Date: Wed, 13 Sep 2006 07:37:42 +0200 From: Ian FREISLICH <if@hetzner.co.za> To: "Jack Vogel" <jfvogel@gmail.com> Cc: Andre Oppermann <andre@freebsd.org>, current@freebsd.org, Mike Tancsa <mike@sentex.net> Subject: Re: TSO, SMP and the em driver. Message-ID: <E1GNNRO-000BKY-S1@hetzner.co.za> In-Reply-To: Message from "Jack Vogel" <jfvogel@gmail.com> of "Tue, 12 Sep 2006 17:59:24 MST." <2a41acea0609121759l4684b047r350fb0763d0ccc84@mail.gmail.com>
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"Jack Vogel" wrote: > On 9/12/06, Andre Oppermann <andre@freebsd.org> wrote: > > Mike Tancsa wrote: > > > At 12:43 PM 9/12/2006, Andre Oppermann wrote: > > > > > >> TSO != (vlan && promisc) > > > > > > Sorry, the commonality I was referring to was VLAN hardware tagging and > > > how it must be enabled for TSO, but that breaks other things. See a few > > > messages ago > > > http://lists.freebsd.org/pipermail/freebsd-current/2006-September/065818.html > > > > I'm sure we can find a workaround for that. > > Not sure what you are referring to Andre, working around which part? EM + CARP + VLAN + TSO is an unworkable combination since VLANHWTAG gets broken by PROMISC required by CARP. TSO requires VLANHWTAG. Is the VLANHWTAG + PROMISC problem a driver or hardware problem? Ian -- Ian Freislich
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