From owner-svn-src-head@FreeBSD.ORG Sat Dec 1 09:48:50 2012 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id DCDBD79C; Sat, 1 Dec 2012 09:48:49 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-vb0-f54.google.com (mail-vb0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 2E5EB8FC12; Sat, 1 Dec 2012 09:48:48 +0000 (UTC) Received: by mail-vb0-f54.google.com with SMTP id l1so341835vba.13 for ; Sat, 01 Dec 2012 01:48:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=G9nGLg49LDLGywuvstQ3FyFLWnGKxTxh/11NsbXme60=; b=eQHleEJIee+D8aAKXu+mndg2rApm5kqAVDuI71X7gFJlSgXYCc1ZpwL371gCaI/U8M d65Kht6CUIrIVdOlDPkmWnXHX5ZWY5tRfd0tTJ8CqU+cZMI78WV+4E0xf0s3ToduxEpS 08JKGfNdE27GFCc0otfrWzncFvYAbl4OBR27oPikIeAl0KMY8UR0jp9ycExYR2uR664y ye2/PPZ8ZgzJatUxTNRBzRKfCZntf5nAp7jaWD4Mhz2Lim/5T4FZXOPo8tR7k/G1sEKz aBvi7nWGEwyJR5ycF4LG+8fqZhPVpeoeVxnWJU70C4yJq+JFlGs0Po69tRkljBjxtLne 85ZQ== MIME-Version: 1.0 Received: by 10.220.153.201 with SMTP id l9mr3373949vcw.33.1354355322134; Sat, 01 Dec 2012 01:48:42 -0800 (PST) Received: by 10.220.50.6 with HTTP; Sat, 1 Dec 2012 01:48:41 -0800 (PST) In-Reply-To: <50B9C291.4030107@freebsd.org> References: <201211302219.qAUMJIkI065470@svn.freebsd.org> <50B9C291.4030107@freebsd.org> Date: Sat, 1 Dec 2012 01:48:41 -0800 Message-ID: Subject: Re: svn commit: r243714 - in head/sys/dev: ixgbe netmap From: Jack Vogel To: Andre Oppermann Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Jack F Vogel , svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Dec 2012 09:48:50 -0000 On Sat, Dec 1, 2012 at 12:40 AM, Andre Oppermann wrote: > On 30.11.2012 23:19, Jack F Vogel wrote: > >> Author: jfv >> Date: Fri Nov 30 22:19:18 2012 >> New Revision: 243714 >> URL: http://svnweb.freebsd.org/**changeset/base/243714 >> >> Log: >> First of a series of 11 patches leading to new ixgbe version 2.5.0 >> This removes the header split and supporting code from the driver. >> > > You did this because the datasheet says the header split feature is > not supported and using it gives unpredictable results? > I'm not sure what the datasheet says, but yes there is a hardware issue on some of the 10G adapters if using header split. I have left the code in in a disabled state for a long time, thinking it would be there as example code, but I think it best to remove it and simplify the code at this point. Oh, and yes, results have always been mixed with the feature in my experience anyway. Regards, Jack