11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 28a6b7a407SAlexey Dobriyan #include <linux/interrupt.h> 291da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 301da177e4SLinus Torvalds 315e59b791SLuiz Augusto von Dentz /* HCI priority */ 325e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 335e59b791SLuiz Augusto von Dentz 341da177e4SLinus Torvalds /* HCI Core structures */ 351da177e4SLinus Torvalds struct inquiry_data { 361da177e4SLinus Torvalds bdaddr_t bdaddr; 371da177e4SLinus Torvalds __u8 pscan_rep_mode; 381da177e4SLinus Torvalds __u8 pscan_period_mode; 391da177e4SLinus Torvalds __u8 pscan_mode; 401da177e4SLinus Torvalds __u8 dev_class[3]; 411ebb9252SMarcel Holtmann __le16 clock_offset; 421da177e4SLinus Torvalds __s8 rssi; 4341a96212SMarcel Holtmann __u8 ssp_mode; 441da177e4SLinus Torvalds }; 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds struct inquiry_entry { 47561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 48561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 49561aafbcSJohan Hedberg enum { 50561aafbcSJohan Hedberg NAME_NOT_KNOWN, 51561aafbcSJohan Hedberg NAME_NEEDED, 52561aafbcSJohan Hedberg NAME_PENDING, 53561aafbcSJohan Hedberg NAME_KNOWN, 54561aafbcSJohan Hedberg } name_state; 551da177e4SLinus Torvalds __u32 timestamp; 561da177e4SLinus Torvalds struct inquiry_data data; 571da177e4SLinus Torvalds }; 581da177e4SLinus Torvalds 5930883512SJohan Hedberg struct discovery_state { 60ff9ef578SJohan Hedberg enum { 61ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 62ff9ef578SJohan Hedberg DISCOVERY_STARTING, 6330dc78e1SJohan Hedberg DISCOVERY_INQUIRY, 64c599008fSAndre Guedes DISCOVERY_LE_SCAN, 6530dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 66ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 67ff9ef578SJohan Hedberg } state; 68561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 69561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 70561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 711da177e4SLinus Torvalds __u32 timestamp; 721da177e4SLinus Torvalds }; 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds struct hci_conn_hash { 751da177e4SLinus Torvalds struct list_head list; 761da177e4SLinus Torvalds unsigned int acl_num; 771da177e4SLinus Torvalds unsigned int sco_num; 78fcd89c09SVille Tervo unsigned int le_num; 791da177e4SLinus Torvalds }; 801da177e4SLinus Torvalds 81f0358568SJohan Hedberg struct bdaddr_list { 82f0358568SJohan Hedberg struct list_head list; 83f0358568SJohan Hedberg bdaddr_t bdaddr; 84f0358568SJohan Hedberg }; 852aeb9a1aSJohan Hedberg 862aeb9a1aSJohan Hedberg struct bt_uuid { 872aeb9a1aSJohan Hedberg struct list_head list; 882aeb9a1aSJohan Hedberg u8 uuid[16]; 891aff6f09SJohan Hedberg u8 svc_hint; 902aeb9a1aSJohan Hedberg }; 912aeb9a1aSJohan Hedberg 92b899efafSVinicius Costa Gomes struct smp_ltk { 93b899efafSVinicius Costa Gomes struct list_head list; 94b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 95b899efafSVinicius Costa Gomes u8 bdaddr_type; 96b899efafSVinicius Costa Gomes u8 authenticated; 97b899efafSVinicius Costa Gomes u8 type; 98b899efafSVinicius Costa Gomes u8 enc_size; 99b899efafSVinicius Costa Gomes __le16 ediv; 100b899efafSVinicius Costa Gomes u8 rand[8]; 101b899efafSVinicius Costa Gomes u8 val[16]; 102b899efafSVinicius Costa Gomes } __packed; 103b899efafSVinicius Costa Gomes 10455ed8ca1SJohan Hedberg struct link_key { 10555ed8ca1SJohan Hedberg struct list_head list; 10655ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10755ed8ca1SJohan Hedberg u8 type; 10855ed8ca1SJohan Hedberg u8 val[16]; 10955ed8ca1SJohan Hedberg u8 pin_len; 11055ed8ca1SJohan Hedberg }; 11155ed8ca1SJohan Hedberg 1122763eda6SSzymon Janc struct oob_data { 1132763eda6SSzymon Janc struct list_head list; 1142763eda6SSzymon Janc bdaddr_t bdaddr; 1152763eda6SSzymon Janc u8 hash[16]; 1162763eda6SSzymon Janc u8 randomizer[16]; 1172763eda6SSzymon Janc }; 1182763eda6SSzymon Janc 11976c8686fSAndre Guedes struct adv_entry { 12076c8686fSAndre Guedes struct list_head list; 12176c8686fSAndre Guedes bdaddr_t bdaddr; 12276c8686fSAndre Guedes u8 bdaddr_type; 12376c8686fSAndre Guedes }; 12476c8686fSAndre Guedes 1257ba8b4beSAndre Guedes struct le_scan_params { 1267ba8b4beSAndre Guedes u8 type; 1277ba8b4beSAndre Guedes u16 interval; 1287ba8b4beSAndre Guedes u16 window; 12928b75a89SAndre Guedes int timeout; 1307ba8b4beSAndre Guedes }; 1317ba8b4beSAndre Guedes 132cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1331da177e4SLinus Torvalds struct hci_dev { 1341da177e4SLinus Torvalds struct list_head list; 13509fd0de5SGustavo F. Padovan struct mutex lock; 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds char name[8]; 1381da177e4SLinus Torvalds unsigned long flags; 1391da177e4SLinus Torvalds __u16 id; 140c13854ceSMarcel Holtmann __u8 bus; 141943da25dSMarcel Holtmann __u8 dev_type; 1421da177e4SLinus Torvalds bdaddr_t bdaddr; 1431f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 14480a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 145a9de9248SMarcel Holtmann __u8 dev_class[3]; 1461aff6f09SJohan Hedberg __u8 major_class; 1471aff6f09SJohan Hedberg __u8 minor_class; 1481da177e4SLinus Torvalds __u8 features[8]; 14959e29406SAndre Guedes __u8 host_features[8]; 150a9de9248SMarcel Holtmann __u8 commands[64]; 1511143e5a6SMarcel Holtmann __u8 hci_ver; 1521143e5a6SMarcel Holtmann __u16 hci_rev; 153d5859e22SJohan Hedberg __u8 lmp_ver; 1541143e5a6SMarcel Holtmann __u16 manufacturer; 155d5859e22SJohan Hedberg __le16 lmp_subver; 1561da177e4SLinus Torvalds __u16 voice_setting; 15717fa4b9dSJohan Hedberg __u8 io_capability; 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvalds __u16 pkt_type; 1605b7f9909SMarcel Holtmann __u16 esco_type; 1611da177e4SLinus Torvalds __u16 link_policy; 1621da177e4SLinus Torvalds __u16 link_mode; 1631da177e4SLinus Torvalds 16404837f64SMarcel Holtmann __u32 idle_timeout; 16504837f64SMarcel Holtmann __u16 sniff_min_interval; 16604837f64SMarcel Holtmann __u16 sniff_max_interval; 16704837f64SMarcel Holtmann 168928abaa7SAndrei Emeltchenko __u8 amp_status; 169928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 170928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 171928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 172928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 173928abaa7SAndrei Emeltchenko __u8 amp_type; 174928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 175928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 176928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 177928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 178928abaa7SAndrei Emeltchenko 1791e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1801e89cffbSAndrei Emeltchenko 1819f61656aSJohan Hedberg unsigned int auto_accept_delay; 1829f61656aSJohan Hedberg 1831da177e4SLinus Torvalds unsigned long quirks; 1841da177e4SLinus Torvalds 1851da177e4SLinus Torvalds atomic_t cmd_cnt; 1861da177e4SLinus Torvalds unsigned int acl_cnt; 1871da177e4SLinus Torvalds unsigned int sco_cnt; 1886ed58ec5SVille Tervo unsigned int le_cnt; 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds unsigned int acl_mtu; 1911da177e4SLinus Torvalds unsigned int sco_mtu; 1926ed58ec5SVille Tervo unsigned int le_mtu; 1931da177e4SLinus Torvalds unsigned int acl_pkts; 1941da177e4SLinus Torvalds unsigned int sco_pkts; 1956ed58ec5SVille Tervo unsigned int le_pkts; 1961da177e4SLinus Torvalds 197350ee4cfSAndrei Emeltchenko __u16 block_len; 198350ee4cfSAndrei Emeltchenko __u16 block_mtu; 199350ee4cfSAndrei Emeltchenko __u16 num_blocks; 200350ee4cfSAndrei Emeltchenko __u16 block_cnt; 201350ee4cfSAndrei Emeltchenko 2021da177e4SLinus Torvalds unsigned long acl_last_tx; 2031da177e4SLinus Torvalds unsigned long sco_last_tx; 2046ed58ec5SVille Tervo unsigned long le_last_tx; 2051da177e4SLinus Torvalds 206f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 207f48fd9c8SMarcel Holtmann 208ab81cbf9SJohan Hedberg struct work_struct power_on; 2093243553fSJohan Hedberg struct delayed_work power_off; 210ab81cbf9SJohan Hedberg 21116ab91abSJohan Hedberg __u16 discov_timeout; 21216ab91abSJohan Hedberg struct delayed_work discov_off; 21316ab91abSJohan Hedberg 2147d78525dSJohan Hedberg struct delayed_work service_cache; 2157d78525dSJohan Hedberg 2166bd32326SVille Tervo struct timer_list cmd_timer; 217b78752ccSMarcel Holtmann 218b78752ccSMarcel Holtmann struct work_struct rx_work; 219c347b765SGustavo F. Padovan struct work_struct cmd_work; 2203eff45eaSGustavo F. Padovan struct work_struct tx_work; 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds struct sk_buff_head rx_q; 2231da177e4SLinus Torvalds struct sk_buff_head raw_q; 2241da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvalds struct sk_buff *sent_cmd; 227cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2281da177e4SLinus Torvalds 229a6a67efdSThomas Gleixner struct mutex req_lock; 2301da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2311da177e4SLinus Torvalds __u32 req_status; 2321da177e4SLinus Torvalds __u32 req_result; 233a5040efaSJohan Hedberg 234a5040efaSJohan Hedberg __u16 init_last_cmd; 2351da177e4SLinus Torvalds 2362e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2372e58ef3eSJohan Hedberg 23830883512SJohan Hedberg struct discovery_state discovery; 2391da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 240ea4bd8baSDavid Miller struct list_head blacklist; 2411da177e4SLinus Torvalds 2422aeb9a1aSJohan Hedberg struct list_head uuids; 2432aeb9a1aSJohan Hedberg 24455ed8ca1SJohan Hedberg struct list_head link_keys; 24555ed8ca1SJohan Hedberg 246b899efafSVinicius Costa Gomes struct list_head long_term_keys; 247b899efafSVinicius Costa Gomes 2482763eda6SSzymon Janc struct list_head remote_oob_data; 2492763eda6SSzymon Janc 25076c8686fSAndre Guedes struct list_head adv_entries; 251db323f2fSGustavo F. Padovan struct delayed_work adv_work; 25276c8686fSAndre Guedes 2531da177e4SLinus Torvalds struct hci_dev_stats stat; 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds struct sk_buff_head driver_init; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds void *driver_data; 2581da177e4SLinus Torvalds void *core_data; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds atomic_t promisc; 2611da177e4SLinus Torvalds 262ca325f69SMarcel Holtmann struct dentry *debugfs; 263ca325f69SMarcel Holtmann 264a91f2e39SMarcel Holtmann struct device *parent; 265a91f2e39SMarcel Holtmann struct device dev; 2661da177e4SLinus Torvalds 267611b30f7SMarcel Holtmann struct rfkill *rfkill; 268611b30f7SMarcel Holtmann 269d23264a8SAndre Guedes unsigned long dev_flags; 270d23264a8SAndre Guedes 2717ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2727ba8b4beSAndre Guedes 27328b75a89SAndre Guedes struct work_struct le_scan; 27428b75a89SAndre Guedes struct le_scan_params le_scan_params; 27528b75a89SAndre Guedes 2761da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2771da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2781da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2791da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2801da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2811da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2821da177e4SLinus Torvalds }; 2831da177e4SLinus Torvalds 2841da177e4SLinus Torvalds struct hci_conn { 2851da177e4SLinus Torvalds struct list_head list; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds atomic_t refcnt; 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds bdaddr_t dst; 29029b7988aSAndre Guedes __u8 dst_type; 2911da177e4SLinus Torvalds __u16 handle; 2921da177e4SLinus Torvalds __u16 state; 29304837f64SMarcel Holtmann __u8 mode; 2941da177e4SLinus Torvalds __u8 type; 295a0c808b3SJohan Hedberg bool out; 2964c67bc74SMarcel Holtmann __u8 attempt; 2971da177e4SLinus Torvalds __u8 dev_class[3]; 29804837f64SMarcel Holtmann __u8 features[8]; 29904837f64SMarcel Holtmann __u16 interval; 300a8746417SMarcel Holtmann __u16 pkt_type; 30104837f64SMarcel Holtmann __u16 link_policy; 3021da177e4SLinus Torvalds __u32 link_mode; 30313d39315SWaldemar Rymarkiewicz __u8 key_type; 30440be492fSMarcel Holtmann __u8 auth_type; 3058c1b2355SMarcel Holtmann __u8 sec_level; 306765c2a96SJohan Hedberg __u8 pending_sec_level; 307980e1a53SJohan Hedberg __u8 pin_length; 308726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 30917fa4b9dSJohan Hedberg __u8 io_capability; 310052b30b0SMarcel Holtmann __u16 disc_timeout; 31151a8efd7SJohan Hedberg unsigned long flags; 3121da177e4SLinus Torvalds 31303b555e1SJohan Hedberg __u8 remote_cap; 31403b555e1SJohan Hedberg __u8 remote_auth; 31503b555e1SJohan Hedberg 3161da177e4SLinus Torvalds unsigned int sent; 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds struct sk_buff_head data_q; 3192c33c06aSGustavo F. Padovan struct list_head chan_list; 3201da177e4SLinus Torvalds 32119c40e3bSGustavo F. Padovan struct delayed_work disc_work; 32204837f64SMarcel Holtmann struct timer_list idle_timer; 3239f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3241da177e4SLinus Torvalds 325b219e3acSMarcel Holtmann struct device dev; 3269eba32b8SMarcel Holtmann atomic_t devref; 327b219e3acSMarcel Holtmann 3281da177e4SLinus Torvalds struct hci_dev *hdev; 3291da177e4SLinus Torvalds void *l2cap_data; 3301da177e4SLinus Torvalds void *sco_data; 3312b64d153SBrian Gix void *smp_conn; 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds struct hci_conn *link; 334e9a416b5SJohan Hedberg 335e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 336e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 337e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3381da177e4SLinus Torvalds }; 3391da177e4SLinus Torvalds 34073d80debSLuiz Augusto von Dentz struct hci_chan { 34173d80debSLuiz Augusto von Dentz struct list_head list; 34273d80debSLuiz Augusto von Dentz 34373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 34473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 34573d80debSLuiz Augusto von Dentz unsigned int sent; 34673d80debSLuiz Augusto von Dentz }; 34773d80debSLuiz Augusto von Dentz 3481da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3491da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3501da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3511da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3521da177e4SLinus Torvalds 353686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 354686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 355686ebf28SUlisses Furquim extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 356686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 357686ebf28SUlisses Furquim extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 358686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 359686ebf28SUlisses Furquim extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 360686ebf28SUlisses Furquim 361686ebf28SUlisses Furquim extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 362686ebf28SUlisses Furquim extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); 363686ebf28SUlisses Furquim extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 364686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 365686ebf28SUlisses Furquim 3661da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 36770f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 36870f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3691da177e4SLinus Torvalds 37030883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3711da177e4SLinus Torvalds { 372ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 37330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 37430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 37530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3761da177e4SLinus Torvalds } 3771da177e4SLinus Torvalds 37830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 37930dc78e1SJohan Hedberg 380ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 381ff9ef578SJohan Hedberg 3821da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3831da177e4SLinus Torvalds { 38430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 3851da177e4SLinus Torvalds } 3861da177e4SLinus Torvalds 3871da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3881da177e4SLinus Torvalds { 38930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 3901da177e4SLinus Torvalds return jiffies - c->timestamp; 3911da177e4SLinus Torvalds } 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3941da177e4SLinus Torvalds { 3951da177e4SLinus Torvalds return jiffies - e->timestamp; 3961da177e4SLinus Torvalds } 3971da177e4SLinus Torvalds 3985a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3995a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 400561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 401561aafbcSJohan Hedberg bdaddr_t *bdaddr); 40230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 40330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 40430dc78e1SJohan Hedberg int state); 405a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 406a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4073175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 408561aafbcSJohan Hedberg bool name_known); 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4111da177e4SLinus Torvalds enum { 4121da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 41319f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4141da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 41504837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 41604837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 417e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 418d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 419b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 42058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 42158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 42258a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4231da177e4SLinus Torvalds }; 4241da177e4SLinus Torvalds 425aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 426aa64a8b5SJohan Hedberg { 427aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 428aa64a8b5SJohan Hedberg return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && 429aa64a8b5SJohan Hedberg test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); 430aa64a8b5SJohan Hedberg } 431aa64a8b5SJohan Hedberg 4321da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 4331da177e4SLinus Torvalds { 4341da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4351da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 4361da177e4SLinus Torvalds h->acl_num = 0; 4371da177e4SLinus Torvalds h->sco_num = 0; 438dc8ed672SGustavo F. Padovan h->le_num = 0; 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4421da177e4SLinus Torvalds { 4431da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 444bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 445fcd89c09SVille Tervo switch (c->type) { 446fcd89c09SVille Tervo case ACL_LINK: 4471da177e4SLinus Torvalds h->acl_num++; 448fcd89c09SVille Tervo break; 449fcd89c09SVille Tervo case LE_LINK: 450fcd89c09SVille Tervo h->le_num++; 451fcd89c09SVille Tervo break; 452fcd89c09SVille Tervo case SCO_LINK: 453fcd89c09SVille Tervo case ESCO_LINK: 4541da177e4SLinus Torvalds h->sco_num++; 455fcd89c09SVille Tervo break; 456fcd89c09SVille Tervo } 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4601da177e4SLinus Torvalds { 4611da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 462bf4c6325SGustavo F. Padovan 463bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 464bf4c6325SGustavo F. Padovan synchronize_rcu(); 465bf4c6325SGustavo F. Padovan 466fcd89c09SVille Tervo switch (c->type) { 467fcd89c09SVille Tervo case ACL_LINK: 4681da177e4SLinus Torvalds h->acl_num--; 469fcd89c09SVille Tervo break; 470fcd89c09SVille Tervo case LE_LINK: 471fcd89c09SVille Tervo h->le_num--; 472fcd89c09SVille Tervo break; 473fcd89c09SVille Tervo case SCO_LINK: 474fcd89c09SVille Tervo case ESCO_LINK: 4751da177e4SLinus Torvalds h->sco_num--; 476fcd89c09SVille Tervo break; 477fcd89c09SVille Tervo } 4781da177e4SLinus Torvalds } 4791da177e4SLinus Torvalds 48052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 48152087a79SLuiz Augusto von Dentz { 48252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 48352087a79SLuiz Augusto von Dentz switch (type) { 48452087a79SLuiz Augusto von Dentz case ACL_LINK: 48552087a79SLuiz Augusto von Dentz return h->acl_num; 48652087a79SLuiz Augusto von Dentz case LE_LINK: 48752087a79SLuiz Augusto von Dentz return h->le_num; 48852087a79SLuiz Augusto von Dentz case SCO_LINK: 48952087a79SLuiz Augusto von Dentz case ESCO_LINK: 49052087a79SLuiz Augusto von Dentz return h->sco_num; 49152087a79SLuiz Augusto von Dentz default: 49252087a79SLuiz Augusto von Dentz return 0; 49352087a79SLuiz Augusto von Dentz } 49452087a79SLuiz Augusto von Dentz } 49552087a79SLuiz Augusto von Dentz 4961da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4971da177e4SLinus Torvalds __u16 handle) 4981da177e4SLinus Torvalds { 4991da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5001da177e4SLinus Torvalds struct hci_conn *c; 5011da177e4SLinus Torvalds 502bf4c6325SGustavo F. Padovan rcu_read_lock(); 503bf4c6325SGustavo F. Padovan 504bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 505bf4c6325SGustavo F. Padovan if (c->handle == handle) { 506bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5071da177e4SLinus Torvalds return c; 5081da177e4SLinus Torvalds } 509bf4c6325SGustavo F. Padovan } 510bf4c6325SGustavo F. Padovan rcu_read_unlock(); 511bf4c6325SGustavo F. Padovan 5121da177e4SLinus Torvalds return NULL; 5131da177e4SLinus Torvalds } 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5161da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5171da177e4SLinus Torvalds { 5181da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5191da177e4SLinus Torvalds struct hci_conn *c; 5201da177e4SLinus Torvalds 521bf4c6325SGustavo F. Padovan rcu_read_lock(); 522bf4c6325SGustavo F. Padovan 523bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 524bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 525bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5261da177e4SLinus Torvalds return c; 5271da177e4SLinus Torvalds } 528bf4c6325SGustavo F. Padovan } 529bf4c6325SGustavo F. Padovan 530bf4c6325SGustavo F. Padovan rcu_read_unlock(); 531bf4c6325SGustavo F. Padovan 5321da177e4SLinus Torvalds return NULL; 5331da177e4SLinus Torvalds } 5341da177e4SLinus Torvalds 5354c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5364c67bc74SMarcel Holtmann __u8 type, __u16 state) 5374c67bc74SMarcel Holtmann { 5384c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5394c67bc74SMarcel Holtmann struct hci_conn *c; 5404c67bc74SMarcel Holtmann 541bf4c6325SGustavo F. Padovan rcu_read_lock(); 542bf4c6325SGustavo F. Padovan 543bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 544bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 545bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5464c67bc74SMarcel Holtmann return c; 5474c67bc74SMarcel Holtmann } 548bf4c6325SGustavo F. Padovan } 549bf4c6325SGustavo F. Padovan 550bf4c6325SGustavo F. Padovan rcu_read_unlock(); 551bf4c6325SGustavo F. Padovan 5524c67bc74SMarcel Holtmann return NULL; 5534c67bc74SMarcel Holtmann } 5544c67bc74SMarcel Holtmann 5554c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5561da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5571da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 558b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 559e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5621da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5631da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 564a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5651da177e4SLinus Torvalds 56673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 56773d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5682c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 56973d80debSLuiz Augusto von Dentz 5705a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5715a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 572e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 573b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5740684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5751da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5768c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5771da177e4SLinus Torvalds 57814b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5791da177e4SLinus Torvalds 5809eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5819eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5829eba32b8SMarcel Holtmann 5831da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5841da177e4SLinus Torvalds { 5851da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 5862f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 5871da177e4SLinus Torvalds } 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5901da177e4SLinus Torvalds { 5911da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 59204837f64SMarcel Holtmann unsigned long timeo; 593454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5946ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5956ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 596052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 59704837f64SMarcel Holtmann if (!conn->out) 598052b30b0SMarcel Holtmann timeo *= 2; 5995a9d0a3fSWaldemar Rymarkiewicz } else { 6006ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6015a9d0a3fSWaldemar Rymarkiewicz } 6025a9d0a3fSWaldemar Rymarkiewicz } else { 60304837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 6045a9d0a3fSWaldemar Rymarkiewicz } 6052f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 60619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6071931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6081da177e4SLinus Torvalds } 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 612dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6131da177e4SLinus Torvalds { 6144c724c71SDavid Herrmann put_device(&d->dev); 615010666a1SDavid Herrmann } 6161da177e4SLinus Torvalds 617dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6181da177e4SLinus Torvalds { 6194c724c71SDavid Herrmann get_device(&d->dev); 6201da177e4SLinus Torvalds return d; 6211da177e4SLinus Torvalds } 6221da177e4SLinus Torvalds 62309fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 62409fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6251da177e4SLinus Torvalds 626aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 627aa2b86d7SDavid Herrmann 6281da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6291da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6301da177e4SLinus Torvalds 6311da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6321da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6331da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 63459735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6351da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6361da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6371da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6381da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6391da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6401da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6411da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6421da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6431da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6441da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6451da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 64640be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6471da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6481da177e4SLinus Torvalds 649f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 650f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 65188c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 65288c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 653f0358568SJohan Hedberg 6542aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6552aeb9a1aSJohan Hedberg 65655ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 65755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 658d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 659d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 660c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 661c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 662c9839a11SVinicius Costa Gomes int new_key, u8 authenticated, u8 tk[16], 663c9839a11SVinicius Costa Gomes u8 enc_size, u16 ediv, u8 rand[8]); 664c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 665c9839a11SVinicius Costa Gomes u8 addr_type); 666b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 667b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 66855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 66955ed8ca1SJohan Hedberg 6702763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6712763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6722763eda6SSzymon Janc bdaddr_t *bdaddr); 6732763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6742763eda6SSzymon Janc u8 *randomizer); 6752763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6762763eda6SSzymon Janc 67735815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 67876c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 67976c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 68076c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 68176c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 68276c8686fSAndre Guedes 683ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 684ab81cbf9SJohan Hedberg 6851da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6861da177e4SLinus Torvalds 68776bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 688ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 68999811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 690ef222013SMarcel Holtmann 6910ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 692ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 693ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 694a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 695b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 696b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6971da177e4SLinus Torvalds 698a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 70104837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 70204837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 70304837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 70404837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 7055b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 706769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 707e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 7086ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 7091da177e4SLinus Torvalds 710eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 71159e29406SAndre Guedes #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) 712eead27daSAndre Guedes 7131da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 7145a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 7155a9d0a3fSWaldemar Rymarkiewicz __u8 type) 7161da177e4SLinus Torvalds { 717686ebf28SUlisses Furquim switch (type) { 718686ebf28SUlisses Furquim case ACL_LINK: 719686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 7201da177e4SLinus Torvalds 721686ebf28SUlisses Furquim case SCO_LINK: 722686ebf28SUlisses Furquim case ESCO_LINK: 723686ebf28SUlisses Furquim return sco_connect_ind(hdev, bdaddr); 7241da177e4SLinus Torvalds 725686ebf28SUlisses Furquim default: 726686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 727686ebf28SUlisses Furquim return -EINVAL; 728686ebf28SUlisses Furquim } 7291da177e4SLinus Torvalds } 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7321da177e4SLinus Torvalds { 733686ebf28SUlisses Furquim switch (conn->type) { 734686ebf28SUlisses Furquim case ACL_LINK: 735686ebf28SUlisses Furquim case LE_LINK: 736686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 737686ebf28SUlisses Furquim break; 7381da177e4SLinus Torvalds 739686ebf28SUlisses Furquim case SCO_LINK: 740686ebf28SUlisses Furquim case ESCO_LINK: 741686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 742686ebf28SUlisses Furquim break; 7431da177e4SLinus Torvalds 744686ebf28SUlisses Furquim default: 745686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 746686ebf28SUlisses Furquim break; 747686ebf28SUlisses Furquim } 748e9a416b5SJohan Hedberg 749e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 750e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7511da177e4SLinus Torvalds } 7521da177e4SLinus Torvalds 7532950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7542950f21aSMarcel Holtmann { 755686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 756686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 7572950f21aSMarcel Holtmann 758686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 7592950f21aSMarcel Holtmann } 7602950f21aSMarcel Holtmann 7612950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7621da177e4SLinus Torvalds { 763686ebf28SUlisses Furquim switch (conn->type) { 764686ebf28SUlisses Furquim case ACL_LINK: 765686ebf28SUlisses Furquim case LE_LINK: 766686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 767686ebf28SUlisses Furquim break; 7681da177e4SLinus Torvalds 769686ebf28SUlisses Furquim case SCO_LINK: 770686ebf28SUlisses Furquim case ESCO_LINK: 771686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 772686ebf28SUlisses Furquim break; 7731da177e4SLinus Torvalds 774686ebf28SUlisses Furquim default: 775686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 776686ebf28SUlisses Furquim break; 777686ebf28SUlisses Furquim } 778e9a416b5SJohan Hedberg 779e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 780e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7811da177e4SLinus Torvalds } 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7841da177e4SLinus Torvalds { 7858c1b2355SMarcel Holtmann __u8 encrypt; 7868c1b2355SMarcel Holtmann 787686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 788686ebf28SUlisses Furquim return; 789686ebf28SUlisses Furquim 79051a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 7918c1b2355SMarcel Holtmann return; 7928c1b2355SMarcel Holtmann 7938c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 794686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 795e9a416b5SJohan Hedberg 796e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 797e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7981da177e4SLinus Torvalds } 7991da177e4SLinus Torvalds 8005a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8015a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8021da177e4SLinus Torvalds { 803686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 804686ebf28SUlisses Furquim return; 8051da177e4SLinus Torvalds 806686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 807e9a416b5SJohan Hedberg 808e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 809e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8101da177e4SLinus Torvalds } 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 8131da177e4SLinus Torvalds struct hci_cb { 8141da177e4SLinus Torvalds struct list_head list; 8151da177e4SLinus Torvalds 8161da177e4SLinus Torvalds char *name; 8171da177e4SLinus Torvalds 8185a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 8195a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 8201da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 8211da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8221da177e4SLinus Torvalds }; 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8251da177e4SLinus Torvalds { 8261da177e4SLinus Torvalds struct list_head *p; 8278c1b2355SMarcel Holtmann __u8 encrypt; 8281da177e4SLinus Torvalds 8291da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8301da177e4SLinus Torvalds 83151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8328c1b2355SMarcel Holtmann return; 8338c1b2355SMarcel Holtmann 8348c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8358c1b2355SMarcel Holtmann 836f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8371da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8381da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8398c1b2355SMarcel Holtmann if (cb->security_cfm) 8408c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8411da177e4SLinus Torvalds } 842f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 8455a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8465a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8471da177e4SLinus Torvalds { 8481da177e4SLinus Torvalds struct list_head *p; 8491da177e4SLinus Torvalds 850435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 851435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 852435fef20SMarcel Holtmann 85388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 85488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 85588167aedSVinicius Costa Gomes 8569719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8571da177e4SLinus Torvalds 858f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8591da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8601da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8618c1b2355SMarcel Holtmann if (cb->security_cfm) 8628c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8631da177e4SLinus Torvalds } 864f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8651da177e4SLinus Torvalds } 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8681da177e4SLinus Torvalds { 8691da177e4SLinus Torvalds struct list_head *p; 8701da177e4SLinus Torvalds 871f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8721da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8731da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8741da177e4SLinus Torvalds if (cb->key_change_cfm) 8751da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8761da177e4SLinus Torvalds } 877f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8781da177e4SLinus Torvalds } 8791da177e4SLinus Torvalds 8805a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8815a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8821da177e4SLinus Torvalds { 8831da177e4SLinus Torvalds struct list_head *p; 8841da177e4SLinus Torvalds 885f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8861da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8871da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8881da177e4SLinus Torvalds if (cb->role_switch_cfm) 8891da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8901da177e4SLinus Torvalds } 891f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8921da177e4SLinus Torvalds } 8931da177e4SLinus Torvalds 8946759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 8956759a675SJohan Hedberg { 8966759a675SJohan Hedberg u8 field_len; 8976759a675SJohan Hedberg size_t parsed; 8986759a675SJohan Hedberg 8996759a675SJohan Hedberg for (parsed = 0; parsed < data_len - 1; parsed += field_len) { 9006759a675SJohan Hedberg field_len = data[0]; 9016759a675SJohan Hedberg 9026759a675SJohan Hedberg if (field_len == 0) 9036759a675SJohan Hedberg break; 9046759a675SJohan Hedberg 9056759a675SJohan Hedberg parsed += field_len + 1; 9066759a675SJohan Hedberg 9076759a675SJohan Hedberg if (parsed > data_len) 9086759a675SJohan Hedberg break; 9096759a675SJohan Hedberg 9106759a675SJohan Hedberg if (data[1] == type) 9116759a675SJohan Hedberg return true; 9126759a675SJohan Hedberg 9136759a675SJohan Hedberg data += field_len + 1; 9146759a675SJohan Hedberg } 9156759a675SJohan Hedberg 9166759a675SJohan Hedberg return false; 9176759a675SJohan Hedberg } 9186759a675SJohan Hedberg 9191dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 9201dc06093SJohan Hedberg u8 data_len) 9211dc06093SJohan Hedberg { 9221dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 9231dc06093SJohan Hedberg eir[eir_len++] = type; 9241dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 9251dc06093SJohan Hedberg eir_len += data_len; 9261dc06093SJohan Hedberg 9271dc06093SJohan Hedberg return eir_len; 9281dc06093SJohan Hedberg } 9291dc06093SJohan Hedberg 9301da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 9311da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 9341da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 9351da177e4SLinus Torvalds 936a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 93773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 9380d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 9391da177e4SLinus Torvalds 940a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9411da177e4SLinus Torvalds 9421da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 9431da177e4SLinus Torvalds 9441da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 945eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 946eec8d2bcSJohan Hedberg struct sock *skip_sk); 9471da177e4SLinus Torvalds 9480381101fSJohan Hedberg /* Management interface */ 9490381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 950744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 951744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 952744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 953744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 954744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 955744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 956744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 957744cf19eSJohan Hedberg u8 persistent); 958afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 959b644ba33SJohan Hedberg u8 addr_type, u8 *name, u8 name_len, 960b644ba33SJohan Hedberg u8 *dev_class); 961afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 962afc747a6SJohan Hedberg u8 link_type, u8 addr_type); 96388c3df13SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 96488c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 96548264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 96648264f06SJohan Hedberg u8 addr_type, u8 status); 967744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 968744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 969c35938b2SSzymon Janc u8 status); 970744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 971744cf19eSJohan Hedberg u8 status); 972744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 973272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 974272d90dfSJohan Hedberg u8 confirm_hint); 975744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 976272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 977272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 978272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 979272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 980272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 981604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 982272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 983272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 984272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 985bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 986bab73cb6SJohan Hedberg u8 addr_type, u8 status); 987744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 988744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 989744cf19eSJohan Hedberg u8 *randomizer, u8 status); 99048264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 991561aafbcSJohan Hedberg u8 addr_type, u8 *dev_class, s8 rssi, 992e319d2e7SJohan Hedberg u8 cfm_name, u8 *eir, u16 eir_len); 993b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 994b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 9957a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 996e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 997744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 99888c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 99988c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 10000381101fSJohan Hedberg 1001346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 1002346af67bSVinicius Costa Gomes 10031da177e4SLinus Torvalds /* HCI info for socket */ 10041da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 10051da177e4SLinus Torvalds 100614c0b608SJohan Hedberg /* HCI socket flags */ 100714c0b608SJohan Hedberg #define HCI_PI_MGMT_INIT 0 100814c0b608SJohan Hedberg 10091da177e4SLinus Torvalds struct hci_pinfo { 10101da177e4SLinus Torvalds struct bt_sock bt; 10111da177e4SLinus Torvalds struct hci_dev *hdev; 10121da177e4SLinus Torvalds struct hci_filter filter; 10131da177e4SLinus Torvalds __u32 cmsg_mask; 1014c02178d2SJohan Hedberg unsigned short channel; 101514c0b608SJohan Hedberg unsigned long flags; 10161da177e4SLinus Torvalds }; 10171da177e4SLinus Torvalds 10181da177e4SLinus Torvalds /* HCI security filter */ 10191da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds struct hci_sec_filter { 10221da177e4SLinus Torvalds __u32 type_mask; 10231da177e4SLinus Torvalds __u32 event_mask[2]; 10241da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 10251da177e4SLinus Torvalds }; 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvalds /* ----- HCI requests ----- */ 10281da177e4SLinus Torvalds #define HCI_REQ_DONE 0 10291da177e4SLinus Torvalds #define HCI_REQ_PEND 1 10301da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 10311da177e4SLinus Torvalds 1032a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1033a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 10341da177e4SLinus Torvalds 103523bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 10361da177e4SLinus Torvalds 10372ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 10382ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1039a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1040a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 1041a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 1042a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 1043a7a595f6SVinicius Costa Gomes 10442519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 1045023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 104628b75a89SAndre Guedes int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, 104728b75a89SAndre Guedes int timeout); 10482519a1fcSAndre Guedes 10491da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1050