batman-adv: filter ARP packets with invalid MAC addresses in DAT
[~shefty/rdma-dev.git] / net / batman-adv / translation-table.h
1 /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
2  *
3  * Marek Lindner, Simon Wunderlich, Antonio Quartulli
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_TRANSLATION_TABLE_H_
21 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
22
23 int batadv_tt_len(int changes_num);
24 int batadv_tt_init(struct batadv_priv *bat_priv);
25 void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
26                          int ifindex);
27 uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv,
28                                 const uint8_t *addr, const char *message,
29                                 bool roaming);
30 int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
31 void batadv_tt_global_add_orig(struct batadv_priv *bat_priv,
32                                struct batadv_orig_node *orig_node,
33                                const unsigned char *tt_buff, int tt_buff_len);
34 int batadv_tt_global_add(struct batadv_priv *bat_priv,
35                          struct batadv_orig_node *orig_node,
36                          const unsigned char *addr, uint8_t flags,
37                          uint8_t ttvn);
38 int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
39 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
40                                struct batadv_orig_node *orig_node,
41                                const char *message);
42 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
43                                                   const uint8_t *src,
44                                                   const uint8_t *addr);
45 void batadv_tt_free(struct batadv_priv *bat_priv);
46 bool batadv_send_tt_response(struct batadv_priv *bat_priv,
47                              struct batadv_tt_query_packet *tt_request);
48 bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
49 void batadv_handle_tt_response(struct batadv_priv *bat_priv,
50                                struct batadv_tt_query_packet *tt_response);
51 bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
52                            uint8_t *dst);
53 void batadv_tt_update_orig(struct batadv_priv *bat_priv,
54                            struct batadv_orig_node *orig_node,
55                            const unsigned char *tt_buff, uint8_t tt_num_changes,
56                            uint8_t ttvn, uint16_t tt_crc);
57 int batadv_tt_append_diff(struct batadv_priv *bat_priv,
58                           unsigned char **packet_buff, int *packet_buff_len,
59                           int packet_min_len);
60 bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
61                                         uint8_t *addr);
62 bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
63                                        uint8_t *addr);
64 bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
65                                           struct batadv_orig_node *orig_node,
66                                           const unsigned char *addr);
67
68 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */