1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*********************************************************************
*
* Filename: irmod.c
* Version: 0.9
* Description: IrDA stack main entry points
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Mon Dec 15 13:55:39 1997
* Modified at: Wed Jan 5 15:12:41 2000
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved.
* Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com>
*
* 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.
*
********************************************************************/
/*
* This file contains the main entry points of the IrDA stack.
* They are in this file and not af_irda.c because some developpers
* are using the IrDA stack without the socket API (compiling out
* af_irda.c).
* Jean II
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <net/irda/irda.h>
#include <net/irda/irmod.h> /* notify_t */
#include <net/irda/irlap.h> /* irlap_init */
#include <net/irda/irlmp.h> /* irlmp_init */
#include <net/irda/iriap.h> /* iriap_init */
#include <net/irda/irttp.h> /* irttp_init */
#include <net/irda/irda_device.h> /* irda_device_init */
/* irproc.c */
extern void irda_proc_register(void);
extern void irda_proc_unregister(void);
/* irsysctl.c */
extern int irda_sysctl_register(void);
extern void irda_sysctl_unregister(void);
/* af_irda.c */
extern int irsock_init(void);
extern void irsock_cleanup(void);
/* irlap_frame.c */
extern int irlap_driver_rcv(struct sk_buff *, struct net_device *,
struct packet_type *);
/*
* Module parameters
*/
#ifdef CONFIG_IRDA_DEBUG
unsigned int irda_debug = IRDA_DEBUG_LEVEL;
module_param_named(debug, irda_debug, uint, 0);
MODULE_PARM_DESC(debug, "IRDA debugging level");
EXPORT_SYMBOL(irda_debug);
#endif
/* Packet type handler.
* Tell the kernel how IrDA packets should be handled.
*/
static struct packet_type irda_packet_type = {
.type = __constant_htons(ETH_P_IRDA),
.func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */
};
/*
* Function irda_notify_init (notify)
*
* Used for initializing the notify structure
*
*/
void irda_notify_init(notify_t *notify)
{
notify->data_indication = NULL;
notify->udata_indication = NULL;
notify->connect_confirm = NULL;
notify->connect_indication = NULL;
notify->disconnect_indication = NULL;
notify->flow_indication = NULL;
notify->status_indication = NULL;
notify->instance = NULL;
strlcpy(notify->name, "Unknown", sizeof(notify->name));
}
EXPORT_SYMBOL(irda_notify_init);
/*
* Function irda_init (void)
*
* Protocol stack initialisation entry point.
* Initialise the various components of the IrDA stack
*/
static int __init irda_init(void)
{
IRDA_DEBUG(0, "%s()\n", __FUNCTION__);
/* Lower layer of the stack */
irlmp_init();
irlap_init();
/* Higher layers of the stack */
iriap_init();
irttp_init();
irsock_init();
/* Add IrDA packet type (Start receiving packets) */
dev_add_pack(&irda_packet_type);
/* External APIs */
#ifdef CONFIG_PROC_FS
irda_proc_register();
#endif
#ifdef CONFIG_SYSCTL
irda_sysctl_register();
#endif
/* Driver/dongle support */
irda_device_init();
return 0;
}
/*
* Function irda_cleanup (void)
*
* Protocol stack cleanup/removal entry point.
* Cleanup the various components of the IrDA stack
*/
static void __exit irda_cleanup(void)
{
/* Remove External APIs */
#ifdef CONFIG_SYSCTL
irda_sysctl_unregister();
#endif
#ifdef CONFIG_PROC_FS
irda_proc_unregister();
#endif
/* Remove IrDA packet type (stop receiving packets) */
dev_remove_pack(&irda_packet_type);
/* Remove higher layers */
irsock_cleanup();
irttp_cleanup();
iriap_cleanup();
/* Remove lower layers */
irda_device_cleanup();
irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
/* Remove middle layer */
irlmp_cleanup();
}
/*
* The IrDA stack must be initialised *before* drivers get initialised,
* and *before* higher protocols (IrLAN/IrCOMM/IrNET) get initialised,
* otherwise bad things will happen (hashbins will be NULL for example).
* Those modules are at module_init()/device_initcall() level.
*
* On the other hand, it needs to be initialised *after* the basic
* networking, the /proc/net filesystem and sysctl module. Those are
* currently initialised in .../init/main.c (before initcalls).
* Also, IrDA drivers needs to be initialised *after* the random number
* generator (main stack and higher layer init don't need it anymore).
*
* Jean II
*/
subsys_initcall(irda_init);
module_exit(irda_cleanup);
MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>");
MODULE_DESCRIPTION("The Linux IrDA Protocol Stack");
MODULE_LICENSE("GPL");
MODULE_ALIAS_NETPROTO(PF_IRDA);
|
