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1/*********************************************************************
2 *
3 * 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>
11 *
12 * Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved.
13 * Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com>
14 *
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.
19 *
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.
23 *
24 ********************************************************************/
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
34#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/*
46 * Module parameters
47 */
48#ifdef CONFIG_IRDA_DEBUG
49unsigned int irda_debug = IRDA_DEBUG_LEVEL;
50module_param_named(debug, irda_debug, uint, 0);
51MODULE_PARM_DESC(debug, "IRDA debugging level");
52EXPORT_SYMBOL(irda_debug);
53#endif
54
55/* Packet type handler.
56 * Tell the kernel how IrDA packets should be handled.
57 */
58static 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 */
61};
62
63/*
64 * Function irda_notify_init (notify)
65 *
66 * Used for initializing the notify structure
67 *
68 */
69void irda_notify_init(notify_t *notify)
70{
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));
80}
81EXPORT_SYMBOL(irda_notify_init);
82
83/*
84 * Function irda_init (void)
85 *
86 * Protocol stack initialisation entry point.
87 * Initialise the various components of the IrDA stack
88 */
89static int __init irda_init(void)
90{
91 int ret = 0;
92
93 IRDA_DEBUG(0, "%s()\n", __func__);
94
95 /* Lower layer of the stack */
96 irlmp_init();
97 irlap_init();
98
99 /* Driver/dongle support */
100 irda_device_init();
101
102 /* Higher layers of the stack */
103 iriap_init();
104 irttp_init();
105 ret = irsock_init();
106 if (ret < 0)
107 goto out_err_1;
108
109 /* Add IrDA packet type (Start receiving packets) */
110 dev_add_pack(&irda_packet_type);
111
112 /* External APIs */
113#ifdef CONFIG_PROC_FS
114 irda_proc_register();
115#endif
116#ifdef CONFIG_SYSCTL
117 ret = irda_sysctl_register();
118 if (ret < 0)
119 goto out_err_2;
120#endif
121
122 ret = irda_nl_register();
123 if (ret < 0)
124 goto out_err_3;
125
126 return 0;
127
128 out_err_3:
129#ifdef CONFIG_SYSCTL
130 irda_sysctl_unregister();
131 out_err_2:
132#endif
133#ifdef CONFIG_PROC_FS
134 irda_proc_unregister();
135#endif
136
137 /* Remove IrDA packet type (stop receiving packets) */
138 dev_remove_pack(&irda_packet_type);
139
140 /* Remove higher layers */
141 irsock_cleanup();
142 out_err_1:
143 irttp_cleanup();
144 iriap_cleanup();
145
146 /* Remove lower layers */
147 irda_device_cleanup();
148 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
149
150 /* Remove middle layer */
151 irlmp_cleanup();
152
153
154 return ret;
155}
156
157/*
158 * Function irda_cleanup (void)
159 *
160 * Protocol stack cleanup/removal entry point.
161 * Cleanup the various components of the IrDA stack
162 */
163static void __exit irda_cleanup(void)
164{
165 /* Remove External APIs */
166 irda_nl_unregister();
167
168#ifdef CONFIG_SYSCTL
169 irda_sysctl_unregister();
170#endif
171#ifdef CONFIG_PROC_FS
172 irda_proc_unregister();
173#endif
174
175 /* Remove IrDA packet type (stop receiving packets) */
176 dev_remove_pack(&irda_packet_type);
177
178 /* Remove higher layers */
179 irsock_cleanup();
180 irttp_cleanup();
181 iriap_cleanup();
182
183 /* Remove lower layers */
184 irda_device_cleanup();
185 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
186
187 /* Remove middle layer */
188 irlmp_cleanup();
189}
190
191/*
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.
196 *
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).
202 *
203 * Jean II
204 */
205subsys_initcall(irda_init);
206module_exit(irda_cleanup);
207
208MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>");
209MODULE_DESCRIPTION("The Linux IrDA Protocol Stack");
210MODULE_LICENSE("GPL");
211MODULE_ALIAS_NETPROTO(PF_IRDA);
1/*********************************************************************
2 *
3 * 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>
11 *
12 * Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved.
13 * Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com>
14 *
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.
19 *
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.
23 *
24 ********************************************************************/
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
34#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/* Packet type handler.
46 * Tell the kernel how IrDA packets should be handled.
47 */
48static struct packet_type irda_packet_type __read_mostly = {
49 .type = cpu_to_be16(ETH_P_IRDA),
50 .func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */
51};
52
53/*
54 * Function irda_notify_init (notify)
55 *
56 * Used for initializing the notify structure
57 *
58 */
59void irda_notify_init(notify_t *notify)
60{
61 notify->data_indication = NULL;
62 notify->udata_indication = NULL;
63 notify->connect_confirm = NULL;
64 notify->connect_indication = NULL;
65 notify->disconnect_indication = NULL;
66 notify->flow_indication = NULL;
67 notify->status_indication = NULL;
68 notify->instance = NULL;
69 strlcpy(notify->name, "Unknown", sizeof(notify->name));
70}
71EXPORT_SYMBOL(irda_notify_init);
72
73/*
74 * Function irda_init (void)
75 *
76 * Protocol stack initialisation entry point.
77 * Initialise the various components of the IrDA stack
78 */
79static int __init irda_init(void)
80{
81 int ret = 0;
82
83 /* Lower layer of the stack */
84 irlmp_init();
85 irlap_init();
86
87 /* Driver/dongle support */
88 irda_device_init();
89
90 /* Higher layers of the stack */
91 iriap_init();
92 irttp_init();
93 ret = irsock_init();
94 if (ret < 0)
95 goto out_err_1;
96
97 /* Add IrDA packet type (Start receiving packets) */
98 dev_add_pack(&irda_packet_type);
99
100 /* External APIs */
101#ifdef CONFIG_PROC_FS
102 irda_proc_register();
103#endif
104#ifdef CONFIG_SYSCTL
105 ret = irda_sysctl_register();
106 if (ret < 0)
107 goto out_err_2;
108#endif
109
110 ret = irda_nl_register();
111 if (ret < 0)
112 goto out_err_3;
113
114 return 0;
115
116 out_err_3:
117#ifdef CONFIG_SYSCTL
118 irda_sysctl_unregister();
119 out_err_2:
120#endif
121#ifdef CONFIG_PROC_FS
122 irda_proc_unregister();
123#endif
124
125 /* Remove IrDA packet type (stop receiving packets) */
126 dev_remove_pack(&irda_packet_type);
127
128 /* Remove higher layers */
129 irsock_cleanup();
130 out_err_1:
131 irttp_cleanup();
132 iriap_cleanup();
133
134 /* Remove lower layers */
135 irda_device_cleanup();
136 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
137
138 /* Remove middle layer */
139 irlmp_cleanup();
140
141
142 return ret;
143}
144
145/*
146 * Function irda_cleanup (void)
147 *
148 * Protocol stack cleanup/removal entry point.
149 * Cleanup the various components of the IrDA stack
150 */
151static void __exit irda_cleanup(void)
152{
153 /* Remove External APIs */
154 irda_nl_unregister();
155
156#ifdef CONFIG_SYSCTL
157 irda_sysctl_unregister();
158#endif
159#ifdef CONFIG_PROC_FS
160 irda_proc_unregister();
161#endif
162
163 /* Remove IrDA packet type (stop receiving packets) */
164 dev_remove_pack(&irda_packet_type);
165
166 /* Remove higher layers */
167 irsock_cleanup();
168 irttp_cleanup();
169 iriap_cleanup();
170
171 /* Remove lower layers */
172 irda_device_cleanup();
173 irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
174
175 /* Remove middle layer */
176 irlmp_cleanup();
177}
178
179/*
180 * The IrDA stack must be initialised *before* drivers get initialised,
181 * and *before* higher protocols (IrLAN/IrCOMM/IrNET) get initialised,
182 * otherwise bad things will happen (hashbins will be NULL for example).
183 * Those modules are at module_init()/device_initcall() level.
184 *
185 * On the other hand, it needs to be initialised *after* the basic
186 * networking, the /proc/net filesystem and sysctl module. Those are
187 * currently initialised in .../init/main.c (before initcalls).
188 * Also, IrDA drivers needs to be initialised *after* the random number
189 * generator (main stack and higher layer init don't need it anymore).
190 *
191 * Jean II
192 */
193subsys_initcall(irda_init);
194module_exit(irda_cleanup);
195
196MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>");
197MODULE_DESCRIPTION("The Linux IrDA Protocol Stack");
198MODULE_LICENSE("GPL");
199MODULE_ALIAS_NETPROTO(PF_IRDA);