From patchwork Tue Oct 18 16:56:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Schultz X-Patchwork-Id: 13010831 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2357C4167B for ; Tue, 18 Oct 2022 16:57:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230044AbiJRQ5I (ORCPT ); Tue, 18 Oct 2022 12:57:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230002AbiJRQ5C (ORCPT ); Tue, 18 Oct 2022 12:57:02 -0400 Received: from mailout-taastrup.gigahost.dk (mailout-taastrup.gigahost.dk [46.183.139.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D5EBC821A; Tue, 18 Oct 2022 09:57:00 -0700 (PDT) Received: from mailout.gigahost.dk (mailout.gigahost.dk [89.186.169.112]) by mailout-taastrup.gigahost.dk (Postfix) with ESMTP id 0F6B81884965; Tue, 18 Oct 2022 16:56:58 +0000 (UTC) Received: from smtp.gigahost.dk (smtp.gigahost.dk [89.186.169.109]) by mailout.gigahost.dk (Postfix) with ESMTP id EBBFB25001FA; Tue, 18 Oct 2022 16:56:57 +0000 (UTC) Received: by smtp.gigahost.dk (Postfix, from userid 1000) id E04E89EC0007; Tue, 18 Oct 2022 16:56:57 +0000 (UTC) X-Screener-Id: 413d8c6ce5bf6eab4824d0abaab02863e8e3f662 Received: from fujitsu.vestervang (2-104-116-184-cable.dk.customer.tdc.net [2.104.116.184]) by smtp.gigahost.dk (Postfix) with ESMTPSA id 12B1D9EC000A; Tue, 18 Oct 2022 16:56:57 +0000 (UTC) From: "Hans J. Schultz" To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, "Hans J. Schultz" , Florian Fainelli , Andrew Lunn , Vivien Didelot , Vladimir Oltean , Eric Dumazet , Paolo Abeni , Kurt Kanzenbach , Hauke Mehrtens , Woojung Huh , UNGLinuxDriver@microchip.com, Sean Wang , Landen Chao , DENG Qingfang , Matthias Brugger , Claudiu Manoil , Alexandre Belloni , Jiri Pirko , Ivan Vecera , Roopa Prabhu , Nikolay Aleksandrov , Shuah Khan , Russell King , Christian Marangi , Daniel Borkmann , Yuwei Wang , Petr Machata , Ido Schimmel , Florent Fourcot , Hans Schultz , Joachim Wiberg , Amit Cohen , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bridge@lists.linux-foundation.org, linux-kselftest@vger.kernel.org Subject: [PATCH v8 net-next 05/12] net: dsa: propagate the locked flag down through the DSA layer Date: Tue, 18 Oct 2022 18:56:12 +0200 Message-Id: <20221018165619.134535-6-netdev@kapio-technology.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221018165619.134535-1-netdev@kapio-technology.com> References: <20221018165619.134535-1-netdev@kapio-technology.com> MIME-Version: 1.0 Organization: Westermo Network Technologies AB Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add a new u16 for fdb flags to propagate through the DSA layer towards the fdb add and del functions of the drivers. Signed-off-by: Hans J. Schultz --- include/net/dsa.h | 2 ++ net/dsa/dsa_priv.h | 6 ++++-- net/dsa/port.c | 10 ++++++---- net/dsa/slave.c | 10 ++++++++-- net/dsa/switch.c | 16 ++++++++-------- 5 files changed, 28 insertions(+), 16 deletions(-) diff --git a/include/net/dsa.h b/include/net/dsa.h index ee369670e20e..e4b641b20713 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -821,6 +821,8 @@ static inline bool dsa_port_tree_same(const struct dsa_port *a, return a->ds->dst == b->ds->dst; } +#define DSA_FDB_FLAG_LOCKED (1 << 0) + typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, bool is_static, void *data); struct dsa_switch_ops { diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 6e65c7ffd6f3..c943e8934063 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -65,6 +65,7 @@ struct dsa_notifier_fdb_info { const struct dsa_port *dp; const unsigned char *addr; u16 vid; + u16 fdb_flags; struct dsa_db db; }; @@ -131,6 +132,7 @@ struct dsa_switchdev_event_work { */ unsigned char addr[ETH_ALEN]; u16 vid; + u16 fdb_flags; bool host_addr; }; @@ -241,9 +243,9 @@ int dsa_port_vlan_msti(struct dsa_port *dp, const struct switchdev_vlan_msti *msti); int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu); int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr, - u16 vid); + u16 vid, u16 fdb_flags); int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr, - u16 vid); + u16 vid, u16 fdb_flags); int dsa_port_standalone_host_fdb_add(struct dsa_port *dp, const unsigned char *addr, u16 vid); int dsa_port_standalone_host_fdb_del(struct dsa_port *dp, diff --git a/net/dsa/port.c b/net/dsa/port.c index 208168276995..ff4f66f14d39 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -304,7 +304,7 @@ static int dsa_port_inherit_brport_flags(struct dsa_port *dp, struct netlink_ext_ack *extack) { const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | - BR_BCAST_FLOOD | BR_PORT_LOCKED; + BR_BCAST_FLOOD; struct net_device *brport_dev = dsa_port_to_bridge_port(dp); int flag, err; @@ -328,7 +328,7 @@ static void dsa_port_clear_brport_flags(struct dsa_port *dp) { const unsigned long val = BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD; const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | - BR_BCAST_FLOOD | BR_PORT_LOCKED; + BR_BCAST_FLOOD | BR_PORT_LOCKED | BR_PORT_MAB; int flag, err; for_each_set_bit(flag, &mask, 32) { @@ -956,12 +956,13 @@ int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu) } int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr, - u16 vid) + u16 vid, u16 fdb_flags) { struct dsa_notifier_fdb_info info = { .dp = dp, .addr = addr, .vid = vid, + .fdb_flags = fdb_flags, .db = { .type = DSA_DB_BRIDGE, .bridge = *dp->bridge, @@ -979,12 +980,13 @@ int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr, } int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr, - u16 vid) + u16 vid, u16 fdb_flags) { struct dsa_notifier_fdb_info info = { .dp = dp, .addr = addr, .vid = vid, + .fdb_flags = fdb_flags, .db = { .type = DSA_DB_BRIDGE, .bridge = *dp->bridge, diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 1a59918d3b30..65f0c578ef44 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -3246,6 +3246,7 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work) container_of(work, struct dsa_switchdev_event_work, work); const unsigned char *addr = switchdev_work->addr; struct net_device *dev = switchdev_work->dev; + u16 fdb_flags = switchdev_work->fdb_flags; u16 vid = switchdev_work->vid; struct dsa_switch *ds; struct dsa_port *dp; @@ -3261,7 +3262,7 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work) else if (dp->lag) err = dsa_port_lag_fdb_add(dp, addr, vid); else - err = dsa_port_fdb_add(dp, addr, vid); + err = dsa_port_fdb_add(dp, addr, vid, fdb_flags); if (err) { dev_err(ds->dev, "port %d failed to add %pM vid %d to fdb: %d\n", @@ -3277,7 +3278,7 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work) else if (dp->lag) err = dsa_port_lag_fdb_del(dp, addr, vid); else - err = dsa_port_fdb_del(dp, addr, vid); + err = dsa_port_fdb_del(dp, addr, vid, fdb_flags); if (err) { dev_err(ds->dev, "port %d failed to delete %pM vid %d from fdb: %d\n", @@ -3315,6 +3316,7 @@ static int dsa_slave_fdb_event(struct net_device *dev, struct dsa_port *dp = dsa_slave_to_port(dev); bool host_addr = fdb_info->is_local; struct dsa_switch *ds = dp->ds; + u16 fdb_flags = 0; if (ctx && ctx != dp) return 0; @@ -3361,6 +3363,9 @@ static int dsa_slave_fdb_event(struct net_device *dev, orig_dev->name, fdb_info->addr, fdb_info->vid, host_addr ? " as host address" : ""); + if (fdb_info->locked) + fdb_flags |= DSA_FDB_FLAG_LOCKED; + INIT_WORK(&switchdev_work->work, dsa_slave_switchdev_event_work); switchdev_work->event = event; switchdev_work->dev = dev; @@ -3369,6 +3374,7 @@ static int dsa_slave_fdb_event(struct net_device *dev, ether_addr_copy(switchdev_work->addr, fdb_info->addr); switchdev_work->vid = fdb_info->vid; switchdev_work->host_addr = host_addr; + switchdev_work->fdb_flags = fdb_flags; dsa_schedule_work(&switchdev_work->work); diff --git a/net/dsa/switch.c b/net/dsa/switch.c index ce56acdba203..dd355556892e 100644 --- a/net/dsa/switch.c +++ b/net/dsa/switch.c @@ -234,7 +234,7 @@ static int dsa_port_do_mdb_del(struct dsa_port *dp, } static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr, - u16 vid, struct dsa_db db) + u16 vid, u16 fdb_flags, struct dsa_db db) { struct dsa_switch *ds = dp->ds; struct dsa_mac_addr *a; @@ -278,7 +278,7 @@ static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr, } static int dsa_port_do_fdb_del(struct dsa_port *dp, const unsigned char *addr, - u16 vid, struct dsa_db db) + u16 vid, u16 fdb_flags, struct dsa_db db) { struct dsa_switch *ds = dp->ds; struct dsa_mac_addr *a; @@ -404,8 +404,8 @@ static int dsa_switch_host_fdb_add(struct dsa_switch *ds, info->vid, info->db); } else { - err = dsa_port_do_fdb_add(dp, info->addr, - info->vid, info->db); + err = dsa_port_do_fdb_add(dp, info->addr, info->vid, + info->fdb_flags, info->db); } if (err) break; @@ -432,8 +432,8 @@ static int dsa_switch_host_fdb_del(struct dsa_switch *ds, info->vid, info->db); } else { - err = dsa_port_do_fdb_del(dp, info->addr, - info->vid, info->db); + err = dsa_port_do_fdb_del(dp, info->addr, info->vid, + info->fdb_flags, info->db); } if (err) break; @@ -452,7 +452,7 @@ static int dsa_switch_fdb_add(struct dsa_switch *ds, if (!ds->ops->port_fdb_add) return -EOPNOTSUPP; - return dsa_port_do_fdb_add(dp, info->addr, info->vid, info->db); + return dsa_port_do_fdb_add(dp, info->addr, info->vid, info->fdb_flags, info->db); } static int dsa_switch_fdb_del(struct dsa_switch *ds, @@ -464,7 +464,7 @@ static int dsa_switch_fdb_del(struct dsa_switch *ds, if (!ds->ops->port_fdb_del) return -EOPNOTSUPP; - return dsa_port_do_fdb_del(dp, info->addr, info->vid, info->db); + return dsa_port_do_fdb_del(dp, info->addr, info->vid, info->fdb_flags, info->db); } static int dsa_switch_lag_fdb_add(struct dsa_switch *ds,