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>
32 #define HCI_PRIO_MAX 7
34 /* HCI Core structures */
38 __u8 pscan_period_mode
;
46 struct inquiry_entry
{
47 struct list_head all
; /* inq_cache.all */
48 struct list_head list
; /* unknown or resolve */
56 struct inquiry_data data
;
59 struct inquiry_cache
{
60 struct list_head all
; /* All devices found during inquiry */
61 struct list_head unknown
; /* Name state not known */
62 struct list_head resolve
; /* Name needs to be resolved */
66 struct hci_conn_hash
{
67 struct list_head list
;
74 struct list_head list
;
79 struct list_head list
;
84 struct key_master_id
{
89 struct link_key_data
{
99 struct list_head list
;
109 struct list_head list
;
116 struct list_head list
;
121 #define NUM_REASSEMBLY 4
123 struct list_head list
;
133 __u8 dev_name
[HCI_MAX_NAME_LENGTH
];
134 __u8 eir
[HCI_MAX_EIR_LENGTH
];
139 __u8 host_features
[8];
156 __u16 sniff_min_interval
;
157 __u16 sniff_max_interval
;
162 __u32 amp_min_latency
;
166 __u16 amp_assoc_size
;
167 __u32 amp_max_flush_to
;
168 __u32 amp_be_flush_to
;
172 unsigned int auto_accept_delay
;
174 unsigned long quirks
;
177 unsigned int acl_cnt
;
178 unsigned int sco_cnt
;
181 unsigned int acl_mtu
;
182 unsigned int sco_mtu
;
184 unsigned int acl_pkts
;
185 unsigned int sco_pkts
;
186 unsigned int le_pkts
;
193 unsigned long acl_last_tx
;
194 unsigned long sco_last_tx
;
195 unsigned long le_last_tx
;
197 struct workqueue_struct
*workqueue
;
199 struct work_struct power_on
;
200 struct delayed_work power_off
;
202 __u16 discov_timeout
;
203 struct delayed_work discov_off
;
205 struct delayed_work service_cache
;
207 struct timer_list cmd_timer
;
209 struct work_struct rx_work
;
210 struct work_struct cmd_work
;
211 struct work_struct tx_work
;
213 struct sk_buff_head rx_q
;
214 struct sk_buff_head raw_q
;
215 struct sk_buff_head cmd_q
;
217 struct sk_buff
*sent_cmd
;
218 struct sk_buff
*reassembly
[NUM_REASSEMBLY
];
220 struct mutex req_lock
;
221 wait_queue_head_t req_wait_q
;
227 struct list_head mgmt_pending
;
229 struct inquiry_cache inq_cache
;
230 struct hci_conn_hash conn_hash
;
231 struct list_head blacklist
;
233 struct list_head uuids
;
235 struct list_head link_keys
;
237 struct list_head remote_oob_data
;
239 struct list_head adv_entries
;
240 struct delayed_work adv_work
;
242 struct hci_dev_stats stat
;
244 struct sk_buff_head driver_init
;
251 struct dentry
*debugfs
;
253 struct device
*parent
;
256 struct rfkill
*rfkill
;
258 struct module
*owner
;
260 unsigned long dev_flags
;
262 int (*open
)(struct hci_dev
*hdev
);
263 int (*close
)(struct hci_dev
*hdev
);
264 int (*flush
)(struct hci_dev
*hdev
);
265 int (*send
)(struct sk_buff
*skb
);
266 void (*destruct
)(struct hci_dev
*hdev
);
267 void (*notify
)(struct hci_dev
*hdev
, unsigned int evt
);
268 int (*ioctl
)(struct hci_dev
*hdev
, unsigned int cmd
, unsigned long arg
);
272 struct list_head list
;
294 __u8 pending_sec_level
;
308 struct sk_buff_head data_q
;
309 struct list_head chan_list
;
311 struct delayed_work disc_work
;
312 struct timer_list idle_timer
;
313 struct timer_list auto_accept_timer
;
318 struct hci_dev
*hdev
;
323 struct hci_conn
*link
;
325 void (*connect_cfm_cb
) (struct hci_conn
*conn
, u8 status
);
326 void (*security_cfm_cb
) (struct hci_conn
*conn
, u8 status
);
327 void (*disconn_cfm_cb
) (struct hci_conn
*conn
, u8 reason
);
331 struct list_head list
;
333 struct hci_conn
*conn
;
334 struct sk_buff_head data_q
;
338 extern struct list_head hci_dev_list
;
339 extern struct list_head hci_cb_list
;
340 extern rwlock_t hci_dev_list_lock
;
341 extern rwlock_t hci_cb_list_lock
;
343 /* ----- HCI interface to upper protocols ----- */
344 extern int l2cap_connect_ind(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
345 extern int l2cap_connect_cfm(struct hci_conn
*hcon
, u8 status
);
346 extern int l2cap_disconn_ind(struct hci_conn
*hcon
);
347 extern int l2cap_disconn_cfm(struct hci_conn
*hcon
, u8 reason
);
348 extern int l2cap_security_cfm(struct hci_conn
*hcon
, u8 status
, u8 encrypt
);
349 extern int l2cap_recv_acldata(struct hci_conn
*hcon
, struct sk_buff
*skb
, u16 flags
);
351 extern int sco_connect_ind(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
352 extern int sco_connect_cfm(struct hci_conn
*hcon
, __u8 status
);
353 extern int sco_disconn_cfm(struct hci_conn
*hcon
, __u8 reason
);
354 extern int sco_recv_scodata(struct hci_conn
*hcon
, struct sk_buff
*skb
);
356 /* ----- Inquiry cache ----- */
357 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
358 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
360 static inline void inquiry_cache_init(struct hci_dev
*hdev
)
362 INIT_LIST_HEAD(&hdev
->inq_cache
.all
);
363 INIT_LIST_HEAD(&hdev
->inq_cache
.unknown
);
364 INIT_LIST_HEAD(&hdev
->inq_cache
.resolve
);
367 static inline int inquiry_cache_empty(struct hci_dev
*hdev
)
369 return list_empty(&hdev
->inq_cache
.all
);
372 static inline long inquiry_cache_age(struct hci_dev
*hdev
)
374 struct inquiry_cache
*c
= &hdev
->inq_cache
;
375 return jiffies
- c
->timestamp
;
378 static inline long inquiry_entry_age(struct inquiry_entry
*e
)
380 return jiffies
- e
->timestamp
;
383 struct inquiry_entry
*hci_inquiry_cache_lookup(struct hci_dev
*hdev
,
385 struct inquiry_entry
*hci_inquiry_cache_lookup_unknown(struct hci_dev
*hdev
,
387 bool hci_inquiry_cache_update(struct hci_dev
*hdev
, struct inquiry_data
*data
,
390 /* ----- HCI Connections ----- */
393 HCI_CONN_REAUTH_PEND
,
394 HCI_CONN_ENCRYPT_PEND
,
395 HCI_CONN_RSWITCH_PEND
,
396 HCI_CONN_MODE_CHANGE_PEND
,
397 HCI_CONN_SCO_SETUP_PEND
,
398 HCI_CONN_LE_SMP_PEND
,
401 static inline void hci_conn_hash_init(struct hci_dev
*hdev
)
403 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
404 INIT_LIST_HEAD(&h
->list
);
410 static inline void hci_conn_hash_add(struct hci_dev
*hdev
, struct hci_conn
*c
)
412 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
413 list_add_rcu(&c
->list
, &h
->list
);
428 static inline void hci_conn_hash_del(struct hci_dev
*hdev
, struct hci_conn
*c
)
430 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
432 list_del_rcu(&c
->list
);
449 static inline unsigned int hci_conn_num(struct hci_dev
*hdev
, __u8 type
