xref: /openbmc/linux/net/ipv4/fib_lookup.h (revision 87c2ce3b)
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 
8 struct fib_alias {
9 	struct list_head	fa_list;
10 	struct rcu_head rcu;
11 	struct fib_info		*fa_info;
12 	u8			fa_tos;
13 	u8			fa_type;
14 	u8			fa_scope;
15 	u8			fa_state;
16 };
17 
18 #define FA_S_ACCESSED	0x01
19 
20 /* Exported by fib_semantics.c */
21 extern int fib_semantic_match(struct list_head *head,
22 			      const struct flowi *flp,
23 			      struct fib_result *res, __u32 zone, __u32 mask,
24 				int prefixlen);
25 extern void fib_release_info(struct fib_info *);
26 extern struct fib_info *fib_create_info(const struct rtmsg *r,
27 					struct kern_rta *rta,
28 					const struct nlmsghdr *,
29 					int *err);
30 extern int fib_nh_match(struct rtmsg *r, struct nlmsghdr *,
31 			struct kern_rta *rta, struct fib_info *fi);
32 extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
33 			 u8 tb_id, u8 type, u8 scope, void *dst,
34 			 int dst_len, u8 tos, struct fib_info *fi,
35 			 unsigned int);
36 extern void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
37 		      int z, int tb_id,
38 		      struct nlmsghdr *n, struct netlink_skb_parms *req);
39 extern struct fib_alias *fib_find_alias(struct list_head *fah,
40 					u8 tos, u32 prio);
41 extern int fib_detect_death(struct fib_info *fi, int order,
42 			    struct fib_info **last_resort,
43 			    int *last_idx, int *dflt);
44 
45 #endif /* _FIB_LOOKUP_H */
46