netdev - Re: [PATCH 1/2] tun: reserves space for network in skb

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Message-Id: <20110609.000914.359816474597759076.davem@davemloft.net>
Date:	Thu, 09 Jun 2011 00:09:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] tun: reserves space for network in skb

From: Stephen Hemminger <shemminger@...tta.com>
Date: Wed, 08 Jun 2011 17:33:07 -0700

> The tun driver allocates skb's to hold data from user and then passes
> the data into the network stack as received data. Most network devices
> allocate the receive skb with routines like dev_alloc_skb() that reserves
> additional space for use by network protocol stack but tun does not.
> 
> Because of the lack of padding, when the packet is passed through bridge
> netfilter a new skb has to be allocated.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

Netconf must be coming up soon, Stephen Hemminger is submitting patches
again :-)

Both applied, thanks!
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