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 list_head fa_list; 10 struct fib_info *fa_info; 11 u8 fa_tos; 12 u8 fa_type; 13 u8 fa_state; 14 struct rcu_head rcu; 15 }; 16 17 #define FA_S_ACCESSED 0x01 18 19 /* Dont write on fa_state unless needed, to keep it shared on all cpus */ 20 static inline void fib_alias_accessed(struct fib_alias *fa) 21 { 22 if (!(fa->fa_state & FA_S_ACCESSED)) 23 fa->fa_state |= FA_S_ACCESSED; 24 } 25 26 /* Exported by fib_semantics.c */ 27 extern void fib_release_info(struct fib_info *); 28 extern struct fib_info *fib_create_info(struct fib_config *cfg); 29 extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi); 30 extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, 31 u32 tb_id, u8 type, __be32 dst, 32 int dst_len, u8 tos, struct fib_info *fi, 33 unsigned int); 34 extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, 35 int dst_len, u32 tb_id, struct nl_info *info, 36 unsigned int nlm_flags); 37 extern struct fib_alias *fib_find_alias(struct list_head *fah, 38 u8 tos, u32 prio); 39 extern int fib_detect_death(struct fib_info *fi, int order, 40 struct fib_info **last_resort, 41 int *last_idx, int dflt); 42 43 static inline void fib_result_assign(struct fib_result *res, 44 struct fib_info *fi) 45 { 46 /* we used to play games with refcounts, but we now use RCU */ 47 res->fi = fi; 48 } 49 50 struct fib_prop { 51 int error; 52 u8 scope; 53 }; 54 55 extern const struct fib_prop fib_props[RTN_MAX + 1]; 56 57 #endif /* _FIB_LOOKUP_H */ 58