/* * net/switchdev/switchdev.c - Switch device API * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include <linux/kernel.h>#include <linux/types.h>#include <linux/init.h>#include <linux/netdevice.h>#include <net/switchdev.h> /** *	netdev_switch_parent_id_get - Get ID of a switch *	@dev: port device *	@psid: switch ID * *	Get ID of a switch this port is part of. */int netdev_switch_parent_id_get(struct net_device *dev,				struct netdev_phys_item_id *psid){	const struct net_device_ops *ops = dev->netdev_ops; 	if (!ops->ndo_switch_parent_id_get)		return -EOPNOTSUPP;	return ops->ndo_switch_parent_id_get(dev, psid);}EXPORT_SYMBOL(netdev_switch_parent_id_get); /** *	netdev_switch_port_stp_update - Notify switch device port of STP *					state change *	@dev: port device *	@state: port STP state * *	Notify switch device port of bridge port STP state change. */int netdev_switch_port_stp_update(struct net_device *dev, u8 state){	const struct net_device_ops *ops = dev->netdev_ops; 	if (!ops->ndo_switch_port_stp_update)		return -EOPNOTSUPP;	WARN_ON(!ops->ndo_switch_parent_id_get);	return ops->ndo_switch_port_stp_update(dev, state);}EXPORT_SYMBOL(netdev_switch_port_stp_update);