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 void batadv_nc_status_update(struct net_device *net_dev);
  26 int batadv_nc_init(void);
  27 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  28 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  29 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  30                               struct batadv_orig_node *orig_node,
  31                               struct batadv_orig_node *orig_neigh_node,
  32                               struct batadv_ogm_packet *ogm_packet,
  33                               int is_single_hop_neigh);
  34 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  35                           struct batadv_orig_node *orig_node,
  36                           bool (*to_purge)(struct batadv_priv *,
  37                                            struct batadv_nc_node *));
  38 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  39 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  40 bool batadv_nc_skb_forward(struct sk_buff *skb,
  41                            struct batadv_neigh_node *neigh_node);
  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 void batadv_nc_status_update(struct net_device *net_dev)
  52 {
  53 }
  54
  55 static inline int batadv_nc_init(void)
  56 {
  57         return 0;
  58 }
  59
  60 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  61 {
  62         return 0;
  63 }
  64
  65 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  66 {
  67         return;
  68 }
  69
  70 static inline void
  71 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  72                          struct batadv_orig_node *orig_node,
  73                          struct batadv_orig_node *orig_neigh_node,
  74                          struct batadv_ogm_packet *ogm_packet,
  75                          int is_single_hop_neigh)
  76 {
  77         return;
  78 }
  79
  80 static inline void
  81 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  82                      struct batadv_orig_node *orig_node,
  83                      bool (*to_purge)(struct batadv_priv *,
  84                                       struct batadv_nc_node *))
  85 {
  86         return;
  87 }
  88
  89 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  90 {
  91         return;
  92 }
  93
  94 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  95 {
  96         return;
  97 }
  98
  99 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
 100                                          struct batadv_neigh_node *neigh_node)
 101 {
 102         return false;
 103 }
 104
 105 static inline void
 106 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 107                                  struct sk_buff *skb)
 108 {
 109         return;
 110 }
 111
 112 static inline void
 113 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 114                                     struct sk_buff *skb)
 115 {
 116         return;
 117 }
 118
 119 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
 120                                                  void *offset)
 121 {
 122         return 0;
 123 }
 124
 125 static 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_ */