net/batman-adv/network-coding.h

   1 /* Copyright (C) 2012-2013 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, 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_NETWORK_CODING_H_
  21 #define _NET_BATMAN_ADV_NETWORK_CODING_H_
  22
  23 #ifdef CONFIG_BATMAN_ADV_NC
  24
  25 int batadv_nc_init(void);
  26 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  27 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  28 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  29                               struct batadv_orig_node *orig_node,
  30                               struct batadv_orig_node *orig_neigh_node,
  31                               struct batadv_ogm_packet *ogm_packet,
  32                               int is_single_hop_neigh);
  33 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  34                           struct batadv_orig_node *orig_node,
  35                           bool (*to_purge)(struct batadv_priv *,
  36                                            struct batadv_nc_node *));
  37 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  38 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  39 bool batadv_nc_skb_forward(struct sk_buff *skb,
  40                            struct batadv_neigh_node *neigh_node,
  41                            struct ethhdr *ethhdr);
  42 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  43                                       struct sk_buff *skb);
  44 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  45                                          struct sk_buff *skb);
  46 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
  47 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
  48
  49 #else /* ifdef CONFIG_BATMAN_ADV_NC */
  50
  51 static inline int batadv_nc_init(void)
  52 {
  53         return 0;
  54 }
  55
  56 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  57 {
  58         return 0;
  59 }
  60
  61 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  62 {
  63         return;
  64 }
  65
  66 static inline void
  67 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  68                          struct batadv_orig_node *orig_node,
  69                          struct batadv_orig_node *orig_neigh_node,
  70                          struct batadv_ogm_packet *ogm_packet,
  71                          int is_single_hop_neigh)
  72 {
  73         return;
  74 }
  75
  76 static inline void
  77 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  78                      struct batadv_orig_node *orig_node,
  79                      bool (*to_purge)(struct batadv_priv *,
  80                                       struct batadv_nc_node *))
  81 {
  82         return;
  83 }
  84
  85 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  86 {
  87         return;
  88 }
  89
  90 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  91 {
  92         return;
  93 }
  94
  95 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
  96                                          struct batadv_neigh_node *neigh_node,
  97                                          struct ethhdr *ethhdr)
  98 {
  99         return false;
 100 }
 101
 102 static inline void
 103 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 104                                  struct sk_buff *skb)
 105 {
 106         return;
 107 }
 108
 109 static inline void
 110 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 111                                     struct sk_buff *skb)
 112 {
 113         return;
 114 }
 115
 116 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
 117                                                  void *offset)
 118 {
 119         return 0;
 120 }
 121
 122 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
 123 {
 124         return 0;
 125 }
 126
 127 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
 128
 129 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */