1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright (c) 2018, Intel Corporation. */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef _NET_FAILOVER_H 5*4882a593Smuzhiyun #define _NET_FAILOVER_H 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <net/failover.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* failover state */ 10*4882a593Smuzhiyun struct net_failover_info { 11*4882a593Smuzhiyun /* primary netdev with same MAC */ 12*4882a593Smuzhiyun struct net_device __rcu *primary_dev; 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* standby netdev */ 15*4882a593Smuzhiyun struct net_device __rcu *standby_dev; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* primary netdev stats */ 18*4882a593Smuzhiyun struct rtnl_link_stats64 primary_stats; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* standby netdev stats */ 21*4882a593Smuzhiyun struct rtnl_link_stats64 standby_stats; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* aggregated stats */ 24*4882a593Smuzhiyun struct rtnl_link_stats64 failover_stats; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* spinlock while updating stats */ 27*4882a593Smuzhiyun spinlock_t stats_lock; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun struct failover *net_failover_create(struct net_device *standby_dev); 31*4882a593Smuzhiyun void net_failover_destroy(struct failover *failover); 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #define FAILOVER_VLAN_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 34*4882a593Smuzhiyun NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ 35*4882a593Smuzhiyun NETIF_F_HIGHDMA | NETIF_F_LRO) 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define FAILOVER_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ 38*4882a593Smuzhiyun NETIF_F_RXCSUM | NETIF_F_ALL_TSO) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #endif /* _NET_FAILOVER_H */ 41