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