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; 233*9bf9f4b6SDaniel Winkler __u32 min_interval; 234*9bf9f4b6SDaniel Winkler __u32 max_interval; 235a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 236a73c046aSJaganath Kanakkassery bool rpa_expired; 237a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 238203fea01SArman Uguray }; 239203fea01SArman Uguray 240db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 241d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 242d2609b34SFlorian Grandel 24312410572SDaniel Winkler #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 24412410572SDaniel Winkler 245e5e1e7fdSMiao-chen Chou struct adv_pattern { 246e5e1e7fdSMiao-chen Chou struct list_head list; 247e5e1e7fdSMiao-chen Chou __u8 ad_type; 248e5e1e7fdSMiao-chen Chou __u8 offset; 249e5e1e7fdSMiao-chen Chou __u8 length; 250e5e1e7fdSMiao-chen Chou __u8 value[HCI_MAX_AD_LENGTH]; 251e5e1e7fdSMiao-chen Chou }; 252e5e1e7fdSMiao-chen Chou 253e5e1e7fdSMiao-chen Chou struct adv_monitor { 254e5e1e7fdSMiao-chen Chou struct list_head patterns; 255e5e1e7fdSMiao-chen Chou bool active; 256e5e1e7fdSMiao-chen Chou __u16 handle; 257e5e1e7fdSMiao-chen Chou }; 258e5e1e7fdSMiao-chen Chou 259e5e1e7fdSMiao-chen Chou #define HCI_MIN_ADV_MONITOR_HANDLE 1 260e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 261e5e1e7fdSMiao-chen Chou #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 262e5e1e7fdSMiao-chen Chou 263490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 264490c5babSJohan Hedberg 265d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 266d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 267d5bb334aSMarcel Holtmann 268d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 269d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 270d6bfd59cSJohan Hedberg 27131ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 27231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 27331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 274302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 275302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 27631ad1691SAndrzej Kaczmarek 277903e4541SAndrei Emeltchenko struct amp_assoc { 278903e4541SAndrei Emeltchenko __u16 len; 279903e4541SAndrei Emeltchenko __u16 offset; 28093c284eeSAndrei Emeltchenko __u16 rem_len; 28193c284eeSAndrei Emeltchenko __u16 len_so_far; 282903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 283903e4541SAndrei Emeltchenko }; 284903e4541SAndrei Emeltchenko 285d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 286cad718edSJohan Hedberg 2871da177e4SLinus Torvalds struct hci_dev { 2881da177e4SLinus Torvalds struct list_head list; 28909fd0de5SGustavo F. Padovan struct mutex lock; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds char name[8]; 2921da177e4SLinus Torvalds unsigned long flags; 2931da177e4SLinus Torvalds __u16 id; 294c13854ceSMarcel Holtmann __u8 bus; 295943da25dSMarcel Holtmann __u8 dev_type; 2961da177e4SLinus Torvalds bdaddr_t bdaddr; 297e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 29824c457e2SMarcel Holtmann bdaddr_t public_addr; 2997a4cd51dSMarcel Holtmann bdaddr_t random_addr; 300d13eafceSMarcel Holtmann bdaddr_t static_addr; 30156ed2cb8SJohan Hedberg __u8 adv_addr_type; 3021f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 303490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 30480a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 305c4960ecfSMichał Narajowski __u16 appearance; 306a9de9248SMarcel Holtmann __u8 dev_class[3]; 3071aff6f09SJohan Hedberg __u8 major_class; 3081aff6f09SJohan Hedberg __u8 minor_class; 309d2c5d77fSJohan Hedberg __u8 max_page; 310cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 31160e77321SJohan Hedberg __u8 le_features[8]; 312cf1d081fSJohan Hedberg __u8 le_white_list_size; 313cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 3146b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 3159b008c04SJohan Hedberg __u8 le_states[8]; 316a9de9248SMarcel Holtmann __u8 commands[64]; 3171143e5a6SMarcel Holtmann __u8 hci_ver; 3181143e5a6SMarcel Holtmann __u16 hci_rev; 319d5859e22SJohan Hedberg __u8 lmp_ver; 3201143e5a6SMarcel Holtmann __u16 manufacturer; 3217d69230cSAndrei Emeltchenko __u16 lmp_subver; 3221da177e4SLinus Torvalds __u16 voice_setting; 323b4cb9fb2SMarcel Holtmann __u8 num_iac; 324c2f0f979SMarcel Holtmann __u8 stored_max_keys; 325c2f0f979SMarcel Holtmann __u8 stored_num_keys; 32617fa4b9dSJohan Hedberg __u8 io_capability; 32791c4e9b1SMarcel Holtmann __s8 inq_tx_power; 32800bce3fbSAlain Michaud __u8 err_data_reporting; 329f332ec66SJohan Hedberg __u16 page_scan_interval; 330f332ec66SJohan Hedberg __u16 page_scan_window; 331f332ec66SJohan Hedberg __u8 page_scan_type; 3323f959d46SMarcel Holtmann __u8 le_adv_channel_map; 333628531c9SGeorg Lukas __u16 le_adv_min_interval; 334628531c9SGeorg Lukas __u16 le_adv_max_interval; 335533553f8SMarcel Holtmann __u8 le_scan_type; 336bef64738SMarcel Holtmann __u16 le_scan_interval; 337bef64738SMarcel Holtmann __u16 le_scan_window; 33810873f99SAlain Michaud __u16 le_scan_int_suspend; 33910873f99SAlain Michaud __u16 le_scan_window_suspend; 34010873f99SAlain Michaud __u16 le_scan_int_discovery; 34110873f99SAlain Michaud __u16 le_scan_window_discovery; 34210873f99SAlain Michaud __u16 le_scan_int_adv_monitor; 34310873f99SAlain Michaud __u16 le_scan_window_adv_monitor; 34410873f99SAlain Michaud __u16 le_scan_int_connect; 34510873f99SAlain Michaud __u16 le_scan_window_connect; 3464e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 3474e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 34804fb7d90SMarcel Holtmann __u16 le_conn_latency; 34904fb7d90SMarcel Holtmann __u16 le_supv_timeout; 350a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 351a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 352a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 353a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 354a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 355a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 35630d65e08SMatias Karhumaa __u8 le_max_key_size; 35730d65e08SMatias Karhumaa __u8 le_min_key_size; 358b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 35931ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 36031ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 361302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 36258a96fc3SMarcel Holtmann __u8 min_enc_key_size; 363a4790360SMarcel Holtmann __u8 max_enc_key_size; 364a4790360SMarcel Holtmann __u8 pairing_opts; 36506f5b778SMarcel Holtmann __u8 ssp_debug_mode; 366c7741d16SMarcel Holtmann __u8 hw_error_code; 36733f35721SJohan Hedberg __u32 clock; 368c4f1f408SHoward Chung __u16 advmon_allowlist_duration; 369c4f1f408SHoward Chung __u16 advmon_no_filter_duration; 37080af16a3SHoward Chung __u8 enable_advmon_interleave_scan; 371f332ec66SJohan Hedberg 3722b9be137SMarcel Holtmann __u16 devid_source; 3732b9be137SMarcel Holtmann __u16 devid_vendor; 3742b9be137SMarcel Holtmann __u16 devid_product; 3752b9be137SMarcel Holtmann __u16 devid_version; 3761da177e4SLinus Torvalds 37710873f99SAlain Michaud __u8 def_page_scan_type; 37810873f99SAlain Michaud __u16 def_page_scan_int; 37910873f99SAlain Michaud __u16 def_page_scan_window; 38010873f99SAlain Michaud __u8 def_inq_scan_type; 38110873f99SAlain Michaud __u16 def_inq_scan_int; 38210873f99SAlain Michaud __u16 def_inq_scan_window; 38310873f99SAlain Michaud __u16 def_br_lsto; 38410873f99SAlain Michaud __u16 def_page_timeout; 38510873f99SAlain Michaud __u16 def_multi_adv_rotation_duration; 38649b020c1SAlain Michaud __u16 def_le_autoconnect_timeout; 38710873f99SAlain Michaud 3881da177e4SLinus Torvalds __u16 pkt_type; 3895b7f9909SMarcel Holtmann __u16 esco_type; 3901da177e4SLinus Torvalds __u16 link_policy; 3911da177e4SLinus Torvalds __u16 link_mode; 3921da177e4SLinus Torvalds 39304837f64SMarcel Holtmann __u32 idle_timeout; 39404837f64SMarcel Holtmann __u16 sniff_min_interval; 39504837f64SMarcel Holtmann __u16 sniff_max_interval; 39604837f64SMarcel Holtmann 397928abaa7SAndrei Emeltchenko __u8 amp_status; 398928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 399928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 400928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 401928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 402928abaa7SAndrei Emeltchenko __u8 amp_type; 403928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 404928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 405928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 406928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 407928abaa7SAndrei Emeltchenko 408903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 409903e4541SAndrei Emeltchenko 4101e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 4111e89cffbSAndrei Emeltchenko 4129f61656aSJohan Hedberg unsigned int auto_accept_delay; 4139f61656aSJohan Hedberg 4141da177e4SLinus Torvalds unsigned long quirks; 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds atomic_t cmd_cnt; 4171da177e4SLinus Torvalds unsigned int acl_cnt; 4181da177e4SLinus Torvalds unsigned int sco_cnt; 4196ed58ec5SVille Tervo unsigned int le_cnt; 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds unsigned int acl_mtu; 4221da177e4SLinus Torvalds unsigned int sco_mtu; 4236ed58ec5SVille Tervo unsigned int le_mtu; 4241da177e4SLinus Torvalds unsigned int acl_pkts; 4251da177e4SLinus Torvalds unsigned int sco_pkts; 4266ed58ec5SVille Tervo unsigned int le_pkts; 4271da177e4SLinus Torvalds 428350ee4cfSAndrei Emeltchenko __u16 block_len; 429350ee4cfSAndrei Emeltchenko __u16 block_mtu; 430350ee4cfSAndrei Emeltchenko __u16 num_blocks; 431350ee4cfSAndrei Emeltchenko __u16 block_cnt; 432350ee4cfSAndrei Emeltchenko 4331da177e4SLinus Torvalds unsigned long acl_last_tx; 4341da177e4SLinus Torvalds unsigned long sco_last_tx; 4356ed58ec5SVille Tervo unsigned long le_last_tx; 4361da177e4SLinus Torvalds 4376decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 4386decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 4396decb5b4SJaganath Kanakkassery 440f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 4416ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 442f48fd9c8SMarcel Holtmann 443ab81cbf9SJohan Hedberg struct work_struct power_on; 4443243553fSJohan Hedberg struct delayed_work power_off; 445c7741d16SMarcel Holtmann struct work_struct error_reset; 446ab81cbf9SJohan Hedberg 44716ab91abSJohan Hedberg __u16 discov_timeout; 44816ab91abSJohan Hedberg struct delayed_work discov_off; 44916ab91abSJohan Hedberg 4507d78525dSJohan Hedberg struct delayed_work service_cache; 4517d78525dSJohan Hedberg 45265cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 453b78752ccSMarcel Holtmann 454b78752ccSMarcel Holtmann struct work_struct rx_work; 455c347b765SGustavo F. Padovan struct work_struct cmd_work; 4563eff45eaSGustavo F. Padovan struct work_struct tx_work; 4571da177e4SLinus Torvalds 458e68f072bSJohan Hedberg struct work_struct discov_update; 4592e93e53bSJohan Hedberg struct work_struct bg_scan_update; 46001b1cb87SJohan Hedberg struct work_struct scan_update; 46153c0ba74SJohan Hedberg struct work_struct connectable_update; 462aed1a885SJohan Hedberg struct work_struct discoverable_update; 4637c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4647c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4652e93e53bSJohan Hedberg 4661da177e4SLinus Torvalds struct sk_buff_head rx_q; 4671da177e4SLinus Torvalds struct sk_buff_head raw_q; 4681da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4711da177e4SLinus Torvalds 472a6a67efdSThomas Gleixner struct mutex req_lock; 4731da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4741da177e4SLinus Torvalds __u32 req_status; 4751da177e4SLinus Torvalds __u32 req_result; 476f60cb305SJohan Hedberg struct sk_buff *req_skb; 477a5040efaSJohan Hedberg 47870db83c4SJohan Hedberg void *smp_data; 479ef8efe4bSJohan Hedberg void *smp_bredr_data; 4802e58ef3eSJohan Hedberg 48130883512SJohan Hedberg struct discovery_state discovery; 4829952d90eSAbhishek Pandit-Subedi 4834867bd00SAbhishek Pandit-Subedi int discovery_old_state; 4844867bd00SAbhishek Pandit-Subedi bool discovery_paused; 4854867bd00SAbhishek Pandit-Subedi int advertising_old_state; 4864867bd00SAbhishek Pandit-Subedi bool advertising_paused; 4874867bd00SAbhishek Pandit-Subedi 4889952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 4899952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 4909952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 4919952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 4924f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 4934f40afc6SAbhishek Pandit-Subedi bool suspended; 4942f20216cSAbhishek Pandit-Subedi u8 wake_reason; 4952f20216cSAbhishek Pandit-Subedi bdaddr_t wake_addr; 4962f20216cSAbhishek Pandit-Subedi u8 wake_addr_type; 4979952d90eSAbhishek Pandit-Subedi 4989952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 4999952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 5009952d90eSAbhishek Pandit-Subedi 5011da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 5025c136e90SAndre Guedes 5035c136e90SAndre Guedes struct list_head mgmt_pending; 504ea4bd8baSDavid Miller struct list_head blacklist; 5056659358eSJohan Hedberg struct list_head whitelist; 5062aeb9a1aSJohan Hedberg struct list_head uuids; 50755ed8ca1SJohan Hedberg struct list_head link_keys; 508b899efafSVinicius Costa Gomes struct list_head long_term_keys; 509970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 5102763eda6SSzymon Janc struct list_head remote_oob_data; 511d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 512cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 51315819a70SAndre Guedes struct list_head le_conn_params; 51477a77a30SAndre Guedes struct list_head pend_le_conns; 51566f8455aSJohan Hedberg struct list_head pend_le_reports; 516600a8749SAlain Michaud struct list_head blocked_keys; 5172763eda6SSzymon Janc 5181da177e4SLinus Torvalds struct hci_dev_stats stat; 5191da177e4SLinus Torvalds 5201da177e4SLinus Torvalds atomic_t promisc; 5211da177e4SLinus Torvalds 5225177a838SMarcel Holtmann const char *hw_info; 5235177a838SMarcel Holtmann const char *fw_info; 524ca325f69SMarcel Holtmann struct dentry *debugfs; 525ca325f69SMarcel Holtmann 526a91f2e39SMarcel Holtmann struct device dev; 5271da177e4SLinus Torvalds 528611b30f7SMarcel Holtmann struct rfkill *rfkill; 529611b30f7SMarcel Holtmann 530eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 531d23264a8SAndre Guedes 5328fa19098SJohan Hedberg __s8 adv_tx_power; 5333f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 5343f0f524bSJohan Hedberg __u8 adv_data_len; 535f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 536f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 5378fa19098SJohan Hedberg 538d2609b34SFlorian Grandel struct list_head adv_instances; 539d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 540d2609b34SFlorian Grandel __u8 cur_adv_instance; 5415d900e46SFlorian Grandel __u16 adv_instance_timeout; 5425d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 543203fea01SArman Uguray 544e5e1e7fdSMiao-chen Chou struct idr adv_monitors_idr; 545e5e1e7fdSMiao-chen Chou unsigned int adv_monitors_cnt; 546e5e1e7fdSMiao-chen Chou 547863efaf2SJohan Hedberg __u8 irk[16]; 548d6bfd59cSJohan Hedberg __u32 rpa_timeout; 549d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 5502b5224dcSMarcel Holtmann bdaddr_t rpa; 551863efaf2SJohan Hedberg 552c4f1f408SHoward Chung enum { 553c4f1f408SHoward Chung INTERLEAVE_SCAN_NONE, 554c4f1f408SHoward Chung INTERLEAVE_SCAN_NO_FILTER, 555c4f1f408SHoward Chung INTERLEAVE_SCAN_ALLOWLIST 556c4f1f408SHoward Chung } interleave_scan_state; 557c4f1f408SHoward Chung 558c4f1f408SHoward Chung struct delayed_work interleave_scan; 559c4f1f408SHoward Chung 56053f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 5616d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 56253f863a6SMarcel Holtmann #endif 5636d5d2ee6SHeiner Kallweit 564145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 565145373cbSMiao-chen Chou __u16 msft_opcode; 566145373cbSMiao-chen Chou void *msft_data; 567145373cbSMiao-chen Chou #endif 568145373cbSMiao-chen Chou 5691da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 5701da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 5711da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 572f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 573a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 5747bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 5751da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 576c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 57798a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 5784b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 57924c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 580e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 58181dafad5SAbhishek Pandit-Subedi bool (*prevent_wake)(struct hci_dev *hdev); 5821da177e4SLinus Torvalds }; 5831da177e4SLinus Torvalds 58453502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 58553502d69SAndrei Emeltchenko 58676b13996SManish Mandlik enum conn_reasons { 58776b13996SManish Mandlik CONN_REASON_PAIR_DEVICE, 58876b13996SManish Mandlik CONN_REASON_L2CAP_CHAN, 58976b13996SManish Mandlik CONN_REASON_SCO_CONNECT, 59076b13996SManish Mandlik }; 59176b13996SManish Mandlik 5921da177e4SLinus Torvalds struct hci_conn { 5931da177e4SLinus Torvalds struct list_head list; 5941da177e4SLinus Torvalds 5951da177e4SLinus Torvalds atomic_t refcnt; 5961da177e4SLinus Torvalds 5971da177e4SLinus Torvalds bdaddr_t dst; 59829b7988aSAndre Guedes __u8 dst_type; 599662e8820SMarcel Holtmann bdaddr_t src; 600e7c4096eSMarcel Holtmann __u8 src_type; 601cb1d68f7SJohan Hedberg bdaddr_t init_addr; 602cb1d68f7SJohan Hedberg __u8 init_addr_type; 603cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 604cb1d68f7SJohan Hedberg __u8 resp_addr_type; 6051da177e4SLinus Torvalds __u16 handle; 6061da177e4SLinus Torvalds __u16 state; 60704837f64SMarcel Holtmann __u8 mode; 6081da177e4SLinus Torvalds __u8 type; 60940bef302SJohan Hedberg __u8 role; 610a0c808b3SJohan Hedberg bool out; 6114c67bc74SMarcel Holtmann __u8 attempt; 6121da177e4SLinus Torvalds __u8 dev_class[3]; 613cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 614a8746417SMarcel Holtmann __u16 pkt_type; 61504837f64SMarcel Holtmann __u16 link_policy; 61613d39315SWaldemar Rymarkiewicz __u8 key_type; 61740be492fSMarcel Holtmann __u8 auth_type; 6188c1b2355SMarcel Holtmann __u8 sec_level; 619765c2a96SJohan Hedberg __u8 pending_sec_level; 620980e1a53SJohan Hedberg __u8 pin_length; 621726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 62217fa4b9dSJohan Hedberg __u8 io_capability; 62392a25256SJohan Hedberg __u32 passkey_notify; 62492a25256SJohan Hedberg __u8 passkey_entered; 625052b30b0SMarcel Holtmann __u16 disc_timeout; 62609ae260bSJohan Hedberg __u16 conn_timeout; 62710c62ddcSFrédéric Dalleau __u16 setting; 628302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 6291e406eefSAndre Guedes __u16 le_conn_min_interval; 6301e406eefSAndre Guedes __u16 le_conn_max_interval; 631e04fde60SMarcel Holtmann __u16 le_conn_interval; 632e04fde60SMarcel Holtmann __u16 le_conn_latency; 633e04fde60SMarcel Holtmann __u16 le_supv_timeout; 634fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 635fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 6361efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 6371efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 6385ae76a94SAndrzej Kaczmarek __s8 rssi; 6395a134faeSAndrzej Kaczmarek __s8 tx_power; 640d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 64151a8efd7SJohan Hedberg unsigned long flags; 6421da177e4SLinus Torvalds 64376b13996SManish Mandlik enum conn_reasons conn_reason; 64476b13996SManish Mandlik 64533f35721SJohan Hedberg __u32 clock; 64633f35721SJohan Hedberg __u16 clock_accuracy; 64733f35721SJohan Hedberg 648dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 649dd983808SAndrzej Kaczmarek 65003b555e1SJohan Hedberg __u8 remote_cap; 65103b555e1SJohan Hedberg __u8 remote_auth; 6523161ae1cSAndrei Emeltchenko __u8 remote_id; 65303b555e1SJohan Hedberg 6541da177e4SLinus Torvalds unsigned int sent; 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds struct sk_buff_head data_q; 6572c33c06aSGustavo F. Padovan struct list_head chan_list; 6581da177e4SLinus Torvalds 65919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 6607bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 661a74a84f6SJohan Hedberg struct delayed_work idle_work; 6629489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 6638ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 6641da177e4SLinus Torvalds 665b219e3acSMarcel Holtmann struct device dev; 66623b9ceb7SMarcel Holtmann struct dentry *debugfs; 667b219e3acSMarcel Holtmann 6681da177e4SLinus Torvalds struct hci_dev *hdev; 6691da177e4SLinus Torvalds void *l2cap_data; 6701da177e4SLinus Torvalds void *sco_data; 6719740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvalds struct hci_conn *link; 674e9a416b5SJohan Hedberg 675e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 676e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 677e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 6781da177e4SLinus Torvalds }; 6791da177e4SLinus Torvalds 68073d80debSLuiz Augusto von Dentz struct hci_chan { 68173d80debSLuiz Augusto von Dentz struct list_head list; 68242c4e53eSAndrei Emeltchenko __u16 handle; 68373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 68473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 68573d80debSLuiz Augusto von Dentz unsigned int sent; 686168df8e5SMat Martineau __u8 state; 68773d80debSLuiz Augusto von Dentz }; 68873d80debSLuiz Augusto von Dentz 68915819a70SAndre Guedes struct hci_conn_params { 69015819a70SAndre Guedes struct list_head list; 69193450c75SJohan Hedberg struct list_head action; 69215819a70SAndre Guedes 69315819a70SAndre Guedes bdaddr_t addr; 69415819a70SAndre Guedes u8 addr_type; 69515819a70SAndre Guedes 69615819a70SAndre Guedes u16 conn_min_interval; 69715819a70SAndre Guedes u16 conn_max_interval; 698f044eb05SMarcel Holtmann u16 conn_latency; 699f044eb05SMarcel Holtmann u16 supervision_timeout; 7009fcb18efSAndre Guedes 7019fcb18efSAndre Guedes enum { 7029fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 703a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 7044b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 7059fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 7069fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 707158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 7089fcb18efSAndre Guedes } auto_connect; 709f161dd41SJohan Hedberg 710f161dd41SJohan Hedberg struct hci_conn *conn; 711158e9218SJakub Pawlowski bool explicit_connect; 712a1fc7535SAbhishek Pandit-Subedi u32 current_flags; 71315819a70SAndre Guedes }; 71415819a70SAndre Guedes 7151da177e4SLinus Torvalds extern struct list_head hci_dev_list; 7161da177e4SLinus Torvalds extern struct list_head hci_cb_list; 7171da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 718fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 7191da177e4SLinus Torvalds 720eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 721eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 722eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 723eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 724eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 725eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 726eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 727d7a5a11dSMarcel Holtmann 728eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 729eacb44dfSMarcel Holtmann do { \ 730eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 731eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 7322eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 733eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 734eacb44dfSMarcel Holtmann } while (0) 735516018a9SMarcel Holtmann 736686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 737e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 738e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 7399b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 740686ebf28SUlisses Furquim 741ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 742e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 7439b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 744ff50e8afSArron Wang #else 745ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 746ff50e8afSArron Wang __u8 *flags) 747ff50e8afSArron Wang { 748ff50e8afSArron Wang return 0; 749ff50e8afSArron Wang } 750ff50e8afSArron Wang 751ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 752ff50e8afSArron Wang { 753ff50e8afSArron Wang } 754ff50e8afSArron Wang #endif 755686ebf28SUlisses Furquim 7561da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 75770f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 75870f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 7591da177e4SLinus Torvalds 76030883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 7611da177e4SLinus Torvalds { 762ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 76330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 76430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 76530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 766da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 76737eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 7681da177e4SLinus Torvalds } 7691da177e4SLinus Torvalds 7700256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 7710256325eSMarcel Holtmann { 77282f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 773da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 7740256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 7750256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 7760256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 7770256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 7782d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 7792d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 7800256325eSMarcel Holtmann } 7810256325eSMarcel Holtmann 78230dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 78330dc78e1SJohan Hedberg 784ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 785ff9ef578SJohan Hedberg 7861da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 7871da177e4SLinus Torvalds { 78830883512SJohan Hedberg return list_empty(&hdev->discovery.all); 7891da177e4SLinus Torvalds } 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 7921da177e4SLinus Torvalds { 79330883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 7941da177e4SLinus Torvalds return jiffies - c->timestamp; 7951da177e4SLinus Torvalds } 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 7981da177e4SLinus Torvalds { 7991da177e4SLinus Torvalds return jiffies - e->timestamp; 8001da177e4SLinus Torvalds } 8011da177e4SLinus Torvalds 8025a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 8035a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 804561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 805561aafbcSJohan Hedberg bdaddr_t *bdaddr); 80630dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 80730dc78e1SJohan Hedberg bdaddr_t *bdaddr, 80830dc78e1SJohan Hedberg int state); 809a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 810a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 811af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 812af58925cSMarcel Holtmann bool name_known); 8131f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 8141da177e4SLinus Torvalds 8151da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 8161da177e4SLinus Torvalds enum { 8171da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 81819f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 8191da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 82004837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 82104837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 822e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 823b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 82458a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 825eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 826abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 82758a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 828af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 8294dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 8304dae2798SJohan Hedberg HCI_CONN_AUTH, 8314dae2798SJohan Hedberg HCI_CONN_SECURE, 8324dae2798SJohan Hedberg HCI_CONN_FIPS, 833fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 834977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 835f94b665dSJohan Hedberg HCI_CONN_DROP, 83689cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 837fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 838158e9218SJakub Pawlowski HCI_CONN_SCANNING, 839160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 8401da177e4SLinus Torvalds }; 8411da177e4SLinus Torvalds 842aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 843aa64a8b5SJohan Hedberg { 844aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 845d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 846c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 847aa64a8b5SJohan Hedberg } 848aa64a8b5SJohan Hedberg 849eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 850eb9a8f3fSMarcel Holtmann { 851eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 852d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 853eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 854eb9a8f3fSMarcel Holtmann } 855eb9a8f3fSMarcel Holtmann 8561da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 8571da177e4SLinus Torvalds { 8581da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 859bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 860fcd89c09SVille Tervo switch (c->type) { 861fcd89c09SVille Tervo case ACL_LINK: 8621da177e4SLinus Torvalds h->acl_num++; 863fcd89c09SVille Tervo break; 864bd1eb66bSAndrei Emeltchenko case AMP_LINK: 865bd1eb66bSAndrei Emeltchenko h->amp_num++; 866bd1eb66bSAndrei Emeltchenko break; 867fcd89c09SVille Tervo case LE_LINK: 868fcd89c09SVille Tervo h->le_num++; 869f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 870f8218dc6SJohan Hedberg h->le_num_slave++; 871fcd89c09SVille Tervo break; 872fcd89c09SVille Tervo case SCO_LINK: 873fcd89c09SVille Tervo case ESCO_LINK: 8741da177e4SLinus Torvalds h->sco_num++; 875fcd89c09SVille Tervo break; 876fcd89c09SVille Tervo } 8771da177e4SLinus Torvalds } 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 8801da177e4SLinus Torvalds { 8811da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 882bf4c6325SGustavo F. Padovan 883bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 884bf4c6325SGustavo F. Padovan synchronize_rcu(); 885bf4c6325SGustavo F. Padovan 886fcd89c09SVille Tervo switch (c->type) { 887fcd89c09SVille Tervo case ACL_LINK: 8881da177e4SLinus Torvalds h->acl_num--; 889fcd89c09SVille Tervo break; 890bd1eb66bSAndrei Emeltchenko case AMP_LINK: 891bd1eb66bSAndrei Emeltchenko h->amp_num--; 892bd1eb66bSAndrei Emeltchenko break; 893fcd89c09SVille Tervo case LE_LINK: 894fcd89c09SVille Tervo h->le_num--; 895f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 896f8218dc6SJohan Hedberg h->le_num_slave--; 897fcd89c09SVille Tervo break; 898fcd89c09SVille Tervo case SCO_LINK: 899fcd89c09SVille Tervo case ESCO_LINK: 9001da177e4SLinus Torvalds h->sco_num--; 901fcd89c09SVille Tervo break; 902fcd89c09SVille Tervo } 9031da177e4SLinus Torvalds } 9041da177e4SLinus Torvalds 90552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 90652087a79SLuiz Augusto von Dentz { 90752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 90852087a79SLuiz Augusto von Dentz switch (type) { 90952087a79SLuiz Augusto von Dentz case ACL_LINK: 91052087a79SLuiz Augusto von Dentz return h->acl_num; 911bd1eb66bSAndrei Emeltchenko case AMP_LINK: 912bd1eb66bSAndrei Emeltchenko return h->amp_num; 91352087a79SLuiz Augusto von Dentz case LE_LINK: 91452087a79SLuiz Augusto von Dentz return h->le_num; 91552087a79SLuiz Augusto von Dentz case SCO_LINK: 91652087a79SLuiz Augusto von Dentz case ESCO_LINK: 91752087a79SLuiz Augusto von Dentz return h->sco_num; 91852087a79SLuiz Augusto von Dentz default: 91952087a79SLuiz Augusto von Dentz return 0; 92052087a79SLuiz Augusto von Dentz } 92152087a79SLuiz Augusto von Dentz } 92252087a79SLuiz Augusto von Dentz 923f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 924f4f07505SJohan Hedberg { 925f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 926f4f07505SJohan Hedberg 927f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 928f4f07505SJohan Hedberg } 929f4f07505SJohan Hedberg 930845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 931845472e8SMarcel Holtmann { 932845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 933845472e8SMarcel Holtmann struct hci_conn *c; 934845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 935845472e8SMarcel Holtmann 936845472e8SMarcel Holtmann rcu_read_lock(); 937845472e8SMarcel Holtmann 938845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 939845472e8SMarcel Holtmann if (c->handle == handle) { 940845472e8SMarcel Holtmann type = c->type; 941845472e8SMarcel Holtmann break; 942845472e8SMarcel Holtmann } 943845472e8SMarcel Holtmann } 944845472e8SMarcel Holtmann 945845472e8SMarcel Holtmann rcu_read_unlock(); 946845472e8SMarcel Holtmann 947845472e8SMarcel Holtmann return type; 948845472e8SMarcel Holtmann } 949845472e8SMarcel Holtmann 9501da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 9511da177e4SLinus Torvalds __u16 handle) 9521da177e4SLinus Torvalds { 9531da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9541da177e4SLinus Torvalds struct hci_conn *c; 9551da177e4SLinus Torvalds 956bf4c6325SGustavo F. Padovan rcu_read_lock(); 957bf4c6325SGustavo F. Padovan 958bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 959bf4c6325SGustavo F. Padovan if (c->handle == handle) { 960bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9611da177e4SLinus Torvalds return c; 9621da177e4SLinus Torvalds } 963bf4c6325SGustavo F. Padovan } 964bf4c6325SGustavo F. Padovan rcu_read_unlock(); 965bf4c6325SGustavo F. Padovan 9661da177e4SLinus Torvalds return NULL; 9671da177e4SLinus Torvalds } 9681da177e4SLinus Torvalds 9691da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 9701da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 9711da177e4SLinus Torvalds { 9721da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 9731da177e4SLinus Torvalds struct hci_conn *c; 9741da177e4SLinus Torvalds 975bf4c6325SGustavo F. Padovan rcu_read_lock(); 976bf4c6325SGustavo F. Padovan 977bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 978bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 979bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9801da177e4SLinus Torvalds return c; 9811da177e4SLinus Torvalds } 982bf4c6325SGustavo F. Padovan } 983bf4c6325SGustavo F. Padovan 984bf4c6325SGustavo F. Padovan rcu_read_unlock(); 985bf4c6325SGustavo F. Padovan 9861da177e4SLinus Torvalds return NULL; 9871da177e4SLinus Torvalds } 9881da177e4SLinus Torvalds 9891b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 9901b51c7b6SJohan Hedberg bdaddr_t *ba, 9911b51c7b6SJohan Hedberg __u8 ba_type) 9921b51c7b6SJohan Hedberg { 9931b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 9941b51c7b6SJohan Hedberg struct hci_conn *c; 9951b51c7b6SJohan Hedberg 9961b51c7b6SJohan Hedberg rcu_read_lock(); 9971b51c7b6SJohan Hedberg 9981b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 9991b51c7b6SJohan Hedberg if (c->type != LE_LINK) 10001b51c7b6SJohan Hedberg continue; 10011b51c7b6SJohan Hedberg 10021b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 10031b51c7b6SJohan Hedberg rcu_read_unlock(); 10041b51c7b6SJohan Hedberg return c; 10051b51c7b6SJohan Hedberg } 10061b51c7b6SJohan Hedberg } 10071b51c7b6SJohan Hedberg 10081b51c7b6SJohan Hedberg rcu_read_unlock(); 10091b51c7b6SJohan Hedberg 10101b51c7b6SJohan Hedberg return NULL; 10111b51c7b6SJohan Hedberg } 10121b51c7b6SJohan Hedberg 10134c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 10144c67bc74SMarcel Holtmann __u8 type, __u16 state) 10154c67bc74SMarcel Holtmann { 10164c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 10174c67bc74SMarcel Holtmann struct hci_conn *c; 10184c67bc74SMarcel Holtmann 1019bf4c6325SGustavo F. Padovan rcu_read_lock(); 1020bf4c6325SGustavo F. Padovan 1021bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 1022bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 1023bf4c6325SGustavo F. Padovan rcu_read_unlock(); 10244c67bc74SMarcel Holtmann return c; 10254c67bc74SMarcel Holtmann } 1026bf4c6325SGustavo F. Padovan } 1027bf4c6325SGustavo F. Padovan 1028bf4c6325SGustavo F. Padovan rcu_read_unlock(); 1029bf4c6325SGustavo F. Padovan 10304c67bc74SMarcel Holtmann return NULL; 10314c67bc74SMarcel Holtmann } 10324c67bc74SMarcel Holtmann 1033e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1034e7d9ab73SJakub Pawlowski { 1035e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 1036e7d9ab73SJakub Pawlowski struct hci_conn *c; 1037e7d9ab73SJakub Pawlowski 1038e7d9ab73SJakub Pawlowski rcu_read_lock(); 1039e7d9ab73SJakub Pawlowski 1040e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 1041e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 1042e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1043e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1044e7d9ab73SJakub Pawlowski return c; 1045e7d9ab73SJakub Pawlowski } 1046e7d9ab73SJakub Pawlowski } 1047e7d9ab73SJakub Pawlowski 1048e7d9ab73SJakub Pawlowski rcu_read_unlock(); 1049e7d9ab73SJakub Pawlowski 1050e7d9ab73SJakub Pawlowski return NULL; 1051e7d9ab73SJakub Pawlowski } 1052e7d9ab73SJakub Pawlowski 1053e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 10542dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1055e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 10561da177e4SLinus Torvalds 1057a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1058a5c4e309SJohan Hedberg u8 role); 10591da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 10601da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 1061a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 10621da177e4SLinus Torvalds 106373d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 10649472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 10652c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 106642c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 106773d80debSLuiz Augusto von Dentz 1068f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1069f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 107076b13996SManish Mandlik u16 conn_timeout, 107176b13996SManish Mandlik enum conn_reasons conn_reason); 107204a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1073cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 1074082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 107504a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 107676b13996SManish Mandlik u8 sec_level, u8 auth_type, 107776b13996SManish Mandlik enum conn_reasons conn_reason); 107810c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 107910c62ddcSFrédéric Dalleau __u16 setting); 1080e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 1081b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1082e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1083e7cafc45SJohan Hedberg bool initiator); 10848c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 10851da177e4SLinus Torvalds 108614b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 10871da177e4SLinus Torvalds 108806c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 108906c053fbSAndre Guedes 10908d12356fSDavid Herrmann /* 10918d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 10928d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 10938d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 10948d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 10958d12356fSDavid Herrmann * other constant data. 10968d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 10978d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 10988d12356fSDavid Herrmann * get dropped, though. 10998d12356fSDavid Herrmann * 11008d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 11018d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 11028d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 11038d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 11048d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 11058d12356fSDavid Herrmann * hci_conn_add()). 11068d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 11078d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 11088d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 11098d12356fSDavid Herrmann */ 11108d12356fSDavid Herrmann 111151bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 11128d12356fSDavid Herrmann { 11138d12356fSDavid Herrmann get_device(&conn->dev); 111451bb8457SJohan Hedberg return conn; 11158d12356fSDavid Herrmann } 11168d12356fSDavid Herrmann 11178d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 11188d12356fSDavid Herrmann { 11198d12356fSDavid Herrmann put_device(&conn->dev); 11208d12356fSDavid Herrmann } 11218d12356fSDavid Herrmann 11221da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 11231da177e4SLinus Torvalds { 112471becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 112538b3fef1SAndrei Emeltchenko 11261da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 11272f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 11281da177e4SLinus Torvalds } 11291da177e4SLinus Torvalds 113076a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 11311da177e4SLinus Torvalds { 113271becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 113338b3fef1SAndrei Emeltchenko 11341da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 113504837f64SMarcel Holtmann unsigned long timeo; 1136716e4ab5SAndrei Emeltchenko 1137716e4ab5SAndrei Emeltchenko switch (conn->type) { 1138716e4ab5SAndrei Emeltchenko case ACL_LINK: 1139716e4ab5SAndrei Emeltchenko case LE_LINK: 1140a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 11416ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 11425f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 114304837f64SMarcel Holtmann if (!conn->out) 1144052b30b0SMarcel Holtmann timeo *= 2; 11455a9d0a3fSWaldemar Rymarkiewicz } else { 1146eb78d7e5SJohan Hedberg timeo = 0; 11475a9d0a3fSWaldemar Rymarkiewicz } 1148716e4ab5SAndrei Emeltchenko break; 1149716e4ab5SAndrei Emeltchenko 1150716e4ab5SAndrei Emeltchenko case AMP_LINK: 1151716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1152716e4ab5SAndrei Emeltchenko break; 1153716e4ab5SAndrei Emeltchenko 1154716e4ab5SAndrei Emeltchenko default: 1155eb78d7e5SJohan Hedberg timeo = 0; 1156716e4ab5SAndrei Emeltchenko break; 11575a9d0a3fSWaldemar Rymarkiewicz } 1158716e4ab5SAndrei Emeltchenko 11592f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 116019c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 11611931782bSVinicius Costa Gomes &conn->disc_work, timeo); 11621da177e4SLinus Torvalds } 11631da177e4SLinus Torvalds } 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1166dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 11671da177e4SLinus Torvalds { 1168376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11692c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1170376261aeSAndrei Emeltchenko 11714c724c71SDavid Herrmann put_device(&d->dev); 1172010666a1SDavid Herrmann } 11731da177e4SLinus Torvalds 1174dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 11751da177e4SLinus Torvalds { 1176376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 11772c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1178376261aeSAndrei Emeltchenko 11794c724c71SDavid Herrmann get_device(&d->dev); 11801da177e4SLinus Torvalds return d; 11811da177e4SLinus Torvalds } 11821da177e4SLinus Torvalds 118309fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 118409fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 11851da177e4SLinus Torvalds 1186aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 11873dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1188aa2b86d7SDavid Herrmann 1189155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1190155961e8SDavid Herrmann { 1191155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1192155961e8SDavid Herrmann } 1193155961e8SDavid Herrmann 1194155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1195155961e8SDavid Herrmann { 1196155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1197155961e8SDavid Herrmann } 1198155961e8SDavid Herrmann 11991da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 120039385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 12031da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 12041da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 120559735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 12061da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 12071da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 120875e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1209f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1210f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 12111aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 12121aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1213145373cbSMiao-chen Chou 1214145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1215145373cbSMiao-chen Chou { 1216145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1217145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1218145373cbSMiao-chen Chou #endif 1219145373cbSMiao-chen Chou } 1220145373cbSMiao-chen Chou 12211da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 12221da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 12236b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 12241da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 12251da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 12261da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 12271da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 12281da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 12291da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 12301da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 123140be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 12321da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 12331da177e4SLinus Torvalds 1234dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1235b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1236b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1237b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1238b950aa88SAnkit Navik u8 type); 12398baaa403SAbhishek Pandit-Subedi struct bdaddr_list_with_flags * 12408baaa403SAbhishek Pandit-Subedi hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12418baaa403SAbhishek Pandit-Subedi u8 type); 1242dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1243b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1244b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 12458baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12468baaa403SAbhishek Pandit-Subedi u8 type, u32 flags); 1247dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1248b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1249b950aa88SAnkit Navik u8 type); 12508baaa403SAbhishek Pandit-Subedi int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 12518baaa403SAbhishek Pandit-Subedi u8 type); 1252dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1253d2ab0ac1SMarcel Holtmann 125415819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 125515819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 125651d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 125751d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 125815819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 125955af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 126015819a70SAndre Guedes 1261501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1262501f8827SJohan Hedberg bdaddr_t *addr, 1263501f8827SJohan Hedberg u8 addr_type); 126477a77a30SAndre Guedes 126535f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 12662aeb9a1aSJohan Hedberg 126735f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 126855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1269567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 12707652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 12717652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1272ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 127335d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1274fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1275f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1276e804d25dSJohan Hedberg u8 addr_type, u8 role); 1277e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 127835f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 127955ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 128055ed8ca1SJohan Hedberg 1281970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1282970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1283970c4e46SJohan Hedberg u8 addr_type); 1284ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1285ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1286a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1287600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1288600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1289970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1290970c4e46SJohan Hedberg 129155e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 129255e76b38SJohan Hedberg 129335f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 12942763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 12956928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 12960798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12976928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 129838da1703SJohan Hedberg u8 *hash256, u8 *rand256); 12996928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 13006928a924SJohan Hedberg u8 bdaddr_type); 13012763eda6SSzymon Janc 1302d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1303d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1304d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1305d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1306d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1307d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1308*9bf9f4b6SDaniel Winkler u16 timeout, u16 duration, s8 tx_power, 1309*9bf9f4b6SDaniel Winkler u32 min_interval, u32 max_interval); 131031aab5c2SDaniel Winkler int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 131131aab5c2SDaniel Winkler u16 adv_data_len, u8 *adv_data, 131231aab5c2SDaniel Winkler u16 scan_rsp_len, u8 *scan_rsp_data); 1313d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1314a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1315d2609b34SFlorian Grandel 1316e5e1e7fdSMiao-chen Chou void hci_adv_monitors_clear(struct hci_dev *hdev); 1317b139553dSMiao-chen Chou void hci_free_adv_monitor(struct adv_monitor *monitor); 1318b139553dSMiao-chen Chou int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1319bd2fbc6cSMiao-chen Chou int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle); 13208208f5a9SMiao-chen Chou bool hci_is_adv_monitoring(struct hci_dev *hdev); 1321e5e1e7fdSMiao-chen Chou 13221da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 13231da177e4SLinus Torvalds 13240ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1325a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1326b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1327b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 13281da177e4SLinus Torvalds 13296935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1332cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1333cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1334cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1335cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1336cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1337cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1338cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1339cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1340cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1341cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1342cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1343cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1344cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1345cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1346cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1347cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1348cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1349cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 135007a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 13515075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 13525075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 13535075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 13545075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 13551da177e4SLinus Torvalds 1356eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 135753b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 135853b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 135953b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 136053b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1361d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1362d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 136353b834d2SMarcel Holtmann 136453b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1365cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1366d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1367cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1368cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1369eead27daSAndre Guedes 1370d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1371d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 137205b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1373d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1374432df05eSJohan Hedberg 137545bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 137645bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 137745bdd86eSJaganath Kanakkassery 137845bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 137945bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 138045bdd86eSJaganath Kanakkassery 138145bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 138245bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 138345bdd86eSJaganath Kanakkassery 1384e1d57235SMarcel Holtmann /* Use LL Privacy based address resolution if supported */ 1385e1d57235SMarcel Holtmann #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1386e1d57235SMarcel Holtmann 1387a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1388a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1389a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 13904d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 13914d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1392a2344b9eSJaganath Kanakkassery 13936b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 13946b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 13956b49bcb4SJaganath Kanakkassery 13961da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 139720714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 139820714bfeSFrédéric Dalleau 13995a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 140020714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 14011da177e4SLinus Torvalds { 1402686ebf28SUlisses Furquim switch (type) { 1403686ebf28SUlisses Furquim case ACL_LINK: 1404686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 14051da177e4SLinus Torvalds 1406686ebf28SUlisses Furquim case SCO_LINK: 1407686ebf28SUlisses Furquim case ESCO_LINK: 140820714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 14091da177e4SLinus Torvalds 1410686ebf28SUlisses Furquim default: 1411686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1412686ebf28SUlisses Furquim return -EINVAL; 1413686ebf28SUlisses Furquim } 14141da177e4SLinus Torvalds } 14151da177e4SLinus Torvalds 14162950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 14172950f21aSMarcel Holtmann { 1418686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1419686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 14202950f21aSMarcel Holtmann 1421686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 14222950f21aSMarcel Holtmann } 14232950f21aSMarcel Holtmann 14241da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 14251da177e4SLinus Torvalds struct hci_cb { 14261da177e4SLinus Torvalds struct list_head list; 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvalds char *name; 14291da177e4SLinus Torvalds 1430539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 14313a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 14325a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 14335a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 14341da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 14351da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 14361da177e4SLinus Torvalds }; 14371da177e4SLinus Torvalds 1438539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1439539c496dSJohan Hedberg { 1440539c496dSJohan Hedberg struct hci_cb *cb; 1441539c496dSJohan Hedberg 1442539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1443539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1444539c496dSJohan Hedberg if (cb->connect_cfm) 1445539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1446539c496dSJohan Hedberg } 1447539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1448539c496dSJohan Hedberg 1449539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1450539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1451539c496dSJohan Hedberg } 1452539c496dSJohan Hedberg 14533a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 14543a6d576bSJohan Hedberg { 14553a6d576bSJohan Hedberg struct hci_cb *cb; 14563a6d576bSJohan Hedberg 14573a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 14583a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 14593a6d576bSJohan Hedberg if (cb->disconn_cfm) 14603a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 14613a6d576bSJohan Hedberg } 14623a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 14633a6d576bSJohan Hedberg 14643a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 14653a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 14663a6d576bSJohan Hedberg } 14673a6d576bSJohan Hedberg 14681da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 14691da177e4SLinus Torvalds { 1470711584eaSDenis Kirjanov struct hci_cb *cb; 14718c1b2355SMarcel Holtmann __u8 encrypt; 14721da177e4SLinus Torvalds 147351a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 14748c1b2355SMarcel Holtmann return; 14758c1b2355SMarcel Holtmann 14764dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 14778c1b2355SMarcel Holtmann 1478fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1479711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 14808c1b2355SMarcel Holtmann if (cb->security_cfm) 14818c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 14821da177e4SLinus Torvalds } 1483fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1484354fe804SJohan Hedberg 1485354fe804SJohan Hedberg if (conn->security_cfm_cb) 1486354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 14871da177e4SLinus Torvalds } 14881da177e4SLinus Torvalds 14893ca44c16SLuiz Augusto von Dentz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 14901da177e4SLinus Torvalds { 1491711584eaSDenis Kirjanov struct hci_cb *cb; 14923ca44c16SLuiz Augusto von Dentz __u8 encrypt; 14933ca44c16SLuiz Augusto von Dentz 14943ca44c16SLuiz Augusto von Dentz if (conn->state == BT_CONFIG) { 1495339ddaa6SPatrick Steinhardt if (!status) 14963ca44c16SLuiz Augusto von Dentz conn->state = BT_CONNECTED; 14973ca44c16SLuiz Augusto von Dentz 14983ca44c16SLuiz Augusto von Dentz hci_connect_cfm(conn, status); 14993ca44c16SLuiz Augusto von Dentz hci_conn_drop(conn); 15003ca44c16SLuiz Augusto von Dentz return; 15013ca44c16SLuiz Augusto von Dentz } 15023ca44c16SLuiz Augusto von Dentz 15033ca44c16SLuiz Augusto von Dentz if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 15043ca44c16SLuiz Augusto von Dentz encrypt = 0x00; 15053ca44c16SLuiz Augusto von Dentz else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 15063ca44c16SLuiz Augusto von Dentz encrypt = 0x02; 15073ca44c16SLuiz Augusto von Dentz else 15083ca44c16SLuiz Augusto von Dentz encrypt = 0x01; 15091da177e4SLinus Torvalds 15108746f135SLuiz Augusto von Dentz if (!status) { 1511435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1512435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1513435fef20SMarcel Holtmann 151488167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 151588167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 15168746f135SLuiz Augusto von Dentz } 151788167aedSVinicius Costa Gomes 1518fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1519711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15208c1b2355SMarcel Holtmann if (cb->security_cfm) 15218c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 15221da177e4SLinus Torvalds } 1523fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1524354fe804SJohan Hedberg 1525354fe804SJohan Hedberg if (conn->security_cfm_cb) 1526354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 15271da177e4SLinus Torvalds } 15281da177e4SLinus Torvalds 15291da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 15301da177e4SLinus Torvalds { 1531711584eaSDenis Kirjanov struct hci_cb *cb; 15321da177e4SLinus Torvalds 1533fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1534711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15351da177e4SLinus Torvalds if (cb->key_change_cfm) 15361da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 15371da177e4SLinus Torvalds } 1538fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15391da177e4SLinus Torvalds } 15401da177e4SLinus Torvalds 15415a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 15425a9d0a3fSWaldemar Rymarkiewicz __u8 role) 15431da177e4SLinus Torvalds { 1544711584eaSDenis Kirjanov struct hci_cb *cb; 15451da177e4SLinus Torvalds 1546fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1547711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 15481da177e4SLinus Torvalds if (cb->role_switch_cfm) 15491da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 15501da177e4SLinus Torvalds } 1551fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 15521da177e4SLinus Torvalds } 15531da177e4SLinus Torvalds 15540d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 15550d3b7f64SJohan Hedberg size_t *data_len) 15566759a675SJohan Hedberg { 155784d9d071SJohan Hedberg size_t parsed = 0; 15586759a675SJohan Hedberg 15590d3b7f64SJohan Hedberg if (eir_len < 2) 15600d3b7f64SJohan Hedberg return NULL; 15616c0c331eSJohan Hedberg 15620d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 15630d3b7f64SJohan Hedberg u8 field_len = eir[0]; 15646759a675SJohan Hedberg 15656759a675SJohan Hedberg if (field_len == 0) 15666759a675SJohan Hedberg break; 15676759a675SJohan Hedberg 15686759a675SJohan Hedberg parsed += field_len + 1; 15696759a675SJohan Hedberg 15700d3b7f64SJohan Hedberg if (parsed > eir_len) 15716759a675SJohan Hedberg break; 15726759a675SJohan Hedberg 15730d3b7f64SJohan Hedberg if (eir[1] != type) { 15740d3b7f64SJohan Hedberg eir += field_len + 1; 15750d3b7f64SJohan Hedberg continue; 15766759a675SJohan Hedberg } 15776759a675SJohan Hedberg 15780d3b7f64SJohan Hedberg /* Zero length data */ 15790d3b7f64SJohan Hedberg if (field_len == 1) 15800d3b7f64SJohan Hedberg return NULL; 15810d3b7f64SJohan Hedberg 15820d3b7f64SJohan Hedberg if (data_len) 15830d3b7f64SJohan Hedberg *data_len = field_len - 1; 15840d3b7f64SJohan Hedberg 15850d3b7f64SJohan Hedberg return &eir[2]; 15860d3b7f64SJohan Hedberg } 15870d3b7f64SJohan Hedberg 15880d3b7f64SJohan Hedberg return NULL; 15896759a675SJohan Hedberg } 15906759a675SJohan Hedberg 1591301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1592301cb2d8SJohan Hedberg { 1593dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1594301cb2d8SJohan Hedberg return false; 1595301cb2d8SJohan Hedberg 1596301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1597301cb2d8SJohan Hedberg return true; 1598301cb2d8SJohan Hedberg 1599301cb2d8SJohan Hedberg return false; 1600301cb2d8SJohan Hedberg } 1601301cb2d8SJohan Hedberg 1602c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1603c46245b3SJohan Hedberg { 1604c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1605c46245b3SJohan Hedberg return true; 1606c46245b3SJohan Hedberg 1607c46245b3SJohan Hedberg /* Check for Random Static address type */ 1608c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1609c46245b3SJohan Hedberg return true; 1610c46245b3SJohan Hedberg 1611c46245b3SJohan Hedberg return false; 1612c46245b3SJohan Hedberg } 1613c46245b3SJohan Hedberg 16142426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 16152426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 16162426f3a5SJohan Hedberg { 16172426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 16182426f3a5SJohan Hedberg return NULL; 16192426f3a5SJohan Hedberg 16202426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 16212426f3a5SJohan Hedberg } 16222426f3a5SJohan Hedberg 1623d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1624d4905f24SAndre Guedes u16 to_multiplier) 1625d4905f24SAndre Guedes { 1626d4905f24SAndre Guedes u16 max_latency; 1627d4905f24SAndre Guedes 1628d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1629d4905f24SAndre Guedes return -EINVAL; 1630d4905f24SAndre Guedes 1631d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1632d4905f24SAndre Guedes return -EINVAL; 1633d4905f24SAndre Guedes 1634d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1635d4905f24SAndre Guedes return -EINVAL; 1636d4905f24SAndre Guedes 16378757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1638d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1639d4905f24SAndre Guedes return -EINVAL; 1640d4905f24SAndre Guedes 1641d4905f24SAndre Guedes return 0; 1642d4905f24SAndre Guedes } 1643d4905f24SAndre Guedes 16441da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 16451da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 16461da177e4SLinus Torvalds 164775e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 164807dc93ddSJohan Hedberg const void *param, u32 timeout); 16497b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 165007dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1651d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1652d6ee6ad7SLoic Poulain const void *param); 165375e84b7cSJohan Hedberg 165407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 165507dc93ddSJohan Hedberg const void *param); 165673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 16570d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 16581da177e4SLinus Torvalds 1659a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 16601da177e4SLinus Torvalds 1661fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1662fbef168fSLoic Poulain const void *param, u32 timeout); 1663fbef168fSLoic Poulain 1664eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1665eab2404bSLuiz Augusto von Dentz 16661da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1667470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 16687129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1669c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1670cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 167138ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 167238ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 167338ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 16741da177e4SLinus Torvalds 1675040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1676040030efSMarcel Holtmann 1677a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1678a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1679a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1680a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1681d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1682b9a245fbSJohan Hedberg 1683801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1684801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1685801c1e8dSJohan Hedberg u16 data_len); 1686801c1e8dSJohan Hedberg size_t data_len; 1687b9a245fbSJohan Hedberg unsigned long flags; 1688801c1e8dSJohan Hedberg }; 1689801c1e8dSJohan Hedberg 1690801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1691801c1e8dSJohan Hedberg struct list_head list; 1692801c1e8dSJohan Hedberg unsigned short channel; 1693801c1e8dSJohan Hedberg size_t handler_count; 1694801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 169588b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1696801c1e8dSJohan Hedberg }; 1697801c1e8dSJohan Hedberg 1698801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1699801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1700801c1e8dSJohan Hedberg 17010381101fSJohan Hedberg /* Management interface */ 1702591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1703591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1704591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1705591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1706591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1707591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1708f39799f5SAndre Guedes 17090d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 17100d8cc935SAndre Guedes * Discovery Procedure specification. 17110d8cc935SAndre Guedes */ 17120d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 17130d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 17143d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1715ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 17160d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 17170d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 17184b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1719ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ 1720ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ 17210d8cc935SAndre Guedes 172203c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 172391a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1724bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1725bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 17263eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 17272ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 17282ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1729dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1730745c0ce3SVishal Agarwal bool persistent); 173148ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 173248ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 17339b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 173412d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 173512d4a3b2SJohan Hedberg bool mgmt_connected); 17367892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 173788c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1738445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 173948264f06SJohan Hedberg u8 addr_type, u8 status); 1740ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1741e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1742c35938b2SSzymon Janc u8 status); 17433eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1744744cf19eSJohan Hedberg u8 status); 1745744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 174639adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1747272d90dfSJohan Hedberg u8 confirm_hint); 1748744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1749272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1750272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1751272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1752272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1753272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1754604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1755272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1756272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1757272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 175892a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 175992a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 176092a25256SJohan Hedberg u8 entered); 1761e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1762464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 17633e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 17644e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 17657f9a903cSMarcel Holtmann u8 status); 17667667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1767e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 17682154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1769901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1770af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1771af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 17729cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1773b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 17742f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1775346ce5b7SAbhishek Pandit-Subedi void mgmt_suspending(struct hci_dev *hdev, u8 state); 1776346ce5b7SAbhishek Pandit-Subedi void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1777346ce5b7SAbhishek Pandit-Subedi u8 addr_type); 177884c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 177953ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1780cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 178153ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 178253ac6ab6SMarcel Holtmann bool persistent); 1783ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1784f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1785f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1786f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1787f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 178853c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1789aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1790f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1791f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1792f2252570SJohan Hedberg u8 instance); 1793f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1794f2252570SJohan Hedberg u8 instance); 1795b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1796346af67bSVinicius Costa Gomes 17977d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 17987d6ca693SJohan Hedberg u16 to_multiplier); 1799fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 18008b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 18012519a1fcSAndre Guedes 1802a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1803a1f4c318SJohan Hedberg u8 *bdaddr_type); 1804ebd3a747SJohan Hedberg 18055d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 18065d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 18075d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 18085d4d62f6SFrédéric Dalleau 18091da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1810