batman-adv: reuse tt_len() to calculate tt buffer length
[linux-2.6-block.git] / net / batman-adv / translation-table.h
CommitLineData
c6c8fea2 1/*
64afe353 2 * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
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3 *
4 * Marek Lindner, 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_TRANSLATION_TABLE_H_
23#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
24
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25int tt_len(int changes_num);
26int tt_changes_fill_buffer(struct bat_priv *bat_priv,
27 unsigned char *buff, int buff_len);
28int tt_init(struct bat_priv *bat_priv);
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29void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
30 int ifindex);
2dafb49d 31void tt_local_remove(struct bat_priv *bat_priv,
cc47f66e 32 const uint8_t *addr, const char *message, bool roaming);
2dafb49d 33int tt_local_seq_print_text(struct seq_file *seq, void *offset);
5fbc1598 34void tt_global_add_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
747e4221 35 const unsigned char *tt_buff, int tt_buff_len);
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36int tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
37 const unsigned char *addr, uint8_t ttvn, bool roaming,
38 bool wifi);
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39int tt_global_seq_print_text(struct seq_file *seq, void *offset);
40void tt_global_del_orig(struct bat_priv *bat_priv,
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41 struct orig_node *orig_node, const char *message);
42void tt_global_del(struct bat_priv *bat_priv,
43 struct orig_node *orig_node, const unsigned char *addr,
cc47f66e 44 const char *message, bool roaming);
747e4221 45struct orig_node *transtable_search(struct bat_priv *bat_priv,
3d393e47 46 const uint8_t *src, const uint8_t *addr);
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47void tt_save_orig_buffer(struct bat_priv *bat_priv, struct orig_node *orig_node,
48 const unsigned char *tt_buff, uint8_t tt_num_changes);
49uint16_t tt_local_crc(struct bat_priv *bat_priv);
50uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node);
51void tt_free(struct bat_priv *bat_priv);
52int send_tt_request(struct bat_priv *bat_priv,
015758d0 53 struct orig_node *dst_orig_node, uint8_t ttvn,
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54 uint16_t tt_crc, bool full_table);
55bool send_tt_response(struct bat_priv *bat_priv,
56 struct tt_query_packet *tt_request);
57void tt_update_changes(struct bat_priv *bat_priv, struct orig_node *orig_node,
58 uint16_t tt_num_changes, uint8_t ttvn,
59 struct tt_change *tt_change);
60bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr);
61void handle_tt_response(struct bat_priv *bat_priv,
62 struct tt_query_packet *tt_response);
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63void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
64 struct orig_node *orig_node);
058d0e26 65void tt_commit_changes(struct bat_priv *bat_priv);
59b699cd 66bool is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, uint8_t *dst);
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67
68#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */