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 134b950aa88SAnkit Navik struct bdaddr_list_with_irk { 135b950aa88SAnkit Navik struct list_head list; 136b950aa88SAnkit Navik bdaddr_t bdaddr; 137b950aa88SAnkit Navik u8 bdaddr_type; 138b950aa88SAnkit Navik u8 peer_irk[16]; 139b950aa88SAnkit Navik u8 local_irk[16]; 140b950aa88SAnkit Navik }; 141b950aa88SAnkit Navik 1428baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1438baaa403SAbhishek Pandit-Subedi struct list_head list; 1448baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1458baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 1468baaa403SAbhishek Pandit-Subedi u32 current_flags; 1478baaa403SAbhishek Pandit-Subedi }; 1488baaa403SAbhishek Pandit-Subedi 1497a92906fSAbhishek Pandit-Subedi enum hci_conn_flags { 1507a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_REMOTE_WAKEUP, 1517a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_MAX 1527a92906fSAbhishek Pandit-Subedi }; 1537a92906fSAbhishek Pandit-Subedi 1547a92906fSAbhishek Pandit-Subedi #define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr)) 1557a92906fSAbhishek Pandit-Subedi 1567a92906fSAbhishek Pandit-Subedi /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 1577a92906fSAbhishek Pandit-Subedi static_assert(HCI_CONN_FLAG_MAX < 32); 1587a92906fSAbhishek Pandit-Subedi 1592aeb9a1aSJohan Hedberg struct bt_uuid { 1602aeb9a1aSJohan Hedberg struct list_head list; 1612aeb9a1aSJohan Hedberg u8 uuid[16]; 16283be8ecaSJohan Hedberg u8 size; 1631aff6f09SJohan Hedberg u8 svc_hint; 1642aeb9a1aSJohan Hedberg }; 1652aeb9a1aSJohan Hedberg 166600a8749SAlain Michaud struct blocked_key { 167600a8749SAlain Michaud struct list_head list; 168600a8749SAlain Michaud struct rcu_head rcu; 169600a8749SAlain Michaud u8 type; 170600a8749SAlain Michaud u8 val[16]; 171600a8749SAlain Michaud }; 172600a8749SAlain Michaud 1737ee4ea36SMarcel Holtmann struct smp_csrk { 1747ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1757ee4ea36SMarcel Holtmann u8 bdaddr_type; 1764cd3928aSJohan Hedberg u8 type; 1777ee4ea36SMarcel Holtmann u8 val[16]; 1787ee4ea36SMarcel Holtmann }; 1797ee4ea36SMarcel Holtmann 180b899efafSVinicius Costa Gomes struct smp_ltk { 181b899efafSVinicius Costa Gomes struct list_head list; 182970d0f1bSJohan Hedberg struct rcu_head rcu; 183b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 184b899efafSVinicius Costa Gomes u8 bdaddr_type; 185b899efafSVinicius Costa Gomes u8 authenticated; 186b899efafSVinicius Costa Gomes u8 type; 187b899efafSVinicius Costa Gomes u8 enc_size; 188b899efafSVinicius Costa Gomes __le16 ediv; 189fe39c7b2SMarcel Holtmann __le64 rand; 190b899efafSVinicius Costa Gomes u8 val[16]; 19103c515d7SMarcel Holtmann }; 192b899efafSVinicius Costa Gomes 193970c4e46SJohan Hedberg struct smp_irk { 194970c4e46SJohan Hedberg struct list_head list; 195adae20cbSJohan Hedberg struct rcu_head rcu; 196970c4e46SJohan Hedberg bdaddr_t rpa; 197970c4e46SJohan Hedberg bdaddr_t bdaddr; 198970c4e46SJohan Hedberg u8 addr_type; 199970c4e46SJohan Hedberg u8 val[16]; 200970c4e46SJohan Hedberg }; 201970c4e46SJohan Hedberg 20255ed8ca1SJohan Hedberg struct link_key { 20355ed8ca1SJohan Hedberg struct list_head list; 2040378b597SJohan Hedberg struct rcu_head rcu; 20555ed8ca1SJohan Hedberg bdaddr_t bdaddr; 20655ed8ca1SJohan Hedberg u8 type; 2079b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 20855ed8ca1SJohan Hedberg u8 pin_len; 20955ed8ca1SJohan Hedberg }; 21055ed8ca1SJohan Hedberg 2112763eda6SSzymon Janc struct oob_data { 2122763eda6SSzymon Janc struct list_head list; 2132763eda6SSzymon Janc bdaddr_t bdaddr; 2146928a924SJohan Hedberg u8 bdaddr_type; 215f7697b16SMarcel Holtmann u8 present; 216519ca9d0SMarcel Holtmann u8 hash192[16]; 21738da1703SJohan Hedberg u8 rand192[16]; 218519ca9d0SMarcel Holtmann u8 hash256[16]; 21938da1703SJohan Hedberg u8 rand256[16]; 2202763eda6SSzymon Janc }; 2212763eda6SSzymon Janc 222203fea01SArman Uguray struct adv_info { 223d2609b34SFlorian Grandel struct list_head list; 22410279313SLuiz Augusto von Dentz bool enabled; 225fffd38bcSFlorian Grandel bool pending; 226203fea01SArman Uguray __u8 instance; 227203fea01SArman Uguray __u32 flags; 228912098a6SArman Uguray __u16 timeout; 2295d900e46SFlorian Grandel __u16 remaining_time; 230d2609b34SFlorian Grandel __u16 duration; 231203fea01SArman Uguray __u16 adv_data_len; 232c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 233203fea01SArman Uguray __u16 scan_rsp_len; 234c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 235de181e88SJaganath Kanakkassery __s8 tx_power; 2369bf9f4b6SDaniel Winkler __u32 min_interval; 2379bf9f4b6SDaniel Winkler __u32 max_interval; 238a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 239a73c046aSJaganath Kanakkassery bool rpa_expired; 240a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 241203fea01SArman Uguray }; 242203fea01SArman Uguray 243db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 244d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 245d2609b34SFlorian Grandel 24612410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 24712410572SDaniel Winkler 248e5e1e7fdSMiao-chen Chou struct adv_pattern { 249e5e1e7fdSMiao-chen Chou struct list_head list; 250e5e1e7fdSMiao-chen Chou __u8 ad_type; 251e5e1e7fdSMiao-chen Chou __u8 offset; 252e5e1e7fdSMiao-chen Chou __u8 length; 253e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 254e5e1e7fdSMiao-chen Chou }; 255e5e1e7fdSMiao-chen Chou 256b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 257b4a221eaSArchie Pusaka __s8 low_threshold; 258b4a221eaSArchie Pusaka __s8 high_threshold; 259b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 260b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 261b4a221eaSArchie Pusaka __u8 sampling_period; 262b4a221eaSArchie Pusaka }; 263b4a221eaSArchie Pusaka 264e5e1e7fdSMiao-chen Chou struct adv_monitor { 265e5e1e7fdSMiao-chen Chou struct list_head patterns; 266b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 267e5e1e7fdSMiao-chen Chou __u16 handle; 268a2a4dedfSArchie Pusaka 269a2a4dedfSArchie Pusaka enum { 270a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 271a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 272a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 273a2a4dedfSArchie Pusaka } state; 274e5e1e7fdSMiao-chen Chou }; 275e5e1e7fdSMiao-chen Chou 276e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 277e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 278e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 279a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 280a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 281e5e1e7fdSMiao-chen Chou 282490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 283490c5babSJohan Hedberg 284d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 285d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 286d5bb334aSMarcel Holtmann 287d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 288d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 289d6bfd59cSJohan Hedberg 29031ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 29131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 29231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 293302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 294302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 29531ad1691SAndrzej Kaczmarek 296903e4541SAndrei Emeltchenko struct amp_assoc { 297903e4541SAndrei Emeltchenko __u16 len; 298903e4541SAndrei Emeltchenko __u16 offset; 29993c284eeSAndrei Emeltchenko __u16 rem_len; 30093c284eeSAndrei Emeltchenko __u16 len_so_far; 301903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 302903e4541SAndrei Emeltchenko }; 303903e4541SAndrei Emeltchenko 304d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 305cad718edSJohan Hedberg 3061da177e4SLinus Torvalds struct hci_dev { 3071da177e4SLinus Torvalds struct list_head list; 30809fd0de5SGustavo F. Padovan struct mutex lock; 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds char name[8]; 3111da177e4SLinus Torvalds unsigned long flags; 3121da177e4SLinus Torvalds __u16 id; 313c13854ceSMarcel Holtmann __u8 bus; 314943da25dSMarcel Holtmann __u8 dev_type; 3151da177e4SLinus Torvalds bdaddr_t bdaddr; 316e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 31724c457e2SMarcel Holtmann bdaddr_t public_addr; 3187a4cd51dSMarcel Holtmann bdaddr_t random_addr; 319d13eafceSMarcel Holtmann bdaddr_t static_addr; 32056ed2cb8SJohan Hedberg __u8 adv_addr_type; 3211f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 322490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 32380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 324c4960ecfSMichał Narajowski __u16 appearance; 325a9de9248SMarcel Holtmann __u8 dev_class[3]; 3261aff6f09SJohan Hedberg __u8 major_class; 3271aff6f09SJohan Hedberg __u8 minor_class; 328d2c5d77fSJohan Hedberg __u8 max_page; 329cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 33060e77321SJohan Hedberg __u8 le_features[8]; 3313d4f9c00SArchie Pusaka __u8 le_accept_list_size; 332cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3336b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3349b008c04SJohan Hedberg __u8 le_states[8]; 335a9de9248SMarcel Holtmann __u8 commands[64]; 3361143e5a6SMarcel Holtmann __u8 hci_ver; 3371143e5a6SMarcel Holtmann __u16 hci_rev; 338d5859e22SJohan Hedberg __u8 lmp_ver; 3391143e5a6SMarcel Holtmann __u16 manufacturer; 3407d69230cSAndrei Emeltchenko __u16 lmp_subver; 3411da177e4SLinus Torvalds __u16 voice_setting; 342b4cb9fb2SMarcel Holtmann __u8 num_iac; 343c2f0f979SMarcel Holtmann __u8 stored_max_keys; 344c2f0f979SMarcel Holtmann __u8 stored_num_keys; 34517fa4b9dSJohan Hedberg __u8 io_capability; 34691c4e9b1SMarcel Holtmann __s8 inq_tx_power; 34700bce3fbSAlain Michaud __u8 err_data_reporting; 348f332ec66SJohan Hedberg __u16 page_scan_interval; 349f332ec66SJohan Hedberg __u16 page_scan_window; 350f332ec66SJohan Hedberg __u8 page_scan_type; 3513f959d46SMarcel Holtmann __u8 le_adv_channel_map; 352628531c9SGeorg Lukas __u16 le_adv_min_interval; 353628531c9SGeorg Lukas __u16 le_adv_max_interval; 354533553f8SMarcel Holtmann __u8 le_scan_type; 355bef64738SMarcel Holtmann __u16 le_scan_interval; 356bef64738SMarcel Holtmann __u16 le_scan_window; 35710873f99SAlain Michaud __u16 le_scan_int_suspend; 35810873f99SAlain Michaud __u16 le_scan_window_suspend; 35910873f99SAlain Michaud __u16 le_scan_int_discovery; 36010873f99SAlain Michaud __u16 le_scan_window_discovery; 36110873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 36210873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 36310873f99SAlain Michaud __u16 le_scan_int_connect; 36410873f99SAlain Michaud __u16 le_scan_window_connect; 3654e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3664e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 36704fb7d90SMarcel Holtmann __u16 le_conn_latency; 36804fb7d90SMarcel Holtmann __u16 le_supv_timeout; 369a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 370a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 371a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 372a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 373a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 374a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 37530d65e08SMatias Karhumaa __u8 le_max_key_size; 37630d65e08SMatias Karhumaa __u8 le_min_key_size; 377b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 37831ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 37931ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 380302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 38158a96fc3SMarcel Holtmann __u8 min_enc_key_size; 382a4790360SMarcel Holtmann __u8 max_enc_key_size; 383a4790360SMarcel Holtmann __u8 pairing_opts; 38406f5b778SMarcel Holtmann __u8 ssp_debug_mode; 385c7741d16SMarcel Holtmann __u8 hw_error_code; 38633f35721SJohan Hedberg __u32 clock; 387c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 388c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 38980af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 390f332ec66SJohan Hedberg 3912b9be137SMarcel Holtmann __u16 devid_source; 3922b9be137SMarcel Holtmann __u16 devid_vendor; 3932b9be137SMarcel Holtmann __u16 devid_product; 3942b9be137SMarcel Holtmann __u16 devid_version; 3951da177e4SLinus Torvalds 39610873f99SAlain Michaud __u8 def_page_scan_type; 39710873f99SAlain Michaud __u16 def_page_scan_int; 39810873f99SAlain Michaud __u16 def_page_scan_window; 39910873f99SAlain Michaud __u8 def_inq_scan_type; 40010873f99SAlain Michaud __u16 def_inq_scan_int; 40110873f99SAlain Michaud __u16 def_inq_scan_window; 40210873f99SAlain Michaud __u16 def_br_lsto; 40310873f99SAlain Michaud __u16 def_page_timeout; 40410873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 40549b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4067c395ea5SDaniel Winkler __s8 min_le_tx_power; 4077c395ea5SDaniel Winkler __s8 max_le_tx_power; 40810873f99SAlain Michaud 4091da177e4SLinus Torvalds __u16 pkt_type; 4105b7f9909SMarcel Holtmann __u16 esco_type; 4111da177e4SLinus Torvalds __u16 link_policy; 4121da177e4SLinus Torvalds __u16 link_mode; 4131da177e4SLinus Torvalds 41404837f64SMarcel Holtmann __u32 idle_timeout; 41504837f64SMarcel Holtmann __u16 sniff_min_interval; 41604837f64SMarcel Holtmann __u16 sniff_max_interval; 41704837f64SMarcel Holtmann 418928abaa7SAndrei Emeltchenko __u8 amp_status; 419928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 420928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 421928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 422928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 423928abaa7SAndrei Emeltchenko __u8 amp_type; 424928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 425928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 426928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 427928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 428928abaa7SAndrei Emeltchenko 429903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 430903e4541SAndrei Emeltchenko 4311e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4321e89cffbSAndrei Emeltchenko 4339f61656aSJohan Hedberg unsigned int auto_accept_delay; 4349f61656aSJohan Hedberg 4351da177e4SLinus Torvalds unsigned long quirks; 4361da177e4SLinus Torvalds 4371da177e4SLinus Torvalds atomic_t cmd_cnt; 4381da177e4SLinus Torvalds unsigned int acl_cnt; 4391da177e4SLinus Torvalds unsigned int sco_cnt; 4406ed58ec5SVille Tervo unsigned int le_cnt; 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds unsigned int acl_mtu; 4431da177e4SLinus Torvalds unsigned int sco_mtu; 4446ed58ec5SVille Tervo unsigned int le_mtu; 4451da177e4SLinus Torvalds unsigned int acl_pkts; 4461da177e4SLinus Torvalds unsigned int sco_pkts; 4476ed58ec5SVille Tervo unsigned int le_pkts; 4481da177e4SLinus Torvalds 449350ee4cfSAndrei Emeltchenko __u16 block_len; 450350ee4cfSAndrei Emeltchenko __u16 block_mtu; 451350ee4cfSAndrei Emeltchenko __u16 num_blocks; 452350ee4cfSAndrei Emeltchenko __u16 block_cnt; 453350ee4cfSAndrei Emeltchenko 4541da177e4SLinus Torvalds unsigned long acl_last_tx; 4551da177e4SLinus Torvalds unsigned long sco_last_tx; 4566ed58ec5SVille Tervo unsigned long le_last_tx; 4571da177e4SLinus Torvalds 4586decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4596decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4606decb5b4SJaganath Kanakkassery 461f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4626ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 463f48fd9c8SMarcel Holtmann 464ab81cbf9SJohan Hedberg struct work_struct power_on; 4653243553fSJohan Hedberg struct delayed_work power_off; 466c7741d16SMarcel Holtmann struct work_struct error_reset; 467ab81cbf9SJohan Hedberg 46816ab91abSJohan Hedberg __u16 discov_timeout; 46916ab91abSJohan Hedberg struct delayed_work discov_off; 47016ab91abSJohan Hedberg 4717d78525dSJohan Hedberg struct delayed_work service_cache; 4727d78525dSJohan Hedberg 47365cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 474de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 475b78752ccSMarcel Holtmann 476b78752ccSMarcel Holtmann struct work_struct rx_work; 477c347b765SGustavo F. Padovan struct work_struct cmd_work; 4783eff45eaSGustavo F. Padovan struct work_struct tx_work; 4791da177e4SLinus Torvalds 480e68f072bSJohan Hedberg struct work_struct discov_update; 4812e93e53bSJohan Hedberg struct work_struct bg_scan_update; 48201b1cb87SJohan Hedberg struct work_struct scan_update; 48353c0ba74SJohan Hedberg struct work_struct connectable_update; 484aed1a885SJohan Hedberg struct work_struct discoverable_update; 4857c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4867c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4872e93e53bSJohan Hedberg 4881da177e4SLinus Torvalds struct sk_buff_head rx_q; 4891da177e4SLinus Torvalds struct sk_buff_head raw_q; 4901da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4911da177e4SLinus Torvalds 4921da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4931da177e4SLinus Torvalds 494a6a67efdSThomas Gleixner struct mutex req_lock; 4951da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4961da177e4SLinus Torvalds __u32 req_status; 4971da177e4SLinus Torvalds __u32 req_result; 498f60cb305SJohan Hedberg struct sk_buff *req_skb; 499a5040efaSJohan Hedberg 50070db83c4SJohan Hedberg void *smp_data; 501ef8efe4bSJohan Hedberg void *smp_bredr_data; 5022e58ef3eSJohan Hedberg 50330883512SJohan Hedberg struct discovery_state discovery; 5049952d90eSAbhishek Pandit-Subedi 5054867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5064867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5074867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5084867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5094867bd00SAbhishek Pandit-Subedi 5109952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5119952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 5129952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5139952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5144f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5154f40afc6SAbhishek Pandit-Subedi bool suspended; 5162f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5172f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5182f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5199952d90eSAbhishek Pandit-Subedi 5209952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 5219952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 5229952d90eSAbhishek Pandit-Subedi 5231da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5245c136e90SAndre Guedes 5255c136e90SAndre Guedes struct list_head mgmt_pending; 5263d4f9c00SArchie Pusaka struct list_head reject_list; 5273d4f9c00SArchie Pusaka struct list_head accept_list; 5282aeb9a1aSJohan Hedberg struct list_head uuids; 52955ed8ca1SJohan Hedberg struct list_head link_keys; 530b899efafSVinicius Costa Gomes struct list_head long_term_keys; 531970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5322763eda6SSzymon Janc struct list_head remote_oob_data; 5333d4f9c00SArchie Pusaka struct list_head le_accept_list; 534cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 53515819a70SAndre Guedes struct list_head le_conn_params; 53677a77a30SAndre Guedes struct list_head pend_le_conns; 53766f8455aSJohan Hedberg struct list_head pend_le_reports; 538600a8749SAlain Michaud struct list_head blocked_keys; 5392763eda6SSzymon Janc 5401da177e4SLinus Torvalds struct hci_dev_stats stat; 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds atomic_t promisc; 5431da177e4SLinus Torvalds 5445177a838SMarcel Holtmann const char *hw_info; 5455177a838SMarcel Holtmann const char *fw_info; 546ca325f69SMarcel Holtmann struct dentry *debugfs; 547ca325f69SMarcel Holtmann 548a91f2e39SMarcel Holtmann struct device dev; 5491da177e4SLinus Torvalds 550611b30f7SMarcel Holtmann struct rfkill *rfkill; 551611b30f7SMarcel Holtmann 552eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 553d23264a8SAndre Guedes 5548fa19098SJohan Hedberg __s8 adv_tx_power; 555c9ed0a70SLuiz Augusto von Dentz __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 5563f0f524bSJohan Hedberg __u8 adv_data_len; 557c9ed0a70SLuiz Augusto von Dentz __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 558f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5598fa19098SJohan Hedberg 560d2609b34SFlorian Grandel struct list_head adv_instances; 561d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 562d2609b34SFlorian Grandel __u8 cur_adv_instance; 5635d900e46SFlorian Grandel __u16 adv_instance_timeout; 5645d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 565203fea01SArman Uguray 566e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 567e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 568e5e1e7fdSMiao-chen Chou 569863efaf2SJohan Hedberg __u8 irk[16]; 570d6bfd59cSJohan Hedberg __u32 rpa_timeout; 571d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5722b5224dcSMarcel Holtmann bdaddr_t rpa; 573863efaf2SJohan Hedberg 574c4f1f408SHoward Chung enum { 575c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 576c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 577c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 578c4f1f408SHoward Chung } interleave_scan_state; 579c4f1f408SHoward Chung 580c4f1f408SHoward Chung struct delayed_work interleave_scan; 581c4f1f408SHoward Chung 58253f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5836d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 58453f863a6SMarcel Holtmann #endif 5856d5d2ee6SHeiner Kallweit 586145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 587145373cbSMiao-chen Chou __u16 msft_opcode; 588145373cbSMiao-chen Chou void *msft_data; 589a61d6718SMarcel Holtmann bool msft_curve_validity; 590145373cbSMiao-chen Chou #endif 591145373cbSMiao-chen Chou 592f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 593f67743f9SMarcel Holtmann bool aosp_capable; 594f67743f9SMarcel Holtmann #endif 595f67743f9SMarcel Holtmann 5961da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 5971da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 5981da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 599f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 600a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6017bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6021da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 603c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 60498a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6054b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 60624c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 607e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 60881dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 6091da177e4SLinus Torvalds }; 6101da177e4SLinus Torvalds 61153502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 61253502d69SAndrei Emeltchenko 61376b13996SManish Mandlik enum conn_reasons { 61476b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 61576b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 61676b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 61776b13996SManish Mandlik }; 61876b13996SManish Mandlik 6191da177e4SLinus Torvalds struct hci_conn { 6201da177e4SLinus Torvalds struct list_head list; 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds atomic_t refcnt; 6231da177e4SLinus Torvalds 6241da177e4SLinus Torvalds bdaddr_t dst; 62529b7988aSAndre Guedes __u8 dst_type; 626662e8820SMarcel Holtmann bdaddr_t src; 627e7c4096eSMarcel Holtmann __u8 src_type; 628cb1d68f7SJohan Hedberg bdaddr_t init_addr; 629cb1d68f7SJohan Hedberg __u8 init_addr_type; 630cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 631cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6321da177e4SLinus Torvalds __u16 handle; 6331da177e4SLinus Torvalds __u16 state; 63404837f64SMarcel Holtmann __u8 mode; 6351da177e4SLinus Torvalds __u8 type; 63640bef302SJohan Hedberg __u8 role; 637a0c808b3SJohan Hedberg bool out; 6384c67bc74SMarcel Holtmann __u8 attempt; 6391da177e4SLinus Torvalds __u8 dev_class[3]; 640cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 641a8746417SMarcel Holtmann __u16 pkt_type; 64204837f64SMarcel Holtmann __u16 link_policy; 64313d39315SWaldemar Rymarkiewicz __u8 key_type; 64440be492fSMarcel Holtmann __u8 auth_type; 6458c1b2355SMarcel Holtmann __u8 sec_level; 646765c2a96SJohan Hedberg __u8 pending_sec_level; 647980e1a53SJohan Hedberg __u8 pin_length; 648726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 64917fa4b9dSJohan Hedberg __u8 io_capability; 65092a25256SJohan Hedberg __u32 passkey_notify; 65192a25256SJohan Hedberg __u8 passkey_entered; 652052b30b0SMarcel Holtmann __u16 disc_timeout; 65309ae260bSJohan Hedberg __u16 conn_timeout; 65410c62ddcSFrédéric Dalleau __u16 setting; 655302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6561e406eefSAndre Guedes __u16 le_conn_min_interval; 6571e406eefSAndre Guedes __u16 le_conn_max_interval; 658e04fde60SMarcel Holtmann __u16 le_conn_interval; 659e04fde60SMarcel Holtmann __u16 le_conn_latency; 660e04fde60SMarcel Holtmann __u16 le_supv_timeout; 661fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 662fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6631efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6641efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6655ae76a94SAndrzej Kaczmarek __s8 rssi; 6665a134faeSAndrzej Kaczmarek __s8 tx_power; 667d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 66851a8efd7SJohan Hedberg unsigned long flags; 6691da177e4SLinus Torvalds 67076b13996SManish Mandlik enum conn_reasons conn_reason; 67176b13996SManish Mandlik 67233f35721SJohan Hedberg __u32 clock; 67333f35721SJohan Hedberg __u16 clock_accuracy; 67433f35721SJohan Hedberg 675dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 676dd983808SAndrzej Kaczmarek 67703b555e1SJohan Hedberg __u8 remote_cap; 67803b555e1SJohan Hedberg __u8 remote_auth; 6793161ae1cSAndrei Emeltchenko __u8 remote_id; 68003b555e1SJohan Hedberg 6811da177e4SLinus Torvalds unsigned int sent; 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds struct sk_buff_head data_q; 6842c33c06aSGustavo F. Padovan struct list_head chan_list; 6851da177e4SLinus Torvalds 68619c40e3bSGustavo F. Padovan struct delayed_work disc_work; 6877bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 688a74a84f6SJohan Hedberg struct delayed_work idle_work; 6899489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 6908ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 6911da177e4SLinus Torvalds 692b219e3acSMarcel Holtmann struct device dev; 69323b9ceb7SMarcel Holtmann struct dentry *debugfs; 