1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
3 
4 #ifndef _FAILOVER_H
5 #define _FAILOVER_H
6 
7 #include <linux/netdevice.h>
8 
9 struct failover_ops {
10 	int (*slave_pre_register)(struct net_device *slave_dev,
11 				  struct net_device *failover_dev);
12 	int (*slave_register)(struct net_device *slave_dev,
13 			      struct net_device *failover_dev);
14 	int (*slave_pre_unregister)(struct net_device *slave_dev,
15 				    struct net_device *failover_dev);
16 	int (*slave_unregister)(struct net_device *slave_dev,
17 				struct net_device *failover_dev);
18 	int (*slave_link_change)(struct net_device *slave_dev,
19 				 struct net_device *failover_dev);
20 	int (*slave_name_change)(struct net_device *slave_dev,
21 				 struct net_device *failover_dev);
22 	rx_handler_result_t (*slave_handle_frame)(struct sk_buff **pskb);
23 };
24 
25 struct failover {
26 	struct list_head list;
27 	struct net_device __rcu *failover_dev;
28 	struct failover_ops __rcu *ops;
29 };
30 
31 struct failover *failover_register(struct net_device *dev,
32 				   struct failover_ops *ops);
33 void failover_unregister(struct failover *failover);
34 int failover_slave_unregister(struct net_device *slave_dev);
35 
36 #endif /* _FAILOVER_H */
37