/*
   BlueZ - Bluetooth protocol stack for Linux
   Copyright (C) 2000-2001 Qualcomm Incorporated
   Copyright 2023-2024 NXP

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   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.
*/

#ifndef __HCI_H
#define __HCI_H

#define HCI_MAX_ACL_SIZE        1024
#define HCI_MAX_SCO_SIZE        255
#define HCI_MAX_ISO_SIZE        251
#define HCI_MAX_ISO_BIS         31
#define HCI_MAX_EVENT_SIZE      260
#define HCI_MAX_FRAME_SIZE      (HCI_MAX_ACL_SIZE + 4)

#define HCI_LINK_KEY_SIZE       16

#define HCI_MAX_CPB_DATA_SIZE   252

/* 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
#define HCI_DEV_OPEN                    7
#define HCI_DEV_CLOSE                   8
#define HCI_DEV_SETUP                   9

/* HCI notify events */
#define HCI_NOTIFY_CONN_ADD             1
#define HCI_NOTIFY_CONN_DEL             2
#define HCI_NOTIFY_VOICE_SETTING        3
#define HCI_NOTIFY_ENABLE_SCO_CVSD      4
#define HCI_NOTIFY_ENABLE_SCO_TRANSP    5
#define HCI_NOTIFY_DISABLE_SCO          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
#define HCI_IPC         11

/* HCI device quirks */
enum {
        /* When this quirk is set, the HCI Reset command is send when
         * closing the transport instead of when opening it.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_RESET_ON_CLOSE,

        /* When this quirk is set, the device is turned into a raw-only
         * device and it will stay in unconfigured state.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_RAW_DEVICE,

        /* When this quirk is set, the buffer sizes reported by
         * HCI Read Buffer Size command are corrected if invalid.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_FIXUP_BUFFER_SIZE,

        /* When this quirk is set, then a controller that does not
         * indicate support for Inquiry Result with RSSI is assumed to
         * support it anyway. Some early Bluetooth 1.2 controllers had
         * wrongly configured local features that will require forcing
         * them to enable this mode. Getting RSSI information with the
         * inquiry responses is preferred since it allows for a better
         * user experience.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_FIXUP_INQUIRY_MODE,

        /* When this quirk is set, then the HCI Read Local Supported
         * Commands command is not supported. In general Bluetooth 1.2
         * and later controllers should support this command. However
         * some controllers indicate Bluetooth 1.2 support, but do
         * not support this command.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_BROKEN_LOCAL_COMMANDS,

        /* When this quirk is set, then no stored link key handling
         * is performed. This is mainly due to the fact that the
         * HCI Delete Stored Link Key command is advertised, but
         * not supported.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_BROKEN_STORED_LINK_KEY,

        /* When this quirk is set, an external configuration step
         * is required and will be indicated with the controller
         * configuration.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_EXTERNAL_CONFIG,

        /* When this quirk is set, the public Bluetooth address
         * initially reported by HCI Read BD Address command
         * is considered invalid. Controller configuration is
         * required before this device can be used.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_INVALID_BDADDR,

        /* When this quirk is set, the public Bluetooth address
         * initially reported by HCI Read BD Address command
         * is considered invalid. The public BD Address can be
         * specified in the fwnode property 'local-bd-address'.
         * If this property does not exist or is invalid controller
         * configuration is required before this device can be used.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_USE_BDADDR_PROPERTY,

        /* When this quirk is set, the Bluetooth Device Address provided by
         * the 'local-bd-address' fwnode property is incorrectly specified in
         * big-endian order.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BDADDR_PROPERTY_BROKEN,

        /* When this quirk is set, the duplicate filtering during
         * scanning is based on Bluetooth devices addresses. To allow
         * RSSI based updates, restart scanning if needed.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_STRICT_DUPLICATE_FILTER,

        /* When this quirk is set, LE scan and BR/EDR inquiry is done
         * simultaneously, otherwise it's interleaved.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_SIMULTANEOUS_DISCOVERY,

        /* When this quirk is set, the enabling of diagnostic mode is
         * not persistent over HCI Reset. Every time the controller
         * is brought up it needs to be reprogrammed.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_NON_PERSISTENT_DIAG,

        /* When this quirk is set, setup() would be run after every
         * open() and not just after the first open().
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         *
         */
        HCI_QUIRK_NON_PERSISTENT_SETUP,

        /* When this quirk is set, wide band speech is supported by
         * the driver since no reliable mechanism exist to report
         * this from the hardware, a driver flag is use to convey
         * this support
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED,

        /* When this quirk is set consider Sync Flow Control as supported by
         * the driver.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_SYNC_FLOWCTL_SUPPORTED,

        /* When this quirk is set, the LE states reported through the
         * HCI_LE_READ_SUPPORTED_STATES are invalid/broken.
         *
         * This mechanism is necessary as many controllers have been seen has
         * having trouble initiating a connectable advertisement despite the
         * state combination being reported as supported.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_LE_STATES,

        /* When this quirk is set, then erroneous data reporting
         * is ignored. This is mainly due to the fact that the HCI
         * Read Default Erroneous Data Reporting command is advertised,
         * but not supported; these controllers often reply with unknown
         * command and tend to lock up randomly. Needing a hard reset.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_ERR_DATA_REPORTING,

        /*
         * When this quirk is set, then the hci_suspend_notifier is not
         * registered. This is intended for devices which drop completely
         * from the bus on system-suspend and which will show up as a new
         * HCI after resume.
         */
        HCI_QUIRK_NO_SUSPEND_NOTIFIER,

        /*
         * When this quirk is set, LE tx power is not queried on startup
         * and the min/max tx power values default to HCI_TX_POWER_INVALID.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER,

        /* When this quirk is set, HCI_OP_SET_EVENT_FLT requests with
         * HCI_FLT_CLEAR_ALL are ignored and event filtering is
         * completely avoided. A subset of the CSR controller
         * clones struggle with this and instantly lock up.
         *
         * Note that devices using this must (separately) disable
         * runtime suspend, because event filtering takes place there.
         */
        HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL,

        /*
         * When this quirk is set, disables the use of
         * HCI_OP_ENHANCED_SETUP_SYNC_CONN command to setup SCO connections.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN,

        /*
         * When this quirk is set, the HCI_OP_LE_SET_EXT_SCAN_ENABLE command is
         * disabled. This is required for some Broadcom controllers which
         * erroneously claim to support extended scanning.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_EXT_SCAN,

        /*
         * When this quirk is set, the HCI_OP_GET_MWS_TRANSPORT_CONFIG command is
         * disabled. This is required for some Broadcom controllers which
         * erroneously claim to support MWS Transport Layer Configuration.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG,

        /* When this quirk is set, max_page for local extended features
         * is set to 1, even if controller reports higher number. Some
         * controllers (e.g. RTL8723CS) report more pages, but they
         * don't actually support features declared there.
         */
        HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2,

        /*
         * When this quirk is set, the HCI_OP_LE_SET_RPA_TIMEOUT command is
         * skipped during initialization. This is required for the Actions
         * Semiconductor ATS2851 based controllers, which erroneously claims
         * to support it.
         */
        HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT,

        /*
         * When this quirk is set, the HCI_OP_LE_EXT_CREATE_CONN command is
         * disabled. This is required for the Actions Semiconductor ATS2851
         * based controllers, which erroneously claims to support it.
         */
        HCI_QUIRK_BROKEN_EXT_CREATE_CONN,

        /*
         * When this quirk is set, the command WRITE_AUTH_PAYLOAD_TIMEOUT is
         * skipped. This is required for the Actions Semiconductor ATS2851
         * based controllers, due to a race condition in pairing process.
         */
        HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT,

        /* When this quirk is set, MSFT extension monitor tracking by
         * address filter is supported. Since tracking quantity of each
         * pattern is limited, this feature supports tracking multiple
         * devices concurrently if controller supports multiple
         * address filters.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER,

        /*
         * When this quirk is set, LE Coded PHY shall not be used. This is
         * required for some Intel controllers which erroneously claim to
         * support it but it causes problems with extended scanning.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_BROKEN_LE_CODED,

        /*
         * When this quirk is set, the HCI_OP_READ_ENC_KEY_SIZE command is
         * skipped during an HCI_EV_ENCRYPT_CHANGE event. This is required
         * for Actions Semiconductor ATS2851 based controllers, which erroneously
         * claim to support it.
         */
        HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE,

        /*
         * When this quirk is set, the reserved bits of Primary/Secondary_PHY
         * inside the LE Extended Advertising Report events are discarded.
         * This is required for some Apple/Broadcom controllers which
         * abuse these reserved bits for unrelated flags.
         *
         * This quirk can be set before hci_register_dev is called or
         * during the hdev->setup vendor callback.
         */
        HCI_QUIRK_FIXUP_LE_EXT_ADV_REPORT_PHY,

        /* When this quirk is set, the HCI_OP_READ_VOICE_SETTING command is
         * skipped. This is required for a subset of the CSR controller clones
         * which erroneously claim to support it.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_BROKEN_READ_VOICE_SETTING,

        /* When this quirk is set, the HCI_OP_READ_PAGE_SCAN_TYPE command is
         * skipped. This is required for a subset of the CSR controller clones
         * which erroneously claim to support it.
         *
         * This quirk must be set before hci_register_dev is called.
         */
        HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE,

        __HCI_NUM_QUIRKS,
};

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

        HCI_PSCAN,
        HCI_ISCAN,
        HCI_AUTH,
        HCI_ENCRYPT,
        HCI_INQUIRY,

        HCI_RAW,

        HCI_RESET,
};

/* HCI socket flags */
enum {
        HCI_SOCK_TRUSTED,
        HCI_MGMT_INDEX_EVENTS,
        HCI_MGMT_UNCONF_INDEX_EVENTS,
        HCI_MGMT_EXT_INDEX_EVENTS,
        HCI_MGMT_EXT_INFO_EVENTS,
        HCI_MGMT_OPTION_EVENTS,
        HCI_MGMT_SETTING_EVENTS,
        HCI_MGMT_DEV_CLASS_EVENTS,
        HCI_MGMT_LOCAL_NAME_EVENTS,
        HCI_MGMT_OOB_DATA_EVENTS,
        HCI_MGMT_EXP_FEATURE_EVENTS,
};

/*
 * BR/EDR and/or LE controller flags: the flags defined here should represent
 * states from the controller.
 */
enum {
        HCI_SETUP,
        HCI_CONFIG,
        HCI_DEBUGFS_CREATED,
        HCI_POWERING_DOWN,
        HCI_AUTO_OFF,
        HCI_RFKILLED,
        HCI_MGMT,
        HCI_BONDABLE,
        HCI_SERVICE_CACHE,
        HCI_KEEP_DEBUG_KEYS,
        HCI_USE_DEBUG_KEYS,
        HCI_UNREGISTER,
        HCI_UNCONFIGURED,
        HCI_USER_CHANNEL,
        HCI_EXT_CONFIGURED,
        HCI_LE_ADV,
        HCI_LE_ADV_0,
        HCI_LE_PER_ADV,
        HCI_LE_SCAN,
        HCI_SSP_ENABLED,
        HCI_SC_ENABLED,
        HCI_SC_ONLY,
        HCI_PRIVACY,
        HCI_LIMITED_PRIVACY,
        HCI_RPA_EXPIRED,
        HCI_RPA_RESOLVING,
        HCI_LE_ENABLED,
        HCI_ADVERTISING,
        HCI_ADVERTISING_CONNECTABLE,
        HCI_CONNECTABLE,
        HCI_DISCOVERABLE,
        HCI_LIMITED_DISCOVERABLE,
        HCI_LINK_SECURITY,
        HCI_PERIODIC_INQ,
        HCI_FAST_CONNECTABLE,
        HCI_BREDR_ENABLED,
        HCI_LE_SCAN_INTERRUPTED,
        HCI_WIDEBAND_SPEECH_ENABLED,
        HCI_EVENT_FILTER_CONFIGURED,
        HCI_PA_SYNC,
        HCI_SCO_FLOWCTL,

        HCI_DUT_MODE,
        HCI_VENDOR_DIAG,
        HCI_FORCE_BREDR_SMP,
        HCI_FORCE_STATIC_ADDR,
        HCI_LL_RPA_RESOLUTION,
        HCI_CMD_PENDING,
        HCI_FORCE_NO_MITM,
        HCI_QUALITY_REPORT,
        HCI_OFFLOAD_CODECS_ENABLED,
        HCI_LE_SIMULTANEOUS_ROLES,
        HCI_CMD_DRAIN_WORKQUEUE,

        HCI_MESH_EXPERIMENTAL,
        HCI_MESH,
        HCI_MESH_SENDING,

        __HCI_NUM_FLAGS,
};

/* HCI timeouts */
#define HCI_DISCONN_TIMEOUT     msecs_to_jiffies(2000)  /* 2 seconds */
#define HCI_PAIRING_TIMEOUT     msecs_to_jiffies(60000) /* 60 seconds */
#define HCI_INIT_TIMEOUT        msecs_to_jiffies(10000) /* 10 seconds */
#define HCI_CMD_TIMEOUT         msecs_to_jiffies(2000)  /* 2 seconds */
#define HCI_NCMD_TIMEOUT        msecs_to_jiffies(4000)  /* 4 seconds */
#define HCI_ACL_TX_TIMEOUT      msecs_to_jiffies(45000) /* 45 seconds */
#define HCI_AUTO_OFF_TIMEOUT    msecs_to_jiffies(2000)  /* 2 seconds */
#define HCI_ACL_CONN_TIMEOUT    msecs_to_jiffies(20000) /* 20 seconds */
#define HCI_LE_CONN_TIMEOUT     msecs_to_jiffies(20000) /* 20 seconds */
#define HCI_ISO_TX_TIMEOUT      usecs_to_jiffies(0x7fffff) /* 8388607 usecs */

/* HCI data 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_DIAG_PKT            0xf0
#define HCI_DRV_PKT             0xf1
#define HCI_VENDOR_PKT          0xff

/* HCI packet types */
#define HCI_DM1         0x0008
#define HCI_DM3         0x0400
#define HCI_DM5         0x4000
#define HCI_DH1         0x0010
#define HCI_DH3         0x0800
#define HCI_DH5         0x8000

/* HCI packet types inverted masks */
#define HCI_2DH1        0x0002
#define HCI_3DH1        0x0004
#define HCI_2DH3        0x0100
#define HCI_3DH3        0x0200
#define HCI_2DH5        0x1000
#define HCI_3DH5        0x2000

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

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

/* eSCO packet types */
#define ESCO_HV1        0x0001
#define ESCO_HV2        0x0002
#define ESCO_HV3        0x0004
#define ESCO_EV3        0x0008
#define ESCO_EV4        0x0010
#define ESCO_EV5        0x0020
#define ESCO_2EV3       0x0040
#define ESCO_3EV3       0x0080
#define ESCO_2EV5       0x0100
#define ESCO_3EV5       0x0200

#define SCO_ESCO_MASK  (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
#define EDR_ESCO_MASK  (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5)

/* ACL flags */
#define ACL_START_NO_FLUSH      0x00
#define ACL_CONT                0x01
#define ACL_START               0x02
#define ACL_COMPLETE            0x03
#define ACL_ACTIVE_BCAST        0x04
#define ACL_PICO_BCAST          0x08

/* ISO PB flags */
#define ISO_START               0x00
#define ISO_CONT                0x01
#define ISO_SINGLE              0x02
#define ISO_END                 0x03

/* ISO TS flags */
#define ISO_TS                  0x01

/* Baseband links */
#define SCO_LINK        0x00
#define ACL_LINK        0x01
#define ESCO_LINK       0x02
/* Low Energy links do not have defined link type. Use invented one */
#define LE_LINK         0x80
#define CIS_LINK        0x82
#define BIS_LINK        0x83
#define PA_LINK         0x84
#define INVALID_LINK    0xff

/* 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_TRANSPARENT 0x08

#define LMP_EDR_2M              0x02
#define LMP_EDR_3M              0x04
#define LMP_RSSI_INQ    0x40
#define LMP_ESCO        0x80

#define LMP_EV4         0x01
#define LMP_EV5         0x02
#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_EDR_ESCO_2M 0x20
#define LMP_EDR_ESCO_3M 0x40
#define LMP_EDR_3S_ESCO 0x80

#define LMP_EXT_INQ     0x01
#define LMP_SIMUL_LE_BR 0x02
#define LMP_SIMPLE_PAIR 0x08
#define LMP_ERR_DATA_REPORTING 0x20
#define LMP_NO_FLUSH    0x40

#define LMP_LSTO        0x01
#define LMP_INQ_TX_PWR  0x02
#define LMP_EXTFEATURES 0x80

/* Extended LMP features */
#define LMP_CPB_CENTRAL         0x01
#define LMP_CPB_PERIPHERAL      0x02
#define LMP_SYNC_TRAIN          0x04
#define LMP_SYNC_SCAN           0x08

#define LMP_SC          0x01
#define LMP_PING        0x02

/* Host features */
#define LMP_HOST_SSP            0x01
#define LMP_HOST_LE             0x02
#define LMP_HOST_LE_BREDR       0x04
#define LMP_HOST_SC             0x08

/* LE features */
#define HCI_LE_ENCRYPTION               0x01
#define HCI_LE_CONN_PARAM_REQ_PROC      0x02
#define HCI_LE_PERIPHERAL_FEATURES      0x08
#define HCI_LE_PING                     0x10
#define HCI_LE_DATA_LEN_EXT             0x20
#define HCI_LE_LL_PRIVACY               0x40
#define HCI_LE_EXT_SCAN_POLICY          0x80
#define HCI_LE_PHY_2M                   0x01
#define HCI_LE_PHY_CODED                0x08
#define HCI_LE_EXT_ADV                  0x10
#define HCI_LE_PERIODIC_ADV             0x20
#define HCI_LE_CHAN_SEL_ALG2            0x40
#define HCI_LE_PAST_SENDER              0x01
#define HCI_LE_PAST_RECEIVER            0x02
#define HCI_LE_CIS_CENTRAL              0x10
#define HCI_LE_CIS_PERIPHERAL           0x20
#define HCI_LE_ISO_BROADCASTER          0x40
#define HCI_LE_ISO_SYNC_RECEIVER        0x80
#define HCI_LE_LL_EXT_FEATURE           0x80
#define HCI_LE_CS                       0x40
#define HCI_LE_CS_HOST                  0x80

/* Connection modes */
#define HCI_CM_ACTIVE   0x0000
#define HCI_CM_HOLD     0x0001
#define HCI_CM_SNIFF    0x0002
#define HCI_CM_PARK     0x0003

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

/* Link modes */
#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
#define HCI_LM_FIPS     0x0040

/* Authentication types */
#define HCI_AT_NO_BONDING               0x00
#define HCI_AT_NO_BONDING_MITM          0x01
#define HCI_AT_DEDICATED_BONDING        0x02
#define HCI_AT_DEDICATED_BONDING_MITM   0x03
#define HCI_AT_GENERAL_BONDING          0x04
#define HCI_AT_GENERAL_BONDING_MITM     0x05

/* I/O capabilities */
#define HCI_IO_DISPLAY_ONLY     0x00
#define HCI_IO_DISPLAY_YESNO    0x01
#define HCI_IO_KEYBOARD_ONLY    0x02
#define HCI_IO_NO_INPUT_OUTPUT  0x03

/* 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_P192  0x04
#define HCI_LK_AUTH_COMBINATION_P192    0x05
#define HCI_LK_CHANGED_COMBINATION      0x06
#define HCI_LK_UNAUTH_COMBINATION_P256  0x07
#define HCI_LK_AUTH_COMBINATION_P256    0x08

/* ---- HCI Error Codes ---- */
#define HCI_ERROR_UNKNOWN_CONN_ID       0x02
#define HCI_ERROR_AUTH_FAILURE          0x05
#define HCI_ERROR_PIN_OR_KEY_MISSING    0x06
#define HCI_ERROR_MEMORY_EXCEEDED       0x07
#define HCI_ERROR_CONNECTION_TIMEOUT    0x08
#define HCI_ERROR_COMMAND_DISALLOWED    0x0c
#define HCI_ERROR_REJ_LIMITED_RESOURCES 0x0d
#define HCI_ERROR_REJ_BAD_ADDR          0x0f
#define HCI_ERROR_INVALID_PARAMETERS    0x12
#define HCI_ERROR_REMOTE_USER_TERM      0x13
#define HCI_ERROR_REMOTE_LOW_RESOURCES  0x14
#define HCI_ERROR_REMOTE_POWER_OFF      0x15
#define HCI_ERROR_LOCAL_HOST_TERM       0x16
#define HCI_ERROR_PAIRING_NOT_ALLOWED   0x18
#define HCI_ERROR_UNSUPPORTED_REMOTE_FEATURE    0x1a
#define HCI_ERROR_INVALID_LL_PARAMS     0x1e
#define HCI_ERROR_UNSPECIFIED           0x1f
#define HCI_ERROR_ADVERTISING_TIMEOUT   0x3c
#define HCI_ERROR_CANCELLED_BY_HOST     0x44

/* Flow control modes */
#define HCI_FLOW_CTL_MODE_PACKET_BASED  0x00
#define HCI_FLOW_CTL_MODE_BLOCK_BASED   0x01

/* The core spec defines 127 as the "not available" value */
#define HCI_TX_POWER_INVALID    127
#define HCI_RSSI_INVALID        127

#define HCI_SYNC_HANDLE_INVALID 0xffff
#define HCI_SID_INVALID         0xff

#define HCI_ROLE_MASTER         0x00
#define HCI_ROLE_SLAVE          0x01

/* Extended Inquiry Response field types */
#define EIR_FLAGS               0x01 /* flags */
#define EIR_UUID16_SOME         0x02 /* 16-bit UUID, more available */
#define EIR_UUID16_ALL          0x03 /* 16-bit UUID, all listed */
#define EIR_UUID32_SOME         0x04 /* 32-bit UUID, more available */
#define EIR_UUID32_ALL          0x05 /* 32-bit UUID, all listed */
#define EIR_UUID128_SOME        0x06 /* 128-bit UUID, more available */
#define EIR_UUID128_ALL         0x07 /* 128-bit UUID, all listed */
#define EIR_NAME_SHORT          0x08 /* shortened local name */
#define EIR_NAME_COMPLETE       0x09 /* complete local name */
#define EIR_TX_POWER            0x0A /* transmit power level */
#define EIR_CLASS_OF_DEV        0x0D /* Class of Device */
#define EIR_SSP_HASH_C192       0x0E /* Simple Pairing Hash C-192 */
#define EIR_SSP_RAND_R192       0x0F /* Simple Pairing Randomizer R-192 */
#define EIR_DEVICE_ID           0x10 /* device ID */
#define EIR_APPEARANCE          0x19 /* Device appearance */
#define EIR_SERVICE_DATA        0x16 /* Service Data */
#define EIR_LE_BDADDR           0x1B /* LE Bluetooth device address */
#define EIR_LE_ROLE             0x1C /* LE role */
#define EIR_SSP_HASH_C256       0x1D /* Simple Pairing Hash C-256 */
#define EIR_SSP_RAND_R256       0x1E /* Simple Pairing Rand R-256 */
#define EIR_LE_SC_CONFIRM       0x22 /* LE SC Confirmation Value */
#define EIR_LE_SC_RANDOM        0x23 /* LE SC Random Value */

/* Low Energy Advertising Flags */
#define LE_AD_LIMITED           0x01 /* Limited Discoverable */
#define LE_AD_GENERAL           0x02 /* General Discoverable */
#define LE_AD_NO_BREDR          0x04 /* BR/EDR not supported */
#define LE_AD_SIM_LE_BREDR_CTRL 0x08 /* Simultaneous LE & BR/EDR Controller */
#define LE_AD_SIM_LE_BREDR_HOST 0x10 /* Simultaneous LE & BR/EDR Host */

/* -----  HCI Commands ---- */
#define HCI_OP_NOP                      0x0000

#define HCI_OP_INQUIRY                  0x0401
struct hci_cp_inquiry {
        __u8     lap[3];
        __u8     length;
        __u8     num_rsp;
} __packed;

#define HCI_OP_INQUIRY_CANCEL           0x0402

#define HCI_OP_PERIODIC_INQ             0x0403

#define HCI_OP_EXIT_PERIODIC_INQ        0x0404

#define HCI_OP_CREATE_CONN              0x0405
struct hci_cp_create_conn {
        bdaddr_t bdaddr;
        __le16   pkt_type;
        __u8     pscan_rep_mode;
        __u8     pscan_mode;
        __le16   clock_offset;
        __u8     role_switch;
} __packed;

#define HCI_OP_DISCONNECT               0x0406
struct hci_cp_disconnect {
        __le16   handle;
        __u8     reason;
} __packed;

#define HCI_OP_ADD_SCO                  0x0407
struct hci_cp_add_sco {
        __le16   handle;
        __le16   pkt_type;
} __packed;

#define HCI_OP_CREATE_CONN_CANCEL       0x0408
struct hci_cp_create_conn_cancel {
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_ACCEPT_CONN_REQ          0x0409
struct hci_cp_accept_conn_req {
        bdaddr_t bdaddr;
        __u8     role;
} __packed;

#define HCI_OP_REJECT_CONN_REQ          0x040a
struct hci_cp_reject_conn_req {
        bdaddr_t bdaddr;
        __u8     reason;
} __packed;

#define HCI_OP_LINK_KEY_REPLY           0x040b
struct hci_cp_link_key_reply {
        bdaddr_t bdaddr;
        __u8     link_key[HCI_LINK_KEY_SIZE];
} __packed;

