From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next-2.6 PATCH 3/3] e1000e: 82579 performance improvements Date: Thu, 30 Sep 2010 21:17:03 -0700 (PDT) Message-ID: <20100930.211703.209987753.davem@davemloft.net> References: <20100930073814.13378.4212.stgit@localhost.localdomain> <20100930073934.13378.44230.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, bphilips@novell.com, bruce.w.allan@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48266 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751086Ab0JAEQm (ORCPT ); Fri, 1 Oct 2010 00:16:42 -0400 In-Reply-To: <20100930073934.13378.44230.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Thu, 30 Sep 2010 00:39:37 -0700 > From: Bruce Allan > > The initial support for 82579 was tuned poorly for performance. Adjust the > packet buffer allocation appropriately for both standard and jumbo frames; > and for jumbo frames increase the receive descriptor pre-fetch, disable > adaptive interrupt moderation and set the DMA latency tolerance. > > Signed-off-by: Bruce Allan > Tested-by: Jeff Pieper > Signed-off-by: Jeff Kirsher Applied.