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; 224fffd38bcSFlorian Grandel bool pending; 225203fea01SArman Uguray __u8 instance; 226203fea01SArman Uguray __u32 flags; 227912098a6SArman Uguray __u16 timeout; 2285d900e46SFlorian Grandel __u16 remaining_time; 229d2609b34SFlorian Grandel __u16 duration; 230203fea01SArman Uguray __u16 adv_data_len; 231203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 232203fea01SArman Uguray __u16 scan_rsp_len; 233203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 234de181e88SJaganath Kanakkassery __s8 tx_power; 2359bf9f4b6SDaniel Winkler __u32 min_interval; 2369bf9f4b6SDaniel Winkler __u32 max_interval; 237a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 238a73c046aSJaganath Kanakkassery bool rpa_expired; 239a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 240203fea01SArman Uguray }; 241203fea01SArman Uguray 242db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 243d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 244d2609b34SFlorian Grandel 24512410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 24612410572SDaniel Winkler 247e5e1e7fdSMiao-chen Chou struct adv_pattern { 248e5e1e7fdSMiao-chen Chou struct list_head list; 249e5e1e7fdSMiao-chen Chou __u8 ad_type; 250e5e1e7fdSMiao-chen Chou __u8 offset; 251e5e1e7fdSMiao-chen Chou __u8 length; 252e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 253e5e1e7fdSMiao-chen Chou }; 254e5e1e7fdSMiao-chen Chou 255b4a221eaSArchie Pusaka struct adv_rssi_thresholds { 256b4a221eaSArchie Pusaka __s8 low_threshold; 257b4a221eaSArchie Pusaka __s8 high_threshold; 258b4a221eaSArchie Pusaka __u16 low_threshold_timeout; 259b4a221eaSArchie Pusaka __u16 high_threshold_timeout; 260b4a221eaSArchie Pusaka __u8 sampling_period; 261b4a221eaSArchie Pusaka }; 262b4a221eaSArchie Pusaka 263e5e1e7fdSMiao-chen Chou struct adv_monitor { 264e5e1e7fdSMiao-chen Chou struct list_head patterns; 265b4a221eaSArchie Pusaka struct adv_rssi_thresholds rssi; 266e5e1e7fdSMiao-chen Chou __u16 handle; 267a2a4dedfSArchie Pusaka 268a2a4dedfSArchie Pusaka enum { 269a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_NOT_REGISTERED, 270a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_REGISTERED, 271a2a4dedfSArchie Pusaka ADV_MONITOR_STATE_OFFLOADED 272a2a4dedfSArchie Pusaka } state; 273e5e1e7fdSMiao-chen Chou }; 274e5e1e7fdSMiao-chen Chou 275e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 276e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 277e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 278a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_NONE 1 279a2a4dedfSArchie Pusaka #define HCI_ADV_MONITOR_EXT_MSFT 2 280e5e1e7fdSMiao-chen Chou 281490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 282490c5babSJohan Hedberg 283d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 284d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 285d5bb334aSMarcel Holtmann 286d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 287d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 288d6bfd59cSJohan Hedberg 28931ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 29031ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 29131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 292302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 293302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 29431ad1691SAndrzej Kaczmarek 295903e4541SAndrei Emeltchenko struct amp_assoc { 296903e4541SAndrei Emeltchenko __u16 len; 297903e4541SAndrei Emeltchenko __u16 offset; 29893c284eeSAndrei Emeltchenko __u16 rem_len; 29993c284eeSAndrei Emeltchenko __u16 len_so_far; 300903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 301903e4541SAndrei Emeltchenko }; 302903e4541SAndrei Emeltchenko 303d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 304cad718edSJohan Hedberg 3051da177e4SLinus Torvalds struct hci_dev { 3061da177e4SLinus Torvalds struct list_head list; 30709fd0de5SGustavo F. Padovan struct mutex lock; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds char name[8]; 3101da177e4SLinus Torvalds unsigned long flags; 3111da177e4SLinus Torvalds __u16 id; 312c13854ceSMarcel Holtmann __u8 bus; 313943da25dSMarcel Holtmann __u8 dev_type; 3141da177e4SLinus Torvalds bdaddr_t bdaddr; 315e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 31624c457e2SMarcel Holtmann bdaddr_t public_addr; 3177a4cd51dSMarcel Holtmann bdaddr_t random_addr; 318d13eafceSMarcel Holtmann bdaddr_t static_addr; 31956ed2cb8SJohan Hedberg __u8 adv_addr_type; 3201f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 321490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 32280a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 323c4960ecfSMichał Narajowski __u16 appearance; 324a9de9248SMarcel Holtmann __u8 dev_class[3]; 3251aff6f09SJohan Hedberg __u8 major_class; 3261aff6f09SJohan Hedberg __u8 minor_class; 327d2c5d77fSJohan Hedberg __u8 max_page; 328cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 32960e77321SJohan Hedberg __u8 le_features[8]; 330*3d4f9c00SArchie Pusaka __u8 le_accept_list_size; 331cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3326b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3339b008c04SJohan Hedberg __u8 le_states[8]; 334a9de9248SMarcel Holtmann __u8 commands[64]; 3351143e5a6SMarcel Holtmann __u8 hci_ver; 3361143e5a6SMarcel Holtmann __u16 hci_rev; 337d5859e22SJohan Hedberg __u8 lmp_ver; 3381143e5a6SMarcel Holtmann __u16 manufacturer; 3397d69230cSAndrei Emeltchenko __u16 lmp_subver; 3401da177e4SLinus Torvalds __u16 voice_setting; 341b4cb9fb2SMarcel Holtmann __u8 num_iac; 342c2f0f979SMarcel Holtmann __u8 stored_max_keys; 343c2f0f979SMarcel Holtmann __u8 stored_num_keys; 34417fa4b9dSJohan Hedberg __u8 io_capability; 34591c4e9b1SMarcel Holtmann __s8 inq_tx_power; 34600bce3fbSAlain Michaud __u8 err_data_reporting; 347f332ec66SJohan Hedberg __u16 page_scan_interval; 348f332ec66SJohan Hedberg __u16 page_scan_window; 349f332ec66SJohan Hedberg __u8 page_scan_type; 3503f959d46SMarcel Holtmann __u8 le_adv_channel_map; 351628531c9SGeorg Lukas __u16 le_adv_min_interval; 352628531c9SGeorg Lukas __u16 le_adv_max_interval; 353533553f8SMarcel Holtmann __u8 le_scan_type; 354bef64738SMarcel Holtmann __u16 le_scan_interval; 355bef64738SMarcel Holtmann __u16 le_scan_window; 35610873f99SAlain Michaud __u16 le_scan_int_suspend; 35710873f99SAlain Michaud __u16 le_scan_window_suspend; 35810873f99SAlain Michaud __u16 le_scan_int_discovery; 35910873f99SAlain Michaud __u16 le_scan_window_discovery; 36010873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 36110873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 36210873f99SAlain Michaud __u16 le_scan_int_connect; 36310873f99SAlain Michaud __u16 le_scan_window_connect; 3644e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3654e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 36604fb7d90SMarcel Holtmann __u16 le_conn_latency; 36704fb7d90SMarcel Holtmann __u16 le_supv_timeout; 368a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 369a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 370a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 371a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 372a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 373a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 37430d65e08SMatias Karhumaa __u8 le_max_key_size; 37530d65e08SMatias Karhumaa __u8 le_min_key_size; 376b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 37731ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 37831ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 379302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 38058a96fc3SMarcel Holtmann __u8 min_enc_key_size; 381a4790360SMarcel Holtmann __u8 max_enc_key_size; 382a4790360SMarcel Holtmann __u8 pairing_opts; 38306f5b778SMarcel Holtmann __u8 ssp_debug_mode; 384c7741d16SMarcel Holtmann __u8 hw_error_code; 38533f35721SJohan Hedberg __u32 clock; 386c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 387c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 38880af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 389f332ec66SJohan Hedberg 3902b9be137SMarcel Holtmann __u16 devid_source; 3912b9be137SMarcel Holtmann __u16 devid_vendor; 3922b9be137SMarcel Holtmann __u16 devid_product; 3932b9be137SMarcel Holtmann __u16 devid_version; 3941da177e4SLinus Torvalds 39510873f99SAlain Michaud __u8 def_page_scan_type; 39610873f99SAlain Michaud __u16 def_page_scan_int; 39710873f99SAlain Michaud __u16 def_page_scan_window; 39810873f99SAlain Michaud __u8 def_inq_scan_type; 39910873f99SAlain Michaud __u16 def_inq_scan_int; 40010873f99SAlain Michaud __u16 def_inq_scan_window; 40110873f99SAlain Michaud __u16 def_br_lsto; 40210873f99SAlain Michaud __u16 def_page_timeout; 40310873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 40449b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 4057c395ea5SDaniel Winkler __s8 min_le_tx_power; 4067c395ea5SDaniel Winkler __s8 max_le_tx_power; 40710873f99SAlain Michaud 4081da177e4SLinus Torvalds __u16 pkt_type; 4095b7f9909SMarcel Holtmann __u16 esco_type; 4101da177e4SLinus Torvalds __u16 link_policy; 4111da177e4SLinus Torvalds __u16 link_mode; 4121da177e4SLinus Torvalds 41304837f64SMarcel Holtmann __u32 idle_timeout; 41404837f64SMarcel Holtmann __u16 sniff_min_interval; 41504837f64SMarcel Holtmann __u16 sniff_max_interval; 41604837f64SMarcel Holtmann 417928abaa7SAndrei Emeltchenko __u8 amp_status; 418928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 419928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 420928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 421928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 422928abaa7SAndrei Emeltchenko __u8 amp_type; 423928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 424928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 425928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 426928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 427928abaa7SAndrei Emeltchenko 428903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 429903e4541SAndrei Emeltchenko 4301e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4311e89cffbSAndrei Emeltchenko 4329f61656aSJohan Hedberg unsigned int auto_accept_delay; 4339f61656aSJohan Hedberg 4341da177e4SLinus Torvalds unsigned long quirks; 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds atomic_t cmd_cnt; 4371da177e4SLinus Torvalds unsigned int acl_cnt; 4381da177e4SLinus Torvalds unsigned int sco_cnt; 4396ed58ec5SVille Tervo unsigned int le_cnt; 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds unsigned int acl_mtu; 4421da177e4SLinus Torvalds unsigned int sco_mtu; 4436ed58ec5SVille Tervo unsigned int le_mtu; 4441da177e4SLinus Torvalds unsigned int acl_pkts; 4451da177e4SLinus Torvalds unsigned int sco_pkts; 4466ed58ec5SVille Tervo unsigned int le_pkts; 4471da177e4SLinus Torvalds 448350ee4cfSAndrei Emeltchenko __u16 block_len; 449350ee4cfSAndrei Emeltchenko __u16 block_mtu; 450350ee4cfSAndrei Emeltchenko __u16 num_blocks; 451350ee4cfSAndrei Emeltchenko __u16 block_cnt; 452350ee4cfSAndrei Emeltchenko 4531da177e4SLinus Torvalds unsigned long acl_last_tx; 4541da177e4SLinus Torvalds unsigned long sco_last_tx; 4556ed58ec5SVille Tervo unsigned long le_last_tx; 4561da177e4SLinus Torvalds 4576decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4586decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4596decb5b4SJaganath Kanakkassery 460f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4616ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 462f48fd9c8SMarcel Holtmann 463ab81cbf9SJohan Hedberg struct work_struct power_on; 4643243553fSJohan Hedberg struct delayed_work power_off; 465c7741d16SMarcel Holtmann struct work_struct error_reset; 466ab81cbf9SJohan Hedberg 46716ab91abSJohan Hedberg __u16 discov_timeout; 46816ab91abSJohan Hedberg struct delayed_work discov_off; 46916ab91abSJohan Hedberg 4707d78525dSJohan Hedberg struct delayed_work service_cache; 4717d78525dSJohan Hedberg 47265cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 473de75cd0dSManish Mandlik struct delayed_work ncmd_timer; 474b78752ccSMarcel Holtmann 475b78752ccSMarcel Holtmann struct work_struct rx_work; 476c347b765SGustavo F. Padovan struct work_struct cmd_work; 4773eff45eaSGustavo F. Padovan struct work_struct tx_work; 4781da177e4SLinus Torvalds 479e68f072bSJohan Hedberg struct work_struct discov_update; 4802e93e53bSJohan Hedberg struct work_struct bg_scan_update; 48101b1cb87SJohan Hedberg struct work_struct scan_update; 48253c0ba74SJohan Hedberg struct work_struct connectable_update; 483aed1a885SJohan Hedberg struct work_struct discoverable_update; 4847c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4857c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4862e93e53bSJohan Hedberg 4871da177e4SLinus Torvalds struct sk_buff_head rx_q; 4881da177e4SLinus Torvalds struct sk_buff_head raw_q; 4891da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4921da177e4SLinus Torvalds 493a6a67efdSThomas Gleixner struct mutex req_lock; 4941da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4951da177e4SLinus Torvalds __u32 req_status; 4961da177e4SLinus Torvalds __u32 req_result; 497f60cb305SJohan Hedberg struct sk_buff *req_skb; 498a5040efaSJohan Hedberg 49970db83c4SJohan Hedberg void *smp_data; 500ef8efe4bSJohan Hedberg void *smp_bredr_data; 5012e58ef3eSJohan Hedberg 50230883512SJohan Hedberg struct discovery_state discovery; 5039952d90eSAbhishek Pandit-Subedi 5044867bd00SAbhishek Pandit-Subedi int discovery_old_state; 5054867bd00SAbhishek Pandit-Subedi bool discovery_paused; 5064867bd00SAbhishek Pandit-Subedi int advertising_old_state; 5074867bd00SAbhishek Pandit-Subedi bool advertising_paused; 5084867bd00SAbhishek Pandit-Subedi 5099952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 5109952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 5119952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 5129952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 5134f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 5144f40afc6SAbhishek Pandit-Subedi bool suspended; 5152f20216cSAbhishek Pandit-Subedi u8 wake_reason; 5162f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 5172f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 5189952d90eSAbhishek Pandit-Subedi 5199952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 5209952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 5219952d90eSAbhishek Pandit-Subedi 5221da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5235c136e90SAndre Guedes 5245c136e90SAndre Guedes struct list_head mgmt_pending; 525*3d4f9c00SArchie Pusaka struct list_head reject_list; 526*3d4f9c00SArchie Pusaka struct list_head accept_list; 5272aeb9a1aSJohan Hedberg struct list_head uuids; 52855ed8ca1SJohan Hedberg struct list_head link_keys; 529b899efafSVinicius Costa Gomes struct list_head long_term_keys; 530970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5312763eda6SSzymon Janc struct list_head remote_oob_data; 532*3d4f9c00SArchie Pusaka struct list_head le_accept_list; 533cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 53415819a70SAndre Guedes struct list_head le_conn_params; 53577a77a30SAndre Guedes struct list_head pend_le_conns; 53666f8455aSJohan Hedberg struct list_head pend_le_reports; 537600a8749SAlain Michaud struct list_head blocked_keys; 5382763eda6SSzymon Janc 5391da177e4SLinus Torvalds struct hci_dev_stats stat; 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds atomic_t promisc; 5421da177e4SLinus Torvalds 5435177a838SMarcel Holtmann const char *hw_info; 5445177a838SMarcel Holtmann const char *fw_info; 545ca325f69SMarcel Holtmann struct dentry *debugfs; 546ca325f69SMarcel Holtmann 547a91f2e39SMarcel Holtmann struct device dev; 5481da177e4SLinus Torvalds 549611b30f7SMarcel Holtmann struct rfkill *rfkill; 550611b30f7SMarcel Holtmann 551eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 552d23264a8SAndre Guedes 5538fa19098SJohan Hedberg __s8 adv_tx_power; 5543f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 5553f0f524bSJohan Hedberg __u8 adv_data_len; 556f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 557f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5588fa19098SJohan Hedberg 559d2609b34SFlorian Grandel struct list_head adv_instances; 560d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 561d2609b34SFlorian Grandel __u8 cur_adv_instance; 5625d900e46SFlorian Grandel __u16 adv_instance_timeout; 5635d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 564203fea01SArman Uguray 565e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 566e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 567e5e1e7fdSMiao-chen Chou 568863efaf2SJohan Hedberg __u8 irk[16]; 569d6bfd59cSJohan Hedberg __u32 rpa_timeout; 570d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5712b5224dcSMarcel Holtmann bdaddr_t rpa; 572863efaf2SJohan Hedberg 573c4f1f408SHoward Chung enum { 574c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 575c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 576c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 577c4f1f408SHoward Chung } interleave_scan_state; 578c4f1f408SHoward Chung 579c4f1f408SHoward Chung struct delayed_work interleave_scan; 580c4f1f408SHoward Chung 58153f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5826d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 58353f863a6SMarcel Holtmann #endif 5846d5d2ee6SHeiner Kallweit 585145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 586145373cbSMiao-chen Chou __u16 msft_opcode; 587145373cbSMiao-chen Chou void *msft_data; 588a61d6718SMarcel Holtmann bool msft_curve_validity; 589145373cbSMiao-chen Chou #endif 590145373cbSMiao-chen Chou 591f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 592f67743f9SMarcel Holtmann bool aosp_capable; 593f67743f9SMarcel Holtmann #endif 594f67743f9SMarcel Holtmann 5951da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 5961da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 5971da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 598f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 599a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 6007bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 6011da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 602c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 60398a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 6044b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 60524c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 606e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 60781dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 6081da177e4SLinus Torvalds }; 6091da177e4SLinus Torvalds 61053502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 61153502d69SAndrei Emeltchenko 61276b13996SManish Mandlik enum conn_reasons { 61376b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 61476b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 61576b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 61676b13996SManish Mandlik }; 61776b13996SManish Mandlik 6181da177e4SLinus Torvalds struct hci_conn { 6191da177e4SLinus Torvalds struct list_head list; 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds atomic_t refcnt; 6221da177e4SLinus Torvalds 6231da177e4SLinus Torvalds bdaddr_t dst; 62429b7988aSAndre Guedes __u8 dst_type; 625662e8820SMarcel Holtmann bdaddr_t src; 626e7c4096eSMarcel Holtmann __u8 src_type; 627cb1d68f7SJohan Hedberg bdaddr_t init_addr; 628cb1d68f7SJohan