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> 291da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 30f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 311da177e4SLinus Torvalds 325e59b791SLuiz Augusto von Dentz /* HCI priority */ 335e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 345e59b791SLuiz Augusto von Dentz 351da177e4SLinus Torvalds /* HCI Core structures */ 361da177e4SLinus Torvalds struct inquiry_data { 371da177e4SLinus Torvalds bdaddr_t bdaddr; 381da177e4SLinus Torvalds __u8 pscan_rep_mode; 391da177e4SLinus Torvalds __u8 pscan_period_mode; 401da177e4SLinus Torvalds __u8 pscan_mode; 411da177e4SLinus Torvalds __u8 dev_class[3]; 421ebb9252SMarcel Holtmann __le16 clock_offset; 431da177e4SLinus Torvalds __s8 rssi; 4441a96212SMarcel Holtmann __u8 ssp_mode; 451da177e4SLinus Torvalds }; 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds struct inquiry_entry { 48561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 49561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 50561aafbcSJohan Hedberg enum { 51561aafbcSJohan Hedberg NAME_NOT_KNOWN, 52561aafbcSJohan Hedberg NAME_NEEDED, 53561aafbcSJohan Hedberg NAME_PENDING, 54561aafbcSJohan Hedberg NAME_KNOWN, 55561aafbcSJohan Hedberg } name_state; 561da177e4SLinus Torvalds __u32 timestamp; 571da177e4SLinus Torvalds struct inquiry_data data; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 6030883512SJohan Hedberg struct discovery_state { 614aab14e5SAndre Guedes int type; 62ff9ef578SJohan Hedberg enum { 63ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 64ff9ef578SJohan Hedberg DISCOVERY_STARTING, 65343f935bSAndre Guedes DISCOVERY_FINDING, 6630dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 67ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 68ff9ef578SJohan Hedberg } state; 69561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 70561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 71561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 721da177e4SLinus Torvalds __u32 timestamp; 73b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 74b9a6328fSJohan Hedberg u8 last_adv_addr_type; 75ff5cd29fSJohan Hedberg s8 last_adv_rssi; 76c70a7e4cSMarcel Holtmann u32 last_adv_flags; 77b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 78b9a6328fSJohan Hedberg u8 last_adv_data_len; 79da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8082f8b651SJakub Pawlowski bool result_filtering; 8178b781caSJohan Hedberg bool limited; 8237eab042SJakub Pawlowski s8 rssi; 8337eab042SJakub Pawlowski u16 uuid_count; 8437eab042SJakub Pawlowski u8 (*uuids)[16]; 852d28cfe7SJakub Pawlowski unsigned long scan_start; 862d28cfe7SJakub Pawlowski unsigned long scan_duration; 871da177e4SLinus Torvalds }; 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds struct hci_conn_hash { 901da177e4SLinus Torvalds struct list_head list; 911da177e4SLinus Torvalds unsigned int acl_num; 92bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 931da177e4SLinus Torvalds unsigned int sco_num; 94fcd89c09SVille Tervo unsigned int le_num; 95f8218dc6SJohan Hedberg unsigned int le_num_slave; 961da177e4SLinus Torvalds }; 971da177e4SLinus Torvalds 98f0358568SJohan Hedberg struct bdaddr_list { 99f0358568SJohan Hedberg struct list_head list; 100f0358568SJohan Hedberg bdaddr_t bdaddr; 101b9ee0a78SMarcel Holtmann u8 bdaddr_type; 102f0358568SJohan Hedberg }; 1032aeb9a1aSJohan Hedberg 1042aeb9a1aSJohan Hedberg struct bt_uuid { 1052aeb9a1aSJohan Hedberg struct list_head list; 1062aeb9a1aSJohan Hedberg u8 uuid[16]; 10783be8ecaSJohan Hedberg u8 size; 1081aff6f09SJohan Hedberg u8 svc_hint; 1092aeb9a1aSJohan Hedberg }; 1102aeb9a1aSJohan Hedberg 1117ee4ea36SMarcel Holtmann struct smp_csrk { 1127ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1137ee4ea36SMarcel Holtmann u8 bdaddr_type; 1144cd3928aSJohan Hedberg u8 type; 1157ee4ea36SMarcel Holtmann u8 val[16]; 1167ee4ea36SMarcel Holtmann }; 1177ee4ea36SMarcel Holtmann 118b899efafSVinicius Costa Gomes struct smp_ltk { 119b899efafSVinicius Costa Gomes struct list_head list; 120970d0f1bSJohan Hedberg struct rcu_head rcu; 121b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 122b899efafSVinicius Costa Gomes u8 bdaddr_type; 123b899efafSVinicius Costa Gomes u8 authenticated; 124b899efafSVinicius Costa Gomes u8 type; 125b899efafSVinicius Costa Gomes u8 enc_size; 126b899efafSVinicius Costa Gomes __le16 ediv; 127fe39c7b2SMarcel Holtmann __le64 rand; 128b899efafSVinicius Costa Gomes u8 val[16]; 12903c515d7SMarcel Holtmann }; 130b899efafSVinicius Costa Gomes 131970c4e46SJohan Hedberg struct smp_irk { 132970c4e46SJohan Hedberg struct list_head list; 133adae20cbSJohan Hedberg struct rcu_head rcu; 134970c4e46SJohan Hedberg bdaddr_t rpa; 135970c4e46SJohan Hedberg bdaddr_t bdaddr; 136970c4e46SJohan Hedberg u8 addr_type; 137970c4e46SJohan Hedberg u8 val[16]; 138970c4e46SJohan Hedberg }; 139970c4e46SJohan Hedberg 14055ed8ca1SJohan Hedberg struct link_key { 14155ed8ca1SJohan Hedberg struct list_head list; 1420378b597SJohan Hedberg struct rcu_head rcu; 14355ed8ca1SJohan Hedberg bdaddr_t bdaddr; 14455ed8ca1SJohan Hedberg u8 type; 1459b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 14655ed8ca1SJohan Hedberg u8 pin_len; 14755ed8ca1SJohan Hedberg }; 14855ed8ca1SJohan Hedberg 1492763eda6SSzymon Janc struct oob_data { 1502763eda6SSzymon Janc struct list_head list; 1512763eda6SSzymon Janc bdaddr_t bdaddr; 1526928a924SJohan Hedberg u8 bdaddr_type; 153f7697b16SMarcel Holtmann u8 present; 154519ca9d0SMarcel Holtmann u8 hash192[16]; 15538da1703SJohan Hedberg u8 rand192[16]; 156519ca9d0SMarcel Holtmann u8 hash256[16]; 15738da1703SJohan Hedberg u8 rand256[16]; 1582763eda6SSzymon Janc }; 1592763eda6SSzymon Janc 160203fea01SArman Uguray struct adv_info { 161d2609b34SFlorian Grandel struct list_head list; 162fffd38bcSFlorian Grandel bool pending; 163203fea01SArman Uguray __u8 instance; 164203fea01SArman Uguray __u32 flags; 165912098a6SArman Uguray __u16 timeout; 1665d900e46SFlorian Grandel __u16 remaining_time; 167d2609b34SFlorian Grandel __u16 duration; 168203fea01SArman Uguray __u16 adv_data_len; 169203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 170203fea01SArman Uguray __u16 scan_rsp_len; 171203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 172203fea01SArman Uguray }; 173203fea01SArman Uguray 174db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 175d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 176d2609b34SFlorian Grandel 177490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 178490c5babSJohan Hedberg 179d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 180d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 181d6bfd59cSJohan Hedberg 18231ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 18331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 18431ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 18531ad1691SAndrzej Kaczmarek 186903e4541SAndrei Emeltchenko struct amp_assoc { 187903e4541SAndrei Emeltchenko __u16 len; 188903e4541SAndrei Emeltchenko __u16 offset; 18993c284eeSAndrei Emeltchenko __u16 rem_len; 19093c284eeSAndrei Emeltchenko __u16 len_so_far; 191903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 192903e4541SAndrei Emeltchenko }; 193903e4541SAndrei Emeltchenko 194d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 195cad718edSJohan Hedberg 1961da177e4SLinus Torvalds struct hci_dev { 1971da177e4SLinus Torvalds struct list_head list; 19809fd0de5SGustavo F. Padovan struct mutex lock; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds char name[8]; 2011da177e4SLinus Torvalds unsigned long flags; 2021da177e4SLinus Torvalds __u16 id; 203c13854ceSMarcel Holtmann __u8 bus; 204943da25dSMarcel Holtmann __u8 dev_type; 2051da177e4SLinus Torvalds bdaddr_t bdaddr; 206e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 20724c457e2SMarcel Holtmann bdaddr_t public_addr; 2087a4cd51dSMarcel Holtmann bdaddr_t random_addr; 209d13eafceSMarcel Holtmann bdaddr_t static_addr; 21056ed2cb8SJohan Hedberg __u8 adv_addr_type; 2111f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 212490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 21380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 214c4960ecfSMichał Narajowski __u16 appearance; 215a9de9248SMarcel Holtmann __u8 dev_class[3]; 2161aff6f09SJohan Hedberg __u8 major_class; 2171aff6f09SJohan Hedberg __u8 minor_class; 218d2c5d77fSJohan Hedberg __u8 max_page; 219cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 22060e77321SJohan Hedberg __u8 le_features[8]; 221cf1d081fSJohan Hedberg __u8 le_white_list_size; 2229b008c04SJohan Hedberg __u8 le_states[8]; 223a9de9248SMarcel Holtmann __u8 commands[64]; 2241143e5a6SMarcel Holtmann __u8 hci_ver; 2251143e5a6SMarcel Holtmann __u16 hci_rev; 226d5859e22SJohan Hedberg __u8 lmp_ver; 2271143e5a6SMarcel Holtmann __u16 manufacturer; 2287d69230cSAndrei Emeltchenko __u16 lmp_subver; 2291da177e4SLinus Torvalds __u16 voice_setting; 230b4cb9fb2SMarcel Holtmann __u8 num_iac; 231c2f0f979SMarcel Holtmann __u8 stored_max_keys; 232c2f0f979SMarcel Holtmann __u8 stored_num_keys; 23317fa4b9dSJohan Hedberg __u8 io_capability; 23491c4e9b1SMarcel Holtmann __s8 inq_tx_power; 235f332ec66SJohan Hedberg __u16 page_scan_interval; 236f332ec66SJohan Hedberg __u16 page_scan_window; 237f332ec66SJohan Hedberg __u8 page_scan_type; 2383f959d46SMarcel Holtmann __u8 le_adv_channel_map; 239628531c9SGeorg Lukas __u16 le_adv_min_interval; 240628531c9SGeorg Lukas __u16 le_adv_max_interval; 241533553f8SMarcel Holtmann __u8 le_scan_type; 242bef64738SMarcel Holtmann __u16 le_scan_interval; 243bef64738SMarcel Holtmann __u16 le_scan_window; 2444e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2454e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 24604fb7d90SMarcel Holtmann __u16 le_conn_latency; 24704fb7d90SMarcel Holtmann __u16 le_supv_timeout; 248a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 249a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 250a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 251a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 252a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 253a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 254b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 25531ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 25631ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 25706f5b778SMarcel Holtmann __u8 ssp_debug_mode; 258c7741d16SMarcel Holtmann __u8 hw_error_code; 25933f35721SJohan Hedberg __u32 clock; 260f332ec66SJohan Hedberg 2612b9be137SMarcel Holtmann __u16 devid_source; 2622b9be137SMarcel Holtmann __u16 devid_vendor; 2632b9be137SMarcel Holtmann __u16 devid_product; 2642b9be137SMarcel Holtmann __u16 devid_version; 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds __u16 pkt_type; 2675b7f9909SMarcel Holtmann __u16 esco_type; 2681da177e4SLinus Torvalds __u16 link_policy; 2691da177e4SLinus Torvalds __u16 link_mode; 2701da177e4SLinus Torvalds 27104837f64SMarcel Holtmann __u32 idle_timeout; 27204837f64SMarcel Holtmann __u16 sniff_min_interval; 27304837f64SMarcel Holtmann __u16 sniff_max_interval; 27404837f64SMarcel Holtmann 275928abaa7SAndrei Emeltchenko __u8 amp_status; 276928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 277928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 278928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 279928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 280928abaa7SAndrei Emeltchenko __u8 amp_type; 281928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 282928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 283928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 284928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 285928abaa7SAndrei Emeltchenko 286903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 287903e4541SAndrei Emeltchenko 2881e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2891e89cffbSAndrei Emeltchenko 2909f61656aSJohan Hedberg unsigned int auto_accept_delay; 2919f61656aSJohan Hedberg 2921da177e4SLinus Torvalds unsigned long quirks; 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds atomic_t cmd_cnt; 2951da177e4SLinus Torvalds unsigned int acl_cnt; 2961da177e4SLinus Torvalds unsigned int sco_cnt; 2976ed58ec5SVille Tervo unsigned int le_cnt; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds unsigned int acl_mtu; 3001da177e4SLinus Torvalds unsigned int sco_mtu; 3016ed58ec5SVille Tervo unsigned int le_mtu; 3021da177e4SLinus Torvalds unsigned int acl_pkts; 3031da177e4SLinus Torvalds unsigned int sco_pkts; 3046ed58ec5SVille Tervo unsigned int le_pkts; 3051da177e4SLinus Torvalds 306350ee4cfSAndrei Emeltchenko __u16 block_len; 307350ee4cfSAndrei Emeltchenko __u16 block_mtu; 308350ee4cfSAndrei Emeltchenko __u16 num_blocks; 309350ee4cfSAndrei Emeltchenko __u16 block_cnt; 310350ee4cfSAndrei Emeltchenko 3111da177e4SLinus Torvalds unsigned long acl_last_tx; 3121da177e4SLinus Torvalds unsigned long sco_last_tx; 3136ed58ec5SVille Tervo unsigned long le_last_tx; 3141da177e4SLinus Torvalds 315f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3166ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 317f48fd9c8SMarcel Holtmann 318ab81cbf9SJohan Hedberg struct work_struct power_on; 3193243553fSJohan Hedberg struct delayed_work power_off; 320c7741d16SMarcel Holtmann struct work_struct error_reset; 321ab81cbf9SJohan Hedberg 32216ab91abSJohan Hedberg __u16 discov_timeout; 32316ab91abSJohan Hedberg struct delayed_work discov_off; 32416ab91abSJohan Hedberg 3257d78525dSJohan Hedberg struct delayed_work service_cache; 3267d78525dSJohan Hedberg 32765cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 328b78752ccSMarcel Holtmann 329b78752ccSMarcel Holtmann struct work_struct rx_work; 330c347b765SGustavo F. Padovan struct work_struct cmd_work; 3313eff45eaSGustavo F. Padovan struct work_struct tx_work; 3321da177e4SLinus Torvalds 333e68f072bSJohan Hedberg struct work_struct discov_update; 3342e93e53bSJohan Hedberg struct work_struct bg_scan_update; 33501b1cb87SJohan Hedberg struct work_struct scan_update; 33653c0ba74SJohan Hedberg struct work_struct connectable_update; 337aed1a885SJohan Hedberg struct work_struct discoverable_update; 3387c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 3397c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 3402e93e53bSJohan Hedberg 3411da177e4SLinus Torvalds struct sk_buff_head rx_q; 3421da177e4SLinus Torvalds struct sk_buff_head raw_q; 3431da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3461da177e4SLinus Torvalds 347a6a67efdSThomas Gleixner struct mutex req_lock; 3481da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3491da177e4SLinus Torvalds __u32 req_status; 3501da177e4SLinus Torvalds __u32 req_result; 351f60cb305SJohan Hedberg struct sk_buff *req_skb; 352a5040efaSJohan Hedberg 35370db83c4SJohan Hedberg void *smp_data; 354ef8efe4bSJohan Hedberg void *smp_bredr_data; 3552e58ef3eSJohan Hedberg 35630883512SJohan Hedberg struct discovery_state discovery; 3571da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3585c136e90SAndre Guedes 3595c136e90SAndre Guedes struct list_head mgmt_pending; 360ea4bd8baSDavid Miller struct list_head blacklist; 3616659358eSJohan Hedberg struct list_head whitelist; 3622aeb9a1aSJohan Hedberg struct list_head uuids; 36355ed8ca1SJohan Hedberg struct list_head link_keys; 364b899efafSVinicius Costa Gomes struct list_head long_term_keys; 365970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3662763eda6SSzymon Janc struct list_head remote_oob_data; 367d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 36815819a70SAndre Guedes struct list_head le_conn_params; 36977a77a30SAndre Guedes struct list_head pend_le_conns; 37066f8455aSJohan Hedberg struct list_head pend_le_reports; 3712763eda6SSzymon Janc 3721da177e4SLinus Torvalds struct hci_dev_stats stat; 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds atomic_t promisc; 3751da177e4SLinus Torvalds 3765177a838SMarcel Holtmann const char *hw_info; 3775177a838SMarcel Holtmann const char *fw_info; 378ca325f69SMarcel Holtmann struct dentry *debugfs; 379ca325f69SMarcel Holtmann 380a91f2e39SMarcel Holtmann struct device dev; 3811da177e4SLinus Torvalds 382611b30f7SMarcel Holtmann struct rfkill *rfkill; 383611b30f7SMarcel Holtmann 384eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 385d23264a8SAndre Guedes 3868fa19098SJohan Hedberg __s8 adv_tx_power; 3873f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3883f0f524bSJohan Hedberg __u8 adv_data_len; 389f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 390f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3918fa19098SJohan Hedberg 392d2609b34SFlorian Grandel struct list_head adv_instances; 393d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 394d2609b34SFlorian Grandel __u8 cur_adv_instance; 3955d900e46SFlorian Grandel __u16 adv_instance_timeout; 3965d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 397203fea01SArman Uguray 398863efaf2SJohan Hedberg __u8 irk[16]; 399d6bfd59cSJohan Hedberg __u32 rpa_timeout; 400d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 4012b5224dcSMarcel Holtmann bdaddr_t rpa; 402863efaf2SJohan Hedberg 40353f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 4046d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 40553f863a6SMarcel Holtmann #endif 4066d5d2ee6SHeiner Kallweit 4071da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 4081da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4091da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 410f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 411a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4127bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 4131da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 414c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 41598a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 4164b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 41724c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 4181da177e4SLinus Torvalds }; 4191da177e4SLinus Torvalds 42053502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 42153502d69SAndrei Emeltchenko 4221da177e4SLinus Torvalds struct hci_conn { 4231da177e4SLinus Torvalds struct list_head list; 4241da177e4SLinus Torvalds 4251da177e4SLinus Torvalds atomic_t refcnt; 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds bdaddr_t dst; 42829b7988aSAndre Guedes __u8 dst_type; 429662e8820SMarcel Holtmann bdaddr_t src; 430e7c4096eSMarcel Holtmann __u8 src_type; 431cb1d68f7SJohan Hedberg bdaddr_t init_addr; 432cb1d68f7SJohan Hedberg __u8 init_addr_type; 433cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 434cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4351da177e4SLinus Torvalds __u16 handle; 4361da177e4SLinus Torvalds __u16 state; 43704837f64SMarcel Holtmann __u8 mode; 4381da177e4SLinus Torvalds __u8 type; 43940bef302SJohan Hedberg __u8 role; 440a0c808b3SJohan Hedberg bool out; 4414c67bc74SMarcel Holtmann __u8 attempt; 4421da177e4SLinus Torvalds __u8 dev_class[3]; 443cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 444a8746417SMarcel Holtmann __u16 pkt_type; 44504837f64SMarcel Holtmann __u16 link_policy; 44613d39315SWaldemar Rymarkiewicz __u8 key_type; 44740be492fSMarcel Holtmann __u8 auth_type; 4488c1b2355SMarcel Holtmann __u8 sec_level; 449765c2a96SJohan Hedberg __u8 pending_sec_level; 450980e1a53SJohan Hedberg __u8 pin_length; 451726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 45217fa4b9dSJohan Hedberg __u8 io_capability; 45392a25256SJohan Hedberg __u32 passkey_notify; 45492a25256SJohan Hedberg __u8 passkey_entered; 455052b30b0SMarcel Holtmann __u16 disc_timeout; 45609ae260bSJohan Hedberg __u16 conn_timeout; 45710c62ddcSFrédéric Dalleau __u16 setting; 4581e406eefSAndre Guedes __u16 le_conn_min_interval; 4591e406eefSAndre Guedes __u16 le_conn_max_interval; 460e04fde60SMarcel Holtmann __u16 le_conn_interval; 461e04fde60SMarcel Holtmann __u16 le_conn_latency; 462e04fde60SMarcel Holtmann __u16 le_supv_timeout; 463fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 464fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4655ae76a94SAndrzej Kaczmarek __s8 rssi; 4665a134faeSAndrzej Kaczmarek __s8 tx_power; 467d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 46851a8efd7SJohan Hedberg unsigned long flags; 4691da177e4SLinus Torvalds 47033f35721SJohan Hedberg __u32 clock; 47133f35721SJohan Hedberg __u16 clock_accuracy; 47233f35721SJohan Hedberg 473dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 474dd983808SAndrzej Kaczmarek 47503b555e1SJohan Hedberg __u8 remote_cap; 47603b555e1SJohan Hedberg __u8 remote_auth; 4773161ae1cSAndrei Emeltchenko __u8 remote_id; 47803b555e1SJohan Hedberg 4791da177e4SLinus Torvalds unsigned int sent; 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds struct sk_buff_head data_q; 4822c33c06aSGustavo F. Padovan struct list_head chan_list; 4831da177e4SLinus Torvalds 48419c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4857bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 486a74a84f6SJohan Hedberg struct delayed_work idle_work; 4879489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4888ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 4891da177e4SLinus Torvalds 490b219e3acSMarcel Holtmann struct device dev; 49123b9ceb7SMarcel Holtmann struct dentry *debugfs; 492b219e3acSMarcel Holtmann 4931da177e4SLinus Torvalds struct hci_dev *hdev; 4941da177e4SLinus Torvalds void *l2cap_data; 4951da177e4SLinus Torvalds void *sco_data; 4969740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds struct hci_conn *link; 499e9a416b5SJohan Hedberg 500e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 501e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 502e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 5031da177e4SLinus Torvalds }; 5041da177e4SLinus Torvalds 50573d80debSLuiz Augusto von Dentz struct hci_chan { 50673d80debSLuiz Augusto von Dentz struct list_head list; 50742c4e53eSAndrei Emeltchenko __u16 handle; 50873d80debSLuiz Augusto von Dentz struct hci_conn *conn; 50973d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 51073d80debSLuiz Augusto von Dentz unsigned int sent; 511168df8e5SMat Martineau __u8 state; 51273d80debSLuiz Augusto von Dentz }; 51373d80debSLuiz Augusto von Dentz 51415819a70SAndre Guedes struct hci_conn_params { 51515819a70SAndre Guedes struct list_head list; 51693450c75SJohan Hedberg struct list_head action; 51715819a70SAndre Guedes 51815819a70SAndre Guedes bdaddr_t addr; 51915819a70SAndre Guedes u8 addr_type; 52015819a70SAndre Guedes 52115819a70SAndre Guedes u16 conn_min_interval; 52215819a70SAndre Guedes u16 conn_max_interval; 523f044eb05SMarcel Holtmann u16 conn_latency; 524f044eb05SMarcel Holtmann u16 supervision_timeout; 5259fcb18efSAndre Guedes 5269fcb18efSAndre Guedes enum { 5279fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 528a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5294b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5309fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5319fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 532158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5339fcb18efSAndre Guedes } auto_connect; 534f161dd41SJohan Hedberg 535f161dd41SJohan Hedberg struct hci_conn *conn; 536158e9218SJakub Pawlowski bool explicit_connect; 53715819a70SAndre Guedes }; 53815819a70SAndre Guedes 5391da177e4SLinus Torvalds extern struct list_head hci_dev_list; 5401da177e4SLinus Torvalds extern struct list_head hci_cb_list; 5411da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 542fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 5431da177e4SLinus Torvalds 544eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 545eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 546eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 547eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 548eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 549eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 550eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 551d7a5a11dSMarcel Holtmann 552eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 553eacb44dfSMarcel Holtmann do { \ 554eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 555eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 556eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 557eacb44dfSMarcel Holtmann } while (0) 558516018a9SMarcel Holtmann 559686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 560e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 561e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 5629b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 563686ebf28SUlisses Furquim 564ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 565e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 5669b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 567ff50e8afSArron Wang #else 568ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 569ff50e8afSArron Wang __u8 *flags) 570ff50e8afSArron Wang { 571ff50e8afSArron Wang return 0; 572ff50e8afSArron Wang } 573ff50e8afSArron Wang 574ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 575ff50e8afSArron Wang { 576ff50e8afSArron Wang } 577ff50e8afSArron Wang #endif 578686ebf28SUlisses Furquim 5791da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 58070f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 58170f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5821da177e4SLinus Torvalds 58330883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5841da177e4SLinus Torvalds { 585ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 58630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 58730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 58830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 589da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 59037eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5911da177e4SLinus Torvalds } 5921da177e4SLinus Torvalds 5930256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 5940256325eSMarcel Holtmann { 59582f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 596da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 5970256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 5980256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 5990256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 6000256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 6012d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 6022d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 6030256325eSMarcel Holtmann } 6040256325eSMarcel Holtmann 60530dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 60630dc78e1SJohan Hedberg 607ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 608ff9ef578SJohan Hedberg 6091da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 6101da177e4SLinus Torvalds { 61130883512SJohan Hedberg return list_empty(&hdev->discovery.all); 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 6151da177e4SLinus Torvalds { 61630883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6171da177e4SLinus Torvalds return jiffies - c->timestamp; 6181da177e4SLinus Torvalds } 6191da177e4SLinus Torvalds 6201da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6211da177e4SLinus Torvalds { 6221da177e4SLinus Torvalds return jiffies - e->timestamp; 6231da177e4SLinus Torvalds } 6241da177e4SLinus Torvalds 6255a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6265a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 627561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 628561aafbcSJohan Hedberg bdaddr_t *bdaddr); 62930dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 63030dc78e1SJohan Hedberg bdaddr_t *bdaddr, 63130dc78e1SJohan Hedberg int state); 632a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 633a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 634af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 635af58925cSMarcel Holtmann bool name_known); 6361f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 6371da177e4SLinus Torvalds 6381da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 6391da177e4SLinus Torvalds enum { 6401da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 64119f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 6421da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 64304837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 64404837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 645e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 646b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 64758a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 648eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 649abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 65058a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 651af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 6524dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 6534dae2798SJohan Hedberg HCI_CONN_AUTH, 6544dae2798SJohan Hedberg HCI_CONN_SECURE, 6554dae2798SJohan Hedberg HCI_CONN_FIPS, 656fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 657977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 658f94b665dSJohan Hedberg HCI_CONN_DROP, 65989cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 660fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 661158e9218SJakub Pawlowski HCI_CONN_SCANNING, 662160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 6631da177e4SLinus Torvalds }; 6641da177e4SLinus Torvalds 665aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 666aa64a8b5SJohan Hedberg { 667aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 668d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 669c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 670aa64a8b5SJohan Hedberg } 671aa64a8b5SJohan Hedberg 672eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 673eb9a8f3fSMarcel Holtmann { 674eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 675d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 676eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 677eb9a8f3fSMarcel Holtmann } 678eb9a8f3fSMarcel Holtmann 6791da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6801da177e4SLinus Torvalds { 6811da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 682bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 683fcd89c09SVille Tervo switch (c->type) { 684fcd89c09SVille Tervo case ACL_LINK: 6851da177e4SLinus Torvalds h->acl_num++; 686fcd89c09SVille Tervo break; 687bd1eb66bSAndrei Emeltchenko case AMP_LINK: 688bd1eb66bSAndrei Emeltchenko h->amp_num++; 689bd1eb66bSAndrei Emeltchenko break; 690fcd89c09SVille Tervo case LE_LINK: 691fcd89c09SVille Tervo h->le_num++; 692f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 693f8218dc6SJohan Hedberg h->le_num_slave++; 694fcd89c09SVille Tervo break; 695fcd89c09SVille Tervo case SCO_LINK: 696fcd89c09SVille Tervo case ESCO_LINK: 6971da177e4SLinus Torvalds h->sco_num++; 698fcd89c09SVille Tervo break; 699fcd89c09SVille Tervo } 7001da177e4SLinus Torvalds } 7011da177e4SLinus Torvalds 7021da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 7031da177e4SLinus Torvalds { 7041da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 705bf4c6325SGustavo F. Padovan 706bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 707bf4c6325SGustavo F. Padovan synchronize_rcu(); 708bf4c6325SGustavo F. Padovan 709fcd89c09SVille Tervo switch (c->type) { 710fcd89c09SVille Tervo case ACL_LINK: 7111da177e4SLinus Torvalds h->acl_num--; 712fcd89c09SVille Tervo break; 713bd1eb66bSAndrei Emeltchenko case AMP_LINK: 714bd1eb66bSAndrei Emeltchenko h->amp_num--; 715bd1eb66bSAndrei Emeltchenko break; 716fcd89c09SVille Tervo case LE_LINK: 717fcd89c09SVille Tervo h->le_num--; 718f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 719f8218dc6SJohan Hedberg h->le_num_slave--; 720fcd89c09SVille Tervo break; 721fcd89c09SVille Tervo case SCO_LINK: 722fcd89c09SVille Tervo case ESCO_LINK: 7231da177e4SLinus Torvalds h->sco_num--; 724fcd89c09SVille Tervo break; 725fcd89c09SVille Tervo } 7261da177e4SLinus Torvalds } 7271da177e4SLinus Torvalds 72852087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 72952087a79SLuiz Augusto von Dentz { 73052087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 73152087a79SLuiz Augusto von Dentz switch (type) { 73252087a79SLuiz Augusto von Dentz case ACL_LINK: 73352087a79SLuiz Augusto von Dentz return h->acl_num; 734bd1eb66bSAndrei Emeltchenko case AMP_LINK: 735bd1eb66bSAndrei Emeltchenko return h->amp_num; 73652087a79SLuiz Augusto von Dentz case LE_LINK: 73752087a79SLuiz Augusto von Dentz return h->le_num; 73852087a79SLuiz Augusto von Dentz case SCO_LINK: 73952087a79SLuiz Augusto von Dentz case ESCO_LINK: 74052087a79SLuiz Augusto von Dentz return h->sco_num; 74152087a79SLuiz Augusto von Dentz default: 74252087a79SLuiz Augusto von Dentz return 0; 74352087a79SLuiz Augusto von Dentz } 74452087a79SLuiz Augusto von Dentz } 74552087a79SLuiz Augusto von Dentz 746f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 747f4f07505SJohan Hedberg { 748f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 749f4f07505SJohan Hedberg 750f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 751f4f07505SJohan Hedberg } 752f4f07505SJohan Hedberg 753845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 754845472e8SMarcel Holtmann { 755845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 756845472e8SMarcel Holtmann struct hci_conn *c; 757845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 758845472e8SMarcel Holtmann 759845472e8SMarcel Holtmann rcu_read_lock(); 760845472e8SMarcel Holtmann 761845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 762845472e8SMarcel Holtmann if (c->handle == handle) { 763845472e8SMarcel Holtmann type = c->type; 764845472e8SMarcel Holtmann break; 765845472e8SMarcel Holtmann } 766845472e8SMarcel Holtmann } 767845472e8SMarcel Holtmann 768845472e8SMarcel Holtmann rcu_read_unlock(); 769845472e8SMarcel Holtmann 770845472e8SMarcel Holtmann return type; 771845472e8SMarcel Holtmann } 772845472e8SMarcel Holtmann 7731da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 7741da177e4SLinus Torvalds __u16 handle) 7751da177e4SLinus Torvalds { 7761da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7771da177e4SLinus Torvalds struct hci_conn *c; 7781da177e4SLinus Torvalds 779bf4c6325SGustavo F. Padovan rcu_read_lock(); 780bf4c6325SGustavo F. Padovan 781bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 782bf4c6325SGustavo F. Padovan if (c->handle == handle) { 783bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7841da177e4SLinus Torvalds return c; 7851da177e4SLinus Torvalds } 786bf4c6325SGustavo F. Padovan } 787bf4c6325SGustavo F. Padovan rcu_read_unlock(); 788bf4c6325SGustavo F. Padovan 7891da177e4SLinus Torvalds return NULL; 7901da177e4SLinus Torvalds } 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 7931da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 7941da177e4SLinus Torvalds { 7951da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7961da177e4SLinus Torvalds struct hci_conn *c; 7971da177e4SLinus Torvalds 798bf4c6325SGustavo F. Padovan rcu_read_lock(); 799bf4c6325SGustavo F. Padovan 800bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 801bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 802bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8031da177e4SLinus