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/seq_file.h>
14#include <linux/skbuff.h>
15#include <linux/types.h>
16#include <uapi/linux/batadv_packet.h>
17
18#ifdef CONFIG_BATMAN_ADV_NC
19
20void batadv_nc_status_update(struct net_device *net_dev);
21int batadv_nc_init(void);
22int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
23void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
24void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
25			      struct batadv_orig_node *orig_node,
26			      struct batadv_orig_node *orig_neigh_node,
27			      struct batadv_ogm_packet *ogm_packet,
28			      int is_single_hop_neigh);
29void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
30			  struct batadv_orig_node *orig_node,
31			  bool (*to_purge)(struct batadv_priv *,
32					   struct batadv_nc_node *));
33void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
34void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
35bool batadv_nc_skb_forward(struct sk_buff *skb,
36			   struct batadv_neigh_node *neigh_node);
37void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
38				      struct sk_buff *skb);
39void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
40					 struct sk_buff *skb);
41int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
42void batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
43
44#else /* ifdef CONFIG_BATMAN_ADV_NC */
45
46static inline void batadv_nc_status_update(struct net_device *net_dev)
47{
48}
49
50static inline int batadv_nc_init(void)
51{
52	return 0;
53}
54
55static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
56{
57	return 0;
58}
59
60static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
61{
62}
63
64static inline void
65batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
66			 struct batadv_orig_node *orig_node,
67			 struct batadv_orig_node *orig_neigh_node,
68			 struct batadv_ogm_packet *ogm_packet,
69			 int is_single_hop_neigh)
70{
71}
72
73static inline void
74batadv_nc_purge_orig(struct batadv_priv *bat_priv,
75		     struct batadv_orig_node *orig_node,
76		     bool (*to_purge)(struct batadv_priv *,
77				      struct batadv_nc_node *))
78{
79}
80
81static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
82{
83}
84
85static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
86{
87}
88
89static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
90					 struct batadv_neigh_node *neigh_node)
91{
92	return false;
93}
94
95static inline void
96batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
97				 struct sk_buff *skb)
98{
99}
100
101static inline void
102batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
103				    struct sk_buff *skb)
104{
105}
106
107static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
108						 void *offset)
109{
110	return 0;
111}
112
113static inline void batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
114{
115}
116
117#endif /* ifdef CONFIG_BATMAN_ADV_NC */
118
119#endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
120