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Sven Eckelmann7db7d9f2017-11-19 15:05:11 +01001/* SPDX-License-Identifier: GPL-2.0 */
Sven Eckelmanncfa55c62021-01-01 00:00:01 +01002/* Copyright (C) B.A.T.M.A.N. contributors:
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +00003 *
Antonio Quartulli35c133a2012-03-14 13:03:01 +01004 * Marek Lindner, Simon Wunderlich, Antonio Quartulli
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +00005 */
6
7#ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
8#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
9
Sven Eckelmann1e2c2a42015-04-17 19:40:28 +020010#include "main.h"
11
Sven Eckelmann6340dcb2021-08-08 19:56:17 +020012#include <linux/kref.h>
Sven Eckelmann68a600d2019-05-24 20:11:17 +020013#include <linux/netdevice.h>
14#include <linux/netlink.h>
Sven Eckelmann68a600d2019-05-24 20:11:17 +020015#include <linux/skbuff.h>
Sven Eckelmann1e2c2a42015-04-17 19:40:28 +020016#include <linux/types.h>
17
Sven Eckelmann56303d32012-06-05 22:31:31 +020018int batadv_tt_init(struct batadv_priv *bat_priv);
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020019bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
20 unsigned short vid, int ifindex, u32 mark);
21u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
22 const u8 *addr, unsigned short vid,
23 const char *message, bool roaming);
Matthias Schifferd34f0552016-07-03 13:31:37 +020024int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
25int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
Sven Eckelmann56303d32012-06-05 22:31:31 +020026void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
27 struct batadv_orig_node *orig_node,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020028 s32 match_vid, const char *message);
Linus Lüssing32e72742019-03-23 05:47:41 +010029struct batadv_tt_global_entry *
30batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
31 unsigned short vid);
Sven Eckelmann6340dcb2021-08-08 19:56:17 +020032void batadv_tt_global_entry_release(struct kref *ref);
Linus Lüssing1d8ab8d2014-02-15 17:47:52 +010033int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020034 const u8 *addr, unsigned short vid);
Sven Eckelmann56303d32012-06-05 22:31:31 +020035struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020036 const u8 *src, const u8 *addr,
Antonio Quartullic018ad32013-06-04 12:11:39 +020037 unsigned short vid);
Sven Eckelmann56303d32012-06-05 22:31:31 +020038void batadv_tt_free(struct batadv_priv *bat_priv);
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020039bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
Antonio Quartullic018ad32013-06-04 12:11:39 +020040 unsigned short vid);
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020041bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
42 unsigned short vid);
Marek Lindnere1bf0c12013-04-23 21:40:01 +080043void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
Sven Eckelmann56303d32012-06-05 22:31:31 +020044bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020045 u8 *addr, unsigned short vid);
Antonio Quartulli7c1fd912012-09-23 22:38:34 +020046bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020047 u8 *addr, unsigned short vid);
Marek Lindnera19d3d82013-05-27 15:33:25 +080048void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
Antonio Quartulli30cfd022012-07-05 23:38:29 +020049bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
50 struct batadv_orig_node *orig_node,
Antonio Quartullic018ad32013-06-04 12:11:39 +020051 const unsigned char *addr,
52 unsigned short vid);
Antonio Quartulli42cb0be2013-11-16 12:03:52 +010053bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
Sven Eckelmann6b5e9712015-05-26 18:34:26 +020054 const u8 *addr, unsigned short vid);
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000055
Sven Eckelmann86452f82016-06-25 16:44:06 +020056int batadv_tt_cache_init(void);
57void batadv_tt_cache_destroy(void);
58
Sven Eckelmann6340dcb2021-08-08 19:56:17 +020059/**
60 * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
61 * possibly release it
62 * @tt_global_entry: tt_global_entry to be free'd
63 */
64static inline void
65batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
66{
67 if (!tt_global_entry)
68 return;
69
70 kref_put(&tt_global_entry->common.refcount,
71 batadv_tt_global_entry_release);
72}
73
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000074#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */