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[IPV6]: Introduce the INET6_TW_MATCH macro.

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We have INET_MATCH, INET_TW_MATCH and INET6_MATCH to test sockets and
twbuckets for matching, but ipv6 twbuckets are tested manually.

Here's the INET6_TW_MATCH to help with it.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2008-01-31 05:03:27 -08:00
committed by David S. Miller
parent 22e0e62cd0
commit 535174efbe
2 changed files with 11 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/ipv6.h
View File

@@ -465,6 +465,14 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \ ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
(!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
#define INET6_TW_MATCH(__sk, __hash, __saddr, __daddr, __ports, __dif) \
(((__sk)->sk_hash == (__hash)) && \
(*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports)) && \
((__sk)->sk_family == PF_INET6) && \
(ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr))) && \
(ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr))) && \
(!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
#endif /* _IPV6_H */ #endif /* _IPV6_H */

21
net/ipv6/inet6_hashtables.c
View File

@@ -80,17 +80,8 @@ struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
} }
/* Must check for a TIME_WAIT'er before going to listener hash. */ /* Must check for a TIME_WAIT'er before going to listener hash. */
sk_for_each(sk, node, &head->twchain) { sk_for_each(sk, node, &head->twchain) {
const struct inet_timewait_sock *tw = inet_twsk(sk); if (INET6_TW_MATCH(sk, hash, saddr, daddr, ports, dif))
goto hit;
if(*((__portpair *)&(tw->tw_dport)) == ports &&
sk->sk_family == PF_INET6) {
const struct inet6_timewait_sock *tw6 = inet6_twsk(sk);
if (ipv6_addr_equal(&tw6->tw_v6_daddr, saddr) &&
ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr) &&
(!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
goto hit;
}
} }
read_unlock(lock); read_unlock(lock);
return NULL; return NULL;
@@ -185,15 +176,9 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
/* Check TIME-WAIT sockets first. */ /* Check TIME-WAIT sockets first. */
sk_for_each(sk2, node, &head->twchain) { sk_for_each(sk2, node, &head->twchain) {
const struct inet6_timewait_sock *tw6 = inet6_twsk(sk2);
tw = inet_twsk(sk2); tw = inet_twsk(sk2);
if(*((__portpair *)&(tw->tw_dport)) == ports && if (INET6_TW_MATCH(sk2, hash, saddr, daddr, ports, dif)) {
sk2->sk_family == PF_INET6 &&
ipv6_addr_equal(&tw6->tw_v6_daddr, saddr) &&
ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr) &&
(!sk2->sk_bound_dev_if || sk2->sk_bound_dev_if == dif)) {
if (twsk_unique(sk, sk2, twp)) if (twsk_unique(sk, sk2, twp))
goto unique; goto unique;
else else