From: erik@debill.org
To: linux-kernel@vger.kernel.org
Subject: Re: ethtool documentation
Date: Wed, 7 Aug 2002 15:16:42 -0500 [thread overview]
Message-ID: <20020807201642.GA11100@debill.org> (raw)
In-Reply-To: <Pine.LNX.3.95.1020807070841.28061A-100000@chaos.analogic.com>
On Wed, Aug 07, 2002 at 07:18:17AM -0400, Richard B. Johnson wrote:
>
> That capability is not permanent. If you let users write to the
> SEEPROM, permanently changing the IEEE Station Address, you have
> let users permanently break their network boards. I do protest
> when this capability is in the kernel.
Don't forget the old sun workstations that keep MAC addresses in
nvram, where it's setable via the boot prom. I had one with a bad
battery that I had to reset the MAC address on by hand if I unplugged
it for too long.
They DID implement a check to make sure the first few bits were
correct for the product, though. I couldn't pick completely random
MACs (though C0FFEE fit nicely at the end).
Given a working nvram, this change was "permanent", and the only tools
needed came with the system.
Erik
--
Ask not what your computer can do for you. Ask what you can do for
your computer.
next prev parent reply other threads:[~2002-08-07 20:13 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-06 15:41 ethtool documentation Randy.Dunlap
2002-08-06 19:24 ` Richard B. Johnson
2002-08-06 19:40 ` Chris Friesen
2002-08-06 19:44 ` Randy.Dunlap
2002-08-06 20:03 ` Richard B. Johnson
2002-08-06 20:04 ` Randy.Dunlap
2002-08-06 20:36 ` Ben Greear
2002-08-06 21:15 ` Tim Hockin
2002-08-07 1:42 ` Richard B. Johnson
2002-08-07 3:33 ` Tim Hockin
2002-08-06 21:58 ` Alan Cox
2002-08-06 20:42 ` Randy.Dunlap
2002-08-06 22:27 ` Alan Cox
2002-08-19 19:00 ` Mark H. Wood
2002-08-07 1:57 ` Richard B. Johnson
2002-08-07 11:47 ` Alan Cox
2002-08-07 2:54 ` Ryan Anderson
2002-08-07 5:32 ` Dax Kelson
2002-08-07 6:30 ` Jonathan Lundell
2002-08-07 11:47 ` Alan Cox
2002-08-08 1:07 ` Peter Samuelson
2002-08-07 11:18 ` Richard B. Johnson
2002-08-07 12:05 ` Abraham vd Merwe
2002-08-07 18:44 ` Bernd Eckenfels
2002-08-07 20:16 ` erik [this message]
2002-08-07 8:02 ` Abraham vd Merwe
-- strict thread matches above, loose matches on Subject: below --
2002-08-08 9:18 Helge Hafting
2002-08-07 18:16 Leif Sawyer
2002-08-06 20:57 Leif Sawyer
2002-08-07 1:51 ` Richard B. Johnson
2002-08-07 10:53 ` Jamie Lokier
2002-08-05 11:46 Abraham vd Merwe
2002-08-05 15:42 ` Jeff Garzik
2002-08-05 19:06 ` Tim Hockin
2002-08-05 19:16 ` Jeff Garzik
2002-08-05 19:30 ` Jonathan Lundell
2002-08-05 20:20 ` Jeff Garzik
2002-08-06 10:17 ` Abraham vd Merwe
2002-08-06 10:07 ` David S. Miller
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