2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
28 #include <linux/interrupt.h>
29 #include <net/bluetooth/hci.h>
32 #define HCI_PRIO_MAX 7
34 /* HCI Core structures */
38 __u8 pscan_period_mode;
46 struct inquiry_entry {
47 struct inquiry_entry *next;
49 struct inquiry_data data;
52 struct inquiry_cache {
54 struct inquiry_entry *list;
57 struct hci_conn_hash {
58 struct list_head list;
65 struct list_head list;
70 struct list_head list;
75 struct key_master_id {
80 struct link_key_data {
90 struct list_head list;
100 struct list_head list;
107 struct list_head list;
112 #define NUM_REASSEMBLY 4
114 struct list_head list;
124 __u8 dev_name[HCI_MAX_NAME_LENGTH];
125 __u8 eir[HCI_MAX_EIR_LENGTH];
130 __u8 host_features[8];
147 __u16 sniff_min_interval;
148 __u16 sniff_max_interval;
153 __u32 amp_min_latency;
157 __u16 amp_assoc_size;
158 __u32 amp_max_flush_to;
159 __u32 amp_be_flush_to;
163 unsigned int auto_accept_delay;
165 unsigned long quirks;
168 unsigned int acl_cnt;
169 unsigned int sco_cnt;
172 unsigned int acl_mtu;
173 unsigned int sco_mtu;
175 unsigned int acl_pkts;
176 unsigned int sco_pkts;
177 unsigned int le_pkts;
184 unsigned long acl_last_tx;
185 unsigned long sco_last_tx;
186 unsigned long le_last_tx;
188 struct workqueue_struct *workqueue;
190 struct work_struct power_on;
191 struct delayed_work power_off;
193 __u16 discov_timeout;
194 struct delayed_work discov_off;
196 struct delayed_work service_cache;
198 struct timer_list cmd_timer;
200 struct work_struct rx_work;
201 struct work_struct cmd_work;
202 struct work_struct tx_work;
204 struct sk_buff_head rx_q;
205 struct sk_buff_head raw_q;
206 struct sk_buff_head cmd_q;
208 struct sk_buff *sent_cmd;
209 struct sk_buff *reassembly[NUM_REASSEMBLY];
211 struct mutex req_lock;
212 wait_queue_head_t req_wait_q;
218 struct list_head mgmt_pending;
220 struct inquiry_cache inq_cache;
221 struct hci_conn_hash conn_hash;
222 struct list_head blacklist;
224 struct list_head uuids;
226 struct list_head link_keys;
228 struct list_head remote_oob_data;
230 struct list_head adv_entries;
231 struct delayed_work adv_work;
233 struct hci_dev_stats stat;
235 struct sk_buff_head driver_init;
242 struct dentry *debugfs;
244 struct device *parent;
247 struct rfkill *rfkill;
249 struct module *owner;
251 unsigned long dev_flags;
253 int (*open)(struct hci_dev *hdev);
254 int (*close)(struct hci_dev *hdev);
255 int (*flush)(struct hci_dev *hdev);
256 int (*send)(struct sk_buff *skb);
257 void (*destruct)(struct hci_dev *hdev);
258 void (*notify)(struct hci_dev *hdev, unsigned int evt);
259 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
263 struct list_head list;
285 __u8 pending_sec_level;
299 struct sk_buff_head data_q;
300 struct list_head chan_list;
302 struct delayed_work disc_work;
303 struct timer_list idle_timer;
304 struct timer_list auto_accept_timer;
309 struct hci_dev *hdev;
314 struct hci_conn *link;
316 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
317 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
318 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
322 struct list_head list;
324 struct hci_conn *conn;
325 struct sk_buff_head data_q;
329 extern struct list_head hci_dev_list;
330 extern struct list_head hci_cb_list;
331 extern rwlock_t hci_dev_list_lock;
332 extern rwlock_t hci_cb_list_lock;
334 /* ----- HCI interface to upper protocols ----- */
335 extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
336 extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
337 extern int l2cap_disconn_ind(struct hci_conn *hcon);
338 extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
339 extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
340 extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
342 extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
343 extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
344 extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
345 extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
347 /* ----- Inquiry cache ----- */
348 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
349 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
351 static inline void inquiry_cache_init(struct hci_dev *hdev)
353 struct inquiry_cache *c = &hdev->inq_cache;
357 static inline int inquiry_cache_empty(struct hci_dev *hdev)
359 struct inquiry_cache *c = &hdev->inq_cache;
360 return c->list == NULL;
363 static inline long inquiry_cache_age(struct hci_dev *hdev)
365 struct inquiry_cache *c = &hdev->inq_cache;
366 return jiffies - c->timestamp;
369 static inline long inquiry_entry_age(struct inquiry_entry *e)
371 return jiffies - e->timestamp;
374 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
376 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
378 /* ----- HCI Connections ----- */
381 HCI_CONN_REAUTH_PEND,
382 HCI_CONN_ENCRYPT_PEND,
383 HCI_CONN_RSWITCH_PEND,
384 HCI_CONN_MODE_CHANGE_PEND,
385 HCI_CONN_SCO_SETUP_PEND,
386 HCI_CONN_LE_SMP_PEND,
389 static inline void hci_conn_hash_init(struct hci_dev *hdev)
391 struct hci_conn_hash *h = &hdev->conn_hash;
392 INIT_LIST_HEAD(&h->list);
398 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
400 struct hci_conn_hash *h = &hdev->conn_hash;
401 list_add_rcu(&c->list, &h->list);
416 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
418 struct hci_conn_hash *h = &hdev->conn_hash;
420 list_del_rcu(&c->list);
437 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
439 struct hci_conn_hash *h = &hdev->conn_hash;
453 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
456 struct hci_conn_hash *h = &hdev->conn_hash;
461 list_for_each_entry_rcu(c, &h->list, list) {
462 if (c->handle == handle) {
472 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
473 __u8 type, bdaddr_t *ba)
475 struct hci_conn_hash *h = &hdev->conn_hash;
480 list_for_each_entry_rcu(c, &h->list, list) {
481 if (c->type == type && !bacmp(&c->dst, ba)) {
492 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
493 __u8 type, __u16 state)
495 struct hci_conn_hash *h = &hdev->conn_hash;
500 list_for_each_entry_rcu(c, &h->list, list) {
501 if (c->type == type && c->state == state) {
512 void hci_acl_connect(struct hci_conn *conn);
513 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
514 void hci_add_sco(struct hci_conn *conn, __u16 handle);
515 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
516 void hci_sco_setup(struct hci_conn *conn, __u8 status);
518 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type,
519 __u16 pkt_type, bdaddr_t *dst);
520 int hci_conn_del(struct hci_conn *conn);
521 void hci_conn_hash_flush(struct hci_dev *hdev);
522 void hci_conn_check_pending(struct hci_dev *hdev);
524 struct hci_chan *hci_chan_create(struct hci_conn *conn);
525 int hci_chan_del(struct hci_chan *chan);
526 void hci_chan_list_flush(struct hci_conn *conn);
528 struct hci_conn *hci_connect(struct hci_dev *hdev, int type,
529 __u16 pkt_type, bdaddr_t *dst,
530 __u8 sec_level, __u8 auth_type);
531 int hci_conn_check_link_mode(struct hci_conn *conn);
532 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
533 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
534 int hci_conn_change_link_key(struct hci_conn *conn);
535 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
537 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
539 void hci_conn_hold_device(struct hci_conn *conn);
540 void hci_conn_put_device(struct hci_conn *conn);
542 static inline void hci_conn_hold(struct hci_conn *conn)
544 atomic_inc(&conn->refcnt);
545 cancel_delayed_work(&conn->disc_work);
548 static inline void hci_conn_put(struct hci_conn *conn)
550 if (atomic_dec_and_test(&conn->refcnt)) {
552 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
553 del_timer(&conn->idle_timer);
554 if (conn->state == BT_CONNECTED) {
555 timeo = msecs_to_jiffies(conn->disc_timeout);
559 timeo = msecs_to_jiffies(10);
562 timeo = msecs_to_jiffies(10);
564 cancel_delayed_work(&conn->disc_work);
565 queue_delayed_work(conn->hdev->workqueue,
566 &conn->disc_work, timeo);
570 /* ----- HCI Devices ----- */
571 static inline void __hci_dev_put(struct hci_dev *d)
573 if (atomic_dec_and_test(&d->refcnt))
578 * hci_dev_put and hci_dev_hold are macros to avoid dragging all the
579 * overhead of all the modular infrastructure into this header.
581 #define hci_dev_put(d) \
584 module_put(d->owner); \
587 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
589 atomic_inc(&d->refcnt);
593 #define hci_dev_hold(d) \
595 try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
598 #define hci_dev_lock(d) mutex_lock(&d->lock)
599 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
601 struct hci_dev *hci_dev_get(int index);
602 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
604 struct hci_dev *hci_alloc_dev(void);
605 void hci_free_dev(struct hci_dev *hdev);
606 int hci_register_dev(struct hci_dev *hdev);
607 void hci_unregister_dev(struct hci_dev *hdev);
608 int hci_suspend_dev(struct hci_dev *hdev);
609 int hci_resume_dev(struct hci_dev *hdev);
610 int hci_dev_open(__u16 dev);
611 int hci_dev_close(__u16 dev);
612 int hci_dev_reset(__u16 dev);
613 int hci_dev_reset_stat(__u16 dev);
614 int hci_dev_cmd(unsigned int cmd, void __user *arg);
615 int hci_get_dev_list(void __user *arg);
616 int hci_get_dev_info(void __user *arg);
617 int hci_get_conn_list(void __user *arg);
618 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
619 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
620 int hci_inquiry(void __user *arg);
622 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
623 int hci_blacklist_clear(struct hci_dev *hdev);
624 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
625 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
627 int hci_uuids_clear(struct hci_dev *hdev);
629 int hci_link_keys_clear(struct hci_dev *hdev);
630 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
631 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
632 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
633 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
634 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
635 bdaddr_t *bdaddr, u8 type);
636 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
637 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
638 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
640 int hci_remote_oob_data_clear(struct hci_dev *hdev);
641 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
643 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
645 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
647 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
648 int hci_adv_entries_clear(struct hci_dev *hdev);
649 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
650 int hci_add_adv_entry(struct hci_dev *hdev,
651 struct hci_ev_le_advertising_info *ev);
653 void hci_del_off_timer(struct hci_dev *hdev);
655 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
657 int hci_recv_frame(struct sk_buff *skb);
658 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
659 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
661 void hci_init_sysfs(struct hci_dev *hdev);
662 int hci_add_sysfs(struct hci_dev *hdev);
663 void hci_del_sysfs(struct hci_dev *hdev);
664 void hci_conn_init_sysfs(struct hci_conn *conn);
665 void hci_conn_add_sysfs(struct hci_conn *conn);
666 void hci_conn_del_sysfs(struct hci_conn *conn);
668 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
670 /* ----- LMP capabilities ----- */
671 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
672 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
673 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
674 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
675 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
676 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
677 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
678 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
680 /* ----- Extended LMP capabilities ----- */
681 #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
683 /* ----- HCI protocols ----- */
684 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
689 return l2cap_connect_ind(hdev, bdaddr);
693 return sco_connect_ind(hdev, bdaddr);
696 BT_ERR("unknown link type %d", type);
701 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
703 switch (conn->type) {
706 l2cap_connect_cfm(conn, status);
711 sco_connect_cfm(conn, status);
715 BT_ERR("unknown link type %d", conn->type);
719 if (conn->connect_cfm_cb)
720 conn->connect_cfm_cb(conn, status);
723 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
725 if (conn->type != ACL_LINK && conn->type != LE_LINK)
726 return HCI_ERROR_REMOTE_USER_TERM;
728 return l2cap_disconn_ind(conn);
731 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
733 switch (conn->type) {
736 l2cap_disconn_cfm(conn, reason);
741 sco_disconn_cfm(conn, reason);
745 BT_ERR("unknown link type %d", conn->type);
749 if (conn->disconn_cfm_cb)
750 conn->disconn_cfm_cb(conn, reason);
753 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
757 if (conn->type != ACL_LINK && conn->type != LE_LINK)
760 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
763 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
764 l2cap_security_cfm(conn, status, encrypt);
766 if (conn->security_cfm_cb)
767 conn->security_cfm_cb(conn, status);
770 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
773 if (conn->type != ACL_LINK && conn->type != LE_LINK)
776 l2cap_security_cfm(conn, status, encrypt);
778 if (conn->security_cfm_cb)
779 conn->security_cfm_cb(conn, status);
782 /* ----- HCI callbacks ----- */
784 struct list_head list;
788 void (*security_cfm) (struct hci_conn *conn, __u8 status,
790 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
791 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
794 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
799 hci_proto_auth_cfm(conn, status);
801 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
804 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
806 read_lock(&hci_cb_list_lock);
807 list_for_each(p, &hci_cb_list) {
808 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
809 if (cb->security_cfm)
810 cb->security_cfm(conn, status, encrypt);
812 read_unlock(&hci_cb_list_lock);
815 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
820 if (conn->sec_level == BT_SECURITY_SDP)
821 conn->sec_level = BT_SECURITY_LOW;
823 if (conn->pending_sec_level > conn->sec_level)
824 conn->sec_level = conn->pending_sec_level;
826 hci_proto_encrypt_cfm(conn, status, encrypt);
828 read_lock(&hci_cb_list_lock);
829 list_for_each(p, &hci_cb_list) {
830 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
831 if (cb->security_cfm)
832 cb->security_cfm(conn, status, encrypt);
834 read_unlock(&hci_cb_list_lock);
837 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
841 read_lock(&hci_cb_list_lock);
842 list_for_each(p, &hci_cb_list) {
843 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
844 if (cb->key_change_cfm)
845 cb->key_change_cfm(conn, status);
847 read_unlock(&hci_cb_list_lock);
850 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
855 read_lock(&hci_cb_list_lock);
856 list_for_each(p, &hci_cb_list) {
857 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
858 if (cb->role_switch_cfm)
859 cb->role_switch_cfm(conn, status, role);
861 read_unlock(&hci_cb_list_lock);
864 int hci_register_cb(struct hci_cb *hcb);
865 int hci_unregister_cb(struct hci_cb *hcb);
867 int hci_register_notifier(struct notifier_block *nb);
868 int hci_unregister_notifier(struct notifier_block *nb);
870 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
871 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
872 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
874 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
876 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
878 /* ----- HCI Sockets ----- */
879 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
880 struct sock *skip_sk);
882 /* Management interface */
883 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
884 int mgmt_index_added(struct hci_dev *hdev);
885 int mgmt_index_removed(struct hci_dev *hdev);
886 int mgmt_powered(struct hci_dev *hdev, u8 powered);
887 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
888 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
889 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
890 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
892 int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
894 int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
896 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
897 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
898 u8 addr_type, u8 status);
899 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
900 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
902 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
904 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
905 __le32 value, u8 confirm_hint);
906 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
908 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
909 bdaddr_t *bdaddr, u8 status);
910 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
911 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
913 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
914 bdaddr_t *bdaddr, u8 status);
915 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
916 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
917 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
918 u8 *randomizer, u8 status);
919 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
920 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
921 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
922 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
923 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
924 int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
925 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
926 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
928 /* HCI info for socket */
929 #define hci_pi(sk) ((struct hci_pinfo *) sk)
931 /* HCI socket flags */
932 #define HCI_PI_MGMT_INIT 0
936 struct hci_dev *hdev;
937 struct hci_filter filter;
939 unsigned short channel;
943 /* HCI security filter */
944 #define HCI_SFLT_MAX_OGF 5
946 struct hci_sec_filter {
949 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
952 /* ----- HCI requests ----- */
953 #define HCI_REQ_DONE 0
954 #define HCI_REQ_PEND 1
955 #define HCI_REQ_CANCELED 2
957 #define hci_req_lock(d) mutex_lock(&d->req_lock)
958 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
960 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
962 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
963 u16 latency, u16 to_multiplier);
964 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
966 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
967 void hci_le_ltk_neg_reply(struct hci_conn *conn);
969 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
970 int hci_cancel_inquiry(struct hci_dev *hdev);
972 #endif /* __HCI_CORE_H */