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(struct batadv_priv *bat_priv);
26 void batadv_nc_free(struct batadv_priv *bat_priv);
27 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
28 			      struct batadv_orig_node *orig_node,
29 			      struct batadv_orig_node *orig_neigh_node,
30 			      struct batadv_ogm_packet *ogm_packet,
31 			      int is_single_hop_neigh);
32 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
33 			  struct batadv_orig_node *orig_node,
34 			  bool (*to_purge)(struct batadv_priv *,
35 					   struct batadv_nc_node *));
36 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
37 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
38 bool batadv_nc_skb_forward(struct sk_buff *skb,
39 			   struct batadv_neigh_node *neigh_node);
40 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
41 				      struct sk_buff *skb);
42 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
43 					 struct sk_buff *skb);
44 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
45 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
46 
47 #else /* ifdef CONFIG_BATMAN_ADV_NC */
48 
49 static inline int batadv_nc_init(struct batadv_priv *bat_priv)
50 {
51 	return 0;
52 }
53 
54 static inline void batadv_nc_free(struct batadv_priv *bat_priv)
55 {
56 	return;
57 }
58 
59 static inline void
60 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
61 			 struct batadv_orig_node *orig_node,
62 			 struct batadv_orig_node *orig_neigh_node,
63 			 struct batadv_ogm_packet *ogm_packet,
64 			 int is_single_hop_neigh)
65 {
66 	return;
67 }
68 
69 static inline void
70 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
71 		     struct batadv_orig_node *orig_node,
72 		     bool (*to_purge)(struct batadv_priv *,
73 				      struct batadv_nc_node *))
74 {
75 	return;
76 }
77 
78 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
79 {
80 	return;
81 }
82 
83 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
84 {
85 	return;
86 }
87 
88 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
89 					 struct batadv_neigh_node *neigh_node)
90 {
91 	return false;
92 }
93 
94 static inline void
95 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
96 				 struct sk_buff *skb)
97 {
98 	return;
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 	return;
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