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;
70 struct hci_chan_hash {
71 struct list_head list;
77 struct list_head list;
82 struct list_head list;
87 struct key_master_id {
92 struct link_key_data {
102 struct list_head list;
112 struct list_head list;
119 struct list_head list;
124 #define NUM_REASSEMBLY 4
126 struct list_head list;
136 __u8 dev_name[HCI_MAX_NAME_LENGTH];
137 __u8 eir[HCI_MAX_EIR_LENGTH];
159 __u16 sniff_min_interval;
160 __u16 sniff_max_interval;
165 __u32 amp_min_latency;
169 __u16 amp_assoc_size;
170 __u32 amp_max_flush_to;
171 __u32 amp_be_flush_to;
173 unsigned int auto_accept_delay;
175 unsigned long quirks;
178 unsigned int acl_cnt;
179 unsigned int sco_cnt;
182 unsigned int acl_mtu;
183 unsigned int sco_mtu;
185 unsigned int acl_pkts;
186 unsigned int sco_pkts;
187 unsigned int le_pkts;
189 unsigned long acl_last_tx;
190 unsigned long sco_last_tx;
191 unsigned long le_last_tx;
193 struct workqueue_struct *workqueue;
195 struct work_struct power_on;
196 struct work_struct power_off;
197 struct timer_list off_timer;
199 struct timer_list cmd_timer;
200 struct tasklet_struct cmd_task;
201 struct tasklet_struct rx_task;
202 struct tasklet_struct tx_task;
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 inquiry_cache inq_cache;
219 struct hci_conn_hash conn_hash;
220 struct list_head blacklist;
222 struct list_head uuids;
224 struct list_head link_keys;
226 struct list_head remote_oob_data;
228 struct list_head adv_entries;
229 struct timer_list adv_timer;
231 struct hci_dev_stats stat;
233 struct sk_buff_head driver_init;
240 struct dentry *debugfs;
242 struct device *parent;
245 struct rfkill *rfkill;
247 struct module *owner;
249 int (*open)(struct hci_dev *hdev);
250 int (*close)(struct hci_dev *hdev);
251 int (*flush)(struct hci_dev *hdev);
252 int (*send)(struct sk_buff *skb);
253 void (*destruct)(struct hci_dev *hdev);
254 void (*notify)(struct hci_dev *hdev, unsigned int evt);
255 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
259 struct list_head list;
281 __u8 pending_sec_level;
295 struct sk_buff_head data_q;
296 struct hci_chan_hash chan_hash;
298 struct timer_list disc_timer;
299 struct timer_list idle_timer;
300 struct timer_list auto_accept_timer;
302 struct work_struct work_add;
303 struct work_struct work_del;
308 struct hci_dev *hdev;
312 struct hci_conn *link;
314 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
315 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
316 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
320 struct list_head list;
322 struct hci_conn *conn;
323 struct sk_buff_head data_q;
327 extern struct hci_proto *hci_proto[];
328 extern struct list_head hci_dev_list;
329 extern struct list_head hci_cb_list;
330 extern rwlock_t hci_dev_list_lock;
331 extern rwlock_t hci_cb_list_lock;
333 /* ----- Inquiry cache ----- */
334 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
335 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
337 #define inquiry_cache_lock(c) spin_lock(&c->lock)
338 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
339 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
340 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
342 static inline void inquiry_cache_init(struct hci_dev *hdev)
344 struct inquiry_cache *c = &hdev->inq_cache;
345 spin_lock_init(&c->lock);
349 static inline int inquiry_cache_empty(struct hci_dev *hdev)
351 struct inquiry_cache *c = &hdev->inq_cache;
352 return c->list == NULL;
355 static inline long inquiry_cache_age(struct hci_dev *hdev)
357 struct inquiry_cache *c = &hdev->inq_cache;
358 return jiffies - c->timestamp;
361 static inline long inquiry_entry_age(struct inquiry_entry *e)
363 return jiffies - e->timestamp;
366 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
368 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
370 /* ----- HCI Connections ----- */
373 HCI_CONN_REAUTH_PEND,
374 HCI_CONN_ENCRYPT_PEND,
375 HCI_CONN_RSWITCH_PEND,
376 HCI_CONN_MODE_CHANGE_PEND,
377 HCI_CONN_SCO_SETUP_PEND,
378 HCI_CONN_LE_SMP_PEND,
381 static inline void hci_conn_hash_init(struct hci_dev *hdev)
383 struct hci_conn_hash *h = &hdev->conn_hash;
384 INIT_LIST_HEAD(&h->list);
385 spin_lock_init(&h->lock);
390 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
392 struct hci_conn_hash *h = &hdev->conn_hash;
393 list_add(&c->list, &h->list);
408 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
410 struct hci_conn_hash *h = &hdev->conn_hash;
426 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
428 struct hci_conn_hash *h = &hdev->conn_hash;
442 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
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->handle == handle)
457 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
458 __u8 type, bdaddr_t *ba)
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 && !bacmp(&c->dst, ba))
472 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
473 __u8 type, __u16 state)
475 struct hci_conn_hash *h = &hdev->conn_hash;
479 list_for_each(p, &h->list) {
480 c = list_entry(p, struct hci_conn, list);
481 if (c->type == type && c->state == state)
487 static inline void hci_chan_hash_init(struct hci_conn *c)
489 struct hci_chan_hash *h = &c->chan_hash;
490 INIT_LIST_HEAD(&h->list);
491 spin_lock_init(&h->lock);
495 static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan)
497 struct hci_chan_hash *h = &c->chan_hash;
498 list_add(&chan->list, &h->list);
502 static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan)
504 struct hci_chan_hash *h = &c->chan_hash;
505 list_del(&chan->list);
509 void hci_acl_connect(struct hci_conn *conn);
510 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
511 void hci_add_sco(struct hci_conn *conn, __u16 handle);
512 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
513 void hci_sco_setup(struct hci_conn *conn, __u8 status);
515 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
516 int hci_conn_del(struct hci_conn *conn);
517 void hci_conn_hash_flush(struct hci_dev *hdev);
518 void hci_conn_check_pending(struct hci_dev *hdev);
520 struct hci_chan *hci_chan_create(struct hci_conn *conn);
521 int hci_chan_del(struct hci_chan *chan);
522 void hci_chan_hash_flush(struct hci_conn *conn);
524 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
525 __u8 sec_level, __u8 auth_type);
526 int hci_conn_check_link_mode(struct hci_conn *conn);
527 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
528 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
529 int hci_conn_change_link_key(struct hci_conn *conn);
530 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
532 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
533 void hci_conn_enter_sniff_mode(struct hci_conn *conn);
535 void hci_conn_hold_device(struct hci_conn *conn);
536 void hci_conn_put_device(struct hci_conn *conn);
538 static inline void hci_conn_hold(struct hci_conn *conn)
540 atomic_inc(&conn->refcnt);
541 del_timer(&conn->disc_timer);
544 static inline void hci_conn_put(struct hci_conn *conn)
546 if (atomic_dec_and_test(&conn->refcnt)) {
548 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
549 del_timer(&conn->idle_timer);
550 if (conn->state == BT_CONNECTED) {
551 timeo = msecs_to_jiffies(conn->disc_timeout);
555 timeo = msecs_to_jiffies(10);
558 timeo = msecs_to_jiffies(10);
560 mod_timer(&conn->disc_timer, jiffies + timeo);
564 /* ----- HCI Devices ----- */
565 static inline void __hci_dev_put(struct hci_dev *d)
567 if (atomic_dec_and_test(&d->refcnt))
571 static inline void hci_dev_put(struct hci_dev *d)
574 module_put(d->owner);
577 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
579 atomic_inc(&d->refcnt);
583 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
585 if (try_module_get(d->owner))
586 return __hci_dev_hold(d);
590 #define hci_dev_lock(d) spin_lock(&d->lock)
591 #define hci_dev_unlock(d) spin_unlock(&d->lock)
592 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
593 #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
595 struct hci_dev *hci_dev_get(int index);
596 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
598 struct hci_dev *hci_alloc_dev(void);
599 void hci_free_dev(struct hci_dev *hdev);
600 int hci_register_dev(struct hci_dev *hdev);
601 void hci_unregister_dev(struct hci_dev *hdev);
602 int hci_suspend_dev(struct hci_dev *hdev);
603 int hci_resume_dev(struct hci_dev *hdev);
604 int hci_dev_open(__u16 dev);
605 int hci_dev_close(__u16 dev);
606 int hci_dev_reset(__u16 dev);
607 int hci_dev_reset_stat(__u16 dev);
608 int hci_dev_cmd(unsigned int cmd, void __user *arg);
609 int hci_get_dev_list(void __user *arg);
610 int hci_get_dev_info(void __user *arg);
611 int hci_get_conn_list(void __user *arg);
612 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
613 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
614 int hci_inquiry(void __user *arg);
616 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
617 int hci_blacklist_clear(struct hci_dev *hdev);
618 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
619 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
621 int hci_uuids_clear(struct hci_dev *hdev);
623 int hci_link_keys_clear(struct hci_dev *hdev);
624 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
625 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
626 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
627 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
628 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
629 bdaddr_t *bdaddr, u8 type);
630 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
631 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
632 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
634 int hci_remote_oob_data_clear(struct hci_dev *hdev);
635 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
637 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
639 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
641 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
642 int hci_adv_entries_clear(struct hci_dev *hdev);
643 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
644 int hci_add_adv_entry(struct hci_dev *hdev,
645 struct hci_ev_le_advertising_info *ev);
647 void hci_del_off_timer(struct hci_dev *hdev);
649 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
651 int hci_recv_frame(struct sk_buff *skb);
652 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
653 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
655 void hci_init_sysfs(struct hci_dev *hdev);
656 int hci_add_sysfs(struct hci_dev *hdev);
657 void hci_del_sysfs(struct hci_dev *hdev);
658 void hci_conn_init_sysfs(struct hci_conn *conn);
659 void hci_conn_add_sysfs(struct hci_conn *conn);
660 void hci_conn_del_sysfs(struct hci_conn *conn);
662 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
664 /* ----- LMP capabilities ----- */
665 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
666 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
667 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
668 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
669 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
670 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
671 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
672 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
674 /* ----- Extended LMP capabilities ----- */
675 #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
677 /* ----- HCI protocols ----- */
685 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
687 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
688 int (*disconn_ind) (struct hci_conn *conn);
689 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
690 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
692 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
693 int (*security_cfm) (struct hci_conn *conn, __u8 status,
697 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
700 register struct hci_proto *hp;
703 hp = hci_proto[HCI_PROTO_L2CAP];
704 if (hp && hp->connect_ind)
705 mask |= hp->connect_ind(hdev, bdaddr, type);
707 hp = hci_proto[HCI_PROTO_SCO];
708 if (hp && hp->connect_ind)
709 mask |= hp->connect_ind(hdev, bdaddr, type);
714 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
716 register struct hci_proto *hp;
718 hp = hci_proto[HCI_PROTO_L2CAP];
719 if (hp && hp->connect_cfm)
720 hp->connect_cfm(conn, status);
722 hp = hci_proto[HCI_PROTO_SCO];
723 if (hp && hp->connect_cfm)
724 hp->connect_cfm(conn, status);
726 if (conn->connect_cfm_cb)
727 conn->connect_cfm_cb(conn, status);
730 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
732 register struct hci_proto *hp;
733 int reason = HCI_ERROR_REMOTE_USER_TERM;
735 hp = hci_proto[HCI_PROTO_L2CAP];
736 if (hp && hp->disconn_ind)
737 reason = hp->disconn_ind(conn);
739 hp = hci_proto[HCI_PROTO_SCO];
740 if (hp && hp->disconn_ind)
741 reason = hp->disconn_ind(conn);
746 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
748 register struct hci_proto *hp;
750 hp = hci_proto[HCI_PROTO_L2CAP];
751 if (hp && hp->disconn_cfm)
752 hp->disconn_cfm(conn, reason);
754 hp = hci_proto[HCI_PROTO_SCO];
755 if (hp && hp->disconn_cfm)
756 hp->disconn_cfm(conn, reason);
758 if (conn->disconn_cfm_cb)
759 conn->disconn_cfm_cb(conn, reason);
762 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
764 register struct hci_proto *hp;
767 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
770 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
772 hp = hci_proto[HCI_PROTO_L2CAP];
773 if (hp && hp->security_cfm)
774 hp->security_cfm(conn, status, encrypt);
776 hp = hci_proto[HCI_PROTO_SCO];
777 if (hp && hp->security_cfm)
778 hp->security_cfm(conn, status, encrypt);
780 if (conn->security_cfm_cb)
781 conn->security_cfm_cb(conn, status);
784 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
787 register struct hci_proto *hp;
789 hp = hci_proto[HCI_PROTO_L2CAP];
790 if (hp && hp->security_cfm)
791 hp->security_cfm(conn, status, encrypt);
793 hp = hci_proto[HCI_PROTO_SCO];
794 if (hp && hp->security_cfm)
795 hp->security_cfm(conn, status, encrypt);
797 if (conn->security_cfm_cb)
798 conn->security_cfm_cb(conn, status);
801 int hci_register_proto(struct hci_proto *hproto);
802 int hci_unregister_proto(struct hci_proto *hproto);
804 /* ----- HCI callbacks ----- */
806 struct list_head list;
810 void (*security_cfm) (struct hci_conn *conn, __u8 status,
812 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
813 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
816 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
821 hci_proto_auth_cfm(conn, status);
823 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
826 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
828 read_lock_bh(&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_bh(&hci_cb_list_lock);
837 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
842 if (conn->sec_level == BT_SECURITY_SDP)
843 conn->sec_level = BT_SECURITY_LOW;
845 if (conn->pending_sec_level > conn->sec_level)
846 conn->sec_level = conn->pending_sec_level;
848 hci_proto_encrypt_cfm(conn, status, encrypt);
850 read_lock_bh(&hci_cb_list_lock);
851 list_for_each(p, &hci_cb_list) {
852 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
853 if (cb->security_cfm)
854 cb->security_cfm(conn, status, encrypt);
856 read_unlock_bh(&hci_cb_list_lock);
859 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
863 read_lock_bh(&hci_cb_list_lock);
864 list_for_each(p, &hci_cb_list) {
865 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
866 if (cb->key_change_cfm)
867 cb->key_change_cfm(conn, status);
869 read_unlock_bh(&hci_cb_list_lock);
872 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
877 read_lock_bh(&hci_cb_list_lock);
878 list_for_each(p, &hci_cb_list) {
879 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
880 if (cb->role_switch_cfm)
881 cb->role_switch_cfm(conn, status, role);
883 read_unlock_bh(&hci_cb_list_lock);
886 int hci_register_cb(struct hci_cb *hcb);
887 int hci_unregister_cb(struct hci_cb *hcb);
889 int hci_register_notifier(struct notifier_block *nb);
890 int hci_unregister_notifier(struct notifier_block *nb);
892 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
893 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
894 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
896 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
898 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
900 /* ----- HCI Sockets ----- */
901 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
902 struct sock *skip_sk);
904 /* Management interface */
905 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
906 int mgmt_index_added(u16 index);
907 int mgmt_index_removed(u16 index);
908 int mgmt_powered(u16 index, u8 powered);
909 int mgmt_discoverable(u16 index, u8 discoverable);
910 int mgmt_connectable(u16 index, u8 connectable);
911 int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
912 int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
913 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
914 int mgmt_disconnect_failed(u16 index);
915 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
916 int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
917 int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
918 int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
919 int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
921 int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
922 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
924 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
925 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
926 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
928 int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
930 int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
931 int mgmt_inquiry_failed(u16 index, u8 status);
932 int mgmt_discovering(u16 index, u8 discovering);
933 int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr);
934 int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr);
936 /* HCI info for socket */
937 #define hci_pi(sk) ((struct hci_pinfo *) sk)
941 struct hci_dev *hdev;
942 struct hci_filter filter;
944 unsigned short channel;
947 /* HCI security filter */
948 #define HCI_SFLT_MAX_OGF 5
950 struct hci_sec_filter {
953 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
956 /* ----- HCI requests ----- */
957 #define HCI_REQ_DONE 0
958 #define HCI_REQ_PEND 1
959 #define HCI_REQ_CANCELED 2
961 #define hci_req_lock(d) mutex_lock(&d->req_lock)
962 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
964 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
966 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
967 u16 latency, u16 to_multiplier);
968 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
970 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
971 void hci_le_ltk_neg_reply(struct hci_conn *conn);
973 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
975 #endif /* __HCI_CORE_H */