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, 1089952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1099952d90eSAbhishek Pandit-Subedi }; 1109952d90eSAbhishek Pandit-Subedi 1119952d90eSAbhishek Pandit-Subedi enum suspended_state { 1129952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1134f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1140d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1159952d90eSAbhishek Pandit-Subedi }; 1169952d90eSAbhishek Pandit-Subedi 1171da177e4SLinus Torvalds struct hci_conn_hash { 1181da177e4SLinus Torvalds struct list_head list; 1191da177e4SLinus Torvalds unsigned int acl_num; 120bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1211da177e4SLinus Torvalds unsigned int sco_num; 122fcd89c09SVille Tervo unsigned int le_num; 123f8218dc6SJohan Hedberg unsigned int le_num_slave; 1241da177e4SLinus Torvalds }; 1251da177e4SLinus Torvalds 126f0358568SJohan Hedberg struct bdaddr_list { 127f0358568SJohan Hedberg struct list_head list; 128f0358568SJohan Hedberg bdaddr_t bdaddr; 129b9ee0a78SMarcel Holtmann u8 bdaddr_type; 130f0358568SJohan Hedberg }; 1312aeb9a1aSJohan Hedberg 132b950aa88SAnkit Navik struct bdaddr_list_with_irk { 133b950aa88SAnkit Navik struct list_head list; 134b950aa88SAnkit Navik bdaddr_t bdaddr; 135b950aa88SAnkit Navik u8 bdaddr_type; 136b950aa88SAnkit Navik u8 peer_irk[16]; 137b950aa88SAnkit Navik u8 local_irk[16]; 138b950aa88SAnkit Navik }; 139b950aa88SAnkit Navik 1408baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags { 1418baaa403SAbhishek Pandit-Subedi struct list_head list; 1428baaa403SAbhishek Pandit-Subedi bdaddr_t bdaddr; 1438baaa403SAbhishek Pandit-Subedi u8 bdaddr_type; 1448baaa403SAbhishek Pandit-Subedi u32 current_flags; 1458baaa403SAbhishek Pandit-Subedi }; 1468baaa403SAbhishek Pandit-Subedi 1477a92906fSAbhishek Pandit-Subedi enum hci_conn_flags { 1487a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_REMOTE_WAKEUP, 1497a92906fSAbhishek Pandit-Subedi HCI_CONN_FLAG_MAX 1507a92906fSAbhishek Pandit-Subedi }; 1517a92906fSAbhishek Pandit-Subedi 1527a92906fSAbhishek Pandit-Subedi #define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr)) 1537a92906fSAbhishek Pandit-Subedi 1547a92906fSAbhishek Pandit-Subedi /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 1557a92906fSAbhishek Pandit-Subedi static_assert(HCI_CONN_FLAG_MAX < 32); 1567a92906fSAbhishek Pandit-Subedi 1572aeb9a1aSJohan Hedberg struct bt_uuid { 1582aeb9a1aSJohan Hedberg struct list_head list; 1592aeb9a1aSJohan Hedberg u8 uuid[16]; 16083be8ecaSJohan Hedberg u8 size; 1611aff6f09SJohan Hedberg u8 svc_hint; 1622aeb9a1aSJohan Hedberg }; 1632aeb9a1aSJohan Hedberg 164600a8749SAlain Michaud struct blocked_key { 165600a8749SAlain Michaud struct list_head list; 166600a8749SAlain Michaud struct rcu_head rcu; 167600a8749SAlain Michaud u8 type; 168600a8749SAlain Michaud u8 val[16]; 169600a8749SAlain Michaud }; 170600a8749SAlain Michaud 1717ee4ea36SMarcel Holtmann struct smp_csrk { 1727ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1737ee4ea36SMarcel Holtmann u8 bdaddr_type; 1744cd3928aSJohan Hedberg u8 type; 1757ee4ea36SMarcel Holtmann u8 val[16]; 1767ee4ea36SMarcel Holtmann }; 1777ee4ea36SMarcel Holtmann 178b899efafSVinicius Costa Gomes struct smp_ltk { 179b899efafSVinicius Costa Gomes struct list_head list; 180970d0f1bSJohan Hedberg struct rcu_head rcu; 181b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 182b899efafSVinicius Costa Gomes u8 bdaddr_type; 183b899efafSVinicius Costa Gomes u8 authenticated; 184b899efafSVinicius Costa Gomes u8 type; 185b899efafSVinicius Costa Gomes u8 enc_size; 186b899efafSVinicius Costa Gomes __le16 ediv; 187fe39c7b2SMarcel Holtmann __le64 rand; 188b899efafSVinicius Costa Gomes u8 val[16]; 18903c515d7SMarcel Holtmann }; 190b899efafSVinicius Costa Gomes 191970c4e46SJohan Hedberg struct smp_irk { 192970c4e46SJohan Hedberg struct list_head list; 193adae20cbSJohan Hedberg struct rcu_head rcu; 194970c4e46SJohan Hedberg bdaddr_t rpa; 195970c4e46SJohan Hedberg bdaddr_t bdaddr; 196970c4e46SJohan Hedberg u8 addr_type; 197970c4e46SJohan Hedberg u8 val[16]; 198970c4e46SJohan Hedberg }; 199970c4e46SJohan Hedberg 20055ed8ca1SJohan Hedberg struct link_key { 20155ed8ca1SJohan Hedberg struct list_head list; 2020378b597SJohan Hedberg struct rcu_head rcu; 20355ed8ca1SJohan Hedberg bdaddr_t bdaddr; 20455ed8ca1SJohan Hedberg u8 type; 2059b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 20655ed8ca1SJohan Hedberg u8 pin_len; 20755ed8ca1SJohan Hedberg }; 20855ed8ca1SJohan Hedberg 2092763eda6SSzymon Janc struct oob_data { 2102763eda6SSzymon Janc struct list_head list; 2112763eda6SSzymon Janc bdaddr_t bdaddr; 2126928a924SJohan Hedberg u8 bdaddr_type; 213f7697b16SMarcel Holtmann u8 present; 214519ca9d0SMarcel Holtmann u8 hash192[16]; 21538da1703SJohan Hedberg u8 rand192[16]; 216519ca9d0SMarcel Holtmann u8 hash256[16]; 21738da1703SJohan Hedberg u8 rand256[16]; 2182763eda6SSzymon Janc }; 2192763eda6SSzymon Janc 220203fea01SArman Uguray struct adv_info { 221d2609b34SFlorian Grandel struct list_head list; 222fffd38bcSFlorian Grandel bool pending; 223203fea01SArman Uguray __u8 instance; 224203fea01SArman Uguray __u32 flags; 225912098a6SArman Uguray __u16 timeout; 2265d900e46SFlorian Grandel __u16 remaining_time; 227d2609b34SFlorian Grandel __u16 duration; 228203fea01SArman Uguray __u16 adv_data_len; 229203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 230203fea01SArman Uguray __u16 scan_rsp_len; 231203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 232de181e88SJaganath Kanakkassery __s8 tx_power; 233a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 234a73c046aSJaganath Kanakkassery bool rpa_expired; 235a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 236203fea01SArman Uguray }; 237203fea01SArman Uguray 238db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 239d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 240d2609b34SFlorian Grandel 241e5e1e7fdSMiao-chen Chou struct adv_pattern { 242e5e1e7fdSMiao-chen Chou struct list_head list; 243e5e1e7fdSMiao-chen Chou __u8 ad_type; 244e5e1e7fdSMiao-chen Chou __u8 offset; 245e5e1e7fdSMiao-chen Chou __u8 length; 246e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 247e5e1e7fdSMiao-chen Chou }; 248e5e1e7fdSMiao-chen Chou 249e5e1e7fdSMiao-chen Chou struct adv_monitor { 250e5e1e7fdSMiao-chen Chou struct list_head patterns; 251e5e1e7fdSMiao-chen Chou bool active; 252e5e1e7fdSMiao-chen Chou __u16 handle; 253e5e1e7fdSMiao-chen Chou }; 254e5e1e7fdSMiao-chen Chou 255e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 256e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 257e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 258e5e1e7fdSMiao-chen Chou 259490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 260490c5babSJohan Hedberg 261d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 262d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 263d5bb334aSMarcel Holtmann 264d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 265d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 266d6bfd59cSJohan Hedberg 26731ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 26831ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 26931ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 270302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 271302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 27231ad1691SAndrzej Kaczmarek 273903e4541SAndrei Emeltchenko struct amp_assoc { 274903e4541SAndrei Emeltchenko __u16 len; 275903e4541SAndrei Emeltchenko __u16 offset; 27693c284eeSAndrei Emeltchenko __u16 rem_len; 27793c284eeSAndrei Emeltchenko __u16 len_so_far; 278903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 279903e4541SAndrei Emeltchenko }; 280903e4541SAndrei Emeltchenko 281d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 282cad718edSJohan Hedberg 2831da177e4SLinus Torvalds struct hci_dev { 2841da177e4SLinus Torvalds struct list_head list; 28509fd0de5SGustavo F. Padovan struct mutex lock; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds char name[8]; 2881da177e4SLinus Torvalds unsigned long flags; 2891da177e4SLinus Torvalds __u16 id; 290c13854ceSMarcel Holtmann __u8 bus; 291943da25dSMarcel Holtmann __u8 dev_type; 2921da177e4SLinus Torvalds bdaddr_t bdaddr; 293e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 29424c457e2SMarcel Holtmann bdaddr_t public_addr; 2957a4cd51dSMarcel Holtmann bdaddr_t random_addr; 296d13eafceSMarcel Holtmann bdaddr_t static_addr; 29756ed2cb8SJohan Hedberg __u8 adv_addr_type; 2981f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 299490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 30080a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 301c4960ecfSMichał Narajowski __u16 appearance; 302a9de9248SMarcel Holtmann __u8 dev_class[3]; 3031aff6f09SJohan Hedberg __u8 major_class; 3041aff6f09SJohan Hedberg __u8 minor_class; 305d2c5d77fSJohan Hedberg __u8 max_page; 306cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 30760e77321SJohan Hedberg __u8 le_features[8]; 308cf1d081fSJohan Hedberg __u8 le_white_list_size; 309cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3106b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3119b008c04SJohan Hedberg __u8 le_states[8]; 312a9de9248SMarcel Holtmann __u8 commands[64]; 3131143e5a6SMarcel Holtmann __u8 hci_ver; 3141143e5a6SMarcel Holtmann __u16 hci_rev; 315d5859e22SJohan Hedberg __u8 lmp_ver; 3161143e5a6SMarcel Holtmann __u16 manufacturer; 3177d69230cSAndrei Emeltchenko __u16 lmp_subver; 3181da177e4SLinus Torvalds __u16 voice_setting; 319b4cb9fb2SMarcel Holtmann __u8 num_iac; 320c2f0f979SMarcel Holtmann __u8 stored_max_keys; 321c2f0f979SMarcel Holtmann __u8 stored_num_keys; 32217fa4b9dSJohan Hedberg __u8 io_capability; 32391c4e9b1SMarcel Holtmann __s8 inq_tx_power; 32400bce3fbSAlain Michaud __u8 err_data_reporting; 325f332ec66SJohan Hedberg __u16 page_scan_interval; 326f332ec66SJohan Hedberg __u16 page_scan_window; 327f332ec66SJohan Hedberg __u8 page_scan_type; 3283f959d46SMarcel Holtmann __u8 le_adv_channel_map; 329628531c9SGeorg Lukas __u16 le_adv_min_interval; 330628531c9SGeorg Lukas __u16 le_adv_max_interval; 331533553f8SMarcel Holtmann __u8 le_scan_type; 332bef64738SMarcel Holtmann __u16 le_scan_interval; 333bef64738SMarcel Holtmann __u16 le_scan_window; 33410873f99SAlain Michaud __u16 le_scan_int_suspend; 33510873f99SAlain Michaud __u16 le_scan_window_suspend; 33610873f99SAlain Michaud __u16 le_scan_int_discovery; 33710873f99SAlain Michaud __u16 le_scan_window_discovery; 33810873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 33910873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 34010873f99SAlain Michaud __u16 le_scan_int_connect; 34110873f99SAlain Michaud __u16 le_scan_window_connect; 3424e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3434e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 34404fb7d90SMarcel Holtmann __u16 le_conn_latency; 34504fb7d90SMarcel Holtmann __u16 le_supv_timeout; 346a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 347a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 348a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 349a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 350a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 351a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 35230d65e08SMatias Karhumaa __u8 le_max_key_size; 35330d65e08SMatias Karhumaa __u8 le_min_key_size; 354b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 35531ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 35631ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 357302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 35858a96fc3SMarcel Holtmann __u8 min_enc_key_size; 359a4790360SMarcel Holtmann __u8 max_enc_key_size; 360a4790360SMarcel Holtmann __u8 pairing_opts; 36106f5b778SMarcel Holtmann __u8 ssp_debug_mode; 362c7741d16SMarcel Holtmann __u8 hw_error_code; 36333f35721SJohan Hedberg __u32 clock; 364c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 365c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 36680af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 367f332ec66SJohan Hedberg 3682b9be137SMarcel Holtmann __u16 devid_source; 3692b9be137SMarcel Holtmann __u16 devid_vendor; 3702b9be137SMarcel Holtmann __u16 devid_product; 3712b9be137SMarcel Holtmann __u16 devid_version; 3721da177e4SLinus Torvalds 37310873f99SAlain Michaud __u8 def_page_scan_type; 37410873f99SAlain Michaud __u16 def_page_scan_int; 37510873f99SAlain Michaud __u16 def_page_scan_window; 37610873f99SAlain Michaud __u8 def_inq_scan_type; 37710873f99SAlain Michaud __u16 def_inq_scan_int; 37810873f99SAlain Michaud __u16 def_inq_scan_window; 37910873f99SAlain Michaud __u16 def_br_lsto; 38010873f99SAlain Michaud __u16 def_page_timeout; 38110873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 38249b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 38310873f99SAlain Michaud 3841da177e4SLinus Torvalds __u16 pkt_type; 3855b7f9909SMarcel Holtmann __u16 esco_type; 3861da177e4SLinus Torvalds __u16 link_policy; 3871da177e4SLinus Torvalds __u16 link_mode; 3881da177e4SLinus Torvalds 38904837f64SMarcel Holtmann __u32 idle_timeout; 39004837f64SMarcel Holtmann __u16 sniff_min_interval; 39104837f64SMarcel Holtmann __u16 sniff_max_interval; 39204837f64SMarcel Holtmann 393928abaa7SAndrei Emeltchenko __u8 amp_status; 394928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 395928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 396928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 397928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 398928abaa7SAndrei Emeltchenko __u8 amp_type; 399928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 400928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 401928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 402928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 403928abaa7SAndrei Emeltchenko 404903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 405903e4541SAndrei Emeltchenko 4061e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4071e89cffbSAndrei Emeltchenko 4089f61656aSJohan Hedberg unsigned int auto_accept_delay; 4099f61656aSJohan Hedberg 4101da177e4SLinus Torvalds unsigned long quirks; 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds atomic_t cmd_cnt; 4131da177e4SLinus Torvalds unsigned int acl_cnt; 4141da177e4SLinus Torvalds unsigned int sco_cnt; 4156ed58ec5SVille Tervo unsigned int le_cnt; 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds unsigned int acl_mtu; 4181da177e4SLinus Torvalds unsigned int sco_mtu; 4196ed58ec5SVille Tervo unsigned int le_mtu; 4201da177e4SLinus Torvalds unsigned int acl_pkts; 4211da177e4SLinus Torvalds unsigned int sco_pkts; 4226ed58ec5SVille Tervo unsigned int le_pkts; 4231da177e4SLinus Torvalds 424350ee4cfSAndrei Emeltchenko __u16 block_len; 425350ee4cfSAndrei Emeltchenko __u16 block_mtu; 426350ee4cfSAndrei Emeltchenko __u16 num_blocks; 427350ee4cfSAndrei Emeltchenko __u16 block_cnt; 428350ee4cfSAndrei Emeltchenko 4291da177e4SLinus Torvalds unsigned long acl_last_tx; 4301da177e4SLinus Torvalds unsigned long sco_last_tx; 4316ed58ec5SVille Tervo unsigned long le_last_tx; 4321da177e4SLinus Torvalds 4336decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4346decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4356decb5b4SJaganath Kanakkassery 436f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4376ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 438f48fd9c8SMarcel Holtmann 439ab81cbf9SJohan Hedberg struct work_struct power_on; 4403243553fSJohan Hedberg struct delayed_work power_off; 441c7741d16SMarcel Holtmann struct work_struct error_reset; 442ab81cbf9SJohan Hedberg 44316ab91abSJohan Hedberg __u16 discov_timeout; 44416ab91abSJohan Hedberg struct delayed_work discov_off; 44516ab91abSJohan Hedberg 4467d78525dSJohan Hedberg struct delayed_work service_cache; 4477d78525dSJohan Hedberg 44865cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 449b78752ccSMarcel Holtmann 450b78752ccSMarcel Holtmann struct work_struct rx_work; 451c347b765SGustavo F. Padovan struct work_struct cmd_work; 4523eff45eaSGustavo F. Padovan struct work_struct tx_work; 4531da177e4SLinus Torvalds 454e68f072bSJohan Hedberg struct work_struct discov_update; 4552e93e53bSJohan Hedberg struct work_struct bg_scan_update; 45601b1cb87SJohan Hedberg struct work_struct scan_update; 45753c0ba74SJohan Hedberg struct work_struct connectable_update; 458aed1a885SJohan Hedberg struct work_struct discoverable_update; 4597c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4607c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4612e93e53bSJohan Hedberg 4621da177e4SLinus Torvalds struct sk_buff_head rx_q; 4631da177e4SLinus Torvalds struct sk_buff_head raw_q; 4641da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4671da177e4SLinus Torvalds 468a6a67efdSThomas Gleixner struct mutex req_lock; 4691da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4701da177e4SLinus Torvalds __u32 req_status; 4711da177e4SLinus Torvalds __u32 req_result; 472f60cb305SJohan Hedberg struct sk_buff *req_skb; 473a5040efaSJohan Hedberg 47470db83c4SJohan Hedberg void *smp_data; 475ef8efe4bSJohan Hedberg void *smp_bredr_data; 4762e58ef3eSJohan Hedberg 47730883512SJohan Hedberg struct discovery_state discovery; 4789952d90eSAbhishek Pandit-Subedi 4794867bd00SAbhishek Pandit-Subedi int discovery_old_state; 4804867bd00SAbhishek Pandit-Subedi bool discovery_paused; 4814867bd00SAbhishek Pandit-Subedi int advertising_old_state; 4824867bd00SAbhishek Pandit-Subedi bool advertising_paused; 4834867bd00SAbhishek Pandit-Subedi 4849952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 4859952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 4869952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 4879952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 4884f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 4894f40afc6SAbhishek Pandit-Subedi bool suspended; 4902f20216cSAbhishek Pandit-Subedi u8 wake_reason; 4912f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 4922f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 4939952d90eSAbhishek Pandit-Subedi 4949952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 4959952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 4969952d90eSAbhishek Pandit-Subedi 4971da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 4985c136e90SAndre Guedes 4995c136e90SAndre Guedes struct list_head mgmt_pending; 500ea4bd8baSDavid Miller struct list_head blacklist; 5016659358eSJohan Hedberg struct list_head whitelist; 5022aeb9a1aSJohan Hedberg struct list_head uuids; 50355ed8ca1SJohan Hedberg struct list_head link_keys; 504b899efafSVinicius Costa Gomes struct list_head long_term_keys; 505970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5062763eda6SSzymon Janc struct list_head remote_oob_data; 507d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 508cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 50915819a70SAndre Guedes struct list_head le_conn_params; 51077a77a30SAndre Guedes struct list_head pend_le_conns; 51166f8455aSJohan Hedberg struct list_head pend_le_reports; 512600a8749SAlain Michaud struct list_head blocked_keys; 5132763eda6SSzymon Janc 5141da177e4SLinus Torvalds struct hci_dev_stats stat; 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvalds atomic_t promisc; 5171da177e4SLinus Torvalds 5185177a838SMarcel Holtmann const char *hw_info; 5195177a838SMarcel Holtmann const char *fw_info; 520ca325f69SMarcel Holtmann struct dentry *debugfs; 521ca325f69SMarcel Holtmann 522a91f2e39SMarcel Holtmann struct device dev; 5231da177e4SLinus Torvalds 524611b30f7SMarcel Holtmann struct rfkill *rfkill; 525611b30f7SMarcel Holtmann 526eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 527d23264a8SAndre Guedes 5288fa19098SJohan Hedberg __s8 adv_tx_power; 5293f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 5303f0f524bSJohan Hedberg __u8 adv_data_len; 531f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 532f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5338fa19098SJohan Hedberg 534d2609b34SFlorian Grandel struct list_head adv_instances; 535d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 536d2609b34SFlorian Grandel __u8 cur_adv_instance; 5375d900e46SFlorian Grandel __u16 adv_instance_timeout; 5385d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 539203fea01SArman Uguray 540e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 541e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 542e5e1e7fdSMiao-chen Chou 543863efaf2SJohan Hedberg __u8 irk[16]; 544d6bfd59cSJohan Hedberg __u32 rpa_timeout; 545d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5462b5224dcSMarcel Holtmann bdaddr_t rpa; 547863efaf2SJohan Hedberg 548c4f1f408SHoward Chung enum { 549c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 550c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 551c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 552c4f1f408SHoward Chung } interleave_scan_state; 553c4f1f408SHoward Chung 554c4f1f408SHoward Chung struct delayed_work interleave_scan; 555c4f1f408SHoward Chung 55653f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5576d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 55853f863a6SMarcel Holtmann #endif 5596d5d2ee6SHeiner Kallweit 560145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 561145373cbSMiao-chen Chou __u16 msft_opcode; 562145373cbSMiao-chen Chou void *msft_data; 563145373cbSMiao-chen Chou #endif 564145373cbSMiao-chen Chou 5651da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 5661da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 5671da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 568f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 569a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 5707bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 5711da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 572c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 57398a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 5744b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 57524c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 576e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 57781dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 5781da177e4SLinus Torvalds }; 5791da177e4SLinus Torvalds 58053502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 58153502d69SAndrei Emeltchenko 58276b13996SManish Mandlik enum conn_reasons { 58376b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 58476b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 58576b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 58676b13996SManish Mandlik }; 58776b13996SManish Mandlik 5881da177e4SLinus Torvalds struct hci_conn { 5891da177e4SLinus Torvalds struct list_head list; 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds atomic_t refcnt; 5921da177e4SLinus Torvalds 5931da177e4SLinus Torvalds bdaddr_t dst; 59429b7988aSAndre Guedes __u8 dst_type; 595662e8820SMarcel Holtmann bdaddr_t src; 596e7c4096eSMarcel Holtmann __u8 src_type; 597cb1d68f7SJohan Hedberg bdaddr_t init_addr; 598cb1d68f7SJohan Hedberg __u8 init_addr_type; 599cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 600cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6011da177e4SLinus Torvalds __u16 handle; 6021da177e4SLinus Torvalds __u16 state; 60304837f64SMarcel Holtmann __u8 mode; 6041da177e4SLinus Torvalds __u8 type; 60540bef302SJohan Hedberg __u8 role; 606a0c808b3SJohan Hedberg bool out; 6074c67bc74SMarcel Holtmann __u8 attempt; 6081da177e4SLinus Torvalds __u8 dev_class[3]; 609cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 610a8746417SMarcel Holtmann __u16 pkt_type; 61104837f64SMarcel Holtmann __u16 link_policy; 61213d39315SWaldemar Rymarkiewicz __u8 key_type; 61340be492fSMarcel Holtmann __u8 auth_type; 6148c1b2355SMarcel Holtmann __u8 sec_level; 615765c2a96SJohan Hedberg __u8 pending_sec_level; 616980e1a53SJohan Hedberg __u8 pin_length; 617726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 61817fa4b9dSJohan Hedberg __u8 io_capability; 61992a25256SJohan Hedberg __u32 passkey_notify; 62092a25256SJohan Hedberg __u8 passkey_entered; 621052b30b0SMarcel Holtmann __u16 disc_timeout; 62209ae260bSJohan Hedberg __u16 conn_timeout; 62310c62ddcSFrédéric Dalleau __u16 setting; 624302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6251e406eefSAndre Guedes __u16 le_conn_min_interval; 6261e406eefSAndre Guedes __u16 le_conn_max_interval; 627e04fde60SMarcel Holtmann __u16 le_conn_interval; 628e04fde60SMarcel Holtmann __u16 le_conn_latency; 629e04fde60SMarcel Holtmann __u16 le_supv_timeout; 630fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 631fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6321efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6331efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6345ae76a94SAndrzej Kaczmarek __s8 rssi; 6355a134faeSAndrzej Kaczmarek __s8 tx_power; 636d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 63751a8efd7SJohan Hedberg unsigned long flags; 6381da177e4SLinus Torvalds 63976b13996SManish Mandlik enum conn_reasons conn_reason; 64076b13996SManish Mandlik 64133f35721SJohan Hedberg __u32 clock; 64233f35721SJohan Hedberg __u16 clock_accuracy; 64333f35721SJohan Hedberg 644dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 645dd983808SAndrzej Kaczmarek 64603b555e1SJohan Hedberg __u8 remote_cap; 64703b555e1SJohan Hedberg __u8 remote_auth; 6483161ae1cSAndrei Emeltchenko __u8 remote_id; 64903b555e1SJohan Hedberg 6501da177e4SLinus Torvalds unsigned int sent; 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvalds struct sk_buff_head data_q; 6532c33c06aSGustavo F. Padovan struct list_head chan_list; 6541da177e4SLinus Torvalds 65519c40e3bSGustavo F. Padovan struct delayed_work disc_work; 6567bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 657a74a84f6SJohan Hedberg struct delayed_work idle_work; 6589489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 6598ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 6601da177e4SLinus Torvalds 661b219e3acSMarcel Holtmann struct device dev; 66223b9ceb7SMarcel Holtmann struct dentry *debugfs; 663b219e3acSMarcel Holtmann 6641da177e4SLinus Torvalds struct hci_dev *hdev; 6651da177e4SLinus Torvalds void *l2cap_data; 6661da177e4SLinus Torvalds void *sco_data; 6679740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvalds struct hci_conn *link; 670e9a416b5SJohan Hedberg 671e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 672e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 673e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 6741da177e4SLinus Torvalds }; 6751da177e4SLinus Torvalds 67673d80debSLuiz Augusto von Dentz struct hci_chan { 67773d80debSLuiz Augusto von Dentz struct list_head list; 67842c4e53eSAndrei Emeltchenko __u16 handle; 67973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 68073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 68173d80debSLuiz Augusto von Dentz unsigned int sent; 682168df8e5SMat Martineau __u8 state; 68373d80debSLuiz Augusto von Dentz }; 68473d80debSLuiz Augusto von Dentz 68515819a70SAndre Guedes struct hci_conn_params { 68615819a70SAndre Guedes struct list_head list; 68793450c75SJohan Hedberg struct list_head action; 68815819a70SAndre Guedes 68915819a70SAndre Guedes bdaddr_t addr; 69015819a70SAndre Guedes u8 addr_type; 69115819a70SAndre Guedes 69215819a70SAndre Guedes u16 conn_min_interval; 69315819a70SAndre Guedes u16 conn_max_interval; 694f044eb05SMarcel Holtmann u16 conn_latency; 695f044eb05SMarcel Holtmann u16 supervision_timeout; 6969fcb18efSAndre Guedes 6979fcb18efSAndre Guedes enum { 6989fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 699a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7004b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7019fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7029fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 703158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7049fcb18efSAndre Guedes } auto_connect; 705f161dd41SJohan Hedberg 706f161dd41SJohan Hedberg struct hci_conn *conn; 707158e9218SJakub Pawlowski bool explicit_connect; 708a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 70915819a70SAndre Guedes }; 71015819a70SAndre Guedes 7111da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7121da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7131da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 714fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7151da177e4SLinus Torvalds 716eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 717eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 718eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 719eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 720eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 721eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 722eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 723d7a5a11dSMarcel Holtmann 724eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 725eacb44dfSMarcel Holtmann do { \ 726eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 727eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7282eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 729eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 730eacb44dfSMarcel Holtmann } while (0) 731516018a9SMarcel Holtmann 732686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 733e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 734e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7359b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 736686ebf28SUlisses Furquim 737ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 738e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7399b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 740ff50e8afSArron Wang #else 741ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 742ff50e8afSArron Wang __u8 *flags) 743ff50e8afSArron Wang { 744ff50e8afSArron Wang return 0; 745ff50e8afSArron Wang } 746ff50e8afSArron Wang 747ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 748ff50e8afSArron Wang { 749ff50e8afSArron Wang } 750ff50e8afSArron Wang #endif 751686ebf28SUlisses Furquim 7521da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 75370f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 75470f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 7551da177e4SLinus Torvalds 75630883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 7571da177e4SLinus Torvalds { 758ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 75930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 76030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 76130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 762da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 76337eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 7641da177e4SLinus Torvalds } 7651da177e4SLinus Torvalds 7660256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 7670256325eSMarcel Holtmann { 76882f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 769da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 7700256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 7710256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 7720256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 7730256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 7742d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 7752d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 7760256325eSMarcel Holtmann } 7770256325eSMarcel Holtmann 77830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 77930dc78e1SJohan Hedberg 780ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 781ff9ef578SJohan Hedberg 7821da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 7831da177e4SLinus Torvalds { 78430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 7851da177e4SLinus Torvalds } 7861da177e4SLinus Torvalds 7871da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 7881da177e4SLinus Torvalds { 78930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 7901da177e4SLinus Torvalds return jiffies - c->timestamp; 7911da177e4SLinus Torvalds } 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 7941da177e4SLinus Torvalds { 7951da177e4SLinus Torvalds return jiffies - e->timestamp; 7961da177e4SLinus Torvalds } 7971da177e4SLinus Torvalds 7985a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 7995a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 800561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 801561aafbcSJohan Hedberg bdaddr_t *bdaddr); 80230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 80330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 80430dc78e1SJohan Hedberg int state); 805a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 806a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 807af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 808af58925cSMarcel Holtmann bool name_known); 8091f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8101da177e4SLinus Torvalds 8111da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8121da177e4SLinus Torvalds enum { 8131da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 81419f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8151da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 81604837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 81704837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 818e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 819b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 82058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 821eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 822abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 82358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 824af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8254dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8264dae2798SJohan Hedberg HCI_CONN_AUTH, 8274dae2798SJohan Hedberg HCI_CONN_SECURE, 8284dae2798SJohan Hedberg HCI_CONN_FIPS, 829fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 830977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 831f94b665dSJohan Hedberg HCI_CONN_DROP, 83289cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 833fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 834158e9218SJakub Pawlowski HCI_CONN_SCANNING, 835160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8361da177e4SLinus Torvalds }; 8371da177e4SLinus Torvalds 838aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 839aa64a8b5SJohan Hedberg { 840aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 841d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 842c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 843aa64a8b5SJohan Hedberg } 844aa64a8b5SJohan Hedberg 845eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 846eb9a8f3fSMarcel Holtmann { 847eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 848d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 849eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 850eb9a8f3fSMarcel Holtmann } 851eb9a8f3fSMarcel Holtmann 8521da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 8531da177e4SLinus Torvalds { 8541da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 855bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 856fcd89c09SVille Tervo switch (c->type) { 857fcd89c09SVille Tervo case ACL_LINK: 8581da177e4SLinus Torvalds h->acl_num++; 859fcd89c09SVille Tervo break; 860bd1eb66bSAndrei Emeltchenko case AMP_LINK: 861bd1eb66bSAndrei Emeltchenko h->amp_num++; 862bd1eb66bSAndrei Emeltchenko break; 863fcd89c09SVille Tervo case LE_LINK: 864fcd89c09SVille Tervo h->le_num++; 865f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 866f8218dc6SJohan Hedberg h->le_num_slave++; 867fcd89c09SVille Tervo break; 868fcd89c09SVille Tervo case SCO_LINK: 869fcd89c09SVille Tervo case ESCO_LINK: 8701da177e4SLinus Torvalds h->sco_num++; 871fcd89c09SVille Tervo break; 872fcd89c09SVille Tervo } 8731da177e4SLinus Torvalds } 8741da177e4SLinus Torvalds 8751da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 8761da177e4SLinus Torvalds { 8771da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 878bf4c6325SGustavo F. Padovan 879bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 880bf4c6325SGustavo F. Padovan synchronize_rcu(); 881bf4c6325SGustavo F. Padovan 882fcd89c09SVille Tervo switch (c->type) { 883fcd89c09SVille Tervo case ACL_LINK: 8841da177e4SLinus Torvalds h->acl_num--; 885fcd89c09SVille Tervo break; 886bd1eb66bSAndrei Emeltchenko case AMP_LINK: 887bd1eb66bSAndrei Emeltchenko h->amp_num--; 888bd1eb66bSAndrei Emeltchenko break; 889fcd89c09SVille Tervo case LE_LINK: 890fcd89c09SVille Tervo h->le_num--; 891f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 892f8218dc6SJohan Hedberg h->le_num_slave--; 893fcd89c09SVille Tervo break; 894fcd89c09SVille Tervo case SCO_LINK: 895fcd89c09SVille Tervo case ESCO_LINK: 8961da177e4SLinus Torvalds h->sco_num--; 897fcd89c09SVille Tervo break; 898fcd89c09SVille Tervo } 8991da177e4SLinus Torvalds } 9001da177e4SLinus Torvalds 90152087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 90252087a79SLuiz Augusto von Dentz { 90352087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 90452087a79SLuiz Augusto von Dentz switch (type) { 90552087a79SLuiz Augusto von Dentz case ACL_LINK: 90652087a79SLuiz Augusto von Dentz return h->acl_num; 907bd1eb66bSAndrei Emeltchenko case AMP_LINK: 908bd1eb66bSAndrei Emeltchenko return h->amp_num; 90952087a79SLuiz Augusto von Dentz case LE_LINK: 91052087a79SLuiz Augusto von Dentz return h->le_num; 91152087a79SLuiz Augusto von Dentz case SCO_LINK: 91252087a79SLuiz Augusto von Dentz case ESCO_LINK: 91352087a79SLuiz Augusto von Dentz return h->sco_num; 91452087a79SLuiz Augusto von Dentz default: 91552087a79SLuiz Augusto von Dentz return 0; 91652087a79SLuiz Augusto von Dentz } 91752087a79SLuiz Augusto von Dentz } 91852087a79SLuiz Augusto von Dentz 919f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 920f4f07505SJohan Hedberg { 921f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 922f4f07505SJohan Hedberg 923f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 924f4f07505SJohan Hedberg } 925f4f07505SJohan Hedberg 926845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 927845472e8SMarcel Holtmann { 928845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 929845472e8SMarcel Holtmann struct hci_conn *c; 930845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 931845472e8SMarcel Holtmann 932845472e8SMarcel Holtmann rcu_read_lock(); 933845472e8SMarcel Holtmann 934845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 935845472e8SMarcel Holtmann if (c->handle == handle) { 936845472e8SMarcel Holtmann type = c->type; 937845472e8SMarcel Holtmann break; 938845472e8SMarcel Holtmann } 939845472e8SMarcel Holtmann } 940845472e8SMarcel Holtmann 941845472e8SMarcel Holtmann rcu_read_unlock(); 942845472e8SMarcel Holtmann 943845472e8SMarcel Holtmann return type; 944845472e8SMarcel Holtmann } 945845472e8SMarcel Holtmann 9461da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9471da177e4SLinus Torvalds __u16 handle) 9481da177e4SLinus Torvalds { 9491da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9501da177e4SLinus Torvalds struct hci_conn *c; 9511da177e4SLinus Torvalds 952bf4c6325SGustavo F. Padovan rcu_read_lock(); 953bf4c6325SGustavo F. Padovan 954bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 955bf4c6325SGustavo F. Padovan if (c->handle == handle) { 956bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9571da177e4SLinus Torvalds return c; 9581da177e4SLinus Torvalds } 959bf4c6325SGustavo F. Padovan } 960bf4c6325SGustavo F. Padovan rcu_read_unlock(); 961bf4c6325SGustavo F. Padovan 9621da177e4SLinus Torvalds return NULL; 9631da177e4SLinus Torvalds } 9641da177e4SLinus Torvalds 9651da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 9661da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 9671da177e4SLinus Torvalds { 9681da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9691da177e4SLinus Torvalds struct hci_conn *c; 9701da177e4SLinus Torvalds 971bf4c6325SGustavo F. Padovan rcu_read_lock(); 972bf4c6325SGustavo F. Padovan 973bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 974bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 975bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9761da177e4SLinus Torvalds return c; 9771da177e4SLinus Torvalds } 978bf4c6325SGustavo F. Padovan } 979bf4c6325SGustavo F. Padovan 980bf4c6325SGustavo F. Padovan rcu_read_unlock(); 981bf4c6325SGustavo F. Padovan 9821da177e4SLinus Torvalds return NULL; 9831da177e4SLinus Torvalds } 9841da177e4SLinus Torvalds 9851b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 9861b51c7b6SJohan Hedberg bdaddr_t *ba, 9871b51c7b6SJohan Hedberg __u8 ba_type) 9881b51c7b6SJohan Hedberg { 9891b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 9901b51c7b6SJohan Hedberg struct hci_conn *c; 9911b51c7b6SJohan Hedberg 9921b51c7b6SJohan Hedberg rcu_read_lock(); 9931b51c7b6SJohan Hedberg 9941b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 9951b51c7b6SJohan Hedberg if (c->type != LE_LINK) 9961b51c7b6SJohan Hedberg continue; 9971b51c7b6SJohan Hedberg 9981b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 9991b51c7b6SJohan Hedberg rcu_read_unlock(); 10001b51c7b6SJohan Hedberg return c; 10011b51c7b6SJohan Hedberg } 10021b51c7b6SJohan Hedberg } 10031b51c7b6SJohan Hedberg 10041b51c7b6SJohan Hedberg rcu_read_unlock(); 10051b51c7b6SJohan Hedberg 10061b51c7b6SJohan Hedberg return NULL; 10071b51c7b6SJohan Hedberg } 10081b51c7b6SJohan Hedberg 10094c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10104c67bc74SMarcel Holtmann __u8 type, __u16 state) 10114c67bc74SMarcel Holtmann { 10124c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10134c67bc74SMarcel Holtmann struct hci_conn *c; 10144c67bc74SMarcel Holtmann 1015bf4c6325SGustavo F. Padovan rcu_read_lock(); 1016bf4c6325SGustavo F. Padovan 1017bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1018bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1019bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10204c67bc74SMarcel Holtmann return c; 10214c67bc74SMarcel Holtmann } 1022bf4c6325SGustavo F. Padovan } 1023bf4c6325SGustavo F. Padovan 1024bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1025bf4c6325SGustavo F. Padovan 10264c67bc74SMarcel Holtmann return NULL; 10274c67bc74SMarcel Holtmann } 10284c67bc74SMarcel Holtmann 1029e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1030e7d9ab73SJakub Pawlowski { 1031e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1032e7d9ab73SJakub Pawlowski struct hci_conn *c; 1033e7d9ab73SJakub Pawlowski 1034e7d9ab73SJakub Pawlowski rcu_read_lock(); 1035e7d9ab73SJakub Pawlowski 1036e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1037e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1038e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1039e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1040e7d9ab73SJakub Pawlowski return c; 1041e7d9ab73SJakub Pawlowski } 1042e7d9ab73SJakub Pawlowski } 1043e7d9ab73SJakub Pawlowski 1044e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1045e7d9ab73SJakub Pawlowski 1046e7d9ab73SJakub Pawlowski return NULL; 1047e7d9ab73SJakub Pawlowski } 1048e7d9ab73SJakub Pawlowski 1049e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 10502dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1051e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 10521da177e4SLinus Torvalds 1053a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1054a5c4e309SJohan Hedberg u8 role); 10551da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 10561da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1057a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 10581da177e4SLinus Torvalds 105973d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 10609472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 10612c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 106242c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 106373d80debSLuiz Augusto von Dentz 1064f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1065f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 106676b13996SManish Mandlik u16 conn_timeout, 106776b13996SManish Mandlik enum conn_reasons conn_reason); 106804a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1069cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 1070082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 107104a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 107276b13996SManish Mandlik u8 sec_level, u8 auth_type, 107376b13996SManish Mandlik enum conn_reasons conn_reason); 107410c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 107510c62ddcSFrédéric Dalleau __u16 setting); 1076e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1077b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1078e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1079e7cafc45SJohan Hedberg bool initiator); 10808c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 10811da177e4SLinus Torvalds 108214b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 10831da177e4SLinus Torvalds 108406c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 108506c053fbSAndre Guedes 10868d12356fSDavid Herrmann /* 10878d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 10888d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 10898d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 10908d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 10918d12356fSDavid Herrmann * other constant data. 10928d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 10938d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 10948d12356fSDavid Herrmann * get dropped, though. 10958d12356fSDavid Herrmann * 10968d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 10978d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 10988d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 10998d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11008d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11018d12356fSDavid Herrmann * hci_conn_add()). 11028d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11038d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11048d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11058d12356fSDavid Herrmann */ 11068d12356fSDavid Herrmann 110751bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11088d12356fSDavid Herrmann { 11098d12356fSDavid Herrmann get_device(&conn->dev); 111051bb8457SJohan Hedberg return conn; 11118d12356fSDavid Herrmann } 11128d12356fSDavid Herrmann 11138d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11148d12356fSDavid Herrmann { 11158d12356fSDavid Herrmann put_device(&conn->dev); 11168d12356fSDavid Herrmann } 11178d12356fSDavid Herrmann 11181da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11191da177e4SLinus Torvalds { 112071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 112138b3fef1SAndrei Emeltchenko 11221da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11232f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11241da177e4SLinus Torvalds } 11251da177e4SLinus Torvalds 112676a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11271da177e4SLinus Torvalds { 112871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 112938b3fef1SAndrei Emeltchenko 11301da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 113104837f64SMarcel Holtmann unsigned long timeo; 1132716e4ab5SAndrei Emeltchenko 1133716e4ab5SAndrei Emeltchenko switch (conn->type) { 1134716e4ab5SAndrei Emeltchenko case ACL_LINK: 1135716e4ab5SAndrei Emeltchenko case LE_LINK: 1136a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11376ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11385f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 113904837f64SMarcel Holtmann if (!conn->out) 1140052b30b0SMarcel Holtmann timeo *= 2; 11415a9d0a3fSWaldemar Rymarkiewicz } else { 1142eb78d7e5SJohan Hedberg timeo = 0; 11435a9d0a3fSWaldemar Rymarkiewicz } 1144716e4ab5SAndrei Emeltchenko break; 1145716e4ab5SAndrei Emeltchenko 1146716e4ab5SAndrei Emeltchenko case AMP_LINK: 1147716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1148716e4ab5SAndrei Emeltchenko break; 1149716e4ab5SAndrei Emeltchenko 1150716e4ab5SAndrei Emeltchenko default: 1151eb78d7e5SJohan Hedberg timeo = 0; 1152716e4ab5SAndrei Emeltchenko break; 11535a9d0a3fSWaldemar Rymarkiewicz } 1154716e4ab5SAndrei Emeltchenko 11552f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 115619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 11571931782bSVinicius Costa Gomes &conn->disc_work, timeo); 11581da177e4SLinus Torvalds } 11591da177e4SLinus Torvalds } 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1162dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 11631da177e4SLinus Torvalds { 1164376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11652c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1166376261aeSAndrei Emeltchenko 11674c724c71SDavid Herrmann put_device(&d->dev); 1168010666a1SDavid Herrmann } 11691da177e4SLinus Torvalds 1170dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 11711da177e4SLinus Torvalds { 1172376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11732c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1174376261aeSAndrei Emeltchenko 11754c724c71SDavid Herrmann get_device(&d->dev); 11761da177e4SLinus Torvalds return d; 11771da177e4SLinus Torvalds } 11781da177e4SLinus Torvalds 117909fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 118009fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 11811da177e4SLinus Torvalds 1182aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 11833dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1184aa2b86d7SDavid Herrmann 1185155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1186155961e8SDavid Herrmann { 1187155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1188155961e8SDavid Herrmann } 1189155961e8SDavid Herrmann 1190155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1191155961e8SDavid Herrmann { 1192155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1193155961e8SDavid Herrmann } 1194155961e8SDavid Herrmann 11951da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 119639385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 11991da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12001da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 120159735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 12021da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12031da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 120475e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1205f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1206f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12071aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12081aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1209145373cbSMiao-chen Chou 1210145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1211145373cbSMiao-chen Chou { 1212145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1213145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1214145373cbSMiao-chen Chou #endif 1215145373cbSMiao-chen Chou } 1216145373cbSMiao-chen Chou 12171da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12181da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12196b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12201da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12211da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12221da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12231da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12241da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12251da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12261da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 122740be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 12281da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 12291da177e4SLinus Torvalds 1230dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1231b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1232b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1233b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1234b950aa88SAnkit Navik u8 type); 12358baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 12368baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12378baaa403SAbhishek Pandit-Subedi u8 type); 1238dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1239b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1240b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 12418baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12428baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1243dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1244b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1245b950aa88SAnkit Navik u8 type); 12468baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12478baaa403SAbhishek Pandit-Subedi u8 type); 1248dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1249d2ab0ac1SMarcel Holtmann 125015819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 125115819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 125251d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 125351d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 125415819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 125555af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 125615819a70SAndre Guedes 1257501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1258501f8827SJohan Hedberg bdaddr_t *addr, 1259501f8827SJohan Hedberg u8 addr_type); 126077a77a30SAndre Guedes 126135f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 12622aeb9a1aSJohan Hedberg 126335f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 126455ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1265567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 12667652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 12677652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1268ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 126935d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1270fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1271f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1272e804d25dSJohan Hedberg u8 addr_type, u8 role); 1273e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 127435f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 127555ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 127655ed8ca1SJohan Hedberg 1277970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1278970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1279970c4e46SJohan Hedberg u8 addr_type); 1280ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1281ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1282a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1283600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1284600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1285970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1286970c4e46SJohan Hedberg 128755e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 128855e76b38SJohan Hedberg 128935f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 12902763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 12916928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 12920798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12936928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 129438da1703SJohan Hedberg u8 *hash256, u8 *rand256); 12956928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12966928a924SJohan Hedberg u8 bdaddr_type); 12972763eda6SSzymon Janc 1298d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1299d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1300d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1301d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1302d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1303d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1304d2609b34SFlorian Grandel u16 timeout, u16 duration); 1305*31aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 1306*31aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 1307*31aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1308d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1309a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1310d2609b34SFlorian Grandel 1311e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 1312b139553dSMiao-chen Chou void hci_free_adv_monitor(struct adv_monitor *monitor); 1313b139553dSMiao-chen Chou int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1314bd2fbc6cSMiao-chen Chou int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle); 13158208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1316e5e1e7fdSMiao-chen Chou 13171da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13181da177e4SLinus Torvalds 13190ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1320a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1321b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1322b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 13231da177e4SLinus Torvalds 13246935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1327cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1328cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1329cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1330cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1331cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1332cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1333cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1334cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1335cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1336cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1337cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1338cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1339cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1340cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1341cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1342cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1343cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1344cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 134507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 13465075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 13475075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 13485075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 13495075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 13501da177e4SLinus Torvalds 1351eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 135253b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 135353b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 135453b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 135553b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1356d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1357d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 135853b834d2SMarcel Holtmann 135953b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1360cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1361d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1362cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1363cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1364eead27daSAndre Guedes 1365d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1366d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 136705b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1368d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1369432df05eSJohan Hedberg 137045bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 137145bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 137245bdd86eSJaganath Kanakkassery 137345bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 137445bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 137545bdd86eSJaganath Kanakkassery 137645bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 137745bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 137845bdd86eSJaganath Kanakkassery 1379e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1380e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1381e1d57235SMarcel Holtmann 1382a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1383a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1384a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 13854d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 13864d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1387a2344b9eSJaganath Kanakkassery 13886b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 13896b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 13906b49bcb4SJaganath Kanakkassery 13911da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 139220714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 139320714bfeSFrédéric Dalleau 13945a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 139520714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 13961da177e4SLinus Torvalds { 1397686ebf28SUlisses Furquim switch (type) { 1398686ebf28SUlisses Furquim case ACL_LINK: 1399686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 14001da177e4SLinus Torvalds 1401686ebf28SUlisses Furquim case SCO_LINK: 1402686ebf28SUlisses Furquim case ESCO_LINK: 140320714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14041da177e4SLinus Torvalds 1405686ebf28SUlisses Furquim default: 1406686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1407686ebf28SUlisses Furquim return -EINVAL; 1408686ebf28SUlisses Furquim } 14091da177e4SLinus Torvalds } 14101da177e4SLinus Torvalds 14112950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 14122950f21aSMarcel Holtmann { 1413686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1414686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 14152950f21aSMarcel Holtmann 1416686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 14172950f21aSMarcel Holtmann } 14182950f21aSMarcel Holtmann 14191da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 14201da177e4SLinus Torvalds struct hci_cb { 14211da177e4SLinus Torvalds struct list_head list; 14221da177e4SLinus Torvalds 14231da177e4SLinus Torvalds char *name; 14241da177e4SLinus Torvalds 1425539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 14263a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 14275a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 14285a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 14291da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 14301da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 14311da177e4SLinus Torvalds }; 14321da177e4SLinus Torvalds 1433539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1434539c496dSJohan Hedberg { 1435539c496dSJohan Hedberg struct hci_cb *cb; 1436539c496dSJohan Hedberg 1437539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1438539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1439539c496dSJohan Hedberg if (cb->connect_cfm) 1440539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1441539c496dSJohan Hedberg } 1442539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1443539c496dSJohan Hedberg 1444539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1445539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1446539c496dSJohan Hedberg } 1447539c496dSJohan Hedberg 14483a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 14493a6d576bSJohan Hedberg { 14503a6d576bSJohan Hedberg struct hci_cb *cb; 14513a6d576bSJohan Hedberg 14523a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 14533a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 14543a6d576bSJohan Hedberg if (cb->disconn_cfm) 14553a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 14563a6d576bSJohan Hedberg } 14573a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 14583a6d576bSJohan Hedberg 14593a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 14603a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 14613a6d576bSJohan Hedberg } 14623a6d576bSJohan Hedberg 14631da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 14641da177e4SLinus Torvalds { 1465711584eaSDenis Kirjanov struct hci_cb *cb; 14668c1b2355SMarcel Holtmann __u8 encrypt; 14671da177e4SLinus Torvalds 146851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 14698c1b2355SMarcel Holtmann return; 14708c1b2355SMarcel Holtmann 14714dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 14728c1b2355SMarcel Holtmann 1473fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1474711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 14758c1b2355SMarcel Holtmann if (cb->security_cfm) 14768c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 14771da177e4SLinus Torvalds } 1478fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1479354fe804SJohan Hedberg 1480354fe804SJohan Hedberg if (conn->security_cfm_cb) 1481354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 14821da177e4SLinus Torvalds } 14831da177e4SLinus Torvalds 14843ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 14851da177e4SLinus Torvalds { 1486711584eaSDenis Kirjanov struct hci_cb *cb; 14873ca44c16SLuiz Augusto von Dentz __u8 encrypt; 14883ca44c16SLuiz Augusto von Dentz 14893ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1490339ddaa6SPatrick Steinhardt if (!status) 14913ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 14923ca44c16SLuiz Augusto von Dentz 14933ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 14943ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 14953ca44c16SLuiz Augusto von Dentz return; 14963ca44c16SLuiz Augusto von Dentz } 14973ca44c16SLuiz Augusto von Dentz 14983ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 14993ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 15003ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 15013ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 15023ca44c16SLuiz Augusto von Dentz else 15033ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15041da177e4SLinus Torvalds 15058746f135SLuiz Augusto von Dentz if (!status) { 1506435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1507435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1508435fef20SMarcel Holtmann 150988167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 151088167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15118746f135SLuiz Augusto von Dentz } 151288167aedSVinicius Costa Gomes 1513fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1514711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15158c1b2355SMarcel Holtmann if (cb->security_cfm) 15168c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15171da177e4SLinus Torvalds } 1518fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1519354fe804SJohan Hedberg 1520354fe804SJohan Hedberg if (conn->security_cfm_cb) 1521354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15221da177e4SLinus Torvalds } 15231da177e4SLinus Torvalds 15241da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 15251da177e4SLinus Torvalds { 1526711584eaSDenis Kirjanov struct hci_cb *cb; 15271da177e4SLinus Torvalds 1528fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1529711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15301da177e4SLinus Torvalds if (cb->key_change_cfm) 15311da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 15321da177e4SLinus Torvalds } 1533fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15341da177e4SLinus Torvalds } 15351da177e4SLinus Torvalds 15365a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 15375a9d0a3fSWaldemar Rymarkiewicz __u8 role) 15381da177e4SLinus Torvalds { 1539711584eaSDenis Kirjanov struct hci_cb *cb; 15401da177e4SLinus Torvalds 1541fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1542711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15431da177e4SLinus Torvalds if (cb->role_switch_cfm) 15441da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 15451da177e4SLinus Torvalds } 1546fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15471da177e4SLinus Torvalds } 15481da177e4SLinus Torvalds 15490d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 15500d3b7f64SJohan Hedberg size_t *data_len) 15516759a675SJohan Hedberg { 155284d9d071SJohan Hedberg size_t parsed = 0; 15536759a675SJohan Hedberg 15540d3b7f64SJohan Hedberg if (eir_len < 2) 15550d3b7f64SJohan Hedberg return NULL; 15566c0c331eSJohan Hedberg 15570d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 15580d3b7f64SJohan Hedberg u8 field_len = eir[0]; 15596759a675SJohan Hedberg 15606759a675SJohan Hedberg if (field_len == 0) 15616759a675SJohan Hedberg break; 15626759a675SJohan Hedberg 15636759a675SJohan Hedberg parsed += field_len + 1; 15646759a675SJohan Hedberg 15650d3b7f64SJohan Hedberg if (parsed > eir_len) 15666759a675SJohan Hedberg break; 15676759a675SJohan Hedberg 15680d3b7f64SJohan Hedberg if (eir[1] != type) { 15690d3b7f64SJohan Hedberg eir += field_len + 1; 15700d3b7f64SJohan Hedberg continue; 15716759a675SJohan Hedberg } 15726759a675SJohan Hedberg 15730d3b7f64SJohan Hedberg /* Zero length data */ 15740d3b7f64SJohan Hedberg if (field_len == 1) 15750d3b7f64SJohan Hedberg return NULL; 15760d3b7f64SJohan Hedberg 15770d3b7f64SJohan Hedberg if (data_len) 15780d3b7f64SJohan Hedberg *data_len = field_len - 1; 15790d3b7f64SJohan Hedberg 15800d3b7f64SJohan Hedberg return &eir[2]; 15810d3b7f64SJohan Hedberg } 15820d3b7f64SJohan Hedberg 15830d3b7f64SJohan Hedberg return NULL; 15846759a675SJohan Hedberg } 15856759a675SJohan Hedberg 1586301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1587301cb2d8SJohan Hedberg { 1588dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1589301cb2d8SJohan Hedberg return false; 1590301cb2d8SJohan Hedberg 1591301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1592301cb2d8SJohan Hedberg return true; 1593301cb2d8SJohan Hedberg 1594301cb2d8SJohan Hedberg return false; 1595301cb2d8SJohan Hedberg } 1596301cb2d8SJohan Hedberg 1597c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1598c46245b3SJohan Hedberg { 1599c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1600c46245b3SJohan Hedberg return true; 1601c46245b3SJohan Hedberg 1602c46245b3SJohan Hedberg /* Check for Random Static address type */ 1603c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1604c46245b3SJohan Hedberg return true; 1605c46245b3SJohan Hedberg 1606c46245b3SJohan Hedberg return false; 1607c46245b3SJohan Hedberg } 1608c46245b3SJohan Hedberg 16092426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16102426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16112426f3a5SJohan Hedberg { 16122426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16132426f3a5SJohan Hedberg return NULL; 16142426f3a5SJohan Hedberg 16152426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16162426f3a5SJohan Hedberg } 16172426f3a5SJohan Hedberg 1618d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1619d4905f24SAndre Guedes u16 to_multiplier) 1620d4905f24SAndre Guedes { 1621d4905f24SAndre Guedes u16 max_latency; 1622d4905f24SAndre Guedes 1623d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1624d4905f24SAndre Guedes return -EINVAL; 1625d4905f24SAndre Guedes 1626d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1627d4905f24SAndre Guedes return -EINVAL; 1628d4905f24SAndre Guedes 1629d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1630d4905f24SAndre Guedes return -EINVAL; 1631d4905f24SAndre Guedes 16328757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1633d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1634d4905f24SAndre Guedes return -EINVAL; 1635d4905f24SAndre Guedes 1636d4905f24SAndre Guedes return 0; 1637d4905f24SAndre Guedes } 1638d4905f24SAndre Guedes 16391da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 16401da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 16411da177e4SLinus Torvalds 164275e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 164307dc93ddSJohan Hedberg const void *param, u32 timeout); 16447b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 164507dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1646d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1647d6ee6ad7SLoic Poulain const void *param); 164875e84b7cSJohan Hedberg 164907dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 165007dc93ddSJohan Hedberg const void *param); 165173d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 16520d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 16531da177e4SLinus Torvalds 1654a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 16551da177e4SLinus Torvalds 1656fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1657fbef168fSLoic Poulain const void *param, u32 timeout); 1658fbef168fSLoic Poulain 1659eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1660eab2404bSLuiz Augusto von Dentz 16611da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1662470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 16637129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1664c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1665cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 166638ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 166738ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 166838ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 16691da177e4SLinus Torvalds 1670040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1671040030efSMarcel Holtmann 1672a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1673a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1674a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1675a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1676d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1677b9a245fbSJohan Hedberg 1678801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1679801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1680801c1e8dSJohan Hedberg u16 data_len); 1681801c1e8dSJohan Hedberg size_t data_len; 1682b9a245fbSJohan Hedberg unsigned long flags; 1683801c1e8dSJohan Hedberg }; 1684801c1e8dSJohan Hedberg 1685801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1686801c1e8dSJohan Hedberg struct list_head list; 1687801c1e8dSJohan Hedberg unsigned short channel; 1688801c1e8dSJohan Hedberg size_t handler_count; 1689801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 169088b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1691801c1e8dSJohan Hedberg }; 1692801c1e8dSJohan Hedberg 1693801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1694801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1695801c1e8dSJohan Hedberg 16960381101fSJohan Hedberg /* Management interface */ 1697591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1698591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1699591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1700591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1701591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1702591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1703f39799f5SAndre Guedes 17040d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17050d8cc935SAndre Guedes * Discovery Procedure specification. 17060d8cc935SAndre Guedes */ 17070d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17080d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17093d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1710ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17110d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17120d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17134b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1714ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ 1715ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ 17160d8cc935SAndre Guedes 171703c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 171891a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1719bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1720bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17213eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17222ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17232ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1724dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1725745c0ce3SVishal Agarwal bool persistent); 172648ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 172748ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 17289b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 172912d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 173012d4a3b2SJohan Hedberg bool mgmt_connected); 17317892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 173288c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1733445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 173448264f06SJohan Hedberg u8 addr_type, u8 status); 1735ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1736e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1737c35938b2SSzymon Janc u8 status); 17383eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1739744cf19eSJohan Hedberg u8 status); 1740744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 174139adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1742272d90dfSJohan Hedberg u8 confirm_hint); 1743744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1744272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1745272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1746272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1747272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1748272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1749604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1750272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1751272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1752272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 175392a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 175492a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 175592a25256SJohan Hedberg u8 entered); 1756e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1757464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 17583e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 17594e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 17607f9a903cSMarcel Holtmann u8 status); 17617667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1762e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 17632154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1764901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1765af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1766af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 17679cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1768b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 17692f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1770346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1771346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1772346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 177384c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 177453ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1775cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 177653ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 177753ac6ab6SMarcel Holtmann bool persistent); 1778ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1779f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1780f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1781f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1782f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 178353c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1784aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1785f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1786f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1787f2252570SJohan Hedberg u8 instance); 1788f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1789f2252570SJohan Hedberg u8 instance); 1790b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1791346af67bSVinicius Costa Gomes 17927d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 17937d6ca693SJohan Hedberg u16 to_multiplier); 1794fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 17958b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 17962519a1fcSAndre Guedes 1797a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1798a1f4c318SJohan Hedberg u8 *bdaddr_type); 1799ebd3a747SJohan Hedberg 18005d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18015d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18025d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18035d4d62f6SFrédéric Dalleau 18041da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1805