1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2007-2019  B.A.T.M.A.N. contributors:
3  *
4  * Marek Lindner, Simon Wunderlich, Antonio Quartulli
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of version 2 of the GNU General Public
8  * License as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
20 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
21 
22 #include "main.h"
23 
24 #include <linux/types.h>
25 
26 struct netlink_callback;
27 struct net_device;
28 struct seq_file;
29 struct sk_buff;
30 
31 int batadv_tt_init(struct batadv_priv *bat_priv);
32 bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
33 			 unsigned short vid, int ifindex, u32 mark);
34 u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
35 			   const u8 *addr, unsigned short vid,
36 			   const char *message, bool roaming);
37 int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
38 int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
39 int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
40 int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
41 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
42 			       struct batadv_orig_node *orig_node,
43 			       s32 match_vid, const char *message);
44 int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
45 				const u8 *addr, unsigned short vid);
46 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
47 						  const u8 *src, const u8 *addr,
48 						  unsigned short vid);
49 void batadv_tt_free(struct batadv_priv *bat_priv);
50 bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
51 			 unsigned short vid);
52 bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
53 			   unsigned short vid);
54 void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
55 bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
56 					u8 *addr, unsigned short vid);
57 bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
58 				       u8 *addr, unsigned short vid);
59 void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
60 bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
61 					  struct batadv_orig_node *orig_node,
62 					  const unsigned char *addr,
63 					  unsigned short vid);
64 bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
65 				  const u8 *addr, unsigned short vid);
66 
67 int batadv_tt_cache_init(void);
68 void batadv_tt_cache_destroy(void);
69 
70 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
71