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net_failover.h

net_failover.h 1023 B
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /* Copyright (c) 2018, Intel Corporation. */
    3. 

  3. 

  4. #ifndef _NET_FAILOVER_H
    5. 

  5. #define _NET_FAILOVER_H
    6. 

  6. 

  7. #include <net/failover.h>
    8. 

  8. 

  9. /* failover state */
    10. 

  10. struct net_failover_info {
    11. 

  11. 	/* primary netdev with same MAC */
    12. 

  12. 	struct net_device __rcu *primary_dev;
    13. 

  13. 

  14. 	/* standby netdev */
    15. 

  15. 	struct net_device __rcu *standby_dev;
    16. 

  16. 

  17. 	/* primary netdev stats */
    18. 

  18. 	struct rtnl_link_stats64 primary_stats;
    19. 

  19. 

  20. 	/* standby netdev stats */
    21. 

  21. 	struct rtnl_link_stats64 standby_stats;
    22. 

  22. 

  23. 	/* aggregated stats */
    24. 

  24. 	struct rtnl_link_stats64 failover_stats;
    25. 

  25. 

  26. 	/* spinlock while updating stats */
    27. 

  27. 	spinlock_t stats_lock;
    28. 

  28. };
    29. 

  29. 

  30. struct failover *net_failover_create(struct net_device *standby_dev);
    31. 

  31. void net_failover_destroy(struct failover *failover);
    32. 

  32. 

  33. #define FAILOVER_VLAN_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \
    34. 

  34. 				 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
    35. 

  35. 				 NETIF_F_HIGHDMA | NETIF_F_LRO)
    36. 

  36. 

  37. #define FAILOVER_ENC_FEATURES	(NETIF_F_HW_CSUM | NETIF_F_SG | \
    38. 

  38. 				 NETIF_F_RXCSUM | NETIF_F_ALL_TSO)
    39. 

  39. 

  40. #endif /* _NET_FAILOVER_H */
    41. 

  41.