1 files changed, 27 insertions, 14 deletions

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 855b352b660f..4b5656c71abc 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -49,6 +49,7 @@ struct fib6_config {
 	u16		fc_delete_all_nh : 1,
 			fc_ignore_dev_down:1,
 			__unused : 14;
+	u32		fc_nh_id;
 
 	struct in6_addr	fc_dst;
 	struct in6_addr	fc_src;
@@ -127,6 +128,9 @@ struct fib6_nh {
 #ifdef CONFIG_IPV6_ROUTER_PREF
 	unsigned long		last_probe;
 #endif
+
+	struct rt6_info * __percpu *rt6i_pcpu;
+	struct rt6_exception_bucket __rcu *rt6i_exception_bucket;
 };
 
 struct fib6_info {
@@ -139,7 +143,10 @@ struct fib6_info {
 	 * destination, but not the same gateway. nsiblings is just a cache
 	 * to speed up lookup.
 	 */
-	struct list_head		fib6_siblings;
+	union {
+		struct list_head	fib6_siblings;
+		struct list_head	nh_list;
+	};
 	unsigned int			fib6_nsiblings;
 
 	refcount_t			fib6_ref;
@@ -152,22 +159,19 @@ struct fib6_info {
 	struct rt6key			fib6_src;
 	struct rt6key			fib6_prefsrc;
 
-	struct rt6_info * __percpu	*rt6i_pcpu;
-	struct rt6_exception_bucket __rcu *rt6i_exception_bucket;
-
 	u32				fib6_metric;
 	u8				fib6_protocol;
 	u8				fib6_type;
-	u8				exception_bucket_flushed:1,
-					should_flush:1,
+	u8				should_flush:1,
 					dst_nocount:1,
 					dst_nopolicy:1,
 					dst_host:1,
 					fib6_destroying:1,
-					unused:2;
+					unused:3;
 
-	struct fib6_nh			fib6_nh;
 	struct rcu_head			rcu;
+	struct nexthop			*nh;
+	struct fib6_nh			fib6_nh[0];
 };
 
 struct rt6_info {
@@ -276,7 +280,7 @@ static inline void ip6_rt_put(struct rt6_info *rt)
 	dst_release(&rt->dst);
 }
 
-struct fib6_info *fib6_info_alloc(gfp_t gfp_flags);
+struct fib6_info *fib6_info_alloc(gfp_t gfp_flags, bool with_fib6_nh);
 void fib6_info_destroy_rcu(struct rcu_head *head);
 
 static inline void fib6_info_hold(struct fib6_info *f6i)
@@ -312,6 +316,7 @@ struct fib6_walker {
 	enum fib6_walk_state state;
 	unsigned int skip;
 	unsigned int count;
+	unsigned int skip_in_node;
 	int (*func)(struct fib6_walker *);
 	void *args;
 };
@@ -373,6 +378,7 @@ typedef struct rt6_info *(*pol_lookup_t)(struct net *,
 struct fib6_entry_notifier_info {
 	struct fib_notifier_info info; /* must be first */
 	struct fib6_info *rt;
+	unsigned int nsiblings;
 };
 
 /*
@@ -437,16 +443,22 @@ void rt6_get_prefsrc(const struct rt6_info *rt, struct in6_addr *addr)
 	rcu_read_unlock();
 }
 
-static inline struct net_device *fib6_info_nh_dev(const struct fib6_info *f6i)
-{
-	return f6i->fib6_nh.fib_nh_dev;
-}
-
 int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
 		 struct fib6_config *cfg, gfp_t gfp_flags,
 		 struct netlink_ext_ack *extack);
 void fib6_nh_release(struct fib6_nh *fib6_nh);
 
+int call_fib6_entry_notifiers(struct net *net,
+			      enum fib_event_type event_type,
+			      struct fib6_info *rt,
+			      struct netlink_ext_ack *extack);
+int call_fib6_multipath_entry_notifiers(struct net *net,
+					enum fib_event_type event_type,
+					struct fib6_info *rt,
+					unsigned int nsiblings,
+					struct netlink_ext_ack *extack);
+void fib6_rt_update(struct net *net, struct fib6_info *rt,
+		    struct nl_info *info);
 void inet6_rt_notify(int event, struct fib6_info *rt, struct nl_info *info,
 		     unsigned int flags);
 
@@ -480,6 +492,7 @@ int fib6_tables_dump(struct net *net, struct notifier_block *nb);
 
 void fib6_update_sernum(struct net *net, struct fib6_info *rt);
 void fib6_update_sernum_upto_root(struct net *net, struct fib6_info *rt);
+void fib6_update_sernum_stub(struct net *net, struct fib6_info *f6i);
 
 void fib6_metric_set(struct fib6_info *f6i, int metric, u32 val);
 static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric)