netdev - Re: skb_segment() questions

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Message-Id: <20090328.233929.160905643.davem@davemloft.net>
Date:	Sat, 28 Mar 2009 23:39:29 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	jamesclhuang@...il.com, netdev@...r.kernel.org
Subject: Re: skb_segment() questions

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Sun, 29 Mar 2009 10:07:01 +0800

> gso: Fix support for linear packets
> 
> When GRO/frag_list support was added to GSO, I made an error
> which broke the support for segmenting linear GSO packets (GSO
> packets are normally non-linear in the payload).
> 
> These days most of these packets are constructed by the tun
> driver, which prefers to allocate linear memory if possible.
> This is fixed in the latest kernel, but for 2.6.29 and earlier
> it is still the norm.
> 
> Therefore this bug causes failures with GSO when used with tun
> in 2.6.29.
> 
> Reported-by: James Huang <jamesclhuang@...il.com>
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied, thanks.
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