diff --git a/.travis.yml b/.travis.yml index c187c27123..ac282d540e 100644 --- a/.travis.yml +++ b/.travis.yml @@ -47,38 +47,27 @@ jobs: env: - BUILD_PARITY=odd - - name: "Debug (1)" + - name: "Debug IPv6 (1)" stage: build - script: $TRAVIS_BUILD_DIR/tests/debug.sh + script: $TRAVIS_BUILD_DIR/tests/debug6.sh env: - BUILD_PARITY=even - - name: "Debug (2)" + - name: "Debug IPv6 (2)" stage: build - script: $TRAVIS_BUILD_DIR/tests/debug.sh + script: $TRAVIS_BUILD_DIR/tests/debug6.sh env: - BUILD_PARITY=odd - - name: "Build IPv6 (1)" - stage: build - script: $TRAVIS_BUILD_DIR/tests/build6.sh - env: - - BUILD_PARITY=even - - name: "Build IPv6 (2)" - stage: build - script: $TRAVIS_BUILD_DIR/tests/build6.sh - env: - - BUILD_PARITY=odd - - - name: "Build lwIP-v1.4 (1)" - stage: build - script: $TRAVIS_BUILD_DIR/tests/build1.sh - env: - - BUILD_PARITY=even - - name: "Build lwIP-v1.4 (2)" - stage: build - script: $TRAVIS_BUILD_DIR/tests/build1.sh - env: - - BUILD_PARITY=odd +# - name: "Build IPv6 (1)" +# stage: build +# script: $TRAVIS_BUILD_DIR/tests/build6.sh +# env: +# - BUILD_PARITY=even +# - name: "Build IPv6 (2)" +# stage: build +# script: $TRAVIS_BUILD_DIR/tests/build6.sh +# env: +# - BUILD_PARITY=odd - name: "Mac OSX can build sketches" os: osx diff --git a/boards.txt b/boards.txt index 19a22b5dba..ba4c7e6e04 100644 --- a/boards.txt +++ b/boards.txt @@ -413,13 +413,6 @@ generic.menu.ip.hb6f=v2 IPv6 Higher Bandwidth generic.menu.ip.hb6f.build.lwip_include=lwip2/include generic.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat generic.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -generic.menu.ip.hb1=v1.4 Higher Bandwidth -generic.menu.ip.hb1.build.lwip_lib=-llwip_gcc -generic.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -generic.menu.ip.src=v1.4 Compile from source -generic.menu.ip.src.build.lwip_lib=-llwip_src -generic.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -generic.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" generic.menu.dbg.Disabled=Disabled generic.menu.dbg.Disabled.build.debug_port= generic.menu.dbg.Serial=Serial @@ -749,13 +742,6 @@ esp8285.menu.ip.hb6f=v2 IPv6 Higher Bandwidth esp8285.menu.ip.hb6f.build.lwip_include=lwip2/include esp8285.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat esp8285.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -esp8285.menu.ip.hb1=v1.4 Higher Bandwidth -esp8285.menu.ip.hb1.build.lwip_lib=-llwip_gcc -esp8285.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -esp8285.menu.ip.src=v1.4 Compile from source -esp8285.menu.ip.src.build.lwip_lib=-llwip_src -esp8285.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -esp8285.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" esp8285.menu.dbg.Disabled=Disabled esp8285.menu.dbg.Disabled.build.debug_port= esp8285.menu.dbg.Serial=Serial @@ -954,13 +940,6 @@ espduino.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espduino.menu.ip.hb6f.build.lwip_include=lwip2/include espduino.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espduino.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espduino.menu.ip.hb1=v1.4 Higher Bandwidth -espduino.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espduino.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espduino.menu.ip.src=v1.4 Compile from source -espduino.menu.ip.src.build.lwip_lib=-llwip_src -espduino.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espduino.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espduino.menu.dbg.Disabled=Disabled espduino.menu.dbg.Disabled.build.debug_port= espduino.menu.dbg.Serial=Serial @@ -1151,13 +1130,6 @@ huzzah.menu.ip.hb6f=v2 IPv6 Higher Bandwidth huzzah.menu.ip.hb6f.build.lwip_include=lwip2/include huzzah.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat huzzah.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -huzzah.menu.ip.hb1=v1.4 Higher Bandwidth -huzzah.menu.ip.hb1.build.lwip_lib=-llwip_gcc -huzzah.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -huzzah.menu.ip.src=v1.4 Compile from source -huzzah.menu.ip.src.build.lwip_lib=-llwip_src -huzzah.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -huzzah.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" huzzah.menu.dbg.Disabled=Disabled huzzah.menu.dbg.Disabled.build.debug_port= huzzah.menu.dbg.Serial=Serial @@ -1348,13 +1320,6 @@ inventone.menu.ip.hb6f=v2 IPv6 Higher Bandwidth inventone.menu.ip.hb6f.build.lwip_include=lwip2/include inventone.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat inventone.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -inventone.menu.ip.hb1=v1.4 Higher Bandwidth -inventone.menu.ip.hb1.build.lwip_lib=-llwip_gcc -inventone.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -inventone.menu.ip.src=v1.4 Compile from source -inventone.menu.ip.src.build.lwip_lib=-llwip_src -inventone.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -inventone.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" inventone.menu.dbg.Disabled=Disabled inventone.menu.dbg.Disabled.build.debug_port= inventone.menu.dbg.Serial=Serial @@ -1548,13 +1513,6 @@ cw01.menu.ip.hb6f=v2 IPv6 Higher Bandwidth cw01.menu.ip.hb6f.build.lwip_include=lwip2/include cw01.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat cw01.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -cw01.menu.ip.hb1=v1.4 Higher Bandwidth -cw01.menu.ip.hb1.build.lwip_lib=-llwip_gcc -cw01.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -cw01.menu.ip.src=v1.4 Compile from source -cw01.menu.ip.src.build.lwip_lib=-llwip_src -cw01.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -cw01.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" cw01.menu.dbg.Disabled=Disabled cw01.menu.dbg.Disabled.build.debug_port= cw01.menu.dbg.Serial=Serial @@ -1748,13 +1706,6 @@ espresso_lite_v1.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espresso_lite_v1.menu.ip.hb6f.build.lwip_include=lwip2/include espresso_lite_v1.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espresso_lite_v1.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espresso_lite_v1.menu.ip.hb1=v1.4 Higher Bandwidth -espresso_lite_v1.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espresso_lite_v1.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espresso_lite_v1.menu.ip.src=v1.4 Compile from source -espresso_lite_v1.menu.ip.src.build.lwip_lib=-llwip_src -espresso_lite_v1.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espresso_lite_v1.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espresso_lite_v1.menu.dbg.Disabled=Disabled espresso_lite_v1.menu.dbg.Disabled.build.debug_port= espresso_lite_v1.menu.dbg.Serial=Serial @@ -1948,13 +1899,6 @@ espresso_lite_v2.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espresso_lite_v2.menu.ip.hb6f.build.lwip_include=lwip2/include espresso_lite_v2.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espresso_lite_v2.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espresso_lite_v2.menu.ip.hb1=v1.4 Higher Bandwidth -espresso_lite_v2.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espresso_lite_v2.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espresso_lite_v2.menu.ip.src=v1.4 Compile from source -espresso_lite_v2.menu.ip.src.build.lwip_lib=-llwip_src -espresso_lite_v2.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espresso_lite_v2.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espresso_lite_v2.menu.dbg.Disabled=Disabled espresso_lite_v2.menu.dbg.Disabled.build.debug_port= espresso_lite_v2.menu.dbg.Serial=Serial @@ -2148,13 +2092,6 @@ phoenix_v1.menu.ip.hb6f=v2 IPv6 Higher Bandwidth phoenix_v1.menu.ip.hb6f.build.lwip_include=lwip2/include phoenix_v1.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat phoenix_v1.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -phoenix_v1.menu.ip.hb1=v1.4 Higher Bandwidth -phoenix_v1.menu.ip.hb1.build.lwip_lib=-llwip_gcc -phoenix_v1.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -phoenix_v1.menu.ip.src=v1.4 Compile from source -phoenix_v1.menu.ip.src.build.lwip_lib=-llwip_src -phoenix_v1.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -phoenix_v1.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" phoenix_v1.menu.dbg.Disabled=Disabled phoenix_v1.menu.dbg.Disabled.build.debug_port= phoenix_v1.menu.dbg.Serial=Serial @@ -2348,13 +2285,6 @@ phoenix_v2.menu.ip.hb6f=v2 IPv6 Higher Bandwidth phoenix_v2.menu.ip.hb6f.build.lwip_include=lwip2/include phoenix_v2.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat phoenix_v2.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -phoenix_v2.menu.ip.hb1=v1.4 Higher Bandwidth -phoenix_v2.menu.ip.hb1.build.lwip_lib=-llwip_gcc -phoenix_v2.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -phoenix_v2.menu.ip.src=v1.4 Compile from source -phoenix_v2.menu.ip.src.build.lwip_lib=-llwip_src -phoenix_v2.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -phoenix_v2.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" phoenix_v2.menu.dbg.Disabled=Disabled phoenix_v2.menu.dbg.Disabled.build.debug_port= phoenix_v2.menu.dbg.Serial=Serial @@ -2545,13 +2475,6 @@ nodemcu.menu.ip.hb6f=v2 IPv6 Higher Bandwidth nodemcu.menu.ip.hb6f.build.lwip_include=lwip2/include nodemcu.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat nodemcu.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -nodemcu.menu.ip.hb1=v1.4 Higher Bandwidth -nodemcu.menu.ip.hb1.build.lwip_lib=-llwip_gcc -nodemcu.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -nodemcu.menu.ip.src=v1.4 Compile from source -nodemcu.menu.ip.src.build.lwip_lib=-llwip_src -nodemcu.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -nodemcu.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" nodemcu.menu.dbg.Disabled=Disabled nodemcu.menu.dbg.Disabled.build.debug_port= nodemcu.menu.dbg.Serial=Serial @@ -2746,13 +2669,6 @@ nodemcuv2.menu.ip.hb6f=v2 IPv6 Higher Bandwidth nodemcuv2.menu.ip.hb6f.build.lwip_include=lwip2/include nodemcuv2.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat nodemcuv2.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -nodemcuv2.menu.ip.hb1=v1.4 Higher Bandwidth -nodemcuv2.menu.ip.hb1.build.lwip_lib=-llwip_gcc -nodemcuv2.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -nodemcuv2.menu.ip.src=v1.4 Compile from source -nodemcuv2.menu.ip.src.build.lwip_lib=-llwip_src -nodemcuv2.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -nodemcuv2.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" nodemcuv2.menu.dbg.Disabled=Disabled nodemcuv2.menu.dbg.Disabled.build.debug_port= nodemcuv2.menu.dbg.Serial=Serial @@ -2963,13 +2879,6 @@ modwifi.menu.ip.hb6f=v2 IPv6 Higher Bandwidth modwifi.menu.ip.hb6f.build.lwip_include=lwip2/include modwifi.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat modwifi.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -modwifi.menu.ip.hb1=v1.4 Higher Bandwidth -modwifi.menu.ip.hb1.build.lwip_lib=-llwip_gcc -modwifi.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -modwifi.menu.ip.src=v1.4 Compile from source -modwifi.menu.ip.src.build.lwip_lib=-llwip_src -modwifi.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -modwifi.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" modwifi.menu.dbg.Disabled=Disabled modwifi.menu.dbg.Disabled.build.debug_port= modwifi.menu.dbg.Serial=Serial @@ -3160,13 +3069,6 @@ thing.menu.ip.hb6f=v2 IPv6 Higher Bandwidth thing.menu.ip.hb6f.build.lwip_include=lwip2/include thing.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat thing.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -thing.menu.ip.hb1=v1.4 Higher Bandwidth -thing.menu.ip.hb1.build.lwip_lib=-llwip_gcc -thing.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -thing.menu.ip.src=v1.4 Compile from source -thing.menu.ip.src.build.lwip_lib=-llwip_src -thing.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -thing.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" thing.menu.dbg.Disabled=Disabled thing.menu.dbg.Disabled.build.debug_port= thing.menu.dbg.Serial=Serial @@ -3357,13 +3259,6 @@ thingdev.menu.ip.hb6f=v2 IPv6 Higher Bandwidth thingdev.menu.ip.hb6f.build.lwip_include=lwip2/include thingdev.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat thingdev.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -thingdev.menu.ip.hb1=v1.4 Higher Bandwidth -thingdev.menu.ip.hb1.build.lwip_lib=-llwip_gcc -thingdev.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -thingdev.menu.ip.src=v1.4 Compile from source -thingdev.menu.ip.src.build.lwip_lib=-llwip_src -thingdev.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -thingdev.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" thingdev.menu.dbg.Disabled=Disabled thingdev.menu.dbg.Disabled.build.debug_port= thingdev.menu.dbg.Serial=Serial @@ -3554,13 +3449,6 @@ blynk.menu.ip.hb6f=v2 IPv6 Higher Bandwidth blynk.menu.ip.hb6f.build.lwip_include=lwip2/include blynk.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat blynk.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -blynk.menu.ip.hb1=v1.4 Higher Bandwidth -blynk.menu.ip.hb1.build.lwip_lib=-llwip_gcc -blynk.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -blynk.menu.ip.src=v1.4 Compile from source -blynk.menu.ip.src.build.lwip_lib=-llwip_src -blynk.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -blynk.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" blynk.menu.dbg.Disabled=Disabled blynk.menu.dbg.Disabled.build.debug_port= blynk.menu.dbg.Serial=Serial @@ -3751,13 +3639,6 @@ esp210.menu.ip.hb6f=v2 IPv6 Higher Bandwidth esp210.menu.ip.hb6f.build.lwip_include=lwip2/include esp210.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat esp210.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -esp210.menu.ip.hb1=v1.4 Higher Bandwidth -esp210.menu.ip.hb1.build.lwip_lib=-llwip_gcc -esp210.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -esp210.menu.ip.src=v1.4 Compile from source -esp210.menu.ip.src.build.lwip_lib=-llwip_src -esp210.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -esp210.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" esp210.menu.dbg.Disabled=Disabled esp210.menu.dbg.Disabled.build.debug_port= esp210.menu.dbg.Serial=Serial @@ -3948,13 +3829,6 @@ d1_mini.menu.ip.hb6f=v2 IPv6 Higher Bandwidth d1_mini.menu.ip.hb6f.build.lwip_include=lwip2/include d1_mini.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat d1_mini.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -d1_mini.menu.ip.hb1=v1.4 Higher Bandwidth -d1_mini.menu.ip.hb1.build.lwip_lib=-llwip_gcc -d1_mini.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini.menu.ip.src=v1.4 Compile from source -d1_mini.menu.ip.src.build.lwip_lib=-llwip_src -d1_mini.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" d1_mini.menu.dbg.Disabled=Disabled d1_mini.menu.dbg.Disabled.build.debug_port= d1_mini.menu.dbg.Serial=Serial @@ -4128,13 +4002,6 @@ d1_mini_pro.menu.ip.hb6f=v2 IPv6 Higher Bandwidth d1_mini_pro.menu.ip.hb6f.build.lwip_include=lwip2/include d1_mini_pro.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat d1_mini_pro.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -d1_mini_pro.menu.ip.hb1=v1.4 Higher Bandwidth -d1_mini_pro.menu.ip.hb1.build.lwip_lib=-llwip_gcc -d1_mini_pro.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini_pro.menu.ip.src=v1.4 Compile from source -d1_mini_pro.menu.ip.src.build.lwip_lib=-llwip_src -d1_mini_pro.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini_pro.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" d1_mini_pro.menu.dbg.Disabled=Disabled d1_mini_pro.menu.dbg.Disabled.build.debug_port= d1_mini_pro.menu.dbg.Serial=Serial @@ -4365,13 +4232,6 @@ d1_mini_lite.menu.ip.hb6f=v2 IPv6 Higher Bandwidth d1_mini_lite.menu.ip.hb6f.build.lwip_include=lwip2/include d1_mini_lite.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat d1_mini_lite.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -d1_mini_lite.menu.ip.hb1=v1.4 Higher Bandwidth -d1_mini_lite.menu.ip.hb1.build.lwip_lib=-llwip_gcc -d1_mini_lite.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini_lite.menu.ip.src=v1.4 Compile from source -d1_mini_lite.menu.ip.src.build.lwip_lib=-llwip_src -d1_mini_lite.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -d1_mini_lite.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" d1_mini_lite.menu.dbg.Disabled=Disabled d1_mini_lite.menu.dbg.Disabled.build.debug_port= d1_mini_lite.menu.dbg.Serial=Serial @@ -4562,13 +4422,6 @@ d1.menu.ip.hb6f=v2 IPv6 Higher Bandwidth d1.menu.ip.hb6f.build.lwip_include=lwip2/include d1.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat d1.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -d1.menu.ip.hb1=v1.4 Higher Bandwidth -d1.menu.ip.hb1.build.lwip_lib=-llwip_gcc -d1.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -d1.menu.ip.src=v1.4 Compile from source -d1.menu.ip.src.build.lwip_lib=-llwip_src -d1.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -d1.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" d1.menu.dbg.Disabled=Disabled d1.menu.dbg.Disabled.build.debug_port= d1.menu.dbg.Serial=Serial @@ -4762,13 +4615,6 @@ espino.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espino.menu.ip.hb6f.build.lwip_include=lwip2/include espino.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espino.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espino.menu.ip.hb1=v1.4 Higher Bandwidth -espino.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espino.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espino.menu.ip.src=v1.4 Compile from source -espino.menu.ip.src.build.lwip_lib=-llwip_src -espino.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espino.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espino.menu.dbg.Disabled=Disabled espino.menu.dbg.Disabled.build.debug_port= espino.menu.dbg.Serial=Serial @@ -4959,13 +4805,6 @@ espinotee.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espinotee.menu.ip.hb6f.build.lwip_include=lwip2/include espinotee.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espinotee.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espinotee.menu.ip.hb1=v1.4 Higher Bandwidth -espinotee.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espinotee.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espinotee.menu.ip.src=v1.4 Compile from source -espinotee.menu.ip.src.build.lwip_lib=-llwip_src -espinotee.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espinotee.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espinotee.menu.dbg.Disabled=Disabled espinotee.menu.dbg.Disabled.build.debug_port= espinotee.menu.dbg.Serial=Serial @@ -5220,13 +5059,6 @@ wifinfo.menu.ip.hb6f=v2 IPv6 Higher Bandwidth wifinfo.menu.ip.hb6f.build.lwip_include=lwip2/include wifinfo.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat wifinfo.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -wifinfo.menu.ip.hb1=v1.4 Higher Bandwidth -wifinfo.menu.ip.hb1.build.lwip_lib=-llwip_gcc -wifinfo.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -wifinfo.menu.ip.src=v1.4 Compile from source -wifinfo.menu.ip.src.build.lwip_lib=-llwip_src -wifinfo.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -wifinfo.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" wifinfo.menu.dbg.Disabled=Disabled wifinfo.menu.dbg.Disabled.build.debug_port= wifinfo.menu.dbg.Serial=Serial @@ -5429,13 +5261,6 @@ arduino-esp8266.menu.ip.hb6f=v2 IPv6 Higher Bandwidth arduino-esp8266.menu.ip.hb6f.build.lwip_include=lwip2/include arduino-esp8266.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat arduino-esp8266.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -arduino-esp8266.menu.ip.hb1=v1.4 Higher Bandwidth -arduino-esp8266.menu.ip.hb1.build.lwip_lib=-llwip_gcc -arduino-esp8266.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -arduino-esp8266.menu.ip.src=v1.4 Compile from source -arduino-esp8266.menu.ip.src.build.lwip_lib=-llwip_src -arduino-esp8266.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -arduino-esp8266.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" arduino-esp8266.menu.dbg.Disabled=Disabled arduino-esp8266.menu.dbg.Disabled.build.debug_port= arduino-esp8266.menu.dbg.Serial=Serial @@ -5694,13 +5519,6 @@ gen4iod.menu.ip.hb6f=v2 IPv6 Higher Bandwidth gen4iod.menu.ip.hb6f.build.lwip_include=lwip2/include gen4iod.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat gen4iod.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -gen4iod.menu.ip.hb1=v1.4 Higher Bandwidth -gen4iod.menu.ip.hb1.build.lwip_lib=-llwip_gcc -gen4iod.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -gen4iod.menu.ip.src=v1.4 Compile from source -gen4iod.menu.ip.src.build.lwip_lib=-llwip_src -gen4iod.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -gen4iod.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" gen4iod.menu.dbg.Disabled=Disabled gen4iod.menu.dbg.Disabled.build.debug_port= gen4iod.menu.dbg.Serial=Serial @@ -5892,13 +5710,6 @@ oak.menu.ip.hb6f=v2 IPv6 Higher Bandwidth oak.menu.ip.hb6f.build.lwip_include=lwip2/include oak.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat oak.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -oak.menu.ip.hb1=v1.4 Higher Bandwidth -oak.menu.ip.hb1.build.lwip_lib=-llwip_gcc -oak.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -oak.menu.ip.src=v1.4 Compile from source -oak.menu.ip.src.build.lwip_lib=-llwip_src -oak.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -oak.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" oak.menu.dbg.Disabled=Disabled oak.menu.dbg.Disabled.build.debug_port= oak.menu.dbg.Serial=Serial @@ -6089,13 +5900,6 @@ wifiduino.menu.ip.hb6f=v2 IPv6 Higher Bandwidth wifiduino.menu.ip.hb6f.build.lwip_include=lwip2/include wifiduino.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat wifiduino.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -wifiduino.menu.ip.hb1=v1.4 Higher Bandwidth -wifiduino.menu.ip.hb1.build.lwip_lib=-llwip_gcc -wifiduino.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -wifiduino.menu.ip.src=v1.4 Compile from source -wifiduino.menu.ip.src.build.lwip_lib=-llwip_src -wifiduino.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -wifiduino.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" wifiduino.menu.dbg.Disabled=Disabled wifiduino.menu.dbg.Disabled.build.debug_port= wifiduino.menu.dbg.Serial=Serial @@ -6400,13 +6204,6 @@ wifi_slot.menu.ip.hb6f=v2 IPv6 Higher Bandwidth wifi_slot.menu.ip.hb6f.build.lwip_include=lwip2/include wifi_slot.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat wifi_slot.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -wifi_slot.menu.ip.hb1=v1.4 Higher Bandwidth -wifi_slot.menu.ip.hb1.build.lwip_lib=-llwip_gcc -wifi_slot.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -wifi_slot.menu.ip.src=v1.4 Compile from source -wifi_slot.menu.ip.src.build.lwip_lib=-llwip_src -wifi_slot.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -wifi_slot.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" wifi_slot.menu.dbg.Disabled=Disabled wifi_slot.menu.dbg.Disabled.build.debug_port= wifi_slot.menu.dbg.Serial=Serial @@ -6597,13 +6394,6 @@ wiolink.menu.ip.hb6f=v2 IPv6 Higher Bandwidth wiolink.menu.ip.hb6f.build.lwip_include=lwip2/include wiolink.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat wiolink.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -wiolink.menu.ip.hb1=v1.4 Higher Bandwidth -wiolink.menu.ip.hb1.build.lwip_lib=-llwip_gcc -wiolink.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -wiolink.menu.ip.src=v1.4 Compile from source -wiolink.menu.ip.src.build.lwip_lib=-llwip_src -wiolink.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -wiolink.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" wiolink.menu.dbg.Disabled=Disabled wiolink.menu.dbg.Disabled.build.debug_port= wiolink.menu.dbg.Serial=Serial @@ -6794,13 +6584,6 @@ espectro.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espectro.menu.ip.hb6f.build.lwip_include=lwip2/include espectro.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espectro.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espectro.menu.ip.hb1=v1.4 Higher Bandwidth -espectro.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espectro.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espectro.menu.ip.src=v1.4 Compile from source -espectro.menu.ip.src.build.lwip_lib=-llwip_src -espectro.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espectro.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espectro.menu.dbg.Disabled=Disabled espectro.menu.dbg.Disabled.build.debug_port= espectro.menu.dbg.Serial=Serial @@ -6991,13 +6774,6 @@ eduinowifi.menu.ip.hb6f=v2 IPv6 Higher Bandwidth eduinowifi.menu.ip.hb6f.build.lwip_include=lwip2/include eduinowifi.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat eduinowifi.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -eduinowifi.menu.ip.hb1=v1.4 Higher Bandwidth -eduinowifi.menu.ip.hb1.build.lwip_lib=-llwip_gcc -eduinowifi.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -eduinowifi.menu.ip.src=v1.4 Compile from source -eduinowifi.menu.ip.src.build.lwip_lib=-llwip_src -eduinowifi.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -eduinowifi.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" eduinowifi.menu.dbg.Disabled=Disabled eduinowifi.menu.dbg.Disabled.build.debug_port= eduinowifi.menu.dbg.Serial=Serial @@ -7238,13 +7014,6 @@ sonoff.menu.ip.hb6f=v2 IPv6 Higher Bandwidth sonoff.menu.ip.hb6f.build.lwip_include=lwip2/include sonoff.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat sonoff.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -sonoff.menu.ip.hb1=v1.4 Higher Bandwidth -sonoff.menu.ip.hb1.build.lwip_lib=-llwip_gcc -sonoff.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -sonoff.menu.ip.src=v1.4 Compile from source -sonoff.menu.ip.src.build.lwip_lib=-llwip_src -sonoff.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -sonoff.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" sonoff.menu.dbg.Disabled=Disabled sonoff.menu.dbg.Disabled.build.debug_port= sonoff.menu.dbg.Serial=Serial @@ -7476,13 +7245,6 @@ espmxdevkit.menu.ip.hb6f=v2 IPv6 Higher Bandwidth espmxdevkit.menu.ip.hb6f.build.lwip_include=lwip2/include espmxdevkit.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat espmxdevkit.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1 -espmxdevkit.menu.ip.hb1=v1.4 Higher Bandwidth -espmxdevkit.menu.ip.hb1.build.lwip_lib=-llwip_gcc -espmxdevkit.menu.ip.hb1.build.lwip_flags=-DLWIP_OPEN_SRC -espmxdevkit.menu.ip.src=v1.4 Compile from source -espmxdevkit.menu.ip.src.build.lwip_lib=-llwip_src -espmxdevkit.menu.ip.src.build.lwip_flags=-DLWIP_OPEN_SRC -espmxdevkit.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern=make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-" espmxdevkit.menu.dbg.Disabled=Disabled espmxdevkit.menu.dbg.Disabled.build.debug_port= espmxdevkit.menu.dbg.Serial=Serial diff --git a/cores/esp8266/AddrList.h b/cores/esp8266/AddrList.h index f7adc3d700..33d1f78eb1 100644 --- a/cores/esp8266/AddrList.h +++ b/cores/esp8266/AddrList.h @@ -128,7 +128,7 @@ struct netifWrapper const char* ifmac () const { return (const char*)_netif->hwaddr; } int ifnumber () const { return _netif->num; } bool ifUp () const { return !!(_netif->flags & NETIF_FLAG_UP); } - CONST netif* interface () const { return _netif; } + const netif* interface () const { return _netif; } const ip_addr_t* ipFromNetifNum () const { diff --git a/cores/esp8266/Client.h b/cores/esp8266/Client.h index 6cb99a04b6..ed0f0f8026 100644 --- a/cores/esp8266/Client.h +++ b/cores/esp8266/Client.h @@ -42,11 +42,9 @@ class Client: public Stream { uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); } -#if LWIP_VERSION_MAJOR != 1 const uint8_t* rawIPAddress(const IPAddress& addr) { return addr.raw_address(); } -#endif }; #endif diff --git a/cores/esp8266/Esp-version.cpp b/cores/esp8266/Esp-version.cpp index f92aa2a54f..c1ff61eb06 100644 --- a/cores/esp8266/Esp-version.cpp +++ b/cores/esp8266/Esp-version.cpp @@ -21,7 +21,6 @@ #include #include #include -#include // LWIP_VERSION_* #include // LWIP_HASH_STR (lwip2) #include // BEARSSL_GIT short hash @@ -29,13 +28,11 @@ #define STR(x) STRHELPER(x) // stringifier static const char arduino_esp8266_git_ver [] PROGMEM = "/Core:" STR(ARDUINO_ESP8266_GIT_DESC) "="; -#if LWIP_VERSION_MAJOR > 1 #if LWIP_IPV6 static const char lwip_version [] PROGMEM = "/lwIP:IPv6+" LWIP_HASH_STR; #else static const char lwip_version [] PROGMEM = "/lwIP:" LWIP_HASH_STR; #endif -#endif static const char bearssl_version [] PROGMEM = "/BearSSL:" STR(BEARSSL_GIT); String EspClass::getFullVersion() { @@ -45,23 +42,7 @@ String EspClass::getFullVersion() { s += system_get_sdk_version(); s += FPSTR(arduino_esp8266_git_ver); s += String(esp8266::coreVersionNumeric()); -#if LWIP_VERSION_MAJOR == 1 - s += F("/lwIP:"); - s += LWIP_VERSION_MAJOR; - s += '.'; - s += LWIP_VERSION_MINOR; - s += '.'; - s += LWIP_VERSION_REVISION; -#if LWIP_VERSION_IS_DEVELOPMENT - s += F("-dev"); -#endif -#if LWIP_VERSION_IS_RC - s += F("rc"); - s += String(LWIP_VERSION_RC); -#endif -#else // LWIP_VERSION_MAJOR != 1 s += FPSTR(lwip_version); -#endif // LWIP_VERSION_MAJOR != 1 s += FPSTR(bearssl_version); return s; diff --git a/cores/esp8266/IPAddress.cpp b/cores/esp8266/IPAddress.cpp index d121ba6e53..940f5c14d9 100644 --- a/cores/esp8266/IPAddress.cpp +++ b/cores/esp8266/IPAddress.cpp @@ -180,7 +180,7 @@ bool IPAddress::isValid(const char* arg) { return IPAddress().fromString(arg); } -CONST IPAddress INADDR_ANY; // generic "0.0.0.0" for IPv4 & IPv6 +const IPAddress INADDR_ANY; // generic "0.0.0.0" for IPv4 & IPv6 const IPAddress INADDR_NONE(255,255,255,255); /**************************************/ diff --git a/cores/esp8266/IPAddress.h b/cores/esp8266/IPAddress.h index cdd4b2499f..d2170017e8 100644 --- a/cores/esp8266/IPAddress.h +++ b/cores/esp8266/IPAddress.h @@ -26,28 +26,11 @@ #include #include +#include -#if LWIP_VERSION_MAJOR == 1 -// compatibility macros to make lwIP-v1 compiling lwIP-v2 API -#define LWIP_IPV6_NUM_ADDRESSES 0 -#define ip_2_ip4(x) (x) -#define ipv4_addr ip_addr -#define ipv4_addr_t ip_addr_t -#define IP_IS_V4_VAL(x) (1) -#define IP_SET_TYPE_VAL(x,y) do { (void)0; } while (0) -#define IP_ANY_TYPE (&ip_addr_any) -#define IP4_ADDR_ANY IPADDR_ANY -#define IP4_ADDR_ANY4 IP_ADDR_ANY -#define IPADDR4_INIT(x) { x } -#define CONST /* nothing: lwIP-v1 does not use const */ -#define ip4_addr_netcmp ip_addr_netcmp -#define netif_dhcp_data(netif) ((netif)->dhcp) -#else // lwIP-v2+ -#define CONST const #if !LWIP_IPV6 struct ip_addr: ipv4_addr { }; #endif // !LWIP_IPV6 -#endif // lwIP-v2+ // A class to make it easier to handle and pass around IP addresses // IPv6 update: @@ -220,7 +203,7 @@ class IPAddress: public Printable { }; -extern CONST IPAddress INADDR_ANY; +extern const IPAddress INADDR_ANY; extern const IPAddress INADDR_NONE; #endif diff --git a/cores/esp8266/Udp.h b/cores/esp8266/Udp.h index de5127b18f..6c8ee4b385 100644 --- a/cores/esp8266/Udp.h +++ b/cores/esp8266/Udp.h @@ -83,14 +83,14 @@ class UDP: public Stream { // Return the port of the host who sent the current incoming packet virtual uint16_t remotePort() =0; protected: + uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); } -#if LWIP_VERSION_MAJOR != 1 + const uint8_t* rawIPAddress(const IPAddress& addr) { return addr.raw_address(); } -#endif }; #endif diff --git a/cores/esp8266/sntp-lwip2.cpp b/cores/esp8266/sntp-lwip2.cpp index cc3d8e853a..8e8549c33c 100644 --- a/cores/esp8266/sntp-lwip2.cpp +++ b/cores/esp8266/sntp-lwip2.cpp @@ -60,44 +60,6 @@ void settimeofday_cb (const TrivialCB& cb) extern "C" { -#if LWIP_VERSION_MAJOR == 1 - -#include - -static const char stod14[] PROGMEM = "settimeofday() can't set time!\n"; -bool sntp_set_timezone(sint8 timezone); -bool sntp_set_timezone_in_seconds(int32_t timezone) -{ - return sntp_set_timezone((sint8)(timezone/(60*60))); //TODO: move this to the same file as sntp_set_timezone() in lwip1.4, and implement correctly over there. -} - -void sntp_set_daylight(int daylight); - -int settimeofday(const struct timeval* tv, const struct timezone* tz) -{ - if (tz) /*before*/ - { - sntp_set_timezone_in_seconds(tz->tz_minuteswest * 60); - // apparently tz->tz_dsttime is a bitfield and should not be further used (cf man) - sntp_set_daylight(0); - } - if (tv) /* after*/ - { - // can't call lwip1.4's static sntp_set_system_time() - os_printf(stod14); - - // reset time subsystem - timeshift64_is_set = false; - - return -1; - } - return 0; -} - -#endif // lwip 1.4 only - -#if LWIP_VERSION_MAJOR == 2 - #include uint32_t sntp_real_timestamp = 0; @@ -128,6 +90,4 @@ int settimeofday(const struct timeval* tv, const struct timezone* tz) return 0; } -#endif // lwip2 only - }; diff --git a/cores/esp8266/time.cpp b/cores/esp8266/time.cpp index ae5a187651..8940fc5d20 100644 --- a/cores/esp8266/time.cpp +++ b/cores/esp8266/time.cpp @@ -73,13 +73,6 @@ int clock_gettime(clockid_t unused, struct timespec *tp) return 0; } -#if LWIP_VERSION_MAJOR == 1 -// hack for espressif time management included in patched lwIP-1.4 -#define sntp_real_timestamp sntp_get_current_timestamp() -#endif - -#if LWIP_VERSION_MAJOR != 1 - // backport Espressif api bool sntp_set_timezone_in_seconds (int32_t timezone_sec) @@ -103,8 +96,6 @@ uint32 sntp_get_current_timestamp() return sntp_real_timestamp; } -#endif - time_t time(time_t * t) { if (t) diff --git a/doc/faq/a05-board-generator.rst b/doc/faq/a05-board-generator.rst index 56adf273a9..1e260fa3c3 100644 --- a/doc/faq/a05-board-generator.rst +++ b/doc/faq/a05-board-generator.rst @@ -52,8 +52,6 @@ As of today you can: * change led pin ``LED_BUILTIN`` for the two generic boards -* change the default lwIP version (1.4 or 2) - * create an abridged boards.txt file diff --git a/doc/faq/readme.rst b/doc/faq/readme.rst index e4ff8cb79a..cbfbdb270a 100644 --- a/doc/faq/readme.rst +++ b/doc/faq/readme.rst @@ -129,8 +129,7 @@ This is not needed anymore: PCBs in time-wait state are limited to 5 and removed when that number is exceeded. -Ref. `lwIP-v1.4 `__, -`lwIP-v2 `__ +Ref. ``__ For reference: @@ -139,8 +138,6 @@ same (s-ip,s-port,d-ip,d-port) when the first is already closed but still having duplicate packets lost in internet arriving later during the second. Artificially clearing them is a workaround to help saving precious heap. -The following lines are compatible with both lwIP versions: - .. code:: cpp // no need for #include diff --git a/libraries/ESP8266NetBIOS/ESP8266NetBIOS.cpp b/libraries/ESP8266NetBIOS/ESP8266NetBIOS.cpp index 557c1117ca..1219cfb32a 100644 --- a/libraries/ESP8266NetBIOS/ESP8266NetBIOS.cpp +++ b/libraries/ESP8266NetBIOS/ESP8266NetBIOS.cpp @@ -172,7 +172,7 @@ void ESP8266NetBIOS::end() } } -void ESP8266NetBIOS::_recv(udp_pcb *upcb, pbuf *pb, CONST ip_addr_t *addr, uint16_t port) +void ESP8266NetBIOS::_recv(udp_pcb *upcb, pbuf *pb, const ip_addr_t *addr, uint16_t port) { (void)upcb; (void)addr; @@ -180,13 +180,8 @@ void ESP8266NetBIOS::_recv(udp_pcb *upcb, pbuf *pb, CONST ip_addr_t *addr, uint1 while(pb != NULL) { uint8_t * data = (uint8_t*)((pb)->payload); size_t len = pb->len; -#if LWIP_VERSION_MAJOR == 1 - // check UdpContext.h - ip_addr_t* saddr = ¤t_iphdr_src; -#else // check UdpContext.h const ip_addr_t* saddr = &ip_data.current_iphdr_src; -#endif if (len >= sizeof(struct NBNSQUESTION)) { struct NBNSQUESTION * question = (struct NBNSQUESTION *)data; @@ -267,7 +262,7 @@ void ESP8266NetBIOS::_recv(udp_pcb *upcb, pbuf *pb, CONST ip_addr_t *addr, uint1 } } -void ESP8266NetBIOS::_s_recv(void *arg, udp_pcb *upcb, pbuf *p, CONST ip_addr_t *addr, uint16_t port) +void ESP8266NetBIOS::_s_recv(void *arg, udp_pcb *upcb, pbuf *p, const ip_addr_t *addr, uint16_t port) { reinterpret_cast(arg)->_recv(upcb, p, addr, port); } diff --git a/libraries/ESP8266NetBIOS/ESP8266NetBIOS.h b/libraries/ESP8266NetBIOS/ESP8266NetBIOS.h index 1ce8f79ccb..10f498a8cc 100644 --- a/libraries/ESP8266NetBIOS/ESP8266NetBIOS.h +++ b/libraries/ESP8266NetBIOS/ESP8266NetBIOS.h @@ -3,7 +3,6 @@ #define __ESPNBNS_h__ extern "C" { -#include "lwip/init.h" // LWIP_VERSION_ #include } #include @@ -28,8 +27,8 @@ class ESP8266NetBIOS void _getnbname(char *nbname, char *name, uint8_t maxlen); void _makenbname(char *name, char *nbname, uint8_t outlen); - void _recv(udp_pcb *upcb, pbuf *pb, CONST ip_addr_t *addr, uint16_t port); - static void _s_recv(void *arg, udp_pcb *upcb, pbuf *p, CONST ip_addr_t *addr, uint16_t port); + void _recv(udp_pcb *upcb, pbuf *pb, const ip_addr_t *addr, uint16_t port); + static void _s_recv(void *arg, udp_pcb *upcb, pbuf *p, const ip_addr_t *addr, uint16_t port); public: ESP8266NetBIOS(); diff --git a/libraries/ESP8266WiFi/examples/StaticLease/StaticLease.ino b/libraries/ESP8266WiFi/examples/StaticLease/StaticLease.ino index fa183d0fbe..4beaabe2b6 100644 --- a/libraries/ESP8266WiFi/examples/StaticLease/StaticLease.ino +++ b/libraries/ESP8266WiFi/examples/StaticLease/StaticLease.ino @@ -1,18 +1,4 @@ -#include - -#if LWIP_VERSION_MAJOR == 1 - -void setup() { - Serial.begin(115200); - Serial.println("wifi_softap_add_dhcps_lease() is not implemented with lwIP-v1"); -} - -void loop() { -} - -#else - /* Create a WiFi access point and provide static lease */ #include @@ -104,5 +90,3 @@ void setup() { void loop() { server.handleClient(); } - -#endif // lwIP-v2 diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp index 41d771fb6a..e026ea760a 100644 --- a/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp +++ b/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp @@ -41,12 +41,7 @@ extern "C" { #include "lwip/err.h" #include "lwip/dns.h" #include "lwip/dhcp.h" -#include "lwip/init.h" // LWIP_VERSION_ -#if LWIP_VERSION_MAJOR == 1 -#include "lwip/sntp.h" -#else #include "lwip/apps/sntp.h" -#endif } #include "WiFiClient.h" @@ -588,7 +583,7 @@ bool ESP8266WiFiGenericClass::isSleepLevelMax () { // ------------------------------------------------ Generic Network function --------------------------------------------- // ----------------------------------------------------------------------------------------------------------------------- -void wifi_dns_found_callback(const char *name, CONST ip_addr_t *ipaddr, void *callback_arg); +void wifi_dns_found_callback(const char *name, const ip_addr_t *ipaddr, void *callback_arg); static bool _dns_lookup_pending = false; @@ -701,7 +696,7 @@ int ESP8266WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResul * @param ipaddr * @param callback_arg */ -void wifi_dns_found_callback(const char *name, CONST ip_addr_t *ipaddr, void *callback_arg) +void wifi_dns_found_callback(const char *name, const ip_addr_t *ipaddr, void *callback_arg) { (void) name; if (!_dns_lookup_pending) { @@ -770,11 +765,7 @@ bool ESP8266WiFiGenericClass::shutdown (uint32 sleepUs, WiFiState* state) uint8_t i = 0; for (auto& ntp: state->state.ntp) { -#if LWIP_VERSION_MAJOR == 1 - ntp = sntp_getserver(i++); -#else ntp = *sntp_getserver(i++); -#endif } i = 0; for (auto& dns: state->state.dns) @@ -814,7 +805,7 @@ bool ESP8266WiFiGenericClass::resumeFromShutdown (WiFiState* state) DEBUG_WIFI("core: resume: static address '%s'\n", local.toString().c_str()); WiFi.config(state->state.ip.ip, state->state.ip.gw, state->state.ip.netmask, state->state.dns[0], state->state.dns[1]); uint8_t i = 0; - for (CONST auto& ntp: state->state.ntp) + for (const auto& ntp: state->state.ntp) { IPAddress ip(ntp); if (ip.isSet()) diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp index 1ba3f862b5..089b8289da 100644 --- a/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp +++ b/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp @@ -19,14 +19,7 @@ extern "C" { -#include "lwip/init.h" // LWIP_VERSION_* -#if LWIP_VERSION_MAJOR == 1 -#include "netif/wlan_lwip_if.h" // eagle_lwip_getif() -#include "netif/etharp.h" // gratuitous arp -#include "user_interface.h" -#else #include "lwip/etharp.h" // gratuitous arp -#endif } // extern "C" #include @@ -44,14 +37,8 @@ void ESP8266WiFiGratuitous::stationKeepAliveNow () if ( (interface->flags & NETIF_FLAG_LINK_UP) && (interface->flags & NETIF_FLAG_UP) -#if LWIP_VERSION_MAJOR == 1 - && interface == eagle_lwip_getif(STATION_IF) /* lwip1 does not set if->num properly */ - && (!ip_addr_isany(&interface->ip_addr)) -#else && interface->num == STATION_IF - && (!ip4_addr_isany_val(*netif_ip4_addr(interface))) -#endif - ) + && (!ip4_addr_isany_val(*netif_ip4_addr(interface)))) { etharp_gratuitous(interface); break; diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp index 26fb4b9d37..5082dfd88a 100644 --- a/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp +++ b/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp @@ -39,10 +39,6 @@ extern "C" { #include "lwip/err.h" #include "lwip/dns.h" #include "lwip/dhcp.h" -#include "lwip/init.h" // LWIP_VERSION_ -#if LWIP_IPV6 -#include "lwip/netif.h" // struct netif -#endif } #include "debug.h" @@ -249,7 +245,6 @@ wl_status_t ESP8266WiFiSTAClass::begin() { * @param dns2 Static DNS server 2 */ -#if LWIP_VERSION_MAJOR != 1 /* About the following call in the end of ESP8266WiFiSTAClass::config(): netif_set_addr(eagle_lwip_getif(STATION_IF), &info.ip, &info.netmask, &info.gw); @@ -267,7 +262,6 @@ wl_status_t ESP8266WiFiSTAClass::begin() { #undef netif_set_addr // need to call lwIP-v1.4 netif_set_addr() extern "C" struct netif* eagle_lwip_getif (int netif_index); extern "C" void netif_set_addr (struct netif* netif, ip4_addr_t* ip, ip4_addr_t* netmask, ip4_addr_t* gw); -#endif bool ESP8266WiFiSTAClass::config(IPAddress local_ip, IPAddress arg1, IPAddress arg2, IPAddress arg3, IPAddress dns2) { @@ -310,7 +304,7 @@ bool ESP8266WiFiSTAClass::config(IPAddress local_ip, IPAddress arg1, IPAddress a return false; } -#if LWIP_VERSION_MAJOR != 1 && !CORE_MOCK +#if !CORE_MOCK // get current->previous IP address // (check below) struct ip_info previp; @@ -339,7 +333,7 @@ bool ESP8266WiFiSTAClass::config(IPAddress local_ip, IPAddress arg1, IPAddress a dns_setserver(1, dns2); } -#if LWIP_VERSION_MAJOR != 1 && !CORE_MOCK +#if !CORE_MOCK // trigger address change by calling lwIP-v1.4 api // (see explanation above) // only when ip is already set by other mean (generally dhcp) @@ -525,12 +519,7 @@ IPAddress ESP8266WiFiSTAClass::gatewayIP() { * @return IPAddress DNS Server IP */ IPAddress ESP8266WiFiSTAClass::dnsIP(uint8_t dns_no) { -#if LWIP_VERSION_MAJOR == 1 - ip_addr_t dns_ip = dns_getserver(dns_no); - return IPAddress(dns_ip.addr); -#else return IPAddress(dns_getserver(dns_no)); -#endif } @@ -605,11 +594,7 @@ bool ESP8266WiFiSTAClass::hostname(const char* aHostname) { for (netif* intf = netif_list; intf; intf = intf->next) { // unconditionally update all known interfaces -#if LWIP_VERSION_MAJOR == 1 - intf->hostname = (char*)wifi_station_get_hostname(); -#else intf->hostname = wifi_station_get_hostname(); -#endif if (netif_dhcp_data(intf) != nullptr) { // renew already started DHCP leases diff --git a/libraries/ESP8266WiFi/src/WiFiClient.cpp b/libraries/ESP8266WiFi/src/WiFiClient.cpp index abd277229f..1663a29ecb 100644 --- a/libraries/ESP8266WiFi/src/WiFiClient.cpp +++ b/libraries/ESP8266WiFi/src/WiFiClient.cpp @@ -145,17 +145,6 @@ int WiFiClient::connect(IPAddress ip, uint16_t port) _client = nullptr; } -#if LWIP_VERSION_MAJOR == 1 - // if the default interface is down, tcp_connect exits early without - // ever calling tcp_err - // http://lists.gnu.org/archive/html/lwip-devel/2010-05/msg00001.html - netif* interface = ip_route(ip); - if (!interface) { - DEBUGV("no route to host\r\n"); - return 0; - } -#endif - tcp_pcb* pcb = tcp_new(); if (!pcb) return 0; diff --git a/libraries/ESP8266WiFi/src/WiFiServer.cpp b/libraries/ESP8266WiFi/src/WiFiServer.cpp index 0b0de5d42a..2ee09f85fe 100644 --- a/libraries/ESP8266WiFi/src/WiFiServer.cpp +++ b/libraries/ESP8266WiFi/src/WiFiServer.cpp @@ -35,7 +35,6 @@ extern "C" { #include "lwip/opt.h" #include "lwip/tcp.h" #include "lwip/inet.h" -#include "lwip/init.h" // LWIP_VERSION_ #include #ifndef MAX_PENDING_CLIENTS_PER_PORT @@ -85,11 +84,7 @@ void WiFiServer::begin(uint16_t port, uint8_t backlog) { return; } -#if LWIP_VERSION_MAJOR == 1 - tcp_pcb* listen_pcb = tcp_listen(pcb); -#else tcp_pcb* listen_pcb = tcp_listen_with_backlog(pcb, backlog); -#endif if (!listen_pcb) { tcp_close(pcb); @@ -124,12 +119,12 @@ WiFiClient WiFiServer::available(byte* status) { (void) status; if (_unclaimed) { WiFiClient result(_unclaimed); -#if LWIP_VERSION_MAJOR != 1 + // pcb can be null when peer has already closed the connection if (_unclaimed->getPCB()) // give permission to lwIP to accept one more peer tcp_backlog_accepted(_unclaimed->getPCB()); -#endif + _unclaimed = _unclaimed->next(); result.setNoDelay(getNoDelay()); DEBUGV("WS:av status=%d WCav=%d\r\n", result.status(), result.available()); @@ -193,12 +188,6 @@ long WiFiServer::_accept(tcp_pcb* apcb, long err) { // user calls ::available() ClientContext* client = new ClientContext(apcb, &WiFiServer::_s_discard, this); -#if LWIP_VERSION_MAJOR == 1 - - tcp_accepted(_listen_pcb); - -#else - // backlog doc: // http://lwip.100.n7.nabble.com/Problem-re-opening-listening-pbc-tt32484.html#a32494 // https://www.nongnu.org/lwip/2_1_x/group__tcp__raw.html#gaeff14f321d1eecd0431611f382fcd338 @@ -206,8 +195,6 @@ long WiFiServer::_accept(tcp_pcb* apcb, long err) { // increase lwIP's backlog tcp_backlog_delayed(apcb); -#endif - _unclaimed = slist_append_tail(_unclaimed, client); return ERR_OK; diff --git a/libraries/ESP8266WiFi/src/include/UdpContext.h b/libraries/ESP8266WiFi/src/include/UdpContext.h index a81384b2a7..8053748cd9 100644 --- a/libraries/ESP8266WiFi/src/include/UdpContext.h +++ b/libraries/ESP8266WiFi/src/include/UdpContext.h @@ -26,7 +26,6 @@ class UdpContext; extern "C" { void esp_yield(); void esp_schedule(); -#include "lwip/init.h" // LWIP_VERSION_ #include } @@ -92,24 +91,6 @@ class UdpContext } } -#if LWIP_VERSION_MAJOR == 1 - - bool connect(IPAddress addr, uint16_t port) - { - _pcb->remote_ip = addr; - _pcb->remote_port = port; - return true; - } - - bool listen(IPAddress addr, uint16_t port) - { - udp_recv(_pcb, &_s_recv, (void *) this); - err_t err = udp_bind(_pcb, addr, port); - return err == ERR_OK; - } - -#else // lwIP-v2 - bool connect(const IPAddress& addr, uint16_t port) { _pcb->remote_ip = addr; @@ -130,8 +111,6 @@ class UdpContext return err == ERR_OK; } -#endif // lwIP-v2 - void disconnect() { udp_disconnect(_pcb); @@ -166,11 +145,7 @@ class UdpContext void setMulticastInterface(const IPAddress& addr) { -#if LWIP_VERSION_MAJOR == 1 - udp_set_multicast_netif_addr(_pcb, (ip_addr_t)addr); -#else udp_set_multicast_netif_addr(_pcb, ip_2_ip4((const ip_addr_t*)addr)); -#endif } #endif // !LWIP_IPV6 @@ -180,11 +155,7 @@ class UdpContext */ void setMulticastInterface(netif* p_pNetIf) { -#if LWIP_VERSION_MAJOR == 1 - udp_set_multicast_netif_addr(_pcb, (p_pNetIf ? p_pNetIf->ip_addr : ip_addr_any)); -#else udp_set_multicast_netif_index(_pcb, (p_pNetIf ? netif_get_index(p_pNetIf) : NETIF_NO_INDEX)); -#endif } /* @@ -262,7 +233,7 @@ class UdpContext return _currentAddr.input_netif; } - CONST IPAddress& getRemoteAddress() CONST + const IPAddress& getRemoteAddress() const { return _currentAddr.srcaddr; } @@ -419,7 +390,7 @@ class UdpContext return size; } - bool send(CONST ip_addr_t* addr = 0, uint16_t port = 0) + bool send(const ip_addr_t* addr = 0, uint16_t port = 0) { size_t data_size = _tx_buf_offset; pbuf* tx_copy = pbuf_alloc(PBUF_TRANSPORT, data_size, PBUF_RAM); @@ -537,14 +508,6 @@ class UdpContext } } -#if LWIP_VERSION_MAJOR == 1 - #define TEMPDSTADDR (¤t_iphdr_dest) - #define TEMPINPUTNETIF (current_netif) -#else - #define TEMPDSTADDR (ip_current_dest_addr()) - #define TEMPINPUTNETIF (ip_current_input_netif()) -#endif - // chain this helper pbuf first if (_rx_buf) { @@ -570,7 +533,7 @@ class UdpContext return; } // construct in place - new(PBUF_ALIGNER(pb_helper->payload)) AddrHelper(srcaddr, TEMPDSTADDR, srcport, TEMPINPUTNETIF); + new(PBUF_ALIGNER(pb_helper->payload)) AddrHelper(srcaddr, ip_current_dest_addr(), srcport, ip_current_input_netif()); pb_helper->flags = PBUF_HELPER_FLAG; // mark helper pbuf // chain it pbuf_cat(_rx_buf, pb_helper); @@ -582,9 +545,9 @@ class UdpContext else { _currentAddr.srcaddr = srcaddr; - _currentAddr.dstaddr = TEMPDSTADDR; + _currentAddr.dstaddr = ip_current_dest_addr(); _currentAddr.srcport = srcport; - _currentAddr.input_netif = TEMPINPUTNETIF; + _currentAddr.input_netif = ip_current_input_netif(); DEBUGV(":urn %d\r\n", pb->tot_len); _first_buf_taken = false; @@ -597,102 +560,15 @@ class UdpContext _on_rx(); } - #undef TEMPDSTADDR - #undef TEMPINPUTNETIF - } static void _s_recv(void *arg, udp_pcb *upcb, pbuf *p, - CONST ip_addr_t *srcaddr, u16_t srcport) + const ip_addr_t *srcaddr, u16_t srcport) { reinterpret_cast(arg)->_recv(upcb, p, srcaddr, srcport); } -#if LWIP_VERSION_MAJOR == 1 - /* - * Code in this conditional block is copied/backported verbatim from - * LwIP 2.1.2 to provide pbuf_get_contiguous. - */ - - static const struct pbuf * - pbuf_skip_const(const struct pbuf *in, u16_t in_offset, u16_t *out_offset) - { - u16_t offset_left = in_offset; - const struct pbuf *pbuf_it = in; - - /* get the correct pbuf */ - while ((pbuf_it != NULL) && (pbuf_it->len <= offset_left)) { - offset_left = (u16_t)(offset_left - pbuf_it->len); - pbuf_it = pbuf_it->next; - } - if (out_offset != NULL) { - *out_offset = offset_left; - } - return pbuf_it; - } - - u16_t - pbuf_copy_partial(const struct pbuf *buf, void *dataptr, u16_t len, u16_t offset) - { - const struct pbuf *p; - u16_t left = 0; - u16_t buf_copy_len; - u16_t copied_total = 0; - - LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;); - LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;); - - /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */ - for (p = buf; len != 0 && p != NULL; p = p->next) { - if ((offset != 0) && (offset >= p->len)) { - /* don't copy from this buffer -> on to the next */ - offset = (u16_t)(offset - p->len); - } else { - /* copy from this buffer. maybe only partially. */ - buf_copy_len = (u16_t)(p->len - offset); - if (buf_copy_len > len) { - buf_copy_len = len; - } - /* copy the necessary parts of the buffer */ - MEMCPY(&((char *)dataptr)[left], &((char *)p->payload)[offset], buf_copy_len); - copied_total = (u16_t)(copied_total + buf_copy_len); - left = (u16_t)(left + buf_copy_len); - len = (u16_t)(len - buf_copy_len); - offset = 0; - } - } - return copied_total; - } - - void * - pbuf_get_contiguous(const struct pbuf *p, void *buffer, size_t bufsize, u16_t len, u16_t offset) - { - const struct pbuf *q; - u16_t out_offset; - - LWIP_ERROR("pbuf_get_contiguous: invalid buf", (p != NULL), return NULL;); - LWIP_ERROR("pbuf_get_contiguous: invalid dataptr", (buffer != NULL), return NULL;); - LWIP_ERROR("pbuf_get_contiguous: invalid dataptr", (bufsize >= len), return NULL;); - - q = pbuf_skip_const(p, offset, &out_offset); - if (q != NULL) { - if (q->len >= (out_offset + len)) { - /* all data in this pbuf, return zero-copy */ - return (u8_t *)q->payload + out_offset; - } - /* need to copy */ - if (pbuf_copy_partial(q, buffer, len, out_offset) != len) { - /* copying failed: pbuf is too short */ - return NULL; - } - return buffer; - } - /* pbuf is too short (offset does not fit in) */ - return NULL; - } -#endif - private: udp_pcb* _pcb; pbuf* _rx_buf; diff --git a/libraries/ESP8266mDNS/src/LEAmDNS.h b/libraries/ESP8266mDNS/src/LEAmDNS.h index fe02560aec..7dfd333f13 100644 --- a/libraries/ESP8266mDNS/src/LEAmDNS.h +++ b/libraries/ESP8266mDNS/src/LEAmDNS.h @@ -1203,7 +1203,7 @@ class MDNSResponder MDNSDynamicServiceTxtCallbackFunc m_fnServiceTxtCallback; bool m_bPassivModeEnabled; stcProbeInformation m_HostProbeInformation; - CONST netif* m_netif; // network interface to run on + const netif* m_netif; // network interface to run on /** CONTROL **/ /* MAINTENANCE */ diff --git a/libraries/ESP8266mDNS/src/LEAmDNS_lwIPdefs.h b/libraries/ESP8266mDNS/src/LEAmDNS_lwIPdefs.h index a3bcc4b370..3686440f10 100644 --- a/libraries/ESP8266mDNS/src/LEAmDNS_lwIPdefs.h +++ b/libraries/ESP8266mDNS/src/LEAmDNS_lwIPdefs.h @@ -25,20 +25,6 @@ #ifndef MDNS_LWIPDEFS_H #define MDNS_LWIPDEFS_H -#include -#if LWIP_VERSION_MAJOR == 1 - -#include // DNS_RRTYPE_xxx - -// cherry pick from lwip1 dns.c/mdns.c source files: -#define DNS_MQUERY_PORT 5353 -#define DNS_MQUERY_IPV4_GROUP_INIT IPAddress(224,0,0,251) /* resolver1.opendns.com */ -#define DNS_RRCLASS_ANY 255 /* any class */ - -#else // lwIP > 1 - #include // DNS_RRTYPE_xxx, DNS_MQUERY_PORT -#endif - #endif // MDNS_LWIPDEFS_H diff --git a/libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino b/libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino index 3a16efb612..d66833ae24 100644 --- a/libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino +++ b/libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino @@ -140,8 +140,6 @@ void showTime() { Serial.print("ctime: "); Serial.print(ctime(&now)); -#if LWIP_VERSION_MAJOR > 1 - // LwIP v2 is able to list more details about the currently configured SNTP servers for (int i = 0; i < SNTP_MAX_SERVERS; i++) { IPAddress sntp = *sntp_getserver(i); @@ -158,7 +156,6 @@ void showTime() { sntp_getreachability(i)); } } -#endif Serial.println(); } diff --git a/tests/debug.sh b/tests/debug.sh index 9f4aea603a..bbca35ff53 100755 --- a/tests/debug.sh +++ b/tests/debug.sh @@ -16,4 +16,3 @@ install_arduino debug build_sketches_with_arduino "$mod" "$rem" lm2f rm -rf "$cache_dir" - diff --git a/tests/build1.sh b/tests/debug6.sh similarity index 80% rename from tests/build1.sh rename to tests/debug6.sh index df50b4c38d..bf2d4f5197 100755 --- a/tests/build1.sh +++ b/tests/debug6.sh @@ -15,8 +15,8 @@ elif [ "$BUILD_PARITY" = "odd" ]; then rem=1 fi -install_arduino nodebug -build_sketches_with_arduino "$mod" "$rem" hb1 +install_arduino debug +build_sketches_with_arduino "$mod" "$rem" lm6f rm -rf "$cache_dir" diff --git a/tests/run_CI_locally.sh b/tests/run_CI_locally.sh index c079c2a638..6d0a97093f 100755 --- a/tests/run_CI_locally.sh +++ b/tests/run_CI_locally.sh @@ -54,7 +54,6 @@ while true; do Which build? 1. main 2. main + IPv6 -3. main with lwIP-v1.4 4. debug even 5. debug odd 6. platformio @@ -69,7 +68,6 @@ EOF case "$ans" in 1) BUILD_TYPE=build;; 2) BUILD_TYPE=build6;; - 3) BUILD_TYPE=build1;; 4) BUILD_TYPE=debug_even;; 5) BUILD_TYPE=debug_odd;; 6) BUILD_TYPE=platformio;; @@ -106,13 +104,6 @@ elif [ "$BUILD_TYPE" = "build6_even" ]; then elif [ "$BUILD_TYPE" = "build6_odd" ]; then BUILD_PARITY=odd tests/build6.sh -elif [ "$BUILD_TYPE" = "build1" ]; then - tests/build1.sh -elif [ "$BUILD_TYPE" = "build1_even" ]; then - BUILD_PARITY=even tests/build1.sh -elif [ "$BUILD_TYPE" = "build1_odd" ]; then - BUILD_PARITY=odd tests/build1.sh - elif [ "$BUILD_TYPE" = "platformio" ]; then tests/platformio.sh elif [ "$BUILD_TYPE" = "platformio_even" ]; then diff --git a/tools/boards.txt.py b/tools/boards.txt.py index 69793489af..789f75714c 100755 --- a/tools/boards.txt.py +++ b/tools/boards.txt.py @@ -30,7 +30,7 @@ # crystalfreq/flashfreq_menu: menus for crystal/flash frequency selection # flashmode_menu: menus for flashmode selection (dio/dout/qio/qout) # 512K/1M/2M/4M/8M/16M: menus for flash & FS size -# lwip/lwip2 menus for available lwip versions +# lwip menus for available lwip versions from __future__ import print_function import os @@ -1115,7 +1115,7 @@ ####################### lwip - 'lwip2': collections.OrderedDict([ + 'lwip': collections.OrderedDict([ ( '.menu.ip.lm2f', 'v2 Lower Memory' ), ( '.menu.ip.lm2f.build.lwip_include', 'lwip2/include' ), ( '.menu.ip.lm2f.build.lwip_lib', '-llwip2-536-feat' ), @@ -1142,19 +1142,6 @@ ( '.menu.ip.hb6f.build.lwip_flags', '-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1' ), ]), - 'lwip': collections.OrderedDict([ - ( '.menu.ip.hb1', 'v1.4 Higher Bandwidth' ), - ( '.menu.ip.hb1.build.lwip_lib', '-llwip_gcc' ), - ( '.menu.ip.hb1.build.lwip_flags', '-DLWIP_OPEN_SRC' ), - #( '.menu.ip.Espressif', 'v1.4 Espressif (xcc)' ), - #( '.menu.ip.Espressif.build.lwip_lib', '-llwip' ), - #( '.menu.ip.Espressif.build.lwip_flags', '-DLWIP_MAYBE_XCC' ), - ( '.menu.ip.src', 'v1.4 Compile from source' ), - ( '.menu.ip.src.build.lwip_lib', '-llwip_src' ), - ( '.menu.ip.src.build.lwip_flags', '-DLWIP_OPEN_SRC' ), - ( '.menu.ip.src.recipe.hooks.sketch.prebuild.1.pattern', 'make -C "{runtime.platform.path}/tools/sdk/lwip/src" install TOOLS_PATH="{runtime.tools.xtensa-lx106-elf-gcc.path}/bin/xtensa-lx106-elf-"' ), - ]), - ####################### serial 's9': collections.OrderedDict([ @@ -1598,11 +1585,7 @@ def all_boards (): macrolist = [ 'defaults', 'cpufreq_menu', 'vtable_menu', 'exception_menu', 'stacksmash_menu', 'ssl_cipher_menu' ] if 'macro' in board: macrolist += board['macro'] - if lwip == 2: - macrolist += [ 'lwip2', 'lwip' ] - else: - macrolist += [ 'lwip', 'lwip2' ] - macrolist += [ 'debug_menu', 'flash_erase_menu' ] + macrolist += [ 'lwip', 'debug_menu', 'flash_erase_menu' ] for cs in customspeeds: print(id + cs) @@ -1732,7 +1715,6 @@ def usage (name,ret): print("usage: %s [options]" % name) print("") print(" -h, --help") - print(" --lwip - preferred default lwIP version (default %d)" % lwip) print(" --led - preferred default builtin led for generic boards (default %d)" % led_default) print(" --board - board to modify:") print(" --filter - create a short boards.txt based on the boards listed in ") @@ -1781,7 +1763,6 @@ def usage (name,ret): ################################################################ # entry point -lwip = 2 default_speed = '115' led_default = 2 led_max = 16 @@ -1809,7 +1790,7 @@ def usage (name,ret): try: opts, args = getopt.getopt(sys.argv[1:], "h", - [ "help", "lwip=", "led=", "speed=", "board=", "customspeed=", "nofloat", + [ "help", "led=", "speed=", "board=", "customspeed=", "nofloat", "noextra4kheap", "allowWPS", "boardslocalgen", "filter=", "xfilter=", "boardnames", "ld", "ldgen", "boards", "boardsgen", "package", "packagegen", "doc", "docgen", @@ -1829,9 +1810,6 @@ def usage (name,ret): elif o in ("--boardnames"): boardnames() - elif o in ("--lwip"): - lwip = a - elif o in ("--led"): led_default = int(a) diff --git a/tools/platformio-build.py b/tools/platformio-build.py index 30b842728d..1af8ff9a3c 100644 --- a/tools/platformio-build.py +++ b/tools/platformio-build.py @@ -199,12 +199,7 @@ def scons_patched_match_splitext(path, suffixes=None): # # lwIP # -if "PIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH" in flatten_cppdefines: - env.Append( - CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip", "include")], - LIBS=["lwip_gcc"] - ) -elif "PIO_FRAMEWORK_ARDUINO_LWIP2_IPV6_LOW_MEMORY" in flatten_cppdefines: +if "PIO_FRAMEWORK_ARDUINO_LWIP2_IPV6_LOW_MEMORY" in flatten_cppdefines: env.Append( CPPDEFINES=[("TCP_MSS", 536), ("LWIP_FEATURES", 1), ("LWIP_IPV6", 1)], CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")], diff --git a/tools/sdk/include/ipv4_addr.h b/tools/sdk/include/ipv4_addr.h index 7a8ed35aa2..8d8747866e 100644 --- a/tools/sdk/include/ipv4_addr.h +++ b/tools/sdk/include/ipv4_addr.h @@ -34,16 +34,9 @@ // hence ipv4_addr/t is IPv4 version/copy of IPv4 ip_addr/_t // when IPv6 is enabled so we can deal with IPv4 use from firmware API. -// official lwIP's definitions (1.4 or 2) +// official lwIP's definitions #include "lwip/ip_addr.h" - -/////////////////////////////////////////////// -#if LWIP_VERSION_MAJOR == 1 - -#define ipv4_addr ip_addr - -/////////////////////////////////////////////// -#else // lwIP-v2 +#include #define ipv4_addr ip4_addr #define ipv4_addr_t ip4_addr_t @@ -55,7 +48,4 @@ struct ip_info { struct ipv4_addr gw; }; -/////////////////////////////////////////////// -#endif // lwIP-v2 - #endif // __IPV4_ADDR_H__ diff --git a/tools/sdk/include/sntp.h b/tools/sdk/include/sntp.h index 2947110571..bb85e678b6 100644 --- a/tools/sdk/include/sntp.h +++ b/tools/sdk/include/sntp.h @@ -5,11 +5,7 @@ #include "lwip/init.h" #include "lwip/ip_addr.h" -#if LWIP_VERSION_MAJOR == 1 -#include "lwip/sntp.h" -#else #include "lwip/apps/sntp.h" -#endif #ifdef __cplusplus extern "C" { diff --git a/tools/sdk/lib/liblwip_gcc.a b/tools/sdk/lib/liblwip_gcc.a deleted file mode 100644 index 9ec42e0b78..0000000000 Binary files a/tools/sdk/lib/liblwip_gcc.a and /dev/null differ diff --git a/tools/sdk/lwip/include/arch/cc.h b/tools/sdk/lwip/include/arch/cc.h deleted file mode 100644 index 9aa10d45c7..0000000000 --- a/tools/sdk/lwip/include/arch/cc.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 2001, Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __ARCH_CC_H__ -#define __ARCH_CC_H__ - -//#include -#include "c_types.h" -#include "ets_sys.h" -#include "osapi.h" -#define EFAULT 14 -#include -#include <../../../cores/esp8266/core_esp8266_features.h> - -//#define LWIP_PROVIDE_ERRNO - -#if (1) -#define BYTE_ORDER LITTLE_ENDIAN -#else -#define BYTE_ORDER BIG_ENDIAN -#endif - - -typedef unsigned char u8_t; -typedef signed char s8_t; -typedef unsigned short u16_t; -typedef signed short s16_t; -typedef unsigned long u32_t; -typedef signed long s32_t; -typedef unsigned long mem_ptr_t; - -#define S16_F "d" -#define U16_F "d" -#define X16_F "x" - -#define S32_F "d" -#define U32_F "d" -#define X32_F "x" - -#define LWIP_ERR_T s32_t - -//#define PACK_STRUCT_FIELD(x) x __attribute__((packed)) -#define PACK_STRUCT_FIELD(x) x -#define PACK_STRUCT_STRUCT __attribute__((packed)) -#define PACK_STRUCT_BEGIN -#define PACK_STRUCT_END - -//#define LWIP_DEBUG - -#ifdef LWIP_DEBUG -#define LWIP_PLATFORM_DIAG(x) os_printf x -#define LWIP_PLATFORM_ASSERT(x) ETS_ASSERT(x) -#else -#define LWIP_PLATFORM_DIAG(x) -#define LWIP_PLATFORM_ASSERT(x) -#endif - -typedef uint32_t sys_prot_t; -#define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev -#define SYS_ARCH_PROTECT(lev) lev = xt_rsil(15) -#define SYS_ARCH_UNPROTECT(lev) xt_wsr_ps(lev) - -#define LWIP_PLATFORM_BYTESWAP 1 -#define LWIP_PLATFORM_HTONS(_n) ((u16_t)((((_n) & 0xff) << 8) | (((_n) >> 8) & 0xff))) -#define LWIP_PLATFORM_HTONL(_n) ((u32_t)( (((_n) & 0xff) << 24) | (((_n) & 0xff00) << 8) | (((_n) >> 8) & 0xff00) | (((_n) >> 24) & 0xff) )) - -#if LWIP_RAW -extern u8_t memp_memory_RAW_PCB_base[]; -#endif /* LWIP_RAW */ - -#if LWIP_UDP -extern u8_t memp_memory_UDP_PCB_base[]; -#endif /* LWIP_UDP */ - -#if LWIP_TCP -extern u8_t memp_memory_TCP_PCB_base[]; -extern u8_t memp_memory_TCP_PCB_LISTEN_base[]; -extern u8_t memp_memory_TCP_SEG_base[] SHMEM_ATTR; -#endif /* LWIP_TCP */ - -#if (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) /* LWIP_TIMERS */ -extern u8_t memp_memory_SYS_TIMEOUT_base[]; -#endif /* LWIP_TIMERS */ - -extern u8_t memp_memory_PBUF_base[]; -extern u8_t memp_memory_PBUF_POOL_base[]; - - - -#endif /* __ARCH_CC_H__ */ diff --git a/tools/sdk/lwip/include/arch/perf.h b/tools/sdk/lwip/include/arch/perf.h deleted file mode 100644 index 089facac1d..0000000000 --- a/tools/sdk/lwip/include/arch/perf.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (c) 2001, Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __PERF_H__ -#define __PERF_H__ - -#define PERF_START /* null definition */ -#define PERF_STOP(x) /* null definition */ - -#endif /* __PERF_H__ */ diff --git a/tools/sdk/lwip/include/arch/sys_arch.h b/tools/sdk/lwip/include/arch/sys_arch.h deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/tools/sdk/lwip/include/lwip/api.h b/tools/sdk/lwip/include/lwip/api.h deleted file mode 100644 index 91b9e5d243..0000000000 --- a/tools/sdk/lwip/include/lwip/api.h +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_API_H__ -#define __LWIP_API_H__ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include /* for size_t */ - -#include "lwip/netbuf.h" -#include "lwip/sys.h" -#include "lwip/ip_addr.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Throughout this file, IP addresses and port numbers are expected to be in - * the same byte order as in the corresponding pcb. - */ - -/* Flags for netconn_write (u8_t) */ -#define NETCONN_NOFLAG 0x00 -#define NETCONN_NOCOPY 0x00 /* Only for source code compatibility */ -#define NETCONN_COPY 0x01 -#define NETCONN_MORE 0x02 -#define NETCONN_DONTBLOCK 0x04 - -/* Flags for struct netconn.flags (u8_t) */ -/** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores whether to wake up the original application task - if data couldn't be sent in the first try. */ -#define NETCONN_FLAG_WRITE_DELAYED 0x01 -/** Should this netconn avoid blocking? */ -#define NETCONN_FLAG_NON_BLOCKING 0x02 -/** Was the last connect action a non-blocking one? */ -#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04 -/** If this is set, a TCP netconn must call netconn_recved() to update - the TCP receive window (done automatically if not set). */ -#define NETCONN_FLAG_NO_AUTO_RECVED 0x08 -/** If a nonblocking write has been rejected before, poll_tcp needs to - check if the netconn is writable again */ -#define NETCONN_FLAG_CHECK_WRITESPACE 0x10 - - -/* Helpers to process several netconn_types by the same code */ -#define NETCONNTYPE_GROUP(t) (t&0xF0) -#define NETCONNTYPE_DATAGRAM(t) (t&0xE0) - -/** Protocol family and type of the netconn */ -enum netconn_type { - NETCONN_INVALID = 0, - /* NETCONN_TCP Group */ - NETCONN_TCP = 0x10, - /* NETCONN_UDP Group */ - NETCONN_UDP = 0x20, - NETCONN_UDPLITE = 0x21, - NETCONN_UDPNOCHKSUM= 0x22, - /* NETCONN_RAW Group */ - NETCONN_RAW = 0x40 -}; - -/** Current state of the netconn. Non-TCP netconns are always - * in state NETCONN_NONE! */ -enum netconn_state { - NETCONN_NONE, - NETCONN_WRITE, - NETCONN_LISTEN, - NETCONN_CONNECT, - NETCONN_CLOSE -}; - -/** Use to inform the callback function about changes */ -enum netconn_evt { - NETCONN_EVT_RCVPLUS, - NETCONN_EVT_RCVMINUS, - NETCONN_EVT_SENDPLUS, - NETCONN_EVT_SENDMINUS, - NETCONN_EVT_ERROR -}; - -#if LWIP_IGMP -/** Used for netconn_join_leave_group() */ -enum netconn_igmp { - NETCONN_JOIN, - NETCONN_LEAVE -}; -#endif /* LWIP_IGMP */ - -/* forward-declare some structs to avoid to include their headers */ -struct ip_pcb; -struct tcp_pcb; -struct udp_pcb; -struct raw_pcb; -struct netconn; -struct api_msg_msg; - -/** A callback prototype to inform about events for a netconn */ -typedef void (* netconn_callback)(struct netconn *, enum netconn_evt, u16_t len); - -/** A netconn descriptor */ -struct netconn { - /** type of the netconn (TCP, UDP or RAW) */ - enum netconn_type type; - /** current state of the netconn */ - enum netconn_state state; - /** the lwIP internal protocol control block */ - union { - struct ip_pcb *ip; - struct tcp_pcb *tcp; - struct udp_pcb *udp; - struct raw_pcb *raw; - } pcb; - /** the last error this netconn had */ - err_t last_err; - /** sem that is used to synchroneously execute functions in the core context */ - sys_sem_t op_completed; - /** mbox where received packets are stored until they are fetched - by the netconn application thread (can grow quite big) */ - sys_mbox_t recvmbox; -#if LWIP_TCP - /** mbox where new connections are stored until processed - by the application thread */ - sys_mbox_t acceptmbox; -#endif /* LWIP_TCP */ - /** only used for socket layer */ -#if LWIP_SOCKET - int socket; -#endif /* LWIP_SOCKET */ -#if LWIP_SO_RCVTIMEO - /** timeout to wait for new data to be received - (or connections to arrive for listening netconns) */ - int recv_timeout; -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - /** maximum amount of bytes queued in recvmbox - not used for TCP: adjust TCP_WND instead! */ - int recv_bufsize; - /** number of bytes currently in recvmbox to be received, - tested against recv_bufsize to limit bytes on recvmbox - for UDP and RAW, used for FIONREAD */ - s16_t recv_avail; -#endif /* LWIP_SO_RCVBUF */ - /** flags holding more netconn-internal state, see NETCONN_FLAG_* defines */ - u8_t flags; -#if LWIP_TCP - /** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores how much is already sent. */ - size_t write_offset; - /** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores the message. - Also used during connect and close. */ - struct api_msg_msg *current_msg; -#endif /* LWIP_TCP */ - /** A callback function that is informed about events for this netconn */ - netconn_callback callback; -}; - -/** Register an Network connection event */ -#define API_EVENT(c,e,l) if (c->callback) { \ - (*c->callback)(c, e, l); \ - } - -/** Set conn->last_err to err but don't overwrite fatal errors */ -#define NETCONN_SET_SAFE_ERR(conn, err) do { \ - SYS_ARCH_DECL_PROTECT(lev); \ - SYS_ARCH_PROTECT(lev); \ - if (!ERR_IS_FATAL((conn)->last_err)) { \ - (conn)->last_err = err; \ - } \ - SYS_ARCH_UNPROTECT(lev); \ -} while(0); - -/* Network connection functions: */ -#define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL) -#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c) -struct -netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto, - netconn_callback callback); -err_t netconn_delete(struct netconn *conn); -/** Get the type of a netconn (as enum netconn_type). */ -#define netconn_type(conn) (conn->type) - -err_t netconn_getaddr(struct netconn *conn, ip_addr_t *addr, - u16_t *port, u8_t local); -#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0) -#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1) - -err_t netconn_bind(struct netconn *conn, ip_addr_t *addr, u16_t port); -err_t netconn_connect(struct netconn *conn, ip_addr_t *addr, u16_t port); -err_t netconn_disconnect (struct netconn *conn); -err_t netconn_listen_with_backlog(struct netconn *conn, u8_t backlog); -#define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG) -err_t netconn_accept(struct netconn *conn, struct netconn **new_conn); -err_t netconn_recv(struct netconn *conn, struct netbuf **new_buf); -err_t netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf); -void netconn_recved(struct netconn *conn, u32_t length); -err_t netconn_sendto(struct netconn *conn, struct netbuf *buf, - ip_addr_t *addr, u16_t port); -err_t netconn_send(struct netconn *conn, struct netbuf *buf); -err_t netconn_write(struct netconn *conn, const void *dataptr, size_t size, - u8_t apiflags); -err_t netconn_close(struct netconn *conn); -err_t netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx); - -#if LWIP_IGMP -err_t netconn_join_leave_group(struct netconn *conn, ip_addr_t *multiaddr, - ip_addr_t *netif_addr, enum netconn_igmp join_or_leave); -#endif /* LWIP_IGMP */ -#if LWIP_DNS -err_t netconn_gethostbyname(const char *name, ip_addr_t *addr); -#endif /* LWIP_DNS */ - -#define netconn_err(conn) ((conn)->last_err) -#define netconn_recv_bufsize(conn) ((conn)->recv_bufsize) - -/** Set the blocking status of netconn calls (@todo: write/send is missing) */ -#define netconn_set_nonblocking(conn, val) do { if(val) { \ - (conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \ -} else { \ - (conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0) -/** Get the blocking status of netconn calls (@todo: write/send is missing) */ -#define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0) - -/** TCP: Set the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */ -#define netconn_set_noautorecved(conn, val) do { if(val) { \ - (conn)->flags |= NETCONN_FLAG_NO_AUTO_RECVED; \ -} else { \ - (conn)->flags &= ~ NETCONN_FLAG_NO_AUTO_RECVED; }} while(0) -/** TCP: Get the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */ -#define netconn_get_noautorecved(conn) (((conn)->flags & NETCONN_FLAG_NO_AUTO_RECVED) != 0) - -#if LWIP_SO_RCVTIMEO -/** Set the receive timeout in milliseconds */ -#define netconn_set_recvtimeout(conn, timeout) ((conn)->recv_timeout = (timeout)) -/** Get the receive timeout in milliseconds */ -#define netconn_get_recvtimeout(conn) ((conn)->recv_timeout) -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF -/** Set the receive buffer in bytes */ -#define netconn_set_recvbufsize(conn, recvbufsize) ((conn)->recv_bufsize = (recvbufsize)) -/** Get the receive buffer in bytes */ -#define netconn_get_recvbufsize(conn) ((conn)->recv_bufsize) -#endif /* LWIP_SO_RCVBUF*/ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETCONN */ - -#endif /* __LWIP_API_H__ */ diff --git a/tools/sdk/lwip/include/lwip/api_msg.h b/tools/sdk/lwip/include/lwip/api_msg.h deleted file mode 100644 index f99d8c3b71..0000000000 --- a/tools/sdk/lwip/include/lwip/api_msg.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_API_MSG_H__ -#define __LWIP_API_MSG_H__ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include /* for size_t */ - -#include "lwip/ip_addr.h" -#include "lwip/err.h" -#include "lwip/sys.h" -#include "lwip/igmp.h" -#include "lwip/api.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* For the netconn API, these values are use as a bitmask! */ -#define NETCONN_SHUT_RD 1 -#define NETCONN_SHUT_WR 2 -#define NETCONN_SHUT_RDWR (NETCONN_SHUT_RD | NETCONN_SHUT_WR) - -/* IP addresses and port numbers are expected to be in - * the same byte order as in the corresponding pcb. - */ -/** This struct includes everything that is necessary to execute a function - for a netconn in another thread context (mainly used to process netconns - in the tcpip_thread context to be thread safe). */ -struct api_msg_msg { - /** The netconn which to process - always needed: it includes the semaphore - which is used to block the application thread until the function finished. */ - struct netconn *conn; - /** The return value of the function executed in tcpip_thread. */ - err_t err; - /** Depending on the executed function, one of these union members is used */ - union { - /** used for do_send */ - struct netbuf *b; - /** used for do_newconn */ - struct { - u8_t proto; - } n; - /** used for do_bind and do_connect */ - struct { - ip_addr_t *ipaddr; - u16_t port; - } bc; - /** used for do_getaddr */ - struct { - ip_addr_t *ipaddr; - u16_t *port; - u8_t local; - } ad; - /** used for do_write */ - struct { - const void *dataptr; - size_t len; - u8_t apiflags; - } w; - /** used for do_recv */ - struct { - u32_t len; - } r; - /** used for do_close (/shutdown) */ - struct { - u8_t shut; - } sd; -#if LWIP_IGMP - /** used for do_join_leave_group */ - struct { - ip_addr_t *multiaddr; - ip_addr_t *netif_addr; - enum netconn_igmp join_or_leave; - } jl; -#endif /* LWIP_IGMP */ -#if TCP_LISTEN_BACKLOG - struct { - u8_t backlog; - } lb; -#endif /* TCP_LISTEN_BACKLOG */ - } msg; -}; - -/** This struct contains a function to execute in another thread context and - a struct api_msg_msg that serves as an argument for this function. - This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */ -struct api_msg { - /** function to execute in tcpip_thread context */ - void (* function)(struct api_msg_msg *msg); - /** arguments for this function */ - struct api_msg_msg msg; -}; - -#if LWIP_DNS -/** As do_gethostbyname requires more arguments but doesn't require a netconn, - it has its own struct (to avoid struct api_msg getting bigger than necessary). - do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg - (see netconn_gethostbyname). */ -struct dns_api_msg { - /** Hostname to query or dotted IP address string */ - const char *name; - /** Rhe resolved address is stored here */ - ip_addr_t *addr; - /** This semaphore is posted when the name is resolved, the application thread - should wait on it. */ - sys_sem_t *sem; - /** Errors are given back here */ - err_t *err; -}; -#endif /* LWIP_DNS */ - -void do_newconn ( struct api_msg_msg *msg); -void do_delconn ( struct api_msg_msg *msg); -void do_bind ( struct api_msg_msg *msg); -void do_connect ( struct api_msg_msg *msg); -void do_disconnect ( struct api_msg_msg *msg); -void do_listen ( struct api_msg_msg *msg); -void do_send ( struct api_msg_msg *msg); -void do_recv ( struct api_msg_msg *msg); -void do_write ( struct api_msg_msg *msg); -void do_getaddr ( struct api_msg_msg *msg); -void do_close ( struct api_msg_msg *msg); -void do_shutdown ( struct api_msg_msg *msg); -#if LWIP_IGMP -void do_join_leave_group( struct api_msg_msg *msg); -#endif /* LWIP_IGMP */ - -#if LWIP_DNS -void do_gethostbyname(void *arg); -#endif /* LWIP_DNS */ - -struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback); -void netconn_free(struct netconn *conn); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETCONN */ - -#endif /* __LWIP_API_MSG_H__ */ diff --git a/tools/sdk/lwip/include/lwip/app/dhcpserver.h b/tools/sdk/lwip/include/lwip/app/dhcpserver.h deleted file mode 100644 index 63e762c6e0..0000000000 --- a/tools/sdk/lwip/include/lwip/app/dhcpserver.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef __DHCPS_H__ -#define __DHCPS_H__ - -#define USE_DNS - -typedef struct dhcps_state{ - sint16_t state; -} dhcps_state; - -typedef struct dhcps_msg { - uint8_t op, htype, hlen, hops; - uint8_t xid[4]; - uint16_t secs, flags; - uint8_t ciaddr[4]; - uint8_t yiaddr[4]; - uint8_t siaddr[4]; - uint8_t giaddr[4]; - uint8_t chaddr[16]; - uint8_t sname[64]; - uint8_t file[128]; - uint8_t options[312]; -}dhcps_msg; - -#ifndef LWIP_OPEN_SRC -struct dhcps_lease { - bool enable; - struct ip_addr start_ip; - struct ip_addr end_ip; -}; - -enum dhcps_offer_option{ - OFFER_START = 0x00, - OFFER_ROUTER = 0x01, - OFFER_END -}; -#endif - -typedef enum { - DHCPS_TYPE_DYNAMIC, - DHCPS_TYPE_STATIC -} dhcps_type_t; - -typedef enum { - DHCPS_STATE_ONLINE, - DHCPS_STATE_OFFLINE -} dhcps_state_t; - -struct dhcps_pool{ - struct ip_addr ip; - uint8 mac[6]; - uint32 lease_timer; - dhcps_type_t type; - dhcps_state_t state; - -}; - -typedef struct _list_node{ - void *pnode; - struct _list_node *pnext; -}list_node; - -extern uint32 dhcps_lease_time; -#define DHCPS_LEASE_TIMER dhcps_lease_time //0x05A0 -#define DHCPS_MAX_LEASE 0x64 -#define BOOTP_BROADCAST 0x8000 - -#define DHCP_REQUEST 1 -#define DHCP_REPLY 2 -#define DHCP_HTYPE_ETHERNET 1 -#define DHCP_HLEN_ETHERNET 6 -#define DHCP_MSG_LEN 236 - -#define DHCPS_SERVER_PORT 67 -#define DHCPS_CLIENT_PORT 68 - -#define DHCPDISCOVER 1 -#define DHCPOFFER 2 -#define DHCPREQUEST 3 -#define DHCPDECLINE 4 -#define DHCPACK 5 -#define DHCPNAK 6 -#define DHCPRELEASE 7 - -#define DHCP_OPTION_SUBNET_MASK 1 -#define DHCP_OPTION_ROUTER 3 -#define DHCP_OPTION_DNS_SERVER 6 -#define DHCP_OPTION_REQ_IPADDR 50 -#define DHCP_OPTION_LEASE_TIME 51 -#define DHCP_OPTION_MSG_TYPE 53 -#define DHCP_OPTION_SERVER_ID 54 -#define DHCP_OPTION_INTERFACE_MTU 26 -#define DHCP_OPTION_PERFORM_ROUTER_DISCOVERY 31 -#define DHCP_OPTION_BROADCAST_ADDRESS 28 -#define DHCP_OPTION_REQ_LIST 55 -#define DHCP_OPTION_END 255 - -//#define USE_CLASS_B_NET 1 -#define DHCPS_DEBUG 0 -#define MAX_STATION_NUM 8 - -#define DHCPS_STATE_OFFER 1 -#define DHCPS_STATE_DECLINE 2 -#define DHCPS_STATE_ACK 3 -#define DHCPS_STATE_NAK 4 -#define DHCPS_STATE_IDLE 5 -#define DHCPS_STATE_RELEASE 6 - -#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0) - -void dhcps_start(struct ip_info *info); -void dhcps_stop(void); - -#endif - diff --git a/tools/sdk/lwip/include/lwip/app/espconn.h b/tools/sdk/lwip/include/lwip/app/espconn.h deleted file mode 100644 index 14fa9bcf90..0000000000 --- a/tools/sdk/lwip/include/lwip/app/espconn.h +++ /dev/null @@ -1,686 +0,0 @@ -#ifndef __ESPCONN_H__ -#define __ESPCONN_H__ - -#include "lwip/dns.h" -#include "os_type.h" -#include "lwip/app/espconn_buf.h" - -#if 0 -#define espconn_printf(fmt, args...) os_printf(fmt,## args) -#else -#define espconn_printf(fmt, args...) -#endif - - -typedef void *espconn_handle; -typedef void (* espconn_connect_callback)(void *arg); -typedef void (* espconn_reconnect_callback)(void *arg, sint8 err); - -/* Definitions for error constants. */ - -#define ESPCONN_OK 0 /* No error, everything OK. */ -#define ESPCONN_MEM -1 /* Out of memory error. */ -#define ESPCONN_TIMEOUT -3 /* Timeout. */ -#define ESPCONN_RTE -4 /* Routing problem. */ -#define ESPCONN_INPROGRESS -5 /* Operation in progress */ -#define ESPCONN_MAXNUM -7 /* Total number exceeds the set maximum*/ - -#define ESPCONN_ABRT -8 /* Connection aborted. */ -#define ESPCONN_RST -9 /* Connection reset. */ -#define ESPCONN_CLSD -10 /* Connection closed. */ -#define ESPCONN_CONN -11 /* Not connected. */ - -#define ESPCONN_ARG -12 /* Illegal argument. */ -#define ESPCONN_IF -14 /* Low_level error */ -#define ESPCONN_ISCONN -15 /* Already connected. */ -#define ESPCONN_TIME -16 /* Sync Time error */ -#define ESPCONN_NODATA -17 /* No data can be read */ - -#define ESPCONN_HANDSHAKE -28 /* ssl handshake failed */ -#define ESPCONN_RESP_TIMEOUT -29 /* ssl handshake no response*/ -#define ESPCONN_PROTO_MSG -61 /* ssl application invalid */ - -#define ESPCONN_SSL 0x01 -#define ESPCONN_NORM 0x00 - -#define ESPCONN_STA 0x01 -#define ESPCONN_AP 0x02 -#define ESPCONN_AP_STA 0x03 - -#define STA_NETIF 0x00 -#define AP_NETIF 0x01 - -/** Protocol family and type of the espconn */ -enum espconn_type { - ESPCONN_INVALID = 0, - /* ESPCONN_TCP Group */ - ESPCONN_TCP = 0x10, - /* ESPCONN_UDP Group */ - ESPCONN_UDP = 0x20, -}; - -/** Current state of the espconn. Non-TCP espconn are always in state ESPCONN_NONE! */ -enum espconn_state { - ESPCONN_NONE, - ESPCONN_WAIT, - ESPCONN_LISTEN, - ESPCONN_CONNECT, - ESPCONN_WRITE, - ESPCONN_READ, - ESPCONN_CLOSE -}; - -typedef struct _esp_tcp { - int remote_port; - int local_port; - uint8 local_ip[4]; - uint8 remote_ip[4]; - espconn_connect_callback connect_callback; - espconn_reconnect_callback reconnect_callback; - espconn_connect_callback disconnect_callback; - espconn_connect_callback write_finish_fn; -} esp_tcp; - -typedef struct _esp_udp { - int remote_port; - int local_port; - uint8 local_ip[4]; - uint8 remote_ip[4]; -} esp_udp; - -typedef struct _remot_info{ - enum espconn_state state; - int remote_port; - uint8 remote_ip[4]; -}remot_info; - -/** A callback prototype to inform about events for a espconn */ -typedef void (* espconn_recv_callback)(void *arg, char *pdata, unsigned short len); -typedef void (* espconn_sent_callback)(void *arg); - -/** A espconn descriptor */ -struct espconn { - /** type of the espconn (TCP, UDP) */ - enum espconn_type type; - /** current state of the espconn */ - enum espconn_state state; - union { - esp_tcp *tcp; - esp_udp *udp; - } proto; - /** A callback function that is informed about events for this espconn */ - espconn_recv_callback recv_callback; - espconn_sent_callback sent_callback; - uint8 link_cnt; - void *reverse; -}; - -enum espconn_option{ - ESPCONN_START = 0x00, - ESPCONN_REUSEADDR = 0x01, - ESPCONN_NODELAY = 0x02, - ESPCONN_COPY = 0x04, - ESPCONN_KEEPALIVE = 0x08, - ESPCONN_END -}; - -enum espconn_level{ - ESPCONN_KEEPIDLE, - ESPCONN_KEEPINTVL, - ESPCONN_KEEPCNT -}; - -enum espconn_mode{ - ESPCONN_NOMODE, - ESPCONN_TCPSERVER_MODE, - ESPCONN_TCPCLIENT_MODE, - ESPCONN_UDP_MODE, - ESPCONN_NUM_MODE -}; - -struct espconn_packet{ - uint16 sent_length; /* sent length successful*/ - uint16 snd_buf_size; /* Available buffer size for sending */ - uint16 snd_queuelen; /* Available buffer space for sending */ - uint16 total_queuelen; /* total Available buffer space for sending */ - uint32 packseqno; /* seqno to be sent */ - uint32 packseq_nxt; /* seqno expected */ - uint32 packnum; -}; - -typedef struct _espconn_buf{ - uint8 *payload; - uint8 *punsent; - uint16 unsent; - uint16 len; - uint16 tot_len; - struct _espconn_buf *pnext; -} espconn_buf; - -typedef struct _comon_pkt{ - void *pcb; - int remote_port; - uint8 remote_ip[4]; - uint32 local_port; - uint32 local_ip; - espconn_buf *pbuf; - espconn_buf *ptail; - uint8* ptrbuf; - uint16 cntr; - sint8 err; - uint32 timeout; - uint32 recv_check; - uint8 pbuf_num; - struct espconn_packet packet_info; - bool write_flag; - enum espconn_option espconn_opt; -}comon_pkt; - -typedef struct _espconn_msg{ - struct espconn *pespconn; - comon_pkt pcommon; - uint8 count_opt; - uint8 espconn_mode; - sint16_t hs_status; //the status of the handshake - void *preverse; - void *pssl; - struct _espconn_msg *pnext; - -//***********Code for WIFI_BLOCK from upper************** - uint8 recv_hold_flag; - uint16 recv_holded_buf_Len; -//******************************************************* - ringbuf *readbuf; -}espconn_msg; - -#ifndef _MDNS_INFO -#define _MDNS_INFO -struct mdns_info { - char *host_name; - char *server_name; - uint16 server_port; - unsigned long ipAddr; - char *txt_data[10]; -}; -#endif - -#define linkMax 15 - -#define espconn_delay_disabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_NODELAY) != 0) -#define espconn_delay_enabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_NODELAY) == 0) -#define espconn_reuse_disabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_REUSEADDR) != 0) -#define espconn_copy_disabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_COPY) != 0) -#define espconn_copy_enabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_COPY) == 0) -#define espconn_keepalive_disabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_KEEPALIVE) != 0) -#define espconn_keepalive_enabled(espconn) (((espconn)->pcommon.espconn_opt & ESPCONN_KEEPALIVE) == 0) - -#define espconn_TaskPrio 26 -#define espconn_TaskQueueLen 15 - -enum espconn_sig { - SIG_ESPCONN_NONE, - SIG_ESPCONN_ERRER, - SIG_ESPCONN_LISTEN, - SIG_ESPCONN_CONNECT, - SIG_ESPCONN_WRITE, - SIG_ESPCONN_SEND, - SIG_ESPCONN_READ, - SIG_ESPCONN_CLOSE -}; - -/****************************************************************************** - * FunctionName : espconn_copy_partial - * Description : reconnect with host - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ - -void espconn_copy_partial(struct espconn *pesp_dest, struct espconn *pesp_source); - -/****************************************************************************** - * FunctionName : espconn_copy_partial - * Description : insert the node to the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ - -void espconn_list_creat(espconn_msg **phead, espconn_msg* pinsert); - -/****************************************************************************** - * FunctionName : espconn_list_delete - * Description : remove the node from the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ - -void espconn_list_delete(espconn_msg **phead, espconn_msg* pdelete); - -/****************************************************************************** - * FunctionName : espconn_find_connection - * Description : Initialize the server: set up a listening PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build server - * Returns : none - *******************************************************************************/ - -bool espconn_find_connection(struct espconn *pespconn, espconn_msg **pnode); - -/****************************************************************************** - * FunctionName : espconn_get_connection_info - * Description : used to specify the function that should be called when disconnect - * Parameters : espconn -- espconn to set the err callback - * discon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ - -sint8 espconn_get_connection_info(struct espconn *pespconn, remot_info **pcon_info, uint8 typeflags); - -/****************************************************************************** - * FunctionName : espconn_get_packet_info - * Description : get the packet info with host - * Parameters : espconn -- the espconn used to disconnect the connection - * infoarg -- the packet info - * Returns : the errur code -*******************************************************************************/ - -sint8 espconn_get_packet_info(struct espconn *espconn, struct espconn_packet* infoarg); - -/****************************************************************************** - * FunctionName : espconn_connect - * Description : The function given as the connect - * Parameters : espconn -- the espconn used to listen the connection - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_connect(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_disconnect - * Description : disconnect with host - * Parameters : espconn -- the espconn used to disconnect the connection - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_disconnect(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_delete - * Description : disconnect with host - * Parameters : espconn -- the espconn used to disconnect the connection - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_delete(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_accept - * Description : The function given as the listen - * Parameters : espconn -- the espconn used to listen the connection - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_accept(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_create - * Description : sent data for client or server - * Parameters : espconn -- espconn to the data transmission - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_create(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_wnd - * Description : get the window size of simulatenously active TCP connections - * Parameters : none - * Returns : the number of TCP_MSS active TCP connections -*******************************************************************************/ -extern uint8 espconn_tcp_get_wnd(void); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con - * Description : set the window size simulatenously active TCP connections - * Parameters : num -- the number of TCP_MSS - * Returns : ESPCONN_ARG -- Illegal argument - * ESPCONN_OK -- No error -*******************************************************************************/ -extern sint8 espconn_tcp_set_wnd(uint8 num); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_con - * Description : get the number of simulatenously active TCP connections - * Parameters : none - * Returns : none -*******************************************************************************/ - -extern uint8 espconn_tcp_get_max_con(void); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con - * Description : set the number of simulatenously active TCP connections - * Parameters : num -- total number - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_tcp_set_max_con(uint8 num); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_retran - * Description : get the Maximum number of retransmissions of data active TCP connections - * Parameters : none - * Returns : the Maximum number of retransmissions -*******************************************************************************/ -extern uint8 espconn_tcp_get_max_retran(void); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_retran - * Description : set the Maximum number of retransmissions of data active TCP connections - * Parameters : num -- the Maximum number of retransmissions - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_tcp_set_max_retran(uint8 num); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_syn - * Description : get the Maximum number of retransmissions of SYN segments - * Parameters : none - * Returns : the Maximum number of retransmissions -*******************************************************************************/ - -extern uint8 espconn_tcp_get_max_syn(void); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_syn - * Description : set the Maximum number of retransmissions of SYN segments - * Parameters : num -- the Maximum number of retransmissions - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_tcp_set_max_syn(uint8 num); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_con_allow - * Description : get the count of simulatenously active connections on the server - * Parameters : espconn -- espconn to get the count - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_tcp_get_max_con_allow(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con_allow - * Description : set the count of simulatenously active connections on the server - * Parameters : espconn -- espconn to set the count - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_tcp_set_max_con_allow(struct espconn *espconn, uint8 num); - -/****************************************************************************** - * FunctionName : espconn_tcp_set_buf_count - * Description : set the total number of espconn_buf on the unsent lists - * Parameters : espconn -- espconn to set the count - * num -- the total number of espconn_buf - * Returns : result -*******************************************************************************/ - -extern sint8 espconn_tcp_set_buf_count(struct espconn *espconn, uint8 num); - -/****************************************************************************** - * FunctionName : espconn_regist_time - * Description : used to specify the time that should be called when don't recv data - * Parameters : espconn -- the espconn used to the connection - * interval -- the timer when don't recv data - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_time(struct espconn *espconn, uint32 interval, uint8 type_flag); - -/****************************************************************************** - * FunctionName : espconn_regist_sentcb - * Description : Used to specify the function that should be called when data - * has been successfully delivered to the remote host. - * Parameters : struct espconn *espconn -- espconn to set the sent callback - * espconn_sent_callback sent_cb -- sent callback function to - * call for this espconn when data is successfully sent - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_sentcb(struct espconn *espconn, espconn_sent_callback sent_cb); - -/****************************************************************************** - * FunctionName : espconn_regist_sentcb - * Description : Used to specify the function that should be called when data - * has been successfully delivered to the remote host. - * Parameters : espconn -- espconn to set the sent callback - * sent_cb -- sent callback function to call for this espconn - * when data is successfully sent - * Returns : none -*******************************************************************************/ -extern sint8 espconn_regist_write_finish(struct espconn *espconn, espconn_connect_callback write_finish_fn); - -/****************************************************************************** - * FunctionName : espconn_sent - * Description : sent data for client or server - * Parameters : espconn -- espconn to set for client or server - * psent -- data to send - * length -- length of data to send - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_sent(struct espconn *espconn, uint8 *psent, uint16 length); - -/****************************************************************************** - * FunctionName : espconn_regist_connectcb - * Description : used to specify the function that should be called when - * connects to host. - * Parameters : espconn -- espconn to set the connect callback - * connect_cb -- connected callback function to call when connected - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_connectcb(struct espconn *espconn, espconn_connect_callback connect_cb); - -/****************************************************************************** - * FunctionName : espconn_regist_recvcb - * Description : used to specify the function that should be called when recv - * data from host. - * Parameters : espconn -- espconn to set the recv callback - * recv_cb -- recv callback function to call when recv data - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_recvcb(struct espconn *espconn, espconn_recv_callback recv_cb); - -/****************************************************************************** - * FunctionName : espconn_regist_reconcb - * Description : used to specify the function that should be called when connection - * because of err disconnect. - * Parameters : espconn -- espconn to set the err callback - * recon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_reconcb(struct espconn *espconn, espconn_reconnect_callback recon_cb); - -/****************************************************************************** - * FunctionName : espconn_regist_disconcb - * Description : used to specify the function that should be called when disconnect - * Parameters : espconn -- espconn to set the err callback - * discon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_regist_disconcb(struct espconn *espconn, espconn_connect_callback discon_cb); - -/****************************************************************************** - * FunctionName : espconn_port - * Description : access port value for client so that we don't end up bouncing - * all connections at the same time . - * Parameters : none - * Returns : access port value -*******************************************************************************/ - -extern uint32 espconn_port(void); - -/****************************************************************************** - * FunctionName : espconn_set_opt - * Description : access port value for client so that we don't end up bouncing - * all connections at the same time . - * Parameters : none - * Returns : access port value -*******************************************************************************/ -extern sint8 espconn_set_opt(struct espconn *espconn, uint8 opt); - -/****************************************************************************** - * FunctionName : espconn_set_keepalive - * Description : access level value for connection so that we set the value for - * keep alive - * Parameters : espconn -- the espconn used to set the connection - * level -- the connection's level - * value -- the value of time(s) - * Returns : access port value -*******************************************************************************/ -extern sint8 espconn_set_keepalive(struct espconn *espconn, uint8 level, void* optarg); - -/****************************************************************************** - * FunctionName : espconn_get_keepalive - * Description : access level value for connection so that we get the value for - * keep alive - * Parameters : espconn -- the espconn used to get the connection - * level -- the connection's level - * Returns : access keep alive value -*******************************************************************************/ -extern sint8 espconn_get_keepalive(struct espconn *espconn, uint8 level, void *optarg); - -/****************************************************************************** - * FunctionName : espconn_gethostbyname - * Description : Resolve a hostname (string) into an IP address. - * Parameters : pespconn -- espconn to resolve a hostname - * hostname -- the hostname that is to be queried - * addr -- pointer to a ip_addr_t where to store the address if - * it is already cached in the dns_table (only valid if - * ESPCONN_OK is returned!) - * found -- a callback function to be called on success, failure - * or timeout (only if ERR_INPROGRESS is returned!) - * Returns : err_t return code - * - ESPCONN_OK if hostname is a valid IP address string or the host - * name is already in the local names table. - * - ESPCONN_INPROGRESS enqueue a request to be sent to the DNS server - * for resolution if no errors are present. - * - ESPCONN_ARG: dns client not initialized or invalid hostname -*******************************************************************************/ - -extern err_t espconn_gethostbyname(struct espconn *pespconn, const char *name, ip_addr_t *addr, dns_found_callback found); - -/****************************************************************************** - * FunctionName : espconn_igmp_join - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -extern sint8 espconn_igmp_join(ip_addr_t *host_ip, ip_addr_t *multicast_ip); - -/****************************************************************************** - * FunctionName : espconn_igmp_leave - * Description : leave a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -extern sint8 espconn_igmp_leave(ip_addr_t *host_ip, ip_addr_t *multicast_ip); - -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : register a device with mdns - * Parameters : ipAddr -- the ip address of device - * hostname -- the hostname of device - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_init(struct mdns_info *info); -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : close mdns socket - * Parameters : void - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_close(void); -/****************************************************************************** - * FunctionName : mdns_server_register - * Description : register a server and join a multicast group - * Parameters : none - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_server_register(void); -/****************************************************************************** - * FunctionName : mdns_server_register - * Description : unregister server and leave multicast group - * Parameters : none - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_server_unregister(void); -/****************************************************************************** - * FunctionName : espconn_mdns_get_servername - * Description : get server name - * Parameters : none - * Returns : server name -*******************************************************************************/ -extern char* espconn_mdns_get_servername(void); -/****************************************************************************** - * FunctionName : espconn_mdns_get_servername - * Description : set server name - * Parameters : server name - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_set_servername(const char *name); -/****************************************************************************** - * FunctionName : espconn_mdns_set_hostname - * Description : set host name - * Parameters : host name - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_set_hostname(char *name); -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : get host name - * Parameters : void - * Returns : hostname -*******************************************************************************/ -extern char* espconn_mdns_get_hostname(void); -/****************************************************************************** - * FunctionName : espconn_mdns_disable - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_disable(void); -/****************************************************************************** - * FunctionName : espconn_mdns_enable - * Description : enable mdns - * Parameters : void - * Returns : none -*******************************************************************************/ -extern void espconn_mdns_enable(void); -/****************************************************************************** - * FunctionName : espconn_dns_setserver - * Description : Initialize one of the DNS servers. - * Parameters : numdns -- the index of the DNS server to set must - * be < DNS_MAX_SERVERS = 2 - * dnsserver -- IP address of the DNS server to set - * Returns : none -*******************************************************************************/ -extern void espconn_dns_setserver(u8_t numdns, ip_addr_t *dnsserver); -/****************************************************************************** - * FunctionName : espconn_dns_getserver - * Description : get dns server. - * Parameters : numdns -- the index of the DNS server ,must - * be < DNS_MAX_SERVERS = 2 - * Returns : dnsserver -- struct ip_addr_t -*******************************************************************************/ -extern ip_addr_t espconn_dns_getserver(u8_t numdns); -#endif - diff --git a/tools/sdk/lwip/include/lwip/app/espconn_buf.h b/tools/sdk/lwip/include/lwip/app/espconn_buf.h deleted file mode 100644 index 8bdfaa12ab..0000000000 --- a/tools/sdk/lwip/include/lwip/app/espconn_buf.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * ringbuf.h - * - * Created on: Apr 22, 2016 - * Author: liuhan - */ - -#ifndef _ESPCONN_BUF_H_ -#define _ESPCONN_BUF_H_ - -/* - * ringbuffer.c - * - * Created on: Apr 22, 2016 - * Author: liuhan - */ -#include "c_types.h" - -#include "ets_sys.h" -#include "os_type.h" - -typedef struct ringbuf_t { - uint8_t *buf; - uint8_t *head, *tail; - size_t size; -} ringbuf, *ringbuf_t; - -ringbuf_t ringbuf_new(size_t capacity); - -size_t ringbuf_buffer_size(const struct ringbuf_t *rb); - -void ringbuf_reset(ringbuf_t rb); - -void ringbuf_free(ringbuf_t *rb); - -size_t ringbuf_capacity(const struct ringbuf_t *rb); - -size_t ringbuf_bytes_free(const struct ringbuf_t *rb); - -size_t ringbuf_bytes_used(const struct ringbuf_t *rb); - -int ringbuf_is_full(const struct ringbuf_t *rb); - -int ringbuf_is_empty(const struct ringbuf_t *rb); - -const void* ringbuf_tail(const struct ringbuf_t *rb); - -const void* ringbuf_head(const struct ringbuf_t *rb); - -static uint8_t *ringbuf_nextp(ringbuf_t rb, const uint8_t *p); - -size_t ringbuf_findchr(const struct ringbuf_t *rb, int c, size_t offset); - -size_t ringbuf_memset(ringbuf_t dst, int c, size_t len); - -void *ringbuf_memcpy_into(ringbuf_t dst, const void *src, size_t count); - -void *ringbuf_memcpy_from(void *dst, ringbuf_t src, size_t count); - -#endif /* RINGBUF_H_ */ diff --git a/tools/sdk/lwip/include/lwip/app/espconn_tcp.h b/tools/sdk/lwip/include/lwip/app/espconn_tcp.h deleted file mode 100644 index 5598a5cd39..0000000000 --- a/tools/sdk/lwip/include/lwip/app/espconn_tcp.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef __ESPCONN_TCP_H__ -#define __ESPCONN_TCP_H__ - -#ifndef ESPCONN_TCP_DEBUG -#define ESPCONN_TCP_DEBUG LWIP_DBG_OFF -#endif -#include "lwip/app/espconn.h" - -#ifndef ESPCONN_TCP_TIMER -#define ESPCONN_TCP_TIMER 40 -#endif - -#define espconn_keepalive_enable(pcb) ((pcb)->so_options |= SOF_KEEPALIVE) -#define espconn_keepalive_disable(pcb) ((pcb)->so_options &= ~SOF_KEEPALIVE) - -/****************************************************************************** - * FunctionName : espconn_kill_oldest_pcb - * Description : A oldest incoming connection has been killed. - * Parameters : none - * Returns : none -*******************************************************************************/ - -extern void espconn_kill_oldest_pcb(void); - -/****************************************************************************** - * FunctionName : espconn_tcp_disconnect - * Description : A new incoming connection has been disconnected. - * Parameters : espconn -- the espconn used to disconnect with host - * Returns : none -*******************************************************************************/ - -extern void espconn_tcp_disconnect(espconn_msg *pdiscon,u8 type); - -/****************************************************************************** - * FunctionName : espconn_tcp_client - * Description : Initialize the client: set up a connect PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build client - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_tcp_client(struct espconn* espconn); - -/****************************************************************************** - * FunctionName : espconn_tcp_server - * Description : Initialize the server: set up a listening PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build server - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_tcp_server(struct espconn *espconn); - -#endif /* __CLIENT_TCP_H__ */ - diff --git a/tools/sdk/lwip/include/lwip/app/espconn_udp.h b/tools/sdk/lwip/include/lwip/app/espconn_udp.h deleted file mode 100644 index cdb312f73e..0000000000 --- a/tools/sdk/lwip/include/lwip/app/espconn_udp.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef __ESPCONN_UDP_H__ -#define __ESPCONN_UDP_H__ - -#ifndef ESPCONN_UDP_DEBUG -#define ESPCONN_UDP_DEBUG LWIP_DBG_OFF -#endif - -#include "lwip/app/espconn.h" - -/****************************************************************************** - * FunctionName : espconn_udp_client - * Description : Initialize the client: set up a PCB and bind it to the port - * Parameters : pespconn -- the espconn used to build client - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_udp_client(struct espconn *pespconn); - -/****************************************************************************** - * FunctionName : espconn_udp_disconnect - * Description : A new incoming connection has been disconnected. - * Parameters : espconn -- the espconn used to disconnect with host - * Returns : none -*******************************************************************************/ - -extern void espconn_udp_disconnect(espconn_msg *pdiscon); - -/****************************************************************************** - * FunctionName : espconn_udp_server - * Description : Initialize the server: set up a PCB and bind it to the port - * Parameters : pespconn -- the espconn used to build server - * Returns : none -*******************************************************************************/ - -extern sint8 espconn_udp_server(struct espconn *espconn); - -/****************************************************************************** - * FunctionName : espconn_udp_sent - * Description : sent data for client or server - * Parameters : void *arg -- client or server to send - * uint8* psent -- Data to send - * uint16 length -- Length of data to send - * Returns : none -*******************************************************************************/ - -extern err_t espconn_udp_sent(void *arg, uint8 *psent, uint16 length); - -/****************************************************************************** - * FunctionName : espconn_udp_sendto - * Description : sent data for UDP - * Parameters : void *arg -- UDP to send - * uint8* psent -- Data to send - * uint16 length -- Length of data to send - * Returns : return espconn error code. - * - ESPCONN_OK. Successful. No error occured. - * - ESPCONN_MEM. Out of memory. - * - ESPCONN_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. -*******************************************************************************/ -extern err_t espconn_udp_sendto(void *arg, uint8 *psent, uint16 length); - -#endif /* __ESPCONN_UDP_H__ */ - - diff --git a/tools/sdk/lwip/include/lwip/app/ping.h b/tools/sdk/lwip/include/lwip/app/ping.h deleted file mode 100644 index 21e26e9101..0000000000 --- a/tools/sdk/lwip/include/lwip/app/ping.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef __PING_H__ -#define __PING_H__ -#include "lwip/ip_addr.h" -#include "lwip/icmp.h" -/** - * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used - */ -#ifndef PING_USE_SOCKETS -#define PING_USE_SOCKETS LWIP_SOCKET -#endif - -/** - * PING_DEBUG: Enable debugging for PING. - */ -#ifndef PING_DEBUG -#define PING_DEBUG LWIP_DBG_OFF -#endif - -/** ping receive timeout - in milliseconds */ -#ifndef PING_RCV_TIMEO -#define PING_RCV_TIMEO 1000 -#endif - -/** ping delay - in milliseconds */ -#ifndef PING_COARSE -#define PING_COARSE 1000 -#endif - -/** ping identifier - must fit on a u16_t */ -#ifndef PING_ID -#define PING_ID 0xAFAF -#endif - -/** ping additional data size to include in the packet */ -#ifndef PING_DATA_SIZE -#define PING_DATA_SIZE 32 -#endif - -/** ping result action - no default action */ -#ifndef PING_RESULT -#define PING_RESULT(ping_ok) -#endif - -#define DEFAULT_PING_MAX_COUNT 4 -#define PING_TIMEOUT_MS 1000 - -typedef void (* ping_recv_function)(void* arg, void *pdata); -typedef void (* ping_sent_function)(void* arg, void *pdata); - -struct ping_option{ - uint32 count; - uint32 ip; - uint32 coarse_time; - ping_recv_function recv_function; - ping_sent_function sent_function; - void* reverse; -}; - -struct ping_msg{ - struct ping_option *ping_opt; - struct raw_pcb *ping_pcb; - uint32 ping_start; - uint32 ping_sent; - uint32 timeout_count; - uint32 max_count; - uint32 sent_count; - uint32 coarse_time; -}; - -struct ping_resp{ - uint32 total_count; - uint32 resp_time; - uint32 seqno; - uint32 timeout_count; - uint32 bytes; - uint32 total_bytes; - uint32 total_time; - sint8 ping_err; -}; - -bool ping_start(struct ping_option *ping_opt); -bool ping_regist_recv(struct ping_option *ping_opt, ping_recv_function ping_recv); -bool ping_regist_sent(struct ping_option *ping_opt, ping_sent_function ping_sent); - -#endif /* __PING_H__ */ diff --git a/tools/sdk/lwip/include/lwip/app/time.h b/tools/sdk/lwip/include/lwip/app/time.h deleted file mode 100644 index 189d7d1f0d..0000000000 --- a/tools/sdk/lwip/include/lwip/app/time.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * time.h - * - * Created on: May 31, 2016 - * Author: liuhan - */ - -#ifndef TIME_H_ -#define TIME_H_ -#include "osapi.h" -#include "os_type.h" -#include "lwip/sntp.h" - -struct timeval { - unsigned long tv_sec; /* seconds */ - unsigned long tv_usec; /* and microseconds */ -}; - -/***************************RTC TIME OPTION***************************************/ -// daylight settings -// Base calculated with value obtained from NTP server (64 bits) -#define sntp_base (*((uint64_t*)RTC_STORE0)) -// Timer value when base was obtained -#define TIM_REF_SET(value) WRITE_PERI_REG(RTC_STORE2, value) -#define TIM_REF_GET() READ_PERI_REG(RTC_STORE2) - -// Setters and getters for CAL, TZ and DST. -#define RTC_CAL_SET(val) do {uint32 value = READ_PERI_REG(RTC_STORE3);\ - value |= ((val) & 0x0000FFFF);\ - WRITE_PERI_REG(RTC_STORE3, value);\ - }while(0) -#define RTC_DST_SET(val) do {uint32 value = READ_PERI_REG(RTC_STORE3);\ - value |= (((val)<<16) & 0x00010000);\ - WRITE_PERI_REG(RTC_STORE3, value);\ - }while(0) -#define RTC_TZ_SET(val) do {uint32 value = READ_PERI_REG(RTC_STORE3);\ - value |= (((val)<<24) & 0xFF000000);\ - WRITE_PERI_REG(RTC_STORE3, value);\ - }while(0) - -#define RTC_CAL_GET() (READ_PERI_REG(RTC_STORE3) & 0x0000FFFF) -#define RTC_DST_GET() ((READ_PERI_REG(RTC_STORE3) & 0x00010000)>>16) -#define RTC_TZ_GET() ((((int)READ_PERI_REG(RTC_STORE3)) & ((int)0xFF000000))>>24) -void system_update_rtc(time_t t, uint32_t us); -time_t sntp_get_rtc_time(sint32_t *us); - -int gettimeofday(struct timeval* t, void* timezone); -void updateTime(uint32 ms); -bool configTime(int timezone, int daylightOffset, char *server1, char *server2, char *server3, bool enable); -time_t time(time_t *t); -unsigned long millis(void); -unsigned long micros(void); -#endif /* TIME_H_ */ diff --git a/tools/sdk/lwip/include/lwip/arch.h b/tools/sdk/lwip/include/lwip/arch.h deleted file mode 100644 index 524af6be03..0000000000 --- a/tools/sdk/lwip/include/lwip/arch.h +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_ARCH_H__ -#define __LWIP_ARCH_H__ - -#ifndef LITTLE_ENDIAN -#define LITTLE_ENDIAN 1234 -#endif - -#ifndef BIG_ENDIAN -#define BIG_ENDIAN 4321 -#endif - -#include "arch/cc.h" - -/** Temporary: define format string for size_t if not defined in cc.h */ -#ifndef SZT_F -#define SZT_F U32_F -#endif /* SZT_F */ -/** Temporary upgrade helper: define format string for u8_t as hex if not - defined in cc.h */ -#ifndef X8_F -#define X8_F "02x" -#endif /* X8_F */ - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef PACK_STRUCT_BEGIN -#define PACK_STRUCT_BEGIN -#endif /* PACK_STRUCT_BEGIN */ - -#ifndef PACK_STRUCT_END -#define PACK_STRUCT_END -#endif /* PACK_STRUCT_END */ - -#ifndef PACK_STRUCT_FIELD -#define PACK_STRUCT_FIELD(x) x -#endif /* PACK_STRUCT_FIELD */ - - -#ifndef LWIP_UNUSED_ARG -#define LWIP_UNUSED_ARG(x) (void)x -#endif /* LWIP_UNUSED_ARG */ - - -#ifdef LWIP_PROVIDE_ERRNO - -#define EPERM 1 /* Operation not permitted */ -#define ENOENT 2 /* No such file or directory */ -#define ESRCH 3 /* No such process */ -#define EINTR 4 /* Interrupted system call */ -#define EIO 5 /* I/O error */ -#define ENXIO 6 /* No such device or address */ -#define E2BIG 7 /* Arg list too long */ -#define ENOEXEC 8 /* Exec format error */ -#define EBADF 9 /* Bad file number */ -#define ECHILD 10 /* No child processes */ -#define EAGAIN 11 /* Try again */ -#define ENOMEM 12 /* Out of memory */ -#define EACCES 13 /* Permission denied */ -#define EFAULT 14 /* Bad address */ -#define ENOTBLK 15 /* Block device required */ -#define EBUSY 16 /* Device or resource busy */ -#define EEXIST 17 /* File exists */ -#define EXDEV 18 /* Cross-device link */ -#define ENODEV 19 /* No such device */ -#define ENOTDIR 20 /* Not a directory */ -#define EISDIR 21 /* Is a directory */ -#define EINVAL 22 /* Invalid argument */ -#define ENFILE 23 /* File table overflow */ -#define EMFILE 24 /* Too many open files */ -#define ENOTTY 25 /* Not a typewriter */ -#define ETXTBSY 26 /* Text file busy */ -#define EFBIG 27 /* File too large */ -#define ENOSPC 28 /* No space left on device */ -#define ESPIPE 29 /* Illegal seek */ -#define EROFS 30 /* Read-only file system */ -#define EMLINK 31 /* Too many links */ -#define EPIPE 32 /* Broken pipe */ -#define EDOM 33 /* Math argument out of domain of func */ -#define ERANGE 34 /* Math result not representable */ -#define EDEADLK 35 /* Resource deadlock would occur */ -#define ENAMETOOLONG 36 /* File name too long */ -#define ENOLCK 37 /* No record locks available */ -#define ENOSYS 38 /* Function not implemented */ -#define ENOTEMPTY 39 /* Directory not empty */ -#define ELOOP 40 /* Too many symbolic links encountered */ -#define EWOULDBLOCK EAGAIN /* Operation would block */ -#define ENOMSG 42 /* No message of desired type */ -#define EIDRM 43 /* Identifier removed */ -#define ECHRNG 44 /* Channel number out of range */ -#define EL2NSYNC 45 /* Level 2 not synchronized */ -#define EL3HLT 46 /* Level 3 halted */ -#define EL3RST 47 /* Level 3 reset */ -#define ELNRNG 48 /* Link number out of range */ -#define EUNATCH 49 /* Protocol driver not attached */ -#define ENOCSI 50 /* No CSI structure available */ -#define EL2HLT 51 /* Level 2 halted */ -#define EBADE 52 /* Invalid exchange */ -#define EBADR 53 /* Invalid request descriptor */ -#define EXFULL 54 /* Exchange full */ -#define ENOANO 55 /* No anode */ -#define EBADRQC 56 /* Invalid request code */ -#define EBADSLT 57 /* Invalid slot */ - -#define EDEADLOCK EDEADLK - -#define EBFONT 59 /* Bad font file format */ -#define ENOSTR 60 /* Device not a stream */ -#define ENODATA 61 /* No data available */ -#define ETIME 62 /* Timer expired */ -#define ENOSR 63 /* Out of streams resources */ -#define ENONET 64 /* Machine is not on the network */ -#define ENOPKG 65 /* Package not installed */ -#define EREMOTE 66 /* Object is remote */ -#define ENOLINK 67 /* Link has been severed */ -#define EADV 68 /* Advertise error */ -#define ESRMNT 69 /* Srmount error */ -#define ECOMM 70 /* Communication error on send */ -#define EPROTO 71 /* Protocol error */ -#define EMULTIHOP 72 /* Multihop attempted */ -#define EDOTDOT 73 /* RFS specific error */ -#define EBADMSG 74 /* Not a data message */ -#define EOVERFLOW 75 /* Value too large for defined data type */ -#define ENOTUNIQ 76 /* Name not unique on network */ -#define EBADFD 77 /* File descriptor in bad state */ -#define EREMCHG 78 /* Remote address changed */ -#define ELIBACC 79 /* Can not access a needed shared library */ -#define ELIBBAD 80 /* Accessing a corrupted shared library */ -#define ELIBSCN 81 /* .lib section in a.out corrupted */ -#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ -#define ELIBEXEC 83 /* Cannot exec a shared library directly */ -#define EILSEQ 84 /* Illegal byte sequence */ -#define ERESTART 85 /* Interrupted system call should be restarted */ -#define ESTRPIPE 86 /* Streams pipe error */ -#define EUSERS 87 /* Too many users */ -#define ENOTSOCK 88 /* Socket operation on non-socket */ -#define EDESTADDRREQ 89 /* Destination address required */ -#define EMSGSIZE 90 /* Message too long */ -#define EPROTOTYPE 91 /* Protocol wrong type for socket */ -#define ENOPROTOOPT 92 /* Protocol not available */ -#define EPROTONOSUPPORT 93 /* Protocol not supported */ -#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ -#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ -#define EPFNOSUPPORT 96 /* Protocol family not supported */ -#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ -#define EADDRINUSE 98 /* Address already in use */ -#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ -#define ENETDOWN 100 /* Network is down */ -#define ENETUNREACH 101 /* Network is unreachable */ -#define ENETRESET 102 /* Network dropped connection because of reset */ -#define ECONNABORTED 103 /* Software caused connection abort */ -#define ECONNRESET 104 /* Connection reset by peer */ -#define ENOBUFS 105 /* No buffer space available */ -#define EISCONN 106 /* Transport endpoint is already connected */ -#define ENOTCONN 107 /* Transport endpoint is not connected */ -#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ -#define ETOOMANYREFS 109 /* Too many references: cannot splice */ -#define ETIMEDOUT 110 /* Connection timed out */ -#define ECONNREFUSED 111 /* Connection refused */ -#define EHOSTDOWN 112 /* Host is down */ -#define EHOSTUNREACH 113 /* No route to host */ -#define EALREADY 114 /* Operation already in progress */ -#define EINPROGRESS 115 /* Operation now in progress */ -#define ESTALE 116 /* Stale NFS file handle */ -#define EUCLEAN 117 /* Structure needs cleaning */ -#define ENOTNAM 118 /* Not a XENIX named type file */ -#define ENAVAIL 119 /* No XENIX semaphores available */ -#define EISNAM 120 /* Is a named type file */ -#define EREMOTEIO 121 /* Remote I/O error */ -#define EDQUOT 122 /* Quota exceeded */ - -#define ENOMEDIUM 123 /* No medium found */ -#define EMEDIUMTYPE 124 /* Wrong medium type */ - - -#define ENSROK 0 /* DNS server returned answer with no data */ -#define ENSRNODATA 160 /* DNS server returned answer with no data */ -#define ENSRFORMERR 161 /* DNS server claims query was misformatted */ -#define ENSRSERVFAIL 162 /* DNS server returned general failure */ -#define ENSRNOTFOUND 163 /* Domain name not found */ -#define ENSRNOTIMP 164 /* DNS server does not implement requested operation */ -#define ENSRREFUSED 165 /* DNS server refused query */ -#define ENSRBADQUERY 166 /* Misformatted DNS query */ -#define ENSRBADNAME 167 /* Misformatted domain name */ -#define ENSRBADFAMILY 168 /* Unsupported address family */ -#define ENSRBADRESP 169 /* Misformatted DNS reply */ -#define ENSRCONNREFUSED 170 /* Could not contact DNS servers */ -#define ENSRTIMEOUT 171 /* Timeout while contacting DNS servers */ -#define ENSROF 172 /* End of file */ -#define ENSRFILE 173 /* Error reading file */ -#define ENSRNOMEM 174 /* Out of memory */ -#define ENSRDESTRUCTION 175 /* Application terminated lookup */ -#define ENSRQUERYDOMAINTOOLONG 176 /* Domain name is too long */ -#define ENSRCNAMELOOP 177 /* Domain name is too long */ - -#ifndef errno -extern int errno; -#endif - -#endif /* LWIP_PROVIDE_ERRNO */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ARCH_H__ */ diff --git a/tools/sdk/lwip/include/lwip/autoip.h b/tools/sdk/lwip/include/lwip/autoip.h deleted file mode 100644 index 23c264a1e0..0000000000 --- a/tools/sdk/lwip/include/lwip/autoip.h +++ /dev/null @@ -1,119 +0,0 @@ -/** - * @file - * - * AutoIP Automatic LinkLocal IP Configuration - */ - -/* - * - * Copyright (c) 2007 Dominik Spies - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Dominik Spies - * - * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform - * with RFC 3927. - * - * - * Please coordinate changes and requests with Dominik Spies - * - */ - -#ifndef __LWIP_AUTOIP_H__ -#define __LWIP_AUTOIP_H__ - -#include "lwip/opt.h" - -#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netif.h" -#include "lwip/udp.h" -#include "netif/etharp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* AutoIP Timing */ -#define AUTOIP_TMR_INTERVAL 100 -#define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL) - -/* RFC 3927 Constants */ -#define PROBE_WAIT 1 /* second (initial random delay) */ -#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */ -#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */ -#define PROBE_NUM 3 /* (number of probe packets) */ -#define ANNOUNCE_NUM 2 /* (number of announcement packets) */ -#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */ -#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */ -#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */ -#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */ -#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */ - -/* AutoIP client states */ -#define AUTOIP_STATE_OFF 0 -#define AUTOIP_STATE_PROBING 1 -#define AUTOIP_STATE_ANNOUNCING 2 -#define AUTOIP_STATE_BOUND 3 - -struct autoip -{ - ip_addr_t llipaddr; /* the currently selected, probed, announced or used LL IP-Address */ - u8_t state; /* current AutoIP state machine state */ - u8_t sent_num; /* sent number of probes or announces, dependent on state */ - u16_t ttw; /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */ - u8_t lastconflict; /* ticks until a conflict can be solved by defending */ - u8_t tried_llipaddr; /* total number of probed/used Link Local IP-Addresses */ -}; - - -/** Init srand, has to be called before entering mainloop */ -void autoip_init(void); - -/** Set a struct autoip allocated by the application to work with */ -void autoip_set_struct(struct netif *netif, struct autoip *autoip); - -/** Start AutoIP client */ -err_t autoip_start(struct netif *netif); - -/** Stop AutoIP client */ -err_t autoip_stop(struct netif *netif); - -/** Handles every incoming ARP Packet, called by etharp_arp_input */ -void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr); - -/** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */ -void autoip_tmr(void); - -/** Handle a possible change in the network configuration */ -void autoip_network_changed(struct netif *netif); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_AUTOIP */ - -#endif /* __LWIP_AUTOIP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/debug.h b/tools/sdk/lwip/include/lwip/debug.h deleted file mode 100644 index 1950a3e2eb..0000000000 --- a/tools/sdk/lwip/include/lwip/debug.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_DEBUG_H__ -#define __LWIP_DEBUG_H__ - -#include "lwip/arch.h" - -/** lower two bits indicate debug level - * - 0 all - * - 1 warning - * - 2 serious - * - 3 severe - */ -#define LWIP_DBG_LEVEL_ALL 0x00 -#define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */ -#define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */ -#define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */ -#define LWIP_DBG_LEVEL_SEVERE 0x03 -#define LWIP_DBG_MASK_LEVEL 0x03 - -/** flag for LWIP_DEBUGF to enable that debug message */ -#define LWIP_DBG_ON 0x80U -/** flag for LWIP_DEBUGF to disable that debug message */ -#define LWIP_DBG_OFF 0x00U - -/** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ -#define LWIP_DBG_TRACE 0x40U -/** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ -#define LWIP_DBG_STATE 0x20U -/** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ -#define LWIP_DBG_FRESH 0x10U -/** flag for LWIP_DEBUGF to halt after printing this debug message */ -#define LWIP_DBG_HALT 0x08U - -#ifndef LWIP_NOASSERT -#define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \ - { LWIP_PLATFORM_ASSERT(message); } } while(0) -#else /* LWIP_NOASSERT */ -#define LWIP_ASSERT(message, assertion) -#endif /* LWIP_NOASSERT */ - -/** if "expression" isn't true, then print "message" and execute "handler" expression */ -#ifndef LWIP_ERROR -#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \ - LWIP_PLATFORM_ASSERT(message); handler;}} while(0) -#endif /* LWIP_ERROR */ - -#ifdef LWIP_DEBUG -/** print debug message only if debug message type is enabled... - * AND is of correct type AND is at least LWIP_DBG_LEVEL - */ -#define LWIP_DEBUGF(debug, message) do { \ - if ( \ - ((debug) & LWIP_DBG_ON) && \ - ((debug) & LWIP_DBG_TYPES_ON) && \ - ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \ - LWIP_PLATFORM_DIAG(message); \ - if ((debug) & LWIP_DBG_HALT) { \ - while(1); \ - } \ - } \ - } while(0) - -#else /* LWIP_DEBUG */ -#define LWIP_DEBUGF(debug, message) -#endif /* LWIP_DEBUG */ - -#endif /* __LWIP_DEBUG_H__ */ - diff --git a/tools/sdk/lwip/include/lwip/def.h b/tools/sdk/lwip/include/lwip/def.h deleted file mode 100644 index 9b6de6a8b8..0000000000 --- a/tools/sdk/lwip/include/lwip/def.h +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_DEF_H__ -#define __LWIP_DEF_H__ - -/* arch.h might define NULL already */ -#include "lwip/arch.h" -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define LWIP_MAX(x , y) (((x) > (y)) ? (x) : (y)) -#define LWIP_MIN(x , y) (((x) < (y)) ? (x) : (y)) - -#ifndef NULL -#define NULL ((void *)0) -#endif - -/** Get the absolute difference between 2 u32_t values (correcting overflows) - * 'a' is expected to be 'higher' (without overflow) than 'b'. */ -#define LWIP_U32_DIFF(a, b) (((a) >= (b)) ? ((a) - (b)) : (((a) + ((b) ^ 0xFFFFFFFF) + 1))) - -/* Endianess-optimized shifting of two u8_t to create one u16_t */ -#if BYTE_ORDER == LITTLE_ENDIAN -#define LWIP_MAKE_U16(a, b) ((a << 8) | b) -#else -#define LWIP_MAKE_U16(a, b) ((b << 8) | a) -#endif - -#ifndef LWIP_PLATFORM_BYTESWAP -#define LWIP_PLATFORM_BYTESWAP 0 -#endif - -#ifndef LWIP_PREFIX_BYTEORDER_FUNCS -/* workaround for naming collisions on some platforms */ - -#ifdef htons -#undef htons -#endif /* htons */ -#ifdef htonl -#undef htonl -#endif /* htonl */ -#ifdef ntohs -#undef ntohs -#endif /* ntohs */ -#ifdef ntohl -#undef ntohl -#endif /* ntohl */ - -#define htons(x) lwip_htons(x) -#define ntohs(x) lwip_ntohs(x) -#define htonl(x) lwip_htonl(x) -#define ntohl(x) lwip_ntohl(x) -#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */ - -#if BYTE_ORDER == BIG_ENDIAN -#define lwip_htons(x) (x) -#define lwip_ntohs(x) (x) -#define lwip_htonl(x) (x) -#define lwip_ntohl(x) (x) -#define PP_HTONS(x) (x) -#define PP_NTOHS(x) (x) -#define PP_HTONL(x) (x) -#define PP_NTOHL(x) (x) -#else /* BYTE_ORDER != BIG_ENDIAN */ -#if LWIP_PLATFORM_BYTESWAP -#define lwip_htons(x) LWIP_PLATFORM_HTONS(x) -#define lwip_ntohs(x) LWIP_PLATFORM_HTONS(x) -#define lwip_htonl(x) LWIP_PLATFORM_HTONL(x) -#define lwip_ntohl(x) LWIP_PLATFORM_HTONL(x) -#else /* LWIP_PLATFORM_BYTESWAP */ -u16_t lwip_htons(u16_t x); -u16_t lwip_ntohs(u16_t x); -u32_t lwip_htonl(u32_t x); -u32_t lwip_ntohl(u32_t x); -#endif /* LWIP_PLATFORM_BYTESWAP */ - -/* These macros should be calculated by the preprocessor and are used - with compile-time constants only (so that there is no little-endian - overhead at runtime). */ -#define PP_HTONS(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8)) -#define PP_NTOHS(x) PP_HTONS(x) -#define PP_HTONL(x) ((((x) & 0xff) << 24) | \ - (((x) & 0xff00) << 8) | \ - (((x) & 0xff0000UL) >> 8) | \ - (((x) & 0xff000000UL) >> 24)) -#define PP_NTOHL(x) PP_HTONL(x) - -#endif /* BYTE_ORDER == BIG_ENDIAN */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_DEF_H__ */ - diff --git a/tools/sdk/lwip/include/lwip/dhcp.h b/tools/sdk/lwip/include/lwip/dhcp.h deleted file mode 100644 index 9e8fd0ec28..0000000000 --- a/tools/sdk/lwip/include/lwip/dhcp.h +++ /dev/null @@ -1,252 +0,0 @@ -/** @file - */ - -#ifndef __LWIP_DHCP_H__ -#define __LWIP_DHCP_H__ - -#include "lwip/opt.h" - -#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netif.h" -#include "lwip/udp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** period (in seconds) of the application calling dhcp_coarse_tmr() */ -#define DHCP_COARSE_TIMER_SECS 60 -/** period (in milliseconds) of the application calling dhcp_coarse_tmr() */ -#define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL) -/** period (in milliseconds) of the application calling dhcp_fine_tmr() */ -#define DHCP_FINE_TIMER_MSECS 500 - -#define DHCP_CHADDR_LEN 16U -#define DHCP_SNAME_LEN 64U -#define DHCP_FILE_LEN 128U - -struct dhcp -{ - /** transaction identifier of last sent request */ - u32_t xid; - /** our connection to the DHCP server */ - struct udp_pcb *pcb; - /** incoming msg */ - struct dhcp_msg *msg_in; - /** current DHCP state machine state */ - u8_t state; - /** retries of current request */ - u8_t tries; -#if LWIP_DHCP_AUTOIP_COOP - u8_t autoip_coop_state; -#endif - u8_t subnet_mask_given; - - struct pbuf *p_out; /* pbuf of outcoming msg */ - struct dhcp_msg *msg_out; /* outgoing msg */ - u16_t options_out_len; /* outgoing msg options length */ - u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */ - u16_t t1_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */ - u16_t t2_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */ - ip_addr_t server_ip_addr; /* dhcp server address that offered this lease */ - ip_addr_t offered_ip_addr; - ip_addr_t offered_sn_mask; - ip_addr_t offered_gw_addr; - - u32_t offered_t0_lease; /* lease period (in seconds) */ - u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */ - u32_t offered_t2_rebind; /* recommended rebind time (usually 66% of lease period) */ - /* @todo: LWIP_DHCP_BOOTP_FILE configuration option? - integrate with possible TFTP-client for booting? */ -#define LWIP_DHCP_BOOTP_FILE 0 -#if LWIP_DHCP_BOOTP_FILE - ip_addr_t offered_si_addr; - char boot_file_name[DHCP_FILE_LEN]; -#endif /* LWIP_DHCP_BOOTPFILE */ -}; - -/* MUST be compiled with "pack structs" or equivalent! */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** minimum set of fields of any DHCP message */ -struct dhcp_msg -{ - PACK_STRUCT_FIELD(u8_t op); - PACK_STRUCT_FIELD(u8_t htype); - PACK_STRUCT_FIELD(u8_t hlen); - PACK_STRUCT_FIELD(u8_t hops); - PACK_STRUCT_FIELD(u32_t xid); - PACK_STRUCT_FIELD(u16_t secs); - PACK_STRUCT_FIELD(u16_t flags); - PACK_STRUCT_FIELD(ip_addr_p_t ciaddr); - PACK_STRUCT_FIELD(ip_addr_p_t yiaddr); - PACK_STRUCT_FIELD(ip_addr_p_t siaddr); - PACK_STRUCT_FIELD(ip_addr_p_t giaddr); - PACK_STRUCT_FIELD(u8_t chaddr[DHCP_CHADDR_LEN]); - PACK_STRUCT_FIELD(u8_t sname[DHCP_SNAME_LEN]); - PACK_STRUCT_FIELD(u8_t file[DHCP_FILE_LEN]); - PACK_STRUCT_FIELD(u32_t cookie); -#define DHCP_MIN_OPTIONS_LEN 68U -/** make sure user does not configure this too small */ -#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN)) -# undef DHCP_OPTIONS_LEN -#endif -/** allow this to be configured in lwipopts.h, but not too small */ -#if (!defined(DHCP_OPTIONS_LEN)) -/** set this to be sufficient for your options in outgoing DHCP msgs */ -# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN -#endif - PACK_STRUCT_FIELD(u8_t options[DHCP_OPTIONS_LEN]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -void dhcp_set_struct(struct netif *netif, struct dhcp *dhcp); -/** Remove a struct dhcp previously set to the netif using dhcp_set_struct() */ -#define dhcp_remove_struct(netif) do { (netif)->dhcp = NULL; } while(0) -void dhcp_cleanup(struct netif *netif); -/** start DHCP configuration */ -err_t dhcp_start(struct netif *netif); -/** enforce early lease renewal (not needed normally)*/ -err_t dhcp_renew(struct netif *netif); -/** release the DHCP lease, usually called before dhcp_stop()*/ -err_t dhcp_release(struct netif *netif); -/** stop DHCP configuration */ -void dhcp_stop(struct netif *netif); -/** inform server of our manual IP address */ -void dhcp_inform(struct netif *netif); -/** Handle a possible change in the network configuration */ -void dhcp_network_changed(struct netif *netif); - -/** if enabled, check whether the offered IP address is not in use, using ARP */ -#if DHCP_DOES_ARP_CHECK -void dhcp_arp_reply(struct netif *netif, ip_addr_t *addr); -#endif - -/** to be called every minute */ -void dhcp_coarse_tmr(void); -/** to be called every half second */ -void dhcp_fine_tmr(void); - -/** DHCP message item offsets and length */ -#define DHCP_OP_OFS 0 -#define DHCP_HTYPE_OFS 1 -#define DHCP_HLEN_OFS 2 -#define DHCP_HOPS_OFS 3 -#define DHCP_XID_OFS 4 -#define DHCP_SECS_OFS 8 -#define DHCP_FLAGS_OFS 10 -#define DHCP_CIADDR_OFS 12 -#define DHCP_YIADDR_OFS 16 -#define DHCP_SIADDR_OFS 20 -#define DHCP_GIADDR_OFS 24 -#define DHCP_CHADDR_OFS 28 -#define DHCP_SNAME_OFS 44 -#define DHCP_FILE_OFS 108 -#define DHCP_MSG_LEN 236 - -#define DHCP_COOKIE_OFS DHCP_MSG_LEN -#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4) - -#define DHCP_CLIENT_PORT 68 -#define DHCP_SERVER_PORT 67 - -/** DHCP client states */ -#define DHCP_OFF 0 -#define DHCP_REQUESTING 1 -#define DHCP_INIT 2 -#define DHCP_REBOOTING 3 -#define DHCP_REBINDING 4 -#define DHCP_RENEWING 5 -#define DHCP_SELECTING 6 -#define DHCP_INFORMING 7 -#define DHCP_CHECKING 8 -#define DHCP_PERMANENT 9 -#define DHCP_BOUND 10 -/** not yet implemented #define DHCP_RELEASING 11 */ -#define DHCP_BACKING_OFF 12 - -/** AUTOIP cooperatation flags */ -#define DHCP_AUTOIP_COOP_STATE_OFF 0 -#define DHCP_AUTOIP_COOP_STATE_ON 1 - -#define DHCP_BOOTREQUEST 1 -#define DHCP_BOOTREPLY 2 - -/** DHCP message types */ -#define DHCP_DISCOVER 1 -#define DHCP_OFFER 2 -#define DHCP_REQUEST 3 -#define DHCP_DECLINE 4 -#define DHCP_ACK 5 -#define DHCP_NAK 6 -#define DHCP_RELEASE 7 -#define DHCP_INFORM 8 - -/** DHCP hardware type, currently only ethernet is supported */ -#define DHCP_HTYPE_ETH 1 - -#define DHCP_MAGIC_COOKIE 0x63825363UL - -/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */ - -/** BootP options */ -#define DHCP_OPTION_PAD 0 -#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */ -#define DHCP_OPTION_ROUTER 3 -#define DHCP_OPTION_DNS_SERVER 6 -#define DHCP_OPTION_HOSTNAME 12 -#define DHCP_OPTION_IP_TTL 23 -#define DHCP_OPTION_MTU 26 -#define DHCP_OPTION_BROADCAST 28 -#define DHCP_OPTION_TCP_TTL 37 -#define DHCP_OPTION_END 255 - -/**add options for support more router by liuHan**/ -#define DHCP_OPTION_DOMAIN_NAME 15 -#define DHCP_OPTION_PRD 31 -#define DHCP_OPTION_STATIC_ROUTER 33 -#define DHCP_OPTION_VSN 43 -#define DHCP_OPTION_NB_TINS 44 -#define DHCP_OPTION_NB_TINT 46 -#define DHCP_OPTION_NB_TIS 47 -#define DHCP_OPTION_CLASSLESS_STATIC_ROUTER 121 -/** DHCP options */ -#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */ -#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */ -#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */ - -#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */ -#define DHCP_OPTION_MESSAGE_TYPE_LEN 1 - -#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */ -#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */ - -#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */ -#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2 - -#define DHCP_OPTION_T1 58 /* T1 renewal time */ -#define DHCP_OPTION_T2 59 /* T2 rebinding time */ -#define DHCP_OPTION_US 60 -#define DHCP_OPTION_CLIENT_ID 61 -#define DHCP_OPTION_TFTP_SERVERNAME 66 -#define DHCP_OPTION_BOOTFILE 67 - -/** possible combinations of overloading the file and sname fields with options */ -#define DHCP_OVERLOAD_NONE 0 -#define DHCP_OVERLOAD_FILE 1 -#define DHCP_OVERLOAD_SNAME 2 -#define DHCP_OVERLOAD_SNAME_FILE 3 - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_DHCP */ - -#endif /*__LWIP_DHCP_H__*/ diff --git a/tools/sdk/lwip/include/lwip/dns.h b/tools/sdk/lwip/include/lwip/dns.h deleted file mode 100644 index 6c7d9b0739..0000000000 --- a/tools/sdk/lwip/include/lwip/dns.h +++ /dev/null @@ -1,124 +0,0 @@ -/** - * lwip DNS resolver header file. - - * Author: Jim Pettinato - * April 2007 - - * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __LWIP_DNS_H__ -#define __LWIP_DNS_H__ - -#include "lwip/opt.h" - -#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */ - -#ifdef __cplusplus -extern "C" { -#endif - -/** DNS timer period */ -#define DNS_TMR_INTERVAL 1000 - -/** DNS field TYPE used for "Resource Records" */ -#define DNS_RRTYPE_A 1 /* a host address */ -#define DNS_RRTYPE_NS 2 /* an authoritative name server */ -#define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */ -#define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */ -#define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */ -#define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */ -#define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */ -#define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */ -#define DNS_RRTYPE_WKS 11 /* a well known service description */ -#define DNS_RRTYPE_PTR 12 /* a domain name pointer */ -#define DNS_RRTYPE_HINFO 13 /* host information */ -#define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */ -#define DNS_RRTYPE_MX 15 /* mail exchange */ -#define DNS_RRTYPE_TXT 16 /* text strings */ - -/** DNS field CLASS used for "Resource Records" */ -#define DNS_RRCLASS_IN 1 /* the Internet */ -#define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */ -#define DNS_RRCLASS_CH 3 /* the CHAOS class */ -#define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */ -#define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */ - -/* The size used for the next line is rather a hack, but it prevents including socket.h in all files - that include memp.h, and that would possibly break portability (since socket.h defines some types - and constants possibly already define by the OS). - Calculation rule: - sizeof(struct addrinfo) + sizeof(struct sockaddr_in) + DNS_MAX_NAME_LENGTH + 1 byte zero-termination */ -#define NETDB_ELEM_SIZE (32 + 16 + DNS_MAX_NAME_LENGTH + 1) - -#if DNS_LOCAL_HOSTLIST -/** struct used for local host-list */ -struct local_hostlist_entry { - /** static hostname */ - const char *name; - /** static host address in network byteorder */ - ip_addr_t addr; - struct local_hostlist_entry *next; -}; -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC -#ifndef DNS_LOCAL_HOSTLIST_MAX_NAMELEN -#define DNS_LOCAL_HOSTLIST_MAX_NAMELEN DNS_MAX_NAME_LENGTH -#endif -#define LOCALHOSTLIST_ELEM_SIZE ((sizeof(struct local_hostlist_entry) + DNS_LOCAL_HOSTLIST_MAX_NAMELEN + 1)) -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ -#endif /* DNS_LOCAL_HOSTLIST */ - -/** Callback which is invoked when a hostname is found. - * A function of this type must be implemented by the application using the DNS resolver. - * @param name pointer to the name that was looked up. - * @param ipaddr pointer to an ip_addr_t containing the IP address of the hostname, - * or NULL if the name could not be found (or on any other error). - * @param callback_arg a user-specified callback argument passed to dns_gethostbyname -*/ -typedef void (*dns_found_callback)(const char *name, ip_addr_t *ipaddr, void *callback_arg); - -void dns_init(void); -void dns_tmr(void); -void dns_setserver(u8_t numdns, ip_addr_t *dnsserver); -ip_addr_t dns_getserver(u8_t numdns); -err_t dns_gethostbyname(const char *hostname, ip_addr_t *addr, - dns_found_callback found, void *callback_arg); - -#if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC -int dns_local_removehost(const char *hostname, const ip_addr_t *addr); -err_t dns_local_addhost(const char *hostname, const ip_addr_t *addr); -#endif /* DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_DNS */ - -#endif /* __LWIP_DNS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/err.h b/tools/sdk/lwip/include/lwip/err.h deleted file mode 100644 index cb69a9f498..0000000000 --- a/tools/sdk/lwip/include/lwip/err.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_ERR_H__ -#define __LWIP_ERR_H__ - -#include "lwip/opt.h" -#include "lwip/arch.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Define LWIP_ERR_T in cc.h if you want to use - * a different type for your platform (must be signed). */ -#ifdef LWIP_ERR_T -typedef LWIP_ERR_T err_t; -#else /* LWIP_ERR_T */ -typedef s8_t err_t; -#endif /* LWIP_ERR_T*/ - -/* Definitions for error constants. */ - -#define ERR_OK 0 /* No error, everything OK. */ -#define ERR_MEM -1 /* Out of memory error. */ -#define ERR_BUF -2 /* Buffer error. */ -#define ERR_TIMEOUT -3 /* Timeout. */ -#define ERR_RTE -4 /* Routing problem. */ -#define ERR_INPROGRESS -5 /* Operation in progress */ -#define ERR_VAL -6 /* Illegal value. */ -#define ERR_WOULDBLOCK -7 /* Operation would block. */ - -#define ERR_IS_FATAL(e) ((e) < ERR_WOULDBLOCK) - -#define ERR_ABRT -8 /* Connection aborted. */ -#define ERR_RST -9 /* Connection reset. */ -#define ERR_CLSD -10 /* Connection closed. */ -#define ERR_CONN -11 /* Not connected. */ - -#define ERR_ARG -12 /* Illegal argument. */ - -#define ERR_USE -13 /* Address in use. */ - -#define ERR_IF -14 /* Low-level netif error */ -#define ERR_ISCONN -15 /* Already connected. */ - - -#ifdef LWIP_DEBUG -extern const char *lwip_strerr(err_t err)ICACHE_FLASH_ATTR; -#else -#define lwip_strerr(x) "" -#endif /* LWIP_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ERR_H__ */ diff --git a/tools/sdk/lwip/include/lwip/icmp.h b/tools/sdk/lwip/include/lwip/icmp.h deleted file mode 100644 index 9bcb7bc439..0000000000 --- a/tools/sdk/lwip/include/lwip/icmp.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_ICMP_H__ -#define __LWIP_ICMP_H__ - -#include "lwip/opt.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define ICMP_ER 0 /* echo reply */ -#define ICMP_DUR 3 /* destination unreachable */ -#define ICMP_SQ 4 /* source quench */ -#define ICMP_RD 5 /* redirect */ -#define ICMP_ECHO 8 /* echo */ -#define ICMP_TE 11 /* time exceeded */ -#define ICMP_PP 12 /* parameter problem */ -#define ICMP_TS 13 /* timestamp */ -#define ICMP_TSR 14 /* timestamp reply */ -#define ICMP_IRQ 15 /* information request */ -#define ICMP_IR 16 /* information reply */ - -enum icmp_dur_type { - ICMP_DUR_NET = 0, /* net unreachable */ - ICMP_DUR_HOST = 1, /* host unreachable */ - ICMP_DUR_PROTO = 2, /* protocol unreachable */ - ICMP_DUR_PORT = 3, /* port unreachable */ - ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */ - ICMP_DUR_SR = 5 /* source route failed */ -}; - -enum icmp_te_type { - ICMP_TE_TTL = 0, /* time to live exceeded in transit */ - ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */ -}; - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -/** This is the standard ICMP header only that the u32_t data - * is splitted to two u16_t like ICMP echo needs it. - * This header is also used for other ICMP types that do not - * use the data part. - * ¶¨ÒåICMP»ØËÍÇëÇó±¨ÎÄÊײ¿½á¹¹£¬ - * ÓÉÓÚËùÓÐICMP±¨ÎÄÊײ¿ÓкܴóÏàËÆÐÔ£¬ - * ¸Ã½á¹¹Í¬ÑùÊÊÓÃÓÚÆäËüICMP±¨ÎÄ¡£ - */ -PACK_STRUCT_BEGIN -struct icmp_echo_hdr { - PACK_STRUCT_FIELD(u8_t type); - PACK_STRUCT_FIELD(u8_t code); - PACK_STRUCT_FIELD(u16_t chksum); - PACK_STRUCT_FIELD(u16_t id); - PACK_STRUCT_FIELD(u16_t seqno); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -//¶ÁÈ¡ICMPÊײ¿ÖÐ×ֶΠ-#define ICMPH_TYPE(hdr) ((hdr)->type) -#define ICMPH_CODE(hdr) ((hdr)->code) - -/** Combines type and code to an u16_t ÏòICMP±¨ÎÄÊײ¿×Ö¶ÎÖÐдÈëÏàÓ¦Öµ*/ -#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t)) -#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c)) - - -#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ - -void icmp_input(struct pbuf *p, struct netif *inp)ICACHE_FLASH_ATTR; -void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t)ICACHE_FLASH_ATTR; -void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t)ICACHE_FLASH_ATTR; - -#endif /* LWIP_ICMP */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ICMP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/igmp.h b/tools/sdk/lwip/include/lwip/igmp.h deleted file mode 100644 index f0c9dea3fa..0000000000 --- a/tools/sdk/lwip/include/lwip/igmp.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2002 CITEL Technologies Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. -*/ - -#ifndef __LWIP_IGMP_H__ -#define __LWIP_IGMP_H__ - -#include "lwip/opt.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/pbuf.h" - -#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */ - -#ifdef __cplusplus -extern "C" { -#endif - - -/* IGMP timer */ -#define IGMP_TMR_INTERVAL 100 /* Milliseconds */ -#define IGMP_V1_DELAYING_MEMBER_TMR (1000/IGMP_TMR_INTERVAL) -#define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL) - -/* MAC Filter Actions, these are passed to a netif's - * igmp_mac_filter callback function. */ -#define IGMP_DEL_MAC_FILTER 0 -#define IGMP_ADD_MAC_FILTER 1 - - -/** - * igmp group structure - there is - * a list of groups for each interface - * these should really be linked from the interface, but - * if we keep them separate we will not affect the lwip original code - * too much - * - * There will be a group for the all systems group address but this - * will not run the state machine as it is used to kick off reports - * from all the other groups - */ -struct igmp_group { - /** next link */ - struct igmp_group *next; - /** interface on which the group is active */ - struct netif *netif; - /** multicast address */ - ip_addr_t group_address; - /** signifies we were the last person to report */ - u8_t last_reporter_flag; - /** current state of the group */ - u8_t group_state; - /** timer for reporting, negative is OFF */ - u16_t timer; - /** counter of simultaneous uses */ - u8_t use; -}; - -/* Prototypes */ -void igmp_init(void)ICACHE_FLASH_ATTR; -err_t igmp_start(struct netif *netif)ICACHE_FLASH_ATTR; -err_t igmp_stop(struct netif *netif)ICACHE_FLASH_ATTR; -void igmp_report_groups(struct netif *netif)ICACHE_FLASH_ATTR; -struct igmp_group *igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr)ICACHE_FLASH_ATTR; -void igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest)ICACHE_FLASH_ATTR; -err_t igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr)ICACHE_FLASH_ATTR; -err_t igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr)ICACHE_FLASH_ATTR; -void igmp_tmr(void)ICACHE_FLASH_ATTR; -#define LWIP_RAND() os_random() -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_IGMP */ - -#endif /* __LWIP_IGMP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/inet.h b/tools/sdk/lwip/include/lwip/inet.h deleted file mode 100644 index 7bff49b59e..0000000000 --- a/tools/sdk/lwip/include/lwip/inet.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_INET_H__ -#define __LWIP_INET_H__ - -#include "lwip/opt.h" -#include "lwip/def.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** For compatibility with BSD code */ -struct in_addr { - u32_t s_addr; -}; - -/** 255.255.255.255 */ -#define INADDR_NONE IPADDR_NONE -/** 127.0.0.1 */ -#define INADDR_LOOPBACK IPADDR_LOOPBACK -/** 0.0.0.0 */ -#define INADDR_ANY IPADDR_ANY -/** 255.255.255.255 */ -#define INADDR_BROADCAST IPADDR_BROADCAST - -/* Definitions of the bits in an Internet address integer. - - On subnets, host and network parts are found according to - the subnet mask, not these masks. */ -#define IN_CLASSA(a) IP_CLASSA(a) -#define IN_CLASSA_NET IP_CLASSA_NET -#define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT -#define IN_CLASSA_HOST IP_CLASSA_HOST -#define IN_CLASSA_MAX IP_CLASSA_MAX - -#define IN_CLASSB(b) IP_CLASSB(b) -#define IN_CLASSB_NET IP_CLASSB_NET -#define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT -#define IN_CLASSB_HOST IP_CLASSB_HOST -#define IN_CLASSB_MAX IP_CLASSB_MAX - -#define IN_CLASSC(c) IP_CLASSC(c) -#define IN_CLASSC_NET IP_CLASSC_NET -#define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT -#define IN_CLASSC_HOST IP_CLASSC_HOST -#define IN_CLASSC_MAX IP_CLASSC_MAX - -#define IN_CLASSD(d) IP_CLASSD(d) -#define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */ -#define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */ -#define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */ -#define IN_CLASSD_MAX IP_CLASSD_MAX - -#define IN_MULTICAST(a) IP_MULTICAST(a) - -#define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a) -#define IN_BADCLASS(a) IP_BADCLASS(a) - -#define IN_LOOPBACKNET IP_LOOPBACKNET - -#define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr)) -#define inet_addr_to_ipaddr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr)) -/* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */ -#define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr) ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr)) - -/* directly map this to the lwip internal functions */ -#define inet_addr(cp) ipaddr_addr(cp) -#define inet_aton(cp, addr) ipaddr_aton(cp, (ip_addr_t*)addr) -#define inet_ntoa(addr) ipaddr_ntoa((ip_addr_t*)&(addr)) -#define inet_ntoa_r(addr, buf, buflen) ipaddr_ntoa_r((ip_addr_t*)&(addr), buf, buflen) - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INET_H__ */ diff --git a/tools/sdk/lwip/include/lwip/inet_chksum.h b/tools/sdk/lwip/include/lwip/inet_chksum.h deleted file mode 100644 index 41be6415bc..0000000000 --- a/tools/sdk/lwip/include/lwip/inet_chksum.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_INET_CHKSUM_H__ -#define __LWIP_INET_CHKSUM_H__ - -#include "lwip/opt.h" - -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" - -/** Swap the bytes in an u16_t: much like htons() for little-endian */ -#ifndef SWAP_BYTES_IN_WORD -#if LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) -/* little endian and PLATFORM_BYTESWAP defined */ -#define SWAP_BYTES_IN_WORD(w) LWIP_PLATFORM_HTONS(w) -#else /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) */ -/* can't use htons on big endian (or PLATFORM_BYTESWAP not defined)... */ -#define SWAP_BYTES_IN_WORD(w) (((w) & 0xff) << 8) | (((w) & 0xff00) >> 8) -#endif /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)*/ -#endif /* SWAP_BYTES_IN_WORD */ - -/** Split an u32_t in two u16_ts and add them up */ -#ifndef FOLD_U32T -#define FOLD_U32T(u) (((u) >> 16) + ((u) & 0x0000ffffUL)) -#endif - -#if LWIP_CHECKSUM_ON_COPY -/** Function-like macro: same as MEMCPY but returns the checksum of copied data - as u16_t */ -#ifndef LWIP_CHKSUM_COPY -#define LWIP_CHKSUM_COPY(dst, src, len) lwip_chksum_copy(dst, src, len) -#ifndef LWIP_CHKSUM_COPY_ALGORITHM -#define LWIP_CHKSUM_COPY_ALGORITHM 1 -#endif /* LWIP_CHKSUM_COPY_ALGORITHM */ -#endif /* LWIP_CHKSUM_COPY */ -#else /* LWIP_CHECKSUM_ON_COPY */ -#define LWIP_CHKSUM_COPY_ALGORITHM 0 -#endif /* LWIP_CHECKSUM_ON_COPY */ - -#ifdef __cplusplus -extern "C" { -#endif - -u16_t inet_chksum(void *dataptr, u16_t len)ICACHE_FLASH_ATTR; -u16_t inet_chksum_pbuf(struct pbuf *p)ICACHE_FLASH_ATTR; -u16_t inet_chksum_pseudo(struct pbuf *p, - ip_addr_t *src, ip_addr_t *dest, - u8_t proto, u16_t proto_len)ICACHE_FLASH_ATTR; -u16_t inet_chksum_pseudo_partial(struct pbuf *p, - ip_addr_t *src, ip_addr_t *dest, - u8_t proto, u16_t proto_len, u16_t chksum_len)ICACHE_FLASH_ATTR; -#if LWIP_CHKSUM_COPY_ALGORITHM -u16_t lwip_chksum_copy(void *dst, const void *src, u16_t len)ICACHE_FLASH_ATTR; -#endif /* LWIP_CHKSUM_COPY_ALGORITHM */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INET_H__ */ - diff --git a/tools/sdk/lwip/include/lwip/init.h b/tools/sdk/lwip/include/lwip/init.h deleted file mode 100644 index 7a58aece9e..0000000000 --- a/tools/sdk/lwip/include/lwip/init.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_INIT_H__ -#define __LWIP_INIT_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** X.x.x: Major version of the stack */ -#define LWIP_VERSION_MAJOR 1U -/** x.X.x: Minor version of the stack */ -#define LWIP_VERSION_MINOR 4U -/** x.x.X: Revision of the stack */ -#define LWIP_VERSION_REVISION 0U -/** For release candidates, this is set to 1..254 - * For official releases, this is set to 255 (LWIP_RC_RELEASE) - * For development versions (CVS), this is set to 0 (LWIP_RC_DEVELOPMENT) */ -#define LWIP_VERSION_RC 2U - -/** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */ -#define LWIP_RC_RELEASE 255U -/** LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for CVS versions */ -#define LWIP_RC_DEVELOPMENT 0U - -#define LWIP_VERSION_IS_RELEASE (LWIP_VERSION_RC == LWIP_RC_RELEASE) -#define LWIP_VERSION_IS_DEVELOPMENT (LWIP_VERSION_RC == LWIP_RC_DEVELOPMENT) -#define LWIP_VERSION_IS_RC ((LWIP_VERSION_RC != LWIP_RC_RELEASE) && (LWIP_VERSION_RC != LWIP_RC_DEVELOPMENT)) - -/** Provides the version of the stack */ -#define LWIP_VERSION (LWIP_VERSION_MAJOR << 24 | LWIP_VERSION_MINOR << 16 | \ - LWIP_VERSION_REVISION << 8 | LWIP_VERSION_RC) - -/* Modules initialization */ -void lwip_init(void) ICACHE_FLASH_ATTR; -//void lwip_init(void); - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INIT_H__ */ diff --git a/tools/sdk/lwip/include/lwip/ip.h b/tools/sdk/lwip/include/lwip/ip.h deleted file mode 100644 index 1f361fa448..0000000000 --- a/tools/sdk/lwip/include/lwip/ip.h +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_IP_H__ -#define __LWIP_IP_H__ - -#include "lwip/opt.h" - -#include "lwip/def.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/err.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Currently, the function ip_output_if_opt() is only used with IGMP */ -#define IP_OPTIONS_SEND LWIP_IGMP - -#define IP_HLEN 20 - -#define IP_PROTO_ICMP 1 -#define IP_PROTO_IGMP 2 -#define IP_PROTO_UDP 17 -#define IP_PROTO_UDPLITE 136 -#define IP_PROTO_TCP 6 - -/* This is passed as the destination address to ip_output_if (not - to ip_output), meaning that an IP header already is constructed - in the pbuf. This is used when TCP retransmits. */ -#ifdef IP_HDRINCL -#undef IP_HDRINCL -#endif /* IP_HDRINCL */ -#define IP_HDRINCL NULL - -#if LWIP_NETIF_HWADDRHINT -#define IP_PCB_ADDRHINT ;u8_t addr_hint -#else -#define IP_PCB_ADDRHINT -#endif /* LWIP_NETIF_HWADDRHINT */ - -/* This is the common part of all PCB types. It needs to be at the - beginning of a PCB type definition. It is located here so that - changes to this common part are made in one location instead of - having to change all PCB structs. */ -#define IP_PCB \ - /* ip addresses in network byte order */ \ - ip_addr_t local_ip; \ - ip_addr_t remote_ip; \ - /* Socket options */ \ - u8_t so_options; \ - /* Type Of Service */ \ - u8_t tos; \ - /* Time To Live */ \ - u8_t ttl \ - /* link layer address resolution hint */ \ - IP_PCB_ADDRHINT - -struct ip_pcb { -/* Common members of all PCB types */ - IP_PCB; -}; - -/* - * Option flags per-socket. These are the same like SO_XXX. - */ -/*#define SOF_DEBUG (u8_t)0x01U Unimplemented: turn on debugging info recording */ -#define SOF_ACCEPTCONN (u8_t)0x02U /* socket has had listen() */ -#define SOF_REUSEADDR (u8_t)0x04U /* allow local address reuse */ -#define SOF_KEEPALIVE (u8_t)0x08U /* keep connections alive */ -/*#define SOF_DONTROUTE (u8_t)0x10U Unimplemented: just use interface addresses */ -#define SOF_BROADCAST (u8_t)0x20U /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ -/*#define SOF_USELOOPBACK (u8_t)0x40U Unimplemented: bypass hardware when possible */ -#define SOF_LINGER (u8_t)0x80U /* linger on close if data present */ -/*#define SOF_OOBINLINE (u16_t)0x0100U Unimplemented: leave received OOB data in line */ -/*#define SOF_REUSEPORT (u16_t)0x0200U Unimplemented: allow local address & port reuse */ - -/* These flags are inherited (e.g. from a listen-pcb to a connection-pcb): */ -#define SOF_INHERITED (SOF_REUSEADDR|SOF_KEEPALIVE|SOF_LINGER/*|SOF_DEBUG|SOF_DONTROUTE|SOF_OOBINLINE*/) - - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_hdr { - /* version / header length / type of service */ - PACK_STRUCT_FIELD(u16_t _v_hl_tos); - /* total length */ - PACK_STRUCT_FIELD(u16_t _len); - /* identification */ - PACK_STRUCT_FIELD(u16_t _id); - /* fragment offset field */ - PACK_STRUCT_FIELD(u16_t _offset); -#define IP_RF 0x8000 /* reserved fragment flag */ -#define IP_DF 0x4000 /* dont fragment flag */ -#define IP_MF 0x2000 /* more fragments flag */ -#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ - /* time to live */ - PACK_STRUCT_FIELD(u8_t _ttl); - /* protocol*/ - PACK_STRUCT_FIELD(u8_t _proto); - /* checksum */ - PACK_STRUCT_FIELD(u16_t _chksum); - /* source and destination IP addresses */ - PACK_STRUCT_FIELD(ip_addr_p_t src); - PACK_STRUCT_FIELD(ip_addr_p_t dest); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define IPH_V(hdr) (ntohs((hdr)->_v_hl_tos) >> 12) -#define IPH_HL(hdr) ((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f) -#define IPH_TOS(hdr) (ntohs((hdr)->_v_hl_tos) & 0xff) -#define IPH_LEN(hdr) ((hdr)->_len) -#define IPH_ID(hdr) ((hdr)->_id) -#define IPH_OFFSET(hdr) ((hdr)->_offset) -#define IPH_TTL(hdr) ((hdr)->_ttl) -#define IPH_PROTO(hdr) ((hdr)->_proto) -#define IPH_CHKSUM(hdr) ((hdr)->_chksum) - -#define IPH_VHLTOS_SET(hdr, v, hl, tos) (hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos))) -#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len) -#define IPH_ID_SET(hdr, id) (hdr)->_id = (id) -#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off) -#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl) -#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto) -#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum) - -/** The interface that provided the packet for the current callback invocation. */ -extern struct netif *current_netif; -/** Header of the input packet currently being processed. */ -extern const struct ip_hdr *current_header; -/** Source IP address of current_header */ -extern ip_addr_t current_iphdr_src; -/** Destination IP address of current_header */ -extern ip_addr_t current_iphdr_dest; - -#define ip_init() /* Compatibility define, not init needed. */ -struct netif *ip_route(ip_addr_t *dest)ICACHE_FLASH_ATTR; -struct netif *ip_router(ip_addr_t *dest, ip_addr_t *source); - -err_t ip_input(struct pbuf *p, struct netif *inp)ICACHE_FLASH_ATTR; -err_t ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto)ICACHE_FLASH_ATTR; -err_t ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto, - struct netif *netif)ICACHE_FLASH_ATTR; -#if LWIP_NETIF_HWADDRHINT -err_t ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint)ICACHE_FLASH_ATTR; -#endif /* LWIP_NETIF_HWADDRHINT */ -#if IP_OPTIONS_SEND -err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options, - u16_t optlen)ICACHE_FLASH_ATTR; -#endif /* IP_OPTIONS_SEND */ -/** Get the interface that received the current packet. - * This function must only be called from a receive callback (udp_recv, - * raw_recv, tcp_accept). It will return NULL otherwise. */ -#define ip_current_netif() (current_netif) -/** Get the IP header of the current packet. - * This function must only be called from a receive callback (udp_recv, - * raw_recv, tcp_accept). It will return NULL otherwise. */ -#define ip_current_header() (current_header) -/** Source IP address of current_header */ -#define ip_current_src_addr() (¤t_iphdr_src) -/** Destination IP address of current_header */ -#define ip_current_dest_addr() (¤t_iphdr_dest) - -#if IP_DEBUG -void ip_debug_print(struct pbuf *p)ICACHE_FLASH_ATTR; -#else -#define ip_debug_print(p) -#endif /* IP_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_H__ */ - - diff --git a/tools/sdk/lwip/include/lwip/ip_addr.h b/tools/sdk/lwip/include/lwip/ip_addr.h deleted file mode 100644 index cfc10f8095..0000000000 --- a/tools/sdk/lwip/include/lwip/ip_addr.h +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_IP_ADDR_H__ -#define __LWIP_IP_ADDR_H__ - -#include "lwip/opt.h" -#include "lwip/def.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* This is the aligned version of ip_addr_t, - used as local variable, on the stack, etc. */ -struct ip_addr { - u32_t addr; -}; - -/* This is the packed version of ip_addr_t, - used in network headers that are itself packed */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_addr_packed { - PACK_STRUCT_FIELD(u32_t addr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/** ip_addr_t uses a struct for convenience only, so that the same defines can - * operate both on ip_addr_t as well as on ip_addr_p_t. */ -typedef struct ip_addr ip_addr_t; -typedef struct ip_addr_packed ip_addr_p_t; - -/* - * struct ipaddr2 is used in the definition of the ARP packet format in - * order to support compilers that don't have structure packing. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_addr2 { - PACK_STRUCT_FIELD(u16_t addrw[2]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/* Forward declaration to not include netif.h */ -struct netif; - -extern const ip_addr_t ip_addr_any; -extern const ip_addr_t ip_addr_broadcast; - -/** IP_ADDR_ can be used as a fixed IP address - * for the wildcard and the broadcast address - */ -#define IP_ADDR_ANY ((ip_addr_t *)&ip_addr_any) -#define IP_ADDR_BROADCAST ((ip_addr_t *)&ip_addr_broadcast) - -/** 255.255.255.255 */ -#define IPADDR_NONE ((u32_t)0xffffffffUL) -/** 127.0.0.1 */ -#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL) -/** 0.0.0.0 */ -#define IPADDR_ANY ((u32_t)0x00000000UL) -/** 255.255.255.255 */ -#define IPADDR_BROADCAST ((u32_t)0xffffffffUL) - -/* Definitions of the bits in an Internet address integer. - - On subnets, host and network parts are found according to - the subnet mask, not these masks. */ -#define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0) -#define IP_CLASSA_NET 0xff000000 -#define IP_CLASSA_NSHIFT 24 -#define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET) -#define IP_CLASSA_MAX 128 - -#define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL) -#define IP_CLASSB_NET 0xffff0000 -#define IP_CLASSB_NSHIFT 16 -#define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET) -#define IP_CLASSB_MAX 65536 - -#define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL) -#define IP_CLASSC_NET 0xffffff00 -#define IP_CLASSC_NSHIFT 8 -#define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET) - -#define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL) -#define IP_CLASSD_NET 0xf0000000 /* These ones aren't really */ -#define IP_CLASSD_NSHIFT 28 /* net and host fields, but */ -#define IP_CLASSD_HOST 0x0fffffff /* routing needn't know. */ -#define IP_MULTICAST(a) IP_CLASSD(a) - -#define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL) -#define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL) - -#define IP_LOOPBACKNET 127 /* official! */ - - -#if BYTE_ORDER == BIG_ENDIAN -/** Set an IP address given by the four byte-parts */ -#define IP4_ADDR(ipaddr, a,b,c,d) \ - (ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \ - ((u32_t)((b) & 0xff) << 16) | \ - ((u32_t)((c) & 0xff) << 8) | \ - (u32_t)((d) & 0xff) -#else -/** Set an IP address given by the four byte-parts. - Little-endian version that prevents the use of htonl. */ -#define IP4_ADDR(ipaddr, a,b,c,d) \ - (ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \ - ((u32_t)((c) & 0xff) << 16) | \ - ((u32_t)((b) & 0xff) << 8) | \ - (u32_t)((a) & 0xff) -#endif - -/** MEMCPY-like copying of IP addresses where addresses are known to be - * 16-bit-aligned if the port is correctly configured (so a port could define - * this to copying 2 u16_t's) - no NULL-pointer-checking needed. */ -#ifndef IPADDR2_COPY -#define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip_addr_t)) -#endif - -/** Copy IP address - faster than ip_addr_set: no NULL check */ -#define ip_addr_copy(dest, src) ((dest).addr = (src).addr) -/** Safely copy one IP address to another (src may be NULL) */ -#define ip_addr_set(dest, src) ((dest)->addr = \ - ((src) == NULL ? 0 : \ - (src)->addr)) -/** Set complete address to zero */ -#define ip_addr_set_zero(ipaddr) ((ipaddr)->addr = 0) -/** Set address to IPADDR_ANY (no need for htonl()) */ -#define ip_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY) -/** Set address to loopback address */ -#define ip_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK)) -/** Safely copy one IP address to another and change byte order - * from host- to network-order. */ -#define ip_addr_set_hton(dest, src) ((dest)->addr = \ - ((src) == NULL ? 0:\ - htonl((src)->addr))) -/** IPv4 only: set the IP address given as an u32_t */ -#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32)) -/** IPv4 only: get the IP address as an u32_t */ -#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr) - -/** Get the network address by combining host address with netmask */ -#define ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr)) - -/** - * Determine if two address are on the same network. - * - * @arg addr1 IP address 1 - * @arg addr2 IP address 2 - * @arg mask network identifier mask - * @return !0 if the network identifiers of both address match - */ -#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \ - (mask)->addr) == \ - ((addr2)->addr & \ - (mask)->addr)) -#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr) - -#define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == IPADDR_ANY) - -#define ip_addr_isbroadcast(ipaddr, netif) ip4_addr_isbroadcast((ipaddr)->addr, (netif)) -u8_t ip4_addr_isbroadcast(u32_t addr, const struct netif *netif)ICACHE_FLASH_ATTR; - -#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr) -u8_t ip4_addr_netmask_valid(u32_t netmask)ICACHE_FLASH_ATTR; - -#define ip_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL)) - -#define ip_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL)) - -#define ip_addr_debug_print(debug, ipaddr) \ - LWIP_DEBUGF(debug, ("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, \ - ipaddr != NULL ? ip4_addr1_16(ipaddr) : 0, \ - ipaddr != NULL ? ip4_addr2_16(ipaddr) : 0, \ - ipaddr != NULL ? ip4_addr3_16(ipaddr) : 0, \ - ipaddr != NULL ? ip4_addr4_16(ipaddr) : 0)) - -/* Get one byte from the 4-byte address */ -#define ip4_addr1(ipaddr) (((u8_t*)(ipaddr))[0]) -#define ip4_addr2(ipaddr) (((u8_t*)(ipaddr))[1]) -#define ip4_addr3(ipaddr) (((u8_t*)(ipaddr))[2]) -#define ip4_addr4(ipaddr) (((u8_t*)(ipaddr))[3]) -/* These are cast to u16_t, with the intent that they are often arguments - * to printf using the U16_F format from cc.h. */ -#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr)) -#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr)) -#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr)) -#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr)) - -/** For backwards compatibility */ -#define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr) - -u32_t ipaddr_addr(const char *cp)ICACHE_FLASH_ATTR; -int ipaddr_aton(const char *cp, ip_addr_t *addr)ICACHE_FLASH_ATTR; -/** returns ptr to static buffer; not reentrant! */ -char *ipaddr_ntoa(const ip_addr_t *addr)ICACHE_FLASH_ATTR; -char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen)ICACHE_FLASH_ATTR; - -#define IP2STR(ipaddr) ip4_addr1_16(ipaddr), \ - ip4_addr2_16(ipaddr), \ - ip4_addr3_16(ipaddr), \ - ip4_addr4_16(ipaddr) - -#define IPSTR "%d.%d.%d.%d" - -struct ip_info { - struct ip_addr ip; - struct ip_addr netmask; - struct ip_addr gw; -}; -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_ADDR_H__ */ diff --git a/tools/sdk/lwip/include/lwip/ip_frag.h b/tools/sdk/lwip/include/lwip/ip_frag.h deleted file mode 100644 index df6db5f5c1..0000000000 --- a/tools/sdk/lwip/include/lwip/ip_frag.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Jani Monoses - * - */ - -#ifndef __LWIP_IP_FRAG_H__ -#define __LWIP_IP_FRAG_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/ip_addr.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if IP_REASSEMBLY -/* The IP reassembly timer interval in milliseconds. */ -#define IP_TMR_INTERVAL 1000 - -/* IP reassembly helper struct. - * This is exported because memp needs to know the size. - */ -struct ip_reassdata { - struct ip_reassdata *next; - struct pbuf *p; - struct ip_hdr iphdr; - u16_t datagram_len; - u8_t flags; - u8_t timer; -}; - -void ip_reass_init(void)ICACHE_FLASH_ATTR; -void ip_reass_tmr(void)ICACHE_FLASH_ATTR; -struct pbuf * ip_reass(struct pbuf *p)ICACHE_FLASH_ATTR; -#endif /* IP_REASSEMBLY */ - -#if IP_FRAG -#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF -/** A custom pbuf that holds a reference to another pbuf, which is freed - * when this custom pbuf is freed. This is used to create a custom PBUF_REF - * that points into the original pbuf. */ -struct pbuf_custom_ref { - /** 'base class' */ - struct pbuf_custom pc; - /** pointer to the original pbuf that is referenced */ - struct pbuf *original; -}; -#endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */ - -err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest)ICACHE_FLASH_ATTR; -#endif /* IP_FRAG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_FRAG_H__ */ diff --git a/tools/sdk/lwip/include/lwip/mdns.h b/tools/sdk/lwip/include/lwip/mdns.h deleted file mode 100644 index 78546bc8b2..0000000000 --- a/tools/sdk/lwip/include/lwip/mdns.h +++ /dev/null @@ -1,114 +0,0 @@ -/** - * lwip MDNS resolver header file. - * - * Created on: Jul 29, 2010 - * Author: Daniel Toma - - - * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __LWIP_MDNS_H__ -#define __LWIP_MDNS_H__ - -#include "lwip/opt.h" - -#if LWIP_MDNS /* don't build if not configured for use in lwipopts.h */ - -/** DNS timer period */ -#define DNS_TMR_INTERVAL 1000 - -/** mDNS Address offset flag*/ -#define DNS_OFFSET_FLAG 0xC0 /* the offset flag in the DNS message */ -#define DNS_DEFAULT_OFFSET 0x0C /* the offset is set at the beginning of the DNS message */ - -#define DNS_IP_ADDR_LEN 4 - - -/** DNS field TYPE used for "Resource Records" */ -#define DNS_RRTYPE_A 1 /* a host address */ -#define DNS_RRTYPE_NS 2 /* an authoritative name server */ -#define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */ -#define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */ -#define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */ -#define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */ -#define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */ -#define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */ -#define DNS_RRTYPE_WKS 11 /* a well known service description */ -#define DNS_RRTYPE_PTR 12 /* a domain name pointer */ -#define DNS_RRTYPE_HINFO 13 /* host information */ -#define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */ -#define DNS_RRTYPE_MX 15 /* mail exchange */ -#define DNS_RRTYPE_TXT 16 /* text strings */ -#define DNS_RRTYPE_SRV 33 /* Service record */ -#define DNS_RRTYPE_OPT 41 /* EDNS0 OPT record */ -#define DNS_RRTYPE_TSIG 250 /* Transaction Signature */ -#define DNS_RRTYPE_ANY 255 /*Not a DNS type, but a DNS query type, meaning "all types"*/ - -/* DNS field CLASS used for "Resource Records" */ -#define DNS_RRCLASS_IN 1 /* the Internet */ -#define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */ -#define DNS_RRCLASS_CH 3 /* the CHAOS class */ -#define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */ -#define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */ -#define DNS_RRCLASS_FLUSH_IN 0x8001/* Flush bit and Internet*/ - -/** Callback which is invoked when a hostname is found. - * A function of this type must be implemented by the application using the DNS resolver. - * @param name pointer to the name that was looked up. - * @param ipaddr pointer to a struct ip_addr containing the IP address of the hostname, - * or NULL if the name could not be found (or on any other error). - * @param callback_arg a user-specified callback argument passed to dns_gethostbyname -*/ -#ifndef _MDNS_INFO -#define _MDNS_INFO -struct mdns_info { - char *host_name; - char *server_name; - uint16 server_port; - unsigned long ipAddr; - char *txt_data[10]; -}; -#endif -//void mdns_enable(void); -//void mdns_disable(void); -//void mdns_init(struct mdns_info *info); -//void mdns_close(void); -//char* mdns_get_hostname(void); -//void mdns_set_hostname(char *name); -//void mdns_set_servername(const char *name); -//char* mdns_get_servername(void); -//void mdns_server_unregister(void); -//void mdns_server_register(void) ; -//void mdns_tmr(void); -//void Delay(unsigned long ulSeconds); - -#endif /* LWIP_MDNS */ - -#endif /* __LWIP_MDNS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/mem.h b/tools/sdk/lwip/include/lwip/mem.h deleted file mode 100644 index 3709bcdaab..0000000000 --- a/tools/sdk/lwip/include/lwip/mem.h +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_MEM_H__ -#define __LWIP_MEM_H__ - -#include "lwip/opt.h" -//#include "mem_manager.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if MEM_LIBC_MALLOC - -#include /* for size_t */ - -typedef size_t mem_size_t; - -/* aliases for C library malloc() */ -#define mem_init() -/* in case C library malloc() needs extra protection, - * allow these defines to be overridden. - */ -#ifndef mem_free -#define mem_free(p) vPortFree(p, "", 0) -#endif -#ifndef mem_malloc -#define mem_malloc(s) pvPortMalloc(s, "", 0) -#endif -#ifndef mem_calloc -#define mem_calloc(s) pvPortCalloc(s, "", 0) -#endif -#ifndef mem_realloc -#define mem_realloc(p, s) pvPortRealloc(p, s, "", 0) -#endif -#ifndef mem_zalloc -#define mem_zalloc(s) pvPortZalloc(s, "", 0) -#endif - -#ifndef os_malloc -#define os_malloc(s) mem_malloc((s)) -#endif -#ifndef os_realloc -#define os_realloc(p, s) mem_realloc((p), (s)) -#endif -#ifndef os_zalloc -#define os_zalloc(s) mem_zalloc((s)) -#endif -#ifndef os_free -#define os_free(p) mem_free((p)) -#endif - -/* Since there is no C library allocation function to shrink memory without - moving it, define this to nothing. */ -#ifndef mem_trim -#define mem_trim(mem, size) (mem) -#endif -#else /* MEM_LIBC_MALLOC */ - -/* MEM_SIZE would have to be aligned, but using 64000 here instead of - * 65535 leaves some room for alignment... - */ -#if MEM_SIZE > 64000l -typedef u32_t mem_size_t; -#define MEM_SIZE_F U32_F -#else -typedef u16_t mem_size_t; -#define MEM_SIZE_F U16_F -#endif /* MEM_SIZE > 64000 */ - -#if MEM_USE_POOLS -/** mem_init is not used when using pools instead of a heap */ -#define mem_init() -/** mem_trim is not used when using pools instead of a heap: - we can't free part of a pool element and don't want to copy the rest */ -#define mem_trim(mem, size) (mem) -#else /* MEM_USE_POOLS */ -/* lwIP alternative malloc */ -void mem_init(void)ICACHE_FLASH_ATTR; -void *mem_trim(void *mem, mem_size_t size)ICACHE_FLASH_ATTR; -#endif /* MEM_USE_POOLS */ -void *mem_malloc(mem_size_t size)ICACHE_FLASH_ATTR; -void *mem_calloc(mem_size_t count, mem_size_t size)ICACHE_FLASH_ATTR; -void mem_free(void *mem)ICACHE_FLASH_ATTR; -#endif /* MEM_LIBC_MALLOC */ - -/** Calculate memory size for an aligned buffer - returns the next highest - * multiple of MEM_ALIGNMENT (e.g. LWIP_MEM_ALIGN_SIZE(3) and - * LWIP_MEM_ALIGN_SIZE(4) will both yield 4 for MEM_ALIGNMENT == 4). - */ -#ifndef LWIP_MEM_ALIGN_SIZE -#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) -#endif - -/** Calculate safe memory size for an aligned buffer when using an unaligned - * type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the - * start (e.g. if buffer is u8_t[] and actual data will be u32_t*) - */ -#ifndef LWIP_MEM_ALIGN_BUFFER -#define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1)) -#endif - -/** Align a memory pointer to the alignment defined by MEM_ALIGNMENT - * so that ADDR % MEM_ALIGNMENT == 0 - */ -#ifndef LWIP_MEM_ALIGN -#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_MEM_H__ */ diff --git a/tools/sdk/lwip/include/lwip/memp.h b/tools/sdk/lwip/include/lwip/memp.h deleted file mode 100644 index 6a2127db23..0000000000 --- a/tools/sdk/lwip/include/lwip/memp.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#ifndef __LWIP_MEMP_H__ -#define __LWIP_MEMP_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */ -typedef enum { -#define LWIP_MEMPOOL(name,num,size,desc, attr) MEMP_##name, -#include "lwip/memp_std.h" - MEMP_MAX -} memp_t; - -#if MEM_USE_POOLS -/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */ -typedef enum { - /* Get the first (via: - MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/ - MEMP_POOL_HELPER_FIRST = ((u8_t) -#define LWIP_MEMPOOL(name,num,size,desc) -#define LWIP_MALLOC_MEMPOOL_START 1 -#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0 -#define LWIP_MALLOC_MEMPOOL_END -#include "lwip/memp_std.h" - ) , - /* Get the last (via: - MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */ - MEMP_POOL_HELPER_LAST = ((u8_t) -#define LWIP_MEMPOOL(name,num,size,desc) -#define LWIP_MALLOC_MEMPOOL_START -#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size * -#define LWIP_MALLOC_MEMPOOL_END 1 -#include "lwip/memp_std.h" - ) -} memp_pool_helper_t; - -/* The actual start and stop values are here (cast them over) - We use this helper type and these defines so we can avoid using const memp_t values */ -#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST) -#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST) -#endif /* MEM_USE_POOLS */ - -#if MEMP_MEM_MALLOC || MEM_USE_POOLS -extern const u32_t memp_sizes[MEMP_MAX]; -#endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */ - -#if MEMP_MEM_MALLOC - -#include "mem.h" - -#define memp_init() -#define memp_malloc(type) mem_malloc(memp_sizes[type]) -#define memp_free(type, mem) mem_free(mem) - -#else /* MEMP_MEM_MALLOC */ - -#if MEM_USE_POOLS -/** This structure is used to save the pool one element came from. */ -struct memp_malloc_helper -{ - memp_t poolnr; -}; -#endif /* MEM_USE_POOLS */ - -void memp_init(void)ICACHE_FLASH_ATTR; - -#if MEMP_OVERFLOW_CHECK -void *memp_malloc_fn(memp_t type, const char* file, const int line)ICACHE_FLASH_ATTR; -#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__) -#else -void *memp_malloc(memp_t type)ICACHE_FLASH_ATTR; -#endif -void memp_free(memp_t type, void *mem)ICACHE_FLASH_ATTR; - -#endif /* MEMP_MEM_MALLOC */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_MEMP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/memp_std.h b/tools/sdk/lwip/include/lwip/memp_std.h deleted file mode 100644 index b20a240535..0000000000 --- a/tools/sdk/lwip/include/lwip/memp_std.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * SETUP: Make sure we define everything we will need. - * - * We have create three types of pools: - * 1) MEMPOOL - standard pools - * 2) MALLOC_MEMPOOL - to be used by mem_malloc in mem.c - * 3) PBUF_MEMPOOL - a mempool of pbuf's, so include space for the pbuf struct - * - * If the include'r doesn't require any special treatment of each of the types - * above, then will declare #2 & #3 to be just standard mempools. - */ -#ifndef LWIP_MALLOC_MEMPOOL -/* This treats "malloc pools" just like any other pool. - The pools are a little bigger to provide 'size' as the amount of user data. */ -#define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + sizeof(struct memp_malloc_helper)), "MALLOC_"#size, attr) -#define LWIP_MALLOC_MEMPOOL_START -#define LWIP_MALLOC_MEMPOOL_END -#endif /* LWIP_MALLOC_MEMPOOL */ - -#ifndef LWIP_PBUF_MEMPOOL -/* This treats "pbuf pools" just like any other pool. - * Allocates buffers for a pbuf struct AND a payload size */ -#define LWIP_PBUF_MEMPOOL(name, num, payload, desc, attr) LWIP_MEMPOOL(name, num, (MEMP_ALIGN_SIZE(sizeof(struct pbuf)) + MEMP_ALIGN_SIZE(payload)), desc, attr) -#endif /* LWIP_PBUF_MEMPOOL */ - - -/* - * A list of internal pools used by LWIP. - * - * LWIP_MEMPOOL(pool_name, number_elements, element_size, pool_description) - * creates a pool name MEMP_pool_name. description is used in stats.c - */ -#if LWIP_RAW -LWIP_MEMPOOL(RAW_PCB, MEMP_NUM_RAW_PCB, sizeof(struct raw_pcb), "RAW_PCB", DMEM_ATTR) -#endif /* LWIP_RAW */ - -#if LWIP_UDP -LWIP_MEMPOOL(UDP_PCB, MEMP_NUM_UDP_PCB, sizeof(struct udp_pcb), "UDP_PCB", DMEM_ATTR) -#endif /* LWIP_UDP */ - -#if LWIP_TCP -LWIP_MEMPOOL(TCP_PCB, MEMP_NUM_TCP_PCB, sizeof(struct tcp_pcb), "TCP_PCB", DMEM_ATTR) -LWIP_MEMPOOL(TCP_PCB_LISTEN, MEMP_NUM_TCP_PCB_LISTEN, sizeof(struct tcp_pcb_listen), "TCP_PCB_LISTEN", DMEM_ATTR) -LWIP_MEMPOOL(TCP_SEG, MEMP_NUM_TCP_SEG, sizeof(struct tcp_seg), "TCP_SEG", DMEM_ATTR) -#endif /* LWIP_TCP */ - -#if IP_REASSEMBLY -LWIP_MEMPOOL(REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip_reassdata), "REASSDATA", DMEM_ATTR) -#endif /* IP_REASSEMBLY */ -#if IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF -LWIP_MEMPOOL(FRAG_PBUF, MEMP_NUM_FRAG_PBUF, sizeof(struct pbuf_custom_ref),"FRAG_PBUF", DMEM_ATTR) -#endif /* IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */ - -#if LWIP_NETCONN -LWIP_MEMPOOL(NETBUF, MEMP_NUM_NETBUF, sizeof(struct netbuf), "NETBUF") -LWIP_MEMPOOL(NETCONN, MEMP_NUM_NETCONN, sizeof(struct netconn), "NETCONN") -#endif /* LWIP_NETCONN */ - -#if NO_SYS==0 -LWIP_MEMPOOL(TCPIP_MSG_API, MEMP_NUM_TCPIP_MSG_API, sizeof(struct tcpip_msg), "TCPIP_MSG_API") -#if !LWIP_TCPIP_CORE_LOCKING_INPUT -LWIP_MEMPOOL(TCPIP_MSG_INPKT,MEMP_NUM_TCPIP_MSG_INPKT, sizeof(struct tcpip_msg), "TCPIP_MSG_INPKT") -#endif /* !LWIP_TCPIP_CORE_LOCKING_INPUT */ -#endif /* NO_SYS==0 */ - -#if ARP_QUEUEING -LWIP_MEMPOOL(ARP_QUEUE, MEMP_NUM_ARP_QUEUE, sizeof(struct etharp_q_entry), "ARP_QUEUE", DMEM_ATTR) -#endif /* ARP_QUEUEING */ - -#if LWIP_IGMP -LWIP_MEMPOOL(IGMP_GROUP, MEMP_NUM_IGMP_GROUP, sizeof(struct igmp_group), "IGMP_GROUP", DMEM_ATTR) -#endif /* LWIP_IGMP */ - -#if (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) /* LWIP_TIMERS */ -LWIP_MEMPOOL(SYS_TIMEOUT, MEMP_NUM_SYS_TIMEOUT, sizeof(struct sys_timeo), "SYS_TIMEOUT", DMEM_ATTR) -#endif /* LWIP_TIMERS */ - -#if LWIP_SNMP -LWIP_MEMPOOL(SNMP_ROOTNODE, MEMP_NUM_SNMP_ROOTNODE, sizeof(struct mib_list_rootnode), "SNMP_ROOTNODE") -LWIP_MEMPOOL(SNMP_NODE, MEMP_NUM_SNMP_NODE, sizeof(struct mib_list_node), "SNMP_NODE") -LWIP_MEMPOOL(SNMP_VARBIND, MEMP_NUM_SNMP_VARBIND, sizeof(struct snmp_varbind), "SNMP_VARBIND") -LWIP_MEMPOOL(SNMP_VALUE, MEMP_NUM_SNMP_VALUE, SNMP_MAX_VALUE_SIZE, "SNMP_VALUE") -#endif /* LWIP_SNMP */ -#if LWIP_DNS && LWIP_SOCKET -LWIP_MEMPOOL(NETDB, MEMP_NUM_NETDB, NETDB_ELEM_SIZE, "NETDB") -#endif /* LWIP_DNS && LWIP_SOCKET */ -#if LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC -LWIP_MEMPOOL(LOCALHOSTLIST, MEMP_NUM_LOCALHOSTLIST, LOCALHOSTLIST_ELEM_SIZE, "LOCALHOSTLIST") -#endif /* LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ -#if PPP_SUPPORT && PPPOE_SUPPORT -LWIP_MEMPOOL(PPPOE_IF, MEMP_NUM_PPPOE_INTERFACES, sizeof(struct pppoe_softc), "PPPOE_IF") -#endif /* PPP_SUPPORT && PPPOE_SUPPORT */ - -/* - * A list of pools of pbuf's used by LWIP. - * - * LWIP_PBUF_MEMPOOL(pool_name, number_elements, pbuf_payload_size, pool_description) - * creates a pool name MEMP_pool_name. description is used in stats.c - * This allocates enough space for the pbuf struct and a payload. - * (Example: pbuf_payload_size=0 allocates only size for the struct) - */ -LWIP_PBUF_MEMPOOL(PBUF, MEMP_NUM_PBUF, 0, "PBUF_REF/ROM", DMEM_ATTR) - -/* XXX: need to align to 4 byte as memp strcut is 4-byte long. otherwise will crash */ -#define LWIP_MEM_ALIGN4_SIZE(size) (((size) + 4 - 1) & ~(4-1)) - -LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE, LWIP_MEM_ALIGN4_SIZE(PBUF_POOL_BUFSIZE), "PBUF_POOL", DMEM_ATTR) - - -/* - * Allow for user-defined pools; this must be explicitly set in lwipopts.h - * since the default is to NOT look for lwippools.h - */ -#if MEMP_USE_CUSTOM_POOLS -#include "lwippools.h" -#endif /* MEMP_USE_CUSTOM_POOLS */ - -/* - * REQUIRED CLEANUP: Clear up so we don't get "multiply defined" error later - * (#undef is ignored for something that is not defined) - */ -#undef LWIP_MEMPOOL -#undef LWIP_MALLOC_MEMPOOL -#undef LWIP_MALLOC_MEMPOOL_START -#undef LWIP_MALLOC_MEMPOOL_END -#undef LWIP_PBUF_MEMPOOL diff --git a/tools/sdk/lwip/include/lwip/netbuf.h b/tools/sdk/lwip/include/lwip/netbuf.h deleted file mode 100644 index b554a579d4..0000000000 --- a/tools/sdk/lwip/include/lwip/netbuf.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_NETBUF_H__ -#define __LWIP_NETBUF_H__ - -#include "lwip/opt.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** This netbuf has dest-addr/port set */ -#define NETBUF_FLAG_DESTADDR 0x01 -/** This netbuf includes a checksum */ -#define NETBUF_FLAG_CHKSUM 0x02 - -struct netbuf { - struct pbuf *p, *ptr; - ip_addr_t addr; - u16_t port; -#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY -#if LWIP_CHECKSUM_ON_COPY - u8_t flags; -#endif /* LWIP_CHECKSUM_ON_COPY */ - u16_t toport_chksum; -#if LWIP_NETBUF_RECVINFO - ip_addr_t toaddr; -#endif /* LWIP_NETBUF_RECVINFO */ -#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */ -}; - -/* Network buffer functions: */ -struct netbuf * netbuf_new (void)ICACHE_FLASH_ATTR; -void netbuf_delete (struct netbuf *buf)ICACHE_FLASH_ATTR; -void * netbuf_alloc (struct netbuf *buf, u16_t size)ICACHE_FLASH_ATTR; -void netbuf_free (struct netbuf *buf)ICACHE_FLASH_ATTR; -err_t netbuf_ref (struct netbuf *buf, - const void *dataptr, u16_t size)ICACHE_FLASH_ATTR; -void netbuf_chain (struct netbuf *head, - struct netbuf *tail)ICACHE_FLASH_ATTR; - -err_t netbuf_data (struct netbuf *buf, - void **dataptr, u16_t *len)ICACHE_FLASH_ATTR; -s8_t netbuf_next (struct netbuf *buf)ICACHE_FLASH_ATTR; -void netbuf_first (struct netbuf *buf)ICACHE_FLASH_ATTR; - - -#define netbuf_copy_partial(buf, dataptr, len, offset) \ - pbuf_copy_partial((buf)->p, (dataptr), (len), (offset)) -#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0) -#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len) -#define netbuf_len(buf) ((buf)->p->tot_len) -#define netbuf_fromaddr(buf) (&((buf)->addr)) -#define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr) -#define netbuf_fromport(buf) ((buf)->port) -#if LWIP_NETBUF_RECVINFO -#define netbuf_destaddr(buf) (&((buf)->toaddr)) -#define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr) -#define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0) -#endif /* LWIP_NETBUF_RECVINFO */ -#if LWIP_CHECKSUM_ON_COPY -#define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \ - (buf)->toport_chksum = chksum; } while(0) -#endif /* LWIP_CHECKSUM_ON_COPY */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_NETBUF_H__ */ diff --git a/tools/sdk/lwip/include/lwip/netdb.h b/tools/sdk/lwip/include/lwip/netdb.h deleted file mode 100644 index 7587e2f2d1..0000000000 --- a/tools/sdk/lwip/include/lwip/netdb.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Simon Goldschmidt - * - */ -#ifndef __LWIP_NETDB_H__ -#define __LWIP_NETDB_H__ - -#include "lwip/opt.h" - -#if LWIP_DNS && LWIP_SOCKET - -#include /* for size_t */ - -#include "lwip/inet.h" -#include "lwip/sockets.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* some rarely used options */ -#ifndef LWIP_DNS_API_DECLARE_H_ERRNO -#define LWIP_DNS_API_DECLARE_H_ERRNO 1 -#endif - -#ifndef LWIP_DNS_API_DEFINE_ERRORS -#define LWIP_DNS_API_DEFINE_ERRORS 1 -#endif - -#ifndef LWIP_DNS_API_DECLARE_STRUCTS -#define LWIP_DNS_API_DECLARE_STRUCTS 1 -#endif - -#if LWIP_DNS_API_DEFINE_ERRORS -/** Errors used by the DNS API functions, h_errno can be one of them */ -#define EAI_NONAME 200 -#define EAI_SERVICE 201 -#define EAI_FAIL 202 -#define EAI_MEMORY 203 - -#define HOST_NOT_FOUND 210 -#define NO_DATA 211 -#define NO_RECOVERY 212 -#define TRY_AGAIN 213 -#endif /* LWIP_DNS_API_DEFINE_ERRORS */ - -#if LWIP_DNS_API_DECLARE_STRUCTS -struct hostent { - char *h_name; /* Official name of the host. */ - char **h_aliases; /* A pointer to an array of pointers to alternative host names, - terminated by a null pointer. */ - int h_addrtype; /* Address type. */ - int h_length; /* The length, in bytes, of the address. */ - char **h_addr_list; /* A pointer to an array of pointers to network addresses (in - network byte order) for the host, terminated by a null pointer. */ -#define h_addr h_addr_list[0] /* for backward compatibility */ -}; - -struct addrinfo { - int ai_flags; /* Input flags. */ - int ai_family; /* Address family of socket. */ - int ai_socktype; /* Socket type. */ - int ai_protocol; /* Protocol of socket. */ - socklen_t ai_addrlen; /* Length of socket address. */ - struct sockaddr *ai_addr; /* Socket address of socket. */ - char *ai_canonname; /* Canonical name of service location. */ - struct addrinfo *ai_next; /* Pointer to next in list. */ -}; -#endif /* LWIP_DNS_API_DECLARE_STRUCTS */ - -#if LWIP_DNS_API_DECLARE_H_ERRNO -/* application accessable error code set by the DNS API functions */ -extern int h_errno; -#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/ - -struct hostent *lwip_gethostbyname(const char *name); -int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf, - size_t buflen, struct hostent **result, int *h_errnop); -void lwip_freeaddrinfo(struct addrinfo *ai); -int lwip_getaddrinfo(const char *nodename, - const char *servname, - const struct addrinfo *hints, - struct addrinfo **res); - -#if LWIP_COMPAT_SOCKETS -#define gethostbyname(name) lwip_gethostbyname(name) -#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \ - lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop) -#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo) -#define getaddrinfo(nodname, servname, hints, res) \ - lwip_getaddrinfo(nodname, servname, hints, res) -#endif /* LWIP_COMPAT_SOCKETS */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_DNS && LWIP_SOCKET */ - -#endif /* __LWIP_NETDB_H__ */ diff --git a/tools/sdk/lwip/include/lwip/netif.h b/tools/sdk/lwip/include/lwip/netif.h deleted file mode 100644 index 04e4f7a0a0..0000000000 --- a/tools/sdk/lwip/include/lwip/netif.h +++ /dev/null @@ -1,320 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_NETIF_H__ -#define __LWIP_NETIF_H__ - -#include "lwip/opt.h" - -#define ENABLE_LOOPBACK (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF) - -#include "lwip/err.h" - -#include "lwip/ip_addr.h" - -#include "lwip/def.h" -#include "lwip/pbuf.h" -#if LWIP_DHCP -struct dhcp; -#endif -#if LWIP_AUTOIP -struct autoip; -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* Throughout this file, IP addresses are expected to be in - * the same byte order as in IP_PCB. */ - -/** must be the maximum of all used hardware address lengths - across all types of interfaces in use */ -#define NETIF_MAX_HWADDR_LEN 6U - -/** Whether the network interface is 'up'. This is - * a software flag used to control whether this network - * interface is enabled and processes traffic. - * It is set by the startup code (for static IP configuration) or - * by dhcp/autoip when an address has been assigned. - */ -#define NETIF_FLAG_UP 0x01U -/** If set, the netif has broadcast capability. - * Set by the netif driver in its init function. */ -#define NETIF_FLAG_BROADCAST 0x02U -/** If set, the netif is one end of a point-to-point connection. - * Set by the netif driver in its init function. */ -#define NETIF_FLAG_POINTTOPOINT 0x04U -/** If set, the interface is configured using DHCP. - * Set by the DHCP code when starting or stopping DHCP. */ -#define NETIF_FLAG_DHCP 0x08U -/** If set, the interface has an active link - * (set by the network interface driver). - * Either set by the netif driver in its init function (if the link - * is up at that time) or at a later point once the link comes up - * (if link detection is supported by the hardware). */ -#define NETIF_FLAG_LINK_UP 0x10U -/** If set, the netif is an ethernet device using ARP. - * Set by the netif driver in its init function. - * Used to check input packet types and use of DHCP. */ -#define NETIF_FLAG_ETHARP 0x20U -/** If set, the netif is an ethernet device. It might not use - * ARP or TCP/IP if it is used for PPPoE only. - */ -#define NETIF_FLAG_ETHERNET 0x40U -/** If set, the netif has IGMP capability. - * Set by the netif driver in its init function. */ -#define NETIF_FLAG_IGMP 0x80U - -/** Function prototype for netif init functions. Set up flags and output/linkoutput - * callback functions in this function. - * - * @param netif The netif to initialize - */ -typedef err_t (*netif_init_fn)(struct netif *netif); -/** Function prototype for netif->input functions. This function is saved as 'input' - * callback function in the netif struct. Call it when a packet has been received. - * - * @param p The received packet, copied into a pbuf - * @param inp The netif which received the packet - */ -typedef err_t (*netif_input_fn)(struct pbuf *p, struct netif *inp); -/** Function prototype for netif->output functions. Called by lwIP when a packet - * shall be sent. For ethernet netif, set this to 'etharp_output' and set - * 'linkoutput'. - * - * @param netif The netif which shall send a packet - * @param p The packet to send (p->payload points to IP header) - * @param ipaddr The IP address to which the packet shall be sent - */ -typedef err_t (*netif_output_fn)(struct netif *netif, struct pbuf *p, - ip_addr_t *ipaddr); -/** Function prototype for netif->linkoutput functions. Only used for ethernet - * netifs. This function is called by ARP when a packet shall be sent. - * - * @param netif The netif which shall send a packet - * @param p The packet to send (raw ethernet packet) - */ -typedef err_t (*netif_linkoutput_fn)(struct netif *netif, struct pbuf *p); -/** Function prototype for netif status- or link-callback functions. */ -typedef void (*netif_status_callback_fn)(struct netif *netif); -/** Function prototype for netif igmp_mac_filter functions */ -typedef err_t (*netif_igmp_mac_filter_fn)(struct netif *netif, - ip_addr_t *group, u8_t action); - -/*add DHCP event processing by LiuHan*/ -typedef void (*dhcp_event_fn)(void); - -/** Generic data structure used for all lwIP network interfaces. - * The following fields should be filled in by the initialization - * function for the device driver: hwaddr_len, hwaddr[], mtu, flags */ -struct netif { - /** pointer to next in linked list */ - struct netif *next; - - /** IP address configuration in network byte order */ - ip_addr_t ip_addr; - ip_addr_t netmask; - ip_addr_t gw; - - /** This function is called by the network device driver - * to pass a packet up the TCP/IP stack. ÏòIP²ãÊäÈëÊý¾Ý°ü*/ - netif_input_fn input; - /** This function is called by the IP module when it wants - * to send a packet on the interface. This function typically - * first resolves the hardware address, then sends the packet. ·¢ËÍIPÊý¾Ý°ü*/ - netif_output_fn output; - /** This function is called by the ARP module when it wants - * to send a packet on the interface. This function outputs - * the pbuf as-is on the link medium. µ×²ãÊý¾Ý°ü·¢ËÍ*/ - netif_linkoutput_fn linkoutput; -#if LWIP_NETIF_STATUS_CALLBACK - /** This function is called when the netif state is set to up or down - */ - netif_status_callback_fn status_callback; -#endif /* LWIP_NETIF_STATUS_CALLBACK */ -#if LWIP_NETIF_LINK_CALLBACK - /** This function is called when the netif link is set to up or down - */ - netif_status_callback_fn link_callback; -#endif /* LWIP_NETIF_LINK_CALLBACK */ - /** This field can be set by the device driver and could point - * to state information for the device. ×ÔÓÉÉèÖÃ×ֶΣ¬±ÈÈçÖ¸Ïòµ×²ãÉ豸Ïà¹ØÐÅÏ¢*/ - void *state; -#if LWIP_DHCP - /** the DHCP client state information for this netif */ - struct dhcp *dhcp; - struct udp_pcb *dhcps_pcb; //dhcps - dhcp_event_fn dhcp_event; -#endif /* LWIP_DHCP */ -#if LWIP_AUTOIP - /** the AutoIP client state information for this netif */ - struct autoip *autoip; -#endif -#if LWIP_NETIF_HOSTNAME - /* the hostname for this netif, NULL is a valid value */ - char* hostname; -#endif /* LWIP_NETIF_HOSTNAME */ - /** maximum transfer unit (in bytes) ¸Ã½Ó¿ÚÔÊÐíµÄ×î´óÊý¾Ý°ü³¤¶È£¬¶àÊÇ1500*/ - u16_t mtu; - /** number of bytes used in hwaddr¸Ã½Ó¿ÚÎïÀíµØÖ·³¤¶È */ - u8_t hwaddr_len; - /** link level hardware address of this interface ¸Ã½Ó¿ÚÎïÀíµØÖ·*/ - u8_t hwaddr[NETIF_MAX_HWADDR_LEN]; - /** flags (see NETIF_FLAG_ above) ¸Ã½Ó¿Ú״̬¡¢ÊôÐÔ×Ö¶Î*/ - u8_t flags; - /** descriptive abbreviation ¸Ã½Ó¿ÚµÄÃû×Ö*/ - char name[2]; - /** number of this interface ¸Ã½Ó¿ÚµÄ±àºÅ*/ - u8_t num; -#if LWIP_SNMP - /** link type (from "snmp_ifType" enum from snmp.h) */ - u8_t link_type; - /** (estimate) link speed */ - u32_t link_speed; - /** timestamp at last change made (up/down) */ - u32_t ts; - /** counters */ - u32_t ifinoctets; - u32_t ifinucastpkts; - u32_t ifinnucastpkts; - u32_t ifindiscards; - u32_t ifoutoctets; - u32_t ifoutucastpkts; - u32_t ifoutnucastpkts; - u32_t ifoutdiscards; -#endif /* LWIP_SNMP */ -#if LWIP_IGMP - /** This function could be called to add or delete a entry in the multicast - filter table of the ethernet MAC.*/ - netif_igmp_mac_filter_fn igmp_mac_filter; -#endif /* LWIP_IGMP */ -#if LWIP_NETIF_HWADDRHINT - u8_t *addr_hint; -#endif /* LWIP_NETIF_HWADDRHINT */ -#if ENABLE_LOOPBACK - /* List of packets to be queued for ourselves. Ö¸Ïò·¢Ë͸ø×Ô¼ºµÄÊý¾Ý°üµÄpbuf*/ - struct pbuf *loop_first;//µÚÒ»¸ö - struct pbuf *loop_last;//×îºóÒ»¸ö -#if LWIP_LOOPBACK_MAX_PBUFS - u16_t loop_cnt_current; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ -#endif /* ENABLE_LOOPBACK */ -}; - -#if LWIP_SNMP -#define NETIF_INIT_SNMP(netif, type, speed) \ - /* use "snmp_ifType" enum from snmp.h for "type", snmp_ifType_ethernet_csmacd by example */ \ - (netif)->link_type = (type); \ - /* your link speed here (units: bits per second) */ \ - (netif)->link_speed = (speed); \ - (netif)->ts = 0; \ - (netif)->ifinoctets = 0; \ - (netif)->ifinucastpkts = 0; \ - (netif)->ifinnucastpkts = 0; \ - (netif)->ifindiscards = 0; \ - (netif)->ifoutoctets = 0; \ - (netif)->ifoutucastpkts = 0; \ - (netif)->ifoutnucastpkts = 0; \ - (netif)->ifoutdiscards = 0 -#else /* LWIP_SNMP */ -#define NETIF_INIT_SNMP(netif, type, speed) -#endif /* LWIP_SNMP */ - - -/** The list of network interfaces. */ -extern struct netif *netif_list; -/** The default network interface. */ -extern struct netif *netif_default; - -void netif_init(void)ICACHE_FLASH_ATTR; - -struct netif *netif_add(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask, - ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input)ICACHE_FLASH_ATTR; - -void -netif_set_addr(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask, - ip_addr_t *gw)ICACHE_FLASH_ATTR; -void netif_remove(struct netif * netif)ICACHE_FLASH_ATTR; - -/* Returns a network interface given its name. The name is of the form - "et0", where the first two letters are the "name" field in the - netif structure, and the digit is in the num field in the same - structure. */ -struct netif *netif_find(char *name)ICACHE_FLASH_ATTR; - -void netif_set_default(struct netif *netif)ICACHE_FLASH_ATTR; - -void netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -void netif_set_netmask(struct netif *netif, ip_addr_t *netmask)ICACHE_FLASH_ATTR; -void netif_set_gw(struct netif *netif, ip_addr_t *gw)ICACHE_FLASH_ATTR; - -void netif_set_up(struct netif *netif)ICACHE_FLASH_ATTR; -void netif_set_down(struct netif *netif)ICACHE_FLASH_ATTR; -/** Ask if an interface is up */ -#define netif_is_up(netif) (((netif)->flags & NETIF_FLAG_UP) ? (u8_t)1 : (u8_t)0) - -#if LWIP_NETIF_STATUS_CALLBACK -void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback)ICACHE_FLASH_ATTR; -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -void netif_set_link_up(struct netif *netif)ICACHE_FLASH_ATTR; -void netif_set_link_down(struct netif *netif)ICACHE_FLASH_ATTR; -/** Ask if a link is up */ -#define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0) - -#if LWIP_NETIF_LINK_CALLBACK -void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback)ICACHE_FLASH_ATTR; -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -#if LWIP_NETIF_HOSTNAME -#define netif_set_hostname(netif, name) do { if((netif) != NULL) { (netif)->hostname = name; }}while(0) -#define netif_get_hostname(netif) (((netif) != NULL) ? ((netif)->hostname) : NULL) -#endif /* LWIP_NETIF_HOSTNAME */ - -#if LWIP_IGMP -#define netif_set_igmp_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->igmp_mac_filter = function; }}while(0) -#define netif_get_igmp_mac_filter(netif) (((netif) != NULL) ? ((netif)->igmp_mac_filter) : NULL) -#endif /* LWIP_IGMP */ - -#if ENABLE_LOOPBACK -err_t netif_loop_output(struct netif *netif, struct pbuf *p, ip_addr_t *dest_ip)ICACHE_FLASH_ATTR; -void netif_poll(struct netif *netif)ICACHE_FLASH_ATTR; -#if !LWIP_NETIF_LOOPBACK_MULTITHREADING -void netif_poll_all(void)ICACHE_FLASH_ATTR; -#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_NETIF_H__ */ diff --git a/tools/sdk/lwip/include/lwip/netifapi.h b/tools/sdk/lwip/include/lwip/netifapi.h deleted file mode 100644 index 33318efaf6..0000000000 --- a/tools/sdk/lwip/include/lwip/netifapi.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -#ifndef __LWIP_NETIFAPI_H__ -#define __LWIP_NETIFAPI_H__ - -#include "lwip/opt.h" - -#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sys.h" -#include "lwip/netif.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef void (*netifapi_void_fn)(struct netif *netif); -typedef err_t (*netifapi_errt_fn)(struct netif *netif); - -struct netifapi_msg_msg { -#if !LWIP_TCPIP_CORE_LOCKING - sys_sem_t sem; -#endif /* !LWIP_TCPIP_CORE_LOCKING */ - err_t err; - struct netif *netif; - union { - struct { - ip_addr_t *ipaddr; - ip_addr_t *netmask; - ip_addr_t *gw; - void *state; - netif_init_fn init; - netif_input_fn input; - } add; - struct { - netifapi_void_fn voidfunc; - netifapi_errt_fn errtfunc; - } common; - } msg; -}; - -struct netifapi_msg { - void (* function)(struct netifapi_msg_msg *msg); - struct netifapi_msg_msg msg; -}; - - -/* API for application */ -err_t netifapi_netif_add ( struct netif *netif, - ip_addr_t *ipaddr, - ip_addr_t *netmask, - ip_addr_t *gw, - void *state, - netif_init_fn init, - netif_input_fn input); - -err_t netifapi_netif_set_addr ( struct netif *netif, - ip_addr_t *ipaddr, - ip_addr_t *netmask, - ip_addr_t *gw ); - -err_t netifapi_netif_common ( struct netif *netif, - netifapi_void_fn voidfunc, - netifapi_errt_fn errtfunc); - -#define netifapi_netif_remove(n) netifapi_netif_common(n, netif_remove, NULL) -#define netifapi_netif_set_up(n) netifapi_netif_common(n, netif_set_up, NULL) -#define netifapi_netif_set_down(n) netifapi_netif_common(n, netif_set_down, NULL) -#define netifapi_netif_set_default(n) netifapi_netif_common(n, netif_set_default, NULL) -#define netifapi_dhcp_start(n) netifapi_netif_common(n, NULL, dhcp_start) -#define netifapi_dhcp_stop(n) netifapi_netif_common(n, dhcp_stop, NULL) -#define netifapi_autoip_start(n) netifapi_netif_common(n, NULL, autoip_start) -#define netifapi_autoip_stop(n) netifapi_netif_common(n, NULL, autoip_stop) - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETIF_API */ - -#endif /* __LWIP_NETIFAPI_H__ */ diff --git a/tools/sdk/lwip/include/lwip/opt.h b/tools/sdk/lwip/include/lwip/opt.h deleted file mode 100644 index 0d2b3fcc5f..0000000000 --- a/tools/sdk/lwip/include/lwip/opt.h +++ /dev/null @@ -1,2043 +0,0 @@ -/** - * @file - * - * lwIP Options Configuration - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_OPT_H__ -#define __LWIP_OPT_H__ - -/* - * Include user defined options first. Anything not defined in these files - * will be set to standard values. Override anything you dont like! - */ -#include "lwipopts.h" -#include "lwip/debug.h" - -/* - ----------------------------------------------- - ---------- Platform specific locking ---------- - ----------------------------------------------- -*/ - -/** - * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain - * critical regions during buffer allocation, deallocation and memory - * allocation and deallocation. - */ -#ifndef SYS_LIGHTWEIGHT_PROT -#define SYS_LIGHTWEIGHT_PROT 0 -#endif - -/** - * NO_SYS==1: Provides VERY minimal functionality. Otherwise, - * use lwIP facilities. - */ -#ifndef NO_SYS -#define NO_SYS 1 -#endif - -/** - * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1 - * Mainly for compatibility to old versions. - */ -#ifndef NO_SYS_NO_TIMERS -#define NO_SYS_NO_TIMERS 1 -#endif - -/** - * MEMCPY: override this if you have a faster implementation at hand than the - * one included in your C library - */ -#ifndef MEMCPY -#define MEMCPY(dst,src,len) memcpy(dst,src,len) -#endif - -/** - * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a - * call to memcpy() if the length is known at compile time and is small. - */ -#ifndef SMEMCPY -#define SMEMCPY(dst,src,len) memcpy(dst,src,len) -#endif - -/* - ------------------------------------ - ---------- Memory options ---------- - ------------------------------------ -*/ -/** - * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library - * instead of the lwip internal allocator. Can save code size if you - * already use it. - */ -#ifndef MEM_LIBC_MALLOC -#define MEM_LIBC_MALLOC 0 -#endif - -/** -* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. -* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution -* speed and usage from interrupts! -*/ -#ifndef MEMP_MEM_MALLOC -#define MEMP_MEM_MALLOC 0 -#endif - -/** - * MEM_ALIGNMENT: should be set to the alignment of the CPU - * 4 byte alignment -> #define MEM_ALIGNMENT 4 - * 2 byte alignment -> #define MEM_ALIGNMENT 2 - */ -#ifndef MEM_ALIGNMENT -#define MEM_ALIGNMENT 1 -#endif - -/** - * MEM_SIZE: the size of the heap memory. If the application will send - * a lot of data that needs to be copied, this should be set high. - */ -#ifndef MEM_SIZE -#define MEM_SIZE 1600 -#endif - -/** - * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array. - * This can be used to individually change the location of each pool. - * Default is one big array for all pools - */ -#ifndef MEMP_SEPARATE_POOLS -#define MEMP_SEPARATE_POOLS 0 -#endif - -/** - * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable - * amount of bytes before and after each memp element in every pool and fills - * it with a prominent default value. - * MEMP_OVERFLOW_CHECK == 0 no checking - * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed - * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time - * memp_malloc() or memp_free() is called (useful but slow!) - */ -#ifndef MEMP_OVERFLOW_CHECK -#define MEMP_OVERFLOW_CHECK 0 -#endif - -/** - * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make - * sure that there are no cycles in the linked lists. - */ -#ifndef MEMP_SANITY_CHECK -#define MEMP_SANITY_CHECK 0 -#endif - -/** - * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set - * of memory pools of various sizes. When mem_malloc is called, an element of - * the smallest pool that can provide the length needed is returned. - * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. - */ -#ifndef MEM_USE_POOLS -#define MEM_USE_POOLS 0 -#endif - -/** - * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next - * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more - * reliable. */ -#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL -#define MEM_USE_POOLS_TRY_BIGGER_POOL 0 -#endif - -/** - * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h - * that defines additional pools beyond the "standard" ones required - * by lwIP. If you set this to 1, you must have lwippools.h in your - * inlude path somewhere. - */ -#ifndef MEMP_USE_CUSTOM_POOLS -#define MEMP_USE_CUSTOM_POOLS 0 -#endif - -/** - * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from - * interrupt context (or another context that doesn't allow waiting for a - * semaphore). - * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, - * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs - * with each loop so that mem_free can run. - * - * ATTENTION: As you can see from the above description, this leads to dis-/ - * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc - * can need longer. - * - * If you don't want that, at least for NO_SYS=0, you can still use the following - * functions to enqueue a deallocation call which then runs in the tcpip_thread - * context: - * - pbuf_free_callback(p); - * - mem_free_callback(m); - */ -#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT -#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 -#endif - -/* - ------------------------------------------------ - ---------- Internal Memory Pool Sizes ---------- - ------------------------------------------------ -*/ -/** - * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). - * If the application sends a lot of data out of ROM (or other static memory), - * this should be set high. - */ -#ifndef MEMP_NUM_PBUF -#define MEMP_NUM_PBUF 16 -#endif - -/** - * MEMP_NUM_RAW_PCB: Number of raw connection PCBs - * (requires the LWIP_RAW option) - */ -#ifndef MEMP_NUM_RAW_PCB -#define MEMP_NUM_RAW_PCB 4 -#endif - -/** - * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One - * per active UDP "connection". - * (requires the LWIP_UDP option) - */ -#ifndef MEMP_NUM_UDP_PCB -#define MEMP_NUM_UDP_PCB 4 -#endif - -/** - * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB -#define MEMP_NUM_TCP_PCB 5 -#endif - -/** - * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB_LISTEN -#define MEMP_NUM_TCP_PCB_LISTEN 8 -#endif - -/** - * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_SEG -#define MEMP_NUM_TCP_SEG 16 -#endif - -/** - * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for - * reassembly (whole packets, not fragments!) - */ -#ifndef MEMP_NUM_REASSDATA -#define MEMP_NUM_REASSDATA 5 -#endif - -/** - * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent - * (fragments, not whole packets!). - * This is only used with IP_FRAG_USES_STATIC_BUF==0 and - * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs - * where the packet is not yet sent when netif->output returns. - */ -#ifndef MEMP_NUM_FRAG_PBUF -#define MEMP_NUM_FRAG_PBUF 15 -#endif - -/** - * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing - * packets (pbufs) that are waiting for an ARP request (to resolve - * their destination address) to finish. - * (requires the ARP_QUEUEING option) - */ -#ifndef MEMP_NUM_ARP_QUEUE -#define MEMP_NUM_ARP_QUEUE 30 -#endif - -/** - * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces - * can be members et the same time (one per netif - allsystems group -, plus one - * per netif membership). - * (requires the LWIP_IGMP option) - */ -#ifndef MEMP_NUM_IGMP_GROUP -#define MEMP_NUM_IGMP_GROUP 8 -#endif - -/** - * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. - * (requires NO_SYS==0) - */ -#ifndef MEMP_NUM_SYS_TIMEOUT -#define MEMP_NUM_SYS_TIMEOUT 3 -#endif - -/** - * MEMP_NUM_NETBUF: the number of struct netbufs. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETBUF -#define MEMP_NUM_NETBUF 2 -#endif - -/** - * MEMP_NUM_NETCONN: the number of struct netconns. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETCONN -#define MEMP_NUM_NETCONN 4 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used - * for callback/timeout API communication. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_API -#define MEMP_NUM_TCPIP_MSG_API 8 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used - * for incoming packets. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_INPKT -#define MEMP_NUM_TCPIP_MSG_INPKT 8 -#endif - -/** - * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree. - */ -#ifndef MEMP_NUM_SNMP_NODE -#define MEMP_NUM_SNMP_NODE 50 -#endif - -/** - * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree. - * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least! - */ -#ifndef MEMP_NUM_SNMP_ROOTNODE -#define MEMP_NUM_SNMP_ROOTNODE 30 -#endif - -/** - * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to - * be changed normally) - 2 of these are used per request (1 for input, - * 1 for output) - */ -#ifndef MEMP_NUM_SNMP_VARBIND -#define MEMP_NUM_SNMP_VARBIND 2 -#endif - -/** - * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used - * (does not have to be changed normally) - 3 of these are used per request - * (1 for the value read and 2 for OIDs - input and output) - */ -#ifndef MEMP_NUM_SNMP_VALUE -#define MEMP_NUM_SNMP_VALUE 3 -#endif - -/** - * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls - * (before freeing the corresponding memory using lwip_freeaddrinfo()). - */ -#ifndef MEMP_NUM_NETDB -#define MEMP_NUM_NETDB 1 -#endif - -/** - * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list - * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1. - */ -#ifndef MEMP_NUM_LOCALHOSTLIST -#define MEMP_NUM_LOCALHOSTLIST 1 -#endif - -/** - * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE - * interfaces (only used with PPPOE_SUPPORT==1) - */ -#ifndef MEMP_NUM_PPPOE_INTERFACES -#define MEMP_NUM_PPPOE_INTERFACES 1 -#endif - -/** - * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. - */ -#ifndef PBUF_POOL_SIZE -#define PBUF_POOL_SIZE 16 -#endif - -/* - --------------------------------- - ---------- ARP options ---------- - --------------------------------- -*/ -/** - * LWIP_ARP==1: Enable ARP functionality. - */ -#ifndef LWIP_ARP -#define LWIP_ARP 1 -#endif - -/** - * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. - */ -#ifndef ARP_TABLE_SIZE -#define ARP_TABLE_SIZE 10 -#endif - -/** - * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address - * resolution. By default, only the most recent packet is queued per IP address. - * This is sufficient for most protocols and mainly reduces TCP connection - * startup time. Set this to 1 if you know your application sends more than one - * packet in a row to an IP address that is not in the ARP cache. - */ -#ifndef ARP_QUEUEING -#define ARP_QUEUEING 0 -#endif - -/** - * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be - * updated with the source MAC and IP addresses supplied in the packet. - * You may want to disable this if you do not trust LAN peers to have the - * correct addresses, or as a limited approach to attempt to handle - * spoofing. If disabled, lwIP will need to make a new ARP request if - * the peer is not already in the ARP table, adding a little latency. - * The peer *is* in the ARP table if it requested our address before. - * Also notice that this slows down input processing of every IP packet! - */ -#ifndef ETHARP_TRUST_IP_MAC -#define ETHARP_TRUST_IP_MAC 0 -#endif - -/** - * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header. - * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. - * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. - * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. - */ -#ifndef ETHARP_SUPPORT_VLAN -#define ETHARP_SUPPORT_VLAN 0 -#endif - -/** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP - * might be disabled - */ -#ifndef LWIP_ETHERNET -#define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT) -#endif - -/** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure - * alignment of payload after that header. Since the header is 14 bytes long, - * without this padding e.g. addresses in the IP header will not be aligned - * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms. - */ -#ifndef ETH_PAD_SIZE -#define ETH_PAD_SIZE 0 -#endif - -/** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table - * entries (using etharp_add_static_entry/etharp_remove_static_entry). - */ -#ifndef ETHARP_SUPPORT_STATIC_ENTRIES -#define ETHARP_SUPPORT_STATIC_ENTRIES 0 -#endif - - -/* - -------------------------------- - ---------- IP options ---------- - -------------------------------- -*/ -/** - * IP_FORWARD==1: Enables the ability to forward IP packets across network - * interfaces. If you are going to run lwIP on a device with only one network - * interface, define this to 0. - */ -#ifndef IP_FORWARD -#define IP_FORWARD 0 -#endif - -/** - * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. - * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. - * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). - */ -#ifndef IP_OPTIONS_ALLOWED -#define IP_OPTIONS_ALLOWED 1 -#endif - -/** - * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that - * this option does not affect outgoing packet sizes, which can be controlled - * via IP_FRAG. - */ -#ifndef IP_REASSEMBLY -#define IP_REASSEMBLY 0 -#endif - -/** - * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note - * that this option does not affect incoming packet sizes, which can be - * controlled via IP_REASSEMBLY. - */ -#ifndef IP_FRAG -#define IP_FRAG 1 -#endif - -/** - * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) - * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived - * in this time, the whole packet is discarded. - */ -#ifndef IP_REASS_MAXAGE -#define IP_REASS_MAXAGE 3 -#endif - -/** - * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. - * Since the received pbufs are enqueued, be sure to configure - * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive - * packets even if the maximum amount of fragments is enqueued for reassembly! - */ -#ifndef IP_REASS_MAX_PBUFS -#define IP_REASS_MAX_PBUFS 10 -#endif - -/** - * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP - * fragmentation. Otherwise pbufs are allocated and reference the original - * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1, - * new PBUF_RAM pbufs are used for fragments). - * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs! - */ -#ifndef IP_FRAG_USES_STATIC_BUF -#define IP_FRAG_USES_STATIC_BUF 0 -#endif - -/** - * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer - * (requires IP_FRAG_USES_STATIC_BUF==1) - */ -#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) -#define IP_FRAG_MAX_MTU 1500 -#endif - -/** - * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. - */ -#ifndef IP_DEFAULT_TTL -#define IP_DEFAULT_TTL 255 -#endif - -/** - * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast - * filter per pcb on udp and raw send operations. To enable broadcast filter - * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. - */ -#ifndef IP_SOF_BROADCAST -#define IP_SOF_BROADCAST 0 -#endif - -/** - * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast - * filter on recv operations. - */ -#ifndef IP_SOF_BROADCAST_RECV -#define IP_SOF_BROADCAST_RECV 0 -#endif - -/* - ---------------------------------- - ---------- ICMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_ICMP==1: Enable ICMP module inside the IP stack. - * Be careful, disable that make your product non-compliant to RFC1122 - */ -#ifndef LWIP_ICMP -#define LWIP_ICMP 1 -#endif - -/** - * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. - */ -#ifndef ICMP_TTL -#define ICMP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) - */ -#ifndef LWIP_BROADCAST_PING -#define LWIP_BROADCAST_PING 0 -#endif - -/** - * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) - */ -#ifndef LWIP_MULTICAST_PING -#define LWIP_MULTICAST_PING 0 -#endif - -/* - --------------------------------- - ---------- RAW options ---------- - --------------------------------- -*/ -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef LWIP_RAW -#define LWIP_RAW 1 -#endif - -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef RAW_TTL -#define RAW_TTL (IP_DEFAULT_TTL) -#endif - -/* - ---------------------------------- - ---------- DHCP options ---------- - ---------------------------------- -*/ -/** - * LWIP_DHCP==1: Enable DHCP module. - */ -#ifndef LWIP_DHCP -#define LWIP_DHCP 0 -#endif - -/** - * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. - */ -#ifndef DHCP_DOES_ARP_CHECK -#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) -#endif - -/* - ------------------------------------ - ---------- AUTOIP options ---------- - ------------------------------------ -*/ -/** - * LWIP_AUTOIP==1: Enable AUTOIP module. - */ -#ifndef LWIP_AUTOIP -#define LWIP_AUTOIP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on - * the same interface at the same time. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP -#define LWIP_DHCP_AUTOIP_COOP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes - * that should be sent before falling back on AUTOIP. This can be set - * as low as 1 to get an AutoIP address very quickly, but you should - * be prepared to handle a changing IP address when DHCP overrides - * AutoIP. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES -#define LWIP_DHCP_AUTOIP_COOP_TRIES 9 -#endif - -/* - ---------------------------------- - ---------- SNMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP - * transport. - */ -#ifndef LWIP_SNMP -#define LWIP_SNMP 0 -#endif - -/** - * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will - * allow. At least one request buffer is required. - * Does not have to be changed unless external MIBs answer request asynchronously - */ -#ifndef SNMP_CONCURRENT_REQUESTS -#define SNMP_CONCURRENT_REQUESTS 1 -#endif - -/** - * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap - * destination is required - */ -#ifndef SNMP_TRAP_DESTINATIONS -#define SNMP_TRAP_DESTINATIONS 1 -#endif - -/** - * SNMP_PRIVATE_MIB: - * When using a private MIB, you have to create a file 'private_mib.h' that contains - * a 'struct mib_array_node mib_private' which contains your MIB. - */ -#ifndef SNMP_PRIVATE_MIB -#define SNMP_PRIVATE_MIB 0 -#endif - -/** - * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not - * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). - * Unsafe requests are disabled by default! - */ -#ifndef SNMP_SAFE_REQUESTS -#define SNMP_SAFE_REQUESTS 1 -#endif - -/** - * The maximum length of strings used. This affects the size of - * MEMP_SNMP_VALUE elements. - */ -#ifndef SNMP_MAX_OCTET_STRING_LEN -#define SNMP_MAX_OCTET_STRING_LEN 127 -#endif - -/** - * The maximum depth of the SNMP tree. - * With private MIBs enabled, this depends on your MIB! - * This affects the size of MEMP_SNMP_VALUE elements. - */ -#ifndef SNMP_MAX_TREE_DEPTH -#define SNMP_MAX_TREE_DEPTH 15 -#endif - -/** - * The size of the MEMP_SNMP_VALUE elements, normally calculated from - * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH. - */ -#ifndef SNMP_MAX_VALUE_SIZE -#define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH)) -#endif - -/* - ---------------------------------- - ---------- IGMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_IGMP==1: Turn on IGMP module. - */ -#ifndef LWIP_IGMP -#define LWIP_IGMP 0 -#endif - -/* - ---------------------------------- - ---------- DNS options ----------- - ---------------------------------- -*/ -/** - * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS - * transport. - */ -#ifndef LWIP_DNS -#define LWIP_DNS 0 -#endif - -/** DNS maximum number of entries to maintain locally. */ -#ifndef DNS_TABLE_SIZE -#define DNS_TABLE_SIZE 4 -#endif - -/** DNS maximum host name length supported in the name table. */ -#ifndef DNS_MAX_NAME_LENGTH -#define DNS_MAX_NAME_LENGTH 256 -#endif - -/** The maximum of DNS servers */ -#ifndef DNS_MAX_SERVERS -#define DNS_MAX_SERVERS 2 -#endif - -/** DNS do a name checking between the query and the response. */ -#ifndef DNS_DOES_NAME_CHECK -#define DNS_DOES_NAME_CHECK 1 -#endif - -/** DNS message max. size. Default value is RFC compliant. */ -#ifndef DNS_MSG_SIZE -#define DNS_MSG_SIZE 512 -#endif - -/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, - * you have to define - * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} - * (an array of structs name/address, where address is an u32_t in network - * byte order). - * - * Instead, you can also use an external function: - * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name) - * that returns the IP address or INADDR_NONE if not found. - */ -#ifndef DNS_LOCAL_HOSTLIST -#define DNS_LOCAL_HOSTLIST 0 -#endif /* DNS_LOCAL_HOSTLIST */ - -/** If this is turned on, the local host-list can be dynamically changed - * at runtime. */ -#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC -#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -/* - --------------------------------- - ---------- UDP options ---------- - --------------------------------- -*/ -/** - * LWIP_UDP==1: Turn on UDP. - */ -#ifndef LWIP_UDP -#define LWIP_UDP 1 -#endif - -/** - * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) - */ -#ifndef LWIP_UDPLITE -#define LWIP_UDPLITE 0 -#endif - -/** - * UDP_TTL: Default Time-To-Live value. - */ -#ifndef UDP_TTL -#define UDP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. - */ -#ifndef LWIP_NETBUF_RECVINFO -#define LWIP_NETBUF_RECVINFO 0 -#endif - -/* - --------------------------------- - ---------- TCP options ---------- - --------------------------------- -*/ -/** - * LWIP_TCP==1: Turn on TCP. - */ -#ifndef LWIP_TCP -#define LWIP_TCP 1 -#endif - -/** - * TCP_TTL: Default Time-To-Live value. - */ -#ifndef TCP_TTL -#define TCP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * TCP_WND: The size of a TCP window. This must be at least - * (2 * TCP_MSS) for things to work well - */ -#ifndef TCP_WND -#define TCP_WND (4 * TCP_MSS) -#endif - -/** - * TCP_MAXRTX: Maximum number of retransmissions of data segments. - */ -#ifndef TCP_MAXRTX -#define TCP_MAXRTX 12 -#endif - -/** - * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. - */ -#ifndef TCP_SYNMAXRTX -#define TCP_SYNMAXRTX 6 -#endif - -/** - * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. - * Define to 0 if your device is low on memory. - */ -#ifndef TCP_QUEUE_OOSEQ -#define TCP_QUEUE_OOSEQ (LWIP_TCP) -#endif - -/** - * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, - * you might want to increase this.) - * For the receive side, this MSS is advertised to the remote side - * when opening a connection. For the transmit size, this MSS sets - * an upper limit on the MSS advertised by the remote host. - */ -#ifndef TCP_MSS -#define TCP_MSS 536 -#endif - -/** - * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really - * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which - * reflects the available reassembly buffer size at the remote host) and the - * largest size permitted by the IP layer" (RFC 1122) - * Setting this to 1 enables code that checks TCP_MSS against the MTU of the - * netif used for a connection and limits the MSS if it would be too big otherwise. - */ -#ifndef TCP_CALCULATE_EFF_SEND_MSS -#define TCP_CALCULATE_EFF_SEND_MSS 1 -#endif - - -/** - * TCP_SND_BUF: TCP sender buffer space (bytes). - */ -#ifndef TCP_SND_BUF -#define TCP_SND_BUF 256 -#endif - -/** - * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least - * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. - */ -#ifndef TCP_SND_QUEUELEN -#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS)) -#endif - -/** - * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than - * TCP_SND_BUF. It is the amount of space which must be available in the - * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT). - */ -#ifndef TCP_SNDLOWAT -#define TCP_SNDLOWAT ((TCP_SND_BUF)/2) -#endif - -/** - * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater - * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below - * this number, select returns writable (combined with TCP_SNDLOWAT). - */ -#ifndef TCP_SNDQUEUELOWAT -#define TCP_SNDQUEUELOWAT ((TCP_SND_QUEUELEN)/2) -#endif - -/** - * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. - */ -#ifndef TCP_LISTEN_BACKLOG -#define TCP_LISTEN_BACKLOG 0 -#endif - -/** - * The maximum allowed backlog for TCP listen netconns. - * This backlog is used unless another is explicitly specified. - * 0xff is the maximum (u8_t). - */ -#ifndef TCP_DEFAULT_LISTEN_BACKLOG -#define TCP_DEFAULT_LISTEN_BACKLOG 0xff -#endif - -/** - * TCP_OVERSIZE: The maximum number of bytes that tcp_write may - * allocate ahead of time in an attempt to create shorter pbuf chains - * for transmission. The meaningful range is 0 to TCP_MSS. Some - * suggested values are: - * - * 0: Disable oversized allocation. Each tcp_write() allocates a new - pbuf (old behaviour). - * 1: Allocate size-aligned pbufs with minimal excess. Use this if your - * scatter-gather DMA requires aligned fragments. - * 128: Limit the pbuf/memory overhead to 20%. - * TCP_MSS: Try to create unfragmented TCP packets. - * TCP_MSS/4: Try to create 4 fragments or less per TCP packet. - */ -#ifndef TCP_OVERSIZE -#define TCP_OVERSIZE TCP_MSS -#endif - -/** - * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. - */ -#ifndef LWIP_TCP_TIMESTAMPS -#define LWIP_TCP_TIMESTAMPS 0 -#endif - -/** - * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an - * explicit window update - */ -#ifndef TCP_WND_UPDATE_THRESHOLD -#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) -#endif - -/** - * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. - * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all - * events (accept, sent, etc) that happen in the system. - * LWIP_CALLBACK_API==1: The PCB callback function is called directly - * for the event. - */ -//#ifndef LWIP_EVENT_API -//#define LWIP_EVENT_API 0 -//#define LWIP_CALLBACK_API 1 -//#else -//#define LWIP_EVENT_API 1 -//#define LWIP_CALLBACK_API 0 -//#endif - - -/* - ---------------------------------- - ---------- Pbuf options ---------- - ---------------------------------- -*/ -/** - * PBUF_LINK_HLEN: the number of bytes that should be allocated for a - * link level header. The default is 14, the standard value for - * Ethernet. - */ -#ifndef PBUF_LINK_HLEN -#define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE) -#endif - -/** - * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is - * designed to accomodate single full size TCP frame in one pbuf, including - * TCP_MSS, IP header, and link header. - */ -#ifndef PBUF_POOL_BUFSIZE -#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) -#endif - -/* - ------------------------------------------------ - ---------- Network Interfaces options ---------- - ------------------------------------------------ -*/ -/** - * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname - * field. - */ -#ifndef LWIP_NETIF_HOSTNAME -#define LWIP_NETIF_HOSTNAME 0 -#endif - -/** - * LWIP_NETIF_API==1: Support netif api (in netifapi.c) - */ -#ifndef LWIP_NETIF_API -#define LWIP_NETIF_API 0 -#endif - -/** - * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface - * changes its up/down status (i.e., due to DHCP IP acquistion) - */ -#ifndef LWIP_NETIF_STATUS_CALLBACK -#define LWIP_NETIF_STATUS_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface - * whenever the link changes (i.e., link down) - */ -#ifndef LWIP_NETIF_LINK_CALLBACK -#define LWIP_NETIF_LINK_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table - * indices) in struct netif. TCP and UDP can make use of this to prevent - * scanning the ARP table for every sent packet. While this is faster for big - * ARP tables or many concurrent connections, it might be counterproductive - * if you have a tiny ARP table or if there never are concurrent connections. - */ -#ifndef LWIP_NETIF_HWADDRHINT -#define LWIP_NETIF_HWADDRHINT 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP - * address equal to the netif IP address, looping them back up the stack. - */ -#ifndef LWIP_NETIF_LOOPBACK -#define LWIP_NETIF_LOOPBACK 1 -#endif - -/** - * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback - * sending for each netif (0 = disabled) - */ -#ifndef LWIP_LOOPBACK_MAX_PBUFS -#define LWIP_LOOPBACK_MAX_PBUFS 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in - * the system, as netifs must change how they behave depending on this setting - * for the LWIP_NETIF_LOOPBACK option to work. - * Setting this is needed to avoid reentering non-reentrant functions like - * tcp_input(). - * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a - * multithreaded environment like tcpip.c. In this case, netif->input() - * is called directly. - * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. - * The packets are put on a list and netif_poll() must be called in - * the main application loop. - */ -#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING -#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) -#endif - -/** - * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data - * to be sent into one single pbuf. This is for compatibility with DMA-enabled - * MACs that do not support scatter-gather. - * Beware that this might involve CPU-memcpy before transmitting that would not - * be needed without this flag! Use this only if you need to! - * - * @todo: TCP and IP-frag do not work with this, yet: - */ -#ifndef LWIP_NETIF_TX_SINGLE_PBUF -#define LWIP_NETIF_TX_SINGLE_PBUF 0 -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - -/* - ------------------------------------ - ---------- LOOPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c - */ -#ifndef LWIP_HAVE_LOOPIF -#define LWIP_HAVE_LOOPIF 1 -#endif - -/* - ------------------------------------ - ---------- SLIPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c - */ -#ifndef LWIP_HAVE_SLIPIF -#define LWIP_HAVE_SLIPIF 0 -#endif - -/* - ------------------------------------ - ---------- Thread options ---------- - ------------------------------------ -*/ -/** - * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. - */ -#ifndef TCPIP_THREAD_NAME -#define TCPIP_THREAD_NAME "tcpip_thread" -#endif - -/** - * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_STACKSIZE -#define TCPIP_THREAD_STACKSIZE 0 -#endif - -/** - * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_PRIO -#define TCPIP_THREAD_PRIO 1 -#endif - -/** - * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when tcpip_init is called. - */ -#ifndef TCPIP_MBOX_SIZE -#define TCPIP_MBOX_SIZE 0 -#endif - -/** - * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. - */ -#ifndef SLIPIF_THREAD_NAME -#define SLIPIF_THREAD_NAME "slipif_loop" -#endif - -/** - * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_STACKSIZE -#define SLIPIF_THREAD_STACKSIZE 0 -#endif - -/** - * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_PRIO -#define SLIPIF_THREAD_PRIO 1 -#endif - -/** - * PPP_THREAD_NAME: The name assigned to the pppInputThread. - */ -#ifndef PPP_THREAD_NAME -#define PPP_THREAD_NAME "pppInputThread" -#endif - -/** - * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_STACKSIZE -#define PPP_THREAD_STACKSIZE 0 -#endif - -/** - * PPP_THREAD_PRIO: The priority assigned to the pppInputThread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_PRIO -#define PPP_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. - */ -#ifndef DEFAULT_THREAD_NAME -#define DEFAULT_THREAD_NAME "lwIP" -#endif - -/** - * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_STACKSIZE -#define DEFAULT_THREAD_STACKSIZE 0 -#endif - -/** - * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_PRIO -#define DEFAULT_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_RAW_RECVMBOX_SIZE -#define DEFAULT_RAW_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_UDP_RECVMBOX_SIZE -#define DEFAULT_UDP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_TCP_RECVMBOX_SIZE -#define DEFAULT_TCP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when the acceptmbox is created. - */ -#ifndef DEFAULT_ACCEPTMBOX_SIZE -#define DEFAULT_ACCEPTMBOX_SIZE 0 -#endif - -/* - ---------------------------------------------- - ---------- Sequential layer options ---------- - ---------------------------------------------- -*/ -/** - * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) - * Don't use it if you're not an active lwIP project member - */ -#ifndef LWIP_TCPIP_CORE_LOCKING -#define LWIP_TCPIP_CORE_LOCKING 0 -#endif - -/** - * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!) - * Don't use it if you're not an active lwIP project member - */ -#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT -#define LWIP_TCPIP_CORE_LOCKING_INPUT 0 -#endif - -/** - * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) - */ -#ifndef LWIP_NETCONN -#define LWIP_NETCONN 0 -#endif - -/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create - * timers running in tcpip_thread from another thread. - */ -#ifndef LWIP_TCPIP_TIMEOUT -#define LWIP_TCPIP_TIMEOUT 1 -#endif - -/* - ------------------------------------ - ---------- Socket options ---------- - ------------------------------------ -*/ -/** - * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) - */ -#ifndef LWIP_SOCKET -#define LWIP_SOCKET 0 -#endif - -/** - * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. - * (only used if you use sockets.c) - */ -#ifndef LWIP_COMPAT_SOCKETS -#define LWIP_COMPAT_SOCKETS 1 -#endif - -/** - * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. - * Disable this option if you use a POSIX operating system that uses the same - * names (read, write & close). (only used if you use sockets.c) - */ -#ifndef LWIP_POSIX_SOCKETS_IO_NAMES -#define LWIP_POSIX_SOCKETS_IO_NAMES 1 -#endif - -/** - * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT - * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set - * in seconds. (does not require sockets.c, and will affect tcp.c) - */ -#ifndef LWIP_TCP_KEEPALIVE -#define LWIP_TCP_KEEPALIVE 0 -#endif - -/** - * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. - */ -#ifndef LWIP_SO_RCVTIMEO -#define LWIP_SO_RCVTIMEO 0 -#endif - -/** - * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. - */ -#ifndef LWIP_SO_RCVBUF -#define LWIP_SO_RCVBUF 0 -#endif - -/** - * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. - */ -#ifndef RECV_BUFSIZE_DEFAULT -#define RECV_BUFSIZE_DEFAULT INT_MAX -#endif - -/** - * SO_REUSE==1: Enable SO_REUSEADDR option. - */ -#ifndef SO_REUSE -#define SO_REUSE 0 -#endif - -/** - * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets - * to all local matches if SO_REUSEADDR is turned on. - * WARNING: Adds a memcpy for every packet if passing to more than one pcb! - */ -#ifndef SO_REUSE_RXTOALL -#define SO_REUSE_RXTOALL 0 -#endif - -/* - ---------------------------------------- - ---------- Statistics options ---------- - ---------------------------------------- -*/ -/** - * LWIP_STATS==1: Enable statistics collection in lwip_stats. - */ -#ifndef LWIP_STATS -#define LWIP_STATS 1 -#endif - -#if LWIP_STATS - -/** - * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. - */ -#ifndef LWIP_STATS_DISPLAY -#define LWIP_STATS_DISPLAY 0 -#endif - -/** - * LINK_STATS==1: Enable link stats. - */ -#ifndef LINK_STATS -#define LINK_STATS 1 -#endif - -/** - * ETHARP_STATS==1: Enable etharp stats. - */ -#ifndef ETHARP_STATS -#define ETHARP_STATS (LWIP_ARP) -#endif - -/** - * IP_STATS==1: Enable IP stats. - */ -#ifndef IP_STATS -#define IP_STATS 1 -#endif - -/** - * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is - * on if using either frag or reass. - */ -#ifndef IPFRAG_STATS -#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) -#endif - -/** - * ICMP_STATS==1: Enable ICMP stats. - */ -#ifndef ICMP_STATS -#define ICMP_STATS 1 -#endif - -/** - * IGMP_STATS==1: Enable IGMP stats. - */ -#ifndef IGMP_STATS -#define IGMP_STATS (LWIP_IGMP) -#endif - -/** - * UDP_STATS==1: Enable UDP stats. Default is on if - * UDP enabled, otherwise off. - */ -#ifndef UDP_STATS -#define UDP_STATS (LWIP_UDP) -#endif - -/** - * TCP_STATS==1: Enable TCP stats. Default is on if TCP - * enabled, otherwise off. - */ -#ifndef TCP_STATS -#define TCP_STATS (LWIP_TCP) -#endif - -/** - * MEM_STATS==1: Enable mem.c stats. - */ -#ifndef MEM_STATS -#define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) -#endif - -/** - * MEMP_STATS==1: Enable memp.c pool stats. - */ -#ifndef MEMP_STATS -#define MEMP_STATS (MEMP_MEM_MALLOC == 0) -#endif - -/** - * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). - */ -#ifndef SYS_STATS -#define SYS_STATS (NO_SYS == 0) -#endif - -#else - -#define LINK_STATS 0 -#define IP_STATS 0 -#define IPFRAG_STATS 0 -#define ICMP_STATS 0 -#define IGMP_STATS 0 -#define UDP_STATS 0 -#define TCP_STATS 0 -#define MEM_STATS 0 -#define MEMP_STATS 0 -#define SYS_STATS 0 -#define LWIP_STATS_DISPLAY 0 - -#endif /* LWIP_STATS */ - -/* - --------------------------------- - ---------- PPP options ---------- - --------------------------------- -*/ -/** - * PPP_SUPPORT==1: Enable PPP. - */ -#ifndef PPP_SUPPORT -#define PPP_SUPPORT 0 -#endif - -/** - * PPPOE_SUPPORT==1: Enable PPP Over Ethernet - */ -#ifndef PPPOE_SUPPORT -#define PPPOE_SUPPORT 0 -#endif - -/** - * PPPOS_SUPPORT==1: Enable PPP Over Serial - */ -#ifndef PPPOS_SUPPORT -#define PPPOS_SUPPORT PPP_SUPPORT -#endif - -#if PPP_SUPPORT - -/** - * NUM_PPP: Max PPP sessions. - */ -#ifndef NUM_PPP -#define NUM_PPP 1 -#endif - -/** - * PAP_SUPPORT==1: Support PAP. - */ -#ifndef PAP_SUPPORT -#define PAP_SUPPORT 0 -#endif - -/** - * CHAP_SUPPORT==1: Support CHAP. - */ -#ifndef CHAP_SUPPORT -#define CHAP_SUPPORT 0 -#endif - -/** - * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef MSCHAP_SUPPORT -#define MSCHAP_SUPPORT 0 -#endif - -/** - * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CBCP_SUPPORT -#define CBCP_SUPPORT 0 -#endif - -/** - * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CCP_SUPPORT -#define CCP_SUPPORT 0 -#endif - -/** - * VJ_SUPPORT==1: Support VJ header compression. - */ -#ifndef VJ_SUPPORT -#define VJ_SUPPORT 0 -#endif - -/** - * MD5_SUPPORT==1: Support MD5 (see also CHAP). - */ -#ifndef MD5_SUPPORT -#define MD5_SUPPORT 0 -#endif - -/* - * Timeouts - */ -#ifndef FSM_DEFTIMEOUT -#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef FSM_DEFMAXTERMREQS -#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXCONFREQS -#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXNAKLOOPS -#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ -#endif - -#ifndef UPAP_DEFTIMEOUT -#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ -#endif - -#ifndef UPAP_DEFREQTIME -#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ -#endif - -#ifndef CHAP_DEFTIMEOUT -#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef CHAP_DEFTRANSMITS -#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ -#endif - -/* Interval in seconds between keepalive echo requests, 0 to disable. */ -#ifndef LCP_ECHOINTERVAL -#define LCP_ECHOINTERVAL 0 -#endif - -/* Number of unanswered echo requests before failure. */ -#ifndef LCP_MAXECHOFAILS -#define LCP_MAXECHOFAILS 3 -#endif - -/* Max Xmit idle time (in jiffies) before resend flag char. */ -#ifndef PPP_MAXIDLEFLAG -#define PPP_MAXIDLEFLAG 100 -#endif - -/* - * Packet sizes - * - * Note - lcp shouldn't be allowed to negotiate stuff outside these - * limits. See lcp.h in the pppd directory. - * (XXX - these constants should simply be shared by lcp.c instead - * of living in lcp.h) - */ -#define PPP_MTU 1500 /* Default MTU (size of Info field) */ -#ifndef PPP_MAXMTU -/* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ -#define PPP_MAXMTU 1500 /* Largest MTU we allow */ -#endif -#define PPP_MINMTU 64 -#define PPP_MRU 1500 /* default MRU = max length of info field */ -#define PPP_MAXMRU 1500 /* Largest MRU we allow */ -#ifndef PPP_DEFMRU -#define PPP_DEFMRU 296 /* Try for this */ -#endif -#define PPP_MINMRU 128 /* No MRUs below this */ - -#ifndef MAXNAMELEN -#define MAXNAMELEN 256 /* max length of hostname or name for auth */ -#endif -#ifndef MAXSECRETLEN -#define MAXSECRETLEN 256 /* max length of password or secret */ -#endif - -#endif /* PPP_SUPPORT */ - -/* - -------------------------------------- - ---------- Checksum options ---------- - -------------------------------------- -*/ -/** - * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. - */ -#ifndef CHECKSUM_GEN_IP -#define CHECKSUM_GEN_IP 1 -#endif - -/** - * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. - */ -#ifndef CHECKSUM_GEN_UDP -#define CHECKSUM_GEN_UDP 1 -#endif - -/** - * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. - */ -#ifndef CHECKSUM_GEN_TCP -#define CHECKSUM_GEN_TCP 1 -#endif - -/** - * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. - */ -#ifndef CHECKSUM_CHECK_IP -#define CHECKSUM_CHECK_IP 1 -#endif - -/** - * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. - */ -#ifndef CHECKSUM_CHECK_UDP -#define CHECKSUM_CHECK_UDP 1 -#endif - -/** - * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. - */ -#ifndef CHECKSUM_CHECK_TCP -#define CHECKSUM_CHECK_TCP 1 -#endif - -/** - * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from - * application buffers to pbufs. - */ -#ifndef LWIP_CHECKSUM_ON_COPY -#define LWIP_CHECKSUM_ON_COPY 0 -#endif - -/* - --------------------------------------- - ---------- Debugging options ---------- - --------------------------------------- -*/ -/** - * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is - * compared against this value. If it is smaller, then debugging - * messages are written. - */ -#ifndef LWIP_DBG_MIN_LEVEL -#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL -#endif - -/** - * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable - * debug messages of certain types. - */ -#ifndef LWIP_DBG_TYPES_ON -#define LWIP_DBG_TYPES_ON LWIP_DBG_ON -#endif - -/** - * ETHARP_DEBUG: Enable debugging in etharp.c. - */ -#ifndef ETHARP_DEBUG -#define ETHARP_DEBUG LWIP_DBG_OFF -#endif - -/** - * NETIF_DEBUG: Enable debugging in netif.c. - */ -#ifndef NETIF_DEBUG -#define NETIF_DEBUG LWIP_DBG_OFF -#endif - -/** - * PBUF_DEBUG: Enable debugging in pbuf.c. - */ -#ifndef PBUF_DEBUG -#define PBUF_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_LIB_DEBUG: Enable debugging in api_lib.c. - */ -#ifndef API_LIB_DEBUG -#define API_LIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_MSG_DEBUG: Enable debugging in api_msg.c. - */ -#ifndef API_MSG_DEBUG -#define API_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SOCKETS_DEBUG: Enable debugging in sockets.c. - */ -#ifndef SOCKETS_DEBUG -#define SOCKETS_DEBUG LWIP_DBG_OFF -#endif - -/** - * ICMP_DEBUG: Enable debugging in icmp.c. - */ -#ifndef ICMP_DEBUG -#define ICMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IGMP_DEBUG: Enable debugging in igmp.c. - */ -#ifndef IGMP_DEBUG -#define IGMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * INET_DEBUG: Enable debugging in inet.c. - */ -#ifndef INET_DEBUG -#define INET_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_DEBUG: Enable debugging for IP. - */ -#ifndef IP_DEBUG -#define IP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. - */ -#ifndef IP_REASS_DEBUG -#define IP_REASS_DEBUG LWIP_DBG_OFF -#endif - -/** - * RAW_DEBUG: Enable debugging in raw.c. - */ -#ifndef RAW_DEBUG -#define RAW_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEM_DEBUG: Enable debugging in mem.c. - */ -#ifndef MEM_DEBUG -#define MEM_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEMP_DEBUG: Enable debugging in memp.c. - */ -#ifndef MEMP_DEBUG -#define MEMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SYS_DEBUG: Enable debugging in sys.c. - */ -#ifndef SYS_DEBUG -#define SYS_DEBUG LWIP_DBG_OFF -#endif - -/** - * TIMERS_DEBUG: Enable debugging in timers.c. - */ -#ifndef TIMERS_DEBUG -#define TIMERS_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_DEBUG: Enable debugging for TCP. - */ -#ifndef TCP_DEBUG -#define TCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. - */ -#ifndef TCP_INPUT_DEBUG -#define TCP_INPUT_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. - */ -#ifndef TCP_FR_DEBUG -#define TCP_FR_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit - * timeout. - */ -#ifndef TCP_RTO_DEBUG -#define TCP_RTO_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. - */ -#ifndef TCP_CWND_DEBUG -#define TCP_CWND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. - */ -#ifndef TCP_WND_DEBUG -#define TCP_WND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. - */ -#ifndef TCP_OUTPUT_DEBUG -#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. - */ -#ifndef TCP_RST_DEBUG -#define TCP_RST_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. - */ -#ifndef TCP_QLEN_DEBUG -#define TCP_QLEN_DEBUG LWIP_DBG_OFF -#endif - -/** - * UDP_DEBUG: Enable debugging in UDP. - */ -#ifndef UDP_DEBUG -#define UDP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCPIP_DEBUG: Enable debugging in tcpip.c. - */ -#ifndef TCPIP_DEBUG -#define TCPIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * PPP_DEBUG: Enable debugging for PPP. - */ -#ifndef PPP_DEBUG -#define PPP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SLIP_DEBUG: Enable debugging in slipif.c. - */ -#ifndef SLIP_DEBUG -#define SLIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * DHCP_DEBUG: Enable debugging in dhcp.c. - */ -#ifndef DHCP_DEBUG -#define DHCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * AUTOIP_DEBUG: Enable debugging in autoip.c. - */ -#ifndef AUTOIP_DEBUG -#define AUTOIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. - */ -#ifndef SNMP_MSG_DEBUG -#define SNMP_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. - */ -#ifndef SNMP_MIB_DEBUG -#define SNMP_MIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * DNS_DEBUG: Enable debugging for DNS. - */ -#ifndef DNS_DEBUG -#define DNS_DEBUG LWIP_DBG_OFF -#endif - -#endif /* __LWIP_OPT_H__ */ diff --git a/tools/sdk/lwip/include/lwip/pbuf.h b/tools/sdk/lwip/include/lwip/pbuf.h deleted file mode 100644 index 3d24db4d4b..0000000000 --- a/tools/sdk/lwip/include/lwip/pbuf.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#ifndef __LWIP_PBUF_H__ -#define __LWIP_PBUF_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Currently, the pbuf_custom code is only needed for one specific configuration - * of IP_FRAG */ -#define LWIP_SUPPORT_CUSTOM_PBUF (IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF) - -#define PBUF_TRANSPORT_HLEN 20 -#define PBUF_IP_HLEN 20 - -typedef enum { - PBUF_TRANSPORT, - PBUF_IP, - PBUF_LINK, - PBUF_RAW -} pbuf_layer; - -typedef enum { - PBUF_RAM, /* pbuf data is stored in RAM */ - PBUF_ROM, /* pbuf data is stored in ROM */ - PBUF_REF, /* pbuf comes from the pbuf pool */ - PBUF_POOL, /* pbuf payload refers to RAM */ -#ifdef EBUF_LWIP - PBUF_ESF_RX /* pbuf payload is from WLAN */ -#endif /* ESF_LWIP */ -} pbuf_type; - - -/** indicates this packet's data should be immediately passed to the application */ -#define PBUF_FLAG_PUSH 0x01U -/** indicates this is a custom pbuf: pbuf_free and pbuf_header handle such a - a pbuf differently */ -#define PBUF_FLAG_IS_CUSTOM 0x02U -/** indicates this pbuf is UDP multicast to be looped back */ -#define PBUF_FLAG_MCASTLOOP 0x04U - -struct pbuf { - /** next pbuf in singly linked pbuf chain */ - struct pbuf *next; - - /** pointer to the actual data in the buffer */ - void *payload; - - /** - * total length of this buffer and all next buffers in chain - * belonging to the same packet. - * - * For non-queue packet chains this is the invariant: - * p->tot_len == p->len + (p->next? p->next->tot_len: 0) - */ - u16_t tot_len; - - /** length of this buffer */ - u16_t len; - - /** pbuf_type as u8_t instead of enum to save space */ - u8_t /*pbuf_type*/ type; - - /** misc flags */ - u8_t flags; - - /** - * the reference count always equals the number of pointers - * that refer to this pbuf. This can be pointers from an application, - * the stack itself, or pbuf->next pointers from a chain. - */ - u16_t ref; - - /* add a pointer for esf_buf */ - void * eb; -}; - -#if LWIP_SUPPORT_CUSTOM_PBUF -/** Prototype for a function to free a custom pbuf */ -typedef void (*pbuf_free_custom_fn)(struct pbuf *p); - -/** A custom pbuf: like a pbuf, but following a function pointer to free it. */ -struct pbuf_custom { - /** The actual pbuf */ - struct pbuf pbuf; - /** This function is called when pbuf_free deallocates this pbuf(_custom) */ - pbuf_free_custom_fn custom_free_function; -}; -#endif /* LWIP_SUPPORT_CUSTOM_PBUF */ - -/* Initializes the pbuf module. This call is empty for now, but may not be in future. */ -#define pbuf_init() - -struct pbuf *pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type)ICACHE_FLASH_ATTR; -#if LWIP_SUPPORT_CUSTOM_PBUF -struct pbuf *pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type, - struct pbuf_custom *p, void *payload_mem, - u16_t payload_mem_len)ICACHE_FLASH_ATTR; -#endif /* LWIP_SUPPORT_CUSTOM_PBUF */ -void pbuf_realloc(struct pbuf *p, u16_t size)ICACHE_FLASH_ATTR; -u8_t pbuf_header(struct pbuf *p, s16_t header_size)ICACHE_FLASH_ATTR; -void pbuf_ref(struct pbuf *p)ICACHE_FLASH_ATTR; -u8_t pbuf_free(struct pbuf *p)ICACHE_FLASH_ATTR; -u8_t pbuf_clen(struct pbuf *p)ICACHE_FLASH_ATTR; -void pbuf_cat(struct pbuf *head, struct pbuf *tail)ICACHE_FLASH_ATTR; -void pbuf_chain(struct pbuf *head, struct pbuf *tail)ICACHE_FLASH_ATTR; -struct pbuf *pbuf_dechain(struct pbuf *p)ICACHE_FLASH_ATTR; -err_t pbuf_copy(struct pbuf *p_to, struct pbuf *p_from)ICACHE_FLASH_ATTR; -u16_t pbuf_copy_partial(struct pbuf *p, void *dataptr, u16_t len, u16_t offset)ICACHE_FLASH_ATTR; -err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)ICACHE_FLASH_ATTR; -struct pbuf *pbuf_coalesce(struct pbuf *p, pbuf_layer layer)ICACHE_FLASH_ATTR; -#if LWIP_CHECKSUM_ON_COPY -err_t pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr, - u16_t len, u16_t *chksum)ICACHE_FLASH_ATTR; -#endif /* LWIP_CHECKSUM_ON_COPY */ - -u8_t pbuf_get_at(struct pbuf* p, u16_t offset)ICACHE_FLASH_ATTR; -u16_t pbuf_memcmp(struct pbuf* p, u16_t offset, const void* s2, u16_t n)ICACHE_FLASH_ATTR; -u16_t pbuf_memfind(struct pbuf* p, const void* mem, u16_t mem_len, u16_t start_offset)ICACHE_FLASH_ATTR; -u16_t pbuf_strstr(struct pbuf* p, const char* substr)ICACHE_FLASH_ATTR; - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_PBUF_H__ */ diff --git a/tools/sdk/lwip/include/lwip/puck_def.h b/tools/sdk/lwip/include/lwip/puck_def.h deleted file mode 100644 index c20027a15c..0000000000 --- a/tools/sdk/lwip/include/lwip/puck_def.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * puck_def.h - * - * Created on: Jul 22, 2010 - * Author: dtoma - */ - -#ifndef PUCK_DEF_H_ -#define PUCK_DEF_H_ - - - -#define INSTRUMENT_PORT 8760 - -#define INSTRUMENT_LENGTH 80 - -#define MDNS_NAME_LENGTH 68 //68 - -char* PUCK_SERVICE = NULL; -//#define PUCK_SERVICE "_Escpressif._tcp.local" -#define DNS_SD_SERVICE "_services._dns-sd._udp.local" -#define SERVICE_DESCRIPTION "PUCK PROTOCOL" -#define PUCK_SERVICE_LENGTH 30 - -#define UUID_LEN 16 -#define DS_VERS_LEN 2 -#define DS_SIZE_LEN 2 -#define MAN_ID_LEN 4 -#define MAN_MODEL_LEN 2 -#define MAN_VERS_LEN 2 -#define SER_NUM_LEN 4 -#define NAME_LEN 64 -#define PUCK_DATASHEET_SIZE 96 - -#define UUID_OFFSET 0 -#define DS_VERS_OFFSET UUID_LEN + UUID_OFFSET -#define DS_SIZE_OFFSET DS_VERS_LEN + DS_VERS_OFFSET -#define MAN_ID_OFFSET DS_SIZE_LEN + DS_SIZE_OFFSET -#define MAN_MODEL_OFFSET MAN_ID_LEN + MAN_ID_OFFSET -#define MAN_VERS_OFFSET MAN_MODEL_LEN + MAN_MODEL_OFFSET -#define SER_NUM_OFFSET MAN_VERS_LEN + MAN_VERS_OFFSET -#define NAME_OFFSET SER_NUM_LEN + SER_NUM_OFFSET - -#endif /* __PUCK_DEF_H__ */ diff --git a/tools/sdk/lwip/include/lwip/raw.h b/tools/sdk/lwip/include/lwip/raw.h deleted file mode 100644 index c9c40871b1..0000000000 --- a/tools/sdk/lwip/include/lwip/raw.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_RAW_H__ -#define __LWIP_RAW_H__ - -#include "lwip/opt.h" - -#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/def.h" -#include "lwip/ip.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct raw_pcb; - -/** Function prototype for raw pcb receive callback functions. - * @param arg user supplied argument (raw_pcb.recv_arg) - * @param pcb the raw_pcb which received data - * @param p the packet buffer that was received - * @param addr the remote IP address from which the packet was received - * @return 1 if the packet was 'eaten' (aka. deleted), - * 0 if the packet lives on - * If returning 1, the callback is responsible for freeing the pbuf - * if it's not used any more. - */ -typedef u8_t (*raw_recv_fn)(void *arg, struct raw_pcb *pcb, struct pbuf *p, - ip_addr_t *addr); - -struct raw_pcb { - /* Common members of all PCB types */ - IP_PCB; - - struct raw_pcb *next; - - u8_t protocol; - - /** receive callback function */ - raw_recv_fn recv; - /* user-supplied argument for the recv callback */ - void *recv_arg; -}; - -/* The following functions is the application layer interface to the - RAW code. */ -struct raw_pcb * raw_new (u8_t proto)ICACHE_FLASH_ATTR; -void raw_remove (struct raw_pcb *pcb)ICACHE_FLASH_ATTR; -err_t raw_bind (struct raw_pcb *pcb, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -err_t raw_connect (struct raw_pcb *pcb, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; - -void raw_recv (struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg)ICACHE_FLASH_ATTR; -err_t raw_sendto (struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -err_t raw_send (struct raw_pcb *pcb, struct pbuf *p); - -/* The following functions are the lower layer interface to RAW. */ -u8_t raw_input (struct pbuf *p, struct netif *inp)ICACHE_FLASH_ATTR; -#define raw_init() /* Compatibility define, not init needed. */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_RAW */ - -#endif /* __LWIP_RAW_H__ */ diff --git a/tools/sdk/lwip/include/lwip/sio.h b/tools/sdk/lwip/include/lwip/sio.h deleted file mode 100644 index 228c857772..0000000000 --- a/tools/sdk/lwip/include/lwip/sio.h +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - */ - -/* - * This is the interface to the platform specific serial IO module - * It needs to be implemented by those platforms which need SLIP or PPP - */ - -#ifndef __SIO_H__ -#define __SIO_H__ - -#include "lwip/arch.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* If you want to define sio_fd_t elsewhere or differently, - define this in your cc.h file. */ -#ifndef __sio_fd_t_defined -typedef void * sio_fd_t; -#endif - -/* The following functions can be defined to something else in your cc.h file - or be implemented in your custom sio.c file. */ - -#ifndef sio_open -/** - * Opens a serial device for communication. - * - * @param devnum device number - * @return handle to serial device if successful, NULL otherwise - */ -sio_fd_t sio_open(u8_t devnum)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_send -/** - * Sends a single character to the serial device. - * - * @param c character to send - * @param fd serial device handle - * - * @note This function will block until the character can be sent. - */ -void sio_send(u8_t c, sio_fd_t fd)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_recv -/** - * Receives a single character from the serial device. - * - * @param fd serial device handle - * - * @note This function will block until a character is received. - */ -u8_t sio_recv(sio_fd_t fd)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_read -/** - * Reads from the serial device. - * - * @param fd serial device handle - * @param data pointer to data buffer for receiving - * @param len maximum length (in bytes) of data to receive - * @return number of bytes actually received - may be 0 if aborted by sio_read_abort - * - * @note This function will block until data can be received. The blocking - * can be cancelled by calling sio_read_abort(). - */ -u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_tryread -/** - * Tries to read from the serial device. Same as sio_read but returns - * immediately if no data is available and never blocks. - * - * @param fd serial device handle - * @param data pointer to data buffer for receiving - * @param len maximum length (in bytes) of data to receive - * @return number of bytes actually received - */ -u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_write -/** - * Writes to the serial device. - * - * @param fd serial device handle - * @param data pointer to data to send - * @param len length (in bytes) of data to send - * @return number of bytes actually sent - * - * @note This function will block until all data can be sent. - */ -u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)ICACHE_FLASH_ATTR; -#endif - -#ifndef sio_read_abort -/** - * Aborts a blocking sio_read() call. - * - * @param fd serial device handle - */ -void sio_read_abort(sio_fd_t fd)ICACHE_FLASH_ATTR; -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __SIO_H__ */ diff --git a/tools/sdk/lwip/include/lwip/snmp.h b/tools/sdk/lwip/include/lwip/snmp.h deleted file mode 100644 index 2ed043dd5f..0000000000 --- a/tools/sdk/lwip/include/lwip/snmp.h +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Copyright (c) 2001, 2002 Leon Woestenberg - * Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Leon Woestenberg - * - */ -#ifndef __LWIP_SNMP_H__ -#define __LWIP_SNMP_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#include "lwip/ip_addr.h" - -struct udp_pcb; -struct netif; - -/** - * @see RFC1213, "MIB-II, 6. Definitions" - */ -enum snmp_ifType { - snmp_ifType_other=1, /* none of the following */ - snmp_ifType_regular1822, - snmp_ifType_hdh1822, - snmp_ifType_ddn_x25, - snmp_ifType_rfc877_x25, - snmp_ifType_ethernet_csmacd, - snmp_ifType_iso88023_csmacd, - snmp_ifType_iso88024_tokenBus, - snmp_ifType_iso88025_tokenRing, - snmp_ifType_iso88026_man, - snmp_ifType_starLan, - snmp_ifType_proteon_10Mbit, - snmp_ifType_proteon_80Mbit, - snmp_ifType_hyperchannel, - snmp_ifType_fddi, - snmp_ifType_lapb, - snmp_ifType_sdlc, - snmp_ifType_ds1, /* T-1 */ - snmp_ifType_e1, /* european equiv. of T-1 */ - snmp_ifType_basicISDN, - snmp_ifType_primaryISDN, /* proprietary serial */ - snmp_ifType_propPointToPointSerial, - snmp_ifType_ppp, - snmp_ifType_softwareLoopback, - snmp_ifType_eon, /* CLNP over IP [11] */ - snmp_ifType_ethernet_3Mbit, - snmp_ifType_nsip, /* XNS over IP */ - snmp_ifType_slip, /* generic SLIP */ - snmp_ifType_ultra, /* ULTRA technologies */ - snmp_ifType_ds3, /* T-3 */ - snmp_ifType_sip, /* SMDS */ - snmp_ifType_frame_relay -}; - -#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */ - -/** SNMP "sysuptime" Interval */ -#define SNMP_SYSUPTIME_INTERVAL 10 - -/** fixed maximum length for object identifier type */ -#define LWIP_SNMP_OBJ_ID_LEN 32 - -/** internal object identifier representation */ -struct snmp_obj_id -{ - u8_t len; - s32_t id[LWIP_SNMP_OBJ_ID_LEN]; -}; - -/* system */ -void snmp_set_sysdesr(u8_t* str, u8_t* len); -void snmp_set_sysobjid(struct snmp_obj_id *oid); -void snmp_get_sysobjid_ptr(struct snmp_obj_id **oid); -void snmp_inc_sysuptime(void); -void snmp_add_sysuptime(u32_t value); -void snmp_get_sysuptime(u32_t *value); -void snmp_set_syscontact(u8_t *ocstr, u8_t *ocstrlen); -void snmp_set_sysname(u8_t *ocstr, u8_t *ocstrlen); -void snmp_set_syslocation(u8_t *ocstr, u8_t *ocstrlen); - -/* network interface */ -void snmp_add_ifinoctets(struct netif *ni, u32_t value); -void snmp_inc_ifinucastpkts(struct netif *ni); -void snmp_inc_ifinnucastpkts(struct netif *ni); -void snmp_inc_ifindiscards(struct netif *ni); -void snmp_add_ifoutoctets(struct netif *ni, u32_t value); -void snmp_inc_ifoutucastpkts(struct netif *ni); -void snmp_inc_ifoutnucastpkts(struct netif *ni); -void snmp_inc_ifoutdiscards(struct netif *ni); -void snmp_inc_iflist(void); -void snmp_dec_iflist(void); - -/* ARP (for atTable and ipNetToMediaTable) */ -void snmp_insert_arpidx_tree(struct netif *ni, ip_addr_t *ip); -void snmp_delete_arpidx_tree(struct netif *ni, ip_addr_t *ip); - -/* IP */ -void snmp_inc_ipinreceives(void); -void snmp_inc_ipinhdrerrors(void); -void snmp_inc_ipinaddrerrors(void); -void snmp_inc_ipforwdatagrams(void); -void snmp_inc_ipinunknownprotos(void); -void snmp_inc_ipindiscards(void); -void snmp_inc_ipindelivers(void); -void snmp_inc_ipoutrequests(void); -void snmp_inc_ipoutdiscards(void); -void snmp_inc_ipoutnoroutes(void); -void snmp_inc_ipreasmreqds(void); -void snmp_inc_ipreasmoks(void); -void snmp_inc_ipreasmfails(void); -void snmp_inc_ipfragoks(void); -void snmp_inc_ipfragfails(void); -void snmp_inc_ipfragcreates(void); -void snmp_inc_iproutingdiscards(void); -void snmp_insert_ipaddridx_tree(struct netif *ni); -void snmp_delete_ipaddridx_tree(struct netif *ni); -void snmp_insert_iprteidx_tree(u8_t dflt, struct netif *ni); -void snmp_delete_iprteidx_tree(u8_t dflt, struct netif *ni); - -/* ICMP */ -void snmp_inc_icmpinmsgs(void); -void snmp_inc_icmpinerrors(void); -void snmp_inc_icmpindestunreachs(void); -void snmp_inc_icmpintimeexcds(void); -void snmp_inc_icmpinparmprobs(void); -void snmp_inc_icmpinsrcquenchs(void); -void snmp_inc_icmpinredirects(void); -void snmp_inc_icmpinechos(void); -void snmp_inc_icmpinechoreps(void); -void snmp_inc_icmpintimestamps(void); -void snmp_inc_icmpintimestampreps(void); -void snmp_inc_icmpinaddrmasks(void); -void snmp_inc_icmpinaddrmaskreps(void); -void snmp_inc_icmpoutmsgs(void); -void snmp_inc_icmpouterrors(void); -void snmp_inc_icmpoutdestunreachs(void); -void snmp_inc_icmpouttimeexcds(void); -void snmp_inc_icmpoutparmprobs(void); -void snmp_inc_icmpoutsrcquenchs(void); -void snmp_inc_icmpoutredirects(void); -void snmp_inc_icmpoutechos(void); -void snmp_inc_icmpoutechoreps(void); -void snmp_inc_icmpouttimestamps(void); -void snmp_inc_icmpouttimestampreps(void); -void snmp_inc_icmpoutaddrmasks(void); -void snmp_inc_icmpoutaddrmaskreps(void); - -/* TCP */ -void snmp_inc_tcpactiveopens(void); -void snmp_inc_tcppassiveopens(void); -void snmp_inc_tcpattemptfails(void); -void snmp_inc_tcpestabresets(void); -void snmp_inc_tcpinsegs(void); -void snmp_inc_tcpoutsegs(void); -void snmp_inc_tcpretranssegs(void); -void snmp_inc_tcpinerrs(void); -void snmp_inc_tcpoutrsts(void); - -/* UDP */ -void snmp_inc_udpindatagrams(void); -void snmp_inc_udpnoports(void); -void snmp_inc_udpinerrors(void); -void snmp_inc_udpoutdatagrams(void); -void snmp_insert_udpidx_tree(struct udp_pcb *pcb); -void snmp_delete_udpidx_tree(struct udp_pcb *pcb); - -/* SNMP */ -void snmp_inc_snmpinpkts(void); -void snmp_inc_snmpoutpkts(void); -void snmp_inc_snmpinbadversions(void); -void snmp_inc_snmpinbadcommunitynames(void); -void snmp_inc_snmpinbadcommunityuses(void); -void snmp_inc_snmpinasnparseerrs(void); -void snmp_inc_snmpintoobigs(void); -void snmp_inc_snmpinnosuchnames(void); -void snmp_inc_snmpinbadvalues(void); -void snmp_inc_snmpinreadonlys(void); -void snmp_inc_snmpingenerrs(void); -void snmp_add_snmpintotalreqvars(u8_t value); -void snmp_add_snmpintotalsetvars(u8_t value); -void snmp_inc_snmpingetrequests(void); -void snmp_inc_snmpingetnexts(void); -void snmp_inc_snmpinsetrequests(void); -void snmp_inc_snmpingetresponses(void); -void snmp_inc_snmpintraps(void); -void snmp_inc_snmpouttoobigs(void); -void snmp_inc_snmpoutnosuchnames(void); -void snmp_inc_snmpoutbadvalues(void); -void snmp_inc_snmpoutgenerrs(void); -void snmp_inc_snmpoutgetrequests(void); -void snmp_inc_snmpoutgetnexts(void); -void snmp_inc_snmpoutsetrequests(void); -void snmp_inc_snmpoutgetresponses(void); -void snmp_inc_snmpouttraps(void); -void snmp_get_snmpgrpid_ptr(struct snmp_obj_id **oid); -void snmp_set_snmpenableauthentraps(u8_t *value); -void snmp_get_snmpenableauthentraps(u8_t *value); - -/* LWIP_SNMP support not available */ -/* define everything to be empty */ -#else - -/* system */ -#define snmp_set_sysdesr(str, len) -#define snmp_set_sysobjid(oid); -#define snmp_get_sysobjid_ptr(oid) -#define snmp_inc_sysuptime() -#define snmp_add_sysuptime(value) -#define snmp_get_sysuptime(value) -#define snmp_set_syscontact(ocstr, ocstrlen); -#define snmp_set_sysname(ocstr, ocstrlen); -#define snmp_set_syslocation(ocstr, ocstrlen); - -/* network interface */ -#define snmp_add_ifinoctets(ni,value) -#define snmp_inc_ifinucastpkts(ni) -#define snmp_inc_ifinnucastpkts(ni) -#define snmp_inc_ifindiscards(ni) -#define snmp_add_ifoutoctets(ni,value) -#define snmp_inc_ifoutucastpkts(ni) -#define snmp_inc_ifoutnucastpkts(ni) -#define snmp_inc_ifoutdiscards(ni) -#define snmp_inc_iflist() -#define snmp_dec_iflist() - -/* ARP */ -#define snmp_insert_arpidx_tree(ni,ip) -#define snmp_delete_arpidx_tree(ni,ip) - -/* IP */ -#define snmp_inc_ipinreceives() -#define snmp_inc_ipinhdrerrors() -#define snmp_inc_ipinaddrerrors() -#define snmp_inc_ipforwdatagrams() -#define snmp_inc_ipinunknownprotos() -#define snmp_inc_ipindiscards() -#define snmp_inc_ipindelivers() -#define snmp_inc_ipoutrequests() -#define snmp_inc_ipoutdiscards() -#define snmp_inc_ipoutnoroutes() -#define snmp_inc_ipreasmreqds() -#define snmp_inc_ipreasmoks() -#define snmp_inc_ipreasmfails() -#define snmp_inc_ipfragoks() -#define snmp_inc_ipfragfails() -#define snmp_inc_ipfragcreates() -#define snmp_inc_iproutingdiscards() -#define snmp_insert_ipaddridx_tree(ni) -#define snmp_delete_ipaddridx_tree(ni) -#define snmp_insert_iprteidx_tree(dflt, ni) -#define snmp_delete_iprteidx_tree(dflt, ni) - -/* ICMP */ -#define snmp_inc_icmpinmsgs() -#define snmp_inc_icmpinerrors() -#define snmp_inc_icmpindestunreachs() -#define snmp_inc_icmpintimeexcds() -#define snmp_inc_icmpinparmprobs() -#define snmp_inc_icmpinsrcquenchs() -#define snmp_inc_icmpinredirects() -#define snmp_inc_icmpinechos() -#define snmp_inc_icmpinechoreps() -#define snmp_inc_icmpintimestamps() -#define snmp_inc_icmpintimestampreps() -#define snmp_inc_icmpinaddrmasks() -#define snmp_inc_icmpinaddrmaskreps() -#define snmp_inc_icmpoutmsgs() -#define snmp_inc_icmpouterrors() -#define snmp_inc_icmpoutdestunreachs() -#define snmp_inc_icmpouttimeexcds() -#define snmp_inc_icmpoutparmprobs() -#define snmp_inc_icmpoutsrcquenchs() -#define snmp_inc_icmpoutredirects() -#define snmp_inc_icmpoutechos() -#define snmp_inc_icmpoutechoreps() -#define snmp_inc_icmpouttimestamps() -#define snmp_inc_icmpouttimestampreps() -#define snmp_inc_icmpoutaddrmasks() -#define snmp_inc_icmpoutaddrmaskreps() -/* TCP */ -#define snmp_inc_tcpactiveopens() -#define snmp_inc_tcppassiveopens() -#define snmp_inc_tcpattemptfails() -#define snmp_inc_tcpestabresets() -#define snmp_inc_tcpinsegs() -#define snmp_inc_tcpoutsegs() -#define snmp_inc_tcpretranssegs() -#define snmp_inc_tcpinerrs() -#define snmp_inc_tcpoutrsts() - -/* UDP */ -#define snmp_inc_udpindatagrams() -#define snmp_inc_udpnoports() -#define snmp_inc_udpinerrors() -#define snmp_inc_udpoutdatagrams() -#define snmp_insert_udpidx_tree(pcb) -#define snmp_delete_udpidx_tree(pcb) - -/* SNMP */ -#define snmp_inc_snmpinpkts() -#define snmp_inc_snmpoutpkts() -#define snmp_inc_snmpinbadversions() -#define snmp_inc_snmpinbadcommunitynames() -#define snmp_inc_snmpinbadcommunityuses() -#define snmp_inc_snmpinasnparseerrs() -#define snmp_inc_snmpintoobigs() -#define snmp_inc_snmpinnosuchnames() -#define snmp_inc_snmpinbadvalues() -#define snmp_inc_snmpinreadonlys() -#define snmp_inc_snmpingenerrs() -#define snmp_add_snmpintotalreqvars(value) -#define snmp_add_snmpintotalsetvars(value) -#define snmp_inc_snmpingetrequests() -#define snmp_inc_snmpingetnexts() -#define snmp_inc_snmpinsetrequests() -#define snmp_inc_snmpingetresponses() -#define snmp_inc_snmpintraps() -#define snmp_inc_snmpouttoobigs() -#define snmp_inc_snmpoutnosuchnames() -#define snmp_inc_snmpoutbadvalues() -#define snmp_inc_snmpoutgenerrs() -#define snmp_inc_snmpoutgetrequests() -#define snmp_inc_snmpoutgetnexts() -#define snmp_inc_snmpoutsetrequests() -#define snmp_inc_snmpoutgetresponses() -#define snmp_inc_snmpouttraps() -#define snmp_get_snmpgrpid_ptr(oid) -#define snmp_set_snmpenableauthentraps(value) -#define snmp_get_snmpenableauthentraps(value) - -#endif /* LWIP_SNMP */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_SNMP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/snmp_asn1.h b/tools/sdk/lwip/include/lwip/snmp_asn1.h deleted file mode 100644 index 605fa3f16c..0000000000 --- a/tools/sdk/lwip/include/lwip/snmp_asn1.h +++ /dev/null @@ -1,101 +0,0 @@ -/** - * @file - * Abstract Syntax Notation One (ISO 8824, 8825) codec. - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons - */ - -#ifndef __LWIP_SNMP_ASN1_H__ -#define __LWIP_SNMP_ASN1_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/snmp.h" - -#if LWIP_SNMP - -#ifdef __cplusplus -extern "C" { -#endif - -#define SNMP_ASN1_UNIV (0) /* (!0x80 | !0x40) */ -#define SNMP_ASN1_APPLIC (0x40) /* (!0x80 | 0x40) */ -#define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */ - -#define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */ -#define SNMP_ASN1_PRIMIT (0) /* (!0x20) */ - -/* universal tags */ -#define SNMP_ASN1_INTEG 2 -#define SNMP_ASN1_OC_STR 4 -#define SNMP_ASN1_NUL 5 -#define SNMP_ASN1_OBJ_ID 6 -#define SNMP_ASN1_SEQ 16 - -/* application specific (SNMP) tags */ -#define SNMP_ASN1_IPADDR 0 /* octet string size(4) */ -#define SNMP_ASN1_COUNTER 1 /* u32_t */ -#define SNMP_ASN1_GAUGE 2 /* u32_t */ -#define SNMP_ASN1_TIMETICKS 3 /* u32_t */ -#define SNMP_ASN1_OPAQUE 4 /* octet string */ - -/* context specific (SNMP) tags */ -#define SNMP_ASN1_PDU_GET_REQ 0 -#define SNMP_ASN1_PDU_GET_NEXT_REQ 1 -#define SNMP_ASN1_PDU_GET_RESP 2 -#define SNMP_ASN1_PDU_SET_REQ 3 -#define SNMP_ASN1_PDU_TRAP 4 - -err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type); -err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length); -err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value); -err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value); -err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid); -err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw); - -void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed); -void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed); -void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed); -void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed); -err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type); -err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length); -err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value); -err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value); -err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident); -err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_ASN1_H__ */ diff --git a/tools/sdk/lwip/include/lwip/snmp_msg.h b/tools/sdk/lwip/include/lwip/snmp_msg.h deleted file mode 100644 index 1183e3a95b..0000000000 --- a/tools/sdk/lwip/include/lwip/snmp_msg.h +++ /dev/null @@ -1,315 +0,0 @@ -/** - * @file - * SNMP Agent message handling structures. - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons - */ - -#ifndef __LWIP_SNMP_MSG_H__ -#define __LWIP_SNMP_MSG_H__ - -#include "lwip/opt.h" -#include "lwip/snmp.h" -#include "lwip/snmp_structs.h" -#include "lwip/ip_addr.h" -#include "lwip/err.h" - -#if LWIP_SNMP - -#if SNMP_PRIVATE_MIB -/* When using a private MIB, you have to create a file 'private_mib.h' that contains - * a 'struct mib_array_node mib_private' which contains your MIB. */ -#include "private_mib.h" -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* The listen port of the SNMP agent. Clients have to make their requests to - this port. Most standard clients won't work if you change this! */ -#ifndef SNMP_IN_PORT -#define SNMP_IN_PORT 161 -#endif -/* The remote port the SNMP agent sends traps to. Most standard trap sinks won't - work if you change this! */ -#ifndef SNMP_TRAP_PORT -#define SNMP_TRAP_PORT 162 -#endif - -#define SNMP_ES_NOERROR 0 -#define SNMP_ES_TOOBIG 1 -#define SNMP_ES_NOSUCHNAME 2 -#define SNMP_ES_BADVALUE 3 -#define SNMP_ES_READONLY 4 -#define SNMP_ES_GENERROR 5 - -#define SNMP_GENTRAP_COLDSTART 0 -#define SNMP_GENTRAP_WARMSTART 1 -#define SNMP_GENTRAP_AUTHFAIL 4 -#define SNMP_GENTRAP_ENTERPRISESPC 6 - -struct snmp_varbind -{ - /* next pointer, NULL for last in list */ - struct snmp_varbind *next; - /* previous pointer, NULL for first in list */ - struct snmp_varbind *prev; - - /* object identifier length (in s32_t) */ - u8_t ident_len; - /* object identifier array */ - s32_t *ident; - - /* object value ASN1 type */ - u8_t value_type; - /* object value length (in u8_t) */ - u8_t value_len; - /* object value */ - void *value; - - /* encoding varbind seq length length */ - u8_t seqlenlen; - /* encoding object identifier length length */ - u8_t olenlen; - /* encoding object value length length */ - u8_t vlenlen; - /* encoding varbind seq length */ - u16_t seqlen; - /* encoding object identifier length */ - u16_t olen; - /* encoding object value length */ - u16_t vlen; -}; - -struct snmp_varbind_root -{ - struct snmp_varbind *head; - struct snmp_varbind *tail; - /* number of variable bindings in list */ - u8_t count; - /* encoding varbind-list seq length length */ - u8_t seqlenlen; - /* encoding varbind-list seq length */ - u16_t seqlen; -}; - -/** output response message header length fields */ -struct snmp_resp_header_lengths -{ - /* encoding error-index length length */ - u8_t erridxlenlen; - /* encoding error-status length length */ - u8_t errstatlenlen; - /* encoding request id length length */ - u8_t ridlenlen; - /* encoding pdu length length */ - u8_t pdulenlen; - /* encoding community length length */ - u8_t comlenlen; - /* encoding version length length */ - u8_t verlenlen; - /* encoding sequence length length */ - u8_t seqlenlen; - - /* encoding error-index length */ - u16_t erridxlen; - /* encoding error-status length */ - u16_t errstatlen; - /* encoding request id length */ - u16_t ridlen; - /* encoding pdu length */ - u16_t pdulen; - /* encoding community length */ - u16_t comlen; - /* encoding version length */ - u16_t verlen; - /* encoding sequence length */ - u16_t seqlen; -}; - -/** output response message header length fields */ -struct snmp_trap_header_lengths -{ - /* encoding timestamp length length */ - u8_t tslenlen; - /* encoding specific-trap length length */ - u8_t strplenlen; - /* encoding generic-trap length length */ - u8_t gtrplenlen; - /* encoding agent-addr length length */ - u8_t aaddrlenlen; - /* encoding enterprise-id length length */ - u8_t eidlenlen; - /* encoding pdu length length */ - u8_t pdulenlen; - /* encoding community length length */ - u8_t comlenlen; - /* encoding version length length */ - u8_t verlenlen; - /* encoding sequence length length */ - u8_t seqlenlen; - - /* encoding timestamp length */ - u16_t tslen; - /* encoding specific-trap length */ - u16_t strplen; - /* encoding generic-trap length */ - u16_t gtrplen; - /* encoding agent-addr length */ - u16_t aaddrlen; - /* encoding enterprise-id length */ - u16_t eidlen; - /* encoding pdu length */ - u16_t pdulen; - /* encoding community length */ - u16_t comlen; - /* encoding version length */ - u16_t verlen; - /* encoding sequence length */ - u16_t seqlen; -}; - -/* Accepting new SNMP messages. */ -#define SNMP_MSG_EMPTY 0 -/* Search for matching object for variable binding. */ -#define SNMP_MSG_SEARCH_OBJ 1 -/* Perform SNMP operation on in-memory object. - Pass-through states, for symmetry only. */ -#define SNMP_MSG_INTERNAL_GET_OBJDEF 2 -#define SNMP_MSG_INTERNAL_GET_VALUE 3 -#define SNMP_MSG_INTERNAL_SET_TEST 4 -#define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5 -#define SNMP_MSG_INTERNAL_SET_VALUE 6 -/* Perform SNMP operation on object located externally. - In theory this could be used for building a proxy agent. - Practical use is for an enterprise spc. app. gateway. */ -#define SNMP_MSG_EXTERNAL_GET_OBJDEF 7 -#define SNMP_MSG_EXTERNAL_GET_VALUE 8 -#define SNMP_MSG_EXTERNAL_SET_TEST 9 -#define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10 -#define SNMP_MSG_EXTERNAL_SET_VALUE 11 - -#define SNMP_COMMUNITY_STR_LEN 64 -struct snmp_msg_pstat -{ - /* lwIP local port (161) binding */ - struct udp_pcb *pcb; - /* source IP address */ - ip_addr_t sip; - /* source UDP port */ - u16_t sp; - /* request type */ - u8_t rt; - /* request ID */ - s32_t rid; - /* error status */ - s32_t error_status; - /* error index */ - s32_t error_index; - /* community name (zero terminated) */ - u8_t community[SNMP_COMMUNITY_STR_LEN + 1]; - /* community string length (exclusive zero term) */ - u8_t com_strlen; - /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */ - u8_t state; - /* saved arguments for MSG_EXTERNAL_x */ - struct mib_external_node *ext_mib_node; - struct snmp_name_ptr ext_name_ptr; - struct obj_def ext_object_def; - struct snmp_obj_id ext_oid; - /* index into input variable binding list */ - u8_t vb_idx; - /* ptr into input variable binding list */ - struct snmp_varbind *vb_ptr; - /* list of variable bindings from input */ - struct snmp_varbind_root invb; - /* list of variable bindings to output */ - struct snmp_varbind_root outvb; - /* output response lengths used in ASN encoding */ - struct snmp_resp_header_lengths rhl; -}; - -struct snmp_msg_trap -{ - /* lwIP local port (161) binding */ - struct udp_pcb *pcb; - /* destination IP address in network order */ - ip_addr_t dip; - - /* source enterprise ID (sysObjectID) */ - struct snmp_obj_id *enterprise; - /* source IP address, raw network order format */ - u8_t sip_raw[4]; - /* generic trap code */ - u32_t gen_trap; - /* specific trap code */ - u32_t spc_trap; - /* timestamp */ - u32_t ts; - /* list of variable bindings to output */ - struct snmp_varbind_root outvb; - /* output trap lengths used in ASN encoding */ - struct snmp_trap_header_lengths thl; -}; - -/** Agent Version constant, 0 = v1 oddity */ -extern const s32_t snmp_version; -/** Agent default "public" community string */ -extern const char snmp_publiccommunity[7]; - -extern struct snmp_msg_trap trap_msg; - -/** Agent setup, start listening to port 161. */ -void snmp_init(void); -void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable); -void snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst); - -/** Varbind-list functions. */ -struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len); -void snmp_varbind_free(struct snmp_varbind *vb); -void snmp_varbind_list_free(struct snmp_varbind_root *root); -void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb); -struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root); - -/** Handle an internal (recv) or external (private response) event. */ -void snmp_msg_event(u8_t request_id); -err_t snmp_send_response(struct snmp_msg_pstat *m_stat); -err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap); -void snmp_coldstart_trap(void); -void snmp_authfail_trap(void); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_MSG_H__ */ diff --git a/tools/sdk/lwip/include/lwip/snmp_structs.h b/tools/sdk/lwip/include/lwip/snmp_structs.h deleted file mode 100644 index 0d3b46a928..0000000000 --- a/tools/sdk/lwip/include/lwip/snmp_structs.h +++ /dev/null @@ -1,268 +0,0 @@ -/** - * @file - * Generic MIB tree structures. - * - * @todo namespace prefixes - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons - */ - -#ifndef __LWIP_SNMP_STRUCTS_H__ -#define __LWIP_SNMP_STRUCTS_H__ - -#include "lwip/opt.h" - -#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/snmp.h" - -#if SNMP_PRIVATE_MIB -/* When using a private MIB, you have to create a file 'private_mib.h' that contains - * a 'struct mib_array_node mib_private' which contains your MIB. */ -#include "private_mib.h" -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* MIB object instance */ -#define MIB_OBJECT_NONE 0 -#define MIB_OBJECT_SCALAR 1 -#define MIB_OBJECT_TAB 2 - -/* MIB access types */ -#define MIB_ACCESS_READ 1 -#define MIB_ACCESS_WRITE 2 - -/* MIB object access */ -#define MIB_OBJECT_READ_ONLY MIB_ACCESS_READ -#define MIB_OBJECT_READ_WRITE (MIB_ACCESS_READ | MIB_ACCESS_WRITE) -#define MIB_OBJECT_WRITE_ONLY MIB_ACCESS_WRITE -#define MIB_OBJECT_NOT_ACCESSIBLE 0 - -/** object definition returned by (get_object_def)() */ -struct obj_def -{ - /* MIB_OBJECT_NONE (0), MIB_OBJECT_SCALAR (1), MIB_OBJECT_TAB (2) */ - u8_t instance; - /* 0 read-only, 1 read-write, 2 write-only, 3 not-accessible */ - u8_t access; - /* ASN type for this object */ - u8_t asn_type; - /* value length (host length) */ - u16_t v_len; - /* length of instance part of supplied object identifier */ - u8_t id_inst_len; - /* instance part of supplied object identifier */ - s32_t *id_inst_ptr; -}; - -struct snmp_name_ptr -{ - u8_t ident_len; - s32_t *ident; -}; - -/** MIB const scalar (.0) node */ -#define MIB_NODE_SC 0x01 -/** MIB const array node */ -#define MIB_NODE_AR 0x02 -/** MIB array node (mem_malloced from RAM) */ -#define MIB_NODE_RA 0x03 -/** MIB list root node (mem_malloced from RAM) */ -#define MIB_NODE_LR 0x04 -/** MIB node for external objects */ -#define MIB_NODE_EX 0x05 - -/** node "base class" layout, the mandatory fields for a node */ -struct mib_node -{ - /** returns struct obj_def for the given object identifier */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - /** returns object value for the given object identifier, - @note the caller must allocate at least len bytes for the value */ - void (*get_value)(struct obj_def *od, u16_t len, void *value); - /** tests length and/or range BEFORE setting */ - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - /** sets object value, only to be called when set_test() */ - void (*set_value)(struct obj_def *od, u16_t len, void *value); - /** One out of MIB_NODE_AR, MIB_NODE_LR or MIB_NODE_EX */ - u8_t node_type; - /* array or max list length */ - u16_t maxlength; -}; - -/** derived node for scalars .0 index */ -typedef struct mib_node mib_scalar_node; - -/** derived node, points to a fixed size const array - of sub-identifiers plus a 'child' pointer */ -struct mib_array_node -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* additional struct members */ - const s32_t *objid; - struct mib_node* const *nptr; -}; - -/** derived node, points to a fixed size mem_malloced array - of sub-identifiers plus a 'child' pointer */ -struct mib_ram_array_node -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* aditional struct members */ - s32_t *objid; - struct mib_node **nptr; -}; - -struct mib_list_node -{ - struct mib_list_node *prev; - struct mib_list_node *next; - s32_t objid; - struct mib_node *nptr; -}; - -/** derived node, points to a doubly linked list - of sub-identifiers plus a 'child' pointer */ -struct mib_list_rootnode -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* additional struct members */ - struct mib_list_node *head; - struct mib_list_node *tail; - /* counts list nodes in list */ - u16_t count; -}; - -/** derived node, has access functions for mib object in external memory or device - using 'tree_level' and 'idx', with a range 0 .. (level_length() - 1) */ -struct mib_external_node -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* additional struct members */ - /** points to an external (in memory) record of some sort of addressing - information, passed to and interpreted by the funtions below */ - void* addr_inf; - /** tree levels under this node */ - u8_t tree_levels; - /** number of objects at this level */ - u16_t (*level_length)(void* addr_inf, u8_t level); - /** compares object sub identifier with external id - return zero when equal, nonzero when unequal */ - s32_t (*ident_cmp)(void* addr_inf, u8_t level, u16_t idx, s32_t sub_id); - void (*get_objid)(void* addr_inf, u8_t level, u16_t idx, s32_t *sub_id); - - /** async Questions */ - void (*get_object_def_q)(void* addr_inf, u8_t rid, u8_t ident_len, s32_t *ident); - void (*get_value_q)(u8_t rid, struct obj_def *od); - void (*set_test_q)(u8_t rid, struct obj_def *od); - void (*set_value_q)(u8_t rid, struct obj_def *od, u16_t len, void *value); - /** async Answers */ - void (*get_object_def_a)(u8_t rid, u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - u8_t (*set_test_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - void (*set_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - /** async Panic Close (agent returns error reply, - e.g. used for external transaction cleanup) */ - void (*get_object_def_pc)(u8_t rid, u8_t ident_len, s32_t *ident); - void (*get_value_pc)(u8_t rid, struct obj_def *od); - void (*set_test_pc)(u8_t rid, struct obj_def *od); - void (*set_value_pc)(u8_t rid, struct obj_def *od); -}; - -/** export MIB tree from mib2.c */ -extern const struct mib_array_node internet; - -/** dummy function pointers for non-leaf MIB nodes from mib2.c */ -void noleafs_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od); -void noleafs_get_value(struct obj_def *od, u16_t len, void *value); -u8_t noleafs_set_test(struct obj_def *od, u16_t len, void *value); -void noleafs_set_value(struct obj_def *od, u16_t len, void *value); - -void snmp_oidtoip(s32_t *ident, ip_addr_t *ip); -void snmp_iptooid(ip_addr_t *ip, s32_t *ident); -void snmp_ifindextonetif(s32_t ifindex, struct netif **netif); -void snmp_netiftoifindex(struct netif *netif, s32_t *ifidx); - -struct mib_list_node* snmp_mib_ln_alloc(s32_t id); -void snmp_mib_ln_free(struct mib_list_node *ln); -struct mib_list_rootnode* snmp_mib_lrn_alloc(void); -void snmp_mib_lrn_free(struct mib_list_rootnode *lrn); - -s8_t snmp_mib_node_insert(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **insn); -s8_t snmp_mib_node_find(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **fn); -struct mib_list_rootnode *snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n); - -struct mib_node* snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_name_ptr *np); -struct mib_node* snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret); -u8_t snmp_iso_prefix_tst(u8_t ident_len, s32_t *ident); -u8_t snmp_iso_prefix_expand(u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_STRUCTS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/sntp.h b/tools/sdk/lwip/include/lwip/sntp.h deleted file mode 100644 index e0d523be1e..0000000000 --- a/tools/sdk/lwip/include/lwip/sntp.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef LWIP_SNTP_H -#define LWIP_SNTP_H - -#include "lwip/opt.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef long time_t; - -/** The maximum number of SNTP servers that can be set */ -#ifndef SNTP_MAX_SERVERS -#define SNTP_MAX_SERVERS 3 -#endif - -/** Set this to 1 to implement the callback function called by dhcp when - * NTP servers are received. */ -#ifndef SNTP_GET_SERVERS_FROM_DHCP -#define SNTP_GET_SERVERS_FROM_DHCP 0//LWIP_DHCP_GET_NTP_SRV -#endif - -/* Set this to 1 to support DNS names (or IP address strings) to set sntp servers */ -#ifndef SNTP_SERVER_DNS -#define SNTP_SERVER_DNS 1 -#endif - -bool sntp_get_timetype(void); -void sntp_set_receive_time_size(void); -/** One server address/name can be defined as default if SNTP_SERVER_DNS == 1: - * #define SNTP_SERVER_ADDRESS "pool.ntp.org" - */ -uint32 sntp_get_current_timestamp(); -char* sntp_get_real_time(long t); - -void sntp_init(void); -void sntp_stop(void); - -sint8 sntp_get_timezone(void); -bool sntp_set_timezone(sint8 timezone); -void sntp_setserver(u8_t idx, ip_addr_t *addr); -ip_addr_t sntp_getserver(u8_t idx); - -#if SNTP_SERVER_DNS -void sntp_setservername(u8_t idx, char *server); -char *sntp_getservername(u8_t idx); -#endif /* SNTP_SERVER_DNS */ - -#if SNTP_GET_SERVERS_FROM_DHCP -void sntp_servermode_dhcp(int set_servers_from_dhcp); -#else /* SNTP_GET_SERVERS_FROM_DHCP */ -#define sntp_servermode_dhcp(x) -#endif /* SNTP_GET_SERVERS_FROM_DHCP */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNTP_H */ diff --git a/tools/sdk/lwip/include/lwip/sockets.h b/tools/sdk/lwip/include/lwip/sockets.h deleted file mode 100644 index 3c8fed24e6..0000000000 --- a/tools/sdk/lwip/include/lwip/sockets.h +++ /dev/null @@ -1,376 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - - -#ifndef __LWIP_SOCKETS_H__ -#define __LWIP_SOCKETS_H__ - -#include "lwip/opt.h" - -#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */ - -#include /* for size_t */ - -#include "lwip/ip_addr.h" -#include "lwip/inet.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* members are in network byte order */ -struct sockaddr_in { - u8_t sin_len; - u8_t sin_family; - u16_t sin_port; - struct in_addr sin_addr; - char sin_zero[8]; -}; - -struct sockaddr { - u8_t sa_len; - u8_t sa_family; - char sa_data[14]; -}; - -#ifndef socklen_t -# define socklen_t u32_t -#endif - -/* Socket protocol types (TCP/UDP/RAW) */ -#define SOCK_STREAM 1 -#define SOCK_DGRAM 2 -#define SOCK_RAW 3 - -/* - * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c) - */ -#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */ -#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ -#define SO_REUSEADDR 0x0004 /* Allow local address reuse */ -#define SO_KEEPALIVE 0x0008 /* keep connections alive */ -#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */ -#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ -#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */ -#define SO_LINGER 0x0080 /* linger on close if data present */ -#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */ -#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */ - -#define SO_DONTLINGER ((int)(~SO_LINGER)) - -/* - * Additional options, not kept in so_options. - */ -#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */ -#define SO_RCVBUF 0x1002 /* receive buffer size */ -#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */ -#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */ -#define SO_SNDTIMEO 0x1005 /* Unimplemented: send timeout */ -#define SO_RCVTIMEO 0x1006 /* receive timeout */ -#define SO_ERROR 0x1007 /* get error status and clear */ -#define SO_TYPE 0x1008 /* get socket type */ -#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */ -#define SO_NO_CHECK 0x100a /* don't create UDP checksum */ - - -/* - * Structure used for manipulating linger option. - */ -struct linger { - int l_onoff; /* option on/off */ - int l_linger; /* linger time */ -}; - -/* - * Level number for (get/set)sockopt() to apply to socket itself. - */ -#define SOL_SOCKET 0xfff /* options for socket level */ - - -#define AF_UNSPEC 0 -#define AF_INET 2 -#define PF_INET AF_INET -#define PF_UNSPEC AF_UNSPEC - -#define IPPROTO_IP 0 -#define IPPROTO_TCP 6 -#define IPPROTO_UDP 17 -#define IPPROTO_UDPLITE 136 - -/* Flags we can use with send and recv. */ -#define MSG_PEEK 0x01 /* Peeks at an incoming message */ -#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */ -#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */ -#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */ -#define MSG_MORE 0x10 /* Sender will send more */ - - -/* - * Options for level IPPROTO_IP - */ -#define IP_TOS 1 -#define IP_TTL 2 - -#if LWIP_TCP -/* - * Options for level IPPROTO_TCP - */ -#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ -#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */ -#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */ -#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */ -#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */ -#endif /* LWIP_TCP */ - -#if LWIP_UDP && LWIP_UDPLITE -/* - * Options for level IPPROTO_UDPLITE - */ -#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */ -#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */ -#endif /* LWIP_UDP && LWIP_UDPLITE*/ - - -#if LWIP_IGMP -/* - * Options and types for UDP multicast traffic handling - */ -#define IP_ADD_MEMBERSHIP 3 -#define IP_DROP_MEMBERSHIP 4 -#define IP_MULTICAST_TTL 5 -#define IP_MULTICAST_IF 6 -#define IP_MULTICAST_LOOP 7 - -typedef struct ip_mreq { - struct in_addr imr_multiaddr; /* IP multicast address of group */ - struct in_addr imr_interface; /* local IP address of interface */ -} ip_mreq; -#endif /* LWIP_IGMP */ - -/* - * The Type of Service provides an indication of the abstract - * parameters of the quality of service desired. These parameters are - * to be used to guide the selection of the actual service parameters - * when transmitting a datagram through a particular network. Several - * networks offer service precedence, which somehow treats high - * precedence traffic as more important than other traffic (generally - * by accepting only traffic above a certain precedence at time of high - * load). The major choice is a three way tradeoff between low-delay, - * high-reliability, and high-throughput. - * The use of the Delay, Throughput, and Reliability indications may - * increase the cost (in some sense) of the service. In many networks - * better performance for one of these parameters is coupled with worse - * performance on another. Except for very unusual cases at most two - * of these three indications should be set. - */ -#define IPTOS_TOS_MASK 0x1E -#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) -#define IPTOS_LOWDELAY 0x10 -#define IPTOS_THROUGHPUT 0x08 -#define IPTOS_RELIABILITY 0x04 -#define IPTOS_LOWCOST 0x02 -#define IPTOS_MINCOST IPTOS_LOWCOST - -/* - * The Network Control precedence designation is intended to be used - * within a network only. The actual use and control of that - * designation is up to each network. The Internetwork Control - * designation is intended for use by gateway control originators only. - * If the actual use of these precedence designations is of concern to - * a particular network, it is the responsibility of that network to - * control the access to, and use of, those precedence designations. - */ -#define IPTOS_PREC_MASK 0xe0 -#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) -#define IPTOS_PREC_NETCONTROL 0xe0 -#define IPTOS_PREC_INTERNETCONTROL 0xc0 -#define IPTOS_PREC_CRITIC_ECP 0xa0 -#define IPTOS_PREC_FLASHOVERRIDE 0x80 -#define IPTOS_PREC_FLASH 0x60 -#define IPTOS_PREC_IMMEDIATE 0x40 -#define IPTOS_PREC_PRIORITY 0x20 -#define IPTOS_PREC_ROUTINE 0x00 - - -/* - * Commands for ioctlsocket(), taken from the BSD file fcntl.h. - * lwip_ioctl only supports FIONREAD and FIONBIO, for now - * - * Ioctl's have the command encoded in the lower word, - * and the size of any in or out parameters in the upper - * word. The high 2 bits of the upper word are used - * to encode the in/out status of the parameter; for now - * we restrict parameters to at most 128 bytes. - */ -#if !defined(FIONREAD) || !defined(FIONBIO) -#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */ -#define IOC_VOID 0x20000000UL /* no parameters */ -#define IOC_OUT 0x40000000UL /* copy out parameters */ -#define IOC_IN 0x80000000UL /* copy in parameters */ -#define IOC_INOUT (IOC_IN|IOC_OUT) - /* 0x20000000 distinguishes new & - old ioctl's */ -#define _IO(x,y) (IOC_VOID|((x)<<8)|(y)) - -#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) - -#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) -#endif /* !defined(FIONREAD) || !defined(FIONBIO) */ - -#ifndef FIONREAD -#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */ -#endif -#ifndef FIONBIO -#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */ -#endif - -/* Socket I/O Controls: unimplemented */ -#ifndef SIOCSHIWAT -#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */ -#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */ -#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */ -#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */ -#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */ -#endif - -/* commands for fnctl */ -#ifndef F_GETFL -#define F_GETFL 3 -#endif -#ifndef F_SETFL -#define F_SETFL 4 -#endif - -/* File status flags and file access modes for fnctl, - these are bits in an int. */ -#ifndef O_NONBLOCK -#define O_NONBLOCK 1 /* nonblocking I/O */ -#endif -#ifndef O_NDELAY -#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */ -#endif - -#ifndef SHUT_RD - #define SHUT_RD 0 - #define SHUT_WR 1 - #define SHUT_RDWR 2 -#endif - -/* FD_SET used for lwip_select */ -#ifndef FD_SET - #undef FD_SETSIZE - /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */ - #define FD_SETSIZE MEMP_NUM_NETCONN - #define FD_SET(n, p) ((p)->fd_bits[(n)/8] |= (1 << ((n) & 7))) - #define FD_CLR(n, p) ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7))) - #define FD_ISSET(n,p) ((p)->fd_bits[(n)/8] & (1 << ((n) & 7))) - #define FD_ZERO(p) memset((void*)(p),0,sizeof(*(p))) - - typedef struct fd_set { - unsigned char fd_bits [(FD_SETSIZE+7)/8]; - } fd_set; - -#endif /* FD_SET */ - -/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided - * by your system, set this to 0 and include in cc.h */ -#ifndef LWIP_TIMEVAL_PRIVATE -#define LWIP_TIMEVAL_PRIVATE 1 -#endif - -#if LWIP_TIMEVAL_PRIVATE -struct timeval { - long tv_sec; /* seconds */ - long tv_usec; /* and microseconds */ -}; -#endif /* LWIP_TIMEVAL_PRIVATE */ - -void lwip_socket_init(void); - -int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen); -int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen); -int lwip_shutdown(int s, int how); -int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen); -int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen); -int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen); -int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen); -int lwip_close(int s); -int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen); -int lwip_listen(int s, int backlog); -int lwip_recv(int s, void *mem, size_t len, int flags); -int lwip_read(int s, void *mem, size_t len); -int lwip_recvfrom(int s, void *mem, size_t len, int flags, - struct sockaddr *from, socklen_t *fromlen); -int lwip_send(int s, const void *dataptr, size_t size, int flags); -int lwip_sendto(int s, const void *dataptr, size_t size, int flags, - const struct sockaddr *to, socklen_t tolen); -int lwip_socket(int domain, int type, int protocol); -int lwip_write(int s, const void *dataptr, size_t size); -int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, - struct timeval *timeout); -int lwip_ioctl(int s, long cmd, void *argp); -int lwip_fcntl(int s, int cmd, int val); - -#if LWIP_COMPAT_SOCKETS -#define accept(a,b,c) lwip_accept(a,b,c) -#define bind(a,b,c) lwip_bind(a,b,c) -#define shutdown(a,b) lwip_shutdown(a,b) -#define closesocket(s) lwip_close(s) -#define connect(a,b,c) lwip_connect(a,b,c) -#define getsockname(a,b,c) lwip_getsockname(a,b,c) -#define getpeername(a,b,c) lwip_getpeername(a,b,c) -#define setsockopt(a,b,c,d,e) lwip_setsockopt(a,b,c,d,e) -#define getsockopt(a,b,c,d,e) lwip_getsockopt(a,b,c,d,e) -#define listen(a,b) lwip_listen(a,b) -#define recv(a,b,c,d) lwip_recv(a,b,c,d) -#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f) -#define send(a,b,c,d) lwip_send(a,b,c,d) -#define sendto(a,b,c,d,e,f) lwip_sendto(a,b,c,d,e,f) -#define socket(a,b,c) lwip_socket(a,b,c) -#define select(a,b,c,d,e) lwip_select(a,b,c,d,e) -#define ioctlsocket(a,b,c) lwip_ioctl(a,b,c) - -#if LWIP_POSIX_SOCKETS_IO_NAMES -#define read(a,b,c) lwip_read(a,b,c) -#define write(a,b,c) lwip_write(a,b,c) -#define close(s) lwip_close(s) -#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ - -#endif /* LWIP_COMPAT_SOCKETS */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SOCKET */ - -#endif /* __LWIP_SOCKETS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/stats.h b/tools/sdk/lwip/include/lwip/stats.h deleted file mode 100644 index 43883217ec..0000000000 --- a/tools/sdk/lwip/include/lwip/stats.h +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_STATS_H__ -#define __LWIP_STATS_H__ - -#include "lwip/opt.h" - -#include "lwip/mem.h" -#include "lwip/memp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if LWIP_STATS - -#ifndef LWIP_STATS_LARGE -#define LWIP_STATS_LARGE 0 -#endif - -#if LWIP_STATS_LARGE -#define STAT_COUNTER u32_t -#define STAT_COUNTER_F U32_F -#else -#define STAT_COUNTER u16_t -#define STAT_COUNTER_F U16_F -#endif - -struct stats_proto { - STAT_COUNTER xmit; /* Transmitted packets. */ - STAT_COUNTER recv; /* Received packets. */ - STAT_COUNTER fw; /* Forwarded packets. */ - STAT_COUNTER drop; /* Dropped packets. */ - STAT_COUNTER chkerr; /* Checksum error. */ - STAT_COUNTER lenerr; /* Invalid length error. */ - STAT_COUNTER memerr; /* Out of memory error. */ - STAT_COUNTER rterr; /* Routing error. */ - STAT_COUNTER proterr; /* Protocol error. */ - STAT_COUNTER opterr; /* Error in options. */ - STAT_COUNTER err; /* Misc error. */ - STAT_COUNTER cachehit; -}; - -struct stats_igmp { - STAT_COUNTER xmit; /* Transmitted packets. */ - STAT_COUNTER recv; /* Received packets. */ - STAT_COUNTER drop; /* Dropped packets. */ - STAT_COUNTER chkerr; /* Checksum error. */ - STAT_COUNTER lenerr; /* Invalid length error. */ - STAT_COUNTER memerr; /* Out of memory error. */ - STAT_COUNTER proterr; /* Protocol error. */ - STAT_COUNTER rx_v1; /* Received v1 frames. */ - STAT_COUNTER rx_group; /* Received group-specific queries. */ - STAT_COUNTER rx_general; /* Received general queries. */ - STAT_COUNTER rx_report; /* Received reports. */ - STAT_COUNTER tx_join; /* Sent joins. */ - STAT_COUNTER tx_leave; /* Sent leaves. */ - STAT_COUNTER tx_report; /* Sent reports. */ -}; - -struct stats_mem { -#ifdef LWIP_DEBUG - const char *name; -#endif /* LWIP_DEBUG */ - mem_size_t avail; - mem_size_t used; - mem_size_t max; - STAT_COUNTER err; - STAT_COUNTER illegal; -}; - -struct stats_syselem { - STAT_COUNTER used; - STAT_COUNTER max; - STAT_COUNTER err; -}; - -struct stats_sys { - struct stats_syselem sem; - struct stats_syselem mutex; - struct stats_syselem mbox; -}; - -struct stats_ { -#if LINK_STATS - struct stats_proto link; -#endif -#if ETHARP_STATS - struct stats_proto etharp; -#endif -#if IPFRAG_STATS - struct stats_proto ip_frag; -#endif -#if IP_STATS - struct stats_proto ip; -#endif -#if ICMP_STATS - struct stats_proto icmp; -#endif -#if IGMP_STATS - struct stats_igmp igmp; -#endif -#if UDP_STATS - struct stats_proto udp; -#endif -#if TCP_STATS - struct stats_proto tcp; -#endif -#if MEM_STATS - struct stats_mem mem; -#endif -#if MEMP_STATS - struct stats_mem memp[MEMP_MAX]; -#endif -#if SYS_STATS - struct stats_sys sys; -#endif -}; - -extern struct stats_ lwip_stats; - -void stats_init(void)ICACHE_FLASH_ATTR; - -#define STATS_INC(x) ++lwip_stats.x -#define STATS_DEC(x) --lwip_stats.x -#define STATS_INC_USED(x, y) do { lwip_stats.x.used += y; \ - if (lwip_stats.x.max < lwip_stats.x.used) { \ - lwip_stats.x.max = lwip_stats.x.used; \ - } \ - } while(0) -#else /* LWIP_STATS */ -#define stats_init() -#define STATS_INC(x) -#define STATS_DEC(x) -#define STATS_INC_USED(x) -#endif /* LWIP_STATS */ - -#if TCP_STATS -#define TCP_STATS_INC(x) STATS_INC(x) -#define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP") -#else -#define TCP_STATS_INC(x) -#define TCP_STATS_DISPLAY() -#endif - -#if UDP_STATS -#define UDP_STATS_INC(x) STATS_INC(x) -#define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP") -#else -#define UDP_STATS_INC(x) -#define UDP_STATS_DISPLAY() -#endif - -#if ICMP_STATS -#define ICMP_STATS_INC(x) STATS_INC(x) -#define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP") -#else -#define ICMP_STATS_INC(x) -#define ICMP_STATS_DISPLAY() -#endif - -#if IGMP_STATS -#define IGMP_STATS_INC(x) STATS_INC(x) -#define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp) -#else -#define IGMP_STATS_INC(x) -#define IGMP_STATS_DISPLAY() -#endif - -#if IP_STATS -#define IP_STATS_INC(x) STATS_INC(x) -#define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP") -#else -#define IP_STATS_INC(x) -#define IP_STATS_DISPLAY() -#endif - -#if IPFRAG_STATS -#define IPFRAG_STATS_INC(x) STATS_INC(x) -#define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG") -#else -#define IPFRAG_STATS_INC(x) -#define IPFRAG_STATS_DISPLAY() -#endif - -#if ETHARP_STATS -#define ETHARP_STATS_INC(x) STATS_INC(x) -#define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP") -#else -#define ETHARP_STATS_INC(x) -#define ETHARP_STATS_DISPLAY() -#endif - -#if LINK_STATS -#define LINK_STATS_INC(x) STATS_INC(x) -#define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK") -#else -#define LINK_STATS_INC(x) -#define LINK_STATS_DISPLAY() -#endif - -#if MEM_STATS -#define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y -#define MEM_STATS_INC(x) STATS_INC(mem.x) -#define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y) -#define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y -#define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP") -#else -#define MEM_STATS_AVAIL(x, y) -#define MEM_STATS_INC(x) -#define MEM_STATS_INC_USED(x, y) -#define MEM_STATS_DEC_USED(x, y) -#define MEM_STATS_DISPLAY() -#endif - -#if MEMP_STATS -#define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y -#define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x) -#define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x) -#define MEMP_STATS_INC_USED(x, i) STATS_INC_USED(memp[i], 1) -#define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i) -#else -#define MEMP_STATS_AVAIL(x, i, y) -#define MEMP_STATS_INC(x, i) -#define MEMP_STATS_DEC(x, i) -#define MEMP_STATS_INC_USED(x, i) -#define MEMP_STATS_DISPLAY(i) -#endif - -#if SYS_STATS -#define SYS_STATS_INC(x) STATS_INC(sys.x) -#define SYS_STATS_DEC(x) STATS_DEC(sys.x) -#define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1) -#define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys) -#else -#define SYS_STATS_INC(x) -#define SYS_STATS_DEC(x) -#define SYS_STATS_INC_USED(x) -#define SYS_STATS_DISPLAY() -#endif - -/* Display of statistics */ -#if LWIP_STATS_DISPLAY -void stats_display(void)ICACHE_FLASH_ATTR; -void stats_display_proto(struct stats_proto *proto, char *name)ICACHE_FLASH_ATTR; -void stats_display_igmp(struct stats_igmp *igmp)ICACHE_FLASH_ATTR; -void stats_display_mem(struct stats_mem *mem, char *name)ICACHE_FLASH_ATTR; -void stats_display_memp(struct stats_mem *mem, int index)ICACHE_FLASH_ATTR; -void stats_display_sys(struct stats_sys *sys)ICACHE_FLASH_ATTR; -#else /* LWIP_STATS_DISPLAY */ -#define stats_display() -#define stats_display_proto(proto, name) -#define stats_display_igmp(igmp) -#define stats_display_mem(mem, name) -#define stats_display_memp(mem, index) -#define stats_display_sys(sys) -#endif /* LWIP_STATS_DISPLAY */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_STATS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/sys.h b/tools/sdk/lwip/include/lwip/sys.h deleted file mode 100644 index 31a9dea741..0000000000 --- a/tools/sdk/lwip/include/lwip/sys.h +++ /dev/null @@ -1,337 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_SYS_H__ -#define __LWIP_SYS_H__ - -#include "lwip/opt.h" - -#include "eagle_soc.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if NO_SYS - -/* For a totally minimal and standalone system, we provide null - definitions of the sys_ functions. */ -typedef u8_t sys_sem_t; -typedef u8_t sys_mutex_t; -typedef u8_t sys_mbox_t; - -#define sys_sem_new(s, c) ERR_OK -#define sys_sem_signal(s) -#define sys_sem_wait(s) -#define sys_arch_sem_wait(s,t) -#define sys_sem_free(s) -#define sys_mutex_new(mu) ERR_OK -#define sys_mutex_lock(mu) -#define sys_mutex_unlock(mu) -#define sys_mutex_free(mu) -#define sys_mbox_new(m, s) ERR_OK -#define sys_mbox_fetch(m,d) -#define sys_mbox_tryfetch(m,d) -#define sys_mbox_post(m,d) -#define sys_mbox_trypost(m,d) -#define sys_mbox_free(m) - -#define sys_thread_new(n,t,a,s,p) - -#define sys_msleep(t) - -#else /* NO_SYS */ - -/** Return code for timeouts from sys_arch_mbox_fetch and sys_arch_sem_wait */ -#define SYS_ARCH_TIMEOUT 0xffffffffUL - -/** sys_mbox_tryfetch() returns SYS_MBOX_EMPTY if appropriate. - * For now we use the same magic value, but we allow this to change in future. - */ -#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT - -#include "lwip/err.h" -#include "arch/sys_arch.h" - -/** Function prototype for thread functions */ -typedef void (*lwip_thread_fn)(void *arg); - -/* Function prototypes for functions to be implemented by platform ports - (in sys_arch.c) */ - -/* Mutex functions: */ - -/** Define LWIP_COMPAT_MUTEX if the port has no mutexes and binary semaphores - should be used instead */ -#if LWIP_COMPAT_MUTEX -/* for old ports that don't have mutexes: define them to binary semaphores */ -#define sys_mutex_t sys_sem_t -#define sys_mutex_new(mutex) sys_sem_new(mutex, 1) -#define sys_mutex_lock(mutex) sys_sem_wait(mutex) -#define sys_mutex_unlock(mutex) sys_sem_signal(mutex) -#define sys_mutex_free(mutex) sys_sem_free(mutex) -#define sys_mutex_valid(mutex) sys_sem_valid(mutex) -#define sys_mutex_set_invalid(mutex) sys_sem_set_invalid(mutex) - -#else /* LWIP_COMPAT_MUTEX */ - -/** Create a new mutex - * @param mutex pointer to the mutex to create - * @return a new mutex */ -err_t sys_mutex_new(sys_mutex_t *mutex); -/** Lock a mutex - * @param mutex the mutex to lock */ -void sys_mutex_lock(sys_mutex_t *mutex); -/** Unlock a mutex - * @param mutex the mutex to unlock */ -void sys_mutex_unlock(sys_mutex_t *mutex); -/** Delete a semaphore - * @param mutex the mutex to delete */ -void sys_mutex_free(sys_mutex_t *mutex); -#ifndef sys_mutex_valid -/** Check if a mutex is valid/allocated: return 1 for valid, 0 for invalid */ -int sys_mutex_valid(sys_mutex_t *mutex); -#endif -#ifndef sys_mutex_set_invalid -/** Set a mutex invalid so that sys_mutex_valid returns 0 */ -void sys_mutex_set_invalid(sys_mutex_t *mutex); -#endif -#endif /* LWIP_COMPAT_MUTEX */ - -/* Semaphore functions: */ - -/** Create a new semaphore - * @param sem pointer to the semaphore to create - * @param count initial count of the semaphore - * @return ERR_OK if successful, another err_t otherwise */ -err_t sys_sem_new(sys_sem_t *sem, u8_t count); -/** Signals a semaphore - * @param sem the semaphore to signal */ -void sys_sem_signal(sys_sem_t *sem); -/** Wait for a semaphore for the specified timeout - * @param sem the semaphore to wait for - * @param timeout timeout in milliseconds to wait (0 = wait forever) - * @return time (in milliseconds) waited for the semaphore - * or SYS_ARCH_TIMEOUT on timeout */ -u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout); -/** Delete a semaphore - * @param sem semaphore to delete */ -void sys_sem_free(sys_sem_t *sem); -/** Wait for a semaphore - forever/no timeout */ -#define sys_sem_wait(sem) sys_arch_sem_wait(sem, 0) -#ifndef sys_sem_valid -/** Check if a sempahore is valid/allocated: return 1 for valid, 0 for invalid */ -int sys_sem_valid(sys_sem_t *sem); -#endif -#ifndef sys_sem_set_invalid -/** Set a semaphore invalid so that sys_sem_valid returns 0 */ -void sys_sem_set_invalid(sys_sem_t *sem); -#endif - -/* Time functions. */ -#ifndef sys_msleep -void sys_msleep(u32_t ms); /* only has a (close to) 1 jiffy resolution. */ -#endif - -/* Mailbox functions. */ - -/** Create a new mbox of specified size - * @param mbox pointer to the mbox to create - * @param size (miminum) number of messages in this mbox - * @return ERR_OK if successful, another err_t otherwise */ -err_t sys_mbox_new(sys_mbox_t *mbox, int size); -/** Post a message to an mbox - may not fail - * -> blocks if full, only used from tasks not from ISR - * @param mbox mbox to posts the message - * @param msg message to post (ATTENTION: can be NULL) */ -void sys_mbox_post(sys_mbox_t *mbox, void *msg); -/** Try to post a message to an mbox - may fail if full or ISR - * @param mbox mbox to posts the message - * @param msg message to post (ATTENTION: can be NULL) */ -err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg); -/** Wait for a new message to arrive in the mbox - * @param mbox mbox to get a message from - * @param msg pointer where the message is stored - * @param timeout maximum time (in milliseconds) to wait for a message - * @return time (in milliseconds) waited for a message, may be 0 if not waited - or SYS_ARCH_TIMEOUT on timeout - * The returned time has to be accurate to prevent timer jitter! */ -u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout); -/* Allow port to override with a macro, e.g. special timout for sys_arch_mbox_fetch() */ -#ifndef sys_arch_mbox_tryfetch -/** Wait for a new message to arrive in the mbox - * @param mbox mbox to get a message from - * @param msg pointer where the message is stored - * @param timeout maximum time (in milliseconds) to wait for a message - * @return 0 (milliseconds) if a message has been received - * or SYS_MBOX_EMPTY if the mailbox is empty */ -u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg); -#endif -/** For now, we map straight to sys_arch implementation. */ -#define sys_mbox_tryfetch(mbox, msg) sys_arch_mbox_tryfetch(mbox, msg) -/** Delete an mbox - * @param mbox mbox to delete */ -void sys_mbox_free(sys_mbox_t *mbox); -#define sys_mbox_fetch(mbox, msg) sys_arch_mbox_fetch(mbox, msg, 0) -#ifndef sys_mbox_valid -/** Check if an mbox is valid/allocated: return 1 for valid, 0 for invalid */ -int sys_mbox_valid(sys_mbox_t *mbox); -#endif -#ifndef sys_mbox_set_invalid -/** Set an mbox invalid so that sys_mbox_valid returns 0 */ -void sys_mbox_set_invalid(sys_mbox_t *mbox); -#endif - -/** The only thread function: - * Creates a new thread - * @param name human-readable name for the thread (used for debugging purposes) - * @param thread thread-function - * @param arg parameter passed to 'thread' - * @param stacksize stack size in bytes for the new thread (may be ignored by ports) - * @param prio priority of the new thread (may be ignored by ports) */ -sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize, int prio); - -#endif /* NO_SYS */ - -/* sys_init() must be called before anthing else. */ -void sys_init(void)ICACHE_FLASH_ATTR; - -#ifndef sys_jiffies -/** Ticks/jiffies since power up. */ -u32_t sys_jiffies(void)ICACHE_FLASH_ATTR; -#endif - -/** Returns the current time in milliseconds, - * may be the same as sys_jiffies or at least based on it. */ -static inline u32_t sys_now(void) ICACHE_FLASH_ATTR; -static inline u32_t sys_now(void) -{ - return NOW()/(TIMER_CLK_FREQ/1000); -} - -/* Critical Region Protection */ -/* These functions must be implemented in the sys_arch.c file. - In some implementations they can provide a more light-weight protection - mechanism than using semaphores. Otherwise semaphores can be used for - implementation */ -#ifndef SYS_ARCH_PROTECT -/** SYS_LIGHTWEIGHT_PROT - * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection - * for certain critical regions during buffer allocation, deallocation and memory - * allocation and deallocation. - */ -#if SYS_LIGHTWEIGHT_PROT - -/** SYS_ARCH_DECL_PROTECT - * declare a protection variable. This macro will default to defining a variable of - * type sys_prot_t. If a particular port needs a different implementation, then - * this macro may be defined in sys_arch.h. - */ -#define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev -/** SYS_ARCH_PROTECT - * Perform a "fast" protect. This could be implemented by - * disabling interrupts for an embedded system or by using a semaphore or - * mutex. The implementation should allow calling SYS_ARCH_PROTECT when - * already protected. The old protection level is returned in the variable - * "lev". This macro will default to calling the sys_arch_protect() function - * which should be implemented in sys_arch.c. If a particular port needs a - * different implementation, then this macro may be defined in sys_arch.h - */ -#define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect() -/** SYS_ARCH_UNPROTECT - * Perform a "fast" set of the protection level to "lev". This could be - * implemented by setting the interrupt level to "lev" within the MACRO or by - * using a semaphore or mutex. This macro will default to calling the - * sys_arch_unprotect() function which should be implemented in - * sys_arch.c. If a particular port needs a different implementation, then - * this macro may be defined in sys_arch.h - */ -#define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev) -sys_prot_t sys_arch_protect(void)ICACHE_FLASH_ATTR; -void sys_arch_unprotect(sys_prot_t pval)ICACHE_FLASH_ATTR; - -#else - -#define SYS_ARCH_DECL_PROTECT(lev) -#define SYS_ARCH_PROTECT(lev) lev = os_intr_lock() //fix by ives at 2014.3.24 -#define SYS_ARCH_UNPROTECT(lev) lev = os_intr_unlock() - -#endif /* SYS_LIGHTWEIGHT_PROT */ - -#endif /* SYS_ARCH_PROTECT */ - -/* - * Macros to set/get and increase/decrease variables in a thread-safe way. - * Use these for accessing variable that are used from more than one thread. - */ - -#ifndef SYS_ARCH_INC -#define SYS_ARCH_INC(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var += val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_INC */ - -#ifndef SYS_ARCH_DEC -#define SYS_ARCH_DEC(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var -= val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_DEC */ - -#ifndef SYS_ARCH_GET -#define SYS_ARCH_GET(var, ret) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - ret = var; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_GET */ - -#ifndef SYS_ARCH_SET -#define SYS_ARCH_SET(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var = val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_SET */ - - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_SYS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/tcp.h b/tools/sdk/lwip/include/lwip/tcp.h deleted file mode 100644 index 909ff9b70b..0000000000 --- a/tools/sdk/lwip/include/lwip/tcp.h +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_TCP_H__ -#define __LWIP_TCP_H__ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sys.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/ip.h" -#include "lwip/icmp.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct tcp_pcb; - -/** Function prototype for tcp accept callback functions. Called when a new - * connection can be accepted on a listening pcb. - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param newpcb The new connection pcb - * @param err An error code if there has been an error accepting. - * Only return ERR_ABRT if you have called tcp_abort from within the - * callback function! - */ -typedef err_t (*tcp_accept_fn)(void *arg, struct tcp_pcb *newpcb, err_t err); - -/** Function prototype for tcp receive callback functions. Called when data has - * been received. - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param tpcb The connection pcb which received data - * @param p The received data (or NULL when the connection has been closed!) - * @param err An error code if there has been an error receiving - * Only return ERR_ABRT if you have called tcp_abort from within the - * callback function! - */ -typedef err_t (*tcp_recv_fn)(void *arg, struct tcp_pcb *tpcb, - struct pbuf *p, err_t err); - -/** Function prototype for tcp sent callback functions. Called when sent data has - * been acknowledged by the remote side. Use it to free corresponding resources. - * This also means that the pcb has now space available to send new data. - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param tpcb The connection pcb for which data has been acknowledged - * @param len The amount of bytes acknowledged - * @return ERR_OK: try to send some data by calling tcp_output - * Only return ERR_ABRT if you have called tcp_abort from within the - * callback function! - */ -typedef err_t (*tcp_sent_fn)(void *arg, struct tcp_pcb *tpcb, - u16_t len); - -/** Function prototype for tcp poll callback functions. Called periodically as - * specified by @see tcp_poll. - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param tpcb tcp pcb - * @return ERR_OK: try to send some data by calling tcp_output - * Only return ERR_ABRT if you have called tcp_abort from within the - * callback function! - */ -typedef err_t (*tcp_poll_fn)(void *arg, struct tcp_pcb *tpcb); - -/** Function prototype for tcp error callback functions. Called when the pcb - * receives a RST or is unexpectedly closed for any other reason. - * - * @note The corresponding pcb is already freed when this callback is called! - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param err Error code to indicate why the pcb has been closed - * ERR_ABRT: aborted through tcp_abort or by a TCP timer - * ERR_RST: the connection was reset by the remote host - */ -typedef void (*tcp_err_fn)(void *arg, err_t err); - -/** Function prototype for tcp connected callback functions. Called when a pcb - * is connected to the remote side after initiating a connection attempt by - * calling tcp_connect(). - * - * @param arg Additional argument to pass to the callback function (@see tcp_arg()) - * @param tpcb The connection pcb which is connected - * @param err An unused error code, always ERR_OK currently ;-) TODO! - * Only return ERR_ABRT if you have called tcp_abort from within the - * callback function! - * - * @note When a connection attempt fails, the error callback is currently called! - */ -typedef err_t (*tcp_connected_fn)(void *arg, struct tcp_pcb *tpcb, err_t err); - -enum tcp_state { - CLOSED = 0, - LISTEN = 1, - SYN_SENT = 2, - SYN_RCVD = 3, - ESTABLISHED = 4, - FIN_WAIT_1 = 5, - FIN_WAIT_2 = 6, - CLOSE_WAIT = 7, - CLOSING = 8, - LAST_ACK = 9, - TIME_WAIT = 10 -}; - -#if LWIP_CALLBACK_API - /* Function to call when a listener has been connected. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb a new tcp_pcb that now is connected - * @param err an error argument (TODO: that is current always ERR_OK?) - * @return ERR_OK: accept the new connection, - * any other err_t abortsthe new connection - */ -#define DEF_ACCEPT_CALLBACK tcp_accept_fn accept; -#else /* LWIP_CALLBACK_API */ -#define DEF_ACCEPT_CALLBACK -#endif /* LWIP_CALLBACK_API */ - -/** - * members common to struct tcp_pcb and struct tcp_listen_pcb - */ -#define TCP_PCB_COMMON(type) \ - type *next; /* for the linked list */ \ - enum tcp_state state; /* TCP state */ \ - u8_t prio; \ - void *callback_arg; \ - /* the accept callback for listen- and normal pcbs, if LWIP_CALLBACK_API */ \ - DEF_ACCEPT_CALLBACK \ - /* ports are in host byte order */ \ - u16_t local_port - - -/* the TCP protocol control block */ -struct tcp_pcb { -/** common PCB members */ - IP_PCB; -/** protocol specific PCB members */ - TCP_PCB_COMMON(struct tcp_pcb); - - /* ports are in host byte order */ - u16_t remote_port; - - u8_t flags; -#define TF_ACK_DELAY ((u8_t)0x01U) /* Delayed ACK. */ -#define TF_ACK_NOW ((u8_t)0x02U) /* Immediate ACK. */ -#define TF_INFR ((u8_t)0x04U) /* In fast recovery. */ -#define TF_TIMESTAMP ((u8_t)0x08U) /* Timestamp option enabled */ -#define TF_RXCLOSED ((u8_t)0x10U) /* rx closed by tcp_shutdown */ -#define TF_FIN ((u8_t)0x20U) /* Connection was closed locally (FIN segment enqueued). */ -#define TF_NODELAY ((u8_t)0x40U) /* Disable Nagle algorithm */ -#define TF_NAGLEMEMERR ((u8_t)0x80U) /* nagle enabled, memerr, try to output to prevent delayed ACK to happen */ - - /* the rest of the fields are in host byte order - as we have to do some math with them */ - /* receiver variables */ - u32_t rcv_nxt; /* next seqno expected */ - u16_t rcv_wnd; /* receiver window available */ - u16_t rcv_ann_wnd; /* receiver window to announce */ - u32_t rcv_ann_right_edge; /* announced right edge of window */ - - /* Timers */ - u32_t tmr; - u8_t polltmr, pollinterval; - - /* Retransmission timer. */ - s16_t rtime; - - u16_t mss; /* maximum segment size */ - - /* RTT (round trip time) estimation variables */ - u32_t rttest; /* RTT estimate in 500ms ticks */ - u32_t rtseq; /* sequence number being timed */ - s16_t sa, sv; /* @todo document this */ - - s16_t rto; /* retransmission time-out */ - u8_t nrtx; /* number of retransmissions */ - - /* fast retransmit/recovery */ - u32_t lastack; /* Highest acknowledged seqno. */ - u8_t dupacks; - - /* congestion avoidance/control variables */ - u16_t cwnd; - u16_t ssthresh; - - /* sender variables */ - u32_t snd_nxt; /* next new seqno to be sent */ - u16_t snd_wnd; /* sender window */ - u32_t snd_wl1, snd_wl2; /* Sequence and acknowledgement numbers of last - window update. */ - u32_t snd_lbb; /* Sequence number of next byte to be buffered. */ - - u16_t acked; - - u16_t snd_buf; /* Available buffer space for sending (in bytes). */ -#define TCP_SNDQUEUELEN_OVERFLOW (0xffff-3) - u16_t snd_queuelen; /* Available buffer space for sending (in tcp_segs). */ - -#if TCP_OVERSIZE - /* Extra bytes available at the end of the last pbuf in unsent. */ - u16_t unsent_oversize; -#endif /* TCP_OVERSIZE */ - - /* These are ordered by sequence number: */ - struct tcp_seg *unsent; /* Unsent (queued) segments. */ - struct tcp_seg *unacked; /* Sent but unacknowledged segments. */ -#if TCP_QUEUE_OOSEQ - struct tcp_seg *ooseq; /* Received out of sequence segments. */ -#endif /* TCP_QUEUE_OOSEQ */ - - struct pbuf *refused_data; /* Data previously received but not yet taken by upper layer */ - -#if LWIP_CALLBACK_API - /* Function to be called when more send buffer space is available. */ - tcp_sent_fn sent; - /* Function to be called when (in-sequence) data has arrived. */ - tcp_recv_fn recv; - /* Function to be called when a connection has been set up. */ - tcp_connected_fn connected; - /* Function which is called periodically. */ - tcp_poll_fn poll; - /* Function to be called whenever a fatal error occurs. */ - tcp_err_fn errf; -#endif /* LWIP_CALLBACK_API */ - -#if LWIP_TCP_TIMESTAMPS - u32_t ts_lastacksent; - u32_t ts_recent; -#endif /* LWIP_TCP_TIMESTAMPS */ - - /* idle time before KEEPALIVE is sent */ - u32_t keep_idle; -#if LWIP_TCP_KEEPALIVE - u32_t keep_intvl; - u32_t keep_cnt; -#endif /* LWIP_TCP_KEEPALIVE */ - - /* Persist timer counter */ - u32_t persist_cnt; - /* Persist timer back-off */ - u8_t persist_backoff; - - /* KEEPALIVE counter */ - u8_t keep_cnt_sent; -}; - -struct tcp_pcb_listen { -/* Common members of all PCB types */ - IP_PCB; -/* Protocol specific PCB members */ - TCP_PCB_COMMON(struct tcp_pcb_listen); - -#if TCP_LISTEN_BACKLOG - u8_t backlog; - u8_t accepts_pending; -#endif /* TCP_LISTEN_BACKLOG */ -}; - -#if LWIP_EVENT_API - -enum lwip_event { - LWIP_EVENT_ACCEPT, - LWIP_EVENT_SENT, - LWIP_EVENT_RECV, - LWIP_EVENT_CONNECTED, - LWIP_EVENT_POLL, - LWIP_EVENT_ERR -}; - -err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb, - enum lwip_event, - struct pbuf *p, - u16_t size, - err_t err); - -#endif /* LWIP_EVENT_API */ - -/* Application program's interface: */ -struct tcp_pcb * tcp_new (void)ICACHE_FLASH_ATTR; - -void tcp_arg (struct tcp_pcb *pcb, void *arg) ICACHE_FLASH_ATTR; -void tcp_accept (struct tcp_pcb *pcb, tcp_accept_fn accept) ICACHE_FLASH_ATTR; -void tcp_recv (struct tcp_pcb *pcb, tcp_recv_fn recv) ICACHE_FLASH_ATTR; -void tcp_sent (struct tcp_pcb *pcb, tcp_sent_fn sent)ICACHE_FLASH_ATTR; -void tcp_poll (struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval)ICACHE_FLASH_ATTR; -void tcp_err (struct tcp_pcb *pcb, tcp_err_fn err)ICACHE_FLASH_ATTR; - -#define tcp_mss(pcb) (((pcb)->flags & TF_TIMESTAMP) ? ((pcb)->mss - 12) : (pcb)->mss) -#define tcp_sndbuf(pcb) ((pcb)->snd_buf) -#define tcp_sndqueuelen(pcb) ((pcb)->snd_queuelen) -#define tcp_nagle_disable(pcb) ((pcb)->flags |= TF_NODELAY) -#define tcp_nagle_enable(pcb) ((pcb)->flags &= ~TF_NODELAY) -#define tcp_nagle_disabled(pcb) (((pcb)->flags & TF_NODELAY) != 0) - -#if TCP_LISTEN_BACKLOG -#define tcp_accepted(pcb) do { \ - LWIP_ASSERT("pcb->state == LISTEN (called for wrong pcb?)", pcb->state == LISTEN); \ - (((struct tcp_pcb_listen *)(pcb))->accepts_pending--); } while(0) -#else /* TCP_LISTEN_BACKLOG */ -#define tcp_accepted(pcb) LWIP_ASSERT("pcb->state == LISTEN (called for wrong pcb?)", \ - pcb->state == LISTEN) -#endif /* TCP_LISTEN_BACKLOG */ - -void tcp_recved (struct tcp_pcb *pcb, u16_t len)ICACHE_FLASH_ATTR; -err_t tcp_bind (struct tcp_pcb *pcb, ip_addr_t *ipaddr, - u16_t port)ICACHE_FLASH_ATTR; -err_t tcp_connect (struct tcp_pcb *pcb, ip_addr_t *ipaddr, - u16_t port, tcp_connected_fn connected)ICACHE_FLASH_ATTR; - -struct tcp_pcb * tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog)ICACHE_FLASH_ATTR; -#define tcp_listen(pcb) tcp_listen_with_backlog(pcb, TCP_DEFAULT_LISTEN_BACKLOG) - -void tcp_abort (struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -err_t tcp_close (struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -err_t tcp_shutdown(struct tcp_pcb *pcb, int shut_rx, int shut_tx)ICACHE_FLASH_ATTR; - -/* Flags for "apiflags" parameter in tcp_write */ -#define TCP_WRITE_FLAG_COPY 0x01 -#define TCP_WRITE_FLAG_MORE 0x02 - -err_t tcp_write (struct tcp_pcb *pcb, const void *dataptr, u16_t len, - u8_t apiflags)ICACHE_FLASH_ATTR; - -void tcp_setprio (struct tcp_pcb *pcb, u8_t prio)ICACHE_FLASH_ATTR; - -#define TCP_PRIO_MIN 1 -#define TCP_PRIO_NORMAL 64 -#define TCP_PRIO_MAX 127 - -extern err_t tcp_output(struct tcp_pcb *pcb); - - -const char* tcp_debug_state_str(enum tcp_state s)ICACHE_FLASH_ATTR; - - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_TCP */ - -#endif /* __LWIP_TCP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/tcp_impl.h b/tools/sdk/lwip/include/lwip/tcp_impl.h deleted file mode 100644 index f6778700af..0000000000 --- a/tools/sdk/lwip/include/lwip/tcp_impl.h +++ /dev/null @@ -1,492 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_TCP_IMPL_H__ -#define __LWIP_TCP_IMPL_H__ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/tcp.h" -#include "lwip/sys.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/ip.h" -#include "lwip/icmp.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Functions for interfacing with TCP: */ - -/* Lower layer interface to TCP: */ -#define tcp_init() /* Compatibility define, no init needed. */ -void tcp_tmr (void)ICACHE_FLASH_ATTR; /* Must be called every - TCP_TMR_INTERVAL - ms. (Typically 250 ms). */ -/* It is also possible to call these two functions at the right - intervals (instead of calling tcp_tmr()). */ -void tcp_slowtmr (void)ICACHE_FLASH_ATTR; -void tcp_fasttmr (void)ICACHE_FLASH_ATTR; - - -/* Only used by IP to pass a TCP segment to TCP: */ -void tcp_input (struct pbuf *p, struct netif *inp)ICACHE_FLASH_ATTR; -/* Used within the TCP code only: */ -struct tcp_pcb * tcp_alloc (u8_t prio)ICACHE_FLASH_ATTR; -void tcp_abandon (struct tcp_pcb *pcb, int reset)ICACHE_FLASH_ATTR; -err_t tcp_send_empty_ack(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_rexmit (struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_rexmit_rto (struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_rexmit_fast (struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; - -/** - * This is the Nagle algorithm: try to combine user data to send as few TCP - * segments as possible. Only send if - * - no previously transmitted data on the connection remains unacknowledged or - * - the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or - * - the only unsent segment is at least pcb->mss bytes long (or there is more - * than one unsent segment - with lwIP, this can happen although unsent->len < mss) - * - or if we are in fast-retransmit (TF_INFR) - */ -#define tcp_do_output_nagle(tpcb) ((((tpcb)->unacked == NULL) || \ - ((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \ - (((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \ - ((tpcb)->unsent->len >= (tpcb)->mss))) \ - ) ? 1 : 0) -#define tcp_output_nagle(tpcb) (tcp_do_output_nagle(tpcb) ? tcp_output(tpcb) : ERR_OK) - - -#define TCP_SEQ_LT(a,b) ((s32_t)((a)-(b)) < 0) -#define TCP_SEQ_LEQ(a,b) ((s32_t)((a)-(b)) <= 0) -#define TCP_SEQ_GT(a,b) ((s32_t)((a)-(b)) > 0) -#define TCP_SEQ_GEQ(a,b) ((s32_t)((a)-(b)) >= 0) -/* is b<=a<=c? */ -#if 0 /* see bug #10548 */ -#define TCP_SEQ_BETWEEN(a,b,c) ((c)-(b) >= (a)-(b)) -#endif -#define TCP_SEQ_BETWEEN(a,b,c) (TCP_SEQ_GEQ(a,b) && TCP_SEQ_LEQ(a,c)) -#define TCP_FIN 0x01U -#define TCP_SYN 0x02U -#define TCP_RST 0x04U -#define TCP_PSH 0x08U -#define TCP_ACK 0x10U -#define TCP_URG 0x20U -#define TCP_ECE 0x40U -#define TCP_CWR 0x80U - -#define TCP_FLAGS 0x3fU - -/* Length of the TCP header, excluding options. */ -#define TCP_HLEN 20 - -#ifndef TCP_TMR_INTERVAL -#define TCP_TMR_INTERVAL 125 /* The TCP timer interval in milliseconds. */ -#endif /* TCP_TMR_INTERVAL */ - -#ifndef TCP_FAST_INTERVAL -#define TCP_FAST_INTERVAL TCP_TMR_INTERVAL /* the fine grained timeout in milliseconds */ -#endif /* TCP_FAST_INTERVAL */ - -#ifndef TCP_SLOW_INTERVAL -#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) /* the coarse grained timeout in milliseconds */ -#endif /* TCP_SLOW_INTERVAL */ - -#define TCP_FIN_WAIT_TIMEOUT 20000 /* milliseconds */ -#define TCP_SYN_RCVD_TIMEOUT 20000 /* milliseconds */ - -#define TCP_OOSEQ_TIMEOUT 6U /* x RTO */ - -#ifndef TCP_MSL -#define TCP_MSL 60000UL /* The maximum segment lifetime in milliseconds */ -#endif - -/* Keepalive values, compliant with RFC 1122. Don't change this unless you know what you're doing */ -#ifndef TCP_KEEPIDLE_DEFAULT -#define TCP_KEEPIDLE_DEFAULT 120000UL /* Default KEEPALIVE timer in milliseconds */ -#endif - -#ifndef TCP_KEEPINTVL_DEFAULT -#define TCP_KEEPINTVL_DEFAULT 10000UL /* Default Time between KEEPALIVE probes in milliseconds */ -#endif - -#ifndef TCP_KEEPCNT_DEFAULT -#define TCP_KEEPCNT_DEFAULT 9U /* Default Counter for KEEPALIVE probes */ -#endif - -#define TCP_MAXIDLE TCP_KEEPCNT_DEFAULT * TCP_KEEPINTVL_DEFAULT /* Maximum KEEPALIVE probe time */ - -/* Fields are (of course) in network byte order. - * Some fields are converted to host byte order in tcp_input(). - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct tcp_hdr { - PACK_STRUCT_FIELD(u16_t src); //Դ�˿� - PACK_STRUCT_FIELD(u16_t dest); //Ŀ�Ķ˿� - PACK_STRUCT_FIELD(u32_t seqno); //��� - PACK_STRUCT_FIELD(u32_t ackno); //Ӧ����� - PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags);//�ײ�����+����λ+��־λ - PACK_STRUCT_FIELD(u16_t wnd); //���ڴ�С - PACK_STRUCT_FIELD(u16_t chksum); //��� - PACK_STRUCT_FIELD(u16_t urgp); //����ָ�� -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define TCPH_OFFSET(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 8) -#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12) -#define TCPH_FLAGS(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS) - -#define TCPH_OFFSET_SET(phdr, offset) (phdr)->_hdrlen_rsvd_flags = htons(((offset) << 8) | TCPH_FLAGS(phdr)) -#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | TCPH_FLAGS(phdr)) -#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & PP_HTONS((u16_t)(~(u16_t)(TCP_FLAGS)))) | htons(flags)) -#define TCPH_HDRLEN_FLAGS_SET(phdr, len, flags) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | (flags)) - -#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags)) -#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = htons(ntohs((phdr)->_hdrlen_rsvd_flags) | (TCPH_FLAGS(phdr) & ~(flags)) ) - -#define TCP_TCPLEN(seg) ((seg)->len + ((TCPH_FLAGS((seg)->tcphdr) & (TCP_FIN | TCP_SYN)) != 0)) - -/** Flags used on input processing, not on pcb->flags -*/ -#define TF_RESET (u8_t)0x08U /* Connection was reset. */ -#define TF_CLOSED (u8_t)0x10U /* Connection was sucessfully closed. */ -#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */ - - -#if LWIP_EVENT_API - -#define TCP_EVENT_ACCEPT(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_ACCEPT, NULL, 0, err) -#define TCP_EVENT_SENT(pcb,space,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_SENT, NULL, space, ERR_OK) -#define TCP_EVENT_RECV(pcb,p,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_RECV, (p), 0, (err)) -#define TCP_EVENT_CLOSED(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_RECV, NULL, 0, ERR_OK) -#define TCP_EVENT_CONNECTED(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_CONNECTED, NULL, 0, (err)) -#define TCP_EVENT_POLL(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_POLL, NULL, 0, ERR_OK) -#define TCP_EVENT_ERR(errf,arg,err) lwip_tcp_event((arg), NULL, \ - LWIP_EVENT_ERR, NULL, 0, (err)) - -#else /* LWIP_EVENT_API */ - -#define TCP_EVENT_ACCEPT(pcb,err,ret) \ - do { \ - if((pcb)->accept != NULL) \ - (ret) = (pcb)->accept((pcb)->callback_arg,(pcb),(err)); \ - else (ret) = ERR_ARG; \ - } while (0) - -#define TCP_EVENT_SENT(pcb,space,ret) \ - do { \ - if((pcb)->sent != NULL) \ - (ret) = (pcb)->sent((pcb)->callback_arg,(pcb),(space)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_RECV(pcb,p,err,ret) \ - do { \ - if((pcb)->recv != NULL) { \ - (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err));\ - } else { \ - (ret) = tcp_recv_null(NULL, (pcb), (p), (err)); \ - } \ - } while (0) - -#define TCP_EVENT_CLOSED(pcb,ret) \ - do { \ - if(((pcb)->recv != NULL)) { \ - (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),NULL,ERR_OK);\ - } else { \ - (ret) = ERR_OK; \ - } \ - } while (0) - -#define TCP_EVENT_CONNECTED(pcb,err,ret) \ - do { \ - if((pcb)->connected != NULL) \ - (ret) = (pcb)->connected((pcb)->callback_arg,(pcb),(err)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_POLL(pcb,ret) \ - do { \ - if((pcb)->poll != NULL) \ - (ret) = (pcb)->poll((pcb)->callback_arg,(pcb)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_ERR(errf,arg,err) \ - do { \ - if((errf) != NULL) \ - (errf)((arg),(err)); \ - } while (0) - -#endif /* LWIP_EVENT_API */ - -/** Enabled extra-check for TCP_OVERSIZE if LWIP_DEBUG is enabled */ -#if TCP_OVERSIZE && defined(LWIP_DEBUG) -#define TCP_OVERSIZE_DBGCHECK 1 -#else -#define TCP_OVERSIZE_DBGCHECK 0 -#endif - -/** Don't generate checksum on copy if CHECKSUM_GEN_TCP is disabled */ -#define TCP_CHECKSUM_ON_COPY (LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_TCP) - -/* This structure represents a TCP segment on the unsent, unacked and ooseq queues */ -struct tcp_seg { - struct tcp_seg *next; /* used when putting segements on a queue */ - struct pbuf *p; /* buffer containing data + TCP header */ - void *dataptr; /* pointer to the TCP data in the pbuf */ - u16_t len; /* the TCP length of this segment */ -#if TCP_OVERSIZE_DBGCHECK - u16_t oversize_left; /* Extra bytes available at the end of the last - pbuf in unsent (used for asserting vs. - tcp_pcb.unsent_oversized only) */ -#endif /* TCP_OVERSIZE_DBGCHECK */ -#if TCP_CHECKSUM_ON_COPY - u16_t chksum; - u8_t chksum_swapped; -#endif /* TCP_CHECKSUM_ON_COPY */ - u8_t flags; -#define TF_SEG_OPTS_MSS (u8_t)0x01U /* Include MSS option. */ -#define TF_SEG_OPTS_TS (u8_t)0x02U /* Include timestamp option. */ -#define TF_SEG_DATA_CHECKSUMMED (u8_t)0x04U /* ALL data (not the header) is - checksummed into 'chksum' */ - struct tcp_hdr *tcphdr; /* the TCP header */ -}; - -#define LWIP_TCP_OPT_LENGTH(flags) \ - (flags & TF_SEG_OPTS_MSS ? 4 : 0) + \ - (flags & TF_SEG_OPTS_TS ? 12 : 0) - -/** This returns a TCP header option for MSS in an u32_t */ -#define TCP_BUILD_MSS_OPTION(x) (x) = PP_HTONL(((u32_t)2 << 24) | \ - ((u32_t)4 << 16) | \ - (((u32_t)TCP_MSS / 256) << 8) | \ - (TCP_MSS & 255)) - -/* Global variables: */ -extern struct tcp_pcb *tcp_input_pcb; -extern u32_t tcp_ticks; - -/* The TCP PCB lists. */ -union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */ - struct tcp_pcb_listen *listen_pcbs; - struct tcp_pcb *pcbs; -}; -extern struct tcp_pcb *tcp_bound_pcbs; -extern union tcp_listen_pcbs_t tcp_listen_pcbs; -extern struct tcp_pcb *tcp_active_pcbs; /* List of all TCP PCBs that are in a - state in which they accept or send - data. */ -extern struct tcp_pcb *tcp_tw_pcbs; /* List of all TCP PCBs in TIME-WAIT. */ - -extern struct tcp_pcb *tcp_tmp_pcb; /* Only used for temporary storage. */ - -/* Axioms about the above lists: - 1) Every TCP PCB that is not CLOSED is in one of the lists. - 2) A PCB is only in one of the lists. - 3) All PCBs in the tcp_listen_pcbs list is in LISTEN state. - 4) All PCBs in the tcp_tw_pcbs list is in TIME-WAIT state. -*/ -/* Define two macros, TCP_REG and TCP_RMV that registers a TCP PCB - with a PCB list or removes a PCB from a list, respectively. */ -#ifndef TCP_DEBUG_PCB_LISTS -#define TCP_DEBUG_PCB_LISTS 0 -#endif -#if TCP_DEBUG_PCB_LISTS -#define TCP_REG(pcbs, npcb) do {\ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_REG %p local port %d\n", (npcb), (npcb)->local_port)); \ - for(tcp_tmp_pcb = *(pcbs); \ - tcp_tmp_pcb != NULL; \ - tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - LWIP_ASSERT("TCP_REG: already registered\n", tcp_tmp_pcb != (npcb)); \ - } \ - LWIP_ASSERT("TCP_REG: pcb->state != CLOSED", ((pcbs) == &tcp_bound_pcbs) || ((npcb)->state != CLOSED)); \ - (npcb)->next = *(pcbs); \ - LWIP_ASSERT("TCP_REG: npcb->next != npcb", (npcb)->next != (npcb)); \ - *(pcbs) = (npcb); \ - LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \ - tcp_timer_needed(); \ - } while(0) -#define TCP_RMV(pcbs, npcb) do { \ - LWIP_ASSERT("TCP_RMV: pcbs != NULL", *(pcbs) != NULL); \ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removing %p from %p\n", (npcb), *(pcbs))); \ - if(*(pcbs) == (npcb)) { \ - *(pcbs) = (*pcbs)->next; \ - } else for(tcp_tmp_pcb = *(pcbs); tcp_tmp_pcb != NULL; tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - if(tcp_tmp_pcb->next == (npcb)) { \ - tcp_tmp_pcb->next = (npcb)->next; \ - break; \ - } \ - } \ - (npcb)->next = NULL; \ - LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removed %p from %p\n", (npcb), *(pcbs))); \ - } while(0) - -#else /* LWIP_DEBUG */ - -#define TCP_REG(pcbs, npcb) \ - do { \ - (npcb)->next = *pcbs; \ - *(pcbs) = (npcb); \ - tcp_timer_needed(); \ - } while (0) - -#define TCP_RMV(pcbs, npcb) \ - do { \ - if(*(pcbs) == (npcb)) { \ - (*(pcbs)) = (*pcbs)->next; \ - } \ - else { \ - for(tcp_tmp_pcb = *pcbs; \ - tcp_tmp_pcb != NULL; \ - tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - if(tcp_tmp_pcb->next == (npcb)) { \ - tcp_tmp_pcb->next = (npcb)->next; \ - break; \ - } \ - } \ - } \ - (npcb)->next = NULL; \ - } while(0) - -#endif /* LWIP_DEBUG */ - -#define TCP_TW_LIMIT(l) \ - do { \ - u32_t tcp_tmp_pcbs_count = 0; \ - tcp_tmp_pcb = tcp_tw_pcbs; \ - while(tcp_tmp_pcb != NULL) { \ - if(++tcp_tmp_pcbs_count == (l)) { \ - struct tcp_pcb *_tcp_tmp_pcb = tcp_tmp_pcb->next; \ - tcp_tmp_pcb->next = NULL; \ - tcp_tmp_pcb = _tcp_tmp_pcb; \ - while(tcp_tmp_pcb != NULL) { \ - _tcp_tmp_pcb = tcp_tmp_pcb; \ - tcp_pcb_purge(tcp_tmp_pcb); \ - tcp_tmp_pcb = tcp_tmp_pcb->next; \ - memp_free(MEMP_TCP_PCB, _tcp_tmp_pcb); \ - } \ - break; \ - } \ - tcp_tmp_pcb = tcp_tmp_pcb->next; \ - } \ - } while(0) - -/* Internal functions: */ -struct tcp_pcb *tcp_pcb_copy(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_pcb_purge(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; - -void tcp_segs_free(struct tcp_seg *seg)ICACHE_FLASH_ATTR; -void tcp_seg_free(struct tcp_seg *seg)ICACHE_FLASH_ATTR; -struct tcp_seg *tcp_seg_copy(struct tcp_seg *seg)ICACHE_FLASH_ATTR; - -#define tcp_ack(pcb) \ - do { \ - if((pcb)->flags & TF_ACK_DELAY) { \ - (pcb)->flags &= ~TF_ACK_DELAY; \ - (pcb)->flags |= TF_ACK_NOW; \ - } \ - else { \ - (pcb)->flags |= TF_ACK_DELAY; \ - } \ - } while (0) - -#define tcp_ack_now(pcb) \ - do { \ - (pcb)->flags |= TF_ACK_NOW; \ - } while (0) - -err_t tcp_send_fin(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -err_t tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags)ICACHE_FLASH_ATTR; - -void tcp_rexmit_seg(struct tcp_pcb *pcb, struct tcp_seg *seg)ICACHE_FLASH_ATTR; - -void tcp_rst(u32_t seqno, u32_t ackno, - ip_addr_t *local_ip, ip_addr_t *remote_ip, - u16_t local_port, u16_t remote_port)ICACHE_FLASH_ATTR; - -u32_t tcp_next_iss(void)ICACHE_FLASH_ATTR; - -void tcp_keepalive(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -void tcp_zero_window_probe(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; - -#if TCP_CALCULATE_EFF_SEND_MSS -u16_t tcp_eff_send_mss(u16_t sendmss, ip_addr_t *addr)ICACHE_FLASH_ATTR; -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - -#if LWIP_CALLBACK_API -err_t tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)ICACHE_FLASH_ATTR; -#endif /* LWIP_CALLBACK_API */ - -#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG -void tcp_debug_print(struct tcp_hdr *tcphdr)ICACHE_FLASH_ATTR; -void tcp_debug_print_flags(u8_t flags)ICACHE_FLASH_ATTR; -void tcp_debug_print_state(enum tcp_state s)ICACHE_FLASH_ATTR; -void tcp_debug_print_pcbs(void)ICACHE_FLASH_ATTR; -s16_t tcp_pcbs_sane(void)ICACHE_FLASH_ATTR; -#else -# define tcp_debug_print(tcphdr) -# define tcp_debug_print_flags(flags) -# define tcp_debug_print_state(s) -# define tcp_debug_print_pcbs() -# define tcp_pcbs_sane() 1 -#endif /* TCP_DEBUG */ - -/** External function (implemented in timers.c), called when TCP detects - * that a timer is needed (i.e. active- or time-wait-pcb found). */ -void tcp_timer_needed(void)ICACHE_FLASH_ATTR; - - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_TCP */ - -#endif /* __LWIP_TCP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/tcpip.h b/tools/sdk/lwip/include/lwip/tcpip.h deleted file mode 100644 index 995ba8ad00..0000000000 --- a/tools/sdk/lwip/include/lwip/tcpip.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_TCPIP_H__ -#define __LWIP_TCPIP_H__ - -#include "lwip/opt.h" - -#if !NO_SYS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/api_msg.h" -#include "lwip/netifapi.h" -#include "lwip/pbuf.h" -#include "lwip/api.h" -#include "lwip/sys.h" -#include "lwip/timers.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Define this to something that triggers a watchdog. This is called from - * tcpip_thread after processing a message. */ -#ifndef LWIP_TCPIP_THREAD_ALIVE -#define LWIP_TCPIP_THREAD_ALIVE() -#endif - -#if LWIP_TCPIP_CORE_LOCKING -/** The global semaphore to lock the stack. */ -extern sys_mutex_t lock_tcpip_core; -#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core) -#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core) -#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m) -#define TCPIP_APIMSG_ACK(m) -#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m) -#define TCPIP_NETIFAPI_ACK(m) -#else /* LWIP_TCPIP_CORE_LOCKING */ -#define LOCK_TCPIP_CORE() -#define UNLOCK_TCPIP_CORE() -#define TCPIP_APIMSG(m) tcpip_apimsg(m) -#define TCPIP_APIMSG_ACK(m) sys_sem_signal(&m->conn->op_completed) -#define TCPIP_NETIFAPI(m) tcpip_netifapi(m) -#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem) -#endif /* LWIP_TCPIP_CORE_LOCKING */ - -/** Function prototype for the init_done function passed to tcpip_init */ -typedef void (*tcpip_init_done_fn)(void *arg); -/** Function prototype for functions passed to tcpip_callback() */ -typedef void (*tcpip_callback_fn)(void *ctx); - -void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg); - -#if LWIP_NETCONN -err_t tcpip_apimsg(struct api_msg *apimsg); -#if LWIP_TCPIP_CORE_LOCKING -err_t tcpip_apimsg_lock(struct api_msg *apimsg); -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETCONN */ - -err_t tcpip_input(struct pbuf *p, struct netif *inp); - -#if LWIP_NETIF_API -err_t tcpip_netifapi(struct netifapi_msg *netifapimsg); -#if LWIP_TCPIP_CORE_LOCKING -err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg); -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETIF_API */ - -err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block); -#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1) - -/* free pbufs or heap memory from another context without blocking */ -err_t pbuf_free_callback(struct pbuf *p); -err_t mem_free_callback(void *m); - -#if LWIP_TCPIP_TIMEOUT -err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg); -err_t tcpip_untimeout(sys_timeout_handler h, void *arg); -#endif /* LWIP_TCPIP_TIMEOUT */ - -enum tcpip_msg_type { -#if LWIP_NETCONN - TCPIP_MSG_API, -#endif /* LWIP_NETCONN */ - TCPIP_MSG_INPKT, -#if LWIP_NETIF_API - TCPIP_MSG_NETIFAPI, -#endif /* LWIP_NETIF_API */ -#if LWIP_TCPIP_TIMEOUT - TCPIP_MSG_TIMEOUT, - TCPIP_MSG_UNTIMEOUT, -#endif /* LWIP_TCPIP_TIMEOUT */ - TCPIP_MSG_CALLBACK -}; - -struct tcpip_msg { - enum tcpip_msg_type type; - sys_sem_t *sem; - union { -#if LWIP_NETCONN - struct api_msg *apimsg; -#endif /* LWIP_NETCONN */ -#if LWIP_NETIF_API - struct netifapi_msg *netifapimsg; -#endif /* LWIP_NETIF_API */ - struct { - struct pbuf *p; - struct netif *netif; - } inp; - struct { - tcpip_callback_fn function; - void *ctx; - } cb; -#if LWIP_TCPIP_TIMEOUT - struct { - u32_t msecs; - sys_timeout_handler h; - void *arg; - } tmo; -#endif /* LWIP_TCPIP_TIMEOUT */ - } msg; -}; - -#ifdef __cplusplus -} -#endif - -#endif /* !NO_SYS */ - -#endif /* __LWIP_TCPIP_H__ */ diff --git a/tools/sdk/lwip/include/lwip/timers.h b/tools/sdk/lwip/include/lwip/timers.h deleted file mode 100644 index e9db02a2f4..0000000000 --- a/tools/sdk/lwip/include/lwip/timers.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * Simon Goldschmidt - * - */ -#ifndef __LWIP_TIMERS_H__ -#define __LWIP_TIMERS_H__ - -#include "lwip/opt.h" - -/* Timers are not supported when NO_SYS==1 and NO_SYS_NO_TIMERS==1 */ -#define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) - -#if LWIP_TIMERS - -#include "lwip/err.h" -#include "lwip/sys.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef LWIP_DEBUG_TIMERNAMES -#ifdef LWIP_DEBUG -#define LWIP_DEBUG_TIMERNAMES SYS_DEBUG -#else /* LWIP_DEBUG */ -#define LWIP_DEBUG_TIMERNAMES 0 -#endif /* LWIP_DEBUG*/ -#endif - -/** Function prototype for a timeout callback function. Register such a function - * using sys_timeout(). - * - * @param arg Additional argument to pass to the function - set up by sys_timeout() - */ -typedef void (* sys_timeout_handler)(void *arg); - -struct sys_timeo { - struct sys_timeo *next; - u32_t time; - sys_timeout_handler h; - void *arg; -#if LWIP_DEBUG_TIMERNAMES - const char* handler_name; -#endif /* LWIP_DEBUG_TIMERNAMES */ -}; - -void sys_timeouts_init(void)ICACHE_FLASH_ATTR; - -#if LWIP_DEBUG_TIMERNAMES -void sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name)ICACHE_FLASH_ATTR; -#define sys_timeout(msecs, handler, arg) sys_timeout_debug(msecs, handler, arg, #handler) -#else /* LWIP_DEBUG_TIMERNAMES */ -void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg)ICACHE_FLASH_ATTR; -#endif /* LWIP_DEBUG_TIMERNAMES */ - -void sys_untimeout(sys_timeout_handler handler, void *arg)ICACHE_FLASH_ATTR; -#if NO_SYS -void sys_check_timeouts(void)ICACHE_FLASH_ATTR; -void sys_restart_timeouts(void)ICACHE_FLASH_ATTR; -#else /* NO_SYS */ -void sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg); -#endif /* NO_SYS */ - - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_TIMERS */ -#endif /* __LWIP_TIMERS_H__ */ diff --git a/tools/sdk/lwip/include/lwip/udp.h b/tools/sdk/lwip/include/lwip/udp.h deleted file mode 100644 index 2e4b57ae75..0000000000 --- a/tools/sdk/lwip/include/lwip/udp.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIP_UDP_H__ -#define __LWIP_UDP_H__ - -#include "lwip/opt.h" - -#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/ip_addr.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define UDP_HLEN 8 - -/* Fields are (of course) in network byte order. */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct udp_hdr { - PACK_STRUCT_FIELD(u16_t src); - PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */ - PACK_STRUCT_FIELD(u16_t len); - PACK_STRUCT_FIELD(u16_t chksum); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define UDP_FLAGS_NOCHKSUM 0x01U -#define UDP_FLAGS_UDPLITE 0x02U -#define UDP_FLAGS_CONNECTED 0x04U -#define UDP_FLAGS_MULTICAST_LOOP 0x08U - -struct udp_pcb; - -/** Function prototype for udp pcb receive callback functions - * addr and port are in same byte order as in the pcb - * The callback is responsible for freeing the pbuf - * if it's not used any more. - * - * ATTENTION: Be aware that 'addr' points into the pbuf 'p' so freeing this pbuf - * makes 'addr' invalid, too. - * - * @param arg user supplied argument (udp_pcb.recv_arg) - * @param pcb the udp_pcb which received data - * @param p the packet buffer that was received - * @param addr the remote IP address from which the packet was received - * @param port the remote port from which the packet was received - */ -typedef void (*udp_recv_fn)(void *arg, struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *addr, u16_t port); - - -struct udp_pcb { -/* Common members of all PCB types */ - IP_PCB; - -/* Protocol specific PCB members */ - - struct udp_pcb *next; - - u8_t flags; - /** ports are in host byte order */ - u16_t local_port, remote_port; - -#if LWIP_IGMP - /** outgoing network interface for multicast packets */ - ip_addr_t multicast_ip; -#ifndef LWIP_MAYBE_XCC - /** TTL for outgoing multicast packets */ - u8_t mcast_ttl; -#endif /* LWIP_MAYBE_XCC */ -#endif /* LWIP_IGMP */ - -#if LWIP_UDPLITE - /** used for UDP_LITE only */ - u16_t chksum_len_rx, chksum_len_tx; -#endif /* LWIP_UDPLITE */ - - /** receive callback function */ - udp_recv_fn recv; - /** user-supplied argument for the recv callback */ - void *recv_arg; -}; -/* udp_pcbs export for exernal reference (e.g. SNMP agent) */ -extern struct udp_pcb *udp_pcbs; - -/* The following functions is the application layer interface to the - UDP code. */ -struct udp_pcb * udp_new (void)ICACHE_FLASH_ATTR; -void udp_remove (struct udp_pcb *pcb)ICACHE_FLASH_ATTR; -err_t udp_bind (struct udp_pcb *pcb, ip_addr_t *ipaddr, - u16_t port)ICACHE_FLASH_ATTR; -err_t udp_connect (struct udp_pcb *pcb, ip_addr_t *ipaddr, - u16_t port)ICACHE_FLASH_ATTR; -void udp_disconnect (struct udp_pcb *pcb)ICACHE_FLASH_ATTR; -void udp_recv (struct udp_pcb *pcb, udp_recv_fn recv, - void *recv_arg)ICACHE_FLASH_ATTR; -err_t udp_sendto_if (struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port, - struct netif *netif)ICACHE_FLASH_ATTR; -err_t udp_sendto (struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port)ICACHE_FLASH_ATTR; -err_t udp_send (struct udp_pcb *pcb, struct pbuf *p)ICACHE_FLASH_ATTR; - -#if LWIP_CHECKSUM_ON_COPY -err_t udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port, - struct netif *netif, u8_t have_chksum, - u16_t chksum)ICACHE_FLASH_ATTR; -err_t udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port, - u8_t have_chksum, u16_t chksum)ICACHE_FLASH_ATTR; -err_t udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p, - u8_t have_chksum, u16_t chksum)ICACHE_FLASH_ATTR; -#endif /* LWIP_CHECKSUM_ON_COPY */ - -#define udp_flags(pcb) ((pcb)->flags) -#define udp_setflags(pcb, f) ((pcb)->flags = (f)) - -/* The following functions are the lower layer interface to UDP. */ -void udp_input (struct pbuf *p, struct netif *inp)ICACHE_FLASH_ATTR; - -#define udp_init() /* Compatibility define, not init needed. */ - -#if LWIP_IGMP -#define udp_set_multicast_netif_addr(pcb, ipaddr) ip_addr_copy((pcb)->multicast_ip, (ipaddr)) -#define udp_get_multicast_netif_addr(pcb) ((pcb)->multicast_ip) -#ifndef LWIP_MAYBE_XCC -#define udp_set_multicast_ttl(pcb, value) do { (pcb)->mcast_ttl = value; } while(0) -#define udp_get_multicast_ttl(pcb) ((pcb)->mcast_ttl) -#endif /* LWIP_MAYBE_XCC */ -#endif /* LWIP_IGMP */ - -#if UDP_DEBUG -void udp_debug_print(struct udp_hdr *udphdr)ICACHE_FLASH_ATTR; -#else -#define udp_debug_print(udphdr) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_UDP */ - -#endif /* __LWIP_UDP_H__ */ diff --git a/tools/sdk/lwip/include/lwipopts.h b/tools/sdk/lwip/include/lwipopts.h deleted file mode 100644 index 2081b3aea8..0000000000 --- a/tools/sdk/lwip/include/lwipopts.h +++ /dev/null @@ -1,2078 +0,0 @@ -/** - * @file - * - * lwIP Options Configuration - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ -#ifndef __LWIPOPTS_H__ -#define __LWIPOPTS_H__ - -#define PBUF_RSV_FOR_WLAN -#define EBUF_LWIP - -/* - ----------------------------------------------- - ---------- Platform specific locking ---------- - ----------------------------------------------- -*/ - -/** - * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain - * critical regions during buffer allocation, deallocation and memory - * allocation and deallocation. - */ -#ifndef SYS_LIGHTWEIGHT_PROT -#define SYS_LIGHTWEIGHT_PROT 0 -#endif - -/** - * NO_SYS==1: Provides VERY minimal functionality. Otherwise, - * use lwIP facilities. - */ -#ifndef NO_SYS -#define NO_SYS 1 -#endif - -/** - * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1 - * Mainly for compatibility to old versions. - */ -#ifndef NO_SYS_NO_TIMERS -#define NO_SYS_NO_TIMERS 0 -#endif - -/** - * MEMCPY: override this if you have a faster implementation at hand than the - * one included in your C library - */ -#ifndef MEMCPY -#define MEMCPY(dst,src,len) os_memcpy(dst,src,len) -#endif - -/** - * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a - * call to memcpy() if the length is known at compile time and is small. - */ -#ifndef SMEMCPY -#define SMEMCPY(dst,src,len) os_memcpy(dst,src,len) -#endif - -/* - ------------------------------------ - ---------- Memory options ---------- - ------------------------------------ -*/ -/** - * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library - * instead of the lwip internal allocator. Can save code size if you - * already use it. - */ -#ifndef MEM_LIBC_MALLOC -#define MEM_LIBC_MALLOC 1 -#endif - -/** -* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. -* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution -* speed and usage from interrupts! -*/ -#ifndef MEMP_MEM_MALLOC -#define MEMP_MEM_MALLOC 1 -#endif - -/** - * MEM_ALIGNMENT: should be set to the alignment of the CPU - * 4 byte alignment -> #define MEM_ALIGNMENT 4 - * 2 byte alignment -> #define MEM_ALIGNMENT 2 - */ -#ifndef MEM_ALIGNMENT -#define MEM_ALIGNMENT 4 -#endif - -/** - * MEM_SIZE: the size of the heap memory. If the application will send - * a lot of data that needs to be copied, this should be set high. - */ -#ifndef MEM_SIZE -#define MEM_SIZE 16000 -#endif - -/** - * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array. - * This can be used to individually change the location of each pool. - * Default is one big array for all pools - */ -#ifndef MEMP_SEPARATE_POOLS -#define MEMP_SEPARATE_POOLS 1 -#endif - -/** - * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable - * amount of bytes before and after each memp element in every pool and fills - * it with a prominent default value. - * MEMP_OVERFLOW_CHECK == 0 no checking - * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed - * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time - * memp_malloc() or memp_free() is called (useful but slow!) - */ -#ifndef MEMP_OVERFLOW_CHECK -#define MEMP_OVERFLOW_CHECK 0 -#endif - -/** - * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make - * sure that there are no cycles in the linked lists. - */ -#ifndef MEMP_SANITY_CHECK -#define MEMP_SANITY_CHECK 1 -#endif - -/** - * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set - * of memory pools of various sizes. When mem_malloc is called, an element of - * the smallest pool that can provide the length needed is returned. - * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. - */ -#ifndef MEM_USE_POOLS -#define MEM_USE_POOLS 0 -#endif - -/** - * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next - * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more - * reliable. */ -#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL -#define MEM_USE_POOLS_TRY_BIGGER_POOL 0 -#endif - -/** - * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h - * that defines additional pools beyond the "standard" ones required - * by lwIP. If you set this to 1, you must have lwippools.h in your - * inlude path somewhere. - */ -#ifndef MEMP_USE_CUSTOM_POOLS -#define MEMP_USE_CUSTOM_POOLS 0 -#endif - -/** - * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from - * interrupt context (or another context that doesn't allow waiting for a - * semaphore). - * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, - * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs - * with each loop so that mem_free can run. - * - * ATTENTION: As you can see from the above description, this leads to dis-/ - * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc - * can need longer. - * - * If you don't want that, at least for NO_SYS=0, you can still use the following - * functions to enqueue a deallocation call which then runs in the tcpip_thread - * context: - * - pbuf_free_callback(p); - * - mem_free_callback(m); - */ -#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT -#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 -#endif - -/* - ------------------------------------------------ - ---------- Internal Memory Pool Sizes ---------- - ------------------------------------------------ -*/ -/** - * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). - * If the application sends a lot of data out of ROM (or other static memory), - * this should be set high. - */ -#ifndef MEMP_NUM_PBUF -#define MEMP_NUM_PBUF 10 -#endif - -/** - * MEMP_NUM_RAW_PCB: Number of raw connection PCBs - * (requires the LWIP_RAW option) - */ -#ifndef MEMP_NUM_RAW_PCB -#define MEMP_NUM_RAW_PCB 4 -#endif - -/** - * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One - * per active UDP "connection". - * (requires the LWIP_UDP option) - */ -#ifndef MEMP_NUM_UDP_PCB -#define MEMP_NUM_UDP_PCB 4 -#endif - -/** - * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB -#define MEMP_NUM_TCP_PCB (*(volatile uint32*)0x600011FC) -#endif - -/** - * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB_LISTEN -#define MEMP_NUM_TCP_PCB_LISTEN 2 -#endif - -/** - * MEMP_NUM_TCP_PCB_TIME_WAIT: the number of TCP pcbs in TIME_WAIT state. - * (requires the LWIP_TCP option, 0 = disabled) - */ -#ifndef MEMP_NUM_TCP_PCB_TIME_WAIT -#define MEMP_NUM_TCP_PCB_TIME_WAIT 5 -#endif - -/** - * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_SEG -#define MEMP_NUM_TCP_SEG 16 -#endif - -/** - * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for - * reassembly (whole packets, not fragments!) - */ -#ifndef MEMP_NUM_REASSDATA -#define MEMP_NUM_REASSDATA 0 -#endif - -/** - * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent - * (fragments, not whole packets!). - * This is only used with IP_FRAG_USES_STATIC_BUF==0 and - * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs - * where the packet is not yet sent when netif->output returns. - */ -#ifndef MEMP_NUM_FRAG_PBUF -#define MEMP_NUM_FRAG_PBUF 0 -#endif - -/** - * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing - * packets (pbufs) that are waiting for an ARP request (to resolve - * their destination address) to finish. - * (requires the ARP_QUEUEING option) - */ -#ifndef MEMP_NUM_ARP_QUEUE -#define MEMP_NUM_ARP_QUEUE 10 -#endif - -/** - * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces - * can be members et the same time (one per netif - allsystems group -, plus one - * per netif membership). - * (requires the LWIP_IGMP option) - */ -#ifndef MEMP_NUM_IGMP_GROUP -#define MEMP_NUM_IGMP_GROUP 8 -#endif - -/** - * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. - * (requires NO_SYS==0) - */ -#ifndef MEMP_NUM_SYS_TIMEOUT -#define MEMP_NUM_SYS_TIMEOUT 8 -#endif - -/** - * MEMP_NUM_NETBUF: the number of struct netbufs. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETBUF -#define MEMP_NUM_NETBUF 0 -#endif - -/** - * MEMP_NUM_NETCONN: the number of struct netconns. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETCONN -#define MEMP_NUM_NETCONN 0 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used - * for callback/timeout API communication. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_API -#define MEMP_NUM_TCPIP_MSG_API 4 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used - * for incoming packets. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_INPKT -#define MEMP_NUM_TCPIP_MSG_INPKT 4 -#endif - -/** - * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree. - */ -#ifndef MEMP_NUM_SNMP_NODE -#define MEMP_NUM_SNMP_NODE 0 -#endif - -/** - * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree. - * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least! - */ -#ifndef MEMP_NUM_SNMP_ROOTNODE -#define MEMP_NUM_SNMP_ROOTNODE 0 -#endif - -/** - * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to - * be changed normally) - 2 of these are used per request (1 for input, - * 1 for output) - */ -#ifndef MEMP_NUM_SNMP_VARBIND -#define MEMP_NUM_SNMP_VARBIND 0 -#endif - -/** - * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used - * (does not have to be changed normally) - 3 of these are used per request - * (1 for the value read and 2 for OIDs - input and output) - */ -#ifndef MEMP_NUM_SNMP_VALUE -#define MEMP_NUM_SNMP_VALUE 0 -#endif - -/** - * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls - * (before freeing the corresponding memory using lwip_freeaddrinfo()). - */ -#ifndef MEMP_NUM_NETDB -#define MEMP_NUM_NETDB 0 -#endif - -/** - * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list - * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1. - */ -#ifndef MEMP_NUM_LOCALHOSTLIST -#define MEMP_NUM_LOCALHOSTLIST 0 -#endif - -/** - * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE - * interfaces (only used with PPPOE_SUPPORT==1) - */ -#ifndef MEMP_NUM_PPPOE_INTERFACES -#define MEMP_NUM_PPPOE_INTERFACES 0 -#endif - -/** - * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. - */ -#ifndef PBUF_POOL_SIZE -#define PBUF_POOL_SIZE 10 -#endif - -/* - --------------------------------- - ---------- ARP options ---------- - --------------------------------- -*/ -/** - * LWIP_ARP==1: Enable ARP functionality. - */ -#ifndef LWIP_ARP -#define LWIP_ARP 1 -#endif - -/** - * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. - */ -#ifndef ARP_TABLE_SIZE -#define ARP_TABLE_SIZE 10 -#endif - -/** - * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address - * resolution. By default, only the most recent packet is queued per IP address. - * This is sufficient for most protocols and mainly reduces TCP connection - * startup time. Set this to 1 if you know your application sends more than one - * packet in a row to an IP address that is not in the ARP cache. - */ -#ifndef ARP_QUEUEING -#define ARP_QUEUEING 1 -#endif - -/** - * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be - * updated with the source MAC and IP addresses supplied in the packet. - * You may want to disable this if you do not trust LAN peers to have the - * correct addresses, or as a limited approach to attempt to handle - * spoofing. If disabled, lwIP will need to make a new ARP request if - * the peer is not already in the ARP table, adding a little latency. - * The peer *is* in the ARP table if it requested our address before. - * Also notice that this slows down input processing of every IP packet! - */ -#ifndef ETHARP_TRUST_IP_MAC -#define ETHARP_TRUST_IP_MAC 1 -#endif - -/** - * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header. - * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. - * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. - * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. - */ -#ifndef ETHARP_SUPPORT_VLAN -#define ETHARP_SUPPORT_VLAN 0 -#endif - -/** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP - * might be disabled - */ -#ifndef LWIP_ETHERNET -#define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT) -#endif - -/** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure - * alignment of payload after that header. Since the header is 14 bytes long, - * without this padding e.g. addresses in the IP header will not be aligned - * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms. - */ -#ifndef ETH_PAD_SIZE -#define ETH_PAD_SIZE 0 -#endif - -/** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table - * entries (using etharp_add_static_entry/etharp_remove_static_entry). - */ -#ifndef ETHARP_SUPPORT_STATIC_ENTRIES -#define ETHARP_SUPPORT_STATIC_ENTRIES 0 -#endif - - -/* - -------------------------------- - ---------- IP options ---------- - -------------------------------- -*/ -/** - * IP_FORWARD==1: Enables the ability to forward IP packets across network - * interfaces. If you are going to run lwIP on a device with only one network - * interface, define this to 0. - */ -#ifndef IP_FORWARD -#define IP_FORWARD 0 -#endif - -/** - * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. - * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. - * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). - */ -#ifndef IP_OPTIONS_ALLOWED -#define IP_OPTIONS_ALLOWED 1 -#endif - -/** - * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that - * this option does not affect outgoing packet sizes, which can be controlled - * via IP_FRAG. - */ -#ifndef IP_REASSEMBLY -#define IP_REASSEMBLY 0 -#endif - -/** - * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note - * that this option does not affect incoming packet sizes, which can be - * controlled via IP_REASSEMBLY. - */ -#ifndef IP_FRAG -#define IP_FRAG 0 -#endif - -/** - * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) - * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived - * in this time, the whole packet is discarded. - */ -#ifndef IP_REASS_MAXAGE -#define IP_REASS_MAXAGE 3 -#endif - -/** - * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. - * Since the received pbufs are enqueued, be sure to configure - * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive - * packets even if the maximum amount of fragments is enqueued for reassembly! - */ -#ifndef IP_REASS_MAX_PBUFS -#define IP_REASS_MAX_PBUFS 10 -#endif - -/** - * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP - * fragmentation. Otherwise pbufs are allocated and reference the original - * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1, - * new PBUF_RAM pbufs are used for fragments). - * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs! - */ -#ifndef IP_FRAG_USES_STATIC_BUF -#define IP_FRAG_USES_STATIC_BUF 1 -#endif - -/** - * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer - * (requires IP_FRAG_USES_STATIC_BUF==1) - */ -#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) -#define IP_FRAG_MAX_MTU 1500 -#endif - -/** - * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. - */ -#ifndef IP_DEFAULT_TTL -#define IP_DEFAULT_TTL 128 -#endif - -/** - * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast - * filter per pcb on udp and raw send operations. To enable broadcast filter - * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. - */ -#ifndef IP_SOF_BROADCAST -#define IP_SOF_BROADCAST 0 -#endif - -/** - * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast - * filter on recv operations. - */ -#ifndef IP_SOF_BROADCAST_RECV -#define IP_SOF_BROADCAST_RECV 0 -#endif - -/* - ---------------------------------- - ---------- ICMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_ICMP==1: Enable ICMP module inside the IP stack. - * Be careful, disable that make your product non-compliant to RFC1122 - */ -#ifndef LWIP_ICMP -#define LWIP_ICMP 1 -#endif - -/** - * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. - */ -#ifndef ICMP_TTL -#define ICMP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) - */ -#ifndef LWIP_BROADCAST_PING -#define LWIP_BROADCAST_PING 0 -#endif - -/** - * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) - */ -#ifndef LWIP_MULTICAST_PING -#define LWIP_MULTICAST_PING 0 -#endif - -/* - --------------------------------- - ---------- RAW options ---------- - --------------------------------- -*/ -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef LWIP_RAW -#define LWIP_RAW 1 -#endif - -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef RAW_TTL -#define RAW_TTL (IP_DEFAULT_TTL) -#endif - -/* - ---------------------------------- - ---------- DHCP options ---------- - ---------------------------------- -*/ -/** - * LWIP_DHCP==1: Enable DHCP module. - */ -#ifndef LWIP_DHCP -#define LWIP_DHCP 1 -#endif - -/** - * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. - */ -#ifndef DHCP_DOES_ARP_CHECK -#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) -#endif - -/** - * DHCP_MAXRTX: Maximum number of retries of current request. - */ -#ifndef DHCP_MAXRTX -#define DHCP_MAXRTX (*(volatile uint32*)0x600011E0) -#endif - -/* - ------------------------------------ - ---------- AUTOIP options ---------- - ------------------------------------ -*/ -/** - * LWIP_AUTOIP==1: Enable AUTOIP module. - */ -#ifndef LWIP_AUTOIP -#define LWIP_AUTOIP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on - * the same interface at the same time. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP -#define LWIP_DHCP_AUTOIP_COOP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes - * that should be sent before falling back on AUTOIP. This can be set - * as low as 1 to get an AutoIP address very quickly, but you should - * be prepared to handle a changing IP address when DHCP overrides - * AutoIP. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES -#define LWIP_DHCP_AUTOIP_COOP_TRIES 9 -#endif - -/* - ---------------------------------- - ---------- SNMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP - * transport. - */ -#ifndef LWIP_SNMP -#define LWIP_SNMP 0 -#endif - -/** - * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will - * allow. At least one request buffer is required. - */ -#ifndef SNMP_CONCURRENT_REQUESTS -#define SNMP_CONCURRENT_REQUESTS 0 -#endif - -/** - * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap - * destination is required - */ -#ifndef SNMP_TRAP_DESTINATIONS -#define SNMP_TRAP_DESTINATIONS 0 -#endif - -/** - * SNMP_PRIVATE_MIB: - */ -#ifndef SNMP_PRIVATE_MIB -#define SNMP_PRIVATE_MIB 0 -#endif - -/** - * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not - * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). - * Unsafe requests are disabled by default! - */ -#ifndef SNMP_SAFE_REQUESTS -#define SNMP_SAFE_REQUESTS 0 -#endif - -/** - * The maximum length of strings used. This affects the size of - * MEMP_SNMP_VALUE elements. - */ -#ifndef SNMP_MAX_OCTET_STRING_LEN -#define SNMP_MAX_OCTET_STRING_LEN 127 -#endif - -/** - * The maximum depth of the SNMP tree. - * With private MIBs enabled, this depends on your MIB! - * This affects the size of MEMP_SNMP_VALUE elements. - */ -#ifndef SNMP_MAX_TREE_DEPTH -#define SNMP_MAX_TREE_DEPTH 15 -#endif - -/** - * The size of the MEMP_SNMP_VALUE elements, normally calculated from - * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH. - */ -#ifndef SNMP_MAX_VALUE_SIZE -#define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH)) -#endif - -/* - ---------------------------------- - ---------- IGMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_IGMP==1: Turn on IGMP module. - */ -#ifndef LWIP_IGMP -#define LWIP_IGMP 1 -#endif -/* - ---------------------------------- - ---------- MDNS options ---------- - ---------------------------------- -*/ -/** - * LWIP_MDNS==1: Turn on MDNS module. - */ -#ifndef LWIP_MDNS -#define LWIP_MDNS 1 -#endif - -/* - ---------------------------------- - ---------- DNS options ----------- - ---------------------------------- -*/ -/** - * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS - * transport. - */ -#ifndef LWIP_DNS -#define LWIP_DNS 1 -#endif - -/** DNS maximum number of entries to maintain locally. */ -#ifndef DNS_TABLE_SIZE -#define DNS_TABLE_SIZE 4 -#endif - -/** DNS maximum host name length supported in the name table. */ -#ifndef DNS_MAX_NAME_LENGTH -#define DNS_MAX_NAME_LENGTH 256 -#endif - -/** The maximum of DNS servers */ -#ifndef DNS_MAX_SERVERS -#define DNS_MAX_SERVERS 2 -#endif - -/** DNS do a name checking between the query and the response. */ -#ifndef DNS_DOES_NAME_CHECK -#define DNS_DOES_NAME_CHECK 1 -#endif - -/** DNS message max. size. Default value is RFC compliant. */ -#ifndef DNS_MSG_SIZE -#define DNS_MSG_SIZE 512 -#endif - -/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, - * you have to define - * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} - * (an array of structs name/address, where address is an u32_t in network - * byte order). - * - * Instead, you can also use an external function: - * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name) - * that returns the IP address or INADDR_NONE if not found. - */ -#ifndef DNS_LOCAL_HOSTLIST -#define DNS_LOCAL_HOSTLIST 0 -#endif /* DNS_LOCAL_HOSTLIST */ - -/** If this is turned on, the local host-list can be dynamically changed - * at runtime. */ -#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC -#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -/* - --------------------------------- - ---------- UDP options ---------- - --------------------------------- -*/ -/** - * LWIP_UDP==1: Turn on UDP. - */ -#ifndef LWIP_UDP -#define LWIP_UDP 1 -#endif - -/** - * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) - */ -#ifndef LWIP_UDPLITE -#define LWIP_UDPLITE 0 -#endif - -/** - * UDP_TTL: Default Time-To-Live value. - */ -#ifndef UDP_TTL -#define UDP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. - */ -#ifndef LWIP_NETBUF_RECVINFO -#define LWIP_NETBUF_RECVINFO 0 -#endif - -/* - --------------------------------- - ---------- TCP options ---------- - --------------------------------- -*/ -/** - * LWIP_TCP==1: Turn on TCP. - */ -#ifndef LWIP_TCP -#define LWIP_TCP 1 -#endif - -/** - * TCP_TTL: Default Time-To-Live value. - */ -#ifndef TCP_TTL -#define TCP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * TCP_WND: The size of a TCP window. This must be at least - * (2 * TCP_MSS) for things to work well - */ -#ifndef TCP_WND -#define TCP_WND (*(volatile uint32*)0x600011F0) -#endif - -/** - * TCP_MAXRTX: Maximum number of retransmissions of data segments. - */ -#ifndef TCP_MAXRTX -#define TCP_MAXRTX (*(volatile uint32*)0x600011E8) -#endif - -/** - * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. - */ -#ifndef TCP_SYNMAXRTX -#define TCP_SYNMAXRTX (*(volatile uint32*)0x600011E4) -#endif - -/** - * TCP_MAXRTO: Maximum retransmission timeout of data segments. - */ -#ifndef TCP_MAXRTO -#define TCP_MAXRTO 10 -#endif - -/** - * TCP_MINRTO: Minimum retransmission timeout of data segments. - */ -#ifndef TCP_MINRTO -#define TCP_MINRTO 2 -#endif - -/** - * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. - * Define to 0 if your device is low on memory. - */ -#ifndef TCP_QUEUE_OOSEQ -#define TCP_QUEUE_OOSEQ 1 -#endif - -#if 1 -/** - * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, - * you might want to increase this.) - * For the receive side, this MSS is advertised to the remote side - * when opening a connection. For the transmit size, this MSS sets - * an upper limit on the MSS advertised by the remote host. - */ -#ifndef TCP_MSS -#define TCP_MSS 1460 -#endif -#endif - -/** - * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really - * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which - * reflects the available reassembly buffer size at the remote host) and the - * largest size permitted by the IP layer" (RFC 1122) - * Setting this to 1 enables code that checks TCP_MSS against the MTU of the - * netif used for a connection and limits the MSS if it would be too big otherwise. - */ -#ifndef TCP_CALCULATE_EFF_SEND_MSS -#define TCP_CALCULATE_EFF_SEND_MSS 1 -#endif - - -/** - * TCP_SND_BUF: TCP sender buffer space (bytes). - */ -#ifndef TCP_SND_BUF -#define TCP_SND_BUF 2 * TCP_MSS -#endif - -/** - * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least - * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. - */ -#ifndef TCP_SND_QUEUELEN -#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS)) -#endif - -/** - * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than - * TCP_SND_BUF. It is the amount of space which must be available in the - * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT). - */ -#ifndef TCP_SNDLOWAT -#define TCP_SNDLOWAT ((TCP_SND_BUF)/2) -#endif - -/** - * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater - * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below - * this number, select returns writable (combined with TCP_SNDLOWAT). - */ -#ifndef TCP_SNDQUEUELOWAT -#define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5) -#endif - -/** - * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. - */ -#ifndef TCP_LISTEN_BACKLOG -#define TCP_LISTEN_BACKLOG 0 -#endif - -/** - * The maximum allowed backlog for TCP listen netconns. - * This backlog is used unless another is explicitly specified. - * 0xff is the maximum (u8_t). - */ -#ifndef TCP_DEFAULT_LISTEN_BACKLOG -#define TCP_DEFAULT_LISTEN_BACKLOG 0xff -#endif - -/** - * TCP_OVERSIZE: The maximum number of bytes that tcp_write may - * allocate ahead of time in an attempt to create shorter pbuf chains - * for transmission. The meaningful range is 0 to TCP_MSS. Some - * suggested values are: - * - * 0: Disable oversized allocation. Each tcp_write() allocates a new - pbuf (old behaviour). - * 1: Allocate size-aligned pbufs with minimal excess. Use this if your - * scatter-gather DMA requires aligned fragments. - * 128: Limit the pbuf/memory overhead to 20%. - * TCP_MSS: Try to create unfragmented TCP packets. - * TCP_MSS/4: Try to create 4 fragments or less per TCP packet. - */ -#ifndef TCP_OVERSIZE -#define TCP_OVERSIZE TCP_MSS -#endif - -/** - * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. - */ -#ifndef LWIP_TCP_TIMESTAMPS -#define LWIP_TCP_TIMESTAMPS 0 -#endif - -/** - * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an - * explicit window update - */ -#ifndef TCP_WND_UPDATE_THRESHOLD -#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) -#endif - -/** - * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. - * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all - * events (accept, sent, etc) that happen in the system. - * LWIP_CALLBACK_API==1: The PCB callback function is called directly - * for the event. - */ -#ifndef LWIP_EVENT_API -#define LWIP_EVENT_API 0 -#define LWIP_CALLBACK_API 1 -#else -#define LWIP_EVENT_API 1 -#define LWIP_CALLBACK_API 0 -#endif - - -/* - ---------------------------------- - ---------- Pbuf options ---------- - ---------------------------------- -*/ -/** - * PBUF_LINK_HLEN: the number of bytes that should be allocated for a - * link level header. The default is 14, the standard value for - * Ethernet. - */ -#ifndef PBUF_LINK_HLEN -#define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE) -#endif - -/** - * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is - * designed to accomodate single full size TCP frame in one pbuf, including - * TCP_MSS, IP header, and link header. - */ -#ifndef PBUF_POOL_BUFSIZE -#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) -#endif - -/* - ------------------------------------------------ - ---------- Network Interfaces options ---------- - ------------------------------------------------ -*/ -/** - * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname - * field. - */ -#ifndef LWIP_NETIF_HOSTNAME -#define LWIP_NETIF_HOSTNAME 1 -#endif - -/** - * LWIP_NETIF_API==1: Support netif api (in netifapi.c) - */ -#ifndef LWIP_NETIF_API -#define LWIP_NETIF_API 0 -#endif - -/** - * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface - * changes its up/down status (i.e., due to DHCP IP acquistion) - */ -#ifndef LWIP_NETIF_STATUS_CALLBACK -#define LWIP_NETIF_STATUS_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface - * whenever the link changes (i.e., link down) - */ -#ifndef LWIP_NETIF_LINK_CALLBACK -#define LWIP_NETIF_LINK_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table - * indices) in struct netif. TCP and UDP can make use of this to prevent - * scanning the ARP table for every sent packet. While this is faster for big - * ARP tables or many concurrent connections, it might be counterproductive - * if you have a tiny ARP table or if there never are concurrent connections. - */ -#ifndef LWIP_NETIF_HWADDRHINT -#define LWIP_NETIF_HWADDRHINT 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP - * address equal to the netif IP address, looping them back up the stack. - */ -#ifndef LWIP_NETIF_LOOPBACK -#define LWIP_NETIF_LOOPBACK 0 -#endif - -/** - * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback - * sending for each netif (0 = disabled) - */ -#ifndef LWIP_LOOPBACK_MAX_PBUFS -#define LWIP_LOOPBACK_MAX_PBUFS 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in - * the system, as netifs must change how they behave depending on this setting - * for the LWIP_NETIF_LOOPBACK option to work. - * Setting this is needed to avoid reentering non-reentrant functions like - * tcp_input(). - * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a - * multithreaded environment like tcpip.c. In this case, netif->input() - * is called directly. - * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. - * The packets are put on a list and netif_poll() must be called in - * the main application loop. - */ -#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING -#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) -#endif - -/** - * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data - * to be sent into one single pbuf. This is for compatibility with DMA-enabled - * MACs that do not support scatter-gather. - * Beware that this might involve CPU-memcpy before transmitting that would not - * be needed without this flag! Use this only if you need to! - * - * @todo: TCP and IP-frag do not work with this, yet: - */ -#ifndef LWIP_NETIF_TX_SINGLE_PBUF -#define LWIP_NETIF_TX_SINGLE_PBUF 1 -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - -/* - ------------------------------------ - ---------- LOOPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c - */ -#ifndef LWIP_HAVE_LOOPIF -#define LWIP_HAVE_LOOPIF 0 -#endif - -/* - ------------------------------------ - ---------- SLIPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c - */ -#ifndef LWIP_HAVE_SLIPIF -#define LWIP_HAVE_SLIPIF 0 -#endif - -/* - ------------------------------------ - ---------- Thread options ---------- - ------------------------------------ -*/ -/** - * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. - */ -#ifndef TCPIP_THREAD_NAME -#define TCPIP_THREAD_NAME "tcpip_thread" -#endif - -/** - * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_STACKSIZE -#define TCPIP_THREAD_STACKSIZE 0 -#endif - -/** - * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_PRIO -#define TCPIP_THREAD_PRIO 1 -#endif - -/** - * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when tcpip_init is called. - */ -#ifndef TCPIP_MBOX_SIZE -#define TCPIP_MBOX_SIZE 0 -#endif - -/** - * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. - */ -#ifndef SLIPIF_THREAD_NAME -#define SLIPIF_THREAD_NAME "slipif_loop" -#endif - -/** - * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_STACKSIZE -#define SLIPIF_THREAD_STACKSIZE 0 -#endif - -/** - * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_PRIO -#define SLIPIF_THREAD_PRIO 1 -#endif - -/** - * PPP_THREAD_NAME: The name assigned to the pppInputThread. - */ -#ifndef PPP_THREAD_NAME -#define PPP_THREAD_NAME "pppInputThread" -#endif - -/** - * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_STACKSIZE -#define PPP_THREAD_STACKSIZE 0 -#endif - -/** - * PPP_THREAD_PRIO: The priority assigned to the pppInputThread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_PRIO -#define PPP_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. - */ -#ifndef DEFAULT_THREAD_NAME -#define DEFAULT_THREAD_NAME "lwIP" -#endif - -/** - * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_STACKSIZE -#define DEFAULT_THREAD_STACKSIZE 0 -#endif - -/** - * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_PRIO -#define DEFAULT_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_RAW_RECVMBOX_SIZE -#define DEFAULT_RAW_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_UDP_RECVMBOX_SIZE -#define DEFAULT_UDP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_TCP_RECVMBOX_SIZE -#define DEFAULT_TCP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when the acceptmbox is created. - */ -#ifndef DEFAULT_ACCEPTMBOX_SIZE -#define DEFAULT_ACCEPTMBOX_SIZE 0 -#endif - -/* - ---------------------------------------------- - ---------- Sequential layer options ---------- - ---------------------------------------------- -*/ -/** - * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) - * Don't use it if you're not an active lwIP project member - */ -#ifndef LWIP_TCPIP_CORE_LOCKING -#define LWIP_TCPIP_CORE_LOCKING 0 -#endif - -/** - * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!) - * Don't use it if you're not an active lwIP project member - */ -#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT -#define LWIP_TCPIP_CORE_LOCKING_INPUT 0 -#endif - -/** - * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) - */ -#ifndef LWIP_NETCONN -#define LWIP_NETCONN 0 -#endif - -/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create - * timers running in tcpip_thread from another thread. - */ -#ifndef LWIP_TCPIP_TIMEOUT -#define LWIP_TCPIP_TIMEOUT 1 -#endif - -/* - ------------------------------------ - ---------- Socket options ---------- - ------------------------------------ -*/ -/** - * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) - */ -#ifndef LWIP_SOCKET -#define LWIP_SOCKET 0 -#endif - -/** - * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. - * (only used if you use sockets.c) - */ -#ifndef LWIP_COMPAT_SOCKETS -#define LWIP_COMPAT_SOCKETS 0 -#endif - -/** - * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. - * Disable this option if you use a POSIX operating system that uses the same - * names (read, write & close). (only used if you use sockets.c) - */ -#ifndef LWIP_POSIX_SOCKETS_IO_NAMES -#define LWIP_POSIX_SOCKETS_IO_NAMES 0 -#endif - -/** - * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT - * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set - * in seconds. (does not require sockets.c, and will affect tcp.c) - */ -#ifndef LWIP_TCP_KEEPALIVE -#define LWIP_TCP_KEEPALIVE 1 -#endif - -/** - * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. - */ -#ifndef LWIP_SO_RCVTIMEO -#define LWIP_SO_RCVTIMEO 0 -#endif - -/** - * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. - */ -#ifndef LWIP_SO_RCVBUF -#define LWIP_SO_RCVBUF 0 -#endif - -/** - * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. - */ -#ifndef RECV_BUFSIZE_DEFAULT -#define RECV_BUFSIZE_DEFAULT INT_MAX -#endif - -/** - * SO_REUSE==1: Enable SO_REUSEADDR option. - */ -#ifndef SO_REUSE -#define SO_REUSE 1 -#endif - -/** - * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets - * to all local matches if SO_REUSEADDR is turned on. - * WARNING: Adds a memcpy for every packet if passing to more than one pcb! - */ -#ifndef SO_REUSE_RXTOALL -#define SO_REUSE_RXTOALL 0 -#endif - -/* - ---------------------------------------- - ---------- Statistics options ---------- - ---------------------------------------- -*/ -/** - * LWIP_STATS==1: Enable statistics collection in lwip_stats. - */ -#ifndef LWIP_STATS -#define LWIP_STATS 0 -#endif - -#if LWIP_STATS - -/** - * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. - */ -#ifndef LWIP_STATS_DISPLAY -#define LWIP_STATS_DISPLAY 0 -#endif - -/** - * LINK_STATS==1: Enable link stats. - */ -#ifndef LINK_STATS -#define LINK_STATS 1 -#endif - -/** - * ETHARP_STATS==1: Enable etharp stats. - */ -#ifndef ETHARP_STATS -#define ETHARP_STATS (LWIP_ARP) -#endif - -/** - * IP_STATS==1: Enable IP stats. - */ -#ifndef IP_STATS -#define IP_STATS 1 -#endif - -/** - * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is - * on if using either frag or reass. - */ -#ifndef IPFRAG_STATS -#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) -#endif - -/** - * ICMP_STATS==1: Enable ICMP stats. - */ -#ifndef ICMP_STATS -#define ICMP_STATS 1 -#endif - -/** - * IGMP_STATS==1: Enable IGMP stats. - */ -#ifndef IGMP_STATS -#define IGMP_STATS (LWIP_IGMP) -#endif - -/** - * UDP_STATS==1: Enable UDP stats. Default is on if - * UDP enabled, otherwise off. - */ -#ifndef UDP_STATS -#define UDP_STATS (LWIP_UDP) -#endif - -/** - * TCP_STATS==1: Enable TCP stats. Default is on if TCP - * enabled, otherwise off. - */ -#ifndef TCP_STATS -#define TCP_STATS (LWIP_TCP) -#endif - -/** - * MEM_STATS==1: Enable mem.c stats. - */ -#ifndef MEM_STATS -#define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) -#endif - -/** - * MEMP_STATS==1: Enable memp.c pool stats. - */ -#ifndef MEMP_STATS -#define MEMP_STATS (MEMP_MEM_MALLOC == 0) -#endif - -/** - * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). - */ -#ifndef SYS_STATS -#define SYS_STATS (NO_SYS == 0) -#endif - -#else -#define ETHARP_STATS 0 -#define LINK_STATS 0 -#define IP_STATS 0 -#define IPFRAG_STATS 0 -#define ICMP_STATS 0 -#define IGMP_STATS 0 -#define UDP_STATS 0 -#define TCP_STATS 0 -#define MEM_STATS 0 -#define MEMP_STATS 0 -#define SYS_STATS 0 -#define LWIP_STATS_DISPLAY 0 - -#endif /* LWIP_STATS */ - -/* - --------------------------------- - ---------- PPP options ---------- - --------------------------------- -*/ -/** - * PPP_SUPPORT==1: Enable PPP. - */ -#ifndef PPP_SUPPORT -#define PPP_SUPPORT 0 -#endif - -/** - * PPPOE_SUPPORT==1: Enable PPP Over Ethernet - */ -#ifndef PPPOE_SUPPORT -#define PPPOE_SUPPORT 0 -#endif - -/** - * PPPOS_SUPPORT==1: Enable PPP Over Serial - */ -#ifndef PPPOS_SUPPORT -#define PPPOS_SUPPORT PPP_SUPPORT -#endif - -#if PPP_SUPPORT - -/** - * NUM_PPP: Max PPP sessions. - */ -#ifndef NUM_PPP -#define NUM_PPP 1 -#endif - -/** - * PAP_SUPPORT==1: Support PAP. - */ -#ifndef PAP_SUPPORT -#define PAP_SUPPORT 0 -#endif - -/** - * CHAP_SUPPORT==1: Support CHAP. - */ -#ifndef CHAP_SUPPORT -#define CHAP_SUPPORT 0 -#endif - -/** - * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef MSCHAP_SUPPORT -#define MSCHAP_SUPPORT 0 -#endif - -/** - * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CBCP_SUPPORT -#define CBCP_SUPPORT 0 -#endif - -/** - * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CCP_SUPPORT -#define CCP_SUPPORT 0 -#endif - -/** - * VJ_SUPPORT==1: Support VJ header compression. - */ -#ifndef VJ_SUPPORT -#define VJ_SUPPORT 0 -#endif - -/** - * MD5_SUPPORT==1: Support MD5 (see also CHAP). - */ -#ifndef MD5_SUPPORT -#define MD5_SUPPORT 0 -#endif - -/* - * Timeouts - */ -#ifndef FSM_DEFTIMEOUT -#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef FSM_DEFMAXTERMREQS -#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXCONFREQS -#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXNAKLOOPS -#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ -#endif - -#ifndef UPAP_DEFTIMEOUT -#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ -#endif - -#ifndef UPAP_DEFREQTIME -#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ -#endif - -#ifndef CHAP_DEFTIMEOUT -#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef CHAP_DEFTRANSMITS -#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ -#endif - -/* Interval in seconds between keepalive echo requests, 0 to disable. */ -#ifndef LCP_ECHOINTERVAL -#define LCP_ECHOINTERVAL 0 -#endif - -/* Number of unanswered echo requests before failure. */ -#ifndef LCP_MAXECHOFAILS -#define LCP_MAXECHOFAILS 3 -#endif - -/* Max Xmit idle time (in jiffies) before resend flag char. */ -#ifndef PPP_MAXIDLEFLAG -#define PPP_MAXIDLEFLAG 100 -#endif - -/* - * Packet sizes - * - * Note - lcp shouldn't be allowed to negotiate stuff outside these - * limits. See lcp.h in the pppd directory. - * (XXX - these constants should simply be shared by lcp.c instead - * of living in lcp.h) - */ -#define PPP_MTU 1500 /* Default MTU (size of Info field) */ -#ifndef PPP_MAXMTU -/* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ -#define PPP_MAXMTU 1500 /* Largest MTU we allow */ -#endif -#define PPP_MINMTU 64 -#define PPP_MRU 1500 /* default MRU = max length of info field */ -#define PPP_MAXMRU 1500 /* Largest MRU we allow */ -#ifndef PPP_DEFMRU -#define PPP_DEFMRU 296 /* Try for this */ -#endif -#define PPP_MINMRU 128 /* No MRUs below this */ - -#ifndef MAXNAMELEN -#define MAXNAMELEN 256 /* max length of hostname or name for auth */ -#endif -#ifndef MAXSECRETLEN -#define MAXSECRETLEN 256 /* max length of password or secret */ -#endif - -#endif /* PPP_SUPPORT */ - -/* - -------------------------------------- - ---------- Checksum options ---------- - -------------------------------------- -*/ -/** - * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. - */ -#ifndef CHECKSUM_GEN_IP -#define CHECKSUM_GEN_IP 1 -#endif - -/** - * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. - */ -#ifndef CHECKSUM_GEN_UDP -#define CHECKSUM_GEN_UDP 1 -#endif - -/** - * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. - */ -#ifndef CHECKSUM_GEN_TCP -#define CHECKSUM_GEN_TCP 1 -#endif - -/** - * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. - */ -#ifndef CHECKSUM_CHECK_IP -#define CHECKSUM_CHECK_IP 1 -#endif - -/** - * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. - */ -#ifndef CHECKSUM_CHECK_UDP -#define CHECKSUM_CHECK_UDP 1 -#endif - -/** - * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. - */ -#ifndef CHECKSUM_CHECK_TCP -#define CHECKSUM_CHECK_TCP 1 -#endif - -/** - * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from - * application buffers to pbufs. - */ -#ifndef LWIP_CHECKSUM_ON_COPY -#define LWIP_CHECKSUM_ON_COPY 0 -#endif - -/* - --------------------------------------- - ---------- Debugging options ---------- - --------------------------------------- -*/ -/** - * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is - * compared against this value. If it is smaller, then debugging - * messages are written. - */ -#ifndef LWIP_DBG_MIN_LEVEL -#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL -#endif - -/** - * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable - * debug messages of certain types. - */ -#ifndef LWIP_DBG_TYPES_ON -#define LWIP_DBG_TYPES_ON LWIP_DBG_OFF -#endif - -/** - * ETHARP_DEBUG: Enable debugging in etharp.c. - */ -#ifndef ETHARP_DEBUG -#define ETHARP_DEBUG LWIP_DBG_OFF -#endif - -/** - * NETIF_DEBUG: Enable debugging in netif.c. - */ -#ifndef NETIF_DEBUG -#define NETIF_DEBUG LWIP_DBG_OFF -#endif - -/** - * PBUF_DEBUG: Enable debugging in pbuf.c. - */ -#ifndef PBUF_DEBUG -#define PBUF_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_LIB_DEBUG: Enable debugging in api_lib.c. - */ -#ifndef API_LIB_DEBUG -#define API_LIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_MSG_DEBUG: Enable debugging in api_msg.c. - */ -#ifndef API_MSG_DEBUG -#define API_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SOCKETS_DEBUG: Enable debugging in sockets.c. - */ -#ifndef SOCKETS_DEBUG -#define SOCKETS_DEBUG LWIP_DBG_OFF -#endif - -/** - * ICMP_DEBUG: Enable debugging in icmp.c. - */ -#ifndef ICMP_DEBUG -#define ICMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IGMP_DEBUG: Enable debugging in igmp.c. - */ -#ifndef IGMP_DEBUG -#define IGMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * INET_DEBUG: Enable debugging in inet.c. - */ -#ifndef INET_DEBUG -#define INET_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_DEBUG: Enable debugging for IP. - */ -#ifndef IP_DEBUG -#define IP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. - */ -#ifndef IP_REASS_DEBUG -#define IP_REASS_DEBUG LWIP_DBG_OFF -#endif - -/** - * RAW_DEBUG: Enable debugging in raw.c. - */ -#ifndef RAW_DEBUG -#define RAW_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEM_DEBUG: Enable debugging in mem.c. - */ -#ifndef MEM_DEBUG -#define MEM_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEMP_DEBUG: Enable debugging in memp.c. - */ -#ifndef MEMP_DEBUG -#define MEMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SYS_DEBUG: Enable debugging in sys.c. - */ -#ifndef SYS_DEBUG -#define SYS_DEBUG LWIP_DBG_OFF -#endif - -/** - * TIMERS_DEBUG: Enable debugging in timers.c. - */ -#ifndef TIMERS_DEBUG -#define TIMERS_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_DEBUG: Enable debugging for TCP. - */ -#ifndef TCP_DEBUG -#define TCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. - */ -#ifndef TCP_INPUT_DEBUG -#define TCP_INPUT_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. - */ -#ifndef TCP_FR_DEBUG -#define TCP_FR_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit - * timeout. - */ -#ifndef TCP_RTO_DEBUG -#define TCP_RTO_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. - */ -#ifndef TCP_CWND_DEBUG -#define TCP_CWND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. - */ -#ifndef TCP_WND_DEBUG -#define TCP_WND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. - */ -#ifndef TCP_OUTPUT_DEBUG -#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. - */ -#ifndef TCP_RST_DEBUG -#define TCP_RST_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. - */ -#ifndef TCP_QLEN_DEBUG -#define TCP_QLEN_DEBUG LWIP_DBG_OFF -#endif - -/** - * UDP_DEBUG: Enable debugging in UDP. - */ -#ifndef UDP_DEBUG -#define UDP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCPIP_DEBUG: Enable debugging in tcpip.c. - */ -#ifndef TCPIP_DEBUG -#define TCPIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * PPP_DEBUG: Enable debugging for PPP. - */ -#ifndef PPP_DEBUG -#define PPP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SLIP_DEBUG: Enable debugging in slipif.c. - */ -#ifndef SLIP_DEBUG -#define SLIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * DHCP_DEBUG: Enable debugging in dhcp.c. - */ -#ifndef DHCP_DEBUG -#define DHCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * AUTOIP_DEBUG: Enable debugging in autoip.c. - */ -#ifndef AUTOIP_DEBUG -#define AUTOIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. - */ -#ifndef SNMP_MSG_DEBUG -#define SNMP_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. - */ -#ifndef SNMP_MIB_DEBUG -#define SNMP_MIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * DNS_DEBUG: Enable debugging for DNS. - */ -#ifndef DNS_DEBUG -#define DNS_DEBUG LWIP_DBG_OFF -#endif - -#endif /* __LWIP_OPT_H__ */ diff --git a/tools/sdk/lwip/include/netif/etharp.h b/tools/sdk/lwip/include/netif/etharp.h deleted file mode 100644 index 2092ab7a1c..0000000000 --- a/tools/sdk/lwip/include/netif/etharp.h +++ /dev/null @@ -1,254 +0,0 @@ -/* - * Copyright (c) 2001-2003 Swedish Institute of Computer Science. - * Copyright (c) 2003-2004 Leon Woestenberg - * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#ifndef __NETIF_ETHARP_H__ -#define __NETIF_ETHARP_H__ - -#include "lwip/opt.h" - -#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef ETHARP_HWADDR_LEN -#define ETHARP_HWADDR_LEN 6 -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct eth_addr { - PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** Ethernet header */ -struct eth_hdr { -#if ETH_PAD_SIZE - PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]); -#endif - PACK_STRUCT_FIELD(struct eth_addr dest); - PACK_STRUCT_FIELD(struct eth_addr src); - PACK_STRUCT_FIELD(u16_t type); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE) - -#if ETHARP_SUPPORT_VLAN - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** VLAN header inserted between ethernet header and payload - * if 'type' in ethernet header is ETHTYPE_VLAN. - * See IEEE802.Q */ -struct eth_vlan_hdr { - PACK_STRUCT_FIELD(u16_t tpid); - PACK_STRUCT_FIELD(u16_t prio_vid); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_VLAN_HDR 4 -#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF) - -#endif /* ETHARP_SUPPORT_VLAN */ - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** the ARP message, see RFC 826 ("Packet format") */ -struct etharp_hdr { - PACK_STRUCT_FIELD(u16_t hwtype); - PACK_STRUCT_FIELD(u16_t proto); - PACK_STRUCT_FIELD(u8_t hwlen); - PACK_STRUCT_FIELD(u8_t protolen); - PACK_STRUCT_FIELD(u16_t opcode); - PACK_STRUCT_FIELD(struct eth_addr shwaddr); - PACK_STRUCT_FIELD(struct ip_addr2 sipaddr); - PACK_STRUCT_FIELD(struct eth_addr dhwaddr); - PACK_STRUCT_FIELD(struct ip_addr2 dipaddr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_ETHARP_HDR 28 -#define SIZEOF_ETHARP_MINSIZE 46 -#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR) -#define SIZEOF_ETHARP_WITHPAD (SIZEOF_ETH_HDR + SIZEOF_ETHARP_MINSIZE) - -/** 5 seconds period */ -#define ARP_TMR_INTERVAL 5000 - -#define ETHTYPE_ARP 0x0806 -#define ETHTYPE_IP 0x0800 -#define ETHTYPE_VLAN 0x8100 -#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ -#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ -#define ETHTYPE_PAE 0x888e - -/** MEMCPY-like macro to copy to/from struct eth_addr's that are local variables - * or known to be 32-bit aligned within the protocol header. */ -#ifndef ETHADDR32_COPY -#define ETHADDR32_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN) -#endif - -/** MEMCPY-like macro to copy to/from struct eth_addr's that are no local - * variables and known to be 16-bit aligned within the protocol header. */ -#ifndef ETHADDR16_COPY -#define ETHADDR16_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN) -#endif - -#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */ - -/** ARP message types (opcodes) */ -#define ARP_REQUEST 1 -#define ARP_REPLY 2 - -/** Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type) - * to a filter function that returns the correct netif when using multiple - * netifs on one hardware interface where the netif's low-level receive - * routine cannot decide for the correct netif (e.g. when mapping multiple - * IP addresses to one hardware interface). - */ -#ifndef LWIP_ARP_FILTER_NETIF -#define LWIP_ARP_FILTER_NETIF 0 -#endif - -#if ARP_QUEUEING -/** struct for queueing outgoing packets for unknown address - * defined here to be accessed by memp.h - */ -struct etharp_q_entry { - struct etharp_q_entry *next; - struct pbuf *p; -}; -#endif /* ARP_QUEUEING */ - -#define etharp_init() /* Compatibility define, not init needed. */ -void etharp_tmr(void)ICACHE_FLASH_ATTR; -s8_t etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr, - struct eth_addr **eth_ret, ip_addr_t **ip_ret)ICACHE_FLASH_ATTR; -err_t etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -err_t etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q)ICACHE_FLASH_ATTR; -err_t etharp_request(struct netif *netif, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -/** For Ethernet network interfaces, we might want to send "gratuitous ARP"; - * this is an ARP packet sent by a node in order to spontaneously cause other - * nodes to update an entry in their ARP cache. - * From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */ -#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr) -void etharp_cleanup_netif(struct netif *netif); - -#if ETHARP_SUPPORT_STATIC_ENTRIES -err_t etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr)ICACHE_FLASH_ATTR; -err_t etharp_remove_static_entry(ip_addr_t *ipaddr)ICACHE_FLASH_ATTR; -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - -#if LWIP_AUTOIP -err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, - const struct eth_addr *ethdst_addr, - const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr, - const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr, - const u16_t opcode)ICACHE_FLASH_ATTR; -#endif /* LWIP_AUTOIP */ - -#endif /* LWIP_ARP */ - -err_t ethernet_input(struct pbuf *p, struct netif *netif)ICACHE_FLASH_ATTR; - -#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0) - -extern const struct eth_addr ethbroadcast, ethzero; - -#endif /* LWIP_ARP || LWIP_ETHERNET */ - -#if 0 -/** Ethernet header */ -#ifndef ETHARP_HWADDR_LEN -#define ETHARP_HWADDR_LEN 6 -#endif - - -struct eth_addr { - PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]); -} PACK_STRUCT_STRUCT; - - -struct eth_hdr { -#if ETH_PAD_SIZE - PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]); -#endif - PACK_STRUCT_FIELD(struct eth_addr dest); - PACK_STRUCT_FIELD(struct eth_addr src); - PACK_STRUCT_FIELD(u16_t type); -} PACK_STRUCT_STRUCT; - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE) - -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __NETIF_ARP_H__ */ diff --git a/tools/sdk/lwip/include/netif/if_llc.h b/tools/sdk/lwip/include/netif/if_llc.h deleted file mode 100644 index ca09b38687..0000000000 --- a/tools/sdk/lwip/include/netif/if_llc.h +++ /dev/null @@ -1,173 +0,0 @@ -/* $NetBSD: if_llc.h,v 1.12 1999/11/19 20:41:19 thorpej Exp $ */ - -/*- - * Copyright (c) 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)if_llc.h 8.1 (Berkeley) 6/10/93 - * $FreeBSD$ - */ - -#ifndef _NET_IF_LLC_H_ -#define _NET_IF_LLC_H_ - -/* - * IEEE 802.2 Link Level Control headers, for use in conjunction with - * 802.{3,4,5} media access control methods. - * - * Headers here do not use bit fields due to shortcommings in many - * compilers. - */ - -struct llc { - uint8_t llc_dsap; - uint8_t llc_ssap; - union { - struct { - uint8_t control; - uint8_t format_id; - uint8_t class; - uint8_t window_x2; - } __packed type_u; - struct { - uint8_t num_snd_x2; - uint8_t num_rcv_x2; - } __packed type_i; - struct { - uint8_t control; - uint8_t num_rcv_x2; - } __packed type_s; - struct { - uint8_t control; - /* - * We cannot put the following fields in a structure because - * the structure rounding might cause padding. - */ - uint8_t frmr_rej_pdu0; - uint8_t frmr_rej_pdu1; - uint8_t frmr_control; - uint8_t frmr_control_ext; - uint8_t frmr_cause; - } __packed type_frmr; - struct { - uint8_t control; - uint8_t org_code[3]; - uint16_t ether_type; - } __packed type_snap; - struct { - uint8_t control; - uint8_t control_ext; - } __packed type_raw; - } __packed llc_un; -} __packed; - -struct frmrinfo { - uint8_t frmr_rej_pdu0; - uint8_t frmr_rej_pdu1; - uint8_t frmr_control; - uint8_t frmr_control_ext; - uint8_t frmr_cause; -} __packed; - -#define llc_control llc_un.type_u.control -#define llc_control_ext llc_un.type_raw.control_ext -#define llc_fid llc_un.type_u.format_id -#define llc_class llc_un.type_u.class -#define llc_window llc_un.type_u.window_x2 -#define llc_frmrinfo llc_un.type_frmr.frmr_rej_pdu0 -#define llc_frmr_pdu0 llc_un.type_frmr.frmr_rej_pdu0 -#define llc_frmr_pdu1 llc_un.type_frmr.frmr_rej_pdu1 -#define llc_frmr_control llc_un.type_frmr.frmr_control -#define llc_frmr_control_ext llc_un.type_frmr.frmr_control_ext -#define llc_frmr_cause llc_un.type_frmr.frmr_cause -#define llc_snap llc_un.type_snap - -/* - * Don't use sizeof(struct llc_un) for LLC header sizes - */ -#define LLC_ISFRAMELEN 4 -#define LLC_UFRAMELEN 3 -#define LLC_FRMRLEN 7 -#define LLC_SNAPFRAMELEN 8 - -#ifdef CTASSERT -CTASSERT(sizeof (struct llc) == LLC_SNAPFRAMELEN); -#endif - -/* - * Unnumbered LLC format commands - */ -#define LLC_UI 0x3 -#define LLC_UI_P 0x13 -#define LLC_DISC 0x43 -#define LLC_DISC_P 0x53 -#define LLC_UA 0x63 -#define LLC_UA_P 0x73 -#define LLC_TEST 0xe3 -#define LLC_TEST_P 0xf3 -#define LLC_FRMR 0x87 -#define LLC_FRMR_P 0x97 -#define LLC_DM 0x0f -#define LLC_DM_P 0x1f -#define LLC_XID 0xaf -#define LLC_XID_P 0xbf -#define LLC_SABME 0x6f -#define LLC_SABME_P 0x7f - -/* - * Supervisory LLC commands - */ -#define LLC_RR 0x01 -#define LLC_RNR 0x05 -#define LLC_REJ 0x09 - -/* - * Info format - dummy only - */ -#define LLC_INFO 0x00 - -/* - * ISO PDTR 10178 contains among others - */ -#define LLC_8021D_LSAP 0x42 -#define LLC_X25_LSAP 0x7e -#define LLC_SNAP_LSAP 0xaa -#define LLC_ISO_LSAP 0xfe - -#define RFC1042_LEN 6 -#define RFC1042 {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00} -#define ETHERNET_TUNNEL {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8} - -/* - * copied from sys/net/ethernet.h - */ -#define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */ -#define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */ - - - -#endif /* _NET_IF_LLC_H_ */ diff --git a/tools/sdk/lwip/include/netif/ppp_oe.h b/tools/sdk/lwip/include/netif/ppp_oe.h deleted file mode 100644 index e1cdfa5199..0000000000 --- a/tools/sdk/lwip/include/netif/ppp_oe.h +++ /dev/null @@ -1,190 +0,0 @@ -/***************************************************************************** -* ppp_oe.h - PPP Over Ethernet implementation for lwIP. -* -* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc. -* -* The authors hereby grant permission to use, copy, modify, distribute, -* and license this software and its documentation for any purpose, provided -* that existing copyright notices are retained in all copies and that this -* notice and the following disclaimer are included verbatim in any -* distributions. No written agreement, license, or royalty fee is required -* for any of the authorized uses. -* -* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR -* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -* -****************************************************************************** -* REVISION HISTORY -* -* 06-01-01 Marc Boucher -* Ported to lwIP. -*****************************************************************************/ - - - -/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */ - -/*- - * Copyright (c) 2002 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Martin Husemann . - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#ifndef PPP_OE_H -#define PPP_OE_H - -#include "lwip/opt.h" - -#if PPPOE_SUPPORT > 0 - -#include "netif/etharp.h" - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct pppoehdr { - PACK_STRUCT_FIELD(u8_t vertype); - PACK_STRUCT_FIELD(u8_t code); - PACK_STRUCT_FIELD(u16_t session); - PACK_STRUCT_FIELD(u16_t plen); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct pppoetag { - PACK_STRUCT_FIELD(u16_t tag); - PACK_STRUCT_FIELD(u16_t len); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - - -#define PPPOE_STATE_INITIAL 0 -#define PPPOE_STATE_PADI_SENT 1 -#define PPPOE_STATE_PADR_SENT 2 -#define PPPOE_STATE_SESSION 3 -#define PPPOE_STATE_CLOSING 4 -/* passive */ -#define PPPOE_STATE_PADO_SENT 1 - -#define PPPOE_HEADERLEN sizeof(struct pppoehdr) -#define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */ - -#define PPPOE_TAG_EOL 0x0000 /* end of list */ -#define PPPOE_TAG_SNAME 0x0101 /* service name */ -#define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */ -#define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */ -#define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */ -#define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */ -#define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */ -#define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */ -#define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */ -#define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */ - -#define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */ -#define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */ -#define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */ -#define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */ -#define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */ - -#ifndef ETHERMTU -#define ETHERMTU 1500 -#endif - -/* two byte PPP protocol discriminator, then IP data */ -#define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2) - -#ifndef PPPOE_MAX_AC_COOKIE_LEN -#define PPPOE_MAX_AC_COOKIE_LEN 64 -#endif - -struct pppoe_softc { - struct pppoe_softc *next; - struct netif *sc_ethif; /* ethernet interface we are using */ - int sc_pd; /* ppp unit number */ - void (*sc_linkStatusCB)(int pd, int up); - - int sc_state; /* discovery phase or session connected */ - struct eth_addr sc_dest; /* hardware address of concentrator */ - u16_t sc_session; /* PPPoE session id */ - -#ifdef PPPOE_TODO - char *sc_service_name; /* if != NULL: requested name of service */ - char *sc_concentrator_name; /* if != NULL: requested concentrator id */ -#endif /* PPPOE_TODO */ - u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */ - size_t sc_ac_cookie_len; /* length of cookie data */ -#ifdef PPPOE_SERVER - u8_t *sc_hunique; /* content of host unique we must echo back */ - size_t sc_hunique_len; /* length of host unique */ -#endif - int sc_padi_retried; /* number of PADI retries already done */ - int sc_padr_retried; /* number of PADR retries already done */ -}; - - -#define pppoe_init() /* compatibility define, no initialization needed */ - -err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr); -err_t pppoe_destroy(struct netif *ifp); - -int pppoe_connect(struct pppoe_softc *sc); -void pppoe_disconnect(struct pppoe_softc *sc); - -void pppoe_disc_input(struct netif *netif, struct pbuf *p); -void pppoe_data_input(struct netif *netif, struct pbuf *p); - -err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb); - -/** used in ppp.c */ -#define PPPOE_HDRLEN (sizeof(struct eth_hdr) + PPPOE_HEADERLEN) - -#endif /* PPPOE_SUPPORT */ - -#endif /* PPP_OE_H */ diff --git a/tools/sdk/lwip/include/netif/wlan_lwip_if.h b/tools/sdk/lwip/include/netif/wlan_lwip_if.h deleted file mode 100644 index ed9c477562..0000000000 --- a/tools/sdk/lwip/include/netif/wlan_lwip_if.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (c) 2010-2011 Espressif System - * -*/ - -#ifndef _WLAN_LWIP_IF_H_ -#define _WLAN_LWIP_IF_H_ - -#define LWIP_IF0_PRIO 28 -#define LWIP_IF1_PRIO 29 - -enum { - SIG_LWIP_RX = 0, -}; - -struct netif * eagle_lwip_if_alloc(struct ieee80211_conn *conn, const uint8 *macaddr, struct ip_info *info); -struct netif * eagle_lwip_getif(uint8 index); - -#ifndef IOT_SIP_MODE -sint8 ieee80211_output_pbuf(struct netif *ifp, struct pbuf* pb); -#else -sint8 ieee80211_output_pbuf(struct ieee80211_conn *conn, esf_buf *eb); -#endif - -#endif /* _WLAN_LWIP_IF_H_ */ diff --git a/tools/sdk/lwip/src/Makefile b/tools/sdk/lwip/src/Makefile deleted file mode 100644 index 26290cfdb0..0000000000 --- a/tools/sdk/lwip/src/Makefile +++ /dev/null @@ -1,40 +0,0 @@ -TOOLCHAIN_DIR ?= ../../../xtensa-lx106-elf -TOOLS_PATH ?= $(TOOLCHAIN_DIR)/bin/xtensa-lx106-elf- -LWIP_LIB ?= liblwip_src.a -SDK_PATH ?= $(abspath ../../) - -BUILD_PATH = build -LWIP_SRCS = $(patsubst %.c,$(BUILD_PATH)/%.o,$(wildcard */*.c)) $(patsubst %.c,$(BUILD_PATH)/%.o,$(wildcard */*/*.c)) - -LWIP_INCLUDE = -Ibuild -I$(SDK_PATH)/include -I$(SDK_PATH)/lwip/include -BUILD_FLAGS = -c -Os -g -Wpointer-arith -Wno-implicit-function-declaration -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -falign-functions=4 -MMD -std=gnu99 -ffunction-sections -fdata-sections -BUILD_DEFINES = -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -DLWIP_OPEN_SRC - -ifdef WITH_DEBUG_PREFIX_MAP -EXTRA_FLAGS = -fdebug-prefix-map=$(PWD)= -fdebug-prefix-map=$(TOOLCHAIN_DIR)=xtensa-lx106-elf -gno-record-gcc-switches -endif - -CC=$(TOOLS_PATH)gcc -AR=$(TOOLS_PATH)ar - -$(BUILD_PATH)/%.h: - @mkdir -p $(dir $@) - @touch $@ - -$(BUILD_PATH)/%.o: %.c - @mkdir -p $(dir $@) - $(CC) $(BUILD_FLAGS) $(BUILD_DEFINES) $(LWIP_INCLUDE) $(EXTRA_FLAGS) $< -o $@ - -$(LWIP_LIB): $(BUILD_PATH)/user_config.h $(LWIP_SRCS) - $(AR) cru $(LWIP_LIB) $(LWIP_SRCS) - -all: $(LWIP_LIB) - -install: all - cp -f $(LWIP_LIB) $(SDK_PATH)/lib/$(LWIP_LIB) - -release: all - cp -f $(LWIP_LIB) $(SDK_PATH)/lib/liblwip_gcc.a - -clean: - @rm -rf $(BUILD_PATH) $(LWIP_LIB) diff --git a/tools/sdk/lwip/src/api/api_lib.c b/tools/sdk/lwip/src/api/api_lib.c deleted file mode 100644 index 158325b09a..0000000000 --- a/tools/sdk/lwip/src/api/api_lib.c +++ /dev/null @@ -1,740 +0,0 @@ -/** - * @file - * Sequential API External module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -/* This is the part of the API that is linked with - the application */ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/api.h" -#include "lwip/tcpip.h" -#include "lwip/memp.h" - -#include "lwip/ip.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" - -#include - -/** - * Create a new netconn (of a specific type) that has a callback function. - * The corresponding pcb is also created. - * - * @param t the type of 'connection' to create (@see enum netconn_type) - * @param proto the IP protocol for RAW IP pcbs - * @param callback a function to call on status changes (RX available, TX'ed) - * @return a newly allocated struct netconn or - * NULL on memory error - */ -struct netconn* -netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto, netconn_callback callback) -{ - struct netconn *conn; - struct api_msg msg; - - conn = netconn_alloc(t, callback); - if (conn != NULL) { - msg.function = do_newconn; - msg.msg.msg.n.proto = proto; - msg.msg.conn = conn; - if (TCPIP_APIMSG(&msg) != ERR_OK) { - LWIP_ASSERT("freeing conn without freeing pcb", conn->pcb.tcp == NULL); - LWIP_ASSERT("conn has no op_completed", sys_sem_valid(&conn->op_completed)); - LWIP_ASSERT("conn has no recvmbox", sys_mbox_valid(&conn->recvmbox)); -#if LWIP_TCP - LWIP_ASSERT("conn->acceptmbox shouldn't exist", !sys_mbox_valid(&conn->acceptmbox)); -#endif /* LWIP_TCP */ - sys_sem_free(&conn->op_completed); - sys_mbox_free(&conn->recvmbox); - memp_free(MEMP_NETCONN, conn); - return NULL; - } - } - return conn; -} - -/** - * Close a netconn 'connection' and free its resources. - * UDP and RAW connection are completely closed, TCP pcbs might still be in a waitstate - * after this returns. - * - * @param conn the netconn to delete - * @return ERR_OK if the connection was deleted - */ -err_t -netconn_delete(struct netconn *conn) -{ - struct api_msg msg; - - /* No ASSERT here because possible to get a (conn == NULL) if we got an accept error */ - if (conn == NULL) { - return ERR_OK; - } - - msg.function = do_delconn; - msg.msg.conn = conn; - tcpip_apimsg(&msg); - - netconn_free(conn); - - /* don't care for return value of do_delconn since it only calls void functions */ - - return ERR_OK; -} - -/** - * Get the local or remote IP address and port of a netconn. - * For RAW netconns, this returns the protocol instead of a port! - * - * @param conn the netconn to query - * @param addr a pointer to which to save the IP address - * @param port a pointer to which to save the port (or protocol for RAW) - * @param local 1 to get the local IP address, 0 to get the remote one - * @return ERR_CONN for invalid connections - * ERR_OK if the information was retrieved - */ -err_t -netconn_getaddr(struct netconn *conn, ip_addr_t *addr, u16_t *port, u8_t local) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_getaddr: invalid conn", (conn != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_getaddr: invalid addr", (addr != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_getaddr: invalid port", (port != NULL), return ERR_ARG;); - - msg.function = do_getaddr; - msg.msg.conn = conn; - msg.msg.msg.ad.ipaddr = addr; - msg.msg.msg.ad.port = port; - msg.msg.msg.ad.local = local; - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Bind a netconn to a specific local IP address and port. - * Binding one netconn twice might not always be checked correctly! - * - * @param conn the netconn to bind - * @param addr the local IP address to bind the netconn to (use IP_ADDR_ANY - * to bind to all addresses) - * @param port the local port to bind the netconn to (not used for RAW) - * @return ERR_OK if bound, any other err_t on failure - */ -err_t -netconn_bind(struct netconn *conn, ip_addr_t *addr, u16_t port) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_bind: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_bind; - msg.msg.conn = conn; - msg.msg.msg.bc.ipaddr = addr; - msg.msg.msg.bc.port = port; - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Connect a netconn to a specific remote IP address and port. - * - * @param conn the netconn to connect - * @param addr the remote IP address to connect to - * @param port the remote port to connect to (no used for RAW) - * @return ERR_OK if connected, return value of tcp_/udp_/raw_connect otherwise - */ -err_t -netconn_connect(struct netconn *conn, ip_addr_t *addr, u16_t port) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_connect: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_connect; - msg.msg.conn = conn; - msg.msg.msg.bc.ipaddr = addr; - msg.msg.msg.bc.port = port; - /* This is the only function which need to not block tcpip_thread */ - err = tcpip_apimsg(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Disconnect a netconn from its current peer (only valid for UDP netconns). - * - * @param conn the netconn to disconnect - * @return TODO: return value is not set here... - */ -err_t -netconn_disconnect(struct netconn *conn) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_disconnect: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_disconnect; - msg.msg.conn = conn; - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Set a TCP netconn into listen mode - * - * @param conn the tcp netconn to set to listen mode - * @param backlog the listen backlog, only used if TCP_LISTEN_BACKLOG==1 - * @return ERR_OK if the netconn was set to listen (UDP and RAW netconns - * don't return any error (yet?)) - */ -err_t -netconn_listen_with_backlog(struct netconn *conn, u8_t backlog) -{ -#if LWIP_TCP - struct api_msg msg; - err_t err; - - /* This does no harm. If TCP_LISTEN_BACKLOG is off, backlog is unused. */ - LWIP_UNUSED_ARG(backlog); - - LWIP_ERROR("netconn_listen: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_listen; - msg.msg.conn = conn; -#if TCP_LISTEN_BACKLOG - msg.msg.msg.lb.backlog = backlog; -#endif /* TCP_LISTEN_BACKLOG */ - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -#else /* LWIP_TCP */ - LWIP_UNUSED_ARG(conn); - LWIP_UNUSED_ARG(backlog); - return ERR_ARG; -#endif /* LWIP_TCP */ -} - -/** - * Accept a new connection on a TCP listening netconn. - * - * @param conn the TCP listen netconn - * @param new_conn pointer where the new connection is stored - * @return ERR_OK if a new connection has been received or an error - * code otherwise - */ -err_t -netconn_accept(struct netconn *conn, struct netconn **new_conn) -{ -#if LWIP_TCP - struct netconn *newconn; - err_t err; -#if TCP_LISTEN_BACKLOG - struct api_msg msg; -#endif /* TCP_LISTEN_BACKLOG */ - - LWIP_ERROR("netconn_accept: invalid pointer", (new_conn != NULL), return ERR_ARG;); - *new_conn = NULL; - LWIP_ERROR("netconn_accept: invalid conn", (conn != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_accept: invalid acceptmbox", sys_mbox_valid(&conn->acceptmbox), return ERR_ARG;); - - err = conn->last_err; - if (ERR_IS_FATAL(err)) { - /* don't recv on fatal errors: this might block the application task - waiting on acceptmbox forever! */ - return err; - } - -#if LWIP_SO_RCVTIMEO - if (sys_arch_mbox_fetch(&conn->acceptmbox, (void **)&newconn, conn->recv_timeout) == SYS_ARCH_TIMEOUT) { - NETCONN_SET_SAFE_ERR(conn, ERR_TIMEOUT); - return ERR_TIMEOUT; - } -#else - sys_arch_mbox_fetch(&conn->acceptmbox, (void **)&newconn, 0); -#endif /* LWIP_SO_RCVTIMEO*/ - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0); - - if (newconn == NULL) { - /* connection has been closed */ - NETCONN_SET_SAFE_ERR(conn, ERR_CLSD); - return ERR_CLSD; - } -#if TCP_LISTEN_BACKLOG - /* Let the stack know that we have accepted the connection. */ - msg.function = do_recv; - msg.msg.conn = conn; - /* don't care for the return value of do_recv */ - TCPIP_APIMSG(&msg); -#endif /* TCP_LISTEN_BACKLOG */ - - *new_conn = newconn; - /* don't set conn->last_err: it's only ERR_OK, anyway */ - return ERR_OK; -#else /* LWIP_TCP */ - LWIP_UNUSED_ARG(conn); - LWIP_UNUSED_ARG(new_conn); - return ERR_ARG; -#endif /* LWIP_TCP */ -} - -/** - * Receive data: actual implementation that doesn't care whether pbuf or netbuf - * is received - * - * @param conn the netconn from which to receive data - * @param new_buf pointer where a new pbuf/netbuf is stored when received data - * @return ERR_OK if data has been received, an error code otherwise (timeout, - * memory error or another error) - */ -static err_t -netconn_recv_data(struct netconn *conn, void **new_buf) -{ - void *buf = NULL; - u16_t len; - err_t err; -#if LWIP_TCP - struct api_msg msg; -#endif /* LWIP_TCP */ - - LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;); - *new_buf = NULL; - LWIP_ERROR("netconn_recv: invalid conn", (conn != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_accept: invalid recvmbox", sys_mbox_valid(&conn->recvmbox), return ERR_CONN;); - - err = conn->last_err; - if (ERR_IS_FATAL(err)) { - /* don't recv on fatal errors: this might block the application task - waiting on recvmbox forever! */ - /* @todo: this does not allow us to fetch data that has been put into recvmbox - before the fatal error occurred - is that a problem? */ - return err; - } - -#if LWIP_SO_RCVTIMEO - if (sys_arch_mbox_fetch(&conn->recvmbox, &buf, conn->recv_timeout) == SYS_ARCH_TIMEOUT) { - NETCONN_SET_SAFE_ERR(conn, ERR_TIMEOUT); - return ERR_TIMEOUT; - } -#else - sys_arch_mbox_fetch(&conn->recvmbox, &buf, 0); -#endif /* LWIP_SO_RCVTIMEO*/ - -#if LWIP_TCP - if (conn->type == NETCONN_TCP) { - if (!netconn_get_noautorecved(conn) || (buf == NULL)) { - /* Let the stack know that we have taken the data. */ - /* TODO: Speedup: Don't block and wait for the answer here - (to prevent multiple thread-switches). */ - msg.function = do_recv; - msg.msg.conn = conn; - if (buf != NULL) { - msg.msg.msg.r.len = ((struct pbuf *)buf)->tot_len; - } else { - msg.msg.msg.r.len = 1; - } - /* don't care for the return value of do_recv */ - TCPIP_APIMSG(&msg); - } - - /* If we are closed, we indicate that we no longer wish to use the socket */ - if (buf == NULL) { - API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0); - /* Avoid to lose any previous error code */ - NETCONN_SET_SAFE_ERR(conn, ERR_CLSD); - return ERR_CLSD; - } - len = ((struct pbuf *)buf)->tot_len; - } -#endif /* LWIP_TCP */ -#if LWIP_TCP && (LWIP_UDP || LWIP_RAW) - else -#endif /* LWIP_TCP && (LWIP_UDP || LWIP_RAW) */ -#if (LWIP_UDP || LWIP_RAW) - { - LWIP_ASSERT("buf != NULL", buf != NULL); - len = netbuf_len((struct netbuf *)buf); - } -#endif /* (LWIP_UDP || LWIP_RAW) */ - -#if LWIP_SO_RCVBUF - SYS_ARCH_DEC(conn->recv_avail, len); -#endif /* LWIP_SO_RCVBUF */ - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVMINUS, len); - - LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_recv_data: received %p, len=%"U16_F"\n", buf, len)); - - *new_buf = buf; - /* don't set conn->last_err: it's only ERR_OK, anyway */ - return ERR_OK; -} - -/** - * Receive data (in form of a pbuf) from a TCP netconn - * - * @param conn the netconn from which to receive data - * @param new_buf pointer where a new pbuf is stored when received data - * @return ERR_OK if data has been received, an error code otherwise (timeout, - * memory error or another error) - * ERR_ARG if conn is not a TCP netconn - */ -err_t -netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf) -{ - LWIP_ERROR("netconn_recv: invalid conn", (conn != NULL) && - netconn_type(conn) == NETCONN_TCP, return ERR_ARG;); - - return netconn_recv_data(conn, (void **)new_buf); -} - -/** - * Receive data (in form of a netbuf containing a packet buffer) from a netconn - * - * @param conn the netconn from which to receive data - * @param new_buf pointer where a new netbuf is stored when received data - * @return ERR_OK if data has been received, an error code otherwise (timeout, - * memory error or another error) - */ -err_t -netconn_recv(struct netconn *conn, struct netbuf **new_buf) -{ -#if LWIP_TCP - struct netbuf *buf = NULL; - err_t err; -#endif /* LWIP_TCP */ - - LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;); - *new_buf = NULL; - LWIP_ERROR("netconn_recv: invalid conn", (conn != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_accept: invalid recvmbox", sys_mbox_valid(&conn->recvmbox), return ERR_CONN;); - -#if LWIP_TCP - if (conn->type == NETCONN_TCP) { - struct pbuf *p = NULL; - /* This is not a listening netconn, since recvmbox is set */ - - buf = (struct netbuf *)memp_malloc(MEMP_NETBUF); - if (buf == NULL) { - NETCONN_SET_SAFE_ERR(conn, ERR_MEM); - return ERR_MEM; - } - - err = netconn_recv_data(conn, (void **)&p); - if (err != ERR_OK) { - memp_free(MEMP_NETBUF, buf); - return err; - } - LWIP_ASSERT("p != NULL", p != NULL); - - buf->p = p; - buf->ptr = p; - buf->port = 0; - ip_addr_set_any(&buf->addr); - *new_buf = buf; - /* don't set conn->last_err: it's only ERR_OK, anyway */ - return ERR_OK; - } else -#endif /* LWIP_TCP */ - { -#if (LWIP_UDP || LWIP_RAW) - return netconn_recv_data(conn, (void **)new_buf); -#endif /* (LWIP_UDP || LWIP_RAW) */ - } -} - -/** - * TCP: update the receive window: by calling this, the application - * tells the stack that it has processed data and is able to accept - * new data. - * ATTENTION: use with care, this is mainly used for sockets! - * Can only be used when calling netconn_set_noautorecved(conn, 1) before. - * - * @param conn the netconn for which to update the receive window - * @param length amount of data processed (ATTENTION: this must be accurate!) - */ -void -netconn_recved(struct netconn *conn, u32_t length) -{ -#if LWIP_TCP - if ((conn != NULL) && (conn->type == NETCONN_TCP) && - (netconn_get_noautorecved(conn))) { - struct api_msg msg; - /* Let the stack know that we have taken the data. */ - /* TODO: Speedup: Don't block and wait for the answer here - (to prevent multiple thread-switches). */ - msg.function = do_recv; - msg.msg.conn = conn; - msg.msg.msg.r.len = length; - /* don't care for the return value of do_recv */ - TCPIP_APIMSG(&msg); - } -#else /* LWIP_TCP */ - LWIP_UNUSED_ARG(conn); - LWIP_UNUSED_ARG(length); -#endif /* LWIP_TCP */ -} - -/** - * Send data (in form of a netbuf) to a specific remote IP address and port. - * Only to be used for UDP and RAW netconns (not TCP). - * - * @param conn the netconn over which to send data - * @param buf a netbuf containing the data to send - * @param addr the remote IP address to which to send the data - * @param port the remote port to which to send the data - * @return ERR_OK if data was sent, any other err_t on error - */ -err_t -netconn_sendto(struct netconn *conn, struct netbuf *buf, ip_addr_t *addr, u16_t port) -{ - if (buf != NULL) { - ip_addr_set(&buf->addr, addr); - buf->port = port; - return netconn_send(conn, buf); - } - return ERR_VAL; -} - -/** - * Send data over a UDP or RAW netconn (that is already connected). - * - * @param conn the UDP or RAW netconn over which to send data - * @param buf a netbuf containing the data to send - * @return ERR_OK if data was sent, any other err_t on error - */ -err_t -netconn_send(struct netconn *conn, struct netbuf *buf) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_send: invalid conn", (conn != NULL), return ERR_ARG;); - - LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_send: sending %"U16_F" bytes\n", buf->p->tot_len)); - msg.function = do_send; - msg.msg.conn = conn; - msg.msg.msg.b = buf; - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Send data over a TCP netconn. - * - * @param conn the TCP netconn over which to send data - * @param dataptr pointer to the application buffer that contains the data to send - * @param size size of the application data to send - * @param apiflags combination of following flags : - * - NETCONN_COPY: data will be copied into memory belonging to the stack - * - NETCONN_MORE: for TCP connection, PSH flag will be set on last segment sent - * - NETCONN_DONTBLOCK: only write the data if all dat can be written at once - * @return ERR_OK if data was sent, any other err_t on error - */ -err_t -netconn_write(struct netconn *conn, const void *dataptr, size_t size, u8_t apiflags) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_write: invalid conn", (conn != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_write: invalid conn->type", (conn->type == NETCONN_TCP), return ERR_VAL;); - if (size == 0) { - return ERR_OK; - } - - /* @todo: for non-blocking write, check if 'size' would ever fit into - snd_queue or snd_buf */ - msg.function = do_write; - msg.msg.conn = conn; - msg.msg.msg.w.dataptr = dataptr; - msg.msg.msg.w.apiflags = apiflags; - msg.msg.msg.w.len = size; - /* For locking the core: this _can_ be delayed on low memory/low send buffer, - but if it is, this is done inside api_msg.c:do_write(), so we can use the - non-blocking version here. */ - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Close ot shutdown a TCP netconn (doesn't delete it). - * - * @param conn the TCP netconn to close or shutdown - * @param how fully close or only shutdown one side? - * @return ERR_OK if the netconn was closed, any other err_t on error - */ -static err_t -netconn_close_shutdown(struct netconn *conn, u8_t how) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_close: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_close; - msg.msg.conn = conn; - /* shutting down both ends is the same as closing */ - msg.msg.msg.sd.shut = how; - /* because of the LWIP_TCPIP_CORE_LOCKING implementation of do_close, - don't use TCPIP_APIMSG here */ - err = tcpip_apimsg(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} - -/** - * Close a TCP netconn (doesn't delete it). - * - * @param conn the TCP netconn to close - * @return ERR_OK if the netconn was closed, any other err_t on error - */ -err_t -netconn_close(struct netconn *conn) -{ - /* shutting down both ends is the same as closing */ - return netconn_close_shutdown(conn, NETCONN_SHUT_RDWR); -} - -/** - * Shut down one or both sides of a TCP netconn (doesn't delete it). - * - * @param conn the TCP netconn to shut down - * @return ERR_OK if the netconn was closed, any other err_t on error - */ -err_t -netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx) -{ - return netconn_close_shutdown(conn, (shut_rx ? NETCONN_SHUT_RD : 0) | (shut_tx ? NETCONN_SHUT_WR : 0)); -} - -#if LWIP_IGMP -/** - * Join multicast groups for UDP netconns. - * - * @param conn the UDP netconn for which to change multicast addresses - * @param multiaddr IP address of the multicast group to join or leave - * @param netif_addr the IP address of the network interface on which to send - * the igmp message - * @param join_or_leave flag whether to send a join- or leave-message - * @return ERR_OK if the action was taken, any err_t on error - */ -err_t -netconn_join_leave_group(struct netconn *conn, - ip_addr_t *multiaddr, - ip_addr_t *netif_addr, - enum netconn_igmp join_or_leave) -{ - struct api_msg msg; - err_t err; - - LWIP_ERROR("netconn_join_leave_group: invalid conn", (conn != NULL), return ERR_ARG;); - - msg.function = do_join_leave_group; - msg.msg.conn = conn; - msg.msg.msg.jl.multiaddr = multiaddr; - msg.msg.msg.jl.netif_addr = netif_addr; - msg.msg.msg.jl.join_or_leave = join_or_leave; - err = TCPIP_APIMSG(&msg); - - NETCONN_SET_SAFE_ERR(conn, err); - return err; -} -#endif /* LWIP_IGMP */ - -#if LWIP_DNS -/** - * Execute a DNS query, only one IP address is returned - * - * @param name a string representation of the DNS host name to query - * @param addr a preallocated ip_addr_t where to store the resolved IP address - * @return ERR_OK: resolving succeeded - * ERR_MEM: memory error, try again later - * ERR_ARG: dns client not initialized or invalid hostname - * ERR_VAL: dns server response was invalid - */ -err_t -netconn_gethostbyname(const char *name, ip_addr_t *addr) -{ - struct dns_api_msg msg; - err_t err; - sys_sem_t sem; - - LWIP_ERROR("netconn_gethostbyname: invalid name", (name != NULL), return ERR_ARG;); - LWIP_ERROR("netconn_gethostbyname: invalid addr", (addr != NULL), return ERR_ARG;); - - err = sys_sem_new(&sem, 0); - if (err != ERR_OK) { - return err; - } - - msg.name = name; - msg.addr = addr; - msg.err = &err; - msg.sem = &sem; - - tcpip_callback(do_gethostbyname, &msg); - sys_sem_wait(&sem); - sys_sem_free(&sem); - - return err; -} -#endif /* LWIP_DNS*/ - -#endif /* LWIP_NETCONN */ diff --git a/tools/sdk/lwip/src/api/api_msg.c b/tools/sdk/lwip/src/api/api_msg.c deleted file mode 100644 index dcb07e9c6a..0000000000 --- a/tools/sdk/lwip/src/api/api_msg.c +++ /dev/null @@ -1,1540 +0,0 @@ -/** - * @file - * Sequential API Internal module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/api_msg.h" - -#include "lwip/ip.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" -#include "lwip/raw.h" - -#include "lwip/memp.h" -#include "lwip/tcpip.h" -#include "lwip/igmp.h" -#include "lwip/dns.h" - -#include - -#define SET_NONBLOCKING_CONNECT(conn, val) do { if(val) { \ - (conn)->flags |= NETCONN_FLAG_IN_NONBLOCKING_CONNECT; \ -} else { \ - (conn)->flags &= ~ NETCONN_FLAG_IN_NONBLOCKING_CONNECT; }} while(0) -#define IN_NONBLOCKING_CONNECT(conn) (((conn)->flags & NETCONN_FLAG_IN_NONBLOCKING_CONNECT) != 0) - -/* forward declarations */ -#if LWIP_TCP -static err_t do_writemore(struct netconn *conn); -static void do_close_internal(struct netconn *conn); -#endif - -#if LWIP_RAW -/** - * Receive callback function for RAW netconns. - * Doesn't 'eat' the packet, only references it and sends it to - * conn->recvmbox - * - * @see raw.h (struct raw_pcb.recv) for parameters and return value - */ -static u8_t -recv_raw(void *arg, struct raw_pcb *pcb, struct pbuf *p, - ip_addr_t *addr) -{ - struct pbuf *q; - struct netbuf *buf; - struct netconn *conn; - - LWIP_UNUSED_ARG(addr); - conn = (struct netconn *)arg; - - if ((conn != NULL) && sys_mbox_valid(&conn->recvmbox)) { -#if LWIP_SO_RCVBUF - int recv_avail; - SYS_ARCH_GET(conn->recv_avail, recv_avail); - if ((recv_avail + (int)(p->tot_len)) > conn->recv_bufsize) { - return 0; - } -#endif /* LWIP_SO_RCVBUF */ - /* copy the whole packet into new pbufs */ - q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); - if(q != NULL) { - if (pbuf_copy(q, p) != ERR_OK) { - pbuf_free(q); - q = NULL; - } - } - - if (q != NULL) { - u16_t len; - buf = (struct netbuf *)memp_malloc(MEMP_NETBUF); - if (buf == NULL) { - pbuf_free(q); - return 0; - } - - buf->p = q; - buf->ptr = q; - ip_addr_copy(buf->addr, *ip_current_src_addr()); - buf->port = pcb->protocol; - - len = q->tot_len; - if (sys_mbox_trypost(&conn->recvmbox, buf) != ERR_OK) { - netbuf_delete(buf); - return 0; - } else { -#if LWIP_SO_RCVBUF - SYS_ARCH_INC(conn->recv_avail, len); -#endif /* LWIP_SO_RCVBUF */ - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVPLUS, len); - } - } - } - - return 0; /* do not eat the packet */ -} -#endif /* LWIP_RAW*/ - -#if LWIP_UDP -/** - * Receive callback function for UDP netconns. - * Posts the packet to conn->recvmbox or deletes it on memory error. - * - * @see udp.h (struct udp_pcb.recv) for parameters - */ -static void -recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *addr, u16_t port) -{ - struct netbuf *buf; - struct netconn *conn; - u16_t len; -#if LWIP_SO_RCVBUF - int recv_avail; -#endif /* LWIP_SO_RCVBUF */ - - LWIP_UNUSED_ARG(pcb); /* only used for asserts... */ - LWIP_ASSERT("recv_udp must have a pcb argument", pcb != NULL); - LWIP_ASSERT("recv_udp must have an argument", arg != NULL); - conn = (struct netconn *)arg; - LWIP_ASSERT("recv_udp: recv for wrong pcb!", conn->pcb.udp == pcb); - -#if LWIP_SO_RCVBUF - SYS_ARCH_GET(conn->recv_avail, recv_avail); - if ((conn == NULL) || !sys_mbox_valid(&conn->recvmbox) || - ((recv_avail + (int)(p->tot_len)) > conn->recv_bufsize)) { -#else /* LWIP_SO_RCVBUF */ - if ((conn == NULL) || !sys_mbox_valid(&conn->recvmbox)) { -#endif /* LWIP_SO_RCVBUF */ - pbuf_free(p); - return; - } - - buf = (struct netbuf *)memp_malloc(MEMP_NETBUF); - if (buf == NULL) { - pbuf_free(p); - return; - } else { - buf->p = p; - buf->ptr = p; - ip_addr_set(&buf->addr, addr); - buf->port = port; -#if LWIP_NETBUF_RECVINFO - { - const struct ip_hdr* iphdr = ip_current_header(); - /* get the UDP header - always in the first pbuf, ensured by udp_input */ - const struct udp_hdr* udphdr = (void*)(((char*)iphdr) + IPH_LEN(iphdr)); -#if LWIP_CHECKSUM_ON_COPY - buf->flags = NETBUF_FLAG_DESTADDR; -#endif /* LWIP_CHECKSUM_ON_COPY */ - ip_addr_set(&buf->toaddr, ip_current_dest_addr()); - buf->toport_chksum = udphdr->dest; - } -#endif /* LWIP_NETBUF_RECVINFO */ - } - - len = p->tot_len; - if (sys_mbox_trypost(&conn->recvmbox, buf) != ERR_OK) { - netbuf_delete(buf); - return; - } else { -#if LWIP_SO_RCVBUF - SYS_ARCH_INC(conn->recv_avail, len); -#endif /* LWIP_SO_RCVBUF */ - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVPLUS, len); - } -} -#endif /* LWIP_UDP */ - -#if LWIP_TCP -/** - * Receive callback function for TCP netconns. - * Posts the packet to conn->recvmbox, but doesn't delete it on errors. - * - * @see tcp.h (struct tcp_pcb.recv) for parameters and return value - */ -static err_t -recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - struct netconn *conn; - u16_t len; - - LWIP_UNUSED_ARG(pcb); - LWIP_ASSERT("recv_tcp must have a pcb argument", pcb != NULL); - LWIP_ASSERT("recv_tcp must have an argument", arg != NULL); - conn = (struct netconn *)arg; - LWIP_ASSERT("recv_tcp: recv for wrong pcb!", conn->pcb.tcp == pcb); - - if (conn == NULL) { - return ERR_VAL; - } - if (!sys_mbox_valid(&conn->recvmbox)) { - /* recvmbox already deleted */ - if (p != NULL) { - tcp_recved(pcb, p->tot_len); - pbuf_free(p); - } - return ERR_OK; - } - /* Unlike for UDP or RAW pcbs, don't check for available space - using recv_avail since that could break the connection - (data is already ACKed) */ - - /* don't overwrite fatal errors! */ - NETCONN_SET_SAFE_ERR(conn, err); - - if (p != NULL) { - len = p->tot_len; - } else { - len = 0; - } - - if (sys_mbox_trypost(&conn->recvmbox, p) != ERR_OK) { - /* don't deallocate p: it is presented to us later again from tcp_fasttmr! */ - return ERR_MEM; - } else { -#if LWIP_SO_RCVBUF - SYS_ARCH_INC(conn->recv_avail, len); -#endif /* LWIP_SO_RCVBUF */ - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVPLUS, len); - } - - return ERR_OK; -} - -/** - * Poll callback function for TCP netconns. - * Wakes up an application thread that waits for a connection to close - * or data to be sent. The application thread then takes the - * appropriate action to go on. - * - * Signals the conn->sem. - * netconn_close waits for conn->sem if closing failed. - * - * @see tcp.h (struct tcp_pcb.poll) for parameters and return value - */ -static err_t -poll_tcp(void *arg, struct tcp_pcb *pcb) -{ - struct netconn *conn = (struct netconn *)arg; - - LWIP_UNUSED_ARG(pcb); - LWIP_ASSERT("conn != NULL", (conn != NULL)); - - if (conn->state == NETCONN_WRITE) { - do_writemore(conn); - } else if (conn->state == NETCONN_CLOSE) { - do_close_internal(conn); - } - /* @todo: implement connect timeout here? */ - - /* Did a nonblocking write fail before? Then check available write-space. */ - if (conn->flags & NETCONN_FLAG_CHECK_WRITESPACE) { - /* If the queued byte- or pbuf-count drops below the configured low-water limit, - let select mark this pcb as writable again. */ - if ((conn->pcb.tcp != NULL) && (tcp_sndbuf(conn->pcb.tcp) > TCP_SNDLOWAT) && - (tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) { - conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE; - API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0); - } - } - - return ERR_OK; -} - -/** - * Sent callback function for TCP netconns. - * Signals the conn->sem and calls API_EVENT. - * netconn_write waits for conn->sem if send buffer is low. - * - * @see tcp.h (struct tcp_pcb.sent) for parameters and return value - */ -static err_t -sent_tcp(void *arg, struct tcp_pcb *pcb, u16_t len) -{ - struct netconn *conn = (struct netconn *)arg; - - LWIP_UNUSED_ARG(pcb); - LWIP_ASSERT("conn != NULL", (conn != NULL)); - - if (conn->state == NETCONN_WRITE) { - do_writemore(conn); - } else if (conn->state == NETCONN_CLOSE) { - do_close_internal(conn); - } - - if (conn) { - /* If the queued byte- or pbuf-count drops below the configured low-water limit, - let select mark this pcb as writable again. */ - if ((conn->pcb.tcp != NULL) && (tcp_sndbuf(conn->pcb.tcp) > TCP_SNDLOWAT) && - (tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) { - conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE; - API_EVENT(conn, NETCONN_EVT_SENDPLUS, len); - } - } - - return ERR_OK; -} - -/** - * Error callback function for TCP netconns. - * Signals conn->sem, posts to all conn mboxes and calls API_EVENT. - * The application thread has then to decide what to do. - * - * @see tcp.h (struct tcp_pcb.err) for parameters - */ -static void -err_tcp(void *arg, err_t err) -{ - struct netconn *conn; - enum netconn_state old_state; - SYS_ARCH_DECL_PROTECT(lev); - - conn = (struct netconn *)arg; - LWIP_ASSERT("conn != NULL", (conn != NULL)); - - conn->pcb.tcp = NULL; - - /* no check since this is always fatal! */ - SYS_ARCH_PROTECT(lev); - conn->last_err = err; - SYS_ARCH_UNPROTECT(lev); - - /* reset conn->state now before waking up other threads */ - old_state = conn->state; - conn->state = NETCONN_NONE; - - /* Notify the user layer about a connection error. Used to signal - select. */ - API_EVENT(conn, NETCONN_EVT_ERROR, 0); - /* Try to release selects pending on 'read' or 'write', too. - They will get an error if they actually try to read or write. */ - API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0); - API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0); - - /* pass NULL-message to recvmbox to wake up pending recv */ - if (sys_mbox_valid(&conn->recvmbox)) { - /* use trypost to prevent deadlock */ - sys_mbox_trypost(&conn->recvmbox, NULL); - } - /* pass NULL-message to acceptmbox to wake up pending accept */ - if (sys_mbox_valid(&conn->acceptmbox)) { - /* use trypost to preven deadlock */ - sys_mbox_trypost(&conn->acceptmbox, NULL); - } - - if ((old_state == NETCONN_WRITE) || (old_state == NETCONN_CLOSE) || - (old_state == NETCONN_CONNECT)) { - /* calling do_writemore/do_close_internal is not necessary - since the pcb has already been deleted! */ - int was_nonblocking_connect = IN_NONBLOCKING_CONNECT(conn); - SET_NONBLOCKING_CONNECT(conn, 0); - - if (!was_nonblocking_connect) { - /* set error return code */ - LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL); - conn->current_msg->err = err; - conn->current_msg = NULL; - /* wake up the waiting task */ - sys_sem_signal(&conn->op_completed); - } - } else { - LWIP_ASSERT("conn->current_msg == NULL", conn->current_msg == NULL); - } -} - -/** - * Setup a tcp_pcb with the correct callback function pointers - * and their arguments. - * - * @param conn the TCP netconn to setup - */ -static void -setup_tcp(struct netconn *conn) -{ - struct tcp_pcb *pcb; - - pcb = conn->pcb.tcp; - tcp_arg(pcb, conn); - tcp_recv(pcb, recv_tcp); - tcp_sent(pcb, sent_tcp); - tcp_poll(pcb, poll_tcp, 4); - tcp_err(pcb, err_tcp); -} - -/** - * Accept callback function for TCP netconns. - * Allocates a new netconn and posts that to conn->acceptmbox. - * - * @see tcp.h (struct tcp_pcb_listen.accept) for parameters and return value - */ -static err_t -accept_function(void *arg, struct tcp_pcb *newpcb, err_t err) -{ - struct netconn *newconn; - struct netconn *conn = (struct netconn *)arg; - - LWIP_DEBUGF(API_MSG_DEBUG, ("accept_function: newpcb->tate: %s\n", tcp_debug_state_str(newpcb->state))); - - if (!sys_mbox_valid(&conn->acceptmbox)) { - LWIP_DEBUGF(API_MSG_DEBUG, ("accept_function: acceptmbox already deleted\n")); - return ERR_VAL; - } - - /* We have to set the callback here even though - * the new socket is unknown. conn->socket is marked as -1. */ - newconn = netconn_alloc(conn->type, conn->callback); - if (newconn == NULL) { - return ERR_MEM; - } - newconn->pcb.tcp = newpcb; - setup_tcp(newconn); - /* no protection: when creating the pcb, the netconn is not yet known - to the application thread */ - newconn->last_err = err; - - if (sys_mbox_trypost(&conn->acceptmbox, newconn) != ERR_OK) { - /* When returning != ERR_OK, the pcb is aborted in tcp_process(), - so do nothing here! */ - newconn->pcb.tcp = NULL; - /* no need to drain since we know the recvmbox is empty. */ - sys_mbox_free(&newconn->recvmbox); - sys_mbox_set_invalid(&newconn->recvmbox); - netconn_free(newconn); - return ERR_MEM; - } else { - /* Register event with callback */ - API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0); - } - - return ERR_OK; -} -#endif /* LWIP_TCP */ - -/** - * Create a new pcb of a specific type. - * Called from do_newconn(). - * - * @param msg the api_msg_msg describing the connection type - * @return msg->conn->err, but the return value is currently ignored - */ -static void -pcb_new(struct api_msg_msg *msg) -{ - LWIP_ASSERT("pcb_new: pcb already allocated", msg->conn->pcb.tcp == NULL); - - /* Allocate a PCB for this connection */ - switch(NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - msg->conn->pcb.raw = raw_new(msg->msg.n.proto); - if(msg->conn->pcb.raw == NULL) { - msg->err = ERR_MEM; - break; - } - raw_recv(msg->conn->pcb.raw, recv_raw, msg->conn); - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - msg->conn->pcb.udp = udp_new(); - if(msg->conn->pcb.udp == NULL) { - msg->err = ERR_MEM; - break; - } -#if LWIP_UDPLITE - if (msg->conn->type==NETCONN_UDPLITE) { - udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_UDPLITE); - } -#endif /* LWIP_UDPLITE */ - if (msg->conn->type==NETCONN_UDPNOCHKSUM) { - udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_NOCHKSUM); - } - udp_recv(msg->conn->pcb.udp, recv_udp, msg->conn); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - msg->conn->pcb.tcp = tcp_new(); - if(msg->conn->pcb.tcp == NULL) { - msg->err = ERR_MEM; - break; - } - setup_tcp(msg->conn); - break; -#endif /* LWIP_TCP */ - default: - /* Unsupported netconn type, e.g. protocol disabled */ - msg->err = ERR_VAL; - break; - } -} - -/** - * Create a new pcb of a specific type inside a netconn. - * Called from netconn_new_with_proto_and_callback. - * - * @param msg the api_msg_msg describing the connection type - */ -void -do_newconn(struct api_msg_msg *msg) -{ - msg->err = ERR_OK; - if(msg->conn->pcb.tcp == NULL) { - pcb_new(msg); - } - /* Else? This "new" connection already has a PCB allocated. */ - /* Is this an error condition? Should it be deleted? */ - /* We currently just are happy and return. */ - - TCPIP_APIMSG_ACK(msg); -} - -/** - * Create a new netconn (of a specific type) that has a callback function. - * The corresponding pcb is NOT created! - * - * @param t the type of 'connection' to create (@see enum netconn_type) - * @param proto the IP protocol for RAW IP pcbs - * @param callback a function to call on status changes (RX available, TX'ed) - * @return a newly allocated struct netconn or - * NULL on memory error - */ -struct netconn* -netconn_alloc(enum netconn_type t, netconn_callback callback) -{ - struct netconn *conn; - int size; - - conn = (struct netconn *)memp_malloc(MEMP_NETCONN); - if (conn == NULL) { - return NULL; - } - - conn->last_err = ERR_OK; - conn->type = t; - conn->pcb.tcp = NULL; - -#if (DEFAULT_RAW_RECVMBOX_SIZE == DEFAULT_UDP_RECVMBOX_SIZE) && \ - (DEFAULT_RAW_RECVMBOX_SIZE == DEFAULT_TCP_RECVMBOX_SIZE) - size = DEFAULT_RAW_RECVMBOX_SIZE; -#else - switch(NETCONNTYPE_GROUP(t)) { -#if LWIP_RAW - case NETCONN_RAW: - size = DEFAULT_RAW_RECVMBOX_SIZE; - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - size = DEFAULT_UDP_RECVMBOX_SIZE; - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - size = DEFAULT_TCP_RECVMBOX_SIZE; - break; -#endif /* LWIP_TCP */ - default: - LWIP_ASSERT("netconn_alloc: undefined netconn_type", 0); - break; - } -#endif - - if (sys_sem_new(&conn->op_completed, 0) != ERR_OK) { - memp_free(MEMP_NETCONN, conn); - return NULL; - } - if (sys_mbox_new(&conn->recvmbox, size) != ERR_OK) { - sys_sem_free(&conn->op_completed); - memp_free(MEMP_NETCONN, conn); - return NULL; - } - -#if LWIP_TCP - sys_mbox_set_invalid(&conn->acceptmbox); -#endif - conn->state = NETCONN_NONE; -#if LWIP_SOCKET - /* initialize socket to -1 since 0 is a valid socket */ - conn->socket = -1; -#endif /* LWIP_SOCKET */ - conn->callback = callback; -#if LWIP_TCP - conn->current_msg = NULL; - conn->write_offset = 0; -#endif /* LWIP_TCP */ -#if LWIP_SO_RCVTIMEO - conn->recv_timeout = 0; -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - conn->recv_bufsize = RECV_BUFSIZE_DEFAULT; - conn->recv_avail = 0; -#endif /* LWIP_SO_RCVBUF */ - conn->flags = 0; - return conn; -} - -/** - * Delete a netconn and all its resources. - * The pcb is NOT freed (since we might not be in the right thread context do this). - * - * @param conn the netconn to free - */ -void -netconn_free(struct netconn *conn) -{ - LWIP_ASSERT("PCB must be deallocated outside this function", conn->pcb.tcp == NULL); - LWIP_ASSERT("recvmbox must be deallocated before calling this function", - !sys_mbox_valid(&conn->recvmbox)); -#if LWIP_TCP - LWIP_ASSERT("acceptmbox must be deallocated before calling this function", - !sys_mbox_valid(&conn->acceptmbox)); -#endif /* LWIP_TCP */ - - sys_sem_free(&conn->op_completed); - sys_sem_set_invalid(&conn->op_completed); - - memp_free(MEMP_NETCONN, conn); -} - -/** - * Delete rcvmbox and acceptmbox of a netconn and free the left-over data in - * these mboxes - * - * @param conn the netconn to free - * @bytes_drained bytes drained from recvmbox - * @accepts_drained pending connections drained from acceptmbox - */ -static void -netconn_drain(struct netconn *conn) -{ - void *mem; -#if LWIP_TCP - struct pbuf *p; -#endif /* LWIP_TCP */ - - /* This runs in tcpip_thread, so we don't need to lock against rx packets */ - - /* Delete and drain the recvmbox. */ - if (sys_mbox_valid(&conn->recvmbox)) { - while (sys_mbox_tryfetch(&conn->recvmbox, &mem) != SYS_MBOX_EMPTY) { -#if LWIP_TCP - if (conn->type == NETCONN_TCP) { - if(mem != NULL) { - p = (struct pbuf*)mem; - /* pcb might be set to NULL already by err_tcp() */ - if (conn->pcb.tcp != NULL) { - tcp_recved(conn->pcb.tcp, p->tot_len); - } - pbuf_free(p); - } - } else -#endif /* LWIP_TCP */ - { - netbuf_delete((struct netbuf *)mem); - } - } - sys_mbox_free(&conn->recvmbox); - sys_mbox_set_invalid(&conn->recvmbox); - } - - /* Delete and drain the acceptmbox. */ -#if LWIP_TCP - if (sys_mbox_valid(&conn->acceptmbox)) { - while (sys_mbox_tryfetch(&conn->acceptmbox, &mem) != SYS_MBOX_EMPTY) { - struct netconn *newconn = (struct netconn *)mem; - /* Only tcp pcbs have an acceptmbox, so no need to check conn->type */ - /* pcb might be set to NULL already by err_tcp() */ - if (conn->pcb.tcp != NULL) { - tcp_accepted(conn->pcb.tcp); - } - /* drain recvmbox */ - netconn_drain(newconn); - if (newconn->pcb.tcp != NULL) { - tcp_abort(newconn->pcb.tcp); - newconn->pcb.tcp = NULL; - } - netconn_free(newconn); - } - sys_mbox_free(&conn->acceptmbox); - sys_mbox_set_invalid(&conn->acceptmbox); - } -#endif /* LWIP_TCP */ -} - -#if LWIP_TCP -/** - * Internal helper function to close a TCP netconn: since this sometimes - * doesn't work at the first attempt, this function is called from multiple - * places. - * - * @param conn the TCP netconn to close - */ -static void -do_close_internal(struct netconn *conn) -{ - err_t err; - u8_t shut, shut_rx, shut_tx, close; - - LWIP_ASSERT("invalid conn", (conn != NULL)); - LWIP_ASSERT("this is for tcp netconns only", (conn->type == NETCONN_TCP)); - LWIP_ASSERT("conn must be in state NETCONN_CLOSE", (conn->state == NETCONN_CLOSE)); - LWIP_ASSERT("pcb already closed", (conn->pcb.tcp != NULL)); - LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL); - - shut = conn->current_msg->msg.sd.shut; - shut_rx = shut & NETCONN_SHUT_RD; - shut_tx = shut & NETCONN_SHUT_WR; - /* shutting down both ends is the same as closing */ - close = shut == NETCONN_SHUT_RDWR; - - /* Set back some callback pointers */ - if (close) { - tcp_arg(conn->pcb.tcp, NULL); - } - if (conn->pcb.tcp->state == LISTEN) { - tcp_accept(conn->pcb.tcp, NULL); - } else { - /* some callbacks have to be reset if tcp_close is not successful */ - if (shut_rx) { - tcp_recv(conn->pcb.tcp, NULL); - tcp_accept(conn->pcb.tcp, NULL); - } - if (shut_tx) { - tcp_sent(conn->pcb.tcp, NULL); - } - if (close) { - tcp_poll(conn->pcb.tcp, NULL, 4); - tcp_err(conn->pcb.tcp, NULL); - } - } - /* Try to close the connection */ - if (shut == NETCONN_SHUT_RDWR) { - err = tcp_close(conn->pcb.tcp); - } else { - err = tcp_shutdown(conn->pcb.tcp, shut & NETCONN_SHUT_RD, shut & NETCONN_SHUT_WR); - } - if (err == ERR_OK) { - /* Closing succeeded */ - conn->current_msg->err = ERR_OK; - conn->current_msg = NULL; - conn->state = NETCONN_NONE; - /* Set back some callback pointers as conn is going away */ - conn->pcb.tcp = NULL; - /* Trigger select() in socket layer. Make sure everybody notices activity - on the connection, error first! */ - if (close) { - API_EVENT(conn, NETCONN_EVT_ERROR, 0); - } - if (shut_rx) { - API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0); - } - if (shut_tx) { - API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0); - } - /* wake up the application task */ - sys_sem_signal(&conn->op_completed); - } else { - /* Closing failed, restore some of the callbacks */ - /* Closing of listen pcb will never fail! */ - LWIP_ASSERT("Closing a listen pcb may not fail!", (conn->pcb.tcp->state != LISTEN)); - tcp_sent(conn->pcb.tcp, sent_tcp); - tcp_poll(conn->pcb.tcp, poll_tcp, 4); - tcp_err(conn->pcb.tcp, err_tcp); - tcp_arg(conn->pcb.tcp, conn); - /* don't restore recv callback: we don't want to receive any more data */ - } - /* If closing didn't succeed, we get called again either - from poll_tcp or from sent_tcp */ -} -#endif /* LWIP_TCP */ - -/** - * Delete the pcb inside a netconn. - * Called from netconn_delete. - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_delconn(struct api_msg_msg *msg) -{ - /* @todo TCP: abort running write/connect? */ - if ((msg->conn->state != NETCONN_NONE) && - (msg->conn->state != NETCONN_LISTEN) && - (msg->conn->state != NETCONN_CONNECT)) { - /* this only happens for TCP netconns */ - LWIP_ASSERT("msg->conn->type == NETCONN_TCP", msg->conn->type == NETCONN_TCP); - msg->err = ERR_INPROGRESS; - } else { - LWIP_ASSERT("blocking connect in progress", - (msg->conn->state != NETCONN_CONNECT) || IN_NONBLOCKING_CONNECT(msg->conn)); - /* Drain and delete mboxes */ - netconn_drain(msg->conn); - - if (msg->conn->pcb.tcp != NULL) { - - switch (NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - raw_remove(msg->conn->pcb.raw); - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - msg->conn->pcb.udp->recv_arg = NULL; - udp_remove(msg->conn->pcb.udp); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL && - msg->conn->write_offset == 0); - msg->conn->state = NETCONN_CLOSE; - msg->msg.sd.shut = NETCONN_SHUT_RDWR; - msg->conn->current_msg = msg; - do_close_internal(msg->conn); - /* API_EVENT is called inside do_close_internal, before releasing - the application thread, so we can return at this point! */ - return; -#endif /* LWIP_TCP */ - default: - break; - } - msg->conn->pcb.tcp = NULL; - } - /* tcp netconns don't come here! */ - - /* @todo: this lets select make the socket readable and writable, - which is wrong! errfd instead? */ - API_EVENT(msg->conn, NETCONN_EVT_RCVPLUS, 0); - API_EVENT(msg->conn, NETCONN_EVT_SENDPLUS, 0); - } - if (sys_sem_valid(&msg->conn->op_completed)) { - sys_sem_signal(&msg->conn->op_completed); - } -} - -/** - * Bind a pcb contained in a netconn - * Called from netconn_bind. - * - * @param msg the api_msg_msg pointing to the connection and containing - * the IP address and port to bind to - */ -void -do_bind(struct api_msg_msg *msg) -{ - if (ERR_IS_FATAL(msg->conn->last_err)) { - msg->err = msg->conn->last_err; - } else { - msg->err = ERR_VAL; - if (msg->conn->pcb.tcp != NULL) { - switch (NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - msg->err = raw_bind(msg->conn->pcb.raw, msg->msg.bc.ipaddr); - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - msg->err = udp_bind(msg->conn->pcb.udp, msg->msg.bc.ipaddr, msg->msg.bc.port); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - msg->err = tcp_bind(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, msg->msg.bc.port); - break; -#endif /* LWIP_TCP */ - default: - break; - } - } - } - TCPIP_APIMSG_ACK(msg); -} - -#if LWIP_TCP -/** - * TCP callback function if a connection (opened by tcp_connect/do_connect) has - * been established (or reset by the remote host). - * - * @see tcp.h (struct tcp_pcb.connected) for parameters and return values - */ -static err_t -do_connected(void *arg, struct tcp_pcb *pcb, err_t err) -{ - struct netconn *conn; - int was_blocking; - - LWIP_UNUSED_ARG(pcb); - - conn = (struct netconn *)arg; - - if (conn == NULL) { - return ERR_VAL; - } - - LWIP_ASSERT("conn->state == NETCONN_CONNECT", conn->state == NETCONN_CONNECT); - LWIP_ASSERT("(conn->current_msg != NULL) || conn->in_non_blocking_connect", - (conn->current_msg != NULL) || IN_NONBLOCKING_CONNECT(conn)); - - if (conn->current_msg != NULL) { - conn->current_msg->err = err; - } - if ((conn->type == NETCONN_TCP) && (err == ERR_OK)) { - setup_tcp(conn); - } - was_blocking = !IN_NONBLOCKING_CONNECT(conn); - SET_NONBLOCKING_CONNECT(conn, 0); - conn->current_msg = NULL; - conn->state = NETCONN_NONE; - if (!was_blocking) { - SYS_ARCH_DECL_PROTECT(lev); - SYS_ARCH_PROTECT(lev); - if (conn->last_err == ERR_INPROGRESS) { - conn->last_err = ERR_OK; - } - SYS_ARCH_UNPROTECT(lev); - } - API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0); - - if (was_blocking) { - sys_sem_signal(&conn->op_completed); - } - return ERR_OK; -} -#endif /* LWIP_TCP */ - -/** - * Connect a pcb contained inside a netconn - * Called from netconn_connect. - * - * @param msg the api_msg_msg pointing to the connection and containing - * the IP address and port to connect to - */ -void -do_connect(struct api_msg_msg *msg) -{ - if (msg->conn->pcb.tcp == NULL) { - /* This may happen when calling netconn_connect() a second time */ - msg->err = ERR_CLSD; - } else { - switch (NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - msg->err = raw_connect(msg->conn->pcb.raw, msg->msg.bc.ipaddr); - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - msg->err = udp_connect(msg->conn->pcb.udp, msg->msg.bc.ipaddr, msg->msg.bc.port); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - /* Prevent connect while doing any other action. */ - if (msg->conn->state != NETCONN_NONE) { - msg->err = ERR_ISCONN; - } else { - setup_tcp(msg->conn); - msg->err = tcp_connect(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, - msg->msg.bc.port, do_connected); - if (msg->err == ERR_OK) { - u8_t non_blocking = netconn_is_nonblocking(msg->conn); - msg->conn->state = NETCONN_CONNECT; - SET_NONBLOCKING_CONNECT(msg->conn, non_blocking); - if (non_blocking) { - msg->err = ERR_INPROGRESS; - } else { - msg->conn->current_msg = msg; - /* sys_sem_signal() is called from do_connected (or err_tcp()), - * when the connection is established! */ - return; - } - } - } - break; -#endif /* LWIP_TCP */ - default: - LWIP_ERROR("Invalid netconn type", 0, do{ msg->err = ERR_VAL; }while(0)); - break; - } - } - sys_sem_signal(&msg->conn->op_completed); -} - -/** - * Connect a pcb contained inside a netconn - * Only used for UDP netconns. - * Called from netconn_disconnect. - * - * @param msg the api_msg_msg pointing to the connection to disconnect - */ -void -do_disconnect(struct api_msg_msg *msg) -{ -#if LWIP_UDP - if (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) { - udp_disconnect(msg->conn->pcb.udp); - msg->err = ERR_OK; - } else -#endif /* LWIP_UDP */ - { - msg->err = ERR_VAL; - } - TCPIP_APIMSG_ACK(msg); -} - -#if LWIP_TCP -/** - * Set a TCP pcb contained in a netconn into listen mode - * Called from netconn_listen. - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_listen(struct api_msg_msg *msg) -{ - if (ERR_IS_FATAL(msg->conn->last_err)) { - msg->err = msg->conn->last_err; - } else { - msg->err = ERR_CONN; - if (msg->conn->pcb.tcp != NULL) { - if (msg->conn->type == NETCONN_TCP) { - if (msg->conn->state == NETCONN_NONE) { -#if TCP_LISTEN_BACKLOG - struct tcp_pcb* lpcb = tcp_listen_with_backlog(msg->conn->pcb.tcp, msg->msg.lb.backlog); -#else /* TCP_LISTEN_BACKLOG */ - struct tcp_pcb* lpcb = tcp_listen(msg->conn->pcb.tcp); -#endif /* TCP_LISTEN_BACKLOG */ - if (lpcb == NULL) { - /* in this case, the old pcb is still allocated */ - msg->err = ERR_MEM; - } else { - /* delete the recvmbox and allocate the acceptmbox */ - if (sys_mbox_valid(&msg->conn->recvmbox)) { - /** @todo: should we drain the recvmbox here? */ - sys_mbox_free(&msg->conn->recvmbox); - sys_mbox_set_invalid(&msg->conn->recvmbox); - } - msg->err = ERR_OK; - if (!sys_mbox_valid(&msg->conn->acceptmbox)) { - msg->err = sys_mbox_new(&msg->conn->acceptmbox, DEFAULT_ACCEPTMBOX_SIZE); - } - if (msg->err == ERR_OK) { - msg->conn->state = NETCONN_LISTEN; - msg->conn->pcb.tcp = lpcb; - tcp_arg(msg->conn->pcb.tcp, msg->conn); - tcp_accept(msg->conn->pcb.tcp, accept_function); - } else { - /* since the old pcb is already deallocated, free lpcb now */ - tcp_close(lpcb); - msg->conn->pcb.tcp = NULL; - } - } - } - } - } - } - TCPIP_APIMSG_ACK(msg); -} -#endif /* LWIP_TCP */ - -/** - * Send some data on a RAW or UDP pcb contained in a netconn - * Called from netconn_send - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_send(struct api_msg_msg *msg) -{ - if (ERR_IS_FATAL(msg->conn->last_err)) { - msg->err = msg->conn->last_err; - } else { - msg->err = ERR_CONN; - if (msg->conn->pcb.tcp != NULL) { - switch (NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - if (ip_addr_isany(&msg->msg.b->addr)) { - msg->err = raw_send(msg->conn->pcb.raw, msg->msg.b->p); - } else { - msg->err = raw_sendto(msg->conn->pcb.raw, msg->msg.b->p, &msg->msg.b->addr); - } - break; -#endif -#if LWIP_UDP - case NETCONN_UDP: -#if LWIP_CHECKSUM_ON_COPY - if (ip_addr_isany(&msg->msg.b->addr)) { - msg->err = udp_send_chksum(msg->conn->pcb.udp, msg->msg.b->p, - msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum); - } else { - msg->err = udp_sendto_chksum(msg->conn->pcb.udp, msg->msg.b->p, - &msg->msg.b->addr, msg->msg.b->port, - msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum); - } -#else /* LWIP_CHECKSUM_ON_COPY */ - if (ip_addr_isany(&msg->msg.b->addr)) { - msg->err = udp_send(msg->conn->pcb.udp, msg->msg.b->p); - } else { - msg->err = udp_sendto(msg->conn->pcb.udp, msg->msg.b->p, &msg->msg.b->addr, msg->msg.b->port); - } -#endif /* LWIP_CHECKSUM_ON_COPY */ - break; -#endif /* LWIP_UDP */ - default: - break; - } - } - } - TCPIP_APIMSG_ACK(msg); -} - -#if LWIP_TCP -/** - * Indicate data has been received from a TCP pcb contained in a netconn - * Called from netconn_recv - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_recv(struct api_msg_msg *msg) -{ - msg->err = ERR_OK; - if (msg->conn->pcb.tcp != NULL) { - if (msg->conn->type == NETCONN_TCP) { -#if TCP_LISTEN_BACKLOG - if (msg->conn->pcb.tcp->state == LISTEN) { - tcp_accepted(msg->conn->pcb.tcp); - } else -#endif /* TCP_LISTEN_BACKLOG */ - { - u32_t remaining = msg->msg.r.len; - do { - u16_t recved = (remaining > 0xffff) ? 0xffff : (u16_t)remaining; - tcp_recved(msg->conn->pcb.tcp, recved); - remaining -= recved; - }while(remaining != 0); - } - } - } - TCPIP_APIMSG_ACK(msg); -} - -/** - * See if more data needs to be written from a previous call to netconn_write. - * Called initially from do_write. If the first call can't send all data - * (because of low memory or empty send-buffer), this function is called again - * from sent_tcp() or poll_tcp() to send more data. If all data is sent, the - * blocking application thread (waiting in netconn_write) is released. - * - * @param conn netconn (that is currently in state NETCONN_WRITE) to process - * @return ERR_OK - * ERR_MEM if LWIP_TCPIP_CORE_LOCKING=1 and sending hasn't yet finished - */ -static err_t -do_writemore(struct netconn *conn) -{ - err_t err = ERR_OK; - void *dataptr; - u16_t len, available; - u8_t write_finished = 0; - size_t diff; - u8_t dontblock = netconn_is_nonblocking(conn) || - (conn->current_msg->msg.w.apiflags & NETCONN_DONTBLOCK); - u8_t apiflags = conn->current_msg->msg.w.apiflags; - - LWIP_ASSERT("conn != NULL", conn != NULL); - LWIP_ASSERT("conn->state == NETCONN_WRITE", (conn->state == NETCONN_WRITE)); - LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL); - LWIP_ASSERT("conn->pcb.tcp != NULL", conn->pcb.tcp != NULL); - LWIP_ASSERT("conn->write_offset < conn->current_msg->msg.w.len", - conn->write_offset < conn->current_msg->msg.w.len); - - dataptr = (u8_t*)conn->current_msg->msg.w.dataptr + conn->write_offset; - diff = conn->current_msg->msg.w.len - conn->write_offset; - if (diff > 0xffffUL) { /* max_u16_t */ - len = 0xffff; -#if LWIP_TCPIP_CORE_LOCKING - conn->flags |= NETCONN_FLAG_WRITE_DELAYED; -#endif - apiflags |= TCP_WRITE_FLAG_MORE; - } else { - len = (u16_t)diff; - } - available = tcp_sndbuf(conn->pcb.tcp); - if (available < len) { - /* don't try to write more than sendbuf */ - len = available; -#if LWIP_TCPIP_CORE_LOCKING - conn->flags |= NETCONN_FLAG_WRITE_DELAYED; -#endif - apiflags |= TCP_WRITE_FLAG_MORE; - } - if (dontblock && (len < conn->current_msg->msg.w.len)) { - /* failed to send all data at once -> nonblocking write not possible */ - err = ERR_MEM; - } - if (err == ERR_OK) { - LWIP_ASSERT("do_writemore: invalid length!", ((conn->write_offset + len) <= conn->current_msg->msg.w.len)); - err = tcp_write(conn->pcb.tcp, dataptr, len, apiflags); - } - if (dontblock && (err == ERR_MEM)) { - /* nonblocking write failed */ - write_finished = 1; - err = ERR_WOULDBLOCK; - /* let poll_tcp check writable space to mark the pcb - writable again */ - conn->flags |= NETCONN_FLAG_CHECK_WRITESPACE; - /* let select mark this pcb as non-writable. */ - API_EVENT(conn, NETCONN_EVT_SENDMINUS, len); - } else { - /* if OK or memory error, check available space */ - if (((err == ERR_OK) || (err == ERR_MEM)) && - ((tcp_sndbuf(conn->pcb.tcp) <= TCP_SNDLOWAT) || - (tcp_sndqueuelen(conn->pcb.tcp) >= TCP_SNDQUEUELOWAT))) { - /* The queued byte- or pbuf-count exceeds the configured low-water limit, - let select mark this pcb as non-writable. */ - API_EVENT(conn, NETCONN_EVT_SENDMINUS, len); - } - - if (err == ERR_OK) { - conn->write_offset += len; - if (conn->write_offset == conn->current_msg->msg.w.len) { - /* everything was written */ - write_finished = 1; - conn->write_offset = 0; - } - tcp_output(conn->pcb.tcp); - } else if (err == ERR_MEM) { - /* If ERR_MEM, we wait for sent_tcp or poll_tcp to be called - we do NOT return to the application thread, since ERR_MEM is - only a temporary error! */ - - /* tcp_write returned ERR_MEM, try tcp_output anyway */ - tcp_output(conn->pcb.tcp); - - #if LWIP_TCPIP_CORE_LOCKING - conn->flags |= NETCONN_FLAG_WRITE_DELAYED; - #endif - } else { - /* On errors != ERR_MEM, we don't try writing any more but return - the error to the application thread. */ - write_finished = 1; - } - } - - if (write_finished) { - /* everything was written: set back connection state - and back to application task */ - conn->current_msg->err = err; - conn->current_msg = NULL; - conn->state = NETCONN_NONE; -#if LWIP_TCPIP_CORE_LOCKING - if ((conn->flags & NETCONN_FLAG_WRITE_DELAYED) != 0) -#endif - { - sys_sem_signal(&conn->op_completed); - } - } -#if LWIP_TCPIP_CORE_LOCKING - else - return ERR_MEM; -#endif - return ERR_OK; -} -#endif /* LWIP_TCP */ - -/** - * Send some data on a TCP pcb contained in a netconn - * Called from netconn_write - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_write(struct api_msg_msg *msg) -{ - if (ERR_IS_FATAL(msg->conn->last_err)) { - msg->err = msg->conn->last_err; - } else { - if (msg->conn->type == NETCONN_TCP) { -#if LWIP_TCP - if (msg->conn->state != NETCONN_NONE) { - /* netconn is connecting, closing or in blocking write */ - msg->err = ERR_INPROGRESS; - } else if (msg->conn->pcb.tcp != NULL) { - msg->conn->state = NETCONN_WRITE; - /* set all the variables used by do_writemore */ - LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL && - msg->conn->write_offset == 0); - LWIP_ASSERT("msg->msg.w.len != 0", msg->msg.w.len != 0); - msg->conn->current_msg = msg; - msg->conn->write_offset = 0; -#if LWIP_TCPIP_CORE_LOCKING - msg->conn->flags &= ~NETCONN_FLAG_WRITE_DELAYED; - if (do_writemore(msg->conn) != ERR_OK) { - LWIP_ASSERT("state!", msg->conn->state == NETCONN_WRITE); - UNLOCK_TCPIP_CORE(); - sys_arch_sem_wait(&msg->conn->op_completed, 0); - LOCK_TCPIP_CORE(); - LWIP_ASSERT("state!", msg->conn->state == NETCONN_NONE); - } -#else /* LWIP_TCPIP_CORE_LOCKING */ - do_writemore(msg->conn); -#endif /* LWIP_TCPIP_CORE_LOCKING */ - /* for both cases: if do_writemore was called, don't ACK the APIMSG - since do_writemore ACKs it! */ - return; - } else { - msg->err = ERR_CONN; - } -#else /* LWIP_TCP */ - msg->err = ERR_VAL; -#endif /* LWIP_TCP */ -#if (LWIP_UDP || LWIP_RAW) - } else { - msg->err = ERR_VAL; -#endif /* (LWIP_UDP || LWIP_RAW) */ - } - } - TCPIP_APIMSG_ACK(msg); -} - -/** - * Return a connection's local or remote address - * Called from netconn_getaddr - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_getaddr(struct api_msg_msg *msg) -{ - if (msg->conn->pcb.ip != NULL) { - *(msg->msg.ad.ipaddr) = (msg->msg.ad.local ? msg->conn->pcb.ip->local_ip : - msg->conn->pcb.ip->remote_ip); - - msg->err = ERR_OK; - switch (NETCONNTYPE_GROUP(msg->conn->type)) { -#if LWIP_RAW - case NETCONN_RAW: - if (msg->msg.ad.local) { - *(msg->msg.ad.port) = msg->conn->pcb.raw->protocol; - } else { - /* return an error as connecting is only a helper for upper layers */ - msg->err = ERR_CONN; - } - break; -#endif /* LWIP_RAW */ -#if LWIP_UDP - case NETCONN_UDP: - if (msg->msg.ad.local) { - *(msg->msg.ad.port) = msg->conn->pcb.udp->local_port; - } else { - if ((msg->conn->pcb.udp->flags & UDP_FLAGS_CONNECTED) == 0) { - msg->err = ERR_CONN; - } else { - *(msg->msg.ad.port) = msg->conn->pcb.udp->remote_port; - } - } - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case NETCONN_TCP: - *(msg->msg.ad.port) = (msg->msg.ad.local?msg->conn->pcb.tcp->local_port:msg->conn->pcb.tcp->remote_port); - break; -#endif /* LWIP_TCP */ - default: - LWIP_ASSERT("invalid netconn_type", 0); - break; - } - } else { - msg->err = ERR_CONN; - } - TCPIP_APIMSG_ACK(msg); -} - -/** - * Close a TCP pcb contained in a netconn - * Called from netconn_close - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_close(struct api_msg_msg *msg) -{ -#if LWIP_TCP - /* @todo: abort running write/connect? */ - if ((msg->conn->state != NETCONN_NONE) && (msg->conn->state != NETCONN_LISTEN)) { - /* this only happens for TCP netconns */ - LWIP_ASSERT("msg->conn->type == NETCONN_TCP", msg->conn->type == NETCONN_TCP); - msg->err = ERR_INPROGRESS; - } else if ((msg->conn->pcb.tcp != NULL) && (msg->conn->type == NETCONN_TCP)) { - if ((msg->msg.sd.shut != NETCONN_SHUT_RDWR) && (msg->conn->state == NETCONN_LISTEN)) { - /* LISTEN doesn't support half shutdown */ - msg->err = ERR_CONN; - } else { - if (msg->msg.sd.shut & NETCONN_SHUT_RD) { - /* Drain and delete mboxes */ - netconn_drain(msg->conn); - } - LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL && - msg->conn->write_offset == 0); - msg->conn->state = NETCONN_CLOSE; - msg->conn->current_msg = msg; - do_close_internal(msg->conn); - /* for tcp netconns, do_close_internal ACKs the message */ - return; - } - } else -#endif /* LWIP_TCP */ - { - msg->err = ERR_VAL; - } - sys_sem_signal(&msg->conn->op_completed); -} - -#if LWIP_IGMP -/** - * Join multicast groups for UDP netconns. - * Called from netconn_join_leave_group - * - * @param msg the api_msg_msg pointing to the connection - */ -void -do_join_leave_group(struct api_msg_msg *msg) -{ - if (ERR_IS_FATAL(msg->conn->last_err)) { - msg->err = msg->conn->last_err; - } else { - if (msg->conn->pcb.tcp != NULL) { - if (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) { -#if LWIP_UDP - if (msg->msg.jl.join_or_leave == NETCONN_JOIN) { - msg->err = igmp_joingroup(msg->msg.jl.netif_addr, msg->msg.jl.multiaddr); - } else { - msg->err = igmp_leavegroup(msg->msg.jl.netif_addr, msg->msg.jl.multiaddr); - } -#endif /* LWIP_UDP */ -#if (LWIP_TCP || LWIP_RAW) - } else { - msg->err = ERR_VAL; -#endif /* (LWIP_TCP || LWIP_RAW) */ - } - } else { - msg->err = ERR_CONN; - } - } - TCPIP_APIMSG_ACK(msg); -} -#endif /* LWIP_IGMP */ - -#if LWIP_DNS -/** - * Callback function that is called when DNS name is resolved - * (or on timeout). A waiting application thread is waked up by - * signaling the semaphore. - */ -static void -do_dns_found(const char *name, ip_addr_t *ipaddr, void *arg) -{ - struct dns_api_msg *msg = (struct dns_api_msg*)arg; - - LWIP_ASSERT("DNS response for wrong host name", strcmp(msg->name, name) == 0); - LWIP_UNUSED_ARG(name); - - if (ipaddr == NULL) { - /* timeout or memory error */ - *msg->err = ERR_VAL; - } else { - /* address was resolved */ - *msg->err = ERR_OK; - *msg->addr = *ipaddr; - } - /* wake up the application task waiting in netconn_gethostbyname */ - sys_sem_signal(msg->sem); -} - -/** - * Execute a DNS query - * Called from netconn_gethostbyname - * - * @param arg the dns_api_msg pointing to the query - */ -void -do_gethostbyname(void *arg) -{ - struct dns_api_msg *msg = (struct dns_api_msg*)arg; - - *msg->err = dns_gethostbyname(msg->name, msg->addr, do_dns_found, msg); - if (*msg->err != ERR_INPROGRESS) { - /* on error or immediate success, wake up the application - * task waiting in netconn_gethostbyname */ - sys_sem_signal(msg->sem); - } -} -#endif /* LWIP_DNS */ - -#endif /* LWIP_NETCONN */ diff --git a/tools/sdk/lwip/src/api/err.c b/tools/sdk/lwip/src/api/err.c deleted file mode 100644 index b0a4eb3e15..0000000000 --- a/tools/sdk/lwip/src/api/err.c +++ /dev/null @@ -1,75 +0,0 @@ -/** - * @file - * Error Management module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/err.h" - -#ifdef LWIP_DEBUG - -static const char *err_strerr[] = { - "Ok.", /* ERR_OK 0 */ - "Out of memory error.", /* ERR_MEM -1 */ - "Buffer error.", /* ERR_BUF -2 */ - "Timeout.", /* ERR_TIMEOUT -3 */ - "Routing problem.", /* ERR_RTE -4 */ - "Operation in progress.", /* ERR_INPROGRESS -5 */ - "Illegal value.", /* ERR_VAL -6 */ - "Operation would block.", /* ERR_WOULDBLOCK -7 */ - "Connection aborted.", /* ERR_ABRT -8 */ - "Connection reset.", /* ERR_RST -9 */ - "Connection closed.", /* ERR_CLSD -10 */ - "Not connected.", /* ERR_CONN -11 */ - "Illegal argument.", /* ERR_ARG -12 */ - "Address in use.", /* ERR_USE -13 */ - "Low-level netif error.", /* ERR_IF -14 */ - "Already connected.", /* ERR_ISCONN -15 */ -}; - -/** - * Convert an lwip internal error to a string representation. - * - * @param err an lwip internal err_t - * @return a string representation for err - */ -const char * -lwip_strerr(err_t err) -{ - return err_strerr[-err]; - -} - -#endif /* LWIP_DEBUG */ diff --git a/tools/sdk/lwip/src/api/netbuf.c b/tools/sdk/lwip/src/api/netbuf.c deleted file mode 100644 index 886f66b059..0000000000 --- a/tools/sdk/lwip/src/api/netbuf.c +++ /dev/null @@ -1,245 +0,0 @@ -/** - * @file - * Network buffer management - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netbuf.h" -#include "lwip/memp.h" - -#include - -/** - * Create (allocate) and initialize a new netbuf. - * The netbuf doesn't yet contain a packet buffer! - * ÉêÇëÒ»¸öеÄnetbuf¿Õ¼ä£¬µ«²»·ÖÅäÈκÎÊý¾Ý¿Õ¼ä - * @return a pointer to a new netbuf - * NULL on lack of memory - */ -struct -netbuf *netbuf_new(void) -{ - struct netbuf *buf; - - buf = (struct netbuf *)memp_malloc(MEMP_NETBUF); - if (buf != NULL) { - buf->p = NULL; - buf->ptr = NULL; - ip_addr_set_any(&buf->addr); - buf->port = 0; -#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY -#if LWIP_CHECKSUM_ON_COPY - buf->flags = 0; -#endif /* LWIP_CHECKSUM_ON_COPY */ - buf->toport_chksum = 0; -#if LWIP_NETBUF_RECVINFO - ip_addr_set_any(&buf->toaddr); -#endif /* LWIP_NETBUF_RECVINFO */ -#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */ - return buf; - } else { - return NULL; - } -} - -/** - * Deallocate a netbuf allocated by netbuf_new(). - * ÊÍ·ÅÒ»¸önetbuf¿Õ¼ä - * @param buf pointer to a netbuf allocated by netbuf_new() - */ -void -netbuf_delete(struct netbuf *buf) -{ - if (buf != NULL) { - if (buf->p != NULL) { - pbuf_free(buf->p); - buf->p = buf->ptr = NULL; - } - memp_free(MEMP_NETBUF, buf); - } -} - -/** - * Allocate memory for a packet buffer for a given netbuf. - *Ϊnetbuf½á¹¹·ÖÅäsize´óСµÄÊý¾Ý¿Õ¼ä - * @param buf the netbuf for which to allocate a packet buffer - * @param size the size of the packet buffer to allocate - * @return pointer to the allocated memory - * NULL if no memory could be allocated - */ -void * -netbuf_alloc(struct netbuf *buf, u16_t size) -{ - LWIP_ERROR("netbuf_alloc: invalid buf", (buf != NULL), return NULL;); - - /* Deallocate any previously allocated memory. */ - if (buf->p != NULL) { - pbuf_free(buf->p); - } - buf->p = pbuf_alloc(PBUF_TRANSPORT, size, PBUF_RAM); - if (buf->p == NULL) { - return NULL; - } - LWIP_ASSERT("check that first pbuf can hold size", - (buf->p->len >= size)); - buf->ptr = buf->p; - return buf->p->payload; -} - -/** - * Free the packet buffer included in a netbuf - *ÊÍ·Ånetbuf½á¹¹Ö¸ÏòµÄÊý¾Ýpbuf - * @param buf pointer to the netbuf which contains the packet buffer to free - */ -void -netbuf_free(struct netbuf *buf) -{ - LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;); - if (buf->p != NULL) { - pbuf_free(buf->p); - } - buf->p = buf->ptr = NULL; -} - -/** - * Let a netbuf reference existing (non-volatile) data. - * - * @param buf netbuf which should reference the data - * @param dataptr pointer to the data to reference - * @param size size of the data - * @return ERR_OK if data is referenced - * ERR_MEM if data couldn't be referenced due to lack of memory - */ -err_t -netbuf_ref(struct netbuf *buf, const void *dataptr, u16_t size) -{ - LWIP_ERROR("netbuf_ref: invalid buf", (buf != NULL), return ERR_ARG;); - if (buf->p != NULL) { - pbuf_free(buf->p); - } - buf->p = pbuf_alloc(PBUF_TRANSPORT, 0, PBUF_REF); - if (buf->p == NULL) { - buf->ptr = NULL; - return ERR_MEM; - } - buf->p->payload = (void*)dataptr; - buf->p->len = buf->p->tot_len = size; - buf->ptr = buf->p; - return ERR_OK; -} - -/** - * Chain one netbuf to another (@see pbuf_chain) - * - * @param head the first netbuf - * @param tail netbuf to chain after head, freed by this function, may not be reference after returning - */ -void -netbuf_chain(struct netbuf *head, struct netbuf *tail) -{ - LWIP_ERROR("netbuf_ref: invalid head", (head != NULL), return;); - LWIP_ERROR("netbuf_chain: invalid tail", (tail != NULL), return;); - pbuf_cat(head->p, tail->p); - head->ptr = head->p; - memp_free(MEMP_NETBUF, tail); -} - -/** - * Get the data pointer and length of the data inside a netbuf. - * - * @param buf netbuf to get the data from - * @param dataptr pointer to a void pointer where to store the data pointer - * @param len pointer to an u16_t where the length of the data is stored - * @return ERR_OK if the information was retreived, - * ERR_BUF on error. - */ -err_t -netbuf_data(struct netbuf *buf, void **dataptr, u16_t *len) -{ - LWIP_ERROR("netbuf_data: invalid buf", (buf != NULL), return ERR_ARG;); - LWIP_ERROR("netbuf_data: invalid dataptr", (dataptr != NULL), return ERR_ARG;); - LWIP_ERROR("netbuf_data: invalid len", (len != NULL), return ERR_ARG;); - - if (buf->ptr == NULL) { - return ERR_BUF; - } - *dataptr = buf->ptr->payload; - *len = buf->ptr->len; - return ERR_OK; -} - -/** - * Move the current data pointer of a packet buffer contained in a netbuf - * to the next part. - * The packet buffer itself is not modified. - * - * @param buf the netbuf to modify - * @return -1 if there is no next part - * 1 if moved to the next part but now there is no next part - * 0 if moved to the next part and there are still more parts - */ -s8_t -netbuf_next(struct netbuf *buf) -{ - LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return -1;); - if (buf->ptr->next == NULL) { - return -1; - } - buf->ptr = buf->ptr->next; - if (buf->ptr->next == NULL) { - return 1; - } - return 0; -} - -/** - * Move the current data pointer of a packet buffer contained in a netbuf - * to the beginning of the packet. - * The packet buffer itself is not modified. - * - * @param buf the netbuf to modify - */ -void -netbuf_first(struct netbuf *buf) -{ - LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;); - buf->ptr = buf->p; -} - -#endif /* LWIP_NETCONN */ diff --git a/tools/sdk/lwip/src/api/netdb.c b/tools/sdk/lwip/src/api/netdb.c deleted file mode 100644 index a7e4e06bca..0000000000 --- a/tools/sdk/lwip/src/api/netdb.c +++ /dev/null @@ -1,352 +0,0 @@ -/** - * @file - * API functions for name resolving - * - */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Simon Goldschmidt - * - */ - -#include "lwip/netdb.h" - -#if LWIP_DNS && LWIP_SOCKET - -#include "lwip/err.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/ip_addr.h" -#include "lwip/api.h" -#include "lwip/dns.h" - -#include -#include - -/** helper struct for gethostbyname_r to access the char* buffer */ -struct gethostbyname_r_helper { - ip_addr_t *addrs; - ip_addr_t addr; - char *aliases; -}; - -/** h_errno is exported in netdb.h for access by applications. */ -#if LWIP_DNS_API_DECLARE_H_ERRNO -int h_errno; -#endif /* LWIP_DNS_API_DECLARE_H_ERRNO */ - -/** define "hostent" variables storage: 0 if we use a static (but unprotected) - * set of variables for lwip_gethostbyname, 1 if we use a local storage */ -#ifndef LWIP_DNS_API_HOSTENT_STORAGE -#define LWIP_DNS_API_HOSTENT_STORAGE 0 -#endif - -/** define "hostent" variables storage */ -#if LWIP_DNS_API_HOSTENT_STORAGE -#define HOSTENT_STORAGE -#else -#define HOSTENT_STORAGE static -#endif /* LWIP_DNS_API_STATIC_HOSTENT */ - -/** - * Returns an entry containing addresses of address family AF_INET - * for the host with name name. - * Due to dns_gethostbyname limitations, only one address is returned. - * - * @param name the hostname to resolve - * @return an entry containing addresses of address family AF_INET - * for the host with name name - */ -struct hostent* -lwip_gethostbyname(const char *name) -{ - err_t err; - ip_addr_t addr; - - /* buffer variables for lwip_gethostbyname() */ - HOSTENT_STORAGE struct hostent s_hostent; - HOSTENT_STORAGE char *s_aliases; - HOSTENT_STORAGE ip_addr_t s_hostent_addr; - HOSTENT_STORAGE ip_addr_t *s_phostent_addr[2]; - - /* query host IP address */ - err = netconn_gethostbyname(name, &addr); - if (err != ERR_OK) { - LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err)); - h_errno = HOST_NOT_FOUND; - return NULL; - } - - /* fill hostent */ - s_hostent_addr = addr; - s_phostent_addr[0] = &s_hostent_addr; - s_phostent_addr[1] = NULL; - s_hostent.h_name = (char*)name; - s_hostent.h_aliases = &s_aliases; - s_hostent.h_addrtype = AF_INET; - s_hostent.h_length = sizeof(ip_addr_t); - s_hostent.h_addr_list = (char**)&s_phostent_addr; - -#if DNS_DEBUG - /* dump hostent */ - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_name == %s\n", s_hostent.h_name)); - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases == %p\n", s_hostent.h_aliases)); - if (s_hostent.h_aliases != NULL) { - u8_t idx; - for ( idx=0; s_hostent.h_aliases[idx]; idx++) { - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]-> == %p\n", idx, s_hostent.h_aliases[idx])); - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]-> == %s\n", idx, s_hostent.h_aliases[idx])); - } - } - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addrtype == %d\n", s_hostent.h_addrtype)); - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_length == %d\n", s_hostent.h_length)); - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list == %p\n", s_hostent.h_addr_list)); - if (s_hostent.h_addr_list != NULL) { - u8_t idx; - for ( idx=0; s_hostent.h_addr_list[idx]; idx++) { - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i] == %p\n", idx, s_hostent.h_addr_list[idx])); - LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i]-> == %s\n", idx, ip_ntoa((ip_addr_t*)s_hostent.h_addr_list[idx]))); - } - } -#endif /* DNS_DEBUG */ - -#if LWIP_DNS_API_HOSTENT_STORAGE - /* this function should return the "per-thread" hostent after copy from s_hostent */ - return sys_thread_hostent(&s_hostent); -#else - return &s_hostent; -#endif /* LWIP_DNS_API_HOSTENT_STORAGE */ -} - -/** - * Thread-safe variant of lwip_gethostbyname: instead of using a static - * buffer, this function takes buffer and errno pointers as arguments - * and uses these for the result. - * - * @param name the hostname to resolve - * @param ret pre-allocated struct where to store the result - * @param buf pre-allocated buffer where to store additional data - * @param buflen the size of buf - * @param result pointer to a hostent pointer that is set to ret on success - * and set to zero on error - * @param h_errnop pointer to an int where to store errors (instead of modifying - * the global h_errno) - * @return 0 on success, non-zero on error, additional error information - * is stored in *h_errnop instead of h_errno to be thread-safe - */ -int -lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf, - size_t buflen, struct hostent **result, int *h_errnop) -{ - err_t err; - struct gethostbyname_r_helper *h; - char *hostname; - size_t namelen; - int lh_errno; - - if (h_errnop == NULL) { - /* ensure h_errnop is never NULL */ - h_errnop = &lh_errno; - } - - if (result == NULL) { - /* not all arguments given */ - *h_errnop = EINVAL; - return -1; - } - /* first thing to do: set *result to nothing */ - *result = NULL; - if ((name == NULL) || (ret == NULL) || (buf == 0)) { - /* not all arguments given */ - *h_errnop = EINVAL; - return -1; - } - - namelen = strlen(name); - if (buflen < (sizeof(struct gethostbyname_r_helper) + namelen + 1 + (MEM_ALIGNMENT - 1))) { - /* buf can't hold the data needed + a copy of name */ - *h_errnop = ERANGE; - return -1; - } - - h = (struct gethostbyname_r_helper*)LWIP_MEM_ALIGN(buf); - hostname = ((char*)h) + sizeof(struct gethostbyname_r_helper); - - /* query host IP address */ - err = netconn_gethostbyname(name, &(h->addr)); - if (err != ERR_OK) { - LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err)); - *h_errnop = ENSRNOTFOUND; - return -1; - } - - /* copy the hostname into buf */ - MEMCPY(hostname, name, namelen); - hostname[namelen] = 0; - - /* fill hostent */ - h->addrs = &(h->addr); - h->aliases = NULL; - ret->h_name = (char*)hostname; - ret->h_aliases = &(h->aliases); - ret->h_addrtype = AF_INET; - ret->h_length = sizeof(ip_addr_t); - ret->h_addr_list = (char**)&(h->addrs); - - /* set result != NULL */ - *result = ret; - - /* return success */ - return 0; -} - -/** - * Frees one or more addrinfo structures returned by getaddrinfo(), along with - * any additional storage associated with those structures. If the ai_next field - * of the structure is not null, the entire list of structures is freed. - * - * @param ai struct addrinfo to free - */ -void -lwip_freeaddrinfo(struct addrinfo *ai) -{ - struct addrinfo *next; - - while (ai != NULL) { - next = ai->ai_next; - memp_free(MEMP_NETDB, ai); - ai = next; - } -} - -/** - * Translates the name of a service location (for example, a host name) and/or - * a service name and returns a set of socket addresses and associated - * information to be used in creating a socket with which to address the - * specified service. - * Memory for the result is allocated internally and must be freed by calling - * lwip_freeaddrinfo()! - * - * Due to a limitation in dns_gethostbyname, only the first address of a - * host is returned. - * Also, service names are not supported (only port numbers)! - * - * @param nodename descriptive name or address string of the host - * (may be NULL -> local address) - * @param servname port number as string of NULL - * @param hints structure containing input values that set socktype and protocol - * @param res pointer to a pointer where to store the result (set to NULL on failure) - * @return 0 on success, non-zero on failure - */ -int -lwip_getaddrinfo(const char *nodename, const char *servname, - const struct addrinfo *hints, struct addrinfo **res) -{ - err_t err; - ip_addr_t addr; - struct addrinfo *ai; - struct sockaddr_in *sa = NULL; - int port_nr = 0; - size_t total_size; - size_t namelen = 0; - - if (res == NULL) { - return EAI_FAIL; - } - *res = NULL; - if ((nodename == NULL) && (servname == NULL)) { - return EAI_NONAME; - } - - if (servname != NULL) { - /* service name specified: convert to port number - * @todo?: currently, only ASCII integers (port numbers) are supported! */ - port_nr = atoi(servname); - if ((port_nr <= 0) || (port_nr > 0xffff)) { - return EAI_SERVICE; - } - } - - if (nodename != NULL) { - /* service location specified, try to resolve */ - err = netconn_gethostbyname(nodename, &addr); - if (err != ERR_OK) { - return EAI_FAIL; - } - } else { - /* service location specified, use loopback address */ - ip_addr_set_loopback(&addr); - } - - total_size = sizeof(struct addrinfo) + sizeof(struct sockaddr_in); - if (nodename != NULL) { - namelen = strlen(nodename); - LWIP_ASSERT("namelen is too long", (namelen + 1) <= (mem_size_t)-1); - total_size += namelen + 1; - } - /* If this fails, please report to lwip-devel! :-) */ - LWIP_ASSERT("total_size <= NETDB_ELEM_SIZE: please report this!", - total_size <= NETDB_ELEM_SIZE); - ai = (struct addrinfo *)memp_malloc(MEMP_NETDB); - if (ai == NULL) { - goto memerr; - } - memset(ai, 0, total_size); - sa = (struct sockaddr_in*)((u8_t*)ai + sizeof(struct addrinfo)); - /* set up sockaddr */ - inet_addr_from_ipaddr(&sa->sin_addr, &addr); - sa->sin_family = AF_INET; - sa->sin_len = sizeof(struct sockaddr_in); - sa->sin_port = htons((u16_t)port_nr); - - /* set up addrinfo */ - ai->ai_family = AF_INET; - if (hints != NULL) { - /* copy socktype & protocol from hints if specified */ - ai->ai_socktype = hints->ai_socktype; - ai->ai_protocol = hints->ai_protocol; - } - if (nodename != NULL) { - /* copy nodename to canonname if specified */ - ai->ai_canonname = ((char*)ai + sizeof(struct addrinfo) + sizeof(struct sockaddr_in)); - MEMCPY(ai->ai_canonname, nodename, namelen); - ai->ai_canonname[namelen] = 0; - } - ai->ai_addrlen = sizeof(struct sockaddr_in); - ai->ai_addr = (struct sockaddr*)sa; - - *res = ai; - - return 0; -memerr: - if (ai != NULL) { - memp_free(MEMP_NETDB, ai); - } - return EAI_MEMORY; -} - -#endif /* LWIP_DNS && LWIP_SOCKET */ diff --git a/tools/sdk/lwip/src/api/netifapi.c b/tools/sdk/lwip/src/api/netifapi.c deleted file mode 100644 index 43e47203a9..0000000000 --- a/tools/sdk/lwip/src/api/netifapi.c +++ /dev/null @@ -1,160 +0,0 @@ -/** - * @file - * Network Interface Sequential API module - * - */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -#include "lwip/opt.h" - -#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netifapi.h" -#include "lwip/tcpip.h" - -/** - * Call netif_add() inside the tcpip_thread context. - */ -void -do_netifapi_netif_add(struct netifapi_msg_msg *msg) -{ - if (!netif_add( msg->netif, - msg->msg.add.ipaddr, - msg->msg.add.netmask, - msg->msg.add.gw, - msg->msg.add.state, - msg->msg.add.init, - msg->msg.add.input)) { - msg->err = ERR_IF; - } else { - msg->err = ERR_OK; - } - TCPIP_NETIFAPI_ACK(msg); -} - -/** - * Call netif_set_addr() inside the tcpip_thread context. - */ -void -do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg) -{ - netif_set_addr( msg->netif, - msg->msg.add.ipaddr, - msg->msg.add.netmask, - msg->msg.add.gw); - msg->err = ERR_OK; - TCPIP_NETIFAPI_ACK(msg); -} - -/** - * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the - * tcpip_thread context. - */ -void -do_netifapi_netif_common(struct netifapi_msg_msg *msg) -{ - if (msg->msg.common.errtfunc != NULL) { - msg->err = msg->msg.common.errtfunc(msg->netif); - } else { - msg->err = ERR_OK; - msg->msg.common.voidfunc(msg->netif); - } - TCPIP_NETIFAPI_ACK(msg); -} - -/** - * Call netif_add() in a thread-safe way by running that function inside the - * tcpip_thread context. - * - * @note for params @see netif_add() - */ -err_t -netifapi_netif_add(struct netif *netif, - ip_addr_t *ipaddr, - ip_addr_t *netmask, - ip_addr_t *gw, - void *state, - netif_init_fn init, - netif_input_fn input) -{ - struct netifapi_msg msg; - msg.function = do_netifapi_netif_add; - msg.msg.netif = netif; - msg.msg.msg.add.ipaddr = ipaddr; - msg.msg.msg.add.netmask = netmask; - msg.msg.msg.add.gw = gw; - msg.msg.msg.add.state = state; - msg.msg.msg.add.init = init; - msg.msg.msg.add.input = input; - TCPIP_NETIFAPI(&msg); - return msg.msg.err; -} - -/** - * Call netif_set_addr() in a thread-safe way by running that function inside the - * tcpip_thread context. - * - * @note for params @see netif_set_addr() - */ -err_t -netifapi_netif_set_addr(struct netif *netif, - ip_addr_t *ipaddr, - ip_addr_t *netmask, - ip_addr_t *gw) -{ - struct netifapi_msg msg; - msg.function = do_netifapi_netif_set_addr; - msg.msg.netif = netif; - msg.msg.msg.add.ipaddr = ipaddr; - msg.msg.msg.add.netmask = netmask; - msg.msg.msg.add.gw = gw; - TCPIP_NETIFAPI(&msg); - return msg.msg.err; -} - -/** - * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe - * way by running that function inside the tcpip_thread context. - * - * @note use only for functions where there is only "netif" parameter. - */ -err_t -netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc, - netifapi_errt_fn errtfunc) -{ - struct netifapi_msg msg; - msg.function = do_netifapi_netif_common; - msg.msg.netif = netif; - msg.msg.msg.common.voidfunc = voidfunc; - msg.msg.msg.common.errtfunc = errtfunc; - TCPIP_NETIFAPI(&msg); - return msg.msg.err; -} - -#endif /* LWIP_NETIF_API */ diff --git a/tools/sdk/lwip/src/api/sockets.c b/tools/sdk/lwip/src/api/sockets.c deleted file mode 100644 index f3afd63067..0000000000 --- a/tools/sdk/lwip/src/api/sockets.c +++ /dev/null @@ -1,2343 +0,0 @@ -/** - * @file - * Sockets BSD-Like API module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - * Improved by Marc Boucher and David Haas - * - */ - -#include "lwip/opt.h" - -#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sockets.h" -#include "lwip/api.h" -#include "lwip/sys.h" -#include "lwip/igmp.h" -#include "lwip/inet.h" -#include "lwip/tcp.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcpip.h" -#include "lwip/pbuf.h" -#if LWIP_CHECKSUM_ON_COPY -#include "lwip/inet_chksum.h" -#endif - -#include - -#define NUM_SOCKETS MEMP_NUM_NETCONN - -/** Contains all internal pointers and states used for a socket */ -struct lwip_sock { - /** sockets currently are built on netconns, each socket has one netconn */ - struct netconn *conn; - /** data that was left from the previous read */ - void *lastdata; - /** offset in the data that was left from the previous read */ - u16_t lastoffset; - /** number of times data was received, set by event_callback(), - tested by the receive and select functions */ - s16_t rcvevent; - /** number of times data was ACKed (free send buffer), set by event_callback(), - tested by select */ - u16_t sendevent; - /** error happened for this socket, set by event_callback(), tested by select */ - u16_t errevent; - /** last error that occurred on this socket */ - int err; - /** counter of how many threads are waiting for this socket using select */ - int select_waiting; -}; - -/** Description for a task waiting in select */ -struct lwip_select_cb { - /** Pointer to the next waiting task */ - struct lwip_select_cb *next; - /** Pointer to the previous waiting task */ - struct lwip_select_cb *prev; - /** readset passed to select */ - fd_set *readset; - /** writeset passed to select */ - fd_set *writeset; - /** unimplemented: exceptset passed to select */ - fd_set *exceptset; - /** don't signal the same semaphore twice: set to 1 when signalled */ - int sem_signalled; - /** semaphore to wake up a task waiting for select */ - sys_sem_t sem; -}; - -/** This struct is used to pass data to the set/getsockopt_internal - * functions running in tcpip_thread context (only a void* is allowed) */ -struct lwip_setgetsockopt_data { - /** socket struct for which to change options */ - struct lwip_sock *sock; -#ifdef LWIP_DEBUG - /** socket index for which to change options */ - int s; -#endif /* LWIP_DEBUG */ - /** level of the option to process */ - int level; - /** name of the option to process */ - int optname; - /** set: value to set the option to - * get: value of the option is stored here */ - void *optval; - /** size of *optval */ - socklen_t *optlen; - /** if an error occures, it is temporarily stored here */ - err_t err; -}; - -/** The global array of available sockets */ -static struct lwip_sock sockets[NUM_SOCKETS]; -/** The global list of tasks waiting for select */ -static struct lwip_select_cb *select_cb_list; -/** This counter is increased from lwip_select when the list is chagned - and checked in event_callback to see if it has changed. */ -static volatile int select_cb_ctr; - -/** Table to quickly map an lwIP error (err_t) to a socket error - * by using -err as an index */ -static const int err_to_errno_table[] = { - 0, /* ERR_OK 0 No error, everything OK. */ - ENOMEM, /* ERR_MEM -1 Out of memory error. */ - ENOBUFS, /* ERR_BUF -2 Buffer error. */ - EWOULDBLOCK, /* ERR_TIMEOUT -3 Timeout */ - EHOSTUNREACH, /* ERR_RTE -4 Routing problem. */ - EINPROGRESS, /* ERR_INPROGRESS -5 Operation in progress */ - EINVAL, /* ERR_VAL -6 Illegal value. */ - EWOULDBLOCK, /* ERR_WOULDBLOCK -7 Operation would block. */ - ECONNABORTED, /* ERR_ABRT -8 Connection aborted. */ - ECONNRESET, /* ERR_RST -9 Connection reset. */ - ESHUTDOWN, /* ERR_CLSD -10 Connection closed. */ - ENOTCONN, /* ERR_CONN -11 Not connected. */ - EIO, /* ERR_ARG -12 Illegal argument. */ - EADDRINUSE, /* ERR_USE -13 Address in use. */ - -1, /* ERR_IF -14 Low-level netif error */ - -1, /* ERR_ISCONN -15 Already connected. */ -}; - -#define ERR_TO_ERRNO_TABLE_SIZE \ - (sizeof(err_to_errno_table)/sizeof(err_to_errno_table[0])) - -#define err_to_errno(err) \ - ((unsigned)(-(err)) < ERR_TO_ERRNO_TABLE_SIZE ? \ - err_to_errno_table[-(err)] : EIO) - -#ifdef ERRNO -#ifndef set_errno -#define set_errno(err) errno = (err) -#endif -#else /* ERRNO */ -#define set_errno(err) -#endif /* ERRNO */ - -#define sock_set_errno(sk, e) do { \ - sk->err = (e); \ - set_errno(sk->err); \ -} while (0) - -/* Forward delcaration of some functions */ -static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len); -static void lwip_getsockopt_internal(void *arg); -static void lwip_setsockopt_internal(void *arg); - -/** - * Initialize this module. This function has to be called before any other - * functions in this module! - */ -void -lwip_socket_init(void) -{ -} - -/** - * Map a externally used socket index to the internal socket representation. - * - * @param s externally used socket index - * @return struct lwip_sock for the socket or NULL if not found - */ -static struct lwip_sock * -get_socket(int s) -{ - struct lwip_sock *sock; - - if ((s < 0) || (s >= NUM_SOCKETS)) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): invalid\n", s)); - set_errno(EBADF); - return NULL; - } - - sock = &sockets[s]; - - if (!sock->conn) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): not active\n", s)); - set_errno(EBADF); - return NULL; - } - - return sock; -} - -/** - * Same as get_socket but doesn't set errno - * - * @param s externally used socket index - * @return struct lwip_sock for the socket or NULL if not found - */ -static struct lwip_sock * -tryget_socket(int s) -{ - if ((s < 0) || (s >= NUM_SOCKETS)) { - return NULL; - } - if (!sockets[s].conn) { - return NULL; - } - return &sockets[s]; -} - -/** - * Allocate a new socket for a given netconn. - * - * @param newconn the netconn for which to allocate a socket - * @param accepted 1 if socket has been created by accept(), - * 0 if socket has been created by socket() - * @return the index of the new socket; -1 on error - */ -static int -alloc_socket(struct netconn *newconn, int accepted) -{ - int i; - SYS_ARCH_DECL_PROTECT(lev); - - /* allocate a new socket identifier */ - for (i = 0; i < NUM_SOCKETS; ++i) { - /* Protect socket array */ - SYS_ARCH_PROTECT(lev); - if (!sockets[i].conn) { - sockets[i].conn = newconn; - /* The socket is not yet known to anyone, so no need to protect - after having marked it as used. */ - SYS_ARCH_UNPROTECT(lev); - sockets[i].lastdata = NULL; - sockets[i].lastoffset = 0; - sockets[i].rcvevent = 0; - /* TCP sendbuf is empty, but the socket is not yet writable until connected - * (unless it has been created by accept()). */ - sockets[i].sendevent = (newconn->type == NETCONN_TCP ? (accepted != 0) : 1); - sockets[i].errevent = 0; - sockets[i].err = 0; - sockets[i].select_waiting = 0; - return i; - } - SYS_ARCH_UNPROTECT(lev); - } - return -1; -} - -/** Free a socket. The socket's netconn must have been - * delete before! - * - * @param sock the socket to free - * @param is_tcp != 0 for TCP sockets, used to free lastdata - */ -static void -free_socket(struct lwip_sock *sock, int is_tcp) -{ - void *lastdata; - SYS_ARCH_DECL_PROTECT(lev); - - lastdata = sock->lastdata; - sock->lastdata = NULL; - sock->lastoffset = 0; - sock->err = 0; - - /* Protect socket array */ - SYS_ARCH_PROTECT(lev); - sock->conn = NULL; - SYS_ARCH_UNPROTECT(lev); - /* don't use 'sock' after this line, as another task might have allocated it */ - - if (lastdata != NULL) { - if (is_tcp) { - pbuf_free((struct pbuf *)lastdata); - } else { - netbuf_delete((struct netbuf *)lastdata); - } - } -} - -/* Below this, the well-known socket functions are implemented. - * Use google.com or opengroup.org to get a good description :-) - * - * Exceptions are documented! - */ - -int -lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen) -{ - struct lwip_sock *sock, *nsock; - struct netconn *newconn; - ip_addr_t naddr; - u16_t port; - int newsock; - struct sockaddr_in sin; - err_t err; - SYS_ARCH_DECL_PROTECT(lev); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d)...\n", s)); - sock = get_socket(s); - if (!sock) { - return -1; - } - - if (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): returning EWOULDBLOCK\n", s)); - sock_set_errno(sock, EWOULDBLOCK); - return -1; - } - - /* wait for a new connection */ - err = netconn_accept(sock->conn, &newconn); - if (err != ERR_OK) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_acept failed, err=%d\n", s, err)); - sock_set_errno(sock, err_to_errno(err)); - return -1; - } - LWIP_ASSERT("newconn != NULL", newconn != NULL); - /* Prevent automatic window updates, we do this on our own! */ - netconn_set_noautorecved(newconn, 1); - - /* get the IP address and port of the remote host */ - err = netconn_peer(newconn, &naddr, &port); - if (err != ERR_OK) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_peer failed, err=%d\n", s, err)); - netconn_delete(newconn); - sock_set_errno(sock, err_to_errno(err)); - return -1; - } - - /* Note that POSIX only requires us to check addr is non-NULL. addrlen must - * not be NULL if addr is valid. - */ - if (NULL != addr) { - LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL); - memset(&sin, 0, sizeof(sin)); - sin.sin_len = sizeof(sin); - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - inet_addr_from_ipaddr(&sin.sin_addr, &naddr); - - if (*addrlen > sizeof(sin)) - *addrlen = sizeof(sin); - - MEMCPY(addr, &sin, *addrlen); - } - - newsock = alloc_socket(newconn, 1); - if (newsock == -1) { - netconn_delete(newconn); - sock_set_errno(sock, ENFILE); - return -1; - } - LWIP_ASSERT("invalid socket index", (newsock >= 0) && (newsock < NUM_SOCKETS)); - LWIP_ASSERT("newconn->callback == event_callback", newconn->callback == event_callback); - nsock = &sockets[newsock]; - - /* See event_callback: If data comes in right away after an accept, even - * though the server task might not have created a new socket yet. - * In that case, newconn->socket is counted down (newconn->socket--), - * so nsock->rcvevent is >= 1 here! - */ - SYS_ARCH_PROTECT(lev); - nsock->rcvevent += (s16_t)(-1 - newconn->socket); - newconn->socket = newsock; - SYS_ARCH_UNPROTECT(lev); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d) returning new sock=%d addr=", s, newsock)); - ip_addr_debug_print(SOCKETS_DEBUG, &naddr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", port)); - - sock_set_errno(sock, 0); - return newsock; -} - -int -lwip_bind(int s, const struct sockaddr *name, socklen_t namelen) -{ - struct lwip_sock *sock; - ip_addr_t local_addr; - u16_t local_port; - err_t err; - const struct sockaddr_in *name_in; - - sock = get_socket(s); - if (!sock) { - return -1; - } - - /* check size, familiy and alignment of 'name' */ - LWIP_ERROR("lwip_bind: invalid address", ((namelen == sizeof(struct sockaddr_in)) && - ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)), - sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;); - name_in = (const struct sockaddr_in *)(void*)name; - - inet_addr_to_ipaddr(&local_addr, &name_in->sin_addr); - local_port = name_in->sin_port; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s)); - ip_addr_debug_print(SOCKETS_DEBUG, &local_addr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(local_port))); - - err = netconn_bind(sock->conn, &local_addr, ntohs(local_port)); - - if (err != ERR_OK) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err)); - sock_set_errno(sock, err_to_errno(err)); - return -1; - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s)); - sock_set_errno(sock, 0); - return 0; -} - -int -lwip_close(int s) -{ - struct lwip_sock *sock; - int is_tcp = 0; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s)); - - sock = get_socket(s); - if (!sock) { - return -1; - } - - if(sock->conn != NULL) { - is_tcp = netconn_type(sock->conn) == NETCONN_TCP; - } else { - LWIP_ASSERT("sock->lastdata == NULL", sock->lastdata == NULL); - } - - netconn_delete(sock->conn); - - free_socket(sock, is_tcp); - set_errno(0); - return 0; -} - -int -lwip_connect(int s, const struct sockaddr *name, socklen_t namelen) -{ - struct lwip_sock *sock; - err_t err; - const struct sockaddr_in *name_in; - - sock = get_socket(s); - if (!sock) { - return -1; - } - - /* check size, familiy and alignment of 'name' */ - LWIP_ERROR("lwip_connect: invalid address", ((namelen == sizeof(struct sockaddr_in)) && - ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)), - sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;); - name_in = (const struct sockaddr_in *)(void*)name; - - if (name_in->sin_family == AF_UNSPEC) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s)); - err = netconn_disconnect(sock->conn); - } else { - ip_addr_t remote_addr; - u16_t remote_port; - - inet_addr_to_ipaddr(&remote_addr, &name_in->sin_addr); - remote_port = name_in->sin_port; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s)); - ip_addr_debug_print(SOCKETS_DEBUG, &remote_addr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(remote_port))); - - err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port)); - } - - if (err != ERR_OK) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err)); - sock_set_errno(sock, err_to_errno(err)); - return -1; - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s)); - sock_set_errno(sock, 0); - return 0; -} - -/** - * Set a socket into listen mode. - * The socket may not have been used for another connection previously. - * - * @param s the socket to set to listening mode - * @param backlog (ATTENTION: needs TCP_LISTEN_BACKLOG=1) - * @return 0 on success, non-zero on failure - */ -int -lwip_listen(int s, int backlog) -{ - struct lwip_sock *sock; - err_t err; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog)); - - sock = get_socket(s); - if (!sock) { - return -1; - } - - /* limit the "backlog" parameter to fit in an u8_t */ - backlog = LWIP_MIN(LWIP_MAX(backlog, 0), 0xff); - - err = netconn_listen_with_backlog(sock->conn, (u8_t)backlog); - - if (err != ERR_OK) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err)); - sock_set_errno(sock, err_to_errno(err)); - return -1; - } - - sock_set_errno(sock, 0); - return 0; -} - -int -lwip_recvfrom(int s, void *mem, size_t len, int flags, - struct sockaddr *from, socklen_t *fromlen) -{ - struct lwip_sock *sock; - void *buf = NULL; - struct pbuf *p; - u16_t buflen, copylen; - int off = 0; - ip_addr_t *addr; - u16_t port; - u8_t done = 0; - err_t err; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %"SZT_F", 0x%x, ..)\n", s, mem, len, flags)); - sock = get_socket(s); - if (!sock) { - return -1; - } - - do { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: top while sock->lastdata=%p\n", sock->lastdata)); - /* Check if there is data left from the last recv operation. */ - if (sock->lastdata) { - buf = sock->lastdata; - } else { - /* If this is non-blocking call, then check first */ - if (((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) && - (sock->rcvevent <= 0)) { - if (off > 0) { - /* update receive window */ - netconn_recved(sock->conn, (u32_t)off); - /* already received data, return that */ - sock_set_errno(sock, 0); - return off; - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s)); - sock_set_errno(sock, EWOULDBLOCK); - return -1; - } - - /* No data was left from the previous operation, so we try to get - some from the network. */ - if (netconn_type(sock->conn) == NETCONN_TCP) { - err = netconn_recv_tcp_pbuf(sock->conn, (struct pbuf **)&buf); - } else { - err = netconn_recv(sock->conn, (struct netbuf **)&buf); - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv err=%d, netbuf=%p\n", - err, buf)); - - if (err != ERR_OK) { - if (off > 0) { - /* update receive window */ - netconn_recved(sock->conn, (u32_t)off); - /* already received data, return that */ - sock_set_errno(sock, 0); - return off; - } - /* We should really do some error checking here. */ - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n", - s, lwip_strerr(err))); - sock_set_errno(sock, err_to_errno(err)); - if (err == ERR_CLSD) { - return 0; - } else { - return -1; - } - } - LWIP_ASSERT("buf != NULL", buf != NULL); - sock->lastdata = buf; - } - - if (netconn_type(sock->conn) == NETCONN_TCP) { - p = (struct pbuf *)buf; - } else { - p = ((struct netbuf *)buf)->p; - } - buflen = p->tot_len; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: buflen=%"U16_F" len=%"SZT_F" off=%d sock->lastoffset=%"U16_F"\n", - buflen, len, off, sock->lastoffset)); - - buflen -= sock->lastoffset; - - if (len > buflen) { - copylen = buflen; - } else { - copylen = (u16_t)len; - } - - /* copy the contents of the received buffer into - the supplied memory pointer mem */ - pbuf_copy_partial(p, (u8_t*)mem + off, copylen, sock->lastoffset); - - off += copylen; - - if (netconn_type(sock->conn) == NETCONN_TCP) { - LWIP_ASSERT("invalid copylen, len would underflow", len >= copylen); - len -= copylen; - if ( (len <= 0) || - (p->flags & PBUF_FLAG_PUSH) || - (sock->rcvevent <= 0) || - ((flags & MSG_PEEK)!=0)) { - done = 1; - } - } else { - done = 1; - } - - /* Check to see from where the data was.*/ - if (done) { - ip_addr_t fromaddr; - if (from && fromlen) { - struct sockaddr_in sin; - - if (netconn_type(sock->conn) == NETCONN_TCP) { - addr = &fromaddr; - netconn_getaddr(sock->conn, addr, &port, 0); - } else { - addr = netbuf_fromaddr((struct netbuf *)buf); - port = netbuf_fromport((struct netbuf *)buf); - } - - memset(&sin, 0, sizeof(sin)); - sin.sin_len = sizeof(sin); - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - inet_addr_from_ipaddr(&sin.sin_addr, addr); - - if (*fromlen > sizeof(sin)) { - *fromlen = sizeof(sin); - } - - MEMCPY(from, &sin, *fromlen); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s)); - ip_addr_debug_print(SOCKETS_DEBUG, addr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off)); - } else { -#if SOCKETS_DEBUG - if (netconn_type(sock->conn) == NETCONN_TCP) { - addr = &fromaddr; - netconn_getaddr(sock->conn, addr, &port, 0); - } else { - addr = netbuf_fromaddr((struct netbuf *)buf); - port = netbuf_fromport((struct netbuf *)buf); - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s)); - ip_addr_debug_print(SOCKETS_DEBUG, addr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off)); -#endif /* SOCKETS_DEBUG */ - } - } - - /* If we don't peek the incoming message... */ - if ((flags & MSG_PEEK) == 0) { - /* If this is a TCP socket, check if there is data left in the - buffer. If so, it should be saved in the sock structure for next - time around. */ - if ((netconn_type(sock->conn) == NETCONN_TCP) && (buflen - copylen > 0)) { - sock->lastdata = buf; - sock->lastoffset += copylen; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: lastdata now netbuf=%p\n", buf)); - } else { - sock->lastdata = NULL; - sock->lastoffset = 0; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: deleting netbuf=%p\n", buf)); - if (netconn_type(sock->conn) == NETCONN_TCP) { - pbuf_free((struct pbuf *)buf); - } else { - netbuf_delete((struct netbuf *)buf); - } - } - } - } while (!done); - - if (off > 0) { - /* update receive window */ - netconn_recved(sock->conn, (u32_t)off); - } - sock_set_errno(sock, 0); - return off; -} - -int -lwip_read(int s, void *mem, size_t len) -{ - return lwip_recvfrom(s, mem, len, 0, NULL, NULL); -} - -int -lwip_recv(int s, void *mem, size_t len, int flags) -{ - return lwip_recvfrom(s, mem, len, flags, NULL, NULL); -} - -int -lwip_send(int s, const void *data, size_t size, int flags) -{ - struct lwip_sock *sock; - err_t err; - u8_t write_flags; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%"SZT_F", flags=0x%x)\n", - s, data, size, flags)); - - sock = get_socket(s); - if (!sock) { - return -1; - } - - if (sock->conn->type != NETCONN_TCP) { -#if (LWIP_UDP || LWIP_RAW) - return lwip_sendto(s, data, size, flags, NULL, 0); -#else /* (LWIP_UDP || LWIP_RAW) */ - sock_set_errno(sock, err_to_errno(ERR_ARG)); - return -1; -#endif /* (LWIP_UDP || LWIP_RAW) */ - } - - if ((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) { - if ((size > TCP_SND_BUF) || ((size / TCP_MSS) > TCP_SND_QUEUELEN)) { - /* too much data to ever send nonblocking! */ - sock_set_errno(sock, EMSGSIZE); - return -1; - } - } - - write_flags = NETCONN_COPY | - ((flags & MSG_MORE) ? NETCONN_MORE : 0) | - ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0); - err = netconn_write(sock->conn, data, size, write_flags); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d size=%"SZT_F"\n", s, err, size)); - sock_set_errno(sock, err_to_errno(err)); - return (err == ERR_OK ? (int)size : -1); -} - -int -lwip_sendto(int s, const void *data, size_t size, int flags, - const struct sockaddr *to, socklen_t tolen) -{ - struct lwip_sock *sock; - err_t err; - u16_t short_size; - const struct sockaddr_in *to_in; - u16_t remote_port; -#if !LWIP_TCPIP_CORE_LOCKING - struct netbuf buf; -#endif - - sock = get_socket(s); - if (!sock) { - return -1; - } - - if (sock->conn->type == NETCONN_TCP) { -#if LWIP_TCP - return lwip_send(s, data, size, flags); -#else /* LWIP_TCP */ - LWIP_UNUSED_ARG(flags); - sock_set_errno(sock, err_to_errno(ERR_ARG)); - return -1; -#endif /* LWIP_TCP */ - } - - /* @todo: split into multiple sendto's? */ - LWIP_ASSERT("lwip_sendto: size must fit in u16_t", size <= 0xffff); - short_size = (u16_t)size; - LWIP_ERROR("lwip_sendto: invalid address", (((to == NULL) && (tolen == 0)) || - ((tolen == sizeof(struct sockaddr_in)) && - ((to->sa_family) == AF_INET) && ((((mem_ptr_t)to) % 4) == 0))), - sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;); - to_in = (const struct sockaddr_in *)(void*)to; - -#if LWIP_TCPIP_CORE_LOCKING - /* Should only be consider like a sample or a simple way to experiment this option (no check of "to" field...) */ - { - struct pbuf* p; - ip_addr_t *remote_addr; - -#if LWIP_NETIF_TX_SINGLE_PBUF - p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_RAM); - if (p != NULL) { -#if LWIP_CHECKSUM_ON_COPY - u16_t chksum = 0; - if (sock->conn->type != NETCONN_RAW) { - chksum = LWIP_CHKSUM_COPY(p->payload, data, short_size); - } else -#endif /* LWIP_CHECKSUM_ON_COPY */ - MEMCPY(p->payload, data, size); -#else /* LWIP_NETIF_TX_SINGLE_PBUF */ - p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_REF); - if (p != NULL) { - p->payload = (void*)data; -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - - if (to_in != NULL) { - inet_addr_to_ipaddr_p(remote_addr, &to_in->sin_addr); - remote_port = ntohs(to_in->sin_port); - } else { - remote_addr = IP_ADDR_ANY; - remote_port = 0; - } - - LOCK_TCPIP_CORE(); - if (sock->conn->type == NETCONN_RAW) { - err = sock->conn->last_err = raw_sendto(sock->conn->pcb.raw, p, remote_addr); - } else { -#if LWIP_UDP -#if LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF - err = sock->conn->last_err = udp_sendto_chksum(sock->conn->pcb.udp, p, - remote_addr, remote_port, 1, chksum); -#else /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */ - err = sock->conn->last_err = udp_sendto(sock->conn->pcb.udp, p, - remote_addr, remote_port); -#endif /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */ -#else /* LWIP_UDP */ - err = ERR_ARG; -#endif /* LWIP_UDP */ - } - UNLOCK_TCPIP_CORE(); - - pbuf_free(p); - } else { - err = ERR_MEM; - } - } -#else /* LWIP_TCPIP_CORE_LOCKING */ - /* initialize a buffer */ - buf.p = buf.ptr = NULL; -#if LWIP_CHECKSUM_ON_COPY - buf.flags = 0; -#endif /* LWIP_CHECKSUM_ON_COPY */ - if (to) { - inet_addr_to_ipaddr(&buf.addr, &to_in->sin_addr); - remote_port = ntohs(to_in->sin_port); - netbuf_fromport(&buf) = remote_port; - } else { - remote_port = 0; - ip_addr_set_any(&buf.addr); - netbuf_fromport(&buf) = 0; - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_sendto(%d, data=%p, short_size=%d"U16_F", flags=0x%x to=", - s, data, short_size, flags)); - ip_addr_debug_print(SOCKETS_DEBUG, &buf.addr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", remote_port)); - - /* make the buffer point to the data that should be sent */ -#if LWIP_NETIF_TX_SINGLE_PBUF - /* Allocate a new netbuf and copy the data into it. */ - if (netbuf_alloc(&buf, short_size) == NULL) { - err = ERR_MEM; - } else { -#if LWIP_CHECKSUM_ON_COPY - if (sock->conn->type != NETCONN_RAW) { - u16_t chksum = LWIP_CHKSUM_COPY(buf.p->payload, data, short_size); - netbuf_set_chksum(&buf, chksum); - err = ERR_OK; - } else -#endif /* LWIP_CHECKSUM_ON_COPY */ - { - err = netbuf_take(&buf, data, short_size); - } - } -#else /* LWIP_NETIF_TX_SINGLE_PBUF */ - err = netbuf_ref(&buf, data, short_size); -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - if (err == ERR_OK) { - /* send the data */ - err = netconn_send(sock->conn, &buf); - } - - /* deallocated the buffer */ - netbuf_free(&buf); -#endif /* LWIP_TCPIP_CORE_LOCKING */ - sock_set_errno(sock, err_to_errno(err)); - return (err == ERR_OK ? short_size : -1); -} - -int -lwip_socket(int domain, int type, int protocol) -{ - struct netconn *conn; - int i; - - LWIP_UNUSED_ARG(domain); - - /* create a netconn */ - switch (type) { - case SOCK_RAW: - conn = netconn_new_with_proto_and_callback(NETCONN_RAW, (u8_t)protocol, event_callback); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_RAW, %d) = ", - domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol)); - break; - case SOCK_DGRAM: - conn = netconn_new_with_callback( (protocol == IPPROTO_UDPLITE) ? - NETCONN_UDPLITE : NETCONN_UDP, event_callback); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ", - domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol)); - break; - case SOCK_STREAM: - conn = netconn_new_with_callback(NETCONN_TCP, event_callback); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_STREAM, %d) = ", - domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol)); - if (conn != NULL) { - /* Prevent automatic window updates, we do this on our own! */ - netconn_set_noautorecved(conn, 1); - } - break; - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%d, %d/UNKNOWN, %d) = -1\n", - domain, type, protocol)); - set_errno(EINVAL); - return -1; - } - - if (!conn) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create netconn)\n")); - set_errno(ENOBUFS); - return -1; - } - - i = alloc_socket(conn, 0); - - if (i == -1) { - netconn_delete(conn); - set_errno(ENFILE); - return -1; - } - conn->socket = i; - LWIP_DEBUGF(SOCKETS_DEBUG, ("%d\n", i)); - set_errno(0); - return i; -} - -int -lwip_write(int s, const void *data, size_t size) -{ - return lwip_send(s, data, size, 0); -} - -/** - * Go through the readset and writeset lists and see which socket of the sockets - * set in the sets has events. On return, readset, writeset and exceptset have - * the sockets enabled that had events. - * - * exceptset is not used for now!!! - * - * @param maxfdp1 the highest socket index in the sets - * @param readset_in: set of sockets to check for read events - * @param writeset_in: set of sockets to check for write events - * @param exceptset_in: set of sockets to check for error events - * @param readset_out: set of sockets that had read events - * @param writeset_out: set of sockets that had write events - * @param exceptset_out: set os sockets that had error events - * @return number of sockets that had events (read/write/exception) (>= 0) - */ -static int -lwip_selscan(int maxfdp1, fd_set *readset_in, fd_set *writeset_in, fd_set *exceptset_in, - fd_set *readset_out, fd_set *writeset_out, fd_set *exceptset_out) -{ - int i, nready = 0; - fd_set lreadset, lwriteset, lexceptset; - struct lwip_sock *sock; - SYS_ARCH_DECL_PROTECT(lev); - - FD_ZERO(&lreadset); - FD_ZERO(&lwriteset); - FD_ZERO(&lexceptset); - - /* Go through each socket in each list to count number of sockets which - currently match */ - for(i = 0; i < maxfdp1; i++) { - void* lastdata = NULL; - s16_t rcvevent = 0; - u16_t sendevent = 0; - u16_t errevent = 0; - /* First get the socket's status (protected)... */ - SYS_ARCH_PROTECT(lev); - sock = tryget_socket(i); - if (sock != NULL) { - lastdata = sock->lastdata; - rcvevent = sock->rcvevent; - sendevent = sock->sendevent; - errevent = sock->errevent; - } - SYS_ARCH_UNPROTECT(lev); - /* ... then examine it: */ - /* See if netconn of this socket is ready for read */ - if (readset_in && FD_ISSET(i, readset_in) && ((lastdata != NULL) || (rcvevent > 0))) { - FD_SET(i, &lreadset); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i)); - nready++; - } - /* See if netconn of this socket is ready for write */ - if (writeset_in && FD_ISSET(i, writeset_in) && (sendevent != 0)) { - FD_SET(i, &lwriteset); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i)); - nready++; - } - /* See if netconn of this socket had an error */ - if (exceptset_in && FD_ISSET(i, exceptset_in) && (errevent != 0)) { - FD_SET(i, &lexceptset); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for exception\n", i)); - nready++; - } - } - /* copy local sets to the ones provided as arguments */ - *readset_out = lreadset; - *writeset_out = lwriteset; - *exceptset_out = lexceptset; - - LWIP_ASSERT("nready >= 0", nready >= 0); - return nready; -} - -/** - * Processing exceptset is not yet implemented. - */ -int -lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, - struct timeval *timeout) -{ - u32_t waitres = 0; - int nready; - fd_set lreadset, lwriteset, lexceptset; - u32_t msectimeout; - struct lwip_select_cb select_cb; - err_t err; - int i; - SYS_ARCH_DECL_PROTECT(lev); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select(%d, %p, %p, %p, tvsec=%"S32_F" tvusec=%"S32_F")\n", - maxfdp1, (void *)readset, (void *) writeset, (void *) exceptset, - timeout ? (s32_t)timeout->tv_sec : (s32_t)-1, - timeout ? (s32_t)timeout->tv_usec : (s32_t)-1)); - - /* Go through each socket in each list to count number of sockets which - currently match */ - nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset); - - /* If we don't have any current events, then suspend if we are supposed to */ - if (!nready) { - if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) { - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n")); - /* This is OK as the local fdsets are empty and nready is zero, - or we would have returned earlier. */ - goto return_copy_fdsets; - } - - /* None ready: add our semaphore to list: - We don't actually need any dynamic memory. Our entry on the - list is only valid while we are in this function, so it's ok - to use local variables. */ - - select_cb.next = NULL; - select_cb.prev = NULL; - select_cb.readset = readset; - select_cb.writeset = writeset; - select_cb.exceptset = exceptset; - select_cb.sem_signalled = 0; - err = sys_sem_new(&select_cb.sem, 0); - if (err != ERR_OK) { - /* failed to create semaphore */ - set_errno(ENOMEM); - return -1; - } - - /* Protect the select_cb_list */ - SYS_ARCH_PROTECT(lev); - - /* Put this select_cb on top of list */ - select_cb.next = select_cb_list; - if (select_cb_list != NULL) { - select_cb_list->prev = &select_cb; - } - select_cb_list = &select_cb; - /* Increasing this counter tells even_callback that the list has changed. */ - select_cb_ctr++; - - /* Now we can safely unprotect */ - SYS_ARCH_UNPROTECT(lev); - - /* Increase select_waiting for each socket we are interested in */ - for(i = 0; i < maxfdp1; i++) { - if ((readset && FD_ISSET(i, readset)) || - (writeset && FD_ISSET(i, writeset)) || - (exceptset && FD_ISSET(i, exceptset))) { - struct lwip_sock *sock = tryget_socket(i); - LWIP_ASSERT("sock != NULL", sock != NULL); - SYS_ARCH_PROTECT(lev); - sock->select_waiting++; - LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0); - SYS_ARCH_UNPROTECT(lev); - } - } - - /* Call lwip_selscan again: there could have been events between - the last scan (whithout us on the list) and putting us on the list! */ - nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset); - if (!nready) { - /* Still none ready, just wait to be woken */ - if (timeout == 0) { - /* Wait forever */ - msectimeout = 0; - } else { - msectimeout = ((timeout->tv_sec * 1000) + ((timeout->tv_usec + 500)/1000)); - if (msectimeout == 0) { - /* Wait 1ms at least (0 means wait forever) */ - msectimeout = 1; - } - } - - waitres = sys_arch_sem_wait(&select_cb.sem, msectimeout); - } - /* Increase select_waiting for each socket we are interested in */ - for(i = 0; i < maxfdp1; i++) { - if ((readset && FD_ISSET(i, readset)) || - (writeset && FD_ISSET(i, writeset)) || - (exceptset && FD_ISSET(i, exceptset))) { - struct lwip_sock *sock = tryget_socket(i); - LWIP_ASSERT("sock != NULL", sock != NULL); - SYS_ARCH_PROTECT(lev); - sock->select_waiting--; - LWIP_ASSERT("sock->select_waiting >= 0", sock->select_waiting >= 0); - SYS_ARCH_UNPROTECT(lev); - } - } - /* Take us off the list */ - SYS_ARCH_PROTECT(lev); - if (select_cb.next != NULL) { - select_cb.next->prev = select_cb.prev; - } - if (select_cb_list == &select_cb) { - LWIP_ASSERT("select_cb.prev == NULL", select_cb.prev == NULL); - select_cb_list = select_cb.next; - } else { - LWIP_ASSERT("select_cb.prev != NULL", select_cb.prev != NULL); - select_cb.prev->next = select_cb.next; - } - /* Increasing this counter tells even_callback that the list has changed. */ - select_cb_ctr++; - SYS_ARCH_UNPROTECT(lev); - - sys_sem_free(&select_cb.sem); - if (waitres == SYS_ARCH_TIMEOUT) { - /* Timeout */ - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n")); - /* This is OK as the local fdsets are empty and nready is zero, - or we would have returned earlier. */ - goto return_copy_fdsets; - } - - /* See what's set */ - nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset); - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: nready=%d\n", nready)); -return_copy_fdsets: - set_errno(0); - if (readset) { - *readset = lreadset; - } - if (writeset) { - *writeset = lwriteset; - } - if (exceptset) { - *exceptset = lexceptset; - } - - - return nready; -} - -/** - * Callback registered in the netconn layer for each socket-netconn. - * Processes recvevent (data available) and wakes up tasks waiting for select. - */ -static void -event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len) -{ - int s; - struct lwip_sock *sock; - struct lwip_select_cb *scb; - int last_select_cb_ctr; - SYS_ARCH_DECL_PROTECT(lev); - - LWIP_UNUSED_ARG(len); - - /* Get socket */ - if (conn) { - s = conn->socket; - if (s < 0) { - /* Data comes in right away after an accept, even though - * the server task might not have created a new socket yet. - * Just count down (or up) if that's the case and we - * will use the data later. Note that only receive events - * can happen before the new socket is set up. */ - SYS_ARCH_PROTECT(lev); - if (conn->socket < 0) { - if (evt == NETCONN_EVT_RCVPLUS) { - conn->socket--; - } - SYS_ARCH_UNPROTECT(lev); - return; - } - s = conn->socket; - SYS_ARCH_UNPROTECT(lev); - } - - sock = get_socket(s); - if (!sock) { - return; - } - } else { - return; - } - - SYS_ARCH_PROTECT(lev); - /* Set event as required */ - switch (evt) { - case NETCONN_EVT_RCVPLUS: - sock->rcvevent++; - break; - case NETCONN_EVT_RCVMINUS: - sock->rcvevent--; - break; - case NETCONN_EVT_SENDPLUS: - sock->sendevent = 1; - break; - case NETCONN_EVT_SENDMINUS: - sock->sendevent = 0; - break; - case NETCONN_EVT_ERROR: - sock->errevent = 1; - break; - default: - LWIP_ASSERT("unknown event", 0); - break; - } - - if (sock->select_waiting == 0) { - /* noone is waiting for this socket, no need to check select_cb_list */ - SYS_ARCH_UNPROTECT(lev); - return; - } - - /* Now decide if anyone is waiting for this socket */ - /* NOTE: This code goes through the select_cb_list list multiple times - ONLY IF a select was actually waiting. We go through the list the number - of waiting select calls + 1. This list is expected to be small. */ - - /* At this point, SYS_ARCH is still protected! */ -again: - for (scb = select_cb_list; scb != NULL; scb = scb->next) { - if (scb->sem_signalled == 0) { - /* semaphore not signalled yet */ - int do_signal = 0; - /* Test this select call for our socket */ - if (sock->rcvevent > 0) { - if (scb->readset && FD_ISSET(s, scb->readset)) { - do_signal = 1; - } - } - if (sock->sendevent != 0) { - if (!do_signal && scb->writeset && FD_ISSET(s, scb->writeset)) { - do_signal = 1; - } - } - if (sock->errevent != 0) { - if (!do_signal && scb->exceptset && FD_ISSET(s, scb->exceptset)) { - do_signal = 1; - } - } - if (do_signal) { - scb->sem_signalled = 1; - /* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might - lead to the select thread taking itself off the list, invalidagin the semaphore. */ - sys_sem_signal(&scb->sem); - } - } - /* unlock interrupts with each step */ - last_select_cb_ctr = select_cb_ctr; - SYS_ARCH_UNPROTECT(lev); - /* this makes sure interrupt protection time is short */ - SYS_ARCH_PROTECT(lev); - if (last_select_cb_ctr != select_cb_ctr) { - /* someone has changed select_cb_list, restart at the beginning */ - goto again; - } - } - SYS_ARCH_UNPROTECT(lev); -} - -/** - * Unimplemented: Close one end of a full-duplex connection. - * Currently, the full connection is closed. - */ -int -lwip_shutdown(int s, int how) -{ - struct lwip_sock *sock; - err_t err; - u8_t shut_rx = 0, shut_tx = 0; - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_shutdown(%d, how=%d)\n", s, how)); - - sock = get_socket(s); - if (!sock) { - return -1; - } - - if (sock->conn != NULL) { - if (netconn_type(sock->conn) != NETCONN_TCP) { - sock_set_errno(sock, EOPNOTSUPP); - return EOPNOTSUPP; - } - } else { - sock_set_errno(sock, ENOTCONN); - return ENOTCONN; - } - - if (how == SHUT_RD) { - shut_rx = 1; - } else if (how == SHUT_WR) { - shut_tx = 1; - } else if(how == SHUT_RDWR) { - shut_rx = 1; - shut_tx = 1; - } else { - sock_set_errno(sock, EINVAL); - return EINVAL; - } - err = netconn_shutdown(sock->conn, shut_rx, shut_tx); - - sock_set_errno(sock, err_to_errno(err)); - return (err == ERR_OK ? 0 : -1); -} - -static int -lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local) -{ - struct lwip_sock *sock; - struct sockaddr_in sin; - ip_addr_t naddr; - - sock = get_socket(s); - if (!sock) { - return -1; - } - - memset(&sin, 0, sizeof(sin)); - sin.sin_len = sizeof(sin); - sin.sin_family = AF_INET; - - /* get the IP address and port */ - netconn_getaddr(sock->conn, &naddr, &sin.sin_port, local); - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getaddrname(%d, addr=", s)); - ip_addr_debug_print(SOCKETS_DEBUG, &naddr); - LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", sin.sin_port)); - - sin.sin_port = htons(sin.sin_port); - inet_addr_from_ipaddr(&sin.sin_addr, &naddr); - - if (*namelen > sizeof(sin)) { - *namelen = sizeof(sin); - } - - MEMCPY(name, &sin, *namelen); - sock_set_errno(sock, 0); - return 0; -} - -int -lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen) -{ - return lwip_getaddrname(s, name, namelen, 0); -} - -int -lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen) -{ - return lwip_getaddrname(s, name, namelen, 1); -} - -int -lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen) -{ - err_t err = ERR_OK; - struct lwip_sock *sock = get_socket(s); - struct lwip_setgetsockopt_data data; - - if (!sock) { - return -1; - } - - if ((NULL == optval) || (NULL == optlen)) { - sock_set_errno(sock, EFAULT); - return -1; - } - - /* Do length and type checks for the various options first, to keep it readable. */ - switch (level) { - -/* Level: SOL_SOCKET */ - case SOL_SOCKET: - switch (optname) { - - case SO_ACCEPTCONN: - case SO_BROADCAST: - /* UNIMPL case SO_DEBUG: */ - /* UNIMPL case SO_DONTROUTE: */ - case SO_ERROR: - case SO_KEEPALIVE: - /* UNIMPL case SO_CONTIMEO: */ - /* UNIMPL case SO_SNDTIMEO: */ -#if LWIP_SO_RCVTIMEO - case SO_RCVTIMEO: -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - case SO_RCVBUF: -#endif /* LWIP_SO_RCVBUF */ - /* UNIMPL case SO_OOBINLINE: */ - /* UNIMPL case SO_SNDBUF: */ - /* UNIMPL case SO_RCVLOWAT: */ - /* UNIMPL case SO_SNDLOWAT: */ -#if SO_REUSE - case SO_REUSEADDR: - case SO_REUSEPORT: -#endif /* SO_REUSE */ - case SO_TYPE: - /* UNIMPL case SO_USELOOPBACK: */ - if (*optlen < sizeof(int)) { - err = EINVAL; - } - break; - - case SO_NO_CHECK: - if (*optlen < sizeof(int)) { - err = EINVAL; - } -#if LWIP_UDP - if ((sock->conn->type != NETCONN_UDP) || - ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) { - /* this flag is only available for UDP, not for UDP lite */ - err = EAFNOSUPPORT; - } -#endif /* LWIP_UDP */ - break; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; - -/* Level: IPPROTO_IP */ - case IPPROTO_IP: - switch (optname) { - /* UNIMPL case IP_HDRINCL: */ - /* UNIMPL case IP_RCVDSTADDR: */ - /* UNIMPL case IP_RCVIF: */ - case IP_TTL: - case IP_TOS: - if (*optlen < sizeof(int)) { - err = EINVAL; - } - break; -#if LWIP_IGMP - case IP_MULTICAST_TTL: - if (*optlen < sizeof(u8_t)) { - err = EINVAL; - } - break; - case IP_MULTICAST_IF: - if (*optlen < sizeof(struct in_addr)) { - err = EINVAL; - } - break; - case IP_MULTICAST_LOOP: - if (*optlen < sizeof(u8_t)) { - err = EINVAL; - } - if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) { - err = EAFNOSUPPORT; - } - break; -#endif /* LWIP_IGMP */ - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; - -#if LWIP_TCP -/* Level: IPPROTO_TCP */ - case IPPROTO_TCP: - if (*optlen < sizeof(int)) { - err = EINVAL; - break; - } - - /* If this is no TCP socket, ignore any options. */ - if (sock->conn->type != NETCONN_TCP) - return 0; - - switch (optname) { - case TCP_NODELAY: - case TCP_KEEPALIVE: -#if LWIP_TCP_KEEPALIVE - case TCP_KEEPIDLE: - case TCP_KEEPINTVL: - case TCP_KEEPCNT: -#endif /* LWIP_TCP_KEEPALIVE */ - break; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; -#endif /* LWIP_TCP */ -#if LWIP_UDP && LWIP_UDPLITE -/* Level: IPPROTO_UDPLITE */ - case IPPROTO_UDPLITE: - if (*optlen < sizeof(int)) { - err = EINVAL; - break; - } - - /* If this is no UDP lite socket, ignore any options. */ - if (sock->conn->type != NETCONN_UDPLITE) { - return 0; - } - - switch (optname) { - case UDPLITE_SEND_CSCOV: - case UDPLITE_RECV_CSCOV: - break; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; -#endif /* LWIP_UDP && LWIP_UDPLITE*/ -/* UNDEFINED LEVEL */ - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n", - s, level, optname)); - err = ENOPROTOOPT; - } /* switch */ - - - if (err != ERR_OK) { - sock_set_errno(sock, err); - return -1; - } - - /* Now do the actual option processing */ - data.sock = sock; -#ifdef LWIP_DEBUG - data.s = s; -#endif /* LWIP_DEBUG */ - data.level = level; - data.optname = optname; - data.optval = optval; - data.optlen = optlen; - data.err = err; - tcpip_callback(lwip_getsockopt_internal, &data); - sys_arch_sem_wait(&sock->conn->op_completed, 0); - /* maybe lwip_getsockopt_internal has changed err */ - err = data.err; - - sock_set_errno(sock, err); - return err ? -1 : 0; -} - -static void -lwip_getsockopt_internal(void *arg) -{ - struct lwip_sock *sock; -#ifdef LWIP_DEBUG - int s; -#endif /* LWIP_DEBUG */ - int level, optname; - void *optval; - struct lwip_setgetsockopt_data *data; - - LWIP_ASSERT("arg != NULL", arg != NULL); - - data = (struct lwip_setgetsockopt_data*)arg; - sock = data->sock; -#ifdef LWIP_DEBUG - s = data->s; -#endif /* LWIP_DEBUG */ - level = data->level; - optname = data->optname; - optval = data->optval; - - switch (level) { - -/* Level: SOL_SOCKET */ - case SOL_SOCKET: - switch (optname) { - - /* The option flags */ - case SO_ACCEPTCONN: - case SO_BROADCAST: - /* UNIMPL case SO_DEBUG: */ - /* UNIMPL case SO_DONTROUTE: */ - case SO_KEEPALIVE: - /* UNIMPL case SO_OOBINCLUDE: */ -#if SO_REUSE - case SO_REUSEADDR: - case SO_REUSEPORT: -#endif /* SO_REUSE */ - /*case SO_USELOOPBACK: UNIMPL */ - *(int*)optval = sock->conn->pcb.ip->so_options & optname; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, optname=0x%x, ..) = %s\n", - s, optname, (*(int*)optval?"on":"off"))); - break; - - case SO_TYPE: - switch (NETCONNTYPE_GROUP(sock->conn->type)) { - case NETCONN_RAW: - *(int*)optval = SOCK_RAW; - break; - case NETCONN_TCP: - *(int*)optval = SOCK_STREAM; - break; - case NETCONN_UDP: - *(int*)optval = SOCK_DGRAM; - break; - default: /* unrecognized socket type */ - *(int*)optval = sock->conn->type; - LWIP_DEBUGF(SOCKETS_DEBUG, - ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE): unrecognized socket type %d\n", - s, *(int *)optval)); - } /* switch (sock->conn->type) */ - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE) = %d\n", - s, *(int *)optval)); - break; - - case SO_ERROR: - /* only overwrite ERR_OK or tempoary errors */ - if ((sock->err == 0) || (sock->err == EINPROGRESS)) { - sock_set_errno(sock, err_to_errno(sock->conn->last_err)); - } - *(int *)optval = sock->err; - sock->err = 0; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n", - s, *(int *)optval)); - break; - -#if LWIP_SO_RCVTIMEO - case SO_RCVTIMEO: - *(int *)optval = netconn_get_recvtimeout(sock->conn); - break; -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - case SO_RCVBUF: - *(int *)optval = netconn_get_recvbufsize(sock->conn); - break; -#endif /* LWIP_SO_RCVBUF */ -#if LWIP_UDP - case SO_NO_CHECK: - *(int*)optval = (udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_NOCHKSUM) ? 1 : 0; - break; -#endif /* LWIP_UDP*/ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; - -/* Level: IPPROTO_IP */ - case IPPROTO_IP: - switch (optname) { - case IP_TTL: - *(int*)optval = sock->conn->pcb.ip->ttl; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TTL) = %d\n", - s, *(int *)optval)); - break; - case IP_TOS: - *(int*)optval = sock->conn->pcb.ip->tos; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TOS) = %d\n", - s, *(int *)optval)); - break; -#if LWIP_IGMP - case IP_MULTICAST_TTL: - *(u8_t*)optval = sock->conn->pcb.ip->ttl; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_TTL) = %d\n", - s, *(int *)optval)); - break; - case IP_MULTICAST_IF: - inet_addr_from_ipaddr((struct in_addr*)optval, &sock->conn->pcb.udp->multicast_ip); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"X32_F"\n", - s, *(u32_t *)optval)); - break; - case IP_MULTICAST_LOOP: - if ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) { - *(u8_t*)optval = 1; - } else { - *(u8_t*)optval = 0; - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n", - s, *(int *)optval)); - break; -#endif /* LWIP_IGMP */ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; - -#if LWIP_TCP -/* Level: IPPROTO_TCP */ - case IPPROTO_TCP: - switch (optname) { - case TCP_NODELAY: - *(int*)optval = tcp_nagle_disabled(sock->conn->pcb.tcp); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, TCP_NODELAY) = %s\n", - s, (*(int*)optval)?"on":"off") ); - break; - case TCP_KEEPALIVE: - *(int*)optval = (int)sock->conn->pcb.tcp->keep_idle; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPALIVE) = %d\n", - s, *(int *)optval)); - break; - -#if LWIP_TCP_KEEPALIVE - case TCP_KEEPIDLE: - *(int*)optval = (int)(sock->conn->pcb.tcp->keep_idle/1000); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPIDLE) = %d\n", - s, *(int *)optval)); - break; - case TCP_KEEPINTVL: - *(int*)optval = (int)(sock->conn->pcb.tcp->keep_intvl/1000); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPINTVL) = %d\n", - s, *(int *)optval)); - break; - case TCP_KEEPCNT: - *(int*)optval = (int)sock->conn->pcb.tcp->keep_cnt; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPCNT) = %d\n", - s, *(int *)optval)); - break; -#endif /* LWIP_TCP_KEEPALIVE */ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; -#endif /* LWIP_TCP */ -#if LWIP_UDP && LWIP_UDPLITE - /* Level: IPPROTO_UDPLITE */ - case IPPROTO_UDPLITE: - switch (optname) { - case UDPLITE_SEND_CSCOV: - *(int*)optval = sock->conn->pcb.udp->chksum_len_tx; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n", - s, (*(int*)optval)) ); - break; - case UDPLITE_RECV_CSCOV: - *(int*)optval = sock->conn->pcb.udp->chksum_len_rx; - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n", - s, (*(int*)optval)) ); - break; - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; -#endif /* LWIP_UDP */ - default: - LWIP_ASSERT("unhandled level", 0); - break; - } /* switch (level) */ - sys_sem_signal(&sock->conn->op_completed); -} - -int -lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen) -{ - struct lwip_sock *sock = get_socket(s); - err_t err = ERR_OK; - struct lwip_setgetsockopt_data data; - - if (!sock) { - return -1; - } - - if (NULL == optval) { - sock_set_errno(sock, EFAULT); - return -1; - } - - /* Do length and type checks for the various options first, to keep it readable. */ - switch (level) { - -/* Level: SOL_SOCKET */ - case SOL_SOCKET: - switch (optname) { - - case SO_BROADCAST: - /* UNIMPL case SO_DEBUG: */ - /* UNIMPL case SO_DONTROUTE: */ - case SO_KEEPALIVE: - /* UNIMPL case case SO_CONTIMEO: */ - /* UNIMPL case case SO_SNDTIMEO: */ -#if LWIP_SO_RCVTIMEO - case SO_RCVTIMEO: -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - case SO_RCVBUF: -#endif /* LWIP_SO_RCVBUF */ - /* UNIMPL case SO_OOBINLINE: */ - /* UNIMPL case SO_SNDBUF: */ - /* UNIMPL case SO_RCVLOWAT: */ - /* UNIMPL case SO_SNDLOWAT: */ -#if SO_REUSE - case SO_REUSEADDR: - case SO_REUSEPORT: -#endif /* SO_REUSE */ - /* UNIMPL case SO_USELOOPBACK: */ - if (optlen < sizeof(int)) { - err = EINVAL; - } - break; - case SO_NO_CHECK: - if (optlen < sizeof(int)) { - err = EINVAL; - } -#if LWIP_UDP - if ((sock->conn->type != NETCONN_UDP) || - ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) { - /* this flag is only available for UDP, not for UDP lite */ - err = EAFNOSUPPORT; - } -#endif /* LWIP_UDP */ - break; - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; - -/* Level: IPPROTO_IP */ - case IPPROTO_IP: - switch (optname) { - /* UNIMPL case IP_HDRINCL: */ - /* UNIMPL case IP_RCVDSTADDR: */ - /* UNIMPL case IP_RCVIF: */ - case IP_TTL: - case IP_TOS: - if (optlen < sizeof(int)) { - err = EINVAL; - } - break; -#if LWIP_IGMP - case IP_MULTICAST_TTL: - if (optlen < sizeof(u8_t)) { - err = EINVAL; - } - if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) { - err = EAFNOSUPPORT; - } - break; - case IP_MULTICAST_IF: - if (optlen < sizeof(struct in_addr)) { - err = EINVAL; - } - if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) { - err = EAFNOSUPPORT; - } - break; - case IP_MULTICAST_LOOP: - if (optlen < sizeof(u8_t)) { - err = EINVAL; - } - if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) { - err = EAFNOSUPPORT; - } - break; - case IP_ADD_MEMBERSHIP: - case IP_DROP_MEMBERSHIP: - if (optlen < sizeof(struct ip_mreq)) { - err = EINVAL; - } - if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) { - err = EAFNOSUPPORT; - } - break; -#endif /* LWIP_IGMP */ - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; - -#if LWIP_TCP -/* Level: IPPROTO_TCP */ - case IPPROTO_TCP: - if (optlen < sizeof(int)) { - err = EINVAL; - break; - } - - /* If this is no TCP socket, ignore any options. */ - if (sock->conn->type != NETCONN_TCP) - return 0; - - switch (optname) { - case TCP_NODELAY: - case TCP_KEEPALIVE: -#if LWIP_TCP_KEEPALIVE - case TCP_KEEPIDLE: - case TCP_KEEPINTVL: - case TCP_KEEPCNT: -#endif /* LWIP_TCP_KEEPALIVE */ - break; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; -#endif /* LWIP_TCP */ -#if LWIP_UDP && LWIP_UDPLITE -/* Level: IPPROTO_UDPLITE */ - case IPPROTO_UDPLITE: - if (optlen < sizeof(int)) { - err = EINVAL; - break; - } - - /* If this is no UDP lite socket, ignore any options. */ - if (sock->conn->type != NETCONN_UDPLITE) - return 0; - - switch (optname) { - case UDPLITE_SEND_CSCOV: - case UDPLITE_RECV_CSCOV: - break; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n", - s, optname)); - err = ENOPROTOOPT; - } /* switch (optname) */ - break; -#endif /* LWIP_UDP && LWIP_UDPLITE */ -/* UNDEFINED LEVEL */ - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n", - s, level, optname)); - err = ENOPROTOOPT; - } /* switch (level) */ - - - if (err != ERR_OK) { - sock_set_errno(sock, err); - return -1; - } - - - /* Now do the actual option processing */ - data.sock = sock; -#ifdef LWIP_DEBUG - data.s = s; -#endif /* LWIP_DEBUG */ - data.level = level; - data.optname = optname; - data.optval = (void*)optval; - data.optlen = &optlen; - data.err = err; - tcpip_callback(lwip_setsockopt_internal, &data); - sys_arch_sem_wait(&sock->conn->op_completed, 0); - /* maybe lwip_setsockopt_internal has changed err */ - err = data.err; - - sock_set_errno(sock, err); - return err ? -1 : 0; -} - -static void -lwip_setsockopt_internal(void *arg) -{ - struct lwip_sock *sock; -#ifdef LWIP_DEBUG - int s; -#endif /* LWIP_DEBUG */ - int level, optname; - const void *optval; - struct lwip_setgetsockopt_data *data; - - LWIP_ASSERT("arg != NULL", arg != NULL); - - data = (struct lwip_setgetsockopt_data*)arg; - sock = data->sock; -#ifdef LWIP_DEBUG - s = data->s; -#endif /* LWIP_DEBUG */ - level = data->level; - optname = data->optname; - optval = data->optval; - - switch (level) { - -/* Level: SOL_SOCKET */ - case SOL_SOCKET: - switch (optname) { - - /* The option flags */ - case SO_BROADCAST: - /* UNIMPL case SO_DEBUG: */ - /* UNIMPL case SO_DONTROUTE: */ - case SO_KEEPALIVE: - /* UNIMPL case SO_OOBINCLUDE: */ -#if SO_REUSE - case SO_REUSEADDR: - case SO_REUSEPORT: -#endif /* SO_REUSE */ - /* UNIMPL case SO_USELOOPBACK: */ - if (*(int*)optval) { - sock->conn->pcb.ip->so_options |= optname; - } else { - sock->conn->pcb.ip->so_options &= ~optname; - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n", - s, optname, (*(int*)optval?"on":"off"))); - break; -#if LWIP_SO_RCVTIMEO - case SO_RCVTIMEO: - netconn_set_recvtimeout(sock->conn, *(int*)optval); - break; -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - case SO_RCVBUF: - netconn_set_recvbufsize(sock->conn, *(int*)optval); - break; -#endif /* LWIP_SO_RCVBUF */ -#if LWIP_UDP - case SO_NO_CHECK: - if (*(int*)optval) { - udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_NOCHKSUM); - } else { - udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_NOCHKSUM); - } - break; -#endif /* LWIP_UDP */ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; - -/* Level: IPPROTO_IP */ - case IPPROTO_IP: - switch (optname) { - case IP_TTL: - sock->conn->pcb.ip->ttl = (u8_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TTL, ..) -> %d\n", - s, sock->conn->pcb.ip->ttl)); - break; - case IP_TOS: - sock->conn->pcb.ip->tos = (u8_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %d\n", - s, sock->conn->pcb.ip->tos)); - break; -#if LWIP_IGMP - case IP_MULTICAST_TTL: - sock->conn->pcb.udp->ttl = (u8_t)(*(u8_t*)optval); - break; - case IP_MULTICAST_IF: - inet_addr_to_ipaddr(&sock->conn->pcb.udp->multicast_ip, (struct in_addr*)optval); - break; - case IP_MULTICAST_LOOP: - if (*(u8_t*)optval) { - udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP); - } else { - udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP); - } - break; - case IP_ADD_MEMBERSHIP: - case IP_DROP_MEMBERSHIP: - { - /* If this is a TCP or a RAW socket, ignore these options. */ - struct ip_mreq *imr = (struct ip_mreq *)optval; - ip_addr_t if_addr; - ip_addr_t multi_addr; - inet_addr_to_ipaddr(&if_addr, &imr->imr_interface); - inet_addr_to_ipaddr(&multi_addr, &imr->imr_multiaddr); - if(optname == IP_ADD_MEMBERSHIP){ - data->err = igmp_joingroup(&if_addr, &multi_addr); - } else { - data->err = igmp_leavegroup(&if_addr, &multi_addr); - } - if(data->err != ERR_OK) { - data->err = EADDRNOTAVAIL; - } - } - break; -#endif /* LWIP_IGMP */ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; - -#if LWIP_TCP -/* Level: IPPROTO_TCP */ - case IPPROTO_TCP: - switch (optname) { - case TCP_NODELAY: - if (*(int*)optval) { - tcp_nagle_disable(sock->conn->pcb.tcp); - } else { - tcp_nagle_enable(sock->conn->pcb.tcp); - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) -> %s\n", - s, (*(int *)optval)?"on":"off") ); - break; - case TCP_KEEPALIVE: - sock->conn->pcb.tcp->keep_idle = (u32_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) -> %"U32_F"\n", - s, sock->conn->pcb.tcp->keep_idle)); - break; - -#if LWIP_TCP_KEEPALIVE - case TCP_KEEPIDLE: - sock->conn->pcb.tcp->keep_idle = 1000*(u32_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) -> %"U32_F"\n", - s, sock->conn->pcb.tcp->keep_idle)); - break; - case TCP_KEEPINTVL: - sock->conn->pcb.tcp->keep_intvl = 1000*(u32_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) -> %"U32_F"\n", - s, sock->conn->pcb.tcp->keep_intvl)); - break; - case TCP_KEEPCNT: - sock->conn->pcb.tcp->keep_cnt = (u32_t)(*(int*)optval); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) -> %"U32_F"\n", - s, sock->conn->pcb.tcp->keep_cnt)); - break; -#endif /* LWIP_TCP_KEEPALIVE */ - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; -#endif /* LWIP_TCP*/ -#if LWIP_UDP && LWIP_UDPLITE - /* Level: IPPROTO_UDPLITE */ - case IPPROTO_UDPLITE: - switch (optname) { - case UDPLITE_SEND_CSCOV: - if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) { - /* don't allow illegal values! */ - sock->conn->pcb.udp->chksum_len_tx = 8; - } else { - sock->conn->pcb.udp->chksum_len_tx = (u16_t)*(int*)optval; - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %d\n", - s, (*(int*)optval)) ); - break; - case UDPLITE_RECV_CSCOV: - if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) { - /* don't allow illegal values! */ - sock->conn->pcb.udp->chksum_len_rx = 8; - } else { - sock->conn->pcb.udp->chksum_len_rx = (u16_t)*(int*)optval; - } - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %d\n", - s, (*(int*)optval)) ); - break; - default: - LWIP_ASSERT("unhandled optname", 0); - break; - } /* switch (optname) */ - break; -#endif /* LWIP_UDP */ - default: - LWIP_ASSERT("unhandled level", 0); - break; - } /* switch (level) */ - sys_sem_signal(&sock->conn->op_completed); -} - -int -lwip_ioctl(int s, long cmd, void *argp) -{ - struct lwip_sock *sock = get_socket(s); - u8_t val; -#if LWIP_SO_RCVBUF - u16_t buflen = 0; - s16_t recv_avail; -#endif /* LWIP_SO_RCVBUF */ - - if (!sock) { - return -1; - } - - switch (cmd) { -#if LWIP_SO_RCVBUF - case FIONREAD: - if (!argp) { - sock_set_errno(sock, EINVAL); - return -1; - } - - SYS_ARCH_GET(sock->conn->recv_avail, recv_avail); - if (recv_avail < 0) { - recv_avail = 0; - } - *((u16_t*)argp) = (u16_t)recv_avail; - - /* Check if there is data left from the last recv operation. /maq 041215 */ - if (sock->lastdata) { - struct pbuf *p = (struct pbuf *)sock->lastdata; - if (netconn_type(sock->conn) != NETCONN_TCP) { - p = ((struct netbuf *)p)->p; - } - buflen = p->tot_len; - buflen -= sock->lastoffset; - - *((u16_t*)argp) += buflen; - } - - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONREAD, %p) = %"U16_F"\n", s, argp, *((u16_t*)argp))); - sock_set_errno(sock, 0); - return 0; -#endif /* LWIP_SO_RCVBUF */ - - case FIONBIO: - val = 0; - if (argp && *(u32_t*)argp) { - val = 1; - } - netconn_set_nonblocking(sock->conn, val); - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONBIO, %d)\n", s, val)); - sock_set_errno(sock, 0); - return 0; - - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n", s, cmd, argp)); - sock_set_errno(sock, ENOSYS); /* not yet implemented */ - return -1; - } /* switch (cmd) */ -} - -/** A minimal implementation of fcntl. - * Currently only the commands F_GETFL and F_SETFL are implemented. - * Only the flag O_NONBLOCK is implemented. - */ -int -lwip_fcntl(int s, int cmd, int val) -{ - struct lwip_sock *sock = get_socket(s); - int ret = -1; - - if (!sock || !sock->conn) { - return -1; - } - - switch (cmd) { - case F_GETFL: - ret = netconn_is_nonblocking(sock->conn) ? O_NONBLOCK : 0; - break; - case F_SETFL: - if ((val & ~O_NONBLOCK) == 0) { - /* only O_NONBLOCK, all other bits are zero */ - netconn_set_nonblocking(sock->conn, val & O_NONBLOCK); - ret = 0; - } - break; - default: - LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_fcntl(%d, UNIMPL: %d, %d)\n", s, cmd, val)); - break; - } - return ret; -} - -#endif /* LWIP_SOCKET */ diff --git a/tools/sdk/lwip/src/api/tcpip.c b/tools/sdk/lwip/src/api/tcpip.c deleted file mode 100644 index 01a49d5623..0000000000 --- a/tools/sdk/lwip/src/api/tcpip.c +++ /dev/null @@ -1,460 +0,0 @@ -/** - * @file - * Sequential API Main thread module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if !NO_SYS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sys.h" -#include "lwip/memp.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/tcpip.h" -#include "lwip/init.h" -#include "netif/etharp.h" -#include "netif/ppp_oe.h" - -/* global variables */ -static tcpip_init_done_fn tcpip_init_done; -static void *tcpip_init_done_arg; -static sys_mbox_t mbox; - -#if LWIP_TCPIP_CORE_LOCKING -/** The global semaphore to lock the stack. */ -sys_mutex_t lock_tcpip_core; -#endif /* LWIP_TCPIP_CORE_LOCKING */ - - -/** - * The main lwIP thread. This thread has exclusive access to lwIP core functions - * (unless access to them is not locked). Other threads communicate with this - * thread using message boxes. - * - * It also starts all the timers to make sure they are running in the right - * thread context. - * - * @param arg unused argument - */ -static void -tcpip_thread(void *arg) -{ - struct tcpip_msg *msg; - LWIP_UNUSED_ARG(arg); - - if (tcpip_init_done != NULL) {//Óû§×¢²áÁË×Ô¶¨Òå³õʼ»¯º¯Êý - tcpip_init_done(tcpip_init_done_arg); - } - - LOCK_TCPIP_CORE(); - while (1) { /* MAIN Loop */ - UNLOCK_TCPIP_CORE(); - LWIP_TCPIP_THREAD_ALIVE(); - /* wait for a message, timeouts are processed while waiting */ - sys_timeouts_mbox_fetch(&mbox, (void **)&msg); - LOCK_TCPIP_CORE(); - switch (msg->type) { -#if LWIP_NETCONN - case TCPIP_MSG_API://APIµ÷Óà - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg)); - msg->msg.apimsg->function(&(msg->msg.apimsg->msg)); - break; -#endif /* LWIP_NETCONN */ - -#if !LWIP_TCPIP_CORE_LOCKING_INPUT - case TCPIP_MSG_INPKT://µ×²ãÊý¾Ý°üÊäÈë - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg)); -#if LWIP_ETHERNET - if (msg->msg.inp.netif->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) {//Ö§³ÖARP - ethernet_input(msg->msg.inp.p, msg->msg.inp.netif);//½»¸øARP´¦Àí - } else -#endif /* LWIP_ETHERNET */ - { - ip_input(msg->msg.inp.p, msg->msg.inp.netif);//½»¸øIP´¦Àí - } - memp_free(MEMP_TCPIP_MSG_INPKT, msg); - break; -#endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */ - -#if LWIP_NETIF_API - case TCPIP_MSG_NETIFAPI: - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: Netif API message %p\n", (void *)msg)); - msg->msg.netifapimsg->function(&(msg->msg.netifapimsg->msg)); - break; -#endif /* LWIP_NETIF_API */ - - case TCPIP_MSG_CALLBACK://Éϲã»Øµ÷·½Ê½Ö´ÐÐÒ»¸öº¯Êý - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg)); - msg->msg.cb.function(msg->msg.cb.ctx); - memp_free(MEMP_TCPIP_MSG_API, msg); - break; - -#if LWIP_TCPIP_TIMEOUT - case TCPIP_MSG_TIMEOUT://Éϲã×¢²áÒ»¸ö¶¨Ê±Ê¼þ - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg)); - sys_timeout(msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg); - memp_free(MEMP_TCPIP_MSG_API, msg); - break; - case TCPIP_MSG_UNTIMEOUT://Éϲãɾ³ýÒ»¸ö¶¨Ê±Ê¼þ - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: UNTIMEOUT %p\n", (void *)msg)); - sys_untimeout(msg->msg.tmo.h, msg->msg.tmo.arg); - memp_free(MEMP_TCPIP_MSG_API, msg); - break; -#endif /* LWIP_TCPIP_TIMEOUT */ - - default: - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: invalid message: %d\n", msg->type)); - LWIP_ASSERT("tcpip_thread: invalid message", 0); - break; - } - } -} - -/** - * Pass a received packet to tcpip_thread for input processing - * - * @param p the received packet, p->payload pointing to the Ethernet header or - * to an IP header (if inp doesn't have NETIF_FLAG_ETHARP or - * NETIF_FLAG_ETHERNET flags) - * @param inp the network interface on which the packet was received - */ -err_t -tcpip_input(struct pbuf *p, struct netif *inp) -{ -#if LWIP_TCPIP_CORE_LOCKING_INPUT - err_t ret; - LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_input: PACKET %p/%p\n", (void *)p, (void *)inp)); - LOCK_TCPIP_CORE(); -#if LWIP_ETHERNET - if (inp->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) { - ret = ethernet_input(p, inp); - } else -#endif /* LWIP_ETHERNET */ - { - ret = ip_input(p, inp); - } - UNLOCK_TCPIP_CORE(); - return ret; -#else /* LWIP_TCPIP_CORE_LOCKING_INPUT */ - struct tcpip_msg *msg; - - if (sys_mbox_valid(&mbox)) { - msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_INPKT); - if (msg == NULL) { - return ERR_MEM; - } - - msg->type = TCPIP_MSG_INPKT; - msg->msg.inp.p = p; - msg->msg.inp.netif = inp; - if (sys_mbox_trypost(&mbox, msg) != ERR_OK) { - memp_free(MEMP_TCPIP_MSG_INPKT, msg); - return ERR_MEM; - } - return ERR_OK; - } - return ERR_VAL; -#endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */ -} - -/** - * Call a specific function in the thread context of - * tcpip_thread for easy access synchronization. - * A function called in that way may access lwIP core code - * without fearing concurrent access. - * - * @param f the function to call - * @param ctx parameter passed to f - * @param block 1 to block until the request is posted, 0 to non-blocking mode - * @return ERR_OK if the function was called, another err_t if not - */ -err_t -tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block) -{ - struct tcpip_msg *msg; - - if (sys_mbox_valid(&mbox)) { - msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); - if (msg == NULL) { - return ERR_MEM; - } - - msg->type = TCPIP_MSG_CALLBACK; - msg->msg.cb.function = function; - msg->msg.cb.ctx = ctx; - if (block) { - sys_mbox_post(&mbox, msg); - } else { - if (sys_mbox_trypost(&mbox, msg) != ERR_OK) { - memp_free(MEMP_TCPIP_MSG_API, msg); - return ERR_MEM; - } - } - return ERR_OK; - } - return ERR_VAL; -} - -#if LWIP_TCPIP_TIMEOUT -/** - * call sys_timeout in tcpip_thread - * - * @param msec time in milliseconds for timeout - * @param h function to be called on timeout - * @param arg argument to pass to timeout function h - * @return ERR_MEM on memory error, ERR_OK otherwise - */ -err_t -tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg) -{ - struct tcpip_msg *msg; - - if (sys_mbox_valid(&mbox)) { - msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); - if (msg == NULL) { - return ERR_MEM; - } - - msg->type = TCPIP_MSG_TIMEOUT; - msg->msg.tmo.msecs = msecs; - msg->msg.tmo.h = h; - msg->msg.tmo.arg = arg; - sys_mbox_post(&mbox, msg); - return ERR_OK; - } - return ERR_VAL; -} - -/** - * call sys_untimeout in tcpip_thread - * - * @param msec time in milliseconds for timeout - * @param h function to be called on timeout - * @param arg argument to pass to timeout function h - * @return ERR_MEM on memory error, ERR_OK otherwise - */ -err_t -tcpip_untimeout(sys_timeout_handler h, void *arg) -{ - struct tcpip_msg *msg; - - if (sys_mbox_valid(&mbox)) { - msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API); - if (msg == NULL) { - return ERR_MEM; - } - - msg->type = TCPIP_MSG_UNTIMEOUT; - msg->msg.tmo.h = h; - msg->msg.tmo.arg = arg; - sys_mbox_post(&mbox, msg); - return ERR_OK; - } - return ERR_VAL; -} -#endif /* LWIP_TCPIP_TIMEOUT */ - -#if LWIP_NETCONN -/** - * Call the lower part of a netconn_* function - * This function is then running in the thread context - * of tcpip_thread and has exclusive access to lwIP core code. - * - * @param apimsg a struct containing the function to call and its parameters - * @return ERR_OK if the function was called, another err_t if not - */ -err_t -tcpip_apimsg(struct api_msg *apimsg) -{ - struct tcpip_msg msg; -#ifdef LWIP_DEBUG - /* catch functions that don't set err */ - apimsg->msg.err = ERR_VAL; -#endif - - if (sys_mbox_valid(&mbox)) {//ÄÚºËÓÊÏäÓÐЧ - msg.type = TCPIP_MSG_API; - msg.msg.apimsg = apimsg; - sys_mbox_post(&mbox, &msg);//ͶµÝÏûÏ¢ - sys_arch_sem_wait(&apimsg->msg.conn->op_completed, 0);//µÈ´ýÏûÏ¢´¦ÀíÍê±Ï - return apimsg->msg.err; - } - return ERR_VAL; -} - -#if LWIP_TCPIP_CORE_LOCKING -/** - * Call the lower part of a netconn_* function - * This function has exclusive access to lwIP core code by locking it - * before the function is called. - * - * @param apimsg a struct containing the function to call and its parameters - * @return ERR_OK (only for compatibility fo tcpip_apimsg()) - */ -err_t -tcpip_apimsg_lock(struct api_msg *apimsg) -{ -#ifdef LWIP_DEBUG - /* catch functions that don't set err */ - apimsg->msg.err = ERR_VAL; -#endif - - LOCK_TCPIP_CORE(); - apimsg->function(&(apimsg->msg)); - UNLOCK_TCPIP_CORE(); - return apimsg->msg.err; - -} -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETCONN */ - -#if LWIP_NETIF_API -#if !LWIP_TCPIP_CORE_LOCKING -/** - * Much like tcpip_apimsg, but calls the lower part of a netifapi_* - * function. - * - * @param netifapimsg a struct containing the function to call and its parameters - * @return error code given back by the function that was called - */ -err_t -tcpip_netifapi(struct netifapi_msg* netifapimsg) -{ - struct tcpip_msg msg; - - if (sys_mbox_valid(&mbox)) { - err_t err = sys_sem_new(&netifapimsg->msg.sem, 0); - if (err != ERR_OK) { - netifapimsg->msg.err = err; - return err; - } - - msg.type = TCPIP_MSG_NETIFAPI; - msg.msg.netifapimsg = netifapimsg; - sys_mbox_post(&mbox, &msg); - sys_sem_wait(&netifapimsg->msg.sem); - sys_sem_free(&netifapimsg->msg.sem); - return netifapimsg->msg.err; - } - return ERR_VAL; -} -#else /* !LWIP_TCPIP_CORE_LOCKING */ -/** - * Call the lower part of a netifapi_* function - * This function has exclusive access to lwIP core code by locking it - * before the function is called. - * - * @param netifapimsg a struct containing the function to call and its parameters - * @return ERR_OK (only for compatibility fo tcpip_netifapi()) - */ -err_t -tcpip_netifapi_lock(struct netifapi_msg* netifapimsg) -{ - LOCK_TCPIP_CORE(); - netifapimsg->function(&(netifapimsg->msg)); - UNLOCK_TCPIP_CORE(); - return netifapimsg->msg.err; -} -#endif /* !LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETIF_API */ - -/** - * Initialize this module: - * - initialize all sub modules - * - start the tcpip_thread - * - * @param initfunc a function to call when tcpip_thread is running and finished initializing - * @param arg argument to pass to initfunc - */ -void -tcpip_init(tcpip_init_done_fn initfunc, void *arg) -{ - lwip_init();//³õʼ»¯ÄÚºË - - tcpip_init_done = initfunc;//×¢²áÓû§×Ô¶¨Ò庯Êý - tcpip_init_done_arg = arg;//º¯Êý²ÎÊý - if(sys_mbox_new(&mbox, TCPIP_MBOX_SIZE) != ERR_OK) {//´´½¨ÄÚºËÓÊÏä - LWIP_ASSERT("failed to create tcpip_thread mbox", 0); - } -#if LWIP_TCPIP_CORE_LOCKING - if(sys_mutex_new(&lock_tcpip_core) != ERR_OK) { - LWIP_ASSERT("failed to create lock_tcpip_core", 0); - } -#endif /* LWIP_TCPIP_CORE_LOCKING */ - - sys_thread_new(TCPIP_THREAD_NAME, tcpip_thread, NULL, TCPIP_THREAD_STACKSIZE, TCPIP_THREAD_PRIO);//´´½¨Äں˽ø³Ì -} - -/** - * Simple callback function used with tcpip_callback to free a pbuf - * (pbuf_free has a wrong signature for tcpip_callback) - * - * @param p The pbuf (chain) to be dereferenced. - */ -static void -pbuf_free_int(void *p) -{ - struct pbuf *q = (struct pbuf *)p; - pbuf_free(q); -} - -/** - * A simple wrapper function that allows you to free a pbuf from interrupt context. - * - * @param p The pbuf (chain) to be dereferenced. - * @return ERR_OK if callback could be enqueued, an err_t if not - */ -err_t -pbuf_free_callback(struct pbuf *p) -{ - return tcpip_callback_with_block(pbuf_free_int, p, 0); -} - -/** - * A simple wrapper function that allows you to free heap memory from - * interrupt context. - * - * @param m the heap memory to free - * @return ERR_OK if callback could be enqueued, an err_t if not - */ -err_t -mem_free_callback(void *m) -{ - return tcpip_callback_with_block(mem_free, m, 0); -} - -#endif /* !NO_SYS */ diff --git a/tools/sdk/lwip/src/app/dhcpserver.c b/tools/sdk/lwip/src/app/dhcpserver.c deleted file mode 100644 index 7463922144..0000000000 --- a/tools/sdk/lwip/src/app/dhcpserver.c +++ /dev/null @@ -1,1170 +0,0 @@ -#include "lwip/inet.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/udp.h" -#include "lwip/mem.h" -#include "osapi.h" -#include "lwip/app/dhcpserver.h" - -#ifndef LWIP_OPEN_SRC -#include "net80211/ieee80211_var.h" -#endif - -#include "user_interface.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -//////////////////////////////////////////////////////////////////////////////////// -//static const uint8_t xid[4] = {0xad, 0xde, 0x12, 0x23}; -//static u8_t old_xid[4] = {0}; -static const uint32 magic_cookie ICACHE_RODATA_ATTR = 0x63538263; -static struct udp_pcb *pcb_dhcps = NULL; -static struct ip_addr broadcast_dhcps; -static struct ip_addr server_address; -static struct ip_addr client_address;//added - -static struct dhcps_lease dhcps_lease; -//static bool dhcps_lease_flag = true; -static list_node *plist = NULL; -static uint8 offer = 0xFF; -static bool renew = false; -#define DHCPS_LEASE_TIME_DEF (120) -uint32 dhcps_lease_time = DHCPS_LEASE_TIME_DEF; //minute - -void wifi_softap_dhcps_client_leave(u8 *bssid, struct ip_addr *ip,bool force); -uint32 wifi_softap_dhcps_client_update(u8 *bssid, struct ip_addr *ip); - -/****************************************************************************** - * FunctionName : node_insert_to_list - * Description : insert the node to the list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR node_insert_to_list(list_node **phead, list_node* pinsert) -{ - list_node *plist = NULL; - struct dhcps_pool *pdhcps_pool = NULL; - struct dhcps_pool *pdhcps_node = NULL; - if (*phead == NULL) - *phead = pinsert; - else { - plist = *phead; - pdhcps_node = pinsert->pnode; - pdhcps_pool = plist->pnode; - - if(pdhcps_node->ip.addr < pdhcps_pool->ip.addr) { - pinsert->pnext = plist; - *phead = pinsert; - } else { - while (plist->pnext != NULL) { - pdhcps_pool = plist->pnext->pnode; - if (pdhcps_node->ip.addr < pdhcps_pool->ip.addr) { - pinsert->pnext = plist->pnext; - plist->pnext = pinsert; - break; - } - plist = plist->pnext; - } - - if(plist->pnext == NULL) { - plist->pnext = pinsert; - } - } - } -// pinsert->pnext = NULL; -} - -/****************************************************************************** - * FunctionName : node_delete_from_list - * Description : remove the node from list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR node_remove_from_list(list_node **phead, list_node* pdelete) -{ - list_node *plist = NULL; - - plist = *phead; - if (plist == NULL){ - *phead = NULL; - } else { - if (plist == pdelete){ - *phead = plist->pnext; - pdelete->pnext = NULL; - } else { - while (plist != NULL) { - if (plist->pnext == pdelete){ - plist->pnext = pdelete->pnext; - pdelete->pnext = NULL; - } - plist = plist->pnext; - } - } - } -} - -/////////////////////////////////////////////////////////////////////////////////// -/* - * ��DHCP msg��Ϣ�ṹ���������� - * - * @param optptr -- DHCP msg��Ϣλ�� - * @param type -- Ҫ��ӵ�����option - * - * @return uint8_t* ����DHCP msgƫ�Ƶ�ַ - */ -/////////////////////////////////////////////////////////////////////////////////// -static uint8_t* ICACHE_FLASH_ATTR add_msg_type(uint8_t *optptr, uint8_t type) -{ - - *optptr++ = DHCP_OPTION_MSG_TYPE; - *optptr++ = 1; - *optptr++ = type; - return optptr; -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ��DHCP msg�ṹ������offerӦ������ - * - * @param optptr -- DHCP msg��Ϣλ�� - * - * @return uint8_t* ����DHCP msgƫ�Ƶ�ַ - */ -/////////////////////////////////////////////////////////////////////////////////// -static uint8_t* ICACHE_FLASH_ATTR add_offer_options(uint8_t *optptr) -{ - struct ip_addr ipadd; - - ipadd.addr = *( (uint32_t *) &server_address); - - struct ip_info if_ip; - os_bzero(&if_ip, sizeof(struct ip_info)); - wifi_get_ip_info(SOFTAP_IF, &if_ip); - - *optptr++ = DHCP_OPTION_SUBNET_MASK; - *optptr++ = 4; - *optptr++ = ip4_addr1( &if_ip.netmask); - *optptr++ = ip4_addr2( &if_ip.netmask); - *optptr++ = ip4_addr3( &if_ip.netmask); - *optptr++ = ip4_addr4( &if_ip.netmask); - - *optptr++ = DHCP_OPTION_LEASE_TIME; - *optptr++ = 4; - *optptr++ = ((DHCPS_LEASE_TIMER * 60) >> 24) & 0xFF; - *optptr++ = ((DHCPS_LEASE_TIMER * 60) >> 16) & 0xFF; - *optptr++ = ((DHCPS_LEASE_TIMER * 60) >> 8) & 0xFF; - *optptr++ = ((DHCPS_LEASE_TIMER * 60) >> 0) & 0xFF; - - *optptr++ = DHCP_OPTION_SERVER_ID; - *optptr++ = 4; - *optptr++ = ip4_addr1( &ipadd); - *optptr++ = ip4_addr2( &ipadd); - *optptr++ = ip4_addr3( &ipadd); - *optptr++ = ip4_addr4( &ipadd); - - if (dhcps_router_enabled(offer)){ - *optptr++ = DHCP_OPTION_ROUTER; - *optptr++ = 4; - *optptr++ = ip4_addr1( &if_ip.gw); - *optptr++ = ip4_addr2( &if_ip.gw); - *optptr++ = ip4_addr3( &if_ip.gw); - *optptr++ = ip4_addr4( &if_ip.gw); - } - -#ifdef USE_DNS - *optptr++ = DHCP_OPTION_DNS_SERVER; - *optptr++ = 4; - *optptr++ = ip4_addr1( &ipadd); - *optptr++ = ip4_addr2( &ipadd); - *optptr++ = ip4_addr3( &ipadd); - *optptr++ = ip4_addr4( &ipadd); -#endif - -#ifdef CLASS_B_NET - *optptr++ = DHCP_OPTION_BROADCAST_ADDRESS; - *optptr++ = 4; - *optptr++ = ip4_addr1( &ipadd); - *optptr++ = 255; - *optptr++ = 255; - *optptr++ = 255; -#else - *optptr++ = DHCP_OPTION_BROADCAST_ADDRESS; - *optptr++ = 4; - *optptr++ = ip4_addr1( &ipadd); - *optptr++ = ip4_addr2( &ipadd); - *optptr++ = ip4_addr3( &ipadd); - *optptr++ = 255; -#endif - - *optptr++ = DHCP_OPTION_INTERFACE_MTU; - *optptr++ = 2; -#ifdef CLASS_B_NET - *optptr++ = 0x05; - *optptr++ = 0xdc; -#else - *optptr++ = 0x02; - *optptr++ = 0x40; -#endif - - *optptr++ = DHCP_OPTION_PERFORM_ROUTER_DISCOVERY; - *optptr++ = 1; - *optptr++ = 0x00; - - *optptr++ = 43; - *optptr++ = 6; - - *optptr++ = 0x01; - *optptr++ = 4; - *optptr++ = 0x00; - *optptr++ = 0x00; - *optptr++ = 0x00; - *optptr++ = 0x02; - - return optptr; -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ��DHCP msg�ṹ����ӽ����־���� - * - * @param optptr -- DHCP msg��Ϣλ�� - * - * @return uint8_t* ����DHCP msgƫ�Ƶ�ַ - */ -/////////////////////////////////////////////////////////////////////////////////// -static uint8_t* ICACHE_FLASH_ATTR add_end(uint8_t *optptr) -{ - - *optptr++ = DHCP_OPTION_END; - return optptr; -} -/////////////////////////////////////////////////////////////////////////////////// -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR create_msg(struct dhcps_msg *m) -{ - struct ip_addr client; - - client.addr = client_address.addr; - - m->op = DHCP_REPLY; - m->htype = DHCP_HTYPE_ETHERNET; - m->hlen = 6; - m->hops = 0; -// os_memcpy((char *) xid, (char *) m->xid, sizeof(m->xid)); - m->secs = 0; - m->flags = htons(BOOTP_BROADCAST); - - os_memcpy((char *) m->yiaddr, (char *) &client.addr, sizeof(m->yiaddr)); - - os_memset((char *) m->ciaddr, 0, sizeof(m->ciaddr)); - os_memset((char *) m->siaddr, 0, sizeof(m->siaddr)); - os_memset((char *) m->giaddr, 0, sizeof(m->giaddr)); - os_memset((char *) m->sname, 0, sizeof(m->sname)); - os_memset((char *) m->file, 0, sizeof(m->file)); - - os_memset((char *) m->options, 0, sizeof(m->options)); - -//For xiaomi crash bug - uint32 magic_cookie1 = magic_cookie; - os_memcpy((char *) m->options, &magic_cookie1, sizeof(magic_cookie1)); -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ����һ��OFFER - * - * @param -- m ָ����Ҫ���͵�DHCP msg���� - */ -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR send_offer(struct dhcps_msg *m) -{ - uint8_t *end; - struct pbuf *p, *q; - u8_t *data; - u16_t cnt=0; - u16_t i; - err_t SendOffer_err_t; - create_msg(m); - - end = add_msg_type(&m->options[4], DHCPOFFER); - end = add_offer_options(end); - end = add_end(end); - - p = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcps_msg), PBUF_RAM); -#if DHCPS_DEBUG - os_printf("udhcp: send_offer>>p->ref = %d\n", p->ref); -#endif - if(p != NULL){ - -#if DHCPS_DEBUG - os_printf("dhcps: send_offer>>pbuf_alloc succeed\n"); - os_printf("dhcps: send_offer>>p->tot_len = %d\n", p->tot_len); - os_printf("dhcps: send_offer>>p->len = %d\n", p->len); -#endif - q = p; - while(q != NULL){ - data = (u8_t *)q->payload; - for(i=0; ilen; i++) - { - data[i] = ((u8_t *) m)[cnt++]; - } - - q = q->next; - } - }else{ - -#if DHCPS_DEBUG - os_printf("dhcps: send_offer>>pbuf_alloc failed\n"); -#endif - return; - } - SendOffer_err_t = udp_sendto( pcb_dhcps, p, &broadcast_dhcps, DHCPS_CLIENT_PORT ); -#if DHCPS_DEBUG - os_printf("dhcps: send_offer>>udp_sendto result %x\n",SendOffer_err_t); -#endif - if(p->ref != 0){ -#if DHCPS_DEBUG - os_printf("udhcp: send_offer>>free pbuf\n"); -#endif - pbuf_free(p); - } -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ����һ��NAK��Ϣ - * - * @param m ָ����Ҫ���͵�DHCP msg���� - */ -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR send_nak(struct dhcps_msg *m) -{ - - u8_t *end; - struct pbuf *p, *q; - u8_t *data; - u16_t cnt=0; - u16_t i; - err_t SendNak_err_t; - create_msg(m); - - end = add_msg_type(&m->options[4], DHCPNAK); - end = add_end(end); - - p = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcps_msg), PBUF_RAM); -#if DHCPS_DEBUG - os_printf("udhcp: send_nak>>p->ref = %d\n", p->ref); -#endif - if(p != NULL){ - -#if DHCPS_DEBUG - os_printf("dhcps: send_nak>>pbuf_alloc succeed\n"); - os_printf("dhcps: send_nak>>p->tot_len = %d\n", p->tot_len); - os_printf("dhcps: send_nak>>p->len = %d\n", p->len); -#endif - q = p; - while(q != NULL){ - data = (u8_t *)q->payload; - for(i=0; ilen; i++) - { - data[i] = ((u8_t *) m)[cnt++]; - } - - q = q->next; - } - }else{ - -#if DHCPS_DEBUG - os_printf("dhcps: send_nak>>pbuf_alloc failed\n"); -#endif - return; - } - SendNak_err_t = udp_sendto( pcb_dhcps, p, &broadcast_dhcps, DHCPS_CLIENT_PORT ); -#if DHCPS_DEBUG - os_printf("dhcps: send_nak>>udp_sendto result %x\n",SendNak_err_t); -#endif - if(p->ref != 0){ -#if DHCPS_DEBUG - os_printf("udhcp: send_nak>>free pbuf\n"); -#endif - pbuf_free(p); - } -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ����һ��ACK��DHCP�ͻ��� - * - * @param m ָ����Ҫ���͵�DHCP msg���� - */ -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR send_ack(struct dhcps_msg *m) -{ - - u8_t *end; - struct pbuf *p, *q; - u8_t *data; - u16_t cnt=0; - u16_t i; - err_t SendAck_err_t; - create_msg(m); - - end = add_msg_type(&m->options[4], DHCPACK); - end = add_offer_options(end); - end = add_end(end); - - p = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcps_msg), PBUF_RAM); -#if DHCPS_DEBUG - os_printf("udhcp: send_ack>>p->ref = %d\n", p->ref); -#endif - if(p != NULL){ - -#if DHCPS_DEBUG - os_printf("dhcps: send_ack>>pbuf_alloc succeed\n"); - os_printf("dhcps: send_ack>>p->tot_len = %d\n", p->tot_len); - os_printf("dhcps: send_ack>>p->len = %d\n", p->len); -#endif - q = p; - while(q != NULL){ - data = (u8_t *)q->payload; - for(i=0; ilen; i++) - { - data[i] = ((u8_t *) m)[cnt++]; - } - - q = q->next; - } - }else{ - -#if DHCPS_DEBUG - os_printf("dhcps: send_ack>>pbuf_alloc failed\n"); -#endif - return; - } - SendAck_err_t = udp_sendto( pcb_dhcps, p, &broadcast_dhcps, DHCPS_CLIENT_PORT ); -#if DHCPS_DEBUG - os_printf("dhcps: send_ack>>udp_sendto result %x\n",SendAck_err_t); -#endif - - if(p->ref != 0){ -#if DHCPS_DEBUG - os_printf("udhcp: send_ack>>free pbuf\n"); -#endif - pbuf_free(p); - } -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * ����DHCP�ͻ��˷�����DHCP����������Ϣ�����Բ�ͬ��DHCP��������������Ӧ��Ӧ�� - * - * @param optptr DHCP msg��������� - * @param len ��������Ĵ��?(byte) - * - * @return uint8_t ���ش�����DHCP Server״ֵ̬ - */ -/////////////////////////////////////////////////////////////////////////////////// -static uint8_t ICACHE_FLASH_ATTR parse_options(uint8_t *optptr, sint16_t len) -{ - struct ip_addr client; - bool is_dhcp_parse_end = false; - struct dhcps_state s; - - client.addr = *( (uint32_t *) &client_address);// Ҫ�����DHCP�ͻ��˵�IP - - u8_t *end = optptr + len; - u16_t type = 0; - - s.state = DHCPS_STATE_IDLE; - - while (optptr < end) { -#if DHCPS_DEBUG - os_printf("dhcps: (sint16_t)*optptr = %d\n", (sint16_t)*optptr); -#endif - switch ((sint16_t) *optptr) { - - case DHCP_OPTION_MSG_TYPE: //53 - type = *(optptr + 2); - break; - - case DHCP_OPTION_REQ_IPADDR://50 - //os_printf("dhcps:0x%08x,0x%08x\n",client.addr,*(uint32*)(optptr+2)); - if( os_memcmp( (char *) &client.addr, (char *) optptr+2,4)==0 ) { -#if DHCPS_DEBUG - os_printf("dhcps: DHCP_OPTION_REQ_IPADDR = 0 ok\n"); -#endif - s.state = DHCPS_STATE_ACK; - }else { -#if DHCPS_DEBUG - os_printf("dhcps: DHCP_OPTION_REQ_IPADDR != 0 err\n"); -#endif - s.state = DHCPS_STATE_NAK; - } - break; - case DHCP_OPTION_END: - { - is_dhcp_parse_end = true; - } - break; - } - - if(is_dhcp_parse_end){ - break; - } - - optptr += optptr[1] + 2; - } - - switch (type){ - case DHCPDISCOVER://1 - s.state = DHCPS_STATE_OFFER; -#if DHCPS_DEBUG - os_printf("dhcps: DHCPD_STATE_OFFER\n"); -#endif - break; - - case DHCPREQUEST://3 - if ( !(s.state == DHCPS_STATE_ACK || s.state == DHCPS_STATE_NAK) ) { - if(renew == true) { - s.state = DHCPS_STATE_ACK; - } else { - s.state = DHCPS_STATE_NAK; - } -#if DHCPS_DEBUG - os_printf("dhcps: DHCPD_STATE_NAK\n"); -#endif - } - break; - - case DHCPDECLINE://4 - s.state = DHCPS_STATE_IDLE; -#if DHCPS_DEBUG - os_printf("dhcps: DHCPD_STATE_IDLE\n"); -#endif - break; - - case DHCPRELEASE://7 - s.state = DHCPS_STATE_RELEASE; -#if DHCPS_DEBUG - os_printf("dhcps: DHCPD_STATE_IDLE\n"); -#endif - break; - } -#if DHCPS_DEBUG - os_printf("dhcps: return s.state = %d\n", s.state); -#endif - return s.state; -} -/////////////////////////////////////////////////////////////////////////////////// -/////////////////////////////////////////////////////////////////////////////////// -static sint16_t ICACHE_FLASH_ATTR parse_msg(struct dhcps_msg *m, u16_t len) -{ - if(os_memcmp((char *)m->options, - &magic_cookie, - sizeof(magic_cookie)) == 0){ - struct ip_addr ip; - os_memcpy(&ip.addr,m->ciaddr,sizeof(ip.addr)); - client_address.addr = wifi_softap_dhcps_client_update(m->chaddr,&ip); - - sint16_t ret = parse_options(&m->options[4], len); - - if(ret == DHCPS_STATE_RELEASE) { - wifi_softap_dhcps_client_leave(m->chaddr,&ip,TRUE); // force to delete - client_address.addr = ip.addr; - } - - return ret; - } - return 0; -} -/////////////////////////////////////////////////////////////////////////////////// -/* - * DHCP ��������ݰ���մ���ص�����˺�����LWIP UDPģ������ʱ������ - * ��Ҫ����udp_recv()������LWIP����ע��. - * - * @param arg - * @param pcb ���յ�UDP��Ŀ��ƿ�? - * @param p ���յ���UDP��������? - * @param addr ���ʹ�UDP���Դ�����IP��ַ - * @param port ���ʹ�UDP���Դ�����UDPͨ���˿ں� - */ -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR handle_dhcp(void *arg, - struct udp_pcb *pcb, - struct pbuf *p, - struct ip_addr *addr, - uint16_t port) -{ - struct dhcps_msg *pmsg_dhcps = NULL; - sint16_t tlen = 0; - u16_t i = 0; - u16_t dhcps_msg_cnt = 0; - u8_t *p_dhcps_msg = NULL; - u8_t *data = NULL; - -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> receive a packet\n"); -#endif - if (p==NULL) return; - - pmsg_dhcps = (struct dhcps_msg *)os_zalloc(sizeof(struct dhcps_msg)); - if (NULL == pmsg_dhcps){ - pbuf_free(p); - return; - } - p_dhcps_msg = (u8_t *)pmsg_dhcps; - tlen = p->tot_len; - data = p->payload; - -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> p->tot_len = %d\n", tlen); - os_printf("dhcps: handle_dhcp-> p->len = %d\n", p->len); -#endif - - for(i=0; ilen; i++){ - p_dhcps_msg[dhcps_msg_cnt++] = data[i]; - } - - if(p->next != NULL) { -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> p->next != NULL\n"); - os_printf("dhcps: handle_dhcp-> p->next->tot_len = %d\n",p->next->tot_len); - os_printf("dhcps: handle_dhcp-> p->next->len = %d\n",p->next->len); -#endif - - data = p->next->payload; - for(i=0; inext->len; i++){ - p_dhcps_msg[dhcps_msg_cnt++] = data[i]; - } - } - - /* - * DHCP �ͻ���������Ϣ���� - */ -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> parse_msg(p)\n"); -#endif - - switch(parse_msg(pmsg_dhcps, tlen - 240)) { - - case DHCPS_STATE_OFFER://1 -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> DHCPD_STATE_OFFER\n"); -#endif - send_offer(pmsg_dhcps); - break; - case DHCPS_STATE_ACK://3 -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> DHCPD_STATE_ACK\n"); -#endif - send_ack(pmsg_dhcps); - break; - case DHCPS_STATE_NAK://4 -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> DHCPD_STATE_NAK\n"); -#endif - send_nak(pmsg_dhcps); - break; - default : - break; - } -#if DHCPS_DEBUG - os_printf("dhcps: handle_dhcp-> pbuf_free(p)\n"); -#endif - pbuf_free(p); - os_free(pmsg_dhcps); - pmsg_dhcps = NULL; -} -/////////////////////////////////////////////////////////////////////////////////// -static void ICACHE_FLASH_ATTR wifi_softap_init_dhcps_lease(uint32 ip) -{ - uint32 softap_ip = 0,local_ip = 0; - uint32 start_ip = 0; - uint32 end_ip = 0; -// if (dhcps_lease_flag) { - if (dhcps_lease.enable == TRUE) { - softap_ip = htonl(ip); - start_ip = htonl(dhcps_lease.start_ip.addr); - end_ip = htonl(dhcps_lease.end_ip.addr); - /*config ip information can't contain local ip*/ - if ((start_ip <= softap_ip) && (softap_ip <= end_ip)) { - dhcps_lease.enable = FALSE; - } else { - /*config ip information must be in the same segment as the local ip*/ - softap_ip >>= 8; - if (((start_ip >> 8 != softap_ip) || (end_ip >> 8 != softap_ip)) - || (end_ip - start_ip > DHCPS_MAX_LEASE)) { - dhcps_lease.enable = FALSE; - } - } - } - - if (dhcps_lease.enable == FALSE) { - local_ip = softap_ip = htonl(ip); - softap_ip &= 0xFFFFFF00; - local_ip &= 0xFF; - if (local_ip >= 0x80) - local_ip -= DHCPS_MAX_LEASE; - else - local_ip ++; - - os_bzero(&dhcps_lease, sizeof(dhcps_lease)); - dhcps_lease.start_ip.addr = softap_ip | local_ip; - dhcps_lease.end_ip.addr = softap_ip | (local_ip + DHCPS_MAX_LEASE - 1); - dhcps_lease.start_ip.addr = htonl(dhcps_lease.start_ip.addr); - dhcps_lease.end_ip.addr= htonl(dhcps_lease.end_ip.addr); - } -// dhcps_lease.start_ip.addr = htonl(dhcps_lease.start_ip.addr); -// dhcps_lease.end_ip.addr= htonl(dhcps_lease.end_ip.addr); -// os_printf("start_ip = 0x%x, end_ip = 0x%x\n",dhcps_lease.start_ip, dhcps_lease.end_ip); -} -/////////////////////////////////////////////////////////////////////////////////// -void ICACHE_FLASH_ATTR dhcps_start(struct ip_info *info) -{ - struct netif * apnetif = (struct netif *)eagle_lwip_getif(0x01); - - if(apnetif->dhcps_pcb != NULL) { - udp_remove(apnetif->dhcps_pcb); - } - - pcb_dhcps = udp_new(); - if (pcb_dhcps == NULL || info ==NULL) { - os_printf("dhcps_start(): could not obtain pcb\n"); - } - - apnetif->dhcps_pcb = pcb_dhcps; - - IP4_ADDR(&broadcast_dhcps, 255, 255, 255, 255); - - server_address = info->ip; - wifi_softap_init_dhcps_lease(server_address.addr); - - udp_bind(pcb_dhcps, IP_ADDR_ANY, DHCPS_SERVER_PORT); - udp_recv(pcb_dhcps, handle_dhcp, NULL); -#if DHCPS_DEBUG - os_printf("dhcps:dhcps_start->udp_recv function Set a receive callback handle_dhcp for UDP_PCB pcb_dhcps\n"); -#endif - -} - -void ICACHE_FLASH_ATTR dhcps_stop(void) -{ - struct netif * apnetif = (struct netif *)eagle_lwip_getif(0x01); - - udp_disconnect(pcb_dhcps); -// dhcps_lease_flag = true; - if(apnetif->dhcps_pcb != NULL) { - udp_remove(apnetif->dhcps_pcb); - apnetif->dhcps_pcb = NULL; - } - - //udp_remove(pcb_dhcps); - list_node *pnode = NULL; - list_node *pback_node = NULL; - struct dhcps_pool* dhcp_node = NULL; - struct ip_addr ip_zero; - - os_memset(&ip_zero,0x0,sizeof(ip_zero)); - pnode = plist; - while (pnode != NULL) { - pback_node = pnode; - pnode = pback_node->pnext; - node_remove_from_list(&plist, pback_node); - dhcp_node = (struct dhcps_pool*)pback_node->pnode; - //wifi_softap_dhcps_client_leave(dhcp_node->mac,&dhcp_node->ip,TRUE); // force to delete - wifi_softap_set_station_info(dhcp_node->mac, &ip_zero); - os_free(pback_node->pnode); - pback_node->pnode = NULL; - os_free(pback_node); - pback_node = NULL; - } -} - -/****************************************************************************** - * FunctionName : wifi_softap_set_dhcps_lease - * Description : set the lease information of DHCP server - * Parameters : please -- Additional argument to set the lease information, - * Little-Endian. - * Returns : true or false -*******************************************************************************/ -bool ICACHE_FLASH_ATTR wifi_softap_set_dhcps_lease(struct dhcps_lease *please) -{ - struct ip_info info; - uint32 softap_ip = 0; - uint32 start_ip = 0; - uint32 end_ip = 0; - - uint8 opmode = wifi_get_opmode(); - - if (opmode == STATION_MODE || opmode == NULL_MODE) { - return false; - } - - if (please == NULL || wifi_softap_dhcps_status() == DHCP_STARTED) - return false; - - if(please->enable) { - os_bzero(&info, sizeof(struct ip_info)); - wifi_get_ip_info(SOFTAP_IF, &info); - softap_ip = htonl(info.ip.addr); - start_ip = htonl(please->start_ip.addr); - end_ip = htonl(please->end_ip.addr); - - /*config ip information can't contain local ip*/ - if ((start_ip <= softap_ip) && (softap_ip <= end_ip)) - return false; - - /*config ip information must be in the same segment as the local ip*/ - softap_ip >>= 8; - if ((start_ip >> 8 != softap_ip) - || (end_ip >> 8 != softap_ip)) { - return false; - } - - if (end_ip - start_ip > DHCPS_MAX_LEASE) - return false; - - os_bzero(&dhcps_lease, sizeof(dhcps_lease)); -// dhcps_lease.start_ip.addr = start_ip; -// dhcps_lease.end_ip.addr = end_ip; - dhcps_lease.start_ip.addr = please->start_ip.addr; - dhcps_lease.end_ip.addr = please->end_ip.addr; - } - dhcps_lease.enable = please->enable; -// dhcps_lease_flag = false; - return true; -} - -/****************************************************************************** - * FunctionName : wifi_softap_get_dhcps_lease - * Description : get the lease information of DHCP server - * Parameters : please -- Additional argument to get the lease information, - * Little-Endian. - * Returns : true or false -*******************************************************************************/ -bool ICACHE_FLASH_ATTR wifi_softap_get_dhcps_lease(struct dhcps_lease *please) -{ - uint8 opmode = wifi_get_opmode(); - - if (opmode == STATION_MODE || opmode == NULL_MODE) { - return false; - } - - if (NULL == please) - return false; - -// if (dhcps_lease_flag){ - if (dhcps_lease.enable == FALSE){ - if (wifi_softap_dhcps_status() == DHCP_STOPPED) - return false; - } else { -// os_bzero(please, sizeof(dhcps_lease)); -// if (wifi_softap_dhcps_status() == DHCP_STOPPED){ -// please->start_ip.addr = htonl(dhcps_lease.start_ip.addr); -// please->end_ip.addr = htonl(dhcps_lease.end_ip.addr); -// } - } - -// if (wifi_softap_dhcps_status() == DHCP_STARTED){ -// os_bzero(please, sizeof(dhcps_lease)); -// please->start_ip.addr = dhcps_lease.start_ip.addr; -// please->end_ip.addr = dhcps_lease.end_ip.addr; -// } - please->start_ip.addr = dhcps_lease.start_ip.addr; - please->end_ip.addr = dhcps_lease.end_ip.addr; - return true; -} - -static void ICACHE_FLASH_ATTR kill_oldest_dhcps_pool(void) -{ - list_node *pre = NULL, *p = NULL; - list_node *minpre = NULL, *minp = NULL; - struct dhcps_pool *pdhcps_pool = NULL, *pmin_pool = NULL; - pre = plist; - p = pre->pnext; - minpre = pre; - minp = p; - while (p != NULL){ - pdhcps_pool = p->pnode; - pmin_pool = minp->pnode; - if (pdhcps_pool->lease_timer < pmin_pool->lease_timer){ - minp = p; - minpre = pre; - } - pre = p; - p = p->pnext; - } - minpre->pnext = minp->pnext;pdhcps_pool->state = DHCPS_STATE_OFFLINE; - os_free(minp->pnode); - minp->pnode = NULL; - os_free(minp); - minp = NULL; -} - -void ICACHE_FLASH_ATTR dhcps_coarse_tmr(void) -{ - uint8 num_dhcps_pool = 0; - list_node *pback_node = NULL; - list_node *pnode = NULL; - struct dhcps_pool *pdhcps_pool = NULL; - pnode = plist; - while (pnode != NULL) { - pdhcps_pool = pnode->pnode; - if ( pdhcps_pool->type == DHCPS_TYPE_DYNAMIC) { - pdhcps_pool->lease_timer --; - } - if (pdhcps_pool->lease_timer == 0){ - pback_node = pnode; - pnode = pback_node->pnext; - node_remove_from_list(&plist,pback_node); - os_free(pback_node->pnode); - pback_node->pnode = NULL; - os_free(pback_node); - pback_node = NULL; - } else { - pnode = pnode ->pnext; - num_dhcps_pool ++; - } - } - - if (num_dhcps_pool >= MAX_STATION_NUM) - kill_oldest_dhcps_pool(); -} - -bool ICACHE_FLASH_ATTR wifi_softap_set_dhcps_offer_option(uint8 level, void* optarg) -{ - bool offer_flag = true; - uint8 option = 0; - if (optarg == NULL && wifi_softap_dhcps_status() == false) - return false; - - if (level <= OFFER_START || level >= OFFER_END) - return false; - - switch (level){ - case OFFER_ROUTER: - offer = (*(uint8 *)optarg) & 0x01; - offer_flag = true; - break; - default : - offer_flag = false; - break; - } - return offer_flag; -} - -bool ICACHE_FLASH_ATTR wifi_softap_set_dhcps_lease_time(uint32 minute) -{ - uint8 opmode = wifi_get_opmode(); - - if (opmode == STATION_MODE || opmode == NULL_MODE) { - return false; - } - - if (wifi_softap_dhcps_status() == DHCP_STARTED) { - return false; - } - - if(minute == 0) { - return false; - } - dhcps_lease_time = minute; - return true; -} - -bool ICACHE_FLASH_ATTR wifi_softap_reset_dhcps_lease_time(void) -{ - uint8 opmode = wifi_get_opmode(); - - if (opmode == STATION_MODE || opmode == NULL_MODE) { - return false; - } - - if (wifi_softap_dhcps_status() == DHCP_STARTED) { - return false; - } - dhcps_lease_time = DHCPS_LEASE_TIME_DEF; - return true; -} - -uint32 ICACHE_FLASH_ATTR wifi_softap_get_dhcps_lease_time(void) // minute -{ - return dhcps_lease_time; -} - -void ICACHE_FLASH_ATTR wifi_softap_dhcps_client_leave(u8 *bssid, struct ip_addr *ip,bool force) -{ - struct dhcps_pool *pdhcps_pool = NULL; - list_node *pback_node = NULL; - - if ((bssid == NULL) || (ip == NULL)) { - return; - } - - for (pback_node = plist; pback_node != NULL;pback_node = pback_node->pnext) { - pdhcps_pool = pback_node->pnode; - if (os_memcmp(pdhcps_pool->mac, bssid, sizeof(pdhcps_pool->mac)) == 0){ - if (os_memcmp(&pdhcps_pool->ip.addr, &ip->addr, sizeof(pdhcps_pool->ip.addr)) == 0) { - if ((pdhcps_pool->type == DHCPS_TYPE_STATIC) || (force)) { - if(pback_node != NULL) { - node_remove_from_list(&plist,pback_node); - os_free(pback_node); - pback_node = NULL; - } - - if (pdhcps_pool != NULL) { - os_free(pdhcps_pool); - pdhcps_pool = NULL; - } - } else { - pdhcps_pool->state = DHCPS_STATE_OFFLINE; - } - - struct ip_addr ip_zero; - os_memset(&ip_zero,0x0,sizeof(ip_zero)); - wifi_softap_set_station_info(bssid, &ip_zero); - break; - } - } - } -} - -uint32 ICACHE_FLASH_ATTR wifi_softap_dhcps_client_update(u8 *bssid, struct ip_addr *ip) -{ - struct dhcps_pool *pdhcps_pool = NULL; - list_node *pback_node = NULL; - list_node *pmac_node = NULL; - list_node *pip_node = NULL; - bool flag = FALSE; - uint32 start_ip = dhcps_lease.start_ip.addr; - uint32 end_ip = dhcps_lease.end_ip.addr; - dhcps_type_t type = DHCPS_TYPE_DYNAMIC; - if (bssid == NULL) { - return IPADDR_ANY; - } - - if (ip) { - if (IPADDR_BROADCAST == ip->addr) { - return IPADDR_ANY; - } else if (IPADDR_ANY == ip->addr) { - ip = NULL; - } else { - type = DHCPS_TYPE_STATIC; - } - } - - renew = FALSE; - for (pback_node = plist; pback_node != NULL;pback_node = pback_node->pnext) { - pdhcps_pool = pback_node->pnode; - //os_printf("mac:"MACSTR"bssid:"MACSTR"\r\n",MAC2STR(pdhcps_pool->mac),MAC2STR(bssid)); - if (os_memcmp(pdhcps_pool->mac, bssid, sizeof(pdhcps_pool->mac)) == 0){ - pmac_node = pback_node; - if (ip == NULL) { - flag = TRUE; - break; - } - } - if (ip != NULL) { - if (os_memcmp(&pdhcps_pool->ip.addr, &ip->addr, sizeof(pdhcps_pool->ip.addr)) == 0) { - pip_node = pback_node; - } - } else if (flag == FALSE){ - if (os_memcmp(&pdhcps_pool->ip.addr, &start_ip, sizeof(pdhcps_pool->ip.addr)) != 0) { - flag = TRUE; - } else { - start_ip = htonl((ntohl(start_ip) + 1)); - } - } - } - - if ((ip == NULL) && (flag == FALSE)) { - if (plist == NULL) { - if (start_ip <= end_ip) { - flag = TRUE; - } else { - return IPADDR_ANY; - } - } else { - if (start_ip > end_ip) { - return IPADDR_ANY; - } - //start_ip = htonl((ntohl(start_ip) + 1)); - flag = TRUE; - } - } - - if (pmac_node != NULL) { // update new ip - if (pip_node != NULL){ - pdhcps_pool = pip_node->pnode; - - if (pip_node != pmac_node) { - if(pdhcps_pool->state != DHCPS_STATE_OFFLINE) { // ip is used - return IPADDR_ANY; - } - - // mac exists and ip exists in other node,delete mac - node_remove_from_list(&plist,pmac_node); - os_free(pmac_node->pnode); - pmac_node->pnode = NULL; - os_free(pmac_node); - pmac_node = pip_node; - os_memcpy(pdhcps_pool->mac, bssid, sizeof(pdhcps_pool->mac)); - } else { - renew = true; - type = DHCPS_TYPE_DYNAMIC; - } - - pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER; - pdhcps_pool->type = type; - pdhcps_pool->state = DHCPS_STATE_ONLINE; - - } else { - pdhcps_pool = pmac_node->pnode; - if (ip != NULL) { - pdhcps_pool->ip.addr = ip->addr; - } else if (flag == TRUE) { - pdhcps_pool->ip.addr = start_ip; - } else { // no ip to distribute - return IPADDR_ANY; - } - - node_remove_from_list(&plist,pmac_node); - pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER; - pdhcps_pool->type = type; - pdhcps_pool->state = DHCPS_STATE_ONLINE; - node_insert_to_list(&plist,pmac_node); - } - } else { // new station - if (pip_node != NULL) { // maybe ip has used - pdhcps_pool = pip_node->pnode; - if (pdhcps_pool->state != DHCPS_STATE_OFFLINE) { - return IPADDR_ANY; - } - os_memcpy(pdhcps_pool->mac, bssid, sizeof(pdhcps_pool->mac)); - pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER; - pdhcps_pool->type = type; - pdhcps_pool->state = DHCPS_STATE_ONLINE; - } else { - pdhcps_pool = (struct dhcps_pool *)os_zalloc(sizeof(struct dhcps_pool)); - if (ip != NULL) { - pdhcps_pool->ip.addr = ip->addr; - } else if (flag == TRUE) { - pdhcps_pool->ip.addr = start_ip; - } else { // no ip to distribute - os_free(pdhcps_pool); - return IPADDR_ANY; - } - if (pdhcps_pool->ip.addr > end_ip) { - os_free(pdhcps_pool); - return IPADDR_ANY; - } - os_memcpy(pdhcps_pool->mac, bssid, sizeof(pdhcps_pool->mac)); - pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER; - pdhcps_pool->type = type; - pdhcps_pool->state = DHCPS_STATE_ONLINE; - pback_node = (list_node *)os_zalloc(sizeof(list_node )); - pback_node->pnode = pdhcps_pool; - pback_node->pnext = NULL; - node_insert_to_list(&plist,pback_node); - } - } - wifi_softap_set_station_info(bssid, &pdhcps_pool->ip); - - return pdhcps_pool->ip.addr; -} diff --git a/tools/sdk/lwip/src/app/espconn.c b/tools/sdk/lwip/src/app/espconn.c deleted file mode 100644 index 93ce6fa4c7..0000000000 --- a/tools/sdk/lwip/src/app/espconn.c +++ /dev/null @@ -1,1347 +0,0 @@ -/****************************************************************************** - * Copyright 2013-2014 Espressif Systems (Wuxi) - * - * FileName: espconn.c - * - * Description: espconn interface for user - * - * Modification history: - * 2014/3/31, v1.0 create this file. -*******************************************************************************/ - -#include "lwip/netif.h" -#include "lwip/inet.h" -#include "netif/etharp.h" -#include "lwip/tcp.h" -#include "lwip/ip.h" -#include "lwip/init.h" -#include "ets_sys.h" -#include "os_type.h" -//#include "os.h" -#include "lwip/mem.h" - -#include "lwip/app/espconn_tcp.h" -#include "lwip/app/espconn_udp.h" -#include "lwip/app/espconn.h" -#include "user_interface.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -espconn_msg *plink_active = NULL; -espconn_msg *pserver_list = NULL; -remot_info premot[linkMax]; - -struct espconn_packet pktinfo[2]; - -void espconn_init(void); - -static uint8 espconn_tcp_get_buf_count(espconn_buf *pesp_buf); -/****************************************************************************** - * FunctionName : espconn_copy_partial - * Description : reconnect with host - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_copy_partial(struct espconn *pesp_dest, struct espconn *pesp_source) -{ - pesp_dest->type = pesp_source->type; - pesp_dest->state = pesp_source->state; - if (pesp_source->type == ESPCONN_TCP){ - pesp_dest->proto.tcp->remote_port = pesp_source->proto.tcp->remote_port; - pesp_dest->proto.tcp->local_port = pesp_source->proto.tcp->local_port; - os_memcpy(pesp_dest->proto.tcp->remote_ip, pesp_source->proto.tcp->remote_ip, 4); - os_memcpy(pesp_dest->proto.tcp->local_ip, pesp_source->proto.tcp->local_ip, 4); - pesp_dest->proto.tcp->connect_callback = pesp_source->proto.tcp->connect_callback; - pesp_dest->proto.tcp->reconnect_callback = pesp_source->proto.tcp->reconnect_callback; - pesp_dest->proto.tcp->disconnect_callback = pesp_source->proto.tcp->disconnect_callback; - } else { - pesp_dest->proto.udp->remote_port = pesp_source->proto.udp->remote_port; - pesp_dest->proto.udp->local_port = pesp_source->proto.udp->local_port; - os_memcpy(pesp_dest->proto.udp->remote_ip, pesp_source->proto.udp->remote_ip, 4); - os_memcpy(pesp_dest->proto.udp->local_ip, pesp_source->proto.udp->local_ip, 4); - } - pesp_dest->recv_callback = pesp_source->recv_callback; - pesp_dest->sent_callback = pesp_source->sent_callback; - pesp_dest->link_cnt = pesp_source->link_cnt; - pesp_dest->reverse = pesp_source->reverse; -} - -/****************************************************************************** - * FunctionName : espconn_copy_partial - * Description : insert the node to the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_list_creat(espconn_msg **phead, espconn_msg* pinsert) -{ - espconn_msg *plist = NULL; -// espconn_msg *ptest = NULL; - if (*phead == NULL) - *phead = pinsert; - else { - plist = *phead; - while (plist->pnext != NULL) { - plist = plist->pnext; - } - plist->pnext = pinsert; - } - pinsert->pnext = NULL; - -/* ptest = *phead; - while(ptest != NULL){ - os_printf("espconn_list_creat %p\n", ptest); - ptest = ptest->pnext; - }*/ -} - -/****************************************************************************** - * FunctionName : espconn_list_delete - * Description : remove the node from the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_list_delete(espconn_msg **phead, espconn_msg* pdelete) -{ - espconn_msg *plist = NULL; -// espconn_msg *ptest = NULL; - plist = *phead; - if (plist == NULL){ - *phead = NULL; - } else { - if (plist == pdelete){ - *phead = plist->pnext; - } else { - while (plist != NULL) { - if (plist->pnext == pdelete){ - plist->pnext = pdelete->pnext; - } - plist = plist->pnext; - } - } - } -/* ptest = *phead; - while(ptest != NULL){ - os_printf("espconn_list_delete %p\n", ptest); - ptest = ptest->pnext; - }*/ -} - -/****************************************************************************** - * FunctionName : espconn_pbuf_create - * Description : insert the node to the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_pbuf_create(espconn_buf **phead, espconn_buf* pinsert) -{ - espconn_buf *plist = NULL; - - if (*phead == NULL) - *phead = pinsert; - else { - plist = *phead; - while (plist->pnext != NULL) { - plist = plist->pnext; - } - plist->pnext = pinsert; - } - pinsert->pnext = NULL; -} - -/****************************************************************************** - * FunctionName : espconn_pbuf_delete - * Description : remove the node from the active connection list - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_pbuf_delete(espconn_buf **phead, espconn_buf* pdelete) -{ - espconn_buf *plist = NULL; - - plist = *phead; - if (plist == NULL){ - *phead = NULL; - } else { - if (plist == pdelete){ - *phead = plist->pnext; - } else { - while (plist != NULL) { - if (plist->pnext == pdelete){ - plist->pnext = pdelete->pnext; - } - plist = plist->pnext; - } - } - } -} - -/****************************************************************************** - * FunctionName : espconn_find_connection - * Description : Initialize the server: set up a listening PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build server - * Returns : true or false - *******************************************************************************/ -bool ICACHE_FLASH_ATTR espconn_find_connection(struct espconn *pespconn, espconn_msg **pnode) -{ - espconn_msg *plist = NULL; - struct ip_addr ip_remot; - struct ip_addr ip_list; - - if (pespconn == NULL) - return false; - - /*find the active connection node*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (pespconn == plist->pespconn) { - *pnode = plist; - return true; - } - } - - /*find the active server node*/ - for (plist = pserver_list; plist != NULL; plist = plist->pnext){ - if (pespconn == plist->pespconn) { - if (pespconn->proto.tcp == NULL) - return false; - - IP4_ADDR(&ip_remot, pespconn->proto.tcp->remote_ip[0], - pespconn->proto.tcp->remote_ip[1], - pespconn->proto.tcp->remote_ip[2], - pespconn->proto.tcp->remote_ip[3]); - if ((ip_remot.addr == IPADDR_ANY) || (pespconn->proto.tcp->remote_port == 0)) - return false; - - /*find the active connection node*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - IP4_ADDR(&ip_list, plist->pcommon.remote_ip[0], - plist->pcommon.remote_ip[1], plist->pcommon.remote_ip[2], - plist->pcommon.remote_ip[3]); - if ((ip_list.addr == ip_remot.addr) && (pespconn->proto.tcp->remote_port == plist->pcommon.remote_port)) { - *pnode = plist; - return true; - } - } - return false; - } - } - return false; -} - -/****************************************************************************** - * FunctionName : espconn_get_acticve_num - * Description : get the count of simulatenously active connections - * Parameters : type -- the type - * Returns : the count of simulatenously active connections - *******************************************************************************/ -static uint8 ICACHE_FLASH_ATTR -espconn_get_acticve_num(uint8 type) -{ - espconn_msg *plist = NULL; - uint8 num_tcp_active = 0; - - for (plist = plink_active; plist != NULL; plist = plist->pnext) { - if (plist->pespconn != NULL && plist->pespconn->type == type) { - num_tcp_active++; - } - } - - return num_tcp_active; -} - -/****************************************************************************** - * FunctionName : espconn_connect - * Description : The function given as the connect - * Parameters : espconn -- the espconn used to listen the connection - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_connect(struct espconn *espconn) -{ - struct ip_addr ipaddr; - struct ip_info ipinfo; - uint8 connect_status = 0; - sint8 value = ESPCONN_OK; - espconn_msg *plist = NULL; - remot_info *pinfo = NULL; - - volatile int tmp = (int) espconn_init; - - if (espconn == NULL) { - return ESPCONN_ARG; - } else if (espconn ->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Check the active node count whether is the limit or not*/ - if (espconn_get_acticve_num(ESPCONN_TCP) >= espconn_tcp_get_max_con()) - return ESPCONN_ISCONN; - - /*Check the IP address whether is zero or not in different mode*/ - if (wifi_get_opmode() == ESPCONN_STA){ - wifi_get_ip_info(STA_NETIF,&ipinfo); - if (ipinfo.ip.addr == 0){ - return ESPCONN_RTE; - } - } else if(wifi_get_opmode() == ESPCONN_AP){ - wifi_get_ip_info(AP_NETIF,&ipinfo); - if (ipinfo.ip.addr == 0){ - return ESPCONN_RTE; - } - } else if(wifi_get_opmode() == ESPCONN_AP_STA){ - IP4_ADDR(&ipaddr, espconn->proto.tcp->remote_ip[0], - espconn->proto.tcp->remote_ip[1], - espconn->proto.tcp->remote_ip[2], - espconn->proto.tcp->remote_ip[3]); - ipaddr.addr <<= 8; - wifi_get_ip_info(AP_NETIF,&ipinfo); - ipinfo.ip.addr <<= 8; - espconn_printf("softap_addr = %x, remote_addr = %x\n", ipinfo.ip.addr, ipaddr.addr); - - if (ipaddr.addr != ipinfo.ip.addr){ - connect_status = wifi_station_get_connect_status(); - if (connect_status == STATION_GOT_IP){ - wifi_get_ip_info(STA_NETIF,&ipinfo); - if (ipinfo.ip.addr == 0) - return ESPCONN_RTE; - } else if (connect_status == STATION_IDLE){ - return ESPCONN_RTE; - } else { - return connect_status; - } - } - } - - /*check the active node information whether is the same as the entity or not*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (plist->pespconn && plist->pespconn->type == ESPCONN_TCP){ - if (espconn->proto.tcp->local_port == plist->pespconn->proto.tcp->local_port){ - return ESPCONN_ISCONN; - } - } - } - - value = espconn_tcp_client(espconn); - - return value; -} - -/****************************************************************************** - * FunctionName : espconn_create - * Description : sent data for client or server - * Parameters : espconn -- espconn to the data transmission - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_create(struct espconn *espconn) -{ - sint8 value = ESPCONN_OK; - espconn_msg *plist = NULL; - - volatile int tmp = (int) espconn_init; - - if (espconn == NULL) { - return ESPCONN_ARG; - } else if (espconn ->type != ESPCONN_UDP){ - return ESPCONN_ARG; - } - - /*check the active node information whether is the same as the entity or not*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (plist->pespconn && plist->pespconn->type == ESPCONN_UDP){ - if (espconn->proto.udp->local_port == plist->pespconn->proto.udp->local_port){ - return ESPCONN_ISCONN; - } - } - } - - value = espconn_udp_server(espconn); - - return value; -} - -/****************************************************************************** - * FunctionName : espconn_sent - * Description : sent data for client or server - * Parameters : espconn -- espconn to set for client or server - * psent -- data to send - * length -- length of data to send - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_sent(struct espconn *espconn, uint8 *psent, uint16 length) -{ - espconn_msg *pnode = NULL; - bool value = false; - err_t error = ESPCONN_OK; - - if (espconn == NULL || psent == NULL || length == 0) { - return ESPCONN_ARG; - } - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - - if (value){ - espconn ->state = ESPCONN_WRITE; - switch (espconn ->type) { - case ESPCONN_TCP: - /* calling sent function frequently,make sure last packet has been backup or sent fully*/ - if (pnode->pcommon.write_flag){ - espconn_buf *pbuf = NULL; - /*If total number of espconn_buf on the unsent lists exceeds the set maximum, return an error */ - if (espconn_copy_enabled(pnode)){ - if (espconn_tcp_get_buf_count(pnode->pcommon.pbuf) >= pnode ->pcommon.pbuf_num) - return ESPCONN_MAXNUM; - } else { - struct tcp_pcb *pcb = pnode->pcommon.pcb; - if (pcb->snd_queuelen >= TCP_SND_QUEUELEN) - return ESPCONN_MAXNUM; - } - - pbuf = (espconn_buf*) os_zalloc(sizeof(espconn_buf)); - if (pbuf == NULL) - return ESPCONN_MEM; - else { - /*Backup the application packet information for send more data*/ - pbuf->payload = psent; - pbuf->punsent = pbuf->payload; - pbuf->unsent = length; - pbuf->len = length; - /*insert the espconn_pbuf to the list*/ - espconn_pbuf_create(&pnode->pcommon.pbuf, pbuf); - if (pnode->pcommon.ptail == NULL) - pnode->pcommon.ptail = pbuf; - } - /*when set the data copy option. change the flag for next packet*/ - if (espconn_copy_disabled(pnode)) - pnode->pcommon.write_flag = false; - error = espconn_tcp_write(pnode); -// if (error != ESPCONN_OK){ -// /*send the application packet fail, -// * ensure that each allocated is deleted*/ -// espconn_pbuf_delete(&pnode->pcommon.pbuf, pbuf); -// os_free(pbuf); -// pbuf = NULL; -// } - return error; - } else - return ESPCONN_ARG; - break; - - case ESPCONN_UDP: - return espconn_udp_sent(pnode, psent, length); - break; - - default : - break; - } - } - return ESPCONN_ARG; -} - -sint16 ICACHE_FLASH_ATTR espconn_recv(struct espconn *espconn, void *mem, size_t len) -{ - espconn_msg *pnode = NULL; - bool value = false; - int bytes_used = 0; - if (espconn == NULL || mem == NULL || len == 0) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value && espconn->type == ESPCONN_TCP){ - if (pnode->readbuf != NULL){ - bytes_used = ringbuf_bytes_used(pnode->readbuf); - if (bytes_used != 0) { - if (len > bytes_used) { - len = bytes_used; - } - ringbuf_memcpy_from(mem, pnode->readbuf, len); - espconn_recv_unhold(pnode->pespconn); - return len; - } else { - return ESPCONN_OK; - } - } else{ - return ESPCONN_OK; - } - } else{ - return ESPCONN_ARG; - } - - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_sendto - * Description : send data for UDP - * Parameters : espconn -- espconn to set for UDP - * psent -- data to send - * length -- length of data to send - * Returns : error -*******************************************************************************/ -sint16 ICACHE_FLASH_ATTR -espconn_sendto(struct espconn *espconn, uint8 *psent, uint16 length) -{ - espconn_msg *pnode = NULL; - bool value = false; - err_t error = ESPCONN_OK; - - if (espconn == NULL || psent == NULL || length == 0) { - return ESPCONN_ARG; - } - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value && espconn->type == ESPCONN_UDP) - return espconn_udp_sendto(pnode, psent, length); - else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_send - * Description : sent data for client or server - * Parameters : espconn -- espconn to set for client or server - * psent -- data to send - * length -- length of data to send - * Returns : none -*******************************************************************************/ - -sint8 espconn_send(struct espconn *espconn, uint8 *psent, uint16 length) __attribute__((alias("espconn_sent"))); - -/****************************************************************************** - * FunctionName : espconn_tcp_get_wnd - * Description : get the window size of simulatenously active TCP connections - * Parameters : none - * Returns : the number of TCP_MSS active TCP connections -*******************************************************************************/ -uint8 ICACHE_FLASH_ATTR espconn_tcp_get_wnd(void) -{ - uint8 tcp_num = 0; - - tcp_num = (TCP_WND / TCP_MSS); - - return tcp_num; -} -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con - * Description : set the window size simulatenously active TCP connections - * Parameters : num -- the number of TCP_MSS - * Returns : ESPCONN_ARG -- Illegal argument - * ESPCONN_OK -- No error -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_wnd(uint8 num) -{ - if (num == 0 || num > linkMax) - return ESPCONN_ARG; - - TCP_WND = (num * TCP_MSS); - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_mss - * Description : get the mss size of simulatenously active TCP connections - * Parameters : none - * Returns : the size of TCP_MSS active TCP connections -*******************************************************************************/ -uint16 ICACHE_FLASH_ATTR espconn_tcp_get_mss(void) -{ - uint16 tcp_num = 0; - - tcp_num = TCP_MSS; - - return tcp_num; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_con - * Description : get the number of simulatenously active TCP connections - * Parameters : espconn -- espconn to set the connect callback - * Returns : none -*******************************************************************************/ -uint8 ICACHE_FLASH_ATTR espconn_tcp_get_max_con(void) -{ - uint8 tcp_num = 0; - - tcp_num = MEMP_NUM_TCP_PCB; - - return tcp_num; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con - * Description : set the number of simulatenously active TCP connections - * Parameters : espconn -- espconn to set the connect callback - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_max_con(uint8 num) -{ - if (num == 0 || num > linkMax) - return ESPCONN_ARG; - - MEMP_NUM_TCP_PCB = num; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_retran - * Description : get the Maximum number of retransmissions of data active TCP connections - * Parameters : none - * Returns : the Maximum number of retransmissions -*******************************************************************************/ -uint8 ICACHE_FLASH_ATTR espconn_tcp_get_max_retran(void) -{ - uint8 tcp_num = 0; - - tcp_num = TCP_MAXRTX; - - return tcp_num; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_retran - * Description : set the Maximum number of retransmissions of data active TCP connections - * Parameters : num -- the Maximum number of retransmissions - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_max_retran(uint8 num) -{ - if (num == 0 || num > 12) - return ESPCONN_ARG; - - TCP_MAXRTX = num; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_syn - * Description : get the Maximum number of retransmissions of SYN segments - * Parameters : none - * Returns : the Maximum number of retransmissions -*******************************************************************************/ -uint8 ICACHE_FLASH_ATTR espconn_tcp_get_max_syn(void) -{ - uint8 tcp_num = 0; - - tcp_num = TCP_SYNMAXRTX; - - return tcp_num; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_syn - * Description : set the Maximum number of retransmissions of SYN segments - * Parameters : num -- the Maximum number of retransmissions - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_max_syn(uint8 num) -{ - if (num == 0 || num > 12) - return ESPCONN_ARG; - - TCP_SYNMAXRTX = num; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_max_con_allow - * Description : get the count of simulatenously active connections on the server - * Parameters : espconn -- espconn to get the count - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_get_max_con_allow(struct espconn *espconn) -{ - espconn_msg *pget_msg = NULL; - if ((espconn == NULL) || (espconn->type == ESPCONN_UDP)) - return ESPCONN_ARG; - - pget_msg = pserver_list; - while (pget_msg != NULL){ - if (pget_msg->pespconn == espconn){ - return pget_msg->count_opt; - } - pget_msg = pget_msg->pnext; - } - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_set_max_con_allow - * Description : set the count of simulatenously active connections on the server - * Parameters : espconn -- espconn to set the count - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_max_con_allow(struct espconn *espconn, uint8 num) -{ - espconn_msg *pset_msg = NULL; - if ((espconn == NULL) || (num > MEMP_NUM_TCP_PCB) || (espconn->type == ESPCONN_UDP)) - return ESPCONN_ARG; - - pset_msg = pserver_list; - while (pset_msg != NULL){ - if (pset_msg->pespconn == espconn){ - pset_msg->count_opt = num; - return ESPCONN_OK; - } - pset_msg = pset_msg->pnext; - } - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_set_buf_count - * Description : set the total number of espconn_buf on the unsent lists for one - * activate connection - * Parameters : espconn -- espconn to set the count - * num -- the total number of espconn_buf - * Returns : result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_set_buf_count(struct espconn *espconn, uint8 num) -{ - espconn_msg *plist = NULL; - if (espconn == NULL || (num > TCP_SND_QUEUELEN)) - return ESPCONN_ARG; - - /*find the node from the active connection list*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (plist->pespconn && plist->pespconn == espconn && espconn->type == ESPCONN_TCP){ - plist->pcommon.pbuf_num = num; - return ESPCONN_OK; - } - } - - if (plist == NULL) - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_get_buf_count - * Description : get the count of the current node which has espconn_buf - * Parameters : pesp_buf -- the list head of espconn_buf type - * Returns : the count of the current node which has espconn_buf -*******************************************************************************/ -static uint8 ICACHE_FLASH_ATTR espconn_tcp_get_buf_count(espconn_buf *pesp_buf) -{ - espconn_buf *pbuf_list = pesp_buf; - uint8 pbuf_num = 0; - - /*polling the list get the count of the current node*/ - while (pbuf_list != NULL){ - pbuf_list = pbuf_list->pnext; - pbuf_num ++; - } - return pbuf_num; -} - -/****************************************************************************** - * FunctionName : espconn_regist_sentcb - * Description : Used to specify the function that should be called when data - * has been successfully delivered to the remote host. - * Parameters : espconn -- espconn to set the sent callback - * sent_cb -- sent callback function to call for this espconn - * when data is successfully sent - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_sentcb(struct espconn *espconn, espconn_sent_callback sent_cb) -{ - if (espconn == NULL) { - return ESPCONN_ARG; - } - - espconn ->sent_callback = sent_cb; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_regist_sentcb - * Description : Used to specify the function that should be called when data - * has been successfully delivered to the remote host. - * Parameters : espconn -- espconn to set the sent callback - * sent_cb -- sent callback function to call for this espconn - * when data is successfully sent - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_write_finish(struct espconn *espconn, espconn_connect_callback write_finish_fn) -{ - if (espconn == NULL || espconn ->proto.tcp == NULL || espconn->type == ESPCONN_UDP) { - return ESPCONN_ARG; - } - - espconn ->proto.tcp->write_finish_fn = write_finish_fn; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_regist_connectcb - * Description : used to specify the function that should be called when - * connects to host. - * Parameters : espconn -- espconn to set the connect callback - * connect_cb -- connected callback function to call when connected - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_connectcb(struct espconn *espconn, espconn_connect_callback connect_cb) -{ - if (espconn == NULL) { - return ESPCONN_ARG; - } - - espconn->proto.tcp->connect_callback = connect_cb; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_regist_recvcb - * Description : used to specify the function that should be called when recv - * data from host. - * Parameters : espconn -- espconn to set the recv callback - * recv_cb -- recv callback function to call when recv data - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_recvcb(struct espconn *espconn, espconn_recv_callback recv_cb) -{ - if (espconn == NULL) { - return ESPCONN_ARG; - } - - espconn ->recv_callback = recv_cb; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_regist_reconcb - * Description : used to specify the function that should be called when connection - * because of err disconnect. - * Parameters : espconn -- espconn to set the err callback - * recon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_reconcb(struct espconn *espconn, espconn_reconnect_callback recon_cb) -{ - if (espconn == NULL) { - return ESPCONN_ARG; - } - - espconn ->proto.tcp->reconnect_callback = recon_cb; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_regist_disconcb - * Description : used to specify the function that should be called when disconnect - * Parameters : espconn -- espconn to set the err callback - * discon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_regist_disconcb(struct espconn *espconn, espconn_connect_callback discon_cb) -{ - if (espconn == NULL) { - return ESPCONN_ARG; - } - - espconn ->proto.tcp->disconnect_callback = discon_cb; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_get_connection_info - * Description : used to specify the function that should be called when disconnect - * Parameters : espconn -- espconn to set the err callback - * discon_cb -- err callback function to call when err - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_get_connection_info(struct espconn *pespconn, remot_info **pcon_info, uint8 typeflags) -{ - espconn_msg *plist = NULL; - - if (pespconn == NULL) - return ESPCONN_ARG; - - os_memset(premot, 0, sizeof(premot)); - pespconn->link_cnt = 0; - plist = plink_active; - switch (pespconn->type){ - case ESPCONN_TCP: - while(plist != NULL){ - if (plist->preverse == pespconn){ - premot[pespconn->link_cnt].state = plist->pespconn->state; - premot[pespconn->link_cnt].remote_port = plist->pcommon.remote_port; - os_memcpy(premot[pespconn->link_cnt].remote_ip, plist->pcommon.remote_ip, 4); - pespconn->link_cnt ++; - } - plist = plist->pnext; - } - - break; - case ESPCONN_UDP: - while(plist != NULL){ - if (plist->pespconn == pespconn){ - premot[pespconn->link_cnt].state = plist->pespconn->state; - premot[pespconn->link_cnt].remote_port = plist->pcommon.remote_port; - os_memcpy(premot[pespconn->link_cnt].remote_ip, plist->pcommon.remote_ip, 4); - pespconn->link_cnt ++; - } - plist = plist->pnext; - } - break; - default: - break; - } - *pcon_info = premot; - if (pespconn->link_cnt == 0) - return ESPCONN_ARG; - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_accept - * Description : The function given as the listen - * Parameters : espconn -- the espconn used to listen the connection - * Returns : -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_accept(struct espconn *espconn) -{ - sint8 value = ESPCONN_OK; - espconn_msg *plist = NULL; - - volatile int tmp = (int) espconn_init; - - if (espconn == NULL) { - return ESPCONN_ARG; - } else if (espconn ->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*check the active node information whether is the same as the entity or not*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (plist->pespconn && plist->pespconn->type == ESPCONN_TCP){ - if (espconn->proto.tcp->local_port == plist->pespconn->proto.tcp->local_port){ - return ESPCONN_ISCONN; - } - } - } - value = espconn_tcp_server(espconn); - - return value; -} - -/****************************************************************************** - * FunctionName : espconn_regist_time - * Description : used to specify the time that should be called when don't recv data - * Parameters : espconn -- the espconn used to the connection - * interval -- the timer when don't recv data - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_regist_time(struct espconn *espconn, uint32 interval, uint8 type_flag) -{ - espconn_msg *pnode = NULL; - espconn_msg *ptime_msg = NULL; - bool value = false; - if ((espconn == NULL) || (type_flag > 0x01)) - return ESPCONN_ARG; - - if (type_flag == 0x01){ - /*set the timeout time for one active connection of the server*/ - value = espconn_find_connection(espconn, &pnode); - if (value){ - pnode->pcommon.timeout = interval; - return ESPCONN_OK; - } else - return ESPCONN_ARG; - } else { - /*set the timeout time for all active connection of the server*/ - ptime_msg = pserver_list; - while (ptime_msg != NULL){ - if (ptime_msg->pespconn == espconn){ - ptime_msg->pcommon.timeout = interval; - return ESPCONN_OK; - } - ptime_msg = ptime_msg->pnext; - } - } - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_disconnect - * Description : disconnect with host - * Parameters : espconn -- the espconn used to disconnect the connection - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_disconnect(struct espconn *espconn) -{ - espconn_msg *pnode = NULL; - bool value = false; - - if (espconn == NULL) { - return ESPCONN_ARG;; - } else if (espconn ->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - - if (value){ - /*protect for redisconnection*/ - if (pnode->preverse == NULL && espconn->state == ESPCONN_CLOSE) - return ESPCONN_INPROGRESS; - espconn_tcp_disconnect(pnode,0); //1 force, 0 normal - return ESPCONN_OK; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_abort - * Description : Forcely abort with host - * Parameters : espconn -- the espconn used to disconnect the connection - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_abort(struct espconn *espconn) -{ - espconn_msg *pnode = NULL; - bool value = false; - - if (espconn == NULL) { - return ESPCONN_ARG;; - } else if (espconn ->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - - if (value){ - /*protect for redisconnection*/ - if (espconn->state == ESPCONN_CLOSE) - return ESPCONN_INPROGRESS; - espconn_tcp_disconnect(pnode,1); //1 force, 0 normal - return ESPCONN_OK; - } else - return ESPCONN_ARG; -} - - -/****************************************************************************** - * FunctionName : espconn_get_packet_info - * Description : get the packet info with host - * Parameters : espconn -- the espconn used to disconnect the connection - * infoarg -- the packet info - * Returns : the errur code -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_get_packet_info(struct espconn *espconn, struct espconn_packet* infoarg) -{ - espconn_msg *pnode = NULL; - err_t err; - bool value = false; - - if (espconn == NULL || infoarg == NULL) { - return ESPCONN_ARG;; - } else if (espconn->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value) { - struct tcp_pcb *pcb = pnode->pcommon.pcb; - if (pcb == NULL) - return ESPCONN_ARG; - - pnode->pcommon.packet_info.packseq_nxt = pcb->rcv_nxt; - pnode->pcommon.packet_info.packseqno = pcb->snd_nxt; - pnode->pcommon.packet_info.snd_buf_size = pcb->snd_buf; - pnode->pcommon.packet_info.total_queuelen = TCP_SND_QUEUELEN; - pnode->pcommon.packet_info.snd_queuelen = pnode->pcommon.packet_info.total_queuelen - pcb->snd_queuelen; - os_memcpy(infoarg,(void*)&pnode->pcommon.packet_info, sizeof(struct espconn_packet)); - return ESPCONN_OK; - } else { - switch (espconn->state){ - case ESPCONN_CLOSE: - os_memcpy(infoarg,(void*)&pktinfo[0], sizeof(struct espconn_packet)); - err = ESPCONN_OK; - break; - case ESPCONN_NONE: - os_memcpy(infoarg,(void*)&pktinfo[1], sizeof(struct espconn_packet)); - err = ESPCONN_OK; - break; - default: - err = ESPCONN_ARG; - break; - } - return err; - } -} - -/****************************************************************************** - * FunctionName : espconn_set_opt - * Description : set the option for connections so that we don't end up bouncing - * all connections at the same time . - * Parameters : espconn -- the espconn used to set the connection - * opt -- the option for set - * Returns : the result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_set_opt(struct espconn *espconn, uint8 opt) -{ - espconn_msg *pnode = NULL; - struct tcp_pcb *tpcb; - bool value = false; - - if (espconn == NULL) { - return ESPCONN_ARG;; - } else if (espconn->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value) { - pnode->pcommon.espconn_opt |= opt; - tpcb = pnode->pcommon.pcb; - if (espconn_delay_disabled(pnode)) - tcp_nagle_disable(tpcb); - - if (espconn_keepalive_disabled(pnode)) - espconn_keepalive_enable(tpcb); - - return ESPCONN_OK; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_clear_opt - * Description : clear the option for connections so that we don't end up bouncing - * all connections at the same time . - * Parameters : espconn -- the espconn used to set the connection - * opt -- the option for clear - * Returns : the result -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_clear_opt(struct espconn *espconn, uint8 opt) -{ - espconn_msg *pnode = NULL; - struct tcp_pcb *tpcb; - bool value = false; - - if (espconn == NULL) { - return ESPCONN_ARG;; - } else if (espconn->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value) { - pnode->pcommon.espconn_opt &= ~opt; - tpcb = pnode->pcommon.pcb; - if (espconn_keepalive_enabled(pnode)) - espconn_keepalive_disable(tpcb); - - if (espconn_delay_enabled(pnode)) - tcp_nagle_enable(tpcb); - - return ESPCONN_OK; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_set_keepalive - * Description : access level value for connection so that we set the value for - * keep alive - * Parameters : espconn -- the espconn used to set the connection - * level -- the connection's level - * value -- the value of time(s) - * Returns : access port value -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_set_keepalive(struct espconn *espconn, uint8 level, void* optarg) -{ - espconn_msg *pnode = NULL; - bool value = false; - sint8 ret = ESPCONN_OK; - - if (espconn == NULL || optarg == NULL) { - return ESPCONN_ARG;; - } else if (espconn->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value && espconn_keepalive_disabled(pnode)) { - struct tcp_pcb *pcb = pnode->pcommon.pcb; - switch (level){ - case ESPCONN_KEEPIDLE: - pcb->keep_idle = 1000 * (u32_t)(*(int*)optarg); - ret = ESPCONN_OK; - break; - case ESPCONN_KEEPINTVL: - pcb->keep_intvl = 1000 * (u32_t)(*(int*)optarg); - ret = ESPCONN_OK; - break; - case ESPCONN_KEEPCNT: - pcb->keep_cnt = (u32_t)(*(int*)optarg); - ret = ESPCONN_OK; - break; - default: - ret = ESPCONN_ARG; - break; - } - return ret; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_get_keepalive - * Description : access level value for connection so that we get the value for - * keep alive - * Parameters : espconn -- the espconn used to get the connection - * level -- the connection's level - * Returns : access keep alive value -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_get_keepalive(struct espconn *espconn, uint8 level, void *optarg) -{ - espconn_msg *pnode = NULL; - bool value = false; - sint8 ret = ESPCONN_OK; - - if (espconn == NULL || optarg == NULL) { - return ESPCONN_ARG;; - } else if (espconn->type != ESPCONN_TCP) - return ESPCONN_ARG; - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - if (value && espconn_keepalive_disabled(pnode)) { - struct tcp_pcb *pcb = pnode->pcommon.pcb; - switch (level) { - case ESPCONN_KEEPIDLE: - *(int*)optarg = (int)(pcb->keep_idle/1000); - ret = ESPCONN_OK; - break; - case ESPCONN_KEEPINTVL: - *(int*)optarg = (int)(pcb->keep_intvl/1000); - ret = ESPCONN_OK; - break; - case ESPCONN_KEEPCNT: - *(int*)optarg = (int)(pcb->keep_cnt); - ret = ESPCONN_OK; - break; - default: - ret = ESPCONN_ARG; - break; - } - return ret; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_delete - * Description : disconnect with host - * Parameters : espconn -- the espconn used to disconnect the connection - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_delete(struct espconn *espconn) -{ - espconn_msg *pnode = NULL; - bool value = false; - - if (espconn == NULL) { - return ESPCONN_ARG; - } else if (espconn ->type != ESPCONN_UDP) - return espconn_tcp_delete(espconn); - - /*Find the node depend on the espconn message*/ - value = espconn_find_connection(espconn, &pnode); - - if (value){ - espconn_udp_disconnect(pnode); - return ESPCONN_OK; - } else - return ESPCONN_ARG; -} - -/****************************************************************************** - * FunctionName : espconn_port - * Description : access port value for client so that we don't end up bouncing - * all connections at the same time . - * Parameters : none - * Returns : access port value -*******************************************************************************/ -uint32 ICACHE_FLASH_ATTR -espconn_port(void) -{ - uint32 port = 0; - static uint32 randnum = 0; - - do { - port = os_random(); - - if (port < 0) { - port = os_random() - port; - } - - port %= 0xc350; - - if (port < 0x400) { - port += 0x400; - } - - } while (port == randnum); - - randnum = port; - - return port; -} - -/****************************************************************************** - * FunctionName : espconn_gethostbyname - * Description : Resolve a hostname (string) into an IP address. - * Parameters : pespconn -- espconn to resolve a hostname - * hostname -- the hostname that is to be queried - * addr -- pointer to a ip_addr_t where to store the address if - * it is already cached in the dns_table (only valid if - * ESPCONN_OK is returned!) - * found -- a callback function to be called on success, failure - * or timeout (only if ERR_INPROGRESS is returned!) - * Returns : err_t return code - * - ESPCONN_OK if hostname is a valid IP address string or the host - * name is already in the local names table. - * - ESPCONN_INPROGRESS enqueue a request to be sent to the DNS server - * for resolution if no errors are present. - * - ESPCONN_ARG: dns client not initialized or invalid hostname -*******************************************************************************/ -err_t ICACHE_FLASH_ATTR -espconn_gethostbyname(struct espconn *pespconn, const char *hostname, ip_addr_t *addr, dns_found_callback found) -{ - return dns_gethostbyname(hostname, addr, found, pespconn); -} - -/****************************************************************************** - * FunctionName : espconn_dns_setserver - * Description : Initialize one of the DNS servers. - * Parameters : numdns -- the index of the DNS server to set must - * be < DNS_MAX_SERVERS = 2 - * dnsserver -- IP address of the DNS server to set - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_dns_setserver(u8_t numdns, ip_addr_t *dnsserver) -{ - dns_setserver(numdns,dnsserver); -} - diff --git a/tools/sdk/lwip/src/app/espconn_buf.c b/tools/sdk/lwip/src/app/espconn_buf.c deleted file mode 100644 index f91d1d23ea..0000000000 --- a/tools/sdk/lwip/src/app/espconn_buf.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * espconn_buf.c - * - * Created on: May 25, 2016 - * Author: liuhan - */ - -#include "lwip/memp.h" -#include "lwip/def.h" -#include "ets_sys.h" -#include "os_type.h" -#include "lwip/app/espconn_buf.h" - - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -#if (!defined(lwIP_unlikely)) -#define lwIP_unlikely(Expression) !!(Expression) -#endif - -#define lwIP_ASSERT(Expression) do{if(!(Expression)) {os_printf("%s %d\n", __func__, __LINE__);return;}}while(0) - -ringbuf_t ringbuf_new(size_t capacity) -{ - ringbuf_t rb = (ringbuf_t)os_zalloc(sizeof(struct ringbuf_t)); - if (rb){ - rb->size = capacity + 1; - rb->buf = (uint8*)os_zalloc(rb->size); - if (rb->buf){ - ringbuf_reset(rb); - }else{ - os_free(rb); - return NULL; - } - } - return rb; -} - -size_t ringbuf_buffer_size(const struct ringbuf_t *rb) -{ - return rb->size; -} - -void ringbuf_reset(ringbuf_t rb) -{ - rb ->head = rb->tail = rb->buf; -} - -void ringbuf_free(ringbuf_t *rb) -{ - lwIP_ASSERT(rb && *rb); - os_free((*rb)->buf); - os_free(*rb); - *rb = NULL; -} - -size_t ringbuf_capacity(const struct ringbuf_t *rb) -{ - return ringbuf_buffer_size(rb) - 1; -} - -static const uint8_t* ringbuf_end(const struct ringbuf_t *rb) -{ - return rb->buf + ringbuf_buffer_size(rb); -} - -size_t ringbuf_bytes_free(const struct ringbuf_t *rb) -{ - if (rb->head >= rb->tail){ - return ringbuf_capacity(rb) - (rb->head - rb->tail); - }else{ - return rb->tail - rb->head -1; - } -} - -size_t ringbuf_bytes_used(const struct ringbuf_t *rb) -{ - return ringbuf_capacity(rb) - ringbuf_bytes_free(rb); -} - -int ringbuf_is_full(const struct ringbuf_t *rb) -{ - return ringbuf_bytes_free(rb) == 0; -} - -int ringbuf_is_empty(const struct ringbuf_t *rb) -{ - return ringbuf_bytes_free(rb) == ringbuf_capacity(rb); -} - -const void* ringbuf_tail(const struct ringbuf_t *rb) -{ - return rb->tail; -} -const void* ringbuf_head(const struct ringbuf_t *rb) -{ - return rb->head; -} - -static uint8_t *ringbuf_nextp(ringbuf_t rb, const uint8_t *p) -{ - lwIP_ASSERT((p >= rb->buf) && (p < ringbuf_end(rb))); - return rb->buf + ((++p -rb->buf) % ringbuf_buffer_size(rb)); -} - -size_t ringbuf_findchr(const struct ringbuf_t *rb, int c, size_t offset) -{ - const uint8_t *bufend = ringbuf_end(rb); - size_t bytes_used = ringbuf_bytes_used(rb); - if (offset >= bytes_used) - return bytes_used; - - const uint8_t *start = rb ->buf + (((rb->tail - rb->buf) + offset) % ringbuf_buffer_size(rb)); - lwIP_ASSERT(bufend > start); - size_t n = LWIP_MIN(bufend - start, bytes_used - offset); - const uint8_t *found = (const uint8_t *)memchr(start, c, n); - if (found) - return offset + (found - start); - else - return ringbuf_findchr(rb, c, offset + n); -} - -size_t ringbuf_memset(ringbuf_t dst, int c, size_t len) -{ - const uint8_t *bufend = ringbuf_end(dst); - size_t nwritten = 0; - size_t count = LWIP_MIN(len, ringbuf_buffer_size(dst)); - int overflow = count > ringbuf_bytes_free(dst); - - while (nwritten != count){ - - lwIP_ASSERT(bufend > dst->head); - size_t n = LWIP_MIN(bufend - dst->head, count - nwritten); - os_memset(dst->head, c, n); - dst->head += n; - nwritten += n; - - if (dst->head == bufend) - dst->head = dst->buf; - } - - if (overflow){ - dst->tail = ringbuf_nextp(dst, dst->head); - lwIP_ASSERT(ringbuf_is_full(dst)); - } - - return nwritten; -} - -void *ringbuf_memcpy_into(ringbuf_t dst,const void *src, size_t count) -{ - const uint8_t *u8src = src; - const uint8_t *bufend = ringbuf_end(dst); - int overflow = count > ringbuf_bytes_free(dst); - size_t nread = 0; - - while (nread != count){ - lwIP_ASSERT(bufend > dst->head); - size_t n = LWIP_MIN(bufend - dst->head, count - nread); - os_memcpy(dst->head, u8src + nread, n); - dst->head += n; - nread += n; - - if (dst->head == bufend) - dst->head = dst->buf; - } - - if (overflow) { - dst->tail = ringbuf_nextp(dst, dst->head); - lwIP_ASSERT(ringbuf_is_full(dst)); - } - - return dst->head; -} - -void *ringbuf_memcpy_from(void *dst,ringbuf_t src, size_t count) -{ - size_t bytes_used = ringbuf_bytes_used(src); - - if (count > bytes_used) - return NULL; - - const uint8_t *u8dst = dst; - const uint8_t *bufend = ringbuf_end(src); - size_t nwritten = 0; - - while (nwritten != count){ - lwIP_ASSERT(bufend > src->tail); - size_t n = LWIP_MIN(bufend - src->tail, count - nwritten); - os_memcpy((uint8_t*)u8dst + nwritten, src->tail, n); - src->tail += n; - nwritten += n; - - if (src->tail == bufend) - src->tail = src->buf; - } - - lwIP_ASSERT(count + ringbuf_bytes_used(src) == bytes_used); - return src->tail; -} - - - diff --git a/tools/sdk/lwip/src/app/espconn_mdns.c b/tools/sdk/lwip/src/app/espconn_mdns.c deleted file mode 100644 index a29c64a54b..0000000000 --- a/tools/sdk/lwip/src/app/espconn_mdns.c +++ /dev/null @@ -1,134 +0,0 @@ -/****************************************************************************** - * Copyright 2013-2014 Espressif Systems (Wuxi) - * - * FileName: espconn_mdns.c - * - * Description: udp proto interface - * - * Modification history: - * 2014/3/31, v1.0 create this file. -*******************************************************************************/ - -#include "ets_sys.h" -#include "os_type.h" - -#include "lwip/mdns.h" - -/****************************************************************************** - * FunctionName : espconn_mdns_enable - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_enable(void) -{ - mdns_enable(); -} -/****************************************************************************** - * FunctionName : espconn_mdns_disable - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_disable(void) -{ - mdns_disable(); -} - -/****************************************************************************** - * FunctionName : espconn_mdns_set_hostname - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_set_hostname(char *name) -{ - mdns_set_hostname(name); -} - -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -char* ICACHE_FLASH_ATTR -espconn_mdns_get_hostname(void) -{ - return (char *)mdns_get_hostname(); -} -/****************************************************************************** - * FunctionName : espconn_mdns_get_servername - * Description : join a multicast group - * Parameters : info -- the info of mdns - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_set_servername(const char *name) -{ - mdns_set_servername(name); -} -/****************************************************************************** - * FunctionName : espconn_mdns_get_servername - * Description : join a multicast group - * Parameters : info -- the info of mdns - * Returns : none -*******************************************************************************/ -char* ICACHE_FLASH_ATTR -espconn_mdns_get_servername(void) -{ - return (char *)mdns_get_servername(); -} -/****************************************************************************** - * FunctionName : mdns_server_register - * Description : join a multicast group - * Parameters : info -- the info of mdns - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_server_register(void) -{ - mdns_server_register(); -} -/****************************************************************************** - * FunctionName : mdns_server_register - * Description : join a multicast group - * Parameters : info -- the info of mdns - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_server_unregister(void) -{ - mdns_server_unregister(); -} -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_close(void) -{ - mdns_close(); -} -/****************************************************************************** - * FunctionName : espconn_mdns_init - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR -espconn_mdns_init(struct mdns_info *info) -{ - mdns_init(info); -} diff --git a/tools/sdk/lwip/src/app/espconn_tcp.c b/tools/sdk/lwip/src/app/espconn_tcp.c deleted file mode 100644 index 69c86c228e..0000000000 --- a/tools/sdk/lwip/src/app/espconn_tcp.c +++ /dev/null @@ -1,1479 +0,0 @@ -/****************************************************************************** - * Copyright 2013-2014 Espressif Systems (Wuxi) - * - * FileName: espconn_tcp.c - * - * Description: tcp proto interface - * - * Modification history: - * 2014/3/31, v1.0 create this file. -*******************************************************************************/ - -#include "lwip/netif.h" -#include "lwip/inet.h" -#include "netif/etharp.h" -#include "lwip/tcp.h" -#include "lwip/ip.h" -#include "lwip/init.h" -#include "lwip/tcp_impl.h" -#include "lwip/memp.h" - -#include "ets_sys.h" -#include "os_type.h" -//#include "os.h" -#include "lwip/mem.h" -#include "lwip/app/espconn_tcp.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -extern espconn_msg *plink_active; -extern espconn_msg *pserver_list; -extern struct espconn_packet pktinfo[2]; -extern struct tcp_pcb ** const tcp_pcb_lists[]; - -os_event_t espconn_TaskQueue[espconn_TaskQueueLen]; - -static err_t -espconn_client_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err); -static void -espconn_client_close(void *arg, struct tcp_pcb *pcb,u8 type); - -static err_t -espconn_server_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err); -static void -espconn_server_close(void *arg, struct tcp_pcb *pcb,u8 type); - -///////////////////////////////common function///////////////////////////////// -/****************************************************************************** - * FunctionName : espconn_kill_oldest - * Description : kill the oldest TCP block - * Parameters : none - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_kill_oldest(void) -{ - struct tcp_pcb *pcb, *inactive; - u32_t inactivity; - - inactivity = 0; - inactive = NULL; - /* Go through the list of TIME_WAIT pcbs and get the oldest pcb. */ - for (pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - if ((u32_t) (tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - } - } - if (inactive != NULL) { - tcp_abort(inactive); - } - - /* Go through the list of FIN_WAIT_2 pcbs and get the oldest pcb. */ - inactivity = 0; - inactive = NULL; - for (pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->state == FIN_WAIT_1 || pcb->state == FIN_WAIT_2){ - if ((u32_t) (tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - } - } - } - /*Purges the PCB, removes it from a PCB list and frees the memory*/ - if (inactive != NULL) { - tcp_pcb_remove(&tcp_active_pcbs, inactive); - memp_free(MEMP_TCP_PCB, inactive); - } - - /* Go through the list of LAST_ACK pcbs and get the oldest pcb. */ - inactivity = 0; - inactive = NULL; - for (pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->state == LAST_ACK) { - if ((u32_t) (tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - } - } - } - /*Purges the PCB, removes it from a PCB list and frees the memory*/ - if (inactive != NULL) { - tcp_pcb_remove(&tcp_active_pcbs, inactive); - memp_free(MEMP_TCP_PCB, inactive); - } -} - -/****************************************************************************** - * FunctionName : espconn_kill_oldest_pcb - * Description : find the oldest TCP block by state - * Parameters : none - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_kill_oldest_pcb(void) -{ - struct tcp_pcb *cpcb = NULL; - uint8 i = 0; - uint8 num_tcp_fin = 0; - for(i = 2; i < 4; i ++){ - for (cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->state == TIME_WAIT){ - num_tcp_fin ++; - if (num_tcp_fin == MEMP_NUM_TCP_PCB) - break; - } - - if (cpcb->state == FIN_WAIT_1 || cpcb->state == FIN_WAIT_2 || cpcb->state == LAST_ACK){ - num_tcp_fin++; - if (num_tcp_fin == MEMP_NUM_TCP_PCB) - break; - } - } - - if (num_tcp_fin == MEMP_NUM_TCP_PCB){ - num_tcp_fin = 0; - espconn_kill_oldest(); - } else if (cpcb == NULL){ - num_tcp_fin = 0; - } - } -} - -/****************************************************************************** - * FunctionName : espconn_kill_pcb - * Description : kill all the TCP block by port - * Parameters : none - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_kill_pcb(u16_t port) -{ - struct tcp_pcb *cpcb = NULL; - uint8 i = 0; - struct tcp_pcb *inactive = NULL; - struct tcp_pcb *prev = NULL; - u8_t pcb_remove; - /* Check if the address already is in use (on all lists) */ - for (i = 1; i < 4; i++) { - cpcb = *tcp_pcb_lists[i]; - while(cpcb != NULL){ - pcb_remove = 0; - if (cpcb->local_port == port) { - ++pcb_remove; - } - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - /* Remove PCB from tcp_pcb_lists list. */ - inactive = cpcb; - cpcb = inactive->next; - tcp_pcb_remove(tcp_pcb_lists[i], inactive); - memp_free(MEMP_TCP_PCB, inactive); - } else { - cpcb = cpcb->next; - } - } - } -} - -/****************************************************************************** - * FunctionName : espconn_find_current_pcb - * Description : find the TCP block which option - * Parameters : pcurrent_msg -- the node in the list which active - * Returns : TCP block point -*******************************************************************************/ -struct tcp_pcb *ICACHE_FLASH_ATTR espconn_find_current_pcb(espconn_msg *pcurrent_msg) -{ - uint16 local_port = pcurrent_msg->pcommon.local_port; - uint32 local_ip = pcurrent_msg->pcommon.local_ip; - uint16 remote_port = pcurrent_msg->pcommon.remote_port; - uint32 remote_ip = *((uint32*)&pcurrent_msg->pcommon.remote_ip); - struct tcp_pcb *find_pcb = NULL; - if (pcurrent_msg ->preverse == NULL){/*Find the server's TCP block*/ - if (local_ip == 0|| local_port == 0) return pcurrent_msg->pcommon.pcb; - - for (find_pcb = tcp_active_pcbs; find_pcb != NULL; find_pcb = find_pcb->next){ - if ((find_pcb->remote_port == remote_port) && (find_pcb->remote_ip.addr == remote_ip) && - (find_pcb->local_port == local_port) && (find_pcb->local_ip.addr == local_ip)) - return find_pcb; - } - - for (find_pcb = tcp_tw_pcbs; find_pcb != NULL; find_pcb = find_pcb->next){ - if ((find_pcb->remote_port == remote_port) && (find_pcb->remote_ip.addr == remote_ip) && - (find_pcb->local_port == local_port) && (find_pcb->local_ip.addr == local_ip)) - return find_pcb; - } - } else {/*Find the client's TCP block*/ - if (remote_ip == 0|| remote_port == 0) return pcurrent_msg->pcommon.pcb; - - for (find_pcb = tcp_active_pcbs; find_pcb != NULL; find_pcb = find_pcb->next){ - if ((find_pcb->remote_port == remote_port) && (find_pcb->remote_ip.addr == remote_ip)) - return find_pcb; - } - - for (find_pcb = tcp_tw_pcbs; find_pcb != NULL; find_pcb = find_pcb->next){ - if ((find_pcb->remote_port == remote_port) && (find_pcb->remote_ip.addr == remote_ip)) - return find_pcb; - } - } - return NULL; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_memp_free - * Description : frees the connection memory in the server mode - * Parameters : arg -- Additional argument to pass to the function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_tcp_memp_free(espconn_msg *pmemp) -{ - struct espconn *espconn = NULL; - if (pmemp == NULL) - return; - - if (pmemp->espconn_mode == ESPCONN_TCPSERVER_MODE){ - if (pmemp->pespconn != NULL && pmemp->pespconn->proto.tcp != NULL) - os_free(pmemp->pespconn->proto.tcp); - pmemp->pespconn->proto.tcp = NULL; - - os_free(pmemp->pespconn); - pmemp->pespconn = NULL; - } - - if (pmemp->readbuf != NULL){ - ringbuf_free(&pmemp->readbuf); - } - os_free(pmemp); - pmemp = NULL; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_reconnect - * Description : reconnect with host - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_tcp_reconnect(void *arg) -{ - espconn_msg *precon_cb = arg; - sint8 re_err = 0; - espconn_buf *perr_buf = NULL; - espconn_buf *perr_back = NULL; - espconn_kill_oldest_pcb(); - if (precon_cb != NULL) { - struct espconn *espconn = precon_cb->preverse; - - re_err = precon_cb->pcommon.err; - if (precon_cb->pespconn != NULL){ - if (espconn != NULL){/*Process the server's message block*/ - if (precon_cb->pespconn->proto.tcp != NULL){ - espconn_copy_partial(espconn, precon_cb->pespconn); - } - } else {/*Process the client's message block*/ - espconn = precon_cb->pespconn; - } - } - - /*to prevent memory leaks, ensure that each allocated is deleted*/ - perr_buf = precon_cb->pcommon.pbuf; - while (perr_buf != NULL){ - perr_back = perr_buf; - perr_buf = perr_back->pnext; - espconn_pbuf_delete(&precon_cb->pcommon.pbuf,perr_back); - os_free(perr_back); - perr_back = NULL; - } - os_bzero(&pktinfo[1], sizeof(struct espconn_packet)); - os_memcpy(&pktinfo[1], (void*)&precon_cb->pcommon.packet_info, sizeof(struct espconn_packet)); - - if (espconn && espconn->proto.tcp && espconn->proto.tcp->reconnect_callback != NULL) { - espconn->proto.tcp->reconnect_callback(espconn, re_err); - } - - /*frees the connection memory*/ - espconn_tcp_memp_free(precon_cb); - } else { - espconn_printf("espconn_tcp_reconnect err\n"); - } -} - -/****************************************************************************** - * FunctionName : espconn_tcp_disconnect - * Description : disconnect with host - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_tcp_disconnect_successful(void *arg) -{ - espconn_msg *pdiscon_cb = arg; - sint8 dis_err = 0; - espconn_buf *pdis_buf = NULL; - espconn_buf *pdis_back = NULL; - espconn_kill_oldest_pcb(); - if (pdiscon_cb != NULL) { - struct espconn *espconn = pdiscon_cb->preverse; - - dis_err = pdiscon_cb->pcommon.err; - if (pdiscon_cb->pespconn != NULL){ - struct tcp_pcb *pcb = NULL; - if (espconn != NULL){/*Process the server's message block*/ - if (pdiscon_cb->pespconn->proto.tcp != NULL && espconn->proto.tcp){ - espconn_copy_partial(espconn, pdiscon_cb->pespconn); - } - } else {/*Process the client's message block*/ - espconn = pdiscon_cb->pespconn; - } - - /*process the current TCP block*/ - pcb = espconn_find_current_pcb(pdiscon_cb); - if (pcb != NULL){ - if (espconn_reuse_disabled(pdiscon_cb)) { - struct tcp_pcb *cpcb = NULL; - struct tcp_pcb *prev = NULL; - u8_t pcb_remove; - espconn_printf("espconn_tcp_disconnect_successful %d, %d\n", pcb->state, pcb->local_port); - cpcb = tcp_tw_pcbs; - while (cpcb != NULL) { - pcb_remove = 0; - if (cpcb->local_port == pcb->local_port) { - ++pcb_remove; - } - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - struct tcp_pcb *backup_pcb = NULL; - tcp_pcb_purge(cpcb); - /* Remove PCB from tcp_tw_pcbs list. */ - if (prev != NULL) { - LWIP_ASSERT("espconn_tcp_delete: middle cpcb != tcp_tw_pcbs",cpcb != tcp_tw_pcbs); - prev->next = cpcb->next; - } else { - /* This PCB was the first. */ - LWIP_ASSERT("espconn_tcp_delete: first cpcb == tcp_tw_pcbs",tcp_tw_pcbs == cpcb); - tcp_tw_pcbs = cpcb->next; - } - backup_pcb = cpcb; - cpcb = cpcb->next; - memp_free(MEMP_TCP_PCB, backup_pcb); - } else { - prev = cpcb; - cpcb = cpcb->next; - } - } - - } else { - tcp_arg(pcb, NULL); - tcp_err(pcb, NULL); - } - } - } - - /*to prevent memory leaks, ensure that each allocated is deleted*/ - pdis_buf = pdiscon_cb->pcommon.pbuf; - while (pdis_buf != NULL) { - pdis_back = pdis_buf; - pdis_buf = pdis_back->pnext; - espconn_pbuf_delete(&pdiscon_cb->pcommon.pbuf, pdis_back); - os_free(pdis_back); - pdis_back = NULL; - } - os_bzero(&pktinfo[0], sizeof(struct espconn_packet)); - os_memcpy(&pktinfo[0], (void*)&pdiscon_cb->pcommon.packet_info, sizeof(struct espconn_packet)); - - if (espconn->proto.tcp && espconn->proto.tcp->disconnect_callback != NULL) { - espconn->proto.tcp->disconnect_callback(espconn); - } - - /*frees the connection memory*/ - espconn_tcp_memp_free(pdiscon_cb); - } else { - espconn_printf("espconn_tcp_disconnect err\n"); - } -} - -/****************************************************************************** - * FunctionName : espconn_Task - * Description : espconn processing task - * Parameters : events -- contain the espconn processing data - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_Task(os_event_t *events) -{ - espconn_msg *plist = NULL; - bool active_flag = false; - espconn_msg *task_msg = NULL; - struct espconn *pespconn = NULL; - - task_msg = (espconn_msg *) events->par; - /*find the active connection node*/ - for (plist = plink_active; plist != NULL; plist = plist->pnext){ - if (task_msg == plist) { - active_flag = true; - break; - } - } - - if (active_flag){ - switch (events->sig) { - case SIG_ESPCONN_WRITE: { - pespconn = task_msg->pespconn; - if (pespconn == NULL) { - return; - } - - if (pespconn->proto.tcp->write_finish_fn != NULL) { - pespconn->proto.tcp->write_finish_fn(pespconn); - } - } - break; - case SIG_ESPCONN_ERRER: - /*remove the node from the client's active connection list*/ - espconn_list_delete(&plink_active, task_msg); - espconn_tcp_reconnect(task_msg); - break; - case SIG_ESPCONN_CLOSE: - /*remove the node from the client's active connection list*/ - espconn_list_delete(&plink_active, task_msg); - espconn_tcp_disconnect_successful(task_msg); - break; - default: - break; - } - } -} - -/****************************************************************************** - * FunctionName : espconn_tcp_sent - * Description : sent data for client or server - * Parameters : void *arg -- client or server to send - * uint8* psent -- Data to send - * uint16 length -- Length of data to send - * Returns : return espconn error code. - * - ESPCONN_OK. Successful. No error occured. - * - ESPCONN_MEM. Out of memory. - * - ESPCONN_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. -*******************************************************************************/ -err_t ICACHE_FLASH_ATTR -espconn_tcp_sent(void *arg, uint8 *psent, uint16 length) -{ - espconn_msg *ptcp_sent = arg; - struct tcp_pcb *pcb = NULL; - err_t err = 0; - u16_t len = 0; - u8_t data_to_send = false; - - espconn_printf("espconn_tcp_sent ptcp_sent %p psent %p length %d\n", ptcp_sent, psent, length); - - /*Check the parameters*/ - if (ptcp_sent == NULL || psent == NULL || length == 0) { - return ESPCONN_ARG; - } - - /*Set the packet length depend on the sender buffer space*/ - pcb = ptcp_sent->pcommon.pcb; - if (tcp_sndbuf(pcb) < length) { - len = tcp_sndbuf(pcb); - } else { - len = length; - LWIP_ASSERT("length did not fit into uint16!", (len == length)); - } - - if (len > (2*pcb->mss)) { - len = 2*pcb->mss; - } - - /*Write data for sending, but does not send it immediately*/ - do { - espconn_printf("espconn_tcp_sent writing %d bytes %p\n", len, pcb); - if (espconn_copy_disabled(ptcp_sent)) - err = tcp_write(pcb, psent, len, 1); - else - err = tcp_write(pcb, psent, len, 0); - - if (err == ERR_MEM) { - if(len < 3) - len--; - else - len /= 2; - } - - } while (err == ERR_MEM && len > 0); - - /*Find out what we can send and send it, offset the buffer point for next send*/ - if (err == ERR_OK) { - ptcp_sent->pcommon.ptail->punsent = psent + len; - ptcp_sent->pcommon.ptail->unsent = length - len; - err = tcp_output(pcb); - /*If enable the copy option, change the flag for next write*/ - if (espconn_copy_disabled(ptcp_sent)){ - if (ptcp_sent->pcommon.ptail->unsent == 0) { - ptcp_sent->pcommon.write_flag = true; - ets_post(espconn_TaskPrio, SIG_ESPCONN_WRITE, (uint32_t)ptcp_sent); - } - } - espconn_printf("espconn_tcp_sent %d\n", err); - } - return err; -} - -/****************************************************************************** - * FunctionName : espconn_close - * Description : The connection has been successfully closed. - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_tcp_disconnect(espconn_msg *pdiscon,u8 type) -{ - if (pdiscon != NULL){ - /*disconnect with the host by send the FIN frame*/ - if (pdiscon->preverse != NULL) - espconn_server_close(pdiscon, pdiscon->pcommon.pcb,type); - else - espconn_client_close(pdiscon, pdiscon->pcommon.pcb,type); - } else{ - espconn_printf("espconn_tcp_disconnect err.\n"); - } -} - -///////////////////////////////client function///////////////////////////////// -/****************************************************************************** - * FunctionName : espconn_client_close - * Description : The connection shall be actively closed. - * Parameters : pcb -- Additional argument to pass to the callback function - * pcb -- the pcb to close - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_client_close(void *arg, struct tcp_pcb *pcb, u8 type) -{ - err_t err; - espconn_msg *pclose = arg; - - pclose->pcommon.pcb = pcb; - /*avoid recalling the disconnect function*/ - tcp_recv(pcb, NULL); - - if(type == 0) - err = tcp_close(pcb); - else { - tcp_sent(pcb, NULL); - tcp_err(pcb, NULL); - tcp_abort(pcb); - err = ERR_OK; - } - - if (err != ERR_OK) { - /* closing failed, try again later */ - tcp_recv(pcb, espconn_client_recv); - } else { - /* closing succeeded */ - if (type == 0) { - tcp_sent(pcb, NULL); - tcp_err(pcb, NULL); - } - /*switch the state of espconn for application process*/ - pclose->pespconn->state = ESPCONN_CLOSE; - ets_post(espconn_TaskPrio, SIG_ESPCONN_CLOSE, (uint32_t)pclose); - } -} - -//***********Code for WIFI_BLOCK from upper************** -sint8 ICACHE_FLASH_ATTR -espconn_recv_hold(struct espconn *pespconn) -{ - //1st, according to espconn code, have to find out the escpconn_msg by pespconn; - espconn_msg *pnode = NULL; - bool value = false; - if (pespconn == NULL) { - return ESPCONN_ARG; - } - value = espconn_find_connection(pespconn, &pnode); - if(value != true) - { - os_printf("RecvHold, By pespconn,find conn_msg fail\n"); - return ESPCONN_ARG; - } - - //2nd, the actual operation - if(pnode->recv_hold_flag == 0) - { - pnode->recv_hold_flag = 1; - pnode->recv_holded_buf_Len = 0; - } - return ESPCONN_OK; -} - -sint8 ICACHE_FLASH_ATTR -espconn_recv_unhold(struct espconn *pespconn) -{ - //1st, according to espconn code, have to find out the escpconn_msg by pespconn; - espconn_msg *pnode = NULL; - bool value = false; - if (pespconn == NULL) { - return ESPCONN_ARG; - } - value = espconn_find_connection(pespconn, &pnode); - if(value != true) - { - os_printf("RecvHold, By pespconn,find conn_msg fail\n"); - return ESPCONN_ARG; - } - - //2nd, the actual operation - if(pnode->recv_hold_flag == 1) - { - if(pespconn->type == ESPCONN_TCP) { - tcp_recved(pnode->pcommon.pcb, pnode->recv_holded_buf_Len); - } - pnode->recv_holded_buf_Len = 0; - pnode->recv_hold_flag = 0; - } - return ESPCONN_OK; -} - -//***********Code for WIFI_BLOCK from upper************** -sint8 ICACHE_FLASH_ATTR -espconn_lock_recv(espconn_msg *plockmsg) -{ - if (plockmsg == NULL || plockmsg->pespconn == NULL) { - return ESPCONN_ARG; - } - - if (plockmsg->pespconn->recv_callback == NULL){ - if (plockmsg->readbuf == NULL){ - plockmsg->readbuf = ringbuf_new(TCP_WND); - if (plockmsg->readbuf == NULL) - return ESPCONN_MEM; - } - return espconn_recv_hold(plockmsg->pespconn); - } - - return ESPCONN_OK; -} - -sint8 ICACHE_FLASH_ATTR -espconn_unlock_recv(espconn_msg *punlockmsg) -{ - if (punlockmsg == NULL || punlockmsg->pespconn == NULL) { - return ESPCONN_ARG; - } - - if (punlockmsg->pespconn->recv_callback != NULL) - return espconn_recv_unhold(punlockmsg->pespconn); - - return ESPCONN_OK; -} -/****************************************************************************** - * FunctionName : espconn_client_recv - * Description : Data has been received on this pcb. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb which received data - * p -- The received data (or NULL when the connection has been closed!) - * err -- An error code if there has been an error receiving - * Returns : ERR_ABRT: if you have called tcp_abort from within the function! -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_client_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - espconn_msg *precv_cb = arg; - - tcp_arg(pcb, arg); - /*lock the window because of application layer don't need the data*/ - espconn_lock_recv(precv_cb); - - if (p != NULL) { - /*To update and advertise a larger window*/ - if(precv_cb->recv_hold_flag == 0) - tcp_recved(pcb, p->tot_len); - else - precv_cb->recv_holded_buf_Len += p->tot_len; - } - - if (precv_cb->pespconn->recv_callback != NULL){ - if (err == ERR_OK && p != NULL) { - char *pdata = NULL; - u16_t length = 0; - /*Copy the contents of a packet buffer to an application buffer. - *to prevent memory leaks, ensure that each allocated is deleted*/ - pdata = (char *)os_zalloc(p ->tot_len + 1); - length = pbuf_copy_partial(p, pdata, p ->tot_len, 0); - pbuf_free(p); - - if (length != 0) { - /*switch the state of espconn for application process*/ - precv_cb->pespconn ->state = ESPCONN_READ; - precv_cb->pcommon.pcb = pcb; - precv_cb->pespconn->recv_callback(precv_cb->pespconn, pdata, length); - - /*switch the state of espconn for next packet copy*/ - if (pcb->state == ESTABLISHED) - precv_cb->pespconn ->state = ESPCONN_CONNECT; - } - - /*to prevent memory leaks, ensure that each allocated is deleted*/ - os_free(pdata); - pdata = NULL; - } - } else{ - /*unregister receive function*/ - struct pbuf *pthis = NULL; - for (pthis = p; pthis != NULL; pthis = pthis->next) { - ringbuf_memcpy_into(precv_cb->readbuf, pthis->payload, pthis->len); - pbuf_free(pthis); - } - } - - if (err == ERR_OK && p == NULL) { - espconn_client_close(precv_cb, pcb,0); - } - - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_write - * Description : write the packet which in the active connection's list. - * Parameters : arg -- the node pointer which reverse the packet - * Returns : ESPCONN_MEM: memory error - * ESPCONN_OK:have enough space for write packet -*******************************************************************************/ -err_t ICACHE_FLASH_ATTR espconn_tcp_write(void *arg) -{ - espconn_msg *pwrite = arg; - err_t err = ERR_OK; - struct tcp_pcb *pcb = pwrite->pcommon.pcb; - /*for one active connection,limit the sender buffer space*/ - if (tcp_nagle_disabled(pcb) && (pcb->snd_queuelen >= TCP_SND_QUEUELEN)) - return ESPCONN_MEM; - - while (tcp_sndbuf(pcb) != 0){ - if (pwrite->pcommon.ptail != NULL) { - /*Find the node whether in the list's tail or not*/ - if (pwrite->pcommon.ptail->unsent == 0) { - pwrite->pcommon.ptail = pwrite->pcommon.ptail->pnext; - continue; - } - - /*Send the packet for the active connection*/ - err = espconn_tcp_sent(pwrite, pwrite->pcommon.ptail->punsent,pwrite->pcommon.ptail->unsent); - if (err != ERR_OK) - break; - } else - break; - } - return err; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_reconnect - * Description : reconnect with host - * Parameters : arg -- Additional argument to pass to the callback function - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR espconn_tcp_finish(void *arg) -{ - espconn_msg *pfinish = arg; - espconn_buf *premove = NULL; - uint16 len = 0; - espconn_tcp_write(pfinish); - while (pfinish->pcommon.pbuf != NULL){ - premove = pfinish->pcommon.pbuf; - pfinish->pcommon.pbuf->tot_len += len; - /*application packet has been sent and acknowledged by the remote host, - * to prevent memory leaks, ensure that each allocated is deleted*/ - if (premove->tot_len >= premove->len){ - espconn_pbuf_delete(&pfinish->pcommon.pbuf,premove); - len = premove->tot_len - premove->len; - pfinish->pcommon.packet_info.sent_length = premove->len; - os_free(premove); - premove = NULL; - pfinish->pespconn->state = ESPCONN_CONNECT; - if (pfinish->pespconn->sent_callback != NULL) { - pfinish->pespconn->sent_callback(pfinish->pespconn); - } - pfinish->pcommon.packet_info.sent_length = len; - } else - break; - } -} - -/****************************************************************************** - * FunctionName : espconn_client_sent - * Description : Data has been sent and acknowledged by the remote host. - * This means that more data can be sent. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb for which data has been acknowledged - * len -- The amount of bytes acknowledged - * Returns : ERR_OK: try to send some data by calling tcp_output - * ERR_ABRT: if you have called tcp_abort from within the function! -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_client_sent(void *arg, struct tcp_pcb *pcb, u16_t len) -{ - espconn_msg *psent_cb = arg; - - psent_cb->pcommon.pcb = pcb; - psent_cb->pcommon.pbuf->tot_len += len; - psent_cb->pcommon.packet_info.sent_length = len; - - /*Send more data for one active connection*/ - espconn_tcp_finish(psent_cb); - - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : espconn_client_err - * Description : The pcb had an error and is already deallocated. - * The argument might still be valid (if != NULL). - * Parameters : arg -- Additional argument to pass to the callback function - * err -- Error code to indicate why the pcb has been closed - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_client_err(void *arg, err_t err) -{ - espconn_msg *perr_cb = arg; - struct tcp_pcb *pcb = NULL; - LWIP_UNUSED_ARG(err); - - if (perr_cb != NULL) { - pcb = perr_cb->pcommon.pcb; - perr_cb->pespconn->state = ESPCONN_CLOSE; - espconn_printf("espconn_client_err %d %d %d\n", pcb->state, pcb->nrtx, err); - -// /*remove the node from the client's active connection list*/ -// espconn_list_delete(&plink_active, perr_cb); - - /*Set the error code depend on the error type and control block state*/ - if (err == ERR_ABRT) { - switch (pcb->state) { - case SYN_SENT: - if (pcb->nrtx == TCP_SYNMAXRTX) { - perr_cb->pcommon.err = ESPCONN_CONN; - } else { - perr_cb->pcommon.err = err; - } - - break; - - case ESTABLISHED: - if (pcb->nrtx == TCP_MAXRTX) { - perr_cb->pcommon.err = ESPCONN_TIMEOUT; - } else { - perr_cb->pcommon.err = err; - } - break; - - case FIN_WAIT_1: - if (pcb->nrtx == TCP_MAXRTX) { - perr_cb->pcommon.err = ESPCONN_CLSD; - } else { - perr_cb->pcommon.err = err; - } - break; - case FIN_WAIT_2: - perr_cb->pcommon.err = ESPCONN_CLSD; - break; - case CLOSED: - perr_cb->pcommon.err = ESPCONN_CONN; - break; - } - } else { - perr_cb->pcommon.err = err; - } - /*post the singer to the task for processing the connection*/ - ets_post(espconn_TaskPrio, SIG_ESPCONN_ERRER, (uint32_t)perr_cb); - } -} - -/****************************************************************************** - * FunctionName : espconn_client_connect - * Description : A new incoming connection has been connected. - * Parameters : arg -- Additional argument to pass to the callback function - * tpcb -- The connection pcb which is connected - * err -- An unused error code, always ERR_OK currently - * Returns : connection result -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_client_connect(void *arg, struct tcp_pcb *tpcb, err_t err) -{ - espconn_msg *pcon = arg; - - espconn_printf("espconn_client_connect pcon %p tpcb %p\n", pcon, tpcb); - if (err == ERR_OK){ - /*Reserve the remote information for current active connection*/ - pcon->pespconn->state = ESPCONN_CONNECT; - pcon->pcommon.err = err; - pcon->pcommon.pcb = tpcb; - pcon->pcommon.local_port = tpcb->local_port; - pcon->pcommon.local_ip = tpcb->local_ip.addr; - pcon->pcommon.remote_port = tpcb->remote_port; - pcon->pcommon.remote_ip[0] = ip4_addr1_16(&tpcb->remote_ip); - pcon->pcommon.remote_ip[1] = ip4_addr2_16(&tpcb->remote_ip); - pcon->pcommon.remote_ip[2] = ip4_addr3_16(&tpcb->remote_ip); - pcon->pcommon.remote_ip[3] = ip4_addr4_16(&tpcb->remote_ip); - pcon->pcommon.write_flag = true; - tcp_arg(tpcb, (void *) pcon); - - /*Set the specify function that should be called - * when TCP data has been successfully delivered, - * when active connection receives data*/ - tcp_sent(tpcb, espconn_client_sent); - tcp_recv(tpcb, espconn_client_recv); - /*Disable Nagle algorithm default*/ - tcp_nagle_disable(tpcb); - /*Default set the total number of espconn_buf on the unsent lists for one*/ - espconn_tcp_set_buf_count(pcon->pespconn, 1); - - if (pcon->pespconn->proto.tcp->connect_callback != NULL) { - pcon->pespconn->proto.tcp->connect_callback(pcon->pespconn); - } - - /*Enable keep alive option*/ - if (espconn_keepalive_disabled(pcon)) - espconn_keepalive_enable(tpcb); - -// /*lock the window because of application layer don't need the data*/ -// espconn_lock_recv(pcon); - } else{ - os_printf("err in host connected (%s)\n",lwip_strerr(err)); - } - return err; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_client - * Description : Initialize the client: set up a connect PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build client - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_tcp_client(struct espconn *espconn) -{ - struct tcp_pcb *pcb = NULL; - struct ip_addr ipaddr; - espconn_msg *pclient = NULL; - - /*Creates a new client control message*/ - pclient = (espconn_msg *)os_zalloc(sizeof(espconn_msg)); - if (pclient == NULL){ - return ESPCONN_MEM; - } - - /*Set an IP address given for Little-endian.*/ - IP4_ADDR(&ipaddr, espconn->proto.tcp->remote_ip[0], - espconn->proto.tcp->remote_ip[1], - espconn->proto.tcp->remote_ip[2], - espconn->proto.tcp->remote_ip[3]); - - /*Creates a new TCP protocol control block*/ - pcb = tcp_new(); - - if (pcb == NULL) { - /*to prevent memory leaks, ensure that each allocated is deleted*/ - os_free(pclient); - pclient = NULL; - return ESPCONN_MEM; - } else { - - /*insert the node to the active connection list*/ - espconn_list_creat(&plink_active, pclient); - tcp_arg(pcb, (void *)pclient); - tcp_err(pcb, espconn_client_err); - pclient->preverse = NULL; - pclient->pespconn = espconn; - pclient->pespconn->state = ESPCONN_WAIT; - pclient->pcommon.pcb = pcb; - tcp_bind(pcb, IP_ADDR_ANY, pclient->pespconn->proto.tcp->local_port); -#if 0 - pclient->pcommon.err = tcp_bind(pcb, IP_ADDR_ANY, pclient->pespconn->proto.tcp->local_port); - if (pclient->pcommon.err != ERR_OK){ - /*remove the node from the client's active connection list*/ - espconn_list_delete(&plink_active, pclient); - memp_free(MEMP_TCP_PCB, pcb); - os_free(pclient); - pclient = NULL; - return ERR_USE; - } -#endif - /*Establish the connection*/ - pclient->espconn_mode = ESPCONN_TCPCLIENT_MODE; - pclient->pcommon.err = tcp_connect(pcb, &ipaddr, - pclient->pespconn->proto.tcp->remote_port, espconn_client_connect); - if (pclient->pcommon.err == ERR_RTE){ - /*remove the node from the client's active connection list*/ - espconn_list_delete(&plink_active, pclient); - espconn_kill_pcb(pcb->local_port); - os_free(pclient); - pclient = NULL; - return ESPCONN_RTE; - } - return pclient->pcommon.err; - } -} - -///////////////////////////////server function///////////////////////////////// -/****************************************************************************** - * FunctionName : espconn_server_close - * Description : The connection shall be actively closed. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- the pcb to close - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_server_close(void *arg, struct tcp_pcb *pcb,u8 type) -{ - err_t err; - espconn_msg *psclose = arg; - - psclose->pcommon.pcb = pcb; - /*avoid recalling the disconnect function*/ - tcp_recv(pcb, NULL); - - if(type ==0) - err = tcp_close(pcb); - else { - tcp_poll(pcb, NULL, 0); - tcp_sent(pcb, NULL); - tcp_err(pcb, NULL); - tcp_abort(pcb); - err = ERR_OK; - } - - if (err != ERR_OK) { - /* closing failed, try again later */ - tcp_recv(pcb, espconn_server_recv); - } else { - /* closing succeeded */ - if (type == 0) { - tcp_poll(pcb, NULL, 0); - tcp_sent(pcb, NULL); - tcp_err(pcb, NULL); - } - /*switch the state of espconn for application process*/ - psclose->pespconn->state = ESPCONN_CLOSE; - ets_post(espconn_TaskPrio, SIG_ESPCONN_CLOSE, (uint32_t)psclose); - } -} - -/****************************************************************************** - * FunctionName : espconn_server_recv - * Description : Data has been received on this pcb. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb which received data - * p -- The received data (or NULL when the connection has been closed!) - * err -- An error code if there has been an error receiving - * Returns : ERR_ABRT: if you have called tcp_abort from within the function! -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_server_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - espconn_msg *precv_cb = arg; - - tcp_arg(pcb, arg); - espconn_printf("server has application data received: %d\n", system_get_free_heap_size()); - /*lock the window because of application layer don't need the data*/ - espconn_lock_recv(precv_cb); - - if (p != NULL) { - /*To update and advertise a larger window*/ - if(precv_cb->recv_hold_flag == 0) - tcp_recved(pcb, p->tot_len); - else - precv_cb->recv_holded_buf_Len += p->tot_len; - } - - /*register receive function*/ - if (precv_cb->pespconn->recv_callback != NULL) { - if (err == ERR_OK && p != NULL) { - u8_t *data_ptr = NULL; - u32_t data_cntr = 0; - /*clear the count for connection timeout*/ - precv_cb->pcommon.recv_check = 0; - /*Copy the contents of a packet buffer to an application buffer. - *to prevent memory leaks, ensure that each allocated is deleted*/ - data_ptr = (u8_t *) os_zalloc(p ->tot_len + 1); - data_cntr = pbuf_copy_partial(p, data_ptr, p->tot_len, 0); - pbuf_free(p); - - if (data_cntr != 0) { - /*switch the state of espconn for application process*/ - precv_cb->pespconn->state = ESPCONN_READ; - precv_cb->pcommon.pcb = pcb; - precv_cb->pespconn->recv_callback(precv_cb->pespconn, data_ptr, data_cntr); - - /*switch the state of espconn for next packet copy*/ - if (pcb->state == ESTABLISHED) - precv_cb->pespconn->state = ESPCONN_CONNECT; - } - - /*to prevent memory leaks, ensure that each allocated is deleted*/ - os_free(data_ptr); - data_ptr = NULL; - espconn_printf("server's application data has been processed: %d\n", system_get_free_heap_size()); - } - } else { - /*unregister receive function*/ - struct pbuf *pthis = NULL; - for (pthis = p; pthis != NULL; pthis = pthis->next) { - ringbuf_memcpy_into(precv_cb->readbuf, pthis->payload, pthis->len); - pbuf_free(pthis); - } - } - - if (err == ERR_OK && p == NULL) { - espconn_server_close(precv_cb, pcb, 0); - } - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : espconn_server_sent - * Description : Data has been sent and acknowledged by the remote host. - * This means that more data can be sent. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb for which data has been acknowledged - * len -- The amount of bytes acknowledged - * Returns : ERR_OK: try to send some data by calling tcp_output - * ERR_ABRT: if you have called tcp_abort from within the function! -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_server_sent(void *arg, struct tcp_pcb *pcb, u16_t len) -{ - espconn_msg *psent_cb = arg; - - psent_cb->pcommon.pcb = pcb; - psent_cb->pcommon.recv_check = 0; - psent_cb->pcommon.pbuf->tot_len += len; - psent_cb->pcommon.packet_info.sent_length = len; - - /*Send more data for one active connection*/ - espconn_tcp_finish(psent_cb); - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : espconn_server_poll - * Description : The poll function is called every 3nd second. - * If there has been no data sent (which resets the retries) in 3 seconds, close. - * If the last portion of a file has not been sent in 3 seconds, close. - * - * This could be increased, but we don't want to waste resources for bad connections. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb for which data has been acknowledged - * Returns : ERR_OK: try to send some data by calling tcp_output - * ERR_ABRT: if you have called tcp_abort from within the function! -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_server_poll(void *arg, struct tcp_pcb *pcb) -{ - espconn_msg *pspoll_cb = arg; - - /*exception calling abandon the connection for send a RST frame*/ - if (arg == NULL) { - tcp_abandon(pcb, 0); - tcp_poll(pcb, NULL, 0); - return ERR_OK; - } - - espconn_printf("espconn_server_poll %d %d\n", pspoll_cb->pcommon.recv_check, pcb->state); - pspoll_cb->pcommon.pcb = pcb; - if (pcb->state == ESTABLISHED) { - pspoll_cb->pcommon.recv_check++; - if (pspoll_cb->pcommon.timeout != 0){/*no data sent in one active connection's set timeout, close.*/ - if (pspoll_cb->pcommon.recv_check >= pspoll_cb->pcommon.timeout) { - pspoll_cb->pcommon.recv_check = 0; - espconn_server_close(pspoll_cb, pcb,0); - } - } else { - espconn_msg *ptime_msg = pserver_list; - while (ptime_msg != NULL) { - if (ptime_msg->pespconn == pspoll_cb->preverse){ - if (ptime_msg->pcommon.timeout != 0){/*no data sent in server's set timeout, close.*/ - if (pspoll_cb->pcommon.recv_check >= ptime_msg->pcommon.timeout){ - pspoll_cb->pcommon.recv_check = 0; - espconn_server_close(pspoll_cb, pcb,0); - } - } else {/*don't close for ever*/ - pspoll_cb->pcommon.recv_check = 0; - } - break; - } - ptime_msg = ptime_msg->pnext; - } - } - } else { - espconn_server_close(pspoll_cb, pcb,0); - } - - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : esponn_server_err - * Description : The pcb had an error and is already deallocated. - * The argument might still be valid (if != NULL). - * Parameters : arg -- Additional argument to pass to the callback function - * err -- Error code to indicate why the pcb has been closed - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -esponn_server_err(void *arg, err_t err) -{ - espconn_msg *pserr_cb = arg; - struct tcp_pcb *pcb = NULL; - if (pserr_cb != NULL) { - - pcb = pserr_cb->pcommon.pcb; - pserr_cb->pespconn->state = ESPCONN_CLOSE; - -// /*remove the node from the server's active connection list*/ -// espconn_list_delete(&plink_active, pserr_cb); - - /*Set the error code depend on the error type and control block state*/ - if (err == ERR_ABRT) { - switch (pcb->state) { - case SYN_RCVD: - if (pcb->nrtx == TCP_SYNMAXRTX) { - pserr_cb->pcommon.err = ESPCONN_CONN; - } else { - pserr_cb->pcommon.err = err; - } - - break; - - case ESTABLISHED: - if (pcb->nrtx == TCP_MAXRTX) { - pserr_cb->pcommon.err = ESPCONN_TIMEOUT; - } else { - pserr_cb->pcommon.err = err; - } - - break; - - case CLOSE_WAIT: - if (pcb->nrtx == TCP_MAXRTX) { - pserr_cb->pcommon.err = ESPCONN_CLSD; - } else { - pserr_cb->pcommon.err = err; - } - break; - case LAST_ACK: - pserr_cb->pcommon.err = ESPCONN_CLSD; - break; - - case CLOSED: - pserr_cb->pcommon.err = ESPCONN_CONN; - break; - default : - break; - } - } else { - pserr_cb->pcommon.err = err; - } - /*post the singer to the task for processing the connection*/ - ets_post(espconn_TaskPrio, SIG_ESPCONN_ERRER, (uint32_t)pserr_cb); - } -} - -/****************************************************************************** - * FunctionName : espconn_tcp_accept - * Description : A new incoming connection has been accepted. - * Parameters : arg -- Additional argument to pass to the callback function - * pcb -- The connection pcb which is accepted - * err -- An unused error code, always ERR_OK currently - * Returns : acception result -*******************************************************************************/ -static err_t ICACHE_FLASH_ATTR -espconn_tcp_accept(void *arg, struct tcp_pcb *pcb, err_t err) -{ - struct espconn *espconn = arg; - espconn_msg *paccept = NULL; - remot_info *pinfo = NULL; - LWIP_UNUSED_ARG(err); - - if (!espconn || !espconn->proto.tcp) { - return ERR_ARG; - } - - tcp_arg(pcb, paccept); - tcp_err(pcb, esponn_server_err); - /*Ensure the active connection is less than the count of active connections on the server*/ - espconn_get_connection_info(espconn, &pinfo , 0); - espconn_printf("espconn_tcp_accept link_cnt: %d\n", espconn->link_cnt); - if (espconn->link_cnt == espconn_tcp_get_max_con_allow(espconn)) - return ERR_ISCONN; - - /*Creates a new active connect control message*/ - paccept = (espconn_msg *)os_zalloc(sizeof(espconn_msg)); - tcp_arg(pcb, paccept); - - if (paccept == NULL) - return ERR_MEM; - /*Insert the node to the active connection list*/ - espconn_list_creat(&plink_active, paccept); - - paccept->preverse = espconn; - paccept->espconn_mode = ESPCONN_TCPSERVER_MODE; - paccept->pespconn = (struct espconn *)os_zalloc(sizeof(struct espconn)); - if (paccept->pespconn == NULL) - return ERR_MEM; - paccept->pespconn->proto.tcp = (esp_tcp *)os_zalloc(sizeof(esp_tcp)); - if (paccept->pespconn->proto.tcp == NULL) - return ERR_MEM; - - /*Reserve the remote information for current active connection*/ - paccept->pcommon.pcb = pcb; - - paccept->pcommon.remote_port = pcb->remote_port; - paccept->pcommon.remote_ip[0] = ip4_addr1_16(&pcb->remote_ip); - paccept->pcommon.remote_ip[1] = ip4_addr2_16(&pcb->remote_ip); - paccept->pcommon.remote_ip[2] = ip4_addr3_16(&pcb->remote_ip); - paccept->pcommon.remote_ip[3] = ip4_addr4_16(&pcb->remote_ip); - paccept->pcommon.write_flag = true; - - os_memcpy(espconn->proto.tcp->remote_ip, paccept->pcommon.remote_ip, 4); - espconn->proto.tcp->remote_port = pcb->remote_port; - espconn->state = ESPCONN_CONNECT; - espconn_copy_partial(paccept->pespconn, espconn); - - /*Set the specify function that should be called - * when TCP data has been successfully delivered, - * when active connection receives data, - * or periodically from active connection*/ - tcp_sent(pcb, espconn_server_sent); - tcp_recv(pcb, espconn_server_recv); - tcp_poll(pcb, espconn_server_poll, 4); /* every 1 seconds */ - /*Disable Nagle algorithm default*/ - tcp_nagle_disable(pcb); - /*Default set the total number of espconn_buf on the unsent lists for one*/ - espconn_tcp_set_buf_count(paccept->pespconn, 1); - - if (paccept->pespconn->proto.tcp->connect_callback != NULL) { - paccept->pespconn->proto.tcp->connect_callback(paccept->pespconn); - } - - /*Enable keep alive option*/ - if (espconn_keepalive_disabled(paccept)) - espconn_keepalive_enable(pcb); - -// /*lock the window because of application layer don't need the data*/ -// espconn_lock_recv(paccept); - return ERR_OK; -} - -/****************************************************************************** - * FunctionName : espconn_tcp_server - * Description : Initialize the server: set up a listening PCB and bind it to - * the defined port - * Parameters : espconn -- the espconn used to build server - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_tcp_server(struct espconn *espconn) -{ - struct tcp_pcb *pcb = NULL; - espconn_msg *pserver = NULL; - - /*Creates a new server control message*/ - pserver = (espconn_msg *)os_zalloc(sizeof(espconn_msg)); - if (pserver == NULL){ - return ESPCONN_MEM; - } - - /*Creates a new TCP protocol control block*/ - pcb = tcp_new(); - if (pcb == NULL) { - /*to prevent memory leaks, ensure that each allocated is deleted*/ - os_free(pserver); - pserver = NULL; - return ESPCONN_MEM; - } else { - struct tcp_pcb *lpcb = NULL; - /*Binds the connection to a local port number and any IP address*/ - tcp_bind(pcb, IP_ADDR_ANY, espconn->proto.tcp->local_port); - lpcb = pcb; - /*malloc and set the state of the connection to be LISTEN*/ - pcb = tcp_listen(pcb); - if (pcb != NULL) { - /*insert the node to the active connection list*/ - espconn_list_creat(&pserver_list, pserver); - pserver->preverse = pcb; - pserver->pespconn = espconn; - pserver->count_opt = MEMP_NUM_TCP_PCB; - pserver->pcommon.timeout = 0x0a; - espconn ->state = ESPCONN_LISTEN; - /*set the specify argument that should be passed callback function*/ - tcp_arg(pcb, (void *)espconn); - /*accept callback function to call for this control block*/ - tcp_accept(pcb, espconn_tcp_accept); - return ESPCONN_OK; - } else { - /*to prevent memory leaks, ensure that each allocated is deleted*/ - memp_free(MEMP_TCP_PCB,lpcb); - os_free(pserver); - pserver = NULL; - return ESPCONN_MEM; - } - } -} - -/****************************************************************************** - * FunctionName : espconn_tcp_delete - * Description : delete the server: delete a listening PCB and free it - * Parameters : pdeletecon -- the espconn used to delete a server - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR espconn_tcp_delete(struct espconn *pdeletecon) -{ - err_t err; - remot_info *pinfo = NULL; - espconn_msg *pdelete_msg = NULL; - struct tcp_pcb *pcb = NULL; - - if (pdeletecon == NULL) - return ESPCONN_ARG; - - espconn_get_connection_info(pdeletecon, &pinfo , 0); - /*make sure all the active connection have been disconnect*/ - if (pdeletecon->link_cnt != 0) - return ESPCONN_INPROGRESS; - else { - espconn_printf("espconn_tcp_delete %p\n",pdeletecon); - pdelete_msg = pserver_list; - while (pdelete_msg != NULL){ - if (pdelete_msg->pespconn == pdeletecon){ - /*remove the node from the client's active connection list*/ - espconn_list_delete(&pserver_list, pdelete_msg); - pcb = pdelete_msg->preverse; - os_printf("espconn_tcp_delete %d, %d\n",pcb->state, pcb->local_port); - espconn_kill_pcb(pcb->local_port); - err = tcp_close(pcb); - os_free(pdelete_msg); - pdelete_msg = NULL; - break; - } - pdelete_msg = pdelete_msg->pnext; - } - if (err == ERR_OK) - return err; - else - return ESPCONN_ARG; - } -} - -/****************************************************************************** - * FunctionName : espconn_init - * Description : used to init the function that should be used when - * Parameters : none - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_init(void) -{ - ets_task(espconn_Task, espconn_TaskPrio, espconn_TaskQueue, espconn_TaskQueueLen); -} diff --git a/tools/sdk/lwip/src/app/espconn_udp.c b/tools/sdk/lwip/src/app/espconn_udp.c deleted file mode 100644 index e3ac8e60f2..0000000000 --- a/tools/sdk/lwip/src/app/espconn_udp.c +++ /dev/null @@ -1,424 +0,0 @@ -/****************************************************************************** - * Copyright 2013-2014 Espressif Systems (Wuxi) - * - * FileName: espconn_udp.c - * - * Description: udp proto interface - * - * Modification history: - * 2014/3/31, v1.0 create this file. -*******************************************************************************/ - -#include "ets_sys.h" -#include "os_type.h" -//#include "os.h" - -#include "lwip/inet.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/mem.h" -#include "lwip/tcp_impl.h" -#include "lwip/udp.h" - -#include "lwip/app/espconn_udp.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -extern espconn_msg *plink_active; -extern uint8 default_interface; - -enum send_opt{ - ESPCONN_SENDTO, - ESPCONN_SEND -}; -static void ICACHE_FLASH_ATTR espconn_data_sentcb(struct espconn *pespconn) -{ - if (pespconn == NULL) { - return; - } - - if (pespconn->sent_callback != NULL) { - pespconn->sent_callback(pespconn); - } -} - -static void ICACHE_FLASH_ATTR espconn_data_sent(void *arg, enum send_opt opt) -{ - espconn_msg *psent = arg; - - if (psent == NULL) { - return; - } - - if (psent->pcommon.cntr == 0) { - psent->pespconn->state = ESPCONN_CONNECT; - if (psent->pcommon.err == 0) - espconn_data_sentcb(psent->pespconn); - } else { - if (opt == ESPCONN_SEND){ - espconn_udp_sent(arg, psent->pcommon.ptrbuf, psent->pcommon.cntr); - } else { - espconn_udp_sendto(arg, psent->pcommon.ptrbuf, psent->pcommon.cntr); - } - } -} - -/****************************************************************************** - * FunctionName : espconn_udp_sent - * Description : sent data for client or server - * Parameters : void *arg -- client or server to send - * uint8* psent -- Data to send - * uint16 length -- Length of data to send - * Returns : return espconn error code. - * - ESPCONN_OK. Successful. No error occured. - * - ESPCONN_MEM. Out of memory. - * - ESPCONN_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. -*******************************************************************************/ -err_t ICACHE_FLASH_ATTR -espconn_udp_sent(void *arg, uint8 *psent, uint16 length) -{ - espconn_msg *pudp_sent = arg; - struct udp_pcb *upcb = pudp_sent->pcommon.pcb; - struct pbuf *p, *q ,*p_temp; - u8_t *data = NULL; - u16_t cnt = 0; - u16_t datalen = 0; - u16_t i = 0; - err_t err; - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d %p\n", __LINE__, length, upcb)); - - if (pudp_sent == NULL || upcb == NULL || psent == NULL || length == 0) { - return ESPCONN_ARG; - } - - if ((IP_FRAG_MAX_MTU - 20 - 8) < length) { - datalen = IP_FRAG_MAX_MTU - 20 - 8; - } else { - datalen = length; - } - - p = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM); - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p)); - - if (p != NULL) { - q = p; - - while (q != NULL) { - data = (u8_t *)q->payload; - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, data)); - - for (i = 0; i < q->len; i++) { - data[i] = ((u8_t *) psent)[cnt++]; - } - - q = q->next; - } - } else { - return ESPCONN_MEM; - } - - upcb->remote_port = pudp_sent->pespconn->proto.udp->remote_port; - IP4_ADDR(&upcb->remote_ip, pudp_sent->pespconn->proto.udp->remote_ip[0], - pudp_sent->pespconn->proto.udp->remote_ip[1], - pudp_sent->pespconn->proto.udp->remote_ip[2], - pudp_sent->pespconn->proto.udp->remote_ip[3]); - - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %x %d\n", __LINE__, upcb->remote_ip, upcb->remote_port)); - - struct netif *sta_netif = (struct netif *)eagle_lwip_getif(0x00); - struct netif *ap_netif = (struct netif *)eagle_lwip_getif(0x01); - - if(wifi_get_opmode() == ESPCONN_AP_STA && default_interface == ESPCONN_AP_STA && sta_netif != NULL && ap_netif != NULL) - { - if(netif_is_up(sta_netif) && netif_is_up(ap_netif) && \ - ip_addr_isbroadcast(&upcb->remote_ip, sta_netif) && \ - ip_addr_isbroadcast(&upcb->remote_ip, ap_netif)) { - - p_temp = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM); - if (pbuf_copy (p_temp,p) != ERR_OK) { - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent: copying to new pbuf failed\n")); - return ESPCONN_ARG; - } - netif_set_default(sta_netif); - err = udp_send(upcb, p_temp); - pbuf_free(p_temp); - netif_set_default(ap_netif); - } - } - err = udp_send(upcb, p); - - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d\n", __LINE__, err)); - - if (p->ref != 0) { - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p)); - pbuf_free(p); - pudp_sent->pcommon.ptrbuf = psent + datalen; - pudp_sent->pcommon.cntr = length - datalen; - pudp_sent->pcommon.err = err; - espconn_data_sent(pudp_sent, ESPCONN_SEND); - if (err > 0) - return ESPCONN_IF; - return err; - } else { - pbuf_free(p); - return ESPCONN_RTE; - } -} - -/****************************************************************************** - * FunctionName : espconn_udp_sendto - * Description : sent data for UDP - * Parameters : void *arg -- UDP to send - * uint8* psent -- Data to send - * uint16 length -- Length of data to send - * Returns : return espconn error code. - * - ESPCONN_OK. Successful. No error occured. - * - ESPCONN_MEM. Out of memory. - * - ESPCONN_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. -*******************************************************************************/ -err_t ICACHE_FLASH_ATTR -espconn_udp_sendto(void *arg, uint8 *psent, uint16 length) -{ - espconn_msg *pudp_sent = arg; - struct udp_pcb *upcb = pudp_sent->pcommon.pcb; - struct espconn *pespconn = pudp_sent->pespconn; - struct pbuf *p, *q ,*p_temp; - struct ip_addr dst_ip; - u16_t dst_port; - u8_t *data = NULL; - u16_t cnt = 0; - u16_t datalen = 0; - u16_t i = 0; - err_t err; - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d %p\n", __LINE__, length, upcb)); - - if (pudp_sent == NULL || upcb == NULL || psent == NULL || length == 0) { - return ESPCONN_ARG; - } - - if ((IP_FRAG_MAX_MTU - 20 - 8) < length) { - datalen = IP_FRAG_MAX_MTU - 20 - 8; - } else { - datalen = length; - } - - p = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM); - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p)); - - if (p != NULL) { - q = p; - - while (q != NULL) { - data = (u8_t *)q->payload; - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, data)); - - for (i = 0; i < q->len; i++) { - data[i] = ((u8_t *) psent)[cnt++]; - } - - q = q->next; - } - } else { - return ESPCONN_MEM; - } - - dst_port = pespconn->proto.udp->remote_port; - IP4_ADDR(&dst_ip, pespconn->proto.udp->remote_ip[0], - pespconn->proto.udp->remote_ip[1], pespconn->proto.udp->remote_ip[2], - pespconn->proto.udp->remote_ip[3]); - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %x %d\n", __LINE__, upcb->remote_ip, upcb->remote_port)); - - struct netif *sta_netif = (struct netif *)eagle_lwip_getif(0x00); - struct netif *ap_netif = (struct netif *)eagle_lwip_getif(0x01); - - if(wifi_get_opmode() == ESPCONN_AP_STA && default_interface == ESPCONN_AP_STA && sta_netif != NULL && ap_netif != NULL) - { - if(netif_is_up(sta_netif) && netif_is_up(ap_netif) && \ - ip_addr_isbroadcast(&upcb->remote_ip, sta_netif) && \ - ip_addr_isbroadcast(&upcb->remote_ip, ap_netif)) { - - p_temp = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM); - if (pbuf_copy (p_temp,p) != ERR_OK) { - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sendto: copying to new pbuf failed\n")); - return ESPCONN_ARG; - } - netif_set_default(sta_netif); - err = udp_sendto(upcb, p_temp, &dst_ip, dst_port); - pbuf_free(p_temp); - netif_set_default(ap_netif); - } - } - err = udp_sendto(upcb, p, &dst_ip, dst_port); - - if (p->ref != 0) { - pbuf_free(p); - pudp_sent->pcommon.ptrbuf = psent + datalen; - pudp_sent->pcommon.cntr = length - datalen; - pudp_sent->pcommon.err = err; - espconn_data_sent(pudp_sent, ESPCONN_SENDTO); - - if (err > 0) - return ESPCONN_IF; - return err; - } else { - pbuf_free(p); - return ESPCONN_RTE; - } -} - -/****************************************************************************** - * FunctionName : espconn_udp_server_recv - * Description : This callback will be called when receiving a datagram. - * Parameters : arg -- user supplied argument - * upcb -- the udp_pcb which received data - * p -- the packet buffer that was received - * addr -- the remote IP address from which the packet was received - * port -- the remote port from which the packet was received - * Returns : none -*******************************************************************************/ -static void ICACHE_FLASH_ATTR -espconn_udp_recv(void *arg, struct udp_pcb *upcb, struct pbuf *p, - struct ip_addr *addr, u16_t port) -{ - espconn_msg *precv = arg; - struct pbuf *q = NULL; - u8_t *pdata = NULL; - u16_t length = 0; - struct ip_info ipconfig; - - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_server_recv %d %p\n", __LINE__, upcb)); - - precv->pcommon.remote_ip[0] = ip4_addr1_16(addr); - precv->pcommon.remote_ip[1] = ip4_addr2_16(addr); - precv->pcommon.remote_ip[2] = ip4_addr3_16(addr); - precv->pcommon.remote_ip[3] = ip4_addr4_16(addr); - precv->pcommon.remote_port = port; - precv->pcommon.pcb = upcb; - - if (wifi_get_opmode() != 1) { - wifi_get_ip_info(1, &ipconfig); - - if (!ip_addr_netcmp(addr, &ipconfig.ip, &ipconfig.netmask)) { - wifi_get_ip_info(0, &ipconfig); - } - } else { - wifi_get_ip_info(0, &ipconfig); - } - - precv->pespconn->proto.udp->local_ip[0] = ip4_addr1_16(&ipconfig.ip); - precv->pespconn->proto.udp->local_ip[1] = ip4_addr2_16(&ipconfig.ip); - precv->pespconn->proto.udp->local_ip[2] = ip4_addr3_16(&ipconfig.ip); - precv->pespconn->proto.udp->local_ip[3] = ip4_addr4_16(&ipconfig.ip); - - if (p != NULL) { - pdata = (u8_t *)os_zalloc(p ->tot_len + 1); - length = pbuf_copy_partial(p, pdata, p ->tot_len, 0); - precv->pcommon.pcb = upcb; - pbuf_free(p); - if (length != 0) { - if (precv->pespconn->recv_callback != NULL) { - precv->pespconn->recv_callback(precv->pespconn, pdata, length); - } - } - os_free(pdata); - } else { - return; - } -} - -/****************************************************************************** - * FunctionName : espconn_udp_disconnect - * Description : A new incoming connection has been disconnected. - * Parameters : espconn -- the espconn used to disconnect with host - * Returns : none -*******************************************************************************/ -void ICACHE_FLASH_ATTR espconn_udp_disconnect(espconn_msg *pdiscon) -{ - if (pdiscon == NULL) { - return; - } - - struct udp_pcb *upcb = pdiscon->pcommon.pcb; - - udp_disconnect(upcb); - - udp_remove(upcb); - - espconn_list_delete(&plink_active, pdiscon); - - os_free(pdiscon); - pdiscon = NULL; -} - -/****************************************************************************** - * FunctionName : espconn_udp_server - * Description : Initialize the server: set up a PCB and bind it to the port - * Parameters : pespconn -- the espconn used to build server - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_udp_server(struct espconn *pespconn) -{ - struct udp_pcb *upcb = NULL; - espconn_msg *pserver = NULL; - upcb = udp_new(); - - if (upcb == NULL) { - return ESPCONN_MEM; - } else { - pserver = (espconn_msg *)os_zalloc(sizeof(espconn_msg)); - - if (pserver == NULL) { - udp_remove(upcb); - return ESPCONN_MEM; - } - - pserver->pcommon.pcb = upcb; - pserver->pespconn = pespconn; - espconn_list_creat(&plink_active, pserver); - udp_bind(upcb, IP_ADDR_ANY, pserver->pespconn->proto.udp->local_port); - udp_recv(upcb, espconn_udp_recv, (void *)pserver); - return ESPCONN_OK; - } -} - -/****************************************************************************** - * FunctionName : espconn_igmp_leave - * Description : leave a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_igmp_leave(ip_addr_t *host_ip, ip_addr_t *multicast_ip) -{ - if (igmp_leavegroup(host_ip, multicast_ip) != ERR_OK) { - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("udp_leave_multigrup failed!\n")); - return -1; - }; - - return ESPCONN_OK; -} - -/****************************************************************************** - * FunctionName : espconn_igmp_join - * Description : join a multicast group - * Parameters : host_ip -- the ip address of udp server - * multicast_ip -- multicast ip given by user - * Returns : none -*******************************************************************************/ -sint8 ICACHE_FLASH_ATTR -espconn_igmp_join(ip_addr_t *host_ip, ip_addr_t *multicast_ip) -{ - if (igmp_joingroup(host_ip, multicast_ip) != ERR_OK) { - LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("udp_join_multigrup failed!\n")); - return -1; - }; - - /* join to any IP address at the port */ - return ESPCONN_OK; -} diff --git a/tools/sdk/lwip/src/app/netio.c b/tools/sdk/lwip/src/app/netio.c deleted file mode 100644 index 47b3599341..0000000000 --- a/tools/sdk/lwip/src/app/netio.c +++ /dev/null @@ -1,369 +0,0 @@ -/** - * @file - * MetIO Server - * - */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ -#include "lwip/opt.h" - -#if LWIP_TCP -#include "lwip/tcp.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* - * This implements a netio server. - * The client sends a command word (4 bytes) then a data length word (4 bytes). - * If the command is "receive", the server is to consume "data length" bytes into - * a circular buffer until the first byte is non-zero, then it is to consume - * another command/data pair. - * If the command is "send", the server is to send "data length" bytes from a circular - * buffer with the first byte being zero, until "some time" (6 seconds in the - * current netio126.zip download) has passed and then send one final buffer with - * the first byte being non-zero. Then it is to consume another command/data pair. - */ - -/* See http://www.nwlab.net/art/netio/netio.html to get the netio tool */ - -/* implementation options */ -#define NETIO_BUF_SIZE (4 * 1024) -#define NETIO_USE_STATIC_BUF 0 - -/* NetIO server state definition */ -#define NETIO_STATE_WAIT_FOR_CMD 0 -#define NETIO_STATE_RECV_DATA 1 -#define NETIO_STATE_SEND_DATA 2 -#define NETIO_STATE_SEND_DATA_LAST 3 -#define NETIO_STATE_DONE 4 - -struct netio_state { - u32_t state; - u32_t cmd; - u32_t data_len; - u32_t cntr; - u8_t * buf_ptr; - u32_t buf_pos; - u32_t first_byte; - u32_t time_stamp; -}; - -/* NetIO command protocol definition */ -#define NETIO_CMD_QUIT 0 -#define NETIO_CMD_C2S 1 -#define NETIO_CMD_S2C 2 -#define NETIO_CMD_RES 3 - -static err_t netio_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err); - -static void ICACHE_FLASH_ATTR -netio_close(void *arg, struct tcp_pcb *pcb) -{ - err_t err; - - struct netio_state *ns = arg; - ns->state = NETIO_STATE_DONE; - tcp_recv(pcb, NULL); - err = tcp_close(pcb); - - if (err != ERR_OK) { - /* closing failed, try again later */ - tcp_recv(pcb, netio_recv); - } else { - /* closing succeeded */ -#if NETIO_USE_STATIC_BUF != 1 - if(ns->buf_ptr != NULL){ - mem_free(ns->buf_ptr); - } -#endif - tcp_arg(pcb, NULL); - tcp_poll(pcb, NULL, 0); - tcp_sent(pcb, NULL); - if (arg != NULL) { - mem_free(arg); - } - } -} - -static err_t ICACHE_FLASH_ATTR -netio_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - struct netio_state *ns = arg; - u8_t * data_ptr; - u32_t data_cntr; - struct pbuf *q = p; - u16_t len; - - if (p != NULL) { - tcp_recved(pcb, p->tot_len); - } - - if (err == ERR_OK && q != NULL) { - - while (q != NULL) { - data_cntr = q->len; - data_ptr = q->payload; - while (data_cntr--) { - if (ns->state == NETIO_STATE_DONE){ - netio_close(ns, pcb); - break; - } else if (ns->state == NETIO_STATE_WAIT_FOR_CMD) { - if (ns->cntr < 4) { - /* build up the CMD field */ - ns->cmd <<= 8; - ns->cmd |= *data_ptr++; - ns->cntr++; - } else if (ns->cntr < 8) { - /* build up the DATA field */ - ns->data_len <<= 8; - ns->data_len |= *data_ptr++; - ns->cntr++; - - if (ns->cntr == 8) { - /* now we have full command and data words */ - ns->cntr = 0; - ns->buf_pos = 0; - ns->buf_ptr[0] = 0; - if (ns->cmd == NETIO_CMD_C2S) { - ns->state = NETIO_STATE_RECV_DATA; - } else if (ns->cmd == NETIO_CMD_S2C) { - ns->state = NETIO_STATE_SEND_DATA; - /* start timer */ - ns->time_stamp = sys_now(); - /* send first round of data */ - - len = tcp_sndbuf(pcb); - len = LWIP_MIN(len, ns->data_len - ns->cntr); - len = LWIP_MIN(len, NETIO_BUF_SIZE - ns->buf_pos); - - do { - err = tcp_write(pcb, ns->buf_ptr + ns->buf_pos, len, TCP_WRITE_FLAG_COPY); - if (err == ERR_MEM) { - len /= 2; - } - } while ((err == ERR_MEM) && (len > 1)); - - ns->buf_pos += len; - ns->cntr += len; - - } else { - /* unrecognized command, punt */ - ns->cntr = 0; - ns->buf_pos = 0; - ns->buf_ptr[0] = 0; - netio_close(ns, pcb); - break; - } - } - } else { - /* in trouble... shouldn't be in this state! */ - } - - } else if (ns->state == NETIO_STATE_RECV_DATA) { - - if(ns->cntr == 0){ - /* save the first byte of this new round of data - * this will not match ns->buf_ptr[0] in the case that - * NETIO_BUF_SIZE is less than ns->data_len. - */ - ns->first_byte = *data_ptr; - } - - ns->buf_ptr[ns->buf_pos++] = *data_ptr++; - ns->cntr++; - - if (ns->buf_pos == NETIO_BUF_SIZE) { - /* circularize the buffer */ - ns->buf_pos = 0; - } - - if(ns->cntr == ns->data_len){ - ns->cntr = 0; - if (ns->first_byte != 0) { - /* if this last round did not start with 0, - * go look for another command */ - ns->state = NETIO_STATE_WAIT_FOR_CMD; - ns->data_len = 0; - ns->cmd = 0; - /* TODO LWIP_DEBUGF( print out some throughput calculation results... ); */ - } else { - /* stay here and wait on more data */ - } - } - - } else if (ns->state == NETIO_STATE_SEND_DATA - || ns->state == NETIO_STATE_SEND_DATA_LAST) { - /* I don't think this should happen... */ - } else { - /* done / quit */ - netio_close(ns, pcb); - break; - } /* end of ns->state condition */ - } /* end of while data still in this pbuf */ - - q = q->next; - } - - pbuf_free(p); - - } else { - - /* error or closed by other side */ - if (p != NULL) { - pbuf_free(p); - } - - /* close the connection */ - netio_close(ns, pcb); - - } - return ERR_OK; - -} - -static err_t ICACHE_FLASH_ATTR -netio_sent(void *arg, struct tcp_pcb *pcb, u16_t len) -{ - struct netio_state *ns = arg; - err_t err = ERR_OK; - - if (ns->cntr >= ns->data_len && ns->state == NETIO_STATE_SEND_DATA) { - /* done with this round of sending */ - ns->buf_pos = 0; - ns->cntr = 0; - - /* check if timer expired */ - if (sys_now() - ns->time_stamp > 600) { - ns->buf_ptr[0] = 1; - ns->state = NETIO_STATE_SEND_DATA_LAST; - } else { - ns->buf_ptr[0] = 0; - } - } - - if(ns->state == NETIO_STATE_SEND_DATA_LAST || ns->state == NETIO_STATE_SEND_DATA){ - len = tcp_sndbuf(pcb); - len = LWIP_MIN(len, ns->data_len - ns->cntr); - len = LWIP_MIN(len, NETIO_BUF_SIZE - ns->buf_pos); - - if(ns->cntr < ns->data_len){ - do { - err = tcp_write(pcb, ns->buf_ptr + ns->buf_pos, len, TCP_WRITE_FLAG_COPY); - if (err == ERR_MEM) { - len /= 2; - } - } while ((err == ERR_MEM) && (len > 1)); - - ns->buf_pos += len; - if(ns->buf_pos >= NETIO_BUF_SIZE){ - ns->buf_pos = 0; - } - - ns->cntr += len; - } - } - - if(ns->cntr >= ns->data_len && ns->state == NETIO_STATE_SEND_DATA_LAST){ - /* we have buffered up all our data to send this last round, go look for a command */ - ns->state = NETIO_STATE_WAIT_FOR_CMD; - ns->cntr = 0; - /* TODO LWIP_DEBUGF( print out some throughput calculation results... ); */ - } - - return ERR_OK; -} - -static err_t ICACHE_FLASH_ATTR -netio_poll(void *arg, struct tcp_pcb *pcb) -{ - struct netio_state * ns = arg; - if(ns->state == NETIO_STATE_SEND_DATA){ - - } else if(ns->state == NETIO_STATE_DONE){ - netio_close(ns, pcb); - } - - return ERR_OK; - -} - -#if NETIO_USE_STATIC_BUF == 1 -static u8_t netio_buf[NETIO_BUF_SIZE]; -#endif - -static err_t ICACHE_FLASH_ATTR -netio_accept(void *arg, struct tcp_pcb *pcb, err_t err) -{ - struct netio_state * ns; - - LWIP_UNUSED_ARG(err); - - ns = (struct netio_state *)mem_malloc(sizeof(struct netio_state)); - - if(ns == NULL){ - return ERR_MEM; - } - - ns->state = NETIO_STATE_WAIT_FOR_CMD; - ns->data_len = 0; - ns->cmd = 0; - ns->cntr = 0; - ns->buf_pos = 0; -#if NETIO_USE_STATIC_BUF == 1 - ns->buf_ptr = netio_buf; -#else - ns->buf_ptr = (u8_t *)mem_malloc(NETIO_BUF_SIZE); - - if(ns->buf_ptr == NULL){ - mem_free(ns); - return ERR_MEM; - } -#endif - - ns->buf_ptr[0] = 0; - - tcp_arg(pcb, ns); - tcp_sent(pcb, netio_sent); - tcp_recv(pcb, netio_recv); - tcp_poll(pcb, netio_poll, 4); /* every 2 seconds */ - return ERR_OK; -} - -void ICACHE_FLASH_ATTR netio_init(void) -{ - struct tcp_pcb *pcb; - - pcb = tcp_new(); - tcp_bind(pcb, IP_ADDR_ANY, 18767); - pcb = tcp_listen(pcb); - tcp_accept(pcb, netio_accept); -} - -#endif /* LWIP_TCP */ diff --git a/tools/sdk/lwip/src/app/ping.c b/tools/sdk/lwip/src/app/ping.c deleted file mode 100644 index 6bd6f0ea07..0000000000 --- a/tools/sdk/lwip/src/app/ping.c +++ /dev/null @@ -1,329 +0,0 @@ -/** - * @file - * Ping sender module - * - */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -/** - * This is an example of a "ping" sender (with raw API and socket API). - * It can be used as a start point to maintain opened a network connection, or - * like a network "watchdog" for your device. - * - */ - -/* - * copyright (c) 2010 - 2011 Espressif System - */ - -#include "lwip/opt.h" - -#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/mem.h" -#include "lwip/raw.h" -#include "lwip/icmp.h" -#include "lwip/netif.h" -#include "lwip/sys.h" -#include "lwip/timers.h" -#include "lwip/inet_chksum.h" -#include "os_type.h" -#include "osapi.h" - -#include "lwip/app/ping.h" - -#if PING_USE_SOCKETS -#include "lwip/sockets.h" -#include "lwip/inet.h" -#endif /* PING_USE_SOCKETS */ - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* ping variables */ -static u16_t ping_seq_num = 0; -static u32_t ping_time; - -static void ICACHE_FLASH_ATTR ping_timeout(void* arg) -{ - struct ping_msg *pingmsg = (struct ping_msg *)arg; - pingmsg->timeout_count ++; - if (pingmsg->ping_opt->recv_function == NULL){ - os_printf("ping timeout\n"); - } else { - struct ping_resp pingresp; - os_bzero(&pingresp, sizeof(struct ping_resp)); - pingresp.ping_err = -1; - pingmsg->ping_opt->recv_function(pingmsg->ping_opt, (void*)&pingresp); - } -} - -/** Prepare a echo ICMP request */ -static void ICACHE_FLASH_ATTR -ping_prepare_echo( struct icmp_echo_hdr *iecho, u16_t len) -{ - size_t i = 0; - size_t data_len = len - sizeof(struct icmp_echo_hdr); - - ICMPH_TYPE_SET(iecho, ICMP_ECHO); - ICMPH_CODE_SET(iecho, 0); - iecho->chksum = 0; - iecho->id = PING_ID; - ++ ping_seq_num; - if (ping_seq_num == 0x7fff) - ping_seq_num = 0; - - iecho->seqno = htons(ping_seq_num); - - /* fill the additional data buffer with some data */ - for(i = 0; i < data_len; i++) { - ((char*)iecho)[sizeof(struct icmp_echo_hdr) + i] = (char)i; - } - - iecho->chksum = inet_chksum(iecho, len); -} - -static void ICACHE_FLASH_ATTR -ping_prepare_er(struct icmp_echo_hdr *iecho, u16_t len) -{ - - ICMPH_TYPE_SET(iecho, ICMP_ER); - ICMPH_CODE_SET(iecho, 0); - iecho->chksum = 0; - - iecho->chksum = inet_chksum(iecho, len); -} - -/* Ping using the raw ip */ -static u8_t ICACHE_FLASH_ATTR -ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *addr) -{ - struct icmp_echo_hdr *iecho = NULL; - static u16_t seqno = 0; - struct ping_msg *pingmsg = (struct ping_msg*)arg; - - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_ASSERT("p != NULL", p != NULL); - - if (pbuf_header( p, -PBUF_IP_HLEN)==0) { - iecho = (struct icmp_echo_hdr *)p->payload; - - if ((iecho->id == PING_ID) && (iecho->seqno == htons(ping_seq_num)) && iecho->type == ICMP_ER) { - LWIP_DEBUGF( PING_DEBUG, ("ping: recv ")); - ip_addr_debug_print(PING_DEBUG, addr); - LWIP_DEBUGF( PING_DEBUG, (" %"U32_F" ms\n", (sys_now()-ping_time))); - if (iecho->seqno != seqno){ - /* do some ping result processing */ - { - struct ip_hdr *iphdr = NULL; - char ipaddrstr[16]; - ip_addr_t source_ip; - sys_untimeout(ping_timeout, pingmsg); - os_bzero(&source_ip, sizeof(ip_addr_t)); - os_bzero(ipaddrstr, sizeof(ipaddrstr)); - uint32 delay = system_relative_time(pingmsg->ping_sent); - delay /= PING_COARSE; - iphdr = (struct ip_hdr*)((u8*)iecho - PBUF_IP_HLEN); - source_ip.addr = iphdr->src.addr; - ipaddr_ntoa_r(&source_ip,ipaddrstr, sizeof(ipaddrstr)); - if (pingmsg->ping_opt->recv_function == NULL){ - os_printf("recv %s: byte = %d, time = %d ms, seq = %d\n",ipaddrstr, PING_DATA_SIZE, delay, ntohs(iecho->seqno)); - } else { - struct ping_resp pingresp; - os_bzero(&pingresp, sizeof(struct ping_resp)); - pingresp.bytes = PING_DATA_SIZE; - pingresp.resp_time = delay; - pingresp.seqno = ntohs(iecho->seqno); - pingresp.ping_err = 0; - pingmsg->ping_opt->recv_function(pingmsg->ping_opt,(void*) &pingresp); - } - } - seqno = iecho->seqno; - } - - PING_RESULT(1); - pbuf_free(p); - return 1; /* eat the packet */ - } -// } else if(iecho->type == ICMP_ECHO){ -// struct pbuf *q = NULL; -// os_printf("receive ping request:seq=%d\n", ntohs(iecho->seqno)); -// q = pbuf_alloc(PBUF_IP, (u16_t)p->tot_len, PBUF_RAM); -// if (q!=NULL) { -// pbuf_copy(q, p); -// iecho = (struct icmp_echo_hdr *)q->payload; -// ping_prepare_er(iecho, q->tot_len); -// raw_sendto(pcb, q, addr); -// pbuf_free(q); -// } -// pbuf_free(p); -// return 1; -// } - } - - return 0; /* don't eat the packet */ -} - -static void ICACHE_FLASH_ATTR -ping_send(struct raw_pcb *raw, ip_addr_t *addr) -{ - struct pbuf *p = NULL; - struct icmp_echo_hdr *iecho = NULL; - size_t ping_size = sizeof(struct icmp_echo_hdr) + PING_DATA_SIZE; - - LWIP_DEBUGF( PING_DEBUG, ("ping: send ")); - ip_addr_debug_print(PING_DEBUG, addr); - LWIP_DEBUGF( PING_DEBUG, ("\n")); - LWIP_ASSERT("ping_size <= 0xffff", ping_size <= 0xffff); - - p = pbuf_alloc(PBUF_IP, (u16_t)ping_size, PBUF_RAM); - if (!p) { - return; - } - if ((p->len == p->tot_len) && (p->next == NULL)) { - iecho = (struct icmp_echo_hdr *)p->payload; - - ping_prepare_echo(iecho, (u16_t)ping_size); - - raw_sendto(raw, p, addr); - ping_time = sys_now(); - } - pbuf_free(p); -} - -static void ICACHE_FLASH_ATTR -ping_coarse_tmr(void *arg) -{ - struct ping_msg *pingmsg = (struct ping_msg*)arg; - struct ping_option *ping_opt= NULL; - struct ping_resp pingresp; - ip_addr_t ping_target; - - LWIP_ASSERT("ping_timeout: no pcb given!", pingmsg != NULL); - ping_target.addr = pingmsg->ping_opt->ip; - ping_opt = pingmsg->ping_opt; - if (--pingmsg->sent_count != 0){ - pingmsg ->ping_sent = system_get_time(); - ping_send(pingmsg->ping_pcb, &ping_target); - - sys_timeout(PING_TIMEOUT_MS, ping_timeout, pingmsg); - sys_timeout(pingmsg->coarse_time, ping_coarse_tmr, pingmsg); - } else { - uint32 delay = system_relative_time(pingmsg->ping_start); - delay /= PING_COARSE; -// ping_seq_num = 0; - if (ping_opt->sent_function == NULL){ - os_printf("ping %d, timeout %d, total payload %d bytes, %d ms\n", - pingmsg->max_count, pingmsg->timeout_count, PING_DATA_SIZE*(pingmsg->max_count - pingmsg->timeout_count),delay); - } else { - os_bzero(&pingresp, sizeof(struct ping_resp)); - pingresp.total_count = pingmsg->max_count; - pingresp.timeout_count = pingmsg->timeout_count; - pingresp.total_bytes = PING_DATA_SIZE*(pingmsg->max_count - pingmsg->timeout_count); - pingresp.total_time = delay; - pingresp.ping_err = 0; - } - sys_untimeout(ping_coarse_tmr, pingmsg); - raw_remove(pingmsg->ping_pcb); - os_free(pingmsg); - if (ping_opt->sent_function != NULL) - ping_opt->sent_function(ping_opt,(uint8*)&pingresp); - } -} - -static bool ICACHE_FLASH_ATTR -ping_raw_init(struct ping_msg *pingmsg) -{ - if (pingmsg == NULL) - return false; - - ip_addr_t ping_target; - pingmsg->ping_pcb = raw_new(IP_PROTO_ICMP); - LWIP_ASSERT("ping_pcb != NULL", pingmsg->ping_pcb != NULL); - - raw_recv(pingmsg->ping_pcb, ping_recv, pingmsg); - raw_bind(pingmsg->ping_pcb, IP_ADDR_ANY); - - ping_target.addr = pingmsg->ping_opt->ip; - pingmsg ->ping_sent = system_get_time(); - ping_send(pingmsg->ping_pcb, &ping_target); - - sys_timeout(PING_TIMEOUT_MS, ping_timeout, pingmsg); - sys_timeout(pingmsg->coarse_time, ping_coarse_tmr, pingmsg); - return true; -} - -bool ICACHE_FLASH_ATTR -ping_start(struct ping_option *ping_opt) -{ - struct ping_msg *pingmsg = NULL; - pingmsg = (struct ping_msg *)os_zalloc(sizeof(struct ping_msg)); - if (pingmsg == NULL || ping_opt == NULL) - return false; - - pingmsg->ping_opt = ping_opt; - if (ping_opt->count != 0) - pingmsg->max_count = ping_opt->count; - else - pingmsg->max_count = DEFAULT_PING_MAX_COUNT; - - if (ping_opt->coarse_time != 0) - pingmsg->coarse_time = ping_opt->coarse_time * PING_COARSE; - else - pingmsg->coarse_time = PING_COARSE; - - pingmsg->ping_start = system_get_time(); - pingmsg->sent_count = pingmsg->max_count; - return ping_raw_init(pingmsg); -} - -bool ICACHE_FLASH_ATTR -ping_regist_recv(struct ping_option *ping_opt, ping_recv_function ping_recv) -{ - if (ping_opt == NULL) - return false; - - ping_opt ->recv_function = ping_recv; - return true; -} - -bool ICACHE_FLASH_ATTR -ping_regist_sent(struct ping_option *ping_opt, ping_sent_function ping_sent) -{ - if (ping_opt == NULL) - return false; - - ping_opt ->sent_function = ping_sent; - return true; -} - -#endif /* LWIP_RAW */ diff --git a/tools/sdk/lwip/src/core/def.c b/tools/sdk/lwip/src/core/def.c deleted file mode 100644 index 352b55241a..0000000000 --- a/tools/sdk/lwip/src/core/def.c +++ /dev/null @@ -1,108 +0,0 @@ -/** - * @file - * Common functions used throughout the stack. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Simon Goldschmidt - * - */ - -#include "lwip/opt.h" -#include "lwip/def.h" - -/** - * These are reference implementations of the byte swapping functions. - * Again with the aim of being simple, correct and fully portable. - * Byte swapping is the second thing you would want to optimize. You will - * need to port it to your architecture and in your cc.h: - * - * #define LWIP_PLATFORM_BYTESWAP 1 - * #define LWIP_PLATFORM_HTONS(x) - * #define LWIP_PLATFORM_HTONL(x) - * - * Note ntohs() and ntohl() are merely references to the htonx counterparts. - */ - -#if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) - -/** - * Convert an u16_t from host- to network byte order. - * - * @param n u16_t in host byte order - * @return n in network byte order - */ -u16_t -lwip_htons(u16_t n) -{ - return ((n & 0xff) << 8) | ((n & 0xff00) >> 8); -} - -/** - * Convert an u16_t from network- to host byte order. - * - * @param n u16_t in network byte order - * @return n in host byte order - */ -u16_t -lwip_ntohs(u16_t n) -{ - return lwip_htons(n); -} - -/** - * Convert an u32_t from host- to network byte order. - * - * @param n u32_t in host byte order - * @return n in network byte order - */ -u32_t -lwip_htonl(u32_t n) -{ - return ((n & 0xff) << 24) | - ((n & 0xff00) << 8) | - ((n & 0xff0000UL) >> 8) | - ((n & 0xff000000UL) >> 24); -} - -/** - * Convert an u32_t from network- to host byte order. - * - * @param n u32_t in network byte order - * @return n in host byte order - */ -u32_t -lwip_ntohl(u32_t n) -{ - return lwip_htonl(n); -} - -#endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */ diff --git a/tools/sdk/lwip/src/core/dhcp.c b/tools/sdk/lwip/src/core/dhcp.c deleted file mode 100755 index 17b2a47e10..0000000000 --- a/tools/sdk/lwip/src/core/dhcp.c +++ /dev/null @@ -1,1815 +0,0 @@ -/** - * @file - * Dynamic Host Configuration Protocol client - * - */ - -/* - * - * Copyright (c) 2001-2004 Leon Woestenberg - * Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. - * - * Author: Leon Woestenberg - * - * This is a DHCP client for the lwIP TCP/IP stack. It aims to conform - * with RFC 2131 and RFC 2132. - * - * TODO: - * - Support for interfaces other than Ethernet (SLIP, PPP, ...) - * - * Please coordinate changes and requests with Leon Woestenberg - * - * - * Integration with your code: - * - * In lwip/dhcp.h - * #define DHCP_COARSE_TIMER_SECS (recommended 60 which is a minute) - * #define DHCP_FINE_TIMER_MSECS (recommended 500 which equals TCP coarse timer) - * - * Then have your application call dhcp_coarse_tmr() and - * dhcp_fine_tmr() on the defined intervals. - * - * dhcp_start(struct netif *netif); - * starts a DHCP client instance which configures the interface by - * obtaining an IP address lease and maintaining it. - * - * Use dhcp_release(netif) to end the lease and use dhcp_stop(netif) - * to remove the DHCP client. - * - */ - -#include "lwip/opt.h" - -#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/stats.h" -#include "lwip/mem.h" -#include "lwip/udp.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/def.h" -#include "lwip/sys.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "lwip/dns.h" -#include "netif/etharp.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/** Default for DHCP_GLOBAL_XID is 0xABCD0000 - * This can be changed by defining DHCP_GLOBAL_XID and DHCP_GLOBAL_XID_HEADER, e.g. - * #define DHCP_GLOBAL_XID_HEADER "stdlib.h" - * #define DHCP_GLOBAL_XID rand() - */ -#ifdef DHCP_GLOBAL_XID_HEADER -#include DHCP_GLOBAL_XID_HEADER /* include optional starting XID generation prototypes */ -#endif - -/** DHCP_OPTION_MAX_MSG_SIZE is set to the MTU - * MTU is checked to be big enough in dhcp_start */ -#define DHCP_MAX_MSG_LEN(netif) (netif->mtu) -#define DHCP_MAX_MSG_LEN_MIN_REQUIRED 576 -/** Minimum length for reply before packet is parsed */ -#define DHCP_MIN_REPLY_LEN 44 - -#define REBOOT_TRIES 2 - -/** Option handling: options are parsed in dhcp_parse_reply - * and saved in an array where other functions can load them from. - * This might be moved into the struct dhcp (not necessarily since - * lwIP is single-threaded and the array is only used while in recv - * callback). */ -#define DHCP_OPTION_IDX_OVERLOAD 0 -#define DHCP_OPTION_IDX_MSG_TYPE 1 -#define DHCP_OPTION_IDX_SERVER_ID 2 -#define DHCP_OPTION_IDX_LEASE_TIME 3 -#define DHCP_OPTION_IDX_T1 4 -#define DHCP_OPTION_IDX_T2 5 -#define DHCP_OPTION_IDX_SUBNET_MASK 6 -#define DHCP_OPTION_IDX_ROUTER 7 -#define DHCP_OPTION_IDX_DNS_SERVER 8 -#define DHCP_OPTION_IDX_MAX (DHCP_OPTION_IDX_DNS_SERVER + DNS_MAX_SERVERS) - -/** Holds the decoded option values, only valid while in dhcp_recv. - @todo: move this into struct dhcp? */ -u32_t dhcp_rx_options_val[DHCP_OPTION_IDX_MAX]; -/** Holds a flag which option was received and is contained in dhcp_rx_options_val, - only valid while in dhcp_recv. - @todo: move this into struct dhcp? */ -u8_t dhcp_rx_options_given[DHCP_OPTION_IDX_MAX]; - -#define dhcp_option_given(dhcp, idx) (dhcp_rx_options_given[idx] != 0) -#define dhcp_got_option(dhcp, idx) (dhcp_rx_options_given[idx] = 1) -#define dhcp_clear_option(dhcp, idx) (dhcp_rx_options_given[idx] = 0) -#define dhcp_clear_all_options(dhcp) (os_memset(dhcp_rx_options_given, 0, sizeof(dhcp_rx_options_given))) -#define dhcp_get_option_value(dhcp, idx) (dhcp_rx_options_val[idx]) -#define dhcp_set_option_value(dhcp, idx, val) (dhcp_rx_options_val[idx] = (val)) - - -/* DHCP client state machine functions */ -static err_t dhcp_discover(struct netif *netif); -static err_t dhcp_select(struct netif *netif); -static void dhcp_bind(struct netif *netif); -#if DHCP_DOES_ARP_CHECK -static err_t dhcp_decline(struct netif *netif); -#endif /* DHCP_DOES_ARP_CHECK */ -static err_t dhcp_rebind(struct netif *netif); -static err_t dhcp_reboot(struct netif *netif); -static void dhcp_set_state(struct dhcp *dhcp, u8_t new_state); - -/* receive, unfold, parse and free incoming messages */ -static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port); - -/* set the DHCP timers */ -static void dhcp_timeout(struct netif *netif); -static void dhcp_t1_timeout(struct netif *netif); -static void dhcp_t2_timeout(struct netif *netif); - -/* build outgoing messages */ -/* create a DHCP message, fill in common headers */ -static err_t dhcp_create_msg(struct netif *netif, struct dhcp *dhcp, u8_t message_type); -/* free a DHCP request */ -static void dhcp_delete_msg(struct dhcp *dhcp); -/* add a DHCP option (type, then length in bytes) */ -static void dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len); -/* add option values */ -static void dhcp_option_byte(struct dhcp *dhcp, u8_t value); -static void dhcp_option_short(struct dhcp *dhcp, u16_t value); -static void dhcp_option_long(struct dhcp *dhcp, u32_t value); -/* always add the DHCP options trailer to end and pad */ -static void dhcp_option_trailer(struct dhcp *dhcp); - -/** - * Back-off the DHCP client (because of a received NAK response). - * - * Back-off the DHCP client because of a received NAK. Receiving a - * NAK means the client asked for something non-sensible, for - * example when it tries to renew a lease obtained on another network. - * - * We clear any existing set IP address and restart DHCP negotiation - * afresh (as per RFC2131 3.2.3). - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_handle_nak(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_nak(netif=%p) %c%c%"U16_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - /* Set the interface down since the address must no longer be used, as per RFC2131 */ - netif_set_down(netif); - /* remove IP address from interface */ - netif_set_ipaddr(netif, IP_ADDR_ANY); - netif_set_gw(netif, IP_ADDR_ANY); - netif_set_netmask(netif, IP_ADDR_ANY); - /* Change to a defined state */ - dhcp_set_state(dhcp, DHCP_BACKING_OFF); - /* We can immediately restart discovery */ - dhcp_discover(netif); -} - -#if DHCP_DOES_ARP_CHECK -/** - * Checks if the offered IP address is already in use. - * - * It does so by sending an ARP request for the offered address and - * entering CHECKING state. If no ARP reply is received within a small - * interval, the address is assumed to be free for use by us. - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_check(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_check(netif=%p) %c%c\n", (void *)netif, (s16_t)netif->name[0], - (s16_t)netif->name[1])); - dhcp_set_state(dhcp, DHCP_CHECKING); - /* create an ARP query for the offered IP address, expecting that no host - responds, as the IP address should not be in use. */ - result = etharp_query(netif, &dhcp->offered_ip_addr, NULL); - if (result != ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_check: could not perform ARP query\n")); - } - dhcp->tries++; - msecs = 500; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_check(): set request timeout %"U16_F" msecs\n", msecs)); -} -#endif /* DHCP_DOES_ARP_CHECK */ - -/** - * Remember the configuration offered by a DHCP server. - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_handle_offer(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_offer(netif=%p) %c%c%"U16_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - /* obtain the server address */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_SERVER_ID)) { - ip4_addr_set_u32(&dhcp->server_ip_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_SERVER_ID))); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): server 0x%08"X32_F"\n", - ip4_addr_get_u32(&dhcp->server_ip_addr))); - /* remember offered address */ - ip_addr_copy(dhcp->offered_ip_addr, dhcp->msg_in->yiaddr); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): offer for 0x%08"X32_F"\n", - ip4_addr_get_u32(&dhcp->offered_ip_addr))); - - dhcp_select(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_handle_offer(netif=%p) did not get server ID!\n", (void*)netif)); - } -} - -/** - * Select a DHCP server offer out of all offers. - * - * Simply select the first offer received. - * - * @param netif the netif under DHCP control - * @return lwIP specific error (see error.h) - */ -static err_t ICACHE_FLASH_ATTR -dhcp_select(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_select(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - dhcp_set_state(dhcp, DHCP_REQUESTING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - - /* MUST request the offered IP address */ - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr))); - - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->server_ip_addr))); - - dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 12/*num options*/); - dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK); - dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST); - dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER); - dhcp_option_byte(dhcp, DHCP_OPTION_DOMAIN_NAME); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TINS); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TINT); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TIS); - dhcp_option_byte(dhcp, DHCP_OPTION_PRD); - dhcp_option_byte(dhcp, DHCP_OPTION_STATIC_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_CLASSLESS_STATIC_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_VSN); - -#if LWIP_NETIF_HOSTNAME - if (netif->hostname != NULL) { - const char *p = (const char*)netif->hostname; - u8_t namelen = (u8_t)os_strlen(p); - if (namelen > 0) { - LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255); - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - - dhcp_option_trailer(dhcp); - /* shrink the pbuf to the actual content length */ - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* send broadcast to any DHCP server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_select: REQUESTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_select: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_select(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * The DHCP timer that checks for lease renewal/rebind timeouts. - */ -void ICACHE_FLASH_ATTR -dhcp_coarse_tmr() -{ - struct netif *netif = netif_list; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_coarse_tmr()\n")); - /* iterate through all network interfaces */ - while (netif != NULL) { - /* only act on DHCP configured interfaces */ - if (netif->dhcp != NULL) { - /* timer is active (non zero), and triggers (zeroes) now? */ - if (netif->dhcp->t2_timeout-- == 1) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t2 timeout\n")); - /* this clients' rebind timeout triggered */ - dhcp_t2_timeout(netif); - /* timer is active (non zero), and triggers (zeroes) now */ - } else if (netif->dhcp->t1_timeout-- == 1) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t1 timeout\n")); - /* this clients' renewal timeout triggered */ - dhcp_t1_timeout(netif); - } - } - /* proceed to next netif */ - netif = netif->next; - } -} - -/** - * DHCP transaction timeout handling - * - * A DHCP server is expected to respond within a short period of time. - * This timer checks whether an outstanding DHCP request is timed out. - */ -void ICACHE_FLASH_ATTR -dhcp_fine_tmr() -{ - struct netif *netif = netif_list; - /* loop through netif's */ - while (netif != NULL) { - /* only act on DHCP configured interfaces */ - if (netif->dhcp != NULL) { - /*add DHCP retries processing by LiuHan*/ - if (DHCP_MAXRTX != 0) { - if (netif->dhcp->tries >= DHCP_MAXRTX){ - os_printf("DHCP timeout\n"); - if (netif->dhcp_event != NULL) - netif->dhcp_event(); - break; - } - } - /* timer is active (non zero), and is about to trigger now */ - if (netif->dhcp->request_timeout > 1) { - netif->dhcp->request_timeout--; - } - else if (netif->dhcp->request_timeout == 1) { - netif->dhcp->request_timeout--; - /* { netif->dhcp->request_timeout == 0 } */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_fine_tmr(): request timeout\n")); - /* this client's request timeout triggered */ - dhcp_timeout(netif); - } - } - /* proceed to next network interface */ - netif = netif->next; - } - -} - -/** - * A DHCP negotiation transaction, or ARP request, has timed out. - * - * The timer that was started with the DHCP or ARP request has - * timed out, indicating no response was received in time. - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout()\n")); - /* back-off period has passed, or server selection timed out */ - if ((dhcp->state == DHCP_BACKING_OFF) || (dhcp->state == DHCP_SELECTING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout(): restarting discovery\n")); - dhcp_discover(netif); - /* receiving the requested lease timed out */ - } else if (dhcp->state == DHCP_REQUESTING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, DHCP request timed out\n")); - if (dhcp->tries <= 5) { - dhcp_select(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, releasing, restarting\n")); - dhcp_release(netif); - dhcp_discover(netif); - } -#if DHCP_DOES_ARP_CHECK - /* received no ARP reply for the offered address (which is good) */ - } else if (dhcp->state == DHCP_CHECKING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): CHECKING, ARP request timed out\n")); - if (dhcp->tries <= 1) { - dhcp_check(netif); - /* no ARP replies on the offered address, - looks like the IP address is indeed free */ - } else { - /* bind the interface to the offered address */ - dhcp_bind(netif); - } -#endif /* DHCP_DOES_ARP_CHECK */ - } - /* did not get response to renew request? */ - else if (dhcp->state == DHCP_RENEWING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RENEWING, DHCP request timed out\n")); - /* just retry renewal */ - /* note that the rebind timer will eventually time-out if renew does not work */ - dhcp_renew(netif); - /* did not get response to rebind request? */ - } else if (dhcp->state == DHCP_REBINDING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REBINDING, DHCP request timed out\n")); - if (dhcp->tries <= 8) { - dhcp_rebind(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RELEASING, DISCOVERING\n")); - dhcp_release(netif); - dhcp_discover(netif); - } - } else if (dhcp->state == DHCP_REBOOTING) { - if (dhcp->tries < REBOOT_TRIES) { - dhcp_reboot(netif); - } else { - dhcp_discover(netif); - } - } -} - -/** - * The renewal period has timed out. - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_t1_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_t1_timeout()\n")); - if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) || - (dhcp->state == DHCP_RENEWING)) { - /* just retry to renew - note that the rebind timer (t2) will - * eventually time-out if renew tries fail. */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("dhcp_t1_timeout(): must renew\n")); - /* This slightly different to RFC2131: DHCPREQUEST will be sent from state - DHCP_RENEWING, not DHCP_BOUND */ - dhcp_renew(netif); - } -} - -/** - * The rebind period has timed out. - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_t2_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_t2_timeout()\n")); - if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) || - (dhcp->state == DHCP_RENEWING)) { - /* just retry to rebind */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("dhcp_t2_timeout(): must rebind\n")); - /* This slightly different to RFC2131: DHCPREQUEST will be sent from state - DHCP_REBINDING, not DHCP_BOUND */ - dhcp_rebind(netif); - } -} - -/** - * Handle a DHCP ACK packet - * - * @param netif the netif under DHCP control - */ -static void ICACHE_FLASH_ATTR -dhcp_handle_ack(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; -#if LWIP_DNS - u8_t n; -#endif /* LWIP_DNS */ - - /* clear options we might not get from the ACK */ - ip_addr_set_zero(&dhcp->offered_sn_mask); - ip_addr_set_zero(&dhcp->offered_gw_addr); -#if LWIP_DHCP_BOOTP_FILE - ip_addr_set_zero(&dhcp->offered_si_addr); -#endif /* LWIP_DHCP_BOOTP_FILE */ - - /* lease time given? */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_LEASE_TIME)) { - /* remember offered lease time */ - dhcp->offered_t0_lease = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_LEASE_TIME); - } - /* renewal period given? */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_T1)) { - /* remember given renewal period */ - dhcp->offered_t1_renew = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_T1); - } else { - /* calculate safe periods for renewal */ - dhcp->offered_t1_renew = dhcp->offered_t0_lease / 2; - } - - /* renewal period given? */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_T2)) { - /* remember given rebind period */ - dhcp->offered_t2_rebind = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_T2); - } else { - /* calculate safe periods for rebinding */ - dhcp->offered_t2_rebind = dhcp->offered_t0_lease; - } - - /* (y)our internet address */ - ip_addr_copy(dhcp->offered_ip_addr, dhcp->msg_in->yiaddr); - -#if LWIP_DHCP_BOOTP_FILE - /* copy boot server address, - boot file name copied in dhcp_parse_reply if not overloaded */ - ip_addr_copy(dhcp->offered_si_addr, dhcp->msg_in->siaddr); -#endif /* LWIP_DHCP_BOOTP_FILE */ - - /* subnet mask given? */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_SUBNET_MASK)) { - /* remember given subnet mask */ - ip4_addr_set_u32(&dhcp->offered_sn_mask, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_SUBNET_MASK))); - dhcp->subnet_mask_given = 1; - } else { - dhcp->subnet_mask_given = 0; - } - - /* gateway router */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_ROUTER)) { - ip4_addr_set_u32(&dhcp->offered_gw_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_ROUTER))); - } - -#if LWIP_DNS - /* DNS servers */ - n = 0; - while(dhcp_option_given(dhcp, DHCP_OPTION_IDX_DNS_SERVER + n) && (n < DNS_MAX_SERVERS)) { - ip_addr_t dns_addr; - ip4_addr_set_u32(&dns_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_DNS_SERVER + n))); - dns_setserver(n, &dns_addr); - n++; - } -#endif /* LWIP_DNS */ -} - -/** Set a statically allocated struct dhcp to work with. - * Using this prevents dhcp_start to allocate it using mem_malloc. - * - * @param netif the netif for which to set the struct dhcp - * @param dhcp (uninitialised) dhcp struct allocated by the application - */ -void ICACHE_FLASH_ATTR -dhcp_set_struct(struct netif *netif, struct dhcp *dhcp) -{ - LWIP_ASSERT("netif != NULL", netif != NULL); - LWIP_ASSERT("dhcp != NULL", dhcp != NULL); - LWIP_ASSERT("netif already has a struct dhcp set", netif->dhcp == NULL); - - /* clear data structure */ - os_memset(dhcp, 0, sizeof(struct dhcp)); - /* dhcp_set_state(&dhcp, DHCP_OFF); */ - netif->dhcp = dhcp; -} - -/** Removes a struct dhcp from a netif. - * - * ATTENTION: Only use this when not using dhcp_set_struct() to allocate the - * struct dhcp since the memory is passed back to the heap. - * - * @param netif the netif from which to remove the struct dhcp - */ -void ICACHE_FLASH_ATTR dhcp_cleanup(struct netif *netif) -{ - LWIP_ASSERT("netif != NULL", netif != NULL); - - if (netif->dhcp != NULL) { - mem_free(netif->dhcp); - netif->dhcp = NULL; - } -} - -/** - * Start DHCP negotiation for a network interface. - * - * If no DHCP client instance was attached to this interface, - * a new client is created first. If a DHCP client instance - * was already present, it restarts negotiation. - * - * @param netif The lwIP network interface - * @return lwIP error code - * - ERR_OK - No error - * - ERR_MEM - Out of memory - */ -err_t ICACHE_FLASH_ATTR -dhcp_start(struct netif *netif) -{ - struct dhcp *dhcp; - err_t result = ERR_OK; - LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;); - dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - /* Remove the flag that says this netif is handled by DHCP, - it is set when we succeeded starting. */ - netif->flags &= ~NETIF_FLAG_DHCP; - - /* check hwtype of the netif */ - if ((netif->flags & NETIF_FLAG_ETHARP) == 0) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): No ETHARP netif\n")); - return ERR_ARG; - } - - /* check MTU of the netif */ - if (netif->mtu < DHCP_MAX_MSG_LEN_MIN_REQUIRED) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): Cannot use this netif with DHCP: MTU is too small\n")); - return ERR_MEM; - } - - /* no DHCP client attached yet? */ - if (dhcp == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting new DHCP client\n")); - dhcp = (struct dhcp *)mem_malloc(sizeof(struct dhcp)); - if (dhcp == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): could not allocate dhcp\n")); - return ERR_MEM; - } - /* store this dhcp client in the netif */ - netif->dhcp = dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): allocated dhcp")); - /* already has DHCP client attached */ - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(): restarting DHCP configuration\n")); - if (dhcp->pcb != NULL) { - udp_remove(dhcp->pcb); - } - LWIP_ASSERT("pbuf p_out wasn't freed", dhcp->p_out == NULL); - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL ); - } - - /* clear data structure */ - os_memset(dhcp, 0, sizeof(struct dhcp)); - /* dhcp_set_state(&dhcp, DHCP_OFF); */ - /* allocate UDP PCB */ - dhcp->pcb = udp_new(); - if (dhcp->pcb == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): could not obtain pcb\n")); - return ERR_MEM; - } - dhcp->pcb->so_options |= SOF_BROADCAST; - /* set up local and remote port for the pcb */ - udp_bind(dhcp->pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT); - udp_connect(dhcp->pcb, IP_ADDR_ANY, DHCP_SERVER_PORT); - /* set up the recv callback and argument */ - udp_recv(dhcp->pcb, dhcp_recv, netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting DHCP configuration\n")); - /* (re)start the DHCP negotiation */ - result = dhcp_discover(netif); - if (result != ERR_OK) { - /* free resources allocated above */ - dhcp_stop(netif); - return ERR_MEM; - } - /* Set the flag that says this netif is handled by DHCP. */ - netif->flags |= NETIF_FLAG_DHCP; - return result; -} - -/** - * Inform a DHCP server of our manual configuration. - * - * This informs DHCP servers of our fixed IP address configuration - * by sending an INFORM message. It does not involve DHCP address - * configuration, it is just here to be nice to the network. - * - * @param netif The lwIP network interface - */ -void ICACHE_FLASH_ATTR -dhcp_inform(struct netif *netif) -{ - struct dhcp dhcp; - err_t result = ERR_OK; - struct udp_pcb *pcb; - - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - - os_memset(&dhcp, 0, sizeof(struct dhcp)); - dhcp_set_state(&dhcp, DHCP_INFORM); - - if ((netif->dhcp != NULL) && (netif->dhcp->pcb != NULL)) { - /* re-use existing pcb */ - pcb = netif->dhcp->pcb; - } else { - pcb = udp_new(); - if (pcb == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform(): could not obtain pcb")); - return; - } - dhcp.pcb = pcb; - dhcp.pcb->so_options |= SOF_BROADCAST; - udp_bind(dhcp.pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_inform(): created new udp pcb\n")); - } - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, &dhcp, DHCP_INFORM); - if (result == ERR_OK) { - dhcp_option(&dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(&dhcp, DHCP_MAX_MSG_LEN(netif)); - - dhcp_option_trailer(&dhcp); - - pbuf_realloc(dhcp.p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp.options_out_len); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_inform: INFORMING\n")); - udp_sendto_if(pcb, dhcp.p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(&dhcp); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform: could not allocate DHCP request\n")); - } - - if (dhcp.pcb != NULL) { - /* otherwise, the existing pcb was used */ - udp_remove(dhcp.pcb); - } -} - -/** Handle a possible change in the network configuration. - * - * This enters the REBOOTING state to verify that the currently bound - * address is still valid. - */ -void ICACHE_FLASH_ATTR -dhcp_network_changed(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - if (!dhcp) - return; - switch (dhcp->state) { - case DHCP_REBINDING: - case DHCP_RENEWING: - case DHCP_BOUND: - case DHCP_REBOOTING: - netif_set_down(netif); - dhcp->tries = 0; - dhcp_reboot(netif); - break; - case DHCP_OFF: - /* stay off */ - break; - default: - dhcp->tries = 0; -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) { - autoip_stop(netif); - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF; - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - dhcp_discover(netif); - break; - } -} - -#if DHCP_DOES_ARP_CHECK -/** - * Match an ARP reply with the offered IP address. - * - * @param netif the network interface on which the reply was received - * @param addr The IP address we received a reply from - */ -void ICACHE_FLASH_ATTR dhcp_arp_reply(struct netif *netif, ip_addr_t *addr) -{ - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_arp_reply()\n")); - /* is a DHCP client doing an ARP check? */ - if ((netif->dhcp != NULL) && (netif->dhcp->state == DHCP_CHECKING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_arp_reply(): CHECKING, arp reply for 0x%08"X32_F"\n", - ip4_addr_get_u32(addr))); - /* did a host respond with the address we - were offered by the DHCP server? */ - if (ip_addr_cmp(addr, &netif->dhcp->offered_ip_addr)) { - /* we will not accept the offered address */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("dhcp_arp_reply(): arp reply matched with offered address, declining\n")); - dhcp_decline(netif); - } - } -} - -/** - * Decline an offered lease. - * - * Tell the DHCP server we do not accept the offered address. - * One reason to decline the lease is when we find out the address - * is already in use by another host (through ARP). - * - * @param netif the netif under DHCP control - */ -static err_t ICACHE_FLASH_ATTR -dhcp_decline(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result = ERR_OK; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline()\n")); - dhcp_set_state(dhcp, DHCP_BACKING_OFF); - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_DECLINE); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr))); - - dhcp_option_trailer(dhcp); - /* resize pbuf to reflect true size of options */ - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* per section 4.4.4, broadcast DECLINE messages */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_decline: BACKING OFF\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_decline: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = 10*1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} -#endif /* DHCP_DOES_ARP_CHECK */ - - -/** - * Start the DHCP process, discover a DHCP server. - * - * @param netif the netif under DHCP control - */ -static err_t ICACHE_FLASH_ATTR -dhcp_discover(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result = ERR_OK; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover()\n")); - ip_addr_set_any(&dhcp->offered_ip_addr); - dhcp_set_state(dhcp, DHCP_SELECTING); - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_DISCOVER); - if (result == ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: making request\n")); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - -#if LWIP_NETIF_HOSTNAME - if (netif->hostname != NULL) { - const char *p = (const char*)netif->hostname; - u8_t namelen = (u8_t)os_strlen(p); - if (namelen > 0) { - LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255); - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 12/*num options*/); - dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK); - dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST); - dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER); - dhcp_option_byte(dhcp, DHCP_OPTION_DOMAIN_NAME); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TINS); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TINT); - dhcp_option_byte(dhcp, DHCP_OPTION_NB_TIS); - dhcp_option_byte(dhcp, DHCP_OPTION_PRD); - dhcp_option_byte(dhcp, DHCP_OPTION_STATIC_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_CLASSLESS_STATIC_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_VSN); - - dhcp_option_trailer(dhcp); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: realloc()ing\n")); - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: sendto(DISCOVER, IP_ADDR_BROADCAST, DHCP_SERVER_PORT)\n")); - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: deleting()ing\n")); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover: SELECTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_discover: could not allocate DHCP request\n")); - } - dhcp->tries++; -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->tries >= LWIP_DHCP_AUTOIP_COOP_TRIES && dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_OFF) { - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_ON; - autoip_start(netif); - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - - -/** - * Bind the interface to the offered IP address. - * - * @param netif network interface to bind to the offered address - */ -static void ICACHE_FLASH_ATTR -dhcp_bind(struct netif *netif) -{ - u32_t timeout; - struct dhcp *dhcp; - ip_addr_t sn_mask, gw_addr; - LWIP_ERROR("dhcp_bind: netif != NULL", (netif != NULL), return;); - dhcp = netif->dhcp; - LWIP_ERROR("dhcp_bind: dhcp != NULL", (dhcp != NULL), return;); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - - /* temporary DHCP lease? */ - if (dhcp->offered_t1_renew != 0xffffffffUL) { - /* set renewal period timer */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t1 renewal timer %"U32_F" secs\n", dhcp->offered_t1_renew)); - timeout = (dhcp->offered_t1_renew + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS; - if(timeout > 0xffff) { - timeout = 0xffff; - } - dhcp->t1_timeout = (u16_t)timeout; - if (dhcp->t1_timeout == 0) { - dhcp->t1_timeout = 1; - } - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t1_renew*1000)); - } - /* set renewal period timer */ - if (dhcp->offered_t2_rebind != 0xffffffffUL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t2 rebind timer %"U32_F" secs\n", dhcp->offered_t2_rebind)); - timeout = (dhcp->offered_t2_rebind + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS; - if(timeout > 0xffff) { - timeout = 0xffff; - } - dhcp->t2_timeout = (u16_t)timeout; - if (dhcp->t2_timeout == 0) { - dhcp->t2_timeout = 1; - } - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t2_rebind*1000)); - } - - /* If we have sub 1 minute lease, t2 and t1 will kick in at the same time. modify by ives at 2014.4.22*/ - if ((dhcp->t1_timeout >= dhcp->t2_timeout) && (dhcp->t2_timeout > 0)) { - dhcp->t1_timeout = 0; - } - - if (dhcp->subnet_mask_given) { - /* copy offered network mask */ - ip_addr_copy(sn_mask, dhcp->offered_sn_mask); - } else { - /* subnet mask not given, choose a safe subnet mask given the network class */ - u8_t first_octet = ip4_addr1(&dhcp->offered_ip_addr); - if (first_octet <= 127) { - ip4_addr_set_u32(&sn_mask, PP_HTONL(0xff000000)); - } else if (first_octet >= 192) { - ip4_addr_set_u32(&sn_mask, PP_HTONL(0xffffff00)); - } else { - ip4_addr_set_u32(&sn_mask, PP_HTONL(0xffff0000)); - } - } - - ip_addr_copy(gw_addr, dhcp->offered_gw_addr); - /* gateway address not given? */ - if (ip_addr_isany(&gw_addr)) { - /* copy network address */ - ip_addr_get_network(&gw_addr, &dhcp->offered_ip_addr, &sn_mask); - /* use first host address on network as gateway */ - ip4_addr_set_u32(&gw_addr, ip4_addr_get_u32(&gw_addr) | PP_HTONL(0x00000001)); - } - -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) { - autoip_stop(netif); - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF; - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - - // wjg:back up old ip/netmask/gw - ip_addr_t ip, mask, gw; - ip = netif->ip_addr; - mask = netif->netmask; - gw = netif->gw; - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): IP: 0x%08"X32_F"\n", - ip4_addr_get_u32(&dhcp->offered_ip_addr))); - netif_set_ipaddr(netif, &dhcp->offered_ip_addr); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): SN: 0x%08"X32_F"\n", - ip4_addr_get_u32(&sn_mask))); - netif_set_netmask(netif, &sn_mask); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): GW: 0x%08"X32_F"\n", - ip4_addr_get_u32(&gw_addr))); - netif_set_gw(netif, &gw_addr); - - /* bring the interface up */ - netif_set_up(netif); - - // wjg: use old ip/mask/gw to check whether ip/mask/gw changed - system_station_got_ip_set(&ip, &mask, &gw); - - /* netif is now bound to DHCP leased address */ - dhcp_set_state(dhcp, DHCP_BOUND); -} - -/** - * Renew an existing DHCP lease at the involved DHCP server. - * - * @param netif network interface which must renew its lease - */ -err_t ICACHE_FLASH_ATTR -dhcp_renew(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_renew()\n")); - dhcp_set_state(dhcp, DHCP_RENEWING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - -#if LWIP_NETIF_HOSTNAME - if (netif->hostname != NULL) { - const char *p = (const char*)netif->hostname; - u8_t namelen = (u8_t)os_strlen(p); - if (namelen > 0) { - LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255); - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - -#if 1 - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); -#endif - -#if 1 - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr)); -#endif - /* append DHCP message trailer */ - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew: RENEWING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_renew: could not allocate DHCP request\n")); - } - dhcp->tries++; - /* back-off on retries, but to a maximum of 20 seconds */ - msecs = dhcp->tries < 10 ? dhcp->tries * 2000 : 20 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * Rebind with a DHCP server for an existing DHCP lease. - * - * @param netif network interface which must rebind with a DHCP server - */ -static err_t ICACHE_FLASH_ATTR -dhcp_rebind(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind()\n")); - dhcp_set_state(dhcp, DHCP_REBINDING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - -#if LWIP_NETIF_HOSTNAME - if (netif->hostname != NULL) { - const char *p = (const char*)netif->hostname; - u8_t namelen = (u8_t)os_strlen(p); - if (namelen > 0) { - LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255); - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - -#if 1 - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); - - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr)); -#endif - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* broadcast to server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind: REBINDING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_rebind: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * Enter REBOOTING state to verify an existing lease - * - * @param netif network interface which must reboot - */ -static err_t ICACHE_FLASH_ATTR -dhcp_reboot(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot()\n")); - dhcp_set_state(dhcp, DHCP_REBOOTING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, 576); - - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr))); - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* broadcast to server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot: REBOOTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_reboot: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - - -/** - * Release a DHCP lease. - * - * @param netif network interface which must release its lease - */ -err_t ICACHE_FLASH_ATTR -dhcp_release(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_release()\n")); - if (dhcp == NULL) { - return ERR_ARG; - } - - /* idle DHCP client */ - dhcp_set_state(dhcp, DHCP_OFF); - /* clean old DHCP offer */ - ip_addr_set_zero(&dhcp->server_ip_addr); - ip_addr_set_zero(&dhcp->offered_ip_addr); - ip_addr_set_zero(&dhcp->offered_sn_mask); - ip_addr_set_zero(&dhcp->offered_gw_addr); -#if LWIP_DHCP_BOOTP_FILE - ip_addr_set_zero(&dhcp->offered_si_addr); -#endif /* LWIP_DHCP_BOOTP_FILE */ - dhcp->offered_t0_lease = dhcp->offered_t1_renew = dhcp->offered_t2_rebind = 0; - - /* create and initialize the DHCP message header */ - result = dhcp_create_msg(netif, dhcp, DHCP_RELEASE); - if (result == ERR_OK) { - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif); - dhcp_delete_msg(dhcp); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release: RELEASED, DHCP_OFF\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_release: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release(): set request timeout %"U16_F" msecs\n", msecs)); - /* bring the interface down */ - netif_set_down(netif); - /* remove IP address from interface */ - netif_set_ipaddr(netif, IP_ADDR_ANY); - netif_set_gw(netif, IP_ADDR_ANY); - netif_set_netmask(netif, IP_ADDR_ANY); - - return result; -} - -/** - * Remove the DHCP client from the interface. - * - * @param netif The network interface to stop DHCP on - */ -void ICACHE_FLASH_ATTR -dhcp_stop(struct netif *netif) -{ - struct dhcp *dhcp; - LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;); - dhcp = netif->dhcp; - /* Remove the flag that says this netif is handled by DHCP. */ - netif->flags &= ~NETIF_FLAG_DHCP; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_stop()\n")); - /* netif is DHCP configured? */ - if (dhcp != NULL) { -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) { - autoip_stop(netif); - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF; - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - - if (dhcp->pcb != NULL) { - udp_remove(dhcp->pcb); - dhcp->pcb = NULL; - } - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL); - dhcp_set_state(dhcp, DHCP_OFF); - } -} - -/* - * Set the DHCP state of a DHCP client. - * - * If the state changed, reset the number of tries. - */ -static void ICACHE_FLASH_ATTR -dhcp_set_state(struct dhcp *dhcp, u8_t new_state) -{ - if (new_state != dhcp->state) { - dhcp->state = new_state; - dhcp->tries = 0; - dhcp->request_timeout = 0; - } -} - -/* - * Concatenate an option type and length field to the outgoing - * DHCP message. - * - */ -static void ICACHE_FLASH_ATTR -dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len) -{ - LWIP_ASSERT("dhcp_option: dhcp->options_out_len + 2 + option_len <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U + option_len <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = option_type; - dhcp->msg_out->options[dhcp->options_out_len++] = option_len; -} -/* - * Concatenate a single byte to the outgoing DHCP message. - * - */ -static void ICACHE_FLASH_ATTR -dhcp_option_byte(struct dhcp *dhcp, u8_t value) -{ - LWIP_ASSERT("dhcp_option_byte: dhcp->options_out_len < DHCP_OPTIONS_LEN", dhcp->options_out_len < DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = value; -} - -static void ICACHE_FLASH_ATTR -dhcp_option_short(struct dhcp *dhcp, u16_t value) -{ - LWIP_ASSERT("dhcp_option_short: dhcp->options_out_len + 2 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff00U) >> 8); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t) (value & 0x00ffU); -} - -static void ICACHE_FLASH_ATTR -dhcp_option_long(struct dhcp *dhcp, u32_t value) -{ - LWIP_ASSERT("dhcp_option_long: dhcp->options_out_len + 4 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 4U <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff000000UL) >> 24); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x00ff0000UL) >> 16); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x0000ff00UL) >> 8); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x000000ffUL)); -} - -/** - * Extract the DHCP message and the DHCP options. - * - * Extract the DHCP message and the DHCP options, each into a contiguous - * piece of memory. As a DHCP message is variable sized by its options, - * and also allows overriding some fields for options, the easy approach - * is to first unfold the options into a conitguous piece of memory, and - * use that further on. - * - */ -static err_t ICACHE_FLASH_ATTR -dhcp_parse_reply(struct dhcp *dhcp, struct pbuf *p) -{ - u8_t *options; - u16_t offset; - u16_t offset_max; - u16_t options_idx; - u16_t options_idx_max; - struct pbuf *q; - int parse_file_as_options = 0; - int parse_sname_as_options = 0; - - /* clear received options */ - dhcp_clear_all_options(dhcp); - /* check that beginning of dhcp_msg (up to and including chaddr) is in first pbuf */ - if (p->len < DHCP_SNAME_OFS) { - return ERR_BUF; - } - dhcp->msg_in = (struct dhcp_msg *)p->payload; -#if LWIP_DHCP_BOOTP_FILE - /* clear boot file name */ - dhcp->boot_file_name[0] = 0; -#endif /* LWIP_DHCP_BOOTP_FILE */ - - /* parse options */ - - /* start with options field */ - options_idx = DHCP_OPTIONS_OFS; - /* parse options to the end of the received packet */ - options_idx_max = p->tot_len; -again: - q = p; - while((q != NULL) && (options_idx >= q->len)) { - options_idx -= q->len; - options_idx_max -= q->len; - q = q->next; - } - if (q == NULL) { - return ERR_BUF; - } - offset = options_idx; - offset_max = options_idx_max; - options = (u8_t*)q->payload; - /* at least 1 byte to read and no end marker, then at least 3 bytes to read? */ - while((q != NULL) && (options[offset] != DHCP_OPTION_END) && (offset < offset_max)) { - u8_t op = options[offset]; - u8_t len; - u8_t decode_len = 0; - int decode_idx = -1; - u16_t val_offset = offset + 2; - /* len byte might be in the next pbuf */ - if (offset + 1 < q->len) { - len = options[offset + 1]; - } else { - len = (q->next != NULL ? ((u8_t*)q->next->payload)[0] : 0); - } - /* LWIP_DEBUGF(DHCP_DEBUG, ("msg_offset=%"U16_F", q->len=%"U16_F, msg_offset, q->len)); */ - decode_len = len; - switch(op) { - /* case(DHCP_OPTION_END): handled above */ - case(DHCP_OPTION_PAD): - /* special option: no len encoded */ - decode_len = len = 0; - /* will be increased below */ - offset--; - break; - case(DHCP_OPTION_SUBNET_MASK): - LWIP_ASSERT("len == 4", len == 4); - decode_idx = DHCP_OPTION_IDX_SUBNET_MASK; - break; - case(DHCP_OPTION_ROUTER): - decode_len = 4; /* only copy the first given router */ - LWIP_ASSERT("len >= decode_len", len >= decode_len); - decode_idx = DHCP_OPTION_IDX_ROUTER; - break; - case(DHCP_OPTION_DNS_SERVER): - /* special case: there might be more than one server */ - LWIP_ASSERT("len % 4 == 0", len % 4 == 0); - /* limit number of DNS servers */ - decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS); - LWIP_ASSERT("len >= decode_len", len >= decode_len); - decode_idx = DHCP_OPTION_IDX_DNS_SERVER; - break; - case(DHCP_OPTION_LEASE_TIME): - LWIP_ASSERT("len == 4", len == 4); - decode_idx = DHCP_OPTION_IDX_LEASE_TIME; - break; - case(DHCP_OPTION_OVERLOAD): - LWIP_ASSERT("len == 1", len == 1); - decode_idx = DHCP_OPTION_IDX_OVERLOAD; - break; - case(DHCP_OPTION_MESSAGE_TYPE): - LWIP_ASSERT("len == 1", len == 1); - decode_idx = DHCP_OPTION_IDX_MSG_TYPE; - break; - case(DHCP_OPTION_SERVER_ID): - LWIP_ASSERT("len == 4", len == 4); - decode_idx = DHCP_OPTION_IDX_SERVER_ID; - break; - case(DHCP_OPTION_T1): - LWIP_ASSERT("len == 4", len == 4); - decode_idx = DHCP_OPTION_IDX_T1; - break; - case(DHCP_OPTION_T2): - LWIP_ASSERT("len == 4", len == 4); - decode_idx = DHCP_OPTION_IDX_T2; - break; - default: - decode_len = 0; - LWIP_DEBUGF(DHCP_DEBUG, ("skipping option %"U16_F" in options\n", op)); - break; - } - offset += len + 2; - if (decode_len > 0) { - u32_t value = 0; - u16_t copy_len; -decode_next: - LWIP_ASSERT("check decode_idx", decode_idx >= 0 && decode_idx < DHCP_OPTION_IDX_MAX); - LWIP_ASSERT("option already decoded", !dhcp_option_given(dhcp, decode_idx)); - copy_len = LWIP_MIN(decode_len, 4); - pbuf_copy_partial(q, &value, copy_len, val_offset); - if (decode_len > 4) { - /* decode more than one u32_t */ - LWIP_ASSERT("decode_len % 4 == 0", decode_len % 4 == 0); - dhcp_got_option(dhcp, decode_idx); - dhcp_set_option_value(dhcp, decode_idx, htonl(value)); - decode_len -= 4; - val_offset += 4; - decode_idx++; - goto decode_next; - } else if (decode_len == 4) { - value = ntohl(value); - } else { - LWIP_ASSERT("invalid decode_len", decode_len == 1); - value = ((u8_t*)&value)[0]; - } - dhcp_got_option(dhcp, decode_idx); - dhcp_set_option_value(dhcp, decode_idx, value); - } - if (offset >= q->len) { - offset -= q->len; - offset_max -= q->len; - if ((offset < offset_max) && offset_max) { //modify by ives at 2014.4.22 - q = q->next; - LWIP_ASSERT("next pbuf was null", q); - options = (u8_t*)q->payload; - } else { - /* We've run out of bytes, probably no end marker. Don't proceed. */ - break; - } - } - } - /* is this an overloaded message? */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_OVERLOAD)) { - u32_t overload = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_OVERLOAD); - dhcp_clear_option(dhcp, DHCP_OPTION_IDX_OVERLOAD); - if (overload == DHCP_OVERLOAD_FILE) { - parse_file_as_options = 1; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded file field\n")); - } else if (overload == DHCP_OVERLOAD_SNAME) { - parse_sname_as_options = 1; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname field\n")); - } else if (overload == DHCP_OVERLOAD_SNAME_FILE) { - parse_sname_as_options = 1; - parse_file_as_options = 1; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname and file field\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("invalid overload option: %d\n", (int)overload)); - } -#if LWIP_DHCP_BOOTP_FILE - if (!parse_file_as_options) { - /* only do this for ACK messages */ - if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_MSG_TYPE) && - (dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_MSG_TYPE) == DHCP_ACK)) - /* copy bootp file name, don't care for sname (server hostname) */ - pbuf_copy_partial(p, dhcp->boot_file_name, DHCP_FILE_LEN-1, DHCP_FILE_OFS); - /* make sure the string is really NULL-terminated */ - dhcp->boot_file_name[DHCP_FILE_LEN-1] = 0; - } -#endif /* LWIP_DHCP_BOOTP_FILE */ - } - if (parse_file_as_options) { - /* if both are overloaded, parse file first and then sname (RFC 2131 ch. 4.1) */ - parse_file_as_options = 0; - options_idx = DHCP_FILE_OFS; - options_idx_max = DHCP_FILE_OFS + DHCP_FILE_LEN; - goto again; - } else if (parse_sname_as_options) { - parse_sname_as_options = 0; - options_idx = DHCP_SNAME_OFS; - options_idx_max = DHCP_SNAME_OFS + DHCP_SNAME_LEN; - goto again; - } - return ERR_OK; -} - -/** - * If an incoming DHCP message is in response to us, then trigger the state machine - */ -static void ICACHE_FLASH_ATTR -dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port) -{ - struct netif *netif = (struct netif *)arg; - struct dhcp *dhcp = netif->dhcp; - struct dhcp_msg *reply_msg = (struct dhcp_msg *)p->payload; - u8_t msg_type; - u8_t i; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_recv(pbuf = %p) from DHCP server %"U16_F".%"U16_F".%"U16_F".%"U16_F" port %"U16_F"\n", (void*)p, - ip4_addr1_16(addr), ip4_addr2_16(addr), ip4_addr3_16(addr), ip4_addr4_16(addr), port)); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->len = %"U16_F"\n", p->len)); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->tot_len = %"U16_F"\n", p->tot_len)); - /* prevent warnings about unused arguments */ - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); - - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL); - - if (p->len < DHCP_MIN_REPLY_LEN) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP reply message or pbuf too short\n")); - goto free_pbuf_and_return; - } - - if (reply_msg->op != DHCP_BOOTREPLY) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("not a DHCP reply message, but type %"U16_F"\n", (u16_t)reply_msg->op)); - goto free_pbuf_and_return; - } - /* iterate through hardware address and match against DHCP message */ - for (i = 0; i < netif->hwaddr_len; i++) { - if (netif->hwaddr[i] != reply_msg->chaddr[i]) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("netif->hwaddr[%"U16_F"]==%02"X16_F" != reply_msg->chaddr[%"U16_F"]==%02"X16_F"\n", - (u16_t)i, (u16_t)netif->hwaddr[i], (u16_t)i, (u16_t)reply_msg->chaddr[i])); - goto free_pbuf_and_return; - } - } - /* match transaction ID against what we expected */ - if (ntohl(reply_msg->xid) != dhcp->xid) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("transaction id mismatch reply_msg->xid(%"X32_F")!=dhcp->xid(%"X32_F")\n",ntohl(reply_msg->xid),dhcp->xid)); - goto free_pbuf_and_return; - } - /* option fields could be unfold? */ - if (dhcp_parse_reply(dhcp, p) != ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("problem unfolding DHCP message - too short on memory?\n")); - goto free_pbuf_and_return; - } - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("searching DHCP_OPTION_MESSAGE_TYPE\n")); - /* obtain pointer to DHCP message type */ - if (!dhcp_option_given(dhcp, DHCP_OPTION_IDX_MSG_TYPE)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP_OPTION_MESSAGE_TYPE option not found\n")); - goto free_pbuf_and_return; - } - - /* read DHCP message type */ - msg_type = (u8_t)dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_MSG_TYPE); - /* message type is DHCP ACK? */ - if (msg_type == DHCP_ACK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_ACK received\n")); - /* in requesting state? */ - if (dhcp->state == DHCP_REQUESTING) { - dhcp_handle_ack(netif); -#if DHCP_DOES_ARP_CHECK - /* check if the acknowledged lease address is already in use */ - dhcp_check(netif); -#else - /* bind interface to the acknowledged lease address */ - dhcp_bind(netif); -#endif - } - /* already bound to the given lease address? */ - else if ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING)) { - dhcp_bind(netif); - } - } - /* received a DHCP_NAK in appropriate state? */ - else if ((msg_type == DHCP_NAK) && - ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REQUESTING) || - (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING ))) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_NAK received\n")); - dhcp_handle_nak(netif); - } - /* received a DHCP_OFFER in DHCP_SELECTING state? */ - else if ((msg_type == DHCP_OFFER) && (dhcp->state == DHCP_SELECTING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_OFFER received in DHCP_SELECTING state\n")); - dhcp->request_timeout = 0; - /* remember offered lease */ - dhcp_handle_offer(netif); - } -free_pbuf_and_return: - dhcp->msg_in = NULL; - pbuf_free(p); -} - -/** - * Create a DHCP request, fill in common headers - * - * @param netif the netif under DHCP control - * @param dhcp dhcp control struct - * @param message_type message type of the request - */ -static err_t ICACHE_FLASH_ATTR -dhcp_create_msg(struct netif *netif, struct dhcp *dhcp, u8_t message_type) -{ - u16_t i; -#ifndef DHCP_GLOBAL_XID - /** default global transaction identifier starting value (easy to match - * with a packet analyser). We simply increment for each new request. - * Predefine DHCP_GLOBAL_XID to a better value or a function call to generate one - * at runtime, any supporting function prototypes can be defined in DHCP_GLOBAL_XID_HEADER */ - static u32_t xid = 0xABCD0000; -#else - static u32_t xid; - static u8_t xid_initialised = 0; - if (!xid_initialised) { - xid = DHCP_GLOBAL_XID; - xid_initialised = !xid_initialised; - } -#endif - LWIP_ERROR("dhcp_create_msg: netif != NULL", (netif != NULL), return ERR_ARG;); - LWIP_ERROR("dhcp_create_msg: dhcp != NULL", (dhcp != NULL), return ERR_VAL;); - LWIP_ASSERT("dhcp_create_msg: dhcp->p_out == NULL", dhcp->p_out == NULL); - LWIP_ASSERT("dhcp_create_msg: dhcp->msg_out == NULL", dhcp->msg_out == NULL); - dhcp->p_out = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcp_msg), PBUF_RAM); - if (dhcp->p_out == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_create_msg(): could not allocate pbuf\n")); - return ERR_MEM; - } - LWIP_ASSERT("dhcp_create_msg: check that first pbuf can hold struct dhcp_msg", - (dhcp->p_out->len >= sizeof(struct dhcp_msg))); - - /* DHCP_REQUEST should reuse 'xid' from DHCPOFFER modify by ives at 2014.4.22*/ - if (message_type != DHCP_REQUEST) { - /* reuse transaction identifier in retransmissions */ - if (dhcp->tries == 0) { - xid++; - } - dhcp->xid = xid; - } - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, - ("transaction id xid(%"X32_F")\n", xid)); - - dhcp->msg_out = (struct dhcp_msg *)dhcp->p_out->payload; - - dhcp->msg_out->op = DHCP_BOOTREQUEST; - /* TODO: make link layer independent */ - dhcp->msg_out->htype = DHCP_HTYPE_ETH; - dhcp->msg_out->hlen = netif->hwaddr_len; - dhcp->msg_out->hops = 0; - dhcp->msg_out->xid = htonl(dhcp->xid); - dhcp->msg_out->secs = 0; - /* we don't need the broadcast flag since we can receive unicast traffic - before being fully configured! */ - dhcp->msg_out->flags = 0; - ip_addr_set_zero(&dhcp->msg_out->ciaddr); - /* set ciaddr to netif->ip_addr based on message_type and state */ - if ((message_type == DHCP_INFORM) || (message_type == DHCP_DECLINE) || - ((message_type == DHCP_REQUEST) && /* DHCP_BOUND not used for sending! */ - ((dhcp->state==DHCP_RENEWING) || dhcp->state==DHCP_REBINDING))) { - ip_addr_copy(dhcp->msg_out->ciaddr, netif->ip_addr); - } - ip_addr_set_zero(&dhcp->msg_out->yiaddr); - ip_addr_set_zero(&dhcp->msg_out->siaddr); - ip_addr_set_zero(&dhcp->msg_out->giaddr); - for (i = 0; i < DHCP_CHADDR_LEN; i++) { - /* copy netif hardware address, pad with zeroes */ - dhcp->msg_out->chaddr[i] = (i < netif->hwaddr_len && i < NETIF_MAX_HWADDR_LEN) ? netif->hwaddr[i] : 0/* pad byte*/; - } - for (i = 0; i < DHCP_SNAME_LEN; i++) { - dhcp->msg_out->sname[i] = 0; - } - for (i = 0; i < DHCP_FILE_LEN; i++) { - dhcp->msg_out->file[i] = 0; - } - dhcp->msg_out->cookie = PP_HTONL(DHCP_MAGIC_COOKIE); - dhcp->options_out_len = 0; - /* fill options field with an incrementing array (for debugging purposes) */ - for (i = 0; i < DHCP_OPTIONS_LEN; i++) { - dhcp->msg_out->options[i] = (u8_t)i; /* for debugging only, no matter if truncated */ - } - /* Add option MESSAGE_TYPE */ - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, message_type); - return ERR_OK; -} - -/** - * Free previously allocated memory used to send a DHCP request. - * - * @param dhcp the dhcp struct to free the request from - */ -static void ICACHE_FLASH_ATTR -dhcp_delete_msg(struct dhcp *dhcp) -{ - LWIP_ERROR("dhcp_delete_msg: dhcp != NULL", (dhcp != NULL), return;); - LWIP_ASSERT("dhcp_delete_msg: dhcp->p_out != NULL", dhcp->p_out != NULL); - LWIP_ASSERT("dhcp_delete_msg: dhcp->msg_out != NULL", dhcp->msg_out != NULL); - if (dhcp->p_out != NULL) { - pbuf_free(dhcp->p_out); - } - dhcp->p_out = NULL; - dhcp->msg_out = NULL; -} - -/** - * Add a DHCP message trailer - * - * Adds the END option to the DHCP message, and if - * necessary, up to three padding bytes. - * - * @param dhcp DHCP state structure - */ -static void ICACHE_FLASH_ATTR -dhcp_option_trailer(struct dhcp *dhcp) -{ - LWIP_ERROR("dhcp_option_trailer: dhcp != NULL", (dhcp != NULL), return;); - LWIP_ASSERT("dhcp_option_trailer: dhcp->msg_out != NULL\n", dhcp->msg_out != NULL); - LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = DHCP_OPTION_END; - /* packet is too small, or not 4 byte aligned? */ - while (((dhcp->options_out_len < DHCP_MIN_OPTIONS_LEN) || (dhcp->options_out_len & 3)) && - (dhcp->options_out_len < DHCP_OPTIONS_LEN)) { - /* LWIP_DEBUGF(DHCP_DEBUG,("dhcp_option_trailer:dhcp->options_out_len=%"U16_F", DHCP_OPTIONS_LEN=%"U16_F, dhcp->options_out_len, DHCP_OPTIONS_LEN)); */ - LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN); - /* add a fill/padding byte */ - dhcp->msg_out->options[dhcp->options_out_len++] = 0; - } -} - -#endif /* LWIP_DHCP */ diff --git a/tools/sdk/lwip/src/core/dns.c b/tools/sdk/lwip/src/core/dns.c deleted file mode 100755 index 5e75f6d5af..0000000000 --- a/tools/sdk/lwip/src/core/dns.c +++ /dev/null @@ -1,988 +0,0 @@ -/** - * @file - * DNS - host name to IP address resolver. - * - */ - -/** - - * This file implements a DNS host name to IP address resolver. - - * Port to lwIP from uIP - * by Jim Pettinato April 2007 - - * uIP version Copyright (c) 2002-2003, Adam Dunkels. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * - * DNS.C - * - * The lwIP DNS resolver functions are used to lookup a host name and - * map it to a numerical IP address. It maintains a list of resolved - * hostnames that can be queried with the dns_lookup() function. - * New hostnames can be resolved using the dns_query() function. - * - * The lwIP version of the resolver also adds a non-blocking version of - * gethostbyname() that will work with a raw API application. This function - * checks for an IP address string first and converts it if it is valid. - * gethostbyname() then does a dns_lookup() to see if the name is - * already in the table. If so, the IP is returned. If not, a query is - * issued and the function returns with a ERR_INPROGRESS status. The app - * using the dns client must then go into a waiting state. - * - * Once a hostname has been resolved (or found to be non-existent), - * the resolver code calls a specified callback function (which - * must be implemented by the module that uses the resolver). - */ - -/*----------------------------------------------------------------------------- - * RFC 1035 - Domain names - implementation and specification - * RFC 2181 - Clarifications to the DNS Specification - *----------------------------------------------------------------------------*/ - -/** @todo: define good default values (rfc compliance) */ -/** @todo: improve answer parsing, more checkings... */ -/** @todo: check RFC1035 - 7.3. Processing responses */ - -/*----------------------------------------------------------------------------- - * Includes - *----------------------------------------------------------------------------*/ - -#include "lwip/opt.h" - -#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/udp.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/dns.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/** DNS server IP address */ -#ifndef DNS_SERVER_ADDRESS -#define DNS_SERVER_ADDRESS(ipaddr) (ip4_addr_set_u32(ipaddr, 0xDEDE43D0)) /* resolver1.opendns.com(208.67.222.222) */ -#endif - -/** DNS server port address */ -#ifndef DNS_SERVER_PORT -#define DNS_SERVER_PORT 53 -#endif - -/** DNS maximum number of retries when asking for a name, before "timeout". */ -#ifndef DNS_MAX_RETRIES -#define DNS_MAX_RETRIES 4 -#endif - -/** DNS resource record max. TTL (one week as default) */ -#ifndef DNS_MAX_TTL -#define DNS_MAX_TTL 604800 -#endif - -/* DNS protocol flags */ -#define DNS_FLAG1_RESPONSE 0x80 -#define DNS_FLAG1_OPCODE_STATUS 0x10 -#define DNS_FLAG1_OPCODE_INVERSE 0x08 -#define DNS_FLAG1_OPCODE_STANDARD 0x00 -#define DNS_FLAG1_AUTHORATIVE 0x04 -#define DNS_FLAG1_TRUNC 0x02 -#define DNS_FLAG1_RD 0x01 -#define DNS_FLAG2_RA 0x80 -#define DNS_FLAG2_ERR_MASK 0x0f -#define DNS_FLAG2_ERR_NONE 0x00 -#define DNS_FLAG2_ERR_NAME 0x03 - -/* DNS protocol states */ -#define DNS_STATE_UNUSED 0 -#define DNS_STATE_NEW 1 -#define DNS_STATE_ASKING 2 -#define DNS_STATE_DONE 3 - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** DNS message header */ -struct dns_hdr { - PACK_STRUCT_FIELD(u16_t id); - PACK_STRUCT_FIELD(u8_t flags1); - PACK_STRUCT_FIELD(u8_t flags2); - PACK_STRUCT_FIELD(u16_t numquestions); - PACK_STRUCT_FIELD(u16_t numanswers); - PACK_STRUCT_FIELD(u16_t numauthrr); - PACK_STRUCT_FIELD(u16_t numextrarr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif -#define SIZEOF_DNS_HDR 12 - -/** DNS query message structure. - No packing needed: only used locally on the stack. */ -struct dns_query { - /* DNS query record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */ - u16_t type; - u16_t cls; -}; -#define SIZEOF_DNS_QUERY 4 - -/** DNS answer message structure. - No packing needed: only used locally on the stack. */ -struct dns_answer { - /* DNS answer record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */ - u16_t type; - u16_t cls; - u32_t ttl; - u16_t len; -}; -#define SIZEOF_DNS_ANSWER 10 - -/** DNS table entry */ -struct dns_table_entry { - u8_t state; - u8_t numdns; - u8_t tmr; - u8_t retries; - u8_t seqno; - u8_t err; - u32_t ttl; - char name[DNS_MAX_NAME_LENGTH]; - ip_addr_t ipaddr; - /* pointer to callback on DNS query done */ - dns_found_callback found; - void *arg; -}; - -#if DNS_LOCAL_HOSTLIST - -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC -/** Local host-list. For hostnames in this list, no - * external name resolution is performed */ -static struct local_hostlist_entry *local_hostlist_dynamic; -#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -/** Defining this allows the local_hostlist_static to be placed in a different - * linker section (e.g. FLASH) */ -#ifndef DNS_LOCAL_HOSTLIST_STORAGE_PRE -#define DNS_LOCAL_HOSTLIST_STORAGE_PRE static -#endif /* DNS_LOCAL_HOSTLIST_STORAGE_PRE */ -/** Defining this allows the local_hostlist_static to be placed in a different - * linker section (e.g. FLASH) */ -#ifndef DNS_LOCAL_HOSTLIST_STORAGE_POST -#define DNS_LOCAL_HOSTLIST_STORAGE_POST -#endif /* DNS_LOCAL_HOSTLIST_STORAGE_POST */ -DNS_LOCAL_HOSTLIST_STORAGE_PRE struct local_hostlist_entry local_hostlist_static[] - DNS_LOCAL_HOSTLIST_STORAGE_POST = DNS_LOCAL_HOSTLIST_INIT; - -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -static void dns_init_local(); -#endif /* DNS_LOCAL_HOSTLIST */ - - -/* forward declarations */ -static void dns_recv(void *s, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port); -static void dns_check_entries(void); - -/*----------------------------------------------------------------------------- - * Globales - *----------------------------------------------------------------------------*/ - -/* DNS variables */ -static struct udp_pcb *dns_pcb; -static u8_t dns_seqno; -static struct dns_table_entry dns_table[DNS_TABLE_SIZE]; -static ip_addr_t dns_servers[DNS_MAX_SERVERS]; -/** Contiguous buffer for processing responses */ -//static u8_t dns_payload_buffer[LWIP_MEM_ALIGN_BUFFER(DNS_MSG_SIZE)]; -static u8_t* dns_payload; -static u16_t dns_random; -/** - * Initialize the resolver: set up the UDP pcb and configure the default server - * (DNS_SERVER_ADDRESS). - */ -void ICACHE_FLASH_ATTR -dns_init() -{ - ip_addr_t dnsserver; - -// dns_payload = (u8_t *)LWIP_MEM_ALIGN(dns_payload_buffer); - - /* initialize default DNS server address */ - DNS_SERVER_ADDRESS(&dnsserver); - - LWIP_DEBUGF(DNS_DEBUG, ("dns_init: initializing\n")); - - /* if dns client not yet initialized... */ - if (dns_pcb == NULL) { - dns_pcb = udp_new(); - - if (dns_pcb != NULL) { - /* initialize DNS table not needed (initialized to zero since it is a - * global variable) */ - LWIP_ASSERT("For implicit initialization to work, DNS_STATE_UNUSED needs to be 0", - DNS_STATE_UNUSED == 0); - - /* initialize DNS client */ - udp_bind(dns_pcb, IP_ADDR_ANY, 0); - udp_recv(dns_pcb, dns_recv, NULL); - - /* initialize default DNS primary server */ - dns_setserver(0, &dnsserver); - } - } -#if DNS_LOCAL_HOSTLIST - dns_init_local(); -#endif -} - -/** - * Initialize one of the DNS servers. - * - * @param numdns the index of the DNS server to set must be < DNS_MAX_SERVERS - * @param dnsserver IP address of the DNS server to set - */ -void ICACHE_FLASH_ATTR -dns_setserver(u8_t numdns, ip_addr_t *dnsserver) -{ - if ((numdns < DNS_MAX_SERVERS) && (dns_pcb != NULL) && - (dnsserver != NULL) && !ip_addr_isany(dnsserver)) { - dns_servers[numdns] = (*dnsserver); - } -} - -/** - * Obtain one of the currently configured DNS server. - * - * @param numdns the index of the DNS server - * @return IP address of the indexed DNS server or "ip_addr_any" if the DNS - * server has not been configured. - */ -ip_addr_t ICACHE_FLASH_ATTR -dns_getserver(u8_t numdns) -{ - if (numdns < DNS_MAX_SERVERS) { - return dns_servers[numdns]; - } else { - return *IP_ADDR_ANY; - } -} - -/** - * The DNS resolver client timer - handle retries and timeouts and should - * be called every DNS_TMR_INTERVAL milliseconds (every second by default). - */ -void ICACHE_FLASH_ATTR -dns_tmr(void) -{ - if (dns_pcb != NULL) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_tmr: dns_check_entries\n")); - dns_check_entries(); - } -} - -#if DNS_LOCAL_HOSTLIST -static void ICACHE_FLASH_ATTR -dns_init_local() -{ -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT) - int i; - struct local_hostlist_entry *entry; - /* Dynamic: copy entries from DNS_LOCAL_HOSTLIST_INIT to list */ - struct local_hostlist_entry local_hostlist_init[] = DNS_LOCAL_HOSTLIST_INIT; - size_t namelen; - for (i = 0; i < sizeof(local_hostlist_init) / sizeof(struct local_hostlist_entry); i++) { - struct local_hostlist_entry *init_entry = &local_hostlist_init[i]; - LWIP_ASSERT("invalid host name (NULL)", init_entry->name != NULL); - namelen = os_strlen(init_entry->name); - LWIP_ASSERT("namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN", namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN); - entry = (struct local_hostlist_entry *)memp_malloc(MEMP_LOCALHOSTLIST); - LWIP_ASSERT("mem-error in dns_init_local", entry != NULL); - if (entry != NULL) { - entry->name = (char*)entry + sizeof(struct local_hostlist_entry); - MEMCPY((char*)entry->name, init_entry->name, namelen); - ((char*)entry->name)[namelen] = 0; - entry->addr = init_entry->addr; - entry->next = local_hostlist_dynamic; - local_hostlist_dynamic = entry; - } - } -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT) */ -} - -/** - * Scans the local host-list for a hostname. - * - * @param hostname Hostname to look for in the local host-list - * @return The first IP address for the hostname in the local host-list or - * IPADDR_NONE if not found. - */ -static u32_t ICACHE_FLASH_ATTR -dns_lookup_local(const char *hostname) -{ -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC - struct local_hostlist_entry *entry = local_hostlist_dynamic; - while(entry != NULL) { - if(strcmp(entry->name, hostname) == 0) { - return ip4_addr_get_u32(&entry->addr); - } - entry = entry->next; - } -#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - int i; - for (i = 0; i < sizeof(local_hostlist_static) / sizeof(struct local_hostlist_entry); i++) { - if(strcmp(local_hostlist_static[i].name, hostname) == 0) { - return ip4_addr_get_u32(&local_hostlist_static[i].addr); - } - } -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - return IPADDR_NONE; -} - -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC -/** Remove all entries from the local host-list for a specific hostname - * and/or IP addess - * - * @param hostname hostname for which entries shall be removed from the local - * host-list - * @param addr address for which entries shall be removed from the local host-list - * @return the number of removed entries - */ -int ICACHE_FLASH_ATTR -dns_local_removehost(const char *hostname, const ip_addr_t *addr) -{ - int removed = 0; - struct local_hostlist_entry *entry = local_hostlist_dynamic; - struct local_hostlist_entry *last_entry = NULL; - while (entry != NULL) { - if (((hostname == NULL) || !strcmp(entry->name, hostname)) && - ((addr == NULL) || ip_addr_cmp(&entry->addr, addr))) { - struct local_hostlist_entry *free_entry; - if (last_entry != NULL) { - last_entry->next = entry->next; - } else { - local_hostlist_dynamic = entry->next; - } - free_entry = entry; - entry = entry->next; - memp_free(MEMP_LOCALHOSTLIST, free_entry); - removed++; - } else { - last_entry = entry; - entry = entry->next; - } - } - return removed; -} - -/** - * Add a hostname/IP address pair to the local host-list. - * Duplicates are not checked. - * - * @param hostname hostname of the new entry - * @param addr IP address of the new entry - * @return ERR_OK if succeeded or ERR_MEM on memory error - */ -err_t ICACHE_FLASH_ATTR -dns_local_addhost(const char *hostname, const ip_addr_t *addr) -{ - struct local_hostlist_entry *entry; - size_t namelen; - LWIP_ASSERT("invalid host name (NULL)", hostname != NULL); - namelen = os_strlen(hostname); - LWIP_ASSERT("namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN", namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN); - entry = (struct local_hostlist_entry *)memp_malloc(MEMP_LOCALHOSTLIST); - if (entry == NULL) { - return ERR_MEM; - } - entry->name = (char*)entry + sizeof(struct local_hostlist_entry); - MEMCPY((char*)entry->name, hostname, namelen); - ((char*)entry->name)[namelen] = 0; - ip_addr_copy(entry->addr, *addr); - entry->next = local_hostlist_dynamic; - local_hostlist_dynamic = entry; - return ERR_OK; -} -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC*/ -#endif /* DNS_LOCAL_HOSTLIST */ - -/** - * Look up a hostname in the array of known hostnames. - * - * @note This function only looks in the internal array of known - * hostnames, it does not send out a query for the hostname if none - * was found. The function dns_enqueue() can be used to send a query - * for a hostname. - * - * @param name the hostname to look up - * @return the hostname's IP address, as u32_t (instead of ip_addr_t to - * better check for failure: != IPADDR_NONE) or IPADDR_NONE if the hostname - * was not found in the cached dns_table. - */ -static u32_t ICACHE_FLASH_ATTR -dns_lookup(const char *name) -{ - u8_t i; -#if DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN) - u32_t addr; -#endif /* DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN) */ -#if DNS_LOCAL_HOSTLIST - if ((addr = dns_lookup_local(name)) != IPADDR_NONE) { - return addr; - } -#endif /* DNS_LOCAL_HOSTLIST */ -#ifdef DNS_LOOKUP_LOCAL_EXTERN - if((addr = DNS_LOOKUP_LOCAL_EXTERN(name)) != IPADDR_NONE) { - return addr; - } -#endif /* DNS_LOOKUP_LOCAL_EXTERN */ - - /* Walk through name list, return entry if found. If not, return NULL. */ - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - if ((dns_table[i].state == DNS_STATE_DONE) && - (strcmp(name, dns_table[i].name) == 0)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_lookup: \"%s\": found = ", name)); - ip_addr_debug_print(DNS_DEBUG, &(dns_table[i].ipaddr)); - LWIP_DEBUGF(DNS_DEBUG, ("\n")); - return ip4_addr_get_u32(&dns_table[i].ipaddr); - } - } - - return IPADDR_NONE; -} - -#if DNS_DOES_NAME_CHECK -/** - * Compare the "dotted" name "query" with the encoded name "response" - * to make sure an answer from the DNS server matches the current dns_table - * entry (otherwise, answers might arrive late for hostname not on the list - * any more). - * - * @param query hostname (not encoded) from the dns_table - * @param response encoded hostname in the DNS response - * @return 0: names equal; 1: names differ - */ -static u8_t ICACHE_FLASH_ATTR -dns_compare_name(unsigned char *query, unsigned char *response) -{ - unsigned char n; - - do { - n = *response++; - /** @see RFC 1035 - 4.1.4. Message compression */ - if ((n & 0xc0) == 0xc0) { - /* Compressed name */ - break; - } else { - /* Not compressed name */ - while (n > 0) { - if ((*query) != (*response)) { - return 1; - } - ++response; - ++query; - --n; - }; - ++query; - } - } while (*response != 0); - - return 0; -} -#endif /* DNS_DOES_NAME_CHECK */ - -/** - * Walk through a compact encoded DNS name and return the end of the name. - * - * @param query encoded DNS name in the DNS server response - * @return end of the name - */ -static unsigned char * ICACHE_FLASH_ATTR -dns_parse_name(unsigned char *query) -{ - unsigned char n; - - do { - n = *query++; - /** @see RFC 1035 - 4.1.4. Message compression */ - if ((n & 0xc0) == 0xc0) { - /* Compressed name */ - break; - } else { - /* Not compressed name */ - while (n > 0) { - ++query; - --n; - }; - } - } while (*query != 0); - - return query + 1; -} - -/** - * Send a DNS query packet. - * - * @param numdns index of the DNS server in the dns_servers table - * @param name hostname to query - * @param id index of the hostname in dns_table, used as transaction ID in the - * DNS query packet - * @return ERR_OK if packet is sent; an err_t indicating the problem otherwise - */ -static err_t ICACHE_FLASH_ATTR -dns_send(u8_t numdns, const char* name, u8_t id) -{ - err_t err; - struct dns_hdr *hdr; - struct dns_query qry; - struct pbuf *p; - char *query, *nptr; - const char *pHostname; - u8_t n; - dns_random = os_random()>>16; - LWIP_DEBUGF(DNS_DEBUG, ("dns_send: dns_servers[%"U16_F"] \"%s\": request\n", - (u16_t)(numdns), name)); - LWIP_ASSERT("dns server out of array", numdns < DNS_MAX_SERVERS); - LWIP_ASSERT("dns server has no IP address set", !ip_addr_isany(&dns_servers[numdns])); - - /* if here, we have either a new query or a retry on a previous query to process */ - p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH + - SIZEOF_DNS_QUERY, PBUF_RAM); - if (p != NULL) { - LWIP_ASSERT("pbuf must be in one piece", p->next == NULL); - /* fill dns header */ - hdr = (struct dns_hdr*)p->payload; - os_memset(hdr, 0, SIZEOF_DNS_HDR); - hdr->id = htons(id + dns_random); - hdr->flags1 = DNS_FLAG1_RD; - hdr->numquestions = PP_HTONS(1); - query = (char*)hdr + SIZEOF_DNS_HDR; - pHostname = name; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for(n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while(*pHostname != 0); - *query++='\0'; - - /* fill dns query */ - qry.type = PP_HTONS(DNS_RRTYPE_A); - qry.cls = PP_HTONS(DNS_RRCLASS_IN); - SMEMCPY(query, &qry, SIZEOF_DNS_QUERY); - - /* resize pbuf to the exact dns query */ - pbuf_realloc(p, (u16_t)((query + SIZEOF_DNS_QUERY) - ((char*)(p->payload)))); - - /* connect to the server for faster receiving */ - udp_connect(dns_pcb, &dns_servers[numdns], DNS_SERVER_PORT); - /* send dns packet */ - err = udp_sendto(dns_pcb, p, &dns_servers[numdns], DNS_SERVER_PORT); - - /* free pbuf */ - pbuf_free(p); - } else { - err = ERR_MEM; - } - - return err; -} - -/** - * dns_check_entry() - see if pEntry has not yet been queried and, if so, sends out a query. - * Check an entry in the dns_table: - * - send out query for new entries - * - retry old pending entries on timeout (also with different servers) - * - remove completed entries from the table if their TTL has expired - * - * @param i index of the dns_table entry to check - */ -static void ICACHE_FLASH_ATTR -dns_check_entry(u8_t i) -{ - err_t err; - struct dns_table_entry *pEntry = &dns_table[i]; - - LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE); - - switch(pEntry->state) { - - case DNS_STATE_NEW: { - /* initialize new entry */ - pEntry->state = DNS_STATE_ASKING; - pEntry->numdns = 0; - pEntry->tmr = 1; - pEntry->retries = 0; - - /* send DNS packet for this entry */ - err = dns_send(pEntry->numdns, pEntry->name, i); - if (err != ERR_OK) { - LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING, - ("dns_send returned error: %s\n", lwip_strerr(err))); - } - break; - } - - case DNS_STATE_ASKING: { - if (--pEntry->tmr == 0) { - if (++pEntry->retries == DNS_MAX_RETRIES) { - if ((pEntry->numdns+1numdns+1])) { - /* change of server */ - pEntry->numdns++; - pEntry->tmr = 1; - pEntry->retries = 0; - break; - } else { - LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": timeout\n", pEntry->name)); - /* call specified callback function if provided */ - if (pEntry->found) - (*pEntry->found)(pEntry->name, NULL, pEntry->arg); - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - break; - } - } - - /* wait longer for the next retry */ - pEntry->tmr = pEntry->retries; - - /* send DNS packet for this entry */ - err = dns_send(pEntry->numdns, pEntry->name, i); - if (err != ERR_OK) { - LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING, - ("dns_send returned error: %s\n", lwip_strerr(err))); - } - } - break; - } - - case DNS_STATE_DONE: { - /* if the time to live is nul */ - if ((pEntry->ttl == 0) || (--pEntry->ttl == 0)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": flush\n", pEntry->name)); - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - } - break; - } - case DNS_STATE_UNUSED: - /* nothing to do */ - break; - default: - LWIP_ASSERT("unknown dns_table entry state:", 0); - break; - } -} - -/** - * Call dns_check_entry for each entry in dns_table - check all entries. - */ -static void ICACHE_FLASH_ATTR -dns_check_entries(void) -{ - u8_t i; - - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - dns_check_entry(i); - } -} - -/** - * Receive input function for DNS response packets arriving for the dns UDP pcb. - * - * @params see udp.h - */ -static void ICACHE_FLASH_ATTR -dns_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port) -{ - u16_t i; - char *pHostname; - struct dns_hdr *hdr; - struct dns_answer ans; - struct dns_table_entry *pEntry; - u16_t nquestions, nanswers; - - u8_t* dns_payload_buffer = (u8_t* )os_zalloc(LWIP_MEM_ALIGN_BUFFER(DNS_MSG_SIZE)); - dns_payload = (u8_t *)LWIP_MEM_ALIGN(dns_payload_buffer); - - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); - - /* is the dns message too big ? */ - if (p->tot_len > DNS_MSG_SIZE) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too big\n")); - /* free pbuf and return */ - goto memerr; - } - - /* is the dns message big enough ? */ - if (p->tot_len < (SIZEOF_DNS_HDR + SIZEOF_DNS_QUERY + SIZEOF_DNS_ANSWER)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too small\n")); - /* free pbuf and return */ - goto memerr; - } - - /* copy dns payload inside static buffer for processing */ - if (pbuf_copy_partial(p, dns_payload, p->tot_len, 0) == p->tot_len) { - /* The ID in the DNS header should be our entry into the name table. */ - hdr = (struct dns_hdr*)dns_payload; - i = htons(hdr->id); - i = i - dns_random; - if (i < DNS_TABLE_SIZE) { - pEntry = &dns_table[i]; - if(pEntry->state == DNS_STATE_ASKING) { - pEntry->err = hdr->flags2 & DNS_FLAG2_ERR_MASK; - - /* We only care about the question(s) and the answers. The authrr - and the extrarr are simply discarded. */ - nquestions = htons(hdr->numquestions); - nanswers = htons(hdr->numanswers); - - /* Check for error. If so, call callback to inform. */ - if (((hdr->flags1 & DNS_FLAG1_RESPONSE) == 0) || (pEntry->err != 0) || (nquestions != 1)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in flags\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - //goto responseerr; - goto memerr; - } - /* This entry is now completed. */ - pEntry->state = DNS_STATE_DONE; - -#if DNS_DOES_NAME_CHECK - /* Check if the name in the "question" part match with the name in the entry. */ - if (dns_compare_name((unsigned char *)(pEntry->name), (unsigned char *)dns_payload + SIZEOF_DNS_HDR) != 0) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response not match to query\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - goto responseerr; - } -#endif /* DNS_DOES_NAME_CHECK */ - - /* Skip the name in the "question" part */ - pHostname = (char *) dns_parse_name((unsigned char *)dns_payload + SIZEOF_DNS_HDR) + SIZEOF_DNS_QUERY; - - while (nanswers > 0) { - /* skip answer resource record's host name */ - pHostname = (char *) dns_parse_name((unsigned char *)pHostname); - - /* Check for IP address type and Internet class. Others are discarded. */ - SMEMCPY(&ans, pHostname, SIZEOF_DNS_ANSWER); - if((ans.type == PP_HTONS(DNS_RRTYPE_A)) && (ans.cls == PP_HTONS(DNS_RRCLASS_IN)) && - (ans.len == PP_HTONS(sizeof(ip_addr_t))) ) { - /* read the answer resource record's TTL, and maximize it if needed */ - pEntry->ttl = ntohl(ans.ttl); - if (pEntry->ttl > DNS_MAX_TTL) { - pEntry->ttl = DNS_MAX_TTL; - } - /* read the IP address after answer resource record's header */ - SMEMCPY(&(pEntry->ipaddr), (pHostname+SIZEOF_DNS_ANSWER), sizeof(ip_addr_t)); - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response = ", pEntry->name)); - ip_addr_debug_print(DNS_DEBUG, (&(pEntry->ipaddr))); - LWIP_DEBUGF(DNS_DEBUG, ("\n")); - /* call specified callback function if provided */ - if (pEntry->found) { - (*pEntry->found)(pEntry->name, &pEntry->ipaddr, pEntry->arg); - } - if (pEntry->ttl == 0) { - /* RFC 883, page 29: "Zero values are - interpreted to mean that the RR can only be used for the - transaction in progress, and should not be cached." - -> flush this entry now */ - goto flushentry; - } - /* deallocate memory and return */ - goto memerr; - } else { - pHostname = pHostname + SIZEOF_DNS_ANSWER + htons(ans.len); - } - --nanswers; - } - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in response\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - goto responseerr; - } - } - } - - /* deallocate memory and return */ - goto memerr; - -responseerr: - /* ERROR: call specified callback function with NULL as name to indicate an error */ - if (pEntry->found) { - (*pEntry->found)(pEntry->name, NULL, pEntry->arg); - } -flushentry: - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - -memerr: - /* free pbuf */ - pbuf_free(p); - os_free(dns_payload_buffer); - return; -} - -/** - * Queues a new hostname to resolve and sends out a DNS query for that hostname - * - * @param name the hostname that is to be queried - * @param found a callback founction to be called on success, failure or timeout - * @param callback_arg argument to pass to the callback function - * @return @return a err_t return code. - */ -static err_t ICACHE_FLASH_ATTR -dns_enqueue(const char *name, dns_found_callback found, void *callback_arg) -{ - u8_t i; - u8_t lseq, lseqi; - struct dns_table_entry *pEntry = NULL; - size_t namelen; - - /* search an unused entry, or the oldest one */ - lseq = lseqi = 0; - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - pEntry = &dns_table[i]; - /* is it an unused entry ? */ - if (pEntry->state == DNS_STATE_UNUSED) - break; - - /* check if this is the oldest completed entry */ - if (pEntry->state == DNS_STATE_DONE) { - if ((dns_seqno - pEntry->seqno) > lseq) { - lseq = dns_seqno - pEntry->seqno; - lseqi = i; - } - } - } - - /* if we don't have found an unused entry, use the oldest completed one */ - if (i == DNS_TABLE_SIZE) { - if ((lseqi >= DNS_TABLE_SIZE) || (dns_table[lseqi].state != DNS_STATE_DONE)) { - /* no entry can't be used now, table is full */ - LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": DNS entries table is full\n", name)); - return ERR_MEM; - } else { - /* use the oldest completed one */ - i = lseqi; - pEntry = &dns_table[i]; - } - } - - /* use this entry */ - LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": use DNS entry %"U16_F"\n", name, (u16_t)(i))); - - /* fill the entry */ - pEntry->state = DNS_STATE_NEW; - pEntry->seqno = dns_seqno++; - pEntry->found = found; - pEntry->arg = callback_arg; - namelen = LWIP_MIN(os_strlen(name), DNS_MAX_NAME_LENGTH-1); - MEMCPY(pEntry->name, name, namelen); - pEntry->name[namelen] = 0; - - /* force to send query without waiting timer */ - dns_check_entry(i); - - /* dns query is enqueued */ - return ERR_INPROGRESS; -} - -/** - * Resolve a hostname (string) into an IP address. - * NON-BLOCKING callback version for use with raw API!!! - * - * Returns immediately with one of err_t return codes: - * - ERR_OK if hostname is a valid IP address string or the host - * name is already in the local names table. - * - ERR_INPROGRESS enqueue a request to be sent to the DNS server - * for resolution if no errors are present. - * - ERR_ARG: dns client not initialized or invalid hostname - * - * @param hostname the hostname that is to be queried - * @param addr pointer to a ip_addr_t where to store the address if it is already - * cached in the dns_table (only valid if ERR_OK is returned!) - * @param found a callback function to be called on success, failure or timeout (only if - * ERR_INPROGRESS is returned!) - * @param callback_arg argument to pass to the callback function - * @return a err_t return code. - */ -err_t ICACHE_FLASH_ATTR -dns_gethostbyname(const char *hostname, ip_addr_t *addr, dns_found_callback found, - void *callback_arg) -{ - u32_t ipaddr; - /* not initialized or no valid server yet, or invalid addr pointer - * or invalid hostname or invalid hostname length */ - if ((dns_pcb == NULL) || (addr == NULL) || - (!hostname) || (!hostname[0]) || - (os_strlen(hostname) >= DNS_MAX_NAME_LENGTH)) { - return ERR_ARG; - } - -#if LWIP_HAVE_LOOPIF - if (strcmp(hostname, "localhost")==0) { - ip_addr_set_loopback(addr); - return ERR_OK; - } -#endif /* LWIP_HAVE_LOOPIF */ - - /* host name already in octet notation? set ip addr and return ERR_OK */ - ipaddr = ipaddr_addr(hostname); - if (ipaddr == IPADDR_NONE) { - /* already have this address cached? */ -// ipaddr = dns_lookup(hostname); - } - if (ipaddr != IPADDR_NONE) { - ip4_addr_set_u32(addr, ipaddr); - return ERR_OK; - } - - /* queue query with specified callback */ - return dns_enqueue(hostname, found, callback_arg); -} - -#endif /* LWIP_DNS */ diff --git a/tools/sdk/lwip/src/core/init.c b/tools/sdk/lwip/src/core/init.c deleted file mode 100644 index aa403f482e..0000000000 --- a/tools/sdk/lwip/src/core/init.c +++ /dev/null @@ -1,325 +0,0 @@ -/** - * @file - * Modules initialization - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/init.h" -#include "lwip/stats.h" -#include "lwip/sys.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/sockets.h" -#include "lwip/ip.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcp_impl.h" -#include "lwip/snmp_msg.h" -#include "lwip/autoip.h" -#include "lwip/igmp.h" -#include "lwip/dns.h" -#include "lwip/timers.h" -#include "netif/etharp.h" - -/* Compile-time sanity checks for configuration errors. - * These can be done independently of LWIP_DEBUG, without penalty. - */ -#ifndef BYTE_ORDER - #error "BYTE_ORDER is not defined, you have to define it in your cc.h" -#endif -#if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV) - #error "If you want to use broadcast filter per pcb on recv operations, you have to define IP_SOF_BROADCAST=1 in your lwipopts.h" -#endif -#if (!LWIP_ARP && ARP_QUEUEING) - #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_UDPLITE) - #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_SNMP) - #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_DHCP) - #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_IGMP) - #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_SNMP) - #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_DNS) - #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0)) - #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h" -#endif -#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0)) - #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h" -#endif -#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0)) - #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h" -#endif -//#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0)) -// #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h" -//#endif -//#if (LWIP_TCP && (TCP_WND > 0xffff)) -// #error "If you want to use TCP, TCP_WND must fit in an u16_t, so, you have to reduce it in your lwipopts.h" -//#endif -#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff)) - #error "If you want to use TCP, TCP_SND_QUEUELEN must fit in an u16_t, so, you have to reduce it in your lwipopts.h" -#endif -#if (LWIP_TCP && (TCP_SND_QUEUELEN < 2)) - #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work" -#endif -//#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12))) -// #error "If you want to use TCP, TCP_MAXRTX and TCP_SYNMAXRTX must less or equal to 12 (due to tcp_backoff table), so, you have to reduce them in your lwipopts.h" -//#endif -#if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)) - #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t" -#endif -#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1)) - #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h" -#endif -#if (LWIP_NETIF_API && (NO_SYS==1)) - #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h" -#endif -#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1)) - #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h" -#endif -#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0)) - #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h" -#endif -#if (!LWIP_NETCONN && LWIP_SOCKET) - #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h" -#endif -#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP) - #error "If you want to use DHCP/AUTOIP cooperation mode, you have to define LWIP_DHCP=1 and LWIP_AUTOIP=1 in your lwipopts.h" -#endif -#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK) - #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h" -#endif -#if (!LWIP_ARP && LWIP_AUTOIP) - #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h" -#endif -#if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0)) - #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h" -#endif -#if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0)) - #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h" -#endif -#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API))) - #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h" -#endif -/* There must be sufficient timeouts, taking into account requirements of the subsystems. */ -#if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT)) - #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts" -#endif -#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS)) - #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!" -#endif -#if (MEM_LIBC_MALLOC && MEM_USE_POOLS) - #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h" -#endif -#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS) - #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h" -#endif -#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT) - #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf" -#endif -#if (TCP_QUEUE_OOSEQ && !LWIP_TCP) - #error "TCP_QUEUE_OOSEQ requires LWIP_TCP" -#endif -#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT))) - #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST" -#endif -#if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT - #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on" -#endif -#if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT) - #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT" -#endif -#if LWIP_IGMP && !defined(LWIP_RAND) - #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value" -#endif -#if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING - #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too" -#endif -#if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE - #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets" -#endif -#if IP_FRAG && IP_FRAG_USES_STATIC_BUF && LWIP_NETIF_TX_SINGLE_PBUF - #error "LWIP_NETIF_TX_SINGLE_PBUF does not work with IP_FRAG_USES_STATIC_BUF==1 as that creates pbuf queues" -#endif - - -/* Compile-time checks for deprecated options. - */ -#ifdef MEMP_NUM_TCPIP_MSG - #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef MEMP_NUM_API_MSG - #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef TCP_REXMIT_DEBUG - #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef RAW_STATS - #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef ETHARP_QUEUE_FIRST - #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef ETHARP_ALWAYS_INSERT - #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h." -#endif - -#ifdef LWIP_DEBUG -static void ICACHE_FLASH_ATTR -lwip_sanity_check(void) -{ - /* Warnings */ -#if LWIP_NETCONN - if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN\n")); -#endif /* LWIP_NETCONN */ -#if LWIP_TCP - if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n")); - if (TCP_SND_BUF < 2 * TCP_MSS) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly\n")); - if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS))) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work\n")); - if (TCP_SNDLOWAT >= TCP_SND_BUF) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF.\n")); - if (TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN.\n")); - if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE)) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n")); - if (TCP_WND < TCP_MSS) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n")); -#endif /* LWIP_TCP */ -#if LWIP_SOCKET - /* Check that the SO_* socket options and SOF_* lwIP-internal flags match */ - if (SO_ACCEPTCONN != SOF_ACCEPTCONN) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_ACCEPTCONN != SOF_ACCEPTCONN\n")); - if (SO_REUSEADDR != SOF_REUSEADDR) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_REUSEADDR != SOF_REUSEADDR\n")); - if (SO_KEEPALIVE != SOF_KEEPALIVE) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_KEEPALIVE != SOF_KEEPALIVE\n")); - if (SO_BROADCAST != SOF_BROADCAST) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_BROADCAST != SOF_BROADCAST\n")); - if (SO_LINGER != SOF_LINGER) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_LINGER != SOF_LINGER\n")); -#endif /* LWIP_SOCKET */ -} -#else /* LWIP_DEBUG */ -#define lwip_sanity_check() -#endif /* LWIP_DEBUG */ - -/** - * Perform Sanity check of user-configurable values, and initialize all modules. - */ -void -lwip_init(void) -{ - MEMP_NUM_TCP_PCB = 5; - TCP_WND = (4 * TCP_MSS); - TCP_MAXRTX = 12; - TCP_SYNMAXRTX = 6; - - /* Sanity check user-configurable values */ - lwip_sanity_check(); - - /* Modules initialization */ - stats_init(); -#if !NO_SYS - sys_init(); -#endif /* !NO_SYS */ -#if 0 - mem_init(&_bss_end); -#endif - memp_init(); - - pbuf_init(); - - netif_init(); - -#if LWIP_SOCKET - lwip_socket_init(); -#endif /* LWIP_SOCKET */ - ip_init(); - -#if LWIP_ARP - etharp_init(); - -#endif /* LWIP_ARP */ -#if LWIP_RAW - raw_init(); - -#endif /* LWIP_RAW */ -#if LWIP_UDP - udp_init(); - -#endif /* LWIP_UDP */ -#if LWIP_TCP - tcp_init(); - -#endif /* LWIP_TCP */ -#if LWIP_SNMP - snmp_init(); - -#endif /* LWIP_SNMP */ -#if LWIP_AUTOIP - autoip_init(); - -#endif /* LWIP_AUTOIP */ -#if LWIP_IGMP - igmp_init(); - -#endif /* LWIP_IGMP */ -#if LWIP_DNS - dns_init(); - -#endif /* LWIP_DNS */ - -#if LWIP_TIMERS - sys_timeouts_init(); -#endif /* LWIP_TIMERS */ -} diff --git a/tools/sdk/lwip/src/core/ipv4/autoip.c b/tools/sdk/lwip/src/core/ipv4/autoip.c deleted file mode 100644 index cdba69d6bf..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/autoip.c +++ /dev/null @@ -1,536 +0,0 @@ -/** - * @file - * AutoIP Automatic LinkLocal IP Configuration - * - */ - -/* - * - * Copyright (c) 2007 Dominik Spies - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Dominik Spies - * - * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform - * with RFC 3927. - * - * - * Please coordinate changes and requests with Dominik Spies - * - */ - -/******************************************************************************* - * USAGE: - * - * define LWIP_AUTOIP 1 in your lwipopts.h - * - * If you don't use tcpip.c (so, don't call, you don't call tcpip_init): - * - First, call autoip_init(). - * - call autoip_tmr() all AUTOIP_TMR_INTERVAL msces, - * that should be defined in autoip.h. - * I recommend a value of 100. The value must divide 1000 with a remainder almost 0. - * Possible values are 1000, 500, 333, 250, 200, 166, 142, 125, 111, 100 .... - * - * Without DHCP: - * - Call autoip_start() after netif_add(). - * - * With DHCP: - * - define LWIP_DHCP_AUTOIP_COOP 1 in your lwipopts.h. - * - Configure your DHCP Client. - * - */ - -#include "lwip/opt.h" - -#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/mem.h" -#include "lwip/udp.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/autoip.h" -#include "netif/etharp.h" - -#include -#include - -/* 169.254.0.0 */ -#define AUTOIP_NET 0xA9FE0000 -/* 169.254.1.0 */ -#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100) -/* 169.254.254.255 */ -#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF) - - -/** Pseudo random macro based on netif informations. - * You could use "rand()" from the C Library if you define LWIP_AUTOIP_RAND in lwipopts.h */ -#ifndef LWIP_AUTOIP_RAND -#define LWIP_AUTOIP_RAND(netif) ( (((u32_t)((netif->hwaddr[5]) & 0xff) << 24) | \ - ((u32_t)((netif->hwaddr[3]) & 0xff) << 16) | \ - ((u32_t)((netif->hwaddr[2]) & 0xff) << 8) | \ - ((u32_t)((netif->hwaddr[4]) & 0xff))) + \ - (netif->autoip?netif->autoip->tried_llipaddr:0)) -#endif /* LWIP_AUTOIP_RAND */ - -/** - * Macro that generates the initial IP address to be tried by AUTOIP. - * If you want to override this, define it to something else in lwipopts.h. - */ -#ifndef LWIP_AUTOIP_CREATE_SEED_ADDR -#define LWIP_AUTOIP_CREATE_SEED_ADDR(netif) \ - htonl(AUTOIP_RANGE_START + ((u32_t)(((u8_t)(netif->hwaddr[4])) | \ - ((u32_t)((u8_t)(netif->hwaddr[5]))) << 8))) -#endif /* LWIP_AUTOIP_CREATE_SEED_ADDR */ - -/* static functions */ -static void autoip_handle_arp_conflict(struct netif *netif); - -/* creates a pseudo random LL IP-Address for a network interface */ -static void autoip_create_addr(struct netif *netif, ip_addr_t *ipaddr); - -/* sends an ARP probe */ -static err_t autoip_arp_probe(struct netif *netif); - -/* sends an ARP announce */ -static err_t autoip_arp_announce(struct netif *netif); - -/* configure interface for use with current LL IP-Address */ -static err_t autoip_bind(struct netif *netif); - -/* start sending probes for llipaddr */ -static void autoip_start_probing(struct netif *netif); - -/** - * Initialize this module - */ -void -autoip_init(void) -{ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_init()\n")); -} - -/** Set a statically allocated struct autoip to work with. - * Using this prevents autoip_start to allocate it using mem_malloc. - * - * @param netif the netif for which to set the struct autoip - * @param dhcp (uninitialised) dhcp struct allocated by the application - */ -void -autoip_set_struct(struct netif *netif, struct autoip *autoip) -{ - LWIP_ASSERT("netif != NULL", netif != NULL); - LWIP_ASSERT("autoip != NULL", autoip != NULL); - LWIP_ASSERT("netif already has a struct autoip set", netif->autoip == NULL); - - /* clear data structure */ - os_memset(autoip, 0, sizeof(struct autoip)); - /* autoip->state = AUTOIP_STATE_OFF; */ - netif->autoip = autoip; -} - -/** Restart AutoIP client and check the next address (conflict detected) - * - * @param netif The netif under AutoIP control - */ -static void -autoip_restart(struct netif *netif) -{ - netif->autoip->tried_llipaddr++; - autoip_start(netif); -} - -/** - * Handle a IP address conflict after an ARP conflict detection - */ -static void -autoip_handle_arp_conflict(struct netif *netif) -{ - /* Somehow detect if we are defending or retreating */ - unsigned char defend = 1; /* tbd */ - - if(defend) { - if(netif->autoip->lastconflict > 0) { - /* retreat, there was a conflicting ARP in the last - * DEFEND_INTERVAL seconds - */ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we are defending, but in DEFEND_INTERVAL, retreating\n")); - - /* TODO: close all TCP sessions */ - autoip_restart(netif); - } else { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we are defend, send ARP Announce\n")); - autoip_arp_announce(netif); - netif->autoip->lastconflict = DEFEND_INTERVAL * AUTOIP_TICKS_PER_SECOND; - } - } else { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we do not defend, retreating\n")); - /* TODO: close all TCP sessions */ - autoip_restart(netif); - } -} - -/** - * Create an IP-Address out of range 169.254.1.0 to 169.254.254.255 - * - * @param netif network interface on which create the IP-Address - * @param ipaddr ip address to initialize - */ -static void -autoip_create_addr(struct netif *netif, ip_addr_t *ipaddr) -{ - /* Here we create an IP-Address out of range 169.254.1.0 to 169.254.254.255 - * compliant to RFC 3927 Section 2.1 - * We have 254 * 256 possibilities */ - - u32_t addr = ntohl(LWIP_AUTOIP_CREATE_SEED_ADDR(netif)); - addr += netif->autoip->tried_llipaddr; - addr = AUTOIP_NET | (addr & 0xffff); - /* Now, 169.254.0.0 <= addr <= 169.254.255.255 */ - - if (addr < AUTOIP_RANGE_START) { - addr += AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1; - } - if (addr > AUTOIP_RANGE_END) { - addr -= AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1; - } - LWIP_ASSERT("AUTOIP address not in range", (addr >= AUTOIP_RANGE_START) && - (addr <= AUTOIP_RANGE_END)); - ip4_addr_set_u32(ipaddr, htonl(addr)); - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_create_addr(): tried_llipaddr=%"U16_F", %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - (u16_t)(netif->autoip->tried_llipaddr), ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), - ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr))); -} - -/** - * Sends an ARP probe from a network interface - * - * @param netif network interface used to send the probe - */ -static err_t -autoip_arp_probe(struct netif *netif) -{ - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, IP_ADDR_ANY, ðzero, - &netif->autoip->llipaddr, ARP_REQUEST); -} - -/** - * Sends an ARP announce from a network interface - * - * @param netif network interface used to send the announce - */ -static err_t -autoip_arp_announce(struct netif *netif) -{ - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, &netif->autoip->llipaddr, ðzero, - &netif->autoip->llipaddr, ARP_REQUEST); -} - -/** - * Configure interface for use with current LL IP-Address - * - * @param netif network interface to configure with current LL IP-Address - */ -static err_t -autoip_bind(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - ip_addr_t sn_mask, gw_addr; - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_bind(netif=%p) %c%c%"U16_F" %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num, - ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr), - ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr))); - - IP4_ADDR(&sn_mask, 255, 255, 0, 0); - IP4_ADDR(&gw_addr, 0, 0, 0, 0); - - netif_set_ipaddr(netif, &autoip->llipaddr); - netif_set_netmask(netif, &sn_mask); - netif_set_gw(netif, &gw_addr); - - /* bring the interface up */ - netif_set_up(netif); - - return ERR_OK; -} - -/** - * Start AutoIP client - * - * @param netif network interface on which start the AutoIP client - */ -err_t -autoip_start(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - err_t result = ERR_OK; - - if(netif_is_up(netif)) { - netif_set_down(netif); - } - - /* Set IP-Address, Netmask and Gateway to 0 to make sure that - * ARP Packets are formed correctly - */ - ip_addr_set_zero(&netif->ip_addr); - ip_addr_set_zero(&netif->netmask); - ip_addr_set_zero(&netif->gw); - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], - netif->name[1], (u16_t)netif->num)); - if(autoip == NULL) { - /* no AutoIP client attached yet? */ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_start(): starting new AUTOIP client\n")); - autoip = (struct autoip *)mem_malloc(sizeof(struct autoip)); - if(autoip == NULL) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_start(): could not allocate autoip\n")); - return ERR_MEM; - } - os_memset(autoip, 0, sizeof(struct autoip)); - /* store this AutoIP client in the netif */ - netif->autoip = autoip; - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_start(): allocated autoip")); - } else { - autoip->state = AUTOIP_STATE_OFF; - autoip->ttw = 0; - autoip->sent_num = 0; - ip_addr_set_zero(&autoip->llipaddr); - autoip->lastconflict = 0; - } - - autoip_create_addr(netif, &(autoip->llipaddr)); - autoip_start_probing(netif); - - return result; -} - -static void -autoip_start_probing(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - - autoip->state = AUTOIP_STATE_PROBING; - autoip->sent_num = 0; - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_start_probing(): changing state to PROBING: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr), - ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr))); - - /* time to wait to first probe, this is randomly - * choosen out of 0 to PROBE_WAIT seconds. - * compliant to RFC 3927 Section 2.2.1 - */ - autoip->ttw = (u16_t)(LWIP_AUTOIP_RAND(netif) % (PROBE_WAIT * AUTOIP_TICKS_PER_SECOND)); - - /* - * if we tried more then MAX_CONFLICTS we must limit our rate for - * accquiring and probing address - * compliant to RFC 3927 Section 2.2.1 - */ - if(autoip->tried_llipaddr > MAX_CONFLICTS) { - autoip->ttw = RATE_LIMIT_INTERVAL * AUTOIP_TICKS_PER_SECOND; - } -} - -/** - * Handle a possible change in the network configuration. - * - * If there is an AutoIP address configured, take the interface down - * and begin probing with the same address. - */ -void -autoip_network_changed(struct netif *netif) -{ - if (netif->autoip && netif->autoip->state != AUTOIP_STATE_OFF) { - netif_set_down(netif); - autoip_start_probing(netif); - } -} - -/** - * Stop AutoIP client - * - * @param netif network interface on which stop the AutoIP client - */ -err_t -autoip_stop(struct netif *netif) -{ - netif->autoip->state = AUTOIP_STATE_OFF; - netif_set_down(netif); - return ERR_OK; -} - -/** - * Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds - */ -void -autoip_tmr() -{ - struct netif *netif = netif_list; - /* loop through netif's */ - while (netif != NULL) { - /* only act on AutoIP configured interfaces */ - if (netif->autoip != NULL) { - if(netif->autoip->lastconflict > 0) { - netif->autoip->lastconflict--; - } - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() AutoIP-State: %"U16_F", ttw=%"U16_F"\n", - (u16_t)(netif->autoip->state), netif->autoip->ttw)); - - switch(netif->autoip->state) { - case AUTOIP_STATE_PROBING: - if(netif->autoip->ttw > 0) { - netif->autoip->ttw--; - } else { - if(netif->autoip->sent_num >= PROBE_NUM) { - netif->autoip->state = AUTOIP_STATE_ANNOUNCING; - netif->autoip->sent_num = 0; - netif->autoip->ttw = ANNOUNCE_WAIT * AUTOIP_TICKS_PER_SECOND; - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_tmr(): changing state to ANNOUNCING: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr), - ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr))); - } else { - autoip_arp_probe(netif); - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() PROBING Sent Probe\n")); - netif->autoip->sent_num++; - /* calculate time to wait to next probe */ - netif->autoip->ttw = (u16_t)((LWIP_AUTOIP_RAND(netif) % - ((PROBE_MAX - PROBE_MIN) * AUTOIP_TICKS_PER_SECOND) ) + - PROBE_MIN * AUTOIP_TICKS_PER_SECOND); - } - } - break; - - case AUTOIP_STATE_ANNOUNCING: - if(netif->autoip->ttw > 0) { - netif->autoip->ttw--; - } else { - if(netif->autoip->sent_num == 0) { - /* We are here the first time, so we waited ANNOUNCE_WAIT seconds - * Now we can bind to an IP address and use it. - * - * autoip_bind calls netif_set_up. This triggers a gratuitous ARP - * which counts as an announcement. - */ - autoip_bind(netif); - } else { - autoip_arp_announce(netif); - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() ANNOUNCING Sent Announce\n")); - } - netif->autoip->ttw = ANNOUNCE_INTERVAL * AUTOIP_TICKS_PER_SECOND; - netif->autoip->sent_num++; - - if(netif->autoip->sent_num >= ANNOUNCE_NUM) { - netif->autoip->state = AUTOIP_STATE_BOUND; - netif->autoip->sent_num = 0; - netif->autoip->ttw = 0; - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_tmr(): changing state to BOUND: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr), - ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr))); - } - } - break; - } - } - /* proceed to next network interface */ - netif = netif->next; - } -} - -/** - * Handles every incoming ARP Packet, called by etharp_arp_input. - * - * @param netif network interface to use for autoip processing - * @param hdr Incoming ARP packet - */ -void -autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr) -{ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_arp_reply()\n")); - if ((netif->autoip != NULL) && (netif->autoip->state != AUTOIP_STATE_OFF)) { - /* when ip.src == llipaddr && hw.src != netif->hwaddr - * - * when probing ip.dst == llipaddr && hw.src != netif->hwaddr - * we have a conflict and must solve it - */ - ip_addr_t sipaddr, dipaddr; - struct eth_addr netifaddr; - ETHADDR16_COPY(netifaddr.addr, netif->hwaddr); - - /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without - * structure packing (not using structure copy which breaks strict-aliasing rules). - */ - IPADDR2_COPY(&sipaddr, &hdr->sipaddr); - IPADDR2_COPY(&dipaddr, &hdr->dipaddr); - - if ((netif->autoip->state == AUTOIP_STATE_PROBING) || - ((netif->autoip->state == AUTOIP_STATE_ANNOUNCING) && - (netif->autoip->sent_num == 0))) { - /* RFC 3927 Section 2.2.1: - * from beginning to after ANNOUNCE_WAIT - * seconds we have a conflict if - * ip.src == llipaddr OR - * ip.dst == llipaddr && hw.src != own hwaddr - */ - if ((ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr)) || - (ip_addr_cmp(&dipaddr, &netif->autoip->llipaddr) && - !eth_addr_cmp(&netifaddr, &hdr->shwaddr))) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("autoip_arp_reply(): Probe Conflict detected\n")); - autoip_restart(netif); - } - } else { - /* RFC 3927 Section 2.5: - * in any state we have a conflict if - * ip.src == llipaddr && hw.src != own hwaddr - */ - if (ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr) && - !eth_addr_cmp(&netifaddr, &hdr->shwaddr)) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("autoip_arp_reply(): Conflicting ARP-Packet detected\n")); - autoip_handle_arp_conflict(netif); - } - } - } -} - -#endif /* LWIP_AUTOIP */ diff --git a/tools/sdk/lwip/src/core/ipv4/icmp.c b/tools/sdk/lwip/src/core/ipv4/icmp.c deleted file mode 100644 index 2eb3b02cc6..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/icmp.c +++ /dev/null @@ -1,338 +0,0 @@ -/** - * @file - * ICMP - Internet Control Message Protocol - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -/* Some ICMP messages should be passed to the transport protocols. This - is not implemented. */ - -#include "lwip/opt.h" - -#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/icmp.h" -#include "lwip/inet_chksum.h" -#include "lwip/ip.h" -#include "lwip/def.h" -#include "lwipopts.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" - -#include - -/** Small optimization: set to 0 if incoming PBUF_POOL pbuf always can be - * used to modify and send a response packet (and to 1 if this is not the case, - * e.g. when link header is stripped of when receiving) */ -#ifndef LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN -#define LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN 1 -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ - -/* The amount of data from the original packet to return in a dest-unreachable */ -#define ICMP_DEST_UNREACH_DATASIZE 8 - -static void icmp_send_response(struct pbuf *p, u8_t type, u8_t code); - -/** - * Processes ICMP input packets, called from ip_input(). - * - * Currently only processes icmp echo requests and sends - * out the echo response. - * - * @param p the icmp echo request packet, p->payload pointing to the ip header - * @param inp the netif on which this packet was received - */ -void -icmp_input(struct pbuf *p, struct netif *inp) -{ - u8_t type; -#ifdef LWIP_DEBUG - u8_t code; -#endif /* LWIP_DEBUG */ - struct icmp_echo_hdr *iecho; - struct ip_hdr *iphdr; - s16_t hlen; - - ICMP_STATS_INC(icmp.recv); - snmp_inc_icmpinmsgs(); - - - iphdr = (struct ip_hdr *)p->payload; - hlen = IPH_HL(iphdr) * 4; - if (pbuf_header(p, -hlen) || (p->tot_len < sizeof(u16_t)*2)) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: short ICMP (%"U16_F" bytes) received\n", p->tot_len)); - goto lenerr; - } - - type = *((u8_t *)p->payload); -#ifdef LWIP_DEBUG - code = *(((u8_t *)p->payload)+1); -#endif /* LWIP_DEBUG */ - switch (type) { - case ICMP_ER: - /* This is OK, echo reply might have been parsed by a raw PCB - (as obviously, an echo request has been sent, too). */ - break; - case ICMP_ECHO: -#if !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING - { - int accepted = 1; -#if !LWIP_MULTICAST_PING - /* multicast destination address? */ - if (ip_addr_ismulticast(¤t_iphdr_dest)) { - accepted = 0; - } -#endif /* LWIP_MULTICAST_PING */ -#if !LWIP_BROADCAST_PING - /* broadcast destination address? */ - if (ip_addr_isbroadcast(¤t_iphdr_dest, inp)) { - accepted = 0; - } -#endif /* LWIP_BROADCAST_PING */ - /* broadcast or multicast destination address not acceptd? */ - if (!accepted) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: Not echoing to multicast or broadcast pings\n")); - ICMP_STATS_INC(icmp.err); - pbuf_free(p); - return; - } - } -#endif /* !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING */ - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ping\n")); - if (p->tot_len < sizeof(struct icmp_echo_hdr)) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: bad ICMP echo received\n")); - goto lenerr; - } - if (inet_chksum_pbuf(p) != 0) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: checksum failed for received ICMP echo\n")); - pbuf_free(p); - ICMP_STATS_INC(icmp.chkerr); - snmp_inc_icmpinerrors(); - return; - } -#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN - if (pbuf_header(p, (PBUF_IP_HLEN + PBUF_LINK_HLEN))) { - /* p is not big enough to contain link headers - * allocate a new one and copy p into it - */ - struct pbuf *r; - /* switch p->payload to ip header */ - if (pbuf_header(p, hlen)) { - LWIP_ASSERT("icmp_input: moving p->payload to ip header failed\n", 0); - goto memerr; - } - /* allocate new packet buffer with space for link headers */ - r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM); - if (r == NULL) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: allocating new pbuf failed\n")); - goto memerr; - } - LWIP_ASSERT("check that first pbuf can hold struct the ICMP header", - (r->len >= hlen + sizeof(struct icmp_echo_hdr))); - /* copy the whole packet including ip header */ - if (pbuf_copy(r, p) != ERR_OK) { - LWIP_ASSERT("icmp_input: copying to new pbuf failed\n", 0); - goto memerr; - } - iphdr = (struct ip_hdr *)r->payload; - /* switch r->payload back to icmp header */ - if (pbuf_header(r, -hlen)) { - LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0); - goto memerr; - } - /* free the original p */ - pbuf_free(p); - /* we now have an identical copy of p that has room for link headers */ - p = r; - } else { - /* restore p->payload to point to icmp header */ - if (pbuf_header(p, -(s16_t)(PBUF_IP_HLEN + PBUF_LINK_HLEN))) { - LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0); - goto memerr; - } - } -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ - /* At this point, all checks are OK. */ - /* We generate an answer by switching the dest and src ip addresses, - * setting the icmp type to ECHO_RESPONSE and updating the checksum. */ - iecho = (struct icmp_echo_hdr *)p->payload; - ip_addr_copy(iphdr->src, *ip_current_dest_addr()); - ip_addr_copy(iphdr->dest, *ip_current_src_addr()); - ICMPH_TYPE_SET(iecho, ICMP_ER); - /* adjust the checksum */ - if (iecho->chksum >= PP_HTONS(0xffff - (ICMP_ECHO << 8))) { - iecho->chksum += PP_HTONS(ICMP_ECHO << 8) + 1; - } else { - iecho->chksum += PP_HTONS(ICMP_ECHO << 8); - } - - /* Set the correct TTL and recalculate the header checksum. */ - IPH_TTL_SET(iphdr, ICMP_TTL); - IPH_CHKSUM_SET(iphdr, 0); -#if CHECKSUM_GEN_IP - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN)); -#endif /* CHECKSUM_GEN_IP */ - - ICMP_STATS_INC(icmp.xmit); - /* increase number of messages attempted to send */ - snmp_inc_icmpoutmsgs(); - /* increase number of echo replies attempted to send */ - snmp_inc_icmpoutechoreps(); - - if(pbuf_header(p, hlen)) { - LWIP_ASSERT("Can't move over header in packet", 0); - } else { - err_t ret; - /* send an ICMP packet, src addr is the dest addr of the curren packet */ - ret = ip_output_if(p, ip_current_dest_addr(), IP_HDRINCL, - ICMP_TTL, 0, IP_PROTO_ICMP, inp); - if (ret != ERR_OK) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ip_output_if returned an error: %c.\n", ret)); - } - } - break; - default: - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ICMP type %"S16_F" code %"S16_F" not supported.\n", - (s16_t)type, (s16_t)code)); - ICMP_STATS_INC(icmp.proterr); - ICMP_STATS_INC(icmp.drop); - } - pbuf_free(p); - return; -lenerr: - pbuf_free(p); - ICMP_STATS_INC(icmp.lenerr); - snmp_inc_icmpinerrors(); - return; -#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN -memerr: - pbuf_free(p); - ICMP_STATS_INC(icmp.err); - snmp_inc_icmpinerrors(); - return; -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ -} - -/** - * Send an icmp 'destination unreachable' packet, called from ip_input() if - * the transport layer protocol is unknown and from udp_input() if the local - * port is not bound. - * - * @param p the input packet for which the 'unreachable' should be sent, - * p->payload pointing to the IP header - * @param t type of the 'unreachable' packet - */ -void -icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t) -{ - icmp_send_response(p, ICMP_DUR, t); -} - -#if IP_FORWARD || IP_REASSEMBLY -/** - * Send a 'time exceeded' packet, called from ip_forward() if TTL is 0. - * - * @param p the input packet for which the 'time exceeded' should be sent, - * p->payload pointing to the IP header - * @param t type of the 'time exceeded' packet - */ -void -icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t) -{ - icmp_send_response(p, ICMP_TE, t); -} - -#endif /* IP_FORWARD || IP_REASSEMBLY */ - -/** - * Send an icmp packet in response to an incoming packet. - * - * @param p the input packet for which the 'unreachable' should be sent, - * p->payload pointing to the IP header - * @param type Type of the ICMP header - * @param code Code of the ICMP header - */ -static void ICACHE_FLASH_ATTR -icmp_send_response(struct pbuf *p, u8_t type, u8_t code) -{ - struct pbuf *q; - struct ip_hdr *iphdr; - /* we can use the echo header here */ - struct icmp_echo_hdr *icmphdr; - ip_addr_t iphdr_src; - - /* ICMP header + IP header + 8 bytes of data */ - //Ϊ²î´í±¨ÎÄÉêÇëpbuf¿Õ¼ä£¬pbufÖÐÔ¤ÁôIPÊײ¿ºÍÒÔÌ«ÍøÊײ¿¿Õ¼ä£¬pbufÊý¾ÝÇø - //³¤¶È=²î´í±¨ÎÄÊײ¿+²î´í±¨ÎÄÊý¾Ý³¤¶È(IPÊײ¿³¤¶È+8) - q = pbuf_alloc(PBUF_IP, sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE, - PBUF_RAM); - if (q == NULL) {//ʧ°Ü£¬·µ»Ø - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded: failed to allocate pbuf for ICMP packet.\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold icmp message", - (q->len >= (sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE))); - - iphdr = (struct ip_hdr *)p->payload;//Ö¸ÏòÒýÆð²î´íµÄIPÊý¾Ý°üÊײ¿ - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded from ")); - ip_addr_debug_print(ICMP_DEBUG, &(iphdr->src)); - LWIP_DEBUGF(ICMP_DEBUG, (" to ")); - ip_addr_debug_print(ICMP_DEBUG, &(iphdr->dest)); - LWIP_DEBUGF(ICMP_DEBUG, ("\n")); - - icmphdr = (struct icmp_echo_hdr *)q->payload;//Ö¸Ïò²î´í±¨ÎÄÊײ¿ - icmphdr->type = type;//ÌîдÀàÐÍ×ֶΠ- icmphdr->code = code;//Ìîд´úÂë×ֶΠ- icmphdr->id = 0;//¶ÔÓÚÄ¿µÄ²»¿É´ïºÍÊý¾Ý±¨³¬Ê± - icmphdr->seqno = 0;//±¨ÎÄ£¬Êײ¿Ê£ÓàµÄ4¸ö×Ö½Ú¶¼Îª0 - - /* copy fields from original packet ½«ÒýÆð²î´íµÄIPÊý¾Ý±¨µÄIPÊײ¿+8×Ö½ÚÊý¾Ý¿½±´µ½²î´í±¨ÎÄÊý¾ÝÇø*/ - SMEMCPY((u8_t *)q->payload + sizeof(struct icmp_echo_hdr), (u8_t *)p->payload, - IP_HLEN + ICMP_DEST_UNREACH_DATASIZE); - - /* calculate checksum */ - icmphdr->chksum = 0;//±¨ÎÄУÑéºÍ×Ö¶ÎÇå0 - icmphdr->chksum = inet_chksum(icmphdr, q->len);//¼ÆËãÌîдУÑéºÍ - ICMP_STATS_INC(icmp.xmit); - /* increase number of messages attempted to send */ - snmp_inc_icmpoutmsgs(); - /* increase number of destination unreachable messages attempted to send */ - snmp_inc_icmpouttimeexcds(); - ip_addr_copy(iphdr_src, iphdr->src); - ip_output(q, NULL, &iphdr_src, ICMP_TTL, 0, IP_PROTO_ICMP);//µ÷ÓÃIP²ãº¯ÊýÊä³öICMP±¨ÎÄ - pbuf_free(q); -} - -#endif /* LWIP_ICMP */ diff --git a/tools/sdk/lwip/src/core/ipv4/igmp.c b/tools/sdk/lwip/src/core/ipv4/igmp.c deleted file mode 100644 index 9c07fd6bc3..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/igmp.c +++ /dev/null @@ -1,832 +0,0 @@ -/** - * @file - * IGMP - Internet Group Management Protocol - * - */ - -/* - * Copyright (c) 2002 CITEL Technologies Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. -*/ - -/*------------------------------------------------------------- -Note 1) -Although the rfc requires V1 AND V2 capability -we will only support v2 since now V1 is very old (August 1989) -V1 can be added if required - -a debug print and statistic have been implemented to -show this up. -------------------------------------------------------------- -------------------------------------------------------------- -Note 2) -A query for a specific group address (as opposed to ALLHOSTS) -has now been implemented as I am unsure if it is required - -a debug print and statistic have been implemented to -show this up. -------------------------------------------------------------- -------------------------------------------------------------- -Note 3) -The router alert rfc 2113 is implemented in outgoing packets -but not checked rigorously incoming -------------------------------------------------------------- -Steve Reynolds -------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------- - * RFC 988 - Host extensions for IP multicasting - V0 - * RFC 1054 - Host extensions for IP multicasting - - * RFC 1112 - Host extensions for IP multicasting - V1 - * RFC 2236 - Internet Group Management Protocol, Version 2 - V2 <- this code is based on this RFC (it's the "de facto" standard) - * RFC 3376 - Internet Group Management Protocol, Version 3 - V3 - * RFC 4604 - Using Internet Group Management Protocol Version 3... - V3+ - * RFC 2113 - IP Router Alert Option - - *----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------- - * Includes - *----------------------------------------------------------------------------*/ - -#include "lwip/opt.h" - -#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/igmp.h" -#include "lwip/debug.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/ip.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" -#include "lwip/stats.h" - -#include "string.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* - * IGMP constants - */ -#define IGMP_TTL 1 -#define IGMP_MINLEN 8 -#define ROUTER_ALERT 0x9404 -#define ROUTER_ALERTLEN 4 - -/* - * IGMP message types, including version number. - */ -#define IGMP_MEMB_QUERY 0x11 /* Membership query */ -#define IGMP_V1_MEMB_REPORT 0x12 /* Ver. 1 membership report */ -#define IGMP_V2_MEMB_REPORT 0x16 /* Ver. 2 membership report */ -#define IGMP_LEAVE_GROUP 0x17 /* Leave-group message */ - -/* Group membership states */ -#define IGMP_GROUP_NON_MEMBER 0 -#define IGMP_GROUP_DELAYING_MEMBER 1 -#define IGMP_GROUP_IDLE_MEMBER 2 - -/** - * IGMP packet format. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct igmp_msg { - PACK_STRUCT_FIELD(u8_t igmp_msgtype); - PACK_STRUCT_FIELD(u8_t igmp_maxresp); - PACK_STRUCT_FIELD(u16_t igmp_checksum); - PACK_STRUCT_FIELD(ip_addr_p_t igmp_group_address); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - - -static struct igmp_group *igmp_lookup_group(struct netif *ifp, ip_addr_t *addr)ICACHE_FLASH_ATTR; -static err_t igmp_remove_group(struct igmp_group *group)ICACHE_FLASH_ATTR; -static void igmp_timeout( struct igmp_group *group)ICACHE_FLASH_ATTR; -static void igmp_start_timer(struct igmp_group *group, u8_t max_time)ICACHE_FLASH_ATTR; -static void igmp_stop_timer(struct igmp_group *group)ICACHE_FLASH_ATTR; -static void igmp_delaying_member(struct igmp_group *group, u8_t maxresp)ICACHE_FLASH_ATTR; -static err_t igmp_ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, struct netif *netif)ICACHE_FLASH_ATTR; -static void igmp_send(struct igmp_group *group, u8_t type)ICACHE_FLASH_ATTR; - - -static struct igmp_group* igmp_group_list = NULL; -static ip_addr_t allsystems; -static ip_addr_t allrouters; - - -/** - * Initialize the IGMP module - */ -void -igmp_init(void) -{ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_init: initializing\n")); - - IP4_ADDR(&allsystems, 224, 0, 0, 1); - IP4_ADDR(&allrouters, 224, 0, 0, 2); -} - -#ifdef LWIP_DEBUG -/** - * Dump global IGMP groups list - */ -void -igmp_dump_group_list() -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_dump_group_list: [%"U32_F"] ", (u32_t)(group->group_state))); - ip_addr_debug_print(IGMP_DEBUG, &group->group_address); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->netif)); - group = group->next; - } - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); -} -#else -#define igmp_dump_group_list() -#endif /* LWIP_DEBUG */ - -/** - * Start IGMP processing on interface - * - * @param netif network interface on which start IGMP processing - */ -err_t -igmp_start(struct netif *netif) -{ - struct igmp_group* group; - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: starting IGMP processing on if %p\n", netif)); - - group = igmp_lookup_group(netif, &allsystems); - - if (group != NULL) { - group->group_state = IGMP_GROUP_IDLE_MEMBER; - group->use++; - - /* Allow the igmp messages at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: igmp_mac_filter(ADD ")); - ip_addr_debug_print(IGMP_DEBUG, &allsystems); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, &allsystems, IGMP_ADD_MAC_FILTER); - } - - return ERR_OK; - } - - return ERR_MEM; -} - -/** - * Stop IGMP processing on interface - * - * @param netif network interface on which stop IGMP processing - */ -err_t -igmp_stop(struct netif *netif) -{ - struct igmp_group *group = igmp_group_list; - struct igmp_group *prev = NULL; - struct igmp_group *next; - - /* look for groups joined on this interface further down the list */ - while (group != NULL) { - next = group->next; - /* is it a group joined on this interface? */ - if (group->netif == netif) { - /* is it the first group of the list? */ - if (group == igmp_group_list) { - igmp_group_list = next; - } - /* is there a "previous" group defined? */ - if (prev != NULL) { - prev->next = next; - } - /* disable the group at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_stop: igmp_mac_filter(DEL ")); - ip_addr_debug_print(IGMP_DEBUG, &group->group_address); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, &(group->group_address), IGMP_DEL_MAC_FILTER); - } - /* free group */ - memp_free(MEMP_IGMP_GROUP, group); - } else { - /* change the "previous" */ - prev = group; - } - /* move to "next" */ - group = next; - } - return ERR_OK; -} - -/** - * Report IGMP memberships for this interface - * - * @param netif network interface on which report IGMP memberships - */ -void -igmp_report_groups(struct netif *netif) -{ - struct igmp_group *group = igmp_group_list; - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_report_groups: sending IGMP reports on if %p\n", netif)); - - while (group != NULL) { - if (group->netif == netif) { - igmp_delaying_member(group, IGMP_JOIN_DELAYING_MEMBER_TMR); - } - group = group->next; - } -} - -/** - * Search for a group in the global igmp_group_list - * - * @param ifp the network interface for which to look - * @param addr the group ip address to search for - * @return a struct igmp_group* if the group has been found, - * NULL if the group wasn't found. - */ -struct igmp_group * -igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr) -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - if ((group->netif == ifp) && (ip_addr_cmp(&(group->group_address), addr))) { - return group; - } - group = group->next; - } - - /* to be clearer, we return NULL here instead of - * 'group' (which is also NULL at this point). - */ - return NULL; -} - -/** - * Search for a specific igmp group and create a new one if not found- - * - * @param ifp the network interface for which to look - * @param addr the group ip address to search - * @return a struct igmp_group*, - * NULL on memory error. - */ -struct igmp_group * -igmp_lookup_group(struct netif *ifp, ip_addr_t *addr) -{ - struct igmp_group *group = igmp_group_list; - - /* Search if the group already exists */ - group = igmp_lookfor_group(ifp, addr); - if (group != NULL) { - /* Group already exists. */ - return group; - } - - /* Group doesn't exist yet, create a new one */ - group = (struct igmp_group *)memp_malloc(MEMP_IGMP_GROUP); - if (group != NULL) { - group->netif = ifp; - ip_addr_set(&(group->group_address), addr); - group->timer = 0; /* Not running */ - group->group_state = IGMP_GROUP_NON_MEMBER; - group->last_reporter_flag = 0; - group->use = 0; - group->next = igmp_group_list; - - igmp_group_list = group; - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: %sallocated a new group with address ", (group?"":"impossible to "))); - ip_addr_debug_print(IGMP_DEBUG, addr); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", ifp)); - - return group; -} - -/** - * Remove a group in the global igmp_group_list - * - * @param group the group to remove from the global igmp_group_list - * @return ERR_OK if group was removed from the list, an err_t otherwise - */ -static err_t -igmp_remove_group(struct igmp_group *group) -{ - err_t err = ERR_OK; - - /* Is it the first group? */ - if (igmp_group_list == group) { - igmp_group_list = group->next; - } else { - /* look for group further down the list */ - struct igmp_group *tmpGroup; - for (tmpGroup = igmp_group_list; tmpGroup != NULL; tmpGroup = tmpGroup->next) { - if (tmpGroup->next == group) { - tmpGroup->next = group->next; - break; - } - } - /* Group not found in the global igmp_group_list */ - if (tmpGroup == NULL) - err = ERR_ARG; - } - /* free group */ - memp_free(MEMP_IGMP_GROUP, group); - - return err; -} - -/** - * Called from ip_input() if a new IGMP packet is received. - * - * @param p received igmp packet, p->payload pointing to the ip header - * @param inp network interface on which the packet was received - * @param dest destination ip address of the igmp packet - */ -void -igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest) -{ - struct ip_hdr * iphdr; - struct igmp_msg* igmp; - struct igmp_group* group; - struct igmp_group* groupref; - - IGMP_STATS_INC(igmp.recv); - - /* Note that the length CAN be greater than 8 but only 8 are used - All are included in the checksum */ - iphdr = (struct ip_hdr *)p->payload; - if (pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4)) || (p->len < IGMP_MINLEN)) { - pbuf_free(p); - IGMP_STATS_INC(igmp.lenerr); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: length error\n")); - return; - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: message from ")); - ip_addr_debug_print(IGMP_DEBUG, &(iphdr->src)); - LWIP_DEBUGF(IGMP_DEBUG, (" to address ")); - ip_addr_debug_print(IGMP_DEBUG, &(iphdr->dest)); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", inp)); - - /* Now calculate and check the checksum */ - igmp = (struct igmp_msg *)p->payload; - if (inet_chksum(igmp, p->len)) { - pbuf_free(p); - IGMP_STATS_INC(igmp.chkerr); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: checksum error\n")); - return; - } - - /* Packet is ok so find an existing group */ - group = igmp_lookfor_group(inp, dest); /* use the destination IP address of incoming packet */ - - /* If group can be found or create... */ - if (!group) { - pbuf_free(p); - IGMP_STATS_INC(igmp.drop); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP frame not for us\n")); - return; - } - - /* NOW ACT ON THE INCOMING MESSAGE TYPE... */ - switch (igmp->igmp_msgtype) { - case IGMP_MEMB_QUERY: { - /* IGMP_MEMB_QUERY to the "all systems" address ? */ - if ((ip_addr_cmp(dest, &allsystems)) && ip_addr_isany(&igmp->igmp_group_address)) { - /* THIS IS THE GENERAL QUERY */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: General IGMP_MEMB_QUERY on \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - - if (igmp->igmp_maxresp == 0) { - IGMP_STATS_INC(igmp.rx_v1); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got an all hosts query with time== 0 - this is V1 and not implemented - treat as v2\n")); - igmp->igmp_maxresp = IGMP_V1_DELAYING_MEMBER_TMR; - } else { - IGMP_STATS_INC(igmp.rx_general); - } - - groupref = igmp_group_list; - while (groupref) { - /* Do not send messages on the all systems group address! */ - if ((groupref->netif == inp) && (!(ip_addr_cmp(&(groupref->group_address), &allsystems)))) { - igmp_delaying_member(groupref, igmp->igmp_maxresp); - } - groupref = groupref->next; - } - } else { - /* IGMP_MEMB_QUERY to a specific group ? */ - if (!ip_addr_isany(&igmp->igmp_group_address)) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_MEMB_QUERY to a specific group ")); - ip_addr_debug_print(IGMP_DEBUG, &igmp->igmp_group_address); - if (ip_addr_cmp(dest, &allsystems)) { - ip_addr_t groupaddr; - LWIP_DEBUGF(IGMP_DEBUG, (" using \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - /* we first need to re-look for the group since we used dest last time */ - ip_addr_copy(groupaddr, igmp->igmp_group_address); - group = igmp_lookfor_group(inp, &groupaddr); - } else { - LWIP_DEBUGF(IGMP_DEBUG, (" with the group address as destination [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - } - - if (group != NULL) { - IGMP_STATS_INC(igmp.rx_group); - igmp_delaying_member(group, igmp->igmp_maxresp); - } else { - IGMP_STATS_INC(igmp.drop); - } - } else { - IGMP_STATS_INC(igmp.proterr); - } - } - break; - } - case IGMP_V2_MEMB_REPORT: { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_V2_MEMB_REPORT\n")); - IGMP_STATS_INC(igmp.rx_report); - if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) { - /* This is on a specific group we have already looked up */ - group->timer = 0; /* stopped */ - group->group_state = IGMP_GROUP_IDLE_MEMBER; - group->last_reporter_flag = 0; - } - break; - } - default: { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: unexpected msg %d in state %d on group %p on if %p\n", - igmp->igmp_msgtype, group->group_state, &group, group->netif)); - IGMP_STATS_INC(igmp.proterr); - break; - } - } - - pbuf_free(p); - return; -} - -/** - * Join a group on one network interface. - * - * @param ifaddr ip address of the network interface which should join a new group - * @param groupaddr the ip address of the group which to join - * @return ERR_OK if group was joined on the netif(s), an err_t otherwise - */ -err_t -igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr) -{ - err_t err = ERR_VAL; /* no matching interface */ - struct igmp_group *group; - struct netif *netif; - - /* make sure it is multicast address */ - LWIP_ERROR("igmp_joingroup: attempt to join non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;); - LWIP_ERROR("igmp_joingroup: attempt to join allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;); - - /* loop through netif's */ - netif = netif_list; - while (netif != NULL) { - /* Should we join this interface ? */ - if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) { - /* find group or create a new one if not found */ - group = igmp_lookup_group(netif, groupaddr); - - if (group != NULL) { - /* This should create a new group, check the state to make sure */ - if (group->group_state != IGMP_GROUP_NON_MEMBER) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to group not in state IGMP_GROUP_NON_MEMBER\n")); - } else { - /* OK - it was new group */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to new group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* If first use of the group, allow the group at the MAC level */ - if ((group->use==0) && (netif->igmp_mac_filter != NULL)) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: igmp_mac_filter(ADD ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, groupaddr, IGMP_ADD_MAC_FILTER); - } - - IGMP_STATS_INC(igmp.tx_join); - igmp_send(group, IGMP_V2_MEMB_REPORT); - - igmp_start_timer(group, IGMP_JOIN_DELAYING_MEMBER_TMR); - - /* Need to work out where this timer comes from */ - group->group_state = IGMP_GROUP_DELAYING_MEMBER; - } - /* Increment group use */ - group->use++; - /* Join on this interface */ - err = ERR_OK; - } else { - /* Return an error even if some network interfaces are joined */ - /** @todo undo any other netif already joined */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: Not enought memory to join to group\n")); - return ERR_MEM; - } - } - /* proceed to next network interface */ - netif = netif->next; - } - - return err; -} - -/** - * Leave a group on one network interface. - * - * @param ifaddr ip address of the network interface which should leave a group - * @param groupaddr the ip address of the group which to leave - * @return ERR_OK if group was left on the netif(s), an err_t otherwise - */ -err_t -igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr) -{ - err_t err = ERR_VAL; /* no matching interface */ - struct igmp_group *group; - struct netif *netif; - - /* make sure it is multicast address */ - LWIP_ERROR("igmp_leavegroup: attempt to leave non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;); - LWIP_ERROR("igmp_leavegroup: attempt to leave allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;); - - /* loop through netif's */ - netif = netif_list; - while (netif != NULL) { - /* Should we leave this interface ? */ - if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) { - /* find group */ - group = igmp_lookfor_group(netif, groupaddr); - - if (group != NULL) { - /* Only send a leave if the flag is set according to the state diagram */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: Leaving group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* If there is no other use of the group */ - if (group->use <= 1) { - /* If we are the last reporter for this group */ - if (group->last_reporter_flag) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: sending leaving group\n")); - IGMP_STATS_INC(igmp.tx_leave); - igmp_send(group, IGMP_LEAVE_GROUP); - } - - /* Disable the group at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: igmp_mac_filter(DEL ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, groupaddr, IGMP_DEL_MAC_FILTER); - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: remove group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* Free the group */ - igmp_remove_group(group); - } else { - /* Decrement group use */ - group->use--; - } - /* Leave on this interface */ - err = ERR_OK; - } else { - /* It's not a fatal error on "leavegroup" */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: not member of group\n")); - } - } - /* proceed to next network interface */ - netif = netif->next; - } - - return err; -} - -/** - * The igmp timer function (both for NO_SYS=1 and =0) - * Should be called every IGMP_TMR_INTERVAL milliseconds (100 ms is default). - */ -void -igmp_tmr(void) -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - if (group->timer > 0) { - group->timer--; - if (group->timer == 0) { - igmp_timeout(group); - } - } - group = group->next; - } -} - -/** - * Called if a timeout for one group is reached. - * Sends a report for this group. - * - * @param group an igmp_group for which a timeout is reached - */ -static void -igmp_timeout(struct igmp_group *group) -{ - /* If the state is IGMP_GROUP_DELAYING_MEMBER then we send a report for this group */ - if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_timeout: report membership for group with address ")); - ip_addr_debug_print(IGMP_DEBUG, &(group->group_address)); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->netif)); - - IGMP_STATS_INC(igmp.tx_report); - igmp_send(group, IGMP_V2_MEMB_REPORT); - } -} - -/** - * Start a timer for an igmp group - * - * @param group the igmp_group for which to start a timer - * @param max_time the time in multiples of IGMP_TMR_INTERVAL (decrease with - * every call to igmp_tmr()) - */ -static void -igmp_start_timer(struct igmp_group *group, u8_t max_time) -{ - /* ensure the input value is > 0 */ -#ifdef LWIP_RAND - if (max_time == 0) { - max_time = 1; - } - /* ensure the random value is > 0 */ - group->timer = (LWIP_RAND() % max_time); - if (group->timer == 0) { - group->timer = 1; - } -#else /* LWIP_RAND */ - /* ATTENTION: use this only if absolutely necessary! */ - group->timer = max_time / 2; - if (group->timer == 0) { - group->timer = 1; - } -#endif /* LWIP_RAND */ -} - -/** - * Stop a timer for an igmp_group - * - * @param group the igmp_group for which to stop the timer - */ -static void -igmp_stop_timer(struct igmp_group *group) -{ - group->timer = 0; -} - -/** - * Delaying membership report for a group if necessary - * - * @param group the igmp_group for which "delaying" membership report - * @param maxresp query delay - */ -static void -igmp_delaying_member(struct igmp_group *group, u8_t maxresp) -{ - if ((group->group_state == IGMP_GROUP_IDLE_MEMBER) || - ((group->group_state == IGMP_GROUP_DELAYING_MEMBER) && - ((group->timer == 0) || (maxresp < group->timer)))) { - igmp_start_timer(group, maxresp); - group->group_state = IGMP_GROUP_DELAYING_MEMBER; - } -} - - -/** - * Sends an IP packet on a network interface. This function constructs the IP header - * and calculates the IP header checksum. If the source IP address is NULL, - * the IP address of the outgoing network interface is filled in as source address. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param netif the netif on which to send this packet - * @return ERR_OK if the packet was sent OK - * ERR_BUF if p doesn't have enough space for IP/LINK headers - * returns errors returned by netif->output - */ -static err_t -igmp_ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, struct netif *netif) -{ - /* This is the "router alert" option */ - u16_t ra[2]; - ra[0] = PP_HTONS(ROUTER_ALERT); - ra[1] = 0x0000; /* Router shall examine packet */ - IGMP_STATS_INC(igmp.xmit); - return ip_output_if_opt(p, src, dest, IGMP_TTL, 0, IP_PROTO_IGMP, netif, ra, ROUTER_ALERTLEN); -} - -/** - * Send an igmp packet to a specific group. - * - * @param group the group to which to send the packet - * @param type the type of igmp packet to send - */ -static void -igmp_send(struct igmp_group *group, u8_t type) -{ - struct pbuf* p = NULL; - struct igmp_msg* igmp = NULL; - ip_addr_t src = *IP_ADDR_ANY; - ip_addr_t* dest = NULL; - - /* IP header + "router alert" option + IGMP header */ - p = pbuf_alloc(PBUF_TRANSPORT, IGMP_MINLEN, PBUF_RAM); - - if (p) { - igmp = (struct igmp_msg *)p->payload; - LWIP_ASSERT("igmp_send: check that first pbuf can hold struct igmp_msg", - (p->len >= sizeof(struct igmp_msg))); - ip_addr_copy(src, group->netif->ip_addr); - - if (type == IGMP_V2_MEMB_REPORT) { - dest = &(group->group_address); - ip_addr_copy(igmp->igmp_group_address, group->group_address); - group->last_reporter_flag = 1; /* Remember we were the last to report */ - } else { - if (type == IGMP_LEAVE_GROUP) { - dest = &allrouters; - ip_addr_copy(igmp->igmp_group_address, group->group_address); - } - } - - if ((type == IGMP_V2_MEMB_REPORT) || (type == IGMP_LEAVE_GROUP)) { - igmp->igmp_msgtype = type; - igmp->igmp_maxresp = 0; - igmp->igmp_checksum = 0; - igmp->igmp_checksum = inet_chksum(igmp, IGMP_MINLEN); - - igmp_ip_output_if(p, &src, dest, group->netif); - } - - pbuf_free(p); - } else { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_send: not enough memory for igmp_send\n")); - IGMP_STATS_INC(igmp.memerr); - } -} - -#endif /* LWIP_IGMP */ diff --git a/tools/sdk/lwip/src/core/ipv4/inet.c b/tools/sdk/lwip/src/core/ipv4/inet.c deleted file mode 100644 index e283a57660..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/inet.c +++ /dev/null @@ -1,42 +0,0 @@ -/** - * @file - * Functions common to all TCP/IPv4 modules, such as the byte order functions. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/inet.h" - diff --git a/tools/sdk/lwip/src/core/ipv4/inet_chksum.c b/tools/sdk/lwip/src/core/ipv4/inet_chksum.c deleted file mode 100644 index bfcc40d5b2..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/inet_chksum.c +++ /dev/null @@ -1,450 +0,0 @@ -/** - * @file - * Incluse internet checksum functions. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/inet_chksum.h" -#include "lwip/def.h" - -#include -#include - -/* These are some reference implementations of the checksum algorithm, with the - * aim of being simple, correct and fully portable. Checksumming is the - * first thing you would want to optimize for your platform. If you create - * your own version, link it in and in your cc.h put: - * - * #define LWIP_CHKSUM - * - * Or you can select from the implementations below by defining - * LWIP_CHKSUM_ALGORITHM to 1, 2 or 3. - */ - -#ifndef LWIP_CHKSUM -# define LWIP_CHKSUM lwip_standard_chksum -# ifndef LWIP_CHKSUM_ALGORITHM -# define LWIP_CHKSUM_ALGORITHM 2 -# endif -#endif -/* If none set: */ -#ifndef LWIP_CHKSUM_ALGORITHM -# define LWIP_CHKSUM_ALGORITHM 0 -#endif - -#if (LWIP_CHKSUM_ALGORITHM == 1) /* Version #1 */ -/** - * lwip checksum - * - * @param dataptr points to start of data to be summed at any boundary - * @param len length of data to be summed - * @return host order (!) lwip checksum (non-inverted Internet sum) - * - * @note accumulator size limits summable length to 64k - * @note host endianess is irrelevant (p3 RFC1071) - */ -static u16_t ICACHE_FLASH_ATTR -lwip_standard_chksum(void *dataptr, u16_t len) -{ - u32_t acc; - u16_t src; - u8_t *octetptr; - - acc = 0; - /* dataptr may be at odd or even addresses */ - octetptr = (u8_t*)dataptr; - while (len > 1) { - /* declare first octet as most significant - thus assume network order, ignoring host order */ - src = (*octetptr) << 8; - octetptr++; - /* declare second octet as least significant */ - src |= (*octetptr); - octetptr++; - acc += src; - len -= 2; - } - if (len > 0) { - /* accumulate remaining octet */ - src = (*octetptr) << 8; - acc += src; - } - /* add deferred carry bits */ - acc = (acc >> 16) + (acc & 0x0000ffffUL); - if ((acc & 0xffff0000UL) != 0) { - acc = (acc >> 16) + (acc & 0x0000ffffUL); - } - /* This maybe a little confusing: reorder sum using htons() - instead of ntohs() since it has a little less call overhead. - The caller must invert bits for Internet sum ! */ - return htons((u16_t)acc); -} -#endif - -#if (LWIP_CHKSUM_ALGORITHM == 2) /* Alternative version #2 */ -/* - * Curt McDowell - * Broadcom Corp. - * csm@broadcom.com - * - * IP checksum two bytes at a time with support for - * unaligned buffer. - * Works for len up to and including 0x20000. - * by Curt McDowell, Broadcom Corp. 12/08/2005 - * - * @param dataptr points to start of data to be summed at any boundary - * @param len length of data to be summed - * @return host order (!) lwip checksum (non-inverted Internet sum) - */ - -static u16_t ICACHE_FLASH_ATTR -lwip_standard_chksum(void *dataptr, int len) -{ - u8_t *pb = (u8_t *)dataptr; - u16_t *ps, t = 0; - u32_t sum = 0; - int odd = ((mem_ptr_t)pb & 1); - - /* Get aligned to u16_t */ - if (odd && len > 0) { - ((u8_t *)&t)[1] = *pb++; - len--; - } - - /* Add the bulk of the data */ - ps = (u16_t *)(void *)pb; - while (len > 1) { - sum += *ps++; - len -= 2; - } - - /* Consume left-over byte, if any */ - if (len > 0) { - ((u8_t *)&t)[0] = *(u8_t *)ps; - } - - /* Add end bytes */ - sum += t; - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - sum = FOLD_U32T(sum); - sum = FOLD_U32T(sum); - - /* Swap if alignment was odd */ - if (odd) { - sum = SWAP_BYTES_IN_WORD(sum); - } - - return (u16_t)sum; -} -#endif - -#if (LWIP_CHKSUM_ALGORITHM == 3) /* Alternative version #3 */ -/** - * An optimized checksum routine. Basically, it uses loop-unrolling on - * the checksum loop, treating the head and tail bytes specially, whereas - * the inner loop acts on 8 bytes at a time. - * - * @arg start of buffer to be checksummed. May be an odd byte address. - * @len number of bytes in the buffer to be checksummed. - * @return host order (!) lwip checksum (non-inverted Internet sum) - * - * by Curt McDowell, Broadcom Corp. December 8th, 2005 - */ - -static u16_t ICACHE_FLASH_ATTR -lwip_standard_chksum(void *dataptr, int len) -{ - u8_t *pb = (u8_t *)dataptr; - u16_t *ps, t = 0; - u32_t *pl; - u32_t sum = 0, tmp; - /* starts at odd byte address? */ - int odd = ((mem_ptr_t)pb & 1); - - if (odd && len > 0) { - ((u8_t *)&t)[1] = *pb++; - len--; - } - - ps = (u16_t *)pb; - - if (((mem_ptr_t)ps & 3) && len > 1) { - sum += *ps++; - len -= 2; - } - - pl = (u32_t *)ps; - - while (len > 7) { - tmp = sum + *pl++; /* ping */ - if (tmp < sum) { - tmp++; /* add back carry */ - } - - sum = tmp + *pl++; /* pong */ - if (sum < tmp) { - sum++; /* add back carry */ - } - - len -= 8; - } - - /* make room in upper bits */ - sum = FOLD_U32T(sum); - - ps = (u16_t *)pl; - - /* 16-bit aligned word remaining? */ - while (len > 1) { - sum += *ps++; - len -= 2; - } - - /* dangling tail byte remaining? */ - if (len > 0) { /* include odd byte */ - ((u8_t *)&t)[0] = *(u8_t *)ps; - } - - sum += t; /* add end bytes */ - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - sum = FOLD_U32T(sum); - sum = FOLD_U32T(sum); - - if (odd) { - sum = SWAP_BYTES_IN_WORD(sum); - } - - return (u16_t)sum; -} -#endif - -/* inet_chksum_pseudo: - * - * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain. - * IP addresses are expected to be in network byte order. - * - * @param p chain of pbufs over that a checksum should be calculated (ip data part) - * @param src source ip address (used for checksum of pseudo header) - * @param dst destination ip address (used for checksum of pseudo header) - * @param proto ip protocol (used for checksum of pseudo header) - * @param proto_len length of the ip data part (used for checksum of pseudo header) - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -u16_t -inet_chksum_pseudo(struct pbuf *p, - ip_addr_t *src, ip_addr_t *dest, - u8_t proto, u16_t proto_len) -{ - u32_t acc; - u32_t addr; - struct pbuf *q; - u8_t swapped; - - acc = 0; - swapped = 0; - /* iterate through all pbuf in chain */ - for(q = p; q != NULL; q = q->next) { - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n", - (void *)q, (void *)q->next)); - acc += LWIP_CHKSUM(q->payload, q->len); - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/ - /* just executing this next line is probably faster that the if statement needed - to check whether we really need to execute it, and does no harm */ - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/ - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - addr = ip4_addr_get_u32(src); - acc += (addr & 0xffffUL); - acc += ((addr >> 16) & 0xffffUL); - addr = ip4_addr_get_u32(dest); - acc += (addr & 0xffffUL); - acc += ((addr >> 16) & 0xffffUL); - acc += (u32_t)htons((u16_t)proto); - acc += (u32_t)htons(proto_len); - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - acc = FOLD_U32T(acc); - acc = FOLD_U32T(acc); - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc)); - return (u16_t)~(acc & 0xffffUL); -} - -/* inet_chksum_pseudo: - * - * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain. - * IP addresses are expected to be in network byte order. - * - * @param p chain of pbufs over that a checksum should be calculated (ip data part) - * @param src source ip address (used for checksum of pseudo header) - * @param dst destination ip address (used for checksum of pseudo header) - * @param proto ip protocol (used for checksum of pseudo header) - * @param proto_len length of the ip data part (used for checksum of pseudo header) - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -u16_t -inet_chksum_pseudo_partial(struct pbuf *p, - ip_addr_t *src, ip_addr_t *dest, - u8_t proto, u16_t proto_len, u16_t chksum_len) -{ - u32_t acc; - u32_t addr; - struct pbuf *q; - u8_t swapped; - u16_t chklen; - - acc = 0; - swapped = 0; - /* iterate through all pbuf in chain */ - for(q = p; (q != NULL) && (chksum_len > 0); q = q->next) { - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n", - (void *)q, (void *)q->next)); - chklen = q->len; - if (chklen > chksum_len) { - chklen = chksum_len; - } - acc += LWIP_CHKSUM(q->payload, chklen); - chksum_len -= chklen; - LWIP_ASSERT("delete me", chksum_len < 0x7fff); - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/ - /* fold the upper bit down */ - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/ - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - addr = ip4_addr_get_u32(src); - acc += (addr & 0xffffUL); - acc += ((addr >> 16) & 0xffffUL); - addr = ip4_addr_get_u32(dest); - acc += (addr & 0xffffUL); - acc += ((addr >> 16) & 0xffffUL); - acc += (u32_t)htons((u16_t)proto); - acc += (u32_t)htons(proto_len); - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - acc = FOLD_U32T(acc); - acc = FOLD_U32T(acc); - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc)); - return (u16_t)~(acc & 0xffffUL); -} - -/* inet_chksum: - * - * Calculates the Internet checksum over a portion of memory. Used primarily for IP - * and ICMP. - * - * @param dataptr start of the buffer to calculate the checksum (no alignment needed) - * @param len length of the buffer to calculate the checksum - * @return checksum (as u16_t) to be saved directly in the protocol header - */ - -u16_t -inet_chksum(void *dataptr, u16_t len) -{ - return ~LWIP_CHKSUM(dataptr, len); -} - -/** - * Calculate a checksum over a chain of pbufs (without pseudo-header, much like - * inet_chksum only pbufs are used). - * - * @param p pbuf chain over that the checksum should be calculated - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -u16_t -inet_chksum_pbuf(struct pbuf *p) -{ - u32_t acc; - struct pbuf *q; - u8_t swapped; - - acc = 0; - swapped = 0; - for(q = p; q != NULL; q = q->next) { - acc += LWIP_CHKSUM(q->payload, q->len); - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - return (u16_t)~(acc & 0xffffUL); -} - -/* These are some implementations for LWIP_CHKSUM_COPY, which copies data - * like MEMCPY but generates a checksum at the same time. Since this is a - * performance-sensitive function, you might want to create your own version - * in assembly targeted at your hardware by defining it in lwipopts.h: - * #define LWIP_CHKSUM_COPY(dst, src, len) your_chksum_copy(dst, src, len) - */ - -#if (LWIP_CHKSUM_COPY_ALGORITHM == 1) /* Version #1 */ -/** Safe but slow: first call MEMCPY, then call LWIP_CHKSUM. - * For architectures with big caches, data might still be in cache when - * generating the checksum after copying. - */ -u16_t -lwip_chksum_copy(void *dst, const void *src, u16_t len) -{ - MEMCPY(dst, src, len); - return LWIP_CHKSUM(dst, len); -} -#endif /* (LWIP_CHKSUM_COPY_ALGORITHM == 1) */ diff --git a/tools/sdk/lwip/src/core/ipv4/ip.c b/tools/sdk/lwip/src/core/ipv4/ip.c deleted file mode 100644 index 89d3f11cf8..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/ip.c +++ /dev/null @@ -1,910 +0,0 @@ -/** - * @file - * This is the IPv4 layer implementation for incoming and outgoing IP traffic. - * - * @see ip_frag.c - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" -#include "lwip/ip.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/ip_frag.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/igmp.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcp_impl.h" -#include "lwip/snmp.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "lwip/stats.h" -#include "arch/perf.h" - -#include - -/** Set this to 0 in the rare case of wanting to call an extra function to - * generate the IP checksum (in contrast to calculating it on-the-fly). */ -#ifndef LWIP_INLINE_IP_CHKSUM -#define LWIP_INLINE_IP_CHKSUM 1 -#endif -#if LWIP_INLINE_IP_CHKSUM && CHECKSUM_GEN_IP -#define CHECKSUM_GEN_IP_INLINE 1 -#else -#define CHECKSUM_GEN_IP_INLINE 0 -#endif - -#if LWIP_DHCP || defined(LWIP_IP_ACCEPT_UDP_PORT) -#define IP_ACCEPT_LINK_LAYER_ADDRESSING 1 - -/** Some defines for DHCP to let link-layer-addressed packets through while the - * netif is down. - * To use this in your own application/protocol, define LWIP_IP_ACCEPT_UDP_PORT - * to return 1 if the port is accepted and 0 if the port is not accepted. - */ -#if LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) -/* accept DHCP client port and custom port */ -#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (((port) == PP_NTOHS(DHCP_CLIENT_PORT)) \ - || (LWIP_IP_ACCEPT_UDP_PORT(port))) -#elif defined(LWIP_IP_ACCEPT_UDP_PORT) /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */ -/* accept custom port only */ -#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (LWIP_IP_ACCEPT_UDP_PORT(dst_port)) -#else /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */ -/* accept DHCP client port only */ -#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) ((port) == PP_NTOHS(DHCP_CLIENT_PORT)) -#endif /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */ - -#else /* LWIP_DHCP */ -#define IP_ACCEPT_LINK_LAYER_ADDRESSING 0 -#endif /* LWIP_DHCP */ - -/** - * The interface that provided the packet for the current callback - * invocation. - */ -struct netif *current_netif; - -/** - * Header of the input packet currently being processed. - */ -const struct ip_hdr *current_header; -/** Source IP address of current_header */ -ip_addr_t current_iphdr_src; -/** Destination IP address of current_header */ -ip_addr_t current_iphdr_dest; - -/** The IP header ID of the next outgoing IP packet */ -static u16_t ip_id; - -/** - * Finds the appropriate network interface for a given IP address. It - * searches the list of network interfaces linearly. A match is found - * if the masked IP address of the network interface equals the masked - * IP address given to the function. - * - * @param dest the destination IP address for which to find the route - * @return the netif on which to send to reach dest - */ -struct netif * -ip_route(ip_addr_t *dest) -{ - struct netif *netif; - - /* iterate through netifs */ - for(netif = netif_list; netif != NULL; netif = netif->next) { - /* network mask matches? */ - if (netif_is_up(netif)) { - if (ip_addr_netcmp(dest, &(netif->ip_addr), &(netif->netmask))) { - /* return netif on which to forward IP packet */ - return netif; - } - } - } - /* iterate through netifs */ - for(netif = netif_list; netif != NULL; netif = netif->next) { - /* network mask matches? */ - if (netif_is_up(netif)) { - if (!ip_addr_isbroadcast(dest, netif) && netif == (struct netif *)eagle_lwip_getif(0)) { - return netif; - } - } - } - if ((netif_default == NULL) || (!netif_is_up(netif_default))) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_route: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest))); - IP_STATS_INC(ip.rterr); - snmp_inc_ipoutnoroutes(); - return NULL; - } - /* no matching netif found, use default netif */ - return netif_default; -} - -/** - * Finds the appropriate network interface for a source IP address. It - * searches the list of network interfaces linearly. A match is found - * if the masked IP address of the network interface equals the masked - * IP address given to the function. - * - * @param source the sourcination IP address for which to find the route - * @return the netif on which to send to reach source - */ - -struct netif *ICACHE_FLASH_ATTR -ip_router(ip_addr_t *dest, ip_addr_t *source){ - struct netif *netif; - /* iterate through netifs */ - for(netif = netif_list; netif != NULL; netif = netif->next) { - /* network mask matches? */ - - if (netif_is_up(netif)) { - if (ip_addr_netcmp(dest, &(netif->ip_addr), &(netif->netmask))) { - /* return netif on which to forward IP packet */ - return netif; - } - } - - if (netif_is_up(netif)) { - if (ip_addr_netcmp(source, &(netif->ip_addr), &(netif->netmask))) { - /* return netif on which to forward IP packet */ - return netif; - } - } - } - - if ((netif_default == NULL) || (!netif_is_up(netif_default))) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_route: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest))); - IP_STATS_INC(ip.rterr); - snmp_inc_ipoutnoroutes(); - return NULL; - } - /* no matching netif found, use default netif */ - os_printf("ip_router %d %p\n", __LINE__, netif_default); - return netif_default; -} - -#if IP_FORWARD -/** - * Forwards an IP packet. It finds an appropriate route for the - * packet, decrements the TTL value of the packet, adjusts the - * checksum and outputs the packet on the appropriate interface. - * - * @param p the packet to forward (p->payload points to IP header) - * @param iphdr the IP header of the input packet - * @param inp the netif on which this packet was received - */ -static void ICACHE_FLASH_ATTR -ip_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp) -{ - struct netif *netif; - - PERF_START; - - /* RFC3927 2.7: do not forward link-local addresses */ - if (ip_addr_islinklocal(¤t_iphdr_dest)) { - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not forwarding LLA %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest), - ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest))); - goto return_noroute; - } - - /* Find network interface where to forward this IP packet to. */ - netif = ip_route(¤t_iphdr_dest); - if (netif == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: no forwarding route for %"U16_F".%"U16_F".%"U16_F".%"U16_F" found\n", - ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest), - ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest))); - goto return_noroute; - } - /* Do not forward packets onto the same network interface on which - * they arrived. */ - if (netif == inp) { - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not bouncing packets back on incoming interface.\n")); - goto return_noroute; - } - - /* decrement TTL */ - IPH_TTL_SET(iphdr, IPH_TTL(iphdr) - 1); - /* send ICMP if TTL == 0 */ - if (IPH_TTL(iphdr) == 0) { - snmp_inc_ipinhdrerrors(); -#if LWIP_ICMP - /* Don't send ICMP messages in response to ICMP messages */ - if (IPH_PROTO(iphdr) != IP_PROTO_ICMP) { - icmp_time_exceeded(p, ICMP_TE_TTL); - } -#endif /* LWIP_ICMP */ - return; - } - - /* Incrementally update the IP checksum. */ - if (IPH_CHKSUM(iphdr) >= PP_HTONS(0xffff - 0x100)) { - IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + PP_HTONS(0x100) + 1); - } else { - IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + PP_HTONS(0x100)); - } - - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: forwarding packet to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest), - ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest))); - - IP_STATS_INC(ip.fw); - IP_STATS_INC(ip.xmit); - snmp_inc_ipforwdatagrams(); - - PERF_STOP("ip_forward"); - /* transmit pbuf on chosen interface */ - netif->output(netif, p, ¤t_iphdr_dest); - return; -return_noroute: - snmp_inc_ipoutnoroutes(); -} -#endif /* IP_FORWARD */ - -/** - * This function is called by the network interface device driver when - * an IP packet is received. The function does the basic checks of the - * IP header such as packet size being at least larger than the header - * size etc. If the packet was not destined for us, the packet is - * forwarded (using ip_forward). The IP checksum is always checked. - * - * Finally, the packet is sent to the upper layer protocol input function. - * - * @param p the received IP packet (p->payload points to IP header) - * @param inp the netif on which this packet was received - * @return ERR_OK if the packet was processed (could return ERR_* if it wasn't - * processed, but currently always returns ERR_OK) - */ -err_t -ip_input(struct pbuf *p, struct netif *inp) -{ - struct ip_hdr *iphdr; - struct netif *netif; - u16_t iphdr_hlen; - u16_t iphdr_len; -#if IP_ACCEPT_LINK_LAYER_ADDRESSING - int check_ip_src=1; -#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */ - - IP_STATS_INC(ip.recv); - snmp_inc_ipinreceives(); - - /* identify the IP header */ - iphdr = (struct ip_hdr *)p->payload; - if (IPH_V(iphdr) != 4) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_WARNING, ("IP packet dropped due to bad version number %"U16_F"\n", IPH_V(iphdr))); - ip_debug_print(p); - pbuf_free(p); - IP_STATS_INC(ip.err); - IP_STATS_INC(ip.drop); - snmp_inc_ipinhdrerrors(); - return ERR_OK; - } - - /* obtain IP header length in number of 32-bit words */ - iphdr_hlen = IPH_HL(iphdr); - /* calculate IP header length in bytes */ - iphdr_hlen *= 4; - /* obtain ip length in bytes */ - iphdr_len = ntohs(IPH_LEN(iphdr)); - - /* header length exceeds first pbuf length, or ip length exceeds total pbuf length? */ - if ((iphdr_hlen > p->len) || (iphdr_len > p->tot_len)) { - if (iphdr_hlen > p->len) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("IP header (len %"U16_F") does not fit in first pbuf (len %"U16_F"), IP packet dropped.\n", - iphdr_hlen, p->len)); - } - if (iphdr_len > p->tot_len) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("IP (len %"U16_F") is longer than pbuf (len %"U16_F"), IP packet dropped.\n", - iphdr_len, p->tot_len)); - } - /* free (drop) packet pbufs */ - pbuf_free(p); - IP_STATS_INC(ip.lenerr); - IP_STATS_INC(ip.drop); - snmp_inc_ipindiscards(); - return ERR_OK; - } - - /* verify checksum */ -#if CHECKSUM_CHECK_IP - if (inet_chksum(iphdr, iphdr_hlen) != 0) { - - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("Checksum (0x%"X16_F") failed, IP packet dropped.\n", inet_chksum(iphdr, iphdr_hlen))); - ip_debug_print(p); - pbuf_free(p); - IP_STATS_INC(ip.chkerr); - IP_STATS_INC(ip.drop); - snmp_inc_ipinhdrerrors(); - return ERR_OK; - } -#endif - - /* Trim pbuf. This should have been done at the netif layer, - * but we'll do it anyway just to be sure that its done. */ - pbuf_realloc(p, iphdr_len); - - /* copy IP addresses to aligned ip_addr_t */ - ip_addr_copy(current_iphdr_dest, iphdr->dest); - ip_addr_copy(current_iphdr_src, iphdr->src); - - /* match packet against an interface, i.e. is this packet for us? */ -#if LWIP_IGMP - if (ip_addr_ismulticast(¤t_iphdr_dest)) { - if ((inp->flags & NETIF_FLAG_IGMP) && (igmp_lookfor_group(inp, ¤t_iphdr_dest))) { - netif = inp; - } else { - netif = NULL; - } - } else -#endif /* LWIP_IGMP */ - { - /* start trying with inp. if that's not acceptable, start walking the - list of configured netifs. - 'first' is used as a boolean to mark whether we started walking the list */ - int first = 1; - netif = inp; - do { - LWIP_DEBUGF(IP_DEBUG, ("ip_input: iphdr->dest 0x%"X32_F" netif->ip_addr 0x%"X32_F" (0x%"X32_F", 0x%"X32_F", 0x%"X32_F")\n", - ip4_addr_get_u32(&iphdr->dest), ip4_addr_get_u32(&netif->ip_addr), - ip4_addr_get_u32(&iphdr->dest) & ip4_addr_get_u32(&netif->netmask), - ip4_addr_get_u32(&netif->ip_addr) & ip4_addr_get_u32(&netif->netmask), - ip4_addr_get_u32(&iphdr->dest) & ~ip4_addr_get_u32(&netif->netmask))); - - /* interface is up and configured? */ - if ((netif_is_up(netif)) && (!ip_addr_isany(&(netif->ip_addr)))) { - /* unicast to this interface address? */ - if (ip_addr_cmp(¤t_iphdr_dest, &(netif->ip_addr)) || - /* or broadcast on this interface network address? */ - ip_addr_isbroadcast(¤t_iphdr_dest, netif)) { - LWIP_DEBUGF(IP_DEBUG, ("ip_input: packet accepted on interface %c%c\n", - netif->name[0], netif->name[1])); - /* break out of for loop */ - break; - } -#if LWIP_AUTOIP - /* connections to link-local addresses must persist after changing - the netif's address (RFC3927 ch. 1.9) */ - if ((netif->autoip != NULL) && - ip_addr_cmp(¤t_iphdr_dest, &(netif->autoip->llipaddr))) { - LWIP_DEBUGF(IP_DEBUG, ("ip_input: LLA packet accepted on interface %c%c\n", - netif->name[0], netif->name[1])); - /* break out of for loop */ - break; - } -#endif /* LWIP_AUTOIP */ - } - if (first) { - first = 0; - netif = netif_list; - } else { - netif = netif->next; - } - if (netif == inp) { - netif = netif->next; - } - } while(netif != NULL); - } - -#if IP_ACCEPT_LINK_LAYER_ADDRESSING - /* Pass DHCP messages regardless of destination address. DHCP traffic is addressed - * using link layer addressing (such as Ethernet MAC) so we must not filter on IP. - * According to RFC 1542 section 3.1.1, referred by RFC 2131). - * - * If you want to accept private broadcast communication while a netif is down, - * define LWIP_IP_ACCEPT_UDP_PORT(dst_port), e.g.: - * - * #define LWIP_IP_ACCEPT_UDP_PORT(dst_port) ((dst_port) == PP_NTOHS(12345)) - */ - if (netif == NULL) { - /* remote port is DHCP server? */ - if (IPH_PROTO(iphdr) == IP_PROTO_UDP) { - struct udp_hdr *udphdr = (struct udp_hdr *)((u8_t *)iphdr + iphdr_hlen); - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: UDP packet to DHCP client port %"U16_F"\n", - ntohs(udphdr->dest))); - if (IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(udphdr->dest)) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: DHCP packet accepted.\n")); - netif = inp; - check_ip_src = 0; - } - } - } -#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */ - - /* broadcast or multicast packet source address? Compliant with RFC 1122: 3.2.1.3 */ -#if IP_ACCEPT_LINK_LAYER_ADDRESSING - /* DHCP servers need 0.0.0.0 to be allowed as source address (RFC 1.1.2.2: 3.2.1.3/a) */ - if (check_ip_src && !ip_addr_isany(¤t_iphdr_src)) -#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */ - { if ((ip_addr_isbroadcast(¤t_iphdr_src, inp)) || - (ip_addr_ismulticast(¤t_iphdr_src))) { - /* packet source is not valid */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("ip_input: packet source is not valid.\n")); - /* free (drop) packet pbufs */ - pbuf_free(p); - IP_STATS_INC(ip.drop); - snmp_inc_ipinaddrerrors(); - snmp_inc_ipindiscards(); - return ERR_OK; - } - } - - /* packet not for us? */ - if (netif == NULL) { - /* packet not for us, route or discard */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: packet not for us.\n")); -#if IP_FORWARD - /* non-broadcast packet? */ - if (!ip_addr_isbroadcast(¤t_iphdr_dest, inp)) { - /* try to forward IP packet on (other) interfaces */ - ip_forward(p, iphdr, inp); - } else -#endif /* IP_FORWARD */ - { - snmp_inc_ipinaddrerrors(); - snmp_inc_ipindiscards(); - } - pbuf_free(p); - return ERR_OK; - } - /* packet consists of multiple fragments? */ - if ((IPH_OFFSET(iphdr) & PP_HTONS(IP_OFFMASK | IP_MF)) != 0) { -#if IP_REASSEMBLY /* packet fragment reassembly code present? */ - LWIP_DEBUGF(IP_DEBUG, ("IP packet is a fragment (id=0x%04"X16_F" tot_len=%"U16_F" len=%"U16_F" MF=%"U16_F" offset=%"U16_F"), calling ip_reass()\n", - ntohs(IPH_ID(iphdr)), p->tot_len, ntohs(IPH_LEN(iphdr)), !!(IPH_OFFSET(iphdr) & PP_HTONS(IP_MF)), (ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK)*8)); - /* reassemble the packet*/ - p = ip_reass(p); - /* packet not fully reassembled yet? */ - if (p == NULL) { - return ERR_OK; - } - iphdr = (struct ip_hdr *)p->payload; -#else /* IP_REASSEMBLY == 0, no packet fragment reassembly code present */ - pbuf_free(p); - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since it was fragmented (0x%"X16_F") (while IP_REASSEMBLY == 0).\n", - ntohs(IPH_OFFSET(iphdr)))); - IP_STATS_INC(ip.opterr); - IP_STATS_INC(ip.drop); - /* unsupported protocol feature */ - snmp_inc_ipinunknownprotos(); - return ERR_OK; -#endif /* IP_REASSEMBLY */ - } - -#if IP_OPTIONS_ALLOWED == 0 /* no support for IP options in the IP header? */ - -#if LWIP_IGMP - /* there is an extra "router alert" option in IGMP messages which we allow for but do not police */ - if((iphdr_hlen > IP_HLEN) && (IPH_PROTO(iphdr) != IP_PROTO_IGMP)) { -#else - if (iphdr_hlen > IP_HLEN) { -#endif /* LWIP_IGMP */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since there were IP options (while IP_OPTIONS_ALLOWED == 0).\n")); - pbuf_free(p); - IP_STATS_INC(ip.opterr); - IP_STATS_INC(ip.drop); - /* unsupported protocol feature */ - snmp_inc_ipinunknownprotos(); - return ERR_OK; - } -#endif /* IP_OPTIONS_ALLOWED == 0 */ - - /* send to upper layers */ - LWIP_DEBUGF(IP_DEBUG, ("ip_input: \n")); - ip_debug_print(p); - LWIP_DEBUGF(IP_DEBUG, ("ip_input: p->len %"U16_F" p->tot_len %"U16_F"\n", p->len, p->tot_len)); - - current_netif = inp; - current_header = iphdr; - -#if LWIP_RAW - /* raw input did not eat the packet? */ - if (raw_input(p, inp) == 0) -#endif /* LWIP_RAW */ - { - - switch (IPH_PROTO(iphdr)) { -#if LWIP_UDP - case IP_PROTO_UDP: -#if LWIP_UDPLITE - case IP_PROTO_UDPLITE: -#endif /* LWIP_UDPLITE */ - snmp_inc_ipindelivers(); - udp_input(p, inp); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case IP_PROTO_TCP: - snmp_inc_ipindelivers(); - tcp_input(p, inp); - break; -#endif /* LWIP_TCP */ -#if LWIP_ICMP - case IP_PROTO_ICMP: - snmp_inc_ipindelivers(); - icmp_input(p, inp); - break; -#endif /* LWIP_ICMP */ -#if LWIP_IGMP - case IP_PROTO_IGMP: - igmp_input(p, inp, ¤t_iphdr_dest); - break; -#endif /* LWIP_IGMP */ - default: -#if LWIP_ICMP - /* send ICMP destination protocol unreachable unless is was a broadcast */ - if (!ip_addr_isbroadcast(¤t_iphdr_dest, inp) && - !ip_addr_ismulticast(¤t_iphdr_dest)) { - p->payload = iphdr; - icmp_dest_unreach(p, ICMP_DUR_PROTO); - } -#endif /* LWIP_ICMP */ - pbuf_free(p); - - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("Unsupported transport protocol %"U16_F"\n", IPH_PROTO(iphdr))); - - IP_STATS_INC(ip.proterr); - IP_STATS_INC(ip.drop); - snmp_inc_ipinunknownprotos(); - } - } - - current_netif = NULL; - current_header = NULL; - ip_addr_set_any(¤t_iphdr_src); - ip_addr_set_any(¤t_iphdr_dest); - - return ERR_OK; -} - -/** - * Sends an IP packet on a network interface. This function constructs - * the IP header and calculates the IP header checksum. If the source - * IP address is NULL, the IP address of the outgoing network - * interface is filled in as source address. - * If the destination IP address is IP_HDRINCL, p is assumed to already - * include an IP header and p->payload points to it instead of the data. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param netif the netif on which to send this packet - * @return ERR_OK if the packet was sent OK - * ERR_BUF if p doesn't have enough space for IP/LINK headers - * returns errors returned by netif->output - * - * @note ip_id: RFC791 "some host may be able to simply use - * unique identifiers independent of destination" - */ -err_t -ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, - u8_t proto, struct netif *netif) -{ -#if IP_OPTIONS_SEND - return ip_output_if_opt(p, src, dest, ttl, tos, proto, netif, NULL, 0); -} - -/** - * Same as ip_output_if() but with the possibility to include IP options: - * - * @ param ip_options pointer to the IP options, copied into the IP header - * @ param optlen length of ip_options - */ -err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options, - u16_t optlen) -{ -#endif /* IP_OPTIONS_SEND */ - struct ip_hdr *iphdr; - ip_addr_t dest_addr; -#if CHECKSUM_GEN_IP_INLINE - u32_t chk_sum = 0; -#endif /* CHECKSUM_GEN_IP_INLINE */ - - /* pbufs passed to IP must have a ref-count of 1 as their payload pointer - gets altered as the packet is passed down the stack */ - LWIP_ASSERT("p->ref == 1", p->ref == 1); - - snmp_inc_ipoutrequests(); - - /* Should the IP header be generated or is it already included in p? */ - if (dest != IP_HDRINCL) { - u16_t ip_hlen = IP_HLEN; -#if IP_OPTIONS_SEND - u16_t optlen_aligned = 0; - if (optlen != 0) { -#if CHECKSUM_GEN_IP_INLINE - int i; -#endif /* CHECKSUM_GEN_IP_INLINE */ - /* round up to a multiple of 4 */ - optlen_aligned = ((optlen + 3) & ~3); - ip_hlen += optlen_aligned; - /* First write in the IP options */ - if (pbuf_header(p, optlen_aligned)) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output_if_opt: not enough room for IP options in pbuf\n")); - IP_STATS_INC(ip.err); - snmp_inc_ipoutdiscards(); - return ERR_BUF; - } - MEMCPY(p->payload, ip_options, optlen); - if (optlen < optlen_aligned) { - /* zero the remaining bytes */ - os_memset(((char*)p->payload) + optlen, 0, optlen_aligned - optlen); - } -#if CHECKSUM_GEN_IP_INLINE - for (i = 0; i < optlen_aligned/2; i++) { - chk_sum += ((u16_t*)p->payload)[i]; - } -#endif /* CHECKSUM_GEN_IP_INLINE */ - } -#endif /* IP_OPTIONS_SEND */ - /* generate IP header */ - if (pbuf_header(p, IP_HLEN)) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output: not enough room for IP header in pbuf\n")); - - IP_STATS_INC(ip.err); - snmp_inc_ipoutdiscards(); - return ERR_BUF; - } - - iphdr = (struct ip_hdr *)p->payload; - LWIP_ASSERT("check that first pbuf can hold struct ip_hdr", - (p->len >= sizeof(struct ip_hdr))); - - IPH_TTL_SET(iphdr, ttl); - IPH_PROTO_SET(iphdr, proto); -#if CHECKSUM_GEN_IP_INLINE - chk_sum += LWIP_MAKE_U16(proto, ttl); -#endif /* CHECKSUM_GEN_IP_INLINE */ - - /* dest cannot be NULL here */ - ip_addr_copy(iphdr->dest, *dest); -#if CHECKSUM_GEN_IP_INLINE - chk_sum += ip4_addr_get_u32(&iphdr->dest) & 0xFFFF; - chk_sum += ip4_addr_get_u32(&iphdr->dest) >> 16; -#endif /* CHECKSUM_GEN_IP_INLINE */ - - IPH_VHLTOS_SET(iphdr, 4, ip_hlen / 4, tos); -#if CHECKSUM_GEN_IP_INLINE - chk_sum += iphdr->_v_hl_tos; -#endif /* CHECKSUM_GEN_IP_INLINE */ - IPH_LEN_SET(iphdr, htons(p->tot_len)); -#if CHECKSUM_GEN_IP_INLINE - chk_sum += iphdr->_len; -#endif /* CHECKSUM_GEN_IP_INLINE */ - IPH_OFFSET_SET(iphdr, 0); - IPH_ID_SET(iphdr, htons(ip_id)); -#if CHECKSUM_GEN_IP_INLINE - chk_sum += iphdr->_id; -#endif /* CHECKSUM_GEN_IP_INLINE */ - ++ip_id; - - if (ip_addr_isany(src)) { - ip_addr_copy(iphdr->src, netif->ip_addr); - } else { - /* src cannot be NULL here */ - ip_addr_copy(iphdr->src, *src); - } - -#if CHECKSUM_GEN_IP_INLINE - chk_sum += ip4_addr_get_u32(&iphdr->src) & 0xFFFF; - chk_sum += ip4_addr_get_u32(&iphdr->src) >> 16; - chk_sum = (chk_sum >> 16) + (chk_sum & 0xFFFF); - chk_sum = (chk_sum >> 16) + chk_sum; - chk_sum = ~chk_sum; - iphdr->_chksum = chk_sum; /* network order */ -#else /* CHECKSUM_GEN_IP_INLINE */ - IPH_CHKSUM_SET(iphdr, 0); -#if CHECKSUM_GEN_IP - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, ip_hlen)); -#endif -#endif /* CHECKSUM_GEN_IP_INLINE */ - } else { - /* IP header already included in p */ - iphdr = (struct ip_hdr *)p->payload; - ip_addr_copy(dest_addr, iphdr->dest); - dest = &dest_addr; - } - - IP_STATS_INC(ip.xmit); - - LWIP_DEBUGF(IP_DEBUG, ("ip_output_if: %c%c%"U16_F"\n", netif->name[0], netif->name[1], netif->num)); - ip_debug_print(p); - -#if ENABLE_LOOPBACK - if (ip_addr_cmp(dest, &netif->ip_addr)) { - /* Packet to self, enqueue it for loopback */ - LWIP_DEBUGF(IP_DEBUG, ("netif_loop_output()")); - return netif_loop_output(netif, p, dest); - } -#if LWIP_IGMP - if ((p->flags & PBUF_FLAG_MCASTLOOP) != 0) { - netif_loop_output(netif, p, dest); - } -#endif /* LWIP_IGMP */ -#endif /* ENABLE_LOOPBACK */ -#if IP_FRAG - /* don't fragment if interface has mtu set to 0 [loopif] */ - if (netif->mtu && (p->tot_len > netif->mtu)) { - return ip_frag(p, netif, dest); - } -#endif /* IP_FRAG */ - - LWIP_DEBUGF(IP_DEBUG, ("netif->output()\n")); - return netif->output(netif, p, dest); -} - -/** - * Simple interface to ip_output_if. It finds the outgoing network - * interface and calls upon ip_output_if to do the actual work. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * - * @return ERR_RTE if no route is found - * see ip_output_if() for more return values - */ -err_t -ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto) -{ - struct netif *netif; - - /* pbufs passed to IP must have a ref-count of 1 as their payload pointer - gets altered as the packet is passed down the stack */ - LWIP_ASSERT("p->ref == 1", p->ref == 1); - - if ((netif = ip_route(dest)) == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest))); - IP_STATS_INC(ip.rterr); - return ERR_RTE; - } - - return ip_output_if(p, src, dest, ttl, tos, proto, netif); -} - -#if LWIP_NETIF_HWADDRHINT -/** Like ip_output, but takes and addr_hint pointer that is passed on to netif->addr_hint - * before calling ip_output_if. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param addr_hint address hint pointer set to netif->addr_hint before - * calling ip_output_if() - * - * @return ERR_RTE if no route is found - * see ip_output_if() for more return values - */ -err_t -ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, - u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint) -{ - struct netif *netif; - err_t err; - - /* pbufs passed to IP must have a ref-count of 1 as their payload pointer - gets altered as the packet is passed down the stack */ - LWIP_ASSERT("p->ref == 1", p->ref == 1); - - if ((netif = ip_route(dest)) == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest))); - IP_STATS_INC(ip.rterr); - return ERR_RTE; - } - - netif->addr_hint = addr_hint; - err = ip_output_if(p, src, dest, ttl, tos, proto, netif); - netif->addr_hint = NULL; - - return err; -} -#endif /* LWIP_NETIF_HWADDRHINT*/ - -#if IP_DEBUG -/* Print an IP header by using LWIP_DEBUGF - * @param p an IP packet, p->payload pointing to the IP header - */ -void -ip_debug_print(struct pbuf *p) -{ - struct ip_hdr *iphdr = (struct ip_hdr *)p->payload; - u8_t *payload; - - payload = (u8_t *)iphdr + IP_HLEN; - - LWIP_DEBUGF(IP_DEBUG, ("IP header:\n")); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("|%2"S16_F" |%2"S16_F" | 0x%02"X16_F" | %5"U16_F" | (v, hl, tos, len)\n", - IPH_V(iphdr), - IPH_HL(iphdr), - IPH_TOS(iphdr), - ntohs(IPH_LEN(iphdr)))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %5"U16_F" |%"U16_F"%"U16_F"%"U16_F"| %4"U16_F" | (id, flags, offset)\n", - ntohs(IPH_ID(iphdr)), - ntohs(IPH_OFFSET(iphdr)) >> 15 & 1, - ntohs(IPH_OFFSET(iphdr)) >> 14 & 1, - ntohs(IPH_OFFSET(iphdr)) >> 13 & 1, - ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK)); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | 0x%04"X16_F" | (ttl, proto, chksum)\n", - IPH_TTL(iphdr), - IPH_PROTO(iphdr), - ntohs(IPH_CHKSUM(iphdr)))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | %3"U16_F" | %3"U16_F" | (src)\n", - ip4_addr1_16(&iphdr->src), - ip4_addr2_16(&iphdr->src), - ip4_addr3_16(&iphdr->src), - ip4_addr4_16(&iphdr->src))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | %3"U16_F" | %3"U16_F" | (dest)\n", - ip4_addr1_16(&iphdr->dest), - ip4_addr2_16(&iphdr->dest), - ip4_addr3_16(&iphdr->dest), - ip4_addr4_16(&iphdr->dest))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); -} -#endif /* IP_DEBUG */ diff --git a/tools/sdk/lwip/src/core/ipv4/ip_addr.c b/tools/sdk/lwip/src/core/ipv4/ip_addr.c deleted file mode 100644 index e2df58d350..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/ip_addr.c +++ /dev/null @@ -1,329 +0,0 @@ -/** - * @file - * This is the IPv4 address tools implementation. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" - -/* used by IP_ADDR_ANY and IP_ADDR_BROADCAST in ip_addr.h */ -const ip_addr_t ip_addr_any ICACHE_RODATA_ATTR = { IPADDR_ANY }; -const ip_addr_t ip_addr_broadcast ICACHE_RODATA_ATTR = { IPADDR_BROADCAST }; - -/** - * Determine if an address is a broadcast address on a network interface - * - * @param addr address to be checked - * @param netif the network interface against which the address is checked - * @return returns non-zero if the address is a broadcast address - */ -u8_t -ip4_addr_isbroadcast(u32_t addr, const struct netif *netif) -{ - ip_addr_t ipaddr; - ip4_addr_set_u32(&ipaddr, addr); - - /* all ones (broadcast) or all zeroes (old skool broadcast) */ - if ((~addr == IPADDR_ANY) || - (addr == IPADDR_ANY)) { - return 1; - /* no broadcast support on this network interface? */ - } else if ((netif->flags & NETIF_FLAG_BROADCAST) == 0) { - /* the given address cannot be a broadcast address - * nor can we check against any broadcast addresses */ - return 0; - /* address matches network interface address exactly? => no broadcast */ - } else if (addr == ip4_addr_get_u32(&netif->ip_addr)) { - return 0; - /* on the same (sub) network... */ - } else if (ip_addr_netcmp(&ipaddr, &(netif->ip_addr), &(netif->netmask)) - /* ...and host identifier bits are all ones? =>... */ - && ((addr & ~ip4_addr_get_u32(&netif->netmask)) == - (IPADDR_BROADCAST & ~ip4_addr_get_u32(&netif->netmask)))) { - /* => network broadcast address */ - return 1; - } else { - return 0; - } -} - -/** Checks if a netmask is valid (starting with ones, then only zeros) - * - * @param netmask the IPv4 netmask to check (in network byte order!) - * @return 1 if the netmask is valid, 0 if it is not - */ -u8_t -ip4_addr_netmask_valid(u32_t netmask) -{ - u32_t mask; - u32_t nm_hostorder = lwip_htonl(netmask); - - /* first, check for the first zero */ - for (mask = 1U << 31 ; mask != 0; mask >>= 1) { - if ((nm_hostorder & mask) == 0) { - break; - } - } - /* then check that there is no one */ - for (; mask != 0; mask >>= 1) { - if ((nm_hostorder & mask) != 0) { - /* there is a one after the first zero -> invalid */ - return 0; - } - } - /* no one after the first zero -> valid */ - return 1; -} - -/* Here for now until needed in other places in lwIP */ -#ifndef isprint -#define in_range(c, lo, up) ((u8_t)c >= lo && (u8_t)c <= up) -#define isprint(c) in_range(c, 0x20, 0x7f) -//#define isdigit(c) in_range(c, '0', '9') -//#define isxdigit(c) (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F')) -#define islower(c) in_range(c, 'a', 'z') -#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v') -#endif - -/** - * Ascii internet address interpretation routine. - * The value returned is in network order. - * - * @param cp IP address in ascii represenation (e.g. "127.0.0.1") - * @return ip address in network order - */ -u32_t -ipaddr_addr(const char *cp) -{ - ip_addr_t val; - - if (ipaddr_aton(cp, &val)) { - return ip4_addr_get_u32(&val); - } - return (IPADDR_NONE); -} - -/** - * Check whether "cp" is a valid ascii representation - * of an Internet address and convert to a binary address. - * Returns 1 if the address is valid, 0 if not. - * This replaces inet_addr, the return value from which - * cannot distinguish between failure and a local broadcast address. - * - * @param cp IP address in ascii represenation (e.g. "127.0.0.1") - * @param addr pointer to which to save the ip address in network order - * @return 1 if cp could be converted to addr, 0 on failure - */ -int -ipaddr_aton(const char *cp, ip_addr_t *addr) -{ - u32_t val; - u8_t base; - char c; - char ch; - unsigned long cutoff; - int cutlim; - u32_t parts[4]; - u32_t *pp = parts; - - c = *cp; - for (;;) { - /* - * Collect number up to ``.''. - * Values are specified as for C: - * 0x=hex, 0=octal, 1-9=decimal. - */ - if (!isdigit(c)) - return (0); - val = 0; - base = 10; - if (c == '0') { - c = *++cp; - if (c == 'x' || c == 'X') { - base = 16; - c = *++cp; - } else - base = 8; - } - - cutoff =(unsigned long)0xffffffff / (unsigned long)base; - cutlim =(unsigned long)0xffffffff % (unsigned long)base; - - for (;;) { - if (isdigit(c)) { - ch = (int)(c - '0'); - - if (val > cutoff || (val == cutoff && ch > cutlim)) - return (0); - - val = (val * base) + (int)(c - '0'); - c = *++cp; - } else if (base == 16 && isxdigit(c)) { - ch = (int)(c + 10 - (islower(c) ? 'a' : 'A')); - - if (val > cutoff || (val == cutoff && ch > cutlim)) - return (0); - - val = (val << 4) | (int)(c + 10 - (islower(c) ? 'a' : 'A')); - c = *++cp; - } else - break; - } - if (c == '.') { - /* - * Internet format: - * a.b.c.d - * a.b.c (with c treated as 16 bits) - * a.b (with b treated as 24 bits) - */ - if (pp >= parts + 3) { - return (0); - } - *pp++ = val; - c = *++cp; - } else - break; - } - /* - * Check for trailing characters. - */ - if (c != '\0' && !isspace(c)) { - return (0); - } - /* - * Concoct the address according to - * the number of parts specified. - */ - switch (pp - parts + 1) { - - case 0: - return (0); /* initial nondigit */ - - case 1: /* a -- 32 bits */ - break; - - case 2: /* a.b -- 8.24 bits */ - if ((val > 0xffffffUL) || (parts[0] > 0xff)) { - return (0); - } - val |= parts[0] << 24; - break; - - case 3: /* a.b.c -- 8.8.16 bits */ - if ((val > 0xffff) || (parts[0] > 0xff) || (parts[1] > 0xff)) { - return (0); - } - val |= (parts[0] << 24) | (parts[1] << 16); - break; - - case 4: /* a.b.c.d -- 8.8.8.8 bits */ - if ((val > 0xff) || (parts[0] > 0xff) || (parts[1] > 0xff) || (parts[2] > 0xff)) { - return (0); - } - val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); - break; - default: - LWIP_ASSERT("unhandled", 0); - break; - } - if (addr) { - ip4_addr_set_u32(addr, htonl(val)); - } - return (1); -} - -/** - * Convert numeric IP address into decimal dotted ASCII representation. - * returns ptr to static buffer; not reentrant! - * - * @param addr ip address in network order to convert - * @return pointer to a global static (!) buffer that holds the ASCII - * represenation of addr - */ -char * -ipaddr_ntoa(const ip_addr_t *addr) -{ - static char str[16]; - return ipaddr_ntoa_r(addr, str, 16); -} - -/** - * Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used. - * - * @param addr ip address in network order to convert - * @param buf target buffer where the string is stored - * @param buflen length of buf - * @return either pointer to buf which now holds the ASCII - * representation of addr or NULL if buf was too small - */ -char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen) -{ - u32_t s_addr; - char inv[3]; - char *rp; - u8_t *ap; - u8_t rem; - u8_t n; - u8_t i; - int len = 0; - - s_addr = ip4_addr_get_u32(addr); - - rp = buf; - ap = (u8_t *)&s_addr; - for(n = 0; n < 4; n++) { - i = 0; - do { - rem = *ap % (u8_t)10; - *ap /= (u8_t)10; - inv[i++] = '0' + rem; - } while(*ap); - while(i--) { - if (len++ >= buflen) { - return NULL; - } - *rp++ = inv[i]; - } - if (len++ >= buflen) { - return NULL; - } - *rp++ = '.'; - ap++; - } - *--rp = 0; - return buf; -} diff --git a/tools/sdk/lwip/src/core/ipv4/ip_frag.c b/tools/sdk/lwip/src/core/ipv4/ip_frag.c deleted file mode 100644 index b89eeb5872..0000000000 --- a/tools/sdk/lwip/src/core/ipv4/ip_frag.c +++ /dev/null @@ -1,863 +0,0 @@ -/** - * @file - * This is the IPv4 packet segmentation and reassembly implementation. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Jani Monoses - * Simon Goldschmidt - * original reassembly code by Adam Dunkels - * - */ - -#include "lwip/opt.h" -#include "lwip/ip_frag.h" -#include "lwip/def.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/snmp.h" -#include "lwip/stats.h" -#include "lwip/icmp.h" - -#include - -#if IP_REASSEMBLY -/** - * The IP reassembly code currently has the following limitations: - * - IP header options are not supported - * - fragments must not overlap (e.g. due to different routes), - * currently, overlapping or duplicate fragments are thrown away - * if IP_REASS_CHECK_OVERLAP=1 (the default)! - * - * @todo: work with IP header options - */ - -/** Setting this to 0, you can turn off checking the fragments for overlapping - * regions. The code gets a little smaller. Only use this if you know that - * overlapping won't occur on your network! */ -#ifndef IP_REASS_CHECK_OVERLAP -#define IP_REASS_CHECK_OVERLAP 1 -#endif /* IP_REASS_CHECK_OVERLAP */ - -/** Set to 0 to prevent freeing the oldest datagram when the reassembly buffer is - * full (IP_REASS_MAX_PBUFS pbufs are enqueued). The code gets a little smaller. - * Datagrams will be freed by timeout only. Especially useful when MEMP_NUM_REASSDATA - * is set to 1, so one datagram can be reassembled at a time, only. */ -#ifndef IP_REASS_FREE_OLDEST -#define IP_REASS_FREE_OLDEST 1 -#endif /* IP_REASS_FREE_OLDEST */ - -#define IP_REASS_FLAG_LASTFRAG 0x01 - -/** This is a helper struct which holds the starting - * offset and the ending offset of this fragment to - * easily chain the fragments. - * It has the same packing requirements as the IP header, since it replaces - * the IP header in memory in incoming fragments (after copying it) to keep - * track of the various fragments. (-> If the IP header doesn't need packing, - * this struct doesn't need packing, too.) - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_reass_helper { - PACK_STRUCT_FIELD(struct pbuf *next_pbuf); - PACK_STRUCT_FIELD(u16_t start); - PACK_STRUCT_FIELD(u16_t end); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define IP_ADDRESSES_AND_ID_MATCH(iphdrA, iphdrB) \ - (ip_addr_cmp(&(iphdrA)->src, &(iphdrB)->src) && \ - ip_addr_cmp(&(iphdrA)->dest, &(iphdrB)->dest) && \ - IPH_ID(iphdrA) == IPH_ID(iphdrB)) ? 1 : 0 - -/* global variables */ -static struct ip_reassdata *reassdatagrams; -static u16_t ip_reass_pbufcount; - -/* function prototypes */ -static void ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev)ICACHE_FLASH_ATTR; -static int ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev)ICACHE_FLASH_ATTR; - -/** - * Reassembly timer base function - * for both NO_SYS == 0 and 1 (!). - * - * Should be called every 1000 msec (defined by IP_TMR_INTERVAL). - */ -void -ip_reass_tmr(void) -{ - struct ip_reassdata *r, *prev = NULL; - - r = reassdatagrams; - while (r != NULL) { - /* Decrement the timer. Once it reaches 0, - * clean up the incomplete fragment assembly */ - if (r->timer > 0) { - r->timer--; - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer dec %"U16_F"\n",(u16_t)r->timer)); - prev = r; - r = r->next; - } else { - /* reassembly timed out */ - struct ip_reassdata *tmp; - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer timed out\n")); - tmp = r; - /* get the next pointer before freeing */ - r = r->next; - /* free the helper struct and all enqueued pbufs */ - ip_reass_free_complete_datagram(tmp, prev); - } - } -} - -/** - * Free a datagram (struct ip_reassdata) and all its pbufs. - * Updates the total count of enqueued pbufs (ip_reass_pbufcount), - * SNMP counters and sends an ICMP time exceeded packet. - * - * @param ipr datagram to free - * @param prev the previous datagram in the linked list - * @return the number of pbufs freed - */ -static int -ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev) -{ - u16_t pbufs_freed = 0; - u8_t clen; - struct pbuf *p; - struct ip_reass_helper *iprh; - - LWIP_ASSERT("prev != ipr", prev != ipr); - if (prev != NULL) { - LWIP_ASSERT("prev->next == ipr", prev->next == ipr); - } - - snmp_inc_ipreasmfails(); -#if LWIP_ICMP - iprh = (struct ip_reass_helper *)ipr->p->payload; - if (iprh->start == 0) { - /* The first fragment was received, send ICMP time exceeded. */ - /* First, de-queue the first pbuf from r->p. */ - p = ipr->p; - ipr->p = iprh->next_pbuf; - /* Then, copy the original header into it. */ - SMEMCPY(p->payload, &ipr->iphdr, IP_HLEN); - icmp_time_exceeded(p, ICMP_TE_FRAG); - clen = pbuf_clen(p); - LWIP_ASSERT("pbufs_freed + clen <= 0xffff", pbufs_freed + clen <= 0xffff); - pbufs_freed += clen; - pbuf_free(p); - } -#endif /* LWIP_ICMP */ - - /* First, free all received pbufs. The individual pbufs need to be released - separately as they have not yet been chained */ - p = ipr->p; - while (p != NULL) { - struct pbuf *pcur; - iprh = (struct ip_reass_helper *)p->payload; - pcur = p; - /* get the next pointer before freeing */ - p = iprh->next_pbuf; - clen = pbuf_clen(pcur); - LWIP_ASSERT("pbufs_freed + clen <= 0xffff", pbufs_freed + clen <= 0xffff); - pbufs_freed += clen; - pbuf_free(pcur); - } - /* Then, unchain the struct ip_reassdata from the list and free it. */ - ip_reass_dequeue_datagram(ipr, prev); - LWIP_ASSERT("ip_reass_pbufcount >= clen", ip_reass_pbufcount >= pbufs_freed); - ip_reass_pbufcount -= pbufs_freed; - - return pbufs_freed; -} - -#if IP_REASS_FREE_OLDEST -/** - * Free the oldest datagram to make room for enqueueing new fragments. - * The datagram 'fraghdr' belongs to is not freed! - * - * @param fraghdr IP header of the current fragment - * @param pbufs_needed number of pbufs needed to enqueue - * (used for freeing other datagrams if not enough space) - * @return the number of pbufs freed - */ -static int -ip_reass_remove_oldest_datagram(struct ip_hdr *fraghdr, int pbufs_needed) -{ - /* @todo Can't we simply remove the last datagram in the - * linked list behind reassdatagrams? - */ - struct ip_reassdata *r, *oldest, *prev; - int pbufs_freed = 0, pbufs_freed_current; - int other_datagrams; - - /* Free datagrams until being allowed to enqueue 'pbufs_needed' pbufs, - * but don't free the datagram that 'fraghdr' belongs to! */ - do { - oldest = NULL; - prev = NULL; - other_datagrams = 0; - r = reassdatagrams; - while (r != NULL) { - if (!IP_ADDRESSES_AND_ID_MATCH(&r->iphdr, fraghdr)) { - /* Not the same datagram as fraghdr */ - other_datagrams++; - if (oldest == NULL) { - oldest = r; - } else if (r->timer <= oldest->timer) { - /* older than the previous oldest */ - oldest = r; - } - } - if (r->next != NULL) { - prev = r; - } - r = r->next; - } - if (oldest != NULL) { - pbufs_freed_current = ip_reass_free_complete_datagram(oldest, prev); - pbufs_freed += pbufs_freed_current; - } - } while ((pbufs_freed < pbufs_needed) && (other_datagrams > 1)); - return pbufs_freed; -} -#endif /* IP_REASS_FREE_OLDEST */ - -/** - * Enqueues a new fragment into the fragment queue - * @param fraghdr points to the new fragments IP hdr - * @param clen number of pbufs needed to enqueue (used for freeing other datagrams if not enough space) - * @return A pointer to the queue location into which the fragment was enqueued - */ -static struct ip_reassdata* ICACHE_FLASH_ATTR -ip_reass_enqueue_new_datagram(struct ip_hdr *fraghdr, int clen) -{ - struct ip_reassdata* ipr; - /* No matching previous fragment found, allocate a new reassdata struct */ - ipr = (struct ip_reassdata *)memp_malloc(MEMP_REASSDATA); - if (ipr == NULL) { -#if IP_REASS_FREE_OLDEST - if (ip_reass_remove_oldest_datagram(fraghdr, clen) >= clen) { - ipr = (struct ip_reassdata *)memp_malloc(MEMP_REASSDATA); - } - if (ipr == NULL) -#endif /* IP_REASS_FREE_OLDEST */ - { - IPFRAG_STATS_INC(ip_frag.memerr); - LWIP_DEBUGF(IP_REASS_DEBUG,("Failed to alloc reassdata struct\n")); - return NULL; - } - } - os_memset(ipr, 0, sizeof(struct ip_reassdata)); - ipr->timer = IP_REASS_MAXAGE; - - /* enqueue the new structure to the front of the list */ - ipr->next = reassdatagrams; - reassdatagrams = ipr; - /* copy the ip header for later tests and input */ - /* @todo: no ip options supported? */ - SMEMCPY(&(ipr->iphdr), fraghdr, IP_HLEN); - return ipr; -} - -/** - * Dequeues a datagram from the datagram queue. Doesn't deallocate the pbufs. - * @param ipr points to the queue entry to dequeue - */ -static void ICACHE_FLASH_ATTR -ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev) -{ - - /* dequeue the reass struct */ - if (reassdatagrams == ipr) { - /* it was the first in the list */ - reassdatagrams = ipr->next; - } else { - /* it wasn't the first, so it must have a valid 'prev' */ - LWIP_ASSERT("sanity check linked list", prev != NULL); - prev->next = ipr->next; - } - - /* now we can free the ip_reass struct */ - memp_free(MEMP_REASSDATA, ipr); -} - -/** - * Chain a new pbuf into the pbuf list that composes the datagram. The pbuf list - * will grow over time as new pbufs are rx. - * Also checks that the datagram passes basic continuity checks (if the last - * fragment was received at least once). - * @param root_p points to the 'root' pbuf for the current datagram being assembled. - * @param new_p points to the pbuf for the current fragment - * @return 0 if invalid, >0 otherwise - */ -static int ICACHE_FLASH_ATTR -ip_reass_chain_frag_into_datagram_and_validate(struct ip_reassdata *ipr, struct pbuf *new_p) -{ - struct ip_reass_helper *iprh, *iprh_tmp, *iprh_prev=NULL; - struct pbuf *q; - u16_t offset,len; - struct ip_hdr *fraghdr; - int valid = 1; - - /* Extract length and fragment offset from current fragment */ - fraghdr = (struct ip_hdr*)new_p->payload; - len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4; - offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8; - - /* overwrite the fragment's ip header from the pbuf with our helper struct, - * and setup the embedded helper structure. */ - /* make sure the struct ip_reass_helper fits into the IP header */ - LWIP_ASSERT("sizeof(struct ip_reass_helper) <= IP_HLEN", - sizeof(struct ip_reass_helper) <= IP_HLEN); - iprh = (struct ip_reass_helper*)new_p->payload; - iprh->next_pbuf = NULL; - iprh->start = offset; - iprh->end = offset + len; - - /* Iterate through until we either get to the end of the list (append), - * or we find on with a larger offset (insert). */ - for (q = ipr->p; q != NULL;) { - iprh_tmp = (struct ip_reass_helper*)q->payload; - if (iprh->start < iprh_tmp->start) { - /* the new pbuf should be inserted before this */ - iprh->next_pbuf = q; - if (iprh_prev != NULL) { - /* not the fragment with the lowest offset */ -#if IP_REASS_CHECK_OVERLAP - if ((iprh->start < iprh_prev->end) || (iprh->end > iprh_tmp->start)) { - /* fragment overlaps with previous or following, throw away */ - goto freepbuf; - } -#endif /* IP_REASS_CHECK_OVERLAP */ - iprh_prev->next_pbuf = new_p; - } else { - /* fragment with the lowest offset */ - ipr->p = new_p; - } - break; - } else if(iprh->start == iprh_tmp->start) { - /* received the same datagram twice: no need to keep the datagram */ - goto freepbuf; -#if IP_REASS_CHECK_OVERLAP - } else if(iprh->start < iprh_tmp->end) { - /* overlap: no need to keep the new datagram */ - goto freepbuf; -#endif /* IP_REASS_CHECK_OVERLAP */ - } else { - /* Check if the fragments received so far have no wholes. */ - if (iprh_prev != NULL) { - if (iprh_prev->end != iprh_tmp->start) { - /* There is a fragment missing between the current - * and the previous fragment */ - valid = 0; - } - } - } - q = iprh_tmp->next_pbuf; - iprh_prev = iprh_tmp; - } - - /* If q is NULL, then we made it to the end of the list. Determine what to do now */ - if (q == NULL) { - if (iprh_prev != NULL) { - /* this is (for now), the fragment with the highest offset: - * chain it to the last fragment */ -#if IP_REASS_CHECK_OVERLAP - LWIP_ASSERT("check fragments don't overlap", iprh_prev->end <= iprh->start); -#endif /* IP_REASS_CHECK_OVERLAP */ - iprh_prev->next_pbuf = new_p; - if (iprh_prev->end != iprh->start) { - valid = 0; - } - } else { -#if IP_REASS_CHECK_OVERLAP - LWIP_ASSERT("no previous fragment, this must be the first fragment!", - ipr->p == NULL); -#endif /* IP_REASS_CHECK_OVERLAP */ - /* this is the first fragment we ever received for this ip datagram */ - ipr->p = new_p; - } - } - - /* At this point, the validation part begins: */ - /* If we already received the last fragment */ - if ((ipr->flags & IP_REASS_FLAG_LASTFRAG) != 0) { - /* and had no wholes so far */ - if (valid) { - /* then check if the rest of the fragments is here */ - /* Check if the queue starts with the first datagram */ - if (((struct ip_reass_helper*)ipr->p->payload)->start != 0) { - valid = 0; - } else { - /* and check that there are no wholes after this datagram */ - iprh_prev = iprh; - q = iprh->next_pbuf; - while (q != NULL) { - iprh = (struct ip_reass_helper*)q->payload; - if (iprh_prev->end != iprh->start) { - valid = 0; - break; - } - iprh_prev = iprh; - q = iprh->next_pbuf; - } - /* if still valid, all fragments are received - * (because to the MF==0 already arrived */ - if (valid) { - LWIP_ASSERT("sanity check", ipr->p != NULL); - LWIP_ASSERT("sanity check", - ((struct ip_reass_helper*)ipr->p->payload) != iprh); - LWIP_ASSERT("validate_datagram:next_pbuf!=NULL", - iprh->next_pbuf == NULL); - LWIP_ASSERT("validate_datagram:datagram end!=datagram len", - iprh->end == ipr->datagram_len); - } - } - } - /* If valid is 0 here, there are some fragments missing in the middle - * (since MF == 0 has already arrived). Such datagrams simply time out if - * no more fragments are received... */ - return valid; - } - /* If we come here, not all fragments were received, yet! */ - return 0; /* not yet valid! */ -#if IP_REASS_CHECK_OVERLAP -freepbuf: - ip_reass_pbufcount -= pbuf_clen(new_p); - pbuf_free(new_p); - return 0; -#endif /* IP_REASS_CHECK_OVERLAP */ -} - -/** - * Reassembles incoming IP fragments into an IP datagram. - * - * @param p points to a pbuf chain of the fragment - * @return NULL if reassembly is incomplete, ? otherwise - */ -struct pbuf * -ip_reass(struct pbuf *p) -{ - struct pbuf *r; - struct ip_hdr *fraghdr; - struct ip_reassdata *ipr; - struct ip_reass_helper *iprh; - u16_t offset, len; - u8_t clen; - struct ip_reassdata *ipr_prev = NULL; - - IPFRAG_STATS_INC(ip_frag.recv); - snmp_inc_ipreasmreqds(); - - fraghdr = (struct ip_hdr*)p->payload; - - if ((IPH_HL(fraghdr) * 4) != IP_HLEN) { - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: IP options currently not supported!\n")); - IPFRAG_STATS_INC(ip_frag.err); - goto nullreturn; - } - - offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8; - len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4; - - /* Check if we are allowed to enqueue more datagrams. */ - clen = pbuf_clen(p); - if ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS) { -#if IP_REASS_FREE_OLDEST - if (!ip_reass_remove_oldest_datagram(fraghdr, clen) || - ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS)) -#endif /* IP_REASS_FREE_OLDEST */ - { - /* No datagram could be freed and still too many pbufs enqueued */ - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: Overflow condition: pbufct=%d, clen=%d, MAX=%d\n", - ip_reass_pbufcount, clen, IP_REASS_MAX_PBUFS)); - IPFRAG_STATS_INC(ip_frag.memerr); - /* @todo: send ICMP time exceeded here? */ - /* drop this pbuf */ - goto nullreturn; - } - } - - /* Look for the datagram the fragment belongs to in the current datagram queue, - * remembering the previous in the queue for later dequeueing. */ - for (ipr = reassdatagrams; ipr != NULL; ipr = ipr->next) { - /* Check if the incoming fragment matches the one currently present - in the reassembly buffer. If so, we proceed with copying the - fragment into the buffer. */ - if (IP_ADDRESSES_AND_ID_MATCH(&ipr->iphdr, fraghdr)) { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass: matching previous fragment ID=%"X16_F"\n", - ntohs(IPH_ID(fraghdr)))); - IPFRAG_STATS_INC(ip_frag.cachehit); - break; - } - ipr_prev = ipr; - } - - if (ipr == NULL) { - /* Enqueue a new datagram into the datagram queue */ - ipr = ip_reass_enqueue_new_datagram(fraghdr, clen); - /* Bail if unable to enqueue */ - if(ipr == NULL) { - goto nullreturn; - } - } else { - if (((ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) == 0) && - ((ntohs(IPH_OFFSET(&ipr->iphdr)) & IP_OFFMASK) != 0)) { - /* ipr->iphdr is not the header from the first fragment, but fraghdr is - * -> copy fraghdr into ipr->iphdr since we want to have the header - * of the first fragment (for ICMP time exceeded and later, for copying - * all options, if supported)*/ - SMEMCPY(&ipr->iphdr, fraghdr, IP_HLEN); - } - } - /* Track the current number of pbufs current 'in-flight', in order to limit - the number of fragments that may be enqueued at any one time */ - ip_reass_pbufcount += clen; - - /* At this point, we have either created a new entry or pointing - * to an existing one */ - - /* check for 'no more fragments', and update queue entry*/ - if ((IPH_OFFSET(fraghdr) & PP_NTOHS(IP_MF)) == 0) { - ipr->flags |= IP_REASS_FLAG_LASTFRAG; - ipr->datagram_len = offset + len; - LWIP_DEBUGF(IP_REASS_DEBUG, - ("ip_reass: last fragment seen, total len %"S16_F"\n", - ipr->datagram_len)); - } - /* find the right place to insert this pbuf */ - /* @todo: trim pbufs if fragments are overlapping */ - if (ip_reass_chain_frag_into_datagram_and_validate(ipr, p)) { - /* the totally last fragment (flag more fragments = 0) was received at least - * once AND all fragments are received */ - ipr->datagram_len += IP_HLEN; - - /* save the second pbuf before copying the header over the pointer */ - r = ((struct ip_reass_helper*)ipr->p->payload)->next_pbuf; - - /* copy the original ip header back to the first pbuf */ - fraghdr = (struct ip_hdr*)(ipr->p->payload); - SMEMCPY(fraghdr, &ipr->iphdr, IP_HLEN); - IPH_LEN_SET(fraghdr, htons(ipr->datagram_len)); - IPH_OFFSET_SET(fraghdr, 0); - IPH_CHKSUM_SET(fraghdr, 0); - /* @todo: do we need to set calculate the correct checksum? */ - IPH_CHKSUM_SET(fraghdr, inet_chksum(fraghdr, IP_HLEN)); - - p = ipr->p; - - /* chain together the pbufs contained within the reass_data list. */ - while(r != NULL) { - iprh = (struct ip_reass_helper*)r->payload; - - /* hide the ip header for every succeding fragment */ - pbuf_header(r, -IP_HLEN); - pbuf_cat(p, r); - r = iprh->next_pbuf; - } - /* release the sources allocate for the fragment queue entry */ - ip_reass_dequeue_datagram(ipr, ipr_prev); - - /* and adjust the number of pbufs currently queued for reassembly. */ - ip_reass_pbufcount -= pbuf_clen(p); - - /* Return the pbuf chain */ - return p; - } - /* the datagram is not (yet?) reassembled completely */ - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass_pbufcount: %d out\n", ip_reass_pbufcount)); - return NULL; - -nullreturn: - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: nullreturn\n")); - IPFRAG_STATS_INC(ip_frag.drop); - pbuf_free(p); - return NULL; -} -#endif /* IP_REASSEMBLY */ - -#if IP_FRAG -#if IP_FRAG_USES_STATIC_BUF -static u8_t buf[LWIP_MEM_ALIGN_SIZE(IP_FRAG_MAX_MTU + MEM_ALIGNMENT - 1)]; -#else /* IP_FRAG_USES_STATIC_BUF */ - -#if !LWIP_NETIF_TX_SINGLE_PBUF -/** Allocate a new struct pbuf_custom_ref */ -static struct pbuf_custom_ref* ICACHE_FLASH_ATTR -ip_frag_alloc_pbuf_custom_ref(void) -{ - return (struct pbuf_custom_ref*)memp_malloc(MEMP_FRAG_PBUF); -} - -/** Free a struct pbuf_custom_ref */ -static void ICACHE_FLASH_ATTR -ip_frag_free_pbuf_custom_ref(struct pbuf_custom_ref* p) -{ - LWIP_ASSERT("p != NULL", p != NULL); - memp_free(MEMP_FRAG_PBUF, p); -} - -/** Free-callback function to free a 'struct pbuf_custom_ref', called by - * pbuf_free. */ -static void ICACHE_FLASH_ATTR -ipfrag_free_pbuf_custom(struct pbuf *p) -{ - struct pbuf_custom_ref *pcr = (struct pbuf_custom_ref*)p; - LWIP_ASSERT("pcr != NULL", pcr != NULL); - LWIP_ASSERT("pcr == p", (void*)pcr == (void*)p); - if (pcr->original != NULL) { - pbuf_free(pcr->original); - } - ip_frag_free_pbuf_custom_ref(pcr); -} -#endif /* !LWIP_NETIF_TX_SINGLE_PBUF */ -#endif /* IP_FRAG_USES_STATIC_BUF */ - -/** - * Fragment an IP datagram if too large for the netif. - * - * Chop the datagram in MTU sized chunks and send them in order - * by using a fixed size static memory buffer (PBUF_REF) or - * point PBUF_REFs into p (depending on IP_FRAG_USES_STATIC_BUF). - * - * @param p ip packet to send - * @param netif the netif on which to send - * @param dest destination ip address to which to send - * - * @return ERR_OK if sent successfully, err_t otherwise - */ -err_t -ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest) -{ - struct pbuf *rambuf; -#if IP_FRAG_USES_STATIC_BUF - struct pbuf *header; -#else -#if !LWIP_NETIF_TX_SINGLE_PBUF - struct pbuf *newpbuf; -#endif - struct ip_hdr *original_iphdr; -#endif - struct ip_hdr *iphdr; - u16_t nfb; - u16_t left, cop; - u16_t mtu = netif->mtu; - u16_t ofo, omf; - u16_t last; - u16_t poff = IP_HLEN; - u16_t tmp; -#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF - u16_t newpbuflen = 0; - u16_t left_to_copy; -#endif - - /* Get a RAM based MTU sized pbuf */ -#if IP_FRAG_USES_STATIC_BUF - /* When using a static buffer, we use a PBUF_REF, which we will - * use to reference the packet (without link header). - * Layer and length is irrelevant. - */ - rambuf = pbuf_alloc(PBUF_LINK, 0, PBUF_REF); - if (rambuf == NULL) { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc(PBUF_LINK, 0, PBUF_REF) failed\n")); - return ERR_MEM; - } - rambuf->tot_len = rambuf->len = mtu; - rambuf->payload = LWIP_MEM_ALIGN((void *)buf); - - /* Copy the IP header in it */ - iphdr = (struct ip_hdr *)rambuf->payload; - SMEMCPY(iphdr, p->payload, IP_HLEN); -#else /* IP_FRAG_USES_STATIC_BUF */ - original_iphdr = (struct ip_hdr *)p->payload; - iphdr = original_iphdr; -#endif /* IP_FRAG_USES_STATIC_BUF */ - - /* Save original offset */ - tmp = ntohs(IPH_OFFSET(iphdr)); - ofo = tmp & IP_OFFMASK; - omf = tmp & IP_MF; - - left = p->tot_len - IP_HLEN; - - nfb = (mtu - IP_HLEN) / 8; - - while (left) { - last = (left <= mtu - IP_HLEN); - - /* Set new offset and MF flag */ - tmp = omf | (IP_OFFMASK & (ofo)); - if (!last) { - tmp = tmp | IP_MF; - } - - /* Fill this fragment */ - cop = last ? left : nfb * 8; - -#if IP_FRAG_USES_STATIC_BUF - poff += pbuf_copy_partial(p, (u8_t*)iphdr + IP_HLEN, cop, poff); -#else /* IP_FRAG_USES_STATIC_BUF */ -#if LWIP_NETIF_TX_SINGLE_PBUF - rambuf = pbuf_alloc(PBUF_IP, cop, PBUF_RAM); - if (rambuf == NULL) { - return ERR_MEM; - } - LWIP_ASSERT("this needs a pbuf in one piece!", - (rambuf->len == rambuf->tot_len) && (rambuf->next == NULL)); - poff += pbuf_copy_partial(p, rambuf->payload, cop, poff); - /* make room for the IP header */ - if(pbuf_header(rambuf, IP_HLEN)) { - pbuf_free(rambuf); - return ERR_MEM; - } - /* fill in the IP header */ - SMEMCPY(rambuf->payload, original_iphdr, IP_HLEN); - iphdr = rambuf->payload; -#else /* LWIP_NETIF_TX_SINGLE_PBUF */ - /* When not using a static buffer, create a chain of pbufs. - * The first will be a PBUF_RAM holding the link and IP header. - * The rest will be PBUF_REFs mirroring the pbuf chain to be fragged, - * but limited to the size of an mtu. - */ - rambuf = pbuf_alloc(PBUF_LINK, IP_HLEN, PBUF_RAM); - if (rambuf == NULL) { - return ERR_MEM; - } - LWIP_ASSERT("this needs a pbuf in one piece!", - (p->len >= (IP_HLEN))); - SMEMCPY(rambuf->payload, original_iphdr, IP_HLEN); - iphdr = (struct ip_hdr *)rambuf->payload; - - /* Can just adjust p directly for needed offset. */ - p->payload = (u8_t *)p->payload + poff; - p->len -= poff; - - left_to_copy = cop; - while (left_to_copy) { - struct pbuf_custom_ref *pcr; - newpbuflen = (left_to_copy < p->len) ? left_to_copy : p->len; - /* Is this pbuf already empty? */ - if (!newpbuflen) { - p = p->next; - continue; - } - pcr = ip_frag_alloc_pbuf_custom_ref(); - if (pcr == NULL) { - pbuf_free(rambuf); - return ERR_MEM; - } - /* Mirror this pbuf, although we might not need all of it. */ - newpbuf = pbuf_alloced_custom(PBUF_RAW, newpbuflen, PBUF_REF, &pcr->pc, p->payload, newpbuflen); - if (newpbuf == NULL) { - ip_frag_free_pbuf_custom_ref(pcr); - pbuf_free(rambuf); - return ERR_MEM; - } - pbuf_ref(p); - pcr->original = p; - pcr->pc.custom_free_function = ipfrag_free_pbuf_custom; - - /* Add it to end of rambuf's chain, but using pbuf_cat, not pbuf_chain - * so that it is removed when pbuf_dechain is later called on rambuf. - */ - pbuf_cat(rambuf, newpbuf); - left_to_copy -= newpbuflen; - if (left_to_copy) { - p = p->next; - } - } - poff = newpbuflen; -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ -#endif /* IP_FRAG_USES_STATIC_BUF */ - - /* Correct header */ - IPH_OFFSET_SET(iphdr, htons(tmp)); - IPH_LEN_SET(iphdr, htons(cop + IP_HLEN)); - IPH_CHKSUM_SET(iphdr, 0); - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN)); - -#if IP_FRAG_USES_STATIC_BUF - if (last) { - pbuf_realloc(rambuf, left + IP_HLEN); - } - - /* This part is ugly: we alloc a RAM based pbuf for - * the link level header for each chunk and then - * free it.A PBUF_ROM style pbuf for which pbuf_header - * worked would make things simpler. - */ - header = pbuf_alloc(PBUF_LINK, 0, PBUF_RAM); - if (header != NULL) { - pbuf_chain(header, rambuf); - netif->output(netif, header, dest); - IPFRAG_STATS_INC(ip_frag.xmit); - snmp_inc_ipfragcreates(); - pbuf_free(header); - } else { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc() for header failed\n")); - pbuf_free(rambuf); - return ERR_MEM; - } -#else /* IP_FRAG_USES_STATIC_BUF */ - /* No need for separate header pbuf - we allowed room for it in rambuf - * when allocated. - */ - netif->output(netif, rambuf, dest); - IPFRAG_STATS_INC(ip_frag.xmit); - - /* Unfortunately we can't reuse rambuf - the hardware may still be - * using the buffer. Instead we free it (and the ensuing chain) and - * recreate it next time round the loop. If we're lucky the hardware - * will have already sent the packet, the free will really free, and - * there will be zero memory penalty. - */ - - pbuf_free(rambuf); -#endif /* IP_FRAG_USES_STATIC_BUF */ - left -= cop; - ofo += nfb; - } -#if IP_FRAG_USES_STATIC_BUF - pbuf_free(rambuf); -#endif /* IP_FRAG_USES_STATIC_BUF */ - snmp_inc_ipfragoks(); - return ERR_OK; -} -#endif /* IP_FRAG */ diff --git a/tools/sdk/lwip/src/core/mdns.c b/tools/sdk/lwip/src/core/mdns.c deleted file mode 100644 index 604d96f921..0000000000 --- a/tools/sdk/lwip/src/core/mdns.c +++ /dev/null @@ -1,1137 +0,0 @@ -/** - * lwip MDNS resolver file. - * - * Created on: Jul 29, 2010 - * Author: Daniel Toma - * - - * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - - * This file implements a MDNS host name and PUCK service registration. - - *----------------------------------------------------------------------------- - * Includes - *----------------------------------------------------------------------------*/ -#include "lwip/opt.h" -#if LWIP_MDNS /* don't build if not configured for use in lwipopts.h */ -#include "lwip/mdns.h" -#include "lwip/puck_def.h" -#include "lwip/udp.h" -#include "lwip/mem.h" -#include "lwip/igmp.h" -#include "osapi.h" -#include "os_type.h" -#include "user_interface.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/** DNS server IP address */ -#ifndef DNS_MULTICAST_ADDRESS -#define DNS_MULTICAST_ADDRESS ipaddr_addr("224.0.0.251") /* resolver1.opendns.com */ -#endif - -/** DNS server IP address */ -#ifndef MDNS_LOCAL -#define MDNS_LOCAL "local" /* resolver1.opendns.com */ -#endif - -/** DNS server port address */ -#ifndef DNS_MDNS_PORT -#define DNS_MDNS_PORT 5353 -#endif - -/** DNS maximum number of retries when asking for a name, before "timeout". */ -#ifndef DNS_MAX_RETRIES -#define DNS_MAX_RETRIES 4 -#endif - -/** DNS resource record max. TTL (one week as default) */ -#ifndef DNS_MAX_TTL -#define DNS_MAX_TTL 604800 -#endif - -/* DNS protocol flags */ -#define DNS_FLAG1_RESPONSE 0x84 -#define DNS_FLAG1_OPCODE_STATUS 0x10 -#define DNS_FLAG1_OPCODE_INVERSE 0x08 -#define DNS_FLAG1_OPCODE_STANDARD 0x00 -#define DNS_FLAG1_AUTHORATIVE 0x04 -#define DNS_FLAG1_TRUNC 0x02 -#define DNS_FLAG1_RD 0x01 -#define DNS_FLAG2_RA 0x80 -#define DNS_FLAG2_ERR_MASK 0x0f -#define DNS_FLAG2_ERR_NONE 0x00 -#define DNS_FLAG2_ERR_NAME 0x03 - -/* DNS protocol states */ -#define DNS_STATE_UNUSED 0 -#define DNS_STATE_NEW 1 -#define DNS_STATE_ASKING 2 -#define DNS_STATE_DONE 3 - -/* MDNS registration type */ -#define MDNS_HOSTNAME_REG 0 -#define MDNS_SERVICE_REG 1 - -/* MDNS registration type */ -#define MDNS_REG_ANSWER 1 -#define MDNS_SD_ANSWER 2 -#define MDNS_SERVICE_REG_ANSWER 3 - -/* MDNS registration time */ -#define MDNS_HOST_TIME 120 -#define MDNS_SERVICE_TIME 3600 - -/** MDNS name length with "." at the beginning and end of name*/ -#ifndef MDNS_LENGTH_ADD -#define MDNS_LENGTH_ADD 2 -#endif - -#ifdef MDNS_MAX_NAME_LENGTH -#undef MDNS_MAX_NAME_LENGTH -#endif -#define MDNS_MAX_NAME_LENGTH (256) - -PACK_STRUCT_BEGIN -/** DNS message header */ -struct mdns_hdr { - PACK_STRUCT_FIELD(u16_t id); - PACK_STRUCT_FIELD(u8_t flags1); - PACK_STRUCT_FIELD(u8_t flags2); - PACK_STRUCT_FIELD(u16_t numquestions); - PACK_STRUCT_FIELD(u16_t numanswers); - PACK_STRUCT_FIELD(u16_t numauthrr); - PACK_STRUCT_FIELD(u16_t numextrarr); -}PACK_STRUCT_STRUCT; -PACK_STRUCT_END - -#define SIZEOF_DNS_HDR 12 - -PACK_STRUCT_BEGIN -/** MDNS query message structure */ -struct mdns_query { - /* MDNS query record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */PACK_STRUCT_FIELD(u16_t type); - PACK_STRUCT_FIELD(u16_t class); -}PACK_STRUCT_STRUCT; -PACK_STRUCT_END - -#define SIZEOF_DNS_QUERY 4 - -PACK_STRUCT_BEGIN -/** MDNS answer message structure */ -struct mdns_answer { - /* MDNS answer record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */PACK_STRUCT_FIELD(u16_t type); - PACK_STRUCT_FIELD(u16_t class); - PACK_STRUCT_FIELD(u32_t ttl); - PACK_STRUCT_FIELD(u16_t len); -}PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#define SIZEOF_DNS_ANSWER 10 - -PACK_STRUCT_BEGIN -/** MDNS answer message structure */ -struct mdns_auth { - PACK_STRUCT_FIELD(u32_t src); -}PACK_STRUCT_STRUCT; -PACK_STRUCT_END - -#define SIZEOF_MDNS_AUTH 4 -PACK_STRUCT_BEGIN -/** MDNS service registration message structure */ -struct mdns_service { - PACK_STRUCT_FIELD(u16_t prior); - PACK_STRUCT_FIELD(u16_t weight); - PACK_STRUCT_FIELD(u16_t port); -}PACK_STRUCT_STRUCT; -PACK_STRUCT_END - -#define SIZEOF_MDNS_SERVICE 6 - -uint16 PUCK_PORT ; -os_timer_t mdns_timer; -/* forward declarations */ -static void mdns_recv(void *s, struct udp_pcb *pcb, struct pbuf *p, - struct ip_addr *addr, u16_t port); - -/*----------------------------------------------------------------------------- - * Globales - *----------------------------------------------------------------------------*/ - -/* MDNS variables */ -static char host_name[MDNS_NAME_LENGTH]; -static char service_name[MDNS_NAME_LENGTH]; -static char server_name[MDNS_NAME_LENGTH]; -//static char puck_datasheet[PUCK_DATASHEET_SIZE]; -static struct udp_pcb *mdns_pcb = NULL; -static struct mdns_info * ms_info = NULL; -static struct ip_addr multicast_addr; -static struct ip_addr host_addr; -static uint8 register_flag = 0; -static uint8 mdns_flag = 0; -//#if (DNS_USES_STATIC_BUF == 1) -static u8_t mdns_payload[DNS_MSG_SIZE]; -//#endif /* (MDNS_USES_STATIC_BUF == 1) */ -/* - * Function to set the UDP pcb used to send the mDNS packages - */ -void ICACHE_FLASH_ATTR -getPcb(struct udp_pcb *pcb) { - mdns_pcb = pcb; -} - -#if DNS_DOES_NAME_CHECK -/** - * Compare the "dotted" name "query" with the encoded name "response" - * to make sure an answer from the DNS server matches the current mdns_table - * entry (otherwise, answers might arrive late for hostname not on the list - * any more). - * - * @param query hostname (not encoded) from the mdns_table - * @param response encoded hostname in the DNS response - * @return 0: names equal; 1: names differ - */ -static u8_t ICACHE_FLASH_ATTR -mdns_compare_name(unsigned char *query, unsigned char *response) { - unsigned char n; - - do { - n = *response++; - /** @see RFC 1035 - 4.1.4. Message compression */ - if ((n & 0xc0) == 0xc0) { - /* Compressed name */ - break; - } else { - /* Not compressed name */ - while (n > 0) { - if ((*query) != (*response)) { - return 1; - } - ++response; - ++query; - --n; - }; - ++query; - } - } while (*response != 0); - - return 0; -} -#endif /* DNS_DOES_NAME_CHECK */ -/** - * Send a mDNS answer packet. - * - * @param type of answer hostname and service registration or service - * @param name to query - * @param id transaction ID in the DNS query packet - * @return ERR_OK if packet is sent; an err_t indicating the problem otherwise - */ -static err_t ICACHE_FLASH_ATTR -mdns_answer(u16_t type, const char* name, u8_t id) { - err_t err; - struct mdns_hdr *hdr; - struct mdns_answer ans; - struct mdns_auth auth; - struct mdns_service serv; - struct pbuf *p ,*p_sta; - char *query, *nptr; - const char *pHostname; - struct netif * sta_netif = NULL; - struct netif * ap_netif = NULL; - static char tmpBuf[PUCK_DATASHEET_SIZE + PUCK_SERVICE_LENGTH]; - u8_t n; - u16_t length = 0; - /* if here, we have either a new query or a retry on a previous query to process */ - p = pbuf_alloc(PBUF_TRANSPORT, - SIZEOF_DNS_HDR + MDNS_MAX_NAME_LENGTH * 2 + SIZEOF_DNS_QUERY, PBUF_RAM); - if (p != NULL) { - LWIP_ASSERT("pbuf must be in one piece", p->next == NULL); - /* fill dns header */ - hdr = (struct mdns_hdr*) p->payload; - os_memset(hdr, 0, SIZEOF_DNS_HDR); - hdr->id = htons(id); - hdr->flags1 = DNS_FLAG1_RESPONSE; - - if (type == MDNS_SD_ANSWER) { - pHostname = DNS_SD_SERVICE; - hdr->numanswers = htons(1); - } else if (type == MDNS_SERVICE_REG_ANSWER) { - pHostname = PUCK_SERVICE; - hdr->numanswers = htons(type); - } else { - pHostname = name; - hdr->numanswers = htons(type); - } - query = (char*) hdr + SIZEOF_DNS_HDR; - --pHostname; - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - /* fill dns query */ - - if (type == MDNS_REG_ANSWER) { - - ans.type = htons(DNS_RRTYPE_A); - ans.class = htons(DNS_RRCLASS_IN); - ans.ttl = htonl(MDNS_SERVICE_TIME); - ans.len = htons(DNS_IP_ADDR_LEN); - length = DNS_IP_ADDR_LEN; - - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - /* set the local IP address */ - auth.src = host_addr.addr; - MEMCPY( query, &auth, SIZEOF_MDNS_AUTH); - } - if (type == MDNS_SD_ANSWER) { - - ans.type = htons(DNS_RRTYPE_PTR); - ans.class = htons(DNS_RRCLASS_IN); - ans.ttl = htonl(300); - ans.len = htons(os_strlen(PUCK_SERVICE) + 1 +1 ); - length = 0; - - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - pHostname = PUCK_SERVICE; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - } - - if (type == MDNS_SERVICE_REG_ANSWER) { - - ans.type = htons(DNS_RRTYPE_PTR); - ans.class = htons(DNS_RRCLASS_IN); - ans.ttl = htonl(MDNS_SERVICE_TIME); - os_strcpy(tmpBuf, name); - os_strcat(tmpBuf, "."); - os_strcat(tmpBuf, PUCK_SERVICE); - - length = os_strlen(tmpBuf) + MDNS_LENGTH_ADD; - ans.len = htons(length); - length = 0; - - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - pHostname = tmpBuf; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - - /* Service query*/ - pHostname = name; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - - /* Add to the service name the service local - * pointing to the beginning of the mDNS message*/ - *query++ = DNS_OFFSET_FLAG; - *query++ = DNS_DEFAULT_OFFSET; - - /* fill the query */ - - ans.type = htons(DNS_RRTYPE_SRV); - ans.class = htons(DNS_RRCLASS_FLUSH_IN); - ans.ttl = htonl(MDNS_SERVICE_TIME); - os_strcpy(tmpBuf, host_name); - os_strcat(tmpBuf, "."); - os_strcat(tmpBuf, MDNS_LOCAL); - length = os_strlen(tmpBuf) + MDNS_LENGTH_ADD; - ans.len = htons(SIZEOF_MDNS_SERVICE + length); - length = 0; - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - /* fill the service properties */ - - serv.prior = htons(0); - serv.weight = htons(0); - serv.port = htons(PUCK_PORT); - MEMCPY( query, &serv, SIZEOF_MDNS_SERVICE); - /* resize the query */ - query = query + SIZEOF_MDNS_SERVICE; - - pHostname = tmpBuf; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - - /* TXT answer */ - pHostname = name; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - - /* Add to the service name the service local - * pointing to the beginning of the mDNS message*/ - *query++ = DNS_OFFSET_FLAG; - *query++ = DNS_DEFAULT_OFFSET; - - /* fill the answer */ - ans.type = htons(DNS_RRTYPE_TXT); - ans.class = htons(DNS_RRCLASS_IN); - ans.ttl = htonl(MDNS_SERVICE_TIME); - length = sizeof(SERVICE_DESCRIPTION); - ans.len = htons(length); - length = 0; - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - pHostname = SERVICE_DESCRIPTION; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - } - /* resize pbuf to the exact dns query */ - pbuf_realloc(p, (query + length) - ((char*) (p->payload))); - - /* send dns packet */ - /*add by tzx for AP + STA MDNS begin------*/ - sta_netif = (struct netif *)eagle_lwip_getif(0x00); - ap_netif = (struct netif *)eagle_lwip_getif(0x01); - if(wifi_get_opmode() == 0x03 && wifi_get_broadcast_if() == 0x03 &&\ - sta_netif != NULL && ap_netif != NULL) { - if(netif_is_up(sta_netif) && netif_is_up(ap_netif)) { - - p_sta = pbuf_alloc(PBUF_TRANSPORT, - SIZEOF_DNS_HDR + MDNS_MAX_NAME_LENGTH * 2 + SIZEOF_DNS_QUERY, PBUF_RAM); - if (pbuf_copy (p_sta,p) != ERR_OK) { - os_printf("mdns_answer copying to new pbuf failed\n"); - return -1; - } - netif_set_default(sta_netif); - err = udp_sendto(mdns_pcb, p_sta, &multicast_addr, DNS_MDNS_PORT); - pbuf_free(p_sta); - netif_set_default(ap_netif); - } - } - /*add by tzx for AP + STA MDNS end------*/ - err = udp_sendto(mdns_pcb, p, &multicast_addr, DNS_MDNS_PORT); - /* free pbuf */ - pbuf_free(p); - } else { - err = ERR_MEM; - } - - return err; -} - -/** - * Send a mDNS service answer packet. - * - * @param name service name to query - * @param id transaction ID in the DNS query packet - * @return ERR_OK if packet is sent; an err_t indicating the problem otherwise - */ -static err_t ICACHE_FLASH_ATTR -mdns_send_service(struct mdns_info *info, u8_t id) { - err_t err; - struct mdns_hdr *hdr; - struct mdns_answer ans; - struct mdns_service serv; - struct mdns_auth auth; - struct pbuf *p ,*p_sta; - char *query, *nptr; - const char *pHostname; - char *device_info; - const char *name = info->host_name; - u8_t n; - u8_t i = 0; - u16_t length = 0; - u8_t addr1 = 12, addr2 = 12; - struct netif * sta_netif = NULL; - struct netif * ap_netif = NULL; - static char tmpBuf[PUCK_DATASHEET_SIZE + PUCK_SERVICE_LENGTH]; - /* if here, we have either a new query or a retry on a previous query to process */ - p = pbuf_alloc(PBUF_TRANSPORT, - SIZEOF_DNS_HDR + MDNS_MAX_NAME_LENGTH * 2 + SIZEOF_DNS_QUERY, PBUF_RAM); - if (p != NULL) { - LWIP_ASSERT("pbuf must be in one piece", p->next == NULL); - /* fill dns header */ - hdr = (struct mdns_hdr*) p->payload; - os_memset(hdr, 0, SIZEOF_DNS_HDR); - hdr->id = htons(id); - hdr->flags1 = DNS_FLAG1_RESPONSE; - hdr->numanswers = htons(4); - query = (char*) hdr + SIZEOF_DNS_HDR; - os_strcpy(tmpBuf, PUCK_SERVICE); - - pHostname = tmpBuf; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - ++addr1; - ++addr2; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++addr1; - ++addr2; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - length = sizeof(MDNS_LOCAL); - addr1 -= length; - length = os_strlen(PUCK_SERVICE) + 1; - addr2 -= length; - - ans.type = htons(DNS_RRTYPE_PTR); - ans.class = htons(DNS_RRCLASS_IN); - ans.ttl = htonl(300); - os_strcpy(tmpBuf, name); - length = os_strlen(tmpBuf) + MDNS_LENGTH_ADD + 1; - ans.len = htons(length); - length = 0; - - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - pHostname = tmpBuf; - --pHostname; - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = DNS_OFFSET_FLAG; - *query++ = DNS_DEFAULT_OFFSET; - pHostname = name; - --pHostname; - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - //*query++ = '\0'; - *query++ = DNS_OFFSET_FLAG; - *query++ = DNS_DEFAULT_OFFSET; - - /* fill the answer */ - ans.type = htons(DNS_RRTYPE_TXT); - ans.class = htons(DNS_RRCLASS_FLUSH_IN); - ans.ttl = htonl(300); -// length = os_strlen(TXT_DATA) + MDNS_LENGTH_ADD + 1; - device_info = (char *)os_zalloc(50); - ets_sprintf(device_info,"vendor = %s","Espressif"); - for(i = 0; i < 10 &&(info->txt_data[i] != NULL);i++) { - length += os_strlen(info->txt_data[i]); - length++; - } - length += os_strlen(device_info)+ 1 ; - ans.len = htons(length); - length = 0; - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - query = query + SIZEOF_DNS_ANSWER; - pHostname = device_info; - --pHostname; - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - i = 0; - while(info->txt_data[i] != NULL && i < 10) { - pHostname = info->txt_data[i]; - --pHostname; - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - i++; - } -// *query++ = '\0'; - os_free(device_info); - os_strcpy(tmpBuf, name); - pHostname = tmpBuf; - --pHostname; - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - - *query++ = DNS_OFFSET_FLAG; - *query++ = DNS_DEFAULT_OFFSET; - - ans.type = htons(DNS_RRTYPE_SRV); - ans.class = htons(DNS_RRCLASS_FLUSH_IN); - ans.ttl = htonl(300); - os_strcpy(tmpBuf,service_name); - os_strcat(tmpBuf, "."); - os_strcat(tmpBuf, MDNS_LOCAL); - length = os_strlen(tmpBuf) + MDNS_LENGTH_ADD; - ans.len = htons(SIZEOF_MDNS_SERVICE + length); - length = 0; - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - serv.prior = htons(0); - serv.weight = htons(0); - serv.port = htons(PUCK_PORT); - MEMCPY( query, &serv, SIZEOF_MDNS_SERVICE); - /* resize the query */ - query = query + SIZEOF_MDNS_SERVICE; - - pHostname = tmpBuf; - --pHostname; - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - /* set the name of the authority field. - * The same name as the Query using the offset address*/ - os_strcpy(tmpBuf,service_name); - os_strcat(tmpBuf, "."); - os_strcat(tmpBuf, MDNS_LOCAL); - pHostname = tmpBuf; - --pHostname; - do { - ++pHostname; - nptr = query; - ++query; - for (n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while (*pHostname != 0); - *query++ = '\0'; - /* set the name of the authority field. - * The same name as the Query using the offset address*/ - //*query++ = DNS_OFFSET_FLAG; - //*query++ = DNS_DEFAULT_OFFSET; - ans.type = htons(DNS_RRTYPE_A); - ans.class = htons(DNS_RRCLASS_FLUSH_IN); - ans.ttl = htonl(300); - ans.len = htons(DNS_IP_ADDR_LEN); - - MEMCPY( query, &ans, SIZEOF_DNS_ANSWER); - - /* resize the query */ - query = query + SIZEOF_DNS_ANSWER; - - /* fill the payload of the mDNS message */ - /* set the local IP address */ - auth.src = host_addr.addr; //ipAddr; - MEMCPY( query, &auth, SIZEOF_MDNS_AUTH); - /* resize the query */ - query = query + SIZEOF_MDNS_AUTH; - - /* set the name of the authority field. - * The same name as the Query using the offset address*/ - - /* resize pbuf to the exact dns query */ - pbuf_realloc(p, (query) - ((char*) (p->payload))); - /* send dns packet */ - sta_netif = (struct netif *)eagle_lwip_getif(0x00); - ap_netif = (struct netif *)eagle_lwip_getif(0x01); - if(wifi_get_opmode() == 0x03 && wifi_get_broadcast_if() == 0x03 &&\ - sta_netif != NULL && ap_netif != NULL) { - if(netif_is_up(sta_netif) && netif_is_up(ap_netif)) { - - p_sta = pbuf_alloc(PBUF_TRANSPORT, - SIZEOF_DNS_HDR + MDNS_MAX_NAME_LENGTH * 2 + SIZEOF_DNS_QUERY, PBUF_RAM); - if (pbuf_copy (p_sta,p) != ERR_OK) { - os_printf("mdns_send_service copying to new pbuf failed\n"); - return -1; - } - netif_set_default(sta_netif); - err = udp_sendto(mdns_pcb, p_sta, &multicast_addr, DNS_MDNS_PORT); - pbuf_free(p_sta); - netif_set_default(ap_netif); - } - } - err = udp_sendto(mdns_pcb, p, &multicast_addr, DNS_MDNS_PORT); - - /* free pbuf */ - pbuf_free(p); - } else { - os_printf("ERR_MEM \n"); - err = ERR_MEM; - } - - return err; -} - -/** - * Receive input function for DNS response packets arriving for the dns UDP pcb. - * - * @params see udp.h - */ -static void ICACHE_FLASH_ATTR -mdns_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, - u16_t port) { - u8_t i; - struct mdns_hdr *hdr; - u8_t nquestions; - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); - struct mdns_info *info = (struct mdns_info *)arg; - /* is the dns message too big ? */ - if (p->tot_len > DNS_MSG_SIZE) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too big\n")); - /* free pbuf and return */ - goto memerr1; - } - - /* is the dns message big enough ? */ - if (p->tot_len < (SIZEOF_DNS_HDR + SIZEOF_DNS_QUERY + SIZEOF_DNS_ANSWER)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too small\n")); - /* free pbuf and return */ - goto memerr1; - } - /* copy dns payload inside static buffer for processing */ - if (pbuf_copy_partial(p, mdns_payload, p->tot_len, 0) == p->tot_len) { - /* The ID in the DNS header should be our entry into the name table. */ - hdr = (struct mdns_hdr*) mdns_payload; - - i = htons(hdr->id); - if (i < DNS_TABLE_SIZE) { - - nquestions = htons(hdr->numquestions); - //nanswers = htons(hdr->numanswers); - /* if we have a question send an answer if necessary */ - if (nquestions > 0) { - /* MDNS_DS_DOES_NAME_CHECK */ - /* Check if the name in the "question" part match with the name of the MDNS DS service. */ - if (mdns_compare_name((unsigned char *) DNS_SD_SERVICE, - (unsigned char *) mdns_payload + SIZEOF_DNS_HDR) == 0) { - /* respond with the puck service*/ - mdns_answer(MDNS_SD_ANSWER, PUCK_SERVICE, 0); - } else if (mdns_compare_name((unsigned char *) PUCK_SERVICE, - (unsigned char *) mdns_payload + SIZEOF_DNS_HDR) == 0) { - /* respond with the puck service*/ - mdns_send_service(info, 0); - } else - goto memerr2; - } - } - } - goto memerr2; - memerr2: - os_memset(mdns_payload , 0 ,DNS_MSG_SIZE); - memerr1: - /* free pbuf */ - pbuf_free(p); - return; -} - -/** - * close the UDP pcb . - */ -void ICACHE_FLASH_ATTR -mdns_close(void) -{ - uint8 text_index = 0; - if (mdns_pcb != NULL && ms_info != NULL) { - udp_remove(mdns_pcb); - for(text_index = 0;text_index < 10;text_index++) { - if(ms_info->txt_data[text_index] != NULL) { - os_free(ms_info->txt_data[text_index]); - ms_info->txt_data[text_index] = NULL; - } - } - if (ms_info->host_name != NULL) { - os_free(ms_info->host_name); - ms_info->host_name = NULL; - } - if (ms_info->server_name != NULL) { - os_free(ms_info->server_name); - ms_info->server_name = NULL; - } - os_free(ms_info); - mdns_pcb = NULL; - ms_info = NULL; - } - -} - -void ICACHE_FLASH_ATTR -mdns_set_name(const char *name) -{ - //strcpy(host_name, name); - os_strcpy(service_name, name); -} - -void ICACHE_FLASH_ATTR -mdns_enable(void) -{ - if(mdns_flag == 0) { - udp_recv(mdns_pcb, mdns_recv, NULL); - } -} - -void ICACHE_FLASH_ATTR -mdns_disable(void) -{ - if (mdns_flag == 1) { - udp_recv(mdns_pcb, NULL, NULL); - } -} - -/** - * close the UDP pcb . - */ -char* ICACHE_FLASH_ATTR -mdns_get_hostname(void) { - //strcpy(host_name, name); - char *name = host_name; - if (host_name[0] != 0 ) { - return name; - } else { - return ("Espressif"); - } -} - -void ICACHE_FLASH_ATTR -mdns_set_hostname(char *name) { - if (name == NULL) { - os_strncpy(host_name, "Espressif", os_strlen("Espressif")+3); - return; - } - if (os_strlen(name) + 3 <= MDNS_NAME_LENGTH ){ - os_strncpy(host_name, name, os_strlen(name) ); -// os_memset(host_name + os_strlen(host_name) ,0x00,3); - } else { - os_strncpy(host_name, name, MDNS_NAME_LENGTH); - } -} - -void ICACHE_FLASH_ATTR -mdns_set_servername(const char *name) { - if (name == NULL) { - PUCK_SERVICE = "_Espressif._tcp._local"; - }else { - os_sprintf(server_name ,"_%s._tcp.local",name); - PUCK_SERVICE = server_name; - } -} - -char* ICACHE_FLASH_ATTR -mdns_get_servername(void) { - char *name = PUCK_SERVICE; - if (name == NULL) { - PUCK_SERVICE = "_Espressif._tcp._local"; - } - return name; -} - -void ICACHE_FLASH_ATTR -mdns_server_unregister(void) { - struct ip_addr ap_host_addr; - struct ip_info ipconfig; - if(register_flag == 1){ - if (igmp_leavegroup(&host_addr, &multicast_addr) != ERR_OK) { - os_printf("sta udp_leave_multigrup failed!\n"); - return; - }; - if(wifi_get_opmode() == 0x03 || wifi_get_opmode() == 0x02) { - wifi_get_ip_info(SOFTAP_IF, &ipconfig); - ap_host_addr.addr = ipconfig.ip.addr; - if (igmp_leavegroup(&ap_host_addr, &multicast_addr) != ERR_OK) { - os_printf("ap udp_join_multigrup failed!\n"); - return; - }; - } - register_flag = 0; - } -} - -void ICACHE_FLASH_ATTR -mdns_server_register(void) { - - if (register_flag == 1) { - os_printf("mdns server is already registered !\n"); - return; - } else if (igmp_joingroup(&host_addr, &multicast_addr) != ERR_OK) { - os_printf("udp_join_multigrup failed!\n"); - return; - }; - register_flag = 1; -} - -void ICACHE_FLASH_ATTR -mdns_reg(struct mdns_info *info) { - - static uint8 i = 0; - if (i <= 3) { - mdns_send_service(info,0); - i++; - } else { - os_timer_disarm(&mdns_timer); - } -} - -/** - * Initialize the resolver: set up the UDP pcb and configure the default server - * (NEW IP). - */ -void ICACHE_FLASH_ATTR -mdns_init(struct mdns_info *info) { - /* initialize default DNS server address */ - multicast_addr.addr = DNS_MULTICAST_ADDRESS; - struct ip_addr ap_host_addr; - struct ip_info ipconfig; - uint8 text_index = 0; - ms_info = (struct mdns_info *)os_zalloc(sizeof(struct mdns_info)); - if (ms_info != NULL) { - os_memcpy(ms_info,info,sizeof(struct mdns_info)); - ms_info->host_name = (char *)os_zalloc(os_strlen(info->host_name)+1); - os_memcpy(ms_info->host_name,info->host_name,os_strlen(info->host_name)); - ms_info->server_name = (char *)os_zalloc(os_strlen(info->server_name)+1); - os_memcpy(ms_info->server_name,info->server_name,os_strlen(info->server_name)); - for(text_index = 0;text_index < 10;text_index++) { - if(info->txt_data[text_index] != NULL) { - ms_info->txt_data[text_index] = (char *)os_zalloc(os_strlen(info->txt_data[text_index])+1); - os_memcpy(ms_info->txt_data[text_index],info->txt_data[text_index],os_strlen(info->txt_data[text_index])); - } else { - break; - } - - } - - } else { - os_printf("ms_info alloc failed\n"); - return; - } - if (ms_info->ipAddr == 0) { - os_printf("mdns ip error!\n "); - return; - } - host_addr.addr = ms_info->ipAddr ; - LWIP_DEBUGF(DNS_DEBUG, ("dns_init: initializing\n")); - //get the datasheet from PUCK - mdns_set_hostname(ms_info->host_name); - mdns_set_servername(ms_info->server_name); - mdns_set_name(ms_info->host_name); - - // get the host name as instrumentName_serialNumber for MDNS - // set the name of the service, the same as host name - os_printf("host_name = %s\n", host_name); - os_printf("server_name = %s\n", PUCK_SERVICE); - if (ms_info->server_port == 0) - { - PUCK_PORT = 80; - } else { - PUCK_PORT = ms_info->server_port; - } - - /* initialize mDNS */ - mdns_pcb = udp_new(); - - if (mdns_pcb != NULL) { - /* join to the multicast address 224.0.0.251 */ - if(wifi_get_opmode() == 0x03 || wifi_get_opmode() == 0x01) { - if (igmp_joingroup(&host_addr, &multicast_addr) != ERR_OK) { - os_printf("sta udp_join_multigrup failed!\n"); - return; - }; - } - if(wifi_get_opmode() == 0x03 || wifi_get_opmode() == 0x02) { - wifi_get_ip_info(SOFTAP_IF, &ipconfig); - ap_host_addr.addr = ipconfig.ip.addr; - if (igmp_joingroup(&ap_host_addr, &multicast_addr) != ERR_OK) { - os_printf("ap udp_join_multigrup failed!\n"); - return; - }; - } - register_flag = 1; - /* join to any IP address at the port 5353 */ - if (udp_bind(mdns_pcb, IP_ADDR_ANY, DNS_MDNS_PORT) != ERR_OK) { - os_printf("udp_bind failed!\n"); - return; - }; - - /*loopback function for the multicast(224.0.0.251) messages received at port 5353*/ -// mdns_enable(); - udp_recv(mdns_pcb, mdns_recv, ms_info); - mdns_flag = 1; - /* - * Register the name of the instrument - */ - - os_timer_disarm(&mdns_timer); - os_timer_setfn(&mdns_timer, (os_timer_func_t *)mdns_reg,ms_info); - os_timer_arm(&mdns_timer, 1000, 1); - } -} - -#endif /* LWIP_MDNS */ diff --git a/tools/sdk/lwip/src/core/mem.c b/tools/sdk/lwip/src/core/mem.c deleted file mode 100644 index bf6263d977..0000000000 --- a/tools/sdk/lwip/src/core/mem.c +++ /dev/null @@ -1,644 +0,0 @@ -/** - * @file - * Dynamic memory manager - * - * This is a lightweight replacement for the standard C library malloc(). - * - * If you want to use the standard C library malloc() instead, define - * MEM_LIBC_MALLOC to 1 in your lwipopts.h - * - * To let mem_malloc() use pools (prevents fragmentation and is much faster than - * a heap but might waste some memory), define MEM_USE_POOLS to 1, define - * MEM_USE_CUSTOM_POOLS to 1 and create a file "lwippools.h" that includes a list - * of pools like this (more pools can be added between _START and _END): - * - * Define three pools with sizes 256, 512, and 1512 bytes - * LWIP_MALLOC_MEMPOOL_START - * LWIP_MALLOC_MEMPOOL(20, 256) - * LWIP_MALLOC_MEMPOOL(10, 512) - * LWIP_MALLOC_MEMPOOL(5, 1512) - * LWIP_MALLOC_MEMPOOL_END - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * Simon Goldschmidt - * - */ - -#include "lwip/opt.h" - -#if !MEM_LIBC_MALLOC /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/sys.h" -#include "lwip/stats.h" -#include "lwip/err.h" - -#include - -#if MEM_USE_POOLS -/* lwIP head implemented with different sized pools */ - -/** - * Allocate memory: determine the smallest pool that is big enough - * to contain an element of 'size' and get an element from that pool. - * - * @param size the size in bytes of the memory needed - * @return a pointer to the allocated memory or NULL if the pool is empty - */ -void * -mem_malloc(mem_size_t size) -{ - struct memp_malloc_helper *element; - memp_t poolnr; - mem_size_t required_size = size + sizeof(struct memp_malloc_helper); - - for (poolnr = MEMP_POOL_FIRST; poolnr <= MEMP_POOL_LAST; poolnr = (memp_t)(poolnr + 1)) { -#if MEM_USE_POOLS_TRY_BIGGER_POOL -again: -#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */ - /* is this pool big enough to hold an element of the required size - plus a struct memp_malloc_helper that saves the pool this element came from? */ - if (required_size <= memp_sizes[poolnr]) { - break; - } - } - if (poolnr > MEMP_POOL_LAST) { - LWIP_ASSERT("mem_malloc(): no pool is that big!", 0); - return NULL; - } - element = (struct memp_malloc_helper*)memp_malloc(poolnr); - if (element == NULL) { - /* No need to DEBUGF or ASSERT: This error is already - taken care of in memp.c */ -#if MEM_USE_POOLS_TRY_BIGGER_POOL - /** Try a bigger pool if this one is empty! */ - if (poolnr < MEMP_POOL_LAST) { - poolnr++; - goto again; - } -#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */ - return NULL; - } - - /* save the pool number this element came from */ - element->poolnr = poolnr; - /* and return a pointer to the memory directly after the struct memp_malloc_helper */ - element++; - - return element; -} - -/** - * Free memory previously allocated by mem_malloc. Loads the pool number - * and calls memp_free with that pool number to put the element back into - * its pool - * - * @param rmem the memory element to free - */ -void -mem_free(void *rmem) -{ - struct memp_malloc_helper *hmem = (struct memp_malloc_helper*)rmem; - - LWIP_ASSERT("rmem != NULL", (rmem != NULL)); - LWIP_ASSERT("rmem == MEM_ALIGN(rmem)", (rmem == LWIP_MEM_ALIGN(rmem))); - - /* get the original struct memp_malloc_helper */ - hmem--; - - LWIP_ASSERT("hmem != NULL", (hmem != NULL)); - LWIP_ASSERT("hmem == MEM_ALIGN(hmem)", (hmem == LWIP_MEM_ALIGN(hmem))); - LWIP_ASSERT("hmem->poolnr < MEMP_MAX", (hmem->poolnr < MEMP_MAX)); - - /* and put it in the pool we saved earlier */ - memp_free(hmem->poolnr, hmem); -} - -#else /* MEM_USE_POOLS */ -/* lwIP replacement for your libc malloc() */ - -/** - * The heap is made up as a list of structs of this type. - * This does not have to be aligned since for getting its size, - * we only use the macro SIZEOF_STRUCT_MEM, which automatically alignes. - */ -struct mem { - /** index (-> ram[next]) of the next struct */ - mem_size_t next; - /** index (-> ram[prev]) of the previous struct */ - mem_size_t prev; - /** 1: this area is used; 0: this area is unused */ - u8_t used; - u8_t pad[3]; /* XXX: pad here instead use global ALIGN */ -} __ATTRIB_PACK; - -/** All allocated blocks will be MIN_SIZE bytes big, at least! - * MIN_SIZE can be overridden to suit your needs. Smaller values save space, - * larger values could prevent too small blocks to fragment the RAM too much. */ -#ifndef MIN_SIZE -#define MIN_SIZE 12 -#endif /* MIN_SIZE */ -/* some alignment macros: we define them here for better source code layout */ -#define MIN_SIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(MIN_SIZE) -#define SIZEOF_STRUCT_MEM LWIP_MEM_ALIGN_SIZE(sizeof(struct mem)) -#define MEM_SIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEM_SIZE) - -/** If you want to relocate the heap to external memory, simply define - * LWIP_RAM_HEAP_POINTER as a void-pointer to that location. - * If so, make sure the memory at that location is big enough (see below on - * how that space is calculated). */ -#ifndef LWIP_RAM_HEAP_POINTER -/** the heap. we need one struct mem at the end and some room for alignment */ -/* enlarge heap as tx pbuf payload is allocate from heap as well */ -u8_t ram_heap[MEM_SIZE_ALIGNED + (2*SIZEOF_STRUCT_MEM) + MEM_ALIGNMENT] SHMEM_ATTR; -#define LWIP_RAM_HEAP_POINTER ram_heap -#endif /* LWIP_RAM_HEAP_POINTER */ - -/** pointer to the heap (ram_heap): for alignment, ram is now a pointer instead of an array */ -static u8_t *ram; -/** the last entry, always unused! */ -static struct mem *ram_end; -/** pointer to the lowest free block, this is used for faster search */ -static struct mem *lfree; - -/** concurrent access protection */ -//static sys_mutex_t mem_mutex; - -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - -static volatile u8_t mem_free_count; - -/* Allow mem_free from other (e.g. interrupt) context */ -#define LWIP_MEM_FREE_DECL_PROTECT() SYS_ARCH_DECL_PROTECT(lev_free) -#define LWIP_MEM_FREE_PROTECT() SYS_ARCH_PROTECT(lev_free) -#define LWIP_MEM_FREE_UNPROTECT() SYS_ARCH_UNPROTECT(lev_free) -#define LWIP_MEM_ALLOC_DECL_PROTECT() SYS_ARCH_DECL_PROTECT(lev_alloc) -#define LWIP_MEM_ALLOC_PROTECT() SYS_ARCH_PROTECT(lev_alloc) -#define LWIP_MEM_ALLOC_UNPROTECT() SYS_ARCH_UNPROTECT(lev_alloc) - -#else /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - -/* Protect the heap only by using a semaphore */ -#define LWIP_MEM_FREE_DECL_PROTECT() -#define LWIP_MEM_FREE_PROTECT() sys_mutex_lock(&mem_mutex) -#define LWIP_MEM_FREE_UNPROTECT() sys_mutex_unlock(&mem_mutex) -/* mem_malloc is protected using semaphore AND LWIP_MEM_ALLOC_PROTECT */ -#define LWIP_MEM_ALLOC_DECL_PROTECT() -#define LWIP_MEM_ALLOC_PROTECT() -#define LWIP_MEM_ALLOC_UNPROTECT() - -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - -/** - * "Plug holes" by combining adjacent empty struct mems. - * After this function is through, there should not exist - * one empty struct mem pointing to another empty struct mem. - * - * @param mem this points to a struct mem which just has been freed - * @internal this function is only called by mem_free() and mem_trim() - * - * This assumes access to the heap is protected by the calling function - * already. - */ -static void ICACHE_FLASH_ATTR -plug_holes(struct mem *mem) -{ - struct mem *nmem; - struct mem *pmem; - - LWIP_ASSERT("plug_holes: mem >= ram", (u8_t *)mem >= ram); - LWIP_ASSERT("plug_holes: mem < ram_end", (u8_t *)mem < (u8_t *)ram_end); - LWIP_ASSERT("plug_holes: mem->used == 0", mem->used == 0); - - /* plug hole forward */ - LWIP_ASSERT("plug_holes: mem->next <= MEM_SIZE_ALIGNED", mem->next <= MEM_SIZE_ALIGNED); - - nmem = (struct mem *)(void *)&ram[mem->next]; - if (mem != nmem && nmem->used == 0 && (u8_t *)nmem != (u8_t *)ram_end) { - /* if mem->next is unused and not end of ram, combine mem and mem->next */ - if (lfree == nmem) { - lfree = mem; - } - mem->next = nmem->next; - ((struct mem *)(void *)&ram[nmem->next])->prev = (mem_size_t)((u8_t *)mem - ram); - } - - /* plug hole backward */ - pmem = (struct mem *)(void *)&ram[mem->prev]; - if (pmem != mem && pmem->used == 0) { - /* if mem->prev is unused, combine mem and mem->prev */ - if (lfree == mem) { - lfree = pmem; - } - pmem->next = mem->next; - ((struct mem *)(void *)&ram[mem->next])->prev = (mem_size_t)((u8_t *)pmem - ram); - } -} - -/** - * Zero the heap and initialize start, end and lowest-free - */ -void -mem_init(void) -{ - struct mem *mem; - - LWIP_ASSERT("Sanity check alignment", - (SIZEOF_STRUCT_MEM & (MEM_ALIGNMENT-1)) == 0); - - /* align the heap */ - ram = (u8_t *)LWIP_MEM_ALIGN(LWIP_RAM_HEAP_POINTER); - /* initialize the start of the heap */ - mem = (struct mem *)(void *)ram; - mem->next = MEM_SIZE_ALIGNED; - mem->prev = 0; - mem->used = 0; - /* initialize the end of the heap */ - ram_end = (struct mem *)(void *)&ram[MEM_SIZE_ALIGNED]; - ram_end->used = 1; - ram_end->next = MEM_SIZE_ALIGNED; - ram_end->prev = MEM_SIZE_ALIGNED; - - /* initialize the lowest-free pointer to the start of the heap */ - lfree = (struct mem *)(void *)ram; - - MEM_STATS_AVAIL(avail, MEM_SIZE_ALIGNED); - - if(sys_mutex_new(&mem_mutex) != ERR_OK) { - LWIP_ASSERT("failed to create mem_mutex", 0); - } -} - -/** - * Put a struct mem back on the heap - * - * @param rmem is the data portion of a struct mem as returned by a previous - * call to mem_malloc() - */ -void -mem_free(void *rmem) -{ - struct mem *mem; - LWIP_MEM_FREE_DECL_PROTECT(); - - if (rmem == NULL) { - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("mem_free(p == NULL) was called.\n")); - return; - } - LWIP_ASSERT("mem_free: sanity check alignment", (((mem_ptr_t)rmem) & (MEM_ALIGNMENT-1)) == 0); - - LWIP_ASSERT("mem_free: legal memory", (u8_t *)rmem >= (u8_t *)ram && - (u8_t *)rmem < (u8_t *)ram_end); - - if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) { - SYS_ARCH_DECL_PROTECT(lev); - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_free: illegal memory\n")); - /* protect mem stats from concurrent access */ - SYS_ARCH_PROTECT(lev); - MEM_STATS_INC(illegal); - SYS_ARCH_UNPROTECT(lev); - return; - } - /* protect the heap from concurrent access */ - LWIP_MEM_FREE_PROTECT(); - /* Get the corresponding struct mem ... */ - mem = (struct mem *)(void *)((u8_t *)rmem - SIZEOF_STRUCT_MEM); - /* ... which has to be in a used state ... */ - LWIP_ASSERT("mem_free: mem->used", mem->used); - /* ... and is now unused. */ - mem->used = 0; - - if (mem < lfree) { - /* the newly freed struct is now the lowest */ - lfree = mem; - } - - MEM_STATS_DEC_USED(used, mem->next - (mem_size_t)(((u8_t *)mem - ram))); - - /* finally, see if prev or next are free also */ - plug_holes(mem); -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 1; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_FREE_UNPROTECT(); -} - -/** - * Shrink memory returned by mem_malloc(). - * - * @param rmem pointer to memory allocated by mem_malloc the is to be shrinked - * @param newsize required size after shrinking (needs to be smaller than or - * equal to the previous size) - * @return for compatibility reasons: is always == rmem, at the moment - * or NULL if newsize is > old size, in which case rmem is NOT touched - * or freed! - */ -void * -mem_trim(void *rmem, mem_size_t newsize) -{ - mem_size_t size; - mem_size_t ptr, ptr2; - struct mem *mem, *mem2; - /* use the FREE_PROTECT here: it protects with sem OR SYS_ARCH_PROTECT */ - LWIP_MEM_FREE_DECL_PROTECT(); - - /* Expand the size of the allocated memory region so that we can - adjust for alignment. */ - newsize = LWIP_MEM_ALIGN_SIZE(newsize); - - if(newsize < MIN_SIZE_ALIGNED) { - /* every data block must be at least MIN_SIZE_ALIGNED long */ - newsize = MIN_SIZE_ALIGNED; - } - - if (newsize > MEM_SIZE_ALIGNED) { - return NULL; - } - - LWIP_ASSERT("mem_trim: legal memory", (u8_t *)rmem >= (u8_t *)ram && - (u8_t *)rmem < (u8_t *)ram_end); - - if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) { - SYS_ARCH_DECL_PROTECT(lev); - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_trim: illegal memory\n")); - /* protect mem stats from concurrent access */ - SYS_ARCH_PROTECT(lev); - MEM_STATS_INC(illegal); - SYS_ARCH_UNPROTECT(lev); - return rmem; - } - /* Get the corresponding struct mem ... */ - mem = (struct mem *)(void *)((u8_t *)rmem - SIZEOF_STRUCT_MEM); - /* ... and its offset pointer */ - ptr = (mem_size_t)((u8_t *)mem - ram); - - size = mem->next - ptr - SIZEOF_STRUCT_MEM; - LWIP_ASSERT("mem_trim can only shrink memory", newsize <= size); - if (newsize > size) { - /* not supported */ - return NULL; - } - if (newsize == size) { - /* No change in size, simply return */ - return rmem; - } - - /* protect the heap from concurrent access */ - LWIP_MEM_FREE_PROTECT(); - - mem2 = (struct mem *)(void *)&ram[mem->next]; - if(mem2->used == 0) { - /* The next struct is unused, we can simply move it at little */ - mem_size_t next; - /* remember the old next pointer */ - next = mem2->next; - /* create new struct mem which is moved directly after the shrinked mem */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize; - if (lfree == mem2) { - lfree = (struct mem *)(void *)&ram[ptr2]; - } - mem2 = (struct mem *)(void *)&ram[ptr2]; - mem2->used = 0; - /* restore the next pointer */ - mem2->next = next; - /* link it back to mem */ - mem2->prev = ptr; - /* link mem to it */ - mem->next = ptr2; - /* last thing to restore linked list: as we have moved mem2, - * let 'mem2->next->prev' point to mem2 again. but only if mem2->next is not - * the end of the heap */ - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2; - } - MEM_STATS_DEC_USED(used, (size - newsize)); - /* no need to plug holes, we've already done that */ - } else if (newsize + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED <= size) { - /* Next struct is used but there's room for another struct mem with - * at least MIN_SIZE_ALIGNED of data. - * Old size ('size') must be big enough to contain at least 'newsize' plus a struct mem - * ('SIZEOF_STRUCT_MEM') with some data ('MIN_SIZE_ALIGNED'). - * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty - * region that couldn't hold data, but when mem->next gets freed, - * the 2 regions would be combined, resulting in more free memory */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize; - mem2 = (struct mem *)(void *)&ram[ptr2]; - if (mem2 < lfree) { - lfree = mem2; - } - mem2->used = 0; - mem2->next = mem->next; - mem2->prev = ptr; - mem->next = ptr2; - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2; - } - MEM_STATS_DEC_USED(used, (size - newsize)); - /* the original mem->next is used, so no need to plug holes! */ - } - /* else { - next struct mem is used but size between mem and mem2 is not big enough - to create another struct mem - -> don't do anyhting. - -> the remaining space stays unused since it is too small - } */ -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 1; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_FREE_UNPROTECT(); - return rmem; -} - -/** - * Adam's mem_malloc() plus solution for bug #17922 - * Allocate a block of memory with a minimum of 'size' bytes. - * - * @param size is the minimum size of the requested block in bytes. - * @return pointer to allocated memory or NULL if no free memory was found. - * - * Note that the returned value will always be aligned (as defined by MEM_ALIGNMENT). - */ -void * -mem_malloc(mem_size_t size) -{ - mem_size_t ptr, ptr2; - struct mem *mem, *mem2; -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - u8_t local_mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_ALLOC_DECL_PROTECT(); - - if (size == 0) { - return NULL; - } - - /* Expand the size of the allocated memory region so that we can - adjust for alignment. */ - size = LWIP_MEM_ALIGN_SIZE(size); - - if(size < MIN_SIZE_ALIGNED) { - /* every data block must be at least MIN_SIZE_ALIGNED long */ - size = MIN_SIZE_ALIGNED; - } - - if (size > MEM_SIZE_ALIGNED) { - return NULL; - } - - /* protect the heap from concurrent access */ - sys_mutex_lock(&mem_mutex); - LWIP_MEM_ALLOC_PROTECT(); -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - /* run as long as a mem_free disturbed mem_malloc */ - do { - local_mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - /* Scan through the heap searching for a free block that is big enough, - * beginning with the lowest free block. - */ - for (ptr = (mem_size_t)((u8_t *)lfree - ram); ptr < MEM_SIZE_ALIGNED - size; - ptr = ((struct mem *)(void *)&ram[ptr])->next) { - mem = (struct mem *)(void *)&ram[ptr]; -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 0; - LWIP_MEM_ALLOC_UNPROTECT(); - /* allow mem_free to run */ - LWIP_MEM_ALLOC_PROTECT(); - if (mem_free_count != 0) { - local_mem_free_count = mem_free_count; - } - mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - if ((!mem->used) && - (mem->next - (ptr + SIZEOF_STRUCT_MEM)) >= size) { - /* mem is not used and at least perfect fit is possible: - * mem->next - (ptr + SIZEOF_STRUCT_MEM) gives us the 'user data size' of mem */ - - if (mem->next - (ptr + SIZEOF_STRUCT_MEM) >= (size + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED)) { - /* (in addition to the above, we test if another struct mem (SIZEOF_STRUCT_MEM) containing - * at least MIN_SIZE_ALIGNED of data also fits in the 'user data space' of 'mem') - * -> split large block, create empty remainder, - * remainder must be large enough to contain MIN_SIZE_ALIGNED data: if - * mem->next - (ptr + (2*SIZEOF_STRUCT_MEM)) == size, - * struct mem would fit in but no data between mem2 and mem2->next - * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty - * region that couldn't hold data, but when mem->next gets freed, - * the 2 regions would be combined, resulting in more free memory - */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + size; - /* create mem2 struct */ - mem2 = (struct mem *)(void *)&ram[ptr2]; - mem2->used = 0; - mem2->next = mem->next; - mem2->prev = ptr; - /* and insert it between mem and mem->next */ - mem->next = ptr2; - mem->used = 1; - - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2; - } - MEM_STATS_INC_USED(used, (size + SIZEOF_STRUCT_MEM)); - } else { - /* (a mem2 struct does no fit into the user data space of mem and mem->next will always - * be used at this point: if not we have 2 unused structs in a row, plug_holes should have - * take care of this). - * -> near fit or excact fit: do not split, no mem2 creation - * also can't move mem->next directly behind mem, since mem->next - * will always be used at this point! - */ - mem->used = 1; - MEM_STATS_INC_USED(used, mem->next - (mem_size_t)((u8_t *)mem - ram)); - } - - if (mem == lfree) { - /* Find next free block after mem and update lowest free pointer */ - while (lfree->used && lfree != ram_end) { - LWIP_MEM_ALLOC_UNPROTECT(); - /* prevent high interrupt latency... */ - LWIP_MEM_ALLOC_PROTECT(); - lfree = (struct mem *)(void *)&ram[lfree->next]; - } - LWIP_ASSERT("mem_malloc: !lfree->used", ((lfree == ram_end) || (!lfree->used))); - } - LWIP_MEM_ALLOC_UNPROTECT(); - sys_mutex_unlock(&mem_mutex); - LWIP_ASSERT("mem_malloc: allocated memory not above ram_end.", - (mem_ptr_t)mem + SIZEOF_STRUCT_MEM + size <= (mem_ptr_t)ram_end); - LWIP_ASSERT("mem_malloc: allocated memory properly aligned.", - ((mem_ptr_t)mem + SIZEOF_STRUCT_MEM) % MEM_ALIGNMENT == 0); - LWIP_ASSERT("mem_malloc: sanity check alignment", - (((mem_ptr_t)mem) & (MEM_ALIGNMENT-1)) == 0); - - return (u8_t *)mem + SIZEOF_STRUCT_MEM; - } - } -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - /* if we got interrupted by a mem_free, try again */ - } while(local_mem_free_count != 0); -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("mem_malloc: could not allocate %"S16_F" bytes\n", (s16_t)size)); - MEM_STATS_INC(err); - LWIP_MEM_ALLOC_UNPROTECT(); - sys_mutex_unlock(&mem_mutex); - return NULL; -} - -#endif /* MEM_USE_POOLS */ -/** - * Contiguously allocates enough space for count objects that are size bytes - * of memory each and returns a pointer to the allocated memory. - * - * The allocated memory is filled with bytes of value zero. - * - * @param count number of objects to allocate - * @param size size of the objects to allocate - * @return pointer to allocated memory / NULL pointer if there is an error - */ -void *mem_calloc(mem_size_t count, mem_size_t size) -{ - void *p; - - /* allocate 'count' objects of size 'size' */ - p = mem_malloc(count * size); - if (p) { - /* zero the memory */ - os_memset(p, 0, count * size); - } - return p; -} - -#endif /* !MEM_LIBC_MALLOC */ diff --git a/tools/sdk/lwip/src/core/memp.c b/tools/sdk/lwip/src/core/memp.c deleted file mode 100644 index 38bdd1bed6..0000000000 --- a/tools/sdk/lwip/src/core/memp.c +++ /dev/null @@ -1,490 +0,0 @@ -/** - * @file - * Dynamic pool memory manager - * - * lwIP has dedicated pools for many structures (netconn, protocol control blocks, - * packet buffers, ...). All these pools are managed here. - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/udp.h" -#include "lwip/raw.h" -#include "lwip/tcp_impl.h" -#include "lwip/igmp.h" -#include "lwip/api.h" -#include "lwip/api_msg.h" -#include "lwip/tcpip.h" -#include "lwip/sys.h" -#include "lwip/timers.h" -#include "lwip/stats.h" -#include "netif/etharp.h" -#include "lwip/ip_frag.h" -#include "lwip/snmp_structs.h" -#include "lwip/snmp_msg.h" -#include "lwip/dns.h" -#include "netif/ppp_oe.h" - -#include - -#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */ - -struct memp { - struct memp *next; -#if MEMP_OVERFLOW_CHECK - const char *file; - int line; -#endif /* MEMP_OVERFLOW_CHECK */ -}; - -#if MEMP_OVERFLOW_CHECK -/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning - * and at the end of each element, initialize them as 0xcd and check - * them later. */ -/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free, - * every single element in each pool is checked! - * This is VERY SLOW but also very helpful. */ -/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in - * lwipopts.h to change the amount reserved for checking. */ -#ifndef MEMP_SANITY_REGION_BEFORE -#define MEMP_SANITY_REGION_BEFORE 16 -#endif /* MEMP_SANITY_REGION_BEFORE*/ -#if MEMP_SANITY_REGION_BEFORE > 0 -#define MEMP_SANITY_REGION_BEFORE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE) -#else -#define MEMP_SANITY_REGION_BEFORE_ALIGNED 0 -#endif /* MEMP_SANITY_REGION_BEFORE*/ -#ifndef MEMP_SANITY_REGION_AFTER -#define MEMP_SANITY_REGION_AFTER 16 -#endif /* MEMP_SANITY_REGION_AFTER*/ -#if MEMP_SANITY_REGION_AFTER > 0 -#define MEMP_SANITY_REGION_AFTER_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER) -#else -#define MEMP_SANITY_REGION_AFTER_ALIGNED 0 -#endif /* MEMP_SANITY_REGION_AFTER*/ - -/* MEMP_SIZE: save space for struct memp and for sanity check */ -#define MEMP_SIZE (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED) -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED) - -#else /* MEMP_OVERFLOW_CHECK */ - -/* No sanity checks - * We don't need to preserve the struct memp while not allocated, so we - * can save a little space and set MEMP_SIZE to 0. - */ -#define MEMP_SIZE 0 -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x)) - -#endif /* MEMP_OVERFLOW_CHECK */ - -/** This array holds the first free element of each pool. - * Elements form a linked list. */ -static struct memp *memp_tab[MEMP_MAX]; - -#else /* MEMP_MEM_MALLOC */ - -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x)) - -#endif /* MEMP_MEM_MALLOC */ - -/** This array holds the element sizes of each pool. */ -#if !MEM_USE_POOLS && !MEMP_MEM_MALLOC -static -#endif -const u32_t memp_sizes[MEMP_MAX] ICACHE_RODATA_ATTR = { //LWIP_MEM_ALIGN_SIZE -#define LWIP_MEMPOOL(name,num,size,desc,attr) LWIP_MEM_ALIGN_SIZE(size), -#include "lwip/memp_std.h" -}; - -u16_t memp_sizes_test[1] = {PBUF_POOL_BUFSIZE,}; - -#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */ - -/** This array holds the number of elements in each pool. */ -static const u16_t memp_num[MEMP_MAX] = { -#define LWIP_MEMPOOL(name,num,size,desc,attr) (num), -#include "lwip/memp_std.h" -}; - -/** This array holds a textual description of each pool. */ -//#ifdef LWIP_DEBUG -//static const char *memp_desc[MEMP_MAX] = { -const char *memp_desc[MEMP_MAX] = { -#define LWIP_MEMPOOL(name,num,size,desc,attr) (desc), -#include "lwip/memp_std.h" -}; -//#endif /* LWIP_DEBUG */ - -#if MEMP_SEPARATE_POOLS - -/** This creates each memory pool. These are named memp_memory_XXX_base (where - * XXX is the name of the pool defined in memp_std.h). - * To relocate a pool, declare it as extern in cc.h. Example for GCC: - * extern u8_t __attribute__((section(".onchip_mem"))) memp_memory_UDP_PCB_base[]; - */ -#define LWIP_MEMPOOL(name,num,size,desc,attr) u8_t memp_memory_ ## name ## _base \ - [((num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size)))] attr; -#include "lwip/memp_std.h" - -/** This array holds the base of each memory pool. */ -static u8_t *const memp_bases[] = { -#define LWIP_MEMPOOL(name,num,size,desc,attr) memp_memory_ ## name ## _base, -#include "lwip/memp_std.h" -}; - -#else /* MEMP_SEPARATE_POOLS */ - -/** This is the actual memory used by the pools (all pools in one big block). */ -static u8_t memp_memory[MEM_ALIGNMENT - 1 -#define LWIP_MEMPOOL(name,num,size,desc, attr) + ( (num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size) ) ) -#include "lwip/memp_std.h" -]; - -#endif /* MEMP_SEPARATE_POOLS */ - -#if MEMP_SANITY_CHECK -/** - * Check that memp-lists don't form a circle, modify by ives at 2014.4.23. - */ -static int ICACHE_FLASH_ATTR -memp_sanity(void) -{ - s16_t i; - struct memp *t, *h; - - for (i = 0; i < MEMP_MAX; i++) { - t = memp_tab[i]; - if(t != NULL) { - for (h = t->next; (t != NULL) && (h != NULL); t = t->next, - h = (((h->next != NULL) && (h->next->next != NULL)) ? h->next->next : NULL)) { - if (t == h) { - return 0; - } - } - } - } - return 1; -} -#endif /* MEMP_SANITY_CHECK*/ -#if MEMP_OVERFLOW_CHECK -#if defined(LWIP_DEBUG) && MEMP_STATS -static const char * memp_overflow_names[] = { -#define LWIP_MEMPOOL(name,num,size,desc,attr) "/"desc, -#include "lwip/memp_std.h" - }; -#endif - -/** - * Check if a memp element was victim of an overflow - * (e.g. the restricted area after it has been altered) - * - * @param p the memp element to check - * @param memp_type the pool p comes from - */ -static void ICACHE_FLASH_ATTR -memp_overflow_check_element_overflow(struct memp *p, u16_t memp_type) -{ - u16_t k; - u8_t *m; -#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE + memp_sizes[memp_type]; - for (k = 0; k < MEMP_SANITY_REGION_AFTER_ALIGNED; k++) { - if (m[k] != 0xcd) { - char errstr[128] = "detected memp overflow in pool "; - char digit[] = "0"; - if(memp_type >= 10) { - digit[0] = '0' + (memp_type/10); - strcat(errstr, digit); - } - digit[0] = '0' + (memp_type%10); - strcat(errstr, digit); -#if defined(LWIP_DEBUG) && MEMP_STATS - strcat(errstr, memp_overflow_names[memp_type]); -#endif - LWIP_ASSERT(errstr, 0); - } - } -#endif -} - -/** - * Check if a memp element was victim of an underflow - * (e.g. the restricted area before it has been altered) - * - * @param p the memp element to check - * @param memp_type the pool p comes from - */ -static void ICACHE_FLASH_ATTR -memp_overflow_check_element_underflow(struct memp *p, u16_t memp_type) -{ - u16_t k; - u8_t *m; -#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED; - for (k = 0; k < MEMP_SANITY_REGION_BEFORE_ALIGNED; k++) { - if (m[k] != 0xcd) { - char errstr[128] = "detected memp underflow in pool "; - char digit[] = "0"; - if(memp_type >= 10) { - digit[0] = '0' + (memp_type/10); - strcat(errstr, digit); - } - digit[0] = '0' + (memp_type%10); - strcat(errstr, digit); -#if defined(LWIP_DEBUG) && MEMP_STATS - strcat(errstr, memp_overflow_names[memp_type]); -#endif - LWIP_ASSERT(errstr, 0); - } - } -#endif -} - -/** - * Do an overflow check for all elements in every pool. - * - * @see memp_overflow_check_element for a description of the check - */ -static void ICACHE_FLASH_ATTR -memp_overflow_check_all(void) -{ - u16_t i, j; - struct memp *p; - - p = (struct memp *)LWIP_MEM_ALIGN(memp_memory); - for (i = 0; i < MEMP_MAX; ++i) { - p = p; - for (j = 0; j < memp_num[i]; ++j) { - memp_overflow_check_element_overflow(p, i); - p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED); - } - } - p = (struct memp *)LWIP_MEM_ALIGN(memp_memory); - for (i = 0; i < MEMP_MAX; ++i) { - p = p; - for (j = 0; j < memp_num[i]; ++j) { - memp_overflow_check_element_underflow(p, i); - p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED); - } - } -} - -/** - * Initialize the restricted areas of all memp elements in every pool. - */ -static void ICACHE_FLASH_ATTR -memp_overflow_init(void) -{ - u16_t i, j; - struct memp *p; - u8_t *m; - - p = (struct memp *)LWIP_MEM_ALIGN(memp_memory); - for (i = 0; i < MEMP_MAX; ++i) { - p = p; - for (j = 0; j < memp_num[i]; ++j) { -#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED; - os_memset(m, 0xcd, MEMP_SANITY_REGION_BEFORE_ALIGNED); -#endif -#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE + memp_sizes[i]; - os_memset(m, 0xcd, MEMP_SANITY_REGION_AFTER_ALIGNED); -#endif - p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED); - } - } -} -#endif /* MEMP_OVERFLOW_CHECK */ - -/** - * Initialize this module. - * - * Carves out memp_memory into linked lists for each pool-type. - */ -void -memp_init(void) -{ - struct memp *memp; - u16_t i, j; - - for (i = 0; i < MEMP_MAX; ++i) { - MEMP_STATS_AVAIL(used, i, 0); - MEMP_STATS_AVAIL(max, i, 0); - MEMP_STATS_AVAIL(err, i, 0); - MEMP_STATS_AVAIL(avail, i, memp_num[i]); - } - -#if !MEMP_SEPARATE_POOLS - memp = (struct memp *)LWIP_MEM_ALIGN(memp_memory); -#endif /* !MEMP_SEPARATE_POOLS */ - /* for every pool: */ - for (i = 0; i < MEMP_MAX; ++i) { - memp_tab[i] = NULL; -#if MEMP_SEPARATE_POOLS - memp = (struct memp*)memp_bases[i]; -#endif /* MEMP_SEPARATE_POOLS */ - /* create a linked list of memp elements */ - for (j = 0; j < memp_num[i]; ++j) { - memp->next = (struct memp *)memp_tab[i]; - memp_tab[i] = memp; - memp = (struct memp *)(void *)((u8_t *)memp + MEMP_SIZE + memp_sizes[i] -#if MEMP_OVERFLOW_CHECK - + MEMP_SANITY_REGION_AFTER_ALIGNED -#endif - ); - } - } -#if MEMP_OVERFLOW_CHECK - memp_overflow_init(); - /* check everything a first time to see if it worked */ - memp_overflow_check_all(); -#endif /* MEMP_OVERFLOW_CHECK */ -} - -/** - * Get an element from a specific pool. - * - * @param type the pool to get an element from - * - * the debug version has two more parameters: - * @param file file name calling this function - * @param line number of line where this function is called - * - * @return a pointer to the allocated memory or a NULL pointer on error - */ -void * -#if !MEMP_OVERFLOW_CHECK -memp_malloc(memp_t type) -#else -memp_malloc_fn(memp_t type, const char* file, const int line) -#endif -{ - struct memp *memp; - SYS_ARCH_DECL_PROTECT(old_level); - - LWIP_ERROR("memp_malloc: type < MEMP_MAX", (type < MEMP_MAX), return NULL;); - - SYS_ARCH_PROTECT(old_level); -#if MEMP_OVERFLOW_CHECK >= 2 - memp_overflow_check_all(); -#endif /* MEMP_OVERFLOW_CHECK >= 2 */ - - memp = memp_tab[type]; - - if (memp != NULL) { - memp_tab[type] = memp->next; -#if MEMP_OVERFLOW_CHECK - memp->next = NULL; - memp->file = file; - memp->line = line; -#endif /* MEMP_OVERFLOW_CHECK */ - MEMP_STATS_INC_USED(used, type); - LWIP_ASSERT("memp_malloc: memp properly aligned", - ((mem_ptr_t)memp % MEM_ALIGNMENT) == 0); - memp = (struct memp*)(void *)((u8_t*)memp + MEMP_SIZE); - } else { - LWIP_DEBUGF(MEMP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("memp_malloc: out of memory in pool %s\n", memp_desc[type])); - MEMP_STATS_INC(err, type); - } - - SYS_ARCH_UNPROTECT(old_level); - - return memp; -} - -/** - * Put an element back into its pool. - * - * @param type the pool where to put mem - * @param mem the memp element to free - */ -void -memp_free(memp_t type, void *mem) -{ - struct memp *memp; - SYS_ARCH_DECL_PROTECT(old_level); - - if (mem == NULL) { - return; - } - LWIP_ASSERT("memp_free: mem properly aligned", - ((mem_ptr_t)mem % MEM_ALIGNMENT) == 0); - - memp = (struct memp *)(void *)((u8_t*)mem - MEMP_SIZE); - - SYS_ARCH_PROTECT(old_level); -#if MEMP_OVERFLOW_CHECK -#if MEMP_OVERFLOW_CHECK >= 2 - memp_overflow_check_all(); -#else - memp_overflow_check_element_overflow(memp, type); - memp_overflow_check_element_underflow(memp, type); -#endif /* MEMP_OVERFLOW_CHECK >= 2 */ -#endif /* MEMP_OVERFLOW_CHECK */ - - MEMP_STATS_DEC(used, type); - - memp->next = memp_tab[type]; - memp_tab[type] = memp; - -#if MEMP_SANITY_CHECK - LWIP_ASSERT("memp sanity", memp_sanity()); -#endif /* MEMP_SANITY_CHECK */ - - SYS_ARCH_UNPROTECT(old_level); -} - -#endif /* MEMP_MEM_MALLOC */ -#if 0 -void memp_dump(void) -{ - printf("sizeof raw_pcb %u, memp_s1 %u, %s\n", sizeof(struct raw_pcb), memp_sizes[0], memp_desc[0]); - printf("sizeof udp_pcb %u, memp_s2 %u, %s\n", sizeof(struct udp_pcb), memp_sizes[1], memp_desc[1]); - printf("sizeof tcp_pcb %u, memp_s3 %u, %s\n", sizeof(struct tcp_pcb), memp_sizes[2], memp_desc[2]); - printf("sizeof tcp_pcb_listen %u, memp_s4 %u, %s\n", sizeof(struct tcp_pcb_listen), memp_sizes[3], memp_desc[3]); - printf("sizeof tcp_seg %u, memp_s5 %u, %s\n", sizeof(struct tcp_seg), memp_sizes[4], memp_desc[4]); - printf("sizeof sys_timeo %u, memp_s6 %u, %s\n", sizeof(struct sys_timeo), memp_sizes[5], memp_desc[5]); - printf("sizeof pbuf %u, memp_s7 %u, %s\n", sizeof(struct pbuf), memp_sizes[6], memp_desc[6]); - printf("align pbuf size %u, memp_s8 %u, %s\n", (PBUF_POOL_BUFSIZE), memp_sizes[7], memp_desc[7]); - printf("TCP_MSS %d PBUF_LINK_HLEN %d ETH_PAD_SIZE %d\n", TCP_MSS, PBUF_LINK_HLEN, ETH_PAD_SIZE); - printf("TCP_MSS + PBUF_LINK_HLEN + ETH_PAD_SIZE %d \n", TCP_MSS+PBUF_LINK_HLEN+ETH_PAD_SIZE+40); - printf("test size %u\n",memp_sizes_test[0]); - printf("sizeof memp_memory_PBUF_pool %u \n", sizeof(memp_memory_PBUF_POOL_base)); -} -#endif //0000 diff --git a/tools/sdk/lwip/src/core/netif.c b/tools/sdk/lwip/src/core/netif.c deleted file mode 100644 index cb6b6a84e6..0000000000 --- a/tools/sdk/lwip/src/core/netif.c +++ /dev/null @@ -1,762 +0,0 @@ -/** - * @file - * lwIP network interface abstraction - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/def.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/tcp_impl.h" -#include "lwip/snmp.h" -#include "lwip/igmp.h" -#include "netif/etharp.h" -#include "lwip/stats.h" -#if ENABLE_LOOPBACK -#include "lwip/sys.h" -#if LWIP_NETIF_LOOPBACK_MULTITHREADING -#include "lwip/tcpip.h" -#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ - -#if LWIP_AUTOIP -#include "lwip/autoip.h" -#endif /* LWIP_AUTOIP */ -#if LWIP_DHCP -#include "lwip/dhcp.h" -#endif /* LWIP_DHCP */ - -#if LWIP_NETIF_STATUS_CALLBACK -#define NETIF_STATUS_CALLBACK(n) do{ if (n->status_callback) { (n->status_callback)(n); }}while(0) -#else -#define NETIF_STATUS_CALLBACK(n) -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -#if LWIP_NETIF_LINK_CALLBACK -#define NETIF_LINK_CALLBACK(n) do{ if (n->link_callback) { (n->link_callback)(n); }}while(0) -#else -#define NETIF_LINK_CALLBACK(n) -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -struct netif *netif_list; -struct netif *netif_default; - -#if LWIP_HAVE_LOOPIF -static struct netif loop_netif; - -/** - * Initialize a lwip network interface structure for a loopback interface - * - * @param netif the lwip network interface structure for this loopif - * @return ERR_OK if the loopif is initialized - * ERR_MEM if private data couldn't be allocated - */ - static err_t ICACHE_FLASH_ATTR -netif_loopif_init(struct netif *netif) -{ - /* initialize the snmp variables and counters inside the struct netif - * ifSpeed: no assumption can be made! - */ - NETIF_INIT_SNMP(netif, snmp_ifType_softwareLoopback, 0); - - netif->name[0] = 'l'; - netif->name[1] = 'o'; - netif->output = netif_loop_output; - return ERR_OK; -} -#endif /* LWIP_HAVE_LOOPIF */ - -void -netif_init(void) -{ -#if LWIP_HAVE_LOOPIF - ip_addr_t loop_ipaddr, loop_netmask, loop_gw; - IP4_ADDR(&loop_gw, 127,0,0,1); - IP4_ADDR(&loop_ipaddr, 127,0,0,1); - IP4_ADDR(&loop_netmask, 255,0,0,0); - -#if NO_SYS - netif_add(&loop_netif, &loop_ipaddr, &loop_netmask, &loop_gw, NULL, netif_loopif_init, ip_input); -#else /* NO_SYS */ - netif_add(&loop_netif, &loop_ipaddr, &loop_netmask, &loop_gw, NULL, netif_loopif_init, tcpip_input); -#endif /* NO_SYS */ - netif_set_up(&loop_netif); - -#endif /* LWIP_HAVE_LOOPIF */ -} - -/** - * Add a network interface to the list of lwIP netifs. - * - * @param netif a pre-allocated netif structure - * @param ipaddr IP address for the new netif - * @param netmask network mask for the new netif - * @param gw default gateway IP address for the new netif - * @param state opaque data passed to the new netif - * @param init callback function that initializes the interface - * @param input callback function that is called to pass - * ingress packets up in the protocol layer stack. - * - * @return netif, or NULL if failed. - */ -struct netif * -netif_add(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask, - ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input) -{ - static u8_t netifnum = 0; - - LWIP_ASSERT("No init function given", init != NULL); - - /* reset new interface configuration state */ - ip_addr_set_zero(&netif->ip_addr); - ip_addr_set_zero(&netif->netmask); - ip_addr_set_zero(&netif->gw); - netif->flags = 0; -#if LWIP_DHCP - /* netif not under DHCP control by default */ - netif->dhcp = NULL; - netif->dhcps_pcb = NULL; -#endif /* LWIP_DHCP */ -#if LWIP_AUTOIP - /* netif not under AutoIP control by default */ - netif->autoip = NULL; -#endif /* LWIP_AUTOIP */ -#if LWIP_NETIF_STATUS_CALLBACK - netif->status_callback = NULL; -#endif /* LWIP_NETIF_STATUS_CALLBACK */ -#if LWIP_NETIF_LINK_CALLBACK - netif->link_callback = NULL; -#endif /* LWIP_NETIF_LINK_CALLBACK */ -#if LWIP_IGMP - netif->igmp_mac_filter = NULL; -#endif /* LWIP_IGMP */ -#if ENABLE_LOOPBACK - netif->loop_first = NULL; - netif->loop_last = NULL; -#endif /* ENABLE_LOOPBACK */ - - /* remember netif specific state information data */ - netif->state = state; - netif->num = netifnum++; - netif->input = input; -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ -#if ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS - netif->loop_cnt_current = 0; -#endif /* ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS */ - - netif_set_addr(netif, ipaddr, netmask, gw); - - /* call user specified initialization function for netif */ - if (init(netif) != ERR_OK) { - return NULL; - } - - /* add this netif to the list */ - netif->next = netif_list; - netif_list = netif; - snmp_inc_iflist(); - -#if LWIP_IGMP - /* start IGMP processing */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_start(netif); - } -#endif /* LWIP_IGMP */ - - LWIP_DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP addr ", - netif->name[0], netif->name[1])); - ip_addr_debug_print(NETIF_DEBUG, ipaddr); - LWIP_DEBUGF(NETIF_DEBUG, (" netmask ")); - ip_addr_debug_print(NETIF_DEBUG, netmask); - LWIP_DEBUGF(NETIF_DEBUG, (" gw ")); - ip_addr_debug_print(NETIF_DEBUG, gw); - LWIP_DEBUGF(NETIF_DEBUG, ("\n")); - return netif; -} - -/** - * Change IP address configuration for a network interface (including netmask - * and default gateway). - * - * @param netif the network interface to change - * @param ipaddr the new IP address - * @param netmask the new netmask - * @param gw the new default gateway - */ -void -netif_set_addr(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask, - ip_addr_t *gw) -{ - netif_set_ipaddr(netif, ipaddr); - netif_set_netmask(netif, netmask); - netif_set_gw(netif, gw); -} - -/** - * Remove a network interface from the list of lwIP netifs. - * - * @param netif the network interface to remove - */ -void -netif_remove(struct netif *netif) -{ - if (netif == NULL) { - return; - } - -#if LWIP_IGMP - /* stop IGMP processing */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_stop(netif); - } -#endif /* LWIP_IGMP */ - if (netif_is_up(netif)) { - /* set netif down before removing (call callback function) */ - netif_set_down(netif); - } - - snmp_delete_ipaddridx_tree(netif); - - /* is it the first netif? */ - if (netif_list == netif) { - netif_list = netif->next; - } else { - /* look for netif further down the list */ - struct netif * tmpNetif; - for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) { - if (tmpNetif->next == netif) { - tmpNetif->next = netif->next; - break; - } - } - if (tmpNetif == NULL) - return; /* we didn't find any netif today */ - } - snmp_dec_iflist(); - /* this netif is default? */ - if (netif_default == netif) { - /* reset default netif */ - netif_set_default(NULL); - } - LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") ); -} - -/** - * Find a network interface by searching for its name - * - * @param name the name of the netif (like netif->name) plus concatenated number - * in ascii representation (e.g. 'en0') - */ -struct netif * -netif_find(char *name) -{ - struct netif *netif; - u8_t num; - - if (name == NULL) { - return NULL; - } - - num = name[2] - '0'; - - for(netif = netif_list; netif != NULL; netif = netif->next) { - if (num == netif->num && - name[0] == netif->name[0] && - name[1] == netif->name[1]) { - LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: found %c%c\n", name[0], name[1])); - return netif; - } - } - LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %c%c\n", name[0], name[1])); - return NULL; -} - -/** - * Change the IP address of a network interface - * - * @param netif the network interface to change - * @param ipaddr the new IP address - * - * @note call netif_set_addr() if you also want to change netmask and - * default gateway - */ -void -netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr) -{ - /* TODO: Handling of obsolete pcbs */ - /* See: http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */ -#if LWIP_TCP - struct tcp_pcb *pcb; - struct tcp_pcb_listen *lpcb; - - /* address is actually being changed? */ - if (ipaddr && (ip_addr_cmp(ipaddr, &(netif->ip_addr))) == 0) { - /* extern struct tcp_pcb *tcp_active_pcbs; defined by tcp.h */ - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n")); - pcb = tcp_active_pcbs; - while (pcb != NULL) { - /* PCB bound to current local interface address? */ - if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr)) -#if LWIP_AUTOIP - /* connections to link-local addresses must persist (RFC3927 ch. 1.9) */ - && !ip_addr_islinklocal(&(pcb->local_ip)) -#endif /* LWIP_AUTOIP */ - ) { - /* this connection must be aborted */ - struct tcp_pcb *next = pcb->next; - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: aborting TCP pcb %p\n", (void *)pcb)); - tcp_abort(pcb); - pcb = next; - } else { - pcb = pcb->next; - } - } - for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - /* PCB bound to current local interface address? */ - if ((!(ip_addr_isany(&(lpcb->local_ip)))) && - (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr)))) { - /* The PCB is listening to the old ipaddr and - * is set to listen to the new one instead */ - ip_addr_set(&(lpcb->local_ip), ipaddr); - } - } - } -#endif - snmp_delete_ipaddridx_tree(netif); - snmp_delete_iprteidx_tree(0,netif); - /* set new IP address to netif */ - ip_addr_set(&(netif->ip_addr), ipaddr); - snmp_insert_ipaddridx_tree(netif); - snmp_insert_iprteidx_tree(0,netif); - - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: IP address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1_16(&netif->ip_addr), - ip4_addr2_16(&netif->ip_addr), - ip4_addr3_16(&netif->ip_addr), - ip4_addr4_16(&netif->ip_addr))); -} - -/** - * Change the default gateway for a network interface - * - * @param netif the network interface to change - * @param gw the new default gateway - * - * @note call netif_set_addr() if you also want to change ip address and netmask - */ -void -netif_set_gw(struct netif *netif, ip_addr_t *gw) -{ - ip_addr_set(&(netif->gw), gw); - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: GW address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1_16(&netif->gw), - ip4_addr2_16(&netif->gw), - ip4_addr3_16(&netif->gw), - ip4_addr4_16(&netif->gw))); -} - -/** - * Change the netmask of a network interface - * - * @param netif the network interface to change - * @param netmask the new netmask - * - * @note call netif_set_addr() if you also want to change ip address and - * default gateway - */ -void -netif_set_netmask(struct netif *netif, ip_addr_t *netmask) -{ - snmp_delete_iprteidx_tree(0, netif); - /* set new netmask to netif */ - ip_addr_set(&(netif->netmask), netmask); - snmp_insert_iprteidx_tree(0, netif); - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1_16(&netif->netmask), - ip4_addr2_16(&netif->netmask), - ip4_addr3_16(&netif->netmask), - ip4_addr4_16(&netif->netmask))); -} - -/** - * Set a network interface as the default network interface - * (used to output all packets for which no specific route is found) - * - * @param netif the default network interface - */ -void -netif_set_default(struct netif *netif) -{ - if (netif == NULL) { - /* remove default route */ - snmp_delete_iprteidx_tree(1, netif); - } else { - /* install default route */ - snmp_insert_iprteidx_tree(1, netif); - } - netif_default = netif; - LWIP_DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n", - netif ? netif->name[0] : '\'', netif ? netif->name[1] : '\'')); -} - -/** - * Bring an interface up, available for processing - * traffic. - * - * @note: Enabling DHCP on a down interface will make it come - * up once configured. - * - * @see dhcp_start() - */ -void netif_set_up(struct netif *netif) -{ - if (!(netif->flags & NETIF_FLAG_UP)) { - netif->flags |= NETIF_FLAG_UP; - -#if LWIP_SNMP - snmp_get_sysuptime(&netif->ts); -#endif /* LWIP_SNMP */ - - NETIF_STATUS_CALLBACK(netif); - - if (netif->flags & NETIF_FLAG_LINK_UP) { -#if LWIP_ARP - /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ - if (netif->flags & (NETIF_FLAG_ETHARP)) { - etharp_gratuitous(netif); - } -#endif /* LWIP_ARP */ - -#if LWIP_IGMP - /* resend IGMP memberships */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_report_groups( netif); - } -#endif /* LWIP_IGMP */ - } - } -} - -/** - * Bring an interface down, disabling any traffic processing. - * - * @note: Enabling DHCP on a down interface will make it come - * up once configured. - * - * @see dhcp_start() - */ -void netif_set_down(struct netif *netif) -{ - if (netif == NULL) { - return; - } - - if (netif->flags & NETIF_FLAG_UP) { - netif->flags &= ~NETIF_FLAG_UP; -#if LWIP_SNMP - snmp_get_sysuptime(&netif->ts); -#endif - -#if LWIP_ARP - if (netif->flags & NETIF_FLAG_ETHARP) { - etharp_cleanup_netif(netif); - } -#endif /* LWIP_ARP */ - NETIF_STATUS_CALLBACK(netif); - } -} - -#if LWIP_NETIF_STATUS_CALLBACK -/** - * Set callback to be called when interface is brought up/down - */ -void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback) -{ - if (netif) { - netif->status_callback = status_callback; - } -} -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -/** - * Called by a driver when its link goes up - */ -void netif_set_link_up(struct netif *netif ) -{ - if (!(netif->flags & NETIF_FLAG_LINK_UP)) { - netif->flags |= NETIF_FLAG_LINK_UP; - -#if LWIP_DHCP - if (netif->dhcp) { - dhcp_network_changed(netif); - } -#endif /* LWIP_DHCP */ - -#if LWIP_AUTOIP - if (netif->autoip) { - autoip_network_changed(netif); - } -#endif /* LWIP_AUTOIP */ - - if (netif->flags & NETIF_FLAG_UP) { -#if LWIP_ARP - /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ - if (netif->flags & NETIF_FLAG_ETHARP) { - etharp_gratuitous(netif); - } -#endif /* LWIP_ARP */ - -#if LWIP_IGMP - /* resend IGMP memberships */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_report_groups( netif); - } -#endif /* LWIP_IGMP */ - } - NETIF_LINK_CALLBACK(netif); - } -} - -/** - * Called by a driver when its link goes down - */ -void netif_set_link_down(struct netif *netif ) -{ - if (netif->flags & NETIF_FLAG_LINK_UP) { - netif->flags &= ~NETIF_FLAG_LINK_UP; - NETIF_LINK_CALLBACK(netif); - } -} - -#if LWIP_NETIF_LINK_CALLBACK -/** - * Set callback to be called when link is brought up/down - */ -void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback) -{ - if (netif) { - netif->link_callback = link_callback; - } -} -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -#if ENABLE_LOOPBACK -/** - * Send an IP packet to be received on the same netif (loopif-like). - * The pbuf is simply copied and handed back to netif->input. - * In multithreaded mode, this is done directly since netif->input must put - * the packet on a queue. - * In callback mode, the packet is put on an internal queue and is fed to - * netif->input by netif_poll(). - * - * @param netif the lwip network interface structure - * @param p the (IP) packet to 'send' - * @param ipaddr the ip address to send the packet to (not used) - * @return ERR_OK if the packet has been sent - * ERR_MEM if the pbuf used to copy the packet couldn't be allocated - */ -err_t -netif_loop_output(struct netif *netif, struct pbuf *p, - ip_addr_t *ipaddr) -{ - struct pbuf *r; - err_t err; - struct pbuf *last; -#if LWIP_LOOPBACK_MAX_PBUFS - u8_t clen = 0; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - /* If we have a loopif, SNMP counters are adjusted for it, - * if not they are adjusted for 'netif'. */ -#if LWIP_SNMP -#if LWIP_HAVE_LOOPIF - struct netif *stats_if = &loop_netif; -#else /* LWIP_HAVE_LOOPIF */ - struct netif *stats_if = netif; -#endif /* LWIP_HAVE_LOOPIF */ -#endif /* LWIP_SNMP */ - SYS_ARCH_DECL_PROTECT(lev); - LWIP_UNUSED_ARG(ipaddr); - - /* Allocate a new pbuf */ - r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM); - if (r == NULL) { - LINK_STATS_INC(link.memerr); - LINK_STATS_INC(link.drop); - snmp_inc_ifoutdiscards(stats_if); - return ERR_MEM; - } -#if LWIP_LOOPBACK_MAX_PBUFS - clen = pbuf_clen(r); - /* check for overflow or too many pbuf on queue */ - if(((netif->loop_cnt_current + clen) < netif->loop_cnt_current) || - ((netif->loop_cnt_current + clen) > LWIP_LOOPBACK_MAX_PBUFS)) { - pbuf_free(r); - LINK_STATS_INC(link.memerr); - LINK_STATS_INC(link.drop); - snmp_inc_ifoutdiscards(stats_if); - return ERR_MEM; - } - netif->loop_cnt_current += clen; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - - /* Copy the whole pbuf queue p into the single pbuf r */ - if ((err = pbuf_copy(r, p)) != ERR_OK) { - pbuf_free(r); - LINK_STATS_INC(link.memerr); - LINK_STATS_INC(link.drop); - snmp_inc_ifoutdiscards(stats_if); - return err; - } - - /* Put the packet on a linked list which gets emptied through calling - netif_poll(). */ - - /* let last point to the last pbuf in chain r */ - for (last = r; last->next != NULL; last = last->next); - - SYS_ARCH_PROTECT(lev); - if(netif->loop_first != NULL) { - LWIP_ASSERT("if first != NULL, last must also be != NULL", netif->loop_last != NULL); - netif->loop_last->next = r; - netif->loop_last = last; - } else { - netif->loop_first = r; - netif->loop_last = last; - } - SYS_ARCH_UNPROTECT(lev); - - LINK_STATS_INC(link.xmit); - snmp_add_ifoutoctets(stats_if, p->tot_len); - snmp_inc_ifoutucastpkts(stats_if); - -#if LWIP_NETIF_LOOPBACK_MULTITHREADING - /* For multithreading environment, schedule a call to netif_poll */ - tcpip_callback((tcpip_callback_fn)netif_poll, netif); -#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */ - - return ERR_OK; -} - -/** - * Call netif_poll() in the main loop of your application. This is to prevent - * reentering non-reentrant functions like tcp_input(). Packets passed to - * netif_loop_output() are put on a list that is passed to netif->input() by - * netif_poll(). - */ -void -netif_poll(struct netif *netif) -{ - struct pbuf *in; - /* If we have a loopif, SNMP counters are adjusted for it, - * if not they are adjusted for 'netif'. */ -#if LWIP_SNMP -#if LWIP_HAVE_LOOPIF - struct netif *stats_if = &loop_netif; -#else /* LWIP_HAVE_LOOPIF */ - struct netif *stats_if = netif; -#endif /* LWIP_HAVE_LOOPIF */ -#endif /* LWIP_SNMP */ - SYS_ARCH_DECL_PROTECT(lev); - - do { - /* Get a packet from the list. With SYS_LIGHTWEIGHT_PROT=1, this is protected */ - SYS_ARCH_PROTECT(lev); - in = netif->loop_first; - if (in != NULL) { - struct pbuf *in_end = in; -#if LWIP_LOOPBACK_MAX_PBUFS - u8_t clen = pbuf_clen(in); - /* adjust the number of pbufs on queue */ - LWIP_ASSERT("netif->loop_cnt_current underflow", - ((netif->loop_cnt_current - clen) < netif->loop_cnt_current)); - netif->loop_cnt_current -= clen; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - while (in_end->len != in_end->tot_len) { - LWIP_ASSERT("bogus pbuf: len != tot_len but next == NULL!", in_end->next != NULL); - in_end = in_end->next; - } - /* 'in_end' now points to the last pbuf from 'in' */ - if (in_end == netif->loop_last) { - /* this was the last pbuf in the list */ - netif->loop_first = netif->loop_last = NULL; - } else { - /* pop the pbuf off the list */ - netif->loop_first = in_end->next; - LWIP_ASSERT("should not be null since first != last!", netif->loop_first != NULL); - } - /* De-queue the pbuf from its successors on the 'loop_' list. */ - in_end->next = NULL; - } - SYS_ARCH_UNPROTECT(lev); - - if (in != NULL) { - LINK_STATS_INC(link.recv); - snmp_add_ifinoctets(stats_if, in->tot_len); - snmp_inc_ifinucastpkts(stats_if); - /* loopback packets are always IP packets! */ - if (ip_input(in, netif) != ERR_OK) { - pbuf_free(in); - } - /* Don't reference the packet any more! */ - in = NULL; - } - /* go on while there is a packet on the list */ - } while (netif->loop_first != NULL); -} - -#if !LWIP_NETIF_LOOPBACK_MULTITHREADING -/** - * Calls netif_poll() for every netif on the netif_list. - */ -void -netif_poll_all(void) -{ - struct netif *netif = netif_list; - /* loop through netifs */ - while (netif != NULL) { - netif_poll(netif); - /* proceed to next network interface */ - netif = netif->next; - } -} -#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ diff --git a/tools/sdk/lwip/src/core/pbuf.c b/tools/sdk/lwip/src/core/pbuf.c deleted file mode 100644 index 61967840d3..0000000000 --- a/tools/sdk/lwip/src/core/pbuf.c +++ /dev/null @@ -1,1257 +0,0 @@ -/** - * @file - * Packet buffer management - * - * Packets are built from the pbuf data structure. It supports dynamic - * memory allocation for packet contents or can reference externally - * managed packet contents both in RAM and ROM. Quick allocation for - * incoming packets is provided through pools with fixed sized pbufs. - * - * A packet may span over multiple pbufs, chained as a singly linked - * list. This is called a "pbuf chain". - * - * Multiple packets may be queued, also using this singly linked list. - * This is called a "packet queue". - * - * So, a packet queue consists of one or more pbuf chains, each of - * which consist of one or more pbufs. CURRENTLY, PACKET QUEUES ARE - * NOT SUPPORTED!!! Use helper structs to queue multiple packets. - * - * The differences between a pbuf chain and a packet queue are very - * precise but subtle. - * - * The last pbuf of a packet has a ->tot_len field that equals the - * ->len field. It can be found by traversing the list. If the last - * pbuf of a packet has a ->next field other than NULL, more packets - * are on the queue. - * - * Therefore, looping through a pbuf of a single packet, has an - * loop end condition (tot_len == p->len), NOT (next == NULL). - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/stats.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/sys.h" -#include "arch/perf.h" -#if TCP_QUEUE_OOSEQ -#include "lwip/tcp_impl.h" -#endif -#if LWIP_CHECKSUM_ON_COPY -#include "lwip/inet_chksum.h" -#endif - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -#ifdef EBUF_LWIP -#define EP_OFFSET 36 -#else -#define EP_OFFSET 0 -#endif /* ESF_LWIP */ - -#define SIZEOF_STRUCT_PBUF LWIP_MEM_ALIGN_SIZE(sizeof(struct pbuf)) -/* Since the pool is created in memp, PBUF_POOL_BUFSIZE will be automatically - aligned there. Therefore, PBUF_POOL_BUFSIZE_ALIGNED can be used here. */ -#define PBUF_POOL_BUFSIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE) - -/** - * Attempt to reclaim some memory from queued out-of-sequence TCP segments - * if we run out of pool pbufs. It's better to give priority to new packets - * if we're running out. - */ -#if TCP_QUEUE_OOSEQ -void ICACHE_FLASH_ATTR -pbuf_free_ooseq_new(void* arg) -{ - struct tcp_pcb* pcb; - struct tcp_seg *head = NULL; - struct tcp_seg *seg1 = NULL; - struct tcp_seg *seg2 = NULL; - for (pcb = tcp_active_pcbs; NULL != pcb; pcb = pcb->next) { - head = pcb->ooseq; - seg1 = head; - if (head != NULL) { - if (seg1->next == NULL){ - head = head->next; - tcp_seg_free(seg1); - pcb->ooseq = head; - } else { - while (seg1 != NULL){ - seg2 = seg1; - seg2 = seg2->next; - if (seg2 ->next == NULL){ - seg1->next = seg2->next; - tcp_seg_free(seg2); - break; - } - seg1 = seg1->next; - } - pcb->ooseq = head; - } - } - } -} -#endif - -#if !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS -#define PBUF_POOL_IS_EMPTY() -#else /* !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS */ -/** Define this to 0 to prevent freeing ooseq pbufs when the PBUF_POOL is empty */ -#ifndef PBUF_POOL_FREE_OOSEQ -#define PBUF_POOL_FREE_OOSEQ 1 -#endif /* PBUF_POOL_FREE_OOSEQ */ - -#if PBUF_POOL_FREE_OOSEQ -#include "lwip/tcpip.h" -#define PBUF_POOL_IS_EMPTY() pbuf_pool_is_empty() -static u8_t pbuf_free_ooseq_queued; -/** - * Attempt to reclaim some memory from queued out-of-sequence TCP segments - * if we run out of pool pbufs. It's better to give priority to new packets - * if we're running out. - * - * This must be done in the correct thread context therefore this function - * can only be used with NO_SYS=0 and through tcpip_callback. - */ -static void ICACHE_FLASH_ATTR -pbuf_free_ooseq(void* arg) -{ - struct tcp_pcb* pcb; - SYS_ARCH_DECL_PROTECT(old_level); - LWIP_UNUSED_ARG(arg); - - SYS_ARCH_PROTECT(old_level); - pbuf_free_ooseq_queued = 0; - SYS_ARCH_UNPROTECT(old_level); - - for (pcb = tcp_active_pcbs; NULL != pcb; pcb = pcb->next) { - if (NULL != pcb->ooseq) { - /** Free the ooseq pbufs of one PCB only */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free_ooseq: freeing out-of-sequence pbufs\n")); - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; - return; - } - } -} - -/** Queue a call to pbuf_free_ooseq if not already queued. */ -static void ICACHE_FLASH_ATTR -pbuf_pool_is_empty(void) -{ - u8_t queued; - SYS_ARCH_DECL_PROTECT(old_level); - - SYS_ARCH_PROTECT(old_level); - queued = pbuf_free_ooseq_queued; - pbuf_free_ooseq_queued = 1; - SYS_ARCH_UNPROTECT(old_level); - - if(!queued) { - /* queue a call to pbuf_free_ooseq if not already queued */ - if(tcpip_callback_with_block(pbuf_free_ooseq, NULL, 0) != ERR_OK) { - SYS_ARCH_PROTECT(old_level); - pbuf_free_ooseq_queued = 0; - SYS_ARCH_UNPROTECT(old_level); - } - } -} -#endif /* PBUF_POOL_FREE_OOSEQ */ -#endif /* !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS */ - -/** - * Allocates a pbuf of the given type (possibly a chain for PBUF_POOL type). - * - * The actual memory allocated for the pbuf is determined by the - * layer at which the pbuf is allocated and the requested size - * (from the size parameter). - * - * @param layer flag to define header size - * @param length size of the pbuf's payload - * @param type this parameter decides how and where the pbuf - * should be allocated as follows: - * - * - PBUF_RAM: buffer memory for pbuf is allocated as one large - * chunk. This includes protocol headers as well. - * - PBUF_ROM: no buffer memory is allocated for the pbuf, even for - * protocol headers. Additional headers must be prepended - * by allocating another pbuf and chain in to the front of - * the ROM pbuf. It is assumed that the memory used is really - * similar to ROM in that it is immutable and will not be - * changed. Memory which is dynamic should generally not - * be attached to PBUF_ROM pbufs. Use PBUF_REF instead. - * - PBUF_REF: no buffer memory is allocated for the pbuf, even for - * protocol headers. It is assumed that the pbuf is only - * being used in a single thread. If the pbuf gets queued, - * then pbuf_take should be called to copy the buffer. - * - PBUF_POOL: the pbuf is allocated as a pbuf chain, with pbufs from - * the pbuf pool that is allocated during pbuf_init(). - * - * @return the allocated pbuf. If multiple pbufs where allocated, this - * is the first pbuf of a pbuf chain. - */ -struct pbuf * -pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type) -{ - struct pbuf *p, *q, *r; - u16_t offset; - s32_t rem_len; /* remaining length */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F")\n", length)); - - /* determine header offset */ - offset = 0; - switch (layer) { - case PBUF_TRANSPORT: - /* add room for transport (often TCP) layer header */ - offset += PBUF_TRANSPORT_HLEN; - /* FALLTHROUGH */ - case PBUF_IP: - /* add room for IP layer header */ - offset += PBUF_IP_HLEN; - /* FALLTHROUGH */ - case PBUF_LINK: - /* add room for link layer header */ - offset += PBUF_LINK_HLEN; - -#ifdef PBUF_RSV_FOR_WLAN - /* - * 1. LINK_HLEN 14Byte will be remove in WLAN layer - * 2. IEEE80211_HDR_MAX_LEN needs 40 bytes. - * 3. encryption needs exra 4 bytes ahead of actual data payload, and require - * DAddr and SAddr to be 4-byte aligned. - * 4. TRANSPORT and IP are all 20, 4 bytes aligned, nice... - * 5. LCC add 6 bytes more, We don't consider WAPI yet... - * 6. define LWIP_MEM_ALIGN to be 4 Byte aligned, pbuf struct is 16B, Only thing may be - * matter is ether_hdr is not 4B aligned. - * - * So, we need extra (40 + 4 - 14) = 30 and it's happen to be 4-Byte aligned - * - * 1. lwip - * | empty 30B | eth_hdr (14B) | payload ...| - * total: 44B ahead payload - * 2. net80211 - * | max 80211 hdr, 32B | ccmp/tkip iv (8B) | sec rsv(4B) | payload ...| - * total: 40B ahead sec_rsv and 44B ahead payload - * - */ - offset += EP_OFFSET; //remove LINK hdr in wlan -#endif /* PBUF_RSV_FOR_WLAN */ - - break; - case PBUF_RAW: -#ifdef PBUF_RSV_FOR_WLAN - /* - * RAW pbuf suppose - */ - offset += EP_OFFSET; //remove LINK hdr in wlan -#endif /* PBUF_RAW */ - break; - default: - LWIP_ASSERT("pbuf_alloc: bad pbuf layer", 0); - return NULL; - } - - switch (type) { - case PBUF_POOL: - /* allocate head of pbuf chain into p */ - p = (struct pbuf *)memp_malloc(MEMP_PBUF_POOL); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc: allocated pbuf %p\n", (void *)p)); - if (p == NULL) { - PBUF_POOL_IS_EMPTY(); - return NULL; - } - p->type = type; - p->next = NULL; - - /* make the payload pointer point 'offset' bytes into pbuf data memory */ - p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + (SIZEOF_STRUCT_PBUF + offset))); - LWIP_ASSERT("pbuf_alloc: pbuf p->payload properly aligned", - ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0); - /* the total length of the pbuf chain is the requested size */ - p->tot_len = length; - /* set the length of the first pbuf in the chain */ - p->len = LWIP_MIN(length, PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)); - LWIP_ASSERT("check p->payload + p->len does not overflow pbuf", - ((u8_t*)p->payload + p->len <= - (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED)); - LWIP_ASSERT("PBUF_POOL_BUFSIZE must be bigger than MEM_ALIGNMENT", - (PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)) > 0 ); - /* set reference count (needed here in case we fail) */ - p->ref = 1; - - /* now allocate the tail of the pbuf chain */ - - /* remember first pbuf for linkage in next iteration */ - r = p; - /* remaining length to be allocated */ - rem_len = length - p->len; - /* any remaining pbufs to be allocated? */ - while (rem_len > 0) { - q = (struct pbuf *)memp_malloc(MEMP_PBUF_POOL); - if (q == NULL) { - PBUF_POOL_IS_EMPTY(); - /* free chain so far allocated */ - pbuf_free(p); - /* bail out unsuccesfully */ - return NULL; - } - q->type = type; - q->flags = 0; - q->next = NULL; - /* make previous pbuf point to this pbuf */ - r->next = q; - /* set total length of this pbuf and next in chain */ - LWIP_ASSERT("rem_len < max_u16_t", rem_len < 0xffff); - q->tot_len = (u16_t)rem_len; - /* this pbuf length is pool size, unless smaller sized tail */ - q->len = LWIP_MIN((u16_t)rem_len, PBUF_POOL_BUFSIZE_ALIGNED); - q->payload = (void *)((u8_t *)q + SIZEOF_STRUCT_PBUF); - LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned", - ((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0); - LWIP_ASSERT("check p->payload + p->len does not overflow pbuf", - ((u8_t*)p->payload + p->len <= - (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED)); - q->ref = 1; - /* calculate remaining length to be allocated */ - rem_len -= q->len; - /* remember this pbuf for linkage in next iteration */ - r = q; - } - /* end of chain */ - /*r->next = NULL;*/ - - break; - case PBUF_RAM: - /* If pbuf is to be allocated in RAM, allocate memory for it. */ - p = (struct pbuf*)mem_malloc(LWIP_MEM_ALIGN_SIZE(SIZEOF_STRUCT_PBUF + offset) + LWIP_MEM_ALIGN_SIZE(length)); - if (p == NULL) { - return NULL; - } - /* Set up internal structure of the pbuf. */ - p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF + offset)); - p->len = p->tot_len = length; - p->next = NULL; - p->type = type; - p->eb = NULL; - - LWIP_ASSERT("pbuf_alloc: pbuf->payload properly aligned", - ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0); - break; -#ifdef EBUF_LWIP - case PBUF_ESF_RX: -#endif /* ESF_LWIP */ - /* pbuf references existing (non-volatile static constant) ROM payload? */ - case PBUF_ROM: - /* pbuf references existing (externally allocated) RAM payload? */ - case PBUF_REF: - /* only allocate memory for the pbuf structure */ - p = (struct pbuf *)memp_malloc(MEMP_PBUF); - if (p == NULL) { - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_alloc: Could not allocate MEMP_PBUF for PBUF_%s.\n", - (type == PBUF_ROM) ? "ROM" : "REF")); - return NULL; - } - /* caller must set this field properly, afterwards */ - p->payload = NULL; - p->len = p->tot_len = length; - p->next = NULL; - p->type = type; - break; - default: - LWIP_ASSERT("pbuf_alloc: erroneous type", 0); - return NULL; - } - /* set reference count */ - p->ref = 1; - /* set flags */ - p->flags = 0; - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F") == %p\n", length, (void *)p)); - - return p; -} - -#if LWIP_SUPPORT_CUSTOM_PBUF -/** Initialize a custom pbuf (already allocated). - * - * @param layer flag to define header size - * @param length size of the pbuf's payload - * @param type type of the pbuf (only used to treat the pbuf accordingly, as - * this function allocates no memory) - * @param p pointer to the custom pbuf to initialize (already allocated) - * @param payload_mem pointer to the buffer that is used for payload and headers, - * must be at least big enough to hold 'length' plus the header size, - * may be NULL if set later - * @param payload_mem_len the size of the 'payload_mem' buffer, must be at least - * big enough to hold 'length' plus the header size - */ -struct pbuf* -pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type, struct pbuf_custom *p, - void *payload_mem, u16_t payload_mem_len) -{ - u16_t offset; - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloced_custom(length=%"U16_F")\n", length)); - - /* determine header offset */ - offset = 0; - switch (l) { - case PBUF_TRANSPORT: - /* add room for transport (often TCP) layer header */ - offset += PBUF_TRANSPORT_HLEN; - /* FALLTHROUGH */ - case PBUF_IP: - /* add room for IP layer header */ - offset += PBUF_IP_HLEN; - /* FALLTHROUGH */ - case PBUF_LINK: - /* add room for link layer header */ - offset += PBUF_LINK_HLEN; - break; - case PBUF_RAW: - break; - default: - LWIP_ASSERT("pbuf_alloced_custom: bad pbuf layer", 0); - return NULL; - } - - if (LWIP_MEM_ALIGN_SIZE(offset) + length < payload_mem_len) { - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_WARNING, ("pbuf_alloced_custom(length=%"U16_F") buffer too short\n", length)); - return NULL; - } - - p->pbuf.next = NULL; - if (payload_mem != NULL) { - p->pbuf.payload = LWIP_MEM_ALIGN((void *)((u8_t *)payload_mem + offset)); - } else { - p->pbuf.payload = NULL; - } - p->pbuf.flags = PBUF_FLAG_IS_CUSTOM; - p->pbuf.len = p->pbuf.tot_len = length; - p->pbuf.type = type; - p->pbuf.ref = 1; - return &p->pbuf; -} -#endif /* LWIP_SUPPORT_CUSTOM_PBUF */ - -/** - * Shrink a pbuf chain to a desired length. - * - * @param p pbuf to shrink. - * @param new_len desired new length of pbuf chain - * - * Depending on the desired length, the first few pbufs in a chain might - * be skipped and left unchanged. The new last pbuf in the chain will be - * resized, and any remaining pbufs will be freed. - * - * @note If the pbuf is ROM/REF, only the ->tot_len and ->len fields are adjusted. - * @note May not be called on a packet queue. - * - * @note Despite its name, pbuf_realloc cannot grow the size of a pbuf (chain). - */ -void -pbuf_realloc(struct pbuf *p, u16_t new_len) -{ - struct pbuf *q; - u16_t rem_len; /* remaining length */ - s32_t grow; - - LWIP_ASSERT("pbuf_realloc: p != NULL", p != NULL); - LWIP_ASSERT("pbuf_realloc: sane p->type", p->type == PBUF_POOL || - p->type == PBUF_ROM || - p->type == PBUF_RAM || - p->type == PBUF_REF); - - /* desired length larger than current length? */ - if (new_len >= p->tot_len) { - /* enlarging not yet supported */ - return; - } - - /* the pbuf chain grows by (new_len - p->tot_len) bytes - * (which may be negative in case of shrinking) */ - grow = new_len - p->tot_len; - - /* first, step over any pbufs that should remain in the chain */ - rem_len = new_len; - q = p; - /* should this pbuf be kept? */ - while (rem_len > q->len) { - /* decrease remaining length by pbuf length */ - rem_len -= q->len; - /* decrease total length indicator */ - LWIP_ASSERT("grow < max_u16_t", grow < 0xffff); - q->tot_len += (u16_t)grow; - /* proceed to next pbuf in chain */ - q = q->next; - LWIP_ASSERT("pbuf_realloc: q != NULL", q != NULL); - } - /* we have now reached the new last pbuf (in q) */ - /* rem_len == desired length for pbuf q */ - - /* shrink allocated memory for PBUF_RAM */ - /* (other types merely adjust their length fields */ - if ((q->type == PBUF_RAM) && (rem_len != q->len)) { - /* reallocate and adjust the length of the pbuf that will be split */ - q = (struct pbuf *)mem_trim(q, (u16_t)((u8_t *)q->payload - (u8_t *)q) + rem_len); - LWIP_ASSERT("mem_trim returned q == NULL", q != NULL); - } - /* adjust length fields for new last pbuf */ - q->len = rem_len; - q->tot_len = q->len; - - /* any remaining pbufs in chain? */ - if (q->next != NULL) { - /* free remaining pbufs in chain */ - pbuf_free(q->next); - } - /* q is last packet in chain */ - q->next = NULL; - -} - -/** - * Adjusts the payload pointer to hide or reveal headers in the payload. - * - * Adjusts the ->payload pointer so that space for a header - * (dis)appears in the pbuf payload. - * - * The ->payload, ->tot_len and ->len fields are adjusted. - * - * @param p pbuf to change the header size. - * @param header_size_increment Number of bytes to increment header size which - * increases the size of the pbuf. New space is on the front. - * (Using a negative value decreases the header size.) - * If hdr_size_inc is 0, this function does nothing and returns succesful. - * - * PBUF_ROM and PBUF_REF type buffers cannot have their sizes increased, so - * the call will fail. A check is made that the increase in header size does - * not move the payload pointer in front of the start of the buffer. - * @return non-zero on failure, zero on success. - * - */ -u8_t -pbuf_header(struct pbuf *p, s16_t header_size_increment) -{ - u16_t type; - void *payload; - u16_t increment_magnitude; - - LWIP_ASSERT("p != NULL", p != NULL); - if ((header_size_increment == 0) || (p == NULL)) { - return 0; - } - - if (header_size_increment < 0){ - increment_magnitude = -header_size_increment; - /* Check that we aren't going to move off the end of the pbuf */ - LWIP_ERROR("increment_magnitude <= p->len", (increment_magnitude <= p->len), return 1;); - } else { - increment_magnitude = header_size_increment; -#if 0 - /* Can't assert these as some callers speculatively call - pbuf_header() to see if it's OK. Will return 1 below instead. */ - /* Check that we've got the correct type of pbuf to work with */ - LWIP_ASSERT("p->type == PBUF_RAM || p->type == PBUF_POOL", - p->type == PBUF_RAM || p->type == PBUF_POOL); - /* Check that we aren't going to move off the beginning of the pbuf */ - LWIP_ASSERT("p->payload - increment_magnitude >= p + SIZEOF_STRUCT_PBUF", - (u8_t *)p->payload - increment_magnitude >= (u8_t *)p + SIZEOF_STRUCT_PBUF); -#endif - } - - type = p->type; - /* remember current payload pointer */ - payload = p->payload; - - /* pbuf types containing payloads? */ - if (type == PBUF_RAM || type == PBUF_POOL) { - /* set new payload pointer */ - p->payload = (u8_t *)p->payload - header_size_increment; - /* boundary check fails? */ - if ((u8_t *)p->payload < (u8_t *)p + SIZEOF_STRUCT_PBUF + EP_OFFSET) { - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_header: failed as %p < %p (not enough space for new header size)\n", - (void *)p->payload, (void *)(p + 1))); - /* restore old payload pointer */ - p->payload = payload; - /* bail out unsuccesfully */ - return 1; - } - /* pbuf types refering to external payloads? */ - } else if (type == PBUF_REF || type == PBUF_ROM) { - /* hide a header in the payload? */ - if ((header_size_increment < 0) && (increment_magnitude <= p->len)) { - /* increase payload pointer */ - p->payload = (u8_t *)p->payload - header_size_increment; - } else { - /* cannot expand payload to front (yet!) - * bail out unsuccesfully */ - if (type == PBUF_REF) { - /* increase payload pointer */ - p->payload = (u8_t *)p->payload - header_size_increment; - } else { - return 1; - } - } - } else { - /* Unknown type */ - LWIP_ASSERT("bad pbuf type", 0); - return 1; - } - /* modify pbuf length fields */ - p->len += header_size_increment; - p->tot_len += header_size_increment; - - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_header: old %p new %p (%"S16_F")\n", - (void *)payload, (void *)p->payload, header_size_increment)); - - return 0; -} - -/** - * Dereference a pbuf chain or queue and deallocate any no-longer-used - * pbufs at the head of this chain or queue. - * - * Decrements the pbuf reference count. If it reaches zero, the pbuf is - * deallocated. - * - * For a pbuf chain, this is repeated for each pbuf in the chain, - * up to the first pbuf which has a non-zero reference count after - * decrementing. So, when all reference counts are one, the whole - * chain is free'd. - * - * @param p The pbuf (chain) to be dereferenced. - * - * @return the number of pbufs that were de-allocated - * from the head of the chain. - * - * @note MUST NOT be called on a packet queue (Not verified to work yet). - * @note the reference counter of a pbuf equals the number of pointers - * that refer to the pbuf (or into the pbuf). - * - * @internal examples: - * - * Assuming existing chains a->b->c with the following reference - * counts, calling pbuf_free(a) results in: - * - * 1->2->3 becomes ...1->3 - * 3->3->3 becomes 2->3->3 - * 1->1->2 becomes ......1 - * 2->1->1 becomes 1->1->1 - * 1->1->1 becomes ....... - * - */ -u8_t -pbuf_free(struct pbuf *p) -{ - u16_t type; - struct pbuf *q; - u8_t count; - - if (p == NULL) { - LWIP_ASSERT("p != NULL", p != NULL); - /* if assertions are disabled, proceed with debug output */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_free(p == NULL) was called.\n")); - return 0; - } - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free(%p)\n", (void *)p)); - - PERF_START; - - LWIP_ASSERT("pbuf_free: sane type", - p->type == PBUF_RAM || p->type == PBUF_ROM || - p->type == PBUF_REF || p->type == PBUF_POOL -#ifdef EBUF_LWIP - || p->type == PBUF_ESF_RX -#endif //EBUF_LWIP - ); - - count = 0; - /* de-allocate all consecutive pbufs from the head of the chain that - * obtain a zero reference count after decrementing*/ - while (p != NULL) { - u16_t ref; - SYS_ARCH_DECL_PROTECT(old_level); - /* Since decrementing ref cannot be guaranteed to be a single machine operation - * we must protect it. We put the new ref into a local variable to prevent - * further protection. */ - SYS_ARCH_PROTECT(old_level); - /* all pbufs in a chain are referenced at least once */ - LWIP_ASSERT("pbuf_free: p->ref > 0", p->ref > 0); - /* decrease reference count (number of pointers to pbuf) */ - ref = --(p->ref); - SYS_ARCH_UNPROTECT(old_level); - /* this pbuf is no longer referenced to? */ - if (ref == 0) { - /* remember next pbuf in chain for next iteration */ - q = p->next; - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: deallocating %p\n", (void *)p)); - type = p->type; -#if LWIP_SUPPORT_CUSTOM_PBUF - /* is this a custom pbuf? */ - if ((p->flags & PBUF_FLAG_IS_CUSTOM) != 0) { - struct pbuf_custom *pc = (struct pbuf_custom*)p; - LWIP_ASSERT("pc->custom_free_function != NULL", pc->custom_free_function != NULL); - pc->custom_free_function(p); - } else -#endif /* LWIP_SUPPORT_CUSTOM_PBUF */ - { - /* is this a pbuf from the pool? */ - if (type == PBUF_POOL) { - memp_free(MEMP_PBUF_POOL, p); - /* is this a ROM or RAM referencing pbuf? */ - } else if (type == PBUF_ROM || type == PBUF_REF -#ifdef EBUF_LWIP - || type == PBUF_ESF_RX -#endif //EBUF_LWIP - ) { -#ifdef EBUF_LWIP - system_pp_recycle_rx_pkt(p->eb); -#endif //EBUF_LWIP - memp_free(MEMP_PBUF, p); - /* type == PBUF_RAM */ - } else { - mem_free(p); - } - } - count++; - /* proceed to next pbuf */ - p = q; - /* p->ref > 0, this pbuf is still referenced to */ - /* (and so the remaining pbufs in chain as well) */ - } else { - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: %p has ref %"U16_F", ending here.\n", (void *)p, ref)); - /* stop walking through the chain */ - p = NULL; - } - } - PERF_STOP("pbuf_free"); - /* return number of de-allocated pbufs */ - return count; -} - -/** - * Count number of pbufs in a chain - * - * @param p first pbuf of chain - * @return the number of pbufs in a chain - */ - -u8_t -pbuf_clen(struct pbuf *p) -{ - u8_t len; - - len = 0; - while (p != NULL) { - ++len; - p = p->next; - } - return len; -} - -/** - * Increment the reference count of the pbuf. - * - * @param p pbuf to increase reference counter of - * - */ -void -pbuf_ref(struct pbuf *p) -{ - SYS_ARCH_DECL_PROTECT(old_level); - /* pbuf given? */ - if (p != NULL) { - SYS_ARCH_PROTECT(old_level); - ++(p->ref); - SYS_ARCH_UNPROTECT(old_level); - } -} - -/** - * Concatenate two pbufs (each may be a pbuf chain) and take over - * the caller's reference of the tail pbuf. - * - * @note The caller MAY NOT reference the tail pbuf afterwards. - * Use pbuf_chain() for that purpose. - * - * @see pbuf_chain() - */ - -void -pbuf_cat(struct pbuf *h, struct pbuf *t) -{ - struct pbuf *p; - - LWIP_ERROR("(h != NULL) && (t != NULL) (programmer violates API)", - ((h != NULL) && (t != NULL)), return;); - - /* proceed to last pbuf of chain */ - for (p = h; p->next != NULL; p = p->next) { - /* add total length of second chain to all totals of first chain */ - p->tot_len += t->tot_len; - } - /* { p is last pbuf of first h chain, p->next == NULL } */ - LWIP_ASSERT("p->tot_len == p->len (of last pbuf in chain)", p->tot_len == p->len); - LWIP_ASSERT("p->next == NULL", p->next == NULL); - /* add total length of second chain to last pbuf total of first chain */ - p->tot_len += t->tot_len; - /* chain last pbuf of head (p) with first of tail (t) */ - p->next = t; - /* p->next now references t, but the caller will drop its reference to t, - * so netto there is no change to the reference count of t. - */ -} - -/** - * Chain two pbufs (or pbuf chains) together. - * - * The caller MUST call pbuf_free(t) once it has stopped - * using it. Use pbuf_cat() instead if you no longer use t. - * - * @param h head pbuf (chain) - * @param t tail pbuf (chain) - * @note The pbufs MUST belong to the same packet. - * @note MAY NOT be called on a packet queue. - * - * The ->tot_len fields of all pbufs of the head chain are adjusted. - * The ->next field of the last pbuf of the head chain is adjusted. - * The ->ref field of the first pbuf of the tail chain is adjusted. - * - */ -void -pbuf_chain(struct pbuf *h, struct pbuf *t) -{ - pbuf_cat(h, t); - /* t is now referenced by h */ - pbuf_ref(t); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_chain: %p references %p\n", (void *)h, (void *)t)); -} - -/** - * Dechains the first pbuf from its succeeding pbufs in the chain. - * - * Makes p->tot_len field equal to p->len. - * @param p pbuf to dechain - * @return remainder of the pbuf chain, or NULL if it was de-allocated. - * @note May not be called on a packet queue. - */ -struct pbuf * -pbuf_dechain(struct pbuf *p) -{ - struct pbuf *q; - u8_t tail_gone = 1; - /* tail */ - q = p->next; - /* pbuf has successor in chain? */ - if (q != NULL) { - /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */ - LWIP_ASSERT("p->tot_len == p->len + q->tot_len", q->tot_len == p->tot_len - p->len); - /* enforce invariant if assertion is disabled */ - q->tot_len = p->tot_len - p->len; - /* decouple pbuf from remainder */ - p->next = NULL; - /* total length of pbuf p is its own length only */ - p->tot_len = p->len; - /* q is no longer referenced by p, free it */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_dechain: unreferencing %p\n", (void *)q)); - tail_gone = pbuf_free(q); - if (tail_gone > 0) { - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, - ("pbuf_dechain: deallocated %p (as it is no longer referenced)\n", (void *)q)); - } - /* return remaining tail or NULL if deallocated */ - } - /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */ - LWIP_ASSERT("p->tot_len == p->len", p->tot_len == p->len); - return ((tail_gone > 0) ? NULL : q); -} - -/** - * - * Create PBUF_RAM copies of pbufs. - * - * Used to queue packets on behalf of the lwIP stack, such as - * ARP based queueing. - * - * @note You MUST explicitly use p = pbuf_take(p); - * - * @note Only one packet is copied, no packet queue! - * - * @param p_to pbuf destination of the copy - * @param p_from pbuf source of the copy - * - * @return ERR_OK if pbuf was copied - * ERR_ARG if one of the pbufs is NULL or p_to is not big - * enough to hold p_from - */ -err_t -pbuf_copy(struct pbuf *p_to, struct pbuf *p_from) -{ - u16_t offset_to=0, offset_from=0, len; - - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy(%p, %p)\n", - (void*)p_to, (void*)p_from)); - - /* is the target big enough to hold the source? */ - LWIP_ERROR("pbuf_copy: target not big enough to hold source", ((p_to != NULL) && - (p_from != NULL) && (p_to->tot_len >= p_from->tot_len)), return ERR_ARG;); - - /* iterate through pbuf chain */ - do - { - LWIP_ASSERT("p_to != NULL", p_to != NULL); - /* copy one part of the original chain */ - if ((p_to->len - offset_to) >= (p_from->len - offset_from)) { - /* complete current p_from fits into current p_to */ - len = p_from->len - offset_from; - } else { - /* current p_from does not fit into current p_to */ - len = p_to->len - offset_to; - } - MEMCPY((u8_t*)p_to->payload + offset_to, (u8_t*)p_from->payload + offset_from, len); - offset_to += len; - offset_from += len; - LWIP_ASSERT("offset_to <= p_to->len", offset_to <= p_to->len); - if (offset_to == p_to->len) { - /* on to next p_to (if any) */ - offset_to = 0; - p_to = p_to->next; - } - LWIP_ASSERT("offset_from <= p_from->len", offset_from <= p_from->len); - if (offset_from >= p_from->len) { - /* on to next p_from (if any) */ - offset_from = 0; - p_from = p_from->next; - } - - if((p_from != NULL) && (p_from->len == p_from->tot_len)) { - /* don't copy more than one packet! */ - LWIP_ERROR("pbuf_copy() does not allow packet queues!\n", - (p_from->next == NULL), return ERR_VAL;); - } - if((p_to != NULL) && (p_to->len == p_to->tot_len)) { - /* don't copy more than one packet! */ - LWIP_ERROR("pbuf_copy() does not allow packet queues!\n", - (p_to->next == NULL), return ERR_VAL;); - } - } while (p_from); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy: end of chain reached.\n")); - return ERR_OK; -} - -/** - * Copy (part of) the contents of a packet buffer - * to an application supplied buffer. - * - * @param buf the pbuf from which to copy data - * @param dataptr the application supplied buffer - * @param len length of data to copy (dataptr must be big enough). No more - * than buf->tot_len will be copied, irrespective of len - * @param offset offset into the packet buffer from where to begin copying len bytes - * @return the number of bytes copied, or 0 on failure - */ -u16_t -pbuf_copy_partial(struct pbuf *buf, void *dataptr, u16_t len, u16_t offset) -{ - struct pbuf *p; - u16_t left; - u16_t buf_copy_len; - u16_t copied_total = 0; - - LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;); - LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;); - - left = 0; - - if((buf == NULL) || (dataptr == NULL)) { - return 0; - } - - /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */ - for(p = buf; len != 0 && p != NULL; p = p->next) { - if ((offset != 0) && (offset >= p->len)) { - /* don't copy from this buffer -> on to the next */ - offset -= p->len; - } else { - /* copy from this buffer. maybe only partially. */ - buf_copy_len = p->len - offset; - if (buf_copy_len > len) - buf_copy_len = len; - /* copy the necessary parts of the buffer */ - MEMCPY(&((char*)dataptr)[left], &((char*)p->payload)[offset], buf_copy_len); - copied_total += buf_copy_len; - left += buf_copy_len; - len -= buf_copy_len; - offset = 0; - } - } - return copied_total; -} - -/** - * Copy application supplied data into a pbuf. - * This function can only be used to copy the equivalent of buf->tot_len data. - * - * @param buf pbuf to fill with data - * @param dataptr application supplied data buffer - * @param len length of the application supplied data buffer - * - * @return ERR_OK if successful, ERR_MEM if the pbuf is not big enough - */ -err_t -pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len) -{ - struct pbuf *p; - u16_t buf_copy_len; - u16_t total_copy_len = len; - u16_t copied_total = 0; - - LWIP_ERROR("pbuf_take: invalid buf", (buf != NULL), return 0;); - LWIP_ERROR("pbuf_take: invalid dataptr", (dataptr != NULL), return 0;); - - if ((buf == NULL) || (dataptr == NULL) || (buf->tot_len < len)) { - return ERR_ARG; - } - - /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */ - for(p = buf; total_copy_len != 0; p = p->next) { - LWIP_ASSERT("pbuf_take: invalid pbuf", p != NULL); - buf_copy_len = total_copy_len; - if (buf_copy_len > p->len) { - /* this pbuf cannot hold all remaining data */ - buf_copy_len = p->len; - } - /* copy the necessary parts of the buffer */ - MEMCPY(p->payload, &((char*)dataptr)[copied_total], buf_copy_len); - total_copy_len -= buf_copy_len; - copied_total += buf_copy_len; - } - LWIP_ASSERT("did not copy all data", total_copy_len == 0 && copied_total == len); - return ERR_OK; -} - -/** - * Creates a single pbuf out of a queue of pbufs. - * - * @remark: Either the source pbuf 'p' is freed by this function or the original - * pbuf 'p' is returned, therefore the caller has to check the result! - * - * @param p the source pbuf - * @param layer pbuf_layer of the new pbuf - * - * @return a new, single pbuf (p->next is NULL) - * or the old pbuf if allocation fails - */ -struct pbuf* -pbuf_coalesce(struct pbuf *p, pbuf_layer layer) -{ - struct pbuf *q; - err_t err; - if (p->next == NULL) { - return p; - } - q = pbuf_alloc(layer, p->tot_len, PBUF_RAM); - if (q == NULL) { - /* @todo: what do we do now? */ - return p; - } - err = pbuf_copy(q, p); - LWIP_ASSERT("pbuf_copy failed", err == ERR_OK); - pbuf_free(p); - return q; -} - -#if LWIP_CHECKSUM_ON_COPY -/** - * Copies data into a single pbuf (*not* into a pbuf queue!) and updates - * the checksum while copying - * - * @param p the pbuf to copy data into - * @param start_offset offset of p->payload where to copy the data to - * @param dataptr data to copy into the pbuf - * @param len length of data to copy into the pbuf - * @param chksum pointer to the checksum which is updated - * @return ERR_OK if successful, another error if the data does not fit - * within the (first) pbuf (no pbuf queues!) - */ -err_t -pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr, - u16_t len, u16_t *chksum) -{ - u32_t acc; - u16_t copy_chksum; - char *dst_ptr; - LWIP_ASSERT("p != NULL", p != NULL); - LWIP_ASSERT("dataptr != NULL", dataptr != NULL); - LWIP_ASSERT("chksum != NULL", chksum != NULL); - LWIP_ASSERT("len != 0", len != 0); - - if ((start_offset >= p->len) || (start_offset + len > p->len)) { - return ERR_ARG; - } - - dst_ptr = ((char*)p->payload) + start_offset; - copy_chksum = LWIP_CHKSUM_COPY(dst_ptr, dataptr, len); - if ((start_offset & 1) != 0) { - copy_chksum = SWAP_BYTES_IN_WORD(copy_chksum); - } - acc = *chksum; - acc += copy_chksum; - *chksum = FOLD_U32T(acc); - return ERR_OK; -} -#endif /* LWIP_CHECKSUM_ON_COPY */ - - /** Get one byte from the specified position in a pbuf - * WARNING: returns zero for offset >= p->tot_len - * - * @param p pbuf to parse - * @param offset offset into p of the byte to return - * @return byte at an offset into p OR ZERO IF 'offset' >= p->tot_len - */ -u8_t -pbuf_get_at(struct pbuf* p, u16_t offset) -{ - u16_t copy_from = offset; - struct pbuf* q = p; - - /* get the correct pbuf */ - while ((q != NULL) && (q->len <= copy_from)) { - copy_from -= q->len; - q = q->next; - } - /* return requested data if pbuf is OK */ - if ((q != NULL) && (q->len > copy_from)) { - return ((u8_t*)q->payload)[copy_from]; - } - return 0; -} - -/** Compare pbuf contents at specified offset with memory s2, both of length n - * - * @param p pbuf to compare - * @param offset offset into p at wich to start comparing - * @param s2 buffer to compare - * @param n length of buffer to compare - * @return zero if equal, nonzero otherwise - * (0xffff if p is too short, diffoffset+1 otherwise) - */ -u16_t -pbuf_memcmp(struct pbuf* p, u16_t offset, const void* s2, u16_t n) -{ - u16_t start = offset; - struct pbuf* q = p; - - /* get the correct pbuf */ - while ((q != NULL) && (q->len <= start)) { - start -= q->len; - q = q->next; - } - /* return requested data if pbuf is OK */ - if ((q != NULL) && (q->len > start)) { - u16_t i; - for(i = 0; i < n; i++) { - u8_t a = pbuf_get_at(q, start + i); - u8_t b = ((u8_t*)s2)[i]; - if (a != b) { - return i+1; - } - } - return 0; - } - return 0xffff; -} - -/** Find occurrence of mem (with length mem_len) in pbuf p, starting at offset - * start_offset. - * - * @param p pbuf to search, maximum length is 0xFFFE since 0xFFFF is used as - * return value 'not found' - * @param mem search for the contents of this buffer - * @param mem_len length of 'mem' - * @param start_offset offset into p at which to start searching - * @return 0xFFFF if substr was not found in p or the index where it was found - */ -u16_t -pbuf_memfind(struct pbuf* p, const void* mem, u16_t mem_len, u16_t start_offset) -{ - u16_t i; - u16_t max = p->tot_len - mem_len; - if (p->tot_len >= mem_len + start_offset) { - for(i = start_offset; i <= max; ) { - u16_t plus = pbuf_memcmp(p, i, mem, mem_len); - if (plus == 0) { - return i; - } else { - i += plus; - } - } - } - return 0xFFFF; -} - -/** Find occurrence of substr with length substr_len in pbuf p, start at offset - * start_offset - * WARNING: in contrast to strstr(), this one does not stop at the first \0 in - * the pbuf/source string! - * - * @param p pbuf to search, maximum length is 0xFFFE since 0xFFFF is used as - * return value 'not found' - * @param substr string to search for in p, maximum length is 0xFFFE - * @return 0xFFFF if substr was not found in p or the index where it was found - */ -u16_t -pbuf_strstr(struct pbuf* p, const char* substr) -{ - size_t substr_len; - if ((substr == NULL) || (substr[0] == 0) || (p->tot_len == 0xFFFF)) { - return 0xFFFF; - } - substr_len = os_strlen(substr); - if (substr_len >= 0xFFFF) { - return 0xFFFF; - } - return pbuf_memfind(p, substr, (u16_t)substr_len, 0); -} diff --git a/tools/sdk/lwip/src/core/raw.c b/tools/sdk/lwip/src/core/raw.c deleted file mode 100644 index b89a4f82fa..0000000000 --- a/tools/sdk/lwip/src/core/raw.c +++ /dev/null @@ -1,358 +0,0 @@ -/** - * @file - * Implementation of raw protocol PCBs for low-level handling of - * different types of protocols besides (or overriding) those - * already available in lwIP. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/memp.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/raw.h" -#include "lwip/stats.h" -#include "arch/perf.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/** The list of RAW PCBs */ -static struct raw_pcb *raw_pcbs; - -/** - * Determine if in incoming IP packet is covered by a RAW PCB - * and if so, pass it to a user-provided receive callback function. - * - * Given an incoming IP datagram (as a chain of pbufs) this function - * finds a corresponding RAW PCB and calls the corresponding receive - * callback function. - * - * @param p pbuf to be demultiplexed to a RAW PCB. - * @param inp network interface on which the datagram was received. - * @return - 1 if the packet has been eaten by a RAW PCB receive - * callback function. The caller MAY NOT not reference the - * packet any longer, and MAY NOT call pbuf_free(). - * @return - 0 if packet is not eaten (pbuf is still referenced by the - * caller). - * - */ -u8_t ICACHE_FLASH_ATTR -raw_input(struct pbuf *p, struct netif *inp) -{ - struct raw_pcb *pcb, *prev; - struct ip_hdr *iphdr; - s16_t proto; - u8_t eaten = 0; - - LWIP_UNUSED_ARG(inp); - - iphdr = (struct ip_hdr *)p->payload; - proto = IPH_PROTO(iphdr); - - prev = NULL; - pcb = raw_pcbs; - /* loop through all raw pcbs until the packet is eaten by one */ - /* this allows multiple pcbs to match against the packet by design */ - while ((eaten == 0) && (pcb != NULL)) { - if ((pcb->protocol == proto) && - (ip_addr_isany(&pcb->local_ip) || - ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest))) { -#if IP_SOF_BROADCAST_RECV - /* broadcast filter? */ - if ((pcb->so_options & SOF_BROADCAST) || !ip_addr_isbroadcast(¤t_iphdr_dest, inp)) -#endif /* IP_SOF_BROADCAST_RECV */ - { - /* receive callback function available? */ - if (pcb->recv != NULL) { - /* the receive callback function did not eat the packet? */ - if (pcb->recv(pcb->recv_arg, pcb, p, ip_current_src_addr()) != 0) { - /* receive function ate the packet */ - p = NULL; - eaten = 1; - if (prev != NULL) { - /* move the pcb to the front of raw_pcbs so that is - found faster next time */ - prev->next = pcb->next; - pcb->next = raw_pcbs; - raw_pcbs = pcb; - } - } - } - /* no receive callback function was set for this raw PCB */ - } - /* drop the packet */ - } - prev = pcb; - pcb = pcb->next; - } - return eaten; -} - -/** - * Bind a RAW PCB. - * - * @param pcb RAW PCB to be bound with a local address ipaddr. - * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to - * bind to all local interfaces. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_USE. The specified IP address is already bound to by - * another RAW PCB. - * - * @see raw_disconnect() - */ -err_t ICACHE_FLASH_ATTR -raw_bind(struct raw_pcb *pcb, ip_addr_t *ipaddr) -{ - ip_addr_set(&pcb->local_ip, ipaddr); - return ERR_OK; -} - -/** - * Connect an RAW PCB. This function is required by upper layers - * of lwip. Using the raw api you could use raw_sendto() instead - * - * This will associate the RAW PCB with the remote address. - * - * @param pcb RAW PCB to be connected with remote address ipaddr and port. - * @param ipaddr remote IP address to connect with. - * - * @return lwIP error code - * - * @see raw_disconnect() and raw_sendto() - */ -err_t ICACHE_FLASH_ATTR -raw_connect(struct raw_pcb *pcb, ip_addr_t *ipaddr) -{ - ip_addr_set(&pcb->remote_ip, ipaddr); - return ERR_OK; -} - - -/** - * Set the callback function for received packets that match the - * raw PCB's protocol and binding. - * - * The callback function MUST either - * - eat the packet by calling pbuf_free() and returning non-zero. The - * packet will not be passed to other raw PCBs or other protocol layers. - * - not free the packet, and return zero. The packet will be matched - * against further PCBs and/or forwarded to another protocol layers. - * - * @return non-zero if the packet was free()d, zero if the packet remains - * available for others. - */ -void ICACHE_FLASH_ATTR -raw_recv(struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg) -{ - /* remember recv() callback and user data */ - pcb->recv = recv; - pcb->recv_arg = recv_arg; -} - -/** - * Send the raw IP packet to the given address. Note that actually you cannot - * modify the IP headers (this is inconsistent with the receive callback where - * you actually get the IP headers), you can only specify the IP payload here. - * It requires some more changes in lwIP. (there will be a raw_send() function - * then.) - * - * @param pcb the raw pcb which to send - * @param p the IP payload to send - * @param ipaddr the destination address of the IP packet - * - */ -err_t ICACHE_FLASH_ATTR -raw_sendto(struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *ipaddr) -{ - err_t err; - struct netif *netif; - ip_addr_t *src_ip; - struct pbuf *q; /* q will be sent down the stack */ - - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_sendto\n")); - - /* not enough space to add an IP header to first pbuf in given p chain? */ - if (pbuf_header(p, IP_HLEN)) { - /* allocate header in new pbuf */ - q = pbuf_alloc(PBUF_IP, 0, PBUF_RAM); - /* new header pbuf could not be allocated? */ - if (q == NULL) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("raw_sendto: could not allocate header\n")); - return ERR_MEM; - } - if (p->tot_len != 0) { - /* chain header q in front of given pbuf p */ - pbuf_chain(q, p); - } - /* { first pbuf q points to header pbuf } */ - LWIP_DEBUGF(RAW_DEBUG, ("raw_sendto: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p)); - } else { - /* first pbuf q equals given pbuf */ - q = p; - if(pbuf_header(q, -IP_HLEN)) { - LWIP_ASSERT("Can't restore header we just removed!", 0); - return ERR_MEM; - } - } - - if ((netif = ip_route(ipaddr)) == NULL) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr))); - /* free any temporary header pbuf allocated by pbuf_header() */ - if (q != p) { - pbuf_free(q); - } - return ERR_RTE; - } - -#if IP_SOF_BROADCAST - /* broadcast filter? */ - if (((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(ipaddr, netif)) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb)); - /* free any temporary header pbuf allocated by pbuf_header() */ - if (q != p) { - pbuf_free(q); - } - return ERR_VAL; - } -#endif /* IP_SOF_BROADCAST */ - - if (ip_addr_isany(&pcb->local_ip)) { - /* use outgoing network interface IP address as source address */ - src_ip = &(netif->ip_addr); - } else { - /* use RAW PCB local IP address as source address */ - src_ip = &(pcb->local_ip); - } - -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if (q, src_ip, ipaddr, pcb->ttl, pcb->tos, pcb->protocol, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - - /* did we chain a header earlier? */ - if (q != p) { - /* free the header */ - pbuf_free(q); - } - return err; -} - -/** - * Send the raw IP packet to the address given by raw_connect() - * - * @param pcb the raw pcb which to send - * @param p the IP payload to send - * - */ -err_t ICACHE_FLASH_ATTR -raw_send(struct raw_pcb *pcb, struct pbuf *p) -{ - return raw_sendto(pcb, p, &pcb->remote_ip); -} - -/** - * Remove an RAW PCB. - * - * @param pcb RAW PCB to be removed. The PCB is removed from the list of - * RAW PCB's and the data structure is freed from memory. - * - * @see raw_new() - */ -void ICACHE_FLASH_ATTR -raw_remove(struct raw_pcb *pcb) -{ - struct raw_pcb *pcb2; - /* pcb to be removed is first in list? */ - if (raw_pcbs == pcb) { - /* make list start at 2nd pcb */ - raw_pcbs = raw_pcbs->next; - /* pcb not 1st in list */ - } else { - for(pcb2 = raw_pcbs; pcb2 != NULL; pcb2 = pcb2->next) { - /* find pcb in raw_pcbs list */ - if (pcb2->next != NULL && pcb2->next == pcb) { - /* remove pcb from list */ - pcb2->next = pcb->next; - } - } - } - memp_free(MEMP_RAW_PCB, pcb); -} - -/** - * Create a RAW PCB. - * - * @return The RAW PCB which was created. NULL if the PCB data structure - * could not be allocated. - * - * @param proto the protocol number of the IPs payload (e.g. IP_PROTO_ICMP) - * - * @see raw_remove() - */ -struct raw_pcb * ICACHE_FLASH_ATTR -raw_new(u8_t proto) -{ - struct raw_pcb *pcb; - - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_new\n")); - - pcb = (struct raw_pcb *)memp_malloc(MEMP_RAW_PCB); - /* could allocate RAW PCB? */ - if (pcb != NULL) { - /* initialize PCB to all zeroes */ - os_memset(pcb, 0, sizeof(struct raw_pcb)); - pcb->protocol = proto; - pcb->ttl = RAW_TTL; - pcb->next = raw_pcbs; - raw_pcbs = pcb; - } - return pcb; -} - -#endif /* LWIP_RAW */ diff --git a/tools/sdk/lwip/src/core/sntp.c b/tools/sdk/lwip/src/core/sntp.c deleted file mode 100755 index 0aa26b91ce..0000000000 --- a/tools/sdk/lwip/src/core/sntp.c +++ /dev/null @@ -1,1185 +0,0 @@ -/** - * @file - * SNTP client module - * - * This is simple "SNTP" client for the lwIP raw API. - * It is a minimal implementation of SNTPv4 as specified in RFC 4330. - * - * For a list of some public NTP servers, see this link : - * http://support.ntp.org/bin/view/Servers/NTPPoolServers - * - * @todo: - * - set/change servers at runtime - * - complete SNTP_CHECK_RESPONSE checks 3 and 4 - * - support broadcast/multicast mode? - */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Simon Goldschmidt (lwIP raw API part) - */ - -#include "lwip/sntp.h" -#include "osapi.h" -#include "os_type.h" -#include "lwip/opt.h" -#include "lwip/timers.h" -#include "lwip/udp.h" -#include "lwip/dns.h" -#include "lwip/ip_addr.h" -#include "lwip/pbuf.h" -#include "lwip/app/time.h" -//#include -#if LWIP_UDP - -/** - * SNTP_DEBUG: Enable debugging for SNTP. - */ -#ifndef SNTP_DEBUG -#define SNTP_DEBUG LWIP_DBG_ON -#endif - -/** SNTP server port */ -#ifndef SNTP_PORT -#define SNTP_PORT 123 -#endif - -/** Set this to 1 to allow config of SNTP server(s) by DNS name */ -#ifndef SNTP_SERVER_DNS -#define SNTP_SERVER_DNS 0 -#endif - -/** Handle support for more than one server via NTP_MAX_SERVERS, - * but catch legacy style of setting SNTP_SUPPORT_MULTIPLE_SERVERS, probably outside of this file - */ -#ifndef SNTP_SUPPORT_MULTIPLE_SERVERS -#if SNTP_MAX_SERVERS > 1 -#define SNTP_SUPPORT_MULTIPLE_SERVERS 1 -#else /* NTP_MAX_SERVERS > 1 */ -#define SNTP_SUPPORT_MULTIPLE_SERVERS 0 -#endif /* NTP_MAX_SERVERS > 1 */ -#else /* SNTP_SUPPORT_MULTIPLE_SERVERS */ -/* The developer has defined SNTP_SUPPORT_MULTIPLE_SERVERS, probably from old code */ -#if SNTP_MAX_SERVERS <= 1 -#error "SNTP_MAX_SERVERS needs to be defined to the max amount of servers if SNTP_SUPPORT_MULTIPLE_SERVERS is defined" -#endif /* SNTP_MAX_SERVERS <= 1 */ -#endif /* SNTP_SUPPORT_MULTIPLE_SERVERS */ - - -/** Sanity check: - * Define this to - * - 0 to turn off sanity checks (default; smaller code) - * - >= 1 to check address and port of the response packet to ensure the - * response comes from the server we sent the request to. - * - >= 2 to check returned Originate Timestamp against Transmit Timestamp - * sent to the server (to ensure response to older request). - * - >= 3 @todo: discard reply if any of the LI, Stratum, or Transmit Timestamp - * fields is 0 or the Mode field is not 4 (unicast) or 5 (broadcast). - * - >= 4 @todo: to check that the Root Delay and Root Dispersion fields are each - * greater than or equal to 0 and less than infinity, where infinity is - * currently a cozy number like one second. This check avoids using a - * server whose synchronization source has expired for a very long time. - */ -#ifndef SNTP_CHECK_RESPONSE -#define SNTP_CHECK_RESPONSE 0 -#endif - -/** According to the RFC, this shall be a random delay - * between 1 and 5 minutes (in milliseconds) to prevent load peaks. - * This can be defined to a random generation function, - * which must return the delay in milliseconds as u32_t. - * Turned off by default. - */ -#ifndef SNTP_STARTUP_DELAY -#define SNTP_STARTUP_DELAY 0 -#endif - -/** If you want the startup delay to be a function, define this - * to a function (including the brackets) and define SNTP_STARTUP_DELAY to 1. - */ -#ifndef SNTP_STARTUP_DELAY_FUNC -#define SNTP_STARTUP_DELAY_FUNC SNTP_STARTUP_DELAY -#endif - -/** SNTP receive timeout - in milliseconds - * Also used as retry timeout - this shouldn't be too low. - * Default is 3 seconds. - */ -#ifndef SNTP_RECV_TIMEOUT -#define SNTP_RECV_TIMEOUT 3000 -#endif - -/** SNTP update delay - in milliseconds - * Default is 1 hour. - */ -#ifndef SNTP_UPDATE_DELAY -#define SNTP_UPDATE_DELAY 3600000 -#endif -#if (SNTP_UPDATE_DELAY < 15000) && !SNTP_SUPPRESS_DELAY_CHECK -#error "SNTPv4 RFC 4330 enforces a minimum update time of 15 seconds!" -#endif - -/** SNTP macro to change system time and/or the update the RTC clock */ -#ifndef SNTP_SET_SYSTEM_TIME -#define SNTP_SET_SYSTEM_TIME(sec) ((void)sec) -#endif - -/** SNTP macro to change system time including microseconds */ -uint8 sntp_receive_time_size = 1; -#define SNTP_RECEIVE_TIME_SIZE sntp_receive_time_size -#define SNTP_SET_SYSTEM_TIME_US(sec, us) sntp_update_rtc(sec, us) -//#ifdef SNTP_SET_SYSTEM_TIME_US -//#define SNTP_SET_SYSTEM_TIME_US(sec, us) sntp_update_rtc(sec, us) -//#define SNTP_CALC_TIME_US 1 -//#define SNTP_RECEIVE_TIME_SIZE 2 -//#else -//#define SNTP_SET_SYSTEM_TIME_US(sec, us) -//#define SNTP_CALC_TIME_US 0 -//#define SNTP_RECEIVE_TIME_SIZE sntp_receive_time_size -//#endif - -/** SNTP macro to get system time, used with SNTP_CHECK_RESPONSE >= 2 - * to send in request and compare in response. - */ -#ifndef SNTP_GET_SYSTEM_TIME -#define SNTP_GET_SYSTEM_TIME(sec, us) do { (sec) = 0; (us) = 0; } while(0) -#endif - -/** Default retry timeout (in milliseconds) if the response - * received is invalid. - * This is doubled with each retry until SNTP_RETRY_TIMEOUT_MAX is reached. - */ -#ifndef SNTP_RETRY_TIMEOUT -#define SNTP_RETRY_TIMEOUT SNTP_RECV_TIMEOUT -#endif - -/** Maximum retry timeout (in milliseconds). */ -#ifndef SNTP_RETRY_TIMEOUT_MAX -#define SNTP_RETRY_TIMEOUT_MAX (SNTP_RETRY_TIMEOUT * 10) -#endif - -/** Increase retry timeout with every retry sent - * Default is on to conform to RFC. - */ -#ifndef SNTP_RETRY_TIMEOUT_EXP -#define SNTP_RETRY_TIMEOUT_EXP 1 -#endif - -/* the various debug levels for this file */ -#define SNTP_DEBUG_TRACE (SNTP_DEBUG | LWIP_DBG_TRACE) -#define SNTP_DEBUG_STATE (SNTP_DEBUG | LWIP_DBG_STATE) -#define SNTP_DEBUG_WARN (SNTP_DEBUG | LWIP_DBG_LEVEL_WARNING) -#define SNTP_DEBUG_WARN_STATE (SNTP_DEBUG | LWIP_DBG_LEVEL_WARNING | LWIP_DBG_STATE) -#define SNTP_DEBUG_SERIOUS (SNTP_DEBUG | LWIP_DBG_LEVEL_SERIOUS) - -#define SNTP_ERR_KOD 1 - -/* SNTP protocol defines */ -#define SNTP_MSG_LEN 48 - -#define SNTP_OFFSET_LI_VN_MODE 0 -#define SNTP_LI_MASK 0xC0 -#define SNTP_LI_NO_WARNING 0x00 -#define SNTP_LI_LAST_MINUTE_61_SEC 0x01 -#define SNTP_LI_LAST_MINUTE_59_SEC 0x02 -#define SNTP_LI_ALARM_CONDITION 0x03 /* (clock not synchronized) */ - -#define SNTP_VERSION_MASK 0x38 -#define SNTP_VERSION (4/* NTP Version 4*/<<3) - -#define SNTP_MODE_MASK 0x07 -#define SNTP_MODE_CLIENT 0x03 -#define SNTP_MODE_SERVER 0x04 -#define SNTP_MODE_BROADCAST 0x05 - -#define SNTP_OFFSET_STRATUM 1 -#define SNTP_STRATUM_KOD 0x00 - -#define SNTP_OFFSET_ORIGINATE_TIME 24 -#define SNTP_OFFSET_RECEIVE_TIME 32 -#define SNTP_OFFSET_TRANSMIT_TIME 40 - -/* number of seconds between 1900 and 1970 */ -#define DIFF_SEC_1900_1970 (2208988800UL) - -/** - * SNTP packet format (without optional fields) - * Timestamps are coded as 64 bits: - * - 32 bits seconds since Jan 01, 1970, 00:00 - * - 32 bits seconds fraction (0-padded) - * For future use, if the MSB in the seconds part is set, seconds are based - * on Feb 07, 2036, 06:28:16. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -#define PACK_STRUCT_FLD_8 PACK_STRUCT_FIELD -struct sntp_msg { - PACK_STRUCT_FLD_8(u8_t li_vn_mode); - PACK_STRUCT_FLD_8(u8_t stratum); - PACK_STRUCT_FLD_8(u8_t poll); - PACK_STRUCT_FLD_8(u8_t precision); - PACK_STRUCT_FIELD(u32_t root_delay); - PACK_STRUCT_FIELD(u32_t root_dispersion); - PACK_STRUCT_FIELD(u32_t reference_identifier); - PACK_STRUCT_FIELD(u32_t reference_timestamp[2]); - PACK_STRUCT_FIELD(u32_t originate_timestamp[2]); - PACK_STRUCT_FIELD(u32_t receive_timestamp[2]); - PACK_STRUCT_FIELD(u32_t transmit_timestamp[2]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/* function prototypes */ -static void sntp_request(void *arg); - -/** The UDP pcb used by the SNTP client */ -static struct udp_pcb* sntp_pcb; - -sint8 time_zone = 8; -/** Names/Addresses of servers */ -struct sntp_server { -#if SNTP_SERVER_DNS - char* name; -#endif /* SNTP_SERVER_DNS */ - ip_addr_t addr; -}; -static struct sntp_server sntp_servers[SNTP_MAX_SERVERS]; - -static u8_t sntp_set_servers_from_dhcp; -#if SNTP_SUPPORT_MULTIPLE_SERVERS -/** The currently used server (initialized to 0) */ -static u8_t sntp_current_server; -#else /* SNTP_SUPPORT_MULTIPLE_SERVERS */ -#define sntp_current_server 0 -#endif /* SNTP_SUPPORT_MULTIPLE_SERVERS */ - -#if SNTP_RETRY_TIMEOUT_EXP -#define SNTP_RESET_RETRY_TIMEOUT() sntp_retry_timeout = SNTP_RETRY_TIMEOUT -/** Retry time, initialized with SNTP_RETRY_TIMEOUT and doubled with each retry. */ -static u32_t sntp_retry_timeout; -#else /* SNTP_RETRY_TIMEOUT_EXP */ -#define SNTP_RESET_RETRY_TIMEOUT() -#define sntp_retry_timeout SNTP_RETRY_TIMEOUT -#endif /* SNTP_RETRY_TIMEOUT_EXP */ - -#if SNTP_CHECK_RESPONSE >= 1 -/** Saves the last server address to compare with response */ -static ip_addr_t sntp_last_server_address; -#endif /* SNTP_CHECK_RESPONSE >= 1 */ - -#if SNTP_CHECK_RESPONSE >= 2 -/** Saves the last timestamp sent (which is sent back by the server) - * to compare against in response */ -static u32_t sntp_last_timestamp_sent[2]; -#endif /* SNTP_CHECK_RESPONSE >= 2 */ - -//uint32 current_stamp_1 = 0; -//uint32 current_stamp_2 = 0; -static bool sntp_time_flag = false; -static uint32 sntp_update_delay = SNTP_UPDATE_DELAY; -static uint32 realtime_stamp = 0; -LOCAL os_timer_t sntp_timer; -/*****************************************/ -#define SECSPERMIN 60L -#define MINSPERHOUR 60L -#define HOURSPERDAY 24L -#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) -#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY) -#define DAYSPERWEEK 7 -#define MONSPERYEAR 12 - -#define YEAR_BASE 1900 -#define EPOCH_YEAR 1970 -#define EPOCH_WDAY 4 -#define EPOCH_YEARS_SINCE_LEAP 2 -#define EPOCH_YEARS_SINCE_CENTURY 70 -#define EPOCH_YEARS_SINCE_LEAP_CENTURY 370 - -#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) - -int __tznorth; -int __tzyear; -char reult[100]; -static const int mon_lengths[2][12] = { - {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, - {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31} -} ; - -static const int year_lengths[2] = { - 365, - 366 -} ; -struct tm -{ - int tm_sec; - int tm_min; - int tm_hour; - int tm_mday; - int tm_mon; - int tm_year; - int tm_wday; - int tm_yday; - int tm_isdst; -}; - -struct tm res_buf; -typedef struct __tzrule_struct -{ - char ch; - int m; - int n; - int d; - int s; - time_t change; - int offset; -} __tzrule_type; - -__tzrule_type sntp__tzrule[2]; -struct tm * ICACHE_FLASH_ATTR -sntp_mktm_r(const time_t * tim_p ,struct tm *res ,int is_gmtime) -{ - long days, rem; - time_t lcltime; - int i; - int y; - int yleap; - const int *ip; - - /* base decision about std/dst time on current time */ - lcltime = *tim_p; - - days = ((long)lcltime) / SECSPERDAY; - rem = ((long)lcltime) % SECSPERDAY; - while (rem < 0) - { - rem += SECSPERDAY; - --days; - } - while (rem >= SECSPERDAY) - { - rem -= SECSPERDAY; - ++days; - } - - /* compute hour, min, and sec */ - res->tm_hour = (int) (rem / SECSPERHOUR); - rem %= SECSPERHOUR; - res->tm_min = (int) (rem / SECSPERMIN); - res->tm_sec = (int) (rem % SECSPERMIN); - - /* compute day of week */ - if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0) - res->tm_wday += DAYSPERWEEK; - - /* compute year & day of year */ - y = EPOCH_YEAR; - if (days >= 0) - { - for (;;) - { - yleap = isleap(y); - if (days < year_lengths[yleap]) - break; - y++; - days -= year_lengths[yleap]; - } - } - else - { - do - { - --y; - yleap = isleap(y); - days += year_lengths[yleap]; - } while (days < 0); - } - - res->tm_year = y - YEAR_BASE; - res->tm_yday = days; - ip = mon_lengths[yleap]; - for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon) - days -= ip[res->tm_mon]; - res->tm_mday = days + 1; - - if (!is_gmtime) - { - int offset; - int hours, mins, secs; - -// TZ_LOCK; -// if (_daylight) -// { -// if (y == __tzyear || __tzcalc_limits (y)) -// res->tm_isdst = (__tznorth -// ? (*tim_p >= __tzrule[0].change && *tim_p < __tzrule[1].change) -// : (*tim_p >= __tzrule[0].change || *tim_p < __tzrule[1].change)); -// else -// res->tm_isdst = -1; -// } -// else - res->tm_isdst = -1; - - offset = (res->tm_isdst == 1 ? sntp__tzrule[1].offset : sntp__tzrule[0].offset); - - hours = offset / SECSPERHOUR; - offset = offset % SECSPERHOUR; - - mins = offset / SECSPERMIN; - secs = offset % SECSPERMIN; - - res->tm_sec -= secs; - res->tm_min -= mins; - res->tm_hour -= hours; - - if (res->tm_sec >= SECSPERMIN) - { - res->tm_min += 1; - res->tm_sec -= SECSPERMIN; - } - else if (res->tm_sec < 0) - { - res->tm_min -= 1; - res->tm_sec += SECSPERMIN; - } - if (res->tm_min >= MINSPERHOUR) - { - res->tm_hour += 1; - res->tm_min -= MINSPERHOUR; - } - else if (res->tm_min < 0) - { - res->tm_hour -= 1; - res->tm_min += MINSPERHOUR; - } - if (res->tm_hour >= HOURSPERDAY) - { - ++res->tm_yday; - ++res->tm_wday; - if (res->tm_wday > 6) - res->tm_wday = 0; - ++res->tm_mday; - res->tm_hour -= HOURSPERDAY; - if (res->tm_mday > ip[res->tm_mon]) - { - res->tm_mday -= ip[res->tm_mon]; - res->tm_mon += 1; - if (res->tm_mon == 12) - { - res->tm_mon = 0; - res->tm_year += 1; - res->tm_yday = 0; - } - } - } - else if (res->tm_hour < 0) - { - res->tm_yday -= 1; - res->tm_wday -= 1; - if (res->tm_wday < 0) - res->tm_wday = 6; - res->tm_mday -= 1; - res->tm_hour += 24; - if (res->tm_mday == 0) - { - res->tm_mon -= 1; - if (res->tm_mon < 0) - { - res->tm_mon = 11; - res->tm_year -= 1; - res->tm_yday = 365 + isleap(res->tm_year); - } - res->tm_mday = ip[res->tm_mon]; - } - } -// TZ_UNLOCK; - } - else - res->tm_isdst = 0; -// os_printf("res %d %d %d %d %d\n",res->tm_year,res->tm_mon,res->tm_mday,res->tm_yday,res->tm_hour); - return (res); -} -struct tm * ICACHE_FLASH_ATTR -sntp_localtime_r(const time_t * tim_p , - struct tm *res) -{ - return sntp_mktm_r (tim_p, res, 0); -} - -struct tm * ICACHE_FLASH_ATTR -sntp_localtime(const time_t * tim_p) -{ - return sntp_localtime_r (tim_p, &res_buf); -} - - -int ICACHE_FLASH_ATTR -sntp__tzcalc_limits(int year) -{ - int days, year_days, years; - int i, j; - - if (year < EPOCH_YEAR) - return 0; - - __tzyear = year; - - years = (year - EPOCH_YEAR); - - year_days = years * 365 + - (years - 1 + EPOCH_YEARS_SINCE_LEAP) / 4 - (years - 1 + EPOCH_YEARS_SINCE_CENTURY) / 100 + - (years - 1 + EPOCH_YEARS_SINCE_LEAP_CENTURY) / 400; - - for (i = 0; i < 2; ++i) - { - if (sntp__tzrule[i].ch == 'J') - days = year_days + sntp__tzrule[i].d + (isleap(year) && sntp__tzrule[i].d >= 60); - else if (sntp__tzrule[i].ch == 'D') - days = year_days + sntp__tzrule[i].d; - else - { - int yleap = isleap(year); - int m_day, m_wday, wday_diff; - const int *ip = mon_lengths[yleap]; - - days = year_days; - - for (j = 1; j < sntp__tzrule[i].m; ++j) - days += ip[j-1]; - - m_wday = (EPOCH_WDAY + days) % DAYSPERWEEK; - - wday_diff = sntp__tzrule[i].d - m_wday; - if (wday_diff < 0) - wday_diff += DAYSPERWEEK; - m_day = (sntp__tzrule[i].n - 1) * DAYSPERWEEK + wday_diff; - - while (m_day >= ip[j-1]) - m_day -= DAYSPERWEEK; - - days += m_day; - } - - /* store the change-over time in GMT form by adding offset */ - sntp__tzrule[i].change = days * SECSPERDAY + sntp__tzrule[i].s + sntp__tzrule[i].offset; - } - - __tznorth = (sntp__tzrule[0].change < sntp__tzrule[1].change); - - return 1; -} - -char * ICACHE_FLASH_ATTR -sntp_asctime_r(struct tm *tim_p ,char *result) -{ - static const char day_name[7][4] = { - "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" - }; - static const char mon_name[12][4] = { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" - }; - os_sprintf (result, "%s %s %02d %02d:%02d:%02d %02d\n", - day_name[tim_p->tm_wday], - mon_name[tim_p->tm_mon], - tim_p->tm_mday, tim_p->tm_hour, tim_p->tm_min, - tim_p->tm_sec, 1900 + tim_p->tm_year); - return result; -} -char *ICACHE_FLASH_ATTR -sntp_asctime(struct tm *tim_p) -{ - - return sntp_asctime_r (tim_p, reult); -} - -uint32 sntp_get_current_timestamp() -{ - if(realtime_stamp == 0){ - os_printf("please start sntp first !\n"); - return 0; - } else { - return realtime_stamp; - } -} - -char* sntp_get_real_time(time_t t) -{ - return sntp_asctime(sntp_localtime (&t)); -} -/** - * SNTP get time_zone default GMT + 8 - */ -sint8 ICACHE_FLASH_ATTR -sntp_get_timezone(void) -{ - return time_zone; -} -/** - * SNTP set time_zone default GMT + 8 - */ - -bool ICACHE_FLASH_ATTR -sntp_set_timezone(sint8 timezone) -{ - if(timezone >= -11 || timezone <= 13) { - if (sntp_get_timetype()){ - RTC_TZ_SET(time_zone); - } else - time_zone = timezone; - return true; - } else { - return false; - } - -} - -void ICACHE_FLASH_ATTR sntp_set_daylight(int daylight) -{ - if (sntp_get_timetype()){ - RTC_DST_SET(daylight); - } -} - -void ICACHE_FLASH_ATTR -sntp_time_inc(void) -{ - realtime_stamp++; -} -/** - * SNTP processing of received timestamp - */ -static void ICACHE_FLASH_ATTR -sntp_process(u32_t *receive_timestamp) -{ - /* convert SNTP time (1900-based) to unix GMT time (1970-based) - * @todo: if MSB is 1, SNTP time is 2036-based! - */ - time_t t = (ntohl(receive_timestamp[0]) - DIFF_SEC_1900_1970); - if (sntp_get_timetype()){ - u32_t us = ntohl(receive_timestamp[1]) / 4295; - SNTP_SET_SYSTEM_TIME_US(t, us); - /* display local time from GMT time */ - LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_process: %s, %"U32_F" us", ctime(&t), us)); - } else{ - /* change system time and/or the update the RTC clock */ - SNTP_SET_SYSTEM_TIME(t); - /* display local time from GMT time */ - t += time_zone * 60 * 60;// format GMT + time_zone TIME ZONE - realtime_stamp = t; - os_timer_disarm(&sntp_timer); - os_timer_setfn(&sntp_timer, (os_timer_func_t *)sntp_time_inc, NULL); - os_timer_arm(&sntp_timer, 1000, 1); - } -#if 0 -#if SNTP_CALC_TIME_US - u32_t us = ntohl(receive_timestamp[1]) / 4295; - SNTP_SET_SYSTEM_TIME_US(t, us); - /* display local time from GMT time */ - LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_process: %s, %"U32_F" us", ctime(&t), us)); - -#else /* SNTP_CALC_TIME_US */ - - /* change system time and/or the update the RTC clock */ - SNTP_SET_SYSTEM_TIME(t); - /* display local time from GMT time */ - t += time_zone * 60 * 60;// format GMT + time_zone TIME ZONE - realtime_stamp = t; - os_timer_disarm(&sntp_timer); - os_timer_setfn(&sntp_timer, (os_timer_func_t *)sntp_time_inc, NULL); - os_timer_arm(&sntp_timer, 1000, 1); -#endif /* SNTP_CALC_TIME_US */ -#endif -} - -/** - * Initialize request struct to be sent to server. - */ -static void ICACHE_FLASH_ATTR -sntp_initialize_request(struct sntp_msg *req) -{ - os_memset(req, 0, SNTP_MSG_LEN); - req->li_vn_mode = SNTP_LI_NO_WARNING | SNTP_VERSION | SNTP_MODE_CLIENT; - -#if SNTP_CHECK_RESPONSE >= 2 - { - u32_t sntp_time_sec, sntp_time_us; - /* fill in transmit timestamp and save it in 'sntp_last_timestamp_sent' */ - SNTP_GET_SYSTEM_TIME(sntp_time_sec, sntp_time_us); - sntp_last_timestamp_sent[0] = htonl(sntp_time_sec + DIFF_SEC_1900_1970); - req->transmit_timestamp[0] = sntp_last_timestamp_sent[0]; - /* we send/save us instead of fraction to be faster... */ - sntp_last_timestamp_sent[1] = htonl(sntp_time_us); - req->transmit_timestamp[1] = sntp_last_timestamp_sent[1]; - } -#endif /* SNTP_CHECK_RESPONSE >= 2 */ -} - -/** - * Retry: send a new request (and increase retry timeout). - * - * @param arg is unused (only necessary to conform to sys_timeout) - */ -static void ICACHE_FLASH_ATTR -sntp_retry(void* arg) -{ - LWIP_UNUSED_ARG(arg); - - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_retry: Next request will be sent in %"U32_F" ms\n", - sntp_retry_timeout)); - - /* set up a timer to send a retry and increase the retry delay */ - sys_timeout(sntp_retry_timeout, sntp_request, NULL); - -#if SNTP_RETRY_TIMEOUT_EXP - { - u32_t new_retry_timeout; - /* increase the timeout for next retry */ - new_retry_timeout = sntp_retry_timeout << 1; - /* limit to maximum timeout and prevent overflow */ - if ((new_retry_timeout <= SNTP_RETRY_TIMEOUT_MAX) && - (new_retry_timeout > sntp_retry_timeout)) { - sntp_retry_timeout = new_retry_timeout; - } - } -#endif /* SNTP_RETRY_TIMEOUT_EXP */ -} - -#if SNTP_SUPPORT_MULTIPLE_SERVERS -/** - * If Kiss-of-Death is received (or another packet parsing error), - * try the next server or retry the current server and increase the retry - * timeout if only one server is available. - * (implicitly, SNTP_MAX_SERVERS > 1) - * - * @param arg is unused (only necessary to conform to sys_timeout) - */ -static void -sntp_try_next_server(void* arg) -{ - u8_t old_server, i; - LWIP_UNUSED_ARG(arg); - - old_server = sntp_current_server; - for (i = 0; i < SNTP_MAX_SERVERS - 1; i++) { - sntp_current_server++; - if (sntp_current_server >= SNTP_MAX_SERVERS) { - sntp_current_server = 0; - } - if (!ip_addr_isany(&sntp_servers[sntp_current_server].addr) -#if SNTP_SERVER_DNS - || (sntp_servers[sntp_current_server].name != NULL) -#endif - ) { - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_try_next_server: Sending request to server %"U16_F"\n", - (u16_t)sntp_current_server)); - /* new server: reset retry timeout */ - SNTP_RESET_RETRY_TIMEOUT(); - /* instantly send a request to the next server */ - sntp_request(NULL); - return; - } - } - /* no other valid server found */ - sntp_current_server = old_server; - sntp_retry(NULL); -} -#else /* SNTP_SUPPORT_MULTIPLE_SERVERS */ -/* Always retry on error if only one server is supported */ -#define sntp_try_next_server sntp_retry -#endif /* SNTP_SUPPORT_MULTIPLE_SERVERS */ - -/** UDP recv callback for the sntp pcb */ -static void ICACHE_FLASH_ATTR -sntp_recv(void *arg, struct udp_pcb* pcb, struct pbuf *p, ip_addr_t *addr, u16_t port) -{ - u8_t mode; - u8_t stratum; - u32_t receive_timestamp[SNTP_RECEIVE_TIME_SIZE]; - err_t err; -//os_printf("sntp_recv\n"); - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - - /* packet received: stop retry timeout */ - sys_untimeout(sntp_try_next_server, NULL); - sys_untimeout(sntp_request, NULL); - - err = ERR_ARG; -#if SNTP_CHECK_RESPONSE >= 1 - /* check server address and port */ - if (ip_addr_cmp(addr, &sntp_last_server_address) && - (port == SNTP_PORT)) -#else /* SNTP_CHECK_RESPONSE >= 1 */ - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); -#endif /* SNTP_CHECK_RESPONSE >= 1 */ - { - /* process the response */ - if (p->tot_len == SNTP_MSG_LEN) { - pbuf_copy_partial(p, &mode, 1, SNTP_OFFSET_LI_VN_MODE); - mode &= SNTP_MODE_MASK; - /* if this is a SNTP response... */ - if ((mode == SNTP_MODE_SERVER) || - (mode == SNTP_MODE_BROADCAST)) { - pbuf_copy_partial(p, &stratum, 1, SNTP_OFFSET_STRATUM); - if (stratum == SNTP_STRATUM_KOD) { - /* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */ - err = SNTP_ERR_KOD; - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_recv: Received Kiss-of-Death\n")); - } else { -#if SNTP_CHECK_RESPONSE >= 2 - /* check originate_timetamp against sntp_last_timestamp_sent */ - u32_t originate_timestamp[2]; - pbuf_copy_partial(p, &originate_timestamp, 8, SNTP_OFFSET_ORIGINATE_TIME); - if ((originate_timestamp[0] != sntp_last_timestamp_sent[0]) || - (originate_timestamp[1] != sntp_last_timestamp_sent[1])) - { - LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid originate timestamp in response\n")); - } else -#endif /* SNTP_CHECK_RESPONSE >= 2 */ - /* @todo: add code for SNTP_CHECK_RESPONSE >= 3 and >= 4 here */ - { - /* correct answer */ - err = ERR_OK; - pbuf_copy_partial(p, &receive_timestamp, SNTP_RECEIVE_TIME_SIZE * 4, SNTP_OFFSET_RECEIVE_TIME); - } - } - } else { - LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid mode in response: %"U16_F"\n", (u16_t)mode)); - } - } else { - LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid packet length: %"U16_F"\n", p->tot_len)); - } - } - pbuf_free(p); - if (err == ERR_OK) { - /* Correct response, reset retry timeout */ - SNTP_RESET_RETRY_TIMEOUT(); - - sntp_process(receive_timestamp); - - /* Set up timeout for next request */ - sys_timeout((u32_t)sntp_update_delay, sntp_request, NULL); - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_recv: Scheduled next time request: %"U32_F" ms\n", - (u32_t)sntp_update_delay)); - } else if (err == SNTP_ERR_KOD) { - /* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */ - sntp_try_next_server(NULL); - } else { - /* another error, try the same server again */ - sntp_retry(NULL); - } -} - -/** Actually send an sntp request to a server. - * - * @param server_addr resolved IP address of the SNTP server - */ -static void ICACHE_FLASH_ATTR -sntp_send_request(ip_addr_t *server_addr) -{ - struct pbuf* p; -// os_printf("sntp_send_request\n"); - p = pbuf_alloc(PBUF_TRANSPORT, SNTP_MSG_LEN, PBUF_RAM); - if (p != NULL) { - struct sntp_msg *sntpmsg = (struct sntp_msg *)p->payload; - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_send_request: Sending request to server\n")); - /* initialize request message */ - sntp_initialize_request(sntpmsg); - /* send request */ - udp_sendto(sntp_pcb, p, server_addr, SNTP_PORT); - /* free the pbuf after sending it */ - pbuf_free(p); - /* set up receive timeout: try next server or retry on timeout */ - sys_timeout((u32_t)SNTP_RECV_TIMEOUT, sntp_try_next_server, NULL); -#if SNTP_CHECK_RESPONSE >= 1 - /* save server address to verify it in sntp_recv */ - ip_addr_set(&sntp_last_server_address, server_addr); -#endif /* SNTP_CHECK_RESPONSE >= 1 */ - } else { - LWIP_DEBUGF(SNTP_DEBUG_SERIOUS, ("sntp_send_request: Out of memory, trying again in %"U32_F" ms\n", - (u32_t)SNTP_RETRY_TIMEOUT)); - /* out of memory: set up a timer to send a retry */ - sys_timeout((u32_t)SNTP_RETRY_TIMEOUT, sntp_request, NULL); - } -} - -#if SNTP_SERVER_DNS -/** - * DNS found callback when using DNS names as server address. - */ -static void -sntp_dns_found(const char* hostname, ip_addr_t *ipaddr, void *arg) -{ - LWIP_UNUSED_ARG(hostname); - LWIP_UNUSED_ARG(arg); - - if (ipaddr != NULL) { - /* Address resolved, send request */ - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_dns_found: Server address resolved, sending request\n")); - sntp_send_request(ipaddr); - } else { - /* DNS resolving failed -> try another server */ - LWIP_DEBUGF(SNTP_DEBUG_WARN_STATE, ("sntp_dns_found: Failed to resolve server address resolved, trying next server\n")); - sntp_try_next_server(NULL); - } -} -#endif /* SNTP_SERVER_DNS */ - -/** - * Send out an sntp request. - * - * @param arg is unused (only necessary to conform to sys_timeout) - */ -static void ICACHE_FLASH_ATTR -sntp_request(void *arg) -{ - ip_addr_t sntp_server_address; - err_t err; - - LWIP_UNUSED_ARG(arg); - - /* initialize SNTP server address */ -#if SNTP_SERVER_DNS - - if (sntp_servers[sntp_current_server].name) { - /* always resolve the name and rely on dns-internal caching & timeout */ - ip_addr_set_any(&sntp_servers[sntp_current_server].addr); - err = dns_gethostbyname(sntp_servers[sntp_current_server].name, &sntp_server_address, - sntp_dns_found, NULL); - if (err == ERR_INPROGRESS) { - /* DNS request sent, wait for sntp_dns_found being called */ - LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_request: Waiting for server address to be resolved.\n")); - return; - } else if (err == ERR_OK) { - sntp_servers[sntp_current_server].addr = sntp_server_address; - } - } else -#endif /* SNTP_SERVER_DNS */ - { - sntp_server_address = sntp_servers[sntp_current_server].addr; -// os_printf("sntp_server_address ip %d\n",sntp_server_address.addr); - err = (ip_addr_isany(&sntp_server_address)) ? ERR_ARG : ERR_OK; - } - - if (err == ERR_OK) { - LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_request: current server address is %u.%u.%u.%u\n", - ip4_addr1(&sntp_server_address), ip4_addr2(&sntp_server_address), ip4_addr3(&sntp_server_address), ip4_addr4(&sntp_server_address))); - sntp_send_request(&sntp_server_address); - } else { - /* address conversion failed, try another server */ - LWIP_DEBUGF(SNTP_DEBUG_WARN_STATE, ("sntp_request: Invalid server address, trying next server.\n")); - sys_timeout((u32_t)SNTP_RETRY_TIMEOUT, sntp_try_next_server, NULL); - } -} - -/** - * Initialize this module. - * Send out request instantly or after SNTP_STARTUP_DELAY(_FUNC). - */ -void ICACHE_FLASH_ATTR -sntp_init(void) -{ -#ifdef SNTP_SERVER_ADDRESS -#if SNTP_SERVER_DNS - sntp_setservername(0, SNTP_SERVER_ADDRESS); -#else -#error SNTP_SERVER_ADDRESS string not supported SNTP_SERVER_DNS==0 -#endif -#endif /* SNTP_SERVER_ADDRESS */ - - if (sntp_pcb == NULL) { - SNTP_RESET_RETRY_TIMEOUT(); - sntp_pcb = udp_new(); - LWIP_ASSERT("Failed to allocate udp pcb for sntp client", sntp_pcb != NULL); - if (sntp_pcb != NULL) { - udp_recv(sntp_pcb, sntp_recv, NULL); -#if SNTP_STARTUP_DELAY - sys_timeout((u32_t)SNTP_STARTUP_DELAY_FUNC, sntp_request, NULL); -#else - sntp_request(NULL); -#endif - } - } -} - -/** - * Stop this module. - */ -void ICACHE_FLASH_ATTR -sntp_stop(void) -{ - if (sntp_pcb != NULL) { - sys_untimeout(sntp_request, NULL); - udp_remove(sntp_pcb); - sntp_pcb = NULL; - } - os_timer_disarm(&sntp_timer); - realtime_stamp = 0; -} - -#if SNTP_GET_SERVERS_FROM_DHCP -/** - * Config SNTP server handling by IP address, name, or DHCP; clear table - * @param set_servers_from_dhcp enable or disable getting server addresses from dhcp - */ -void -sntp_servermode_dhcp(int set_servers_from_dhcp) -{ - u8_t new_mode = set_servers_from_dhcp ? 1 : 0; - if (sntp_set_servers_from_dhcp != new_mode) { - sntp_set_servers_from_dhcp = new_mode; - } -} -#endif /* SNTP_GET_SERVERS_FROM_DHCP */ - -/** - * Initialize one of the NTP servers by IP address - * - * @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS - * @param dnsserver IP address of the NTP server to set - */ -void ICACHE_FLASH_ATTR -sntp_setserver(u8_t idx, ip_addr_t *server) -{ - if (idx < SNTP_MAX_SERVERS) { - if (server != NULL) { - sntp_servers[idx].addr = (*server); -// os_printf("server ip %d\n",server->addr); - } else { - ip_addr_set_any(&sntp_servers[idx].addr); - } -#if SNTP_SERVER_DNS - sntp_servers[idx].name = NULL; -#endif - } -} - -#if LWIP_DHCP && SNTP_GET_SERVERS_FROM_DHCP -/** - * Initialize one of the NTP servers by IP address, required by DHCP - * - * @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS - * @param dnsserver IP address of the NTP server to set - */ -void -dhcp_set_ntp_servers(u8_t num, ip_addr_t *server) -{ - LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp: %s %u.%u.%u.%u as NTP server #%u via DHCP\n", - (sntp_set_servers_from_dhcp ? "Got" : "Rejected"), - ip4_addr1(server), ip4_addr2(server), ip4_addr3(server), ip4_addr4(server), num)); - if (sntp_set_servers_from_dhcp && num) { - u8_t i; - for (i = 0; (i < num) && (i < SNTP_MAX_SERVERS); i++) { - sntp_setserver(i, &server[i]); - } - for (i = num; i < SNTP_MAX_SERVERS; i++) { - sntp_setserver(i, NULL); - } - } -} -#endif /* LWIP_DHCP && SNTP_GET_SERVERS_FROM_DHCP */ - -/** - * Obtain one of the currently configured by IP address (or DHCP) NTP servers - * - * @param numdns the index of the NTP server - * @return IP address of the indexed NTP server or "ip_addr_any" if the NTP - * server has not been configured by address (or at all). - */ -ip_addr_t ICACHE_FLASH_ATTR -sntp_getserver(u8_t idx) -{ - if (idx < SNTP_MAX_SERVERS) { - return sntp_servers[idx].addr; - } - return *IP_ADDR_ANY; -} - -#if SNTP_SERVER_DNS -/** - * Initialize one of the NTP servers by name - * - * @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS - * @param dnsserver DNS name of the NTP server to set, to be resolved at contact time - */ -void ICACHE_FLASH_ATTR -sntp_setservername(u8_t idx, char *server) -{ - if (idx < SNTP_MAX_SERVERS) { - sntp_servers[idx].name = server; - } -} - -/** - * Obtain one of the currently configured by name NTP servers. - * - * @param numdns the index of the NTP server - * @return IP address of the indexed NTP server or NULL if the NTP - * server has not been configured by name (or at all) - */ -char * ICACHE_FLASH_ATTR -sntp_getservername(u8_t idx) -{ - if (idx < SNTP_MAX_SERVERS) { - return sntp_servers[idx].name; - } - return NULL; -} -#endif /* SNTP_SERVER_DNS */ - -void ICACHE_FLASH_ATTR -sntp_set_update_delay(uint32 ms) -{ - sntp_update_delay = ms > 15000?ms:15000; -} - -void ICACHE_FLASH_ATTR -sntp_set_timetype(bool type) -{ - // sntp_time_flag = type; -} - -bool sntp_get_timetype(void) -{ - return sntp_time_flag; -} - -void ICACHE_FLASH_ATTR -sntp_set_receive_time_size(void) -{ - if (sntp_get_timetype()){ - sntp_receive_time_size = 2; - } else{ - sntp_receive_time_size = 1; - } -} - -#endif /* LWIP_UDP */ diff --git a/tools/sdk/lwip/src/core/stats.c b/tools/sdk/lwip/src/core/stats.c deleted file mode 100644 index 69f97d41fc..0000000000 --- a/tools/sdk/lwip/src/core/stats.c +++ /dev/null @@ -1,176 +0,0 @@ -/** - * @file - * Statistics module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_STATS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/stats.h" -#include "lwip/mem.h" - -#include - -struct stats_ lwip_stats; - -void stats_init(void) -{ -#ifdef LWIP_DEBUG -#if MEMP_STATS - const char * memp_names[] = { -#define LWIP_MEMPOOL(name,num,size,desc) desc, -#include "lwip/memp_std.h" - }; - int i; - for (i = 0; i < MEMP_MAX; i++) { - lwip_stats.memp[i].name = memp_names[i]; - } -#endif /* MEMP_STATS */ -#if MEM_STATS - lwip_stats.mem.name = "MEM"; -#endif /* MEM_STATS */ -#endif /* LWIP_DEBUG */ -} - -#if LWIP_STATS_DISPLAY -void -stats_display_proto(struct stats_proto *proto, char *name) -{ - LWIP_PLATFORM_DIAG(("\n%s\n\t", name)); - LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", proto->xmit)); - LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", proto->recv)); - LWIP_PLATFORM_DIAG(("fw: %"STAT_COUNTER_F"\n\t", proto->fw)); - LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", proto->drop)); - LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", proto->chkerr)); - LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", proto->lenerr)); - LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", proto->memerr)); - LWIP_PLATFORM_DIAG(("rterr: %"STAT_COUNTER_F"\n\t", proto->rterr)); - LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", proto->proterr)); - LWIP_PLATFORM_DIAG(("opterr: %"STAT_COUNTER_F"\n\t", proto->opterr)); - LWIP_PLATFORM_DIAG(("err: %"STAT_COUNTER_F"\n\t", proto->err)); - LWIP_PLATFORM_DIAG(("cachehit: %"STAT_COUNTER_F"\n", proto->cachehit)); -} - -#if IGMP_STATS -void -stats_display_igmp(struct stats_igmp *igmp) -{ - LWIP_PLATFORM_DIAG(("\nIGMP\n\t")); - LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", igmp->xmit)); - LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", igmp->recv)); - LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", igmp->drop)); - LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", igmp->chkerr)); - LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", igmp->lenerr)); - LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", igmp->memerr)); - LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", igmp->proterr)); - LWIP_PLATFORM_DIAG(("rx_v1: %"STAT_COUNTER_F"\n\t", igmp->rx_v1)); - LWIP_PLATFORM_DIAG(("rx_group: %"STAT_COUNTER_F"\n", igmp->rx_group)); - LWIP_PLATFORM_DIAG(("rx_general: %"STAT_COUNTER_F"\n", igmp->rx_general)); - LWIP_PLATFORM_DIAG(("rx_report: %"STAT_COUNTER_F"\n\t", igmp->rx_report)); - LWIP_PLATFORM_DIAG(("tx_join: %"STAT_COUNTER_F"\n\t", igmp->tx_join)); - LWIP_PLATFORM_DIAG(("tx_leave: %"STAT_COUNTER_F"\n\t", igmp->tx_leave)); - LWIP_PLATFORM_DIAG(("tx_report: %"STAT_COUNTER_F"\n\t", igmp->tx_report)); -} -#endif /* IGMP_STATS */ - -#if MEM_STATS || MEMP_STATS -void -stats_display_mem(struct stats_mem *mem, char *name) -{ - LWIP_PLATFORM_DIAG(("\nMEM %s\n\t", name)); - LWIP_PLATFORM_DIAG(("avail: %"U32_F"\n\t", (u32_t)mem->avail)); - LWIP_PLATFORM_DIAG(("used: %"U32_F"\n\t", (u32_t)mem->used)); - LWIP_PLATFORM_DIAG(("max: %"U32_F"\n\t", (u32_t)mem->max)); - LWIP_PLATFORM_DIAG(("err: %"U32_F"\n", (u32_t)mem->err)); -} - -#if MEMP_STATS -void -stats_display_memp(struct stats_mem *mem, int index) -{ - char * memp_names[] = { -#define LWIP_MEMPOOL(name,num,size,desc) desc, -#include "lwip/memp_std.h" - }; - if(index < MEMP_MAX) { - stats_display_mem(mem, memp_names[index]); - } -} -#endif /* MEMP_STATS */ -#endif /* MEM_STATS || MEMP_STATS */ - -#if SYS_STATS -void -stats_display_sys(struct stats_sys *sys) -{ - LWIP_PLATFORM_DIAG(("\nSYS\n\t")); - LWIP_PLATFORM_DIAG(("sem.used: %"U32_F"\n\t", (u32_t)sys->sem.used)); - LWIP_PLATFORM_DIAG(("sem.max: %"U32_F"\n\t", (u32_t)sys->sem.max)); - LWIP_PLATFORM_DIAG(("sem.err: %"U32_F"\n\t", (u32_t)sys->sem.err)); - LWIP_PLATFORM_DIAG(("mutex.used: %"U32_F"\n\t", (u32_t)sys->mutex.used)); - LWIP_PLATFORM_DIAG(("mutex.max: %"U32_F"\n\t", (u32_t)sys->mutex.max)); - LWIP_PLATFORM_DIAG(("mutex.err: %"U32_F"\n\t", (u32_t)sys->mutex.err)); - LWIP_PLATFORM_DIAG(("mbox.used: %"U32_F"\n\t", (u32_t)sys->mbox.used)); - LWIP_PLATFORM_DIAG(("mbox.max: %"U32_F"\n\t", (u32_t)sys->mbox.max)); - LWIP_PLATFORM_DIAG(("mbox.err: %"U32_F"\n\t", (u32_t)sys->mbox.err)); -} -#endif /* SYS_STATS */ - -void -stats_display(void) -{ - s16_t i; - - LINK_STATS_DISPLAY(); - ETHARP_STATS_DISPLAY(); - IPFRAG_STATS_DISPLAY(); - IP_STATS_DISPLAY(); - IGMP_STATS_DISPLAY(); - ICMP_STATS_DISPLAY(); - UDP_STATS_DISPLAY(); - TCP_STATS_DISPLAY(); - MEM_STATS_DISPLAY(); - for (i = 0; i < MEMP_MAX; i++) { - MEMP_STATS_DISPLAY(i); - } - SYS_STATS_DISPLAY(); -} -#endif /* LWIP_STATS_DISPLAY */ - -#endif /* LWIP_STATS */ - diff --git a/tools/sdk/lwip/src/core/sys.c b/tools/sdk/lwip/src/core/sys.c deleted file mode 100644 index d3a77deb28..0000000000 --- a/tools/sdk/lwip/src/core/sys.c +++ /dev/null @@ -1,66 +0,0 @@ -/** - * @file - * lwIP Operating System abstraction - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#include "lwip/sys.h" - -/* Most of the functions defined in sys.h must be implemented in the - * architecture-dependent file sys_arch.c */ - -#if !NO_SYS - -/** - * Sleep for some ms. Timeouts are NOT processed while sleeping. - * - * @param ms number of milliseconds to sleep - */ -void -sys_msleep(u32_t ms) -{ - if (ms > 0) { - sys_sem_t delaysem; - err_t err = sys_sem_new(&delaysem, 0); - if (err == ERR_OK) { - sys_arch_sem_wait(&delaysem, ms); - sys_sem_free(&delaysem); - } - } -} - -#endif /* !NO_SYS */ diff --git a/tools/sdk/lwip/src/core/sys_arch.c b/tools/sdk/lwip/src/core/sys_arch.c deleted file mode 100644 index e79042f226..0000000000 --- a/tools/sdk/lwip/src/core/sys_arch.c +++ /dev/null @@ -1,13 +0,0 @@ -/* - * copyright (c) 2010 - 2011 espressif system - */ - -#include "c_types.h" -#include "ets_sys.h" -#include "osapi.h" -#include "os_type.h" - -#include "lwip/opt.h" -#include "lwip/sys.h" - -#include "eagle_soc.h" diff --git a/tools/sdk/lwip/src/core/tcp.c b/tools/sdk/lwip/src/core/tcp.c deleted file mode 100644 index a3651c61d1..0000000000 --- a/tools/sdk/lwip/src/core/tcp.c +++ /dev/null @@ -1,1673 +0,0 @@ -/** - * @file - * Transmission Control Protocol for IP - * - * This file contains common functions for the TCP implementation, such as functinos - * for manipulating the data structures and the TCP timer functions. TCP functions - * related to input and output is found in tcp_in.c and tcp_out.c respectively. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/snmp.h" -#include "lwip/tcp.h" -#include "lwip/tcp_impl.h" -#include "lwip/debug.h" -#include "lwip/stats.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -#if TCP_DEBUG -const char tcp_state_str_rodata[][12] ICACHE_RODATA_ATTR = { - "CLOSED", - "LISTEN", - "SYN_SENT", - "SYN_RCVD", - "ESTABLISHED", - "FIN_WAIT_1", - "FIN_WAIT_2", - "CLOSE_WAIT", - "CLOSING", - "LAST_ACK", - "TIME_WAIT" -}; - -char tcp_state_str[12]; -#endif - -/* Incremented every coarse grained timer shot (typically every 500 ms). */ -u32_t tcp_ticks; -const u8_t tcp_backoff[13] ICACHE_RODATA_ATTR = - { 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7}; - /* Times per slowtmr hits */ -const u8_t tcp_persist_backoff[7] ICACHE_RODATA_ATTR = { 3, 6, 12, 24, 48, 96, 120 }; - -/* The TCP PCB lists. */ - -/** List of all TCP PCBs bound but not yet (connected || listening) */ -struct tcp_pcb *tcp_bound_pcbs; -/** List of all TCP PCBs in LISTEN state */ -union tcp_listen_pcbs_t tcp_listen_pcbs; -/** List of all TCP PCBs that are in a state in which - * they accept or send data. */ -struct tcp_pcb *tcp_active_pcbs; -/** List of all TCP PCBs in TIME-WAIT state */ -struct tcp_pcb *tcp_tw_pcbs; - -#define NUM_TCP_PCB_LISTS 4 -#define NUM_TCP_PCB_LISTS_NO_TIME_WAIT 3 -/** An array with all (non-temporary) PCB lists, mainly used for smaller code size */ -struct tcp_pcb ** const tcp_pcb_lists[] ICACHE_RODATA_ATTR = {&tcp_listen_pcbs.pcbs, &tcp_bound_pcbs, - &tcp_active_pcbs, &tcp_tw_pcbs}; - -/** Only used for temporary storage. */ -struct tcp_pcb *tcp_tmp_pcb; - -/** Timer counter to handle calling slow-timer from tcp_tmr() */ -static u8_t tcp_timer; -static u16_t tcp_new_port(void);//����µ�tcp���ض˿� - -/** - * Called periodically to dispatch TCP timers. - * - */ -void -tcp_tmr(void) -{ - /* Call tcp_fasttmr() every 250 ms */ - tcp_fasttmr(); - - if (++tcp_timer & 1) { - /* Call tcp_tmr() every 500 ms, i.e., every other timer - tcp_tmr() is called. */ - tcp_slowtmr(); - } -} - -/** - * Closes the TX side of a connection held by the PCB. - * For tcp_close(), a RST is sent if the application didn't receive all data - * (tcp_recved() not called for all data passed to recv callback). - * - * Listening pcbs are freed and may not be referenced any more. - * Connection pcbs are freed if not yet connected and may not be referenced - * any more. If a connection is established (at least SYN received or in - * a closing state), the connection is closed, and put in a closing state. - * The pcb is then automatically freed in tcp_slowtmr(). It is therefore - * unsafe to reference it. - * - * @param pcb the tcp_pcb to close - * @return ERR_OK if connection has been closed - * another err_t if closing failed and pcb is not freed - */ -static err_t -tcp_close_shutdown(struct tcp_pcb *pcb, u8_t rst_on_unacked_data) -{ - err_t err; - - if (rst_on_unacked_data && (pcb->state != LISTEN)) { - if ((pcb->refused_data != NULL) || (pcb->rcv_wnd != TCP_WND)) { - /* Not all data received by application, send RST to tell the remote - side about this. */ - LWIP_ASSERT("pcb->flags & TF_RXCLOSED", pcb->flags & TF_RXCLOSED); - - /* don't call tcp_abort here: we must not deallocate the pcb since - that might not be expected when calling tcp_close */ - tcp_rst(pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip, - pcb->local_port, pcb->remote_port); - - tcp_pcb_purge(pcb); - - /* TODO: to which state do we move now? */ - - /* move to TIME_WAIT since we close actively */ - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); -#if MEMP_NUM_TCP_PCB_TIME_WAIT - TCP_TW_LIMIT(MEMP_NUM_TCP_PCB_TIME_WAIT); -#endif - return ERR_OK; - } - } - - switch (pcb->state) { - case CLOSED: - /* Closing a pcb in the CLOSED state might seem erroneous, - * however, it is in this state once allocated and as yet unused - * and the user needs some way to free it should the need arise. - * Calling tcp_close() with a pcb that has already been closed, (i.e. twice) - * or for a pcb that has been used and then entered the CLOSED state - * is erroneous, but this should never happen as the pcb has in those cases - * been freed, and so any remaining handles are bogus. */ - /*��CLOSED״̬�¹ر�һ��pcb�ƺ��Ǵ���ģ� - *������ˣ�һ�������״̬�·����˶��һ�û��ʹ��,�û���ҪһЩ�취���ͷ��� - *����һ���Ѿ����رյ�pcb��tcp_close(),(��2��)����һ���Ѿ���ʹ����֮�󣬽���CLOSE״̬�Ǵ���� - *������Щ����±��ͷŵ�pcb�Dz�����ڵ�,��ˣ��κ�ʣ��ľ���Ǽٵ� - */ - err = ERR_OK;//�趨����ֵ - if (pcb->local_port != 0) { - TCP_RMV(&tcp_bound_pcbs, pcb); - } - memp_free(MEMP_TCP_PCB, pcb);//��MEMP_TCP_PCB�ڴ���趨�ͷŵ���pcb��Ӧ�ĵ�Ԫֵ,�ͷ��ڴ� - pcb = NULL; - break; - case LISTEN: - err = ERR_OK; - tcp_pcb_remove(&tcp_listen_pcbs.pcbs, pcb);//�Ӽ����PCB�б���ɾ���Ӧ��pcb - memp_free(MEMP_TCP_PCB_LISTEN, pcb);//��MEMP_TCP_PCB_LISTEN�ڴ�����趨�ͷŵ�pcb��Ԫֵ ,�ͷ��ڴ� - pcb = NULL; - break; - case SYN_SENT: - err = ERR_OK; - tcp_pcb_remove(&tcp_active_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - pcb = NULL; - snmp_inc_tcpattemptfails(); - break; - case SYN_RCVD: - err = tcp_send_fin(pcb);//���������ر�FIN���ֱ��� - if (err == ERR_OK) { - snmp_inc_tcpattemptfails(); - pcb->state = FIN_WAIT_1;//ת��FIN_WAIT_1״̬ - } - break; - case ESTABLISHED: - err = tcp_send_fin(pcb); - if (err == ERR_OK) { - snmp_inc_tcpestabresets(); - pcb->state = FIN_WAIT_1; - } - break; - case CLOSE_WAIT: - err = tcp_send_fin(pcb); - if (err == ERR_OK) { - snmp_inc_tcpestabresets(); - pcb->state = LAST_ACK;//����LAST_ACK�ȴ�ACK��ʱ - } - break; - default: - /* Has already been closed, do nothing. */ - err = ERR_OK; - pcb = NULL; - break; - } - - if (pcb != NULL && err == ERR_OK) { - /* To ensure all data has been sent when tcp_close returns, we have - to make sure tcp_output doesn't fail. - Since we don't really have to ensure all data has been sent when tcp_close - returns (unsent data is sent from tcp timer functions, also), we don't care - for the return value of tcp_output for now. */ - /* @todo: When implementing SO_LINGER, this must be changed somehow: - If SOF_LINGER is set, the data should be sent and acked before close returns. - This can only be valid for sequential APIs, not for the raw API. */ - tcp_output(pcb);//���ú����Ϳ��ƿ������ʣ��ı��ģ�����FIN���ֱ��Ķ� - } - return err; -} - -/** - * Closes the connection held by the PCB. - * - * Listening pcbs are freed and may not be referenced any more. - * Connection pcbs are freed if not yet connected and may not be referenced - * any more. If a connection is established (at least SYN received or in - * a closing state), the connection is closed, and put in a closing state. - * The pcb is then automatically freed in tcp_slowtmr(). It is therefore - * unsafe to reference it (unless an error is returned). - * - * @param pcb the tcp_pcb to close - * @return ERR_OK if connection has been closed - * another err_t if closing failed and pcb is not freed - */ - /* - *ͨ��PCB�ر��������� - *�����е�pcbӦ�ñ��ͷŵģ�Ҳ����ԶҲ���ᱻʹ���� - *���û�����ӻ�����Ҳû�б�����,���ӵ�pcbӦ�ñ��ͷŵ� - *���һ�����ӱ�����(����SYN�Ѿ������ջ�����һ���ر��е�״̬) - *���ӱ��ر��ˣ�����������һ�����ڹرյ�״̬ - *pcb�Զ���tcp_slowtmr()�ͷ�,�����������Dz���ȫ�� - */ -err_t -tcp_close(struct tcp_pcb *pcb) -{ -#if TCP_DEBUG //TCP debug��Ϣ����ӡpcb��״̬ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_close: closing in ")); - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ - - if (pcb->state != LISTEN) { - /* Set a flag not to receive any more data... */ - pcb->flags |= TF_RXCLOSED; - } - /* ... and close */ - return tcp_close_shutdown(pcb, 1); -} - -/** - * Causes all or part of a full-duplex connection of this PCB to be shut down. - * This doesn't deallocate the PCB! - * - * @param pcb PCB to shutdown - * @param shut_rx shut down receive side if this is != 0 - * @param shut_tx shut down send side if this is != 0 - * @return ERR_OK if shutdown succeeded (or the PCB has already been shut down) - * another err_t on error. - */ -err_t -tcp_shutdown(struct tcp_pcb *pcb, int shut_rx, int shut_tx) -{ - if (pcb->state == LISTEN) { - return ERR_CONN; - } - if (shut_rx) { - /* shut down the receive side: free buffered data... */ - if (pcb->refused_data != NULL) { - pbuf_free(pcb->refused_data); - pcb->refused_data = NULL; - } - /* ... and set a flag not to receive any more data */ - pcb->flags |= TF_RXCLOSED; - } - if (shut_tx) { - /* This can't happen twice since if it succeeds, the pcb's state is changed. - Only close in these states as the others directly deallocate the PCB */ - switch (pcb->state) { - case SYN_RCVD: - case ESTABLISHED: - case CLOSE_WAIT: - return tcp_close_shutdown(pcb, 0); - default: - /* don't shut down other states */ - break; - } - } - /* @todo: return another err_t if not in correct state or already shut? */ - return ERR_OK; -} - -/** - * Abandons a connection and optionally sends a RST to the remote - * host. Deletes the local protocol control block. This is done when - * a connection is killed because of shortage of memory. - * - * @param pcb the tcp_pcb to abort - * @param reset boolean to indicate whether a reset should be sent - */ -void -tcp_abandon(struct tcp_pcb *pcb, int reset) -{ - u32_t seqno, ackno; - u16_t remote_port, local_port; - ip_addr_t remote_ip, local_ip; -#if LWIP_CALLBACK_API - tcp_err_fn errf; -#endif /* LWIP_CALLBACK_API */ - void *errf_arg; - - /* pcb->state LISTEN not allowed here */ - LWIP_ASSERT("don't call tcp_abort/tcp_abandon for listen-pcbs", - pcb->state != LISTEN); - /* Figure out on which TCP PCB list we are, and remove us. If we - are in an active state, call the receive function associated with - the PCB with a NULL argument, and send an RST to the remote end. */ - if (pcb->state == TIME_WAIT) { - tcp_pcb_remove(&tcp_tw_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - } else { - seqno = pcb->snd_nxt; - ackno = pcb->rcv_nxt; - ip_addr_copy(local_ip, pcb->local_ip); - ip_addr_copy(remote_ip, pcb->remote_ip); - local_port = pcb->local_port; - remote_port = pcb->remote_port; -#if LWIP_CALLBACK_API - errf = pcb->errf; -#endif /* LWIP_CALLBACK_API */ - errf_arg = pcb->callback_arg; - tcp_pcb_remove(&tcp_active_pcbs, pcb); - if (pcb->unacked != NULL) { - tcp_segs_free(pcb->unacked); - } - if (pcb->unsent != NULL) { - tcp_segs_free(pcb->unsent); - } -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL) { - tcp_segs_free(pcb->ooseq); - } -#endif /* TCP_QUEUE_OOSEQ */ - if (reset) { - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_abandon: sending RST\n")); - tcp_rst(seqno, ackno, &local_ip, &remote_ip, local_port, remote_port); - } - TCP_EVENT_ERR(errf, errf_arg, ERR_ABRT); - memp_free(MEMP_TCP_PCB, pcb); - } -} - -/** - * Aborts the connection by sending a RST (reset) segment to the remote - * host. The pcb is deallocated. This function never fails. - * - * ATTENTION: When calling this from one of the TCP callbacks, make - * sure you always return ERR_ABRT (and never return ERR_ABRT otherwise - * or you will risk accessing deallocated memory or memory leaks! - * - * @param pcb the tcp pcb to abort - */ -void -tcp_abort(struct tcp_pcb *pcb) -{ - tcp_abandon(pcb, 1); -} - -/** - * Binds the connection to a local portnumber and IP address. If the - * IP address is not given (i.e., ipaddr == NULL), the IP address of - * the outgoing network interface is used instead. - * - * @param pcb the tcp_pcb to bind (no check is done whether this pcb is - * already bound!) - * @param ipaddr the local ip address to bind to (use IP_ADDR_ANY to bind - * to any local address - * @param port the local port to bind to - * @return ERR_USE if the port is already in use - * ERR_OK if bound - */ -err_t -tcp_bind(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port) -{ - int i; - int max_pcb_list = NUM_TCP_PCB_LISTS; - struct tcp_pcb *cpcb; - - LWIP_ERROR("tcp_bind: can only bind in state CLOSED", pcb->state == CLOSED, return ERR_ISCONN); - -#if SO_REUSE - /* Unless the REUSEADDR flag is set, - we have to check the pcbs in TIME-WAIT state, also. - We do not dump TIME_WAIT pcb's; they can still be matched by incoming - packets using both local and remote IP addresses and ports to distinguish. - */ - if ((pcb->so_options & SOF_REUSEADDR) != 0) { - max_pcb_list = NUM_TCP_PCB_LISTS_NO_TIME_WAIT; - } -#endif /* SO_REUSE */ - - if (port == 0) { - port = tcp_new_port(); - } - - /* Check if the address already is in use (on all lists) */ - for (i = 0; i < max_pcb_list; i++) { - for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->local_port == port) { -#if SO_REUSE - /* Omit checking for the same port if both pcbs have REUSEADDR set. - For SO_REUSEADDR, the duplicate-check for a 5-tuple is done in - tcp_connect. */ - if (((pcb->so_options & SOF_REUSEADDR) == 0) || - ((cpcb->so_options & SOF_REUSEADDR) == 0)) -#endif /* SO_REUSE */ - { - if (ip_addr_isany(&(cpcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(cpcb->local_ip), ipaddr)) { - //os_printf("Address in use\n"); - return ERR_USE; - } - } - } - } - } - - if (!ip_addr_isany(ipaddr)) { - pcb->local_ip = *ipaddr; - } - pcb->local_port = port; - TCP_REG(&tcp_bound_pcbs, pcb); - LWIP_DEBUGF(TCP_DEBUG, ("tcp_bind: bind to port %"U16_F"\n", port)); - return ERR_OK; -} -#if LWIP_CALLBACK_API -/** - * Default accept callback if no accept callback is specified by the user. - */ -static err_t -tcp_accept_null(void *arg, struct tcp_pcb *pcb, err_t err) -{ - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(err); - - return ERR_ABRT; -} -#endif /* LWIP_CALLBACK_API */ - -/** - * Set the state of the connection to be LISTEN, which means that it - * is able to accept incoming connections. The protocol control block - * is reallocated in order to consume less memory. Setting the - * connection to LISTEN is an irreversible process. - *��ij���󶨵Ŀ��ƿ���Ϊ����״̬ - * @param pcb the original tcp_pcb �����Ŀ��ƿ���� - * @param backlog the incoming connections queue limit - * @return tcp_pcb used for listening, consumes less memory.ָ������״̬�Ŀ��ƿ� - * - * @note The original tcp_pcb is freed. This function therefore has to be - * called like this: - * tpcb = tcp_listen(tpcb); - */ -struct tcp_pcb * -tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog) -{ - struct tcp_pcb_listen *lpcb; - - LWIP_UNUSED_ARG(backlog); - LWIP_ERROR("tcp_listen: pcb already connected", pcb->state == CLOSED, return NULL); - - /* already listening? */ - if (pcb->state == LISTEN) { - return pcb; - } -#if SO_REUSE - if ((pcb->so_options & SOF_REUSEADDR) != 0) { - /* Since SOF_REUSEADDR allows reusing a local address before the pcb's usage - is declared (listen-/connection-pcb), we have to make sure now that - this port is only used once for every local IP. */ - for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - if (lpcb->local_port == pcb->local_port) { - if (ip_addr_cmp(&lpcb->local_ip, &pcb->local_ip)) { - /* this address/port is already used */ - return NULL; - } - } - } - } -#endif /* SO_REUSE */ - lpcb = (struct tcp_pcb_listen *)memp_malloc(MEMP_TCP_PCB_LISTEN);//�����ڴ�ؿռ� - if (lpcb == NULL) { - return NULL; - } - lpcb->callback_arg = pcb->callback_arg; - lpcb->local_port = pcb->local_port; - lpcb->state = LISTEN; - lpcb->prio = pcb->prio; - lpcb->so_options = pcb->so_options; - lpcb->so_options |= SOF_ACCEPTCONN; - lpcb->ttl = pcb->ttl; - lpcb->tos = pcb->tos; - ip_addr_copy(lpcb->local_ip, pcb->local_ip); - if (pcb->local_port != 0) { - TCP_RMV(&tcp_bound_pcbs, pcb); - } - memp_free(MEMP_TCP_PCB, pcb); -#if LWIP_CALLBACK_API - lpcb->accept = tcp_accept_null;//���ܿͻ������ӵ�Ĭ�ϻص����� -#endif /* LWIP_CALLBACK_API */ -#if TCP_LISTEN_BACKLOG - lpcb->accepts_pending = 0; - lpcb->backlog = (backlog ? backlog : 1); -#endif /* TCP_LISTEN_BACKLOG */ - TCP_REG(&tcp_listen_pcbs.pcbs, (struct tcp_pcb *)lpcb);//���ƿ����tcp_listen_pcbs�����ײ� - return (struct tcp_pcb *)lpcb; -} - -/** - * Update the state that tracks the available window space to advertise. - * - * Returns how much extra window would be advertised if we sent an - * update now. - */ -u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb) -{ - u32_t new_right_edge = pcb->rcv_nxt + pcb->rcv_wnd; - - if (TCP_SEQ_GEQ(new_right_edge, pcb->rcv_ann_right_edge + LWIP_MIN((TCP_WND / 2), pcb->mss))) { - /* we can advertise more window */ - pcb->rcv_ann_wnd = pcb->rcv_wnd; - return new_right_edge - pcb->rcv_ann_right_edge; - } else { - if (TCP_SEQ_GT(pcb->rcv_nxt, pcb->rcv_ann_right_edge)) { - /* Can happen due to other end sending out of advertised window, - * but within actual available (but not yet advertised) window */ - pcb->rcv_ann_wnd = 0; - } else { - /* keep the right edge of window constant */ - u32_t new_rcv_ann_wnd = pcb->rcv_ann_right_edge - pcb->rcv_nxt; - LWIP_ASSERT("new_rcv_ann_wnd <= 0xffff", new_rcv_ann_wnd <= 0xffff); - pcb->rcv_ann_wnd = (u16_t)new_rcv_ann_wnd; - } - return 0; - } -} - -/** - * This function should be called by the application when it has - * processed the data. The purpose is to advertise a larger window - * when the data has been processed. - *Ӧ�ó�����ݴ�����Ϻ�֪ͨ�ں˸��½��մ��� - * @param pcb the tcp_pcb for which data is read - * @param len the amount of bytes that have been read by the application - */ -void -tcp_recved(struct tcp_pcb *pcb, u16_t len) -{ - int wnd_inflation; - - LWIP_ASSERT("tcp_recved: len would wrap rcv_wnd\n", - len <= 0xffff - pcb->rcv_wnd ); - - pcb->rcv_wnd += len; - if (pcb->rcv_wnd > TCP_WND) { - pcb->rcv_wnd = TCP_WND; - } - - wnd_inflation = tcp_update_rcv_ann_wnd(pcb); - - /* If the change in the right edge of window is significant (default - * watermark is TCP_WND/4), then send an explicit update now. - * Otherwise wait for a packet to be sent in the normal course of - * events (or more window to be available later) */ - if (wnd_inflation >= TCP_WND_UPDATE_THRESHOLD) { - tcp_ack_now(pcb); - tcp_output(pcb); - } - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_recved: recveived %"U16_F" bytes, wnd %"U16_F" (%"U16_F").\n", - len, pcb->rcv_wnd, TCP_WND - pcb->rcv_wnd)); -} - -/** - * A nastly hack featuring 'goto' statements that allocates a - * new TCP local port. - * - * @return a new (free) local TCP port number - */ -static u16_t -tcp_new_port(void) -{ - int i; - struct tcp_pcb *pcb; -#ifndef TCP_LOCAL_PORT_RANGE_START -#define TCP_LOCAL_PORT_RANGE_START 1024 -#define TCP_LOCAL_PORT_RANGE_END 0x7fff -#endif - static u16_t port = TCP_LOCAL_PORT_RANGE_START; - - again: -// if (++port >= TCP_LOCAL_PORT_RANGE_END) { -// port = TCP_LOCAL_PORT_RANGE_START; -// } - port = os_random(); - port %= TCP_LOCAL_PORT_RANGE_END; - if (port < TCP_LOCAL_PORT_RANGE_START) - port += TCP_LOCAL_PORT_RANGE_START; - /* Check all PCB lists. */ - for (i = 0; i < NUM_TCP_PCB_LISTS; i++) { - for(pcb = *tcp_pcb_lists[i]; pcb != NULL; pcb = pcb->next) { - if (pcb->local_port == port) { - goto again; - } - } - } - return port; -} - -/** - * Connects to another host. The function given as the "connected" - * argument will be called when the connection has been established. - *�����������һ��SYN���ֱ��� - * @param pcb the tcp_pcb used to establish the connection �����Ŀ��ƿ���� - * @param ipaddr the remote ip address to connect to ������IP��ַ - * @param port the remote tcp port to connect to �������˿ں� - * @param connected callback function to call when connected (or on error) - * @return ERR_VAL if invalid arguments are given - * ERR_OK if connect request has been sent - * other err_t values if connect request couldn't be sent - */ -err_t -tcp_connect(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port, - tcp_connected_fn connected) -{ - err_t ret; - u32_t iss; - u16_t old_local_port; - - LWIP_ERROR("tcp_connect: can only connected from state CLOSED", pcb->state == CLOSED, return ERR_ISCONN); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_connect to port %"U16_F"\n", port)); - if (ipaddr != NULL) { - pcb->remote_ip = *ipaddr;//������IP��ַ��Ч�������Ӽ�¼�м�¼��IP��ַ�����ò·µ»Ø´ï¿½ï¿½ï¿½ - } else { - return ERR_VAL; - } - pcb->remote_port = port;//��¼�������˿�(Ŀ�Ķ˿�) - - /* check if we have a route to the remote host */ - if (ip_addr_isany(&(pcb->local_ip))) { - /* no local IP address set, yet. */ - struct netif *netif = ip_route(&(pcb->remote_ip)); - if (netif == NULL) { - /* Don't even try to send a SYN packet if we have no route - since that will fail. */ - return ERR_RTE; - } - /* Use the netif's IP address as local address. */ - ip_addr_copy(pcb->local_ip, netif->ip_addr); - } - - old_local_port = pcb->local_port; - if (pcb->local_port == 0) { - pcb->local_port = tcp_new_port(); - - } -#if SO_REUSE - if ((pcb->so_options & SOF_REUSEADDR) != 0) { - /* Since SOF_REUSEADDR allows reusing a local address, we have to make sure - now that the 5-tuple is unique. */ - struct tcp_pcb *cpcb; - int i; - /* Don't check listen- and bound-PCBs, check active- and TIME-WAIT PCBs. */ - for (i = 2; i < NUM_TCP_PCB_LISTS; i++) { - for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) { - if ((cpcb->local_port == pcb->local_port) && - (cpcb->remote_port == port) && - ip_addr_cmp(&cpcb->local_ip, &pcb->local_ip) && - ip_addr_cmp(&cpcb->remote_ip, ipaddr)) { - /* linux returns EISCONN here, but ERR_USE should be OK for us */ - return ERR_USE; - } - } - } - } -#endif /* SO_REUSE */ - iss = tcp_next_iss();//��ʼ����� - pcb->rcv_nxt = 0;//���÷��ʹ��ڵĸ����ֶ� - pcb->snd_nxt = iss; - pcb->lastack = iss - 1; - pcb->snd_lbb = iss - 1; - pcb->rcv_wnd = TCP_WND;//����Ĭ�Ͻ��մ��ڸ����ֶ�ֵ - pcb->rcv_ann_wnd = TCP_WND; - pcb->rcv_ann_right_edge = pcb->rcv_nxt; - pcb->snd_wnd = TCP_WND; - /* As initial send MSS, we use TCP_MSS but limit it to 536. - The send MSS is updated when an MSS option is received. */ - pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS;//��ʼ������Ķδ�С -#if TCP_CALCULATE_EFF_SEND_MSS - pcb->mss = tcp_eff_send_mss(pcb->mss, ipaddr); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - pcb->cwnd = 1;//��ʼ������� - pcb->ssthresh = pcb->mss * 10; -#if LWIP_CALLBACK_API - pcb->connected = connected;//ע��connected�ص����� -#else /* LWIP_CALLBACK_API */ - LWIP_UNUSED_ARG(connected); -#endif /* LWIP_CALLBACK_API */ - - /* Send a SYN together with the MSS option. */ - ret = tcp_enqueue_flags(pcb, TCP_SYN); - if (ret == ERR_OK) { - /* SYN segment was enqueued, changed the pcbs state now ���ƿ�����ΪSYN_SENT ״̬*/ - pcb->state = SYN_SENT; - if (old_local_port != 0) { - TCP_RMV(&tcp_bound_pcbs, pcb); - } - TCP_REG(&tcp_active_pcbs, pcb); - snmp_inc_tcpactiveopens(); - - tcp_output(pcb);//�����ƿ������ӵı��ķ��ͳ�ȥ - } - return ret; -} - -/** - * Called every 500 ms and implements the retransmission timer and the timer that - * removes PCBs that have been in TIME-WAIT for enough time. It also increments - * various timers such as the inactivity timer in each PCB. - * - * Automatically called from tcp_tmr(). - */ -void -tcp_slowtmr(void) -{ - struct tcp_pcb *pcb, *prev; - u16_t eff_wnd; - u8_t pcb_remove; /* flag if a PCB should be removed */ - u8_t pcb_reset; /* flag if a RST should be sent when removing */ - err_t err; - - err = ERR_OK; - - ++tcp_ticks; - - /* Steps through all of the active PCBs. */ - prev = NULL; - pcb = tcp_active_pcbs; - if (pcb == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: no active pcbs\n")); - } - while (pcb != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: processing active pcb\n")); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != CLOSED\n", pcb->state != CLOSED); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != LISTEN\n", pcb->state != LISTEN); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != TIME-WAIT\n", pcb->state != TIME_WAIT); - - pcb_remove = 0; - pcb_reset = 0; - - if (pcb->state == SYN_SENT && pcb->nrtx == TCP_SYNMAXRTX) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max SYN retries reached\n")); - } - else if (pcb->nrtx == TCP_MAXRTX) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max DATA retries reached\n")); - } else { - if (pcb->persist_backoff > 0) { - /* If snd_wnd is zero, use persist timer to send 1 byte probes - * instead of using the standard retransmission mechanism. */ - pcb->persist_cnt++; - if (pcb->persist_cnt >= system_get_data_of_array_8(tcp_persist_backoff, pcb->persist_backoff-1)) { - pcb->persist_cnt = 0; - if (pcb->persist_backoff < sizeof(tcp_persist_backoff)) { - pcb->persist_backoff++; - } - tcp_zero_window_probe(pcb); - } - } else { - /* Increase the retransmission timer if it is running */ - if(pcb->rtime >= 0) - ++pcb->rtime; - - if (pcb->unacked != NULL && pcb->rtime >= pcb->rto) { - /* Time for a retransmission. */ - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_slowtmr: rtime %"S16_F - " pcb->rto %"S16_F"\n", - pcb->rtime, pcb->rto)); - - /* Double retransmission time-out unless we are trying to - * connect to somebody (i.e., we are in SYN_SENT). */ - if (pcb->state != SYN_SENT) { - pcb->rto = ((pcb->sa >> 3) + pcb->sv) << system_get_data_of_array_8(tcp_backoff, pcb->nrtx); -// if (pcb->rto >= TCP_MAXRTO) -// pcb->rto >>= 1; - } - - /* Reset the retransmission timer. */ - pcb->rtime = 0; - - /* Reduce congestion window and ssthresh. */ - eff_wnd = LWIP_MIN(pcb->cwnd, pcb->snd_wnd); - pcb->ssthresh = eff_wnd >> 1; - if (pcb->ssthresh < (pcb->mss << 1)) { - pcb->ssthresh = (pcb->mss << 1); - } - pcb->cwnd = pcb->mss; - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: cwnd %"U16_F - " ssthresh %"U16_F"\n", - pcb->cwnd, pcb->ssthresh)); - - /* The following needs to be called AFTER cwnd is set to one - mss - STJ */ - tcp_rexmit_rto(pcb); - } - } - } - /* Check if this PCB has stayed too long in FIN-WAIT-2 */ - if (pcb->state == FIN_WAIT_2) { - if ((u32_t)(tcp_ticks - pcb->tmr) > - TCP_FIN_WAIT_TIMEOUT / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in FIN-WAIT-2\n")); - } - } - - /* Check if KEEPALIVE should be sent */ - if((pcb->so_options & SOF_KEEPALIVE) && - ((pcb->state == ESTABLISHED) || - (pcb->state == CLOSE_WAIT))) { -#if LWIP_TCP_KEEPALIVE - if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + (pcb->keep_cnt*pcb->keep_intvl)) - / TCP_SLOW_INTERVAL) -#else - if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + TCP_MAXIDLE) / TCP_SLOW_INTERVAL) -#endif /* LWIP_TCP_KEEPALIVE */ - { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: KEEPALIVE timeout. Aborting connection to %"U16_F".%"U16_F".%"U16_F".%"U16_F".\n", - ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip), - ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip))); - - ++pcb_remove; - ++pcb_reset; - } -#if LWIP_TCP_KEEPALIVE - else if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + pcb->keep_cnt_sent * pcb->keep_intvl) - / TCP_SLOW_INTERVAL) -#else - else if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + pcb->keep_cnt_sent * TCP_KEEPINTVL_DEFAULT) - / TCP_SLOW_INTERVAL) -#endif /* LWIP_TCP_KEEPALIVE */ - { - tcp_keepalive(pcb); - pcb->keep_cnt_sent++; - } - } - - /* If this PCB has queued out of sequence data, but has been - inactive for too long, will drop the data (it will eventually - be retransmitted). */ -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL && - (u32_t)tcp_ticks - pcb->tmr >= pcb->rto * TCP_OOSEQ_TIMEOUT) { - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: dropping OOSEQ queued data\n")); - } -#endif /* TCP_QUEUE_OOSEQ */ - - /* Check if this PCB has stayed too long in SYN-RCVD */ - if (pcb->state == SYN_RCVD) { - if ((u32_t)(tcp_ticks - pcb->tmr) > - TCP_SYN_RCVD_TIMEOUT / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in SYN-RCVD\n")); - } - } - - /* Check if this PCB has stayed too long in LAST-ACK */ - if (pcb->state == LAST_ACK) { - if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in LAST-ACK\n")); - } - } - - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - struct tcp_pcb *pcb2; - tcp_pcb_purge(pcb); - /* Remove PCB from tcp_active_pcbs list. */ - if (prev != NULL) { - LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_active_pcbs", pcb != tcp_active_pcbs); - prev->next = pcb->next; - } else { - /* This PCB was the first. */ - LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_active_pcbs", tcp_active_pcbs == pcb); - tcp_active_pcbs = pcb->next; - } - - if (pcb_reset) { - tcp_rst(pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip, - pcb->local_port, pcb->remote_port); - } - - TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_ABRT); - pcb2 = pcb; - pcb = pcb->next; - memp_free(MEMP_TCP_PCB, pcb2); - } else { - /* get the 'next' element now and work with 'prev' below (in case of abort) */ - prev = pcb; - pcb = pcb->next; - - /* We check if we should poll the connection. */ - ++prev->polltmr; - if (prev->polltmr >= prev->pollinterval) { - prev->polltmr = 0; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: polling application\n")); - TCP_EVENT_POLL(prev, err); - /* if err == ERR_ABRT, 'prev' is already deallocated */ - if (err == ERR_OK) { - tcp_output(prev); - } - } - } - } - - - /* Steps through all of the TIME-WAIT PCBs. */ - prev = NULL; - pcb = tcp_tw_pcbs; - while (pcb != NULL) { - LWIP_ASSERT("tcp_slowtmr: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - pcb_remove = 0; - - /* Check if this PCB has stayed long enough in TIME-WAIT */ - if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) { - ++pcb_remove; - } - - - - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - struct tcp_pcb *pcb2; - tcp_pcb_purge(pcb); - /* Remove PCB from tcp_tw_pcbs list. */ - if (prev != NULL) { - LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_tw_pcbs", pcb != tcp_tw_pcbs); - prev->next = pcb->next; - } else { - /* This PCB was the first. */ - LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_tw_pcbs", tcp_tw_pcbs == pcb); - tcp_tw_pcbs = pcb->next; - } - pcb2 = pcb; - pcb = pcb->next; - memp_free(MEMP_TCP_PCB, pcb2); - } else { - prev = pcb; - pcb = pcb->next; - } - } -} - -/** - * Is called every TCP_FAST_INTERVAL (250 ms) and process data previously - * "refused" by upper layer (application) and sends delayed ACKs. - * - * Automatically called from tcp_tmr(). - */ -void -tcp_fasttmr(void) -{ - struct tcp_pcb *pcb = tcp_active_pcbs; - - while(pcb != NULL) { - struct tcp_pcb *next = pcb->next; - /* If there is data which was previously "refused" by upper layer */ - if (pcb->refused_data != NULL) { - /* Notify again application with data previously received. */ - err_t err; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_fasttmr: notify kept packet\n")); - TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err); - if (err == ERR_OK) { - pcb->refused_data = NULL; - } else if (err == ERR_ABRT) { - /* if err == ERR_ABRT, 'pcb' is already deallocated */ - pcb = NULL; - } - } - - /* send delayed ACKs */ - if (pcb && (pcb->flags & TF_ACK_DELAY)) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_fasttmr: delayed ACK\n")); - tcp_ack_now(pcb); - tcp_output(pcb); - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW); - } - - pcb = next; - } -} - -/** - * Deallocates a list of TCP segments (tcp_seg structures). - * - * @param seg tcp_seg list of TCP segments to free - */ -void -tcp_segs_free(struct tcp_seg *seg) -{ - while (seg != NULL) { - struct tcp_seg *next = seg->next; - tcp_seg_free(seg); - seg = next; - } -} - -/** - * Frees a TCP segment (tcp_seg structure). - * - * @param seg single tcp_seg to free - */ -void -tcp_seg_free(struct tcp_seg *seg) -{ - if (seg != NULL) { - if (seg->p != NULL) { - pbuf_free(seg->p); -#if TCP_DEBUG - seg->p = NULL; -#endif /* TCP_DEBUG */ - } - memp_free(MEMP_TCP_SEG, seg); - } -} - -/** - * Sets the priority of a connection. - * - * @param pcb the tcp_pcb to manipulate - * @param prio new priority - */ -void -tcp_setprio(struct tcp_pcb *pcb, u8_t prio) -{ - pcb->prio = prio; -} - -#if TCP_QUEUE_OOSEQ -/** - * Returns a copy of the given TCP segment. - * The pbuf and data are not copied, only the pointers - * - * @param seg the old tcp_seg - * @return a copy of seg - */ -struct tcp_seg * -tcp_seg_copy(struct tcp_seg *seg) -{ - struct tcp_seg *cseg; - - cseg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG); - if (cseg == NULL) { - return NULL; - } - SMEMCPY((u8_t *)cseg, (const u8_t *)seg, sizeof(struct tcp_seg)); - pbuf_ref(cseg->p); - return cseg; -} -#endif /* TCP_QUEUE_OOSEQ */ - -#if LWIP_CALLBACK_API -/** - * Default receive callback that is called if the user didn't register - * a recv callback for the pcb. - */ -err_t -tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - LWIP_UNUSED_ARG(arg); - if (p != NULL) { - tcp_recved(pcb, p->tot_len); - pbuf_free(p); - } else if (err == ERR_OK) { - return tcp_close(pcb); - } - return ERR_OK; -} -#endif /* LWIP_CALLBACK_API */ - -/** - * Kills the oldest active connection that has lower priority than prio. - * - * @param prio minimum priority - */ -static void ICACHE_FLASH_ATTR -tcp_kill_prio(u8_t prio) -{ - struct tcp_pcb *pcb, *inactive; - u32_t inactivity; - u8_t mprio; - - - mprio = TCP_PRIO_MAX; - - /* We kill the oldest active connection that has lower priority than prio. */ - inactivity = 0; - inactive = NULL; - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->prio <= prio && - pcb->prio <= mprio && - (u32_t)(tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - mprio = pcb->prio; - } - } - if (inactive != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_prio: killing oldest PCB %p (%"S32_F")\n", - (void *)inactive, inactivity)); - tcp_abort(inactive); - } -} - -/** - * Kills the oldest connection that is in TIME_WAIT state. - * Called from tcp_alloc() if no more connections are available. - */ -static void ICACHE_FLASH_ATTR -tcp_kill_timewait(void) -{ - struct tcp_pcb *pcb, *inactive; - u32_t inactivity; - - inactivity = 0; - inactive = NULL; - /* Go through the list of TIME_WAIT pcbs and get the oldest pcb. */ - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - if ((u32_t)(tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - } - } - if (inactive != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_timewait: killing oldest TIME-WAIT PCB %p (%"S32_F")\n", - (void *)inactive, inactivity)); - tcp_abort(inactive); - } -} - -/** - * Allocate a new tcp_pcb structure. - *����һ��TCP���ƿ�ṹ������ʼ������ֶ� - * @param prio priority for the new pcb �¿��ƿ�����ȼ� - * @return a new tcp_pcb that initially is in state CLOSED ָ���¿��ƿ��ָ�� - */ -struct tcp_pcb * -tcp_alloc(u8_t prio) -{ - struct tcp_pcb *pcb; - u32_t iss; - - pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB);//�����ڴ�ؿռ� - if (pcb == NULL) { - //os_printf("tcp_pcb memory is fail\n"); - /* Try killing oldest connection in TIME-WAIT. */ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing off oldest TIME-WAIT connection\n")); - tcp_kill_timewait(); - /* Try to allocate a tcp_pcb again. */ - pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB); - if (pcb == NULL) { - /* Try killing active connections with lower priority than the new one. */ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing connection with prio lower than %d\n", prio)); - tcp_kill_prio(prio); - /* Try to allocate a tcp_pcb again. */ - pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB); - if (pcb != NULL) { - /* adjust err stats: memp_malloc failed twice before */ - MEMP_STATS_DEC(err, MEMP_TCP_PCB); - } - } - if (pcb != NULL) { - /* adjust err stats: timewait PCB was freed above */ - MEMP_STATS_DEC(err, MEMP_TCP_PCB); - } - } - if (pcb != NULL) { - os_memset(pcb, 0, sizeof(struct tcp_pcb)); //��0 - pcb->prio = prio; //�������ȼ� - pcb->snd_buf = TCP_SND_BUF; //��ʹ�õķ��ͻ������С - pcb->snd_queuelen = 0; //��������ռ�õ�pbuf���� - pcb->rcv_wnd = TCP_WND; //���մ��� - pcb->rcv_ann_wnd = TCP_WND; //ͨ����մ��� - pcb->tos = 0; //�������� - pcb->ttl = TCP_TTL; //ttl�ֶ� - /* As initial send MSS, we use TCP_MSS but limit it to 536. - The send MSS is updated when an MSS option is received. */ - pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS; //��ʼ������Ķ� - pcb->rto = 1000 / TCP_SLOW_INTERVAL; //��ʼ����ʱʱ�� - pcb->sa = 0; //��ʼ����RTT��صIJ��� - pcb->sv = 1000 / TCP_SLOW_INTERVAL; - pcb->rtime = -1; - pcb->cwnd = 1; //��ʼ������� - iss = tcp_next_iss(); //��ó�ʼ���к� - pcb->snd_wl2 = iss; //��ʼ�����ʹ��ڸ����ֶ� - pcb->snd_nxt = iss; - pcb->lastack = iss; - pcb->snd_lbb = iss; - pcb->tmr = tcp_ticks; //��¼���ƿ鴴��ϵͳʱ�� - - pcb->polltmr = 0; //����������¼���ʱ�� - -#if LWIP_CALLBACK_API - pcb->recv = tcp_recv_null; //ע�������ݵ�Ĭ���ϲ㺯�� -#endif /* LWIP_CALLBACK_API */ - - /* Init KEEPALIVE timer */ - pcb->keep_idle = TCP_KEEPIDLE_DEFAULT; - -#if LWIP_TCP_KEEPALIVE - pcb->keep_intvl = TCP_KEEPINTVL_DEFAULT; - pcb->keep_cnt = TCP_KEEPCNT_DEFAULT; -#endif /* LWIP_TCP_KEEPALIVE */ - - pcb->keep_cnt_sent = 0; //���ķ��ʹ��� - } - return pcb; -} - -/** - * Creates a new TCP protocol control block but doesn't place it on - * any of the TCP PCB lists. - * The pcb is not put on any list until binding using tcp_bind(). - * - * @internal: Maybe there should be a idle TCP PCB list where these - * PCBs are put on. Port reservation using tcp_bind() is implemented but - * allocated pcbs that are not bound can't be killed automatically if wanting - * to allocate a pcb with higher prio (@see tcp_kill_prio()) - * - * @return a new tcp_pcb that initially is in state CLOSED - */ -struct tcp_pcb * -tcp_new(void) -{ - return tcp_alloc(TCP_PRIO_NORMAL); -} - -/** - * Used to specify the argument that should be passed callback - * functions. - *����ƿ��callback_arg�ֶ�ע���û���ݣ���tcp_recv�Ⱥ���ص�ʱ�� -* ���ֶν���Ϊ����ݸ�������� - * @param pcb tcp_pcb to set the callback argument - * @param arg void pointer argument to pass to callback functions - */ -void -tcp_arg(struct tcp_pcb *pcb, void *arg) -{ - pcb->callback_arg = arg; -} -#if LWIP_CALLBACK_API - -/** - * Used to specify the function that should be called when a TCP - * connection receives data. - *����ƿ��recv�ֶ�ע�ắ���յ����ʱ�ص� - * @param pcb tcp_pcb to set the recv callback - * @param recv callback function to call for this pcb when data is received - */ -void -tcp_recv(struct tcp_pcb *pcb, tcp_recv_fn recv) -{ - pcb->recv = recv; -} - -/** - * Used to specify the function that should be called when TCP data - * has been successfully delivered to the remote host. - *����ƿ�send �ֶ�ע�ắ����ݷ��ͳɹ���ص� - * @param pcb tcp_pcb to set the sent callback - * @param sent callback function to call for this pcb when data is successfully sent - */ -void -tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent) -{ - pcb->sent = sent; -} - -/** - * Used to specify the function that should be called when a fatal error - * has occured on the connection. - *����ƿ�err �ֶ�ע�ắ�����������ص� - * @param pcb tcp_pcb to set the err callback - * @param err callback function to call for this pcb when a fatal error - * has occured on the connection - */ -void -tcp_err(struct tcp_pcb *pcb, tcp_err_fn err) -{ - pcb->errf = err; -} - -/** - * Used for specifying the function that should be called when a - * LISTENing connection has been connected to another host. - *����ƿ��accept�ֶ�ע�ắ����������ʱ�ص� - * @param pcb tcp_pcb to set the accept callback - * @param accept callback function to call for this pcb when LISTENing - * connection has been connected to another host - */ -void -tcp_accept(struct tcp_pcb *pcb, tcp_accept_fn accept) -{ - pcb->accept = accept; -} -#endif /* LWIP_CALLBACK_API */ - - -/** - * Used to specify the function that should be called periodically - * from TCP. The interval is specified in terms of the TCP coarse - * timer interval, which is called twice a second. - *����ƿ��POLL�ֶ�ע�ắ��ú��������Ա����� - */ -void -tcp_poll(struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval) -{ -#if LWIP_CALLBACK_API - pcb->poll = poll; -#else /* LWIP_CALLBACK_API */ - LWIP_UNUSED_ARG(poll); -#endif /* LWIP_CALLBACK_API */ - pcb->pollinterval = interval; -} - -/** - * Purges a TCP PCB. Removes any buffered data and frees the buffer memory - * (pcb->ooseq, pcb->unsent and pcb->unacked are freed). - * - * @param pcb tcp_pcb to purge. The pcb itself is not deallocated! - */ -void -tcp_pcb_purge(struct tcp_pcb *pcb) -{ - if (pcb->state != CLOSED && - pcb->state != TIME_WAIT && - pcb->state != LISTEN) { - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge\n")); - -#if TCP_LISTEN_BACKLOG - if (pcb->state == SYN_RCVD) { - /* Need to find the corresponding listen_pcb and decrease its accepts_pending */ - struct tcp_pcb_listen *lpcb; - LWIP_ASSERT("tcp_pcb_purge: pcb->state == SYN_RCVD but tcp_listen_pcbs is NULL", - tcp_listen_pcbs.listen_pcbs != NULL); - for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - if ((lpcb->local_port == pcb->local_port) && - (ip_addr_isany(&lpcb->local_ip) || - ip_addr_cmp(&pcb->local_ip, &lpcb->local_ip))) { - /* port and address of the listen pcb match the timed-out pcb */ - LWIP_ASSERT("tcp_pcb_purge: listen pcb does not have accepts pending", - lpcb->accepts_pending > 0); - lpcb->accepts_pending--; - break; - } - } - } -#endif /* TCP_LISTEN_BACKLOG */ - - - if (pcb->refused_data != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->refused_data\n")); - pbuf_free(pcb->refused_data); - pcb->refused_data = NULL; - } - if (pcb->unsent != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: not all data sent\n")); - } - if (pcb->unacked != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->unacked\n")); - } -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->ooseq\n")); - } - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; -#endif /* TCP_QUEUE_OOSEQ */ - - /* Stop the retransmission timer as it will expect data on unacked - queue if it fires */ - pcb->rtime = -1; - - tcp_segs_free(pcb->unsent); - tcp_segs_free(pcb->unacked); - pcb->unacked = pcb->unsent = NULL; -#if TCP_OVERSIZE - pcb->unsent_oversize = 0; -#endif /* TCP_OVERSIZE */ - } -} - -/** - * Purges the PCB and removes it from a PCB list. Any delayed ACKs are sent first. - * - * @param pcblist PCB list to purge. - * @param pcb tcp_pcb to purge. The pcb itself is NOT deallocated! - */ -void -tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb) -{ - TCP_RMV(pcblist, pcb); - - tcp_pcb_purge(pcb); - - /* if there is an outstanding delayed ACKs, send it */ - if (pcb->state != TIME_WAIT && - pcb->state != LISTEN && - pcb->flags & TF_ACK_DELAY) { - pcb->flags |= TF_ACK_NOW; - tcp_output(pcb); - } - - if (pcb->state != LISTEN) { - LWIP_ASSERT("unsent segments leaking", pcb->unsent == NULL); - LWIP_ASSERT("unacked segments leaking", pcb->unacked == NULL); -#if TCP_QUEUE_OOSEQ - LWIP_ASSERT("ooseq segments leaking", pcb->ooseq == NULL); -#endif /* TCP_QUEUE_OOSEQ */ - } - - pcb->state = CLOSED; - - LWIP_ASSERT("tcp_pcb_remove: tcp_pcbs_sane()", tcp_pcbs_sane()); -} - -/** - * Calculates a new initial sequence number for new connections. - * - * @return u32_t pseudo random sequence number - */ -u32_t -tcp_next_iss(void) -{ - static u32_t iss = 6510; - - again: - iss += tcp_ticks; /* XXX */ - if (iss == 0) - goto again; - - return iss; -} - -#if TCP_CALCULATE_EFF_SEND_MSS -/** - * Calcluates the effective send mss that can be used for a specific IP address - * by using ip_route to determin the netif used to send to the address and - * calculating the minimum of TCP_MSS and that netif's mtu (if set). - */ -u16_t -tcp_eff_send_mss(u16_t sendmss, ip_addr_t *addr) -{ - u16_t mss_s; - struct netif *outif; - - outif = ip_route(addr); - if ((outif != NULL) && (outif->mtu != 0)) { - mss_s = outif->mtu - IP_HLEN - TCP_HLEN; - /* RFC 1122, chap 4.2.2.6: - * Eff.snd.MSS = min(SendMSS+20, MMS_S) - TCPhdrsize - IPoptionsize - * We correct for TCP options in tcp_write(), and don't support IP options. - */ - sendmss = LWIP_MIN(sendmss, mss_s); - } - return sendmss; -} -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - -#if TCP_DEBUG -const char* -tcp_debug_state_str(enum tcp_state s) -{ - system_get_string_from_flash(tcp_state_str_rodata[s], tcp_state_str, 12); - - return tcp_state_str; -} -#endif - -#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG -/** - * Print a tcp header for debugging purposes. - * - * @param tcphdr pointer to a struct tcp_hdr - */ -void -tcp_debug_print(struct tcp_hdr *tcphdr) -{ - LWIP_DEBUGF(TCP_DEBUG, ("TCP header:\n")); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %5"U16_F" | %5"U16_F" | (src port, dest port)\n", - ntohs(tcphdr->src), ntohs(tcphdr->dest))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %010"U32_F" | (seq no)\n", - ntohl(tcphdr->seqno))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %010"U32_F" | (ack no)\n", - ntohl(tcphdr->ackno))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %2"U16_F" | |%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"| %5"U16_F" | (hdrlen, flags (", - TCPH_HDRLEN(tcphdr), - TCPH_FLAGS(tcphdr) >> 5 & 1, - TCPH_FLAGS(tcphdr) >> 4 & 1, - TCPH_FLAGS(tcphdr) >> 3 & 1, - TCPH_FLAGS(tcphdr) >> 2 & 1, - TCPH_FLAGS(tcphdr) >> 1 & 1, - TCPH_FLAGS(tcphdr) & 1, - ntohs(tcphdr->wnd))); - tcp_debug_print_flags(TCPH_FLAGS(tcphdr)); - LWIP_DEBUGF(TCP_DEBUG, ("), win)\n")); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| 0x%04"X16_F" | %5"U16_F" | (chksum, urgp)\n", - ntohs(tcphdr->chksum), ntohs(tcphdr->urgp))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); -} - -/** - * Print a tcp state for debugging purposes. - * - * @param s enum tcp_state to print - */ -void -tcp_debug_print_state(enum tcp_state s) -{ - LWIP_DEBUGF(TCP_DEBUG, ("State: %s\n", tcp_state_str[s])); -} - -/** - * Print tcp flags for debugging purposes. - * - * @param flags tcp flags, all active flags are printed - */ -void -tcp_debug_print_flags(u8_t flags) -{ - if (flags & TCP_FIN) { - LWIP_DEBUGF(TCP_DEBUG, ("FIN ")); - } - if (flags & TCP_SYN) { - LWIP_DEBUGF(TCP_DEBUG, ("SYN ")); - } - if (flags & TCP_RST) { - LWIP_DEBUGF(TCP_DEBUG, ("RST ")); - } - if (flags & TCP_PSH) { - LWIP_DEBUGF(TCP_DEBUG, ("PSH ")); - } - if (flags & TCP_ACK) { - LWIP_DEBUGF(TCP_DEBUG, ("ACK ")); - } - if (flags & TCP_URG) { - LWIP_DEBUGF(TCP_DEBUG, ("URG ")); - } - if (flags & TCP_ECE) { - LWIP_DEBUGF(TCP_DEBUG, ("ECE ")); - } - if (flags & TCP_CWR) { - LWIP_DEBUGF(TCP_DEBUG, ("CWR ")); - } - LWIP_DEBUGF(TCP_DEBUG, ("\n")); -} - -/** - * Print all tcp_pcbs in every list for debugging purposes. - */ -void -tcp_debug_print_pcbs(void) -{ - struct tcp_pcb *pcb; - LWIP_DEBUGF(TCP_DEBUG, ("Active PCB states:\n")); - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } - LWIP_DEBUGF(TCP_DEBUG, ("Listen PCB states:\n")); - for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } - LWIP_DEBUGF(TCP_DEBUG, ("TIME-WAIT PCB states:\n")); - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } -} - -/** - * Check state consistency of the tcp_pcb lists. - */ -s16_t -tcp_pcbs_sane(void) -{ - struct tcp_pcb *pcb; - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != CLOSED", pcb->state != CLOSED); - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != LISTEN", pcb->state != LISTEN); - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT); - } - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_pcbs_sane: tw pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - } - return 1; -} -#endif /* TCP_DEBUG */ - -#endif /* LWIP_TCP */ diff --git a/tools/sdk/lwip/src/core/tcp_in.c b/tools/sdk/lwip/src/core/tcp_in.c deleted file mode 100644 index 409559605b..0000000000 --- a/tools/sdk/lwip/src/core/tcp_in.c +++ /dev/null @@ -1,1646 +0,0 @@ -/** - * @file - * Transmission Control Protocol, incoming traffic - * - * The input processing functions of the TCP layer. - * - * These functions are generally called in the order (ip_input() ->) - * tcp_input() -> * tcp_process() -> tcp_receive() (-> application). - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/tcp_impl.h" -#include "lwip/def.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/inet_chksum.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "arch/perf.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* These variables are global to all functions involved in the input - processing of TCP segments. They are set by the tcp_input() - function. */ -static struct tcp_seg inseg; //tcp_seg�ṹ����������ı��Ķ� -static struct tcp_hdr *tcphdr; //���Ķ���TCP�ײ� -static struct ip_hdr *iphdr; //IP��ݰ��ײ� -static u32_t seqno, ackno; //TCP�ײ�������ֶ���ȷ�Ϻ��ֶ� -static u8_t flags; //�ײ���־�ֶ� -static u16_t tcplen; //TCP���ij��� - -static u8_t recv_flags; //��ǰ���Ĵ����� -static struct pbuf *recv_data; //���Ķ����pbuf - -struct tcp_pcb *tcp_input_pcb; //��ǰ���Ŀ��ƿ� - -/* Forward declarations. */ -static err_t tcp_process(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -static void tcp_receive(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; -static void tcp_parseopt(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; - -static err_t tcp_listen_input(struct tcp_pcb_listen *pcb)ICACHE_FLASH_ATTR; -static err_t tcp_timewait_input(struct tcp_pcb *pcb)ICACHE_FLASH_ATTR; - -/** - * The initial input processing of TCP. It verifies the TCP header, demultiplexes - * the segment between the PCBs and passes it on to tcp_process(), which implements - * the TCP finite state machine. This function is called by the IP layer (in - * ip_input()). - * - * @param p received TCP segment to process (p->payload pointing to the IP header) - * @param inp network interface on which this segment was received - */ - /** - * TCP��ʼ�����봦�?��֤��TCPͷ���������IP����� - - * @����p:������յ�TCP��(ָ��IPͷ�ĸ���) - * @����inp:���նε�����ӿ� - */ -void -tcp_input(struct pbuf *p, struct netif *inp) -{ - struct tcp_pcb *pcb, *prev; - struct tcp_pcb_listen *lpcb; -#if SO_REUSE - struct tcp_pcb *lpcb_prev = NULL; - struct tcp_pcb_listen *lpcb_any = NULL; -#endif /* SO_REUSE */ - u8_t hdrlen; - err_t err; - - PERF_START; - - TCP_STATS_INC(tcp.recv); //״̬��1 - snmp_inc_tcpinsegs(); //tcp����μ�1 - - iphdr = (struct ip_hdr *)p->payload;// pointer to the actual data in the buffer - /* - *��ͷ����(IHL)��4�IPЭ���ͷ�ij��ȣ�ָ��IPv4Э���ͷ���ȵ��ֽ������ٸ�32� - *����IPv4�İ�ͷ���ܰ�ɱ������Ŀ�ѡ ���������ֶο�������ȷ��IPv4��ݱ�����ݲ��ֵ�ƫ������ - *IPv4��ͷ����С������20���ֽڣ����IHL����ֶε���Сֵ��ʮ���Ʊ�ʾ����5 (5x4 = 20�ֽ�)�� - *����˵�����ʾ�İ�ͷ�����ֽ�����4�ֽڵı��� - */ - tcphdr = (struct tcp_hdr *)((u8_t *)p->payload + IPH_HL(iphdr) * 4); - -#if TCP_INPUT_DEBUG - tcp_debug_print(tcphdr); -#endif - - /* remove header from payload */ - if (pbuf_header(p, -((s16_t)(IPH_HL(iphdr) * 4))) || (p->tot_len < sizeof(struct tcp_hdr))) { - /* drop short packets */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet (%"U16_F" bytes) discarded\n", p->tot_len)); - TCP_STATS_INC(tcp.lenerr);//���󳤶ȼ��� - TCP_STATS_INC(tcp.drop);//��ֹ���� - snmp_inc_tcpinerrs(); - pbuf_free(p);//�ͷ�buffer - return; - } - - /* Don't even process incoming broadcasts/multicasts. */ - if (ip_addr_isbroadcast(¤t_iphdr_dest, inp) || - ip_addr_ismulticast(¤t_iphdr_dest)) { - TCP_STATS_INC(tcp.proterr);//�������� - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - -#if CHECKSUM_CHECK_TCP - /* Verify TCP checksum. */ - if (inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(), - IP_PROTO_TCP, p->tot_len) != 0) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packet discarded due to failing checksum 0x%04"X16_F"\n", - inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(), - IP_PROTO_TCP, p->tot_len))); -#if TCP_DEBUG - tcp_debug_print(tcphdr); -#endif /* TCP_DEBUG */ - TCP_STATS_INC(tcp.chkerr);//�������� - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } -#endif - - /* Move the payload pointer in the pbuf so that it points to the - TCP data instead of the TCP header. */ - hdrlen = TCPH_HDRLEN(tcphdr);//����ͷ�ij��� - if(pbuf_header(p, -(hdrlen * 4))){//���TCPͷ������0Ϊ�ɹ������� - /* drop short packets */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet\n")); - TCP_STATS_INC(tcp.lenerr);//tcp���ȴ������ - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - - /* Convert fields in TCP header to host byte order. */ - tcphdr->src = ntohs(tcphdr->src); //ת��Դ��ַ - tcphdr->dest = ntohs(tcphdr->dest); //ת��Ŀ�ĵ�ַ - seqno = tcphdr->seqno = ntohl(tcphdr->seqno); //ת�����к� - ackno = tcphdr->ackno = ntohl(tcphdr->ackno); //ת��Ӧ��� - tcphdr->wnd = ntohs(tcphdr->wnd); //ת��tcp���� - - flags = TCPH_FLAGS(tcphdr);//�õ�tcp header�ı�־ - /* - *��־��3λ�����ֶΣ��� - * �����1λ - * ���ֶ�λ��1λ��ȡֵ��0��������ݱ��ֶΣ���1����ݱ����ֶܷΣ� - * �����1λ��ȡֵ��0����ݰ����û�а�1����ݰ�����и��İ� - */ - tcplen = p->tot_len + ((flags & (TCP_FIN | TCP_SYN)) ? 1 : 0);//TCP_FIN �� TCP_SYN ���1�������0 - - /* Demultiplex an incoming segment. First, we check if it is destined - for an active connection. ���ȣ�����Ƿ�һ��Ҫ����һ������*/ - //////////////////////////////////////////////////////////////////////////////////////// - prev = NULL; - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {//������б� - LWIP_ASSERT("tcp_input: active pcb->state != CLOSED", pcb->state != CLOSED); - LWIP_ASSERT("tcp_input: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT); - LWIP_ASSERT("tcp_input: active pcb->state != LISTEN", pcb->state != LISTEN); - if (pcb->remote_port == tcphdr->src && - pcb->local_port == tcphdr->dest && - ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src) && - ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest)) {//�����صĵ�ַ - - /* Move this PCB to the front of the list so that subsequent - lookups will be faster (we exploit locality in TCP segment - arrivals). */ - LWIP_ASSERT("tcp_input: pcb->next != pcb (before cache)", pcb->next != pcb); - if (prev != NULL) {//���ǰһ���ڵ㲻Ϊ�� - prev->next = pcb->next; - pcb->next = tcp_active_pcbs; - tcp_active_pcbs = pcb;//pcb������ǰ�� - } - LWIP_ASSERT("tcp_input: pcb->next != pcb (after cache)", pcb->next != pcb); - break; - } - prev = pcb;//prevָ��pcb - } - - if (pcb == NULL) { - /* If it did not go to an active connection, we check the connections - in the TIME-WAIT state. */ - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {//����ȴ�״̬�µ�pcb - LWIP_ASSERT("tcp_input: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - if (pcb->remote_port == tcphdr->src && - pcb->local_port == tcphdr->dest && - ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src) && - ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest)) { - /* We don't really care enough to move this PCB to the front - of the list since we are not very likely to receive that - many segments for connections in TIME-WAIT. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for TIME_WAITing connection.\n")); - tcp_timewait_input(pcb);//����tcp timewait �� - pbuf_free(p); - return; - } - } - - /* Finally, if we still did not get a match, we check all PCBs that - are LISTENing for incoming connections. */ - prev = NULL; - for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {//�������״̬�����е�pcb - if (lpcb->local_port == tcphdr->dest) { -#if SO_REUSE - if (ip_addr_cmp(&(lpcb->local_ip), ¤t_iphdr_dest)) { - /* found an exact match */ - break; - } else if(ip_addr_isany(&(lpcb->local_ip))) { - /* found an ANY-match */ - lpcb_any = lpcb; - lpcb_prev = prev; - } -#else /* SO_REUSE */ - if (ip_addr_cmp(&(lpcb->local_ip), ¤t_iphdr_dest) || - ip_addr_isany(&(lpcb->local_ip))) { - /* found a match */ - break; - } -#endif /* SO_REUSE */ - } - prev = (struct tcp_pcb *)lpcb; - } -#if SO_REUSE - /* first try specific local IP */ - if (lpcb == NULL) { - /* only pass to ANY if no specific local IP has been found */ - lpcb = lpcb_any; - prev = lpcb_prev; - } -#endif /* SO_REUSE */ - if (lpcb != NULL) { - /* Move this PCB to the front of the list so that subsequent - lookups will be faster (we exploit locality in TCP segment - arrivals). */ - if (prev != NULL) { - ((struct tcp_pcb_listen *)prev)->next = lpcb->next; - /* our successor is the remainder of the listening list */ - lpcb->next = tcp_listen_pcbs.listen_pcbs; - /* put this listening pcb at the head of the listening list */ - tcp_listen_pcbs.listen_pcbs = lpcb; - } - - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for LISTENing connection.\n")); - tcp_listen_input(lpcb);//����tcp������ݰ� - pbuf_free(p); - return; - } - } - -#if TCP_INPUT_DEBUG - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("+-+-+-+-+-+-+-+-+-+-+-+-+-+- tcp_input: flags ")); - tcp_debug_print_flags(TCPH_FLAGS(tcphdr)); - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n")); -#endif /* TCP_INPUT_DEBUG */ - - - if (pcb != NULL) { - /* The incoming segment belongs to a connection. */ -#if TCP_INPUT_DEBUG -#if TCP_DEBUG - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ -#endif /* TCP_INPUT_DEBUG */ - - /* Set up a tcp_seg structure. */ - inseg.next = NULL; - inseg.len = p->tot_len; - inseg.p = p; - inseg.tcphdr = tcphdr; - - recv_data = NULL; - recv_flags = 0; - - /* If there is data which was previously "refused" by upper layer */ - if (pcb->refused_data != NULL) { - /* Notify again application with data previously received. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: notify kept packet\n")); - TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err);//pcb������� - if (err == ERR_OK) { - pcb->refused_data = NULL; - } else if ((err == ERR_ABRT) || (tcplen > 0)) { - /* if err == ERR_ABRT, 'pcb' is already deallocated */ - /* Drop incoming packets because pcb is "full" (only if the incoming - segment contains data). */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: drop incoming packets, because pcb is \"full\"\n")); - TCP_STATS_INC(tcp.drop);//tcp������� - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - } - tcp_input_pcb = pcb;//��¼��ǰ���Ĵ���Ŀ��ƿ� - err = tcp_process(pcb);//���?�� - /* A return value of ERR_ABRT means that tcp_abort() was called - and that the pcb has been freed. If so, we don't do anything. */ - if (err != ERR_ABRT) { - if (recv_flags & TF_RESET) { - /* TF_RESET means that the connection was reset by the other - end. We then call the error callback to inform the - application that the connection is dead before we - deallocate the PCB. */ - TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_RST); - tcp_pcb_remove(&tcp_active_pcbs, pcb);//ɾ���pcb�б��е�pcb - memp_free(MEMP_TCP_PCB, pcb); - } else if (recv_flags & TF_CLOSED) { - /* The connection has been closed and we will deallocate the - PCB. */ - if (!(pcb->flags & TF_RXCLOSED)) { - /* Connection closed although the application has only shut down the - tx side: call the PCB's err callback and indicate the closure to - ensure the application doesn't continue using the PCB. */ - TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_CLSD); - } - tcp_pcb_remove(&tcp_active_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - } else { - err = ERR_OK; - /* If the application has registered a "sent" function to be - called when new send buffer space is available, we call it - now. */ - if (pcb->acked > 0) { - TCP_EVENT_SENT(pcb, pcb->acked, err);//����ݱ�ȷ�ϣ��ص��û���send���� - if (err == ERR_ABRT) { - goto aborted; - } - } - - if (recv_data != NULL) {//����ݽ��յ� - LWIP_ASSERT("pcb->refused_data == NULL", pcb->refused_data == NULL); - if (pcb->flags & TF_RXCLOSED) { - /* received data although already closed -> abort (send RST) to - notify the remote host that not all data has been processed */ - pbuf_free(recv_data); - tcp_abort(pcb); - goto aborted; - } - - //PSH��־ PSH ����� - //��PSH=1ʱ��Ҫ���ͷ����Ϸ��͸÷ֶΣ� - //����շ�����Ľ����Ľ���Ӧ�ò㣬�������д��? - - if (flags & TCP_PSH) { - recv_data->flags |= PBUF_FLAG_PUSH;//���bufferӦ������������ - } - - /* Notify application that data has been received. */ - TCP_EVENT_RECV(pcb, recv_data, ERR_OK, err); - if (err == ERR_ABRT) { - goto aborted; - } - - /* If the upper layer can't receive this data, store it */ - if (err != ERR_OK) { - pcb->refused_data = recv_data; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: keep incoming packet, because pcb is \"full\"\n")); - } - } - - /* If a FIN segment was received, we call the callback - function with a NULL buffer to indicate EOF. */ - if (recv_flags & TF_GOT_FIN) { - /* correct rcv_wnd as the application won't call tcp_recved() - for the FIN's seqno */ - if (pcb->rcv_wnd != TCP_WND) { - pcb->rcv_wnd++; - } - - TCP_EVENT_CLOSED(pcb, err); - if (err == ERR_ABRT) { - goto aborted; - } - } - - tcp_input_pcb = NULL;//���ȫ�ֱ��� - /* Try to send something out. */ - tcp_output(pcb);//����������� -#if TCP_INPUT_DEBUG -#if TCP_DEBUG - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ -#endif /* TCP_INPUT_DEBUG */ - } - } - /* Jump target if pcb has been aborted in a callback (by calling tcp_abort()). - Below this line, 'pcb' may not be dereferenced! */ -aborted: - tcp_input_pcb = NULL; - recv_data = NULL; - - /* give up our reference to inseg.p */ - if (inseg.p != NULL) - { - pbuf_free(inseg.p);//�ͷ�buffer - inseg.p = NULL; - } - - /*add processing queue segments that arrive out of order by LiuHan*/ -#if TCP_QUEUE_OOSEQ - extern char RxNodeNum(void); - if (RxNodeNum() < 2){ - extern void pbuf_free_ooseq_new(void* arg); -// os_printf("reclaim some memory from queued\n"); - pbuf_free_ooseq_new(NULL); - } -#endif - } else { - - /* If no matching PCB was found, send a TCP RST (reset) to the - sender. */ - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_input: no PCB match found, resetting.\n")); - if (!(TCPH_FLAGS(tcphdr) & TCP_RST)) { - TCP_STATS_INC(tcp.proterr);//�������� - TCP_STATS_INC(tcp.drop);//tcp������� - tcp_rst(ackno, seqno + tcplen, - ip_current_dest_addr(), ip_current_src_addr(), - tcphdr->dest, tcphdr->src);//����TCP��λ - } - pbuf_free(p); - } - - LWIP_ASSERT("tcp_input: tcp_pcbs_sane()", tcp_pcbs_sane()); - PERF_STOP("tcp_input"); -} - -/** - * Called by tcp_input() when a segment arrives for a listening - * connection (from tcp_input()). - * - * @param pcb the tcp_pcb_listen for which a segment arrived - * @return ERR_OK if the segment was processed - * another err_t on error - * - * @note the return value is not (yet?) used in tcp_input() - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ - /* -*����LISTEN״̬�Ŀ��ƿ���øú��� -*ͨ���Ƿ�������������һ���˿ڲ�����ͻ���SYN�������� -* -*/ -static err_t -tcp_listen_input(struct tcp_pcb_listen *pcb) -{ - struct tcp_pcb *npcb; - struct tcp_pcb *pactive_pcb; - u8_t active_pcb_num = 0; - err_t rc; - - /* In the LISTEN state, we check for incoming SYN segments, - creates a new PCB, and responds with a SYN|ACK. */ - if (flags & TCP_ACK) { - /* For incoming segments with the ACK flag set, respond with a - RST. */ - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_listen_input: ACK in LISTEN, sending reset\n")); - tcp_rst(ackno + 1, seqno + tcplen, - ip_current_dest_addr(), ip_current_src_addr(), - tcphdr->dest, tcphdr->src); - } else if (flags & TCP_SYN) {//�յ�SYN���� - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection request %"U16_F" -> %"U16_F".\n", tcphdr->src, tcphdr->dest)); -#if TCP_LISTEN_BACKLOG - if (pcb->accepts_pending >= pcb->backlog) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: listen backlog exceeded for port %"U16_F"\n", tcphdr->dest)); - return ERR_ABRT; - } -#endif /* TCP_LISTEN_BACKLOG */ - for(pactive_pcb = tcp_active_pcbs; pactive_pcb != NULL; pactive_pcb = pactive_pcb->next){ - if (pactive_pcb->state == ESTABLISHED){ - active_pcb_num ++; - } - } - if (active_pcb_num == MEMP_NUM_TCP_PCB){ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: exceed the number of active TCP connections\n")); - TCP_STATS_INC(tcp.memerr); - return ERR_MEM; - } - npcb = tcp_alloc(pcb->prio);//�������ƿ� - /* If a new PCB could not be created (probably due to lack of memory), - we don't do anything, but rely on the sender will retransmit the - SYN at a time when we have more memory available. */ - if (npcb == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: could not allocate PCB\n")); - TCP_STATS_INC(tcp.memerr);//TCP�ڴ������� - return ERR_MEM; - } - -#if TCP_LISTEN_BACKLOG - pcb->accepts_pending++; -#endif /* TCP_LISTEN_BACKLOG */ - /* Set up the new PCB. */ - //���ƿ���������ص�4���ֶ� - ip_addr_copy(npcb->local_ip, current_iphdr_dest); - npcb->local_port = pcb->local_port; - ip_addr_copy(npcb->remote_ip, current_iphdr_src); - npcb->remote_port = tcphdr->src; - - //���ƿ��������ֶ� - npcb->state = SYN_RCVD;//��������״̬ - npcb->rcv_nxt = seqno + 1;//������һ������������ - npcb->rcv_ann_right_edge = npcb->rcv_nxt; - npcb->snd_wnd = tcphdr->wnd;//���÷��ʹ��� - npcb->ssthresh = npcb->snd_wnd; - npcb->snd_wl1 = seqno - 1;/* initialise to seqno-1 to force window update */ - npcb->callback_arg = pcb->callback_arg; -#if LWIP_CALLBACK_API - npcb->accept = pcb->accept; -#endif /* LWIP_CALLBACK_API */ - /* inherit socket options */ - npcb->so_options = pcb->so_options & SOF_INHERITED; - /* Register the new PCB so that we can begin receiving segments - for it. */ - TCP_REG(&tcp_active_pcbs, npcb); - - /* Parse any options in the SYN. */ - tcp_parseopt(npcb); -#if TCP_CALCULATE_EFF_SEND_MSS - npcb->mss = tcp_eff_send_mss(npcb->mss, &(npcb->remote_ip)); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - - snmp_inc_tcppassiveopens(); - - /* Send a SYN|ACK together with the MSS option. */ - rc = tcp_enqueue_flags(npcb, TCP_SYN | TCP_ACK); - if (rc != ERR_OK) {//��������ͷ��¿��ƿ� - tcp_abandon(npcb, 0); - return rc; - } - return tcp_output(npcb);//���ͱ��� - } - return ERR_OK; -} - -/** - * Called by tcp_input() when a segment arrives for a connection in - * TIME_WAIT. - * - * @param pcb the tcp_pcb for which a segment arrived - * - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ - /* -*����TIME_WAIT״̬�Ŀ��ƿ���øú������յ��ı��ĶΣ� -*��״̬�£��ر����ӵ����ֹ���Ѿ��������ڵȴ�2MSL��ʱ�� -*��״̬�µı��Ķ����������еľ���ݣ�ֱ��ɾ��ɡ� -*����Ҫ���ͷ�����ACK���� -*/ -static err_t -tcp_timewait_input(struct tcp_pcb *pcb) -{ - - if (flags & TCP_RST) { //RST��λ��ֱ�ӷ��� - return ERR_OK; - } - - if (flags & TCP_SYN) { //��SYN������Ϣ����������ݱ���ڽ��մ����ڣ����ͷ�����RST���� - - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt+pcb->rcv_wnd)) { - - tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(), - tcphdr->dest, tcphdr->src); - return ERR_OK; - } - } else if (flags & TCP_FIN) { //����FIN������Ϣ - - pcb->tmr = tcp_ticks; //��λ�ȴ�2MSLʱ�䣬���ƿ����µȴ�2MSL - } - - if ((tcplen > 0)) { //��������ݵı��Ļ����ڽ��մ������SYN���� - pcb->flags |= TF_ACK_NOW;//����һ��ACK���� - return tcp_output(pcb); - } - return ERR_OK; -} - -/** - * Implements the TCP state machine. Called by tcp_input. In some - * states tcp_receive() is called to receive data. The tcp_seg - * argument will be freed by the caller (tcp_input()) unless the - * recv_data pointer in the pcb is set. - * - * @param pcb the tcp_pcb for which a segment arrived - * - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ -static err_t -tcp_process(struct tcp_pcb *pcb) -{ - struct tcp_seg *rseg; - u8_t acceptable = 0; - err_t err; - - err = ERR_OK; - - /* Process incoming RST segments. */ - if (flags & TCP_RST) { - /* First, determine if the reset is acceptable. */ - if (pcb->state == SYN_SENT) { - if (ackno == pcb->snd_nxt) { - acceptable = 1; - } - } else { - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, - pcb->rcv_nxt+pcb->rcv_wnd)) { - acceptable = 1; - } - } - - if (acceptable) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: Connection RESET\n")); - LWIP_ASSERT("tcp_input: pcb->state != CLOSED", pcb->state != CLOSED); - recv_flags |= TF_RESET; - pcb->flags &= ~TF_ACK_DELAY; - return ERR_RST; - } else { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n", - seqno, pcb->rcv_nxt)); - LWIP_DEBUGF(TCP_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n", - seqno, pcb->rcv_nxt)); - return ERR_OK; - } - } - - if ((flags & TCP_SYN) && (pcb->state != SYN_SENT && pcb->state != SYN_RCVD)) { - /* Cope with new connection attempt after remote end crashed */ - tcp_ack_now(pcb); - return ERR_OK; - } - - if ((pcb->flags & TF_RXCLOSED) == 0) { - /* Update the PCB (in)activity timer unless rx is closed (see tcp_shutdown) */ - pcb->tmr = tcp_ticks; - } - pcb->keep_cnt_sent = 0; - - tcp_parseopt(pcb); - - /* Do different things depending on the TCP state. */ - switch (pcb->state) { - case SYN_SENT: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("SYN-SENT: ackno %"U32_F" pcb->snd_nxt %"U32_F" unacked %"U32_F"\n", ackno, - pcb->snd_nxt, ntohl(pcb->unacked->tcphdr->seqno))); - /* received SYN ACK with expected sequence number? */ - if ((flags & TCP_ACK) && (flags & TCP_SYN) - && ackno == ntohl(pcb->unacked->tcphdr->seqno) + 1) { - pcb->snd_buf++; - pcb->rcv_nxt = seqno + 1; - pcb->rcv_ann_right_edge = pcb->rcv_nxt; - pcb->lastack = ackno; - pcb->snd_wnd = tcphdr->wnd; - pcb->snd_wl1 = seqno - 1; /* initialise to seqno - 1 to force window update */ - pcb->state = ESTABLISHED; - -#if TCP_CALCULATE_EFF_SEND_MSS - pcb->mss = tcp_eff_send_mss(pcb->mss, &(pcb->remote_ip)); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - - /* Set ssthresh again after changing pcb->mss (already set in tcp_connect - * but for the default value of pcb->mss) */ - pcb->ssthresh = pcb->mss * 10; - - pcb->cwnd = ((pcb->cwnd == 1) ? (pcb->mss * 2) : pcb->mss); - LWIP_ASSERT("pcb->snd_queuelen > 0", (pcb->snd_queuelen > 0)); - --pcb->snd_queuelen; - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_process: SYN-SENT --queuelen %"U16_F"\n", (u16_t)pcb->snd_queuelen)); - rseg = pcb->unacked; - pcb->unacked = rseg->next; - - /* If there's nothing left to acknowledge, stop the retransmit - timer, otherwise reset it to start again */ - if(pcb->unacked == NULL) - pcb->rtime = -1; - else { - pcb->rtime = 0; -// pcb->nrtx = 0; - } - pcb->nrtx = 0; - - tcp_seg_free(rseg); - - /* Call the user specified function to call when sucessfully - * connected. */ - TCP_EVENT_CONNECTED(pcb, ERR_OK, err); - if (err == ERR_ABRT) { - return ERR_ABRT; - } - tcp_ack_now(pcb); - } - /* received ACK? possibly a half-open connection */ - else if (flags & TCP_ACK) { - /* send a RST to bring the other side in a non-synchronized state. */ - tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(), - tcphdr->dest, tcphdr->src); - } - break; - case SYN_RCVD: - if (flags & TCP_ACK) { - /* expected ACK number? */ - if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)) { - u16_t old_cwnd; - pcb->state = ESTABLISHED; - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection established %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); -#if LWIP_CALLBACK_API - LWIP_ASSERT("pcb->accept != NULL", pcb->accept != NULL); -#endif - /* Call the accept function. */ - TCP_EVENT_ACCEPT(pcb, ERR_OK, err); - if (err != ERR_OK) { - /* If the accept function returns with an error, we abort - * the connection. */ - /* Already aborted? */ - if (err != ERR_ABRT) { - tcp_abort(pcb); - } - return ERR_ABRT; - } - old_cwnd = pcb->cwnd; - /* If there was any data contained within this ACK, - * we'd better pass it on to the application as well. */ - tcp_receive(pcb); - - /* Prevent ACK for SYN to generate a sent event */ - if (pcb->acked != 0) { - pcb->acked--; - } - - pcb->cwnd = ((old_cwnd == 1) ? (pcb->mss * 2) : pcb->mss); - - if (recv_flags & TF_GOT_FIN) { - tcp_ack_now(pcb); - pcb->state = CLOSE_WAIT; - } - } else { - /* incorrect ACK number, send RST */ - tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(), - tcphdr->dest, tcphdr->src); - } - } else if ((flags & TCP_SYN) && (seqno == pcb->rcv_nxt - 1)) { - /* Looks like another copy of the SYN - retransmit our SYN-ACK */ - tcp_rexmit(pcb); - } - break; - case CLOSE_WAIT: - /* FALLTHROUGH */ - case ESTABLISHED: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { /* passive close */ - tcp_ack_now(pcb); - pcb->state = CLOSE_WAIT; - } - break; - case FIN_WAIT_1: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { - if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) { - LWIP_DEBUGF(TCP_DEBUG, - ("TCP connection closed: FIN_WAIT_1 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_ack_now(pcb); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); - #if MEMP_NUM_TCP_PCB_TIME_WAIT - TCP_TW_LIMIT(MEMP_NUM_TCP_PCB_TIME_WAIT); - #endif - } else { - tcp_ack_now(pcb); - pcb->state = CLOSING; - } - } else if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) { - pcb->state = FIN_WAIT_2; - } - break; - case FIN_WAIT_2: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: FIN_WAIT_2 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_ack_now(pcb); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); -#if MEMP_NUM_TCP_PCB_TIME_WAIT - TCP_TW_LIMIT(MEMP_NUM_TCP_PCB_TIME_WAIT); -#endif - } - break; - case CLOSING: - tcp_receive(pcb); - if (flags & TCP_ACK && ackno == pcb->snd_nxt) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: CLOSING %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); -#if MEMP_NUM_TCP_PCB_TIME_WAIT - TCP_TW_LIMIT(MEMP_NUM_TCP_PCB_TIME_WAIT); -#endif - } - break; - case LAST_ACK: - tcp_receive(pcb); - if (flags & TCP_ACK && ackno == pcb->snd_nxt) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: LAST_ACK %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - /* bugfix #21699: don't set pcb->state to CLOSED here or we risk leaking segments */ - recv_flags |= TF_CLOSED; - } - break; - default: - break; - } - return ERR_OK; -} - -#if TCP_QUEUE_OOSEQ -/** - * Insert segment into the list (segments covered with new one will be deleted) - * - * Called from tcp_receive() - */ -static void ICACHE_FLASH_ATTR -tcp_oos_insert_segment(struct tcp_seg *cseg, struct tcp_seg *next) -{ - struct tcp_seg *old_seg; - - if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) { - /* received segment overlaps all following segments */ - tcp_segs_free(next); - next = NULL; - } - else { - /* delete some following segments - oos queue may have segments with FIN flag */ - while (next && - TCP_SEQ_GEQ((seqno + cseg->len), - (next->tcphdr->seqno + next->len))) { - /* cseg with FIN already processed */ - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) { - TCPH_SET_FLAG(cseg->tcphdr, TCP_FIN); - } - old_seg = next; - next = next->next; - tcp_seg_free(old_seg); - } - if (next && - TCP_SEQ_GT(seqno + cseg->len, next->tcphdr->seqno)) { - /* We need to trim the incoming segment. */ - cseg->len = (u16_t)(next->tcphdr->seqno - seqno); - pbuf_realloc(cseg->p, cseg->len); - } - } - cseg->next = next; -} -#endif /* TCP_QUEUE_OOSEQ */ - -/** - * Called by tcp_process. Checks if the given segment is an ACK for outstanding - * data, and if so frees the memory of the buffered data. Next, is places the - * segment on any of the receive queues (pcb->recved or pcb->ooseq). If the segment - * is buffered, the pbuf is referenced by pbuf_ref so that it will not be freed until - * i it has been removed from the buffer. - * - * If the incoming segment constitutes an ACK for a segment that was used for RTT - * estimation, the RTT is estimated here as well. - * - * Called from tcp_process(). - */ -static void -tcp_receive(struct tcp_pcb *pcb) -{ - struct tcp_seg *next; -#if TCP_QUEUE_OOSEQ - struct tcp_seg *prev, *cseg; -#endif /* TCP_QUEUE_OOSEQ */ - struct pbuf *p; - s32_t off; - s16_t m; - u32_t right_wnd_edge; - u16_t new_tot_len; - int found_dupack = 0; - - if (flags & TCP_ACK) {//����ACK - right_wnd_edge = pcb->snd_wnd + pcb->snd_wl2;//���ʹ��� + ����Ӧ����󴰿ڸ��� - - // first /* Update window. */ - /*seqno > snd_wl1���������ֹ�̲��ô��ָ���; - *seqno = snd_wl1����ackno > snd_wl2;��ʱ���Է�û�з�����ݣ�ֻ���յ���ݵ�ȷ��; - *ackno = snd_wl2�ұ����ײ��б�snd_wnd���Ĵ���.����������Ӧֵ - */ - if (TCP_SEQ_LT(pcb->snd_wl1, seqno) || - (pcb->snd_wl1 == seqno && TCP_SEQ_LT(pcb->snd_wl2, ackno)) || - (pcb->snd_wl2 == ackno && tcphdr->wnd > pcb->snd_wnd)) { - pcb->snd_wnd = tcphdr->wnd; - pcb->snd_wl1 = seqno; - pcb->snd_wl2 = ackno; - if (pcb->snd_wnd > 0 && pcb->persist_backoff > 0) { - pcb->persist_backoff = 0;//�����ʱ���˳� - } - LWIP_DEBUGF(TCP_WND_DEBUG, ("tcp_receive: window update %"U16_F"\n", pcb->snd_wnd)); -#if TCP_WND_DEBUG - } else { - if (pcb->snd_wnd != tcphdr->wnd) { - LWIP_DEBUGF(TCP_WND_DEBUG, - ("tcp_receive: no window update lastack %"U32_F" ackno %" - U32_F" wl1 %"U32_F" seqno %"U32_F" wl2 %"U32_F"\n", - pcb->lastack, ackno, pcb->snd_wl1, seqno, pcb->snd_wl2)); - } -#endif /* TCP_WND_DEBUG */ - } - - /* (From Stevens TCP/IP Illustrated Vol II, p970.) Its only a - * duplicate ack if: - * 1) It doesn't ACK new data û��ȷ������� - * 2) length of received packet is zero (i.e. no payload) ���Ķ����κ���� - * 3) the advertised window hasn't changed ���ش���û�и��� - * 4) There is outstanding unacknowledged data (retransmission timer running)������ݵȴ�ȷ�� - * 5) The ACK is == biggest ACK sequence number so far seen (snd_una) ackno = lastack - * - * If it passes all five, should process as a dupack: - * a) dupacks < 3: do nothing - * b) dupacks == 3: fast retransmit - * c) dupacks > 3: increase cwnd - * - * If it only passes 1-3, should reset dupack counter (and add to - * stats, which we don't do in lwIP) - * - * If it only passes 1, should reset dupack counter - * - */ - - /* Clause 1 */ - if (TCP_SEQ_LEQ(ackno, pcb->lastack)) {//���ظ�ACK? - pcb->acked = 0; - /* Clause 2 */ - if (tcplen == 0) { - /* Clause 3 */ - if (pcb->snd_wl2 + pcb->snd_wnd == right_wnd_edge){ - /* Clause 4 */ - if (pcb->rtime >= 0) { - /* Clause 5 */ - if (pcb->lastack == ackno) { - found_dupack = 1; - if (pcb->dupacks + 1 > pcb->dupacks) - ++pcb->dupacks; - if (pcb->dupacks > 3) { - /* Inflate the congestion window, but not if it means that - the value overflows. */ - if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) { - pcb->cwnd += pcb->mss; - } - } else if (pcb->dupacks == 3) {//���ظ�ACK - /* Do fast retransmit */ - tcp_rexmit_fast(pcb); - } - } - } - } - } - /* If Clause (1) or more is true, but not a duplicate ack, reset - * count of consecutive duplicate acks */ - if (!found_dupack) { - pcb->dupacks = 0; - } - } else if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)){//ackno��lastack+1��snd_nxt֮�䣬�жϷ��ʹ�������� - /* We come here when the ACK acknowledges new data. */ - - if (pcb->flags & TF_INFR) { - pcb->flags &= ~TF_INFR;// Reset the "IN Fast Retransmit" flag,since we are no longer in fast retransmit - pcb->cwnd = pcb->ssthresh;//Reset the congestion window to the "slow start threshold". - } - - /* Reset the number of retransmissions. */ - pcb->nrtx = 0; - - /* Reset the retransmission time-out. */ - pcb->rto = (pcb->sa >> 3) + pcb->sv; - - /* Update the send buffer space. Diff between the two can never exceed 64K? */ - pcb->acked = (u16_t)(ackno - pcb->lastack); - - pcb->snd_buf += pcb->acked; - - /* Reset the fast retransmit variables. */ - pcb->dupacks = 0; - pcb->lastack = ackno; - - /* Update the congestion control variables (cwnd and - ssthresh). */ - if (pcb->state >= ESTABLISHED) {//״̬Ϊ�������ӱ�־ - if (pcb->cwnd < pcb->ssthresh) { - if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) { - pcb->cwnd += pcb->mss; - } - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: slow start cwnd %"U16_F"\n", pcb->cwnd)); - } else { - u16_t new_cwnd = (pcb->cwnd + pcb->mss * pcb->mss / pcb->cwnd); - if (new_cwnd > pcb->cwnd) { - pcb->cwnd = new_cwnd; - } - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: congestion avoidance cwnd %"U16_F"\n", pcb->cwnd)); - } - } - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: ACK for %"U32_F", unacked->seqno %"U32_F":%"U32_F"\n", - ackno, - pcb->unacked != NULL? - ntohl(pcb->unacked->tcphdr->seqno): 0, - pcb->unacked != NULL? - ntohl(pcb->unacked->tcphdr->seqno) + TCP_TCPLEN(pcb->unacked): 0)); - - /* Remove segment from the unacknowledged list if the incoming - ACK acknowlegdes them. - *�ͷ�unacked�����ϱ�ȷ�ϵı��ĶΣ� - *ֱ��unacked����Ϊ��ֹͣ*/ - while (pcb->unacked != NULL && - TCP_SEQ_LEQ(ntohl(pcb->unacked->tcphdr->seqno) + - TCP_TCPLEN(pcb->unacked), ackno)) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unacked\n", - ntohl(pcb->unacked->tcphdr->seqno), - ntohl(pcb->unacked->tcphdr->seqno) + - TCP_TCPLEN(pcb->unacked))); - - next = pcb->unacked;//pcb unacked��־ - pcb->unacked = pcb->unacked->next;//pcb unacked ��һ����־ - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen)); - LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p))); - /* Prevent ACK for FIN to generate a sent event */ - if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) { - pcb->acked--; - } - - pcb->snd_queuelen -= pbuf_clen(next->p);//�������������pbufs���� - tcp_seg_free(next);//�ͷ�tcp�� - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unacked)\n", (u16_t)pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_receive: valid queue length", pcb->unacked != NULL || - pcb->unsent != NULL); - } - } - - /* If there's nothing left to acknowledge, stop the retransmit - timer, otherwise reset it to start again */ - if(pcb->unacked == NULL) //����ݵȴ�ȷ�� - pcb->rtime = -1; //ֹͣ�ش���ʱ�� - else - pcb->rtime = 0; //��λ�ش���ʱ�� - - pcb->polltmr = 0; - } else { - /* Fix bug bug #21582: out of sequence ACK, didn't really ack anything */ - pcb->acked = 0; - } - - /* We go through the ->unsent list to see if any of the segments - on the list are acknowledged by the ACK. This may seem - strange since an "unsent" segment shouldn't be acked. The - rationale is that lwIP puts all outstanding segments on the - ->unsent list after a retransmission, so these segments may - in fact have been sent once. */ - /** unsent�������Ƿ��ܱ�acknoȷ�ϵı��ĶΣ������ͷ�**/ - while (pcb->unsent != NULL && - TCP_SEQ_BETWEEN(ackno, ntohl(pcb->unsent->tcphdr->seqno) + - TCP_TCPLEN(pcb->unsent), pcb->snd_nxt)) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unsent\n", - ntohl(pcb->unsent->tcphdr->seqno), ntohl(pcb->unsent->tcphdr->seqno) + - TCP_TCPLEN(pcb->unsent))); - - next = pcb->unsent;//pcbδ���ͱ�־ - pcb->unsent = pcb->unsent->next;//δ���͵���һ�� - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen)); - LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p))); - /* Prevent ACK for FIN to generate a sent event */ - if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) { - pcb->acked--; - } - pcb->snd_queuelen -= pbuf_clen(next->p);//������pbuf�ĸ��� - tcp_seg_free(next);//�ͷŶ� - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unsent)\n", (u16_t)pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) {//��������� - LWIP_ASSERT("tcp_receive: valid queue length", - pcb->unacked != NULL || pcb->unsent != NULL); - } - } - /* End of ACK for new data processing. */ - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: pcb->rttest %"U32_F" rtseq %"U32_F" ackno %"U32_F"\n", - pcb->rttest, pcb->rtseq, ackno)); - - /* RTT estimation calculations. This is done by checking if the - incoming segment acknowledges the segment we use to take a - round-trip time measurement. */ - if (pcb->rttest && TCP_SEQ_LT(pcb->rtseq, ackno)) {//RTT���ڽ����Ҹñ��Ķα�ȷ�� - /* diff between this shouldn't exceed 32K since this are tcp timer ticks - and a round-trip shouldn't be that long... */ - m = (s16_t)(tcp_ticks - pcb->rttest);//����MÖµ - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: experienced rtt %"U16_F" ticks (%"U16_F" msec).\n", - m, m * TCP_SLOW_INTERVAL)); - - /* This is taken directly from VJs original code in his paper �����RTT���㹫ʽ*/ - m = m - (pcb->sa >> 3); - pcb->sa += m; - if (m < 0) { - m = -m; - } - m = m - (pcb->sv >> 2); - pcb->sv += m; - pcb->rto = (pcb->sa >> 3) + pcb->sv; - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: RTO %"U16_F" (%"U16_F" milliseconds)\n", - pcb->rto, pcb->rto * TCP_SLOW_INTERVAL)); - - pcb->rttest = 0; - } - } - - /* If the incoming segment contains data, we must process it - further. */ - if (tcplen > 0) { - /* This code basically does three things: - - +) If the incoming segment contains data that is the next - in-sequence data, this data is passed to the application. This - might involve trimming the first edge of the data. The rcv_nxt - variable and the advertised window are adjusted. - - +) If the incoming segment has data that is above the next - sequence number expected (->rcv_nxt), the segment is placed on - the ->ooseq queue. This is done by finding the appropriate - place in the ->ooseq queue (which is ordered by sequence - number) and trim the segment in both ends if needed. An - immediate ACK is sent to indicate that we received an - out-of-sequence segment. - - +) Finally, we check if the first segment on the ->ooseq queue - now is in sequence (i.e., if rcv_nxt >= ooseq->seqno). If - rcv_nxt > ooseq->seqno, we must trim the first edge of the - segment on ->ooseq before we adjust rcv_nxt. The data in the - segments that are now on sequence are chained onto the - incoming segment so that we only need to call the application - once. - */ - - /* First, we check if we must trim the first edge. We have to do - this if the sequence number of the incoming segment is less - than rcv_nxt, and the sequence number plus the length of the - segment is larger than rcv_nxt. */ - /* if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){ - if (TCP_SEQ_LT(pcb->rcv_nxt, seqno + tcplen)) {*/ - if (TCP_SEQ_BETWEEN(pcb->rcv_nxt, seqno + 1, seqno + tcplen - 1)){// seqno < rcv_nxt < seqno + tcplen - /* Trimming the first edge is done by pushing the payload - pointer in the pbuf downwards. This is somewhat tricky since - we do not want to discard the full contents of the pbuf up to - the new starting point of the data since we have to keep the - TCP header which is present in the first pbuf in the chain. - - What is done is really quite a nasty hack: the first pbuf in - the pbuf chain is pointed to by inseg.p. Since we need to be - able to deallocate the whole pbuf, we cannot change this - inseg.p pointer to point to any of the later pbufs in the - chain. Instead, we point the ->payload pointer in the first - pbuf to data in one of the later pbufs. We also set the - inseg.data pointer to point to the right place. This way, the - ->p pointer will still point to the first pbuf, but the - ->p->payload pointer will point to data in another pbuf. - - After we are done with adjusting the pbuf pointers we must - adjust the ->data pointer in the seg and the segment - length.*/ - //ȥ�����Ķ�����ݱ�ŵ���rcv_nxt����� - off = pcb->rcv_nxt - seqno; - p = inseg.p; - LWIP_ASSERT("inseg.p != NULL", inseg.p); - LWIP_ASSERT("insane offset!", (off < 0x7fff)); - if (inseg.p->len < off) { - LWIP_ASSERT("pbuf too short!", (((s32_t)inseg.p->tot_len) >= off)); - new_tot_len = (u16_t)(inseg.p->tot_len - off); - while (p->len < off) { - off -= p->len; - /* KJM following line changed (with addition of new_tot_len var) - to fix bug #9076 - inseg.p->tot_len -= p->len; */ - p->tot_len = new_tot_len; - p->len = 0; - p = p->next; - } - if(pbuf_header(p, (s16_t)-off)) { - /* Do we need to cope with this failing? Assert for now */ - LWIP_ASSERT("pbuf_header failed", 0); - } - } else { - if(pbuf_header(inseg.p, (s16_t)-off)) { - /* Do we need to cope with this failing? Assert for now */ - LWIP_ASSERT("pbuf_header failed", 0); - } - } - inseg.len -= (u16_t)(pcb->rcv_nxt - seqno); - inseg.tcphdr->seqno = seqno = pcb->rcv_nxt; - } - else { - if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){//seqno < rcv_nxt - /* the whole segment is < rcv_nxt */ - /* must be a duplicate of a packet that has already been correctly handled */ - //���Ķ���������ݱ�ž�С��rcv_nxt����˱������ظ����ģ� - //ֱ����Դ����ӦACK���Ĵ��� - - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: duplicate seqno %"U32_F"\n", seqno)); - tcp_ack_now(pcb); - } - } - - /* The sequence number must be within the window (above rcv_nxt - and below rcv_nxt + rcv_wnd) in order to be further - processed. */ - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, - pcb->rcv_nxt + pcb->rcv_wnd - 1)){//rcv_nxt < seqno < rcv_nxt + rcv_wnd - 1,������ڽ��շ�Χ�� - if (pcb->rcv_nxt == seqno) { - /* The incoming segment is the next in sequence. We check if - we have to trim the end of the segment and update rcv_nxt - and pass the data to the application. */ - tcplen = TCP_TCPLEN(&inseg);//���㱨�Ķγ��� - - if (tcplen > pcb->rcv_wnd) {//������մ��ڴ�С��������β���ض� - LWIP_DEBUGF(TCP_INPUT_DEBUG, - ("tcp_receive: other end overran receive window" - "seqno %"U32_F" len %"U16_F" right edge %"U32_F"\n", - seqno, tcplen, pcb->rcv_nxt + pcb->rcv_wnd)); - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - /* Must remove the FIN from the header as we're trimming - * that byte of sequence-space from the packet */ - TCPH_FLAGS_SET(inseg.tcphdr, TCPH_FLAGS(inseg.tcphdr) &~ TCP_FIN); - } - /* Adjust length of segment to fit in the window. */ - inseg.len = pcb->rcv_wnd; - if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) { - inseg.len -= 1; - } - pbuf_realloc(inseg.p, inseg.len); - tcplen = TCP_TCPLEN(&inseg); - LWIP_ASSERT("tcp_receive: segment not trimmed correctly to rcv_wnd\n", - (seqno + tcplen) == (pcb->rcv_nxt + pcb->rcv_wnd)); - } -#if TCP_QUEUE_OOSEQ - /* Received in-sequence data, adjust ooseq data if: - - FIN has been received or - - inseq overlaps with ooseq */ - if (pcb->ooseq != NULL) { - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, - ("tcp_receive: received in-order FIN, binning ooseq queue\n")); - /* Received in-order FIN means anything that was received - * out of order must now have been received in-order, so - * bin the ooseq queue */ - while (pcb->ooseq != NULL) { - struct tcp_seg *old_ooseq = pcb->ooseq; - pcb->ooseq = pcb->ooseq->next; - tcp_seg_free(old_ooseq); - } - } - else { - next = pcb->ooseq; - /* Remove all segments on ooseq that are covered by inseg already. - * FIN is copied from ooseq to inseg if present. */ - while (next && - TCP_SEQ_GEQ(seqno + tcplen, - next->tcphdr->seqno + next->len)) { - /* inseg cannot have FIN here (already processed above) */ - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN && - (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) == 0) { - TCPH_SET_FLAG(inseg.tcphdr, TCP_FIN); - tcplen = TCP_TCPLEN(&inseg); - } - prev = next; - next = next->next; - tcp_seg_free(prev); - } - /* Now trim right side of inseg if it overlaps with the first - * segment on ooseq */ - if (next && - TCP_SEQ_GT(seqno + tcplen, - next->tcphdr->seqno)) { - /* inseg cannot have FIN here (already processed above) */ - inseg.len = (u16_t)(next->tcphdr->seqno - seqno); - if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) { - inseg.len -= 1; - } - pbuf_realloc(inseg.p, inseg.len); - tcplen = TCP_TCPLEN(&inseg); - LWIP_ASSERT("tcp_receive: segment not trimmed correctly to ooseq queue\n", - (seqno + tcplen) == next->tcphdr->seqno); - } - pcb->ooseq = next; - } - } -#endif /* TCP_QUEUE_OOSEQ */ - - pcb->rcv_nxt = seqno + tcplen; - - /* Update the receiver's (our) window. */ - LWIP_ASSERT("tcp_receive: tcplen > rcv_wnd\n", pcb->rcv_wnd >= tcplen); - pcb->rcv_wnd -= tcplen; - - tcp_update_rcv_ann_wnd(pcb); - - /* If there is data in the segment, we make preparations to - pass this up to the application. The ->recv_data variable - is used for holding the pbuf that goes to the - application. The code for reassembling out-of-sequence data - chains its data on this pbuf as well. - - If the segment was a FIN, we set the TF_GOT_FIN flag that will - be used to indicate to the application that the remote side has - closed its end of the connection. */ - if (inseg.p->tot_len > 0) { - recv_data = inseg.p; - /* Since this pbuf now is the responsibility of the - application, we delete our reference to it so that we won't - (mistakingly) deallocate it. */ - inseg.p = NULL; - } - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: received FIN.\n")); - recv_flags |= TF_GOT_FIN; - } - -#if TCP_QUEUE_OOSEQ - /* We now check if we have segments on the ->ooseq queue that - are now in sequence. */ - while (pcb->ooseq != NULL && - pcb->ooseq->tcphdr->seqno == pcb->rcv_nxt) { - - cseg = pcb->ooseq; - seqno = pcb->ooseq->tcphdr->seqno; - - pcb->rcv_nxt += TCP_TCPLEN(cseg); - LWIP_ASSERT("tcp_receive: ooseq tcplen > rcv_wnd\n", - pcb->rcv_wnd >= TCP_TCPLEN(cseg)); - pcb->rcv_wnd -= TCP_TCPLEN(cseg); - - tcp_update_rcv_ann_wnd(pcb); - - if (cseg->p->tot_len > 0) { - /* Chain this pbuf onto the pbuf that we will pass to - the application. */ - if (recv_data) { - pbuf_cat(recv_data, cseg->p); - } else { - recv_data = cseg->p; - } - cseg->p = NULL; - } - if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: dequeued FIN.\n")); - recv_flags |= TF_GOT_FIN; - if (pcb->state == ESTABLISHED) { /* force passive close or we can move to active close */ - pcb->state = CLOSE_WAIT; - } - } - - pcb->ooseq = cseg->next; - tcp_seg_free(cseg); - } -#endif /* TCP_QUEUE_OOSEQ */ - - - /* Acknowledge the segment(s). */ - tcp_ack(pcb); - - } else { - /* We get here if the incoming segment is out-of-sequence. */ - tcp_send_empty_ack(pcb); -#if TCP_QUEUE_OOSEQ - /* We queue the segment on the ->ooseq queue. */ - if (pcb->ooseq == NULL) { - pcb->ooseq = tcp_seg_copy(&inseg); - } else { - /* If the queue is not empty, we walk through the queue and - try to find a place where the sequence number of the - incoming segment is between the sequence numbers of the - previous and the next segment on the ->ooseq queue. That is - the place where we put the incoming segment. If needed, we - trim the second edges of the previous and the incoming - segment so that it will fit into the sequence. - - If the incoming segment has the same sequence number as a - segment on the ->ooseq queue, we discard the segment that - contains less data. */ - - prev = NULL; - for(next = pcb->ooseq; next != NULL; next = next->next) {//��ooseqȡ�µ�M�����ĶΣ��ñ��Ķηǿգ�M++ - if (seqno == next->tcphdr->seqno) {//�ñ��Ķ���ʼ���== Ҫ����ı��Ķα�� - /* The sequence number of the incoming segment is the - same as the sequence number of the segment on - ->ooseq. We check the lengths to see which one to - discard. */ - if (inseg.len > next->len) {//Ҫ����ı��Ķα�Ÿ� - /* The incoming segment is larger than the old - segment. We replace some segments with the new - one. */ - cseg = tcp_seg_copy(&inseg);//Ҫ����ı��Ķδ����M�����Ķ� - if (cseg != NULL) { - if (prev != NULL) { - prev->next = cseg; - } else { - pcb->ooseq = cseg; - } - tcp_oos_insert_segment(cseg, next); - } - break; - } else { - /* Either the lenghts are the same or the incoming - segment was smaller than the old one; in either - case, we ditch the incoming segment. */ - break; - } - } else { - if (prev == NULL) { - if (TCP_SEQ_LT(seqno, next->tcphdr->seqno)) { - /* The sequence number of the incoming segment is lower - than the sequence number of the first segment on the - queue. We put the incoming segment first on the - queue. */ - cseg = tcp_seg_copy(&inseg); - if (cseg != NULL) { - pcb->ooseq = cseg; - tcp_oos_insert_segment(cseg, next); - } - break; - } - } else { - /*if (TCP_SEQ_LT(prev->tcphdr->seqno, seqno) && - TCP_SEQ_LT(seqno, next->tcphdr->seqno)) {*/ - if (TCP_SEQ_BETWEEN(seqno, prev->tcphdr->seqno+1, next->tcphdr->seqno-1)) { - /* The sequence number of the incoming segment is in - between the sequence numbers of the previous and - the next segment on ->ooseq. We trim trim the previous - segment, delete next segments that included in received segment - and trim received, if needed. */ - cseg = tcp_seg_copy(&inseg); - if (cseg != NULL) { - if (TCP_SEQ_GT(prev->tcphdr->seqno + prev->len, seqno)) { - /* We need to trim the prev segment. */ - prev->len = (u16_t)(seqno - prev->tcphdr->seqno); - pbuf_realloc(prev->p, prev->len); - } - prev->next = cseg; - tcp_oos_insert_segment(cseg, next); - } - break; - } - } - /* If the "next" segment is the last segment on the - ooseq queue, we add the incoming segment to the end - of the list. */ - if (next->next == NULL && - TCP_SEQ_GT(seqno, next->tcphdr->seqno)) { - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) { - /* segment "next" already contains all data */ - break; - } - next->next = tcp_seg_copy(&inseg); - if (next->next != NULL) { - if (TCP_SEQ_GT(next->tcphdr->seqno + next->len, seqno)) { - /* We need to trim the last segment. */ - next->len = (u16_t)(seqno - next->tcphdr->seqno); - pbuf_realloc(next->p, next->len); - } - /* check if the remote side overruns our receive window */ - if ((u32_t)tcplen + seqno > pcb->rcv_nxt + (u32_t)pcb->rcv_wnd) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, - ("tcp_receive: other end overran receive window" - "seqno %"U32_F" len %"U16_F" right edge %"U32_F"\n", - seqno, tcplen, pcb->rcv_nxt + pcb->rcv_wnd)); - if (TCPH_FLAGS(next->next->tcphdr) & TCP_FIN) { - /* Must remove the FIN from the header as we're trimming - * that byte of sequence-space from the packet */ - TCPH_FLAGS_SET(next->next->tcphdr, TCPH_FLAGS(next->next->tcphdr) &~ TCP_FIN); - } - /* Adjust length of segment to fit in the window. */ - next->next->len = pcb->rcv_nxt + pcb->rcv_wnd - seqno; - pbuf_realloc(next->next->p, next->next->len); - tcplen = TCP_TCPLEN(next->next); - LWIP_ASSERT("tcp_receive: segment not trimmed correctly to rcv_wnd\n", - (seqno + tcplen) == (pcb->rcv_nxt + pcb->rcv_wnd)); - } - } - break; - } - } - prev = next; - } - } -#endif /* TCP_QUEUE_OOSEQ */ - - } - } else { - /* The incoming segment is not withing the window. */ - tcp_send_empty_ack(pcb); - } - } else { - /* Segments with length 0 is taken care of here. Segments that - fall out of the window are ACKed. */ - /*if (TCP_SEQ_GT(pcb->rcv_nxt, seqno) || - TCP_SEQ_GEQ(seqno, pcb->rcv_nxt + pcb->rcv_wnd)) {*/ - if(!TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt + pcb->rcv_wnd-1)){ - tcp_ack_now(pcb);//��Դ�˷���һ������ȷ�ϱ��� - } - } -} - -/** - * Parses the options contained in the incoming segment. - * - * Called from tcp_listen_input() and tcp_process(). - * Currently, only the MSS option is supported! - * - * @param pcb the tcp_pcb for which a segment arrived - */ -static void -tcp_parseopt(struct tcp_pcb *pcb) -{ - u16_t c, max_c; - u16_t mss; - u8_t *opts, opt; -#if LWIP_TCP_TIMESTAMPS - u32_t tsval; -#endif - - opts = (u8_t *)tcphdr + TCP_HLEN; - - /* Parse the TCP MSS option, if present. */ - if(TCPH_HDRLEN(tcphdr) > 0x5) { - max_c = (TCPH_HDRLEN(tcphdr) - 5) << 2; - for (c = 0; c < max_c; ) { - opt = opts[c]; - switch (opt) { - case 0x00: - /* End of options. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: EOL\n")); - return; - case 0x01: - /* NOP option. */ - ++c; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: NOP\n")); - break; - case 0x02: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: MSS\n")); - if (opts[c + 1] != 0x04 || c + 0x04 > max_c) { - /* Bad length */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - return; - } - /* An MSS option with the right option length. */ - mss = (opts[c + 2] << 8) | opts[c + 3]; - /* Limit the mss to the configured TCP_MSS and prevent division by zero */ - pcb->mss = ((mss > TCP_MSS) || (mss == 0)) ? TCP_MSS : mss; - /* Advance to next option */ - c += 0x04; - break; -#if LWIP_TCP_TIMESTAMPS - case 0x08: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: TS\n")); - if (opts[c + 1] != 0x0A || c + 0x0A > max_c) { - /* Bad length */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - return; - } - /* TCP timestamp option with valid length */ - tsval = (opts[c+2]) | (opts[c+3] << 8) | - (opts[c+4] << 16) | (opts[c+5] << 24); - if (flags & TCP_SYN) { - pcb->ts_recent = ntohl(tsval); - pcb->flags |= TF_TIMESTAMP; - } else if (TCP_SEQ_BETWEEN(pcb->ts_lastacksent, seqno, seqno+tcplen)) { - pcb->ts_recent = ntohl(tsval); - } - /* Advance to next option */ - c += 0x0A; - break; -#endif - default: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: other\n")); - if (opts[c + 1] == 0) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - /* If the length field is zero, the options are malformed - and we don't process them further. */ - return; - } - /* All other options have a length field, so that we easily - can skip past them. */ - c += opts[c + 1]; - } - } - } -} - -#endif /* LWIP_TCP */ diff --git a/tools/sdk/lwip/src/core/tcp_out.c b/tools/sdk/lwip/src/core/tcp_out.c deleted file mode 100644 index e2f8e9aa5e..0000000000 --- a/tools/sdk/lwip/src/core/tcp_out.c +++ /dev/null @@ -1,1525 +0,0 @@ -/** - * @file - * Transmission Control Protocol, outgoing traffic - * - * The output functions of TCP. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/tcp_impl.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/sys.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/inet_chksum.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "netif/etharp.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* Define some copy-macros for checksum-on-copy so that the code looks - nicer by preventing too many ifdef's. */ -#if TCP_CHECKSUM_ON_COPY -#define TCP_DATA_COPY(dst, src, len, seg) do { \ - tcp_seg_add_chksum(LWIP_CHKSUM_COPY(dst, src, len), \ - len, &seg->chksum, &seg->chksum_swapped); \ - seg->flags |= TF_SEG_DATA_CHECKSUMMED; } while(0) -#define TCP_DATA_COPY2(dst, src, len, chksum, chksum_swapped) \ - tcp_seg_add_chksum(LWIP_CHKSUM_COPY(dst, src, len), len, chksum, chksum_swapped); -#else /* TCP_CHECKSUM_ON_COPY*/ -#define TCP_DATA_COPY(dst, src, len, seg) MEMCPY(dst, src, len) -#define TCP_DATA_COPY2(dst, src, len, chksum, chksum_swapped) MEMCPY(dst, src, len) -#endif /* TCP_CHECKSUM_ON_COPY*/ - -/** Define this to 1 for an extra check that the output checksum is valid - * (usefule when the checksum is generated by the application, not the stack) */ -#ifndef TCP_CHECKSUM_ON_COPY_SANITY_CHECK -#define TCP_CHECKSUM_ON_COPY_SANITY_CHECK 0 -#endif - -/* Forward declarations.*/ -static void tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb); - -/** Allocate a pbuf and create a tcphdr at p->payload, used for output - * functions other than the default tcp_output -> tcp_output_segment - * (e.g. tcp_send_empty_ack, etc.) - * - * @param pcb tcp pcb for which to send a packet (used to initialize tcp_hdr) - * @param optlen length of header-options - * @param datalen length of tcp data to reserve in pbuf - * @param seqno_be seqno in network byte order (big-endian) - * @return pbuf with p->payload being the tcp_hdr - */ -static struct pbuf *ICACHE_FLASH_ATTR -tcp_output_alloc_header(struct tcp_pcb *pcb, u16_t optlen, u16_t datalen, - u32_t seqno_be /* already in network byte order */) -{ - struct tcp_hdr *tcphdr; - struct pbuf *p = pbuf_alloc(PBUF_IP, TCP_HLEN + optlen + datalen, PBUF_RAM); - if (p != NULL) { - LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr", - (p->len >= TCP_HLEN + optlen)); - tcphdr = (struct tcp_hdr *)p->payload; - tcphdr->src = htons(pcb->local_port); - tcphdr->dest = htons(pcb->remote_port); - tcphdr->seqno = seqno_be; - tcphdr->ackno = htonl(pcb->rcv_nxt); - TCPH_HDRLEN_FLAGS_SET(tcphdr, (5 + optlen / 4), TCP_ACK); - tcphdr->wnd = htons(pcb->rcv_ann_wnd); - tcphdr->chksum = 0; - tcphdr->urgp = 0; - - /* If we're sending a packet, update the announced right window edge */ - pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd; - } - return p; -} - -/** - * Called by tcp_close() to send a segment including FIN flag but not data. - * - * @param pcb the tcp_pcb over which to send a segment - * @return ERR_OK if sent, another err_t otherwise - */ -err_t -tcp_send_fin(struct tcp_pcb *pcb) -{ - /* first, try to add the fin to the last unsent segment */ - if (pcb->unsent != NULL) { - struct tcp_seg *last_unsent; - for (last_unsent = pcb->unsent; last_unsent->next != NULL; - last_unsent = last_unsent->next); - - if ((TCPH_FLAGS(last_unsent->tcphdr) & (TCP_SYN | TCP_FIN | TCP_RST)) == 0) { - /* no SYN/FIN/RST flag in the header, we can add the FIN flag */ - TCPH_SET_FLAG(last_unsent->tcphdr, TCP_FIN); - return ERR_OK; - } - } - /* no data, no length, flags, copy=1, no optdata */ - return tcp_enqueue_flags(pcb, TCP_FIN); -} - -/** - * Create a TCP segment with prefilled header. - * - * Called by tcp_write and tcp_enqueue_flags. - * - * @param pcb Protocol control block for the TCP connection. - * @param p pbuf that is used to hold the TCP header. - * @param flags TCP flags for header. - * @param seqno TCP sequence number of this packet - * @param optflags options to include in TCP header - * @return a new tcp_seg pointing to p, or NULL. - * The TCP header is filled in except ackno and wnd. - * p is freed on failure. - */ -static struct tcp_seg *ICACHE_FLASH_ATTR -tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t flags, u32_t seqno, u8_t optflags) -{ - struct tcp_seg *seg; - u8_t optlen = LWIP_TCP_OPT_LENGTH(optflags); - - if ((seg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_create_segment: no memory.\n")); - pbuf_free(p); - return NULL; - } - seg->flags = optflags; - seg->next = NULL; - seg->p = p; - seg->len = p->tot_len - optlen; -#if TCP_OVERSIZE_DBGCHECK - seg->oversize_left = 0; -#endif /* TCP_OVERSIZE_DBGCHECK */ -#if TCP_CHECKSUM_ON_COPY - seg->chksum = 0; - seg->chksum_swapped = 0; - /* check optflags */ - LWIP_ASSERT("invalid optflags passed: TF_SEG_DATA_CHECKSUMMED", - (optflags & TF_SEG_DATA_CHECKSUMMED) == 0); -#endif /* TCP_CHECKSUM_ON_COPY */ - - /* build TCP header */ - if (pbuf_header(p, TCP_HLEN)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_create_segment: no room for TCP header in pbuf.\n")); - TCP_STATS_INC(tcp.err); - tcp_seg_free(seg); - return NULL; - } - seg->tcphdr = (struct tcp_hdr *)seg->p->payload; - seg->tcphdr->src = htons(pcb->local_port); - seg->tcphdr->dest = htons(pcb->remote_port); - seg->tcphdr->seqno = htonl(seqno); - /* ackno is set in tcp_output */ - TCPH_HDRLEN_FLAGS_SET(seg->tcphdr, (5 + optlen / 4), flags); - /* wnd and chksum are set in tcp_output */ - seg->tcphdr->urgp = 0; - return seg; -} - -/** - * Allocate a PBUF_RAM pbuf, perhaps with extra space at the end. - * - * This function is like pbuf_alloc(layer, length, PBUF_RAM) except - * there may be extra bytes available at the end. - * - * @param layer flag to define header size. - * @param length size of the pbuf's payload. - * @param max_length maximum usable size of payload+oversize. - * @param oversize pointer to a u16_t that will receive the number of usable tail bytes. - * @param pcb The TCP connection that willo enqueue the pbuf. - * @param apiflags API flags given to tcp_write. - * @param first_seg true when this pbuf will be used in the first enqueued segment. - * @param - */ -#if TCP_OVERSIZE -static struct pbuf *ICACHE_FLASH_ATTR -tcp_pbuf_prealloc(pbuf_layer layer, u16_t length, u16_t max_length, - u16_t *oversize, struct tcp_pcb *pcb, u8_t apiflags, - u8_t first_seg) -{ - struct pbuf *p; - u16_t alloc = length; - -#if LWIP_NETIF_TX_SINGLE_PBUF - LWIP_UNUSED_ARG(max_length); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(apiflags); - LWIP_UNUSED_ARG(first_seg); - /* always create MSS-sized pbufs */ - alloc = TCP_MSS; -#else /* LWIP_NETIF_TX_SINGLE_PBUF */ - if (length < max_length) { - /* Should we allocate an oversized pbuf, or just the minimum - * length required? If tcp_write is going to be called again - * before this segment is transmitted, we want the oversized - * buffer. If the segment will be transmitted immediately, we can - * save memory by allocating only length. We use a simple - * heuristic based on the following information: - * - * Did the user set TCP_WRITE_FLAG_MORE? - * - * Will the Nagle algorithm defer transmission of this segment? - */ - if ((apiflags & TCP_WRITE_FLAG_MORE) || - (!(pcb->flags & TF_NODELAY) && - (!first_seg || - pcb->unsent != NULL || - pcb->unacked != NULL))) { - alloc = LWIP_MIN(max_length, LWIP_MEM_ALIGN_SIZE(length + TCP_OVERSIZE)); - } - } -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - p = pbuf_alloc(layer, alloc, PBUF_RAM); - if (p == NULL) { - return NULL; - } - LWIP_ASSERT("need unchained pbuf", p->next == NULL); - *oversize = p->len - length; - /* trim p->len to the currently used size */ - p->len = p->tot_len = length; - return p; -} -#else /* TCP_OVERSIZE */ -#define tcp_pbuf_prealloc(layer, length, mx, os, pcb, api, fst) pbuf_alloc((layer), (length), PBUF_RAM) -#endif /* TCP_OVERSIZE */ - -#if TCP_CHECKSUM_ON_COPY -/** Add a checksum of newly added data to the segment */ -static void ICACHE_FLASH_ATTR -tcp_seg_add_chksum(u16_t chksum, u16_t len, u16_t *seg_chksum, - u8_t *seg_chksum_swapped) -{ - u32_t helper; - /* add chksum to old chksum and fold to u16_t */ - helper = chksum + *seg_chksum; - chksum = FOLD_U32T(helper); - if ((len & 1) != 0) { - *seg_chksum_swapped = 1 - *seg_chksum_swapped; - chksum = SWAP_BYTES_IN_WORD(chksum); - } - *seg_chksum = chksum; -} -#endif /* TCP_CHECKSUM_ON_COPY */ - -/** Checks if tcp_write is allowed or not (checks state, snd_buf and snd_queuelen). - * - * @param pcb the tcp pcb to check for - * @param len length of data to send (checked agains snd_buf) - * @return ERR_OK if tcp_write is allowed to proceed, another err_t otherwise - */ -static err_t ICACHE_FLASH_ATTR -tcp_write_checks(struct tcp_pcb *pcb, u16_t len) -{ - /* connection is in invalid state for data transmission? */ - if ((pcb->state != ESTABLISHED) && - (pcb->state != CLOSE_WAIT) && - (pcb->state != SYN_SENT) && - (pcb->state != SYN_RCVD)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_STATE | LWIP_DBG_LEVEL_SEVERE, ("tcp_write() called in invalid state\n")); - return ERR_CONN; - } else if (len == 0) { - return ERR_OK; - } - - /* fail on too much data */ - if (len > pcb->snd_buf) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_write: too much data (len=%"U16_F" > snd_buf=%"U16_F")\n", - len, pcb->snd_buf)); - pcb->flags |= TF_NAGLEMEMERR; - return ERR_MEM; - } - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_write: queuelen: %"U16_F"\n", (u16_t)pcb->snd_queuelen)); - - /* If total number of pbufs on the unsent/unacked queues exceeds the - * configured maximum, return an error */ - /* check for configured max queuelen and possible overflow */ - if ((pcb->snd_queuelen >= TCP_SND_QUEUELEN) || (pcb->snd_queuelen > TCP_SNDQUEUELEN_OVERFLOW)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_write: too long queue %"U16_F" (max %"U16_F")\n", - pcb->snd_queuelen, TCP_SND_QUEUELEN)); - TCP_STATS_INC(tcp.memerr); - pcb->flags |= TF_NAGLEMEMERR; - return ERR_MEM; - } - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_write: pbufs on queue => at least one queue non-empty", - pcb->unacked != NULL || pcb->unsent != NULL); - } else { - LWIP_ASSERT("tcp_write: no pbufs on queue => both queues empty", - pcb->unacked == NULL && pcb->unsent == NULL); - } - return ERR_OK; -} - -/** - * Write data for sending (but does not send it immediately). - *��������һ��������ݣ��ú�����һ�����Ķβ����ڿ��ƿ黺������� - * It waits in the expectation of more data being sent soon (as - * it can send them more efficiently by combining them together). - * To prompt the system to send data now, call tcp_output() after - * calling tcp_write(). - * - * @param pcb Protocol control block for the TCP connection to enqueue data for.��Ӧ���ӿ��ƿ� - * @param arg Pointer to the data to be enqueued for sending.���������ʼ��ַ - * @param len Data length in bytes������ݳ��� - * @param apiflags combination of following flags :����Ƿ���п������Լ����Ķ��ײ��Ƿ������PSH��־ - * - TCP_WRITE_FLAG_COPY (0x01) data will be copied into memory belonging to the stack - * - TCP_WRITE_FLAG_MORE (0x02) for TCP connection, PSH flag will be set on last segment sent, - * @return ERR_OK if enqueued, another err_t on error - */ -err_t -tcp_write(struct tcp_pcb *pcb, const void *arg, u16_t len, u8_t apiflags) -{ - struct pbuf *concat_p = NULL; - struct tcp_seg *last_unsent = NULL, *seg = NULL, *prev_seg = NULL, *queue = NULL; - u16_t pos = 0; /* position in 'arg' data */ - u16_t queuelen; - u8_t optlen = 0; - u8_t optflags = 0; -#if TCP_OVERSIZE - u16_t oversize = 0; - u16_t oversize_used = 0; -#endif /* TCP_OVERSIZE */ -#if TCP_CHECKSUM_ON_COPY - u16_t concat_chksum = 0; - u8_t concat_chksum_swapped = 0; - u16_t concat_chksummed = 0; -#endif /* TCP_CHECKSUM_ON_COPY */ - err_t err; - -#if LWIP_NETIF_TX_SINGLE_PBUF - /* Always copy to try to create single pbufs for TX */ - apiflags |= TCP_WRITE_FLAG_COPY; -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_write(pcb=%p, data=%p, len=%"U16_F", apiflags=%"U16_F")\n", - (void *)pcb, arg, len, (u16_t)apiflags)); - LWIP_ERROR("tcp_write: arg == NULL (programmer violates API)", - arg != NULL, return ERR_ARG;); - - err = tcp_write_checks(pcb, len); - if (err != ERR_OK) { - return err; - } - queuelen = pcb->snd_queuelen; - -#if LWIP_TCP_TIMESTAMPS - if ((pcb->flags & TF_TIMESTAMP)) { - optflags = TF_SEG_OPTS_TS; - optlen = LWIP_TCP_OPT_LENGTH(TF_SEG_OPTS_TS); - } -#endif /* LWIP_TCP_TIMESTAMPS */ - - - /* - * TCP segmentation is done in three phases with increasing complexity: - * - * 1. Copy data directly into an oversized pbuf. - * 2. Chain a new pbuf to the end of pcb->unsent. - * 3. Create new segments. - * - * We may run out of memory at any point. In that case we must - * return ERR_MEM and not change anything in pcb. Therefore, all - * changes are recorded in local variables and committed at the end - * of the function. Some pcb fields are maintained in local copies: - * - * queuelen = pcb->snd_queuelen - * oversize = pcb->unsent_oversize - * - * These variables are set consistently by the phases: - * - * seg points to the last segment tampered with. - * - * pos records progress as data is segmented. - */ - - /* Find the tail of the unsent queue. */ - if (pcb->unsent != NULL) { - u16_t space; - u16_t unsent_optlen; - - /* @todo: this could be sped up by keeping last_unsent in the pcb */ - for (last_unsent = pcb->unsent; last_unsent->next != NULL; - last_unsent = last_unsent->next); - - /* Usable space at the end of the last unsent segment */ - unsent_optlen = LWIP_TCP_OPT_LENGTH(last_unsent->flags); - space = pcb->mss - (last_unsent->len + unsent_optlen); - - /* - * Phase 1: Copy data directly into an oversized pbuf. - * - * The number of bytes copied is recorded in the oversize_used - * variable. The actual copying is done at the bottom of the - * function. - */ -#if TCP_OVERSIZE -#if TCP_OVERSIZE_DBGCHECK - /* check that pcb->unsent_oversize matches last_unsent->unsent_oversize */ - LWIP_ASSERT("unsent_oversize mismatch (pcb vs. last_unsent)", - pcb->unsent_oversize == last_unsent->oversize_left); -#endif /* TCP_OVERSIZE_DBGCHECK */ - oversize = pcb->unsent_oversize; - if (oversize > 0) { - LWIP_ASSERT("inconsistent oversize vs. space", oversize_used <= space); - seg = last_unsent; - oversize_used = oversize < len ? oversize : len; - pos += oversize_used; - oversize -= oversize_used; - space -= oversize_used; - } - /* now we are either finished or oversize is zero */ - LWIP_ASSERT("inconsistend oversize vs. len", (oversize == 0) || (pos == len)); -#endif /* TCP_OVERSIZE */ - - /* - * Phase 2: Chain a new pbuf to the end of pcb->unsent. - * - * We don't extend segments containing SYN/FIN flags or options - * (len==0). The new pbuf is kept in concat_p and pbuf_cat'ed at - * the end. - */ - if ((pos < len) && (space > 0) && (last_unsent->len > 0)) { - u16_t seglen = space < len - pos ? space : len - pos; - seg = last_unsent; - - /* Create a pbuf with a copy or reference to seglen bytes. We - * can use PBUF_RAW here since the data appears in the middle of - * a segment. A header will never be prepended. */ - if (apiflags & TCP_WRITE_FLAG_COPY) { - /* Data is copied */ - if ((concat_p = tcp_pbuf_prealloc(PBUF_RAW, seglen, space, &oversize, pcb, apiflags, 1)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, - ("tcp_write : could not allocate memory for pbuf copy size %"U16_F"\n", - seglen)); - goto memerr; - } -#if TCP_OVERSIZE_DBGCHECK - last_unsent->oversize_left = oversize; -#endif /* TCP_OVERSIZE_DBGCHECK */ - TCP_DATA_COPY2(concat_p->payload, (u8_t*)arg + pos, seglen, &concat_chksum, &concat_chksum_swapped); -#if TCP_CHECKSUM_ON_COPY - concat_chksummed += seglen; -#endif /* TCP_CHECKSUM_ON_COPY */ - } else { - /* Data is not copied */ - if ((concat_p = pbuf_alloc(PBUF_RAW, seglen, PBUF_ROM)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, - ("tcp_write: could not allocate memory for zero-copy pbuf\n")); - goto memerr; - } -#if TCP_CHECKSUM_ON_COPY - /* calculate the checksum of nocopy-data */ - tcp_seg_add_chksum(~inet_chksum((u8_t*)arg + pos, seglen), seglen, - &concat_chksum, &concat_chksum_swapped); - concat_chksummed += seglen; -#endif /* TCP_CHECKSUM_ON_COPY */ - /* reference the non-volatile payload data */ - concat_p->payload = (u8_t*)arg + pos; - } - - pos += seglen; - queuelen += pbuf_clen(concat_p); - } - } else { -#if TCP_OVERSIZE - LWIP_ASSERT("unsent_oversize mismatch (pcb->unsent is NULL)", - pcb->unsent_oversize == 0); -#endif /* TCP_OVERSIZE */ - } - - /* - * Phase 3: Create new segments. - * - * The new segments are chained together in the local 'queue' - * variable, ready to be appended to pcb->unsent. - */ - while (pos < len) { - struct pbuf *p; - u16_t left = len - pos; - u16_t max_len = pcb->mss - optlen; - u16_t seglen = left > max_len ? max_len : left; -#if TCP_CHECKSUM_ON_COPY - u16_t chksum = 0; - u8_t chksum_swapped = 0; -#endif /* TCP_CHECKSUM_ON_COPY */ - - if (apiflags & TCP_WRITE_FLAG_COPY) { - /* If copy is set, memory should be allocated and data copied - * into pbuf */ - if ((p = tcp_pbuf_prealloc(PBUF_TRANSPORT, seglen + optlen, pcb->mss, &oversize, pcb, apiflags, queue == NULL)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write : could not allocate memory for pbuf copy size %"U16_F"\n", seglen)); - goto memerr; - } - LWIP_ASSERT("tcp_write: check that first pbuf can hold the complete seglen", - (p->len >= seglen)); - TCP_DATA_COPY2((char *)p->payload + optlen, (u8_t*)arg + pos, seglen, &chksum, &chksum_swapped); - } else { - /* Copy is not set: First allocate a pbuf for holding the data. - * Since the referenced data is available at least until it is - * sent out on the link (as it has to be ACKed by the remote - * party) we can safely use PBUF_ROM instead of PBUF_REF here. - */ - struct pbuf *p2; -#if TCP_OVERSIZE - LWIP_ASSERT("oversize == 0", oversize == 0); -#endif /* TCP_OVERSIZE */ - if ((p2 = pbuf_alloc(PBUF_TRANSPORT, seglen, PBUF_ROM)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: could not allocate memory for zero-copy pbuf\n")); - goto memerr; - } -#if TCP_CHECKSUM_ON_COPY - /* calculate the checksum of nocopy-data */ - chksum = ~inet_chksum((u8_t*)arg + pos, seglen); -#endif /* TCP_CHECKSUM_ON_COPY */ - /* reference the non-volatile payload data */ - p2->payload = (u8_t*)arg + pos; - - /* Second, allocate a pbuf for the headers. */ - if ((p = pbuf_alloc(PBUF_TRANSPORT, optlen, PBUF_RAM)) == NULL) { - /* If allocation fails, we have to deallocate the data pbuf as - * well. */ - pbuf_free(p2); - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: could not allocate memory for header pbuf\n")); - goto memerr; - } - /* Concatenate the headers and data pbufs together. */ - pbuf_cat(p/*header*/, p2/*data*/); - } - - queuelen += pbuf_clen(p); - - /* Now that there are more segments queued, we check again if the - * length of the queue exceeds the configured maximum or - * overflows. */ - if ((queuelen > TCP_SND_QUEUELEN) || (queuelen > TCP_SNDQUEUELEN_OVERFLOW)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: queue too long %"U16_F" (%"U16_F")\n", queuelen, TCP_SND_QUEUELEN)); - pbuf_free(p); - goto memerr; - } - - if ((seg = tcp_create_segment(pcb, p, 0, pcb->snd_lbb + pos, optflags)) == NULL) { - goto memerr; - } -#if TCP_OVERSIZE_DBGCHECK - seg->oversize_left = oversize; -#endif /* TCP_OVERSIZE_DBGCHECK */ -#if TCP_CHECKSUM_ON_COPY - seg->chksum = chksum; - seg->chksum_swapped = chksum_swapped; - seg->flags |= TF_SEG_DATA_CHECKSUMMED; -#endif /* TCP_CHECKSUM_ON_COPY */ - - /* first segment of to-be-queued data? */ - if (queue == NULL) { - queue = seg; - } else { - /* Attach the segment to the end of the queued segments */ - LWIP_ASSERT("prev_seg != NULL", prev_seg != NULL); - prev_seg->next = seg; - } - /* remember last segment of to-be-queued data for next iteration */ - prev_seg = seg; - - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE, ("tcp_write: queueing %"U32_F":%"U32_F"\n", - ntohl(seg->tcphdr->seqno), - ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg))); - - pos += seglen; - } - - /* - * All three segmentation phases were successful. We can commit the - * transaction. - */ - - /* - * Phase 1: If data has been added to the preallocated tail of - * last_unsent, we update the length fields of the pbuf chain. - */ -#if TCP_OVERSIZE - if (oversize_used > 0) { - struct pbuf *p; - /* Bump tot_len of whole chain, len of tail */ - for (p = last_unsent->p; p; p = p->next) { - p->tot_len += oversize_used; - if (p->next == NULL) { - TCP_DATA_COPY((char *)p->payload + p->len, arg, oversize_used, last_unsent); - p->len += oversize_used; - } - } - last_unsent->len += oversize_used; -#if TCP_OVERSIZE_DBGCHECK - last_unsent->oversize_left -= oversize_used; -#endif /* TCP_OVERSIZE_DBGCHECK */ - } - pcb->unsent_oversize = oversize; -#endif /* TCP_OVERSIZE */ - - /* - * Phase 2: concat_p can be concatenated onto last_unsent->p - */ - if (concat_p != NULL) { - LWIP_ASSERT("tcp_write: cannot concatenate when pcb->unsent is empty", - (last_unsent != NULL)); - pbuf_cat(last_unsent->p, concat_p); - last_unsent->len += concat_p->tot_len; -#if TCP_CHECKSUM_ON_COPY - if (concat_chksummed) { - tcp_seg_add_chksum(concat_chksum, concat_chksummed, &last_unsent->chksum, - &last_unsent->chksum_swapped); - last_unsent->flags |= TF_SEG_DATA_CHECKSUMMED; - } -#endif /* TCP_CHECKSUM_ON_COPY */ - } - - /* - * Phase 3: Append queue to pcb->unsent. Queue may be NULL, but that - * is harmless - */ - if (last_unsent == NULL) { - pcb->unsent = queue; - } else { - last_unsent->next = queue; - } - - /* - * Finally update the pcb state. - */ - pcb->snd_lbb += len; - pcb->snd_buf -= len; - pcb->snd_queuelen = queuelen; - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_write: %"S16_F" (after enqueued)\n", - pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_write: valid queue length", - pcb->unacked != NULL || pcb->unsent != NULL); - } - - /* Set the PSH flag in the last segment that we enqueued. */ - if (seg != NULL && seg->tcphdr != NULL && ((apiflags & TCP_WRITE_FLAG_MORE)==0)) { - TCPH_SET_FLAG(seg->tcphdr, TCP_PSH); - } - - return ERR_OK; -memerr: - pcb->flags |= TF_NAGLEMEMERR; - TCP_STATS_INC(tcp.memerr); - - if (concat_p != NULL) { - pbuf_free(concat_p); - } - if (queue != NULL) { - tcp_segs_free(queue); - } - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_write: valid queue length", pcb->unacked != NULL || - pcb->unsent != NULL); - } - LWIP_DEBUGF(TCP_QLEN_DEBUG | LWIP_DBG_STATE, ("tcp_write: %"S16_F" (with mem err)\n", pcb->snd_queuelen)); - return ERR_MEM; -} - -/** - * Enqueue TCP options for transmission. - * - * Called by tcp_connect(), tcp_listen_input(), and tcp_send_ctrl(). - * - * @param pcb Protocol control block for the TCP connection. - * @param flags TCP header flags to set in the outgoing segment. - * @param optdata pointer to TCP options, or NULL. - * @param optlen length of TCP options in bytes. - */ -err_t -tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags) -{ - struct pbuf *p; - struct tcp_seg *seg; - u8_t optflags = 0; - u8_t optlen = 0; - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue_flags: queuelen: %"U16_F"\n", (u16_t)pcb->snd_queuelen)); - - LWIP_ASSERT("tcp_enqueue_flags: need either TCP_SYN or TCP_FIN in flags (programmer violates API)", - (flags & (TCP_SYN | TCP_FIN)) != 0); - - /* check for configured max queuelen and possible overflow */ - if ((pcb->snd_queuelen >= TCP_SND_QUEUELEN) || (pcb->snd_queuelen > TCP_SNDQUEUELEN_OVERFLOW)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_enqueue_flags: too long queue %"U16_F" (max %"U16_F")\n", - pcb->snd_queuelen, TCP_SND_QUEUELEN)); - TCP_STATS_INC(tcp.memerr); - pcb->flags |= TF_NAGLEMEMERR; - return ERR_MEM; - } - - if (flags & TCP_SYN) { - optflags = TF_SEG_OPTS_MSS; - } -#if LWIP_TCP_TIMESTAMPS - if ((pcb->flags & TF_TIMESTAMP)) { - optflags |= TF_SEG_OPTS_TS; - } -#endif /* LWIP_TCP_TIMESTAMPS */ - optlen = LWIP_TCP_OPT_LENGTH(optflags); - - /* tcp_enqueue_flags is always called with either SYN or FIN in flags. - * We need one available snd_buf byte to do that. - * This means we can't send FIN while snd_buf==0. A better fix would be to - * not include SYN and FIN sequence numbers in the snd_buf count. */ - if (pcb->snd_buf == 0) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_enqueue_flags: no send buffer available\n")); - TCP_STATS_INC(tcp.memerr); - return ERR_MEM; - } - - /* Allocate pbuf with room for TCP header + options */ - if ((p = pbuf_alloc(PBUF_TRANSPORT, optlen, PBUF_RAM)) == NULL) { - pcb->flags |= TF_NAGLEMEMERR; - TCP_STATS_INC(tcp.memerr); - return ERR_MEM; - } - LWIP_ASSERT("tcp_enqueue_flags: check that first pbuf can hold optlen", - (p->len >= optlen)); - - /* Allocate memory for tcp_seg, and fill in fields. */ - if ((seg = tcp_create_segment(pcb, p, flags, pcb->snd_lbb, optflags)) == NULL) { - pcb->flags |= TF_NAGLEMEMERR; - TCP_STATS_INC(tcp.memerr); - return ERR_MEM; - } - LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % MEM_ALIGNMENT) == 0); - LWIP_ASSERT("tcp_enqueue_flags: invalid segment length", seg->len == 0); - - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE, - ("tcp_enqueue_flags: queueing %"U32_F":%"U32_F" (0x%"X16_F")\n", - ntohl(seg->tcphdr->seqno), - ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg), - (u16_t)flags)); - - /* Now append seg to pcb->unsent queue */ - if (pcb->unsent == NULL) { - pcb->unsent = seg; - } else { - struct tcp_seg *useg; - for (useg = pcb->unsent; useg->next != NULL; useg = useg->next); - useg->next = seg; - } -#if TCP_OVERSIZE - /* The new unsent tail has no space */ - pcb->unsent_oversize = 0; -#endif /* TCP_OVERSIZE */ - - /* SYN and FIN bump the sequence number */ - if ((flags & TCP_SYN) || (flags & TCP_FIN)) { - pcb->snd_lbb++; - /* optlen does not influence snd_buf */ - pcb->snd_buf--; - } - if (flags & TCP_FIN) { - pcb->flags |= TF_FIN; - } - - /* update number of segments on the queues */ - pcb->snd_queuelen += pbuf_clen(seg->p); - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue_flags: %"S16_F" (after enqueued)\n", pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_enqueue_flags: invalid queue length", - pcb->unacked != NULL || pcb->unsent != NULL); - } - - return ERR_OK; -} - - -#if LWIP_TCP_TIMESTAMPS -/* Build a timestamp option (12 bytes long) at the specified options pointer) - * - * @param pcb tcp_pcb - * @param opts option pointer where to store the timestamp option - */ -static void ICACHE_FLASH_ATTR -tcp_build_timestamp_option(struct tcp_pcb *pcb, u32_t *opts) -{ - /* Pad with two NOP options to make everything nicely aligned */ - opts[0] = PP_HTONL(0x0101080A); - opts[1] = htonl(sys_now()); - opts[2] = htonl(pcb->ts_recent); -} -#endif - -/** Send an ACK without data. - * - * @param pcb Protocol control block for the TCP connection to send the ACK - */ -err_t -tcp_send_empty_ack(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - u8_t optlen = 0; - -#if LWIP_TCP_TIMESTAMPS - if (pcb->flags & TF_TIMESTAMP) { - optlen = LWIP_TCP_OPT_LENGTH(TF_SEG_OPTS_TS); - } -#endif - - p = tcp_output_alloc_header(pcb, optlen, 0, htonl(pcb->snd_nxt)); - if (p == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: (ACK) could not allocate pbuf\n")); - return ERR_BUF; - } - tcphdr = (struct tcp_hdr *)p->payload; - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, - ("tcp_output: sending ACK for %"U32_F"\n", pcb->rcv_nxt)); - /* remove ACK flags from the PCB, as we send an empty ACK now */ - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW); - - /* NB. MSS option is only sent on SYNs, so ignore it here */ -#if LWIP_TCP_TIMESTAMPS - pcb->ts_lastacksent = pcb->rcv_nxt; - - if (pcb->flags & TF_TIMESTAMP) { - tcp_build_timestamp_option(pcb, (u32_t *)(tcphdr + 1)); - } -#endif - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &(pcb->local_ip), &(pcb->remote_ip), - IP_PROTO_TCP, p->tot_len); -#endif -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP, &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - pbuf_free(p); - - return ERR_OK; -} - -/** - * Find out what we can send and send it - *���Ϳ��ƿ黺����еı��Ķ� - * @param pcb Protocol control block for the TCP connection to send data - * @return ERR_OK if data has been sent or nothing to send - * another err_t on error - */ -err_t ICACHE_FLASH_ATTR -tcp_output(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg, *useg; - u32_t wnd, snd_nxt; -#if TCP_CWND_DEBUG - s16_t i = 0; -#endif /* TCP_CWND_DEBUG */ - /* First, check if we are invoked by the TCP input processing - code. If so, we do not output anything. Instead, we rely on the - input processing code to call us when input processing is done - with. �����ƿ鵱ǰ������ݱ����?ֱ�ӷ���*/ - if (tcp_input_pcb == pcb) { - return ERR_OK; - } - - wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd);//�ӷ��ʹ��ں������ȡС�ߵõ���Ч���ʹ��� - - seg = pcb->unsent; - - /* If the TF_ACK_NOW flag is set and no data will be sent (either - * because the ->unsent queue is empty or because the window does - * not allow it), construct an empty ACK segment and send it. - * - * If data is to be sent, we will just piggyback the ACK (see below). - */ - if (pcb->flags & TF_ACK_NOW && - (seg == NULL || - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > wnd)) { - return tcp_send_empty_ack(pcb);//����ֻ��ACK�ı��Ķ� - } - - /* useg should point to last segment on unacked queue */ - useg = pcb->unacked; - if (useg != NULL) { - for (; useg->next != NULL; useg = useg->next);//�õ�β�� - } - -#if TCP_OUTPUT_DEBUG - if (seg == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: nothing to send (%p)\n", - (void*)pcb->unsent)); - } -#endif /* TCP_OUTPUT_DEBUG */ -#if TCP_CWND_DEBUG - if (seg == NULL) { - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F - ", cwnd %"U16_F", wnd %"U32_F - ", seg == NULL, ack %"U32_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, pcb->lastack)); - } else { - LWIP_DEBUGF(TCP_CWND_DEBUG, - ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F - ", effwnd %"U32_F", seq %"U32_F", ack %"U32_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len, - ntohl(seg->tcphdr->seqno), pcb->lastack)); - } -#endif /* TCP_CWND_DEBUG */ - /* data available and window allows it to be sent? - *��ǰ��Ч�������?�ķ��ͣ�ѭ�����ͱ��ģ�ֱ�������*/ - while (seg != NULL && - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len <= wnd) { - LWIP_ASSERT("RST not expected here!", - (TCPH_FLAGS(seg->tcphdr) & TCP_RST) == 0); - /* Stop sending if the nagle algorithm would prevent it - * Don't stop: - * - if tcp_write had a memory error before (prevent delayed ACK timeout) or - * - if FIN was already enqueued for this PCB (SYN is always alone in a segment - - * either seg->next != NULL or pcb->unacked == NULL; - * RST is no sent using tcp_write/tcp_output. - */ - if((tcp_do_output_nagle(pcb) == 0) && - ((pcb->flags & (TF_NAGLEMEMERR | TF_FIN)) == 0)){ - break; - } -#if TCP_CWND_DEBUG - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F", effwnd %"U32_F", seq %"U32_F", ack %"U32_F", i %"S16_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, - ntohl(seg->tcphdr->seqno) + seg->len - - pcb->lastack, - ntohl(seg->tcphdr->seqno), pcb->lastack, i)); - ++i; -#endif /* TCP_CWND_DEBUG */ - - pcb->unsent = seg->next; - - if (pcb->state != SYN_SENT) { - TCPH_SET_FLAG(seg->tcphdr, TCP_ACK);//��д�ײ�ACK��־ - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW);//����־λ - } - - tcp_output_segment(seg, pcb);//���ú����ͱ��Ķ� - - snd_nxt = ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg);//����snd_nxt - if (TCP_SEQ_LT(pcb->snd_nxt, snd_nxt)) { - pcb->snd_nxt = snd_nxt;//����Ҫ���͵���ݱ�� - } - /* put segment on unacknowledged list if length > 0 - */ - if (TCP_TCPLEN(seg) > 0) { - seg->next = NULL; - /* unacked list is empty? ֱ�ӹҽ�*/ - if (pcb->unacked == NULL) { - pcb->unacked = seg; - useg = seg; - /* unacked list is not empty?����ǰ���İ�˳����֯�ڶ����� */ - } else { - /* In the case of fast retransmit, the packet should not go to the tail - * of the unacked queue, but rather somewhere before it. We need to check for - * this case. -STJ Jul 27, 2004 */ //���ǰ���ĵ����кŵ��ڶ���β���������кţ� - //�Ӷ����ײ���ʼ - if (TCP_SEQ_LT(ntohl(seg->tcphdr->seqno), ntohl(useg->tcphdr->seqno))) { - /* add segment to before tail of unacked list, keeping the list sorted */ - struct tcp_seg **cur_seg = &(pcb->unacked); - while (*cur_seg && - TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) { - cur_seg = &((*cur_seg)->next ); - } - seg->next = (*cur_seg); - (*cur_seg) = seg; - } else {//���������ߣ������δȷ�϶���ĩβ - /* add segment to tail of unacked list */ - useg->next = seg; - useg = useg->next; - } - } - /* do not queue empty segments on the unacked list */ - } else {//���Ķγ���Ϊ0��ֱ��ɾ�������ش� - tcp_seg_free(seg); - } - seg = pcb->unsent;//������һ�����Ķ� - } -#if TCP_OVERSIZE - if (pcb->unsent == NULL) { - /* last unsent has been removed, reset unsent_oversize */ - pcb->unsent_oversize = 0; - } -#endif /* TCP_OVERSIZE */ - -//���ʹ��������±��IJ��ܷ��ͣ��������㴰��̽�⡣ - if (seg != NULL && pcb->persist_backoff == 0 && - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > pcb->snd_wnd) { - /* prepare for persist timer */ - pcb->persist_cnt = 0; - pcb->persist_backoff = 1; - } - - pcb->flags &= ~TF_NAGLEMEMERR;//���ڴ�����־ - return ERR_OK; -} - -/** - * Called by tcp_output() to actually send a TCP segment over IP. - * - * @param seg the tcp_seg to send - * @param pcb the tcp_pcb for the TCP connection used to send the segment - */ - -static void -tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb) -{ - u16_t len; - struct netif *netif; - u32_t *opts; - /** @bug Exclude retransmitted segments from this count. */ - snmp_inc_tcpoutsegs(); - - /* The TCP header has already been constructed, but the ackno and - wnd fields remain. */ - seg->tcphdr->ackno = htonl(pcb->rcv_nxt); - - /* advertise our receive window size in this TCP segment */ - seg->tcphdr->wnd = htons(pcb->rcv_ann_wnd); - - pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd; - - /* Add any requested options. NB MSS option is only set on SYN - packets, so ignore it here */ - LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % MEM_ALIGNMENT) == 0); - opts = (u32_t *)(void *)(seg->tcphdr + 1); - if (seg->flags & TF_SEG_OPTS_MSS) { - TCP_BUILD_MSS_OPTION(*opts); - opts += 1; - } -#if LWIP_TCP_TIMESTAMPS - pcb->ts_lastacksent = pcb->rcv_nxt; - - if (seg->flags & TF_SEG_OPTS_TS) { - tcp_build_timestamp_option(pcb, opts); - opts += 3; - } -#endif - - /* Set retransmission timer running if it is not currently enabled - This must be set before checking the route. modify by ives at 2014.4.24*/ - if (pcb->rtime == -1) { - pcb->rtime = 0; - } - - /* If we don't have a local IP address, we get one by - calling ip_route(). */ - if (ip_addr_isany(&(pcb->local_ip))) { - netif = ip_route(&(pcb->remote_ip)); - if (netif == NULL) { - return; - } - ip_addr_copy(pcb->local_ip, netif->ip_addr); - } - - if (pcb->rttest == 0) { - pcb->rttest = tcp_ticks; - pcb->rtseq = ntohl(seg->tcphdr->seqno); - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_output_segment: rtseq %"U32_F"\n", pcb->rtseq)); - } - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output_segment: %"U32_F":%"U32_F"\n", - htonl(seg->tcphdr->seqno), htonl(seg->tcphdr->seqno) + - seg->len)); - - len = (u16_t)((u8_t *)seg->tcphdr - (u8_t *)seg->p->payload); - - seg->p->len -= len; - seg->p->tot_len -= len; - - seg->p->payload = seg->tcphdr; - - seg->tcphdr->chksum = 0; -#if CHECKSUM_GEN_TCP -#if TCP_CHECKSUM_ON_COPY - { - u32_t acc; -#if TCP_CHECKSUM_ON_COPY_SANITY_CHECK - u16_t chksum_slow = inet_chksum_pseudo(seg->p, &(pcb->local_ip), - &(pcb->remote_ip), - IP_PROTO_TCP, seg->p->tot_len); -#endif /* TCP_CHECKSUM_ON_COPY_SANITY_CHECK */ - if ((seg->flags & TF_SEG_DATA_CHECKSUMMED) == 0) { - LWIP_ASSERT("data included but not checksummed", - seg->p->tot_len == (TCPH_HDRLEN(seg->tcphdr) * 4)); - } - - /* rebuild TCP header checksum (TCP header changes for retransmissions!) */ - acc = inet_chksum_pseudo_partial(seg->p, &(pcb->local_ip), - &(pcb->remote_ip), - IP_PROTO_TCP, seg->p->tot_len, TCPH_HDRLEN(seg->tcphdr) * 4); - /* add payload checksum */ - if (seg->chksum_swapped) { - seg->chksum = SWAP_BYTES_IN_WORD(seg->chksum); - seg->chksum_swapped = 0; - } - acc += (u16_t)~(seg->chksum); - seg->tcphdr->chksum = FOLD_U32T(acc); -#if TCP_CHECKSUM_ON_COPY_SANITY_CHECK - if (chksum_slow != seg->tcphdr->chksum) { - LWIP_DEBUGF(TCP_DEBUG | LWIP_DBG_LEVEL_WARNING, - ("tcp_output_segment: calculated checksum is %"X16_F" instead of %"X16_F"\n", - seg->tcphdr->chksum, chksum_slow)); - seg->tcphdr->chksum = chksum_slow; - } -#endif /* TCP_CHECKSUM_ON_COPY_SANITY_CHECK */ - } -#else /* TCP_CHECKSUM_ON_COPY */ - seg->tcphdr->chksum = inet_chksum_pseudo(seg->p, &(pcb->local_ip), - &(pcb->remote_ip), - IP_PROTO_TCP, seg->p->tot_len); -#endif /* TCP_CHECKSUM_ON_COPY */ -#endif /* CHECKSUM_GEN_TCP */ - TCP_STATS_INC(tcp.xmit); - -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP, &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ -} - -/** - * Send a TCP RESET packet (empty segment with RST flag set) either to - * abort a connection or to show that there is no matching local connection - * for a received segment. - * - * Called by tcp_abort() (to abort a local connection), tcp_input() (if no - * matching local pcb was found), tcp_listen_input() (if incoming segment - * has ACK flag set) and tcp_process() (received segment in the wrong state) - * - * Since a RST segment is in most cases not sent for an active connection, - * tcp_rst() has a number of arguments that are taken from a tcp_pcb for - * most other segment output functions. - * - * @param seqno the sequence number to use for the outgoing segment - * @param ackno the acknowledge number to use for the outgoing segment - * @param local_ip the local IP address to send the segment from - * @param remote_ip the remote IP address to send the segment to - * @param local_port the local TCP port to send the segment from - * @param remote_port the remote TCP port to send the segment to - */ -void -tcp_rst(u32_t seqno, u32_t ackno, - ip_addr_t *local_ip, ip_addr_t *remote_ip, - u16_t local_port, u16_t remote_port) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - p = pbuf_alloc(PBUF_IP, TCP_HLEN, PBUF_RAM); - if (p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_rst: could not allocate memory for pbuf\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr", - (p->len >= sizeof(struct tcp_hdr))); - - tcphdr = (struct tcp_hdr *)p->payload; - tcphdr->src = htons(local_port); - tcphdr->dest = htons(remote_port); - tcphdr->seqno = htonl(seqno); - tcphdr->ackno = htonl(ackno); - TCPH_HDRLEN_FLAGS_SET(tcphdr, TCP_HLEN/4, TCP_RST | TCP_ACK); - tcphdr->wnd = PP_HTONS(TCP_WND); - tcphdr->chksum = 0; - tcphdr->urgp = 0; - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, local_ip, remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - snmp_inc_tcpoutrsts(); - /* Send output with hardcoded TTL since we have no access to the pcb */ - ip_output(p, local_ip, remote_ip, TCP_TTL, 0, IP_PROTO_TCP); - pbuf_free(p); - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_rst: seqno %"U32_F" ackno %"U32_F".\n", seqno, ackno)); -} - -/** - * Requeue all unacked segments for retransmission - * - * Called by tcp_slowtmr() for slow retransmission. - * - * @param pcb the tcp_pcb for which to re-enqueue all unacked segments - */ -void -tcp_rexmit_rto(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg; - struct tcp_seg *t0_head = NULL, *t0_tail = NULL; /* keep in unacked */ - struct tcp_seg *t1_head = NULL, *t1_tail = NULL; /* link to unsent */ - bool t0_1st = true, t1_1st = true; - - if (pcb->unacked == NULL) { - return; - } - -#if 1 /* by Snake: resolve the bug of pbuf reuse */ - seg = pcb->unacked; - while (seg != NULL) { - if (seg->p->eb) { - if (t0_1st) { - t0_head = t0_tail = seg; - t0_1st = false; - } else { - t0_tail->next = seg; - t0_tail = seg; - } - seg = seg->next; - t0_tail->next = NULL; - } else { - if (t1_1st) { - t1_head = t1_tail = seg; - t1_1st = false; - } else { - t1_tail->next = seg; - t1_tail = seg; - } - seg = seg->next; - t1_tail->next = NULL; - } - } - if (t1_head && t1_tail) { - t1_tail->next = pcb->unsent; - pcb->unsent = t1_head; - } - pcb->unacked = t0_head; - -#else - - /* Move all unacked segments to the head of the unsent queue */ - for (seg = pcb->unacked; seg->next != NULL; seg = seg->next); - /* concatenate unsent queue after unacked queue */ - seg->next = pcb->unsent; - /* unsent queue is the concatenated queue (of unacked, unsent) */ - pcb->unsent = pcb->unacked; - /* unacked queue is now empty */ - pcb->unacked = NULL; -#endif - - /* increment number of retransmissions */ - ++pcb->nrtx; - - /* Don't take any RTT measurements after retransmitting. */ - pcb->rttest = 0; - - /* Do the actual retransmission */ - tcp_output(pcb); -} - -/** - * Requeue the first unacked segment for retransmission - * - * Called by tcp_receive() for fast retramsmit. - * - * @param pcb the tcp_pcb for which to retransmit the first unacked segment - */ -void -tcp_rexmit(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg; - struct tcp_seg **cur_seg; - - if (pcb->unacked == NULL) { - return; - } - - /* Move the first unacked segment to the unsent queue */ - /* Keep the unsent queue sorted. */ - seg = pcb->unacked; - pcb->unacked = seg->next; - - cur_seg = &(pcb->unsent); - while (*cur_seg && - TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) { - cur_seg = &((*cur_seg)->next ); - } - seg->next = *cur_seg; - *cur_seg = seg; - - ++pcb->nrtx; - - /* Don't take any rtt measurements after retransmitting. */ - pcb->rttest = 0; - - /* Do the actual retransmission. */ - snmp_inc_tcpretranssegs(); - /* No need to call tcp_output: we are always called from tcp_input() - and thus tcp_output directly returns. */ -} - - -/** - * Handle retransmission after three dupacks received - * - * @param pcb the tcp_pcb for which to retransmit the first unacked segment - */ -void -tcp_rexmit_fast(struct tcp_pcb *pcb) -{ - if (pcb->unacked != NULL && !(pcb->flags & TF_INFR)) { - /* This is fast retransmit. Retransmit the first unacked segment. */ - LWIP_DEBUGF(TCP_FR_DEBUG, - ("tcp_receive: dupacks %"U16_F" (%"U32_F - "), fast retransmit %"U32_F"\n", - (u16_t)pcb->dupacks, pcb->lastack, - ntohl(pcb->unacked->tcphdr->seqno))); - tcp_rexmit(pcb); - - /* Set ssthresh to half of the minimum of the current - * cwnd and the advertised window */ - if (pcb->cwnd > pcb->snd_wnd) { - pcb->ssthresh = pcb->snd_wnd / 2; - } else { - pcb->ssthresh = pcb->cwnd / 2; - } - - /* The minimum value for ssthresh should be 2 MSS */ - if (pcb->ssthresh < 2*pcb->mss) { - LWIP_DEBUGF(TCP_FR_DEBUG, - ("tcp_receive: The minimum value for ssthresh %"U16_F - " should be min 2 mss %"U16_F"...\n", - pcb->ssthresh, 2*pcb->mss)); - pcb->ssthresh = 2*pcb->mss; - } - - pcb->cwnd = pcb->ssthresh + 3 * pcb->mss; - pcb->flags |= TF_INFR; - } -} - - -/** - * Send keepalive packets to keep a connection active although - * no data is sent over it. - * - * Called by tcp_slowtmr() - * - * @param pcb the tcp_pcb for which to send a keepalive packet - */ -void -tcp_keepalive(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: sending KEEPALIVE probe to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip), - ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip))); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: tcp_ticks %"U32_F" pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", - tcp_ticks, pcb->tmr, pcb->keep_cnt_sent)); - - p = tcp_output_alloc_header(pcb, 0, 0, htonl(pcb->snd_nxt - 1)); - if(p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_keepalive: could not allocate memory for pbuf\n")); - return; - } - tcphdr = (struct tcp_hdr *)p->payload; - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - - /* Send output to IP */ -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP, - &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - - pbuf_free(p); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: seqno %"U32_F" ackno %"U32_F".\n", - pcb->snd_nxt - 1, pcb->rcv_nxt)); -} - - -/** - * Send persist timer zero-window probes to keep a connection active - * when a window update is lost. - * - * Called by tcp_slowtmr() - * - * @param pcb the tcp_pcb for which to send a zero-window probe packet - */ -void -tcp_zero_window_probe(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - struct tcp_seg *seg; - u16_t offset = 0; - u16_t len; - u8_t is_fin; - - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_zero_window_probe: sending ZERO WINDOW probe to %" - U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip), - ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip))); - - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_zero_window_probe: tcp_ticks %"U32_F - " pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", - tcp_ticks, pcb->tmr, pcb->keep_cnt_sent)); - - seg = pcb->unacked; - - if(seg == NULL) { - seg = pcb->unsent; - } else { - struct ip_hdr *iphdr = NULL; - iphdr = (struct ip_hdr *)((char*)seg->p->payload + SIZEOF_ETH_HDR); - offset = IPH_HL(iphdr)*4; - offset += SIZEOF_ETH_HDR; - } - if(seg == NULL) { - return; - } - - is_fin = ((TCPH_FLAGS(seg->tcphdr) & TCP_FIN) != 0) && (seg->len == 0); - /* we want to send one seqno: either FIN or data (no options) */ - len = is_fin ? 0 : 1; - - p = tcp_output_alloc_header(pcb, 0, len, seg->tcphdr->seqno); - if(p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: no memory for pbuf\n")); - return; - } - tcphdr = (struct tcp_hdr *)p->payload; - - if (is_fin) { - /* FIN segment, no data */ - TCPH_FLAGS_SET(tcphdr, TCP_ACK | TCP_FIN); - } else { - /* Data segment, copy in one byte from the head of the unacked queue */ - struct tcp_hdr *thdr = (struct tcp_hdr *)seg->p->payload; - char *d = ((char *)p->payload + TCP_HLEN); - if (pcb->unacked == NULL) - pbuf_copy_partial(seg->p, d, 1, TCPH_HDRLEN(thdr) * 4); - else { - thdr = (struct tcp_hdr *)((char*)seg->p->payload + offset); - pbuf_copy_partial(seg->p, d, 1, TCPH_HDRLEN(thdr) * 4 + offset); - } - } - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - - /* Send output to IP */ -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP, - &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - - pbuf_free(p); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: seqno %"U32_F - " ackno %"U32_F".\n", - pcb->snd_nxt - 1, pcb->rcv_nxt)); -} -#endif /* LWIP_TCP */ diff --git a/tools/sdk/lwip/src/core/timers.c b/tools/sdk/lwip/src/core/timers.c deleted file mode 100644 index e682bd2d7c..0000000000 --- a/tools/sdk/lwip/src/core/timers.c +++ /dev/null @@ -1,513 +0,0 @@ -/** - * @file - * Stack-internal timers implementation. - * This file includes timer callbacks for stack-internal timers as well as - * functions to set up or stop timers and check for expired timers. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * Simon Goldschmidt - * - */ - -#include "lwip/opt.h" - -#include "lwip/timers.h" -#include "lwip/tcp_impl.h" - -#if LWIP_TIMERS - -#include "lwip/def.h" -#include "lwip/memp.h" -#include "lwip/tcpip.h" - -#include "lwip/ip_frag.h" -#include "netif/etharp.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "lwip/igmp.h" -#include "lwip/dns.h" - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/** The one and only timeout list */ -static struct sys_timeo *next_timeout = NULL; -#if NO_SYS -static u32_t timeouts_last_time; -#endif /* NO_SYS */ - -#if LWIP_TCP -/** global variable that shows if the tcp timer is currently scheduled or not */ -static int tcpip_tcp_timer_active; - -/** - * Timer callback function that calls tcp_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void ICACHE_FLASH_ATTR -tcpip_tcp_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - - /* call TCP timer handler */ - tcp_tmr(); - /* timer still needed? */ - if (tcp_active_pcbs || tcp_tw_pcbs) { - /* restart timer */ - sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL); - } else { - /* disable timer */ - tcpip_tcp_timer_active = 0; - } -} - -/** - * Called from TCP_REG when registering a new PCB: - * the reason is to have the TCP timer only running when - * there are active (or time-wait) PCBs. - */ -void -tcp_timer_needed(void) -{ - /* timer is off but needed again? */ - if (!tcpip_tcp_timer_active && (tcp_active_pcbs || tcp_tw_pcbs)) { - /* enable and start timer */ - tcpip_tcp_timer_active = 1; - sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL); - } -} - -/** - * Timer callback function that calls tcp_tmr() and reschedules itself. - * - * @param arg unused argument - */ - -static void ICACHE_FLASH_ATTR -tcp_timer_coarse(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: tcp_tmr()\n")); - tcp_tmr(); - sys_timeout(TCP_TMR_INTERVAL, tcp_timer_coarse, NULL); -} - -#endif /* LWIP_TCP */ - -#if IP_REASSEMBLY -/** - * Timer callback function that calls ip_reass_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void ICACHE_FLASH_ATTR -ip_reass_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: ip_reass_tmr()\n")); - ip_reass_tmr(); - sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL); -} -#endif /* IP_REASSEMBLY */ - -#if LWIP_ARP -/** - * Timer callback function that calls etharp_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void ICACHE_FLASH_ATTR -arp_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: etharp_tmr()\n")); - etharp_tmr(); - sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL); -} -#endif /* LWIP_ARP */ - -#if LWIP_DHCP -/** - * Timer callback function that calls dhcp_coarse_tmr() and reschedules itself. - * - * @param arg unused argument - */ -extern void dhcps_coarse_tmr(void); -static void -dhcp_timer_coarse(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dhcp_coarse_tmr()\n")); - dhcp_coarse_tmr(); - dhcps_coarse_tmr(); - sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL); -} - -/** - * Timer callback function that calls dhcp_fine_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void -dhcp_timer_fine(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dhcp_fine_tmr()\n")); - dhcp_fine_tmr(); - sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL); -} -#endif /* LWIP_DHCP */ - -#if LWIP_AUTOIP -/** - * Timer callback function that calls autoip_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void -autoip_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: autoip_tmr()\n")); - autoip_tmr(); - sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL); -} -#endif /* LWIP_AUTOIP */ - -#if LWIP_IGMP -/** - * Timer callback function that calls igmp_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void -igmp_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: igmp_tmr()\n")); - igmp_tmr(); - sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL); -} -#endif /* LWIP_IGMP */ - -#if LWIP_DNS -/** - * Timer callback function that calls dns_tmr() and reschedules itself. - * - * @param arg unused argument - */ -static void -dns_timer(void *arg) -{ - LWIP_UNUSED_ARG(arg); - LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dns_tmr()\n")); - dns_tmr(); - sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL); -} -#endif /* LWIP_DNS */ - -/** Initialize this module */ -void sys_timeouts_init(void) -{ -#if IP_REASSEMBLY - sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL); -#endif /* IP_REASSEMBLY */ -#if LWIP_ARP - sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL); -#endif /* LWIP_ARP */ -#if LWIP_DHCP - DHCP_MAXRTX = 0; - sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL); - sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL); -#endif /* LWIP_DHCP */ -#if LWIP_AUTOIP - sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL); -#endif /* LWIP_AUTOIP */ -#if LWIP_IGMP - sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL); -#endif /* LWIP_IGMP */ -#if LWIP_DNS - sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL); -#endif /* LWIP_DNS */ - -#if LWIP_TCP - sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL); -// sys_timeout(TCP_TMR_INTERVAL, tcp_timer_coarse, NULL); -#endif - -#if NO_SYS - /* Initialise timestamp for sys_check_timeouts */ - timeouts_last_time = NOW(); -#endif -} - -/** - * Create a one-shot timer (aka timeout). Timeouts are processed in the - * following cases: - * - while waiting for a message using sys_timeouts_mbox_fetch() - * - by calling sys_check_timeouts() (NO_SYS==1 only) - * - * @param msecs time in milliseconds after that the timer should expire - * @param handler callback function to call when msecs have elapsed - * @param arg argument to pass to the callback function - */ -#if LWIP_DEBUG_TIMERNAMES -void -sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name) -#else /* LWIP_DEBUG_TIMERNAMES */ -void -sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg) -#endif /* LWIP_DEBUG_TIMERNAMES */ -{ - struct sys_timeo *timeout, *t; - - timeout = (struct sys_timeo *)memp_malloc(MEMP_SYS_TIMEOUT); - if (timeout == NULL) { - LWIP_ASSERT("sys_timeout: timeout != NULL, pool MEMP_SYS_TIMEOUT is empty", timeout != NULL); - return; - } - timeout->next = NULL; - timeout->h = handler; - timeout->arg = arg; - timeout->time = msecs; -#if LWIP_DEBUG_TIMERNAMES - timeout->handler_name = handler_name; - LWIP_DEBUGF(TIMERS_DEBUG, ("sys_timeout: %p msecs=%"U32_F" handler=%s arg=%p\n", - (void *)timeout, msecs, handler_name, (void *)arg)); -#endif /* LWIP_DEBUG_TIMERNAMES */ - - if (next_timeout == NULL) { - next_timeout = timeout; - return; - } - - if (next_timeout->time > msecs) { - next_timeout->time -= msecs; - timeout->next = next_timeout; - next_timeout = timeout; - } else { - for(t = next_timeout; t != NULL; t = t->next) { - timeout->time -= t->time; - if (t->next == NULL || t->next->time > timeout->time) { - if (t->next != NULL) { - t->next->time -= timeout->time; - } - timeout->next = t->next; - t->next = timeout; - break; - } - } - } -} - -/** - * Go through timeout list (for this task only) and remove the first matching - * entry, even though the timeout has not triggered yet. - * - * @note This function only works as expected if there is only one timeout - * calling 'handler' in the list of timeouts. - * - * @param handler callback function that would be called by the timeout - * @param arg callback argument that would be passed to handler -*/ -void -sys_untimeout(sys_timeout_handler handler, void *arg) -{ - struct sys_timeo *prev_t, *t; - - if (next_timeout == NULL) { - return; - } - - for (t = next_timeout, prev_t = NULL; t != NULL; prev_t = t, t = t->next) { - if ((t->h == handler) && (t->arg == arg)) { - /* We have a match */ - /* Unlink from previous in list */ - if (prev_t == NULL) { - next_timeout = t->next; - } else { - prev_t->next = t->next; - } - /* If not the last one, add time of this one back to next */ - if (t->next != NULL) { - t->next->time += t->time; - } - memp_free(MEMP_SYS_TIMEOUT, t); - return; - } - } - return; -} - -#if NO_SYS -extern uint8 timer2_ms_flag; -/** Handle timeouts for NO_SYS==1 (i.e. without using - * tcpip_thread/sys_timeouts_mbox_fetch(). Uses sys_now() to call timeout - * handler functions when timeouts expire. - * - * Must be called periodically from your main loop. - */ -void -sys_check_timeouts(void) -{ - struct sys_timeo *tmptimeout; - u32_t diff; - sys_timeout_handler handler; - void *arg; - int had_one; - u32_t now; - - now = NOW(); - if (next_timeout) { - /* this cares for wraparounds */ - if (timer2_ms_flag == 0) { - diff = LWIP_U32_DIFF(now, timeouts_last_time)/((APB_CLK_FREQ>>4)/1000); - } else { - diff = LWIP_U32_DIFF(now, timeouts_last_time)/((APB_CLK_FREQ>>8)/1000); - } - do - { - had_one = 0; - tmptimeout = next_timeout; - if (tmptimeout->time <= diff) { - /* timeout has expired */ - had_one = 1; - timeouts_last_time = now; - diff -= tmptimeout->time; - next_timeout = tmptimeout->next; - handler = tmptimeout->h; - arg = tmptimeout->arg; -#if LWIP_DEBUG_TIMERNAMES - if (handler != NULL) { - LWIP_DEBUGF(TIMERS_DEBUG, ("sct calling h=%s arg=%p\n", - tmptimeout->handler_name, arg)); - } -#endif /* LWIP_DEBUG_TIMERNAMES */ - memp_free(MEMP_SYS_TIMEOUT, tmptimeout); - if (handler != NULL) { - handler(arg); - } - } - /* repeat until all expired timers have been called */ - }while(had_one); - } -} - -/** Set back the timestamp of the last call to sys_check_timeouts() - * This is necessary if sys_check_timeouts() hasn't been called for a long - * time (e.g. while saving energy) to prevent all timer functions of that - * period being called. - */ -void -sys_restart_timeouts(void) -{ - timeouts_last_time = NOW(); -} - -#else /* NO_SYS */ - -/** - * Wait (forever) for a message to arrive in an mbox. - * While waiting, timeouts are processed. - * - * @param mbox the mbox to fetch the message from - * @param msg the place to store the message - */ -void -sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg) -{ - u32_t time_needed; - struct sys_timeo *tmptimeout; - sys_timeout_handler handler; - void *arg; - - again: - if (!next_timeout) { - time_needed = sys_arch_mbox_fetch(mbox, msg, 0); - } else { - if (next_timeout->time > 0) { - time_needed = sys_arch_mbox_fetch(mbox, msg, next_timeout->time); - } else { - time_needed = SYS_ARCH_TIMEOUT; - } - - if (time_needed == SYS_ARCH_TIMEOUT) { - /* If time == SYS_ARCH_TIMEOUT, a timeout occured before a message - could be fetched. We should now call the timeout handler and - deallocate the memory allocated for the timeout. */ - tmptimeout = next_timeout; - next_timeout = tmptimeout->next; - handler = tmptimeout->h; - arg = tmptimeout->arg; -#if LWIP_DEBUG_TIMERNAMES - if (handler != NULL) { - LWIP_DEBUGF(TIMERS_DEBUG, ("stmf calling h=%s arg=%p\n", - tmptimeout->handler_name, arg)); - } -#endif /* LWIP_DEBUG_TIMERNAMES */ - memp_free(MEMP_SYS_TIMEOUT, tmptimeout); - if (handler != NULL) { - /* For LWIP_TCPIP_CORE_LOCKING, lock the core before calling the - timeout handler function. */ - LOCK_TCPIP_CORE(); - handler(arg); - UNLOCK_TCPIP_CORE(); - } - LWIP_TCPIP_THREAD_ALIVE(); - - /* We try again to fetch a message from the mbox. */ - goto again; - } else { - /* If time != SYS_ARCH_TIMEOUT, a message was received before the timeout - occured. The time variable is set to the number of - milliseconds we waited for the message. */ - if (time_needed < next_timeout->time) { - next_timeout->time -= time_needed; - } else { - next_timeout->time = 0; - } - } - } -} - -#endif /* NO_SYS */ - -#else /* LWIP_TIMERS */ -/* Satisfy the TCP code which calls this function */ -void -tcp_timer_needed(void) -{ -} -#endif /* LWIP_TIMERS */ diff --git a/tools/sdk/lwip/src/core/udp.c b/tools/sdk/lwip/src/core/udp.c deleted file mode 100644 index 42539d6d77..0000000000 --- a/tools/sdk/lwip/src/core/udp.c +++ /dev/null @@ -1,989 +0,0 @@ -/** - * @file - * User Datagram Protocol module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels - * - */ - - -/* udp.c - * - * The code for the User Datagram Protocol UDP & UDPLite (RFC 3828). - * - */ - -/* @todo Check the use of '(struct udp_pcb).chksum_len_rx'! - */ - -#include "lwip/opt.h" - -#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/udp.h" -#include "lwip/def.h" -#include "lwip/memp.h" -#include "lwip/inet_chksum.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "arch/perf.h" -#include "lwip/dhcp.h" - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -/* The list of UDP PCBs */ -/* exported in udp.h (was static) */ -struct udp_pcb *udp_pcbs; - -/** - * Process an incoming UDP datagram. - * - * Given an incoming UDP datagram (as a chain of pbufs) this function - * finds a corresponding UDP PCB and hands over the pbuf to the pcbs - * recv function. If no pcb is found or the datagram is incorrect, the - * pbuf is freed. - * - * @param p pbuf to be demultiplexed to a UDP PCB. - * @param inp network interface on which the datagram was received. - * - */ -void ICACHE_FLASH_ATTR -udp_input(struct pbuf *p, struct netif *inp) -{ - struct udp_hdr *udphdr; - struct udp_pcb *pcb, *prev; - struct udp_pcb *uncon_pcb; - struct ip_hdr *iphdr; - u16_t src, dest; - u8_t local_match; - u8_t broadcast; - - PERF_START; - - UDP_STATS_INC(udp.recv); - - iphdr = (struct ip_hdr *)p->payload; - - /* Check minimum length (IP header + UDP header) - * and move payload pointer to UDP header */ - if (p->tot_len < (IPH_HL(iphdr) * 4 + UDP_HLEN) || pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4))) { - /* drop short packets */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_input: short UDP datagram (%"U16_F" bytes) discarded\n", p->tot_len)); - UDP_STATS_INC(udp.lenerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - - udphdr = (struct udp_hdr *)p->payload; - - /* is broadcast packet ? */ - broadcast = ip_addr_isbroadcast(¤t_iphdr_dest, inp); - - LWIP_DEBUGF(UDP_DEBUG, ("udp_input: received datagram of length %"U16_F"\n", p->tot_len)); - - /* convert src and dest ports to host byte order */ - src = ntohs(udphdr->src); - dest = ntohs(udphdr->dest); - - udp_debug_print(udphdr); - - /* print the UDP source and destination */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") <-- " - "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n", - ip4_addr1_16(&iphdr->dest), ip4_addr2_16(&iphdr->dest), - ip4_addr3_16(&iphdr->dest), ip4_addr4_16(&iphdr->dest), ntohs(udphdr->dest), - ip4_addr1_16(&iphdr->src), ip4_addr2_16(&iphdr->src), - ip4_addr3_16(&iphdr->src), ip4_addr4_16(&iphdr->src), ntohs(udphdr->src))); - -#if LWIP_DHCP - pcb = NULL; - /* when LWIP_DHCP is active, packets to DHCP_CLIENT_PORT may only be processed by - the dhcp module, no other UDP pcb may use the local UDP port DHCP_CLIENT_PORT */ - if (dest == DHCP_CLIENT_PORT) { - /* all packets for DHCP_CLIENT_PORT not coming from DHCP_SERVER_PORT are dropped! */ - if (src == DHCP_SERVER_PORT) { - if ((inp->dhcp != NULL) && (inp->dhcp->pcb != NULL)) { - /* accept the packe if - (- broadcast or directed to us) -> DHCP is link-layer-addressed, local ip is always ANY! - - inp->dhcp->pcb->remote == ANY or iphdr->src */ - if ((ip_addr_isany(&inp->dhcp->pcb->remote_ip) || - ip_addr_cmp(&(inp->dhcp->pcb->remote_ip), ¤t_iphdr_src))) { - pcb = inp->dhcp->pcb; - } - } - } - } else if (dest == DHCP_SERVER_PORT) { - if (src == DHCP_CLIENT_PORT) { - if ( inp->dhcps_pcb != NULL ) { - if ((ip_addr_isany(&inp->dhcps_pcb->local_ip) || - ip_addr_cmp(&(inp->dhcps_pcb->local_ip), ¤t_iphdr_dest))) { - pcb = inp->dhcps_pcb; - } - } - } - } else -#endif /* LWIP_DHCP */ - { - prev = NULL; - local_match = 0; - uncon_pcb = NULL; - /* Iterate through the UDP pcb list for a matching pcb. - * 'Perfect match' pcbs (connected to the remote port & ip address) are - * preferred. If no perfect match is found, the first unconnected pcb that - * matches the local port and ip address gets the datagram. */ - for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) { - local_match = 0; - /* print the PCB local and remote address */ - LWIP_DEBUGF(UDP_DEBUG, - ("pcb (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") --- " - "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n", - ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip), - ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip), pcb->local_port, - ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip), - ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip), pcb->remote_port)); - - /* compare PCB local addr+port to UDP destination addr+port */ - if ((pcb->local_port == dest) && - ((!broadcast && ip_addr_isany(&pcb->local_ip)) || - ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest) || -#if LWIP_IGMP - ip_addr_ismulticast(¤t_iphdr_dest) || -#endif /* LWIP_IGMP */ -#if IP_SOF_BROADCAST_RECV - (broadcast && (pcb->so_options & SOF_BROADCAST)))) { -#else /* IP_SOF_BROADCAST_RECV */ - (broadcast))) { -#endif /* IP_SOF_BROADCAST_RECV */ - local_match = 1; - if ((uncon_pcb == NULL) && - ((pcb->flags & UDP_FLAGS_CONNECTED) == 0)) { - /* the first unconnected matching PCB */ - uncon_pcb = pcb; - } - } - /* compare PCB remote addr+port to UDP source addr+port */ - if ((local_match != 0) && - (pcb->remote_port == src) && - (ip_addr_isany(&pcb->remote_ip) || - ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src))) { - /* the first fully matching PCB */ - if (prev != NULL) { - /* move the pcb to the front of udp_pcbs so that is - found faster next time */ - prev->next = pcb->next; - pcb->next = udp_pcbs; - udp_pcbs = pcb; - } else { - UDP_STATS_INC(udp.cachehit); - } - break; - } - prev = pcb; - } - /* no fully matching pcb found? then look for an unconnected pcb */ - if (pcb == NULL) { - pcb = uncon_pcb; - } - } - - /* Check checksum if this is a match or if it was directed at us. */ - if (pcb != NULL || ip_addr_cmp(&inp->ip_addr, ¤t_iphdr_dest)) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: calculating checksum\n")); -#if LWIP_UDPLITE - if (IPH_PROTO(iphdr) == IP_PROTO_UDPLITE) { - /* Do the UDP Lite checksum */ -#if CHECKSUM_CHECK_UDP - u16_t chklen = ntohs(udphdr->len); - if (chklen < sizeof(struct udp_hdr)) { - if (chklen == 0) { - /* For UDP-Lite, checksum length of 0 means checksum - over the complete packet (See RFC 3828 chap. 3.1) */ - chklen = p->tot_len; - } else { - /* At least the UDP-Lite header must be covered by the - checksum! (Again, see RFC 3828 chap. 3.1) */ - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - } - if (inet_chksum_pseudo_partial(p, ¤t_iphdr_src, ¤t_iphdr_dest, - IP_PROTO_UDPLITE, p->tot_len, chklen) != 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_input: UDP Lite datagram discarded due to failing checksum\n")); - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } -#endif /* CHECKSUM_CHECK_UDP */ - } else -#endif /* LWIP_UDPLITE */ - { -#if CHECKSUM_CHECK_UDP - if (udphdr->chksum != 0) { - if (inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(), - IP_PROTO_UDP, p->tot_len) != 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_input: UDP datagram discarded due to failing checksum\n")); - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - } -#endif /* CHECKSUM_CHECK_UDP */ - } - if(pbuf_header(p, -UDP_HLEN)) { - /* Can we cope with this failing? Just assert for now */ - LWIP_ASSERT("pbuf_header failed\n", 0); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - if (pcb != NULL) { - snmp_inc_udpindatagrams(); -#if SO_REUSE && SO_REUSE_RXTOALL - if ((broadcast || ip_addr_ismulticast(¤t_iphdr_dest)) && - ((pcb->so_options & SOF_REUSEADDR) != 0)) { - /* pass broadcast- or multicast packets to all multicast pcbs - if SOF_REUSEADDR is set on the first match */ - struct udp_pcb *mpcb; - u8_t p_header_changed = 0; - for (mpcb = udp_pcbs; mpcb != NULL; mpcb = mpcb->next) { - if (mpcb != pcb) { - /* compare PCB local addr+port to UDP destination addr+port */ - if ((mpcb->local_port == dest) && - ((!broadcast && ip_addr_isany(&mpcb->local_ip)) || - ip_addr_cmp(&(mpcb->local_ip), ¤t_iphdr_dest) || -#if LWIP_IGMP - ip_addr_ismulticast(¤t_iphdr_dest) || -#endif /* LWIP_IGMP */ -#if IP_SOF_BROADCAST_RECV - (broadcast && (mpcb->so_options & SOF_BROADCAST)))) { -#else /* IP_SOF_BROADCAST_RECV */ - (broadcast))) { -#endif /* IP_SOF_BROADCAST_RECV */ - /* pass a copy of the packet to all local matches */ - if (mpcb->recv != NULL) { - struct pbuf *q; - /* for that, move payload to IP header again */ - if (p_header_changed == 0) { - pbuf_header(p, (s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN)); - p_header_changed = 1; - } - q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); - if (q != NULL) { - err_t err = pbuf_copy(q, p); - if (err == ERR_OK) { - /* move payload to UDP data */ - pbuf_header(q, -(s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN)); - mpcb->recv(mpcb->recv_arg, mpcb, q, ip_current_src_addr(), src); - } - } - } - } - } - } - if (p_header_changed) { - /* and move payload to UDP data again */ - pbuf_header(p, -(s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN)); - } - } -#endif /* SO_REUSE && SO_REUSE_RXTOALL */ - /* callback */ - if (pcb->recv != NULL) { - /* now the recv function is responsible for freeing p */ - pcb->recv(pcb->recv_arg, pcb, p, ip_current_src_addr(), src); - } else { - /* no recv function registered? then we have to free the pbuf! */ - pbuf_free(p); - goto end; - } - } else { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: not for us.\n")); - -#if LWIP_ICMP - /* No match was found, send ICMP destination port unreachable unless - destination address was broadcast/multicast. */ - if (!broadcast && - !ip_addr_ismulticast(¤t_iphdr_dest)) { - /* move payload pointer back to ip header */ - pbuf_header(p, (IPH_HL(iphdr) * 4) + UDP_HLEN); - LWIP_ASSERT("p->payload == iphdr", (p->payload == iphdr)); - icmp_dest_unreach(p, ICMP_DUR_PORT); - } -#endif /* LWIP_ICMP */ - UDP_STATS_INC(udp.proterr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpnoports(); - pbuf_free(p); - } - } else { - pbuf_free(p); - } -end: - PERF_STOP("udp_input"); -} - -/** - * Send data using UDP. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * - * The datagram will be sent to the current remote_ip & remote_port - * stored in pcb. If the pcb is not bound to a port, it will - * automatically be bound to a random port. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_MEM. Out of memory. - * - ERR_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. - * - * @see udp_disconnect() udp_sendto() - */ -err_t ICACHE_FLASH_ATTR -udp_send(struct udp_pcb *pcb, struct pbuf *p) -{ - /* send to the packet using remote ip and port stored in the pcb */ - return udp_sendto(pcb, p, &pcb->remote_ip, pcb->remote_port); -} - -#if LWIP_CHECKSUM_ON_COPY -/** Same as udp_send() but with checksum - */ -err_t ICACHE_FLASH_ATTR -udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p, - u8_t have_chksum, u16_t chksum) -{ - /* send to the packet using remote ip and port stored in the pcb */ - return udp_sendto_chksum(pcb, p, &pcb->remote_ip, pcb->remote_port, - have_chksum, chksum); -} -#endif /* LWIP_CHECKSUM_ON_COPY */ - -/** - * Send data to a specified address using UDP. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * @param dst_ip Destination IP address. - * @param dst_port Destination UDP port. - * - * dst_ip & dst_port are expected to be in the same byte order as in the pcb. - * - * If the PCB already has a remote address association, it will - * be restored after the data is sent. - * - * @return lwIP error code (@see udp_send for possible error codes) - * - * @see udp_disconnect() udp_send() - */ -err_t ICACHE_FLASH_ATTR -udp_sendto(struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port) -{ -#if LWIP_CHECKSUM_ON_COPY - return udp_sendto_chksum(pcb, p, dst_ip, dst_port, 0, 0); -} - -/** Same as udp_sendto(), but with checksum */ -err_t ICACHE_FLASH_ATTR -udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip, - u16_t dst_port, u8_t have_chksum, u16_t chksum) -{ -#endif /* LWIP_CHECKSUM_ON_COPY */ - struct netif *netif; - - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send\n")); - - /* find the outgoing network interface for this packet */ -#if LWIP_IGMP - netif = ip_route((ip_addr_ismulticast(dst_ip))?(&(pcb->multicast_ip)):(dst_ip)); -#else - netif = ip_route(dst_ip); -#endif /* LWIP_IGMP */ - - /* no outgoing network interface could be found? */ - if (netif == NULL) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(dst_ip), ip4_addr2_16(dst_ip), ip4_addr3_16(dst_ip), ip4_addr4_16(dst_ip))); - UDP_STATS_INC(udp.rterr); - return ERR_RTE; - } -#if LWIP_CHECKSUM_ON_COPY - return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, have_chksum, chksum); -#else /* LWIP_CHECKSUM_ON_COPY */ - return udp_sendto_if(pcb, p, dst_ip, dst_port, netif); -#endif /* LWIP_CHECKSUM_ON_COPY */ -} - -/** - * Send data to a specified address using UDP. - * The netif used for sending can be specified. - * - * This function exists mainly for DHCP, to be able to send UDP packets - * on a netif that is still down. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * @param dst_ip Destination IP address. - * @param dst_port Destination UDP port. - * @param netif the netif used for sending. - * - * dst_ip & dst_port are expected to be in the same byte order as in the pcb. - * - * @return lwIP error code (@see udp_send for possible error codes) - * - * @see udp_disconnect() udp_send() - */ -err_t ICACHE_FLASH_ATTR -udp_sendto_if(struct udp_pcb *pcb, struct pbuf *p, - ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif) -{ -#if LWIP_CHECKSUM_ON_COPY - return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, 0, 0); -} - -/** Same as udp_sendto_if(), but with checksum */ -err_t ICACHE_FLASH_ATTR -udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip, - u16_t dst_port, struct netif *netif, u8_t have_chksum, - u16_t chksum) -{ -#endif /* LWIP_CHECKSUM_ON_COPY */ - struct udp_hdr *udphdr; - ip_addr_t *src_ip; - err_t err; - struct pbuf *q; /* q will be sent down the stack */ - u8_t ttl; - -#if IP_SOF_BROADCAST - /* broadcast filter? */ - if ( ((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(dst_ip, netif) ) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_sendto_if: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb)); - return ERR_VAL; - } -#endif /* IP_SOF_BROADCAST */ - - /* if the PCB is not yet bound to a port, bind it here */ - if (pcb->local_port == 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send: not yet bound to a port, binding now\n")); - err = udp_bind(pcb, &pcb->local_ip, pcb->local_port); - if (err != ERR_OK) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: forced port bind failed\n")); - return err; - } - } - - /* not enough space to add an UDP header to first pbuf in given p chain? */ - if (pbuf_header(p, UDP_HLEN)) { - /* allocate header in a separate new pbuf */ - q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM); - /* new header pbuf could not be allocated? */ - if (q == NULL) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: could not allocate header\n")); - return ERR_MEM; - } - if (p->tot_len != 0) { - /* chain header q in front of given pbuf p (only if p contains data) */ - pbuf_chain(q, p); - } - /* first pbuf q points to header pbuf */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_send: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p)); - } else { - /* adding space for header within p succeeded */ - /* first pbuf q equals given pbuf */ - q = p; - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: added header in given pbuf %p\n", (void *)p)); - } - LWIP_ASSERT("check that first pbuf can hold struct udp_hdr", - (q->len >= sizeof(struct udp_hdr))); - /* q now represents the packet to be sent */ - udphdr = (struct udp_hdr *)q->payload; - udphdr->src = htons(pcb->local_port); - udphdr->dest = htons(dst_port); - /* in UDP, 0 checksum means 'no checksum' */ - udphdr->chksum = 0x0000; - - /* Multicast Loop? */ -#if LWIP_IGMP - if (((pcb->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) && ip_addr_ismulticast(dst_ip)) { - q->flags |= PBUF_FLAG_MCASTLOOP; - } -#endif /* LWIP_IGMP */ - - - /* PCB local address is IP_ANY_ADDR? */ - if (ip_addr_isany(&pcb->local_ip)) { - /* use outgoing network interface IP address as source address */ - src_ip = &(netif->ip_addr); - } else { - /* check if UDP PCB local IP address is correct - * this could be an old address if netif->ip_addr has changed */ - if (!ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) { - /* local_ip doesn't match, drop the packet */ - if (q != p) { - /* free the header pbuf */ - pbuf_free(q); - q = NULL; - /* p is still referenced by the caller, and will live on */ - } - return ERR_VAL; - } - /* use UDP PCB local IP address as source address */ - src_ip = &(pcb->local_ip); - } - - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: sending datagram of length %"U16_F"\n", q->tot_len)); - -#if LWIP_UDPLITE - /* UDP Lite protocol? */ - if (pcb->flags & UDP_FLAGS_UDPLITE) { - u16_t chklen, chklen_hdr; - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE packet length %"U16_F"\n", q->tot_len)); - /* set UDP message length in UDP header */ - chklen_hdr = chklen = pcb->chksum_len_tx; - if ((chklen < sizeof(struct udp_hdr)) || (chklen > q->tot_len)) { - if (chklen != 0) { - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE pcb->chksum_len is illegal: %"U16_F"\n", chklen)); - } - /* For UDP-Lite, checksum length of 0 means checksum - over the complete packet. (See RFC 3828 chap. 3.1) - At least the UDP-Lite header must be covered by the - checksum, therefore, if chksum_len has an illegal - value, we generate the checksum over the complete - packet to be safe. */ - chklen_hdr = 0; - chklen = q->tot_len; - } - udphdr->len = htons(chklen_hdr); - /* calculate checksum */ -#if CHECKSUM_GEN_UDP - udphdr->chksum = inet_chksum_pseudo_partial(q, src_ip, dst_ip, - IP_PROTO_UDPLITE, q->tot_len, -#if !LWIP_CHECKSUM_ON_COPY - chklen); -#else /* !LWIP_CHECKSUM_ON_COPY */ - (have_chksum ? UDP_HLEN : chklen)); - if (have_chksum) { - u32_t acc; - acc = udphdr->chksum + (u16_t)~(chksum); - udphdr->chksum = FOLD_U32T(acc); - } -#endif /* !LWIP_CHECKSUM_ON_COPY */ - - /* chksum zero must become 0xffff, as zero means 'no checksum' */ - if (udphdr->chksum == 0x0000) { - udphdr->chksum = 0xffff; - } -#endif /* CHECKSUM_GEN_UDP */ - /* output to IP */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDPLITE,)\n")); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if(q, src_ip, dst_ip, pcb->ttl, pcb->tos, IP_PROTO_UDPLITE, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - } else -#endif /* LWIP_UDPLITE */ - { /* UDP */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP packet length %"U16_F"\n", q->tot_len)); - udphdr->len = htons(q->tot_len); - /* calculate checksum */ -#if CHECKSUM_GEN_UDP - if ((pcb->flags & UDP_FLAGS_NOCHKSUM) == 0) { - u16_t udpchksum; -#if LWIP_CHECKSUM_ON_COPY - if (have_chksum) { - u32_t acc; - udpchksum = inet_chksum_pseudo_partial(q, src_ip, dst_ip, IP_PROTO_UDP, - q->tot_len, UDP_HLEN); - acc = udpchksum + (u16_t)~(chksum); - udpchksum = FOLD_U32T(acc); - } else -#endif /* LWIP_CHECKSUM_ON_COPY */ - { - udpchksum = inet_chksum_pseudo(q, src_ip, dst_ip, IP_PROTO_UDP, q->tot_len); - } - - /* chksum zero must become 0xffff, as zero means 'no checksum' */ - if (udpchksum == 0x0000) { - udpchksum = 0xffff; - } - udphdr->chksum = udpchksum; - } -#endif /* CHECKSUM_GEN_UDP */ - - /* Determine TTL to use */ -#if LWIP_IGMP - ttl = (ip_addr_ismulticast(dst_ip) ? pcb->mcast_ttl : pcb->ttl); -#else /* LWIP_IGMP */ - ttl = pcb->ttl; -#endif /* LWIP_IGMP */ - - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP checksum 0x%04"X16_F"\n", udphdr->chksum)); - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDP,)\n")); - /* output to IP */ -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if(q, src_ip, dst_ip, ttl, pcb->tos, IP_PROTO_UDP, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - } - /* TODO: must this be increased even if error occured? */ - snmp_inc_udpoutdatagrams(); - - /* did we chain a separate header pbuf earlier? */ - if (q != p) { - /* free the header pbuf */ - pbuf_free(q); - q = NULL; - /* p is still referenced by the caller, and will live on */ - } - - UDP_STATS_INC(udp.xmit); - return err; -} - -/** - * Bind an UDP PCB. - * - * @param pcb UDP PCB to be bound with a local address ipaddr and port. - * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to - * bind to all local interfaces. - * @param port local UDP port to bind with. Use 0 to automatically bind - * to a random port between UDP_LOCAL_PORT_RANGE_START and - * UDP_LOCAL_PORT_RANGE_END. - * - * ipaddr & port are expected to be in the same byte order as in the pcb. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_USE. The specified ipaddr and port are already bound to by - * another UDP PCB. - * - * @see udp_disconnect() - */ -err_t ICACHE_FLASH_ATTR -udp_bind(struct udp_pcb *pcb, ip_addr_t *ipaddr, u16_t port) -{ - struct udp_pcb *ipcb; - u8_t rebind; - - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_bind(ipaddr = ")); - ip_addr_debug_print(UDP_DEBUG, ipaddr); - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, (", port = %"U16_F")\n", port)); - - rebind = 0; - /* Check for double bind and rebind of the same pcb */ - for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) { - /* is this UDP PCB already on active list? */ - if (pcb == ipcb) { - /* pcb may occur at most once in active list */ - LWIP_ASSERT("rebind == 0", rebind == 0); - /* pcb already in list, just rebind */ - rebind = 1; - } - - /* By default, we don't allow to bind to a port that any other udp - PCB is alread bound to, unless *all* PCBs with that port have tha - REUSEADDR flag set. */ -#if SO_REUSE - else if (((pcb->so_options & SOF_REUSEADDR) == 0) && - ((ipcb->so_options & SOF_REUSEADDR) == 0)) { -#else /* SO_REUSE */ - /* port matches that of PCB in list and REUSEADDR not set -> reject */ - else { -#endif /* SO_REUSE */ - if ((ipcb->local_port == port) && - /* IP address matches, or one is IP_ADDR_ANY? */ - (ip_addr_isany(&(ipcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(ipcb->local_ip), ipaddr))) { - /* other PCB already binds to this local IP and port */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_bind: local port %"U16_F" already bound by another pcb\n", port)); - return ERR_USE; - } - } - } - - ip_addr_set(&pcb->local_ip, ipaddr); - - /* no port specified? */ - if (port == 0) { -#ifndef UDP_LOCAL_PORT_RANGE_START -#define UDP_LOCAL_PORT_RANGE_START 4096 -#define UDP_LOCAL_PORT_RANGE_END 0x7fff -#endif - port = UDP_LOCAL_PORT_RANGE_START; - ipcb = udp_pcbs; - while ((ipcb != NULL) && (port != UDP_LOCAL_PORT_RANGE_END)) { - if (ipcb->local_port == port) { - /* port is already used by another udp_pcb */ - port++; - /* restart scanning all udp pcbs */ - ipcb = udp_pcbs; - } else { - /* go on with next udp pcb */ - ipcb = ipcb->next; - } - } - if (ipcb != NULL) { - /* no more ports available in local range */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_bind: out of free UDP ports\n")); - return ERR_USE; - } - } - pcb->local_port = port; - snmp_insert_udpidx_tree(pcb); - /* pcb not active yet? */ - if (rebind == 0) { - /* place the PCB on the active list if not already there */ - pcb->next = udp_pcbs; - udp_pcbs = pcb; - } - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("udp_bind: bound to %"U16_F".%"U16_F".%"U16_F".%"U16_F", port %"U16_F"\n", - ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip), - ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip), - pcb->local_port)); - return ERR_OK; -} -/** - * Connect an UDP PCB. - * - * This will associate the UDP PCB with the remote address. - * - * @param pcb UDP PCB to be connected with remote address ipaddr and port. - * @param ipaddr remote IP address to connect with. - * @param port remote UDP port to connect with. - * - * @return lwIP error code - * - * ipaddr & port are expected to be in the same byte order as in the pcb. - * - * The udp pcb is bound to a random local port if not already bound. - * - * @see udp_disconnect() - */ -err_t ICACHE_FLASH_ATTR -udp_connect(struct udp_pcb *pcb, ip_addr_t *ipaddr, u16_t port) -{ - struct udp_pcb *ipcb; - - if (pcb->local_port == 0) { - err_t err = udp_bind(pcb, &pcb->local_ip, pcb->local_port); - if (err != ERR_OK) { - return err; - } - } - - ip_addr_set(&pcb->remote_ip, ipaddr); - pcb->remote_port = port; - pcb->flags |= UDP_FLAGS_CONNECTED; -/** TODO: this functionality belongs in upper layers */ -#ifdef LWIP_UDP_TODO - /* Nail down local IP for netconn_addr()/getsockname() */ - if (ip_addr_isany(&pcb->local_ip) && !ip_addr_isany(&pcb->remote_ip)) { - struct netif *netif; - - if ((netif = ip_route(&(pcb->remote_ip))) == NULL) { - LWIP_DEBUGF(UDP_DEBUG, ("udp_connect: No route to 0x%lx\n", pcb->remote_ip.addr)); - UDP_STATS_INC(udp.rterr); - return ERR_RTE; - } - /** TODO: this will bind the udp pcb locally, to the interface which - is used to route output packets to the remote address. However, we - might want to accept incoming packets on any interface! */ - pcb->local_ip = netif->ip_addr; - } else if (ip_addr_isany(&pcb->remote_ip)) { - pcb->local_ip.addr = 0; - } -#endif - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("udp_connect: connected to %"U16_F".%"U16_F".%"U16_F".%"U16_F",port %"U16_F"\n", - ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip), - ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip), - pcb->local_port)); - - /* Insert UDP PCB into the list of active UDP PCBs. */ - for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) { - if (pcb == ipcb) { - /* already on the list, just return */ - return ERR_OK; - } - } - /* PCB not yet on the list, add PCB now */ - pcb->next = udp_pcbs; - udp_pcbs = pcb; - return ERR_OK; -} - -/** - * Disconnect a UDP PCB - * - * @param pcb the udp pcb to disconnect. - */ -void ICACHE_FLASH_ATTR -udp_disconnect(struct udp_pcb *pcb) -{ - /* reset remote address association */ - ip_addr_set_any(&pcb->remote_ip); - pcb->remote_port = 0; - /* mark PCB as unconnected */ - pcb->flags &= ~UDP_FLAGS_CONNECTED; -} - -/** - * Set a receive callback for a UDP PCB - * - * This callback will be called when receiving a datagram for the pcb. - * - * @param pcb the pcb for wich to set the recv callback - * @param recv function pointer of the callback function - * @param recv_arg additional argument to pass to the callback function - */ -void ICACHE_FLASH_ATTR -udp_recv(struct udp_pcb *pcb, udp_recv_fn recv, void *recv_arg) -{ - /* remember recv() callback and user data */ - pcb->recv = recv; - pcb->recv_arg = recv_arg; -} - -/** - * Remove an UDP PCB. - * - * @param pcb UDP PCB to be removed. The PCB is removed from the list of - * UDP PCB's and the data structure is freed from memory. - * - * @see udp_new() - */ -void ICACHE_FLASH_ATTR -udp_remove(struct udp_pcb *pcb) -{ - struct udp_pcb *pcb2; - - snmp_delete_udpidx_tree(pcb); - /* pcb to be removed is first in list? */ - if (udp_pcbs == pcb) { - /* make list start at 2nd pcb */ - udp_pcbs = udp_pcbs->next; - /* pcb not 1st in list */ - } else { - for (pcb2 = udp_pcbs; pcb2 != NULL; pcb2 = pcb2->next) { - /* find pcb in udp_pcbs list */ - if (pcb2->next != NULL && pcb2->next == pcb) { - /* remove pcb from list */ - pcb2->next = pcb->next; - } - } - } - memp_free(MEMP_UDP_PCB, pcb); -} - -/** - * Create a UDP PCB. - * - * @return The UDP PCB which was created. NULL if the PCB data structure - * could not be allocated. - * - * @see udp_remove() - */ -struct udp_pcb * ICACHE_FLASH_ATTR -udp_new(void) -{ - struct udp_pcb *pcb; - pcb = (struct udp_pcb *)memp_malloc(MEMP_UDP_PCB); - /* could allocate UDP PCB? */ - if (pcb != NULL) { - /* UDP Lite: by initializing to all zeroes, chksum_len is set to 0 - * which means checksum is generated over the whole datagram per default - * (recommended as default by RFC 3828). */ - /* initialize PCB to all zeroes */ - os_memset(pcb, 0, sizeof(struct udp_pcb)); - pcb->ttl = UDP_TTL; -#if LWIP_IGMP - pcb->mcast_ttl = UDP_TTL; -#endif - } - return pcb; -} - -#if UDP_DEBUG -/** - * Print UDP header information for debug purposes. - * - * @param udphdr pointer to the udp header in memory. - */ -void ICACHE_FLASH_ATTR -udp_debug_print(struct udp_hdr *udphdr) -{ - LWIP_DEBUGF(UDP_DEBUG, ("UDP header:\n")); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(UDP_DEBUG, ("| %5"U16_F" | %5"U16_F" | (src port, dest port)\n", - ntohs(udphdr->src), ntohs(udphdr->dest))); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(UDP_DEBUG, ("| %5"U16_F" | 0x%04"X16_F" | (len, chksum)\n", - ntohs(udphdr->len), ntohs(udphdr->chksum))); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); -} -#endif /* UDP_DEBUG */ - -#endif /* LWIP_UDP */ diff --git a/tools/sdk/lwip/src/netif/etharp.c b/tools/sdk/lwip/src/netif/etharp.c deleted file mode 100644 index 7eb328ace4..0000000000 --- a/tools/sdk/lwip/src/netif/etharp.c +++ /dev/null @@ -1,1413 +0,0 @@ -/** - * @file - * Address Resolution Protocol module for IP over Ethernet - * - * Functionally, ARP is divided into two parts. The first maps an IP address - * to a physical address when sending a packet, and the second part answers - * requests from other machines for our physical address. - * - * This implementation complies with RFC 826 (Ethernet ARP). It supports - * Gratuitious ARP from RFC3220 (IP Mobility Support for IPv4) section 4.6 - * if an interface calls etharp_gratuitous(our_netif) upon address change. - */ - -/* - * Copyright (c) 2001-2003 Swedish Institute of Computer Science. - * Copyright (c) 2003-2004 Leon Woestenberg - * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -#include "lwip/opt.h" - -#if LWIP_ARP || LWIP_ETHERNET - -#include "lwip/ip_addr.h" -#include "lwip/def.h" -#include "lwip/ip.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "netif/etharp.h" - -#if PPPOE_SUPPORT -#include "netif/ppp_oe.h" -#endif /* PPPOE_SUPPORT */ - -#include - -#ifdef MEMLEAK_DEBUG -static const char mem_debug_file[] ICACHE_RODATA_ATTR = __FILE__; -#endif - -const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}}; -const struct eth_addr ethzero = {{0,0,0,0,0,0}}; - -#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */ - -/** the time an ARP entry stays valid after its last update, - * for ARP_TMR_INTERVAL = 5000, this is - * (240 * 5) seconds = 20 minutes. - */ -#define ARP_MAXAGE 240 -/** Re-request a used ARP entry 1 minute before it would expire to prevent - * breaking a steadily used connection because the ARP entry timed out. */ -#define ARP_AGE_REREQUEST_USED (ARP_MAXAGE - 12) -/** the time an ARP entry stays pending after first request, - * for ARP_TMR_INTERVAL = 5000, this is - * (2 * 5) seconds = 10 seconds. - * - * @internal Keep this number at least 2, otherwise it might - * run out instantly if the timeout occurs directly after a request. - */ -#define ARP_MAXPENDING 2 - -#define HWTYPE_ETHERNET 1 - -enum etharp_state { - ETHARP_STATE_EMPTY = 0, - ETHARP_STATE_PENDING, - ETHARP_STATE_STABLE, - ETHARP_STATE_STABLE_REREQUESTING -}; - -struct etharp_entry { -#if ARP_QUEUEING - /** Pointer to queue of pending outgoing packets on this ARP entry. */ - struct etharp_q_entry *q; -#else /* ARP_QUEUEING */ - /** Pointer to a single pending outgoing packet on this ARP entry. */ - struct pbuf *q; -#endif /* ARP_QUEUEING */ - ip_addr_t ipaddr; - struct eth_addr ethaddr; -#if LWIP_SNMP || LWIP_ARP - struct netif *netif; -#endif /* LWIP_SNMP */ - u8_t state; - u8_t ctime; -#if ETHARP_SUPPORT_STATIC_ENTRIES - u8_t static_entry; -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ -}; - -static struct etharp_entry arp_table[ARP_TABLE_SIZE]; - -#if !LWIP_NETIF_HWADDRHINT -static u8_t etharp_cached_entry; -#endif /* !LWIP_NETIF_HWADDRHINT */ - -/** Try hard to create a new entry - we want the IP address to appear in - the cache (even if this means removing an active entry or so). */ -#define ETHARP_FLAG_TRY_HARD 1 -#define ETHARP_FLAG_FIND_ONLY 2 -#define ETHARP_FLAG_STATIC_ENTRY 4 - -#if LWIP_NETIF_HWADDRHINT -#define ETHARP_SET_HINT(netif, hint) if (((netif) != NULL) && ((netif)->addr_hint != NULL)) \ - *((netif)->addr_hint) = (hint); -#else /* LWIP_NETIF_HWADDRHINT */ -#define ETHARP_SET_HINT(netif, hint) (etharp_cached_entry = (hint)) -#endif /* LWIP_NETIF_HWADDRHINT */ - -static err_t update_arp_entry(struct netif *netif, ip_addr_t *ipaddr, struct eth_addr *ethaddr, u8_t flags); - - -/* Some checks, instead of etharp_init(): */ -#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f)) - #error "ARP_TABLE_SIZE must fit in an s8_t, you have to reduce it in your lwipopts.h" -#endif - - -#if ARP_QUEUEING -/** - * Free a complete queue of etharp entries - * - * @param q a qeueue of etharp_q_entry's to free - */ -static void -free_etharp_q(struct etharp_q_entry *q) -{ - struct etharp_q_entry *r; - LWIP_ASSERT("q != NULL", q != NULL); - LWIP_ASSERT("q->p != NULL", q->p != NULL); - while (q) { - r = q; - q = q->next; - LWIP_ASSERT("r->p != NULL", (r->p != NULL)); - pbuf_free(r->p); - memp_free(MEMP_ARP_QUEUE, r); - } -} -#else /* ARP_QUEUEING */ - -/** Compatibility define: free the queued pbuf */ -#define free_etharp_q(q) pbuf_free(q) - -#endif /* ARP_QUEUEING */ - -/** Clean up ARP table entries */ -static void ICACHE_FLASH_ATTR -free_entry(int i) -{ - /* remove from SNMP ARP index tree */ - snmp_delete_arpidx_tree(arp_table[i].netif, &arp_table[i].ipaddr); - /* and empty packet queue */ - if (arp_table[i].q != NULL) { - /* remove all queued packets */ - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: freeing entry %"U16_F", packet queue %p.\n", (u16_t)i, (void *)(arp_table[i].q))); - free_etharp_q(arp_table[i].q); - arp_table[i].q = NULL; - } - /* recycle entry for re-use */ - arp_table[i].state = ETHARP_STATE_EMPTY; -#if ETHARP_SUPPORT_STATIC_ENTRIES - arp_table[i].static_entry = 0; -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ -#ifdef LWIP_DEBUG - /* for debugging, clean out the complete entry */ - arp_table[i].ctime = 0; -#if LWIP_SNMP - arp_table[i].netif = NULL; -#endif /* LWIP_SNMP */ - ip_addr_set_zero(&arp_table[i].ipaddr); - arp_table[i].ethaddr = ethzero; -#endif /* LWIP_DEBUG */ -} - -/** - * Clears expired entries in the ARP table. - * - * This function should be called every ETHARP_TMR_INTERVAL milliseconds (5 seconds), - * in order to expire entries in the ARP table. - */ -void -etharp_tmr(void) -{ - u8_t i; - - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer\n")); - /* remove expired entries from the ARP table */ - for (i = 0; i < ARP_TABLE_SIZE; ++i) { - u8_t state = arp_table[i].state; - if (state != ETHARP_STATE_EMPTY -#if ETHARP_SUPPORT_STATIC_ENTRIES - && (arp_table[i].static_entry == 0) -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - ) { - arp_table[i].ctime++; - if ((arp_table[i].ctime >= ARP_MAXAGE) || - ((arp_table[i].state == ETHARP_STATE_PENDING) && - (arp_table[i].ctime >= ARP_MAXPENDING))) { - /* pending or stable entry has become old! */ - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: expired %s entry %"U16_F".\n", - arp_table[i].state >= ETHARP_STATE_STABLE ? "stable" : "pending", (u16_t)i)); - /* clean up entries that have just been expired */ - free_entry(i); - } - else if (arp_table[i].state == ETHARP_STATE_STABLE_REREQUESTING) { - /* Reset state to stable, so that the next transmitted packet will - re-send an ARP request. */ - arp_table[i].state = ETHARP_STATE_STABLE; - } -#if ARP_QUEUEING - /* still pending entry? (not expired) */ - if (arp_table[i].state == ETHARP_STATE_PENDING) { - /* resend an ARP query here? */ - } -#endif /* ARP_QUEUEING */ - } - } -} - -/** - * Search the ARP table for a matching or new entry. - * - * If an IP address is given, return a pending or stable ARP entry that matches - * the address. If no match is found, create a new entry with this address set, - * but in state ETHARP_EMPTY. The caller must check and possibly change the - * state of the returned entry. - * - * If ipaddr is NULL, return a initialized new entry in state ETHARP_EMPTY. - * - * In all cases, attempt to create new entries from an empty entry. If no - * empty entries are available and ETHARP_FLAG_TRY_HARD flag is set, recycle - * old entries. Heuristic choose the least important entry for recycling. - * - * @param ipaddr IP address to find in ARP cache, or to add if not found. - * @param flags @see definition of ETHARP_FLAG_* - * @param netif netif related to this address (used for NETIF_HWADDRHINT) - * - * @return The ARP entry index that matched or is created, ERR_MEM if no - * entry is found or could be recycled. - */ -static s8_t ICACHE_FLASH_ATTR -find_entry(ip_addr_t *ipaddr, u8_t flags) -{ - s8_t old_pending = ARP_TABLE_SIZE, old_stable = ARP_TABLE_SIZE; - s8_t empty = ARP_TABLE_SIZE; - u8_t i = 0, age_pending = 0, age_stable = 0; - /* oldest entry with packets on queue */ - s8_t old_queue = ARP_TABLE_SIZE; - /* its age */ - u8_t age_queue = 0; - - /** - * a) do a search through the cache, remember candidates - * b) select candidate entry - * c) create new entry - */ - - /* a) in a single search sweep, do all of this - * 1) remember the first empty entry (if any) - * 2) remember the oldest stable entry (if any) - * 3) remember the oldest pending entry without queued packets (if any) - * 4) remember the oldest pending entry with queued packets (if any) - * 5) search for a matching IP entry, either pending or stable - * until 5 matches, or all entries are searched for. - */ - - for (i = 0; i < ARP_TABLE_SIZE; ++i) { - u8_t state = arp_table[i].state; - /* no empty entry found yet and now we do find one? */ - if ((empty == ARP_TABLE_SIZE) && (state == ETHARP_STATE_EMPTY)) { - LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %"U16_F"\n", (u16_t)i)); - /* remember first empty entry */ - empty = i; - } else if (state != ETHARP_STATE_EMPTY) { - LWIP_ASSERT("state == ETHARP_STATE_PENDING || state >= ETHARP_STATE_STABLE", - state == ETHARP_STATE_PENDING || state >= ETHARP_STATE_STABLE); - /* if given, does IP address match IP address in ARP entry? */ - if (ipaddr && ip_addr_cmp(ipaddr, &arp_table[i].ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: found matching entry %"U16_F"\n", (u16_t)i)); - /* found exact IP address match, simply bail out */ - return i; - } - /* pending entry? */ - if (state == ETHARP_STATE_PENDING) { - /* pending with queued packets? */ - if (arp_table[i].q != NULL) { - if (arp_table[i].ctime >= age_queue) { - old_queue = i; - age_queue = arp_table[i].ctime; - } - } else - /* pending without queued packets? */ - { - if (arp_table[i].ctime >= age_pending) { - old_pending = i; - age_pending = arp_table[i].ctime; - } - } - /* stable entry? */ - } else if (state >= ETHARP_STATE_STABLE) { -#if ETHARP_SUPPORT_STATIC_ENTRIES - /* don't record old_stable for static entries since they never expire */ - if (arp_table[i].static_entry == 0) -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - { - /* remember entry with oldest stable entry in oldest, its age in maxtime */ - if (arp_table[i].ctime >= age_stable) { - old_stable = i; - age_stable = arp_table[i].ctime; - } - } - } - } - } - /* { we have no match } => try to create a new entry */ - - /* don't create new entry, only search? */ - if (((flags & ETHARP_FLAG_FIND_ONLY) != 0) || - /* or no empty entry found and not allowed to recycle? */ - ((empty == ARP_TABLE_SIZE) && ((flags & ETHARP_FLAG_TRY_HARD) == 0))) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: no empty entry found and not allowed to recycle\n")); - return (s8_t)ERR_MEM; - } - - /* b) choose the least destructive entry to recycle: - * 1) empty entry - * 2) oldest stable entry - * 3) oldest pending entry without queued packets - * 4) oldest pending entry with queued packets - * - * { ETHARP_FLAG_TRY_HARD is set at this point } - */ - - /* 1) empty entry available? */ - if (empty < ARP_TABLE_SIZE) { - i = empty; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting empty entry %"U16_F"\n", (u16_t)i)); - } else { - /* 2) found recyclable stable entry? */ - if (old_stable < ARP_TABLE_SIZE) { - /* recycle oldest stable*/ - i = old_stable; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest stable entry %"U16_F"\n", (u16_t)i)); - /* no queued packets should exist on stable entries */ - LWIP_ASSERT("arp_table[i].q == NULL", arp_table[i].q == NULL); - /* 3) found recyclable pending entry without queued packets? */ - } else if (old_pending < ARP_TABLE_SIZE) { - /* recycle oldest pending */ - i = old_pending; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F" (without queue)\n", (u16_t)i)); - /* 4) found recyclable pending entry with queued packets? */ - } else if (old_queue < ARP_TABLE_SIZE) { - /* recycle oldest pending (queued packets are free in free_entry) */ - i = old_queue; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F", freeing packet queue %p\n", (u16_t)i, (void *)(arp_table[i].q))); - /* no empty or recyclable entries found */ - } else { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: no empty or recyclable entries found\n")); - return (s8_t)ERR_MEM; - } - - /* { empty or recyclable entry found } */ - LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE); - free_entry(i); - } - - LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE); - LWIP_ASSERT("arp_table[i].state == ETHARP_STATE_EMPTY", - arp_table[i].state == ETHARP_STATE_EMPTY); - - /* IP address given? */ - if (ipaddr != NULL) { - /* set IP address */ - ip_addr_copy(arp_table[i].ipaddr, *ipaddr); - } - arp_table[i].ctime = 0; -#if ETHARP_SUPPORT_STATIC_ENTRIES - arp_table[i].static_entry = 0; -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - return (err_t)i; -} - -/** - * Send an IP packet on the network using netif->linkoutput - * The ethernet header is filled in before sending. - * - * @params netif the lwIP network interface on which to send the packet - * @params p the packet to send, p->payload pointing to the (uninitialized) ethernet header - * @params src the source MAC address to be copied into the ethernet header - * @params dst the destination MAC address to be copied into the ethernet header - * @return ERR_OK if the packet was sent, any other err_t on failure - */ -static err_t ICACHE_FLASH_ATTR -etharp_send_ip(struct netif *netif, struct pbuf *p, struct eth_addr *src, struct eth_addr *dst) -{ - struct eth_hdr *ethhdr = (struct eth_hdr *)p->payload; - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); - ETHADDR32_COPY(ðhdr->dest, dst); - ETHADDR16_COPY(ðhdr->src, src); - ethhdr->type = PP_HTONS(ETHTYPE_IP); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_send_ip: sending packet %p\n", (void *)p)); - /* send the packet */ - return netif->linkoutput(netif, p); -} - -/** - * Update (or insert) a IP/MAC address pair in the ARP cache. - * - * If a pending entry is resolved, any queued packets will be sent - * at this point. - * - * @param netif netif related to this entry (used for NETIF_ADDRHINT) - * @param ipaddr IP address of the inserted ARP entry. - * @param ethaddr Ethernet address of the inserted ARP entry. - * @param flags @see definition of ETHARP_FLAG_* - * - * @return - * - ERR_OK Succesfully updated ARP cache. - * - ERR_MEM If we could not add a new ARP entry when ETHARP_FLAG_TRY_HARD was set. - * - ERR_ARG Non-unicast address given, those will not appear in ARP cache. - * - * @see pbuf_free() - */ -static err_t ICACHE_FLASH_ATTR -update_arp_entry(struct netif *netif, ip_addr_t *ipaddr, struct eth_addr *ethaddr, u8_t flags) -{ - s8_t i; - LWIP_ASSERT("netif->hwaddr_len == ETHARP_HWADDR_LEN", netif->hwaddr_len == ETHARP_HWADDR_LEN); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F" - %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F"\n", - ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr), - ethaddr->addr[0], ethaddr->addr[1], ethaddr->addr[2], - ethaddr->addr[3], ethaddr->addr[4], ethaddr->addr[5])); - /* non-unicast address? */ - if (ip_addr_isany(ipaddr) || - ip_addr_isbroadcast(ipaddr, netif) || - ip_addr_ismulticast(ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: will not add non-unicast IP address to ARP cache\n")); - return ERR_ARG; - } - /* find or create ARP entry */ - i = find_entry(ipaddr, flags); - /* bail out if no entry could be found */ - if (i < 0) { - return (err_t)i; - } - -#if ETHARP_SUPPORT_STATIC_ENTRIES - if (flags & ETHARP_FLAG_STATIC_ENTRY) { - /* record static type */ - arp_table[i].static_entry = 1; - } -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - - /* mark it stable */ - arp_table[i].state = ETHARP_STATE_STABLE; - -#if LWIP_SNMP - /* record network interface */ - arp_table[i].netif = netif; -#endif /* LWIP_SNMP */ - /* insert in SNMP ARP index tree */ - snmp_insert_arpidx_tree(netif, &arp_table[i].ipaddr); - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: updating stable entry %"S16_F"\n", (s16_t)i)); - /* update address */ - ETHADDR32_COPY(&arp_table[i].ethaddr, ethaddr); - /* reset time stamp */ - arp_table[i].ctime = 0; - /* this is where we will send out queued packets! */ -#if ARP_QUEUEING - while (arp_table[i].q != NULL) { - struct pbuf *p; - /* remember remainder of queue */ - struct etharp_q_entry *q = arp_table[i].q; - /* pop first item off the queue */ - arp_table[i].q = q->next; - /* get the packet pointer */ - p = q->p; - /* now queue entry can be freed */ - memp_free(MEMP_ARP_QUEUE, q); -#else /* ARP_QUEUEING */ - if (arp_table[i].q != NULL) { - struct pbuf *p = arp_table[i].q; - arp_table[i].q = NULL; -#endif /* ARP_QUEUEING */ - /* send the queued IP packet */ - etharp_send_ip(netif, p, (struct eth_addr*)(netif->hwaddr), ethaddr); - /* free the queued IP packet */ - pbuf_free(p); - } - return ERR_OK; -} - -#if ETHARP_SUPPORT_STATIC_ENTRIES -/** Add a new static entry to the ARP table. If an entry exists for the - * specified IP address, this entry is overwritten. - * If packets are queued for the specified IP address, they are sent out. - * - * @param ipaddr IP address for the new static entry - * @param ethaddr ethernet address for the new static entry - * @return @see return values of etharp_add_static_entry - */ -err_t -etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr) -{ - struct netif *netif; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_add_static_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F" - %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F"\n", - ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr), - ethaddr->addr[0], ethaddr->addr[1], ethaddr->addr[2], - ethaddr->addr[3], ethaddr->addr[4], ethaddr->addr[5])); - - netif = ip_route(ipaddr); - if (netif == NULL) { - return ERR_RTE; - } - - return update_arp_entry(netif, ipaddr, ethaddr, ETHARP_FLAG_TRY_HARD | ETHARP_FLAG_STATIC_ENTRY); -} - -/** Remove a static entry from the ARP table previously added with a call to - * etharp_add_static_entry. - * - * @param ipaddr IP address of the static entry to remove - * @return ERR_OK: entry removed - * ERR_MEM: entry wasn't found - * ERR_ARG: entry wasn't a static entry but a dynamic one - */ -err_t -etharp_remove_static_entry(ip_addr_t *ipaddr) -{ - s8_t i; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_remove_static_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr))); - - /* find or create ARP entry */ - i = find_entry(ipaddr, ETHARP_FLAG_FIND_ONLY); - /* bail out if no entry could be found */ - if (i < 0) { - return (err_t)i; - } - - if ((arp_table[i].state != ETHARP_STATE_STABLE) || - (arp_table[i].static_entry == 0)) { - /* entry wasn't a static entry, cannot remove it */ - return ERR_ARG; - } - /* entry found, free it */ - free_entry(i); - return ERR_OK; -} -#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */ - -/** - * Remove all ARP table entries of the specified netif. - * - * @param netif points to a network interface - */ -void ICACHE_FLASH_ATTR etharp_cleanup_netif(struct netif *netif) -{ - u8_t i; - - for (i = 0; i < ARP_TABLE_SIZE; ++i) { - u8_t state = arp_table[i].state; - if ((state != ETHARP_STATE_EMPTY) && (arp_table[i].netif == netif)) { - free_entry(i); - } - } -} - -/** - * Finds (stable) ethernet/IP address pair from ARP table - * using interface and IP address index. - * @note the addresses in the ARP table are in network order! - * - * @param netif points to interface index - * @param ipaddr points to the (network order) IP address index - * @param eth_ret points to return pointer - * @param ip_ret points to return pointer - * @return table index if found, -1 otherwise - */ -s8_t -etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr, - struct eth_addr **eth_ret, ip_addr_t **ip_ret) -{ - s8_t i; - - LWIP_ASSERT("eth_ret != NULL && ip_ret != NULL", - eth_ret != NULL && ip_ret != NULL); - - LWIP_UNUSED_ARG(netif); - - i = find_entry(ipaddr, ETHARP_FLAG_FIND_ONLY); - if((i >= 0) && (arp_table[i].state >= ETHARP_STATE_STABLE)) { - *eth_ret = &arp_table[i].ethaddr; - *ip_ret = &arp_table[i].ipaddr; - return i; - } - return -1; -} - -#if ETHARP_TRUST_IP_MAC -/** - * Updates the ARP table using the given IP packet. - * - * Uses the incoming IP packet's source address to update the - * ARP cache for the local network. The function does not alter - * or free the packet. This function must be called before the - * packet p is passed to the IP layer. - * - * @param netif The lwIP network interface on which the IP packet pbuf arrived. - * @param p The IP packet that arrived on netif. - * - * @return NULL - * - * @see pbuf_free() - */ -static void ICACHE_FLASH_ATTR -etharp_ip_input(struct netif *netif, struct pbuf *p) -{ - struct eth_hdr *ethhdr; - struct ip_hdr *iphdr; - ip_addr_t iphdr_src; - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - - /* Only insert an entry if the source IP address of the - incoming IP packet comes from a host on the local network. */ - ethhdr = (struct eth_hdr *)p->payload; - iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); -#if ETHARP_SUPPORT_VLAN - if (ethhdr->type == ETHTYPE_VLAN) { - iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR); - } -#endif /* ETHARP_SUPPORT_VLAN */ - - ip_addr_copy(iphdr_src, iphdr->src); - - /* source is not on the local network? */ - if (!ip_addr_netcmp(&iphdr_src, &(netif->ip_addr), &(netif->netmask))) { - /* do nothing */ - return; - } - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_ip_input: updating ETHARP table.\n")); - /* update the source IP address in the cache, if present */ - /* @todo We could use ETHARP_FLAG_TRY_HARD if we think we are going to talk - * back soon (for example, if the destination IP address is ours. */ - update_arp_entry(netif, &iphdr_src, &(ethhdr->src), ETHARP_FLAG_FIND_ONLY); -} -#endif /* ETHARP_TRUST_IP_MAC */ - -/** - * Responds to ARP requests to us. Upon ARP replies to us, add entry to cache - * send out queued IP packets. Updates cache with snooped address pairs. - * - * Should be called for incoming ARP packets. The pbuf in the argument - * is freed by this function. - * - * @param netif The lwIP network interface on which the ARP packet pbuf arrived. - * @param ethaddr Ethernet address of netif. - * @param p The ARP packet that arrived on netif. Is freed by this function. - * - * @return NULL - * - * @see pbuf_free() - */ -static void ICACHE_FLASH_ATTR -etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p) -{ - struct etharp_hdr *hdr; - struct eth_hdr *ethhdr; - /* these are aligned properly, whereas the ARP header fields might not be */ - ip_addr_t sipaddr, dipaddr; - u8_t for_us; -#if LWIP_AUTOIP - const u8_t * ethdst_hwaddr; -#endif /* LWIP_AUTOIP */ -#ifdef EBUF_LWIP - struct pbuf *q; -#endif /* EBUF_LWIP */ - - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - - /* drop short ARP packets: we have to check for p->len instead of p->tot_len here - since a struct etharp_hdr is pointed to p->payload, so it musn't be chained! */ - if (p->len < SIZEOF_ETHARP_PACKET) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("etharp_arp_input: packet dropped, too short (%"S16_F"/%"S16_F")\n", p->tot_len, - (s16_t)SIZEOF_ETHARP_PACKET)); - ETHARP_STATS_INC(etharp.lenerr); - ETHARP_STATS_INC(etharp.drop); - pbuf_free(p); - return; - } - - ethhdr = (struct eth_hdr *)p->payload; - hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); -#if ETHARP_SUPPORT_VLAN - if (ethhdr->type == ETHTYPE_VLAN) { - hdr = (struct etharp_hdr *)(((u8_t*)ethhdr) + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR); - } -#endif /* ETHARP_SUPPORT_VLAN */ - - /* RFC 826 "Packet Reception": */ - if ((hdr->hwtype != PP_HTONS(HWTYPE_ETHERNET)) || - (hdr->hwlen != ETHARP_HWADDR_LEN) || - (hdr->protolen != sizeof(ip_addr_t)) || - (hdr->proto != PP_HTONS(ETHTYPE_IP)) || - (ethhdr->type != PP_HTONS(ETHTYPE_ARP))) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n", - hdr->hwtype, hdr->hwlen, hdr->proto, hdr->protolen, ethhdr->type)); - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - pbuf_free(p); - return; - } - ETHARP_STATS_INC(etharp.recv); - -#if LWIP_AUTOIP - /* We have to check if a host already has configured our random - * created link local address and continously check if there is - * a host with this IP-address so we can detect collisions */ - autoip_arp_reply(netif, hdr); -#endif /* LWIP_AUTOIP */ - - /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without - * structure packing (not using structure copy which breaks strict-aliasing rules). */ - IPADDR2_COPY(&sipaddr, &hdr->sipaddr); - IPADDR2_COPY(&dipaddr, &hdr->dipaddr); - - /* this interface is not configured? */ - if (ip_addr_isany(&netif->ip_addr)) { - for_us = 0; - } else { - /* ARP packet directed to us? */ - for_us = (u8_t)ip_addr_cmp(&dipaddr, &(netif->ip_addr)); - } - - /* ARP message directed to us? - -> add IP address in ARP cache; assume requester wants to talk to us, - can result in directly sending the queued packets for this host. - ARP message not directed to us? - -> update the source IP address in the cache, if present */ - update_arp_entry(netif, &sipaddr, &(hdr->shwaddr), - for_us ? ETHARP_FLAG_TRY_HARD : ETHARP_FLAG_FIND_ONLY); - - /* now act on the message itself */ - switch (hdr->opcode) { - /* ARP request? */ - case PP_HTONS(ARP_REQUEST): - /* ARP request. If it asked for our address, we send out a - * reply. In any case, we time-stamp any existing ARP entry, - * and possiby send out an IP packet that was queued on it. */ - - LWIP_DEBUGF (ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP request\n")); - /* ARP request for our address? */ - if (for_us) { - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: replying to ARP request for our IP address\n")); - /* Re-use pbuf to send ARP reply. - Since we are re-using an existing pbuf, we can't call etharp_raw since - that would allocate a new pbuf. */ - hdr->opcode = htons(ARP_REPLY); - - IPADDR2_COPY(&hdr->dipaddr, &hdr->sipaddr); - IPADDR2_COPY(&hdr->sipaddr, &netif->ip_addr); - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); -#if LWIP_AUTOIP - /* If we are using Link-Local, all ARP packets that contain a Link-Local - * 'sender IP address' MUST be sent using link-layer broadcast instead of - * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */ - ethdst_hwaddr = ip_addr_islinklocal(&netif->ip_addr) ? (u8_t*)(ethbroadcast.addr) : hdr->shwaddr.addr; -#endif /* LWIP_AUTOIP */ - - ETHADDR16_COPY(&hdr->dhwaddr, &hdr->shwaddr); -#if LWIP_AUTOIP - ETHADDR16_COPY(ðhdr->dest, ethdst_hwaddr); -#else /* LWIP_AUTOIP */ - ETHADDR16_COPY(ðhdr->dest, &hdr->shwaddr); -#endif /* LWIP_AUTOIP */ - ETHADDR16_COPY(&hdr->shwaddr, ethaddr); - ETHADDR16_COPY(ðhdr->src, ethaddr); - - /* hwtype, hwaddr_len, proto, protolen and the type in the ethernet header - are already correct, we tested that before */ -#ifdef EBUF_LWIP - /* - * don't do flip-flop here... do a copy here. - * otherwise, we need to handle existing pbuf->eb in ieee80211_output.c - */ - - q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); - if (q != NULL) { - pbuf_copy(q, p); - //pbuf_free(p); - } else { - LWIP_ASSERT("q != NULL", q != NULL); - } - - netif->linkoutput(netif, q); - pbuf_free(q); -#else - - /* return ARP reply */ - netif->linkoutput(netif, p); -#endif /* ESF_LWIP */ - /* we are not configured? */ - } else if (ip_addr_isany(&netif->ip_addr)) { - /* { for_us == 0 and netif->ip_addr.addr == 0 } */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: we are unconfigured, ARP request ignored.\n")); - /* request was not directed to us */ - } else { - /* { for_us == 0 and netif->ip_addr.addr != 0 } */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP request was not for us.\n")); - } - break; - case PP_HTONS(ARP_REPLY): - /* ARP reply. We already updated the ARP cache earlier. */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP reply\n")); -#if (LWIP_DHCP && DHCP_DOES_ARP_CHECK) - /* DHCP wants to know about ARP replies from any host with an - * IP address also offered to us by the DHCP server. We do not - * want to take a duplicate IP address on a single network. - * @todo How should we handle redundant (fail-over) interfaces? */ - dhcp_arp_reply(netif, &sipaddr); -#endif /* (LWIP_DHCP && DHCP_DOES_ARP_CHECK) */ - break; - default: - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP unknown opcode type %"S16_F"\n", htons(hdr->opcode))); - ETHARP_STATS_INC(etharp.err); - break; - } - /* free ARP packet */ - pbuf_free(p); -} - -/** Just a small helper function that sends a pbuf to an ethernet address - * in the arp_table specified by the index 'arp_idx'. - */ -static err_t ICACHE_FLASH_ATTR -etharp_output_to_arp_index(struct netif *netif, struct pbuf *q, u8_t arp_idx) -{ - LWIP_ASSERT("arp_table[arp_idx].state >= ETHARP_STATE_STABLE", - arp_table[arp_idx].state >= ETHARP_STATE_STABLE); - /* if arp table entry is about to expire: re-request it, - but only if its state is ETHARP_STATE_STABLE to prevent flooding the - network with ARP requests if this address is used frequently. */ - if ((arp_table[arp_idx].state == ETHARP_STATE_STABLE) && - (arp_table[arp_idx].ctime >= ARP_AGE_REREQUEST_USED)) { - if (etharp_request(netif, &arp_table[arp_idx].ipaddr) == ERR_OK) { - arp_table[arp_idx].state = ETHARP_STATE_STABLE_REREQUESTING; - } - } - - return etharp_send_ip(netif, q, (struct eth_addr*)(netif->hwaddr), - &arp_table[arp_idx].ethaddr); -} - -/** - * Resolve and fill-in Ethernet address header for outgoing IP packet. - * - * For IP multicast and broadcast, corresponding Ethernet addresses - * are selected and the packet is transmitted on the link. - * - * For unicast addresses, the packet is submitted to etharp_query(). In - * case the IP address is outside the local network, the IP address of - * the gateway is used. - * - * @param netif The lwIP network interface which the IP packet will be sent on. - * @param q The pbuf(s) containing the IP packet to be sent. - * @param ipaddr The IP address of the packet destination. - * - * @return - * - ERR_RTE No route to destination (no gateway to external networks), - * or the return type of either etharp_query() or etharp_send_ip(). - */ -err_t -etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr) -{ - struct eth_addr *dest, mcastaddr; - - /* make room for Ethernet header - should not fail */ - if (pbuf_header(q, sizeof(struct eth_hdr)) != 0) { - /* bail out */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("etharp_output: could not allocate room for header.\n")); - LINK_STATS_INC(link.lenerr); - return ERR_BUF; - } - - /* assume unresolved Ethernet address */ - dest = NULL; - /* Determine on destination hardware address. Broadcasts and multicasts - * are special, other IP addresses are looked up in the ARP table. */ - - /* broadcast destination IP address? */ - if (ip_addr_isbroadcast(ipaddr, netif)) { - /* broadcast on Ethernet also */ - dest = (struct eth_addr *)ðbroadcast; - /* multicast destination IP address? */ - } else if (ip_addr_ismulticast(ipaddr)) { - /* Hash IP multicast address to MAC address.*/ - mcastaddr.addr[0] = 0x01; - mcastaddr.addr[1] = 0x00; - mcastaddr.addr[2] = 0x5e; - mcastaddr.addr[3] = ip4_addr2(ipaddr) & 0x7f; - mcastaddr.addr[4] = ip4_addr3(ipaddr); - mcastaddr.addr[5] = ip4_addr4(ipaddr); - /* destination Ethernet address is multicast */ - dest = &mcastaddr; - /* unicast destination IP address? */ - } else { - s8_t i; - /* outside local network? if so, this can neither be a global broadcast nor - a subnet broadcast. */ - if (!ip_addr_netcmp(ipaddr, &(netif->ip_addr), &(netif->netmask)) && - !ip_addr_islinklocal(ipaddr)) { -#if LWIP_AUTOIP - struct ip_hdr *iphdr = (struct ip_hdr*)((u8_t*)q->payload + - sizeof(struct eth_hdr)); - /* According to RFC 3297, chapter 2.6.2 (Forwarding Rules), a packet with - a link-local source address must always be "directly to its destination - on the same physical link. The host MUST NOT send the packet to any - router for forwarding". */ - if (!ip_addr_islinklocal(&iphdr->src)) -#endif /* LWIP_AUTOIP */ - { - /* interface has default gateway? */ - if (!ip_addr_isany(&netif->gw)) { - /* send to hardware address of default gateway IP address */ - ipaddr = &(netif->gw); - /* no default gateway available */ - } else { - /* no route to destination error (default gateway missing) */ - return ERR_RTE; - } - } - } -#if LWIP_NETIF_HWADDRHINT - if (netif->addr_hint != NULL) { - /* per-pcb cached entry was given */ - u8_t etharp_cached_entry = *(netif->addr_hint); - if (etharp_cached_entry < ARP_TABLE_SIZE) { -#endif /* LWIP_NETIF_HWADDRHINT */ - if ((arp_table[etharp_cached_entry].state >= ETHARP_STATE_STABLE) && - (ip_addr_cmp(ipaddr, &arp_table[etharp_cached_entry].ipaddr))) { - /* the per-pcb-cached entry is stable and the right one! */ - ETHARP_STATS_INC(etharp.cachehit); - return etharp_output_to_arp_index(netif, q, etharp_cached_entry); - } -#if LWIP_NETIF_HWADDRHINT - } - } -#endif /* LWIP_NETIF_HWADDRHINT */ - /* find stable entry: do this here since this is a critical path for - throughput and etharp_find_entry() is kind of slow */ - for (i = 0; i < ARP_TABLE_SIZE; i++) { - if ((arp_table[i].state >= ETHARP_STATE_STABLE) && - (ip_addr_cmp(ipaddr, &arp_table[i].ipaddr))) { - /* found an existing, stable entry */ - ETHARP_SET_HINT(netif, i); - return etharp_output_to_arp_index(netif, q, i); - } - } - /* queue on destination Ethernet address belonging to ipaddr */ - return etharp_query(netif, ipaddr, q); - } - - /* continuation for multicast/broadcast destinations */ - /* obtain source Ethernet address of the given interface */ - /* send packet directly on the link */ - return etharp_send_ip(netif, q, (struct eth_addr*)(netif->hwaddr), dest); -} - -/** - * Send an ARP request for the given IP address and/or queue a packet. - * - * If the IP address was not yet in the cache, a pending ARP cache entry - * is added and an ARP request is sent for the given address. The packet - * is queued on this entry. - * - * If the IP address was already pending in the cache, a new ARP request - * is sent for the given address. The packet is queued on this entry. - * - * If the IP address was already stable in the cache, and a packet is - * given, it is directly sent and no ARP request is sent out. - * - * If the IP address was already stable in the cache, and no packet is - * given, an ARP request is sent out. - * - * @param netif The lwIP network interface on which ipaddr - * must be queried for. - * @param ipaddr The IP address to be resolved. - * @param q If non-NULL, a pbuf that must be delivered to the IP address. - * q is not freed by this function. - * - * @note q must only be ONE packet, not a packet queue! - * - * @return - * - ERR_BUF Could not make room for Ethernet header. - * - ERR_MEM Hardware address unknown, and no more ARP entries available - * to query for address or queue the packet. - * - ERR_MEM Could not queue packet due to memory shortage. - * - ERR_RTE No route to destination (no gateway to external networks). - * - ERR_ARG Non-unicast address given, those will not appear in ARP cache. - * - */ -err_t -etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q) -{ - struct eth_addr * srcaddr = (struct eth_addr *)netif->hwaddr; - err_t result = ERR_MEM; - s8_t i; /* ARP entry index */ - - /* non-unicast address? */ - if (ip_addr_isbroadcast(ipaddr, netif) || - ip_addr_ismulticast(ipaddr) || - ip_addr_isany(ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: will not add non-unicast IP address to ARP cache\n")); - return ERR_ARG; - } - - /* find entry in ARP cache, ask to create entry if queueing packet */ - i = find_entry(ipaddr, ETHARP_FLAG_TRY_HARD); - - /* could not find or create entry? */ - if (i < 0) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not create ARP entry\n")); - if (q) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: packet dropped\n")); - ETHARP_STATS_INC(etharp.memerr); - } - return (err_t)i; - } - - /* mark a fresh entry as pending (we just sent a request) */ - if (arp_table[i].state == ETHARP_STATE_EMPTY) { - arp_table[i].state = ETHARP_STATE_PENDING; - } - - /* { i is either a STABLE or (new or existing) PENDING entry } */ - LWIP_ASSERT("arp_table[i].state == PENDING or STABLE", - ((arp_table[i].state == ETHARP_STATE_PENDING) || - (arp_table[i].state >= ETHARP_STATE_STABLE))); - - /* do we have a pending entry? or an implicit query request? */ - if ((arp_table[i].state == ETHARP_STATE_PENDING) || (q == NULL)) { - /* try to resolve it; send out ARP request */ - result = etharp_request(netif, ipaddr); - if (result != ERR_OK) { - /* ARP request couldn't be sent */ - /* We don't re-send arp request in etharp_tmr, but we still queue packets, - since this failure could be temporary, and the next packet calling - etharp_query again could lead to sending the queued packets. */ - } - if (q == NULL) { - return result; - } - } - - /* packet given? */ - LWIP_ASSERT("q != NULL", q != NULL); - /* stable entry? */ - if (arp_table[i].state >= ETHARP_STATE_STABLE) { - /* we have a valid IP->Ethernet address mapping */ - ETHARP_SET_HINT(netif, i); - /* send the packet */ - result = etharp_send_ip(netif, q, srcaddr, &(arp_table[i].ethaddr)); - /* pending entry? (either just created or already pending */ - } else if (arp_table[i].state == ETHARP_STATE_PENDING) { - /* entry is still pending, queue the given packet 'q' */ - struct pbuf *p; - int copy_needed = 0; - /* IF q includes a PBUF_REF, PBUF_POOL or PBUF_RAM, we have no choice but - * to copy the whole queue into a new PBUF_RAM (see bug #11400) - * PBUF_ROMs can be left as they are, since ROM must not get changed. */ - p = q; - while (p) { - LWIP_ASSERT("no packet queues allowed!", (p->len != p->tot_len) || (p->next == 0)); - if(p->type != PBUF_ROM) { - copy_needed = 1; - break; - } - p = p->next; - } - if(copy_needed) { - /* copy the whole packet into new pbufs */ - p = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); - if(p != NULL) { - if (pbuf_copy(p, q) != ERR_OK) { - pbuf_free(p); - p = NULL; - } - } - } else { - /* referencing the old pbuf is enough */ - p = q; - pbuf_ref(p); - } - /* packet could be taken over? */ - if (p != NULL) { - /* queue packet ... */ -#if ARP_QUEUEING - struct etharp_q_entry *new_entry; - /* allocate a new arp queue entry */ - new_entry = (struct etharp_q_entry *)memp_malloc(MEMP_ARP_QUEUE); - if (new_entry != NULL) { - unsigned int qlen = 0; - new_entry->next = 0; - new_entry->p = p; - if(arp_table[i].q != NULL) { - /* queue was already existent, append the new entry to the end */ - struct etharp_q_entry *r; - r = arp_table[i].q; - qlen++; - while (r->next != NULL) { - r = r->next; - qlen++; - } - r->next = new_entry; - } else { - /* queue did not exist, first item in queue */ - arp_table[i].q = new_entry; - } - if(qlen >= 3) { - struct etharp_q_entry *old; - old = arp_table[i].q; - arp_table[i].q = arp_table[i].q->next; - pbuf_free(old->p); - memp_free(MEM_ARP_QUEUE, old); - } - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: queued packet %p on ARP entry %"S16_F"\n", (void *)q, (s16_t)i)); - result = ERR_OK; - } else { - /* the pool MEMP_ARP_QUEUE is empty */ - pbuf_free(p); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q)); - result = ERR_MEM; - } -#else /* ARP_QUEUEING */ - /* always queue one packet per ARP request only, freeing a previously queued packet */ - if (arp_table[i].q != NULL) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: dropped previously queued packet %p for ARP entry %"S16_F"\n", (void *)q, (s16_t)i)); - pbuf_free(arp_table[i].q); - } - arp_table[i].q = p; - result = ERR_OK; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: queued packet %p on ARP entry %"S16_F"\n", (void *)q, (s16_t)i)); -#endif /* ARP_QUEUEING */ - } else { - ETHARP_STATS_INC(etharp.memerr); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q)); - result = ERR_MEM; - } - } - return result; -} - -/** - * Send a raw ARP packet (opcode and all addresses can be modified) - * - * @param netif the lwip network interface on which to send the ARP packet - * @param ethsrc_addr the source MAC address for the ethernet header - * @param ethdst_addr the destination MAC address for the ethernet header - * @param hwsrc_addr the source MAC address for the ARP protocol header - * @param ipsrc_addr the source IP address for the ARP protocol header - * @param hwdst_addr the destination MAC address for the ARP protocol header - * @param ipdst_addr the destination IP address for the ARP protocol header - * @param opcode the type of the ARP packet - * @return ERR_OK if the ARP packet has been sent - * ERR_MEM if the ARP packet couldn't be allocated - * any other err_t on failure - */ -#if !LWIP_AUTOIP -static -#endif /* LWIP_AUTOIP */ -err_t ICACHE_FLASH_ATTR -etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, - const struct eth_addr *ethdst_addr, - const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr, - const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr, - const u16_t opcode) -{ - struct pbuf *p; - err_t result = ERR_OK; - struct eth_hdr *ethhdr; - struct etharp_hdr *hdr; -#if LWIP_AUTOIP - const u8_t * ethdst_hwaddr; -#endif /* LWIP_AUTOIP */ - - /* allocate a pbuf for the outgoing ARP request packet */ - p = pbuf_alloc(PBUF_RAW, SIZEOF_ETHARP_PACKET, PBUF_RAM); - /* could allocate a pbuf for an ARP request? */ - if (p == NULL) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("etharp_raw: could not allocate pbuf for ARP request.\n")); - ETHARP_STATS_INC(etharp.memerr); - return ERR_MEM; - } - LWIP_ASSERT("check that first pbuf can hold struct etharp_hdr", - (p->len >= SIZEOF_ETHARP_PACKET)); - - ethhdr = (struct eth_hdr *)p->payload; - hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_raw: sending raw ARP packet.\n")); - hdr->opcode = htons(opcode); - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); -#if LWIP_AUTOIP - /* If we are using Link-Local, all ARP packets that contain a Link-Local - * 'sender IP address' MUST be sent using link-layer broadcast instead of - * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */ - ethdst_hwaddr = ip_addr_islinklocal(ipsrc_addr) ? (u8_t*)(ethbroadcast.addr) : ethdst_addr->addr; -#endif /* LWIP_AUTOIP */ - /* Write the ARP MAC-Addresses */ - ETHADDR16_COPY(&hdr->shwaddr, hwsrc_addr); - ETHADDR16_COPY(&hdr->dhwaddr, hwdst_addr); - /* Write the Ethernet MAC-Addresses */ -#if LWIP_AUTOIP - ETHADDR16_COPY(ðhdr->dest, ethdst_hwaddr); -#else /* LWIP_AUTOIP */ - ETHADDR16_COPY(ðhdr->dest, ethdst_addr); -#endif /* LWIP_AUTOIP */ - ETHADDR16_COPY(ðhdr->src, ethsrc_addr); - /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without - * structure packing. */ - IPADDR2_COPY(&hdr->sipaddr, ipsrc_addr); - IPADDR2_COPY(&hdr->dipaddr, ipdst_addr); - - hdr->hwtype = PP_HTONS(HWTYPE_ETHERNET); - hdr->proto = PP_HTONS(ETHTYPE_IP); - /* set hwlen and protolen */ - hdr->hwlen = ETHARP_HWADDR_LEN; - hdr->protolen = sizeof(ip_addr_t); - - ethhdr->type = PP_HTONS(ETHTYPE_ARP); - /* send ARP query */ - result = netif->linkoutput(netif, p); - ETHARP_STATS_INC(etharp.xmit); - /* free ARP query packet */ - pbuf_free(p); - p = NULL; - /* could not allocate pbuf for ARP request */ - - return result; -} - -/** - * Send an ARP request packet asking for ipaddr. - * - * @param netif the lwip network interface on which to send the request - * @param ipaddr the IP address for which to ask - * @return ERR_OK if the request has been sent - * ERR_MEM if the ARP packet couldn't be allocated - * any other err_t on failure - */ -err_t -etharp_request(struct netif *netif, ip_addr_t *ipaddr) -{ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_request: sending ARP request.\n")); - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, &netif->ip_addr, ðzero, - ipaddr, ARP_REQUEST); -} -#endif /* LWIP_ARP */ - -/** - * Process received ethernet frames. Using this function instead of directly - * calling ip_input and passing ARP frames through etharp in ethernetif_input, - * the ARP cache is protected from concurrent access. - * - * @param p the recevied packet, p->payload pointing to the ethernet header - * @param netif the network interface on which the packet was received - */ -err_t -ethernet_input(struct pbuf *p, struct netif *netif) -{ - struct eth_hdr* ethhdr; - u16_t type; - s16_t ip_hdr_offset = SIZEOF_ETH_HDR; - - if (p->len <= SIZEOF_ETH_HDR) { - /* a packet with only an ethernet header (or less) is not valid for us modify by ives at 2014.4.24*/ - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - goto free_and_return; - } - - /* points to packet payload, which starts with an Ethernet header */ - ethhdr = (struct eth_hdr *)p->payload; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, - ("ethernet_input: dest:%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F", src:%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F", type:%"X16_F"\n", - (unsigned)ethhdr->dest.addr[0], (unsigned)ethhdr->dest.addr[1], (unsigned)ethhdr->dest.addr[2], - (unsigned)ethhdr->dest.addr[3], (unsigned)ethhdr->dest.addr[4], (unsigned)ethhdr->dest.addr[5], - (unsigned)ethhdr->src.addr[0], (unsigned)ethhdr->src.addr[1], (unsigned)ethhdr->src.addr[2], - (unsigned)ethhdr->src.addr[3], (unsigned)ethhdr->src.addr[4], (unsigned)ethhdr->src.addr[5], - (unsigned)htons(ethhdr->type))); - - type = ethhdr->type; -#if ETHARP_SUPPORT_VLAN - if (type == PP_HTONS(ETHTYPE_VLAN)) { - struct eth_vlan_hdr *vlan = (struct eth_vlan_hdr*)(((char*)ethhdr) + SIZEOF_ETH_HDR); - if (p->len <= SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR) { - /* a packet with only an ethernet/vlan header (or less) is not valid for us modify by ives at 2014.4.24*/ - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - goto free_and_return; - } -#ifdef ETHARP_VLAN_CHECK /* if not, allow all VLANs */ - if (VLAN_ID(vlan) != ETHARP_VLAN_CHECK) { - /* silently ignore this packet: not for our VLAN */ - pbuf_free(p); - return ERR_OK; - } -#endif /* ETHARP_VLAN_CHECK */ - type = vlan->tpid; - ip_hdr_offset = SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR; - } -#endif /* ETHARP_SUPPORT_VLAN */ - -#if LWIP_ARP_FILTER_NETIF - netif = LWIP_ARP_FILTER_NETIF_FN(p, netif, htons(type)); -#endif /* LWIP_ARP_FILTER_NETIF*/ - - switch (type) { -#if LWIP_ARP - /* IP packet? */ - case PP_HTONS(ETHTYPE_IP): - if (!(netif->flags & NETIF_FLAG_ETHARP)) { - goto free_and_return; - } -#if ETHARP_TRUST_IP_MAC - /* update ARP table */ - etharp_ip_input(netif, p); -#endif /* ETHARP_TRUST_IP_MAC */ - /* skip Ethernet header */ - if(pbuf_header(p, -ip_hdr_offset)) { - LWIP_ASSERT("Can't move over header in packet", 0); - goto free_and_return; - } else { - /* pass to IP layer */ - ip_input(p, netif); - } - break; - - case PP_HTONS(ETHTYPE_ARP): - if (!(netif->flags & NETIF_FLAG_ETHARP)) { - goto free_and_return; - } - /* pass p to ARP module */ - etharp_arp_input(netif, (struct eth_addr*)(netif->hwaddr), p); - break; -#endif /* LWIP_ARP */ -#if PPPOE_SUPPORT - case PP_HTONS(ETHTYPE_PPPOEDISC): /* PPP Over Ethernet Discovery Stage */ - pppoe_disc_input(netif, p); - break; - - case PP_HTONS(ETHTYPE_PPPOE): /* PPP Over Ethernet Session Stage */ - pppoe_data_input(netif, p); - break; -#endif /* PPPOE_SUPPORT */ - - default: - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - goto free_and_return; - } - - /* This means the pbuf is freed or consumed, - so the caller doesn't have to free it again */ - return ERR_OK; - -free_and_return: - pbuf_free(p); - return ERR_OK; -} -#endif /* LWIP_ARP || LWIP_ETHERNET */ pFad - Phonifier reborn

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