netdev - Re: [PATCH 1/2] sfc: Add workspace for GMAC bug workaround to MCDI MAC

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Message-Id: <20100125.155008.197703478.davem@davemloft.net>
Date:	Mon, 25 Jan 2010 15:50:08 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH 1/2] sfc: Add workspace for GMAC bug workaround to MCDI
 MAC_STATS buffer

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Mon, 25 Jan 2010 19:28:00 +0000

> From: Guido Barzini <gbarzini@...arflare.com>
> 
> Due to a hardware bug in the SFC9000 family, the firmware must
> transfer raw GMAC statistics to host memory before aggregating them
> into the cooked (speed-independent) MAC statistics.  Extend the stats
> buffer to support this.
> 
> The length of the buffer is explicit in the MAC_STATS command, so this
> change is backward-compatible on both sides.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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