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