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-rw-r--r--include/net/inet_hashtables.h33
1 files changed, 2 insertions, 31 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 98e0bb3014fe..bd513f3b9c7e 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -271,39 +271,10 @@ static inline int inet_iif(const struct sk_buff *skb)
271 return ((struct rtable *)skb->dst)->rt_iif; 271 return ((struct rtable *)skb->dst)->rt_iif;
272} 272}
273 273
274extern struct sock *__inet_lookup_listener(const struct hlist_head *head, 274extern struct sock *
275 const u32 daddr,
276 const unsigned short hnum,
277 const int dif);
278
279/* Optimize the common listener case. */
280static inline struct sock *
281 inet_lookup_listener(struct inet_hashinfo *hashinfo, 275 inet_lookup_listener(struct inet_hashinfo *hashinfo,
282 const u32 daddr, 276 const u32 daddr,
283 const unsigned short hnum, const int dif) 277 const unsigned short hnum, const int dif);
284{
285 struct sock *sk = NULL;
286 const struct hlist_head *head;
287
288 read_lock(&hashinfo->lhash_lock);
289 head = &hashinfo->listening_hash[inet_lhashfn(hnum)];
290 if (!hlist_empty(head)) {
291 const struct inet_sock *inet = inet_sk((sk = __sk_head(head)));
292
293 if (inet->num == hnum && !sk->sk_node.next &&
294 (!inet->rcv_saddr || inet->rcv_saddr == daddr) &&
295 (sk->sk_family == PF_INET || !ipv6_only_sock(sk)) &&
296 !sk->sk_bound_dev_if)
297 goto sherry_cache;
298 sk = __inet_lookup_listener(head, daddr, hnum, dif);
299 }
300 if (sk) {
301sherry_cache:
302 sock_hold(sk);
303 }
304 read_unlock(&hashinfo->lhash_lock);
305 return sk;
306}
307 278
308/* Socket demux engine toys. */ 279/* Socket demux engine toys. */
309#ifdef __BIG_ENDIAN 280#ifdef __BIG_ENDIAN