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 delayed_work power_off;
198 __u16 discov_timeout;
199 struct delayed_work discov_off;
201 struct timer_list cmd_timer;
202 struct tasklet_struct cmd_task;
203 struct tasklet_struct rx_task;
204 struct tasklet_struct tx_task;
206 struct sk_buff_head rx_q;
207 struct sk_buff_head raw_q;
208 struct sk_buff_head cmd_q;
210 struct sk_buff *sent_cmd;
211 struct sk_buff *reassembly[NUM_REASSEMBLY];
213 struct mutex req_lock;
214 wait_queue_head_t req_wait_q;
220 struct list_head mgmt_pending;
222 struct inquiry_cache inq_cache;
223 struct hci_conn_hash conn_hash;
224 struct list_head blacklist;
226 struct list_head uuids;
228 struct list_head link_keys;
230 struct list_head remote_oob_data;
232 struct list_head adv_entries;
233 struct timer_list adv_timer;
235 struct hci_dev_stats stat;
237 struct sk_buff_head driver_init;
244 struct dentry *debugfs;
246 struct device *parent;
249 struct rfkill *rfkill;
251 struct module *owner;
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 hci_chan_hash chan_hash;
302 struct timer_list disc_timer;
303 struct timer_list idle_timer;
304 struct timer_list auto_accept_timer;
306 struct work_struct work_add;
307 struct work_struct work_del;
312 struct hci_dev *hdev;
316 struct hci_conn *link;
318 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
319 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
320 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
324 struct list_head list;
326 struct hci_conn *conn;
327 struct sk_buff_head data_q;
331 extern struct hci_proto *hci_proto[];
332 extern struct list_head hci_dev_list;
333 extern struct list_head hci_cb_list;
334 extern rwlock_t hci_dev_list_lock;
335 extern rwlock_t hci_cb_list_lock;
337 /* ----- Inquiry cache ----- */
338 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
339 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
341 #define inquiry_cache_lock(c) spin_lock(&c->lock)
342 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
343 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
344 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
346 static inline void inquiry_cache_init(struct hci_dev *hdev)
348 struct inquiry_cache *c = &hdev->inq_cache;
349 spin_lock_init(&c->lock);
353 static inline int inquiry_cache_empty(struct hci_dev *hdev)
355 struct inquiry_cache *c = &hdev->inq_cache;
356 return c->list == NULL;
359 static inline long inquiry_cache_age(struct hci_dev *hdev)
361 struct inquiry_cache *c = &hdev->inq_cache;
362 return jiffies - c->timestamp;
365 static inline long inquiry_entry_age(struct inquiry_entry *e)
367 return jiffies - e->timestamp;
370 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
372 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
374 /* ----- HCI Connections ----- */
377 HCI_CONN_REAUTH_PEND,
378 HCI_CONN_ENCRYPT_PEND,
379 HCI_CONN_RSWITCH_PEND,
380 HCI_CONN_MODE_CHANGE_PEND,
381 HCI_CONN_SCO_SETUP_PEND,
382 HCI_CONN_LE_SMP_PEND,
385 static inline void hci_conn_hash_init(struct hci_dev *hdev)
387 struct hci_conn_hash *h = &hdev->conn_hash;
388 INIT_LIST_HEAD(&h->list);
389 spin_lock_init(&h->lock);
394 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
396 struct hci_conn_hash *h = &hdev->conn_hash;
397 list_add(&c->list, &h->list);
412 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
414 struct hci_conn_hash *h = &hdev->conn_hash;
430 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
432 struct hci_conn_hash *h = &hdev->conn_hash;
446 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
449 struct hci_conn_hash *h = &hdev->conn_hash;
453 list_for_each(p, &h->list) {
454 c = list_entry(p, struct hci_conn, list);
455 if (c->handle == handle)
461 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
462 __u8 type, bdaddr_t *ba)
464 struct hci_conn_hash *h = &hdev->conn_hash;
468 list_for_each(p, &h->list) {
469 c = list_entry(p, struct hci_conn, list);
470 if (c->type == type && !bacmp(&c->dst, ba))
476 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
477 __u8 type, __u16 state)
479 struct hci_conn_hash *h = &hdev->conn_hash;
483 list_for_each(p, &h->list) {
484 c = list_entry(p, struct hci_conn, list);
485 if (c->type == type && c->state == state)
491 static inline void hci_chan_hash_init(struct hci_conn *c)
493 struct hci_chan_hash *h = &c->chan_hash;
494 INIT_LIST_HEAD(&h->list);
495 spin_lock_init(&h->lock);
499 static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan)
501 struct hci_chan_hash *h = &c->chan_hash;
502 list_add(&chan->list, &h->list);
506 static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan)
508 struct hci_chan_hash *h = &c->chan_hash;
509 list_del(&chan->list);
513 void hci_acl_connect(struct hci_conn *conn);
514 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
515 void hci_add_sco(struct hci_conn *conn, __u16 handle);
516 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
517 void hci_sco_setup(struct hci_conn *conn, __u8 status);
519 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int 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_hash_flush(struct hci_conn *conn);
528 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
529 __u8 sec_level, __u8 auth_type);
530 int hci_conn_check_link_mode(struct hci_conn *conn);
531 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
532 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
533 int hci_conn_change_link_key(struct hci_conn *conn);
534 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
536 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
537 void hci_conn_enter_sniff_mode(struct hci_conn *conn);
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 del_timer(&conn->disc_timer);
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 mod_timer(&conn->disc_timer, jiffies + timeo);
568 /* ----- HCI Devices ----- */
569 static inline void __hci_dev_put(struct hci_dev *d)
571 if (atomic_dec_and_test(&d->refcnt))
576 * hci_dev_put and hci_dev_hold are macros to avoid dragging all the
577 * overhead of all the modular infrastructure into this header.
579 #define hci_dev_put(d) \
582 module_put(d->owner); \
585 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
587 atomic_inc(&d->refcnt);
591 #define hci_dev_hold(d) \
593 try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
596 #define hci_dev_lock(d) spin_lock(&d->lock)
597 #define hci_dev_unlock(d) spin_unlock(&d->lock)
598 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
599 #define hci_dev_unlock_bh(d) spin_unlock_bh(&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)->extfeatures[0] & LMP_HOST_LE)
683 /* ----- HCI protocols ----- */
691 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
693 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
694 int (*disconn_ind) (struct hci_conn *conn);
695 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
696 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
698 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
699 int (*security_cfm) (struct hci_conn *conn, __u8 status,
703 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
706 register struct hci_proto *hp;
709 hp = hci_proto[HCI_PROTO_L2CAP];
710 if (hp && hp->connect_ind)
711 mask |= hp->connect_ind(hdev, bdaddr, type);
713 hp = hci_proto[HCI_PROTO_SCO];
714 if (hp && hp->connect_ind)
715 mask |= hp->connect_ind(hdev, bdaddr, type);
720 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
722 register struct hci_proto *hp;
724 hp = hci_proto[HCI_PROTO_L2CAP];
725 if (hp && hp->connect_cfm)
726 hp->connect_cfm(conn, status);
728 hp = hci_proto[HCI_PROTO_SCO];
729 if (hp && hp->connect_cfm)
730 hp->connect_cfm(conn, status);
732 if (conn->connect_cfm_cb)
733 conn->connect_cfm_cb(conn, status);
736 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
738 register struct hci_proto *hp;
739 int reason = HCI_ERROR_REMOTE_USER_TERM;
741 hp = hci_proto[HCI_PROTO_L2CAP];
742 if (hp && hp->disconn_ind)
743 reason = hp->disconn_ind(conn);
745 hp = hci_proto[HCI_PROTO_SCO];
746 if (hp && hp->disconn_ind)
747 reason = hp->disconn_ind(conn);
752 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
754 register struct hci_proto *hp;
756 hp = hci_proto[HCI_PROTO_L2CAP];
757 if (hp && hp->disconn_cfm)
758 hp->disconn_cfm(conn, reason);
760 hp = hci_proto[HCI_PROTO_SCO];
761 if (hp && hp->disconn_cfm)
762 hp->disconn_cfm(conn, reason);
764 if (conn->disconn_cfm_cb)
765 conn->disconn_cfm_cb(conn, reason);
768 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
770 register struct hci_proto *hp;
773 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
776 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
778 hp = hci_proto[HCI_PROTO_L2CAP];
779 if (hp && hp->security_cfm)
780 hp->security_cfm(conn, status, encrypt);
782 hp = hci_proto[HCI_PROTO_SCO];
783 if (hp && hp->security_cfm)
784 hp->security_cfm(conn, status, encrypt);
786 if (conn->security_cfm_cb)
787 conn->security_cfm_cb(conn, status);
790 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
793 register struct hci_proto *hp;
795 hp = hci_proto[HCI_PROTO_L2CAP];
796 if (hp && hp->security_cfm)
797 hp->security_cfm(conn, status, encrypt);
799 hp = hci_proto[HCI_PROTO_SCO];
800 if (hp && hp->security_cfm)
801 hp->security_cfm(conn, status, encrypt);
803 if (conn->security_cfm_cb)
804 conn->security_cfm_cb(conn, status);
807 int hci_register_proto(struct hci_proto *hproto);
808 int hci_unregister_proto(struct hci_proto *hproto);
810 /* ----- HCI callbacks ----- */
812 struct list_head list;
816 void (*security_cfm) (struct hci_conn *conn, __u8 status,
818 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
819 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
822 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
827 hci_proto_auth_cfm(conn, status);
829 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
832 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
834 read_lock_bh(&hci_cb_list_lock);
835 list_for_each(p, &hci_cb_list) {
836 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
837 if (cb->security_cfm)
838 cb->security_cfm(conn, status, encrypt);
840 read_unlock_bh(&hci_cb_list_lock);
843 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
848 if (conn->sec_level == BT_SECURITY_SDP)
849 conn->sec_level = BT_SECURITY_LOW;
851 if (conn->pending_sec_level > conn->sec_level)
852 conn->sec_level = conn->pending_sec_level;
854 hci_proto_encrypt_cfm(conn, status, encrypt);
856 read_lock_bh(&hci_cb_list_lock);
857 list_for_each(p, &hci_cb_list) {
858 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
859 if (cb->security_cfm)
860 cb->security_cfm(conn, status, encrypt);
862 read_unlock_bh(&hci_cb_list_lock);
865 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
869 read_lock_bh(&hci_cb_list_lock);
870 list_for_each(p, &hci_cb_list) {
871 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
872 if (cb->key_change_cfm)
873 cb->key_change_cfm(conn, status);
875 read_unlock_bh(&hci_cb_list_lock);
878 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
883 read_lock_bh(&hci_cb_list_lock);
884 list_for_each(p, &hci_cb_list) {
885 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
886 if (cb->role_switch_cfm)
887 cb->role_switch_cfm(conn, status, role);
889 read_unlock_bh(&hci_cb_list_lock);
892 int hci_register_cb(struct hci_cb *hcb);
893 int hci_unregister_cb(struct hci_cb *hcb);
895 int hci_register_notifier(struct notifier_block *nb);
896 int hci_unregister_notifier(struct notifier_block *nb);
898 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
899 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
900 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
902 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
904 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
906 /* ----- HCI Sockets ----- */
907 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
908 struct sock *skip_sk);
910 /* Management interface */
911 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
912 int mgmt_index_added(struct hci_dev *hdev);
913 int mgmt_index_removed(struct hci_dev *hdev);
914 int mgmt_powered(struct hci_dev *hdev, u8 powered);
915 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
916 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
917 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
918 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
920 int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
921 int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
922 int mgmt_disconnect_failed(struct hci_dev *hdev);
923 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
925 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
926 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
928 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
930 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
931 __le32 value, u8 confirm_hint);
932 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
934 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
935 bdaddr_t *bdaddr, u8 status);
936 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
937 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
938 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
939 u8 *randomizer, u8 status);
940 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
941 u8 *dev_class, s8 rssi, u8 *eir);
942 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
943 int mgmt_inquiry_failed(struct hci_dev *hdev, u8 status);
944 int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
945 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
946 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
948 /* HCI info for socket */
949 #define hci_pi(sk) ((struct hci_pinfo *) sk)
953 struct hci_dev *hdev;
954 struct hci_filter filter;
956 unsigned short channel;
959 /* HCI security filter */
960 #define HCI_SFLT_MAX_OGF 5
962 struct hci_sec_filter {
965 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
968 /* ----- HCI requests ----- */
969 #define HCI_REQ_DONE 0
970 #define HCI_REQ_PEND 1
971 #define HCI_REQ_CANCELED 2
973 #define hci_req_lock(d) mutex_lock(&d->req_lock)
974 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
976 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
978 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
979 u16 latency, u16 to_multiplier);
980 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
982 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
983 void hci_le_ltk_neg_reply(struct hci_conn *conn);
985 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
986 int hci_cancel_inquiry(struct hci_dev *hdev);
988 #endif /* __HCI_CORE_H */