netdev - Re: [RFC PATCH] 2.6.22.6 netfilter: sk_setup_caps in ip_make_route

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Message-ID: <46F13D7D.6010603@trash.net>
Date:	Wed, 19 Sep 2007 17:17:17 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	lepton <ytht.net@...il.com>
CC:	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH] 2.6.22.6 netfilter: sk_setup_caps in ip_make_route_harder

Patrick McHardy wrote:
> lepton wrote:
> 
>>Hi,
>>  For local src packets, it is better to update sk_route_caps in
>>  ip_route_me_harder.
> 
> 
> 
> This seems like a good idea to me. But why only for local src
> (address) packets? This function can also be used for locally
> generated packet that have been (f.i.) NATed to a foreign
> address ...


Actually, I'm afraid it might break some setups. Rerouting is
done per packet, but if we cache the dst_entry for the socket,
all packets from that socket will be routed similar.

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