From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: [RFC PATCH] net: ipv6: Make address flushing on ifdown optional Date: Tue, 27 Jan 2015 16:28:43 +0100 Message-ID: <1422372523.13969.23.camel@stressinduktion.org> References: <1421263039-96198-1-git-send-email-dsahern@gmail.com> <20150122224033.6e2db5ce@urahara> <1422015737.2824.8.camel@stressinduktion.org> <20150127045653.GB13164@gospo.home.greyhouse.net> <1422351861.13969.5.camel@stressinduktion.org> <54C7A6D6.8020805@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Andy Gospodarek , Stephen Hemminger , netdev@vger.kernel.org To: David Ahern Return-path: Received: from out3-smtp.messagingengine.com ([66.111.4.27]:57016 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751888AbbA0P2q (ORCPT ); Tue, 27 Jan 2015 10:28:46 -0500 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 9C12120B12 for ; Tue, 27 Jan 2015 10:28:45 -0500 (EST) In-Reply-To: <54C7A6D6.8020805@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Di, 2015-01-27 at 07:55 -0700, David Ahern wrote: > On 1/27/15 2:44 AM, Hannes Frederic Sowa wrote: > >> You are probably correct that many will not switch, but this sysctl > >> gives those who want to switch a nice option without having to carry > >> extra kernel patches. I like it. > > > > I don't see any problem with the patch in general but DAD should > > definitely happen on reenabling interfaces. Current behavior does not > > seem fine to me. It's ok if this patch doesn't change this behavior now > > but a follow-up one will be needed then. > > > > David, will you look after the DAD logic and do you plan a follow-up > > patch? > > Yes, I do plan a follow-up patch for this change. Will work on that this > week. > > From the discussion a second patch is needed to make sure DAD is done > on a link up if there is an address configured. Thank you! Let's see if the DAD patch isn't complex, maybe it is a candidate for stable?