1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
3 *
4 * Martin Hundebøll, Jeppe Ledet-Pedersen
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_
20 #define _NET_BATMAN_ADV_NETWORK_CODING_H_
21
22 #include "main.h"
23
24 #include <linux/types.h>
25
26 struct batadv_ogm_packet;
27 struct net_device;
28 struct seq_file;
29 struct sk_buff;
30
31 #ifdef CONFIG_BATMAN_ADV_NC
32
33 void batadv_nc_status_update(struct net_device *net_dev);
34 int batadv_nc_init(void);
35 int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
36 void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
37 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
38 struct batadv_orig_node *orig_node,
39 struct batadv_orig_node *orig_neigh_node,
40 struct batadv_ogm_packet *ogm_packet,
41 int is_single_hop_neigh);
42 void batadv_nc_purge_orig(struct batadv_priv *bat_priv,
43 struct batadv_orig_node *orig_node,
44 bool (*to_purge)(struct batadv_priv *,
45 struct batadv_nc_node *));
46 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
47 void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
48 bool batadv_nc_skb_forward(struct sk_buff *skb,
49 struct batadv_neigh_node *neigh_node);
50 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
51 struct sk_buff *skb);
52 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
53 struct sk_buff *skb);
54 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
55 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
56
57 #else /* ifdef CONFIG_BATMAN_ADV_NC */
58
batadv_nc_status_update(struct net_device * net_dev)59 static inline void batadv_nc_status_update(struct net_device *net_dev)
60 {
61 }
62
batadv_nc_init(void)63 static inline int batadv_nc_init(void)
64 {
65 return 0;
66 }
67
batadv_nc_mesh_init(struct batadv_priv * bat_priv)68 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
69 {
70 return 0;
71 }
72
batadv_nc_mesh_free(struct batadv_priv * bat_priv)73 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
74 {
75 }
76
77 static inline void
batadv_nc_update_nc_node(struct batadv_priv * bat_priv,struct batadv_orig_node * orig_node,struct batadv_orig_node * orig_neigh_node,struct batadv_ogm_packet * ogm_packet,int is_single_hop_neigh)78 batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
79 struct batadv_orig_node *orig_node,
80 struct batadv_orig_node *orig_neigh_node,
81 struct batadv_ogm_packet *ogm_packet,
82 int is_single_hop_neigh)
83 {
84 }
85
86 static inline void
batadv_nc_purge_orig(struct batadv_priv * bat_priv,struct batadv_orig_node * orig_node,bool (* to_purge)(struct batadv_priv *,struct batadv_nc_node *))87 batadv_nc_purge_orig(struct batadv_priv *bat_priv,
88 struct batadv_orig_node *orig_node,
89 bool (*to_purge)(struct batadv_priv *,
90 struct batadv_nc_node *))
91 {
92 }
93
batadv_nc_init_bat_priv(struct batadv_priv * bat_priv)94 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
95 {
96 }
97
batadv_nc_init_orig(struct batadv_orig_node * orig_node)98 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
99 {
100 }
101
batadv_nc_skb_forward(struct sk_buff * skb,struct batadv_neigh_node * neigh_node)102 static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
103 struct batadv_neigh_node *neigh_node)
104 {
105 return false;
106 }
107
108 static inline void
batadv_nc_skb_store_for_decoding(struct batadv_priv * bat_priv,struct sk_buff * skb)109 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
110 struct sk_buff *skb)
111 {
112 }
113
114 static inline void
batadv_nc_skb_store_sniffed_unicast(struct batadv_priv * bat_priv,struct sk_buff * skb)115 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
116 struct sk_buff *skb)
117 {
118 }
119
batadv_nc_nodes_seq_print_text(struct seq_file * seq,void * offset)120 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
121 void *offset)
122 {
123 return 0;
124 }
125
batadv_nc_init_debugfs(struct batadv_priv * bat_priv)126 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv)
127 {
128 return 0;
129 }
130
131 #endif /* ifdef CONFIG_BATMAN_ADV_NC */
132
133 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */
134
