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Re: Intel and TOE in the news

To: patrick mcmanus <mcmanus@xxxxxxxxxxxx>
Subject: Re: Intel and TOE in the news
From: jamal <hadi@xxxxxxxxxx>
Date: 21 Feb 2005 16:12:42 -0500
Cc: "netdev@xxxxxxxxxxx" <netdev@xxxxxxxxxxx>
In-reply-to: <1109016740.25476.2.camel@mcmanus.datapower.com>
Organization: jamalopolous
References: <20050220230713.GA62354@muc.de> <200502210332.j1L3WkDD014744@guinness.s2io.com> <20050221115006.GB87576@muc.de> <20050221132844.GU31837@postel.suug.ch> <1108994621.1089.158.camel@jzny.localdomain> <20050221141714.GV31837@postel.suug.ch> <1108996313.1090.178.camel@jzny.localdomain> <20050221153443.GW31837@postel.suug.ch> <1109000925.1076.3.camel@jzny.localdomain> <20050221164006.GY31837@postel.suug.ch> <1109005385.1074.68.camel@jzny.localdomain> <1109016740.25476.2.camel@mcmanus.datapower.com>
Reply-to: hadi@xxxxxxxxxx
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On Mon, 2005-02-21 at 15:12, patrick mcmanus wrote:
> On Mon, 2005-02-21 at 12:03, jamal wrote:
> > after the BSD folks claimed to be
> > doing 1Mpps forwarding (only to find out they used CSA later).
>                            ^^^^^^^^^^^^^^^^^^^^^^^^
> 
> I can't grok this. Can you elucidate?
> 

Credit should go to Harald Welte for pointing this out to me a while
back.
CSA is essentially a direct link to the Northbridge System Controller
(or MCH); there are some speacilized motherboards that have this
feature. So imagine a e1000 with no PCI-X bridge directly connected to
the MCH. The funny thing is it was supposed to be a cost-reduction
concept (no more PCI-X brifge). Refer to my earlier comment about
intel and its chipset division.

cheers,
jamal




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