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gerrit-public.fairphone.software / fp2-dev / platform / system / bt / 41d4a266ceca77bb09ab1bf5c04c30d15f3ded3a / . / stack / include / rfcdefs.h
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The Android Open Source Project5738f832012-12-12 16:00:35 -0800[diff] [blame]1/******************************************************************************
2 *
3 * Copyright (C) 1999-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19/****************************************************************************
20 *
21 * This file contains definitions for the RFCOMM protocol
22 *
23 ****************************************************************************/
24
25#ifndef RFCDEFS_H
26#define RFCDEFS_H
27
28#define PORT_MAX_RFC_PORTS 31
29
30/*
31** If nothing is negotiated MTU should be 127
32*/
33#define RFCOMM_DEFAULT_MTU 127
34
35/*
36** Define used by RFCOMM TS frame types
37*/
38#define RFCOMM_SABME 0x2F
39#define RFCOMM_UA 0x63
40#define RFCOMM_DM 0x0F
41#define RFCOMM_DISC 0x43
42#define RFCOMM_UIH 0xEF
43
44/*
45** Defenitions for the TS control frames
46*/
47#define RFCOMM_CTRL_FRAME_LEN 3
48#define RFCOMM_MIN_OFFSET 5 /* ctrl 2 , len 1 or 2 bytes, credit 1 byte */
49#define RFCOMM_DATA_OVERHEAD (RFCOMM_MIN_OFFSET + 1) /* add 1 for checksum */
50
51#define RFCOMM_EA 1
52#define RFCOMM_EA_MASK 0x01
53#define RFCOMM_CR_MASK 0x02
54#define RFCOMM_SHIFT_CR 1
55#define RFCOMM_SHIFT_DLCI 2
56#define RFCOMM_SHIFT_DLCI2 6
57#define RFCOMM_PF 0x10
58#define RFCOMM_PF_MASK 0x10
59#define RFCOMM_PF_OFFSET 4
60#define RFCOMM_SHIFT_LENGTH1 1
61#define RFCOMM_SHIFT_LENGTH2 7
62#define RFCOMM_SHIFT_MX_CTRL_TYPE 2
63
64#define RFCOMM_INITIATOR_CMD 1
65#define RFCOMM_INITIATOR_RSP 0
66#define RFCOMM_RESPONDER_CMD 0
67#define RFCOMM_RESPONDER_RSP 1
68
69#define RFCOMM_PARSE_CTRL_FIELD(ea, cr, dlci, p_data) \
70{ \
71 ea = *p_data & RFCOMM_EA; \
72 cr = (*p_data & RFCOMM_CR_MASK) >> RFCOMM_SHIFT_CR; \
73 dlci = *p_data++ >> RFCOMM_SHIFT_DLCI; \
74 if (!ea) dlci += *p_data++ << RFCOMM_SHIFT_DLCI2; \
75}
76
77#define RFCOMM_FORMAT_CTRL_FIELD(p_data, ea, cr, dlci) \
78 *p_data++ = ea | cr | (dlci << RFCOMM_SHIFT_DLCI)
79
80#define RFCOMM_PARSE_TYPE_FIELD(type, pf, p_data) \
81{ \
82 type = *p_data & ~RFCOMM_PF_MASK; \
83 pf = (*p_data++ & RFCOMM_PF_MASK) >> RFCOMM_PF_OFFSET;\
84}
85
86#define RFCOMM_FORMAT_TYPE_FIELD(p_data, type, pf) \
87 *p_data++ = (type | (pf << RFCOMM_PF_OFFSET)) \
88{ \
89 type = *p_data & ~RFCOMM_PF_MASK; \
90 pf = (*p_data++ & RFCOMM_PF_MASK) >> RFCOMM_PF_OFFSET;\
91}
92
93#define RFCOMM_PARSE_LEN_FIELD(ea, length, p_data) \
94{ \
95 ea = (*p_data & RFCOMM_EA); \
96 length = (*p_data++ >> RFCOMM_SHIFT_LENGTH1); \
97 if (!ea) length += (*p_data++ << RFCOMM_SHIFT_LENGTH2); \
98}
99
100#define RFCOMM_FRAME_IS_CMD(initiator, cr) \
101 (( (initiator) && !(cr)) || (!(initiator) && (cr)))
102
103#define RFCOMM_FRAME_IS_RSP(initiator, cr) \
104 (( (initiator) && (cr)) || (!(initiator) && !(cr)))
105
106#define RFCOMM_CR(initiator, is_command) \
107 (( ( (initiator) && (is_command)) \
108 || (!(initiator) && !(is_command))) << 1)
109
110#define RFCOMM_I_CR(is_command) ((is_command) ? 0x02 : 0x00)
111
112#define RFCOMM_MAX_DLCI 61
113
114#define RFCOMM_VALID_DLCI(dlci) \
115 (((dlci) == 0) || (((dlci) >= 2) && ((dlci) <= RFCOMM_MAX_DLCI)))
116
117
118/* Port Negotiation (PN) */
119#define RFCOMM_PN_DLCI_MASK 0x3F
120
121#define RFCOMM_PN_FRAM_TYPE_UIH 0x00
122#define RFCOMM_PN_FRAME_TYPE_MASK 0x0F
123
124#define RFCOMM_PN_CONV_LAYER_MASK 0xF0
125#define RFCOMM_PN_CONV_LAYER_TYPE_1 0
126#define RFCOMM_PN_CONV_LAYER_CBFC_I 0xF0
127#define RFCOMM_PN_CONV_LAYER_CBFC_R 0xE0
128
129#define RFCOMM_PN_PRIORITY_MASK 0x3F
130#define RFCOMM_PN_PRIORITY_0 0
131
132#define RFCOMM_PN_K_MASK 0x07
133
134#define RFCOMM_T1_DSEC 0 /* None negotiable in RFCOMM */
135#define RFCOMM_N2 0 /* Number of retransmissions */
136#define RFCOMM_K 0 /* Window size */
137#define RFCOMM_K_MAX 7 /* Max value of K for credit based flow control */
138
139#define RFCOMM_MSC_FC 0x02 /* Flow control*/
140#define RFCOMM_MSC_RTC 0x04 /* Ready to communicate*/
141#define RFCOMM_MSC_RTR 0x08 /* Ready to receive*/
142#define RFCOMM_MSC_IC 0x40 /* Incomming call indicator*/
143#define RFCOMM_MSC_DV 0x80 /* Data Valid*/
144
145#define RFCOMM_MSC_SHIFT_BREAK 4
146#define RFCOMM_MSC_BREAK_MASK 0xF0
147#define RFCOMM_MSC_BREAK_PRESENT_MASK 0x02
148
149#define RFCOMM_BAUD_RATE_2400 0x00
150#define RFCOMM_BAUD_RATE_4800 0x01
151#define RFCOMM_BAUD_RATE_7200 0x02
152#define RFCOMM_BAUD_RATE_9600 0x03
153#define RFCOMM_BAUD_RATE_19200 0x04
154#define RFCOMM_BAUD_RATE_38400 0x05
155#define RFCOMM_BAUD_RATE_57600 0x06
156#define RFCOMM_BAUD_RATE_115200 0x07
157#define RFCOMM_BAUD_RATE_230400 0x08
158
159#define RFCOMM_5_BITS 0x00
160#define RFCOMM_6_BITS 0x01
161#define RFCOMM_7_BITS 0x02
162#define RFCOMM_8_BITS 0x03
163
