1 /* Copyright (C) 2011-2015 B.A.T.M.A.N. contributors:
2 *
3 * Simon Wunderlich
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_BLA_H_
19 #define _NET_BATMAN_ADV_BLA_H_
20
21 #include "main.h"
22
23 #include <linux/types.h>
24
25 struct seq_file;
26 struct sk_buff;
27
28 #ifdef CONFIG_BATMAN_ADV_BLA
29 int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
30 unsigned short vid, bool is_bcast);
31 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
32 unsigned short vid);
33 int batadv_bla_is_backbone_gw(struct sk_buff *skb,
34 struct batadv_orig_node *orig_node, int hdr_size);
35 int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
36 int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
37 void *offset);
38 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
39 unsigned short vid);
40 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
41 struct sk_buff *skb);
42 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
43 struct batadv_hard_iface *primary_if,
44 struct batadv_hard_iface *oldif);
45 int batadv_bla_init(struct batadv_priv *bat_priv);
46 void batadv_bla_free(struct batadv_priv *bat_priv);
47
48 #define BATADV_BLA_CRC_INIT 0
49 #else /* ifdef CONFIG_BATMAN_ADV_BLA */
50
batadv_bla_rx(struct batadv_priv * bat_priv,struct sk_buff * skb,unsigned short vid,bool is_bcast)51 static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
52 struct sk_buff *skb, unsigned short vid,
53 bool is_bcast)
54 {
55 return 0;
56 }
57
batadv_bla_tx(struct batadv_priv * bat_priv,struct sk_buff * skb,unsigned short vid)58 static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
59 struct sk_buff *skb, unsigned short vid)
60 {
61 return 0;
62 }
63
batadv_bla_is_backbone_gw(struct sk_buff * skb,struct batadv_orig_node * orig_node,int hdr_size)64 static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
65 struct batadv_orig_node *orig_node,
66 int hdr_size)
67 {
68 return 0;
69 }
70
batadv_bla_claim_table_seq_print_text(struct seq_file * seq,void * offset)71 static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
72 void *offset)
73 {
74 return 0;
75 }
76
batadv_bla_backbone_table_seq_print_text(struct seq_file * seq,void * offset)77 static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
78 void *offset)
79 {
80 return 0;
81 }
82
batadv_bla_is_backbone_gw_orig(struct batadv_priv * bat_priv,u8 * orig,unsigned short vid)83 static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
84 u8 *orig, unsigned short vid)
85 {
86 return false;
87 }
88
89 static inline int
batadv_bla_check_bcast_duplist(struct batadv_priv * bat_priv,struct sk_buff * skb)90 batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
91 struct sk_buff *skb)
92 {
93 return 0;
94 }
95
96 static inline void
batadv_bla_update_orig_address(struct batadv_priv * bat_priv,struct batadv_hard_iface * primary_if,struct batadv_hard_iface * oldif)97 batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
98 struct batadv_hard_iface *primary_if,
99 struct batadv_hard_iface *oldif)
100 {
101 }
102
batadv_bla_init(struct batadv_priv * bat_priv)103 static inline int batadv_bla_init(struct batadv_priv *bat_priv)
104 {
105 return 1;
106 }
107
batadv_bla_free(struct batadv_priv * bat_priv)108 static inline void batadv_bla_free(struct batadv_priv *bat_priv)
109 {
110 }
111
112 #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
113
114 #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
115