drivers/staging/batman-adv/main.h

   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
  36 #define TTL 50                    /* Time To Live of broadcast messages */
  37 #define MAX_ADDR 16               /* number of interfaces which can be added to
  38                                    * batman. */
  39
  40 #define PURGE_TIMEOUT 200000      /* purge originators after time in ms if no
  41                                    * valid packet comes in -> TODO: check
  42                                    * influence on TQ_LOCAL_WINDOW_SIZE */
  43 #define LOCAL_HNA_TIMEOUT 3600000
  44
  45 #define TQ_LOCAL_WINDOW_SIZE 64   /* sliding packet range of received originator
  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 /*
  72  * Debug Messages
  73  */
  74
  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
  79 #ifdef CONFIG_BATMAN_ADV_DEBUG
  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)
  88 #else /* !CONFIG_BATMAN_ADV_DEBUG */
  89 #define bat_dbg(type, fmt, arg...) do {         \
  90         }                                       \
  91         while (0)
  92 #endif
  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 */
 112 #include <linux/slab.h>
 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;
 134 extern atomic_t vis_mode;
 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);