From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47B12C433E0 for ; Fri, 15 Jan 2021 14:20:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15DDA2388E for ; Fri, 15 Jan 2021 14:20:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732582AbhAOOUW (ORCPT ); Fri, 15 Jan 2021 09:20:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731501AbhAOOUV (ORCPT ); Fri, 15 Jan 2021 09:20:21 -0500 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02EDBC061757 for ; Fri, 15 Jan 2021 06:19:41 -0800 (PST) Received: by mail-ej1-x62e.google.com with SMTP id ga15so13544191ejb.4 for ; Fri, 15 Jan 2021 06:19:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=4TsqQE7yk0QuUCQaSCKor5Gzz+dsIFwtHbAKqkNHbME=; b=g+I/dIZVGGEMQf/x02S1jnX7Gz7WZSH/qp7ALUhoztgDAdtrOSXP6DO6lQjvChUcoD Thx2rdP5PmWfGeKwygg5RH4B+Q5vAiOeN/+RLEEWPZeHepiSnnnlF45ANk6I5ggRtZ/0 XSUau5O9IN2MhxokjFUs5QkDpL5rHqXTzwPadXrAA2JN9fBmkUuF2KpkQrDYpwJ42MAW HC38z+l48md3uTVmI47HQrMn+oGpk4Cv/l4hVRqW53epAMg/n+Q/dRzUB3BzwbTmIYyn eGB3JvvJsvVxcKY+kgn3wq4ysISXiM/tZZZ/jbHEfq7l36qKPJy/IBe3E+SE69pdlffB lkbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=4TsqQE7yk0QuUCQaSCKor5Gzz+dsIFwtHbAKqkNHbME=; b=FtyGkz78TbsgrXJtKc0UTWGT9gmedjL2gopeewnjnZ4gNodyZRRNxGhV0xO5nViZui XZIEw8I72l54oOoe5EYFBv9CGgY/fEDOhNwPx3TiaygCAKRlfL1nGeXJd64w8UqhIBa0 dQyxYillMJ64UaQeqcU4/Mj/jn5OP0/lZsyzvjDEmeEZneYIwraZf9vN6+GiKDa1LltQ HplBd7X4xhqQ2NMPp2cfLk6OdO0JZcslx8PE8z9OvnHxjKkvMHG50xXE1u9DJsJV/9z5 BLfAdICRTDFyPg4hwdQLOlCHbJD5IHCs51e5BxVCWxyYT2hyuwiFS5sw/ln6o/JWlKs+ 7I3w== X-Gm-Message-State: AOAM533VbuEGMOjnvypdZes7Hu9UheOEEOCePVixPypqnMpRRVQIfzj5 Dx6F0wsCk0pyXw4MSGmds/trkA== X-Google-Smtp-Source: ABdhPJx0bV6REVytA35aXGOXUExmuG5P6U9MhicaG9m8bozw7/8guedFKj3B0vpXSVTmhoN+kh5w+w== X-Received: by 2002:a17:906:fb9b:: with SMTP id lr27mr9297735ejb.175.1610720378630; Fri, 15 Jan 2021 06:19:38 -0800 (PST) Received: from localhost ([86.61.181.4]) by smtp.gmail.com with ESMTPSA id t9sm3543694ejc.51.2021.01.15.06.19.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Jan 2021 06:19:37 -0800 (PST) Date: Fri, 15 Jan 2021 15:19:37 +0100 From: Jiri Pirko To: Jacob Keller Cc: Andrew Lunn , netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, roopa@nvidia.com, mlxsw@nvidia.com Subject: Re: [patch net-next RFC 00/10] introduce line card support for modular switch Message-ID: <20210115141937.GL3565223@nanopsycho.orion> References: <20210113121222.733517-1-jiri@resnulli.us> <20210114073948.GJ3565223@nanopsycho.orion> <35d85fb0-a3db-e0c4-ca5a-f3e962c3dfbf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35d85fb0-a3db-e0c4-ca5a-f3e962c3dfbf@intel.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Thu, Jan 14, 2021 at 11:56:15PM CET, jacob.e.keller@intel.com wrote: > > >On 1/13/2021 11:39 PM, Jiri Pirko wrote: >> Thu, Jan 14, 2021 at 03:07:18AM CET, andrew@lunn.ch wrote: >>> >>> I assume if i prevision for card4ports but actually install a >>> card2ports, all the interfaces stay down? >> >> Yes, the card won't get activated in case or provision mismatch. >> > >If you're able to detect the line card type when plugging it in, I don't >understand why you need system administrator to pre-provision it using >such an interface? Wouldn't it make more sense to simply detect the >case? Or is it that you expect these things to be moved around and want >to make sure that you can configure the associated netdevices before the >card is plugged in? That is what I wrote in the cover letter.