From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Williams Subject: Re: Kernel doesn't propagate DNSSL to userspace (e.g. NetworkManager) Date: Wed, 23 May 2012 09:46:33 -0500 Message-ID: <1337784393.25721.5.camel@dcbw.foobar.com> References: <1337783065.25721.1.camel@dcbw.foobar.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, Dan Williams , danw@gnome.org To: Pavel Simerda Return-path: Received: from mx1.redhat.com ([209.132.183.28]:59219 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752042Ab2EWOps (ORCPT ); Wed, 23 May 2012 10:45:48 -0400 In-Reply-To: <1337783065.25721.1.camel@dcbw.foobar.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2012-05-23 at 09:24 -0500, Dan Williams wrote: > On Wed, 2012-05-23 at 04:16 -0400, Pavel Simerda wrote: > > Hi, > > > > I filed a bugreport to about lack of DNSSL support in kernel: > > > > https://bugzilla.redhat.com/show_bug.cgi?id=824121 > > > > While NetworkManager recieves RDNSS neighbor discovery user option from kernel, it doesn't recieve DNSSL at all. This can be debugged with NetworkManager > > (or hopefully some better testing tool) and radvdump (to check if DNSSL is present). > > > > radvdump reports DNSSL is there, NetworkManager gets no netlink message from kernel. > > > > kernel-3.3.4-4.fc17.x86_64 > > NetworkManager-0.9.4.0-7.git20120403.fc17.x86_64 > > > > Dave Jones asked me to contact this ML directly. I'm offlist. > > So Pierre Ossman sent some RFC patches for DNSSL back in December 2010, > but Dave Miller wanted actual formal submissions which Pierre never got > around to doing. I'll resubmit Pierre's second patch, which exports all > options the kernel doesn't care about to userspace. > > Sun, 12 Dec 2010: > "[RFC][PATCH] Export all RA options that we don't handle to userspace" Well, it appears that e35f30c1 from 2012-04-06 (should be in the 3.4 kernel?) actually adds support for passing DNSSL to userspace, basically what Pierre's first patch from 2010 did. So thanks Alexey :) I think we should be good now for DNSSL? Dan