include/net/bluetooth/hci.h - kernel/msm - Gitiles

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

    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_EVENT_SIZE	260
 #define HCI_MAX_FRAME_SIZE	(HCI_MAX_ACL_SIZE + 4)

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

 /* HCI notify events */
 #define HCI_NOTIFY_CONN_ADD		1
 #define HCI_NOTIFY_CONN_DEL		2
 #define HCI_NOTIFY_VOICE_SETTING	3

 /* 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

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

 /* HCI device quirks */
 enum {
 	HCI_QUIRK_NO_RESET,
 	HCI_QUIRK_RAW_DEVICE,
 	HCI_QUIRK_FIXUP_BUFFER_SIZE
 };

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

 	HCI_PSCAN,
 	HCI_ISCAN,
 	HCI_AUTH,
 	HCI_ENCRYPT,
 	HCI_INQUIRY,

 	HCI_RAW,
 };

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

 #define HCIGETDEVLIST	_IOR('H', 210, int)
 #define HCIGETDEVINFO	_IOR('H', 211, int)
 #define HCIGETCONNLIST	_IOR('H', 212, int)
 #define HCIGETCONNINFO	_IOR('H', 213, int)
 #define HCIGETAUTHINFO	_IOR('H', 215, int)

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

 #define HCIBLOCKADDR	_IOW('H', 230, int)
 #define HCIUNBLOCKADDR	_IOW('H', 231, int)

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

 /* HCI timeouts */
 #define HCI_CONNECT_TIMEOUT	(40000)	/* 40 seconds */
 #define HCI_DISCONN_TIMEOUT	(2000)	/* 2 seconds */
 #define HCI_PAIRING_TIMEOUT	(60000)	/* 60 seconds */
 #define HCI_IDLE_TIMEOUT	(6000)	/* 6 seconds */
 #define HCI_INIT_TIMEOUT	(10000)	/* 10 seconds */

 /* 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_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

 #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_CONT		0x01
 #define ACL_START		0x02
 #define ACL_ACTIVE_BCAST	0x04
 #define ACL_PICO_BCAST		0x08

 /* Baseband links */
 #define SCO_LINK	0x00
 #define ACL_LINK	0x01
 #define ESCO_LINK	0x02

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

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

 #define LMP_CVSD	0x01
 #define LMP_PSCHEME	0x02
 #define LMP_PCONTROL	0x04

 #define LMP_ESCO	0x80

 #define LMP_EV4		0x01
 #define LMP_EV5		0x02

 #define LMP_SNIFF_SUBR	0x02
 #define LMP_EDR_ESCO_2M	0x20
 #define LMP_EDR_ESCO_3M	0x40
 #define LMP_EDR_3S_ESCO	0x80

 #define LMP_SIMPLE_PAIR	0x08

 /* 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

 /* 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

 /* -----  HCI Commands ---- */
 #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_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[16];
 } __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;

 #define HCI_OP_PIN_CODE_NEG_REPLY	0x040e
 struct hci_cp_pin_code_neg_reply {
 	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;

 #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_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_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
 struct hci_cp_set_event_mask {
 	__u8     mask[8];
 } __packed;

 #define HCI_OP_RESET			0x0c03

 #define HCI_OP_SET_EVENT_FLT		0x0c05
 struct hci_cp_set_event_flt {
 	__u8     flt_type;
 	__u8     cond_type;
 	__u8     condition[0];
 } __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_OP_WRITE_LOCAL_NAME		0x0c13
 struct hci_cp_write_local_name {
 	__u8     name[248];
 } __packed;

 #define HCI_OP_READ_LOCAL_NAME		0x0c14
 struct hci_rp_read_local_name {
 	__u8     status;
 	__u8     name[248];
 } __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_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_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_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;

 /* ---- HCI Events ---- */
 #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;

 #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[248];
 } __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_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_ev_num_comp_pkts {
 	__u8     num_hndl;
 	/* variable length part */
 } __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[16];
 	__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_with_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_with_rssi_and_pscan_mode {
 	bdaddr_t bdaddr;
 	__u8     pscan_rep_mode;
 	__u8     pscan_period_mode;
 	__u8     pscan_mode;
 	__u8     dev_class[3];
 	__le16   clock_offset;
 	__s8     rssi;
 } __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;

 #define HCI_EV_IO_CAPA_REQUEST		0x31
 struct hci_ev_io_capa_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_REMOTE_HOST_FEATURES	0x3d
 struct hci_ev_remote_host_features {
 	bdaddr_t bdaddr;
 	__u8     features[8];
 } __packed;