Hedberg __u8 init_addr_type; 629cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 630cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6311da177e4SLinus Torvalds __u16 handle; 6321da177e4SLinus Torvalds __u16 state; 63304837f64SMarcel Holtmann __u8 mode; 6341da177e4SLinus Torvalds __u8 type; 63540bef302SJohan Hedberg __u8 role; 636a0c808b3SJohan Hedberg bool out; 6374c67bc74SMarcel Holtmann __u8 attempt; 6381da177e4SLinus Torvalds __u8 dev_class[3]; 639cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 640a8746417SMarcel Holtmann __u16 pkt_type; 64104837f64SMarcel Holtmann __u16 link_policy; 64213d39315SWaldemar Rymarkiewicz __u8 key_type; 64340be492fSMarcel Holtmann __u8 auth_type; 6448c1b2355SMarcel Holtmann __u8 sec_level; 645765c2a96SJohan Hedberg __u8 pending_sec_level; 646980e1a53SJohan Hedberg __u8 pin_length; 647726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 64817fa4b9dSJohan Hedberg __u8 io_capability; 64992a25256SJohan Hedberg __u32 passkey_notify; 65092a25256SJohan Hedberg __u8 passkey_entered; 651052b30b0SMarcel Holtmann __u16 disc_timeout; 65209ae260bSJohan Hedberg __u16 conn_timeout; 65310c62ddcSFrédéric Dalleau __u16 setting; 654302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6551e406eefSAndre Guedes __u16 le_conn_min_interval; 6561e406eefSAndre Guedes __u16 le_conn_max_interval; 657e04fde60SMarcel Holtmann __u16 le_conn_interval; 658e04fde60SMarcel Holtmann __u16 le_conn_latency; 659e04fde60SMarcel Holtmann __u16 le_supv_timeout; 660fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 661fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6621efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6631efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6645ae76a94SAndrzej Kaczmarek __s8 rssi; 6655a134faeSAndrzej Kaczmarek __s8 tx_power; 666d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 66751a8efd7SJohan Hedberg unsigned long flags; 6681da177e4SLinus Torvalds 66976b13996SManish Mandlik enum conn_reasons conn_reason; 67076b13996SManish Mandlik 67133f35721SJohan Hedberg __u32 clock; 67233f35721SJohan Hedberg __u16 clock_accuracy; 67333f35721SJohan Hedberg 674dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 675dd983808SAndrzej Kaczmarek 67603b555e1SJohan Hedberg __u8 remote_cap; 67703b555e1SJohan Hedberg __u8 remote_auth; 6783161ae1cSAndrei Emeltchenko __u8 remote_id; 67903b555e1SJohan Hedberg 6801da177e4SLinus Torvalds unsigned int sent; 6811da177e4SLinus Torvalds 6821da177e4SLinus Torvalds struct sk_buff_head data_q; 6832c33c06aSGustavo F. Padovan struct list_head chan_list; 6841da177e4SLinus Torvalds 68519c40e3bSGustavo F. Padovan struct delayed_work disc_work; 6867bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 687a74a84f6SJohan Hedberg struct delayed_work idle_work; 6889489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 6898ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 6901da177e4SLinus Torvalds 691b219e3acSMarcel Holtmann struct device dev; 69223b9ceb7SMarcel Holtmann struct dentry *debugfs; 693b219e3acSMarcel Holtmann 6941da177e4SLinus Torvalds struct hci_dev *hdev; 6951da177e4SLinus Torvalds void *l2cap_data; 6961da177e4SLinus Torvalds void *sco_data; 6979740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds struct hci_conn *link; 700e9a416b5SJohan Hedberg 701e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 702e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 703e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 7041da177e4SLinus Torvalds }; 7051da177e4SLinus Torvalds 70673d80debSLuiz Augusto von Dentz struct hci_chan { 70773d80debSLuiz Augusto von Dentz struct list_head list; 70842c4e53eSAndrei Emeltchenko __u16 handle; 70973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 71073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 71173d80debSLuiz Augusto von Dentz unsigned int sent; 712168df8e5SMat Martineau __u8 state; 7135c4c8c95SArchie Pusaka bool amp; 71473d80debSLuiz Augusto von Dentz }; 71573d80debSLuiz Augusto von Dentz 71615819a70SAndre Guedes struct hci_conn_params { 71715819a70SAndre Guedes struct list_head list; 71893450c75SJohan Hedberg struct list_head action; 71915819a70SAndre Guedes 72015819a70SAndre Guedes bdaddr_t addr; 72115819a70SAndre Guedes u8 addr_type; 72215819a70SAndre Guedes 72315819a70SAndre Guedes u16 conn_min_interval; 72415819a70SAndre Guedes u16 conn_max_interval; 725f044eb05SMarcel Holtmann u16 conn_latency; 726f044eb05SMarcel Holtmann u16 supervision_timeout; 7279fcb18efSAndre Guedes 7289fcb18efSAndre Guedes enum { 7299fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 730a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7314b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7329fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7339fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 734158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7359fcb18efSAndre Guedes } auto_connect; 736f161dd41SJohan Hedberg 737f161dd41SJohan Hedberg struct hci_conn *conn; 738158e9218SJakub Pawlowski bool explicit_connect; 739a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 74015819a70SAndre Guedes }; 74115819a70SAndre Guedes 7421da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7431da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7441da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 745fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7461da177e4SLinus Torvalds 747eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 748eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 749eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 750eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 751eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 752eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 753eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 754d7a5a11dSMarcel Holtmann 755eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 756eacb44dfSMarcel Holtmann do { \ 757eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 758eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7592eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 760eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 761eacb44dfSMarcel Holtmann } while (0) 762516018a9SMarcel Holtmann 763686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 764e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 765e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7669b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 767686ebf28SUlisses Furquim 768ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 769e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7709b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 771ff50e8afSArron Wang #else 772ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 773ff50e8afSArron Wang __u8 *flags) 774ff50e8afSArron Wang { 775ff50e8afSArron Wang return 0; 776ff50e8afSArron Wang } 777ff50e8afSArron Wang 778ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 779ff50e8afSArron Wang { 780ff50e8afSArron Wang } 781ff50e8afSArron Wang #endif 782686ebf28SUlisses Furquim 7831da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 78470f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 78570f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 7861da177e4SLinus Torvalds 78730883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 7881da177e4SLinus Torvalds { 789ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 79030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 79130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 79230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 793da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 79437eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 7951da177e4SLinus Torvalds } 7961da177e4SLinus Torvalds 7970256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 7980256325eSMarcel Holtmann { 79982f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 800da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 8010256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 8020256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 8030256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 8040256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 8052d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 8062d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 8070256325eSMarcel Holtmann } 8080256325eSMarcel Holtmann 80930dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 81030dc78e1SJohan Hedberg 811ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 812ff9ef578SJohan Hedberg 8131da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 8141da177e4SLinus Torvalds { 81530883512SJohan Hedberg return list_empty(&hdev->discovery.all); 8161da177e4SLinus Torvalds } 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 8191da177e4SLinus Torvalds { 82030883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 8211da177e4SLinus Torvalds return jiffies - c->timestamp; 8221da177e4SLinus Torvalds } 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 8251da177e4SLinus Torvalds { 8261da177e4SLinus Torvalds return jiffies - e->timestamp; 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds 8295a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8305a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 831561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 832561aafbcSJohan Hedberg bdaddr_t *bdaddr); 83330dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 83430dc78e1SJohan Hedberg bdaddr_t *bdaddr, 83530dc78e1SJohan Hedberg int state); 836a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 837a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 838af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 839af58925cSMarcel Holtmann bool name_known); 8401f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8431da177e4SLinus Torvalds enum { 8441da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 84519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8461da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 84704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 84804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 849e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 850b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 85158a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 852eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 853abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 85458a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 855af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8564dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8574dae2798SJohan Hedberg HCI_CONN_AUTH, 8584dae2798SJohan Hedberg HCI_CONN_SECURE, 8594dae2798SJohan Hedberg HCI_CONN_FIPS, 860fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 861977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 862f94b665dSJohan Hedberg HCI_CONN_DROP, 86389cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 864fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 865158e9218SJakub Pawlowski HCI_CONN_SCANNING, 866160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8671da177e4SLinus Torvalds }; 8681da177e4SLinus Torvalds 869aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 870aa64a8b5SJohan Hedberg { 871aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 872d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 873c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 874aa64a8b5SJohan Hedberg } 875aa64a8b5SJohan Hedberg 876eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 877eb9a8f3fSMarcel Holtmann { 878eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 879d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 880eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 881eb9a8f3fSMarcel Holtmann } 882eb9a8f3fSMarcel Holtmann 8831da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 8841da177e4SLinus Torvalds { 8851da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 886bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 887fcd89c09SVille Tervo switch (c->type) { 888fcd89c09SVille Tervo case ACL_LINK: 8891da177e4SLinus Torvalds h->acl_num++; 890fcd89c09SVille Tervo break; 891bd1eb66bSAndrei Emeltchenko case AMP_LINK: 892bd1eb66bSAndrei Emeltchenko h->amp_num++; 893bd1eb66bSAndrei Emeltchenko break; 894fcd89c09SVille Tervo case LE_LINK: 895fcd89c09SVille Tervo h->le_num++; 896f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 89739bc74caSArchie Pusaka h->le_num_peripheral++; 898fcd89c09SVille Tervo break; 899fcd89c09SVille Tervo case SCO_LINK: 900fcd89c09SVille Tervo case ESCO_LINK: 9011da177e4SLinus Torvalds h->sco_num++; 902fcd89c09SVille Tervo break; 903fcd89c09SVille Tervo } 9041da177e4SLinus Torvalds } 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 9071da177e4SLinus Torvalds { 9081da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 909bf4c6325SGustavo F. Padovan 910bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 911bf4c6325SGustavo F. Padovan synchronize_rcu(); 912bf4c6325SGustavo F. Padovan 913fcd89c09SVille Tervo switch (c->type) { 914fcd89c09SVille Tervo case ACL_LINK: 9151da177e4SLinus Torvalds h->acl_num--; 916fcd89c09SVille Tervo break; 917bd1eb66bSAndrei Emeltchenko case AMP_LINK: 918bd1eb66bSAndrei Emeltchenko h->amp_num--; 919bd1eb66bSAndrei Emeltchenko break; 920fcd89c09SVille Tervo case LE_LINK: 921fcd89c09SVille Tervo h->le_num--; 922f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 92339bc74caSArchie Pusaka h->le_num_peripheral--; 924fcd89c09SVille Tervo break; 925fcd89c09SVille Tervo case SCO_LINK: 926fcd89c09SVille Tervo case ESCO_LINK: 9271da177e4SLinus Torvalds h->sco_num--; 928fcd89c09SVille Tervo break; 929fcd89c09SVille Tervo } 9301da177e4SLinus Torvalds } 9311da177e4SLinus Torvalds 93252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 93352087a79SLuiz Augusto von Dentz { 93452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 93552087a79SLuiz Augusto von Dentz switch (type) { 93652087a79SLuiz Augusto von Dentz case ACL_LINK: 93752087a79SLuiz Augusto von Dentz return h->acl_num; 938bd1eb66bSAndrei Emeltchenko case AMP_LINK: 939bd1eb66bSAndrei Emeltchenko return h->amp_num; 94052087a79SLuiz Augusto von Dentz case LE_LINK: 94152087a79SLuiz Augusto von Dentz return h->le_num; 94252087a79SLuiz Augusto von Dentz case SCO_LINK: 94352087a79SLuiz Augusto von Dentz case ESCO_LINK: 94452087a79SLuiz Augusto von Dentz return h->sco_num; 94552087a79SLuiz Augusto von Dentz default: 94652087a79SLuiz Augusto von Dentz return 0; 94752087a79SLuiz Augusto von Dentz } 94852087a79SLuiz Augusto von Dentz } 94952087a79SLuiz Augusto von Dentz 950f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 951f4f07505SJohan Hedberg { 952f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 953f4f07505SJohan Hedberg 954f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 955f4f07505SJohan Hedberg } 956f4f07505SJohan Hedberg 957845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 958845472e8SMarcel Holtmann { 959845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 960845472e8SMarcel Holtmann struct hci_conn *c; 961845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 962845472e8SMarcel Holtmann 963845472e8SMarcel Holtmann rcu_read_lock(); 964845472e8SMarcel Holtmann 965845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 966845472e8SMarcel Holtmann if (c->handle == handle) { 967845472e8SMarcel Holtmann type = c->type; 968845472e8SMarcel Holtmann break; 969845472e8SMarcel Holtmann } 970845472e8SMarcel Holtmann } 971845472e8SMarcel Holtmann 972845472e8SMarcel Holtmann rcu_read_unlock(); 973845472e8SMarcel Holtmann 974845472e8SMarcel Holtmann return type; 975845472e8SMarcel Holtmann } 976845472e8SMarcel Holtmann 9771da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9781da177e4SLinus Torvalds __u16 handle) 9791da177e4SLinus Torvalds { 9801da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9811da177e4SLinus Torvalds struct hci_conn *c; 9821da177e4SLinus Torvalds 983bf4c6325SGustavo F. Padovan rcu_read_lock(); 984bf4c6325SGustavo F. Padovan 985bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 986bf4c6325SGustavo F. Padovan if (c->handle == handle) { 987bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9881da177e4SLinus Torvalds return c; 9891da177e4SLinus Torvalds } 990bf4c6325SGustavo F. Padovan } 991bf4c6325SGustavo F. Padovan rcu_read_unlock(); 992bf4c6325SGustavo F. Padovan 9931da177e4SLinus Torvalds return NULL; 9941da177e4SLinus Torvalds } 9951da177e4SLinus Torvalds 9961da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 9971da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 9981da177e4SLinus Torvalds { 9991da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 10001da177e4SLinus Torvalds struct hci_conn *c; 10011da177e4SLinus Torvalds 1002bf4c6325SGustavo F. Padovan rcu_read_lock(); 1003bf4c6325SGustavo F. Padovan 1004bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1005bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 1006bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10071da177e4SLinus Torvalds return c; 10081da177e4SLinus Torvalds } 1009bf4c6325SGustavo F. Padovan } 1010bf4c6325SGustavo F. Padovan 1011bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1012bf4c6325SGustavo F. Padovan 10131da177e4SLinus Torvalds return NULL; 10141da177e4SLinus Torvalds } 10151da177e4SLinus Torvalds 10161b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 10171b51c7b6SJohan Hedberg bdaddr_t *ba, 10181b51c7b6SJohan Hedberg __u8 ba_type) 10191b51c7b6SJohan Hedberg { 10201b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 10211b51c7b6SJohan Hedberg struct hci_conn *c; 10221b51c7b6SJohan Hedberg 10231b51c7b6SJohan Hedberg rcu_read_lock(); 10241b51c7b6SJohan Hedberg 10251b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 10261b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10271b51c7b6SJohan Hedberg continue; 10281b51c7b6SJohan Hedberg 10291b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10301b51c7b6SJohan Hedberg rcu_read_unlock(); 10311b51c7b6SJohan Hedberg return c; 10321b51c7b6SJohan Hedberg } 10331b51c7b6SJohan Hedberg } 10341b51c7b6SJohan Hedberg 10351b51c7b6SJohan Hedberg rcu_read_unlock(); 10361b51c7b6SJohan Hedberg 10371b51c7b6SJohan Hedberg return NULL; 10381b51c7b6SJohan Hedberg } 10391b51c7b6SJohan Hedberg 10404c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10414c67bc74SMarcel Holtmann __u8 type, __u16 state) 10424c67bc74SMarcel Holtmann { 10434c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10444c67bc74SMarcel Holtmann struct hci_conn *c; 10454c67bc74SMarcel Holtmann 1046bf4c6325SGustavo F. Padovan rcu_read_lock(); 1047bf4c6325SGustavo F. Padovan 1048bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1049bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1050bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10514c67bc74SMarcel Holtmann return c; 10524c67bc74SMarcel Holtmann } 1053bf4c6325SGustavo F. Padovan } 1054bf4c6325SGustavo F. Padovan 1055bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1056bf4c6325SGustavo F. Padovan 10574c67bc74SMarcel Holtmann return NULL; 10584c67bc74SMarcel Holtmann } 10594c67bc74SMarcel Holtmann 1060e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1061e7d9ab73SJakub Pawlowski { 1062e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1063e7d9ab73SJakub Pawlowski struct hci_conn *c; 1064e7d9ab73SJakub Pawlowski 1065e7d9ab73SJakub Pawlowski rcu_read_lock(); 1066e7d9ab73SJakub