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 9B915ECAAD1 for ; Thu, 1 Sep 2022 13:17:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233561AbiIANRU (ORCPT ); Thu, 1 Sep 2022 09:17:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233491AbiIANQz (ORCPT ); Thu, 1 Sep 2022 09:16:55 -0400 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67C6861B3F for ; Thu, 1 Sep 2022 06:14:37 -0700 (PDT) Received: by mail-ej1-x62b.google.com with SMTP id fy31so34203849ejc.6 for ; Thu, 01 Sep 2022 06:14:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc; bh=4rsybKrQiashqhTnqHlsum4z3X90DA4xs4The9XwdoE=; b=JRAKih8Pik2JzsdJLFYkRq3Jhf47Nf3BhT/Jz9HC/snLmtLQLZASzBFCmFM4icPcH8 lsB1jx11TpSYg1PEcaNwXuXxGLSZIk5YflTcUpk1IcGso7dQ7P97R5XiSjU3hcKh0u0n vO3xUyrtpoPnSod+VfB08brO1iTIjQCVO5eGtXn1os6MQt8OhBW21MAmj5TNY25OIop0 SRTLWX9DwGyXddj9Usa7dn0roLsBULDJb6O38dh7zWSl6nUPjJZUx3YlEIWAWMd4zL9E ZAnxqdB98+sIQyO9i7Aw7//3vy4nUxMSp5tOTVl7BHIe2dc/TZn8VKmnKLp9pyOg8HKc KWwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=4rsybKrQiashqhTnqHlsum4z3X90DA4xs4The9XwdoE=; b=gu8kcuwSqvhrr1B+n/SjEg3kSfSI+uMXbWYJ59fbFFetlxjqSoIC1sDyWq/Tso8fs5 L/Ba5gJ481uId5AGp6jthaGt1tSQexyFtoM9v/QpQmbdcq5WvHqTkyiBMcn8RsCzxchR uBOZK2ERyC8NEABgb18Cd90QrtwaGvOu3//Yxep5YOSp/ThVqO9q6D0Cu+uvhC+bOmyC iT961Uswn2GM0sXRlgptRnHnAQhrKkeIdJiJk8C2JVclbuCKC7NEXOWQ79dgLsSkKQ0z lrD1Y25Edv2GVflp76DfP1bNCXU4GYQYnwtcgmnqtDBcOUKpxrZfD2Od76foStMp50t7 ff8g== X-Gm-Message-State: ACgBeo2bJFzC5UH+9FTaVyiHh/EKGZa8S2EGRy4EFCVdodRuDc+Uy8ue sAL+7Zn8P+urf3IJYnnGCVg= X-Google-Smtp-Source: AA6agR6yEV8zLDu8tIv6TniBf6P3AjzYXtuUMr9pmejH1e2Hoa0bR3v6ce1yHm6xC5M0k0HiaVJQ0A== X-Received: by 2002:a17:906:9b09:b0:741:879e:fa with SMTP id eo9-20020a1709069b0900b00741879e00famr13181988ejc.573.1662038067901; Thu, 01 Sep 2022 06:14:27 -0700 (PDT) Received: from skbuf ([188.27.184.197]) by smtp.gmail.com with ESMTPSA id bt21-20020a170906b15500b0073dbc35a0desm8484652ejb.100.2022.09.01.06.14.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 06:14:26 -0700 (PDT) Date: Thu, 1 Sep 2022 16:14:24 +0300 From: Vladimir Oltean To: Mattias Forsblad Cc: netdev@vger.kernel.org, Andrew Lunn , Vivien Didelot , Florian Fainelli , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: Re: [PATCH net-next v2 2/3] dsa: mv88e6xxx: Add support for RMU in select switches Message-ID: <20220901131424.ovcsvffyjk7c5jqf@skbuf> References: <20220826063816.948397-1-mattias.forsblad@gmail.com> <20220826063816.948397-3-mattias.forsblad@gmail.com> <20220830163515.3d2lzzc55vmko325@skbuf> <20220830164226.ohmn6bkwagz6n3pg@skbuf> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Sep 01, 2022 at 11:05:37AM +0200, Mattias Forsblad wrote: > Would this work on a system where there are multiple switches? I.e. > > SOC <->port6 SC#1 <->port10 SC#2 > > Both have the same master interface (chan0) which gives the same > cpu_dp->dsa_ptr->index but they have different upstream ports that should > be enabled for RMU. I think the answer to that is dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index);