netdev - Re: [PATCH 1/1] r8169: fix unsigned int wraparound with TSO

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Message-Id: <20120508.193505.1334053438503113320.davem@davemloft.net>
Date:	Tue, 08 May 2012 19:35:05 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	romieu@...zoreil.com
Cc:	avillaci@...c.espol.edu.ec, thomas.pi@...or.de, jducourt@...e.fr,
	hayeswang@...ltek.com, netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] r8169: fix unsigned int wraparound with TSO

From: Francois Romieu <romieu@...zoreil.com>
Date: Wed, 9 May 2012 00:00:06 +0200

> From: Julien Ducourthial <jducourt@...e.fr>
> 
> The r8169 may get stuck or show bad behaviour after activating TSO :
> the net_device is not stopped when it has no more TX descriptors.
> This problem comes from TX_BUFS_AVAIL which may reach -1 when all
> transmit descriptors are in use. The patch simply tries to keep positive
> values.
> 
> Tested with 8111d(onboard) on a D510MO, and with 8111e(onboard) on a
> Zotac 890GXITX.
> 
> Signed-off-by: Julien Ducourthial <jducourt@...e.fr>
> Acked-by: Francois Romieu <romieu@...zoreil.com>

Applied and queued up for -stable, thanks.
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