netdev - Re: [PATCH 1/3] bridge: preserve random init MAC address

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Message-ID: <CAB=NE6UgOL_d3MYyhqiLAZw-TLsf4wDu3NTW3+Zv1rJ6Exkdhg@mail.gmail.com>
Date:	Tue, 18 Mar 2014 20:37:35 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kvm@...r.kernel.org, xen-devel@...ts.xenproject.org,
	bridge@...ts.linux-foundation.org
Subject: Re: [PATCH 1/3] bridge: preserve random init MAC address

On Tue, Mar 18, 2014 at 8:10 PM, Stephen Hemminger
<stephen@...workplumber.org> wrote:
> On Wed, 12 Mar 2014 20:15:25 -0700
> "Luis R. Rodriguez" <mcgrof@...not-panic.com> wrote:
>
>> As it is now if you add create a bridge it gets started
>> with a random MAC address and if you then add a net_device
>> as a slave but later kick it out you end up with a zero
>> MAC address. Instead preserve the original random MAC
>> address and use it.
>
> What is supposed to happen is that the recalculate chooses
> the lowest MAC address of the slaves. If there are no slaves
> it might as well just calculate a new random value. There is
> not great merit in preserving the original defunct address.

OK I'll go and add some changes for this then.

  Luis
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