From patchwork Sat Mar 20 22:34:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 12152753 X-Patchwork-Delegate: kuba@kernel.org 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=-15.7 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,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 B414AC433E9 for ; Sat, 20 Mar 2021 22:37:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D24561933 for ; Sat, 20 Mar 2021 22:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230105AbhCTWgG (ORCPT ); Sat, 20 Mar 2021 18:36:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44090 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229946AbhCTWf2 (ORCPT ); Sat, 20 Mar 2021 18:35:28 -0400 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64403C061574; Sat, 20 Mar 2021 15:35:28 -0700 (PDT) Received: by mail-ed1-x52e.google.com with SMTP id j3so14928294edp.11; Sat, 20 Mar 2021 15:35:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UUgWwEswye+b4aK+2bQLBIyYwXBiDuUTJA+VOwNWdDg=; b=PDRmZMcSgapKHhYZ7/XzOm2AZoQBVGGqPPm+7Men9VPsp3L4NRNrAbOfhffpStXFgF ao31aEDiX4VkFAfJAVaYu/IJD5jhNxWXkoD274Wte4ccHVA14P3+2KZNA5je7plX9L2y Fetf4eoAmR8/O2PwdyOr+/DElxS6irjZh7y1UrtzcVbVxLfax3PI15q7wPvjfpzLos6R NKFQ/F7R4hX4w8Rl/2vcBI6vtX0zomXt8tyRjq4NVv2K1sLU7QVeClPV6mgqoUM46e5W NHh8/mvaWbzajoQAbWUvVVRK7LuAI+xcfY1p1ks0blYVBky5z12vb889cPlgCXEHWsnb eYqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UUgWwEswye+b4aK+2bQLBIyYwXBiDuUTJA+VOwNWdDg=; b=gUK0mZaYuyD5qM5daYTXrxxJ3mgVN5F4zrSIa1vv03j8+/foLWZKHUWICpIyp9Vn1x tDjgFd1PMHvIlKyAOFCisxflxU592yGtYb70lWiGdStVmQtuOnmJSiDZvxjXAbQTraO2 O4C6/3vFLV7zLenjyJ0tHGxXAyOUp2UlvgAvGsMNR/aRoEl0aVhqpflRKRW4i7QA2Sbn wZqZQnExxAYOlaa+PDBZZRdJni6PTczKJhs5KrwwTmeOApymTM3KYC+CWv8cXeQX9INj OnYa7kBQL3O7sGX5r++poXbOXoq+2T4LAV8mCjJW5//f7Qj+pStizqVz3xLP9/OrOEhx fnxw== X-Gm-Message-State: AOAM5307FJszvozu+lbX3H2zKLlZLWHGdf+ZPjmGUdPdhApt/B1qX0YQ n74/jIh7dT5VeKkp1Vc3v7xggE0lz8k= X-Google-Smtp-Source: ABdhPJxzcRf3pELkQzpNwfHINX/b43Q36CdVMrCXgNpOQfOOUIe31YLIA8EWHOST5LxVIKOS+CgPUg== X-Received: by 2002:aa7:da46:: with SMTP id w6mr17838479eds.40.1616279727186; Sat, 20 Mar 2021 15:35:27 -0700 (PDT) Received: from localhost.localdomain (5-12-16-165.residential.rdsnet.ro. [5.12.16.165]) by smtp.gmail.com with ESMTPSA id n2sm6090850ejl.1.2021.03.20.15.35.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Mar 2021 15:35:26 -0700 (PDT) From: Vladimir Oltean To: Jakub Kicinski , "David S. Miller" Cc: Andrew Lunn , Vivien Didelot , Florian Fainelli , Tobias Waldekranz , Claudiu Manoil , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Roopa Prabhu , Nikolay Aleksandrov , Jiri Pirko , Ido Schimmel , Alexandre Belloni , UNGLinuxDriver@microchip.com, Ivan Vecera , linux-omap@vger.kernel.org, Vladimir Oltean Subject: [PATCH v3 net-next 06/12] net: dsa: sync multicast router state when joining the bridge Date: Sun, 21 Mar 2021 00:34:42 +0200 Message-Id: <20210320223448.2452869-7-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210320223448.2452869-1-olteanv@gmail.com> References: <20210320223448.2452869-1-olteanv@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Vladimir Oltean Make sure that the multicast router setting of the bridge is picked up correctly by DSA when joining, regardless of whether there are sandwiched interfaces or not. The SWITCHDEV_ATTR_ID_BRIDGE_MROUTER port attribute is only emitted from br_mc_router_state_change. Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli --- Changes in v3: None. net/dsa/port.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/net/dsa/port.c b/net/dsa/port.c index 3f938c253c99..124f8bb21204 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -189,6 +189,10 @@ static int dsa_port_switchdev_sync(struct dsa_port *dp, if (err && err != -EOPNOTSUPP) return err; + err = dsa_port_mrouter(dp->cpu_dp, br_multicast_router(br), extack); + if (err && err != -EOPNOTSUPP) + return err; + return 0; } @@ -212,6 +216,12 @@ static void dsa_port_switchdev_unsync(struct dsa_port *dp) dsa_port_set_state_now(dp, BR_STATE_FORWARDING); /* VLAN filtering is handled by dsa_switch_bridge_leave */ + + /* Some drivers treat the notification for having a local multicast + * router by allowing multicast to be flooded to the CPU, so we should + * allow this in standalone mode too. + */ + dsa_port_mrouter(dp->cpu_dp, true, NULL); } int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br,