hci.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2000-2001  Qualcomm Incorporated
 *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
 *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
 *
 *
 */

#ifndef __HCI_H
#define __HCI_H

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/socket.h>

#define HCI_MAX_DEV 16

#define HCI_MAX_AMP_SIZE    (1492 + 4)
#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_AMP_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 bus types */
#define HCI_VIRTUAL 0
#define HCI_USB     1
#define HCI_PCCARD  2
#define HCI_UART    3
#define HCI_RS232   4
#define HCI_PCI     5
#define HCI_SDIO    6
#define HCI_SPI     7
#define HCI_I2C     8
#define HCI_SMD     9
#define HCI_VIRTIO  10

/* HCI controller types */
#define HCI_PRIMARY 0x00
#define HCI_AMP     0x01
#define HCI_BREDR   HCI_PRIMARY

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

    HCI_PSCAN,
    HCI_ISCAN,
    HCI_AUTH,
    HCI_ENCRYPT,
    HCI_INQUIRY,

    HCI_RAW,
};

/* LE address type */
enum {
    LE_PUBLIC_ADDRESS = 0x00,
    LE_RANDOM_ADDRESS = 0x01
};

/* 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 HCIGETAUTHINFO  _IOR('H', 215, 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 HCIBLOCKADDR    _IOW('H', 230, int)
#define HCIUNBLOCKADDR  _IOW('H', 231, int)

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

#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_ISODATA_PKT     0x05
#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  (HCI_DM1 | HCI_DH1 | HCI_DM3 | HCI_DH3 | HCI_DM5 | HCI_DH5)

/* 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
#define HCI_EIR_TOO_LARGE           0x36
#define HCI_SIMPLE_PAIRING_NOT_SUPPORTED    0x37
#define HCI_HOST_BUSY_PAIRING           0x38

/* ACL flags */
#define ACL_START_NO_FLUSH  0x00
#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
#define ESCO_LINK   0x02

/* 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_NO_BREDR    0x20
#define LMP_LE      0x40
#define LMP_EDR_3SLOT   0x80

#define LMP_EDR_5SLOT   0x01
#define LMP_SNIFF_SUBR  0x02
#define LMP_PAUSE_ENC   0x04
#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_INQ 0x01
#define LMP_LE_BREDR    0x02
#define LMP_SIMPLE_PAIR 0x08
#define LMP_ENCAPS_PDU  0x10
#define LMP_ERR_DAT_REP 0x20
#define LMP_NFLUSH_PKTS 0x40

#define LMP_LSTO    0x01
#define LMP_INQ_TX_PWR  0x02
#define LMP_EPC     0x04
#define LMP_EXT_FEAT    0x80

/* Extended LMP features */
#define LMP_HOST_SSP        0x01
#define LMP_HOST_LE     0x02
#define LMP_HOST_LE_BREDR   0x04

/* 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

/* Link Key types */
#define HCI_LK_COMBINATION      0x00
#define HCI_LK_LOCAL_UNIT       0x01
#define HCI_LK_REMOTE_UNIT      0x02
#define HCI_LK_DEBUG_COMBINATION    0x03
#define HCI_LK_UNAUTH_COMBINATION   0x04
#define HCI_LK_AUTH_COMBINATION     0x05
#define HCI_LK_CHANGED_COMBINATION  0x06
#define HCI_LK_INVALID          0xFF

/* -----  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_CREATE_CONN_CANCEL      0x0008
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) create_conn_cancel_cp;
#define CREATE_CONN_CANCEL_CP_SIZE 6

#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_MASTER_LINK_KEY     0x0017
typedef struct {
    uint8_t     key_flag;
} __attribute__ ((packed)) master_link_key_cp;
#define MASTER_LINK_KEY_CP_SIZE 1

#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_REMOTE_NAME_REQ_CANCEL  0x001A
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) remote_name_req_cancel_cp;
#define REMOTE_NAME_REQ_CANCEL_CP_SIZE 6

#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_EXT_FEATURES    0x001C
typedef struct {
    uint16_t    handle;
    uint8_t     page_num;
} __attribute__ ((packed)) read_remote_ext_features_cp;
#define READ_REMOTE_EXT_FEATURES_CP_SIZE 3

#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

#define OCF_READ_LMP_HANDLE     0x0020

#define OCF_SETUP_SYNC_CONN     0x0028
typedef struct {
    uint16_t    handle;
    uint32_t    tx_bandwith;
    uint32_t    rx_bandwith;
    uint16_t    max_latency;
    uint16_t    voice_setting;
    uint8_t     retrans_effort;
    uint16_t    pkt_type;
} __attribute__ ((packed)) setup_sync_conn_cp;
#define SETUP_SYNC_CONN_CP_SIZE 17

#define OCF_ACCEPT_SYNC_CONN_REQ    0x0029
typedef struct {
    bdaddr_t    bdaddr;
    uint32_t    tx_bandwith;
    uint32_t    rx_bandwith;
    uint16_t    max_latency;
    uint16_t    voice_setting;
    uint8_t     retrans_effort;
    uint16_t    pkt_type;
} __attribute__ ((packed)) accept_sync_conn_req_cp;
#define ACCEPT_SYNC_CONN_REQ_CP_SIZE 21

#define OCF_REJECT_SYNC_CONN_REQ    0x002A
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     reason;
} __attribute__ ((packed)) reject_sync_conn_req_cp;
#define REJECT_SYNC_CONN_REQ_CP_SIZE 7

#define OCF_IO_CAPABILITY_REPLY     0x002B
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     capability;
    uint8_t     oob_data;
    uint8_t     authentication;
} __attribute__ ((packed)) io_capability_reply_cp;
#define IO_CAPABILITY_REPLY_CP_SIZE 9

#define OCF_USER_CONFIRM_REPLY      0x002C
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) user_confirm_reply_cp;
#define USER_CONFIRM_REPLY_CP_SIZE 6

#define OCF_USER_CONFIRM_NEG_REPLY  0x002D

#define OCF_USER_PASSKEY_REPLY      0x002E
typedef struct {
    bdaddr_t    bdaddr;
    uint32_t    passkey;
} __attribute__ ((packed)) user_passkey_reply_cp;
#define USER_PASSKEY_REPLY_CP_SIZE 10

#define OCF_USER_PASSKEY_NEG_REPLY  0x002F

#define OCF_REMOTE_OOB_DATA_REPLY   0x0030
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     hash[16];
    uint8_t     randomizer[16];
} __attribute__ ((packed)) remote_oob_data_reply_cp;
#define REMOTE_OOB_DATA_REPLY_CP_SIZE 38

#define OCF_REMOTE_OOB_DATA_NEG_REPLY   0x0033

#define OCF_IO_CAPABILITY_NEG_REPLY 0x0034
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     reason;
} __attribute__ ((packed)) io_capability_neg_reply_cp;
#define IO_CAPABILITY_NEG_REPLY_CP_SIZE 7

#define OCF_CREATE_PHYSICAL_LINK        0x0035
typedef struct {
    uint8_t     handle;
    uint8_t     key_length;
    uint8_t     key_type;
    uint8_t     key[32];
} __attribute__ ((packed)) create_physical_link_cp;
#define CREATE_PHYSICAL_LINK_CP_SIZE 35

#define OCF_ACCEPT_PHYSICAL_LINK        0x0036
typedef struct {
    uint8_t     handle;
    uint8_t     key_length;
    uint8_t     key_type;
    uint8_t     key[32];
} __attribute__ ((packed)) accept_physical_link_cp;
#define ACCEPT_PHYSICAL_LINK_CP_SIZE 35

#define OCF_DISCONNECT_PHYSICAL_LINK        0x0037
typedef struct {
    uint8_t     handle;
    uint8_t     reason;
} __attribute__ ((packed)) disconnect_physical_link_cp;
#define DISCONNECT_PHYSICAL_LINK_CP_SIZE 2

#define OCF_CREATE_LOGICAL_LINK     0x0038
typedef struct {
    uint8_t     handle;
    uint8_t     tx_flow[16];
    uint8_t     rx_flow[16];
} __attribute__ ((packed)) create_logical_link_cp;
#define CREATE_LOGICAL_LINK_CP_SIZE 33

#define OCF_ACCEPT_LOGICAL_LINK     0x0039

#define OCF_DISCONNECT_LOGICAL_LINK     0x003A
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) disconnect_logical_link_cp;
#define DISCONNECT_LOGICAL_LINK_CP_SIZE 2

#define OCF_LOGICAL_LINK_CANCEL     0x003B
typedef struct {
    uint8_t     handle;
    uint8_t     tx_flow_id;
} __attribute__ ((packed)) cancel_logical_link_cp;
#define LOGICAL_LINK_CANCEL_CP_SIZE 2
typedef struct {
    uint8_t     status;
    uint8_t     handle;
    uint8_t     tx_flow_id;
} __attribute__ ((packed)) cancel_logical_link_rp;
#define LOGICAL_LINK_CANCEL_RP_SIZE 3

#define OCF_FLOW_SPEC_MODIFY        0x003C

/* 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

#define OCF_READ_DEFAULT_LINK_POLICY    0x000E

#define OCF_WRITE_DEFAULT_LINK_POLICY   0x000F

#define OCF_FLOW_SPECIFICATION      0x0010

#define OCF_SNIFF_SUBRATING     0x0011
typedef struct {
    uint16_t    handle;
    uint16_t    max_latency;
    uint16_t    min_remote_timeout;
    uint16_t    min_local_timeout;
} __attribute__ ((packed)) sniff_subrating_cp;
#define SNIFF_SUBRATING_CP_SIZE 8

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

#define OCF_SET_EVENT_MASK      0x0001
typedef struct {
    uint8_t     mask[8];
} __attribute__ ((packed)) set_event_mask_cp;
#define SET_EVENT_MASK_CP_SIZE 8

#define OCF_RESET           0x0003

#define OCF_SET_EVENT_FLT       0x0005
typedef struct {
    uint8_t     flt_type;
    uint8_t     cond_type;
    uint8_t     condition[];
} __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
/* INQ_RESULT Condition types */
#define INQ_RESULT_RETURN_ALL       0x00
#define INQ_RESULT_RETURN_CLASS     0x01
#define INQ_RESULT_RETURN_BDADDR    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_FLUSH           0x0008

#define OCF_READ_PIN_TYPE       0x0009
typedef struct {
    uint8_t     status;
    uint8_t     pin_type;
} __attribute__ ((packed)) read_pin_type_rp;
#define READ_PIN_TYPE_RP_SIZE 2

#define OCF_WRITE_PIN_TYPE      0x000A
typedef struct {
    uint8_t     pin_type;
} __attribute__ ((packed)) write_pin_type_cp;
#define WRITE_PIN_TYPE_CP_SIZE 1

#define OCF_CREATE_NEW_UNIT_KEY     0x000B

#define OCF_READ_STORED_LINK_KEY    0x000D
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     read_all;
} __attribute__ ((packed)) read_stored_link_key_cp;
#define READ_STORED_LINK_KEY_CP_SIZE 7
typedef struct {
    uint8_t     status;
    uint16_t    max_keys;
    uint16_t    num_keys;
} __attribute__ ((packed)) read_stored_link_key_rp;
#define READ_STORED_LINK_KEY_RP_SIZE 5

#define OCF_WRITE_STORED_LINK_KEY   0x0011
typedef struct {
    uint8_t     num_keys;
    /* variable length part */
} __attribute__ ((packed)) write_stored_link_key_cp;
#define WRITE_STORED_LINK_KEY_CP_SIZE 1
typedef struct {
    uint8_t     status;
    uint8_t     num_keys;
} __attribute__ ((packed)) write_stored_link_key_rp;
#define READ_WRITE_LINK_KEY_RP_SIZE 2

#define OCF_DELETE_STORED_LINK_KEY  0x0012
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     delete_all;
} __attribute__ ((packed)) delete_stored_link_key_cp;
#define DELETE_STORED_LINK_KEY_CP_SIZE 7
typedef struct {
    uint8_t     status;
    uint16_t    num_keys;
} __attribute__ ((packed)) delete_stored_link_key_rp;
#define DELETE_STORED_LINK_KEY_RP_SIZE 3

#define HCI_MAX_NAME_LENGTH     248

#define OCF_CHANGE_LOCAL_NAME       0x0013
typedef struct {
    uint8_t     name[HCI_MAX_NAME_LENGTH];
} __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[HCI_MAX_NAME_LENGTH];
} __attribute__ ((packed)) read_local_name_rp;
#define READ_LOCAL_NAME_RP_SIZE 249

#define OCF_READ_CONN_ACCEPT_TIMEOUT    0x0015
typedef struct {
    uint8_t     status;
    uint16_t    timeout;
} __attribute__ ((packed)) read_conn_accept_timeout_rp;
#define READ_CONN_ACCEPT_TIMEOUT_RP_SIZE 3

#define OCF_WRITE_CONN_ACCEPT_TIMEOUT   0x0016
typedef struct {
    uint16_t    timeout;
} __attribute__ ((packed)) write_conn_accept_timeout_cp;
#define WRITE_CONN_ACCEPT_TIMEOUT_CP_SIZE 2

#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_READ_SCAN_ENABLE        0x0019
typedef struct {
    uint8_t     status;
    uint8_t     enable;
} __attribute__ ((packed)) read_scan_enable_rp;
#define READ_SCAN_ENABLE_RP_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_AUTOMATIC_FLUSH_TIMEOUT    0x0027

#define OCF_WRITE_AUTOMATIC_FLUSH_TIMEOUT   0x0028

#define OCF_READ_NUM_BROADCAST_RETRANS  0x0029

#define OCF_WRITE_NUM_BROADCAST_RETRANS 0x002A

#define OCF_READ_HOLD_MODE_ACTIVITY 0x002B

#define OCF_WRITE_HOLD_MODE_ACTIVITY    0x002C

#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_READ_SYNC_FLOW_ENABLE   0x002E

#define OCF_WRITE_SYNC_FLOW_ENABLE  0x002F

#define OCF_SET_CONTROLLER_TO_HOST_FC   0x0031

#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_HOST_NUM_COMP_PKTS      0x0035
typedef struct {
    uint8_t     num_hndl;
    /* variable length part */
} __attribute__ ((packed)) host_num_comp_pkts_cp;
#define HOST_NUM_COMP_PKTS_CP_SIZE 1

#define OCF_READ_LINK_SUPERVISION_TIMEOUT   0x0036
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint16_t    timeout;
} __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    timeout;
} __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 OCF_READ_NUM_SUPPORTED_IAC  0x0038

#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[MAX_IAC_LAP][3];
} __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[MAX_IAC_LAP][3];
} __attribute__ ((packed)) write_current_iac_lap_cp;
#define WRITE_CURRENT_IAC_LAP_CP_SIZE 1+3*MAX_IAC_LAP

#define OCF_READ_PAGE_SCAN_PERIOD_MODE  0x003B

#define OCF_WRITE_PAGE_SCAN_PERIOD_MODE 0x003C

#define OCF_READ_PAGE_SCAN_MODE     0x003D

#define OCF_WRITE_PAGE_SCAN_MODE    0x003E

#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_SCAN_TYPE  0x0042
typedef struct {
    uint8_t     status;
    uint8_t     type;
} __attribute__ ((packed)) read_inquiry_scan_type_rp;
#define READ_INQUIRY_SCAN_TYPE_RP_SIZE 2

#define OCF_WRITE_INQUIRY_SCAN_TYPE 0x0043
typedef struct {
    uint8_t     type;
} __attribute__ ((packed)) write_inquiry_scan_type_cp;
#define WRITE_INQUIRY_SCAN_TYPE_CP_SIZE 1
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_inquiry_scan_type_rp;
#define WRITE_INQUIRY_SCAN_TYPE_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_PAGE_SCAN_TYPE     0x0046

#define OCF_WRITE_PAGE_SCAN_TYPE    0x0047
    #define PAGE_SCAN_TYPE_STANDARD     0x00
    #define PAGE_SCAN_TYPE_INTERLACED   0x01

#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

#define HCI_MAX_EIR_LENGTH      240

#define OCF_READ_EXT_INQUIRY_RESPONSE   0x0051
typedef struct {
    uint8_t     status;
    uint8_t     fec;
    uint8_t     data[HCI_MAX_EIR_LENGTH];
} __attribute__ ((packed)) read_ext_inquiry_response_rp;
#define READ_EXT_INQUIRY_RESPONSE_RP_SIZE 242

#define OCF_WRITE_EXT_INQUIRY_RESPONSE  0x0052
typedef struct {
    uint8_t     fec;
    uint8_t     data[HCI_MAX_EIR_LENGTH];
} __attribute__ ((packed)) write_ext_inquiry_response_cp;
#define WRITE_EXT_INQUIRY_RESPONSE_CP_SIZE 241
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_ext_inquiry_response_rp;
#define WRITE_EXT_INQUIRY_RESPONSE_RP_SIZE 1

#define OCF_REFRESH_ENCRYPTION_KEY  0x0053
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) refresh_encryption_key_cp;
#define REFRESH_ENCRYPTION_KEY_CP_SIZE 2
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) refresh_encryption_key_rp;
#define REFRESH_ENCRYPTION_KEY_RP_SIZE 1

#define OCF_READ_SIMPLE_PAIRING_MODE    0x0055
typedef struct {
    uint8_t     status;
    uint8_t     mode;
} __attribute__ ((packed)) read_simple_pairing_mode_rp;
#define READ_SIMPLE_PAIRING_MODE_RP_SIZE 2

#define OCF_WRITE_SIMPLE_PAIRING_MODE   0x0056
typedef struct {
    uint8_t     mode;
} __attribute__ ((packed)) write_simple_pairing_mode_cp;
#define WRITE_SIMPLE_PAIRING_MODE_CP_SIZE 1
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_simple_pairing_mode_rp;
#define WRITE_SIMPLE_PAIRING_MODE_RP_SIZE 1

#define OCF_READ_LOCAL_OOB_DATA     0x0057
typedef struct {
    uint8_t     status;
    uint8_t     hash[16];
    uint8_t     randomizer[16];
} __attribute__ ((packed)) read_local_oob_data_rp;
#define READ_LOCAL_OOB_DATA_RP_SIZE 33

#define OCF_READ_INQ_RESPONSE_TX_POWER_LEVEL    0x0058
typedef struct {
    uint8_t     status;
    int8_t      level;
} __attribute__ ((packed)) read_inq_response_tx_power_level_rp;
#define READ_INQ_RESPONSE_TX_POWER_LEVEL_RP_SIZE 2

#define OCF_READ_INQUIRY_TRANSMIT_POWER_LEVEL   0x0058
typedef struct {
    uint8_t     status;
    int8_t      level;
} __attribute__ ((packed)) read_inquiry_transmit_power_level_rp;
#define READ_INQUIRY_TRANSMIT_POWER_LEVEL_RP_SIZE 2

#define OCF_WRITE_INQUIRY_TRANSMIT_POWER_LEVEL  0x0059
typedef struct {
    int8_t      level;
} __attribute__ ((packed)) write_inquiry_transmit_power_level_cp;
#define WRITE_INQUIRY_TRANSMIT_POWER_LEVEL_CP_SIZE 1
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_inquiry_transmit_power_level_rp;
#define WRITE_INQUIRY_TRANSMIT_POWER_LEVEL_RP_SIZE 1

#define OCF_READ_DEFAULT_ERROR_DATA_REPORTING   0x005A
typedef struct {
    uint8_t     status;
    uint8_t     reporting;
} __attribute__ ((packed)) read_default_error_data_reporting_rp;
#define READ_DEFAULT_ERROR_DATA_REPORTING_RP_SIZE 2

#define OCF_WRITE_DEFAULT_ERROR_DATA_REPORTING  0x005B
typedef struct {
    uint8_t     reporting;
} __attribute__ ((packed)) write_default_error_data_reporting_cp;
#define WRITE_DEFAULT_ERROR_DATA_REPORTING_CP_SIZE 1
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_default_error_data_reporting_rp;
#define WRITE_DEFAULT_ERROR_DATA_REPORTING_RP_SIZE 1

#define OCF_ENHANCED_FLUSH      0x005F
typedef struct {
    uint16_t    handle;
    uint8_t     type;
} __attribute__ ((packed)) enhanced_flush_cp;
#define ENHANCED_FLUSH_CP_SIZE 3

#define OCF_SEND_KEYPRESS_NOTIFY    0x0060
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     type;
} __attribute__ ((packed)) send_keypress_notify_cp;
#define SEND_KEYPRESS_NOTIFY_CP_SIZE 7
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) send_keypress_notify_rp;
#define SEND_KEYPRESS_NOTIFY_RP_SIZE 1

#define OCF_READ_LOGICAL_LINK_ACCEPT_TIMEOUT     0x0061
typedef struct {
    uint8_t     status;
    uint16_t    timeout;
} __attribute__ ((packed)) read_log_link_accept_timeout_rp;
#define READ_LOGICAL_LINK_ACCEPT_TIMEOUT_RP_SIZE 3

#define OCF_WRITE_LOGICAL_LINK_ACCEPT_TIMEOUT   0x0062
typedef struct {
    uint16_t    timeout;
} __attribute__ ((packed)) write_log_link_accept_timeout_cp;
#define WRITE_LOGICAL_LINK_ACCEPT_TIMEOUT_CP_SIZE 2

#define OCF_SET_EVENT_MASK_PAGE_2   0x0063

#define OCF_READ_LOCATION_DATA      0x0064

#define OCF_WRITE_LOCATION_DATA 0x0065

#define OCF_READ_FLOW_CONTROL_MODE  0x0066

#define OCF_WRITE_FLOW_CONTROL_MODE 0x0067

#define OCF_READ_ENHANCED_TRANSMIT_POWER_LEVEL  0x0068
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    int8_t      level_gfsk;
    int8_t      level_dqpsk;
    int8_t      level_8dpsk;
} __attribute__ ((packed)) read_enhanced_transmit_power_level_rp;
#define READ_ENHANCED_TRANSMIT_POWER_LEVEL_RP_SIZE 6

#define OCF_READ_BEST_EFFORT_FLUSH_TIMEOUT  0x0069
typedef struct {
    uint8_t     status;
    uint32_t    timeout;
} __attribute__ ((packed)) read_best_effort_flush_timeout_rp;
#define READ_BEST_EFFORT_FLUSH_TIMEOUT_RP_SIZE 5

#define OCF_WRITE_BEST_EFFORT_FLUSH_TIMEOUT 0x006A
typedef struct {
    uint16_t    handle;
    uint32_t    timeout;
} __attribute__ ((packed)) write_best_effort_flush_timeout_cp;
#define WRITE_BEST_EFFORT_FLUSH_TIMEOUT_CP_SIZE 6
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_best_effort_flush_timeout_rp;
#define WRITE_BEST_EFFORT_FLUSH_TIMEOUT_RP_SIZE 1

#define OCF_READ_LE_HOST_SUPPORTED  0x006C
typedef struct {
    uint8_t     status;
    uint8_t     le;
    uint8_t     simul;
} __attribute__ ((packed)) read_le_host_supported_rp;
#define READ_LE_HOST_SUPPORTED_RP_SIZE 3

#define OCF_WRITE_LE_HOST_SUPPORTED 0x006D
typedef struct {
    uint8_t     le;
    uint8_t     simul;
} __attribute__ ((packed)) write_le_host_supported_cp;
#define WRITE_LE_HOST_SUPPORTED_CP_SIZE 2

/* 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_COMMANDS     0x0002
typedef struct {
    uint8_t     status;
    uint8_t     commands[64];
} __attribute__ ((packed)) read_local_commands_rp;
#define READ_LOCAL_COMMANDS_RP_SIZE 65

#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_LOCAL_EXT_FEATURES 0x0004
typedef struct {
    uint8_t     page_num;
} __attribute__ ((packed)) read_local_ext_features_cp;
#define READ_LOCAL_EXT_FEATURES_CP_SIZE 1
typedef struct {
    uint8_t     status;
    uint8_t     page_num;
    uint8_t     max_page_num;
    uint8_t     features[8];
} __attribute__ ((packed)) read_local_ext_features_rp;
#define READ_LOCAL_EXT_FEATURES_RP_SIZE 11

#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_COUNTRY_CODE       0x0007

#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

#define OCF_READ_DATA_BLOCK_SIZE    0x000A
typedef struct {
    uint8_t     status;
    uint16_t    max_acl_len;
    uint16_t    data_block_len;
    uint16_t    num_blocks;
} __attribute__ ((packed)) read_data_block_size_rp;

/* 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 3

#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

#define OCF_READ_LOCAL_AMP_INFO 0x0009
typedef struct {
    uint8_t     status;
    uint8_t     amp_status;
    uint32_t    total_bandwidth;
    uint32_t    max_guaranteed_bandwidth;
    uint32_t    min_latency;
    uint32_t    max_pdu_size;
    uint8_t     controller_type;
    uint16_t    pal_caps;
    uint16_t    max_amp_assoc_length;
    uint32_t    max_flush_timeout;
    uint32_t    best_effort_flush_timeout;
} __attribute__ ((packed)) read_local_amp_info_rp;
#define READ_LOCAL_AMP_INFO_RP_SIZE 31

#define OCF_READ_LOCAL_AMP_ASSOC    0x000A
typedef struct {
    uint8_t     handle;
    uint16_t    length_so_far;
    uint16_t    assoc_length;
} __attribute__ ((packed)) read_local_amp_assoc_cp;
#define READ_LOCAL_AMP_ASSOC_CP_SIZE 5
typedef struct {
    uint8_t     status;
    uint8_t     handle;
    uint16_t    length;
    uint8_t     fragment[HCI_MAX_NAME_LENGTH];
} __attribute__ ((packed)) read_local_amp_assoc_rp;
#define READ_LOCAL_AMP_ASSOC_RP_SIZE 252

#define OCF_WRITE_REMOTE_AMP_ASSOC  0x000B
typedef struct {
    uint8_t     handle;
    uint16_t    length_so_far;
    uint16_t    remaining_length;
    uint8_t     fragment[HCI_MAX_NAME_LENGTH];
} __attribute__ ((packed)) write_remote_amp_assoc_cp;
#define WRITE_REMOTE_AMP_ASSOC_CP_SIZE 253
typedef struct {
    uint8_t     status;
    uint8_t     handle;
} __attribute__ ((packed)) write_remote_amp_assoc_rp;
#define WRITE_REMOTE_AMP_ASSOC_RP_SIZE 2

/* Testing commands */
#define OGF_TESTING_CMD     0x3e

#define OCF_READ_LOOPBACK_MODE          0x0001

#define OCF_WRITE_LOOPBACK_MODE         0x0002

#define OCF_ENABLE_DEVICE_UNDER_TEST_MODE   0x0003

#define OCF_WRITE_SIMPLE_PAIRING_DEBUG_MODE 0x0004
typedef struct {
    uint8_t     mode;
} __attribute__ ((packed)) write_simple_pairing_debug_mode_cp;
#define WRITE_SIMPLE_PAIRING_DEBUG_MODE_CP_SIZE 1
typedef struct {
    uint8_t     status;
} __attribute__ ((packed)) write_simple_pairing_debug_mode_rp;
#define WRITE_SIMPLE_PAIRING_DEBUG_MODE_RP_SIZE 1

/* LE commands */
#define OGF_LE_CTL      0x08

#define OCF_LE_SET_EVENT_MASK           0x0001
typedef struct {
    uint8_t     mask[8];
} __attribute__ ((packed)) le_set_event_mask_cp;
#define LE_SET_EVENT_MASK_CP_SIZE 8

#define OCF_LE_READ_BUFFER_SIZE         0x0002
typedef struct {
    uint8_t     status;
    uint16_t    pkt_len;
    uint8_t     max_pkt;
} __attribute__ ((packed)) le_read_buffer_size_rp;
#define LE_READ_BUFFER_SIZE_RP_SIZE 4

#define OCF_LE_READ_LOCAL_SUPPORTED_FEATURES    0x0003
typedef struct {
    uint8_t     status;
    uint8_t     features[8];
} __attribute__ ((packed)) le_read_local_supported_features_rp;
#define LE_READ_LOCAL_SUPPORTED_FEATURES_RP_SIZE 9

#define OCF_LE_SET_RANDOM_ADDRESS       0x0005
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) le_set_random_address_cp;
#define LE_SET_RANDOM_ADDRESS_CP_SIZE 6

#define OCF_LE_SET_ADVERTISING_PARAMETERS   0x0006
typedef struct {
    uint16_t    min_interval;
    uint16_t    max_interval;
    uint8_t     advtype;
    uint8_t     own_bdaddr_type;
    uint8_t     direct_bdaddr_type;
    bdaddr_t    direct_bdaddr;
    uint8_t     chan_map;
    uint8_t     filter;
} __attribute__ ((packed)) le_set_advertising_parameters_cp;
#define LE_SET_ADVERTISING_PARAMETERS_CP_SIZE 15

#define OCF_LE_READ_ADVERTISING_CHANNEL_TX_POWER    0x0007
typedef struct {
    uint8_t     status;
    int8_t      level;
} __attribute__ ((packed)) le_read_advertising_channel_tx_power_rp;
#define LE_READ_ADVERTISING_CHANNEL_TX_POWER_RP_SIZE 2

#define OCF_LE_SET_ADVERTISING_DATA     0x0008
typedef struct {
    uint8_t     length;
    uint8_t     data[31];
} __attribute__ ((packed)) le_set_advertising_data_cp;
#define LE_SET_ADVERTISING_DATA_CP_SIZE 32

#define OCF_LE_SET_SCAN_RESPONSE_DATA       0x0009
typedef struct {
    uint8_t     length;
    uint8_t     data[31];
} __attribute__ ((packed)) le_set_scan_response_data_cp;
#define LE_SET_SCAN_RESPONSE_DATA_CP_SIZE 32

#define OCF_LE_SET_ADVERTISE_ENABLE     0x000A
typedef struct {
    uint8_t     enable;
} __attribute__ ((packed)) le_set_advertise_enable_cp;
#define LE_SET_ADVERTISE_ENABLE_CP_SIZE 1

#define OCF_LE_SET_SCAN_PARAMETERS      0x000B
typedef struct {
    uint8_t     type;
    uint16_t    interval;
    uint16_t    window;
    uint8_t     own_bdaddr_type;
    uint8_t     filter;
} __attribute__ ((packed)) le_set_scan_parameters_cp;
#define LE_SET_SCAN_PARAMETERS_CP_SIZE 7

#define OCF_LE_SET_SCAN_ENABLE          0x000C
typedef struct {
    uint8_t     enable;
    uint8_t     filter_dup;
} __attribute__ ((packed)) le_set_scan_enable_cp;
#define LE_SET_SCAN_ENABLE_CP_SIZE 2

#define OCF_LE_CREATE_CONN          0x000D
typedef struct {
    uint16_t    interval;
    uint16_t    window;
    uint8_t     initiator_filter;
    uint8_t     peer_bdaddr_type;
    bdaddr_t    peer_bdaddr;
    uint8_t     own_bdaddr_type;
    uint16_t    min_interval;
    uint16_t    max_interval;
    uint16_t    latency;
    uint16_t    supervision_timeout;
    uint16_t    min_ce_length;
    uint16_t    max_ce_length;
} __attribute__ ((packed)) le_create_connection_cp;
#define LE_CREATE_CONN_CP_SIZE 25

#define OCF_LE_CREATE_CONN_CANCEL       0x000E

#define OCF_LE_READ_WHITE_LIST_SIZE     0x000F
typedef struct {
    uint8_t     status;
    uint8_t     size;
} __attribute__ ((packed)) le_read_white_list_size_rp;
#define LE_READ_WHITE_LIST_SIZE_RP_SIZE 2

#define OCF_LE_CLEAR_WHITE_LIST         0x0010

#define OCF_LE_ADD_DEVICE_TO_WHITE_LIST     0x0011
typedef struct {
    uint8_t     bdaddr_type;
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) le_add_device_to_white_list_cp;
#define LE_ADD_DEVICE_TO_WHITE_LIST_CP_SIZE 7

#define OCF_LE_REMOVE_DEVICE_FROM_WHITE_LIST    0x0012
typedef struct {
    uint8_t     bdaddr_type;
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) le_remove_device_from_white_list_cp;
#define LE_REMOVE_DEVICE_FROM_WHITE_LIST_CP_SIZE 7

#define OCF_LE_CONN_UPDATE          0x0013
typedef struct {
    uint16_t    handle;
    uint16_t    min_interval;
    uint16_t    max_interval;
    uint16_t    latency;
    uint16_t    supervision_timeout;
    uint16_t    min_ce_length;
    uint16_t    max_ce_length;
} __attribute__ ((packed)) le_connection_update_cp;
#define LE_CONN_UPDATE_CP_SIZE 14

#define OCF_LE_SET_HOST_CHANNEL_CLASSIFICATION  0x0014
typedef struct {
    uint8_t     map[5];
} __attribute__ ((packed)) le_set_host_channel_classification_cp;
#define LE_SET_HOST_CHANNEL_CLASSIFICATION_CP_SIZE 5

#define OCF_LE_READ_CHANNEL_MAP         0x0015
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) le_read_channel_map_cp;
#define LE_READ_CHANNEL_MAP_CP_SIZE 2
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     map[5];
} __attribute__ ((packed)) le_read_channel_map_rp;
#define LE_READ_CHANNEL_MAP_RP_SIZE 8

#define OCF_LE_READ_REMOTE_USED_FEATURES    0x0016
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) le_read_remote_used_features_cp;
#define LE_READ_REMOTE_USED_FEATURES_CP_SIZE 2

#define OCF_LE_ENCRYPT              0x0017
typedef struct {
    uint8_t     key[16];
    uint8_t     plaintext[16];
} __attribute__ ((packed)) le_encrypt_cp;
#define LE_ENCRYPT_CP_SIZE 32
typedef struct {
    uint8_t     status;
    uint8_t     data[16];
} __attribute__ ((packed)) le_encrypt_rp;
#define LE_ENCRYPT_RP_SIZE 17

#define OCF_LE_RAND             0x0018
typedef struct {
    uint8_t     status;
    uint64_t    random;
} __attribute__ ((packed)) le_rand_rp;
#define LE_RAND_RP_SIZE 9

#define OCF_LE_START_ENCRYPTION         0x0019
typedef struct {
    uint16_t    handle;
    uint64_t    random;
    uint16_t    diversifier;
    uint8_t     key[16];
} __attribute__ ((packed)) le_start_encryption_cp;
#define LE_START_ENCRYPTION_CP_SIZE 28

#define OCF_LE_LTK_REPLY            0x001A
typedef struct {
    uint16_t    handle;
    uint8_t     key[16];
} __attribute__ ((packed)) le_ltk_reply_cp;
#define LE_LTK_REPLY_CP_SIZE 18
typedef struct {
    uint8_t     status;
    uint16_t    handle;
} __attribute__ ((packed)) le_ltk_reply_rp;
#define LE_LTK_REPLY_RP_SIZE 3

#define OCF_LE_LTK_NEG_REPLY            0x001B
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) le_ltk_neg_reply_cp;
#define LE_LTK_NEG_REPLY_CP_SIZE 2
typedef struct {
    uint8_t     status;
    uint16_t    handle;
} __attribute__ ((packed)) le_ltk_neg_reply_rp;
#define LE_LTK_NEG_REPLY_RP_SIZE 3

#define OCF_LE_READ_SUPPORTED_STATES        0x001C
typedef struct {
    uint8_t     status;
    uint64_t    states;
} __attribute__ ((packed)) le_read_supported_states_rp;
#define LE_READ_SUPPORTED_STATES_RP_SIZE 9

#define OCF_LE_RECEIVER_TEST            0x001D
typedef struct {
    uint8_t     frequency;
} __attribute__ ((packed)) le_receiver_test_cp;
#define LE_RECEIVER_TEST_CP_SIZE 1

#define OCF_LE_TRANSMITTER_TEST         0x001E
typedef struct {
    uint8_t     frequency;
    uint8_t     length;
    uint8_t     payload;
} __attribute__ ((packed)) le_transmitter_test_cp;
#define LE_TRANSMITTER_TEST_CP_SIZE 3

#define OCF_LE_TEST_END             0x001F
typedef struct {
    uint8_t     status;
    uint16_t    num_pkts;
} __attribute__ ((packed)) le_test_end_rp;
#define LE_TEST_END_RP_SIZE 3

#define OCF_LE_ADD_DEVICE_TO_RESOLV_LIST    0x0027
typedef struct {
    uint8_t     bdaddr_type;
    bdaddr_t    bdaddr;
    uint8_t     peer_irk[16];
    uint8_t     local_irk[16];
} __attribute__ ((packed)) le_add_device_to_resolv_list_cp;
#define LE_ADD_DEVICE_TO_RESOLV_LIST_CP_SIZE 39

#define OCF_LE_REMOVE_DEVICE_FROM_RESOLV_LIST   0x0028
typedef struct {
    uint8_t     bdaddr_type;
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) le_remove_device_from_resolv_list_cp;
#define LE_REMOVE_DEVICE_FROM_RESOLV_LIST_CP_SIZE 7

#define OCF_LE_CLEAR_RESOLV_LIST        0x0029

#define OCF_LE_READ_RESOLV_LIST_SIZE        0x002A
typedef struct {
    uint8_t     status;
    uint8_t     size;
} __attribute__ ((packed)) le_read_resolv_list_size_rp;
#define LE_READ_RESOLV_LIST_SIZE_RP_SIZE 2

#define OCF_LE_SET_ADDRESS_RESOLUTION_ENABLE    0x002D
typedef struct {
    uint8_t     enable;
} __attribute__ ((packed)) le_set_address_resolution_enable_cp;
#define LE_SET_ADDRESS_RESOLUTION_ENABLE_CP_SIZE 1

/* 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 11

#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[HCI_MAX_NAME_LENGTH];
} __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 4

#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_MASTER_LINK_KEY_COMPLETE        0x0A
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     key_flag;
} __attribute__ ((packed)) evt_master_link_key_complete;
#define EVT_MASTER_LINK_KEY_COMPLETE_SIZE 4

#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_HARDWARE_ERROR      0x10
typedef struct {
    uint8_t     code;
} __attribute__ ((packed)) evt_hardware_error;
#define EVT_HARDWARE_ERROR_SIZE 1

#define EVT_FLUSH_OCCURRED      0x11
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) evt_flush_occured;
#define EVT_FLUSH_OCCURRED_SIZE 2

#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_RETURN_LINK_KEYS        0x15
typedef struct {
    uint8_t     num_keys;
    /* variable length part */
} __attribute__ ((packed)) evt_return_link_keys;
#define EVT_RETURN_LINK_KEYS_SIZE 1

#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_LOOPBACK_COMMAND        0x19

#define EVT_DATA_BUFFER_OVERFLOW    0x1A
typedef struct {
    uint8_t     link_type;
} __attribute__ ((packed)) evt_data_buffer_overflow;
#define EVT_DATA_BUFFER_OVERFLOW_SIZE 1

#define EVT_MAX_SLOTS_CHANGE        0x1B
typedef struct {
    uint16_t    handle;
    uint8_t     max_slots;
} __attribute__ ((packed)) evt_max_slots_change;
#define EVT_MAX_SLOTS_CHANGE_SIZE 3

#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_PSCAN_REP_MODE_CHANGE   0x20
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     pscan_rep_mode;
} __attribute__ ((packed)) evt_pscan_rep_mode_change;
#define EVT_PSCAN_REP_MODE_CHANGE_SIZE 7

#define EVT_FLOW_SPEC_COMPLETE      0x21
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     flags;
    uint8_t     direction;
    hci_qos     qos;
} __attribute__ ((packed)) evt_flow_spec_complete;
#define EVT_FLOW_SPEC_COMPLETE_SIZE (5 + HCI_QOS_CP_SIZE)

#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
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;
    int8_t      rssi;
} __attribute__ ((packed)) inquiry_info_with_rssi_and_pscan_mode;
#define INQUIRY_INFO_WITH_RSSI_AND_PSCAN_MODE_SIZE 15

#define EVT_READ_REMOTE_EXT_FEATURES_COMPLETE   0x23
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     page_num;
    uint8_t     max_page_num;
    uint8_t     features[8];
} __attribute__ ((packed)) evt_read_remote_ext_features_complete;
#define EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE 13

#define EVT_SYNC_CONN_COMPLETE      0x2C
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    bdaddr_t    bdaddr;
    uint8_t     link_type;
    uint8_t     trans_interval;
    uint8_t     retrans_window;
    uint16_t    rx_pkt_len;
    uint16_t    tx_pkt_len;
    uint8_t     air_mode;
} __attribute__ ((packed)) evt_sync_conn_complete;
#define EVT_SYNC_CONN_COMPLETE_SIZE 17

#define EVT_SYNC_CONN_CHANGED       0x2D
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     trans_interval;
    uint8_t     retrans_window;
    uint16_t    rx_pkt_len;
    uint16_t    tx_pkt_len;
} __attribute__ ((packed)) evt_sync_conn_changed;
#define EVT_SYNC_CONN_CHANGED_SIZE 9

#define EVT_SNIFF_SUBRATING     0x2E
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint16_t    max_tx_latency;
    uint16_t    max_rx_latency;
    uint16_t    min_remote_timeout;
    uint16_t    min_local_timeout;
} __attribute__ ((packed)) evt_sniff_subrating;
#define EVT_SNIFF_SUBRATING_SIZE 11

#define EVT_EXTENDED_INQUIRY_RESULT 0x2F
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;
    uint8_t     data[HCI_MAX_EIR_LENGTH];
} __attribute__ ((packed)) extended_inquiry_info;
#define EXTENDED_INQUIRY_INFO_SIZE 254

#define EVT_ENCRYPTION_KEY_REFRESH_COMPLETE 0x30
typedef struct {
    uint8_t     status;
    uint16_t    handle;
} __attribute__ ((packed)) evt_encryption_key_refresh_complete;
#define EVT_ENCRYPTION_KEY_REFRESH_COMPLETE_SIZE 3

#define EVT_IO_CAPABILITY_REQUEST   0x31
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) evt_io_capability_request;
#define EVT_IO_CAPABILITY_REQUEST_SIZE 6

#define EVT_IO_CAPABILITY_RESPONSE  0x32
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     capability;
    uint8_t     oob_data;
    uint8_t     authentication;
} __attribute__ ((packed)) evt_io_capability_response;
#define EVT_IO_CAPABILITY_RESPONSE_SIZE 9

#define EVT_USER_CONFIRM_REQUEST    0x33
typedef struct {
    bdaddr_t    bdaddr;
    uint32_t    passkey;
} __attribute__ ((packed)) evt_user_confirm_request;
#define EVT_USER_CONFIRM_REQUEST_SIZE 10

#define EVT_USER_PASSKEY_REQUEST    0x34
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) evt_user_passkey_request;
#define EVT_USER_PASSKEY_REQUEST_SIZE 6

#define EVT_REMOTE_OOB_DATA_REQUEST 0x35
typedef struct {
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) evt_remote_oob_data_request;
#define EVT_REMOTE_OOB_DATA_REQUEST_SIZE 6

#define EVT_SIMPLE_PAIRING_COMPLETE 0x36
typedef struct {
    uint8_t     status;
    bdaddr_t    bdaddr;
} __attribute__ ((packed)) evt_simple_pairing_complete;
#define EVT_SIMPLE_PAIRING_COMPLETE_SIZE 7

#define EVT_LINK_SUPERVISION_TIMEOUT_CHANGED    0x38
typedef struct {
    uint16_t    handle;
    uint16_t    timeout;
} __attribute__ ((packed)) evt_link_supervision_timeout_changed;
#define EVT_LINK_SUPERVISION_TIMEOUT_CHANGED_SIZE 4

#define EVT_ENHANCED_FLUSH_COMPLETE 0x39
typedef struct {
    uint16_t    handle;
} __attribute__ ((packed)) evt_enhanced_flush_complete;
#define EVT_ENHANCED_FLUSH_COMPLETE_SIZE 2

#define EVT_USER_PASSKEY_NOTIFY     0x3B
typedef struct {
    bdaddr_t    bdaddr;
    uint32_t    passkey;
} __attribute__ ((packed)) evt_user_passkey_notify;
#define EVT_USER_PASSKEY_NOTIFY_SIZE 10

#define EVT_KEYPRESS_NOTIFY     0x3C
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     type;
} __attribute__ ((packed)) evt_keypress_notify;
#define EVT_KEYPRESS_NOTIFY_SIZE 7

#define EVT_REMOTE_HOST_FEATURES_NOTIFY 0x3D
typedef struct {
    bdaddr_t    bdaddr;
    uint8_t     features[8];
} __attribute__ ((packed)) evt_remote_host_features_notify;
#define EVT_REMOTE_HOST_FEATURES_NOTIFY_SIZE 14

#define EVT_LE_META_EVENT   0x3E
typedef struct {
    uint8_t     subevent;
    uint8_t     data[];
} __attribute__ ((packed)) evt_le_meta_event;
#define EVT_LE_META_EVENT_SIZE 1

#define EVT_LE_CONN_COMPLETE    0x01
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     role;
    uint8_t     peer_bdaddr_type;
    bdaddr_t    peer_bdaddr;
    uint16_t    interval;
    uint16_t    latency;
    uint16_t    supervision_timeout;
    uint8_t     master_clock_accuracy;
} __attribute__ ((packed)) evt_le_connection_complete;
#define EVT_LE_CONN_COMPLETE_SIZE 18

#define EVT_LE_ADVERTISING_REPORT   0x02
typedef struct {
    uint8_t     evt_type;
    uint8_t     bdaddr_type;
    bdaddr_t    bdaddr;
    uint8_t     length;
    uint8_t     data[];
} __attribute__ ((packed)) le_advertising_info;
#define LE_ADVERTISING_INFO_SIZE 9

#define EVT_LE_CONN_UPDATE_COMPLETE 0x03
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint16_t    interval;
    uint16_t    latency;
    uint16_t    supervision_timeout;
} __attribute__ ((packed)) evt_le_connection_update_complete;
#define EVT_LE_CONN_UPDATE_COMPLETE_SIZE 9

#define EVT_LE_READ_REMOTE_USED_FEATURES_COMPLETE   0x04
typedef struct {
    uint8_t     status;
    uint16_t    handle;
    uint8_t     features[8];
} __attribute__ ((packed)) evt_le_read_remote_used_features_complete;
#define EVT_LE_READ_REMOTE_USED_FEATURES_COMPLETE_SIZE 11

#define EVT_LE_LTK_REQUEST  0x05
typedef struct {
    uint16_t    handle;
    uint64_t    random;
    uint16_t    diversifier;
} __attribute__ ((packed)) evt_le_long_term_key_request;
#define EVT_LE_LTK_REQUEST_SIZE 12

#define EVT_PHYSICAL_LINK_COMPLETE      0x40
typedef struct {
    uint8_t     status;
    uint8_t     handle;
} __attribute__ ((packed)) evt_physical_link_complete;
#define EVT_PHYSICAL_LINK_COMPLETE_SIZE 2

#define EVT_CHANNEL_SELECTED        0x41

#define EVT_DISCONNECT_PHYSICAL_LINK_COMPLETE   0x42
typedef struct {
    uint8_t     status;
    uint8_t     handle;
    uint8_t     reason;
} __attribute__ ((packed)) evt_disconn_physical_link_complete;
#define EVT_DISCONNECT_PHYSICAL_LINK_COMPLETE_SIZE 3

#define EVT_PHYSICAL_LINK_LOSS_EARLY_WARNING    0x43
typedef struct {
    uint8_t     handle;
    uint8_t     reason;
} __attribute__ ((packed)) evt_physical_link_loss_warning;
#define EVT_PHYSICAL_LINK_LOSS_WARNING_SIZE 2

#define EVT_PHYSICAL_LINK_RECOVERY      0x44
typedef struct {
    uint8_t     handle;
} __attribute__ ((packed)) evt_physical_link_recovery;
#define EVT_PHYSICAL_LINK_RECOVERY_SIZE 1

#define EVT_LOGICAL_LINK_COMPLETE       0x45
typedef struct {
    uint8_t     status;
    uint16_t    log_handle;
    uint8_t     handle;
    uint8_t     tx_flow_id;
} __attribute__ ((packed)) evt_logical_link_complete;
#define EVT_LOGICAL_LINK_COMPLETE_SIZE 5

#define EVT_DISCONNECT_LOGICAL_LINK_COMPLETE    0x46

#define EVT_FLOW_SPEC_MODIFY_COMPLETE       0x47
typedef struct {
    uint8_t     status;
    uint16_t    handle;
} __attribute__ ((packed)) evt_flow_spec_modify_complete;
#define EVT_FLOW_SPEC_MODIFY_COMPLETE_SIZE 3

#define EVT_NUMBER_COMPLETED_BLOCKS     0x48
typedef struct {
    uint16_t        handle;
    uint16_t        num_cmplt_pkts;
    uint16_t        num_cmplt_blks;
} __attribute__ ((packed)) cmplt_handle;
typedef struct {
    uint16_t        total_num_blocks;
    uint8_t         num_handles;
    cmplt_handle        handles[];
}  __attribute__ ((packed)) evt_num_completed_blocks;

#define EVT_AMP_STATUS_CHANGE           0x4D
typedef struct {
    uint8_t     status;
    uint8_t     amp_status;
} __attribute__ ((packed)) evt_amp_status_change;
#define EVT_AMP_STATUS_CHANGE_SIZE 2

#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[];
} __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

/* --------  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

typedef struct {
    uint16_t    device;
    uint16_t    type;
    uint16_t    plen;
} __attribute__ ((packed))  hci_msg_hdr;
#define HCI_MSG_HDR_SIZE    6

/* 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;
    unsigned short  hci_channel;
};
#define HCI_DEV_NONE    0xffff

#define HCI_CHANNEL_RAW     0
#define HCI_CHANNEL_USER    1
#define HCI_CHANNEL_MONITOR 2
#define HCI_CHANNEL_CONTROL 3
#define HCI_CHANNEL_LOGGING 4

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[];   /* hci_dev_req structures */
};

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

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

struct hci_auth_info_req {
    bdaddr_t bdaddr;
    uint8_t  type;
};

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

#ifdef __cplusplus
}
#endif

#endif /* __HCI_H */