From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamal Hadi Salim Subject: Re: [patch net-next v2 8/9] switchdev: introduce Netlink API Date: Sat, 20 Sep 2014 06:31:12 -0400 Message-ID: <541D5770.3080305@mojatatu.com> References: <1411134590-4586-1-git-send-email-jiri@resnulli.us> <1411134590-4586-9-git-send-email-jiri@resnulli.us> <541C4AFC.8060500@mojatatu.com> <20140919154946.GH1980@nanopsycho.orion> <541CF75C.9030209@cumulusnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Jiri Pirko , netdev , 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, f.fainelli@gmail.com, linville@tuxdriver.com, dev@openvswitch.org, 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, simon.horman@netronome.com, alexander.h.duyck@intel.com, Shrijeet Mukherjee To: Scott Feldman , Roopa Prabhu Return-path: Received: from mail-ig0-f178.google.com ([209.85.213.178]:64184 "EHLO mail-ig0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750903AbaITKbR (ORCPT ); Sat, 20 Sep 2014 06:31:17 -0400 Received: by mail-ig0-f178.google.com with SMTP id r10so431235igi.17 for ; Sat, 20 Sep 2014 03:31:17 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 09/20/14 04:10, Scott Feldman wrote: > > On Sep 19, 2014, at 8:41 PM, Roopa Prabhu = wrote: > > > Existing rtnetlink isn=92t available to swdev without some kind of sn= ooping the echoes from the various kernel components >(bridge, fib, etc). You have made this claim before Scott and I am still not following. Why do we need to echo things to get FDB or FIB to work? device ops for= =20 =46DB offload for example already exist. I think they need to be revamped, but that consensus can be reasonably reached. Why do we need this flow api for such activities? cheers, jamal