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 list_head list;
75 struct list_head list;
80 struct key_master_id {
85 struct link_key_data {
95 struct list_head list;
105 struct list_head list;
112 struct list_head list;
117 #define NUM_REASSEMBLY 4
119 struct list_head list;
129 __u8 dev_name[HCI_MAX_NAME_LENGTH];
130 __u8 eir[HCI_MAX_EIR_LENGTH];
152 __u16 sniff_min_interval;
153 __u16 sniff_max_interval;
158 __u32 amp_min_latency;
162 __u16 amp_assoc_size;
163 __u32 amp_max_flush_to;
164 __u32 amp_be_flush_to;
168 unsigned int auto_accept_delay;
170 unsigned long quirks;
173 unsigned int acl_cnt;
174 unsigned int sco_cnt;
177 unsigned int acl_mtu;
178 unsigned int sco_mtu;
180 unsigned int acl_pkts;
181 unsigned int sco_pkts;
182 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 delayed_work service_cache;
203 struct timer_list cmd_timer;
205 struct work_struct rx_work;
206 struct work_struct cmd_work;
207 struct work_struct tx_work;
209 struct sk_buff_head rx_q;
210 struct sk_buff_head raw_q;
211 struct sk_buff_head cmd_q;
213 struct sk_buff *sent_cmd;
214 struct sk_buff *reassembly[NUM_REASSEMBLY];
216 struct mutex req_lock;
217 wait_queue_head_t req_wait_q;
223 struct list_head mgmt_pending;
225 struct inquiry_cache inq_cache;
226 struct hci_conn_hash conn_hash;
227 struct list_head blacklist;
229 struct list_head uuids;
231 struct list_head link_keys;
233 struct list_head remote_oob_data;
235 struct list_head adv_entries;
236 struct delayed_work adv_work;
238 struct hci_dev_stats stat;
240 struct sk_buff_head driver_init;
247 struct dentry *debugfs;
249 struct device *parent;
252 struct rfkill *rfkill;
254 struct module *owner;
256 unsigned long dev_flags;
258 int (*open)(struct hci_dev *hdev);
259 int (*close)(struct hci_dev *hdev);
260 int (*flush)(struct hci_dev *hdev);
261 int (*send)(struct sk_buff *skb);
262 void (*destruct)(struct hci_dev *hdev);
263 void (*notify)(struct hci_dev *hdev, unsigned int evt);
264 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
268 struct list_head list;
290 __u8 pending_sec_level;
304 struct sk_buff_head data_q;
305 struct list_head chan_list;
307 struct delayed_work disc_work;
308 struct timer_list idle_timer;
309 struct timer_list auto_accept_timer;
314 struct hci_dev *hdev;
318 struct hci_conn *link;
320 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
321 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
322 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
326 struct list_head list;
328 struct hci_conn *conn;
329 struct sk_buff_head data_q;
333 extern struct hci_proto *hci_proto[];
334 extern struct list_head hci_dev_list;
335 extern struct list_head hci_cb_list;
336 extern rwlock_t hci_dev_list_lock;
337 extern rwlock_t hci_cb_list_lock;
339 /* ----- Inquiry cache ----- */
340 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
341 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
343 #define inquiry_cache_lock(c) spin_lock(&c->lock)
344 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
345 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
346 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
348 static inline void inquiry_cache_init(struct hci_dev *hdev)
350 struct inquiry_cache *c = &hdev->inq_cache;
351 spin_lock_init(&c->lock);
355 static inline int inquiry_cache_empty(struct hci_dev *hdev)
357 struct inquiry_cache *c = &hdev->inq_cache;
358 return c->list == NULL;
361 static inline long inquiry_cache_age(struct hci_dev *hdev)
363 struct inquiry_cache *c = &hdev->inq_cache;
364 return jiffies - c->timestamp;
367 static inline long inquiry_entry_age(struct inquiry_entry *e)
369 return jiffies - e->timestamp;
372 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
374 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
376 /* ----- HCI Connections ----- */
379 HCI_CONN_REAUTH_PEND,
380 HCI_CONN_ENCRYPT_PEND,
381 HCI_CONN_RSWITCH_PEND,
382 HCI_CONN_MODE_CHANGE_PEND,
383 HCI_CONN_SCO_SETUP_PEND,
384 HCI_CONN_LE_SMP_PEND,
387 static inline void hci_conn_hash_init(struct hci_dev *hdev)
389 struct hci_conn_hash *h = &hdev->conn_hash;
390 INIT_LIST_HEAD(&h->list);
396 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
398 struct hci_conn_hash *h = &hdev->conn_hash;
399 list_add_rcu(&c->list, &h->list);
414 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
416 struct hci_conn_hash *h = &hdev->conn_hash;
418 list_del_rcu(&c->list);
435 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
437 struct hci_conn_hash *h = &hdev->conn_hash;
451 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
454 struct hci_conn_hash *h = &hdev->conn_hash;
459 list_for_each_entry_rcu(c, &h->list, list) {
460 if (c->handle == handle) {
470 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
471 __u8 type, bdaddr_t *ba)
473 struct hci_conn_hash *h = &hdev->conn_hash;
478 list_for_each_entry_rcu(c, &h->list, list) {
479 if (c->type == type && !bacmp(&c->dst, ba)) {
490 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
491 __u8 type, __u16 state)
493 struct hci_conn_hash *h = &hdev->conn_hash;
498 list_for_each_entry_rcu(c, &h->list, list) {
499 if (c->type == type && c->state == state) {
510 void hci_acl_connect(struct hci_conn *conn);
511 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
512 void hci_add_sco(struct hci_conn *conn, __u16 handle);
513 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
514 void hci_sco_setup(struct hci_conn *conn, __u8 status);
516 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
517 int hci_conn_del(struct hci_conn *conn);
518 void hci_conn_hash_flush(struct hci_dev *hdev);
519 void hci_conn_check_pending(struct hci_dev *hdev);
521 struct hci_chan *hci_chan_create(struct hci_conn *conn);
522 int hci_chan_del(struct hci_chan *chan);
523 void hci_chan_list_flush(struct hci_conn *conn);
525 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
526 __u8 sec_level, __u8 auth_type);
527 int hci_conn_check_link_mode(struct hci_conn *conn);
528 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
529 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
530 int hci_conn_change_link_key(struct hci_conn *conn);
531 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
533 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
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 cancel_delayed_work_sync(&conn->disc_work);
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 cancel_delayed_work_sync(&conn->disc_work);
561 queue_delayed_work(conn->hdev->workqueue,
562 &conn->disc_work, 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) mutex_lock(&d->lock)
593 #define hci_dev_unlock(d) mutex_unlock(&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(struct hci_dev *hdev);
907 int mgmt_index_removed(struct hci_dev *hdev);
908 int mgmt_powered(struct hci_dev *hdev, u8 powered);
909 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
910 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
911 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
912 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
914 int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
916 int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
918 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
919 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
920 u8 addr_type, u8 status);
921 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
922 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
924 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
926 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
927 __le32 value, u8 confirm_hint);
928 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
930 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
931 bdaddr_t *bdaddr, u8 status);
932 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
933 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
935 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
936 bdaddr_t *bdaddr, u8 status);
937 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
938 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
939 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
940 u8 *randomizer, u8 status);
941 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
942 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
943 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
944 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
945 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
946 int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
947 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
948 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
950 /* HCI info for socket */
951 #define hci_pi(sk) ((struct hci_pinfo *) sk)
953 /* HCI socket flags */
954 #define HCI_PI_MGMT_INIT 0
958 struct hci_dev *hdev;
959 struct hci_filter filter;
961 unsigned short channel;
965 /* HCI security filter */
966 #define HCI_SFLT_MAX_OGF 5
968 struct hci_sec_filter {
971 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
974 /* ----- HCI requests ----- */
975 #define HCI_REQ_DONE 0
976 #define HCI_REQ_PEND 1
977 #define HCI_REQ_CANCELED 2
979 #define hci_req_lock(d) mutex_lock(&d->req_lock)
980 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
982 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
984 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
985 u16 latency, u16 to_multiplier);
986 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
988 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
989 void hci_le_ltk_neg_reply(struct hci_conn *conn);
991 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
992 int hci_cancel_inquiry(struct hci_dev *hdev);
994 #endif /* __HCI_CORE_H */