From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Benc Subject: Re: [PATCH net-next v5] rtnetlink: add new RTM_GETSTATS message to dump link stats Date: Wed, 20 Apr 2016 14:48:28 +0200 Message-ID: <20160420144828.5537dce7@griffin> References: <20160418.214851.122286645854721047.davem@davemloft.net> <20160418.235207.395468709808133833.davem@davemloft.net> <1461060543.2766.20.camel@sipsolutions.net> <20160419.142324.1774057494079734967.davem@davemloft.net> <1461094901.2766.26.camel@sipsolutions.net> <5716E123.8040002@cumulusnetworks.com> <1461137540.2176.5.camel@sipsolutions.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: David Ahern , David Miller , eric.dumazet@gmail.com, roopa@cumulusnetworks.com, netdev@vger.kernel.org, jhs@mojatatu.com, tgraf@suug.ch, nicolas.dichtel@6wind.com, egrumbach@gmail.com To: Johannes Berg Return-path: Received: from mx1.redhat.com ([209.132.183.28]:47767 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750941AbcDTMse convert rfc822-to-8bit (ORCPT ); Wed, 20 Apr 2016 08:48:34 -0400 In-Reply-To: <1461137540.2176.5.camel@sipsolutions.net> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 20 Apr 2016 09:32:20 +0200, Johannes Berg wrote: > 2) Use the new attribute flag with some required attribute for > =C2=A0 =C2=A0existing commands, so that older kernel will not find th= e required > =C2=A0 =C2=A0attribute and will reject the operation entirely. > =C2=A0 =C2=A0May or may not fall back to trying the operation again w= ithout the > =C2=A0 =C2=A0flag. This is basically what I submitted half a year ago. See: http://thread.gmane.org/gmane.linux.network/382850 Jiri