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=-8.1 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,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 63FE4C4742C for ; Mon, 2 Nov 2020 20:51:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C52020657 for ; Mon, 2 Nov 2020 20:51:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hFPFnWeA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726864AbgKBUvl (ORCPT ); Mon, 2 Nov 2020 15:51:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726945AbgKBUoa (ORCPT ); Mon, 2 Nov 2020 15:44:30 -0500 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89C38C0617A6 for ; Mon, 2 Nov 2020 12:44:30 -0800 (PST) Received: by mail-pl1-x643.google.com with SMTP id w11so7424607pll.8 for ; Mon, 02 Nov 2020 12:44:30 -0800 (PST) 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=gB0p33pgzGNNsw2aXKYvPLwWgY4mdMPfvyKiVdGX/Bc=; b=hFPFnWeAxH/KO6KEk5QAzDsFU/7EqBJ2gTgwDde2lYwkMw19f6z7fjWQCIqsAXeHx/ tYEF9QVeyEyukbuiIJCoIrQGaJJ44WCx8SVYxMea1b4K6LgOu/IvrIH3w+oIhrP4VsJz rKMBw4f63GhTiGPI/ILnHh+5zaT7TmVnV4esrgfVlooKcFd6dUZqs8j5Ixqszke/H9DL FmtqiJ7XOqx3ZFv3XVabcDt9mA5WvDHV2MY82nKwXpVgw1WgGXOFuYUoEBcQMLrJITzZ 2wCg3ciql2K9ZE20Xzaahv/McDCzXZHfi6ZLYRBd6A5gm0vfePz1APtRismO99zz/XJd fWyA== 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=gB0p33pgzGNNsw2aXKYvPLwWgY4mdMPfvyKiVdGX/Bc=; b=ByqeNNe18xTCET8tr7h7VY+QrXrijGne+W+X2Llz1ZYucdRi6Mc/CqeZXnCa7XDdq+ RL4DGM4WdhYgAxxLotyYHK1e+xkU+th0e05WY7MMKUxtUV5hDgdM7jaJk6kU9W4d8k12 BdHRoRnQAcANbRqkrhQe3UFfE5NdRc1evtmjzOqAhcxmTV0NqufkNOBuyGhvFqc1hLG4 RMep0231Cak/dcQJxfZX4nSeP9fQ5IUx3OYJmgCs9LJPUokEjn38aX0BzDtyGo8X+sJh ryNKQ2F+rGQ3lXp0BeLaHfrdvQdENi0q5GWZkp+ZaCLn9Q/1i+op6WBsWQYnWdH9aYSS Ntow== X-Gm-Message-State: AOAM532ahNlGEXJJSzLC6iPrnZUL+FKMXUOErHmRIPUzzDmfoy+eWjLw NDOlcB2JwucjXRQmqrs1YD4= X-Google-Smtp-Source: ABdhPJzoDxfjTTYX+MIuewKvT6SyCjwXp6+1iSLT8rxGxAG4mcSn99q83vVA3sW/iXS3DRP5U8FvwA== X-Received: by 2002:a17:902:fe0f:b029:d6:cf9d:3260 with SMTP id g15-20020a170902fe0fb02900d6cf9d3260mr5527630plj.3.1604349870138; Mon, 02 Nov 2020 12:44:30 -0800 (PST) Received: from [10.230.28.234] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id b16sm14745609pfp.195.2020.11.02.12.44.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2020 12:44:28 -0800 (PST) Subject: Re: [PATCH v3 net-next 03/12] net: dsa: trailer: don't allocate additional memory for padding/tagging To: Vladimir Oltean , netdev@vger.kernel.org Cc: andrew@lunn.ch, vivien.didelot@gmail.com, kuba@kernel.org, Christian Eggers , Kurt Kanzenbach References: <20201101191620.589272-1-vladimir.oltean@nxp.com> <20201101191620.589272-4-vladimir.oltean@nxp.com> From: Florian Fainelli Message-ID: Date: Mon, 2 Nov 2020 12:44:27 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201101191620.589272-4-vladimir.oltean@nxp.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 11/1/2020 11:16 AM, Vladimir Oltean wrote: > From: Christian Eggers > > The caller (dsa_slave_xmit) guarantees that the frame length is at least > ETH_ZLEN and that enough memory for tail tagging is available. > > Signed-off-by: Christian Eggers > Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli -- Florian