1 files changed, 12 insertions, 9 deletions

diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 7f1b38458743..949641e92539 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -89,6 +89,7 @@ struct inet_bind_bucket {
 	bool			fast_ipv6_only;
 	struct hlist_node	node;
 	struct hlist_head	bhash2;
+	struct rcu_head		rcu;
 };
 
 struct inet_bind2_bucket {
@@ -226,8 +227,7 @@ struct inet_bind_bucket *
 inet_bind_bucket_create(struct kmem_cache *cachep, struct net *net,
 			struct inet_bind_hashbucket *head,
 			const unsigned short snum, int l3mdev);
-void inet_bind_bucket_destroy(struct kmem_cache *cachep,
-			      struct inet_bind_bucket *tb);
+void inet_bind_bucket_destroy(struct inet_bind_bucket *tb);
 
 bool inet_bind_bucket_match(const struct inet_bind_bucket *tb,
 			    const struct net *net, unsigned short port,
@@ -304,7 +304,7 @@ int __inet_hash(struct sock *sk, struct sock *osk);
 int inet_hash(struct sock *sk);
 void inet_unhash(struct sock *sk);
 
-struct sock *__inet_lookup_listener(struct net *net,
+struct sock *__inet_lookup_listener(const struct net *net,
 				    struct inet_hashinfo *hashinfo,
 				    struct sk_buff *skb, int doff,
 				    const __be32 saddr, const __be16 sport,
@@ -351,7 +351,7 @@ static inline struct sock *inet_lookup_listener(struct net *net,
 				   ((__force __u64)(__be32)(__saddr)))
 #endif /* __BIG_ENDIAN */
 
-static inline bool inet_match(struct net *net, const struct sock *sk,
+static inline bool inet_match(const struct net *net, const struct sock *sk,
 			      const __addrpair cookie, const __portpair ports,
 			      int dif, int sdif)
 {
@@ -368,7 +368,7 @@ static inline bool inet_match(struct net *net, const struct sock *sk,
 /* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so we need
  * not check it for lookups anymore, thanks Alexey. -DaveM
  */
-struct sock *__inet_lookup_established(struct net *net,
+struct sock *__inet_lookup_established(const struct net *net,
 				       struct inet_hashinfo *hashinfo,
 				       const __be32 saddr, const __be16 sport,
 				       const __be32 daddr, const u16 hnum,
@@ -382,13 +382,13 @@ inet_ehashfn_t inet_ehashfn;
 
 INDIRECT_CALLABLE_DECLARE(inet_ehashfn_t udp_ehashfn);
 
-struct sock *inet_lookup_reuseport(struct net *net, struct sock *sk,
+struct sock *inet_lookup_reuseport(const struct net *net, struct sock *sk,
 				   struct sk_buff *skb, int doff,
 				   __be32 saddr, __be16 sport,
 				   __be32 daddr, unsigned short hnum,
 				   inet_ehashfn_t *ehashfn);
 
-struct sock *inet_lookup_run_sk_lookup(struct net *net,
+struct sock *inet_lookup_run_sk_lookup(const struct net *net,
 				       int protocol,
 				       struct sk_buff *skb, int doff,
 				       __be32 saddr, __be16 sport,
@@ -492,7 +492,7 @@ static inline struct sock *__inet_lookup_skb(struct inet_hashinfo *hashinfo,
 					     const int sdif,
 					     bool *refcounted)
 {
-	struct net *net = dev_net(skb_dst(skb)->dev);
+	struct net *net = dev_net_rcu(skb_dst(skb)->dev);
 	const struct iphdr *iph = ip_hdr(skb);
 	struct sock *sk;
 
@@ -527,9 +527,12 @@ static inline void sk_rcv_saddr_set(struct sock *sk, __be32 addr)
 
 int __inet_hash_connect(struct inet_timewait_death_row *death_row,
 			struct sock *sk, u64 port_offset,
+			u32 hash_port0,
 			int (*check_established)(struct inet_timewait_death_row *,
 						 struct sock *, __u16,
-						 struct inet_timewait_sock **));
+						 struct inet_timewait_sock **,
+						 bool rcu_lookup,
+						 u32 hash));
 
 int inet_hash_connect(struct inet_timewait_death_row *death_row,
 		      struct sock *sk);