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 28e5e1e7fdSMiao-chen Chou #include <linux/idr.h> 296d5d2ee6SHeiner Kallweit #include <linux/leds.h> 30b2d09103SIngo Molnar #include <linux/rculist.h> 31b2d09103SIngo Molnar 321da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 336a98e383SMarcel Holtmann #include <net/bluetooth/hci_sync.h> 34f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 351da177e4SLinus Torvalds 365e59b791SLuiz Augusto von Dentz /* HCI priority */ 375e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 385e59b791SLuiz Augusto von Dentz 391da177e4SLinus Torvalds /* HCI Core structures */ 401da177e4SLinus Torvalds struct inquiry_data { 411da177e4SLinus Torvalds bdaddr_t bdaddr; 421da177e4SLinus Torvalds __u8 pscan_rep_mode; 431da177e4SLinus Torvalds __u8 pscan_period_mode; 441da177e4SLinus Torvalds __u8 pscan_mode; 451da177e4SLinus Torvalds __u8 dev_class[3]; 461ebb9252SMarcel Holtmann __le16 clock_offset; 471da177e4SLinus Torvalds __s8 rssi; 4841a96212SMarcel Holtmann __u8 ssp_mode; 491da177e4SLinus Torvalds }; 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds struct inquiry_entry { 52561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 53561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 54561aafbcSJohan Hedberg enum { 55561aafbcSJohan Hedberg NAME_NOT_KNOWN, 56561aafbcSJohan Hedberg NAME_NEEDED, 57561aafbcSJohan Hedberg NAME_PENDING, 58561aafbcSJohan Hedberg NAME_KNOWN, 59561aafbcSJohan Hedberg } name_state; 601da177e4SLinus Torvalds __u32 timestamp; 611da177e4SLinus Torvalds struct inquiry_data data; 621da177e4SLinus Torvalds }; 631da177e4SLinus Torvalds 6430883512SJohan Hedberg struct discovery_state { 654aab14e5SAndre Guedes int type; 66ff9ef578SJohan Hedberg enum { 67ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 68ff9ef578SJohan Hedberg DISCOVERY_STARTING, 69343f935bSAndre Guedes DISCOVERY_FINDING, 7030dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 71ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 72ff9ef578SJohan Hedberg } state; 73561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 74561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 75561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 761da177e4SLinus Torvalds __u32 timestamp; 77b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 78b9a6328fSJohan Hedberg u8 last_adv_addr_type; 79ff5cd29fSJohan Hedberg s8 last_adv_rssi; 80c70a7e4cSMarcel Holtmann u32 last_adv_flags; 81b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 82b9a6328fSJohan Hedberg u8 last_adv_data_len; 83da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8482f8b651SJakub Pawlowski bool result_filtering; 8578b781caSJohan Hedberg bool limited; 8637eab042SJakub Pawlowski s8 rssi; 8737eab042SJakub Pawlowski u16 uuid_count; 8837eab042SJakub Pawlowski u8 (*uuids)[16]; 892d28cfe7SJakub Pawlowski unsigned long scan_start; 902d28cfe7SJakub Pawlowski unsigned long scan_duration; 91dbf6811aSArchie Pusaka unsigned long name_resolve_timeout; 921da177e4SLinus Torvalds }; 931da177e4SLinus Torvalds 949952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 959952d90eSAbhishek Pandit-Subedi 969952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 974867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 984867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 994867bd00SAbhishek Pandit-Subedi 1004867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 1014867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 1024867bd00SAbhishek Pandit-Subedi 1034f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1044f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1054f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1064f40afc6SAbhishek Pandit-Subedi 1079952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1089952d90eSAbhishek Pandit-Subedi 1099952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 110bf6a4e30SHoward Chung 111bf6a4e30SHoward Chung SUSPEND_SET_ADV_FILTER, 1129952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1139952d90eSAbhishek Pandit-Subedi }; 1149952d90eSAbhishek Pandit-Subedi 1159952d90eSAbhishek Pandit-Subedi enum suspended_state { 1169952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1174f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1180d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1199952d90eSAbhishek Pandit-Subedi }; 1209952d90eSAbhishek Pandit-Subedi 1211da177e4SLinus Torvalds struct hci_conn_hash { 1221da177e4SLinus Torvalds struct list_head list; 1231da177e4SLinus Torvalds unsigned int acl_num; 124bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1251da177e4SLinus Torvalds unsigned int sco_num; 126fcd89c09SVille Tervo unsigned int le_num; 12739bc74caSArchie Pusaka unsigned int le_num_peripheral; 1281da177e4SLinus Torvalds }; 1291da177e4SLinus Torvalds 130f0358568SJohan Hedberg struct bdaddr_list { 131f0358568SJohan Hedberg struct list_head list; 132f0358568SJohan Hedberg bdaddr_t bdaddr; 133b9ee0a78SMarcel Holtmann u8 bdaddr_type; 134f0358568SJohan Hedberg }; 1352aeb9a1aSJohan Hedberg 1368961987fSKiran K struct codec_list { 1378961987fSKiran K struct list_head list; 1388961987fSKiran K u8 id; 1398961987fSKiran K __u16 cid; 1408961987fSKiran K __u16 vid; 1418961987fSKiran K u8 transport; 1428961987fSKiran K u8 num_caps; 1438961987fSKiran K u32 len; 1448961987fSKiran K struct hci_codec_caps caps[]; 1458961987fSKiran K }; 1468961987fSKiran K 147b950aa88SAnkit Navik struct bdaddr_list_with_irk { 148b950aa88SAnkit Navik struct list_head list; 149b950aa88SAnkit Navik bdaddr_t bdaddr; 150b950aa88SAnkit Navik u8 bdaddr_type; 151b950aa88SAnkit Navik u8 peer_irk[16]; 152b950aa88SAnkit Navik u8 local_irk[16]; 153b950aa88SAnkit Navik }; 154b950aa88SAnkit Navik 155fe92ee64SLuiz Augusto von Dentz enum hci_conn_flags { 156fe92ee64SLuiz Augusto von Dentz HCI_CONN_FLAG_REMOTE_WAKEUP, 1576126ffabSLuiz Augusto von Dentz HCI_CONN_FLAG_DEVICE_PRIVACY, 158fe92ee64SLuiz Augusto von Dentz 159fe92ee64SLuiz Augusto von Dentz __HCI_CONN_NUM_FLAGS, 160fe92ee64SLuiz Augusto von Dentz }; 161fe92ee64SLuiz Augusto von Dentz 162fe92ee64SLuiz Augusto von Dentz /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 163fe92ee64SLuiz Augusto von Dentz static_assert(__HCI_CONN_NUM_FLAGS < 32); 164fe92ee64SLuiz Augusto von Dentz 1658baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1668baaa403SAbhishek Pandit-Subedi struct list_head list; 1678baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1688baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 169fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS); 1708baaa403SAbhishek Pandit-Subedi }; 1718baaa403SAbhishek Pandit-Subedi 1722aeb9a1aSJohan Hedberg struct bt_uuid { 1732aeb9a1aSJohan Hedberg struct list_head list; 1742aeb9a1aSJohan Hedberg u8 uuid[16]; 17583be8ecaSJohan Hedberg u8 size; 1761aff6f09SJohan Hedberg u8 svc_hint; 1772aeb9a1aSJohan Hedberg }; 1782aeb9a1aSJohan Hedberg 179600a8749SAlain Michaud struct blocked_key { 180600a8749SAlain Michaud struct list_head list; 181600a8749SAlain Michaud struct rcu_head rcu; 182600a8749SAlain Michaud u8 type; 183600a8749SAlain Michaud u8 val[16]; 184600a8749SAlain Michaud }; 185600a8749SAlain Michaud 1867ee4ea36SMarcel Holtmann struct smp_csrk { 1877ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1887ee4ea36SMarcel Holtmann u8 bdaddr_type; 1894cd3928aSJohan Hedberg u8 type; 1907ee4ea36SMarcel Holtmann u8 val[16]; 1917ee4ea36SMarcel Holtmann }; 1927ee4ea36SMarcel Holtmann 193b899efafSVinicius Costa Gomes struct smp_ltk { 194b899efafSVinicius Costa Gomes struct list_head list; 195970d0f1bSJohan Hedberg struct rcu_head rcu; 196b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 197b899efafSVinicius Costa Gomes u8 bdaddr_type; 198b899efafSVinicius Costa Gomes u8 authenticated; 199b899efafSVinicius Costa Gomes u8 type; 200b899efafSVinicius Costa Gomes u8 enc_size; 201b899efafSVinicius Costa Gomes __le16 ediv; 202fe39c7b2SMarcel Holtmann __le64 rand; 203b899efafSVinicius Costa Gomes u8 val[16]; 20403c515d7SMarcel Holtmann }; 205b899efafSVinicius Costa Gomes 206970c4e46SJohan Hedberg struct smp_irk { 207970c4e46SJohan Hedberg struct list_head list; 208adae20cbSJohan Hedberg struct rcu_head rcu; 209970c4e46SJohan Hedberg bdaddr_t rpa; 210970c4e46SJohan Hedberg bdaddr_t bdaddr; 211970c4e46SJohan Hedberg u8 addr_type; 212970c4e46SJohan Hedberg u8 val[16]; 213970c4e46SJohan Hedberg }; 214970c4e46SJohan Hedberg 21555ed8ca1SJohan Hedberg struct link_key { 21655ed8ca1SJohan Hedberg struct list_head list; 2170378b597SJohan Hedberg struct rcu_head rcu; 21855ed8ca1SJohan Hedberg bdaddr_t bdaddr; 21955ed8ca1SJohan Hedberg u8 type; 2209b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 22155ed8ca1SJohan Hedberg u8 pin_len; 22255ed8ca1SJohan Hedberg }; 22355ed8ca1SJohan Hedberg 2242763eda6SSzymon Janc struct oob_data { 2252763eda6SSzymon Janc struct list_head list; 2262763eda6SSzymon Janc bdaddr_t bdaddr; 2276928a924SJohan Hedberg u8 bdaddr_type; 228f7697b16SMarcel Holtmann u8 present; 229519ca9d0SMarcel Holtmann u8 hash192[16]; 23038da1703SJohan Hedberg u8 rand192[16]; 231519ca9d0SMarcel Holtmann u8 hash256[16]; 23238da1703SJohan Hedberg u8 rand256[16]; 2332763eda6SSzymon Janc }; 2342763eda6SSzymon Janc 235203fea01SArman Uguray struct adv_info { 236d2609b34SFlorian Grandel struct list_head list; 23710279313SLuiz Augusto von Dentz bool enabled; 238fffd38bcSFlorian Grandel bool pending; 239203fea01SArman Uguray __u8 instance; 240203fea01SArman Uguray __u32 flags; 241912098a6SArman Uguray __u16 timeout; 2425d900e46SFlorian Grandel __u16 remaining_time; 243d2609b34SFlorian Grandel __u16 duration; 244203fea01SArman Uguray __u16 adv_data_len; 245c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 246203fea01SArman Uguray __u16 scan_rsp_len; 247c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 248de181e88SJaganath Kanakkassery __s8 tx_power; 2499bf9f4b6SDaniel Winkler __u32 min_interval; 2509bf9f4b6SDaniel Winkler __u32 max_interval; 251a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 252a73c046aSJaganath Kanakkassery bool rpa_expired; 253a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 254203fea01SArman Uguray }; 255203fea01SArman Uguray 256db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 257d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 258d2609b34SFlorian Grandel 25912410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26012410572SDaniel Winkler 2613368aa35SManish Mandlik struct monitored_device { 2623368aa35SManish Mandlik struct list_head list; 2633368aa35SManish Mandlik 2643368aa35SManish Mandlik bdaddr_t bdaddr; 2653368aa35SManish Mandlik __u8 addr_type; 2663368aa35SManish Mandlik __u16 handle; 2673368aa35SManish Mandlik bool notified; 2683368aa35SManish Mandlik }; 2693368aa35SManish Mandlik 270e5e1e7fdSMiao-chen Chou struct adv_pattern { 271e5e1e7fdSMiao-chen Chou struct list_head list; 272e5e1e7fdSMiao-chen Chou __u8 ad_type; 273e5e1e7fdSMiao-chen Chou __u8 offset; 274e5e1e7fdSMiao-chen Chou __u8 length; 275e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 276e5e1e7fdSMiao-chen