blob: 826e6c4ca5d510ab3e54e088eeef7f4c458bf3ee [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*********************************************************************
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +09002 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Filename: irmod.c
4 * Version: 0.9
5 * Description: IrDA stack main entry points
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Mon Dec 15 13:55:39 1997
9 * Modified at: Wed Jan 5 15:12:41 2000
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090011 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070012 * Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved.
13 * Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com>
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090014 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 * the License, or (at your option) any later version.
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090019 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070020 * Neither Dag Brattli nor University of Tromsø admit liability nor
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090021 * provide warranty for any of this software. This material is
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 * provided "AS-IS" and at no charge.
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090023 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 ********************************************************************/
25
26/*
27 * This file contains the main entry points of the IrDA stack.
28 * They are in this file and not af_irda.c because some developpers
29 * are using the IrDA stack without the socket API (compiling out
30 * af_irda.c).
31 * Jean II
32 */
33
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#include <linux/module.h>
35#include <linux/moduleparam.h>
36
37#include <net/irda/irda.h>
38#include <net/irda/irmod.h> /* notify_t */
39#include <net/irda/irlap.h> /* irlap_init */
40#include <net/irda/irlmp.h> /* irlmp_init */
41#include <net/irda/iriap.h> /* iriap_init */
42#include <net/irda/irttp.h> /* irttp_init */
43#include <net/irda/irda_device.h> /* irda_device_init */
44
45/* irproc.c */
46extern void irda_proc_register(void);
47extern void irda_proc_unregister(void);
48/* irsysctl.c */
49extern int irda_sysctl_register(void);
50extern void irda_sysctl_unregister(void);
51/* af_irda.c */
52extern int irsock_init(void);
53extern void irsock_cleanup(void);
54/* irlap_frame.c */
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +090055extern int irlap_driver_rcv(struct sk_buff *, struct net_device *,
David S. Millerf2ccd8f2005-08-09 19:34:12 -070056 struct packet_type *, struct net_device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
58/*
59 * Module parameters
60 */
61#ifdef CONFIG_IRDA_DEBUG
62unsigned int irda_debug = IRDA_DEBUG_LEVEL;
63module_param_named(debug, irda_debug, uint, 0);
64MODULE_PARM_DESC(debug, "IRDA debugging level");
65EXPORT_SYMBOL(irda_debug);
66#endif
67
68/* Packet type handler.
69 * Tell the kernel how IrDA packets should be handled.
70 */
71static struct packet_type irda_packet_type = {
72 .type = __constant_htons(ETH_P_IRDA),
73 .func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */
74};
75
76/*
77 * Function irda_notify_init (notify)
78 *
79 * Used for initializing the notify structure
80 *
81 */
82void irda_notify_init(notify_t *notify)
83{
84 notify->data_indication = NULL;
85 notify->udata_indication = NULL;
86 notify->connect_confirm = NULL;
87 notify->connect_indication = NULL;
88 notify->disconnect_indication = NULL;
89 notify->flow_indication = NULL;
90 notify->status_indication = NULL;
91 notify->instance = NULL;
92 strlcpy(notify->name, "Unknown", sizeof(notify->name));
93}
94EXPORT_SYMBOL(irda_notify_init);
95
96/*
97 * Function irda_init (void)
98 *
99 * Protocol stack initialisation entry point.
100 * Initialise the various components of the IrDA stack
101 */
102static int __init irda_init(void)
103{
104 IRDA_DEBUG(0, "%s()\n", __FUNCTION__);
105
106 /* Lower layer of the stack */
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900107 irlmp_init();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 irlap_init();
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900109
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 /* Higher layers of the stack */
111 iriap_init();
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900112 irttp_init();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 irsock_init();
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900114
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 /* Add IrDA packet type (Start receiving packets) */
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900116 dev_add_pack(&irda_packet_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117
118 /* External APIs */
119#ifdef CONFIG_PROC_FS
120 irda_proc_register();
121#endif
122#ifdef CONFIG_SYSCTL
123 irda_sysctl_register();
124#endif
125
126 /* Driver/dongle support */
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900127 irda_device_init();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128
129 return 0;
130}
131
132/*
133 * Function irda_cleanup (void)
134 *
135 * Protocol stack cleanup/removal entry point.
136 * Cleanup the various components of the IrDA stack
137 */
138static void __exit irda_cleanup(void)
139{
140 /* Remove External APIs */
141#ifdef CONFIG_SYSCTL
142 irda_sysctl_unregister();
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900143#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144#ifdef CONFIG_PROC_FS
145 irda_proc_unregister();
146#endif
147
148 /* Remove IrDA packet type (stop receiving packets) */
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900149 dev_remove_pack(&irda_packet_type);
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151 /* Remove higher layers */
152 irsock_cleanup();
153 irttp_cleanup();
154 iriap_cleanup();
155
156 /* Remove lower layers */
157 irda_device_cleanup();
158 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
159
160 /* Remove middle layer */
161 irlmp_cleanup();
162}
163
164/*
165 * The IrDA stack must be initialised *before* drivers get initialised,
166 * and *before* higher protocols (IrLAN/IrCOMM/IrNET) get initialised,
167 * otherwise bad things will happen (hashbins will be NULL for example).
168 * Those modules are at module_init()/device_initcall() level.
169 *
170 * On the other hand, it needs to be initialised *after* the basic
171 * networking, the /proc/net filesystem and sysctl module. Those are
172 * currently initialised in .../init/main.c (before initcalls).
173 * Also, IrDA drivers needs to be initialised *after* the random number
174 * generator (main stack and higher layer init don't need it anymore).
175 *
176 * Jean II
177 */
178subsys_initcall(irda_init);
179module_exit(irda_cleanup);
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900180
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>");
YOSHIFUJI Hideaki6819bc22007-02-09 23:24:53 +0900182MODULE_DESCRIPTION("The Linux IrDA Protocol Stack");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183MODULE_LICENSE("GPL");
184MODULE_ALIAS_NETPROTO(PF_IRDA);