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