17db7d9f3SSven Eckelmann /* SPDX-License-Identifier: GPL-2.0 */
2cfa55c6dSSven Eckelmann /* Copyright (C) B.A.T.M.A.N. contributors:
3c6c8fea2SSven Eckelmann *
435c133a0SAntonio Quartulli * Marek Lindner, Simon Wunderlich, Antonio Quartulli
5c6c8fea2SSven Eckelmann */
6c6c8fea2SSven Eckelmann
7c6c8fea2SSven Eckelmann #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
8c6c8fea2SSven Eckelmann #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
9c6c8fea2SSven Eckelmann
101e2c2a4fSSven Eckelmann #include "main.h"
111e2c2a4fSSven Eckelmann
12*6340dcbdSSven Eckelmann #include <linux/kref.h>
1368a600deSSven Eckelmann #include <linux/netdevice.h>
1468a600deSSven Eckelmann #include <linux/netlink.h>
1568a600deSSven Eckelmann #include <linux/skbuff.h>
161e2c2a4fSSven Eckelmann #include <linux/types.h>
171e2c2a4fSSven Eckelmann
1856303d34SSven Eckelmann int batadv_tt_init(struct batadv_priv *bat_priv);
196b5e971aSSven Eckelmann bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
206b5e971aSSven Eckelmann unsigned short vid, int ifindex, u32 mark);
216b5e971aSSven Eckelmann u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
226b5e971aSSven Eckelmann const u8 *addr, unsigned short vid,
23c018ad3dSAntonio Quartulli const char *message, bool roaming);
24d34f0550SMatthias Schiffer int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
25d34f0550SMatthias Schiffer int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
2656303d34SSven Eckelmann void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
2756303d34SSven Eckelmann struct batadv_orig_node *orig_node,
286b5e971aSSven Eckelmann s32 match_vid, const char *message);
2932e72744SLinus Lüssing struct batadv_tt_global_entry *
3032e72744SLinus Lüssing batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
3132e72744SLinus Lüssing unsigned short vid);
32*6340dcbdSSven Eckelmann void batadv_tt_global_entry_release(struct kref *ref);
331d8ab8d3SLinus Lüssing int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
346b5e971aSSven Eckelmann const u8 *addr, unsigned short vid);
3556303d34SSven Eckelmann struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
366b5e971aSSven Eckelmann const u8 *src, const u8 *addr,
37c018ad3dSAntonio Quartulli unsigned short vid);
3856303d34SSven Eckelmann void batadv_tt_free(struct batadv_priv *bat_priv);
396b5e971aSSven Eckelmann bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
40c018ad3dSAntonio Quartulli unsigned short vid);
416b5e971aSSven Eckelmann bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
426b5e971aSSven Eckelmann unsigned short vid);
43e1bf0c14SMarek Lindner void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
4456303d34SSven Eckelmann bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
456b5e971aSSven Eckelmann u8 *addr, unsigned short vid);
467c1fd91dSAntonio Quartulli bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
476b5e971aSSven Eckelmann u8 *addr, unsigned short vid);
48a19d3d85SMarek Lindner void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
4930cfd02bSAntonio Quartulli bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
5030cfd02bSAntonio Quartulli struct batadv_orig_node *orig_node,
51c018ad3dSAntonio Quartulli const unsigned char *addr,
52c018ad3dSAntonio Quartulli unsigned short vid);
5342cb0befSAntonio Quartulli bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
546b5e971aSSven Eckelmann const u8 *addr, unsigned short vid);
55c6c8fea2SSven Eckelmann
5686452f81SSven Eckelmann int batadv_tt_cache_init(void);
5786452f81SSven Eckelmann void batadv_tt_cache_destroy(void);
5886452f81SSven Eckelmann
59*6340dcbdSSven Eckelmann /**
60*6340dcbdSSven Eckelmann * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
61*6340dcbdSSven Eckelmann * possibly release it
62*6340dcbdSSven Eckelmann * @tt_global_entry: tt_global_entry to be free'd
63*6340dcbdSSven Eckelmann */
64*6340dcbdSSven Eckelmann static inline void
batadv_tt_global_entry_put(struct batadv_tt_global_entry * tt_global_entry)65*6340dcbdSSven Eckelmann batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
66*6340dcbdSSven Eckelmann {
67*6340dcbdSSven Eckelmann if (!tt_global_entry)
68*6340dcbdSSven Eckelmann return;
69*6340dcbdSSven Eckelmann
70*6340dcbdSSven Eckelmann kref_put(&tt_global_entry->common.refcount,
71*6340dcbdSSven Eckelmann batadv_tt_global_entry_release);
72*6340dcbdSSven Eckelmann }
73*6340dcbdSSven Eckelmann
74c6c8fea2SSven Eckelmann #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
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