netdev - Re: [net-next PATCH 1/7] ixgbe: fix header len when unsplit packet overflows to data buffer

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Message-Id: <20100518.194433.191137438.davem@davemloft.net>
Date:	Tue, 18 May 2010 19:44:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, shannon.nelson@...el.com
Subject: Re: [net-next PATCH 1/7] ixgbe: fix header len when unsplit packet
 overflows to data buffer

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Tue, 18 May 2010 19:00:03 -0700

> From: Shannon Nelson <shannon.nelson@...el.com>
> 
> When in packet split mode, packet type is not recognized, and the packet is
> larger than the header size, the 82599 overflows the packet into the data
> area, but doesn't set the HDR_LEN field.  We can safely assume the length
> is the current header size.  This fixes an obscure corner case that can be
> triggered by non-ip packet headers or (more likely) by disabling the L2
> packet recognition.
> 
> Signed-off-by: Shannon Nelson <shannon.nelson@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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