From patchwork Mon Mar 22 23:51:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 12156387 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=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 E307FC433DB for ; Mon, 22 Mar 2021 23:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0AC2619A3 for ; Mon, 22 Mar 2021 23:53:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231255AbhCVXwr (ORCPT ); Mon, 22 Mar 2021 19:52:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230447AbhCVXwP (ORCPT ); Mon, 22 Mar 2021 19:52:15 -0400 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7371EC061574; Mon, 22 Mar 2021 16:52:14 -0700 (PDT) Received: by mail-ej1-x636.google.com with SMTP id ce10so24107134ejb.6; Mon, 22 Mar 2021 16:52:14 -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=2lVrwqtYZdn4Cq95K9Ax8U6MOh2RqIZ/KBKR9D/4SSA=; b=Mn9525TUMj47Z5+rhoa9T9jBlJH36uLzpE7lsxEAPnB4nVNlF6lcSheE0UEndFclDv 1SDXkMoHb0I4SNDVr1ylqcizP9zetYDZBoM+YuiVGdf90ARbq8kBNZK4UiaqSSaFoBV8 puR9RJRqPTQnHfu7JX+rp7GPOFiAScyTAbVq0MoXDnq61digha4AAM62PrOeO12rB2Br /S+QAJCID5Kk36jlaqqFBESNJMyprDsTsVNRDcwbEbZ0uCMscrP17yvIbolH+wgRoiVj VbDcu/uQ1Xe96fu56T/D7CGRDuf6IWGQT4Eu6ceB+7nZbvUFOwEMwg72u/CpGarBcuPz H1wA== 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=2lVrwqtYZdn4Cq95K9Ax8U6MOh2RqIZ/KBKR9D/4SSA=; b=ktpWoDXEGJbGzTUKC6XfqN5+EZfkrTZQnXkSAkQDGqF3OpTTHMIPnEPgUtfdoPECVC byNhMWJzQdxVGHGp0SsEJJ5bMjVZoMFjc/YSOH96n2PT6pOB0W+g3sxiCevEm5BPgNI/ 5/C3iBYLN3lfUZ/nty/8+SPG17mfw5yPZBCgMe8qSODR77Wjq9kvuaac2n/uN/xc0pgV ce3pBWO4Qau7pUmSTiPVHRJbhWrtEaN4tMR0b1ZTkuGKpkAknfL5sfojU5+L/fv2QMcF st4ibkYg23hJUE9W+z3XDEhvHeoXcniSQ16dX/JoQh1+LF5HTh20gnyL7w1sSaYfcdge F0PQ== X-Gm-Message-State: AOAM531QZtpASnuYLfXhCBAvnPC374amMlTlUuviaVzS4K5t9wlNqPOh B6LFZpVtz9cXbGLqwBJFuTY= X-Google-Smtp-Source: ABdhPJw6Z4W2eOXeu3zR1HNBC594Bag2zq+JaGAIBfYXElQK3zyFWrkvIz146REAYNi595/G96+1OQ== X-Received: by 2002:a17:906:ecaa:: with SMTP id qh10mr2121344ejb.425.1616457133153; Mon, 22 Mar 2021 16:52:13 -0700 (PDT) Received: from localhost.localdomain (5-12-16-165.residential.rdsnet.ro. [5.12.16.165]) by smtp.gmail.com with ESMTPSA id q16sm12436933edv.61.2021.03.22.16.52.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Mar 2021 16:52:12 -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 v4 net-next 09/11] net: dsa: sync up switchdev objects and port attributes when joining the bridge Date: Tue, 23 Mar 2021 01:51:50 +0200 Message-Id: <20210322235152.268695-10-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210322235152.268695-1-olteanv@gmail.com> References: <20210322235152.268695-1-olteanv@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Vladimir Oltean If we join an already-created bridge port, such as a bond master interface, then we can miss the initial switchdev notifications emitted by the bridge for this port, while it wasn't offloaded by anybody. Signed-off-by: Vladimir Oltean --- net/dsa/dsa_priv.h | 3 +++ net/dsa/port.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ net/dsa/slave.c | 4 ++-- 3 files changed, 51 insertions(+), 2 deletions(-) diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index b8778c5d8529..92282de54230 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -262,6 +262,9 @@ static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst, /* slave.c */ extern const struct dsa_device_ops notag_netdev_ops; +extern struct notifier_block dsa_slave_switchdev_notifier; +extern struct notifier_block dsa_slave_switchdev_blocking_notifier; + void dsa_slave_mii_bus_init(struct dsa_switch *ds); int dsa_slave_create(struct dsa_port *dp); void dsa_slave_destroy(struct net_device *slave_dev); diff --git a/net/dsa/port.c b/net/dsa/port.c index c712bf3da0a0..01e30264b25b 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -170,12 +170,46 @@ static void dsa_port_clear_brport_flags(struct dsa_port *dp) static int dsa_port_switchdev_sync(struct dsa_port *dp, struct netlink_ext_ack *extack) { + struct net_device *brport_dev = dsa_port_to_bridge_port(dp); + struct net_device *br = dp->bridge_dev; int err; err = dsa_port_inherit_brport_flags(dp, extack); if (err) return err; + err = dsa_port_set_state(dp, br_port_get_stp_state(brport_dev)); + if (err && err != -EOPNOTSUPP) + return err; + + err = dsa_port_vlan_filtering(dp, br_vlan_enabled(br), extack); + if (err && err != -EOPNOTSUPP) + return err; + + err = dsa_port_mrouter(dp->cpu_dp, br_multicast_router(br), extack); + if (err && err != -EOPNOTSUPP) + return err; + + err = dsa_port_ageing_time(dp, br_get_ageing_time(br)); + if (err && err != -EOPNOTSUPP) + return err; + + err = br_mdb_replay(br, brport_dev, + &dsa_slave_switchdev_blocking_notifier, + extack); + if (err && err != -EOPNOTSUPP) + return err; + + err = br_fdb_replay(br, brport_dev, &dsa_slave_switchdev_notifier); + if (err && err != -EOPNOTSUPP) + return err; + + err = br_vlan_replay(br, brport_dev, + &dsa_slave_switchdev_blocking_notifier, + extack); + if (err && err != -EOPNOTSUPP) + return err; + return 0; } @@ -198,6 +232,18 @@ static void dsa_port_switchdev_unsync(struct dsa_port *dp) * so allow it to be in BR_STATE_FORWARDING to be kept functional */ 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); + + /* Ageing time may be global to the switch chip, so don't change it + * here because we have no good reason (or value) to change it to. + */ } int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br, diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 1ff48be476bb..c51e52418a62 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -2392,11 +2392,11 @@ static struct notifier_block dsa_slave_nb __read_mostly = { .notifier_call = dsa_slave_netdevice_event, }; -static struct notifier_block dsa_slave_switchdev_notifier = { +struct notifier_block dsa_slave_switchdev_notifier = { .notifier_call = dsa_slave_switchdev_event, }; -static struct notifier_block dsa_slave_switchdev_blocking_notifier = { +struct notifier_block dsa_slave_switchdev_blocking_notifier = { .notifier_call = dsa_slave_switchdev_blocking_event, };