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 286d5d2ee6SHeiner Kallweit #include <linux/leds.h> 29b2d09103SIngo Molnar #include <linux/rculist.h> 30b2d09103SIngo Molnar 311da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 32f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 331da177e4SLinus Torvalds 345e59b791SLuiz Augusto von Dentz /* HCI priority */ 355e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 365e59b791SLuiz Augusto von Dentz 371da177e4SLinus Torvalds /* HCI Core structures */ 381da177e4SLinus Torvalds struct inquiry_data { 391da177e4SLinus Torvalds bdaddr_t bdaddr; 401da177e4SLinus Torvalds __u8 pscan_rep_mode; 411da177e4SLinus Torvalds __u8 pscan_period_mode; 421da177e4SLinus Torvalds __u8 pscan_mode; 431da177e4SLinus Torvalds __u8 dev_class[3]; 441ebb9252SMarcel Holtmann __le16 clock_offset; 451da177e4SLinus Torvalds __s8 rssi; 4641a96212SMarcel Holtmann __u8 ssp_mode; 471da177e4SLinus Torvalds }; 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds struct inquiry_entry { 50561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 51561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 52561aafbcSJohan Hedberg enum { 53561aafbcSJohan Hedberg NAME_NOT_KNOWN, 54561aafbcSJohan Hedberg NAME_NEEDED, 55561aafbcSJohan Hedberg NAME_PENDING, 56561aafbcSJohan Hedberg NAME_KNOWN, 57561aafbcSJohan Hedberg } name_state; 581da177e4SLinus Torvalds __u32 timestamp; 591da177e4SLinus Torvalds struct inquiry_data data; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 6230883512SJohan Hedberg struct discovery_state { 634aab14e5SAndre Guedes int type; 64ff9ef578SJohan Hedberg enum { 65ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 66ff9ef578SJohan Hedberg DISCOVERY_STARTING, 67343f935bSAndre Guedes DISCOVERY_FINDING, 6830dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 69ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 70ff9ef578SJohan Hedberg } state; 71561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 72561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 73561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 741da177e4SLinus Torvalds __u32 timestamp; 75b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 76b9a6328fSJohan Hedberg u8 last_adv_addr_type; 77ff5cd29fSJohan Hedberg s8 last_adv_rssi; 78c70a7e4cSMarcel Holtmann u32 last_adv_flags; 79b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 80b9a6328fSJohan Hedberg u8 last_adv_data_len; 81da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8282f8b651SJakub Pawlowski bool result_filtering; 8378b781caSJohan Hedberg bool limited; 8437eab042SJakub Pawlowski s8 rssi; 8537eab042SJakub Pawlowski u16 uuid_count; 8637eab042SJakub Pawlowski u8 (*uuids)[16]; 872d28cfe7SJakub Pawlowski unsigned long scan_start; 882d28cfe7SJakub Pawlowski unsigned long scan_duration; 891da177e4SLinus Torvalds }; 901da177e4SLinus Torvalds 919952d90eSAbhishek Pandit-Subedi #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 929952d90eSAbhishek Pandit-Subedi 939952d90eSAbhishek Pandit-Subedi enum suspend_tasks { 944867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_DISCOVERY, 954867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_DISCOVERY, 964867bd00SAbhishek Pandit-Subedi 974867bd00SAbhishek Pandit-Subedi SUSPEND_PAUSE_ADVERTISING, 984867bd00SAbhishek Pandit-Subedi SUSPEND_UNPAUSE_ADVERTISING, 994867bd00SAbhishek Pandit-Subedi 1004f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_DISABLE, 1014f40afc6SAbhishek Pandit-Subedi SUSPEND_SCAN_ENABLE, 1024f40afc6SAbhishek Pandit-Subedi SUSPEND_DISCONNECTING, 1034f40afc6SAbhishek Pandit-Subedi 1049952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 1059952d90eSAbhishek Pandit-Subedi 1069952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 1079952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 1089952d90eSAbhishek Pandit-Subedi }; 1099952d90eSAbhishek Pandit-Subedi 1109952d90eSAbhishek Pandit-Subedi enum suspended_state { 1119952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1124f40afc6SAbhishek Pandit-Subedi BT_SUSPEND_DISCONNECT, 1130d2c9825SAbhishek Pandit-Subedi BT_SUSPEND_CONFIGURE_WAKE, 1149952d90eSAbhishek Pandit-Subedi }; 1159952d90eSAbhishek Pandit-Subedi 1161da177e4SLinus Torvalds struct hci_conn_hash { 1171da177e4SLinus Torvalds struct list_head list; 1181da177e4SLinus Torvalds unsigned int acl_num; 119bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1201da177e4SLinus Torvalds unsigned int sco_num; 121fcd89c09SVille Tervo unsigned int le_num; 122f8218dc6SJohan Hedberg unsigned int le_num_slave; 1231da177e4SLinus Torvalds }; 1241da177e4SLinus Torvalds 125f0358568SJohan Hedberg struct bdaddr_list { 126f0358568SJohan Hedberg struct list_head list; 127f0358568SJohan Hedberg bdaddr_t bdaddr; 128b9ee0a78SMarcel Holtmann u8 bdaddr_type; 129f0358568SJohan Hedberg }; 1302aeb9a1aSJohan Hedberg 131b950aa88SAnkit Navik struct bdaddr_list_with_irk { 132b950aa88SAnkit Navik struct list_head list; 133b950aa88SAnkit Navik bdaddr_t bdaddr; 134b950aa88SAnkit Navik u8 bdaddr_type; 135b950aa88SAnkit Navik u8 peer_irk[16]; 136b950aa88SAnkit Navik u8 local_irk[16]; 137b950aa88SAnkit Navik }; 138b950aa88SAnkit Navik 1392aeb9a1aSJohan Hedberg struct bt_uuid { 1402aeb9a1aSJohan Hedberg struct list_head list; 1412aeb9a1aSJohan Hedberg u8 uuid[16]; 14283be8ecaSJohan Hedberg u8 size; 1431aff6f09SJohan Hedberg u8 svc_hint; 1442aeb9a1aSJohan Hedberg }; 1452aeb9a1aSJohan Hedberg 146600a8749SAlain Michaud struct blocked_key { 147600a8749SAlain Michaud struct list_head list; 148600a8749SAlain Michaud struct rcu_head rcu; 149600a8749SAlain Michaud u8 type; 150600a8749SAlain Michaud u8 val[16]; 151600a8749SAlain Michaud }; 152600a8749SAlain Michaud 1537ee4ea36SMarcel Holtmann struct smp_csrk { 1547ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1557ee4ea36SMarcel Holtmann u8 bdaddr_type; 1564cd3928aSJohan Hedberg u8 type; 1577ee4ea36SMarcel Holtmann u8 val[16]; 1587ee4ea36SMarcel Holtmann }; 1597ee4ea36SMarcel Holtmann 160b899efafSVinicius Costa Gomes struct smp_ltk { 161b899efafSVinicius Costa Gomes struct list_head list; 162970d0f1bSJohan Hedberg struct rcu_head rcu; 163b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 164b899efafSVinicius Costa Gomes u8 bdaddr_type; 165b899efafSVinicius Costa Gomes u8 authenticated; 166b899efafSVinicius Costa Gomes u8 type; 167b899efafSVinicius Costa Gomes u8 enc_size; 168b899efafSVinicius Costa Gomes __le16 ediv; 169fe39c7b2SMarcel Holtmann __le64 rand; 170b899efafSVinicius Costa Gomes u8 val[16]; 17103c515d7SMarcel Holtmann }; 172b899efafSVinicius Costa Gomes 173970c4e46SJohan Hedberg struct smp_irk { 174970c4e46SJohan Hedberg struct list_head list; 175adae20cbSJohan Hedberg struct rcu_head rcu; 176970c4e46SJohan Hedberg bdaddr_t rpa; 177970c4e46SJohan Hedberg bdaddr_t bdaddr; 178970c4e46SJohan Hedberg u8 addr_type; 179970c4e46SJohan Hedberg u8 val[16]; 180970c4e46SJohan Hedberg }; 181970c4e46SJohan Hedberg 18255ed8ca1SJohan Hedberg struct link_key { 18355ed8ca1SJohan Hedberg struct list_head list; 1840378b597SJohan Hedberg struct rcu_head rcu; 18555ed8ca1SJohan Hedberg bdaddr_t bdaddr; 18655ed8ca1SJohan Hedberg u8 type; 1879b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 18855ed8ca1SJohan Hedberg u8 pin_len; 18955ed8ca1SJohan Hedberg }; 19055ed8ca1SJohan Hedberg 1912763eda6SSzymon Janc struct oob_data { 1922763eda6SSzymon Janc struct list_head list; 1932763eda6SSzymon Janc bdaddr_t bdaddr; 1946928a924SJohan Hedberg u8 bdaddr_type; 195f7697b16SMarcel Holtmann u8 present; 196519ca9d0SMarcel Holtmann u8 hash192[16]; 19738da1703SJohan Hedberg u8 rand192[16]; 198519ca9d0SMarcel Holtmann u8 hash256[16]; 19938da1703SJohan Hedberg u8 rand256[16]; 2002763eda6SSzymon Janc }; 2012763eda6SSzymon Janc 202203fea01SArman Uguray struct adv_info { 203d2609b34SFlorian Grandel struct list_head list; 204fffd38bcSFlorian Grandel bool pending; 205203fea01SArman Uguray __u8 instance; 206203fea01SArman Uguray __u32 flags; 207912098a6SArman Uguray __u16 timeout; 2085d900e46SFlorian Grandel __u16 remaining_time; 209d2609b34SFlorian Grandel __u16 duration; 210203fea01SArman Uguray __u16 adv_data_len; 211203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 212203fea01SArman Uguray __u16 scan_rsp_len; 213203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 214de181e88SJaganath Kanakkassery __s8 tx_power; 215a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 216a73c046aSJaganath Kanakkassery bool rpa_expired; 217a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 218203fea01SArman Uguray }; 219203fea01SArman Uguray 220db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 221d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 222d2609b34SFlorian Grandel 223490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 224490c5babSJohan Hedberg 225d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 226d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 227d5bb334aSMarcel Holtmann 228d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 229d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 230d6bfd59cSJohan Hedberg 23131ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 23231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 23331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 234302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 235302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 23631ad1691SAndrzej Kaczmarek 237903e4541SAndrei Emeltchenko struct amp_assoc { 238903e4541SAndrei Emeltchenko __u16 len; 239903e4541SAndrei Emeltchenko __u16 offset; 24093c284eeSAndrei Emeltchenko __u16 rem_len; 24193c284eeSAndrei Emeltchenko __u16 len_so_far; 242903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 243903e4541SAndrei Emeltchenko }; 244903e4541SAndrei Emeltchenko 245d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 246cad718edSJohan Hedberg 2471da177e4SLinus Torvalds struct hci_dev { 2481da177e4SLinus Torvalds struct list_head list; 24909fd0de5SGustavo F. Padovan struct mutex lock; 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds char name[8]; 2521da177e4SLinus Torvalds unsigned long flags; 2531da177e4SLinus Torvalds __u16 id; 254c13854ceSMarcel Holtmann __u8 bus; 255943da25dSMarcel Holtmann __u8 dev_type; 2561da177e4SLinus Torvalds bdaddr_t bdaddr; 257e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 25824c457e2SMarcel Holtmann bdaddr_t public_addr; 2597a4cd51dSMarcel Holtmann bdaddr_t random_addr; 260d13eafceSMarcel Holtmann bdaddr_t static_addr; 26156ed2cb8SJohan Hedberg __u8 adv_addr_type; 2621f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 263490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 26480a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 265c4960ecfSMichał Narajowski __u16 appearance; 266a9de9248SMarcel Holtmann __u8 dev_class[3]; 2671aff6f09SJohan Hedberg __u8 major_class; 2681aff6f09SJohan Hedberg __u8 minor_class; 269d2c5d77fSJohan Hedberg __u8 max_page; 270cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 27160e77321SJohan Hedberg __u8 le_features[8]; 272cf1d081fSJohan Hedberg __u8 le_white_list_size; 273cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 2746b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 2759b008c04SJohan Hedberg __u8 le_states[8]; 276a9de9248SMarcel Holtmann __u8 commands[64]; 2771143e5a6SMarcel Holtmann __u8 hci_ver; 2781143e5a6SMarcel Holtmann __u16 hci_rev; 279d5859e22SJohan Hedberg __u8 lmp_ver; 2801143e5a6SMarcel Holtmann __u16 manufacturer; 2817d69230cSAndrei Emeltchenko __u16 lmp_subver; 2821da177e4SLinus Torvalds __u16 voice_setting; 283b4cb9fb2SMarcel Holtmann __u8 num_iac; 284c2f0f979SMarcel Holtmann __u8 stored_max_keys; 285c2f0f979SMarcel Holtmann __u8 stored_num_keys; 28617fa4b9dSJohan Hedberg __u8 io_capability; 28791c4e9b1SMarcel Holtmann __s8 inq_tx_power; 28800bce3fbSAlain Michaud __u8 err_data_reporting; 289f332ec66SJohan Hedberg __u16 page_scan_interval; 290f332ec66SJohan Hedberg __u16 page_scan_window; 291f332ec66SJohan Hedberg __u8 page_scan_type; 2923f959d46SMarcel Holtmann __u8 le_adv_channel_map; 293628531c9SGeorg Lukas __u16 le_adv_min_interval; 294628531c9SGeorg Lukas __u16 le_adv_max_interval; 295533553f8SMarcel Holtmann __u8 le_scan_type; 296bef64738SMarcel Holtmann __u16 le_scan_interval; 297bef64738SMarcel Holtmann __u16 le_scan_window; 2984e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2994e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 30004fb7d90SMarcel Holtmann __u16 le_conn_latency; 30104fb7d90SMarcel Holtmann __u16 le_supv_timeout; 302a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 303a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 304a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 305a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 306a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 307a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 30830d65e08SMatias Karhumaa __u8 le_max_key_size; 30930d65e08SMatias Karhumaa __u8 le_min_key_size; 310b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 31131ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 31231ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 313302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 31458a96fc3SMarcel Holtmann __u8 min_enc_key_size; 315a4790360SMarcel Holtmann __u8 max_enc_key_size; 316a4790360SMarcel Holtmann __u8 pairing_opts; 31706f5b778SMarcel Holtmann __u8 ssp_debug_mode; 318c7741d16SMarcel Holtmann __u8 hw_error_code; 31933f35721SJohan Hedberg __u32 clock; 320f332ec66SJohan Hedberg 3212b9be137SMarcel Holtmann __u16 devid_source; 3222b9be137SMarcel Holtmann __u16 devid_vendor; 3232b9be137SMarcel Holtmann __u16 devid_product; 3242b9be137SMarcel Holtmann __u16 devid_version; 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds __u16 pkt_type; 3275b7f9909SMarcel Holtmann __u16 esco_type; 3281da177e4SLinus Torvalds __u16 link_policy; 3291da177e4SLinus Torvalds __u16 link_mode; 3301da177e4SLinus Torvalds 33104837f64SMarcel Holtmann __u32 idle_timeout; 33204837f64SMarcel Holtmann __u16 sniff_min_interval; 33304837f64SMarcel Holtmann __u16 sniff_max_interval; 33404837f64SMarcel Holtmann 335928abaa7SAndrei Emeltchenko __u8 amp_status; 336928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 337928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 338928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 339928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 340928abaa7SAndrei Emeltchenko __u8 amp_type; 341928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 342928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 343928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 344928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 345928abaa7SAndrei Emeltchenko 346903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 347903e4541SAndrei Emeltchenko 3481e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 3491e89cffbSAndrei Emeltchenko 3509f61656aSJohan Hedberg unsigned int auto_accept_delay; 3519f61656aSJohan Hedberg 3521da177e4SLinus Torvalds unsigned long quirks; 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds atomic_t cmd_cnt; 3551da177e4SLinus Torvalds unsigned int acl_cnt; 3561da177e4SLinus Torvalds unsigned int sco_cnt; 3576ed58ec5SVille Tervo unsigned int le_cnt; 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds unsigned int acl_mtu; 3601da177e4SLinus Torvalds unsigned int sco_mtu; 3616ed58ec5SVille Tervo unsigned int le_mtu; 3621da177e4SLinus Torvalds unsigned int acl_pkts; 3631da177e4SLinus Torvalds unsigned int sco_pkts; 3646ed58ec5SVille Tervo unsigned int le_pkts; 3651da177e4SLinus Torvalds 366350ee4cfSAndrei Emeltchenko __u16 block_len; 367350ee4cfSAndrei Emeltchenko __u16 block_mtu; 368350ee4cfSAndrei Emeltchenko __u16 num_blocks; 369350ee4cfSAndrei Emeltchenko __u16 block_cnt; 370350ee4cfSAndrei Emeltchenko 3711da177e4SLinus Torvalds unsigned long acl_last_tx; 3721da177e4SLinus Torvalds unsigned long sco_last_tx; 3736ed58ec5SVille Tervo unsigned long le_last_tx; 3741da177e4SLinus Torvalds 3756decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 3766decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 3776decb5b4SJaganath Kanakkassery 378f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3796ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 380f48fd9c8SMarcel Holtmann 381ab81cbf9SJohan Hedberg struct work_struct power_on; 3823243553fSJohan Hedberg struct delayed_work power_off; 383c7741d16SMarcel Holtmann struct work_struct error_reset; 384ab81cbf9SJohan Hedberg 38516ab91abSJohan Hedberg __u16 discov_timeout; 38616ab91abSJohan Hedberg struct delayed_work discov_off; 38716ab91abSJohan Hedberg 3887d78525dSJohan Hedberg struct delayed_work service_cache; 3897d78525dSJohan Hedberg 39065cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 391b78752ccSMarcel Holtmann 392b78752ccSMarcel Holtmann struct work_struct rx_work; 393c347b765SGustavo F. Padovan struct work_struct cmd_work; 3943eff45eaSGustavo F. Padovan struct work_struct tx_work; 3951da177e4SLinus Torvalds 396e68f072bSJohan Hedberg struct work_struct discov_update; 3972e93e53bSJohan Hedberg struct work_struct bg_scan_update; 39801b1cb87SJohan Hedberg struct work_struct scan_update; 39953c0ba74SJohan Hedberg struct work_struct connectable_update; 400aed1a885SJohan Hedberg struct work_struct discoverable_update; 4017c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 4027c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 4032e93e53bSJohan Hedberg 4041da177e4SLinus Torvalds struct sk_buff_head rx_q; 4051da177e4SLinus Torvalds struct sk_buff_head raw_q; 4061da177e4SLinus Torvalds struct sk_buff_head cmd_q; 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds struct sk_buff *sent_cmd; 4091da177e4SLinus Torvalds 410a6a67efdSThomas Gleixner struct mutex req_lock; 4111da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 4121da177e4SLinus Torvalds __u32 req_status; 4131da177e4SLinus Torvalds __u32 req_result; 414f60cb305SJohan Hedberg struct sk_buff *req_skb; 415a5040efaSJohan Hedberg 41670db83c4SJohan Hedberg void *smp_data; 417ef8efe4bSJohan Hedberg void *smp_bredr_data; 4182e58ef3eSJohan Hedberg 41930883512SJohan Hedberg struct discovery_state discovery; 4209952d90eSAbhishek Pandit-Subedi 4214867bd00SAbhishek Pandit-Subedi int discovery_old_state; 4224867bd00SAbhishek Pandit-Subedi bool discovery_paused; 4234867bd00SAbhishek Pandit-Subedi int advertising_old_state; 4244867bd00SAbhishek Pandit-Subedi bool advertising_paused; 4254867bd00SAbhishek Pandit-Subedi 4269952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 4279952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 4289952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 4299952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 4304f40afc6SAbhishek Pandit-Subedi bool scanning_paused; 4314f40afc6SAbhishek Pandit-Subedi bool suspended; 4329952d90eSAbhishek Pandit-Subedi 4339952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 4349952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 4359952d90eSAbhishek Pandit-Subedi 4361da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 4375c136e90SAndre Guedes 4385c136e90SAndre Guedes struct list_head mgmt_pending; 439ea4bd8baSDavid Miller struct list_head blacklist; 4406659358eSJohan Hedberg struct list_head whitelist; 4414f40afc6SAbhishek Pandit-Subedi struct list_head wakeable; 4422aeb9a1aSJohan Hedberg struct list_head uuids; 44355ed8ca1SJohan Hedberg struct list_head link_keys; 444b899efafSVinicius Costa Gomes