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

 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;

 #ifdef __KERNEL__
 #include <linux/skbuff.h>
 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;
 }
 #endif

 /* 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)

 /* ---- HCI Sockets ---- */

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

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

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

 struct hci_filter {
 	unsigned long type_mask;
 	unsigned long event_mask[2];
 	__le16 opcode;
 };

 struct hci_ufilter {
 	__u32  type_mask;
 	__u32  event_mask[2];
 	__le16 opcode;
 };

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

 /* ---- HCI Ioctl requests structures ---- */
 struct hci_dev_stats {
 	__u32 err_rx;
 	__u32 err_tx;
 	__u32 cmd_tx;
 	__u32 evt_rx;
 	__u32 acl_tx;
 	__u32 acl_rx;
 	__u32 sco_tx;
 	__u32 sco_rx;
 	__u32 byte_rx;
 	__u32 byte_tx;
 };

 struct hci_dev_info {
 	__u16 dev_id;
 	char  name[8];

 	bdaddr_t bdaddr;

 	__u32 flags;
 	__u8  type;

 	__u8  features[8];

 	__u32 pkt_type;
 	__u32 link_policy;
 	__u32 link_mode;

 	__u16 acl_mtu;
 	__u16 acl_pkts;
 	__u16 sco_mtu;
 	__u16 sco_pkts;

 	struct hci_dev_stats stat;
 };

 struct hci_conn_info {
 	__u16    handle;
 	bdaddr_t bdaddr;
 	__u8     type;
 	__u8     out;
 	__u16    state;
 	__u32    link_mode;
 };

 struct hci_dev_req {
 	__u16  dev_id;
 	__u32  dev_opt;
 };

 struct hci_dev_list_req {
 	__u16  dev_num;
 	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
 };

 struct hci_conn_list_req {
 	__u16  dev_id;
 	__u16  conn_num;
 	struct hci_conn_info conn_info[0];
 };

 struct hci_conn_info_req {
 	bdaddr_t bdaddr;
 	__u8     type;
 	struct   hci_conn_info conn_info[0];
 };

 struct hci_auth_info_req {
 	bdaddr_t bdaddr;
 	__u8     type;
 };

 struct hci_inquiry_req {
 	__u16 dev_id;
 	__u16 flags;
 	__u8  lap[3];
 	__u8  length;
 	__u8  num_rsp;
 };
 #define IREQ_CACHE_FLUSH 0x0001

 #endif /* __HCI_H */
	/*
	BlueZ - Bluetooth protocol stack for Linux
	Copyright (C) 2000-2001 Qualcomm Incorporated

	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_EVENT_SIZE 260
	#define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4)

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

	/* HCI notify events */
	#define HCI_NOTIFY_CONN_ADD 1
	#define HCI_NOTIFY_CONN_DEL 2
	#define HCI_NOTIFY_VOICE_SETTING 3

	/* 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

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

	/* HCI device quirks */
	enum {
	HCI_QUIRK_NO_RESET,
	HCI_QUIRK_RAW_DEVICE,
	HCI_QUIRK_FIXUP_BUFFER_SIZE
	};

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

	HCI_PSCAN,
	HCI_ISCAN,
	HCI_AUTH,
	HCI_ENCRYPT,
	HCI_INQUIRY,

	HCI_RAW,
	};

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

	#define HCIGETDEVLIST _IOR('H', 210, int)
	#define HCIGETDEVINFO _IOR('H', 211, int)
	#define HCIGETCONNLIST _IOR('H', 212, int)
	#define HCIGETCONNINFO _IOR('H', 213, int)
	#define HCIGETAUTHINFO _IOR('H', 215, int)

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

	#define HCIBLOCKADDR _IOW('H', 230, int)
	#define HCIUNBLOCKADDR _IOW('H', 231, int)

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

	/* HCI timeouts */
	#define HCI_CONNECT_TIMEOUT (40000) /* 40 seconds */
	#define HCI_DISCONN_TIMEOUT (2000) /* 2 seconds */
	#define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */
	#define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */
	#define HCI_INIT_TIMEOUT (10000) /* 10 seconds */

	/* 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_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

	#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_CONT 0x01
	#define ACL_START 0x02
	#define ACL_ACTIVE_BCAST 0x04
	#define ACL_PICO_BCAST 0x08

	/* Baseband links */
	#define SCO_LINK 0x00
	#define ACL_LINK 0x01
	#define ESCO_LINK 0x02

