| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 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> |
| 8 | |
| 9 | struct fib_alias { |
| 10 | struct hlist_node fa_list; |
| 11 | struct fib_info *fa_info; |
| 12 | u8 fa_tos; |
| 13 | u8 fa_type; |
| 14 | u8 fa_state; |
| 15 | u8 fa_slen; |
| 16 | u32 tb_id; |
| 17 | s16 fa_default; |
| 18 | struct rcu_head rcu; |
| 19 | }; |
| 20 | |
| 21 | #define FA_S_ACCESSED 0x01 |
| 22 | |
| 23 | /* Dont write on fa_state unless needed, to keep it shared on all cpus */ |
| 24 | static inline void fib_alias_accessed(struct fib_alias *fa) |
| 25 | { |
| 26 | if (!(fa->fa_state & FA_S_ACCESSED)) |
| 27 | fa->fa_state |= FA_S_ACCESSED; |
| 28 | } |
| 29 | |
| 30 | /* Exported by fib_semantics.c */ |
| 31 | void fib_release_info(struct fib_info *); |
| 32 | struct fib_info *fib_create_info(struct fib_config *cfg, |
| 33 | struct netlink_ext_ack *extack); |
| 34 | int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, |
| 35 | struct netlink_ext_ack *extack); |
| 36 | bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); |
| 37 | int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, |
| 38 | u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, |
| 39 | unsigned int); |
| 40 | void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, |
| 41 | u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); |
| 42 | |
| 43 | static inline void fib_result_assign(struct fib_result *res, |
| 44 | struct fib_info *fi) |
| 45 | { |
| 46 | /* we used to play games with refcounts, but we now use RCU */ |
| 47 | res->fi = fi; |
| 48 | } |
| 49 | |
| 50 | struct fib_prop { |
| 51 | int error; |
| 52 | u8 scope; |
| 53 | }; |
| 54 | |
| 55 | extern const struct fib_prop fib_props[RTN_MAX + 1]; |
| 56 | |
| 57 | #endif /* _FIB_LOOKUP_H */ |