1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright (C) 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
 19void batadv_nc_status_update(struct net_device *net_dev);
 20int batadv_nc_init(void);
 21int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
 22void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
 23void 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);
 28void 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 *));
 32void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
 33void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
 34bool batadv_nc_skb_forward(struct sk_buff *skb,
 35			   struct batadv_neigh_node *neigh_node);
 36void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 37				      struct sk_buff *skb);
 38void 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
 43static inline void batadv_nc_status_update(struct net_device *net_dev)
 44{
 45}
 46
 47static inline int batadv_nc_init(void)
 48{
 49	return 0;
 50}
 51
 52static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
 53{
 54	return 0;
 55}
 56
 57static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
 58{
 59}
 60
 61static inline void
 62batadv_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
 70static inline void
 71batadv_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
 78static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
 79{
 80}
 81
 82static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
 83{
 84}
 85
 86static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
 87					 struct batadv_neigh_node *neigh_node)
 88{
 89	return false;
 90}
 91
 92static inline void
 93batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 94				 struct sk_buff *skb)
 95{
 96}
 97
 98static inline void
 99batadv_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_ */