net/batman-adv/network-coding.h

   1 /* Copyright (C) 2012-2014 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 #ifdef CONFIG_BATMAN_ADV_NC
  22
  23 void batadv_nc_status_update(struct net_device *net_dev);
  24 int batadv_nc_init(void);
  25 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  26 void batadv_nc_mesh_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 void batadv_nc_status_update(struct net_device *net_dev)
  50 {
  51 }
  52
  53 static inline int batadv_nc_init(void)
  54 {
  55         return 0;
  56 }
  57
  58 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  59 {
  60         return 0;
  61 }
  62
  63 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  64 {
  65 }
  66
  67 static inline void
  68 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  69                          struct batadv_orig_node *orig_node,
  70                          struct batadv_orig_node *orig_neigh_node,
  71                          struct batadv_ogm_packet *ogm_packet,
  72                          int is_single_hop_neigh)
  73 {
  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 }
  83
  84 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  85 {
  86 }
  87
  88 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  89 {
  90 }
  91
  92 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
  93                                          struct batadv_neigh_node *neigh_node)
  94 {
  95         return false;
  96 }
  97
  98 static inline void
  99 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 100                                  struct sk_buff *skb)
 101 {
 102 }
 103
 104 static inline void
 105 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 106                                     struct sk_buff *skb)
 107 {
 108 }
 109
 110 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
 111                                                  void *offset)
 112 {
 113         return 0;
 114 }
 115
 116 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
 117 {
 118         return 0;
 119 }
 120
 121 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
 122
 123 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */