1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2012-2019  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/types.h>
13 
14 struct batadv_ogm_packet;
15 struct net_device;
16 struct seq_file;
17 struct sk_buff;
18 
19 #ifdef CONFIG_BATMAN_ADV_NC
20 
21 void batadv_nc_status_update(struct net_device *net_dev);
22 int batadv_nc_init(void);
23 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
24 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
25 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
26 			      struct batadv_orig_node *orig_node,
27 			      struct batadv_orig_node *orig_neigh_node,
28 			      struct batadv_ogm_packet *ogm_packet,
29 			      int is_single_hop_neigh);
30 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
31 			  struct batadv_orig_node *orig_node,
32 			  bool (*to_purge)(struct batadv_priv *,
33 					   struct batadv_nc_node *));
34 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
35 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
36 bool batadv_nc_skb_forward(struct sk_buff *skb,
37 			   struct batadv_neigh_node *neigh_node);
38 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
39 				      struct sk_buff *skb);
40 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
41 					 struct sk_buff *skb);
42 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
43 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
44 
45 #else /* ifdef CONFIG_BATMAN_ADV_NC */
46 
47 static inline void batadv_nc_status_update(struct net_device *net_dev)
48 {
49 }
50 
51 static inline int batadv_nc_init(void)
52 {
53 	return 0;
54 }
55 
56 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
57 {
58 	return 0;
59 }
60 
61 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
62 {
63 }
64 
65 static inline void
66 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
67 			 struct batadv_orig_node *orig_node,
68 			 struct batadv_orig_node *orig_neigh_node,
69 			 struct batadv_ogm_packet *ogm_packet,
70 			 int is_single_hop_neigh)
71 {
72 }
73 
74 static inline void
75 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
76 		     struct batadv_orig_node *orig_node,
77 		     bool (*to_purge)(struct batadv_priv *,
78 				      struct batadv_nc_node *))
79 {
80 }
81 
82 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
83 {
84 }
85 
86 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
87 {
88 }
89 
90 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
91 					 struct batadv_neigh_node *neigh_node)
92 {
93 	return false;
94 }
95 
96 static inline void
97 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
98 				 struct sk_buff *skb)
99 {
100 }
101 
102 static inline void
103 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
104 				    struct sk_buff *skb)
105 {
106 }
107 
108 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
109 						 void *offset)
110 {
111 	return 0;
112 }
113 
114 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
115 {
116 	return 0;
117 }
118 
119 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
120 
121 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
122