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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 29714C433E0 for ; Thu, 18 Mar 2021 14:37:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D746764F01 for ; Thu, 18 Mar 2021 14:37:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231289AbhCROgf (ORCPT ); Thu, 18 Mar 2021 10:36:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231431AbhCROgF (ORCPT ); Thu, 18 Mar 2021 10:36:05 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B87ADC06175F for ; Thu, 18 Mar 2021 07:36:04 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id h10so6905330edt.13 for ; Thu, 18 Mar 2021 07:36:04 -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=w2sWdzGJ3EWNxSl9W9d0H2v7XvjGvyXXSEmkHLFffWM=; b=J2OQisc1dNNYiRurR0M/NJZPIe+CAoQE4EKQjiYIa4iqt/GWSRHtUCN8B24h/753kz L68D+1ruXTjXrU+Rxbqc4U1mi6Fz05p3nrH0VtdmEoxPsEIWmIf6f0Mz0jdZj93X1S4U T/cMr4cABYZgvkBY00pz/D8YMwj46uNDPS3m5t6hBmLTg/AmZ9BbhSDY2ydKqtMYpZpO qEWcLqyPgJI4/4+v1Sk7wfVglk9YQXSqEr3ByTtTDZ097Z0ZLCwE8lMqtoRVD7fSZZbv zWEGBsJ4HHicKv9k9gZBZno85skPgEuUB4elgs5XVe/hZ6MzhdUsE38BaZxjcHs9WWbA qGtQ== 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=w2sWdzGJ3EWNxSl9W9d0H2v7XvjGvyXXSEmkHLFffWM=; b=UWp60nOuAxDJrnYDHTd2gd/mwVkHoZ/NVedNsPks/9DgtAtCJLrwaJuJYhByRaOYP8 0ZKg7yBN7NP2lmYYLwRK9llxD+02+5AmO1DbHiTmhfyr7ZkzfY4G1l4b08WdQsamGwzf CNGNpXWc3+3zkBiE8Wgn/KB/46fX0VlbZ+HUYoksrp5S2WiiX9dj/Zf/bAx2DXD29c4U iOVRHC6KO8fl5sUxS6Va4IEIMDIuQ5U+G3HJdawioUumn/CY5I7sHtjSMfNHxRrMZ3Fh wnp6EODiiOIcz0r3+c0ckGsEMS1Vehk7RxRASuzo6TmbMEHc8nUlU402RQFBcPFJWNaA CZUg== X-Gm-Message-State: AOAM531QK/yN0xl3F78MjMbfTj5OY5Gyd/w39ugZu+vE7/psJne9t1ZF zGzN/yFnwioZH9NPwrWiFHc= X-Google-Smtp-Source: ABdhPJwTExHenTyDD0Gvf+/UqI4VW/hJXp88O1ZZrFPF3rMB3E0VaA5isca4IRngnZGgrEBpmuA/yw== X-Received: by 2002:aa7:d987:: with SMTP id u7mr3979160eds.326.1616078163537; Thu, 18 Mar 2021 07:36:03 -0700 (PDT) Received: from skbuf (5-12-16-165.residential.rdsnet.ro. [5.12.16.165]) by smtp.gmail.com with ESMTPSA id f21sm2038749ejw.124.2021.03.18.07.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Mar 2021 07:36:03 -0700 (PDT) Date: Thu, 18 Mar 2021 16:36:02 +0200 From: Vladimir Oltean To: Tobias Waldekranz Cc: davem@davemloft.net, kuba@kernel.org, andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, netdev@vger.kernel.org Subject: Re: [PATCH v2 net-next 2/8] net: dsa: mv88e6xxx: Avoid useless attempts to fast-age LAGs Message-ID: <20210318143602.nxx2nprfgv5zawyf@skbuf> References: <20210318141550.646383-1-tobias@waldekranz.com> <20210318141550.646383-3-tobias@waldekranz.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210318141550.646383-3-tobias@waldekranz.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 18, 2021 at 03:15:44PM +0100, Tobias Waldekranz wrote: > When a port is a part of a LAG, the ATU will create dynamic entries > belonging to the LAG ID when learning is enabled. So trying to > fast-age those out using the constituent port will have no > effect. Unfortunately the hardware does not support move operations on > LAGs so there is no obvious way to transform the request to target the > LAG instead. > > Instead we document this known limitation and at least avoid wasting > any time on it. > > Signed-off-by: Tobias Waldekranz > --- Reviewed-by: Vladimir Oltean