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