From owner-freebsd-hackers Sun Mar 1 05:45:26 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA14867 for freebsd-hackers-outgoing; Sun, 1 Mar 1998 05:45:26 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from news1.gtn.com (news1.gtn.com [194.77.0.15]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id FAA14862 for ; Sun, 1 Mar 1998 05:45:19 -0800 (PST) (envelope-from andreas@klemm.gtn.com) Received: (from uucp@localhost) by news1.gtn.com (8.8.6/8.8.6) with UUCP id OAA27858; Sun, 1 Mar 1998 14:15:12 +0100 (MET) Received: (from andreas@localhost) by klemm.gtn.com (8.8.8/8.8.7) id NAA11705; Sun, 1 Mar 1998 13:19:21 +0100 (CET) (envelope-from andreas) Message-ID: <19980301131921.45593@klemm.gtn.com> Date: Sun, 1 Mar 1998 13:19:21 +0100 From: Andreas Klemm To: Vinay Bannai Cc: hackers@FreeBSD.ORG Subject: Re: "Best" Fast Ethernet Card References: <199802271811.KAA00364@bubba.whistle.com> <199802280013.QAA04406@shell6.ba.best.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.89.1i In-Reply-To: <199802280013.QAA04406@shell6.ba.best.com>; from Vinay Bannai on Fri, Feb 27, 1998 at 04:13:12PM -0800 X-Disclaimer: A free society is one where it is safe to be unpopular X-Operating-System: FreeBSD 3.0-CURRENT SMP Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, Feb 27, 1998 at 04:13:12PM -0800, Vinay Bannai wrote: > > Yup. The ifnet device has a flag which indicates that it is capable of > doing checksum in the hardware and you set this flag in the mbufs and pass > it along. This is pretty usefule when computing checksumn in hardware for > transmits too. > > I know of atleast two protocol stack implementations (popular too) that > use these techniques... Which one ? Is it a secret ? ;-) -- Andreas Klemm powered by ,,symmetric multiprocessor FreeBSD'' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message