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=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 0CA27C47E48 for ; Wed, 14 Jul 2021 19:26:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6E26613C5 for ; Wed, 14 Jul 2021 19:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229657AbhGNT3C (ORCPT ); Wed, 14 Jul 2021 15:29:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229506AbhGNT3C (ORCPT ); Wed, 14 Jul 2021 15:29:02 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 057F1C06175F; Wed, 14 Jul 2021 12:26:10 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id 22so5455570lfy.12; Wed, 14 Jul 2021 12:26:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=5z77xaqgcAqQS574mQicaaSoe0tH1/ryQFhzvKaFXvk=; b=sGr1dk+k+2PVV6xOZ5MfjqYFVUsiyv0MiYKp670dHKV/DCcfb+1Mcy+z/ZCFOg0ISb OJdgw+OHPmhZ1iAHtoRJUvZ9SN/t+QD3JXgmsA1MWQjHce2Lxh1CGmuCDyT0BhjV+mJg P6Z6uXdK1TJxbHXluJl+8rGTaPpmW8x5tAIootQ2p4bz2KkiY7z9UoZr862s3wXwZJGX moyF6DRyj+HaCUO4DTcqb71L0l7a6Pw1vK7GIjf/xOBjic8h1Ed1NIcI5+94ptGzYlU1 aN3JN91moEPkObC7PMc8ygt2lMtHYVQ9aD0Tm+c4gfYJ8hOltXGK7Fuw16DotiZOzuA6 BJpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=5z77xaqgcAqQS574mQicaaSoe0tH1/ryQFhzvKaFXvk=; b=HWhcKSnau+6sTD2VcvKb3HHcifMRnoXJUCeoQR7+ru5A/WqckgqEa0N+xhzUbCfVh7 R8LQL4zkhlfueaP6VvEYHuwIh/nzvAzYaaw3HFhvay+VblZTgHsJuFoDgyEHEAhfdd5F WjVraWmOQ/Xfv7iuf6B6Ez9BbhT75Rk7Kg0rCBC/pTs88w8a0qQGEmG89/i+427KX5rm 5lwm7E9HVGYU3ftFA27MmxyHZpWq7jsNgHP0Fan8ooU58QaxKL5ruyrc+NyWpig15Pbp nKCsPzVSJzfmAxu5m9uid9tYw5XX0QPhE/phgVNpuhcE0GilpyP31Xv/Et8NrcQpkDPC 7vVA== X-Gm-Message-State: AOAM531UoxRhValRhkbJlY99oxBWyWVyJoJXfn09xFN40VuUqMNw+arF I2qcaYiTxGXsI9etCJowWxU= X-Google-Smtp-Source: ABdhPJwZ7ygrDubZJW72ZUOVUjXjqomTBBMDhWMnQmbE0RJPyTMKBV546hy4a+ClkkxW2tcgw7pAAg== X-Received: by 2002:ac2:4c49:: with SMTP id o9mr8961196lfk.212.1626290768377; Wed, 14 Jul 2021 12:26:08 -0700 (PDT) Received: from [192.168.1.102] ([31.173.80.53]) by smtp.gmail.com with ESMTPSA id e12sm357214lji.90.2021.07.14.12.26.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Jul 2021 12:26:07 -0700 (PDT) Subject: Re: [PATCH/RFC 0/2] Add Gigabit Ethernet driver support To: Biju Das , "David S. Miller" , Jakub Kicinski Cc: Geert Uytterhoeven , Sergey Shtylyov , Adam Ford , Florian Fainelli , Yoshihiro Shimoda , Andrew Gabbasov , Yuusuke Ashizuka , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Prabhakar Mahadev Lad References: <20210714145408.4382-1-biju.das.jz@bp.renesas.com> From: Sergei Shtylyov Message-ID: Date: Wed, 14 Jul 2021 22:26:06 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20210714145408.4382-1-biju.das.jz@bp.renesas.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 7/14/21 5:54 PM, Biju Das wrote: > The DMAC and EMAC blocks of Gigabit Ethernet IP is almost > similar to Ethernet AVB. > > The Gigabit Etherner IP consists of Ethernet controller (E-MAC), > Internal TCP/IP Offload Engine (TOE) and Dedicated Direct memory > access controller (DMAC). Do you have a mnaual for this SoC? I haven't found any... > With few canges in driver, we can support Gigabit ethernet driver as well. > I have prototyped the driver and tested with renesas-drivers master branch. > > Please share your valuable comments. Commented on the patch 1/2 already, will continue with patch 2/2 review tomorrow... [...] MBR, Sergei