From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamal Hadi Salim Subject: Re: [patch net-next RFC 0/4] introduce infrastructure for support of switch chip datapath Date: Thu, 27 Mar 2014 17:59:56 -0400 Message-ID: <53349F5C.8090205@mojatatu.com> References: <53330639.8050403@cumulusnetworks.com> <20140326165934.GH2869@minipsycho.orion> <20140326173536.GJ2869@minipsycho.orion> <20140326181436.GL2869@minipsycho.orion> <53334BDA.1060608@mojatatu.com> <20140327065616.GA2845@minipsycho.orion> <20140327165550.GN2845@minipsycho.orion> <53349C6C.6050506@mojatatu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Sergey Ryazanov , Jiri Pirko , Roopa Prabhu , Neil Horman , Thomas Graf , netdev , David Miller , Andy Gospodarek , dborkman , ogerlitz , jesse , pshelar , azhou , Ben Hutchings , Stephen Hemminger , jeffrey.t.kirsher@intel.com, vyasevic , Cong Wang , John Fastabend , Eric Dumazet , Scott Feldman , Lennert Buytenhek , Shrijeet Mukherjee , Felix Fietkau To: Florian Fainelli Return-path: Received: from mail-ob0-f172.google.com ([209.85.214.172]:33480 "EHLO mail-ob0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755359AbaC0WAA (ORCPT ); Thu, 27 Mar 2014 18:00:00 -0400 Received: by mail-ob0-f172.google.com with SMTP id wm4so5035478obc.17 for ; Thu, 27 Mar 2014 14:59:59 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 03/27/14 17:54, Florian Fainelli wrote: > 2014-03-27 14:47 GMT-07:00 Jamal Hadi Salim : > I think it is. There is nothing in-tree that actually uses that > feature (switch chaining), but all the infrastructure is there to: > > - represent links between switches, which one is cascaded from which > one and get a sense of their addressing within the switch tree > - a function call to get that cascading table to programmed to each switch > - get all relevant "uplink/downlink" switch ports to be configured appropriately > Sounds like we have a winner on this aspect at least. Is it a common setup to have such cascading though - or is this some overzelous way of solving cascading switches within a LAN? cheers, jamal