From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next-2.6 PATCH 2/2] e1000/e1000e: implement a simple interrupt moderation Date: Thu, 06 May 2010 00:25:47 -0700 (PDT) Message-ID: <20100506.002547.13753501.davem@davemloft.net> References: <20100505082537.5956.86868.stgit@localhost.localdomain> <20100505082601.5956.29024.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, jesse.brandeburg@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:57063 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755377Ab0EFHZk (ORCPT ); Thu, 6 May 2010 03:25:40 -0400 In-Reply-To: <20100505082601.5956.29024.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Wed, 05 May 2010 01:26:03 -0700 > From: Jesse Brandeburg > > Back before e1000-7.3.20, the e1000 driver had a simple algorithm that > managed interrupt moderation. The driver was updated in 7.3.20 to > have the new "adaptive" interrupt moderation but we have customer > requests to redeploy the old way as an option. This patch adds the > old functionality back. The new functionality can be enabled via > module parameter or at runtime via ethtool. > Module parameter: (InterruptThrottleRate=4) to use this new > moderation method. > Ethtool method: ethtool -C ethX rx-usecs 4 > > Signed-off-by: Jesse Brandeburg > Signed-off-by: Jeff Kirsher Applied.