694b219e3acSMarcel Holtmann 6951da177e4SLinus Torvalds struct hci_dev *hdev; 6961da177e4SLinus Torvalds void *l2cap_data; 6971da177e4SLinus Torvalds void *sco_data; 6989740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvalds struct hci_conn *link; 701e9a416b5SJohan Hedberg 702e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 703e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 704e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7051da177e4SLinus Torvalds }; 7061da177e4SLinus Torvalds 70773d80debSLuiz Augusto von Dentz struct hci_chan { 70873d80debSLuiz Augusto von Dentz struct list_head list; 70942c4e53eSAndrei Emeltchenko __u16 handle; 71073d80debSLuiz Augusto von Dentz struct hci_conn *conn; 71173d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 71273d80debSLuiz Augusto von Dentz unsigned int sent; 713168df8e5SMat Martineau __u8 state; 7145c4c8c95SArchie Pusaka bool amp; 71573d80debSLuiz Augusto von Dentz }; 71673d80debSLuiz Augusto von Dentz 71715819a70SAndre Guedes struct hci_conn_params { 71815819a70SAndre Guedes struct list_head list; 71993450c75SJohan Hedberg struct list_head action; 72015819a70SAndre Guedes 72115819a70SAndre Guedes bdaddr_t addr; 72215819a70SAndre Guedes u8 addr_type; 72315819a70SAndre Guedes 72415819a70SAndre Guedes u16 conn_min_interval; 72515819a70SAndre Guedes u16 conn_max_interval; 726f044eb05SMarcel Holtmann u16 conn_latency; 727f044eb05SMarcel Holtmann u16 supervision_timeout; 7289fcb18efSAndre Guedes 7299fcb18efSAndre Guedes enum { 7309fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 731a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7324b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7339fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7349fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 735158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7369fcb18efSAndre Guedes } auto_connect; 737f161dd41SJohan Hedberg 738f161dd41SJohan Hedberg struct hci_conn *conn; 739158e9218SJakub Pawlowski bool explicit_connect; 740a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 74115819a70SAndre Guedes }; 74215819a70SAndre Guedes 7431da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7441da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7451da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 746fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7471da177e4SLinus Torvalds 748eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 749eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 750eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 751eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 752eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 753eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 754eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 755d7a5a11dSMarcel Holtmann 756eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 757eacb44dfSMarcel Holtmann do { \ 758eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 759eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7602eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 761eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 762eacb44dfSMarcel Holtmann } while (0) 763516018a9SMarcel Holtmann 764686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 765e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 766e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7679b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 768686ebf28SUlisses Furquim 769ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 770e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7719b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 772ff50e8afSArron Wang #else 773ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 774ff50e8afSArron Wang __u8 *flags) 775ff50e8afSArron Wang { 776ff50e8afSArron Wang return 0; 777ff50e8afSArron Wang } 778ff50e8afSArron Wang 779ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 780ff50e8afSArron Wang { 781ff50e8afSArron Wang } 782ff50e8afSArron Wang #endif 783686ebf28SUlisses Furquim 7841da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 78570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 78670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 7871da177e4SLinus Torvalds 78830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 7891da177e4SLinus Torvalds { 790ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 79130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 79230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 79330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 794da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 79537eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 7961da177e4SLinus Torvalds } 7971da177e4SLinus Torvalds 7980256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 7990256325eSMarcel Holtmann { 80082f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 801da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8020256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8030256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8040256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8050256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8062d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8072d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8080256325eSMarcel Holtmann } 8090256325eSMarcel Holtmann 81030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 81130dc78e1SJohan Hedberg 812ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 813ff9ef578SJohan Hedberg 8141da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8151da177e4SLinus Torvalds { 81630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8171da177e4SLinus Torvalds } 8181da177e4SLinus Torvalds 8191da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8201da177e4SLinus Torvalds { 82130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8221da177e4SLinus Torvalds return jiffies - c->timestamp; 8231da177e4SLinus Torvalds } 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8261da177e4SLinus Torvalds { 8271da177e4SLinus Torvalds return jiffies - e->timestamp; 8281da177e4SLinus Torvalds } 8291da177e4SLinus Torvalds 8305a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8315a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 832561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 833561aafbcSJohan Hedberg bdaddr_t *bdaddr); 83430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 83530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 83630dc78e1SJohan Hedberg int state); 837a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 838a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 839af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 840af58925cSMarcel Holtmann bool name_known); 8411f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8441da177e4SLinus Torvalds enum { 8451da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 84619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8471da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 84804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 84904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 850e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 851b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 85258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 853eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 854abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 85558a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 856af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8574dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8584dae2798SJohan Hedberg HCI_CONN_AUTH, 8594dae2798SJohan Hedberg HCI_CONN_SECURE, 8604dae2798SJohan Hedberg HCI_CONN_FIPS, 861fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 862977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 863f94b665dSJohan Hedberg HCI_CONN_DROP, 86489cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 865fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 866158e9218SJakub Pawlowski HCI_CONN_SCANNING, 867160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8681da177e4SLinus Torvalds }; 8691da177e4SLinus Torvalds 870aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 871aa64a8b5SJohan Hedberg { 872aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 873d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 874c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 875aa64a8b5SJohan Hedberg } 876aa64a8b5SJohan Hedberg 877eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 878eb9a8f3fSMarcel Holtmann { 879eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 880d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 881eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 882eb9a8f3fSMarcel Holtmann } 883eb9a8f3fSMarcel Holtmann 8841da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 8851da177e4SLinus Torvalds { 8861da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 887bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 888fcd89c09SVille Tervo switch (c->type) { 889fcd89c09SVille Tervo case ACL_LINK: 8901da177e4SLinus Torvalds h->acl_num++; 891fcd89c09SVille Tervo break; 892bd1eb66bSAndrei Emeltchenko case AMP_LINK: 893bd1eb66bSAndrei Emeltchenko h->amp_num++; 894bd1eb66bSAndrei Emeltchenko break; 895fcd89c09SVille Tervo case LE_LINK: 896fcd89c09SVille Tervo h->le_num++; 897f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 89839bc74caSArchie Pusaka h->le_num_peripheral++; 899fcd89c09SVille Tervo break; 900fcd89c09SVille Tervo case SCO_LINK: 901fcd89c09SVille Tervo case ESCO_LINK: 9021da177e4SLinus Torvalds h->sco_num++; 903fcd89c09SVille Tervo break; 904fcd89c09SVille Tervo } 9051da177e4SLinus Torvalds } 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9081da177e4SLinus Torvalds { 9091da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 910bf4c6325SGustavo F. Padovan 911bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 912bf4c6325SGustavo F. Padovan synchronize_rcu(); 913bf4c6325SGustavo F. Padovan 914fcd89c09SVille Tervo switch (c->type) { 915fcd89c09SVille Tervo case ACL_LINK: 9161da177e4SLinus Torvalds h->acl_num--; 917fcd89c09SVille Tervo break; 918bd1eb66bSAndrei Emeltchenko case AMP_LINK: 919bd1eb66bSAndrei Emeltchenko h->amp_num--; 920bd1eb66bSAndrei Emeltchenko break; 921fcd89c09SVille Tervo case LE_LINK: 922fcd89c09SVille Tervo h->le_num--; 923f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 92439bc74caSArchie Pusaka h->le_num_peripheral--; 925fcd89c09SVille Tervo break; 926fcd89c09SVille Tervo case SCO_LINK: 927fcd89c09SVille Tervo case ESCO_LINK: 9281da177e4SLinus Torvalds h->sco_num--; 929fcd89c09SVille Tervo break; 930fcd89c09SVille Tervo } 9311da177e4SLinus Torvalds } 9321da177e4SLinus Torvalds 93352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 93452087a79SLuiz Augusto von Dentz { 93552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 93652087a79SLuiz Augusto von Dentz switch (type) { 93752087a79SLuiz Augusto von Dentz case ACL_LINK: 93852087a79SLuiz Augusto von Dentz return h->acl_num; 939bd1eb66bSAndrei Emeltchenko case AMP_LINK: 940bd1eb66bSAndrei Emeltchenko return h->amp_num; 94152087a79SLuiz Augusto von Dentz case LE_LINK: 94252087a79SLuiz Augusto von Dentz return h->le_num; 94352087a79SLuiz Augusto von Dentz case SCO_LINK: 94452087a79SLuiz Augusto von Dentz case ESCO_LINK: 94552087a79SLuiz Augusto von Dentz return h->sco_num; 94652087a79SLuiz Augusto von Dentz default: 94752087a79SLuiz Augusto von Dentz return 0; 94852087a79SLuiz Augusto von Dentz } 94952087a79SLuiz Augusto von Dentz } 95052087a79SLuiz Augusto von Dentz 951f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 952f4f07505SJohan Hedberg { 953f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 954f4f07505SJohan Hedberg 955f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 956f4f07505SJohan Hedberg } 957f4f07505SJohan Hedberg 958845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 959845472e8SMarcel Holtmann { 960845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 961845472e8SMarcel Holtmann struct hci_conn *c; 962845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 963845472e8SMarcel Holtmann 964845472e8SMarcel Holtmann rcu_read_lock(); 965845472e8SMarcel Holtmann 966845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 967845472e8SMarcel Holtmann if (c->handle == handle) { 968845472e8SMarcel Holtmann type = c->type; 969845472e8SMarcel Holtmann break; 970845472e8SMarcel Holtmann } 971845472e8SMarcel Holtmann } 972845472e8SMarcel Holtmann 973845472e8SMarcel Holtmann rcu_read_unlock(); 974845472e8SMarcel Holtmann 975845472e8SMarcel Holtmann return type; 976845472e8SMarcel Holtmann } 977845472e8SMarcel Holtmann 9781da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9791da177e4SLinus Torvalds __u16 handle) 9801da177e4SLinus Torvalds { 9811da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9821da177e4SLinus Torvalds struct hci_conn *c; 9831da177e4SLinus Torvalds 984bf4c6325SGustavo F. Padovan rcu_read_lock(); 985bf4c6325SGustavo F. Padovan 986bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 987bf4c6325SGustavo F. Padovan if (c->handle == handle) { 988bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9891da177e4SLinus Torvalds return c; 9901da177e4SLinus Torvalds } 991bf4c6325SGustavo F. Padovan } 992bf4c6325SGustavo F. Padovan rcu_read_unlock(); 993bf4c6325SGustavo F. Padovan 9941da177e4SLinus Torvalds return NULL; 9951da177e4SLinus Torvalds } 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 9981da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 9991da177e4SLinus Torvalds { 10001da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10011da177e4SLinus Torvalds struct hci_conn *c; 10021da177e4SLinus Torvalds 1003bf4c6325SGustavo F. Padovan rcu_read_lock(); 1004bf4c6325SGustavo F. Padovan 1005bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1006bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1007bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10081da177e4SLinus Torvalds return c; 10091da177e4SLinus Torvalds } 1010bf4c6325SGustavo F. Padovan } 1011bf4c6325SGustavo F. Padovan 1012bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1013bf4c6325SGustavo F. Padovan 10141da177e4SLinus Torvalds return NULL; 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds 10171b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10181b51c7b6SJohan Hedberg bdaddr_t *ba, 10191b51c7b6SJohan Hedberg __u8 ba_type) 10201b51c7b6SJohan Hedberg { 10211b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10221b51c7b6SJohan Hedberg struct hci_conn *c; 10231b51c7b6SJohan Hedberg 10241b51c7b6SJohan Hedberg rcu_read_lock(); 10251b51c7b6SJohan Hedberg 10261b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10271b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10281b51c7b6SJohan Hedberg continue; 10291b51c7b6SJohan Hedberg 10301b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10311b51c7b6SJohan Hedberg rcu_read_unlock(); 10321b51c7b6SJohan Hedberg return c; 10331b51c7b6SJohan Hedberg } 10341b51c7b6SJohan Hedberg } 10351b51c7b6SJohan Hedberg 10361b51c7b6SJohan Hedberg rcu_read_unlock(); 10371b51c7b6SJohan Hedberg 10381b51c7b6SJohan Hedberg return NULL; 10391b51c7b6SJohan Hedberg } 10401b51c7b6SJohan Hedberg 10414c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10424c67bc74SMarcel Holtmann __u8 type, __u16 state) 10434c67bc74SMarcel Holtmann { 10444c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10454c67bc74SMarcel Holtmann struct hci_conn *c; 10464c67bc74SMarcel Holtmann 1047bf4c6325SGustavo F. Padovan rcu_read_lock(); 1048bf4c6325SGustavo F. Padovan 1049bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1050bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1051bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10524c67bc74SMarcel Holtmann return c; 10534c67bc74SMarcel Holtmann } 1054bf4c6325SGustavo F. Padovan } 1055bf4c6325SGustavo F. Padovan 1056bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1057bf4c6325SGustavo F. Padovan 10584c67bc74SMarcel Holtmann return NULL; 10594c67bc74SMarcel Holtmann } 10604c67bc74SMarcel Holtmann 1061e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1062e7d9ab73SJakub Pawlowski { 1063e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1064e7d9ab73SJakub Pawlowski struct hci_conn *c; 1065e7d9ab73SJakub Pawlowski 1066e7d9ab73SJakub Pawlowski rcu_read_lock(); 1067e7d9ab73SJakub Pawlowski 1068e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1069e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1070e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1071e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1072e7d9ab73SJakub Pawlowski return c; 1073e7d9ab73SJakub Pawlowski } 1074e7d9ab73SJakub Pawlowski } 1075e7d9ab73SJakub Pawlowski 1076e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1077e7d9ab73SJakub Pawlowski 1078e7d9ab73SJakub Pawlowski return NULL; 1079e7d9ab73SJakub Pawlowski } 1080e7d9ab73SJakub Pawlowski 1081e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 10822dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1083e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 10841da177e4SLinus Torvalds 1085a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1086a5c4e309SJohan Hedberg u8 role); 10871da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 10881da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1089a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 10901da177e4SLinus Torvalds 109173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 10929472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 10932c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 109442c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 109573d80debSLuiz Augusto von Dentz 1096f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1097f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 109876b13996SManish Mandlik u16 conn_timeout, 109976b13996SManish Mandlik enum conn_reasons conn_reason); 110004a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1101cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 1102082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 110304a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 110476b13996SManish Mandlik u8 sec_level, u8 auth_type, 110576b13996SManish Mandlik enum conn_reasons conn_reason); 110610c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 110710c62ddcSFrédéric Dalleau __u16 setting); 1108e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1109b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1110e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1111e7cafc45SJohan Hedberg bool initiator); 11128c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11131da177e4SLinus Torvalds 111414b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11151da177e4SLinus Torvalds 111606c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 111706c053fbSAndre Guedes 11188d12356fSDavid Herrmann /* 11198d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11208d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11218d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11228d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11238d12356fSDavid Herrmann * other constant data. 11248d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11258d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11268d12356fSDavid Herrmann * get dropped, though. 11278d12356fSDavid Herrmann * 11288d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11298d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11308d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11318d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11328d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11338d12356fSDavid Herrmann * hci_conn_add()). 11348d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11358d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11368d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11378d12356fSDavid Herrmann */ 11388d12356fSDavid Herrmann 113951bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11408d12356fSDavid Herrmann { 11418d12356fSDavid Herrmann get_device(&conn->dev); 114251bb8457SJohan Hedberg return conn; 11438d12356fSDavid Herrmann } 11448d12356fSDavid Herrmann 11458d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11468d12356fSDavid Herrmann { 11478d12356fSDavid Herrmann put_device(&conn->dev); 11488d12356fSDavid Herrmann } 11498d12356fSDavid Herrmann 11501da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11511da177e4SLinus Torvalds { 115271becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 115338b3fef1SAndrei Emeltchenko 11541da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11552f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11561da177e4SLinus Torvalds } 11571da177e4SLinus Torvalds 115876a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11591da177e4SLinus Torvalds { 116071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 116138b3fef1SAndrei Emeltchenko 11621da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 116304837f64SMarcel Holtmann unsigned long timeo; 1164716e4ab5SAndrei Emeltchenko 1165716e4ab5SAndrei Emeltchenko switch (conn->type) { 1166716e4ab5SAndrei Emeltchenko case ACL_LINK: 1167716e4ab5SAndrei Emeltchenko case LE_LINK: 1168a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11696ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11705f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 117104837f64SMarcel Holtmann if (!conn->out) 1172052b30b0SMarcel Holtmann timeo *= 2; 11735a9d0a3fSWaldemar Rymarkiewicz } else { 1174eb78d7e5SJohan Hedberg timeo = 0; 11755a9d0a3fSWaldemar Rymarkiewicz } 1176716e4ab5SAndrei Emeltchenko break; 1177716e4ab5SAndrei Emeltchenko 1178716e4ab5SAndrei Emeltchenko case AMP_LINK: 1179716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1180716e4ab5SAndrei Emeltchenko break; 1181716e4ab5SAndrei Emeltchenko 1182716e4ab5SAndrei Emeltchenko default: 1183eb78d7e5SJohan Hedberg timeo = 0; 1184716e4ab5SAndrei Emeltchenko break; 11855a9d0a3fSWaldemar Rymarkiewicz } 1186716e4ab5SAndrei Emeltchenko 11872f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 118819c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 11891931782bSVinicius Costa Gomes &conn->disc_work, timeo); 11901da177e4SLinus Torvalds } 11911da177e4SLinus Torvalds } 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1194dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 11951da177e4SLinus Torvalds { 1196376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11972c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1198376261aeSAndrei Emeltchenko 11994c724c71SDavid Herrmann put_device(&d->dev); 1200010666a1SDavid Herrmann } 12011da177e4SLinus Torvalds 1202dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12031da177e4SLinus Torvalds { 1204376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12052c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1206376261aeSAndrei Emeltchenko 12074c724c71SDavid Herrmann get_device(&d->dev); 12081da177e4SLinus Torvalds return d; 12091da177e4SLinus Torvalds } 12101da177e4SLinus Torvalds 121109fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 121209fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12131da177e4SLinus Torvalds 1214aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12153dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1216aa2b86d7SDavid Herrmann 1217155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1218155961e8SDavid Herrmann { 1219155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1220155961e8SDavid Herrmann } 1221155961e8SDavid Herrmann 1222155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1223155961e8SDavid Herrmann { 1224155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1225155961e8SDavid Herrmann } 1226155961e8SDavid Herrmann 12271da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 122839385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 12311da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12321da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 123359735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 123458ce6d5bSTetsuo Handa void hci_release_dev(struct hci_dev *hdev); 12351da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12361da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 123775e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1238f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1239f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12401aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12411aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1242145373cbSMiao-chen Chou 1243145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1244145373cbSMiao-chen Chou { 1245145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1246145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1247145373cbSMiao-chen Chou #endif 1248145373cbSMiao-chen Chou } 1249145373cbSMiao-chen Chou 1250f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1251f67743f9SMarcel Holtmann { 1252f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1253f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1254f67743f9SMarcel Holtmann #endif 1255f67743f9SMarcel Holtmann } 1256f67743f9SMarcel Holtmann 12571da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12581da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12596b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12601da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12611da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12621da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12631da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12641da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12651da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12661da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 126740be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 12681da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 12691da177e4SLinus Torvalds 1270dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1271b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1272b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1273b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1274b950aa88SAnkit Navik u8 type); 12758baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 12768baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12778baaa403SAbhishek Pandit-Subedi u8 type); 1278dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1279b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1280b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 12818baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12828baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1283dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1284b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1285b950aa88SAnkit Navik u8 type); 12868baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12878baaa403SAbhishek Pandit-Subedi u8 type); 1288dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1289d2ab0ac1SMarcel Holtmann 129015819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 129115819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 129251d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 129351d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 129415819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 129555af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 129615819a70SAndre Guedes 1297501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1298501f8827SJohan Hedberg bdaddr_t *addr, 1299501f8827SJohan Hedberg u8 addr_type); 130077a77a30SAndre Guedes 130135f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13022aeb9a1aSJohan Hedberg 130335f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 130455ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1305567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13067652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13077652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1308ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 130935d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1310fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1311f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1312e804d25dSJohan Hedberg u8 addr_type, u8 role); 1313e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 131435f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 131555ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 131655ed8ca1SJohan Hedberg 1317970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1318970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1319970c4e46SJohan Hedberg u8 addr_type); 1320ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1321ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1322a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1323600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1324600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1325970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1326970c4e46SJohan Hedberg 132755e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 132855e76b38SJohan Hedberg 132935f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13302763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13316928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13320798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13336928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 133438da1703SJohan Hedberg u8 *hash256, u8 *rand256); 13356928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13366928a924SJohan Hedberg u8 bdaddr_type); 13372763eda6SSzymon Janc 1338d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1339d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1340d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1341d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1342d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1343d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 13449bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 13459bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 134631aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 134731aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 134831aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1349d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1350a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1351d2609b34SFlorian Grandel 1352e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 135366bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1354a2a4dedfSArchie Pusaka int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 135566bd095aSArchie Pusaka int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1356a2a4dedfSArchie Pusaka bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1357a2a4dedfSArchie Pusaka int *err); 135866bd095aSArchie Pusaka bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 135966bd095aSArchie Pusaka bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 13608208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1361a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1362e5e1e7fdSMiao-chen Chou 13631da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13641da177e4SLinus Torvalds 13650ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1366a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1367b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1368b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 13691da177e4SLinus Torvalds 13706935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 13711da177e4SLinus Torvalds 13721da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1373cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1374cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1375cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1376cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1377cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1378cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1379cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1380cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1381cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1382cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1383cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 13848b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1385cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1386cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1387cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1388cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1389cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1390cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1391cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 139207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 13935075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 13945075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 13955075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 13965075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 13971da177e4SLinus Torvalds 1398eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 13996397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 14006397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 140153b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 140253b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1403d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1404d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 140553b834d2SMarcel Holtmann 140653b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1407cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1408d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1409cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1410cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1411eead27daSAndre Guedes 1412d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1413d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 141405b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1415d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1416*c45074d6SLuiz Augusto von Dentz #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \ 1417*c45074d6SLuiz Augusto von Dentz !hci_dev_test_flag(dev, HCI_RPA_EXPIRED)) 1418*c45074d6SLuiz Augusto von Dentz #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \ 1419*c45074d6SLuiz Augusto von Dentz !adv->rpa_expired) 1420432df05eSJohan Hedberg 142145bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 142245bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 142345bdd86eSJaganath Kanakkassery 142445bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 142545bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 142645bdd86eSJaganath Kanakkassery 142745bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 142845bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 142945bdd86eSJaganath Kanakkassery 1430e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1431e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1432e1d57235SMarcel Holtmann 1433a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1434a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1435a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 14364d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 14374d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1438a2344b9eSJaganath Kanakkassery 14396b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 14406b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 14416b49bcb4SJaganath Kanakkassery 14421da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 144320714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 144420714bfeSFrédéric Dalleau 14455a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 144620714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 14471da177e4SLinus Torvalds { 1448686ebf28SUlisses Furquim switch (type) { 1449686ebf28SUlisses Furquim case ACL_LINK: 1450686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 14511da177e4SLinus Torvalds 1452686ebf28SUlisses Furquim case SCO_LINK: 1453686ebf28SUlisses Furquim case ESCO_LINK: 145420714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14551da177e4SLinus Torvalds 1456686ebf28SUlisses Furquim default: 1457686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1458686ebf28SUlisses Furquim return -EINVAL; 1459686ebf28SUlisses Furquim } 14601da177e4SLinus Torvalds } 14611da177e4SLinus Torvalds 14622950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 14632950f21aSMarcel Holtmann { 1464686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1465686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 14662950f21aSMarcel Holtmann 1467686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 14682950f21aSMarcel Holtmann } 14692950f21aSMarcel Holtmann 14701da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 14711da177e4SLinus Torvalds struct hci_cb { 14721da177e4SLinus Torvalds struct list_head list; 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvalds char *name; 14751da177e4SLinus Torvalds 1476539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 14773a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 14785a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 14795a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 14801da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 14811da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 14821da177e4SLinus Torvalds }; 14831da177e4SLinus Torvalds 1484539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1485539c496dSJohan Hedberg { 1486539c496dSJohan Hedberg struct hci_cb *cb; 1487539c496dSJohan Hedberg 1488539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1489539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1490539c496dSJohan Hedberg if (cb->connect_cfm) 1491539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1492539c496dSJohan Hedberg } 1493539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1494539c496dSJohan Hedberg 1495539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1496539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1497539c496dSJohan Hedberg } 1498539c496dSJohan Hedberg 14993a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 15003a6d576bSJohan Hedberg { 15013a6d576bSJohan Hedberg struct hci_cb *cb; 15023a6d576bSJohan Hedberg 15033a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 15043a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 15053a6d576bSJohan Hedberg if (cb->disconn_cfm) 15063a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15073a6d576bSJohan Hedberg } 15083a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15093a6d576bSJohan Hedberg 15103a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15113a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15123a6d576bSJohan Hedberg } 15133a6d576bSJohan Hedberg 15141da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 15151da177e4SLinus Torvalds { 1516711584eaSDenis Kirjanov struct hci_cb *cb; 15178c1b2355SMarcel Holtmann __u8 encrypt; 15181da177e4SLinus Torvalds 151951a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 15208c1b2355SMarcel Holtmann return; 15218c1b2355SMarcel Holtmann 15224dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 15238c1b2355SMarcel Holtmann 1524fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1525711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15268c1b2355SMarcel Holtmann if (cb->security_cfm) 15278c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15281da177e4SLinus Torvalds } 1529fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1530354fe804SJohan Hedberg 1531354fe804SJohan Hedberg if (conn->security_cfm_cb) 1532354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15331da177e4SLinus Torvalds } 15341da177e4SLinus Torvalds 15353ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 15361da177e4SLinus Torvalds { 1537711584eaSDenis Kirjanov struct hci_cb *cb; 15383ca44c16SLuiz Augusto von Dentz __u8 encrypt; 15393ca44c16SLuiz Augusto von Dentz 15403ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1541339ddaa6SPatrick Steinhardt if (!status) 15423ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 15433ca44c16SLuiz Augusto von Dentz 15443ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 15453ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 15463ca44c16SLuiz Augusto von Dentz return; 15473ca44c16SLuiz Augusto von Dentz } 15483ca44c16SLuiz Augusto von Dentz 15493ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 15503ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 15513ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 15523ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 15533ca44c16SLuiz Augusto von Dentz else 15543ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15551da177e4SLinus Torvalds 15568746f135SLuiz Augusto von Dentz if (!status) { 1557435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1558435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1559435fef20SMarcel Holtmann 156088167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 156188167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15628746f135SLuiz Augusto von Dentz } 156388167aedSVinicius Costa Gomes 1564fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1565711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15668c1b2355SMarcel Holtmann if (cb->security_cfm) 15678c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15681da177e4SLinus Torvalds } 1569fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1570354fe804SJohan Hedberg 1571354fe804SJohan Hedberg if (conn->security_cfm_cb) 1572354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15731da177e4SLinus Torvalds } 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 15761da177e4SLinus Torvalds { 1577711584eaSDenis Kirjanov struct hci_cb *cb; 15781da177e4SLinus Torvalds 1579fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1580711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15811da177e4SLinus Torvalds if (cb->key_change_cfm) 15821da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 15831da177e4SLinus Torvalds } 1584fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15851da177e4SLinus Torvalds } 15861da177e4SLinus Torvalds 15875a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 15885a9d0a3fSWaldemar Rymarkiewicz __u8 role) 15891da177e4SLinus Torvalds { 1590711584eaSDenis Kirjanov struct hci_cb *cb; 15911da177e4SLinus Torvalds 1592fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1593711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15941da177e4SLinus Torvalds if (cb->role_switch_cfm) 15951da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 15961da177e4SLinus Torvalds } 1597fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15981da177e4SLinus Torvalds } 15991da177e4SLinus Torvalds 16000d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 16010d3b7f64SJohan Hedberg size_t *data_len) 16026759a675SJohan Hedberg { 160384d9d071SJohan Hedberg size_t parsed = 0; 16046759a675SJohan Hedberg 16050d3b7f64SJohan Hedberg if (eir_len < 2) 16060d3b7f64SJohan Hedberg return NULL; 16076c0c331eSJohan Hedberg 16080d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 16090d3b7f64SJohan Hedberg u8 field_len = eir[0]; 16106759a675SJohan Hedberg 16116759a675SJohan Hedberg if (field_len == 0) 16126759a675SJohan Hedberg break; 16136759a675SJohan Hedberg 16146759a675SJohan Hedberg parsed += field_len + 1; 16156759a675SJohan Hedberg 16160d3b7f64SJohan Hedberg if (parsed > eir_len) 16176759a675SJohan Hedberg break; 16186759a675SJohan Hedberg 16190d3b7f64SJohan Hedberg if (eir[1] != type) { 16200d3b7f64SJohan Hedberg eir += field_len + 1; 16210d3b7f64SJohan Hedberg continue; 16226759a675SJohan Hedberg } 16236759a675SJohan Hedberg 16240d3b7f64SJohan Hedberg /* Zero length data */ 16250d3b7f64SJohan Hedberg if (field_len == 1) 16260d3b7f64SJohan Hedberg return NULL; 16270d3b7f64SJohan Hedberg 16280d3b7f64SJohan Hedberg if (data_len) 16290d3b7f64SJohan Hedberg *data_len = field_len - 1; 16300d3b7f64SJohan Hedberg 16310d3b7f64SJohan Hedberg return &eir[2]; 16320d3b7f64SJohan Hedberg } 16330d3b7f64SJohan Hedberg 16340d3b7f64SJohan Hedberg return NULL; 16356759a675SJohan Hedberg } 16366759a675SJohan Hedberg 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 18581da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1859