11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 28e5e1e7fdSMiao-chen Chou #include <linux/idr.h> 296d5d2ee6SHeiner Kallweit #include <linux/leds.h> 30b2d09103SIngo Molnar #include <linux/rculist.h> 31b2d09103SIngo Molnar 321da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 336a98e383SMarcel Holtmann #include <net/bluetooth/hci_sync.h> 34f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 351da177e4SLinus Torvalds 365e59b791SLuiz Augusto von Dentz /* HCI priority */ 375e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 385e59b791SLuiz Augusto von Dentz 39103a2f32SItay Iellin /* HCI maximum id value */ 40103a2f32SItay Iellin #define HCI_MAX_ID 10000 41103a2f32SItay Iellin 421da177e4SLinus Torvalds /* HCI Core structures */ 431da177e4SLinus Torvalds struct inquiry_data { 441da177e4SLinus Torvalds bdaddr_t bdaddr; 451da177e4SLinus Torvalds __u8 pscan_rep_mode; 461da177e4SLinus Torvalds __u8 pscan_period_mode; 471da177e4SLinus Torvalds __u8 pscan_mode; 481da177e4SLinus Torvalds __u8 dev_class[3]; 491ebb9252SMarcel Holtmann __le16 clock_offset; 501da177e4SLinus Torvalds __s8 rssi; 5141a96212SMarcel Holtmann __u8 ssp_mode; 521da177e4SLinus Torvalds }; 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds struct inquiry_entry { 55561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 56561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 57561aafbcSJohan Hedberg enum { 58561aafbcSJohan Hedberg NAME_NOT_KNOWN, 59561aafbcSJohan Hedberg NAME_NEEDED, 60561aafbcSJohan Hedberg NAME_PENDING, 61561aafbcSJohan Hedberg NAME_KNOWN, 62561aafbcSJohan Hedberg } name_state; 631da177e4SLinus Torvalds __u32 timestamp; 641da177e4SLinus Torvalds struct inquiry_data data; 651da177e4SLinus Torvalds }; 661da177e4SLinus Torvalds 6730883512SJohan Hedberg struct discovery_state { 684aab14e5SAndre Guedes int type; 69ff9ef578SJohan Hedberg enum { 70ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 71ff9ef578SJohan Hedberg DISCOVERY_STARTING, 72343f935bSAndre Guedes DISCOVERY_FINDING, 7330dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 74ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 75ff9ef578SJohan Hedberg } state; 76561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 77561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 78561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 791da177e4SLinus Torvalds __u32 timestamp; 80b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 81b9a6328fSJohan Hedberg u8 last_adv_addr_type; 82ff5cd29fSJohan Hedberg s8 last_adv_rssi; 83c70a7e4cSMarcel Holtmann u32 last_adv_flags; 84b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 85b9a6328fSJohan Hedberg u8 last_adv_data_len; 86da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8782f8b651SJakub Pawlowski bool result_filtering; 8878b781caSJohan Hedberg bool limited; 8937eab042SJakub Pawlowski s8 rssi; 9037eab042SJakub Pawlowski u16 uuid_count; 9137eab042SJakub Pawlowski u8 (*uuids)[16]; 922d28cfe7SJakub Pawlowski unsigned long scan_start; 932d28cfe7SJakub Pawlowski unsigned long scan_duration; 94dbf6811aSArchie Pusaka unsigned long name_resolve_timeout; 951da177e4SLinus Torvalds }; 961da177e4SLinus Torvalds 979952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 989952d90eSAbhishek Pandit-Subedi 999952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 1004867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 1014867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 1024867bd00SAbhishek Pandit-Subedi 1034867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 1044867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 1054867bd00SAbhishek Pandit-Subedi 1064f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1074f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1084f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1094f40afc6SAbhishek Pandit-Subedi 1109952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1119952d90eSAbhishek Pandit-Subedi 1129952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 113bf6a4e30SHoward Chung 114bf6a4e30SHoward Chung SUSPEND_SET_ADV_FILTER, 1159952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1169952d90eSAbhishek Pandit-Subedi }; 1179952d90eSAbhishek Pandit-Subedi 1189952d90eSAbhishek Pandit-Subedi enum suspended_state { 1199952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1204f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1210d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1229952d90eSAbhishek Pandit-Subedi }; 1239952d90eSAbhishek Pandit-Subedi 1241da177e4SLinus Torvalds struct hci_conn_hash { 1251da177e4SLinus Torvalds struct list_head list; 1261da177e4SLinus Torvalds unsigned int acl_num; 127bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1281da177e4SLinus Torvalds unsigned int sco_num; 129fcd89c09SVille Tervo unsigned int le_num; 13039bc74caSArchie Pusaka unsigned int le_num_peripheral; 1311da177e4SLinus Torvalds }; 1321da177e4SLinus Torvalds 133f0358568SJohan Hedberg struct bdaddr_list { 134f0358568SJohan Hedberg struct list_head list; 135f0358568SJohan Hedberg bdaddr_t bdaddr; 136b9ee0a78SMarcel Holtmann u8 bdaddr_type; 137f0358568SJohan Hedberg }; 1382aeb9a1aSJohan Hedberg 1398961987fSKiran K struct codec_list { 1408961987fSKiran K struct list_head list; 1418961987fSKiran K u8 id; 1428961987fSKiran K __u16 cid; 1438961987fSKiran K __u16 vid; 1448961987fSKiran K u8 transport; 1458961987fSKiran K u8 num_caps; 1468961987fSKiran K u32 len; 1478961987fSKiran K struct hci_codec_caps caps[]; 1488961987fSKiran K }; 1498961987fSKiran K 150b950aa88SAnkit Navik struct bdaddr_list_with_irk { 151b950aa88SAnkit Navik struct list_head list; 152b950aa88SAnkit Navik bdaddr_t bdaddr; 153b950aa88SAnkit Navik u8 bdaddr_type; 154b950aa88SAnkit Navik u8 peer_irk[16]; 155b950aa88SAnkit Navik u8 local_irk[16]; 156b950aa88SAnkit Navik }; 157b950aa88SAnkit Navik 158fe92ee64SLuiz Augusto von Dentz enum hci_conn_flags { 159fe92ee64SLuiz Augusto von Dentz HCI_CONN_FLAG_REMOTE_WAKEUP, 1606126ffabSLuiz Augusto von Dentz HCI_CONN_FLAG_DEVICE_PRIVACY, 161fe92ee64SLuiz Augusto von Dentz 162fe92ee64SLuiz Augusto von Dentz __HCI_CONN_NUM_FLAGS, 163fe92ee64SLuiz Augusto von Dentz }; 164fe92ee64SLuiz Augusto von Dentz 165fe92ee64SLuiz Augusto von Dentz /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 166fe92ee64SLuiz Augusto von Dentz static_assert(__HCI_CONN_NUM_FLAGS < 32); 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; 172fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(flags, __HCI_CONN_NUM_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; 242203fea01SArman Uguray __u8 instance; 243203fea01SArman Uguray __u32 flags; 244912098a6SArman Uguray __u16 timeout; 2455d900e46SFlorian Grandel __u16 remaining_time; 246d2609b34SFlorian Grandel __u16 duration; 247203fea01SArman Uguray __u16 adv_data_len; 248c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 249203fea01SArman Uguray __u16 scan_rsp_len; 250c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 251de181e88SJaganath Kanakkassery __s8 tx_power; 2529bf9f4b6SDaniel Winkler __u32 min_interval; 2539bf9f4b6SDaniel Winkler __u32 max_interval; 254a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 255a73c046aSJaganath Kanakkassery bool rpa_expired; 256a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 257203fea01SArman Uguray }; 258203fea01SArman Uguray 259db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 260d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 261d2609b34SFlorian Grandel 26212410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26312410572SDaniel Winkler 2643368aa35SManish Mandlik struct monitored_device { 2653368aa35SManish Mandlik struct list_head list; 2663368aa35SManish Mandlik 2673368aa35SManish Mandlik bdaddr_t bdaddr; 2683368aa35SManish Mandlik __u8 addr_type; 2693368aa35SManish Mandlik __u16 handle; 2703368aa35SManish Mandlik bool notified; 2713368aa35SManish Mandlik }; 2723368aa35SManish Mandlik 273e5e1e7fdSMiao-chen Chou struct adv_pattern { 274e5e1e7fdSMiao-chen Chou struct list_head list; 275e5e1e7fdSMiao-chen Chou __u8 ad_type; 276e5e1e7fdSMiao-chen Chou __u8 offset; 277e5e1e7fdSMiao-chen Chou __u8 length; 278e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 279e5e1e7fdSMiao-chen Chou }; 280e5e1e7fdSMiao-chen Chou 281b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 282b4a221eaSArchie Pusaka __s8 low_threshold; 283b4a221eaSArchie Pusaka __s8 high_threshold; 284b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 285b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 286b4a221eaSArchie Pusaka __u8 sampling_period; 287b4a221eaSArchie Pusaka }; 288b4a221eaSArchie Pusaka 289e5e1e7fdSMiao-chen Chou struct adv_monitor { 290e5e1e7fdSMiao-chen Chou struct list_head patterns; 291b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 292e5e1e7fdSMiao-chen Chou __u16 handle; 293a2a4dedfSArchie Pusaka 294a2a4dedfSArchie Pusaka enum { 295a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 296a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 297a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 298a2a4dedfSArchie Pusaka } state; 299e5e1e7fdSMiao-chen Chou }; 300e5e1e7fdSMiao-chen Chou 301e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 302e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 303e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 304a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 305a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 306e5e1e7fdSMiao-chen Chou 307490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 308490c5babSJohan Hedberg 309d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_UNSET 0xffff 310d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 311d5ebaa7cSSoenke Huster 312d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 313d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 314d5bb334aSMarcel Holtmann 315d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 316d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 317d6bfd59cSJohan Hedberg 31831ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 31931ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 32031ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 321302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 322302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 32331ad1691SAndrzej Kaczmarek 324903e4541SAndrei Emeltchenko struct amp_assoc { 325903e4541SAndrei Emeltchenko __u16 len; 326903e4541SAndrei Emeltchenko __u16 offset; 32793c284eeSAndrei Emeltchenko __u16 rem_len; 32893c284eeSAndrei Emeltchenko __u16 len_so_far; 329903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 330903e4541SAndrei Emeltchenko }; 331903e4541SAndrei Emeltchenko 332d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 333cad718edSJohan Hedberg 3341da177e4SLinus Torvalds struct hci_dev { 3351da177e4SLinus Torvalds struct list_head list; 33609fd0de5SGustavo F. Padovan struct mutex lock; 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds char name[8]; 3391da177e4SLinus Torvalds unsigned long flags; 3401da177e4SLinus Torvalds __u16 id; 341c13854ceSMarcel Holtmann __u8 bus; 342943da25dSMarcel Holtmann __u8 dev_type; 3431da177e4SLinus Torvalds bdaddr_t bdaddr; 344e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 34524c457e2SMarcel Holtmann bdaddr_t public_addr; 3467a4cd51dSMarcel Holtmann bdaddr_t random_addr; 347d13eafceSMarcel Holtmann bdaddr_t static_addr; 34856ed2cb8SJohan Hedberg __u8 adv_addr_type; 3491f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 350490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 35180a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 352c4960ecfSMichał Narajowski __u16 appearance; 353a9de9248SMarcel Holtmann __u8 dev_class[3]; 3541aff6f09SJohan Hedberg __u8 major_class; 3551aff6f09SJohan Hedberg __u8 minor_class; 356d2c5d77fSJohan Hedberg __u8 max_page; 357cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 35860e77321SJohan Hedberg __u8 le_features[8]; 3593d4f9c00SArchie Pusaka __u8 le_accept_list_size; 360cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3616b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3629b008c04SJohan Hedberg __u8 le_states[8]; 363a9de9248SMarcel Holtmann __u8 commands[64]; 3641143e5a6SMarcel Holtmann __u8 hci_ver; 3651143e5a6SMarcel Holtmann __u16 hci_rev; 366d5859e22SJohan Hedberg __u8 lmp_ver; 3671143e5a6SMarcel Holtmann __u16 manufacturer; 3687d69230cSAndrei Emeltchenko __u16 lmp_subver; 3691da177e4SLinus Torvalds __u16 voice_setting; 370b4cb9fb2SMarcel Holtmann __u8 num_iac; 371e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 372e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 37317fa4b9dSJohan Hedberg __u8 io_capability; 37491c4e9b1SMarcel Holtmann __s8 inq_tx_power; 37500bce3fbSAlain Michaud __u8 err_data_reporting; 376f332ec66SJohan Hedberg __u16 page_scan_interval; 377f332ec66SJohan Hedberg __u16 page_scan_window; 378f332ec66SJohan Hedberg __u8 page_scan_type; 3793f959d46SMarcel Holtmann __u8 le_adv_channel_map; 380628531c9SGeorg Lukas __u16 le_adv_min_interval; 381628531c9SGeorg Lukas __u16 le_adv_max_interval; 382533553f8SMarcel Holtmann __u8 le_scan_type; 383bef64738SMarcel Holtmann __u16 le_scan_interval; 384bef64738SMarcel Holtmann __u16 le_scan_window; 38510873f99SAlain Michaud __u16 le_scan_int_suspend; 38610873f99SAlain Michaud __u16 le_scan_window_suspend; 38710873f99SAlain Michaud __u16 le_scan_int_discovery; 38810873f99SAlain Michaud __u16 le_scan_window_discovery; 38910873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 39010873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 39110873f99SAlain Michaud __u16 le_scan_int_connect; 39210873f99SAlain Michaud __u16 le_scan_window_connect; 3934e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3944e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 39504fb7d90SMarcel Holtmann __u16 le_conn_latency; 39604fb7d90SMarcel Holtmann __u16 le_supv_timeout; 397a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 398a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 399a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 400a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 401a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 402a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 40330d65e08SMatias Karhumaa __u8 le_max_key_size; 40430d65e08SMatias Karhumaa __u8 le_min_key_size; 405b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 40631ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 40731ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 408302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 40958a96fc3SMarcel Holtmann __u8 min_enc_key_size; 410a4790360SMarcel Holtmann __u8 max_enc_key_size; 411a4790360SMarcel Holtmann __u8 pairing_opts; 41206f5b778SMarcel Holtmann __u8 ssp_debug_mode; 413c7741d16SMarcel Holtmann __u8 hw_error_code; 41433f35721SJohan Hedberg __u32 clock; 415c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 416c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 41780af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 418f332ec66SJohan Hedberg 4192b9be137SMarcel Holtmann __u16 devid_source; 4202b9be137SMarcel Holtmann __u16 devid_vendor; 4212b9be137SMarcel Holtmann __u16 devid_product; 4222b9be137SMarcel Holtmann __u16 devid_version; 4231da177e4SLinus Torvalds 42410873f99SAlain Michaud __u8 def_page_scan_type; 42510873f99SAlain Michaud __u16 def_page_scan_int; 42610873f99SAlain Michaud __u16 def_page_scan_window; 42710873f99SAlain Michaud __u8 def_inq_scan_type; 42810873f99SAlain Michaud __u16 def_inq_scan_int; 42910873f99SAlain Michaud __u16 def_inq_scan_window; 43010873f99SAlain Michaud __u16 def_br_lsto; 43110873f99SAlain Michaud __u16 def_page_timeout; 43210873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 43349b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4347c395ea5SDaniel Winkler __s8 min_le_tx_power; 4357c395ea5SDaniel Winkler __s8 max_le_tx_power; 43610873f99SAlain Michaud 4371da177e4SLinus Torvalds __u16 pkt_type; 4385b7f9909SMarcel Holtmann __u16 esco_type; 4391da177e4SLinus Torvalds __u16 link_policy; 4401da177e4SLinus Torvalds __u16 link_mode; 4411da177e4SLinus Torvalds 44204837f64SMarcel Holtmann __u32 idle_timeout; 44304837f64SMarcel Holtmann __u16 sniff_min_interval; 44404837f64SMarcel Holtmann __u16 sniff_max_interval; 44504837f64SMarcel Holtmann 446928abaa7SAndrei Emeltchenko __u8 amp_status; 447928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 448928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 449928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 450928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 451928abaa7SAndrei Emeltchenko __u8 amp_type; 452928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 453928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 454928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 455928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 456928abaa7SAndrei Emeltchenko 457903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 458903e4541SAndrei Emeltchenko 4591e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4601e89cffbSAndrei Emeltchenko 4619f61656aSJohan Hedberg unsigned int auto_accept_delay; 4629f61656aSJohan Hedberg 4631da177e4SLinus Torvalds unsigned long quirks; 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds atomic_t cmd_cnt; 4661da177e4SLinus Torvalds unsigned int acl_cnt; 4671da177e4SLinus Torvalds unsigned int sco_cnt; 4686ed58ec5SVille Tervo unsigned int le_cnt; 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds unsigned int acl_mtu; 4711da177e4SLinus Torvalds unsigned int sco_mtu; 4726ed58ec5SVille Tervo unsigned int le_mtu; 4731da177e4SLinus Torvalds unsigned int acl_pkts; 4741da177e4SLinus Torvalds unsigned int sco_pkts; 4756ed58ec5SVille Tervo unsigned int le_pkts; 4761da177e4SLinus Torvalds 477350ee4cfSAndrei Emeltchenko __u16 block_len; 478350ee4cfSAndrei Emeltchenko __u16 block_mtu; 479350ee4cfSAndrei Emeltchenko __u16 num_blocks; 480350ee4cfSAndrei Emeltchenko __u16 block_cnt; 481350ee4cfSAndrei Emeltchenko 4821da177e4SLinus Torvalds unsigned long acl_last_tx; 4831da177e4SLinus Torvalds unsigned long sco_last_tx; 4846ed58ec5SVille Tervo unsigned long le_last_tx; 4851da177e4SLinus Torvalds 4866decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4876decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4886decb5b4SJaganath Kanakkassery 489f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4906ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 491f48fd9c8SMarcel Holtmann 492ab81cbf9SJohan Hedberg struct work_struct power_on; 4933243553fSJohan Hedberg struct delayed_work power_off; 494c7741d16SMarcel Holtmann struct work_struct error_reset; 4956a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 4966a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 4976a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 498744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 499ab81cbf9SJohan Hedberg 50016ab91abSJohan Hedberg __u16 discov_timeout; 50116ab91abSJohan Hedberg struct delayed_work discov_off; 50216ab91abSJohan Hedberg 5037d78525dSJohan Hedberg struct delayed_work service_cache; 5047d78525dSJohan Hedberg 50565cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 506de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 507b78752ccSMarcel Holtmann 508b78752ccSMarcel Holtmann struct work_struct rx_work; 509c347b765SGustavo F. Padovan struct work_struct cmd_work; 5103eff45eaSGustavo F. Padovan struct work_struct tx_work; 5111da177e4SLinus Torvalds 512e68f072bSJohan Hedberg struct work_struct discov_update; 51301b1cb87SJohan Hedberg struct work_struct scan_update; 5147c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5157c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5162e93e53bSJohan Hedberg 5171da177e4SLinus Torvalds struct sk_buff_head rx_q; 5181da177e4SLinus Torvalds struct sk_buff_head raw_q; 5191da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5201da177e4SLinus Torvalds 5211da177e4SLinus Torvalds struct sk_buff *sent_cmd; 5221da177e4SLinus Torvalds 523a6a67efdSThomas Gleixner struct mutex req_lock; 5241da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5251da177e4SLinus Torvalds __u32 req_status; 5261da177e4SLinus Torvalds __u32 req_result; 527f60cb305SJohan Hedberg struct sk_buff *req_skb; 528a5040efaSJohan Hedberg 52970db83c4SJohan Hedberg void *smp_data; 530ef8efe4bSJohan Hedberg void *smp_bredr_data; 5312e58ef3eSJohan Hedberg 53230883512SJohan Hedberg struct discovery_state discovery; 5339952d90eSAbhishek Pandit-Subedi 5344867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5354867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5364867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5374867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5384867bd00SAbhishek Pandit-Subedi 5399952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5409952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5419952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5424f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5434f40afc6SAbhishek Pandit-Subedi bool suspended; 5442f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5452f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5462f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5479952d90eSAbhishek Pandit-Subedi 5481da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5495c136e90SAndre Guedes 5505c136e90SAndre Guedes struct list_head mgmt_pending; 5513d4f9c00SArchie Pusaka struct list_head reject_list; 5523d4f9c00SArchie Pusaka struct list_head accept_list; 5532aeb9a1aSJohan Hedberg struct list_head uuids; 55455ed8ca1SJohan Hedberg struct list_head link_keys; 555b899efafSVinicius Costa Gomes struct list_head long_term_keys; 556970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5572763eda6SSzymon Janc struct list_head remote_oob_data; 5583d4f9c00SArchie Pusaka struct list_head le_accept_list; 559cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 56015819a70SAndre Guedes struct list_head le_conn_params; 56177a77a30SAndre Guedes struct list_head pend_le_conns; 56266f8455aSJohan Hedberg struct list_head pend_le_reports; 563600a8749SAlain Michaud struct list_head blocked_keys; 5648961987fSKiran K struct list_head local_codecs; 5652763eda6SSzymon Janc 5661da177e4SLinus Torvalds struct hci_dev_stats stat; 5671da177e4SLinus Torvalds 5681da177e4SLinus Torvalds atomic_t promisc; 5691da177e4SLinus Torvalds 5705177a838SMarcel Holtmann const char *hw_info; 5715177a838SMarcel Holtmann const char *fw_info; 572ca325f69SMarcel Holtmann struct dentry *debugfs; 573ca325f69SMarcel Holtmann 574a91f2e39SMarcel Holtmann struct device dev; 5751da177e4SLinus Torvalds 576611b30f7SMarcel Holtmann struct rfkill *rfkill; 577611b30f7SMarcel Holtmann 578eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 579fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(conn_flags, __HCI_CONN_NUM_FLAGS); 580d23264a8SAndre Guedes 5818fa19098SJohan Hedberg __s8 adv_tx_power; 582c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5833f0f524bSJohan Hedberg __u8 adv_data_len; 584c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 585f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5868fa19098SJohan Hedberg 587d2609b34SFlorian Grandel struct list_head adv_instances; 588d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 589d2609b34SFlorian Grandel __u8 cur_adv_instance; 5905d900e46SFlorian Grandel __u16 adv_instance_timeout; 5915d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 592203fea01SArman Uguray 593e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 594e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 595e5e1e7fdSMiao-chen Chou 596863efaf2SJohan Hedberg __u8 irk[16]; 597d6bfd59cSJohan Hedberg __u32 rpa_timeout; 598d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5992b5224dcSMarcel Holtmann bdaddr_t rpa; 600863efaf2SJohan Hedberg 601c4f1f408SHoward Chung enum { 602c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 603c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 604c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 605c4f1f408SHoward Chung } interleave_scan_state; 606c4f1f408SHoward Chung 607c4f1f408SHoward Chung struct delayed_work interleave_scan; 608c4f1f408SHoward Chung 6093368aa35SManish Mandlik struct list_head monitored_devices; 6108d7f1677SManish Mandlik bool advmon_pend_notify; 6113368aa35SManish Mandlik 61253f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6136d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 61453f863a6SMarcel Holtmann #endif 6156d5d2ee6SHeiner Kallweit 616145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 617145373cbSMiao-chen Chou __u16 msft_opcode; 618145373cbSMiao-chen Chou void *msft_data; 619a61d6718SMarcel Holtmann bool msft_curve_validity; 620145373cbSMiao-chen Chou #endif 621145373cbSMiao-chen Chou 622f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 623f67743f9SMarcel Holtmann bool aosp_capable; 624749a6c59SJoseph Hwang bool aosp_quality_report; 625f67743f9SMarcel Holtmann #endif 626f67743f9SMarcel Holtmann 6271da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6281da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6291da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 630f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 631a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6327bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6331da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 634c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 63598a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6364b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 63724c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 638e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 6394539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 640ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 641248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6429798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6439798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6449798fbdeSKiran K __u8 **vnd_data); 6451da177e4SLinus Torvalds }; 6461da177e4SLinus Torvalds 64753502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 64853502d69SAndrei Emeltchenko 64976b13996SManish Mandlik enum conn_reasons { 65076b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 65176b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 65276b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 65376b13996SManish Mandlik }; 65476b13996SManish Mandlik 6551da177e4SLinus Torvalds struct hci_conn { 6561da177e4SLinus Torvalds struct list_head list; 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds atomic_t refcnt; 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvalds bdaddr_t dst; 66129b7988aSAndre Guedes __u8 dst_type; 662662e8820SMarcel Holtmann bdaddr_t src; 663e7c4096eSMarcel Holtmann __u8 src_type; 664cb1d68f7SJohan Hedberg bdaddr_t init_addr; 665cb1d68f7SJohan Hedberg __u8 init_addr_type; 666cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 667cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6687087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6691da177e4SLinus Torvalds __u16 handle; 6701da177e4SLinus Torvalds __u16 state; 67104837f64SMarcel Holtmann __u8 mode; 6721da177e4SLinus Torvalds __u8 type; 67340bef302SJohan Hedberg __u8 role; 674a0c808b3SJohan Hedberg bool out; 6754c67bc74SMarcel Holtmann __u8 attempt; 6761da177e4SLinus Torvalds __u8 dev_class[3]; 677cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 678a8746417SMarcel Holtmann __u16 pkt_type; 67904837f64SMarcel Holtmann __u16 link_policy; 68013d39315SWaldemar Rymarkiewicz __u8 key_type; 68140be492fSMarcel Holtmann __u8 auth_type; 6828c1b2355SMarcel Holtmann __u8 sec_level; 683765c2a96SJohan Hedberg __u8 pending_sec_level; 684980e1a53SJohan Hedberg __u8 pin_length; 685726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 68617fa4b9dSJohan Hedberg __u8 io_capability; 68792a25256SJohan Hedberg __u32 passkey_notify; 68892a25256SJohan Hedberg __u8 passkey_entered; 689052b30b0SMarcel Holtmann __u16 disc_timeout; 69009ae260bSJohan Hedberg __u16 conn_timeout; 69110c62ddcSFrédéric Dalleau __u16 setting; 692302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6931e406eefSAndre Guedes __u16 le_conn_min_interval; 6941e406eefSAndre Guedes __u16 le_conn_max_interval; 695e04fde60SMarcel Holtmann __u16 le_conn_interval; 696e04fde60SMarcel Holtmann __u16 le_conn_latency; 697e04fde60SMarcel Holtmann __u16 le_supv_timeout; 698fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 699fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 7001efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7011efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7025ae76a94SAndrzej Kaczmarek __s8 rssi; 7035a134faeSAndrzej Kaczmarek __s8 tx_power; 704d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 70551a8efd7SJohan Hedberg unsigned long flags; 7061da177e4SLinus Torvalds 70776b13996SManish Mandlik enum conn_reasons conn_reason; 70876b13996SManish Mandlik 70933f35721SJohan Hedberg __u32 clock; 71033f35721SJohan Hedberg __u16 clock_accuracy; 71133f35721SJohan Hedberg 712dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 713dd983808SAndrzej Kaczmarek 71403b555e1SJohan Hedberg __u8 remote_cap; 71503b555e1SJohan Hedberg __u8 remote_auth; 7163161ae1cSAndrei Emeltchenko __u8 remote_id; 71703b555e1SJohan Hedberg 7181da177e4SLinus Torvalds unsigned int sent; 7191da177e4SLinus Torvalds 7201da177e4SLinus Torvalds struct sk_buff_head data_q; 7212c33c06aSGustavo F. Padovan struct list_head chan_list; 7221da177e4SLinus Torvalds 72319c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7247bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 725a74a84f6SJohan Hedberg struct delayed_work idle_work; 7269489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7278ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7281da177e4SLinus Torvalds 729b219e3acSMarcel Holtmann struct device dev; 73023b9ceb7SMarcel Holtmann struct dentry *debugfs; 731b219e3acSMarcel Holtmann 7321da177e4SLinus Torvalds struct hci_dev *hdev; 7331da177e4SLinus Torvalds void *l2cap_data; 7341da177e4SLinus Torvalds void *sco_data; 7359740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7361da177e4SLinus Torvalds 7371da177e4SLinus Torvalds struct hci_conn *link; 738b2af264aSKiran K struct bt_codec codec; 739e9a416b5SJohan Hedberg 740e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 741e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 742e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7431da177e4SLinus Torvalds }; 7441da177e4SLinus Torvalds 74573d80debSLuiz Augusto von Dentz struct hci_chan { 74673d80debSLuiz Augusto von Dentz struct list_head list; 74742c4e53eSAndrei Emeltchenko __u16 handle; 74873d80debSLuiz Augusto von Dentz struct hci_conn *conn; 74973d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 75073d80debSLuiz Augusto von Dentz unsigned int sent; 751168df8e5SMat Martineau __u8 state; 7525c4c8c95SArchie Pusaka bool amp; 75373d80debSLuiz Augusto von Dentz }; 75473d80debSLuiz Augusto von Dentz 75515819a70SAndre Guedes struct hci_conn_params { 75615819a70SAndre Guedes struct list_head list; 75793450c75SJohan Hedberg struct list_head action; 75815819a70SAndre Guedes 75915819a70SAndre Guedes bdaddr_t addr; 76015819a70SAndre Guedes u8 addr_type; 76115819a70SAndre Guedes 76215819a70SAndre Guedes u16 conn_min_interval; 76315819a70SAndre Guedes u16 conn_max_interval; 764f044eb05SMarcel Holtmann u16 conn_latency; 765f044eb05SMarcel Holtmann u16 supervision_timeout; 7669fcb18efSAndre Guedes 7679fcb18efSAndre Guedes enum { 7689fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 769a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7704b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7719fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7729fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 773158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7749fcb18efSAndre Guedes } auto_connect; 775f161dd41SJohan Hedberg 776f161dd41SJohan Hedberg struct hci_conn *conn; 777158e9218SJakub Pawlowski bool explicit_connect; 778fe92ee64SLuiz Augusto von Dentz DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS); 779853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 78015819a70SAndre Guedes }; 78115819a70SAndre Guedes 7821da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7831da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7841da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 785fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7861da177e4SLinus Torvalds 787eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 788eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 789eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 790eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 791eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 792eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 793eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 794d7a5a11dSMarcel Holtmann 795eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 796eacb44dfSMarcel Holtmann do { \ 797eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 798eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7992eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 800eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 801ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 802eacb44dfSMarcel Holtmann } while (0) 803516018a9SMarcel Holtmann 8044fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8054fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8064fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8074fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8084fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8094fc9857aSLuiz Augusto von Dentz 810686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 811e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 812e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8139b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 814686ebf28SUlisses Furquim 815ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 816e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8179b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 818ff50e8afSArron Wang #else 819ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 820ff50e8afSArron Wang __u8 *flags) 821ff50e8afSArron Wang { 822ff50e8afSArron Wang return 0; 823ff50e8afSArron Wang } 824ff50e8afSArron Wang 825ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 826ff50e8afSArron Wang { 827ff50e8afSArron Wang } 828ff50e8afSArron Wang #endif 829686ebf28SUlisses Furquim 8301da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 83170f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 83270f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8331da177e4SLinus Torvalds 83430883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8351da177e4SLinus Torvalds { 836ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 83730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 83830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 83930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 840da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 84137eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8421da177e4SLinus Torvalds } 8431da177e4SLinus Torvalds 8440256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8450256325eSMarcel Holtmann { 84682f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 847da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8480256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8490256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8500256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8510256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8522d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8532d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8540256325eSMarcel Holtmann } 8550256325eSMarcel Holtmann 85630dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 85730dc78e1SJohan Hedberg 858ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 859ff9ef578SJohan Hedberg 8601da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8611da177e4SLinus Torvalds { 86230883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8661da177e4SLinus Torvalds { 86730883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8681da177e4SLinus Torvalds return jiffies - c->timestamp; 8691da177e4SLinus Torvalds } 8701da177e4SLinus Torvalds 8711da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8721da177e4SLinus Torvalds { 8731da177e4SLinus Torvalds return jiffies - e->timestamp; 8741da177e4SLinus Torvalds } 8751da177e4SLinus Torvalds 8765a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8775a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 878561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 879561aafbcSJohan Hedberg bdaddr_t *bdaddr); 88030dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 88130dc78e1SJohan Hedberg bdaddr_t *bdaddr, 88230dc78e1SJohan Hedberg int state); 883a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 884a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 885af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 886af58925cSMarcel Holtmann bool name_known); 8871f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8901da177e4SLinus Torvalds enum { 8911da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 89219f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8931da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 89404837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 89504837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 896e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 897b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 89858a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 899eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 900abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 90158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 902af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9034dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9044dae2798SJohan Hedberg HCI_CONN_AUTH, 9054dae2798SJohan Hedberg HCI_CONN_SECURE, 9064dae2798SJohan Hedberg HCI_CONN_FIPS, 907fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 908977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 909f94b665dSJohan Hedberg HCI_CONN_DROP, 91089cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 911fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 912158e9218SJakub Pawlowski HCI_CONN_SCANNING, 913160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 9141da177e4SLinus Torvalds }; 9151da177e4SLinus Torvalds 916aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 917aa64a8b5SJohan Hedberg { 918aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 919d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 920c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 921aa64a8b5SJohan Hedberg } 922aa64a8b5SJohan Hedberg 923eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 924eb9a8f3fSMarcel Holtmann { 925eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 926d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 927eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 928eb9a8f3fSMarcel Holtmann } 929eb9a8f3fSMarcel Holtmann 9301da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9311da177e4SLinus Torvalds { 9321da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 933bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 934fcd89c09SVille Tervo switch (c->type) { 935fcd89c09SVille Tervo case ACL_LINK: 9361da177e4SLinus Torvalds h->acl_num++; 937fcd89c09SVille Tervo break; 938bd1eb66bSAndrei Emeltchenko case AMP_LINK: 939bd1eb66bSAndrei Emeltchenko h->amp_num++; 940bd1eb66bSAndrei Emeltchenko break; 941fcd89c09SVille Tervo case LE_LINK: 942fcd89c09SVille Tervo h->le_num++; 943f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 94439bc74caSArchie Pusaka h->le_num_peripheral++; 945fcd89c09SVille Tervo break; 946fcd89c09SVille Tervo case SCO_LINK: 947fcd89c09SVille Tervo case ESCO_LINK: 9481da177e4SLinus Torvalds h->sco_num++; 949fcd89c09SVille Tervo break; 950fcd89c09SVille Tervo } 9511da177e4SLinus Torvalds } 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9541da177e4SLinus Torvalds { 9551da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 956bf4c6325SGustavo F. Padovan 957bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 958bf4c6325SGustavo F. Padovan synchronize_rcu(); 959bf4c6325SGustavo F. Padovan 960fcd89c09SVille Tervo switch (c->type) { 961fcd89c09SVille Tervo case ACL_LINK: 9621da177e4SLinus Torvalds h->acl_num--; 963fcd89c09SVille Tervo break; 964bd1eb66bSAndrei Emeltchenko case AMP_LINK: 965bd1eb66bSAndrei Emeltchenko h->amp_num--; 966bd1eb66bSAndrei Emeltchenko break; 967fcd89c09SVille Tervo case LE_LINK: 968fcd89c09SVille Tervo h->le_num--; 969f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 97039bc74caSArchie Pusaka h->le_num_peripheral--; 971fcd89c09SVille Tervo break; 972fcd89c09SVille Tervo case SCO_LINK: 973fcd89c09SVille Tervo case ESCO_LINK: 9741da177e4SLinus Torvalds h->sco_num--; 975fcd89c09SVille Tervo break; 976fcd89c09SVille Tervo } 9771da177e4SLinus Torvalds } 9781da177e4SLinus Torvalds 97952087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 98052087a79SLuiz Augusto von Dentz { 98152087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 98252087a79SLuiz Augusto von Dentz switch (type) { 98352087a79SLuiz Augusto von Dentz case ACL_LINK: 98452087a79SLuiz Augusto von Dentz return h->acl_num; 985bd1eb66bSAndrei Emeltchenko case AMP_LINK: 986bd1eb66bSAndrei Emeltchenko return h->amp_num; 98752087a79SLuiz Augusto von Dentz case LE_LINK: 98852087a79SLuiz Augusto von Dentz return h->le_num; 98952087a79SLuiz Augusto von Dentz case SCO_LINK: 99052087a79SLuiz Augusto von Dentz case ESCO_LINK: 99152087a79SLuiz Augusto von Dentz return h->sco_num; 99252087a79SLuiz Augusto von Dentz default: 99352087a79SLuiz Augusto von Dentz return 0; 99452087a79SLuiz Augusto von Dentz } 99552087a79SLuiz Augusto von Dentz } 99652087a79SLuiz Augusto von Dentz 997f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 998f4f07505SJohan Hedberg { 999f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1000f4f07505SJohan Hedberg 1001f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 1002f4f07505SJohan Hedberg } 1003f4f07505SJohan Hedberg 1004845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1005845472e8SMarcel Holtmann { 1006845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1007845472e8SMarcel Holtmann struct hci_conn *c; 1008845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1009845472e8SMarcel Holtmann 1010845472e8SMarcel Holtmann rcu_read_lock(); 1011845472e8SMarcel Holtmann 1012845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1013845472e8SMarcel Holtmann if (c->handle == handle) { 1014845472e8SMarcel Holtmann type = c->type; 1015845472e8SMarcel Holtmann break; 1016845472e8SMarcel Holtmann } 1017845472e8SMarcel Holtmann } 1018845472e8SMarcel Holtmann 1019845472e8SMarcel Holtmann rcu_read_unlock(); 1020845472e8SMarcel Holtmann 1021845472e8SMarcel Holtmann return type; 1022845472e8SMarcel Holtmann } 1023845472e8SMarcel Holtmann 10241da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 10251da177e4SLinus Torvalds __u16 handle) 10261da177e4SLinus Torvalds { 10271da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10281da177e4SLinus Torvalds struct hci_conn *c; 10291da177e4SLinus Torvalds 1030bf4c6325SGustavo F. Padovan rcu_read_lock(); 1031bf4c6325SGustavo F. Padovan 1032bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1033bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1034bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10351da177e4SLinus Torvalds return c; 10361da177e4SLinus Torvalds } 1037bf4c6325SGustavo F. Padovan } 1038bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1039bf4c6325SGustavo F. Padovan 10401da177e4SLinus Torvalds return NULL; 10411da177e4SLinus Torvalds } 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 10441da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 10451da177e4SLinus Torvalds { 10461da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10471da177e4SLinus Torvalds struct hci_conn *c; 10481da177e4SLinus Torvalds 1049bf4c6325SGustavo F. Padovan rcu_read_lock(); 1050bf4c6325SGustavo F. Padovan 1051bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1052bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1053bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10541da177e4SLinus Torvalds return c; 10551da177e4SLinus Torvalds } 1056bf4c6325SGustavo F. Padovan } 1057bf4c6325SGustavo F. Padovan 1058bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1059bf4c6325SGustavo F. Padovan 10601da177e4SLinus Torvalds return NULL; 10611da177e4SLinus Torvalds } 10621da177e4SLinus Torvalds 10631b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10641b51c7b6SJohan Hedberg bdaddr_t *ba, 10651b51c7b6SJohan Hedberg __u8 ba_type) 10661b51c7b6SJohan Hedberg { 10671b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10681b51c7b6SJohan Hedberg struct hci_conn *c; 10691b51c7b6SJohan Hedberg 10701b51c7b6SJohan Hedberg rcu_read_lock(); 10711b51c7b6SJohan Hedberg 10721b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10731b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10741b51c7b6SJohan Hedberg continue; 10751b51c7b6SJohan Hedberg 10761b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10771b51c7b6SJohan Hedberg rcu_read_unlock(); 10781b51c7b6SJohan Hedberg return c; 10791b51c7b6SJohan Hedberg } 10801b51c7b6SJohan Hedberg } 10811b51c7b6SJohan Hedberg 10821b51c7b6SJohan Hedberg rcu_read_unlock(); 10831b51c7b6SJohan Hedberg 10841b51c7b6SJohan Hedberg return NULL; 10851b51c7b6SJohan Hedberg } 10861b51c7b6SJohan Hedberg 10874c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10884c67bc74SMarcel Holtmann __u8 type, __u16 state) 10894c67bc74SMarcel Holtmann { 10904c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10914c67bc74SMarcel Holtmann struct hci_conn *c; 10924c67bc74SMarcel Holtmann 1093bf4c6325SGustavo F. Padovan rcu_read_lock(); 1094bf4c6325SGustavo F. Padovan 1095bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1096bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1097bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10984c67bc74SMarcel Holtmann return c; 10994c67bc74SMarcel Holtmann } 1100bf4c6325SGustavo F. Padovan } 1101bf4c6325SGustavo F. Padovan 1102bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1103bf4c6325SGustavo F. Padovan 11044c67bc74SMarcel Holtmann return NULL; 11054c67bc74SMarcel Holtmann } 11064c67bc74SMarcel Holtmann 1107e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1108e7d9ab73SJakub Pawlowski { 1109e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1110e7d9ab73SJakub Pawlowski struct hci_conn *c; 1111e7d9ab73SJakub Pawlowski 1112e7d9ab73SJakub Pawlowski rcu_read_lock(); 1113e7d9ab73SJakub Pawlowski 1114e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1115e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1116e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1117e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1118e7d9ab73SJakub Pawlowski return c; 1119e7d9ab73SJakub Pawlowski } 1120e7d9ab73SJakub Pawlowski } 1121e7d9ab73SJakub Pawlowski 1122e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1123e7d9ab73SJakub Pawlowski 1124e7d9ab73SJakub Pawlowski return NULL; 1125e7d9ab73SJakub Pawlowski } 1126e7d9ab73SJakub Pawlowski 1127e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 11282dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1129e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 11301da177e4SLinus Torvalds 1131a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1132a5c4e309SJohan Hedberg u8 role); 11331da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 11341da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1135a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 11361da177e4SLinus Torvalds 113773d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 11389472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 11392c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 114042c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 114173d80debSLuiz Augusto von Dentz 1142f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1143f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 114476b13996SManish Mandlik u16 conn_timeout, 114576b13996SManish Mandlik enum conn_reasons conn_reason); 114604a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1147d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 11488e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 114904a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 115076b13996SManish Mandlik u8 sec_level, u8 auth_type, 115176b13996SManish Mandlik enum conn_reasons conn_reason); 115210c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1153b2af264aSKiran K __u16 setting, struct bt_codec *codec); 1154e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1155b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1156e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1157e7cafc45SJohan Hedberg bool initiator); 11588c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11591da177e4SLinus Torvalds 116014b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11611da177e4SLinus Torvalds 11629b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 116306c053fbSAndre Guedes 11648d12356fSDavid Herrmann /* 11658d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11668d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11678d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11688d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11698d12356fSDavid Herrmann * other constant data. 11708d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11718d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11728d12356fSDavid Herrmann * get dropped, though. 11738d12356fSDavid Herrmann * 11748d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11758d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11768d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11778d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11788d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11798d12356fSDavid Herrmann * hci_conn_add()). 11808d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11818d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11828d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11838d12356fSDavid Herrmann */ 11848d12356fSDavid Herrmann 118551bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11868d12356fSDavid Herrmann { 11878d12356fSDavid Herrmann get_device(&conn->dev); 118851bb8457SJohan Hedberg return conn; 11898d12356fSDavid Herrmann } 11908d12356fSDavid Herrmann 11918d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11928d12356fSDavid Herrmann { 11938d12356fSDavid Herrmann put_device(&conn->dev); 11948d12356fSDavid Herrmann } 11958d12356fSDavid Herrmann 11961da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11971da177e4SLinus Torvalds { 119871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 119938b3fef1SAndrei Emeltchenko 12001da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 12012f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 12021da177e4SLinus Torvalds } 12031da177e4SLinus Torvalds 120476a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 12051da177e4SLinus Torvalds { 120671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 120738b3fef1SAndrei Emeltchenko 12081da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 120904837f64SMarcel Holtmann unsigned long timeo; 1210716e4ab5SAndrei Emeltchenko 1211716e4ab5SAndrei Emeltchenko switch (conn->type) { 1212716e4ab5SAndrei Emeltchenko case ACL_LINK: 1213716e4ab5SAndrei Emeltchenko case LE_LINK: 1214a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 12156ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 12165f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 121704837f64SMarcel Holtmann if (!conn->out) 1218052b30b0SMarcel Holtmann timeo *= 2; 12195a9d0a3fSWaldemar Rymarkiewicz } else { 1220eb78d7e5SJohan Hedberg timeo = 0; 12215a9d0a3fSWaldemar Rymarkiewicz } 1222716e4ab5SAndrei Emeltchenko break; 1223716e4ab5SAndrei Emeltchenko 1224716e4ab5SAndrei Emeltchenko case AMP_LINK: 1225716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1226716e4ab5SAndrei Emeltchenko break; 1227716e4ab5SAndrei Emeltchenko 1228716e4ab5SAndrei Emeltchenko default: 1229eb78d7e5SJohan Hedberg timeo = 0; 1230716e4ab5SAndrei Emeltchenko break; 12315a9d0a3fSWaldemar Rymarkiewicz } 1232716e4ab5SAndrei Emeltchenko 12332f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 123419c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 12351931782bSVinicius Costa Gomes &conn->disc_work, timeo); 12361da177e4SLinus Torvalds } 12371da177e4SLinus Torvalds } 12381da177e4SLinus Torvalds 12391da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1240dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 12411da177e4SLinus Torvalds { 1242376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12432c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1244376261aeSAndrei Emeltchenko 12454c724c71SDavid Herrmann put_device(&d->dev); 1246010666a1SDavid Herrmann } 12471da177e4SLinus Torvalds 1248dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12491da177e4SLinus Torvalds { 1250376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12512c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1252376261aeSAndrei Emeltchenko 12534c724c71SDavid Herrmann get_device(&d->dev); 12541da177e4SLinus Torvalds return d; 12551da177e4SLinus Torvalds } 12561da177e4SLinus Torvalds 125709fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 125809fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12591da177e4SLinus Torvalds 1260aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12613dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1262aa2b86d7SDavid Herrmann 1263155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1264155961e8SDavid Herrmann { 1265155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1266155961e8SDavid Herrmann } 1267155961e8SDavid Herrmann 1268155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1269155961e8SDavid Herrmann { 1270155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1271155961e8SDavid Herrmann } 1272155961e8SDavid Herrmann 12736ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 12746ec56613STedd Ho-Jeong An { 12756ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 12766ec56613STedd Ho-Jeong An } 12776ec56613STedd Ho-Jeong An 12781da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 127939385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12801da177e4SLinus Torvalds 12816ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 12826ec56613STedd Ho-Jeong An 12836ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 12846ec56613STedd Ho-Jeong An { 12856ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 12866ec56613STedd Ho-Jeong An } 12876ec56613STedd Ho-Jeong An 12881da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12891da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 129059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 129158ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 12921da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12931da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 129475e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1295f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1296f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12971aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12981aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1299145373cbSMiao-chen Chou 1300145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1301145373cbSMiao-chen Chou { 1302145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1303145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1304145373cbSMiao-chen Chou #endif 1305145373cbSMiao-chen Chou } 1306145373cbSMiao-chen Chou 1307f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1308f67743f9SMarcel Holtmann { 1309f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1310f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1311f67743f9SMarcel Holtmann #endif 1312f67743f9SMarcel Holtmann } 1313f67743f9SMarcel Holtmann 13141da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 13151da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 13166b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 13171da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 13181da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 13191da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 13201da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 13211da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 13221da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 13231da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 132440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 13251da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 13261da177e4SLinus Torvalds 1327dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1328b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1329b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1330b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1331b950aa88SAnkit Navik u8 type); 13328baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 13338baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13348baaa403SAbhishek Pandit-Subedi u8 type); 1335dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1336b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1337b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 13388baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13398baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1340dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1341b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1342b950aa88SAnkit Navik u8 type); 13438baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13448baaa403SAbhishek Pandit-Subedi u8 type); 1345dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1346d2ab0ac1SMarcel Holtmann 134715819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 134815819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 134951d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 135051d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 135115819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 135255af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 135315819a70SAndre Guedes 1354501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1355501f8827SJohan Hedberg bdaddr_t *addr, 1356501f8827SJohan Hedberg u8 addr_type); 135777a77a30SAndre Guedes 135835f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13592aeb9a1aSJohan Hedberg 136035f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 136155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1362567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13637652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13647652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1365ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 136635d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1367fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1368f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1369e804d25dSJohan Hedberg u8 addr_type, u8 role); 1370e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 137135f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 137255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 137355ed8ca1SJohan Hedberg 1374970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1375970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1376970c4e46SJohan Hedberg u8 addr_type); 1377ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1378ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1379a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1380600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1381600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1382970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1383970c4e46SJohan Hedberg 138455e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 138555e76b38SJohan Hedberg 138635f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13872763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13886928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13890798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13906928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 139138da1703SJohan Hedberg u8 *hash256, u8 *rand256); 13926928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13936928a924SJohan Hedberg u8 bdaddr_type); 13942763eda6SSzymon Janc 1395d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1396d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1397d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1398d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1399d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1400d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 14019bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 14029bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 140331aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 140431aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 140531aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1406d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1407a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 140801ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 140901ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1410d2609b34SFlorian Grandel 1411e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 141266bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1413a2a4dedfSArchie Pusaka int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 141466bd095aSArchie Pusaka int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1415a2a4dedfSArchie Pusaka bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1416a2a4dedfSArchie Pusaka int *err); 141766bd095aSArchie Pusaka bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 141866bd095aSArchie Pusaka bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 14198208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1420a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1421e5e1e7fdSMiao-chen Chou 14221da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 14231da177e4SLinus Torvalds 14240ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1425a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1426b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1427b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 14281da177e4SLinus Torvalds 14296935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1432cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1433cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1434cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1435cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1436cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1437cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1438cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1439cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1440cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1441cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1442cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 14438b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1444cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1445cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1446cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1447cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1448cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1449cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1450cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 145107a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 14525075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 14535075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 14545075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 14555075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 14561da177e4SLinus Torvalds 1457eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 14586397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 14596397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 146053b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 146153b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1462d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1463d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 146453b834d2SMarcel Holtmann 146553b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1466cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1467d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1468cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1469cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1470eead27daSAndre Guedes 1471d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1472d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 147305b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1474d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1475c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1476c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1477c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1478c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1479432df05eSJohan Hedberg 148045bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 148145bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 148245bdd86eSJaganath Kanakkassery 148345bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 148445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 148545bdd86eSJaganath Kanakkassery 148645bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 148745bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 148845bdd86eSJaganath Kanakkassery 1489ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1490ad383c2cSLuiz Augusto von Dentz 1491e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1492ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1493ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1494e1d57235SMarcel Holtmann 14956126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 14966126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 14976126ffabSLuiz Augusto von Dentz 1498*05abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 1499*05abad85SLuiz Augusto von Dentz * has not been set. 1500*05abad85SLuiz Augusto von Dentz */ 1501*05abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 1502*05abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 1503*05abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1504b2af264aSKiran K 1505a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1506a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1507a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 15084d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 15094d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1510a2344b9eSJaganath Kanakkassery 15116b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 15126b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 15136b49bcb4SJaganath Kanakkassery 1514a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1515a56a1138SLuiz Augusto von Dentz * 1516a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1517a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1518a56a1138SLuiz Augusto von Dentz */ 1519a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1520a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1521a56a1138SLuiz Augusto von Dentz 15221da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 152320714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 152420714bfeSFrédéric Dalleau 15255a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 152620714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 15271da177e4SLinus Torvalds { 1528686ebf28SUlisses Furquim switch (type) { 1529686ebf28SUlisses Furquim case ACL_LINK: 1530686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 15311da177e4SLinus Torvalds 1532686ebf28SUlisses Furquim case SCO_LINK: 1533686ebf28SUlisses Furquim case ESCO_LINK: 153420714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 15351da177e4SLinus Torvalds 1536686ebf28SUlisses Furquim default: 1537686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1538686ebf28SUlisses Furquim return -EINVAL; 1539686ebf28SUlisses Furquim } 15401da177e4SLinus Torvalds } 15411da177e4SLinus Torvalds 15422950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 15432950f21aSMarcel Holtmann { 1544686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1545686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 15462950f21aSMarcel Holtmann 1547686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 15482950f21aSMarcel Holtmann } 15492950f21aSMarcel Holtmann 15501da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 15511da177e4SLinus Torvalds struct hci_cb { 15521da177e4SLinus Torvalds struct list_head list; 15531da177e4SLinus Torvalds 15541da177e4SLinus Torvalds char *name; 15551da177e4SLinus Torvalds 1556539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 15573a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 15585a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 15595a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 15601da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 15611da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 15621da177e4SLinus Torvalds }; 15631da177e4SLinus Torvalds 1564539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1565539c496dSJohan Hedberg { 1566539c496dSJohan Hedberg struct hci_cb *cb; 1567539c496dSJohan Hedberg 1568539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1569539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1570539c496dSJohan Hedberg if (cb->connect_cfm) 1571539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1572539c496dSJohan Hedberg } 1573539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1574539c496dSJohan Hedberg 1575539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1576539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1577539c496dSJohan Hedberg } 1578539c496dSJohan Hedberg 15793a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 15803a6d576bSJohan Hedberg { 15813a6d576bSJohan Hedberg struct hci_cb *cb; 15823a6d576bSJohan Hedberg 15833a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 15843a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 15853a6d576bSJohan Hedberg if (cb->disconn_cfm) 15863a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15873a6d576bSJohan Hedberg } 15883a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15893a6d576bSJohan Hedberg 15903a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15913a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15923a6d576bSJohan Hedberg } 15933a6d576bSJohan Hedberg 15941da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 15951da177e4SLinus Torvalds { 1596711584eaSDenis Kirjanov struct hci_cb *cb; 15978c1b2355SMarcel Holtmann __u8 encrypt; 15981da177e4SLinus Torvalds 159951a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 16008c1b2355SMarcel Holtmann return; 16018c1b2355SMarcel Holtmann 16024dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 16038c1b2355SMarcel Holtmann 1604fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1605711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16068c1b2355SMarcel Holtmann if (cb->security_cfm) 16078c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16081da177e4SLinus Torvalds } 1609fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1610354fe804SJohan Hedberg 1611354fe804SJohan Hedberg if (conn->security_cfm_cb) 1612354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16131da177e4SLinus Torvalds } 16141da177e4SLinus Torvalds 16153ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 16161da177e4SLinus Torvalds { 1617711584eaSDenis Kirjanov struct hci_cb *cb; 16183ca44c16SLuiz Augusto von Dentz __u8 encrypt; 16193ca44c16SLuiz Augusto von Dentz 16203ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1621339ddaa6SPatrick Steinhardt if (!status) 16223ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 16233ca44c16SLuiz Augusto von Dentz 16243ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 16253ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 16263ca44c16SLuiz Augusto von Dentz return; 16273ca44c16SLuiz Augusto von Dentz } 16283ca44c16SLuiz Augusto von Dentz 16293ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 16303ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 16313ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 16323ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 16333ca44c16SLuiz Augusto von Dentz else 16343ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 16351da177e4SLinus Torvalds 16368746f135SLuiz Augusto von Dentz if (!status) { 1637435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1638435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1639435fef20SMarcel Holtmann 164088167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 164188167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 16428746f135SLuiz Augusto von Dentz } 164388167aedSVinicius Costa Gomes 1644fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1645711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16468c1b2355SMarcel Holtmann if (cb->security_cfm) 16478c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16481da177e4SLinus Torvalds } 1649fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1650354fe804SJohan Hedberg 1651354fe804SJohan Hedberg if (conn->security_cfm_cb) 1652354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16531da177e4SLinus Torvalds } 16541da177e4SLinus Torvalds 16551da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 16561da177e4SLinus Torvalds { 1657711584eaSDenis Kirjanov struct hci_cb *cb; 16581da177e4SLinus Torvalds 1659fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1660711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16611da177e4SLinus Torvalds if (cb->key_change_cfm) 16621da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 16631da177e4SLinus Torvalds } 1664fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16651da177e4SLinus Torvalds } 16661da177e4SLinus Torvalds 16675a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 16685a9d0a3fSWaldemar Rymarkiewicz __u8 role) 16691da177e4SLinus Torvalds { 1670711584eaSDenis Kirjanov struct hci_cb *cb; 16711da177e4SLinus Torvalds 1672fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1673711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16741da177e4SLinus Torvalds if (cb->role_switch_cfm) 16751da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 16761da177e4SLinus Torvalds } 1677fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16781da177e4SLinus Torvalds } 16791da177e4SLinus Torvalds 1680301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1681301cb2d8SJohan Hedberg { 1682dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1683301cb2d8SJohan Hedberg return false; 1684301cb2d8SJohan Hedberg 1685301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1686301cb2d8SJohan Hedberg return true; 1687301cb2d8SJohan Hedberg 1688301cb2d8SJohan Hedberg return false; 1689301cb2d8SJohan Hedberg } 1690301cb2d8SJohan Hedberg 1691c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1692c46245b3SJohan Hedberg { 1693c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1694c46245b3SJohan Hedberg return true; 1695c46245b3SJohan Hedberg 1696c46245b3SJohan Hedberg /* Check for Random Static address type */ 1697c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1698c46245b3SJohan Hedberg return true; 1699c46245b3SJohan Hedberg 1700c46245b3SJohan Hedberg return false; 1701c46245b3SJohan Hedberg } 1702c46245b3SJohan Hedberg 17032426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 17042426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 17052426f3a5SJohan Hedberg { 17062426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 17072426f3a5SJohan Hedberg return NULL; 17082426f3a5SJohan Hedberg 17092426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 17102426f3a5SJohan Hedberg } 17112426f3a5SJohan Hedberg 1712d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1713d4905f24SAndre Guedes u16 to_multiplier) 1714d4905f24SAndre Guedes { 1715d4905f24SAndre Guedes u16 max_latency; 1716d4905f24SAndre Guedes 1717d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1718d4905f24SAndre Guedes return -EINVAL; 1719d4905f24SAndre Guedes 1720d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1721d4905f24SAndre Guedes return -EINVAL; 1722d4905f24SAndre Guedes 1723d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1724d4905f24SAndre Guedes return -EINVAL; 1725d4905f24SAndre Guedes 17268757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1727d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1728d4905f24SAndre Guedes return -EINVAL; 1729d4905f24SAndre Guedes 1730d4905f24SAndre Guedes return 0; 1731d4905f24SAndre Guedes } 1732d4905f24SAndre Guedes 17331da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 17341da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 17351da177e4SLinus Torvalds 1736d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1737d6ee6ad7SLoic Poulain const void *param); 173875e84b7cSJohan Hedberg 173907dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 174007dc93ddSJohan Hedberg const void *param); 174173d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 17420d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 17431da177e4SLinus Torvalds 1744a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 17451da177e4SLinus Torvalds 1746eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1747eab2404bSLuiz Augusto von Dentz 17481da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1749470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 17507129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1751c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1752cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 175338ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 175438ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 175538ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 17561da177e4SLinus Torvalds 1757040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1758040030efSMarcel Holtmann 1759a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1760a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1761a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1762a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1763d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1764b9a245fbSJohan Hedberg 1765801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1766801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1767801c1e8dSJohan Hedberg u16 data_len); 1768801c1e8dSJohan Hedberg size_t data_len; 1769b9a245fbSJohan Hedberg unsigned long flags; 1770801c1e8dSJohan Hedberg }; 1771801c1e8dSJohan Hedberg 1772801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1773801c1e8dSJohan Hedberg struct list_head list; 1774801c1e8dSJohan Hedberg unsigned short channel; 1775801c1e8dSJohan Hedberg size_t handler_count; 1776801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 177788b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1778801c1e8dSJohan Hedberg }; 1779801c1e8dSJohan Hedberg 1780801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1781801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1782801c1e8dSJohan Hedberg 17830381101fSJohan Hedberg /* Management interface */ 1784591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1785591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1786591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1787591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1788591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1789591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1790f39799f5SAndre Guedes 17910d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17920d8cc935SAndre Guedes * Discovery Procedure specification. 17930d8cc935SAndre Guedes */ 17940d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17950d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17963d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1797ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17980d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17990d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 18004b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1801cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1802cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 18030d8cc935SAndre Guedes 1804dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 1805dbf6811aSArchie Pusaka 180603c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 180791a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1808bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1809bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 18103eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 18112ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 18122ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1813dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1814745c0ce3SVishal Agarwal bool persistent); 181548ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 18161c6ed31bSYu Liu u8 *name, u8 name_len); 18179b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 181812d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 181912d4a3b2SJohan Hedberg bool mgmt_connected); 18207892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 182188c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1822445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 182348264f06SJohan Hedberg u8 addr_type, u8 status); 1824ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1825e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1826c35938b2SSzymon Janc u8 status); 18273eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1828744cf19eSJohan Hedberg u8 status); 1829744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 183039adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1831272d90dfSJohan Hedberg u8 confirm_hint); 1832744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1833272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1834272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1835272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1836272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1837272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1838604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1839272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1840272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1841272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 184292a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 184392a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 184492a25256SJohan Hedberg u8 entered); 1845e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1846464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 18474e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 18487f9a903cSMarcel Holtmann u8 status); 18497667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1850e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 18512154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1852901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1853af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1854af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 18559cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1856b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 18572f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1858346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1859346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1860346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 186184c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 186253ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1863cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 186453ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 186553ac6ab6SMarcel Holtmann bool persistent); 1866ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1867f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1868f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1869f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1870f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 1871f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1872f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1873f2252570SJohan Hedberg u8 instance); 1874f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1875f2252570SJohan Hedberg u8 instance); 187666bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1877b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1878a2a4dedfSArchie Pusaka int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 187966bd095aSArchie Pusaka int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 18808d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 18818d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 1882346af67bSVinicius Costa Gomes 18837d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 18847d6ca693SJohan Hedberg u16 to_multiplier); 1885fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18868b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18872519a1fcSAndre Guedes 1888a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1889a1f4c318SJohan Hedberg u8 *bdaddr_type); 1890ebd3a747SJohan Hedberg 18915d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18925d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18935d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18945d4d62f6SFrédéric Dalleau 18958961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 18968961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 18978961987fSKiran K 18988961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 18998961987fSKiran K 19001da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1901