/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */

#ifndef _NET_FAILOVER_H
#define _NET_FAILOVER_H

#include <net/failover.h>

/* failover state */
struct net_failover_info {
        /* primary netdev with same MAC */
        struct net_device __rcu *primary_dev;

        /* standby netdev */
        struct net_device __rcu *standby_dev;

        /* primary netdev stats */
        struct rtnl_link_stats64 primary_stats;

        /* standby netdev stats */
        struct rtnl_link_stats64 standby_stats;

        /* aggregated stats */
        struct rtnl_link_stats64 failover_stats;

        /* spinlock while updating stats */
        spinlock_t stats_lock;
};

struct failover *net_failover_create(struct net_device *standby_dev);
void net_failover_destroy(struct failover *failover);

#define FAILOVER_VLAN_FEATURES  (NETIF_F_HW_CSUM | NETIF_F_SG | \
                                 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
                                 NETIF_F_HIGHDMA | NETIF_F_LRO)

#define FAILOVER_ENC_FEATURES   (NETIF_F_HW_CSUM | NETIF_F_SG | \
                                 NETIF_F_RXCSUM | NETIF_F_ALL_TSO)

#endif /* _NET_FAILOVER_H */