/* BlueZ - Bluetooth protocol stack for Linux Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 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_CORE_H#define __HCI_CORE_H#include <linux/idr.h>#include <linux/leds.h>#include <linux/rculist.h>#include <linux/spinlock.h>#include <linux/srcu.h>#include <net/bluetooth/hci.h>#include <net/bluetooth/hci_drv.h>#include <net/bluetooth/hci_sync.h>#include <net/bluetooth/hci_sock.h>#include <net/bluetooth/coredump.h>/* HCI priority */ #define HCI_PRIO_MAX 7/* HCI maximum id value */ #define HCI_MAX_ID 10000/* HCI Core structures */ struct inquiry_data {struct inquiry_entry {struct list_head all; /* inq_cache.all */ struct list_head list; /* unknown or resolve */ enum {struct inquiry_data data;struct discovery_state {int type;enum {struct list_head all; /* All devices found during inquiry */ struct list_head unknown; /* Name state not known */ struct list_head resolve; /* Name needs to be resolved */ bool report_invalid_rssi;bool result_filtering;bool limited;unsigned long name_resolve_timeout;#define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ enum suspend_tasks {enum suspended_state {struct hci_conn_hash {struct list_head list;unsigned int acl_num;unsigned int sco_num;unsigned int cis_num;unsigned int bis_num;unsigned int pa_num;unsigned int le_num;unsigned int le_num_peripheral;struct bdaddr_list {struct list_head list;struct codec_list {struct list_head list;struct hci_codec_caps caps[];struct bdaddr_list_with_irk {struct list_head list;/* Bitmask of connection flags */ enum hci_conn_flags {typedef u8 hci_conn_flags_t;struct bdaddr_list_with_flags {struct list_head list;struct bt_uuid {struct list_head list;struct blocked_key {struct list_head list;struct rcu_head rcu;struct smp_csrk {struct smp_ltk {struct list_head list;struct rcu_head rcu;struct smp_irk {struct list_head list;struct rcu_head rcu;struct link_key {struct list_head list;struct rcu_head rcu;struct oob_data {struct list_head list;struct adv_info {struct list_head list;bool enabled;bool pending;bool periodic;bool periodic_enabled;bool adv_data_changed;bool scan_rsp_changed;bool rpa_expired;struct delayed_work rpa_expired_cb;struct tx_queue {struct sk_buff_head queue;unsigned int extra;unsigned int tracked;#define HCI_MAX_ADV_INSTANCES 5#define HCI_DEFAULT_ADV_DURATION 2#define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F#define DATA_CMP(_d1, _l1, _d2, _l2) \#define ADV_DATA_CMP(_adv, _data, _len) \#define SCAN_RSP_CMP(_adv, _data, _len) \struct monitored_device {struct list_head list;bool notified;struct adv_pattern {struct list_head list;struct adv_rssi_thresholds {struct adv_monitor {struct list_head patterns;struct adv_rssi_thresholds rssi;enum {#define HCI_MIN_ADV_MONITOR_HANDLE 1#define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32#define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16#define HCI_ADV_MONITOR_EXT_NONE 1#define HCI_ADV_MONITOR_EXT_MSFT 2#define HCI_MAX_SHORT_NAME_LENGTH 10#define HCI_CONN_HANDLE_MAX 0x0eff#define HCI_CONN_HANDLE_UNSET(_handle) (_handle > HCI_CONN_HANDLE_MAX)/* Min encryption key size to match with SMP */ #define HCI_MIN_ENC_KEY_SIZE 7/* Default LE RPA expiry time, 15 minutes */ #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)/* Default min/max age of connection information (1s/3s) */ #define DEFAULT_CONN_INFO_MIN_AGE 1000#define DEFAULT_CONN_INFO_MAX_AGE 3000/* Default authenticated payload timeout 30s */ #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8#define HCI_MAX_PAGES 3struct hci_dev {struct list_head list;struct srcu_struct srcu;struct mutex lock;struct ida unset_handle_ida;const char *name;unsigned long flags;unsigned int auto_accept_delay;unsigned int acl_cnt;unsigned int sco_cnt;unsigned int le_cnt;unsigned int iso_cnt;unsigned int acl_mtu;unsigned int sco_mtu;unsigned int le_mtu;unsigned int iso_mtu;unsigned int acl_pkts;unsigned int sco_pkts;unsigned int le_pkts;unsigned int iso_pkts;unsigned long acl_last_tx;unsigned long le_last_tx;struct workqueue_struct *workqueue;struct workqueue_struct *req_workqueue;struct work_struct power_on;struct delayed_work power_off;struct work_struct error_reset;struct work_struct cmd_sync_work;struct list_head cmd_sync_work_list;struct mutex cmd_sync_work_lock;struct mutex unregister_lock;struct work_struct cmd_sync_cancel_work;struct work_struct reenable_adv_work;struct delayed_work discov_off;struct delayed_work service_cache;struct delayed_work cmd_timer;struct delayed_work ncmd_timer;struct work_struct rx_work;struct work_struct cmd_work;struct work_struct tx_work;struct delayed_work le_scan_disable;struct sk_buff_head rx_q;struct sk_buff_head raw_q;struct sk_buff_head cmd_q;struct sk_buff *sent_cmd;struct sk_buff *recv_event;struct mutex req_lock;struct sk_buff *req_skb;struct sk_buff *req_rsp;void *smp_data;void *smp_bredr_data;struct discovery_state discovery;bool discovery_paused;int advertising_old_state;bool advertising_paused;struct notifier_block suspend_notifier;enum suspended_state suspend_state_next;enum suspended_state suspend_state;bool scanning_paused;bool suspended;struct hci_conn_hash conn_hash;struct list_head mesh_pending;struct mutex mgmt_pending_lock;struct list_head mgmt_pending;struct list_head reject_list;struct list_head accept_list;struct list_head uuids;struct list_head link_keys;struct list_head long_term_keys;struct list_head identity_resolving_keys;struct list_head remote_oob_data;struct list_head le_accept_list;struct list_head le_resolv_list;struct list_head le_conn_params;struct list_head pend_le_conns;struct list_head pend_le_reports;struct list_head blocked_keys;struct list_head local_codecs;struct hci_dev_stats stat;const char *hw_info;const char *fw_info;struct dentry *debugfs;struct hci_devcoredump dump;struct device dev;struct rfkill *rfkill;struct list_head adv_instances;unsigned int adv_instance_cnt;struct delayed_work adv_instance_expire;struct idr adv_monitors_idr;unsigned int adv_monitors_cnt;struct delayed_work rpa_expired;struct delayed_work mesh_send_done;enum {struct delayed_work interleave_scan;struct list_head monitored_devices;bool advmon_pend_notify;struct hci_drv *hci_drv;#if IS_ENABLED(CONFIG_BT_LEDS)struct led_trigger *power_led;#endif #if IS_ENABLED(CONFIG_BT_MSFTEXT)void *msft_data;bool msft_curve_validity;#endif #if IS_ENABLED(CONFIG_BT_AOSPEXT)bool aosp_capable;bool aosp_quality_report;#endif int (*open)(struct hci_dev *hdev);int (*close)(struct hci_dev *hdev);int (*flush)(struct hci_dev *hdev);int (*setup)(struct hci_dev *hdev);int (*shutdown)(struct hci_dev *hdev);int (*send)(struct hci_dev *hdev, struct sk_buff *skb);void (*notify)(struct hci_dev *hdev, unsigned int evt);void (*hw_error)(struct hci_dev *hdev, u8 code);int (*post_init)(struct hci_dev *hdev);int (*set_diag)(struct hci_dev *hdev, bool enable);int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);void (*reset)(struct hci_dev *hdev);bool (*wakeup)(struct hci_dev *hdev);int (*set_quality_report)(struct hci_dev *hdev, bool enable);int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,struct bt_codec *codec, __u8 *vnd_len,struct hci_dev *hdev, struct sk_buff *skb);#define hci_set_quirk(hdev, nr) set_bit((nr), (hdev)->quirk_flags)#define hci_clear_quirk(hdev, nr) clear_bit((nr), (hdev)->quirk_flags)#define hci_test_quirk(hdev, nr) test_bit((nr), (hdev)->quirk_flags)#define HCI_PHY_HANDLE(handle) (handle & 0xff)enum conn_reasons {struct hci_conn {struct list_head list;bool out;struct bt_iso_qos iso_qos;unsigned long flags;enum conn_reasons conn_reason;unsigned long conn_info_timestamp;unsigned int sent;struct sk_buff_head data_q;struct list_head chan_list;struct tx_queue tx_q;struct delayed_work disc_work;struct delayed_work auto_accept_work;struct delayed_work idle_work;struct delayed_work le_conn_timeout;struct device dev;struct dentry *debugfs;struct hci_dev *hdev;void *l2cap_data;void *sco_data;void *iso_data;struct list_head link_list;struct hci_conn *parent;struct hci_link *link;struct bt_codec codec;void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);void (*security_cfm_cb) (struct hci_conn *conn, u8 status);void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);void (*cleanup)(struct hci_conn *conn);struct hci_link {struct list_head list;struct hci_conn *conn;struct hci_chan {struct list_head list;struct hci_conn *conn;struct sk_buff_head data_q;unsigned int sent;struct hci_conn_params {struct list_head list;struct list_head action;enum {struct hci_conn *conn;bool explicit_connect;/* Accessed without hdev->lock: */ extern struct list_head hci_dev_list;extern struct list_head hci_cb_list;extern rwlock_t hci_dev_list_lock;extern struct mutex