341 lines
12 KiB
C
341 lines
12 KiB
C
/*
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* ng_btsocket_rfcomm.h
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*/
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/*-
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* Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: ng_btsocket_rfcomm.h,v 1.10 2003/03/29 22:27:42 max Exp $
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* $FreeBSD$
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*/
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#ifndef _NETGRAPH_BTSOCKET_RFCOMM_H_
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#define _NETGRAPH_BTSOCKET_RFCOMM_H_
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/*****************************************************************************
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*****************************************************************************
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** RFCOMM **
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*****************************************************************************
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*****************************************************************************/
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/* XXX FIXME this does not belong here */
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#define RFCOMM_DEFAULT_MTU 667
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#define RFCOMM_MAX_MTU 1024
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#define RFCOMM_DEFAULT_CREDITS 7
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#define RFCOMM_MAX_CREDITS 40
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/* RFCOMM frame types */
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#define RFCOMM_FRAME_SABM 0x2f
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#define RFCOMM_FRAME_DISC 0x43
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#define RFCOMM_FRAME_UA 0x63
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#define RFCOMM_FRAME_DM 0x0f
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#define RFCOMM_FRAME_UIH 0xef
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/* RFCOMM MCC commands */
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#define RFCOMM_MCC_TEST 0x08 /* Test */
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#define RFCOMM_MCC_FCON 0x28 /* Flow Control on */
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#define RFCOMM_MCC_FCOFF 0x18 /* Flow Control off */
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#define RFCOMM_MCC_MSC 0x38 /* Modem Status Command */
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#define RFCOMM_MCC_RPN 0x24 /* Remote Port Negotiation */
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#define RFCOMM_MCC_RLS 0x14 /* Remote Line Status */
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#define RFCOMM_MCC_PN 0x20 /* Port Negotiation */
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#define RFCOMM_MCC_NSC 0x04 /* Non Supported Command */
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/* RFCOMM modem signals */
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#define RFCOMM_MODEM_FC 0x02 /* Flow Control asserted */
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#define RFCOMM_MODEM_RTC 0x04 /* Ready To Communicate */
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#define RFCOMM_MODEM_RTR 0x08 /* Ready To Receive */
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#define RFCOMM_MODEM_IC 0x40 /* Incomming Call */
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#define RFCOMM_MODEM_DV 0x80 /* Data Valid */
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/* RPN parameters - baud rate */
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#define RFCOMM_RPN_BR_2400 0x0
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#define RFCOMM_RPN_BR_4800 0x1
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#define RFCOMM_RPN_BR_7200 0x2
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#define RFCOMM_RPN_BR_9600 0x3
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#define RFCOMM_RPN_BR_19200 0x4
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#define RFCOMM_RPN_BR_38400 0x5
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#define RFCOMM_RPN_BR_57600 0x6
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#define RFCOMM_RPN_BR_115200 0x7
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#define RFCOMM_RPN_BR_230400 0x8
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/* RPN parameters - data bits */
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#define RFCOMM_RPN_DATA_5 0x0
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#define RFCOMM_RPN_DATA_6 0x2
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#define RFCOMM_RPN_DATA_7 0x1
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#define RFCOMM_RPN_DATA_8 0x3
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/* RPN parameters - stop bit */
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#define RFCOMM_RPN_STOP_1 0
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#define RFCOMM_RPN_STOP_15 1
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/* RPN parameters - parity */
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#define RFCOMM_RPN_PARITY_NONE 0x0
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#define RFCOMM_RPN_PARITY_ODD 0x4
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#define RFCOMM_RPN_PARITY_EVEN 0x5
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#define RFCOMM_RPN_PARITY_MARK 0x6
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#define RFCOMM_RPN_PARITY_SPACE 0x7
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/* RPN parameters - flow control */
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#define RFCOMM_RPN_FLOW_NONE 0x00
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#define RFCOMM_RPN_XON_CHAR 0x11
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#define RFCOMM_RPN_XOFF_CHAR 0x13
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/* RPN parameters - mask */
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#define RFCOMM_RPN_PM_BITRATE 0x0001
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#define RFCOMM_RPN_PM_DATA 0x0002
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#define RFCOMM_RPN_PM_STOP 0x0004
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#define RFCOMM_RPN_PM_PARITY 0x0008
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#define RFCOMM_RPN_PM_PARITY_TYPE 0x0010
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#define RFCOMM_RPN_PM_XON 0x0020
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#define RFCOMM_RPN_PM_XOFF 0x0040
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#define RFCOMM_RPN_PM_FLOW 0x3F00
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#define RFCOMM_RPN_PM_ALL 0x3F7F
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/* RFCOMM frame header */
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struct rfcomm_frame_hdr
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{
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u_int8_t address;
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u_int8_t control;
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u_int8_t length; /* Actual size could be 2 bytes */
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} __attribute__ ((packed));
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/* RFCOMM command frame header */
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struct rfcomm_cmd_hdr
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{
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u_int8_t address;
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u_int8_t control;
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u_int8_t length;
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u_int8_t fcs;
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} __attribute__ ((packed));
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/* RFCOMM MCC command header */
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struct rfcomm_mcc_hdr
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{
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u_int8_t type;
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u_int8_t length; /* XXX FIXME Can actual size be 2 bytes?? */
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} __attribute__ ((packed));
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/* RFCOMM MSC command */
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struct rfcomm_mcc_msc
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{
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u_int8_t address;
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u_int8_t modem;
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} __attribute__ ((packed));
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/* RFCOMM RPN command */
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struct rfcomm_mcc_rpn
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{
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u_int8_t dlci;
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u_int8_t bit_rate;
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u_int8_t line_settings;
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u_int8_t flow_control;
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u_int8_t xon_char;
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u_int8_t xoff_char;
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u_int16_t param_mask;
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} __attribute__ ((packed));
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/* RFCOMM RLS command */
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struct rfcomm_mcc_rls
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{
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u_int8_t address;
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u_int8_t status;
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} __attribute__ ((packed));
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/* RFCOMM PN command */
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struct rfcomm_mcc_pn
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{
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u_int8_t dlci;
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u_int8_t flow_control;
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u_int8_t priority;
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u_int8_t ack_timer;
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u_int16_t mtu;
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u_int8_t max_retrans;
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u_int8_t credits;
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} __attribute__ ((packed));
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/* RFCOMM frame parsing macros */
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#define RFCOMM_DLCI(b) (((b) & 0xfc) >> 2)
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#define RFCOMM_CHANNEL(b) (((b) & 0xf8) >> 3)
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#define RFCOMM_DIRECTION(b) (((b) & 0x04) >> 2)
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#define RFCOMM_TYPE(b) (((b) & 0xef))
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#define RFCOMM_EA(b) (((b) & 0x01))
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#define RFCOMM_CR(b) (((b) & 0x02) >> 1)
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#define RFCOMM_PF(b) (((b) & 0x10) >> 4)
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#define RFCOMM_SRVCHANNEL(dlci) ((dlci) >> 1)
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#define RFCOMM_MKADDRESS(cr, dlci) \
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((((dlci) & 0x3f) << 2) | ((cr) << 1) | 0x01)
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#define RFCOMM_MKCONTROL(type, pf) ((((type) & 0xef) | ((pf) << 4)))
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#define RFCOMM_MKDLCI(dir, channel) ((((channel) & 0x1f) << 1) | (dir))
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#define RFCOMM_MKLEN8(len) (((len) << 1) | 1)
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#define RFCOMM_MKLEN16(len) ((len) << 1)
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/* RFCOMM MCC macros */
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#define RFCOMM_MCC_TYPE(b) (((b) & 0xfc) >> 2)
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#define RFCOMM_MCC_LENGTH(b) (((b) & 0xfe) >> 1)
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#define RFCOMM_MKMCC_TYPE(cr, type) ((((type) << 2) | ((cr) << 1) | 0x01))
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/* RPN macros */
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#define RFCOMM_RPN_DATA_BITS(line) ((line) & 0x3)
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#define RFCOMM_RPN_STOP_BITS(line) (((line) >> 2) & 0x1)
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#define RFCOMM_RPN_PARITY(line) (((line) >> 3) & 0x3)
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#define RFCOMM_MKRPN_LINE_SETTINGS(data, stop, parity) \
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(((data) & 0x3) | (((stop) & 0x1) << 2) | (((parity) & 0x3) << 3))
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/*****************************************************************************
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*****************************************************************************
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** SOCK_STREAM RFCOMM sockets **
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*****************************************************************************
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*****************************************************************************/
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#define NG_BTSOCKET_RFCOMM_SENDSPACE \
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(RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 2)
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#define NG_BTSOCKET_RFCOMM_RECVSPACE \
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(RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 2)
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/*
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* Bluetooth RFCOMM session. One L2CAP connection == one RFCOMM session
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*/
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struct ng_btsocket_rfcomm_pcb;
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struct ng_btsocket_rfcomm_session;
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struct ng_btsocket_rfcomm_session {
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struct socket *l2so; /* L2CAP socket */
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u_int16_t state; /* session state */
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#define NG_BTSOCKET_RFCOMM_SESSION_CLOSED 0
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#define NG_BTSOCKET_RFCOMM_SESSION_LISTENING 1
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#define NG_BTSOCKET_RFCOMM_SESSION_CONNECTING 2
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#define NG_BTSOCKET_RFCOMM_SESSION_CONNECTED 3
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#define NG_BTSOCKET_RFCOMM_SESSION_OPEN 4
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#define NG_BTSOCKET_RFCOMM_SESSION_DISCONNECTING 5
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u_int16_t flags; /* session flags */
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#define NG_BTSOCKET_RFCOMM_SESSION_INITIATOR (1 << 0) /* initiator */
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#define NG_BTSOCKET_RFCOMM_SESSION_LFC (1 << 1) /* local flow */
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#define NG_BTSOCKET_RFCOMM_SESSION_RFC (1 << 2) /* remote flow */
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#define INITIATOR(s) \
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(((s)->flags & NG_BTSOCKET_RFCOMM_SESSION_INITIATOR)? 1 : 0)
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u_int16_t mtu; /* default MTU */
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struct ng_bt_mbufq outq; /* outgoing queue */
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struct mtx session_mtx; /* session lock */
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LIST_HEAD(, ng_btsocket_rfcomm_pcb) dlcs; /* active DLC */
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LIST_ENTRY(ng_btsocket_rfcomm_session) next; /* link to next */
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};
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typedef struct ng_btsocket_rfcomm_session ng_btsocket_rfcomm_session_t;
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typedef struct ng_btsocket_rfcomm_session * ng_btsocket_rfcomm_session_p;
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/*
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* Bluetooth RFCOMM socket PCB (DLC)
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*/
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struct ng_btsocket_rfcomm_pcb {
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struct socket *so; /* RFCOMM socket */
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struct ng_btsocket_rfcomm_session *session; /* RFCOMM session */
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u_int16_t flags; /* DLC flags */
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#define NG_BTSOCKET_RFCOMM_DLC_TIMO (1 << 0) /* timeout pending */
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#define NG_BTSOCKET_RFCOMM_DLC_CFC (1 << 1) /* credit flow ctrl */
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#define NG_BTSOCKET_RFCOMM_DLC_TIMEDOUT (1 << 2) /* timeout happend */
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#define NG_BTSOCKET_RFCOMM_DLC_DETACHED (1 << 3) /* DLC detached */
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#define NG_BTSOCKET_RFCOMM_DLC_SENDING (1 << 4) /* send pending */
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u_int16_t state; /* DLC state */
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#define NG_BTSOCKET_RFCOMM_DLC_CLOSED 0
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#define NG_BTSOCKET_RFCOMM_DLC_W4_CONNECT 1
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#define NG_BTSOCKET_RFCOMM_DLC_CONFIGURING 2
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#define NG_BTSOCKET_RFCOMM_DLC_CONNECTING 3
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#define NG_BTSOCKET_RFCOMM_DLC_CONNECTED 4
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#define NG_BTSOCKET_RFCOMM_DLC_DISCONNECTING 5
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bdaddr_t src; /* source address */
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bdaddr_t dst; /* dest. address */
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u_int8_t channel; /* RFCOMM channel */
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u_int8_t dlci; /* RFCOMM DLCI */
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u_int8_t lmodem; /* local mdm signls */
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u_int8_t rmodem; /* remote -/- */
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u_int16_t mtu; /* MTU */
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int16_t rx_cred; /* RX credits */
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int16_t tx_cred; /* TX credits */
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struct mtx pcb_mtx; /* PCB lock */
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struct callout_handle timo; /* timeout */
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LIST_ENTRY(ng_btsocket_rfcomm_pcb) session_next;/* link to next */
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LIST_ENTRY(ng_btsocket_rfcomm_pcb) next; /* link to next */
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};
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typedef struct ng_btsocket_rfcomm_pcb ng_btsocket_rfcomm_pcb_t;
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typedef struct ng_btsocket_rfcomm_pcb * ng_btsocket_rfcomm_pcb_p;
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#define so2rfcomm_pcb(so) \
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((struct ng_btsocket_rfcomm_pcb *)((so)->so_pcb))
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/*
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* Bluetooth RFCOMM socket methods
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*/
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#ifdef _KERNEL
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void ng_btsocket_rfcomm_init (void);
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void ng_btsocket_rfcomm_abort (struct socket *);
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void ng_btsocket_rfcomm_close (struct socket *);
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int ng_btsocket_rfcomm_accept (struct socket *, struct sockaddr **);
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int ng_btsocket_rfcomm_attach (struct socket *, int, struct thread *);
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int ng_btsocket_rfcomm_bind (struct socket *, struct sockaddr *,
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struct thread *);
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int ng_btsocket_rfcomm_connect (struct socket *, struct sockaddr *,
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struct thread *);
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int ng_btsocket_rfcomm_control (struct socket *, u_long, caddr_t,
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struct ifnet *, struct thread *);
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int ng_btsocket_rfcomm_ctloutput (struct socket *, struct sockopt *);
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void ng_btsocket_rfcomm_detach (struct socket *);
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int ng_btsocket_rfcomm_disconnect (struct socket *);
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int ng_btsocket_rfcomm_listen (struct socket *, int, struct thread *);
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int ng_btsocket_rfcomm_peeraddr (struct socket *, struct sockaddr **);
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int ng_btsocket_rfcomm_send (struct socket *, int, struct mbuf *,
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struct sockaddr *, struct mbuf *,
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struct thread *);
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int ng_btsocket_rfcomm_sockaddr (struct socket *, struct sockaddr **);
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#endif /* _KERNEL */
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#endif /* _NETGRAPH_BTSOCKET_RFCOMM_H_ */
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