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Sven Eckelmannc6c8fea2010-12-13 11:19:28 +00001/*
Sven Eckelmann64afe352011-01-27 10:38:15 +01002 * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +00003 *
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_AGGREGATION_H_
23#define _NET_BATMAN_ADV_AGGREGATION_H_
24
25#include "main.h"
26
27/* is there another aggregated packet here? */
Antonio Quartullia73105b2011-04-27 14:27:44 +020028static inline int aggregated_packet(int buff_pos, int packet_len,
29 int tt_num_changes)
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000030{
Antonio Quartullia73105b2011-04-27 14:27:44 +020031 int next_buff_pos = buff_pos + BAT_PACKET_LEN + (tt_num_changes *
32 sizeof(struct tt_change));
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000033
34 return (next_buff_pos <= packet_len) &&
35 (next_buff_pos <= MAX_AGGREGATION_BYTES);
36}
37
38void add_bat_packet_to_list(struct bat_priv *bat_priv,
39 unsigned char *packet_buff, int packet_len,
Sven Eckelmannb4e17052011-06-15 09:41:37 +020040 struct hard_iface *if_incoming, int own_packet,
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000041 unsigned long send_time);
Sven Eckelmann747e4222011-05-14 23:14:50 +020042void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
43 unsigned char *packet_buff, int packet_len,
44 struct hard_iface *if_incoming);
Sven Eckelmannc6c8fea2010-12-13 11:19:28 +000045
46#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */