Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _FIB_LOOKUP_H |
3 | #define _FIB_LOOKUP_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <linux/list.h> | |
7 | #include <net/ip_fib.h> | |
5481d73f | 8 | #include <net/nexthop.h> |
1da177e4 LT |
9 | |
10 | struct fib_alias { | |
56315f9e | 11 | struct hlist_node fa_list; |
1da177e4 LT |
12 | struct fib_info *fa_info; |
13 | u8 fa_tos; | |
14 | u8 fa_type; | |
1da177e4 | 15 | u8 fa_state; |
9b6ebad5 | 16 | u8 fa_slen; |
0ddcf43d | 17 | u32 tb_id; |
2392debc | 18 | s16 fa_default; |
a6501e08 | 19 | struct rcu_head rcu; |
1da177e4 LT |
20 | }; |
21 | ||
22 | #define FA_S_ACCESSED 0x01 | |
23 | ||
9b0c290e ED |
24 | /* Dont write on fa_state unless needed, to keep it shared on all cpus */ |
25 | static inline void fib_alias_accessed(struct fib_alias *fa) | |
26 | { | |
27 | if (!(fa->fa_state & FA_S_ACCESSED)) | |
28 | fa->fa_state |= FA_S_ACCESSED; | |
29 | } | |
30 | ||
1da177e4 | 31 | /* Exported by fib_semantics.c */ |
7e58487b | 32 | void fib_release_info(struct fib_info *); |
6d8422a1 DA |
33 | struct fib_info *fib_create_info(struct fib_config *cfg, |
34 | struct netlink_ext_ack *extack); | |
9ae28727 DA |
35 | int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, |
36 | struct netlink_ext_ack *extack); | |
5f9ae3d9 | 37 | bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); |
7e58487b JP |
38 | int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, |
39 | u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, | |
40 | unsigned int); | |
41 | void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, | |
42 | u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); | |
1da177e4 | 43 | |
a2bbe682 DL |
44 | static inline void fib_result_assign(struct fib_result *res, |
45 | struct fib_info *fi) | |
46 | { | |
1f1b9c99 | 47 | /* we used to play games with refcounts, but we now use RCU */ |
a2bbe682 | 48 | res->fi = fi; |
eba618ab | 49 | res->nhc = fib_info_nhc(fi, 0); |
a2bbe682 DL |
50 | } |
51 | ||
3be0686b DM |
52 | struct fib_prop { |
53 | int error; | |
54 | u8 scope; | |
55 | }; | |
56 | ||
57 | extern const struct fib_prop fib_props[RTN_MAX + 1]; | |
58 | ||
1da177e4 | 59 | #endif /* _FIB_LOOKUP_H */ |