| /* Copyright 2011-2014 Autronica Fire and Security AS |
| * |
| * 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. |
| * |
| * Author(s): |
| * 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); |
| rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb); |
| |
| |
| #define hsr_for_each_port(hsr, port) \ |
| list_for_each_entry_rcu((port), &(hsr)->ports, port_list) |
| |
| |
| static inline bool hsr_port_exists(const struct net_device *dev) |
| { |
| return dev->rx_handler == hsr_handle_frame; |
| } |
| |
| 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 */ |