[IPV6]: Generalise __tcp_v6_hash, renaming it to __inet6_hash

[karo-tx-linux.git] / include / net / inet6_hashtables.h

diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 5a2beed5a7701e0c69d7793a6eb3b60667abd84e..a4a204f99ea66421c7d21f82d83ef5f963f03235 100644 (file)
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -48,6 +48,32 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
        return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
+static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
+                               struct sock *sk)
+{
+       struct hlist_head *list;
+       rwlock_t *lock;
+
+       BUG_TRAP(sk_unhashed(sk));
+
+       if (sk->sk_state == TCP_LISTEN) {
+               list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
+               lock = &hashinfo->lhash_lock;
+               inet_listen_wlock(hashinfo);
+       } else {
+               unsigned int hash;
+               sk->sk_hash = hash = inet6_sk_ehashfn(sk);
+               hash &= (hashinfo->ehash_size - 1);
+               list = &hashinfo->ehash[hash].chain;
+               lock = &hashinfo->ehash[hash].lock;
+               write_lock(lock);
+       }
+
+       __sk_add_node(sk, list);
+       sock_prot_inc_use(sk->sk_prot);
+       write_unlock(lock);
+}
+
 /*
  * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
  * we need not check it for TCP lookups anymore, thanks Alexey. -DaveM