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;
175 unsigned int auto_accept_delay;
177 unsigned long quirks;
180 unsigned int acl_cnt;
181 unsigned int sco_cnt;
184 unsigned int acl_mtu;
185 unsigned int sco_mtu;
187 unsigned int acl_pkts;
188 unsigned int sco_pkts;
189 unsigned int le_pkts;
191 unsigned long acl_last_tx;
192 unsigned long sco_last_tx;
193 unsigned long le_last_tx;
195 struct workqueue_struct *workqueue;
197 struct work_struct power_on;
198 struct delayed_work power_off;
200 __u16 discov_timeout;
201 struct delayed_work discov_off;
203 struct timer_list cmd_timer;
204 struct tasklet_struct cmd_task;
205 struct tasklet_struct rx_task;
206 struct tasklet_struct tx_task;
208 struct sk_buff_head rx_q;
209 struct sk_buff_head raw_q;
210 struct sk_buff_head cmd_q;
212 struct sk_buff *sent_cmd;
213 struct sk_buff *reassembly[NUM_REASSEMBLY];
215 struct mutex req_lock;
216 wait_queue_head_t req_wait_q;
222 struct list_head mgmt_pending;
224 struct inquiry_cache inq_cache;
225 struct hci_conn_hash conn_hash;
226 struct list_head blacklist;
228 struct list_head uuids;
230 struct list_head link_keys;
232 struct list_head remote_oob_data;
234 struct list_head adv_entries;
235 struct timer_list adv_timer;
237 struct hci_dev_stats stat;
239 struct sk_buff_head driver_init;
246 struct dentry *debugfs;
248 struct device *parent;
251 struct rfkill *rfkill;
253 struct module *owner;
255 unsigned long dev_flags;
257 int (*open)(struct hci_dev *hdev);
258 int (*close)(struct hci_dev *hdev);
259 int (*flush)(struct hci_dev *hdev);
260 int (*send)(struct sk_buff *skb);
261 void (*destruct)(struct hci_dev *hdev);
262 void (*notify)(struct hci_dev *hdev, unsigned int evt);
263 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
267 struct list_head list;
289 __u8 pending_sec_level;
303 struct sk_buff_head data_q;
304 struct hci_chan_hash chan_hash;
306 struct timer_list disc_timer;
307 struct timer_list idle_timer;
308 struct timer_list auto_accept_timer;
310 struct work_struct work_add;
311 struct work_struct work_del;
316 struct hci_dev *hdev;
320 struct hci_conn *link;
322 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
323 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
324 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
328 struct list_head list;
330 struct hci_conn *conn;
331 struct sk_buff_head data_q;
335 extern struct hci_proto *hci_proto[];
336 extern struct list_head hci_dev_list;
337 extern struct list_head hci_cb_list;
338 extern rwlock_t hci_dev_list_lock;
339 extern rwlock_t hci_cb_list_lock;
341 /* ----- Inquiry cache ----- */
342 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
343 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
345 #define inquiry_cache_lock(c) spin_lock(&c->lock)
346 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
347 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
348 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
350 static inline void inquiry_cache_init(struct hci_dev *hdev)
352 struct inquiry_cache *c = &hdev->inq_cache;
353 spin_lock_init(&c->lock);
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);
393 spin_lock_init(&h->lock);
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(&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;
434 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
436 struct hci_conn_hash *h = &hdev->conn_hash;
450 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
453 struct hci_conn_hash *h = &hdev->conn_hash;
457 list_for_each(p, &h->list) {
458 c = list_entry(p, struct hci_conn, list);
459 if (c->handle == handle)
465 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
466 __u8 type, bdaddr_t *ba)
468 struct hci_conn_hash *h = &hdev->conn_hash;
472 list_for_each(p, &h->list) {
473 c = list_entry(p, struct hci_conn, list);
474 if (c->type == type && !bacmp(&c->dst, ba))
480 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
481 __u8 type, __u16 state)
483 struct hci_conn_hash *h = &hdev->conn_hash;
487 list_for_each(p, &h->list) {
488 c = list_entry(p, struct hci_conn, list);
489 if (c->type == type && c->state == state)
495 static inline void hci_chan_hash_init(struct hci_conn *c)
497 struct hci_chan_hash *h = &c->chan_hash;
498 INIT_LIST_HEAD(&h->list);
499 spin_lock_init(&h->lock);
503 static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan)
505 struct hci_chan_hash *h = &c->chan_hash;
506 list_add(&chan->list, &h->list);
510 static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan)
512 struct hci_chan_hash *h = &c->chan_hash;
513 list_del(&chan->list);
517 void hci_acl_connect(struct hci_conn *conn);
518 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
519 void hci_add_sco(struct hci_conn *conn, __u16 handle);
520 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
521 void hci_sco_setup(struct hci_conn *conn, __u8 status);
523 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
524 int hci_conn_del(struct hci_conn *conn);
525 void hci_conn_hash_flush(struct hci_dev *hdev);
526 void hci_conn_check_pending(struct hci_dev *hdev);
528 struct hci_chan *hci_chan_create(struct hci_conn *conn);
529 int hci_chan_del(struct hci_chan *chan);
530 void hci_chan_hash_flush(struct hci_conn *conn);
532 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
533 __u8 sec_level, __u8 auth_type);
534 int hci_conn_check_link_mode(struct hci_conn *conn);
535 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
536 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
537 int hci_conn_change_link_key(struct hci_conn *conn);
538 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
540 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
541 void hci_conn_enter_sniff_mode(struct hci_conn *conn);
543 void hci_conn_hold_device(struct hci_conn *conn);
544 void hci_conn_put_device(struct hci_conn *conn);
546 static inline void hci_conn_hold(struct hci_conn *conn)
548 atomic_inc(&conn->refcnt);
549 del_timer(&conn->disc_timer);
552 static inline void hci_conn_put(struct hci_conn *conn)
554 if (atomic_dec_and_test(&conn->refcnt)) {
556 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
557 del_timer(&conn->idle_timer);
558 if (conn->state == BT_CONNECTED) {
559 timeo = msecs_to_jiffies(conn->disc_timeout);
563 timeo = msecs_to_jiffies(10);
566 timeo = msecs_to_jiffies(10);
568 mod_timer(&conn->disc_timer, jiffies + timeo);
572 /* ----- HCI Devices ----- */
573 static inline void __hci_dev_put(struct hci_dev *d)
575 if (atomic_dec_and_test(&d->refcnt))
580 * hci_dev_put and hci_dev_hold are macros to avoid dragging all the
581 * overhead of all the modular infrastructure into this header.
583 #define hci_dev_put(d) \
586 module_put(d->owner); \
589 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
591 atomic_inc(&d->refcnt);
595 #define hci_dev_hold(d) \
597 try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
600 #define hci_dev_lock(d) spin_lock(&d->lock)
601 #define hci_dev_unlock(d) spin_unlock(&d->lock)
602 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
603 #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
605 struct hci_dev *hci_dev_get(int index);
606 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
608 struct hci_dev *hci_alloc_dev(void);
609 void hci_free_dev(struct hci_dev *hdev);
610 int hci_register_dev(struct hci_dev *hdev);
611 void hci_unregister_dev(struct hci_dev *hdev);
612 int hci_suspend_dev(struct hci_dev *hdev);
613 int hci_resume_dev(struct hci_dev *hdev);
614 int hci_dev_open(__u16 dev);
615 int hci_dev_close(__u16 dev);
616 int hci_dev_reset(__u16 dev);
617 int hci_dev_reset_stat(__u16 dev);
618 int hci_dev_cmd(unsigned int cmd, void __user *arg);
619 int hci_get_dev_list(void __user *arg);
620 int hci_get_dev_info(void __user *arg);
621 int hci_get_conn_list(void __user *arg);
622 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
623 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
624 int hci_inquiry(void __user *arg);
626 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
627 int hci_blacklist_clear(struct hci_dev *hdev);
628 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
629 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
631 int hci_uuids_clear(struct hci_dev *hdev);
633 int hci_link_keys_clear(struct hci_dev *hdev);
634 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
635 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
636 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
637 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
638 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
639 bdaddr_t *bdaddr, u8 type);
640 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
641 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
642 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
644 int hci_remote_oob_data_clear(struct hci_dev *hdev);
645 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
647 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
649 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
651 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
652 int hci_adv_entries_clear(struct hci_dev *hdev);
653 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
654 int hci_add_adv_entry(struct hci_dev *hdev,
655 struct hci_ev_le_advertising_info *ev);
657 void hci_del_off_timer(struct hci_dev *hdev);
659 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
661 int hci_recv_frame(struct sk_buff *skb);
662 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
663 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
665 void hci_init_sysfs(struct hci_dev *hdev);
666 int hci_add_sysfs(struct hci_dev *hdev);
667 void hci_del_sysfs(struct hci_dev *hdev);
668 void hci_conn_init_sysfs(struct hci_conn *conn);
669 void hci_conn_add_sysfs(struct hci_conn *conn);
670 void hci_conn_del_sysfs(struct hci_conn *conn);
672 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
674 /* ----- LMP capabilities ----- */
675 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
676 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
677 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
678 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
679 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
680 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
681 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
682 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
684 /* ----- Extended LMP capabilities ----- */
685 #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
687 /* ----- HCI protocols ----- */
695 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
697 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
698 int (*disconn_ind) (struct hci_conn *conn);
699 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
700 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
702 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
703 int (*security_cfm) (struct hci_conn *conn, __u8 status,
707 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
710 register struct hci_proto *hp;
713 hp = hci_proto[HCI_PROTO_L2CAP];
714 if (hp && hp->connect_ind)
715 mask |= hp->connect_ind(hdev, bdaddr, type);
717 hp = hci_proto[HCI_PROTO_SCO];
718 if (hp && hp->connect_ind)
719 mask |= hp->connect_ind(hdev, bdaddr, type);
724 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
726 register struct hci_proto *hp;
728 hp = hci_proto[HCI_PROTO_L2CAP];
729 if (hp && hp->connect_cfm)
730 hp->connect_cfm(conn, status);
732 hp = hci_proto[HCI_PROTO_SCO];
733 if (hp && hp->connect_cfm)
734 hp->connect_cfm(conn, status);
736 if (conn->connect_cfm_cb)
737 conn->connect_cfm_cb(conn, status);
740 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
742 register struct hci_proto *hp;
743 int reason = HCI_ERROR_REMOTE_USER_TERM;
745 hp = hci_proto[HCI_PROTO_L2CAP];
746 if (hp && hp->disconn_ind)
747 reason = hp->disconn_ind(conn);
749 hp = hci_proto[HCI_PROTO_SCO];
750 if (hp && hp->disconn_ind)
751 reason = hp->disconn_ind(conn);
756 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
758 register struct hci_proto *hp;
760 hp = hci_proto[HCI_PROTO_L2CAP];
761 if (hp && hp->disconn_cfm)
762 hp->disconn_cfm(conn, reason);
764 hp = hci_proto[HCI_PROTO_SCO];
765 if (hp && hp->disconn_cfm)
766 hp->disconn_cfm(conn, reason);
768 if (conn->disconn_cfm_cb)
769 conn->disconn_cfm_cb(conn, reason);
772 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
774 register struct hci_proto *hp;
777 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
780 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
782 hp = hci_proto[HCI_PROTO_L2CAP];
783 if (hp && hp->security_cfm)
784 hp->security_cfm(conn, status, encrypt);
786 hp = hci_proto[HCI_PROTO_SCO];
787 if (hp && hp->security_cfm)
788 hp->security_cfm(conn, status, encrypt);
790 if (conn->security_cfm_cb)
791 conn->security_cfm_cb(conn, status);
794 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
797 register struct hci_proto *hp;
799 hp = hci_proto[HCI_PROTO_L2CAP];
800 if (hp && hp->security_cfm)
801 hp->security_cfm(conn, status, encrypt);
803 hp = hci_proto[HCI_PROTO_SCO];
804 if (hp && hp->security_cfm)
805 hp->security_cfm(conn, status, encrypt);
807 if (conn->security_cfm_cb)
808 conn->security_cfm_cb(conn, status);
811 int hci_register_proto(struct hci_proto *hproto);
812 int hci_unregister_proto(struct hci_proto *hproto);
814 /* ----- HCI callbacks ----- */
816 struct list_head list;
820 void (*security_cfm) (struct hci_conn *conn, __u8 status,
822 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
823 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
826 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
831 hci_proto_auth_cfm(conn, status);
833 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
836 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
838 read_lock_bh(&hci_cb_list_lock);
839 list_for_each(p, &hci_cb_list) {
840 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
841 if (cb->security_cfm)
842 cb->security_cfm(conn, status, encrypt);
844 read_unlock_bh(&hci_cb_list_lock);
847 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
852 if (conn->sec_level == BT_SECURITY_SDP)
853 conn->sec_level = BT_SECURITY_LOW;
855 if (conn->pending_sec_level > conn->sec_level)
856 conn->sec_level = conn->pending_sec_level;
858 hci_proto_encrypt_cfm(conn, status, encrypt);
860 read_lock_bh(&hci_cb_list_lock);
861 list_for_each(p, &hci_cb_list) {
862 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
863 if (cb->security_cfm)
864 cb->security_cfm(conn, status, encrypt);
866 read_unlock_bh(&hci_cb_list_lock);
869 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
873 read_lock_bh(&hci_cb_list_lock);
874 list_for_each(p, &hci_cb_list) {
875 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
876 if (cb->key_change_cfm)
877 cb->key_change_cfm(conn, status);
879 read_unlock_bh(&hci_cb_list_lock);
882 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
887 read_lock_bh(&hci_cb_list_lock);
888 list_for_each(p, &hci_cb_list) {
889 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
890 if (cb->role_switch_cfm)
891 cb->role_switch_cfm(conn, status, role);
893 read_unlock_bh(&hci_cb_list_lock);
896 int hci_register_cb(struct hci_cb *hcb);
897 int hci_unregister_cb(struct hci_cb *hcb);
899 int hci_register_notifier(struct notifier_block *nb);
900 int hci_unregister_notifier(struct notifier_block *nb);
902 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
903 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
904 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
906 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
908 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
910 /* ----- HCI Sockets ----- */
911 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
912 struct sock *skip_sk);
914 /* Management interface */
915 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
916 int mgmt_index_added(struct hci_dev *hdev);
917 int mgmt_index_removed(struct hci_dev *hdev);
918 int mgmt_powered(struct hci_dev *hdev, u8 powered);
919 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
920 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
921 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
922 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
924 int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
926 int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
928 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
929 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
930 u8 addr_type, u8 status);
931 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
932 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
934 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
936 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
937 __le32 value, u8 confirm_hint);
938 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
940 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
941 bdaddr_t *bdaddr, u8 status);
942 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
943 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
945 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
946 bdaddr_t *bdaddr, u8 status);
947 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
948 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
949 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
950 u8 *randomizer, u8 status);
951 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
952 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
953 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
954 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
955 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
956 int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
957 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
958 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
960 /* HCI info for socket */
961 #define hci_pi(sk) ((struct hci_pinfo *) sk)
965 struct hci_dev *hdev;
966 struct hci_filter filter;
968 unsigned short channel;
971 /* HCI security filter */
972 #define HCI_SFLT_MAX_OGF 5
974 struct hci_sec_filter {
977 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
980 /* ----- HCI requests ----- */
981 #define HCI_REQ_DONE 0
982 #define HCI_REQ_PEND 1
983 #define HCI_REQ_CANCELED 2
985 #define hci_req_lock(d) mutex_lock(&d->req_lock)
986 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
988 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
990 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
991 u16 latency, u16 to_multiplier);
992 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
994 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
995 void hci_le_ltk_neg_reply(struct hci_conn *conn);
997 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
998 int hci_cancel_inquiry(struct hci_dev *hdev);
1000 #endif /* __HCI_CORE_H */