/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2000-2001  Qualcomm Incorporated
 *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
 *  Copyright (C) 2002-2005  Marcel Holtmann <marcel@holtmann.org>
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation;
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
 *  CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 *  ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
 *  COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
 *  SOFTWARE IS DISCLAIMED.
 *
 *
 *  $Id$
 */

#ifndef __HCI_H
#define __HCI_H

#ifdef __cplusplus
extern "C" {
#endif

#define HCI_MAX_DEV	16

#define HCI_MAX_ACL_SIZE	1024
#define HCI_MAX_SCO_SIZE	255
#define HCI_MAX_EVENT_SIZE	260
#define HCI_MAX_FRAME_SIZE	(HCI_MAX_ACL_SIZE + 4)

/* HCI dev events */
#define HCI_DEV_REG	1
#define HCI_DEV_UNREG	2
#define HCI_DEV_UP	3
#define HCI_DEV_DOWN	4
#define HCI_DEV_SUSPEND	5
#define HCI_DEV_RESUME	6

/* HCI device types */
#define HCI_VHCI	0
#define HCI_USB		1
#define HCI_PCCARD	2
#define HCI_UART	3
#define HCI_RS232	4
#define HCI_PCI		5

/* HCI device flags */
enum {
	HCI_UP,
	HCI_INIT,
	HCI_RUNNING,

	HCI_PSCAN,
	HCI_ISCAN,
	HCI_AUTH,
	HCI_ENCRYPT,
	HCI_INQUIRY,

	HCI_RAW,

	HCI_SECMGR
};

/* HCI ioctl defines */
#define HCIDEVUP	_IOW('H', 201, int)
#define HCIDEVDOWN	_IOW('H', 202, int)
#define HCIDEVRESET	_IOW('H', 203, int)
#define HCIDEVRESTAT	_IOW('H', 204, int)

#define HCIGETDEVLIST	_IOR('H', 210, int)
#define HCIGETDEVINFO	_IOR('H', 211, int)
#define HCIGETCONNLIST	_IOR('H', 212, int)
#define HCIGETCONNINFO	_IOR('H', 213, int)

#define HCISETRAW	_IOW('H', 220, int)
#define HCISETSCAN	_IOW('H', 221, int)
#define HCISETAUTH	_IOW('H', 222, int)
#define HCISETENCRYPT	_IOW('H', 223, int)
#define HCISETPTYPE	_IOW('H', 224, int)
#define HCISETLINKPOL	_IOW('H', 225, int)
#define HCISETLINKMODE	_IOW('H', 226, int)
#define HCISETACLMTU	_IOW('H', 227, int)
#define HCISETSCOMTU	_IOW('H', 228, int)

#define HCISETSECMGR	_IOW('H', 230, int)

#define HCIINQUIRY	_IOR('H', 240, int)

/* HCI timeouts */

#define HCI_CONN_TIMEOUT	(HZ * 40)
#define HCI_DISCONN_TIMEOUT	(HZ * 2)
#define HCI_CONN_IDLE_TIMEOUT	(HZ * 60)

#ifndef __NO_HCI_DEFS

/* HCI Packet types */
#define HCI_COMMAND_PKT		0x01
#define HCI_ACLDATA_PKT		0x02
#define HCI_SCODATA_PKT		0x03
#define HCI_EVENT_PKT		0x04
#define HCI_VENDOR_PKT		0xff

/* HCI Packet types */
#define HCI_2DH1	0x0002
#define HCI_3DH1	0x0004
#define HCI_DM1		0x0008
#define HCI_DH1		0x0010
#define HCI_2DH3	0x0100
#define HCI_3DH3	0x0200
#define HCI_DM3		0x0400
#define HCI_DH3		0x0800
#define HCI_2DH5	0x1000
#define HCI_3DH5	0x2000
#define HCI_DM5		0x4000
#define HCI_DH5		0x8000

#define HCI_HV1		0x0020
#define HCI_HV2		0x0040
#define HCI_HV3		0x0080

#define HCI_EV3		0x0008
#define HCI_EV4		0x0010
#define HCI_EV5		0x0020
#define HCI_2EV3	0x0040
#define HCI_3EV3	0x0080
#define HCI_2EV5	0x0100
#define HCI_3EV5	0x0200

#define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
#define ACL_PTYPE_MASK	(~SCO_PTYPE_MASK)

/* HCI Error codes */
#define HCI_UNKNOWN_COMMAND			0x01
#define HCI_NO_CONNECTION			0x02
#define HCI_HARDWARE_FAILURE			0x03
#define HCI_PAGE_TIMEOUT			0x04
#define HCI_AUTHENTICATION_FAILURE		0x05
#define HCI_PIN_OR_KEY_MISSING			0x06
#define HCI_MEMORY_FULL				0x07
#define HCI_CONNECTION_TIMEOUT			0x08
#define HCI_MAX_NUMBER_OF_CONNECTIONS		0x09
#define HCI_MAX_NUMBER_OF_SCO_CONNECTIONS	0x0a
#define HCI_ACL_CONNECTION_EXISTS		0x0b
#define HCI_COMMAND_DISALLOWED			0x0c
#define HCI_REJECTED_LIMITED_RESOURCES		0x0d
#define HCI_REJECTED_SECURITY			0x0e
#define HCI_REJECTED_PERSONAL			0x0f
#define HCI_HOST_TIMEOUT			0x10
#define HCI_UNSUPPORTED_FEATURE			0x11
#define HCI_INVALID_PARAMETERS			0x12
#define HCI_OE_USER_ENDED_CONNECTION		0x13
#define HCI_OE_LOW_RESOURCES			0x14
#define HCI_OE_POWER_OFF			0x15
#define HCI_CONNECTION_TERMINATED		0x16
#define HCI_REPEATED_ATTEMPTS			0x17
#define HCI_PAIRING_NOT_ALLOWED			0x18
#define HCI_UNKNOWN_LMP_PDU			0x19
#define HCI_UNSUPPORTED_REMOTE_FEATURE		0x1a
#define HCI_SCO_OFFSET_REJECTED			0x1b
#define HCI_SCO_INTERVAL_REJECTED		0x1c
#define HCI_AIR_MODE_REJECTED			0x1d
#define HCI_INVALID_LMP_PARAMETERS		0x1e
#define HCI_UNSPECIFIED_ERROR			0x1f
#define HCI_UNSUPPORTED_LMP_PARAMETER_VALUE	0x20
#define HCI_ROLE_CHANGE_NOT_ALLOWED		0x21
#define HCI_LMP_RESPONSE_TIMEOUT		0x22
#define HCI_LMP_ERROR_TRANSACTION_COLLISION	0x23
#define HCI_LMP_PDU_NOT_ALLOWED			0x24
#define HCI_ENCRYPTION_MODE_NOT_ACCEPTED	0x25
#define HCI_UNIT_LINK_KEY_USED			0x26
#define HCI_QOS_NOT_SUPPORTED			0x27
#define HCI_INSTANT_PASSED			0x28
#define HCI_PAIRING_NOT_SUPPORTED		0x29
#define HCI_TRANSACTION_COLLISION		0x2a
#define HCI_QOS_UNACCEPTABLE_PARAMETER		0x2c
#define HCI_QOS_REJECTED			0x2d
#define HCI_CLASSIFICATION_NOT_SUPPORTED	0x2e
#define HCI_INSUFFICIENT_SECURITY		0x2f
#define HCI_PARAMETER_OUT_OF_RANGE		0x30
#define HCI_ROLE_SWITCH_PENDING			0x32
#define HCI_SLOT_VIOLATION			0x34
#define HCI_ROLE_SWITCH_FAILED			0x35

/* ACL flags */
#define ACL_CONT		0x01
#define ACL_START		0x02
#define ACL_ACTIVE_BCAST	0x04
#define ACL_PICO_BCAST		0x08

/* Baseband links */
#define SCO_LINK	0x00
#define ACL_LINK	0x01

/* LMP features */
#define LMP_3SLOT	0x01
#define LMP_5SLOT	0x02
#define LMP_ENCRYPT	0x04
#define LMP_SOFFSET	0x08
#define LMP_TACCURACY	0x10
#define LMP_RSWITCH	0x20
#define LMP_HOLD	0x40
#define LMP_SNIFF	0x80

#define LMP_PARK	0x01
#define LMP_RSSI	0x02
#define LMP_QUALITY	0x04
#define LMP_SCO		0x08
#define LMP_HV2		0x10
#define LMP_HV3		0x20
#define LMP_ULAW	0x40
#define LMP_ALAW	0x80

#define LMP_CVSD	0x01
#define LMP_PSCHEME	0x02
#define LMP_PCONTROL	0x04
#define LMP_TRSP_SCO	0x08
#define LMP_BCAST_ENC	0x80

#define LMP_EDR_ACL_2M	0x02
#define LMP_EDR_ACL_3M	0x04
#define LMP_ENH_ISCAN	0x08
#define LMP_ILACE_ISCAN	0x10
#define LMP_ILACE_PSCAN	0x20
#define LMP_RSSI_INQ	0x40
#define LMP_ESCO	0x80

#define LMP_EV4		0x01
#define LMP_EV5		0x02
#define LMP_AFH_CAP_SLV	0x08
#define LMP_AFH_CLS_SLV	0x10
#define LMP_EDR_3SLOT	0x80

#define LMP_EDR_5SLOT	0x01
#define LMP_AFH_CAP_MST	0x08
#define LMP_AFH_CLS_MST	0x10
#define LMP_EDR_ESCO_2M	0x20
#define LMP_EDR_ESCO_3M	0x40
#define LMP_EDR_3S_ESCO	0x80

#define LMP_EXT_FEAT	0x80

/* Link policies */
#define HCI_LP_RSWITCH	0x0001
#define HCI_LP_HOLD	0x0002
#define HCI_LP_SNIFF	0x0004
#define HCI_LP_PARK	0x0008

/* Link mode */
#define HCI_LM_ACCEPT	0x8000
#define HCI_LM_MASTER	0x0001
#define HCI_LM_AUTH	0x0002
#define HCI_LM_ENCRYPT	0x0004
#define HCI_LM_TRUSTED	0x0008
#define HCI_LM_RELIABLE	0x0010
#define HCI_LM_SECURE	0x0020

/* -----  HCI Commands ----- */

/* Link Control */
#define OGF_LINK_CTL		0x01

#define OCF_INQUIRY			0x0001
typedef struct {
	uint8_t		lap[3];
	uint8_t		length;		/* 1.28s units */
	uint8_t		num_rsp;
} __attribute__ ((packed)) inquiry_cp;
#define INQUIRY_CP_SIZE 5

typedef struct {
	uint8_t		status;
	bdaddr_t	bdaddr;
} __attribute__ ((packed)) status_bdaddr_rp;
#define STATUS_BDADDR_RP_SIZE 7

#define OCF_INQUIRY_CANCEL		0x0002

#define OCF_PERIODIC_INQUIRY		0x0003
typedef struct {
	uint16_t	max_period;	/* 1.28s units */
	uint16_t	min_period;	/* 1.28s units */
	uint8_t		lap[3];
	uint8_t		length;		/* 1.28s units */
	uint8_t		num_rsp;
} __attribute__ ((packed)) periodic_inquiry_cp;
#define PERIODIC_INQUIRY_CP_SIZE 9

#define OCF_EXIT_PERIODIC_INQUIRY	0x0004

#define OCF_CREATE_CONN			0x0005
typedef struct {
	bdaddr_t	bdaddr;
	uint16_t	pkt_type;
	uint8_t		pscan_rep_mode;
	uint8_t		pscan_mode;
	uint16_t	clock_offset;
	uint8_t		role_switch;
} __attribute__ ((packed)) create_conn_cp;
#define CREATE_CONN_CP_SIZE 13

#define OCF_DISCONNECT			0x0006
typedef struct {
	uint16_t	handle;
	uint8_t		reason;
} __attribute__ ((packed)) disconnect_cp;
#define DISCONNECT_CP_SIZE 3

#define OCF_ADD_SCO			0x0007
typedef struct {
	uint16_t	handle;
	uint16_t	pkt_type;
} __attribute__ ((packed)) add_sco_cp;
#define ADD_SCO_CP_SIZE 4

#define OCF_ACCEPT_CONN_REQ		0x0009
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		role;
} __attribute__ ((packed)) accept_conn_req_cp;
#define ACCEPT_CONN_REQ_CP_SIZE	7

#define OCF_REJECT_CONN_REQ		0x000A
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		reason;
} __attribute__ ((packed)) reject_conn_req_cp;
#define REJECT_CONN_REQ_CP_SIZE	7

#define OCF_LINK_KEY_REPLY		0x000B
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		link_key[16];
} __attribute__ ((packed)) link_key_reply_cp;
#define LINK_KEY_REPLY_CP_SIZE 22

#define OCF_LINK_KEY_NEG_REPLY		0x000C

#define OCF_PIN_CODE_REPLY		0x000D
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		pin_len;
	uint8_t		pin_code[16];
} __attribute__ ((packed)) pin_code_reply_cp;
#define PIN_CODE_REPLY_CP_SIZE 23

#define OCF_PIN_CODE_NEG_REPLY		0x000E

#define OCF_SET_CONN_PTYPE		0x000F
typedef struct {
	uint16_t	 handle;
	uint16_t	 pkt_type;
} __attribute__ ((packed)) set_conn_ptype_cp;
#define SET_CONN_PTYPE_CP_SIZE 4

#define OCF_AUTH_REQUESTED		0x0011
typedef struct {
	uint16_t	 handle;
} __attribute__ ((packed)) auth_requested_cp;
#define AUTH_REQUESTED_CP_SIZE 2

#define OCF_SET_CONN_ENCRYPT		0x0013
typedef struct {
	uint16_t	handle;
	uint8_t		encrypt;
} __attribute__ ((packed)) set_conn_encrypt_cp;
#define SET_CONN_ENCRYPT_CP_SIZE 3

#define OCF_CHANGE_CONN_LINK_KEY	0x0015
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) change_conn_link_key_cp;
#define CHANGE_CONN_LINK_KEY_CP_SIZE 2

#define OCF_REMOTE_NAME_REQ		0x0019
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		pscan_rep_mode;
	uint8_t		pscan_mode;
	uint16_t	clock_offset;
} __attribute__ ((packed)) remote_name_req_cp;
#define REMOTE_NAME_REQ_CP_SIZE 10

#define OCF_READ_REMOTE_FEATURES	0x001B
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) read_remote_features_cp;
#define READ_REMOTE_FEATURES_CP_SIZE 2

#define OCF_READ_REMOTE_VERSION		0x001D
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) read_remote_version_cp;
#define READ_REMOTE_VERSION_CP_SIZE 2

#define OCF_READ_CLOCK_OFFSET		0x001F
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) read_clock_offset_cp;
#define READ_CLOCK_OFFSET_CP_SIZE 2

/* Link Policy */
#define OGF_LINK_POLICY		0x02

#define OCF_HOLD_MODE			0x0001
typedef struct {
	uint16_t	handle;
	uint16_t	max_interval;
	uint16_t	min_interval;
} __attribute__ ((packed)) hold_mode_cp;
#define HOLD_MODE_CP_SIZE 6

#define OCF_SNIFF_MODE			0x0003
typedef struct {
	uint16_t	handle;
	uint16_t	max_interval;
	uint16_t	min_interval;
	uint16_t	attempt;
	uint16_t	timeout;
} __attribute__ ((packed)) sniff_mode_cp;
#define SNIFF_MODE_CP_SIZE 10

#define OCF_EXIT_SNIFF_MODE		0x0004
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) exit_sniff_mode_cp;
#define EXIT_SNIFF_MODE_CP_SIZE 2

#define OCF_PARK_MODE			0x0005
typedef struct {
	uint16_t	handle;
	uint16_t	max_interval;
	uint16_t	min_interval;
} __attribute__ ((packed)) park_mode_cp;
#define PARK_MODE_CP_SIZE 6

#define OCF_EXIT_PARK_MODE		0x0006
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) exit_park_mode_cp;
#define EXIT_PARK_MODE_CP_SIZE 2

#define OCF_QOS_SETUP			0x0007
typedef struct {
	uint8_t		service_type;		/* 1 = best effort */
	uint32_t	token_rate;		/* Byte per seconds */
	uint32_t	peak_bandwidth;		/* Byte per seconds */
	uint32_t	latency;		/* Microseconds */
	uint32_t	delay_variation;	/* Microseconds */
} __attribute__ ((packed)) hci_qos;
#define HCI_QOS_CP_SIZE 17
typedef struct {
	uint16_t 	handle;
	uint8_t 	flags;			/* Reserved */
	hci_qos 	qos;
} __attribute__ ((packed)) qos_setup_cp;
#define QOS_SETUP_CP_SIZE (3 + HCI_QOS_CP_SIZE)

#define OCF_ROLE_DISCOVERY		0x0009
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) role_discovery_cp;
#define ROLE_DISCOVERY_CP_SIZE 2
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		role;
} __attribute__ ((packed)) role_discovery_rp;
#define ROLE_DISCOVERY_RP_SIZE 4

#define OCF_SWITCH_ROLE			0x000B
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		role;
} __attribute__ ((packed)) switch_role_cp;
#define SWITCH_ROLE_CP_SIZE 7

#define OCF_READ_LINK_POLICY		0x000C
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) read_link_policy_cp;
#define READ_LINK_POLICY_CP_SIZE 2
typedef struct {
	uint8_t 	status;
	uint16_t	handle;
	uint16_t	policy;
} __attribute__ ((packed)) read_link_policy_rp;
#define READ_LINK_POLICY_RP_SIZE 5

#define OCF_WRITE_LINK_POLICY		0x000D
typedef struct {
	uint16_t	handle;
	uint16_t	policy;
} __attribute__ ((packed)) write_link_policy_cp;
#define WRITE_LINK_POLICY_CP_SIZE 4
typedef struct {
	uint8_t 	status;
	uint16_t	handle;
} __attribute__ ((packed)) write_link_policy_rp;
#define WRITE_LINK_POLICY_RP_SIZE 3

/* Host Controller and Baseband */
#define OGF_HOST_CTL		0x03

#define OCF_RESET			0x0003

#define OCF_SET_EVENT_FLT		0x0005
typedef struct {
	uint8_t		flt_type;
	uint8_t		cond_type;
	uint8_t		condition[0];
} __attribute__ ((packed)) set_event_flt_cp;
#define SET_EVENT_FLT_CP_SIZE 2

/* Filter types */
#define FLT_CLEAR_ALL	0x00
#define FLT_INQ_RESULT	0x01
#define FLT_CONN_SETUP	0x02
/* CONN_SETUP Condition types */
#define CONN_SETUP_ALLOW_ALL	0x00
#define CONN_SETUP_ALLOW_CLASS	0x01
#define CONN_SETUP_ALLOW_BDADDR	0x02
/* CONN_SETUP Conditions */
#define CONN_SETUP_AUTO_OFF	0x01
#define CONN_SETUP_AUTO_ON	0x02

#define OCF_CHANGE_LOCAL_NAME		0x0013
typedef struct {
	uint8_t		name[248];
} __attribute__ ((packed)) change_local_name_cp;
#define CHANGE_LOCAL_NAME_CP_SIZE 248 

#define OCF_READ_LOCAL_NAME		0x0014
typedef struct {
	uint8_t		status;
	uint8_t		name[248];
} __attribute__ ((packed)) read_local_name_rp;
#define READ_LOCAL_NAME_RP_SIZE 249 

#define OCF_WRITE_CA_TIMEOUT		0x0016
#define OCF_WRITE_PG_TIMEOUT		0x0018

#define OCF_READ_PAGE_TIMEOUT		0x0017
typedef struct {
	uint8_t		status;
	uint16_t	timeout;
} __attribute__ ((packed)) read_page_timeout_rp;
#define READ_PAGE_TIMEOUT_RP_SIZE 3

#define OCF_WRITE_PAGE_TIMEOUT		0x0018
typedef struct {
	uint16_t	timeout;
} __attribute__ ((packed)) write_page_timeout_cp;
#define WRITE_PAGE_TIMEOUT_CP_SIZE 2

#define OCF_WRITE_SCAN_ENABLE		0x001A
	#define SCAN_DISABLED		0x00
	#define SCAN_INQUIRY		0x01
	#define SCAN_PAGE		0x02

#define OCF_READ_PAGE_ACTIVITY		0x001B
typedef struct {
	uint8_t		status;
	uint16_t	interval;
	uint16_t	window;
} __attribute__ ((packed)) read_page_activity_rp;
#define READ_PAGE_ACTIVITY_RP_SIZE 5

#define OCF_WRITE_PAGE_ACTIVITY		0x001C
typedef struct {
	uint16_t	interval;
	uint16_t	window;
} __attribute__ ((packed)) write_page_activity_cp;
#define WRITE_PAGE_ACTIVITY_CP_SIZE 4

#define OCF_READ_INQ_ACTIVITY		0x001D
typedef struct {
	uint8_t		status;
	uint16_t	interval;
	uint16_t	window;
} __attribute__ ((packed)) read_inq_activity_rp;
#define READ_INQ_ACTIVITY_RP_SIZE 5

#define OCF_WRITE_INQ_ACTIVITY		0x001E
typedef struct {
	uint16_t	interval;
	uint16_t	window;
} __attribute__ ((packed)) write_inq_activity_cp;
#define WRITE_INQ_ACTIVITY_CP_SIZE 4

#define OCF_READ_AUTH_ENABLE		0x001F

#define OCF_WRITE_AUTH_ENABLE		0x0020
	#define AUTH_DISABLED		0x00
	#define AUTH_ENABLED		0x01

#define OCF_READ_ENCRYPT_MODE		0x0021

#define OCF_WRITE_ENCRYPT_MODE		0x0022
	#define ENCRYPT_DISABLED	0x00
	#define ENCRYPT_P2P		0x01
	#define ENCRYPT_BOTH		0x02

#define OCF_READ_CLASS_OF_DEV		0x0023
typedef struct {
	uint8_t		status;
	uint8_t		dev_class[3];
} __attribute__ ((packed)) read_class_of_dev_rp;
#define READ_CLASS_OF_DEV_RP_SIZE 4 

#define OCF_WRITE_CLASS_OF_DEV		0x0024
typedef struct {
	uint8_t		dev_class[3];
} __attribute__ ((packed)) write_class_of_dev_cp;
#define WRITE_CLASS_OF_DEV_CP_SIZE 3

#define OCF_READ_VOICE_SETTING		0x0025
typedef struct {
	uint8_t		status;
	uint16_t	voice_setting;
} __attribute__ ((packed)) read_voice_setting_rp;
#define READ_VOICE_SETTING_RP_SIZE 3

#define OCF_WRITE_VOICE_SETTING		0x0026
typedef struct {
	uint16_t	voice_setting;
} __attribute__ ((packed)) write_voice_setting_cp;
#define WRITE_VOICE_SETTING_CP_SIZE 2

#define OCF_READ_TRANSMIT_POWER_LEVEL	0x002D
typedef struct {
	uint16_t	handle;
	uint8_t		type;
} __attribute__ ((packed)) read_transmit_power_level_cp;
#define READ_TRANSMIT_POWER_LEVEL_CP_SIZE 3
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	int8_t		level;
} __attribute__ ((packed)) read_transmit_power_level_rp;
#define READ_TRANSMIT_POWER_LEVEL_RP_SIZE 4

#define OCF_HOST_BUFFER_SIZE		0x0033
typedef struct {
	uint16_t	acl_mtu;
	uint8_t		sco_mtu;
	uint16_t	acl_max_pkt;
	uint16_t	sco_max_pkt;
} __attribute__ ((packed)) host_buffer_size_cp;
#define HOST_BUFFER_SIZE_CP_SIZE 7

#define OCF_READ_LINK_SUPERVISION_TIMEOUT	0x0036
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint16_t	link_sup_to;
} __attribute__ ((packed)) read_link_supervision_timeout_rp;
#define READ_LINK_SUPERVISION_TIMEOUT_RP_SIZE 5

#define OCF_WRITE_LINK_SUPERVISION_TIMEOUT	0x0037
typedef struct {
	uint16_t	handle;
	uint16_t	link_sup_to;
} __attribute__ ((packed)) write_link_supervision_timeout_cp;
#define WRITE_LINK_SUPERVISION_TIMEOUT_CP_SIZE 4
typedef struct {
	uint8_t		status;
	uint16_t	handle;
} __attribute__ ((packed)) write_link_supervision_timeout_rp;
#define WRITE_LINK_SUPERVISION_TIMEOUT_RP_SIZE 3

#define MAX_IAC_LAP 0x40
#define OCF_READ_CURRENT_IAC_LAP	0x0039
typedef struct {
	uint8_t		status;
	uint8_t		num_current_iac;
	uint8_t		lap[3][MAX_IAC_LAP];
} __attribute__ ((packed)) read_current_iac_lap_rp;
#define READ_CURRENT_IAC_LAP_RP_SIZE 2+3*MAX_IAC_LAP

#define OCF_WRITE_CURRENT_IAC_LAP	0x003A
typedef struct {
	uint8_t		num_current_iac;
	uint8_t		lap[3][MAX_IAC_LAP];
} __attribute__ ((packed)) write_current_iac_lap_cp;
#define WRITE_CURRENT_IAC_LAP_CP_SIZE 1+3*MAX_IAC_LAP

#define OCF_SET_AFH_CLASSIFICATION	0x003F
typedef struct {
	uint8_t		map[10];
} __attribute__ ((packed)) set_afh_classification_cp;
#define SET_AFH_CLASSIFICATION_CP_SIZE 10
typedef struct {
	uint8_t		status;
} __attribute__ ((packed)) set_afh_classification_rp;
#define SET_AFH_CLASSIFICATION_RP_SIZE 1

#define OCF_READ_INQUIRY_MODE		0x0044
typedef struct {
	uint8_t		status;
	uint8_t		mode;
} __attribute__ ((packed)) read_inquiry_mode_rp;
#define READ_INQUIRY_MODE_RP_SIZE 2

#define OCF_WRITE_INQUIRY_MODE		0x0045
typedef struct {
	uint8_t		mode;
} __attribute__ ((packed)) write_inquiry_mode_cp;
#define WRITE_INQUIRY_MODE_CP_SIZE 1
typedef struct {
	uint8_t		status;
} __attribute__ ((packed)) write_inquiry_mode_rp;
#define WRITE_INQUIRY_MODE_RP_SIZE 1

#define OCF_READ_AFH_MODE		0x0048
typedef struct {
	uint8_t		status;
	uint8_t		mode;
} __attribute__ ((packed)) read_afh_mode_rp;
#define READ_AFH_MODE_RP_SIZE 2

#define OCF_WRITE_AFH_MODE		0x0049
typedef struct {
	uint8_t		mode;
} __attribute__ ((packed)) write_afh_mode_cp;
#define WRITE_AFH_MODE_CP_SIZE 1
typedef struct {
	uint8_t		status;
} __attribute__ ((packed)) write_afh_mode_rp;
#define WRITE_AFH_MODE_RP_SIZE 1

/* Informational Parameters */
#define OGF_INFO_PARAM		0x04

#define OCF_READ_LOCAL_VERSION		0x0001
typedef struct {
	uint8_t		status;
	uint8_t		hci_ver;
	uint16_t	hci_rev;
	uint8_t		lmp_ver;
	uint16_t	manufacturer;
	uint16_t	lmp_subver;
} __attribute__ ((packed)) read_local_version_rp;
#define READ_LOCAL_VERSION_RP_SIZE 9

#define OCF_READ_LOCAL_FEATURES		0x0003
typedef struct {
	uint8_t		status;
	uint8_t		features[8];
} __attribute__ ((packed)) read_local_features_rp;
#define READ_LOCAL_FEATURES_RP_SIZE 9

#define OCF_READ_BUFFER_SIZE		0x0005
typedef struct {
	uint8_t		status;
	uint16_t	acl_mtu;
	uint8_t		sco_mtu;
	uint16_t	acl_max_pkt;
	uint16_t	sco_max_pkt;
} __attribute__ ((packed)) read_buffer_size_rp;
#define READ_BUFFER_SIZE_RP_SIZE 8

#define OCF_READ_BD_ADDR		0x0009
typedef struct {
	uint8_t		status;
	bdaddr_t	bdaddr;
} __attribute__ ((packed)) read_bd_addr_rp;
#define READ_BD_ADDR_RP_SIZE 7

/* Status params */
#define OGF_STATUS_PARAM	0x05

#define OCF_READ_FAILED_CONTACT_COUNTER		0x0001
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		counter;
} __attribute__ ((packed)) read_failed_contact_counter_rp;
#define READ_FAILED_CONTACT_COUNTER_RP_SIZE 4

#define OCF_RESET_FAILED_CONTACT_COUNTER	0x0002
typedef struct {
	uint8_t		status;
	uint16_t	handle;
} __attribute__ ((packed)) reset_failed_contact_counter_rp;
#define RESET_FAILED_CONTACT_COUNTER_RP_SIZE 4

#define OCF_READ_LINK_QUALITY		0x0003
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		link_quality;
} __attribute__ ((packed)) read_link_quality_rp;
#define READ_LINK_QUALITY_RP_SIZE 4

#define OCF_READ_RSSI			0x0005
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	int8_t		rssi;
} __attribute__ ((packed)) read_rssi_rp;
#define READ_RSSI_RP_SIZE 4

#define OCF_READ_AFH_MAP		0x0006
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		mode;
	uint8_t		map[10];
} __attribute__ ((packed)) read_afh_map_rp;
#define READ_AFH_MAP_RP_SIZE 14

#define OCF_READ_CLOCK			0x0007
typedef struct {
	uint16_t	handle;
	uint8_t		which_clock;
} __attribute__ ((packed)) read_clock_cp;
#define READ_CLOCK_CP_SIZE 3
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint32_t	clock;
	uint16_t	accuracy;
} __attribute__ ((packed)) read_clock_rp;
#define READ_CLOCK_RP_SIZE 9

/* Testing commands */
#define OGF_TESTING_CMD		0x3e

/* Vendor specific commands */
#define OGF_VENDOR_CMD		0x3f

/* ---- HCI Events ---- */

#define EVT_INQUIRY_COMPLETE		0x01

#define EVT_INQUIRY_RESULT		0x02
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		pscan_rep_mode;
	uint8_t		pscan_period_mode;
	uint8_t		pscan_mode;
	uint8_t		dev_class[3];
	uint16_t	clock_offset;
} __attribute__ ((packed)) inquiry_info;
#define INQUIRY_INFO_SIZE 14

#define EVT_CONN_COMPLETE		0x03
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	bdaddr_t	bdaddr;
	uint8_t		link_type;
	uint8_t		encr_mode;
} __attribute__ ((packed)) evt_conn_complete;
#define EVT_CONN_COMPLETE_SIZE 13

#define EVT_CONN_REQUEST		0x04
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		dev_class[3];
	uint8_t		link_type;
} __attribute__ ((packed)) evt_conn_request;
#define EVT_CONN_REQUEST_SIZE 10

#define EVT_DISCONN_COMPLETE		0x05
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		reason;
} __attribute__ ((packed)) evt_disconn_complete;
#define EVT_DISCONN_COMPLETE_SIZE 4

#define EVT_AUTH_COMPLETE		0x06
typedef struct {
	uint8_t		status;
	uint16_t	handle;
} __attribute__ ((packed)) evt_auth_complete;
#define EVT_AUTH_COMPLETE_SIZE 3

#define EVT_REMOTE_NAME_REQ_COMPLETE	0x07
typedef struct {
	uint8_t		status;
	bdaddr_t	bdaddr;
	uint8_t		name[248];
} __attribute__ ((packed)) evt_remote_name_req_complete;
#define EVT_REMOTE_NAME_REQ_COMPLETE_SIZE 255

#define EVT_ENCRYPT_CHANGE		0x08
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		encrypt;
} __attribute__ ((packed)) evt_encrypt_change;
#define EVT_ENCRYPT_CHANGE_SIZE 5

#define EVT_CHANGE_CONN_LINK_KEY_COMPLETE	0x09
typedef struct {
	uint8_t		status;
	uint16_t	handle;
}  __attribute__ ((packed)) evt_change_conn_link_key_complete;
#define EVT_CHANGE_CONN_LINK_KEY_COMPLETE_SIZE 3

#define EVT_READ_REMOTE_FEATURES_COMPLETE	0x0B
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		features[8];
} __attribute__ ((packed)) evt_read_remote_features_complete;
#define EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE 11

#define EVT_READ_REMOTE_VERSION_COMPLETE	0x0C
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		lmp_ver;
	uint16_t	manufacturer;
	uint16_t	lmp_subver;
} __attribute__ ((packed)) evt_read_remote_version_complete;
#define EVT_READ_REMOTE_VERSION_COMPLETE_SIZE 8

#define EVT_QOS_SETUP_COMPLETE		0x0D
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		flags;			/* Reserved */
	hci_qos		qos;
} __attribute__ ((packed)) evt_qos_setup_complete;
#define EVT_QOS_SETUP_COMPLETE_SIZE (4 + HCI_QOS_CP_SIZE)

#define EVT_CMD_COMPLETE 		0x0E
typedef struct {
	uint8_t		ncmd;
	uint16_t	opcode;
} __attribute__ ((packed)) evt_cmd_complete;
#define EVT_CMD_COMPLETE_SIZE 3

#define EVT_CMD_STATUS 			0x0F
typedef struct {
	uint8_t		status;
	uint8_t		ncmd;
	uint16_t	opcode;
} __attribute__ ((packed)) evt_cmd_status;
#define EVT_CMD_STATUS_SIZE 4

#define EVT_ROLE_CHANGE			0x12
typedef struct {
	uint8_t		status;
	bdaddr_t	bdaddr;
	uint8_t		role;
} __attribute__ ((packed)) evt_role_change;
#define EVT_ROLE_CHANGE_SIZE 8

#define EVT_NUM_COMP_PKTS		0x13
typedef struct {
	uint8_t		num_hndl;
	/* variable length part */
} __attribute__ ((packed)) evt_num_comp_pkts;
#define EVT_NUM_COMP_PKTS_SIZE 1

#define EVT_MODE_CHANGE			0x14
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint8_t		mode;
	uint16_t	interval;
} __attribute__ ((packed)) evt_mode_change;
#define EVT_MODE_CHANGE_SIZE 6

#define EVT_PIN_CODE_REQ		0x16
typedef struct {
	bdaddr_t	bdaddr;
} __attribute__ ((packed)) evt_pin_code_req;
#define EVT_PIN_CODE_REQ_SIZE 6

#define EVT_LINK_KEY_REQ		0x17
typedef struct {
	bdaddr_t	bdaddr;
} __attribute__ ((packed)) evt_link_key_req;
#define EVT_LINK_KEY_REQ_SIZE 6

#define EVT_LINK_KEY_NOTIFY		0x18
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		link_key[16];
	uint8_t		key_type;
} __attribute__ ((packed)) evt_link_key_notify;
#define EVT_LINK_KEY_NOTIFY_SIZE 23

#define EVT_READ_CLOCK_OFFSET_COMPLETE	0x1C
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint16_t	clock_offset;
} __attribute__ ((packed)) evt_read_clock_offset_complete;
#define EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE 5

#define EVT_CONN_PTYPE_CHANGED		0x1D
typedef struct {
	uint8_t		status;
	uint16_t	handle;
	uint16_t	ptype;
} __attribute__ ((packed)) evt_conn_ptype_changed;
#define EVT_CONN_PTYPE_CHANGED_SIZE 5

#define EVT_QOS_VIOLATION		0x1E
typedef struct {
	uint16_t	handle;
} __attribute__ ((packed)) evt_qos_violation;
#define EVT_QOS_VIOLATION_SIZE 2

#define EVT_INQUIRY_RESULT_WITH_RSSI	0x22
typedef struct {
	bdaddr_t	bdaddr;
	uint8_t		pscan_rep_mode;
	uint8_t		pscan_period_mode;
	uint8_t		dev_class[3];
	uint16_t	clock_offset;
	int8_t		rssi;
} __attribute__ ((packed)) inquiry_info_with_rssi;
#define INQUIRY_INFO_WITH_RSSI_SIZE 14

#define EVT_TESTING			0xFE

#define EVT_VENDOR			0xFF

/* Internal events generated by BlueZ stack */
#define EVT_STACK_INTERNAL		0xFD
typedef struct {
	uint16_t	type;
	uint8_t		data[0];
} __attribute__ ((packed)) evt_stack_internal;
#define EVT_STACK_INTERNAL_SIZE 2

#define EVT_SI_DEVICE	0x01
typedef struct {
	uint16_t	event;
	uint16_t	dev_id;
} __attribute__ ((packed)) evt_si_device;
#define EVT_SI_DEVICE_SIZE 4

#define EVT_SI_SECURITY	0x02
typedef struct {
	uint16_t	event;
	uint16_t	proto;
	uint16_t	subproto;
	uint8_t		incoming;
} __attribute__ ((packed)) evt_si_security;

/* --------  HCI Packet structures  -------- */
#define HCI_TYPE_LEN	1

typedef struct {
	uint16_t	opcode;		/* OCF & OGF */
	uint8_t		plen;
} __attribute__ ((packed))	hci_command_hdr;
#define HCI_COMMAND_HDR_SIZE 	3

typedef struct {
	uint8_t		evt;
	uint8_t		plen;
} __attribute__ ((packed))	hci_event_hdr;
#define HCI_EVENT_HDR_SIZE 	2

typedef struct {
	uint16_t	handle;		/* Handle & Flags(PB, BC) */
	uint16_t	dlen;
} __attribute__ ((packed))	hci_acl_hdr;
#define HCI_ACL_HDR_SIZE 	4

typedef struct {
	uint16_t	handle;
	uint8_t		dlen;
} __attribute__ ((packed))	hci_sco_hdr;
#define HCI_SCO_HDR_SIZE 	3

/* Command opcode pack/unpack */
#define cmd_opcode_pack(ogf, ocf)	(uint16_t)((ocf & 0x03ff)|(ogf << 10))
#define cmd_opcode_ogf(op)		(op >> 10)
#define cmd_opcode_ocf(op)		(op & 0x03ff)

/* ACL handle and flags pack/unpack */
#define acl_handle_pack(h, f)	(uint16_t)((h & 0x0fff)|(f << 12))
#define acl_handle(h)		(h & 0x0fff)
#define acl_flags(h)		(h >> 12)

#endif /* _NO_HCI_DEFS */

/* HCI Socket options */
#define HCI_DATA_DIR	1
#define HCI_FILTER	2
#define HCI_TIME_STAMP	3

/* HCI CMSG flags */
#define HCI_CMSG_DIR	0x0001
#define HCI_CMSG_TSTAMP	0x0002

struct sockaddr_hci {
	sa_family_t	hci_family;
	unsigned short	hci_dev;
};
#define HCI_DEV_NONE	0xffff

struct hci_filter {
	uint32_t type_mask;
	uint32_t event_mask[2];
	uint16_t opcode;
};

#define HCI_FLT_TYPE_BITS	31
#define HCI_FLT_EVENT_BITS	63
#define HCI_FLT_OGF_BITS	63
#define HCI_FLT_OCF_BITS	127

/* Ioctl requests structures */
struct hci_dev_stats {
	uint32_t err_rx;
	uint32_t err_tx;
	uint32_t cmd_tx;
	uint32_t evt_rx;
	uint32_t acl_tx;
	uint32_t acl_rx;
	uint32_t sco_tx;
	uint32_t sco_rx;
	uint32_t byte_rx;
	uint32_t byte_tx;
};

struct hci_dev_info {
	uint16_t dev_id;
	char     name[8];

	bdaddr_t bdaddr;

	uint32_t flags;
	uint8_t  type;

	uint8_t  features[8];

	uint32_t pkt_type;
	uint32_t link_policy;
	uint32_t link_mode;

	uint16_t acl_mtu;
	uint16_t acl_pkts;
	uint16_t sco_mtu;
	uint16_t sco_pkts;

	struct   hci_dev_stats stat;
};

struct hci_conn_info {
	uint16_t handle;
	bdaddr_t bdaddr;
	uint8_t  type;
	uint8_t	 out;
	uint16_t state;
	uint32_t link_mode;
};

struct hci_dev_req {
	uint16_t dev_id;
	uint32_t dev_opt;
};

struct hci_dev_list_req {
	uint16_t dev_num;
	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
};

struct hci_conn_list_req {
	uint16_t dev_id;
	uint16_t conn_num;
	struct hci_conn_info conn_info[0];
};

struct hci_conn_info_req {
	bdaddr_t bdaddr;
	uint8_t  type;
	struct hci_conn_info conn_info[0];
};

struct hci_inquiry_req {
	uint16_t dev_id;
	uint16_t flags;
	uint8_t  lap[3];
	uint8_t  length;
	uint8_t  num_rsp;
};
#define IREQ_CACHE_FLUSH 0x0001

struct hci_remotename_req {
	uint16_t dev_id;
	uint16_t flags;
	bdaddr_t bdaddr;
	uint8_t  name[248];
};

#ifdef __cplusplus
}
#endif

#endif /* __HCI_H */