From owner-freebsd-hackers Sat Dec 15 1:13: 7 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from elvis.mu.org (elvis.mu.org [216.33.66.196]) by hub.freebsd.org (Postfix) with ESMTP id 3165B37B417 for ; Sat, 15 Dec 2001 01:13:05 -0800 (PST) Received: by elvis.mu.org (Postfix, from userid 1192) id BB6B981D03; Sat, 15 Dec 2001 03:13:04 -0600 (CST) Date: Sat, 15 Dec 2001 03:13:04 -0600 From: Alfred Perlstein To: David Greenman Cc: Terry Lambert , Brooks Davis , rsharpe@ns.aus.com, freebsd-hackers@FreeBSD.ORG Subject: Re: Does anyone know if the Broadcom BCM5700 has problems with HW csum? Message-ID: <20011215031304.N79896@elvis.mu.org> References: <3C1AEA9E.6010502@ns.aus.com> <20011214214118.A30560@Odin.AC.HMC.Edu> <3C1AF362.534BD2F7@mindspring.com> <20011215005739.A84861@nexus.root.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011215005739.A84861@nexus.root.com>; from dg@root.com on Sat, Dec 15, 2001 at 12:57:39AM -0800 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG * David Greenman [011215 03:12] wrote: > >Brooks Davis wrote: > >> There was a commit to current a few hours ago disabling hardware > >> checksums on recieve due to corruption problems. It will be MFC'd in > >> three days though it's a two line fix so you could apply it your self: > >> > >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/bge/if_bge.c.diff?r1=1.4&r2=1.5 > > > >I believe you will find that the problem is related to the firmware > >handling of VLAN tagging, and that the problem only exists if VLAN > >tagging is enabled. > > You would believe wrongly, then, because the problem that I was seeing did > not involve VLAN tags. You're probably incorrect, it doesn't matter if vlan tags are active or not, it's most likely wheather or not the firmware is being asked to handle them at all. -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' http://www.morons.org/rants/gpl-harmful.php3 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message