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