Merge branch 'net-Remove-support-from-bridge-bypass-for-mlxsw-rocker-drivers'

Jiri Pirko says:

===================
net: Remove support from bridge bypass for mlxsw/rocker drivers

Currently setting bridge port attributes and adding FDBs are done via
setting the SELF flag which implies unconsistent offloading model. This
patch-set fixes this behavior by making the bridge and drivers which are
using it to be totally in sync.

This implies several changes:
- Offloading bridge flags from the bridge code.
- Sending notification about FDB add/del to the software bridge in a
  similiar way it is done for the hardware externally learned FDBs.

By making the offloading model more consistent a cleanup is done in
the drivers supporting it. This is done in order to remove un-needed
logic related to dump operation which is redundant.

First add missing functionality to bridge, then clean up the mlxsw/rocker
drivers.

v1->v2
- Move bridge-switchdev related stuff to br_switchdev.c as suggested by Nik
===================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/bonding/bond_main.c

@@ -4175,12 +4175,6 @@ static const struct net_device_ops bond_netdev_ops = {
 	.ndo_add_slave		= bond_enslave,
 	.ndo_del_slave		= bond_release,
 	.ndo_fix_features	= bond_fix_features,
-	.ndo_bridge_setlink	= switchdev_port_bridge_setlink,
-	.ndo_bridge_getlink	= switchdev_port_bridge_getlink,
-	.ndo_bridge_dellink	= switchdev_port_bridge_dellink,
-	.ndo_fdb_add		= switchdev_port_fdb_add,
-	.ndo_fdb_del		= switchdev_port_fdb_del,
-	.ndo_fdb_dump		= switchdev_port_fdb_dump,
 	.ndo_features_check	= passthru_features_check,
 };
 

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -1756,12 +1756,6 @@ static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
 	.ndo_get_offload_stats	= mlxsw_sp_port_get_offload_stats,
 	.ndo_vlan_rx_add_vid	= mlxsw_sp_port_add_vid,
 	.ndo_vlan_rx_kill_vid	= mlxsw_sp_port_kill_vid,
-	.ndo_fdb_add		= switchdev_port_fdb_add,
-	.ndo_fdb_del		= switchdev_port_fdb_del,
-	.ndo_fdb_dump		= switchdev_port_fdb_dump,
-	.ndo_bridge_setlink	= switchdev_port_bridge_setlink,
-	.ndo_bridge_getlink	= switchdev_port_bridge_getlink,
-	.ndo_bridge_dellink	= switchdev_port_bridge_dellink,
 	.ndo_get_phys_port_name	= mlxsw_sp_port_get_phys_port_name,
 };
 
@@ -3709,7 +3703,7 @@ struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
 	return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL;
 }
 
-static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
+struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
 {
 	struct mlxsw_sp_port *mlxsw_sp_port;
 

drivers/net/ethernet/mellanox/mlxsw/spectrum.h

@@ -361,6 +361,7 @@ struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev);
 struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev);
 struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev);
 void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port);
+struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev);
 
 /* spectrum_dcb.c */
 #ifdef CONFIG_MLXSW_SPECTRUM_DCB

drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c

@@ -102,8 +102,6 @@ struct mlxsw_sp_bridge_vlan {
 	struct list_head list;
 	struct list_head port_vlan_list;
 	u16 vid;
-	u8 egress_untagged:1,
-	   pvid:1;
 };
 
 struct mlxsw_sp_bridge_ops {
@@ -456,6 +454,9 @@ static int mlxsw_sp_port_attr_get(struct net_device *dev,
 		mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev,
 					       &attr->u.brport_flags);
 		break;
+	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
+		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -1000,8 +1001,6 @@ mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port,
 		goto err_port_vlan_bridge_join;
 
 	bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid);
-	bridge_vlan->egress_untagged = is_untagged;
-	bridge_vlan->pvid = is_pvid;
 
 	return 0;
 
@@ -1142,44 +1141,40 @@ static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
 }
 
 static int
-mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port,
-			     const struct switchdev_obj_port_fdb *fdb,
-			     struct switchdev_trans *trans)
+mlxsw_sp_port_fdb_set(struct mlxsw_sp_port *mlxsw_sp_port,
+		      struct switchdev_notifier_fdb_info *fdb_info, bool adding)
 {
 	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-	struct net_device *orig_dev = fdb->obj.orig_dev;
+	struct net_device *orig_dev = fdb_info->info.dev;
 	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
 	struct mlxsw_sp_bridge_device *bridge_device;
 	struct mlxsw_sp_bridge_port *bridge_port;
 	u16 fid_index, vid;
 
-	if (switchdev_trans_ph_prepare(trans))
-		return 0;
-
 	bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
-	if (WARN_ON(!bridge_port))
+	if (!bridge_port)
 		return -EINVAL;
 
 	bridge_device = bridge_port->bridge_device;
 	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
 							       bridge_device,
-							       fdb->vid);
+							       fdb_info->vid);
 	if (!mlxsw_sp_port_vlan)
 		return 0;
 
 	fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
 	vid = mlxsw_sp_port_vlan->vid;
 
-	if (!mlxsw_sp_port->lagged)
+	if (!bridge_port->lagged)
 		return mlxsw_sp_port_fdb_uc_op(mlxsw_sp,
-					       mlxsw_sp_port->local_port,
-					       fdb->addr, fid_index, true,
-					       false);
+					       bridge_port->system_port,
+					       fdb_info->addr, fid_index,
+					       adding, false);
 	else
 		return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp,
-						   mlxsw_sp_port->lag_id,
-						   fdb->addr, fid_index, vid,
-						   true, false);
+						   bridge_port->lag_id,
+						   fdb_info->addr, fid_index,
+						   vid, adding, false);
 }
 
 static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
@@ -1349,11 +1344,6 @@ static int mlxsw_sp_port_obj_add(struct net_device *dev,
 					      SWITCHDEV_OBJ_PORT_VLAN(obj),
 					      trans);
 		break;
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port,
-						   SWITCHDEV_OBJ_PORT_FDB(obj),
-						   trans);
-		break;
 	case SWITCHDEV_OBJ_ID_PORT_MDB:
 		err = mlxsw_sp_port_mdb_add(mlxsw_sp_port,
 					    SWITCHDEV_OBJ_PORT_MDB(obj),
@@ -1405,43 +1395,6 @@ static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
 	return 0;
 }
 
-static int
-mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port,
-			     const struct switchdev_obj_port_fdb *fdb)
-{
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-	struct net_device *orig_dev = fdb->obj.orig_dev;
-	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
-	struct mlxsw_sp_bridge_device *bridge_device;
-	struct mlxsw_sp_bridge_port *bridge_port;
-	u16 fid_index, vid;
-
-	bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
-	if (WARN_ON(!bridge_port))
-		return -EINVAL;
-
-	bridge_device = bridge_port->bridge_device;
-	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
-							       bridge_device,
-							       fdb->vid);
-	if (!mlxsw_sp_port_vlan)
-		return 0;
-
-	fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
-	vid = mlxsw_sp_port_vlan->vid;
-
-	if (!mlxsw_sp_port->lagged)
-		return mlxsw_sp_port_fdb_uc_op(mlxsw_sp,
-					       mlxsw_sp_port->local_port,
-					       fdb->addr, fid_index, false,
-					       false);
-	else
-		return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp,
-						   mlxsw_sp_port->lag_id,
-						   fdb->addr, fid_index, vid,
-						   false, false);
-}
-
 static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
 				 const struct switchdev_obj_port_mdb *mdb)
 {
@@ -1501,10 +1454,6 @@ static int mlxsw_sp_port_obj_del(struct net_device *dev,
 		err = mlxsw_sp_port_vlans_del(mlxsw_sp_port,
 					      SWITCHDEV_OBJ_PORT_VLAN(obj));
 		break;
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port,
-						   SWITCHDEV_OBJ_PORT_FDB(obj));
-		break;
 	case SWITCHDEV_OBJ_ID_PORT_MDB:
 		err = mlxsw_sp_port_mdb_del(mlxsw_sp_port,
 					    SWITCHDEV_OBJ_PORT_MDB(obj));
@@ -1534,161 +1483,11 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
 	return NULL;
 }
 
-static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
-				  struct switchdev_obj_port_fdb *fdb,
-				  switchdev_obj_dump_cb_t *cb)
-{
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-	struct net_device *orig_dev = fdb->obj.orig_dev;
-	struct mlxsw_sp_bridge_port *bridge_port;
-	u16 lag_id, fid_index;
-	char mac[ETH_ALEN];
-	int stored_err = 0;
-	char *sfd_pl;
-	u8 num_rec;
-	int err;
-
-	bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
-	if (!bridge_port)
-		return 0;
-
-	sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
-	if (!sfd_pl)
-		return -ENOMEM;
-
-	mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0);
-	do {
-		struct mlxsw_sp_port *tmp;
-		u8 local_port;
-		int i;
-
-		mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT);
-		err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
-		if (err)
-			goto out;
-
-		num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
-
-		/* Even in case of error, we have to run the dump to the end
-		 * so the session in firmware is finished.
-		 */
-		if (stored_err)
-			continue;
-
-		for (i = 0; i < num_rec; i++) {
-			switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) {
-			case MLXSW_REG_SFD_REC_TYPE_UNICAST:
-				mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac,
-							&fid_index,
-							&local_port);
-				if (bridge_port->lagged)
-					continue;
-				if (bridge_port->system_port != local_port)
-					continue;
-				if (bridge_port->bridge_device->vlan_enabled)
-					fdb->vid = fid_index;
-				else
-					fdb->vid = 0;
-				ether_addr_copy(fdb->addr, mac);
-				fdb->ndm_state = NUD_REACHABLE;
-				err = cb(&fdb->obj);
-				if (err)
-					stored_err = err;
-				break;
-			case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG:
-				mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i,
-							    mac, &fid_index,
-							    &lag_id);
-				if (!bridge_port->lagged)
-					continue;
-				if (bridge_port->lag_id != lag_id)
-					continue;
-				tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
-				if (tmp->local_port !=
-				    mlxsw_sp_port->local_port)
-					continue;
-				if (bridge_port->bridge_device->vlan_enabled)
-					fdb->vid = fid_index;
-				else
-					fdb->vid = 0;
-				ether_addr_copy(fdb->addr, mac);
-				fdb->ndm_state = NUD_REACHABLE;
-				err = cb(&fdb->obj);
-				if (err)
-					stored_err = err;
-				break;
-			}
-		}
-	} while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT);
-
-out:
-	kfree(sfd_pl);
-	return stored_err ? stored_err : err;
-}
-
-static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port,
-				   struct switchdev_obj_port_vlan *vlan,
-				   switchdev_obj_dump_cb_t *cb)
-{
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-	struct net_device *orig_dev = vlan->obj.orig_dev;
-	struct mlxsw_sp_bridge_port *bridge_port;
-	struct mlxsw_sp_bridge_vlan *bridge_vlan;
-	int err = 0;
-
-	bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
-	if (WARN_ON(!bridge_port))
-		return -EINVAL;
-
-	if (!bridge_port->bridge_device->vlan_enabled)
-		return 0;
-
-	list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) {
-		vlan->flags = 0;
-		if (bridge_vlan->pvid)
-			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-		if (bridge_vlan->egress_untagged)
-			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
-		vlan->vid_begin = bridge_vlan->vid;
-		vlan->vid_end = bridge_vlan->vid;
-		err = cb(&vlan->obj);
-		if (err)
-			break;
-	}
-
-	return err;
-}
-
-static int mlxsw_sp_port_obj_dump(struct net_device *dev,
-				  struct switchdev_obj *obj,
-				  switchdev_obj_dump_cb_t *cb)
-{
-	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
-	int err = 0;
-
-	switch (obj->id) {
-	case SWITCHDEV_OBJ_ID_PORT_VLAN:
-		err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port,
-					      SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
-		break;
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port,
-					     SWITCHDEV_OBJ_PORT_FDB(obj), cb);
-		break;
-	default:
-		err = -EOPNOTSUPP;
-		break;
-	}
-
-	return err;
-}
-
 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
 	.switchdev_port_attr_get	= mlxsw_sp_port_attr_get,
 	.switchdev_port_attr_set	= mlxsw_sp_port_attr_set,
 	.switchdev_port_obj_add		= mlxsw_sp_port_obj_add,
 	.switchdev_port_obj_del		= mlxsw_sp_port_obj_del,
-	.switchdev_port_obj_dump	= mlxsw_sp_port_obj_dump,
 };
 
 static int
@@ -1857,19 +1656,16 @@ void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port,
 	mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port);
 }
 
