Date: Sat, 1 Dec 2012 01:48:41 -0800 From: Jack Vogel <jfvogel@gmail.com> To: Andre Oppermann <andre@freebsd.org> Cc: Jack F Vogel <jfv@freebsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r243714 - in head/sys/dev: ixgbe netmap Message-ID: <CAFOYbcmC016-8X3SwoggWn-0gKJCkFUc8%2BuNykGm=fju8rFdNQ@mail.gmail.com> In-Reply-To: <50B9C291.4030107@freebsd.org> References: <201211302219.qAUMJIkI065470@svn.freebsd.org> <50B9C291.4030107@freebsd.org>
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On Sat, Dec 1, 2012 at 12:40 AM, Andre Oppermann <andre@freebsd.org> 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<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
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