1 /* Copyright (C) 2012-2013 B.A.T.M.A.N. contributors:
2  *
3  * Martin Hundebøll, Jeppe Ledet-Pedersen
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of version 2 of the GNU General Public
7  * License as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA
18  */
19 
20 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
21 #define _NET_BATMAN_ADV_NETWORK_CODING_H_
22 
23 #ifdef CONFIG_BATMAN_ADV_NC
24 
25 int batadv_nc_init(void);
26 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
27 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
28 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
29 			      struct batadv_orig_node *orig_node,
30 			      struct batadv_orig_node *orig_neigh_node,
31 			      struct batadv_ogm_packet *ogm_packet,
32 			      int is_single_hop_neigh);
33 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
34 			  struct batadv_orig_node *orig_node,
35 			  bool (*to_purge)(struct batadv_priv *,
36 					   struct batadv_nc_node *));
37 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
38 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
39 bool batadv_nc_skb_forward(struct sk_buff *skb,
40 			   struct batadv_neigh_node *neigh_node);
41 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
42 				      struct sk_buff *skb);
43 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
44 					 struct sk_buff *skb);
45 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
46 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
47 
48 #else /* ifdef CONFIG_BATMAN_ADV_NC */
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 	return;
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 	return;
73 }
74 
75 static inline void
76 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
77 		     struct batadv_orig_node *orig_node,
78 		     bool (*to_purge)(struct batadv_priv *,
79 				      struct batadv_nc_node *))
80 {
81 	return;
82 }
83 
84 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
85 {
86 	return;
87 }
88 
89 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
90 {
91 	return;
92 }
93 
94 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
95 					 struct batadv_neigh_node *neigh_node)
96 {
97 	return false;
98 }
99 
100 static inline void
101 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
102 				 struct sk_buff *skb)
103 {
104 	return;
105 }
106 
107 static inline void
108 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
109 				    struct sk_buff *skb)
110 {
111 	return;
112 }
113 
114 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
115 						 void *offset)
116 {
117 	return 0;
118 }
119 
120 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
121 {
122 	return 0;
123 }
124 
125 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
126 
127 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
128