Driver core: Fix cleanup when failing device_add().
[wrt350n-kernel.git] / net / ipv4 / fib_lookup.h
blob2c1623d2768bfd2a1e5acd952d8ec610337f1294
1 #ifndef _FIB_LOOKUP_H
2 #define _FIB_LOOKUP_H
4 #include <linux/types.h>
5 #include <linux/list.h>
6 #include <net/ip_fib.h>
8 struct 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;
15 #ifdef CONFIG_IP_FIB_TRIE
16 struct rcu_head rcu;
17 #endif
20 #define FA_S_ACCESSED 0x01
22 /* Exported by fib_semantics.c */
23 extern int fib_semantic_match(struct list_head *head,
24 const struct flowi *flp,
25 struct fib_result *res, __be32 zone, __be32 mask,
26 int prefixlen);
27 extern void fib_release_info(struct fib_info *);
28 extern struct fib_info *fib_create_info(struct fib_config *cfg);
29 extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
30 extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
31 u32 tb_id, u8 type, u8 scope, __be32 dst,
32 int dst_len, u8 tos, struct fib_info *fi,
33 unsigned int);
34 extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
35 int dst_len, u32 tb_id, struct nl_info *info,
36 unsigned int nlm_flags);
37 extern struct fib_alias *fib_find_alias(struct list_head *fah,
38 u8 tos, u32 prio);
39 extern int fib_detect_death(struct fib_info *fi, int order,
40 struct fib_info **last_resort,
41 int *last_idx, int dflt);
43 static inline void fib_result_assign(struct fib_result *res,
44 struct fib_info *fi)
46 if (res->fi != NULL)
47 fib_info_put(res->fi);
48 res->fi = fi;
49 if (fi != NULL)
50 atomic_inc(&fi->fib_clntref);
53 #endif /* _FIB_LOOKUP_H */