| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 7 | #ifndef __HSR_SLAVE_H |
| 8 | #define __HSR_SLAVE_H |
| 9 | |
| 10 | #include <linux/skbuff.h> |
| 11 | #include <linux/netdevice.h> |
| 12 | #include <linux/rtnetlink.h> |
| 13 | #include "hsr_main.h" |
| 14 | |
| 15 | int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, |
| 16 | enum hsr_port_type pt); |
| 17 | void hsr_del_port(struct hsr_port *port); |
| 18 | bool hsr_port_exists(const struct net_device *dev); |
| 19 | |
| 20 | static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev) |
| 21 | { |
| 22 | ASSERT_RTNL(); |
| 23 | return hsr_port_exists(dev) ? |
| 24 | rtnl_dereference(dev->rx_handler_data) : NULL; |
| 25 | } |
| 26 | |
| 27 | static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev) |
| 28 | { |
| 29 | return hsr_port_exists(dev) ? |
| 30 | rcu_dereference(dev->rx_handler_data) : NULL; |
| 31 | } |
| 32 | |
| 33 | #endif /* __HSR_SLAVE_H */ |