net/batman-adv/network-coding.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2012-2020  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/netdevice.h>
  13 #include <linux/skbuff.h>
  14 #include <linux/types.h>
  15 #include <uapi/linux/batadv_packet.h>
  16
  17 #ifdef CONFIG_BATMAN_ADV_NC
  18
  19 void batadv_nc_status_update(struct net_device *net_dev);
  20 int batadv_nc_init(void);
  21 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  22 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  23 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  24                               struct batadv_orig_node *orig_node,
  25                               struct batadv_orig_node *orig_neigh_node,
  26                               struct batadv_ogm_packet *ogm_packet,
  27                               int is_single_hop_neigh);
  28 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  29                           struct batadv_orig_node *orig_node,
  30                           bool (*to_purge)(struct batadv_priv *,
  31                                            struct batadv_nc_node *));
  32 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  33 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  34 bool batadv_nc_skb_forward(struct sk_buff *skb,
  35                            struct batadv_neigh_node *neigh_node);
  36 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  37                                       struct sk_buff *skb);
  38 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  39                                          struct sk_buff *skb);
  40
  41 #else /* ifdef CONFIG_BATMAN_ADV_NC */
  42
  43 static inline void batadv_nc_status_update(struct net_device *net_dev)
  44 {
  45 }
  46
  47 static inline int batadv_nc_init(void)
  48 {
  49         return 0;
  50 }
  51
  52 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  53 {
  54         return 0;
  55 }
  56
  57 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  58 {
  59 }
  60
  61 static inline void
  62 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
  63                          struct batadv_orig_node *orig_node,
  64                          struct batadv_orig_node *orig_neigh_node,
  65                          struct batadv_ogm_packet *ogm_packet,
  66                          int is_single_hop_neigh)
  67 {
  68 }
  69
  70 static inline void
  71 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
  72                      struct batadv_orig_node *orig_node,
  73                      bool (*to_purge)(struct batadv_priv *,
  74                                       struct batadv_nc_node *))
  75 {
  76 }
  77
  78 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  79 {
  80 }
  81
  82 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  83 {
  84 }
  85
  86 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
  87                                          struct batadv_neigh_node *neigh_node)
  88 {
  89         return false;
  90 }
  91
  92 static inline void
  93 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  94                                  struct sk_buff *skb)
  95 {
  96 }
  97
  98 static inline void
  99 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 100                                     struct sk_buff *skb)
 101 {
 102 }
 103
 104 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
 105
 106 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */