Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=535174efbe0f0454f0595c31b823498c197eeb4f
Commit:     535174efbe0f0454f0595c31b823498c197eeb4f
Parent:     22e0e62cd09dcf56fe1a7be66698b6e130e4314c
Author:     Pavel Emelyanov <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 31 05:03:27 2008 -0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Thu Jan 31 19:28:17 2008 -0800

    [IPV6]: Introduce the INET6_TW_MATCH macro.
    
    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 <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 include/linux/ipv6.h        |    8 ++++++++
 net/ipv6/inet6_hashtables.c |   21 +++------------------
 2 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 5d35a4c..c347860 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -465,6 +465,14 @@ static inline struct raw6_sock *raw6_sk(const struct sock 
*sk)
         ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
         (!((__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 /* _IPV6_H */
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index a66a7d8..06b01be 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -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. */
        sk_for_each(sk, node, &head->twchain) {
-               const struct inet_timewait_sock *tw = inet_twsk(sk);
-
-               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;
-               }
+               if (INET6_TW_MATCH(sk, hash, saddr, daddr, ports, dif))
+                       goto hit;
        }
        read_unlock(lock);
        return NULL;
@@ -185,15 +176,9 @@ static int __inet6_check_established(struct 
inet_timewait_death_row *death_row,
 
        /* Check TIME-WAIT sockets first. */
        sk_for_each(sk2, node, &head->twchain) {
-               const struct inet6_timewait_sock *tw6 = inet6_twsk(sk2);
-
                tw = inet_twsk(sk2);
 
-               if(*((__portpair *)&(tw->tw_dport)) == ports             &&
-                  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 (INET6_TW_MATCH(sk2, hash, saddr, daddr, ports, dif)) {
                        if (twsk_unique(sk, sk2, twp))
                                goto unique;
                        else
-
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