netdev - Re: [net-2.6 PATCH 2/3] igb: prevent skb_over panic w/ mtu smaller than 1K

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Message-Id: <20090131.005341.30242349.davem@davemloft.net>
Date:	Sat, 31 Jan 2009 00:53:41 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, jeff@...zik.org, gospo@...hat.com,
	alexander.h.duyck@...el.com
Subject: Re: [net-2.6 PATCH 2/3] igb: prevent skb_over panic w/ mtu smaller
 than 1K

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Fri, 30 Jan 2009 16:54:04 -0800

> A panic has been observed with frame sizes smaller than 1K.  This has been
> root caused to the hardware spanning larger frames across multiple buffers
> and then reporting the original frame size in the first descriptor.  To
> prevent this we can enable set the LPE bit which in turn will restrict
> packet sizes to those set in the RLPML register.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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