aboutsummaryrefslogtreecommitdiff
path: root/lib/libbluetooth/bluetooth.h
blob: 96a531cffa75f2bb2afb39058f3f4ab2236182c8 (plain) (blame)
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/*
 * bluetooth.h
 */

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2001-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: bluetooth.h,v 1.5 2003/09/14 23:28:42 max Exp $
 * $FreeBSD$
 */

#ifndef _BLUETOOTH_H_
#define _BLUETOOTH_H_

#include <sys/types.h>
#include <sys/endian.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <sys/un.h>

#include <errno.h>
#include <netdb.h>
#include <bitstring.h>

#include <netgraph/ng_message.h>
#include <netgraph/bluetooth/include/ng_bluetooth.h>
#include <netgraph/bluetooth/include/ng_hci.h>
#include <netgraph/bluetooth/include/ng_l2cap.h>
#include <netgraph/bluetooth/include/ng_btsocket.h>
#include <time.h>

__BEGIN_DECLS

/*
 * Linux BlueZ compatibility
 */

#define	bacmp(ba1, ba2)	memcmp((ba1), (ba2), sizeof(bdaddr_t))
#define	bacpy(dst, src)	memcpy((dst), (src), sizeof(bdaddr_t))
#define ba2str(ba, str)	bt_ntoa((ba), (str))
#define str2ba(str, ba)	(bt_aton((str), (ba)) == 1? 0 : -1)
#define htobs(d)	htole16(d)
#define htobl(d)	htole32(d)
#define btohs(d)	le16toh(d)
#define btohl(d)	le32toh(d)

/*
 * Interface to the outside world
 */

struct hostent *  bt_gethostbyname    (char const *name);
struct hostent *  bt_gethostbyaddr    (char const *addr, int len, int type);
struct hostent *  bt_gethostent       (void);
void              bt_sethostent       (int stayopen);
void              bt_endhostent       (void);

struct protoent * bt_getprotobyname   (char const *name);
struct protoent * bt_getprotobynumber (int proto);
struct protoent * bt_getprotoent      (void);
void              bt_setprotoent      (int stayopen);
void              bt_endprotoent      (void);

char const *      bt_ntoa             (bdaddr_t const *ba, char *str);
int               bt_aton             (char const *str, bdaddr_t *ba);

/* bt_devXXXX() functions (inspired by NetBSD) */
int               bt_devaddr          (char const *devname, bdaddr_t *addr);
int               bt_devname          (char *devname, bdaddr_t const *addr);

/* 
 * Bluetooth HCI functions
 */

#define	HCI_DEVMAX			32		/* arbitrary */
#define	HCI_DEVNAME_SIZE		NG_NODESIZ
#define	HCI_DEVFEATURES_SIZE		NG_HCI_FEATURES_SIZE

struct bt_devinfo
{
	char		devname[HCI_DEVNAME_SIZE];

	uint32_t	state;		/* device/implementation specific */

	bdaddr_t	bdaddr;
	uint16_t	_reserved0;

	uint8_t		features[HCI_DEVFEATURES_SIZE];

	/* buffer info */
	uint16_t	_reserved1;
	uint16_t	cmd_free;
	uint16_t	sco_size;
	uint16_t	sco_pkts;
	uint16_t	sco_free;
	uint16_t	acl_size;
	uint16_t	acl_pkts;
	uint16_t	acl_free;

	/* stats */
	uint32_t	cmd_sent;
	uint32_t	evnt_recv;
	uint32_t	acl_recv;
	uint32_t	acl_sent;
	uint32_t	sco_recv;
	uint32_t	sco_sent;
	uint32_t	bytes_recv;
	uint32_t	bytes_sent;

	/* misc/specific */
	uint16_t	link_policy_info;
	uint16_t	packet_type_info;
	uint16_t	role_switch_info;
	uint16_t	debug;

	uint8_t		_padding[20];	/* leave space for future additions */
};

struct bt_devreq
{
	uint16_t	opcode;
	uint8_t		event;
	void		*cparam;
	size_t		clen;
	void		*rparam;
	size_t		rlen;
};

struct bt_devfilter {
	bitstr_t	bit_decl(packet_mask, 8);
	bitstr_t	bit_decl(event_mask, 256);
};

struct bt_devinquiry {
	bdaddr_t        bdaddr;
	uint8_t         pscan_rep_mode;
	uint8_t         pscan_period_mode;
	uint8_t         dev_class[3];
	uint16_t        clock_offset;
	int8_t          rssi;
	uint8_t         data[240];
};

typedef int	(bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);

int		bt_devopen (char const *devname);
int		bt_devclose(int s);
int		bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
ssize_t		bt_devrecv (int s, void *buf, size_t size, time_t to);
int		bt_devreq  (int s, struct bt_devreq *r, time_t to);
int		bt_devfilter(int s, struct bt_devfilter const *newp,
			     struct bt_devfilter *oldp);
void		bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
void		bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
int		bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
void		bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
void		bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
int		bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
int		bt_devinquiry(char const *devname, time_t length, int num_rsp,
			      struct bt_devinquiry **ii);
char *		bt_devremote_name(char const *devname, const bdaddr_t *remote,
				  time_t to, uint16_t clk_off,
				  uint8_t ps_rep_mode, uint8_t ps_mode);
int		bt_devinfo (struct bt_devinfo *di);
int		bt_devenum (bt_devenum_cb_t cb, void *arg);

static __inline char *
bt_devremote_name_gen(char const *btooth_devname, const bdaddr_t *remote)
{
	return (bt_devremote_name(btooth_devname, remote, 0, 0x0000,
		NG_HCI_SCAN_REP_MODE0, NG_HCI_MANDATORY_PAGE_SCAN_MODE));
}

/*
 * bdaddr utility functions (from NetBSD)
 */

static __inline int
bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
{
	return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
		a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
		a->b[4] == b->b[4] && a->b[5] == b->b[5]);
}

static __inline int
bdaddr_any(const bdaddr_t *a)
{
	return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
		a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
}

static __inline void
bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
{
	d->b[0] = s->b[0];
	d->b[1] = s->b[1];
	d->b[2] = s->b[2];
	d->b[3] = s->b[3];
	d->b[4] = s->b[4];
	d->b[5] = s->b[5];
}

__END_DECLS

#endif /* ndef _BLUETOOTH_H_ */