xref: /linux/net/batman-adv/translation-table.h (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
1 /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
2  *
3  * Marek Lindner, Simon Wunderlich, Antonio Quartulli
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of version 2 of the GNU General Public
7  * License as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA
18  */
19 
20 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
21 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
22 
23 int batadv_tt_len(int changes_num);
24 int batadv_tt_init(struct batadv_priv *bat_priv);
25 void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
26 			 int ifindex);
27 void batadv_tt_local_remove(struct batadv_priv *bat_priv,
28 			    const uint8_t *addr, const char *message,
29 			    bool roaming);
30 int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
31 void batadv_tt_global_add_orig(struct batadv_priv *bat_priv,
32 			       struct batadv_orig_node *orig_node,
33 			       const unsigned char *tt_buff, int tt_buff_len);
34 int batadv_tt_global_add(struct batadv_priv *bat_priv,
35 			 struct batadv_orig_node *orig_node,
36 			 const unsigned char *addr, uint8_t flags,
37 			 uint8_t ttvn);
38 int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
39 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
40 			       struct batadv_orig_node *orig_node,
41 			       const char *message);
42 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
43 						  const uint8_t *src,
44 						  const uint8_t *addr);
45 void batadv_tt_free(struct batadv_priv *bat_priv);
46 bool batadv_send_tt_response(struct batadv_priv *bat_priv,
47 			     struct batadv_tt_query_packet *tt_request);
48 bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
49 void batadv_handle_tt_response(struct batadv_priv *bat_priv,
50 			       struct batadv_tt_query_packet *tt_response);
51 bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
52 			   uint8_t *dst);
53 void batadv_tt_update_orig(struct batadv_priv *bat_priv,
54 			   struct batadv_orig_node *orig_node,
55 			   const unsigned char *tt_buff, uint8_t tt_num_changes,
56 			   uint8_t ttvn, uint16_t tt_crc);
57 int batadv_tt_append_diff(struct batadv_priv *bat_priv,
58 			  unsigned char **packet_buff, int *packet_buff_len,
59 			  int packet_min_len);
60 bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
61 					uint8_t *addr);
62 
63 
64 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
65