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>
31 /* HCI upper protocols */
32 #define HCI_PROTO_L2CAP 0
33 #define HCI_PROTO_SCO 1
36 #define HCI_PRIO_MAX 7
38 /* HCI Core structures */
42 __u8 pscan_period_mode;
50 struct inquiry_entry {
51 struct inquiry_entry *next;
53 struct inquiry_data data;
56 struct inquiry_cache {
59 struct inquiry_entry *list;
62 struct hci_conn_hash {
63 struct list_head list;
71 struct list_head list;
76 struct list_head list;
81 struct key_master_id {
86 struct link_key_data {
96 struct list_head list;
106 struct list_head list;
113 struct list_head list;
118 #define NUM_REASSEMBLY 4
120 struct list_head list;
130 __u8 dev_name[HCI_MAX_NAME_LENGTH];
131 __u8 eir[HCI_MAX_EIR_LENGTH];
153 __u16 sniff_min_interval;
154 __u16 sniff_max_interval;
159 __u32 amp_min_latency;
163 __u16 amp_assoc_size;
164 __u32 amp_max_flush_to;
165 __u32 amp_be_flush_to;
167 unsigned int auto_accept_delay;
169 unsigned long quirks;
172 unsigned int acl_cnt;
173 unsigned int sco_cnt;
176 unsigned int acl_mtu;
177 unsigned int sco_mtu;
179 unsigned int acl_pkts;
180 unsigned int sco_pkts;
181 unsigned int le_pkts;
183 unsigned long acl_last_tx;
184 unsigned long sco_last_tx;
185 unsigned long le_last_tx;
187 struct workqueue_struct *workqueue;
189 struct work_struct power_on;
190 struct work_struct power_off;
191 struct timer_list off_timer;
193 struct timer_list cmd_timer;
194 struct tasklet_struct cmd_task;
195 struct tasklet_struct rx_task;
196 struct tasklet_struct tx_task;
198 struct sk_buff_head rx_q;
199 struct sk_buff_head raw_q;
200 struct sk_buff_head cmd_q;
202 struct sk_buff *sent_cmd;
203 struct sk_buff *reassembly[NUM_REASSEMBLY];
205 struct mutex req_lock;
206 wait_queue_head_t req_wait_q;
212 struct inquiry_cache inq_cache;
213 struct hci_conn_hash conn_hash;
214 struct list_head blacklist;
216 struct list_head uuids;
218 struct list_head link_keys;
220 struct list_head remote_oob_data;
222 struct list_head adv_entries;
223 struct timer_list adv_timer;
225 struct hci_dev_stats stat;
227 struct sk_buff_head driver_init;
234 struct dentry *debugfs;
236 struct device *parent;
239 struct rfkill *rfkill;
241 struct module *owner;
243 int (*open)(struct hci_dev *hdev);
244 int (*close)(struct hci_dev *hdev);
245 int (*flush)(struct hci_dev *hdev);
246 int (*send)(struct sk_buff *skb);
247 void (*destruct)(struct hci_dev *hdev);
248 void (*notify)(struct hci_dev *hdev, unsigned int evt);
249 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
253 struct list_head list;
275 __u8 pending_sec_level;
289 struct sk_buff_head data_q;
291 struct timer_list disc_timer;
292 struct timer_list idle_timer;
293 struct timer_list auto_accept_timer;
295 struct work_struct work_add;
296 struct work_struct work_del;
301 struct hci_dev *hdev;
305 struct hci_conn *link;
307 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
308 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
309 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
312 extern struct hci_proto *hci_proto[];
313 extern struct list_head hci_dev_list;
314 extern struct list_head hci_cb_list;
315 extern rwlock_t hci_dev_list_lock;
316 extern rwlock_t hci_cb_list_lock;
318 /* ----- Inquiry cache ----- */
319 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
320 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
322 #define inquiry_cache_lock(c) spin_lock(&c->lock)
323 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
324 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
325 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
327 static inline void inquiry_cache_init(struct hci_dev *hdev)
329 struct inquiry_cache *c = &hdev->inq_cache;
330 spin_lock_init(&c->lock);
334 static inline int inquiry_cache_empty(struct hci_dev *hdev)
336 struct inquiry_cache *c = &hdev->inq_cache;
337 return c->list == NULL;
340 static inline long inquiry_cache_age(struct hci_dev *hdev)
342 struct inquiry_cache *c = &hdev->inq_cache;
343 return jiffies - c->timestamp;
346 static inline long inquiry_entry_age(struct inquiry_entry *e)
348 return jiffies - e->timestamp;
351 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
353 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
355 /* ----- HCI Connections ----- */
358 HCI_CONN_REAUTH_PEND,
359 HCI_CONN_ENCRYPT_PEND,
360 HCI_CONN_RSWITCH_PEND,
361 HCI_CONN_MODE_CHANGE_PEND,
362 HCI_CONN_SCO_SETUP_PEND,
363 HCI_CONN_LE_SMP_PEND,
366 static inline void hci_conn_hash_init(struct hci_dev *hdev)
368 struct hci_conn_hash *h = &hdev->conn_hash;
369 INIT_LIST_HEAD(&h->list);
370 spin_lock_init(&h->lock);
375 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
377 struct hci_conn_hash *h = &hdev->conn_hash;
378 list_add(&c->list, &h->list);
393 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
395 struct hci_conn_hash *h = &hdev->conn_hash;
411 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
413 struct hci_conn_hash *h = &hdev->conn_hash;
427 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
430 struct hci_conn_hash *h = &hdev->conn_hash;
434 list_for_each(p, &h->list) {
435 c = list_entry(p, struct hci_conn, list);
436 if (c->handle == handle)
442 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
443 __u8 type, bdaddr_t *ba)
445 struct hci_conn_hash *h = &hdev->conn_hash;
449 list_for_each(p, &h->list) {
450 c = list_entry(p, struct hci_conn, list);
451 if (c->type == type && !bacmp(&c->dst, ba))
457 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
458 __u8 type, __u16 state)
460 struct hci_conn_hash *h = &hdev->conn_hash;
464 list_for_each(p, &h->list) {
465 c = list_entry(p, struct hci_conn, list);
466 if (c->type == type && c->state == state)
472 void hci_acl_connect(struct hci_conn *conn);
473 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
474 void hci_add_sco(struct hci_conn *conn, __u16 handle);
475 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
476 void hci_sco_setup(struct hci_conn *conn, __u8 status);
478 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
479 int hci_conn_del(struct hci_conn *conn);
480 void hci_conn_hash_flush(struct hci_dev *hdev);
481 void hci_conn_check_pending(struct hci_dev *hdev);
483 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
484 __u8 sec_level, __u8 auth_type);
485 int hci_conn_check_link_mode(struct hci_conn *conn);
486 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
487 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
488 int hci_conn_change_link_key(struct hci_conn *conn);
489 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
491 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
492 void hci_conn_enter_sniff_mode(struct hci_conn *conn);
494 void hci_conn_hold_device(struct hci_conn *conn);
495 void hci_conn_put_device(struct hci_conn *conn);
497 static inline void hci_conn_hold(struct hci_conn *conn)
499 atomic_inc(&conn->refcnt);
500 del_timer(&conn->disc_timer);
503 static inline void hci_conn_put(struct hci_conn *conn)
505 if (atomic_dec_and_test(&conn->refcnt)) {
507 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
508 del_timer(&conn->idle_timer);
509 if (conn->state == BT_CONNECTED) {
510 timeo = msecs_to_jiffies(conn->disc_timeout);
514 timeo = msecs_to_jiffies(10);
517 timeo = msecs_to_jiffies(10);
519 mod_timer(&conn->disc_timer, jiffies + timeo);
523 /* ----- HCI Devices ----- */
524 static inline void __hci_dev_put(struct hci_dev *d)
526 if (atomic_dec_and_test(&d->refcnt))
530 static inline void hci_dev_put(struct hci_dev *d)
533 module_put(d->owner);
536 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
538 atomic_inc(&d->refcnt);
542 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
544 if (try_module_get(d->owner))
545 return __hci_dev_hold(d);
549 #define hci_dev_lock(d) spin_lock(&d->lock)
550 #define hci_dev_unlock(d) spin_unlock(&d->lock)
551 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
552 #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
554 struct hci_dev *hci_dev_get(int index);
555 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
557 struct hci_dev *hci_alloc_dev(void);
558 void hci_free_dev(struct hci_dev *hdev);
559 int hci_register_dev(struct hci_dev *hdev);
560 void hci_unregister_dev(struct hci_dev *hdev);
561 int hci_suspend_dev(struct hci_dev *hdev);
562 int hci_resume_dev(struct hci_dev *hdev);
563 int hci_dev_open(__u16 dev);
564 int hci_dev_close(__u16 dev);
565 int hci_dev_reset(__u16 dev);
566 int hci_dev_reset_stat(__u16 dev);
567 int hci_dev_cmd(unsigned int cmd, void __user *arg);
568 int hci_get_dev_list(void __user *arg);
569 int hci_get_dev_info(void __user *arg);
570 int hci_get_conn_list(void __user *arg);
571 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
572 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
573 int hci_inquiry(void __user *arg);
575 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
576 int hci_blacklist_clear(struct hci_dev *hdev);
577 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
578 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
580 int hci_uuids_clear(struct hci_dev *hdev);
582 int hci_link_keys_clear(struct hci_dev *hdev);
583 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
584 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
585 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
586 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
587 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
588 bdaddr_t *bdaddr, u8 type);
589 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
590 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
591 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
593 int hci_remote_oob_data_clear(struct hci_dev *hdev);
594 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
596 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
598 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
600 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
601 int hci_adv_entries_clear(struct hci_dev *hdev);
602 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
603 int hci_add_adv_entry(struct hci_dev *hdev,
604 struct hci_ev_le_advertising_info *ev);
606 void hci_del_off_timer(struct hci_dev *hdev);
608 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
610 int hci_recv_frame(struct sk_buff *skb);
611 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
612 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
614 void hci_init_sysfs(struct hci_dev *hdev);
615 int hci_add_sysfs(struct hci_dev *hdev);
616 void hci_del_sysfs(struct hci_dev *hdev);
617 void hci_conn_init_sysfs(struct hci_conn *conn);
618 void hci_conn_add_sysfs(struct hci_conn *conn);
619 void hci_conn_del_sysfs(struct hci_conn *conn);
621 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
623 /* ----- LMP capabilities ----- */
624 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
625 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
626 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
627 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
628 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
629 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
630 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
631 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
633 /* ----- Extended LMP capabilities ----- */
634 #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
636 /* ----- HCI protocols ----- */
644 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
646 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
647 int (*disconn_ind) (struct hci_conn *conn);
648 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
649 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
651 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
652 int (*security_cfm) (struct hci_conn *conn, __u8 status,
656 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
659 register struct hci_proto *hp;
662 hp = hci_proto[HCI_PROTO_L2CAP];
663 if (hp && hp->connect_ind)
664 mask |= hp->connect_ind(hdev, bdaddr, type);
666 hp = hci_proto[HCI_PROTO_SCO];
667 if (hp && hp->connect_ind)
668 mask |= hp->connect_ind(hdev, bdaddr, type);
673 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
675 register struct hci_proto *hp;
677 hp = hci_proto[HCI_PROTO_L2CAP];
678 if (hp && hp->connect_cfm)
679 hp->connect_cfm(conn, status);
681 hp = hci_proto[HCI_PROTO_SCO];
682 if (hp && hp->connect_cfm)
683 hp->connect_cfm(conn, status);
685 if (conn->connect_cfm_cb)
686 conn->connect_cfm_cb(conn, status);
689 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
691 register struct hci_proto *hp;
694 hp = hci_proto[HCI_PROTO_L2CAP];
695 if (hp && hp->disconn_ind)
696 reason = hp->disconn_ind(conn);
698 hp = hci_proto[HCI_PROTO_SCO];
699 if (hp && hp->disconn_ind)
700 reason = hp->disconn_ind(conn);
705 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
707 register struct hci_proto *hp;
709 hp = hci_proto[HCI_PROTO_L2CAP];
710 if (hp && hp->disconn_cfm)
711 hp->disconn_cfm(conn, reason);
713 hp = hci_proto[HCI_PROTO_SCO];
714 if (hp && hp->disconn_cfm)
715 hp->disconn_cfm(conn, reason);
717 if (conn->disconn_cfm_cb)
718 conn->disconn_cfm_cb(conn, reason);
721 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
723 register struct hci_proto *hp;
726 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
729 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
731 hp = hci_proto[HCI_PROTO_L2CAP];
732 if (hp && hp->security_cfm)
733 hp->security_cfm(conn, status, encrypt);
735 hp = hci_proto[HCI_PROTO_SCO];
736 if (hp && hp->security_cfm)
737 hp->security_cfm(conn, status, encrypt);
739 if (conn->security_cfm_cb)
740 conn->security_cfm_cb(conn, status);
743 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
746 register struct hci_proto *hp;
748 hp = hci_proto[HCI_PROTO_L2CAP];
749 if (hp && hp->security_cfm)
750 hp->security_cfm(conn, status, encrypt);
752 hp = hci_proto[HCI_PROTO_SCO];
753 if (hp && hp->security_cfm)
754 hp->security_cfm(conn, status, encrypt);
756 if (conn->security_cfm_cb)
757 conn->security_cfm_cb(conn, status);
760 int hci_register_proto(struct hci_proto *hproto);
761 int hci_unregister_proto(struct hci_proto *hproto);
763 /* ----- HCI callbacks ----- */
765 struct list_head list;
769 void (*security_cfm) (struct hci_conn *conn, __u8 status,
771 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
772 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
775 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
780 hci_proto_auth_cfm(conn, status);
782 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
785 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
787 read_lock_bh(&hci_cb_list_lock);
788 list_for_each(p, &hci_cb_list) {
789 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
790 if (cb->security_cfm)
791 cb->security_cfm(conn, status, encrypt);
793 read_unlock_bh(&hci_cb_list_lock);
796 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
801 if (conn->sec_level == BT_SECURITY_SDP)
802 conn->sec_level = BT_SECURITY_LOW;
804 if (conn->pending_sec_level > conn->sec_level)
805 conn->sec_level = conn->pending_sec_level;
807 hci_proto_encrypt_cfm(conn, status, encrypt);
809 read_lock_bh(&hci_cb_list_lock);
810 list_for_each(p, &hci_cb_list) {
811 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
812 if (cb->security_cfm)
813 cb->security_cfm(conn, status, encrypt);
815 read_unlock_bh(&hci_cb_list_lock);
818 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
822 read_lock_bh(&hci_cb_list_lock);
823 list_for_each(p, &hci_cb_list) {
824 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
825 if (cb->key_change_cfm)
826 cb->key_change_cfm(conn, status);
828 read_unlock_bh(&hci_cb_list_lock);
831 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
836 read_lock_bh(&hci_cb_list_lock);
837 list_for_each(p, &hci_cb_list) {
838 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
839 if (cb->role_switch_cfm)
840 cb->role_switch_cfm(conn, status, role);
842 read_unlock_bh(&hci_cb_list_lock);
845 int hci_register_cb(struct hci_cb *hcb);
846 int hci_unregister_cb(struct hci_cb *hcb);
848 int hci_register_notifier(struct notifier_block *nb);
849 int hci_unregister_notifier(struct notifier_block *nb);
851 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
852 void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
853 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
855 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
857 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
859 /* ----- HCI Sockets ----- */
860 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
861 struct sock *skip_sk);
863 /* Management interface */
864 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
865 int mgmt_index_added(u16 index);
866 int mgmt_index_removed(u16 index);
867 int mgmt_powered(u16 index, u8 powered);
868 int mgmt_discoverable(u16 index, u8 discoverable);
869 int mgmt_connectable(u16 index, u8 connectable);
870 int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
871 int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
872 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
873 int mgmt_disconnect_failed(u16 index);
874 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
875 int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
876 int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
877 int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
878 int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
880 int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
881 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
883 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
884 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
885 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
887 int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
889 int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
890 int mgmt_discovering(u16 index, u8 discovering);
891 int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr);
892 int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr);
894 /* HCI info for socket */
895 #define hci_pi(sk) ((struct hci_pinfo *) sk)
899 struct hci_dev *hdev;
900 struct hci_filter filter;
902 unsigned short channel;
905 /* HCI security filter */
906 #define HCI_SFLT_MAX_OGF 5
908 struct hci_sec_filter {
911 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
914 /* ----- HCI requests ----- */
915 #define HCI_REQ_DONE 0
916 #define HCI_REQ_PEND 1
917 #define HCI_REQ_CANCELED 2
919 #define hci_req_lock(d) mutex_lock(&d->req_lock)
920 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
922 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
924 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
925 u16 latency, u16 to_multiplier);
926 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
928 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
929 void hci_le_ltk_neg_reply(struct hci_conn *conn);
931 #endif /* __HCI_CORE_H */