1 /* Copyright 2011-2014 Autronica Fire and Security AS
3 * This program is free software; you can redistribute it and/or modify it
4 * under the terms of the GNU General Public License as published by the Free
5 * Software Foundation; either version 2 of the License, or (at your option)
9 * 2011-2014 Arvid Brodin, arvid.brodin@alten.se
15 #include <linux/skbuff.h>
16 #include <linux/netdevice.h>
17 #include <linux/rtnetlink.h>
20 int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
21 enum hsr_port_type pt);
22 void hsr_del_port(struct hsr_port *port);
23 rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb);
26 #define hsr_for_each_port(hsr, port) \
27 list_for_each_entry_rcu((port), &(hsr)->ports, port_list)
30 static inline bool hsr_port_exists(const struct net_device *dev)
32 return dev->rx_handler == hsr_handle_frame;
35 static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev)
38 return hsr_port_exists(dev) ?
39 rtnl_dereference(dev->rx_handler_data) : NULL;
42 static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev)
44 return hsr_port_exists(dev) ?
45 rcu_dereference(dev->rx_handler_data) : NULL;
48 #endif /* __HSR_SLAVE_H */