struct list_head long_term_keys; 445970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 4462763eda6SSzymon Janc struct list_head remote_oob_data; 447d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 448cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 44915819a70SAndre Guedes struct list_head le_conn_params; 45077a77a30SAndre Guedes struct list_head pend_le_conns; 45166f8455aSJohan Hedberg struct list_head pend_le_reports; 452600a8749SAlain Michaud struct list_head blocked_keys; 4532763eda6SSzymon Janc 4541da177e4SLinus Torvalds struct hci_dev_stats stat; 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds atomic_t promisc; 4571da177e4SLinus Torvalds 4585177a838SMarcel Holtmann const char *hw_info; 4595177a838SMarcel Holtmann const char *fw_info; 460ca325f69SMarcel Holtmann struct dentry *debugfs; 461ca325f69SMarcel Holtmann 462a91f2e39SMarcel Holtmann struct device dev; 4631da177e4SLinus Torvalds 464611b30f7SMarcel Holtmann struct rfkill *rfkill; 465611b30f7SMarcel Holtmann 466eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 467d23264a8SAndre Guedes 4688fa19098SJohan Hedberg __s8 adv_tx_power; 4693f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 4703f0f524bSJohan Hedberg __u8 adv_data_len; 471f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 472f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 4738fa19098SJohan Hedberg 474d2609b34SFlorian Grandel struct list_head adv_instances; 475d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 476d2609b34SFlorian Grandel __u8 cur_adv_instance; 4775d900e46SFlorian Grandel __u16 adv_instance_timeout; 4785d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 479203fea01SArman Uguray 480863efaf2SJohan Hedberg __u8 irk[16]; 481d6bfd59cSJohan Hedberg __u32 rpa_timeout; 482d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 4832b5224dcSMarcel Holtmann bdaddr_t rpa; 484863efaf2SJohan Hedberg 48553f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 4866d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 48753f863a6SMarcel Holtmann #endif 4886d5d2ee6SHeiner Kallweit 489145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 490145373cbSMiao-chen Chou __u16 msft_opcode; 491145373cbSMiao-chen Chou void *msft_data; 492145373cbSMiao-chen Chou #endif 493145373cbSMiao-chen Chou 4941da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 4951da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4961da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 497f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 498a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4997bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 5001da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 501c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 50298a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 5034b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 50424c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 505e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 5061da177e4SLinus Torvalds }; 5071da177e4SLinus Torvalds 50853502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 50953502d69SAndrei Emeltchenko 5101da177e4SLinus Torvalds struct hci_conn { 5111da177e4SLinus Torvalds struct list_head list; 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds atomic_t refcnt; 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds bdaddr_t dst; 51629b7988aSAndre Guedes __u8 dst_type; 517662e8820SMarcel Holtmann bdaddr_t src; 518e7c4096eSMarcel Holtmann __u8 src_type; 519cb1d68f7SJohan Hedberg bdaddr_t init_addr; 520cb1d68f7SJohan Hedberg __u8 init_addr_type; 521cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 522cb1d68f7SJohan Hedberg __u8 resp_addr_type; 5231da177e4SLinus Torvalds __u16 handle; 5241da177e4SLinus Torvalds __u16 state; 52504837f64SMarcel Holtmann __u8 mode; 5261da177e4SLinus Torvalds __u8 type; 52740bef302SJohan Hedberg __u8 role; 528a0c808b3SJohan Hedberg bool out; 5294c67bc74SMarcel Holtmann __u8 attempt; 5301da177e4SLinus Torvalds __u8 dev_class[3]; 531cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 532a8746417SMarcel Holtmann __u16 pkt_type; 53304837f64SMarcel Holtmann __u16 link_policy; 53413d39315SWaldemar Rymarkiewicz __u8 key_type; 53540be492fSMarcel Holtmann __u8 auth_type; 5368c1b2355SMarcel Holtmann __u8 sec_level; 537765c2a96SJohan Hedberg __u8 pending_sec_level; 538980e1a53SJohan Hedberg __u8 pin_length; 539726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 54017fa4b9dSJohan Hedberg __u8 io_capability; 54192a25256SJohan Hedberg __u32 passkey_notify; 54292a25256SJohan Hedberg __u8 passkey_entered; 543052b30b0SMarcel Holtmann __u16 disc_timeout; 54409ae260bSJohan Hedberg __u16 conn_timeout; 54510c62ddcSFrédéric Dalleau __u16 setting; 546302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 5471e406eefSAndre Guedes __u16 le_conn_min_interval; 5481e406eefSAndre Guedes __u16 le_conn_max_interval; 549e04fde60SMarcel Holtmann __u16 le_conn_interval; 550e04fde60SMarcel Holtmann __u16 le_conn_latency; 551e04fde60SMarcel Holtmann __u16 le_supv_timeout; 552fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 553fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 5541efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 5551efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 5565ae76a94SAndrzej Kaczmarek __s8 rssi; 5575a134faeSAndrzej Kaczmarek __s8 tx_power; 558d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 55951a8efd7SJohan Hedberg unsigned long flags; 5601da177e4SLinus Torvalds 56133f35721SJohan Hedberg __u32 clock; 56233f35721SJohan Hedberg __u16 clock_accuracy; 56333f35721SJohan Hedberg 564dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 565dd983808SAndrzej Kaczmarek 56603b555e1SJohan Hedberg __u8 remote_cap; 56703b555e1SJohan Hedberg __u8 remote_auth; 5683161ae1cSAndrei Emeltchenko __u8 remote_id; 56903b555e1SJohan Hedberg 5701da177e4SLinus Torvalds unsigned int sent; 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds struct sk_buff_head data_q; 5732c33c06aSGustavo F. Padovan struct list_head chan_list; 5741da177e4SLinus Torvalds 57519c40e3bSGustavo F. Padovan struct delayed_work disc_work; 5767bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 577a74a84f6SJohan Hedberg struct delayed_work idle_work; 5789489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 5798ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 5801da177e4SLinus Torvalds 581b219e3acSMarcel Holtmann struct device dev; 58223b9ceb7SMarcel Holtmann struct dentry *debugfs; 583b219e3acSMarcel Holtmann 5841da177e4SLinus Torvalds struct hci_dev *hdev; 5851da177e4SLinus Torvalds void *l2cap_data; 5861da177e4SLinus Torvalds void *sco_data; 5879740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds struct hci_conn *link; 590e9a416b5SJohan Hedberg 591e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 592e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 593e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 5941da177e4SLinus Torvalds }; 5951da177e4SLinus Torvalds 59673d80debSLuiz Augusto von Dentz struct hci_chan { 59773d80debSLuiz Augusto von Dentz struct list_head list; 59842c4e53eSAndrei Emeltchenko __u16 handle; 59973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 60073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 60173d80debSLuiz Augusto von Dentz unsigned int sent; 602168df8e5SMat Martineau __u8 state; 60373d80debSLuiz Augusto von Dentz }; 60473d80debSLuiz Augusto von Dentz 60515819a70SAndre Guedes struct hci_conn_params { 60615819a70SAndre Guedes struct list_head list; 60793450c75SJohan Hedberg struct list_head action; 60815819a70SAndre Guedes 60915819a70SAndre Guedes bdaddr_t addr; 61015819a70SAndre Guedes u8 addr_type; 61115819a70SAndre Guedes 61215819a70SAndre Guedes u16 conn_min_interval; 61315819a70SAndre Guedes u16 conn_max_interval; 614f044eb05SMarcel Holtmann u16 conn_latency; 615f044eb05SMarcel Holtmann u16 supervision_timeout; 6169fcb18efSAndre Guedes 6179fcb18efSAndre Guedes enum { 6189fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 619a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 6204b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 6219fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 6229fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 623158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 6249fcb18efSAndre Guedes } auto_connect; 625f161dd41SJohan Hedberg 626f161dd41SJohan Hedberg struct hci_conn *conn; 627158e9218SJakub Pawlowski bool explicit_connect; 628dd522a74SAbhishek Pandit-Subedi bool wakeable; 62915819a70SAndre Guedes }; 63015819a70SAndre Guedes 6311da177e4SLinus Torvalds extern struct list_head hci_dev_list; 6321da177e4SLinus Torvalds extern struct list_head hci_cb_list; 6331da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 634fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 6351da177e4SLinus Torvalds 636eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 637eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 638eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 639eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 640eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 641eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 642eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 643d7a5a11dSMarcel Holtmann 644eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 645eacb44dfSMarcel Holtmann do { \ 646eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 647eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 6482eb71a3aSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 649eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 650eacb44dfSMarcel Holtmann } while (0) 651516018a9SMarcel Holtmann 652686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 653e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 654e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 6559b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 656686ebf28SUlisses Furquim 657ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 658e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 6599b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 660ff50e8afSArron Wang #else 661ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 662ff50e8afSArron Wang __u8 *flags) 663ff50e8afSArron Wang { 664ff50e8afSArron Wang return 0; 665ff50e8afSArron Wang } 666ff50e8afSArron Wang 667ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 668ff50e8afSArron Wang { 669ff50e8afSArron Wang } 670ff50e8afSArron Wang #endif 671686ebf28SUlisses Furquim 6721da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 67370f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 67470f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 6751da177e4SLinus Torvalds 67630883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 6771da177e4SLinus Torvalds { 678ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 67930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 68030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 68130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 682da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 68337eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 6841da177e4SLinus Torvalds } 6851da177e4SLinus Torvalds 6860256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 6870256325eSMarcel Holtmann { 68882f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 689da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 6900256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 6910256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 6920256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 6930256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 6942d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 6952d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 6960256325eSMarcel Holtmann } 6970256325eSMarcel Holtmann 69830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 69930dc78e1SJohan Hedberg 700ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 701ff9ef578SJohan Hedberg 7021da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 7031da177e4SLinus Torvalds { 70430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 7081da177e4SLinus Torvalds { 70930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 7101da177e4SLinus Torvalds return jiffies - c->timestamp; 7111da177e4SLinus Torvalds } 7121da177e4SLinus Torvalds 7131da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 7141da177e4SLinus Torvalds { 7151da177e4SLinus Torvalds return jiffies - e->timestamp; 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 7185a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 7195a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 720561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 721561aafbcSJohan Hedberg bdaddr_t *bdaddr); 72230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 72330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 72430dc78e1SJohan Hedberg int state); 725a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 726a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 727af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 728af58925cSMarcel Holtmann bool name_known); 7291f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 7321da177e4SLinus Torvalds enum { 7331da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 73419f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 7351da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 73604837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 73704837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 738e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 739b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 74058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 741eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 742abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 74358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 744af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 7454dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 7464dae2798SJohan Hedberg HCI_CONN_AUTH, 7474dae2798SJohan Hedberg HCI_CONN_SECURE, 7484dae2798SJohan Hedberg HCI_CONN_FIPS, 749fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 750977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 751f94b665dSJohan Hedberg HCI_CONN_DROP, 75289cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 753fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 754158e9218SJakub Pawlowski HCI_CONN_SCANNING, 755160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 7561da177e4SLinus Torvalds }; 7571da177e4SLinus Torvalds 758aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 759aa64a8b5SJohan Hedberg { 760aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 761d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 762c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 763aa64a8b5SJohan Hedberg } 764aa64a8b5SJohan Hedberg 765eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 766eb9a8f3fSMarcel Holtmann { 767eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 768d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 769eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 770eb9a8f3fSMarcel Holtmann } 771eb9a8f3fSMarcel Holtmann 7721da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 7731da177e4SLinus Torvalds { 7741da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 775bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 776fcd89c09SVille Tervo switch (c->type) { 777fcd89c09SVille Tervo case ACL_LINK: 7781da177e4SLinus Torvalds h->acl_num++; 779fcd89c09SVille Tervo break; 780bd1eb66bSAndrei Emeltchenko case AMP_LINK: 781bd1eb66bSAndrei Emeltchenko h->amp_num++; 782bd1eb66bSAndrei Emeltchenko break; 783fcd89c09SVille Tervo case LE_LINK: 784fcd89c09SVille Tervo h->le_num++; 785f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 786f8218dc6SJohan Hedberg h->le_num_slave++; 787fcd89c09SVille Tervo break; 788fcd89c09SVille Tervo case SCO_LINK: 789fcd89c09SVille Tervo case ESCO_LINK: 7901da177e4SLinus Torvalds h->sco_num++; 791fcd89c09SVille Tervo break; 792fcd89c09SVille Tervo } 7931da177e4SLinus Torvalds } 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 7961da177e4SLinus Torvalds { 7971da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 798bf4c6325SGustavo F. Padovan 799bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 800bf4c6325SGustavo F. Padovan synchronize_rcu(); 801bf4c6325SGustavo F. Padovan 802fcd89c09SVille Tervo switch (c->type) { 803fcd89c09SVille Tervo case ACL_LINK: 8041da177e4SLinus Torvalds h->acl_num--; 805fcd89c09SVille Tervo break; 806bd1eb66bSAndrei Emeltchenko case AMP_LINK: 807bd1eb66bSAndrei Emeltchenko h->amp_num--; 808bd1eb66bSAndrei Emeltchenko break; 809fcd89c09SVille Tervo case LE_LINK: 810fcd89c09SVille Tervo h->le_num--; 811f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 812f8218dc6SJohan Hedberg h->le_num_slave--; 813fcd89c09SVille Tervo break; 814fcd89c09SVille Tervo case SCO_LINK: 815fcd89c09SVille Tervo case ESCO_LINK: 8161da177e4SLinus Torvalds h->sco_num--; 817fcd89c09SVille Tervo break; 818fcd89c09SVille Tervo } 8191da177e4SLinus Torvalds } 8201da177e4SLinus Torvalds 82152087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 82252087a79SLuiz Augusto von Dentz { 82352087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 82452087a79SLuiz Augusto von Dentz switch (type) { 82552087a79SLuiz Augusto von Dentz case ACL_LINK: 82652087a79SLuiz Augusto von Dentz return h->acl_num; 827bd1eb66bSAndrei Emeltchenko case AMP_LINK: 828bd1eb66bSAndrei Emeltchenko return h->amp_num; 82952087a79SLuiz Augusto von Dentz case LE_LINK: 83052087a79SLuiz Augusto von Dentz return h->le_num; 83152087a79SLuiz Augusto von Dentz case SCO_LINK: 83252087a79SLuiz Augusto von Dentz case ESCO_LINK: 83352087a79SLuiz Augusto von Dentz return h->sco_num; 83452087a79SLuiz Augusto von Dentz default: 83552087a79SLuiz Augusto von Dentz return 0; 83652087a79SLuiz Augusto von Dentz } 83752087a79SLuiz Augusto von Dentz } 83852087a79SLuiz Augusto von Dentz 839f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 840f4f07505SJohan Hedberg { 841f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 842f4f07505SJohan Hedberg 843f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 844f4f07505SJohan Hedberg } 845f4f07505SJohan Hedberg 846845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 847845472e8SMarcel Holtmann { 848845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 849845472e8SMarcel Holtmann struct hci_conn *c; 850845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 851845472e8SMarcel Holtmann 852845472e8SMarcel Holtmann rcu_read_lock(); 853845472e8SMarcel Holtmann 854845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 855845472e8SMarcel Holtmann if (c->handle == handle) { 856845472e8SMarcel Holtmann type = c->type; 857845472e8SMarcel Holtmann break; 858845472e8SMarcel Holtmann } 859845472e8SMarcel Holtmann } 860845472e8SMarcel Holtmann 861845472e8SMarcel Holtmann rcu_read_unlock(); 862845472e8SMarcel Holtmann 863845472e8SMarcel Holtmann return type; 864845472e8SMarcel Holtmann } 865845472e8SMarcel Holtmann 8661da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 8671da177e4SLinus Torvalds __u16 handle) 8681da177e4SLinus Torvalds { 8691da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 8701da177e4SLinus Torvalds struct hci_conn *c; 8711da177e4SLinus Torvalds 872bf4c6325SGustavo F. Padovan rcu_read_lock(); 873bf4c6325SGustavo F. Padovan 874bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 875bf4c6325SGustavo F. Padovan if (c->handle == handle) { 876bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8771da177e4SLinus Torvalds return c; 8781da177e4SLinus Torvalds } 879bf4c6325SGustavo F. Padovan } 880bf4c6325SGustavo F. Padovan rcu_read_unlock(); 881bf4c6325SGustavo F. Padovan 8821da177e4SLinus Torvalds return NULL; 8831da177e4SLinus Torvalds } 8841da177e4SLinus Torvalds 8851da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 8861da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 8871da177e4SLinus Torvalds { 8881da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 8891da177e4SLinus Torvalds struct hci_conn *c; 8901da177e4SLinus Torvalds 891bf4c6325SGustavo F. Padovan rcu_read_lock(); 892bf4c6325SGustavo F. Padovan 893bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 894bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 895bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8961da177e4SLinus Torvalds return c; 8971da177e4SLinus Torvalds } 898bf4c6325SGustavo F. Padovan } 899bf4c6325SGustavo F. Padovan 900bf4c6325SGustavo F. Padovan rcu_read_unlock(); 901bf4c6325SGustavo F. Padovan 9021da177e4SLinus Torvalds return NULL; 9031da177e4SLinus Torvalds } 9041da177e4SLinus Torvalds 9051b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 9061b51c7b6SJohan Hedberg bdaddr_t *ba, 9071b51c7b6SJohan Hedberg __u8 ba_type) 9081b51c7b6SJohan Hedberg { 9091b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 9101b51c7b6SJohan Hedberg struct hci_conn *c; 9111b51c7b6SJohan Hedberg 9121b51c7b6SJohan Hedberg rcu_read_lock(); 9131b51c7b6SJohan Hedberg 9141b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 9151b51c7b6SJohan Hedberg if (c->type != LE_LINK) 9161b51c7b6SJohan Hedberg continue; 9171b51c7b6SJohan Hedberg 9181b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 9191b51c7b6SJohan Hedberg rcu_read_unlock(); 9201b51c7b6SJohan Hedberg return c; 9211b51c7b6SJohan Hedberg } 9221b51c7b6SJohan Hedberg } 9231b51c7b6SJohan Hedberg 9241b51c7b6SJohan Hedberg rcu_read_unlock(); 9251b51c7b6SJohan Hedberg 9261b51c7b6SJohan Hedberg return NULL; 9271b51c7b6SJohan Hedberg } 9281b51c7b6SJohan Hedberg 9294c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 9304c67bc74SMarcel Holtmann __u8 type, __u16 state) 9314c67bc74SMarcel Holtmann { 9324c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 9334c67bc74SMarcel Holtmann struct hci_conn *c; 9344c67bc74SMarcel Holtmann 935bf4c6325SGustavo F. Padovan rcu_read_lock(); 936bf4c6325SGustavo F. Padovan 937bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 938bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 939bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9404c67bc74SMarcel Holtmann return c; 9414c67bc74SMarcel Holtmann } 942bf4c6325SGustavo F. Padovan } 943bf4c6325SGustavo F. Padovan 944bf4c6325SGustavo F. Padovan rcu_read_unlock(); 945bf4c6325SGustavo F. Padovan 9464c67bc74SMarcel Holtmann return NULL; 9474c67bc74SMarcel Holtmann } 9484c67bc74SMarcel Holtmann 949e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 950e7d9ab73SJakub Pawlowski { 951e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 952e7d9ab73SJakub Pawlowski struct hci_conn *c; 953e7d9ab73SJakub Pawlowski 954e7d9ab73SJakub Pawlowski rcu_read_lock(); 955e7d9ab73SJakub Pawlowski 956e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 957e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 958e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 959e7d9ab73SJakub Pawlowski rcu_read_unlock(); 960e7d9ab73SJakub Pawlowski return c; 961e7d9ab73SJakub Pawlowski } 962e7d9ab73SJakub Pawlowski } 963e7d9ab73SJakub Pawlowski 964e7d9ab73SJakub Pawlowski rcu_read_unlock(); 965e7d9ab73SJakub Pawlowski 966e7d9ab73SJakub Pawlowski return NULL; 967e7d9ab73SJakub Pawlowski } 968e7d9ab73SJakub Pawlowski 969e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 9702dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 971e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 9721da177e4SLinus Torvalds 973a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 974a5c4e309SJohan Hedberg u8 role); 9751da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 9761da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 977a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 9781da177e4SLinus Torvalds 97973d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 9809472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 9812c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 98242c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 98373d80debSLuiz Augusto von Dentz 984f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 985f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 9860ad06aa6SJohan Hedberg u16 conn_timeout); 98704a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 988cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 989082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 99004a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 99104a6c589SAndre Guedes u8 sec_level, u8 auth_type); 99210c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 99310c62ddcSFrédéric Dalleau __u16 setting); 994e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 995b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 996e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 997e7cafc45SJohan Hedberg bool initiator); 9988c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 9991da177e4SLinus Torvalds 100014b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 10011da177e4SLinus Torvalds 100206c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 100306c053fbSAndre Guedes 10048d12356fSDavid Herrmann /* 10058d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 10068d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 10078d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 10088d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 10098d12356fSDavid Herrmann * other constant data. 10108d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 10118d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 10128d12356fSDavid Herrmann * get dropped, though. 10138d12356fSDavid Herrmann * 10148d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 10158d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 10168d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 10178d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 10188d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 10198d12356fSDavid Herrmann * hci_conn_add()). 10208d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 10218d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 10228d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 10238d12356fSDavid Herrmann */ 10248d12356fSDavid Herrmann 102551bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 10268d12356fSDavid Herrmann { 10278d12356fSDavid Herrmann get_device(&conn->dev); 102851bb8457SJohan Hedberg return conn; 10298d12356fSDavid Herrmann } 10308d12356fSDavid Herrmann 10318d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 10328d12356fSDavid Herrmann { 10338d12356fSDavid Herrmann put_device(&conn->dev); 10348d12356fSDavid Herrmann } 10358d12356fSDavid Herrmann 10361da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 10371da177e4SLinus Torvalds { 103871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 103938b3fef1SAndrei Emeltchenko 10401da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 10412f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 10421da177e4SLinus Torvalds } 10431da177e4SLinus Torvalds 104476a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 10451da177e4SLinus Torvalds { 104671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 104738b3fef1SAndrei Emeltchenko 10481da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 104904837f64SMarcel Holtmann unsigned long timeo; 1050716e4ab5SAndrei Emeltchenko 1051716e4ab5SAndrei Emeltchenko switch (conn->type) { 1052716e4ab5SAndrei Emeltchenko case ACL_LINK: 1053716e4ab5SAndrei Emeltchenko case LE_LINK: 1054a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 10556ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 10565f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 105704837f64SMarcel Holtmann if (!conn->out) 1058052b30b0SMarcel Holtmann timeo *= 2; 10595a9d0a3fSWaldemar Rymarkiewicz } else { 1060eb78d7e5SJohan Hedberg timeo = 0; 10615a9d0a3fSWaldemar Rymarkiewicz } 1062716e4ab5SAndrei Emeltchenko break; 1063716e4ab5SAndrei Emeltchenko 1064716e4ab5SAndrei Emeltchenko case AMP_LINK: 1065716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1066716e4ab5SAndrei Emeltchenko break; 1067716e4ab5SAndrei Emeltchenko 1068716e4ab5SAndrei Emeltchenko default: 1069eb78d7e5SJohan Hedberg timeo = 0; 1070716e4ab5SAndrei Emeltchenko break; 10715a9d0a3fSWaldemar Rymarkiewicz } 1072716e4ab5SAndrei Emeltchenko 10732f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 107419c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 10751931782bSVinicius Costa Gomes &conn->disc_work, timeo); 10761da177e4SLinus Torvalds } 10771da177e4SLinus Torvalds } 10781da177e4SLinus Torvalds 10791da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1080dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 10811da177e4SLinus Torvalds { 1082376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 10832c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1084376261aeSAndrei Emeltchenko 10854c724c71SDavid Herrmann put_device(&d->dev); 1086010666a1SDavid Herrmann } 10871da177e4SLinus Torvalds 1088dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 10891da177e4SLinus Torvalds { 1090376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 10912c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1092376261aeSAndrei Emeltchenko 10934c724c71SDavid Herrmann get_device(&d->dev); 10941da177e4SLinus Torvalds return d; 10951da177e4SLinus Torvalds } 10961da177e4SLinus Torvalds 109709fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 109809fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 10991da177e4SLinus Torvalds 1100aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 11013dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1102aa2b86d7SDavid Herrmann 1103155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1104155961e8SDavid Herrmann { 1105155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1106155961e8SDavid Herrmann } 1107155961e8SDavid Herrmann 1108155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1109155961e8SDavid Herrmann { 1110155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1111155961e8SDavid Herrmann } 1112155961e8SDavid Herrmann 11131da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 111439385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 11151da177e4SLinus Torvalds 11161da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 11171da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 11181da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 111959735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 11201da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 11211da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 112275e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1123f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1124f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 11251aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 11261aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1127145373cbSMiao-chen Chou 1128145373cbSMiao-chen Chou static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1129145373cbSMiao-chen Chou { 1130145373cbSMiao-chen Chou #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1131145373cbSMiao-chen Chou hdev->msft_opcode = opcode; 1132145373cbSMiao-chen Chou #endif 1133145373cbSMiao-chen Chou } 1134145373cbSMiao-chen Chou 11351da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 11361da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 11376b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 11381da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 11391da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 11401da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 11411da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 11421da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 11431da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 11441da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 114540be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 11461da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 11471da177e4SLinus Torvalds 1148dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1149b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1150b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1151b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1152b950aa88SAnkit Navik u8 type); 1153dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1154b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1155b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 1156dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1157b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1158b950aa88SAnkit Navik u8 type); 1159dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1160d2ab0ac1SMarcel Holtmann 116115819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 116215819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 116351d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 116451d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 116515819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 116655af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 116715819a70SAndre Guedes 1168501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1169501f8827SJohan Hedberg bdaddr_t *addr, 1170501f8827SJohan Hedberg u8 addr_type); 117177a77a30SAndre Guedes 117235f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 11732aeb9a1aSJohan Hedberg 117435f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 117555ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1176567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 11777652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 11787652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1179ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 118035d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1181fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1182f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1183e804d25dSJohan Hedberg u8 addr_type, u8 role); 1184e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 118535f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 118655ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 118755ed8ca1SJohan Hedberg 1188970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1189970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1190970c4e46SJohan Hedberg u8 addr_type); 1191ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1192ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1193a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1194600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1195600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1196970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1197970c4e46SJohan Hedberg 119855e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 119955e76b38SJohan Hedberg 120035f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 12012763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 12026928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 12030798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12046928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 120538da1703SJohan Hedberg u8 *hash256, u8 *rand256); 12066928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 12076928a924SJohan Hedberg u8 bdaddr_type); 12082763eda6SSzymon Janc 1209d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1210d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1211d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1212d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1213d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1214d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1215d2609b34SFlorian Grandel u16 timeout, u16 duration); 1216d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1217a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1218d2609b34SFlorian Grandel 12191da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 12201da177e4SLinus Torvalds 12210ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1222a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1223b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1224b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 12251da177e4SLinus Torvalds 12266935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1229cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1230cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1231cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1232cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1233cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1234cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1235cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1236cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1237cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1238cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1239cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1240cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1241cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1242cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1243cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1244cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1245cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1246cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 124707a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 12485075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 12495075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 12505075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 12515075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 12521da177e4SLinus Torvalds 1253eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 125453b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 125553b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 125653b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 125753b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1258d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1259d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 126053b834d2SMarcel Holtmann 126153b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1262cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1263d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1264cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1265cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1266eead27daSAndre Guedes 1267d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1268d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 126905b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1270d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1271432df05eSJohan Hedberg 127245bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 127345bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 127445bdd86eSJaganath Kanakkassery 127545bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 127645bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 127745bdd86eSJaganath Kanakkassery 127845bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 127945bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 128045bdd86eSJaganath Kanakkassery 1281a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1282a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1283a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 12844d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 12854d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1286a2344b9eSJaganath Kanakkassery 12876b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 12886b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 12896b49bcb4SJaganath Kanakkassery 12901da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 129120714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 129220714bfeSFrédéric Dalleau 12935a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 129420714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 12951da177e4SLinus Torvalds { 1296686ebf28SUlisses Furquim switch (type) { 1297686ebf28SUlisses Furquim case ACL_LINK: 1298686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 12991da177e4SLinus Torvalds 1300686ebf28SUlisses Furquim case SCO_LINK: 1301686ebf28SUlisses Furquim case ESCO_LINK: 130220714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 13031da177e4SLinus Torvalds 1304686ebf28SUlisses Furquim default: 1305686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1306686ebf28SUlisses Furquim return -EINVAL; 1307686ebf28SUlisses Furquim } 13081da177e4SLinus Torvalds } 13091da177e4SLinus Torvalds 13102950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 13112950f21aSMarcel Holtmann { 1312686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1313686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 13142950f21aSMarcel Holtmann 1315686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 13162950f21aSMarcel Holtmann } 13172950f21aSMarcel Holtmann 13181da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 13191da177e4SLinus Torvalds struct hci_cb { 13201da177e4SLinus Torvalds struct list_head list; 13211da177e4SLinus Torvalds 13221da177e4SLinus Torvalds char *name; 13231da177e4SLinus Torvalds 1324539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 13253a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 13265a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 13275a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 13281da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 13291da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 13301da177e4SLinus Torvalds }; 13311da177e4SLinus Torvalds 1332539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1333539c496dSJohan Hedberg { 1334539c496dSJohan Hedberg struct hci_cb *cb; 1335539c496dSJohan Hedberg 1336539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1337539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1338539c496dSJohan Hedberg if (cb->connect_cfm) 1339539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1340539c496dSJohan Hedberg } 1341539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1342539c496dSJohan Hedberg 1343539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1344539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1345539c496dSJohan Hedberg } 1346539c496dSJohan Hedberg 13473a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 13483a6d576bSJohan Hedberg { 13493a6d576bSJohan Hedberg struct hci_cb *cb; 13503a6d576bSJohan Hedberg 13513a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 13523a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 13533a6d576bSJohan Hedberg if (cb->disconn_cfm) 13543a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 13553a6d576bSJohan Hedberg } 13563a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 13573a6d576bSJohan Hedberg 13583a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 13593a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 13603a6d576bSJohan Hedberg } 13613a6d576bSJohan Hedberg 13621da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 13631da177e4SLinus Torvalds { 1364711584eaSDenis Kirjanov struct hci_cb *cb; 13658c1b2355SMarcel Holtmann __u8 encrypt; 13661da177e4SLinus Torvalds 136751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 13688c1b2355SMarcel Holtmann return; 13698c1b2355SMarcel Holtmann 13704dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 13718c1b2355SMarcel Holtmann 1372fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1373711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13748c1b2355SMarcel Holtmann if (cb->security_cfm) 13758c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 13761da177e4SLinus Torvalds } 1377fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1378354fe804SJohan Hedberg 1379354fe804SJohan Hedberg if (conn->security_cfm_cb) 1380354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 13811da177e4SLinus Torvalds } 13821da177e4SLinus Torvalds 13835a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 13845a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 13851da177e4SLinus Torvalds { 1386711584eaSDenis Kirjanov struct hci_cb *cb; 13871da177e4SLinus Torvalds 1388435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1389435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1390435fef20SMarcel Holtmann 139188167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 139288167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 139388167aedSVinicius Costa Gomes 1394fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1395711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13968c1b2355SMarcel Holtmann if (cb->security_cfm) 13978c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 13981da177e4SLinus Torvalds } 1399fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1400354fe804SJohan Hedberg 1401354fe804SJohan Hedberg if (conn->security_cfm_cb) 1402354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 14031da177e4SLinus Torvalds } 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 14061da177e4SLinus Torvalds { 1407711584eaSDenis Kirjanov struct hci_cb *cb; 14081da177e4SLinus Torvalds 1409fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1410711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 14111da177e4SLinus Torvalds if (cb->key_change_cfm) 14121da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 14131da177e4SLinus Torvalds } 1414fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 14151da177e4SLinus Torvalds } 14161da177e4SLinus Torvalds 14175a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 14185a9d0a3fSWaldemar Rymarkiewicz __u8 role) 14191da177e4SLinus Torvalds { 1420711584eaSDenis Kirjanov struct hci_cb *cb; 14211da177e4SLinus Torvalds 1422fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1423711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 14241da177e4SLinus Torvalds if (cb->role_switch_cfm) 14251da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 14261da177e4SLinus Torvalds } 1427fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 14281da177e4SLinus Torvalds } 14291da177e4SLinus Torvalds 14300d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 14310d3b7f64SJohan Hedberg size_t *data_len) 14326759a675SJohan Hedberg { 143384d9d071SJohan Hedberg size_t parsed = 0; 14346759a675SJohan Hedberg 14350d3b7f64SJohan Hedberg if (eir_len < 2) 14360d3b7f64SJohan Hedberg return NULL; 14376c0c331eSJohan Hedberg 14380d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 14390d3b7f64SJohan Hedberg u8 field_len = eir[0]; 14406759a675SJohan Hedberg 14416759a675SJohan Hedberg if (field_len == 0) 14426759a675SJohan Hedberg break; 14436759a675SJohan Hedberg 14446759a675SJohan Hedberg parsed += field_len + 1; 14456759a675SJohan Hedberg 14460d3b7f64SJohan Hedberg if (parsed > eir_len) 14476759a675SJohan Hedberg break; 14486759a675SJohan Hedberg 14490d3b7f64SJohan Hedberg if (eir[1] != type) { 14500d3b7f64SJohan Hedberg eir += field_len + 1; 14510d3b7f64SJohan Hedberg continue; 14526759a675SJohan Hedberg } 14536759a675SJohan Hedberg 14540d3b7f64SJohan Hedberg /* Zero length data */ 14550d3b7f64SJohan Hedberg if (field_len == 1) 14560d3b7f64SJohan Hedberg return NULL; 14570d3b7f64SJohan Hedberg 14580d3b7f64SJohan Hedberg if (data_len) 14590d3b7f64SJohan Hedberg *data_len = field_len - 1; 14600d3b7f64SJohan Hedberg 14610d3b7f64SJohan Hedberg return &eir[2]; 14620d3b7f64SJohan Hedberg } 14630d3b7f64SJohan Hedberg 14640d3b7f64SJohan Hedberg return NULL; 14656759a675SJohan Hedberg } 14666759a675SJohan Hedberg 1467301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1468301cb2d8SJohan Hedberg { 1469dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1470301cb2d8SJohan Hedberg return false; 1471301cb2d8SJohan Hedberg 1472301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1473301cb2d8SJohan Hedberg return true; 1474301cb2d8SJohan Hedberg 1475301cb2d8SJohan Hedberg return false; 1476301cb2d8SJohan Hedberg } 1477301cb2d8SJohan Hedberg 1478c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1479c46245b3SJohan Hedberg { 1480c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1481c46245b3SJohan Hedberg return true; 1482c46245b3SJohan Hedberg 1483c46245b3SJohan Hedberg /* Check for Random Static address type */ 1484c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1485c46245b3SJohan Hedberg return true; 1486c46245b3SJohan Hedberg 1487c46245b3SJohan Hedberg return false; 1488c46245b3SJohan Hedberg } 1489c46245b3SJohan Hedberg 14902426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 14912426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 14922426f3a5SJohan Hedberg { 14932426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 14942426f3a5SJohan Hedberg return NULL; 14952426f3a5SJohan