1 /* $NetBSD: bluetooth.h,v 1.12 2014/05/18 14:46:16 rmind Exp $ */
2
3 /*-
4 * Copyright (c) 2005 Iain Hibbert.
5 * Copyright (c) 2006 Itronix Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of Itronix Inc. may not be used to endorse
17 * or promote products derived from this software without specific
18 * prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _NETBT_BLUETOOTH_H_
34 #define _NETBT_BLUETOOTH_H_
35
36 #include <sys/socket.h>
37 #include <sys/types.h>
38
39 /*
40 * Bluetooth Address Family Protocol Numbers
41 */
42 #define BTPROTO_HCI 1
43 #define BTPROTO_L2CAP 2
44 #define BTPROTO_RFCOMM 3
45 #define BTPROTO_SCO 4
46
47 /* All sizes are in bytes */
48 #define BLUETOOTH_BDADDR_SIZE 6
49
50 /*
51 * Bluetooth device address
52 */
53 typedef struct {
54 uint8_t b[BLUETOOTH_BDADDR_SIZE];
55 } __packed bdaddr_t;
56
57 /*
58 * bdaddr utility functions
59 */
60 static __inline int
bdaddr_same(const bdaddr_t * a,const bdaddr_t * b)61 bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
62 {
63
64 return (a->b[0] == b->b[0] && a->b[1] == b->b[1]
65 && a->b[2] == b->b[2] && a->b[3] == b->b[3]
66 && a->b[4] == b->b[4] && a->b[5] == b->b[5]);
67 }
68
69 static __inline int
bdaddr_any(const bdaddr_t * a)70 bdaddr_any(const bdaddr_t *a)
71 {
72
73 return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0
74 && a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
75 }
76
77 static __inline void
bdaddr_copy(bdaddr_t * d,const bdaddr_t * s)78 bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
79 {
80
81 d->b[0] = s->b[0];
82 d->b[1] = s->b[1];
83 d->b[2] = s->b[2];
84 d->b[3] = s->b[3];
85 d->b[4] = s->b[4];
86 d->b[5] = s->b[5];
87 }
88
89 /*
90 * Socket address used by Bluetooth protocols
91 */
92 struct sockaddr_bt {
93 uint8_t bt_len;
94 sa_family_t bt_family;
95 bdaddr_t bt_bdaddr;
96 uint16_t bt_psm;
97 uint8_t bt_channel;
98 uint8_t bt_zero[5];
99 };
100
101 /* Note: this is actually 6 bytes including terminator */
102 #define BDADDR_ANY ((const bdaddr_t *) "\000\000\000\000\000")
103
104 #ifdef _KERNEL
105
106 #include <sys/protosw.h>
107
108 #include <sys/mallocvar.h>
109 MALLOC_DECLARE(M_BLUETOOTH);
110
111 /*
112 * Bluetooth Protocol API callback methods
113 */
114 struct mbuf;
115 struct btproto {
116 void (*connecting)(void *);
117 void (*connected)(void *);
118 void (*disconnected)(void *, int);
119 void *(*newconn)(void *, struct sockaddr_bt *, struct sockaddr_bt *);
120 void (*complete)(void *, int);
121 void (*linkmode)(void *, int);
122 void (*input)(void *, struct mbuf *);
123 };
124
125 extern const struct pr_usrreqs hci_usrreqs;
126 extern const struct pr_usrreqs sco_usrreqs;
127 extern const struct pr_usrreqs l2cap_usrreqs;
128 extern const struct pr_usrreqs rfcomm_usrreqs;
129
130 extern kmutex_t *bt_lock;
131
132 /*
133 * Debugging stuff
134 */
135 #ifdef BLUETOOTH_DEBUG
136 extern int bluetooth_debug;
137 # define DPRINTF(...) do { \
138 if (bluetooth_debug) { \
139 printf("%s: ", __func__); \
140 printf(__VA_ARGS__); \
141 } \
142 } while (/* CONSTCOND */0)
143
144 # define DPRINTFN(n, ...) do { \
145 if (bluetooth_debug > (n)) { \
146 printf("%s: ", __func__); \
147 printf(__VA_ARGS__); \
148 } \
149 } while (/* CONSTCOND */0)
150
151 # define UNKNOWN(value) \
152 printf("%s: %s = %d unknown!\n", __func__, #value, (value));
153 #else
154 # define DPRINTF(...) ((void)0)
155 # define DPRINTFN(...) ((void)0)
156 # define UNKNOWN(x) ((void)0)
157 #endif /* BLUETOOTH_DEBUG */
158
159 #endif /* _KERNEL */
160
161 #endif /* _NETBT_BLUETOOTH_H_ */
162