From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/2] sfc: Add workspace for GMAC bug workaround to MCDI MAC_STATS buffer Date: Mon, 25 Jan 2010 15:50:08 -0800 (PST) Message-ID: <20100125.155008.197703478.davem@davemloft.net> References: <1264447680.2793.0.camel@achroite.uk.solarflarecom.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com To: bhutchings@solarflare.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:33575 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751084Ab0AYXt4 (ORCPT ); Mon, 25 Jan 2010 18:49:56 -0500 In-Reply-To: <1264447680.2793.0.camel@achroite.uk.solarflarecom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Ben Hutchings Date: Mon, 25 Jan 2010 19:28:00 +0000 > From: Guido Barzini > > 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 Applied.