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; 1089b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 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; 16191c4e9b1SMarcel Holtmann __s8 inq_tx_power; 1622b9be137SMarcel Holtmann __u16 devid_source; 1632b9be137SMarcel Holtmann __u16 devid_vendor; 1642b9be137SMarcel Holtmann __u16 devid_product; 1652b9be137SMarcel Holtmann __u16 devid_version; 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds __u16 pkt_type; 1685b7f9909SMarcel Holtmann __u16 esco_type; 1691da177e4SLinus Torvalds __u16 link_policy; 1701da177e4SLinus Torvalds __u16 link_mode; 1711da177e4SLinus Torvalds 17204837f64SMarcel Holtmann __u32 idle_timeout; 17304837f64SMarcel Holtmann __u16 sniff_min_interval; 17404837f64SMarcel Holtmann __u16 sniff_max_interval; 17504837f64SMarcel Holtmann 176928abaa7SAndrei Emeltchenko __u8 amp_status; 177928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 178928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 179928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 180928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 181928abaa7SAndrei Emeltchenko __u8 amp_type; 182928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 183928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 184928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 185928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 186928abaa7SAndrei Emeltchenko 1871e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1881e89cffbSAndrei Emeltchenko 1899f61656aSJohan Hedberg unsigned int auto_accept_delay; 1909f61656aSJohan Hedberg 1911da177e4SLinus Torvalds unsigned long quirks; 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds atomic_t cmd_cnt; 1941da177e4SLinus Torvalds unsigned int acl_cnt; 1951da177e4SLinus Torvalds unsigned int sco_cnt; 1966ed58ec5SVille Tervo unsigned int le_cnt; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds unsigned int acl_mtu; 1991da177e4SLinus Torvalds unsigned int sco_mtu; 2006ed58ec5SVille Tervo unsigned int le_mtu; 2011da177e4SLinus Torvalds unsigned int acl_pkts; 2021da177e4SLinus Torvalds unsigned int sco_pkts; 2036ed58ec5SVille Tervo unsigned int le_pkts; 2041da177e4SLinus Torvalds 205350ee4cfSAndrei Emeltchenko __u16 block_len; 206350ee4cfSAndrei Emeltchenko __u16 block_mtu; 207350ee4cfSAndrei Emeltchenko __u16 num_blocks; 208350ee4cfSAndrei Emeltchenko __u16 block_cnt; 209350ee4cfSAndrei Emeltchenko 2101da177e4SLinus Torvalds unsigned long acl_last_tx; 2111da177e4SLinus Torvalds unsigned long sco_last_tx; 2126ed58ec5SVille Tervo unsigned long le_last_tx; 2131da177e4SLinus Torvalds 214f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 215f48fd9c8SMarcel Holtmann 216ab81cbf9SJohan Hedberg struct work_struct power_on; 2173243553fSJohan Hedberg struct delayed_work power_off; 218ab81cbf9SJohan Hedberg 21916ab91abSJohan Hedberg __u16 discov_timeout; 22016ab91abSJohan Hedberg struct delayed_work discov_off; 22116ab91abSJohan Hedberg 2227d78525dSJohan Hedberg struct delayed_work service_cache; 2237d78525dSJohan Hedberg 2246bd32326SVille Tervo struct timer_list cmd_timer; 225b78752ccSMarcel Holtmann 226b78752ccSMarcel Holtmann struct work_struct rx_work; 227c347b765SGustavo F. Padovan struct work_struct cmd_work; 2283eff45eaSGustavo F. Padovan struct work_struct tx_work; 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds struct sk_buff_head rx_q; 2311da177e4SLinus Torvalds struct sk_buff_head raw_q; 2321da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds struct sk_buff *sent_cmd; 235cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2361da177e4SLinus Torvalds 237a6a67efdSThomas Gleixner struct mutex req_lock; 2381da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2391da177e4SLinus Torvalds __u32 req_status; 2401da177e4SLinus Torvalds __u32 req_result; 241a5040efaSJohan Hedberg 242a5040efaSJohan Hedberg __u16 init_last_cmd; 2431da177e4SLinus Torvalds 2442e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2452e58ef3eSJohan Hedberg 24630883512SJohan Hedberg struct discovery_state discovery; 2471da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 248ea4bd8baSDavid Miller struct list_head blacklist; 2491da177e4SLinus Torvalds 2502aeb9a1aSJohan Hedberg struct list_head uuids; 2512aeb9a1aSJohan Hedberg 25255ed8ca1SJohan Hedberg struct list_head link_keys; 25355ed8ca1SJohan Hedberg 254b899efafSVinicius Costa Gomes struct list_head long_term_keys; 255b899efafSVinicius Costa Gomes 2562763eda6SSzymon Janc struct list_head remote_oob_data; 2572763eda6SSzymon Janc 2581da177e4SLinus Torvalds struct hci_dev_stats stat; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds struct sk_buff_head driver_init; 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds void *core_data; 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds atomic_t promisc; 2651da177e4SLinus Torvalds 266ca325f69SMarcel Holtmann struct dentry *debugfs; 267ca325f69SMarcel Holtmann 268a91f2e39SMarcel Holtmann struct device dev; 2691da177e4SLinus Torvalds 270611b30f7SMarcel Holtmann struct rfkill *rfkill; 271611b30f7SMarcel Holtmann 272d23264a8SAndre Guedes unsigned long dev_flags; 273d23264a8SAndre Guedes 2747ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2757ba8b4beSAndre Guedes 27628b75a89SAndre Guedes struct work_struct le_scan; 27728b75a89SAndre Guedes struct le_scan_params le_scan_params; 27828b75a89SAndre Guedes 2791da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2801da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2811da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2821da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2831da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2841da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2851da177e4SLinus Torvalds }; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds struct hci_conn { 2881da177e4SLinus Torvalds struct list_head list; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds atomic_t refcnt; 2911da177e4SLinus Torvalds 2921da177e4SLinus Torvalds bdaddr_t dst; 29329b7988aSAndre Guedes __u8 dst_type; 2941da177e4SLinus Torvalds __u16 handle; 2951da177e4SLinus Torvalds __u16 state; 29604837f64SMarcel Holtmann __u8 mode; 2971da177e4SLinus Torvalds __u8 type; 298a0c808b3SJohan Hedberg bool out; 2994c67bc74SMarcel Holtmann __u8 attempt; 3001da177e4SLinus Torvalds __u8 dev_class[3]; 30104837f64SMarcel Holtmann __u8 features[8]; 30204837f64SMarcel Holtmann __u16 interval; 303a8746417SMarcel Holtmann __u16 pkt_type; 30404837f64SMarcel Holtmann __u16 link_policy; 3051da177e4SLinus Torvalds __u32 link_mode; 30613d39315SWaldemar Rymarkiewicz __u8 key_type; 30740be492fSMarcel Holtmann __u8 auth_type; 3088c1b2355SMarcel Holtmann __u8 sec_level; 309765c2a96SJohan Hedberg __u8 pending_sec_level; 310980e1a53SJohan Hedberg __u8 pin_length; 311726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 31217fa4b9dSJohan Hedberg __u8 io_capability; 313052b30b0SMarcel Holtmann __u16 disc_timeout; 31451a8efd7SJohan Hedberg unsigned long flags; 3151da177e4SLinus Torvalds 31603b555e1SJohan Hedberg __u8 remote_cap; 31703b555e1SJohan Hedberg __u8 remote_auth; 3186ec5bcadSVishal Agarwal bool flush_key; 31903b555e1SJohan Hedberg 3201da177e4SLinus Torvalds unsigned int sent; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds struct sk_buff_head data_q; 3232c33c06aSGustavo F. Padovan struct list_head chan_list; 3241da177e4SLinus Torvalds 32519c40e3bSGustavo F. Padovan struct delayed_work disc_work; 32604837f64SMarcel Holtmann struct timer_list idle_timer; 3279f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3281da177e4SLinus Torvalds 329b219e3acSMarcel Holtmann struct device dev; 3309eba32b8SMarcel Holtmann atomic_t devref; 331b219e3acSMarcel Holtmann 3321da177e4SLinus Torvalds struct hci_dev *hdev; 3331da177e4SLinus Torvalds void *l2cap_data; 3341da177e4SLinus Torvalds void *sco_data; 3352b64d153SBrian Gix void *smp_conn; 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds struct hci_conn *link; 338e9a416b5SJohan Hedberg 339e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 340e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 341e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3421da177e4SLinus Torvalds }; 3431da177e4SLinus Torvalds 34473d80debSLuiz Augusto von Dentz struct hci_chan { 34573d80debSLuiz Augusto von Dentz struct list_head list; 34673d80debSLuiz Augusto von Dentz 34773d80debSLuiz Augusto von Dentz struct hci_conn *conn; 34873d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 34973d80debSLuiz Augusto von Dentz unsigned int sent; 35073d80debSLuiz Augusto von Dentz }; 35173d80debSLuiz Augusto von Dentz 3521da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3531da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3541da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3551da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3561da177e4SLinus Torvalds 357686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 358686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 359686ebf28SUlisses Furquim extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 360686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 361686ebf28SUlisses Furquim extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 362686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 363c3c7ea65SGustavo Padovan extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, 364c3c7ea65SGustavo Padovan u16 flags); 365686ebf28SUlisses Furquim 366686ebf28SUlisses Furquim extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 367686ebf28SUlisses Furquim extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); 368686ebf28SUlisses Furquim extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 369686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 370686ebf28SUlisses Furquim 3711da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 37270f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 37370f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3741da177e4SLinus Torvalds 37530883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3761da177e4SLinus Torvalds { 377ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 37830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 37930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 38030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds 38330dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 38430dc78e1SJohan Hedberg 385ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 386ff9ef578SJohan Hedberg 3871da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3881da177e4SLinus Torvalds { 38930883512SJohan Hedberg return list_empty(&hdev->discovery.all); 3901da177e4SLinus Torvalds } 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3931da177e4SLinus Torvalds { 39430883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 3951da177e4SLinus Torvalds return jiffies - c->timestamp; 3961da177e4SLinus Torvalds } 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3991da177e4SLinus Torvalds { 4001da177e4SLinus Torvalds return jiffies - e->timestamp; 4011da177e4SLinus Torvalds } 4021da177e4SLinus Torvalds 4035a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4045a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 405561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 406561aafbcSJohan Hedberg bdaddr_t *bdaddr); 40730dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 40830dc78e1SJohan Hedberg bdaddr_t *bdaddr, 40930dc78e1SJohan Hedberg int state); 410a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 411a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4123175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 413388fc8faSJohan Hedberg bool name_known, bool *ssp); 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4161da177e4SLinus Torvalds enum { 4171da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 41819f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4191da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 42004837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 42104837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 422e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 423d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 424b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 42558a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 42658a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 42758a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4281da177e4SLinus Torvalds }; 4291da177e4SLinus Torvalds 430aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 431aa64a8b5SJohan Hedberg { 432aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 433c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 434c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 435aa64a8b5SJohan Hedberg } 436aa64a8b5SJohan Hedberg 4371da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 4381da177e4SLinus Torvalds { 4391da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4401da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 4411da177e4SLinus Torvalds h->acl_num = 0; 4421da177e4SLinus Torvalds h->sco_num = 0; 443dc8ed672SGustavo F. Padovan h->le_num = 0; 4441da177e4SLinus Torvalds } 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4471da177e4SLinus Torvalds { 4481da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 449bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 450fcd89c09SVille Tervo switch (c->type) { 451fcd89c09SVille Tervo case ACL_LINK: 4521da177e4SLinus Torvalds h->acl_num++; 453fcd89c09SVille Tervo break; 454fcd89c09SVille Tervo case LE_LINK: 455fcd89c09SVille Tervo h->le_num++; 456fcd89c09SVille Tervo break; 457fcd89c09SVille Tervo case SCO_LINK: 458fcd89c09SVille Tervo case ESCO_LINK: 4591da177e4SLinus Torvalds h->sco_num++; 460fcd89c09SVille Tervo break; 461fcd89c09SVille Tervo } 4621da177e4SLinus Torvalds } 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 467bf4c6325SGustavo F. Padovan 468bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 469bf4c6325SGustavo F. Padovan synchronize_rcu(); 470bf4c6325SGustavo F. Padovan 471fcd89c09SVille Tervo switch (c->type) { 472fcd89c09SVille Tervo case ACL_LINK: 4731da177e4SLinus Torvalds h->acl_num--; 474fcd89c09SVille Tervo break; 475fcd89c09SVille Tervo case LE_LINK: 476fcd89c09SVille Tervo h->le_num--; 477fcd89c09SVille Tervo break; 478fcd89c09SVille Tervo case SCO_LINK: 479fcd89c09SVille Tervo case ESCO_LINK: 4801da177e4SLinus Torvalds h->sco_num--; 481fcd89c09SVille Tervo break; 482fcd89c09SVille Tervo } 4831da177e4SLinus Torvalds } 4841da177e4SLinus Torvalds 48552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 48652087a79SLuiz Augusto von Dentz { 48752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 48852087a79SLuiz Augusto von Dentz switch (type) { 48952087a79SLuiz Augusto von Dentz case ACL_LINK: 49052087a79SLuiz Augusto von Dentz return h->acl_num; 49152087a79SLuiz Augusto von Dentz case LE_LINK: 49252087a79SLuiz Augusto von Dentz return h->le_num; 49352087a79SLuiz Augusto von Dentz case SCO_LINK: 49452087a79SLuiz Augusto von Dentz case ESCO_LINK: 49552087a79SLuiz Augusto von Dentz return h->sco_num; 49652087a79SLuiz Augusto von Dentz default: 49752087a79SLuiz Augusto von Dentz return 0; 49852087a79SLuiz Augusto von Dentz } 49952087a79SLuiz Augusto von Dentz } 50052087a79SLuiz Augusto von Dentz 5011da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5021da177e4SLinus Torvalds __u16 handle) 5031da177e4SLinus Torvalds { 5041da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5051da177e4SLinus Torvalds struct hci_conn *c; 5061da177e4SLinus Torvalds 507bf4c6325SGustavo F. Padovan rcu_read_lock(); 508bf4c6325SGustavo F. Padovan 509bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 510bf4c6325SGustavo F. Padovan if (c->handle == handle) { 511bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5121da177e4SLinus Torvalds return c; 5131da177e4SLinus Torvalds } 514bf4c6325SGustavo F. Padovan } 515bf4c6325SGustavo F. Padovan rcu_read_unlock(); 516bf4c6325SGustavo F. Padovan 5171da177e4SLinus Torvalds return NULL; 5181da177e4SLinus Torvalds } 5191da177e4SLinus Torvalds 5201da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5211da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5221da177e4SLinus Torvalds { 5231da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5241da177e4SLinus Torvalds struct hci_conn *c; 5251da177e4SLinus Torvalds 526bf4c6325SGustavo F. Padovan rcu_read_lock(); 527bf4c6325SGustavo F. Padovan 528bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 529bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 530bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5311da177e4SLinus Torvalds return c; 5321da177e4SLinus Torvalds } 533bf4c6325SGustavo F. Padovan } 534bf4c6325SGustavo F. Padovan 535bf4c6325SGustavo F. Padovan rcu_read_unlock(); 536bf4c6325SGustavo F. Padovan 5371da177e4SLinus Torvalds return NULL; 5381da177e4SLinus Torvalds } 5391da177e4SLinus Torvalds 5404c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5414c67bc74SMarcel Holtmann __u8 type, __u16 state) 5424c67bc74SMarcel Holtmann { 5434c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5444c67bc74SMarcel Holtmann struct hci_conn *c; 5454c67bc74SMarcel Holtmann 546bf4c6325SGustavo F. Padovan rcu_read_lock(); 547bf4c6325SGustavo F. Padovan 548bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 549bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 550bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5514c67bc74SMarcel Holtmann return c; 5524c67bc74SMarcel Holtmann } 553bf4c6325SGustavo F. Padovan } 554bf4c6325SGustavo F. Padovan 555bf4c6325SGustavo F. Padovan rcu_read_unlock(); 556bf4c6325SGustavo F. Padovan 5574c67bc74SMarcel Holtmann return NULL; 5584c67bc74SMarcel Holtmann } 5594c67bc74SMarcel Holtmann 5604c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5611da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5621da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 563b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 564e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5651da177e4SLinus Torvalds 5661da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5671da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5681da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 569a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5701da177e4SLinus Torvalds 57173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 57273d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5732c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 57473d80debSLuiz Augusto von Dentz 5755a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 576b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 577e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 578b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5790684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5801da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5818c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5821da177e4SLinus Torvalds 58314b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5841da177e4SLinus Torvalds 5859eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5869eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5879eba32b8SMarcel Holtmann 5881da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5891da177e4SLinus Torvalds { 5901da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 5912f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 5921da177e4SLinus Torvalds } 5931da177e4SLinus Torvalds 5941da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5951da177e4SLinus Torvalds { 5961da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 59704837f64SMarcel Holtmann unsigned long timeo; 598454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5996ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6006ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 601052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 60204837f64SMarcel Holtmann if (!conn->out) 603052b30b0SMarcel Holtmann timeo *= 2; 6045a9d0a3fSWaldemar Rymarkiewicz } else { 6056ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6065a9d0a3fSWaldemar Rymarkiewicz } 6075a9d0a3fSWaldemar Rymarkiewicz } else { 60804837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 6095a9d0a3fSWaldemar Rymarkiewicz } 6102f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 61119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6121931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6131da177e4SLinus Torvalds } 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 6161da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 617dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6181da177e4SLinus Torvalds { 6194c724c71SDavid Herrmann put_device(&d->dev); 620010666a1SDavid Herrmann } 6211da177e4SLinus Torvalds 622dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6231da177e4SLinus Torvalds { 6244c724c71SDavid Herrmann get_device(&d->dev); 6251da177e4SLinus Torvalds return d; 6261da177e4SLinus Torvalds } 6271da177e4SLinus Torvalds 62809fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 62909fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6301da177e4SLinus Torvalds 631aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6323dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 633aa2b86d7SDavid Herrmann 634155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 635155961e8SDavid Herrmann { 636155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 637155961e8SDavid Herrmann } 638155961e8SDavid Herrmann 639155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 640155961e8SDavid Herrmann { 641155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 642155961e8SDavid Herrmann } 643155961e8SDavid Herrmann 6441da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6451da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6481da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6491da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 65059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6511da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6521da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6531da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6541da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6551da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6561da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6571da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6581da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6591da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6601da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6611da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 66240be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6631da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6641da177e4SLinus Torvalds 665c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 666c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 667f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 66888c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 66988c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 670f0358568SJohan Hedberg 6712aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6722aeb9a1aSJohan Hedberg 67355ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 67455ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 675d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 676d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 677c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 678c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 6799a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 6809a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 681c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 682c9839a11SVinicius Costa Gomes u8 addr_type); 683b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 684b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 68555ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 68655ed8ca1SJohan Hedberg 6872763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6882763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6892763eda6SSzymon Janc bdaddr_t *bdaddr); 6902763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6912763eda6SSzymon Janc u8 *randomizer); 6922763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6932763eda6SSzymon Janc 6941da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6951da177e4SLinus Torvalds 69676bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 697ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 69899811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 699ef222013SMarcel Holtmann 7000ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 701ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 702ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 703a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 704b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 705b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7061da177e4SLinus Torvalds 7076935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 71004837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 71104837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 71204837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 71304837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 7145b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 715769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 716e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 7176ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 7185e0452c0SAndre Guedes #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) 7191da177e4SLinus Torvalds 720eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 72159e29406SAndre Guedes #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) 722eead27daSAndre Guedes 7231da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 7245a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 7255a9d0a3fSWaldemar Rymarkiewicz __u8 type) 7261da177e4SLinus Torvalds { 727686ebf28SUlisses Furquim switch (type) { 728686ebf28SUlisses Furquim case ACL_LINK: 729686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 7301da177e4SLinus Torvalds 731686ebf28SUlisses Furquim case SCO_LINK: 732686ebf28SUlisses Furquim case ESCO_LINK: 733686ebf28SUlisses Furquim return sco_connect_ind(hdev, bdaddr); 7341da177e4SLinus Torvalds 735686ebf28SUlisses Furquim default: 736686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 737686ebf28SUlisses Furquim return -EINVAL; 738686ebf28SUlisses Furquim } 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7421da177e4SLinus Torvalds { 743686ebf28SUlisses Furquim switch (conn->type) { 744686ebf28SUlisses Furquim case ACL_LINK: 745686ebf28SUlisses Furquim case LE_LINK: 746686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 747686ebf28SUlisses Furquim break; 7481da177e4SLinus Torvalds 749686ebf28SUlisses Furquim case SCO_LINK: 750686ebf28SUlisses Furquim case ESCO_LINK: 751686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 752686ebf28SUlisses Furquim break; 7531da177e4SLinus Torvalds 754686ebf28SUlisses Furquim default: 755686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 756686ebf28SUlisses Furquim break; 757686ebf28SUlisses Furquim } 758e9a416b5SJohan Hedberg 759e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 760e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7611da177e4SLinus Torvalds } 7621da177e4SLinus Torvalds 7632950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7642950f21aSMarcel Holtmann { 765686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 766686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 7672950f21aSMarcel Holtmann 768686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 7692950f21aSMarcel Holtmann } 7702950f21aSMarcel Holtmann 7712950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7721da177e4SLinus Torvalds { 773686ebf28SUlisses Furquim switch (conn->type) { 774686ebf28SUlisses Furquim case ACL_LINK: 775686ebf28SUlisses Furquim case LE_LINK: 776686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 777686ebf28SUlisses Furquim break; 7781da177e4SLinus Torvalds 779686ebf28SUlisses Furquim case SCO_LINK: 780686ebf28SUlisses Furquim case ESCO_LINK: 781686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 782686ebf28SUlisses Furquim break; 7831da177e4SLinus Torvalds 784686ebf28SUlisses Furquim default: 785686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 786686ebf28SUlisses Furquim break; 787686ebf28SUlisses Furquim } 788e9a416b5SJohan Hedberg 789e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 790e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7911da177e4SLinus Torvalds } 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7941da177e4SLinus Torvalds { 7958c1b2355SMarcel Holtmann __u8 encrypt; 7968c1b2355SMarcel Holtmann 797686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 798686ebf28SUlisses Furquim return; 799686ebf28SUlisses Furquim 80051a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8018c1b2355SMarcel Holtmann return; 8028c1b2355SMarcel Holtmann 8038c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 804686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 805e9a416b5SJohan Hedberg 806e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 807e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8081da177e4SLinus Torvalds } 8091da177e4SLinus Torvalds 8105a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8115a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8121da177e4SLinus Torvalds { 813686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 814686ebf28SUlisses Furquim return; 8151da177e4SLinus Torvalds 816686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 817e9a416b5SJohan Hedberg 818e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 819e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8201da177e4SLinus Torvalds } 8211da177e4SLinus Torvalds 8221da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 8231da177e4SLinus Torvalds struct hci_cb { 8241da177e4SLinus Torvalds struct list_head list; 8251da177e4SLinus Torvalds 8261da177e4SLinus Torvalds char *name; 8271da177e4SLinus Torvalds 8285a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 8295a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 8301da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 8311da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8321da177e4SLinus Torvalds }; 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8351da177e4SLinus Torvalds { 8361da177e4SLinus Torvalds struct list_head *p; 8378c1b2355SMarcel Holtmann __u8 encrypt; 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8401da177e4SLinus Torvalds 84151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8428c1b2355SMarcel Holtmann return; 8438c1b2355SMarcel Holtmann 8448c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8458c1b2355SMarcel Holtmann 846f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8471da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8481da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8498c1b2355SMarcel Holtmann if (cb->security_cfm) 8508c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8511da177e4SLinus Torvalds } 852f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8531da177e4SLinus Torvalds } 8541da177e4SLinus Torvalds 8555a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8565a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8571da177e4SLinus Torvalds { 8581da177e4SLinus Torvalds struct list_head *p; 8591da177e4SLinus Torvalds 860435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 861435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 862435fef20SMarcel Holtmann 86388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 86488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 86588167aedSVinicius Costa Gomes 8669719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8671da177e4SLinus Torvalds 868f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8691da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8701da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8718c1b2355SMarcel Holtmann if (cb->security_cfm) 8728c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8731da177e4SLinus Torvalds } 874f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8781da177e4SLinus Torvalds { 8791da177e4SLinus Torvalds struct list_head *p; 8801da177e4SLinus Torvalds 881f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8821da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8831da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8841da177e4SLinus Torvalds if (cb->key_change_cfm) 8851da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8861da177e4SLinus Torvalds } 887f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8881da177e4SLinus Torvalds } 8891da177e4SLinus Torvalds 8905a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8915a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8921da177e4SLinus Torvalds { 8931da177e4SLinus Torvalds struct list_head *p; 8941da177e4SLinus Torvalds 895f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8961da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8971da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8981da177e4SLinus Torvalds if (cb->role_switch_cfm) 8991da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9001da177e4SLinus Torvalds } 901f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9021da177e4SLinus Torvalds } 9031da177e4SLinus Torvalds 9046759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9056759a675SJohan Hedberg { 90684d9d071SJohan Hedberg size_t parsed = 0; 9076759a675SJohan Hedberg 9086c0c331eSJohan Hedberg if (data_len < 2) 9096c0c331eSJohan Hedberg return false; 9106c0c331eSJohan Hedberg 91184d9d071SJohan Hedberg while (parsed < data_len - 1) { 91284d9d071SJohan Hedberg u8 field_len = data[0]; 9136759a675SJohan Hedberg 9146759a675SJohan Hedberg if (field_len == 0) 9156759a675SJohan Hedberg break; 9166759a675SJohan Hedberg 9176759a675SJohan Hedberg parsed += field_len + 1; 9186759a675SJohan Hedberg 9196759a675SJohan Hedberg if (parsed > data_len) 9206759a675SJohan Hedberg break; 9216759a675SJohan Hedberg 9226759a675SJohan Hedberg if (data[1] == type) 9236759a675SJohan Hedberg return true; 9246759a675SJohan Hedberg 9256759a675SJohan Hedberg data += field_len + 1; 9266759a675SJohan Hedberg } 9276759a675SJohan Hedberg 9286759a675SJohan Hedberg return false; 9296759a675SJohan Hedberg } 9306759a675SJohan Hedberg 9319d939d94SVishal Agarwal static inline size_t eir_get_length(u8 *eir, size_t eir_len) 9329d939d94SVishal Agarwal { 9339d939d94SVishal Agarwal size_t parsed = 0; 9349d939d94SVishal Agarwal 9359d939d94SVishal Agarwal while (parsed < eir_len) { 9369d939d94SVishal Agarwal u8 field_len = eir[0]; 9379d939d94SVishal Agarwal 9389d939d94SVishal Agarwal if (field_len == 0) 9399d939d94SVishal Agarwal return parsed; 9409d939d94SVishal Agarwal 9419d939d94SVishal Agarwal parsed += field_len + 1; 9429d939d94SVishal Agarwal eir += field_len + 1; 9439d939d94SVishal Agarwal } 9449d939d94SVishal Agarwal 9459d939d94SVishal Agarwal return eir_len; 9469d939d94SVishal Agarwal } 9479d939d94SVishal Agarwal 9481dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 9491dc06093SJohan Hedberg u8 data_len) 9501dc06093SJohan Hedberg { 9511dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 9521dc06093SJohan Hedberg eir[eir_len++] = type; 9531dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 9541dc06093SJohan Hedberg eir_len += data_len; 9551dc06093SJohan Hedberg 9561dc06093SJohan Hedberg return eir_len; 9571dc06093SJohan Hedberg } 9581dc06093SJohan Hedberg 9591da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 9601da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 9611da177e4SLinus Torvalds 962a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 96373d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 9640d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 9651da177e4SLinus Torvalds 966a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9671da177e4SLinus Torvalds 9681da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 969470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 970470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 971cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 9721da177e4SLinus Torvalds 973040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 974040030efSMarcel Holtmann 9750381101fSJohan Hedberg /* Management interface */ 976591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 977591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 978591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 979591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 980591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 981591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 982f39799f5SAndre Guedes 9830381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 984744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 985744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 986744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 987744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 988744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 989744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 990744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 991745c0ce3SVishal Agarwal bool persistent); 992afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 99304124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 99404124681SGustavo F. Padovan u8 *dev_class); 995afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 996afc747a6SJohan Hedberg u8 link_type, u8 addr_type); 99788c3df13SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 99888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 99948264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 100048264f06SJohan Hedberg u8 addr_type, u8 status); 1001744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1002744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1003c35938b2SSzymon Janc u8 status); 1004744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1005744cf19eSJohan Hedberg u8 status); 1006744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1007272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1008272d90dfSJohan Hedberg u8 confirm_hint); 1009744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1010272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1011272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1012272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1013272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1014272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1015604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1016272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1017272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1018272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1019bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1020bab73cb6SJohan Hedberg u8 addr_type, u8 status); 102133ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1022c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 10237f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 10247f9a903cSMarcel Holtmann u8 status); 1025744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1026744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1027744cf19eSJohan Hedberg u8 *randomizer, u8 status); 102806199cf8SJohan Hedberg int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 102948264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 103004124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 103104124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 1032b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1033b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 10347a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 1035e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 1036744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 10375e0452c0SAndre Guedes int mgmt_interleaved_discovery(struct hci_dev *hdev); 103888c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 103988c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 10400381101fSJohan Hedberg 1041346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 1042346af67bSVinicius Costa Gomes 10431da177e4SLinus Torvalds /* HCI info for socket */ 10441da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvalds struct hci_pinfo { 10471da177e4SLinus Torvalds struct bt_sock bt; 10481da177e4SLinus Torvalds struct hci_dev *hdev; 10491da177e4SLinus Torvalds struct hci_filter filter; 10501da177e4SLinus Torvalds __u32 cmsg_mask; 1051c02178d2SJohan Hedberg unsigned short channel; 10521da177e4SLinus Torvalds }; 10531da177e4SLinus Torvalds 10541da177e4SLinus Torvalds /* HCI security filter */ 10551da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 10561da177e4SLinus Torvalds 10571da177e4SLinus Torvalds struct hci_sec_filter { 10581da177e4SLinus Torvalds __u32 type_mask; 10591da177e4SLinus Torvalds __u32 event_mask[2]; 10601da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 10611da177e4SLinus Torvalds }; 10621da177e4SLinus Torvalds 10631da177e4SLinus Torvalds /* ----- HCI requests ----- */ 10641da177e4SLinus Torvalds #define HCI_REQ_DONE 0 10651da177e4SLinus Torvalds #define HCI_REQ_PEND 1 10661da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 10671da177e4SLinus Torvalds 1068a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1069a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 10701da177e4SLinus Torvalds 107123bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 10721da177e4SLinus Torvalds 10732ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 10742ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1075a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1076a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 10772519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 1078023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 107928b75a89SAndre Guedes int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, 108028b75a89SAndre Guedes int timeout); 10817dbfac1dSAndre Guedes int hci_cancel_le_scan(struct hci_dev *hdev); 10822519a1fcSAndre Guedes 108331f7956cSAndre Guedes u8 bdaddr_to_le(u8 bdaddr_type); 108431f7956cSAndre Guedes 10851da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1086