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_UNSET 0xffff 325d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 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; 518*1857c199SZhengping 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 #ifdef CONFIG_DEV_COREDUMP 5979695ef87SAbhishek Pandit-Subedi struct hci_devcoredump dump; 5989695ef87SAbhishek Pandit-Subedi #endif 5999695ef87SAbhishek Pandit-Subedi 600a91f2e39SMarcel Holtmann struct device dev; 6011da177e4SLinus Torvalds 602611b30f7SMarcel Holtmann struct rfkill *rfkill; 603611b30f7SMarcel Holtmann 604eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 605e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 606d23264a8SAndre Guedes 6078fa19098SJohan Hedberg __s8 adv_tx_power; 608c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 6093f0f524bSJohan Hedberg __u8 adv_data_len; 610c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 611f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 612eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 613eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data_len; 6148fa19098SJohan Hedberg 615d2609b34SFlorian Grandel struct list_head adv_instances; 616d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 617d2609b34SFlorian Grandel __u8 cur_adv_instance; 6185d900e46SFlorian Grandel __u16 adv_instance_timeout; 6195d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 620203fea01SArman Uguray 621e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 622e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 623e5e1e7fdSMiao-chen Chou 624863efaf2SJohan Hedberg __u8 irk[16]; 625d6bfd59cSJohan Hedberg __u32 rpa_timeout; 626d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6272b5224dcSMarcel Holtmann bdaddr_t rpa; 628863efaf2SJohan Hedberg 629b338d917SBrian Gix struct delayed_work mesh_send_done; 630b338d917SBrian Gix 631c4f1f408SHoward Chung enum { 632c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 633c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 634c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 635c4f1f408SHoward Chung } interleave_scan_state; 636c4f1f408SHoward Chung 637c4f1f408SHoward Chung struct delayed_work interleave_scan; 638c4f1f408SHoward Chung 6393368aa35SManish Mandlik struct list_head monitored_devices; 6408d7f1677SManish Mandlik bool advmon_pend_notify; 6413368aa35SManish Mandlik 64253f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6436d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 64453f863a6SMarcel Holtmann #endif 6456d5d2ee6SHeiner Kallweit 646145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 647145373cbSMiao-chen Chou __u16 msft_opcode; 648145373cbSMiao-chen Chou void *msft_data; 649a61d6718SMarcel Holtmann bool msft_curve_validity; 650145373cbSMiao-chen Chou #endif 651145373cbSMiao-chen Chou 652f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 653f67743f9SMarcel Holtmann bool aosp_capable; 654749a6c59SJoseph Hwang bool aosp_quality_report; 655f67743f9SMarcel Holtmann #endif 656f67743f9SMarcel Holtmann 6571da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6581da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6591da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 660f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 661a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6627bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6631da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 664c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 66598a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6664b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 66724c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 668e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 669c9209b26SArchie Pusaka void (*reset)(struct hci_dev *hdev); 6704539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 671ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 672248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6739798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6749798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6759798fbdeSKiran K __u8 **vnd_data); 6761da177e4SLinus Torvalds }; 6771da177e4SLinus Torvalds 67853502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 67953502d69SAndrei Emeltchenko 68076b13996SManish Mandlik enum conn_reasons { 68176b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 68276b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 68376b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 68426afbd82SLuiz Augusto von Dentz CONN_REASON_ISO_CONNECT, 68576b13996SManish Mandlik }; 68676b13996SManish Mandlik 6871da177e4SLinus Torvalds struct hci_conn { 6881da177e4SLinus Torvalds struct list_head list; 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds atomic_t refcnt; 6911da177e4SLinus Torvalds 6921da177e4SLinus Torvalds bdaddr_t dst; 69329b7988aSAndre Guedes __u8 dst_type; 694662e8820SMarcel Holtmann bdaddr_t src; 695e7c4096eSMarcel Holtmann __u8 src_type; 696cb1d68f7SJohan Hedberg bdaddr_t init_addr; 697cb1d68f7SJohan Hedberg __u8 init_addr_type; 698cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 699cb1d68f7SJohan Hedberg __u8 resp_addr_type; 7007087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 7011da177e4SLinus Torvalds __u16 handle; 702eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle; 7031da177e4SLinus Torvalds __u16 state; 70404837f64SMarcel Holtmann __u8 mode; 7051da177e4SLinus Torvalds __u8 type; 70640bef302SJohan Hedberg __u8 role; 707a0c808b3SJohan Hedberg bool out; 7084c67bc74SMarcel Holtmann __u8 attempt; 7091da177e4SLinus Torvalds __u8 dev_class[3]; 710cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 711a8746417SMarcel Holtmann __u16 pkt_type; 71204837f64SMarcel Holtmann __u16 link_policy; 71313d39315SWaldemar Rymarkiewicz __u8 key_type; 71440be492fSMarcel Holtmann __u8 auth_type; 7158c1b2355SMarcel Holtmann __u8 sec_level; 716765c2a96SJohan Hedberg __u8 pending_sec_level; 717980e1a53SJohan Hedberg __u8 pin_length; 718726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 71917fa4b9dSJohan Hedberg __u8 io_capability; 72092a25256SJohan Hedberg __u32 passkey_notify; 72192a25256SJohan Hedberg __u8 passkey_entered; 722052b30b0SMarcel Holtmann __u16 disc_timeout; 72309ae260bSJohan Hedberg __u16 conn_timeout; 72410c62ddcSFrédéric Dalleau __u16 setting; 725302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7261e406eefSAndre Guedes __u16 le_conn_min_interval; 7271e406eefSAndre Guedes __u16 le_conn_max_interval; 728e04fde60SMarcel Holtmann __u16 le_conn_interval; 729e04fde60SMarcel Holtmann __u16 le_conn_latency; 730e04fde60SMarcel Holtmann __u16 le_supv_timeout; 731fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 732fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 733eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH]; 734eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data_len; 7351efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7361efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7375ae76a94SAndrzej Kaczmarek __s8 rssi; 7385a134faeSAndrzej Kaczmarek __s8 tx_power; 739d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 74026afbd82SLuiz Augusto von Dentz struct bt_iso_qos iso_qos; 74151a8efd7SJohan Hedberg unsigned long flags; 7421da177e4SLinus Torvalds 74376b13996SManish Mandlik enum conn_reasons conn_reason; 74476b13996SManish Mandlik 74533f35721SJohan Hedberg __u32 clock; 74633f35721SJohan Hedberg __u16 clock_accuracy; 74733f35721SJohan Hedberg 748dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 749dd983808SAndrzej Kaczmarek 75003b555e1SJohan Hedberg __u8 remote_cap; 75103b555e1SJohan Hedberg __u8 remote_auth; 7523161ae1cSAndrei Emeltchenko __u8 remote_id; 75303b555e1SJohan Hedberg 7541da177e4SLinus Torvalds unsigned int sent; 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds struct sk_buff_head data_q; 7572c33c06aSGustavo F. Padovan struct list_head chan_list; 7581da177e4SLinus Torvalds 75919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7607bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 761a74a84f6SJohan Hedberg struct delayed_work idle_work; 7629489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7638ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7641da177e4SLinus Torvalds 765b219e3acSMarcel Holtmann struct device dev; 76623b9ceb7SMarcel Holtmann struct dentry *debugfs; 767b219e3acSMarcel Holtmann 7681da177e4SLinus Torvalds struct hci_dev *hdev; 7691da177e4SLinus Torvalds void *l2cap_data; 7701da177e4SLinus Torvalds void *sco_data; 77126afbd82SLuiz Augusto von Dentz void *iso_data; 7729740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7731da177e4SLinus Torvalds 77406149746SLuiz Augusto von Dentz struct list_head link_list; 77506149746SLuiz Augusto von Dentz struct hci_conn *parent; 77606149746SLuiz Augusto von Dentz struct hci_link *link; 77706149746SLuiz Augusto von Dentz 778b2af264aSKiran K struct bt_codec codec; 779e9a416b5SJohan Hedberg 780e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 781e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 782e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 78326afbd82SLuiz Augusto von Dentz 78426afbd82SLuiz Augusto von Dentz void (*cleanup)(struct hci_conn *conn); 7851da177e4SLinus Torvalds }; 7861da177e4SLinus Torvalds 78706149746SLuiz Augusto von Dentz struct hci_link { 78806149746SLuiz Augusto von Dentz struct list_head list; 78906149746SLuiz Augusto von Dentz struct hci_conn *conn; 79006149746SLuiz Augusto von Dentz }; 79106149746SLuiz Augusto von Dentz 79273d80debSLuiz Augusto von Dentz struct hci_chan { 79373d80debSLuiz Augusto von Dentz struct list_head list; 79442c4e53eSAndrei Emeltchenko __u16 handle; 79573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 79673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 79773d80debSLuiz Augusto von Dentz unsigned int sent; 798168df8e5SMat Martineau __u8 state; 7995c4c8c95SArchie Pusaka bool amp; 80073d80debSLuiz Augusto von Dentz }; 80173d80debSLuiz Augusto von Dentz 80215819a70SAndre Guedes struct hci_conn_params { 80315819a70SAndre Guedes struct list_head list; 80493450c75SJohan Hedberg struct list_head action; 80515819a70SAndre Guedes 80615819a70SAndre Guedes bdaddr_t addr; 80715819a70SAndre Guedes u8 addr_type; 80815819a70SAndre Guedes 80915819a70SAndre Guedes u16 conn_min_interval; 81015819a70SAndre Guedes u16 conn_max_interval; 811f044eb05SMarcel Holtmann u16 conn_latency; 812f044eb05SMarcel Holtmann u16 supervision_timeout; 8139fcb18efSAndre Guedes 8149fcb18efSAndre Guedes enum { 8159fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 816a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 8174b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 8189fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 8199fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 820158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 8219fcb18efSAndre Guedes } auto_connect; 822f161dd41SJohan Hedberg 823f161dd41SJohan Hedberg struct hci_conn *conn; 824158e9218SJakub Pawlowski bool explicit_connect; 825e1cff700SLinus Torvalds hci_conn_flags_t flags; 826853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 82715819a70SAndre Guedes }; 82815819a70SAndre Guedes 8291da177e4SLinus Torvalds extern struct list_head hci_dev_list; 8301da177e4SLinus Torvalds extern struct list_head hci_cb_list; 8311da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 832fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 8331da177e4SLinus Torvalds 834eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 835eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 836eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 837eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 838eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 839eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 840eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 841d7a5a11dSMarcel Holtmann 842eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 843eacb44dfSMarcel Holtmann do { \ 844eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 845eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8462eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 847eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 848ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 849eacb44dfSMarcel Holtmann } while (0) 850516018a9SMarcel Holtmann 8514fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8524fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8534fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8544fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8554fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8564fc9857aSLuiz Augusto von Dentz 857686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 858e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 859e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8609b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 861686ebf28SUlisses Furquim 862ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 863e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8649b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 865ff50e8afSArron Wang #else 866ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 867ff50e8afSArron Wang __u8 *flags) 868ff50e8afSArron Wang { 869ff50e8afSArron Wang return 0; 870ff50e8afSArron Wang } 871ff50e8afSArron Wang 872ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 873ff50e8afSArron Wang { 874ff50e8afSArron Wang } 875ff50e8afSArron Wang #endif 876686ebf28SUlisses Furquim 877ccf74f23SLuiz Augusto von Dentz #if IS_ENABLED(CONFIG_BT_LE) 878ccf74f23SLuiz Augusto von Dentz int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 879ccf74f23SLuiz Augusto von Dentz void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 880ccf74f23SLuiz Augusto von Dentz #else 881ccf74f23SLuiz Augusto von Dentz static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 882ccf74f23SLuiz Augusto von Dentz __u8 *flags) 883ccf74f23SLuiz Augusto von Dentz { 884ccf74f23SLuiz Augusto von Dentz return 0; 885ccf74f23SLuiz Augusto von Dentz } 886ccf74f23SLuiz Augusto von Dentz static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, 887ccf74f23SLuiz Augusto von Dentz u16 flags) 888ccf74f23SLuiz Augusto von Dentz { 889ccf74f23SLuiz Augusto von Dentz } 890ccf74f23SLuiz Augusto von Dentz #endif 891ccf74f23SLuiz Augusto von Dentz 8921da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 89370f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 89470f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8951da177e4SLinus Torvalds 89630883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8971da177e4SLinus Torvalds { 898ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 89930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 90030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 90130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 902da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 90337eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 9041da177e4SLinus Torvalds } 9051da177e4SLinus Torvalds 9060256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 9070256325eSMarcel Holtmann { 90882f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 909da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 9100256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 9110256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 9120256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 9130256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 9142d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 9152d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 9160256325eSMarcel Holtmann } 9170256325eSMarcel Holtmann 91830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 91930dc78e1SJohan Hedberg 920ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 921ff9ef578SJohan Hedberg 9221da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 9231da177e4SLinus Torvalds { 92430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 9251da177e4SLinus Torvalds } 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 9281da177e4SLinus Torvalds { 92930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 9301da177e4SLinus Torvalds return jiffies - c->timestamp; 9311da177e4SLinus Torvalds } 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 9341da177e4SLinus Torvalds { 9351da177e4SLinus Torvalds return jiffies - e->timestamp; 9361da177e4SLinus Torvalds } 9371da177e4SLinus Torvalds 9385a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 9395a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 940561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 941561aafbcSJohan Hedberg bdaddr_t *bdaddr); 94230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 94330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 94430dc78e1SJohan Hedberg int state); 945a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 946a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 947af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 948af58925cSMarcel Holtmann bool name_known); 9491f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 9501da177e4SLinus Torvalds 9511da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 9521da177e4SLinus Torvalds enum { 9531da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 95419f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9551da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 95604837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 95704837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 958e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 959b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 96058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 961eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 962abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 96358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 964af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9654dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9664dae2798SJohan Hedberg HCI_CONN_AUTH, 9674dae2798SJohan Hedberg HCI_CONN_SECURE, 9684dae2798SJohan Hedberg HCI_CONN_FIPS, 969fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 970977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 971f94b665dSJohan Hedberg HCI_CONN_DROP, 972b62e7220SLuiz Augusto von Dentz HCI_CONN_CANCEL, 97389cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 974fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 975158e9218SJakub Pawlowski HCI_CONN_SCANNING, 976160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 977eca0ae4aSLuiz Augusto von Dentz HCI_CONN_PER_ADV, 9781da177e4SLinus Torvalds }; 9791da177e4SLinus Torvalds 980aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 981aa64a8b5SJohan Hedberg { 982aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 983d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 984c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 985aa64a8b5SJohan Hedberg } 986aa64a8b5SJohan Hedberg 987eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 988eb9a8f3fSMarcel Holtmann { 989eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 990d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 991eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 992eb9a8f3fSMarcel Holtmann } 993eb9a8f3fSMarcel Holtmann 9941da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9951da177e4SLinus Torvalds { 9961da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 997d4b20f0bSLuiz Augusto von Dentz list_add_tail_rcu(&c->list, &h->list); 998fcd89c09SVille Tervo switch (c->type) { 999fcd89c09SVille Tervo case ACL_LINK: 10001da177e4SLinus Torvalds h->acl_num++; 1001fcd89c09SVille Tervo break; 1002bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1003bd1eb66bSAndrei Emeltchenko h->amp_num++; 1004bd1eb66bSAndrei Emeltchenko break; 1005fcd89c09SVille Tervo case LE_LINK: 1006fcd89c09SVille Tervo h->le_num++; 1007f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 100839bc74caSArchie Pusaka h->le_num_peripheral++; 1009fcd89c09SVille Tervo break; 1010fcd89c09SVille Tervo case SCO_LINK: 1011fcd89c09SVille Tervo case ESCO_LINK: 10121da177e4SLinus Torvalds h->sco_num++; 1013fcd89c09SVille Tervo break; 101426afbd82SLuiz Augusto von Dentz case ISO_LINK: 101526afbd82SLuiz Augusto von Dentz h->iso_num++; 101626afbd82SLuiz Augusto von Dentz break; 1017fcd89c09SVille Tervo } 10181da177e4SLinus Torvalds } 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 10211da177e4SLinus Torvalds { 10221da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 1023bf4c6325SGustavo F. Padovan 1024bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 1025bf4c6325SGustavo F. Padovan synchronize_rcu(); 1026bf4c6325SGustavo F. Padovan 1027fcd89c09SVille Tervo switch (c->type) { 1028fcd89c09SVille Tervo case ACL_LINK: 10291da177e4SLinus Torvalds h->acl_num--; 1030fcd89c09SVille Tervo break; 1031bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1032bd1eb66bSAndrei Emeltchenko h->amp_num--; 1033bd1eb66bSAndrei Emeltchenko break; 1034fcd89c09SVille Tervo case LE_LINK: 1035fcd89c09SVille Tervo h->le_num--; 1036f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 103739bc74caSArchie Pusaka h->le_num_peripheral--; 1038fcd89c09SVille Tervo break; 1039fcd89c09SVille Tervo case SCO_LINK: 1040fcd89c09SVille Tervo case ESCO_LINK: 10411da177e4SLinus Torvalds h->sco_num--; 1042fcd89c09SVille Tervo break; 104326afbd82SLuiz Augusto von Dentz case ISO_LINK: 104426afbd82SLuiz Augusto von Dentz h->iso_num--; 104526afbd82SLuiz Augusto von Dentz break; 1046fcd89c09SVille Tervo } 10471da177e4SLinus Torvalds } 10481da177e4SLinus Torvalds 104952087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 105052087a79SLuiz Augusto von Dentz { 105152087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 105252087a79SLuiz Augusto von Dentz switch (type) { 105352087a79SLuiz Augusto von Dentz case ACL_LINK: 105452087a79SLuiz Augusto von Dentz return h->acl_num; 1055bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1056bd1eb66bSAndrei Emeltchenko return h->amp_num; 105752087a79SLuiz Augusto von Dentz case LE_LINK: 105852087a79SLuiz Augusto von Dentz return h->le_num; 105952087a79SLuiz Augusto von Dentz case SCO_LINK: 106052087a79SLuiz Augusto von Dentz case ESCO_LINK: 106152087a79SLuiz Augusto von Dentz return h->sco_num; 106226afbd82SLuiz Augusto von Dentz case ISO_LINK: 106326afbd82SLuiz Augusto von Dentz return h->iso_num; 106452087a79SLuiz Augusto von Dentz default: 106552087a79SLuiz Augusto von Dentz return 0; 106652087a79SLuiz Augusto von Dentz } 106752087a79SLuiz Augusto von Dentz } 106852087a79SLuiz Augusto von Dentz 1069f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1070f4f07505SJohan Hedberg { 1071f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1072f4f07505SJohan Hedberg 107326afbd82SLuiz Augusto von Dentz return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num; 1074f4f07505SJohan Hedberg } 1075f4f07505SJohan Hedberg 1076845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1077845472e8SMarcel Holtmann { 1078845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1079845472e8SMarcel Holtmann struct hci_conn *c; 1080845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1081845472e8SMarcel Holtmann 1082845472e8SMarcel Holtmann rcu_read_lock(); 1083845472e8SMarcel Holtmann 1084845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1085845472e8SMarcel Holtmann if (c->handle == handle) { 1086845472e8SMarcel Holtmann type = c->type; 1087845472e8SMarcel Holtmann break; 1088845472e8SMarcel Holtmann } 1089845472e8SMarcel Holtmann } 1090845472e8SMarcel Holtmann 1091845472e8SMarcel Holtmann rcu_read_unlock(); 1092845472e8SMarcel Holtmann 1093845472e8SMarcel Holtmann return type; 1094845472e8SMarcel Holtmann } 1095845472e8SMarcel Holtmann 1096eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev, 1097eca0ae4aSLuiz Augusto von Dentz bdaddr_t *ba, 1098eca0ae4aSLuiz Augusto von Dentz __u8 big, __u8 bis) 1099eca0ae4aSLuiz Augusto von Dentz { 1100eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1101eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1102eca0ae4aSLuiz Augusto von Dentz 1103eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1104eca0ae4aSLuiz Augusto von Dentz 1105eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1106eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, ba) || c->type != ISO_LINK) 1107eca0ae4aSLuiz Augusto von Dentz continue; 1108eca0ae4aSLuiz Augusto von Dentz 11090fe8c8d0SIulia Tanasescu if (c->iso_qos.bcast.big == big && c->iso_qos.bcast.bis == bis) { 1110eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1111eca0ae4aSLuiz Augusto von Dentz return c; 1112eca0ae4aSLuiz Augusto von Dentz } 1113eca0ae4aSLuiz Augusto von Dentz } 1114eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1115eca0ae4aSLuiz Augusto von Dentz 1116eca0ae4aSLuiz Augusto von Dentz return NULL; 1117eca0ae4aSLuiz Augusto von Dentz } 1118eca0ae4aSLuiz Augusto von Dentz 11191da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 11201da177e4SLinus Torvalds __u16 handle) 11211da177e4SLinus Torvalds { 11221da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11231da177e4SLinus Torvalds struct hci_conn *c; 11241da177e4SLinus Torvalds 1125bf4c6325SGustavo F. Padovan rcu_read_lock(); 1126bf4c6325SGustavo F. Padovan 1127bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1128bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1129bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11301da177e4SLinus Torvalds return c; 11311da177e4SLinus Torvalds } 1132bf4c6325SGustavo F. Padovan } 1133bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1134bf4c6325SGustavo F. Padovan 11351da177e4SLinus Torvalds return NULL; 11361da177e4SLinus Torvalds } 11371da177e4SLinus Torvalds 11381da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 11391da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 11401da177e4SLinus Torvalds { 11411da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11421da177e4SLinus Torvalds struct hci_conn *c; 11431da177e4SLinus Torvalds 1144bf4c6325SGustavo F. Padovan rcu_read_lock(); 1145bf4c6325SGustavo F. Padovan 1146bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1147bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1148bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11491da177e4SLinus Torvalds return c; 11501da177e4SLinus Torvalds } 1151bf4c6325SGustavo F. Padovan } 1152bf4c6325SGustavo F. Padovan 1153bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1154bf4c6325SGustavo F. Padovan 11551da177e4SLinus Torvalds return NULL; 11561da177e4SLinus Torvalds } 11571da177e4SLinus Torvalds 11581b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 11591b51c7b6SJohan Hedberg bdaddr_t *ba, 11601b51c7b6SJohan Hedberg __u8 ba_type) 11611b51c7b6SJohan Hedberg { 11621b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 11631b51c7b6SJohan Hedberg struct hci_conn *c; 11641b51c7b6SJohan Hedberg 11651b51c7b6SJohan Hedberg rcu_read_lock(); 11661b51c7b6SJohan Hedberg 11671b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 11681b51c7b6SJohan Hedberg if (c->type != LE_LINK) 11691b51c7b6SJohan Hedberg continue; 11701b51c7b6SJohan Hedberg 11711b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 11721b51c7b6SJohan Hedberg rcu_read_unlock(); 11731b51c7b6SJohan Hedberg return c; 11741b51c7b6SJohan Hedberg } 11751b51c7b6SJohan Hedberg } 11761b51c7b6SJohan Hedberg 11771b51c7b6SJohan Hedberg rcu_read_unlock(); 11781b51c7b6SJohan Hedberg 11791b51c7b6SJohan Hedberg return NULL; 11801b51c7b6SJohan Hedberg } 11811b51c7b6SJohan Hedberg 118226afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev, 118326afbd82SLuiz Augusto von Dentz bdaddr_t *ba, 1184c14516faSLuiz Augusto von Dentz __u8 ba_type, 1185c14516faSLuiz Augusto von Dentz __u8 cig, 1186c14516faSLuiz Augusto von Dentz __u8 id) 118726afbd82SLuiz Augusto von Dentz { 118826afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 118926afbd82SLuiz Augusto von Dentz struct hci_conn *c; 119026afbd82SLuiz Augusto von Dentz 119126afbd82SLuiz Augusto von Dentz rcu_read_lock(); 119226afbd82SLuiz Augusto von Dentz 119326afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 119426afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 119526afbd82SLuiz Augusto von Dentz continue; 119626afbd82SLuiz Augusto von Dentz 1197c14516faSLuiz Augusto von Dentz /* Match CIG ID if set */ 1198c14516faSLuiz Augusto von Dentz if (cig != BT_ISO_QOS_CIG_UNSET && cig != c->iso_qos.ucast.cig) 1199c14516faSLuiz Augusto von Dentz continue; 1200c14516faSLuiz Augusto von Dentz 1201c14516faSLuiz Augusto von Dentz /* Match CIS ID if set */ 1202c14516faSLuiz Augusto von Dentz if (id != BT_ISO_QOS_CIS_UNSET && id != c->iso_qos.ucast.cis) 1203c14516faSLuiz Augusto von Dentz continue; 1204c14516faSLuiz Augusto von Dentz 120526afbd82SLuiz Augusto von Dentz if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 120626afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 120726afbd82SLuiz Augusto von Dentz return c; 120826afbd82SLuiz Augusto von Dentz } 120926afbd82SLuiz Augusto von Dentz } 121026afbd82SLuiz Augusto von Dentz 121126afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 121226afbd82SLuiz Augusto von Dentz 121326afbd82SLuiz Augusto von Dentz return NULL; 121426afbd82SLuiz Augusto von Dentz } 121526afbd82SLuiz Augusto von Dentz 121626afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev, 121726afbd82SLuiz Augusto von Dentz __u8 handle) 121826afbd82SLuiz Augusto von Dentz { 121926afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 122026afbd82SLuiz Augusto von Dentz struct hci_conn *c; 122126afbd82SLuiz Augusto von Dentz 122226afbd82SLuiz Augusto von Dentz rcu_read_lock(); 122326afbd82SLuiz Augusto von Dentz 122426afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 122526afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 122626afbd82SLuiz Augusto von Dentz continue; 122726afbd82SLuiz Augusto von Dentz 12280fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.ucast.cig) { 122926afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 123026afbd82SLuiz Augusto von Dentz return c; 123126afbd82SLuiz Augusto von Dentz } 123226afbd82SLuiz Augusto von Dentz } 123326afbd82SLuiz Augusto von Dentz 123426afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 123526afbd82SLuiz Augusto von Dentz 123626afbd82SLuiz Augusto von Dentz return NULL; 123726afbd82SLuiz Augusto von Dentz } 123826afbd82SLuiz Augusto von Dentz 1239eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, 1240eca0ae4aSLuiz Augusto von Dentz __u8 handle) 1241eca0ae4aSLuiz Augusto von Dentz { 1242eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1243eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1244eca0ae4aSLuiz Augusto von Dentz 1245eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1246eca0ae4aSLuiz Augusto von Dentz 1247eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1248eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK) 1249eca0ae4aSLuiz Augusto von Dentz continue; 1250eca0ae4aSLuiz Augusto von Dentz 12510fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.bcast.big) { 1252eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1253eca0ae4aSLuiz Augusto von Dentz return c; 1254eca0ae4aSLuiz Augusto von Dentz } 1255eca0ae4aSLuiz Augusto von Dentz } 1256eca0ae4aSLuiz Augusto von Dentz 1257eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1258eca0ae4aSLuiz Augusto von Dentz 1259eca0ae4aSLuiz Augusto von Dentz return NULL; 1260eca0ae4aSLuiz Augusto von Dentz } 1261eca0ae4aSLuiz Augusto von Dentz 12624c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 12634c67bc74SMarcel Holtmann __u8 type, __u16 state) 12644c67bc74SMarcel Holtmann { 12654c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 12664c67bc74SMarcel Holtmann struct hci_conn *c; 12674c67bc74SMarcel Holtmann 1268bf4c6325SGustavo F. Padovan rcu_read_lock(); 1269bf4c6325SGustavo F. Padovan 1270bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1271bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1272bf4c6325SGustavo F. Padovan rcu_read_unlock(); 12734c67bc74SMarcel Holtmann return c; 12744c67bc74SMarcel Holtmann } 1275bf4c6325SGustavo F. Padovan } 1276bf4c6325SGustavo F. Padovan 1277bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1278bf4c6325SGustavo F. Padovan 12794c67bc74SMarcel Holtmann return NULL; 12804c67bc74SMarcel Holtmann } 12814c67bc74SMarcel Holtmann 128226afbd82SLuiz Augusto von Dentz typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); 128326afbd82SLuiz Augusto von Dentz static inline void hci_conn_hash_list_state(struct hci_dev *hdev, 128426afbd82SLuiz Augusto von Dentz hci_conn_func_t func, __u8 type, 128526afbd82SLuiz Augusto von Dentz __u16 state, void *data) 128626afbd82SLuiz Augusto von Dentz { 128726afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 128826afbd82SLuiz Augusto von Dentz struct hci_conn *c; 128926afbd82SLuiz Augusto von Dentz 129026afbd82SLuiz Augusto von Dentz if (!func) 129126afbd82SLuiz Augusto von Dentz return; 129226afbd82SLuiz Augusto von Dentz 129326afbd82SLuiz Augusto von Dentz rcu_read_lock(); 129426afbd82SLuiz Augusto von Dentz 129526afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 129626afbd82SLuiz Augusto von Dentz if (c->type == type && c->state == state) 129726afbd82SLuiz Augusto von Dentz func(c, data); 129826afbd82SLuiz Augusto von Dentz } 129926afbd82SLuiz Augusto von Dentz 130026afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 130126afbd82SLuiz Augusto von Dentz } 130226afbd82SLuiz Augusto von Dentz 1303e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1304e7d9ab73SJakub Pawlowski { 1305e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1306e7d9ab73SJakub Pawlowski struct hci_conn *c; 1307e7d9ab73SJakub Pawlowski 1308e7d9ab73SJakub Pawlowski rcu_read_lock(); 1309e7d9ab73SJakub Pawlowski 1310e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1311e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1312e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1313e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1314e7d9ab73SJakub Pawlowski return c; 1315e7d9ab73SJakub Pawlowski } 1316e7d9ab73SJakub Pawlowski } 1317e7d9ab73SJakub Pawlowski 1318e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1319e7d9ab73SJakub Pawlowski 1320e7d9ab73SJakub Pawlowski return NULL; 1321e7d9ab73SJakub Pawlowski } 1322e7d9ab73SJakub Pawlowski 1323e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 13242dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1325e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 132626afbd82SLuiz Augusto von Dentz bool hci_iso_setup_path(struct hci_conn *conn); 132726afbd82SLuiz Augusto von Dentz int hci_le_create_cis(struct hci_conn *conn); 13281da177e4SLinus Torvalds 1329a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1330a5c4e309SJohan Hedberg u8 role); 1331a2ac591cSRuihan Li void hci_conn_del(struct hci_conn *conn); 13321da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1333a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 13341da177e4SLinus Torvalds 133573d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 13369472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 13372c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 133842c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 133973d80debSLuiz Augusto von Dentz 1340f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1341f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 134276b13996SManish Mandlik u16 conn_timeout, 134376b13996SManish Mandlik enum conn_reasons conn_reason); 134404a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1345d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 13468e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 134704a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 134876b13996SManish Mandlik u8 sec_level, u8 auth_type, 134976b13996SManish Mandlik enum conn_reasons conn_reason); 135010c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1351b2af264aSKiran K __u16 setting, struct bt_codec *codec); 135226afbd82SLuiz Augusto von Dentz struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, 135326afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 135426afbd82SLuiz Augusto von Dentz struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst, 135526afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1356eca0ae4aSLuiz Augusto von Dentz struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst, 1357eca0ae4aSLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos, 1358eca0ae4aSLuiz Augusto von Dentz __u8 data_len, __u8 *data); 1359eca0ae4aSLuiz Augusto von Dentz int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type, 13600fe8c8d0SIulia Tanasescu __u8 sid, struct bt_iso_qos *qos); 1361eca0ae4aSLuiz Augusto von Dentz int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos, 1362eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle, __u8 num_bis, __u8 bis[]); 1363e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1364b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1365e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1366e7cafc45SJohan Hedberg bool initiator); 13678c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 13681da177e4SLinus Torvalds 136914b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 13701da177e4SLinus Torvalds 13719b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 137206c053fbSAndre Guedes 13738d12356fSDavid Herrmann /* 13748d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 13758d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 13768d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 13778d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 13788d12356fSDavid Herrmann * other constant data. 13798d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 13808d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 13818d12356fSDavid Herrmann * get dropped, though. 13828d12356fSDavid Herrmann * 13838d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 13848d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 13858d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 13868d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 13878d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 13888d12356fSDavid Herrmann * hci_conn_add()). 13898d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 13908d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 13918d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 13928d12356fSDavid Herrmann */ 13938d12356fSDavid Herrmann 139451bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 13958d12356fSDavid Herrmann { 13968d12356fSDavid Herrmann get_device(&conn->dev); 139751bb8457SJohan Hedberg return conn; 13988d12356fSDavid Herrmann } 13998d12356fSDavid Herrmann 14008d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 14018d12356fSDavid Herrmann { 14028d12356fSDavid Herrmann put_device(&conn->dev); 14038d12356fSDavid Herrmann } 14048d12356fSDavid Herrmann 140506149746SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn) 14061da177e4SLinus Torvalds { 140771becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 140838b3fef1SAndrei Emeltchenko 14091da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 14102f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 141106149746SLuiz Augusto von Dentz 141206149746SLuiz Augusto von Dentz return conn; 14131da177e4SLinus Torvalds } 14141da177e4SLinus Torvalds 141576a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 14161da177e4SLinus Torvalds { 141771becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 141838b3fef1SAndrei Emeltchenko 14191da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 142004837f64SMarcel Holtmann unsigned long timeo; 1421716e4ab5SAndrei Emeltchenko 1422716e4ab5SAndrei Emeltchenko switch (conn->type) { 1423716e4ab5SAndrei Emeltchenko case ACL_LINK: 1424716e4ab5SAndrei Emeltchenko case LE_LINK: 1425a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 14266ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 14275f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 142804837f64SMarcel Holtmann if (!conn->out) 1429052b30b0SMarcel Holtmann timeo *= 2; 14305a9d0a3fSWaldemar Rymarkiewicz } else { 1431eb78d7e5SJohan Hedberg timeo = 0; 14325a9d0a3fSWaldemar Rymarkiewicz } 1433716e4ab5SAndrei Emeltchenko break; 1434716e4ab5SAndrei Emeltchenko 1435716e4ab5SAndrei Emeltchenko case AMP_LINK: 1436716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1437716e4ab5SAndrei Emeltchenko break; 1438716e4ab5SAndrei Emeltchenko 1439716e4ab5SAndrei Emeltchenko default: 1440eb78d7e5SJohan Hedberg timeo = 0; 1441716e4ab5SAndrei Emeltchenko break; 14425a9d0a3fSWaldemar Rymarkiewicz } 1443716e4ab5SAndrei Emeltchenko 14442f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 144519c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 14461931782bSVinicius Costa Gomes &conn->disc_work, timeo); 14471da177e4SLinus Torvalds } 14481da177e4SLinus Torvalds } 14491da177e4SLinus Torvalds 14501da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1451dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 14521da177e4SLinus Torvalds { 1453376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14542c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1455376261aeSAndrei Emeltchenko 14564c724c71SDavid Herrmann put_device(&d->dev); 1457010666a1SDavid Herrmann } 14581da177e4SLinus Torvalds 1459dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 14601da177e4SLinus Torvalds { 1461376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14622c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1463376261aeSAndrei Emeltchenko 14644c724c71SDavid Herrmann get_device(&d->dev); 14651da177e4SLinus Torvalds return d; 14661da177e4SLinus Torvalds } 14671da177e4SLinus Torvalds 146809fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 146909fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 14701da177e4SLinus Torvalds 1471aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 14723dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1473aa2b86d7SDavid Herrmann 1474155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1475155961e8SDavid Herrmann { 1476155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1477155961e8SDavid Herrmann } 1478155961e8SDavid Herrmann 1479155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1480155961e8SDavid Herrmann { 1481155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1482155961e8SDavid Herrmann } 1483155961e8SDavid Herrmann 14846ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 14856ec56613STedd Ho-Jeong An { 14866ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 14876ec56613STedd Ho-Jeong An } 14886ec56613STedd Ho-Jeong An 14891da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 149039385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 14911da177e4SLinus Torvalds 14926ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 14936ec56613STedd Ho-Jeong An 14946ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 14956ec56613STedd Ho-Jeong An { 14966ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 14976ec56613STedd Ho-Jeong An } 14986ec56613STedd Ho-Jeong An 14991da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 15001da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 150159735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 150258ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1503359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1504359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 15051da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 15061da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 150775e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1508f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1509f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 15101aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 15111aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1512145373cbSMiao-chen Chou 1513145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1514145373cbSMiao-chen Chou { 1515145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1516145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1517145373cbSMiao-chen Chou #endif 1518145373cbSMiao-chen Chou } 1519145373cbSMiao-chen Chou 1520f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1521f67743f9SMarcel Holtmann { 1522f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1523f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1524f67743f9SMarcel Holtmann #endif 1525f67743f9SMarcel Holtmann } 1526f67743f9SMarcel Holtmann 15279695ef87SAbhishek Pandit-Subedi static inline void hci_devcd_setup(struct hci_dev *hdev) 15289695ef87SAbhishek Pandit-Subedi { 15299695ef87SAbhishek Pandit-Subedi #ifdef CONFIG_DEV_COREDUMP 15309695ef87SAbhishek Pandit-Subedi INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx); 15319695ef87SAbhishek Pandit-Subedi INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout); 15329695ef87SAbhishek Pandit-Subedi skb_queue_head_init(&hdev->dump.dump_q); 15339695ef87SAbhishek Pandit-Subedi #endif 15349695ef87SAbhishek Pandit-Subedi } 15359695ef87SAbhishek Pandit-Subedi 15361da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 15371da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 15386b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 15391da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 15401da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 15411da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 15421da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 15431da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 15441da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 15451da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 154640be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 15471da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 15481da177e4SLinus Torvalds 1549dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1550b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1551b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1552b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1553b950aa88SAnkit Navik u8 type); 15548baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 15558baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15568baaa403SAbhishek Pandit-Subedi u8 type); 1557dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1558b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1559b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 15608baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15618baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1562dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1563b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1564b950aa88SAnkit Navik u8 type); 15658baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15668baaa403SAbhishek Pandit-Subedi u8 type); 1567dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1568d2ab0ac1SMarcel Holtmann 156915819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 157015819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 157151d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 157251d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 157315819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 157455af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 157515819a70SAndre Guedes 1576501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1577501f8827SJohan Hedberg bdaddr_t *addr, 1578501f8827SJohan Hedberg u8 addr_type); 157977a77a30SAndre Guedes 158035f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 15812aeb9a1aSJohan Hedberg 158235f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 158355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1584567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 15857652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 15867652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1587ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 158835d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1589fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1590f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1591e804d25dSJohan Hedberg u8 addr_type, u8 role); 1592e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 159335f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 159455ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 159555ed8ca1SJohan Hedberg 1596970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1597970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1598970c4e46SJohan Hedberg u8 addr_type); 1599ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1600ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1601a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1602600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1603600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1604970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1605970c4e46SJohan Hedberg 160655e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 160755e76b38SJohan Hedberg 160835f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 16092763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 16106928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 16110798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 16126928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 161338da1703SJohan Hedberg u8 *hash256, u8 *rand256); 16146928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 16156928a924SJohan Hedberg u8 bdaddr_type); 16162763eda6SSzymon Janc 1617d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1618d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1619d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1620eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance, 1621eca0ae4aSLuiz Augusto von Dentz u32 flags, u16 adv_data_len, u8 *adv_data, 1622d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 16239bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 1624b338d917SBrian Gix u32 min_interval, u32 max_interval, 1625b338d917SBrian Gix u8 mesh_handle); 1626eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, 1627eca0ae4aSLuiz Augusto von Dentz u32 flags, u8 data_len, u8 *data, 1628eca0ae4aSLuiz Augusto von Dentz u32 min_interval, u32 max_interval); 162931aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 163031aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 163131aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1632d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1633a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 163401ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 163501ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1636d2609b34SFlorian Grandel 1637e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 163866bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1639b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 16407cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 16417cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 16428208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1643a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1644e5e1e7fdSMiao-chen Chou 16451da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 16461da177e4SLinus Torvalds 16470ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1648a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1649b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1650b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 16511da177e4SLinus Torvalds 16526935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 1653294d749bSKiran K #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent) 16541da177e4SLinus Torvalds 16551da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1656cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1657cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1658cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1659cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1660cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1661cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1662cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1663cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1664cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1665cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1666cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 16678b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1668cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1669cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1670cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1671cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1672cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1673cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1674cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 167507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 16765075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 16775075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 16785075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 16795075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 16801da177e4SLinus Torvalds 1681eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 16826397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 16836397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 168453b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 168553b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1686d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1687d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 168853b834d2SMarcel Holtmann 168953b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1690cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1691d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1692cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1693cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1694eead27daSAndre Guedes 1695d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1696d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 169705b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1698d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1699c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1700c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1701c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1702c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1703432df05eSJohan Hedberg 170445bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 170545bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 170645bdd86eSJaganath Kanakkassery 1707288c9022SLuiz Augusto von Dentz #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M)) 1708288c9022SLuiz Augusto von Dentz 170945bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 171045bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 171145bdd86eSJaganath Kanakkassery 1712288c9022SLuiz Augusto von Dentz #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED)) 1713288c9022SLuiz Augusto von Dentz 171445bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 171545bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 171645bdd86eSJaganath Kanakkassery 1717ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1718ad383c2cSLuiz Augusto von Dentz 1719e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1720ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1721ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1722e1d57235SMarcel Holtmann 17236126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 17246126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 17256126ffabSLuiz Augusto von Dentz 172605abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 172705abad85SLuiz Augusto von Dentz * has not been set. 172805abad85SLuiz Augusto von Dentz */ 172905abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 173005abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 173105abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1732b2af264aSKiran K 1733a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1734a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1735392fca35SSven Peter ((dev)->commands[37] & 0x40) && \ 1736392fca35SSven Peter !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks)) 1737392fca35SSven Peter 17384d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 17394d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1740a2344b9eSJaganath Kanakkassery 17416b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 17426b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 17436b49bcb4SJaganath Kanakkassery 1744a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1745a56a1138SLuiz Augusto von Dentz * 1746a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1747a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1748a56a1138SLuiz Augusto von Dentz */ 1749a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1750a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1751a56a1138SLuiz Augusto von Dentz 1752eca0ae4aSLuiz Augusto von Dentz /* Periodic advertising support */ 1753eca0ae4aSLuiz Augusto von Dentz #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV)) 1754eca0ae4aSLuiz Augusto von Dentz 1755eca0ae4aSLuiz Augusto von Dentz /* CIS Master/Slave and BIS support */ 1756eca0ae4aSLuiz Augusto von Dentz #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev)) 175726afbd82SLuiz Augusto von Dentz #define cis_capable(dev) \ 175826afbd82SLuiz Augusto von Dentz (cis_central_capable(dev) || cis_peripheral_capable(dev)) 175926afbd82SLuiz Augusto von Dentz #define cis_central_capable(dev) \ 176026afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL) 176126afbd82SLuiz Augusto von Dentz #define cis_peripheral_capable(dev) \ 176226afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL) 1763eca0ae4aSLuiz Augusto von Dentz #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER) 176426afbd82SLuiz Augusto von Dentz 1765ffcb0a44SSven Peter #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \ 1766ffcb0a44SSven Peter (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks))) 1767ffcb0a44SSven Peter 17681da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 176920714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 177020714bfeSFrédéric Dalleau 17715a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 177220714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 17731da177e4SLinus Torvalds { 1774686ebf28SUlisses Furquim switch (type) { 1775686ebf28SUlisses Furquim case ACL_LINK: 1776686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 17771da177e4SLinus Torvalds 1778686ebf28SUlisses Furquim case SCO_LINK: 1779686ebf28SUlisses Furquim case ESCO_LINK: 178020714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 17811da177e4SLinus Torvalds 178226afbd82SLuiz Augusto von Dentz case ISO_LINK: 1783ccf74f23SLuiz Augusto von Dentz return iso_connect_ind(hdev, bdaddr, flags); 178426afbd82SLuiz Augusto von Dentz 1785686ebf28SUlisses Furquim default: 1786686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1787686ebf28SUlisses Furquim return -EINVAL; 1788686ebf28SUlisses Furquim } 17891da177e4SLinus Torvalds } 17901da177e4SLinus Torvalds 17912950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 17922950f21aSMarcel Holtmann { 1793686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1794686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 17952950f21aSMarcel Holtmann 1796686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 17972950f21aSMarcel Holtmann } 17982950f21aSMarcel Holtmann 17991da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 18001da177e4SLinus Torvalds struct hci_cb { 18011da177e4SLinus Torvalds struct list_head list; 18021da177e4SLinus Torvalds 18031da177e4SLinus Torvalds char *name; 18041da177e4SLinus Torvalds 1805539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 18063a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 18075a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 18085a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 18091da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 18101da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 18111da177e4SLinus Torvalds }; 18121da177e4SLinus Torvalds 1813539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1814539c496dSJohan Hedberg { 1815539c496dSJohan Hedberg struct hci_cb *cb; 1816539c496dSJohan Hedberg 1817539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1818539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1819539c496dSJohan Hedberg if (cb->connect_cfm) 1820539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1821539c496dSJohan Hedberg } 1822539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1823539c496dSJohan Hedberg 1824539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1825539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1826539c496dSJohan Hedberg } 1827539c496dSJohan Hedberg 18283a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 18293a6d576bSJohan Hedberg { 18303a6d576bSJohan Hedberg struct hci_cb *cb; 18313a6d576bSJohan Hedberg 18323a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 18333a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 18343a6d576bSJohan Hedberg if (cb->disconn_cfm) 18353a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 18363a6d576bSJohan Hedberg } 18373a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18383a6d576bSJohan Hedberg 18393a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 18403a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 18413a6d576bSJohan Hedberg } 18423a6d576bSJohan Hedberg 18431da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 18441da177e4SLinus Torvalds { 1845711584eaSDenis Kirjanov struct hci_cb *cb; 18468c1b2355SMarcel Holtmann __u8 encrypt; 18471da177e4SLinus Torvalds 184851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 18498c1b2355SMarcel Holtmann return; 18508c1b2355SMarcel Holtmann 18514dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 18528c1b2355SMarcel Holtmann 1853fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1854711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18558c1b2355SMarcel Holtmann if (cb->security_cfm) 18568c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18571da177e4SLinus Torvalds } 1858fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1859354fe804SJohan Hedberg 1860354fe804SJohan Hedberg if (conn->security_cfm_cb) 1861354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18621da177e4SLinus Torvalds } 18631da177e4SLinus Torvalds 18643ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 18651da177e4SLinus Torvalds { 1866711584eaSDenis Kirjanov struct hci_cb *cb; 18673ca44c16SLuiz Augusto von Dentz __u8 encrypt; 18683ca44c16SLuiz Augusto von Dentz 18693ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1870339ddaa6SPatrick Steinhardt if (!status) 18713ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 18723ca44c16SLuiz Augusto von Dentz 18733ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 18743ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 18753ca44c16SLuiz Augusto von Dentz return; 18763ca44c16SLuiz Augusto von Dentz } 18773ca44c16SLuiz Augusto von Dentz 18783ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 18793ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 18803ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 18813ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 18823ca44c16SLuiz Augusto von Dentz else 18833ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 18841da177e4SLinus Torvalds 18858746f135SLuiz Augusto von Dentz if (!status) { 1886435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1887435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1888435fef20SMarcel Holtmann 188988167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 189088167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 18918746f135SLuiz Augusto von Dentz } 189288167aedSVinicius Costa Gomes 1893fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1894711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18958c1b2355SMarcel Holtmann if (cb->security_cfm) 18968c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18971da177e4SLinus Torvalds } 1898fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1899354fe804SJohan Hedberg 1900354fe804SJohan Hedberg if (conn->security_cfm_cb) 1901354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 19021da177e4SLinus Torvalds } 19031da177e4SLinus Torvalds 19041da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 19051da177e4SLinus Torvalds { 1906711584eaSDenis Kirjanov struct hci_cb *cb; 19071da177e4SLinus Torvalds 1908fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1909711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19101da177e4SLinus Torvalds if (cb->key_change_cfm) 19111da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 19121da177e4SLinus Torvalds } 1913fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 19141da177e4SLinus Torvalds } 19151da177e4SLinus Torvalds 19165a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 19175a9d0a3fSWaldemar Rymarkiewicz __u8 role) 19181da177e4SLinus Torvalds { 1919711584eaSDenis Kirjanov struct hci_cb *cb; 19201da177e4SLinus Torvalds 1921fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1922711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19231da177e4SLinus Torvalds if (cb->role_switch_cfm) 19241da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 19251da177e4SLinus Torvalds } 1926fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 19271da177e4SLinus Torvalds } 19281da177e4SLinus Torvalds 1929301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1930301cb2d8SJohan Hedberg { 1931dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1932301cb2d8SJohan Hedberg return false; 1933301cb2d8SJohan Hedberg 1934301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1935301cb2d8SJohan Hedberg return true; 1936301cb2d8SJohan Hedberg 1937301cb2d8SJohan Hedberg return false; 1938301cb2d8SJohan Hedberg } 1939301cb2d8SJohan Hedberg 1940c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1941c46245b3SJohan Hedberg { 1942c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1943c46245b3SJohan Hedberg return true; 1944c46245b3SJohan Hedberg 1945c46245b3SJohan Hedberg /* Check for Random Static address type */ 1946c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1947c46245b3SJohan Hedberg return true; 1948c46245b3SJohan Hedberg 1949c46245b3SJohan Hedberg return false; 1950c46245b3SJohan Hedberg } 1951c46245b3SJohan Hedberg 19522426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 19532426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 19542426f3a5SJohan Hedberg { 19552426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 19562426f3a5SJohan Hedberg return NULL; 19572426f3a5SJohan Hedberg 19582426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 19592426f3a5SJohan Hedberg } 19602426f3a5SJohan Hedberg 1961d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1962d4905f24SAndre Guedes u16 to_multiplier) 1963d4905f24SAndre Guedes { 1964d4905f24SAndre Guedes u16 max_latency; 1965d4905f24SAndre Guedes 1966d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1967d4905f24SAndre Guedes return -EINVAL; 1968d4905f24SAndre Guedes 1969d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1970d4905f24SAndre Guedes return -EINVAL; 1971d4905f24SAndre Guedes 1972d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1973d4905f24SAndre Guedes return -EINVAL; 1974d4905f24SAndre Guedes 19758757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1976d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1977d4905f24SAndre Guedes return -EINVAL; 1978d4905f24SAndre Guedes 1979d4905f24SAndre Guedes return 0; 1980d4905f24SAndre Guedes } 1981d4905f24SAndre Guedes 19821da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 19831da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 19841da177e4SLinus Torvalds 1985d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1986d6ee6ad7SLoic Poulain const void *param); 198775e84b7cSJohan Hedberg 198807dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 198907dc93ddSJohan Hedberg const void *param); 199073d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 19910d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 199226afbd82SLuiz Augusto von Dentz void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); 19931da177e4SLinus Torvalds 1994a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1995dfe6d5c3SLuiz Augusto von Dentz void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); 19961da177e4SLinus Torvalds 1997eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1998eab2404bSLuiz Augusto von Dentz 19991da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 2000470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 20017129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 2002c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 2003cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 200438ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 200538ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 200638ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 20071da177e4SLinus Torvalds 2008040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 2009040030efSMarcel Holtmann 2010a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 2011a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 2012a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 2013a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 2014d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 2015b9a245fbSJohan Hedberg 2016801c1e8dSJohan Hedberg struct hci_mgmt_handler { 2017801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 2018801c1e8dSJohan Hedberg u16 data_len); 2019801c1e8dSJohan Hedberg size_t data_len; 2020b9a245fbSJohan Hedberg unsigned long flags; 2021801c1e8dSJohan Hedberg }; 2022801c1e8dSJohan Hedberg 2023801c1e8dSJohan Hedberg struct hci_mgmt_chan { 2024801c1e8dSJohan Hedberg struct list_head list; 2025801c1e8dSJohan Hedberg unsigned short channel; 2026801c1e8dSJohan Hedberg size_t handler_count; 2027801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 202888b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 2029801c1e8dSJohan Hedberg }; 2030801c1e8dSJohan Hedberg 2031801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 2032801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 2033801c1e8dSJohan Hedberg 20340381101fSJohan Hedberg /* Management interface */ 2035591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 2036591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 2037591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2038591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 2039591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 2040591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2041f39799f5SAndre Guedes 20420d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 20430d8cc935SAndre Guedes * Discovery Procedure specification. 20440d8cc935SAndre Guedes */ 20450d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 20460d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 20473d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 2048ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 20490d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 20500d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 20514b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 2052cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 2053cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 2054eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ 2055eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ 2056b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */ 2057b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */ 2058b338d917SBrian Gix #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10) 20590d8cc935SAndre Guedes 2060dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 2061dbf6811aSArchie Pusaka 206203c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 206391a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 2064bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 2065bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 20663eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 20672ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 20682ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 2069dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 2070745c0ce3SVishal Agarwal bool persistent); 207148ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 20721c6ed31bSYu Liu u8 *name, u8 name_len); 20739b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 207412d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 207512d4a3b2SJohan Hedberg bool mgmt_connected); 20767892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 207788c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2078445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 207948264f06SJohan Hedberg u8 addr_type, u8 status); 2080ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 2081e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2082c35938b2SSzymon Janc u8 status); 20833eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2084744cf19eSJohan Hedberg u8 status); 2085744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 208639adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 2087272d90dfSJohan Hedberg u8 confirm_hint); 2088744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2089272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2090272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2091272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2092272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 2093272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 2094604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2095272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2096272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2097272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 209892a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 209992a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 210092a25256SJohan Hedberg u8 entered); 2101e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 2102464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 21034e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 21047f9a903cSMarcel Holtmann u8 status); 21057667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 2106e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 21072154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 2108901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2109af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 2110b338d917SBrian Gix u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, 2111b338d917SBrian Gix u64 instant); 21129cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2113b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 21142f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 2115346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 2116346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 2117346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 211884c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 211953ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 2120cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 212153ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 212253ac6ab6SMarcel Holtmann bool persistent); 2123ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 2124f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 2125f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 2126f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 2127f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 2128f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 2129f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 2130f2252570SJohan Hedberg u8 instance); 2131f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 2132f2252570SJohan Hedberg u8 instance); 213366bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 2134b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 21358d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 21368d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 2137346af67bSVinicius Costa Gomes 21381a942de0SBrian Gix int hci_abort_conn(struct hci_conn *conn, u8 reason); 21397d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 21407d6ca693SJohan Hedberg u16 to_multiplier); 2141fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 21428b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 21432519a1fcSAndre Guedes 2144a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 2145a1f4c318SJohan Hedberg u8 *bdaddr_type); 2146ebd3a747SJohan Hedberg 21475d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 21485d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 21495d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 21505d4d62f6SFrédéric Dalleau 21518961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 21528961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 21538961987fSKiran K 21548961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 21558961987fSKiran K 21561da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 2157