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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D535DC4332F for ; Sat, 10 Dec 2022 00:08:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229828AbiLJAIF (ORCPT ); Fri, 9 Dec 2022 19:08:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbiLJAID (ORCPT ); Fri, 9 Dec 2022 19:08:03 -0500 Received: from mail-qv1-xf30.google.com (mail-qv1-xf30.google.com [IPv6:2607:f8b0:4864:20::f30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF8E02FBE0 for ; Fri, 9 Dec 2022 16:08:02 -0800 (PST) Received: by mail-qv1-xf30.google.com with SMTP id i12so4164525qvs.2 for ; Fri, 09 Dec 2022 16:08:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=JGohJnbmLGZZUdmCKr1mOIe3CVpGMmtFLNYoDwB+tKA=; b=D+sRxG4yq+fCE+2JSNCD/SPbd8ZLaemIezhvhsINHKhI+W5RHssxRuhdx/K/aB9VZk NYYcHNsNu+fL4ZcF33kZg/qJs4K94QE9gd2LwSwNHQAq7z4JbNqD5jL7CFz0HCbVsn64 2atXDV9KZ3tjhPPM9hBMdJt+oUiGSfTCxpSwumLhrcIqbRFCUxyKtMRMXEQmr+PFv1wt rhBPcaIVdejpV4MKxZt8x6nKYipbeQGJWiEdPPnX02fRAbRlYJjXpR0vmbDMj6t0QXBJ FLNrZivbMN3z2PUTeCbVhdFGkjLpgXva30p+GpHlkQrJTMbQD3XrsFpOLKuAnhRCFmgv 2JZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=JGohJnbmLGZZUdmCKr1mOIe3CVpGMmtFLNYoDwB+tKA=; b=QKXfFI1duTU8pmpYaj9uU/Vbb8Ymqox00VpdWBQt+Z5bCN8O5a5i2xtMN7JiSRSIEt ds97qkwi+UzY0oPm1XYl8OJ2oHTNoUmMIkIHybYjQGH65w+ba6oQopvmZSr7lZLmTDDK kdlLsorT2+7e/lD+4ZQhpe+k+gTNKuNYX2aYKusB6A4eSOynntfB/xiuD0K2dzE+8t4i x7d4Q2ilF/w/MqlLnQnQLTKv0DgY7YnWa36FcoHki2Mekaw1/nm5O7uG3BToyvbkDj64 u+HU4zTYMvxswoOfVRJXKZ21utZ5my8Z6Ru3WPHanJ+fMZPRjQ6IuBETud3ecVNkuu2s j3Ug== X-Gm-Message-State: ANoB5pludoZRGsZpVCyZ1+1jdH+w5PuAOHQ2q3J+Tcy35/GL5gxVlyuC nz3qgZSt6r62vUujQ6DputA= X-Google-Smtp-Source: AA0mqf7IVKhTQqu+gtAkV1Hvc7xUT3+Qv4lsMbOqQujGrp3VIiyL+jIdA4o+cjSZKzxMT6PtX4DAfw== X-Received: by 2002:a05:6214:1c1:b0:4b4:a3d6:7c16 with SMTP id c1-20020a05621401c100b004b4a3d67c16mr10552625qvt.46.1670630881789; Fri, 09 Dec 2022 16:08:01 -0800 (PST) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id h19-20020a05620a245300b006cebda00630sm993803qkn.60.2022.12.09.16.07.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Dec 2022 16:08:01 -0800 (PST) Message-ID: Date: Fri, 9 Dec 2022 16:07:55 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v2 net-next 4/4] net: dsa: mv88e6xxx: replace VTU violation prints with trace points Content-Language: en-US To: Vladimir Oltean , netdev@vger.kernel.org Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Hans J. Schultz" , Saeed Mahameed References: <20221209172817.371434-1-vladimir.oltean@nxp.com> <20221209172817.371434-5-vladimir.oltean@nxp.com> From: Florian Fainelli In-Reply-To: <20221209172817.371434-5-vladimir.oltean@nxp.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 12/9/22 09:28, Vladimir Oltean wrote: > It is possible to trigger these VTU violation messages very easily, > it's only necessary to send packets with an unknown VLAN ID to a port > that belongs to a VLAN-aware bridge. > > Do a similar thing as for ATU violation messages, and hide them in the > kernel's trace buffer. > > New usage model: > > $ trace-cmd list | grep mv88e6xxx > mv88e6xxx > mv88e6xxx:mv88e6xxx_vtu_miss_violation > mv88e6xxx:mv88e6xxx_vtu_member_violation > $ trace-cmd report > > Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli -- Florian