netdev - Re: [net-next] iproute2: Add new command to IP link to enable/disable VF spoof check

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Message-ID: <20110926141959.58d310c0@nehalam.linuxnetplumber.net>
Date:	Mon, 26 Sep 2011 14:19:59 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	David Miller <davem@...emloft.net>
Cc:	benve@...co.com, bhutchings@...arflare.com,
	gregory.v.rose@...el.com, jeffrey.t.kirsher@...el.com,
	netdev@...r.kernel.org, gospo@...hat.com
Subject: Re: [net-next] iproute2: Add new command to IP link to
 enable/disable VF spoof check

On Mon, 26 Sep 2011 17:00:49 -0400 (EDT)
David Miller <davem@...emloft.net> wrote:

> From: "Christian Benvenuti (benve)" <benve@...co.com>
> Date: Mon, 26 Sep 2011 15:54:53 -0500
> 
> > Does it mean that a Netlink interface becomes official (and backward
> > compatibility should not be broken) only once iproute2 starts
> > supporting it?
> 
> It needs to be analyzed on a case-by-case basis.  Sometimes we can quickly
> fix a poorly designed netlink interface is no major tool takes on use of
> the feature.

If an interface changes before an official release, there is no
problem. I.e. if an interface goes through multiple versions while
in net-next (or a bug fix during 3.X-rc*) that's fine.
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