linux-kernel - Re: [PATCH 2/2] dp83640: increase receive time stamp buffer size

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Message-Id: <20110807.225337.661560107256045057.davem@davemloft.net>
Date:	Sun, 07 Aug 2011 22:53:37 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	richardcochran@...il.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: [PATCH 2/2] dp83640: increase receive time stamp buffer size

From: Richard Cochran <richardcochran@...il.com>
Date: Sun,  7 Aug 2011 09:03:04 +0200

> The dp83640 buffers receive time stamps from special PHY status frames,
> matching them to received PTP packets in a work queue. Because the timeout
> for orphaned time stamps is so long and the buffer is so small, the driver
> can drop time stamps under moderate PTP traffic.
> 
> This commit fixes the issue by decreasing the timeout to (at least) one
> timer tick and increasing the buffer size.
> 
> Signed-off-by: Richard Cochran <richard.cochran@...cron.at>
> Cc: <stable@...nel.org>

Applied.
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