From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] ipv6: do not set "u" bit for temporary addresses Date: Thu, 13 Feb 2014 18:22:01 -0500 (EST) Message-ID: <20140213.182201.1286350698724437652.davem@davemloft.net> References: <1392203286-17833-1-git-send-email-florent.fourcot@enst-bretagne.fr> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: florent.fourcot@enst-bretagne.fr Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:51290 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751031AbaBMXWD (ORCPT ); Thu, 13 Feb 2014 18:22:03 -0500 In-Reply-To: <1392203286-17833-1-git-send-email-florent.fourcot@enst-bretagne.fr> Sender: netdev-owner@vger.kernel.org List-ID: From: Florent Fourcot Date: Wed, 12 Feb 2014 12:08:06 +0100 > The bit 6 of interface identifier was before the "universal/local bit", > indicating local significance only. This rule is now obsoleted by the > RFC 7136, removing all significance of bits in interface identifier. > > The new rule is "In all cases, the bits in an IID have no generic > semantics; in other words, they have opaque values.", so we can remove > the setting of bit 6, it will improve the entropy of random addresses. > > Signed-off-by: Florent Fourcot I'm hesistent to apply this given the feedback you've been given.