netdev - Re: [PATCH] NETFILTER: per-netns FILTER/MANGLE/RAW tables for real

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Message-ID: <47E282E6.4070907@trash.net>
Date:	Thu, 20 Mar 2008 16:29:42 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Alexey Dobriyan <adobriyan@...ru>
CC:	xemul@...nvz.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, devel@...nvz.org
Subject: Re: [PATCH] NETFILTER: per-netns FILTER/MANGLE/RAW tables for real

Alexey Dobriyan wrote:
> Commit 9335f047fe61587ec82ff12fbb1220bcfdd32006 aka
> "[NETFILTER]: ip_tables: per-netns FILTER, MANGLE, RAW"
> added per-netns _view_ of iptables rules. They were shown to user, but
> ignored by filtering code. Now that it's possible to at least ping loopback,
> per-netns tables can affect filtering decisions.
> 
> netns is taken in case of
> 	PRE_ROUTING, LOCAL_IN -- from in device,
> 	POST_ROUTING, LOCAL_OUT -- from out device,
> 	FORWARD -- from in device which should be equal to out device's netns.
> 		   This code is relatively new, so BUG_ON was plugged.
> 
> Wrappers were added to a) keep code the same from CONFIG_NET_NS=n users
> (overwhelming majority), b) consolidate code in one place -- similar
> changes will be done in ipv6 and arp netfilter code.

Applied, thanks.
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