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; 240eca0ae4aSLuiz Augusto von Dentz bool periodic; 241b338d917SBrian Gix __u8 mesh; 242203fea01SArman Uguray __u8 instance; 243203fea01SArman Uguray __u32 flags; 244912098a6SArman Uguray __u16 timeout; 2455d900e46SFlorian Grandel __u16 remaining_time; 246d2609b34SFlorian Grandel __u16 duration; 247203fea01SArman Uguray __u16 adv_data_len; 248c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 24934a718bcSLuiz Augusto von Dentz bool adv_data_changed; 250203fea01SArman Uguray __u16 scan_rsp_len; 251c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 25234a718bcSLuiz Augusto von Dentz bool scan_rsp_changed; 253eca0ae4aSLuiz Augusto von Dentz __u16 per_adv_data_len; 254eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 255de181e88SJaganath Kanakkassery __s8 tx_power; 2569bf9f4b6SDaniel Winkler __u32 min_interval; 2579bf9f4b6SDaniel Winkler __u32 max_interval; 258a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 259a73c046aSJaganath Kanakkassery bool rpa_expired; 260a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 261203fea01SArman Uguray }; 262203fea01SArman Uguray 263db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 264d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 265d2609b34SFlorian Grandel 26612410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26712410572SDaniel Winkler 26834a718bcSLuiz Augusto von Dentz #define DATA_CMP(_d1, _l1, _d2, _l2) \ 26934a718bcSLuiz Augusto von Dentz (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2) 27034a718bcSLuiz Augusto von Dentz 27134a718bcSLuiz Augusto von Dentz #define ADV_DATA_CMP(_adv, _data, _len) \ 27234a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len) 27334a718bcSLuiz Augusto von Dentz 27434a718bcSLuiz Augusto von Dentz #define SCAN_RSP_CMP(_adv, _data, _len) \ 27534a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len) 27634a718bcSLuiz Augusto von Dentz 2773368aa35SManish Mandlik struct monitored_device { 2783368aa35SManish Mandlik struct list_head list; 2793368aa35SManish Mandlik 2803368aa35SManish Mandlik bdaddr_t bdaddr; 2813368aa35SManish Mandlik __u8 addr_type; 2823368aa35SManish Mandlik __u16 handle; 2833368aa35SManish Mandlik bool notified; 2843368aa35SManish Mandlik }; 2853368aa35SManish Mandlik 286e5e1e7fdSMiao-chen Chou struct adv_pattern { 287e5e1e7fdSMiao-chen Chou struct list_head list; 288e5e1e7fdSMiao-chen Chou __u8 ad_type; 289e5e1e7fdSMiao-chen Chou __u8 offset; 290e5e1e7fdSMiao-chen Chou __u8 length; 291e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 292e5e1e7fdSMiao-chen Chou }; 293e5e1e7fdSMiao-chen Chou 294b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 295b4a221eaSArchie Pusaka __s8 low_threshold; 296b4a221eaSArchie Pusaka __s8 high_threshold; 297b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 298b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 299b4a221eaSArchie Pusaka __u8 sampling_period; 300b4a221eaSArchie Pusaka }; 301b4a221eaSArchie Pusaka 302e5e1e7fdSMiao-chen Chou struct adv_monitor { 303e5e1e7fdSMiao-chen Chou struct list_head patterns; 304b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 305e5e1e7fdSMiao-chen Chou __u16 handle; 306a2a4dedfSArchie Pusaka 307a2a4dedfSArchie Pusaka enum { 308a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 309a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 310a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 311a2a4dedfSArchie Pusaka } state; 312e5e1e7fdSMiao-chen Chou }; 313e5e1e7fdSMiao-chen Chou 314e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 315e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 316e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 317a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 318a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 319e5e1e7fdSMiao-chen Chou 320490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 321490c5babSJohan Hedberg 322d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_UNSET 0xffff 323d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 324d5ebaa7cSSoenke Huster 325d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 326d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 327d5bb334aSMarcel Holtmann 328d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 329d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 330d6bfd59cSJohan Hedberg 33131ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 33231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 33331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 334302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 335302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 33631ad1691SAndrzej Kaczmarek 337903e4541SAndrei Emeltchenko struct amp_assoc { 338903e4541SAndrei Emeltchenko __u16 len; 339903e4541SAndrei Emeltchenko __u16 offset; 34093c284eeSAndrei Emeltchenko __u16 rem_len; 34193c284eeSAndrei Emeltchenko __u16 len_so_far; 342903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 343903e4541SAndrei Emeltchenko }; 344903e4541SAndrei Emeltchenko 345d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 346cad718edSJohan Hedberg 3471da177e4SLinus Torvalds struct hci_dev { 3481da177e4SLinus Torvalds struct list_head list; 34909fd0de5SGustavo F. Padovan struct mutex lock; 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds char name[8]; 3521da177e4SLinus Torvalds unsigned long flags; 3531da177e4SLinus Torvalds __u16 id; 354c13854ceSMarcel Holtmann __u8 bus; 355943da25dSMarcel Holtmann __u8 dev_type; 3561da177e4SLinus Torvalds bdaddr_t bdaddr; 357e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 35824c457e2SMarcel Holtmann bdaddr_t public_addr; 3597a4cd51dSMarcel Holtmann bdaddr_t random_addr; 360d13eafceSMarcel Holtmann bdaddr_t static_addr; 36156ed2cb8SJohan Hedberg __u8 adv_addr_type; 3621f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 363490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 36480a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 365c4960ecfSMichał Narajowski __u16 appearance; 366a9de9248SMarcel Holtmann __u8 dev_class[3]; 3671aff6f09SJohan Hedberg __u8 major_class; 3681aff6f09SJohan Hedberg __u8 minor_class; 369d2c5d77fSJohan Hedberg __u8 max_page; 370cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 37160e77321SJohan Hedberg __u8 le_features[8]; 3723d4f9c00SArchie Pusaka __u8 le_accept_list_size; 373cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3746b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3759b008c04SJohan Hedberg __u8 le_states[8]; 376b338d917SBrian Gix __u8 mesh_ad_types[16]; 377b338d917SBrian Gix __u8 mesh_send_ref; 378a9de9248SMarcel Holtmann __u8 commands[64]; 3791143e5a6SMarcel Holtmann __u8 hci_ver; 3801143e5a6SMarcel Holtmann __u16 hci_rev; 381d5859e22SJohan Hedberg __u8 lmp_ver; 3821143e5a6SMarcel Holtmann __u16 manufacturer; 3837d69230cSAndrei Emeltchenko __u16 lmp_subver; 3841da177e4SLinus Torvalds __u16 voice_setting; 385b4cb9fb2SMarcel Holtmann __u8 num_iac; 386e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 387e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 38817fa4b9dSJohan Hedberg __u8 io_capability; 38991c4e9b1SMarcel Holtmann __s8 inq_tx_power; 39000bce3fbSAlain Michaud __u8 err_data_reporting; 391f332ec66SJohan Hedberg __u16 page_scan_interval; 392f332ec66SJohan Hedberg __u16 page_scan_window; 393f332ec66SJohan Hedberg __u8 page_scan_type; 3943f959d46SMarcel Holtmann __u8 le_adv_channel_map; 395628531c9SGeorg Lukas __u16 le_adv_min_interval; 396628531c9SGeorg Lukas __u16 le_adv_max_interval; 397533553f8SMarcel Holtmann __u8 le_scan_type; 398bef64738SMarcel Holtmann __u16 le_scan_interval; 399bef64738SMarcel Holtmann __u16 le_scan_window; 40010873f99SAlain Michaud __u16 le_scan_int_suspend; 40110873f99SAlain Michaud __u16 le_scan_window_suspend; 40210873f99SAlain Michaud __u16 le_scan_int_discovery; 40310873f99SAlain Michaud __u16 le_scan_window_discovery; 40410873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 40510873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 40610873f99SAlain Michaud __u16 le_scan_int_connect; 40710873f99SAlain Michaud __u16 le_scan_window_connect; 4084e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 4094e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 41004fb7d90SMarcel Holtmann __u16 le_conn_latency; 41104fb7d90SMarcel Holtmann __u16 le_supv_timeout; 412a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 413a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 414a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 415a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 416a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 417a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 41830d65e08SMatias Karhumaa __u8 le_max_key_size; 41930d65e08SMatias Karhumaa __u8 le_min_key_size; 420b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 42131ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 42231ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 423302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 42458a96fc3SMarcel Holtmann __u8 min_enc_key_size; 425a4790360SMarcel Holtmann __u8 max_enc_key_size; 426a4790360SMarcel Holtmann __u8 pairing_opts; 42706f5b778SMarcel Holtmann __u8 ssp_debug_mode; 428c7741d16SMarcel Holtmann __u8 hw_error_code; 42933f35721SJohan Hedberg __u32 clock; 430c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 431c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 43280af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 433f332ec66SJohan Hedberg 4342b9be137SMarcel Holtmann __u16 devid_source; 4352b9be137SMarcel Holtmann __u16 devid_vendor; 4362b9be137SMarcel Holtmann __u16 devid_product; 4372b9be137SMarcel Holtmann __u16 devid_version; 4381da177e4SLinus Torvalds 43910873f99SAlain Michaud __u8 def_page_scan_type; 44010873f99SAlain Michaud __u16 def_page_scan_int; 44110873f99SAlain Michaud __u16 def_page_scan_window; 44210873f99SAlain Michaud __u8 def_inq_scan_type; 44310873f99SAlain Michaud __u16 def_inq_scan_int; 44410873f99SAlain Michaud __u16 def_inq_scan_window; 44510873f99SAlain Michaud __u16 def_br_lsto; 44610873f99SAlain Michaud __u16 def_page_timeout; 44710873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 44849b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4497c395ea5SDaniel Winkler __s8 min_le_tx_power; 4507c395ea5SDaniel Winkler __s8 max_le_tx_power; 45110873f99SAlain Michaud 4521da177e4SLinus Torvalds __u16 pkt_type; 4535b7f9909SMarcel Holtmann __u16 esco_type; 4541da177e4SLinus Torvalds __u16 link_policy; 4551da177e4SLinus Torvalds __u16 link_mode; 4561da177e4SLinus Torvalds 45704837f64SMarcel Holtmann __u32 idle_timeout; 45804837f64SMarcel Holtmann __u16 sniff_min_interval; 45904837f64SMarcel Holtmann __u16 sniff_max_interval; 46004837f64SMarcel Holtmann 461928abaa7SAndrei Emeltchenko __u8 amp_status; 462928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 463928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 464928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 465928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 466928abaa7SAndrei Emeltchenko __u8 amp_type; 467928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 468928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 469928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 470928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 471928abaa7SAndrei Emeltchenko 472903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 473903e4541SAndrei Emeltchenko 4741e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4751e89cffbSAndrei Emeltchenko 4769f61656aSJohan Hedberg unsigned int auto_accept_delay; 4779f61656aSJohan Hedberg 4781da177e4SLinus Torvalds unsigned long quirks; 4791da177e4SLinus Torvalds 4801da177e4SLinus Torvalds atomic_t cmd_cnt; 4811da177e4SLinus Torvalds unsigned int acl_cnt; 4821da177e4SLinus Torvalds unsigned int sco_cnt; 4836ed58ec5SVille Tervo unsigned int le_cnt; 48426afbd82SLuiz Augusto von Dentz unsigned int iso_cnt; 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds unsigned int acl_mtu; 4871da177e4SLinus Torvalds unsigned int sco_mtu; 4886ed58ec5SVille Tervo unsigned int le_mtu; 48926afbd82SLuiz Augusto von Dentz unsigned int iso_mtu; 4901da177e4SLinus Torvalds unsigned int acl_pkts; 4911da177e4SLinus Torvalds unsigned int sco_pkts; 4926ed58ec5SVille Tervo unsigned int le_pkts; 49326afbd82SLuiz Augusto von Dentz unsigned int iso_pkts; 4941da177e4SLinus Torvalds 495350ee4cfSAndrei Emeltchenko __u16 block_len; 496350ee4cfSAndrei Emeltchenko __u16 block_mtu; 497350ee4cfSAndrei Emeltchenko __u16 num_blocks; 498350ee4cfSAndrei Emeltchenko __u16 block_cnt; 499350ee4cfSAndrei Emeltchenko 5001da177e4SLinus Torvalds unsigned long acl_last_tx; 5011da177e4SLinus Torvalds unsigned long sco_last_tx; 5026ed58ec5SVille Tervo unsigned long le_last_tx; 5031da177e4SLinus Torvalds 5046decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 5056decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 5066decb5b4SJaganath Kanakkassery 507f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 5086ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 509f48fd9c8SMarcel Holtmann 510ab81cbf9SJohan Hedberg struct work_struct power_on; 5113243553fSJohan Hedberg struct delayed_work power_off; 512c7741d16SMarcel Holtmann struct work_struct error_reset; 5136a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 5146a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 5156a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 516744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 517b338d917SBrian Gix struct work_struct reenable_adv_work; 518ab81cbf9SJohan Hedberg 51916ab91abSJohan Hedberg __u16 discov_timeout; 52016ab91abSJohan Hedberg struct delayed_work discov_off; 52116ab91abSJohan Hedberg 5227d78525dSJohan Hedberg struct delayed_work service_cache; 5237d78525dSJohan Hedberg 52465cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 525de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 526b78752ccSMarcel Holtmann 527b78752ccSMarcel Holtmann struct work_struct rx_work; 528c347b765SGustavo F. Padovan struct work_struct cmd_work; 5293eff45eaSGustavo F. Padovan struct work_struct tx_work; 5301da177e4SLinus Torvalds 5317c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5327c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5332e93e53bSJohan Hedberg 5341da177e4SLinus Torvalds struct sk_buff_head rx_q; 5351da177e4SLinus Torvalds struct sk_buff_head raw_q; 5361da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds struct sk_buff *sent_cmd; 539dfe6d5c3SLuiz Augusto von Dentz struct sk_buff *recv_event; 5401da177e4SLinus Torvalds 541a6a67efdSThomas Gleixner struct mutex req_lock; 5421da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5431da177e4SLinus Torvalds __u32 req_status; 5441da177e4SLinus Torvalds __u32 req_result; 545f60cb305SJohan Hedberg struct sk_buff *req_skb; 546a5040efaSJohan Hedberg 54770db83c4SJohan Hedberg void *smp_data; 548ef8efe4bSJohan Hedberg void *smp_bredr_data; 5492e58ef3eSJohan Hedberg 55030883512SJohan Hedberg struct discovery_state discovery; 5519952d90eSAbhishek Pandit-Subedi 5524867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5534867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5544867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5554867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5564867bd00SAbhishek Pandit-Subedi 5579952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5589952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5599952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5604f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5614f40afc6SAbhishek Pandit-Subedi bool suspended; 5622f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5632f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5642f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5659952d90eSAbhishek Pandit-Subedi 5661da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5675c136e90SAndre Guedes 568b338d917SBrian Gix struct list_head mesh_pending; 5695c136e90SAndre Guedes struct list_head mgmt_pending; 5703d4f9c00SArchie Pusaka struct list_head reject_list; 5713d4f9c00SArchie Pusaka struct list_head accept_list; 5722aeb9a1aSJohan Hedberg struct list_head uuids; 57355ed8ca1SJohan Hedberg struct list_head link_keys; 574b899efafSVinicius Costa Gomes struct list_head long_term_keys; 575970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5762763eda6SSzymon Janc struct list_head remote_oob_data; 5773d4f9c00SArchie Pusaka struct list_head le_accept_list; 578cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 57915819a70SAndre Guedes struct list_head le_conn_params; 58077a77a30SAndre Guedes struct list_head pend_le_conns; 58166f8455aSJohan Hedberg struct list_head pend_le_reports; 582600a8749SAlain Michaud struct list_head blocked_keys; 5838961987fSKiran K struct list_head local_codecs; 5842763eda6SSzymon Janc 5851da177e4SLinus Torvalds struct hci_dev_stats stat; 5861da177e4SLinus Torvalds 5871da177e4SLinus Torvalds atomic_t promisc; 5881da177e4SLinus Torvalds 5895177a838SMarcel Holtmann const char *hw_info; 5905177a838SMarcel Holtmann const char *fw_info; 591ca325f69SMarcel Holtmann struct dentry *debugfs; 592ca325f69SMarcel Holtmann 593a91f2e39SMarcel Holtmann struct device dev; 5941da177e4SLinus Torvalds 595611b30f7SMarcel Holtmann struct rfkill *rfkill; 596611b30f7SMarcel Holtmann 597eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 598e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 599d23264a8SAndre Guedes 6008fa19098SJohan Hedberg __s8 adv_tx_power; 601c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 6023f0f524bSJohan Hedberg __u8 adv_data_len; 603c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 604f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 605eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH]; 606eca0ae4aSLuiz Augusto von Dentz __u8 per_adv_data_len; 6078fa19098SJohan Hedberg 608d2609b34SFlorian Grandel struct list_head adv_instances; 609d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 610d2609b34SFlorian Grandel __u8 cur_adv_instance; 6115d900e46SFlorian Grandel __u16 adv_instance_timeout; 6125d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 613203fea01SArman Uguray 614e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 615e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 616e5e1e7fdSMiao-chen Chou 617863efaf2SJohan Hedberg __u8 irk[16]; 618d6bfd59cSJohan Hedberg __u32 rpa_timeout; 619d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6202b5224dcSMarcel Holtmann bdaddr_t rpa; 621863efaf2SJohan Hedberg 622b338d917SBrian Gix struct delayed_work mesh_send_done; 623b338d917SBrian Gix 624c4f1f408SHoward Chung enum { 625c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 626c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 627c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 628c4f1f408SHoward Chung } interleave_scan_state; 629c4f1f408SHoward Chung 630c4f1f408SHoward Chung struct delayed_work interleave_scan; 631c4f1f408SHoward Chung 6323368aa35SManish Mandlik struct list_head monitored_devices; 6338d7f1677SManish Mandlik bool advmon_pend_notify; 6343368aa35SManish Mandlik 63553f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6366d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 63753f863a6SMarcel Holtmann #endif 6386d5d2ee6SHeiner Kallweit 639145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 640145373cbSMiao-chen Chou __u16 msft_opcode; 641145373cbSMiao-chen Chou void *msft_data; 642a61d6718SMarcel Holtmann bool msft_curve_validity; 643145373cbSMiao-chen Chou #endif 644145373cbSMiao-chen Chou 645f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 646f67743f9SMarcel Holtmann bool aosp_capable; 647749a6c59SJoseph Hwang bool aosp_quality_report; 648f67743f9SMarcel Holtmann #endif 649f67743f9SMarcel Holtmann 6501da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6511da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6521da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 653f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 654a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6557bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6561da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 657c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 65898a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6594b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 66024c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 661e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 662c9209b26SArchie Pusaka void (*reset)(struct hci_dev *hdev); 6634539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 664ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 665248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6669798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6679798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6689798fbdeSKiran K __u8 **vnd_data); 6691da177e4SLinus Torvalds }; 6701da177e4SLinus Torvalds 67153502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 67253502d69SAndrei Emeltchenko 67376b13996SManish Mandlik enum conn_reasons { 67476b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 67576b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 67676b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 67726afbd82SLuiz Augusto von Dentz CONN_REASON_ISO_CONNECT, 67876b13996SManish Mandlik }; 67976b13996SManish Mandlik 6801da177e4SLinus Torvalds struct hci_conn { 6811da177e4SLinus Torvalds struct list_head list; 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds atomic_t refcnt; 6841da177e4SLinus Torvalds 6851da177e4SLinus Torvalds bdaddr_t dst; 68629b7988aSAndre Guedes __u8 dst_type; 687662e8820SMarcel Holtmann bdaddr_t src; 688e7c4096eSMarcel Holtmann __u8 src_type; 689cb1d68f7SJohan Hedberg bdaddr_t init_addr; 690cb1d68f7SJohan Hedberg __u8 init_addr_type; 691cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 692cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6937087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6941da177e4SLinus Torvalds __u16 handle; 695eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle; 6961da177e4SLinus Torvalds __u16 state; 69704837f64SMarcel Holtmann __u8 mode; 6981da177e4SLinus Torvalds __u8 type; 69940bef302SJohan Hedberg __u8 role; 700a0c808b3SJohan Hedberg bool out; 7014c67bc74SMarcel Holtmann __u8 attempt; 7021da177e4SLinus Torvalds __u8 dev_class[3]; 703cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 704a8746417SMarcel Holtmann __u16 pkt_type; 70504837f64SMarcel Holtmann __u16 link_policy; 70613d39315SWaldemar Rymarkiewicz __u8 key_type; 70740be492fSMarcel Holtmann __u8 auth_type; 7088c1b2355SMarcel Holtmann __u8 sec_level; 709765c2a96SJohan Hedberg __u8 pending_sec_level; 710980e1a53SJohan Hedberg __u8 pin_length; 711726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 71217fa4b9dSJohan Hedberg __u8 io_capability; 71392a25256SJohan Hedberg __u32 passkey_notify; 71492a25256SJohan Hedberg __u8 passkey_entered; 715052b30b0SMarcel Holtmann __u16 disc_timeout; 71609ae260bSJohan Hedberg __u16 conn_timeout; 71710c62ddcSFrédéric Dalleau __u16 setting; 718302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7191e406eefSAndre Guedes __u16 le_conn_min_interval; 7201e406eefSAndre Guedes __u16 le_conn_max_interval; 721e04fde60SMarcel Holtmann __u16 le_conn_interval; 722e04fde60SMarcel Holtmann __u16 le_conn_latency; 723e04fde60SMarcel Holtmann __u16 le_supv_timeout; 724fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 725fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 726eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH]; 727eca0ae4aSLuiz Augusto von Dentz __u8 le_per_adv_data_len; 7281efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7291efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7305ae76a94SAndrzej Kaczmarek __s8 rssi; 7315a134faeSAndrzej Kaczmarek __s8 tx_power; 732d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 73326afbd82SLuiz Augusto von Dentz struct bt_iso_qos iso_qos; 73451a8efd7SJohan Hedberg unsigned long flags; 7351da177e4SLinus Torvalds 73676b13996SManish Mandlik enum conn_reasons conn_reason; 73776b13996SManish Mandlik 73833f35721SJohan Hedberg __u32 clock; 73933f35721SJohan Hedberg __u16 clock_accuracy; 74033f35721SJohan Hedberg 741dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 742dd983808SAndrzej Kaczmarek 74303b555e1SJohan Hedberg __u8 remote_cap; 74403b555e1SJohan Hedberg __u8 remote_auth; 7453161ae1cSAndrei Emeltchenko __u8 remote_id; 74603b555e1SJohan Hedberg 7471da177e4SLinus Torvalds unsigned int sent; 7481da177e4SLinus Torvalds 7491da177e4SLinus Torvalds struct sk_buff_head data_q; 7502c33c06aSGustavo F. Padovan struct list_head chan_list; 7511da177e4SLinus Torvalds 75219c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7537bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 754a74a84f6SJohan Hedberg struct delayed_work idle_work; 7559489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7568ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7571da177e4SLinus Torvalds 758b219e3acSMarcel Holtmann struct device dev; 75923b9ceb7SMarcel Holtmann struct dentry *debugfs; 760b219e3acSMarcel Holtmann 7611da177e4SLinus Torvalds struct hci_dev *hdev; 7621da177e4SLinus Torvalds void *l2cap_data; 7631da177e4SLinus Torvalds void *sco_data; 76426afbd82SLuiz Augusto von Dentz void *iso_data; 7659740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds struct hci_conn *link; 768b2af264aSKiran K struct bt_codec codec; 769e9a416b5SJohan Hedberg 770e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 771e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 772e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 77326afbd82SLuiz Augusto von Dentz 77426afbd82SLuiz Augusto von Dentz void (*cleanup)(struct hci_conn *conn); 7751da177e4SLinus Torvalds }; 7761da177e4SLinus Torvalds 77773d80debSLuiz Augusto von Dentz struct hci_chan { 77873d80debSLuiz Augusto von Dentz struct list_head list; 77942c4e53eSAndrei Emeltchenko __u16 handle; 78073d80debSLuiz Augusto von Dentz struct hci_conn *conn; 78173d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 78273d80debSLuiz Augusto von Dentz unsigned int sent; 783168df8e5SMat Martineau __u8 state; 7845c4c8c95SArchie Pusaka bool amp; 78573d80debSLuiz Augusto von Dentz }; 78673d80debSLuiz Augusto von Dentz 78715819a70SAndre Guedes struct hci_conn_params { 78815819a70SAndre Guedes struct list_head list; 78993450c75SJohan Hedberg struct list_head action; 79015819a70SAndre Guedes 79115819a70SAndre Guedes bdaddr_t addr; 79215819a70SAndre Guedes u8 addr_type; 79315819a70SAndre Guedes 79415819a70SAndre Guedes u16 conn_min_interval; 79515819a70SAndre Guedes u16 conn_max_interval; 796f044eb05SMarcel Holtmann u16 conn_latency; 797f044eb05SMarcel Holtmann u16 supervision_timeout; 7989fcb18efSAndre Guedes 7999fcb18efSAndre Guedes enum { 8009fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 801a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 8024b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 8039fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 8049fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 805158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 8069fcb18efSAndre Guedes } auto_connect; 807f161dd41SJohan Hedberg 808f161dd41SJohan Hedberg struct hci_conn *conn; 809158e9218SJakub Pawlowski bool explicit_connect; 810e1cff700SLinus Torvalds hci_conn_flags_t flags; 811853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 81215819a70SAndre Guedes }; 81315819a70SAndre Guedes 8141da177e4SLinus Torvalds extern struct list_head hci_dev_list; 8151da177e4SLinus Torvalds extern struct list_head hci_cb_list; 8161da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 817fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 8181da177e4SLinus Torvalds 819eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 820eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 821eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 822eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 823eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 824eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 825eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 826d7a5a11dSMarcel Holtmann 827eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 828eacb44dfSMarcel Holtmann do { \ 829eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 830eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8312eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 832eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 833ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 834eacb44dfSMarcel Holtmann } while (0) 835516018a9SMarcel Holtmann 8364fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8374fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8384fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8394fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8404fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8414fc9857aSLuiz Augusto von Dentz 842686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 843e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 844e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8459b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 846686ebf28SUlisses Furquim 847ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 848e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8499b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 850ff50e8afSArron Wang #else 851ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 852ff50e8afSArron Wang __u8 *flags) 853ff50e8afSArron Wang { 854ff50e8afSArron Wang return 0; 855ff50e8afSArron Wang } 856ff50e8afSArron Wang 857ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 858ff50e8afSArron Wang { 859ff50e8afSArron Wang } 860ff50e8afSArron Wang #endif 861686ebf28SUlisses Furquim 862ccf74f23SLuiz Augusto von Dentz #if IS_ENABLED(CONFIG_BT_LE) 863ccf74f23SLuiz Augusto von Dentz int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 864ccf74f23SLuiz Augusto von Dentz void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 865ccf74f23SLuiz Augusto von Dentz #else 866ccf74f23SLuiz Augusto von Dentz static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 867ccf74f23SLuiz Augusto von Dentz __u8 *flags) 868ccf74f23SLuiz Augusto von Dentz { 869ccf74f23SLuiz Augusto von Dentz return 0; 870ccf74f23SLuiz Augusto von Dentz } 871ccf74f23SLuiz Augusto von Dentz static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, 872ccf74f23SLuiz Augusto von Dentz u16 flags) 873ccf74f23SLuiz Augusto von Dentz { 874ccf74f23SLuiz Augusto von Dentz } 875ccf74f23SLuiz Augusto von Dentz #endif 876ccf74f23SLuiz Augusto von Dentz 8771da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 87870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 87970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8801da177e4SLinus Torvalds 88130883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8821da177e4SLinus Torvalds { 883ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 88430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 88530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 88630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 887da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 88837eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8891da177e4SLinus Torvalds } 8901da177e4SLinus Torvalds 8910256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8920256325eSMarcel Holtmann { 89382f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 894da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8950256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8960256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8970256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8980256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8992d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 9002d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 9010256325eSMarcel Holtmann } 9020256325eSMarcel Holtmann 90330dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 90430dc78e1SJohan Hedberg 905ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 906ff9ef578SJohan Hedberg 9071da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 9081da177e4SLinus Torvalds { 90930883512SJohan Hedberg return list_empty(&hdev->discovery.all); 9101da177e4SLinus Torvalds } 9111da177e4SLinus Torvalds 9121da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 9131da177e4SLinus Torvalds { 91430883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 9151da177e4SLinus Torvalds return jiffies - c->timestamp; 9161da177e4SLinus Torvalds } 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 9191da177e4SLinus Torvalds { 9201da177e4SLinus Torvalds return jiffies - e->timestamp; 9211da177e4SLinus Torvalds } 9221da177e4SLinus Torvalds 9235a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 9245a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 925561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 926561aafbcSJohan Hedberg bdaddr_t *bdaddr); 92730dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 92830dc78e1SJohan Hedberg bdaddr_t *bdaddr, 92930dc78e1SJohan Hedberg int state); 930a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 931a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 932af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 933af58925cSMarcel Holtmann bool name_known); 9341f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 9351da177e4SLinus Torvalds 9361da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 9371da177e4SLinus Torvalds enum { 9381da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 93919f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9401da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 94104837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 94204837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 943e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 944b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 94558a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 946eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 947abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 94858a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 949af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9504dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9514dae2798SJohan Hedberg HCI_CONN_AUTH, 9524dae2798SJohan Hedberg HCI_CONN_SECURE, 9534dae2798SJohan Hedberg HCI_CONN_FIPS, 954fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 955977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 956f94b665dSJohan Hedberg HCI_CONN_DROP, 95789cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 958fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 959158e9218SJakub Pawlowski HCI_CONN_SCANNING, 960160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 961eca0ae4aSLuiz Augusto von Dentz HCI_CONN_PER_ADV, 9621da177e4SLinus Torvalds }; 9631da177e4SLinus Torvalds 964aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 965aa64a8b5SJohan Hedberg { 966aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 967d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 968c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 969aa64a8b5SJohan Hedberg } 970aa64a8b5SJohan Hedberg 971eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 972eb9a8f3fSMarcel Holtmann { 973eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 974d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 975eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 976eb9a8f3fSMarcel Holtmann } 977eb9a8f3fSMarcel Holtmann 9781da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9791da177e4SLinus Torvalds { 9801da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 981bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 982fcd89c09SVille Tervo switch (c->type) { 983fcd89c09SVille Tervo case ACL_LINK: 9841da177e4SLinus Torvalds h->acl_num++; 985fcd89c09SVille Tervo break; 986bd1eb66bSAndrei Emeltchenko case AMP_LINK: 987bd1eb66bSAndrei Emeltchenko h->amp_num++; 988bd1eb66bSAndrei Emeltchenko break; 989fcd89c09SVille Tervo case LE_LINK: 990fcd89c09SVille Tervo h->le_num++; 991f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 99239bc74caSArchie Pusaka h->le_num_peripheral++; 993fcd89c09SVille Tervo break; 994fcd89c09SVille Tervo case SCO_LINK: 995fcd89c09SVille Tervo case ESCO_LINK: 9961da177e4SLinus Torvalds h->sco_num++; 997fcd89c09SVille Tervo break; 99826afbd82SLuiz Augusto von Dentz case ISO_LINK: 99926afbd82SLuiz Augusto von Dentz h->iso_num++; 100026afbd82SLuiz Augusto von Dentz break; 1001fcd89c09SVille Tervo } 10021da177e4SLinus Torvalds } 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 10051da177e4SLinus Torvalds { 10061da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 1007bf4c6325SGustavo F. Padovan 1008bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 1009bf4c6325SGustavo F. Padovan synchronize_rcu(); 1010bf4c6325SGustavo F. Padovan 1011fcd89c09SVille Tervo switch (c->type) { 1012fcd89c09SVille Tervo case ACL_LINK: 10131da177e4SLinus Torvalds h->acl_num--; 1014fcd89c09SVille Tervo break; 1015bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1016bd1eb66bSAndrei Emeltchenko h->amp_num--; 1017bd1eb66bSAndrei Emeltchenko break; 1018fcd89c09SVille Tervo case LE_LINK: 1019fcd89c09SVille Tervo h->le_num--; 1020f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 102139bc74caSArchie Pusaka h->le_num_peripheral--; 1022fcd89c09SVille Tervo break; 1023fcd89c09SVille Tervo case SCO_LINK: 1024fcd89c09SVille Tervo case ESCO_LINK: 10251da177e4SLinus Torvalds h->sco_num--; 1026fcd89c09SVille Tervo break; 102726afbd82SLuiz Augusto von Dentz case ISO_LINK: 102826afbd82SLuiz Augusto von Dentz h->iso_num--; 102926afbd82SLuiz Augusto von Dentz break; 1030fcd89c09SVille Tervo } 10311da177e4SLinus Torvalds } 10321da177e4SLinus Torvalds 103352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 103452087a79SLuiz Augusto von Dentz { 103552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 103652087a79SLuiz Augusto von Dentz switch (type) { 103752087a79SLuiz Augusto von Dentz case ACL_LINK: 103852087a79SLuiz Augusto von Dentz return h->acl_num; 1039bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1040bd1eb66bSAndrei Emeltchenko return h->amp_num; 104152087a79SLuiz Augusto von Dentz case LE_LINK: 104252087a79SLuiz Augusto von Dentz return h->le_num; 104352087a79SLuiz Augusto von Dentz case SCO_LINK: 104452087a79SLuiz Augusto von Dentz case ESCO_LINK: 104552087a79SLuiz Augusto von Dentz return h->sco_num; 104626afbd82SLuiz Augusto von Dentz case ISO_LINK: 104726afbd82SLuiz Augusto von Dentz return h->iso_num; 104852087a79SLuiz Augusto von Dentz default: 104952087a79SLuiz Augusto von Dentz return 0; 105052087a79SLuiz Augusto von Dentz } 105152087a79SLuiz Augusto von Dentz } 105252087a79SLuiz Augusto von Dentz 1053f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1054f4f07505SJohan Hedberg { 1055f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1056f4f07505SJohan Hedberg 105726afbd82SLuiz Augusto von Dentz return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num; 1058f4f07505SJohan Hedberg } 1059f4f07505SJohan Hedberg 1060845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1061845472e8SMarcel Holtmann { 1062845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1063845472e8SMarcel Holtmann struct hci_conn *c; 1064845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1065845472e8SMarcel Holtmann 1066845472e8SMarcel Holtmann rcu_read_lock(); 1067845472e8SMarcel Holtmann 1068845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1069845472e8SMarcel Holtmann if (c->handle == handle) { 1070845472e8SMarcel Holtmann type = c->type; 1071845472e8SMarcel Holtmann break; 1072845472e8SMarcel Holtmann } 1073845472e8SMarcel Holtmann } 1074845472e8SMarcel Holtmann 1075845472e8SMarcel Holtmann rcu_read_unlock(); 1076845472e8SMarcel Holtmann 1077845472e8SMarcel Holtmann return type; 1078845472e8SMarcel Holtmann } 1079845472e8SMarcel Holtmann 1080eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev, 1081eca0ae4aSLuiz Augusto von Dentz bdaddr_t *ba, 1082eca0ae4aSLuiz Augusto von Dentz __u8 big, __u8 bis) 1083eca0ae4aSLuiz Augusto von Dentz { 1084eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1085eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1086eca0ae4aSLuiz Augusto von Dentz 1087eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1088eca0ae4aSLuiz Augusto von Dentz 1089eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1090eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, ba) || c->type != ISO_LINK) 1091eca0ae4aSLuiz Augusto von Dentz continue; 1092eca0ae4aSLuiz Augusto von Dentz 1093eca0ae4aSLuiz Augusto von Dentz if (c->iso_qos.big == big && c->iso_qos.bis == bis) { 1094eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1095eca0ae4aSLuiz Augusto von Dentz return c; 1096eca0ae4aSLuiz Augusto von Dentz } 1097eca0ae4aSLuiz Augusto von Dentz } 1098eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1099eca0ae4aSLuiz Augusto von Dentz 1100eca0ae4aSLuiz Augusto von Dentz return NULL; 1101eca0ae4aSLuiz Augusto von Dentz } 1102eca0ae4aSLuiz Augusto von Dentz 11031da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 11041da177e4SLinus Torvalds __u16 handle) 11051da177e4SLinus Torvalds { 11061da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11071da177e4SLinus Torvalds struct hci_conn *c; 11081da177e4SLinus Torvalds 1109bf4c6325SGustavo F. Padovan rcu_read_lock(); 1110bf4c6325SGustavo F. Padovan 1111bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1112bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1113bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11141da177e4SLinus Torvalds return c; 11151da177e4SLinus Torvalds } 1116bf4c6325SGustavo F. Padovan } 1117bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1118bf4c6325SGustavo F. Padovan 11191da177e4SLinus Torvalds return NULL; 11201da177e4SLinus Torvalds } 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 11231da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 11241da177e4SLinus Torvalds { 11251da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 11261da177e4SLinus Torvalds struct hci_conn *c; 11271da177e4SLinus Torvalds 1128bf4c6325SGustavo F. Padovan rcu_read_lock(); 1129bf4c6325SGustavo F. Padovan 1130bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1131bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1132bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11331da177e4SLinus Torvalds return c; 11341da177e4SLinus Torvalds } 1135bf4c6325SGustavo F. Padovan } 1136bf4c6325SGustavo F. Padovan 1137bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1138bf4c6325SGustavo F. Padovan 11391da177e4SLinus Torvalds return NULL; 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds 11421b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 11431b51c7b6SJohan Hedberg bdaddr_t *ba, 11441b51c7b6SJohan Hedberg __u8 ba_type) 11451b51c7b6SJohan Hedberg { 11461b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 11471b51c7b6SJohan Hedberg struct hci_conn *c; 11481b51c7b6SJohan Hedberg 11491b51c7b6SJohan Hedberg rcu_read_lock(); 11501b51c7b6SJohan Hedberg 11511b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 11521b51c7b6SJohan Hedberg if (c->type != LE_LINK) 11531b51c7b6SJohan Hedberg continue; 11541b51c7b6SJohan Hedberg 11551b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 11561b51c7b6SJohan Hedberg rcu_read_unlock(); 11571b51c7b6SJohan Hedberg return c; 11581b51c7b6SJohan Hedberg } 11591b51c7b6SJohan Hedberg } 11601b51c7b6SJohan Hedberg 11611b51c7b6SJohan Hedberg rcu_read_unlock(); 11621b51c7b6SJohan Hedberg 11631b51c7b6SJohan Hedberg return NULL; 11641b51c7b6SJohan Hedberg } 11651b51c7b6SJohan Hedberg 116626afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev, 116726afbd82SLuiz Augusto von Dentz bdaddr_t *ba, 116826afbd82SLuiz Augusto von Dentz __u8 ba_type) 116926afbd82SLuiz Augusto von Dentz { 117026afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 117126afbd82SLuiz Augusto von Dentz struct hci_conn *c; 117226afbd82SLuiz Augusto von Dentz 117326afbd82SLuiz Augusto von Dentz rcu_read_lock(); 117426afbd82SLuiz Augusto von Dentz 117526afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 117626afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 117726afbd82SLuiz Augusto von Dentz continue; 117826afbd82SLuiz Augusto von Dentz 117926afbd82SLuiz Augusto von Dentz if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 118026afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 118126afbd82SLuiz Augusto von Dentz return c; 118226afbd82SLuiz Augusto von Dentz } 118326afbd82SLuiz Augusto von Dentz } 118426afbd82SLuiz Augusto von Dentz 118526afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 118626afbd82SLuiz Augusto von Dentz 118726afbd82SLuiz Augusto von Dentz return NULL; 118826afbd82SLuiz Augusto von Dentz } 118926afbd82SLuiz Augusto von Dentz 119026afbd82SLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev, 119126afbd82SLuiz Augusto von Dentz __u8 handle) 119226afbd82SLuiz Augusto von Dentz { 119326afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 119426afbd82SLuiz Augusto von Dentz struct hci_conn *c; 119526afbd82SLuiz Augusto von Dentz 119626afbd82SLuiz Augusto von Dentz rcu_read_lock(); 119726afbd82SLuiz Augusto von Dentz 119826afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 119926afbd82SLuiz Augusto von Dentz if (c->type != ISO_LINK) 120026afbd82SLuiz Augusto von Dentz continue; 120126afbd82SLuiz Augusto von Dentz 120226afbd82SLuiz Augusto von Dentz if (handle == c->iso_qos.cig) { 120326afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 120426afbd82SLuiz Augusto von Dentz return c; 120526afbd82SLuiz Augusto von Dentz } 120626afbd82SLuiz Augusto von Dentz } 120726afbd82SLuiz Augusto von Dentz 120826afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 120926afbd82SLuiz Augusto von Dentz 121026afbd82SLuiz Augusto von Dentz return NULL; 121126afbd82SLuiz Augusto von Dentz } 121226afbd82SLuiz Augusto von Dentz 1213eca0ae4aSLuiz Augusto von Dentz static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, 1214eca0ae4aSLuiz Augusto von Dentz __u8 handle) 1215eca0ae4aSLuiz Augusto von Dentz { 1216eca0ae4aSLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 1217eca0ae4aSLuiz Augusto von Dentz struct hci_conn *c; 1218eca0ae4aSLuiz Augusto von Dentz 1219eca0ae4aSLuiz Augusto von Dentz rcu_read_lock(); 1220eca0ae4aSLuiz Augusto von Dentz 1221eca0ae4aSLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 1222eca0ae4aSLuiz Augusto von Dentz if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK) 1223eca0ae4aSLuiz Augusto von Dentz continue; 1224eca0ae4aSLuiz Augusto von Dentz 1225eca0ae4aSLuiz Augusto von Dentz if (handle == c->iso_qos.big) { 1226eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1227eca0ae4aSLuiz Augusto von Dentz return c; 1228eca0ae4aSLuiz Augusto von Dentz } 1229eca0ae4aSLuiz Augusto von Dentz } 1230eca0ae4aSLuiz Augusto von Dentz 1231eca0ae4aSLuiz Augusto von Dentz rcu_read_unlock(); 1232eca0ae4aSLuiz Augusto von Dentz 1233eca0ae4aSLuiz Augusto von Dentz return NULL; 1234eca0ae4aSLuiz Augusto von Dentz } 1235eca0ae4aSLuiz Augusto von Dentz 12364c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 12374c67bc74SMarcel Holtmann __u8 type, __u16 state) 12384c67bc74SMarcel Holtmann { 12394c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 12404c67bc74SMarcel Holtmann struct hci_conn *c; 12414c67bc74SMarcel Holtmann 1242bf4c6325SGustavo F. Padovan rcu_read_lock(); 1243bf4c6325SGustavo F. Padovan 1244bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1245bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1246bf4c6325SGustavo F. Padovan rcu_read_unlock(); 12474c67bc74SMarcel Holtmann return c; 12484c67bc74SMarcel Holtmann } 1249bf4c6325SGustavo F. Padovan } 1250bf4c6325SGustavo F. Padovan 1251bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1252bf4c6325SGustavo F. Padovan 12534c67bc74SMarcel Holtmann return NULL; 12544c67bc74SMarcel Holtmann } 12554c67bc74SMarcel Holtmann 125626afbd82SLuiz Augusto von Dentz typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); 125726afbd82SLuiz Augusto von Dentz static inline void hci_conn_hash_list_state(struct hci_dev *hdev, 125826afbd82SLuiz Augusto von Dentz hci_conn_func_t func, __u8 type, 125926afbd82SLuiz Augusto von Dentz __u16 state, void *data) 126026afbd82SLuiz Augusto von Dentz { 126126afbd82SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 126226afbd82SLuiz Augusto von Dentz struct hci_conn *c; 126326afbd82SLuiz Augusto von Dentz 126426afbd82SLuiz Augusto von Dentz if (!func) 126526afbd82SLuiz Augusto von Dentz return; 126626afbd82SLuiz Augusto von Dentz 126726afbd82SLuiz Augusto von Dentz rcu_read_lock(); 126826afbd82SLuiz Augusto von Dentz 126926afbd82SLuiz Augusto von Dentz list_for_each_entry_rcu(c, &h->list, list) { 127026afbd82SLuiz Augusto von Dentz if (c->type == type && c->state == state) 127126afbd82SLuiz Augusto von Dentz func(c, data); 127226afbd82SLuiz Augusto von Dentz } 127326afbd82SLuiz Augusto von Dentz 127426afbd82SLuiz Augusto von Dentz rcu_read_unlock(); 127526afbd82SLuiz Augusto von Dentz } 127626afbd82SLuiz Augusto von Dentz 1277e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1278e7d9ab73SJakub Pawlowski { 1279e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1280e7d9ab73SJakub Pawlowski struct hci_conn *c; 1281e7d9ab73SJakub Pawlowski 1282e7d9ab73SJakub Pawlowski rcu_read_lock(); 1283e7d9ab73SJakub Pawlowski 1284e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1285e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1286e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1287e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1288e7d9ab73SJakub Pawlowski return c; 1289e7d9ab73SJakub Pawlowski } 1290e7d9ab73SJakub Pawlowski } 1291e7d9ab73SJakub Pawlowski 1292e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1293e7d9ab73SJakub Pawlowski 1294e7d9ab73SJakub Pawlowski return NULL; 1295e7d9ab73SJakub Pawlowski } 1296e7d9ab73SJakub Pawlowski 1297e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 12982dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1299e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 130026afbd82SLuiz Augusto von Dentz bool hci_iso_setup_path(struct hci_conn *conn); 130126afbd82SLuiz Augusto von Dentz int hci_le_create_cis(struct hci_conn *conn); 13021da177e4SLinus Torvalds 1303a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1304a5c4e309SJohan Hedberg u8 role); 13051da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 13061da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1307a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 13081da177e4SLinus Torvalds 130973d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 13109472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 13112c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 131242c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 131373d80debSLuiz Augusto von Dentz 1314f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1315f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 131676b13996SManish Mandlik u16 conn_timeout, 131776b13996SManish Mandlik enum conn_reasons conn_reason); 131804a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1319d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 13208e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 132104a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 132276b13996SManish Mandlik u8 sec_level, u8 auth_type, 132376b13996SManish Mandlik enum conn_reasons conn_reason); 132410c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1325b2af264aSKiran K __u16 setting, struct bt_codec *codec); 132626afbd82SLuiz Augusto von Dentz struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, 132726afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 132826afbd82SLuiz Augusto von Dentz struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst, 132926afbd82SLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos); 1330eca0ae4aSLuiz Augusto von Dentz struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst, 1331eca0ae4aSLuiz Augusto von Dentz __u8 dst_type, struct bt_iso_qos *qos, 1332eca0ae4aSLuiz Augusto von Dentz __u8 data_len, __u8 *data); 1333eca0ae4aSLuiz Augusto von Dentz int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type, 1334eca0ae4aSLuiz Augusto von Dentz __u8 sid); 1335eca0ae4aSLuiz Augusto von Dentz int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos, 1336eca0ae4aSLuiz Augusto von Dentz __u16 sync_handle, __u8 num_bis, __u8 bis[]); 1337e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1338b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1339e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1340e7cafc45SJohan Hedberg bool initiator); 13418c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 13421da177e4SLinus Torvalds 134314b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 13441da177e4SLinus Torvalds 13459b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 134606c053fbSAndre Guedes 13478d12356fSDavid Herrmann /* 13488d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 13498d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 13508d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 13518d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 13528d12356fSDavid Herrmann * other constant data. 13538d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 13548d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 13558d12356fSDavid Herrmann * get dropped, though. 13568d12356fSDavid Herrmann * 13578d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 13588d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 13598d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 13608d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 13618d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 13628d12356fSDavid Herrmann * hci_conn_add()). 13638d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 13648d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 13658d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 13668d12356fSDavid Herrmann */ 13678d12356fSDavid Herrmann 136851bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 13698d12356fSDavid Herrmann { 13708d12356fSDavid Herrmann get_device(&conn->dev); 137151bb8457SJohan Hedberg return conn; 13728d12356fSDavid Herrmann } 13738d12356fSDavid Herrmann 13748d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 13758d12356fSDavid Herrmann { 13768d12356fSDavid Herrmann put_device(&conn->dev); 13778d12356fSDavid Herrmann } 13788d12356fSDavid Herrmann 13791da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 13801da177e4SLinus Torvalds { 138171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 138238b3fef1SAndrei Emeltchenko 13831da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 13842f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 13851da177e4SLinus Torvalds } 13861da177e4SLinus Torvalds 138776a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 13881da177e4SLinus Torvalds { 138971becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 139038b3fef1SAndrei Emeltchenko 13911da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 139204837f64SMarcel Holtmann unsigned long timeo; 1393716e4ab5SAndrei Emeltchenko 1394716e4ab5SAndrei Emeltchenko switch (conn->type) { 1395716e4ab5SAndrei Emeltchenko case ACL_LINK: 1396716e4ab5SAndrei Emeltchenko case LE_LINK: 1397a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 13986ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 13995f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 140004837f64SMarcel Holtmann if (!conn->out) 1401052b30b0SMarcel Holtmann timeo *= 2; 14025a9d0a3fSWaldemar Rymarkiewicz } else { 1403eb78d7e5SJohan Hedberg timeo = 0; 14045a9d0a3fSWaldemar Rymarkiewicz } 1405716e4ab5SAndrei Emeltchenko break; 1406716e4ab5SAndrei Emeltchenko 1407716e4ab5SAndrei Emeltchenko case AMP_LINK: 1408716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1409716e4ab5SAndrei Emeltchenko break; 1410716e4ab5SAndrei Emeltchenko 1411716e4ab5SAndrei Emeltchenko default: 1412eb78d7e5SJohan Hedberg timeo = 0; 1413716e4ab5SAndrei Emeltchenko break; 14145a9d0a3fSWaldemar Rymarkiewicz } 1415716e4ab5SAndrei Emeltchenko 14162f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 141719c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 14181931782bSVinicius Costa Gomes &conn->disc_work, timeo); 14191da177e4SLinus Torvalds } 14201da177e4SLinus Torvalds } 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1423dc946bd8SDavid Herrmann static inline void hci_dev_put(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 put_device(&d->dev); 1429010666a1SDavid Herrmann } 14301da177e4SLinus Torvalds 1431dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 14321da177e4SLinus Torvalds { 1433376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 14342c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1435376261aeSAndrei Emeltchenko 14364c724c71SDavid Herrmann get_device(&d->dev); 14371da177e4SLinus Torvalds return d; 14381da177e4SLinus Torvalds } 14391da177e4SLinus Torvalds 144009fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 144109fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 14421da177e4SLinus Torvalds 1443aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 14443dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1445aa2b86d7SDavid Herrmann 1446155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1447155961e8SDavid Herrmann { 1448155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1449155961e8SDavid Herrmann } 1450155961e8SDavid Herrmann 1451155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1452155961e8SDavid Herrmann { 1453155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1454155961e8SDavid Herrmann } 1455155961e8SDavid Herrmann 14566ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 14576ec56613STedd Ho-Jeong An { 14586ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 14596ec56613STedd Ho-Jeong An } 14606ec56613STedd Ho-Jeong An 14611da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 146239385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 14631da177e4SLinus Torvalds 14646ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 14656ec56613STedd Ho-Jeong An 14666ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 14676ec56613STedd Ho-Jeong An { 14686ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 14696ec56613STedd Ho-Jeong An } 14706ec56613STedd Ho-Jeong An 14711da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 14721da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 147359735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 147458ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1475359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1476359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 14771da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 14781da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 147975e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1480f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1481f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 14821aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 14831aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1484145373cbSMiao-chen Chou 1485145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1486145373cbSMiao-chen Chou { 1487145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1488145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1489145373cbSMiao-chen Chou #endif 1490145373cbSMiao-chen Chou } 1491145373cbSMiao-chen Chou 1492f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1493f67743f9SMarcel Holtmann { 1494f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1495f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1496f67743f9SMarcel Holtmann #endif 1497f67743f9SMarcel Holtmann } 1498f67743f9SMarcel Holtmann 14991da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 15001da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 15016b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 15021da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 15031da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 15041da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 15051da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 15061da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 15071da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 15081da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 150940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 15101da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 15111da177e4SLinus Torvalds 1512dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1513b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1514b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1515b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1516b950aa88SAnkit Navik u8 type); 15178baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 15188baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15198baaa403SAbhishek Pandit-Subedi u8 type); 1520dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1521b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1522b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 15238baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15248baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1525dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1526b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1527b950aa88SAnkit Navik u8 type); 15288baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 15298baaa403SAbhishek Pandit-Subedi u8 type); 1530dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1531d2ab0ac1SMarcel Holtmann 153215819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 153315819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 153451d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 153551d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 153615819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 153755af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 153815819a70SAndre Guedes 1539501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1540501f8827SJohan Hedberg bdaddr_t *addr, 1541501f8827SJohan Hedberg u8 addr_type); 154277a77a30SAndre Guedes 154335f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 15442aeb9a1aSJohan Hedberg 154535f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 154655ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1547567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 15487652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 15497652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1550ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 155135d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1552fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1553f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1554e804d25dSJohan Hedberg u8 addr_type, u8 role); 1555e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 155635f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 155755ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 155855ed8ca1SJohan Hedberg 1559970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1560970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1561970c4e46SJohan Hedberg u8 addr_type); 1562ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1563ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1564a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1565600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1566600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1567970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1568970c4e46SJohan Hedberg 156955e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 157055e76b38SJohan Hedberg 157135f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 15722763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 15736928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 15740798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15756928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 157638da1703SJohan Hedberg u8 *hash256, u8 *rand256); 15776928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 15786928a924SJohan Hedberg u8 bdaddr_type); 15792763eda6SSzymon Janc 1580d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1581d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1582d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1583eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance, 1584eca0ae4aSLuiz Augusto von Dentz u32 flags, u16 adv_data_len, u8 *adv_data, 1585d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 15869bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 1587b338d917SBrian Gix u32 min_interval, u32 max_interval, 1588b338d917SBrian Gix u8 mesh_handle); 1589eca0ae4aSLuiz Augusto von Dentz struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance, 1590eca0ae4aSLuiz Augusto von Dentz u32 flags, u8 data_len, u8 *data, 1591eca0ae4aSLuiz Augusto von Dentz u32 min_interval, u32 max_interval); 159231aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 159331aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 159431aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1595d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1596a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 159701ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 159801ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1599d2609b34SFlorian Grandel 1600e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 160166bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1602b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 16037cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 16047cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 16058208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1606a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1607e5e1e7fdSMiao-chen Chou 16081da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 16091da177e4SLinus Torvalds 16100ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1611a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1612b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1613b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 16141da177e4SLinus Torvalds 16156935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1618cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1619cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1620cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1621cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1622cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1623cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1624cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1625cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1626cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1627cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1628cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 16298b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1630cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1631cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1632cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1633cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1634cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1635cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1636cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 163707a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 16385075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 16395075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 16405075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 16415075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 16421da177e4SLinus Torvalds 1643eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 16446397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 16456397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 164653b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 164753b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1648d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1649d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 165053b834d2SMarcel Holtmann 165153b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1652cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1653d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1654cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1655cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1656eead27daSAndre Guedes 1657d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1658d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 165905b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1660d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1661c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1662c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1663c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1664c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1665432df05eSJohan Hedberg 166645bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 166745bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 166845bdd86eSJaganath Kanakkassery 166945bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 167045bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 167145bdd86eSJaganath Kanakkassery 167245bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 167345bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 167445bdd86eSJaganath Kanakkassery 1675ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1676ad383c2cSLuiz Augusto von Dentz 1677e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1678ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1679ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1680e1d57235SMarcel Holtmann 16816126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 16826126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 16836126ffabSLuiz Augusto von Dentz 168405abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 168505abad85SLuiz Augusto von Dentz * has not been set. 168605abad85SLuiz Augusto von Dentz */ 168705abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 168805abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 168905abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1690b2af264aSKiran K 1691a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1692a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1693392fca35SSven Peter ((dev)->commands[37] & 0x40) && \ 1694392fca35SSven Peter !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks)) 1695392fca35SSven Peter 16964d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 16974d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1698a2344b9eSJaganath Kanakkassery 16996b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 17006b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 17016b49bcb4SJaganath Kanakkassery 1702a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1703a56a1138SLuiz Augusto von Dentz * 1704a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1705a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1706a56a1138SLuiz Augusto von Dentz */ 1707a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1708a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1709a56a1138SLuiz Augusto von Dentz 1710eca0ae4aSLuiz Augusto von Dentz /* Periodic advertising support */ 1711eca0ae4aSLuiz Augusto von Dentz #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV)) 1712eca0ae4aSLuiz Augusto von Dentz 1713eca0ae4aSLuiz Augusto von Dentz /* CIS Master/Slave and BIS support */ 1714eca0ae4aSLuiz Augusto von Dentz #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev)) 171526afbd82SLuiz Augusto von Dentz #define cis_capable(dev) \ 171626afbd82SLuiz Augusto von Dentz (cis_central_capable(dev) || cis_peripheral_capable(dev)) 171726afbd82SLuiz Augusto von Dentz #define cis_central_capable(dev) \ 171826afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL) 171926afbd82SLuiz Augusto von Dentz #define cis_peripheral_capable(dev) \ 172026afbd82SLuiz Augusto von Dentz ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL) 1721eca0ae4aSLuiz Augusto von Dentz #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER) 172226afbd82SLuiz Augusto von Dentz 1723*ffcb0a44SSven Peter #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \ 1724*ffcb0a44SSven Peter (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks))) 1725*ffcb0a44SSven Peter 17261da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 172720714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 172820714bfeSFrédéric Dalleau 17295a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 173020714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 17311da177e4SLinus Torvalds { 1732686ebf28SUlisses Furquim switch (type) { 1733686ebf28SUlisses Furquim case ACL_LINK: 1734686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 17351da177e4SLinus Torvalds 1736686ebf28SUlisses Furquim case SCO_LINK: 1737686ebf28SUlisses Furquim case ESCO_LINK: 173820714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 17391da177e4SLinus Torvalds 174026afbd82SLuiz Augusto von Dentz case ISO_LINK: 1741ccf74f23SLuiz Augusto von Dentz return iso_connect_ind(hdev, bdaddr, flags); 174226afbd82SLuiz Augusto von Dentz 1743686ebf28SUlisses Furquim default: 1744686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1745686ebf28SUlisses Furquim return -EINVAL; 1746686ebf28SUlisses Furquim } 17471da177e4SLinus Torvalds } 17481da177e4SLinus Torvalds 17492950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 17502950f21aSMarcel Holtmann { 1751686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1752686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 17532950f21aSMarcel Holtmann 1754686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 17552950f21aSMarcel Holtmann } 17562950f21aSMarcel Holtmann 17571da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 17581da177e4SLinus Torvalds struct hci_cb { 17591da177e4SLinus Torvalds struct list_head list; 17601da177e4SLinus Torvalds 17611da177e4SLinus Torvalds char *name; 17621da177e4SLinus Torvalds 1763539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 17643a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 17655a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 17665a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 17671da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 17681da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 17691da177e4SLinus Torvalds }; 17701da177e4SLinus Torvalds 1771539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1772539c496dSJohan Hedberg { 1773539c496dSJohan Hedberg struct hci_cb *cb; 1774539c496dSJohan Hedberg 1775539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1776539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1777539c496dSJohan Hedberg if (cb->connect_cfm) 1778539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1779539c496dSJohan Hedberg } 1780539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1781539c496dSJohan Hedberg 1782539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1783539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1784539c496dSJohan Hedberg } 1785539c496dSJohan Hedberg 17863a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 17873a6d576bSJohan Hedberg { 17883a6d576bSJohan Hedberg struct hci_cb *cb; 17893a6d576bSJohan Hedberg 17903a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 17913a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 17923a6d576bSJohan Hedberg if (cb->disconn_cfm) 17933a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 17943a6d576bSJohan Hedberg } 17953a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 17963a6d576bSJohan Hedberg 17973a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 17983a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 17993a6d576bSJohan Hedberg } 18003a6d576bSJohan Hedberg 18011da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 18021da177e4SLinus Torvalds { 1803711584eaSDenis Kirjanov struct hci_cb *cb; 18048c1b2355SMarcel Holtmann __u8 encrypt; 18051da177e4SLinus Torvalds 180651a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 18078c1b2355SMarcel Holtmann return; 18088c1b2355SMarcel Holtmann 18094dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 18108c1b2355SMarcel Holtmann 1811fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1812711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18138c1b2355SMarcel Holtmann if (cb->security_cfm) 18148c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18151da177e4SLinus Torvalds } 1816fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1817354fe804SJohan Hedberg 1818354fe804SJohan Hedberg if (conn->security_cfm_cb) 1819354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18201da177e4SLinus Torvalds } 18211da177e4SLinus Torvalds 18223ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 18231da177e4SLinus Torvalds { 1824711584eaSDenis Kirjanov struct hci_cb *cb; 18253ca44c16SLuiz Augusto von Dentz __u8 encrypt; 18263ca44c16SLuiz Augusto von Dentz 18273ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1828339ddaa6SPatrick Steinhardt if (!status) 18293ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 18303ca44c16SLuiz Augusto von Dentz 18313ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 18323ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 18333ca44c16SLuiz Augusto von Dentz return; 18343ca44c16SLuiz Augusto von Dentz } 18353ca44c16SLuiz Augusto von Dentz 18363ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 18373ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 18383ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 18393ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 18403ca44c16SLuiz Augusto von Dentz else 18413ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 18421da177e4SLinus Torvalds 18438746f135SLuiz Augusto von Dentz if (!status) { 1844435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1845435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1846435fef20SMarcel Holtmann 184788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 184888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 18498746f135SLuiz Augusto von Dentz } 185088167aedSVinicius Costa Gomes 1851fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1852711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18538c1b2355SMarcel Holtmann if (cb->security_cfm) 18548c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 18551da177e4SLinus Torvalds } 1856fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1857354fe804SJohan Hedberg 1858354fe804SJohan Hedberg if (conn->security_cfm_cb) 1859354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 18601da177e4SLinus Torvalds } 18611da177e4SLinus Torvalds 18621da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 18631da177e4SLinus Torvalds { 1864711584eaSDenis Kirjanov struct hci_cb *cb; 18651da177e4SLinus Torvalds 1866fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1867711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18681da177e4SLinus Torvalds if (cb->key_change_cfm) 18691da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 18701da177e4SLinus Torvalds } 1871fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18721da177e4SLinus Torvalds } 18731da177e4SLinus Torvalds 18745a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 18755a9d0a3fSWaldemar Rymarkiewicz __u8 role) 18761da177e4SLinus Torvalds { 1877711584eaSDenis Kirjanov struct hci_cb *cb; 18781da177e4SLinus Torvalds 1879fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1880711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 18811da177e4SLinus Torvalds if (cb->role_switch_cfm) 18821da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 18831da177e4SLinus Torvalds } 1884fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 18851da177e4SLinus Torvalds } 18861da177e4SLinus Torvalds 1887301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1888301cb2d8SJohan Hedberg { 1889dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1890301cb2d8SJohan Hedberg return false; 1891301cb2d8SJohan Hedberg 1892301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1893301cb2d8SJohan Hedberg return true; 1894301cb2d8SJohan Hedberg 1895301cb2d8SJohan Hedberg return false; 1896301cb2d8SJohan Hedberg } 1897301cb2d8SJohan Hedberg 1898c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1899c46245b3SJohan Hedberg { 1900c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1901c46245b3SJohan Hedberg return true; 1902c46245b3SJohan Hedberg 1903c46245b3SJohan Hedberg /* Check for Random Static address type */ 1904c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1905c46245b3SJohan Hedberg return true; 1906c46245b3SJohan Hedberg 1907c46245b3SJohan Hedberg return false; 1908c46245b3SJohan Hedberg } 1909c46245b3SJohan Hedberg 19102426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 19112426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 19122426f3a5SJohan Hedberg { 19132426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 19142426f3a5SJohan Hedberg return NULL; 19152426f3a5SJohan Hedberg 19162426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 19172426f3a5SJohan Hedberg } 19182426f3a5SJohan Hedberg 1919d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1920d4905f24SAndre Guedes u16 to_multiplier) 1921d4905f24SAndre Guedes { 1922d4905f24SAndre Guedes u16 max_latency; 1923d4905f24SAndre Guedes 1924d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1925d4905f24SAndre Guedes return -EINVAL; 1926d4905f24SAndre Guedes 1927d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1928d4905f24SAndre Guedes return -EINVAL; 1929d4905f24SAndre Guedes 1930d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1931d4905f24SAndre Guedes return -EINVAL; 1932d4905f24SAndre Guedes 19338757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1934d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1935d4905f24SAndre Guedes return -EINVAL; 1936d4905f24SAndre Guedes 1937d4905f24SAndre Guedes return 0; 1938d4905f24SAndre Guedes } 1939d4905f24SAndre Guedes 19401da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 19411da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 19421da177e4SLinus Torvalds 1943d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1944d6ee6ad7SLoic Poulain const void *param); 194575e84b7cSJohan Hedberg 194607dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 194707dc93ddSJohan Hedberg const void *param); 194873d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 19490d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 195026afbd82SLuiz Augusto von Dentz void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); 19511da177e4SLinus Torvalds 1952a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1953dfe6d5c3SLuiz Augusto von Dentz void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); 19541da177e4SLinus Torvalds 1955eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1956eab2404bSLuiz Augusto von Dentz 19571da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1958470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 19597129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1960c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1961cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 196238ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 196338ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 196438ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 19651da177e4SLinus Torvalds 1966040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1967040030efSMarcel Holtmann 1968a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1969a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1970a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1971a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1972d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1973b9a245fbSJohan Hedberg 1974801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1975801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1976801c1e8dSJohan Hedberg u16 data_len); 1977801c1e8dSJohan Hedberg size_t data_len; 1978b9a245fbSJohan Hedberg unsigned long flags; 1979801c1e8dSJohan Hedberg }; 1980801c1e8dSJohan Hedberg 1981801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1982801c1e8dSJohan Hedberg struct list_head list; 1983801c1e8dSJohan Hedberg unsigned short channel; 1984801c1e8dSJohan Hedberg size_t handler_count; 1985801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 198688b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1987801c1e8dSJohan Hedberg }; 1988801c1e8dSJohan Hedberg 1989801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1990801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1991801c1e8dSJohan Hedberg 19920381101fSJohan Hedberg /* Management interface */ 1993591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1994591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1995591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1996591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1997591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1998591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1999f39799f5SAndre Guedes 20000d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 20010d8cc935SAndre Guedes * Discovery Procedure specification. 20020d8cc935SAndre Guedes */ 20030d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 20040d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 20053d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 2006ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 20070d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 20080d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 20094b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 2010cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 2011cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 2012eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */ 2013eca0ae4aSLuiz Augusto von Dentz #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */ 2014b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */ 2015b338d917SBrian Gix #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */ 2016b338d917SBrian Gix #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10) 20170d8cc935SAndre Guedes 2018dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 2019dbf6811aSArchie Pusaka 202003c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 202191a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 2022bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 2023bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 20243eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 20252ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 20262ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 2027dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 2028745c0ce3SVishal Agarwal bool persistent); 202948ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 20301c6ed31bSYu Liu u8 *name, u8 name_len); 20319b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 203212d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 203312d4a3b2SJohan Hedberg bool mgmt_connected); 20347892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 203588c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2036445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 203748264f06SJohan Hedberg u8 addr_type, u8 status); 2038ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 2039e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2040c35938b2SSzymon Janc u8 status); 20413eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2042744cf19eSJohan Hedberg u8 status); 2043744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 204439adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 2045272d90dfSJohan Hedberg u8 confirm_hint); 2046744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2047272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2048272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2049272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2050272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 2051272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 2052604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2053272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 2054272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 2055272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 205692a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 205792a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 205892a25256SJohan Hedberg u8 entered); 2059e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 2060464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 20614e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 20627f9a903cSMarcel Holtmann u8 status); 20637667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 2064e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 20652154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 2066901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2067af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 2068b338d917SBrian Gix u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, 2069b338d917SBrian Gix u64 instant); 20709cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 2071b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 20722f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 2073346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 2074346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 2075346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 207684c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 207753ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 2078cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 207953ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 208053ac6ab6SMarcel Holtmann bool persistent); 2081ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 2082f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 2083f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 2084f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 2085f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 2086f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 2087f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 2088f2252570SJohan Hedberg u8 instance); 2089f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 2090f2252570SJohan Hedberg u8 instance); 209166bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 2092b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 20938d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 20948d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 2095346af67bSVinicius Costa Gomes 20961a942de0SBrian Gix int hci_abort_conn(struct hci_conn *conn, u8 reason); 20977d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 20987d6ca693SJohan Hedberg u16 to_multiplier); 2099fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 21008b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 21012519a1fcSAndre Guedes 2102a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 2103a1f4c318SJohan Hedberg u8 *bdaddr_type); 2104ebd3a747SJohan Hedberg 21055d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 21065d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 21075d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 21085d4d62f6SFrédéric Dalleau 21098961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 21108961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 21118961987fSKiran K 21128961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 21138961987fSKiran K 21141da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 2115