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 
7 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
8 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
9 
10 #include "main.h"
11 
12 #include <linux/netdevice.h>
13 #include <linux/netlink.h>
14 #include <linux/seq_file.h>
15 #include <linux/skbuff.h>
16 #include <linux/types.h>
17 
18 int batadv_tt_init(struct batadv_priv *bat_priv);
19 bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
20 			 unsigned short vid, int ifindex, u32 mark);
21 u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
22 			   const u8 *addr, unsigned short vid,
23 			   const char *message, bool roaming);
24 int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
25 int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
26 int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
27 int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
28 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
29 			       struct batadv_orig_node *orig_node,
30 			       s32 match_vid, const char *message);
31 struct batadv_tt_global_entry *
32 batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
33 			   unsigned short vid);
34 void batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry);
35 int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
36 				const u8 *addr, unsigned short vid);
37 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
38 						  const u8 *src, const u8 *addr,
39 						  unsigned short vid);
40 void batadv_tt_free(struct batadv_priv *bat_priv);
41 bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
42 			 unsigned short vid);
43 bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
44 			   unsigned short vid);
45 void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
46 bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
47 					u8 *addr, unsigned short vid);
48 bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
49 				       u8 *addr, unsigned short vid);
50 void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
51 bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
52 					  struct batadv_orig_node *orig_node,
53 					  const unsigned char *addr,
54 					  unsigned short vid);
55 bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
56 				  const u8 *addr, unsigned short vid);
57 
58 int batadv_tt_cache_init(void);
59 void batadv_tt_cache_destroy(void);
60 
61 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
62