linux-stable/include/net/failover.h
Eric Dumazet 095e200f17 net: failover: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-06 16:06:02 -08:00

37 lines
1.2 KiB
C

/* 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;
netdevice_tracker dev_tracker;
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 */