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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; |
90b93f1b IS |
19 | u8 offload:1, |
20 | trap:1, | |
36c5100e AC |
21 | offload_failed:1, |
22 | unused:5; | |
a6501e08 | 23 | struct rcu_head rcu; |
1da177e4 LT |
24 | }; |
25 | ||
26 | #define FA_S_ACCESSED 0x01 | |
27 | ||
974d8f86 | 28 | /* Don't write on fa_state unless needed, to keep it shared on all cpus */ |
9b0c290e ED |
29 | static inline void fib_alias_accessed(struct fib_alias *fa) |
30 | { | |
31 | if (!(fa->fa_state & FA_S_ACCESSED)) | |
32 | fa->fa_state |= FA_S_ACCESSED; | |
33 | } | |
34 | ||
1da177e4 | 35 | /* Exported by fib_semantics.c */ |
7e58487b | 36 | void fib_release_info(struct fib_info *); |
6d8422a1 DA |
37 | struct fib_info *fib_create_info(struct fib_config *cfg, |
38 | struct netlink_ext_ack *extack); | |
faee6769 | 39 | int fib_nh_match(struct net *net, struct fib_config *cfg, struct fib_info *fi, |
9ae28727 | 40 | struct netlink_ext_ack *extack); |
5f9ae3d9 | 41 | bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); |
1e301fd0 | 42 | int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, |
08554789 | 43 | const struct fib_rt_info *fri, unsigned int flags); |
7e58487b JP |
44 | void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, |
45 | u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); | |
1e7bdec6 | 46 | size_t fib_nlmsg_size(struct fib_info *fi); |
1da177e4 | 47 | |
a2bbe682 DL |
48 | static inline void fib_result_assign(struct fib_result *res, |
49 | struct fib_info *fi) | |
50 | { | |
1f1b9c99 | 51 | /* we used to play games with refcounts, but we now use RCU */ |
a2bbe682 | 52 | res->fi = fi; |
eba618ab | 53 | res->nhc = fib_info_nhc(fi, 0); |
a2bbe682 DL |
54 | } |
55 | ||
3be0686b DM |
56 | struct fib_prop { |
57 | int error; | |
58 | u8 scope; | |
59 | }; | |
60 | ||
61 | extern const struct fib_prop fib_props[RTN_MAX + 1]; | |
62 | ||
1da177e4 | 63 | #endif /* _FIB_LOOKUP_H */ |