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 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 timer_list adv_timer;
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 int (*open)(struct hci_dev *hdev);
252 int (*close)(struct hci_dev *hdev);
253 int (*flush)(struct hci_dev *hdev);
254 int (*send)(struct sk_buff *skb);
255 void (*destruct)(struct hci_dev *hdev);
256 void (*notify)(struct hci_dev *hdev, unsigned int evt);
257 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
261 struct list_head list;
283 __u8 pending_sec_level;
297 struct sk_buff_head data_q;
298 struct hci_chan_hash chan_hash;
300 struct timer_list disc_timer;
301 struct timer_list idle_timer;
302 struct timer_list auto_accept_timer;
304 struct work_struct work_add;
305 struct work_struct work_del;
310 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 hci_proto *hci_proto[];
330 extern struct list_head hci_dev_list;
331 extern struct list_head hci_cb_list;
332 extern rwlock_t hci_dev_list_lock;
333 extern rwlock_t hci_cb_list_lock;
335 /* ----- Inquiry cache ----- */
336 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
337 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
339 #define inquiry_cache_lock(c) spin_lock(&c->lock)
340 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
341 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
342 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
344 static inline void inquiry_cache_init(struct hci_dev *hdev)
346 struct inquiry_cache *c = &hdev->inq_cache;
347 spin_lock_init(&c->lock);
351 static inline int inquiry_cache_empty(struct hci_dev *hdev)
353 struct inquiry_cache *c = &hdev->inq_cache;
354 return c->list == NULL;
357 static inline long inquiry_cache_age(struct hci_dev *hdev)
359 struct inquiry_cache *c = &hdev->inq_cache;
360 return jiffies - c->timestamp;
363 static inline long inquiry_entry_age(struct inquiry_entry *e)
365 return jiffies - e->timestamp;
368 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
370 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
372 /* ----- HCI Connections ----- */
375 HCI_CONN_REAUTH_PEND,
376 HCI_CONN_ENCRYPT_PEND,
377 HCI_CONN_RSWITCH_PEND,
378 HCI_CONN_MODE_CHANGE_PEND,
379 HCI_CONN_SCO_SETUP_PEND,
380 HCI_CONN_LE_SMP_PEND,
383 static inline void hci_conn_hash_init(struct hci_dev *hdev)
385 struct hci_conn_hash *h = &hdev->conn_hash;
386 INIT_LIST_HEAD(&h->list);
387 spin_lock_init(&h->lock);
392 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
394 struct hci_conn_hash *h = &hdev->conn_hash;
395 list_add(&c->list, &h->list);
410 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
412 struct hci_conn_hash *h = &hdev->conn_hash;
428 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
430 struct hci_conn_hash *h = &hdev->conn_hash;
444 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
447 struct hci_conn_hash *h = &hdev->conn_hash;
451 list_for_each(p, &h->list) {
452 c = list_entry(p, struct hci_conn, list);
453 if (c->handle == handle)
459 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
460 __u8 type, bdaddr_t *ba)
462 struct hci_conn_hash *h = &hdev->conn_hash;
466 list_for_each(p, &h->list) {
467 c = list_entry(p, struct hci_conn, list);
468 if (c->type == type && !bacmp(&c->dst, ba))
474 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
475 __u8 type, __u16 state)
477 struct hci_conn_hash *h = &hdev->conn_hash;
481 list_for_each(p, &h->list) {
482 c = list_entry(p, struct hci_conn, list);
483 if (c->type == type && c->state == state)
489 static inline void hci_chan_hash_init(struct hci_conn *c)
491 struct hci_chan_hash *h = &c->chan_hash;
492 INIT_LIST_HEAD(&h->list);
493 spin_lock_init(&h->lock);
497 static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan)
499 struct hci_chan_hash *h = &c->chan_hash;
500 list_add(&chan->list, &h->list);
504 static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan)
506 struct hci_chan_hash *h = &c->chan_hash;
507 list_del(&chan->list);
511 void hci_acl_connect(struct hci_conn *conn);
512 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
513 void hci_add_sco(struct hci_conn *conn, __u16 handle);
514 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
515 void hci_sco_setup(struct hci_conn *conn, __u8 status);
517 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
518 int hci_conn_del(struct hci_conn *conn);
519 void hci_conn_hash_flush(struct hci_dev *hdev);
520 void hci_conn_check_pending(struct hci_dev *hdev);
522 struct hci_chan *hci_chan_create(struct hci_conn *conn);
523 int hci_chan_del(struct hci_chan *chan);
524 void hci_chan_hash_flush(struct hci_conn *conn);
526 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
527 __u8 sec_level, __u8 auth_type);
528 int hci_conn_check_link_mode(struct hci_conn *conn);
529 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
530 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
531 int hci_conn_change_link_key(struct hci_conn *conn);
532 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
534 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
535 void hci_conn_enter_sniff_mode(struct hci_conn *conn);
537 void hci_conn_hold_device(struct hci_conn *conn);
538 void hci_conn_put_device(struct hci_conn *conn);
540 static inline void hci_conn_hold(struct hci_conn *conn)
542 atomic_inc(&conn->refcnt);
543 del_timer(&conn->disc_timer);
546 static inline void hci_conn_put(struct hci_conn *conn)
548 if (atomic_dec_and_test(&conn->refcnt)) {
550 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
551 del_timer(&conn->idle_timer);
552 if (conn->state == BT_CONNECTED) {
553 timeo = msecs_to_jiffies(conn->disc_timeout);
557 timeo = msecs_to_jiffies(10);
560 timeo = msecs_to_jiffies(10);
562 mod_timer(&conn->disc_timer, jiffies + timeo);
566 /* ----- HCI Devices ----- */
567 static inline void __hci_dev_put(struct hci_dev *d)
569 if (atomic_dec_and_test(&d->refcnt))
573 static inline void hci_dev_put(struct hci_dev *d)
576 module_put(d->owner);
579 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
581 atomic_inc(&d->refcnt);
585 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
587 if (try_module_get(d->owner))
588 return __hci_dev_hold(d);
592 #define hci_dev_lock(d) spin_lock(&d->lock)
593 #define hci_dev_unlock(d) spin_unlock(&d->lock)
594 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
595 #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
597 struct hci_dev *hci_dev_get(int index);
598 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
600 struct hci_dev *hci_alloc_dev(void);
601 void hci_free_dev(struct hci_dev *hdev);
602 int hci_register_dev(struct hci_dev *hdev);
603 void hci_unregister_dev(struct hci_dev *hdev);
604 int hci_suspend_dev(struct hci_dev *hdev);
605 int hci_resume_dev(struct hci_dev *hdev);
606 int hci_dev_open(__u16 dev);
607 int hci_dev_close(__u16 dev);
608 int hci_dev_reset(__u16 dev);
609 int hci_dev_reset_stat(__u16 dev);
610 int hci_dev_cmd(unsigned int cmd, void __user *arg);
611 int hci_get_dev_list(void __user *arg);
612 int hci_get_dev_info(void __user *arg);
613 int hci_get_conn_list(void __user *arg);
614 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
615 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
616 int hci_inquiry(void __user *arg);
618 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
619 int hci_blacklist_clear(struct hci_dev *hdev);
620 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
621 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
623 int hci_uuids_clear(struct hci_dev *hdev);
625 int hci_link_keys_clear(struct hci_dev *hdev);
626 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
627 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
628 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
629 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
630 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
631 bdaddr_t *bdaddr, u8 type);
632 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
633 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
634 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
636 int hci_remote_oob_data_clear(struct hci_dev *hdev);
637 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
639 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
641 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
643 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
644 int hci_adv_entries_clear(struct hci_dev *hdev);
645 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
646 int hci_add_adv_entry(struct hci_dev *hdev,
647 struct hci_ev_le_advertising_info *ev);
649 void hci_del_off_timer(struct hci_dev *hdev);
651 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
653 int hci_recv_frame(struct sk_buff *skb);
654 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
655 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
657 void hci_init_sysfs(struct hci_dev *hdev);
658 int hci_add_sysfs(struct hci_dev *hdev);
659 void hci_del_sysfs(struct hci_dev *hdev);
660 void hci_conn_init_sysfs(struct hci_conn *conn);
661 void hci_conn_add_sysfs(struct hci_conn *conn);
662 void hci_conn_del_sysfs(struct hci_conn *conn);
664 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
666 /* ----- LMP capabilities ----- */
667 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
668 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
669 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
670 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
671 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
672 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
673 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
674 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
676 /* ----- Extended LMP capabilities ----- */
677 #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
679 /* ----- HCI protocols ----- */
687 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
689 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
690 int (*disconn_ind) (struct hci_conn *conn);
691 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
692 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
694 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
695 int (*security_cfm) (struct hci_conn *conn, __u8 status,
699 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
702 register struct hci_proto *hp;
705 hp = hci_proto[HCI_PROTO_L2CAP];
706 if (hp && hp->connect_ind)
707 mask |= hp->connect_ind(hdev, bdaddr, type);
709 hp = hci_proto[HCI_PROTO_SCO];
710 if (hp && hp->connect_ind)
711 mask |= hp->connect_ind(hdev, bdaddr, type);
716 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
718 register struct hci_proto *hp;
720 hp = hci_proto[HCI_PROTO_L2CAP];
721 if (hp && hp->connect_cfm)
722 hp->connect_cfm(conn, status);
724 hp = hci_proto[HCI_PROTO_SCO];
725 if (hp && hp->connect_cfm)
726 hp->connect_cfm(conn, status);
728 if (conn->connect_cfm_cb)
729 conn->connect_cfm_cb(conn, status);
732 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
734 register struct hci_proto *hp;
735 int reason = HCI_ERROR_REMOTE_USER_TERM;
737 hp = hci_proto[HCI_PROTO_L2CAP];
738 if (hp && hp->disconn_ind)
739 reason = hp->disconn_ind(conn);
741 hp = hci_proto[HCI_PROTO_SCO];
742 if (hp && hp->disconn_ind)
743 reason = hp->disconn_ind(conn);
748 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
750 register struct hci_proto *hp;
752 hp = hci_proto[HCI_PROTO_L2CAP];
753 if (hp && hp->disconn_cfm)
754 hp->disconn_cfm(conn, reason);
756 hp = hci_proto[HCI_PROTO_SCO];
757 if (hp && hp->disconn_cfm)
758 hp->disconn_cfm(conn, reason);
760 if (conn->disconn_cfm_cb)
761 conn->disconn_cfm_cb(conn, reason);
764 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
766 register struct hci_proto *hp;
769 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
772 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
774 hp = hci_proto[HCI_PROTO_L2CAP];
775 if (hp && hp->security_cfm)
776 hp->security_cfm(conn, status, encrypt);
778 hp = hci_proto[HCI_PROTO_SCO];
779 if (hp && hp->security_cfm)
780 hp->security_cfm(conn, status, encrypt);
782 if (conn->security_cfm_cb)
783 conn->security_cfm_cb(conn, status);
786 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
789 register struct hci_proto *hp;
791 hp = hci_proto[HCI_PROTO_L2CAP];
792 if (hp && hp->security_cfm)
793 hp->security_cfm(conn, status, encrypt);
795 hp = hci_proto[HCI_PROTO_SCO];
796 if (hp && hp->security_cfm)
797 hp->security_cfm(conn, status, encrypt);
799 if (conn->security_cfm_cb)
800 conn->security_cfm_cb(conn, status);
803 int hci_register_proto(struct hci_proto *hproto);
804 int hci_unregister_proto(struct hci_proto *hproto);
806 /* ----- HCI callbacks ----- */
808 struct list_head list;
812 void (*security_cfm) (struct hci_conn *conn, __u8 status,
814 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
815 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
818 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
823 hci_proto_auth_cfm(conn, status);
825 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
828 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
830 read_lock_bh(&hci_cb_list_lock);
831 list_for_each(p, &hci_cb_list) {
832 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
833 if (cb->security_cfm)
834 cb->security_cfm(conn, status, encrypt);
836 read_unlock_bh(&hci_cb_list_lock);
839 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
844 if (conn->sec_level == BT_SECURITY_SDP)
845 conn->sec_level = BT_SECURITY_LOW;
847 if (conn->pending_sec_level > conn->sec_level)
848 conn->sec_level = conn->pending_sec_level;
850 hci_proto_encrypt_cfm(conn, status, encrypt);
852 read_lock_bh(&hci_cb_list_lock);
853 list_for_each(p, &hci_cb_list) {
854 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
855 if (cb->security_cfm)
856 cb->security_cfm(conn, status, encrypt);
858 read_unlock_bh(&hci_cb_list_lock);
861 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
865 read_lock_bh(&hci_cb_list_lock);
866 list_for_each(p, &hci_cb_list) {
867 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
868 if (cb->key_change_cfm)
869 cb->key_change_cfm(conn, status);
871 read_unlock_bh(&hci_cb_list_lock);
874 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
879 read_lock_bh(&hci_cb_list_lock);
880 list_for_each(p, &hci_cb_list) {
881 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
882 if (cb->role_switch_cfm)
883 cb->role_switch_cfm(conn, status, role);
885 read_unlock_bh(&hci_cb_list_lock);
888 int hci_register_cb(struct hci_cb *hcb);
889 int hci_unregister_cb(struct hci_cb *hcb);
891 int hci_register_notifier(struct notifier_block *nb);
892 int hci_unregister_notifier(struct notifier_block *nb);
894 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
895 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
896 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
898 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
900 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
902 /* ----- HCI Sockets ----- */
903 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
904 struct sock *skip_sk);
906 /* Management interface */
907 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
908 int mgmt_index_added(u16 index);
909 int mgmt_index_removed(u16 index);
910 int mgmt_powered(u16 index, u8 powered);
911 int mgmt_discoverable(u16 index, u8 discoverable);
912 int mgmt_connectable(u16 index, u8 connectable);
913 int mgmt_write_scan_failed(u16 index, u8 scan, u8 status);
914 int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
915 int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
916 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
917 int mgmt_disconnect_failed(u16 index);
918 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
919 int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
920 int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
921 int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
922 int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
924 int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
925 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
927 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
928 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
929 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
931 int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
933 int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
934 int mgmt_inquiry_failed(u16 index, u8 status);
935 int mgmt_discovering(u16 index, u8 discovering);
936 int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr);
937 int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr);
939 /* HCI info for socket */
940 #define hci_pi(sk) ((struct hci_pinfo *) sk)
944 struct hci_dev *hdev;
945 struct hci_filter filter;
947 unsigned short channel;
950 /* HCI security filter */
951 #define HCI_SFLT_MAX_OGF 5
953 struct hci_sec_filter {
956 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
959 /* ----- HCI requests ----- */
960 #define HCI_REQ_DONE 0
961 #define HCI_REQ_PEND 1
962 #define HCI_REQ_CANCELED 2
964 #define hci_req_lock(d) mutex_lock(&d->req_lock)
965 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
967 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
969 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
970 u16 latency, u16 to_multiplier);
971 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
973 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
974 void hci_le_ltk_neg_reply(struct hci_conn *conn);
976 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
977 int hci_cancel_inquiry(struct hci_dev *hdev);
979 #endif /* __HCI_CORE_H */