-static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding,
-					char *mac, u16 vid,
+static void
+mlxsw_sp_fdb_call_notifiers(enum switchdev_notifier_type type,
+			    const char *mac, u16 vid,
 			    struct net_device *dev)
 {
 	struct switchdev_notifier_fdb_info info;
-	unsigned long notifier_type;
 
-	if (learning_sync) {
 	info.addr = mac;
 	info.vid = vid;
-		notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL;
-		call_switchdev_notifiers(notifier_type, dev, &info.info);
-	}
+	call_switchdev_notifiers(type, dev, &info.info);
 }
 
 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
@@ -1880,6 +1676,7 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
 	struct mlxsw_sp_bridge_device *bridge_device;
 	struct mlxsw_sp_bridge_port *bridge_port;
 	struct mlxsw_sp_port *mlxsw_sp_port;
+	enum switchdev_notifier_type type;
 	char mac[ETH_ALEN];
 	u8 local_port;
 	u16 vid, fid;
@@ -1918,8 +1715,9 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
 
 	if (!do_notification)
 		return;
-	mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC,
-				    adding, mac, vid, bridge_port->dev);
+	type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
+	mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev);
+
 	return;
 
 just_remove:
@@ -1936,6 +1734,7 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
 	struct mlxsw_sp_bridge_device *bridge_device;
 	struct mlxsw_sp_bridge_port *bridge_port;
 	struct mlxsw_sp_port *mlxsw_sp_port;
+	enum switchdev_notifier_type type;
 	char mac[ETH_ALEN];
 	u16 lag_vid = 0;
 	u16 lag_id;
@@ -1976,8 +1775,9 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
 
 	if (!do_notification)
 		return;
-	mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC,
-				    adding, mac, vid, bridge_port->dev);
+	type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
+	mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev);
+
 	return;
 
 just_remove:
@@ -2050,6 +1850,97 @@ static void mlxsw_sp_fdb_notify_work(struct work_struct *work)
 	mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
 }
 
+struct mlxsw_sp_switchdev_event_work {
+	struct work_struct work;
+	struct switchdev_notifier_fdb_info fdb_info;
+	struct net_device *dev;
+	unsigned long event;
+};
+
+static void mlxsw_sp_switchdev_event_work(struct work_struct *work)
+{
+	struct mlxsw_sp_switchdev_event_work *switchdev_work =
+		container_of(work, struct mlxsw_sp_switchdev_event_work, work);
+	struct net_device *dev = switchdev_work->dev;
+	struct switchdev_notifier_fdb_info *fdb_info;
+	struct mlxsw_sp_port *mlxsw_sp_port;
+	int err;
+
+	rtnl_lock();
+	mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
+	if (!mlxsw_sp_port)
+		goto out;
+
+	switch (switchdev_work->event) {
+	case SWITCHDEV_FDB_ADD_TO_DEVICE:
+		fdb_info = &switchdev_work->fdb_info;
+		err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true);
+		if (err)
+			break;
+		mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED,
+					    fdb_info->addr,
+					    fdb_info->vid, dev);
+		break;
+	case SWITCHDEV_FDB_DEL_TO_DEVICE:
+		fdb_info = &switchdev_work->fdb_info;
+		mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false);
+		break;
+	}
+
+out:
+	rtnl_unlock();
+	kfree(switchdev_work->fdb_info.addr);
+	kfree(switchdev_work);
+	dev_put(dev);
+}
+
+/* Called under rcu_read_lock() */
+static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
+				    unsigned long event, void *ptr)
+{
+	struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+	struct mlxsw_sp_switchdev_event_work *switchdev_work;
+	struct switchdev_notifier_fdb_info *fdb_info = ptr;
+
+	if (!mlxsw_sp_port_dev_lower_find_rcu(dev))
+		return NOTIFY_DONE;
+
+	switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
+	if (!switchdev_work)
+		return NOTIFY_BAD;
+
+	INIT_WORK(&switchdev_work->work, mlxsw_sp_switchdev_event_work);
+	switchdev_work->dev = dev;
+	switchdev_work->event = event;
+
+	switch (event) {
+	case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
+	case SWITCHDEV_FDB_DEL_TO_DEVICE:
+		memcpy(&switchdev_work->fdb_info, ptr,
+		       sizeof(switchdev_work->fdb_info));
+		switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);
+		ether_addr_copy((u8 *)switchdev_work->fdb_info.addr,
+				fdb_info->addr);
+		/* Take a reference on the device. This can be either
+		 * upper device containig mlxsw_sp_port or just a
+		 * mlxsw_sp_port
+		 */
+		dev_hold(dev);
+		break;
+	default:
+		kfree(switchdev_work);
+		return NOTIFY_DONE;
+	}
+
+	mlxsw_core_schedule_work(&switchdev_work->work);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block mlxsw_sp_switchdev_notifier = {
+	.notifier_call = mlxsw_sp_switchdev_event,
+};
+
 static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
 {
 	struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge;
@@ -2060,6 +1951,13 @@ static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
 		dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n");
 		return err;
 	}
+
+	err = register_switchdev_notifier(&mlxsw_sp_switchdev_notifier);
+	if (err) {
+		dev_err(mlxsw_sp->bus_info->dev, "Failed to register switchdev notifier\n");
+		return err;
+	}
+
 	INIT_DELAYED_WORK(&bridge->fdb_notify.dw, mlxsw_sp_fdb_notify_work);
 	bridge->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL;
 	mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
@@ -2069,6 +1967,8 @@ static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
 static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
 {
 	cancel_delayed_work_sync(&mlxsw_sp->bridge->fdb_notify.dw);
+	unregister_switchdev_notifier(&mlxsw_sp_switchdev_notifier);
+
 }
 
 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)

drivers/net/ethernet/rocker/rocker.h

@@ -105,32 +105,27 @@ struct rocker_world_ops {
 	int (*port_open)(struct rocker_port *rocker_port);
 	void (*port_stop)(struct rocker_port *rocker_port);
 	int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
-				       u8 state,
-				       struct switchdev_trans *trans);
+				       u8 state);
 	int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
 					  unsigned long brport_flags,
 					  struct switchdev_trans *trans);
 	int (*port_attr_bridge_flags_get)(const struct rocker_port *rocker_port,
 					  unsigned long *p_brport_flags);
+	int (*port_attr_bridge_flags_support_get)(const struct rocker_port *
+						  rocker_port,
+						  unsigned long *
+						  p_brport_flags);
 	int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
 						u32 ageing_time,
 						struct switchdev_trans *trans);
 	int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
-				 const struct switchdev_obj_port_vlan *vlan,
-				 struct switchdev_trans *trans);
+				 const struct switchdev_obj_port_vlan *vlan);
 	int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
 				 const struct switchdev_obj_port_vlan *vlan);
-	int (*port_obj_vlan_dump)(const struct rocker_port *rocker_port,
-				  struct switchdev_obj_port_vlan *vlan,
-				  switchdev_obj_dump_cb_t *cb);
 	int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
-				const struct switchdev_obj_port_fdb *fdb,
-				struct switchdev_trans *trans);
+				u16 vid, const unsigned char *addr);
 	int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
-				const struct switchdev_obj_port_fdb *fdb);
-	int (*port_obj_fdb_dump)(const struct rocker_port *rocker_port,
-				 struct switchdev_obj_port_fdb *fdb,
-				 switchdev_obj_dump_cb_t *cb);
+				u16 vid, const unsigned char *addr);
 	int (*port_master_linked)(struct rocker_port *rocker_port,
 				  struct net_device *master);
 	int (*port_master_unlinked)(struct rocker_port *rocker_port,

drivers/net/ethernet/rocker/rocker_main.c

@@ -1557,7 +1557,11 @@ static int rocker_world_port_attr_stp_state_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_stp_state_set)
 		return -EOPNOTSUPP;
-	return wops->port_attr_stp_state_set(rocker_port, state, trans);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_attr_stp_state_set(rocker_port, state);
 }
 
 static int
@@ -1569,6 +1573,10 @@ rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_bridge_flags_set)
 		return -EOPNOTSUPP;
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
 	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
 						trans);
 }
@@ -1584,6 +1592,20 @@ rocker_world_port_attr_bridge_flags_get(const struct rocker_port *rocker_port,
 	return wops->port_attr_bridge_flags_get(rocker_port, p_brport_flags);
 }
 
+static int
+rocker_world_port_attr_bridge_flags_support_get(const struct rocker_port *
+						rocker_port,
+						unsigned long *
+						p_brport_flags_support)
+{
+	struct rocker_world_ops *wops = rocker_port->rocker->wops;
+
+	if (!wops->port_attr_bridge_flags_support_get)
+		return -EOPNOTSUPP;
+	return wops->port_attr_bridge_flags_support_get(rocker_port,
+							p_brport_flags_support);
+}
+
 static int
 rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 					      u32 ageing_time,
@@ -1594,6 +1616,10 @@ rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_bridge_ageing_time_set)
 		return -EOPNOTSUPP;
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
 	return wops->port_attr_bridge_ageing_time_set(rocker_port, ageing_time,
 						      trans);
 }
@@ -1607,7 +1633,11 @@ rocker_world_port_obj_vlan_add(struct rocker_port *rocker_port,
 
 	if (!wops->port_obj_vlan_add)
 		return -EOPNOTSUPP;
-	return wops->port_obj_vlan_add(rocker_port, vlan, trans);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_obj_vlan_add(rocker_port, vlan);
 }
 
 static int
@@ -1622,50 +1652,26 @@ rocker_world_port_obj_vlan_del(struct rocker_port *rocker_port,
 }
 
 static int
-rocker_world_port_obj_vlan_dump(const struct rocker_port *rocker_port,
-				struct switchdev_obj_port_vlan *vlan,
-				switchdev_obj_dump_cb_t *cb)
-{
-	struct rocker_world_ops *wops = rocker_port->rocker->wops;
-
-	if (!wops->port_obj_vlan_dump)
-		return -EOPNOTSUPP;
-	return wops->port_obj_vlan_dump(rocker_port, vlan, cb);
-}
-
-static int
-rocker_world_port_obj_fdb_add(struct rocker_port *rocker_port,
-			      const struct switchdev_obj_port_fdb *fdb,
-			      struct switchdev_trans *trans)
+rocker_world_port_fdb_add(struct rocker_port *rocker_port,
+			  struct switchdev_notifier_fdb_info *info)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fdb_add)
 		return -EOPNOTSUPP;
-	return wops->port_obj_fdb_add(rocker_port, fdb, trans);
-}
-
-static int
-rocker_world_port_obj_fdb_del(struct rocker_port *rocker_port,
-			      const struct switchdev_obj_port_fdb *fdb)
-{
-	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
-	if (!wops->port_obj_fdb_del)
-		return -EOPNOTSUPP;
-	return wops->port_obj_fdb_del(rocker_port, fdb);
+	return wops->port_obj_fdb_add(rocker_port, info->vid, info->addr);
 }
 
 static int
-rocker_world_port_obj_fdb_dump(const struct rocker_port *rocker_port,
-			       struct switchdev_obj_port_fdb *fdb,
-			       switchdev_obj_dump_cb_t *cb)
+rocker_world_port_fdb_del(struct rocker_port *rocker_port,
+			  struct switchdev_notifier_fdb_info *info)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
-	if (!wops->port_obj_fdb_dump)
+	if (!wops->port_obj_fdb_del)
 		return -EOPNOTSUPP;
-	return wops->port_obj_fdb_dump(rocker_port, fdb, cb);
+	return wops->port_obj_fdb_del(rocker_port, info->vid, info->addr);
 }
 
 static int rocker_world_port_master_linked(struct rocker_port *rocker_port,
@@ -2022,12 +2028,6 @@ static const struct net_device_ops rocker_port_netdev_ops = {
 	.ndo_start_xmit			= rocker_port_xmit,
 	.ndo_set_mac_address		= rocker_port_set_mac_address,
 	.ndo_change_mtu			= rocker_port_change_mtu,
-	.ndo_bridge_getlink		= switchdev_port_bridge_getlink,
-	.ndo_bridge_setlink		= switchdev_port_bridge_setlink,
-	.ndo_bridge_dellink		= switchdev_port_bridge_dellink,
-	.ndo_fdb_add			= switchdev_port_fdb_add,
-	.ndo_fdb_del			= switchdev_port_fdb_del,
-	.ndo_fdb_dump			= switchdev_port_fdb_dump,
 	.ndo_get_phys_port_name		= rocker_port_get_phys_port_name,
 	.ndo_change_proto_down		= rocker_port_change_proto_down,
 	.ndo_neigh_destroy		= rocker_port_neigh_destroy,
@@ -2053,6 +2053,10 @@ static int rocker_port_attr_get(struct net_device *dev,
 		err = rocker_world_port_attr_bridge_flags_get(rocker_port,
 							      &attr->u.brport_flags);
 		break;
+	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
+		err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
+								      &attr->u.brport_flags_support);
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -2104,11 +2108,6 @@ static int rocker_port_obj_add(struct net_device *dev,
 						     SWITCHDEV_OBJ_PORT_VLAN(obj),
 						     trans);
 		break;
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = rocker_world_port_obj_fdb_add(rocker_port,
-						    SWITCHDEV_OBJ_PORT_FDB(obj),
-						    trans);
-		break;
 	default:
 		err = -EOPNOTSUPP;
 		break;
@@ -2128,36 +2127,6 @@ static int rocker_port_obj_del(struct net_device *dev,
 		err = rocker_world_port_obj_vlan_del(rocker_port,
 						     SWITCHDEV_OBJ_PORT_VLAN(obj));
 		break;
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = rocker_world_port_obj_fdb_del(rocker_port,
-						    SWITCHDEV_OBJ_PORT_FDB(obj));
-		break;
-	default:
-		err = -EOPNOTSUPP;
-		break;
-	}
-
-	return err;
-}
-
-static int rocker_port_obj_dump(struct net_device *dev,
-				struct switchdev_obj *obj,
-				switchdev_obj_dump_cb_t *cb)
-{
-	const struct rocker_port *rocker_port = netdev_priv(dev);
-	int err = 0;
-
-	switch (obj->id) {
-	case SWITCHDEV_OBJ_ID_PORT_FDB:
-		err = rocker_world_port_obj_fdb_dump(rocker_port,
-						     SWITCHDEV_OBJ_PORT_FDB(obj),
-						     cb);
-		break;
-	case SWITCHDEV_OBJ_ID_PORT_VLAN:
-		err = rocker_world_port_obj_vlan_dump(rocker_port,
-						      SWITCHDEV_OBJ_PORT_VLAN(obj),
-						      cb);
-		break;
 	default:
 		err = -EOPNOTSUPP;
 		break;
@@ -2171,7 +2140,6 @@ static const struct switchdev_ops rocker_port_switchdev_ops = {
 	.switchdev_port_attr_set	= rocker_port_attr_set,
 	.switchdev_port_obj_add		= rocker_port_obj_add,
 	.switchdev_port_obj_del		= rocker_port_obj_del,
-	.switchdev_port_obj_dump	= rocker_port_obj_dump,
 };
 
 struct rocker_fib_event_work {
@@ -2729,6 +2697,109 @@ static void rocker_msix_fini(const struct rocker *rocker)
 	kfree(rocker->msix_entries);
 }
 
+static bool rocker_port_dev_check(const struct net_device *dev)
+{
+	return dev->netdev_ops == &rocker_port_netdev_ops;
+}
+
+struct rocker_switchdev_event_work {
+	struct work_struct work;
+	struct switchdev_notifier_fdb_info fdb_info;
+	struct rocker_port *rocker_port;
+	unsigned long event;
+};
+
+static void
+rocker_fdb_offload_notify(struct rocker_port *rocker_port,
+			  struct switchdev_notifier_fdb_info *recv_info)
+{
+	struct switchdev_notifier_fdb_info info;
+
+	info.addr = recv_info->addr;
+	info.vid = recv_info->vid;
+	call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED,
+				 rocker_port->dev, &info.info);
+}
+
+static void rocker_switchdev_event_work(struct work_struct *work)
+{
+	struct rocker_switchdev_event_work *switchdev_work =
+		container_of(work, struct rocker_switchdev_event_work, work);
+	struct rocker_port *rocker_port = switchdev_work->rocker_port;
+	struct switchdev_notifier_fdb_info *fdb_info;
+	int err;
+
+	rtnl_lock();
+	switch (switchdev_work->event) {
+	case SWITCHDEV_FDB_ADD_TO_DEVICE:
+		fdb_info = &switchdev_work->fdb_info;
+		err = rocker_world_port_fdb_add(rocker_port, fdb_info);
+		if (err) {
+			netdev_dbg(rocker_port->dev, "fdb add failed err=%d\n", err);
+			break;
+		}
+		rocker_fdb_offload_notify(rocker_port, fdb_info);
+		break;
+	case SWITCHDEV_FDB_DEL_TO_DEVICE:
+		fdb_info = &switchdev_work->fdb_info;
+		err = rocker_world_port_fdb_del(rocker_port, fdb_info);
+		if (err)
+			netdev_dbg(rocker_port->dev, "fdb add failed err=%d\n", err);
+		break;
+	}
+	rtnl_unlock();
+
+	kfree(switchdev_work->fdb_info.addr);
+	kfree(switchdev_work);
+	dev_put(rocker_port->dev);
+}
+
+/* called under rcu_read_lock() */
+static int rocker_switchdev_event(struct notifier_block *unused,
+				  unsigned long event, void *ptr)
+{
+	struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+	struct rocker_switchdev_event_work *switchdev_work;
+	struct switchdev_notifier_fdb_info *fdb_info = ptr;
+	struct rocker_port *rocker_port;
+
+	if (!rocker_port_dev_check(dev))
+		return NOTIFY_DONE;
+
+	rocker_port = netdev_priv(dev);
+	switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
+	if (WARN_ON(!switchdev_work))
+		return NOTIFY_BAD;
+
+	INIT_WORK(&switchdev_work->work, rocker_switchdev_event_work);
+	switchdev_work->rocker_port = rocker_port;
+	switchdev_work->event = event;
+
+	switch (event) {
+	case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
+	case SWITCHDEV_FDB_DEL_TO_DEVICE:
+		memcpy(&switchdev_work->fdb_info, ptr,
+		       sizeof(switchdev_work->fdb_info));
+		switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);
+		ether_addr_copy((u8 *)switchdev_work->fdb_info.addr,
+				fdb_info->addr);
+		/* Take a reference on the rocker device */
+		dev_hold(dev);
+		break;
+	default:
+		kfree(switchdev_work);
+		return NOTIFY_DONE;
+	}
+
+	queue_work(rocker_port->rocker->rocker_owq,
+		   &switchdev_work->work);
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block rocker_switchdev_notifier = {
+	.notifier_call = rocker_switchdev_event,
+};
+
 static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	struct rocker *rocker;
@@ -2834,6 +2905,12 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_register_fib_notifier;
 
