include/net/net_failover.h

   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 */