11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 28e5e1e7fdSMiao-chen Chou #include <linux/idr.h> 296d5d2ee6SHeiner Kallweit #include <linux/leds.h> 30b2d09103SIngo Molnar #include <linux/rculist.h> 31b2d09103SIngo Molnar 321da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 336a98e383SMarcel Holtmann #include <net/bluetooth/hci_sync.h> 34f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 351da177e4SLinus Torvalds 365e59b791SLuiz Augusto von Dentz /* HCI priority */ 375e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 385e59b791SLuiz Augusto von Dentz 39103a2f32SItay Iellin /* HCI maximum id value */ 40103a2f32SItay Iellin #define HCI_MAX_ID 10000 41103a2f32SItay Iellin 421da177e4SLinus Torvalds /* HCI Core structures */ 431da177e4SLinus Torvalds struct inquiry_data { 441da177e4SLinus Torvalds bdaddr_t bdaddr; 451da177e4SLinus Torvalds __u8 pscan_rep_mode; 461da177e4SLinus Torvalds __u8 pscan_period_mode; 471da177e4SLinus Torvalds __u8 pscan_mode; 481da177e4SLinus Torvalds __u8 dev_class[3]; 491ebb9252SMarcel Holtmann __le16 clock_offset; 501da177e4SLinus Torvalds __s8 rssi; 5141a96212SMarcel Holtmann __u8 ssp_mode; 521da177e4SLinus Torvalds }; 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds struct inquiry_entry { 55561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 56561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 57561aafbcSJohan Hedberg enum { 58561aafbcSJohan Hedberg NAME_NOT_KNOWN, 59561aafbcSJohan Hedberg NAME_NEEDED, 60561aafbcSJohan Hedberg NAME_PENDING, 61561aafbcSJohan Hedberg NAME_KNOWN, 62561aafbcSJohan Hedberg } name_state; 631da177e4SLinus Torvalds __u32 timestamp; 641da177e4SLinus Torvalds struct inquiry_data data; 651da177e4SLinus Torvalds }; 661da177e4SLinus Torvalds 6730883512SJohan Hedberg struct discovery_state { 684aab14e5SAndre Guedes int type; 69ff9ef578SJohan Hedberg enum { 70ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 71ff9ef578SJohan Hedberg DISCOVERY_STARTING, 72343f935bSAndre Guedes DISCOVERY_FINDING, 7330dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 74ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 75ff9ef578SJohan Hedberg } state; 76561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 77561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 78561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 791da177e4SLinus Torvalds __u32 timestamp; 80b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 81b9a6328fSJohan Hedberg u8 last_adv_addr_type; 82ff5cd29fSJohan Hedberg s8 last_adv_rssi; 83c70a7e4cSMarcel Holtmann u32 last_adv_flags; 84b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 85b9a6328fSJohan Hedberg u8 last_adv_data_len; 86da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8782f8b651SJakub Pawlowski bool result_filtering; 8878b781caSJohan Hedberg bool limited; 8937eab042SJakub Pawlowski s8 rssi; 9037eab042SJakub Pawlowski u16 uuid_count; 9137eab042SJakub Pawlowski u8 (*uuids)[16]; 922d28cfe7SJakub Pawlowski unsigned long scan_start; 932d28cfe7SJakub Pawlowski unsigned long scan_duration; 94dbf6811aSArchie Pusaka unsigned long name_resolve_timeout; 951da177e4SLinus Torvalds }; 961da177e4SLinus Torvalds 979952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 989952d90eSAbhishek Pandit-Subedi 999952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 1004867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 1014867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 1024867bd00SAbhishek Pandit-Subedi 1034867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 1044867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 1054867bd00SAbhishek Pandit-Subedi 1064f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1074f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1084f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1094f40afc6SAbhishek Pandit-Subedi 1109952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1119952d90eSAbhishek Pandit-Subedi 1129952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 113bf6a4e30SHoward Chung 114bf6a4e30SHoward Chung SUSPEND_SET_ADV_FILTER, 1159952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1169952d90eSAbhishek Pandit-Subedi }; 1179952d90eSAbhishek Pandit-Subedi 1189952d90eSAbhishek Pandit-Subedi enum suspended_state { 1199952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1204f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1210d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1229952d90eSAbhishek Pandit-Subedi }; 1239952d90eSAbhishek Pandit-Subedi 1241da177e4SLinus Torvalds struct hci_conn_hash { 1251da177e4SLinus Torvalds struct list_head list; 1261da177e4SLinus Torvalds unsigned int acl_num; 127bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1281da177e4SLinus Torvalds unsigned int sco_num; 129fcd89c09SVille Tervo unsigned int le_num; 13039bc74caSArchie Pusaka unsigned int le_num_peripheral; 1311da177e4SLinus Torvalds }; 1321da177e4SLinus Torvalds 133f0358568SJohan Hedberg struct bdaddr_list { 134f0358568SJohan Hedberg struct list_head list; 135f0358568SJohan Hedberg bdaddr_t bdaddr; 136b9ee0a78SMarcel Holtmann u8 bdaddr_type; 137f0358568SJohan Hedberg }; 1382aeb9a1aSJohan Hedberg 1398961987fSKiran K struct codec_list { 1408961987fSKiran K struct list_head list; 1418961987fSKiran K u8 id; 1428961987fSKiran K __u16 cid; 1438961987fSKiran K __u16 vid; 1448961987fSKiran K u8 transport; 1458961987fSKiran K u8 num_caps; 1468961987fSKiran K u32 len; 1478961987fSKiran K struct hci_codec_caps caps[]; 1488961987fSKiran K }; 1498961987fSKiran K 150b950aa88SAnkit Navik struct bdaddr_list_with_irk { 151b950aa88SAnkit Navik struct list_head list; 152b950aa88SAnkit Navik bdaddr_t bdaddr; 153b950aa88SAnkit Navik u8 bdaddr_type; 154b950aa88SAnkit Navik u8 peer_irk[16]; 155b950aa88SAnkit Navik u8 local_irk[16]; 156b950aa88SAnkit Navik }; 157b950aa88SAnkit Navik 158e1cff700SLinus Torvalds /* Bitmask of connection flags */ 159fe92ee64SLuiz Augusto von Dentz enum hci_conn_flags { 160e1cff700SLinus Torvalds HCI_CONN_FLAG_REMOTE_WAKEUP = 1, 161e1cff700SLinus Torvalds HCI_CONN_FLAG_DEVICE_PRIVACY = 2, 162fe92ee64SLuiz Augusto von Dentz }; 163e1cff700SLinus Torvalds typedef u8 hci_conn_flags_t; 164fe92ee64SLuiz Augusto von Dentz 1658baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1668baaa403SAbhishek Pandit-Subedi struct list_head list; 1678baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1688baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 169e1cff700SLinus Torvalds hci_conn_flags_t flags; 1708baaa403SAbhishek Pandit-Subedi }; 1718baaa403SAbhishek Pandit-Subedi 1722aeb9a1aSJohan Hedberg struct bt_uuid { 1732aeb9a1aSJohan Hedberg struct list_head list; 1742aeb9a1aSJohan Hedberg u8 uuid[16]; 17583be8ecaSJohan Hedberg u8 size; 1761aff6f09SJohan Hedberg u8 svc_hint; 1772aeb9a1aSJohan Hedberg }; 1782aeb9a1aSJohan Hedberg 179600a8749SAlain Michaud struct blocked_key { 180600a8749SAlain Michaud struct list_head list; 181600a8749SAlain Michaud struct rcu_head rcu; 182600a8749SAlain Michaud u8 type; 183600a8749SAlain Michaud u8 val[16]; 184600a8749SAlain Michaud }; 185600a8749SAlain Michaud 1867ee4ea36SMarcel Holtmann struct smp_csrk { 1877ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1887ee4ea36SMarcel Holtmann u8 bdaddr_type; 1894cd3928aSJohan Hedberg u8 type; 1907ee4ea36SMarcel Holtmann u8 val[16]; 1917ee4ea36SMarcel Holtmann }; 1927ee4ea36SMarcel Holtmann 193b899efafSVinicius Costa Gomes struct smp_ltk { 194b899efafSVinicius Costa Gomes struct list_head list; 195970d0f1bSJohan Hedberg struct rcu_head rcu; 196b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 197b899efafSVinicius Costa Gomes u8 bdaddr_type; 198b899efafSVinicius Costa Gomes u8 authenticated; 199b899efafSVinicius Costa Gomes u8 type; 200b899efafSVinicius Costa Gomes u8 enc_size; 201b899efafSVinicius Costa Gomes __le16 ediv; 202fe39c7b2SMarcel Holtmann __le64 rand; 203b899efafSVinicius Costa Gomes u8 val[16]; 20403c515d7SMarcel Holtmann }; 205b899efafSVinicius Costa Gomes 206970c4e46SJohan Hedberg struct smp_irk { 207970c4e46SJohan Hedberg struct list_head list; 208adae20cbSJohan Hedberg struct rcu_head rcu; 209970c4e46SJohan Hedberg bdaddr_t rpa; 210970c4e46SJohan Hedberg bdaddr_t bdaddr; 211970c4e46SJohan Hedberg u8 addr_type; 212970c4e46SJohan Hedberg u8 val[16]; 213970c4e46SJohan Hedberg }; 214970c4e46SJohan Hedberg 21555ed8ca1SJohan Hedberg struct link_key { 21655ed8ca1SJohan Hedberg struct list_head list; 2170378b597SJohan Hedberg struct rcu_head rcu; 21855ed8ca1SJohan Hedberg bdaddr_t bdaddr; 21955ed8ca1SJohan Hedberg u8 type; 2209b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 22155ed8ca1SJohan Hedberg u8 pin_len; 22255ed8ca1SJohan Hedberg }; 22355ed8ca1SJohan Hedberg 2242763eda6SSzymon Janc struct oob_data { 2252763eda6SSzymon Janc struct list_head list; 2262763eda6SSzymon Janc bdaddr_t bdaddr; 2276928a924SJohan Hedberg u8 bdaddr_type; 228f7697b16SMarcel Holtmann u8 present; 229519ca9d0SMarcel Holtmann u8 hash192[16]; 23038da1703SJohan Hedberg u8 rand192[16]; 231519ca9d0SMarcel Holtmann u8 hash256[16]; 23238da1703SJohan Hedberg u8 rand256[16]; 2332763eda6SSzymon Janc }; 2342763eda6SSzymon Janc 235203fea01SArman Uguray struct adv_info { 236d2609b34SFlorian Grandel struct list_head list; 23710279313SLuiz Augusto von Dentz bool enabled; 238fffd38bcSFlorian Grandel bool pending; 239203fea01SArman Uguray __u8 instance; 240203fea01SArman Uguray __u32 flags; 241912098a6SArman Uguray __u16 timeout; 2425d900e46SFlorian Grandel __u16 remaining_time; 243d2609b34SFlorian Grandel __u16 duration; 244203fea01SArman Uguray __u16 adv_data_len; 245c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 24634a718bcSLuiz Augusto von Dentz bool adv_data_changed; 247203fea01SArman Uguray __u16 scan_rsp_len; 248c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 24934a718bcSLuiz Augusto von Dentz bool scan_rsp_changed; 250de181e88SJaganath Kanakkassery __s8 tx_power; 2519bf9f4b6SDaniel Winkler __u32 min_interval; 2529bf9f4b6SDaniel Winkler __u32 max_interval; 253a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 254a73c046aSJaganath Kanakkassery bool rpa_expired; 255a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 256203fea01SArman Uguray }; 257203fea01SArman Uguray 258db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 259d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 260d2609b34SFlorian Grandel 26112410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 26212410572SDaniel Winkler 26334a718bcSLuiz Augusto von Dentz #define DATA_CMP(_d1, _l1, _d2, _l2) \ 26434a718bcSLuiz Augusto von Dentz (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2) 26534a718bcSLuiz Augusto von Dentz 26634a718bcSLuiz Augusto von Dentz #define ADV_DATA_CMP(_adv, _data, _len) \ 26734a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len) 26834a718bcSLuiz Augusto von Dentz 26934a718bcSLuiz Augusto von Dentz #define SCAN_RSP_CMP(_adv, _data, _len) \ 27034a718bcSLuiz Augusto von Dentz DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len) 27134a718bcSLuiz Augusto von Dentz 2723368aa35SManish Mandlik struct monitored_device { 2733368aa35SManish Mandlik struct list_head list; 2743368aa35SManish Mandlik 2753368aa35SManish Mandlik bdaddr_t bdaddr; 2763368aa35SManish Mandlik __u8 addr_type; 2773368aa35SManish