[linux-block.git] / net / hsr / hsr_slave.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2011-2014 Autronica Fire and Security AS
 *
 *	2011-2014 Arvid Brodin, arvid.brodin@alten.se
 *
 * include file for HSR and PRP.
 */

#ifndef __HSR_SLAVE_H
#define __HSR_SLAVE_H

#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include "hsr_main.h"

int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
		 enum hsr_port_type pt, struct netlink_ext_ack *extack);
void hsr_del_port(struct hsr_port *port);
bool hsr_port_exists(const struct net_device *dev);

static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev)
{
	ASSERT_RTNL();
	return hsr_port_exists(dev) ?
				rtnl_dereference(dev->rx_handler_data) : NULL;
}

static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev)
{
	return hsr_port_exists(dev) ?
				rcu_dereference(dev->rx_handler_data) : NULL;
}

bool hsr_invalid_dan_ingress_frame(__be16 protocol);

#endif /* __HSR_SLAVE_H */
Commit	Line	Data
0e7623bd	1	/* SPDX-License-Identifier: GPL-2.0 */
81ba6afd AB	2	/* Copyright 2011-2014 Autronica Fire and Security AS
81ba6afd AB	3	*
81ba6afd	4	* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
8f4c0e01 MK	5	*
8f4c0e01 MK	6	* include file for HSR and PRP.
81ba6afd AB	7	*/
	8
	9	#ifndef __HSR_SLAVE_H
	10	#define __HSR_SLAVE_H
	11
	12	#include <linux/skbuff.h>
	13	#include <linux/netdevice.h>
c5a75911	14	#include <linux/rtnetlink.h>
51f3c605	15	#include "hsr_main.h"
81ba6afd	16
c5a75911	17	int hsr_add_port(struct hsr_priv hsr, struct net_device dev,
13eeb5fe	18	enum hsr_port_type pt, struct netlink_ext_ack *extack);
c5a75911	19	void hsr_del_port(struct hsr_port *port);
f266a683	20	bool hsr_port_exists(const struct net_device *dev);
c5a75911 AB	21
	22	static inline struct hsr_port hsr_port_get_rtnl(const struct net_device dev)
	23	{
	24	ASSERT_RTNL();
	25	return hsr_port_exists(dev) ?
	26	rtnl_dereference(dev->rx_handler_data) : NULL;
	27	}
	28
	29	static inline struct hsr_port hsr_port_get_rcu(const struct net_device dev)
	30	{
	31	return hsr_port_exists(dev) ?
	32	rcu_dereference(dev->rx_handler_data) : NULL;
	33	}
	34
451d8123 MK	35	bool hsr_invalid_dan_ingress_frame(__be16 protocol);
451d8123 MK	36
81ba6afd	37	#endif /* __HSR_SLAVE_H */