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
71 struct hostent * bt_gethostbyname (char const *name);
72 struct hostent * bt_gethostbyaddr (char const *addr, int len, int type);
73 struct hostent * bt_gethostent (void);
74 void bt_sethostent (int stayopen);
75 void bt_endhostent (void);
76
77 struct protoent * bt_getprotobyname (char const *name);
78 struct protoent * bt_getprotobynumber (int proto);
79 struct protoent * bt_getprotoent (void);
80 void bt_setprotoent (int stayopen);
81 void bt_endprotoent (void);
82
83 char const * bt_ntoa (bdaddr_t const *ba, char *str);
84 int bt_aton (char const *str, bdaddr_t *ba);
85
86 /* bt_devXXXX() functions (inspired by NetBSD) */
87 int bt_devaddr (char const *devname, bdaddr_t *addr);
88 int 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
98 struct 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
138 struct 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
148 struct bt_devfilter {
149 bitstr_t bit_decl(packet_mask, 8);
150 bitstr_t bit_decl(event_mask, 256);
151 };
152
153 struct 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
163 typedef int (bt_devenum_cb_t)(int, struct bt_devinfo const *, void *);
164
165 int bt_devopen (char const *devname);
166 int bt_devclose(int s);
167 int bt_devsend (int s, uint16_t opcode, void *param, size_t plen);
168 ssize_t bt_devrecv (int s, void *buf, size_t size, time_t to);
169 int bt_devreq (int s, struct bt_devreq *r, time_t to);
170 int bt_devfilter(int s, struct bt_devfilter const *newp,
171 struct bt_devfilter *oldp);
172 void bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type);
173 void bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type);
174 int bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type);
175 void bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event);
176 void bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event);
177 int bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event);
178 int bt_devinquiry(char const *devname, time_t length, int num_rsp,
179 struct bt_devinquiry **ii);
180 int bt_devinfo (struct bt_devinfo *di);
181 int bt_devenum (bt_devenum_cb_t *cb, void *arg);
182
183 /*
184 * bdaddr utility functions (from NetBSD)
185 */
186
187 static __inline int
bdaddr_same(const bdaddr_t * a,const bdaddr_t * b)188 bdaddr_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
195 static __inline int
bdaddr_any(const bdaddr_t * a)196 bdaddr_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
202 static __inline void
bdaddr_copy(bdaddr_t * d,const bdaddr_t * s)203 bdaddr_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