hci_cb_list_lock;#define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)#define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)#define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)#define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)#define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)#define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)#define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)#define hci_dev_clear_volatile_flags(hdev) \do { \while (0)#define hci_dev_le_state_simultaneous(hdev) \/* Central */ \ /* Peripheral */ \ /* Simultaneous */ /* ----- HCI interface to upper protocols ----- */ int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);int l2cap_disconn_ind(struct hci_conn *hcon);void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);#if IS_ENABLED(CONFIG_BT_BREDR)int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);#else static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,return 0;static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)#endif #if IS_ENABLED(CONFIG_BT_LE)int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);#else static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,return 0;static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,#endif /* ----- Inquiry cache ----- */ #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ static inline void discovery_init(struct hci_dev *hdev)true ;static inline void hci_discovery_filter_clear(struct hci_dev *hdev)false ;true ;bool hci_discovery_active(struct hci_dev *hdev);void hci_discovery_set_state(struct hci_dev *hdev, int state);static inline int inquiry_cache_empty(struct hci_dev *hdev)return list_empty(&hdev->discovery.all);static inline long inquiry_cache_age(struct hci_dev *hdev)struct discovery_state *c = &hdev->discovery;return jiffies - c->timestamp;static inline long inquiry_entry_age(struct inquiry_entry *e)return jiffies - e->timestamp;struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,int state);void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,struct inquiry_entry *ie);struct hci_dev *hdev, struct inquiry_data *data,bool name_known);void hci_inquiry_cache_flush(struct hci_dev *hdev);/* ----- HCI Connections ----- */ enum {static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)struct hci_dev *hdev = conn->hdev;return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&static inline bool hci_conn_sc_enabled(struct hci_conn *conn)struct hci_dev *hdev = conn->hdev;return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)struct hci_conn_hash *h = &hdev->conn_hash;switch (c->type) {case ACL_LINK:break ;case LE_LINK:if (c->role == HCI_ROLE_SLAVE)break ;case SCO_LINK:case ESCO_LINK:break ;case CIS_LINK:break ;case BIS_LINK:break ;case PA_LINK:break ;static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)struct hci_conn_hash *h = &hdev->conn_hash;switch (c->type) {case ACL_LINK:break ;case LE_LINK:if (c->role == HCI_ROLE_SLAVE)break ;case SCO_LINK:case ESCO_LINK:break ;case CIS_LINK:break ;case BIS_LINK:break ;case PA_LINK:break ;static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)struct hci_conn_hash *h = &hdev->conn_hash;switch (type) {case ACL_LINK:return h->acl_num;case LE_LINK:return h->le_num;case SCO_LINK:case ESCO_LINK:return h->sco_num;case CIS_LINK:return h->cis_num;case BIS_LINK:return h->bis_num;case PA_LINK:return h->pa_num;default :return 0;static inline unsigned int hci_conn_count(struct hci_dev *hdev)struct hci_conn_hash *c = &hdev->conn_hash;return c->acl_num + c->sco_num + c->le_num + c->cis_num + c->bis_num +static inline unsigned int hci_iso_count(struct hci_dev *hdev)struct hci_conn_hash *c = &hdev->conn_hash;return c->cis_num + c->bis_num;static inline bool hci_conn_valid(struct hci_dev *hdev, struct hci_conn *conn)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c == conn) {return true ;return false ;static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->handle == handle) {break ;return type;static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (bacmp(&c->dst, ba) || c->type != BIS_LINK)continue ;if (c->iso_qos.bcast.bis == bis) {return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != PA_LINK)continue ;if (!test_bit(HCI_CONN_CREATE_PA_SYNC, &c->flags))continue ;return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (bacmp(&c->dst, ba) || c->type != BIS_LINK ||continue ;if (c->iso_qos.bcast.big == big &&return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->handle == handle) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type == type && !bacmp(&c->dst, ba)) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_role(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type == type && c->role == role && !bacmp(&c->dst, ba)) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != LE_LINK)continue ;if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != CIS_LINK)continue ;/* Match CIG ID if set */ if (cig != c->iso_qos.ucast.cig)continue ;/* Match CIS ID if set */ if (id != c->iso_qos.ucast.cis)continue ;/* Match destination address if set */ if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != CIS_LINK)continue ;if (handle == c->iso_qos.ucast.cig) {return c;return NULL;static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != BIS_LINK)continue ;if (handle == c->iso_qos.bcast.big) {return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != PA_LINK)continue ;if (handle == c->iso_qos.bcast.big && num_bis == c->num_bis) {return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev, __u8 handle, __u16 state,struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != BIS_LINK || c->state != state || c->role != role)continue ;if (handle == c->iso_qos.bcast.big) {return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev, __u8 big)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != BIS_LINK ||continue ;if (c->iso_qos.bcast.big == big) {return c;return NULL;static inline struct hci_conn *struct hci_dev *hdev, __u16 sync_handle)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type != PA_LINK)continue ;/* Ignore the listen hcon, we are looking * for the child hcon that was created as * a result of the PA sync established event. if (c->state == BT_LISTEN)continue ;if (c->sync_handle == sync_handle) {return c;return NULL;typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);static inline void hci_conn_hash_list_state(struct hci_dev *hdev,void *data)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (!func)return ;if (c->type == type && c->state == state)static inline void hci_conn_hash_list_flag(struct hci_dev *hdev,void *data)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (!func)return ;if (c->type == type && test_bit(flag, &c->flags))static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type == LE_LINK && c->state == BT_CONNECT &&return c;return NULL;/* Returns true if an le connection is in the scanning state */ static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)struct hci_conn_hash *h = &hdev->conn_hash;struct hci_conn *c;if (c->type == LE_LINK && c->state == BT_CONNECT &&return true ;return false ;int hci_disconnect(struct hci_conn *conn, __u8 reason);bool hci_setup_sync(struct hci_conn *conn, __u16 handle);void hci_sco_setup(struct hci_conn *conn, __u8 status);bool hci_iso_setup_path(struct hci_conn *conn);int hci_le_create_cis_pending(struct hci_dev *hdev);int hci_conn_check_create_cis(struct hci_conn *conn);struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,void hci_conn_del(struct hci_conn *conn);void hci_conn_hash_flush(struct hci_dev *hdev);struct hci_chan *hci_chan_create(struct hci_conn *conn);void hci_chan_del(struct hci_chan *chan);void hci_chan_list_flush(struct hci_conn *conn);struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,enum conn_reasons conn_reason);struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,bool dst_resolved, u8 sec_level,void hci_connect_le_scan_cleanup(struct hci_conn *conn, u8 status);struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,enum conn_reasons conn_reason, u16 timeout);struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,struct bt_codec *codec,struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,struct bt_iso_qos *qos,struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst, __u8 sid,struct bt_iso_qos *qos,struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,struct bt_iso_qos *qos,struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,struct bt_iso_qos *qos,struct hci_conn *hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst,struct bt_iso_qos *qos);int hci_conn_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,struct bt_iso_qos *qos, __u16 sync_handle,int hci_conn_check_link_mode(struct hci_conn *conn);int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,bool initiator);int hci_conn_switch_role(struct hci_conn *conn, __u8 role);void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);void hci_conn_failed(struct hci_conn *conn, u8 status);struct hci_conn *conn, u16 handle);void hci_conn_tx_queue(struct hci_conn *conn, struct sk_buff *skb);void hci_conn_tx_dequeue(struct hci_conn *conn);void hci_setup_tx_timestamp(struct sk_buff *skb, size_t key_offset,const struct sockcm_cookie *sockc);static inline void hci_sockcm_init(struct sockcm_cookie *sockc, struct sock *sk)struct sockcm_cookie) {/* * hci_conn_get() and hci_conn_put() are used to control the life-time of an * "hci_conn" object. They do not guarantee that the hci_conn object is running, * working or anything else. They just guarantee that the object is available * and can be dereferenced. So you can use its locks, local variables and any * other constant data. * Before accessing runtime data, you _must_ lock the object and then check that * it is still running. As soon as you release the locks, the connection might * get dropped, though. * * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control * how long the underlying connection is held. So every channel that runs on the * hci_conn object calls this to prevent the connection from disappearing. As * long as you hold a device, you must also guarantee that you have a valid * reference to the device via hci_conn_get() (or the initial reference from * hci_conn_add()). * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't * break because nobody cares for that. But this means, we cannot use * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)return conn;static inline void hci_conn_put(struct hci_conn *conn)static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)"hcon %p orig refcnt %d" , conn, atomic_read(&conn->refcnt));return conn;static inline void hci_conn_drop(struct hci_conn *conn)"hcon %p orig refcnt %d" , conn, atomic_read(&conn->refcnt));if (atomic_dec_and_test(&conn->refcnt)) {unsigned long timeo;switch (conn->type) {case ACL_LINK:case LE_LINK:if (conn->state == BT_CONNECTED) {if (!conn->out)else {break ;default :break ;/* ----- HCI Devices ----- */ static inline void hci_dev_put(struct hci_dev *d)"%s orig refcnt %d" , d->name,static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)"%s orig refcnt %d" , d->name,return d;#define hci_dev_lock(d) mutex_lock(&d->lock)#define hci_dev_unlock(d) mutex_unlock(&d->lock)#define to_hci_dev(d) container_of(d, struct hci_dev, dev)#define to_hci_conn(c) container_of(c, struct hci_conn, dev)static inline void *hci_get_drvdata(struct hci_dev *hdev)return dev_get_drvdata(&hdev->dev);static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)static inline void *hci_get_priv(struct hci_dev *hdev)return (char *)hdev + sizeof (*hdev);struct hci_dev *hci_dev_get(int index);struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);static inline struct hci_dev *hci_alloc_dev(void )return hci_alloc_dev_priv(0);void hci_free_dev(struct hci_dev *hdev);int hci_register_dev(struct hci_dev *hdev);void hci_unregister_dev(struct hci_dev *hdev);void hci_release_dev(struct hci_dev *hdev);int hci_register_suspend_notifier(struct hci_dev *hdev);int hci_unregister_suspend_notifier(struct hci_dev *hdev);int hci_suspend_dev(struct hci_dev *hdev);int hci_resume_dev(struct hci_dev *hdev);int hci_reset_dev(struct hci_dev *hdev);int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)#if IS_ENABLED(CONFIG_BT_MSFTEXT)#endif static inline void hci_set_aosp_capable(struct hci_dev *hdev)#if IS_ENABLED(CONFIG_BT_AOSPEXT)true ;#endif static inline void hci_devcd_setup(struct hci_dev *hdev)#ifdef CONFIG_DEV_COREDUMP#endif int hci_dev_open(__u16 dev);int hci_dev_close(__u16 dev);int hci_dev_do_close(struct hci_dev *hdev);int hci_dev_reset(__u16 dev);int hci_dev_reset_stat(__u16 dev);int hci_dev_cmd(unsigned int cmd, void __user *arg);int hci_get_dev_list(void __user *arg);int hci_get_dev_info(void __user *arg);int hci_get_conn_list(void __user *arg);int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);int hci_inquiry(void __user *arg);struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(struct list_head *list, bdaddr_t *bdaddr,struct bdaddr_list_with_flags *struct list_head *list, bdaddr_t *bdaddr,int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,void hci_bdaddr_list_clear(struct list_head *list);struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);void hci_conn_params_clear_disabled(struct hci_dev *hdev);void hci_conn_params_free(struct hci_conn_params *param);void hci_pend_le_list_del_init(struct hci_conn_params *param);void hci_pend_le_list_add(struct hci_conn_params *param,struct list_head *list);struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,void hci_uuids_clear(struct hci_dev *hdev);void hci_link_keys_clear(struct hci_dev *hdev);struct hci_conn *conn);struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,bool *persistent);struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);void hci_smp_ltks_clear(struct hci_dev *hdev);int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);void hci_blocked_keys_clear(struct hci_dev *hdev);void hci_smp_irks_clear(struct hci_dev *hdev);bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);void hci_remote_oob_data_clear(struct hci_dev *hdev);struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,void hci_adv_instances_clear(struct hci_dev *hdev);struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);struct adv_info *hci_find_adv_sid(struct hci_dev *hdev, u8 sid);struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, u8 sid,int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);struct hci_dev *hdev, u8 instance);bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);void hci_adv_monitors_clear(struct hci_dev *hdev);void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);int hci_remove_all_adv_monitor(struct hci_dev *hdev);bool hci_is_adv_monitoring(struct hci_dev *hdev);int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);void hci_init_sysfs(struct hci_dev *hdev);void hci_conn_init_sysfs(struct hci_conn *conn);void hci_conn_add_sysfs(struct hci_conn *conn);void hci_conn_del_sysfs(struct hci_conn *conn);#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))#define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)/* ----- LMP capabilities ----- */ #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)#define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)#define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)#define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)#define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)#define lmp_sco_capable(dev) ((dev)->features[0][1] & LMP_SCO)#define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)#define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)#define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))#define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)#define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)#define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)#define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M)#define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)#define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))#define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)#define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)#define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)#define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)#define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)#define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)#define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M)#define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M)#define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)#define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)/* ----- Extended LMP capabilities ----- */ #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)#define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)#define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)#define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)#define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)#define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)/* ----- Host capabilities ----- */ #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)#define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)#define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))#define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))#define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \#define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \#define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \#define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \#define le_enabled(dev) (lmp_le_capable(dev) && \#define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \#define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))#define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \#define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \#define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \#define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)#define ll_privacy_enabled(dev) (le_enabled(dev) && ll_privacy_capable(dev))#define privacy_mode_capable(dev) (ll_privacy_capable(dev) && \#define read_key_size_capable(dev) \#define read_voice_setting_capable(dev) \/* Use enhanced synchronous connection if command is supported and its quirk * has not been set. #define enhanced_sync_conn_capable(dev) \/* Use ext scanning if set ext scan param and ext scan enable is supported */ #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \/* Use ext create connection if command is supported */ #define use_ext_conn(dev) (((dev)->commands[37] & 0x80) && \/* Extended advertising support */ #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))/* Maximum advertising length */ #define max_adv_len(dev) \/* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: * * C24: Mandatory if the LE Controller supports Connection State and either * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported #define use_enhanced_conn_complete(dev) ((ll_privacy_capable(dev) || \/* Periodic advertising support */ #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))/* CIS Master/Slave and BIS support */ #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))#define iso_enabled(dev) (le_enabled(dev) && iso_capable(dev))#define cis_capable(dev) \#define cis_enabled(dev) (le_enabled(dev) && cis_capable(dev))#define cis_central_capable(dev) \#define cis_central_enabled(dev) \#define cis_peripheral_capable(dev) \#define cis_peripheral_enabled(dev) \#define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)#define bis_enabled(dev) (le_enabled(dev) && bis_capable(dev))#define sync_recv_capable(dev) \#define sync_recv_enabled(dev) (le_enabled(dev) && sync_recv_capable(dev))#define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \/* ----- HCI protocols ----- */ #define HCI_PROTO_DEFER 0x01static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,switch (type) {case ACL_LINK:return l2cap_connect_ind(hdev, bdaddr);case SCO_LINK:case ESCO_LINK:return sco_connect_ind(hdev, bdaddr, flags);case CIS_LINK:case BIS_LINK:case PA_LINK:return iso_connect_ind(hdev, bdaddr, flags);default :"unknown link type %d" , type);return -EINVAL;static inline int hci_proto_disconn_ind(struct hci_conn *conn)if (conn->type != ACL_LINK && conn->type != LE_LINK)return HCI_ERROR_REMOTE_USER_TERM;return l2cap_disconn_ind(conn);/* ----- HCI callbacks ----- */ struct hci_cb {struct list_head list;char *name;void (*connect_cfm) (struct hci_conn *conn, __u8 status);void (*disconn_cfm) (struct hci_conn *conn, __u8 status);void (*security_cfm) (struct hci_conn *conn, __u8 status,void (*key_change_cfm) (struct hci_conn *conn, __u8 status);void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)struct hci_cb *cb;if (cb->connect_cfm)if (conn->connect_cfm_cb)static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)struct hci_cb *cb;if (cb->disconn_cfm)if (conn->disconn_cfm_cb)static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)struct hci_cb *cb;if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))return ;if (cb->security_cfm)if (conn->security_cfm_cb)static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)struct hci_cb *cb;if (conn->state == BT_CONFIG) {if (!status)return ;if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))else if (!status) {if (conn->sec_level == BT_SECURITY_SDP)if (conn->pending_sec_level > conn->sec_level)if (cb->security_cfm)if (conn->security_cfm_cb)static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)struct hci_cb *cb;if (cb->key_change_cfm)static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,struct hci_cb *cb;if (cb->role_switch_cfm)static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)if (addr_type != ADDR_LE_DEV_RANDOM)return false ;if ((bdaddr->b[5] & 0xc0) == 0x40)return true ;return false ;static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)if (addr_type == ADDR_LE_DEV_PUBLIC)return true ;/* Check for Random Static address type */ if ((addr->b[5] & 0xc0) == 0xc0)return true ;return false ;static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,if (!hci_bdaddr_is_rpa(bdaddr, addr_type))return NULL;return hci_find_irk_by_rpa(hdev, bdaddr);static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,if (min > max) {"min %d > max %d" , min, max);return -EINVAL;if (min < 6) {"min %d < 6" , min);return -EINVAL;if (max > 3200) {"max %d > 3200" , max);return -EINVAL;if (to_multiplier < 10) {"to_multiplier %d < 10" , to_multiplier);return -EINVAL;if (to_multiplier > 3200) {"to_multiplier %d > 3200" , to_multiplier);return -EINVAL;if (max >= to_multiplier * 8) {"max %d >= to_multiplier %d * 8" , max, to_multiplier);return -EINVAL;if (latency > 499) {"latency %d > 499" , latency);return -EINVAL;if (latency > max_latency) {"latency %d > max_latency %d" , latency, max_latency);return -EINVAL;return 0;int hci_register_cb(struct hci_cb *hcb);int hci_unregister_cb(struct hci_cb *hcb);int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,const void *param);int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,const void *param);void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);struct hci_conn *conn);/* ----- HCI Sockets ----- */ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,int flag, struct sock *skip_sk);void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,void *data, u16 data_len, ktime_t tstamp,int flag, struct sock *skip_sk);void hci_sock_dev_event(struct hci_dev *hdev, int event);#define HCI_MGMT_VAR_LEN BIT(0)#define HCI_MGMT_NO_HDEV BIT(1)#define HCI_MGMT_UNTRUSTED BIT(2)#define HCI_MGMT_UNCONFIGURED BIT(3)#define HCI_MGMT_HDEV_OPTIONAL BIT(4)struct hci_mgmt_handler {int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,unsigned long flags;struct hci_mgmt_chan {struct list_head list;unsigned short channel;const struct hci_mgmt_handler *handlers;void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);int hci_mgmt_chan_register(struct hci_mgmt_chan *c);void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);/* Management interface */ #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \#define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \/* These LE scan and inquiry parameters were chosen according to LE General * Discovery Procedure specification. #define DISCOV_LE_SCAN_WIN 0x0012 /* 11.25 msec */ #define DISCOV_LE_SCAN_INT 0x0012 /* 11.25 msec */ #define DISCOV_LE_SCAN_INT_FAST 0x0060 /* 60 msec */ #define DISCOV_LE_SCAN_WIN_FAST 0x0030 /* 30 msec */ #define DISCOV_LE_SCAN_INT_CONN 0x0060 /* 60 msec */ #define DISCOV_LE_SCAN_WIN_CONN 0x0060 /* 60 msec */ #define DISCOV_LE_SCAN_INT_SLOW1 0x0800 /* 1.28 sec */ #define DISCOV_LE_SCAN_WIN_SLOW1 0x0012 /* 11.25 msec */ #define DISCOV_LE_SCAN_INT_SLOW2 0x1000 /* 2.56 sec */ #define DISCOV_LE_SCAN_WIN_SLOW2 0x0024 /* 22.5 msec */ #define DISCOV_CODED_SCAN_INT_FAST 0x0120 /* 180 msec */ #define DISCOV_CODED_SCAN_WIN_FAST 0x0090 /* 90 msec */ #define DISCOV_CODED_SCAN_INT_SLOW1 0x1800 /* 3.84 sec */ #define DISCOV_CODED_SCAN_WIN_SLOW1 0x0036 /* 33.75 msec */ #define DISCOV_CODED_SCAN_INT_SLOW2 0x3000 /* 7.68 sec */ #define DISCOV_CODED_SCAN_WIN_SLOW2 0x006c /* 67.5 msec */ #define DISCOV_LE_TIMEOUT 10240 /* msec */ #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04#define DISCOV_BREDR_INQUIRY_LEN 0x08#define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */ #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */ #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10)#define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ void mgmt_fill_version_info(void *ver);int mgmt_new_settings(struct hci_dev *hdev);void mgmt_index_added(struct hci_dev *hdev);void mgmt_index_removed(struct hci_dev *hdev);void mgmt_set_powered_failed(struct hci_dev *hdev, int err);void mgmt_power_on(struct hci_dev *hdev, int err);void __mgmt_power_off(struct hci_dev *hdev);void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,bool persistent);void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,bool mgmt_connected);void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,void mgmt_connect_failed(struct hci_dev *hdev, struct hci_conn *conn,void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
Messung V0.5 C=97 H=100 G=98
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