mlxsw: spectrum_switchdev: Consider mrouter status for mdb changes

When a mrouter is registered or leaves a mid, don't update the HW.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -1491,6 +1491,9 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
 	if (!bridge_device->multicast_enabled)
 		return 0;
 
+	if (bridge_port->mrouter)
+		return 0;
+
 	err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true);
 	if (err) {
 		netdev_err(dev, "Unable to set SMID\n");
@@ -1613,11 +1616,13 @@ __mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
 	int err;
 
 	if (bridge_port->bridge_device->multicast_enabled) {
-		err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false);
-
+		if (bridge_port->bridge_device->multicast_enabled) {
+			err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid,
+						     false);
 			if (err)
 				netdev_err(dev, "Unable to remove port from SMID\n");
 		}
+	}
 
 	err = mlxsw_sp_port_remove_from_mid(mlxsw_sp_port, mid);
 	if (err)