LXR linux/include/net/net

   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 */
  10struct 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
  30struct failover *net_failover_create(struct net_device *standby_dev);
  31void 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