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

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

	#define LMP_CVSD 0x01
	#define LMP_PSCHEME 0x02
	#define LMP_PCONTROL 0x04

	#define LMP_ESCO 0x80

	#define LMP_EV4 0x01
	#define LMP_EV5 0x02

	#define LMP_SNIFF_SUBR 0x02
	#define LMP_EDR_ESCO_2M 0x20
	#define LMP_EDR_ESCO_3M 0x40
	#define LMP_EDR_3S_ESCO 0x80

	#define LMP_SIMPLE_PAIR 0x08

	/* 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

	/* 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

	/* ----- HCI Commands ---- */
	#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_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[16];
	} __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;

	#define HCI_OP_PIN_CODE_NEG_REPLY 0x040e
	struct hci_cp_pin_code_neg_reply {
	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;

	#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_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_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
	struct hci_cp_set_event_mask {
	__u8 mask[8];
	} __packed;

	#define HCI_OP_RESET 0x0c03

	#define HCI_OP_SET_EVENT_FLT 0x0c05
	struct hci_cp_set_event_flt {
	__u8 flt_type;
	__u8 cond_type;
	__u8 condition[0];
	} __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_OP_WRITE_LOCAL_NAME 0x0c13
	struct hci_cp_write_local_name {
	__u8 name[248];
	} __packed;

	#define HCI_OP_READ_LOCAL_NAME 0x0c14
	struct hci_rp_read_local_name {
	__u8 status;
	__u8 name[248];
	} __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_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_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_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;

	/* ---- HCI Events ---- */
	#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;

	#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[248];
	} __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_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_ev_num_comp_pkts {
	__u8 num_hndl;
	/* variable length part */
	} __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[16];
	__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_with_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_with_rssi_and_pscan_mode {
	bdaddr_t bdaddr;
	__u8 pscan_rep_mode;
	__u8 pscan_period_mode;
	__u8 pscan_mode;
	__u8 dev_class[3];
	__le16 clock_offset;
	__s8 rssi;
	} __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;

	#define HCI_EV_IO_CAPA_REQUEST 0x31
	struct hci_ev_io_capa_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_REMOTE_HOST_FEATURES 0x3d
	struct hci_ev_remote_host_features {
	bdaddr_t bdaddr;
	__u8 features[8];
	} __packed;

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

	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;

	#ifdef __KERNEL__
	#include <linux/skbuff.h>
	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;
	}
	#endif

	/* 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)

	/* ---- HCI Sockets ---- */

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

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

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

	struct hci_filter {
	unsigned long type_mask;
	unsigned long event_mask[2];
	__le16 opcode;
	};

	struct hci_ufilter {
	__u32 type_mask;
	__u32 event_mask[2];
	__le16 opcode;
	};

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

	/* ---- HCI Ioctl requests structures ---- */
	struct hci_dev_stats {
	__u32 err_rx;
	__u32 err_tx;
	__u32 cmd_tx;
	__u32 evt_rx;
	__u32 acl_tx;
	__u32 acl_rx;
	__u32 sco_tx;
	__u32 sco_rx;
	__u32 byte_rx;
	__u32 byte_tx;
	};

	struct hci_dev_info {
	__u16 dev_id;
	char name[8];

	bdaddr_t bdaddr;

	__u32 flags;
	__u8 type;

	__u8 features[8];

	__u32 pkt_type;
	__u32 link_policy;
	__u32 link_mode;

	__u16 acl_mtu;
	__u16 acl_pkts;
	__u16 sco_mtu;
	__u16 sco_pkts;

	struct hci_dev_stats stat;
	};

	struct hci_conn_info {
	__u16 handle;
	bdaddr_t bdaddr;
	__u8 type;
	__u8 out;
	__u16 state;
	__u32 link_mode;
	};

	struct hci_dev_req {
	__u16 dev_id;
	__u32 dev_opt;
	};

	struct hci_dev_list_req {
	__u16 dev_num;
	struct hci_dev_req dev_req[0]; /* hci_dev_req structures */
	};

	struct hci_conn_list_req {
	__u16 dev_id;
	__u16 conn_num;
	struct hci_conn_info conn_info[0];
	};

	struct hci_conn_info_req {
	bdaddr_t bdaddr;
	__u8 type;
	struct hci_conn_info conn_info[0];
	};

	struct hci_auth_info_req {
	bdaddr_t bdaddr;
	__u8 type;
	};

	struct hci_inquiry_req {
	__u16 dev_id;
	__u16 flags;
	__u8 lap[3];
	__u8 length;
	__u8 num_rsp;
	};
	#define IREQ_CACHE_FLUSH 0x0001

	#endif /* __HCI_H */