linux-kernel - Re: [RFC v2 2/4] net: enables interface option to skip IP

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Message-ID: <CAB=NE6Uf63XAAi_Sy5iSy2sjfNdWd9QsPECMBVBrUX9z4_L5-g@mail.gmail.com>
Date:	Mon, 24 Feb 2014 12:33:35 -0800
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Dan Williams <dcbw@...hat.com>
Cc:	Zoltan Kiss <zoltan.kiss@...rix.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	xen-devel@...ts.xenproject.org, kvm@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [RFC v2 2/4] net: enables interface option to skip IP

On Mon, Feb 24, 2014 at 10:22 AM, Dan Williams <dcbw@...hat.com> wrote:
> My use-case would simply be to have an analogue for the disable_ipv6
> case.  In the future I expect more people will want to disable IPv4 as
> they move to IPv6.  If you don't have something like disable_ipv4, then
> there's no way to ensure that some random program or something doesn't
> set up IPv4 stuff that you don't want.
>
> Same thing for IPv6; some people really don't want IPv6 enabled on an
> interface no matter what; they don't want an IPv6LL address assigned,
> they don't want kernel SLAAC, they want to ensure that *nothing*
> IPv6-related gets done for that interface.  The same can be true for
> IPv4, but we don't have a way of doing that right now.

I'll add this to my queue.

  Luis
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