+	err = register_switchdev_notifier(&rocker_switchdev_notifier);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to register switchdev notifier\n");
+		goto err_register_switchdev_notifier;
+	}
+
 	rocker->hw.id = rocker_read64(rocker, SWITCH_ID);
 
 	err = rocker_probe_ports(rocker);
@@ -2848,6 +2925,8 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 err_probe_ports:
+	unregister_switchdev_notifier(&rocker_switchdev_notifier);
+err_register_switchdev_notifier:
 	unregister_fib_notifier(&rocker->fib_nb);
 err_register_fib_notifier:
 	destroy_workqueue(rocker->rocker_owq);
@@ -2878,6 +2957,7 @@ static void rocker_remove(struct pci_dev *pdev)
 	struct rocker *rocker = pci_get_drvdata(pdev);
 
 	rocker_remove_ports(rocker);
+	unregister_switchdev_notifier(&rocker_switchdev_notifier);
 	unregister_fib_notifier(&rocker->fib_nb);
 	rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET);
 	destroy_workqueue(rocker->rocker_owq);
@@ -2902,11 +2982,6 @@ static struct pci_driver rocker_pci_driver = {
  * Net device notifier event handler
  ************************************/
 
-static bool rocker_port_dev_check(const struct net_device *dev)
-{
-	return dev->netdev_ops == &rocker_port_netdev_ops;
-}
-
 static bool rocker_port_dev_check_under(const struct net_device *dev,
 					struct rocker *rocker)
 {

drivers/net/team/team.c

@@ -2005,12 +2005,6 @@ static const struct net_device_ops team_netdev_ops = {
 	.ndo_del_slave		= team_del_slave,
 	.ndo_fix_features	= team_fix_features,
 	.ndo_change_carrier     = team_change_carrier,
-	.ndo_bridge_setlink	= switchdev_port_bridge_setlink,
-	.ndo_bridge_getlink	= switchdev_port_bridge_getlink,
-	.ndo_bridge_dellink	= switchdev_port_bridge_dellink,
-	.ndo_fdb_add		= switchdev_port_fdb_add,
-	.ndo_fdb_del		= switchdev_port_fdb_del,
-	.ndo_fdb_dump		= switchdev_port_fdb_dump,
 	.ndo_features_check	= passthru_features_check,
 };
 

include/net/switchdev.h

@@ -46,6 +46,7 @@ enum switchdev_attr_id {
 	SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
 	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
 	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
+	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
 	SWITCHDEV_ATTR_ID_PORT_MROUTER,
 	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
 	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
@@ -62,6 +63,7 @@ struct switchdev_attr {
 		struct netdev_phys_item_id ppid;	/* PORT_PARENT_ID */
 		u8 stp_state;				/* PORT_STP_STATE */
 		unsigned long brport_flags;		/* PORT_BRIDGE_FLAGS */
+		unsigned long brport_flags_support;	/* PORT_BRIDGE_FLAGS_SUPPORT */
 		bool mrouter;				/* PORT_MROUTER */
 		clock_t ageing_time;			/* BRIDGE_AGEING_TIME */
 		bool vlan_filtering;			/* BRIDGE_VLAN_FILTERING */
@@ -153,8 +155,11 @@ struct switchdev_ops {
 };
 
 enum switchdev_notifier_type {
-	SWITCHDEV_FDB_ADD = 1,
-	SWITCHDEV_FDB_DEL,
+	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
+	SWITCHDEV_FDB_DEL_TO_BRIDGE,
+	SWITCHDEV_FDB_ADD_TO_DEVICE,
+	SWITCHDEV_FDB_DEL_TO_DEVICE,
+	SWITCHDEV_FDB_OFFLOADED,
 };
 
 struct switchdev_notifier_info {

include/uapi/linux/neighbour.h

@@ -41,6 +41,7 @@ enum {
 #define NTF_MASTER	0x04
 #define NTF_PROXY	0x08	/* == ATF_PUBL */
 #define NTF_EXT_LEARNED	0x10
+#define NTF_OFFLOADED   0x20
 #define NTF_ROUTER	0x80
 
 /*

net/8021q/vlan_dev.c

@@ -797,12 +797,6 @@ static const struct net_device_ops vlan_netdev_ops = {
 	.ndo_netpoll_cleanup	= vlan_dev_netpoll_cleanup,
 #endif
 	.ndo_fix_features	= vlan_dev_fix_features,
-	.ndo_fdb_add		= switchdev_port_fdb_add,
-	.ndo_fdb_del		= switchdev_port_fdb_del,
-	.ndo_fdb_dump		= switchdev_port_fdb_dump,
-	.ndo_bridge_setlink	= switchdev_port_bridge_setlink,
-	.ndo_bridge_getlink	= switchdev_port_bridge_getlink,
-	.ndo_bridge_dellink	= switchdev_port_bridge_dellink,
 	.ndo_get_lock_subclass  = vlan_dev_get_lock_subclass,
 	.ndo_get_iflink		= vlan_dev_get_iflink,
 };

net/bridge/br.c

@@ -121,7 +121,7 @@ static struct notifier_block br_device_notifier = {
 	.notifier_call = br_device_event
 };
 
-/* called with RTNL */
+/* called with RTNL or RCU */
 static int br_switchdev_event(struct notifier_block *unused,
 			      unsigned long event, void *ptr)
 {
@@ -131,27 +131,36 @@ static int br_switchdev_event(struct notifier_block *unused,
 	struct switchdev_notifier_fdb_info *fdb_info;
 	int err = NOTIFY_DONE;
 
