From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Wed, 8 Oct 2008 09:35:01 +0000 (+0200)
Subject: netfilter: implement NFPROTO_UNSPEC as a wildcard for extensions
X-Git-Tag: v2.6.28-rc1~717^2~109^2~73
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=55b69e91040c685a064198bd76e59885b7ad26c6;p=pandora-kernel.git

netfilter: implement NFPROTO_UNSPEC as a wildcard for extensions

When a match or target is looked up using xt_find_{match,target},
Xtables will also search the NFPROTO_UNSPEC module list. This allows
for protocol-independent extensions (like xt_time) to be reused from
other components (e.g. arptables, ebtables).

Extensions that take different codepaths depending on match->family
or target->family of course cannot use NFPROTO_UNSPEC within the
registration structure (e.g. xt_pkttype).

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---

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