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Date:	Mon, 10 Feb 2014 20:50:49 +0800
From:	Herbert Xu <>
To:	Florian Westphal <>
Cc:	Eric Dumazet <>,
Subject: Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

On Mon, Feb 10, 2014 at 01:43:46PM +0100, Florian Westphal wrote:
> Eric suggested to shrink gso_size instead to avoid segmentation+fragments.
> I think its nice idea, but skb_gso_segment makes certain assumptions about
> nr_frags and gso_size (it can't handle frag size > desired mss).

This breaks the most important assumption behind GRO which is
to preserve end-to-end connectivity.  Resegmenting packets as
suggested on a router/bridge is just wrong.

Email: Herbert Xu <>
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