1 /*
2  * Copyright (C) 2011-2012 B.A.T.M.A.N. contributors:
3  *
4  * Simon Wunderlich
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, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA
19  *
20  */
21 
22 #ifndef _NET_BATMAN_ADV_BLA_H_
23 #define _NET_BATMAN_ADV_BLA_H_
24 
25 #ifdef CONFIG_BATMAN_ADV_BLA
26 int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
27 int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
28 int bla_is_backbone_gw(struct sk_buff *skb,
29 		       struct orig_node *orig_node, int hdr_size);
30 int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
31 int bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig);
32 int bla_check_bcast_duplist(struct bat_priv *bat_priv,
33 			    struct bcast_packet *bcast_packet, int hdr_size);
34 void bla_update_orig_address(struct bat_priv *bat_priv,
35 			     struct hard_iface *primary_if,
36 			     struct hard_iface *oldif);
37 int bla_init(struct bat_priv *bat_priv);
38 void bla_free(struct bat_priv *bat_priv);
39 
40 #define BLA_CRC_INIT	0
41 #else /* ifdef CONFIG_BATMAN_ADV_BLA */
42 
43 static inline int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb,
44 			 short vid)
45 {
46 	return 0;
47 }
48 
49 static inline int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb,
50 			 short vid)
51 {
52 	return 0;
53 }
54 
55 static inline int bla_is_backbone_gw(struct sk_buff *skb,
56 				     struct orig_node *orig_node,
57 				     int hdr_size)
58 {
59 	return 0;
60 }
61 
62 static inline int bla_claim_table_seq_print_text(struct seq_file *seq,
63 						 void *offset)
64 {
65 	return 0;
66 }
67 
68 static inline int bla_is_backbone_gw_orig(struct bat_priv *bat_priv,
69 					  uint8_t *orig)
70 {
71 	return 0;
72 }
73 
74 static inline int bla_check_bcast_duplist(struct bat_priv *bat_priv,
75 					  struct bcast_packet *bcast_packet,
76 					  int hdr_size)
77 {
78 	return 0;
79 }
80 
81 static inline void bla_update_orig_address(struct bat_priv *bat_priv,
82 					   struct hard_iface *primary_if,
83 					   struct hard_iface *oldif)
84 {
85 }
86 
87 static inline int bla_init(struct bat_priv *bat_priv)
88 {
89 	return 1;
90 }
91 
92 static inline void bla_free(struct bat_priv *bat_priv)
93 {
94 }
95 
96 #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
97 
98 #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
99