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;
184 unsigned long acl_last_tx;
185 unsigned long sco_last_tx;
186 unsigned long le_last_tx;
188 struct workqueue_struct *workqueue;
190 struct work_struct power_on;
191 struct delayed_work power_off;
193 __u16 discov_timeout;
194 struct delayed_work discov_off;
196 struct timer_list cmd_timer;
198 struct work_struct rx_work;
199 struct work_struct cmd_work;
200 struct work_struct tx_work;
202 struct sk_buff_head rx_q;
203 struct sk_buff_head raw_q;
204 struct sk_buff_head cmd_q;
206 struct sk_buff *sent_cmd;
207 struct sk_buff *reassembly[NUM_REASSEMBLY];
209 struct mutex req_lock;
210 wait_queue_head_t req_wait_q;
216 struct list_head mgmt_pending;
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 delayed_work adv_work;
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 unsigned long dev_flags;
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 list_head chan_list;
300 struct delayed_work disc_work;
301 struct timer_list idle_timer;
302 struct timer_list auto_accept_timer;
307 struct hci_dev *hdev;
311 struct hci_conn *link;
313 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
314 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
315 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
319 struct list_head list;
321 struct hci_conn *conn;
322 struct sk_buff_head data_q;
326 extern struct hci_proto *hci_proto[];
327 extern struct list_head hci_dev_list;
328 extern struct list_head hci_cb_list;
329 extern rwlock_t hci_dev_list_lock;
330 extern rwlock_t hci_cb_list_lock;
332 /* ----- Inquiry cache ----- */
333 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
334 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
336 #define inquiry_cache_lock(c) spin_lock(&c->lock)
337 #define inquiry_cache_unlock(c) spin_unlock(&c->lock)
338 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
339 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
341 static inline void inquiry_cache_init(struct hci_dev *hdev)
343 struct inquiry_cache *c = &hdev->inq_cache;
344 spin_lock_init(&c->lock);
348 static inline int inquiry_cache_empty(struct hci_dev *hdev)
350 struct inquiry_cache *c = &hdev->inq_cache;
351 return c->list == NULL;
354 static inline long inquiry_cache_age(struct hci_dev *hdev)
356 struct inquiry_cache *c = &hdev->inq_cache;
357 return jiffies - c->timestamp;
360 static inline long inquiry_entry_age(struct inquiry_entry *e)
362 return jiffies - e->timestamp;
365 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
367 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
369 /* ----- HCI Connections ----- */
372 HCI_CONN_REAUTH_PEND,
373 HCI_CONN_ENCRYPT_PEND,
374 HCI_CONN_RSWITCH_PEND,
375 HCI_CONN_MODE_CHANGE_PEND,
376 HCI_CONN_SCO_SETUP_PEND,
377 HCI_CONN_LE_SMP_PEND,
380 static inline void hci_conn_hash_init(struct hci_dev *hdev)
382 struct hci_conn_hash *h = &hdev->conn_hash;
383 INIT_LIST_HEAD(&h->list);
389 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
391 struct hci_conn_hash *h = &hdev->conn_hash;
392 list_add_rcu(&c->list, &h->list);
407 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
409 struct hci_conn_hash *h = &hdev->conn_hash;
411 list_del_rcu(&c->list);
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;
452 list_for_each_entry_rcu(c, &h->list, list) {
453 if (c->handle == handle) {
463 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
464 __u8 type, bdaddr_t *ba)
466 struct hci_conn_hash *h = &hdev->conn_hash;
471 list_for_each_entry_rcu(c, &h->list, list) {
472 if (c->type == type && !bacmp(&c->dst, ba)) {
483 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
484 __u8 type, __u16 state)
486 struct hci_conn_hash *h = &hdev->conn_hash;
491 list_for_each_entry_rcu(c, &h->list, list) {
492 if (c->type == type && c->state == state) {
503 void hci_acl_connect(struct hci_conn *conn);
504 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
505 void hci_add_sco(struct hci_conn *conn, __u16 handle);
506 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
507 void hci_sco_setup(struct hci_conn *conn, __u8 status);
509 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
510 int hci_conn_del(struct hci_conn *conn);
511 void hci_conn_hash_flush(struct hci_dev *hdev);
512 void hci_conn_check_pending(struct hci_dev *hdev);
514 struct hci_chan *hci_chan_create(struct hci_conn *conn);
515 int hci_chan_del(struct hci_chan *chan);
516 void hci_chan_list_flush(struct hci_conn *conn);
518 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
519 __u8 sec_level, __u8 auth_type);
520 int hci_conn_check_link_mode(struct hci_conn *conn);
521 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
522 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
523 int hci_conn_change_link_key(struct hci_conn *conn);
524 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
526 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
528 void hci_conn_hold_device(struct hci_conn *conn);
529 void hci_conn_put_device(struct hci_conn *conn);
531 static inline void hci_conn_hold(struct hci_conn *conn)
533 atomic_inc(&conn->refcnt);
534 cancel_delayed_work_sync(&conn->disc_work);
537 static inline void hci_conn_put(struct hci_conn *conn)
539 if (atomic_dec_and_test(&conn->refcnt)) {
541 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
542 del_timer(&conn->idle_timer);
543 if (conn->state == BT_CONNECTED) {
544 timeo = msecs_to_jiffies(conn->disc_timeout);
548 timeo = msecs_to_jiffies(10);
551 timeo = msecs_to_jiffies(10);
553 cancel_delayed_work_sync(&conn->disc_work);
554 queue_delayed_work(conn->hdev->workqueue,
555 &conn->disc_work, jiffies + timeo);
559 /* ----- HCI Devices ----- */
560 static inline void __hci_dev_put(struct hci_dev *d)
562 if (atomic_dec_and_test(&d->refcnt))
566 static inline void hci_dev_put(struct hci_dev *d)
569 module_put(d->owner);
572 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
574 atomic_inc(&d->refcnt);
578 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
580 if (try_module_get(d->owner))
581 return __hci_dev_hold(d);
585 #define hci_dev_lock(d) mutex_lock(&d->lock)
586 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
588 struct hci_dev *hci_dev_get(int index);
589 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
591 struct hci_dev *hci_alloc_dev(void);
592 void hci_free_dev(struct hci_dev *hdev);
593 int hci_register_dev(struct hci_dev *hdev);
594 void hci_unregister_dev(struct hci_dev *hdev);
595 int hci_suspend_dev(struct hci_dev *hdev);
596 int hci_resume_dev(struct hci_dev *hdev);
597 int hci_dev_open(__u16 dev);
598 int hci_dev_close(__u16 dev);
599 int hci_dev_reset(__u16 dev);
600 int hci_dev_reset_stat(__u16 dev);
601 int hci_dev_cmd(unsigned int cmd, void __user *arg);
602 int hci_get_dev_list(void __user *arg);
603 int hci_get_dev_info(void __user *arg);
604 int hci_get_conn_list(void __user *arg);
605 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
606 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
607 int hci_inquiry(void __user *arg);
609 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
610 int hci_blacklist_clear(struct hci_dev *hdev);
611 int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
612 int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
614 int hci_uuids_clear(struct hci_dev *hdev);
616 int hci_link_keys_clear(struct hci_dev *hdev);
617 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
618 int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
619 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
620 struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
621 struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
622 bdaddr_t *bdaddr, u8 type);
623 int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
624 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
625 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
627 int hci_remote_oob_data_clear(struct hci_dev *hdev);
628 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
630 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
632 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
634 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
635 int hci_adv_entries_clear(struct hci_dev *hdev);
636 struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
637 int hci_add_adv_entry(struct hci_dev *hdev,
638 struct hci_ev_le_advertising_info *ev);
640 void hci_del_off_timer(struct hci_dev *hdev);
642 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
644 int hci_recv_frame(struct sk_buff *skb);
645 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
646 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
648 void hci_init_sysfs(struct hci_dev *hdev);
649 int hci_add_sysfs(struct hci_dev *hdev);
650 void hci_del_sysfs(struct hci_dev *hdev);
651 void hci_conn_init_sysfs(struct hci_conn *conn);
652 void hci_conn_add_sysfs(struct hci_conn *conn);
653 void hci_conn_del_sysfs(struct hci_conn *conn);
655 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
657 /* ----- LMP capabilities ----- */
658 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
659 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
660 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
661 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
662 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
663 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
664 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
665 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
667 /* ----- Extended LMP capabilities ----- */
668 #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
670 /* ----- HCI protocols ----- */
678 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
680 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
681 int (*disconn_ind) (struct hci_conn *conn);
682 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
683 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
685 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
686 int (*security_cfm) (struct hci_conn *conn, __u8 status,
690 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
693 register struct hci_proto *hp;
696 hp = hci_proto[HCI_PROTO_L2CAP];
697 if (hp && hp->connect_ind)
698 mask |= hp->connect_ind(hdev, bdaddr, type);
700 hp = hci_proto[HCI_PROTO_SCO];
701 if (hp && hp->connect_ind)
702 mask |= hp->connect_ind(hdev, bdaddr, type);
707 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
709 register struct hci_proto *hp;
711 hp = hci_proto[HCI_PROTO_L2CAP];
712 if (hp && hp->connect_cfm)
713 hp->connect_cfm(conn, status);
715 hp = hci_proto[HCI_PROTO_SCO];
716 if (hp && hp->connect_cfm)
717 hp->connect_cfm(conn, status);
719 if (conn->connect_cfm_cb)
720 conn->connect_cfm_cb(conn, status);
723 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
725 register struct hci_proto *hp;
726 int reason = HCI_ERROR_REMOTE_USER_TERM;
728 hp = hci_proto[HCI_PROTO_L2CAP];
729 if (hp && hp->disconn_ind)
730 reason = hp->disconn_ind(conn);
732 hp = hci_proto[HCI_PROTO_SCO];
733 if (hp && hp->disconn_ind)
734 reason = hp->disconn_ind(conn);
739 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
741 register struct hci_proto *hp;
743 hp = hci_proto[HCI_PROTO_L2CAP];
744 if (hp && hp->disconn_cfm)
745 hp->disconn_cfm(conn, reason);
747 hp = hci_proto[HCI_PROTO_SCO];
748 if (hp && hp->disconn_cfm)
749 hp->disconn_cfm(conn, reason);
751 if (conn->disconn_cfm_cb)
752 conn->disconn_cfm_cb(conn, reason);
755 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
757 register struct hci_proto *hp;
760 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
763 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
765 hp = hci_proto[HCI_PROTO_L2CAP];
766 if (hp && hp->security_cfm)
767 hp->security_cfm(conn, status, encrypt);
769 hp = hci_proto[HCI_PROTO_SCO];
770 if (hp && hp->security_cfm)
771 hp->security_cfm(conn, status, encrypt);
773 if (conn->security_cfm_cb)
774 conn->security_cfm_cb(conn, status);
777 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
780 register struct hci_proto *hp;
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 int hci_register_proto(struct hci_proto *hproto);
795 int hci_unregister_proto(struct hci_proto *hproto);
797 /* ----- HCI callbacks ----- */
799 struct list_head list;
803 void (*security_cfm) (struct hci_conn *conn, __u8 status,
805 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
806 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
809 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
814 hci_proto_auth_cfm(conn, status);
816 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
819 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
821 read_lock_bh(&hci_cb_list_lock);
822 list_for_each(p, &hci_cb_list) {
823 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
824 if (cb->security_cfm)
825 cb->security_cfm(conn, status, encrypt);
827 read_unlock_bh(&hci_cb_list_lock);
830 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
835 if (conn->sec_level == BT_SECURITY_SDP)
836 conn->sec_level = BT_SECURITY_LOW;
838 if (conn->pending_sec_level > conn->sec_level)
839 conn->sec_level = conn->pending_sec_level;
841 hci_proto_encrypt_cfm(conn, status, encrypt);
843 read_lock_bh(&hci_cb_list_lock);
844 list_for_each(p, &hci_cb_list) {
845 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
846 if (cb->security_cfm)
847 cb->security_cfm(conn, status, encrypt);
849 read_unlock_bh(&hci_cb_list_lock);
852 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
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->key_change_cfm)
860 cb->key_change_cfm(conn, status);
862 read_unlock_bh(&hci_cb_list_lock);
865 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
870 read_lock_bh(&hci_cb_list_lock);
871 list_for_each(p, &hci_cb_list) {
872 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
873 if (cb->role_switch_cfm)
874 cb->role_switch_cfm(conn, status, role);
876 read_unlock_bh(&hci_cb_list_lock);
879 int hci_register_cb(struct hci_cb *hcb);
880 int hci_unregister_cb(struct hci_cb *hcb);
882 int hci_register_notifier(struct notifier_block *nb);
883 int hci_unregister_notifier(struct notifier_block *nb);
885 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
886 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
887 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
889 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
891 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
893 /* ----- HCI Sockets ----- */
894 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
895 struct sock *skip_sk);
897 /* Management interface */
898 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
899 int mgmt_index_added(struct hci_dev *hdev);
900 int mgmt_index_removed(struct hci_dev *hdev);
901 int mgmt_powered(struct hci_dev *hdev, u8 powered);
902 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
903 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
904 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
905 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
907 int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
909 int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
911 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
912 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
913 u8 addr_type, u8 status);
914 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
915 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
917 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
919 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
920 __le32 value, u8 confirm_hint);
921 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
923 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
924 bdaddr_t *bdaddr, u8 status);
925 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
926 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
928 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
929 bdaddr_t *bdaddr, u8 status);
930 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
931 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
932 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
933 u8 *randomizer, u8 status);
934 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
935 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
936 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
937 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
938 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
939 int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
940 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
941 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
943 /* HCI info for socket */
944 #define hci_pi(sk) ((struct hci_pinfo *) sk)
946 /* HCI socket flags */
947 #define HCI_PI_MGMT_INIT 0
951 struct hci_dev *hdev;
952 struct hci_filter filter;
954 unsigned short channel;
958 /* HCI security filter */
959 #define HCI_SFLT_MAX_OGF 5
961 struct hci_sec_filter {
964 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
967 /* ----- HCI requests ----- */
968 #define HCI_REQ_DONE 0
969 #define HCI_REQ_PEND 1
970 #define HCI_REQ_CANCELED 2
972 #define hci_req_lock(d) mutex_lock(&d->req_lock)
973 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
975 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
977 void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
978 u16 latency, u16 to_multiplier);
979 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
981 void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
982 void hci_le_ltk_neg_reply(struct hci_conn *conn);
984 int hci_do_inquiry(struct hci_dev *hdev, u8 length);
985 int hci_cancel_inquiry(struct hci_dev *hdev);
987 #endif /* __HCI_CORE_H */