xref: /openbmc/linux/net/batman-adv/network-coding.h (revision 953324776d6d23eb81f5b825870027b9c069db29)
1d353d8d4SMartin Hundebøll /* Copyright (C) 2012-2013 B.A.T.M.A.N. contributors:
2d353d8d4SMartin Hundebøll  *
3d353d8d4SMartin Hundebøll  * Martin Hundebøll, Jeppe Ledet-Pedersen
4d353d8d4SMartin Hundebøll  *
5d353d8d4SMartin Hundebøll  * This program is free software; you can redistribute it and/or
6d353d8d4SMartin Hundebøll  * modify it under the terms of version 2 of the GNU General Public
7d353d8d4SMartin Hundebøll  * License as published by the Free Software Foundation.
8d353d8d4SMartin Hundebøll  *
9d353d8d4SMartin Hundebøll  * This program is distributed in the hope that it will be useful, but
10d353d8d4SMartin Hundebøll  * WITHOUT ANY WARRANTY; without even the implied warranty of
11d353d8d4SMartin Hundebøll  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12d353d8d4SMartin Hundebøll  * General Public License for more details.
13d353d8d4SMartin Hundebøll  *
14d353d8d4SMartin Hundebøll  * You should have received a copy of the GNU General Public License
15d353d8d4SMartin Hundebøll  * along with this program; if not, write to the Free Software
16d353d8d4SMartin Hundebøll  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17d353d8d4SMartin Hundebøll  * 02110-1301, USA
18d353d8d4SMartin Hundebøll  */
19d353d8d4SMartin Hundebøll 
20d353d8d4SMartin Hundebøll #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
21d353d8d4SMartin Hundebøll #define _NET_BATMAN_ADV_NETWORK_CODING_H_
22d353d8d4SMartin Hundebøll 
23d353d8d4SMartin Hundebøll #ifdef CONFIG_BATMAN_ADV_NC
24d353d8d4SMartin Hundebøll 
25d353d8d4SMartin Hundebøll int batadv_nc_init(struct batadv_priv *bat_priv);
26d353d8d4SMartin Hundebøll void batadv_nc_free(struct batadv_priv *bat_priv);
27d56b1705SMartin Hundebøll void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
28d56b1705SMartin Hundebøll 			      struct batadv_orig_node *orig_node,
29d56b1705SMartin Hundebøll 			      struct batadv_orig_node *orig_neigh_node,
30d56b1705SMartin Hundebøll 			      struct batadv_ogm_packet *ogm_packet,
31d56b1705SMartin Hundebøll 			      int is_single_hop_neigh);
32d56b1705SMartin Hundebøll void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
33d56b1705SMartin Hundebøll 			  struct batadv_orig_node *orig_node,
34d56b1705SMartin Hundebøll 			  bool (*to_purge)(struct batadv_priv *,
35d56b1705SMartin Hundebøll 					   struct batadv_nc_node *));
36d353d8d4SMartin Hundebøll void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
37d56b1705SMartin Hundebøll void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
38*95332477SMartin Hundebøll bool batadv_nc_skb_forward(struct sk_buff *skb,
39*95332477SMartin Hundebøll 			   struct batadv_neigh_node *neigh_node,
40*95332477SMartin Hundebøll 			   struct ethhdr *ethhdr);
41d56b1705SMartin Hundebøll int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
42d56b1705SMartin Hundebøll int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
43d353d8d4SMartin Hundebøll 
44d353d8d4SMartin Hundebøll #else /* ifdef CONFIG_BATMAN_ADV_NC */
45d353d8d4SMartin Hundebøll 
46d353d8d4SMartin Hundebøll static inline int batadv_nc_init(struct batadv_priv *bat_priv)
47d353d8d4SMartin Hundebøll {
48d353d8d4SMartin Hundebøll 	return 0;
49d353d8d4SMartin Hundebøll }
50d353d8d4SMartin Hundebøll 
51d353d8d4SMartin Hundebøll static inline void batadv_nc_free(struct batadv_priv *bat_priv)
52d353d8d4SMartin Hundebøll {
53d353d8d4SMartin Hundebøll 	return;
54d353d8d4SMartin Hundebøll }
55d353d8d4SMartin Hundebøll 
56d56b1705SMartin Hundebøll static inline void
57d56b1705SMartin Hundebøll batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
58d56b1705SMartin Hundebøll 			 struct batadv_orig_node *orig_node,
59d56b1705SMartin Hundebøll 			 struct batadv_orig_node *orig_neigh_node,
60d56b1705SMartin Hundebøll 			 struct batadv_ogm_packet *ogm_packet,
61d56b1705SMartin Hundebøll 			 int is_single_hop_neigh)
62d56b1705SMartin Hundebøll {
63d56b1705SMartin Hundebøll 	return;
64d56b1705SMartin Hundebøll }
65d56b1705SMartin Hundebøll 
66d56b1705SMartin Hundebøll static inline void
67d56b1705SMartin Hundebøll batadv_nc_purge_orig(struct batadv_priv *bat_priv,
68d56b1705SMartin Hundebøll 		     struct batadv_orig_node *orig_node,
69d56b1705SMartin Hundebøll 		     bool (*to_purge)(struct batadv_priv *,
70d56b1705SMartin Hundebøll 				      struct batadv_nc_node *))
71d56b1705SMartin Hundebøll {
72d56b1705SMartin Hundebøll 	return;
73d56b1705SMartin Hundebøll }
74d56b1705SMartin Hundebøll 
75d353d8d4SMartin Hundebøll static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
76d353d8d4SMartin Hundebøll {
77d353d8d4SMartin Hundebøll 	return;
78d353d8d4SMartin Hundebøll }
79d353d8d4SMartin Hundebøll 
80d56b1705SMartin Hundebøll static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
81d56b1705SMartin Hundebøll {
82d56b1705SMartin Hundebøll 	return;
83d56b1705SMartin Hundebøll }
84d56b1705SMartin Hundebøll 
85*95332477SMartin Hundebøll static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
86*95332477SMartin Hundebøll 					 struct batadv_neigh_node *neigh_node,
87*95332477SMartin Hundebøll 					 struct ethhdr *ethhdr)
88*95332477SMartin Hundebøll {
89*95332477SMartin Hundebøll 	return false;
90*95332477SMartin Hundebøll }
91*95332477SMartin Hundebøll 
92d56b1705SMartin Hundebøll static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
93d56b1705SMartin Hundebøll 						 void *offset)
94d56b1705SMartin Hundebøll {
95d56b1705SMartin Hundebøll 	return 0;
96d56b1705SMartin Hundebøll }
97d56b1705SMartin Hundebøll 
98d56b1705SMartin Hundebøll static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
99d56b1705SMartin Hundebøll {
100d56b1705SMartin Hundebøll 	return 0;
101d56b1705SMartin Hundebøll }
102d56b1705SMartin Hundebøll 
103d353d8d4SMartin Hundebøll #endif /* ifdef CONFIG_BATMAN_ADV_NC */
104d353d8d4SMartin Hundebøll 
105d353d8d4SMartin Hundebøll #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
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