From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [RFC PATCH v0 1/2] net: bridge: propagate FDB table into hardware Date: Sat, 18 Feb 2012 07:41:40 -0500 Message-ID: <1329568900.3027.0.camel@mojatatu> References: <20120209032206.32468.92296.stgit@jf-dev1-dcblab> <20120208203627.035c6b0e@nehalam.linuxnetplumber.net> <4F34042F.6090806@intel.com> <20120209094047.3ea7aa56@nehalam.linuxnetplumber.net> <4F3407F7.9000202@intel.com> <1328821894.2089.3.camel@mojatatu> <4F347D96.2020806@intel.com> <4F3499BC.8020609@intel.com> <1328887111.2075.43.camel@mojatatu> <4F39287F.6030204@intel.com> <1329225526.2806.34.camel@mojatatu> <4F3AAE80.4040609@intel.com> <1329315057.4158.15.camel@mojatatu> <4F3C5B44.7000608@intel.com> <1329488932.2272.19.camel@mojatatu> <4F3E8A01.5000205@intel.com> Reply-To: jhs@mojatatu.com Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Stephen Hemminger , bhutchings@solarflare.com, roprabhu@cisco.com, netdev@vger.kernel.org, mst@redhat.com, chrisw@redhat.com, davem@davemloft.net, gregory.v.rose@intel.com, kvm@vger.kernel.org, sri@us.ibm.com To: John Fastabend Return-path: Received: from mail-qw0-f46.google.com ([209.85.216.46]:39504 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588Ab2BRMlr (ORCPT ); Sat, 18 Feb 2012 07:41:47 -0500 In-Reply-To: <4F3E8A01.5000205@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2012-02-17 at 09:10 -0800, John Fastabend wrote: > Yes I agree that is the goal. > > > One last comment: > > With synchronization there are other challenges when the entry in the > > hardware conflicts with the entry in software when you intend the > > behavior to be the same. This is not such a big deal with bridging but > > becomes more apparent when you start offloading ACLs etc. > > > > OK and these sorts of conflicts certainly don't need to be resolved > by kernel code. So I think this is a reasonable reason to drive the > synchronization into a user space daemon. Yep. Thanks for listening John. Waiting to see them patches. cheers, jamal