From owner-freebsd-questions@FreeBSD.ORG Thu May 24 11:16:29 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id B6C9A106564A; Thu, 24 May 2012 11:16:29 +0000 (UTC) (envelope-from bz@freebsd.org) Received: from mx1.sbone.de (bird.sbone.de [46.4.1.90]) by mx1.freebsd.org (Postfix) with ESMTP id 5A9A48FC14; Thu, 24 May 2012 11:16:29 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 4BF9025D3857; Thu, 24 May 2012 11:16:28 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id 6CD5ABE7A07; Thu, 24 May 2012 11:16:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id N42FC1BiicQG; Thu, 24 May 2012 11:16:26 +0000 (UTC) Received: from orange-en1.sbone.de (orange-en1.sbone.de [IPv6:fde9:577b:c1a9:31:cabc:c8ff:fecf:e8e3]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id 6FD3ABE7A04; Thu, 24 May 2012 11:16:26 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: "Bjoern A. Zeeb" In-Reply-To: Date: Thu, 24 May 2012 11:16:25 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: References: <72B744D5-3D24-4A56-907C-2A8F6620877B@FreeBSD.org> To: Venkat Duvvuru X-Mailer: Apple Mail (2.1084) Cc: lstewart@freebsd.org, Jack Vogel , freebsd-questions@freebsd.org, freebsd-net@freebsd.org Subject: Re: LRO support for IPv6 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 May 2012 11:16:29 -0000 On 23. May 2012, at 08:22 , Venkat Duvvuru wrote: > Folks, > Can somebody please explain me why "tcp checsum" calculation is = mandated in > the freebsd network stack (tcp_input--->in6_cksum) albeit the card = supports > it? >=20 > Probably Steve is the right person who can answer this. Just for public reference; we talked offline. The code simply was = never done and let's see how much of it I can get into the tree the next 48 hours. /bz --=20 Bjoern A. Zeeb You have to have visions! It does not matter how good you are. It matters what good you do!