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bridge_loop_avoidance.h
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1 /* Copyright (C) 2011-2012 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, short vid,
25  bool is_bcast);
26 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid);
27 int batadv_bla_is_backbone_gw(struct sk_buff *skb,
28  struct batadv_orig_node *orig_node, int hdr_size);
29 int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
30 int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
31  void *offset);
32 int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
33 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
34  struct batadv_bcast_packet *bcast_packet,
35  int hdr_size);
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, short vid, bool is_bcast)
47 {
48  return 0;
49 }
50 
51 static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
52  struct sk_buff *skb, short vid)
53 {
54  return 0;
55 }
56 
57 static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
58  struct batadv_orig_node *orig_node,
59  int hdr_size)
60 {
61  return 0;
62 }
63 
64 static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
65  void *offset)
66 {
67  return 0;
68 }
69 
70 static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
71  void *offset)
72 {
73  return 0;
74 }
75 
76 static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
77  uint8_t *orig)
78 {
79  return 0;
80 }
81 
82 static inline int
83 batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
84  struct batadv_bcast_packet *bcast_packet,
85  int hdr_size)
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_ */
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