From 90b19d31695371bd3ed256d4c9e280861cd6ae7e Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 13 Dec 2005 23:15:01 -0800 Subject: [PATCH] [IPV6]: Generalise __tcp_v6_hash, renaming it to __inet6_hash Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- include/net/inet6_hashtables.h | 26 ++++++++++++++++++++++++++ net/ipv6/tcp_ipv6.c | 34 ++++------------------------------ 2 files changed, 30 insertions(+), 30 deletions(-) diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index 5a2beed5a770..a4a204f99ea6 100644 --- 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 diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 76c8f5a2f7f3..bf41f84d6692 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -103,32 +103,6 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) inet6_csk_bind_conflict); } -static __inline__ void __tcp_v6_hash(struct sock *sk) -{ - struct hlist_head *list; - rwlock_t *lock; - - BUG_TRAP(sk_unhashed(sk)); - - if (sk->sk_state == TCP_LISTEN) { - list = &tcp_hashinfo.listening_hash[inet_sk_listen_hashfn(sk)]; - lock = &tcp_hashinfo.lhash_lock; - inet_listen_wlock(&tcp_hashinfo); - } else { - unsigned int hash; - sk->sk_hash = hash = inet6_sk_ehashfn(sk); - hash &= (tcp_hashinfo.ehash_size - 1); - list = &tcp_hashinfo.ehash[hash].chain; - lock = &tcp_hashinfo.ehash[hash].lock; - write_lock(lock); - } - - __sk_add_node(sk, list); - sock_prot_inc_use(sk->sk_prot); - write_unlock(lock); -} - - static void tcp_v6_hash(struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { @@ -139,7 +113,7 @@ static void tcp_v6_hash(struct sock *sk) return; } local_bh_disable(); - __tcp_v6_hash(sk); + __inet6_hash(&tcp_hashinfo, sk); local_bh_enable(); } } @@ -374,7 +348,7 @@ ok: inet_bind_hash(sk, tb, port); if (sk_unhashed(sk)) { inet_sk(sk)->sport = htons(port); - __tcp_v6_hash(sk); + __inet6_hash(&tcp_hashinfo, sk); } spin_unlock(&head->lock); @@ -392,7 +366,7 @@ ok: spin_lock_bh(&head->lock); if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) { - __tcp_v6_hash(sk); + __inet6_hash(&tcp_hashinfo, sk); spin_unlock_bh(&head->lock); return 0; } else { @@ -1295,7 +1269,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, newinet->daddr = newinet->saddr = newinet->rcv_saddr = LOOPBACK4_IPV6; - __tcp_v6_hash(newsk); + __inet6_hash(&tcp_hashinfo, newsk); inet_inherit_port(&tcp_hashinfo, sk, newsk); return newsk; -- 2.20.1