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
|
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation;
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
/*
* BlueZ Bluetooth address family and sockets.
*
* $Id: af_bluetooth.c,v 1.4 2001/07/05 18:42:44 maxk Exp $
*/
#define VERSION "1.1"
#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <net/sock.h>
#if defined(CONFIG_KMOD)
#include <linux/kmod.h>
#endif
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/bluez.h>
/* Bluetooth sockets */
static struct net_proto_family *bluez_sock[BLUEZ_MAX_PROTO];
int bluez_sock_register(int proto, struct net_proto_family *ops)
{
if (proto > BLUEZ_MAX_PROTO)
return -EINVAL;
if (bluez_sock[proto])
return -EEXIST;
bluez_sock[proto] = ops;
return 0;
}
int bluez_sock_unregister(int proto)
{
if (proto > BLUEZ_MAX_PROTO)
return -EINVAL;
if (!bluez_sock[proto])
return -ENOENT;
bluez_sock[proto] = NULL;
return 0;
}
static int bluez_sock_create(struct socket *sock, int proto)
{
if (proto > BLUEZ_MAX_PROTO)
return -EINVAL;
#if defined(CONFIG_KMOD)
if (!bluez_sock[proto]) {
char module_name[30];
sprintf(module_name, "bt-proto-%d", proto);
request_module(module_name);
}
#endif
if (!bluez_sock[proto])
return -ENOENT;
return bluez_sock[proto]->create(sock, proto);
}
void bluez_sock_link(struct bluez_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
sk->next = l->head;
l->head = sk;
sock_hold(sk);
write_unlock(&l->lock);
}
void bluez_sock_unlink(struct bluez_sock_list *l, struct sock *sk)
{
struct sock **skp;
write_lock(&l->lock);
for (skp = &l->head; *skp; skp = &((*skp)->next)) {
if (*skp == sk) {
*skp = sk->next;
__sock_put(sk);
break;
}
}
write_unlock(&l->lock);
}
struct net_proto_family bluez_sock_family_ops =
{
PF_BLUETOOTH, bluez_sock_create
};
int bluez_init(void)
{
INF("BlueZ HCI Core ver %s Copyright (C) 2000,2001 Qualcomm Inc",
VERSION);
INF("Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>");
proc_mkdir("bluetooth", NULL);
sock_register(&bluez_sock_family_ops);
/* Init HCI Core */
hci_core_init();
/* Init sockets */
hci_sock_init();
return 0;
}
void bluez_cleanup(void)
{
/* Release socket */
hci_sock_cleanup();
/* Release core */
hci_core_cleanup();
sock_unregister(PF_BLUETOOTH);
remove_proc_entry("bluetooth", NULL);
}
#ifdef MODULE
module_init(bluez_init);
module_exit(bluez_cleanup);
MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>");
MODULE_DESCRIPTION("BlueZ HCI Core ver " VERSION);
#endif
|
