xref: /freebsd/lib/libbluetooth/bluetooth.h (revision fc1f75e512df3ae08ea50c496cd6c7e89780b201)
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/un.h>
43 #include <errno.h>
44 #include <netdb.h>
45 #include <netgraph/ng_message.h>
46 #include <netgraph/bluetooth/include/ng_hci.h>
47 #include <netgraph/bluetooth/include/ng_l2cap.h>
48 #include <netgraph/bluetooth/include/ng_btsocket.h>
49 
50 __BEGIN_DECLS
51 
52 /*
53  * Linux BlueZ compatibility
54  */
55 
56 #define	bacmp(ba1, ba2)	memcmp((ba1), (ba2), sizeof(bdaddr_t))
57 #define	bacpy(dst, src)	memcpy((dst), (src), sizeof(bdaddr_t))
58 #define ba2str(ba, str)	bt_ntoa((ba), (str))
59 #define str2ba(str, ba)	(bt_aton((str), (ba)) == 1? 0 : -1)
60 
61 /*
62  * Interface to the outside world
63  */
64 
65 struct hostent *  bt_gethostbyname    (char const *name);
66 struct hostent *  bt_gethostbyaddr    (char const *addr, int len, int type);
67 struct hostent *  bt_gethostent       (void);
68 void              bt_sethostent       (int stayopen);
69 void              bt_endhostent       (void);
70 
71 struct protoent * bt_getprotobyname   (char const *name);
72 struct protoent * bt_getprotobynumber (int proto);
73 struct protoent * bt_getprotoent      (void);
74 void              bt_setprotoent      (int stayopen);
75 void              bt_endprotoent      (void);
76 
77 char const *      bt_ntoa             (bdaddr_t const *ba, char *str);
78 int               bt_aton             (char const *str, bdaddr_t *ba);
79 
80 /* bt_devXXXX() functions (inspired by NetBSD) */
81 int               bt_devaddr          (char const *devname, bdaddr_t *addr);
82 int               bt_devname          (char *devname, bdaddr_t const *addr);
83 
84 /*
85  * Bluetooth HCI functions
86  */
87 
88 #define	HCI_DEVMAX			32		/* arbitrary */
89 #define	HCI_DEVNAME_SIZE		NG_NODESIZ
90 #define	HCI_DEVFEATURES_SIZE		NG_HCI_FEATURES_SIZE
91 
92 struct bt_devinfo
93 {
94 	char		devname[HCI_DEVNAME_SIZE];
95 
96 	uint32_t	state;		/* device/implementation specific */
97 
98 	bdaddr_t	bdaddr;
99 	uint16_t	_reserved0;
100 
101 	uint8_t		features[HCI_DEVFEATURES_SIZE];
102 
103 	/* buffer info */
104 	uint16_t	_reserved1;
105 	uint16_t	cmd_free;
106 	uint16_t	sco_size;
107 	uint16_t	sco_pkts;
108 	uint16_t	sco_free;
109 	uint16_t	acl_size;
110 	uint16_t	acl_pkts;
111 	uint16_t	acl_free;
112 
113 	/* stats */
114 	uint32_t	cmd_sent;
115 	uint32_t	evnt_recv;
116 	uint32_t	acl_recv;
117 	uint32_t	acl_sent;
118 	uint32_t	sco_recv;
119 	uint32_t	sco_sent;
120 	uint32_t	bytes_recv;
121 	uint32_t	bytes_sent;
122 
123 	/* misc/specific */
124 	uint16_t	link_policy_info;
125 	uint16_t	packet_type_info;
126 	uint16_t	role_switch_info;
127 	uint16_t	debug;
128 
129 	uint8_t		_padding[20];	/* leave space for future additions */
130 };
131 
132 typedef int	(bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
133 
134 int		bt_devinfo (struct bt_devinfo *di);
135 int		bt_devenum (bt_devenum_cb_t *cb, void *arg);
136 
137 /*
138  * bdaddr utility functions (from NetBSD)
139  */
140 
141 static __inline int
142 bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
143 {
144 	return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
145 		a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
146 		a->b[4] == b->b[4] && a->b[5] == b->b[5]);
147 }
148 
149 static __inline int
150 bdaddr_any(const bdaddr_t *a)
151 {
152 	return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
153 		a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
154 }
155 
156 static __inline void
157 bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
158 {
159 	d->b[0] = s->b[0];
160 	d->b[1] = s->b[1];
161 	d->b[2] = s->b[2];
162 	d->b[3] = s->b[3];
163 	d->b[4] = s->b[4];
164 	d->b[5] = s->b[5];
165 }
166 
167 __END_DECLS
168 
169 #endif /* ndef _BLUETOOTH_H_ */
170 
171