include/net/failover.h

   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 */