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 { 949952d90eSAbhishek Pandit-Subedi SUSPEND_POWERING_DOWN, 959952d90eSAbhishek Pandit-Subedi 969952d90eSAbhishek Pandit-Subedi SUSPEND_PREPARE_NOTIFIER, 979952d90eSAbhishek Pandit-Subedi __SUSPEND_NUM_TASKS 989952d90eSAbhishek Pandit-Subedi }; 999952d90eSAbhishek Pandit-Subedi 1009952d90eSAbhishek Pandit-Subedi enum suspended_state { 1019952d90eSAbhishek Pandit-Subedi BT_RUNNING = 0, 1029952d90eSAbhishek Pandit-Subedi BT_SUSPENDED, 1039952d90eSAbhishek Pandit-Subedi }; 1049952d90eSAbhishek Pandit-Subedi 1051da177e4SLinus Torvalds struct hci_conn_hash { 1061da177e4SLinus Torvalds struct list_head list; 1071da177e4SLinus Torvalds unsigned int acl_num; 108bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 1091da177e4SLinus Torvalds unsigned int sco_num; 110fcd89c09SVille Tervo unsigned int le_num; 111f8218dc6SJohan Hedberg unsigned int le_num_slave; 1121da177e4SLinus Torvalds }; 1131da177e4SLinus Torvalds 114f0358568SJohan Hedberg struct bdaddr_list { 115f0358568SJohan Hedberg struct list_head list; 116f0358568SJohan Hedberg bdaddr_t bdaddr; 117b9ee0a78SMarcel Holtmann u8 bdaddr_type; 118f0358568SJohan Hedberg }; 1192aeb9a1aSJohan Hedberg 120b950aa88SAnkit Navik struct bdaddr_list_with_irk { 121b950aa88SAnkit Navik struct list_head list; 122b950aa88SAnkit Navik bdaddr_t bdaddr; 123b950aa88SAnkit Navik u8 bdaddr_type; 124b950aa88SAnkit Navik u8 peer_irk[16]; 125b950aa88SAnkit Navik u8 local_irk[16]; 126b950aa88SAnkit Navik }; 127b950aa88SAnkit Navik 1282aeb9a1aSJohan Hedberg struct bt_uuid { 1292aeb9a1aSJohan Hedberg struct list_head list; 1302aeb9a1aSJohan Hedberg u8 uuid[16]; 13183be8ecaSJohan Hedberg u8 size; 1321aff6f09SJohan Hedberg u8 svc_hint; 1332aeb9a1aSJohan Hedberg }; 1342aeb9a1aSJohan Hedberg 135600a8749SAlain Michaud struct blocked_key { 136600a8749SAlain Michaud struct list_head list; 137600a8749SAlain Michaud struct rcu_head rcu; 138600a8749SAlain Michaud u8 type; 139600a8749SAlain Michaud u8 val[16]; 140600a8749SAlain Michaud }; 141600a8749SAlain Michaud 1427ee4ea36SMarcel Holtmann struct smp_csrk { 1437ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1447ee4ea36SMarcel Holtmann u8 bdaddr_type; 1454cd3928aSJohan Hedberg u8 type; 1467ee4ea36SMarcel Holtmann u8 val[16]; 1477ee4ea36SMarcel Holtmann }; 1487ee4ea36SMarcel Holtmann 149b899efafSVinicius Costa Gomes struct smp_ltk { 150b899efafSVinicius Costa Gomes struct list_head list; 151970d0f1bSJohan Hedberg struct rcu_head rcu; 152b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 153b899efafSVinicius Costa Gomes u8 bdaddr_type; 154b899efafSVinicius Costa Gomes u8 authenticated; 155b899efafSVinicius Costa Gomes u8 type; 156b899efafSVinicius Costa Gomes u8 enc_size; 157b899efafSVinicius Costa Gomes __le16 ediv; 158fe39c7b2SMarcel Holtmann __le64 rand; 159b899efafSVinicius Costa Gomes u8 val[16]; 16003c515d7SMarcel Holtmann }; 161b899efafSVinicius Costa Gomes 162970c4e46SJohan Hedberg struct smp_irk { 163970c4e46SJohan Hedberg struct list_head list; 164adae20cbSJohan Hedberg struct rcu_head rcu; 165970c4e46SJohan Hedberg bdaddr_t rpa; 166970c4e46SJohan Hedberg bdaddr_t bdaddr; 167970c4e46SJohan Hedberg u8 addr_type; 168970c4e46SJohan Hedberg u8 val[16]; 169970c4e46SJohan Hedberg }; 170970c4e46SJohan Hedberg 17155ed8ca1SJohan Hedberg struct link_key { 17255ed8ca1SJohan Hedberg struct list_head list; 1730378b597SJohan Hedberg struct rcu_head rcu; 17455ed8ca1SJohan Hedberg bdaddr_t bdaddr; 17555ed8ca1SJohan Hedberg u8 type; 1769b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 17755ed8ca1SJohan Hedberg u8 pin_len; 17855ed8ca1SJohan Hedberg }; 17955ed8ca1SJohan Hedberg 1802763eda6SSzymon Janc struct oob_data { 1812763eda6SSzymon Janc struct list_head list; 1822763eda6SSzymon Janc bdaddr_t bdaddr; 1836928a924SJohan Hedberg u8 bdaddr_type; 184f7697b16SMarcel Holtmann u8 present; 185519ca9d0SMarcel Holtmann u8 hash192[16]; 18638da1703SJohan Hedberg u8 rand192[16]; 187519ca9d0SMarcel Holtmann u8 hash256[16]; 18838da1703SJohan Hedberg u8 rand256[16]; 1892763eda6SSzymon Janc }; 1902763eda6SSzymon Janc 191203fea01SArman Uguray struct adv_info { 192d2609b34SFlorian Grandel struct list_head list; 193fffd38bcSFlorian Grandel bool pending; 194203fea01SArman Uguray __u8 instance; 195203fea01SArman Uguray __u32 flags; 196912098a6SArman Uguray __u16 timeout; 1975d900e46SFlorian Grandel __u16 remaining_time; 198d2609b34SFlorian Grandel __u16 duration; 199203fea01SArman Uguray __u16 adv_data_len; 200203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 201203fea01SArman Uguray __u16 scan_rsp_len; 202203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 203de181e88SJaganath Kanakkassery __s8 tx_power; 204a73c046aSJaganath Kanakkassery bdaddr_t random_addr; 205a73c046aSJaganath Kanakkassery bool rpa_expired; 206a73c046aSJaganath Kanakkassery struct delayed_work rpa_expired_cb; 207203fea01SArman Uguray }; 208203fea01SArman Uguray 209db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 210d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 211d2609b34SFlorian Grandel 212490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 213490c5babSJohan Hedberg 214d5bb334aSMarcel Holtmann /* Min encryption key size to match with SMP */ 215d5bb334aSMarcel Holtmann #define HCI_MIN_ENC_KEY_SIZE 7 216d5bb334aSMarcel Holtmann 217d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 218d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 219d6bfd59cSJohan Hedberg 22031ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 22131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 22231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 223302975cbSSpoorthi Ravishankar Koppad /* Default authenticated payload timeout 30s */ 224302975cbSSpoorthi Ravishankar Koppad #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 22531ad1691SAndrzej Kaczmarek 226903e4541SAndrei Emeltchenko struct amp_assoc { 227903e4541SAndrei Emeltchenko __u16 len; 228903e4541SAndrei Emeltchenko __u16 offset; 22993c284eeSAndrei Emeltchenko __u16 rem_len; 23093c284eeSAndrei Emeltchenko __u16 len_so_far; 231903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 232903e4541SAndrei Emeltchenko }; 233903e4541SAndrei Emeltchenko 234d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 235cad718edSJohan Hedberg 2361da177e4SLinus Torvalds struct hci_dev { 2371da177e4SLinus Torvalds struct list_head list; 23809fd0de5SGustavo F. Padovan struct mutex lock; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds char name[8]; 2411da177e4SLinus Torvalds unsigned long flags; 2421da177e4SLinus Torvalds __u16 id; 243c13854ceSMarcel Holtmann __u8 bus; 244943da25dSMarcel Holtmann __u8 dev_type; 2451da177e4SLinus Torvalds bdaddr_t bdaddr; 246e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 24724c457e2SMarcel Holtmann bdaddr_t public_addr; 2487a4cd51dSMarcel Holtmann bdaddr_t random_addr; 249d13eafceSMarcel Holtmann bdaddr_t static_addr; 25056ed2cb8SJohan Hedberg __u8 adv_addr_type; 2511f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 252490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 25380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 254c4960ecfSMichał Narajowski __u16 appearance; 255a9de9248SMarcel Holtmann __u8 dev_class[3]; 2561aff6f09SJohan Hedberg __u8 major_class; 2571aff6f09SJohan Hedberg __u8 minor_class; 258d2c5d77fSJohan Hedberg __u8 max_page; 259cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 26060e77321SJohan Hedberg __u8 le_features[8]; 261cf1d081fSJohan Hedberg __u8 le_white_list_size; 262cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 2636b49bcb4SJaganath Kanakkassery __u8 le_num_of_adv_sets; 2649b008c04SJohan Hedberg __u8 le_states[8]; 265a9de9248SMarcel Holtmann __u8 commands[64]; 2661143e5a6SMarcel Holtmann __u8 hci_ver; 2671143e5a6SMarcel Holtmann __u16 hci_rev; 268d5859e22SJohan Hedberg __u8 lmp_ver; 2691143e5a6SMarcel Holtmann __u16 manufacturer; 2707d69230cSAndrei Emeltchenko __u16 lmp_subver; 2711da177e4SLinus Torvalds __u16 voice_setting; 272b4cb9fb2SMarcel Holtmann __u8 num_iac; 273c2f0f979SMarcel Holtmann __u8 stored_max_keys; 274c2f0f979SMarcel Holtmann __u8 stored_num_keys; 27517fa4b9dSJohan Hedberg __u8 io_capability; 27691c4e9b1SMarcel Holtmann __s8 inq_tx_power; 27700bce3fbSAlain Michaud __u8 err_data_reporting; 278f332ec66SJohan Hedberg __u16 page_scan_interval; 279f332ec66SJohan Hedberg __u16 page_scan_window; 280f332ec66SJohan Hedberg __u8 page_scan_type; 2813f959d46SMarcel Holtmann __u8 le_adv_channel_map; 282628531c9SGeorg Lukas __u16 le_adv_min_interval; 283628531c9SGeorg Lukas __u16 le_adv_max_interval; 284533553f8SMarcel Holtmann __u8 le_scan_type; 285bef64738SMarcel Holtmann __u16 le_scan_interval; 286bef64738SMarcel Holtmann __u16 le_scan_window; 2874e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2884e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 28904fb7d90SMarcel Holtmann __u16 le_conn_latency; 29004fb7d90SMarcel Holtmann __u16 le_supv_timeout; 291a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 292a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 293a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 294a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 