netdev - Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

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Message-ID: <1392038114.6615.33.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 10 Feb 2014 05:15:14 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Florian Westphal <fw@...len.de>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

On Mon, 2014-02-10 at 13:43 +0100, Florian Westphal wrote:

> Well we could go with my original patch that will do software
> segmentation on ~DF packets in the forwarding path if the outmtu is too
> small for the individual packets.  The output path then simply
> creates fragments.

Most linux routers disable GRO anyway.

GRO is mostly used on linux hosts to improve performance, so most GRO
packets are consumed on the receiving host.



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