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Diffstat (limited to 'include/net/inet_hashtables.h')
-rw-r--r--include/net/inet_hashtables.h51
1 files changed, 9 insertions, 42 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index c23c4ed30724..48ac620cb846 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -221,9 +221,9 @@ static inline int inet_sk_listen_hashfn(const struct sock *sk)
221} 221}
222 222
223/* Caller must disable local BH processing. */ 223/* Caller must disable local BH processing. */
224static inline void __inet_inherit_port(struct inet_hashinfo *table, 224static inline void __inet_inherit_port(struct sock *sk, struct sock *child)
225 struct sock *sk, struct sock *child)
226{ 225{
226 struct inet_hashinfo *table = sk->sk_prot->hashinfo;
227 const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size); 227 const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size);
228 struct inet_bind_hashbucket *head = &table->bhash[bhash]; 228 struct inet_bind_hashbucket *head = &table->bhash[bhash];
229 struct inet_bind_bucket *tb; 229 struct inet_bind_bucket *tb;
@@ -235,15 +235,14 @@ static inline void __inet_inherit_port(struct inet_hashinfo *table,
235 spin_unlock(&head->lock); 235 spin_unlock(&head->lock);
236} 236}
237 237
238static inline void inet_inherit_port(struct inet_hashinfo *table, 238static inline void inet_inherit_port(struct sock *sk, struct sock *child)
239 struct sock *sk, struct sock *child)
240{ 239{
241 local_bh_disable(); 240 local_bh_disable();
242 __inet_inherit_port(table, sk, child); 241 __inet_inherit_port(sk, child);
243 local_bh_enable(); 242 local_bh_enable();
244} 243}
245 244
246extern void inet_put_port(struct inet_hashinfo *table, struct sock *sk); 245extern void inet_put_port(struct sock *sk);
247 246
248extern void inet_listen_wlock(struct inet_hashinfo *hashinfo); 247extern void inet_listen_wlock(struct inet_hashinfo *hashinfo);
249 248
@@ -266,41 +265,9 @@ static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo)
266 wake_up(&hashinfo->lhash_wait); 265 wake_up(&hashinfo->lhash_wait);
267} 266}
268 267
269extern void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk); 268extern void __inet_hash_nolisten(struct sock *sk);
270extern void __inet_hash_nolisten(struct inet_hashinfo *hinfo, struct sock *sk); 269extern void inet_hash(struct sock *sk);
271 270extern void inet_unhash(struct sock *sk);
272static inline void inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk)
273{
274 if (sk->sk_state != TCP_CLOSE) {
275 local_bh_disable();
276 __inet_hash(hashinfo, sk);
277 local_bh_enable();
278 }
279}
280
281static inline void inet_unhash(struct inet_hashinfo *hashinfo, struct sock *sk)
282{
283 rwlock_t *lock;
284
285 if (sk_unhashed(sk))
286 goto out;
287
288 if (sk->sk_state == TCP_LISTEN) {
289 local_bh_disable();
290 inet_listen_wlock(hashinfo);
291 lock = &hashinfo->lhash_lock;
292 } else {
293 lock = inet_ehash_lockp(hashinfo, sk->sk_hash);
294 write_lock_bh(lock);
295 }
296
297 if (__sk_del_node_init(sk))
298 sock_prot_inuse_add(sk->sk_prot, -1);
299 write_unlock_bh(lock);
300out:
301 if (sk->sk_state == TCP_LISTEN)
302 wake_up(&hashinfo->lhash_wait);
303}
304 271
305extern struct sock *__inet_lookup_listener(struct net *net, 272extern struct sock *__inet_lookup_listener(struct net *net,
306 struct inet_hashinfo *hashinfo, 273 struct inet_hashinfo *hashinfo,
@@ -425,7 +392,7 @@ extern int __inet_hash_connect(struct inet_timewait_death_row *death_row,
425 struct sock *sk, 392 struct sock *sk,
426 int (*check_established)(struct inet_timewait_death_row *, 393 int (*check_established)(struct inet_timewait_death_row *,
427 struct sock *, __u16, struct inet_timewait_sock **), 394 struct sock *, __u16, struct inet_timewait_sock **),
428 void (*hash)(struct inet_hashinfo *, struct sock *)); 395 void (*hash)(struct sock *sk));
429extern int inet_hash_connect(struct inet_timewait_death_row *death_row, 396extern int inet_hash_connect(struct inet_timewait_death_row *death_row,
430 struct sock *sk); 397 struct sock *sk);
431#endif /* _INET_HASHTABLES_H */ 398#endif /* _INET_HASHTABLES_H */