text: /* SPDX-License-Identifier: GPL-2.0 */
  /* Copyright (C) B.A.T.M.A.N. contributors:
   *
   * Marek Lindner, Simon Wunderlich, Antonio Quartulli
   */
  
  #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
  #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
  
  #include "main.h"
  
  #include <linux/kref.h>
  #include <linux/netdevice.h>
  #include <linux/netlink.h>
  #include <linux/skbuff.h>
  #include <linux/types.h>
  
  int batadv_tt_init(struct batadv_priv *bat_priv);
  bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
  			 unsigned short vid, int ifindex, u32 mark);
  u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
  			   const u8 *addr, unsigned short vid,
  			   const char *message, bool roaming);
  int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
  int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
  void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
  			       struct batadv_orig_node *orig_node,
  			       s32 match_vid, const char *message);
  struct batadv_tt_global_entry *
  batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
  			   unsigned short vid);
  void batadv_tt_global_entry_release(struct kref *ref);
  int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
  				const u8 *addr, unsigned short vid);
  struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
  						  const u8 *src, const u8 *addr,
  						  unsigned short vid);
  void batadv_tt_free(struct batadv_priv *bat_priv);
  bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
  			 unsigned short vid);
  bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
  			   unsigned short vid);
  void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
  bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
  					u8 *addr, unsigned short vid);
  bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
  				       u8 *addr, unsigned short vid);
  void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
  bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
  					  struct batadv_orig_node *orig_node,
  					  const unsigned char *addr,
  					  unsigned short vid);
  bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
  				  const u8 *addr, unsigned short vid);
  
  int batadv_tt_cache_init(void);
  void batadv_tt_cache_destroy(void);
  
  /**
   * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
   *  possibly release it
   * @tt_global_entry: tt_global_entry to be free'd
   */
  static inline void
  batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
  {
  	if (!tt_global_entry)
  		return;
  
  	kref_put(&tt_global_entry->common.refcount,
  		 batadv_tt_global_entry_release);
  }
  
  #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
  