From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Subject: Re: [patch net-next v2 00/10] introduce rocker switch driver with hardware accelerated datapath api - phase 1: bridge fdb offload Date: Mon, 10 Nov 2014 13:58:32 +0900 Message-ID: <20141110045830.GC17246@vergenet.net> References: <1415530280-9190-1-git-send-email-jiri@resnulli.us> <5460319B.2010605@mojatatu.com> <20141110034612.GB17246@vergenet.net> <5460391C.3010107@mojatatu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jiri Pirko , 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, nicolas.dichtel@6wind.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, alexander.h.duyck@redhat.com, john.ronciak@intel.com, mleitner@redhat.com, shrijeet@gmail.com, gospo@cumulusnetworks.com, bcrl@kvack.org To: Jamal Hadi Salim Return-path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:37793 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751164AbaKJE64 (ORCPT ); Sun, 9 Nov 2014 23:58:56 -0500 Received: by mail-pa0-f46.google.com with SMTP id lf10so7420439pab.19 for ; Sun, 09 Nov 2014 20:58:56 -0800 (PST) Content-Disposition: inline In-Reply-To: <5460391C.3010107@mojatatu.com> Sender: netdev-owner@vger.kernel.org List-ID: On Sun, Nov 09, 2014 at 11:03:40PM -0500, Jamal Hadi Salim wrote: > Hi Simon, > > On 11/09/14 22:46, Simon Horman wrote: > >Hi Jamal, Hi Jiri, > > > >On a somewhat related note I am also wondering what if any progress has > >been made regarding discussions of (and code for) the following: > > > >1. Exposing flow tables to user-space > > - I realise that this is Open vSwitch specific to some extent > > but I am in no way implying that it should be done instead of > > non-Open vSwitch specific work. > > - Jiri, IIRC this was part ~v2 of your earlier offload patchset > > > > I dont know what Rocker crowd is doing; however, I know > John F. has been doing some work which i have stared at > and I was hoping to join in with Ben's effort and show tc flow > offload on the realtek chip in my infinite spare time unles. > (for both Linux bridge and ports). > The priority is to merge the obvious bits first. Merging the obvious bits first is quite fine my me. > >2. Describing Switch Hardware > > - I see John Fastabend moving forwards on this in his git repository > > https://github.com/jrfastab/flow-net-next > > > >The way that I see things is that both of the above could be exposed via > >netlink. And that the first at least could be backed by NDOs. As such I > >see this work as complementary and perhaps applying on top of this > >patchset. If I am mistaken in this regards it would be good to know :) > > > > You are correct - I will let John speak on his work, but > that is the intent. > The challenge is there are many schools of thoughts and i am hoping > it is not an arms race. That is also my hope. > >I am of course also interested to know if the above are moving forwards. > >To be clear I am very interested in being able to use these APIs to > >perform Open vSwitch offloads and I am very happy to help. > >(Jamal: I'm also interested in non-Open vSwitch offloads :) > > > > Hey, OVS should be able to use these APIs; i am just interested in making > sure they are not just for OVS or OF. Then we are all happy;-> I think we are all happy :)