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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
8struct 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_scope;
14 u8 fa_state;
Eric Dumazeta6501e02008-01-18 03:33:26 -080015#ifdef CONFIG_IP_FIB_TRIE
16 struct rcu_head rcu;
17#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070018};
19
20#define FA_S_ACCESSED 0x01
21
22/* Exported by fib_semantics.c */
23extern int fib_semantic_match(struct list_head *head,
24 const struct flowi *flp,
Rami Rosene204a342009-05-18 01:19:12 +000025 struct fib_result *res, int prefixlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -070026extern void fib_release_info(struct fib_info *);
Thomas Graf4e902c52006-08-17 18:14:52 -070027extern struct fib_info *fib_create_info(struct fib_config *cfg);
28extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
Linus Torvalds1da177e2005-04-16 15:20:36 -070029extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
Al Viro81f7bf62006-09-27 18:40:00 -070030 u32 tb_id, u8 type, u8 scope, __be32 dst,
Jamal Hadi Salimb6544c02005-06-18 22:54:12 -070031 int dst_len, u8 tos, struct fib_info *fi,
32 unsigned int);
Al Viro81f7bf62006-09-27 18:40:00 -070033extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
Milan Kocianb8f55832007-05-23 14:55:06 -070034 int dst_len, u32 tb_id, struct nl_info *info,
35 unsigned int nlm_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -070036extern struct fib_alias *fib_find_alias(struct list_head *fah,
37 u8 tos, u32 prio);
38extern int fib_detect_death(struct fib_info *fi, int order,
39 struct fib_info **last_resort,
Denis V. Lunevc17860a2007-12-08 00:22:13 -080040 int *last_idx, int dflt);
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
Denis V. Luneva2bbe682007-12-08 00:31:44 -080042static inline void fib_result_assign(struct fib_result *res,
43 struct fib_info *fi)
44{
45 if (res->fi != NULL)
46 fib_info_put(res->fi);
47 res->fi = fi;
48 if (fi != NULL)
49 atomic_inc(&fi->fib_clntref);
50}
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#endif /* _FIB_LOOKUP_H */