1 /*********************************************************************
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>
12 * Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved.
13 * Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com>
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
18 * the License, or (at your option) any later version.
20 * Neither Dag Brattli nor University of Tromsø admit liability nor
21 * provide warranty for any of this software. This material is
22 * provided "AS-IS" and at no charge.
24 ********************************************************************/
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
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
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 */
48 #ifdef CONFIG_IRDA_DEBUG
49 unsigned int irda_debug = IRDA_DEBUG_LEVEL;
50 module_param_named(debug, irda_debug, uint, 0);
51 MODULE_PARM_DESC(debug, "IRDA debugging level");
52 EXPORT_SYMBOL(irda_debug);
55 /* Packet type handler.
56 * Tell the kernel how IrDA packets should be handled.
58 static struct packet_type irda_packet_type __read_mostly = {
59 .type = cpu_to_be16(ETH_P_IRDA),
60 .func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */
64 * Function irda_notify_init (notify)
66 * Used for initializing the notify structure
69 void irda_notify_init(notify_t *notify)
71 notify->data_indication = NULL;
72 notify->udata_indication = NULL;
73 notify->connect_confirm = NULL;
74 notify->connect_indication = NULL;
75 notify->disconnect_indication = NULL;
76 notify->flow_indication = NULL;
77 notify->status_indication = NULL;
78 notify->instance = NULL;
79 strlcpy(notify->name, "Unknown", sizeof(notify->name));
81 EXPORT_SYMBOL(irda_notify_init);
84 * Function irda_init (void)
86 * Protocol stack initialisation entry point.
87 * Initialise the various components of the IrDA stack
89 static int __init irda_init(void)
93 IRDA_DEBUG(0, "%s()\n", __func__);
95 /* Lower layer of the stack */
99 /* Driver/dongle support */
102 /* Higher layers of the stack */
109 /* Add IrDA packet type (Start receiving packets) */
110 dev_add_pack(&irda_packet_type);
113 #ifdef CONFIG_PROC_FS
114 irda_proc_register();
117 ret = irda_sysctl_register();
122 ret = irda_nl_register();
130 irda_sysctl_unregister();
133 #ifdef CONFIG_PROC_FS
134 irda_proc_unregister();
137 /* Remove IrDA packet type (stop receiving packets) */
138 dev_remove_pack(&irda_packet_type);
140 /* Remove higher layers */
146 /* Remove lower layers */
147 irda_device_cleanup();
148 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
150 /* Remove middle layer */
158 * Function irda_cleanup (void)
160 * Protocol stack cleanup/removal entry point.
161 * Cleanup the various components of the IrDA stack
163 static void __exit irda_cleanup(void)
165 /* Remove External APIs */
166 irda_nl_unregister();
169 irda_sysctl_unregister();
171 #ifdef CONFIG_PROC_FS
172 irda_proc_unregister();
175 /* Remove IrDA packet type (stop receiving packets) */
176 dev_remove_pack(&irda_packet_type);
178 /* Remove higher layers */
183 /* Remove lower layers */
184 irda_device_cleanup();
185 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
187 /* Remove middle layer */
192 * The IrDA stack must be initialised *before* drivers get initialised,
193 * and *before* higher protocols (IrLAN/IrCOMM/IrNET) get initialised,
194 * otherwise bad things will happen (hashbins will be NULL for example).
195 * Those modules are at module_init()/device_initcall() level.
197 * On the other hand, it needs to be initialised *after* the basic
198 * networking, the /proc/net filesystem and sysctl module. Those are
199 * currently initialised in .../init/main.c (before initcalls).
200 * Also, IrDA drivers needs to be initialised *after* the random number
201 * generator (main stack and higher layer init don't need it anymore).
205 subsys_initcall(irda_init);
206 module_exit(irda_cleanup);
208 MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>");
209 MODULE_DESCRIPTION("The Linux IrDA Protocol Stack");
210 MODULE_LICENSE("GPL");
211 MODULE_ALIAS_NETPROTO(PF_IRDA);