From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A31BE111B5 for ; Wed, 17 May 2023 16:53:40 +0000 (UTC) Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24C989D for ; Wed, 17 May 2023 09:53:39 -0700 (PDT) Received: by mail-ej1-x630.google.com with SMTP id a640c23a62f3a-966287b0f72so179527166b.0 for ; Wed, 17 May 2023 09:53:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684342417; x=1686934417; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=TOoUMKGS/ra1q+XSjrgibDITMni+gNWwNRNml9HVdz8=; b=NuZEC1+gjw9v/sxxRZfaXtyIZSr+K2lwjeafhZcRd45GepeWLalpe0xK9aBhSat6BZ CdrRMgwrzlEbBTzYaYCBWA7eKCw25Q0cylxhU1bkZDOMt8LPYgkvEfJKSfHjwQqRoybO C36cbsqVytWJNZGWW3DMTBgWvL69m599l+g6cbKhycVFh9m5RYh9VInUwTWl7Mh2AyhU nOGhKrOakYtkzXWkWr+4Xt/qFfWuAWbl1XhRfF/l01TMkFSCA7d8pNl+BL7fpGk3R4sU YezuefNsucKC0MwrnPGvs0mU4Mk+eUnty7bNnHLPrdg+VYySb1AHropyziDXgriX86/W iiGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684342417; x=1686934417; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=TOoUMKGS/ra1q+XSjrgibDITMni+gNWwNRNml9HVdz8=; b=AdB91O/10oqfNqbBR//i9vZAIJGEGRYA9m75cNuO0aYToVIWQHheoHQhDvLkCt52QN d7YpuAumC/ukU1SYtStpSmrA/j0paD/w9fcu/Cd0CdVLvE6r0MqRQEvwy4vHA5YZgE4S 29lyjjM8GlJH2CsLCDh7vDC799IhNTcP/qA3csiV69ABxHEx52oGts2ixGito7HdUZEE e+ezcXTtRXZAM+C1by52JcLx2IdN68H40/RXBI9pPqBCL6ggmDrNAhX/ompujppDli5A 5tQf9ZC049v7qQlcmYh2j/v8+q9aJPTOANZ9Rq/qRISBTGNjriFZ5/2m04/UPtNakeUZ SJCA== X-Gm-Message-State: AC+VfDydY/4RaOVHbfUB4cli9BR+UO3QH0wAxMwtHLChDyblE4SenPer 3klcedZozG9dx1x9j6fuhLs= X-Google-Smtp-Source: ACHHUZ4QiGCK7cKLkYhMV7LDrzY64kTDU9UWAG0HjCrdP07APwUpb020ZMfltDOWmMOH/K5vX73luQ== X-Received: by 2002:a17:907:74c:b0:953:37eb:7727 with SMTP id xc12-20020a170907074c00b0095337eb7727mr41652845ejb.43.1684342417426; Wed, 17 May 2023 09:53:37 -0700 (PDT) Received: from skbuf ([188.27.184.189]) by smtp.gmail.com with ESMTPSA id hg8-20020a1709072cc800b00932fa67b48fsm12466088ejc.183.2023.05.17.09.53.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 May 2023 09:53:37 -0700 (PDT) Date: Wed, 17 May 2023 19:53:35 +0300 From: Vladimir Oltean To: Tobias Waldekranz Cc: Andrew Lunn , Fabio Estevam , Florian Fainelli , Steffen =?utf-8?B?QsOkdHo=?= , netdev Subject: Re: mv88e6320: Failed to forward PTP multicast Message-ID: <20230517165335.o2hvnz7ymi3nh7sy@skbuf> References: <7b8243a3-9976-484c-a0d0-d4f3debbe979@lunn.ch> <5e21a8da-b31f-4ec8-8b46-099af5a8b8af@lunn.ch> <87pm77dg5i.fsf@waldekranz.com> <87wn1foze1.fsf@waldekranz.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Tue, May 16, 2023 at 03:10:00PM -0300, Fabio Estevam wrote: > Hi Tobias, > > On Thu, May 11, 2023 at 8:56 AM Tobias Waldekranz wrote: > > > I imagine that if you were to open a socket and add a membership to the > > group, the packets would reach the CPU. What happens if you run: > > > > socat udp-recvfrom:1234,ip-add-membership=224.0.1.129:br0 gopen:/dev/null & > > > > Can you see the PTP packets on the CPU now? > > Yes, this seems to do the trick! > > After adding a membership to the group, I don't see the PTP traffic > getting blocked anymore on a VLAN-aware configuration. > > I will be running more tests, but this seems to be very promising. Slightly unrelated to the original topic and probably completely unrelated to Fabio's actual issue. I'm completely inapt when it comes to IP multicast. Tobias, does the fact that br0 have mcast_router 1 mean that the CPU port should be a recipient of all multicast traffic, registered or unregistered?