xref: /openbmc/linux/net/batman-adv/tvlv.h (revision be709d48)
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
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_TVLV_H_
20 #define _NET_BATMAN_ADV_TVLV_H_
21 
22 #include "main.h"
23 
24 #include <linux/types.h>
25 
26 struct batadv_ogm_packet;
27 
28 void batadv_tvlv_container_register(struct batadv_priv *bat_priv,
29 				    u8 type, u8 version,
30 				    void *tvlv_value, u16 tvlv_value_len);
31 u16 batadv_tvlv_container_ogm_append(struct batadv_priv *bat_priv,
32 				     unsigned char **packet_buff,
33 				     int *packet_buff_len, int packet_min_len);
34 void batadv_tvlv_ogm_receive(struct batadv_priv *bat_priv,
35 			     struct batadv_ogm_packet *batadv_ogm_packet,
36 			     struct batadv_orig_node *orig_node);
37 void batadv_tvlv_container_unregister(struct batadv_priv *bat_priv,
38 				      u8 type, u8 version);
39 
40 void batadv_tvlv_handler_register(struct batadv_priv *bat_priv,
41 				  void (*optr)(struct batadv_priv *bat_priv,
42 					       struct batadv_orig_node *orig,
43 					       u8 flags,
44 					       void *tvlv_value,
45 					       u16 tvlv_value_len),
46 				  int (*uptr)(struct batadv_priv *bat_priv,
47 					      u8 *src, u8 *dst,
48 					      void *tvlv_value,
49 					      u16 tvlv_value_len),
50 				  u8 type, u8 version, u8 flags);
51 void batadv_tvlv_handler_unregister(struct batadv_priv *bat_priv,
52 				    u8 type, u8 version);
53 int batadv_tvlv_containers_process(struct batadv_priv *bat_priv,
54 				   bool ogm_source,
55 				   struct batadv_orig_node *orig_node,
56 				   u8 *src, u8 *dst,
57 				   void *tvlv_buff, u16 tvlv_buff_len);
58 void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, u8 *src,
59 			      u8 *dst, u8 type, u8 version,
60 			      void *tvlv_value, u16 tvlv_value_len);
61 
62 #endif /* _NET_BATMAN_ADV_TVLV_H_ */
63