netdev - Re: [PATCH] r8169: Randomise invalid MAC addresses

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Message-ID: <20120124171546.GA32184@atrey.karlin.mff.cuni.cz>
Date:	Tue, 24 Jan 2012 18:15:46 +0100
From:	Pavel Machek <pavel@....cz>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	"Torne (Richard Coles)" <torne@...gle.com>, nic_swsd@...ltek.com,
	romieu@...zoreil.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] r8169: Randomise invalid MAC addresses

Hi!

> > If the default MAC address stored in the card is invalid, replace it
> > with a random address and complain about it.
> 
> See the discussion about the pch ethernet card. Detect the error and warn
> about it, block opening it and let the user set it with ifconfig xx hw
> aa:bb:cc:dd:ee:ff

Kernel should provide hw abstraction, and that should mean doing
something about commonly-bad ethernet cards.

Userspace does not quite cut it, think about nfsroot for example.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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