2 * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
4 * Marek Lindner, Simon Wunderlich
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, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 #ifndef _NET_BATMAN_ADV_MAIN_H_
23 #define _NET_BATMAN_ADV_MAIN_H_
25 /* Kernel Programming */
28 #define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \
29 "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>"
30 #define DRIVER_DESC "B.A.T.M.A.N. advanced"
31 #define DRIVER_DEVICE "batman-adv"
33 #define SOURCE_VERSION "maint"
36 /* B.A.T.M.A.N. parameters */
38 #define TQ_MAX_VALUE 255
40 #define TTL 50 /* Time To Live of broadcast messages */
42 #define PURGE_TIMEOUT 200 /* purge originators after time in seconds if no
43 * valid packet comes in -> TODO: check
44 * influence on TQ_LOCAL_WINDOW_SIZE */
45 #define LOCAL_HNA_TIMEOUT 3600 /* in seconds */
47 #define TQ_LOCAL_WINDOW_SIZE 64 /* sliding packet range of received originator
48 * messages in squence numbers (should be a
49 * multiple of our word size) */
50 #define TQ_GLOBAL_WINDOW_SIZE 5
51 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
52 #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
53 #define TQ_TOTAL_BIDRECT_LIMIT 1
55 #define TQ_HOP_PENALTY 10
57 #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE)
59 #define PACKBUFF_SIZE 2000
60 #define LOG_BUF_LEN 8192 /* has to be a power of 2 */
61 #define ETH_STR_LEN 20
63 #define VIS_INTERVAL 5000 /* 5 seconds */
65 /* how much worse secondary interfaces may be to
66 * to be considered as bonding candidates */
68 #define BONDING_TQ_THRESHOLD 50
70 #define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or
72 * forw_packet->direct_link_flags */
73 #define MAX_AGGREGATION_MS 100
75 #define RESET_PROTECTION_MS 30000
76 #define EXPECTED_SEQNO_RANGE 65536
77 /* don't reset again within 30 seconds */
79 #define MODULE_INACTIVE 0
80 #define MODULE_ACTIVE 1
81 #define MODULE_DEACTIVATING 2
83 #define BCAST_QUEUE_LEN 256
84 #define BATMAN_QUEUE_LEN 256
90 #define DBG_BATMAN 1 /* all messages related to routing / flooding /
91 * broadcasting / etc */
92 #define DBG_ROUTES 2 /* route or hna added / changed / deleted */
94 #ifdef CONFIG_BATMAN_ADV_DEBUG
97 extern int bat_debug_type(int type);
98 #define bat_dbg(type, fmt, arg...) do { \
99 if (bat_debug_type(type)) \
100 printk(KERN_DEBUG "batman-adv:" fmt, ## arg); \
103 #else /* !CONFIG_BATMAN_ADV_DEBUG */
104 #define bat_dbg(type, fmt, arg...) do { \
113 /* #define VIS_SUBCLUSTERS_DISABLED */
119 #include <linux/mutex.h> /* mutex */
120 #include <linux/module.h> /* needed by all modules */
121 #include <linux/netdevice.h> /* netdevice */
122 #include <linux/if_ether.h> /* ethernet header */
123 #include <linux/poll.h> /* poll_table */
124 #include <linux/kthread.h> /* kernel threads */
125 #include <linux/pkt_sched.h> /* schedule types */
126 #include <linux/workqueue.h> /* workqueue */
127 #include <linux/slab.h>
128 #include <net/sock.h> /* struct sock */
129 #include <linux/jiffies.h>
130 #include <linux/seq_file.h>
133 #ifndef REVISION_VERSION
134 #define REVISION_VERSION_STR ""
136 #define REVISION_VERSION_STR " "REVISION_VERSION
139 extern struct list_head if_list;
140 extern struct hlist_head forw_bat_list;
141 extern struct hlist_head forw_bcast_list;
142 extern struct hashtable_t *orig_hash;
144 extern spinlock_t orig_hash_lock;
145 extern spinlock_t forw_bat_list_lock;
146 extern spinlock_t forw_bcast_list_lock;
148 extern atomic_t bcast_queue_left;
149 extern atomic_t batman_queue_left;
150 extern int16_t num_hna;
152 extern struct net_device *soft_device;
154 extern unsigned char broadcast_addr[];
155 extern atomic_t module_state;
156 extern struct workqueue_struct *bat_event_workqueue;
158 void activate_module(void);
159 void deactivate_module(void);
160 void inc_module_count(void);
161 void dec_module_count(void);
162 int addr_to_string(char *buff, uint8_t *addr);
163 int compare_orig(void *data1, void *data2);
164 int choose_orig(void *data, int32_t size);
165 int is_my_mac(uint8_t *addr);
166 int is_bcast(uint8_t *addr);
167 int is_mcast(uint8_t *addr);
169 #endif /* _NET_BATMAN_ADV_MAIN_H_ */