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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/net/batman-adv/network-coding.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/* Copyright (C) B.A.T.M.A.N. contributors:

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 *

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 * Martin Hundebøll, Jeppe Ledet-Pedersen

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 */

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#ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_

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#define _NET_BATMAN_ADV_NETWORK_CODING_H_

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#include "main.h"

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#include <linux/netdevice.h>

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#include <linux/skbuff.h>

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#include <linux/types.h>

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#include <uapi/linux/batadv_packet.h>

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#ifdef CONFIG_BATMAN_ADV_NC

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void batadv_nc_status_update(struct net_device *net_dev);

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int batadv_nc_init(void);

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int batadv_nc_mesh_init(struct batadv_priv *bat_priv);

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void batadv_nc_mesh_free(struct batadv_priv *bat_priv);

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void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,

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			      struct batadv_orig_node *orig_node,

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			      struct batadv_orig_node *orig_neigh_node,

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			      struct batadv_ogm_packet *ogm_packet,

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			      int is_single_hop_neigh);

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void batadv_nc_purge_orig(struct batadv_priv *bat_priv,

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			  struct batadv_orig_node *orig_node,

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			  bool (*to_purge)(struct batadv_priv *,

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					   struct batadv_nc_node *));

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void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);

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void batadv_nc_init_orig(struct batadv_orig_node *orig_node);

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bool batadv_nc_skb_forward(struct sk_buff *skb,

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			   struct batadv_neigh_node *neigh_node);

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void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,

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				      struct sk_buff *skb);

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void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,

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					 struct sk_buff *skb);

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#else /* ifdef CONFIG_BATMAN_ADV_NC */

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static inline void batadv_nc_status_update(struct net_device *net_dev)

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{

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}

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static inline int batadv_nc_init(void)

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{

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	return 0;

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}

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static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)

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{

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	return 0;

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}

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static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)

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{

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}

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static inline void

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batadv_nc_update_nc_node(struct batadv_priv *bat_priv,

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			 struct batadv_orig_node *orig_node,

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			 struct batadv_orig_node *orig_neigh_node,

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			 struct batadv_ogm_packet *ogm_packet,

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			 int is_single_hop_neigh)

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{

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}

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static inline void

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batadv_nc_purge_orig(struct batadv_priv *bat_priv,

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		     struct batadv_orig_node *orig_node,

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		     bool (*to_purge)(struct batadv_priv *,

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				      struct batadv_nc_node *))

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{

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}

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static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)

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{

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}

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static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)

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{

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}

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static inline bool batadv_nc_skb_forward(struct sk_buff *skb,

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					 struct batadv_neigh_node *neigh_node)

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{

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	return false;

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}

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static inline void

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batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,

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				 struct sk_buff *skb)

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{

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}

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static inline void

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batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,

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				    struct sk_buff *skb)

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{

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}

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#endif /* ifdef CONFIG_BATMAN_ADV_NC */

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#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */

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