Mandlik __u16 handle; 2783368aa35SManish Mandlik bool notified; 2793368aa35SManish Mandlik }; 2803368aa35SManish Mandlik 281e5e1e7fdSMiao-chen Chou struct adv_pattern { 282e5e1e7fdSMiao-chen Chou struct list_head list; 283e5e1e7fdSMiao-chen Chou __u8 ad_type; 284e5e1e7fdSMiao-chen Chou __u8 offset; 285e5e1e7fdSMiao-chen Chou __u8 length; 286e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 287e5e1e7fdSMiao-chen Chou }; 288e5e1e7fdSMiao-chen Chou 289b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 290b4a221eaSArchie Pusaka __s8 low_threshold; 291b4a221eaSArchie Pusaka __s8 high_threshold; 292b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 293b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 294b4a221eaSArchie Pusaka __u8 sampling_period; 295b4a221eaSArchie Pusaka }; 296b4a221eaSArchie Pusaka 297e5e1e7fdSMiao-chen Chou struct adv_monitor { 298e5e1e7fdSMiao-chen Chou struct list_head patterns; 299b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 300e5e1e7fdSMiao-chen Chou __u16 handle; 301a2a4dedfSArchie Pusaka 302a2a4dedfSArchie Pusaka enum { 303a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 304a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 305a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 306a2a4dedfSArchie Pusaka } state; 307e5e1e7fdSMiao-chen Chou }; 308e5e1e7fdSMiao-chen Chou 309e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 310e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 311e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 312a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 313a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 314e5e1e7fdSMiao-chen Chou 315490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 316490c5babSJohan Hedberg 317d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_UNSET 0xffff 318d5ebaa7cSSoenke Huster #define HCI_CONN_HANDLE_MAX 0x0eff 319d5ebaa7cSSoenke Huster 320d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 321d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 322d5bb334aSMarcel Holtmann 323d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 324d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 325d6bfd59cSJohan Hedberg 32631ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 32731ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 32831ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 329302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 330302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 33131ad1691SAndrzej Kaczmarek 332903e4541SAndrei Emeltchenko struct amp_assoc { 333903e4541SAndrei Emeltchenko __u16 len; 334903e4541SAndrei Emeltchenko __u16 offset; 33593c284eeSAndrei Emeltchenko __u16 rem_len; 33693c284eeSAndrei Emeltchenko __u16 len_so_far; 337903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 338903e4541SAndrei Emeltchenko }; 339903e4541SAndrei Emeltchenko 340d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 341cad718edSJohan Hedberg 3421da177e4SLinus Torvalds struct hci_dev { 3431da177e4SLinus Torvalds struct list_head list; 34409fd0de5SGustavo F. Padovan struct mutex lock; 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds char name[8]; 3471da177e4SLinus Torvalds unsigned long flags; 3481da177e4SLinus Torvalds __u16 id; 349c13854ceSMarcel Holtmann __u8 bus; 350943da25dSMarcel Holtmann __u8 dev_type; 3511da177e4SLinus Torvalds bdaddr_t bdaddr; 352e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 35324c457e2SMarcel Holtmann bdaddr_t public_addr; 3547a4cd51dSMarcel Holtmann bdaddr_t random_addr; 355d13eafceSMarcel Holtmann bdaddr_t static_addr; 35656ed2cb8SJohan Hedberg __u8 adv_addr_type; 3571f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 358490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 35980a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 360c4960ecfSMichał Narajowski __u16 appearance; 361a9de9248SMarcel Holtmann __u8 dev_class[3]; 3621aff6f09SJohan Hedberg __u8 major_class; 3631aff6f09SJohan Hedberg __u8 minor_class; 364d2c5d77fSJohan Hedberg __u8 max_page; 365cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 36660e77321SJohan Hedberg __u8 le_features[8]; 3673d4f9c00SArchie Pusaka __u8 le_accept_list_size; 368cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3696b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3709b008c04SJohan Hedberg __u8 le_states[8]; 371a9de9248SMarcel Holtmann __u8 commands[64]; 3721143e5a6SMarcel Holtmann __u8 hci_ver; 3731143e5a6SMarcel Holtmann __u16 hci_rev; 374d5859e22SJohan Hedberg __u8 lmp_ver; 3751143e5a6SMarcel Holtmann __u16 manufacturer; 3767d69230cSAndrei Emeltchenko __u16 lmp_subver; 3771da177e4SLinus Torvalds __u16 voice_setting; 378b4cb9fb2SMarcel Holtmann __u8 num_iac; 379e88422bcSLuiz Augusto von Dentz __u16 stored_max_keys; 380e88422bcSLuiz Augusto von Dentz __u16 stored_num_keys; 38117fa4b9dSJohan Hedberg __u8 io_capability; 38291c4e9b1SMarcel Holtmann __s8 inq_tx_power; 38300bce3fbSAlain Michaud __u8 err_data_reporting; 384f332ec66SJohan Hedberg __u16 page_scan_interval; 385f332ec66SJohan Hedberg __u16 page_scan_window; 386f332ec66SJohan Hedberg __u8 page_scan_type; 3873f959d46SMarcel Holtmann __u8 le_adv_channel_map; 388628531c9SGeorg Lukas __u16 le_adv_min_interval; 389628531c9SGeorg Lukas __u16 le_adv_max_interval; 390533553f8SMarcel Holtmann __u8 le_scan_type; 391bef64738SMarcel Holtmann __u16 le_scan_interval; 392bef64738SMarcel Holtmann __u16 le_scan_window; 39310873f99SAlain Michaud __u16 le_scan_int_suspend; 39410873f99SAlain Michaud __u16 le_scan_window_suspend; 39510873f99SAlain Michaud __u16 le_scan_int_discovery; 39610873f99SAlain Michaud __u16 le_scan_window_discovery; 39710873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 39810873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 39910873f99SAlain Michaud __u16 le_scan_int_connect; 40010873f99SAlain Michaud __u16 le_scan_window_connect; 4014e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 4024e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 40304fb7d90SMarcel Holtmann __u16 le_conn_latency; 40404fb7d90SMarcel Holtmann __u16 le_supv_timeout; 405a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 406a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 407a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 408a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 409a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 410a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 41130d65e08SMatias Karhumaa __u8 le_max_key_size; 41230d65e08SMatias Karhumaa __u8 le_min_key_size; 413b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 41431ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 41531ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 416302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 41758a96fc3SMarcel Holtmann __u8 min_enc_key_size; 418a4790360SMarcel Holtmann __u8 max_enc_key_size; 419a4790360SMarcel Holtmann __u8 pairing_opts; 42006f5b778SMarcel Holtmann __u8 ssp_debug_mode; 421c7741d16SMarcel Holtmann __u8 hw_error_code; 42233f35721SJohan Hedberg __u32 clock; 423c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 424c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 42580af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 426f332ec66SJohan Hedberg 4272b9be137SMarcel Holtmann __u16 devid_source; 4282b9be137SMarcel Holtmann __u16 devid_vendor; 4292b9be137SMarcel Holtmann __u16 devid_product; 4302b9be137SMarcel Holtmann __u16 devid_version; 4311da177e4SLinus Torvalds 43210873f99SAlain Michaud __u8 def_page_scan_type; 43310873f99SAlain Michaud __u16 def_page_scan_int; 43410873f99SAlain Michaud __u16 def_page_scan_window; 43510873f99SAlain Michaud __u8 def_inq_scan_type; 43610873f99SAlain Michaud __u16 def_inq_scan_int; 43710873f99SAlain Michaud __u16 def_inq_scan_window; 43810873f99SAlain Michaud __u16 def_br_lsto; 43910873f99SAlain Michaud __u16 def_page_timeout; 44010873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 44149b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4427c395ea5SDaniel Winkler __s8 min_le_tx_power; 4437c395ea5SDaniel Winkler __s8 max_le_tx_power; 44410873f99SAlain Michaud 4451da177e4SLinus Torvalds __u16 pkt_type; 4465b7f9909SMarcel Holtmann __u16 esco_type; 4471da177e4SLinus Torvalds __u16 link_policy; 4481da177e4SLinus Torvalds __u16 link_mode; 4491da177e4SLinus Torvalds 45004837f64SMarcel Holtmann __u32 idle_timeout; 45104837f64SMarcel Holtmann __u16 sniff_min_interval; 45204837f64SMarcel Holtmann __u16 sniff_max_interval; 45304837f64SMarcel Holtmann 454928abaa7SAndrei Emeltchenko __u8 amp_status; 455928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 456928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 457928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 458928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 459928abaa7SAndrei Emeltchenko __u8 amp_type; 460928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 461928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 462928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 463928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 464928abaa7SAndrei Emeltchenko 465903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 466903e4541SAndrei Emeltchenko 4671e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4681e89cffbSAndrei Emeltchenko 4699f61656aSJohan Hedberg unsigned int auto_accept_delay; 4709f61656aSJohan Hedberg 4711da177e4SLinus Torvalds unsigned long quirks; 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds atomic_t cmd_cnt; 4741da177e4SLinus Torvalds unsigned int acl_cnt; 4751da177e4SLinus Torvalds unsigned int sco_cnt; 4766ed58ec5SVille Tervo unsigned int le_cnt; 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds unsigned int acl_mtu; 4791da177e4SLinus Torvalds unsigned int sco_mtu; 4806ed58ec5SVille Tervo unsigned int le_mtu; 4811da177e4SLinus Torvalds unsigned int acl_pkts; 4821da177e4SLinus Torvalds unsigned int sco_pkts; 4836ed58ec5SVille Tervo unsigned int le_pkts; 4841da177e4SLinus Torvalds 485350ee4cfSAndrei Emeltchenko __u16 block_len; 486350ee4cfSAndrei Emeltchenko __u16 block_mtu; 487350ee4cfSAndrei Emeltchenko __u16 num_blocks; 488350ee4cfSAndrei Emeltchenko __u16 block_cnt; 489350ee4cfSAndrei Emeltchenko 4901da177e4SLinus Torvalds unsigned long acl_last_tx; 4911da177e4SLinus Torvalds unsigned long sco_last_tx; 4926ed58ec5SVille Tervo unsigned long le_last_tx; 4931da177e4SLinus Torvalds 4946decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4956decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4966decb5b4SJaganath Kanakkassery 497f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4986ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 499f48fd9c8SMarcel Holtmann 500ab81cbf9SJohan Hedberg struct work_struct power_on; 5013243553fSJohan Hedberg struct delayed_work power_off; 502c7741d16SMarcel Holtmann struct work_struct error_reset; 5036a98e383SMarcel Holtmann struct work_struct cmd_sync_work; 5046a98e383SMarcel Holtmann struct list_head cmd_sync_work_list; 5056a98e383SMarcel Holtmann struct mutex cmd_sync_work_lock; 506744451c1SBenjamin Berg struct work_struct cmd_sync_cancel_work; 507ab81cbf9SJohan Hedberg 50816ab91abSJohan Hedberg __u16 discov_timeout; 50916ab91abSJohan Hedberg struct delayed_work discov_off; 51016ab91abSJohan Hedberg 5117d78525dSJohan Hedberg struct delayed_work service_cache; 5127d78525dSJohan Hedberg 51365cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 514de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 515b78752ccSMarcel Holtmann 516b78752ccSMarcel Holtmann struct work_struct rx_work; 517c347b765SGustavo F. Padovan struct work_struct cmd_work; 5183eff45eaSGustavo F. Padovan struct work_struct tx_work; 5191da177e4SLinus Torvalds 520e68f072bSJohan Hedberg struct work_struct discov_update; 52101b1cb87SJohan Hedberg struct work_struct scan_update; 5227c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 5237c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 5242e93e53bSJohan Hedberg 5251da177e4SLinus Torvalds struct sk_buff_head rx_q; 5261da177e4SLinus Torvalds struct sk_buff_head raw_q; 5271da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds struct sk_buff *sent_cmd; 5301da177e4SLinus Torvalds 531a6a67efdSThomas Gleixner struct mutex req_lock; 5321da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5331da177e4SLinus Torvalds __u32 req_status; 5341da177e4SLinus Torvalds __u32 req_result; 535f60cb305SJohan Hedberg struct sk_buff *req_skb; 536a5040efaSJohan Hedberg 53770db83c4SJohan Hedberg void *smp_data; 538ef8efe4bSJohan Hedberg void *smp_bredr_data; 5392e58ef3eSJohan Hedberg 54030883512SJohan Hedberg struct discovery_state discovery; 5419952d90eSAbhishek Pandit-Subedi 5424867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5434867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5444867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5454867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5464867bd00SAbhishek Pandit-Subedi 5479952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5489952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5499952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5504f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5514f40afc6SAbhishek Pandit-Subedi bool suspended; 5522f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5532f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5542f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5559952d90eSAbhishek Pandit-Subedi 5561da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5575c136e90SAndre Guedes 5585c136e90SAndre Guedes struct list_head mgmt_pending; 5593d4f9c00SArchie Pusaka struct list_head reject_list; 5603d4f9c00SArchie Pusaka struct list_head accept_list; 5612aeb9a1aSJohan Hedberg struct list_head uuids; 56255ed8ca1SJohan Hedberg struct list_head link_keys; 563b899efafSVinicius Costa Gomes struct list_head long_term_keys; 564970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5652763eda6SSzymon Janc struct list_head remote_oob_data; 5663d4f9c00SArchie Pusaka struct list_head le_accept_list; 567cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 56815819a70SAndre Guedes struct list_head le_conn_params; 56977a77a30SAndre Guedes struct list_head pend_le_conns; 57066f8455aSJohan Hedberg struct list_head pend_le_reports; 571600a8749SAlain Michaud struct list_head blocked_keys; 5728961987fSKiran K struct list_head local_codecs; 5732763eda6SSzymon Janc 5741da177e4SLinus Torvalds struct hci_dev_stats stat; 5751da177e4SLinus Torvalds 5761da177e4SLinus Torvalds atomic_t promisc; 5771da177e4SLinus Torvalds 5785177a838SMarcel Holtmann const char *hw_info; 5795177a838SMarcel Holtmann const char *fw_info; 580ca325f69SMarcel Holtmann struct dentry *debugfs; 581ca325f69SMarcel Holtmann 582a91f2e39SMarcel Holtmann struct device dev; 5831da177e4SLinus Torvalds 584611b30f7SMarcel Holtmann struct rfkill *rfkill; 585611b30f7SMarcel Holtmann 586eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 587e1cff700SLinus Torvalds hci_conn_flags_t conn_flags; 588d23264a8SAndre Guedes 5898fa19098SJohan Hedberg __s8 adv_tx_power; 590c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5913f0f524bSJohan Hedberg __u8 adv_data_len; 592c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 593f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5948fa19098SJohan Hedberg 595d2609b34SFlorian Grandel struct list_head adv_instances; 596d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 597d2609b34SFlorian Grandel __u8 cur_adv_instance; 5985d900e46SFlorian Grandel __u16 adv_instance_timeout; 5995d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 600203fea01SArman Uguray 601e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 602e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 603e5e1e7fdSMiao-chen Chou 604863efaf2SJohan Hedberg __u8 irk[16]; 605d6bfd59cSJohan Hedberg __u32 rpa_timeout; 606d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 6072b5224dcSMarcel Holtmann bdaddr_t rpa; 608863efaf2SJohan Hedberg 609c4f1f408SHoward Chung enum { 610c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 611c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 612c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 613c4f1f408SHoward Chung } interleave_scan_state; 614c4f1f408SHoward Chung 615c4f1f408SHoward Chung struct delayed_work interleave_scan; 616c4f1f408SHoward Chung 6173368aa35SManish Mandlik struct list_head monitored_devices; 6188d7f1677SManish Mandlik bool advmon_pend_notify; 6193368aa35SManish Mandlik 62053f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 6216d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 62253f863a6SMarcel Holtmann #endif 6236d5d2ee6SHeiner Kallweit 624145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 625145373cbSMiao-chen Chou __u16 msft_opcode; 626145373cbSMiao-chen Chou void *msft_data; 627a61d6718SMarcel Holtmann bool msft_curve_validity; 628145373cbSMiao-chen Chou #endif 629145373cbSMiao-chen Chou 630f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 631f67743f9SMarcel Holtmann bool aosp_capable; 632749a6c59SJoseph Hwang bool aosp_quality_report; 633f67743f9SMarcel Holtmann #endif 634f67743f9SMarcel Holtmann 6351da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6361da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6371da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 638f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 639a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6407bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6411da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 642c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 64398a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6444b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 64524c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 646e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 6474539ca67SLuiz Augusto von Dentz bool (*wakeup)(struct hci_dev *hdev); 648ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 649248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6509798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6519798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6529798fbdeSKiran K __u8 **vnd_data); 6531da177e4SLinus Torvalds }; 6541da177e4SLinus Torvalds 65553502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 65653502d69SAndrei Emeltchenko 65776b13996SManish Mandlik enum conn_reasons { 65876b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 65976b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 66076b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 66176b13996SManish Mandlik }; 66276b13996SManish Mandlik 6631da177e4SLinus Torvalds struct hci_conn { 6641da177e4SLinus Torvalds struct list_head list; 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds atomic_t refcnt; 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds bdaddr_t dst; 66929b7988aSAndre Guedes __u8 dst_type; 670662e8820SMarcel Holtmann bdaddr_t src; 671e7c4096eSMarcel Holtmann __u8 src_type; 672cb1d68f7SJohan Hedberg bdaddr_t init_addr; 673cb1d68f7SJohan Hedberg __u8 init_addr_type; 674cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 675cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6767087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6771da177e4SLinus Torvalds __u16 handle; 6781da177e4SLinus Torvalds __u16 state; 67904837f64SMarcel Holtmann __u8 mode; 6801da177e4SLinus Torvalds __u8 type; 68140bef302SJohan Hedberg __u8 role; 682a0c808b3SJohan Hedberg bool out; 6834c67bc74SMarcel Holtmann __u8 attempt; 6841da177e4SLinus Torvalds __u8 dev_class[3]; 685cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 686a8746417SMarcel Holtmann __u16 pkt_type; 68704837f64SMarcel Holtmann __u16 link_policy; 68813d39315SWaldemar Rymarkiewicz __u8 key_type; 68940be492fSMarcel Holtmann __u8 auth_type; 6908c1b2355SMarcel Holtmann __u8 sec_level; 691765c2a96SJohan Hedberg __u8 pending_sec_level; 692980e1a53SJohan Hedberg __u8 pin_length; 693726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 69417fa4b9dSJohan Hedberg __u8 io_capability; 69592a25256SJohan Hedberg __u32 passkey_notify; 69692a25256SJohan Hedberg __u8 passkey_entered; 697052b30b0SMarcel Holtmann __u16 disc_timeout; 69809ae260bSJohan Hedberg __u16 conn_timeout; 69910c62ddcSFrédéric Dalleau __u16 setting; 700302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 7011e406eefSAndre Guedes __u16 le_conn_min_interval; 7021e406eefSAndre Guedes __u16 le_conn_max_interval; 703e04fde60SMarcel Holtmann __u16 le_conn_interval; 704e04fde60SMarcel Holtmann __u16 le_conn_latency; 705e04fde60SMarcel Holtmann __u16 le_supv_timeout; 706fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 707fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 7081efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 7091efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 7105ae76a94SAndrzej Kaczmarek __s8 rssi; 7115a134faeSAndrzej Kaczmarek __s8 tx_power; 712d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 71351a8efd7SJohan Hedberg unsigned long flags; 7141da177e4SLinus Torvalds 71576b13996SManish Mandlik enum conn_reasons conn_reason; 71676b13996SManish Mandlik 71733f35721SJohan Hedberg __u32 clock; 71833f35721SJohan Hedberg __u16 clock_accuracy; 71933f35721SJohan Hedberg 720dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 721dd983808SAndrzej Kaczmarek 72203b555e1SJohan Hedberg __u8 remote_cap; 72303b555e1SJohan Hedberg __u8 remote_auth; 7243161ae1cSAndrei Emeltchenko __u8 remote_id; 72503b555e1SJohan Hedberg 7261da177e4SLinus Torvalds unsigned int sent; 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds struct sk_buff_head data_q; 7292c33c06aSGustavo F. Padovan struct list_head chan_list; 7301da177e4SLinus Torvalds 73119c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7327bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 733a74a84f6SJohan Hedberg struct delayed_work idle_work; 7349489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7358ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7361da177e4SLinus Torvalds 737b219e3acSMarcel Holtmann struct device dev; 73823b9ceb7SMarcel Holtmann struct dentry *debugfs; 739b219e3acSMarcel Holtmann 7401da177e4SLinus Torvalds struct hci_dev *hdev; 7411da177e4SLinus Torvalds void *l2cap_data; 7421da177e4SLinus Torvalds void *sco_data; 7439740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds struct hci_conn *link; 746b2af264aSKiran K struct bt_codec codec; 747e9a416b5SJohan Hedberg 748e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 749e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 750e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7511da177e4SLinus Torvalds }; 7521da177e4SLinus Torvalds 75373d80debSLuiz Augusto von Dentz struct hci_chan { 75473d80debSLuiz Augusto von Dentz struct list_head list; 75542c4e53eSAndrei Emeltchenko __u16 handle; 75673d80debSLuiz Augusto von Dentz struct hci_conn *conn; 75773d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 75873d80debSLuiz Augusto von Dentz unsigned int sent; 759168df8e5SMat Martineau __u8 state; 7605c4c8c95SArchie Pusaka bool amp; 76173d80debSLuiz Augusto von Dentz }; 76273d80debSLuiz Augusto von Dentz 76315819a70SAndre Guedes struct hci_conn_params { 76415819a70SAndre Guedes struct list_head list; 76593450c75SJohan Hedberg struct list_head action; 76615819a70SAndre Guedes 76715819a70SAndre Guedes bdaddr_t addr; 76815819a70SAndre Guedes u8 addr_type; 76915819a70SAndre Guedes 77015819a70SAndre Guedes u16 conn_min_interval; 77115819a70SAndre Guedes u16 conn_max_interval; 772f044eb05SMarcel Holtmann u16 conn_latency; 773f044eb05SMarcel Holtmann u16 supervision_timeout; 7749fcb18efSAndre Guedes 7759fcb18efSAndre Guedes enum { 7769fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 777a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7784b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7799fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7809fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 781158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7829fcb18efSAndre Guedes } auto_connect; 783f161dd41SJohan Hedberg 784f161dd41SJohan Hedberg struct hci_conn *conn; 785158e9218SJakub Pawlowski bool explicit_connect; 786e1cff700SLinus Torvalds hci_conn_flags_t flags; 787853b70b5SLuiz Augusto von Dentz u8 privacy_mode; 78815819a70SAndre Guedes }; 78915819a70SAndre Guedes 7901da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7911da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7921da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 793fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7941da177e4SLinus Torvalds 795eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 796eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 797eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 798eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 799eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 800eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 801eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 802d7a5a11dSMarcel Holtmann 803eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 804eacb44dfSMarcel Holtmann do { \ 805eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 806eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 8072eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 808eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 809ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 810eacb44dfSMarcel Holtmann } while (0) 811516018a9SMarcel Holtmann 8124fc9857aSLuiz Augusto von Dentz #define hci_dev_le_state_simultaneous(hdev) \ 8134fc9857aSLuiz Augusto von Dentz (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \ 8144fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x08) && /* Central */ \ 8154fc9857aSLuiz Augusto von Dentz (hdev->le_states[4] & 0x40) && /* Peripheral */ \ 8164fc9857aSLuiz Augusto von Dentz (hdev->le_states[3] & 0x10)) /* Simultaneous */ 8174fc9857aSLuiz Augusto von Dentz 818686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 819e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 820e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 8219b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 822686ebf28SUlisses Furquim 823ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 824e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 8259b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 826ff50e8afSArron Wang #else 827ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 828ff50e8afSArron Wang __u8 *flags) 829ff50e8afSArron Wang { 830ff50e8afSArron Wang return 0; 831ff50e8afSArron Wang } 832ff50e8afSArron Wang 833ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 834ff50e8afSArron Wang { 835ff50e8afSArron Wang } 836ff50e8afSArron Wang #endif 837686ebf28SUlisses Furquim 8381da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 83970f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 84070f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8411da177e4SLinus Torvalds 84230883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8431da177e4SLinus Torvalds { 844ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 84530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 84630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 84730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 848da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 84937eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8501da177e4SLinus Torvalds } 8511da177e4SLinus Torvalds 8520256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8530256325eSMarcel Holtmann { 85482f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 855da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8560256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8570256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8580256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8590256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8602d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8612d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8620256325eSMarcel Holtmann } 8630256325eSMarcel Holtmann 86430dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 86530dc78e1SJohan Hedberg 866ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 867ff9ef578SJohan Hedberg 8681da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8691da177e4SLinus Torvalds { 87030883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8711da177e4SLinus Torvalds } 8721da177e4SLinus Torvalds 8731da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8741da177e4SLinus Torvalds { 87530883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8761da177e4SLinus Torvalds return jiffies - c->timestamp; 8771da177e4SLinus Torvalds } 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8801da177e4SLinus Torvalds { 8811da177e4SLinus Torvalds return jiffies - e->timestamp; 8821da177e4SLinus Torvalds } 8831da177e4SLinus Torvalds 8845a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8855a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 886561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 887561aafbcSJohan Hedberg bdaddr_t *bdaddr); 88830dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 88930dc78e1SJohan Hedberg bdaddr_t *bdaddr, 89030dc78e1SJohan Hedberg int state); 891a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 892a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 893af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 894af58925cSMarcel Holtmann bool name_known); 8951f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8981da177e4SLinus Torvalds enum { 8991da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 90019f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 9011da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 90204837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 90304837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 904e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 905b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 90658a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 907eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 908abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 90958a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 910af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 9114dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 9124dae2798SJohan Hedberg HCI_CONN_AUTH, 9134dae2798SJohan Hedberg HCI_CONN_SECURE, 9144dae2798SJohan Hedberg HCI_CONN_FIPS, 915fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 916977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 917f94b665dSJohan Hedberg HCI_CONN_DROP, 91889cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 919fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 920158e9218SJakub Pawlowski HCI_CONN_SCANNING, 921160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 9221da177e4SLinus Torvalds }; 9231da177e4SLinus Torvalds 924aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 925aa64a8b5SJohan Hedberg { 926aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 927d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 928c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 929aa64a8b5SJohan Hedberg } 930aa64a8b5SJohan Hedberg 931eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 932eb9a8f3fSMarcel Holtmann { 933eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 934d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 935eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 936eb9a8f3fSMarcel Holtmann } 937eb9a8f3fSMarcel Holtmann 9381da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9391da177e4SLinus Torvalds { 9401da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 941bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 942fcd89c09SVille Tervo switch (c->type) { 943fcd89c09SVille Tervo case ACL_LINK: 9441da177e4SLinus Torvalds h->acl_num++; 945fcd89c09SVille Tervo break; 946bd1eb66bSAndrei Emeltchenko case AMP_LINK: 947bd1eb66bSAndrei Emeltchenko h->amp_num++; 948bd1eb66bSAndrei Emeltchenko break; 949fcd89c09SVille Tervo case LE_LINK: 950fcd89c09SVille Tervo h->le_num++; 951f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 95239bc74caSArchie Pusaka h->le_num_peripheral++; 953fcd89c09SVille Tervo break; 954fcd89c09SVille Tervo case SCO_LINK: 955fcd89c09SVille Tervo case ESCO_LINK: 9561da177e4SLinus Torvalds h->sco_num++; 957fcd89c09SVille Tervo break; 958fcd89c09SVille Tervo } 9591da177e4SLinus Torvalds } 9601da177e4SLinus Torvalds 9611da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9621da177e4SLinus Torvalds { 9631da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 964bf4c6325SGustavo F. Padovan 965bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 966bf4c6325SGustavo F. Padovan synchronize_rcu(); 967bf4c6325SGustavo F. Padovan 968fcd89c09SVille Tervo switch (c->type) { 969fcd89c09SVille Tervo case ACL_LINK: 9701da177e4SLinus Torvalds h->acl_num--; 971fcd89c09SVille Tervo break; 972bd1eb66bSAndrei Emeltchenko case AMP_LINK: 973bd1eb66bSAndrei Emeltchenko h->amp_num--; 974bd1eb66bSAndrei Emeltchenko break; 975fcd89c09SVille Tervo case LE_LINK: 976fcd89c09SVille Tervo h->le_num--; 977f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 97839bc74caSArchie Pusaka h->le_num_peripheral--; 979fcd89c09SVille Tervo break; 980fcd89c09SVille Tervo case SCO_LINK: 981fcd89c09SVille Tervo case ESCO_LINK: 9821da177e4SLinus Torvalds h->sco_num--; 983fcd89c09SVille Tervo break; 984fcd89c09SVille Tervo } 9851da177e4SLinus Torvalds } 9861da177e4SLinus Torvalds 98752087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 98852087a79SLuiz Augusto von Dentz { 98952087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 99052087a79SLuiz Augusto von Dentz switch (type) { 99152087a79SLuiz Augusto von Dentz case ACL_LINK: 99252087a79SLuiz Augusto von Dentz return h->acl_num; 993bd1eb66bSAndrei Emeltchenko case AMP_LINK: 994bd1eb66bSAndrei Emeltchenko return h->amp_num; 99552087a79SLuiz Augusto von Dentz case LE_LINK: 99652087a79SLuiz Augusto von Dentz return h->le_num; 99752087a79SLuiz Augusto von Dentz case SCO_LINK: 99852087a79SLuiz Augusto von Dentz case ESCO_LINK: 99952087a79SLuiz Augusto von Dentz return h->sco_num; 100052087a79SLuiz Augusto von Dentz default: 100152087a79SLuiz Augusto von Dentz return 0; 100252087a79SLuiz Augusto von Dentz } 100352087a79SLuiz Augusto von Dentz } 100452087a79SLuiz Augusto von Dentz 1005f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 1006f4f07505SJohan Hedberg { 1007f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 1008f4f07505SJohan Hedberg 1009f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 1010f4f07505SJohan Hedberg } 1011f4f07505SJohan Hedberg 1012845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 1013845472e8SMarcel Holtmann { 1014845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 1015845472e8SMarcel Holtmann struct hci_conn *c; 1016845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 1017845472e8SMarcel Holtmann 1018845472e8SMarcel Holtmann rcu_read_lock(); 1019845472e8SMarcel Holtmann 1020845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 1021845472e8SMarcel Holtmann if (c->handle == handle) { 1022845472e8SMarcel Holtmann type = c->type; 1023845472e8SMarcel Holtmann break; 1024845472e8SMarcel Holtmann } 1025845472e8SMarcel Holtmann } 1026845472e8SMarcel Holtmann 1027845472e8SMarcel Holtmann rcu_read_unlock(); 1028845472e8SMarcel Holtmann 1029845472e8SMarcel Holtmann return type; 1030845472e8SMarcel Holtmann } 1031845472e8SMarcel Holtmann 10321da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 10331da177e4SLinus Torvalds __u16 handle) 10341da177e4SLinus Torvalds { 10351da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10361da177e4SLinus Torvalds struct hci_conn *c; 10371da177e4SLinus Torvalds 1038bf4c6325SGustavo F. Padovan rcu_read_lock(); 1039bf4c6325SGustavo F. Padovan 1040bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1041bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1042bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10431da177e4SLinus Torvalds return c; 10441da177e4SLinus Torvalds } 1045bf4c6325SGustavo F. Padovan } 1046bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1047bf4c6325SGustavo F. Padovan 10481da177e4SLinus Torvalds return NULL; 10491da177e4SLinus Torvalds } 10501da177e4SLinus Torvalds 10511da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 10521da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 10531da177e4SLinus Torvalds { 10541da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10551da177e4SLinus Torvalds struct hci_conn *c; 10561da177e4SLinus Torvalds 1057bf4c6325SGustavo F. Padovan rcu_read_lock(); 1058bf4c6325SGustavo F. Padovan 1059bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1060bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1061bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10621da177e4SLinus Torvalds return c; 10631da177e4SLinus Torvalds } 1064bf4c6325SGustavo F. Padovan } 1065bf4c6325SGustavo F. Padovan 1066bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1067bf4c6325SGustavo F. Padovan 10681da177e4SLinus Torvalds return NULL; 10691da177e4SLinus Torvalds } 10701da177e4SLinus Torvalds 10711b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10721b51c7b6SJohan Hedberg bdaddr_t *ba, 10731b51c7b6SJohan Hedberg __u8 ba_type) 10741b51c7b6SJohan Hedberg { 10751b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10761b51c7b6SJohan Hedberg struct hci_conn *c; 10771b51c7b6SJohan Hedberg 10781b51c7b6SJohan Hedberg rcu_read_lock(); 10791b51c7b6SJohan Hedberg 10801b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10811b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10821b51c7b6SJohan Hedberg continue; 10831b51c7b6SJohan Hedberg 10841b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10851b51c7b6SJohan Hedberg rcu_read_unlock(); 10861b51c7b6SJohan Hedberg return c; 10871b51c7b6SJohan Hedberg } 10881b51c7b6SJohan Hedberg } 10891b51c7b6SJohan Hedberg 10901b51c7b6SJohan Hedberg rcu_read_unlock(); 10911b51c7b6SJohan Hedberg 10921b51c7b6SJohan Hedberg return NULL; 10931b51c7b6SJohan Hedberg } 10941b51c7b6SJohan Hedberg 10954c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10964c67bc74SMarcel Holtmann __u8 type, __u16 state) 10974c67bc74SMarcel Holtmann { 10984c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10994c67bc74SMarcel Holtmann struct hci_conn *c; 11004c67bc74SMarcel Holtmann 1101bf4c6325SGustavo F. Padovan rcu_read_lock(); 1102bf4c6325SGustavo F. Padovan 1103bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1104bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1105bf4c6325SGustavo F. Padovan rcu_read_unlock(); 11064c67bc74SMarcel Holtmann return c; 11074c67bc74SMarcel Holtmann } 1108bf4c6325SGustavo F. Padovan } 1109bf4c6325SGustavo F. Padovan 1110bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1111bf4c6325SGustavo F. Padovan 11124c67bc74SMarcel Holtmann return NULL; 11134c67bc74SMarcel Holtmann } 11144c67bc74SMarcel Holtmann 1115e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1116e7d9ab73SJakub Pawlowski { 1117e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1118e7d9ab73SJakub Pawlowski struct hci_conn *c; 1119e7d9ab73SJakub Pawlowski 1120e7d9ab73SJakub Pawlowski rcu_read_lock(); 1121e7d9ab73SJakub Pawlowski 1122e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1123e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1124e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1125e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1126e7d9ab73SJakub Pawlowski return c; 1127e7d9ab73SJakub Pawlowski } 1128e7d9ab73SJakub Pawlowski } 1129e7d9ab73SJakub Pawlowski 1130e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1131e7d9ab73SJakub Pawlowski 1132e7d9ab73SJakub Pawlowski return NULL; 1133e7d9ab73SJakub Pawlowski } 1134e7d9ab73SJakub Pawlowski 1135e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 11362dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1137e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 11381da177e4SLinus Torvalds 1139a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1140a5c4e309SJohan Hedberg u8 role); 11411da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 11421da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1143a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 11441da177e4SLinus Torvalds 114573d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 11469472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 11472c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 114842c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 114973d80debSLuiz Augusto von Dentz 1150f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1151f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 115276b13996SManish Mandlik u16 conn_timeout, 115376b13996SManish Mandlik enum conn_reasons conn_reason); 115404a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1155d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 11568e8b92eeSLuiz Augusto von Dentz u16 conn_timeout, u8 role); 115704a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 115876b13996SManish Mandlik u8 sec_level, u8 auth_type, 115976b13996SManish Mandlik enum conn_reasons conn_reason); 116010c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1161b2af264aSKiran K __u16 setting, struct bt_codec *codec); 1162e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1163b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1164e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1165e7cafc45SJohan Hedberg bool initiator); 11668c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11671da177e4SLinus Torvalds 116814b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11691da177e4SLinus Torvalds 11709b3628d7SLuiz Augusto von Dentz void hci_conn_failed(struct hci_conn *conn, u8 status); 117106c053fbSAndre Guedes 11728d12356fSDavid Herrmann /* 11738d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11748d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11758d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11768d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11778d12356fSDavid Herrmann * other constant data. 11788d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11798d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11808d12356fSDavid Herrmann * get dropped, though. 11818d12356fSDavid Herrmann * 11828d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11838d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11848d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11858d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11868d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11878d12356fSDavid Herrmann * hci_conn_add()). 11888d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11898d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11908d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11918d12356fSDavid Herrmann */ 11928d12356fSDavid Herrmann 119351bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11948d12356fSDavid Herrmann { 11958d12356fSDavid Herrmann get_device(&conn->dev); 119651bb8457SJohan Hedberg return conn; 11978d12356fSDavid Herrmann } 11988d12356fSDavid Herrmann 11998d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 12008d12356fSDavid Herrmann { 12018d12356fSDavid Herrmann put_device(&conn->dev); 12028d12356fSDavid Herrmann } 12038d12356fSDavid Herrmann 12041da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 12051da177e4SLinus Torvalds { 120671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 120738b3fef1SAndrei Emeltchenko 12081da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 12092f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 12101da177e4SLinus Torvalds } 12111da177e4SLinus Torvalds 121276a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 12131da177e4SLinus Torvalds { 121471becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 121538b3fef1SAndrei Emeltchenko 12161da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 121704837f64SMarcel Holtmann unsigned long timeo; 1218716e4ab5SAndrei Emeltchenko 1219716e4ab5SAndrei Emeltchenko switch (conn->type) { 1220716e4ab5SAndrei Emeltchenko case ACL_LINK: 1221716e4ab5SAndrei Emeltchenko case LE_LINK: 1222a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 12236ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 12245f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 122504837f64SMarcel Holtmann if (!conn->out) 1226052b30b0SMarcel Holtmann timeo *= 2; 12275a9d0a3fSWaldemar Rymarkiewicz } else { 1228eb78d7e5SJohan Hedberg timeo = 0; 12295a9d0a3fSWaldemar Rymarkiewicz } 1230716e4ab5SAndrei Emeltchenko break; 1231716e4ab5SAndrei Emeltchenko 1232716e4ab5SAndrei Emeltchenko case AMP_LINK: 1233716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1234716e4ab5SAndrei Emeltchenko break; 1235716e4ab5SAndrei Emeltchenko 1236716e4ab5SAndrei Emeltchenko default: 1237eb78d7e5SJohan Hedberg timeo = 0; 1238716e4ab5SAndrei Emeltchenko break; 12395a9d0a3fSWaldemar Rymarkiewicz } 1240716e4ab5SAndrei Emeltchenko 12412f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 124219c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 12431931782bSVinicius Costa Gomes &conn->disc_work, timeo); 12441da177e4SLinus Torvalds } 12451da177e4SLinus Torvalds } 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1248dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 12491da177e4SLinus Torvalds { 1250376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12512c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1252376261aeSAndrei Emeltchenko 12534c724c71SDavid Herrmann put_device(&d->dev); 1254010666a1SDavid Herrmann } 12551da177e4SLinus Torvalds 1256dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12571da177e4SLinus Torvalds { 1258376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12592c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1260376261aeSAndrei Emeltchenko 12614c724c71SDavid Herrmann get_device(&d->dev); 12621da177e4SLinus Torvalds return d; 12631da177e4SLinus Torvalds } 12641da177e4SLinus Torvalds 126509fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 126609fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12671da177e4SLinus Torvalds 1268aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12693dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1270aa2b86d7SDavid Herrmann 1271155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1272155961e8SDavid Herrmann { 1273155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1274155961e8SDavid Herrmann } 1275155961e8SDavid Herrmann 1276155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1277155961e8SDavid Herrmann { 1278155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1279155961e8SDavid Herrmann } 1280155961e8SDavid Herrmann 12816ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 12826ec56613STedd Ho-Jeong An { 12836ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 12846ec56613STedd Ho-Jeong An } 12856ec56613STedd Ho-Jeong An 12861da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 128739385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12881da177e4SLinus Torvalds 12896ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 12906ec56613STedd Ho-Jeong An 12916ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 12926ec56613STedd Ho-Jeong An { 12936ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 12946ec56613STedd Ho-Jeong An } 12956ec56613STedd Ho-Jeong An 12961da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12971da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 129859735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 129958ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 1300359ee4f8SAbhishek Pandit-Subedi int hci_register_suspend_notifier(struct hci_dev *hdev); 1301359ee4f8SAbhishek Pandit-Subedi int hci_unregister_suspend_notifier(struct hci_dev *hdev); 13021da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 13031da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 130475e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1305f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1306f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 13071aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 13081aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1309145373cbSMiao-chen Chou 1310145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1311145373cbSMiao-chen Chou { 1312145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1313145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1314145373cbSMiao-chen Chou #endif 1315145373cbSMiao-chen Chou } 1316145373cbSMiao-chen Chou 1317f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1318f67743f9SMarcel Holtmann { 1319f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1320f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1321f67743f9SMarcel Holtmann #endif 1322f67743f9SMarcel Holtmann } 1323f67743f9SMarcel Holtmann 13241da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 13251da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 13266b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 13271da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 13281da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 13291da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 13301da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 13311da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 13321da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 13331da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 133440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 13351da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 13361da177e4SLinus Torvalds 1337dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1338b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1339b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1340b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1341b950aa88SAnkit Navik u8 type); 13428baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 13438baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13448baaa403SAbhishek Pandit-Subedi u8 type); 1345dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1346b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1347b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 13488baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13498baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1350dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1351b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1352b950aa88SAnkit Navik u8 type); 13538baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13548baaa403SAbhishek Pandit-Subedi u8 type); 1355dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1356d2ab0ac1SMarcel Holtmann 135715819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 135815819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 135951d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 136051d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 136115819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 136255af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 136315819a70SAndre Guedes 1364501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1365501f8827SJohan Hedberg bdaddr_t *addr, 1366501f8827SJohan Hedberg u8 addr_type); 136777a77a30SAndre Guedes 136835f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13692aeb9a1aSJohan Hedberg 137035f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 137155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1372567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13737652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13747652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1375ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 137635d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1377fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1378f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1379e804d25dSJohan Hedberg u8 addr_type, u8 role); 1380e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 138135f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 138255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 138355ed8ca1SJohan Hedberg 1384970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1385970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1386970c4e46SJohan Hedberg u8 addr_type); 1387ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1388ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1389a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1390600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1391600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1392970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1393970c4e46SJohan Hedberg 139455e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 139555e76b38SJohan Hedberg 139635f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13972763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13986928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13990798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 14006928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 140138da1703SJohan Hedberg u8 *hash256, u8 *rand256); 14026928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 14036928a924SJohan Hedberg u8 bdaddr_type); 14042763eda6SSzymon Janc 1405d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1406d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1407d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1408d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1409d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1410d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 14119bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 14129bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 141331aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 141431aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 141531aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1416d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1417a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 141801ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 141901ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1420d2609b34SFlorian Grandel 1421e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 142266bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1423b747a836SManish Mandlik int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1424*7cf5c297SManish Mandlik int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle); 1425*7cf5c297SManish Mandlik int hci_remove_all_adv_monitor(struct hci_dev *hdev); 14268208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1427a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1428e5e1e7fdSMiao-chen Chou 14291da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 14301da177e4SLinus Torvalds 14310ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1432a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1433b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1434b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 14351da177e4SLinus Torvalds 14366935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 14371da177e4SLinus Torvalds 14381da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1439cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1440cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1441cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1442cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1443cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1444cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1445cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1446cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1447cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1448cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1449cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 14508b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1451cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1452cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1453cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1454cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1455cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1456cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1457cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 145807a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 14595075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 14605075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 14615075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 14625075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 14631da177e4SLinus Torvalds 1464eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 14656397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 14666397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 146753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 146853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1469d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1470d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 147153b834d2SMarcel Holtmann 147253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1473cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1474d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1475cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1476cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1477eead27daSAndre Guedes 1478d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1479d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 148005b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1481d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1482c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1483c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1484c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1485c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1486432df05eSJohan Hedberg 148745bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 148845bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 148945bdd86eSJaganath Kanakkassery 149045bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 149145bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 149245bdd86eSJaganath Kanakkassery 149345bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 149445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 149545bdd86eSJaganath Kanakkassery 1496ad383c2cSLuiz Augusto von Dentz #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1497ad383c2cSLuiz Augusto von Dentz 1498e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1499ad383c2cSLuiz Augusto von Dentz #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \ 1500ad383c2cSLuiz Augusto von Dentz hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY)) 1501e1d57235SMarcel Holtmann 15026126ffabSLuiz Augusto von Dentz #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \ 15036126ffabSLuiz Augusto von Dentz (hdev->commands[39] & 0x04)) 15046126ffabSLuiz Augusto von Dentz 150505abad85SLuiz Augusto von Dentz /* Use enhanced synchronous connection if command is supported and its quirk 150605abad85SLuiz Augusto von Dentz * has not been set. 150705abad85SLuiz Augusto von Dentz */ 150805abad85SLuiz Augusto von Dentz #define enhanced_sync_conn_capable(dev) \ 150905abad85SLuiz Augusto von Dentz (((dev)->commands[29] & 0x08) && \ 151005abad85SLuiz Augusto von Dentz !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks)) 1511b2af264aSKiran K 1512a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1513a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1514a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 15154d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 15164d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1517a2344b9eSJaganath Kanakkassery 15186b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 15196b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 15206b49bcb4SJaganath Kanakkassery 1521a56a1138SLuiz Augusto von Dentz /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789: 1522a56a1138SLuiz Augusto von Dentz * 1523a56a1138SLuiz Augusto von Dentz * C24: Mandatory if the LE Controller supports Connection State and either 1524a56a1138SLuiz Augusto von Dentz * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported 1525a56a1138SLuiz Augusto von Dentz */ 1526a56a1138SLuiz Augusto von Dentz #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \ 1527a56a1138SLuiz Augusto von Dentz ext_adv_capable(dev)) 1528a56a1138SLuiz Augusto von Dentz 15291da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 153020714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 153120714bfeSFrédéric Dalleau 15325a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 153320714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 15341da177e4SLinus Torvalds { 1535686ebf28SUlisses Furquim switch (type) { 1536686ebf28SUlisses Furquim case ACL_LINK: 1537686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 15381da177e4SLinus Torvalds 1539686ebf28SUlisses Furquim case SCO_LINK: 1540686ebf28SUlisses Furquim case ESCO_LINK: 154120714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 15421da177e4SLinus Torvalds 1543686ebf28SUlisses Furquim default: 1544686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1545686ebf28SUlisses Furquim return -EINVAL; 1546686ebf28SUlisses Furquim } 15471da177e4SLinus Torvalds } 15481da177e4SLinus Torvalds 15492950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 15502950f21aSMarcel Holtmann { 1551686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1552686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 15532950f21aSMarcel Holtmann 1554686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 15552950f21aSMarcel Holtmann } 15562950f21aSMarcel Holtmann 15571da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 15581da177e4SLinus Torvalds struct hci_cb { 15591da177e4SLinus Torvalds struct list_head list; 15601da177e4SLinus Torvalds 15611da177e4SLinus Torvalds char *name; 15621da177e4SLinus Torvalds 1563539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 15643a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 15655a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 15665a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 15671da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 15681da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 15691da177e4SLinus Torvalds }; 15701da177e4SLinus Torvalds 1571539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1572539c496dSJohan Hedberg { 1573539c496dSJohan Hedberg struct hci_cb *cb; 1574539c496dSJohan Hedberg 1575539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1576539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1577539c496dSJohan Hedberg if (cb->connect_cfm) 1578539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1579539c496dSJohan Hedberg } 1580539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1581539c496dSJohan Hedberg 1582539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1583539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1584539c496dSJohan Hedberg } 1585539c496dSJohan Hedberg 15863a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 15873a6d576bSJohan Hedberg { 15883a6d576bSJohan Hedberg struct hci_cb *cb; 15893a6d576bSJohan Hedberg 15903a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 15913a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 15923a6d576bSJohan Hedberg if (cb->disconn_cfm) 15933a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15943a6d576bSJohan Hedberg } 15953a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15963a6d576bSJohan Hedberg 15973a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15983a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15993a6d576bSJohan Hedberg } 16003a6d576bSJohan Hedberg 16011da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 16021da177e4SLinus Torvalds { 1603711584eaSDenis Kirjanov struct hci_cb *cb; 16048c1b2355SMarcel Holtmann __u8 encrypt; 16051da177e4SLinus Torvalds 160651a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 16078c1b2355SMarcel Holtmann return; 16088c1b2355SMarcel Holtmann 16094dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 16108c1b2355SMarcel Holtmann 1611fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1612711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16138c1b2355SMarcel Holtmann if (cb->security_cfm) 16148c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16151da177e4SLinus Torvalds } 1616fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1617354fe804SJohan Hedberg 1618354fe804SJohan Hedberg if (conn->security_cfm_cb) 1619354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16201da177e4SLinus Torvalds } 16211da177e4SLinus Torvalds 16223ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 16231da177e4SLinus Torvalds { 1624711584eaSDenis Kirjanov struct hci_cb *cb; 16253ca44c16SLuiz Augusto von Dentz __u8 encrypt; 16263ca44c16SLuiz Augusto von Dentz 16273ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1628339ddaa6SPatrick Steinhardt if (!status) 16293ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 16303ca44c16SLuiz Augusto von Dentz 16313ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 16323ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 16333ca44c16SLuiz Augusto von Dentz return; 16343ca44c16SLuiz Augusto von Dentz } 16353ca44c16SLuiz Augusto von Dentz 16363ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 16373ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 16383ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 16393ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 16403ca44c16SLuiz Augusto von Dentz else 16413ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 16421da177e4SLinus Torvalds 16438746f135SLuiz Augusto von Dentz if (!status) { 1644435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1645435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1646435fef20SMarcel Holtmann 164788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 164888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 16498746f135SLuiz Augusto von Dentz } 165088167aedSVinicius Costa Gomes 1651fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1652711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16538c1b2355SMarcel Holtmann if (cb->security_cfm) 16548c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16551da177e4SLinus Torvalds } 1656fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1657354fe804SJohan Hedberg 1658354fe804SJohan Hedberg if (conn->security_cfm_cb) 1659354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16601da177e4SLinus Torvalds } 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 16631da177e4SLinus Torvalds { 1664711584eaSDenis Kirjanov struct hci_cb *cb; 16651da177e4SLinus Torvalds 1666fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1667711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16681da177e4SLinus Torvalds if (cb->key_change_cfm) 16691da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 16701da177e4SLinus Torvalds } 1671fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16721da177e4SLinus Torvalds } 16731da177e4SLinus Torvalds 16745a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 16755a9d0a3fSWaldemar Rymarkiewicz __u8 role) 16761da177e4SLinus Torvalds { 1677711584eaSDenis Kirjanov struct hci_cb *cb; 16781da177e4SLinus Torvalds 1679fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1680711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16811da177e4SLinus Torvalds if (cb->role_switch_cfm) 16821da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 16831da177e4SLinus Torvalds } 1684fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16851da177e4SLinus Torvalds } 16861da177e4SLinus Torvalds 1687301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1688301cb2d8SJohan Hedberg { 1689dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1690301cb2d8SJohan Hedberg return false; 1691301cb2d8SJohan Hedberg 1692301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1693301cb2d8SJohan Hedberg return true; 1694301cb2d8SJohan Hedberg 1695301cb2d8SJohan Hedberg return false; 1696301cb2d8SJohan Hedberg } 1697301cb2d8SJohan Hedberg 1698c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1699c46245b3SJohan Hedberg { 1700c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1701c46245b3SJohan Hedberg return true; 1702c46245b3SJohan Hedberg 1703c46245b3SJohan Hedberg /* Check for Random Static address type */ 1704c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1705c46245b3SJohan Hedberg return true; 1706c46245b3SJohan Hedberg 1707c46245b3SJohan Hedberg return false; 1708c46245b3SJohan Hedberg } 1709c46245b3SJohan Hedberg 17102426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 17112426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 17122426f3a5SJohan Hedberg { 17132426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 17142426f3a5SJohan Hedberg return NULL; 17152426f3a5SJohan Hedberg 17162426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 17172426f3a5SJohan Hedberg } 17182426f3a5SJohan Hedberg 1719d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1720d4905f24SAndre Guedes u16 to_multiplier) 1721d4905f24SAndre Guedes { 1722d4905f24SAndre Guedes u16 max_latency; 1723d4905f24SAndre Guedes 1724d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1725d4905f24SAndre Guedes return -EINVAL; 1726d4905f24SAndre Guedes 1727d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1728d4905f24SAndre Guedes return -EINVAL; 1729d4905f24SAndre Guedes 1730d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1731d4905f24SAndre Guedes return -EINVAL; 1732d4905f24SAndre Guedes 17338757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1734d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1735d4905f24SAndre Guedes return -EINVAL; 1736d4905f24SAndre Guedes 1737d4905f24SAndre Guedes return 0; 1738d4905f24SAndre Guedes } 1739d4905f24SAndre Guedes 17401da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 17411da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 17421da177e4SLinus Torvalds 1743d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1744d6ee6ad7SLoic Poulain const void *param); 174575e84b7cSJohan Hedberg 174607dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 174707dc93ddSJohan Hedberg const void *param); 174873d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 17490d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 17501da177e4SLinus Torvalds 1751a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 17521da177e4SLinus Torvalds 1753eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1754eab2404bSLuiz Augusto von Dentz 17551da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1756470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 17577129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1758c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1759cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 176038ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 176138ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 176238ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 17631da177e4SLinus Torvalds 1764040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1765040030efSMarcel Holtmann 1766a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1767a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1768a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1769a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1770d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1771b9a245fbSJohan Hedberg 1772801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1773801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1774801c1e8dSJohan Hedberg u16 data_len); 1775801c1e8dSJohan Hedberg size_t data_len; 1776b9a245fbSJohan Hedberg unsigned long flags; 1777801c1e8dSJohan Hedberg }; 1778801c1e8dSJohan Hedberg 1779801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1780801c1e8dSJohan Hedberg struct list_head list; 1781801c1e8dSJohan Hedberg unsigned short channel; 1782801c1e8dSJohan Hedberg size_t handler_count; 1783801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 178488b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1785801c1e8dSJohan Hedberg }; 1786801c1e8dSJohan Hedberg 1787801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1788801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1789801c1e8dSJohan Hedberg 17900381101fSJohan Hedberg /* Management interface */ 1791591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1792591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1793591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1794591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1795591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1796591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1797f39799f5SAndre Guedes 17980d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17990d8cc935SAndre Guedes * Discovery Procedure specification. 18000d8cc935SAndre Guedes */ 18010d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 18020d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 18033d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1804ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 18050d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 18060d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 18074b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1808cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1809cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 18100d8cc935SAndre Guedes 1811dbf6811aSArchie Pusaka #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */ 1812dbf6811aSArchie Pusaka 181303c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 181491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1815bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1816bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 18173eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 18182ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 18192ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1820dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1821745c0ce3SVishal Agarwal bool persistent); 182248ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 18231c6ed31bSYu Liu u8 *name, u8 name_len); 18249b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 182512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 182612d4a3b2SJohan Hedberg bool mgmt_connected); 18277892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 182888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1829445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 183048264f06SJohan Hedberg u8 addr_type, u8 status); 1831ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1832e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1833c35938b2SSzymon Janc u8 status); 18343eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1835744cf19eSJohan Hedberg u8 status); 1836744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 183739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1838272d90dfSJohan Hedberg u8 confirm_hint); 1839744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1840272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1841272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1842272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1843272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1844272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1845604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1846272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1847272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1848272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 184992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 185092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 185192a25256SJohan Hedberg u8 entered); 1852e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1853464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 18544e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 18557f9a903cSMarcel Holtmann u8 status); 18567667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1857e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 18582154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1859901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1860af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1861af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 18629cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1863b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 18642f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1865346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1866346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1867346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 186884c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 186953ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1870cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 187153ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 187253ac6ab6SMarcel Holtmann bool persistent); 1873ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1874f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1875f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1876f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1877f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 1878f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1879f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1880f2252570SJohan Hedberg u8 instance); 1881f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1882f2252570SJohan Hedberg u8 instance); 188366bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1884b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 18858d7f1677SManish Mandlik void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle, 18868d7f1677SManish Mandlik bdaddr_t *bdaddr, u8 addr_type); 1887346af67bSVinicius Costa Gomes 18887d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 18897d6ca693SJohan Hedberg u16 to_multiplier); 1890fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18918b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18922519a1fcSAndre Guedes 1893a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1894a1f4c318SJohan Hedberg u8 *bdaddr_type); 1895ebd3a747SJohan Hedberg 18965d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18975d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18985d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18995d4d62f6SFrédéric Dalleau 19008961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 19018961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 19028961987fSKiran K 19038961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 19048961987fSKiran K 19051da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1906