From owner-freebsd-hackers Tue Jun 20 17:15:35 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id 02A9E37B5A7 for ; Tue, 20 Jun 2000 17:15:33 -0700 (PDT) (envelope-from mjacob@feral.com) Received: from semuta.feral.com (semuta [192.67.166.70]) by feral.com (8.9.3/8.9.3) with ESMTP id RAA18722; Tue, 20 Jun 2000 17:15:23 -0700 Date: Tue, 20 Jun 2000 17:14:57 -0700 (PDT) From: Matthew Jacob Reply-To: mjacob@feral.com To: Paul Saab Cc: Dave Preece , Marc Nicholas , freebsd-hackers@FreeBSD.ORG Subject: Re: IP checksum offloading with intel 82559 fast ethernet. In-Reply-To: <20000620165630.A61265@elvis.mu.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > The checksome off loading for the Intel gigabit card is broken. All you > get is the checksum of the frame, so it really isn't all that useful. Yeah, well, there's a couple of things that supposedly can be done about that. For transmit, there's a start/offset you can do which could allow to insert a checksum that didn't start at the frame header. Layering violation, but probably would be helpful. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message