xref: /freebsd/lib/libbluetooth/bluetooth.h (revision 42b38843)
1 /*
2  * bluetooth.h
3  */
4 
5 /*-
6  * SPDX-License-Identifier: BSD-2-Clause
7  *
8  * Copyright (c) 2001-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $Id: bluetooth.h,v 1.5 2003/09/14 23:28:42 max Exp $
33  */
34 
35 #ifndef _BLUETOOTH_H_
36 #define _BLUETOOTH_H_
37 
38 #include <sys/types.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 
45 #include <errno.h>
46 #include <netdb.h>
47 #include <bitstring.h>
48 
49 #include <netgraph/ng_message.h>
50 #include <netgraph/bluetooth/include/ng_bluetooth.h>
51 #include <netgraph/bluetooth/include/ng_hci.h>
52 #include <netgraph/bluetooth/include/ng_l2cap.h>
53 #include <netgraph/bluetooth/include/ng_btsocket.h>
54 #include <time.h>
55 
56 __BEGIN_DECLS
57 
58 /*
59  * Linux BlueZ compatibility
60  */
61 
62 #define	bacmp(ba1, ba2)	memcmp((ba1), (ba2), sizeof(bdaddr_t))
63 #define	bacpy(dst, src)	memcpy((dst), (src), sizeof(bdaddr_t))
64 #define ba2str(ba, str)	bt_ntoa((ba), (str))
65 #define str2ba(str, ba)	(bt_aton((str), (ba)) == 1? 0 : -1)
66 #define htobs(d)	htole16(d)
67 #define htobl(d)	htole32(d)
68 #define btohs(d)	le16toh(d)
69 #define btohl(d)	le32toh(d)
70 
71 /*
72  * Interface to the outside world
73  */
74 
75 struct hostent *  bt_gethostbyname    (char const *name);
76 struct hostent *  bt_gethostbyaddr    (char const *addr, int len, int type);
77 struct hostent *  bt_gethostent       (void);
78 void              bt_sethostent       (int stayopen);
79 void              bt_endhostent       (void);
80 
81 struct protoent * bt_getprotobyname   (char const *name);
82 struct protoent * bt_getprotobynumber (int proto);
83 struct protoent * bt_getprotoent      (void);
84 void              bt_setprotoent      (int stayopen);
85 void              bt_endprotoent      (void);
86 
87 char const *      bt_ntoa             (bdaddr_t const *ba, char *str);
88 int               bt_aton             (char const *str, bdaddr_t *ba);
89 
90 /* bt_devXXXX() functions (inspired by NetBSD) */
91 int               bt_devaddr          (char const *devname, bdaddr_t *addr);
92 int               bt_devname          (char *devname, bdaddr_t const *addr);
93 
94 /*
95  * Bluetooth HCI functions
96  */
97 
98 #define	HCI_DEVMAX			32		/* arbitrary */
99 #define	HCI_DEVNAME_SIZE		NG_NODESIZ
100 #define	HCI_DEVFEATURES_SIZE		NG_HCI_FEATURES_SIZE
101 
102 struct bt_devinfo
103 {
104 	char		devname[HCI_DEVNAME_SIZE];
105 
106 	uint32_t	state;		/* device/implementation specific */
107 
108 	bdaddr_t	bdaddr;
109 	uint16_t	_reserved0;
110 
111 	uint8_t		features[HCI_DEVFEATURES_SIZE];
112 
113 	/* buffer info */
114 	uint16_t	_reserved1;
115 	uint16_t	cmd_free;
116 	uint16_t	sco_size;
117 	uint16_t	sco_pkts;
118 	uint16_t	sco_free;
119 	uint16_t	acl_size;
120 	uint16_t	acl_pkts;
121 	uint16_t	acl_free;
122 
123 	/* stats */
124 	uint32_t	cmd_sent;
125 	uint32_t	evnt_recv;
126 	uint32_t	acl_recv;
127 	uint32_t	acl_sent;
128 	uint32_t	sco_recv;
129 	uint32_t	sco_sent;
130 	uint32_t	bytes_recv;
131 	uint32_t	bytes_sent;
132 
133 	/* misc/specific */
134 	uint16_t	link_policy_info;
135 	uint16_t	packet_type_info;
136 	uint16_t	role_switch_info;
137 	uint16_t	debug;
138 
139 	uint8_t		_padding[20];	/* leave space for future additions */
140 };
141 
142 struct bt_devreq
143 {
144 	uint16_t	opcode;
145 	uint8_t		event;
146 	void		*cparam;
147 	size_t		clen;
148 	void		*rparam;
149 	size_t		rlen;
150 };
151 
152 struct bt_devfilter {
153 	bitstr_t	bit_decl(packet_mask, 8);
154 	bitstr_t	bit_decl(event_mask, 256);
155 };
156 
157 struct bt_devinquiry {
158 	bdaddr_t        bdaddr;
159 	uint8_t         pscan_rep_mode;
160 	uint8_t         pscan_period_mode;
161 	uint8_t         dev_class[3];
162 	uint16_t        clock_offset;
163 	int8_t          rssi;
164 	uint8_t         data[240];
165 };
166 
167 typedef int	(bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
168 
169 int		bt_devopen (char const *devname);
170 int		bt_devclose(int s);
171 int		bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
172 ssize_t		bt_devrecv (int s, void *buf, size_t size, time_t to);
173 int		bt_devreq  (int s, struct bt_devreq *r, time_t to);
174 int		bt_devfilter(int s, struct bt_devfilter const *newp,
175 			     struct bt_devfilter *oldp);
176 void		bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
177 void		bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
178 int		bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
179 void		bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
180 void		bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
181 int		bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
182 int		bt_devinquiry(char const *devname, time_t length, int num_rsp,
183 			      struct bt_devinquiry **ii);
184 char *		bt_devremote_name(char const *devname, const bdaddr_t *remote,
185 				  time_t to, uint16_t clk_off,
186 				  uint8_t ps_rep_mode, uint8_t ps_mode);
187 int		bt_devinfo (struct bt_devinfo *di);
188 int		bt_devenum (bt_devenum_cb_t cb, void *arg);
189 
190 static __inline char *
bt_devremote_name_gen(char const * btooth_devname,const bdaddr_t * remote)191 bt_devremote_name_gen(char const *btooth_devname, const bdaddr_t *remote)
192 {
193 	return (bt_devremote_name(btooth_devname, remote, 0, 0x0000,
194 		NG_HCI_SCAN_REP_MODE0, NG_HCI_MANDATORY_PAGE_SCAN_MODE));
195 }
196 
197 /*
198  * bdaddr utility functions (from NetBSD)
199  */
200 
201 static __inline int
bdaddr_same(const bdaddr_t * a,const bdaddr_t * b)202 bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
203 {
204 	return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
205 		a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
206 		a->b[4] == b->b[4] && a->b[5] == b->b[5]);
207 }
208 
209 static __inline int
bdaddr_any(const bdaddr_t * a)210 bdaddr_any(const bdaddr_t *a)
211 {
212 	return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
213 		a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
214 }
215 
216 static __inline void
bdaddr_copy(bdaddr_t * d,const bdaddr_t * s)217 bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
218 {
219 	d->b[0] = s->b[0];
220 	d->b[1] = s->b[1];
221 	d->b[2] = s->b[2];
222 	d->b[3] = s->b[3];
223 	d->b[4] = s->b[4];
224 	d->b[5] = s->b[5];
225 }
226 
227 __END_DECLS
228 
229 #endif /* ndef _BLUETOOTH_H_ */
230 
231