net/batman-adv/network-coding.h

   1 /* Copyright (C) 2012-2016  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 #include "main.h"
  22
  23 #include <linux/types.h>
  24
  25 struct batadv_ogm_packet;
  26 struct net_device;
  27 struct seq_file;
  28 struct sk_buff;
  29
  30 #ifdef CONFIG_BATMAN_ADV_NC
  31
  32 void batadv_nc_status_update(struct net_device *net_dev);
  33 int batadv_nc_init(void);
  34 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  35 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  36 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  37                               struct batadv_orig_node *orig_node,
  38                               struct batadv_orig_node *orig_neigh_node,
  39                               struct batadv_ogm_packet *ogm_packet,
  40                               int is_single_hop_neigh);
  41 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  42                           struct batadv_orig_node *orig_node,
  43                           bool (*to_purge)(struct batadv_priv *,
  44                                            struct batadv_nc_node *));
  45 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  46 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  47 bool batadv_nc_skb_forward(struct sk_buff *skb,
  48                            struct batadv_neigh_node *neigh_node);
  49 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  50                                       struct sk_buff *skb);
  51 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  52                                          struct sk_buff *skb);
  53 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
  54 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
  55
  56 #else /* ifdef CONFIG_BATMAN_ADV_NC */
  57
  58 static inline void batadv_nc_status_update(struct net_device *net_dev)
  59 {
  60 }
  61
  62 static inline int batadv_nc_init(void)
  63 {
  64         return 0;
  65 }
  66
  67 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  68 {
  69         return 0;
  70 }
  71
  72 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  73 {
  74 }
  75
  76 static inline void
  77 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  78                          struct batadv_orig_node *orig_node,
  79                          struct batadv_orig_node *orig_neigh_node,
  80                          struct batadv_ogm_packet *ogm_packet,
  81                          int is_single_hop_neigh)
  82 {
  83 }
  84
  85 static inline void
  86 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  87                      struct batadv_orig_node *orig_node,
  88                      bool (*to_purge)(struct batadv_priv *,
  89                                       struct batadv_nc_node *))
  90 {
  91 }
  92
  93 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  94 {
  95 }
  96
  97 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  98 {
  99 }
 100
 101 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
 102                                          struct batadv_neigh_node *neigh_node)
 103 {
 104         return false;
 105 }
 106
 107 static inline void
 108 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 109                                  struct sk_buff *skb)
 110 {
 111 }
 112
 113 static inline void
 114 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 115                                     struct sk_buff *skb)
 116 {
 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_ */