| Sridhar Samudrala | cfc80d9 | 2018-05-24 09:55:15 -0700 | [diff] [blame] | 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 */ |