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 void batadv_nc_status_update(struct net_device *net_dev);
26 int batadv_nc_init(void);
27 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
28 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
29 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
30 			      struct batadv_orig_node *orig_node,
31 			      struct batadv_orig_node *orig_neigh_node,
32 			      struct batadv_ogm_packet *ogm_packet,
33 			      int is_single_hop_neigh);
34 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
35 			  struct batadv_orig_node *orig_node,
36 			  bool (*to_purge)(struct batadv_priv *,
37 					   struct batadv_nc_node *));
38 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
39 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
40 bool batadv_nc_skb_forward(struct sk_buff *skb,
41 			   struct batadv_neigh_node *neigh_node);
42 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
43 				      struct sk_buff *skb);
44 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
45 					 struct sk_buff *skb);
46 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
47 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
48 
49 #else /* ifdef CONFIG_BATMAN_ADV_NC */
50 
51 static inline void batadv_nc_status_update(struct net_device *net_dev)
52 {
53 }
54 
55 static inline int batadv_nc_init(void)
56 {
57 	return 0;
58 }
59 
60 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
61 {
62 	return 0;
63 }
64 
65 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
66 {
67 	return;
68 }
69 
70 static inline void
71 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
72 			 struct batadv_orig_node *orig_node,
73 			 struct batadv_orig_node *orig_neigh_node,
74 			 struct batadv_ogm_packet *ogm_packet,
75 			 int is_single_hop_neigh)
76 {
77 	return;
78 }
79 
80 static inline void
81 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
82 		     struct batadv_orig_node *orig_node,
83 		     bool (*to_purge)(struct batadv_priv *,
84 				      struct batadv_nc_node *))
85 {
86 	return;
87 }
88 
89 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
90 {
91 	return;
92 }
93 
94 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
95 {
96 	return;
97 }
98 
99 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
100 					 struct batadv_neigh_node *neigh_node)
101 {
102 	return false;
103 }
104 
105 static inline void
106 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
107 				 struct sk_buff *skb)
108 {
109 	return;
110 }
111 
112 static inline void
113 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
114 				    struct sk_buff *skb)
115 {
116 	return;
117 }
118 
119 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
120 						 void *offset)
121 {
122 	return 0;
123 }
124 
125 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
126 {
127 	return 0;
128 }
129 
130 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
131 
132 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
133