From: KOVACS Krisztian <hidden@sch.bme.hu>
Date: Wed, 1 Oct 2008 14:41:00 +0000 (-0700)
Subject: tcp: Handle TCP SYN+ACK/ACK/RST transparency
X-Git-Tag: v2.6.28-rc1~717^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88ef4a5a78e63420dd1dd770f1bd1dc198926b04;p=pandora-kernel.git

tcp: Handle TCP SYN+ACK/ACK/RST transparency

The TCP stack sends out SYN+ACK/ACK/RST reply packets in response to
incoming packets. The non-local source address check on output bites
us again, as replies for transparently redirected traffic won't have a
chance to leave the node.

This patch selectively sets the FLOWI_FLAG_ANYSRC flag when doing the
route lookup for those replies. Transparent replies are enabled if the
listening socket has the transparent socket flag set.

Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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