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 */
10 struct 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
30 struct failover *net_failover_create(struct net_device *standby_dev);
31 void 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 */
41
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