-	p = br_port_get_rtnl(dev);
+	p = br_port_get_rtnl_rcu(dev);
 	if (!p)
 		goto out;
 
 	br = p->br;
 
 	switch (event) {
-	case SWITCHDEV_FDB_ADD:
+	case SWITCHDEV_FDB_ADD_TO_BRIDGE:
 		fdb_info = ptr;
 		err = br_fdb_external_learn_add(br, p, fdb_info->addr,
 						fdb_info->vid);
-		if (err)
+		if (err) {
 			err = notifier_from_errno(err);
 			break;
-	case SWITCHDEV_FDB_DEL:
+		}
+		br_fdb_offloaded_set(br, p, fdb_info->addr,
+				     fdb_info->vid);
+		break;
+	case SWITCHDEV_FDB_DEL_TO_BRIDGE:
 		fdb_info = ptr;
 		err = br_fdb_external_learn_del(br, p, fdb_info->addr,
 						fdb_info->vid);
 		if (err)
 			err = notifier_from_errno(err);
 		break;
+	case SWITCHDEV_FDB_OFFLOADED:
+		fdb_info = ptr;
+		br_fdb_offloaded_set(br, p, fdb_info->addr,
+				     fdb_info->vid);
+		break;
 	}
 
 out:

net/bridge/br_fdb.c

@@ -511,6 +511,7 @@ static struct net_bridge_fdb_entry *fdb_create(struct hlist_head *head,
 		fdb->is_static = is_static;
 		fdb->added_by_user = 0;
 		fdb->added_by_external_learn = 0;
+		fdb->offloaded = 0;
 		fdb->updated = fdb->used = jiffies;
 		hlist_add_head_rcu(&fdb->hlist, head);
 	}
@@ -647,11 +648,16 @@ static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
 	ndm->ndm_family	 = AF_BRIDGE;
 	ndm->ndm_pad1    = 0;
 	ndm->ndm_pad2    = 0;
-	ndm->ndm_flags	 = fdb->added_by_external_learn ? NTF_EXT_LEARNED : 0;
+	ndm->ndm_flags	 = 0;
 	ndm->ndm_type	 = 0;
 	ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;
 	ndm->ndm_state   = fdb_to_nud(br, fdb);
 
+	if (fdb->offloaded)
+		ndm->ndm_flags |= NTF_OFFLOADED;
+	if (fdb->added_by_external_learn)
+		ndm->ndm_flags |= NTF_EXT_LEARNED;
+
 	if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr))
 		goto nla_put_failure;
 	if (nla_put_u32(skb, NDA_MASTER, br->dev->ifindex))
@@ -690,6 +696,8 @@ static void fdb_notify(struct net_bridge *br,
 	struct sk_buff *skb;
 	int err = -ENOBUFS;
 
+	br_switchdev_fdb_notify(fdb, type);
+
 	skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC);
 	if (skb == NULL)
 		goto errout;
@@ -1075,7 +1083,6 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
 	struct net_bridge_fdb_entry *fdb;
 	int err = 0;
 
-	ASSERT_RTNL();
 	spin_lock_bh(&br->hash_lock);
 
 	head = &br->hash[br_mac_hash(addr, vid)];
@@ -1110,7 +1117,6 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
 	struct net_bridge_fdb_entry *fdb;
 	int err = 0;
 
-	ASSERT_RTNL();
 	spin_lock_bh(&br->hash_lock);
 
 	fdb = br_fdb_find(br, addr, vid);
@@ -1123,3 +1129,17 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
 
 	return err;
 }
+
+void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p,
+			  const unsigned char *addr, u16 vid)
+{
+	struct net_bridge_fdb_entry *fdb;
+
+	spin_lock_bh(&br->hash_lock);
+
+	fdb = br_fdb_find(br, addr, vid);
+	if (fdb)
+		fdb->offloaded = 1;
+
+	spin_unlock_bh(&br->hash_lock);
+}

net/bridge/br_netlink.c

@@ -662,16 +662,26 @@ static int br_set_port_state(struct net_bridge_port *p, u8 state)
 }
 
 /* Set/clear or port flags based on attribute */
-static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[],
+static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[],
 			    int attrtype, unsigned long mask)
 {
-	if (tb[attrtype]) {
-		u8 flag = nla_get_u8(tb[attrtype]);
-		if (flag)
-			p->flags |= mask;
+	unsigned long flags;
+	int err;
+
+	if (!tb[attrtype])
+		return 0;
+
+	if (nla_get_u8(tb[attrtype]))
+		flags = p->flags | mask;
 	else
-			p->flags &= ~mask;
-	}
+		flags = p->flags & ~mask;
+
+	err = br_switchdev_set_port_flag(p, flags, mask);
+	if (err)
+		return err;
+
+	p->flags = flags;
+	return 0;
 }
 
 /* Process bridge protocol info on port */
@@ -681,20 +691,55 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
 	bool br_vlan_tunnel_old = false;
 	int err;
 
-	br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE);
-	br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
-	br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE);
-	br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK);
-	br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING);
-	br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD);
-	br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD);
-	br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST);
-	br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD);
-	br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP);
-	br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI);
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP);
+	if (err)
+		return err;
+
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI);
+	if (err)
+		return err;
 
 	br_vlan_tunnel_old = (p->flags & BR_VLAN_TUNNEL) ? true : false;
-	br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL);
+	err = br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL);
+	if (err)
+		return err;
+
 	if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL))
 		nbp_vlan_tunnel_info_flush(p);
 

net/bridge/br_private.h

@@ -169,7 +169,8 @@ struct net_bridge_fdb_entry {
 	unsigned char			is_local:1,
 					is_static:1,
 					added_by_user:1,
-					added_by_external_learn:1;
+					added_by_external_learn:1,
+					offloaded:1;
 
 	/* write-heavy members should not affect lookups */
 	unsigned long			updated ____cacheline_aligned_in_smp;
@@ -284,6 +285,12 @@ static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *
 		rtnl_dereference(dev->rx_handler_data) : NULL;
 }
 
