11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 40fe8c8d0SIulia Tanasescu Copyright 2023 NXP 51da177e4SLinus Torvalds 61da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 71da177e4SLinus Torvalds 81da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 91da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 101da177e4SLinus Torvalds published by the Free Software Foundation; 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 131da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 141da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 151da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 161da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 171da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 181da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 191da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 201da177e4SLinus Torvalds 211da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 221da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 231da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 241da177e4SLinus Torvalds */ 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #ifndef __HCI_CORE_H 271da177e4SLinus Torvalds #define __HCI_CORE_H 281da177e4SLinus Torvalds 29e5e1e7fdSMiao-chen Chou #include <linux/idr.h> 306d5d2ee6SHeiner Kallweit #include <linux/leds.h> 31b2d09103SIngo Molnar #include <linux/rculist.h> 32b2d09103SIngo Molnar 331da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 346a98e383SMarcel Holtmann #include <net/bluetooth/hci_sync.h> 35f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 369695ef87SAbhishek Pandit-Subedi #include <net/bluetooth/coredump.h> 371da177e4SLinus Torvalds 385e59b791SLuiz Augusto von Dentz /* HCI priority */ 395e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 405e59b791SLuiz Augusto von Dentz 41103a2f32SItay Iellin /* HCI maximum id value */ 42103a2f32SItay Iellin #define HCI_MAX_ID 10000 43103a2f32SItay Iellin 441da177e4SLinus Torvalds /* HCI Core structures */ 451da177e4SLinus Torvalds struct inquiry_data { 461da177e4SLinus Torvalds bdaddr_t bdaddr; 471da177e4SLinus Torvalds __u8 pscan_rep_mode; 481da177e4SLinus Torvalds __u8 pscan_period_mode; 491da177e4SLinus Torvalds __u8 pscan_mode; 501da177e4SLinus Torvalds __u8 dev_class[3]; 511ebb9252SMarcel Holtmann __le16 clock_offset; 521da177e4SLinus Torvalds __s8 rssi; 5341a96212SMarcel Holtmann __u8 ssp_mode; 541da177e4SLinus Torvalds }; 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds struct inquiry_entry { 57561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 58561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 59561aafbcSJohan Hedberg enum { 60561aafbcSJohan Hedberg NAME_NOT_KNOWN, 61561aafbcSJohan Hedberg NAME_NEEDED, 62561aafbcSJohan Hedberg NAME_PENDING, 63561aafbcSJohan Hedberg NAME_KNOWN, 64561aafbcSJohan Hedberg } name_state; 651da177e4SLinus Torvalds __u32 timestamp; 661da177e4SLinus Torvalds struct inquiry_data data; 671da177e4SLinus Torvalds }; 681da177e4SLinus Torvalds 6930883512SJohan Hedberg struct discovery_state { 704aab14e5SAndre Guedes int type; 71ff9ef578SJohan Hedberg enum { 72ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 73ff9ef578SJohan Hedberg DISCOVERY_STARTING, 74343f935bSAndre Guedes DISCOVERY_FINDING, 7530dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 76ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 77ff9ef578SJohan Hedberg } state; 78561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 79561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 80561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 811da177e4SLinus Torvalds __u32 timestamp; 82b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 83b9a6328fSJohan Hedberg u8 last_adv_addr_type; 84ff5cd29fSJohan Hedberg s8 last_adv_rssi; 85c70a7e4cSMarcel Holtmann u32 last_adv_flags; 86b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 87b9a6328fSJohan Hedberg u8 last_adv_data_len; 88da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8982f8b651SJakub Pawlowski bool result_filtering; 9078b781caSJohan Hedberg bool limited; 9137eab042SJakub Pawlowski s8 rssi; 9237eab042SJakub Pawlowski u16 uuid_count; 9337eab042SJakub Pawlowski u8 (*uuids)[16]; 942d28cfe7SJakub Pawlowski unsigned long scan_start; 952d28cfe7SJakub Pawlowski unsigned long scan_duration; 96dbf6811aSArchie Pusaka unsigned long name_resolve_timeout; 971da177e4SLinus Torvalds }; 981da177e4SLinus Torvalds 999952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 1009952d90eSAbhishek Pandit-Subedi 1019952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 1024867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 1034867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 1044867bd00SAbhishek Pandit-Subedi 1054867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 1064867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 1074867bd00SAbhishek Pandit-Subedi 1084f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1094f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1104f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1114f40afc6SAbhishek Pandit-Subedi 1129952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1139952d90eSAbhishek Pandit-Subedi 1149952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 115bf6a4e30SHoward Chung 116bf6a4e30SHoward Chung SUSPEND_SET_ADV_FILTER, 1179952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1189952d90eSAbhishek Pandit-Subedi }; 1199952d90eSAbhishek Pandit-Subedi 1209952d90eSAbhishek Pandit-Subedi enum suspended_state { 1219952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1224f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1230d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1249952d90eSAbhishek Pandit-Subedi }; 1259952d90eSAbhishek Pandit-Subedi 1261da177e4SLinus Torvalds struct hci_conn_hash { 1271da177e4SLinus Torvalds struct list_head list; 1281da177e4SLinus Torvalds unsigned int acl_num; 129bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1301da177e4SLinus Torvalds unsigned int sco_num; 13126afbd82SLuiz Augusto von Dentz unsigned int iso_num; 132fcd89c09SVille Tervo unsigned int le_num; 13339bc74caSArchie Pusaka unsigned int le_num_peripheral; 1341da177e4SLinus Torvalds }; 1351da177e4SLinus Torvalds 136f0358568SJohan Hedberg struct bdaddr_list { 137f0358568SJohan Hedberg struct list_head list; 138f0358568SJohan Hedberg bdaddr_t bdaddr; 139b9ee0a78SMarcel Holtmann u8 bdaddr_type; 140f0358568SJohan Hedberg }; 1412aeb9a1aSJohan Hedberg 1428961987fSKiran K struct codec_list { 1438961987fSKiran K struct list_head list; 1448961987fSKiran K u8 id; 1458961987fSKiran K __u16 cid; 1468961987fSKiran K __u16 vid; 1478961987fSKiran K u8 transport; 1488961987fSKiran K u8 num_caps; 1498961987fSKiran K u32 len; 1508961987fSKiran K struct hci_codec_caps caps[]; 1518961987fSKiran K }; 1528961987fSKiran K 153b950aa88SAnkit Navik struct bdaddr_list_with_irk { 154b950aa88SAnkit Navik struct list_head list; 155b950aa88SAnkit Navik bdaddr_t bdaddr; 156b950aa88SAnkit Navik u8 bdaddr_type; 157b950aa88SAnkit Navik u8 peer_irk[16]; 158b950aa88SAnkit Navik u8 local_irk[16]; 159b950aa88SAnkit Navik }; 160b950aa88SAnkit Navik 161e1cff700SLinus Torvalds /* Bitmask of connection flags */ 162fe92ee64SLuiz Augusto von Dentz enum hci_conn_flags { 163e1cff700SLinus Torvalds HCI_CONN_FLAG_REMOTE_WAKEUP = 1, 164e1cff700SLinus Torvalds HCI_CONN_FLAG_DEVICE_PRIVACY = 2, 165fe92ee64SLuiz Augusto von Dentz }; 166e1cff700SLinus Torvalds typedef u8 hci_conn_flags_t; 167fe92ee64SLuiz Augusto von Dentz 1688baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1698baaa403SAbhishek Pandit-Subedi struct list_head list; 1708baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1718baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 172e1cff700SLinus Torvalds hci_conn_flags_t flags; 1738baaa403SAbhishek Pandit-Subedi }; 1748baaa403SAbhishek Pandit-Subedi 1752aeb9a1aSJohan Hedberg struct bt_uuid { 1762aeb9a1aSJohan Hedberg struct list_head list; 1772aeb9a1aSJohan Hedberg u8 uuid[16]; 17883be8ecaSJohan Hedberg u8 size; 1791aff6f09SJohan Hedberg u8 svc_hint; 1802aeb9a1aSJohan Hedberg }; 1812aeb9a1aSJohan Hedberg 182600a8749SAlain Michaud struct blocked_key { 183600a8749SAlain Michaud struct list_head list; 184600a8749SAlain Michaud struct rcu_head rcu; 185600a8749SAlain Michaud u8 type; 186600a8749SAlain Michaud u8 val[16]; 187600a8749SAlain Michaud }; 188600a8749SAlain Michaud 1897ee4ea36SMarcel Holtmann struct smp_csrk { 1907ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1917ee4ea36SMarcel Holtmann u8 bdaddr_type; 1924cd3928aSJohan Hedberg u8 type; 1937ee4ea36SMarcel Holtmann u8 val[16]; 1947ee4ea36SMarcel Holtmann }; 1957ee4ea36SMarcel Holtmann 196b899efafSVinicius Costa Gomes struct smp_ltk { 197b899efafSVinicius Costa Gomes struct list_head list; 198970d0f1bSJohan Hedberg struct rcu_head rcu; 199b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 200b899efafSVinicius Costa Gomes u8 bdaddr_type; 201b899efafSVinicius Costa Gomes u8 authenticated; 202b899efafSVinicius Costa Gomes u8 type; 203b899efafSVinicius Costa Gomes u8 enc_size; 204b899efafSVinicius Costa Gomes __le16 ediv; 205fe39c7b2SMarcel Holtmann __le64 rand; 206b899efafSVinicius Costa Gomes u8 val[16]; 20703c515d7SMarcel Holtmann }; 208b899efafSVinicius Costa Gomes 209970c4e46SJohan Hedberg struct smp_irk { 210970c4e46SJohan Hedberg struct list_head list; 211adae20cbSJohan Hedberg struct rcu_head rcu; 212970c4e46SJohan Hedberg bdaddr_t rpa; 213970c4e46SJohan Hedberg bdaddr_t bdaddr; 214970c4e46SJohan Hedberg u8 addr_type; 215970c4e46SJohan Hedberg u8 val[16]; 216970c4e46SJohan Hedberg }; 217970c4e46SJohan Hedberg 21855ed8ca1SJohan Hedberg struct link_key { 21955ed8ca1SJohan Hedberg struct list_head list; 2200378b597SJohan Hedberg struct rcu_head rcu; 22155ed8ca1SJohan Hedberg bdaddr_t bdaddr; 22255ed8ca1SJohan Hedberg u8 type; 2239b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 22455ed8ca1SJohan Hedberg u8 pin_len; 22555ed8ca1SJohan Hedberg }; 22655ed8ca1SJohan Hedberg 2272763eda6SSzymon Janc struct oob_data { 2282763eda6SSzymon Janc struct list_head list; 2292763eda6SSzymon Janc bdaddr_t bdaddr; 2306928a924SJohan Hedberg u8 bdaddr_type; 231f7697b16SMarcel Holtmann u8 present; 232519ca9d0SMarcel Holtmann u8 hash192[16]; 23338da1703SJohan Hedberg u8 rand192[16]; 234519ca9d0SMarcel Holtmann u8 hash256[16]; 23538da1703SJohan Hedberg u8 rand256[16]; 2362763eda6SSzymon Janc }; 2372763eda6SSzymon Janc 238203fea01SArman Uguray struct adv_info { 239d2609b34SFlorian Grandel struct list_head list; 24010279313SLuiz Augusto von Dentz bool enabled; 241fffd38bcSFlorian Grandel bool pending; 242eca0ae4aSLuiz Augusto von Dentz bool periodic; 243b338d917SBrian Gix __u8 mesh; 244203fea01SArman Uguray __u8 instance; 245203fea01SArman Uguray __u32 flags; 246912098a6SArman Uguray __u16 timeout; 2475d900e46SFlorian Grandel __u16 remaining_time; 248d2609b34SFlorian Grandel __u16 duration; 249203fea01SArman Uguray __u16 adv_data_len; 250c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 25134a718bcSLuiz Augusto von Dentz bool adv_data_changed; 252203fea01SArman Uguray __u16 scan_rsp_len; 253c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 25434a718bcSLuiz Augusto von Dentz bool scan_rsp_changed; 255eca0ae4aSLuiz Augusto von Dentz __u16 per_adv_data_len; 256eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 257de181e88SJaganath Kanakkassery __s8 tx_power; 2589bf9f4b6SDaniel Winkler __u32 min_interval; 2599bf9f4b6SDaniel Winkler __u32 max_interval; 260a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 261a73c046aSJaganath Kanakkassery bool rpa_expired; 262a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 263203fea01SArman Uguray }; 264203fea01SArman Uguray 265db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 266d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 267d2609b34SFlorian Grandel 26812410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26912410572SDaniel Winkler 27034a718bcSLuiz Augusto von Dentz #define DATA_CMP(_d1, _l1, _d2, _l2) \ 27134a718bcSLuiz Augusto von Dentz (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2) 27234a718bcSLuiz Augusto von Dentz 27334a718bcSLuiz Augusto von Dentz #define ADV_DATA_CMP(_adv, _data, _len) \ 27434a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len) 27534a718bcSLuiz Augusto von Dentz 27634a718bcSLuiz Augusto von Dentz #define SCAN_RSP_CMP(_adv, _data, _len) \ 27734a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len) 27834a718bcSLuiz Augusto von Dentz 2793368aa35SManish Mandlik struct monitored_device { 2803368aa35SManish Mandlik struct list_head list; 2813368aa35SManish Mandlik 2823368aa35SManish Mandlik bdaddr_t bdaddr; 2833368aa35SManish Mandlik __u8 addr_type; 2843368aa35SManish Mandlik __u16 handle; 2853368aa35SManish Mandlik bool notified; 2863368aa35SManish Mandlik }; 2873368aa35SManish Mandlik 288e5e1e7fdSMiao-chen Chou struct adv_pattern { 289e5e1e7fdSMiao-chen Chou struct list_head list; 290e5e1e7fdSMiao-chen Chou __u8 ad_type; 291e5e1e7fdSMiao-chen Chou __u8 offset; 292e5e1e7fdSMiao-chen Chou __u8 length; 293e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 294e5e1e7fdSMiao-chen Chou }; 295e5e1e7fdSMiao-chen Chou 296b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 297b4a221eaSArchie Pusaka __s8 low_threshold; 298b4a221eaSArchie Pusaka __s8 high_threshold; 299b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 300b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 301b4a221eaSArchie Pusaka __u8 sampling_period; 302b4a221eaSArchie Pusaka }; 303b4a221eaSArchie Pusaka 304e5e1e7fdSMiao-chen Chou struct adv_monitor { 305e5e1e7fdSMiao-chen Chou struct list_head patterns; 306b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 307e5e1e7fdSMiao-chen Chou __u16 handle; 308a2a4dedfSArchie Pusaka 309a2a4dedfSArchie Pusaka enum { 310a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 311a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 312a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 313a2a4dedfSArchie Pusaka } state; 314e5e1e7fdSMiao-chen Chou }; 315e5e1e7fdSMiao-chen Chou 316e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 317e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 318e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 319a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 320a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 321e5e1e7fdSMiao-chen Chou 322490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 323490c5babSJohan Hedberg 324d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 3259f78191cSLuiz Augusto von Dentz #define HCI_CONN_HANDLE_UNSET(_handle) (_handle > HCI_CONN_HANDLE_MAX) 326d5ebaa7cSSoenke Huster 327d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 328d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 329d5bb334aSMarcel Holtmann 330d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 331d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 332d6bfd59cSJohan Hedberg 33331ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 33431ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 33531ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 336302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 337302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 33831ad1691SAndrzej Kaczmarek 339903e4541SAndrei Emeltchenko struct amp_assoc { 340903e4541SAndrei Emeltchenko __u16 len; 341903e4541SAndrei Emeltchenko __u16 offset; 34293c284eeSAndrei Emeltchenko __u16 rem_len; 34393c284eeSAndrei Emeltchenko __u16 len_so_far; 344903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 345903e4541SAndrei Emeltchenko }; 346903e4541SAndrei Emeltchenko 347d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 348cad718edSJohan Hedberg 3491da177e4SLinus Torvalds struct hci_dev { 3501da177e4SLinus Torvalds struct list_head list; 35109fd0de5SGustavo F. Padovan struct mutex lock; 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds char name[8]; 3541da177e4SLinus Torvalds unsigned long flags; 3551da177e4SLinus Torvalds __u16 id; 356c13854ceSMarcel Holtmann __u8 bus; 357943da25dSMarcel Holtmann __u8 dev_type; 3581da177e4SLinus Torvalds bdaddr_t bdaddr; 359e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 36024c457e2SMarcel Holtmann bdaddr_t public_addr; 3617a4cd51dSMarcel Holtmann bdaddr_t random_addr; 362d13eafceSMarcel Holtmann bdaddr_t static_addr; 36356ed2cb8SJohan Hedberg __u8 adv_addr_type; 3641f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 365490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 36680a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 367c4960ecfSMichał Narajowski __u16 appearance; 368a9de9248SMarcel Holtmann __u8 dev_class[3]; 3691aff6f09SJohan Hedberg __u8 major_class; 3701aff6f09SJohan Hedberg __u8 minor_class; 371d2c5d77fSJohan Hedberg __u8 max_page; 372cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 37360e77321SJohan Hedberg __u8 le_features[8]; 3743d4f9c00SArchie Pusaka __u8 le_accept_list_size; 375cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3766b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3779b008c04SJohan Hedberg __u8 le_states[8]; 378b338d917SBrian Gix __u8 mesh_ad_types[16]; 379b338d917SBrian Gix __u8 mesh_send_ref; 380a9de9248SMarcel Holtmann __u8 commands[64]; 3811143e5a6SMarcel Holtmann __u8 hci_ver; 3821143e5a6SMarcel Holtmann __u16 hci_rev; 383d5859e22SJohan Hedberg __u8 lmp_ver; 3841143e5a6SMarcel Holtmann __u16 manufacturer; 3857d69230cSAndrei Emeltchenko __u16 lmp_subver; 3861da177e4SLinus Torvalds __u16 voice_setting; 387b4cb9fb2SMarcel Holtmann __u8 num_iac; 388e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 389e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 39017fa4b9dSJohan Hedberg __u8 io_capability; 39191c4e9b1SMarcel Holtmann __s8 inq_tx_power; 39200bce3fbSAlain Michaud __u8 err_data_reporting; 393f332ec66SJohan Hedberg __u16 page_scan_interval; 394f332ec66SJohan Hedberg __u16 page_scan_window; 395f332ec66SJohan Hedberg __u8 page_scan_type; 3963f959d46SMarcel Holtmann __u8 le_adv_channel_map; 397628531c9SGeorg Lukas __u16 le_adv_min_interval; 398628531c9SGeorg Lukas __u16 le_adv_max_interval; 399533553f8SMarcel Holtmann __u8 le_scan_type; 400bef64738SMarcel Holtmann __u16 le_scan_interval; 401bef64738SMarcel Holtmann __u16 le_scan_window; 40210873f99SAlain Michaud __u16 le_scan_int_suspend; 40310873f99SAlain Michaud __u16 le_scan_window_suspend; 40410873f99SAlain Michaud __u16 le_scan_int_discovery; 40510873f99SAlain Michaud __u16 le_scan_window_discovery; 40610873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 40710873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 40810873f99SAlain Michaud __u16 le_scan_int_connect; 40910873f99SAlain Michaud __u16 le_scan_window_connect; 4104e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 4114e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 41204fb7d90SMarcel Holtmann __u16 le_conn_latency; 41304fb7d90SMarcel Holtmann __u16 le_supv_timeout; 414a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 415a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 416a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 417a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 418a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 419a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 42030d65e08SMatias Karhumaa __u8 le_max_key_size; 42130d65e08SMatias Karhumaa __u8 le_min_key_size; 422b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 42331ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 42431ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 425302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 42658a96fc3SMarcel Holtmann __u8 min_enc_key_size; 427a4790360SMarcel Holtmann __u8 max_enc_key_size; 428a4790360SMarcel Holtmann __u8 pairing_opts; 42906f5b778SMarcel Holtmann __u8 ssp_debug_mode; 430c7741d16SMarcel Holtmann __u8 hw_error_code; 43133f35721SJohan Hedberg __u32 clock; 432c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 433c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 43480af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 435f332ec66SJohan Hedberg 4362b9be137SMarcel Holtmann __u16 devid_source; 4372b9be137SMarcel Holtmann __u16 devid_vendor; 4382b9be137SMarcel Holtmann __u16 devid_product; 4392b9be137SMarcel Holtmann __u16 devid_version; 4401da177e4SLinus Torvalds 44110873f99SAlain Michaud __u8 def_page_scan_type; 44210873f99SAlain Michaud __u16 def_page_scan_int; 44310873f99SAlain Michaud __u16 def_page_scan_window; 44410873f99SAlain Michaud __u8 def_inq_scan_type; 44510873f99SAlain Michaud __u16 def_inq_scan_int; 44610873f99SAlain Michaud __u16 def_inq_scan_window; 44710873f99SAlain Michaud __u16 def_br_lsto; 44810873f99SAlain Michaud __u16 def_page_timeout; 44910873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 45049b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4517c395ea5SDaniel Winkler __s8 min_le_tx_power; 4527c395ea5SDaniel Winkler __s8 max_le_tx_power; 45310873f99SAlain Michaud 4541da177e4SLinus Torvalds __u16 pkt_type; 4555b7f9909SMarcel Holtmann __u16 esco_type; 4561da177e4SLinus Torvalds __u16 link_policy; 4571da177e4SLinus Torvalds __u16 link_mode; 4581da177e4SLinus Torvalds 45904837f64SMarcel Holtmann __u32 idle_timeout; 46004837f64SMarcel Holtmann __u16 sniff_min_interval; 46104837f64SMarcel Holtmann __u16 sniff_max_interval; 46204837f64SMarcel Holtmann 463928abaa7SAndrei Emeltchenko __u8 amp_status; 464928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 465928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 466928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 467928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 468928abaa7SAndrei Emeltchenko __u8 amp_type; 469928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 470928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 471928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 472928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 473928abaa7SAndrei Emeltchenko 474903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 475903e4541SAndrei Emeltchenko 4761e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4771e89cffbSAndrei Emeltchenko 4789f61656aSJohan Hedberg unsigned int auto_accept_delay; 4799f61656aSJohan Hedberg 4801da177e4SLinus Torvalds unsigned long quirks; 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds atomic_t cmd_cnt; 4831da177e4SLinus Torvalds unsigned int acl_cnt; 4841da177e4SLinus Torvalds unsigned int sco_cnt; 4856ed58ec5SVille Tervo unsigned int le_cnt; 48626afbd82SLuiz Augusto von Dentz unsigned int iso_cnt; 4871da177e4SLinus Torvalds 4881da177e4SLinus Torvalds unsigned int acl_mtu; 4891da177e4SLinus Torvalds unsigned int sco_mtu; 4906ed58ec5SVille Tervo unsigned int le_mtu; 49126afbd82SLuiz Augusto von Dentz unsigned int iso_mtu; 4921da177e4SLinus Torvalds unsigned int acl_pkts; 4931da177e4SLinus Torvalds unsigned int sco_pkts; 4946ed58ec5SVille Tervo unsigned int le_pkts; 49526afbd82SLuiz Augusto von Dentz unsigned int iso_pkts; 4961da177e4SLinus Torvalds 497350ee4cfSAndrei Emeltchenko __u16 block_len; 498350ee4cfSAndrei Emeltchenko __u16 block_mtu; 499350ee4cfSAndrei Emeltchenko __u16 num_blocks; 500350ee4cfSAndrei Emeltchenko __u16 block_cnt; 501350ee4cfSAndrei Emeltchenko 5021da177e4SLinus Torvalds unsigned long acl_last_tx; 5031da177e4SLinus Torvalds unsigned long sco_last_tx; 5046ed58ec5SVille Tervo unsigned long le_last_tx; 5051da177e4SLinus Torvalds 5066decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 5076decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 5086decb5b4SJaganath Kanakkassery 509f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 5106ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 511f48fd9c8SMarcel Holtmann 512ab81cbf9SJohan Hedberg struct work_struct power_on; 5133243553fSJohan Hedberg struct delayed_work power_off; 514c7741d16SMarcel Holtmann struct work_struct error_reset; 5156a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 5166a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 5176a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 5181857c199SZhengping Jiang struct mutex unregister_lock; 519744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 520b338d917SBrian Gix struct work_struct reenable_adv_work; 521ab81cbf9SJohan Hedberg 52216ab91abSJohan Hedberg __u16 discov_timeout; 52316ab91abSJohan Hedberg struct delayed_work discov_off; 52416ab91abSJohan Hedberg 5257d78525dSJohan Hedberg struct delayed_work service_cache; 5267d78525dSJohan Hedberg 52765cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 528de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 529b78752ccSMarcel Holtmann 530b78752ccSMarcel Holtmann struct work_struct rx_work; 531c347b765SGustavo F. Padovan struct work_struct cmd_work; 5323eff45eaSGustavo F. Padovan struct work_struct tx_work; 5331da177e4SLinus Torvalds 5347c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5357c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5362e93e53bSJohan Hedberg 5371da177e4SLinus Torvalds struct sk_buff_head rx_q; 5381da177e4SLinus Torvalds struct sk_buff_head raw_q; 5391da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds struct sk_buff *sent_cmd; 542dfe6d5c3SLuiz Augusto von Dentz struct sk_buff *recv_event; 5431da177e4SLinus Torvalds 544a6a67efdSThomas Gleixner struct mutex req_lock; 5451da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5461da177e4SLinus Torvalds __u32 req_status; 5471da177e4SLinus Torvalds __u32 req_result; 548f60cb305SJohan Hedberg struct sk_buff *req_skb; 549a5040efaSJohan Hedberg 55070db83c4SJohan Hedberg void *smp_data; 551ef8efe4bSJohan Hedberg void *smp_bredr_data; 5522e58ef3eSJohan Hedberg 55330883512SJohan Hedberg struct discovery_state discovery; 5549952d90eSAbhishek Pandit-Subedi 5554867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5564867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5574867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5584867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5594867bd00SAbhishek Pandit-Subedi 5609952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5619952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5629952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5634f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5644f40afc6SAbhishek Pandit-Subedi bool suspended; 5652f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5662f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5672f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5689952d90eSAbhishek Pandit-Subedi 5691da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5705c136e90SAndre Guedes 571b338d917SBrian Gix struct list_head mesh_pending; 5725c136e90SAndre Guedes struct list_head mgmt_pending; 5733d4f9c00SArchie Pusaka struct list_head reject_list; 5743d4f9c00SArchie Pusaka struct list_head accept_list; 5752aeb9a1aSJohan Hedberg struct list_head uuids; 57655ed8ca1SJohan Hedberg struct list_head link_keys; 577b899efafSVinicius Costa Gomes struct list_head long_term_keys; 578970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5792763eda6SSzymon Janc struct list_head remote_oob_data; 5803d4f9c00SArchie Pusaka struct list_head le_accept_list; 581cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 58215819a70SAndre Guedes struct list_head le_conn_params; 58377a77a30SAndre Guedes struct list_head pend_le_conns; 58466f8455aSJohan Hedberg struct list_head pend_le_reports; 585600a8749SAlain Michaud struct list_head blocked_keys; 5868961987fSKiran K struct list_head local_codecs; 5872763eda6SSzymon Janc 5881da177e4SLinus Torvalds struct hci_dev_stats stat; 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds atomic_t promisc; 5911da177e4SLinus Torvalds 5925177a838SMarcel Holtmann const char *hw_info; 5935177a838SMarcel Holtmann const char *fw_info; 594ca325f69SMarcel Holtmann struct dentry *debugfs; 595ca325f69SMarcel Holtmann 5969695ef87SAbhishek Pandit-Subedi struct hci_devcoredump dump; 5979695ef87SAbhishek Pandit-Subedi 598a91f2e39SMarcel Holtmann struct device dev; 5991da177e4SLinus Torvalds 600611b30f7SMarcel Holtmann struct rfkill *rfkill; 601611b30f7SMarcel Holtmann 602eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 603e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 604d23264a8SAndre Guedes 6058fa19098SJohan Hedberg __s8 adv_tx_power; 606c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 6073f0f524bSJohan Hedberg __u8 adv_data_len; 608c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 609f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 610eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 611eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data_len; 6128fa19098SJohan Hedberg 613d2609b34SFlorian Grandel struct list_head adv_instances; 614d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 615d2609b34SFlorian Grandel __u8 cur_adv_instance; 6165d900e46SFlorian Grandel __u16 adv_instance_timeout; 6175d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 618203fea01SArman Uguray 619e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 620e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 621e5e1e7fdSMiao-chen Chou 622863efaf2SJohan Hedberg __u8 irk[16]; 623d6bfd59cSJohan Hedberg __u32 rpa_timeout; 624d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6252b5224dcSMarcel Holtmann bdaddr_t rpa; 626863efaf2SJohan Hedberg 627b338d917SBrian Gix struct delayed_work mesh_send_done; 628b338d917SBrian Gix 629c4f1f408SHoward Chung enum { 630c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 631c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 632c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 633c4f1f408SHoward Chung } interleave_scan_state; 634c4f1f408SHoward Chung 635c4f1f408SHoward Chung struct delayed_work interleave_scan; 636c4f1f408SHoward Chung 6373368aa35SManish Mandlik struct list_head monitored_devices; 6388d7f1677SManish Mandlik bool advmon_pend_notify; 6393368aa35SManish Mandlik 64053f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6416d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 64253f863a6SMarcel Holtmann #endif 6436d5d2ee6SHeiner Kallweit 644145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 645145373cbSMiao-chen Chou __u16 msft_opcode; 646145373cbSMiao-chen Chou void *msft_data; 647a61d6718SMarcel Holtmann bool msft_curve_validity; 648145373cbSMiao-chen Chou #endif 649145373cbSMiao-chen Chou 650f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 651f67743f9SMarcel Holtmann bool aosp_capable; 652749a6c59SJoseph Hwang bool aosp_quality_report; 653f67743f9SMarcel Holtmann #endif 654f67743f9SMarcel Holtmann 6551da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6561da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6571da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 658f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 659a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6607bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6611da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 662c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 66398a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6644b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 66524c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 666e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 667c9209b26SArchie Pusaka void (*reset)(struct hci_dev *hdev); 6684539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 669ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 670248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6719798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6729798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6739798fbdeSKiran K __u8 **vnd_data); 6741da177e4SLinus Torvalds }; 6751da177e4SLinus Torvalds 67653502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 67753502d69SAndrei Emeltchenko 67876b13996SManish Mandlik enum conn_reasons { 67976b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 68076b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 68176b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 68226afbd82SLuiz Augusto von Dentz CONN_REASON_ISO_CONNECT, 68376b13996SManish Mandlik }; 68476b13996SManish Mandlik 6851da177e4SLinus Torvalds struct hci_conn { 6861da177e4SLinus Torvalds struct list_head list; 6871da177e4SLinus Torvalds 6881da177e4SLinus Torvalds atomic_t refcnt; 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds bdaddr_t dst; 69129b7988aSAndre Guedes __u8 dst_type; 692662e8820SMarcel Holtmann bdaddr_t src; 693e7c4096eSMarcel Holtmann __u8 src_type; 694cb1d68f7SJohan Hedberg bdaddr_t init_addr; 695cb1d68f7SJohan Hedberg __u8 init_addr_type; 696cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 697cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6987087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6991da177e4SLinus Torvalds __u16 handle; 700eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle; 7011da177e4SLinus Torvalds __u16 state; 70204837f64SMarcel Holtmann __u8 mode; 7031da177e4SLinus Torvalds __u8 type; 70440bef302SJohan Hedberg __u8 role; 705a0c808b3SJohan Hedberg bool out; 7064c67bc74SMarcel Holtmann __u8 attempt; 7071da177e4SLinus Torvalds __u8 dev_class[3]; 708cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 709a8746417SMarcel Holtmann __u16 pkt_type; 71004837f64SMarcel Holtmann __u16 link_policy; 71113d39315SWaldemar Rymarkiewicz __u8 key_type; 71240be492fSMarcel Holtmann __u8 auth_type; 7138c1b2355SMarcel Holtmann __u8 sec_level; 714765c2a96SJohan Hedberg __u8 pending_sec_level; 715980e1a53SJohan Hedberg __u8 pin_length; 716726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 71717fa4b9dSJohan Hedberg __u8 io_capability; 71892a25256SJohan Hedberg __u32 passkey_notify; 71992a25256SJohan Hedberg __u8 passkey_entered; 720052b30b0SMarcel Holtmann __u16 disc_timeout; 72109ae260bSJohan Hedberg __u16 conn_timeout; 72210c62ddcSFrédéric Dalleau __u16 setting; 723302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7241e406eefSAndre Guedes __u16 le_conn_min_interval; 7251e406eefSAndre Guedes __u16 le_conn_max_interval; 726e04fde60SMarcel Holtmann __u16 le_conn_interval; 727e04fde60SMarcel Holtmann __u16 le_conn_latency; 728e04fde60SMarcel Holtmann __u16 le_supv_timeout; 729fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 730fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 731eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH]; 732eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data_len; 7331efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7341efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7355ae76a94SAndrzej Kaczmarek __s8 rssi; 7365a134faeSAndrzej Kaczmarek __s8 tx_power; 737d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 73826afbd82SLuiz Augusto von Dentz struct bt_iso_qos iso_qos; 73951a8efd7SJohan Hedberg unsigned long flags; 7401da177e4SLinus Torvalds 74176b13996SManish Mandlik enum conn_reasons conn_reason; 742a13f316eSLuiz Augusto von Dentz __u8 abort_reason; 74376b13996SManish Mandlik 74433f35721SJohan Hedberg __u32 clock; 74533f35721SJohan Hedberg __u16 clock_accuracy; 74633f35721SJohan Hedberg 747dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 748dd983808SAndrzej Kaczmarek 74903b555e1SJohan Hedberg __u8 remote_cap; 75003b555e1SJohan Hedberg __u8 remote_auth; 7513161ae1cSAndrei Emeltchenko __u8 remote_id; 75203b555e1SJohan Hedberg 7531da177e4SLinus Torvalds unsigned int sent; 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds struct sk_buff_head data_q; 7562c33c06aSGustavo F. Padovan struct list_head chan_list; 7571da177e4SLinus Torvalds 75819c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7597bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 760a74a84f6SJohan Hedberg struct delayed_work idle_work; 7619489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7621da177e4SLinus Torvalds 763b219e3acSMarcel Holtmann struct device dev; 76423b9ceb7SMarcel Holtmann struct dentry *debugfs; 765b219e3acSMarcel Holtmann 7661da177e4SLinus Torvalds struct hci_dev *hdev; 7671da177e4SLinus Torvalds void *l2cap_data; 7681da177e4SLinus Torvalds void *sco_data; 76926afbd82SLuiz Augusto von Dentz void *iso_data; 7709740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7711da177e4SLinus Torvalds 77206149746SLuiz Augusto von Dentz struct list_head link_list; 77306149746SLuiz Augusto von Dentz struct hci_conn *parent; 77406149746SLuiz Augusto von Dentz struct hci_link *link; 77506149746SLuiz Augusto von Dentz 776b2af264aSKiran K struct bt_codec codec; 777e9a416b5SJohan Hedberg 778e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 779e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 780e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 78126afbd82SLuiz Augusto von Dentz 78226afbd82SLuiz Augusto von Dentz void (*cleanup)(struct hci_conn *conn); 7831da177e4SLinus Torvalds }; 7841da177e4SLinus Torvalds 78506149746SLuiz Augusto von Dentz struct hci_link { 78606149746SLuiz Augusto von Dentz struct list_head list; 78706149746SLuiz Augusto von Dentz struct hci_conn *conn; 78806149746SLuiz Augusto von Dentz }; 78906149746SLuiz Augusto von Dentz 79073d80debSLuiz Augusto von Dentz struct hci_chan { 79173d80debSLuiz Augusto von Dentz struct list_head list; 79242c4e53eSAndrei Emeltchenko __u16 handle; 79373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 79473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 79573d80debSLuiz Augusto von Dentz unsigned int sent; 796168df8e5SMat Martineau __u8 state; 7975c4c8c95SArchie Pusaka bool amp; 79873d80debSLuiz Augusto von Dentz }; 79973d80debSLuiz Augusto von Dentz 80015819a70SAndre Guedes struct hci_conn_params { 80115819a70SAndre Guedes struct list_head list; 80293450c75SJohan Hedberg struct list_head action; 80315819a70SAndre Guedes 80415819a70SAndre Guedes bdaddr_t addr; 80515819a70SAndre Guedes u8 addr_type; 80615819a70SAndre Guedes 80715819a70SAndre Guedes u16 conn_min_interval; 80815819a70SAndre Guedes u16 conn_max_interval; 809f044eb05SMarcel Holtmann u16 conn_latency; 810f044eb05SMarcel Holtmann u16 supervision_timeout; 8119fcb18efSAndre Guedes 8129fcb18efSAndre Guedes enum { 8139fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 814a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 8154b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 8169fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 8179fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 818158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 8199fcb18efSAndre Guedes } auto_connect; 820f161dd41SJohan Hedberg 821f161dd41SJohan Hedberg struct hci_conn *conn; 822158e9218SJakub Pawlowski bool explicit_connect; 823195ef75eSPauli Virtanen /* Accessed without hdev->lock: */ 824e1cff700SLinus Torvalds hci_conn_flags_t flags; 825853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 82615819a70SAndre Guedes }; 82715819a70SAndre Guedes 8281da177e4SLinus Torvalds extern struct list_head hci_dev_list; 8291da177e4SLinus Torvalds extern struct list_head hci_cb_list; 8301da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 831fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 8321da177e4SLinus Torvalds 833eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 834eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 835eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 836eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 837eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 838eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 839eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 840d7a5a11dSMarcel Holtmann 841eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 842eacb44dfSMarcel Holtmann do { \ 843eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 844eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8452eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 846eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 847ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 848eacb44dfSMarcel Holtmann } while (0) 849516018a9SMarcel Holtmann 8504fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8514fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8524fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8534fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8544fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8554fc9857aSLuiz Augusto von Dentz 856686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 857e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 858e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8599b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 860686ebf28SUlisses Furquim 861ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 862e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8639b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 864ff50e8afSArron Wang #else 865ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 866ff50e8afSArron Wang __u8 *flags) 867ff50e8afSArron Wang { 868ff50e8afSArron Wang return 0; 869ff50e8afSArron Wang } 870ff50e8afSArron Wang 871ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 872ff50e8afSArron Wang { 873ff50e8afSArron Wang } 874ff50e8afSArron Wang #endif 875686ebf28SUlisses Furquim 876ccf74f23SLuiz Augusto von Dentz #if IS_ENABLED(CONFIG_BT_LE) 877ccf74f23SLuiz Augusto von Dentz int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 878ccf74f23SLuiz Augusto von Dentz void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 879ccf74f23SLuiz Augusto von Dentz #else 880ccf74f23SLuiz Augusto von Dentz static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 881ccf74f23SLuiz Augusto von Dentz __u8 *flags) 882ccf74f23SLuiz Augusto von Dentz { 883ccf74f23SLuiz Augusto von Dentz return 0; 884ccf74f23SLuiz Augusto von Dentz } 885ccf74f23SLuiz Augusto von Dentz static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, 886ccf74f23SLuiz Augusto von Dentz u16 flags) 887ccf74f23SLuiz Augusto von Dentz { 888ccf74f23SLuiz Augusto von Dentz } 889ccf74f23SLuiz Augusto von Dentz #endif 890ccf74f23SLuiz Augusto von Dentz 8911da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 89270f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 89370f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8941da177e4SLinus Torvalds 89530883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8961da177e4SLinus Torvalds { 897ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 89830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 89930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 90030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 901da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 90237eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 9031da177e4SLinus Torvalds } 9041da177e4SLinus Torvalds 9050256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 9060256325eSMarcel Holtmann { 90782f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 908da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 9090256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 9100256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 9110256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 9120256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 9132d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 9142d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 9150256325eSMarcel Holtmann } 9160256325eSMarcel Holtmann 91730dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 91830dc78e1SJohan Hedberg 919ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 920ff9ef578SJohan Hedberg 9211da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 9221da177e4SLinus Torvalds { 92330883512SJohan Hedberg return list_empty(&hdev->discovery.all); 9241da177e4SLinus Torvalds } 9251da177e4SLinus Torvalds 9261da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 9271da177e4SLinus Torvalds { 92830883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 9291da177e4SLinus Torvalds return jiffies - c->timestamp; 9301da177e4SLinus Torvalds } 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 9331da177e4SLinus Torvalds { 9341da177e4SLinus Torvalds return jiffies - e->timestamp; 9351da177e4SLinus Torvalds } 9361da177e4SLinus Torvalds 9375a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 9385a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 939561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 940561aafbcSJohan Hedberg bdaddr_t *bdaddr); 94130dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 94230dc78e1SJohan Hedberg bdaddr_t *bdaddr, 94330dc78e1SJohan Hedberg int state); 944a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 945a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 946af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 947af58925cSMarcel Holtmann bool name_known); 9481f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 9511da177e4SLinus Torvalds enum { 9521da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 95319f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9541da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 95504837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 95604837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 957e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 958b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 95958a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 960eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 961abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 96258a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 963af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9644dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9654dae2798SJohan Hedberg HCI_CONN_AUTH, 9664dae2798SJohan Hedberg HCI_CONN_SECURE, 9674dae2798SJohan Hedberg HCI_CONN_FIPS, 968fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 969977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 970f94b665dSJohan Hedberg HCI_CONN_DROP, 971b62e7220SLuiz Augusto von Dentz HCI_CONN_CANCEL, 97289cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 973fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 974158e9218SJakub Pawlowski HCI_CONN_SCANNING, 975160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 976eca0ae4aSLuiz Augusto von Dentz HCI_CONN_PER_ADV, 977a0bfde16SIulia Tanasescu HCI_CONN_BIG_CREATED, 9787f74563eSPauli Virtanen HCI_CONN_CREATE_CIS, 979*f777d882SIulia Tanasescu HCI_CONN_BIG_SYNC, 980*f777d882SIulia Tanasescu HCI_CONN_BIG_SYNC_FAILED, 9811da177e4SLinus Torvalds }; 9821da177e4SLinus Torvalds 983aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 984aa64a8b5SJohan Hedberg { 985aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 986d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 987c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 988aa64a8b5SJohan Hedberg } 989aa64a8b5SJohan Hedberg 990eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 991eb9a8f3fSMarcel Holtmann { 992eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 993d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 994eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 995eb9a8f3fSMarcel Holtmann } 996eb9a8f3fSMarcel Holtmann 9971da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9981da177e4SLinus Torvalds { 9991da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 1000d4b20f0bSLuiz Augusto von Dentz list_add_tail_rcu(&c->list, &h->list); 1001fcd89c09SVille Tervo switch (c->type) { 1002fcd89c09SVille Tervo case ACL_LINK: 10031da177e4SLinus Torvalds h->acl_num++; 1004fcd89c09SVille Tervo break; 1005bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1006bd1eb66bSAndrei Emeltchenko h->amp_num++; 1007bd1eb66bSAndrei Emeltchenko break; 1008fcd89c09SVille Tervo case LE_LINK: 1009fcd89c09SVille Tervo h->le_num++; 1010f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 101139bc74caSArchie Pusaka h->le_num_peripheral++; 1012fcd89c09SVille Tervo break; 1013fcd89c09SVille Tervo case SCO_LINK: 1014fcd89c09SVille Tervo case ESCO_LINK: 10151da177e4SLinus Torvalds h->sco_num++; 1016fcd89c09SVille Tervo break; 101726afbd82SLuiz Augusto von Dentz case ISO_LINK: 101826afbd82SLuiz Augusto von Dentz h->iso_num++; 101926afbd82SLuiz Augusto von Dentz break; 1020fcd89c09SVille Tervo } 10211da177e4SLinus Torvalds } 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 10241da177e4SLinus Torvalds { 10251da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 1026bf4c6325SGustavo F. Padovan 1027bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 1028bf4c6325SGustavo F. Padovan synchronize_rcu(); 1029bf4c6325SGustavo F. Padovan 1030fcd89c09SVille Tervo switch (c->type) { 1031fcd89c09SVille Tervo case ACL_LINK: 10321da177e4SLinus Torvalds h->acl_num--; 1033fcd89c09SVille Tervo break; 1034bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1035bd1eb66bSAndrei Emeltchenko h->amp_num--; 1036bd1eb66bSAndrei Emeltchenko break; 1037fcd89c09SVille Tervo case LE_LINK: 1038fcd89c09SVille Tervo h->le_num--; 1039f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 104039bc74caSArchie Pusaka h->le_num_peripheral--; 1041fcd89c09SVille Tervo break; 1042fcd89c09SVille Tervo case SCO_LINK: 1043fcd89c09SVille Tervo case ESCO_LINK: 10441da177e4SLinus Torvalds h->sco_num--; 1045fcd89c09SVille Tervo break; 104626afbd82SLuiz Augusto von Dentz case ISO_LINK: 104726afbd82SLuiz Augusto von Dentz h->iso_num--; 104826afbd82SLuiz Augusto von Dentz break; 1049fcd89c09SVille Tervo } 10501da177e4SLinus Torvalds } 10511da177e4SLinus Torvalds 105252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 105352087a79SLuiz Augusto von Dentz { 105452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 105552087a79SLuiz Augusto von Dentz switch (type) { 105652087a79SLuiz Augusto von Dentz case ACL_LINK: 105752087a79SLuiz Augusto von Dentz return h->acl_num; 1058bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1059bd1eb66bSAndrei Emeltchenko return h->amp_num; 106052087a79SLuiz Augusto von Dentz case LE_LINK: 106152087a79SLuiz Augusto von Dentz return h->le_num; 106252087a79SLuiz Augusto von Dentz case SCO_LINK: 106352087a79SLuiz Augusto von Dentz case ESCO_LINK: 106452087a79SLuiz Augusto von Dentz return h->sco_num; 106526afbd82SLuiz Augusto von Dentz case ISO_LINK: 106626afbd82SLuiz Augusto von Dentz return h->iso_num; 106752087a79SLuiz Augusto von Dentz default: 106852087a79SLuiz Augusto von Dentz return 0; 106952087a79SLuiz Augusto von Dentz } 107052087a79SLuiz Augusto von Dentz } 107152087a79SLuiz Augusto von Dentz 1072f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1073f4f07505SJohan Hedberg { 1074f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1075f4f07505SJohan Hedberg 107626afbd82SLuiz Augusto von Dentz return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num; 1077f4f07505SJohan Hedberg } 1078f4f07505SJohan Hedberg 1079845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1080845472e8SMarcel Holtmann { 1081845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1082845472e8SMarcel Holtmann struct hci_conn *c; 1083845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1084845472e8SMarcel Holtmann 1085845472e8SMarcel Holtmann rcu_read_lock(); 1086845472e8SMarcel Holtmann 1087845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1088845472e8SMarcel Holtmann if (c->handle == handle) { 1089845472e8SMarcel Holtmann type = c->type; 1090845472e8SMarcel Holtmann break; 1091845472e8SMarcel Holtmann } 1092845472e8SMarcel Holtmann } 1093845472e8SMarcel Holtmann 1094845472e8SMarcel Holtmann rcu_read_unlock(); 1095845472e8SMarcel Holtmann 1096845472e8SMarcel Holtmann return type; 1097845472e8SMarcel Holtmann } 1098845472e8SMarcel Holtmann 1099eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev, 11006a42e9bfSIulia Tanasescu bdaddr_t *ba, __u8 bis) 1101eca0ae4aSLuiz Augusto von Dentz { 1102eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1103eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1104eca0ae4aSLuiz Augusto von Dentz 1105eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1106eca0ae4aSLuiz Augusto von Dentz 1107eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1108eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, ba) || c->type != ISO_LINK) 1109eca0ae4aSLuiz Augusto von Dentz continue; 1110eca0ae4aSLuiz Augusto von Dentz 11116a42e9bfSIulia Tanasescu if (c->iso_qos.bcast.bis == bis) { 1112eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1113eca0ae4aSLuiz Augusto von Dentz return c; 1114eca0ae4aSLuiz Augusto von Dentz } 1115eca0ae4aSLuiz Augusto von Dentz } 1116eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1117eca0ae4aSLuiz Augusto von Dentz 1118eca0ae4aSLuiz Augusto von Dentz return NULL; 1119eca0ae4aSLuiz Augusto von Dentz } 1120eca0ae4aSLuiz Augusto von Dentz 1121a0bfde16SIulia Tanasescu static inline struct hci_conn * 1122a0bfde16SIulia Tanasescu hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev, 1123a0bfde16SIulia Tanasescu bdaddr_t *ba, 1124a0bfde16SIulia Tanasescu __u8 big, __u8 bis) 1125a0bfde16SIulia Tanasescu { 1126a0bfde16SIulia Tanasescu struct hci_conn_hash *h = &hdev->conn_hash; 1127a0bfde16SIulia Tanasescu struct hci_conn *c; 1128a0bfde16SIulia Tanasescu 1129a0bfde16SIulia Tanasescu rcu_read_lock(); 1130a0bfde16SIulia Tanasescu 1131a0bfde16SIulia Tanasescu list_for_each_entry_rcu(c, &h->list, list) { 1132a0bfde16SIulia Tanasescu if (bacmp(&c->dst, ba) || c->type != ISO_LINK || 1133a0bfde16SIulia Tanasescu !test_bit(HCI_CONN_PER_ADV, &c->flags)) 1134a0bfde16SIulia Tanasescu continue; 1135a0bfde16SIulia Tanasescu 1136a0bfde16SIulia Tanasescu if (c->iso_qos.bcast.big == big && 1137a0bfde16SIulia Tanasescu c->iso_qos.bcast.bis == bis) { 1138a0bfde16SIulia Tanasescu rcu_read_unlock(); 1139a0bfde16SIulia Tanasescu return c; 1140a0bfde16SIulia Tanasescu } 1141a0bfde16SIulia Tanasescu } 1142a0bfde16SIulia Tanasescu rcu_read_unlock(); 1143a0bfde16SIulia Tanasescu 1144a0bfde16SIulia Tanasescu return NULL; 1145a0bfde16SIulia Tanasescu } 1146a0bfde16SIulia Tanasescu 11471da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 11481da177e4SLinus Torvalds __u16 handle) 11491da177e4SLinus Torvalds { 11501da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11511da177e4SLinus Torvalds struct hci_conn *c; 11521da177e4SLinus Torvalds 1153bf4c6325SGustavo F. Padovan rcu_read_lock(); 1154bf4c6325SGustavo F. Padovan 1155bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1156bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1157bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11581da177e4SLinus Torvalds return c; 11591da177e4SLinus Torvalds } 1160bf4c6325SGustavo F. Padovan } 1161bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1162bf4c6325SGustavo F. Padovan 11631da177e4SLinus Torvalds return NULL; 11641da177e4SLinus Torvalds } 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 11671da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 11681da177e4SLinus Torvalds { 11691da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11701da177e4SLinus Torvalds struct hci_conn *c; 11711da177e4SLinus Torvalds 1172bf4c6325SGustavo F. Padovan rcu_read_lock(); 1173bf4c6325SGustavo F. Padovan 1174bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1175bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1176bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11771da177e4SLinus Torvalds return c; 11781da177e4SLinus Torvalds } 1179bf4c6325SGustavo F. Padovan } 1180bf4c6325SGustavo F. Padovan 1181bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1182bf4c6325SGustavo F. Padovan 11831da177e4SLinus Torvalds return NULL; 11841da177e4SLinus Torvalds } 11851da177e4SLinus Torvalds 11861b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 11871b51c7b6SJohan Hedberg bdaddr_t *ba, 11881b51c7b6SJohan Hedberg __u8 ba_type) 11891b51c7b6SJohan Hedberg { 11901b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 11911b51c7b6SJohan Hedberg struct hci_conn *c; 11921b51c7b6SJohan Hedberg 11931b51c7b6SJohan Hedberg rcu_read_lock(); 11941b51c7b6SJohan Hedberg 11951b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 11961b51c7b6SJohan Hedberg if (c->type != LE_LINK) 11971b51c7b6SJohan Hedberg continue; 11981b51c7b6SJohan Hedberg 11991b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 12001b51c7b6SJohan Hedberg rcu_read_unlock(); 12011b51c7b6SJohan Hedberg return c; 12021b51c7b6SJohan Hedberg } 12031b51c7b6SJohan Hedberg } 12041b51c7b6SJohan Hedberg 12051b51c7b6SJohan Hedberg rcu_read_unlock(); 12061b51c7b6SJohan Hedberg 12071b51c7b6SJohan Hedberg return NULL; 12081b51c7b6SJohan Hedberg } 12091b51c7b6SJohan Hedberg 121026afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev, 121126afbd82SLuiz Augusto von Dentz bdaddr_t *ba, 1212c14516faSLuiz Augusto von Dentz __u8 ba_type, 1213c14516faSLuiz Augusto von Dentz __u8 cig, 1214c14516faSLuiz Augusto von Dentz __u8 id) 121526afbd82SLuiz Augusto von Dentz { 121626afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 121726afbd82SLuiz Augusto von Dentz struct hci_conn *c; 121826afbd82SLuiz Augusto von Dentz 121926afbd82SLuiz Augusto von Dentz rcu_read_lock(); 122026afbd82SLuiz Augusto von Dentz 122126afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 122226afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 122326afbd82SLuiz Augusto von Dentz continue; 122426afbd82SLuiz Augusto von Dentz 1225c14516faSLuiz Augusto von Dentz /* Match CIG ID if set */ 1226c14516faSLuiz Augusto von Dentz if (cig != BT_ISO_QOS_CIG_UNSET && cig != c->iso_qos.ucast.cig) 1227c14516faSLuiz Augusto von Dentz continue; 1228c14516faSLuiz Augusto von Dentz 1229c14516faSLuiz Augusto von Dentz /* Match CIS ID if set */ 1230c14516faSLuiz Augusto von Dentz if (id != BT_ISO_QOS_CIS_UNSET && id != c->iso_qos.ucast.cis) 1231c14516faSLuiz Augusto von Dentz continue; 1232c14516faSLuiz Augusto von Dentz 123371e95884SPauli Virtanen /* Match destination address if set */ 123471e95884SPauli Virtanen if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) { 123526afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 123626afbd82SLuiz Augusto von Dentz return c; 123726afbd82SLuiz Augusto von Dentz } 123826afbd82SLuiz Augusto von Dentz } 123926afbd82SLuiz Augusto von Dentz 124026afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 124126afbd82SLuiz Augusto von Dentz 124226afbd82SLuiz Augusto von Dentz return NULL; 124326afbd82SLuiz Augusto von Dentz } 124426afbd82SLuiz Augusto von Dentz 124526afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev, 124626afbd82SLuiz Augusto von Dentz __u8 handle) 124726afbd82SLuiz Augusto von Dentz { 124826afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 124926afbd82SLuiz Augusto von Dentz struct hci_conn *c; 125026afbd82SLuiz Augusto von Dentz 125126afbd82SLuiz Augusto von Dentz rcu_read_lock(); 125226afbd82SLuiz Augusto von Dentz 125326afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 125426afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 125526afbd82SLuiz Augusto von Dentz continue; 125626afbd82SLuiz Augusto von Dentz 12570fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.ucast.cig) { 125826afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 125926afbd82SLuiz Augusto von Dentz return c; 126026afbd82SLuiz Augusto von Dentz } 126126afbd82SLuiz Augusto von Dentz } 126226afbd82SLuiz Augusto von Dentz 126326afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 126426afbd82SLuiz Augusto von Dentz 126526afbd82SLuiz Augusto von Dentz return NULL; 126626afbd82SLuiz Augusto von Dentz } 126726afbd82SLuiz Augusto von Dentz 1268eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, 1269eca0ae4aSLuiz Augusto von Dentz __u8 handle) 1270eca0ae4aSLuiz Augusto von Dentz { 1271eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1272eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1273eca0ae4aSLuiz Augusto von Dentz 1274eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1275eca0ae4aSLuiz Augusto von Dentz 1276eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1277eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK) 1278eca0ae4aSLuiz Augusto von Dentz continue; 1279eca0ae4aSLuiz Augusto von Dentz 12800fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.bcast.big) { 1281eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1282eca0ae4aSLuiz Augusto von Dentz return c; 1283eca0ae4aSLuiz Augusto von Dentz } 1284eca0ae4aSLuiz Augusto von Dentz } 1285eca0ae4aSLuiz Augusto von Dentz 1286eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1287eca0ae4aSLuiz Augusto von Dentz 1288eca0ae4aSLuiz Augusto von Dentz return NULL; 1289eca0ae4aSLuiz Augusto von Dentz } 1290eca0ae4aSLuiz Augusto von Dentz 1291*f777d882SIulia Tanasescu static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev, 1292*f777d882SIulia Tanasescu __u8 handle) 1293*f777d882SIulia Tanasescu { 1294*f777d882SIulia Tanasescu struct hci_conn_hash *h = &hdev->conn_hash; 1295*f777d882SIulia Tanasescu struct hci_conn *c; 1296*f777d882SIulia Tanasescu 1297*f777d882SIulia Tanasescu rcu_read_lock(); 1298*f777d882SIulia Tanasescu 1299*f777d882SIulia Tanasescu list_for_each_entry_rcu(c, &h->list, list) { 1300*f777d882SIulia Tanasescu if (c->type != ISO_LINK) 1301*f777d882SIulia Tanasescu continue; 1302*f777d882SIulia Tanasescu 1303*f777d882SIulia Tanasescu if (handle == c->iso_qos.bcast.big) { 1304*f777d882SIulia Tanasescu rcu_read_unlock(); 1305*f777d882SIulia Tanasescu return c; 1306*f777d882SIulia Tanasescu } 1307*f777d882SIulia Tanasescu } 1308*f777d882SIulia Tanasescu 1309*f777d882SIulia Tanasescu rcu_read_unlock(); 1310*f777d882SIulia Tanasescu 1311*f777d882SIulia Tanasescu return NULL; 1312*f777d882SIulia Tanasescu } 1313*f777d882SIulia Tanasescu 13144c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 13154c67bc74SMarcel Holtmann __u8 type, __u16 state) 13164c67bc74SMarcel Holtmann { 13174c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 13184c67bc74SMarcel Holtmann struct hci_conn *c; 13194c67bc74SMarcel Holtmann 1320bf4c6325SGustavo F. Padovan rcu_read_lock(); 1321bf4c6325SGustavo F. Padovan 1322bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1323bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1324bf4c6325SGustavo F. Padovan rcu_read_unlock(); 13254c67bc74SMarcel Holtmann return c; 13264c67bc74SMarcel Holtmann } 1327bf4c6325SGustavo F. Padovan } 1328bf4c6325SGustavo F. Padovan 1329bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1330bf4c6325SGustavo F. Padovan 13314c67bc74SMarcel Holtmann return NULL; 13324c67bc74SMarcel Holtmann } 13334c67bc74SMarcel Holtmann 133426afbd82SLuiz Augusto von Dentz typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); 133526afbd82SLuiz Augusto von Dentz static inline void hci_conn_hash_list_state(struct hci_dev *hdev, 133626afbd82SLuiz Augusto von Dentz hci_conn_func_t func, __u8 type, 133726afbd82SLuiz Augusto von Dentz __u16 state, void *data) 133826afbd82SLuiz Augusto von Dentz { 133926afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 134026afbd82SLuiz Augusto von Dentz struct hci_conn *c; 134126afbd82SLuiz Augusto von Dentz 134226afbd82SLuiz Augusto von Dentz if (!func) 134326afbd82SLuiz Augusto von Dentz return; 134426afbd82SLuiz Augusto von Dentz 134526afbd82SLuiz Augusto von Dentz rcu_read_lock(); 134626afbd82SLuiz Augusto von Dentz 134726afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 134826afbd82SLuiz Augusto von Dentz if (c->type == type && c->state == state) 134926afbd82SLuiz Augusto von Dentz func(c, data); 135026afbd82SLuiz Augusto von Dentz } 135126afbd82SLuiz Augusto von Dentz 135226afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 135326afbd82SLuiz Augusto von Dentz } 135426afbd82SLuiz Augusto von Dentz 1355e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1356e7d9ab73SJakub Pawlowski { 1357e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1358e7d9ab73SJakub Pawlowski struct hci_conn *c; 1359e7d9ab73SJakub Pawlowski 1360e7d9ab73SJakub Pawlowski rcu_read_lock(); 1361e7d9ab73SJakub Pawlowski 1362e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1363e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1364e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1365e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1366e7d9ab73SJakub Pawlowski return c; 1367e7d9ab73SJakub Pawlowski } 1368e7d9ab73SJakub Pawlowski } 1369e7d9ab73SJakub Pawlowski 1370e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1371e7d9ab73SJakub Pawlowski 1372e7d9ab73SJakub Pawlowski return NULL; 1373e7d9ab73SJakub Pawlowski } 1374e7d9ab73SJakub Pawlowski 1375e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 13762dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1377e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 137826afbd82SLuiz Augusto von Dentz bool hci_iso_setup_path(struct hci_conn *conn); 13797f74563eSPauli Virtanen int hci_le_create_cis_pending(struct hci_dev *hdev); 13807f74563eSPauli Virtanen int hci_conn_check_create_cis(struct hci_conn *conn); 13811da177e4SLinus Torvalds 1382a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1383a5c4e309SJohan Hedberg u8 role); 1384a2ac591cSRuihan Li void hci_conn_del(struct hci_conn *conn); 13851da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1386a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 13871da177e4SLinus Torvalds 138873d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 13899472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 13902c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 139142c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 139273d80debSLuiz Augusto von Dentz 1393f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1394f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 139576b13996SManish Mandlik u16 conn_timeout, 139676b13996SManish Mandlik enum conn_reasons conn_reason); 139704a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1398d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 13998e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 140004a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 140176b13996SManish Mandlik u8 sec_level, u8 auth_type, 140276b13996SManish Mandlik enum conn_reasons conn_reason); 140310c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1404b2af264aSKiran K __u16 setting, struct bt_codec *codec); 140526afbd82SLuiz Augusto von Dentz struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, 140626afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1407a0bfde16SIulia Tanasescu struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst, 1408a0bfde16SIulia Tanasescu struct bt_iso_qos *qos, 1409a0bfde16SIulia Tanasescu __u8 base_len, __u8 *base); 141026afbd82SLuiz Augusto von Dentz struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst, 141126afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1412eca0ae4aSLuiz Augusto von Dentz struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst, 1413eca0ae4aSLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos, 1414eca0ae4aSLuiz Augusto von Dentz __u8 data_len, __u8 *data); 1415eca0ae4aSLuiz Augusto von Dentz int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type, 14160fe8c8d0SIulia Tanasescu __u8 sid, struct bt_iso_qos *qos); 1417eca0ae4aSLuiz Augusto von Dentz int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos, 1418eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle, __u8 num_bis, __u8 bis[]); 1419e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1420b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1421e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1422e7cafc45SJohan Hedberg bool initiator); 14238c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 14241da177e4SLinus Torvalds 142514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 14261da177e4SLinus Torvalds 14279b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 142806c053fbSAndre Guedes 14298d12356fSDavid Herrmann /* 14308d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 14318d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 14328d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 14338d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 14348d12356fSDavid Herrmann * other constant data. 14358d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 14368d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 14378d12356fSDavid Herrmann * get dropped, though. 14388d12356fSDavid Herrmann * 14398d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 14408d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 14418d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 14428d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 14438d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 14448d12356fSDavid Herrmann * hci_conn_add()). 14458d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 14468d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 14478d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 14488d12356fSDavid Herrmann */ 14498d12356fSDavid Herrmann 145051bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 14518d12356fSDavid Herrmann { 14528d12356fSDavid Herrmann get_device(&conn->dev); 145351bb8457SJohan Hedberg return conn; 14548d12356fSDavid Herrmann } 14558d12356fSDavid Herrmann 14568d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 14578d12356fSDavid Herrmann { 14588d12356fSDavid Herrmann put_device(&conn->dev); 14598d12356fSDavid Herrmann } 14608d12356fSDavid Herrmann 146106149746SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn) 14621da177e4SLinus Torvalds { 146371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 146438b3fef1SAndrei Emeltchenko 14651da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 14662f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 146706149746SLuiz Augusto von Dentz 146806149746SLuiz Augusto von Dentz return conn; 14691da177e4SLinus Torvalds } 14701da177e4SLinus Torvalds 147176a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 14721da177e4SLinus Torvalds { 147371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 147438b3fef1SAndrei Emeltchenko 14751da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 147604837f64SMarcel Holtmann unsigned long timeo; 1477716e4ab5SAndrei Emeltchenko 1478716e4ab5SAndrei Emeltchenko switch (conn->type) { 1479716e4ab5SAndrei Emeltchenko case ACL_LINK: 1480716e4ab5SAndrei Emeltchenko case LE_LINK: 1481a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 14826ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 14835f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 148404837f64SMarcel Holtmann if (!conn->out) 1485052b30b0SMarcel Holtmann timeo *= 2; 14865a9d0a3fSWaldemar Rymarkiewicz } else { 1487eb78d7e5SJohan Hedberg timeo = 0; 14885a9d0a3fSWaldemar Rymarkiewicz } 1489716e4ab5SAndrei Emeltchenko break; 1490716e4ab5SAndrei Emeltchenko 1491716e4ab5SAndrei Emeltchenko case AMP_LINK: 1492716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1493716e4ab5SAndrei Emeltchenko break; 1494716e4ab5SAndrei Emeltchenko 1495716e4ab5SAndrei Emeltchenko default: 1496eb78d7e5SJohan Hedberg timeo = 0; 1497716e4ab5SAndrei Emeltchenko break; 14985a9d0a3fSWaldemar Rymarkiewicz } 1499716e4ab5SAndrei Emeltchenko 15002f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 150119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 15021931782bSVinicius Costa Gomes &conn->disc_work, timeo); 15031da177e4SLinus Torvalds } 15041da177e4SLinus Torvalds } 15051da177e4SLinus Torvalds 15061da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1507dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 15081da177e4SLinus Torvalds { 1509376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 15102c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1511376261aeSAndrei Emeltchenko 15124c724c71SDavid Herrmann put_device(&d->dev); 1513010666a1SDavid Herrmann } 15141da177e4SLinus Torvalds 1515dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 15161da177e4SLinus Torvalds { 1517376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 15182c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1519376261aeSAndrei Emeltchenko 15204c724c71SDavid Herrmann get_device(&d->dev); 15211da177e4SLinus Torvalds return d; 15221da177e4SLinus Torvalds } 15231da177e4SLinus Torvalds 152409fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 152509fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 15261da177e4SLinus Torvalds 1527aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 15283dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1529aa2b86d7SDavid Herrmann 1530155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1531155961e8SDavid Herrmann { 1532155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1533155961e8SDavid Herrmann } 1534155961e8SDavid Herrmann 1535155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1536155961e8SDavid Herrmann { 1537155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1538155961e8SDavid Herrmann } 1539155961e8SDavid Herrmann 15406ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 15416ec56613STedd Ho-Jeong An { 15426ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 15436ec56613STedd Ho-Jeong An } 15446ec56613STedd Ho-Jeong An 15451da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 154639385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 15471da177e4SLinus Torvalds 15486ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 15496ec56613STedd Ho-Jeong An 15506ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 15516ec56613STedd Ho-Jeong An { 15526ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 15536ec56613STedd Ho-Jeong An } 15546ec56613STedd Ho-Jeong An 15551da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 15561da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 155759735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 155858ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1559359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1560359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 15611da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 15621da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 156375e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1564f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1565f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 15661aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 15671aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1568145373cbSMiao-chen Chou 1569145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1570145373cbSMiao-chen Chou { 1571145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1572145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1573145373cbSMiao-chen Chou #endif 1574145373cbSMiao-chen Chou } 1575145373cbSMiao-chen Chou 1576f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1577f67743f9SMarcel Holtmann { 1578f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1579f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1580f67743f9SMarcel Holtmann #endif 1581f67743f9SMarcel Holtmann } 1582f67743f9SMarcel Holtmann 15839695ef87SAbhishek Pandit-Subedi static inline void hci_devcd_setup(struct hci_dev *hdev) 15849695ef87SAbhishek Pandit-Subedi { 15859695ef87SAbhishek Pandit-Subedi #ifdef CONFIG_DEV_COREDUMP 15869695ef87SAbhishek Pandit-Subedi INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx); 15879695ef87SAbhishek Pandit-Subedi INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout); 15889695ef87SAbhishek Pandit-Subedi skb_queue_head_init(&hdev->dump.dump_q); 15899695ef87SAbhishek Pandit-Subedi #endif 15909695ef87SAbhishek Pandit-Subedi } 15919695ef87SAbhishek Pandit-Subedi 15921da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 15931da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 15946b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 15951da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 15961da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 15971da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 15981da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 15991da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 16001da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 16011da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 160240be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 16031da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 16041da177e4SLinus Torvalds 1605dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1606b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1607b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1608b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1609b950aa88SAnkit Navik u8 type); 16108baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 16118baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 16128baaa403SAbhishek Pandit-Subedi u8 type); 1613dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1614b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1615b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 16168baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 16178baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1618dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1619b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1620b950aa88SAnkit Navik u8 type); 16218baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 16228baaa403SAbhishek Pandit-Subedi u8 type); 1623dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1624d2ab0ac1SMarcel Holtmann 162515819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 162615819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 162751d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 162851d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 162915819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 163055af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 1631195ef75eSPauli Virtanen void hci_conn_params_free(struct hci_conn_params *param); 163215819a70SAndre Guedes 1633195ef75eSPauli Virtanen void hci_pend_le_list_del_init(struct hci_conn_params *param); 1634195ef75eSPauli Virtanen void hci_pend_le_list_add(struct hci_conn_params *param, 1635195ef75eSPauli Virtanen struct list_head *list); 1636501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1637501f8827SJohan Hedberg bdaddr_t *addr, 1638501f8827SJohan Hedberg u8 addr_type); 163977a77a30SAndre Guedes 164035f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 16412aeb9a1aSJohan Hedberg 164235f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 164355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1644567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 16457652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 16467652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1647ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 164835d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1649fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1650f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1651e804d25dSJohan Hedberg u8 addr_type, u8 role); 1652e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 165335f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 165455ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 165555ed8ca1SJohan Hedberg 1656970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1657970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1658970c4e46SJohan Hedberg u8 addr_type); 1659ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1660ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1661a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1662600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1663600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1664970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1665970c4e46SJohan Hedberg 166655e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 166755e76b38SJohan Hedberg 166835f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 16692763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 16706928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 16710798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 16726928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 167338da1703SJohan Hedberg u8 *hash256, u8 *rand256); 16746928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 16756928a924SJohan Hedberg u8 bdaddr_type); 16762763eda6SSzymon Janc 1677d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1678d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1679d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1680eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance, 1681eca0ae4aSLuiz Augusto von Dentz u32 flags, u16 adv_data_len, u8 *adv_data, 1682d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 16839bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 1684b338d917SBrian Gix u32 min_interval, u32 max_interval, 1685b338d917SBrian Gix u8 mesh_handle); 1686eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, 1687eca0ae4aSLuiz Augusto von Dentz u32 flags, u8 data_len, u8 *data, 1688eca0ae4aSLuiz Augusto von Dentz u32 min_interval, u32 max_interval); 168931aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 169031aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 169131aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1692d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1693a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 169401ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 169501ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1696d2609b34SFlorian Grandel 1697e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 169866bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1699b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 17007cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 17017cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 17028208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1703a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1704e5e1e7fdSMiao-chen Chou 17051da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 17061da177e4SLinus Torvalds 17070ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1708a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1709b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1710b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 17111da177e4SLinus Torvalds 17126935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 1713294d749bSKiran K #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent) 17141da177e4SLinus Torvalds 17151da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1716cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1717cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1718cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1719cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1720cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1721cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1722cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1723cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1724cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1725cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1726cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 17278b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1728cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1729cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1730cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1731cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1732cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1733cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1734cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 173507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 17365075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 17375075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 17385075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 17395075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 17401da177e4SLinus Torvalds 1741eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 17426397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 17436397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 174453b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 174553b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1746d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1747d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 174853b834d2SMarcel Holtmann 174953b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1750cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1751d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1752cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1753cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1754eead27daSAndre Guedes 1755d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1756d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 175705b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1758d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1759c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1760c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1761c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1762c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1763432df05eSJohan Hedberg 176445bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 176545bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 176645bdd86eSJaganath Kanakkassery 1767288c9022SLuiz Augusto von Dentz #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M)) 1768288c9022SLuiz Augusto von Dentz 176945bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 177045bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 177145bdd86eSJaganath Kanakkassery 1772288c9022SLuiz Augusto von Dentz #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED)) 1773288c9022SLuiz Augusto von Dentz 177445bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 177545bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 177645bdd86eSJaganath Kanakkassery 1777ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1778ad383c2cSLuiz Augusto von Dentz 1779e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1780ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1781ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1782e1d57235SMarcel Holtmann 17836126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 17846126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 17856126ffabSLuiz Augusto von Dentz 178605abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 178705abad85SLuiz Augusto von Dentz * has not been set. 178805abad85SLuiz Augusto von Dentz */ 178905abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 179005abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 179105abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1792b2af264aSKiran K 1793a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1794a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1795392fca35SSven Peter ((dev)->commands[37] & 0x40) && \ 1796392fca35SSven Peter !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks)) 1797392fca35SSven Peter 17984d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 17994d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1800a2344b9eSJaganath Kanakkassery 18016b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 18026b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 18036b49bcb4SJaganath Kanakkassery 1804a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1805a56a1138SLuiz Augusto von Dentz * 1806a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1807a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1808a56a1138SLuiz Augusto von Dentz */ 1809a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1810a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1811a56a1138SLuiz Augusto von Dentz 1812eca0ae4aSLuiz Augusto von Dentz /* Periodic advertising support */ 1813eca0ae4aSLuiz Augusto von Dentz #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV)) 1814eca0ae4aSLuiz Augusto von Dentz 1815eca0ae4aSLuiz Augusto von Dentz /* CIS Master/Slave and BIS support */ 1816eca0ae4aSLuiz Augusto von Dentz #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev)) 181726afbd82SLuiz Augusto von Dentz #define cis_capable(dev) \ 181826afbd82SLuiz Augusto von Dentz (cis_central_capable(dev) || cis_peripheral_capable(dev)) 181926afbd82SLuiz Augusto von Dentz #define cis_central_capable(dev) \ 182026afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL) 182126afbd82SLuiz Augusto von Dentz #define cis_peripheral_capable(dev) \ 182226afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL) 1823eca0ae4aSLuiz Augusto von Dentz #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER) 1824ae753361SClaudia Draghicescu #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER) 182526afbd82SLuiz Augusto von Dentz 1826ffcb0a44SSven Peter #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \ 1827ffcb0a44SSven Peter (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks))) 1828ffcb0a44SSven Peter 18291da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 183020714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 183120714bfeSFrédéric Dalleau 18325a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 183320714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 18341da177e4SLinus Torvalds { 1835686ebf28SUlisses Furquim switch (type) { 1836686ebf28SUlisses Furquim case ACL_LINK: 1837686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 18381da177e4SLinus Torvalds 1839686ebf28SUlisses Furquim case SCO_LINK: 1840686ebf28SUlisses Furquim case ESCO_LINK: 184120714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 18421da177e4SLinus Torvalds 184326afbd82SLuiz Augusto von Dentz case ISO_LINK: 1844ccf74f23SLuiz Augusto von Dentz return iso_connect_ind(hdev, bdaddr, flags); 184526afbd82SLuiz Augusto von Dentz 1846686ebf28SUlisses Furquim default: 1847686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1848686ebf28SUlisses Furquim return -EINVAL; 1849686ebf28SUlisses Furquim } 18501da177e4SLinus Torvalds } 18511da177e4SLinus Torvalds 18522950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 18532950f21aSMarcel Holtmann { 1854686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1855686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 18562950f21aSMarcel Holtmann 1857686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 18582950f21aSMarcel Holtmann } 18592950f21aSMarcel Holtmann 18601da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 18611da177e4SLinus Torvalds struct hci_cb { 18621da177e4SLinus Torvalds struct list_head list; 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds char *name; 18651da177e4SLinus Torvalds 1866539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 18673a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 18685a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 18695a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 18701da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 18711da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 18721da177e4SLinus Torvalds }; 18731da177e4SLinus Torvalds 1874539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1875539c496dSJohan Hedberg { 1876539c496dSJohan Hedberg struct hci_cb *cb; 1877539c496dSJohan Hedberg 1878539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1879539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1880539c496dSJohan Hedberg if (cb->connect_cfm) 1881539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1882539c496dSJohan Hedberg } 1883539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1884539c496dSJohan Hedberg 1885539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1886539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1887539c496dSJohan Hedberg } 1888539c496dSJohan Hedberg 18893a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 18903a6d576bSJohan Hedberg { 18913a6d576bSJohan Hedberg struct hci_cb *cb; 18923a6d576bSJohan Hedberg 18933a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 18943a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 18953a6d576bSJohan Hedberg if (cb->disconn_cfm) 18963a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 18973a6d576bSJohan Hedberg } 18983a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18993a6d576bSJohan Hedberg 19003a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 19013a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 19023a6d576bSJohan Hedberg } 19033a6d576bSJohan Hedberg 19041da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 19051da177e4SLinus Torvalds { 1906711584eaSDenis Kirjanov struct hci_cb *cb; 19078c1b2355SMarcel Holtmann __u8 encrypt; 19081da177e4SLinus Torvalds 190951a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 19108c1b2355SMarcel Holtmann return; 19118c1b2355SMarcel Holtmann 19124dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 19138c1b2355SMarcel Holtmann 1914fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1915711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19168c1b2355SMarcel Holtmann if (cb->security_cfm) 19178c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 19181da177e4SLinus Torvalds } 1919fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1920354fe804SJohan Hedberg 1921354fe804SJohan Hedberg if (conn->security_cfm_cb) 1922354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 19231da177e4SLinus Torvalds } 19241da177e4SLinus Torvalds 19253ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 19261da177e4SLinus Torvalds { 1927711584eaSDenis Kirjanov struct hci_cb *cb; 19283ca44c16SLuiz Augusto von Dentz __u8 encrypt; 19293ca44c16SLuiz Augusto von Dentz 19303ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1931339ddaa6SPatrick Steinhardt if (!status) 19323ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 19333ca44c16SLuiz Augusto von Dentz 19343ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 19353ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 19363ca44c16SLuiz Augusto von Dentz return; 19373ca44c16SLuiz Augusto von Dentz } 19383ca44c16SLuiz Augusto von Dentz 19393ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 19403ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 19413ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 19423ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 19433ca44c16SLuiz Augusto von Dentz else 19443ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 19451da177e4SLinus Torvalds 19468746f135SLuiz Augusto von Dentz if (!status) { 1947435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1948435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1949435fef20SMarcel Holtmann 195088167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 195188167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 19528746f135SLuiz Augusto von Dentz } 195388167aedSVinicius Costa Gomes 1954fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1955711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19568c1b2355SMarcel Holtmann if (cb->security_cfm) 19578c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 19581da177e4SLinus Torvalds } 1959fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1960354fe804SJohan Hedberg 1961354fe804SJohan Hedberg if (conn->security_cfm_cb) 1962354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 19631da177e4SLinus Torvalds } 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 19661da177e4SLinus Torvalds { 1967711584eaSDenis Kirjanov struct hci_cb *cb; 19681da177e4SLinus Torvalds 1969fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1970711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19711da177e4SLinus Torvalds if (cb->key_change_cfm) 19721da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 19731da177e4SLinus Torvalds } 1974fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 19751da177e4SLinus Torvalds } 19761da177e4SLinus Torvalds 19775a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 19785a9d0a3fSWaldemar Rymarkiewicz __u8 role) 19791da177e4SLinus Torvalds { 1980711584eaSDenis Kirjanov struct hci_cb *cb; 19811da177e4SLinus Torvalds 1982fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1983711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19841da177e4SLinus Torvalds if (cb->role_switch_cfm) 19851da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 19861da177e4SLinus Torvalds } 1987fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 19881da177e4SLinus Torvalds } 19891da177e4SLinus Torvalds 1990301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1991301cb2d8SJohan Hedberg { 1992dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1993301cb2d8SJohan Hedberg return false; 1994301cb2d8SJohan Hedberg 1995301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1996301cb2d8SJohan Hedberg return true; 1997301cb2d8SJohan Hedberg 1998301cb2d8SJohan Hedberg return false; 1999301cb2d8SJohan Hedberg } 2000301cb2d8SJohan Hedberg 2001c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 2002c46245b3SJohan Hedberg { 2003c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 2004c46245b3SJohan Hedberg return true; 2005c46245b3SJohan Hedberg 2006c46245b3SJohan Hedberg /* Check for Random Static address type */ 2007c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 2008c46245b3SJohan Hedberg return true; 2009c46245b3SJohan Hedberg 2010c46245b3SJohan Hedberg return false; 2011c46245b3SJohan Hedberg } 2012c46245b3SJohan Hedberg 20132426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 20142426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 20152426f3a5SJohan Hedberg { 20162426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 20172426f3a5SJohan Hedberg return NULL; 20182426f3a5SJohan Hedberg 20192426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 20202426f3a5SJohan Hedberg } 20212426f3a5SJohan Hedberg 2022d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 2023d4905f24SAndre Guedes u16 to_multiplier) 2024d4905f24SAndre Guedes { 2025d4905f24SAndre Guedes u16 max_latency; 2026d4905f24SAndre Guedes 2027d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 2028d4905f24SAndre Guedes return -EINVAL; 2029d4905f24SAndre Guedes 2030d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 2031d4905f24SAndre Guedes return -EINVAL; 2032d4905f24SAndre Guedes 2033d4905f24SAndre Guedes if (max >= to_multiplier * 8) 2034d4905f24SAndre Guedes return -EINVAL; 2035d4905f24SAndre Guedes 20368757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 2037d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 2038d4905f24SAndre Guedes return -EINVAL; 2039d4905f24SAndre Guedes 2040d4905f24SAndre Guedes return 0; 2041d4905f24SAndre Guedes } 2042d4905f24SAndre Guedes 20431da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 20441da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 20451da177e4SLinus Torvalds 2046d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 2047d6ee6ad7SLoic Poulain const void *param); 204875e84b7cSJohan Hedberg 204907dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 205007dc93ddSJohan Hedberg const void *param); 205173d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 20520d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 205326afbd82SLuiz Augusto von Dentz void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); 20541da177e4SLinus Torvalds 2055a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 2056dfe6d5c3SLuiz Augusto von Dentz void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); 20571da177e4SLinus Torvalds 2058eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 2059eab2404bSLuiz Augusto von Dentz 20601da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 2061470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 20627129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 2063c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 2064cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 206538ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 206638ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 206738ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 20681da177e4SLinus Torvalds 2069040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 2070040030efSMarcel Holtmann 2071a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 2072a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 2073a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 2074a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 2075d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 2076b9a245fbSJohan Hedberg 2077801c1e8dSJohan Hedberg struct hci_mgmt_handler { 2078801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 2079801c1e8dSJohan Hedberg u16 data_len); 2080801c1e8dSJohan Hedberg size_t data_len; 2081b9a245fbSJohan Hedberg unsigned long flags; 2082801c1e8dSJohan Hedberg }; 2083801c1e8dSJohan Hedberg 2084801c1e8dSJohan Hedberg struct hci_mgmt_chan { 2085801c1e8dSJohan Hedberg struct list_head list; 2086801c1e8dSJohan Hedberg unsigned short channel; 2087801c1e8dSJohan Hedberg size_t handler_count; 2088801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 208988b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 2090801c1e8dSJohan Hedberg }; 2091801c1e8dSJohan Hedberg 2092801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 2093801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 2094801c1e8dSJohan Hedberg 20950381101fSJohan Hedberg /* Management interface */ 2096591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 2097591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 2098591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2099591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 2100591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 2101591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2102f39799f5SAndre Guedes 21030d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 21040d8cc935SAndre Guedes * Discovery Procedure specification. 21050d8cc935SAndre Guedes */ 21060d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 21070d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 21083d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 2109ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 21100d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 21110d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 21124b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 2113cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 2114cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 2115eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ 2116eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ 2117b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */ 2118b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */ 2119b338d917SBrian Gix #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10) 21200d8cc935SAndre Guedes 2121dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 2122dbf6811aSArchie Pusaka 212303c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 212491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 2125bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 2126bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 21273eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 21282ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 21292ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 2130dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 2131745c0ce3SVishal Agarwal bool persistent); 213248ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 21331c6ed31bSYu Liu u8 *name, u8 name_len); 21349b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 213512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 213612d4a3b2SJohan Hedberg bool mgmt_connected); 21377892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 213888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2139445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 214048264f06SJohan Hedberg u8 addr_type, u8 status); 2141ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 2142e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2143c35938b2SSzymon Janc u8 status); 21443eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2145744cf19eSJohan Hedberg u8 status); 2146744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 214739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 2148272d90dfSJohan Hedberg u8 confirm_hint); 2149744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2150272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2151272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2152272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2153272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 2154272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 2155604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2156272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2157272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2158272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 215992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 216092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 216192a25256SJohan Hedberg u8 entered); 2162e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 2163464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 21644e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 21657f9a903cSMarcel Holtmann u8 status); 21667667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 2167e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 21682154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 2169901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2170af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 2171b338d917SBrian Gix u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, 2172b338d917SBrian Gix u64 instant); 21739cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2174b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 21752f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 2176346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 2177346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 2178346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 217984c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 218053ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 2181cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 218253ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 218353ac6ab6SMarcel Holtmann bool persistent); 2184ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 2185f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 2186f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 2187f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 2188f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 2189f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 2190f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 2191f2252570SJohan Hedberg u8 instance); 2192f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 2193f2252570SJohan Hedberg u8 instance); 219466bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 2195b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 21968d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 21978d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 2198346af67bSVinicius Costa Gomes 21991a942de0SBrian Gix int hci_abort_conn(struct hci_conn *conn, u8 reason); 22007d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 22017d6ca693SJohan Hedberg u16 to_multiplier); 2202fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 22038b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 22042519a1fcSAndre Guedes 2205a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 2206a1f4c318SJohan Hedberg u8 *bdaddr_type); 2207ebd3a747SJohan Hedberg 22085d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 22095d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 22105d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 22115d4d62f6SFrédéric Dalleau 22128961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 22138961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 22148961987fSKiran K 22158961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 22168961987fSKiran K 22171da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 2218