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 249