|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* Copyright (c) 2018, Intel Corporation. */ | 
|  |  | 
|  | #ifndef _NET_FAILOVER_H | 
|  | #define _NET_FAILOVER_H | 
|  |  | 
|  | #include <net/failover.h> | 
|  |  | 
|  | /* failover state */ | 
|  | struct net_failover_info { | 
|  | /* primary netdev with same MAC */ | 
|  | struct net_device __rcu *primary_dev; | 
|  |  | 
|  | /* standby netdev */ | 
|  | struct net_device __rcu *standby_dev; | 
|  |  | 
|  | /* primary netdev stats */ | 
|  | struct rtnl_link_stats64 primary_stats; | 
|  |  | 
|  | /* standby netdev stats */ | 
|  | struct rtnl_link_stats64 standby_stats; | 
|  |  | 
|  | /* aggregated stats */ | 
|  | struct rtnl_link_stats64 failover_stats; | 
|  |  | 
|  | /* spinlock while updating stats */ | 
|  | spinlock_t stats_lock; | 
|  | }; | 
|  |  | 
|  | struct failover *net_failover_create(struct net_device *standby_dev); | 
|  | void net_failover_destroy(struct failover *failover); | 
|  |  | 
|  | #define FAILOVER_VLAN_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \ | 
|  | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ | 
|  | NETIF_F_HIGHDMA | NETIF_F_LRO) | 
|  |  | 
|  | #define FAILOVER_ENC_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \ | 
|  | NETIF_F_RXCSUM | NETIF_F_ALL_TSO) | 
|  |  | 
|  | #endif /* _NET_FAILOVER_H */ |