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netfilter: tproxy: prepare TCP_NEW_SYN_RECV support 

TCP request socks soon will be visible in ehash table.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-03-16 21:06:16 -07:00 committed by David S. Miller
parent a8399231f0
commit 8b58014779
1 changed files with 12 additions and 6 deletions
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18
net/netfilter/xt_TPROXY.c
View File

@ -42,15 +42,21 @@ enum nf_tproxy_lookup_t {
static bool tproxy_sk_is_transparent(struct sock *sk)
{
if (sk->sk_state != TCP_TIME_WAIT) {
if (inet_sk(sk)->transparent)
return true;
sock_put(sk);
} else {
switch (sk->sk_state) {
case TCP_TIME_WAIT:
if (inet_twsk(sk)->tw_transparent)
return true;
inet_twsk_put(inet_twsk(sk));
break;
case TCP_NEW_SYN_RECV:
if (inet_rsk(inet_reqsk(sk))->no_srccheck)
return true;
break;
default:
if (inet_sk(sk)->transparent)
return true;
}
sock_gen_put(sk);
return false;
}