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 281da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 29f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 301da177e4SLinus Torvalds 315e59b791SLuiz Augusto von Dentz /* HCI priority */ 325e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 335e59b791SLuiz Augusto von Dentz 341da177e4SLinus Torvalds /* HCI Core structures */ 351da177e4SLinus Torvalds struct inquiry_data { 361da177e4SLinus Torvalds bdaddr_t bdaddr; 371da177e4SLinus Torvalds __u8 pscan_rep_mode; 381da177e4SLinus Torvalds __u8 pscan_period_mode; 391da177e4SLinus Torvalds __u8 pscan_mode; 401da177e4SLinus Torvalds __u8 dev_class[3]; 411ebb9252SMarcel Holtmann __le16 clock_offset; 421da177e4SLinus Torvalds __s8 rssi; 4341a96212SMarcel Holtmann __u8 ssp_mode; 441da177e4SLinus Torvalds }; 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds struct inquiry_entry { 47561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 48561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 49561aafbcSJohan Hedberg enum { 50561aafbcSJohan Hedberg NAME_NOT_KNOWN, 51561aafbcSJohan Hedberg NAME_NEEDED, 52561aafbcSJohan Hedberg NAME_PENDING, 53561aafbcSJohan Hedberg NAME_KNOWN, 54561aafbcSJohan Hedberg } name_state; 551da177e4SLinus Torvalds __u32 timestamp; 561da177e4SLinus Torvalds struct inquiry_data data; 571da177e4SLinus Torvalds }; 581da177e4SLinus Torvalds 5930883512SJohan Hedberg struct discovery_state { 604aab14e5SAndre Guedes int type; 61ff9ef578SJohan Hedberg enum { 62ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 63ff9ef578SJohan Hedberg DISCOVERY_STARTING, 64343f935bSAndre Guedes DISCOVERY_FINDING, 6530dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 66ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 67ff9ef578SJohan Hedberg } state; 68561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 69561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 70561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 711da177e4SLinus Torvalds __u32 timestamp; 72b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 73b9a6328fSJohan Hedberg u8 last_adv_addr_type; 74ff5cd29fSJohan Hedberg s8 last_adv_rssi; 75c70a7e4cSMarcel Holtmann u32 last_adv_flags; 76b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 77b9a6328fSJohan Hedberg u8 last_adv_data_len; 78da25cf6aSMarcel Holtmann bool report_invalid_rssi; 7982f8b651SJakub Pawlowski bool result_filtering; 8037eab042SJakub Pawlowski s8 rssi; 8137eab042SJakub Pawlowski u16 uuid_count; 8237eab042SJakub Pawlowski u8 (*uuids)[16]; 832d28cfe7SJakub Pawlowski unsigned long scan_start; 842d28cfe7SJakub Pawlowski unsigned long scan_duration; 851da177e4SLinus Torvalds }; 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds struct hci_conn_hash { 881da177e4SLinus Torvalds struct list_head list; 891da177e4SLinus Torvalds unsigned int acl_num; 90bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 911da177e4SLinus Torvalds unsigned int sco_num; 92fcd89c09SVille Tervo unsigned int le_num; 93f8218dc6SJohan Hedberg unsigned int le_num_slave; 941da177e4SLinus Torvalds }; 951da177e4SLinus Torvalds 96f0358568SJohan Hedberg struct bdaddr_list { 97f0358568SJohan Hedberg struct list_head list; 98f0358568SJohan Hedberg bdaddr_t bdaddr; 99b9ee0a78SMarcel Holtmann u8 bdaddr_type; 100f0358568SJohan Hedberg }; 1012aeb9a1aSJohan Hedberg 1022aeb9a1aSJohan Hedberg struct bt_uuid { 1032aeb9a1aSJohan Hedberg struct list_head list; 1042aeb9a1aSJohan Hedberg u8 uuid[16]; 10583be8ecaSJohan Hedberg u8 size; 1061aff6f09SJohan Hedberg u8 svc_hint; 1072aeb9a1aSJohan Hedberg }; 1082aeb9a1aSJohan Hedberg 1097ee4ea36SMarcel Holtmann struct smp_csrk { 1107ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1117ee4ea36SMarcel Holtmann u8 bdaddr_type; 1124cd3928aSJohan Hedberg u8 type; 1137ee4ea36SMarcel Holtmann u8 val[16]; 1147ee4ea36SMarcel Holtmann }; 1157ee4ea36SMarcel Holtmann 116b899efafSVinicius Costa Gomes struct smp_ltk { 117b899efafSVinicius Costa Gomes struct list_head list; 118970d0f1bSJohan Hedberg struct rcu_head rcu; 119b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 120b899efafSVinicius Costa Gomes u8 bdaddr_type; 121b899efafSVinicius Costa Gomes u8 authenticated; 122b899efafSVinicius Costa Gomes u8 type; 123b899efafSVinicius Costa Gomes u8 enc_size; 124b899efafSVinicius Costa Gomes __le16 ediv; 125fe39c7b2SMarcel Holtmann __le64 rand; 126b899efafSVinicius Costa Gomes u8 val[16]; 12703c515d7SMarcel Holtmann }; 128b899efafSVinicius Costa Gomes 129970c4e46SJohan Hedberg struct smp_irk { 130970c4e46SJohan Hedberg struct list_head list; 131adae20cbSJohan Hedberg struct rcu_head rcu; 132970c4e46SJohan Hedberg bdaddr_t rpa; 133970c4e46SJohan Hedberg bdaddr_t bdaddr; 134970c4e46SJohan Hedberg u8 addr_type; 135970c4e46SJohan Hedberg u8 val[16]; 136970c4e46SJohan Hedberg }; 137970c4e46SJohan Hedberg 13855ed8ca1SJohan Hedberg struct link_key { 13955ed8ca1SJohan Hedberg struct list_head list; 1400378b597SJohan Hedberg struct rcu_head rcu; 14155ed8ca1SJohan Hedberg bdaddr_t bdaddr; 14255ed8ca1SJohan Hedberg u8 type; 1439b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 14455ed8ca1SJohan Hedberg u8 pin_len; 14555ed8ca1SJohan Hedberg }; 14655ed8ca1SJohan Hedberg 1472763eda6SSzymon Janc struct oob_data { 1482763eda6SSzymon Janc struct list_head list; 1492763eda6SSzymon Janc bdaddr_t bdaddr; 1506928a924SJohan Hedberg u8 bdaddr_type; 151f7697b16SMarcel Holtmann u8 present; 152519ca9d0SMarcel Holtmann u8 hash192[16]; 15338da1703SJohan Hedberg u8 rand192[16]; 154519ca9d0SMarcel Holtmann u8 hash256[16]; 15538da1703SJohan Hedberg u8 rand256[16]; 1562763eda6SSzymon Janc }; 1572763eda6SSzymon Janc 158203fea01SArman Uguray struct adv_info { 159d2609b34SFlorian Grandel struct list_head list; 160fffd38bcSFlorian Grandel bool pending; 161203fea01SArman Uguray __u8 instance; 162203fea01SArman Uguray __u32 flags; 163912098a6SArman Uguray __u16 timeout; 1645d900e46SFlorian Grandel __u16 remaining_time; 165d2609b34SFlorian Grandel __u16 duration; 166203fea01SArman Uguray __u16 adv_data_len; 167203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 168203fea01SArman Uguray __u16 scan_rsp_len; 169203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 170203fea01SArman Uguray }; 171203fea01SArman Uguray 172db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 173d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 174d2609b34SFlorian Grandel 175490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 176490c5babSJohan Hedberg 177d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 178d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 179d6bfd59cSJohan Hedberg 18031ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 18131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 18231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 18331ad1691SAndrzej Kaczmarek 184903e4541SAndrei Emeltchenko struct amp_assoc { 185903e4541SAndrei Emeltchenko __u16 len; 186903e4541SAndrei Emeltchenko __u16 offset; 18793c284eeSAndrei Emeltchenko __u16 rem_len; 18893c284eeSAndrei Emeltchenko __u16 len_so_far; 189903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 190903e4541SAndrei Emeltchenko }; 191903e4541SAndrei Emeltchenko 192d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 193cad718edSJohan Hedberg 1941da177e4SLinus Torvalds struct hci_dev { 1951da177e4SLinus Torvalds struct list_head list; 19609fd0de5SGustavo F. Padovan struct mutex lock; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds char name[8]; 1991da177e4SLinus Torvalds unsigned long flags; 2001da177e4SLinus Torvalds __u16 id; 201c13854ceSMarcel Holtmann __u8 bus; 202943da25dSMarcel Holtmann __u8 dev_type; 2031da177e4SLinus Torvalds bdaddr_t bdaddr; 204e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 20524c457e2SMarcel Holtmann bdaddr_t public_addr; 2067a4cd51dSMarcel Holtmann bdaddr_t random_addr; 207d13eafceSMarcel Holtmann bdaddr_t static_addr; 20856ed2cb8SJohan Hedberg __u8 adv_addr_type; 2091f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 210490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 21180a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 212a9de9248SMarcel Holtmann __u8 dev_class[3]; 2131aff6f09SJohan Hedberg __u8 major_class; 2141aff6f09SJohan Hedberg __u8 minor_class; 215d2c5d77fSJohan Hedberg __u8 max_page; 216cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 21760e77321SJohan Hedberg __u8 le_features[8]; 218cf1d081fSJohan Hedberg __u8 le_white_list_size; 2199b008c04SJohan Hedberg __u8 le_states[8]; 220a9de9248SMarcel Holtmann __u8 commands[64]; 2211143e5a6SMarcel Holtmann __u8 hci_ver; 2221143e5a6SMarcel Holtmann __u16 hci_rev; 223d5859e22SJohan Hedberg __u8 lmp_ver; 2241143e5a6SMarcel Holtmann __u16 manufacturer; 2257d69230cSAndrei Emeltchenko __u16 lmp_subver; 2261da177e4SLinus Torvalds __u16 voice_setting; 227b4cb9fb2SMarcel Holtmann __u8 num_iac; 228c2f0f979SMarcel Holtmann __u8 stored_max_keys; 229c2f0f979SMarcel Holtmann __u8 stored_num_keys; 23017fa4b9dSJohan Hedberg __u8 io_capability; 23191c4e9b1SMarcel Holtmann __s8 inq_tx_power; 232f332ec66SJohan Hedberg __u16 page_scan_interval; 233f332ec66SJohan Hedberg __u16 page_scan_window; 234f332ec66SJohan Hedberg __u8 page_scan_type; 2353f959d46SMarcel Holtmann __u8 le_adv_channel_map; 236628531c9SGeorg Lukas __u16 le_adv_min_interval; 237628531c9SGeorg Lukas __u16 le_adv_max_interval; 238533553f8SMarcel Holtmann __u8 le_scan_type; 239bef64738SMarcel Holtmann __u16 le_scan_interval; 240bef64738SMarcel Holtmann __u16 le_scan_window; 2414e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2424e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 24304fb7d90SMarcel Holtmann __u16 le_conn_latency; 24404fb7d90SMarcel Holtmann __u16 le_supv_timeout; 245a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 246a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 247a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 248a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 249a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 250a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 251b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 25231ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 25331ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 25406f5b778SMarcel Holtmann __u8 ssp_debug_mode; 255c7741d16SMarcel Holtmann __u8 hw_error_code; 25633f35721SJohan Hedberg __u32 clock; 257f332ec66SJohan Hedberg 2582b9be137SMarcel Holtmann __u16 devid_source; 2592b9be137SMarcel Holtmann __u16 devid_vendor; 2602b9be137SMarcel Holtmann __u16 devid_product; 2612b9be137SMarcel Holtmann __u16 devid_version; 2621da177e4SLinus Torvalds 2631da177e4SLinus Torvalds __u16 pkt_type; 2645b7f9909SMarcel Holtmann __u16 esco_type; 2651da177e4SLinus Torvalds __u16 link_policy; 2661da177e4SLinus Torvalds __u16 link_mode; 2671da177e4SLinus Torvalds 26804837f64SMarcel Holtmann __u32 idle_timeout; 26904837f64SMarcel Holtmann __u16 sniff_min_interval; 27004837f64SMarcel Holtmann __u16 sniff_max_interval; 27104837f64SMarcel Holtmann 272928abaa7SAndrei Emeltchenko __u8 amp_status; 273928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 274928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 275928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 276928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 277928abaa7SAndrei Emeltchenko __u8 amp_type; 278928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 279928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 280928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 281928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 282928abaa7SAndrei Emeltchenko 283903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 284903e4541SAndrei Emeltchenko 2851e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2861e89cffbSAndrei Emeltchenko 2879f61656aSJohan Hedberg unsigned int auto_accept_delay; 2889f61656aSJohan Hedberg 2891da177e4SLinus Torvalds unsigned long quirks; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds atomic_t cmd_cnt; 2921da177e4SLinus Torvalds unsigned int acl_cnt; 2931da177e4SLinus Torvalds unsigned int sco_cnt; 2946ed58ec5SVille Tervo unsigned int le_cnt; 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds unsigned int acl_mtu; 2971da177e4SLinus Torvalds unsigned int sco_mtu; 2986ed58ec5SVille Tervo unsigned int le_mtu; 2991da177e4SLinus Torvalds unsigned int acl_pkts; 3001da177e4SLinus Torvalds unsigned int sco_pkts; 3016ed58ec5SVille Tervo unsigned int le_pkts; 3021da177e4SLinus Torvalds 303350ee4cfSAndrei Emeltchenko __u16 block_len; 304350ee4cfSAndrei Emeltchenko __u16 block_mtu; 305350ee4cfSAndrei Emeltchenko __u16 num_blocks; 306350ee4cfSAndrei Emeltchenko __u16 block_cnt; 307350ee4cfSAndrei Emeltchenko 3081da177e4SLinus Torvalds unsigned long acl_last_tx; 3091da177e4SLinus Torvalds unsigned long sco_last_tx; 3106ed58ec5SVille Tervo unsigned long le_last_tx; 3111da177e4SLinus Torvalds 312f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3136ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 314f48fd9c8SMarcel Holtmann 315ab81cbf9SJohan Hedberg struct work_struct power_on; 3163243553fSJohan Hedberg struct delayed_work power_off; 317c7741d16SMarcel Holtmann struct work_struct error_reset; 318ab81cbf9SJohan Hedberg 31916ab91abSJohan Hedberg __u16 discov_timeout; 32016ab91abSJohan Hedberg struct delayed_work discov_off; 32116ab91abSJohan Hedberg 3227d78525dSJohan Hedberg struct delayed_work service_cache; 3237d78525dSJohan Hedberg 32465cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 325b78752ccSMarcel Holtmann 326b78752ccSMarcel Holtmann struct work_struct rx_work; 327c347b765SGustavo F. Padovan struct work_struct cmd_work; 3283eff45eaSGustavo F. Padovan struct work_struct tx_work; 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds struct sk_buff_head rx_q; 3311da177e4SLinus Torvalds struct sk_buff_head raw_q; 3321da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3351da177e4SLinus Torvalds 336a6a67efdSThomas Gleixner struct mutex req_lock; 3371da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3381da177e4SLinus Torvalds __u32 req_status; 3391da177e4SLinus Torvalds __u32 req_result; 340f60cb305SJohan Hedberg struct sk_buff *req_skb; 341a5040efaSJohan Hedberg 34270db83c4SJohan Hedberg void *smp_data; 343ef8efe4bSJohan Hedberg void *smp_bredr_data; 3442e58ef3eSJohan Hedberg 34530883512SJohan Hedberg struct discovery_state discovery; 3461da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3475c136e90SAndre Guedes 3485c136e90SAndre Guedes struct list_head mgmt_pending; 349ea4bd8baSDavid Miller struct list_head blacklist; 3506659358eSJohan Hedberg struct list_head whitelist; 3512aeb9a1aSJohan Hedberg struct list_head uuids; 35255ed8ca1SJohan Hedberg struct list_head link_keys; 353b899efafSVinicius Costa Gomes struct list_head long_term_keys; 354970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3552763eda6SSzymon Janc struct list_head remote_oob_data; 356d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 35715819a70SAndre Guedes struct list_head le_conn_params; 35877a77a30SAndre Guedes struct list_head pend_le_conns; 35966f8455aSJohan Hedberg struct list_head pend_le_reports; 3602763eda6SSzymon Janc 3611da177e4SLinus Torvalds struct hci_dev_stats stat; 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds atomic_t promisc; 3641da177e4SLinus Torvalds 365ca325f69SMarcel Holtmann struct dentry *debugfs; 366ca325f69SMarcel Holtmann 367a91f2e39SMarcel Holtmann struct device dev; 3681da177e4SLinus Torvalds 369611b30f7SMarcel Holtmann struct rfkill *rfkill; 370611b30f7SMarcel Holtmann 371eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 372d23264a8SAndre Guedes 3737ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 3742d28cfe7SJakub Pawlowski struct delayed_work le_scan_restart; 3757ba8b4beSAndre Guedes 3768fa19098SJohan Hedberg __s8 adv_tx_power; 3773f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3783f0f524bSJohan Hedberg __u8 adv_data_len; 379f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 380f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3818fa19098SJohan Hedberg 382d2609b34SFlorian Grandel struct list_head adv_instances; 383d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 384d2609b34SFlorian Grandel __u8 cur_adv_instance; 3855d900e46SFlorian Grandel __u16 adv_instance_timeout; 3865d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 387203fea01SArman Uguray 388863efaf2SJohan Hedberg __u8 irk[16]; 389d6bfd59cSJohan Hedberg __u32 rpa_timeout; 390d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3912b5224dcSMarcel Holtmann bdaddr_t rpa; 392863efaf2SJohan Hedberg 3931da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3941da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3951da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 396f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 397a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 3987bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3991da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 400c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 40124c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 4021da177e4SLinus Torvalds }; 4031da177e4SLinus Torvalds 40453502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 40553502d69SAndrei Emeltchenko 4061da177e4SLinus Torvalds struct hci_conn { 4071da177e4SLinus Torvalds struct list_head list; 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds atomic_t refcnt; 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds bdaddr_t dst; 41229b7988aSAndre Guedes __u8 dst_type; 413662e8820SMarcel Holtmann bdaddr_t src; 414e7c4096eSMarcel Holtmann __u8 src_type; 415cb1d68f7SJohan Hedberg bdaddr_t init_addr; 416cb1d68f7SJohan Hedberg __u8 init_addr_type; 417cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 418cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4191da177e4SLinus Torvalds __u16 handle; 4201da177e4SLinus Torvalds __u16 state; 42104837f64SMarcel Holtmann __u8 mode; 4221da177e4SLinus Torvalds __u8 type; 42340bef302SJohan Hedberg __u8 role; 424a0c808b3SJohan Hedberg bool out; 4254c67bc74SMarcel Holtmann __u8 attempt; 4261da177e4SLinus Torvalds __u8 dev_class[3]; 427cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 428a8746417SMarcel Holtmann __u16 pkt_type; 42904837f64SMarcel Holtmann __u16 link_policy; 43013d39315SWaldemar Rymarkiewicz __u8 key_type; 43140be492fSMarcel Holtmann __u8 auth_type; 4328c1b2355SMarcel Holtmann __u8 sec_level; 433765c2a96SJohan Hedberg __u8 pending_sec_level; 434980e1a53SJohan Hedberg __u8 pin_length; 435726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 43617fa4b9dSJohan Hedberg __u8 io_capability; 43792a25256SJohan Hedberg __u32 passkey_notify; 43892a25256SJohan Hedberg __u8 passkey_entered; 439052b30b0SMarcel Holtmann __u16 disc_timeout; 44009ae260bSJohan Hedberg __u16 conn_timeout; 44110c62ddcSFrédéric Dalleau __u16 setting; 4421e406eefSAndre Guedes __u16 le_conn_min_interval; 4431e406eefSAndre Guedes __u16 le_conn_max_interval; 444e04fde60SMarcel Holtmann __u16 le_conn_interval; 445e04fde60SMarcel Holtmann __u16 le_conn_latency; 446e04fde60SMarcel Holtmann __u16 le_supv_timeout; 447fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 448fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4495ae76a94SAndrzej Kaczmarek __s8 rssi; 4505a134faeSAndrzej Kaczmarek __s8 tx_power; 451d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 45251a8efd7SJohan Hedberg unsigned long flags; 4531da177e4SLinus Torvalds 45433f35721SJohan Hedberg __u32 clock; 45533f35721SJohan Hedberg __u16 clock_accuracy; 45633f35721SJohan Hedberg 457dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 458dd983808SAndrzej Kaczmarek 45903b555e1SJohan Hedberg __u8 remote_cap; 46003b555e1SJohan Hedberg __u8 remote_auth; 4613161ae1cSAndrei Emeltchenko __u8 remote_id; 46203b555e1SJohan Hedberg 4631da177e4SLinus Torvalds unsigned int sent; 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds struct sk_buff_head data_q; 4662c33c06aSGustavo F. Padovan struct list_head chan_list; 4671da177e4SLinus Torvalds 46819c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4697bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 470a74a84f6SJohan Hedberg struct delayed_work idle_work; 4719489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4721da177e4SLinus Torvalds 473b219e3acSMarcel Holtmann struct device dev; 47423b9ceb7SMarcel Holtmann struct dentry *debugfs; 475b219e3acSMarcel Holtmann 4761da177e4SLinus Torvalds struct hci_dev *hdev; 4771da177e4SLinus Torvalds void *l2cap_data; 4781da177e4SLinus Torvalds void *sco_data; 4799740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds struct hci_conn *link; 482e9a416b5SJohan Hedberg 483e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 484e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 485e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4861da177e4SLinus Torvalds }; 4871da177e4SLinus Torvalds 48873d80debSLuiz Augusto von Dentz struct hci_chan { 48973d80debSLuiz Augusto von Dentz struct list_head list; 49042c4e53eSAndrei Emeltchenko __u16 handle; 49173d80debSLuiz Augusto von Dentz struct hci_conn *conn; 49273d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 49373d80debSLuiz Augusto von Dentz unsigned int sent; 494168df8e5SMat Martineau __u8 state; 49573d80debSLuiz Augusto von Dentz }; 49673d80debSLuiz Augusto von Dentz 49715819a70SAndre Guedes struct hci_conn_params { 49815819a70SAndre Guedes struct list_head list; 49993450c75SJohan Hedberg struct list_head action; 50015819a70SAndre Guedes 50115819a70SAndre Guedes bdaddr_t addr; 50215819a70SAndre Guedes u8 addr_type; 50315819a70SAndre Guedes 50415819a70SAndre Guedes u16 conn_min_interval; 50515819a70SAndre Guedes u16 conn_max_interval; 506f044eb05SMarcel Holtmann u16 conn_latency; 507f044eb05SMarcel Holtmann u16 supervision_timeout; 5089fcb18efSAndre Guedes 5099fcb18efSAndre Guedes enum { 5109fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 511a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5124b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5139fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5149fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 515158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5169fcb18efSAndre Guedes } auto_connect; 517f161dd41SJohan Hedberg 518f161dd41SJohan Hedberg struct hci_conn *conn; 519158e9218SJakub Pawlowski bool explicit_connect; 52015819a70SAndre Guedes }; 52115819a70SAndre Guedes 5221da177e4SLinus Torvalds extern struct list_head hci_dev_list; 5231da177e4SLinus Torvalds extern struct list_head hci_cb_list; 5241da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 525fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 5261da177e4SLinus Torvalds 527eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 528eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 529eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 530eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 531eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 532eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 533eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 534d7a5a11dSMarcel Holtmann 535eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 536eacb44dfSMarcel Holtmann do { \ 537eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 538eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 539eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 540eacb44dfSMarcel Holtmann } while (0) 541516018a9SMarcel Holtmann 542686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 543e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 544e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 5459b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 546686ebf28SUlisses Furquim 547ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 548e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 5499b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 550ff50e8afSArron Wang #else 551ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 552ff50e8afSArron Wang __u8 *flags) 553ff50e8afSArron Wang { 554ff50e8afSArron Wang return 0; 555ff50e8afSArron Wang } 556ff50e8afSArron Wang 557ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 558ff50e8afSArron Wang { 559ff50e8afSArron Wang } 560ff50e8afSArron Wang #endif 561686ebf28SUlisses Furquim 5621da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 56370f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 56470f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5651da177e4SLinus Torvalds 56630883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5671da177e4SLinus Torvalds { 568ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 56930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 57030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 57130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 572da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 57337eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5741da177e4SLinus Torvalds } 5751da177e4SLinus Torvalds 5760256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 5770256325eSMarcel Holtmann { 57882f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 579da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 5800256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 5810256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 5820256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 5830256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 5842d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 5852d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 5860256325eSMarcel Holtmann } 5870256325eSMarcel Holtmann 58830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 58930dc78e1SJohan Hedberg 590ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 591ff9ef578SJohan Hedberg 5921da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 5931da177e4SLinus Torvalds { 59430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 5951da177e4SLinus Torvalds } 5961da177e4SLinus Torvalds 5971da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 5981da177e4SLinus Torvalds { 59930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6001da177e4SLinus Torvalds return jiffies - c->timestamp; 