Chou }; 277e5e1e7fdSMiao-chen Chou 278b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 279b4a221eaSArchie Pusaka __s8 low_threshold; 280b4a221eaSArchie Pusaka __s8 high_threshold; 281b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 282b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 283b4a221eaSArchie Pusaka __u8 sampling_period; 284b4a221eaSArchie Pusaka }; 285b4a221eaSArchie Pusaka 286e5e1e7fdSMiao-chen Chou struct adv_monitor { 287e5e1e7fdSMiao-chen Chou struct list_head patterns; 288b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 289e5e1e7fdSMiao-chen Chou __u16 handle; 290a2a4dedfSArchie Pusaka 291a2a4dedfSArchie Pusaka enum { 292a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 293a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 294a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 295a2a4dedfSArchie Pusaka } state; 296e5e1e7fdSMiao-chen Chou }; 297e5e1e7fdSMiao-chen Chou 298e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 299e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 300e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 301a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 302a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 303e5e1e7fdSMiao-chen Chou 304490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 305490c5babSJohan Hedberg 306*d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_UNSET 0xffff 307*d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 308*d5ebaa7cSSoenke Huster 309d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 310d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 311d5bb334aSMarcel Holtmann 312d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 313d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 314d6bfd59cSJohan Hedberg 31531ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 31631ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 31731ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 318302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 319302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 32031ad1691SAndrzej Kaczmarek 321903e4541SAndrei Emeltchenko struct amp_assoc { 322903e4541SAndrei Emeltchenko __u16 len; 323903e4541SAndrei Emeltchenko __u16 offset; 32493c284eeSAndrei Emeltchenko __u16 rem_len; 32593c284eeSAndrei Emeltchenko __u16 len_so_far; 326903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 327903e4541SAndrei Emeltchenko }; 328903e4541SAndrei Emeltchenko 329d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 330cad718edSJohan Hedberg 3311da177e4SLinus Torvalds struct hci_dev { 3321da177e4SLinus Torvalds struct list_head list; 33309fd0de5SGustavo F. Padovan struct mutex lock; 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds char name[8]; 3361da177e4SLinus Torvalds unsigned long flags; 3371da177e4SLinus Torvalds __u16 id; 338c13854ceSMarcel Holtmann __u8 bus; 339943da25dSMarcel Holtmann __u8 dev_type; 3401da177e4SLinus Torvalds bdaddr_t bdaddr; 341e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 34224c457e2SMarcel Holtmann bdaddr_t public_addr; 3437a4cd51dSMarcel Holtmann bdaddr_t random_addr; 344d13eafceSMarcel Holtmann bdaddr_t static_addr; 34556ed2cb8SJohan Hedberg __u8 adv_addr_type; 3461f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 347490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 34880a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 349c4960ecfSMichał Narajowski __u16 appearance; 350a9de9248SMarcel Holtmann __u8 dev_class[3]; 3511aff6f09SJohan Hedberg __u8 major_class; 3521aff6f09SJohan Hedberg __u8 minor_class; 353d2c5d77fSJohan Hedberg __u8 max_page; 354cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 35560e77321SJohan Hedberg __u8 le_features[8]; 3563d4f9c00SArchie Pusaka __u8 le_accept_list_size; 357cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3586b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3599b008c04SJohan Hedberg __u8 le_states[8]; 360a9de9248SMarcel Holtmann __u8 commands[64]; 3611143e5a6SMarcel Holtmann __u8 hci_ver; 3621143e5a6SMarcel Holtmann __u16 hci_rev; 363d5859e22SJohan Hedberg __u8 lmp_ver; 3641143e5a6SMarcel Holtmann __u16 manufacturer; 3657d69230cSAndrei Emeltchenko __u16 lmp_subver; 3661da177e4SLinus Torvalds __u16 voice_setting; 367b4cb9fb2SMarcel Holtmann __u8 num_iac; 368e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 369e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 37017fa4b9dSJohan Hedberg __u8 io_capability; 37191c4e9b1SMarcel Holtmann __s8 inq_tx_power; 37200bce3fbSAlain Michaud __u8 err_data_reporting; 373f332ec66SJohan Hedberg __u16 page_scan_interval; 374f332ec66SJohan Hedberg __u16 page_scan_window; 375f332ec66SJohan Hedberg __u8 page_scan_type; 3763f959d46SMarcel Holtmann __u8 le_adv_channel_map; 377628531c9SGeorg Lukas __u16 le_adv_min_interval; 378628531c9SGeorg Lukas __u16 le_adv_max_interval; 379533553f8SMarcel Holtmann __u8 le_scan_type; 380bef64738SMarcel Holtmann __u16 le_scan_interval; 381bef64738SMarcel Holtmann __u16 le_scan_window; 38210873f99SAlain Michaud __u16 le_scan_int_suspend; 38310873f99SAlain Michaud __u16 le_scan_window_suspend; 38410873f99SAlain Michaud __u16 le_scan_int_discovery; 38510873f99SAlain Michaud __u16 le_scan_window_discovery; 38610873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 38710873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 38810873f99SAlain Michaud __u16 le_scan_int_connect; 38910873f99SAlain Michaud __u16 le_scan_window_connect; 3904e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3914e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 39204fb7d90SMarcel Holtmann __u16 le_conn_latency; 39304fb7d90SMarcel Holtmann __u16 le_supv_timeout; 394a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 395a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 396a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 397a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 398a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 399a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 40030d65e08SMatias Karhumaa __u8 le_max_key_size; 40130d65e08SMatias Karhumaa __u8 le_min_key_size; 402b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 40331ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 40431ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 405302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 40658a96fc3SMarcel Holtmann __u8 min_enc_key_size; 407a4790360SMarcel Holtmann __u8 max_enc_key_size; 408a4790360SMarcel Holtmann __u8 pairing_opts; 40906f5b778SMarcel Holtmann __u8 ssp_debug_mode; 410c7741d16SMarcel Holtmann __u8 hw_error_code; 41133f35721SJohan Hedberg __u32 clock; 412c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 413c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 41480af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 415f332ec66SJohan Hedberg 4162b9be137SMarcel Holtmann __u16 devid_source; 4172b9be137SMarcel Holtmann __u16 devid_vendor; 4182b9be137SMarcel Holtmann __u16 devid_product; 4192b9be137SMarcel Holtmann __u16 devid_version; 4201da177e4SLinus Torvalds 42110873f99SAlain Michaud __u8 def_page_scan_type; 42210873f99SAlain Michaud __u16 def_page_scan_int; 42310873f99SAlain Michaud __u16 def_page_scan_window; 42410873f99SAlain Michaud __u8 def_inq_scan_type; 42510873f99SAlain Michaud __u16 def_inq_scan_int; 42610873f99SAlain Michaud __u16 def_inq_scan_window; 42710873f99SAlain Michaud __u16 def_br_lsto; 42810873f99SAlain Michaud __u16 def_page_timeout; 42910873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 43049b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4317c395ea5SDaniel Winkler __s8 min_le_tx_power; 4327c395ea5SDaniel Winkler __s8 max_le_tx_power; 43310873f99SAlain Michaud 4341da177e4SLinus Torvalds __u16 pkt_type; 4355b7f9909SMarcel Holtmann __u16 esco_type; 4361da177e4SLinus Torvalds __u16 link_policy; 4371da177e4SLinus Torvalds __u16 link_mode; 4381da177e4SLinus Torvalds 43904837f64SMarcel Holtmann __u32 idle_timeout; 44004837f64SMarcel Holtmann __u16 sniff_min_interval; 44104837f64SMarcel Holtmann __u16 sniff_max_interval; 44204837f64SMarcel Holtmann 443928abaa7SAndrei Emeltchenko __u8 amp_status; 444928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 445928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 446928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 447928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 448928abaa7SAndrei Emeltchenko __u8 amp_type; 449928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 450928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 451928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 452928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 453928abaa7SAndrei Emeltchenko 454903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 455903e4541SAndrei Emeltchenko 4561e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4571e89cffbSAndrei Emeltchenko 4589f61656aSJohan Hedberg unsigned int auto_accept_delay; 4599f61656aSJohan Hedberg 4601da177e4SLinus Torvalds unsigned long quirks; 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds atomic_t cmd_cnt; 4631da177e4SLinus Torvalds unsigned int acl_cnt; 4641da177e4SLinus Torvalds unsigned int sco_cnt; 4656ed58ec5SVille Tervo unsigned int le_cnt; 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds unsigned int acl_mtu; 4681da177e4SLinus Torvalds unsigned int sco_mtu; 4696ed58ec5SVille Tervo unsigned int le_mtu; 4701da177e4SLinus Torvalds unsigned int acl_pkts; 4711da177e4SLinus Torvalds unsigned int sco_pkts; 4726ed58ec5SVille Tervo unsigned int le_pkts; 4731da177e4SLinus Torvalds 474350ee4cfSAndrei Emeltchenko __u16 block_len; 475350ee4cfSAndrei Emeltchenko __u16 block_mtu; 476350ee4cfSAndrei Emeltchenko __u16 num_blocks; 477350ee4cfSAndrei Emeltchenko __u16 block_cnt; 478350ee4cfSAndrei Emeltchenko 4791da177e4SLinus Torvalds unsigned long acl_last_tx; 4801da177e4SLinus Torvalds unsigned long sco_last_tx; 4816ed58ec5SVille Tervo unsigned long le_last_tx; 4821da177e4SLinus Torvalds 4836decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4846decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4856decb5b4SJaganath Kanakkassery 486f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4876ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 488f48fd9c8SMarcel Holtmann 489ab81cbf9SJohan Hedberg struct work_struct power_on; 4903243553fSJohan Hedberg struct delayed_work power_off; 491c7741d16SMarcel Holtmann struct work_struct error_reset; 4926a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 4936a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 4946a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 495744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 496ab81cbf9SJohan Hedberg 49716ab91abSJohan Hedberg __u16 discov_timeout; 49816ab91abSJohan Hedberg struct delayed_work discov_off; 49916ab91abSJohan Hedberg 5007d78525dSJohan Hedberg struct delayed_work service_cache; 5017d78525dSJohan Hedberg 50265cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 503de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 504b78752ccSMarcel Holtmann 505b78752ccSMarcel Holtmann struct work_struct rx_work; 506c347b765SGustavo F. Padovan struct work_struct cmd_work; 5073eff45eaSGustavo F. Padovan struct work_struct tx_work; 5081da177e4SLinus Torvalds 509e68f072bSJohan Hedberg struct work_struct discov_update; 51001b1cb87SJohan Hedberg struct work_struct scan_update; 5117c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5127c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5132e93e53bSJohan Hedberg 5141da177e4SLinus Torvalds struct sk_buff_head rx_q; 5151da177e4SLinus Torvalds struct sk_buff_head raw_q; 5161da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds struct sk_buff *sent_cmd; 5191da177e4SLinus Torvalds 520a6a67efdSThomas Gleixner struct mutex req_lock; 5211da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5221da177e4SLinus Torvalds __u32 req_status; 5231da177e4SLinus Torvalds __u32 req_result; 524f60cb305SJohan Hedberg struct sk_buff *req_skb; 525a5040efaSJohan Hedberg 52670db83c4SJohan Hedberg void *smp_data; 527ef8efe4bSJohan Hedberg void *smp_bredr_data; 5282e58ef3eSJohan Hedberg 52930883512SJohan Hedberg struct discovery_state discovery; 5309952d90eSAbhishek Pandit-Subedi 5314867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5324867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5334867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5344867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5354867bd00SAbhishek Pandit-Subedi 5369952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5379952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5389952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5394f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5404f40afc6SAbhishek Pandit-Subedi bool suspended; 5412f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5422f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5432f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5449952d90eSAbhishek Pandit-Subedi 5451da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5465c136e90SAndre Guedes 5475c136e90SAndre Guedes struct list_head mgmt_pending; 5483d4f9c00SArchie Pusaka struct list_head reject_list; 5493d4f9c00SArchie Pusaka struct list_head accept_list; 5502aeb9a1aSJohan Hedberg struct list_head uuids; 55155ed8ca1SJohan Hedberg struct list_head link_keys; 552b899efafSVinicius Costa Gomes struct list_head long_term_keys; 553970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5542763eda6SSzymon Janc struct list_head remote_oob_data; 5553d4f9c00SArchie Pusaka struct list_head le_accept_list; 556cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 55715819a70SAndre Guedes struct list_head le_conn_params; 55877a77a30SAndre Guedes struct list_head pend_le_conns; 55966f8455aSJohan Hedberg struct list_head pend_le_reports; 560600a8749SAlain Michaud struct list_head blocked_keys; 5618961987fSKiran K struct list_head local_codecs; 5622763eda6SSzymon Janc 5631da177e4SLinus Torvalds struct hci_dev_stats stat; 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds atomic_t promisc; 5661da177e4SLinus Torvalds 5675177a838SMarcel Holtmann const char *hw_info; 5685177a838SMarcel Holtmann const char *fw_info; 569ca325f69SMarcel Holtmann struct dentry *debugfs; 570ca325f69SMarcel Holtmann 571a91f2e39SMarcel Holtmann struct device dev; 5721da177e4SLinus Torvalds 573611b30f7SMarcel Holtmann struct rfkill *rfkill; 574611b30f7SMarcel Holtmann 575eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 576fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(conn_flags, __HCI_CONN_NUM_FLAGS); 577d23264a8SAndre Guedes 5788fa19098SJohan Hedberg __s8 adv_tx_power; 579c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5803f0f524bSJohan Hedberg __u8 adv_data_len; 581c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 582f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5838fa19098SJohan Hedberg 584d2609b34SFlorian Grandel struct list_head adv_instances; 585d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 586d2609b34SFlorian Grandel __u8 cur_adv_instance; 5875d900e46SFlorian Grandel __u16 adv_instance_timeout; 5885d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 589203fea01SArman Uguray 590e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 591e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 592e5e1e7fdSMiao-chen Chou 593863efaf2SJohan Hedberg __u8 irk[16]; 594d6bfd59cSJohan Hedberg __u32 rpa_timeout; 595d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5962b5224dcSMarcel Holtmann bdaddr_t rpa; 597863efaf2SJohan Hedberg 598c4f1f408SHoward Chung enum { 599c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 600c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 601c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 602c4f1f408SHoward Chung } interleave_scan_state; 603c4f1f408SHoward Chung 604c4f1f408SHoward Chung struct delayed_work interleave_scan; 605c4f1f408SHoward Chung 6063368aa35SManish Mandlik struct list_head monitored_devices; 6078d7f1677SManish Mandlik bool advmon_pend_notify; 6083368aa35SManish Mandlik 60953f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6106d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 61153f863a6SMarcel Holtmann #endif 6126d5d2ee6SHeiner Kallweit 613145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 614145373cbSMiao-chen Chou __u16 msft_opcode; 615145373cbSMiao-chen Chou void *msft_data; 616a61d6718SMarcel Holtmann bool msft_curve_validity; 617145373cbSMiao-chen Chou #endif 618145373cbSMiao-chen Chou 619f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 620f67743f9SMarcel Holtmann bool aosp_capable; 621749a6c59SJoseph Hwang bool aosp_quality_report; 622f67743f9SMarcel Holtmann #endif 623f67743f9SMarcel Holtmann 6241da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6251da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6261da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 627f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 628a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6297bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6301da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 631c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 63298a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6334b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 63424c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 635e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 6364539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 637ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 638248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6399798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6409798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6419798fbdeSKiran K __u8 **vnd_data); 6421da177e4SLinus Torvalds }; 6431da177e4SLinus Torvalds 64453502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 64553502d69SAndrei Emeltchenko 64676b13996SManish Mandlik enum conn_reasons { 64776b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 64876b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 64976b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 65076b13996SManish Mandlik }; 65176b13996SManish Mandlik 6521da177e4SLinus Torvalds struct hci_conn { 6531da177e4SLinus Torvalds struct list_head list; 6541da177e4SLinus Torvalds 6551da177e4SLinus Torvalds atomic_t refcnt; 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds bdaddr_t dst; 65829b7988aSAndre Guedes __u8 dst_type; 659662e8820SMarcel Holtmann bdaddr_t src; 660e7c4096eSMarcel Holtmann __u8 src_type; 661cb1d68f7SJohan Hedberg bdaddr_t init_addr; 662cb1d68f7SJohan Hedberg __u8 init_addr_type; 663cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 664cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6657087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6661da177e4SLinus Torvalds __u16 handle; 6671da177e4SLinus Torvalds __u16 state; 66804837f64SMarcel Holtmann __u8 mode; 6691da177e4SLinus Torvalds __u8 type; 67040bef302SJohan Hedberg __u8 role; 671a0c808b3SJohan Hedberg bool out; 6724c67bc74SMarcel Holtmann __u8 attempt; 6731da177e4SLinus Torvalds __u8 dev_class[3]; 674cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 675a8746417SMarcel Holtmann __u16 pkt_type; 67604837f64SMarcel Holtmann __u16 link_policy; 67713d39315SWaldemar Rymarkiewicz __u8 key_type; 67840be492fSMarcel Holtmann __u8 auth_type; 6798c1b2355SMarcel Holtmann __u8 sec_level; 680765c2a96SJohan Hedberg __u8 pending_sec_level; 681980e1a53SJohan Hedberg __u8 pin_length; 682726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 68317fa4b9dSJohan Hedberg __u8 io_capability; 68492a25256SJohan Hedberg __u32 passkey_notify; 68592a25256SJohan Hedberg __u8 passkey_entered; 686052b30b0SMarcel Holtmann __u16 disc_timeout; 68709ae260bSJohan Hedberg __u16 conn_timeout; 68810c62ddcSFrédéric Dalleau __u16 setting; 689302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6901e406eefSAndre Guedes __u16 le_conn_min_interval; 6911e406eefSAndre Guedes __u16 le_conn_max_interval; 692e04fde60SMarcel Holtmann __u16 le_conn_interval; 693e04fde60SMarcel Holtmann __u16 le_conn_latency; 694e04fde60SMarcel Holtmann __u16 le_supv_timeout; 695fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 696fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6971efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6981efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6995ae76a94SAndrzej Kaczmarek __s8 rssi; 7005a134faeSAndrzej Kaczmarek __s8 tx_power; 701d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 70251a8efd7SJohan Hedberg unsigned long flags; 7031da177e4SLinus Torvalds 70476b13996SManish Mandlik enum conn_reasons conn_reason; 70576b13996SManish Mandlik 70633f35721SJohan Hedberg __u32 clock; 70733f35721SJohan Hedberg __u16 clock_accuracy; 70833f35721SJohan Hedberg 709dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 710dd983808SAndrzej Kaczmarek 71103b555e1SJohan Hedberg __u8 remote_cap; 71203b555e1SJohan Hedberg __u8 remote_auth; 7133161ae1cSAndrei Emeltchenko __u8 remote_id; 71403b555e1SJohan Hedberg 7151da177e4SLinus Torvalds unsigned int sent; 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvalds struct sk_buff_head data_q; 7182c33c06aSGustavo F. Padovan struct list_head chan_list; 7191da177e4SLinus Torvalds 72019c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7217bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 722a74a84f6SJohan Hedberg struct delayed_work idle_work; 7239489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7248ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7251da177e4SLinus Torvalds 726b219e3acSMarcel Holtmann struct device dev; 72723b9ceb7SMarcel Holtmann struct dentry *debugfs; 728b219e3acSMarcel Holtmann 7291da177e4SLinus Torvalds struct hci_dev *hdev; 7301da177e4SLinus Torvalds void *l2cap_data; 7311da177e4SLinus Torvalds void *sco_data; 7329740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7331da177e4SLinus Torvalds 7341da177e4SLinus Torvalds struct hci_conn *link; 735b2af264aSKiran K struct bt_codec codec; 736e9a416b5SJohan Hedberg 737e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 738e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 739e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7401da177e4SLinus Torvalds }; 7411da177e4SLinus Torvalds 74273d80debSLuiz Augusto von Dentz struct hci_chan { 74373d80debSLuiz Augusto von Dentz struct list_head list; 74442c4e53eSAndrei Emeltchenko __u16 handle; 74573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 74673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 74773d80debSLuiz Augusto von Dentz unsigned int sent; 748168df8e5SMat Martineau __u8 state; 7495c4c8c95SArchie Pusaka bool amp; 75073d80debSLuiz Augusto von Dentz }; 75173d80debSLuiz Augusto von Dentz 75215819a70SAndre Guedes struct hci_conn_params { 75315819a70SAndre Guedes struct list_head list; 75493450c75SJohan Hedberg struct list_head action; 75515819a70SAndre Guedes 75615819a70SAndre Guedes bdaddr_t addr; 75715819a70SAndre Guedes u8 addr_type; 75815819a70SAndre Guedes 75915819a70SAndre Guedes u16 conn_min_interval; 76015819a70SAndre Guedes u16 conn_max_interval; 761f044eb05SMarcel Holtmann u16 conn_latency; 762f044eb05SMarcel Holtmann u16 supervision_timeout; 7639fcb18efSAndre Guedes 7649fcb18efSAndre Guedes enum { 7659fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 766a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7674b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7689fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7699fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 770158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7719fcb18efSAndre Guedes } auto_connect; 772f161dd41SJohan Hedberg 773f161dd41SJohan Hedberg struct hci_conn *conn; 774158e9218SJakub Pawlowski bool explicit_connect; 775fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS); 776853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 77715819a70SAndre Guedes }; 77815819a70SAndre Guedes 7791da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7801da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7811da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 782fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7831da177e4SLinus Torvalds 784eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 785eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 786eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 787eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 788eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 789eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 790eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 791d7a5a11dSMarcel Holtmann 792eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 793eacb44dfSMarcel Holtmann do { \ 794eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 795eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7962eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 797eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 798ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 799eacb44dfSMarcel Holtmann } while (0) 800516018a9SMarcel Holtmann 8014fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8024fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8034fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8044fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8054fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8064fc9857aSLuiz Augusto von Dentz 807686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 808e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 809e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8109b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 811686ebf28SUlisses Furquim 812ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 813e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8149b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 815ff50e8afSArron Wang #else 816ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 817ff50e8afSArron Wang __u8 *flags) 818ff50e8afSArron Wang { 819ff50e8afSArron Wang return 0; 820ff50e8afSArron Wang } 821ff50e8afSArron Wang 822ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 823ff50e8afSArron Wang { 824ff50e8afSArron Wang } 825ff50e8afSArron Wang #endif 826686ebf28SUlisses Furquim 8271da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 82870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 82970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8301da177e4SLinus Torvalds 83130883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8321da177e4SLinus Torvalds { 833ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 83430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 83530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 83630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 837da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 83837eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8391da177e4SLinus Torvalds } 8401da177e4SLinus Torvalds 8410256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8420256325eSMarcel Holtmann { 84382f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 844da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8450256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8460256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8470256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8480256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8492d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8502d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8510256325eSMarcel Holtmann } 8520256325eSMarcel Holtmann 85330dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 85430dc78e1SJohan Hedberg 855ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 856ff9ef578SJohan Hedberg 8571da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8581da177e4SLinus Torvalds { 85930883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8601da177e4SLinus Torvalds } 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8631da177e4SLinus Torvalds { 86430883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8651da177e4SLinus Torvalds return jiffies - c->timestamp; 8661da177e4SLinus Torvalds } 8671da177e4SLinus Torvalds 8681da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8691da177e4SLinus Torvalds { 8701da177e4SLinus Torvalds return jiffies - e->timestamp; 8711da177e4SLinus Torvalds } 8721da177e4SLinus Torvalds 8735a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8745a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 875561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 876561aafbcSJohan Hedberg bdaddr_t *bdaddr); 87730dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 87830dc78e1SJohan Hedberg bdaddr_t *bdaddr, 87930dc78e1SJohan Hedberg int state); 880a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 881a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 882af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 883af58925cSMarcel Holtmann bool name_known); 8841f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8871da177e4SLinus Torvalds enum { 8881da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 88919f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8901da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 89104837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 89204837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 893e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 894b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 89558a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 896eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 897abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 89858a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 899af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9004dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9014dae2798SJohan Hedberg HCI_CONN_AUTH, 9024dae2798SJohan Hedberg HCI_CONN_SECURE, 9034dae2798SJohan Hedberg HCI_CONN_FIPS, 904fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 905977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 906f94b665dSJohan Hedberg HCI_CONN_DROP, 90789cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 908fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 909158e9218SJakub Pawlowski HCI_CONN_SCANNING, 910160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 9111da177e4SLinus Torvalds }; 9121da177e4SLinus Torvalds 913aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 914aa64a8b5SJohan Hedberg { 915aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 916d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 917c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 918aa64a8b5SJohan Hedberg } 919aa64a8b5SJohan Hedberg 920eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 921eb9a8f3fSMarcel Holtmann { 922eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 923d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 924eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 925eb9a8f3fSMarcel Holtmann } 926eb9a8f3fSMarcel Holtmann 9271da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9281da177e4SLinus Torvalds { 9291da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 930bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 931fcd89c09SVille Tervo switch (c->type) { 932fcd89c09SVille Tervo case ACL_LINK: 9331da177e4SLinus Torvalds h->acl_num++; 934fcd89c09SVille Tervo break; 935bd1eb66bSAndrei Emeltchenko case AMP_LINK: 936bd1eb66bSAndrei Emeltchenko h->amp_num++; 937bd1eb66bSAndrei Emeltchenko break; 938fcd89c09SVille Tervo case LE_LINK: 939fcd89c09SVille Tervo h->le_num++; 940f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 94139bc74caSArchie Pusaka h->le_num_peripheral++; 942fcd89c09SVille Tervo break; 943fcd89c09SVille Tervo case SCO_LINK: 944fcd89c09SVille Tervo case ESCO_LINK: 9451da177e4SLinus Torvalds h->sco_num++; 946fcd89c09SVille Tervo break; 947fcd89c09SVille Tervo } 9481da177e4SLinus Torvalds } 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9511da177e4SLinus Torvalds { 9521da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 953bf4c6325SGustavo F. Padovan 954bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 955bf4c6325SGustavo F. Padovan synchronize_rcu(); 956bf4c6325SGustavo F. Padovan 957fcd89c09SVille Tervo switch (c->type) { 958fcd89c09SVille Tervo case ACL_LINK: 9591da177e4SLinus Torvalds h->acl_num--; 960fcd89c09SVille Tervo break; 961bd1eb66bSAndrei Emeltchenko case AMP_LINK: 962bd1eb66bSAndrei Emeltchenko h->amp_num--; 963bd1eb66bSAndrei Emeltchenko break; 964fcd89c09SVille Tervo case LE_LINK: 965fcd89c09SVille Tervo h->le_num--; 966f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 96739bc74caSArchie Pusaka h->le_num_peripheral--; 968fcd89c09SVille Tervo break; 969fcd89c09SVille Tervo case SCO_LINK: 970fcd89c09SVille Tervo case ESCO_LINK: 9711da177e4SLinus Torvalds h->sco_num--; 972fcd89c09SVille Tervo break; 973fcd89c09SVille Tervo } 9741da177e4SLinus Torvalds } 9751da177e4SLinus Torvalds 97652087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 97752087a79SLuiz Augusto von Dentz { 97852087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 97952087a79SLuiz Augusto von Dentz switch (type) { 98052087a79SLuiz Augusto von Dentz case ACL_LINK: 98152087a79SLuiz Augusto von Dentz return h->acl_num; 982bd1eb66bSAndrei Emeltchenko case AMP_LINK: 983bd1eb66bSAndrei Emeltchenko return h->amp_num; 98452087a79SLuiz Augusto von Dentz case LE_LINK: 98552087a79SLuiz Augusto von Dentz return h->le_num; 98652087a79SLuiz Augusto von Dentz case SCO_LINK: 98752087a79SLuiz Augusto von Dentz case ESCO_LINK: 98852087a79SLuiz Augusto von Dentz return h->sco_num; 98952087a79SLuiz Augusto von Dentz default: 99052087a79SLuiz Augusto von Dentz return 0; 99152087a79SLuiz Augusto von Dentz } 99252087a79SLuiz Augusto von Dentz } 99352087a79SLuiz Augusto von Dentz 994f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 995f4f07505SJohan Hedberg { 996f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 997f4f07505SJohan Hedberg 998f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 999f4f07505SJohan Hedberg } 1000f4f07505SJohan Hedberg 1001845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1002845472e8SMarcel Holtmann { 1003845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1004845472e8SMarcel Holtmann struct hci_conn *c; 1005845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1006845472e8SMarcel Holtmann 1007845472e8SMarcel Holtmann rcu_read_lock(); 1008845472e8SMarcel Holtmann 1009845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1010845472e8SMarcel Holtmann if (c->handle == handle) { 1011845472e8SMarcel Holtmann type = c->type; 1012845472e8SMarcel Holtmann break; 1013845472e8SMarcel Holtmann } 1014845472e8SMarcel Holtmann } 1015845472e8SMarcel Holtmann 1016845472e8SMarcel Holtmann rcu_read_unlock(); 1017845472e8SMarcel Holtmann 1018845472e8SMarcel Holtmann return type; 1019845472e8SMarcel Holtmann } 1020845472e8SMarcel Holtmann 10211da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 10221da177e4SLinus Torvalds __u16 handle) 10231da177e4SLinus Torvalds { 10241da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10251da177e4SLinus Torvalds struct hci_conn *c; 10261da177e4SLinus Torvalds 1027bf4c6325SGustavo F. Padovan rcu_read_lock(); 1028bf4c6325SGustavo F. Padovan 1029bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1030bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1031bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10321da177e4SLinus Torvalds return c; 10331da177e4SLinus Torvalds } 1034bf4c6325SGustavo F. Padovan } 1035bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1036bf4c6325SGustavo F. Padovan 10371da177e4SLinus Torvalds return NULL; 10381da177e4SLinus Torvalds } 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 10411da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 10421da177e4SLinus Torvalds { 10431da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10441da177e4SLinus Torvalds struct hci_conn *c; 10451da177e4SLinus Torvalds 1046bf4c6325SGustavo F. Padovan rcu_read_lock(); 1047bf4c6325SGustavo F. Padovan 1048bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1049bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1050bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10511da177e4SLinus Torvalds return c; 10521da177e4SLinus Torvalds } 1053bf4c6325SGustavo F. Padovan } 1054bf4c6325SGustavo F. Padovan 1055bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1056bf4c6325SGustavo F. Padovan 10571da177e4SLinus Torvalds return NULL; 10581da177e4SLinus Torvalds } 10591da177e4SLinus Torvalds 10601b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10611b51c7b6SJohan Hedberg bdaddr_t *ba, 10621b51c7b6SJohan Hedberg __u8 ba_type) 10631b51c7b6SJohan Hedberg { 10641b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10651b51c7b6SJohan Hedberg struct hci_conn *c; 10661b51c7b6SJohan Hedberg 10671b51c7b6SJohan Hedberg rcu_read_lock(); 10681b51c7b6SJohan Hedberg 10691b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10701b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10711b51c7b6SJohan Hedberg continue; 10721b51c7b6SJohan Hedberg 10731b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10741b51c7b6SJohan Hedberg rcu_read_unlock(); 10751b51c7b6SJohan Hedberg return c; 10761b51c7b6SJohan Hedberg } 10771b51c7b6SJohan Hedberg } 10781b51c7b6SJohan Hedberg 10791b51c7b6SJohan Hedberg rcu_read_unlock(); 10801b51c7b6SJohan Hedberg 10811b51c7b6SJohan Hedberg return NULL; 10821b51c7b6SJohan Hedberg } 10831b51c7b6SJohan Hedberg 10844c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10854c67bc74SMarcel Holtmann __u8 type, __u16 state) 10864c67bc74SMarcel Holtmann { 10874c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10884c67bc74SMarcel Holtmann struct hci_conn *c; 10894c67bc74SMarcel Holtmann 1090bf4c6325SGustavo F. Padovan rcu_read_lock(); 1091bf4c6325SGustavo F. Padovan 1092bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1093bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1094bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10954c67bc74SMarcel Holtmann return c; 10964c67bc74SMarcel Holtmann } 1097bf4c6325SGustavo F. Padovan } 1098bf4c6325SGustavo F. Padovan 1099bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1100bf4c6325SGustavo F. Padovan 11014c67bc74SMarcel Holtmann return NULL; 11024c67bc74SMarcel Holtmann } 11034c67bc74SMarcel Holtmann 1104e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1105e7d9ab73SJakub Pawlowski { 1106e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1107e7d9ab73SJakub Pawlowski struct hci_conn *c; 1108e7d9ab73SJakub Pawlowski 1109e7d9ab73SJakub Pawlowski rcu_read_lock(); 1110e7d9ab73SJakub Pawlowski 1111e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1112e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1113e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1114e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1115e7d9ab73SJakub Pawlowski return c; 1116e7d9ab73SJakub Pawlowski } 1117e7d9ab73SJakub Pawlowski } 1118e7d9ab73SJakub Pawlowski 1119e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1120e7d9ab73SJakub Pawlowski 1121e7d9ab73SJakub Pawlowski return NULL; 1122e7d9ab73SJakub Pawlowski } 1123e7d9ab73SJakub Pawlowski 1124e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 11252dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1126e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 11271da177e4SLinus Torvalds 1128a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1129a5c4e309SJohan Hedberg u8 role); 11301da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 11311da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1132a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 11331da177e4SLinus Torvalds 113473d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 11359472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 11362c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 113742c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 113873d80debSLuiz Augusto von Dentz 1139f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1140f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 114176b13996SManish Mandlik u16 conn_timeout, 114276b13996SManish Mandlik enum conn_reasons conn_reason); 114304a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1144d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 11458e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 114604a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 114776b13996SManish Mandlik u8 sec_level, u8 auth_type, 114876b13996SManish Mandlik enum conn_reasons conn_reason); 114910c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1150b2af264aSKiran K __u16 setting, struct bt_codec *codec); 1151e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1152b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1153e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1154e7cafc45SJohan Hedberg bool initiator); 11558c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11561da177e4SLinus Torvalds 115714b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11581da177e4SLinus Torvalds 115906c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 116006c053fbSAndre Guedes 11618d12356fSDavid Herrmann /* 11628d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11638d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11648d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11658d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11668d12356fSDavid Herrmann * other constant data. 11678d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11688d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11698d12356fSDavid Herrmann * get dropped, though. 11708d12356fSDavid Herrmann * 11718d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11728d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11738d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11748d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11758d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11768d12356fSDavid Herrmann * hci_conn_add()). 11778d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11788d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11798d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11808d12356fSDavid Herrmann */ 11818d12356fSDavid Herrmann 118251bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11838d12356fSDavid Herrmann { 11848d12356fSDavid Herrmann get_device(&conn->dev); 118551bb8457SJohan Hedberg return conn; 11868d12356fSDavid Herrmann } 11878d12356fSDavid Herrmann 11888d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11898d12356fSDavid Herrmann { 11908d12356fSDavid Herrmann put_device(&conn->dev); 11918d12356fSDavid Herrmann } 11928d12356fSDavid Herrmann 11931da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11941da177e4SLinus Torvalds { 119571becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 119638b3fef1SAndrei Emeltchenko 11971da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11982f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11991da177e4SLinus Torvalds } 12001da177e4SLinus Torvalds 120176a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 12021da177e4SLinus Torvalds { 120371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 120438b3fef1SAndrei Emeltchenko 12051da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 120604837f64SMarcel Holtmann unsigned long timeo; 1207716e4ab5SAndrei Emeltchenko 1208716e4ab5SAndrei Emeltchenko switch (conn->type) { 1209716e4ab5SAndrei Emeltchenko case ACL_LINK: 1210716e4ab5SAndrei Emeltchenko case LE_LINK: 1211a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 12126ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 12135f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 121404837f64SMarcel Holtmann if (!conn->out) 1215052b30b0SMarcel Holtmann timeo *= 2; 12165a9d0a3fSWaldemar Rymarkiewicz } else { 1217eb78d7e5SJohan Hedberg timeo = 0; 12185a9d0a3fSWaldemar Rymarkiewicz } 1219716e4ab5SAndrei Emeltchenko break; 1220716e4ab5SAndrei Emeltchenko 1221716e4ab5SAndrei Emeltchenko case AMP_LINK: 1222716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1223716e4ab5SAndrei Emeltchenko break; 1224716e4ab5SAndrei Emeltchenko 1225716e4ab5SAndrei Emeltchenko default: 1226eb78d7e5SJohan Hedberg timeo = 0; 1227716e4ab5SAndrei Emeltchenko break; 12285a9d0a3fSWaldemar Rymarkiewicz } 1229716e4ab5SAndrei Emeltchenko 12302f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 123119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 12321931782bSVinicius Costa Gomes &conn->disc_work, timeo); 12331da177e4SLinus Torvalds } 12341da177e4SLinus Torvalds } 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1237dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 12381da177e4SLinus Torvalds { 1239376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12402c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1241376261aeSAndrei Emeltchenko 12424c724c71SDavid Herrmann put_device(&d->dev); 1243010666a1SDavid Herrmann } 12441da177e4SLinus Torvalds 1245dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12461da177e4SLinus Torvalds { 1247376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12482c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1249376261aeSAndrei Emeltchenko 12504c724c71SDavid Herrmann get_device(&d->dev); 12511da177e4SLinus Torvalds return d; 12521da177e4SLinus Torvalds } 12531da177e4SLinus Torvalds 125409fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 125509fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12561da177e4SLinus Torvalds 1257aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12583dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1259aa2b86d7SDavid Herrmann 1260155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1261155961e8SDavid Herrmann { 1262155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1263155961e8SDavid Herrmann } 1264155961e8SDavid Herrmann 1265155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1266155961e8SDavid Herrmann { 1267155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1268155961e8SDavid Herrmann } 1269155961e8SDavid Herrmann 12706ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 12716ec56613STedd Ho-Jeong An { 12726ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 12736ec56613STedd Ho-Jeong An } 12746ec56613STedd Ho-Jeong An 12751da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 127639385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12771da177e4SLinus Torvalds 12786ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 12796ec56613STedd Ho-Jeong An 12806ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 12816ec56613STedd Ho-Jeong An { 12826ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 12836ec56613STedd Ho-Jeong An } 12846ec56613STedd Ho-Jeong An 12851da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12861da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 128759735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 128858ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 12891da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12901da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 129175e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1292f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1293f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12941aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12951aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1296145373cbSMiao-chen Chou 1297145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1298145373cbSMiao-chen Chou { 1299145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1300145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1301145373cbSMiao-chen Chou #endif 1302145373cbSMiao-chen Chou } 1303145373cbSMiao-chen Chou 1304f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1305f67743f9SMarcel Holtmann { 1306f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1307f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1308f67743f9SMarcel Holtmann #endif 1309f67743f9SMarcel Holtmann } 1310f67743f9SMarcel Holtmann 13111da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 13121da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 13136b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 13141da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 13151da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 13161da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 13171da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 13181da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 13191da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 13201da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 132140be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 13221da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 13231da177e4SLinus Torvalds 1324dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1325b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1326b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1327b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1328b950aa88SAnkit Navik u8 type); 13298baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 13308baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13318baaa403SAbhishek Pandit-Subedi u8 type); 1332dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1333b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1334b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 13358baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13368baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1337dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1338b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1339b950aa88SAnkit Navik u8 type); 13408baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13418baaa403SAbhishek Pandit-Subedi u8 type); 1342dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1343d2ab0ac1SMarcel Holtmann 134415819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 134515819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 134651d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 134751d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 134815819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 134955af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 135015819a70SAndre Guedes 1351501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1352501f8827SJohan Hedberg bdaddr_t *addr, 1353501f8827SJohan Hedberg u8 addr_type); 135477a77a30SAndre Guedes 135535f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13562aeb9a1aSJohan Hedberg 135735f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 135855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1359567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13607652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13617652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1362ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 136335d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1364fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1365f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1366e804d25dSJohan Hedberg u8 addr_type, u8 role); 1367e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 136835f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 136955ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 137055ed8ca1SJohan Hedberg 1371970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1372970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1373970c4e46SJohan Hedberg u8 addr_type); 1374ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1375ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1376a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1377600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1378600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1379970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1380970c4e46SJohan Hedberg 138155e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 138255e76b38SJohan Hedberg 138335f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13842763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13856928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13860798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13876928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 138838da1703SJohan Hedberg u8 *hash256, u8 *rand256); 13896928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13906928a924SJohan Hedberg u8 bdaddr_type); 13912763eda6SSzymon Janc 1392d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1393d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1394d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1395d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1396d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1397d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 13989bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 13999bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 140031aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 140131aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 140231aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1403d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1404a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 140501ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 140601ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1407d2609b34SFlorian Grandel 1408e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 140966bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1410a2a4dedfSArchie Pusaka int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 141166bd095aSArchie Pusaka int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1412a2a4dedfSArchie Pusaka bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1413a2a4dedfSArchie Pusaka int *err); 141466bd095aSArchie Pusaka bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 141566bd095aSArchie Pusaka bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 14168208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1417a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1418e5e1e7fdSMiao-chen Chou 14191da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 14201da177e4SLinus Torvalds 14210ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1422a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1423b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1424b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 14251da177e4SLinus Torvalds 14266935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1429cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1430cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1431cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1432cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1433cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1434cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1435cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1436cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1437cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1438cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1439cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 14408b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1441cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1442cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1443cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1444cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1445cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1446cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1447cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 144807a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 14495075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 14505075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 14515075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 14525075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 14531da177e4SLinus Torvalds 1454eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 14556397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 14566397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 145753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 145853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1459d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1460d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 146153b834d2SMarcel Holtmann 146253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1463cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1464d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1465cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1466cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1467eead27daSAndre Guedes 1468d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1469d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 147005b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1471d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1472c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1473c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1474c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1475c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1476432df05eSJohan Hedberg 147745bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 147845bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 147945bdd86eSJaganath Kanakkassery 148045bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 148145bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 148245bdd86eSJaganath Kanakkassery 148345bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 148445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 148545bdd86eSJaganath Kanakkassery 1486ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1487ad383c2cSLuiz Augusto von Dentz 1488e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1489ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1490ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1491e1d57235SMarcel Holtmann 14926126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 14936126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 14946126ffabSLuiz Augusto von Dentz 1495b2af264aSKiran K /* Use enhanced synchronous connection if command is supported */ 1496b2af264aSKiran K #define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08) 1497b2af264aSKiran K 1498a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1499a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1500a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 15014d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 15024d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1503a2344b9eSJaganath Kanakkassery 15046b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 15056b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 15066b49bcb4SJaganath Kanakkassery 15071da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 150820714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 150920714bfeSFrédéric Dalleau 15105a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 151120714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 15121da177e4SLinus Torvalds { 1513686ebf28SUlisses Furquim switch (type) { 1514686ebf28SUlisses Furquim case ACL_LINK: 1515686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 15161da177e4SLinus Torvalds 1517686ebf28SUlisses Furquim case SCO_LINK: 1518686ebf28SUlisses Furquim case ESCO_LINK: 151920714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 15201da177e4SLinus Torvalds 1521686ebf28SUlisses Furquim default: 1522686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1523686ebf28SUlisses Furquim return -EINVAL; 1524686ebf28SUlisses Furquim } 15251da177e4SLinus Torvalds } 15261da177e4SLinus Torvalds 15272950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 15282950f21aSMarcel Holtmann { 1529686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1530686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 15312950f21aSMarcel Holtmann 1532686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 15332950f21aSMarcel Holtmann } 15342950f21aSMarcel Holtmann 15351da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 15361da177e4SLinus Torvalds struct hci_cb { 15371da177e4SLinus Torvalds struct list_head list; 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds char *name; 15401da177e4SLinus Torvalds 1541539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 15423a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 15435a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 15445a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 15451da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 15461da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 15471da177e4SLinus Torvalds }; 15481da177e4SLinus Torvalds 1549539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1550539c496dSJohan Hedberg { 1551539c496dSJohan Hedberg struct hci_cb *cb; 1552539c496dSJohan Hedberg 1553539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1554539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1555539c496dSJohan Hedberg if (cb->connect_cfm) 1556539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1557539c496dSJohan Hedberg } 1558539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1559539c496dSJohan Hedberg 1560539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1561539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1562539c496dSJohan Hedberg } 1563539c496dSJohan Hedberg 15643a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 15653a6d576bSJohan Hedberg { 15663a6d576bSJohan Hedberg struct hci_cb *cb; 15673a6d576bSJohan Hedberg 15683a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 15693a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 15703a6d576bSJohan Hedberg if (cb->disconn_cfm) 15713a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15723a6d576bSJohan Hedberg } 15733a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15743a6d576bSJohan Hedberg 15753a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15763a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15773a6d576bSJohan Hedberg } 15783a6d576bSJohan Hedberg 15791da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 15801da177e4SLinus Torvalds { 1581711584eaSDenis Kirjanov struct hci_cb *cb; 15828c1b2355SMarcel Holtmann __u8 encrypt; 15831da177e4SLinus Torvalds 158451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 15858c1b2355SMarcel Holtmann return; 15868c1b2355SMarcel Holtmann 15874dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 15888c1b2355SMarcel Holtmann 1589fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1590711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15918c1b2355SMarcel Holtmann if (cb->security_cfm) 15928c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15931da177e4SLinus Torvalds } 1594fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1595354fe804SJohan Hedberg 1596354fe804SJohan Hedberg if (conn->security_cfm_cb) 1597354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15981da177e4SLinus Torvalds } 15991da177e4SLinus Torvalds 16003ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 16011da177e4SLinus Torvalds { 1602711584eaSDenis Kirjanov struct hci_cb *cb; 16033ca44c16SLuiz Augusto von Dentz __u8 encrypt; 16043ca44c16SLuiz Augusto von Dentz 16053ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1606339ddaa6SPatrick Steinhardt if (!status) 16073ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 16083ca44c16SLuiz Augusto von Dentz 16093ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 16103ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 16113ca44c16SLuiz Augusto von Dentz return; 16123ca44c16SLuiz Augusto von Dentz } 16133ca44c16SLuiz Augusto von Dentz 16143ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 16153ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 16163ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 16173ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 16183ca44c16SLuiz Augusto von Dentz else 16193ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 16201da177e4SLinus Torvalds 16218746f135SLuiz Augusto von Dentz if (!status) { 1622435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1623435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1624435fef20SMarcel Holtmann 162588167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 162688167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 16278746f135SLuiz Augusto von Dentz } 162888167aedSVinicius Costa Gomes 1629fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1630711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16318c1b2355SMarcel Holtmann if (cb->security_cfm) 16328c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16331da177e4SLinus Torvalds } 1634fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1635354fe804SJohan Hedberg 1636354fe804SJohan Hedberg if (conn->security_cfm_cb) 1637354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16381da177e4SLinus Torvalds } 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 16411da177e4SLinus Torvalds { 1642711584eaSDenis Kirjanov struct hci_cb *cb; 16431da177e4SLinus Torvalds 1644fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1645711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16461da177e4SLinus Torvalds if (cb->key_change_cfm) 16471da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 16481da177e4SLinus Torvalds } 1649fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16501da177e4SLinus Torvalds } 16511da177e4SLinus Torvalds 16525a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 16535a9d0a3fSWaldemar Rymarkiewicz __u8 role) 16541da177e4SLinus Torvalds { 1655711584eaSDenis Kirjanov struct hci_cb *cb; 16561da177e4SLinus Torvalds 1657fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1658711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16591da177e4SLinus Torvalds if (cb->role_switch_cfm) 16601da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 16611da177e4SLinus Torvalds } 1662fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16631da177e4SLinus Torvalds } 16641da177e4SLinus Torvalds 1665301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1666301cb2d8SJohan Hedberg { 1667dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1668301cb2d8SJohan Hedberg return false; 1669301cb2d8SJohan Hedberg 1670301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1671301cb2d8SJohan Hedberg return true; 1672301cb2d8SJohan Hedberg 1673301cb2d8SJohan Hedberg return false; 1674301cb2d8SJohan Hedberg } 1675301cb2d8SJohan Hedberg 1676c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1677c46245b3SJohan Hedberg { 1678c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1679c46245b3SJohan Hedberg return true; 1680c46245b3SJohan Hedberg 1681c46245b3SJohan Hedberg /* Check for Random Static address type */ 1682c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1683c46245b3SJohan Hedberg return true; 1684c46245b3SJohan Hedberg 1685c46245b3SJohan Hedberg return false; 1686c46245b3SJohan Hedberg } 1687c46245b3SJohan Hedberg 16882426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16892426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16902426f3a5SJohan Hedberg { 16912426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16922426f3a5SJohan Hedberg return NULL; 16932426f3a5SJohan Hedberg 16942426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16952426f3a5SJohan Hedberg } 16962426f3a5SJohan Hedberg 1697d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1698d4905f24SAndre Guedes u16 to_multiplier) 1699d4905f24SAndre Guedes { 1700d4905f24SAndre Guedes u16 max_latency; 1701d4905f24SAndre Guedes 1702d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1703d4905f24SAndre Guedes return -EINVAL; 1704d4905f24SAndre Guedes 1705d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1706d4905f24SAndre Guedes return -EINVAL; 1707d4905f24SAndre Guedes 1708d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1709d4905f24SAndre Guedes return -EINVAL; 1710d4905f24SAndre Guedes 17118757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1712d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1713d4905f24SAndre Guedes return -EINVAL; 1714d4905f24SAndre Guedes 1715d4905f24SAndre Guedes return 0; 1716d4905f24SAndre Guedes } 1717d4905f24SAndre Guedes 17181da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 17191da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 17201da177e4SLinus Torvalds 1721d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1722d6ee6ad7SLoic Poulain const void *param); 172375e84b7cSJohan Hedberg 172407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 172507dc93ddSJohan Hedberg const void *param); 172673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 17270d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 17281da177e4SLinus Torvalds 1729a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 17301da177e4SLinus Torvalds 1731eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1732eab2404bSLuiz Augusto von Dentz 17331da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1734470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 17357129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1736c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1737cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 173838ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 173938ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 174038ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 17411da177e4SLinus Torvalds 1742040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1743040030efSMarcel Holtmann 1744a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1745a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1746a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1747a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1748d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1749b9a245fbSJohan Hedberg 1750801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1751801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1752801c1e8dSJohan Hedberg u16 data_len); 1753801c1e8dSJohan Hedberg size_t data_len; 1754b9a245fbSJohan Hedberg unsigned long flags; 1755801c1e8dSJohan Hedberg }; 1756801c1e8dSJohan Hedberg 1757801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1758801c1e8dSJohan Hedberg struct list_head list; 1759801c1e8dSJohan Hedberg unsigned short channel; 1760801c1e8dSJohan Hedberg size_t handler_count; 1761801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 176288b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1763801c1e8dSJohan Hedberg }; 1764801c1e8dSJohan Hedberg 1765801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1766801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1767801c1e8dSJohan Hedberg 17680381101fSJohan Hedberg /* Management interface */ 1769591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1770591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1771591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1772591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1773591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1774591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1775f39799f5SAndre Guedes 17760d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17770d8cc935SAndre Guedes * Discovery Procedure specification. 17780d8cc935SAndre Guedes */ 17790d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17800d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17813d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1782ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17830d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17840d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17854b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1786cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1787cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 17880d8cc935SAndre Guedes 1789dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 1790dbf6811aSArchie Pusaka 179103c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 179291a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1793bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1794bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17953eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17962ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17972ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1798dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1799745c0ce3SVishal Agarwal bool persistent); 180048ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 18011c6ed31bSYu Liu u8 *name, u8 name_len); 18029b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 180312d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 180412d4a3b2SJohan Hedberg bool mgmt_connected); 18057892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 180688c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1807445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 180848264f06SJohan Hedberg u8 addr_type, u8 status); 1809ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1810e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1811c35938b2SSzymon Janc u8 status); 18123eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1813744cf19eSJohan Hedberg u8 status); 1814744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 181539adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1816272d90dfSJohan Hedberg u8 confirm_hint); 1817744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1818272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1819272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1820272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1821272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1822272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1823604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1824272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1825272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1826272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 182792a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 182892a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 182992a25256SJohan Hedberg u8 entered); 1830e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1831464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 18324e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 18337f9a903cSMarcel Holtmann u8 status); 18347667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1835e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 18362154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1837901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1838af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1839af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 18409cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1841b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 18422f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1843346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1844346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1845346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 184684c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 184753ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1848cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 184953ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 185053ac6ab6SMarcel Holtmann bool persistent); 1851ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1852f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1853f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1854f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1855f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 1856f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1857f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1858f2252570SJohan Hedberg u8 instance); 1859f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1860f2252570SJohan Hedberg u8 instance); 186166bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1862b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1863a2a4dedfSArchie Pusaka int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 186466bd095aSArchie Pusaka int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 18658d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 18668d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 1867346af67bSVinicius Costa Gomes 18687d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 18697d6ca693SJohan Hedberg u16 to_multiplier); 1870fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18718b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18722519a1fcSAndre Guedes 1873a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1874a1f4c318SJohan Hedberg u8 *bdaddr_type); 1875ebd3a747SJohan Hedberg 18765d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18775d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18785d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18795d4d62f6SFrédéric Dalleau 18808961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 18818961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 18828961987fSKiran K 18838961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 18848961987fSKiran K 18851da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1886