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,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 45764C55179 for ; Mon, 2 Nov 2020 20:44:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DEA96206E5 for ; Mon, 2 Nov 2020 20:44:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ljY7MzoN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727177AbgKBUoP (ORCPT ); Mon, 2 Nov 2020 15:44:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727175AbgKBUoN (ORCPT ); Mon, 2 Nov 2020 15:44:13 -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 0615CC061A47 for ; Mon, 2 Nov 2020 12:44:13 -0800 (PST) Received: by mail-pl1-x643.google.com with SMTP id b19so7442532pld.0 for ; Mon, 02 Nov 2020 12:44:13 -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=ljY7MzoNyPyohpuFuyzwS9GKztfvtS77MDJXutumvwq2Nf1aaCjfnAWec1r7A1qDva wA4Yl8mRcRTVBr4yZH2kdKoUQsyBz8bCvTYgU8G58evfDjxjTlSRHUrauhdd/mGkJCKa 4IAjXOspA8M+LHV5WfhP7wM0FzUVGRVLlO6OjIj8FewYQq5f14WIXPFtnKfalForT9Ux oVSjNCbQNbvrO+HEMESmB0fT1OenyK9PCEOZ9dDNyAp6ijKyfxCdgMaHmRfSUIt/QZnh S1OXS8WGWZGM0ikQaFWwpYldXzQt5bKInkoptLWiLyM9nHoZ3WxhXp2OCTqsw7jFiEeC Ea+w== 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=hLjfgPlUBeuftcVFEWKunFzemKuiQHgrc9ijzyk57gTrhb4zcR1CbPn3WPDhfF4ayZ 4SGvWQJSN30nJB6Cs/CcCmct1zo/gwYqPwCbXhyHWoX6xS472cUxyx7+DXYcQ6bz+Gw7 E8QlZGTDWgxfZAH4g6JY6cSxez+Qrlgyy98LfyGeLz/I+/kvQU04I0nOKVNv3wcolllv 9Q3Pj8CAucmOuDnMQp6aH9lEzbwYI1256Wl8a7PpJrmrrqXo4RitX/CgpqbfhPXruCHR DZBC9FG14J0KVHFTYC42GuaD0Vjr56+FRZfeaYDDziIE9Dizkr1lJ5Ttz8MDQmCbZo1H LG0w== X-Gm-Message-State: AOAM530BpVmHIi/FzpnwLJ/pI8XdNyXjLFE1VLTkURJtrpQ2O2E/HYCu BkVF33NP7F5L8EHj16LyngldBzByzKk= X-Google-Smtp-Source: ABdhPJxjFRWokp+n2lCfhx+8i5NEY37sKYN4y4FV7pHlhtnw0ekMR3mOXxZHKHU07btH627aaT/q+w== X-Received: by 2002:a17:902:9890:b029:d5:e447:6b32 with SMTP id s16-20020a1709029890b02900d5e4476b32mr22214728plp.51.1604349852569; Mon, 02 Nov 2020 12:44:12 -0800 (PST) Received: from [10.230.28.234] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id i10sm5140997pfd.60.2020.11.02.12.44.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2020 12:44:11 -0800 (PST) Subject: Re: [PATCH v3 net-next 02/12] net: dsa: tag_ksz: 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> <20201101191620.589272-3-vladimir.oltean@nxp.com> From: Florian Fainelli Message-ID: <6ceb6d0b-b36e-c23b-a97b-58ccf2da717a@gmail.com> Date: Mon, 2 Nov 2020 12:44:10 -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: <20201101191620.589272-3-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