network-coding.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
 *
 * Martin Hundebøll, Jeppe Ledet-Pedersen
 */

#ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
#define _NET_BATMAN_ADV_NETWORK_CODING_H_

#include "main.h"

#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>

#ifdef CONFIG_BATMAN_ADV_NC

void batadv_nc_status_update(struct net_device *net_dev);
int batadv_nc_init(void);
int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
			      struct batadv_orig_node *orig_node,
			      struct batadv_orig_node *orig_neigh_node,
			      struct batadv_ogm_packet *ogm_packet,
			      int is_single_hop_neigh);
void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
			  struct batadv_orig_node *orig_node,
			  bool (*to_purge)(struct batadv_priv *,
					   struct batadv_nc_node *));
void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
bool batadv_nc_skb_forward(struct sk_buff *skb,
			   struct batadv_neigh_node *neigh_node);
void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
				      struct sk_buff *skb);
void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
					 struct sk_buff *skb);

#else /* ifdef CONFIG_BATMAN_ADV_NC */

static inline void batadv_nc_status_update(struct net_device *net_dev)
{
}

static inline int batadv_nc_init(void)
{
	return 0;
}

static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
{
	return 0;
}

static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
{
}

static inline void
batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
			 struct batadv_orig_node *orig_node,
			 struct batadv_orig_node *orig_neigh_node,
			 struct batadv_ogm_packet *ogm_packet,
			 int is_single_hop_neigh)
{
}

static inline void
batadv_nc_purge_orig(struct batadv_priv *bat_priv,
		     struct batadv_orig_node *orig_node,
		     bool (*to_purge)(struct batadv_priv *,
				      struct batadv_nc_node *))
{
}

static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
{
}

static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
{
}

static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
					 struct batadv_neigh_node *neigh_node)
{
	return false;
}

static inline void
batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
				 struct sk_buff *skb)
{
}

static inline void
batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
				    struct sk_buff *skb)
{
}

#endif /* ifdef CONFIG_BATMAN_ADV_NC */

#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */