swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
Raw File
Tip revision: 92ed301919932f777713b9172e525674157e983d authored by Linus Torvalds on 26 July 2020, 21:14:06 UTC
Linux 5.8-rc7
Tip revision: 92ed301
failover.h
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */

#ifndef _FAILOVER_H
#define _FAILOVER_H

#include <linux/netdevice.h>

struct failover_ops {
	int (*slave_pre_register)(struct net_device *slave_dev,
				  struct net_device *failover_dev);
	int (*slave_register)(struct net_device *slave_dev,
			      struct net_device *failover_dev);
	int (*slave_pre_unregister)(struct net_device *slave_dev,
				    struct net_device *failover_dev);
	int (*slave_unregister)(struct net_device *slave_dev,
				struct net_device *failover_dev);
	int (*slave_link_change)(struct net_device *slave_dev,
				 struct net_device *failover_dev);
	int (*slave_name_change)(struct net_device *slave_dev,
				 struct net_device *failover_dev);
	rx_handler_result_t (*slave_handle_frame)(struct sk_buff **pskb);
};

struct failover {
	struct list_head list;
	struct net_device __rcu *failover_dev;
	struct failover_ops __rcu *ops;
};

struct failover *failover_register(struct net_device *dev,
				   struct failover_ops *ops);
void failover_unregister(struct failover *failover);
int failover_slave_unregister(struct net_device *slave_dev);

#endif /* _FAILOVER_H */
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