1 /* Copyright (C) 2012-2014 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, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
19 #define _NET_BATMAN_ADV_NETWORK_CODING_H_
20 
21 #ifdef CONFIG_BATMAN_ADV_NC
22 
23 void batadv_nc_status_update(struct net_device *net_dev);
24 int batadv_nc_init(void);
25 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
26 void batadv_nc_mesh_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 void batadv_nc_status_update(struct net_device *net_dev)
50 {
51 }
52 
53 static inline int batadv_nc_init(void)
54 {
55 	return 0;
56 }
57 
58 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
59 {
60 	return 0;
61 }
62 
63 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
64 {
65 }
66 
67 static inline void
68 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
69 			 struct batadv_orig_node *orig_node,
70 			 struct batadv_orig_node *orig_neigh_node,
71 			 struct batadv_ogm_packet *ogm_packet,
72 			 int is_single_hop_neigh)
73 {
74 }
75 
76 static inline void
77 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
78 		     struct batadv_orig_node *orig_node,
79 		     bool (*to_purge)(struct batadv_priv *,
80 				      struct batadv_nc_node *))
81 {
82 }
83 
84 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
85 {
86 }
87 
88 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
89 {
90 }
91 
92 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
93 					 struct batadv_neigh_node *neigh_node)
94 {
95 	return false;
96 }
97 
98 static inline void
99 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
100 				 struct sk_buff *skb)
101 {
102 }
103 
104 static inline void
105 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
106 				    struct sk_buff *skb)
107 {
108 }
109 
110 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
111 						 void *offset)
112 {
113 	return 0;
114 }
115 
116 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
117 {
118 	return 0;
119 }
120 
121 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
122 
123 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
124