aboutsummaryrefslogtreecommitdiff
path: root/net/batman-adv/main.h
blob: d4d9926c2201e5656229612e36226abb6865479f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
 * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
 *
 * Marek Lindner, Simon Wunderlich
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 *
 */

#ifndef _NET_BATMAN_ADV_MAIN_H_
#define _NET_BATMAN_ADV_MAIN_H_

/* Kernel Programming */
#define LINUX

#define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \
		      "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>"
#define DRIVER_DESC   "B.A.T.M.A.N. advanced"
#define DRIVER_DEVICE "batman-adv"

#define SOURCE_VERSION "next"


/* B.A.T.M.A.N. parameters */

#define TQ_MAX_VALUE 255
#define JITTER 20
#define TTL 50			  /* Time To Live of broadcast messages */

#define PURGE_TIMEOUT 200	/* purge originators after time in seconds if no
				   * valid packet comes in -> TODO: check
				   * influence on TQ_LOCAL_WINDOW_SIZE */
#define LOCAL_HNA_TIMEOUT 3600 /* in seconds */

#define TQ_LOCAL_WINDOW_SIZE 64	  /* sliding packet range of received originator
				   * messages in squence numbers (should be a
				   * multiple of our word size) */
#define TQ_GLOBAL_WINDOW_SIZE 5
#define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
#define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
#define TQ_TOTAL_BIDRECT_LIMIT 1

#define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE)

#define PACKBUFF_SIZE 2000
#define LOG_BUF_LEN 8192	  /* has to be a power of 2 */

#define VIS_INTERVAL 5000	/* 5 seconds */

/* how much worse secondary interfaces may be to
 * to be considered as bonding candidates */

#define BONDING_TQ_THRESHOLD	50

#define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or
				   * change the size of
				   * forw_packet->direct_link_flags */
#define MAX_AGGREGATION_MS 100

#define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */

#define RESET_PROTECTION_MS 30000
#define EXPECTED_SEQNO_RANGE	65536
/* don't reset again within 30 seconds */

#define MESH_INACTIVE 0
#define MESH_ACTIVE 1
#define MESH_DEACTIVATING 2

#define BCAST_QUEUE_LEN		256
#define BATMAN_QUEUE_LEN	256

/*
 * Debug Messages
 */
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* Append 'batman-adv: ' before
					     * kernel messages */

#define DBG_BATMAN 1	/* all messages related to routing / flooding /
			 * broadcasting / etc */
#define DBG_ROUTES 2	/* route or hna added / changed / deleted */
#define DBG_ALL 3

#define LOG_BUF_LEN 8192          /* has to be a power of 2 */


/*
 *  Vis
 */

/* #define VIS_SUBCLUSTERS_DISABLED */

/*
 * Kernel headers
 */

#include <linux/mutex.h>	/* mutex */
#include <linux/module.h>	/* needed by all modules */
#include <linux/netdevice.h>	/* netdevice */
#include <linux/etherdevice.h>  /* ethernet address classifaction */
#include <linux/if_ether.h>	/* ethernet header */
#include <linux/poll.h>		/* poll_table */
#include <linux/kthread.h>	/* kernel threads */
#include <linux/pkt_sched.h>	/* schedule types */
#include <linux/workqueue.h>	/* workqueue */
#include <linux/slab.h>
#include <net/sock.h>		/* struct sock */
#include <linux/jiffies.h>
#include <linux/seq_file.h>
#include "types.h"

#ifndef REVISION_VERSION
#define REVISION_VERSION_STR ""
#else
#define REVISION_VERSION_STR " "REVISION_VERSION
#endif

extern struct list_head if_list;

extern unsigned char broadcast_addr[];
extern struct workqueue_struct *bat_event_workqueue;

int mesh_init(struct net_device *soft_iface);
void mesh_free(struct net_device *soft_iface);
void inc_module_count(void);
void dec_module_count(void);
int is_my_mac(uint8_t *addr);

#ifdef CONFIG_BATMAN_ADV_DEBUG
int debug_log(struct bat_priv *bat_priv, char *fmt, ...);

#define bat_dbg(type, bat_priv, fmt, arg...)			\
	do {							\
		if (atomic_read(&bat_priv->log_level) & type)	\
			debug_log(bat_priv, fmt, ## arg);	\
	}							\
	while (0)
#else /* !CONFIG_BATMAN_ADV_DEBUG */
static inline void bat_dbg(char type __attribute__((unused)),
			   struct bat_priv *bat_priv __attribute__((unused)),
			   char *fmt __attribute__((unused)), ...)
{
}
#endif

#define bat_warning(net_dev, fmt, arg...)				\
	do {								\
		struct net_device *_netdev = (net_dev);                 \
		struct bat_priv *_batpriv = netdev_priv(_netdev);       \
		bat_dbg(DBG_ALL, _batpriv, fmt, ## arg);		\
		pr_warning("%s: " fmt, _netdev->name, ## arg);		\
	} while (0)
#define bat_info(net_dev, fmt, arg...)					\
	do {								\
		struct net_device *_netdev = (net_dev);                 \
		struct bat_priv *_batpriv = netdev_priv(_netdev);       \
		bat_dbg(DBG_ALL, _batpriv, fmt, ## arg);		\
		pr_info("%s: " fmt, _netdev->name, ## arg);		\
	} while (0)
#define bat_err(net_dev, fmt, arg...)					\
	do {								\
		struct net_device *_netdev = (net_dev);                 \
		struct bat_priv *_batpriv = netdev_priv(_netdev);       \
		bat_dbg(DBG_ALL, _batpriv, fmt, ## arg);		\
		pr_err("%s: " fmt, _netdev->name, ## arg);		\
	} while (0)

#endif /* _NET_BATMAN_ADV_MAIN_H_ */