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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* * Appletalk networking structures * * The following are directly referenced from the University Of Michigan * netatalk for compatibility reasons. */ #ifndef __LINUX_ATALK_H__ #define __LINUX_ATALK_H__ #define ATPORT_FIRST 1 #define ATPORT_RESERVED 128 #define ATPORT_LAST 255 #define ATADDR_ANYNET (__u16)0 #define ATADDR_ANYNODE (__u8)0 #define ATADDR_ANYPORT (__u8)0 #define ATADDR_BCAST (__u8)255 #define DDP_MAXSZ 587 struct at_addr { __u16 s_net; __u8 s_node; }; struct sockaddr_at { short sat_family; __u8 sat_port; struct at_addr sat_addr; char sat_zero[ 8 ]; }; struct netrange { __u8 nr_phase; __u16 nr_firstnet; __u16 nr_lastnet; }; struct atalk_route { struct device *dev; struct at_addr target; struct at_addr gateway; int flags; struct atalk_route *next; }; struct atalk_iface { struct device *dev; struct at_addr address; /* Our address */ int status; /* What are we doing ?? */ #define ATIF_PROBE 1 /* Probing for an address */ #define ATIF_PROBE_FAIL 2 /* Probe collided */ struct netrange nets; /* Associated direct netrange */ struct atalk_iface *next; }; struct atalk_sock { unsigned short dest_net; unsigned short src_net; unsigned char dest_node; unsigned char src_node; unsigned char dest_port; unsigned char src_port; }; #define DDP_MAXHOPS 15 /* 4 bits of hop counter */ #ifdef __KERNEL__ struct ddpehdr { /* FIXME for bigendians */ /*__u16 deh_pad:2,deh_hops:4,deh_len:10;*/ __u16 deh_len:10,deh_hops:4,deh_pad:2; __u16 deh_sum; __u16 deh_dnet; __u16 deh_snet; __u8 deh_dnode; __u8 deh_snode; __u8 deh_dport; __u8 deh_sport; /* And netatalk apps expect to stick the type in themselves */ }; /* * Unused (and currently unsupported) */ struct ddpshdr { /* FIXME for bigendians */ __u16 dsh_len:10, dsh_pad:6; __u8 dsh_dport; __u8 dsh_sport; /* And netatalk apps expect to stick the type in themselves */ }; /* Appletalk AARP headers */ struct elapaarp { __u16 hw_type; #define AARP_HW_TYPE_ETHERNET 1 #define AARP_HW_TYPE_TOKENRING 2 __u16 pa_type; __u8 hw_len; __u8 pa_len; #define AARP_PA_ALEN 4 __u16 function; #define AARP_REQUEST 1 #define AARP_REPLY 2 #define AARP_PROBE 3 __u8 hw_src[ETH_ALEN] __attribute__ ((packed)); __u8 pa_src_zero __attribute__ ((packed)); __u16 pa_src_net __attribute__ ((packed)); __u8 pa_src_node __attribute__ ((packed)); __u8 hw_dst[ETH_ALEN] __attribute__ ((packed)); __u8 pa_dst_zero __attribute__ ((packed)); __u16 pa_dst_net __attribute__ ((packed)); __u8 pa_dst_node __attribute__ ((packed)); }; typedef struct sock atalk_socket; #define AARP_EXPIRY_TIME (5*60*HZ) /* Not specified - how long till we drop a resolved entry */ #define AARP_HASH_SIZE 16 /* Size of hash table */ #define AARP_TICK_TIME (HZ/5) /* Fast retransmission timer when resolving */ #define AARP_RETRANSMIT_LIMIT 10 /* Send 10 requests then give up (2 seconds) */ #define AARP_RESOLVE_TIME (10*HZ) /* Some value bigger than total retransmit time + a bit for last reply to appear and to stop continual requests */ extern struct datalink_proto *ddp_dl, *aarp_dl; extern void aarp_proto_init(void); /* Inter module exports */ extern struct atalk_iface *atalk_find_dev(struct device *dev); extern struct at_addr *atalk_find_dev_addr(struct device *dev); extern int aarp_send_ddp(struct device *dev,struct sk_buff *skb, struct at_addr *sa, void *hwaddr); extern void aarp_send_probe(struct device *dev, struct at_addr *addr); #endif #endif |