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5beef3c9 AL |
1 | /* |
2 | * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors: | |
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 | /* Kernel Programming */ | |
23 | #define LINUX | |
24 | ||
25 | #define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, Simon Wunderlich <siwu@hrz.tu-chemnitz.de>" | |
26 | #define DRIVER_DESC "B.A.T.M.A.N. advanced" | |
27 | #define DRIVER_DEVICE "batman-adv" | |
28 | ||
29 | #define SOURCE_VERSION "0.2.1-beta" | |
30 | ||
31 | ||
32 | /* B.A.T.M.A.N. parameters */ | |
33 | ||
34 | #define TQ_MAX_VALUE 255 | |
35 | #define JITTER 20 | |
bad2239e AL |
36 | #define TTL 50 /* Time To Live of broadcast messages */ |
37 | #define MAX_ADDR 16 /* number of interfaces which can be added to | |
5beef3c9 AL |
38 | * batman. */ |
39 | ||
bad2239e | 40 | #define PURGE_TIMEOUT 200000 /* purge originators after time in ms if no |
5beef3c9 AL |
41 | * valid packet comes in -> TODO: check |
42 | * influence on TQ_LOCAL_WINDOW_SIZE */ | |
43 | #define LOCAL_HNA_TIMEOUT 3600000 | |
44 | ||
bad2239e | 45 | #define TQ_LOCAL_WINDOW_SIZE 64 /* sliding packet range of received originator |
5beef3c9 AL |
46 | * messages in squence numbers (should be a |
47 | * multiple of our word size) */ | |
48 | #define TQ_GLOBAL_WINDOW_SIZE 5 | |
49 | #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 | |
50 | #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 | |
51 | #define TQ_TOTAL_BIDRECT_LIMIT 1 | |
52 | ||
53 | #define TQ_HOP_PENALTY 10 | |
54 | ||
55 | #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE) | |
56 | ||
57 | #define PACKBUFF_SIZE 2000 | |
58 | #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ | |
59 | #define ETH_STR_LEN 20 | |
60 | ||
61 | #define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or | |
62 | * change the size of | |
63 | * forw_packet->direct_link_flags */ | |
64 | #define MAX_AGGREGATION_MS 100 | |
65 | ||
66 | #define MODULE_INACTIVE 0 | |
67 | #define MODULE_ACTIVE 1 | |
68 | #define MODULE_DEACTIVATING 2 | |
69 | ||
70 | ||
71 | /* | |
bad2239e | 72 | * Debug Messages |
5beef3c9 AL |
73 | */ |
74 | ||
bad2239e AL |
75 | #define DBG_BATMAN 1 /* all messages related to routing / flooding / |
76 | * broadcasting / etc */ | |
77 | #define DBG_ROUTES 2 /* route or hna added / changed / deleted */ | |
78 | ||
734cc82a | 79 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
bad2239e AL |
80 | extern int debug; |
81 | ||
82 | extern int bat_debug_type(int type); | |
83 | #define bat_dbg(type, fmt, arg...) do { \ | |
84 | if (bat_debug_type(type)) \ | |
85 | printk(KERN_DEBUG "batman-adv:" fmt, ## arg); \ | |
86 | } \ | |
87 | while (0) | |
734cc82a | 88 | #else /* !CONFIG_BATMAN_ADV_DEBUG */ |
bad2239e AL |
89 | #define bat_dbg(type, fmt, arg...) do { \ |
90 | } \ | |
91 | while (0) | |
92 | #endif | |
5beef3c9 AL |
93 | |
94 | /* | |
95 | * Vis | |
96 | */ | |
97 | ||
98 | /* #define VIS_SUBCLUSTERS_DISABLED */ | |
99 | ||
100 | /* | |
101 | * Kernel headers | |
102 | */ | |
103 | ||
104 | #include <linux/mutex.h> /* mutex */ | |
105 | #include <linux/module.h> /* needed by all modules */ | |
106 | #include <linux/netdevice.h> /* netdevice */ | |
107 | #include <linux/if_ether.h> /* ethernet header */ | |
108 | #include <linux/poll.h> /* poll_table */ | |
109 | #include <linux/kthread.h> /* kernel threads */ | |
110 | #include <linux/pkt_sched.h> /* schedule types */ | |
111 | #include <linux/workqueue.h> /* workqueue */ | |
5a0e3ad6 | 112 | #include <linux/slab.h> |
5beef3c9 AL |
113 | #include <net/sock.h> /* struct sock */ |
114 | #include <linux/jiffies.h> | |
115 | #include "types.h" | |
116 | ||
117 | #ifndef REVISION_VERSION | |
118 | #define REVISION_VERSION_STR "" | |
119 | #else | |
120 | #define REVISION_VERSION_STR " "REVISION_VERSION | |
121 | #endif | |
122 | ||
123 | extern struct list_head if_list; | |
124 | extern struct hlist_head forw_bat_list; | |
125 | extern struct hlist_head forw_bcast_list; | |
126 | extern struct hashtable_t *orig_hash; | |
127 | ||
128 | extern spinlock_t orig_hash_lock; | |
129 | extern spinlock_t forw_bat_list_lock; | |
130 | extern spinlock_t forw_bcast_list_lock; | |
131 | ||
132 | extern atomic_t originator_interval; | |
133 | extern atomic_t vis_interval; | |
837b8248 | 134 | extern atomic_t vis_mode; |
5beef3c9 AL |
135 | extern atomic_t aggregation_enabled; |
136 | extern int16_t num_hna; | |
137 | extern int16_t num_ifs; | |
138 | ||
139 | extern struct net_device *soft_device; | |
140 | ||
141 | extern unsigned char broadcastAddr[]; | |
142 | extern atomic_t module_state; | |
143 | extern struct workqueue_struct *bat_event_workqueue; | |
144 | ||
145 | void activate_module(void); | |
146 | void shutdown_module(void); | |
147 | void inc_module_count(void); | |
148 | void dec_module_count(void); | |
149 | int addr_to_string(char *buff, uint8_t *addr); | |
150 | int compare_orig(void *data1, void *data2); | |
151 | int choose_orig(void *data, int32_t size); | |
152 | int is_my_mac(uint8_t *addr); | |
153 | int is_bcast(uint8_t *addr); | |
154 | int is_mcast(uint8_t *addr); |