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=-2.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham 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 A020FC43613 for ; Fri, 21 Jun 2019 22:09:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DC192070B for ; Fri, 21 Jun 2019 22:09:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="o65eU7i1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726141AbfFUWJs (ORCPT ); Fri, 21 Jun 2019 18:09:48 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:48452 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726017AbfFUWJs (ORCPT ); Fri, 21 Jun 2019 18:09:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=noal6GHI820xc2hIyBVZZOEwuVzPIcsq1ZVRxOSKR2w=; b=o65eU7i1C+7edpuOZx02q/iuL MqafjJR/04vthXUqtYoG/QwbfrQykQ7v5Jw+AYEggxbaDNtPGuv8Dm87N0c+wgma3qCSZxc8V8K8R e0lOUpeNmYYgf8X98iFOZ4MwpgDpGx0bfHOPhqFOK0iwjMfBbCGrv+DXnnwIsaBabE6yooVYamF0S eXiaH6hij/OxcpVHIA8sn4EO+enDaOKCFKo7I5PrfykdrcFNOvz10b3E8m0pdyXCV1honZ1U4B1Kd yVzrBY4hbQj9TerF2MxXYLktU7Vg23JXexa7GVFHxoz+H/xDZlc2l6VRCGyYA/9T9r+Q7i+jpKHOR /hIPlpHQw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:59872) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1heRj6-00080Z-Ab; Fri, 21 Jun 2019 23:09:44 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.89) (envelope-from ) id 1heRj3-0003c7-IV; Fri, 21 Jun 2019 23:09:41 +0100 Date: Fri, 21 Jun 2019 23:09:41 +0100 From: Russell King - ARM Linux admin To: Vivien Didelot Cc: Florian Fainelli , netdev@vger.kernel.org, idosch@mellanox.com, Jiri Pirko , andrew@lunn.ch, davem@davemloft.net Subject: Re: [RFC net-next] net: dsa: add support for MC_DISABLED attribute Message-ID: <20190621220941.zaqbaf4wpnxnvoy5@shell.armlinux.org.uk> References: <20190620235639.24102-1-vivien.didelot@gmail.com> <5d653a4d-3270-8e53-a5e0-88ea5e7a4d3f@gmail.com> <20190621172952.GB9284@t480s.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190621172952.GB9284@t480s.localdomain> User-Agent: NeoMutt/20170113 (1.7.2) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Jun 21, 2019 at 05:29:52PM -0400, Vivien Didelot wrote: > Russell, Ido, Florian, so far I understand that a multicast-unaware > bridge must flood unknown traffic everywhere (CPU included); ^ multicast > and a multicast-aware bridge must only flood its ports if their ^ unknown multicast traffic to > mcast_flood is on, and known traffic targeting the bridge must be > offloaded accordingly. Do you guys agree with this? I don't see a problem with that with the clarification that we're talking about multicast packets here. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up