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; 12926afbd82SLuiz Augusto von Dentz unsigned int iso_num; 130fcd89c09SVille Tervo unsigned int le_num; 13139bc74caSArchie Pusaka unsigned int le_num_peripheral; 1321da177e4SLinus Torvalds }; 1331da177e4SLinus Torvalds 134f0358568SJohan Hedberg struct bdaddr_list { 135f0358568SJohan Hedberg struct list_head list; 136f0358568SJohan Hedberg bdaddr_t bdaddr; 137b9ee0a78SMarcel Holtmann u8 bdaddr_type; 138f0358568SJohan Hedberg }; 1392aeb9a1aSJohan Hedberg 1408961987fSKiran K struct codec_list { 1418961987fSKiran K struct list_head list; 1428961987fSKiran K u8 id; 1438961987fSKiran K __u16 cid; 1448961987fSKiran K __u16 vid; 1458961987fSKiran K u8 transport; 1468961987fSKiran K u8 num_caps; 1478961987fSKiran K u32 len; 1488961987fSKiran K struct hci_codec_caps caps[]; 1498961987fSKiran K }; 1508961987fSKiran K 151b950aa88SAnkit Navik struct bdaddr_list_with_irk { 152b950aa88SAnkit Navik struct list_head list; 153b950aa88SAnkit Navik bdaddr_t bdaddr; 154b950aa88SAnkit Navik u8 bdaddr_type; 155b950aa88SAnkit Navik u8 peer_irk[16]; 156b950aa88SAnkit Navik u8 local_irk[16]; 157b950aa88SAnkit Navik }; 158b950aa88SAnkit Navik 159e1cff700SLinus Torvalds /* Bitmask of connection flags */ 160fe92ee64SLuiz Augusto von Dentz enum hci_conn_flags { 161e1cff700SLinus Torvalds HCI_CONN_FLAG_REMOTE_WAKEUP = 1, 162e1cff700SLinus Torvalds HCI_CONN_FLAG_DEVICE_PRIVACY = 2, 163fe92ee64SLuiz Augusto von Dentz }; 164e1cff700SLinus Torvalds typedef u8 hci_conn_flags_t; 165fe92ee64SLuiz Augusto von Dentz 1668baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1678baaa403SAbhishek Pandit-Subedi struct list_head list; 1688baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1698baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 170e1cff700SLinus Torvalds hci_conn_flags_t flags; 1718baaa403SAbhishek Pandit-Subedi }; 1728baaa403SAbhishek Pandit-Subedi 1732aeb9a1aSJohan Hedberg struct bt_uuid { 1742aeb9a1aSJohan Hedberg struct list_head list; 1752aeb9a1aSJohan Hedberg u8 uuid[16]; 17683be8ecaSJohan Hedberg u8 size; 1771aff6f09SJohan Hedberg u8 svc_hint; 1782aeb9a1aSJohan Hedberg }; 1792aeb9a1aSJohan Hedberg 180600a8749SAlain Michaud struct blocked_key { 181600a8749SAlain Michaud struct list_head list; 182600a8749SAlain Michaud struct rcu_head rcu; 183600a8749SAlain Michaud u8 type; 184600a8749SAlain Michaud u8 val[16]; 185600a8749SAlain Michaud }; 186600a8749SAlain Michaud 1877ee4ea36SMarcel Holtmann struct smp_csrk { 1887ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1897ee4ea36SMarcel Holtmann u8 bdaddr_type; 1904cd3928aSJohan Hedberg u8 type; 1917ee4ea36SMarcel Holtmann u8 val[16]; 1927ee4ea36SMarcel Holtmann }; 1937ee4ea36SMarcel Holtmann 194b899efafSVinicius Costa Gomes struct smp_ltk { 195b899efafSVinicius Costa Gomes struct list_head list; 196970d0f1bSJohan Hedberg struct rcu_head rcu; 197b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 198b899efafSVinicius Costa Gomes u8 bdaddr_type; 199b899efafSVinicius Costa Gomes u8 authenticated; 200b899efafSVinicius Costa Gomes u8 type; 201b899efafSVinicius Costa Gomes u8 enc_size; 202b899efafSVinicius Costa Gomes __le16 ediv; 203fe39c7b2SMarcel Holtmann __le64 rand; 204b899efafSVinicius Costa Gomes u8 val[16]; 20503c515d7SMarcel Holtmann }; 206b899efafSVinicius Costa Gomes 207970c4e46SJohan Hedberg struct smp_irk { 208970c4e46SJohan Hedberg struct list_head list; 209adae20cbSJohan Hedberg struct rcu_head rcu; 210970c4e46SJohan Hedberg bdaddr_t rpa; 211970c4e46SJohan Hedberg bdaddr_t bdaddr; 212970c4e46SJohan Hedberg u8 addr_type; 213970c4e46SJohan Hedberg u8 val[16]; 214970c4e46SJohan Hedberg }; 215970c4e46SJohan Hedberg 21655ed8ca1SJohan Hedberg struct link_key { 21755ed8ca1SJohan Hedberg struct list_head list; 2180378b597SJohan Hedberg struct rcu_head rcu; 21955ed8ca1SJohan Hedberg bdaddr_t bdaddr; 22055ed8ca1SJohan Hedberg u8 type; 2219b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 22255ed8ca1SJohan Hedberg u8 pin_len; 22355ed8ca1SJohan Hedberg }; 22455ed8ca1SJohan Hedberg 2252763eda6SSzymon Janc struct oob_data { 2262763eda6SSzymon Janc struct list_head list; 2272763eda6SSzymon Janc bdaddr_t bdaddr; 2286928a924SJohan Hedberg u8 bdaddr_type; 229f7697b16SMarcel Holtmann u8 present; 230519ca9d0SMarcel Holtmann u8 hash192[16]; 23138da1703SJohan Hedberg u8 rand192[16]; 232519ca9d0SMarcel Holtmann u8 hash256[16]; 23338da1703SJohan Hedberg u8 rand256[16]; 2342763eda6SSzymon Janc }; 2352763eda6SSzymon Janc 236203fea01SArman Uguray struct adv_info { 237d2609b34SFlorian Grandel struct list_head list; 23810279313SLuiz Augusto von Dentz bool enabled; 239fffd38bcSFlorian Grandel bool pending; 240*eca0ae4aSLuiz Augusto von Dentz bool periodic; 241203fea01SArman Uguray __u8 instance; 242203fea01SArman Uguray __u32 flags; 243912098a6SArman Uguray __u16 timeout; 2445d900e46SFlorian Grandel __u16 remaining_time; 245d2609b34SFlorian Grandel __u16 duration; 246203fea01SArman Uguray __u16 adv_data_len; 247c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 24834a718bcSLuiz Augusto von Dentz bool adv_data_changed; 249203fea01SArman Uguray __u16 scan_rsp_len; 250c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 25134a718bcSLuiz Augusto von Dentz bool scan_rsp_changed; 252*eca0ae4aSLuiz Augusto von Dentz __u16 per_adv_data_len; 253*eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 254de181e88SJaganath Kanakkassery __s8 tx_power; 2559bf9f4b6SDaniel Winkler __u32 min_interval; 2569bf9f4b6SDaniel Winkler __u32 max_interval; 257a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 258a73c046aSJaganath Kanakkassery bool rpa_expired; 259a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 260203fea01SArman Uguray }; 261203fea01SArman Uguray 262db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 263d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 264d2609b34SFlorian Grandel 26512410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26612410572SDaniel Winkler 26734a718bcSLuiz Augusto von Dentz #define DATA_CMP(_d1, _l1, _d2, _l2) \ 26834a718bcSLuiz Augusto von Dentz (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2) 26934a718bcSLuiz Augusto von Dentz 27034a718bcSLuiz Augusto von Dentz #define ADV_DATA_CMP(_adv, _data, _len) \ 27134a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len) 27234a718bcSLuiz Augusto von Dentz 27334a718bcSLuiz Augusto von Dentz #define SCAN_RSP_CMP(_adv, _data, _len) \ 27434a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len) 27534a718bcSLuiz Augusto von Dentz 2763368aa35SManish Mandlik struct monitored_device { 2773368aa35SManish Mandlik struct list_head list; 2783368aa35SManish Mandlik 2793368aa35SManish Mandlik bdaddr_t bdaddr; 2803368aa35SManish Mandlik __u8 addr_type; 2813368aa35SManish Mandlik __u16 handle; 2823368aa35SManish Mandlik bool notified; 2833368aa35SManish Mandlik }; 2843368aa35SManish Mandlik 285e5e1e7fdSMiao-chen Chou struct adv_pattern { 286e5e1e7fdSMiao-chen Chou struct list_head list; 287e5e1e7fdSMiao-chen Chou __u8 ad_type; 288e5e1e7fdSMiao-chen Chou __u8 offset; 289e5e1e7fdSMiao-chen Chou __u8 length; 290e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 291e5e1e7fdSMiao-chen Chou }; 292e5e1e7fdSMiao-chen Chou 293b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 294b4a221eaSArchie Pusaka __s8 low_threshold; 295b4a221eaSArchie Pusaka __s8 high_threshold; 296b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 297b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 298b4a221eaSArchie Pusaka __u8 sampling_period; 299b4a221eaSArchie Pusaka }; 300b4a221eaSArchie Pusaka 301e5e1e7fdSMiao-chen Chou struct adv_monitor { 302e5e1e7fdSMiao-chen Chou struct list_head patterns; 303b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 304e5e1e7fdSMiao-chen Chou __u16 handle; 305a2a4dedfSArchie Pusaka 306a2a4dedfSArchie Pusaka enum { 307a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 308a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 309a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 310a2a4dedfSArchie Pusaka } state; 311e5e1e7fdSMiao-chen Chou }; 312e5e1e7fdSMiao-chen Chou 313e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 314e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 315e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 316a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 317a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 318e5e1e7fdSMiao-chen Chou 319490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 320490c5babSJohan Hedberg 321d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_UNSET 0xffff 322d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 323d5ebaa7cSSoenke Huster 324d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 325d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 326d5bb334aSMarcel Holtmann 327d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 328d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 329d6bfd59cSJohan Hedberg 33031ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 33131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 33231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 333302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 334302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 33531ad1691SAndrzej Kaczmarek 336903e4541SAndrei Emeltchenko struct amp_assoc { 337903e4541SAndrei Emeltchenko __u16 len; 338903e4541SAndrei Emeltchenko __u16 offset; 33993c284eeSAndrei Emeltchenko __u16 rem_len; 34093c284eeSAndrei Emeltchenko __u16 len_so_far; 341903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 342903e4541SAndrei Emeltchenko }; 343903e4541SAndrei Emeltchenko 344d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 345cad718edSJohan Hedberg 3461da177e4SLinus Torvalds struct hci_dev { 3471da177e4SLinus Torvalds struct list_head list; 34809fd0de5SGustavo F. Padovan struct mutex lock; 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds char name[8]; 3511da177e4SLinus Torvalds unsigned long flags; 3521da177e4SLinus Torvalds __u16 id; 353c13854ceSMarcel Holtmann __u8 bus; 354943da25dSMarcel Holtmann __u8 dev_type; 3551da177e4SLinus Torvalds bdaddr_t bdaddr; 356e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 35724c457e2SMarcel Holtmann bdaddr_t public_addr; 3587a4cd51dSMarcel Holtmann bdaddr_t random_addr; 359d13eafceSMarcel Holtmann bdaddr_t static_addr; 36056ed2cb8SJohan Hedberg __u8 adv_addr_type; 3611f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 362490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 36380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 364c4960ecfSMichał Narajowski __u16 appearance; 365a9de9248SMarcel Holtmann __u8 dev_class[3]; 3661aff6f09SJohan Hedberg __u8 major_class; 3671aff6f09SJohan Hedberg __u8 minor_class; 368d2c5d77fSJohan Hedberg __u8 max_page; 369cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 37060e77321SJohan Hedberg __u8 le_features[8]; 3713d4f9c00SArchie Pusaka __u8 le_accept_list_size; 372cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3736b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3749b008c04SJohan Hedberg __u8 le_states[8]; 375a9de9248SMarcel Holtmann __u8 commands[64]; 3761143e5a6SMarcel Holtmann __u8 hci_ver; 3771143e5a6SMarcel Holtmann __u16 hci_rev; 378d5859e22SJohan Hedberg __u8 lmp_ver; 3791143e5a6SMarcel Holtmann __u16 manufacturer; 3807d69230cSAndrei Emeltchenko __u16 lmp_subver; 3811da177e4SLinus Torvalds __u16 voice_setting; 382b4cb9fb2SMarcel Holtmann __u8 num_iac; 383e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 384e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 38517fa4b9dSJohan Hedberg __u8 io_capability; 38691c4e9b1SMarcel Holtmann __s8 inq_tx_power; 38700bce3fbSAlain Michaud __u8 err_data_reporting; 388f332ec66SJohan Hedberg __u16 page_scan_interval; 389f332ec66SJohan Hedberg __u16 page_scan_window; 390f332ec66SJohan Hedberg __u8 page_scan_type; 3913f959d46SMarcel Holtmann __u8 le_adv_channel_map; 392628531c9SGeorg Lukas __u16 le_adv_min_interval; 393628531c9SGeorg Lukas __u16 le_adv_max_interval; 394533553f8SMarcel Holtmann __u8 le_scan_type; 395bef64738SMarcel Holtmann __u16 le_scan_interval; 396bef64738SMarcel Holtmann __u16 le_scan_window; 39710873f99SAlain Michaud __u16 le_scan_int_suspend; 39810873f99SAlain Michaud __u16 le_scan_window_suspend; 39910873f99SAlain Michaud __u16 le_scan_int_discovery; 40010873f99SAlain Michaud __u16 le_scan_window_discovery; 40110873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 40210873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 40310873f99SAlain Michaud __u16 le_scan_int_connect; 40410873f99SAlain Michaud __u16 le_scan_window_connect; 4054e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 4064e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 40704fb7d90SMarcel Holtmann __u16 le_conn_latency; 40804fb7d90SMarcel Holtmann __u16 le_supv_timeout; 409a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 410a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 411a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 412a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 413a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 414a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 41530d65e08SMatias Karhumaa __u8 le_max_key_size; 41630d65e08SMatias Karhumaa __u8 le_min_key_size; 417b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 41831ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 41931ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 420302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 42158a96fc3SMarcel Holtmann __u8 min_enc_key_size; 422a4790360SMarcel Holtmann __u8 max_enc_key_size; 423a4790360SMarcel Holtmann __u8 pairing_opts; 42406f5b778SMarcel Holtmann __u8 ssp_debug_mode; 425c7741d16SMarcel Holtmann __u8 hw_error_code; 42633f35721SJohan Hedberg __u32 clock; 427c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 428c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 42980af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 430f332ec66SJohan Hedberg 4312b9be137SMarcel Holtmann __u16 devid_source; 4322b9be137SMarcel Holtmann __u16 devid_vendor; 4332b9be137SMarcel Holtmann __u16 devid_product; 4342b9be137SMarcel Holtmann __u16 devid_version; 4351da177e4SLinus Torvalds 43610873f99SAlain Michaud __u8 def_page_scan_type; 43710873f99SAlain Michaud __u16 def_page_scan_int; 43810873f99SAlain Michaud __u16 def_page_scan_window; 43910873f99SAlain Michaud __u8 def_inq_scan_type; 44010873f99SAlain Michaud __u16 def_inq_scan_int; 44110873f99SAlain Michaud __u16 def_inq_scan_window; 44210873f99SAlain Michaud __u16 def_br_lsto; 44310873f99SAlain Michaud __u16 def_page_timeout; 44410873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 44549b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4467c395ea5SDaniel Winkler __s8 min_le_tx_power; 4477c395ea5SDaniel Winkler __s8 max_le_tx_power; 44810873f99SAlain Michaud 4491da177e4SLinus Torvalds __u16 pkt_type; 4505b7f9909SMarcel Holtmann __u16 esco_type; 4511da177e4SLinus Torvalds __u16 link_policy; 4521da177e4SLinus Torvalds __u16 link_mode; 4531da177e4SLinus Torvalds 45404837f64SMarcel Holtmann __u32 idle_timeout; 45504837f64SMarcel Holtmann __u16 sniff_min_interval; 45604837f64SMarcel Holtmann __u16 sniff_max_interval; 45704837f64SMarcel Holtmann 458928abaa7SAndrei Emeltchenko __u8 amp_status; 459928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 460928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 461928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 462928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 463928abaa7SAndrei Emeltchenko __u8 amp_type; 464928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 465928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 466928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 467928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 468928abaa7SAndrei Emeltchenko 469903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 470903e4541SAndrei Emeltchenko 4711e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4721e89cffbSAndrei Emeltchenko 4739f61656aSJohan Hedberg unsigned int auto_accept_delay; 4749f61656aSJohan Hedberg 4751da177e4SLinus Torvalds unsigned long quirks; 4761da177e4SLinus Torvalds 4771da177e4SLinus Torvalds atomic_t cmd_cnt; 4781da177e4SLinus Torvalds unsigned int acl_cnt; 4791da177e4SLinus Torvalds unsigned int sco_cnt; 4806ed58ec5SVille Tervo unsigned int le_cnt; 48126afbd82SLuiz Augusto von Dentz unsigned int iso_cnt; 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds unsigned int acl_mtu; 4841da177e4SLinus Torvalds unsigned int sco_mtu; 4856ed58ec5SVille Tervo unsigned int le_mtu; 48626afbd82SLuiz Augusto von Dentz unsigned int iso_mtu; 4871da177e4SLinus Torvalds unsigned int acl_pkts; 4881da177e4SLinus Torvalds unsigned int sco_pkts; 4896ed58ec5SVille Tervo unsigned int le_pkts; 49026afbd82SLuiz Augusto von Dentz unsigned int iso_pkts; 4911da177e4SLinus Torvalds 492350ee4cfSAndrei Emeltchenko __u16 block_len; 493350ee4cfSAndrei Emeltchenko __u16 block_mtu; 494350ee4cfSAndrei Emeltchenko __u16 num_blocks; 495350ee4cfSAndrei Emeltchenko __u16 block_cnt; 496350ee4cfSAndrei Emeltchenko 4971da177e4SLinus Torvalds unsigned long acl_last_tx; 4981da177e4SLinus Torvalds unsigned long sco_last_tx; 4996ed58ec5SVille Tervo unsigned long le_last_tx; 5001da177e4SLinus Torvalds 5016decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 5026decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 5036decb5b4SJaganath Kanakkassery 504f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 5056ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 506f48fd9c8SMarcel Holtmann 507ab81cbf9SJohan Hedberg struct work_struct power_on; 5083243553fSJohan Hedberg struct delayed_work power_off; 509c7741d16SMarcel Holtmann struct work_struct error_reset; 5106a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 5116a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 5126a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 513744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 514ab81cbf9SJohan Hedberg 51516ab91abSJohan Hedberg __u16 discov_timeout; 51616ab91abSJohan Hedberg struct delayed_work discov_off; 51716ab91abSJohan Hedberg 5187d78525dSJohan Hedberg struct delayed_work service_cache; 5197d78525dSJohan Hedberg 52065cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 521de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 522b78752ccSMarcel Holtmann 523b78752ccSMarcel Holtmann struct work_struct rx_work; 524c347b765SGustavo F. Padovan struct work_struct cmd_work; 5253eff45eaSGustavo F. Padovan struct work_struct tx_work; 5261da177e4SLinus Torvalds 5277c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5287c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5292e93e53bSJohan Hedberg 5301da177e4SLinus Torvalds struct sk_buff_head rx_q; 5311da177e4SLinus Torvalds struct sk_buff_head raw_q; 5321da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds struct sk_buff *sent_cmd; 535dfe6d5c3SLuiz Augusto von Dentz struct sk_buff *recv_event; 5361da177e4SLinus Torvalds 537a6a67efdSThomas Gleixner struct mutex req_lock; 5381da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5391da177e4SLinus Torvalds __u32 req_status; 5401da177e4SLinus Torvalds __u32 req_result; 541f60cb305SJohan Hedberg struct sk_buff *req_skb; 542a5040efaSJohan Hedberg 54370db83c4SJohan Hedberg void *smp_data; 544ef8efe4bSJohan Hedberg void *smp_bredr_data; 5452e58ef3eSJohan Hedberg 54630883512SJohan Hedberg struct discovery_state discovery; 5479952d90eSAbhishek Pandit-Subedi 5484867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5494867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5504867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5514867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5524867bd00SAbhishek Pandit-Subedi 5539952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5549952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5559952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5564f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5574f40afc6SAbhishek Pandit-Subedi bool suspended; 5582f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5592f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5602f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5619952d90eSAbhishek Pandit-Subedi 5621da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5635c136e90SAndre Guedes 5645c136e90SAndre Guedes struct list_head mgmt_pending; 5653d4f9c00SArchie Pusaka struct list_head reject_list; 5663d4f9c00SArchie Pusaka struct list_head accept_list; 5672aeb9a1aSJohan Hedberg struct list_head uuids; 56855ed8ca1SJohan Hedberg struct list_head link_keys; 569b899efafSVinicius Costa Gomes struct list_head long_term_keys; 570970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5712763eda6SSzymon Janc struct list_head remote_oob_data; 5723d4f9c00SArchie Pusaka struct list_head le_accept_list; 573cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 57415819a70SAndre Guedes struct list_head le_conn_params; 57577a77a30SAndre Guedes struct list_head pend_le_conns; 57666f8455aSJohan Hedberg struct list_head pend_le_reports; 577600a8749SAlain Michaud struct list_head blocked_keys; 5788961987fSKiran K struct list_head local_codecs; 5792763eda6SSzymon Janc 5801da177e4SLinus Torvalds struct hci_dev_stats stat; 5811da177e4SLinus Torvalds 5821da177e4SLinus Torvalds atomic_t promisc; 5831da177e4SLinus Torvalds 5845177a838SMarcel Holtmann const char *hw_info; 5855177a838SMarcel Holtmann const char *fw_info; 586ca325f69SMarcel Holtmann struct dentry *debugfs; 587ca325f69SMarcel Holtmann 588a91f2e39SMarcel Holtmann struct device dev; 5891da177e4SLinus Torvalds 590611b30f7SMarcel Holtmann struct rfkill *rfkill; 591611b30f7SMarcel Holtmann 592eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 593e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 594d23264a8SAndre Guedes 5958fa19098SJohan Hedberg __s8 adv_tx_power; 596c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5973f0f524bSJohan Hedberg __u8 adv_data_len; 598c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 599f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 600*eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 601*eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data_len; 6028fa19098SJohan Hedberg 603d2609b34SFlorian Grandel struct list_head adv_instances; 604d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 605d2609b34SFlorian Grandel __u8 cur_adv_instance; 6065d900e46SFlorian Grandel __u16 adv_instance_timeout; 6075d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 608203fea01SArman Uguray 609e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 610e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 611e5e1e7fdSMiao-chen Chou 612863efaf2SJohan Hedberg __u8 irk[16]; 613d6bfd59cSJohan Hedberg __u32 rpa_timeout; 614d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6152b5224dcSMarcel Holtmann bdaddr_t rpa; 616863efaf2SJohan Hedberg 617c4f1f408SHoward Chung enum { 618c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 619c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 620c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 621c4f1f408SHoward Chung } interleave_scan_state; 622c4f1f408SHoward Chung 623c4f1f408SHoward Chung struct delayed_work interleave_scan; 624c4f1f408SHoward Chung 6253368aa35SManish Mandlik struct list_head monitored_devices; 6268d7f1677SManish Mandlik bool advmon_pend_notify; 6273368aa35SManish Mandlik 62853f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6296d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 63053f863a6SMarcel Holtmann #endif 6316d5d2ee6SHeiner Kallweit 632145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 633145373cbSMiao-chen Chou __u16 msft_opcode; 634145373cbSMiao-chen Chou void *msft_data; 635a61d6718SMarcel Holtmann bool msft_curve_validity; 636145373cbSMiao-chen Chou #endif 637145373cbSMiao-chen Chou 638f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 639f67743f9SMarcel Holtmann bool aosp_capable; 640749a6c59SJoseph Hwang bool aosp_quality_report; 641f67743f9SMarcel Holtmann #endif 642f67743f9SMarcel Holtmann 6431da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6441da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6451da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 646f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 647a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6487bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6491da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 650c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 65198a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6524b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 65324c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 654e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 6554539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 656ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 657248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6589798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6599798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6609798fbdeSKiran K __u8 **vnd_data); 6611da177e4SLinus Torvalds }; 6621da177e4SLinus Torvalds 66353502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 66453502d69SAndrei Emeltchenko 66576b13996SManish Mandlik enum conn_reasons { 66676b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 66776b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 66876b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 66926afbd82SLuiz Augusto von Dentz CONN_REASON_ISO_CONNECT, 67076b13996SManish Mandlik }; 67176b13996SManish Mandlik 6721da177e4SLinus Torvalds struct hci_conn { 6731da177e4SLinus Torvalds struct list_head list; 6741da177e4SLinus Torvalds 6751da177e4SLinus Torvalds atomic_t refcnt; 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvalds bdaddr_t dst; 67829b7988aSAndre Guedes __u8 dst_type; 679662e8820SMarcel Holtmann bdaddr_t src; 680e7c4096eSMarcel Holtmann __u8 src_type; 681cb1d68f7SJohan Hedberg bdaddr_t init_addr; 682cb1d68f7SJohan Hedberg __u8 init_addr_type; 683cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 684cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6857087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6861da177e4SLinus Torvalds __u16 handle; 687*eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle; 6881da177e4SLinus Torvalds __u16 state; 68904837f64SMarcel Holtmann __u8 mode; 6901da177e4SLinus Torvalds __u8 type; 69140bef302SJohan Hedberg __u8 role; 692a0c808b3SJohan Hedberg bool out; 6934c67bc74SMarcel Holtmann __u8 attempt; 6941da177e4SLinus Torvalds __u8 dev_class[3]; 695cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 696a8746417SMarcel Holtmann __u16 pkt_type; 69704837f64SMarcel Holtmann __u16 link_policy; 69813d39315SWaldemar Rymarkiewicz __u8 key_type; 69940be492fSMarcel Holtmann __u8 auth_type; 7008c1b2355SMarcel Holtmann __u8 sec_level; 701765c2a96SJohan Hedberg __u8 pending_sec_level; 702980e1a53SJohan Hedberg __u8 pin_length; 703726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 70417fa4b9dSJohan Hedberg __u8 io_capability; 70592a25256SJohan Hedberg __u32 passkey_notify; 70692a25256SJohan Hedberg __u8 passkey_entered; 707052b30b0SMarcel Holtmann __u16 disc_timeout; 70809ae260bSJohan Hedberg __u16 conn_timeout; 70910c62ddcSFrédéric Dalleau __u16 setting; 710302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7111e406eefSAndre Guedes __u16 le_conn_min_interval; 7121e406eefSAndre Guedes __u16 le_conn_max_interval; 713e04fde60SMarcel Holtmann __u16 le_conn_interval; 714e04fde60SMarcel Holtmann __u16 le_conn_latency; 715e04fde60SMarcel Holtmann __u16 le_supv_timeout; 716fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 717fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 718*eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH]; 719*eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data_len; 7201efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7211efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7225ae76a94SAndrzej Kaczmarek __s8 rssi; 7235a134faeSAndrzej Kaczmarek __s8 tx_power; 724d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 72526afbd82SLuiz Augusto von Dentz struct bt_iso_qos iso_qos; 72651a8efd7SJohan Hedberg unsigned long flags; 7271da177e4SLinus Torvalds 72876b13996SManish Mandlik enum conn_reasons conn_reason; 72976b13996SManish Mandlik 73033f35721SJohan Hedberg __u32 clock; 73133f35721SJohan Hedberg __u16 clock_accuracy; 73233f35721SJohan Hedberg 733dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 734dd983808SAndrzej Kaczmarek 73503b555e1SJohan Hedberg __u8 remote_cap; 73603b555e1SJohan Hedberg __u8 remote_auth; 7373161ae1cSAndrei Emeltchenko __u8 remote_id; 73803b555e1SJohan Hedberg 7391da177e4SLinus Torvalds unsigned int sent; 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds struct sk_buff_head data_q; 7422c33c06aSGustavo F. Padovan struct list_head chan_list; 7431da177e4SLinus Torvalds 74419c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7457bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 746a74a84f6SJohan Hedberg struct delayed_work idle_work; 7479489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7488ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7491da177e4SLinus Torvalds 750b219e3acSMarcel Holtmann struct device dev; 75123b9ceb7SMarcel Holtmann struct dentry *debugfs; 752b219e3acSMarcel Holtmann 7531da177e4SLinus Torvalds struct hci_dev *hdev; 7541da177e4SLinus Torvalds void *l2cap_data; 7551da177e4SLinus Torvalds void *sco_data; 75626afbd82SLuiz Augusto von Dentz void *iso_data; 7579740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvalds struct hci_conn *link; 760b2af264aSKiran K struct bt_codec codec; 761e9a416b5SJohan Hedberg 762e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 763e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 764e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 76526afbd82SLuiz Augusto von Dentz 76626afbd82SLuiz Augusto von Dentz void (*cleanup)(struct hci_conn *conn); 7671da177e4SLinus Torvalds }; 7681da177e4SLinus Torvalds 76973d80debSLuiz Augusto von Dentz struct hci_chan { 77073d80debSLuiz Augusto von Dentz struct list_head list; 77142c4e53eSAndrei Emeltchenko __u16 handle; 77273d80debSLuiz Augusto von Dentz struct hci_conn *conn; 77373d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 77473d80debSLuiz Augusto von Dentz unsigned int sent; 775168df8e5SMat Martineau __u8 state; 7765c4c8c95SArchie Pusaka bool amp; 77773d80debSLuiz Augusto von Dentz }; 77873d80debSLuiz Augusto von Dentz 77915819a70SAndre Guedes struct hci_conn_params { 78015819a70SAndre Guedes struct list_head list; 78193450c75SJohan Hedberg struct list_head action; 78215819a70SAndre Guedes 78315819a70SAndre Guedes bdaddr_t addr; 78415819a70SAndre Guedes u8 addr_type; 78515819a70SAndre Guedes 78615819a70SAndre Guedes u16 conn_min_interval; 78715819a70SAndre Guedes u16 conn_max_interval; 788f044eb05SMarcel Holtmann u16 conn_latency; 789f044eb05SMarcel Holtmann u16 supervision_timeout; 7909fcb18efSAndre Guedes 7919fcb18efSAndre Guedes enum { 7929fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 793a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7944b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7959fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7969fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 797158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7989fcb18efSAndre Guedes } auto_connect; 799f161dd41SJohan Hedberg 800f161dd41SJohan Hedberg struct hci_conn *conn; 801158e9218SJakub Pawlowski bool explicit_connect; 802e1cff700SLinus Torvalds hci_conn_flags_t flags; 803853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 80415819a70SAndre Guedes }; 80515819a70SAndre Guedes 8061da177e4SLinus Torvalds extern struct list_head hci_dev_list; 8071da177e4SLinus Torvalds extern struct list_head hci_cb_list; 8081da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 809fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 8101da177e4SLinus Torvalds 811eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 812eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 813eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 814eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 815eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 816eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 817eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 818d7a5a11dSMarcel Holtmann 819eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 820eacb44dfSMarcel Holtmann do { \ 821eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 822eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8232eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 824eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 825ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 826eacb44dfSMarcel Holtmann } while (0) 827516018a9SMarcel Holtmann 8284fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8294fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8304fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8314fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8324fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8334fc9857aSLuiz Augusto von Dentz 834686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 835e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 836e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8379b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 838686ebf28SUlisses Furquim 839ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 840e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8419b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 842ff50e8afSArron Wang #else 843ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 844ff50e8afSArron Wang __u8 *flags) 845ff50e8afSArron Wang { 846ff50e8afSArron Wang return 0; 847ff50e8afSArron Wang } 848ff50e8afSArron Wang 849ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 850ff50e8afSArron Wang { 851ff50e8afSArron Wang } 852ff50e8afSArron Wang #endif 853686ebf28SUlisses Furquim 854ccf74f23SLuiz Augusto von Dentz #if IS_ENABLED(CONFIG_BT_LE) 855ccf74f23SLuiz Augusto von Dentz int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 856ccf74f23SLuiz Augusto von Dentz void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 857ccf74f23SLuiz Augusto von Dentz #else 858ccf74f23SLuiz Augusto von Dentz static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 859ccf74f23SLuiz Augusto von Dentz __u8 *flags) 860ccf74f23SLuiz Augusto von Dentz { 861ccf74f23SLuiz Augusto von Dentz return 0; 862ccf74f23SLuiz Augusto von Dentz } 863ccf74f23SLuiz Augusto von Dentz static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, 864ccf74f23SLuiz Augusto von Dentz u16 flags) 865ccf74f23SLuiz Augusto von Dentz { 866ccf74f23SLuiz Augusto von Dentz } 867ccf74f23SLuiz Augusto von Dentz #endif 868ccf74f23SLuiz Augusto von Dentz 8691da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 87070f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 87170f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8721da177e4SLinus Torvalds 87330883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8741da177e4SLinus Torvalds { 875ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 87630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 87730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 87830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 879da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 88037eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8811da177e4SLinus Torvalds } 8821da177e4SLinus Torvalds 8830256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8840256325eSMarcel Holtmann { 88582f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 886da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8870256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8880256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8890256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8900256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8912d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8922d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8930256325eSMarcel Holtmann } 8940256325eSMarcel Holtmann 89530dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 89630dc78e1SJohan Hedberg 897ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 898ff9ef578SJohan Hedberg 8991da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 9001da177e4SLinus Torvalds { 90130883512SJohan Hedberg return list_empty(&hdev->discovery.all); 9021da177e4SLinus Torvalds } 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 9051da177e4SLinus Torvalds { 90630883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 9071da177e4SLinus Torvalds return jiffies - c->timestamp; 9081da177e4SLinus Torvalds } 9091da177e4SLinus Torvalds 9101da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 9111da177e4SLinus Torvalds { 9121da177e4SLinus Torvalds return jiffies - e->timestamp; 9131da177e4SLinus Torvalds } 9141da177e4SLinus Torvalds 9155a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 9165a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 917561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 918561aafbcSJohan Hedberg bdaddr_t *bdaddr); 91930dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 92030dc78e1SJohan Hedberg bdaddr_t *bdaddr, 92130dc78e1SJohan Hedberg int state); 922a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 923a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 924af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 925af58925cSMarcel Holtmann bool name_known); 9261f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 9271da177e4SLinus Torvalds 9281da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 9291da177e4SLinus Torvalds enum { 9301da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 93119f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9321da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 93304837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 93404837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 935e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 936b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 93758a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 938eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 939abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 94058a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 941af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9424dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9434dae2798SJohan Hedberg HCI_CONN_AUTH, 9444dae2798SJohan Hedberg HCI_CONN_SECURE, 9454dae2798SJohan Hedberg HCI_CONN_FIPS, 946fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 947977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 948f94b665dSJohan Hedberg HCI_CONN_DROP, 94989cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 950fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 951158e9218SJakub Pawlowski HCI_CONN_SCANNING, 952160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 953*eca0ae4aSLuiz Augusto von Dentz HCI_CONN_PER_ADV, 9541da177e4SLinus Torvalds }; 9551da177e4SLinus Torvalds 956aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 957aa64a8b5SJohan Hedberg { 958aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 959d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 960c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 961aa64a8b5SJohan Hedberg } 962aa64a8b5SJohan Hedberg 963eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 964eb9a8f3fSMarcel Holtmann { 965eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 966d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 967eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 968eb9a8f3fSMarcel Holtmann } 969eb9a8f3fSMarcel Holtmann 9701da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9711da177e4SLinus Torvalds { 9721da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 973bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 974fcd89c09SVille Tervo switch (c->type) { 975fcd89c09SVille Tervo case ACL_LINK: 9761da177e4SLinus Torvalds h->acl_num++; 977fcd89c09SVille Tervo break; 978bd1eb66bSAndrei Emeltchenko case AMP_LINK: 979bd1eb66bSAndrei Emeltchenko h->amp_num++; 980bd1eb66bSAndrei Emeltchenko break; 981fcd89c09SVille Tervo case LE_LINK: 982fcd89c09SVille Tervo h->le_num++; 983f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 98439bc74caSArchie Pusaka h->le_num_peripheral++; 985fcd89c09SVille Tervo break; 986fcd89c09SVille Tervo case SCO_LINK: 987fcd89c09SVille Tervo case ESCO_LINK: 9881da177e4SLinus Torvalds h->sco_num++; 989fcd89c09SVille Tervo break; 99026afbd82SLuiz Augusto von Dentz case ISO_LINK: 99126afbd82SLuiz Augusto von Dentz h->iso_num++; 99226afbd82SLuiz Augusto von Dentz break; 993fcd89c09SVille Tervo } 9941da177e4SLinus Torvalds } 9951da177e4SLinus Torvalds 9961da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9971da177e4SLinus Torvalds { 9981da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 999bf4c6325SGustavo F. Padovan 1000bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 1001bf4c6325SGustavo F. Padovan synchronize_rcu(); 1002bf4c6325SGustavo F. Padovan 1003fcd89c09SVille Tervo switch (c->type) { 1004fcd89c09SVille Tervo case ACL_LINK: 10051da177e4SLinus Torvalds h->acl_num--; 1006fcd89c09SVille Tervo break; 1007bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1008bd1eb66bSAndrei Emeltchenko h->amp_num--; 1009bd1eb66bSAndrei Emeltchenko break; 1010fcd89c09SVille Tervo case LE_LINK: 1011fcd89c09SVille Tervo h->le_num--; 1012f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 101339bc74caSArchie Pusaka h->le_num_peripheral--; 1014fcd89c09SVille Tervo break; 1015fcd89c09SVille Tervo case SCO_LINK: 1016fcd89c09SVille Tervo case ESCO_LINK: 10171da177e4SLinus Torvalds h->sco_num--; 1018fcd89c09SVille Tervo break; 101926afbd82SLuiz Augusto von Dentz case ISO_LINK: 102026afbd82SLuiz Augusto von Dentz h->iso_num--; 102126afbd82SLuiz Augusto von Dentz break; 1022fcd89c09SVille Tervo } 10231da177e4SLinus Torvalds } 10241da177e4SLinus Torvalds 102552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 102652087a79SLuiz Augusto von Dentz { 102752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 102852087a79SLuiz Augusto von Dentz switch (type) { 102952087a79SLuiz Augusto von Dentz case ACL_LINK: 103052087a79SLuiz Augusto von Dentz return h->acl_num; 1031bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1032bd1eb66bSAndrei Emeltchenko return h->amp_num; 103352087a79SLuiz Augusto von Dentz case LE_LINK: 103452087a79SLuiz Augusto von Dentz return h->le_num; 103552087a79SLuiz Augusto von Dentz case SCO_LINK: 103652087a79SLuiz Augusto von Dentz case ESCO_LINK: 103752087a79SLuiz Augusto von Dentz return h->sco_num; 103826afbd82SLuiz Augusto von Dentz case ISO_LINK: 103926afbd82SLuiz Augusto von Dentz return h->iso_num; 104052087a79SLuiz Augusto von Dentz default: 104152087a79SLuiz Augusto von Dentz return 0; 104252087a79SLuiz Augusto von Dentz } 104352087a79SLuiz Augusto von Dentz } 104452087a79SLuiz Augusto von Dentz 1045f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1046f4f07505SJohan Hedberg { 1047f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1048f4f07505SJohan Hedberg 104926afbd82SLuiz Augusto von Dentz return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num; 1050f4f07505SJohan Hedberg } 1051f4f07505SJohan Hedberg 1052845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1053845472e8SMarcel Holtmann { 1054845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1055845472e8SMarcel Holtmann struct hci_conn *c; 1056845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1057845472e8SMarcel Holtmann 1058845472e8SMarcel Holtmann rcu_read_lock(); 1059845472e8SMarcel Holtmann 1060845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1061845472e8SMarcel Holtmann if (c->handle == handle) { 1062845472e8SMarcel Holtmann type = c->type; 1063845472e8SMarcel Holtmann break; 1064845472e8SMarcel Holtmann } 1065845472e8SMarcel Holtmann } 1066845472e8SMarcel Holtmann 1067845472e8SMarcel Holtmann rcu_read_unlock(); 1068845472e8SMarcel Holtmann 1069845472e8SMarcel Holtmann return type; 1070845472e8SMarcel Holtmann } 1071845472e8SMarcel Holtmann 1072*eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev, 1073*eca0ae4aSLuiz Augusto von Dentz bdaddr_t *ba, 1074*eca0ae4aSLuiz Augusto von Dentz __u8 big, __u8 bis) 1075*eca0ae4aSLuiz Augusto von Dentz { 1076*eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1077*eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1078*eca0ae4aSLuiz Augusto von Dentz 1079*eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1080*eca0ae4aSLuiz Augusto von Dentz 1081*eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1082*eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, ba) || c->type != ISO_LINK) 1083*eca0ae4aSLuiz Augusto von Dentz continue; 1084*eca0ae4aSLuiz Augusto von Dentz 1085*eca0ae4aSLuiz Augusto von Dentz if (c->iso_qos.big == big && c->iso_qos.bis == bis) { 1086*eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1087*eca0ae4aSLuiz Augusto von Dentz return c; 1088*eca0ae4aSLuiz Augusto von Dentz } 1089*eca0ae4aSLuiz Augusto von Dentz } 1090*eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1091*eca0ae4aSLuiz Augusto von Dentz 1092*eca0ae4aSLuiz Augusto von Dentz return NULL; 1093*eca0ae4aSLuiz Augusto von Dentz } 1094*eca0ae4aSLuiz Augusto von Dentz 10951da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 10961da177e4SLinus Torvalds __u16 handle) 10971da177e4SLinus Torvalds { 10981da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10991da177e4SLinus Torvalds struct hci_conn *c; 11001da177e4SLinus Torvalds 1101bf4c6325SGustavo F. Padovan rcu_read_lock(); 1102bf4c6325SGustavo F. Padovan 1103bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1104bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1105bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11061da177e4SLinus Torvalds return c; 11071da177e4SLinus Torvalds } 1108bf4c6325SGustavo F. Padovan } 1109bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1110bf4c6325SGustavo F. Padovan 11111da177e4SLinus Torvalds return NULL; 11121da177e4SLinus Torvalds } 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 11151da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 11161da177e4SLinus Torvalds { 11171da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11181da177e4SLinus Torvalds struct hci_conn *c; 11191da177e4SLinus Torvalds 1120bf4c6325SGustavo F. Padovan rcu_read_lock(); 1121bf4c6325SGustavo F. Padovan 1122bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1123bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1124bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11251da177e4SLinus Torvalds return c; 11261da177e4SLinus Torvalds } 1127bf4c6325SGustavo F. Padovan } 1128bf4c6325SGustavo F. Padovan 1129bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1130bf4c6325SGustavo F. Padovan 11311da177e4SLinus Torvalds return NULL; 11321da177e4SLinus Torvalds } 11331da177e4SLinus Torvalds 11341b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 11351b51c7b6SJohan Hedberg bdaddr_t *ba, 11361b51c7b6SJohan Hedberg __u8 ba_type) 11371b51c7b6SJohan Hedberg { 11381b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 11391b51c7b6SJohan Hedberg struct hci_conn *c; 11401b51c7b6SJohan Hedberg 11411b51c7b6SJohan Hedberg rcu_read_lock(); 11421b51c7b6SJohan Hedberg 11431b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 11441b51c7b6SJohan Hedberg if (c->type != LE_LINK) 11451b51c7b6SJohan Hedberg continue; 11461b51c7b6SJohan Hedberg 11471b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 11481b51c7b6SJohan Hedberg rcu_read_unlock(); 11491b51c7b6SJohan Hedberg return c; 11501b51c7b6SJohan Hedberg } 11511b51c7b6SJohan Hedberg } 11521b51c7b6SJohan Hedberg 11531b51c7b6SJohan Hedberg rcu_read_unlock(); 11541b51c7b6SJohan Hedberg 11551b51c7b6SJohan Hedberg return NULL; 11561b51c7b6SJohan Hedberg } 11571b51c7b6SJohan Hedberg 115826afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev, 115926afbd82SLuiz Augusto von Dentz bdaddr_t *ba, 116026afbd82SLuiz Augusto von Dentz __u8 ba_type) 116126afbd82SLuiz Augusto von Dentz { 116226afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 116326afbd82SLuiz Augusto von Dentz struct hci_conn *c; 116426afbd82SLuiz Augusto von Dentz 116526afbd82SLuiz Augusto von Dentz rcu_read_lock(); 116626afbd82SLuiz Augusto von Dentz 116726afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 116826afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 116926afbd82SLuiz Augusto von Dentz continue; 117026afbd82SLuiz Augusto von Dentz 117126afbd82SLuiz Augusto von Dentz if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 117226afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 117326afbd82SLuiz Augusto von Dentz return c; 117426afbd82SLuiz Augusto von Dentz } 117526afbd82SLuiz Augusto von Dentz } 117626afbd82SLuiz Augusto von Dentz 117726afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 117826afbd82SLuiz Augusto von Dentz 117926afbd82SLuiz Augusto von Dentz return NULL; 118026afbd82SLuiz Augusto von Dentz } 118126afbd82SLuiz Augusto von Dentz 118226afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev, 118326afbd82SLuiz Augusto von Dentz __u8 handle) 118426afbd82SLuiz Augusto von Dentz { 118526afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 118626afbd82SLuiz Augusto von Dentz struct hci_conn *c; 118726afbd82SLuiz Augusto von Dentz 118826afbd82SLuiz Augusto von Dentz rcu_read_lock(); 118926afbd82SLuiz Augusto von Dentz 119026afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 119126afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 119226afbd82SLuiz Augusto von Dentz continue; 119326afbd82SLuiz Augusto von Dentz 119426afbd82SLuiz Augusto von Dentz if (handle == c->iso_qos.cig) { 119526afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 119626afbd82SLuiz Augusto von Dentz return c; 119726afbd82SLuiz Augusto von Dentz } 119826afbd82SLuiz Augusto von Dentz } 119926afbd82SLuiz Augusto von Dentz 120026afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 120126afbd82SLuiz Augusto von Dentz 120226afbd82SLuiz Augusto von Dentz return NULL; 120326afbd82SLuiz Augusto von Dentz } 120426afbd82SLuiz Augusto von Dentz 1205*eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, 1206*eca0ae4aSLuiz Augusto von Dentz __u8 handle) 1207*eca0ae4aSLuiz Augusto von Dentz { 1208*eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1209*eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1210*eca0ae4aSLuiz Augusto von Dentz 1211*eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1212*eca0ae4aSLuiz Augusto von Dentz 1213*eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1214*eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK) 1215*eca0ae4aSLuiz Augusto von Dentz continue; 1216*eca0ae4aSLuiz Augusto von Dentz 1217*eca0ae4aSLuiz Augusto von Dentz if (handle == c->iso_qos.big) { 1218*eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1219*eca0ae4aSLuiz Augusto von Dentz return c; 1220*eca0ae4aSLuiz Augusto von Dentz } 1221*eca0ae4aSLuiz Augusto von Dentz } 1222*eca0ae4aSLuiz Augusto von Dentz 1223*eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1224*eca0ae4aSLuiz Augusto von Dentz 1225*eca0ae4aSLuiz Augusto von Dentz return NULL; 1226*eca0ae4aSLuiz Augusto von Dentz } 1227*eca0ae4aSLuiz Augusto von Dentz 12284c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 12294c67bc74SMarcel Holtmann __u8 type, __u16 state) 12304c67bc74SMarcel Holtmann { 12314c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 12324c67bc74SMarcel Holtmann struct hci_conn *c; 12334c67bc74SMarcel Holtmann 1234bf4c6325SGustavo F. Padovan rcu_read_lock(); 1235bf4c6325SGustavo F. Padovan 1236bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1237bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1238bf4c6325SGustavo F. Padovan rcu_read_unlock(); 12394c67bc74SMarcel Holtmann return c; 12404c67bc74SMarcel Holtmann } 1241bf4c6325SGustavo F. Padovan } 1242bf4c6325SGustavo F. Padovan 1243bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1244bf4c6325SGustavo F. Padovan 12454c67bc74SMarcel Holtmann return NULL; 12464c67bc74SMarcel Holtmann } 12474c67bc74SMarcel Holtmann 124826afbd82SLuiz Augusto von Dentz typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); 124926afbd82SLuiz Augusto von Dentz static inline void hci_conn_hash_list_state(struct hci_dev *hdev, 125026afbd82SLuiz Augusto von Dentz hci_conn_func_t func, __u8 type, 125126afbd82SLuiz Augusto von Dentz __u16 state, void *data) 125226afbd82SLuiz Augusto von Dentz { 125326afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 125426afbd82SLuiz Augusto von Dentz struct hci_conn *c; 125526afbd82SLuiz Augusto von Dentz 125626afbd82SLuiz Augusto von Dentz if (!func) 125726afbd82SLuiz Augusto von Dentz return; 125826afbd82SLuiz Augusto von Dentz 125926afbd82SLuiz Augusto von Dentz rcu_read_lock(); 126026afbd82SLuiz Augusto von Dentz 126126afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 126226afbd82SLuiz Augusto von Dentz if (c->type == type && c->state == state) 126326afbd82SLuiz Augusto von Dentz func(c, data); 126426afbd82SLuiz Augusto von Dentz } 126526afbd82SLuiz Augusto von Dentz 126626afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 126726afbd82SLuiz Augusto von Dentz } 126826afbd82SLuiz Augusto von Dentz 1269e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1270e7d9ab73SJakub Pawlowski { 1271e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1272e7d9ab73SJakub Pawlowski struct hci_conn *c; 1273e7d9ab73SJakub Pawlowski 1274e7d9ab73SJakub Pawlowski rcu_read_lock(); 1275e7d9ab73SJakub Pawlowski 1276e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1277e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1278e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1279e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1280e7d9ab73SJakub Pawlowski return c; 1281e7d9ab73SJakub Pawlowski } 1282e7d9ab73SJakub Pawlowski } 1283e7d9ab73SJakub Pawlowski 1284e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1285e7d9ab73SJakub Pawlowski 1286e7d9ab73SJakub Pawlowski return NULL; 1287e7d9ab73SJakub Pawlowski } 1288e7d9ab73SJakub Pawlowski 1289e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 12902dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1291e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 129226afbd82SLuiz Augusto von Dentz bool hci_iso_setup_path(struct hci_conn *conn); 129326afbd82SLuiz Augusto von Dentz int hci_le_create_cis(struct hci_conn *conn); 12941da177e4SLinus Torvalds 1295a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1296a5c4e309SJohan Hedberg u8 role); 12971da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 12981da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1299a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 13001da177e4SLinus Torvalds 130173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 13029472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 13032c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 130442c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 130573d80debSLuiz Augusto von Dentz 1306f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1307f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 130876b13996SManish Mandlik u16 conn_timeout, 130976b13996SManish Mandlik enum conn_reasons conn_reason); 131004a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1311d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 13128e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 131304a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 131476b13996SManish Mandlik u8 sec_level, u8 auth_type, 131576b13996SManish Mandlik enum conn_reasons conn_reason); 131610c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1317b2af264aSKiran K __u16 setting, struct bt_codec *codec); 131826afbd82SLuiz Augusto von Dentz struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, 131926afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 132026afbd82SLuiz Augusto von Dentz struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst, 132126afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1322*eca0ae4aSLuiz Augusto von Dentz struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst, 1323*eca0ae4aSLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos, 1324*eca0ae4aSLuiz Augusto von Dentz __u8 data_len, __u8 *data); 1325*eca0ae4aSLuiz Augusto von Dentz int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type, 1326*eca0ae4aSLuiz Augusto von Dentz __u8 sid); 1327*eca0ae4aSLuiz Augusto von Dentz int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos, 1328*eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle, __u8 num_bis, __u8 bis[]); 1329e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1330b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1331e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1332e7cafc45SJohan Hedberg bool initiator); 13338c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 13341da177e4SLinus Torvalds 133514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 13361da177e4SLinus Torvalds 13379b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 133806c053fbSAndre Guedes 13398d12356fSDavid Herrmann /* 13408d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 13418d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 13428d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 13438d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 13448d12356fSDavid Herrmann * other constant data. 13458d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 13468d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 13478d12356fSDavid Herrmann * get dropped, though. 13488d12356fSDavid Herrmann * 13498d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 13508d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 13518d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 13528d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 13538d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 13548d12356fSDavid Herrmann * hci_conn_add()). 13558d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 13568d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 13578d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 13588d12356fSDavid Herrmann */ 13598d12356fSDavid Herrmann 136051bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 13618d12356fSDavid Herrmann { 13628d12356fSDavid Herrmann get_device(&conn->dev); 136351bb8457SJohan Hedberg return conn; 13648d12356fSDavid Herrmann } 13658d12356fSDavid Herrmann 13668d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 13678d12356fSDavid Herrmann { 13688d12356fSDavid Herrmann put_device(&conn->dev); 13698d12356fSDavid Herrmann } 13708d12356fSDavid Herrmann 13711da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 13721da177e4SLinus Torvalds { 137371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 137438b3fef1SAndrei Emeltchenko 13751da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 13762f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 13771da177e4SLinus Torvalds } 13781da177e4SLinus Torvalds 137976a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 13801da177e4SLinus Torvalds { 138171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 138238b3fef1SAndrei Emeltchenko 13831da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 138404837f64SMarcel Holtmann unsigned long timeo; 1385716e4ab5SAndrei Emeltchenko 1386716e4ab5SAndrei Emeltchenko switch (conn->type) { 1387716e4ab5SAndrei Emeltchenko case ACL_LINK: 1388716e4ab5SAndrei Emeltchenko case LE_LINK: 1389a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 13906ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 13915f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 139204837f64SMarcel Holtmann if (!conn->out) 1393052b30b0SMarcel Holtmann timeo *= 2; 13945a9d0a3fSWaldemar Rymarkiewicz } else { 1395eb78d7e5SJohan Hedberg timeo = 0; 13965a9d0a3fSWaldemar Rymarkiewicz } 1397716e4ab5SAndrei Emeltchenko break; 1398716e4ab5SAndrei Emeltchenko 1399716e4ab5SAndrei Emeltchenko case AMP_LINK: 1400716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1401716e4ab5SAndrei Emeltchenko break; 1402716e4ab5SAndrei Emeltchenko 1403716e4ab5SAndrei Emeltchenko default: 1404eb78d7e5SJohan Hedberg timeo = 0; 1405716e4ab5SAndrei Emeltchenko break; 14065a9d0a3fSWaldemar Rymarkiewicz } 1407716e4ab5SAndrei Emeltchenko 14082f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 140919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 14101931782bSVinicius Costa Gomes &conn->disc_work, timeo); 14111da177e4SLinus Torvalds } 14121da177e4SLinus Torvalds } 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1415dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 14161da177e4SLinus Torvalds { 1417376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14182c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1419376261aeSAndrei Emeltchenko 14204c724c71SDavid Herrmann put_device(&d->dev); 1421010666a1SDavid Herrmann } 14221da177e4SLinus Torvalds 1423dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 14241da177e4SLinus Torvalds { 1425376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14262c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1427376261aeSAndrei Emeltchenko 14284c724c71SDavid Herrmann get_device(&d->dev); 14291da177e4SLinus Torvalds return d; 14301da177e4SLinus Torvalds } 14311da177e4SLinus Torvalds 143209fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 143309fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 14341da177e4SLinus Torvalds 1435aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 14363dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1437aa2b86d7SDavid Herrmann 1438155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1439155961e8SDavid Herrmann { 1440155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1441155961e8SDavid Herrmann } 1442155961e8SDavid Herrmann 1443155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1444155961e8SDavid Herrmann { 1445155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1446155961e8SDavid Herrmann } 1447155961e8SDavid Herrmann 14486ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 14496ec56613STedd Ho-Jeong An { 14506ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 14516ec56613STedd Ho-Jeong An } 14526ec56613STedd Ho-Jeong An 14531da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 145439385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 14551da177e4SLinus Torvalds 14566ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 14576ec56613STedd Ho-Jeong An 14586ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 14596ec56613STedd Ho-Jeong An { 14606ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 14616ec56613STedd Ho-Jeong An } 14626ec56613STedd Ho-Jeong An 14631da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 14641da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 146559735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 146658ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1467359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1468359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 14691da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 14701da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 147175e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1472f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1473f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 14741aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 14751aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1476145373cbSMiao-chen Chou 1477145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1478145373cbSMiao-chen Chou { 1479145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1480145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1481145373cbSMiao-chen Chou #endif 1482145373cbSMiao-chen Chou } 1483145373cbSMiao-chen Chou 1484f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1485f67743f9SMarcel Holtmann { 1486f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1487f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1488f67743f9SMarcel Holtmann #endif 1489f67743f9SMarcel Holtmann } 1490f67743f9SMarcel Holtmann 14911da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 14921da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 14936b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 14941da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 14951da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 14961da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 14971da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 14981da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 14991da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 15001da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 150140be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 15021da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 15031da177e4SLinus Torvalds 1504dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1505b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1506b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1507b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1508b950aa88SAnkit Navik u8 type); 15098baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 15108baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15118baaa403SAbhishek Pandit-Subedi u8 type); 1512dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1513b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1514b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 15158baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15168baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1517dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1518b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1519b950aa88SAnkit Navik u8 type); 15208baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15218baaa403SAbhishek Pandit-Subedi u8 type); 1522dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1523d2ab0ac1SMarcel Holtmann 152415819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 152515819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 152651d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 152751d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 152815819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 152955af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 153015819a70SAndre Guedes 1531501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1532501f8827SJohan Hedberg bdaddr_t *addr, 1533501f8827SJohan Hedberg u8 addr_type); 153477a77a30SAndre Guedes 153535f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 15362aeb9a1aSJohan Hedberg 153735f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 153855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1539567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 15407652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 15417652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1542ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 154335d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1544fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1545f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1546e804d25dSJohan Hedberg u8 addr_type, u8 role); 1547e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 154835f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 154955ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 155055ed8ca1SJohan Hedberg 1551970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1552970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1553970c4e46SJohan Hedberg u8 addr_type); 1554ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1555ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1556a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1557600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1558600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1559970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1560970c4e46SJohan Hedberg 156155e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 156255e76b38SJohan Hedberg 156335f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 15642763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 15656928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 15660798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15676928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 156838da1703SJohan Hedberg u8 *hash256, u8 *rand256); 15696928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15706928a924SJohan Hedberg u8 bdaddr_type); 15712763eda6SSzymon Janc 1572d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1573d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1574d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1575*eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance, 1576*eca0ae4aSLuiz Augusto von Dentz u32 flags, u16 adv_data_len, u8 *adv_data, 1577d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 15789bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 15799bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 1580*eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, 1581*eca0ae4aSLuiz Augusto von Dentz u32 flags, u8 data_len, u8 *data, 1582*eca0ae4aSLuiz Augusto von Dentz u32 min_interval, u32 max_interval); 158331aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 158431aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 158531aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1586d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1587a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 158801ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 158901ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1590d2609b34SFlorian Grandel 1591e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 159266bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1593b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 15947cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 15957cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 15968208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1597a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1598e5e1e7fdSMiao-chen Chou 15991da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 16001da177e4SLinus Torvalds 16010ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1602a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1603b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1604b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 16051da177e4SLinus Torvalds 16066935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1609cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1610cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1611cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1612cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1613cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1614cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1615cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1616cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1617cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1618cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1619cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 16208b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1621cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1622cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1623cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1624cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1625cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1626cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1627cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 162807a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 16295075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 16305075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 16315075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 16325075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 16331da177e4SLinus Torvalds 1634eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 16356397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 16366397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 163753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 163853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1639d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1640d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 164153b834d2SMarcel Holtmann 164253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1643cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1644d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1645cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1646cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1647eead27daSAndre Guedes 1648d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1649d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 165005b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1651d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1652c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1653c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1654c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1655c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1656432df05eSJohan Hedberg 165745bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 165845bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 165945bdd86eSJaganath Kanakkassery 166045bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 166145bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 166245bdd86eSJaganath Kanakkassery 166345bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 166445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 166545bdd86eSJaganath Kanakkassery 1666ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1667ad383c2cSLuiz Augusto von Dentz 1668e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1669ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1670ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1671e1d57235SMarcel Holtmann 16726126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 16736126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 16746126ffabSLuiz Augusto von Dentz 167505abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 167605abad85SLuiz Augusto von Dentz * has not been set. 167705abad85SLuiz Augusto von Dentz */ 167805abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 167905abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 168005abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1681b2af264aSKiran K 1682a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1683a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1684a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 16854d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 16864d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1687a2344b9eSJaganath Kanakkassery 16886b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 16896b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 16906b49bcb4SJaganath Kanakkassery 1691a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1692a56a1138SLuiz Augusto von Dentz * 1693a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1694a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1695a56a1138SLuiz Augusto von Dentz */ 1696a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1697a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1698a56a1138SLuiz Augusto von Dentz 1699*eca0ae4aSLuiz Augusto von Dentz /* Periodic advertising support */ 1700*eca0ae4aSLuiz Augusto von Dentz #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV)) 1701*eca0ae4aSLuiz Augusto von Dentz 1702*eca0ae4aSLuiz Augusto von Dentz /* CIS Master/Slave and BIS support */ 1703*eca0ae4aSLuiz Augusto von Dentz #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev)) 170426afbd82SLuiz Augusto von Dentz #define cis_capable(dev) \ 170526afbd82SLuiz Augusto von Dentz (cis_central_capable(dev) || cis_peripheral_capable(dev)) 170626afbd82SLuiz Augusto von Dentz #define cis_central_capable(dev) \ 170726afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL) 170826afbd82SLuiz Augusto von Dentz #define cis_peripheral_capable(dev) \ 170926afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL) 1710*eca0ae4aSLuiz Augusto von Dentz #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER) 171126afbd82SLuiz Augusto von Dentz 17121da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 171320714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 171420714bfeSFrédéric Dalleau 17155a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 171620714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 17171da177e4SLinus Torvalds { 1718686ebf28SUlisses Furquim switch (type) { 1719686ebf28SUlisses Furquim case ACL_LINK: 1720686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 17211da177e4SLinus Torvalds 1722686ebf28SUlisses Furquim case SCO_LINK: 1723686ebf28SUlisses Furquim case ESCO_LINK: 172420714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 17251da177e4SLinus Torvalds 172626afbd82SLuiz Augusto von Dentz case ISO_LINK: 1727ccf74f23SLuiz Augusto von Dentz return iso_connect_ind(hdev, bdaddr, flags); 172826afbd82SLuiz Augusto von Dentz 1729686ebf28SUlisses Furquim default: 1730686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1731686ebf28SUlisses Furquim return -EINVAL; 1732686ebf28SUlisses Furquim } 17331da177e4SLinus Torvalds } 17341da177e4SLinus Torvalds 17352950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 17362950f21aSMarcel Holtmann { 1737686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1738686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 17392950f21aSMarcel Holtmann 1740686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 17412950f21aSMarcel Holtmann } 17422950f21aSMarcel Holtmann 17431da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 17441da177e4SLinus Torvalds struct hci_cb { 17451da177e4SLinus Torvalds struct list_head list; 17461da177e4SLinus Torvalds 17471da177e4SLinus Torvalds char *name; 17481da177e4SLinus Torvalds 1749539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 17503a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 17515a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 17525a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 17531da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 17541da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 17551da177e4SLinus Torvalds }; 17561da177e4SLinus Torvalds 1757539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1758539c496dSJohan Hedberg { 1759539c496dSJohan Hedberg struct hci_cb *cb; 1760539c496dSJohan Hedberg 1761539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1762539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1763539c496dSJohan Hedberg if (cb->connect_cfm) 1764539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1765539c496dSJohan Hedberg } 1766539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1767539c496dSJohan Hedberg 1768539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1769539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1770539c496dSJohan Hedberg } 1771539c496dSJohan Hedberg 17723a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 17733a6d576bSJohan Hedberg { 17743a6d576bSJohan Hedberg struct hci_cb *cb; 17753a6d576bSJohan Hedberg 17763a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 17773a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 17783a6d576bSJohan Hedberg if (cb->disconn_cfm) 17793a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 17803a6d576bSJohan Hedberg } 17813a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 17823a6d576bSJohan Hedberg 17833a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 17843a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 17853a6d576bSJohan Hedberg } 17863a6d576bSJohan Hedberg 17871da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 17881da177e4SLinus Torvalds { 1789711584eaSDenis Kirjanov struct hci_cb *cb; 17908c1b2355SMarcel Holtmann __u8 encrypt; 17911da177e4SLinus Torvalds 179251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 17938c1b2355SMarcel Holtmann return; 17948c1b2355SMarcel Holtmann 17954dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 17968c1b2355SMarcel Holtmann 1797fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1798711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 17998c1b2355SMarcel Holtmann if (cb->security_cfm) 18008c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18011da177e4SLinus Torvalds } 1802fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1803354fe804SJohan Hedberg 1804354fe804SJohan Hedberg if (conn->security_cfm_cb) 1805354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18061da177e4SLinus Torvalds } 18071da177e4SLinus Torvalds 18083ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 18091da177e4SLinus Torvalds { 1810711584eaSDenis Kirjanov struct hci_cb *cb; 18113ca44c16SLuiz Augusto von Dentz __u8 encrypt; 18123ca44c16SLuiz Augusto von Dentz 18133ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1814339ddaa6SPatrick Steinhardt if (!status) 18153ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 18163ca44c16SLuiz Augusto von Dentz 18173ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 18183ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 18193ca44c16SLuiz Augusto von Dentz return; 18203ca44c16SLuiz Augusto von Dentz } 18213ca44c16SLuiz Augusto von Dentz 18223ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 18233ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 18243ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 18253ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 18263ca44c16SLuiz Augusto von Dentz else 18273ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 18281da177e4SLinus Torvalds 18298746f135SLuiz Augusto von Dentz if (!status) { 1830435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1831435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1832435fef20SMarcel Holtmann 183388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 183488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 18358746f135SLuiz Augusto von Dentz } 183688167aedSVinicius Costa Gomes 1837fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1838711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18398c1b2355SMarcel Holtmann if (cb->security_cfm) 18408c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18411da177e4SLinus Torvalds } 1842fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1843354fe804SJohan Hedberg 1844354fe804SJohan Hedberg if (conn->security_cfm_cb) 1845354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18461da177e4SLinus Torvalds } 18471da177e4SLinus Torvalds 18481da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 18491da177e4SLinus Torvalds { 1850711584eaSDenis Kirjanov struct hci_cb *cb; 18511da177e4SLinus Torvalds 1852fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1853711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18541da177e4SLinus Torvalds if (cb->key_change_cfm) 18551da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 18561da177e4SLinus Torvalds } 1857fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18581da177e4SLinus Torvalds } 18591da177e4SLinus Torvalds 18605a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 18615a9d0a3fSWaldemar Rymarkiewicz __u8 role) 18621da177e4SLinus Torvalds { 1863711584eaSDenis Kirjanov struct hci_cb *cb; 18641da177e4SLinus Torvalds 1865fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1866711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18671da177e4SLinus Torvalds if (cb->role_switch_cfm) 18681da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 18691da177e4SLinus Torvalds } 1870fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18711da177e4SLinus Torvalds } 18721da177e4SLinus Torvalds 1873301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1874301cb2d8SJohan Hedberg { 1875dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1876301cb2d8SJohan Hedberg return false; 1877301cb2d8SJohan Hedberg 1878301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1879301cb2d8SJohan Hedberg return true; 1880301cb2d8SJohan Hedberg 1881301cb2d8SJohan Hedberg return false; 1882301cb2d8SJohan Hedberg } 1883301cb2d8SJohan Hedberg 1884c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1885c46245b3SJohan Hedberg { 1886c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1887c46245b3SJohan Hedberg return true; 1888c46245b3SJohan Hedberg 1889c46245b3SJohan Hedberg /* Check for Random Static address type */ 1890c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1891c46245b3SJohan Hedberg return true; 1892c46245b3SJohan Hedberg 1893c46245b3SJohan Hedberg return false; 1894c46245b3SJohan Hedberg } 1895c46245b3SJohan Hedberg 18962426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 18972426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 18982426f3a5SJohan Hedberg { 18992426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 19002426f3a5SJohan Hedberg return NULL; 19012426f3a5SJohan Hedberg 19022426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 19032426f3a5SJohan Hedberg } 19042426f3a5SJohan Hedberg 1905d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1906d4905f24SAndre Guedes u16 to_multiplier) 1907d4905f24SAndre Guedes { 1908d4905f24SAndre Guedes u16 max_latency; 1909d4905f24SAndre Guedes 1910d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1911d4905f24SAndre Guedes return -EINVAL; 1912d4905f24SAndre Guedes 1913d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1914d4905f24SAndre Guedes return -EINVAL; 1915d4905f24SAndre Guedes 1916d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1917d4905f24SAndre Guedes return -EINVAL; 1918d4905f24SAndre Guedes 19198757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1920d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1921d4905f24SAndre Guedes return -EINVAL; 1922d4905f24SAndre Guedes 1923d4905f24SAndre Guedes return 0; 1924d4905f24SAndre Guedes } 1925d4905f24SAndre Guedes 19261da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 19271da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 19281da177e4SLinus Torvalds 1929d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1930d6ee6ad7SLoic Poulain const void *param); 193175e84b7cSJohan Hedberg 193207dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 193307dc93ddSJohan Hedberg const void *param); 193473d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 19350d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 193626afbd82SLuiz Augusto von Dentz void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); 19371da177e4SLinus Torvalds 1938a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1939dfe6d5c3SLuiz Augusto von Dentz void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); 19401da177e4SLinus Torvalds 1941eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1942eab2404bSLuiz Augusto von Dentz 19431da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1944470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 19457129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1946c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1947cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 194838ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 194938ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 195038ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 19511da177e4SLinus Torvalds 1952040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1953040030efSMarcel Holtmann 1954a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1955a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1956a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1957a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1958d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1959b9a245fbSJohan Hedberg 1960801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1961801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1962801c1e8dSJohan Hedberg u16 data_len); 1963801c1e8dSJohan Hedberg size_t data_len; 1964b9a245fbSJohan Hedberg unsigned long flags; 1965801c1e8dSJohan Hedberg }; 1966801c1e8dSJohan Hedberg 1967801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1968801c1e8dSJohan Hedberg struct list_head list; 1969801c1e8dSJohan Hedberg unsigned short channel; 1970801c1e8dSJohan Hedberg size_t handler_count; 1971801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 197288b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1973801c1e8dSJohan Hedberg }; 1974801c1e8dSJohan Hedberg 1975801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1976801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1977801c1e8dSJohan Hedberg 19780381101fSJohan Hedberg /* Management interface */ 1979591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1980591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1981591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1982591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1983591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1984591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1985f39799f5SAndre Guedes 19860d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 19870d8cc935SAndre Guedes * Discovery Procedure specification. 19880d8cc935SAndre Guedes */ 19890d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 19900d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 19913d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1992ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 19930d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 19940d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 19954b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1996cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1997cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 1998*eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ 1999*eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ 20000d8cc935SAndre Guedes 2001dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 2002dbf6811aSArchie Pusaka 200303c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 200491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 2005bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 2006bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 20073eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 20082ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 20092ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 2010dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 2011745c0ce3SVishal Agarwal bool persistent); 201248ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 20131c6ed31bSYu Liu u8 *name, u8 name_len); 20149b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 201512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 201612d4a3b2SJohan Hedberg bool mgmt_connected); 20177892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 201888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2019445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 202048264f06SJohan Hedberg u8 addr_type, u8 status); 2021ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 2022e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2023c35938b2SSzymon Janc u8 status); 20243eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2025744cf19eSJohan Hedberg u8 status); 2026744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 202739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 2028272d90dfSJohan Hedberg u8 confirm_hint); 2029744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2030272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2031272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2032272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2033272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 2034272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 2035604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2036272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2037272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2038272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 203992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 204092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 204192a25256SJohan Hedberg u8 entered); 2042e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 2043464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 20444e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 20457f9a903cSMarcel Holtmann u8 status); 20467667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 2047e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 20482154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 2049901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2050af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 2051af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 20529cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2053b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 20542f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 2055346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 2056346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 2057346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 205884c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 205953ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 2060cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 206153ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 206253ac6ab6SMarcel Holtmann bool persistent); 2063ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 2064f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 2065f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 2066f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 2067f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 2068f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 2069f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 2070f2252570SJohan Hedberg u8 instance); 2071f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 2072f2252570SJohan Hedberg u8 instance); 207366bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 2074b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 20758d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 20768d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 2077346af67bSVinicius Costa Gomes 20787d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 20797d6ca693SJohan Hedberg u16 to_multiplier); 2080fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 20818b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 20822519a1fcSAndre Guedes 2083a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 2084a1f4c318SJohan Hedberg u8 *bdaddr_type); 2085ebd3a747SJohan Hedberg 20865d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 20875d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 20885d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 20895d4d62f6SFrédéric Dalleau 20908961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 20918961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 20928961987fSKiran K 20938961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 20948961987fSKiran K 20951da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 2096