Torvalds return c; 8041da177e4SLinus Torvalds } 805bf4c6325SGustavo F. Padovan } 806bf4c6325SGustavo F. Padovan 807bf4c6325SGustavo F. Padovan rcu_read_unlock(); 808bf4c6325SGustavo F. Padovan 8091da177e4SLinus Torvalds return NULL; 8101da177e4SLinus Torvalds } 8111da177e4SLinus Torvalds 8121b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 8131b51c7b6SJohan Hedberg bdaddr_t *ba, 8141b51c7b6SJohan Hedberg __u8 ba_type) 8151b51c7b6SJohan Hedberg { 8161b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 8171b51c7b6SJohan Hedberg struct hci_conn *c; 8181b51c7b6SJohan Hedberg 8191b51c7b6SJohan Hedberg rcu_read_lock(); 8201b51c7b6SJohan Hedberg 8211b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 8221b51c7b6SJohan Hedberg if (c->type != LE_LINK) 8231b51c7b6SJohan Hedberg continue; 8241b51c7b6SJohan Hedberg 8251b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 8261b51c7b6SJohan Hedberg rcu_read_unlock(); 8271b51c7b6SJohan Hedberg return c; 8281b51c7b6SJohan Hedberg } 8291b51c7b6SJohan Hedberg } 8301b51c7b6SJohan Hedberg 8311b51c7b6SJohan Hedberg rcu_read_unlock(); 8321b51c7b6SJohan Hedberg 8331b51c7b6SJohan Hedberg return NULL; 8341b51c7b6SJohan Hedberg } 8351b51c7b6SJohan Hedberg 8364c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 8374c67bc74SMarcel Holtmann __u8 type, __u16 state) 8384c67bc74SMarcel Holtmann { 8394c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 8404c67bc74SMarcel Holtmann struct hci_conn *c; 8414c67bc74SMarcel Holtmann 842bf4c6325SGustavo F. Padovan rcu_read_lock(); 843bf4c6325SGustavo F. Padovan 844bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 845bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 846bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8474c67bc74SMarcel Holtmann return c; 8484c67bc74SMarcel Holtmann } 849bf4c6325SGustavo F. Padovan } 850bf4c6325SGustavo F. Padovan 851bf4c6325SGustavo F. Padovan rcu_read_unlock(); 852bf4c6325SGustavo F. Padovan 8534c67bc74SMarcel Holtmann return NULL; 8544c67bc74SMarcel Holtmann } 8554c67bc74SMarcel Holtmann 856e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 857e7d9ab73SJakub Pawlowski { 858e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 859e7d9ab73SJakub Pawlowski struct hci_conn *c; 860e7d9ab73SJakub Pawlowski 861e7d9ab73SJakub Pawlowski rcu_read_lock(); 862e7d9ab73SJakub Pawlowski 863e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 864e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 865e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 866e7d9ab73SJakub Pawlowski rcu_read_unlock(); 867e7d9ab73SJakub Pawlowski return c; 868e7d9ab73SJakub Pawlowski } 869e7d9ab73SJakub Pawlowski } 870e7d9ab73SJakub Pawlowski 871e7d9ab73SJakub Pawlowski rcu_read_unlock(); 872e7d9ab73SJakub Pawlowski 873e7d9ab73SJakub Pawlowski return NULL; 874e7d9ab73SJakub Pawlowski } 875e7d9ab73SJakub Pawlowski 876e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 8772dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 878e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 8791da177e4SLinus Torvalds 880a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 881a5c4e309SJohan Hedberg u8 role); 8821da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 8831da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 884a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 8851da177e4SLinus Torvalds 88673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 8879472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 8882c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 88942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 89073d80debSLuiz Augusto von Dentz 891f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 892f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 8930ad06aa6SJohan Hedberg u16 conn_timeout); 89404a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 895cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 896e804d25dSJohan Hedberg u8 role); 89704a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 89804a6c589SAndre Guedes u8 sec_level, u8 auth_type); 89910c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 90010c62ddcSFrédéric Dalleau __u16 setting); 901e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 902b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 903e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 904e7cafc45SJohan Hedberg bool initiator); 9058c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 9061da177e4SLinus Torvalds 90714b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 9081da177e4SLinus Torvalds 90906c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 91006c053fbSAndre Guedes 9118d12356fSDavid Herrmann /* 9128d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 9138d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 9148d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 9158d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 9168d12356fSDavid Herrmann * other constant data. 9178d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 9188d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 9198d12356fSDavid Herrmann * get dropped, though. 9208d12356fSDavid Herrmann * 9218d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 9228d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 9238d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 9248d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 9258d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 9268d12356fSDavid Herrmann * hci_conn_add()). 9278d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 9288d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 9298d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 9308d12356fSDavid Herrmann */ 9318d12356fSDavid Herrmann 93251bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 9338d12356fSDavid Herrmann { 9348d12356fSDavid Herrmann get_device(&conn->dev); 93551bb8457SJohan Hedberg return conn; 9368d12356fSDavid Herrmann } 9378d12356fSDavid Herrmann 9388d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 9398d12356fSDavid Herrmann { 9408d12356fSDavid Herrmann put_device(&conn->dev); 9418d12356fSDavid Herrmann } 9428d12356fSDavid Herrmann 9431da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 9441da177e4SLinus Torvalds { 94571becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 94638b3fef1SAndrei Emeltchenko 9471da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 9482f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 9491da177e4SLinus Torvalds } 9501da177e4SLinus Torvalds 95176a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 9521da177e4SLinus Torvalds { 95371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 95438b3fef1SAndrei Emeltchenko 9551da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 95604837f64SMarcel Holtmann unsigned long timeo; 957716e4ab5SAndrei Emeltchenko 958716e4ab5SAndrei Emeltchenko switch (conn->type) { 959716e4ab5SAndrei Emeltchenko case ACL_LINK: 960716e4ab5SAndrei Emeltchenko case LE_LINK: 961a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 9626ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 9635f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 96404837f64SMarcel Holtmann if (!conn->out) 965052b30b0SMarcel Holtmann timeo *= 2; 9665a9d0a3fSWaldemar Rymarkiewicz } else { 967eb78d7e5SJohan Hedberg timeo = 0; 9685a9d0a3fSWaldemar Rymarkiewicz } 969716e4ab5SAndrei Emeltchenko break; 970716e4ab5SAndrei Emeltchenko 971716e4ab5SAndrei Emeltchenko case AMP_LINK: 972716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 973716e4ab5SAndrei Emeltchenko break; 974716e4ab5SAndrei Emeltchenko 975716e4ab5SAndrei Emeltchenko default: 976eb78d7e5SJohan Hedberg timeo = 0; 977716e4ab5SAndrei Emeltchenko break; 9785a9d0a3fSWaldemar Rymarkiewicz } 979716e4ab5SAndrei Emeltchenko 9802f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 98119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 9821931782bSVinicius Costa Gomes &conn->disc_work, timeo); 9831da177e4SLinus Torvalds } 9841da177e4SLinus Torvalds } 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 987dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 9881da177e4SLinus Torvalds { 989376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 990376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 991376261aeSAndrei Emeltchenko 9924c724c71SDavid Herrmann put_device(&d->dev); 993010666a1SDavid Herrmann } 9941da177e4SLinus Torvalds 995dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 9961da177e4SLinus Torvalds { 997376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 998376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 999376261aeSAndrei Emeltchenko 10004c724c71SDavid Herrmann get_device(&d->dev); 10011da177e4SLinus Torvalds return d; 10021da177e4SLinus Torvalds } 10031da177e4SLinus Torvalds 100409fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 100509fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 10061da177e4SLinus Torvalds 1007aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 10083dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1009aa2b86d7SDavid Herrmann 1010155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1011155961e8SDavid Herrmann { 1012155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1013155961e8SDavid Herrmann } 1014155961e8SDavid Herrmann 1015155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1016155961e8SDavid Herrmann { 1017155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1018155961e8SDavid Herrmann } 1019155961e8SDavid Herrmann 10201da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 102139385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 10241da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 10251da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 102659735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 10271da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 10281da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 102975e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1030f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1031f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 10321aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 10331aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 10341da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 10351da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 10366b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 10371da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 10381da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 10391da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 10401da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 10411da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 10421da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 10431da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 104440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 10451da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 10461da177e4SLinus Torvalds 1047dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1048b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1049dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1050dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1051dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1052d2ab0ac1SMarcel Holtmann 105315819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 105415819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 105551d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 105651d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 105715819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 105855af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 105915819a70SAndre Guedes 1060501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1061501f8827SJohan Hedberg bdaddr_t *addr, 1062501f8827SJohan Hedberg u8 addr_type); 106377a77a30SAndre Guedes 106435f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 10652aeb9a1aSJohan Hedberg 106635f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 106755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1068567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 10697652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 10707652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1071ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 107235d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1073fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1074f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1075e804d25dSJohan Hedberg u8 addr_type, u8 role); 1076e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 107735f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 107855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 107955ed8ca1SJohan Hedberg 1080970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1081970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1082970c4e46SJohan Hedberg u8 addr_type); 1083ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1084ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1085a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1086970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1087970c4e46SJohan Hedberg 108855e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 108955e76b38SJohan Hedberg 109035f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 10912763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 10926928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 10930798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10946928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 109538da1703SJohan Hedberg u8 *hash256, u8 *rand256); 10966928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10976928a924SJohan Hedberg u8 bdaddr_type); 10982763eda6SSzymon Janc 1099d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1100d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1101d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1102d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1103d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1104d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1105d2609b34SFlorian Grandel u16 timeout, u16 duration); 1106d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1107d2609b34SFlorian Grandel 11081da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 11091da177e4SLinus Torvalds 11100ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1111a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1112b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1113b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 11141da177e4SLinus Torvalds 11156935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 11161da177e4SLinus Torvalds 11171da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1118cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1119cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1120cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1121cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1122cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1123cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1124cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1125cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1126cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1127cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1128cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1129cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1130cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1131cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1132cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1133cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1134cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1135cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 113607a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 11371da177e4SLinus Torvalds 1138eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 113953b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 114053b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 114153b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 114253b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1143d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1144d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 114553b834d2SMarcel Holtmann 114653b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1147cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1148d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1149cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1150cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1151eead27daSAndre Guedes 1152d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1153d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 115405b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1155d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1156432df05eSJohan Hedberg 11571da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 115820714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 115920714bfeSFrédéric Dalleau 11605a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 116120714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 11621da177e4SLinus Torvalds { 1163686ebf28SUlisses Furquim switch (type) { 1164686ebf28SUlisses Furquim case ACL_LINK: 1165686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 11661da177e4SLinus Torvalds 1167686ebf28SUlisses Furquim case SCO_LINK: 1168686ebf28SUlisses Furquim case ESCO_LINK: 116920714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 11701da177e4SLinus Torvalds 1171686ebf28SUlisses Furquim default: 1172686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1173686ebf28SUlisses Furquim return -EINVAL; 1174686ebf28SUlisses Furquim } 11751da177e4SLinus Torvalds } 11761da177e4SLinus Torvalds 11772950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 11782950f21aSMarcel Holtmann { 1179686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1180686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 11812950f21aSMarcel Holtmann 1182686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 11832950f21aSMarcel Holtmann } 11842950f21aSMarcel Holtmann 11851da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 11861da177e4SLinus Torvalds struct hci_cb { 11871da177e4SLinus Torvalds struct list_head list; 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvalds char *name; 11901da177e4SLinus Torvalds 1191539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 11923a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 11935a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 11945a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 11951da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 11961da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 11971da177e4SLinus Torvalds }; 11981da177e4SLinus Torvalds 1199539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1200539c496dSJohan Hedberg { 1201539c496dSJohan Hedberg struct hci_cb *cb; 1202539c496dSJohan Hedberg 1203539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1204539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1205539c496dSJohan Hedberg if (cb->connect_cfm) 1206539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1207539c496dSJohan Hedberg } 1208539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1209539c496dSJohan Hedberg 1210539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1211539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1212539c496dSJohan Hedberg } 1213539c496dSJohan Hedberg 12143a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 12153a6d576bSJohan Hedberg { 12163a6d576bSJohan Hedberg struct hci_cb *cb; 12173a6d576bSJohan Hedberg 12183a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 12193a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 12203a6d576bSJohan Hedberg if (cb->disconn_cfm) 12213a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 12223a6d576bSJohan Hedberg } 12233a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12243a6d576bSJohan Hedberg 12253a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 12263a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 12273a6d576bSJohan Hedberg } 12283a6d576bSJohan Hedberg 12291da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 12301da177e4SLinus Torvalds { 1231711584eaSDenis Kirjanov struct hci_cb *cb; 12328c1b2355SMarcel Holtmann __u8 encrypt; 12331da177e4SLinus Torvalds 123451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 12358c1b2355SMarcel Holtmann return; 12368c1b2355SMarcel Holtmann 12374dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 12388c1b2355SMarcel Holtmann 1239fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1240711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12418c1b2355SMarcel Holtmann if (cb->security_cfm) 12428c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12431da177e4SLinus Torvalds } 1244fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1245354fe804SJohan Hedberg 1246354fe804SJohan Hedberg if (conn->security_cfm_cb) 1247354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12481da177e4SLinus Torvalds } 12491da177e4SLinus Torvalds 12505a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 12515a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 12521da177e4SLinus Torvalds { 1253711584eaSDenis Kirjanov struct hci_cb *cb; 12541da177e4SLinus Torvalds 1255435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1256435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1257435fef20SMarcel Holtmann 125888167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 125988167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 126088167aedSVinicius Costa Gomes 1261fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1262711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12638c1b2355SMarcel Holtmann if (cb->security_cfm) 12648c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12651da177e4SLinus Torvalds } 1266fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1267354fe804SJohan Hedberg 1268354fe804SJohan Hedberg if (conn->security_cfm_cb) 1269354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12701da177e4SLinus Torvalds } 12711da177e4SLinus Torvalds 12721da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 12731da177e4SLinus Torvalds { 1274711584eaSDenis Kirjanov struct hci_cb *cb; 12751da177e4SLinus Torvalds 1276fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1277711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12781da177e4SLinus Torvalds if (cb->key_change_cfm) 12791da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 12801da177e4SLinus Torvalds } 1281fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12821da177e4SLinus Torvalds } 12831da177e4SLinus Torvalds 12845a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 12855a9d0a3fSWaldemar Rymarkiewicz __u8 role) 12861da177e4SLinus Torvalds { 1287711584eaSDenis Kirjanov struct hci_cb *cb; 12881da177e4SLinus Torvalds 1289fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1290711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12911da177e4SLinus Torvalds if (cb->role_switch_cfm) 12921da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 12931da177e4SLinus Torvalds } 1294fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12951da177e4SLinus Torvalds } 12961da177e4SLinus Torvalds 12970d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 12980d3b7f64SJohan Hedberg size_t *data_len) 12996759a675SJohan Hedberg { 130084d9d071SJohan Hedberg size_t parsed = 0; 13016759a675SJohan Hedberg 13020d3b7f64SJohan Hedberg if (eir_len < 2) 13030d3b7f64SJohan Hedberg return NULL; 13046c0c331eSJohan Hedberg 13050d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 13060d3b7f64SJohan Hedberg u8 field_len = eir[0]; 13076759a675SJohan Hedberg 13086759a675SJohan Hedberg if (field_len == 0) 13096759a675SJohan Hedberg break; 13106759a675SJohan Hedberg 13116759a675SJohan Hedberg parsed += field_len + 1; 13126759a675SJohan Hedberg 13130d3b7f64SJohan Hedberg if (parsed > eir_len) 13146759a675SJohan Hedberg break; 13156759a675SJohan Hedberg 13160d3b7f64SJohan Hedberg if (eir[1] != type) { 13170d3b7f64SJohan Hedberg eir += field_len + 1; 13180d3b7f64SJohan Hedberg continue; 13196759a675SJohan Hedberg } 13206759a675SJohan Hedberg 13210d3b7f64SJohan Hedberg /* Zero length data */ 13220d3b7f64SJohan Hedberg if (field_len == 1) 13230d3b7f64SJohan Hedberg return NULL; 13240d3b7f64SJohan Hedberg 13250d3b7f64SJohan Hedberg if (data_len) 13260d3b7f64SJohan Hedberg *data_len = field_len - 1; 13270d3b7f64SJohan Hedberg 13280d3b7f64SJohan Hedberg return &eir[2]; 13290d3b7f64SJohan Hedberg } 13300d3b7f64SJohan Hedberg 13310d3b7f64SJohan Hedberg return NULL; 13326759a675SJohan Hedberg } 13336759a675SJohan Hedberg 1334301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1335301cb2d8SJohan Hedberg { 1336dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1337301cb2d8SJohan Hedberg return false; 1338301cb2d8SJohan Hedberg 1339301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1340301cb2d8SJohan Hedberg return true; 1341301cb2d8SJohan Hedberg 1342301cb2d8SJohan Hedberg return false; 1343301cb2d8SJohan Hedberg } 1344301cb2d8SJohan Hedberg 1345c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1346c46245b3SJohan Hedberg { 1347c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1348c46245b3SJohan Hedberg return true; 1349c46245b3SJohan Hedberg 1350c46245b3SJohan Hedberg /* Check for Random Static address type */ 1351c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1352c46245b3SJohan Hedberg return true; 1353c46245b3SJohan Hedberg 1354c46245b3SJohan Hedberg return false; 1355c46245b3SJohan Hedberg } 1356c46245b3SJohan Hedberg 13572426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 13582426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 13592426f3a5SJohan Hedberg { 13602426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 13612426f3a5SJohan Hedberg return NULL; 13622426f3a5SJohan Hedberg 13632426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 13642426f3a5SJohan Hedberg } 13652426f3a5SJohan Hedberg 1366d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1367d4905f24SAndre Guedes u16 to_multiplier) 1368d4905f24SAndre Guedes { 1369d4905f24SAndre Guedes u16 max_latency; 1370d4905f24SAndre Guedes 1371d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1372d4905f24SAndre Guedes return -EINVAL; 1373d4905f24SAndre Guedes 