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linux
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_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 */
20static 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 */
27void fib_release_info(struct fib_info *);
28struct fib_info *fib_create_info(struct fib_config *cfg);
29int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
30int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id,
31 u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi,
32 unsigned int);
33void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len,
34 u32 tb_id, const struct nl_info *info, unsigned int nlm_flags);
35struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio);
36int fib_detect_death(struct fib_info *fi, int order,
37 struct fib_info **last_resort, int *last_idx, int dflt);
38
39static inline void fib_result_assign(struct fib_result *res,
40 struct fib_info *fi)
41{
42 /* we used to play games with refcounts, but we now use RCU */
43 res->fi = fi;
44}
45
46struct fib_prop {
47 int error;
48 u8 scope;
49};
50
51extern const struct fib_prop fib_props[RTN_MAX + 1];
52
53#endif /* _FIB_LOOKUP_H */