1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2002-2004 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
* CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
* COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
* SOFTWARE IS DISCLAIMED.
*
*
* $Id$
*/
#ifndef __L2CAP_H
#define __L2CAP_H
#ifdef __cplusplus
extern "C" {
#endif
/* L2CAP defaults */
#define L2CAP_DEFAULT_MTU 672
#define L2CAP_DEFAULT_FLUSH_TO 0xFFFF
#define L2CAP_CONN_TIMEOUT (HZ * 40)
/* L2CAP socket address */
struct sockaddr_l2 {
sa_family_t l2_family;
unsigned short l2_psm;
bdaddr_t l2_bdaddr;
};
/* Socket options */
#define L2CAP_OPTIONS 0x01
struct l2cap_options {
uint16_t omtu;
uint16_t imtu;
uint16_t flush_to;
};
#define L2CAP_CONNINFO 0x02
struct l2cap_conninfo {
uint16_t hci_handle;
};
#define L2CAP_LM 0x03
#define L2CAP_LM_MASTER 0x0001
#define L2CAP_LM_AUTH 0x0002
#define L2CAP_LM_ENCRYPT 0x0004
#define L2CAP_LM_TRUSTED 0x0008
#define L2CAP_LM_RELIABLE 0x0010
#define L2CAP_QOS 0x04
struct l2cap_qos {
uint16_t service_type;
uint32_t token_rate;
uint32_t token_bucket_size;
uint32_t peak_bandwidth;
uint32_t latency;
uint32_t delay_variation;
};
#define L2CAP_SERV_NO_TRAFFIC 0x00
#define L2CAP_SERV_BEST_EFFORT 0x01
#define L2CAP_SERV_GUARANTEED 0x02
/* L2CAP command codes */
#define L2CAP_COMMAND_REJ 0x01
#define L2CAP_CONN_REQ 0x02
#define L2CAP_CONN_RSP 0x03
#define L2CAP_CONF_REQ 0x04
#define L2CAP_CONF_RSP 0x05
#define L2CAP_DISCONN_REQ 0x06
#define L2CAP_DISCONN_RSP 0x07
#define L2CAP_ECHO_REQ 0x08
#define L2CAP_ECHO_RSP 0x09
#define L2CAP_INFO_REQ 0x0a
#define L2CAP_INFO_RSP 0x0b
/* L2CAP structures */
typedef struct {
uint16_t len;
uint16_t cid;
} __attribute__ ((packed)) l2cap_hdr;
#define L2CAP_HDR_SIZE 4
typedef struct {
uint8_t code;
uint8_t ident;
uint16_t len;
} __attribute__ ((packed)) l2cap_cmd_hdr;
#define L2CAP_CMD_HDR_SIZE 4
typedef struct {
uint16_t reason;
} __attribute__ ((packed)) l2cap_cmd_rej;
#define L2CAP_CMD_REJ_SIZE 2
typedef struct {
uint16_t psm;
uint16_t scid;
} __attribute__ ((packed)) l2cap_conn_req;
#define L2CAP_CONN_REQ_SIZE 4
typedef struct {
uint16_t dcid;
uint16_t scid;
uint16_t result;
uint16_t status;
} __attribute__ ((packed)) l2cap_conn_rsp;
#define L2CAP_CONN_RSP_SIZE 8
/* connect result */
#define L2CAP_CR_SUCCESS 0x0000
#define L2CAP_CR_PEND 0x0001
#define L2CAP_CR_BAD_PSM 0x0002
#define L2CAP_CR_SEC_BLOCK 0x0003
#define L2CAP_CR_NO_MEM 0x0004
/* connect status */
#define L2CAP_CS_NO_INFO 0x0000
#define L2CAP_CS_AUTHEN_PEND 0x0001
#define L2CAP_CS_AUTHOR_PEND 0x0002
typedef struct {
uint16_t dcid;
uint16_t flags;
uint8_t data[0];
} __attribute__ ((packed)) l2cap_conf_req;
#define L2CAP_CONF_REQ_SIZE 4
typedef struct {
uint16_t scid;
uint16_t flags;
uint16_t result;
uint8_t data[0];
} __attribute__ ((packed)) l2cap_conf_rsp;
#define L2CAP_CONF_RSP_SIZE 6
#define L2CAP_CONF_SUCCESS 0x00
#define L2CAP_CONF_UNACCEPT 0x01
typedef struct {
uint8_t type;
uint8_t len;
uint8_t val[0];
} __attribute__ ((packed)) l2cap_conf_opt;
#define L2CAP_CONF_OPT_SIZE 2
#define L2CAP_CONF_MTU 0x01
#define L2CAP_CONF_FLUSH_TO 0x02
#define L2CAP_CONF_QOS 0x03
#define L2CAP_CONF_MAX_SIZE 22
typedef struct {
uint16_t dcid;
uint16_t scid;
} __attribute__ ((packed)) l2cap_disconn_req;
#define L2CAP_DISCONN_REQ_SIZE 4
typedef struct {
uint16_t dcid;
uint16_t scid;
} __attribute__ ((packed)) l2cap_disconn_rsp;
#define L2CAP_DISCONN_RSP_SIZE 4
typedef struct {
uint16_t type;
uint8_t data[0];
} __attribute__ ((packed)) l2cap_info_req;
#define L2CAP_INFO_REQ_SIZE 2
typedef struct {
uint16_t type;
uint16_t result;
uint8_t data[0];
} __attribute__ ((packed)) l2cap_info_rsp;
#define L2CAP_INFO_RSP_SIZE 4
#ifdef __cplusplus
}
#endif
#endif /* __L2CAP_H */
|
