The Android Open Source Project | 5738f83 | 2012-12-12 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 |