| /* SPDX-License-Identifier: GPL-2.0 */ | 
 | #ifndef _FIB_LOOKUP_H | 
 | #define _FIB_LOOKUP_H | 
 |  | 
 | #include <linux/types.h> | 
 | #include <linux/list.h> | 
 | #include <net/ip_fib.h> | 
 |  | 
 | struct fib_alias { | 
 | 	struct hlist_node	fa_list; | 
 | 	struct fib_info		*fa_info; | 
 | 	u8			fa_tos; | 
 | 	u8			fa_type; | 
 | 	u8			fa_state; | 
 | 	u8			fa_slen; | 
 | 	u32			tb_id; | 
 | 	s16			fa_default; | 
 | 	struct rcu_head		rcu; | 
 | }; | 
 |  | 
 | #define FA_S_ACCESSED	0x01 | 
 |  | 
 | /* Dont write on fa_state unless needed, to keep it shared on all cpus */ | 
 | static inline void fib_alias_accessed(struct fib_alias *fa) | 
 | { | 
 | 	if (!(fa->fa_state & FA_S_ACCESSED)) | 
 | 		fa->fa_state |= FA_S_ACCESSED; | 
 | } | 
 |  | 
 | /* Exported by fib_semantics.c */ | 
 | void fib_release_info(struct fib_info *); | 
 | struct fib_info *fib_create_info(struct fib_config *cfg, | 
 | 				 struct netlink_ext_ack *extack); | 
 | int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, | 
 | 		 struct netlink_ext_ack *extack); | 
 | bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); | 
 | int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, | 
 | 		  u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, | 
 | 		  unsigned int); | 
 | void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, | 
 | 	       u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); | 
 |  | 
 | static inline void fib_result_assign(struct fib_result *res, | 
 | 				     struct fib_info *fi) | 
 | { | 
 | 	/* we used to play games with refcounts, but we now use RCU */ | 
 | 	res->fi = fi; | 
 | } | 
 |  | 
 | struct fib_prop { | 
 | 	int	error; | 
 | 	u8	scope; | 
 | }; | 
 |  | 
 | extern const struct fib_prop fib_props[RTN_MAX + 1]; | 
 |  | 
 | #endif /* _FIB_LOOKUP_H */ |