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 dev; 2671da177e4SLinus Torvalds 268611b30f7SMarcel Holtmann struct rfkill *rfkill; 269611b30f7SMarcel Holtmann 270d23264a8SAndre Guedes unsigned long dev_flags; 271d23264a8SAndre Guedes 2727ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2737ba8b4beSAndre Guedes 27428b75a89SAndre Guedes struct work_struct le_scan; 27528b75a89SAndre Guedes struct le_scan_params le_scan_params; 27628b75a89SAndre Guedes 2771da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2781da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2791da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2801da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2811da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2821da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2831da177e4SLinus Torvalds }; 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds struct hci_conn { 2861da177e4SLinus Torvalds struct list_head list; 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds atomic_t refcnt; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds bdaddr_t dst; 29129b7988aSAndre Guedes __u8 dst_type; 2921da177e4SLinus Torvalds __u16 handle; 2931da177e4SLinus Torvalds __u16 state; 29404837f64SMarcel Holtmann __u8 mode; 2951da177e4SLinus Torvalds __u8 type; 296a0c808b3SJohan Hedberg bool out; 2974c67bc74SMarcel Holtmann __u8 attempt; 2981da177e4SLinus Torvalds __u8 dev_class[3]; 29904837f64SMarcel Holtmann __u8 features[8]; 30004837f64SMarcel Holtmann __u16 interval; 301a8746417SMarcel Holtmann __u16 pkt_type; 30204837f64SMarcel Holtmann __u16 link_policy; 3031da177e4SLinus Torvalds __u32 link_mode; 30413d39315SWaldemar Rymarkiewicz __u8 key_type; 30540be492fSMarcel Holtmann __u8 auth_type; 3068c1b2355SMarcel Holtmann __u8 sec_level; 307765c2a96SJohan Hedberg __u8 pending_sec_level; 308980e1a53SJohan Hedberg __u8 pin_length; 309726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 31017fa4b9dSJohan Hedberg __u8 io_capability; 311052b30b0SMarcel Holtmann __u16 disc_timeout; 31251a8efd7SJohan Hedberg unsigned long flags; 3131da177e4SLinus Torvalds 31403b555e1SJohan Hedberg __u8 remote_cap; 31503b555e1SJohan Hedberg __u8 remote_auth; 3166ec5bcadSVishal Agarwal bool flush_key; 31703b555e1SJohan Hedberg 3181da177e4SLinus Torvalds unsigned int sent; 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds struct sk_buff_head data_q; 3212c33c06aSGustavo F. Padovan struct list_head chan_list; 3221da177e4SLinus Torvalds 32319c40e3bSGustavo F. Padovan struct delayed_work disc_work; 32404837f64SMarcel Holtmann struct timer_list idle_timer; 3259f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3261da177e4SLinus Torvalds 327b219e3acSMarcel Holtmann struct device dev; 3289eba32b8SMarcel Holtmann atomic_t devref; 329b219e3acSMarcel Holtmann 3301da177e4SLinus Torvalds struct hci_dev *hdev; 3311da177e4SLinus Torvalds void *l2cap_data; 3321da177e4SLinus Torvalds void *sco_data; 3332b64d153SBrian Gix void *smp_conn; 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds struct hci_conn *link; 336e9a416b5SJohan Hedberg 337e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 338e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 339e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3401da177e4SLinus Torvalds }; 3411da177e4SLinus Torvalds 34273d80debSLuiz Augusto von Dentz struct hci_chan { 34373d80debSLuiz Augusto von Dentz struct list_head list; 34473d80debSLuiz Augusto von Dentz 34573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 34673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 34773d80debSLuiz Augusto von Dentz unsigned int sent; 34873d80debSLuiz Augusto von Dentz }; 34973d80debSLuiz Augusto von Dentz 3501da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3511da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3521da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3531da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3541da177e4SLinus Torvalds 355686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 356686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 357686ebf28SUlisses Furquim extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 358686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 359686ebf28SUlisses Furquim extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 360686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 361686ebf28SUlisses Furquim extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 362686ebf28SUlisses Furquim 363686ebf28SUlisses Furquim extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 364686ebf28SUlisses Furquim extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); 365686ebf28SUlisses Furquim extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 366686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 367686ebf28SUlisses Furquim 3681da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 36970f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 37070f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3711da177e4SLinus Torvalds 37230883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3731da177e4SLinus Torvalds { 374ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 37530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 37630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 37730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3781da177e4SLinus Torvalds } 3791da177e4SLinus Torvalds 38030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 38130dc78e1SJohan Hedberg 382ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 383ff9ef578SJohan Hedberg 3841da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3851da177e4SLinus Torvalds { 38630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 3871da177e4SLinus Torvalds } 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3901da177e4SLinus Torvalds { 39130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 3921da177e4SLinus Torvalds return jiffies - c->timestamp; 3931da177e4SLinus Torvalds } 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3961da177e4SLinus Torvalds { 3971da177e4SLinus Torvalds return jiffies - e->timestamp; 3981da177e4SLinus Torvalds } 3991da177e4SLinus Torvalds 4005a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4015a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 402561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 403561aafbcSJohan Hedberg bdaddr_t *bdaddr); 40430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 40530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 40630dc78e1SJohan Hedberg int state); 407a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 408a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4093175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 410388fc8faSJohan Hedberg bool name_known, bool *ssp); 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4131da177e4SLinus Torvalds enum { 4141da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 41519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4161da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 41704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 41804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 419e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 420d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 421b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 42258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 42358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 42458a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4251da177e4SLinus Torvalds }; 4261da177e4SLinus Torvalds 427aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 428aa64a8b5SJohan Hedberg { 429aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 4303f17790cSHemant Gupta return (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 431aa64a8b5SJohan Hedberg test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); 432aa64a8b5SJohan Hedberg } 433aa64a8b5SJohan Hedberg 4341da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 4351da177e4SLinus Torvalds { 4361da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4371da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 4381da177e4SLinus Torvalds h->acl_num = 0; 4391da177e4SLinus Torvalds h->sco_num = 0; 440dc8ed672SGustavo F. Padovan h->le_num = 0; 4411da177e4SLinus Torvalds } 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4441da177e4SLinus Torvalds { 4451da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 446bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 447fcd89c09SVille Tervo switch (c->type) { 448fcd89c09SVille Tervo case ACL_LINK: 4491da177e4SLinus Torvalds h->acl_num++; 450fcd89c09SVille Tervo break; 451fcd89c09SVille Tervo case LE_LINK: 452fcd89c09SVille Tervo h->le_num++; 453fcd89c09SVille Tervo break; 454fcd89c09SVille Tervo case SCO_LINK: 455fcd89c09SVille Tervo case ESCO_LINK: 4561da177e4SLinus Torvalds h->sco_num++; 457fcd89c09SVille Tervo break; 458fcd89c09SVille Tervo } 4591da177e4SLinus Torvalds } 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4621da177e4SLinus Torvalds { 4631da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 464bf4c6325SGustavo F. Padovan 465bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 466bf4c6325SGustavo F. Padovan synchronize_rcu(); 467bf4c6325SGustavo F. Padovan 468fcd89c09SVille Tervo switch (c->type) { 469fcd89c09SVille Tervo case ACL_LINK: 4701da177e4SLinus Torvalds h->acl_num--; 471fcd89c09SVille Tervo break; 472fcd89c09SVille Tervo case LE_LINK: 473fcd89c09SVille Tervo h->le_num--; 474fcd89c09SVille Tervo break; 475fcd89c09SVille Tervo case SCO_LINK: 476fcd89c09SVille Tervo case ESCO_LINK: 4771da177e4SLinus Torvalds h->sco_num--; 478fcd89c09SVille Tervo break; 479fcd89c09SVille Tervo } 4801da177e4SLinus Torvalds } 4811da177e4SLinus Torvalds 48252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 48352087a79SLuiz Augusto von Dentz { 48452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 48552087a79SLuiz Augusto von Dentz switch (type) { 48652087a79SLuiz Augusto von Dentz case ACL_LINK: 48752087a79SLuiz Augusto von Dentz return h->acl_num; 48852087a79SLuiz Augusto von Dentz case LE_LINK: 48952087a79SLuiz Augusto von Dentz return h->le_num; 49052087a79SLuiz Augusto von Dentz case SCO_LINK: 49152087a79SLuiz Augusto von Dentz case ESCO_LINK: 49252087a79SLuiz Augusto von Dentz return h->sco_num; 49352087a79SLuiz Augusto von Dentz default: 49452087a79SLuiz Augusto von Dentz return 0; 49552087a79SLuiz Augusto von Dentz } 49652087a79SLuiz Augusto von Dentz } 49752087a79SLuiz Augusto von Dentz 4981da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4991da177e4SLinus Torvalds __u16 handle) 5001da177e4SLinus Torvalds { 5011da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5021da177e4SLinus Torvalds struct hci_conn *c; 5031da177e4SLinus Torvalds 504bf4c6325SGustavo F. Padovan rcu_read_lock(); 505bf4c6325SGustavo F. Padovan 506bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 507bf4c6325SGustavo F. Padovan if (c->handle == handle) { 508bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5091da177e4SLinus Torvalds return c; 5101da177e4SLinus Torvalds } 511bf4c6325SGustavo F. Padovan } 512bf4c6325SGustavo F. Padovan rcu_read_unlock(); 513bf4c6325SGustavo F. Padovan 5141da177e4SLinus Torvalds return NULL; 5151da177e4SLinus Torvalds } 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5181da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5191da177e4SLinus Torvalds { 5201da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5211da177e4SLinus Torvalds struct hci_conn *c; 5221da177e4SLinus Torvalds 523bf4c6325SGustavo F. Padovan rcu_read_lock(); 524bf4c6325SGustavo F. Padovan 525bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 526bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 527bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5281da177e4SLinus Torvalds return c; 5291da177e4SLinus Torvalds } 530bf4c6325SGustavo F. Padovan } 531bf4c6325SGustavo F. Padovan 532bf4c6325SGustavo F. Padovan rcu_read_unlock(); 533bf4c6325SGustavo F. Padovan 5341da177e4SLinus Torvalds return NULL; 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds 5374c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5384c67bc74SMarcel Holtmann __u8 type, __u16 state) 5394c67bc74SMarcel Holtmann { 5404c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5414c67bc74SMarcel Holtmann struct hci_conn *c; 5424c67bc74SMarcel Holtmann 543bf4c6325SGustavo F. Padovan rcu_read_lock(); 544bf4c6325SGustavo F. Padovan 545bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 546bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 547bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5484c67bc74SMarcel Holtmann return c; 5494c67bc74SMarcel Holtmann } 550bf4c6325SGustavo F. Padovan } 551bf4c6325SGustavo F. Padovan 552bf4c6325SGustavo F. Padovan rcu_read_unlock(); 553bf4c6325SGustavo F. Padovan 5544c67bc74SMarcel Holtmann return NULL; 5554c67bc74SMarcel Holtmann } 5564c67bc74SMarcel Holtmann 5574c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5581da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5591da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 560b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 561e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5641da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5651da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 566a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5671da177e4SLinus Torvalds 56873d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 56973d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5702c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 57173d80debSLuiz Augusto von Dentz 5725a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5735a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 574e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 575b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5760684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5771da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5788c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5791da177e4SLinus Torvalds 58014b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5811da177e4SLinus Torvalds 5829eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5839eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5849eba32b8SMarcel Holtmann 5851da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5861da177e4SLinus Torvalds { 5871da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 5882f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 5891da177e4SLinus Torvalds } 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5921da177e4SLinus Torvalds { 5931da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 59404837f64SMarcel Holtmann unsigned long timeo; 595454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5966ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5976ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 598052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 59904837f64SMarcel Holtmann if (!conn->out) 600052b30b0SMarcel Holtmann timeo *= 2; 6015a9d0a3fSWaldemar Rymarkiewicz } else { 6026ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6035a9d0a3fSWaldemar Rymarkiewicz } 6045a9d0a3fSWaldemar Rymarkiewicz } else { 60504837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 6065a9d0a3fSWaldemar Rymarkiewicz } 6072f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 60819c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6091931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6101da177e4SLinus Torvalds } 6111da177e4SLinus Torvalds } 6121da177e4SLinus Torvalds 6131da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 614dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6151da177e4SLinus Torvalds { 6164c724c71SDavid Herrmann put_device(&d->dev); 617010666a1SDavid Herrmann } 6181da177e4SLinus Torvalds 619dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6201da177e4SLinus Torvalds { 6214c724c71SDavid Herrmann get_device(&d->dev); 6221da177e4SLinus Torvalds return d; 6231da177e4SLinus Torvalds } 6241da177e4SLinus Torvalds 62509fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 62609fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6271da177e4SLinus Torvalds 628aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6293dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 630aa2b86d7SDavid Herrmann 631155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 632155961e8SDavid Herrmann { 633155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 634155961e8SDavid Herrmann } 635155961e8SDavid Herrmann 636155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 637155961e8SDavid Herrmann { 638155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 639155961e8SDavid Herrmann } 640155961e8SDavid Herrmann 6411da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6421da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6451da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6461da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 64759735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6481da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6491da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6501da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6511da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6521da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6531da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6541da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6551da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6561da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6571da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6581da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 65940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6601da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6611da177e4SLinus Torvalds 662f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 663f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 66488c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 66588c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 666f0358568SJohan Hedberg 6672aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6682aeb9a1aSJohan Hedberg 66955ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 67055ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 671d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 672d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 673c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 674c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 6759a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 6769a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 677c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 678c9839a11SVinicius Costa Gomes u8 addr_type); 679b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 680b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 68155ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 68255ed8ca1SJohan Hedberg 6832763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6842763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6852763eda6SSzymon Janc bdaddr_t *bdaddr); 6862763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6872763eda6SSzymon Janc u8 *randomizer); 6882763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6892763eda6SSzymon Janc 69035815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 69176c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 69276c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 69376c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 69476c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 69576c8686fSAndre Guedes 696ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 697ab81cbf9SJohan Hedberg 6981da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6991da177e4SLinus Torvalds 70076bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 701ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 70299811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 703ef222013SMarcel Holtmann 7040ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 705ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 706ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 707a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 708b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 709b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7101da177e4SLinus Torvalds 7116935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7121da177e4SLinus Torvalds 7131da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 71404837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 71504837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 71604837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 71704837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 7185b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 719769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 720e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 7216ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 7225e0452c0SAndre Guedes #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) 7231da177e4SLinus Torvalds 724eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 72559e29406SAndre Guedes #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) 726eead27daSAndre Guedes 7271da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 7285a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 7295a9d0a3fSWaldemar Rymarkiewicz __u8 type) 7301da177e4SLinus Torvalds { 731686ebf28SUlisses Furquim switch (type) { 732686ebf28SUlisses Furquim case ACL_LINK: 733686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 7341da177e4SLinus Torvalds 735686ebf28SUlisses Furquim case SCO_LINK: 736686ebf28SUlisses Furquim case ESCO_LINK: 737686ebf28SUlisses Furquim return sco_connect_ind(hdev, bdaddr); 7381da177e4SLinus Torvalds 739686ebf28SUlisses Furquim default: 740686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 741686ebf28SUlisses Furquim return -EINVAL; 742686ebf28SUlisses Furquim } 7431da177e4SLinus Torvalds } 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7461da177e4SLinus Torvalds { 747686ebf28SUlisses Furquim switch (conn->type) { 748686ebf28SUlisses Furquim case ACL_LINK: 749686ebf28SUlisses Furquim case LE_LINK: 750686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 751686ebf28SUlisses Furquim break; 7521da177e4SLinus Torvalds 753686ebf28SUlisses Furquim case SCO_LINK: 754686ebf28SUlisses Furquim case ESCO_LINK: 755686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 756686ebf28SUlisses Furquim break; 7571da177e4SLinus Torvalds 758686ebf28SUlisses Furquim default: 759686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 760686ebf28SUlisses Furquim break; 761686ebf28SUlisses Furquim } 762e9a416b5SJohan Hedberg 763e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 764e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7651da177e4SLinus Torvalds } 7661da177e4SLinus Torvalds 7672950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7682950f21aSMarcel Holtmann { 769686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 770686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 7712950f21aSMarcel Holtmann 772686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 7732950f21aSMarcel Holtmann } 7742950f21aSMarcel Holtmann 7752950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7761da177e4SLinus Torvalds { 777686ebf28SUlisses Furquim switch (conn->type) { 778686ebf28SUlisses Furquim case ACL_LINK: 779686ebf28SUlisses Furquim case LE_LINK: 780686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 781686ebf28SUlisses Furquim break; 7821da177e4SLinus Torvalds 783686ebf28SUlisses Furquim case SCO_LINK: 784686ebf28SUlisses Furquim case ESCO_LINK: 785686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 786686ebf28SUlisses Furquim break; 7871da177e4SLinus Torvalds 788686ebf28SUlisses Furquim default: 789686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 790686ebf28SUlisses Furquim break; 791686ebf28SUlisses Furquim } 792e9a416b5SJohan Hedberg 793e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 794e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7951da177e4SLinus Torvalds } 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7981da177e4SLinus Torvalds { 7998c1b2355SMarcel Holtmann __u8 encrypt; 8008c1b2355SMarcel Holtmann 801686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 802686ebf28SUlisses Furquim return; 803686ebf28SUlisses Furquim 80451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8058c1b2355SMarcel Holtmann return; 8068c1b2355SMarcel Holtmann 8078c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 808686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 809e9a416b5SJohan Hedberg 810e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 811e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8121da177e4SLinus Torvalds } 8131da177e4SLinus Torvalds 8145a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8155a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8161da177e4SLinus Torvalds { 817686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 818686ebf28SUlisses Furquim return; 8191da177e4SLinus Torvalds 820686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 821e9a416b5SJohan Hedberg 822e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 823e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8241da177e4SLinus Torvalds } 8251da177e4SLinus Torvalds 8261da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 8271da177e4SLinus Torvalds struct hci_cb { 8281da177e4SLinus Torvalds struct list_head list; 8291da177e4SLinus Torvalds 8301da177e4SLinus Torvalds char *name; 8311da177e4SLinus Torvalds 8325a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 8335a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 8341da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 8351da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8361da177e4SLinus Torvalds }; 8371da177e4SLinus Torvalds 8381da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8391da177e4SLinus Torvalds { 8401da177e4SLinus Torvalds struct list_head *p; 8418c1b2355SMarcel Holtmann __u8 encrypt; 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8441da177e4SLinus Torvalds 84551a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8468c1b2355SMarcel Holtmann return; 8478c1b2355SMarcel Holtmann 8488c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8498c1b2355SMarcel Holtmann 850f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8511da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8521da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8538c1b2355SMarcel Holtmann if (cb->security_cfm) 8548c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8551da177e4SLinus Torvalds } 856f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8571da177e4SLinus Torvalds } 8581da177e4SLinus Torvalds 8595a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8605a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8611da177e4SLinus Torvalds { 8621da177e4SLinus Torvalds struct list_head *p; 8631da177e4SLinus Torvalds 864435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 865435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 866435fef20SMarcel Holtmann 86788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 86888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 86988167aedSVinicius Costa Gomes 8709719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8711da177e4SLinus Torvalds 872f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8731da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8741da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8758c1b2355SMarcel Holtmann if (cb->security_cfm) 8768c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8771da177e4SLinus Torvalds } 878f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8791da177e4SLinus Torvalds } 8801da177e4SLinus Torvalds 8811da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 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->key_change_cfm) 8891da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8901da177e4SLinus Torvalds } 891f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8921da177e4SLinus Torvalds } 8931da177e4SLinus Torvalds 8945a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8955a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8961da177e4SLinus Torvalds { 8971da177e4SLinus Torvalds struct list_head *p; 8981da177e4SLinus Torvalds 899f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 9001da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 9011da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 9021da177e4SLinus Torvalds if (cb->role_switch_cfm) 9031da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9041da177e4SLinus Torvalds } 905f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9061da177e4SLinus Torvalds } 9071da177e4SLinus Torvalds 9086759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9096759a675SJohan Hedberg { 91084d9d071SJohan Hedberg size_t parsed = 0; 9116759a675SJohan Hedberg 9126c0c331eSJohan Hedberg if (data_len < 2) 9136c0c331eSJohan Hedberg return false; 9146c0c331eSJohan Hedberg 91584d9d071SJohan Hedberg while (parsed < data_len - 1) { 91684d9d071SJohan Hedberg u8 field_len = data[0]; 9176759a675SJohan Hedberg 9186759a675SJohan Hedberg if (field_len == 0) 9196759a675SJohan Hedberg break; 9206759a675SJohan Hedberg 9216759a675SJohan Hedberg parsed += field_len + 1; 9226759a675SJohan Hedberg 9236759a675SJohan Hedberg if (parsed > data_len) 9246759a675SJohan Hedberg break; 9256759a675SJohan Hedberg 9266759a675SJohan Hedberg if (data[1] == type) 9276759a675SJohan Hedberg return true; 9286759a675SJohan Hedberg 9296759a675SJohan Hedberg data += field_len + 1; 9306759a675SJohan Hedberg } 9316759a675SJohan Hedberg 9326759a675SJohan Hedberg return false; 9336759a675SJohan Hedberg } 9346759a675SJohan Hedberg 9351dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 9361dc06093SJohan Hedberg u8 data_len) 9371dc06093SJohan Hedberg { 9381dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 9391dc06093SJohan Hedberg eir[eir_len++] = type; 9401dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 9411dc06093SJohan Hedberg eir_len += data_len; 9421dc06093SJohan Hedberg 9431dc06093SJohan Hedberg return eir_len; 9441dc06093SJohan Hedberg } 9451dc06093SJohan Hedberg 9461da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 9471da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 9481da177e4SLinus Torvalds 949a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 95073d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 9510d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 9521da177e4SLinus Torvalds 953a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9541da177e4SLinus Torvalds 9551da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 956470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 957470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 958cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 9591da177e4SLinus Torvalds 960040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 961040030efSMarcel Holtmann 9620381101fSJohan Hedberg /* Management interface */ 963f39799f5SAndre Guedes #define MGMT_ADDR_BREDR 0x00 964f39799f5SAndre Guedes #define MGMT_ADDR_LE_PUBLIC 0x01 965f39799f5SAndre Guedes #define MGMT_ADDR_LE_RANDOM 0x02 966f39799f5SAndre Guedes #define MGMT_ADDR_INVALID 0xff 967f39799f5SAndre Guedes 968f39799f5SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(MGMT_ADDR_BREDR)) 969f39799f5SAndre Guedes #define DISCOV_TYPE_LE (BIT(MGMT_ADDR_LE_PUBLIC) | \ 970f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_RANDOM)) 971f39799f5SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(MGMT_ADDR_BREDR) | \ 972f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_PUBLIC) | \ 973f39799f5SAndre Guedes BIT(MGMT_ADDR_LE_RANDOM)) 974f39799f5SAndre Guedes 9750381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 976744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 977744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 978744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 979744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 980744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 981744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 982744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 983745c0ce3SVishal Agarwal bool persistent); 984afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 98504124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 98604124681SGustavo F. Padovan u8 *dev_class); 987afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 988afc747a6SJohan Hedberg u8 link_type, u8 addr_type); 98988c3df13SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 99088c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 99148264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 99248264f06SJohan Hedberg u8 addr_type, u8 status); 993744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 994744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 995c35938b2SSzymon Janc u8 status); 996744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 997744cf19eSJohan Hedberg u8 status); 998744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 999272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1000272d90dfSJohan Hedberg u8 confirm_hint); 1001744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1002272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1003272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1004272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1005272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1006272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1007604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1008272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1009272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1010272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1011bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1012bab73cb6SJohan Hedberg u8 addr_type, u8 status); 101333ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1014c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 10157f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 10167f9a903cSMarcel Holtmann u8 status); 1017744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1018744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1019744cf19eSJohan Hedberg u8 *randomizer, u8 status); 102006199cf8SJohan Hedberg int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 102148264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 102204124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 102304124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 1024b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1025b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 10267a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 1027e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 1028744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 10295e0452c0SAndre Guedes int mgmt_interleaved_discovery(struct hci_dev *hdev); 103088c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 103188c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 10320381101fSJohan Hedberg 1033346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 1034346af67bSVinicius Costa Gomes 10351da177e4SLinus Torvalds /* HCI info for socket */ 10361da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvalds struct hci_pinfo { 10391da177e4SLinus Torvalds struct bt_sock bt; 10401da177e4SLinus Torvalds struct hci_dev *hdev; 10411da177e4SLinus Torvalds struct hci_filter filter; 10421da177e4SLinus Torvalds __u32 cmsg_mask; 1043c02178d2SJohan Hedberg unsigned short channel; 10441da177e4SLinus Torvalds }; 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvalds /* HCI security filter */ 10471da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 10481da177e4SLinus Torvalds 10491da177e4SLinus Torvalds struct hci_sec_filter { 10501da177e4SLinus Torvalds __u32 type_mask; 10511da177e4SLinus Torvalds __u32 event_mask[2]; 10521da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 10531da177e4SLinus Torvalds }; 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvalds /* ----- HCI requests ----- */ 10561da177e4SLinus Torvalds #define HCI_REQ_DONE 0 10571da177e4SLinus Torvalds #define HCI_REQ_PEND 1 10581da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 10591da177e4SLinus Torvalds 1060a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1061a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 10621da177e4SLinus Torvalds 106323bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 10641da177e4SLinus Torvalds 10652ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 10662ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1067a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1068a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 1069a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 1070a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 1071a7a595f6SVinicius Costa Gomes 10722519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 1073023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 107428b75a89SAndre Guedes int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, 107528b75a89SAndre Guedes int timeout); 10762519a1fcSAndre Guedes 10771da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1078