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; 518744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 519b338d917SBrian Gix struct work_struct reenable_adv_work; 520ab81cbf9SJohan Hedberg 52116ab91abSJohan Hedberg __u16 discov_timeout; 52216ab91abSJohan Hedberg struct delayed_work discov_off; 52316ab91abSJohan Hedberg 5247d78525dSJohan Hedberg struct delayed_work service_cache; 5257d78525dSJohan Hedberg 52665cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 527de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 528b78752ccSMarcel Holtmann 529b78752ccSMarcel Holtmann struct work_struct rx_work; 530c347b765SGustavo F. Padovan struct work_struct cmd_work; 5313eff45eaSGustavo F. Padovan struct work_struct tx_work; 5321da177e4SLinus Torvalds 5337c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5347c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5352e93e53bSJohan Hedberg 5361da177e4SLinus Torvalds struct sk_buff_head rx_q; 5371da177e4SLinus Torvalds struct sk_buff_head raw_q; 5381da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvalds struct sk_buff *sent_cmd; 541dfe6d5c3SLuiz Augusto von Dentz struct sk_buff *recv_event; 5421da177e4SLinus Torvalds 543a6a67efdSThomas Gleixner struct mutex req_lock; 5441da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5451da177e4SLinus Torvalds __u32 req_status; 5461da177e4SLinus Torvalds __u32 req_result; 547f60cb305SJohan Hedberg struct sk_buff *req_skb; 548a5040efaSJohan Hedberg 54970db83c4SJohan Hedberg void *smp_data; 550ef8efe4bSJohan Hedberg void *smp_bredr_data; 5512e58ef3eSJohan Hedberg 55230883512SJohan Hedberg struct discovery_state discovery; 5539952d90eSAbhishek Pandit-Subedi 5544867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5554867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5564867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5574867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5584867bd00SAbhishek Pandit-Subedi 5599952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5609952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5619952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5624f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5634f40afc6SAbhishek Pandit-Subedi bool suspended; 5642f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5652f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5662f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5679952d90eSAbhishek Pandit-Subedi 5681da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5695c136e90SAndre Guedes 570b338d917SBrian Gix struct list_head mesh_pending; 5715c136e90SAndre Guedes struct list_head mgmt_pending; 5723d4f9c00SArchie Pusaka struct list_head reject_list; 5733d4f9c00SArchie Pusaka struct list_head accept_list; 5742aeb9a1aSJohan Hedberg struct list_head uuids; 57555ed8ca1SJohan Hedberg struct list_head link_keys; 576b899efafSVinicius Costa Gomes struct list_head long_term_keys; 577970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5782763eda6SSzymon Janc struct list_head remote_oob_data; 5793d4f9c00SArchie Pusaka struct list_head le_accept_list; 580cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 58115819a70SAndre Guedes struct list_head le_conn_params; 58277a77a30SAndre Guedes struct list_head pend_le_conns; 58366f8455aSJohan Hedberg struct list_head pend_le_reports; 584600a8749SAlain Michaud struct list_head blocked_keys; 5858961987fSKiran K struct list_head local_codecs; 5862763eda6SSzymon Janc 5871da177e4SLinus Torvalds struct hci_dev_stats stat; 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds atomic_t promisc; 5901da177e4SLinus Torvalds 5915177a838SMarcel Holtmann const char *hw_info; 5925177a838SMarcel Holtmann const char *fw_info; 593ca325f69SMarcel Holtmann struct dentry *debugfs; 594ca325f69SMarcel Holtmann 5959695ef87SAbhishek Pandit-Subedi #ifdef CONFIG_DEV_COREDUMP 5969695ef87SAbhishek Pandit-Subedi struct hci_devcoredump dump; 5979695ef87SAbhishek Pandit-Subedi #endif 5989695ef87SAbhishek Pandit-Subedi 599a91f2e39SMarcel Holtmann struct device dev; 6001da177e4SLinus Torvalds 601611b30f7SMarcel Holtmann struct rfkill *rfkill; 602611b30f7SMarcel Holtmann 603eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 604e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 605d23264a8SAndre Guedes 6068fa19098SJohan Hedberg __s8 adv_tx_power; 607c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 6083f0f524bSJohan Hedberg __u8 adv_data_len; 609c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 610f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 611eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 612eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data_len; 6138fa19098SJohan Hedberg 614d2609b34SFlorian Grandel struct list_head adv_instances; 615d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 616d2609b34SFlorian Grandel __u8 cur_adv_instance; 6175d900e46SFlorian Grandel __u16 adv_instance_timeout; 6185d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 619203fea01SArman Uguray 620e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 621e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 622e5e1e7fdSMiao-chen Chou 623863efaf2SJohan Hedberg __u8 irk[16]; 624d6bfd59cSJohan Hedberg __u32 rpa_timeout; 625d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6262b5224dcSMarcel Holtmann bdaddr_t rpa; 627863efaf2SJohan Hedberg 628b338d917SBrian Gix struct delayed_work mesh_send_done; 629b338d917SBrian Gix 630c4f1f408SHoward Chung enum { 631c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 632c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 633c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 634c4f1f408SHoward Chung } interleave_scan_state; 635c4f1f408SHoward Chung 636c4f1f408SHoward Chung struct delayed_work interleave_scan; 637c4f1f408SHoward Chung 6383368aa35SManish Mandlik struct list_head monitored_devices; 6398d7f1677SManish Mandlik bool advmon_pend_notify; 6403368aa35SManish Mandlik 64153f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6426d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 64353f863a6SMarcel Holtmann #endif 6446d5d2ee6SHeiner Kallweit 645145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 646145373cbSMiao-chen Chou __u16 msft_opcode; 647145373cbSMiao-chen Chou void *msft_data; 648a61d6718SMarcel Holtmann bool msft_curve_validity; 649145373cbSMiao-chen Chou #endif 650145373cbSMiao-chen Chou 651f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 652f67743f9SMarcel Holtmann bool aosp_capable; 653749a6c59SJoseph Hwang bool aosp_quality_report; 654f67743f9SMarcel Holtmann #endif 655f67743f9SMarcel Holtmann 6561da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6571da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6581da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 659f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 660a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6617bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6621da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 663c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 66498a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6654b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 66624c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 667e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 668c9209b26SArchie Pusaka void (*reset)(struct hci_dev *hdev); 6694539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 670ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 671248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6729798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6739798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6749798fbdeSKiran K __u8 **vnd_data); 6751da177e4SLinus Torvalds }; 6761da177e4SLinus Torvalds 67753502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 67853502d69SAndrei Emeltchenko 67976b13996SManish Mandlik enum conn_reasons { 68076b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 68176b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 68276b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 68326afbd82SLuiz Augusto von Dentz CONN_REASON_ISO_CONNECT, 68476b13996SManish Mandlik }; 68576b13996SManish Mandlik 6861da177e4SLinus Torvalds struct hci_conn { 6871da177e4SLinus Torvalds struct list_head list; 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds atomic_t refcnt; 6901da177e4SLinus Torvalds 6911da177e4SLinus Torvalds bdaddr_t dst; 69229b7988aSAndre Guedes __u8 dst_type; 693662e8820SMarcel Holtmann bdaddr_t src; 694e7c4096eSMarcel Holtmann __u8 src_type; 695cb1d68f7SJohan Hedberg bdaddr_t init_addr; 696cb1d68f7SJohan Hedberg __u8 init_addr_type; 697cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 698cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6997087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 7001da177e4SLinus Torvalds __u16 handle; 701eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle; 7021da177e4SLinus Torvalds __u16 state; 70304837f64SMarcel Holtmann __u8 mode; 7041da177e4SLinus Torvalds __u8 type; 70540bef302SJohan Hedberg __u8 role; 706a0c808b3SJohan Hedberg bool out; 7074c67bc74SMarcel Holtmann __u8 attempt; 7081da177e4SLinus Torvalds __u8 dev_class[3]; 709cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 710a8746417SMarcel Holtmann __u16 pkt_type; 71104837f64SMarcel Holtmann __u16 link_policy; 71213d39315SWaldemar Rymarkiewicz __u8 key_type; 71340be492fSMarcel Holtmann __u8 auth_type; 7148c1b2355SMarcel Holtmann __u8 sec_level; 715765c2a96SJohan Hedberg __u8 pending_sec_level; 716980e1a53SJohan Hedberg __u8 pin_length; 717726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 71817fa4b9dSJohan Hedberg __u8 io_capability; 71992a25256SJohan Hedberg __u32 passkey_notify; 72092a25256SJohan Hedberg __u8 passkey_entered; 721052b30b0SMarcel Holtmann __u16 disc_timeout; 72209ae260bSJohan Hedberg __u16 conn_timeout; 72310c62ddcSFrédéric Dalleau __u16 setting; 724302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7251e406eefSAndre Guedes __u16 le_conn_min_interval; 7261e406eefSAndre Guedes __u16 le_conn_max_interval; 727e04fde60SMarcel Holtmann __u16 le_conn_interval; 728e04fde60SMarcel Holtmann __u16 le_conn_latency; 729e04fde60SMarcel Holtmann __u16 le_supv_timeout; 730fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 731fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 732eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH]; 733eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data_len; 7341efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7351efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7365ae76a94SAndrzej Kaczmarek __s8 rssi; 7375a134faeSAndrzej Kaczmarek __s8 tx_power; 738d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 73926afbd82SLuiz Augusto von Dentz struct bt_iso_qos iso_qos; 74051a8efd7SJohan Hedberg unsigned long flags; 7411da177e4SLinus Torvalds 74276b13996SManish Mandlik enum conn_reasons conn_reason; 74376b13996SManish Mandlik 74433f35721SJohan Hedberg __u32 clock; 74533f35721SJohan Hedberg __u16 clock_accuracy; 74633f35721SJohan Hedberg 747dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 748dd983808SAndrzej Kaczmarek 74903b555e1SJohan Hedberg __u8 remote_cap; 75003b555e1SJohan Hedberg __u8 remote_auth; 7513161ae1cSAndrei Emeltchenko __u8 remote_id; 75203b555e1SJohan Hedberg 7531da177e4SLinus Torvalds unsigned int sent; 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds struct sk_buff_head data_q; 7562c33c06aSGustavo F. Padovan struct list_head chan_list; 7571da177e4SLinus Torvalds 75819c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7597bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 760a74a84f6SJohan Hedberg struct delayed_work idle_work; 7619489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7628ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7631da177e4SLinus Torvalds 764b219e3acSMarcel Holtmann struct device dev; 76523b9ceb7SMarcel Holtmann struct dentry *debugfs; 766b219e3acSMarcel Holtmann 7671da177e4SLinus Torvalds struct hci_dev *hdev; 7681da177e4SLinus Torvalds void *l2cap_data; 7691da177e4SLinus Torvalds void *sco_data; 77026afbd82SLuiz Augusto von Dentz void *iso_data; 7719740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7721da177e4SLinus Torvalds 7731da177e4SLinus Torvalds struct hci_conn *link; 774b2af264aSKiran K struct bt_codec codec; 775e9a416b5SJohan Hedberg 776e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 777e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 778e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 77926afbd82SLuiz Augusto von Dentz 78026afbd82SLuiz Augusto von Dentz void (*cleanup)(struct hci_conn *conn); 7811da177e4SLinus Torvalds }; 7821da177e4SLinus Torvalds 78373d80debSLuiz Augusto von Dentz struct hci_chan { 78473d80debSLuiz Augusto von Dentz struct list_head list; 78542c4e53eSAndrei Emeltchenko __u16 handle; 78673d80debSLuiz Augusto von Dentz struct hci_conn *conn; 78773d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 78873d80debSLuiz Augusto von Dentz unsigned int sent; 789168df8e5SMat Martineau __u8 state; 7905c4c8c95SArchie Pusaka bool amp; 79173d80debSLuiz Augusto von Dentz }; 79273d80debSLuiz Augusto von Dentz 79315819a70SAndre Guedes struct hci_conn_params { 79415819a70SAndre Guedes struct list_head list; 79593450c75SJohan Hedberg struct list_head action; 79615819a70SAndre Guedes 79715819a70SAndre Guedes bdaddr_t addr; 79815819a70SAndre Guedes u8 addr_type; 79915819a70SAndre Guedes 80015819a70SAndre Guedes u16 conn_min_interval; 80115819a70SAndre Guedes u16 conn_max_interval; 802f044eb05SMarcel Holtmann u16 conn_latency; 803f044eb05SMarcel Holtmann u16 supervision_timeout; 8049fcb18efSAndre Guedes 8059fcb18efSAndre Guedes enum { 8069fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 807a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 8084b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 8099fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 8109fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 811158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 8129fcb18efSAndre Guedes } auto_connect; 813f161dd41SJohan Hedberg 814f161dd41SJohan Hedberg struct hci_conn *conn; 815158e9218SJakub Pawlowski bool explicit_connect; 816e1cff700SLinus Torvalds hci_conn_flags_t flags; 817853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 81815819a70SAndre Guedes }; 81915819a70SAndre Guedes 8201da177e4SLinus Torvalds extern struct list_head hci_dev_list; 8211da177e4SLinus Torvalds extern struct list_head hci_cb_list; 8221da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 823fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 8241da177e4SLinus Torvalds 825eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 826eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 827eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 828eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 829eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 830eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 831eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 832d7a5a11dSMarcel Holtmann 833eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 834eacb44dfSMarcel Holtmann do { \ 835eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 836eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8372eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 838eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 839ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 840eacb44dfSMarcel Holtmann } while (0) 841516018a9SMarcel Holtmann 8424fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8434fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8444fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8454fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8464fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8474fc9857aSLuiz Augusto von Dentz 848686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 849e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 850e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8519b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 852686ebf28SUlisses Furquim 853ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 854e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8559b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 856ff50e8afSArron Wang #else 857ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 858ff50e8afSArron Wang __u8 *flags) 859ff50e8afSArron Wang { 860ff50e8afSArron Wang return 0; 861ff50e8afSArron Wang } 862ff50e8afSArron Wang 863ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 864ff50e8afSArron Wang { 865ff50e8afSArron Wang } 866ff50e8afSArron Wang #endif 867686ebf28SUlisses Furquim 868ccf74f23SLuiz Augusto von Dentz #if IS_ENABLED(CONFIG_BT_LE) 869ccf74f23SLuiz Augusto von Dentz int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 870ccf74f23SLuiz Augusto von Dentz void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 871ccf74f23SLuiz Augusto von Dentz #else 872ccf74f23SLuiz Augusto von Dentz static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 873ccf74f23SLuiz Augusto von Dentz __u8 *flags) 874ccf74f23SLuiz Augusto von Dentz { 875ccf74f23SLuiz Augusto von Dentz return 0; 876ccf74f23SLuiz Augusto von Dentz } 877ccf74f23SLuiz Augusto von Dentz static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, 878ccf74f23SLuiz Augusto von Dentz u16 flags) 879ccf74f23SLuiz Augusto von Dentz { 880ccf74f23SLuiz Augusto von Dentz } 881ccf74f23SLuiz Augusto von Dentz #endif 882ccf74f23SLuiz Augusto von Dentz 8831da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 88470f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 88570f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8861da177e4SLinus Torvalds 88730883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8881da177e4SLinus Torvalds { 889ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 89030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 89130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 89230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 893da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 89437eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8951da177e4SLinus Torvalds } 8961da177e4SLinus Torvalds 8970256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8980256325eSMarcel Holtmann { 89982f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 900da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 9010256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 9020256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 9030256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 9040256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 9052d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 9062d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 9070256325eSMarcel Holtmann } 9080256325eSMarcel Holtmann 90930dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 91030dc78e1SJohan Hedberg 911ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 912ff9ef578SJohan Hedberg 9131da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 9141da177e4SLinus Torvalds { 91530883512SJohan Hedberg return list_empty(&hdev->discovery.all); 9161da177e4SLinus Torvalds } 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 9191da177e4SLinus Torvalds { 92030883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 9211da177e4SLinus Torvalds return jiffies - c->timestamp; 9221da177e4SLinus Torvalds } 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 9251da177e4SLinus Torvalds { 9261da177e4SLinus Torvalds return jiffies - e->timestamp; 9271da177e4SLinus Torvalds } 9281da177e4SLinus Torvalds 9295a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 9305a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 931561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 932561aafbcSJohan Hedberg bdaddr_t *bdaddr); 93330dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 93430dc78e1SJohan Hedberg bdaddr_t *bdaddr, 93530dc78e1SJohan Hedberg int state); 936a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 937a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 938af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 939af58925cSMarcel Holtmann bool name_known); 9401f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 9411da177e4SLinus Torvalds 9421da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 9431da177e4SLinus Torvalds enum { 9441da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 94519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9461da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 94704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 94804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 949e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 950b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 95158a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 952eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 953abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 95458a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 955af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9564dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9574dae2798SJohan Hedberg HCI_CONN_AUTH, 9584dae2798SJohan Hedberg HCI_CONN_SECURE, 9594dae2798SJohan Hedberg HCI_CONN_FIPS, 960fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 961977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 962f94b665dSJohan Hedberg HCI_CONN_DROP, 963b62e7220SLuiz Augusto von Dentz HCI_CONN_CANCEL, 96489cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 965fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 966158e9218SJakub Pawlowski HCI_CONN_SCANNING, 967160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 968eca0ae4aSLuiz Augusto von Dentz HCI_CONN_PER_ADV, 9691da177e4SLinus Torvalds }; 9701da177e4SLinus Torvalds 971aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 972aa64a8b5SJohan Hedberg { 973aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 974d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 975c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 976aa64a8b5SJohan Hedberg } 977aa64a8b5SJohan Hedberg 978eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 979eb9a8f3fSMarcel Holtmann { 980eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 981d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 982eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 983eb9a8f3fSMarcel Holtmann } 984eb9a8f3fSMarcel Holtmann 9851da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9861da177e4SLinus Torvalds { 9871da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 988d4b20f0bSLuiz Augusto von Dentz list_add_tail_rcu(&c->list, &h->list); 989fcd89c09SVille Tervo switch (c->type) { 990fcd89c09SVille Tervo case ACL_LINK: 9911da177e4SLinus Torvalds h->acl_num++; 992fcd89c09SVille Tervo break; 993bd1eb66bSAndrei Emeltchenko case AMP_LINK: 994bd1eb66bSAndrei Emeltchenko h->amp_num++; 995bd1eb66bSAndrei Emeltchenko break; 996fcd89c09SVille Tervo case LE_LINK: 997fcd89c09SVille Tervo h->le_num++; 998f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 99939bc74caSArchie Pusaka h->le_num_peripheral++; 1000fcd89c09SVille Tervo break; 1001fcd89c09SVille Tervo case SCO_LINK: 1002fcd89c09SVille Tervo case ESCO_LINK: 10031da177e4SLinus Torvalds h->sco_num++; 1004fcd89c09SVille Tervo break; 100526afbd82SLuiz Augusto von Dentz case ISO_LINK: 100626afbd82SLuiz Augusto von Dentz h->iso_num++; 100726afbd82SLuiz Augusto von Dentz break; 1008fcd89c09SVille Tervo } 10091da177e4SLinus Torvalds } 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 10121da177e4SLinus Torvalds { 10131da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 1014bf4c6325SGustavo F. Padovan 1015bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 1016bf4c6325SGustavo F. Padovan synchronize_rcu(); 1017bf4c6325SGustavo F. Padovan 1018fcd89c09SVille Tervo switch (c->type) { 1019fcd89c09SVille Tervo case ACL_LINK: 10201da177e4SLinus Torvalds h->acl_num--; 1021fcd89c09SVille Tervo break; 1022bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1023bd1eb66bSAndrei Emeltchenko h->amp_num--; 1024bd1eb66bSAndrei Emeltchenko break; 1025fcd89c09SVille Tervo case LE_LINK: 1026fcd89c09SVille Tervo h->le_num--; 1027f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 102839bc74caSArchie Pusaka h->le_num_peripheral--; 1029fcd89c09SVille Tervo break; 1030fcd89c09SVille Tervo case SCO_LINK: 1031fcd89c09SVille Tervo case ESCO_LINK: 10321da177e4SLinus Torvalds h->sco_num--; 1033fcd89c09SVille Tervo break; 103426afbd82SLuiz Augusto von Dentz case ISO_LINK: 103526afbd82SLuiz Augusto von Dentz h->iso_num--; 103626afbd82SLuiz Augusto von Dentz break; 1037fcd89c09SVille Tervo } 10381da177e4SLinus Torvalds } 10391da177e4SLinus Torvalds 104052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 104152087a79SLuiz Augusto von Dentz { 104252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 104352087a79SLuiz Augusto von Dentz switch (type) { 104452087a79SLuiz Augusto von Dentz case ACL_LINK: 104552087a79SLuiz Augusto von Dentz return h->acl_num; 1046bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1047bd1eb66bSAndrei Emeltchenko return h->amp_num; 104852087a79SLuiz Augusto von Dentz case LE_LINK: 104952087a79SLuiz Augusto von Dentz return h->le_num; 105052087a79SLuiz Augusto von Dentz case SCO_LINK: 105152087a79SLuiz Augusto von Dentz case ESCO_LINK: 105252087a79SLuiz Augusto von Dentz return h->sco_num; 105326afbd82SLuiz Augusto von Dentz case ISO_LINK: 105426afbd82SLuiz Augusto von Dentz return h->iso_num; 105552087a79SLuiz Augusto von Dentz default: 105652087a79SLuiz Augusto von Dentz return 0; 105752087a79SLuiz Augusto von Dentz } 105852087a79SLuiz Augusto von Dentz } 105952087a79SLuiz Augusto von Dentz 1060f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1061f4f07505SJohan Hedberg { 1062f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1063f4f07505SJohan Hedberg 106426afbd82SLuiz Augusto von Dentz return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num; 1065f4f07505SJohan Hedberg } 1066f4f07505SJohan Hedberg 1067845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1068845472e8SMarcel Holtmann { 1069845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1070845472e8SMarcel Holtmann struct hci_conn *c; 1071845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1072845472e8SMarcel Holtmann 1073845472e8SMarcel Holtmann rcu_read_lock(); 1074845472e8SMarcel Holtmann 1075845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1076845472e8SMarcel Holtmann if (c->handle == handle) { 1077845472e8SMarcel Holtmann type = c->type; 1078845472e8SMarcel Holtmann break; 1079845472e8SMarcel Holtmann } 1080845472e8SMarcel Holtmann } 1081845472e8SMarcel Holtmann 1082845472e8SMarcel Holtmann rcu_read_unlock(); 1083845472e8SMarcel Holtmann 1084845472e8SMarcel Holtmann return type; 1085845472e8SMarcel Holtmann } 1086845472e8SMarcel Holtmann 1087eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev, 1088eca0ae4aSLuiz Augusto von Dentz bdaddr_t *ba, 1089eca0ae4aSLuiz Augusto von Dentz __u8 big, __u8 bis) 1090eca0ae4aSLuiz Augusto von Dentz { 1091eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1092eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1093eca0ae4aSLuiz Augusto von Dentz 1094eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1095eca0ae4aSLuiz Augusto von Dentz 1096eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1097eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, ba) || c->type != ISO_LINK) 1098eca0ae4aSLuiz Augusto von Dentz continue; 1099eca0ae4aSLuiz Augusto von Dentz 11000fe8c8d0SIulia Tanasescu if (c->iso_qos.bcast.big == big && c->iso_qos.bcast.bis == bis) { 1101eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1102eca0ae4aSLuiz Augusto von Dentz return c; 1103eca0ae4aSLuiz Augusto von Dentz } 1104eca0ae4aSLuiz Augusto von Dentz } 1105eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1106eca0ae4aSLuiz Augusto von Dentz 1107eca0ae4aSLuiz Augusto von Dentz return NULL; 1108eca0ae4aSLuiz Augusto von Dentz } 1109eca0ae4aSLuiz Augusto von Dentz 11101da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 11111da177e4SLinus Torvalds __u16 handle) 11121da177e4SLinus Torvalds { 11131da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11141da177e4SLinus Torvalds struct hci_conn *c; 11151da177e4SLinus Torvalds 1116bf4c6325SGustavo F. Padovan rcu_read_lock(); 1117bf4c6325SGustavo F. Padovan 1118bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1119bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1120bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11211da177e4SLinus Torvalds return c; 11221da177e4SLinus Torvalds } 1123bf4c6325SGustavo F. Padovan } 1124bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1125bf4c6325SGustavo F. Padovan 11261da177e4SLinus Torvalds return NULL; 11271da177e4SLinus Torvalds } 11281da177e4SLinus Torvalds 11291da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 11301da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 11311da177e4SLinus Torvalds { 11321da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11331da177e4SLinus Torvalds struct hci_conn *c; 11341da177e4SLinus Torvalds 1135bf4c6325SGustavo F. Padovan rcu_read_lock(); 1136bf4c6325SGustavo F. Padovan 1137bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1138bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1139bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11401da177e4SLinus Torvalds return c; 11411da177e4SLinus Torvalds } 1142bf4c6325SGustavo F. Padovan } 1143bf4c6325SGustavo F. Padovan 1144bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1145bf4c6325SGustavo F. Padovan 11461da177e4SLinus Torvalds return NULL; 11471da177e4SLinus Torvalds } 11481da177e4SLinus Torvalds 11491b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 11501b51c7b6SJohan Hedberg bdaddr_t *ba, 11511b51c7b6SJohan Hedberg __u8 ba_type) 11521b51c7b6SJohan Hedberg { 11531b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 11541b51c7b6SJohan Hedberg struct hci_conn *c; 11551b51c7b6SJohan Hedberg 11561b51c7b6SJohan Hedberg rcu_read_lock(); 11571b51c7b6SJohan Hedberg 11581b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 11591b51c7b6SJohan Hedberg if (c->type != LE_LINK) 11601b51c7b6SJohan Hedberg continue; 11611b51c7b6SJohan Hedberg 11621b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 11631b51c7b6SJohan Hedberg rcu_read_unlock(); 11641b51c7b6SJohan Hedberg return c; 11651b51c7b6SJohan Hedberg } 11661b51c7b6SJohan Hedberg } 11671b51c7b6SJohan Hedberg 11681b51c7b6SJohan Hedberg rcu_read_unlock(); 11691b51c7b6SJohan Hedberg 11701b51c7b6SJohan Hedberg return NULL; 11711b51c7b6SJohan Hedberg } 11721b51c7b6SJohan Hedberg 117326afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev, 117426afbd82SLuiz Augusto von Dentz bdaddr_t *ba, 117526afbd82SLuiz Augusto von Dentz __u8 ba_type) 117626afbd82SLuiz Augusto von Dentz { 117726afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 117826afbd82SLuiz Augusto von Dentz struct hci_conn *c; 117926afbd82SLuiz Augusto von Dentz 118026afbd82SLuiz Augusto von Dentz rcu_read_lock(); 118126afbd82SLuiz Augusto von Dentz 118226afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 118326afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 118426afbd82SLuiz Augusto von Dentz continue; 118526afbd82SLuiz Augusto von Dentz 118626afbd82SLuiz Augusto von Dentz if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 118726afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 118826afbd82SLuiz Augusto von Dentz return c; 118926afbd82SLuiz Augusto von Dentz } 119026afbd82SLuiz Augusto von Dentz } 119126afbd82SLuiz Augusto von Dentz 119226afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 119326afbd82SLuiz Augusto von Dentz 119426afbd82SLuiz Augusto von Dentz return NULL; 119526afbd82SLuiz Augusto von Dentz } 119626afbd82SLuiz Augusto von Dentz 119726afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev, 119826afbd82SLuiz Augusto von Dentz __u8 handle) 119926afbd82SLuiz Augusto von Dentz { 120026afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 120126afbd82SLuiz Augusto von Dentz struct hci_conn *c; 120226afbd82SLuiz Augusto von Dentz 120326afbd82SLuiz Augusto von Dentz rcu_read_lock(); 120426afbd82SLuiz Augusto von Dentz 120526afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 120626afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 120726afbd82SLuiz Augusto von Dentz continue; 120826afbd82SLuiz Augusto von Dentz 12090fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.ucast.cig) { 121026afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 121126afbd82SLuiz Augusto von Dentz return c; 121226afbd82SLuiz Augusto von Dentz } 121326afbd82SLuiz Augusto von Dentz } 121426afbd82SLuiz Augusto von Dentz 121526afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 121626afbd82SLuiz Augusto von Dentz 121726afbd82SLuiz Augusto von Dentz return NULL; 121826afbd82SLuiz Augusto von Dentz } 121926afbd82SLuiz Augusto von Dentz 1220eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, 1221eca0ae4aSLuiz Augusto von Dentz __u8 handle) 1222eca0ae4aSLuiz Augusto von Dentz { 1223eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1224eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1225eca0ae4aSLuiz Augusto von Dentz 1226eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1227eca0ae4aSLuiz Augusto von Dentz 1228eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1229eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK) 1230eca0ae4aSLuiz Augusto von Dentz continue; 1231eca0ae4aSLuiz Augusto von Dentz 12320fe8c8d0SIulia Tanasescu if (handle == c->iso_qos.bcast.big) { 1233eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1234eca0ae4aSLuiz Augusto von Dentz return c; 1235eca0ae4aSLuiz Augusto von Dentz } 1236eca0ae4aSLuiz Augusto von Dentz } 1237eca0ae4aSLuiz Augusto von Dentz 1238eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1239eca0ae4aSLuiz Augusto von Dentz 1240eca0ae4aSLuiz Augusto von Dentz return NULL; 1241eca0ae4aSLuiz Augusto von Dentz } 1242eca0ae4aSLuiz Augusto von Dentz 12434c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 12444c67bc74SMarcel Holtmann __u8 type, __u16 state) 12454c67bc74SMarcel Holtmann { 12464c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 12474c67bc74SMarcel Holtmann struct hci_conn *c; 12484c67bc74SMarcel Holtmann 1249bf4c6325SGustavo F. Padovan rcu_read_lock(); 1250bf4c6325SGustavo F. Padovan 1251bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1252bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1253bf4c6325SGustavo F. Padovan rcu_read_unlock(); 12544c67bc74SMarcel Holtmann return c; 12554c67bc74SMarcel Holtmann } 1256bf4c6325SGustavo F. Padovan } 1257bf4c6325SGustavo F. Padovan 1258bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1259bf4c6325SGustavo F. Padovan 12604c67bc74SMarcel Holtmann return NULL; 12614c67bc74SMarcel Holtmann } 12624c67bc74SMarcel Holtmann 126326afbd82SLuiz Augusto von Dentz typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); 126426afbd82SLuiz Augusto von Dentz static inline void hci_conn_hash_list_state(struct hci_dev *hdev, 126526afbd82SLuiz Augusto von Dentz hci_conn_func_t func, __u8 type, 126626afbd82SLuiz Augusto von Dentz __u16 state, void *data) 126726afbd82SLuiz Augusto von Dentz { 126826afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 126926afbd82SLuiz Augusto von Dentz struct hci_conn *c; 127026afbd82SLuiz Augusto von Dentz 127126afbd82SLuiz Augusto von Dentz if (!func) 127226afbd82SLuiz Augusto von Dentz return; 127326afbd82SLuiz Augusto von Dentz 127426afbd82SLuiz Augusto von Dentz rcu_read_lock(); 127526afbd82SLuiz Augusto von Dentz 127626afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 127726afbd82SLuiz Augusto von Dentz if (c->type == type && c->state == state) 127826afbd82SLuiz Augusto von Dentz func(c, data); 127926afbd82SLuiz Augusto von Dentz } 128026afbd82SLuiz Augusto von Dentz 128126afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 128226afbd82SLuiz Augusto von Dentz } 128326afbd82SLuiz Augusto von Dentz 1284e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1285e7d9ab73SJakub Pawlowski { 1286e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1287e7d9ab73SJakub Pawlowski struct hci_conn *c; 1288e7d9ab73SJakub Pawlowski 1289e7d9ab73SJakub Pawlowski rcu_read_lock(); 1290e7d9ab73SJakub Pawlowski 1291e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1292e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1293e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1294e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1295e7d9ab73SJakub Pawlowski return c; 1296e7d9ab73SJakub Pawlowski } 1297e7d9ab73SJakub Pawlowski } 1298e7d9ab73SJakub Pawlowski 1299e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1300e7d9ab73SJakub Pawlowski 1301e7d9ab73SJakub Pawlowski return NULL; 1302e7d9ab73SJakub Pawlowski } 1303e7d9ab73SJakub Pawlowski 1304e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 13052dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1306e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 130726afbd82SLuiz Augusto von Dentz bool hci_iso_setup_path(struct hci_conn *conn); 130826afbd82SLuiz Augusto von Dentz int hci_le_create_cis(struct hci_conn *conn); 13091da177e4SLinus Torvalds 1310a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1311a5c4e309SJohan Hedberg u8 role); 13121da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 13131da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1314a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 13151da177e4SLinus Torvalds 131673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 13179472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 13182c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 131942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 132073d80debSLuiz Augusto von Dentz 1321f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1322f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 132376b13996SManish Mandlik u16 conn_timeout, 132476b13996SManish Mandlik enum conn_reasons conn_reason); 132504a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1326d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 13278e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 132804a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 132976b13996SManish Mandlik u8 sec_level, u8 auth_type, 133076b13996SManish Mandlik enum conn_reasons conn_reason); 133110c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1332b2af264aSKiran K __u16 setting, struct bt_codec *codec); 133326afbd82SLuiz Augusto von Dentz struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, 133426afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 133526afbd82SLuiz Augusto von Dentz struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst, 133626afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1337eca0ae4aSLuiz Augusto von Dentz struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst, 1338eca0ae4aSLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos, 1339eca0ae4aSLuiz Augusto von Dentz __u8 data_len, __u8 *data); 1340eca0ae4aSLuiz Augusto von Dentz int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type, 13410fe8c8d0SIulia Tanasescu __u8 sid, struct bt_iso_qos *qos); 1342eca0ae4aSLuiz Augusto von Dentz int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos, 1343eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle, __u8 num_bis, __u8 bis[]); 1344e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1345b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1346e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1347e7cafc45SJohan Hedberg bool initiator); 13488c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 13491da177e4SLinus Torvalds 135014b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 13511da177e4SLinus Torvalds 13529b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 135306c053fbSAndre Guedes 13548d12356fSDavid Herrmann /* 13558d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 13568d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 13578d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 13588d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 13598d12356fSDavid Herrmann * other constant data. 13608d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 13618d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 13628d12356fSDavid Herrmann * get dropped, though. 13638d12356fSDavid Herrmann * 13648d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 13658d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 13668d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 13678d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 13688d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 13698d12356fSDavid Herrmann * hci_conn_add()). 13708d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 13718d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 13728d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 13738d12356fSDavid Herrmann */ 13748d12356fSDavid Herrmann 137551bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 13768d12356fSDavid Herrmann { 13778d12356fSDavid Herrmann get_device(&conn->dev); 137851bb8457SJohan Hedberg return conn; 13798d12356fSDavid Herrmann } 13808d12356fSDavid Herrmann 13818d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 13828d12356fSDavid Herrmann { 13838d12356fSDavid Herrmann put_device(&conn->dev); 13848d12356fSDavid Herrmann } 13858d12356fSDavid Herrmann 13861da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 13871da177e4SLinus Torvalds { 138871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 138938b3fef1SAndrei Emeltchenko 13901da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 13912f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 13921da177e4SLinus Torvalds } 13931da177e4SLinus Torvalds 139476a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 13951da177e4SLinus Torvalds { 139671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 139738b3fef1SAndrei Emeltchenko 13981da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 139904837f64SMarcel Holtmann unsigned long timeo; 1400716e4ab5SAndrei Emeltchenko 1401716e4ab5SAndrei Emeltchenko switch (conn->type) { 1402716e4ab5SAndrei Emeltchenko case ACL_LINK: 1403716e4ab5SAndrei Emeltchenko case LE_LINK: 1404a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 14056ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 14065f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 140704837f64SMarcel Holtmann if (!conn->out) 1408052b30b0SMarcel Holtmann timeo *= 2; 14095a9d0a3fSWaldemar Rymarkiewicz } else { 1410eb78d7e5SJohan Hedberg timeo = 0; 14115a9d0a3fSWaldemar Rymarkiewicz } 1412716e4ab5SAndrei Emeltchenko break; 1413716e4ab5SAndrei Emeltchenko 1414716e4ab5SAndrei Emeltchenko case AMP_LINK: 1415716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1416716e4ab5SAndrei Emeltchenko break; 1417716e4ab5SAndrei Emeltchenko 1418716e4ab5SAndrei Emeltchenko default: 1419eb78d7e5SJohan Hedberg timeo = 0; 1420716e4ab5SAndrei Emeltchenko break; 14215a9d0a3fSWaldemar Rymarkiewicz } 1422716e4ab5SAndrei Emeltchenko 14232f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 142419c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 14251931782bSVinicius Costa Gomes &conn->disc_work, timeo); 14261da177e4SLinus Torvalds } 14271da177e4SLinus Torvalds } 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1430dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 14311da177e4SLinus Torvalds { 1432376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14332c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1434376261aeSAndrei Emeltchenko 14354c724c71SDavid Herrmann put_device(&d->dev); 1436010666a1SDavid Herrmann } 14371da177e4SLinus Torvalds 1438dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 14391da177e4SLinus Torvalds { 1440376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14412c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1442376261aeSAndrei Emeltchenko 14434c724c71SDavid Herrmann get_device(&d->dev); 14441da177e4SLinus Torvalds return d; 14451da177e4SLinus Torvalds } 14461da177e4SLinus Torvalds 144709fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 144809fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 14491da177e4SLinus Torvalds 1450aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 14513dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1452aa2b86d7SDavid Herrmann 1453155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1454155961e8SDavid Herrmann { 1455155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1456155961e8SDavid Herrmann } 1457155961e8SDavid Herrmann 1458155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1459155961e8SDavid Herrmann { 1460155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1461155961e8SDavid Herrmann } 1462155961e8SDavid Herrmann 14636ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 14646ec56613STedd Ho-Jeong An { 14656ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 14666ec56613STedd Ho-Jeong An } 14676ec56613STedd Ho-Jeong An 14681da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 146939385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 14701da177e4SLinus Torvalds 14716ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 14726ec56613STedd Ho-Jeong An 14736ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 14746ec56613STedd Ho-Jeong An { 14756ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 14766ec56613STedd Ho-Jeong An } 14776ec56613STedd Ho-Jeong An 14781da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 14791da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 148059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 148158ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1482359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1483359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 14841da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 14851da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 148675e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1487f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1488f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 14891aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 14901aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1491145373cbSMiao-chen Chou 1492145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1493145373cbSMiao-chen Chou { 1494145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1495145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1496145373cbSMiao-chen Chou #endif 1497145373cbSMiao-chen Chou } 1498145373cbSMiao-chen Chou 1499f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1500f67743f9SMarcel Holtmann { 1501f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1502f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1503f67743f9SMarcel Holtmann #endif 1504f67743f9SMarcel Holtmann } 1505f67743f9SMarcel Holtmann 15069695ef87SAbhishek Pandit-Subedi static inline void hci_devcd_setup(struct hci_dev *hdev) 15079695ef87SAbhishek Pandit-Subedi { 15089695ef87SAbhishek Pandit-Subedi #ifdef CONFIG_DEV_COREDUMP 15099695ef87SAbhishek Pandit-Subedi INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx); 15109695ef87SAbhishek Pandit-Subedi INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout); 15119695ef87SAbhishek Pandit-Subedi skb_queue_head_init(&hdev->dump.dump_q); 15129695ef87SAbhishek Pandit-Subedi #endif 15139695ef87SAbhishek Pandit-Subedi } 15149695ef87SAbhishek Pandit-Subedi 15151da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 15161da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 15176b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 15181da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 15191da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 15201da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 15211da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 15221da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 15231da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 15241da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 152540be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 15261da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 15271da177e4SLinus Torvalds 1528dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1529b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1530b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1531b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1532b950aa88SAnkit Navik u8 type); 15338baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 15348baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15358baaa403SAbhishek Pandit-Subedi u8 type); 1536dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1537b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1538b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 15398baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15408baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1541dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1542b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1543b950aa88SAnkit Navik u8 type); 15448baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15458baaa403SAbhishek Pandit-Subedi u8 type); 1546dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1547d2ab0ac1SMarcel Holtmann 154815819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 154915819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 155051d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 155151d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 155215819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 155355af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 155415819a70SAndre Guedes 1555501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1556501f8827SJohan Hedberg bdaddr_t *addr, 1557501f8827SJohan Hedberg u8 addr_type); 155877a77a30SAndre Guedes 155935f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 15602aeb9a1aSJohan Hedberg 156135f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 156255ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1563567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 15647652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 15657652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1566ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 156735d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1568fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1569f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1570e804d25dSJohan Hedberg u8 addr_type, u8 role); 1571e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 157235f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 157355ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 157455ed8ca1SJohan Hedberg 1575970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1576970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1577970c4e46SJohan Hedberg u8 addr_type); 1578ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1579ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1580a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1581600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1582600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1583970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1584970c4e46SJohan Hedberg 158555e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 158655e76b38SJohan Hedberg 158735f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 15882763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 15896928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 15900798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15916928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 159238da1703SJohan Hedberg u8 *hash256, u8 *rand256); 15936928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15946928a924SJohan Hedberg u8 bdaddr_type); 15952763eda6SSzymon Janc 1596d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1597d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1598d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1599eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance, 1600eca0ae4aSLuiz Augusto von Dentz u32 flags, u16 adv_data_len, u8 *adv_data, 1601d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 16029bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 1603b338d917SBrian Gix u32 min_interval, u32 max_interval, 1604b338d917SBrian Gix u8 mesh_handle); 1605eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, 1606eca0ae4aSLuiz Augusto von Dentz u32 flags, u8 data_len, u8 *data, 1607eca0ae4aSLuiz Augusto von Dentz u32 min_interval, u32 max_interval); 160831aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 160931aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 161031aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1611d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1612a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 161301ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 161401ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1615d2609b34SFlorian Grandel 1616e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 161766bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1618b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 16197cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 16207cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 16218208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1622a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1623e5e1e7fdSMiao-chen Chou 16241da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 16251da177e4SLinus Torvalds 16260ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1627a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1628b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1629b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 16301da177e4SLinus Torvalds 16316935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 1632294d749bSKiran K #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent) 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1635cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1636cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1637cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1638cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1639cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1640cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1641cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1642cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1643cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1644cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1645cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 16468b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1647cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1648cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1649cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1650cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1651cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1652cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1653cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 165407a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 16555075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 16565075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 16575075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 16585075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 16591da177e4SLinus Torvalds 1660eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 16616397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 16626397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 166353b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 166453b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1665d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1666d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 166753b834d2SMarcel Holtmann 166853b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1669cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1670d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1671cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1672cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1673eead27daSAndre Guedes 1674d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1675d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 167605b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1677d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1678c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1679c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1680c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1681c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1682432df05eSJohan Hedberg 168345bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 168445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 168545bdd86eSJaganath Kanakkassery 1686*288c9022SLuiz Augusto von Dentz #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M)) 1687*288c9022SLuiz Augusto von Dentz 168845bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 168945bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 169045bdd86eSJaganath Kanakkassery 1691*288c9022SLuiz Augusto von Dentz #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED)) 1692*288c9022SLuiz Augusto von Dentz 169345bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 169445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 169545bdd86eSJaganath Kanakkassery 1696ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1697ad383c2cSLuiz Augusto von Dentz 1698e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1699ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1700ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1701e1d57235SMarcel Holtmann 17026126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 17036126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 17046126ffabSLuiz Augusto von Dentz 170505abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 170605abad85SLuiz Augusto von Dentz * has not been set. 170705abad85SLuiz Augusto von Dentz */ 170805abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 170905abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 171005abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1711b2af264aSKiran K 1712a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1713a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1714392fca35SSven Peter ((dev)->commands[37] & 0x40) && \ 1715392fca35SSven Peter !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks)) 1716392fca35SSven Peter 17174d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 17184d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1719a2344b9eSJaganath Kanakkassery 17206b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 17216b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 17226b49bcb4SJaganath Kanakkassery 1723a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1724a56a1138SLuiz Augusto von Dentz * 1725a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1726a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1727a56a1138SLuiz Augusto von Dentz */ 1728a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1729a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1730a56a1138SLuiz Augusto von Dentz 1731eca0ae4aSLuiz Augusto von Dentz /* Periodic advertising support */ 1732eca0ae4aSLuiz Augusto von Dentz #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV)) 1733eca0ae4aSLuiz Augusto von Dentz 1734eca0ae4aSLuiz Augusto von Dentz /* CIS Master/Slave and BIS support */ 1735eca0ae4aSLuiz Augusto von Dentz #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev)) 173626afbd82SLuiz Augusto von Dentz #define cis_capable(dev) \ 173726afbd82SLuiz Augusto von Dentz (cis_central_capable(dev) || cis_peripheral_capable(dev)) 173826afbd82SLuiz Augusto von Dentz #define cis_central_capable(dev) \ 173926afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL) 174026afbd82SLuiz Augusto von Dentz #define cis_peripheral_capable(dev) \ 174126afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL) 1742eca0ae4aSLuiz Augusto von Dentz #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER) 174326afbd82SLuiz Augusto von Dentz 1744ffcb0a44SSven Peter #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \ 1745ffcb0a44SSven Peter (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks))) 1746ffcb0a44SSven Peter 17471da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 174820714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 174920714bfeSFrédéric Dalleau 17505a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 175120714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 17521da177e4SLinus Torvalds { 1753686ebf28SUlisses Furquim switch (type) { 1754686ebf28SUlisses Furquim case ACL_LINK: 1755686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 17561da177e4SLinus Torvalds 1757686ebf28SUlisses Furquim case SCO_LINK: 1758686ebf28SUlisses Furquim case ESCO_LINK: 175920714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 17601da177e4SLinus Torvalds 176126afbd82SLuiz Augusto von Dentz case ISO_LINK: 1762ccf74f23SLuiz Augusto von Dentz return iso_connect_ind(hdev, bdaddr, flags); 176326afbd82SLuiz Augusto von Dentz 1764686ebf28SUlisses Furquim default: 1765686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1766686ebf28SUlisses Furquim return -EINVAL; 1767686ebf28SUlisses Furquim } 17681da177e4SLinus Torvalds } 17691da177e4SLinus Torvalds 17702950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 17712950f21aSMarcel Holtmann { 1772686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1773686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 17742950f21aSMarcel Holtmann 1775686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 17762950f21aSMarcel Holtmann } 17772950f21aSMarcel Holtmann 17781da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 17791da177e4SLinus Torvalds struct hci_cb { 17801da177e4SLinus Torvalds struct list_head list; 17811da177e4SLinus Torvalds 17821da177e4SLinus Torvalds char *name; 17831da177e4SLinus Torvalds 1784539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 17853a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 17865a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 17875a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 17881da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 17891da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 17901da177e4SLinus Torvalds }; 17911da177e4SLinus Torvalds 1792539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1793539c496dSJohan Hedberg { 1794539c496dSJohan Hedberg struct hci_cb *cb; 1795539c496dSJohan Hedberg 1796539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1797539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1798539c496dSJohan Hedberg if (cb->connect_cfm) 1799539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1800539c496dSJohan Hedberg } 1801539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1802539c496dSJohan Hedberg 1803539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1804539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1805539c496dSJohan Hedberg } 1806539c496dSJohan Hedberg 18073a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 18083a6d576bSJohan Hedberg { 18093a6d576bSJohan Hedberg struct hci_cb *cb; 18103a6d576bSJohan Hedberg 18113a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 18123a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 18133a6d576bSJohan Hedberg if (cb->disconn_cfm) 18143a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 18153a6d576bSJohan Hedberg } 18163a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18173a6d576bSJohan Hedberg 18183a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 18193a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 18203a6d576bSJohan Hedberg } 18213a6d576bSJohan Hedberg 18221da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 18231da177e4SLinus Torvalds { 1824711584eaSDenis Kirjanov struct hci_cb *cb; 18258c1b2355SMarcel Holtmann __u8 encrypt; 18261da177e4SLinus Torvalds 182751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 18288c1b2355SMarcel Holtmann return; 18298c1b2355SMarcel Holtmann 18304dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 18318c1b2355SMarcel Holtmann 1832fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1833711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18348c1b2355SMarcel Holtmann if (cb->security_cfm) 18358c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18361da177e4SLinus Torvalds } 1837fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1838354fe804SJohan Hedberg 1839354fe804SJohan Hedberg if (conn->security_cfm_cb) 1840354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18411da177e4SLinus Torvalds } 18421da177e4SLinus Torvalds 18433ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 18441da177e4SLinus Torvalds { 1845711584eaSDenis Kirjanov struct hci_cb *cb; 18463ca44c16SLuiz Augusto von Dentz __u8 encrypt; 18473ca44c16SLuiz Augusto von Dentz 18483ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1849339ddaa6SPatrick Steinhardt if (!status) 18503ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 18513ca44c16SLuiz Augusto von Dentz 18523ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 18533ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 18543ca44c16SLuiz Augusto von Dentz return; 18553ca44c16SLuiz Augusto von Dentz } 18563ca44c16SLuiz Augusto von Dentz 18573ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 18583ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 18593ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 18603ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 18613ca44c16SLuiz Augusto von Dentz else 18623ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 18631da177e4SLinus Torvalds 18648746f135SLuiz Augusto von Dentz if (!status) { 1865435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1866435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1867435fef20SMarcel Holtmann 186888167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 186988167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 18708746f135SLuiz Augusto von Dentz } 187188167aedSVinicius Costa Gomes 1872fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1873711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18748c1b2355SMarcel Holtmann if (cb->security_cfm) 18758c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18761da177e4SLinus Torvalds } 1877fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1878354fe804SJohan Hedberg 1879354fe804SJohan Hedberg if (conn->security_cfm_cb) 1880354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18811da177e4SLinus Torvalds } 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 18841da177e4SLinus Torvalds { 1885711584eaSDenis Kirjanov struct hci_cb *cb; 18861da177e4SLinus Torvalds 1887fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1888711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18891da177e4SLinus Torvalds if (cb->key_change_cfm) 18901da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 18911da177e4SLinus Torvalds } 1892fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18931da177e4SLinus Torvalds } 18941da177e4SLinus Torvalds 18955a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 18965a9d0a3fSWaldemar Rymarkiewicz __u8 role) 18971da177e4SLinus Torvalds { 1898711584eaSDenis Kirjanov struct hci_cb *cb; 18991da177e4SLinus Torvalds 1900fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1901711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 19021da177e4SLinus Torvalds if (cb->role_switch_cfm) 19031da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 19041da177e4SLinus Torvalds } 1905fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 19061da177e4SLinus Torvalds } 19071da177e4SLinus Torvalds 1908301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1909301cb2d8SJohan Hedberg { 1910dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1911301cb2d8SJohan Hedberg return false; 1912301cb2d8SJohan Hedberg 1913301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1914301cb2d8SJohan Hedberg return true; 1915301cb2d8SJohan Hedberg 1916301cb2d8SJohan Hedberg return false; 1917301cb2d8SJohan Hedberg } 1918301cb2d8SJohan Hedberg 1919c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1920c46245b3SJohan Hedberg { 1921c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1922c46245b3SJohan Hedberg return true; 1923c46245b3SJohan Hedberg 1924c46245b3SJohan Hedberg /* Check for Random Static address type */ 1925c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1926c46245b3SJohan Hedberg return true; 1927c46245b3SJohan Hedberg 1928c46245b3SJohan Hedberg return false; 1929c46245b3SJohan Hedberg } 1930c46245b3SJohan Hedberg 19312426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 19322426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 19332426f3a5SJohan Hedberg { 19342426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 19352426f3a5SJohan Hedberg return NULL; 19362426f3a5SJohan Hedberg 19372426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 19382426f3a5SJohan Hedberg } 19392426f3a5SJohan Hedberg 1940d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1941d4905f24SAndre Guedes u16 to_multiplier) 1942d4905f24SAndre Guedes { 1943d4905f24SAndre Guedes u16 max_latency; 1944d4905f24SAndre Guedes 1945d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1946d4905f24SAndre Guedes return -EINVAL; 1947d4905f24SAndre Guedes 1948d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1949d4905f24SAndre Guedes return -EINVAL; 1950d4905f24SAndre Guedes 1951d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1952d4905f24SAndre Guedes return -EINVAL; 1953d4905f24SAndre Guedes 19548757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1955d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1956d4905f24SAndre Guedes return -EINVAL; 1957d4905f24SAndre Guedes 1958d4905f24SAndre Guedes return 0; 1959d4905f24SAndre Guedes } 1960d4905f24SAndre Guedes 19611da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 19621da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 19631da177e4SLinus Torvalds 1964d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1965d6ee6ad7SLoic Poulain const void *param); 196675e84b7cSJohan Hedberg 196707dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 196807dc93ddSJohan Hedberg const void *param); 196973d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 19700d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 197126afbd82SLuiz Augusto von Dentz void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); 19721da177e4SLinus Torvalds 1973a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1974dfe6d5c3SLuiz Augusto von Dentz void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); 19751da177e4SLinus Torvalds 1976eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1977eab2404bSLuiz Augusto von Dentz 19781da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1979470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 19807129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1981c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1982cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 198338ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 198438ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 198538ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 19861da177e4SLinus Torvalds 1987040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1988040030efSMarcel Holtmann 1989a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1990a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1991a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1992a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1993d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1994b9a245fbSJohan Hedberg 1995801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1996801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1997801c1e8dSJohan Hedberg u16 data_len); 1998801c1e8dSJohan Hedberg size_t data_len; 1999b9a245fbSJohan Hedberg unsigned long flags; 2000801c1e8dSJohan Hedberg }; 2001801c1e8dSJohan Hedberg 2002801c1e8dSJohan Hedberg struct hci_mgmt_chan { 2003801c1e8dSJohan Hedberg struct list_head list; 2004801c1e8dSJohan Hedberg unsigned short channel; 2005801c1e8dSJohan Hedberg size_t handler_count; 2006801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 200788b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 2008801c1e8dSJohan Hedberg }; 2009801c1e8dSJohan Hedberg 2010801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 2011801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 2012801c1e8dSJohan Hedberg 20130381101fSJohan Hedberg /* Management interface */ 2014591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 2015591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 2016591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2017591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 2018591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 2019591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 2020f39799f5SAndre Guedes 20210d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 20220d8cc935SAndre Guedes * Discovery Procedure specification. 20230d8cc935SAndre Guedes */ 20240d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 20250d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 20263d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 2027ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 20280d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 20290d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 20304b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 2031cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 2032cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 2033eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ 2034eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ 2035b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */ 2036b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */ 2037b338d917SBrian Gix #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10) 20380d8cc935SAndre Guedes 2039dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 2040dbf6811aSArchie Pusaka 204103c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 204291a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 2043bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 2044bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 20453eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 20462ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 20472ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 2048dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 2049745c0ce3SVishal Agarwal bool persistent); 205048ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 20511c6ed31bSYu Liu u8 *name, u8 name_len); 20529b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 205312d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 205412d4a3b2SJohan Hedberg bool mgmt_connected); 20557892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 205688c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2057445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 205848264f06SJohan Hedberg u8 addr_type, u8 status); 2059ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 2060e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2061c35938b2SSzymon Janc u8 status); 20623eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2063744cf19eSJohan Hedberg u8 status); 2064744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 206539adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 2066272d90dfSJohan Hedberg u8 confirm_hint); 2067744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2068272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2069272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2070272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2071272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 2072272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 2073604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2074272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2075272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2076272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 207792a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 207892a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 207992a25256SJohan Hedberg u8 entered); 2080e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 2081464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 20824e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 20837f9a903cSMarcel Holtmann u8 status); 20847667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 2085e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 20862154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 2087901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2088af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 2089b338d917SBrian Gix u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, 2090b338d917SBrian Gix u64 instant); 20919cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2092b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 20932f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 2094346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 2095346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 2096346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 209784c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 209853ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 2099cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 210053ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 210153ac6ab6SMarcel Holtmann bool persistent); 2102ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 2103f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 2104f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 2105f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 2106f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 2107f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 2108f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 2109f2252570SJohan Hedberg u8 instance); 2110f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 2111f2252570SJohan Hedberg u8 instance); 211266bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 2113b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 21148d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 21158d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 2116346af67bSVinicius Costa Gomes 21171a942de0SBrian Gix int hci_abort_conn(struct hci_conn *conn, u8 reason); 21187d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 21197d6ca693SJohan Hedberg u16 to_multiplier); 2120fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 21218b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 21222519a1fcSAndre Guedes 2123a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 2124a1f4c318SJohan Hedberg u8 *bdaddr_type); 2125ebd3a747SJohan Hedberg 21265d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 21275d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 21285d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 21295d4d62f6SFrédéric Dalleau 21308961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 21318961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 21328961987fSKiran K 21338961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 21348961987fSKiran K 21351da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 2136