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 netdevice_tracker dev_tracker;
29 struct failover_ops __rcu *ops;
30 };
31
32 struct failover *failover_register(struct net_device *dev,
33 struct failover_ops *ops);
34 void failover_unregister(struct failover *failover);
35 int failover_slave_unregister(struct net_device *slave_dev);
36
37 #endif /* _FAILOVER_H */
38
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