#define HCI_OP_LINK_KEY_NEG_REPLY       0x040c
struct hci_cp_link_key_neg_reply {
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_PIN_CODE_REPLY           0x040d
struct hci_cp_pin_code_reply {
        bdaddr_t bdaddr;
        __u8     pin_len;
        __u8     pin_code[16];
} __packed;
struct hci_rp_pin_code_reply {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_PIN_CODE_NEG_REPLY       0x040e
struct hci_cp_pin_code_neg_reply {
        bdaddr_t bdaddr;
} __packed;
struct hci_rp_pin_code_neg_reply {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_CHANGE_CONN_PTYPE        0x040f
struct hci_cp_change_conn_ptype {
        __le16   handle;
        __le16   pkt_type;
} __packed;

#define HCI_OP_AUTH_REQUESTED           0x0411
struct hci_cp_auth_requested {
        __le16   handle;
} __packed;

#define HCI_OP_SET_CONN_ENCRYPT         0x0413
struct hci_cp_set_conn_encrypt {
        __le16   handle;
        __u8     encrypt;
} __packed;

#define HCI_OP_CHANGE_CONN_LINK_KEY     0x0415
struct hci_cp_change_conn_link_key {
        __le16   handle;
} __packed;

#define HCI_OP_REMOTE_NAME_REQ          0x0419
struct hci_cp_remote_name_req {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
        __u8     pscan_mode;
        __le16   clock_offset;
} __packed;

#define HCI_OP_REMOTE_NAME_REQ_CANCEL   0x041a
struct hci_cp_remote_name_req_cancel {
        bdaddr_t bdaddr;
} __packed;

struct hci_rp_remote_name_req_cancel {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_READ_REMOTE_FEATURES     0x041b
struct hci_cp_read_remote_features {
        __le16   handle;
} __packed;

#define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c
struct hci_cp_read_remote_ext_features {
        __le16   handle;
        __u8     page;
} __packed;

#define HCI_OP_READ_REMOTE_VERSION      0x041d
struct hci_cp_read_remote_version {
        __le16   handle;
} __packed;

#define HCI_OP_READ_CLOCK_OFFSET        0x041f
struct hci_cp_read_clock_offset {
        __le16   handle;
} __packed;

#define HCI_OP_SETUP_SYNC_CONN          0x0428
struct hci_cp_setup_sync_conn {
        __le16   handle;
        __le32   tx_bandwidth;
        __le32   rx_bandwidth;
        __le16   max_latency;
        __le16   voice_setting;
        __u8     retrans_effort;
        __le16   pkt_type;
} __packed;

#define HCI_OP_ACCEPT_SYNC_CONN_REQ     0x0429
struct hci_cp_accept_sync_conn_req {
        bdaddr_t bdaddr;
        __le32   tx_bandwidth;
        __le32   rx_bandwidth;
        __le16   max_latency;
        __le16   content_format;
        __u8     retrans_effort;
        __le16   pkt_type;
} __packed;

#define HCI_OP_REJECT_SYNC_CONN_REQ     0x042a
struct hci_cp_reject_sync_conn_req {
        bdaddr_t bdaddr;
        __u8     reason;
} __packed;

#define HCI_OP_IO_CAPABILITY_REPLY      0x042b
struct hci_cp_io_capability_reply {
        bdaddr_t bdaddr;
        __u8     capability;
        __u8     oob_data;
        __u8     authentication;
} __packed;

#define HCI_OP_USER_CONFIRM_REPLY               0x042c
struct hci_cp_user_confirm_reply {
        bdaddr_t bdaddr;
} __packed;
struct hci_rp_user_confirm_reply {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_USER_CONFIRM_NEG_REPLY   0x042d

#define HCI_OP_USER_PASSKEY_REPLY               0x042e
struct hci_cp_user_passkey_reply {
        bdaddr_t bdaddr;
        __le32  passkey;
} __packed;

#define HCI_OP_USER_PASSKEY_NEG_REPLY   0x042f

#define HCI_OP_REMOTE_OOB_DATA_REPLY    0x0430
struct hci_cp_remote_oob_data_reply {
        bdaddr_t bdaddr;
        __u8     hash[16];
        __u8     rand[16];
} __packed;

#define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY        0x0433
struct hci_cp_remote_oob_data_neg_reply {
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_IO_CAPABILITY_NEG_REPLY  0x0434
struct hci_cp_io_capability_neg_reply {
        bdaddr_t bdaddr;
        __u8     reason;
} __packed;

#define HCI_OP_ENHANCED_SETUP_SYNC_CONN         0x043d
struct hci_coding_format {
        __u8    id;
        __le16  cid;
        __le16  vid;
} __packed;

struct hci_cp_enhanced_setup_sync_conn {
        __le16   handle;
        __le32   tx_bandwidth;
        __le32   rx_bandwidth;
        struct   hci_coding_format tx_coding_format;
        struct   hci_coding_format rx_coding_format;
        __le16   tx_codec_frame_size;
        __le16   rx_codec_frame_size;
        __le32   in_bandwidth;
        __le32   out_bandwidth;
        struct   hci_coding_format in_coding_format;
        struct   hci_coding_format out_coding_format;
        __le16   in_coded_data_size;
        __le16   out_coded_data_size;
        __u8     in_pcm_data_format;
        __u8     out_pcm_data_format;
        __u8     in_pcm_sample_payload_msb_pos;
        __u8     out_pcm_sample_payload_msb_pos;
        __u8     in_data_path;
        __u8     out_data_path;
        __u8     in_transport_unit_size;
        __u8     out_transport_unit_size;
        __le16   max_latency;
        __le16   pkt_type;
        __u8     retrans_effort;
} __packed;

struct hci_rp_logical_link_cancel {
        __u8     status;
        __u8     phy_handle;
        __u8     flow_spec_id;
} __packed;

#define HCI_OP_SET_CPB                  0x0441
struct hci_cp_set_cpb {
        __u8    enable;
        __u8    lt_addr;
        __u8    lpo_allowed;
        __le16  packet_type;
        __le16  interval_min;
        __le16  interval_max;
        __le16  cpb_sv_tout;
} __packed;
struct hci_rp_set_cpb {
        __u8    status;
        __u8    lt_addr;
        __le16  interval;
} __packed;

#define HCI_OP_START_SYNC_TRAIN         0x0443

#define HCI_OP_REMOTE_OOB_EXT_DATA_REPLY        0x0445
struct hci_cp_remote_oob_ext_data_reply {
        bdaddr_t bdaddr;
        __u8     hash192[16];
        __u8     rand192[16];
        __u8     hash256[16];
        __u8     rand256[16];
} __packed;

#define HCI_OP_SNIFF_MODE               0x0803
struct hci_cp_sniff_mode {
        __le16   handle;
        __le16   max_interval;
        __le16   min_interval;
        __le16   attempt;
        __le16   timeout;
} __packed;

#define HCI_OP_EXIT_SNIFF_MODE          0x0804
struct hci_cp_exit_sniff_mode {
        __le16   handle;
} __packed;

#define HCI_OP_ROLE_DISCOVERY           0x0809
struct hci_cp_role_discovery {
        __le16   handle;
} __packed;
struct hci_rp_role_discovery {
        __u8     status;
        __le16   handle;
        __u8     role;
} __packed;

#define HCI_OP_SWITCH_ROLE              0x080b
struct hci_cp_switch_role {
        bdaddr_t bdaddr;
        __u8     role;
} __packed;

#define HCI_OP_READ_LINK_POLICY         0x080c
struct hci_cp_read_link_policy {
        __le16   handle;
} __packed;
struct hci_rp_read_link_policy {
        __u8     status;
        __le16   handle;
        __le16   policy;
} __packed;

#define HCI_OP_WRITE_LINK_POLICY        0x080d
struct hci_cp_write_link_policy {
        __le16   handle;
        __le16   policy;
} __packed;
struct hci_rp_write_link_policy {
        __u8     status;
        __le16   handle;
} __packed;

#define HCI_OP_READ_DEF_LINK_POLICY     0x080e
struct hci_rp_read_def_link_policy {
        __u8     status;
        __le16   policy;
} __packed;

#define HCI_OP_WRITE_DEF_LINK_POLICY    0x080f
struct hci_cp_write_def_link_policy {
        __le16   policy;
} __packed;

#define HCI_OP_SNIFF_SUBRATE            0x0811
struct hci_cp_sniff_subrate {
        __le16   handle;
        __le16   max_latency;
        __le16   min_remote_timeout;
        __le16   min_local_timeout;
} __packed;

#define HCI_OP_SET_EVENT_MASK           0x0c01

#define HCI_OP_RESET                    0x0c03

#define HCI_OP_SET_EVENT_FLT            0x0c05
#define HCI_SET_EVENT_FLT_SIZE          9
struct hci_cp_set_event_filter {
        __u8            flt_type;
        __u8            cond_type;
        struct {
                bdaddr_t bdaddr;
                __u8 auto_accept;
        } __packed      addr_conn_flt;
} __packed;

/* Filter types */
#define HCI_FLT_CLEAR_ALL       0x00
#define HCI_FLT_INQ_RESULT      0x01
#define HCI_FLT_CONN_SETUP      0x02

/* CONN_SETUP Condition types */
#define HCI_CONN_SETUP_ALLOW_ALL        0x00
#define HCI_CONN_SETUP_ALLOW_CLASS      0x01
#define HCI_CONN_SETUP_ALLOW_BDADDR     0x02

/* CONN_SETUP Conditions */
#define HCI_CONN_SETUP_AUTO_OFF         0x01
#define HCI_CONN_SETUP_AUTO_ON          0x02
#define HCI_CONN_SETUP_AUTO_ON_WITH_RS  0x03

#define HCI_OP_READ_STORED_LINK_KEY     0x0c0d
struct hci_cp_read_stored_link_key {
        bdaddr_t bdaddr;
        __u8     read_all;
} __packed;
struct hci_rp_read_stored_link_key {
        __u8     status;
        __le16   max_keys;
        __le16   num_keys;
} __packed;

#define HCI_OP_DELETE_STORED_LINK_KEY   0x0c12
struct hci_cp_delete_stored_link_key {
        bdaddr_t bdaddr;
        __u8     delete_all;
} __packed;
struct hci_rp_delete_stored_link_key {
        __u8     status;
        __le16   num_keys;
} __packed;

#define HCI_MAX_NAME_LENGTH             248

#define HCI_OP_WRITE_LOCAL_NAME         0x0c13
struct hci_cp_write_local_name {
        __u8     name[HCI_MAX_NAME_LENGTH];
} __packed;

#define HCI_OP_READ_LOCAL_NAME          0x0c14
struct hci_rp_read_local_name {
        __u8     status;
        __u8     name[HCI_MAX_NAME_LENGTH];
} __packed;

#define HCI_OP_WRITE_CA_TIMEOUT         0x0c16

#define HCI_OP_WRITE_PG_TIMEOUT         0x0c18

#define HCI_OP_WRITE_SCAN_ENABLE        0x0c1a
        #define SCAN_DISABLED           0x00
        #define SCAN_INQUIRY            0x01
        #define SCAN_PAGE               0x02

#define HCI_OP_READ_AUTH_ENABLE         0x0c1f

#define HCI_OP_WRITE_AUTH_ENABLE        0x0c20
        #define AUTH_DISABLED           0x00
        #define AUTH_ENABLED            0x01

#define HCI_OP_READ_ENCRYPT_MODE        0x0c21

#define HCI_OP_WRITE_ENCRYPT_MODE       0x0c22
        #define ENCRYPT_DISABLED        0x00
        #define ENCRYPT_P2P             0x01
        #define ENCRYPT_BOTH            0x02

#define HCI_OP_READ_CLASS_OF_DEV        0x0c23
struct hci_rp_read_class_of_dev {
        __u8     status;
        __u8     dev_class[3];
} __packed;

#define HCI_OP_WRITE_CLASS_OF_DEV       0x0c24
struct hci_cp_write_class_of_dev {
        __u8     dev_class[3];
} __packed;

#define HCI_OP_READ_VOICE_SETTING       0x0c25
struct hci_rp_read_voice_setting {
        __u8     status;
        __le16   voice_setting;
} __packed;

#define HCI_OP_WRITE_VOICE_SETTING      0x0c26
struct hci_cp_write_voice_setting {
        __le16   voice_setting;
} __packed;

#define HCI_OP_HOST_BUFFER_SIZE         0x0c33
struct hci_cp_host_buffer_size {
        __le16   acl_mtu;
        __u8     sco_mtu;
        __le16   acl_max_pkt;
        __le16   sco_max_pkt;
} __packed;

#define HCI_OP_READ_NUM_SUPPORTED_IAC   0x0c38
struct hci_rp_read_num_supported_iac {
        __u8    status;
        __u8    num_iac;
} __packed;

#define HCI_OP_READ_CURRENT_IAC_LAP     0x0c39

#define HCI_OP_WRITE_CURRENT_IAC_LAP    0x0c3a
struct hci_cp_write_current_iac_lap {
        __u8    num_iac;
        __u8    iac_lap[6];
} __packed;

#define HCI_OP_WRITE_INQUIRY_MODE       0x0c45

#define HCI_MAX_EIR_LENGTH              240

#define HCI_OP_WRITE_EIR                0x0c52
struct hci_cp_write_eir {
        __u8    fec;
        __u8    data[HCI_MAX_EIR_LENGTH];
} __packed;

#define HCI_OP_READ_SSP_MODE            0x0c55
struct hci_rp_read_ssp_mode {
        __u8     status;
        __u8     mode;
} __packed;

#define HCI_OP_WRITE_SSP_MODE           0x0c56
struct hci_cp_write_ssp_mode {
        __u8     mode;
} __packed;

#define HCI_OP_READ_LOCAL_OOB_DATA              0x0c57
struct hci_rp_read_local_oob_data {
        __u8     status;
        __u8     hash[16];
        __u8     rand[16];
} __packed;

#define HCI_OP_READ_INQ_RSP_TX_POWER    0x0c58
struct hci_rp_read_inq_rsp_tx_power {
        __u8     status;
        __s8     tx_power;
} __packed;

#define HCI_OP_READ_DEF_ERR_DATA_REPORTING      0x0c5a
        #define ERR_DATA_REPORTING_DISABLED     0x00
        #define ERR_DATA_REPORTING_ENABLED      0x01
struct hci_rp_read_def_err_data_reporting {
        __u8     status;
        __u8     err_data_reporting;
} __packed;

#define HCI_OP_WRITE_DEF_ERR_DATA_REPORTING     0x0c5b
struct hci_cp_write_def_err_data_reporting {
        __u8     err_data_reporting;
} __packed;

#define HCI_OP_SET_EVENT_MASK_PAGE_2    0x0c63

#define HCI_OP_READ_LOCATION_DATA       0x0c64

#define HCI_OP_READ_FLOW_CONTROL_MODE   0x0c66
struct hci_rp_read_flow_control_mode {
        __u8     status;
        __u8     mode;
} __packed;

#define HCI_OP_WRITE_LE_HOST_SUPPORTED  0x0c6d
struct hci_cp_write_le_host_supported {
        __u8    le;
        __u8    simul;
} __packed;

#define HCI_OP_SET_RESERVED_LT_ADDR     0x0c74
struct hci_cp_set_reserved_lt_addr {
        __u8    lt_addr;
} __packed;
struct hci_rp_set_reserved_lt_addr {
        __u8    status;
        __u8    lt_addr;
} __packed;

#define HCI_OP_DELETE_RESERVED_LT_ADDR  0x0c75
struct hci_cp_delete_reserved_lt_addr {
        __u8    lt_addr;
} __packed;
struct hci_rp_delete_reserved_lt_addr {
        __u8    status;
        __u8    lt_addr;
} __packed;

#define HCI_OP_SET_CPB_DATA             0x0c76
struct hci_cp_set_cpb_data {
        __u8    lt_addr;
        __u8    fragment;
        __u8    data_length;
        __u8    data[HCI_MAX_CPB_DATA_SIZE];
} __packed;
struct hci_rp_set_cpb_data {
        __u8    status;
        __u8    lt_addr;
} __packed;

#define HCI_OP_READ_SYNC_TRAIN_PARAMS   0x0c77

#define HCI_OP_WRITE_SYNC_TRAIN_PARAMS  0x0c78
struct hci_cp_write_sync_train_params {
        __le16  interval_min;
        __le16  interval_max;
        __le32  sync_train_tout;
        __u8    service_data;
} __packed;
struct hci_rp_write_sync_train_params {
        __u8    status;
        __le16  sync_train_int;
} __packed;

#define HCI_OP_READ_SC_SUPPORT          0x0c79
struct hci_rp_read_sc_support {
        __u8    status;
        __u8    support;
} __packed;

#define HCI_OP_WRITE_SC_SUPPORT         0x0c7a
struct hci_cp_write_sc_support {
        __u8    support;
} __packed;

#define HCI_OP_READ_AUTH_PAYLOAD_TO    0x0c7b
struct hci_cp_read_auth_payload_to {
        __le16  handle;
} __packed;
struct hci_rp_read_auth_payload_to {
        __u8    status;
        __le16  handle;
        __le16  timeout;
} __packed;

#define HCI_OP_WRITE_AUTH_PAYLOAD_TO    0x0c7c
struct hci_cp_write_auth_payload_to {
        __le16  handle;
        __le16  timeout;
} __packed;
struct hci_rp_write_auth_payload_to {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_READ_LOCAL_OOB_EXT_DATA  0x0c7d
struct hci_rp_read_local_oob_ext_data {
        __u8     status;
        __u8     hash192[16];
        __u8     rand192[16];
        __u8     hash256[16];
        __u8     rand256[16];
} __packed;

#define HCI_CONFIGURE_DATA_PATH 0x0c83
struct hci_op_configure_data_path {
        __u8    direction;
        __u8    data_path_id;
        __u8    vnd_len;
        __u8    vnd_data[];
} __packed;

#define HCI_OP_READ_LOCAL_VERSION       0x1001
struct hci_rp_read_local_version {
        __u8     status;
        __u8     hci_ver;
        __le16   hci_rev;
        __u8     lmp_ver;
        __le16   manufacturer;
        __le16   lmp_subver;
} __packed;

#define HCI_OP_READ_LOCAL_COMMANDS      0x1002
struct hci_rp_read_local_commands {
        __u8     status;
        __u8     commands[64];
} __packed;

#define HCI_OP_READ_LOCAL_FEATURES      0x1003
struct hci_rp_read_local_features {
        __u8     status;
        __u8     features[8];
} __packed;

#define HCI_OP_READ_LOCAL_EXT_FEATURES  0x1004
struct hci_cp_read_local_ext_features {
        __u8     page;
} __packed;
struct hci_rp_read_local_ext_features {
        __u8     status;
        __u8     page;
        __u8     max_page;
        __u8     features[8];
} __packed;

#define HCI_OP_READ_BUFFER_SIZE         0x1005
struct hci_rp_read_buffer_size {
        __u8     status;
        __le16   acl_mtu;
        __u8     sco_mtu;
        __le16   acl_max_pkt;
        __le16   sco_max_pkt;
} __packed;

#define HCI_OP_READ_BD_ADDR             0x1009
struct hci_rp_read_bd_addr {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_READ_DATA_BLOCK_SIZE     0x100a
struct hci_rp_read_data_block_size {
        __u8     status;
        __le16   max_acl_len;
        __le16   block_len;
        __le16   num_blocks;
} __packed;

#define HCI_OP_READ_LOCAL_CODECS        0x100b
struct hci_std_codecs {
        __u8    num;
        __u8    codec[];
} __packed;

struct hci_vnd_codec {
        /* company id */
        __le16  cid;
        /* vendor codec id */
        __le16  vid;
} __packed;

struct hci_vnd_codecs {
        __u8    num;
        struct hci_vnd_codec codec[];
} __packed;

struct hci_rp_read_local_supported_codecs {
        __u8    status;
        struct hci_std_codecs std_codecs;
        struct hci_vnd_codecs vnd_codecs;
} __packed;

#define HCI_OP_READ_LOCAL_PAIRING_OPTS  0x100c
struct hci_rp_read_local_pairing_opts {
        __u8     status;
        __u8     pairing_opts;
        __u8     max_key_size;
} __packed;

#define HCI_OP_READ_LOCAL_CODECS_V2     0x100d
struct hci_std_codec_v2 {
        __u8    id;
        __u8    transport;
} __packed;

struct hci_std_codecs_v2 {
        __u8    num;
        struct hci_std_codec_v2 codec[];
} __packed;

struct hci_vnd_codec_v2 {
        __le16  cid;
        __le16  vid;
        __u8    transport;
} __packed;

struct hci_vnd_codecs_v2 {
        __u8    num;
        struct hci_vnd_codec_v2 codec[];
} __packed;

struct hci_rp_read_local_supported_codecs_v2 {
        __u8    status;
        struct hci_std_codecs_v2 std_codecs;
        struct hci_vnd_codecs_v2 vendor_codecs;
} __packed;

#define HCI_OP_READ_LOCAL_CODEC_CAPS    0x100e
struct hci_op_read_local_codec_caps {
        __u8    id;
        __le16  cid;
        __le16  vid;
        __u8    transport;
        __u8    direction;
} __packed;

struct hci_codec_caps {
        __u8    len;
        __u8    data[];
} __packed;

struct hci_rp_read_local_codec_caps {
        __u8    status;
        __u8    num_caps;
} __packed;

#define HCI_OP_READ_PAGE_SCAN_ACTIVITY  0x0c1b
struct hci_rp_read_page_scan_activity {
        __u8     status;
        __le16   interval;
        __le16   window;
} __packed;

#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
struct hci_cp_write_page_scan_activity {
        __le16   interval;
        __le16   window;
} __packed;

#define HCI_OP_READ_TX_POWER            0x0c2d
struct hci_cp_read_tx_power {
        __le16   handle;
        __u8     type;
} __packed;
struct hci_rp_read_tx_power {
        __u8     status;
        __le16   handle;
        __s8     tx_power;
} __packed;

#define HCI_OP_WRITE_SYNC_FLOWCTL       0x0c2f
struct hci_cp_write_sync_flowctl {
        __u8     enable;
} __packed;

#define HCI_OP_READ_PAGE_SCAN_TYPE      0x0c46
struct hci_rp_read_page_scan_type {
        __u8     status;
        __u8     type;
} __packed;

#define HCI_OP_WRITE_PAGE_SCAN_TYPE     0x0c47
        #define PAGE_SCAN_TYPE_STANDARD         0x00
        #define PAGE_SCAN_TYPE_INTERLACED       0x01

#define HCI_OP_READ_RSSI                0x1405
struct hci_cp_read_rssi {
        __le16   handle;
} __packed;
struct hci_rp_read_rssi {
        __u8     status;
        __le16   handle;
        __s8     rssi;
} __packed;

#define HCI_OP_READ_CLOCK               0x1407
struct hci_cp_read_clock {
        __le16   handle;
        __u8     which;
} __packed;
struct hci_rp_read_clock {
        __u8     status;
        __le16   handle;
        __le32   clock;
        __le16   accuracy;
} __packed;

#define HCI_OP_READ_ENC_KEY_SIZE        0x1408
struct hci_cp_read_enc_key_size {
        __le16   handle;
} __packed;
struct hci_rp_read_enc_key_size {
        __u8     status;
        __le16   handle;
        __u8     key_size;
} __packed;

#define HCI_OP_GET_MWS_TRANSPORT_CONFIG 0x140c

#define HCI_OP_ENABLE_DUT_MODE          0x1803

#define HCI_OP_WRITE_SSP_DEBUG_MODE     0x1804

#define HCI_OP_LE_SET_EVENT_MASK        0x2001
struct hci_cp_le_set_event_mask {
        __u8     mask[8];
} __packed;

/* BLUETOOTH CORE SPECIFICATION Version 5.4 | Vol 4, Part E
 * 7.8.2 LE Read Buffer Size command
 * MAX_LE_MTU is 0xffff.
 * 0 is also valid. It means that no dedicated LE Buffer exists.
 * It should use the HCI_Read_Buffer_Size command and mtu is shared
 * between BR/EDR and LE.
 */
#define HCI_MIN_LE_MTU 0x001b

#define HCI_OP_LE_READ_BUFFER_SIZE      0x2002
struct hci_rp_le_read_buffer_size {
        __u8     status;
        __le16   le_mtu;
        __u8     le_max_pkt;
} __packed;

#define HCI_OP_LE_READ_LOCAL_FEATURES   0x2003
struct hci_rp_le_read_local_features {
        __u8     status;
        __u8     features[8];
} __packed;

#define HCI_OP_LE_SET_RANDOM_ADDR       0x2005

#define HCI_OP_LE_SET_ADV_PARAM         0x2006
struct hci_cp_le_set_adv_param {
        __le16   min_interval;
        __le16   max_interval;
        __u8     type;
        __u8     own_address_type;
        __u8     direct_addr_type;
        bdaddr_t direct_addr;
        __u8     channel_map;
        __u8     filter_policy;
} __packed;

#define HCI_OP_LE_READ_ADV_TX_POWER     0x2007
struct hci_rp_le_read_adv_tx_power {
        __u8    status;
        __s8    tx_power;
} __packed;

#define HCI_MAX_AD_LENGTH               31

#define HCI_OP_LE_SET_ADV_DATA          0x2008
struct hci_cp_le_set_adv_data {
        __u8    length;
        __u8    data[HCI_MAX_AD_LENGTH];
} __packed;

#define HCI_OP_LE_SET_SCAN_RSP_DATA     0x2009
struct hci_cp_le_set_scan_rsp_data {
        __u8    length;
        __u8    data[HCI_MAX_AD_LENGTH];
} __packed;

#define HCI_OP_LE_SET_ADV_ENABLE        0x200a

#define LE_SCAN_PASSIVE                 0x00
#define LE_SCAN_ACTIVE                  0x01

#define HCI_OP_LE_SET_SCAN_PARAM        0x200b
struct hci_cp_le_set_scan_param {
        __u8    type;
        __le16  interval;
        __le16  window;
        __u8    own_address_type;
        __u8    filter_policy;
} __packed;

#define LE_SCAN_DISABLE                 0x00
#define LE_SCAN_ENABLE                  0x01
#define LE_SCAN_FILTER_DUP_DISABLE      0x00
#define LE_SCAN_FILTER_DUP_ENABLE       0x01

#define HCI_OP_LE_SET_SCAN_ENABLE       0x200c
struct hci_cp_le_set_scan_enable {
        __u8     enable;
        __u8     filter_dup;
} __packed;

#define HCI_LE_USE_PEER_ADDR            0x00
#define HCI_LE_USE_ACCEPT_LIST          0x01

#define HCI_OP_LE_CREATE_CONN           0x200d
struct hci_cp_le_create_conn {
        __le16   scan_interval;
        __le16   scan_window;
        __u8     filter_policy;
        __u8     peer_addr_type;
        bdaddr_t peer_addr;
        __u8     own_address_type;
        __le16   conn_interval_min;
        __le16   conn_interval_max;
        __le16   conn_latency;
        __le16   supervision_timeout;
        __le16   min_ce_len;
        __le16   max_ce_len;
} __packed;

#define HCI_OP_LE_CREATE_CONN_CANCEL    0x200e

#define HCI_OP_LE_READ_ACCEPT_LIST_SIZE 0x200f
struct hci_rp_le_read_accept_list_size {
        __u8    status;
        __u8    size;
} __packed;

#define HCI_OP_LE_CLEAR_ACCEPT_LIST     0x2010

#define HCI_OP_LE_ADD_TO_ACCEPT_LIST    0x2011
struct hci_cp_le_add_to_accept_list {
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_LE_DEL_FROM_ACCEPT_LIST  0x2012
struct hci_cp_le_del_from_accept_list {
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_LE_CONN_UPDATE           0x2013
struct hci_cp_le_conn_update {
        __le16   handle;
        __le16   conn_interval_min;
        __le16   conn_interval_max;
        __le16   conn_latency;
        __le16   supervision_timeout;
        __le16   min_ce_len;
        __le16   max_ce_len;
} __packed;

#define HCI_OP_LE_READ_REMOTE_FEATURES  0x2016
struct hci_cp_le_read_remote_features {
        __le16   handle;
} __packed;

#define HCI_OP_LE_START_ENC             0x2019
struct hci_cp_le_start_enc {
        __le16  handle;
        __le64  rand;
        __le16  ediv;
        __u8    ltk[16];
} __packed;

#define HCI_OP_LE_LTK_REPLY             0x201a
struct hci_cp_le_ltk_reply {
        __le16  handle;
        __u8    ltk[16];
} __packed;
struct hci_rp_le_ltk_reply {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_LTK_NEG_REPLY         0x201b
struct hci_cp_le_ltk_neg_reply {
        __le16  handle;
} __packed;
struct hci_rp_le_ltk_neg_reply {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_READ_SUPPORTED_STATES 0x201c
struct hci_rp_le_read_supported_states {
        __u8    status;
        __u8    le_states[8];
} __packed;

#define HCI_OP_LE_CONN_PARAM_REQ_REPLY  0x2020
struct hci_cp_le_conn_param_req_reply {
        __le16  handle;
        __le16  interval_min;
        __le16  interval_max;
        __le16  latency;
        __le16  timeout;
        __le16  min_ce_len;
        __le16  max_ce_len;
} __packed;

#define HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY      0x2021
struct hci_cp_le_conn_param_req_neg_reply {
        __le16  handle;
        __u8    reason;
} __packed;

#define HCI_OP_LE_SET_DATA_LEN          0x2022
struct hci_cp_le_set_data_len {
        __le16  handle;
        __le16  tx_len;
        __le16  tx_time;
} __packed;
struct hci_rp_le_set_data_len {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_READ_DEF_DATA_LEN     0x2023
struct hci_rp_le_read_def_data_len {
        __u8    status;
        __le16  tx_len;
        __le16  tx_time;
} __packed;

#define HCI_OP_LE_WRITE_DEF_DATA_LEN    0x2024
struct hci_cp_le_write_def_data_len {
        __le16  tx_len;
        __le16  tx_time;
} __packed;

#define HCI_OP_LE_ADD_TO_RESOLV_LIST    0x2027
struct hci_cp_le_add_to_resolv_list {
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
        __u8     peer_irk[16];
        __u8     local_irk[16];
} __packed;

#define HCI_OP_LE_DEL_FROM_RESOLV_LIST  0x2028
struct hci_cp_le_del_from_resolv_list {
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
} __packed;

#define HCI_OP_LE_CLEAR_RESOLV_LIST     0x2029

#define HCI_OP_LE_READ_RESOLV_LIST_SIZE 0x202a
struct hci_rp_le_read_resolv_list_size {
        __u8    status;
        __u8    size;
} __packed;

#define HCI_OP_LE_SET_ADDR_RESOLV_ENABLE 0x202d

#define HCI_OP_LE_SET_RPA_TIMEOUT       0x202e

#define HCI_OP_LE_READ_MAX_DATA_LEN     0x202f
struct hci_rp_le_read_max_data_len {
        __u8    status;
        __le16  tx_len;
        __le16  tx_time;
        __le16  rx_len;
        __le16  rx_time;
} __packed;

#define HCI_OP_LE_SET_DEFAULT_PHY       0x2031
struct hci_cp_le_set_default_phy {
        __u8    all_phys;
        __u8    tx_phys;
        __u8    rx_phys;
} __packed;

#define HCI_LE_SET_PHY_1M               0x01
#define HCI_LE_SET_PHY_2M               0x02
#define HCI_LE_SET_PHY_CODED            0x04

#define HCI_OP_LE_SET_PHY               0x2032
struct hci_cp_le_set_phy {
        __le16  handle;
        __u8    all_phys;
        __u8    tx_phys;
        __u8    rx_phys;
        __le16  phy_opts;
} __packed;

#define HCI_OP_LE_SET_EXT_SCAN_PARAMS   0x2041
struct hci_cp_le_set_ext_scan_params {
        __u8    own_addr_type;
        __u8    filter_policy;
        __u8    scanning_phys;
        __u8    data[];
} __packed;

#define LE_SCAN_PHY_1M          0x01
#define LE_SCAN_PHY_2M          0x02
#define LE_SCAN_PHY_CODED       0x04

struct hci_cp_le_scan_phy_params {
        __u8    type;
        __le16  interval;
        __le16  window;
} __packed;

#define HCI_OP_LE_SET_EXT_SCAN_ENABLE   0x2042
struct hci_cp_le_set_ext_scan_enable {
        __u8    enable;
        __u8    filter_dup;
        __le16  duration;
        __le16  period;
} __packed;

#define HCI_OP_LE_EXT_CREATE_CONN    0x2043
struct hci_cp_le_ext_create_conn {
        __u8      filter_policy;
        __u8      own_addr_type;
        __u8      peer_addr_type;
        bdaddr_t  peer_addr;
        __u8      phys;
        __u8      data[];
} __packed;

struct hci_cp_le_ext_conn_param {
        __le16 scan_interval;
        __le16 scan_window;
        __le16 conn_interval_min;
        __le16 conn_interval_max;
        __le16 conn_latency;
        __le16 supervision_timeout;
        __le16 min_ce_len;
        __le16 max_ce_len;
} __packed;

#define HCI_OP_LE_PA_CREATE_SYNC        0x2044
struct hci_cp_le_pa_create_sync {
        __u8      options;
        __u8      sid;
        __u8      addr_type;
        bdaddr_t  addr;
        __le16    skip;
        __le16    sync_timeout;
        __u8      sync_cte_type;
} __packed;

#define HCI_OP_LE_PA_CREATE_SYNC_CANCEL 0x2045

#define HCI_OP_LE_PA_TERM_SYNC          0x2046
struct hci_cp_le_pa_term_sync {
        __le16    handle;
} __packed;

#define HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS   0x203b
struct hci_rp_le_read_num_supported_adv_sets {
        __u8  status;
        __u8  num_of_sets;
} __packed;

#define HCI_OP_LE_SET_EXT_ADV_PARAMS            0x2036
struct hci_cp_le_set_ext_adv_params {
        __u8      handle;
        __le16    evt_properties;
        __u8      min_interval[3];
        __u8      max_interval[3];
        __u8      channel_map;
        __u8      own_addr_type;
        __u8      peer_addr_type;
        bdaddr_t  peer_addr;
        __u8      filter_policy;
        __u8      tx_power;
        __u8      primary_phy;
        __u8      secondary_max_skip;
        __u8      secondary_phy;
        __u8      sid;
        __u8      notif_enable;
} __packed;

#define HCI_ADV_PHY_1M          0X01
#define HCI_ADV_PHY_2M          0x02
#define HCI_ADV_PHY_CODED       0x03

struct hci_rp_le_set_ext_adv_params {
        __u8  status;
        __u8  tx_power;
} __packed;

struct hci_cp_ext_adv_set {
        __u8  handle;
        __le16 duration;
        __u8  max_events;
} __packed;

#define HCI_MAX_EXT_AD_LENGTH   251

#define HCI_OP_LE_SET_EXT_ADV_DATA              0x2037
struct hci_cp_le_set_ext_adv_data {
        __u8  handle;
        __u8  operation;
        __u8  frag_pref;
        __u8  length;
        __u8  data[] __counted_by(length);
} __packed;

#define HCI_OP_LE_SET_EXT_SCAN_RSP_DATA         0x2038
struct hci_cp_le_set_ext_scan_rsp_data {
        __u8  handle;
        __u8  operation;
        __u8  frag_pref;
        __u8  length;
        __u8  data[] __counted_by(length);
} __packed;

#define HCI_OP_LE_SET_EXT_ADV_ENABLE            0x2039
struct hci_cp_le_set_ext_adv_enable {
        __u8  enable;
        __u8  num_of_sets;
        __u8  data[];
} __packed;

#define HCI_OP_LE_SET_PER_ADV_PARAMS            0x203e
struct hci_cp_le_set_per_adv_params {
        __u8      handle;
        __le16    min_interval;
        __le16    max_interval;
        __le16    periodic_properties;
} __packed;

#define HCI_MAX_PER_AD_LENGTH   252
#define HCI_MAX_PER_AD_TOT_LEN  1650

#define HCI_OP_LE_SET_PER_ADV_DATA              0x203f
struct hci_cp_le_set_per_adv_data {
        __u8  handle;
        __u8  operation;
        __u8  length;
        __u8  data[] __counted_by(length);
} __packed;

#define HCI_OP_LE_SET_PER_ADV_ENABLE            0x2040
struct hci_cp_le_set_per_adv_enable {
        __u8  enable;
        __u8  handle;
} __packed;

#define LE_SET_ADV_DATA_OP_COMPLETE     0x03

#define LE_SET_ADV_DATA_NO_FRAG         0x01

#define HCI_OP_LE_REMOVE_ADV_SET        0x203c

#define HCI_OP_LE_CLEAR_ADV_SETS        0x203d

#define HCI_OP_LE_SET_ADV_SET_RAND_ADDR 0x2035
struct hci_cp_le_set_adv_set_rand_addr {
        __u8  handle;
        bdaddr_t  bdaddr;
} __packed;

#define HCI_OP_LE_READ_TRANSMIT_POWER   0x204b
struct hci_rp_le_read_transmit_power {
        __u8  status;
        __s8  min_le_tx_power;
        __s8  max_le_tx_power;
} __packed;

#define HCI_NETWORK_PRIVACY             0x00
#define HCI_DEVICE_PRIVACY              0x01

#define HCI_OP_LE_SET_PRIVACY_MODE      0x204e
struct hci_cp_le_set_privacy_mode {
        __u8  bdaddr_type;
        bdaddr_t  bdaddr;
        __u8  mode;
} __packed;

#define HCI_OP_LE_PAST                  0x205a
struct hci_cp_le_past {
        __le16 handle;
        __le16 service_data;
        __le16 sync_handle;
} __packed;

struct hci_rp_le_past {
        __u8   status;
        __le16 handle;
} __packed;

#define HCI_OP_LE_PAST_SET_INFO         0x205b
struct hci_cp_le_past_set_info {
        __le16 handle;
        __le16 service_data;
        __u8   adv_handle;
} __packed;

struct hci_rp_le_past_set_info {
        __u8   status;
        __le16 handle;
} __packed;

#define HCI_OP_LE_PAST_PARAMS           0x205c
struct hci_cp_le_past_params {
        __le16  handle;
        __u8    mode;
        __le16  skip;
        __le16  sync_timeout;
        __u8    cte_type;
} __packed;

struct hci_rp_le_past_params {
        __u8   status;
        __le16 handle;
} __packed;

#define HCI_OP_LE_READ_BUFFER_SIZE_V2   0x2060
struct hci_rp_le_read_buffer_size_v2 {
        __u8    status;
        __le16  acl_mtu;
        __u8    acl_max_pkt;
        __le16  iso_mtu;
        __u8    iso_max_pkt;
} __packed;

