1 /* Copyright (C) 2011-2013 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, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA
18  */
19 
20 #ifndef _NET_BATMAN_ADV_BLA_H_
21 #define _NET_BATMAN_ADV_BLA_H_
22 
23 #ifdef CONFIG_BATMAN_ADV_BLA
24 int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
25 		  unsigned short vid, bool is_bcast);
26 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
27 		  unsigned short vid);
28 int batadv_bla_is_backbone_gw(struct sk_buff *skb,
29 			      struct batadv_orig_node *orig_node, int hdr_size);
30 int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
31 int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
32 					     void *offset);
33 int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
34 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
35 				   struct sk_buff *skb);
36 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
37 				    struct batadv_hard_iface *primary_if,
38 				    struct batadv_hard_iface *oldif);
39 int batadv_bla_init(struct batadv_priv *bat_priv);
40 void batadv_bla_free(struct batadv_priv *bat_priv);
41 
42 #define BATADV_BLA_CRC_INIT	0
43 #else /* ifdef CONFIG_BATMAN_ADV_BLA */
44 
45 static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
46 				struct sk_buff *skb, unsigned short vid,
47 				bool is_bcast)
48 {
49 	return 0;
50 }
51 
52 static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
53 				struct sk_buff *skb, unsigned short vid)
54 {
55 	return 0;
56 }
57 
58 static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
59 					    struct batadv_orig_node *orig_node,
60 					    int hdr_size)
61 {
62 	return 0;
63 }
64 
65 static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
66 							void *offset)
67 {
68 	return 0;
69 }
70 
71 static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
72 							   void *offset)
73 {
74 	return 0;
75 }
76 
77 static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
78 						 uint8_t *orig)
79 {
80 	return 0;
81 }
82 
83 static inline int
84 batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
85 			       struct sk_buff *skb)
86 {
87 	return 0;
88 }
89 
90 static inline void
91 batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
92 			       struct batadv_hard_iface *primary_if,
93 			       struct batadv_hard_iface *oldif)
94 {
95 }
96 
97 static inline int batadv_bla_init(struct batadv_priv *bat_priv)
98 {
99 	return 1;
100 }
101 
102 static inline void batadv_bla_free(struct batadv_priv *bat_priv)
103 {
104 }
105 
106 #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
107 
108 #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
109