From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758160AbcAKDyn (ORCPT ); Sun, 10 Jan 2016 22:54:43 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:60880 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757949AbcAKDym (ORCPT ); Sun, 10 Jan 2016 22:54:42 -0500 Date: Sun, 10 Jan 2016 22:54:40 -0500 (EST) Message-Id: <20160110.225440.375655096836234129.davem@davemloft.net> To: lkundrak@v3.sk Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net Subject: Re: [PATCH] ipv6: always add flag an address that failed DAD with DADFAILED From: David Miller In-Reply-To: <1452257243-19389-1-git-send-email-lkundrak@v3.sk> References: <1452257243-19389-1-git-send-email-lkundrak@v3.sk> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sun, 10 Jan 2016 19:54:41 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lubomir Rintel 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 Applied.