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fib_hash: RCU conversion phase 2
[net-next-2.6.git] / net / ipv4 / fib_lookup.h
CommitLineData
1da177e4
LT
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
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;
a6501e08 15 struct rcu_head rcu;
1da177e4
LT
16};
17
18#define FA_S_ACCESSED 0x01
19
20/* Exported by fib_semantics.c */
21extern int fib_semantic_match(struct list_head *head,
22 const struct flowi *flp,
ebc0ffae 23 struct fib_result *res, int prefixlen, int fib_flags);
1da177e4 24extern void fib_release_info(struct fib_info *);
4e902c57
TG
25extern struct fib_info *fib_create_info(struct fib_config *cfg);
26extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
1da177e4 27extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
81f7bf6c 28 u32 tb_id, u8 type, u8 scope, __be32 dst,
b6544c0b
JHS
29 int dst_len, u8 tos, struct fib_info *fi,
30 unsigned int);
81f7bf6c 31extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
b8f55831
MK
32 int dst_len, u32 tb_id, struct nl_info *info,
33 unsigned int nlm_flags);
1da177e4
LT
34extern struct fib_alias *fib_find_alias(struct list_head *fah,
35 u8 tos, u32 prio);
36extern int fib_detect_death(struct fib_info *fi, int order,
37 struct fib_info **last_resort,
c17860a0 38 int *last_idx, int dflt);
1da177e4 39
a2bbe682
DL
40static inline void fib_result_assign(struct fib_result *res,
41 struct fib_info *fi)
42{
43 if (res->fi != NULL)
44 fib_info_put(res->fi);
45 res->fi = fi;
46 if (fi != NULL)
47 atomic_inc(&fi->fib_clntref);
48}
49
1da177e4 50#endif /* _FIB_LOOKUP_H */