netdev - Re: [net-2.6 PATCH 5/6] e1000e: 82579 jumbo frame workaround causing CRC errors

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Message-Id: <20100922.211110.241458146.davem@davemloft.net>
Date:	Wed, 22 Sep 2010 21:11:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	bruce.w.allan@...el.com
Subject: Re: [net-2.6 PATCH 5/6] e1000e: 82579 jumbo frame workaround
 causing CRC errors

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 22 Sep 2010 20:16:40 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> The subject workaround was causing CRC errors due to writing the wrong
> register with updates of the RCTL register.  It was also found that the
> workaround function which modifies the RCTL register was being called in
> the middle of a read-modify-write operation of the RCTL register, so the
> function call has been moved appropriately.  Lastly, jumbo frames must not
> be allowed when CRC stripping is disabled by a module parameter because the
> workaround requires the CRC be stripped.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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