| /****************************************************************************** |
| * |
| * Copyright (C) 1999-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /**************************************************************************** |
| * |
| * This file contains definitions for the RFCOMM protocol |
| * |
| ****************************************************************************/ |
| |
| #ifndef RFCDEFS_H |
| #define RFCDEFS_H |
| |
| #define PORT_MAX_RFC_PORTS 31 |
| |
| /* |
| * If nothing is negotiated MTU should be 127 |
| */ |
| #define RFCOMM_DEFAULT_MTU 127 |
| |
| /* |
| * Define used by RFCOMM TS frame types |
| */ |
| #define RFCOMM_SABME 0x2F |
| #define RFCOMM_UA 0x63 |
| #define RFCOMM_DM 0x0F |
| #define RFCOMM_DISC 0x43 |
| #define RFCOMM_UIH 0xEF |
| |
| /* |
| * Defenitions for the TS control frames |
| */ |
| #define RFCOMM_CTRL_FRAME_LEN 3 |
| #define RFCOMM_MIN_OFFSET 5 /* ctrl 2 , len 1 or 2 bytes, credit 1 byte */ |
| #define RFCOMM_DATA_OVERHEAD (RFCOMM_MIN_OFFSET + 1) /* add 1 for checksum */ |
| |
| #define RFCOMM_EA 1 |
| #define RFCOMM_EA_MASK 0x01 |
| #define RFCOMM_CR_MASK 0x02 |
| #define RFCOMM_SHIFT_CR 1 |
| #define RFCOMM_SHIFT_DLCI 2 |
| #define RFCOMM_SHIFT_DLCI2 6 |
| #define RFCOMM_PF 0x10 |
| #define RFCOMM_PF_MASK 0x10 |
| #define RFCOMM_PF_OFFSET 4 |
| #define RFCOMM_SHIFT_LENGTH1 1 |
| #define RFCOMM_SHIFT_LENGTH2 7 |
| #define RFCOMM_SHIFT_MX_CTRL_TYPE 2 |
| |
| #define RFCOMM_INITIATOR_CMD 1 |
| #define RFCOMM_INITIATOR_RSP 0 |
| #define RFCOMM_RESPONDER_CMD 0 |
| #define RFCOMM_RESPONDER_RSP 1 |
| |
| #define RFCOMM_PARSE_CTRL_FIELD(ea, cr, dlci, p_data) \ |
| { \ |
| (ea) = *(p_data)&RFCOMM_EA; \ |
| (cr) = (*(p_data)&RFCOMM_CR_MASK) >> RFCOMM_SHIFT_CR; \ |
| (dlci) = *(p_data)++ >> RFCOMM_SHIFT_DLCI; \ |
| if (!(ea)) (dlci) += *(p_data)++ << RFCOMM_SHIFT_DLCI2; \ |
| } |
| |
| #define RFCOMM_FORMAT_CTRL_FIELD(p_data, ea, cr, dlci) \ |
| (*(p_data)++ = (ea) | (cr) | ((dlci) << RFCOMM_SHIFT_DLCI)) |
| |
| #define RFCOMM_PARSE_TYPE_FIELD(type, pf, p_data) \ |
| { \ |
| (type) = *(p_data) & ~RFCOMM_PF_MASK; \ |
| (pf) = (*(p_data)++ & RFCOMM_PF_MASK) >> RFCOMM_PF_OFFSET; \ |
| } |
| |
| #define RFCOMM_FORMAT_TYPE_FIELD(p_data, type, pf) \ |
| *(p_data)++ = ((type) | ((pf) << RFCOMM_PF_OFFSET)) { \ |
| (type) = *(p_data) & ~RFCOMM_PF_MASK; \ |
| (pf) = (*(p_data)++ & RFCOMM_PF_MASK) >> RFCOMM_PF_OFFSET; \ |
| } |
| |
| #define RFCOMM_PARSE_LEN_FIELD(ea, length, p_data) \ |
| { \ |
| (ea) = (*(p_data)&RFCOMM_EA); \ |
| (length) = (*(p_data)++ >> RFCOMM_SHIFT_LENGTH1); \ |
| if (!(ea)) (length) += (*(p_data)++ << RFCOMM_SHIFT_LENGTH2); \ |
| } |
| |
| #define RFCOMM_FRAME_IS_CMD(initiator, cr) \ |
| (((initiator) && !(cr)) || (!(initiator) && (cr))) |
| |
| #define RFCOMM_FRAME_IS_RSP(initiator, cr) \ |
| (((initiator) && (cr)) || (!(initiator) && !(cr))) |
| |
| #define RFCOMM_CR(initiator, is_command) \ |
| ((((initiator) && (is_command)) || (!(initiator) && !(is_command))) << 1) |
| |
| #define RFCOMM_I_CR(is_command) ((is_command) ? 0x02 : 0x00) |
| |
| #define RFCOMM_MAX_DLCI 61 |
| |
| #define RFCOMM_VALID_DLCI(dlci) \ |
| (((dlci) == 0) || (((dlci) >= 2) && ((dlci) <= RFCOMM_MAX_DLCI))) |
| |
| /* Port Negotiation (PN) */ |
| #define RFCOMM_PN_DLCI_MASK 0x3F |
| |
| #define RFCOMM_PN_FRAM_TYPE_UIH 0x00 |
| #define RFCOMM_PN_FRAME_TYPE_MASK 0x0F |
| |
| #define RFCOMM_PN_CONV_LAYER_MASK 0xF0 |
| #define RFCOMM_PN_CONV_LAYER_TYPE_1 0 |
| #define RFCOMM_PN_CONV_LAYER_CBFC_I 0xF0 |
| #define RFCOMM_PN_CONV_LAYER_CBFC_R 0xE0 |
| |
| #define RFCOMM_PN_PRIORITY_MASK 0x3F |
| #define RFCOMM_PN_PRIORITY_0 0 |
| |
| #define RFCOMM_PN_K_MASK 0x07 |
| |
| #define RFCOMM_T1_DSEC 0 /* None negotiable in RFCOMM */ |
| #define RFCOMM_N2 0 /* Number of retransmissions */ |
| #define RFCOMM_K 0 /* Window size */ |
| #define RFCOMM_K_MAX 7 /* Max value of K for credit based flow control */ |
| |
| #define RFCOMM_MSC_FC 0x02 /* Flow control*/ |
| #define RFCOMM_MSC_RTC 0x04 /* Ready to communicate*/ |
| #define RFCOMM_MSC_RTR 0x08 /* Ready to receive*/ |
| #define RFCOMM_MSC_IC 0x40 /* Incomming call indicator*/ |
| #define RFCOMM_MSC_DV 0x80 /* Data Valid*/ |
| |
| #define RFCOMM_MSC_SHIFT_BREAK 4 |
| #define RFCOMM_MSC_BREAK_MASK 0xF0 |
| #define RFCOMM_MSC_BREAK_PRESENT_MASK 0x02 |
| |
| #define RFCOMM_BAUD_RATE_2400 0x00 |
| #define RFCOMM_BAUD_RATE_4800 0x01 |
| #define RFCOMM_BAUD_RATE_7200 0x02 |
| #define RFCOMM_BAUD_RATE_9600 0x03 |
| #define RFCOMM_BAUD_RATE_19200 0x04 |
| #define RFCOMM_BAUD_RATE_38400 0x05 |
| #define RFCOMM_BAUD_RATE_57600 0x06 |
| #define RFCOMM_BAUD_RATE_115200 0x07 |
| #define RFCOMM_BAUD_RATE_230400 0x08 |
| |
| #define RFCOMM_5_BITS 0x00 |
| #define RFCOMM_6_BITS 0x01 |
| #define RFCOMM_7_BITS 0x02 |
| #define RFCOMM_8_BITS 0x03 |
| |
| #define RFCOMM_RPN_BITS_MASK 0x03 |
| #define RFCOMM_RPN_BITS_SHIFT 0 |
| |
