1/*
2 * bluetooth.h
3 */
4
5/*-
6 * Copyright (c) 2001-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: bluetooth.h,v 1.5 2003/09/14 23:28:42 max Exp $
31 * $FreeBSD$
32 */
33
34#ifndef _BLUETOOTH_H_
35#define _BLUETOOTH_H_
36
37#include <sys/types.h>
38#include <sys/bitstring.h>
39#include <sys/endian.h>
40#include <sys/ioctl.h>
41#include <sys/socket.h>
42#include <sys/uio.h>
43#include <sys/un.h>
44#include <errno.h>
45#include <netdb.h>
46#include <netgraph/ng_message.h>
47#include <netgraph/bluetooth/include/ng_hci.h>
48#include <netgraph/bluetooth/include/ng_l2cap.h>
49#include <netgraph/bluetooth/include/ng_btsocket.h>
50#include <time.h>
51
52__BEGIN_DECLS
53
54/*
55 * Linux BlueZ compatibility
56 */
57
58#define	bacmp(ba1, ba2)	memcmp((ba1), (ba2), sizeof(bdaddr_t))
59#define	bacpy(dst, src)	memcpy((dst), (src), sizeof(bdaddr_t))
60#define ba2str(ba, str)	bt_ntoa((ba), (str))
61#define str2ba(str, ba)	(bt_aton((str), (ba)) == 1? 0 : -1)
62#define htobs(d)	htole16(d)
63#define htobl(d)	htole32(d)
64#define btohs(d)	le16toh(d)
65#define btohl(d)	le32toh(d)
66
67/*
68 * Interface to the outside world
69 */
70
71struct hostent *  bt_gethostbyname    (char const *name);
72struct hostent *  bt_gethostbyaddr    (char const *addr, int len, int type);
73struct hostent *  bt_gethostent       (void);
74void              bt_sethostent       (int stayopen);
75void              bt_endhostent       (void);
76
77struct protoent * bt_getprotobyname   (char const *name);
78struct protoent * bt_getprotobynumber (int proto);
79struct protoent * bt_getprotoent      (void);
80void              bt_setprotoent      (int stayopen);
81void              bt_endprotoent      (void);
82
83char const *      bt_ntoa             (bdaddr_t const *ba, char *str);
84int               bt_aton             (char const *str, bdaddr_t *ba);
85
86/* bt_devXXXX() functions (inspired by NetBSD) */
87int               bt_devaddr          (char const *devname, bdaddr_t *addr);
88int               bt_devname          (char *devname, bdaddr_t const *addr);
89
90/*
91 * Bluetooth HCI functions
92 */
93
94#define	HCI_DEVMAX			32		/* arbitrary */
95#define	HCI_DEVNAME_SIZE		NG_NODESIZ
96#define	HCI_DEVFEATURES_SIZE		NG_HCI_FEATURES_SIZE
97
98struct bt_devinfo
99{
100	char		devname[HCI_DEVNAME_SIZE];
101
102	uint32_t	state;		/* device/implementation specific */
103
104	bdaddr_t	bdaddr;
105	uint16_t	_reserved0;
106
107	uint8_t		features[HCI_DEVFEATURES_SIZE];
108
109	/* buffer info */
110	uint16_t	_reserved1;
111	uint16_t	cmd_free;
112	uint16_t	sco_size;
113	uint16_t	sco_pkts;
114	uint16_t	sco_free;
115	uint16_t	acl_size;
116	uint16_t	acl_pkts;
117	uint16_t	acl_free;
118
119	/* stats */
120	uint32_t	cmd_sent;
121	uint32_t	evnt_recv;
122	uint32_t	acl_recv;
123	uint32_t	acl_sent;
124	uint32_t	sco_recv;
125	uint32_t	sco_sent;
126	uint32_t	bytes_recv;
127	uint32_t	bytes_sent;
128
129	/* misc/specific */
130	uint16_t	link_policy_info;
131	uint16_t	packet_type_info;
132	uint16_t	role_switch_info;
133	uint16_t	debug;
134
135	uint8_t		_padding[20];	/* leave space for future additions */
136};
137
138struct bt_devreq
139{
140	uint16_t	opcode;
141	uint8_t		event;
142	void		*cparam;
143	size_t		clen;
144	void		*rparam;
145	size_t		rlen;
146};
147
148struct bt_devfilter {
149	bitstr_t	bit_decl(packet_mask, 8);
150	bitstr_t	bit_decl(event_mask, 256);
151};
152
153struct bt_devinquiry {
154	bdaddr_t        bdaddr;
155	uint8_t         pscan_rep_mode;
156	uint8_t         pscan_period_mode;
157	uint8_t         dev_class[3];
158	uint16_t        clock_offset;
159	int8_t          rssi;
160	uint8_t         data[240];
161};
162
163typedef int	(bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
164
165int		bt_devopen (char const *devname);
166int		bt_devclose(int s);
167int		bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
168ssize_t		bt_devrecv (int s, void *buf, size_t size, time_t to);
169int		bt_devreq  (int s, struct bt_devreq *r, time_t to);
170int		bt_devfilter(int s, struct bt_devfilter const *newp,
171			     struct bt_devfilter *oldp);
172void		bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
173void		bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
174int		bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
175void		bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
176void		bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
177int		bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
178int		bt_devinquiry(char const *devname, time_t length, int num_rsp,
179			      struct bt_devinquiry **ii);
180int		bt_devinfo (struct bt_devinfo *di);
181int		bt_devenum (bt_devenum_cb_t *cb, void *arg);
182
183/*
184 * bdaddr utility functions (from NetBSD)
185 */
186
187static __inline int
188bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
189{
190	return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
191		a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
192		a->b[4] == b->b[4] && a->b[5] == b->b[5]);
193}
194
195static __inline int
196bdaddr_any(const bdaddr_t *a)
197{
198	return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
199		a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
200}
201
202static __inline void
203bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
204{
205	d->b[0] = s->b[0];
206	d->b[1] = s->b[1];
207	d->b[2] = s->b[2];
208	d->b[3] = s->b[3];
209	d->b[4] = s->b[4];
210	d->b[5] = s->b[5];
211}
212
213__END_DECLS
214
215#endif /* ndef _BLUETOOTH_H_ */
216
217