net/batman-adv/tvlv.h

   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_ */