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, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 A502CC00A89 for ; Mon, 2 Nov 2020 14:46:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6726C22453 for ; Mon, 2 Nov 2020 14:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725926AbgKBOqP (ORCPT ); Mon, 2 Nov 2020 09:46:15 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:58696 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725838AbgKBOqP (ORCPT ); Mon, 2 Nov 2020 09:46:15 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kZb5y-004pRV-Dp; Mon, 02 Nov 2020 15:46:06 +0100 Date: Mon, 2 Nov 2020 15:46:06 +0100 From: Andrew Lunn To: Xu Yilun Cc: jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, mdf@kernel.org, lee.jones@linaro.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org, netdev@vger.kernel.org, trix@redhat.com, lgoncalv@redhat.com, hao.wu@intel.com Subject: Re: [RFC PATCH 1/6] docs: networking: add the document for DFL Ether Group driver Message-ID: <20201102144606.GI1042051@lunn.ch> References: <1603442745-13085-1-git-send-email-yilun.xu@intel.com> <1603442745-13085-2-git-send-email-yilun.xu@intel.com> <20201023153731.GC718124@lunn.ch> <20201026085246.GC25281@yilunxu-OptiPlex-7050> <20201026130001.GC836546@lunn.ch> <20201026173803.GA10743@yilunxu-OptiPlex-7050> <20201026191400.GO752111@lunn.ch> <20201102023809.GA10673@yilunxu-OptiPlex-7050> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201102023809.GA10673@yilunxu-OptiPlex-7050> Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org > I did some investigation and now I have some details. > The term 'PHY' described in Ether Group Spec should be the PCS + PMA, a figure > below for one configuration: > > +------------------------+ +-----------------+ > | Host Side Ether Group | | XL710 | > | | | | > | +--------------------+ | | | > | | 40G Ether IP | | | | > | | | | | | > | | +---------+ | | XLAUI | | > | | MAC - |PCS - PMA| | |----------| PMA - PCS - MAC | > | | +---------+ | | | | > +-+--------------------+-+ +-----------------+ Thanks, that makes a lot more sense. Andrew