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> 33f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 341da177e4SLinus Torvalds 355e59b791SLuiz Augusto von Dentz /* HCI priority */ 365e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 375e59b791SLuiz Augusto von Dentz 381da177e4SLinus Torvalds /* HCI Core structures */ 391da177e4SLinus Torvalds struct inquiry_data { 401da177e4SLinus Torvalds bdaddr_t bdaddr; 411da177e4SLinus Torvalds __u8 pscan_rep_mode; 421da177e4SLinus Torvalds __u8 pscan_period_mode; 431da177e4SLinus Torvalds __u8 pscan_mode; 441da177e4SLinus Torvalds __u8 dev_class[3]; 451ebb9252SMarcel Holtmann __le16 clock_offset; 461da177e4SLinus Torvalds __s8 rssi; 4741a96212SMarcel Holtmann __u8 ssp_mode; 481da177e4SLinus Torvalds }; 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds struct inquiry_entry { 51561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 52561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 53561aafbcSJohan Hedberg enum { 54561aafbcSJohan Hedberg NAME_NOT_KNOWN, 55561aafbcSJohan Hedberg NAME_NEEDED, 56561aafbcSJohan Hedberg NAME_PENDING, 57561aafbcSJohan Hedberg NAME_KNOWN, 58561aafbcSJohan Hedberg } name_state; 591da177e4SLinus Torvalds __u32 timestamp; 601da177e4SLinus Torvalds struct inquiry_data data; 611da177e4SLinus Torvalds }; 621da177e4SLinus Torvalds 6330883512SJohan Hedberg struct discovery_state { 644aab14e5SAndre Guedes int type; 65ff9ef578SJohan Hedberg enum { 66ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 67ff9ef578SJohan Hedberg DISCOVERY_STARTING, 68343f935bSAndre Guedes DISCOVERY_FINDING, 6930dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 70ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 71ff9ef578SJohan Hedberg } state; 72561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 73561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 74561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 751da177e4SLinus Torvalds __u32 timestamp; 76b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 77b9a6328fSJohan Hedberg u8 last_adv_addr_type; 78ff5cd29fSJohan Hedberg s8 last_adv_rssi; 79c70a7e4cSMarcel Holtmann u32 last_adv_flags; 80b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 81b9a6328fSJohan Hedberg u8 last_adv_data_len; 82da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8382f8b651SJakub Pawlowski bool result_filtering; 8478b781caSJohan Hedberg bool limited; 8537eab042SJakub Pawlowski s8 rssi; 8637eab042SJakub Pawlowski u16 uuid_count; 8737eab042SJakub Pawlowski u8 (*uuids)[16]; 882d28cfe7SJakub Pawlowski unsigned long scan_start; 892d28cfe7SJakub Pawlowski unsigned long scan_duration; 901da177e4SLinus Torvalds }; 911da177e4SLinus Torvalds 929952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 939952d90eSAbhishek Pandit-Subedi 949952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 954867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 964867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 974867bd00SAbhishek Pandit-Subedi 984867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 994867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 1004867bd00SAbhishek Pandit-Subedi 1014f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1024f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1034f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1044f40afc6SAbhishek Pandit-Subedi 1059952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1069952d90eSAbhishek Pandit-Subedi 1079952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 108bf6a4e30SHoward Chung 109bf6a4e30SHoward Chung SUSPEND_SET_ADV_FILTER, 1109952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1119952d90eSAbhishek Pandit-Subedi }; 1129952d90eSAbhishek Pandit-Subedi 1139952d90eSAbhishek Pandit-Subedi enum suspended_state { 1149952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1154f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1160d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1179952d90eSAbhishek Pandit-Subedi }; 1189952d90eSAbhishek Pandit-Subedi 1191da177e4SLinus Torvalds struct hci_conn_hash { 1201da177e4SLinus Torvalds struct list_head list; 1211da177e4SLinus Torvalds unsigned int acl_num; 122bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1231da177e4SLinus Torvalds unsigned int sco_num; 124fcd89c09SVille Tervo unsigned int le_num; 12539bc74caSArchie Pusaka unsigned int le_num_peripheral; 1261da177e4SLinus Torvalds }; 1271da177e4SLinus Torvalds 128f0358568SJohan Hedberg struct bdaddr_list { 129f0358568SJohan Hedberg struct list_head list; 130f0358568SJohan Hedberg bdaddr_t bdaddr; 131b9ee0a78SMarcel Holtmann u8 bdaddr_type; 132f0358568SJohan Hedberg }; 1332aeb9a1aSJohan Hedberg 1348961987fSKiran K struct codec_list { 1358961987fSKiran K struct list_head list; 1368961987fSKiran K u8 id; 1378961987fSKiran K __u16 cid; 1388961987fSKiran K __u16 vid; 1398961987fSKiran K u8 transport; 1408961987fSKiran K u8 num_caps; 1418961987fSKiran K u32 len; 1428961987fSKiran K struct hci_codec_caps caps[]; 1438961987fSKiran K }; 1448961987fSKiran K 145b950aa88SAnkit Navik struct bdaddr_list_with_irk { 146b950aa88SAnkit Navik struct list_head list; 147b950aa88SAnkit Navik bdaddr_t bdaddr; 148b950aa88SAnkit Navik u8 bdaddr_type; 149b950aa88SAnkit Navik u8 peer_irk[16]; 150b950aa88SAnkit Navik u8 local_irk[16]; 151b950aa88SAnkit Navik }; 152b950aa88SAnkit Navik 1538baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1548baaa403SAbhishek Pandit-Subedi struct list_head list; 1558baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1568baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 1578baaa403SAbhishek Pandit-Subedi u32 current_flags; 1588baaa403SAbhishek Pandit-Subedi }; 1598baaa403SAbhishek Pandit-Subedi 1607a92906fSAbhishek Pandit-Subedi enum hci_conn_flags { 1617a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_REMOTE_WAKEUP, 1627a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_MAX 1637a92906fSAbhishek Pandit-Subedi }; 1647a92906fSAbhishek Pandit-Subedi 1657a92906fSAbhishek Pandit-Subedi #define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr)) 1667a92906fSAbhishek Pandit-Subedi 1677a92906fSAbhishek Pandit-Subedi /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 1687a92906fSAbhishek Pandit-Subedi static_assert(HCI_CONN_FLAG_MAX < 32); 1697a92906fSAbhishek Pandit-Subedi 1702aeb9a1aSJohan Hedberg struct bt_uuid { 1712aeb9a1aSJohan Hedberg struct list_head list; 1722aeb9a1aSJohan Hedberg u8 uuid[16]; 17383be8ecaSJohan Hedberg u8 size; 1741aff6f09SJohan Hedberg u8 svc_hint; 1752aeb9a1aSJohan Hedberg }; 1762aeb9a1aSJohan Hedberg 177600a8749SAlain Michaud struct blocked_key { 178600a8749SAlain Michaud struct list_head list; 179600a8749SAlain Michaud struct rcu_head rcu; 180600a8749SAlain Michaud u8 type; 181600a8749SAlain Michaud u8 val[16]; 182600a8749SAlain Michaud }; 183600a8749SAlain Michaud 1847ee4ea36SMarcel Holtmann struct smp_csrk { 1857ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1867ee4ea36SMarcel Holtmann u8 bdaddr_type; 1874cd3928aSJohan Hedberg u8 type; 1887ee4ea36SMarcel Holtmann u8 val[16]; 1897ee4ea36SMarcel Holtmann }; 1907ee4ea36SMarcel Holtmann 191b899efafSVinicius Costa Gomes struct smp_ltk { 192b899efafSVinicius Costa Gomes struct list_head list; 193970d0f1bSJohan Hedberg struct rcu_head rcu; 194b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 195b899efafSVinicius Costa Gomes u8 bdaddr_type; 196b899efafSVinicius Costa Gomes u8 authenticated; 197b899efafSVinicius Costa Gomes u8 type; 198b899efafSVinicius Costa Gomes u8 enc_size; 199b899efafSVinicius Costa Gomes __le16 ediv; 200fe39c7b2SMarcel Holtmann __le64 rand; 201b899efafSVinicius Costa Gomes u8 val[16]; 20203c515d7SMarcel Holtmann }; 203b899efafSVinicius Costa Gomes 204970c4e46SJohan Hedberg struct smp_irk { 205970c4e46SJohan Hedberg struct list_head list; 206adae20cbSJohan Hedberg struct rcu_head rcu; 207970c4e46SJohan Hedberg bdaddr_t rpa; 208970c4e46SJohan Hedberg bdaddr_t bdaddr; 209970c4e46SJohan Hedberg u8 addr_type; 210970c4e46SJohan Hedberg u8 val[16]; 211970c4e46SJohan Hedberg }; 212970c4e46SJohan Hedberg 21355ed8ca1SJohan Hedberg struct link_key { 21455ed8ca1SJohan Hedberg struct list_head list; 2150378b597SJohan Hedberg struct rcu_head rcu; 21655ed8ca1SJohan Hedberg bdaddr_t bdaddr; 21755ed8ca1SJohan Hedberg u8 type; 2189b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 21955ed8ca1SJohan Hedberg u8 pin_len; 22055ed8ca1SJohan Hedberg }; 22155ed8ca1SJohan Hedberg 2222763eda6SSzymon Janc struct oob_data { 2232763eda6SSzymon Janc struct list_head list; 2242763eda6SSzymon Janc bdaddr_t bdaddr; 2256928a924SJohan Hedberg u8 bdaddr_type; 226f7697b16SMarcel Holtmann u8 present; 227519ca9d0SMarcel Holtmann u8 hash192[16]; 22838da1703SJohan Hedberg u8 rand192[16]; 229519ca9d0SMarcel Holtmann u8 hash256[16]; 23038da1703SJohan Hedberg u8 rand256[16]; 2312763eda6SSzymon Janc }; 2322763eda6SSzymon Janc 233203fea01SArman Uguray struct adv_info { 234d2609b34SFlorian Grandel struct list_head list; 23510279313SLuiz Augusto von Dentz bool enabled; 236fffd38bcSFlorian Grandel bool pending; 237203fea01SArman Uguray __u8 instance; 238203fea01SArman Uguray __u32 flags; 239912098a6SArman Uguray __u16 timeout; 2405d900e46SFlorian Grandel __u16 remaining_time; 241d2609b34SFlorian Grandel __u16 duration; 242203fea01SArman Uguray __u16 adv_data_len; 243c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 244203fea01SArman Uguray __u16 scan_rsp_len; 245c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 246de181e88SJaganath Kanakkassery __s8 tx_power; 2479bf9f4b6SDaniel Winkler __u32 min_interval; 2489bf9f4b6SDaniel Winkler __u32 max_interval; 249a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 250a73c046aSJaganath Kanakkassery bool rpa_expired; 251a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 252203fea01SArman Uguray }; 253203fea01SArman Uguray 254db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 255d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 256d2609b34SFlorian Grandel 25712410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 25812410572SDaniel Winkler 259e5e1e7fdSMiao-chen Chou struct adv_pattern { 260e5e1e7fdSMiao-chen Chou struct list_head list; 261e5e1e7fdSMiao-chen Chou __u8 ad_type; 262e5e1e7fdSMiao-chen Chou __u8 offset; 263e5e1e7fdSMiao-chen Chou __u8 length; 264e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 265e5e1e7fdSMiao-chen Chou }; 266e5e1e7fdSMiao-chen Chou 267b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 268b4a221eaSArchie Pusaka __s8 low_threshold; 269b4a221eaSArchie Pusaka __s8 high_threshold; 270b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 271b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 272b4a221eaSArchie Pusaka __u8 sampling_period; 273b4a221eaSArchie Pusaka }; 274b4a221eaSArchie Pusaka 275e5e1e7fdSMiao-chen Chou struct adv_monitor { 276e5e1e7fdSMiao-chen Chou struct list_head patterns; 277b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 278e5e1e7fdSMiao-chen Chou __u16 handle; 279a2a4dedfSArchie Pusaka 280a2a4dedfSArchie Pusaka enum { 281a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 282a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 283a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 284a2a4dedfSArchie Pusaka } state; 285e5e1e7fdSMiao-chen Chou }; 286e5e1e7fdSMiao-chen Chou 287e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 288e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 289e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 290a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 291a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 292e5e1e7fdSMiao-chen Chou 293490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 294490c5babSJohan Hedberg 295d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 296d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 297d5bb334aSMarcel Holtmann 298d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 299d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 300d6bfd59cSJohan Hedberg 30131ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 30231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 30331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 304302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 305302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 30631ad1691SAndrzej Kaczmarek 307903e4541SAndrei Emeltchenko struct amp_assoc { 308903e4541SAndrei Emeltchenko __u16 len; 309903e4541SAndrei Emeltchenko __u16 offset; 31093c284eeSAndrei Emeltchenko __u16 rem_len; 31193c284eeSAndrei Emeltchenko __u16 len_so_far; 312903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 313903e4541SAndrei Emeltchenko }; 314903e4541SAndrei Emeltchenko 315d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 316cad718edSJohan Hedberg 3171da177e4SLinus Torvalds struct hci_dev { 3181da177e4SLinus Torvalds struct list_head list; 31909fd0de5SGustavo F. Padovan struct mutex lock; 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds char name[8]; 3221da177e4SLinus Torvalds unsigned long flags; 3231da177e4SLinus Torvalds __u16 id; 324c13854ceSMarcel Holtmann __u8 bus; 325943da25dSMarcel Holtmann __u8 dev_type; 3261da177e4SLinus Torvalds bdaddr_t bdaddr; 327e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 32824c457e2SMarcel Holtmann bdaddr_t public_addr; 3297a4cd51dSMarcel Holtmann bdaddr_t random_addr; 330d13eafceSMarcel Holtmann bdaddr_t static_addr; 33156ed2cb8SJohan Hedberg __u8 adv_addr_type; 3321f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 333490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 33480a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 335c4960ecfSMichał Narajowski __u16 appearance; 336a9de9248SMarcel Holtmann __u8 dev_class[3]; 3371aff6f09SJohan Hedberg __u8 major_class; 3381aff6f09SJohan Hedberg __u8 minor_class; 339d2c5d77fSJohan Hedberg __u8 max_page; 340cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 34160e77321SJohan Hedberg __u8 le_features[8]; 3423d4f9c00SArchie Pusaka __u8 le_accept_list_size; 343cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3446b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3459b008c04SJohan Hedberg __u8 le_states[8]; 346a9de9248SMarcel Holtmann __u8 commands[64]; 3471143e5a6SMarcel Holtmann __u8 hci_ver; 3481143e5a6SMarcel Holtmann __u16 hci_rev; 349d5859e22SJohan Hedberg __u8 lmp_ver; 3501143e5a6SMarcel Holtmann __u16 manufacturer; 3517d69230cSAndrei Emeltchenko __u16 lmp_subver; 3521da177e4SLinus Torvalds __u16 voice_setting; 353b4cb9fb2SMarcel Holtmann __u8 num_iac; 354c2f0f979SMarcel Holtmann __u8 stored_max_keys; 355c2f0f979SMarcel Holtmann __u8 stored_num_keys; 35617fa4b9dSJohan Hedberg __u8 io_capability; 35791c4e9b1SMarcel Holtmann __s8 inq_tx_power; 35800bce3fbSAlain Michaud __u8 err_data_reporting; 359f332ec66SJohan Hedberg __u16 page_scan_interval; 360f332ec66SJohan Hedberg __u16 page_scan_window; 361f332ec66SJohan Hedberg __u8 page_scan_type; 3623f959d46SMarcel Holtmann __u8 le_adv_channel_map; 363628531c9SGeorg Lukas __u16 le_adv_min_interval; 364628531c9SGeorg Lukas __u16 le_adv_max_interval; 365533553f8SMarcel Holtmann __u8 le_scan_type; 366bef64738SMarcel Holtmann __u16 le_scan_interval; 367bef64738SMarcel Holtmann __u16 le_scan_window; 36810873f99SAlain Michaud __u16 le_scan_int_suspend; 36910873f99SAlain Michaud __u16 le_scan_window_suspend; 37010873f99SAlain Michaud __u16 le_scan_int_discovery; 37110873f99SAlain Michaud __u16 le_scan_window_discovery; 37210873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 37310873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 37410873f99SAlain Michaud __u16 le_scan_int_connect; 37510873f99SAlain Michaud __u16 le_scan_window_connect; 3764e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3774e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 37804fb7d90SMarcel Holtmann __u16 le_conn_latency; 37904fb7d90SMarcel Holtmann __u16 le_supv_timeout; 380a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 381a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 382a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 383a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 384a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 385a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 38630d65e08SMatias Karhumaa __u8 le_max_key_size; 38730d65e08SMatias Karhumaa __u8 le_min_key_size; 388b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 38931ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 39031ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 391302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 39258a96fc3SMarcel Holtmann __u8 min_enc_key_size; 393a4790360SMarcel Holtmann __u8 max_enc_key_size; 394a4790360SMarcel Holtmann __u8 pairing_opts; 39506f5b778SMarcel Holtmann __u8 ssp_debug_mode; 396c7741d16SMarcel Holtmann __u8 hw_error_code; 39733f35721SJohan Hedberg __u32 clock; 398c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 399c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 40080af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 401f332ec66SJohan Hedberg 4022b9be137SMarcel Holtmann __u16 devid_source; 4032b9be137SMarcel Holtmann __u16 devid_vendor; 4042b9be137SMarcel Holtmann __u16 devid_product; 4052b9be137SMarcel Holtmann __u16 devid_version; 4061da177e4SLinus Torvalds 40710873f99SAlain Michaud __u8 def_page_scan_type; 40810873f99SAlain Michaud __u16 def_page_scan_int; 40910873f99SAlain Michaud __u16 def_page_scan_window; 41010873f99SAlain Michaud __u8 def_inq_scan_type; 41110873f99SAlain Michaud __u16 def_inq_scan_int; 41210873f99SAlain Michaud __u16 def_inq_scan_window; 41310873f99SAlain Michaud __u16 def_br_lsto; 41410873f99SAlain Michaud __u16 def_page_timeout; 41510873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 41649b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4177c395ea5SDaniel Winkler __s8 min_le_tx_power; 4187c395ea5SDaniel Winkler __s8 max_le_tx_power; 41910873f99SAlain Michaud 4201da177e4SLinus Torvalds __u16 pkt_type; 4215b7f9909SMarcel Holtmann __u16 esco_type; 4221da177e4SLinus Torvalds __u16 link_policy; 4231da177e4SLinus Torvalds __u16 link_mode; 4241da177e4SLinus Torvalds 42504837f64SMarcel Holtmann __u32 idle_timeout; 42604837f64SMarcel Holtmann __u16 sniff_min_interval; 42704837f64SMarcel Holtmann __u16 sniff_max_interval; 42804837f64SMarcel Holtmann 429928abaa7SAndrei Emeltchenko __u8 amp_status; 430928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 431928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 432928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 433928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 434928abaa7SAndrei Emeltchenko __u8 amp_type; 435928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 436928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 437928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 438928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 439928abaa7SAndrei Emeltchenko 440903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 441903e4541SAndrei Emeltchenko 4421e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4431e89cffbSAndrei Emeltchenko 4449f61656aSJohan Hedberg unsigned int auto_accept_delay; 4459f61656aSJohan Hedberg 4461da177e4SLinus Torvalds unsigned long quirks; 4471da177e4SLinus Torvalds 4481da177e4SLinus Torvalds atomic_t cmd_cnt; 4491da177e4SLinus Torvalds unsigned int acl_cnt; 4501da177e4SLinus Torvalds unsigned int sco_cnt; 4516ed58ec5SVille Tervo unsigned int le_cnt; 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds unsigned int acl_mtu; 4541da177e4SLinus Torvalds unsigned int sco_mtu; 4556ed58ec5SVille Tervo unsigned int le_mtu; 4561da177e4SLinus Torvalds unsigned int acl_pkts; 4571da177e4SLinus Torvalds unsigned int sco_pkts; 4586ed58ec5SVille Tervo unsigned int le_pkts; 4591da177e4SLinus Torvalds 460350ee4cfSAndrei Emeltchenko __u16 block_len; 461350ee4cfSAndrei Emeltchenko __u16 block_mtu; 462350ee4cfSAndrei Emeltchenko __u16 num_blocks; 463350ee4cfSAndrei Emeltchenko __u16 block_cnt; 464350ee4cfSAndrei Emeltchenko 4651da177e4SLinus Torvalds unsigned long acl_last_tx; 4661da177e4SLinus Torvalds unsigned long sco_last_tx; 4676ed58ec5SVille Tervo unsigned long le_last_tx; 4681da177e4SLinus Torvalds 4696decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4706decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4716decb5b4SJaganath Kanakkassery 472f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4736ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 474f48fd9c8SMarcel Holtmann 475ab81cbf9SJohan Hedberg struct work_struct power_on; 4763243553fSJohan Hedberg struct delayed_work power_off; 477c7741d16SMarcel Holtmann struct work_struct error_reset; 478ab81cbf9SJohan Hedberg 47916ab91abSJohan Hedberg __u16 discov_timeout; 48016ab91abSJohan Hedberg struct delayed_work discov_off; 48116ab91abSJohan Hedberg 4827d78525dSJohan Hedberg struct delayed_work service_cache; 4837d78525dSJohan Hedberg 48465cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 485de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 486b78752ccSMarcel Holtmann 487b78752ccSMarcel Holtmann struct work_struct rx_work; 488c347b765SGustavo F. Padovan struct work_struct cmd_work; 4893eff45eaSGustavo F. Padovan struct work_struct tx_work; 4901da177e4SLinus Torvalds 491e68f072bSJohan Hedberg struct work_struct discov_update; 4922e93e53bSJohan Hedberg struct work_struct bg_scan_update; 49301b1cb87SJohan Hedberg struct work_struct scan_update; 49453c0ba74SJohan Hedberg struct work_struct connectable_update; 495aed1a885SJohan Hedberg struct work_struct discoverable_update; 4967c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4977c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4982e93e53bSJohan Hedberg 4991da177e4SLinus Torvalds struct sk_buff_head rx_q; 5001da177e4SLinus Torvalds struct sk_buff_head raw_q; 5011da177e4SLinus Torvalds struct sk_buff_head cmd_q; 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds struct sk_buff *sent_cmd; 5041da177e4SLinus Torvalds 505a6a67efdSThomas Gleixner struct mutex req_lock; 5061da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 5071da177e4SLinus Torvalds __u32 req_status; 5081da177e4SLinus Torvalds __u32 req_result; 509f60cb305SJohan Hedberg struct sk_buff *req_skb; 510a5040efaSJohan Hedberg 51170db83c4SJohan Hedberg void *smp_data; 512ef8efe4bSJohan Hedberg void *smp_bredr_data; 5132e58ef3eSJohan Hedberg 51430883512SJohan Hedberg struct discovery_state discovery; 5159952d90eSAbhishek Pandit-Subedi 5164867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5174867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5184867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5194867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5204867bd00SAbhishek Pandit-Subedi 5219952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5229952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 5239952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5249952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5254f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5264f40afc6SAbhishek Pandit-Subedi bool suspended; 5272f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5282f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5292f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5309952d90eSAbhishek Pandit-Subedi 5319952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 5329952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 5339952d90eSAbhishek Pandit-Subedi 5341da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5355c136e90SAndre Guedes 5365c136e90SAndre Guedes struct list_head mgmt_pending; 5373d4f9c00SArchie Pusaka struct list_head reject_list; 5383d4f9c00SArchie Pusaka struct list_head accept_list; 5392aeb9a1aSJohan Hedberg struct list_head uuids; 54055ed8ca1SJohan Hedberg struct list_head link_keys; 541b899efafSVinicius Costa Gomes struct list_head long_term_keys; 542970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5432763eda6SSzymon Janc struct list_head remote_oob_data; 5443d4f9c00SArchie Pusaka struct list_head le_accept_list; 545cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 54615819a70SAndre Guedes struct list_head le_conn_params; 54777a77a30SAndre Guedes struct list_head pend_le_conns; 54866f8455aSJohan Hedberg struct list_head pend_le_reports; 549600a8749SAlain Michaud struct list_head blocked_keys; 5508961987fSKiran K struct list_head local_codecs; 5512763eda6SSzymon Janc 5521da177e4SLinus Torvalds struct hci_dev_stats stat; 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds atomic_t promisc; 5551da177e4SLinus Torvalds 5565177a838SMarcel Holtmann const char *hw_info; 5575177a838SMarcel Holtmann const char *fw_info; 558ca325f69SMarcel Holtmann struct dentry *debugfs; 559ca325f69SMarcel Holtmann 560a91f2e39SMarcel Holtmann struct device dev; 5611da177e4SLinus Torvalds 562611b30f7SMarcel Holtmann struct rfkill *rfkill; 563611b30f7SMarcel Holtmann 564eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 565d23264a8SAndre Guedes 5668fa19098SJohan Hedberg __s8 adv_tx_power; 567c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5683f0f524bSJohan Hedberg __u8 adv_data_len; 569c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 570f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5718fa19098SJohan Hedberg 572d2609b34SFlorian Grandel struct list_head adv_instances; 573d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 574d2609b34SFlorian Grandel __u8 cur_adv_instance; 5755d900e46SFlorian Grandel __u16 adv_instance_timeout; 5765d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 577203fea01SArman Uguray 578e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 579e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 580e5e1e7fdSMiao-chen Chou 581863efaf2SJohan Hedberg __u8 irk[16]; 582d6bfd59cSJohan Hedberg __u32 rpa_timeout; 583d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5842b5224dcSMarcel Holtmann bdaddr_t rpa; 585863efaf2SJohan Hedberg 586c4f1f408SHoward Chung enum { 587c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 588c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 589c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 590c4f1f408SHoward Chung } interleave_scan_state; 591c4f1f408SHoward Chung 592c4f1f408SHoward Chung struct delayed_work interleave_scan; 593c4f1f408SHoward Chung 59453f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5956d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 59653f863a6SMarcel Holtmann #endif 5976d5d2ee6SHeiner Kallweit 598145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 599145373cbSMiao-chen Chou __u16 msft_opcode; 600145373cbSMiao-chen Chou void *msft_data; 601a61d6718SMarcel Holtmann bool msft_curve_validity; 602145373cbSMiao-chen Chou #endif 603145373cbSMiao-chen Chou 604f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 605f67743f9SMarcel Holtmann bool aosp_capable; 606f67743f9SMarcel Holtmann #endif 607f67743f9SMarcel Holtmann 6081da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 6091da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 6101da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 611f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 612a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6137bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6141da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 615c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 61698a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6174b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 61824c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 619e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 62081dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 621ae7d925bSJoseph Hwang int (*set_quality_report)(struct hci_dev *hdev, bool enable); 622248733e8SKiran K int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path); 6239798fbdeSKiran K int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type, 6249798fbdeSKiran K struct bt_codec *codec, __u8 *vnd_len, 6259798fbdeSKiran K __u8 **vnd_data); 6261da177e4SLinus Torvalds }; 6271da177e4SLinus Torvalds 62853502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 62953502d69SAndrei Emeltchenko 63076b13996SManish Mandlik enum conn_reasons { 63176b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 63276b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 63376b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 63476b13996SManish Mandlik }; 63576b13996SManish Mandlik 6361da177e4SLinus Torvalds struct hci_conn { 6371da177e4SLinus Torvalds struct list_head list; 6381da177e4SLinus Torvalds 6391da177e4SLinus Torvalds atomic_t refcnt; 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvalds bdaddr_t dst; 64229b7988aSAndre Guedes __u8 dst_type; 643662e8820SMarcel Holtmann bdaddr_t src; 644e7c4096eSMarcel Holtmann __u8 src_type; 645cb1d68f7SJohan Hedberg bdaddr_t init_addr; 646cb1d68f7SJohan Hedberg __u8 init_addr_type; 647cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 648cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6497087c4f6SLuiz Augusto von Dentz __u8 adv_instance; 6501da177e4SLinus Torvalds __u16 handle; 6511da177e4SLinus Torvalds __u16 state; 65204837f64SMarcel Holtmann __u8 mode; 6531da177e4SLinus Torvalds __u8 type; 65440bef302SJohan Hedberg __u8 role; 655a0c808b3SJohan Hedberg bool out; 6564c67bc74SMarcel Holtmann __u8 attempt; 6571da177e4SLinus Torvalds __u8 dev_class[3]; 658cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 659a8746417SMarcel Holtmann __u16 pkt_type; 66004837f64SMarcel Holtmann __u16 link_policy; 66113d39315SWaldemar Rymarkiewicz __u8 key_type; 66240be492fSMarcel Holtmann __u8 auth_type; 6638c1b2355SMarcel Holtmann __u8 sec_level; 664765c2a96SJohan Hedberg __u8 pending_sec_level; 665980e1a53SJohan Hedberg __u8 pin_length; 666726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 66717fa4b9dSJohan Hedberg __u8 io_capability; 66892a25256SJohan Hedberg __u32 passkey_notify; 66992a25256SJohan Hedberg __u8 passkey_entered; 670052b30b0SMarcel Holtmann __u16 disc_timeout; 67109ae260bSJohan Hedberg __u16 conn_timeout; 67210c62ddcSFrédéric Dalleau __u16 setting; 673302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6741e406eefSAndre Guedes __u16 le_conn_min_interval; 6751e406eefSAndre Guedes __u16 le_conn_max_interval; 676e04fde60SMarcel Holtmann __u16 le_conn_interval; 677e04fde60SMarcel Holtmann __u16 le_conn_latency; 678e04fde60SMarcel Holtmann __u16 le_supv_timeout; 679fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 680fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6811efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6821efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6835ae76a94SAndrzej Kaczmarek __s8 rssi; 6845a134faeSAndrzej Kaczmarek __s8 tx_power; 685d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 68651a8efd7SJohan Hedberg unsigned long flags; 6871da177e4SLinus Torvalds 68876b13996SManish Mandlik enum conn_reasons conn_reason; 68976b13996SManish Mandlik 69033f35721SJohan Hedberg __u32 clock; 69133f35721SJohan Hedberg __u16 clock_accuracy; 69233f35721SJohan Hedberg 693dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 694dd983808SAndrzej Kaczmarek 69503b555e1SJohan Hedberg __u8 remote_cap; 69603b555e1SJohan Hedberg __u8 remote_auth; 6973161ae1cSAndrei Emeltchenko __u8 remote_id; 69803b555e1SJohan Hedberg 6991da177e4SLinus Torvalds unsigned int sent; 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvalds struct sk_buff_head data_q; 7022c33c06aSGustavo F. Padovan struct list_head chan_list; 7031da177e4SLinus Torvalds 70419c40e3bSGustavo F. Padovan struct delayed_work disc_work; 7057bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 706a74a84f6SJohan Hedberg struct delayed_work idle_work; 7079489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 7088ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 7091da177e4SLinus Torvalds 710b219e3acSMarcel Holtmann struct device dev; 71123b9ceb7SMarcel Holtmann struct dentry *debugfs; 712b219e3acSMarcel Holtmann 7131da177e4SLinus Torvalds struct hci_dev *hdev; 7141da177e4SLinus Torvalds void *l2cap_data; 7151da177e4SLinus Torvalds void *sco_data; 7169740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds struct hci_conn *link; 719b2af264aSKiran K struct bt_codec codec; 720e9a416b5SJohan Hedberg 721e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 722e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 723e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7241da177e4SLinus Torvalds }; 7251da177e4SLinus Torvalds 72673d80debSLuiz Augusto von Dentz struct hci_chan { 72773d80debSLuiz Augusto von Dentz struct list_head list; 72842c4e53eSAndrei Emeltchenko __u16 handle; 72973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 