diff options
Diffstat (limited to 'include/net/inet_hashtables.h')
-rw-r--r-- | include/net/inet_hashtables.h | 71 |
1 files changed, 7 insertions, 64 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 37f6cb112127..761bdc01425d 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -264,37 +264,14 @@ static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo) wake_up(&hashinfo->lhash_wait); } -static inline void __inet_hash(struct inet_hashinfo *hashinfo, - struct sock *sk, const int listen_possible) -{ - struct hlist_head *list; - rwlock_t *lock; - - BUG_TRAP(sk_unhashed(sk)); - if (listen_possible && sk->sk_state == TCP_LISTEN) { - list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)]; - lock = &hashinfo->lhash_lock; - inet_listen_wlock(hashinfo); - } else { - struct inet_ehash_bucket *head; - sk->sk_hash = inet_sk_ehashfn(sk); - head = inet_ehash_bucket(hashinfo, sk->sk_hash); - list = &head->chain; - lock = inet_ehash_lockp(hashinfo, sk->sk_hash); - write_lock(lock); - } - __sk_add_node(sk, list); - sock_prot_inc_use(sk->sk_prot); - write_unlock(lock); - if (listen_possible && sk->sk_state == TCP_LISTEN) - wake_up(&hashinfo->lhash_wait); -} +extern void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk); +extern void __inet_hash_nolisten(struct inet_hashinfo *hinfo, struct sock *sk); static inline void inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { local_bh_disable(); - __inet_hash(hashinfo, sk, 1); + __inet_hash(hashinfo, sk); local_bh_enable(); } } @@ -316,7 +293,7 @@ static inline void inet_unhash(struct inet_hashinfo *hashinfo, struct sock *sk) } if (__sk_del_node_init(sk)) - sock_prot_dec_use(sk->sk_prot); + sock_prot_inuse_add(sk->sk_prot, -1); write_unlock_bh(lock); out: if (sk->sk_state == TCP_LISTEN) @@ -397,43 +374,9 @@ typedef __u64 __bitwise __addrpair; * * Local BH must be disabled here. */ -static inline struct sock * - __inet_lookup_established(struct inet_hashinfo *hashinfo, - const __be32 saddr, const __be16 sport, - const __be32 daddr, const u16 hnum, - const int dif) -{ - INET_ADDR_COOKIE(acookie, saddr, daddr) - const __portpair ports = INET_COMBINED_PORTS(sport, hnum); - struct sock *sk; - const struct hlist_node *node; - /* Optimize here for direct hit, only listening connections can - * have wildcards anyways. - */ - unsigned int hash = inet_ehashfn(daddr, hnum, saddr, sport); - struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash); - rwlock_t *lock = inet_ehash_lockp(hashinfo, hash); - - prefetch(head->chain.first); - read_lock(lock); - sk_for_each(sk, node, &head->chain) { - if (INET_MATCH(sk, hash, acookie, saddr, daddr, ports, dif)) - goto hit; /* You sunk my battleship! */ - } - - /* Must check for a TIME_WAIT'er before going to listener hash. */ - sk_for_each(sk, node, &head->twchain) { - if (INET_TW_MATCH(sk, hash, acookie, saddr, daddr, ports, dif)) - goto hit; - } - sk = NULL; -out: - read_unlock(lock); - return sk; -hit: - sock_hold(sk); - goto out; -} +extern struct sock * __inet_lookup_established(struct inet_hashinfo *hashinfo, + const __be32 saddr, const __be16 sport, + const __be32 daddr, const u16 hnum, const int dif); static inline struct sock * inet_lookup_established(struct inet_hashinfo *hashinfo, |