1 #ifndef _FIB_LOOKUP_H 2 #define _FIB_LOOKUP_H 3 4 #include <linux/types.h> 5 #include <linux/list.h> 6 #include <net/ip_fib.h> 7 8 struct fib_alias { 9 struct hlist_node fa_list; 10 struct fib_info *fa_info; 11 u8 fa_tos; 12 u8 fa_type; 13 u8 fa_state; 14 u8 fa_slen; 15 u32 tb_id; 16 struct rcu_head rcu; 17 }; 18 19 #define FA_S_ACCESSED 0x01 20 21 /* Dont write on fa_state unless needed, to keep it shared on all cpus */ 22 static inline void fib_alias_accessed(struct fib_alias *fa) 23 { 24 if (!(fa->fa_state & FA_S_ACCESSED)) 25 fa->fa_state |= FA_S_ACCESSED; 26 } 27 28 /* Exported by fib_semantics.c */ 29 void fib_release_info(struct fib_info *); 30 struct fib_info *fib_create_info(struct fib_config *cfg); 31 int fib_nh_match(struct fib_config *cfg, struct fib_info *fi); 32 int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, 33 u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, 34 unsigned int); 35 void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, 36 u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); 37 38 static inline void fib_result_assign(struct fib_result *res, 39 struct fib_info *fi) 40 { 41 /* we used to play games with refcounts, but we now use RCU */ 42 res->fi = fi; 43 } 44 45 struct fib_prop { 46 int error; 47 u8 scope; 48 }; 49 50 extern const struct fib_prop fib_props[RTN_MAX + 1]; 51 52 #endif /* _FIB_LOOKUP_H */ 53