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/*
* 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
*
*/
/* 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 "0.2.2-beta"
/* 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 200000 /* purge originators after time in ms if no
* valid packet comes in -> TODO: check
* influence on TQ_LOCAL_WINDOW_SIZE */
#define LOCAL_HNA_TIMEOUT 3600000
#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 TQ_HOP_PENALTY 10
#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 ETH_STR_LEN 20
#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 RESET_PROTECTION_MS 30000
#define EXPECTED_SEQNO_RANGE 4096
/* don't reset again within 30 seconds */
#define MODULE_INACTIVE 0
#define MODULE_ACTIVE 1
#define MODULE_DEACTIVATING 2
#define BCAST_QUEUE_LEN 256
#define BATMAN_QUEUE_LEN 256
/*
* Debug Messages
*/
#define DBG_BATMAN 1 /* all messages related to routing / flooding /
* broadcasting / etc */
#define DBG_ROUTES 2 /* route or hna added / changed / deleted */
#ifdef CONFIG_BATMAN_ADV_DEBUG
extern int debug;
extern int bat_debug_type(int type);
#define bat_dbg(type, fmt, arg...) do { \
if (bat_debug_type(type)) \
printk(KERN_DEBUG "batman-adv:" fmt, ## arg); \
} \
while (0)
#else /* !CONFIG_BATMAN_ADV_DEBUG */
#define bat_dbg(type, fmt, arg...) do { \
} \
while (0)
#endif
/*
* 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/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 "types.h"
#ifndef REVISION_VERSION
#define REVISION_VERSION_STR ""
#else
#define REVISION_VERSION_STR " "REVISION_VERSION
#endif
extern struct list_head if_list;
extern struct hlist_head forw_bat_list;
extern struct hlist_head forw_bcast_list;
extern struct hashtable_t *orig_hash;
extern spinlock_t orig_hash_lock;
extern spinlock_t forw_bat_list_lock;
extern spinlock_t forw_bcast_list_lock;
extern atomic_t vis_interval;
extern atomic_t bcast_queue_left;
extern atomic_t batman_queue_left;
extern int16_t num_hna;
extern struct net_device *soft_device;
extern unsigned char broadcastAddr[];
extern atomic_t module_state;
extern struct workqueue_struct *bat_event_workqueue;
void activate_module(void);
void deactivate_module(void);
void inc_module_count(void);
void dec_module_count(void);
int addr_to_string(char *buff, uint8_t *addr);
int compare_orig(void *data1, void *data2);
int choose_orig(void *data, int32_t size);
int is_my_mac(uint8_t *addr);
int is_bcast(uint8_t *addr);
int is_mcast(uint8_t *addr);
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