From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Dichtel Subject: Re: [patch net-next v2 10/10] rocker: implement L2 bridge offloading Date: Mon, 10 Nov 2014 10:10:41 +0100 Message-ID: <54608111.60308@6wind.com> References: <1415530280-9190-1-git-send-email-jiri@resnulli.us> <1415530280-9190-11-git-send-email-jiri@resnulli.us> <546036A3.3010404@mojatatu.com> <20141110081826.GE1850@nanopsycho.orion> Reply-To: nicolas.dichtel@6wind.com Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org, davem@davemloft.net, nhorman@tuxdriver.com, andy@greyhouse.net, tgraf@suug.ch, dborkman@redhat.com, ogerlitz@mellanox.com, jesse@nicira.com, pshelar@nicira.com, azhou@nicira.com, ben@decadent.org.uk, stephen@networkplumber.org, jeffrey.t.kirsher@intel.com, vyasevic@redhat.com, xiyou.wangcong@gmail.com, john.r.fastabend@intel.com, edumazet@google.com, sfeldma@gmail.com, f.fainelli@gmail.com, roopa@cumulusnetworks.com, linville@tuxdriver.com, jasowang@redhat.com, ebiederm@xmission.com, ryazanov.s.a@gmail.com, buytenh@wantstofly.org, aviadr@mellanox.com, nbd@openwrt.org, alexei.starovoitov@gmail.com, Neil.Jerram@metaswitch.com, ronye@mellanox.com, simon.horman@netronome.com, alexander.h.duyck@redhat.com, john.ronciak@intel.com, mleitner@redhat.com, shrijeet@gmail.com, gospo@cumulusnetworks.com, bcrl@kvack.org To: Jiri Pirko , Jamal Hadi Salim Return-path: Received: from mail-wi0-f175.google.com ([209.85.212.175]:49330 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752105AbaKJJKr (ORCPT ); Mon, 10 Nov 2014 04:10:47 -0500 Received: by mail-wi0-f175.google.com with SMTP id ex7so9693088wid.8 for ; Mon, 10 Nov 2014 01:10:45 -0800 (PST) In-Reply-To: <20141110081826.GE1850@nanopsycho.orion> Sender: netdev-owner@vger.kernel.org List-ID: Le 10/11/2014 09:18, Jiri Pirko a =E9crit : > Mon, Nov 10, 2014 at 04:53:07AM CET, jhs@mojatatu.com wrote: >> On 11/09/14 05:51, Jiri Pirko wrote: >>> From: Scott Feldman >>> >>> Add L2 bridge offloading support to rocker driver. Here, the Linux= bridge >>> driver is used to collect swdev ports into a tagged (or untagged) V= LAN >>> bridge. The swdev will offload from the bridge driver the followin= g L2 >>> bridging functions: >>> >>> - Learning of neighbor MAC addresses on VLAN X Learned mac/vlan = is >>> installed in bridge FDB. (And removed when device unlearns mac/vla= n). >>> Learning must be turned off on each bridge port to disable the feat= ure in >>> the bridge driver. >>> >> >> I have quiet a few use cases where the above is a no-no. I dont want >> learning of any sort (we have a knob for that in the bridge). > > I would love to see your code. Please do share. > >> And i dont want learning in hardware to be reflected in software. >> Basically this is a policy decision. Introduce a knob to choose whet= her >> hardware learnt addresses should be reflected in software. > > This can be easily done as a bridge option I believe. If you are ok w= ith > that, I will add a patch (either in re-post or as a follow-up) An option will be nice. Regards, Nicolas