translation-table.h 2.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /* Copyright (C) 2007-2020 B.A.T.M.A.N. contributors:
  3. *
  4. * Marek Lindner, Simon Wunderlich, Antonio Quartulli
  5. */
  6. #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
  7. #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
  8. #include "main.h"
  9. #include <linux/kref.h>
  10. #include <linux/netdevice.h>
  11. #include <linux/netlink.h>
  12. #include <linux/seq_file.h>
  13. #include <linux/skbuff.h>
  14. #include <linux/types.h>
  15. int batadv_tt_init(struct batadv_priv *bat_priv);
  16. bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
  17. unsigned short vid, int ifindex, u32 mark);
  18. u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
  19. const u8 *addr, unsigned short vid,
  20. const char *message, bool roaming);
  21. int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
  22. int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
  23. int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
  24. int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
  25. void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
  26. struct batadv_orig_node *orig_node,
  27. s32 match_vid, const char *message);
  28. struct batadv_tt_global_entry *
  29. batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
  30. unsigned short vid);
  31. void batadv_tt_global_entry_release(struct kref *ref);
  32. int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
  33. const u8 *addr, unsigned short vid);
  34. struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
  35. const u8 *src, const u8 *addr,
  36. unsigned short vid);
  37. void batadv_tt_free(struct batadv_priv *bat_priv);
  38. bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
  39. unsigned short vid);
  40. bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
  41. unsigned short vid);
  42. void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
  43. bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
  44. u8 *addr, unsigned short vid);
  45. bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
  46. u8 *addr, unsigned short vid);
  47. void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
  48. bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
  49. struct batadv_orig_node *orig_node,
  50. const unsigned char *addr,
  51. unsigned short vid);
  52. bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
  53. const u8 *addr, unsigned short vid);
  54. int batadv_tt_cache_init(void);
  55. void batadv_tt_cache_destroy(void);
  56. /**
  57. * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
  58. * possibly release it
  59. * @tt_global_entry: tt_global_entry to be free'd
  60. */
  61. static inline void
  62. batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
  63. {
  64. if (!tt_global_entry)
  65. return;
  66. kref_put(&tt_global_entry->common.refcount,
  67. batadv_tt_global_entry_release);
  68. }
  69. #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */