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

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Date:	Fri, 21 Sep 2007 16:57:42 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	lepton <ytht.net@...il.com>
CC:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC PATCH] 2.6.22.6 netfilter: sk_setup_caps in ip_make_route_harder

lepton wrote:
> My situation is:
> The default route device is a e1000 network card that can do TSO.
> So the tcp stack will try send big skb to netfilter frame work.
> But after rerouting, the packtes will go out from a device  that
> can not do TSO. the packet is just get dropped..
> 
> I thinks if we can't get a way to tell tcp stack the sk_route_caps of 
> the real out device, we can just disable all things for safety.


As you already noticed yourself (in private email), this is
handled properly in current kernels.

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