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haiku/headers/private/bluetooth/l2cap.h
Oliver Ruiz Dorantes 696b8e46f3 Move header to private, is meant to be used by acl component as well 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26903 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-08-09 20:47:30 +00:00

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/*
* Copyright 2007 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
* All rights reserved. Distributed under the terms of the MIT License.
*
*/
/*-
* Copyright (c) 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.
*/
/**************************************************************************
**************************************************************************
** Common defines and types (L2CAP)
**************************************************************************
**************************************************************************/
#ifndef _L2CAP_
#define _L2CAP_
#include <bluetooth/bluetooth.h>
// TODO: from BSD compatibility layer
#define htole16(x) (x)
/*
* Channel IDs are assigned relative to the instance of L2CAP node, i.e.
* relative to the unit. So the total number of channels that unit can have
* open at the same time is 0xffff - 0x0040 = 0xffbf (65471). This number
* does not depend on number of connections.
*/
#define L2CAP_NULL_CID 0x0000 /* DO NOT USE THIS CID */
#define L2CAP_SIGNAL_CID 0x0001 /* signaling channel ID */
#define L2CAP_CLT_CID 0x0002 /* connectionless channel ID */
/* 0x0003 - 0x003f Reserved */
#define L2CAP_FIRST_CID 0x0040 /* dynamically alloc. (start) */
#define L2CAP_LAST_CID 0xffff /* dynamically alloc. (end) */
/*
* L2CAP signaling command ident's are assigned relative to the connection,
* because there is only one signaling channel (cid == 0x01) for every
* connection. So up to 254 (0xff - 0x01) L2CAP commands can be pending at the
* same time for the same connection.
*/
#define L2CAP_NULL_IDENT 0x00 /* DO NOT USE THIS IDENT */
#define L2CAP_FIRST_IDENT 0x01 /* dynamically alloc. (start) */
#define L2CAP_LAST_IDENT 0xff /* dynamically alloc. (end) */
/* L2CAP MTU */
#define L2CAP_MTU_MINIMUM 48
#define L2CAP_MTU_DEFAULT 672
#define L2CAP_MTU_MAXIMUM 0xffff
/* L2CAP flush and link timeouts */
#define L2CAP_FLUSH_TIMO_DEFAULT 0xffff /* always retransmit */
#define L2CAP_LINK_TIMO_DEFAULT 0xffff
/* L2CAP Command Reject reasons */
#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000
#define L2CAP_REJ_MTU_EXCEEDED 0x0001
#define L2CAP_REJ_INVALID_CID 0x0002
/* 0x0003 - 0xffff - reserved for future use */
/* Protocol/Service Multioplexor (PSM) values */
#define L2CAP_PSM_ANY 0x0000 /* Any/Invalid PSM */
#define L2CAP_PSM_SDP 0x0001 /* Service Discovery Protocol */
#define L2CAP_PSM_RFCOMM 0x0003 /* RFCOMM protocol */
#define L2CAP_PSM_TCP 0x0005 /* Telephony Control Protocol */
#define L2CAP_PSM_TCS 0x0007 /* TCS cordless */
#define L2CAP_PSM_BNEP 0x000F /* BNEP */
#define L2CAP_PSM_HID_CTRL 0x0011 /* HID Control */
#define L2CAP_PSM_HID_INT 0x0013 /* HID Interrupt */
#define L2CAP_PSM_UPnP 0x0015 /* UPnP (ESDP) */
#define L2CAP_PSM_AVCTP 0x0017 /* AVCTP */
#define L2CAP_PSM_AVDTP 0x0019 /* AVDTP */
/* < 0x1000 - reserved for future use */
/* 0x1001 < x < 0xFFFF dinamically assigned */
/* L2CAP Connection response command result codes */
#define L2CAP_SUCCESS 0x0000
#define L2CAP_PENDING 0x0001
#define L2CAP_PSM_NOT_SUPPORTED 0x0002
#define L2CAP_SEQUIRY_BLOCK 0x0003
#define L2CAP_NO_RESOURCES 0x0004
#define L2CAP_TIMEOUT 0xeeee
#define L2CAP_UNKNOWN 0xffff
/* 0x0005 - 0xffff - reserved for future use */
/* L2CAP Connection response status codes */
#define L2CAP_NO_INFO 0x0000
#define L2CAP_AUTH_PENDING 0x0001
#define L2CAP_AUTZ_PENDING 0x0002
/* 0x0003 - 0xffff - reserved for future use */
/* L2CAP Configuration response result codes */
#define L2CAP_UNACCEPTABLE_PARAMS 0x0001
#define L2CAP_REJECT 0x0002
#define L2CAP_UNKNOWN_OPTION 0x0003
/* 0x0003 - 0xffff - reserved for future use */
/* L2CAP Configuration options */
#define L2CAP_OPT_CFLAG_BIT 0x0001
#define L2CAP_OPT_CFLAG(flags) ((flags) & L2CAP_OPT_CFLAG_BIT)
#define L2CAP_OPT_HINT_BIT 0x80
#define L2CAP_OPT_HINT(type) ((type) & L2CAP_OPT_HINT_BIT)
#define L2CAP_OPT_HINT_MASK 0x7f
#define L2CAP_OPT_MTU 0x01
#define L2CAP_OPT_MTU_SIZE sizeof(uint16)
#define L2CAP_OPT_FLUSH_TIMO 0x02
#define L2CAP_OPT_FLUSH_TIMO_SIZE sizeof(uint16)
#define L2CAP_OPT_QOS 0x03
#define L2CAP_OPT_QOS_SIZE sizeof(l2cap_qos)
/* 0x4 - 0xff - reserved for future use */
/* L2CAP Information request type codes */
#define L2CAP_CONNLESS_MTU 0x0001
#define L2CAP_EXTENDED_MASK 0x0002
/* 0x0003 - 0xffff - reserved for future use */
/* L2CAP Information response codes */
#define L2CAP_NOT_SUPPORTED 0x0001
/* 0x0002 - 0xffff - reserved for future use */
/* L2CAP flow (QoS) */
typedef struct {
uint8 flags; /* reserved for future use */
uint8 service_type; /* service type */
uint32 token_rate; /* bytes per second */
uint32 token_bucket_size; /* bytes */
uint32 peak_bandwidth; /* bytes per second */
uint32 latency; /* microseconds */
uint32 delay_variation; /* microseconds */
} __attribute__ ((packed)) l2cap_flow_t;
/**************************************************************************
**************************************************************************
** Link level defines, headers and types
**************************************************************************
**************************************************************************/
/* L2CAP header */
typedef struct {
uint16 length; /* payload size */
uint16 dcid; /* destination channel ID */
} __attribute__ ((packed)) l2cap_hdr_t;
/* L2CAP ConnectionLess Traffic (CLT) (if destination cid == 0x2) */
typedef struct {
uint16 psm; /* Protocol/Service Multiplexor */
} __attribute__ ((packed)) l2cap_clt_hdr_t;
#define L2CAP_CLT_MTU_MAXIMUM (L2CAP_MTU_MAXIMUM - sizeof(l2cap_clt_hdr_t))
/* L2CAP command header */
typedef struct {
uint8 code; /* command OpCode */
uint8 ident; /* identifier to match request and response */
uint16 length; /* command parameters length */
} __attribute__ ((packed)) l2cap_cmd_hdr_t;
/* L2CAP Command Reject */
#define L2CAP_CMD_REJ 0x01
typedef struct {
uint16 reason; /* reason to reject command */
/* uint8 data[]; -- optional data (depends on reason) */
} __attribute__ ((packed)) l2cap_cmd_rej_cp;
/* CommandReject data */
typedef union {
/* L2CAP_REJ_MTU_EXCEEDED */
struct {
uint16 mtu; /* actual signaling MTU */
} __attribute__ ((packed)) mtu;
/* L2CAP_REJ_INVALID_CID */
struct {
uint16 scid; /* local CID */
uint16 dcid; /* remote CID */
} __attribute__ ((packed)) cid;
} l2cap_cmd_rej_data_t;
typedef l2cap_cmd_rej_data_t * l2cap_cmd_rej_data_p;
/* L2CAP Connection Request */
#define L2CAP_CON_REQ 0x02
typedef struct {
uint16 psm; /* Protocol/Service Multiplexor (PSM) */
uint16 scid; /* source channel ID */
} __attribute__ ((packed)) l2cap_con_req_cp;
/* L2CAP Connection Response */
#define L2CAP_CON_RSP 0x03
typedef struct {
uint16 dcid; /* destination channel ID */
uint16 scid; /* source channel ID */
uint16 result; /* 0x00 - success */
uint16 status; /* more info if result != 0x00 */
} __attribute__ ((packed)) l2cap_con_rsp_cp;
/* L2CAP Configuration Request */
#define L2CAP_CFG_REQ 0x04
typedef struct {
uint16 dcid; /* destination channel ID */
uint16 flags; /* flags */
/* uint8 options[] -- options */
} __attribute__ ((packed)) l2cap_cfg_req_cp;
/* L2CAP Configuration Response */
#define L2CAP_CFG_RSP 0x05
typedef struct {
uint16 scid; /* source channel ID */
uint16 flags; /* flags */
uint16 result; /* 0x00 - success */
/* uint8 options[] -- options */
} __attribute__ ((packed)) l2cap_cfg_rsp_cp;
/* L2CAP configuration option */
typedef struct {
uint8 type;
uint8 length;
/* uint8 value[] -- option value (depends on type) */
} __attribute__ ((packed)) l2cap_cfg_opt_t;
typedef l2cap_cfg_opt_t * l2cap_cfg_opt_p;
/* L2CAP configuration option value */
typedef union {
uint16 mtu; /* L2CAP_OPT_MTU */
uint16 flush_timo; /* L2CAP_OPT_FLUSH_TIMO */
l2cap_flow_t flow; /* L2CAP_OPT_QOS */
} l2cap_cfg_opt_val_t;
typedef l2cap_cfg_opt_val_t * l2cap_cfg_opt_val_p;
/* L2CAP Disconnect Request */
#define L2CAP_DISCON_REQ 0x06
typedef struct {
uint16 dcid; /* destination channel ID */
uint16 scid; /* source channel ID */
} __attribute__ ((packed)) l2cap_discon_req_cp;
/* L2CAP Disconnect Response */
#define L2CAP_DISCON_RSP 0x07
typedef l2cap_discon_req_cp l2cap_discon_rsp_cp;
/* L2CAP Echo Request */
#define L2CAP_ECHO_REQ 0x08
/* No command parameters, only optional data */
/* L2CAP Echo Response */
#define L2CAP_ECHO_RSP 0x09
#define L2CAP_MAX_ECHO_SIZE \
(L2CAP_MTU_MAXIMUM - sizeof(l2cap_cmd_hdr_t))
/* No command parameters, only optional data */
/* L2CAP Information Request */
#define L2CAP_INFO_REQ 0x0a
typedef struct {
uint16 type; /* requested information type */
} __attribute__ ((packed)) l2cap_info_req_cp;
/* L2CAP Information Response */
#define L2CAP_INFO_RSP 0x0b
typedef struct {
uint16 type; /* requested information type */
uint16 result; /* 0x00 - success */
/* uint8 info[] -- info data (depends on type)
*
* L2CAP_CONNLESS_MTU - 2 bytes connectionless MTU
*/
} __attribute__ ((packed)) l2cap_info_rsp_cp;
typedef union {
/* L2CAP_CONNLESS_MTU */
struct {
uint16 mtu;
} __attribute__ ((packed)) mtu;
} l2cap_info_rsp_data_t;
typedef l2cap_info_rsp_data_t * l2cap_info_rsp_data_p;
#endif
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