linux-kernel - Re: [PATCH net-next] sysfs: add entry to indicate network interfaces with random MAC address

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Message-Id: <1279720478.2089.3.camel@achroite.uk.solarflarecom.com>
Date:	Wed, 21 Jul 2010 14:54:38 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Stefan Assmann <sassmann@...hat.com>
Cc:	David Miller <davem@...emloft.net>, abadea@...acom.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	gospo@...hat.com, gregory.v.rose@...el.com,
	alexander.h.duyck@...el.com, leedom@...lsio.com, harald@...hat.com
Subject: Re: [PATCH net-next] sysfs: add entry to indicate network
 interfaces with random MAC address

On Wed, 2010-07-21 at 10:10 +0200, Stefan Assmann wrote:
> On 20.07.2010 22:18, David Miller wrote:
> > From: Stefan Assmann <sassmann@...hat.com>
> > Date: Tue, 20 Jul 2010 14:17:30 +0200
> > 
> >> On 20.07.2010 13:58, Alex Badea wrote:
> >>> Hi,
> >>>
> >>> On 07/20/2010 02:47 PM, Stefan Assmann wrote:
> >>>>> What about devices that 'steal' MAC addresses from slave devices?
> >>>
> >>> Might I suggest an attribute such as "address_type", which could report
> >>> "permanent", "random", "stolen", or something else in the future?
> >>
> >> In case there's demand for such a multi-purpose attribute I see no
> >> reason to object. More thoughts on this?
> > 
> > I think this is a great idea.
> > 
> > Now it makes sense to use a new 'u8' in struct netdevice or similar to
> > store this, since we'll have more than a boolean here.
> > 
> 
> I put Alex' idea into code for further discussion, keeping the names
> mentioned here until we agree on the scope of this attribute. When we
> have settled I'll post a patch with proper patch description.
[...]

Just a little nitpick: I think it would be clearer to use a more
specific term like 'address source' or 'address assignment type' rather
than 'address type'.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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