1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2018, Intel Corporation. */
 3
 4#ifndef _NET_FAILOVER_H
 5#define _NET_FAILOVER_H
 6
 7#include <net/failover.h>
 8
 9/* failover state */
10struct net_failover_info {
11	/* primary netdev with same MAC */
12	struct net_device __rcu *primary_dev;
13
14	/* standby netdev */
15	struct net_device __rcu *standby_dev;
16
17	/* primary netdev stats */
18	struct rtnl_link_stats64 primary_stats;
19
20	/* standby netdev stats */
21	struct rtnl_link_stats64 standby_stats;
22
23	/* aggregated stats */
24	struct rtnl_link_stats64 failover_stats;
25
26	/* spinlock while updating stats */
27	spinlock_t stats_lock;
28};
29
30struct failover *net_failover_create(struct net_device *standby_dev);
31void net_failover_destroy(struct failover *failover);
32
33#define FAILOVER_VLAN_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \
34				 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
35				 NETIF_F_HIGHDMA | NETIF_F_LRO)
36
37#define FAILOVER_ENC_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \
38				 NETIF_F_RXCSUM | NETIF_F_ALL_TSO)
39
40#endif /* _NET_FAILOVER_H */