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/*
* ng_btsocket_rfcomm.h
*/
/*-
* Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ng_btsocket_rfcomm.h,v 1.10 2003/03/29 22:27:42 max Exp $
* $FreeBSD: release/9.1.0/sys/netgraph/bluetooth/include/ng_btsocket_rfcomm.h 197083 2009-09-10 23:30:13Z emax $
*/
#ifndef _NETGRAPH_BTSOCKET_RFCOMM_H_
#define _NETGRAPH_BTSOCKET_RFCOMM_H_
/*****************************************************************************
*****************************************************************************
** RFCOMM **
*****************************************************************************
*****************************************************************************/
/* XXX FIXME this does not belong here */
#define RFCOMM_DEFAULT_MTU 667
#define RFCOMM_MAX_MTU 1024
#define RFCOMM_DEFAULT_CREDITS 7
#define RFCOMM_MAX_CREDITS 40
/* RFCOMM frame types */
#define RFCOMM_FRAME_SABM 0x2f
#define RFCOMM_FRAME_DISC 0x43
#define RFCOMM_FRAME_UA 0x63
#define RFCOMM_FRAME_DM 0x0f
#define RFCOMM_FRAME_UIH 0xef
/* RFCOMM MCC commands */
#define RFCOMM_MCC_TEST 0x08 /* Test */
#define RFCOMM_MCC_FCON 0x28 /* Flow Control on */
#define RFCOMM_MCC_FCOFF 0x18 /* Flow Control off */
#define RFCOMM_MCC_MSC 0x38 /* Modem Status Command */
#define RFCOMM_MCC_RPN 0x24 /* Remote Port Negotiation */
#define RFCOMM_MCC_RLS 0x14 /* Remote Line Status */
#define RFCOMM_MCC_PN 0x20 /* Port Negotiation */
#define RFCOMM_MCC_NSC 0x04 /* Non Supported Command */
/* RFCOMM modem signals */
#define RFCOMM_MODEM_FC 0x02 /* Flow Control asserted */
#define RFCOMM_MODEM_RTC 0x04 /* Ready To Communicate */
#define RFCOMM_MODEM_RTR 0x08 /* Ready To Receive */
#define RFCOMM_MODEM_IC 0x40 /* Incomming Call */
#define RFCOMM_MODEM_DV 0x80 /* Data Valid */
/* RPN parameters - baud rate */
#define RFCOMM_RPN_BR_2400 0x0
#define RFCOMM_RPN_BR_4800 0x1
#define RFCOMM_RPN_BR_7200 0x2
#define RFCOMM_RPN_BR_9600 0x3
#define RFCOMM_RPN_BR_19200 0x4
#define RFCOMM_RPN_BR_38400 0x5
#define RFCOMM_RPN_BR_57600 0x6
#define RFCOMM_RPN_BR_115200 0x7
#define RFCOMM_RPN_BR_230400 0x8
/* RPN parameters - data bits */
#define RFCOMM_RPN_DATA_5 0x0
#define RFCOMM_RPN_DATA_6 0x2
#define RFCOMM_RPN_DATA_7 0x1
#define RFCOMM_RPN_DATA_8 0x3
/* RPN parameters - stop bit */
#define RFCOMM_RPN_STOP_1 0
#define RFCOMM_RPN_STOP_15 1
/* RPN parameters - parity */
#define RFCOMM_RPN_PARITY_NONE 0x0
#define RFCOMM_RPN_PARITY_ODD 0x4
#define RFCOMM_RPN_PARITY_EVEN 0x5
#define RFCOMM_RPN_PARITY_MARK 0x6
#define RFCOMM_RPN_PARITY_SPACE 0x7
/* RPN parameters - flow control */
#define RFCOMM_RPN_FLOW_NONE 0x00
#define RFCOMM_RPN_XON_CHAR 0x11
#define RFCOMM_RPN_XOFF_CHAR 0x13
/* RPN parameters - mask */
#define RFCOMM_RPN_PM_BITRATE 0x0001
#define RFCOMM_RPN_PM_DATA 0x0002
#define RFCOMM_RPN_PM_STOP 0x0004
#define RFCOMM_RPN_PM_PARITY 0x0008
#define RFCOMM_RPN_PM_PARITY_TYPE 0x0010
#define RFCOMM_RPN_PM_XON 0x0020
#define RFCOMM_RPN_PM_XOFF 0x0040
#define RFCOMM_RPN_PM_FLOW 0x3F00
#define RFCOMM_RPN_PM_ALL 0x3F7F
/* RFCOMM frame header */
struct rfcomm_frame_hdr
{
u_int8_t address;
u_int8_t control;
u_int8_t length; /* Actual size could be 2 bytes */
} __attribute__ ((packed));
/* RFCOMM command frame header */
struct rfcomm_cmd_hdr
{
u_int8_t address;
u_int8_t control;
u_int8_t length;
u_int8_t fcs;
} __attribute__ ((packed));
/* RFCOMM MCC command header */
struct rfcomm_mcc_hdr
{
u_int8_t type;
u_int8_t length; /* XXX FIXME Can actual size be 2 bytes?? */
} __attribute__ ((packed));
/* RFCOMM MSC command */
struct rfcomm_mcc_msc
{
u_int8_t address;
u_int8_t modem;
} __attribute__ ((packed));
/* RFCOMM RPN command */
struct rfcomm_mcc_rpn
{
u_int8_t dlci;
u_int8_t bit_rate;
u_int8_t line_settings;
u_int8_t flow_control;
u_int8_t xon_char;
u_int8_t xoff_char;
u_int16_t param_mask;
} __attribute__ ((packed));
/* RFCOMM RLS command */
struct rfcomm_mcc_rls
{
u_int8_t address;
u_int8_t status;
} __attribute__ ((packed));
/* RFCOMM PN command */
struct rfcomm_mcc_pn
{
u_int8_t dlci;
u_int8_t flow_control;
u_int8_t priority;
u_int8_t ack_timer;
u_int16_t mtu;
u_int8_t max_retrans;
u_int8_t credits;
} __attribute__ ((packed));
/* RFCOMM frame parsing macros */
#define RFCOMM_DLCI(b) (((b) & 0xfc) >> 2)
#define RFCOMM_CHANNEL(b) (((b) & 0xf8) >> 3)
#define RFCOMM_DIRECTION(b) (((b) & 0x04) >> 2)
#define RFCOMM_TYPE(b) (((b) & 0xef))
#define RFCOMM_EA(b) (((b) & 0x01))
#define RFCOMM_CR(b) (((b) & 0x02) >> 1)
#define RFCOMM_PF(b) (((b) & 0x10) >> 4)
#define RFCOMM_SRVCHANNEL(dlci) ((dlci) >> 1)
#define RFCOMM_MKADDRESS(cr, dlci) \
((((dlci) & 0x3f) << 2) | ((cr) << 1) | 0x01)
#define RFCOMM_MKCONTROL(type, pf) ((((type) & 0xef) | ((pf) << 4)))
#define RFCOMM_MKDLCI(dir, channel) ((((channel) & 0x1f) << 1) | (dir))
#define RFCOMM_MKLEN8(len) (((len) << 1) | 1)
#define RFCOMM_MKLEN16(len) ((len) << 1)
/* RFCOMM MCC macros */
#define RFCOMM_MCC_TYPE(b) (((b) & 0xfc) >> 2)
#define RFCOMM_MCC_LENGTH(b) (((b) & 0xfe) >> 1)
#define RFCOMM_MKMCC_TYPE(cr, type) ((((type) << 2) | ((cr) << 1) | 0x01))
/* RPN macros */
#define RFCOMM_RPN_DATA_BITS(line) ((line) & 0x3)
#define RFCOMM_RPN_STOP_BITS(line) (((line) >> 2) & 0x1)
#define RFCOMM_RPN_PARITY(line) (((line) >> 3) & 0x3)
#define RFCOMM_MKRPN_LINE_SETTINGS(data, stop, parity) \
(((data) & 0x3) | (((stop) & 0x1) << 2) | (((parity) & 0x3) << 3))
/*****************************************************************************
*****************************************************************************
** SOCK_STREAM RFCOMM sockets **
*****************************************************************************
*****************************************************************************/
#define NG_BTSOCKET_RFCOMM_SENDSPACE \
(RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 2)
#define NG_BTSOCKET_RFCOMM_RECVSPACE \
(RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 2)
/*
* Bluetooth RFCOMM session. One L2CAP connection == one RFCOMM session
*/
struct ng_btsocket_rfcomm_pcb;
struct ng_btsocket_rfcomm_session;
struct ng_btsocket_rfcomm_session {
struct socket *l2so; /* L2CAP socket */
u_int16_t state; /* session state */
#define NG_BTSOCKET_RFCOMM_SESSION_CLOSED 0
#define NG_BTSOCKET_RFCOMM_SESSION_LISTENING 1
#define NG_BTSOCKET_RFCOMM_SESSION_CONNECTING 2
#define NG_BTSOCKET_RFCOMM_SESSION_CONNECTED 3
#define NG_BTSOCKET_RFCOMM_SESSION_OPEN 4
#define NG_BTSOCKET_RFCOMM_SESSION_DISCONNECTING 5
u_int16_t flags; /* session flags */
#define NG_BTSOCKET_RFCOMM_SESSION_INITIATOR (1 << 0) /* initiator */
#define NG_BTSOCKET_RFCOMM_SESSION_LFC (1 << 1) /* local flow */
#define NG_BTSOCKET_RFCOMM_SESSION_RFC (1 << 2) /* remote flow */
#define INITIATOR(s) \
(((s)->flags & NG_BTSOCKET_RFCOMM_SESSION_INITIATOR)? 1 : 0)
u_int16_t mtu; /* default MTU */
struct ng_bt_mbufq outq; /* outgoing queue */
struct mtx session_mtx; /* session lock */
LIST_HEAD(, ng_btsocket_rfcomm_pcb) dlcs; /* active DLC */
LIST_ENTRY(ng_btsocket_rfcomm_session) next; /* link to next */
};
typedef struct ng_btsocket_rfcomm_session ng_btsocket_rfcomm_session_t;
typedef struct ng_btsocket_rfcomm_session * ng_btsocket_rfcomm_session_p;
/*
* Bluetooth RFCOMM socket PCB (DLC)
*/
struct ng_btsocket_rfcomm_pcb {
struct socket *so; /* RFCOMM socket */
struct ng_btsocket_rfcomm_session *session; /* RFCOMM session */
u_int16_t flags; /* DLC flags */
#define NG_BTSOCKET_RFCOMM_DLC_TIMO (1 << 0) /* timeout pending */
#define NG_BTSOCKET_RFCOMM_DLC_CFC (1 << 1) /* credit flow ctrl */
#define NG_BTSOCKET_RFCOMM_DLC_TIMEDOUT (1 << 2) /* timeout happend */
#define NG_BTSOCKET_RFCOMM_DLC_DETACHED (1 << 3) /* DLC detached */
#define NG_BTSOCKET_RFCOMM_DLC_SENDING (1 << 4) /* send pending */
u_int16_t state; /* DLC state */
#define NG_BTSOCKET_RFCOMM_DLC_CLOSED 0
#define NG_BTSOCKET_RFCOMM_DLC_W4_CONNECT 1
#define NG_BTSOCKET_RFCOMM_DLC_CONFIGURING 2
#define NG_BTSOCKET_RFCOMM_DLC_CONNECTING 3
#define NG_BTSOCKET_RFCOMM_DLC_CONNECTED 4
#define NG_BTSOCKET_RFCOMM_DLC_DISCONNECTING 5
bdaddr_t src; /* source address */
bdaddr_t dst; /* dest. address */
u_int8_t channel; /* RFCOMM channel */
u_int8_t dlci; /* RFCOMM DLCI */
u_int8_t lmodem; /* local mdm signls */
u_int8_t rmodem; /* remote -/- */
u_int16_t mtu; /* MTU */
int16_t rx_cred; /* RX credits */
int16_t tx_cred; /* TX credits */
struct mtx pcb_mtx; /* PCB lock */
struct callout_handle timo; /* timeout */
LIST_ENTRY(ng_btsocket_rfcomm_pcb) session_next;/* link to next */
LIST_ENTRY(ng_btsocket_rfcomm_pcb) next; /* link to next */
};
typedef struct ng_btsocket_rfcomm_pcb ng_btsocket_rfcomm_pcb_t;
typedef struct ng_btsocket_rfcomm_pcb * ng_btsocket_rfcomm_pcb_p;
#define so2rfcomm_pcb(so) \
((struct ng_btsocket_rfcomm_pcb *)((so)->so_pcb))
/*
* Bluetooth RFCOMM socket methods
*/
#ifdef _KERNEL
void ng_btsocket_rfcomm_init (void);
void ng_btsocket_rfcomm_abort (struct socket *);
void ng_btsocket_rfcomm_close (struct socket *);
int ng_btsocket_rfcomm_accept (struct socket *, struct sockaddr **);
int ng_btsocket_rfcomm_attach (struct socket *, int, struct thread *);
int ng_btsocket_rfcomm_bind (struct socket *, struct sockaddr *,
struct thread *);
int ng_btsocket_rfcomm_connect (struct socket *, struct sockaddr *,
struct thread *);
int ng_btsocket_rfcomm_control (struct socket *, u_long, caddr_t,
struct ifnet *, struct thread *);
int ng_btsocket_rfcomm_ctloutput (struct socket *, struct sockopt *);
void ng_btsocket_rfcomm_detach (struct socket *);
int ng_btsocket_rfcomm_disconnect (struct socket *);
int ng_btsocket_rfcomm_listen (struct socket *, int, struct thread *);
int ng_btsocket_rfcomm_peeraddr (struct socket *, struct sockaddr **);
int ng_btsocket_rfcomm_send (struct socket *, int, struct mbuf *,
struct sockaddr *, struct mbuf *,
struct thread *);
int ng_btsocket_rfcomm_sockaddr (struct socket *, struct sockaddr **);
#endif /* _KERNEL */
#endif /* _NETGRAPH_BTSOCKET_RFCOMM_H_ */