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

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Message-Id: <20160110.225440.375655096836234129.davem@davemloft.net>
Date:	Sun, 10 Jan 2016 22:54:40 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	lkundrak@...sk
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net
Subject: Re: [PATCH] ipv6: always add flag an address that failed DAD with
 DADFAILED

From: Lubomir Rintel <lkundrak@...sk>
Date: Fri,  8 Jan 2016 13:47:23 +0100

> 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>

Applied.