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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 | #ifndef __LINUX_MROUTE_H #define __LINUX_MROUTE_H #include <linux/in.h> #include <linux/pim.h> #include <net/sock.h> #include <uapi/linux/mroute.h> #ifdef CONFIG_IP_MROUTE static inline int ip_mroute_opt(int opt) { return opt >= MRT_BASE && opt <= MRT_MAX; } int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); int ip_mr_init(void); #else static inline int ip_mroute_setsockopt(struct sock *sock, int optname, char __user *optval, unsigned int optlen) { return -ENOPROTOOPT; } static inline int ip_mroute_getsockopt(struct sock *sock, int optname, char __user *optval, int __user *optlen) { return -ENOPROTOOPT; } static inline int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) { return -ENOIOCTLCMD; } static inline int ip_mr_init(void) { return 0; } static inline int ip_mroute_opt(int opt) { return 0; } #endif struct vif_device { struct net_device *dev; /* Device we are using */ unsigned long bytes_in,bytes_out; unsigned long pkt_in,pkt_out; /* Statistics */ unsigned long rate_limit; /* Traffic shaping (NI) */ unsigned char threshold; /* TTL threshold */ unsigned short flags; /* Control flags */ __be32 local,remote; /* Addresses(remote for tunnels)*/ int link; /* Physical interface index */ }; #define VIFF_STATIC 0x8000 #define VIF_EXISTS(_mrt, _idx) ((_mrt)->vif_table[_idx].dev != NULL) #define MFC_LINES 64 struct mr_table { struct list_head list; possible_net_t net; u32 id; struct sock __rcu *mroute_sk; struct timer_list ipmr_expire_timer; struct list_head mfc_unres_queue; struct list_head mfc_cache_array[MFC_LINES]; struct vif_device vif_table[MAXVIFS]; int maxvif; atomic_t cache_resolve_queue_len; bool mroute_do_assert; bool mroute_do_pim; int mroute_reg_vif_num; }; /* mfc_flags: * MFC_STATIC - the entry was added statically (not by a routing daemon) */ enum { MFC_STATIC = BIT(0), }; struct mfc_cache { struct list_head list; __be32 mfc_mcastgrp; /* Group the entry belongs to */ __be32 mfc_origin; /* Source of packet */ vifi_t mfc_parent; /* Source interface */ int mfc_flags; /* Flags on line */ union { struct { unsigned long expires; struct sk_buff_head unresolved; /* Unresolved buffers */ } unres; struct { unsigned long last_assert; int minvif; int maxvif; unsigned long bytes; unsigned long pkt; unsigned long wrong_if; unsigned long lastuse; unsigned char ttls[MAXVIFS]; /* TTL thresholds */ } res; } mfc_un; struct rcu_head rcu; }; #ifdef __BIG_ENDIAN #define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1)) #else #define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1)) #endif struct rtmsg; int ipmr_get_route(struct net *net, struct sk_buff *skb, __be32 saddr, __be32 daddr, struct rtmsg *rtm, int nowait, u32 portid); #endif |