295a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 296a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 29730d65e08SMatias Karhumaa __u8 le_max_key_size; 29830d65e08SMatias Karhumaa __u8 le_min_key_size; 299b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 30031ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 30131ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 302302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 30358a96fc3SMarcel Holtmann __u8 min_enc_key_size; 30406f5b778SMarcel Holtmann __u8 ssp_debug_mode; 305c7741d16SMarcel Holtmann __u8 hw_error_code; 30633f35721SJohan Hedberg __u32 clock; 307f332ec66SJohan Hedberg 3082b9be137SMarcel Holtmann __u16 devid_source; 3092b9be137SMarcel Holtmann __u16 devid_vendor; 3102b9be137SMarcel Holtmann __u16 devid_product; 3112b9be137SMarcel Holtmann __u16 devid_version; 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds __u16 pkt_type; 3145b7f9909SMarcel Holtmann __u16 esco_type; 3151da177e4SLinus Torvalds __u16 link_policy; 3161da177e4SLinus Torvalds __u16 link_mode; 3171da177e4SLinus Torvalds 31804837f64SMarcel Holtmann __u32 idle_timeout; 31904837f64SMarcel Holtmann __u16 sniff_min_interval; 32004837f64SMarcel Holtmann __u16 sniff_max_interval; 32104837f64SMarcel Holtmann 322928abaa7SAndrei Emeltchenko __u8 amp_status; 323928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 324928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 325928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 326928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 327928abaa7SAndrei Emeltchenko __u8 amp_type; 328928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 329928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 330928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 331928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 332928abaa7SAndrei Emeltchenko 333903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 334903e4541SAndrei Emeltchenko 3351e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 3361e89cffbSAndrei Emeltchenko 3379f61656aSJohan Hedberg unsigned int auto_accept_delay; 3389f61656aSJohan Hedberg 3391da177e4SLinus Torvalds unsigned long quirks; 3401da177e4SLinus Torvalds 3411da177e4SLinus Torvalds atomic_t cmd_cnt; 3421da177e4SLinus Torvalds unsigned int acl_cnt; 3431da177e4SLinus Torvalds unsigned int sco_cnt; 3446ed58ec5SVille Tervo unsigned int le_cnt; 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds unsigned int acl_mtu; 3471da177e4SLinus Torvalds unsigned int sco_mtu; 3486ed58ec5SVille Tervo unsigned int le_mtu; 3491da177e4SLinus Torvalds unsigned int acl_pkts; 3501da177e4SLinus Torvalds unsigned int sco_pkts; 3516ed58ec5SVille Tervo unsigned int le_pkts; 3521da177e4SLinus Torvalds 353350ee4cfSAndrei Emeltchenko __u16 block_len; 354350ee4cfSAndrei Emeltchenko __u16 block_mtu; 355350ee4cfSAndrei Emeltchenko __u16 num_blocks; 356350ee4cfSAndrei Emeltchenko __u16 block_cnt; 357350ee4cfSAndrei Emeltchenko 3581da177e4SLinus Torvalds unsigned long acl_last_tx; 3591da177e4SLinus Torvalds unsigned long sco_last_tx; 3606ed58ec5SVille Tervo unsigned long le_last_tx; 3611da177e4SLinus Torvalds 3626decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 3636decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 3646decb5b4SJaganath Kanakkassery 365f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3666ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 367f48fd9c8SMarcel Holtmann 368ab81cbf9SJohan Hedberg struct work_struct power_on; 3693243553fSJohan Hedberg struct delayed_work power_off; 370c7741d16SMarcel Holtmann struct work_struct error_reset; 371ab81cbf9SJohan Hedberg 37216ab91abSJohan Hedberg __u16 discov_timeout; 37316ab91abSJohan Hedberg struct delayed_work discov_off; 37416ab91abSJohan Hedberg 3757d78525dSJohan Hedberg struct delayed_work service_cache; 3767d78525dSJohan Hedberg 37765cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 378b78752ccSMarcel Holtmann 379b78752ccSMarcel Holtmann struct work_struct rx_work; 380c347b765SGustavo F. Padovan struct work_struct cmd_work; 3813eff45eaSGustavo F. Padovan struct work_struct tx_work; 3821da177e4SLinus Torvalds 383e68f072bSJohan Hedberg struct work_struct discov_update; 3842e93e53bSJohan Hedberg struct work_struct bg_scan_update; 38501b1cb87SJohan Hedberg struct work_struct scan_update; 38653c0ba74SJohan Hedberg struct work_struct connectable_update; 387aed1a885SJohan Hedberg struct work_struct discoverable_update; 3887c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 3897c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 3902e93e53bSJohan Hedberg 3911da177e4SLinus Torvalds struct sk_buff_head rx_q; 3921da177e4SLinus Torvalds struct sk_buff_head raw_q; 3931da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3961da177e4SLinus Torvalds 397a6a67efdSThomas Gleixner struct mutex req_lock; 3981da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3991da177e4SLinus Torvalds __u32 req_status; 4001da177e4SLinus Torvalds __u32 req_result; 401f60cb305SJohan Hedberg struct sk_buff *req_skb; 402a5040efaSJohan Hedberg 40370db83c4SJohan Hedberg void *smp_data; 404ef8efe4bSJohan Hedberg void *smp_bredr_data; 4052e58ef3eSJohan Hedberg 40630883512SJohan Hedberg struct discovery_state discovery; 4079952d90eSAbhishek Pandit-Subedi 4089952d90eSAbhishek Pandit-Subedi struct notifier_block suspend_notifier; 4099952d90eSAbhishek Pandit-Subedi struct work_struct suspend_prepare; 4109952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state_next; 4119952d90eSAbhishek Pandit-Subedi enum suspended_state suspend_state; 4129952d90eSAbhishek Pandit-Subedi 4139952d90eSAbhishek Pandit-Subedi wait_queue_head_t suspend_wait_q; 4149952d90eSAbhishek Pandit-Subedi DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 4159952d90eSAbhishek Pandit-Subedi 4161da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 4175c136e90SAndre Guedes 4185c136e90SAndre Guedes struct list_head mgmt_pending; 419ea4bd8baSDavid Miller struct list_head blacklist; 4206659358eSJohan Hedberg struct list_head whitelist; 4212aeb9a1aSJohan Hedberg struct list_head uuids; 42255ed8ca1SJohan Hedberg struct list_head link_keys; 423b899efafSVinicius Costa Gomes struct list_head long_term_keys; 424970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 4252763eda6SSzymon Janc struct list_head remote_oob_data; 426d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 427cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 42815819a70SAndre Guedes struct list_head le_conn_params; 42977a77a30SAndre Guedes struct list_head pend_le_conns; 43066f8455aSJohan Hedberg struct list_head pend_le_reports; 431600a8749SAlain Michaud struct list_head blocked_keys; 4322763eda6SSzymon Janc 4331da177e4SLinus Torvalds struct hci_dev_stats stat; 4341da177e4SLinus Torvalds 4351da177e4SLinus Torvalds atomic_t promisc; 4361da177e4SLinus Torvalds 4375177a838SMarcel Holtmann const char *hw_info; 4385177a838SMarcel Holtmann const char *fw_info; 439ca325f69SMarcel Holtmann struct dentry *debugfs; 440ca325f69SMarcel Holtmann 441a91f2e39SMarcel Holtmann struct device dev; 4421da177e4SLinus Torvalds 443611b30f7SMarcel Holtmann struct rfkill *rfkill; 444611b30f7SMarcel Holtmann 445eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 446d23264a8SAndre Guedes 4478fa19098SJohan Hedberg __s8 adv_tx_power; 4483f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 4493f0f524bSJohan Hedberg __u8 adv_data_len; 450f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 451f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 4528fa19098SJohan Hedberg 453d2609b34SFlorian Grandel struct list_head adv_instances; 454d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 455d2609b34SFlorian Grandel __u8 cur_adv_instance; 4565d900e46SFlorian Grandel __u16 adv_instance_timeout; 4575d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 458203fea01SArman Uguray 459863efaf2SJohan Hedberg __u8 irk[16]; 460d6bfd59cSJohan Hedberg __u32 rpa_timeout; 461d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 4622b5224dcSMarcel Holtmann bdaddr_t rpa; 463863efaf2SJohan Hedberg 46453f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 4656d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 46653f863a6SMarcel Holtmann #endif 4676d5d2ee6SHeiner Kallweit 4681da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 4691da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4701da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 471f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 472a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4737bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 4741da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 475c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 47698a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 4774b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 47824c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 479e2bef384SRajat Jain void (*cmd_timeout)(struct hci_dev *hdev); 4801da177e4SLinus Torvalds }; 4811da177e4SLinus Torvalds 48253502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 48353502d69SAndrei Emeltchenko 4841da177e4SLinus Torvalds struct hci_conn { 4851da177e4SLinus Torvalds struct list_head list; 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvalds atomic_t refcnt; 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvalds bdaddr_t dst; 49029b7988aSAndre Guedes __u8 dst_type; 491662e8820SMarcel Holtmann bdaddr_t src; 492e7c4096eSMarcel Holtmann __u8 src_type; 493cb1d68f7SJohan Hedberg bdaddr_t init_addr; 494cb1d68f7SJohan Hedberg __u8 init_addr_type; 495cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 496cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4971da177e4SLinus Torvalds __u16 handle; 4981da177e4SLinus Torvalds __u16 state; 49904837f64SMarcel Holtmann __u8 mode; 5001da177e4SLinus Torvalds __u8 type; 50140bef302SJohan Hedberg __u8 role; 502a0c808b3SJohan Hedberg bool out; 5034c67bc74SMarcel Holtmann __u8 attempt; 5041da177e4SLinus Torvalds __u8 dev_class[3]; 505cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 506a8746417SMarcel Holtmann __u16 pkt_type; 50704837f64SMarcel Holtmann __u16 link_policy; 50813d39315SWaldemar Rymarkiewicz __u8 key_type; 50940be492fSMarcel Holtmann __u8 auth_type; 5108c1b2355SMarcel Holtmann __u8 sec_level; 511765c2a96SJohan Hedberg __u8 pending_sec_level; 512980e1a53SJohan Hedberg __u8 pin_length; 513726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 51417fa4b9dSJohan Hedberg __u8 io_capability; 51592a25256SJohan Hedberg __u32 passkey_notify; 51692a25256SJohan Hedberg __u8 passkey_entered; 517052b30b0SMarcel Holtmann __u16 disc_timeout; 51809ae260bSJohan Hedberg __u16 conn_timeout; 51910c62ddcSFrédéric Dalleau __u16 setting; 520302975cbSSpoorthi Ravishankar Koppad __u16 auth_payload_timeout; 5211e406eefSAndre Guedes __u16 le_conn_min_interval; 5221e406eefSAndre Guedes __u16 le_conn_max_interval; 523e04fde60SMarcel Holtmann __u16 le_conn_interval; 524e04fde60SMarcel Holtmann __u16 le_conn_latency; 525e04fde60SMarcel Holtmann __u16 le_supv_timeout; 526fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 527fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 5281efd927dSLuiz Augusto von Dentz __u8 le_tx_phy; 5291efd927dSLuiz Augusto von Dentz __u8 le_rx_phy; 5305ae76a94SAndrzej Kaczmarek __s8 rssi; 5315a134faeSAndrzej Kaczmarek __s8 tx_power; 532d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 53351a8efd7SJohan Hedberg unsigned long flags; 5341da177e4SLinus Torvalds 53533f35721SJohan Hedberg __u32 clock; 53633f35721SJohan Hedberg __u16 clock_accuracy; 53733f35721SJohan Hedberg 538dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 539dd983808SAndrzej Kaczmarek 54003b555e1SJohan Hedberg __u8 remote_cap; 54103b555e1SJohan Hedberg __u8 remote_auth; 5423161ae1cSAndrei Emeltchenko __u8 remote_id; 54303b555e1SJohan Hedberg 5441da177e4SLinus Torvalds unsigned int sent; 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds struct sk_buff_head data_q; 5472c33c06aSGustavo F. Padovan struct list_head chan_list; 5481da177e4SLinus Torvalds 54919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 5507bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 551a74a84f6SJohan Hedberg struct delayed_work idle_work; 5529489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 5538ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 5541da177e4SLinus Torvalds 555b219e3acSMarcel Holtmann struct device dev; 55623b9ceb7SMarcel Holtmann struct dentry *debugfs; 557b219e3acSMarcel Holtmann 5581da177e4SLinus Torvalds struct hci_dev *hdev; 5591da177e4SLinus Torvalds void *l2cap_data; 5601da177e4SLinus Torvalds void *sco_data; 5619740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds struct hci_conn *link; 564e9a416b5SJohan Hedberg 565e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 566e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 567e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 5681da177e4SLinus Torvalds }; 5691da177e4SLinus Torvalds 57073d80debSLuiz Augusto von Dentz struct hci_chan { 57173d80debSLuiz Augusto von Dentz struct list_head list; 57242c4e53eSAndrei Emeltchenko __u16 handle; 57373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 57473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 57573d80debSLuiz Augusto von Dentz unsigned int sent; 576168df8e5SMat Martineau __u8 state; 57773d80debSLuiz Augusto von Dentz }; 57873d80debSLuiz Augusto von Dentz 57915819a70SAndre Guedes struct hci_conn_params { 58015819a70SAndre Guedes struct list_head list; 58193450c75SJohan Hedberg struct list_head action; 58215819a70SAndre Guedes 58315819a70SAndre Guedes bdaddr_t addr; 58415819a70SAndre Guedes u8 addr_type; 58515819a70SAndre Guedes 58615819a70SAndre Guedes u16 conn_min_interval; 58715819a70SAndre Guedes u16 conn_max_interval; 588f044eb05SMarcel Holtmann u16 conn_latency; 589f044eb05SMarcel Holtmann u16 supervision_timeout; 5909fcb18efSAndre Guedes 5919fcb18efSAndre Guedes enum { 5929fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 593a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5944b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5959fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5969fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 597158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5989fcb18efSAndre Guedes } auto_connect; 599f161dd41SJohan Hedberg 600f161dd41SJohan Hedberg struct hci_conn *conn; 601158e9218SJakub Pawlowski bool explicit_connect; 60215819a70SAndre Guedes }; 60315819a70SAndre Guedes 6041da177e4SLinus Torvalds extern struct list_head hci_dev_list; 6051da177e4SLinus Torvalds extern struct list_head hci_cb_list; 6061da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 607fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 6081da177e4SLinus Torvalds 609eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 610eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 611eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 612eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 613eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 614eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 615eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 616d7a5a11dSMarcel Holtmann 617eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 618eacb44dfSMarcel Holtmann do { \ 619eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 620eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 621eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 622eacb44dfSMarcel Holtmann } while (0) 623516018a9SMarcel Holtmann 624686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 625e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 626e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 6279b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 628686ebf28SUlisses Furquim 629ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 630e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 6319b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 632ff50e8afSArron Wang #else 633ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 634ff50e8afSArron Wang __u8 *flags) 635ff50e8afSArron Wang { 636ff50e8afSArron Wang return 0; 637ff50e8afSArron Wang } 638ff50e8afSArron Wang 639ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 640ff50e8afSArron Wang { 641ff50e8afSArron Wang } 642ff50e8afSArron Wang #endif 643686ebf28SUlisses Furquim 6441da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 64570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 64670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 6471da177e4SLinus Torvalds 64830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 6491da177e4SLinus Torvalds { 650ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 65130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 65230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 65330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 654da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 65537eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 6561da177e4SLinus Torvalds } 6571da177e4SLinus Torvalds 6580256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 6590256325eSMarcel Holtmann { 66082f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 661da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 6620256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 6630256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 6640256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 6650256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 6662d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 6672d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 6680256325eSMarcel Holtmann } 6690256325eSMarcel Holtmann 67030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 67130dc78e1SJohan Hedberg 672ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 673ff9ef578SJohan Hedberg 6741da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 6751da177e4SLinus Torvalds { 67630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 6771da177e4SLinus Torvalds } 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 6801da177e4SLinus Torvalds { 68130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6821da177e4SLinus Torvalds return jiffies - c->timestamp; 6831da177e4SLinus Torvalds } 6841da177e4SLinus Torvalds 6851da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6861da177e4SLinus Torvalds { 6871da177e4SLinus Torvalds return jiffies - e->timestamp; 6881da177e4SLinus Torvalds } 6891da177e4SLinus Torvalds 6905a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6915a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 692561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 693561aafbcSJohan Hedberg bdaddr_t *bdaddr); 69430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 69530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 69630dc78e1SJohan Hedberg int state); 697a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 698a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 699af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 700af58925cSMarcel Holtmann bool name_known); 7011f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 7021da177e4SLinus Torvalds 7031da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 7041da177e4SLinus Torvalds enum { 7051da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 70619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 7071da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 70804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 70904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 710e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 711b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 71258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 713eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 714abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 71558a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 716af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 7174dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 7184dae2798SJohan Hedberg HCI_CONN_AUTH, 7194dae2798SJohan Hedberg HCI_CONN_SECURE, 7204dae2798SJohan Hedberg HCI_CONN_FIPS, 721fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 722977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 723f94b665dSJohan Hedberg HCI_CONN_DROP, 72489cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 725fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 726158e9218SJakub Pawlowski HCI_CONN_SCANNING, 727160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 7281da177e4SLinus Torvalds }; 7291da177e4SLinus Torvalds 730aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 731aa64a8b5SJohan Hedberg { 732aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 733d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 734c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 735aa64a8b5SJohan Hedberg } 736aa64a8b5SJohan Hedberg 737eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 738eb9a8f3fSMarcel Holtmann { 739eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 740d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 741eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 742eb9a8f3fSMarcel Holtmann } 743eb9a8f3fSMarcel Holtmann 7441da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 7451da177e4SLinus Torvalds { 7461da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 747bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 748fcd89c09SVille Tervo switch (c->type) { 749fcd89c09SVille Tervo case ACL_LINK: 7501da177e4SLinus Torvalds h->acl_num++; 751fcd89c09SVille Tervo break; 752bd1eb66bSAndrei Emeltchenko case AMP_LINK: 753bd1eb66bSAndrei Emeltchenko h->amp_num++; 754bd1eb66bSAndrei Emeltchenko break; 755fcd89c09SVille Tervo case LE_LINK: 756fcd89c09SVille Tervo h->le_num++; 757f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 758f8218dc6SJohan Hedberg h->le_num_slave++; 759fcd89c09SVille Tervo break; 760fcd89c09SVille Tervo case SCO_LINK: 761fcd89c09SVille Tervo case ESCO_LINK: 7621da177e4SLinus Torvalds h->sco_num++; 763fcd89c09SVille Tervo break; 764fcd89c09SVille Tervo } 7651da177e4SLinus Torvalds } 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 7681da177e4SLinus Torvalds { 7691da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 770bf4c6325SGustavo F. Padovan 771bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 772bf4c6325SGustavo F. Padovan synchronize_rcu(); 773bf4c6325SGustavo F. Padovan 774fcd89c09SVille Tervo switch (c->type) { 775fcd89c09SVille Tervo case ACL_LINK: 7761da177e4SLinus Torvalds h->acl_num--; 777fcd89c09SVille Tervo break; 778bd1eb66bSAndrei Emeltchenko case AMP_LINK: 779bd1eb66bSAndrei Emeltchenko h->amp_num--; 780bd1eb66bSAndrei Emeltchenko break; 781fcd89c09SVille Tervo case LE_LINK: 782fcd89c09SVille Tervo h->le_num--; 783f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 784f8218dc6SJohan Hedberg h->le_num_slave--; 785fcd89c09SVille Tervo break; 786fcd89c09SVille Tervo case SCO_LINK: 787fcd89c09SVille Tervo case ESCO_LINK: 7881da177e4SLinus Torvalds h->sco_num--; 789fcd89c09SVille Tervo break; 790fcd89c09SVille Tervo } 7911da177e4SLinus Torvalds } 7921da177e4SLinus Torvalds 79352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 79452087a79SLuiz Augusto von Dentz { 79552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 79652087a79SLuiz Augusto von Dentz switch (type) { 79752087a79SLuiz Augusto von Dentz case ACL_LINK: 79852087a79SLuiz Augusto von Dentz return h->acl_num; 799bd1eb66bSAndrei Emeltchenko case AMP_LINK: 800bd1eb66bSAndrei Emeltchenko return h->amp_num; 80152087a79SLuiz Augusto von Dentz case LE_LINK: 80252087a79SLuiz Augusto von Dentz return h->le_num; 80352087a79SLuiz Augusto von Dentz case SCO_LINK: 80452087a79SLuiz Augusto von Dentz case ESCO_LINK: 80552087a79SLuiz Augusto von Dentz return h->sco_num; 80652087a79SLuiz Augusto von Dentz default: 80752087a79SLuiz Augusto von Dentz return 0; 80852087a79SLuiz Augusto von Dentz } 80952087a79SLuiz Augusto von Dentz } 81052087a79SLuiz Augusto von Dentz 811f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 812f4f07505SJohan Hedberg { 813f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 814f4f07505SJohan Hedberg 815f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 816f4f07505SJohan Hedberg } 817f4f07505SJohan Hedberg 818845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 819845472e8SMarcel Holtmann { 820845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 821845472e8SMarcel Holtmann struct hci_conn *c; 822845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 823845472e8SMarcel Holtmann 824845472e8SMarcel Holtmann rcu_read_lock(); 825845472e8SMarcel Holtmann 826845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 827845472e8SMarcel Holtmann if (c->handle == handle) { 828845472e8SMarcel Holtmann type = c->type; 829845472e8SMarcel Holtmann break; 830845472e8SMarcel Holtmann } 831845472e8SMarcel Holtmann } 832845472e8SMarcel Holtmann 833845472e8SMarcel Holtmann rcu_read_unlock(); 834845472e8SMarcel Holtmann 835845472e8SMarcel Holtmann return type; 836845472e8SMarcel Holtmann } 837845472e8SMarcel Holtmann 8381da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 8391da177e4SLinus Torvalds __u16 handle) 8401da177e4SLinus Torvalds { 8411da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 8421da177e4SLinus Torvalds struct hci_conn *c; 8431da177e4SLinus Torvalds 844bf4c6325SGustavo F. Padovan rcu_read_lock(); 845bf4c6325SGustavo F. Padovan 846bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 847bf4c6325SGustavo F. Padovan if (c->handle == handle) { 848bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8491da177e4SLinus Torvalds return c; 8501da177e4SLinus Torvalds } 851bf4c6325SGustavo F. Padovan } 852bf4c6325SGustavo F. Padovan rcu_read_unlock(); 853bf4c6325SGustavo F. Padovan 8541da177e4SLinus Torvalds return NULL; 8551da177e4SLinus Torvalds } 8561da177e4SLinus Torvalds 8571da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 8581da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 8591da177e4SLinus Torvalds { 8601da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 8611da177e4SLinus Torvalds struct hci_conn *c; 8621da177e4SLinus Torvalds 863bf4c6325SGustavo F. Padovan rcu_read_lock(); 864bf4c6325SGustavo F. Padovan 865bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 866bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 867bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8681da177e4SLinus Torvalds return c; 8691da177e4SLinus Torvalds } 870bf4c6325SGustavo F. Padovan } 871bf4c6325SGustavo F. Padovan 872bf4c6325SGustavo F. Padovan rcu_read_unlock(); 873bf4c6325SGustavo F. Padovan 8741da177e4SLinus Torvalds return NULL; 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds 8771b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 8781b51c7b6SJohan Hedberg bdaddr_t *ba, 8791b51c7b6SJohan Hedberg __u8 ba_type) 8801b51c7b6SJohan Hedberg { 8811b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 8821b51c7b6SJohan Hedberg struct hci_conn *c; 8831b51c7b6SJohan Hedberg 8841b51c7b6SJohan Hedberg rcu_read_lock(); 8851b51c7b6SJohan Hedberg 8861b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 8871b51c7b6SJohan Hedberg if (c->type != LE_LINK) 8881b51c7b6SJohan Hedberg continue; 8891b51c7b6SJohan Hedberg 8901b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 8911b51c7b6SJohan Hedberg rcu_read_unlock(); 8921b51c7b6SJohan Hedberg return c; 8931b51c7b6SJohan Hedberg } 8941b51c7b6SJohan Hedberg } 8951b51c7b6SJohan Hedberg 8961b51c7b6SJohan Hedberg rcu_read_unlock(); 8971b51c7b6SJohan Hedberg 8981b51c7b6SJohan Hedberg return NULL; 8991b51c7b6SJohan Hedberg } 9001b51c7b6SJohan Hedberg 9014c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 9024c67bc74SMarcel Holtmann __u8 type, __u16 state) 9034c67bc74SMarcel Holtmann { 9044c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 9054c67bc74SMarcel Holtmann struct hci_conn *c; 9064c67bc74SMarcel Holtmann 907bf4c6325SGustavo F. Padovan rcu_read_lock(); 908bf4c6325SGustavo F. Padovan 909bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 910bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 911bf4c6325SGustavo F. Padovan rcu_read_unlock(); 9124c67bc74SMarcel Holtmann return c; 9134c67bc74SMarcel Holtmann } 914bf4c6325SGustavo F. Padovan } 915bf4c6325SGustavo F. Padovan 916bf4c6325SGustavo F. Padovan rcu_read_unlock(); 917bf4c6325SGustavo F. Padovan 9184c67bc74SMarcel Holtmann return NULL; 9194c67bc74SMarcel Holtmann } 9204c67bc74SMarcel Holtmann 921e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 922e7d9ab73SJakub Pawlowski { 923e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 924e7d9ab73SJakub Pawlowski struct hci_conn *c; 925e7d9ab73SJakub Pawlowski 926e7d9ab73SJakub Pawlowski rcu_read_lock(); 927e7d9ab73SJakub Pawlowski 928e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 929e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 930e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 931e7d9ab73SJakub Pawlowski rcu_read_unlock(); 932e7d9ab73SJakub Pawlowski return c; 933e7d9ab73SJakub Pawlowski } 934e7d9ab73SJakub Pawlowski } 935e7d9ab73SJakub Pawlowski 936e7d9ab73SJakub Pawlowski rcu_read_unlock(); 937e7d9ab73SJakub Pawlowski 938e7d9ab73SJakub Pawlowski return NULL; 939e7d9ab73SJakub Pawlowski } 940e7d9ab73SJakub Pawlowski 941e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 9422dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 943e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 9441da177e4SLinus Torvalds 945a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 946a5c4e309SJohan Hedberg u8 role); 9471da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 9481da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 949a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 9501da177e4SLinus Torvalds 95173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 9529472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 9532c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 95442c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 95573d80debSLuiz Augusto von Dentz 956f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 957f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 9580ad06aa6SJohan Hedberg u16 conn_timeout); 95904a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 960cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 961082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 96204a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 96304a6c589SAndre Guedes u8 sec_level, u8 auth_type); 96410c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 96510c62ddcSFrédéric Dalleau __u16 setting); 966e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 967b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 968e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 969e7cafc45SJohan Hedberg bool initiator); 9708c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 9711da177e4SLinus Torvalds 97214b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 9731da177e4SLinus Torvalds 97406c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 97506c053fbSAndre Guedes 9768d12356fSDavid Herrmann /* 9778d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 9788d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 9798d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 9808d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 9818d12356fSDavid Herrmann * other constant data. 9828d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 9838d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 9848d12356fSDavid Herrmann * get dropped, though. 9858d12356fSDavid Herrmann * 9868d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 9878d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 9888d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 9898d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 9908d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 9918d12356fSDavid Herrmann * hci_conn_add()). 9928d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 9938d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 9948d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 9958d12356fSDavid Herrmann */ 9968d12356fSDavid Herrmann 99751bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 9988d12356fSDavid Herrmann { 9998d12356fSDavid Herrmann get_device(&conn->dev); 100051bb8457SJohan Hedberg return conn; 10018d12356fSDavid Herrmann } 10028d12356fSDavid Herrmann 10038d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 10048d12356fSDavid Herrmann { 10058d12356fSDavid Herrmann put_device(&conn->dev); 10068d12356fSDavid Herrmann } 10078d12356fSDavid Herrmann 10081da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 10091da177e4SLinus Torvalds { 101071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 101138b3fef1SAndrei Emeltchenko 10121da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 10132f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 10141da177e4SLinus Torvalds } 10151da177e4SLinus Torvalds 101676a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 10171da177e4SLinus Torvalds { 101871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 101938b3fef1SAndrei Emeltchenko 10201da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 102104837f64SMarcel Holtmann unsigned long timeo; 1022716e4ab5SAndrei Emeltchenko 1023716e4ab5SAndrei Emeltchenko switch (conn->type) { 1024716e4ab5SAndrei Emeltchenko case ACL_LINK: 1025716e4ab5SAndrei Emeltchenko case LE_LINK: 1026a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 10276ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 10285f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 102904837f64SMarcel Holtmann if (!conn->out) 1030052b30b0SMarcel Holtmann timeo *= 2; 10315a9d0a3fSWaldemar Rymarkiewicz } else { 1032eb78d7e5SJohan Hedberg timeo = 0; 10335a9d0a3fSWaldemar Rymarkiewicz } 1034716e4ab5SAndrei Emeltchenko break; 1035716e4ab5SAndrei Emeltchenko 1036716e4ab5SAndrei Emeltchenko case AMP_LINK: 1037716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 1038716e4ab5SAndrei Emeltchenko break; 1039716e4ab5SAndrei Emeltchenko 1040716e4ab5SAndrei Emeltchenko default: 1041eb78d7e5SJohan Hedberg timeo = 0; 1042716e4ab5SAndrei Emeltchenko break; 10435a9d0a3fSWaldemar Rymarkiewicz } 1044716e4ab5SAndrei Emeltchenko 10452f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 104619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 10471931782bSVinicius Costa Gomes &conn->disc_work, timeo); 10481da177e4SLinus Torvalds } 10491da177e4SLinus Torvalds } 10501da177e4SLinus Torvalds 10511da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 1052dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 10531da177e4SLinus Torvalds { 1054376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 10552c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1056376261aeSAndrei Emeltchenko 10574c724c71SDavid Herrmann put_device(&d->dev); 1058010666a1SDavid Herrmann } 10591da177e4SLinus Torvalds 1060dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 10611da177e4SLinus Torvalds { 1062376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 10632c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1064376261aeSAndrei Emeltchenko 10654c724c71SDavid Herrmann get_device(&d->dev); 10661da177e4SLinus Torvalds return d; 10671da177e4SLinus Torvalds } 10681da177e4SLinus Torvalds 106909fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 107009fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 10711da177e4SLinus Torvalds 1072aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 10733dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1074aa2b86d7SDavid Herrmann 1075155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1076155961e8SDavid Herrmann { 1077155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1078155961e8SDavid Herrmann } 1079155961e8SDavid Herrmann 1080155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1081155961e8SDavid Herrmann { 1082155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1083155961e8SDavid Herrmann } 1084155961e8SDavid Herrmann 10851da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 108639385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 10871da177e4SLinus Torvalds 10881da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 10891da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 10901da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 109159735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 10921da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 10931da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 109475e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1095f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1096f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 10971aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 10981aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 10991da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 11001da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 11016b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 11021da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 11031da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 11041da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 11051da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 11061da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 11071da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 11081da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 110940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 11101da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 11111da177e4SLinus Torvalds 1112dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1113b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1114b950aa88SAnkit Navik struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1115b950aa88SAnkit Navik struct list_head *list, bdaddr_t *bdaddr, 1116b950aa88SAnkit Navik u8 type); 1117dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1118b950aa88SAnkit Navik int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1119b950aa88SAnkit Navik u8 type, u8 *peer_irk, u8 *local_irk); 1120dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1121b950aa88SAnkit Navik int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1122b950aa88SAnkit Navik u8 type); 1123dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1124d2ab0ac1SMarcel Holtmann 112515819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 112615819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 112751d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 112851d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 112915819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 113055af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 113115819a70SAndre Guedes 1132501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1133501f8827SJohan Hedberg bdaddr_t *addr, 1134501f8827SJohan Hedberg u8 addr_type); 113577a77a30SAndre Guedes 113635f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 11372aeb9a1aSJohan Hedberg 113835f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 113955ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1140567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 11417652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 11427652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1143ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 114435d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1145fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1146f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1147e804d25dSJohan Hedberg u8 addr_type, u8 role); 1148e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 114935f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 115055ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 115155ed8ca1SJohan Hedberg 1152970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1153970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1154970c4e46SJohan Hedberg u8 addr_type); 1155ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1156ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1157a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1158600a8749SAlain Michaud bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1159600a8749SAlain Michaud void hci_blocked_keys_clear(struct hci_dev *hdev); 1160970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1161970c4e46SJohan Hedberg 116255e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 116355e76b38SJohan Hedberg 116435f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 11652763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 11666928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 11670798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 11686928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 116938da1703SJohan Hedberg u8 *hash256, u8 *rand256); 11706928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 11716928a924SJohan Hedberg u8 bdaddr_type); 11722763eda6SSzymon Janc 1173d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1174d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1175d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1176d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1177d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1178d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1179d2609b34SFlorian Grandel u16 timeout, u16 duration); 1180d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1181a73c046aSJaganath Kanakkassery void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1182d2609b34SFlorian Grandel 11831da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 11841da177e4SLinus Torvalds 11850ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1186a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1187b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1188b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 11891da177e4SLinus Torvalds 11906935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1193cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1194cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1195cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1196cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1197cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1198cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1199cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1200cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1201cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1202cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1203cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1204cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1205cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1206cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1207cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1208cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1209cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1210cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 121107a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 12125075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 12135075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 12145075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 12155075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 12161da177e4SLinus Torvalds 1217eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 121853b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 121953b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 122053b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 122153b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1222d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1223d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 122453b834d2SMarcel Holtmann 122553b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1226cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1227d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1228cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1229cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1230eead27daSAndre Guedes 1231d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1232d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 123305b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1234d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1235432df05eSJohan Hedberg 123645bdd86eSJaganath Kanakkassery #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 123745bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 123845bdd86eSJaganath Kanakkassery 123945bdd86eSJaganath Kanakkassery #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 124045bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 124145bdd86eSJaganath Kanakkassery 124245bdd86eSJaganath Kanakkassery #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 124345bdd86eSJaganath Kanakkassery ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 124445bdd86eSJaganath Kanakkassery 1245a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1246a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1247a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 12484d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 12494d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1250a2344b9eSJaganath Kanakkassery 12516b49bcb4SJaganath Kanakkassery /* Extended advertising support */ 12526b49bcb4SJaganath Kanakkassery #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 12536b49bcb4SJaganath Kanakkassery 12541da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 125520714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 125620714bfeSFrédéric Dalleau 12575a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 125820714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 12591da177e4SLinus Torvalds { 1260686ebf28SUlisses Furquim switch (type) { 1261686ebf28SUlisses Furquim case ACL_LINK: 1262686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 12631da177e4SLinus Torvalds 1264686ebf28SUlisses Furquim case SCO_LINK: 1265686ebf28SUlisses Furquim case ESCO_LINK: 126620714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 12671da177e4SLinus Torvalds 1268686ebf28SUlisses Furquim default: 1269686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1270686ebf28SUlisses Furquim return -EINVAL; 1271686ebf28SUlisses Furquim } 12721da177e4SLinus Torvalds } 12731da177e4SLinus Torvalds 12742950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 12752950f21aSMarcel Holtmann { 1276686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1277686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 12782950f21aSMarcel Holtmann 1279686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 12802950f21aSMarcel Holtmann } 12812950f21aSMarcel Holtmann 12821da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 12831da177e4SLinus Torvalds struct hci_cb { 12841da177e4SLinus Torvalds struct list_head list; 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvalds char *name; 12871da177e4SLinus Torvalds 1288539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 12893a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 12905a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 12915a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 12921da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 12931da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 12941da177e4SLinus Torvalds }; 12951da177e4SLinus Torvalds 1296539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1297539c496dSJohan Hedberg { 1298539c496dSJohan Hedberg struct hci_cb *cb; 1299539c496dSJohan Hedberg 1300539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1301539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1302539c496dSJohan Hedberg if (cb->connect_cfm) 1303539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1304539c496dSJohan Hedberg } 1305539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1306539c496dSJohan Hedberg 1307539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1308539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1309539c496dSJohan Hedberg } 1310539c496dSJohan Hedberg 13113a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 13123a6d576bSJohan Hedberg { 13133a6d576bSJohan Hedberg struct hci_cb *cb; 13143a6d576bSJohan Hedberg 13153a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 13163a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 13173a6d576bSJohan Hedberg if (cb->disconn_cfm) 13183a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 13193a6d576bSJohan Hedberg } 13203a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 13213a6d576bSJohan Hedberg 13223a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 13233a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 13243a6d576bSJohan Hedberg } 13253a6d576bSJohan Hedberg 13261da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 13271da177e4SLinus Torvalds { 1328711584eaSDenis Kirjanov struct hci_cb *cb; 13298c1b2355SMarcel Holtmann __u8 encrypt; 13301da177e4SLinus Torvalds 133151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 13328c1b2355SMarcel Holtmann return; 13338c1b2355SMarcel Holtmann 13344dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 13358c1b2355SMarcel Holtmann 1336fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1337711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13388c1b2355SMarcel Holtmann if (cb->security_cfm) 13398c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 13401da177e4SLinus Torvalds } 1341fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1342354fe804SJohan Hedberg 1343354fe804SJohan Hedberg if (conn->security_cfm_cb) 1344354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 13451da177e4SLinus Torvalds } 13461da177e4SLinus Torvalds 13475a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 13485a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 13491da177e4SLinus Torvalds { 1350711584eaSDenis Kirjanov struct hci_cb *cb; 13511da177e4SLinus Torvalds 1352435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1353435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1354435fef20SMarcel Holtmann 135588167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 135688167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 135788167aedSVinicius Costa Gomes 1358fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1359711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13608c1b2355SMarcel Holtmann if (cb->security_cfm) 13618c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 13621da177e4SLinus Torvalds } 1363fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1364354fe804SJohan Hedberg 1365354fe804SJohan Hedberg if (conn->security_cfm_cb) 1366354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 13671da177e4SLinus Torvalds } 13681da177e4SLinus Torvalds 13691da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 13701da177e4SLinus Torvalds { 1371711584eaSDenis Kirjanov struct hci_cb *cb; 13721da177e4SLinus Torvalds 1373fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1374711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13751da177e4SLinus Torvalds if (cb->key_change_cfm) 13761da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 13771da177e4SLinus Torvalds } 1378fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 13791da177e4SLinus Torvalds } 13801da177e4SLinus Torvalds 13815a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 13825a9d0a3fSWaldemar Rymarkiewicz __u8 role) 13831da177e4SLinus Torvalds { 1384711584eaSDenis Kirjanov struct hci_cb *cb; 13851da177e4SLinus Torvalds 1386fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1387711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13881da177e4SLinus Torvalds if (cb->role_switch_cfm) 13891da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 13901da177e4SLinus Torvalds } 1391fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 13921da177e4SLinus Torvalds } 13931da177e4SLinus Torvalds 13940d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 13950d3b7f64SJohan Hedberg size_t *data_len) 13966759a675SJohan Hedberg { 139784d9d071SJohan Hedberg size_t parsed = 0; 13986759a675SJohan Hedberg 13990d3b7f64SJohan Hedberg if (eir_len < 2) 14000d3b7f64SJohan Hedberg return NULL; 14016c0c331eSJohan Hedberg 14020d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 14030d3b7f64SJohan Hedberg u8 field_len = eir[0]; 14046759a675SJohan Hedberg 14056759a675SJohan Hedberg if (field_len == 0) 14066759a675SJohan Hedberg break; 14076759a675SJohan Hedberg 14086759a675SJohan Hedberg parsed += field_len + 1; 14096759a675SJohan Hedberg 14100d3b7f64SJohan Hedberg if (parsed > eir_len) 14116759a675SJohan Hedberg break; 14126759a675SJohan Hedberg 14130d3b7f64SJohan Hedberg if (eir[1] != type) { 14140d3b7f64SJohan Hedberg eir += field_len + 1; 14150d3b7f64SJohan Hedberg continue; 14166759a675SJohan Hedberg } 14176759a675SJohan Hedberg 14180d3b7f64SJohan Hedberg /* Zero length data */ 14190d3b7f64SJohan Hedberg if (field_len == 1) 14200d3b7f64SJohan Hedberg return NULL; 14210d3b7f64SJohan Hedberg 14220d3b7f64SJohan Hedberg if (data_len) 14230d3b7f64SJohan Hedberg *data_len = field_len - 1; 14240d3b7f64SJohan Hedberg 14250d3b7f64SJohan Hedberg return &eir[2]; 14260d3b7f64SJohan Hedberg } 14270d3b7f64SJohan Hedberg 14280d3b7f64SJohan Hedberg return NULL; 14296759a675SJohan Hedberg } 14306759a675SJohan Hedberg 1431301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1432301cb2d8SJohan Hedberg { 1433dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1434301cb2d8SJohan Hedberg return false; 1435301cb2d8SJohan Hedberg 1436301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1437301cb2d8SJohan Hedberg return true; 1438301cb2d8SJohan Hedberg 1439301cb2d8SJohan Hedberg return false; 1440301cb2d8SJohan Hedberg } 1441301cb2d8SJohan Hedberg 1442c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1443c46245b3SJohan Hedberg { 1444c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1445c46245b3SJohan Hedberg return true; 1446c46245b3SJohan Hedberg 1447c46245b3SJohan Hedberg /* Check for Random Static address type */ 1448c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1449c46245b3SJohan Hedberg return true; 1450c46245b3SJohan Hedberg 1451c46245b3SJohan Hedberg return false; 1452c46245b3SJohan Hedberg } 1453c46245b3SJohan Hedberg 14542426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 14552426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 14562426f3a5SJohan Hedberg { 14572426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 14582426f3a5SJohan Hedberg return NULL; 14592426f3a5SJohan Hedberg 14602426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 14612426f3a5SJohan Hedberg } 14622426f3a5SJohan Hedberg 1463d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1464d4905f24SAndre Guedes u16 to_multiplier) 1465d4905f24SAndre Guedes { 1466d4905f24SAndre Guedes u16 max_latency; 1467d4905f24SAndre Guedes 1468d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1469d4905f24SAndre Guedes return -EINVAL; 1470d4905f24SAndre Guedes 1471d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1472d4905f24SAndre Guedes return -EINVAL; 1473d4905f24SAndre Guedes 1474d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1475d4905f24SAndre Guedes return -EINVAL; 1476d4905f24SAndre Guedes 14778757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1478d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1479d4905f24SAndre Guedes return -EINVAL; 1480d4905f24SAndre Guedes 1481d4905f24SAndre Guedes return 0; 1482d4905f24SAndre Guedes } 1483d4905f24SAndre Guedes 14841da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 14851da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 14861da177e4SLinus Torvalds 148775e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 148807dc93ddSJohan Hedberg const void *param, u32 timeout); 14897b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 149007dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1491d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1492d6ee6ad7SLoic Poulain const void *param); 149375e84b7cSJohan Hedberg 149407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 149507dc93ddSJohan Hedberg const void *param); 149673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 14970d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 14981da177e4SLinus Torvalds 1499a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 15001da177e4SLinus Torvalds 1501fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1502fbef168fSLoic Poulain const void *param, u32 timeout); 1503fbef168fSLoic Poulain 1504eab2404bSLuiz Augusto von Dentz u32 hci_conn_get_phy(struct hci_conn *conn); 1505eab2404bSLuiz Augusto von Dentz 15061da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1507470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 15087129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1509c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1510cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 151138ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 151238ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 151338ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 15141da177e4SLinus Torvalds 1515040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1516040030efSMarcel Holtmann 1517a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1518a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1519a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1520a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1521b9a245fbSJohan Hedberg 1522801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1523801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1524801c1e8dSJohan Hedberg u16 data_len); 1525801c1e8dSJohan Hedberg size_t data_len; 1526b9a245fbSJohan Hedberg unsigned long flags; 1527801c1e8dSJohan Hedberg }; 1528801c1e8dSJohan Hedberg 1529801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1530801c1e8dSJohan Hedberg struct list_head list; 1531801c1e8dSJohan Hedberg unsigned short channel; 1532801c1e8dSJohan Hedberg size_t handler_count; 1533801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 153488b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1535801c1e8dSJohan Hedberg }; 1536801c1e8dSJohan Hedberg 1537801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1538801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1539801c1e8dSJohan Hedberg 15400381101fSJohan Hedberg /* Management interface */ 1541591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1542591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1543591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1544591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1545591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1546591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1547f39799f5SAndre Guedes 15480d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 15490d8cc935SAndre Guedes * Discovery Procedure specification. 15500d8cc935SAndre Guedes */ 15510d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 15520d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 15533d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1554ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 15550d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 15560d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 15574b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1558ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ 1559ad4a6795SSpoorthi Ravishankar Koppad #define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ 15600d8cc935SAndre Guedes 156103c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 156291a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1563bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1564bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 15653eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 15662ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 15672ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1568dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1569745c0ce3SVishal Agarwal bool persistent); 157048ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 157148ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 15729b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 157312d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 157412d4a3b2SJohan Hedberg bool mgmt_connected); 15757892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 157688c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1577445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 157848264f06SJohan Hedberg u8 addr_type, u8 status); 1579ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1580e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1581c35938b2SSzymon Janc u8 status); 15823eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1583744cf19eSJohan Hedberg u8 status); 1584744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 158539adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1586272d90dfSJohan Hedberg u8 confirm_hint); 1587744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1588272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1589272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1590272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1591272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1592272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1593604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1594272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1595272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1596272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 159792a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 159892a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 159992a25256SJohan Hedberg u8 entered); 1600e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1601464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 16023e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 16034e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 16047f9a903cSMarcel Holtmann u8 status); 16057667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1606e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 16072154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1608901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1609af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1610af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 16119cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1612b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 16132f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 161484c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 161553ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1616cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 161753ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 161853ac6ab6SMarcel Holtmann bool persistent); 1619ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1620f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1621f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1622f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1623f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 162453c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1625aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1626f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1627f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1628f2252570SJohan Hedberg u8 instance); 1629f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1630f2252570SJohan Hedberg u8 instance); 1631b7c23df8SJaganath Kanakkassery int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1632346af67bSVinicius Costa Gomes 16337d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 16347d6ca693SJohan Hedberg u16 to_multiplier); 1635fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 16368b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 16372519a1fcSAndre Guedes 1638a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1639a1f4c318SJohan Hedberg u8 *bdaddr_type); 1640ebd3a747SJohan Hedberg 16415d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 16425d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 16435d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 16445d4d62f6SFrédéric Dalleau 16451da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1646