From owner-freebsd-net@FreeBSD.ORG Tue Jul 8 13:40:19 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 39BFB1065674; Tue, 8 Jul 2008 13:40:19 +0000 (UTC) (envelope-from stefan.lambrev@moneybookers.com) Received: from blah.sun-fish.com (blah.sun-fish.com [217.18.249.150]) by mx1.freebsd.org (Postfix) with ESMTP id D7E418FC24; Tue, 8 Jul 2008 13:40:18 +0000 (UTC) (envelope-from stefan.lambrev@moneybookers.com) Received: by blah.sun-fish.com (Postfix, from userid 1002) id 8B8471B10EFC; Tue, 8 Jul 2008 15:40:17 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on malcho.cmotd.com X-Spam-Level: X-Spam-Status: No, score=-10.6 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.2.4 Received: from hater.haters.org (hater.cmotd.com [192.168.3.125]) by blah.sun-fish.com (Postfix) with ESMTP id 231571B10ED2; Tue, 8 Jul 2008 15:40:15 +0200 (CEST) Message-ID: <48736E3E.6090200@moneybookers.com> Date: Tue, 08 Jul 2008 16:40:14 +0300 From: Stefan Lambrev User-Agent: Thunderbird 2.0.0.14 (X11/20080616) MIME-Version: 1.0 To: Kip Macy References: <4867420D.7090406@gtcomm.net> <4869B025.9080006@gtcomm.net> <486A7E45.3030902@gtcomm.net> <486A8F24.5010000@gtcomm.net> <486A9A0E.6060308@elischer.org> <486B41D5.3060609@gtcomm.net> <4871E85C.8090907@freebsd.org> <48726422.7050703@gtcomm.net> <200807080107.m6817XxO021966@lava.sentex.ca> <4872C161.6080105@gtcomm.net> In-Reply-To: Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV version 0.93, clamav-milter version 0.93 on blah.cmotd.com X-Virus-Status: Clean Cc: FreeBSD Net , Mike Tancsa , Andre Oppermann , Jack Vogel , Paul Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jul 2008 13:40:19 -0000 Hi, Kip Macy wrote: > On Mon, Jul 7, 2008 at 6:22 PM, Paul wrote: > >> I read through the IGB driver, and it says 82575/6 only... which is the new >> chip Intel is releasing on the cards this month 2 port >> and october 4 port, but the chips are on some of the motherboards right now. >> Why can't it also use the 82571 ? doesn't make any sense.. I haven't tried >> it but just browsing the driver source >> doesn't look like it will work. >> > > The igb driver has been written to remove a lot of the cruft that has > accumulated to work around deficiencies in earlier 8257x hardware. > Although it supports "legacy" descriptor handling it has a new mode of > descriptor handling that is ostensibly better. I don't have access to > the data sheets for pre-zoar hardware so I'm not sure what it would > take to support multiple queues on that hardware. > May be we should ask Jack Vogel? He will have some news probably. > -Kip > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- Best Wishes, Stefan Lambrev ICQ# 24134177