1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
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.
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.
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/>.
19 #ifndef _NET_BATMAN_ADV_BLA_H_
20 #define _NET_BATMAN_ADV_BLA_H_
24 #include <linux/compiler.h>
25 #include <linux/stddef.h>
26 #include <linux/types.h>
29 struct netlink_callback;
34 * batadv_bla_is_loopdetect_mac() - check if the mac address is from a loop
35 * detect frame sent by bridge loop avoidance
36 * @mac: mac address to check
38 * Return: true if the it looks like a loop detect frame
39 * (mac starts with BA:BE), false otherwise
41 static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac)
43 if (mac[0] == 0xba && mac[1] == 0xbe)
49 #ifdef CONFIG_BATMAN_ADV_BLA
50 bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
51 unsigned short vid, bool is_bcast);
52 bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
54 bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
55 struct batadv_orig_node *orig_node,
57 int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
58 int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
59 int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
61 int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
62 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
64 bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
66 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
67 struct batadv_hard_iface *primary_if,
68 struct batadv_hard_iface *oldif);
69 void batadv_bla_status_update(struct net_device *net_dev);
70 int batadv_bla_init(struct batadv_priv *bat_priv);
71 void batadv_bla_free(struct batadv_priv *bat_priv);
72 int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
73 #ifdef CONFIG_BATMAN_ADV_DAT
74 bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
77 #define BATADV_BLA_CRC_INIT 0
78 #else /* ifdef CONFIG_BATMAN_ADV_BLA */
80 static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
81 struct sk_buff *skb, unsigned short vid,
87 static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
88 struct sk_buff *skb, unsigned short vid)
93 static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
94 struct batadv_orig_node *orig_node,
100 static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
106 static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
112 static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
113 u8 *orig, unsigned short vid)
119 batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
126 batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
127 struct batadv_hard_iface *primary_if,
128 struct batadv_hard_iface *oldif)
132 static inline int batadv_bla_init(struct batadv_priv *bat_priv)
137 static inline void batadv_bla_free(struct batadv_priv *bat_priv)
141 static inline int batadv_bla_claim_dump(struct sk_buff *msg,
142 struct netlink_callback *cb)
147 static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
148 struct netlink_callback *cb)
154 bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
160 #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
162 #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */