From owner-freebsd-net@FreeBSD.ORG Thu Sep 15 10:01:17 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9B9A81065674 for ; Thu, 15 Sep 2011 10:01:17 +0000 (UTC) (envelope-from fazaeli@sepehrs.com) Received: from sepehrs.com (www.sepehrs.com [213.217.59.98]) by mx1.freebsd.org (Postfix) with ESMTP id 86B758FC12 for ; Thu, 15 Sep 2011 10:01:15 +0000 (UTC) Received: from [127.0.0.1] ([192.168.3.10]) by sepehrs.com (8.14.3/8.14.3) with ESMTP id p8F9meNR096380 for ; Thu, 15 Sep 2011 14:18:41 +0430 (IRDT) Message-ID: <4E71CAEB.8090402@sepehrs.com> Date: Thu, 15 Sep 2011 14:22:43 +0430 From: Hooman Fazaeli User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.21) Gecko/20110830 Thunderbird/3.1.13 MIME-Version: 1.0 To: "freebsd-net@freebsd.org" Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: intel checksum offload X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Sep 2011 10:01:17 -0000 Hi list, The data sheet for intel 82576 advertises IP TX/RX checksum offload but the driver does not set CSUM_IP in ifp->if_hwassist. Does this mean that driver (and chip) do not support IP TX checksum offload or the support for TX is not yet included in the driver?