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Date:      Mon, 07 Jul 2008 21:22:41 -0400
From:      Paul <paul@gtcomm.net>
To:        Mike Tancsa <mike@sentex.net>
Cc:        FreeBSD Net <freebsd-net@freebsd.org>, Andre Oppermann <andre@freebsd.org>
Subject:   Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]
Message-ID:  <4872C161.6080105@gtcomm.net>
In-Reply-To: <200807080107.m6817XxO021966@lava.sentex.ca>
References:  <4867420D.7090406@gtcomm.net>	<200806301944.m5UJifJD081781@lava.sentex.ca>	<20080701004346.GA3898@stlux503.dsto.defence.gov.au>	<alpine.LFD.1.10.0807010257570.19444@filebunker.xip.at>	<20080701010716.GF3898@stlux503.dsto.defence.gov.au>	<alpine.LFD.1.10.0807010308320.19444@filebunker.xip.at>	<486986D9.3000607@monkeybrains.net> <48699960.9070100@gtcomm.net>	<ea7b9c170806302005n2a66f592h2127f87a0ba2c6d2@mail.gmail.com>	<20080701033117.GH83626@cdnetworks.co.kr>	<ea7b9c170806302050p2a3a5480t29923a4ac2d7c852@mail.gmail.com>	<4869ACFC.5020205@gtcomm.net> <4869B025.9080006@gtcomm.net>	<486A7E45.3030902@gtcomm.net> <486A8F24.5010000@gtcomm.net>	<486A9A0E.6060308@elischer.org> <486B41D5.3060609@gtcomm.net>	<4871E85C.8090907@freebsd.org> <48726422.7050703@gtcomm.net> <200807080107.m6817XxO021966@lava.sentex.ca>

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I read through the IGB driver, and it says 82575/6 only...  which is the 
new chip Intel is releasing on the cards this month 2 port
and october 4 port, but the chips are on some of the motherboards right now.
Why can't it also use the 82571 ? doesn't make any sense.. I haven't 
tried it but just browsing the driver source
doesn't look like it will work.



Mike Tancsa wrote:
> At 02:44 PM 7/7/2008, Paul wrote:
>
>> Also my 82571 NIC supports multiple received queues and multiple 
>> transmit queues so why hasn't
>> anyone written the driver to support this?  It's not a 10gb card and 
>> it still supports it and it's widely
>> available and not too expensive either.   The new 82575/6 chips 
>> support even more queues and the
>> two port version will be out this month and the 4 port in october 
>> (PCI-E cards).  Motherboards are
>> already shipping with the 82576..   (82571 supports 2x/2x  575/6 
>> support 4x/4x)
>
>
>
>
> Actually, do any of your NICs attach via the igb driver ?
>
>         ---Mike
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