164#define RFCOMM_RPN_BITS_MASK 0x03
165#define RFCOMM_RPN_BITS_SHIFT 0
166
167#define RFCOMM_ONESTOPBIT 0x00
168#define RFCOMM_ONE5STOPBITS 0x01
169
170#define RFCOMM_RPN_STOP_BITS_MASK 0x01
171#define RFCOMM_RPN_STOP_BITS_SHIFT 2
172
173#define RFCOMM_PARITY_NO 0x00
174#define RFCOMM_PARITY_YES 0x01
175#define RFCOMM_RPN_PARITY_MASK 0x01
176#define RFCOMM_RPN_PARITY_SHIFT 3
177
178#define RFCOMM_ODD_PARITY 0x00
179#define RFCOMM_EVEN_PARITY 0x01
180#define RFCOMM_MARK_PARITY 0x02
181#define RFCOMM_SPACE_PARITY 0x03
182
183#define RFCOMM_RPN_PARITY_TYPE_MASK 0x03
184#define RFCOMM_RPN_PARITY_TYPE_SHIFT 4
185
186#define RFCOMM_FC_OFF 0x00
187#define RFCOMM_FC_XONXOFF_ON_INPUT 0x01
188#define RFCOMM_FC_XONXOFF_ON_OUTPUT 0x02
189#define RFCOMM_FC_RTR_ON_INPUT 0x04
190#define RFCOMM_FC_RTR_ON_OUTPUT 0x08
191#define RFCOMM_FC_RTC_ON_INPUT 0x10
192#define RFCOMM_FC_RTC_ON_OUTPUT 0x20
193#define RFCOMM_FC_MASK 0x3F
194
195#define RFCOMM_RPN_PM_BIT_RATE 0x0001
196#define RFCOMM_RPN_PM_DATA_BITS 0x0002
197#define RFCOMM_RPN_PM_STOP_BITS 0x0004
198#define RFCOMM_RPN_PM_PARITY 0x0008
199#define RFCOMM_RPN_PM_PARITY_TYPE 0x0010
200#define RFCOMM_RPN_PM_XON_CHAR 0x0020
201#define RFCOMM_RPN_PM_XOFF_CHAR 0x0040
202#define RFCOMM_RPN_PM_XONXOFF_ON_INPUT 0x0100
203#define RFCOMM_RPN_PM_XONXOFF_ON_OUTPUT 0x0200
204#define RFCOMM_RPN_PM_RTR_ON_INPUT 0x0400
205#define RFCOMM_RPN_PM_RTR_ON_OUTPUT 0x0800
206#define RFCOMM_RPN_PM_RTC_ON_INPUT 0x1000
207#define RFCOMM_RPN_PM_RTC_ON_OUTPUT 0x2000
208#define RFCOMM_RPN_PM_MASK 0x3F7F
209
210#define RFCOMM_RLS_ERROR 0x01
211#define RFCOMM_RLS_OVERRUN 0x02
212#define RFCOMM_RLS_PARITY 0x04
213#define RFCOMM_RLS_FRAMING 0x08
214
215/* Multiplexor channel uses DLCI 0 */
216#define RFCOMM_MX_DLCI 0
217
218/*
219** Define RFCOMM Multiplexer message types
220*/
221#define RFCOMM_MX_PN 0x80
222#define RFCOMM_MX_PN_LEN 8
223
224#define RFCOMM_MX_CLD 0xC0
225#define RFCOMM_MX_CLD_LEN 0
226
227#define RFCOMM_MX_TEST 0x20
228
229#define RFCOMM_MX_FCON 0xA0
230#define RFCOMM_MX_FCON_LEN 0
231
232#define RFCOMM_MX_FCOFF 0x60
233#define RFCOMM_MX_FCOFF_LEN 0
234
235#define RFCOMM_MX_MSC 0xE0
236#define RFCOMM_MX_MSC_LEN_NO_BREAK 2
237#define RFCOMM_MX_MSC_LEN_WITH_BREAK 3
238
239#define RFCOMM_MX_NSC 0x10
240#define RFCOMM_MX_NSC_LEN 1
241
242#define RFCOMM_MX_RPN 0x90
243#define RFCOMM_MX_RPN_REQ_LEN 1
244#define RFCOMM_MX_RPN_LEN 8
245
246#define RFCOMM_MX_RLS 0x50
247#define RFCOMM_MX_RLS_LEN 2
248#endif