Pawlowski 1067e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1068e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1069e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1070e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1071e7d9ab73SJakub Pawlowski return c; 1072e7d9ab73SJakub Pawlowski } 1073e7d9ab73SJakub Pawlowski } 1074e7d9ab73SJakub Pawlowski 1075e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1076e7d9ab73SJakub Pawlowski 1077e7d9ab73SJakub Pawlowski return NULL; 1078e7d9ab73SJakub Pawlowski } 1079e7d9ab73SJakub Pawlowski 1080e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 10812dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1082e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 10831da177e4SLinus Torvalds 1084a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1085a5c4e309SJohan Hedberg u8 role); 10861da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 10871da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1088a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 10891da177e4SLinus Torvalds 109073d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 10919472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 10922c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 109342c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 109473d80debSLuiz Augusto von Dentz 1095f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1096f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 109776b13996SManish Mandlik u16 conn_timeout, 109876b13996SManish Mandlik enum conn_reasons conn_reason); 109904a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1100cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 1101082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 110204a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 110376b13996SManish Mandlik u8 sec_level, u8 auth_type, 110476b13996SManish Mandlik enum conn_reasons conn_reason); 110510c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 110610c62ddcSFrédéric Dalleau __u16 setting); 1107e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1108b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1109e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1110e7cafc45SJohan Hedberg bool initiator); 11118c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 11121da177e4SLinus Torvalds 111314b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 11141da177e4SLinus Torvalds 111506c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 111606c053fbSAndre Guedes 11178d12356fSDavid Herrmann /* 11188d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 11198d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 11208d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 11218d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 11228d12356fSDavid Herrmann * other constant data. 11238d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 11248d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 11258d12356fSDavid Herrmann * get dropped, though. 11268d12356fSDavid Herrmann * 11278d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11288d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11298d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11308d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11318d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11328d12356fSDavid Herrmann * hci_conn_add()). 11338d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11348d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11358d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11368d12356fSDavid Herrmann */ 11378d12356fSDavid Herrmann 113851bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11398d12356fSDavid Herrmann { 11408d12356fSDavid Herrmann get_device(&conn->dev); 114151bb8457SJohan Hedberg return conn; 11428d12356fSDavid Herrmann } 11438d12356fSDavid Herrmann 11448d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11458d12356fSDavid Herrmann { 11468d12356fSDavid Herrmann put_device(&conn->dev); 11478d12356fSDavid Herrmann } 11488d12356fSDavid Herrmann 11491da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11501da177e4SLinus Torvalds { 115171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 115238b3fef1SAndrei Emeltchenko 11531da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11542f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11551da177e4SLinus Torvalds } 11561da177e4SLinus Torvalds 115776a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11581da177e4SLinus Torvalds { 115971becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 116038b3fef1SAndrei Emeltchenko 11611da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 116204837f64SMarcel Holtmann unsigned long timeo; 1163716e4ab5SAndrei Emeltchenko 1164716e4ab5SAndrei Emeltchenko switch (conn->type) { 1165716e4ab5SAndrei Emeltchenko case ACL_LINK: 1166716e4ab5SAndrei Emeltchenko case LE_LINK: 1167a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11686ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11695f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 117004837f64SMarcel Holtmann if (!conn->out) 1171052b30b0SMarcel Holtmann timeo *= 2; 11725a9d0a3fSWaldemar Rymarkiewicz } else { 1173eb78d7e5SJohan Hedberg timeo = 0; 11745a9d0a3fSWaldemar Rymarkiewicz } 1175716e4ab5SAndrei Emeltchenko break; 1176716e4ab5SAndrei Emeltchenko 1177716e4ab5SAndrei Emeltchenko case AMP_LINK: 1178716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1179716e4ab5SAndrei Emeltchenko break; 1180716e4ab5SAndrei Emeltchenko 1181716e4ab5SAndrei Emeltchenko default: 1182eb78d7e5SJohan Hedberg timeo = 0; 1183716e4ab5SAndrei Emeltchenko break; 11845a9d0a3fSWaldemar Rymarkiewicz } 1185716e4ab5SAndrei Emeltchenko 11862f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 118719c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 11881931782bSVinicius Costa Gomes &conn->disc_work, timeo); 11891da177e4SLinus Torvalds } 11901da177e4SLinus Torvalds } 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1193dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 11941da177e4SLinus Torvalds { 1195376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11962c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1197376261aeSAndrei Emeltchenko 11984c724c71SDavid Herrmann put_device(&d->dev); 1199010666a1SDavid Herrmann } 12001da177e4SLinus Torvalds 1201dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 12021da177e4SLinus Torvalds { 1203376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 12042c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1205376261aeSAndrei Emeltchenko 12064c724c71SDavid Herrmann get_device(&d->dev); 12071da177e4SLinus Torvalds return d; 12081da177e4SLinus Torvalds } 12091da177e4SLinus Torvalds 121009fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 121109fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 12121da177e4SLinus Torvalds 1213aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 12143dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1215aa2b86d7SDavid Herrmann 1216155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1217155961e8SDavid Herrmann { 1218155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1219155961e8SDavid Herrmann } 1220155961e8SDavid Herrmann 1221155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1222155961e8SDavid Herrmann { 1223155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1224155961e8SDavid Herrmann } 1225155961e8SDavid Herrmann 12261da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 122739385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 12301da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12311da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 123259735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 12331da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12341da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 123575e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1236f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1237f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12381aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12391aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1240145373cbSMiao-chen Chou 1241145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1242145373cbSMiao-chen Chou { 1243145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1244145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1245145373cbSMiao-chen Chou #endif 1246145373cbSMiao-chen Chou } 1247145373cbSMiao-chen Chou 1248f67743f9SMarcel Holtmann static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1249f67743f9SMarcel Holtmann { 1250f67743f9SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1251f67743f9SMarcel Holtmann hdev->aosp_capable = true; 1252f67743f9SMarcel Holtmann #endif 1253f67743f9SMarcel Holtmann } 1254f67743f9SMarcel Holtmann 12551da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12561da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12576b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12581da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12591da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12601da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12611da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12621da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12631da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12641da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 126540be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 12661da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 12671da177e4SLinus Torvalds 1268dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1269b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1270b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1271b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1272b950aa88SAnkit Navik u8 type); 12738baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 12748baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12758baaa403SAbhishek Pandit-Subedi u8 type); 1276dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1277b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1278b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 12798baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12808baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1281dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1282b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1283b950aa88SAnkit Navik u8 type); 12848baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12858baaa403SAbhishek Pandit-Subedi u8 type); 1286dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1287d2ab0ac1SMarcel Holtmann 128815819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 128915819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 129051d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 129151d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 129215819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 129355af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 129415819a70SAndre Guedes 1295501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1296501f8827SJohan Hedberg bdaddr_t *addr, 1297501f8827SJohan Hedberg u8 addr_type); 129877a77a30SAndre Guedes 129935f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 13002aeb9a1aSJohan Hedberg 130135f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 130255ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1303567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 13047652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 13057652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1306ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 130735d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1308fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1309f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1310e804d25dSJohan Hedberg u8 addr_type, u8 role); 1311e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 131235f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 131355ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 131455ed8ca1SJohan Hedberg 1315970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1316970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1317970c4e46SJohan Hedberg u8 addr_type); 1318ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1319ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1320a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1321600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1322600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1323970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1324970c4e46SJohan Hedberg 132555e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 132655e76b38SJohan Hedberg 132735f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 13282763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 13296928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 13300798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13316928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 133238da1703SJohan Hedberg u8 *hash256, u8 *rand256); 13336928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13346928a924SJohan Hedberg u8 bdaddr_type); 13352763eda6SSzymon Janc 1336d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1337d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1338d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1339d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1340d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1341d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 13429bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 13439bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 134431aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 134531aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 134631aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1347d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1348a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1349d2609b34SFlorian Grandel 1350e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 135166bd095aSArchie Pusaka void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1352a2a4dedfSArchie Pusaka int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 135366bd095aSArchie Pusaka int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1354a2a4dedfSArchie Pusaka bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1355a2a4dedfSArchie Pusaka int *err); 135666bd095aSArchie Pusaka bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 135766bd095aSArchie Pusaka bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 13588208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1359a2a4dedfSArchie Pusaka int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1360e5e1e7fdSMiao-chen Chou 13611da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13621da177e4SLinus Torvalds 13630ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1364a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1365b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1366b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 13671da177e4SLinus Torvalds 13686935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 13691da177e4SLinus Torvalds 13701da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1371cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1372cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1373cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1374cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1375cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1376cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1377cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1378cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1379cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1380cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1381cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 13828b1c324cSYu Liu #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1383cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1384cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1385cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1386cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1387cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1388cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1389cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 139007a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 13915075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 13925075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 13935075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 13945075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 13951da177e4SLinus Torvalds 1396eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 13976397729bSArchie Pusaka #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 13986397729bSArchie Pusaka #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 139953b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 140053b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1401d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1402d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 140353b834d2SMarcel Holtmann 140453b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1405cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1406d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1407cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1408cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1409eead27daSAndre Guedes 1410d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1411d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 141205b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1413d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1414432df05eSJohan Hedberg 141545bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 141645bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 141745bdd86eSJaganath Kanakkassery 141845bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 141945bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 142045bdd86eSJaganath Kanakkassery 142145bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 142245bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 142345bdd86eSJaganath Kanakkassery 1424e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1425e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1426e1d57235SMarcel Holtmann 1427a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1428a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1429a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 14304d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 14314d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1432a2344b9eSJaganath Kanakkassery 14336b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 14346b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 14356b49bcb4SJaganath Kanakkassery 14361da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 143720714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 143820714bfeSFrédéric Dalleau 14395a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 144020714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 14411da177e4SLinus Torvalds { 1442686ebf28SUlisses Furquim switch (type) { 1443686ebf28SUlisses Furquim case ACL_LINK: 1444686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 14451da177e4SLinus Torvalds 1446686ebf28SUlisses Furquim case SCO_LINK: 1447686ebf28SUlisses Furquim case ESCO_LINK: 144820714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14491da177e4SLinus Torvalds 1450686ebf28SUlisses Furquim default: 1451686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1452686ebf28SUlisses Furquim return -EINVAL; 1453686ebf28SUlisses Furquim } 14541da177e4SLinus Torvalds } 14551da177e4SLinus Torvalds 14562950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 14572950f21aSMarcel Holtmann { 1458686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1459686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 14602950f21aSMarcel Holtmann 1461686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 14622950f21aSMarcel Holtmann } 14632950f21aSMarcel Holtmann 14641da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 14651da177e4SLinus Torvalds struct hci_cb { 14661da177e4SLinus Torvalds struct list_head list; 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvalds char *name; 14691da177e4SLinus Torvalds 1470539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 14713a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 14725a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 14735a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 14741da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 14751da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 14761da177e4SLinus Torvalds }; 14771da177e4SLinus Torvalds 1478539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1479539c496dSJohan Hedberg { 1480539c496dSJohan Hedberg struct hci_cb *cb; 1481539c496dSJohan Hedberg 1482539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1483539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1484539c496dSJohan Hedberg if (cb->connect_cfm) 1485539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1486539c496dSJohan Hedberg } 1487539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1488539c496dSJohan Hedberg 1489539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1490539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1491539c496dSJohan Hedberg } 1492539c496dSJohan Hedberg 14933a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 14943a6d576bSJohan Hedberg { 14953a6d576bSJohan Hedberg struct hci_cb *cb; 14963a6d576bSJohan Hedberg 14973a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 14983a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 14993a6d576bSJohan Hedberg if (cb->disconn_cfm) 15003a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 15013a6d576bSJohan Hedberg } 15023a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15033a6d576bSJohan Hedberg 15043a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 15053a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 15063a6d576bSJohan Hedberg } 15073a6d576bSJohan Hedberg 15081da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 15091da177e4SLinus Torvalds { 1510711584eaSDenis Kirjanov struct hci_cb *cb; 15118c1b2355SMarcel Holtmann __u8 encrypt; 15121da177e4SLinus Torvalds 151351a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 15148c1b2355SMarcel Holtmann return; 15158c1b2355SMarcel Holtmann 15164dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 15178c1b2355SMarcel Holtmann 1518fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1519711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15208c1b2355SMarcel Holtmann if (cb->security_cfm) 15218c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15221da177e4SLinus Torvalds } 1523fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1524354fe804SJohan Hedberg 1525354fe804SJohan Hedberg if (conn->security_cfm_cb) 1526354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15271da177e4SLinus Torvalds } 15281da177e4SLinus Torvalds 15293ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 15301da177e4SLinus Torvalds { 1531711584eaSDenis Kirjanov struct hci_cb *cb; 15323ca44c16SLuiz Augusto von Dentz __u8 encrypt; 15333ca44c16SLuiz Augusto von Dentz 15343ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1535339ddaa6SPatrick Steinhardt if (!status) 15363ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 15373ca44c16SLuiz Augusto von Dentz 15383ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 15393ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 15403ca44c16SLuiz Augusto von Dentz return; 15413ca44c16SLuiz Augusto von Dentz } 15423ca44c16SLuiz Augusto von Dentz 15433ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 15443ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 15453ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 15463ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 15473ca44c16SLuiz Augusto von Dentz else 15483ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15491da177e4SLinus Torvalds 15508746f135SLuiz Augusto von Dentz if (!status) { 1551435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1552435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1553435fef20SMarcel Holtmann 155488167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 155588167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15568746f135SLuiz Augusto von Dentz } 155788167aedSVinicius Costa Gomes 1558fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1559711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15608c1b2355SMarcel Holtmann if (cb->security_cfm) 15618c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15621da177e4SLinus Torvalds } 1563fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1564354fe804SJohan Hedberg 1565354fe804SJohan Hedberg if (conn->security_cfm_cb) 1566354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15671da177e4SLinus Torvalds } 15681da177e4SLinus Torvalds 15691da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 15701da177e4SLinus Torvalds { 1571711584eaSDenis Kirjanov struct hci_cb *cb; 15721da177e4SLinus Torvalds 1573fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1574711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15751da177e4SLinus Torvalds if (cb->key_change_cfm) 15761da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 15771da177e4SLinus Torvalds } 1578fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15791da177e4SLinus Torvalds } 15801da177e4SLinus Torvalds 15815a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 15825a9d0a3fSWaldemar Rymarkiewicz __u8 role) 15831da177e4SLinus Torvalds { 1584711584eaSDenis Kirjanov struct hci_cb *cb; 15851da177e4SLinus Torvalds 1586fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1587711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15881da177e4SLinus Torvalds if (cb->role_switch_cfm) 15891da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 15901da177e4SLinus Torvalds } 1591fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15921da177e4SLinus Torvalds } 15931da177e4SLinus Torvalds 15940d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 15950d3b7f64SJohan Hedberg size_t *data_len) 15966759a675SJohan Hedberg { 159784d9d071SJohan Hedberg size_t parsed = 0; 15986759a675SJohan Hedberg 15990d3b7f64SJohan Hedberg if (eir_len < 2) 16000d3b7f64SJohan Hedberg return NULL; 16016c0c331eSJohan Hedberg 16020d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 16030d3b7f64SJohan Hedberg u8 field_len = eir[0]; 16046759a675SJohan Hedberg 16056759a675SJohan Hedberg if (field_len == 0) 16066759a675SJohan Hedberg break; 16076759a675SJohan Hedberg 16086759a675SJohan Hedberg parsed += field_len + 1; 16096759a675SJohan Hedberg 16100d3b7f64SJohan Hedberg if (parsed > eir_len) 16116759a675SJohan Hedberg break; 16126759a675SJohan Hedberg 16130d3b7f64SJohan Hedberg if (eir[1] != type) { 16140d3b7f64SJohan Hedberg eir += field_len + 1; 16150d3b7f64SJohan Hedberg continue; 16166759a675SJohan Hedberg } 16176759a675SJohan Hedberg 16180d3b7f64SJohan Hedberg /* Zero length data */ 16190d3b7f64SJohan Hedberg if (field_len == 1) 16200d3b7f64SJohan Hedberg return NULL; 16210d3b7f64SJohan Hedberg 16220d3b7f64SJohan Hedberg if (data_len) 16230d3b7f64SJohan Hedberg *data_len = field_len - 1; 16240d3b7f64SJohan Hedberg 16250d3b7f64SJohan Hedberg return &eir[2]; 16260d3b7f64SJohan Hedberg } 16270d3b7f64SJohan Hedberg 16280d3b7f64SJohan Hedberg return NULL; 16296759a675SJohan Hedberg } 16306759a675SJohan Hedberg 1631301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1632301cb2d8SJohan Hedberg { 1633dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1634301cb2d8SJohan Hedberg return false; 1635301cb2d8SJohan Hedberg 1636301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1637301cb2d8SJohan Hedberg return true; 1638301cb2d8SJohan Hedberg 1639301cb2d8SJohan Hedberg return false; 1640301cb2d8SJohan Hedberg } 1641301cb2d8SJohan Hedberg 1642c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1643c46245b3SJohan Hedberg { 1644c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1645c46245b3SJohan Hedberg return true; 1646c46245b3SJohan Hedberg 1647c46245b3SJohan Hedberg /* Check for Random Static address type */ 1648c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1649c46245b3SJohan Hedberg return true; 1650c46245b3SJohan Hedberg 1651c46245b3SJohan Hedberg return false; 1652c46245b3SJohan Hedberg } 1653c46245b3SJohan Hedberg 16542426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16552426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16562426f3a5SJohan Hedberg { 16572426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16582426f3a5SJohan Hedberg return NULL; 16592426f3a5SJohan Hedberg 16602426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16612426f3a5SJohan Hedberg } 16622426f3a5SJohan Hedberg 1663d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1664d4905f24SAndre Guedes u16 to_multiplier) 1665d4905f24SAndre Guedes { 1666d4905f24SAndre Guedes u16 max_latency; 1667d4905f24SAndre Guedes 1668d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1669d4905f24SAndre Guedes return -EINVAL; 1670d4905f24SAndre Guedes 1671d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1672d4905f24SAndre Guedes return -EINVAL; 1673d4905f24SAndre Guedes 1674d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1675d4905f24SAndre Guedes return -EINVAL; 1676d4905f24SAndre Guedes 16778757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1678d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1679d4905f24SAndre Guedes return -EINVAL; 1680d4905f24SAndre Guedes 1681d4905f24SAndre Guedes return 0; 1682d4905f24SAndre Guedes } 1683d4905f24SAndre Guedes 16841da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 16851da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 16861da177e4SLinus Torvalds 168775e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 168807dc93ddSJohan Hedberg const void *param, u32 timeout); 16897b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 169007dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1691d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1692d6ee6ad7SLoic Poulain const void *param); 169375e84b7cSJohan Hedberg 169407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 169507dc93ddSJohan Hedberg const void *param); 169673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 16970d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 16981da177e4SLinus Torvalds 1699a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 17001da177e4SLinus Torvalds 1701fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1702fbef168fSLoic Poulain const void *param, u32 timeout); 1703fbef168fSLoic Poulain 1704eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1705eab2404bSLuiz Augusto von Dentz 17061da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1707470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 17087129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1709c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1710cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 171138ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 171238ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 171338ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 17141da177e4SLinus Torvalds 1715040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1716040030efSMarcel Holtmann 1717a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1718a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1719a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1720a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1721d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1722b9a245fbSJohan Hedberg 1723801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1724801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1725801c1e8dSJohan Hedberg u16 data_len); 1726801c1e8dSJohan Hedberg size_t data_len; 1727b9a245fbSJohan Hedberg unsigned long flags; 1728801c1e8dSJohan Hedberg }; 1729801c1e8dSJohan Hedberg 1730801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1731801c1e8dSJohan Hedberg struct list_head list; 1732801c1e8dSJohan Hedberg unsigned short channel; 1733801c1e8dSJohan Hedberg size_t handler_count; 1734801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 173588b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1736801c1e8dSJohan Hedberg }; 1737801c1e8dSJohan Hedberg 1738801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1739801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1740801c1e8dSJohan Hedberg 17410381101fSJohan Hedberg /* Management interface */ 1742591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1743591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1744591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1745591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1746591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1747591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1748f39799f5SAndre Guedes 17490d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17500d8cc935SAndre Guedes * Discovery Procedure specification. 17510d8cc935SAndre Guedes */ 17520d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17530d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17543d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1755ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17560d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17570d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17584b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1759cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1760cfa15ccaSMarcel Holtmann #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 17610d8cc935SAndre Guedes 176203c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 176391a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1764bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1765bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17663eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17672ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17682ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1769dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1770745c0ce3SVishal Agarwal bool persistent); 177148ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 17721c6ed31bSYu Liu u8 *name, u8 name_len); 17739b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 177412d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 177512d4a3b2SJohan Hedberg bool mgmt_connected); 17767892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 177788c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1778445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 177948264f06SJohan Hedberg u8 addr_type, u8 status); 1780ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1781e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1782c35938b2SSzymon Janc u8 status); 17833eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1784744cf19eSJohan Hedberg u8 status); 1785744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 178639adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1787272d90dfSJohan Hedberg u8 confirm_hint); 1788744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1789272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1790272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1791272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1792272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1793272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1794604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1795272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1796272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1797272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 179892a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 179992a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 180092a25256SJohan Hedberg u8 entered); 1801e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1802464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 18033e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 18044e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 18057f9a903cSMarcel Holtmann u8 status); 18067667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1807e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 18082154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1809901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1810af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1811af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 18129cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1813b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 18142f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1815346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1816346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1817346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 181884c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 181953ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1820cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 182153ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 182253ac6ab6SMarcel Holtmann bool persistent); 1823ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1824f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1825f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1826f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1827f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 182853c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1829aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1830f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1831f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1832f2252570SJohan Hedberg u8 instance); 1833f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1834f2252570SJohan Hedberg u8 instance); 183566bd095aSArchie Pusaka void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1836b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1837a2a4dedfSArchie Pusaka int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 183866bd095aSArchie Pusaka int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1839346af67bSVinicius Costa Gomes 18407d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 18417d6ca693SJohan Hedberg u16 to_multiplier); 1842fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18438b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18442519a1fcSAndre Guedes 1845a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1846a1f4c318SJohan Hedberg u8 *bdaddr_type); 1847ebd3a747SJohan Hedberg 18485d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18495d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18505d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18515d4d62f6SFrédéric Dalleau 18521da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1853