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=-2.7 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,SPF_HELO_NONE,SPF_PASS 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 CCF59C433B4 for ; Mon, 12 Apr 2021 16:50:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB8B7611C9 for ; Mon, 12 Apr 2021 16:50:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244789AbhDLQvO (ORCPT ); Mon, 12 Apr 2021 12:51:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245760AbhDLQl4 (ORCPT ); Mon, 12 Apr 2021 12:41:56 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7683EC06123B; Mon, 12 Apr 2021 09:32:27 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id s14so2080895pjl.5; Mon, 12 Apr 2021 09:32:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=8z+/ms9HXXuc1u59TPf3kgky3kvFQaPstoWisAaXMAg=; b=GheD5xk6FCX0Y3/HoHa1l6VnTCdijSOTbozl3pVjfAakw4z8Yx4yOk5DkGxIGMAsns sqCXNRWBgE/wFdwUAstG39HV71yl0aiKw/UfJR98CnqAQYvrUqY2b4V26E8w7xu+B3os TN0R0pPyWAo9NwepW36QyckWHZokzXBsmX6kVl8VCxVviPy0ZksmtWYp0F/YNnpMaykK nkEU2ITHRX5rt9tdCGEanffiie6HJzBxWPTzC3nvx7wmpfZxR2Ydpa05LMtXDHyE+sjZ eqE94OaG+Y6bnoF8ee1Pleh1cqlJPoiWaWlxCfabUsqLQRT1C9vLeEX9LqQ7eZHZTfNz pO1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=8z+/ms9HXXuc1u59TPf3kgky3kvFQaPstoWisAaXMAg=; b=DMJ32vlGWkIsNEF7S/+1wVricCNtDb9qvi4Dmt2lZlko1G2qUL+jeGpKNvL0zP/xTs xhl+igUsHjmjZIpCOG5bDe4p8TW5gREc+iehoykDchMagUeUFFKRgz+iyATOLtugeTCT RQgPg4IjVrVIZPB4k3dttfvm7h7nkREjDytK/Vf4KcQAlkPPhI4Mrecq6oOpPGpme29z Isznf4RVR3DqEGB58hx4ln0sdeX+IODYhjAhQth9wglMbQRqpzIxh0UZ3jSXOP5hzQk4 Jzl4GxyyFDLgTBpUx2Znyxzvf9b+TvbIvlwTqAI69Z7m1UGZPab+h7xt0PC4TpKy36+b Xuqg== X-Gm-Message-State: AOAM530wE0f9PdWCwU6sSbZNYRoi29SBfPn8UgIewkCA7ptC6N5IdVy0 r2dRLOAtW8fiC2Mc6YFJz3c= X-Google-Smtp-Source: ABdhPJwhcgI9IeGvhjgoT4tAqP4AX2pjomksj/ek+5xymVy4vfiUsqxODG3qwUQsULA7bFo5zMt0aQ== X-Received: by 2002:a17:90a:8815:: with SMTP id s21mr29369762pjn.200.1618245146911; Mon, 12 Apr 2021 09:32:26 -0700 (PDT) Received: from skbuf (5-12-16-165.residential.rdsnet.ro. [5.12.16.165]) by smtp.gmail.com with ESMTPSA id e11sm9725487pfv.48.2021.04.12.09.32.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Apr 2021 09:32:26 -0700 (PDT) Date: Mon, 12 Apr 2021 19:32:11 +0300 From: Vladimir Oltean To: DENG Qingfang Cc: Marek Behun , Ansuel Smith , netdev@vger.kernel.org, "David S. Miller" , Jakub Kicinski , Andrew Lunn , Vivien Didelot , Florian Fainelli , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eric Dumazet , Wei Wang , Cong Wang , Taehee Yoo , =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= , zhang kai , Weilong Chen , Roopa Prabhu , Di Zhu , Francis Laniel , linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC net-next 0/3] Multi-CPU DSA support Message-ID: <20210412163211.jrqtwwz2f7ftyli6@skbuf> References: <20210410133454.4768-1-ansuelsmth@gmail.com> <20210411200135.35fb5985@thinkpad> <20210411185017.3xf7kxzzq2vefpwu@skbuf> <20210412150045.929508-1-dqfext@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210412150045.929508-1-dqfext@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Apr 12, 2021 at 11:00:45PM +0800, DENG Qingfang wrote: > On Sun, Apr 11, 2021 at 09:50:17PM +0300, Vladimir Oltean wrote: > > > > So I'd be tempted to say 'tough luck' if all your ports are not up, and > > the ones that are are assigned statically to the same CPU port. It's a > > compromise between flexibility and simplicity, and I would go for > > simplicity here. That's the most you can achieve with static assignment, > > just put the CPU ports in a LAG if you want better dynamic load balancing > > (for details read on below). > > > > Many switches such as mv88e6xxx only support MAC DA/SA load balancing, > which make it not ideal in router application (Router WAN <--> ISP BRAS > traffic will always have the same DA/SA and thus use only one port). Is this supposed to make a difference? Choose a better switch vendor!