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=-3.6 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 A78ADC433E2 for ; Thu, 10 Sep 2020 19:11:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B48E20882 for ; Thu, 10 Sep 2020 19:11:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oIdFvKgp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726167AbgIJTLG (ORCPT ); Thu, 10 Sep 2020 15:11:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726928AbgIJTIV (ORCPT ); Thu, 10 Sep 2020 15:08:21 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28243C061756 for ; Thu, 10 Sep 2020 12:08:21 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id q13so10317830ejo.9 for ; Thu, 10 Sep 2020 12:08:21 -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=KjSatM5fo5YsskcaA9AyBQVMuW8PO2eA24TlPUqAq20=; b=oIdFvKgpe9Of6pt5/YQ4eraQ2yCQxV0LBa39kNx8ldWaihQT5xDc7jm2cjM+e+wXDH pg3+mbhaf4NDwjhS8iyatM+NEYxjghvUSkR16KiQRfOM6cIC6gNwrpo1xepeKtw6dbKW H8Oyka9YOjGrR9vIPtDOZFZUeEdzqEJMwz+08196ovePJ8YoEv7jmlROpZIEV5Nr/Mty LvrMDJe6IIS2EZeWcDdYRb40BllbqOIlvRTs3JOcsijH/20GvbJ83jKnAV0WUvW4jvE7 0faIzPTtS01YobUtVwxBbdfViJ9JfgIKoCKvnMxRc1LSY3rspXFyor7aNy7PfCsz/F6j ihxg== 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=KjSatM5fo5YsskcaA9AyBQVMuW8PO2eA24TlPUqAq20=; b=jqmaEYGYsvGxvG0CbEmsWOtEOYOmRHXnopWoVrRsqq/6/WCXKKBB6qkbZnpHocpbXp 9Dk/pQ3iHZtQPFdM4+OXhJ65uYp9HQ2Yo1MZbJ973lKSD/HPfRcS26Vq64nAK2vDoYKr qUeZ2hJF2TIfDdDkyQ4t9CYzCjxv6Oz82CPwkRWtGOnV3+zohLjJnRDz2A+85Lqm7zHh i2GnfxYvft9YZ7S0SqguDj3dgQoHkKnRJpHce99ENxjPdVCF0TRT28ch2Txick+w0/aB YpzfthnulEOU30Ui4jzNKF9xvScest4N4KWq6BEDoiJnRe0rr83ZL8ndRCWh3j4xB0c2 qV4w== X-Gm-Message-State: AOAM533QSe65xGuJ6sgeXlEJdpr1f8C4cEvVvd498cod/P3B+zrlgS3d Wn+nzlo+AF3DA8kMbyxkKeo= X-Google-Smtp-Source: ABdhPJxc6hgMvs43h2FUpMH4Okn3Xticxta5LiCfCBmAcEwTpkMF5b46sO3ptYWkGUk4Fuh3hPPUyA== X-Received: by 2002:a17:906:2618:: with SMTP id h24mr9879976ejc.198.1599764899854; Thu, 10 Sep 2020 12:08:19 -0700 (PDT) Received: from skbuf ([188.25.217.212]) by smtp.gmail.com with ESMTPSA id v5sm8050939ejv.114.2020.09.10.12.08.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2020 12:08:19 -0700 (PDT) Date: Thu, 10 Sep 2020 22:08:17 +0300 From: Vladimir Oltean To: Florian Fainelli Cc: netdev , Andrew Lunn , Vivien Didelot Subject: Re: VLAN filtering with DSA Message-ID: <20200910190817.xfckbgxxuzupmnhb@skbuf> References: <20200910150738.mwhh2i6j2qgacqev@skbuf> <86ebd9ca-86a3-0938-bf5d-9627420417bf@gmail.com> <20200910190119.n2mnqkv2toyqbmzn@skbuf> <7b23a257-6ac2-e6b2-7df8-9df28973e315@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7b23a257-6ac2-e6b2-7df8-9df28973e315@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Sep 10, 2020 at 12:05:17PM -0700, Florian Fainelli wrote: > On 9/10/2020 12:01 PM, Vladimir Oltean wrote: > > On Thu, Sep 10, 2020 at 11:42:02AM -0700, Florian Fainelli wrote: > > > On 9/10/2020 8:07 AM, Vladimir Oltean wrote: > > > Yes, doing what you suggest would make perfect sense for a DSA master that > > > is capable of VLAN filtering, I did encounter that problem with e1000 and > > > the dsa-loop.c mockup driver while working on a mock-up 802.1Q data path. > > > > Yes, I have another patch where I add those VLANs from tag_8021q.c which > > I did not show here. > > > > But if the DSA switch that uses tag_8021q is cascaded to another one, > > that's of little use if the upper switch does not propagate that > > configuration to its own upstream. > > Yes, that would not work. As soon as you have a bridge spanning any of those > switches, does not the problem go away by virtue of the switch port forcing > the DSA master/upstream to be in promiscuous mode? Well, yes, bridged it works but standalone it doesn't. A bit strange if you ask me. -Vladimir