1374d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1375d4905f24SAndre Guedes return -EINVAL; 1376d4905f24SAndre Guedes 1377d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1378d4905f24SAndre Guedes return -EINVAL; 1379d4905f24SAndre Guedes 13808757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1381d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1382d4905f24SAndre Guedes return -EINVAL; 1383d4905f24SAndre Guedes 1384d4905f24SAndre Guedes return 0; 1385d4905f24SAndre Guedes } 1386d4905f24SAndre Guedes 13871da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 13881da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 13891da177e4SLinus Torvalds 139075e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 139107dc93ddSJohan Hedberg const void *param, u32 timeout); 13927b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 139307dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 139475e84b7cSJohan Hedberg 139507dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 139607dc93ddSJohan Hedberg const void *param); 139773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 13980d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 13991da177e4SLinus Torvalds 1400a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 14011da177e4SLinus Torvalds 1402fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1403fbef168fSLoic Poulain const void *param, u32 timeout); 1404fbef168fSLoic Poulain 14051da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1406470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 14077129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1408c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1409cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 141038ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 141138ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 141238ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 14131da177e4SLinus Torvalds 1414040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1415040030efSMarcel Holtmann 1416a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1417a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1418a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1419a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1420b9a245fbSJohan Hedberg 1421801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1422801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1423801c1e8dSJohan Hedberg u16 data_len); 1424801c1e8dSJohan Hedberg size_t data_len; 1425b9a245fbSJohan Hedberg unsigned long flags; 1426801c1e8dSJohan Hedberg }; 1427801c1e8dSJohan Hedberg 1428801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1429801c1e8dSJohan Hedberg struct list_head list; 1430801c1e8dSJohan Hedberg unsigned short channel; 1431801c1e8dSJohan Hedberg size_t handler_count; 1432801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 143388b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1434801c1e8dSJohan Hedberg }; 1435801c1e8dSJohan Hedberg 1436801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1437801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1438801c1e8dSJohan Hedberg 14390381101fSJohan Hedberg /* Management interface */ 1440591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1441591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1442591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1443591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1444591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1445591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1446f39799f5SAndre Guedes 14470d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 14480d8cc935SAndre Guedes * Discovery Procedure specification. 14490d8cc935SAndre Guedes */ 14500d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 14510d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 14523d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1453ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 14540d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 14550d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 14564b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 14570d8cc935SAndre Guedes 145803c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 145991a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1460bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1461bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 14623eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 14632ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 14642ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1465dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1466745c0ce3SVishal Agarwal bool persistent); 146748ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 146848ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 14699b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 147012d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 147112d4a3b2SJohan Hedberg bool mgmt_connected); 14727892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 147388c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1474445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 147548264f06SJohan Hedberg u8 addr_type, u8 status); 1476ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1477e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1478c35938b2SSzymon Janc u8 status); 14793eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1480744cf19eSJohan Hedberg u8 status); 1481744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 148239adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1483272d90dfSJohan Hedberg u8 confirm_hint); 1484744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1485272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1486272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1487272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1488272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1489272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1490604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1491272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1492272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1493272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 149492a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 149592a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 149692a25256SJohan Hedberg u8 entered); 1497e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1498464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 14993e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 15004e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 15017f9a903cSMarcel Holtmann u8 status); 15027667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1503e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 15042154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1505901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1506af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1507af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 15089cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1509b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 15102f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 151184c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 151253ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1513cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 151453ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 151553ac6ab6SMarcel Holtmann bool persistent); 1516ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1517f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1518f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1519f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1520f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 152153c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1522aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1523f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1524f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1525f2252570SJohan Hedberg u8 instance); 1526f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1527f2252570SJohan Hedberg u8 instance); 1528346af67bSVinicius Costa Gomes 15297d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 15307d6ca693SJohan Hedberg u16 to_multiplier); 1531fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 15328b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 15332519a1fcSAndre Guedes 1534a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1535a1f4c318SJohan Hedberg u8 *bdaddr_type); 1536ebd3a747SJohan Hedberg 15375d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 15385d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 15395d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 15405d4d62f6SFrédéric Dalleau 15411da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1542