net/batman-adv/network-coding.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2012-2019  B.A.T.M.A.N. contributors:
   3  *
   4  * Martin Hundebøll, Jeppe Ledet-Pedersen
   5  */
   6
   7 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
   8 #define _NET_BATMAN_ADV_NETWORK_CODING_H_
   9
  10 #include "main.h"
  11
  12 #include <linux/types.h>
  13
  14 struct batadv_ogm_packet;
  15 struct net_device;
  16 struct seq_file;
  17 struct sk_buff;
  18
  19 #ifdef CONFIG_BATMAN_ADV_NC
  20
  21 void batadv_nc_status_update(struct net_device *net_dev);
  22 int batadv_nc_init(void);
  23 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  24 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  25 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  26                               struct batadv_orig_node *orig_node,
  27                               struct batadv_orig_node *orig_neigh_node,
  28                               struct batadv_ogm_packet *ogm_packet,
  29                               int is_single_hop_neigh);
  30 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  31                           struct batadv_orig_node *orig_node,
  32                           bool (*to_purge)(struct batadv_priv *,
  33                                            struct batadv_nc_node *));
  34 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  35 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  36 bool batadv_nc_skb_forward(struct sk_buff *skb,
  37                            struct batadv_neigh_node *neigh_node);
  38 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  39                                       struct sk_buff *skb);
  40 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  41                                          struct sk_buff *skb);
  42 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
  43 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
  44
  45 #else /* ifdef CONFIG_BATMAN_ADV_NC */
  46
  47 static inline void batadv_nc_status_update(struct net_device *net_dev)
  48 {
  49 }
  50
  51 static inline int batadv_nc_init(void)
  52 {
  53         return 0;
  54 }
  55
  56 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  57 {
  58         return 0;
  59 }
  60
  61 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  62 {
  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 }
  73
  74 static inline void
  75 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  76                      struct batadv_orig_node *orig_node,
  77                      bool (*to_purge)(struct batadv_priv *,
  78                                       struct batadv_nc_node *))
  79 {
  80 }
  81
  82 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  83 {
  84 }
  85
  86 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  87 {
  88 }
  89
  90 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
  91                                          struct batadv_neigh_node *neigh_node)
  92 {
  93         return false;
  94 }
  95
  96 static inline void
  97 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  98                                  struct sk_buff *skb)
  99 {
 100 }
 101
 102 static inline void
 103 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 104                                     struct sk_buff *skb)
 105 {
 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_ */