From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Pirko Subject: Re: HW communication debugging interface - ideas? Date: Mon, 5 Oct 2015 17:18:21 +0200 Message-ID: <20151005151821.GK2278@nanopsycho.orion> References: <20150930135141.GF2098@nanopsycho.orion> <9B0331B6EBBD0E4684FBFAEDA55776F91944E43E@HASMSX110.ger.corp.intel.com> <20151005095633.GE2278@nanopsycho.orion> <20151005144941.GC8673@lunn.ch> <20151005145542.GJ2278@nanopsycho.orion> <20151005145842.GD8673@lunn.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Rosen, Rami" , "davem@davemloft.net" , "netdev@vger.kernel.org" , "eladr@mellanox.com" , "idosch@mellanox.com" To: Andrew Lunn Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:37707 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751409AbbJEPSZ (ORCPT ); Mon, 5 Oct 2015 11:18:25 -0400 Received: by wicfx3 with SMTP id fx3so119481682wic.0 for ; Mon, 05 Oct 2015 08:18:24 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20151005145842.GD8673@lunn.ch> Sender: netdev-owner@vger.kernel.org List-ID: Mon, Oct 05, 2015 at 04:58:42PM CEST, andrew@lunn.ch wrote: >On Mon, Oct 05, 2015 at 04:55:42PM +0200, Jiri Pirko wrote: >> Mon, Oct 05, 2015 at 04:49:41PM CEST, andrew@lunn.ch wrote: >> >> >Are you referring here to messages of the EMAD protocol ? >> > >> >I know nothing about this protocol..... >> > >> >Does it at least use standard Ethernet framing? Source and Destination >> >header and an EtherType which mean EMAD? >> >> Yep, but that does not really matter. I believe we should find debugging >> interface which is protocol agnostic. Just arbitrary messages >> monitoring. > >Hi Jiri > >O.K, it is just that you mentioned wireshark. Passing the frames to >network interface taps would make this trivial. That is true. But using netlink+nlmon would do the same.