netdev - Re: [PATCH] pch_gbe: Use a randomly generated MAC instead of failing probe

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Date:	Mon, 16 Jan 2012 08:07:43 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Darren Hart <dvhart@...ux.intel.com>
CC:	Alan Cox <alan@...ux.intel.com>,
	Tomoya MORINAGA <tomoya.rohm@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, jeffrey.t.kirsher@...el.com,
	paul.gortmaker@...driver.com, jdmason@...zu.us,
	netdev@...r.kernel.org
Subject: Re: [PATCH] pch_gbe: Use a randomly generated MAC instead of failing
 probe

On 1/16/2012 7:42 AM, Darren Hart wrote:

> One reason I don't care for this alternative approach is that this
> particular hardware is targeted at embedded use where we can't assume a
> full init system is available, etc. It can be made to work of course, it
> just isn't as automated.
> 

the tricky thing with embedded hw like this is that all devices might
end up with the same, read-only filesystem, so storing the mac on the FS
and then loading it from there into the HW is... suboptimal.

Would be very nice if busybox had a command that would check the mac
from each IF, and created the random mac from userspace automatically...

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