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Date:	Sat, 14 Jan 2012 00:14:30 -0800 (PST)
From:	David Miller <>
Subject: Re: [PATCH] pch_gbe: Use a randomly generated MAC instead of
 failing probe

From: Darren Hart <>
Date: Fri, 13 Jan 2012 22:44:55 -0800

> If the MAC is invalid or not implemented, use a randomly generated one rather
> than failing the probe. Store the generated addr in a new sw_mac array in the
> pch_gbe_mac_info structure. Take care to allow for assigning the MAC via
> ifconfig by reusing sw_addr to store an assigned mac if probe populated it with
> a random one (otherwise the assignment would rely on the ROM and the reset would
> fail to write a valid MAC to the rx filter).
> Tested on two platforms, one with a valid MAC, the other without a MAC. The
> real MAC is used if present, a randomly generated one otherwise. Both are
> capable of changing the MAC with ifconfig. They successfully get an IP over
> DHCP and pass a simple ping and login over ssh test.
> This does not make any attempt to address a missing or invalid MAC for the
> pch_phub driver.
> Signed-off-by: Darren Hart <>

I don't want to see code like this added if it's "just in case."

Please correct any hardware that hasn't shipped yet or is alpha/beta
hardware in testing, so that we don't need stuff like this.
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