)
451 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
465 static inline struct hci_conn
*hci_conn_hash_lookup_handle(struct hci_dev
*hdev
,
468 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
473 list_for_each_entry_rcu(c
, &h
->list
, list
) {
474 if (c
->handle
== handle
) {
484 static inline struct hci_conn
*hci_conn_hash_lookup_ba(struct hci_dev
*hdev
,
485 __u8 type
, bdaddr_t
*ba
)
487 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
492 list_for_each_entry_rcu(c
, &h
->list
, list
) {
493 if (c
->type
== type
&& !bacmp(&c
->dst
, ba
)) {
504 static inline struct hci_conn
*hci_conn_hash_lookup_state(struct hci_dev
*hdev
,
505 __u8 type
, __u16 state
)
507 struct hci_conn_hash
*h
= &hdev
->conn_hash
;
512 list_for_each_entry_rcu(c
, &h
->list
, list
) {
513 if (c
->type
== type
&& c
->state
== state
) {
524 void hci_acl_connect(struct hci_conn
*conn
);
525 void hci_acl_disconn(struct hci_conn
*conn
, __u8 reason
);
526 void hci_add_sco(struct hci_conn
*conn
, __u16 handle
);
527 void hci_setup_sync(struct hci_conn
*conn
, __u16 handle
);
528 void hci_sco_setup(struct hci_conn
*conn
, __u8 status
);
530 struct hci_conn
*hci_conn_add(struct hci_dev
*hdev
, int type
, bdaddr_t
*dst
);
531 int hci_conn_del(struct hci_conn
*conn
);
532 void hci_conn_hash_flush(struct hci_dev
*hdev
);
533 void hci_conn_check_pending(struct hci_dev
*hdev
);
535 struct hci_chan
*hci_chan_create(struct hci_conn
*conn
);
536 int hci_chan_del(struct hci_chan
*chan
);
537 void hci_chan_list_flush(struct hci_conn
*conn
);
539 struct hci_conn
*hci_connect(struct hci_dev
*hdev
, int type
, bdaddr_t
*dst
,
540 __u8 sec_level
, __u8 auth_type
);
541 int hci_conn_check_link_mode(struct hci_conn
*conn
);
542 int hci_conn_check_secure(struct hci_conn
*conn
, __u8 sec_level
);
543 int hci_conn_security(struct hci_conn
*conn
, __u8 sec_level
, __u8 auth_type
);
544 int hci_conn_change_link_key(struct hci_conn
*conn
);
545 int hci_conn_switch_role(struct hci_conn
*conn
, __u8 role
);
547 void hci_conn_enter_active_mode(struct hci_conn
*conn
, __u8 force_active
);
549 void hci_conn_hold_device(struct hci_conn
*conn
);
550 void hci_conn_put_device(struct hci_conn
*conn
);
552 static inline void hci_conn_hold(struct hci_conn
*conn
)
554 atomic_inc(&conn
->refcnt
);
555 cancel_delayed_work_sync(&conn
->disc_work
);
558 static inline void hci_conn_put(struct hci_conn
*conn
)
560 if (atomic_dec_and_test(&conn
->refcnt
)) {
562 if (conn
->type
== ACL_LINK
|| conn
->type
== LE_LINK
) {
563 del_timer(&conn
->idle_timer
);
564 if (conn
->state
== BT_CONNECTED
) {
565 timeo
= msecs_to_jiffies(conn
->disc_timeout
);
569 timeo
= msecs_to_jiffies(10);
572 timeo
= msecs_to_jiffies(10);
574 cancel_delayed_work_sync(&conn
->disc_work
);
575 queue_delayed_work(conn
->hdev
->workqueue
,
576 &conn
->disc_work
, jiffies
+ timeo
);
580 /* ----- HCI Devices ----- */
581 static inline void __hci_dev_put(struct hci_dev
*d
)
583 if (atomic_dec_and_test(&d
->refcnt
))
588 * hci_dev_put and hci_dev_hold are macros to avoid dragging all the
589 * overhead of all the modular infrastructure into this header.
591 #define hci_dev_put(d) \
594 module_put(d->owner); \
597 static inline struct hci_dev
*__hci_dev_hold(struct hci_dev
*d
)
599 atomic_inc(&d
->refcnt
);
603 #define hci_dev_hold(d) \
605 try_module_get(d->owner) ? __hci_dev_hold(d) : NULL; \
608 #define hci_dev_lock(d) mutex_lock(&d->lock)
609 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
611 struct hci_dev
*hci_dev_get(int index
);
612 struct hci_dev
*hci_get_route(bdaddr_t
*src
, bdaddr_t
*dst
);
614 struct hci_dev
*hci_alloc_dev(void);
615 void hci_free_dev(struct hci_dev
*hdev
);
616 int hci_register_dev(struct hci_dev
*hdev
);
617 void hci_unregister_dev(struct hci_dev
*hdev
);
618 int hci_suspend_dev(struct hci_dev
*hdev
);
619 int hci_resume_dev(struct hci_dev
*hdev
);
620 int hci_dev_open(__u16 dev
);
621 int hci_dev_close(__u16 dev
);
622 int hci_dev_reset(__u16 dev
);
623 int hci_dev_reset_stat(__u16 dev
);
624 int hci_dev_cmd(unsigned int cmd
, void __user
*arg
);
625 int hci_get_dev_list(void __user
*arg
);
626 int hci_get_dev_info(void __user
*arg
);
627 int hci_get_conn_list(void __user
*arg
);
628 int hci_get_conn_info(struct hci_dev
*hdev
, void __user
*arg
);
629 int hci_get_auth_info(struct hci_dev
*hdev
, void __user
*arg
);
630 int hci_inquiry(void __user
*arg
);
632 struct bdaddr_list
*hci_blacklist_lookup(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
633 int hci_blacklist_clear(struct hci_dev
*hdev
);
634 int hci_blacklist_add(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
635 int hci_blacklist_del(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
637 int hci_uuids_clear(struct hci_dev
*hdev
);
639 int hci_link_keys_clear(struct hci_dev
*hdev
);
640 struct link_key
*hci_find_link_key(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
641 int hci_add_link_key(struct hci_dev
*hdev
, struct hci_conn
*conn
, int new_key
,
642 bdaddr_t
*bdaddr
, u8
*val
, u8 type
, u8 pin_len
);
643 struct link_key
*hci_find_ltk(struct hci_dev
*hdev
, __le16 ediv
, u8 rand
[8]);
644 struct link_key
*hci_find_link_key_type(struct hci_dev
*hdev
,
645 bdaddr_t
*bdaddr
, u8 type
);
646 int hci_add_ltk(struct hci_dev
*hdev
, int new_key
, bdaddr_t
*bdaddr
,
647 u8 key_size
, __le16 ediv
, u8 rand
[8], u8 ltk
[16]);
648 int hci_remove_link_key(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
650 int hci_remote_oob_data_clear(struct hci_dev
*hdev
);
651 struct oob_data
*hci_find_remote_oob_data(struct hci_dev
*hdev
,
653 int hci_add_remote_oob_data(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8
*hash
,
655 int hci_remove_remote_oob_data(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
657 #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
658 int hci_adv_entries_clear(struct hci_dev
*hdev
);
659 struct adv_entry
*hci_find_adv_entry(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
660 int hci_add_adv_entry(struct hci_dev
*hdev
,
661 struct hci_ev_le_advertising_info
*ev
);
663 void hci_del_off_timer(struct hci_dev
*hdev
);
665 void hci_event_packet(struct hci_dev
*hdev
, struct sk_buff
*skb
);
667 int hci_recv_frame(struct sk_buff
*skb
);
668 int hci_recv_fragment(struct hci_dev
*hdev
, int type
, void *data
, int count
);
669 int hci_recv_stream_fragment(struct hci_dev
*hdev
, void *data
, int count
);
671 void hci_init_sysfs(struct hci_dev
*hdev
);
672 int hci_add_sysfs(struct hci_dev
*hdev
);
673 void hci_del_sysfs(struct hci_dev
*hdev
);
674 void hci_conn_init_sysfs(struct hci_conn
*conn
);
675 void hci_conn_add_sysfs(struct hci_conn
*conn
);
676 void hci_conn_del_sysfs(struct hci_conn
*conn
);
678 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
680 /* ----- LMP capabilities ----- */
681 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
682 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
683 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
684 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
685 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
686 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
687 #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
688 #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
690 /* ----- Extended LMP capabilities ----- */
691 #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
693 /* ----- HCI protocols ----- */
694 static inline int hci_proto_connect_ind(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
699 return l2cap_connect_ind(hdev
, bdaddr
);
703 return sco_connect_ind(hdev
, bdaddr
);
706 BT_ERR("unknown link type %d", type
);
711 static inline void hci_proto_connect_cfm(struct hci_conn
*conn
, __u8 status
)
713 switch (conn
->type
) {
716 l2cap_connect_cfm(conn
, status
);
721 sco_connect_cfm(conn
, status
);
725 BT_ERR("unknown link type %d", conn
->type
);
729 if (conn
->connect_cfm_cb
)
730 conn
->connect_cfm_cb(conn
, status
);
733 static inline int hci_proto_disconn_ind(struct hci_conn
*conn
)
735 if (conn
->type
!= ACL_LINK
&& conn
->type
!= LE_LINK
)
736 return HCI_ERROR_REMOTE_USER_TERM
;
738 return l2cap_disconn_ind(conn
);
741 static inline void hci_proto_disconn_cfm(struct hci_conn
*conn
, __u8 reason
)
743 switch (conn
->type
) {
746 l2cap_disconn_cfm(conn
, reason
);
751 sco_disconn_cfm(conn
, reason
);
755 BT_ERR("unknown link type %d", conn
->type
);
759 if (conn
->disconn_cfm_cb
)
760 conn
->disconn_cfm_cb(conn
, reason
);
763 static inline void hci_proto_auth_cfm(struct hci_conn
*conn
, __u8 status
)
767 if (conn
->type
!= ACL_LINK
&& conn
->type
!= LE_LINK
)
770 if (test_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->pend
))
773 encrypt
= (conn
->link_mode
& HCI_LM_ENCRYPT
) ? 0x01 : 0x00;
774 l2cap_security_cfm(conn
, status
, encrypt
);
776 if (conn
->security_cfm_cb
)
777 conn
->security_cfm_cb(conn
, status
);
780 static inline void hci_proto_encrypt_cfm(struct hci_conn
*conn
, __u8 status
,
783 if (conn
->type
!= ACL_LINK
&& conn
->type
!= LE_LINK
)
786 l2cap_security_cfm(conn
, status
, encrypt
);
788 if (conn
->security_cfm_cb
)
789 conn
->security_cfm_cb(conn
, status
);
792 /* ----- HCI callbacks ----- */
794 struct list_head list
;
798 void (*security_cfm
) (struct hci_conn
*conn
, __u8 status
,
800 void (*key_change_cfm
) (struct hci_conn
*conn
, __u8 status
);
801 void (*role_switch_cfm
) (struct hci_conn
*conn
, __u8 status
, __u8 role
);
804 static inline void hci_auth_cfm(struct hci_conn
*conn
, __u8 status
)
809 hci_proto_auth_cfm(conn
, status
);
811 if (test_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->pend
))
814 encrypt
= (conn
->link_mode
& HCI_LM_ENCRYPT
) ? 0x01 : 0x00;
816 read_lock(&hci_cb_list_lock
);
817 list_for_each(p
, &hci_cb_list
) {
818 struct hci_cb
*cb
= list_entry(p
, struct hci_cb
, list
);
819 if (cb
->security_cfm
)
820 cb
->security_cfm(conn
, status
, encrypt
);
822 read_unlock(&hci_cb_list_lock
);
825 static inline void hci_encrypt_cfm(struct hci_conn
*conn
, __u8 status
,
830 if (conn
->sec_level
== BT_SECURITY_SDP
)
831 conn
->sec_level
= BT_SECURITY_LOW
;
833 if (conn
->pending_sec_level
> conn
->sec_level
)
834 conn
->sec_level
= conn
->pending_sec_level
;
836 hci_proto_encrypt_cfm(conn
, status
, encrypt
);
838 read_lock(&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(&hci_cb_list_lock
);
847 static inline void hci_key_change_cfm(struct hci_conn
*conn
, __u8 status
)
851 read_lock(&hci_cb_list_lock
);
852 list_for_each(p
, &hci_cb_list
) {
853 struct hci_cb
*cb
= list_entry(p
, struct hci_cb
, list
);
854 if (cb
->key_change_cfm
)
855 cb
->key_change_cfm(conn
, status
);
857 read_unlock(&hci_cb_list_lock
);
860 static inline void hci_role_switch_cfm(struct hci_conn
*conn
, __u8 status
,
865 read_lock(&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
->role_switch_cfm
)
869 cb
->role_switch_cfm(conn
, status
, role
);
871 read_unlock(&hci_cb_list_lock
);
874 int hci_register_cb(struct hci_cb
*hcb
);
875 int hci_unregister_cb(struct hci_cb
*hcb
);
877 int hci_register_notifier(struct notifier_block
*nb
);
878 int hci_unregister_notifier(struct notifier_block
*nb
);
880 int hci_send_cmd(struct hci_dev
*hdev
, __u16 opcode
, __u32 plen
, void *param
);
881 void hci_send_acl(struct hci_chan
*chan
, struct sk_buff
*skb
, __u16 flags
);
882 void hci_send_sco(struct hci_conn
*conn
, struct sk_buff
*skb
);
884 void *hci_sent_cmd_data(struct hci_dev
*hdev
, __u16 opcode
);
886 void hci_si_event(struct hci_dev
*hdev
, int type
, int dlen
, void *data
);
888 /* ----- HCI Sockets ----- */
889 void hci_send_to_sock(struct hci_dev
*hdev
, struct sk_buff
*skb
,
890 struct sock
*skip_sk
);
892 /* Management interface */
893 int mgmt_control(struct sock
*sk
, struct msghdr
*msg
, size_t len
);
894 int mgmt_index_added(struct hci_dev
*hdev
);
895 int mgmt_index_removed(struct hci_dev
*hdev
);
896 int mgmt_powered(struct hci_dev
*hdev
, u8 powered
);
897 int mgmt_discoverable(struct hci_dev
*hdev
, u8 discoverable
);
898 int mgmt_connectable(struct hci_dev
*hdev
, u8 connectable
);
899 int mgmt_write_scan_failed(struct hci_dev
*hdev
, u8 scan
, u8 status
);
900 int mgmt_new_link_key(struct hci_dev
*hdev
, struct link_key
*key
,
902 int mgmt_connected(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 link_type
,
904 int mgmt_disconnected(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 link_type
,
906 int mgmt_disconnect_failed(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 status
);
907 int mgmt_connect_failed(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 link_type
,
908 u8 addr_type
, u8 status
);
909 int mgmt_pin_code_request(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 secure
);
910 int mgmt_pin_code_reply_complete(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
912 int mgmt_pin_code_neg_reply_complete(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
914 int mgmt_user_confirm_request(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
915 __le32 value
, u8 confirm_hint
);
916 int mgmt_user_confirm_reply_complete(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
918 int mgmt_user_confirm_neg_reply_complete(struct hci_dev
*hdev
,
919 bdaddr_t
*bdaddr
, u8 status
);
920 int mgmt_user_passkey_request(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
921 int mgmt_user_passkey_reply_complete(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
,
923 int mgmt_user_passkey_neg_reply_complete(struct hci_dev
*hdev
,
924 bdaddr_t
*bdaddr
, u8 status
);
925 int mgmt_auth_failed(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 status
);
926 int mgmt_set_local_name_complete(struct hci_dev
*hdev
, u8
*name
, u8 status
);
927 int mgmt_read_local_oob_data_reply_complete(struct hci_dev
*hdev
, u8
*hash
,
928 u8
*randomizer
, u8 status
);
929 int mgmt_device_found(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8 link_type
,
930 u8 addr_type
, u8
*dev_class
, s8 rssi
,
931 u8 cfm_name
, u8
*eir
);
932 int mgmt_remote_name(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
, u8
*name
);
933 int mgmt_start_discovery_failed(struct hci_dev
*hdev
, u8 status
);
934 int mgmt_stop_discovery_failed(struct hci_dev
*hdev
, u8 status
);
935 int mgmt_discovering(struct hci_dev
*hdev
, u8 discovering
);
936 int mgmt_device_blocked(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
937 int mgmt_device_unblocked(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
);
939 /* HCI info for socket */
940 #define hci_pi(sk) ((struct hci_pinfo *) sk)
942 /* HCI socket flags */
943 #define HCI_PI_MGMT_INIT 0
947 struct hci_dev
*hdev
;
948 struct hci_filter filter
;
950 unsigned short channel
;
954 /* HCI security filter */
955 #define HCI_SFLT_MAX_OGF 5
957 struct hci_sec_filter
{
960 __u32 ocf_mask
[HCI_SFLT_MAX_OGF
+ 1][4];
963 /* ----- HCI requests ----- */
964 #define HCI_REQ_DONE 0
965 #define HCI_REQ_PEND 1
966 #define HCI_REQ_CANCELED 2
968 #define hci_req_lock(d) mutex_lock(&d->req_lock)
969 #define hci_req_unlock(d) mutex_unlock(&d->req_lock)
971 void hci_req_complete(struct hci_dev
*hdev
, __u16 cmd
, int result
);
973 void hci_le_conn_update(struct hci_conn
*conn
, u16 min
, u16 max
,
974 u16 latency
, u16 to_multiplier
);
975 void hci_le_start_enc(struct hci_conn
*conn
, __le16 ediv
, __u8 rand
[8],
977 void hci_le_ltk_reply(struct hci_conn
*conn
, u8 ltk
[16]);
978 void hci_le_ltk_neg_reply(struct hci_conn
*conn
);
980 int hci_do_inquiry(struct hci_dev
*hdev
, u8 length
);
981 int hci_cancel_inquiry(struct hci_dev
*hdev
);
983 #endif /* __HCI_CORE_H */