1 files changed, 31 insertions, 24 deletions

diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index b729d97cfa9..1e4f6600b31 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -10,35 +10,42 @@ struct fib_alias {
 	struct fib_info		*fa_info;
 	u8			fa_tos;
 	u8			fa_type;
-	u8			fa_scope;
 	u8			fa_state;
+	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 */
-extern int fib_semantic_match(struct list_head *head,
-			      const struct flowi *flp,
-			      struct fib_result *res, __u32 zone, __u32 mask,
-				int prefixlen);
-extern void fib_release_info(struct fib_info *);
-extern struct fib_info *fib_create_info(const struct rtmsg *r,
-					struct kern_rta *rta,
-					const struct nlmsghdr *,
-					int *err);
-extern int fib_nh_match(struct rtmsg *r, struct nlmsghdr *,
-			struct kern_rta *rta, struct fib_info *fi);
-extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-			 u8 tb_id, u8 type, u8 scope, void *dst,
-			 int dst_len, u8 tos, struct fib_info *fi,
-			 unsigned int);
-extern void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
-		      int z, int tb_id,
-		      struct nlmsghdr *n, struct netlink_skb_parms *req);
-extern struct fib_alias *fib_find_alias(struct list_head *fah,
-					u8 tos, u32 prio);
-extern int fib_detect_death(struct fib_info *fi, int order,
-			    struct fib_info **last_resort,
-			    int *last_idx, int *dflt);
+void fib_release_info(struct fib_info *);
+struct fib_info *fib_create_info(struct fib_config *cfg);
+int fib_nh_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);
+struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio);
+
+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 */