From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] e1000e: Add support for BM PHYs on ICH9 Date: Tue, 06 May 2008 12:18:48 -0400 Message-ID: <482084E8.70803@garzik.org> References: <20080429161605.16923.73468.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net To: Auke Kok Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:45321 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752665AbYEFQSv (ORCPT ); Tue, 6 May 2008 12:18:51 -0400 In-Reply-To: <20080429161605.16923.73468.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: Auke Kok wrote: > From: Bruce Allan > > This patch adds support for the BM PHY, a new PHY model being used > on ICH9-based implementations. > > This new PHY exposes issues in the ICH9 silicon when receiving > jumbo frames large enough to use more than a certain part of the > Rx FIFO, and this unfortunately breaks packet split jumbo receives. > For this reason we re-introduce (for affected adapters only) the > jumbo single-skb receive routine back so that people who do > wish to use jumbo frames on these ich9 platforms can do so. > Part of this problem has to do with CPU sleep states and to make > sure that all the wake up timings are correctly we force them > with the recently merged pm_qos infrastructure written by Mark > Gross. (See http://lkml.org/lkml/2007/10/4/400). > > To make code read a bit easier we introduce a _IS_ICH flag so > that we don't need to do mac type checks over the code. > > Signed-off-by: Bruce Allan > Signed-off-by: Auke Kok applied