netdev - Re: forcedeth skb_gso

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Message-Id: <20090629.194316.30754487.davem@davemloft.net>
Date:	Mon, 29 Jun 2009 19:43:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	johannes@...solutions.net, netdev@...r.kernel.org
Subject: Re: forcedeth skb_gso_segment warning

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Mon, 29 Jun 2009 12:03:30 +0800

> tcp: Stop non-TSO packets morphing into TSO
> 
> If a socket starts out on a non-TSO route, and then switches to
> a TSO route, then the tail on the tx queue can morph into a TSO
> packet, causing mischief because the rest of the stack does not
> expect a partially linear TSO packet.
> 
> This patch fixes this by ensuring that skb->ip_summed is set to
> CHECKSUM_PARTIAL before declaring a packet as TSO.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied.
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