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[IPV6]: Generalise __tcp_v6_hash, renaming it to __inet6_hash

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Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2005-12-13 23:15:01 -08:00 committed by David S. Miller
parent 971af18bbf
commit 90b19d3169
2 changed files with 30 additions and 30 deletions
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26
include/net/inet6_hashtables.h
View File

@ -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

34
net/ipv6/tcp_ipv6.c
View File

@ -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;