From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net v3] bonding: disable arp and enable mii monitoring when bond change to no uses arp mode Date: Thu, 28 Nov 2013 18:20:49 -0500 (EST) Message-ID: <20131128.182049.1314421032838540772.davem@davemloft.net> References: <1384815032.4774.55.camel@dcbw.foobar.com> <528ACD8A.1010409@greyhouse.net> <528F6A1B.70904@huawei.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: andy@greyhouse.net, dcbw@redhat.com, fubar@us.ibm.com, nikolay@redhat.com, vfalico@redhat.com, netdev@vger.kernel.org To: dingtianhong@huawei.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:47337 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751072Ab3K1XUv (ORCPT ); Thu, 28 Nov 2013 18:20:51 -0500 In-Reply-To: <528F6A1B.70904@huawei.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Ding Tianhong Date: Fri, 22 Nov 2013 22:28:43 +0800 > Because the ARP monitoring is not support for 802.3ad, but I still > could change the mode to 802.3ad from ab mode while ARP monitoring > is running, it is incorrect. > > So add a check for 802.3ad in bonding_store_mode to fix the problem, > and make a new macro BOND_NO_USES_ARP() to simplify the code. > > v2: according to the Dan Williams's suggestion, bond mode is the most > important bond option, it should override any of the other sub-options. > So when the mode is changed, the conficting values should be cleared > or reset, otherwise the user has to duplicate more operations to modify > the logic. I disable the arp and enable mii monitoring when the bond mode > is changed to AB, TB and 8023AD if the arp interval is true. > > v3: according to the Nik's suggestion, the default value of miimon should need > a name, there is several place to use it, and the bond_store_arp_interval() > could use micro BOND_NO_USES_ARP to make the code more simpify. > > Suggested-by: Dan Williams > Suggested-by: Nikolay Aleksandrov > Signed-off-by: Ding Tianhong Applied, thanks for following up on this Ding.