linux-kernel - Re: drivers/net/sunhme.c patch

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Message-ID: <Pine.LNX.4.64.0710292311070.32301@fbirervta.pbzchgretzou.qr>
Date:	Mon, 29 Oct 2007 23:12:25 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	David Miller <davem@...emloft.net>
cc:	toms@...derland.us.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: drivers/net/sunhme.c patch


On Oct 29 2007 15:10, David Miller wrote:
>> On Oct 29 2007 08:54, Tom Southerland wrote:
>> >
>> > This patch provides a unique mac address for all interfaces
>> > for the Sun QFE card (non-sparc).  It takes the base mac from
>> > the first interface and increments the mac address for the
>> > other interfaces.
>> 
>> Where is the difference to a SPARC QFE? PCI is PCI after all, is not it?
>
>To answer the question, yes it is just a normal PCI device, they put 4
>HME chips behind a PCI bridge.  However, the OpenFirmware on the cards
>usually creates device node properties for these PCI devices for the
>local ethernet addresses.  That's what he's trying to duplicate here.
>
The question was more like: if I put in a QFE (that was acquired together
with a SUN E250) into x86, would I get duplicate MACs? (Would be strange -
I would have supposed the OF on the card is independent.)

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