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 s16 fa_default; 17 struct rcu_head rcu; 18 }; 19 20 #define FA_S_ACCESSED 0x01 21 22 /* Dont write on fa_state unless needed, to keep it shared on all cpus */ 23 static inline void fib_alias_accessed(struct fib_alias *fa) 24 { 25 if (!(fa->fa_state & FA_S_ACCESSED)) 26 fa->fa_state |= FA_S_ACCESSED; 27 } 28 29 /* Exported by fib_semantics.c */ 30 void fib_release_info(struct fib_info *); 31 struct fib_info *fib_create_info(struct fib_config *cfg, 32 struct netlink_ext_ack *extack); 33 int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, 34 struct netlink_ext_ack *extack); 35 bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); 36 int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, 37 u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, 38 unsigned int); 39 void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, 40 u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); 41 42 static inline void fib_result_assign(struct fib_result *res, 43 struct fib_info *fi) 44 { 45 /* we used to play games with refcounts, but we now use RCU */ 46 res->fi = fi; 47 } 48 49 struct fib_prop { 50 int error; 51 u8 scope; 52 }; 53 54 extern const struct fib_prop fib_props[RTN_MAX + 1]; 55 56 #endif /* _FIB_LOOKUP_H */ 57