1 /*
2 *
3 * BlueZ - Bluetooth protocol stack for Linux
4 *
5 * Copyright (C) 2000-2001 Qualcomm Incorporated
6 * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
7 * Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
8 *
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25
26 #ifndef __BLUETOOTH_H
27 #define __BLUETOOTH_H
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #include <stdio.h>
34 #include <stdint.h>
35 #include <string.h>
36 #include <endian.h>
37 #include <byteswap.h>
38
39 #ifndef AF_BLUETOOTH
40 #define AF_BLUETOOTH 31
41 #define PF_BLUETOOTH AF_BLUETOOTH
42 #endif
43
44 #define BTPROTO_L2CAP 0
45 #define BTPROTO_HCI 1
46 #define BTPROTO_SCO 2
47 #define BTPROTO_RFCOMM 3
48 #define BTPROTO_BNEP 4
49 #define BTPROTO_CMTP 5
50 #define BTPROTO_HIDP 6
51 #define BTPROTO_AVDTP 7
52
53 #define SOL_HCI 0
54 #define SOL_L2CAP 6
55 #define SOL_SCO 17
56 #define SOL_RFCOMM 18
57
58 #ifndef SOL_BLUETOOTH
59 #define SOL_BLUETOOTH 274
60 #endif
61
62 #define BT_SECURITY 4
63 struct bt_security {
64 uint8_t level;
65 };
66 #define BT_SECURITY_SDP 0
67 #define BT_SECURITY_LOW 1
68 #define BT_SECURITY_MEDIUM 2
69 #define BT_SECURITY_HIGH 3
70
71 #define BT_DEFER_SETUP 7
72
73 /* Connection and socket states */
74 enum {
75 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
76 BT_OPEN,
77 BT_BOUND,
78 BT_LISTEN,
79 BT_CONNECT,
80 BT_CONNECT2,
81 BT_CONFIG,
82 BT_DISCONN,
83 BT_CLOSED
84 };
85
86 /* Byte order conversions */
87 #if __BYTE_ORDER == __LITTLE_ENDIAN
88 #define htobs(d) (d)
89 #define htobl(d) (d)
90 #define btohs(d) (d)
91 #define btohl(d) (d)
92 #elif __BYTE_ORDER == __BIG_ENDIAN
93 #define htobs(d) bswap_16(d)
94 #define htobl(d) bswap_32(d)
95 #define btohs(d) bswap_16(d)
96 #define btohl(d) bswap_32(d)
97 #else
98 #error "Unknown byte order"
99 #endif
100
101 /* Bluetooth unaligned access */
102 #define bt_get_unaligned(ptr) \
103 ({ \
104 struct __attribute__((packed)) { \
105 typeof(*(ptr)) __v; \
106 } *__p = (void *) (ptr); \
107 __p->__v; \
108 })
109
110 #define bt_put_unaligned(val, ptr) \
111 do { \
112 struct __attribute__((packed)) { \
113 typeof(*(ptr)) __v; \
114 } *__p = (void *) (ptr); \
115 __p->__v = (val); \
116 } while(0)
117
118 /* BD Address */
119 typedef struct {
120 uint8_t b[6];
121 } __attribute__((packed)) bdaddr_t;
122
123 #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
124 #define BDADDR_ALL (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
125 #define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
126
127 /* Copy, swap, convert BD Address */
bacmp(const bdaddr_t * ba1,const bdaddr_t * ba2)128 static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
129 {
130 return memcmp(ba1, ba2, sizeof(bdaddr_t));
131 }
bacpy(bdaddr_t * dst,const bdaddr_t * src)132 static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
133 {
134 memcpy(dst, src, sizeof(bdaddr_t));
135 }
136
137 void baswap(bdaddr_t *dst, const bdaddr_t *src);
138 bdaddr_t *strtoba(const char *str);
139 char *batostr(const bdaddr_t *ba);
140 int ba2str(const bdaddr_t *ba, char *str);
141 int str2ba(const char *str, bdaddr_t *ba);
142 int ba2oui(const bdaddr_t *ba, char *oui);
143 int bachk(const char *str);
144
145 int baprintf(const char *format, ...);
146 int bafprintf(FILE *stream, const char *format, ...);
147 int basprintf(char *str, const char *format, ...);
148 int basnprintf(char *str, size_t size, const char *format, ...);
149
150 void *bt_malloc(size_t size);
151 void bt_free(void *ptr);
152
153 int bt_error(uint16_t code);
154 char *bt_compidtostr(int id);
155
156 #ifdef __cplusplus
157 }
158 #endif
159
160 #endif /* __BLUETOOTH_H */
161