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