From owner-freebsd-current@FreeBSD.ORG Tue Sep 12 16:43:41 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9074F16A407 for ; Tue, 12 Sep 2006 16:43:41 +0000 (UTC) (envelope-from andre@freebsd.org) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id D0B3A43D49 for ; Tue, 12 Sep 2006 16:43:40 +0000 (GMT) (envelope-from andre@freebsd.org) Received: (qmail 13517 invoked from network); 12 Sep 2006 16:27:33 -0000 Received: from dotat.atdotat.at (HELO [62.48.0.47]) ([62.48.0.47]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 12 Sep 2006 16:27:33 -0000 Message-ID: <4506E3BB.9010201@freebsd.org> Date: Tue, 12 Sep 2006 18:43:39 +0200 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8b) Gecko/20050217 MIME-Version: 1.0 To: Mike Tancsa References: <4506BE2C.1050903@freebsd.org> <2a41acea0609120846i32fd682wd834e0373c23d557@mail.gmail.com> <7.0.1.0.0.20060912115424.16c29b50@sentex.net> In-Reply-To: <7.0.1.0.0.20060912115424.16c29b50@sentex.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Ian FREISLICH , Jack Vogel , current@freebsd.org Subject: Re: TSO, SMP and the em driver. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Sep 2006 16:43:41 -0000 Mike Tancsa wrote: > At 11:46 AM 9/12/2006, Jack Vogel wrote: > >> Hmm, so if memory serves Linux disallows TSO when you are only >> at 100Mb, I dont recall why, I will have to look into that and perhaps >> have that same limitation in our driver. >> >> Any other data you can give me? > > > I have tripped over this in the past as well. Try > > http://www.google.com/bsd?hl=en&lr=&q=em0+vlan+promisc* > > There is a lot of chatter and analysis in the past. TSO != (vlan && promisc) -- Andre