+static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev)
+{
+	return br_port_exists(dev) ?
+		rcu_dereference_rtnl(dev->rx_handler_data) : NULL;
+}
+
 struct net_bridge {
 	spinlock_t			lock;
 	spinlock_t			hash_lock;
@@ -530,6 +537,8 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
 			      const unsigned char *addr, u16 vid);
 int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
 			      const unsigned char *addr, u16 vid);
+void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p,
+			  const unsigned char *addr, u16 vid);
 
 /* br_forward.c */
 enum br_pkt_type {
@@ -1076,6 +1085,11 @@ void nbp_switchdev_frame_mark(const struct net_bridge_port *p,
 			      struct sk_buff *skb);
 bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p,
 				  const struct sk_buff *skb);
+int br_switchdev_set_port_flag(struct net_bridge_port *p,
+			       unsigned long flags,
+			       unsigned long mask);
+void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb,
+			     int type);
 #else
 static inline int nbp_switchdev_mark_set(struct net_bridge_port *p)
 {
@@ -1092,6 +1106,18 @@ static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p,
 {
 	return true;
 }
+
+static inline int br_switchdev_set_port_flag(struct net_bridge_port *p,
+					     unsigned long flags,
+					     unsigned long mask)
+{
+	return 0;
+}
+
+static inline void
+br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
+{
+}
 #endif /* CONFIG_NET_SWITCHDEV */
 
 #endif

net/bridge/br_switchdev.c

@@ -55,3 +55,79 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p,
 	return !skb->offload_fwd_mark ||
 	       BR_INPUT_SKB_CB(skb)->offload_fwd_mark != p->offload_fwd_mark;
 }
+
+/* Flags that can be offloaded to hardware */
+#define BR_PORT_FLAGS_HW_OFFLOAD (BR_LEARNING | BR_FLOOD | \
+				  BR_MCAST_FLOOD | BR_BCAST_FLOOD)
+
+int br_switchdev_set_port_flag(struct net_bridge_port *p,
+			       unsigned long flags,
+			       unsigned long mask)
+{
+	struct switchdev_attr attr = {
+		.orig_dev = p->dev,
+		.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
+	};
+	int err;
+
+	if (mask & ~BR_PORT_FLAGS_HW_OFFLOAD)
+		return 0;
+
+	err = switchdev_port_attr_get(p->dev, &attr);
+	if (err == -EOPNOTSUPP)
+		return 0;
+	if (err)
+		return err;
+
+	/* Check if specific bridge flag attribute offload is supported */
+	if (!(attr.u.brport_flags_support & mask)) {
+		br_warn(p->br, "bridge flag offload is not supported %u(%s)\n",
+			(unsigned int)p->port_no, p->dev->name);
+		return -EOPNOTSUPP;
+	}
+
+	attr.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS;
+	attr.flags = SWITCHDEV_F_DEFER;
+	attr.u.brport_flags = flags;
+	err = switchdev_port_attr_set(p->dev, &attr);
+	if (err) {
+		br_warn(p->br, "error setting offload flag on port %u(%s)\n",
+			(unsigned int)p->port_no, p->dev->name);
+		return err;
+	}
+
+	return 0;
+}
+
+static void
+br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac,
+				u16 vid, struct net_device *dev)
+{
+	struct switchdev_notifier_fdb_info info;
+	unsigned long notifier_type;
+
+	info.addr = mac;
+	info.vid = vid;
+	notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_DEVICE : SWITCHDEV_FDB_DEL_TO_DEVICE;
+	call_switchdev_notifiers(notifier_type, dev, &info.info);
+}
+
+void
+br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
+{
+	if (!fdb->added_by_user)
+		return;
+
+	switch (type) {
+	case RTM_DELNEIGH:
+		br_switchdev_fdb_call_notifiers(false, fdb->addr.addr,
+						fdb->vlan_id,
+						fdb->dst->dev);
+		break;
+	case RTM_NEWNEIGH:
+		br_switchdev_fdb_call_notifiers(true, fdb->addr.addr,
+						fdb->vlan_id,
+						fdb->dst->dev);
+		break;
+	}
+}

net/switchdev/switchdev.c

@@ -571,24 +571,17 @@ int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj,
 }
 EXPORT_SYMBOL_GPL(switchdev_port_obj_dump);
 
-static RAW_NOTIFIER_HEAD(switchdev_notif_chain);
+static ATOMIC_NOTIFIER_HEAD(switchdev_notif_chain);
 
 /**
  *	register_switchdev_notifier - Register notifier
  *	@nb: notifier_block
  *
- *	Register switch device notifier. This should be used by code
- *	which needs to monitor events happening in particular device.
- *	Return values are same as for atomic_notifier_chain_register().
+ *	Register switch device notifier.
  */
 int register_switchdev_notifier(struct notifier_block *nb)
 {
-	int err;
-
-	rtnl_lock();
-	err = raw_notifier_chain_register(&switchdev_notif_chain, nb);
-	rtnl_unlock();
-	return err;
+	return atomic_notifier_chain_register(&switchdev_notif_chain, nb);
 }
 EXPORT_SYMBOL_GPL(register_switchdev_notifier);
 
@@ -597,16 +590,10 @@ EXPORT_SYMBOL_GPL(register_switchdev_notifier);
  *	@nb: notifier_block
  *
  *	Unregister switch device notifier.
- *	Return values are same as for atomic_notifier_chain_unregister().
  */
 int unregister_switchdev_notifier(struct notifier_block *nb)
 {
-	int err;
-
-	rtnl_lock();
-	err = raw_notifier_chain_unregister(&switchdev_notif_chain, nb);
-	rtnl_unlock();
-	return err;
+	return atomic_notifier_chain_unregister(&switchdev_notif_chain, nb);
 }
 EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
 
@@ -616,18 +603,13 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
  *	@dev: port device
  *	@info: notifier information data
  *
- *	Call all network notifier blocks. This should be called by driver
- *	when it needs to propagate hardware event.
- *	Return values are same as for atomic_notifier_call_chain().
- *	rtnl_lock must be held.
+ *	Call all network notifier blocks.
  */
 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
 			     struct switchdev_notifier_info *info)
 {
-	ASSERT_RTNL();
-
 	info->dev = dev;
-	return raw_notifier_call_chain(&switchdev_notif_chain, val, info);
+	return atomic_notifier_call_chain(&switchdev_notif_chain, val, info);
 }
 EXPORT_SYMBOL_GPL(call_switchdev_notifiers);