73073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 73173d80debSLuiz Augusto von Dentz unsigned int sent; 732168df8e5SMat Martineau __u8 state; 7335c4c8c95SArchie Pusaka bool amp; 73473d80debSLuiz Augusto von Dentz }; 73573d80debSLuiz Augusto von Dentz 73615819a70SAndre Guedes struct hci_conn_params { 73715819a70SAndre Guedes struct list_head list; 73893450c75SJohan Hedberg struct list_head action; 73915819a70SAndre Guedes 74015819a70SAndre Guedes bdaddr_t addr; 74115819a70SAndre Guedes u8 addr_type; 74215819a70SAndre Guedes 74315819a70SAndre Guedes u16 conn_min_interval; 74415819a70SAndre Guedes u16 conn_max_interval; 745f044eb05SMarcel Holtmann u16 conn_latency; 746f044eb05SMarcel Holtmann u16 supervision_timeout; 7479fcb18efSAndre Guedes 7489fcb18efSAndre Guedes enum { 7499fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 750a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7514b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7529fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7539fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 754158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7559fcb18efSAndre Guedes } auto_connect; 756f161dd41SJohan Hedberg 757f161dd41SJohan Hedberg struct hci_conn *conn; 758158e9218SJakub Pawlowski bool explicit_connect; 759a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 76015819a70SAndre Guedes }; 76115819a70SAndre Guedes 7621da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7631da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7641da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 765fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7661da177e4SLinus Torvalds 767eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 768eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 769eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 770eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 771eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 772eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 773eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 774d7a5a11dSMarcel Holtmann 775eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 776eacb44dfSMarcel Holtmann do { \ 777eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 778eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7792eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 780eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 781ae7d925bSJoseph Hwang hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \ 782eacb44dfSMarcel Holtmann } while (0) 783516018a9SMarcel Holtmann 784686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 785e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 786e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7879b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 788686ebf28SUlisses Furquim 789ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 790e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7919b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 792ff50e8afSArron Wang #else 793ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 794ff50e8afSArron Wang __u8 *flags) 795ff50e8afSArron Wang { 796ff50e8afSArron Wang return 0; 797ff50e8afSArron Wang } 798ff50e8afSArron Wang 799ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 800ff50e8afSArron Wang { 801ff50e8afSArron Wang } 802ff50e8afSArron Wang #endif 803686ebf28SUlisses Furquim 8041da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 80570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 80670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 8071da177e4SLinus Torvalds 80830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 8091da177e4SLinus Torvalds { 810ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 81130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 81230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 81330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 814da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 81537eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 8161da177e4SLinus Torvalds } 8171da177e4SLinus Torvalds 8180256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 8190256325eSMarcel Holtmann { 82082f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 821da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8220256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8230256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8240256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8250256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8262d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8272d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8280256325eSMarcel Holtmann } 8290256325eSMarcel Holtmann 83030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 83130dc78e1SJohan Hedberg 832ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 833ff9ef578SJohan Hedberg 8341da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8351da177e4SLinus Torvalds { 83630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8371da177e4SLinus Torvalds } 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8401da177e4SLinus Torvalds { 84130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8421da177e4SLinus Torvalds return jiffies - c->timestamp; 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8461da177e4SLinus Torvalds { 8471da177e4SLinus Torvalds return jiffies - e->timestamp; 8481da177e4SLinus Torvalds } 8491da177e4SLinus Torvalds 8505a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8515a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 852561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 853561aafbcSJohan Hedberg bdaddr_t *bdaddr); 85430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 85530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 85630dc78e1SJohan Hedberg int state); 857a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 858a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 859af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 860af58925cSMarcel Holtmann bool name_known); 8611f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8621da177e4SLinus Torvalds 8631da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8641da177e4SLinus Torvalds enum { 8651da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 86619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8671da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 86804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 86904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 870e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 871b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 87258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 873eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 874abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 87558a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 876af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8774dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8784dae2798SJohan Hedberg HCI_CONN_AUTH, 8794dae2798SJohan Hedberg HCI_CONN_SECURE, 8804dae2798SJohan Hedberg HCI_CONN_FIPS, 881fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 882977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 883f94b665dSJohan Hedberg HCI_CONN_DROP, 88489cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 885fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 886158e9218SJakub Pawlowski HCI_CONN_SCANNING, 887160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8881da177e4SLinus Torvalds }; 8891da177e4SLinus Torvalds 890aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 891aa64a8b5SJohan Hedberg { 892aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 893d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 894c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 895aa64a8b5SJohan Hedberg } 896aa64a8b5SJohan Hedberg 897eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 898eb9a8f3fSMarcel Holtmann { 899eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 900d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 901eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 902eb9a8f3fSMarcel Holtmann } 903eb9a8f3fSMarcel Holtmann 9041da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 9051da177e4SLinus Torvalds { 9061da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 907bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 908fcd89c09SVille Tervo switch (c->type) { 909fcd89c09SVille Tervo case ACL_LINK: 9101da177e4SLinus Torvalds h->acl_num++; 911fcd89c09SVille Tervo break; 912bd1eb66bSAndrei Emeltchenko case AMP_LINK: 913bd1eb66bSAndrei Emeltchenko h->amp_num++; 914bd1eb66bSAndrei Emeltchenko break; 915fcd89c09SVille Tervo case LE_LINK: 916fcd89c09SVille Tervo h->le_num++; 917f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 91839bc74caSArchie Pusaka h->le_num_peripheral++; 919fcd89c09SVille Tervo break; 920fcd89c09SVille Tervo case SCO_LINK: 921fcd89c09SVille Tervo case ESCO_LINK: 9221da177e4SLinus Torvalds h->sco_num++; 923fcd89c09SVille Tervo break; 924fcd89c09SVille Tervo } 9251da177e4SLinus Torvalds } 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9281da177e4SLinus Torvalds { 9291da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 930bf4c6325SGustavo F. Padovan 931bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 932bf4c6325SGustavo F. Padovan synchronize_rcu(); 933bf4c6325SGustavo F. Padovan 934fcd89c09SVille Tervo switch (c->type) { 935fcd89c09SVille Tervo case ACL_LINK: 9361da177e4SLinus Torvalds h->acl_num--; 937fcd89c09SVille Tervo break; 938bd1eb66bSAndrei Emeltchenko case AMP_LINK: 939bd1eb66bSAndrei Emeltchenko h->amp_num--; 940bd1eb66bSAndrei Emeltchenko break; 941fcd89c09SVille Tervo case LE_LINK: 942fcd89c09SVille Tervo h->le_num--; 943f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 94439bc74caSArchie Pusaka h->le_num_peripheral--; 945fcd89c09SVille Tervo break; 946fcd89c09SVille Tervo case SCO_LINK: 947fcd89c09SVille Tervo case ESCO_LINK: 9481da177e4SLinus Torvalds h->sco_num--; 949fcd89c09SVille Tervo break; 950fcd89c09SVille Tervo } 9511da177e4SLinus Torvalds } 9521da177e4SLinus Torvalds 95352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 95452087a79SLuiz Augusto von Dentz { 95552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 95652087a79SLuiz Augusto von Dentz switch (type) { 95752087a79SLuiz Augusto von Dentz case ACL_LINK: 95852087a79SLuiz Augusto von Dentz return h->acl_num; 959bd1eb66bSAndrei Emeltchenko case AMP_LINK: 960bd1eb66bSAndrei Emeltchenko return h->amp_num; 96152087a79SLuiz Augusto von Dentz case LE_LINK: 96252087a79SLuiz Augusto von Dentz return h->le_num; 96352087a79SLuiz Augusto von Dentz case SCO_LINK: 96452087a79SLuiz Augusto von Dentz case ESCO_LINK: 96552087a79SLuiz Augusto von Dentz return h->sco_num; 96652087a79SLuiz Augusto von Dentz default: 96752087a79SLuiz Augusto von Dentz return 0; 96852087a79SLuiz Augusto von Dentz } 96952087a79SLuiz Augusto von Dentz } 97052087a79SLuiz Augusto von Dentz 971f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 972f4f07505SJohan Hedberg { 973f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 974f4f07505SJohan Hedberg 975f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 976f4f07505SJohan Hedberg } 977f4f07505SJohan Hedberg 978845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 979845472e8SMarcel Holtmann { 980845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 981845472e8SMarcel Holtmann struct hci_conn *c; 982845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 983845472e8SMarcel Holtmann 984845472e8SMarcel Holtmann rcu_read_lock(); 985845472e8SMarcel Holtmann 986845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 987845472e8SMarcel Holtmann if (c->handle == handle) { 988845472e8SMarcel Holtmann type = c->type; 989845472e8SMarcel Holtmann break; 990845472e8SMarcel Holtmann } 991845472e8SMarcel Holtmann } 992845472e8SMarcel Holtmann 993845472e8SMarcel Holtmann rcu_read_unlock(); 994845472e8SMarcel Holtmann 995845472e8SMarcel Holtmann return type; 996845472e8SMarcel Holtmann } 997845472e8SMarcel Holtmann 9981da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9991da177e4SLinus Torvalds __u16 handle) 10001da177e4SLinus Torvalds { 10011da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10021da177e4SLinus Torvalds struct hci_conn *c; 10031da177e4SLinus Torvalds 1004bf4c6325SGustavo F. Padovan rcu_read_lock(); 1005bf4c6325SGustavo F. Padovan 1006bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1007bf4c6325SGustavo F. Padovan if (c->handle == handle) { 1008bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10091da177e4SLinus Torvalds return c; 10101da177e4SLinus Torvalds } 1011bf4c6325SGustavo F. Padovan } 1012bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1013bf4c6325SGustavo F. Padovan 10141da177e4SLinus Torvalds return NULL; 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 10181da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 10191da177e4SLinus Torvalds { 10201da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10211da177e4SLinus Torvalds struct hci_conn *c; 10221da177e4SLinus Torvalds 1023bf4c6325SGustavo F. Padovan rcu_read_lock(); 1024bf4c6325SGustavo F. Padovan 1025bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1026bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1027bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10281da177e4SLinus Torvalds return c; 10291da177e4SLinus Torvalds } 1030bf4c6325SGustavo F. Padovan } 1031bf4c6325SGustavo F. Padovan 1032bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1033bf4c6325SGustavo F. Padovan 10341da177e4SLinus Torvalds return NULL; 10351da177e4SLinus Torvalds } 10361da177e4SLinus Torvalds 10371b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10381b51c7b6SJohan Hedberg bdaddr_t *ba, 10391b51c7b6SJohan Hedberg __u8 ba_type) 10401b51c7b6SJohan Hedberg { 10411b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10421b51c7b6SJohan Hedberg struct hci_conn *c; 10431b51c7b6SJohan Hedberg 10441b51c7b6SJohan Hedberg rcu_read_lock(); 10451b51c7b6SJohan Hedberg 10461b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10471b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10481b51c7b6SJohan Hedberg continue; 10491b51c7b6SJohan Hedberg 10501b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10511b51c7b6SJohan Hedberg rcu_read_unlock(); 10521b51c7b6SJohan Hedberg return c; 10531b51c7b6SJohan Hedberg } 10541b51c7b6SJohan Hedberg } 10551b51c7b6SJohan Hedberg 10561b51c7b6SJohan Hedberg rcu_read_unlock(); 10571b51c7b6SJohan Hedberg 10581b51c7b6SJohan Hedberg return NULL; 10591b51c7b6SJohan Hedberg } 10601b51c7b6SJohan Hedberg 10614c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10624c67bc74SMarcel Holtmann __u8 type, __u16 state) 10634c67bc74SMarcel Holtmann { 10644c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10654c67bc74SMarcel Holtmann struct hci_conn *c; 10664c67bc74SMarcel Holtmann 1067bf4c6325SGustavo F. Padovan rcu_read_lock(); 1068bf4c6325SGustavo F. Padovan 1069bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1070bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1071bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10724c67bc74SMarcel Holtmann return c; 10734c67bc74SMarcel Holtmann } 1074bf4c6325SGustavo F. Padovan } 1075bf4c6325SGustavo F. Padovan 1076bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1077bf4c6325SGustavo F. Padovan 10784c67bc74SMarcel Holtmann return NULL; 10794c67bc74SMarcel Holtmann } 10804c67bc74SMarcel Holtmann 1081e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1082e7d9ab73SJakub Pawlowski { 1083e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1084e7d9ab73SJakub Pawlowski struct hci_conn *c; 1085e7d9ab73SJakub Pawlowski 1086e7d9ab73SJakub Pawlowski rcu_read_lock(); 1087e7d9ab73SJakub Pawlowski 1088e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1089e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1090e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1091e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1092e7d9ab73SJakub Pawlowski return c; 1093e7d9ab73SJakub Pawlowski } 1094e7d9ab73SJakub Pawlowski } 1095e7d9ab73SJakub Pawlowski 1096e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1097e7d9ab73SJakub Pawlowski 1098e7d9ab73SJakub Pawlowski return NULL; 1099e7d9ab73SJakub Pawlowski } 1100e7d9ab73SJakub Pawlowski 1101e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 11022dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1103e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 11041da177e4SLinus Torvalds 1105a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1106a5c4e309SJohan Hedberg u8 role); 11071da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 11081da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1109a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 11101da177e4SLinus Torvalds 111173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 11129472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 11132c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 111442c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 111573d80debSLuiz Augusto von Dentz 1116f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1117f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 111876b13996SManish Mandlik u16 conn_timeout, 111976b13996SManish Mandlik enum conn_reasons conn_reason); 112004a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1121d850bf08SLuiz Augusto von Dentz u8 dst_type, bool dst_resolved, u8 sec_level, 1122d850bf08SLuiz Augusto von Dentz u16 conn_timeout, u8 role, 1123d850bf08SLuiz Augusto von Dentz bdaddr_t *direct_rpa); 112404a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 112576b13996SManish Mandlik u8 sec_level, u8 auth_type, 112676b13996SManish Mandlik enum conn_reasons conn_reason); 112710c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1128b2af264aSKiran K __u16 setting, struct bt_codec *codec); 1129e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1130b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1131e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1132e7cafc45SJohan Hedberg bool initiator); 11338c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11341da177e4SLinus Torvalds 113514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11361da177e4SLinus Torvalds 113706c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 113806c053fbSAndre Guedes 11398d12356fSDavid Herrmann /* 11408d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11418d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11428d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11438d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11448d12356fSDavid Herrmann * other constant data. 11458d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11468d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11478d12356fSDavid Herrmann * get dropped, though. 11488d12356fSDavid Herrmann * 11498d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11508d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11518d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11528d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11538d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11548d12356fSDavid Herrmann * hci_conn_add()). 11558d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11568d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11578d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11588d12356fSDavid Herrmann */ 11598d12356fSDavid Herrmann 116051bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11618d12356fSDavid Herrmann { 11628d12356fSDavid Herrmann get_device(&conn->dev); 116351bb8457SJohan Hedberg return conn; 11648d12356fSDavid Herrmann } 11658d12356fSDavid Herrmann 11668d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11678d12356fSDavid Herrmann { 11688d12356fSDavid Herrmann put_device(&conn->dev); 11698d12356fSDavid Herrmann } 11708d12356fSDavid Herrmann 11711da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11721da177e4SLinus Torvalds { 117371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 117438b3fef1SAndrei Emeltchenko 11751da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11762f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11771da177e4SLinus Torvalds } 11781da177e4SLinus Torvalds 117976a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11801da177e4SLinus Torvalds { 118171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 118238b3fef1SAndrei Emeltchenko 11831da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 118404837f64SMarcel Holtmann unsigned long timeo; 1185716e4ab5SAndrei Emeltchenko 1186716e4ab5SAndrei Emeltchenko switch (conn->type) { 1187716e4ab5SAndrei Emeltchenko case ACL_LINK: 1188716e4ab5SAndrei Emeltchenko case LE_LINK: 1189a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11906ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11915f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 119204837f64SMarcel Holtmann if (!conn->out) 1193052b30b0SMarcel Holtmann timeo *= 2; 11945a9d0a3fSWaldemar Rymarkiewicz } else { 1195eb78d7e5SJohan Hedberg timeo = 0; 11965a9d0a3fSWaldemar Rymarkiewicz } 1197716e4ab5SAndrei Emeltchenko break; 1198716e4ab5SAndrei Emeltchenko 1199716e4ab5SAndrei Emeltchenko case AMP_LINK: 1200716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1201716e4ab5SAndrei Emeltchenko break; 1202716e4ab5SAndrei Emeltchenko 1203716e4ab5SAndrei Emeltchenko default: 1204eb78d7e5SJohan Hedberg timeo = 0; 1205716e4ab5SAndrei Emeltchenko break; 12065a9d0a3fSWaldemar Rymarkiewicz } 1207716e4ab5SAndrei Emeltchenko 12082f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 120919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 12101931782bSVinicius Costa Gomes &conn->disc_work, timeo); 12111da177e4SLinus Torvalds } 12121da177e4SLinus Torvalds } 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1215dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 12161da177e4SLinus Torvalds { 1217376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12182c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1219376261aeSAndrei Emeltchenko 12204c724c71SDavid Herrmann put_device(&d->dev); 1221010666a1SDavid Herrmann } 12221da177e4SLinus Torvalds 1223dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12241da177e4SLinus Torvalds { 1225376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12262c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1227376261aeSAndrei Emeltchenko 12284c724c71SDavid Herrmann get_device(&d->dev); 12291da177e4SLinus Torvalds return d; 12301da177e4SLinus Torvalds } 12311da177e4SLinus Torvalds 123209fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 123309fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12341da177e4SLinus Torvalds 1235aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12363dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1237aa2b86d7SDavid Herrmann 1238155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1239155961e8SDavid Herrmann { 1240155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1241155961e8SDavid Herrmann } 1242155961e8SDavid Herrmann 1243155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1244155961e8SDavid Herrmann { 1245155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1246155961e8SDavid Herrmann } 1247155961e8SDavid Herrmann 12486ec56613STedd Ho-Jeong An static inline void *hci_get_priv(struct hci_dev *hdev) 12496ec56613STedd Ho-Jeong An { 12506ec56613STedd Ho-Jeong An return (char *)hdev + sizeof(*hdev); 12516ec56613STedd Ho-Jeong An } 12526ec56613STedd Ho-Jeong An 12531da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 125439385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12551da177e4SLinus Torvalds 12566ec56613STedd Ho-Jeong An struct hci_dev *hci_alloc_dev_priv(int sizeof_priv); 12576ec56613STedd Ho-Jeong An 12586ec56613STedd Ho-Jeong An static inline struct hci_dev *hci_alloc_dev(void) 12596ec56613STedd Ho-Jeong An { 12606ec56613STedd Ho-Jeong An return hci_alloc_dev_priv(0); 12616ec56613STedd Ho-Jeong An } 12626ec56613STedd Ho-Jeong An 12631da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12641da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 126559735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 126658ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 12671da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12681da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 126975e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1270f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1271f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12721aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12731aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1274145373cbSMiao-chen Chou 1275145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1276145373cbSMiao-chen Chou { 1277145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1278145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1279145373cbSMiao-chen Chou #endif 1280145373cbSMiao-chen Chou } 1281145373cbSMiao-chen Chou 1282f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1283f67743f9SMarcel Holtmann { 1284f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1285f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1286f67743f9SMarcel Holtmann #endif 1287f67743f9SMarcel Holtmann } 1288f67743f9SMarcel Holtmann 12891da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12901da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12916b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12921da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12931da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12941da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12951da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12961da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12971da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12981da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 129940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 13001da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 13011da177e4SLinus Torvalds 1302dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1303b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1304b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1305b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1306b950aa88SAnkit Navik u8 type); 13078baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 13088baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13098baaa403SAbhishek Pandit-Subedi u8 type); 1310dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1311b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1312b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 13138baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13148baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1315dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1316b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1317b950aa88SAnkit Navik u8 type); 13188baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 13198baaa403SAbhishek Pandit-Subedi u8 type); 1320dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1321d2ab0ac1SMarcel Holtmann 132215819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 132315819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 132451d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 132551d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 132615819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 132755af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 132815819a70SAndre Guedes 1329501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1330501f8827SJohan Hedberg bdaddr_t *addr, 1331501f8827SJohan Hedberg u8 addr_type); 133277a77a30SAndre Guedes 133335f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13342aeb9a1aSJohan Hedberg 133535f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 133655ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1337567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13387652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13397652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1340ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 134135d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1342fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1343f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1344e804d25dSJohan Hedberg u8 addr_type, u8 role); 1345e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 134635f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 134755ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 134855ed8ca1SJohan Hedberg 1349970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1350970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1351970c4e46SJohan Hedberg u8 addr_type); 1352ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1353ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1354a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1355600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1356600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1357970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1358970c4e46SJohan Hedberg 135955e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 136055e76b38SJohan Hedberg 136135f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13622763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13636928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13640798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13656928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 136638da1703SJohan Hedberg u8 *hash256, u8 *rand256); 13676928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13686928a924SJohan Hedberg u8 bdaddr_type); 13692763eda6SSzymon Janc 1370d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1371d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1372d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1373d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1374d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1375d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 13769bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 13779bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 137831aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 137931aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 138031aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1381d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1382a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1383*01ce70b0SLuiz Augusto von Dentz u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance); 1384*01ce70b0SLuiz Augusto von Dentz bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance); 1385d2609b34SFlorian Grandel 1386e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 138766bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1388a2a4dedfSArchie Pusaka int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 138966bd095aSArchie Pusaka int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1390a2a4dedfSArchie Pusaka bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1391a2a4dedfSArchie Pusaka int *err); 139266bd095aSArchie Pusaka bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 139366bd095aSArchie Pusaka bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 13948208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1395a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1396e5e1e7fdSMiao-chen Chou 13971da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13981da177e4SLinus Torvalds 13990ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1400a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1401b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1402b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 14031da177e4SLinus Torvalds 14046935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1407cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1408cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1409cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1410cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1411cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1412cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1413cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1414cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1415cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1416cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1417cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 14188b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1419cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1420cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1421cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1422cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1423cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1424cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1425cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 142607a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 14275075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 14285075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 14295075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 14305075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 14311da177e4SLinus Torvalds 1432eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 14336397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 14346397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 143553b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 143653b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1437d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1438d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 143953b834d2SMarcel Holtmann 144053b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1441cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1442d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1443cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1444cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1445eead27daSAndre Guedes 1446d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1447d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 144805b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1449d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1450c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1451c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1452c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1453c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1454432df05eSJohan Hedberg 145545bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 145645bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 145745bdd86eSJaganath Kanakkassery 145845bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 145945bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 146045bdd86eSJaganath Kanakkassery 146145bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 146245bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 146345bdd86eSJaganath Kanakkassery 1464e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1465e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1466e1d57235SMarcel Holtmann 1467b2af264aSKiran K /* Use enhanced synchronous connection if command is supported */ 1468b2af264aSKiran K #define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08) 1469b2af264aSKiran K 1470a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1471a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1472a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 14734d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 14744d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1475a2344b9eSJaganath Kanakkassery 14766b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 14776b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 14786b49bcb4SJaganath Kanakkassery 14791da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 148020714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 148120714bfeSFrédéric Dalleau 14825a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 148320714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 14841da177e4SLinus Torvalds { 1485686ebf28SUlisses Furquim switch (type) { 1486686ebf28SUlisses Furquim case ACL_LINK: 1487686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 14881da177e4SLinus Torvalds 1489686ebf28SUlisses Furquim case SCO_LINK: 1490686ebf28SUlisses Furquim case ESCO_LINK: 149120714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14921da177e4SLinus Torvalds 1493686ebf28SUlisses Furquim default: 1494686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1495686ebf28SUlisses Furquim return -EINVAL; 1496686ebf28SUlisses Furquim } 14971da177e4SLinus Torvalds } 14981da177e4SLinus Torvalds 14992950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 15002950f21aSMarcel Holtmann { 1501686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1502686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 15032950f21aSMarcel Holtmann 1504686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 15052950f21aSMarcel Holtmann } 15062950f21aSMarcel Holtmann 15071da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 15081da177e4SLinus Torvalds struct hci_cb { 15091da177e4SLinus Torvalds struct list_head list; 15101da177e4SLinus Torvalds 15111da177e4SLinus Torvalds char *name; 15121da177e4SLinus Torvalds 1513539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 15143a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 15155a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 15165a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 15171da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 15181da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 15191da177e4SLinus Torvalds }; 15201da177e4SLinus Torvalds 1521539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1522539c496dSJohan Hedberg { 1523539c496dSJohan Hedberg struct hci_cb *cb; 1524539c496dSJohan Hedberg 1525539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1526539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1527539c496dSJohan Hedberg if (cb->connect_cfm) 1528539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1529539c496dSJohan Hedberg } 1530539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1531539c496dSJohan Hedberg 1532539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1533539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1534539c496dSJohan Hedberg } 1535539c496dSJohan Hedberg 15363a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 15373a6d576bSJohan Hedberg { 15383a6d576bSJohan Hedberg struct hci_cb *cb; 15393a6d576bSJohan Hedberg 15403a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 15413a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 15423a6d576bSJohan Hedberg if (cb->disconn_cfm) 15433a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15443a6d576bSJohan Hedberg } 15453a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15463a6d576bSJohan Hedberg 15473a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15483a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15493a6d576bSJohan Hedberg } 15503a6d576bSJohan Hedberg 15511da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 15521da177e4SLinus Torvalds { 1553711584eaSDenis Kirjanov struct hci_cb *cb; 15548c1b2355SMarcel Holtmann __u8 encrypt; 15551da177e4SLinus Torvalds 155651a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 15578c1b2355SMarcel Holtmann return; 15588c1b2355SMarcel Holtmann 15594dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 15608c1b2355SMarcel Holtmann 1561fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1562711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15638c1b2355SMarcel Holtmann if (cb->security_cfm) 15648c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15651da177e4SLinus Torvalds } 1566fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1567354fe804SJohan Hedberg 1568354fe804SJohan Hedberg if (conn->security_cfm_cb) 1569354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15701da177e4SLinus Torvalds } 15711da177e4SLinus Torvalds 15723ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 15731da177e4SLinus Torvalds { 1574711584eaSDenis Kirjanov struct hci_cb *cb; 15753ca44c16SLuiz Augusto von Dentz __u8 encrypt; 15763ca44c16SLuiz Augusto von Dentz 15773ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1578339ddaa6SPatrick Steinhardt if (!status) 15793ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 15803ca44c16SLuiz Augusto von Dentz 15813ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 15823ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 15833ca44c16SLuiz Augusto von Dentz return; 15843ca44c16SLuiz Augusto von Dentz } 15853ca44c16SLuiz Augusto von Dentz 15863ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 15873ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 15883ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 15893ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 15903ca44c16SLuiz Augusto von Dentz else 15913ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15921da177e4SLinus Torvalds 15938746f135SLuiz Augusto von Dentz if (!status) { 1594435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1595435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1596435fef20SMarcel Holtmann 159788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 159888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15998746f135SLuiz Augusto von Dentz } 160088167aedSVinicius Costa Gomes 1601fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1602711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16038c1b2355SMarcel Holtmann if (cb->security_cfm) 16048c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 16051da177e4SLinus Torvalds } 1606fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1607354fe804SJohan Hedberg 1608354fe804SJohan Hedberg if (conn->security_cfm_cb) 1609354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 16101da177e4SLinus Torvalds } 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 16131da177e4SLinus Torvalds { 1614711584eaSDenis Kirjanov struct hci_cb *cb; 16151da177e4SLinus Torvalds 1616fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1617711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16181da177e4SLinus Torvalds if (cb->key_change_cfm) 16191da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 16201da177e4SLinus Torvalds } 1621fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16221da177e4SLinus Torvalds } 16231da177e4SLinus Torvalds 16245a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 16255a9d0a3fSWaldemar Rymarkiewicz __u8 role) 16261da177e4SLinus Torvalds { 1627711584eaSDenis Kirjanov struct hci_cb *cb; 16281da177e4SLinus Torvalds 1629fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1630711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 16311da177e4SLinus Torvalds if (cb->role_switch_cfm) 16321da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 16331da177e4SLinus Torvalds } 1634fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 16351da177e4SLinus Torvalds } 16361da177e4SLinus Torvalds 1637301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1638301cb2d8SJohan Hedberg { 1639dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1640301cb2d8SJohan Hedberg return false; 1641301cb2d8SJohan Hedberg 1642301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1643301cb2d8SJohan Hedberg return true; 1644301cb2d8SJohan Hedberg 1645301cb2d8SJohan Hedberg return false; 1646301cb2d8SJohan Hedberg } 1647301cb2d8SJohan Hedberg 1648c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1649c46245b3SJohan Hedberg { 1650c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1651c46245b3SJohan Hedberg return true; 1652c46245b3SJohan Hedberg 1653c46245b3SJohan Hedberg /* Check for Random Static address type */ 1654c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1655c46245b3SJohan Hedberg return true; 1656c46245b3SJohan Hedberg 1657c46245b3SJohan Hedberg return false; 1658c46245b3SJohan Hedberg } 1659c46245b3SJohan Hedberg 16602426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16612426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16622426f3a5SJohan Hedberg { 16632426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16642426f3a5SJohan Hedberg return NULL; 16652426f3a5SJohan Hedberg 16662426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16672426f3a5SJohan Hedberg } 16682426f3a5SJohan Hedberg 1669d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1670d4905f24SAndre Guedes u16 to_multiplier) 1671d4905f24SAndre Guedes { 1672d4905f24SAndre Guedes u16 max_latency; 1673d4905f24SAndre Guedes 1674d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1675d4905f24SAndre Guedes return -EINVAL; 1676d4905f24SAndre Guedes 1677d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1678d4905f24SAndre Guedes return -EINVAL; 1679d4905f24SAndre Guedes 1680d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1681d4905f24SAndre Guedes return -EINVAL; 1682d4905f24SAndre Guedes 16838757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1684d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1685d4905f24SAndre Guedes return -EINVAL; 1686d4905f24SAndre Guedes 1687d4905f24SAndre Guedes return 0; 1688d4905f24SAndre Guedes } 1689d4905f24SAndre Guedes 16901da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 16911da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 16921da177e4SLinus Torvalds 169375e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 169407dc93ddSJohan Hedberg const void *param, u32 timeout); 16957b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 169607dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1697d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1698d6ee6ad7SLoic Poulain const void *param); 169975e84b7cSJohan Hedberg 170007dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 170107dc93ddSJohan Hedberg const void *param); 170273d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 17030d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 17041da177e4SLinus Torvalds 1705a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 17061da177e4SLinus Torvalds 1707fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1708fbef168fSLoic Poulain const void *param, u32 timeout); 1709fbef168fSLoic Poulain 1710eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1711eab2404bSLuiz Augusto von Dentz 17121da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1713470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 17147129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1715c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1716cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 171738ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 171838ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 171938ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 17201da177e4SLinus Torvalds 1721040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1722040030efSMarcel Holtmann 1723a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1724a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1725a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1726a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1727d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1728b9a245fbSJohan Hedberg 1729801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1730801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1731801c1e8dSJohan Hedberg u16 data_len); 1732801c1e8dSJohan Hedberg size_t data_len; 1733b9a245fbSJohan Hedberg unsigned long flags; 1734801c1e8dSJohan Hedberg }; 1735801c1e8dSJohan Hedberg 1736801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1737801c1e8dSJohan Hedberg struct list_head list; 1738801c1e8dSJohan Hedberg unsigned short channel; 1739801c1e8dSJohan Hedberg size_t handler_count; 1740801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 174188b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1742801c1e8dSJohan Hedberg }; 1743801c1e8dSJohan Hedberg 1744801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1745801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1746801c1e8dSJohan Hedberg 17470381101fSJohan Hedberg /* Management interface */ 1748591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1749591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1750591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1751591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1752591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1753591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1754f39799f5SAndre Guedes 17550d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17560d8cc935SAndre Guedes * Discovery Procedure specification. 17570d8cc935SAndre Guedes */ 17580d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17590d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17603d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1761ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17620d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17630d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17644b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1765cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1766cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 17670d8cc935SAndre Guedes 176803c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 176991a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1770bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1771bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17723eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17732ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17742ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1775dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1776745c0ce3SVishal Agarwal bool persistent); 177748ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 17781c6ed31bSYu Liu u8 *name, u8 name_len); 17799b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 178012d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 178112d4a3b2SJohan Hedberg bool mgmt_connected); 17827892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 178388c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1784445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 178548264f06SJohan Hedberg u8 addr_type, u8 status); 1786ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1787e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1788c35938b2SSzymon Janc u8 status); 17893eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1790744cf19eSJohan Hedberg u8 status); 1791744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 179239adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1793272d90dfSJohan Hedberg u8 confirm_hint); 1794744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1795272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1796272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1797272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1798272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1799272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1800604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1801272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1802272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1803272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 180492a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 180592a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 180692a25256SJohan Hedberg u8 entered); 1807e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1808464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 18093e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 18104e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 18117f9a903cSMarcel Holtmann u8 status); 18127667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1813e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 18142154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1815901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1816af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1817af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 18189cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1819b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 18202f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1821346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1822346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1823346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 182484c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 182553ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1826cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 182753ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 182853ac6ab6SMarcel Holtmann bool persistent); 1829ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1830f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1831f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1832f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1833f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 183453c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1835aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1836f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1837f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1838f2252570SJohan Hedberg u8 instance); 1839f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1840f2252570SJohan Hedberg u8 instance); 184166bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1842b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1843a2a4dedfSArchie Pusaka int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 184466bd095aSArchie Pusaka int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1845346af67bSVinicius Costa Gomes 18467d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 18477d6ca693SJohan Hedberg u16 to_multiplier); 1848fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18498b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18502519a1fcSAndre Guedes 1851a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1852a1f4c318SJohan Hedberg u8 *bdaddr_type); 1853ebd3a747SJohan Hedberg 18545d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18555d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18565d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18575d4d62f6SFrédéric Dalleau 18588961987fSKiran K #define LOCAL_CODEC_ACL_MASK BIT(0) 18598961987fSKiran K #define LOCAL_CODEC_SCO_MASK BIT(1) 18608961987fSKiran K 18618961987fSKiran K #define TRANSPORT_TYPE_MAX 0x04 18628961987fSKiran K 18631da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1864