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 { 604aab14e5SAndre Guedes int type; 61ff9ef578SJohan Hedberg enum { 62ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 63ff9ef578SJohan Hedberg DISCOVERY_STARTING, 64343f935bSAndre Guedes DISCOVERY_FINDING, 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 132490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 133490c5babSJohan Hedberg 134cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1351da177e4SLinus Torvalds struct hci_dev { 1361da177e4SLinus Torvalds struct list_head list; 13709fd0de5SGustavo F. Padovan struct mutex lock; 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds char name[8]; 1401da177e4SLinus Torvalds unsigned long flags; 1411da177e4SLinus Torvalds __u16 id; 142c13854ceSMarcel Holtmann __u8 bus; 143943da25dSMarcel Holtmann __u8 dev_type; 1441da177e4SLinus Torvalds bdaddr_t bdaddr; 1451f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 146490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 14780a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 148a9de9248SMarcel Holtmann __u8 dev_class[3]; 1491aff6f09SJohan Hedberg __u8 major_class; 1501aff6f09SJohan Hedberg __u8 minor_class; 1511da177e4SLinus Torvalds __u8 features[8]; 15259e29406SAndre Guedes __u8 host_features[8]; 153a9de9248SMarcel Holtmann __u8 commands[64]; 1541143e5a6SMarcel Holtmann __u8 hci_ver; 1551143e5a6SMarcel Holtmann __u16 hci_rev; 156d5859e22SJohan Hedberg __u8 lmp_ver; 1571143e5a6SMarcel Holtmann __u16 manufacturer; 1587d69230cSAndrei Emeltchenko __u16 lmp_subver; 1591da177e4SLinus Torvalds __u16 voice_setting; 16017fa4b9dSJohan Hedberg __u8 io_capability; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds __u16 pkt_type; 1635b7f9909SMarcel Holtmann __u16 esco_type; 1641da177e4SLinus Torvalds __u16 link_policy; 1651da177e4SLinus Torvalds __u16 link_mode; 1661da177e4SLinus Torvalds 16704837f64SMarcel Holtmann __u32 idle_timeout; 16804837f64SMarcel Holtmann __u16 sniff_min_interval; 16904837f64SMarcel Holtmann __u16 sniff_max_interval; 17004837f64SMarcel Holtmann 171928abaa7SAndrei Emeltchenko __u8 amp_status; 172928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 173928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 174928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 175928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 176928abaa7SAndrei Emeltchenko __u8 amp_type; 177928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 178928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 179928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 180928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 181928abaa7SAndrei Emeltchenko 1821e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1831e89cffbSAndrei Emeltchenko 1849f61656aSJohan Hedberg unsigned int auto_accept_delay; 1859f61656aSJohan Hedberg 1861da177e4SLinus Torvalds unsigned long quirks; 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds atomic_t cmd_cnt; 1891da177e4SLinus Torvalds unsigned int acl_cnt; 1901da177e4SLinus Torvalds unsigned int sco_cnt; 1916ed58ec5SVille Tervo unsigned int le_cnt; 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds unsigned int acl_mtu; 1941da177e4SLinus Torvalds unsigned int sco_mtu; 1956ed58ec5SVille Tervo unsigned int le_mtu; 1961da177e4SLinus Torvalds unsigned int acl_pkts; 1971da177e4SLinus Torvalds unsigned int sco_pkts; 1986ed58ec5SVille Tervo unsigned int le_pkts; 1991da177e4SLinus Torvalds 200350ee4cfSAndrei Emeltchenko __u16 block_len; 201350ee4cfSAndrei Emeltchenko __u16 block_mtu; 202350ee4cfSAndrei Emeltchenko __u16 num_blocks; 203350ee4cfSAndrei Emeltchenko __u16 block_cnt; 204350ee4cfSAndrei Emeltchenko 2051da177e4SLinus Torvalds unsigned long acl_last_tx; 2061da177e4SLinus Torvalds unsigned long sco_last_tx; 2076ed58ec5SVille Tervo unsigned long le_last_tx; 2081da177e4SLinus Torvalds 209f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 210f48fd9c8SMarcel Holtmann 211ab81cbf9SJohan Hedberg struct work_struct power_on; 2123243553fSJohan Hedberg struct delayed_work power_off; 213ab81cbf9SJohan Hedberg 21416ab91abSJohan Hedberg __u16 discov_timeout; 21516ab91abSJohan Hedberg struct delayed_work discov_off; 21616ab91abSJohan Hedberg 2177d78525dSJohan Hedberg struct delayed_work service_cache; 2187d78525dSJohan Hedberg 2196bd32326SVille Tervo struct timer_list cmd_timer; 220b78752ccSMarcel Holtmann 221b78752ccSMarcel Holtmann struct work_struct rx_work; 222c347b765SGustavo F. Padovan struct work_struct cmd_work; 2233eff45eaSGustavo F. Padovan struct work_struct tx_work; 2241da177e4SLinus Torvalds 2251da177e4SLinus Torvalds struct sk_buff_head rx_q; 2261da177e4SLinus Torvalds struct sk_buff_head raw_q; 2271da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds struct sk_buff *sent_cmd; 230cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2311da177e4SLinus Torvalds 232a6a67efdSThomas Gleixner struct mutex req_lock; 2331da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2341da177e4SLinus Torvalds __u32 req_status; 2351da177e4SLinus Torvalds __u32 req_result; 236a5040efaSJohan Hedberg 237a5040efaSJohan Hedberg __u16 init_last_cmd; 2381da177e4SLinus Torvalds 2392e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2402e58ef3eSJohan Hedberg 24130883512SJohan Hedberg struct discovery_state discovery; 2421da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 243ea4bd8baSDavid Miller struct list_head blacklist; 2441da177e4SLinus Torvalds 2452aeb9a1aSJohan Hedberg struct list_head uuids; 2462aeb9a1aSJohan Hedberg 24755ed8ca1SJohan Hedberg struct list_head link_keys; 24855ed8ca1SJohan Hedberg 249b899efafSVinicius Costa Gomes struct list_head long_term_keys; 250b899efafSVinicius Costa Gomes 2512763eda6SSzymon Janc struct list_head remote_oob_data; 2522763eda6SSzymon Janc 25376c8686fSAndre Guedes struct list_head adv_entries; 254db323f2fSGustavo F. Padovan struct delayed_work adv_work; 25576c8686fSAndre Guedes 2561da177e4SLinus Torvalds struct hci_dev_stats stat; 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds struct sk_buff_head driver_init; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds void *core_data; 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds atomic_t promisc; 2631da177e4SLinus Torvalds 264ca325f69SMarcel Holtmann struct dentry *debugfs; 265ca325f69SMarcel Holtmann 266a91f2e39SMarcel Holtmann struct device *parent; 267a91f2e39SMarcel Holtmann struct device dev; 2681da177e4SLinus Torvalds 269611b30f7SMarcel Holtmann struct rfkill *rfkill; 270611b30f7SMarcel Holtmann 271d23264a8SAndre Guedes unsigned long dev_flags; 272d23264a8SAndre Guedes 2737ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2747ba8b4beSAndre Guedes 27528b75a89SAndre Guedes struct work_struct le_scan; 27628b75a89SAndre Guedes struct le_scan_params le_scan_params; 27728b75a89SAndre Guedes 2781da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2791da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2801da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2811da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2821da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2831da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2841da177e4SLinus Torvalds }; 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds struct hci_conn { 2871da177e4SLinus Torvalds struct list_head list; 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds atomic_t refcnt; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds bdaddr_t dst; 29229b7988aSAndre Guedes __u8 dst_type; 2931da177e4SLinus Torvalds __u16 handle; 2941da177e4SLinus Torvalds __u16 state; 29504837f64SMarcel Holtmann __u8 mode; 2961da177e4SLinus Torvalds __u8 type; 297a0c808b3SJohan Hedberg bool out; 2984c67bc74SMarcel Holtmann __u8 attempt; 2991da177e4SLinus Torvalds __u8 dev_class[3]; 30004837f64SMarcel Holtmann __u8 features[8]; 30104837f64SMarcel Holtmann __u16 interval; 302a8746417SMarcel Holtmann __u16 pkt_type; 30304837f64SMarcel Holtmann __u16 link_policy; 3041da177e4SLinus Torvalds __u32 link_mode; 30513d39315SWaldemar Rymarkiewicz __u8 key_type; 30640be492fSMarcel Holtmann __u8 auth_type; 3078c1b2355SMarcel Holtmann __u8 sec_level; 308765c2a96SJohan Hedberg __u8 pending_sec_level; 309980e1a53SJohan Hedberg __u8 pin_length; 310726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 31117fa4b9dSJohan Hedberg __u8 io_capability; 312052b30b0SMarcel Holtmann __u16 disc_timeout; 31351a8efd7SJohan Hedberg unsigned long flags; 3141da177e4SLinus Torvalds 31503b555e1SJohan Hedberg __u8 remote_cap; 31603b555e1SJohan Hedberg __u8 remote_auth; 3176ec5bcadSVishal Agarwal bool flush_key; 31803b555e1SJohan Hedberg 3191da177e4SLinus Torvalds unsigned int sent; 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds struct sk_buff_head data_q; 3222c33c06aSGustavo F. Padovan struct list_head chan_list; 3231da177e4SLinus Torvalds 32419c40e3bSGustavo F. Padovan struct delayed_work disc_work; 32504837f64SMarcel Holtmann struct timer_list idle_timer; 3269f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3271da177e4SLinus Torvalds 328b219e3acSMarcel Holtmann struct device dev; 3299eba32b8SMarcel Holtmann atomic_t devref; 330b219e3acSMarcel Holtmann 3311da177e4SLinus Torvalds struct hci_dev *hdev; 3321da177e4SLinus Torvalds void *l2cap_data; 3331da177e4SLinus Torvalds void *sco_data; 3342b64d153SBrian Gix void *smp_conn; 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds struct hci_conn *link; 337e9a416b5SJohan Hedberg 338e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 339e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 340e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3411da177e4SLinus Torvalds }; 3421da177e4SLinus Torvalds 34373d80debSLuiz Augusto von Dentz struct hci_chan { 34473d80debSLuiz Augusto von Dentz struct list_head list; 34573d80debSLuiz Augusto von Dentz 34673d80debSLuiz Augusto von Dentz struct hci_conn *conn; 34773d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 34873d80debSLuiz Augusto von Dentz unsigned int sent; 34973d80debSLuiz Augusto von Dentz }; 35073d80debSLuiz Augusto von Dentz 3511da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3521da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3531da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3541da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3551da177e4SLinus Torvalds 356686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 357686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 358686ebf28SUlisses Furquim extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 359686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 360686ebf28SUlisses Furquim extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 361686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 362686ebf28SUlisses Furquim extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 363686ebf28SUlisses Furquim 364686ebf28SUlisses Furquim extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 365686ebf28SUlisses Furquim extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); 366686ebf28SUlisses Furquim extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 367686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 368686ebf28SUlisses Furquim 3691da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 37070f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 37170f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3721da177e4SLinus Torvalds 37330883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3741da177e4SLinus Torvalds { 375ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 37630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 37730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 37830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3791da177e4SLinus Torvalds } 3801da177e4SLinus Torvalds 38130dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 38230dc78e1SJohan Hedberg 383ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 384ff9ef578SJohan Hedberg 3851da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3861da177e4SLinus Torvalds { 38730883512SJohan Hedberg return list_empty(&hdev->discovery.all); 3881da177e4SLinus Torvalds } 3891da177e4SLinus Torvalds 3901da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3911da177e4SLinus Torvalds { 39230883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 3931da177e4SLinus Torvalds return jiffies - c->timestamp; 3941da177e4SLinus Torvalds } 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3971da177e4SLinus Torvalds { 3981da177e4SLinus Torvalds return jiffies - e->timestamp; 3991da177e4SLinus Torvalds } 4001da177e4SLinus Torvalds 4015a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4025a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 403561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 404561aafbcSJohan Hedberg bdaddr_t *bdaddr); 40530dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 40630dc78e1SJohan Hedberg bdaddr_t *bdaddr, 40730dc78e1SJohan Hedberg int state); 408a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 409a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4103175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 411388fc8faSJohan Hedberg bool name_known, bool *ssp); 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4141da177e4SLinus Torvalds enum { 4151da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 41619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4171da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 41804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 41904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 420e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 421d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 422b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 42358a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 42458a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 42558a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4261da177e4SLinus Torvalds }; 4271da177e4SLinus Torvalds 428aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 429aa64a8b5SJohan Hedberg { 430aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 4313f17790cSHemant Gupta return (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 432aa64a8b5SJohan Hedberg test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); 433aa64a8b5SJohan Hedberg } 434aa64a8b5SJohan Hedberg 4351da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 4361da177e4SLinus Torvalds { 4371da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4381da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 4391da177e4SLinus Torvalds h->acl_num = 0; 4401da177e4SLinus Torvalds h->sco_num = 0; 441dc8ed672SGustavo F. Padovan h->le_num = 0; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4451da177e4SLinus Torvalds { 4461da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 447bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 448fcd89c09SVille Tervo switch (c->type) { 449fcd89c09SVille Tervo case ACL_LINK: 4501da177e4SLinus Torvalds h->acl_num++; 451fcd89c09SVille Tervo break; 452fcd89c09SVille Tervo case LE_LINK: 453fcd89c09SVille Tervo h->le_num++; 454fcd89c09SVille Tervo break; 455fcd89c09SVille Tervo case SCO_LINK: 456fcd89c09SVille Tervo case ESCO_LINK: 4571da177e4SLinus Torvalds h->sco_num++; 458fcd89c09SVille Tervo break; 459fcd89c09SVille Tervo } 4601da177e4SLinus Torvalds } 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4631da177e4SLinus Torvalds { 4641da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 465bf4c6325SGustavo F. Padovan 466bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 467bf4c6325SGustavo F. Padovan synchronize_rcu(); 468bf4c6325SGustavo F. Padovan 469fcd89c09SVille Tervo switch (c->type) { 470fcd89c09SVille Tervo case ACL_LINK: 4711da177e4SLinus Torvalds h->acl_num--; 472fcd89c09SVille Tervo break; 473fcd89c09SVille Tervo case LE_LINK: 474fcd89c09SVille Tervo h->le_num--; 475fcd89c09SVille Tervo break; 476fcd89c09SVille Tervo case SCO_LINK: 477fcd89c09SVille Tervo case ESCO_LINK: 4781da177e4SLinus Torvalds h->sco_num--; 479fcd89c09SVille Tervo break; 480fcd89c09SVille Tervo } 4811da177e4SLinus Torvalds } 4821da177e4SLinus Torvalds 48352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 48452087a79SLuiz Augusto von Dentz { 48552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 48652087a79SLuiz Augusto von Dentz switch (type) { 48752087a79SLuiz Augusto von Dentz case ACL_LINK: 48852087a79SLuiz Augusto von Dentz return h->acl_num; 48952087a79SLuiz Augusto von Dentz case LE_LINK: 49052087a79SLuiz Augusto von Dentz return h->le_num; 49152087a79SLuiz Augusto von Dentz case SCO_LINK: 49252087a79SLuiz Augusto von Dentz case ESCO_LINK: 49352087a79SLuiz Augusto von Dentz return h->sco_num; 49452087a79SLuiz Augusto von Dentz default: 49552087a79SLuiz Augusto von Dentz return 0; 49652087a79SLuiz Augusto von Dentz } 49752087a79SLuiz Augusto von Dentz } 49852087a79SLuiz Augusto von Dentz 4991da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5001da177e4SLinus Torvalds __u16 handle) 5011da177e4SLinus Torvalds { 5021da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5031da177e4SLinus Torvalds struct hci_conn *c; 5041da177e4SLinus Torvalds 505bf4c6325SGustavo F. Padovan rcu_read_lock(); 506bf4c6325SGustavo F. Padovan 507bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 508bf4c6325SGustavo F. Padovan if (c->handle == handle) { 509bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5101da177e4SLinus Torvalds return c; 5111da177e4SLinus Torvalds } 512bf4c6325SGustavo F. Padovan } 513bf4c6325SGustavo F. Padovan rcu_read_unlock(); 514bf4c6325SGustavo F. Padovan 5151da177e4SLinus Torvalds return NULL; 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5191da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5201da177e4SLinus Torvalds { 5211da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5221da177e4SLinus Torvalds struct hci_conn *c; 5231da177e4SLinus Torvalds 524bf4c6325SGustavo F. Padovan rcu_read_lock(); 525bf4c6325SGustavo F. Padovan 526bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 527bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 528bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5291da177e4SLinus Torvalds return c; 5301da177e4SLinus Torvalds } 531bf4c6325SGustavo F. Padovan } 532bf4c6325SGustavo F. Padovan 533bf4c6325SGustavo F. Padovan rcu_read_unlock(); 534bf4c6325SGustavo F. Padovan 5351da177e4SLinus Torvalds return NULL; 5361da177e4SLinus Torvalds } 5371da177e4SLinus Torvalds 5384c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5394c67bc74SMarcel Holtmann __u8 type, __u16 state) 5404c67bc74SMarcel Holtmann { 5414c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5424c67bc74SMarcel Holtmann struct hci_conn *c; 5434c67bc74SMarcel Holtmann 544bf4c6325SGustavo F. Padovan rcu_read_lock(); 545bf4c6325SGustavo F. Padovan 546bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 547bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 548bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5494c67bc74SMarcel Holtmann return c; 5504c67bc74SMarcel Holtmann } 551bf4c6325SGustavo F. Padovan } 552bf4c6325SGustavo F. Padovan 553bf4c6325SGustavo F. Padovan rcu_read_unlock(); 554bf4c6325SGustavo F. Padovan 5554c67bc74SMarcel Holtmann return NULL; 5564c67bc74SMarcel Holtmann } 5574c67bc74SMarcel Holtmann 5584c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5591da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5601da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 561b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 562e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5651da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5661da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 567a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5681da177e4SLinus Torvalds 56973d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 57073d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5712c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 57273d80debSLuiz Augusto von Dentz 5735a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5745a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 575e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 576b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5770684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5781da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5798c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5801da177e4SLinus Torvalds 58114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5821da177e4SLinus Torvalds 5839eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5849eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5859eba32b8SMarcel Holtmann 5861da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5871da177e4SLinus Torvalds { 5881da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 5892f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 5901da177e4SLinus Torvalds } 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5931da177e4SLinus Torvalds { 5941da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 59504837f64SMarcel Holtmann unsigned long timeo; 596454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5976ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5986ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 599052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 60004837f64SMarcel Holtmann if (!conn->out) 601052b30b0SMarcel Holtmann timeo *= 2; 6025a9d0a3fSWaldemar Rymarkiewicz } else { 6036ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6045a9d0a3fSWaldemar Rymarkiewicz } 6055a9d0a3fSWaldemar Rymarkiewicz } else { 60604837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 6075a9d0a3fSWaldemar Rymarkiewicz } 6082f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 60919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6101931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6111da177e4SLinus Torvalds } 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 615dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6161da177e4SLinus Torvalds { 6174c724c71SDavid Herrmann put_device(&d->dev); 618010666a1SDavid Herrmann } 6191da177e4SLinus Torvalds 620dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6211da177e4SLinus Torvalds { 6224c724c71SDavid Herrmann get_device(&d->dev); 6231da177e4SLinus Torvalds return d; 6241da177e4SLinus Torvalds } 6251da177e4SLinus Torvalds 62609fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 62709fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6281da177e4SLinus Torvalds 629aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6303dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 631aa2b86d7SDavid Herrmann 632155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 633155961e8SDavid Herrmann { 634155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 635155961e8SDavid Herrmann } 636155961e8SDavid Herrmann 637155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 638155961e8SDavid Herrmann { 639155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 640155961e8SDavid Herrmann } 641155961e8SDavid Herrmann 6421da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6431da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6461da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6471da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 64859735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6491da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6501da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6511da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6521da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6531da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6541da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6551da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6561da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6571da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6581da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6591da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 66040be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6611da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6621da177e4SLinus Torvalds 663f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 664f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 66588c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 66688c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 667f0358568SJohan Hedberg 6682aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6692aeb9a1aSJohan Hedberg 67055ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 67155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 672d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 673d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 674c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 675c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 67604124681SGustavo F. Padovan int new_key, u8 authenticated, u8 tk[16], u8 enc_size, u16 ediv, 67704124681SGustavo F. Padovan u8 rand[8]); 678c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 679c9839a11SVinicius Costa Gomes u8 addr_type); 680b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 681b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 68255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 68355ed8ca1SJohan Hedberg 6842763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6852763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6862763eda6SSzymon Janc bdaddr_t *bdaddr); 6872763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6882763eda6SSzymon Janc u8 *randomizer); 6892763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6902763eda6SSzymon Janc 69135815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 69276c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 69376c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 69476c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 69576c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 69676c8686fSAndre Guedes 697ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 698ab81cbf9SJohan Hedberg 6991da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7001da177e4SLinus Torvalds 70176bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 702ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 70399811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 704ef222013SMarcel Holtmann 7050ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 706ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 707ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 708a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 709b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 710b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7111da177e4SLinus Torvalds 712a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 7131da177e4SLinus Torvalds 7141da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 71504837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 71604837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 71704837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 71804837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 7195b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 720769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 721e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 7226ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 7235e0452c0SAndre Guedes #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) 7241da177e4SLinus Torvalds 725eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 72659e29406SAndre Guedes #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) 727eead27daSAndre Guedes 7281da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 7295a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 7305a9d0a3fSWaldemar Rymarkiewicz __u8 type) 7311da177e4SLinus Torvalds { 732686ebf28SUlisses Furquim switch (type) { 733686ebf28SUlisses Furquim case ACL_LINK: 734686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 7351da177e4SLinus Torvalds 736686ebf28SUlisses Furquim case SCO_LINK: 737686ebf28SUlisses Furquim case ESCO_LINK: 738686ebf28SUlisses Furquim return sco_connect_ind(hdev, bdaddr); 7391da177e4SLinus Torvalds 740686ebf28SUlisses Furquim default: 741686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 742686ebf28SUlisses Furquim return -EINVAL; 743686ebf28SUlisses Furquim } 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7471da177e4SLinus Torvalds { 748686ebf28SUlisses Furquim switch (conn->type) { 749686ebf28SUlisses Furquim case ACL_LINK: 750686ebf28SUlisses Furquim case LE_LINK: 751686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 752686ebf28SUlisses Furquim break; 7531da177e4SLinus Torvalds 754686ebf28SUlisses Furquim case SCO_LINK: 755686ebf28SUlisses Furquim case ESCO_LINK: 756686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 757686ebf28SUlisses Furquim break; 7581da177e4SLinus Torvalds 759686ebf28SUlisses Furquim default: 760686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 761686ebf28SUlisses Furquim break; 762686ebf28SUlisses Furquim } 763e9a416b5SJohan Hedberg 764e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 765e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7661da177e4SLinus Torvalds } 7671da177e4SLinus Torvalds 7682950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7692950f21aSMarcel Holtmann { 770686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 771686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 7722950f21aSMarcel Holtmann 773686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 7742950f21aSMarcel Holtmann } 7752950f21aSMarcel Holtmann 7762950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7771da177e4SLinus Torvalds { 778686ebf28SUlisses Furquim switch (conn->type) { 779686ebf28SUlisses Furquim case ACL_LINK: 780686ebf28SUlisses Furquim case LE_LINK: 781686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 782686ebf28SUlisses Furquim break; 7831da177e4SLinus Torvalds 784686ebf28SUlisses Furquim case SCO_LINK: 785686ebf28SUlisses Furquim case ESCO_LINK: 786686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 787686ebf28SUlisses Furquim break; 7881da177e4SLinus Torvalds 789686ebf28SUlisses Furquim default: 790686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 791686ebf28SUlisses Furquim break; 792686ebf28SUlisses Furquim } 793e9a416b5SJohan Hedberg 794e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 795e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7961da177e4SLinus Torvalds } 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7991da177e4SLinus Torvalds { 8008c1b2355SMarcel Holtmann __u8 encrypt; 8018c1b2355SMarcel Holtmann 802686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 803686ebf28SUlisses Furquim return; 804686ebf28SUlisses Furquim 80551a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8068c1b2355SMarcel Holtmann return; 8078c1b2355SMarcel Holtmann 8088c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 809686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 810e9a416b5SJohan Hedberg 811e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 812e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8131da177e4SLinus Torvalds } 8141da177e4SLinus Torvalds 8155a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8165a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8171da177e4SLinus Torvalds { 818686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 819686ebf28SUlisses Furquim return; 8201da177e4SLinus Torvalds 821686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 822e9a416b5SJohan Hedberg 823e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 824e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8251da177e4SLinus Torvalds } 8261da177e4SLinus Torvalds 8271da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 8281da177e4SLinus Torvalds struct hci_cb { 8291da177e4SLinus Torvalds struct list_head list; 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvalds char *name; 8321da177e4SLinus Torvalds 8335a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 8345a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 8351da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 8361da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8371da177e4SLinus Torvalds }; 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8401da177e4SLinus Torvalds { 8411da177e4SLinus Torvalds struct list_head *p; 8428c1b2355SMarcel Holtmann __u8 encrypt; 8431da177e4SLinus Torvalds 8441da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8451da177e4SLinus Torvalds 84651a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8478c1b2355SMarcel Holtmann return; 8488c1b2355SMarcel Holtmann 8498c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8508c1b2355SMarcel Holtmann 851f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8521da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8531da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8548c1b2355SMarcel Holtmann if (cb->security_cfm) 8558c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8561da177e4SLinus Torvalds } 857f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8581da177e4SLinus Torvalds } 8591da177e4SLinus Torvalds 8605a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8615a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8621da177e4SLinus Torvalds { 8631da177e4SLinus Torvalds struct list_head *p; 8641da177e4SLinus Torvalds 865435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 866435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 867435fef20SMarcel Holtmann 86888167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 86988167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 87088167aedSVinicius Costa Gomes 8719719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8721da177e4SLinus Torvalds 873f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8741da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8751da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8768c1b2355SMarcel Holtmann if (cb->security_cfm) 8778c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8781da177e4SLinus Torvalds } 879f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8801da177e4SLinus Torvalds } 8811da177e4SLinus Torvalds 8821da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8831da177e4SLinus Torvalds { 8841da177e4SLinus Torvalds struct list_head *p; 8851da177e4SLinus Torvalds 886f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8871da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8881da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8891da177e4SLinus Torvalds if (cb->key_change_cfm) 8901da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8911da177e4SLinus Torvalds } 892f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8931da177e4SLinus Torvalds } 8941da177e4SLinus Torvalds 8955a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8965a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8971da177e4SLinus Torvalds { 8981da177e4SLinus Torvalds struct list_head *p; 8991da177e4SLinus Torvalds 900f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 9011da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 9021da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 9031da177e4SLinus Torvalds if (cb->role_switch_cfm) 9041da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9051da177e4SLinus Torvalds } 906f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9071da177e4SLinus Torvalds } 9081da177e4SLinus Torvalds 9096759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9106759a675SJohan Hedberg { 91184d9d071SJohan Hedberg size_t parsed = 0; 9126759a675SJohan Hedberg 9136c0c331eSJohan Hedberg if (data_len < 2) 9146c0c331eSJohan Hedberg return false; 9156c0c331eSJohan Hedberg 91684d9d071SJohan Hedberg while (parsed < data_len - 1) { 91784d9d071SJohan Hedberg u8 field_len = data[0]; 9186759a675SJohan Hedberg 9196759a675SJohan Hedberg if (field_len == 0) 9206759a675SJohan Hedberg break; 9216759a675SJohan Hedberg 9226759a675SJohan Hedberg parsed += field_len + 1; 9236759a675SJohan Hedberg 9246759a675SJohan Hedberg if (parsed > data_len) 9256759a675SJohan Hedberg break; 9266759a675SJohan Hedberg 9276759a675SJohan Hedberg if (data[1] == type) 9286759a675SJohan Hedberg return true; 9296759a675SJohan Hedberg 9306759a675SJohan Hedberg data += field_len + 1; 9316759a675SJohan Hedberg } 9326759a675SJohan Hedberg 9336759a675SJohan Hedberg return false; 9346759a675SJohan Hedberg } 9356759a675SJohan Hedberg 9361dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 9371dc06093SJohan Hedberg u8 data_len) 9381dc06093SJohan Hedberg { 9391dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 9401dc06093SJohan Hedberg eir[eir_len++] = type; 9411dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 9421dc06093SJohan Hedberg eir_len += data_len; 9431dc06093SJohan Hedberg 9441dc06093SJohan Hedberg return eir_len; 9451dc06093SJohan Hedberg } 9461dc06093SJohan Hedberg 9471da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 9481da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 9491da177e4SLinus Torvalds 950a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 95173d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 9520d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 9531da177e4SLinus Torvalds 954a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 957470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 958470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 959cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 9601da177e4SLinus Torvalds 961040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 962040030efSMarcel Holtmann 9630381101fSJohan Hedberg /* Management interface */ 964f39799f5SAndre Guedes #define MGMT_ADDR_BREDR 0x00 965f39799f5SAndre Guedes #define MGMT_ADDR_LE_PUBLIC 0x01 966f39799f5SAndre Guedes #define MGMT_ADDR_LE_RANDOM 0x02 967f39799f5SAndre Guedes #define MGMT_ADDR_INVALID 0xff 968f39799f5SAndre Guedes 969f39799f5SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(MGMT_ADDR_BREDR)) 970f39799f5SAndre Guedes #define DISCOV_TYPE_LE (BIT(MGMT_ADDR_LE_PUBLIC) | \ 971f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_RANDOM)) 972f39799f5SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(MGMT_ADDR_BREDR) | \ 973f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_PUBLIC) | \ 974f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_RANDOM)) 975f39799f5SAndre Guedes 9760381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 977744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 978744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 979744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 980744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 981744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 982744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 983744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 984745c0ce3SVishal Agarwal bool persistent); 985afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 98604124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 98704124681SGustavo F. Padovan u8 *dev_class); 988afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 989afc747a6SJohan Hedberg u8 link_type, u8 addr_type); 99088c3df13SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 99188c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 99248264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 99348264f06SJohan Hedberg u8 addr_type, u8 status); 994744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 995744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 996c35938b2SSzymon Janc u8 status); 997744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 998744cf19eSJohan Hedberg u8 status); 999744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1000272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1001272d90dfSJohan Hedberg u8 confirm_hint); 1002744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1003272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1004272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1005272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1006272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1007272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1008604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1009272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1010272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1011272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1012bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1013bab73cb6SJohan Hedberg u8 addr_type, u8 status); 101433ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1015c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 10167f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 10177f9a903cSMarcel Holtmann u8 status); 1018744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1019744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1020744cf19eSJohan Hedberg u8 *randomizer, u8 status); 102106199cf8SJohan Hedberg int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 102248264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 102304124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 102404124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 1025b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1026b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 10277a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 1028e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 1029744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 10305e0452c0SAndre Guedes int mgmt_interleaved_discovery(struct hci_dev *hdev); 103188c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 103288c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 10330381101fSJohan Hedberg 1034346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 1035346af67bSVinicius Costa Gomes 10361da177e4SLinus Torvalds /* HCI info for socket */ 10371da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvalds struct hci_pinfo { 10401da177e4SLinus Torvalds struct bt_sock bt; 10411da177e4SLinus Torvalds struct hci_dev *hdev; 10421da177e4SLinus Torvalds struct hci_filter filter; 10431da177e4SLinus Torvalds __u32 cmsg_mask; 1044c02178d2SJohan Hedberg unsigned short channel; 10451da177e4SLinus Torvalds }; 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds /* HCI security filter */ 10481da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 10491da177e4SLinus Torvalds 10501da177e4SLinus Torvalds struct hci_sec_filter { 10511da177e4SLinus Torvalds __u32 type_mask; 10521da177e4SLinus Torvalds __u32 event_mask[2]; 10531da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 10541da177e4SLinus Torvalds }; 10551da177e4SLinus Torvalds 10561da177e4SLinus Torvalds /* ----- HCI requests ----- */ 10571da177e4SLinus Torvalds #define HCI_REQ_DONE 0 10581da177e4SLinus Torvalds #define HCI_REQ_PEND 1 10591da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 10601da177e4SLinus Torvalds 1061a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1062a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 10631da177e4SLinus Torvalds 106423bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 10651da177e4SLinus Torvalds 10662ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 10672ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1068a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1069a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 1070a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 1071a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 1072a7a595f6SVinicius Costa Gomes 10732519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 1074023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 107528b75a89SAndre Guedes int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, 107628b75a89SAndre Guedes int timeout); 10772519a1fcSAndre Guedes 10781da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1079