/* * 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: src/sys/netgraph/bluetooth/include/ng_btsocket_rfcomm.h,v 1.8 2006/07/21 17:11:13 rwatson Exp $ */ #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 0x1 #define RFCOMM_RPN_DATA_7 0x2 #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 lock session_lock; /* 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 lock pcb_lock; /* PCB lock */ struct callout 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 (netmsg_t msg); #if 0 /* XXX */ void ng_btsocket_rfcomm_close (struct socket *); #endif void ng_btsocket_rfcomm_accept (netmsg_t msg); void ng_btsocket_rfcomm_attach (netmsg_t msg); void ng_btsocket_rfcomm_bind (netmsg_t msg); void ng_btsocket_rfcomm_connect (netmsg_t msg); void ng_btsocket_rfcomm_control (netmsg_t msg); void ng_btsocket_rfcomm_ctloutput (netmsg_t msg); void ng_btsocket_rfcomm_detach (netmsg_t msg); void ng_btsocket_rfcomm_disconnect (netmsg_t msg); void ng_btsocket_rfcomm_listen (netmsg_t msg); void ng_btsocket_rfcomm_peeraddr (netmsg_t msg); void ng_btsocket_rfcomm_send (netmsg_t msg); void ng_btsocket_rfcomm_sockaddr (netmsg_t msg); #endif /* _KERNEL */ #endif /* _NETGRAPH_BTSOCKET_RFCOMM_H_ */