| #define RFCOMM_ONESTOPBIT 0x00 |
| #define RFCOMM_ONE5STOPBITS 0x01 |
| |
| #define RFCOMM_RPN_STOP_BITS_MASK 0x01 |
| #define RFCOMM_RPN_STOP_BITS_SHIFT 2 |
| |
| #define RFCOMM_PARITY_NO 0x00 |
| #define RFCOMM_PARITY_YES 0x01 |
| #define RFCOMM_RPN_PARITY_MASK 0x01 |
| #define RFCOMM_RPN_PARITY_SHIFT 3 |
| |
| #define RFCOMM_ODD_PARITY 0x00 |
| #define RFCOMM_EVEN_PARITY 0x01 |
| #define RFCOMM_MARK_PARITY 0x02 |
| #define RFCOMM_SPACE_PARITY 0x03 |
| |
| #define RFCOMM_RPN_PARITY_TYPE_MASK 0x03 |
| #define RFCOMM_RPN_PARITY_TYPE_SHIFT 4 |
| |
| #define RFCOMM_FC_OFF 0x00 |
| #define RFCOMM_FC_XONXOFF_ON_INPUT 0x01 |
| #define RFCOMM_FC_XONXOFF_ON_OUTPUT 0x02 |
| #define RFCOMM_FC_RTR_ON_INPUT 0x04 |
| #define RFCOMM_FC_RTR_ON_OUTPUT 0x08 |
| #define RFCOMM_FC_RTC_ON_INPUT 0x10 |
| #define RFCOMM_FC_RTC_ON_OUTPUT 0x20 |
| #define RFCOMM_FC_MASK 0x3F |
| |
| #define RFCOMM_RPN_PM_BIT_RATE 0x0001 |
| #define RFCOMM_RPN_PM_DATA_BITS 0x0002 |
| #define RFCOMM_RPN_PM_STOP_BITS 0x0004 |
| #define RFCOMM_RPN_PM_PARITY 0x0008 |
| #define RFCOMM_RPN_PM_PARITY_TYPE 0x0010 |
| #define RFCOMM_RPN_PM_XON_CHAR 0x0020 |
| #define RFCOMM_RPN_PM_XOFF_CHAR 0x0040 |
| #define RFCOMM_RPN_PM_XONXOFF_ON_INPUT 0x0100 |
| #define RFCOMM_RPN_PM_XONXOFF_ON_OUTPUT 0x0200 |
| #define RFCOMM_RPN_PM_RTR_ON_INPUT 0x0400 |
| #define RFCOMM_RPN_PM_RTR_ON_OUTPUT 0x0800 |
| #define RFCOMM_RPN_PM_RTC_ON_INPUT 0x1000 |
| #define RFCOMM_RPN_PM_RTC_ON_OUTPUT 0x2000 |
| #define RFCOMM_RPN_PM_MASK 0x3F7F |
| |
| #define RFCOMM_RLS_ERROR 0x01 |
| #define RFCOMM_RLS_OVERRUN 0x02 |
| #define RFCOMM_RLS_PARITY 0x04 |
| #define RFCOMM_RLS_FRAMING 0x08 |
| |
| /* Multiplexor channel uses DLCI 0 */ |
| #define RFCOMM_MX_DLCI 0 |
| |
| /* |
| * Define RFCOMM Multiplexer message types |
| */ |
| #define RFCOMM_MX_PN 0x80 |
| #define RFCOMM_MX_PN_LEN 8 |
| |
| #define RFCOMM_MX_CLD 0xC0 |
| #define RFCOMM_MX_CLD_LEN 0 |
| |
| #define RFCOMM_MX_TEST 0x20 |
| |
| #define RFCOMM_MX_FCON 0xA0 |
| #define RFCOMM_MX_FCON_LEN 0 |
| |
| #define RFCOMM_MX_FCOFF 0x60 |
| #define RFCOMM_MX_FCOFF_LEN 0 |
| |
| #define RFCOMM_MX_MSC 0xE0 |
| #define RFCOMM_MX_MSC_LEN_NO_BREAK 2 |
| #define RFCOMM_MX_MSC_LEN_WITH_BREAK 3 |
| |
| #define RFCOMM_MX_NSC 0x10 |
| #define RFCOMM_MX_NSC_LEN 1 |
| |
| #define RFCOMM_MX_RPN 0x90 |
| #define RFCOMM_MX_RPN_REQ_LEN 1 |
| #define RFCOMM_MX_RPN_LEN 8 |
| |
| #define RFCOMM_MX_RLS 0x50 |
| #define RFCOMM_MX_RLS_LEN 2 |
| #endif |