#define HCI_OP_LE_READ_ISO_TX_SYNC              0x2061
struct hci_cp_le_read_iso_tx_sync {
        __le16  handle;
} __packed;

struct hci_rp_le_read_iso_tx_sync {
        __u8    status;
        __le16  handle;
        __le16  seq;
        __le32  imestamp;
        __u8    offset[3];
} __packed;

#define HCI_OP_LE_SET_CIG_PARAMS                0x2062
struct hci_cis_params {
        __u8    cis_id;
        __le16  c_sdu;
        __le16  p_sdu;
        __u8    c_phys;
        __u8    p_phys;
        __u8    c_rtn;
        __u8    p_rtn;
} __packed;

struct hci_cp_le_set_cig_params {
        __u8    cig_id;
        __u8    c_interval[3];
        __u8    p_interval[3];
        __u8    sca;
        __u8    packing;
        __u8    framing;
        __le16  c_latency;
        __le16  p_latency;
        __u8    num_cis;
        struct hci_cis_params cis[] __counted_by(num_cis);
} __packed;

struct hci_rp_le_set_cig_params {
        __u8    status;
        __u8    cig_id;
        __u8    num_handles;
        __le16  handle[];
} __packed;

#define HCI_OP_LE_CREATE_CIS                    0x2064
struct hci_cis {
        __le16  cis_handle;
        __le16  acl_handle;
} __packed;

struct hci_cp_le_create_cis {
        __u8    num_cis;
        struct hci_cis cis[] __counted_by(num_cis);
} __packed;

#define HCI_OP_LE_REMOVE_CIG                    0x2065
struct hci_cp_le_remove_cig {
        __u8    cig_id;
} __packed;

#define HCI_OP_LE_ACCEPT_CIS                    0x2066
struct hci_cp_le_accept_cis {
        __le16  handle;
} __packed;

#define HCI_OP_LE_REJECT_CIS                    0x2067
struct hci_cp_le_reject_cis {
        __le16  handle;
        __u8    reason;
} __packed;

#define HCI_OP_LE_CREATE_BIG                    0x2068
struct hci_bis {
        __u8    sdu_interval[3];
        __le16  sdu;
        __le16  latency;
        __u8    rtn;
        __u8    phy;
        __u8    packing;
        __u8    framing;
        __u8    encryption;
        __u8    bcode[16];
} __packed;

struct hci_cp_le_create_big {
        __u8    handle;
        __u8    adv_handle;
        __u8    num_bis;
        struct hci_bis bis;
} __packed;

#define HCI_OP_LE_TERM_BIG                      0x206a
struct hci_cp_le_term_big {
        __u8    handle;
        __u8    reason;
} __packed;

#define HCI_OP_LE_BIG_CREATE_SYNC               0x206b
struct hci_cp_le_big_create_sync {
        __u8    handle;
        __le16  sync_handle;
        __u8    encryption;
        __u8    bcode[16];
        __u8    mse;
        __le16  timeout;
        __u8    num_bis;
        __u8    bis[] __counted_by(num_bis);
} __packed;

#define HCI_OP_LE_BIG_TERM_SYNC                 0x206c
struct hci_cp_le_big_term_sync {
        __u8    handle;
} __packed;

#define HCI_OP_LE_SETUP_ISO_PATH                0x206e
struct hci_cp_le_setup_iso_path {
        __le16  handle;
        __u8    direction;
        __u8    path;
        __u8    codec;
        __le16  codec_cid;
        __le16  codec_vid;
        __u8    delay[3];
        __u8    codec_cfg_len;
        __u8    codec_cfg[];
} __packed;

struct hci_rp_le_setup_iso_path {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_SET_HOST_FEATURE              0x2074
struct hci_cp_le_set_host_feature {
        __u8     bit_number;
        __u8     bit_value;
} __packed;

#define HCI_OP_LE_READ_ALL_LOCAL_FEATURES       0x2087
struct hci_rp_le_read_all_local_features {
        __u8    status;
        __u8    page;
        __u8    features[248];
} __packed;

#define HCI_OP_LE_READ_ALL_REMOTE_FEATURES      0x2088
struct hci_cp_le_read_all_remote_features {
        __le16   handle;
        __u8     pages;
} __packed;

/* Channel Sounding Commands */
#define HCI_OP_LE_CS_RD_LOCAL_SUPP_CAP  0x2089
struct hci_rp_le_cs_rd_local_supp_cap {
        __u8    status;
        __u8    num_config_supported;
        __le16  max_consecutive_procedures_supported;
        __u8    num_antennas_supported;
        __u8    max_antenna_paths_supported;
        __u8    roles_supported;
        __u8    modes_supported;
        __u8    rtt_capability;
        __u8    rtt_aa_only_n;
        __u8    rtt_sounding_n;
        __u8    rtt_random_payload_n;
        __le16  nadm_sounding_capability;
        __le16  nadm_random_capability;
        __u8    cs_sync_phys_supported;
        __le16  subfeatures_supported;
        __le16  t_ip1_times_supported;
        __le16  t_ip2_times_supported;
        __le16  t_fcs_times_supported;
        __le16  t_pm_times_supported;
        __u8    t_sw_time_supported;
        __u8    tx_snr_capability;
} __packed;

#define HCI_OP_LE_CS_RD_RMT_SUPP_CAP            0x208A
struct hci_cp_le_cs_rd_local_supp_cap {
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_WR_CACHED_RMT_SUPP_CAP     0x208B
struct hci_cp_le_cs_wr_cached_rmt_supp_cap {
        __le16  handle;
        __u8    num_config_supported;
        __le16  max_consecutive_procedures_supported;
        __u8    num_antennas_supported;
        __u8    max_antenna_paths_supported;
        __u8    roles_supported;
        __u8    modes_supported;
        __u8    rtt_capability;
        __u8    rtt_aa_only_n;
        __u8    rtt_sounding_n;
        __u8    rtt_random_payload_n;
        __le16  nadm_sounding_capability;
        __le16  nadm_random_capability;
        __u8    cs_sync_phys_supported;
        __le16  subfeatures_supported;
        __le16  t_ip1_times_supported;
        __le16  t_ip2_times_supported;
        __le16  t_fcs_times_supported;
        __le16  t_pm_times_supported;
        __u8    t_sw_time_supported;
        __u8    tx_snr_capability;
} __packed;

struct hci_rp_le_cs_wr_cached_rmt_supp_cap {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_SEC_ENABLE                 0x208C
struct hci_cp_le_cs_sec_enable {
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_SET_DEFAULT_SETTINGS       0x208D
struct hci_cp_le_cs_set_default_settings {
        __le16  handle;
        __u8    role_enable;
        __u8    cs_sync_ant_sel;
        __s8    max_tx_power;
} __packed;

struct hci_rp_le_cs_set_default_settings {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_RD_RMT_FAE_TABLE           0x208E
struct hci_cp_le_cs_rd_rmt_fae_table {
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_WR_CACHED_RMT_FAE_TABLE    0x208F
struct hci_cp_le_cs_wr_rmt_cached_fae_table {
        __le16  handle;
        __u8    remote_fae_table[72];
} __packed;

struct hci_rp_le_cs_wr_rmt_cached_fae_table {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_CREATE_CONFIG              0x2090
struct hci_cp_le_cs_create_config {
        __le16  handle;
        __u8    config_id;
        __u8    create_context;
        __u8    main_mode_type;
        __u8    sub_mode_type;
        __u8    min_main_mode_steps;
        __u8    max_main_mode_steps;
        __u8    main_mode_repetition;
        __u8    mode_0_steps;
        __u8    role;
        __u8    rtt_type;
        __u8    cs_sync_phy;
        __u8    channel_map[10];
        __u8    channel_map_repetition;
        __u8    channel_selection_type;
        __u8    ch3c_shape;
        __u8    ch3c_jump;
        __u8    reserved;
} __packed;

#define HCI_OP_LE_CS_REMOVE_CONFIG              0x2091
struct hci_cp_le_cs_remove_config {
        __le16  handle;
        __u8    config_id;
} __packed;

#define HCI_OP_LE_CS_SET_CH_CLASSIFICATION      0x2092
struct hci_cp_le_cs_set_ch_classification {
        __u8    ch_classification[10];
} __packed;

struct hci_rp_le_cs_set_ch_classification {
        __u8    status;
} __packed;

#define HCI_OP_LE_CS_SET_PROC_PARAM             0x2093
struct hci_cp_le_cs_set_proc_param {
        __le16  handle;
        __u8    config_id;
        __le16  max_procedure_len;
        __le16  min_procedure_interval;
        __le16  max_procedure_interval;
        __le16  max_procedure_count;
        __u8    min_subevent_len[3];
        __u8    max_subevent_len[3];
        __u8    tone_antenna_config_selection;
        __u8    phy;
        __u8    tx_power_delta;
        __u8    preferred_peer_antenna;
        __u8    snr_control_initiator;
        __u8    snr_control_reflector;
} __packed;

struct hci_rp_le_cs_set_proc_param {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_OP_LE_CS_SET_PROC_ENABLE            0x2094
struct hci_cp_le_cs_set_proc_enable {
        __le16  handle;
        __u8    config_id;
        __u8    enable;
} __packed;

#define HCI_OP_LE_CS_TEST                       0x2095
struct hci_cp_le_cs_test {
        __u8    main_mode_type;
        __u8    sub_mode_type;
        __u8    main_mode_repetition;
        __u8    mode_0_steps;
        __u8    role;
        __u8    rtt_type;
        __u8    cs_sync_phy;
        __u8    cs_sync_antenna_selection;
        __u8    subevent_len[3];
        __le16  subevent_interval;
        __u8    max_num_subevents;
        __u8    transmit_power_level;
        __u8    t_ip1_time;
        __u8    t_ip2_time;
        __u8    t_fcs_time;
        __u8    t_pm_time;
        __u8    t_sw_time;
        __u8    tone_antenna_config_selection;
        __u8    reserved;
        __u8    snr_control_initiator;
        __u8    snr_control_reflector;
        __le16  drbg_nonce;
        __u8    channel_map_repetition;
        __le16  override_config;
        __u8    override_parameters_length;
        __u8    override_parameters_data[];
} __packed;

struct hci_rp_le_cs_test {
        __u8    status;
} __packed;

#define HCI_OP_LE_CS_TEST_END                   0x2096

/* ---- HCI Events ---- */
struct hci_ev_status {
        __u8    status;
} __packed;

#define HCI_EV_INQUIRY_COMPLETE         0x01

#define HCI_EV_INQUIRY_RESULT           0x02
struct inquiry_info {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
        __u8     pscan_period_mode;
        __u8     pscan_mode;
        __u8     dev_class[3];
        __le16   clock_offset;
} __packed;

struct hci_ev_inquiry_result {
        __u8    num;
        struct inquiry_info info[];
};

#define HCI_EV_CONN_COMPLETE            0x03
struct hci_ev_conn_complete {
        __u8     status;
        __le16   handle;
        bdaddr_t bdaddr;
        __u8     link_type;
        __u8     encr_mode;
} __packed;

#define HCI_EV_CONN_REQUEST             0x04
struct hci_ev_conn_request {
        bdaddr_t bdaddr;
        __u8     dev_class[3];
        __u8     link_type;
} __packed;

#define HCI_EV_DISCONN_COMPLETE         0x05
struct hci_ev_disconn_complete {
        __u8     status;
        __le16   handle;
        __u8     reason;
} __packed;

#define HCI_EV_AUTH_COMPLETE            0x06
struct hci_ev_auth_complete {
        __u8     status;
        __le16   handle;
} __packed;

#define HCI_EV_REMOTE_NAME              0x07
struct hci_ev_remote_name {
        __u8     status;
        bdaddr_t bdaddr;
        __u8     name[HCI_MAX_NAME_LENGTH];
} __packed;

#define HCI_EV_ENCRYPT_CHANGE           0x08
struct hci_ev_encrypt_change {
        __u8     status;
        __le16   handle;
        __u8     encrypt;
} __packed;

#define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09
struct hci_ev_change_link_key_complete {
        __u8     status;
        __le16   handle;
} __packed;

#define HCI_EV_REMOTE_FEATURES          0x0b
struct hci_ev_remote_features {
        __u8     status;
        __le16   handle;
        __u8     features[8];
} __packed;

#define HCI_EV_REMOTE_VERSION           0x0c
struct hci_ev_remote_version {
        __u8     status;
        __le16   handle;
        __u8     lmp_ver;
        __le16   manufacturer;
        __le16   lmp_subver;
} __packed;

#define HCI_EV_QOS_SETUP_COMPLETE       0x0d
struct hci_qos {
        __u8     service_type;
        __u32    token_rate;
        __u32    peak_bandwidth;
        __u32    latency;
        __u32    delay_variation;
} __packed;
struct hci_ev_qos_setup_complete {
        __u8     status;
        __le16   handle;
        struct   hci_qos qos;
} __packed;

#define HCI_EV_CMD_COMPLETE             0x0e
struct hci_ev_cmd_complete {
        __u8     ncmd;
        __le16   opcode;
} __packed;

#define HCI_EV_CMD_STATUS               0x0f
struct hci_ev_cmd_status {
        __u8     status;
        __u8     ncmd;
        __le16   opcode;
} __packed;

#define HCI_EV_HARDWARE_ERROR           0x10
struct hci_ev_hardware_error {
        __u8     code;
} __packed;

#define HCI_EV_ROLE_CHANGE              0x12
struct hci_ev_role_change {
        __u8     status;
        bdaddr_t bdaddr;
        __u8     role;
} __packed;

#define HCI_EV_NUM_COMP_PKTS            0x13
struct hci_comp_pkts_info {
        __le16   handle;
        __le16   count;
} __packed;

struct hci_ev_num_comp_pkts {
        __u8     num;
        struct hci_comp_pkts_info handles[];
} __packed;

#define HCI_EV_MODE_CHANGE              0x14
struct hci_ev_mode_change {
        __u8     status;
        __le16   handle;
        __u8     mode;
        __le16   interval;
} __packed;

#define HCI_EV_PIN_CODE_REQ             0x16
struct hci_ev_pin_code_req {
        bdaddr_t bdaddr;
} __packed;

#define HCI_EV_LINK_KEY_REQ             0x17
struct hci_ev_link_key_req {
        bdaddr_t bdaddr;
} __packed;

#define HCI_EV_LINK_KEY_NOTIFY          0x18
struct hci_ev_link_key_notify {
        bdaddr_t bdaddr;
        __u8     link_key[HCI_LINK_KEY_SIZE];
        __u8     key_type;
} __packed;

#define HCI_EV_CLOCK_OFFSET             0x1c
struct hci_ev_clock_offset {
        __u8     status;
        __le16   handle;
        __le16   clock_offset;
} __packed;

#define HCI_EV_PKT_TYPE_CHANGE          0x1d
struct hci_ev_pkt_type_change {
        __u8     status;
        __le16   handle;
        __le16   pkt_type;
} __packed;

#define HCI_EV_PSCAN_REP_MODE           0x20
struct hci_ev_pscan_rep_mode {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
} __packed;

#define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22
struct inquiry_info_rssi {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
        __u8     pscan_period_mode;
        __u8     dev_class[3];
        __le16   clock_offset;
        __s8     rssi;
} __packed;
struct inquiry_info_rssi_pscan {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
        __u8     pscan_period_mode;
        __u8     pscan_mode;
        __u8     dev_class[3];
        __le16   clock_offset;
        __s8     rssi;
} __packed;
struct hci_ev_inquiry_result_rssi {
        __u8     num;
        __u8     data[];
} __packed;

#define HCI_EV_REMOTE_EXT_FEATURES      0x23
struct hci_ev_remote_ext_features {
        __u8     status;
        __le16   handle;
        __u8     page;
        __u8     max_page;
        __u8     features[8];
} __packed;

#define HCI_EV_SYNC_CONN_COMPLETE       0x2c
struct hci_ev_sync_conn_complete {
        __u8     status;
        __le16   handle;
        bdaddr_t bdaddr;
        __u8     link_type;
        __u8     tx_interval;
        __u8     retrans_window;
        __le16   rx_pkt_len;
        __le16   tx_pkt_len;
        __u8     air_mode;
} __packed;

#define HCI_EV_SYNC_CONN_CHANGED        0x2d
struct hci_ev_sync_conn_changed {
        __u8     status;
        __le16   handle;
        __u8     tx_interval;
        __u8     retrans_window;
        __le16   rx_pkt_len;
        __le16   tx_pkt_len;
} __packed;

#define HCI_EV_SNIFF_SUBRATE            0x2e
struct hci_ev_sniff_subrate {
        __u8     status;
        __le16   handle;
        __le16   max_tx_latency;
        __le16   max_rx_latency;
        __le16   max_remote_timeout;
        __le16   max_local_timeout;
} __packed;

#define HCI_EV_EXTENDED_INQUIRY_RESULT  0x2f
struct extended_inquiry_info {
        bdaddr_t bdaddr;
        __u8     pscan_rep_mode;
        __u8     pscan_period_mode;
        __u8     dev_class[3];
        __le16   clock_offset;
        __s8     rssi;
        __u8     data[240];
} __packed;

struct hci_ev_ext_inquiry_result {
        __u8     num;
        struct extended_inquiry_info info[];
} __packed;

#define HCI_EV_KEY_REFRESH_COMPLETE     0x30
struct hci_ev_key_refresh_complete {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_EV_IO_CAPA_REQUEST          0x31
struct hci_ev_io_capa_request {
        bdaddr_t bdaddr;
} __packed;

#define HCI_EV_IO_CAPA_REPLY            0x32
struct hci_ev_io_capa_reply {
        bdaddr_t bdaddr;
        __u8     capability;
        __u8     oob_data;
        __u8     authentication;
} __packed;

#define HCI_EV_USER_CONFIRM_REQUEST     0x33
struct hci_ev_user_confirm_req {
        bdaddr_t        bdaddr;
        __le32          passkey;
} __packed;

#define HCI_EV_USER_PASSKEY_REQUEST     0x34
struct hci_ev_user_passkey_req {
        bdaddr_t        bdaddr;
} __packed;

#define HCI_EV_REMOTE_OOB_DATA_REQUEST  0x35
struct hci_ev_remote_oob_data_request {
        bdaddr_t bdaddr;
} __packed;

#define HCI_EV_SIMPLE_PAIR_COMPLETE     0x36
struct hci_ev_simple_pair_complete {
        __u8     status;
        bdaddr_t bdaddr;
} __packed;

#define HCI_EV_USER_PASSKEY_NOTIFY      0x3b
struct hci_ev_user_passkey_notify {
        bdaddr_t        bdaddr;
        __le32          passkey;
} __packed;

#define HCI_KEYPRESS_STARTED            0
#define HCI_KEYPRESS_ENTERED            1
#define HCI_KEYPRESS_ERASED             2
#define HCI_KEYPRESS_CLEARED            3
#define HCI_KEYPRESS_COMPLETED          4

#define HCI_EV_KEYPRESS_NOTIFY          0x3c
struct hci_ev_keypress_notify {
        bdaddr_t        bdaddr;
        __u8            type;
} __packed;

#define HCI_EV_REMOTE_HOST_FEATURES     0x3d
struct hci_ev_remote_host_features {
        bdaddr_t bdaddr;
        __u8     features[8];
} __packed;

#define HCI_EV_LE_META                  0x3e
struct hci_ev_le_meta {
        __u8     subevent;
} __packed;

#define HCI_EV_PHY_LINK_COMPLETE        0x40
struct hci_ev_phy_link_complete {
        __u8     status;
        __u8     phy_handle;
} __packed;

#define HCI_EV_CHANNEL_SELECTED         0x41
struct hci_ev_channel_selected {
        __u8     phy_handle;
} __packed;

#define HCI_EV_DISCONN_PHY_LINK_COMPLETE        0x42
struct hci_ev_disconn_phy_link_complete {
        __u8     status;
        __u8     phy_handle;
        __u8     reason;
} __packed;

#define HCI_EV_LOGICAL_LINK_COMPLETE            0x45
struct hci_ev_logical_link_complete {
        __u8     status;
        __le16   handle;
        __u8     phy_handle;
        __u8     flow_spec_id;
} __packed;

#define HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE    0x46
struct hci_ev_disconn_logical_link_complete {
        __u8     status;
        __le16   handle;
        __u8     reason;
} __packed;

#define HCI_EV_NUM_COMP_BLOCKS          0x48
struct hci_comp_blocks_info {
        __le16   handle;
        __le16   pkts;
        __le16   blocks;
} __packed;

struct hci_ev_num_comp_blocks {
        __le16   num_blocks;
        __u8     num_hndl;
        struct hci_comp_blocks_info handles[];
} __packed;

#define HCI_EV_SYNC_TRAIN_COMPLETE      0x4F
struct hci_ev_sync_train_complete {
        __u8    status;
} __packed;

#define HCI_EV_PERIPHERAL_PAGE_RESP_TIMEOUT     0x54

#define HCI_EV_LE_CONN_COMPLETE         0x01
struct hci_ev_le_conn_complete {
        __u8     status;
        __le16   handle;
        __u8     role;
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
        __le16   interval;
        __le16   latency;
        __le16   supervision_timeout;
        __u8     clk_accurancy;
} __packed;

/* Advertising report event types */
#define LE_ADV_IND              0x00
#define LE_ADV_DIRECT_IND       0x01
#define LE_ADV_SCAN_IND         0x02
#define LE_ADV_NONCONN_IND      0x03
#define LE_ADV_SCAN_RSP         0x04
#define LE_ADV_INVALID          0x05

/* Legacy event types in extended adv report */
#define LE_LEGACY_ADV_IND               0x0013
#define LE_LEGACY_ADV_DIRECT_IND        0x0015
#define LE_LEGACY_ADV_SCAN_IND          0x0012
#define LE_LEGACY_NONCONN_IND           0x0010
#define LE_LEGACY_SCAN_RSP_ADV          0x001b
#define LE_LEGACY_SCAN_RSP_ADV_SCAN     0x001a

/* Extended Advertising event types */
#define LE_EXT_ADV_NON_CONN_IND         0x0000
#define LE_EXT_ADV_CONN_IND             0x0001
#define LE_EXT_ADV_SCAN_IND             0x0002
#define LE_EXT_ADV_DIRECT_IND           0x0004
#define LE_EXT_ADV_SCAN_RSP             0x0008
#define LE_EXT_ADV_LEGACY_PDU           0x0010
#define LE_EXT_ADV_DATA_STATUS_MASK     0x0060
#define LE_EXT_ADV_EVT_TYPE_MASK        0x007f

#define ADDR_LE_DEV_PUBLIC              0x00
#define ADDR_LE_DEV_RANDOM              0x01
#define ADDR_LE_DEV_PUBLIC_RESOLVED     0x02
#define ADDR_LE_DEV_RANDOM_RESOLVED     0x03

#define HCI_EV_LE_ADVERTISING_REPORT    0x02
struct hci_ev_le_advertising_info {
        __u8     type;
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
        __u8     length;
        __u8     data[];
} __packed;

struct hci_ev_le_advertising_report {
        __u8    num;
        struct hci_ev_le_advertising_info info[];
} __packed;

#define HCI_EV_LE_CONN_UPDATE_COMPLETE  0x03
struct hci_ev_le_conn_update_complete {
        __u8     status;
        __le16   handle;
        __le16   interval;
        __le16   latency;
        __le16   supervision_timeout;
} __packed;

#define HCI_EV_LE_REMOTE_FEAT_COMPLETE  0x04
struct hci_ev_le_remote_feat_complete {
        __u8     status;
        __le16   handle;
        __u8     features[8];
} __packed;

#define HCI_EV_LE_LTK_REQ               0x05
struct hci_ev_le_ltk_req {
        __le16  handle;
        __le64  rand;
        __le16  ediv;
} __packed;

#define HCI_EV_LE_REMOTE_CONN_PARAM_REQ 0x06
struct hci_ev_le_remote_conn_param_req {
        __le16 handle;
        __le16 interval_min;
        __le16 interval_max;
        __le16 latency;
        __le16 timeout;
} __packed;

#define HCI_EV_LE_DATA_LEN_CHANGE       0x07
struct hci_ev_le_data_len_change {
        __le16  handle;
        __le16  tx_len;
        __le16  tx_time;
        __le16  rx_len;
        __le16  rx_time;
} __packed;

#define HCI_EV_LE_DIRECT_ADV_REPORT     0x0B
struct hci_ev_le_direct_adv_info {
        __u8     type;
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
        __u8     direct_addr_type;
        bdaddr_t direct_addr;
        __s8     rssi;
} __packed;

struct hci_ev_le_direct_adv_report {
        __u8     num;
        struct hci_ev_le_direct_adv_info info[];
} __packed;

#define HCI_EV_LE_PHY_UPDATE_COMPLETE   0x0c
struct hci_ev_le_phy_update_complete {
        __u8  status;
        __le16 handle;
        __u8  tx_phy;
        __u8  rx_phy;
} __packed;

#define HCI_EV_LE_EXT_ADV_REPORT    0x0d
struct hci_ev_le_ext_adv_info {
        __le16   type;
        __u8     bdaddr_type;
        bdaddr_t bdaddr;
        __u8     primary_phy;
        __u8     secondary_phy;
        __u8     sid;
        __u8     tx_power;
        __s8     rssi;
        __le16   interval;
        __u8     direct_addr_type;
        bdaddr_t direct_addr;
        __u8     length;
        __u8     data[];
} __packed;

struct hci_ev_le_ext_adv_report {
        __u8     num;
        struct hci_ev_le_ext_adv_info info[];
} __packed;

#define HCI_EV_LE_PA_SYNC_ESTABLISHED   0x0e
struct hci_ev_le_pa_sync_established {
        __u8      status;
        __le16    handle;
        __u8      sid;
        __u8      bdaddr_type;
        bdaddr_t  bdaddr;
        __u8      phy;
        __le16    interval;
        __u8      clock_accuracy;
} __packed;

#define HCI_EV_LE_ENHANCED_CONN_COMPLETE    0x0a
struct hci_ev_le_enh_conn_complete {
        __u8      status;
        __le16    handle;
        __u8      role;
        __u8      bdaddr_type;
        bdaddr_t  bdaddr;
        bdaddr_t  local_rpa;
        bdaddr_t  peer_rpa;
        __le16    interval;
        __le16    latency;
        __le16    supervision_timeout;
        __u8      clk_accurancy;
} __packed;

#define HCI_EV_LE_PER_ADV_REPORT    0x0f
struct hci_ev_le_per_adv_report {
        __le16   sync_handle;
        __u8     tx_power;
        __u8     rssi;
        __u8     cte_type;
        __u8     data_status;
        __u8     length;
        __u8     data[];
} __packed;

#define HCI_EV_LE_PA_SYNC_LOST          0x10
struct hci_ev_le_pa_sync_lost {
        __le16 handle;
} __packed;

#define LE_PA_DATA_COMPLETE     0x00
#define LE_PA_DATA_MORE_TO_COME 0x01
#define LE_PA_DATA_TRUNCATED    0x02

#define HCI_EV_LE_EXT_ADV_SET_TERM      0x12
struct hci_evt_le_ext_adv_set_term {
        __u8    status;
        __u8    handle;
        __le16  conn_handle;
        __u8    num_evts;
} __packed;

#define HCI_EV_LE_PAST_RECEIVED         0x18
struct hci_ev_le_past_received {
        __u8   status;
        __le16 handle;
        __le16 service_data;
        __le16 sync_handle;
        __u8   sid;
        __u8   bdaddr_type;
        bdaddr_t  bdaddr;
        __u8   phy;
        __le16 interval;
        __u8   clock_accuracy;
} __packed;

#define HCI_EVT_LE_CIS_ESTABLISHED      0x19
struct hci_evt_le_cis_established {
        __u8  status;
        __le16 handle;
        __u8  cig_sync_delay[3];
        __u8  cis_sync_delay[3];
        __u8  c_latency[3];
        __u8  p_latency[3];
        __u8  c_phy;
        __u8  p_phy;
        __u8  nse;
        __u8  c_bn;
        __u8  p_bn;
        __u8  c_ft;
        __u8  p_ft;
        __le16 c_mtu;
        __le16 p_mtu;
        __le16 interval;
} __packed;

#define HCI_EVT_LE_CIS_REQ              0x1a
struct hci_evt_le_cis_req {
        __le16 acl_handle;
        __le16 cis_handle;
        __u8  cig_id;
        __u8  cis_id;
} __packed;

#define HCI_EVT_LE_CREATE_BIG_COMPLETE  0x1b
struct hci_evt_le_create_big_complete {
        __u8    status;
        __u8    handle;
        __u8    sync_delay[3];
        __u8    transport_delay[3];
        __u8    phy;
        __u8    nse;
        __u8    bn;
        __u8    pto;
        __u8    irc;
        __le16  max_pdu;
        __le16  interval;
        __u8    num_bis;
        __le16  bis_handle[];
} __packed;

#define HCI_EVT_LE_BIG_SYNC_ESTABLISHED 0x1d
struct hci_evt_le_big_sync_established {
        __u8    status;
        __u8    handle;
        __u8    latency[3];
        __u8    nse;
        __u8    bn;
        __u8    pto;
        __u8    irc;
        __le16  max_pdu;
        __le16  interval;
        __u8    num_bis;
        __le16  bis[];
} __packed;

#define HCI_EVT_LE_BIG_SYNC_LOST 0x1e
struct hci_evt_le_big_sync_lost {
        __u8    handle;
        __u8    reason;
} __packed;

#define HCI_EVT_LE_BIG_INFO_ADV_REPORT  0x22
struct hci_evt_le_big_info_adv_report {
        __le16  sync_handle;
        __u8    num_bis;
        __u8    nse;
        __le16  iso_interval;
        __u8    bn;
        __u8    pto;
        __u8    irc;
        __le16  max_pdu;
        __u8    sdu_interval[3];
        __le16  max_sdu;
        __u8    phy;
        __u8    framing;
        __u8    encryption;
} __packed;

#define HCI_EVT_LE_ALL_REMOTE_FEATURES_COMPLETE 0x2b
struct hci_evt_le_read_all_remote_features_complete {
        __u8    status;
        __le16  handle;
        __u8    max_pages;
        __u8    valid_pages;
        __u8    features[248];
} __packed;

/* Channel Sounding Events */
#define HCI_EVT_LE_CS_READ_RMT_SUPP_CAP_COMPLETE        0x2C
struct hci_evt_le_cs_read_rmt_supp_cap_complete {
        __u8    status;
        __le16  handle;
        __u8    num_configs_supp;
        __le16  max_consec_proc_supp;
        __u8    num_ant_supp;
        __u8    max_ant_path_supp;
        __u8    roles_supp;
        __u8    modes_supp;
        __u8    rtt_cap;
        __u8    rtt_aa_only_n;
        __u8    rtt_sounding_n;
        __u8    rtt_rand_payload_n;
        __le16  nadm_sounding_cap;
        __le16  nadm_rand_cap;
        __u8    cs_sync_phys_supp;
        __le16  sub_feat_supp;
        __le16  t_ip1_times_supp;
        __le16  t_ip2_times_supp;
        __le16  t_fcs_times_supp;
        __le16  t_pm_times_supp;
        __u8    t_sw_times_supp;
        __u8    tx_snr_cap;
} __packed;

#define HCI_EVT_LE_CS_READ_RMT_FAE_TABLE_COMPLETE       0x2D
struct hci_evt_le_cs_read_rmt_fae_table_complete {
        __u8    status;
        __le16  handle;
        __u8    remote_fae_table[72];
} __packed;

#define HCI_EVT_LE_CS_SECURITY_ENABLE_COMPLETE          0x2E
struct hci_evt_le_cs_security_enable_complete {
        __u8    status;
        __le16  handle;
} __packed;

#define HCI_EVT_LE_CS_CONFIG_COMPLETE                   0x2F
struct hci_evt_le_cs_config_complete {
        __u8    status;
        __le16  handle;
        __u8    config_id;
        __u8    action;
        __u8    main_mode_type;
        __u8    sub_mode_type;
        __u8    min_main_mode_steps;
        __u8    max_main_mode_steps;
        __u8    main_mode_rep;
        __u8    mode_0_steps;
        __u8    role;
        __u8    rtt_type;
        __u8    cs_sync_phy;
        __u8    channel_map[10];
        __u8    channel_map_rep;
        __u8    channel_sel_type;
        __u8    ch3c_shape;
        __u8    ch3c_jump;
        __u8    reserved;
        __u8    t_ip1_time;
        __u8    t_ip2_time;
        __u8    t_fcs_time;
        __u8    t_pm_time;
} __packed;

#define HCI_EVT_LE_CS_PROCEDURE_ENABLE_COMPLETE         0x30
struct hci_evt_le_cs_procedure_enable_complete {
        __u8    status;
        __le16  handle;
        __u8    config_id;
        __u8    state;
        __u8    tone_ant_config_sel;
        __s8    sel_tx_pwr;
        __u8    sub_evt_len[3];
        __u8    sub_evts_per_evt;
        __le16  sub_evt_intrvl;
        __le16  evt_intrvl;
        __le16  proc_intrvl;
        __le16  proc_counter;
        __le16  max_proc_len;
} __packed;

#define HCI_EVT_LE_CS_SUBEVENT_RESULT                   0x31
struct hci_evt_le_cs_subevent_result {
        __le16  handle;
        __u8    config_id;
        __le16  start_acl_conn_evt_counter;
        __le16  proc_counter;
        __le16  freq_comp;
        __u8    ref_pwr_lvl;
        __u8    proc_done_status;
        __u8    subevt_done_status;
        __u8    abort_reason;
        __u8    num_ant_paths;
        __u8    num_steps_reported;
        __u8    step_mode[0]; /* depends on num_steps_reported */
        __u8    step_channel[0]; /* depends on num_steps_reported */
        __u8    step_data_length[0]; /* depends on num_steps_reported */
        __u8    step_data[0]; /* depends on num_steps_reported */
} __packed;

#define HCI_EVT_LE_CS_SUBEVENT_RESULT_CONTINUE          0x32
struct hci_evt_le_cs_subevent_result_continue {
        __le16  handle;
        __u8    config_id;
        __u8    proc_done_status;
        __u8    subevt_done_status;
        __u8    abort_reason;
        __u8    num_ant_paths;
        __u8    num_steps_reported;
        __u8    step_mode[0]; /* depends on num_steps_reported */
        __u8    step_channel[0]; /* depends on num_steps_reported */
        __u8    step_data_length[0]; /* depends on num_steps_reported */
        __u8    step_data[0]; /* depends on num_steps_reported */
} __packed;

#define HCI_EVT_LE_CS_TEST_END_COMPLETE                 0x33
struct hci_evt_le_cs_test_end_complete {
        __u8    status;
} __packed;

#define HCI_EV_VENDOR                   0xff

/* Internal events generated by Bluetooth stack */
#define HCI_EV_STACK_INTERNAL   0xfd
struct hci_ev_stack_internal {
        __u16    type;
        __u8     data[];
} __packed;

#define HCI_EV_SI_DEVICE        0x01
struct hci_ev_si_device {
        __u16    event;
        __u16    dev_id;
} __packed;

#define HCI_EV_SI_SECURITY      0x02
struct hci_ev_si_security {
        __u16    event;
        __u16    proto;
        __u16    subproto;
        __u8     incoming;
} __packed;

/* ---- HCI Packet structures ---- */
#define HCI_COMMAND_HDR_SIZE 3
#define HCI_EVENT_HDR_SIZE   2
#define HCI_ACL_HDR_SIZE     4
#define HCI_SCO_HDR_SIZE     3
#define HCI_ISO_HDR_SIZE     4

struct hci_command_hdr {
        __le16  opcode;         /* OCF & OGF */
        __u8    plen;
} __packed;

struct hci_event_hdr {
        __u8    evt;
        __u8    plen;
} __packed;

struct hci_acl_hdr {
        __le16  handle;         /* Handle & Flags(PB, BC) */
        __le16  dlen;
} __packed;

struct hci_sco_hdr {
        __le16  handle;
        __u8    dlen;
} __packed;

struct hci_iso_hdr {
        __le16  handle;
        __le16  dlen;
        __u8    data[];
} __packed;

/* ISO data packet status flags */
#define HCI_ISO_STATUS_VALID    0x00
#define HCI_ISO_STATUS_INVALID  0x01
#define HCI_ISO_STATUS_NOP      0x02

#define HCI_ISO_DATA_HDR_SIZE   4
struct hci_iso_data_hdr {
        __le16  sn;
        __le16  slen;
};

#define HCI_ISO_TS_DATA_HDR_SIZE 8
struct hci_iso_ts_data_hdr {
        __le32  ts;
        __le16  sn;
        __le16  slen;
};

static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
{
        return (struct hci_event_hdr *) skb->data;
}

static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
{
        return (struct hci_acl_hdr *) skb->data;
}

static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
{
        return (struct hci_sco_hdr *) skb->data;
}

static inline struct hci_iso_hdr *hci_iso_hdr(const struct sk_buff *skb)
{
        return (struct hci_iso_hdr *)skb->data;
}

/* Command opcode pack/unpack */
#define hci_opcode_pack(ogf, ocf)       ((__u16) ((ocf & 0x03ff)|(ogf << 10)))
#define hci_opcode_ogf(op)              (op >> 10)
#define hci_opcode_ocf(op)              (op & 0x03ff)

/* ACL handle and flags pack/unpack */
#define hci_handle_pack(h, f)   ((__u16) ((h & 0x0fff)|(f << 12)))
#define hci_handle(h)           (h & 0x0fff)
#define hci_flags(h)            (h >> 12)

/* ISO handle and flags pack/unpack */
#define hci_iso_flags_pb(f)             (f & 0x0003)
#define hci_iso_flags_ts(f)             ((f >> 2) & 0x0001)
#define hci_iso_flags_pack(pb, ts)      ((pb & 0x03) | ((ts & 0x01) << 2))

/* ISO data length and flags pack/unpack */
#define hci_iso_data_len_pack(h, f)     ((__u16) ((h) | ((f) << 14)))
#define hci_iso_data_len(h)             ((h) & 0x3fff)
#define hci_iso_data_flags(h)           ((h) >> 14)

/* codec transport types */
#define HCI_TRANSPORT_SCO_ESCO  0x01

/* le24 support */
static inline void hci_cpu_to_le24(__u32 val, __u8 dst[3])
{
        dst[0] = val & 0xff;
        dst[1] = (val & 0xff00) >> 8;
        dst[2] = (val & 0xff0000) >> 16;
}

#endif /* __HCI_H */