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failover.h

failover.h 1.2 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /* Copyright (c) 2018, Intel Corporation. */
    3. 

  3. 

  4. #ifndef _FAILOVER_H
    5. 

  5. #define _FAILOVER_H
    6. 

  6. 

  7. #include <linux/netdevice.h>
    8. 

  8. 

  9. struct failover_ops {
    10. 

  10. 	int (*slave_pre_register)(struct net_device *slave_dev,
    11. 

  11. 				  struct net_device *failover_dev);
    12. 

  12. 	int (*slave_register)(struct net_device *slave_dev,
    13. 

  13. 			      struct net_device *failover_dev);
    14. 

  14. 	int (*slave_pre_unregister)(struct net_device *slave_dev,
    15. 

  15. 				    struct net_device *failover_dev);
    16. 

  16. 	int (*slave_unregister)(struct net_device *slave_dev,
    17. 

  17. 				struct net_device *failover_dev);
    18. 

  18. 	int (*slave_link_change)(struct net_device *slave_dev,
    19. 

  19. 				 struct net_device *failover_dev);
    20. 

  20. 	int (*slave_name_change)(struct net_device *slave_dev,
    21. 

  21. 				 struct net_device *failover_dev);
    22. 

  22. 	rx_handler_result_t (*slave_handle_frame)(struct sk_buff **pskb);
    23. 

  23. };
    24. 

  24. 

  25. struct failover {
    26. 

  26. 	struct list_head list;
    27. 

  27. 	struct net_device __rcu *failover_dev;
    28. 

  28. 	netdevice_tracker	dev_tracker;
    29. 

  29. 	struct failover_ops __rcu *ops;
    30. 

  30. };
    31. 

  31. 

  32. struct failover *failover_register(struct net_device *dev,
    33. 

  33. 				   struct failover_ops *ops);
    34. 

  34. void failover_unregister(struct failover *failover);
    35. 

  35. int failover_slave_unregister(struct net_device *slave_dev);
    36. 

  36. 

  37. #endif /* _FAILOVER_H */
    38.