1 /*
2 * bluetooth.h
3 */
4
5 /*-
6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7 *
8 * Copyright (c) 2001-2009 Maksim Yevmenkin <[email protected]>
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 * $FreeBSD$
34 */
35
36 #ifndef _BLUETOOTH_H_
37 #define _BLUETOOTH_H_
38
39 #include <sys/types.h>
40 #include <sys/endian.h>
41 #include <sys/ioctl.h>
42 #include <sys/socket.h>
43 #include <sys/uio.h>
44 #include <sys/un.h>
45
46 #include <errno.h>
47 #include <netdb.h>
48 #include <bitstring.h>
49
50 #include <netgraph/ng_message.h>
51 #include <netgraph/bluetooth/include/ng_bluetooth.h>
52 #include <netgraph/bluetooth/include/ng_hci.h>
53 #include <netgraph/bluetooth/include/ng_l2cap.h>
54 #include <netgraph/bluetooth/include/ng_btsocket.h>
55 #include <time.h>
56
57 __BEGIN_DECLS
58
59 /*
60 * Linux BlueZ compatibility
61 */
62
63 #define bacmp(ba1, ba2) memcmp((ba1), (ba2), sizeof(bdaddr_t))
64 #define bacpy(dst, src) memcpy((dst), (src), sizeof(bdaddr_t))
65 #define ba2str(ba, str) bt_ntoa((ba), (str))
66 #define str2ba(str, ba) (bt_aton((str), (ba)) == 1? 0 : -1)
67 #define htobs(d) htole16(d)
68 #define htobl(d) htole32(d)
69 #define btohs(d) le16toh(d)
70 #define btohl(d) le32toh(d)
71
72 /*
73 * Interface to the outside world
74 */
75
76 struct hostent * bt_gethostbyname (char const *name);
77 struct hostent * bt_gethostbyaddr (char const *addr, int len, int type);
78 struct hostent * bt_gethostent (void);
79 void bt_sethostent (int stayopen);
80 void bt_endhostent (void);
81
82 struct protoent * bt_getprotobyname (char const *name);
83 struct protoent * bt_getprotobynumber (int proto);
84 struct protoent * bt_getprotoent (void);
85 void bt_setprotoent (int stayopen);
86 void bt_endprotoent (void);
87
88 char const * bt_ntoa (bdaddr_t const *ba, char *str);
89 int bt_aton (char const *str, bdaddr_t *ba);
90
91 /* bt_devXXXX() functions (inspired by NetBSD) */
92 int bt_devaddr (char const *devname, bdaddr_t *addr);
93 int bt_devname (char *devname, bdaddr_t const *addr);
94
95 /*
96 * Bluetooth HCI functions
97 */
98
99 #define HCI_DEVMAX 32 /* arbitrary */
100 #define HCI_DEVNAME_SIZE NG_NODESIZ
101 #define HCI_DEVFEATURES_SIZE NG_HCI_FEATURES_SIZE
102
103 struct bt_devinfo
104 {
105 char devname[HCI_DEVNAME_SIZE];
106
107 uint32_t state; /* device/implementation specific */
108
109 bdaddr_t bdaddr;
110 uint16_t _reserved0;
111
112 uint8_t features[HCI_DEVFEATURES_SIZE];
113
114 /* buffer info */
115 uint16_t _reserved1;
116 uint16_t cmd_free;
117 uint16_t sco_size;
118 uint16_t sco_pkts;
119 uint16_t sco_free;
120 uint16_t acl_size;
121 uint16_t acl_pkts;
122 uint16_t acl_free;
123
124 /* stats */
125 uint32_t cmd_sent;
126 uint32_t evnt_recv;
127 uint32_t acl_recv;
128 uint32_t acl_sent;
129 uint32_t sco_recv;
130 uint32_t sco_sent;
131 uint32_t bytes_recv;
132 uint32_t bytes_sent;
133
134 /* misc/specific */
135 uint16_t link_policy_info;
136 uint16_t packet_type_info;
137 uint16_t role_switch_info;
138 uint16_t debug;
139
140 uint8_t _padding[20]; /* leave space for future additions */
141 };
142
143 struct bt_devreq
144 {
145 uint16_t opcode;
146 uint8_t event;
147 void *cparam;
148 size_t clen;
149 void *rparam;
150 size_t rlen;
151 };
152
153 struct bt_devfilter {
154 bitstr_t bit_decl(packet_mask, 8);
155 bitstr_t bit_decl(event_mask, 256);
156 };
157
158 struct bt_devinquiry {
159 bdaddr_t bdaddr;
160 uint8_t pscan_rep_mode;
161 uint8_t pscan_period_mode;
162 uint8_t dev_class[3];
163 uint16_t clock_offset;
164 int8_t rssi;
165 uint8_t data[240];
166 };
167
168 typedef int (bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
169
170 int bt_devopen (char const *devname);
171 int bt_devclose(int s);
172 int bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
173 ssize_t bt_devrecv (int s, void *buf, size_t size, time_t to);
174 int bt_devreq (int s, struct bt_devreq *r, time_t to);
175 int bt_devfilter(int s, struct bt_devfilter const *newp,
176 struct bt_devfilter *oldp);
177 void bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
178 void bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
179 int bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
180 void bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
181 void bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
182 int bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
183 int bt_devinquiry(char const *devname, time_t length, int num_rsp,
184 struct bt_devinquiry **ii);
185 char * bt_devremote_name(char const *devname, const bdaddr_t *remote,
186 time_t to, uint16_t clk_off,
187 uint8_t ps_rep_mode, uint8_t ps_mode);
188 int bt_devinfo (struct bt_devinfo *di);
189 int bt_devenum (bt_devenum_cb_t cb, void *arg);
190
191 static __inline char *
bt_devremote_name_gen(char const * btooth_devname,const bdaddr_t * remote)192 bt_devremote_name_gen(char const *btooth_devname, const bdaddr_t *remote)
193 {
194 return (bt_devremote_name(btooth_devname, remote, 0, 0x0000,
195 NG_HCI_SCAN_REP_MODE0, NG_HCI_MANDATORY_PAGE_SCAN_MODE));
196 }
197
198 /*
199 * bdaddr utility functions (from NetBSD)
200 */
201
202 static __inline int
bdaddr_same(const bdaddr_t * a,const bdaddr_t * b)203 bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
204 {
205 return (a->b[0] == b->b[0] && a->b[1] == b->b[1] &&
206 a->b[2] == b->b[2] && a->b[3] == b->b[3] &&
207 a->b[4] == b->b[4] && a->b[5] == b->b[5]);
208 }
209
210 static __inline int
bdaddr_any(const bdaddr_t * a)211 bdaddr_any(const bdaddr_t *a)
212 {
213 return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0 &&
214 a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
215 }
216
217 static __inline void
bdaddr_copy(bdaddr_t * d,const bdaddr_t * s)218 bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
219 {
220 d->b[0] = s->b[0];
221 d->b[1] = s->b[1];
222 d->b[2] = s->b[2];
223 d->b[3] = s->b[3];
224 d->b[4] = s->b[4];
225 d->b[5] = s->b[5];
226 }
227
228 __END_DECLS
229
230 #endif /* ndef _BLUETOOTH_H_ */
231
232