netdev - Re: [PATCH] igb: fix tx data corruption with transition to L0s on 82575

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Message-ID: <48FD7281.6030601@garzik.org>
Date:	Tue, 21 Oct 2008 02:11:13 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC:	netdev@...r.kernel.org, davem@...emloft.net,
	Alexander Duyck <alexander.h.duyck@...el.com>
Subject: Re: [PATCH] igb: fix tx data corruption with transition to L0s on
 82575

Jeff Kirsher wrote:
> From: Alexander Duyck <alexander.h.duyck@...el.com>
> 
> The 82575 has an issue in which the DMA will go out of sync if the link
> partner goes into an L0s state.  To prevent this we set the pci-e link
> partner capability bits to disable the L0s transition on the hw.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> ---
> 
>  drivers/net/igb/igb_main.c |   27 +++++++++++++++++++++++++--
>  1 files changed, 25 insertions(+), 2 deletions(-)

applied


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