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 
20 void batadv_nc_status_update(struct net_device *net_dev);
21 int batadv_nc_init(void);
22 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
23 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
24 void 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);
29 void 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 *));
33 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
34 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
35 bool batadv_nc_skb_forward(struct sk_buff *skb,
36 			   struct batadv_neigh_node *neigh_node);
37 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
38 				      struct sk_buff *skb);
39 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
40 					 struct sk_buff *skb);
41 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
42 void batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
43 
44 #else /* ifdef CONFIG_BATMAN_ADV_NC */
45 
46 static inline void batadv_nc_status_update(struct net_device *net_dev)
47 {
48 }
49 
50 static inline int batadv_nc_init(void)
51 {
52 	return 0;
53 }
54 
55 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
56 {
57 	return 0;
58 }
59 
60 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
61 {
62 }
63 
64 static inline void
65 batadv_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 
73 static inline void
74 batadv_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 
81 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
82 {
83 }
84 
85 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
86 {
87 }
88 
89 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
90 					 struct batadv_neigh_node *neigh_node)
91 {
92 	return false;
93 }
94 
95 static inline void
96 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
97 				 struct sk_buff *skb)
98 {
99 }
100 
101 static inline void
102 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
103 				    struct sk_buff *skb)
104 {
105 }
106 
107 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
108 						 void *offset)
109 {
110 	return 0;
111 }
112 
113 static 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