include/net/failover.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright (c) 2018, Intel Corporation. */
0003
0004 #ifndef _FAILOVER_H
0005 #define _FAILOVER_H
0006
0007 #include <linux/netdevice.h>
0008
0009 struct failover_ops {
0010     int (*slave_pre_register)(struct net_device *slave_dev,
0011                   struct net_device *failover_dev);
0012     int (*slave_register)(struct net_device *slave_dev,
0013                   struct net_device *failover_dev);
0014     int (*slave_pre_unregister)(struct net_device *slave_dev,
0015                     struct net_device *failover_dev);
0016     int (*slave_unregister)(struct net_device *slave_dev,
0017                 struct net_device *failover_dev);
0018     int (*slave_link_change)(struct net_device *slave_dev,
0019                  struct net_device *failover_dev);
0020     int (*slave_name_change)(struct net_device *slave_dev,
0021                  struct net_device *failover_dev);
0022     rx_handler_result_t (*slave_handle_frame)(struct sk_buff **pskb);
0023 };
0024
0025 struct failover {
0026     struct list_head list;
0027     struct net_device __rcu *failover_dev;
0028     netdevice_tracker   dev_tracker;
0029     struct failover_ops __rcu *ops;
0030 };
0031
0032 struct failover *failover_register(struct net_device *dev,
0033                    struct failover_ops *ops);
0034 void failover_unregister(struct failover *failover);
0035 int failover_slave_unregister(struct net_device *slave_dev);
0036
0037 #endif /* _FAILOVER_H */