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Diffstat (limited to 'stack/include/rfcdefs.h')
| -rw-r--r-- | stack/include/rfcdefs.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/stack/include/rfcdefs.h b/stack/include/rfcdefs.h new file mode 100644 index 0000000..dcc37bc --- /dev/null +++ b/stack/include/rfcdefs.h @@ -0,0 +1,248 @@ +/****************************************************************************** + * + * 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 |