path: root/net/irda/irlan/irlan_common.c

/*********************************************************************
 *
 * Filename:      irlan_common.c
 * Version:       0.9
 * Description:   IrDA LAN Access Protocol Implementation
 * Status:        Experimental.
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Sun Aug 31 20:14:37 1997
 * Modified at:   Sun Dec 26 21:53:10 1999
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 *
 *     Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>,
 *     All Rights Reserved.
 *
 *     This program is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of
 *     the License, or (at your option) any later version.
 *
 *     Neither Dag Brattli nor University of Tromsø admit liability nor
 *     provide warranty for any of this software. This material is
 *     provided "AS-IS" and at no charge.
 *
 ********************************************************************/

#include <linux/module.h>

#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/random.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/moduleparam.h>
#include <linux/bitops.h>

#include <asm/system.h>
#include <asm/byteorder.h>

#include <net/irda/irda.h>
#include <net/irda/irttp.h>
#include <net/irda/irlmp.h>
#include <net/irda/iriap.h>
#include <net/irda/timer.h>

#include <net/irda/irlan_common.h>
#include <net/irda/irlan_client.h>
#include <net/irda/irlan_provider.h>
#include <net/irda/irlan_eth.h>
#include <net/irda/irlan_filter.h>


/* extern char sysctl_devname[]; */

/*
 *  Master structure
 */
static LIST_HEAD(irlans);

static void *ckey;
static void *skey;

/* Module parameters */
static int eth;   /* Use "eth" or "irlan" name for devices */
static int access = ACCESS_PEER; /* PEER, DIRECT or HOSTED */

#ifdef CONFIG_PROC_FS
static const char *const irlan_access[] = {
	"UNKNOWN",
	"DIRECT",
	"PEER",
	"HOSTED"
};

static const char *const irlan_media[] = {
	"UNKNOWN",
	"802.3",
	"802.5"
};

extern struct proc_dir_entry *proc_irda;

static int irlan_seq_open(struct inode *inode, struct file *file);

static const struct file_operations irlan_fops = {
	.owner	 = THIS_MODULE,
	.open    = irlan_seq_open,
	.read    = seq_read,
	.llseek  = seq_lseek,
	.release = seq_release,
};

extern struct proc_dir_entry *proc_irda;
#endif /* CONFIG_PROC_FS */

static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr);
static void __irlan_close(struct irlan_cb *self);
static int __irlan_insert_param(struct sk_buff *skb, char *param, int type,
				__u8 value_byte, __u16 value_short,
				__u8 *value_array, __u16 value_len);
static void irlan_open_unicast_addr(struct irlan_cb *self);
static void irlan_get_unicast_addr(struct irlan_cb *self);
void irlan_close_tsaps(struct irlan_cb *self);

/*
 * Function irlan_init (void)
 *
 *    Initialize IrLAN layer
 *
 */
static int __init irlan_init(void)
{
	struct irlan_cb *new;
	__u16 hints;

	IRDA_DEBUG(2, "%s()\n", __func__ );

#ifdef CONFIG_PROC_FS
	{ struct proc_dir_entry *proc;
	proc = proc_create("irlan", 0, proc_irda, &irlan_fops);
	if (!proc)