netdev - Re: [PATCH 10/10] net: remove SK_ROUTE

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Date:	Thu, 14 Jul 2011 13:52:25 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mirq-linux@...e.qmqm.pl
Cc:	jhs@...atatu.com, netdev@...r.kernel.org, shemminger@...tta.com
Subject: Re: [PATCH 10/10] net: remove SK_ROUTE_CAPS from meta ematch

From: Micha┅ Miros┅aw <mirq-linux@...e.qmqm.pl>
Date: Thu, 14 Jul 2011 22:50:05 +0200

> On Wed, Jul 13, 2011 at 08:59:26PM -0400, jamal wrote:
>> On Thu, 2011-07-14 at 02:10 +0200, Micha┅ Miros┅aw wrote:
>> > Remove it, as it indirectly exposes netdev features. It's not used in
>> > iproute2 (2.6.38) - is anything else using its interface?
>> Breaks user ABI.
> 
> No iproute2 version uses it, its meaning have already changed several
> times in kernel history and it prevents improving the netdev features
> infrastructure. Note that other IDs are not changed - just this one is
> turned into unsupported.

I totally agree.

We have to disconnect the layout and specific bit patterns in
netdev features from any userspace dependency.
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