1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright 2011-2014 Autronica Fire and Security AS 3 * 4 * 2011-2014 Arvid Brodin, arvid.brodin@alten.se 5 * 6 * include file for HSR and PRP. 7 */ 8 9 #ifndef __HSR_SLAVE_H 10 #define __HSR_SLAVE_H 11 12 #include <linux/skbuff.h> 13 #include <linux/netdevice.h> 14 #include <linux/rtnetlink.h> 15 #include "hsr_main.h" 16 17 int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, 18 enum hsr_port_type pt, struct netlink_ext_ack *extack); 19 void hsr_del_port(struct hsr_port *port); 20 bool hsr_port_exists(const struct net_device *dev); 21 hsr_port_get_rtnl(const struct net_device * dev)22static 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 hsr_port_get_rcu(const struct net_device * dev)29static 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 35 bool hsr_invalid_dan_ingress_frame(__be16 protocol); 36 37 #endif /* __HSR_SLAVE_H */ 38