linux-kernel - Re: [PATCH] ipv6: always add flag an address that failed DAD with DADFAILED

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Date:	Fri, 8 Jan 2016 14:49:50 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Lubomir Rintel <lkundrak@...sk>, netdev@...r.kernel.org
Cc:	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: [PATCH] ipv6: always add flag an address that failed DAD with
 DADFAILED

On 08.01.2016 13:47, Lubomir Rintel wrote:
> The userspace needs to know why is the address being removed so that it can
> perhaps obtain a new address.
>
> Without the DADFAILED flag it's impossible to distinguish removal of a
> temporary and tentative address due to DAD failure from other reasons (device
> removed, manual address removal).
>
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>

Makes sense.

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>