From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2 net 6/6] bonding: disallow change of MAC if fail_over_mac enabled Date: Fri, 07 Jun 2013 15:06:28 -0700 (PDT) Message-ID: <20130607.150628.1095723147945965442.davem@davemloft.net> References: <1370037451-29466-1-git-send-email-fubar@us.ibm.com> <1370037451-29466-7-git-send-email-fubar@us.ibm.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: fubar@us.ibm.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:49079 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756072Ab3FGWG3 (ORCPT ); Fri, 7 Jun 2013 18:06:29 -0400 In-Reply-To: <1370037451-29466-7-git-send-email-fubar@us.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jay Vosburgh Date: Fri, 31 May 2013 14:57:31 -0700 > Currently, if fail_over_mac is set to active, then attempts to > change the MAC of the bond itself silently fail. However, if fail_over_mac > is set to follow, changes are permitted. > > Permitting the bond's MAC to change with fail_over_mac=follow > will disrupt the follow functionality, which normally controls the > assignment of MAC address to the bond and its slaves, and can cause > multiple ports to be assigned the same MAC address. which will interfere > with the functioning of the device (where the device here is a > virtualization-aware card for s390, qeth). > > Signed-off-by: Jay Vosburgh Applied to net-next.