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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2011-2014 Autronica Fire and Security AS
*
* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
*/
#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);
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;
}
#endif /* __HSR_SLAVE_H */
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