[linux-2.6-block.git] / drivers / staging / batman-adv / main.h

/*
 * Copyright (C) 2007-2009 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 "0.2.1-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 MAX_ADDR 16		  /* number of interfaces which can be added to
				   * batman. */

#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 MODULE_INACTIVE 0
#define MODULE_ACTIVE 1
#define MODULE_DEACTIVATING 2


/*
 * 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 originator_interval;
extern atomic_t vis_interval;
extern atomic_t vis_mode;
extern atomic_t aggregation_enabled;
extern int16_t num_hna;
extern int16_t num_ifs;

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 shutdown_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);
Commit	Line	Data
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 */
bad2239e AL	37	#define MAX_ADDR 16 /* number of interfaces which can be added to
5beef3c9 AL	38	* batman. */
5beef3c9 AL	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	*/
5beef3c9 AL	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);