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 201E1C4338F for ; Tue, 10 Aug 2021 09:43:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0990C610A4 for ; Tue, 10 Aug 2021 09:43:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237358AbhHJJoS (ORCPT ); Tue, 10 Aug 2021 05:44:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239303AbhHJJoM (ORCPT ); Tue, 10 Aug 2021 05:44:12 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B0E4C0613D3 for ; Tue, 10 Aug 2021 02:43:50 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id l11so8587715plk.6 for ; Tue, 10 Aug 2021 02:43:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=HuDel8ayMwuZGcNVC/Xca01aagp05sJ/uzkjO6nmwrY=; b=MfmFVDcau+Ht5MC0Z11A0Lodc1upVa5x8ongdWS8TE8tjKiQLuzuK0pn8mBCNzIfSI qs5dNWnAfz2I+dUz6znusiGsfKJ7BDJMNJJqNHtjgPgDuOz/w6QTWaycta6RfSaj5fJd xRELdlQj1pSRQzr80J9k4mya1b6nFDdCC1Y7iw8GO8T31QuclJkAvIMX521fpn85ZBU9 FZJOhHVQgXcQmfBRdZHxeYjK0v6CfHTqslJchOvJxdxdb8QzvGcT/6Rqkrmf2JcIGtd8 Wk6mB9mSaA1A3L0d8p7I/YpIoBt259/YJdwN1q0JP7svIeqbfMiNa3IMTA8NHqiRtn/+ U/cw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=HuDel8ayMwuZGcNVC/Xca01aagp05sJ/uzkjO6nmwrY=; b=kQv9ovulDCJdS7qXVnMJNCC1ll0xXAmJ5VEb2RE3xxgM9XqZUzR7tjBH3ffnysmZRG dxCNsEvuIHgcf1zlg7DCFT2QqG+jTGwCQG4eJYnYhb8f/Jo1T5urhpH8EqWDWC8OwiSX e+QvwCpQC8GzFEQzpkiaCaWbf0zFy6mX+UF9nwsZfQ/IcOPdAMfqFftM6e8StM2vzull rUq1RcnYDkZohLII0sgb8cLmLfjfPb/WNcO9pdq61peMueeUR5UPMtAZ0vqBfDa2YZ2M ZKJmAcZP5ziQBbrLCx0RabvqgHtcISzmGdaDbOl3KOQyHmY/OCVeplFOZDB3xxRs5ymI dosw== X-Gm-Message-State: AOAM533S3NSI1y+SiDJnK5zpqrzGWrXACKpY9tJ/97nADQz8tnOBgm9l rUmMwo3aF6WyBHBc2yIiEKw= X-Google-Smtp-Source: ABdhPJyYxxRshDihijJiBRh2viwhTJjaq/7HY4JjQ/hF2XykKb5wH9QSzJq7MDY2D/2Z/D0DzVB3HQ== X-Received: by 2002:a17:90b:228c:: with SMTP id kx12mr30807002pjb.38.1628588630078; Tue, 10 Aug 2021 02:43:50 -0700 (PDT) Received: from [192.168.1.22] (amarseille-551-1-7-65.w92-145.abo.wanadoo.fr. [92.145.152.65]) by smtp.gmail.com with ESMTPSA id h11sm11561709pfv.154.2021.08.10.02.43.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Aug 2021 02:43:49 -0700 (PDT) Subject: Re: Bridge port isolation offload To: DENG Qingfang , Roopa Prabhu , Nikolay Aleksandrov , David Miller , Andrew Lunn , Jakub Kicinski , bridge@lists.linux-foundation.org, netdev , Vivien Didelot , Vladimir Oltean References: From: Florian Fainelli Message-ID: Date: Tue, 10 Aug 2021 02:43:46 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 8/9/2021 9:40 PM, DENG Qingfang wrote: > Hi, > > Bridge port isolation flag (BR_ISOLATED) was added in commit > 7d850abd5f4e. But switchdev does not offload it currently. > It should be easy to implement in drivers, just like bridge offload > but prevent isolated ports to communicate with each other. > > Your thoughts? It maps well on Broadcom switches but there was not a known use case AFAICT that warranted mapping this flag to program the switch hardware accordingly. -- Florian