netdev - Re: [RFC PATCH] Ethtool style in kernel network driver configuration.

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Message-id: <alpine.LFD.2.00.0906102350420.31536@xanadu.home>
Date:	Wed, 10 Jun 2009 23:55:31 -0400 (EDT)
From:	Nicolas Pitre <nico@....org>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Martin Fuzzey <mfuzzey@...il.com>, netdev@...r.kernel.org
Subject: Re: [RFC PATCH] Ethtool style in kernel network driver configuration.

On Thu, 11 Jun 2009, Ben Hutchings wrote:

> On Wed, 2009-06-10 at 19:34 +0200, Martin Fuzzey wrote:
> > Allow network drivers to be configured by the kernel
> > in the same way as the userspace "ethtool" program as suggested
> > by Nicolas Pitre in a recent mailing list discussion.
[...]
> Who needs this feature?  Why not use ethtool in an initramfs?
[...]
> Forcing speed and duplex is occasionally needed to work around a link
> partner that doesn't implement autonegotiation correctly.  I don't see
> that it should ever be needed in platform configuration.  If the driver
> doesn't detect the MAC/PHY capabilities correctly then the driver should
> be fixed.  Overriding the settings once will not prevent an unsupported
> mode being selected later.

I'd suggest you have a look at the conversation that occurred in the 
thread which subject was "SMC91x: forcing speed", no later than 3 days 
ago.

Nicolas
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