LXR linux/net/batman-adv/network-coding.h

   1/* Copyright (C) 2012-2016  B.A.T.M.A.N. contributors:
   2 *
   3 * Martin Hundebøll, Jeppe Ledet-Pedersen
   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, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
  19#define _NET_BATMAN_ADV_NETWORK_CODING_H_
  20
  21#include "main.h"
  22
  23#include <linux/types.h>
  24
  25struct batadv_ogm_packet;
  26struct net_device;
  27struct seq_file;
  28struct sk_buff;
  29
  30#ifdef CONFIG_BATMAN_ADV_NC
  31
  32void batadv_nc_status_update(struct net_device *net_dev);
  33int batadv_nc_init(void);
  34int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  35void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  36void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  37                              struct batadv_orig_node *orig_node,
  38                              struct batadv_orig_node *orig_neigh_node,
  39                              struct batadv_ogm_packet *ogm_packet,
  40                              int is_single_hop_neigh);
  41void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  42                          struct batadv_orig_node *orig_node,
  43                          bool (*to_purge)(struct batadv_priv *,
  44                                           struct batadv_nc_node *));
  45void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  46void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  47bool batadv_nc_skb_forward(struct sk_buff *skb,
  48                           struct batadv_neigh_node *neigh_node);
  49void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  50                                      struct sk_buff *skb);
  51void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  52                                         struct sk_buff *skb);
  53int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
  54int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
  55
  56#else /* ifdef CONFIG_BATMAN_ADV_NC */
  57
  58static inline void batadv_nc_status_update(struct net_device *net_dev)
  59{
  60}
  61
  62static inline int batadv_nc_init(void)
  63{
  64        return 0;
  65}
  66
  67static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  68{
  69        return 0;
  70}
  71
  72static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  73{
  74}
  75
  76static inline void
  77batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  78                         struct batadv_orig_node *orig_node,
  79                         struct batadv_orig_node *orig_neigh_node,
  80                         struct batadv_ogm_packet *ogm_packet,
  81                         int is_single_hop_neigh)
  82{
  83}
  84
  85static inline void
  86batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  87                     struct batadv_orig_node *orig_node,
  88                     bool (*to_purge)(struct batadv_priv *,
  89                                      struct batadv_nc_node *))
  90{
  91}
  92
  93static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  94{
  95}
  96
  97static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  98{
  99}
 100
 101static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
 102                                         struct batadv_neigh_node *neigh_node)
 103{
 104        return false;
 105}
 106
 107static inline void
 108batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 109                                 struct sk_buff *skb)
 110{
 111}
 112
 113static inline void
 114batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 115                                    struct sk_buff *skb)
 116{
 117}
 118
 119static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
 120                                                 void *offset)
 121{
 122        return 0;
 123}
 124
 125static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
 126{
 127        return 0;
 128}
 129
 130#endif /* ifdef CONFIG_BATMAN_ADV_NC */
 131
 132#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
 133