Hedberg 14962426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 14972426f3a5SJohan Hedberg } 14982426f3a5SJohan Hedberg 1499d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1500d4905f24SAndre Guedes u16 to_multiplier) 1501d4905f24SAndre Guedes { 1502d4905f24SAndre Guedes u16 max_latency; 1503d4905f24SAndre Guedes 1504d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1505d4905f24SAndre Guedes return -EINVAL; 1506d4905f24SAndre Guedes 1507d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1508d4905f24SAndre Guedes return -EINVAL; 1509d4905f24SAndre Guedes 1510d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1511d4905f24SAndre Guedes return -EINVAL; 1512d4905f24SAndre Guedes 15138757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1514d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1515d4905f24SAndre Guedes return -EINVAL; 1516d4905f24SAndre Guedes 1517d4905f24SAndre Guedes return 0; 1518d4905f24SAndre Guedes } 1519d4905f24SAndre Guedes 15201da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 15211da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 15221da177e4SLinus Torvalds 152375e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 152407dc93ddSJohan Hedberg const void *param, u32 timeout); 15257b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 152607dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1527d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1528d6ee6ad7SLoic Poulain const void *param); 152975e84b7cSJohan Hedberg 153007dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 153107dc93ddSJohan Hedberg const void *param); 153273d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 15330d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 15341da177e4SLinus Torvalds 1535a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 15361da177e4SLinus Torvalds 1537fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1538fbef168fSLoic Poulain const void *param, u32 timeout); 1539fbef168fSLoic Poulain 1540eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1541eab2404bSLuiz Augusto von Dentz 15421da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1543470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 15447129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1545c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1546cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 154738ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 154838ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 154938ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 15501da177e4SLinus Torvalds 1551040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1552040030efSMarcel Holtmann 1553a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1554a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1555a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1556a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1557d5cc6626SMarcel Holtmann #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1558b9a245fbSJohan Hedberg 1559801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1560801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1561801c1e8dSJohan Hedberg u16 data_len); 1562801c1e8dSJohan Hedberg size_t data_len; 1563b9a245fbSJohan Hedberg unsigned long flags; 1564801c1e8dSJohan Hedberg }; 1565801c1e8dSJohan Hedberg 1566801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1567801c1e8dSJohan Hedberg struct list_head list; 1568801c1e8dSJohan Hedberg unsigned short channel; 1569801c1e8dSJohan Hedberg size_t handler_count; 1570801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 157188b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1572801c1e8dSJohan Hedberg }; 1573801c1e8dSJohan Hedberg 1574801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1575801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1576801c1e8dSJohan Hedberg 15770381101fSJohan Hedberg /* Management interface */ 1578591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1579591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1580591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1581591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1582591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1583591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1584f39799f5SAndre Guedes 15850d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 15860d8cc935SAndre Guedes * Discovery Procedure specification. 15870d8cc935SAndre Guedes */ 15880d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 15890d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 15903d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1591ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 15920d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 15930d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 15944b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1595ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ 1596ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ 15970d8cc935SAndre Guedes 159803c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 159991a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1600bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1601bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 16023eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 16032ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 16042ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1605dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1606745c0ce3SVishal Agarwal bool persistent); 160748ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 160848ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 16099b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 161012d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 161112d4a3b2SJohan Hedberg bool mgmt_connected); 16127892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 161388c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1614445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 161548264f06SJohan Hedberg u8 addr_type, u8 status); 1616ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1617e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1618c35938b2SSzymon Janc u8 status); 16193eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1620744cf19eSJohan Hedberg u8 status); 1621744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 162239adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1623272d90dfSJohan Hedberg u8 confirm_hint); 1624744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1625272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1626272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1627272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1628272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1629272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1630604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1631272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1632272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1633272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 163492a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 163592a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 163692a25256SJohan Hedberg u8 entered); 1637e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1638464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 16393e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 16404e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 16417f9a903cSMarcel Holtmann u8 status); 16427667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1643e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 16442154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1645901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1646af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1647af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 16489cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1649b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 16502f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 165184c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 165253ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1653cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 165453ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 165553ac6ab6SMarcel Holtmann bool persistent); 1656ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1657f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1658f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1659f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1660f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 166153c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1662aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1663f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1664f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1665f2252570SJohan Hedberg u8 instance); 1666f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1667f2252570SJohan Hedberg u8 instance); 1668b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1669346af67bSVinicius Costa Gomes 16707d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 16717d6ca693SJohan Hedberg u16 to_multiplier); 1672fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 16738b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 16742519a1fcSAndre Guedes 1675a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1676a1f4c318SJohan Hedberg u8 *bdaddr_type); 1677ebd3a747SJohan Hedberg 16785d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 16795d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 16805d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 16815d4d62f6SFrédéric Dalleau 16821da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1683