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; 364*c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 365*c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 366f332ec66SJohan Hedberg 3672b9be137SMarcel Holtmann __u16 devid_source; 3682b9be137SMarcel Holtmann __u16 devid_vendor; 3692b9be137SMarcel Holtmann __u16 devid_product; 3702b9be137SMarcel Holtmann __u16 devid_version; 3711da177e4SLinus Torvalds 37210873f99SAlain Michaud __u8 def_page_scan_type; 37310873f99SAlain Michaud __u16 def_page_scan_int; 37410873f99SAlain Michaud __u16 def_page_scan_window; 37510873f99SAlain Michaud __u8 def_inq_scan_type; 37610873f99SAlain Michaud __u16 def_inq_scan_int; 37710873f99SAlain Michaud __u16 def_inq_scan_window; 37810873f99SAlain Michaud __u16 def_br_lsto; 37910873f99SAlain Michaud __u16 def_page_timeout; 38010873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 38149b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 38210873f99SAlain Michaud 3831da177e4SLinus Torvalds __u16 pkt_type; 3845b7f9909SMarcel Holtmann __u16 esco_type; 3851da177e4SLinus Torvalds __u16 link_policy; 3861da177e4SLinus Torvalds __u16 link_mode; 3871da177e4SLinus Torvalds 38804837f64SMarcel Holtmann __u32 idle_timeout; 38904837f64SMarcel Holtmann __u16 sniff_min_interval; 39004837f64SMarcel Holtmann __u16 sniff_max_interval; 39104837f64SMarcel Holtmann 392928abaa7SAndrei Emeltchenko __u8 amp_status; 393928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 394928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 395928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 396928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 397928abaa7SAndrei Emeltchenko __u8 amp_type; 398928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 399928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 400928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 401928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 402928abaa7SAndrei Emeltchenko 403903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 404903e4541SAndrei Emeltchenko 4051e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4061e89cffbSAndrei Emeltchenko 4079f61656aSJohan Hedberg unsigned int auto_accept_delay; 4089f61656aSJohan Hedberg 4091da177e4SLinus Torvalds unsigned long quirks; 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds atomic_t cmd_cnt; 4121da177e4SLinus Torvalds unsigned int acl_cnt; 4131da177e4SLinus Torvalds unsigned int sco_cnt; 4146ed58ec5SVille Tervo unsigned int le_cnt; 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds unsigned int acl_mtu; 4171da177e4SLinus Torvalds unsigned int sco_mtu; 4186ed58ec5SVille Tervo unsigned int le_mtu; 4191da177e4SLinus Torvalds unsigned int acl_pkts; 4201da177e4SLinus Torvalds unsigned int sco_pkts; 4216ed58ec5SVille Tervo unsigned int le_pkts; 4221da177e4SLinus Torvalds 423350ee4cfSAndrei Emeltchenko __u16 block_len; 424350ee4cfSAndrei Emeltchenko __u16 block_mtu; 425350ee4cfSAndrei Emeltchenko __u16 num_blocks; 426350ee4cfSAndrei Emeltchenko __u16 block_cnt; 427350ee4cfSAndrei Emeltchenko 4281da177e4SLinus Torvalds unsigned long acl_last_tx; 4291da177e4SLinus Torvalds unsigned long sco_last_tx; 4306ed58ec5SVille Tervo unsigned long le_last_tx; 4311da177e4SLinus Torvalds 4326decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4336decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4346decb5b4SJaganath Kanakkassery 435f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4366ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 437f48fd9c8SMarcel Holtmann 438ab81cbf9SJohan Hedberg struct work_struct power_on; 4393243553fSJohan Hedberg struct delayed_work power_off; 440c7741d16SMarcel Holtmann struct work_struct error_reset; 441ab81cbf9SJohan Hedberg 44216ab91abSJohan Hedberg __u16 discov_timeout; 44316ab91abSJohan Hedberg struct delayed_work discov_off; 44416ab91abSJohan Hedberg 4457d78525dSJohan Hedberg struct delayed_work service_cache; 4467d78525dSJohan Hedberg 44765cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 448b78752ccSMarcel Holtmann 449b78752ccSMarcel Holtmann struct work_struct rx_work; 450c347b765SGustavo F. Padovan struct work_struct cmd_work; 4513eff45eaSGustavo F. Padovan struct work_struct tx_work; 4521da177e4SLinus Torvalds 453e68f072bSJohan Hedberg struct work_struct discov_update; 4542e93e53bSJohan Hedberg struct work_struct bg_scan_update; 45501b1cb87SJohan Hedberg struct work_struct scan_update; 45653c0ba74SJohan Hedberg struct work_struct connectable_update; 457aed1a885SJohan Hedberg struct work_struct discoverable_update; 4587c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4597c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4602e93e53bSJohan Hedberg 4611da177e4SLinus Torvalds struct sk_buff_head rx_q; 4621da177e4SLinus Torvalds struct sk_buff_head raw_q; 4631da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4661da177e4SLinus Torvalds 467a6a67efdSThomas Gleixner struct mutex req_lock; 4681da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4691da177e4SLinus Torvalds __u32 req_status; 4701da177e4SLinus Torvalds __u32 req_result; 471f60cb305SJohan Hedberg struct sk_buff *req_skb; 472a5040efaSJohan Hedberg 47370db83c4SJohan Hedberg void *smp_data; 474ef8efe4bSJohan Hedberg void *smp_bredr_data; 4752e58ef3eSJohan Hedberg 47630883512SJohan Hedberg struct discovery_state discovery; 4779952d90eSAbhishek Pandit-Subedi 4784867bd00SAbhishek Pandit-Subedi int discovery_old_state; 4794867bd00SAbhishek Pandit-Subedi bool discovery_paused; 4804867bd00SAbhishek Pandit-Subedi int advertising_old_state; 4814867bd00SAbhishek Pandit-Subedi bool advertising_paused; 4824867bd00SAbhishek Pandit-Subedi 4839952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 4849952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 4859952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 4869952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 4874f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 4884f40afc6SAbhishek Pandit-Subedi bool suspended; 4892f20216cSAbhishek Pandit-Subedi u8 wake_reason; 4902f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 4912f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 4929952d90eSAbhishek Pandit-Subedi 4939952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 4949952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 4959952d90eSAbhishek Pandit-Subedi 4961da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 4975c136e90SAndre Guedes 4985c136e90SAndre Guedes struct list_head mgmt_pending; 499ea4bd8baSDavid Miller struct list_head blacklist; 5006659358eSJohan Hedberg struct list_head whitelist; 5012aeb9a1aSJohan Hedberg struct list_head uuids; 50255ed8ca1SJohan Hedberg struct list_head link_keys; 503b899efafSVinicius Costa Gomes struct list_head long_term_keys; 504970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5052763eda6SSzymon Janc struct list_head remote_oob_data; 506d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 507cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 50815819a70SAndre Guedes struct list_head le_conn_params; 50977a77a30SAndre Guedes struct list_head pend_le_conns; 51066f8455aSJohan Hedberg struct list_head pend_le_reports; 511600a8749SAlain Michaud struct list_head blocked_keys; 5122763eda6SSzymon Janc 5131da177e4SLinus Torvalds struct hci_dev_stats stat; 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds atomic_t promisc; 5161da177e4SLinus Torvalds 5175177a838SMarcel Holtmann const char *hw_info; 5185177a838SMarcel Holtmann const char *fw_info; 519ca325f69SMarcel Holtmann struct dentry *debugfs; 520ca325f69SMarcel Holtmann 521a91f2e39SMarcel Holtmann struct device dev; 5221da177e4SLinus Torvalds 523611b30f7SMarcel Holtmann struct rfkill *rfkill; 524611b30f7SMarcel Holtmann 525eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 526d23264a8SAndre Guedes 5278fa19098SJohan Hedberg __s8 adv_tx_power; 5283f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 5293f0f524bSJohan Hedberg __u8 adv_data_len; 530f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 531f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5328fa19098SJohan Hedberg 533d2609b34SFlorian Grandel struct list_head adv_instances; 534d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 535d2609b34SFlorian Grandel __u8 cur_adv_instance; 5365d900e46SFlorian Grandel __u16 adv_instance_timeout; 5375d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 538203fea01SArman Uguray 539e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 540e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 541e5e1e7fdSMiao-chen Chou 542863efaf2SJohan Hedberg __u8 irk[16]; 543d6bfd59cSJohan Hedberg __u32 rpa_timeout; 544d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5452b5224dcSMarcel Holtmann bdaddr_t rpa; 546863efaf2SJohan Hedberg 547*c4f1f408SHoward Chung enum { 548*c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 549*c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 550*c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 551*c4f1f408SHoward Chung } interleave_scan_state; 552*c4f1f408SHoward Chung 553*c4f1f408SHoward Chung struct delayed_work interleave_scan; 554*c4f1f408SHoward Chung 55553f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5566d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 55753f863a6SMarcel Holtmann #endif 5586d5d2ee6SHeiner Kallweit 559145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 560145373cbSMiao-chen Chou __u16 msft_opcode; 561145373cbSMiao-chen Chou void *msft_data; 562145373cbSMiao-chen Chou #endif 563145373cbSMiao-chen Chou 5641da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 5651da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 5661da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 567f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 568a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 5697bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 5701da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 571c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 57298a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 5734b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 57424c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 575e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 57681dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 5771da177e4SLinus Torvalds }; 5781da177e4SLinus Torvalds 57953502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 58053502d69SAndrei Emeltchenko 58176b13996SManish Mandlik enum conn_reasons { 58276b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 58376b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 58476b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 58576b13996SManish Mandlik }; 58676b13996SManish Mandlik 5871da177e4SLinus Torvalds struct hci_conn { 5881da177e4SLinus Torvalds struct list_head list; 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds atomic_t refcnt; 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds bdaddr_t dst; 59329b7988aSAndre Guedes __u8 dst_type; 594662e8820SMarcel Holtmann bdaddr_t src; 595e7c4096eSMarcel Holtmann __u8 src_type; 596cb1d68f7SJohan Hedberg bdaddr_t init_addr; 597cb1d68f7SJohan Hedberg __u8 init_addr_type; 598cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 599cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6001da177e4SLinus Torvalds __u16 handle; 6011da177e4SLinus Torvalds __u16 state; 60204837f64SMarcel Holtmann __u8 mode; 6031da177e4SLinus Torvalds __u8 type; 60440bef302SJohan Hedberg __u8 role; 605a0c808b3SJohan Hedberg bool out; 6064c67bc74SMarcel Holtmann __u8 attempt; 6071da177e4SLinus Torvalds __u8 dev_class[3]; 608cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 609a8746417SMarcel Holtmann __u16 pkt_type; 61004837f64SMarcel Holtmann __u16 link_policy; 61113d39315SWaldemar Rymarkiewicz __u8 key_type; 61240be492fSMarcel Holtmann __u8 auth_type; 6138c1b2355SMarcel Holtmann __u8 sec_level; 614765c2a96SJohan Hedberg __u8 pending_sec_level; 615980e1a53SJohan Hedberg __u8 pin_length; 616726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 61717fa4b9dSJohan Hedberg __u8 io_capability; 61892a25256SJohan Hedberg __u32 passkey_notify; 61992a25256SJohan Hedberg __u8 passkey_entered; 620052b30b0SMarcel Holtmann __u16 disc_timeout; 62109ae260bSJohan Hedberg __u16 conn_timeout; 62210c62ddcSFrédéric Dalleau __u16 setting; 623302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6241e406eefSAndre Guedes __u16 le_conn_min_interval; 6251e406eefSAndre Guedes __u16 le_conn_max_interval; 626e04fde60SMarcel Holtmann __u16 le_conn_interval; 627e04fde60SMarcel Holtmann __u16 le_conn_latency; 628e04fde60SMarcel Holtmann __u16 le_supv_timeout; 629fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 630fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6311efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6321efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6335ae76a94SAndrzej Kaczmarek __s8 rssi; 6345a134faeSAndrzej Kaczmarek __s8 tx_power; 635d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 63651a8efd7SJohan Hedberg unsigned long flags; 6371da177e4SLinus Torvalds 63876b13996SManish Mandlik enum conn_reasons conn_reason; 63976b13996SManish Mandlik 64033f35721SJohan Hedberg __u32 clock; 64133f35721SJohan Hedberg __u16 clock_accuracy; 64233f35721SJohan Hedberg 643dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 644dd983808SAndrzej Kaczmarek 64503b555e1SJohan Hedberg __u8 remote_cap; 64603b555e1SJohan Hedberg __u8 remote_auth; 6473161ae1cSAndrei Emeltchenko __u8 remote_id; 64803b555e1SJohan Hedberg 6491da177e4SLinus Torvalds unsigned int sent; 6501da177e4SLinus Torvalds 6511da177e4SLinus Torvalds struct sk_buff_head data_q; 6522c33c06aSGustavo F. Padovan struct list_head chan_list; 6531da177e4SLinus Torvalds 65419c40e3bSGustavo F. Padovan struct delayed_work disc_work; 6557bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 656a74a84f6SJohan Hedberg struct delayed_work idle_work; 6579489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 6588ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 6591da177e4SLinus Torvalds 660b219e3acSMarcel Holtmann struct device dev; 66123b9ceb7SMarcel Holtmann struct dentry *debugfs; 662b219e3acSMarcel Holtmann 6631da177e4SLinus Torvalds struct hci_dev *hdev; 6641da177e4SLinus Torvalds void *l2cap_data; 6651da177e4SLinus Torvalds void *sco_data; 6669740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds struct hci_conn *link; 669e9a416b5SJohan Hedberg 670e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 671e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 672e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 6731da177e4SLinus Torvalds }; 6741da177e4SLinus Torvalds 67573d80debSLuiz Augusto von Dentz struct hci_chan { 67673d80debSLuiz Augusto von Dentz struct list_head list; 67742c4e53eSAndrei Emeltchenko __u16 handle; 67873d80debSLuiz Augusto von Dentz struct hci_conn *conn; 67973d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 68073d80debSLuiz Augusto von Dentz unsigned int sent; 681168df8e5SMat Martineau __u8 state; 68273d80debSLuiz Augusto von Dentz }; 68373d80debSLuiz Augusto von Dentz 68415819a70SAndre Guedes struct hci_conn_params { 68515819a70SAndre Guedes struct list_head list; 68693450c75SJohan Hedberg struct list_head action; 68715819a70SAndre Guedes 68815819a70SAndre Guedes bdaddr_t addr; 68915819a70SAndre Guedes u8 addr_type; 69015819a70SAndre Guedes 69115819a70SAndre Guedes u16 conn_min_interval; 69215819a70SAndre Guedes u16 conn_max_interval; 693f044eb05SMarcel Holtmann u16 conn_latency; 694f044eb05SMarcel Holtmann u16 supervision_timeout; 6959fcb18efSAndre Guedes 6969fcb18efSAndre Guedes enum { 6979fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 698a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 6994b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7009fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7019fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 702158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7039fcb18efSAndre Guedes } auto_connect; 704f161dd41SJohan Hedberg 705f161dd41SJohan Hedberg struct hci_conn *conn; 706158e9218SJakub Pawlowski bool explicit_connect; 707a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 70815819a70SAndre Guedes }; 70915819a70SAndre Guedes 7101da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7111da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7121da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 713fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7141da177e4SLinus Torvalds 715eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 716eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 717eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 718eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 719eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 720eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 721eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 722d7a5a11dSMarcel Holtmann 723eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 724eacb44dfSMarcel Holtmann do { \ 725eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 726eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7272eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 728eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 729eacb44dfSMarcel Holtmann } while (0) 730516018a9SMarcel Holtmann 731686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 732e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 733e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7349b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 735686ebf28SUlisses Furquim 736ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 737e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7389b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 739ff50e8afSArron Wang #else 740ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 741ff50e8afSArron Wang __u8 *flags) 742ff50e8afSArron Wang { 743ff50e8afSArron Wang return 0; 744ff50e8afSArron Wang } 745ff50e8afSArron Wang 746ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 747ff50e8afSArron Wang { 748ff50e8afSArron Wang } 749ff50e8afSArron Wang #endif 750686ebf28SUlisses Furquim 7511da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 75270f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 75370f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 7541da177e4SLinus Torvalds 75530883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 7561da177e4SLinus Torvalds { 757ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 75830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 75930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 76030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 761da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 76237eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 7631da177e4SLinus Torvalds } 7641da177e4SLinus Torvalds 7650256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 7660256325eSMarcel Holtmann { 76782f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 768da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 7690256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 7700256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 7710256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 7720256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 7732d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 7742d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 7750256325eSMarcel Holtmann } 7760256325eSMarcel Holtmann 77730dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 77830dc78e1SJohan Hedberg 779ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 780ff9ef578SJohan Hedberg 7811da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 7821da177e4SLinus Torvalds { 78330883512SJohan Hedberg return list_empty(&hdev->discovery.all); 7841da177e4SLinus Torvalds } 7851da177e4SLinus Torvalds 7861da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 7871da177e4SLinus Torvalds { 78830883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 7891da177e4SLinus Torvalds return jiffies - c->timestamp; 7901da177e4SLinus Torvalds } 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 7931da177e4SLinus Torvalds { 7941da177e4SLinus Torvalds return jiffies - e->timestamp; 7951da177e4SLinus Torvalds } 7961da177e4SLinus Torvalds 7975a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 7985a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 799561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 800561aafbcSJohan Hedberg bdaddr_t *bdaddr); 80130dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 80230dc78e1SJohan Hedberg bdaddr_t *bdaddr, 80330dc78e1SJohan Hedberg int state); 804a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 805a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 806af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 807af58925cSMarcel Holtmann bool name_known); 8081f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8111da177e4SLinus Torvalds enum { 8121da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 81319f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8141da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 81504837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 81604837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 817e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 818b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 81958a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 820eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 821abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 82258a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 823af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8244dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8254dae2798SJohan Hedberg HCI_CONN_AUTH, 8264dae2798SJohan Hedberg HCI_CONN_SECURE, 8274dae2798SJohan Hedberg HCI_CONN_FIPS, 828fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 829977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 830f94b665dSJohan Hedberg HCI_CONN_DROP, 83189cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 832fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 833158e9218SJakub Pawlowski HCI_CONN_SCANNING, 834160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8351da177e4SLinus Torvalds }; 8361da177e4SLinus Torvalds 837aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 838aa64a8b5SJohan Hedberg { 839aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 840d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 841c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 842aa64a8b5SJohan Hedberg } 843aa64a8b5SJohan Hedberg 844eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 845eb9a8f3fSMarcel Holtmann { 846eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 847d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 848eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 849eb9a8f3fSMarcel Holtmann } 850eb9a8f3fSMarcel Holtmann 8511da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 8521da177e4SLinus Torvalds { 8531da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 854bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 855fcd89c09SVille Tervo switch (c->type) { 856fcd89c09SVille Tervo case ACL_LINK: 8571da177e4SLinus Torvalds h->acl_num++; 858fcd89c09SVille Tervo break; 859bd1eb66bSAndrei Emeltchenko case AMP_LINK: 860bd1eb66bSAndrei Emeltchenko h->amp_num++; 861bd1eb66bSAndrei Emeltchenko break; 862fcd89c09SVille Tervo case LE_LINK: 863fcd89c09SVille Tervo h->le_num++; 864f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 865f8218dc6SJohan Hedberg h->le_num_slave++; 866fcd89c09SVille Tervo break; 867fcd89c09SVille Tervo case SCO_LINK: 868fcd89c09SVille Tervo case ESCO_LINK: 8691da177e4SLinus Torvalds h->sco_num++; 870fcd89c09SVille Tervo break; 871fcd89c09SVille Tervo } 8721da177e4SLinus Torvalds } 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 8751da177e4SLinus Torvalds { 8761da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 877bf4c6325SGustavo F. Padovan 878bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 879bf4c6325SGustavo F. Padovan synchronize_rcu(); 880bf4c6325SGustavo F. Padovan 881fcd89c09SVille Tervo switch (c->type) { 882fcd89c09SVille Tervo case ACL_LINK: 8831da177e4SLinus Torvalds h->acl_num--; 884fcd89c09SVille Tervo break; 885bd1eb66bSAndrei Emeltchenko case AMP_LINK: 886bd1eb66bSAndrei Emeltchenko h->amp_num--; 887bd1eb66bSAndrei Emeltchenko break; 888fcd89c09SVille Tervo case LE_LINK: 889fcd89c09SVille Tervo h->le_num--; 890f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 891f8218dc6SJohan Hedberg h->le_num_slave--; 892fcd89c09SVille Tervo break; 893fcd89c09SVille Tervo case SCO_LINK: 894fcd89c09SVille Tervo case ESCO_LINK: 8951da177e4SLinus Torvalds h->sco_num--; 896fcd89c09SVille Tervo break; 897fcd89c09SVille Tervo } 8981da177e4SLinus Torvalds } 8991da177e4SLinus Torvalds 90052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 90152087a79SLuiz Augusto von Dentz { 90252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 90352087a79SLuiz Augusto von Dentz switch (type) { 90452087a79SLuiz Augusto von Dentz case ACL_LINK: 90552087a79SLuiz Augusto von Dentz return h->acl_num; 906bd1eb66bSAndrei Emeltchenko case AMP_LINK: 907bd1eb66bSAndrei Emeltchenko return h->amp_num; 90852087a79SLuiz Augusto von Dentz case LE_LINK: 90952087a79SLuiz Augusto von Dentz return h->le_num; 91052087a79SLuiz Augusto von Dentz case SCO_LINK: 91152087a79SLuiz Augusto von Dentz case ESCO_LINK: 91252087a79SLuiz Augusto von Dentz return h->sco_num; 91352087a79SLuiz Augusto von Dentz default: 91452087a79SLuiz Augusto von Dentz return 0; 91552087a79SLuiz Augusto von Dentz } 91652087a79SLuiz Augusto von Dentz } 91752087a79SLuiz Augusto von Dentz 918f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 919f4f07505SJohan Hedberg { 920f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 921f4f07505SJohan Hedberg 922f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 923f4f07505SJohan Hedberg } 924f4f07505SJohan Hedberg 925845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 926845472e8SMarcel Holtmann { 927845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 928845472e8SMarcel Holtmann struct hci_conn *c; 929845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 930845472e8SMarcel Holtmann 931845472e8SMarcel Holtmann rcu_read_lock(); 932845472e8SMarcel Holtmann 933845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 934845472e8SMarcel Holtmann if (c->handle == handle) { 935845472e8SMarcel Holtmann type = c->type; 936845472e8SMarcel Holtmann break; 937845472e8SMarcel Holtmann } 938845472e8SMarcel Holtmann } 939845472e8SMarcel Holtmann 940845472e8SMarcel Holtmann rcu_read_unlock(); 941845472e8SMarcel Holtmann 942845472e8SMarcel Holtmann return type; 943845472e8SMarcel Holtmann } 944845472e8SMarcel Holtmann 9451da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9461da177e4SLinus Torvalds __u16 handle) 9471da177e4SLinus Torvalds { 9481da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9491da177e4SLinus Torvalds struct hci_conn *c; 9501da177e4SLinus Torvalds 951bf4c6325SGustavo F. Padovan rcu_read_lock(); 952bf4c6325SGustavo F. Padovan 953bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 954bf4c6325SGustavo F. Padovan if (c->handle == handle) { 955bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9561da177e4SLinus Torvalds return c; 9571da177e4SLinus Torvalds } 958bf4c6325SGustavo F. Padovan } 959bf4c6325SGustavo F. Padovan rcu_read_unlock(); 960bf4c6325SGustavo F. Padovan 9611da177e4SLinus Torvalds return NULL; 9621da177e4SLinus Torvalds } 9631da177e4SLinus Torvalds 9641da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 9651da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 9661da177e4SLinus Torvalds { 9671da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9681da177e4SLinus Torvalds struct hci_conn *c; 9691da177e4SLinus Torvalds 970bf4c6325SGustavo F. Padovan rcu_read_lock(); 971bf4c6325SGustavo F. Padovan 972bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 973bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 974bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9751da177e4SLinus Torvalds return c; 9761da177e4SLinus Torvalds } 977bf4c6325SGustavo F. Padovan } 978bf4c6325SGustavo F. Padovan 979bf4c6325SGustavo F. Padovan rcu_read_unlock(); 980bf4c6325SGustavo F. Padovan 9811da177e4SLinus Torvalds return NULL; 9821da177e4SLinus Torvalds } 9831da177e4SLinus Torvalds 9841b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 9851b51c7b6SJohan Hedberg bdaddr_t *ba, 9861b51c7b6SJohan Hedberg __u8 ba_type) 9871b51c7b6SJohan Hedberg { 9881b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 9891b51c7b6SJohan Hedberg struct hci_conn *c; 9901b51c7b6SJohan Hedberg 9911b51c7b6SJohan Hedberg rcu_read_lock(); 9921b51c7b6SJohan Hedberg 9931b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 9941b51c7b6SJohan Hedberg if (c->type != LE_LINK) 9951b51c7b6SJohan Hedberg continue; 9961b51c7b6SJohan Hedberg 9971b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 9981b51c7b6SJohan Hedberg rcu_read_unlock(); 9991b51c7b6SJohan Hedberg return c; 10001b51c7b6SJohan Hedberg } 10011b51c7b6SJohan Hedberg } 10021b51c7b6SJohan Hedberg 10031b51c7b6SJohan Hedberg rcu_read_unlock(); 10041b51c7b6SJohan Hedberg 10051b51c7b6SJohan Hedberg return NULL; 10061b51c7b6SJohan Hedberg } 10071b51c7b6SJohan Hedberg 10084c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10094c67bc74SMarcel Holtmann __u8 type, __u16 state) 10104c67bc74SMarcel Holtmann { 10114c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10124c67bc74SMarcel Holtmann struct hci_conn *c; 10134c67bc74SMarcel Holtmann 1014bf4c6325SGustavo F. Padovan rcu_read_lock(); 1015bf4c6325SGustavo F. Padovan 1016bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1017bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1018bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10194c67bc74SMarcel Holtmann return c; 10204c67bc74SMarcel Holtmann } 1021bf4c6325SGustavo F. Padovan } 1022bf4c6325SGustavo F. Padovan 1023bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1024bf4c6325SGustavo F. Padovan 10254c67bc74SMarcel Holtmann return NULL; 10264c67bc74SMarcel Holtmann } 10274c67bc74SMarcel Holtmann 1028e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1029e7d9ab73SJakub Pawlowski { 1030e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1031e7d9ab73SJakub Pawlowski struct hci_conn *c; 1032e7d9ab73SJakub Pawlowski 1033e7d9ab73SJakub Pawlowski rcu_read_lock(); 1034e7d9ab73SJakub Pawlowski 1035e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1036e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1037e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1038e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1039e7d9ab73SJakub Pawlowski return c; 1040e7d9ab73SJakub Pawlowski } 1041e7d9ab73SJakub Pawlowski } 1042e7d9ab73SJakub Pawlowski 1043e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1044e7d9ab73SJakub Pawlowski 1045e7d9ab73SJakub Pawlowski return NULL; 1046e7d9ab73SJakub Pawlowski } 1047e7d9ab73SJakub Pawlowski 1048e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 10492dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1050e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 10511da177e4SLinus Torvalds 1052a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1053a5c4e309SJohan Hedberg u8 role); 10541da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 10551da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1056a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 10571da177e4SLinus Torvalds 105873d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 10599472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 10602c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 106142c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 106273d80debSLuiz Augusto von Dentz 1063f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1064f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 106576b13996SManish Mandlik u16 conn_timeout, 106676b13996SManish Mandlik enum conn_reasons conn_reason); 106704a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1068cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 1069082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 107004a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 107176b13996SManish Mandlik u8 sec_level, u8 auth_type, 107276b13996SManish Mandlik enum conn_reasons conn_reason); 107310c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 107410c62ddcSFrédéric Dalleau __u16 setting); 1075e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1076b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1077e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1078e7cafc45SJohan Hedberg bool initiator); 10798c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 10801da177e4SLinus Torvalds 108114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 10821da177e4SLinus Torvalds 108306c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 108406c053fbSAndre Guedes 10858d12356fSDavid Herrmann /* 10868d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 10878d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 10888d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 10898d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 10908d12356fSDavid Herrmann * other constant data. 10918d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 10928d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 10938d12356fSDavid Herrmann * get dropped, though. 10948d12356fSDavid Herrmann * 10958d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 10968d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 10978d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 10988d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 10998d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11008d12356fSDavid Herrmann * hci_conn_add()). 11018d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11028d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11038d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11048d12356fSDavid Herrmann */ 11058d12356fSDavid Herrmann 110651bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11078d12356fSDavid Herrmann { 11088d12356fSDavid Herrmann get_device(&conn->dev); 110951bb8457SJohan Hedberg return conn; 11108d12356fSDavid Herrmann } 11118d12356fSDavid Herrmann 11128d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11138d12356fSDavid Herrmann { 11148d12356fSDavid Herrmann put_device(&conn->dev); 11158d12356fSDavid Herrmann } 11168d12356fSDavid Herrmann 11171da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11181da177e4SLinus Torvalds { 111971becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 112038b3fef1SAndrei Emeltchenko 11211da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11222f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11231da177e4SLinus Torvalds } 11241da177e4SLinus Torvalds 112576a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11261da177e4SLinus Torvalds { 112771becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 112838b3fef1SAndrei Emeltchenko 11291da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 113004837f64SMarcel Holtmann unsigned long timeo; 1131716e4ab5SAndrei Emeltchenko 1132716e4ab5SAndrei Emeltchenko switch (conn->type) { 1133716e4ab5SAndrei Emeltchenko case ACL_LINK: 1134716e4ab5SAndrei Emeltchenko case LE_LINK: 1135a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11366ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11375f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 113804837f64SMarcel Holtmann if (!conn->out) 1139052b30b0SMarcel Holtmann timeo *= 2; 11405a9d0a3fSWaldemar Rymarkiewicz } else { 1141eb78d7e5SJohan Hedberg timeo = 0; 11425a9d0a3fSWaldemar Rymarkiewicz } 1143716e4ab5SAndrei Emeltchenko break; 1144716e4ab5SAndrei Emeltchenko 1145716e4ab5SAndrei Emeltchenko case AMP_LINK: 1146716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1147716e4ab5SAndrei Emeltchenko break; 1148716e4ab5SAndrei Emeltchenko 1149716e4ab5SAndrei Emeltchenko default: 1150eb78d7e5SJohan Hedberg timeo = 0; 1151716e4ab5SAndrei Emeltchenko break; 11525a9d0a3fSWaldemar Rymarkiewicz } 1153716e4ab5SAndrei Emeltchenko 11542f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 115519c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 11561931782bSVinicius Costa Gomes &conn->disc_work, timeo); 11571da177e4SLinus Torvalds } 11581da177e4SLinus Torvalds } 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1161dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 11621da177e4SLinus Torvalds { 1163376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11642c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1165376261aeSAndrei Emeltchenko 11664c724c71SDavid Herrmann put_device(&d->dev); 1167010666a1SDavid Herrmann } 11681da177e4SLinus Torvalds 1169dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 11701da177e4SLinus Torvalds { 1171376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11722c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1173376261aeSAndrei Emeltchenko 11744c724c71SDavid Herrmann get_device(&d->dev); 11751da177e4SLinus Torvalds return d; 11761da177e4SLinus Torvalds } 11771da177e4SLinus Torvalds 117809fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 117909fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 11801da177e4SLinus Torvalds 1181aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 11823dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1183aa2b86d7SDavid Herrmann 1184155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1185155961e8SDavid Herrmann { 1186155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1187155961e8SDavid Herrmann } 1188155961e8SDavid Herrmann 1189155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1190155961e8SDavid Herrmann { 1191155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1192155961e8SDavid Herrmann } 1193155961e8SDavid Herrmann 11941da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 119539385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 11961da177e4SLinus Torvalds 11971da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 11981da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 11991da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 120059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 12011da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12021da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 120375e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1204f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1205f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12061aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12071aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1208145373cbSMiao-chen Chou 1209145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1210145373cbSMiao-chen Chou { 1211145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1212145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1213145373cbSMiao-chen Chou #endif 1214145373cbSMiao-chen Chou } 1215145373cbSMiao-chen Chou 12161da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12171da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12186b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12191da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12201da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12211da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12221da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12231da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12241da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12251da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 122640be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 12271da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 12281da177e4SLinus Torvalds 1229dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1230b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1231b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1232b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1233b950aa88SAnkit Navik u8 type); 12348baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 12358baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12368baaa403SAbhishek Pandit-Subedi u8 type); 1237dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1238b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1239b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 12408baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12418baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1242dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1243b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1244b950aa88SAnkit Navik u8 type); 12458baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12468baaa403SAbhishek Pandit-Subedi u8 type); 1247dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1248d2ab0ac1SMarcel Holtmann 124915819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 125015819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 125151d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 125251d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 125315819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 125455af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 125515819a70SAndre Guedes 1256501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1257501f8827SJohan Hedberg bdaddr_t *addr, 1258501f8827SJohan Hedberg u8 addr_type); 125977a77a30SAndre Guedes 126035f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 12612aeb9a1aSJohan Hedberg 126235f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 126355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1264567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 12657652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 12667652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1267ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 126835d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1269fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1270f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1271e804d25dSJohan Hedberg u8 addr_type, u8 role); 1272e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 127335f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 127455ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 127555ed8ca1SJohan Hedberg 1276970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1277970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1278970c4e46SJohan Hedberg u8 addr_type); 1279ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1280ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1281a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1282600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1283600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1284970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1285970c4e46SJohan Hedberg 128655e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 128755e76b38SJohan Hedberg 128835f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 12892763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 12906928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 12910798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12926928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 129338da1703SJohan Hedberg u8 *hash256, u8 *rand256); 12946928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12956928a924SJohan Hedberg u8 bdaddr_type); 12962763eda6SSzymon Janc 1297d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1298d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1299d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1300d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1301d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1302d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1303d2609b34SFlorian Grandel u16 timeout, u16 duration); 1304d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1305a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1306d2609b34SFlorian Grandel 1307e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 1308b139553dSMiao-chen Chou void hci_free_adv_monitor(struct adv_monitor *monitor); 1309b139553dSMiao-chen Chou int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1310bd2fbc6cSMiao-chen Chou int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle); 13118208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1312e5e1e7fdSMiao-chen Chou 13131da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13141da177e4SLinus Torvalds 13150ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1316a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1317b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1318b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 13191da177e4SLinus Torvalds 13206935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 13211da177e4SLinus Torvalds 13221da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1323cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1324cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1325cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1326cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1327cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1328cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1329cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1330cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1331cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1332cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1333cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1334cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1335cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1336cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1337cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1338cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1339cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1340cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 134107a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 13425075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 13435075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 13445075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 13455075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 13461da177e4SLinus Torvalds 1347eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 134853b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 134953b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 135053b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 135153b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1352d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1353d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 135453b834d2SMarcel Holtmann 135553b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1356cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1357d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1358cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1359cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1360eead27daSAndre Guedes 1361d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1362d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 136305b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1364d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1365432df05eSJohan Hedberg 136645bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 136745bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 136845bdd86eSJaganath Kanakkassery 136945bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 137045bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 137145bdd86eSJaganath Kanakkassery 137245bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 137345bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 137445bdd86eSJaganath Kanakkassery 1375e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1376e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1377e1d57235SMarcel Holtmann 1378a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1379a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1380a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 13814d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 13824d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1383a2344b9eSJaganath Kanakkassery 13846b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 13856b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 13866b49bcb4SJaganath Kanakkassery 13871da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 138820714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 138920714bfeSFrédéric Dalleau 13905a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 139120714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 13921da177e4SLinus Torvalds { 1393686ebf28SUlisses Furquim switch (type) { 1394686ebf28SUlisses Furquim case ACL_LINK: 1395686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 13961da177e4SLinus Torvalds 1397686ebf28SUlisses Furquim case SCO_LINK: 1398686ebf28SUlisses Furquim case ESCO_LINK: 139920714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14001da177e4SLinus Torvalds 1401686ebf28SUlisses Furquim default: 1402686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1403686ebf28SUlisses Furquim return -EINVAL; 1404686ebf28SUlisses Furquim } 14051da177e4SLinus Torvalds } 14061da177e4SLinus Torvalds 14072950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 14082950f21aSMarcel Holtmann { 1409686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1410686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 14112950f21aSMarcel Holtmann 1412686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 14132950f21aSMarcel Holtmann } 14142950f21aSMarcel Holtmann 14151da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 14161da177e4SLinus Torvalds struct hci_cb { 14171da177e4SLinus Torvalds struct list_head list; 14181da177e4SLinus Torvalds 14191da177e4SLinus Torvalds char *name; 14201da177e4SLinus Torvalds 1421539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 14223a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 14235a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 14245a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 14251da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 14261da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 14271da177e4SLinus Torvalds }; 14281da177e4SLinus Torvalds 1429539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1430539c496dSJohan Hedberg { 1431539c496dSJohan Hedberg struct hci_cb *cb; 1432539c496dSJohan Hedberg 1433539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1434539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1435539c496dSJohan Hedberg if (cb->connect_cfm) 1436539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1437539c496dSJohan Hedberg } 1438539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1439539c496dSJohan Hedberg 1440539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1441539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1442539c496dSJohan Hedberg } 1443539c496dSJohan Hedberg 14443a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 14453a6d576bSJohan Hedberg { 14463a6d576bSJohan Hedberg struct hci_cb *cb; 14473a6d576bSJohan Hedberg 14483a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 14493a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 14503a6d576bSJohan Hedberg if (cb->disconn_cfm) 14513a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 14523a6d576bSJohan Hedberg } 14533a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 14543a6d576bSJohan Hedberg 14553a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 14563a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 14573a6d576bSJohan Hedberg } 14583a6d576bSJohan Hedberg 14591da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 14601da177e4SLinus Torvalds { 1461711584eaSDenis Kirjanov struct hci_cb *cb; 14628c1b2355SMarcel Holtmann __u8 encrypt; 14631da177e4SLinus Torvalds 146451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 14658c1b2355SMarcel Holtmann return; 14668c1b2355SMarcel Holtmann 14674dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 14688c1b2355SMarcel Holtmann 1469fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1470711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 14718c1b2355SMarcel Holtmann if (cb->security_cfm) 14728c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 14731da177e4SLinus Torvalds } 1474fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1475354fe804SJohan Hedberg 1476354fe804SJohan Hedberg if (conn->security_cfm_cb) 1477354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 14781da177e4SLinus Torvalds } 14791da177e4SLinus Torvalds 14803ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 14811da177e4SLinus Torvalds { 1482711584eaSDenis Kirjanov struct hci_cb *cb; 14833ca44c16SLuiz Augusto von Dentz __u8 encrypt; 14843ca44c16SLuiz Augusto von Dentz 14853ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1486339ddaa6SPatrick Steinhardt if (!status) 14873ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 14883ca44c16SLuiz Augusto von Dentz 14893ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 14903ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 14913ca44c16SLuiz Augusto von Dentz return; 14923ca44c16SLuiz Augusto von Dentz } 14933ca44c16SLuiz Augusto von Dentz 14943ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 14953ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 14963ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 14973ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 14983ca44c16SLuiz Augusto von Dentz else 14993ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15001da177e4SLinus Torvalds 15018746f135SLuiz Augusto von Dentz if (!status) { 1502435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1503435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1504435fef20SMarcel Holtmann 150588167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 150688167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15078746f135SLuiz Augusto von Dentz } 150888167aedSVinicius Costa Gomes 1509fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1510711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15118c1b2355SMarcel Holtmann if (cb->security_cfm) 15128c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15131da177e4SLinus Torvalds } 1514fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1515354fe804SJohan Hedberg 1516354fe804SJohan Hedberg if (conn->security_cfm_cb) 1517354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15181da177e4SLinus Torvalds } 15191da177e4SLinus Torvalds 15201da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 15211da177e4SLinus Torvalds { 1522711584eaSDenis Kirjanov struct hci_cb *cb; 15231da177e4SLinus Torvalds 1524fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1525711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15261da177e4SLinus Torvalds if (cb->key_change_cfm) 15271da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 15281da177e4SLinus Torvalds } 1529fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15301da177e4SLinus Torvalds } 15311da177e4SLinus Torvalds 15325a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 15335a9d0a3fSWaldemar Rymarkiewicz __u8 role) 15341da177e4SLinus Torvalds { 1535711584eaSDenis Kirjanov struct hci_cb *cb; 15361da177e4SLinus Torvalds 1537fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1538711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15391da177e4SLinus Torvalds if (cb->role_switch_cfm) 15401da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 15411da177e4SLinus Torvalds } 1542fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15431da177e4SLinus Torvalds } 15441da177e4SLinus Torvalds 15450d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 15460d3b7f64SJohan Hedberg size_t *data_len) 15476759a675SJohan Hedberg { 154884d9d071SJohan Hedberg size_t parsed = 0; 15496759a675SJohan Hedberg 15500d3b7f64SJohan Hedberg if (eir_len < 2) 15510d3b7f64SJohan Hedberg return NULL; 15526c0c331eSJohan Hedberg 15530d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 15540d3b7f64SJohan Hedberg u8 field_len = eir[0]; 15556759a675SJohan Hedberg 15566759a675SJohan Hedberg if (field_len == 0) 15576759a675SJohan Hedberg break; 15586759a675SJohan Hedberg 15596759a675SJohan Hedberg parsed += field_len + 1; 15606759a675SJohan Hedberg 15610d3b7f64SJohan Hedberg if (parsed > eir_len) 15626759a675SJohan Hedberg break; 15636759a675SJohan Hedberg 15640d3b7f64SJohan Hedberg if (eir[1] != type) { 15650d3b7f64SJohan Hedberg eir += field_len + 1; 15660d3b7f64SJohan Hedberg continue; 15676759a675SJohan Hedberg } 15686759a675SJohan Hedberg 15690d3b7f64SJohan Hedberg /* Zero length data */ 15700d3b7f64SJohan Hedberg if (field_len == 1) 15710d3b7f64SJohan Hedberg return NULL; 15720d3b7f64SJohan Hedberg 15730d3b7f64SJohan Hedberg if (data_len) 15740d3b7f64SJohan Hedberg *data_len = field_len - 1; 15750d3b7f64SJohan Hedberg 15760d3b7f64SJohan Hedberg return &eir[2]; 15770d3b7f64SJohan Hedberg } 15780d3b7f64SJohan Hedberg 15790d3b7f64SJohan Hedberg return NULL; 15806759a675SJohan Hedberg } 15816759a675SJohan Hedberg 1582301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1583301cb2d8SJohan Hedberg { 1584dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1585301cb2d8SJohan Hedberg return false; 1586301cb2d8SJohan Hedberg 1587301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1588301cb2d8SJohan Hedberg return true; 1589301cb2d8SJohan Hedberg 1590301cb2d8SJohan Hedberg return false; 1591301cb2d8SJohan Hedberg } 1592301cb2d8SJohan Hedberg 1593c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1594c46245b3SJohan Hedberg { 1595c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1596c46245b3SJohan Hedberg return true; 1597c46245b3SJohan Hedberg 1598c46245b3SJohan Hedberg /* Check for Random Static address type */ 1599c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1600c46245b3SJohan Hedberg return true; 1601c46245b3SJohan Hedberg 1602c46245b3SJohan Hedberg return false; 1603c46245b3SJohan Hedberg } 1604c46245b3SJohan Hedberg 16052426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16062426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16072426f3a5SJohan Hedberg { 16082426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16092426f3a5SJohan Hedberg return NULL; 16102426f3a5SJohan Hedberg 16112426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16122426f3a5SJohan Hedberg } 16132426f3a5SJohan Hedberg 1614d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1615d4905f24SAndre Guedes u16 to_multiplier) 1616d4905f24SAndre Guedes { 1617d4905f24SAndre Guedes u16 max_latency; 1618d4905f24SAndre Guedes 1619d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1620d4905f24SAndre Guedes return -EINVAL; 1621d4905f24SAndre Guedes 1622d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1623d4905f24SAndre Guedes return -EINVAL; 1624d4905f24SAndre Guedes 1625d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1626d4905f24SAndre Guedes return -EINVAL; 1627d4905f24SAndre Guedes 16288757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1629d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1630d4905f24SAndre Guedes return -EINVAL; 1631d4905f24SAndre Guedes 1632d4905f24SAndre Guedes return 0; 1633d4905f24SAndre Guedes } 1634d4905f24SAndre Guedes 16351da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 16361da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 16371da177e4SLinus Torvalds 163875e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 163907dc93ddSJohan Hedberg const void *param, u32 timeout); 16407b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 164107dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1642d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1643d6ee6ad7SLoic Poulain const void *param); 164475e84b7cSJohan Hedberg 164507dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 164607dc93ddSJohan Hedberg const void *param); 164773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 16480d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 16491da177e4SLinus Torvalds 1650a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 16511da177e4SLinus Torvalds 1652fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1653fbef168fSLoic Poulain const void *param, u32 timeout); 1654fbef168fSLoic Poulain 1655eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1656eab2404bSLuiz Augusto von Dentz 16571da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1658470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 16597129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1660c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1661cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 166238ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 166338ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 166438ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 16651da177e4SLinus Torvalds 1666040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1667040030efSMarcel Holtmann 1668a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1669a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1670a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1671a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1672d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1673b9a245fbSJohan Hedberg 1674801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1675801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1676801c1e8dSJohan Hedberg u16 data_len); 1677801c1e8dSJohan Hedberg size_t data_len; 1678b9a245fbSJohan Hedberg unsigned long flags; 1679801c1e8dSJohan Hedberg }; 1680801c1e8dSJohan Hedberg 1681801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1682801c1e8dSJohan Hedberg struct list_head list; 1683801c1e8dSJohan Hedberg unsigned short channel; 1684801c1e8dSJohan Hedberg size_t handler_count; 1685801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 168688b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1687801c1e8dSJohan Hedberg }; 1688801c1e8dSJohan Hedberg 1689801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1690801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1691801c1e8dSJohan Hedberg 16920381101fSJohan Hedberg /* Management interface */ 1693591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1694591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1695591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1696591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1697591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1698591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1699f39799f5SAndre Guedes 17000d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17010d8cc935SAndre Guedes * Discovery Procedure specification. 17020d8cc935SAndre Guedes */ 17030d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17040d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17053d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1706ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17070d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17080d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17094b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1710ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ 1711ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ 17120d8cc935SAndre Guedes 171303c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 171491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1715bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1716bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17173eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17182ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17192ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1720dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1721745c0ce3SVishal Agarwal bool persistent); 172248ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 172348ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 17249b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 172512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 172612d4a3b2SJohan Hedberg bool mgmt_connected); 17277892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 172888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1729445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 173048264f06SJohan Hedberg u8 addr_type, u8 status); 1731ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1732e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1733c35938b2SSzymon Janc u8 status); 17343eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1735744cf19eSJohan Hedberg u8 status); 1736744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 173739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1738272d90dfSJohan Hedberg u8 confirm_hint); 1739744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1740272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1741272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1742272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1743272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1744272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1745604086b7SBrian Gix int mgmt_user_passkey_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_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1748272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 174992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 175092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 175192a25256SJohan Hedberg u8 entered); 1752e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1753464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 17543e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 17554e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 17567f9a903cSMarcel Holtmann u8 status); 17577667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1758e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 17592154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1760901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1761af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1762af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 17639cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1764b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 17652f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1766346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1767346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1768346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 176984c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 177053ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1771cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 177253ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 177353ac6ab6SMarcel Holtmann bool persistent); 1774ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1775f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1776f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1777f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1778f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 177953c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1780aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1781f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1782f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1783f2252570SJohan Hedberg u8 instance); 1784f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1785f2252570SJohan Hedberg u8 instance); 1786b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1787346af67bSVinicius Costa Gomes 17887d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 17897d6ca693SJohan Hedberg u16 to_multiplier); 1790fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 17918b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 17922519a1fcSAndre Guedes 1793a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1794a1f4c318SJohan Hedberg u8 *bdaddr_type); 1795ebd3a747SJohan Hedberg 17965d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 17975d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 17985d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 17995d4d62f6SFrédéric Dalleau 18001da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1801