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 6031da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6041da177e4SLinus Torvalds { 6051da177e4SLinus Torvalds return jiffies - e->timestamp; 6061da177e4SLinus Torvalds } 6071da177e4SLinus Torvalds 6085a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6095a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 610561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 611561aafbcSJohan Hedberg bdaddr_t *bdaddr); 61230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 61330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 61430dc78e1SJohan Hedberg int state); 615a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 616a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 617af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 618af58925cSMarcel Holtmann bool name_known); 6191f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 6221da177e4SLinus Torvalds enum { 6231da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 62419f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 6251da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 62604837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 62704837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 628e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 629b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 63058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 631eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 632abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 63358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 634af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 6354dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 6364dae2798SJohan Hedberg HCI_CONN_AUTH, 6374dae2798SJohan Hedberg HCI_CONN_SECURE, 6384dae2798SJohan Hedberg HCI_CONN_FIPS, 639fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 640977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 641f94b665dSJohan Hedberg HCI_CONN_DROP, 64289cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 643fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 644158e9218SJakub Pawlowski HCI_CONN_SCANNING, 6451da177e4SLinus Torvalds }; 6461da177e4SLinus Torvalds 647aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 648aa64a8b5SJohan Hedberg { 649aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 650d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 651c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 652aa64a8b5SJohan Hedberg } 653aa64a8b5SJohan Hedberg 654eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 655eb9a8f3fSMarcel Holtmann { 656eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 657d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 658eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 659eb9a8f3fSMarcel Holtmann } 660eb9a8f3fSMarcel Holtmann 6611da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6621da177e4SLinus Torvalds { 6631da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 664bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 665fcd89c09SVille Tervo switch (c->type) { 666fcd89c09SVille Tervo case ACL_LINK: 6671da177e4SLinus Torvalds h->acl_num++; 668fcd89c09SVille Tervo break; 669bd1eb66bSAndrei Emeltchenko case AMP_LINK: 670bd1eb66bSAndrei Emeltchenko h->amp_num++; 671bd1eb66bSAndrei Emeltchenko break; 672fcd89c09SVille Tervo case LE_LINK: 673fcd89c09SVille Tervo h->le_num++; 674f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 675f8218dc6SJohan Hedberg h->le_num_slave++; 676fcd89c09SVille Tervo break; 677fcd89c09SVille Tervo case SCO_LINK: 678fcd89c09SVille Tervo case ESCO_LINK: 6791da177e4SLinus Torvalds h->sco_num++; 680fcd89c09SVille Tervo break; 681fcd89c09SVille Tervo } 6821da177e4SLinus Torvalds } 6831da177e4SLinus Torvalds 6841da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 6851da177e4SLinus Torvalds { 6861da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 687bf4c6325SGustavo F. Padovan 688bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 689bf4c6325SGustavo F. Padovan synchronize_rcu(); 690bf4c6325SGustavo F. Padovan 691fcd89c09SVille Tervo switch (c->type) { 692fcd89c09SVille Tervo case ACL_LINK: 6931da177e4SLinus Torvalds h->acl_num--; 694fcd89c09SVille Tervo break; 695bd1eb66bSAndrei Emeltchenko case AMP_LINK: 696bd1eb66bSAndrei Emeltchenko h->amp_num--; 697bd1eb66bSAndrei Emeltchenko break; 698fcd89c09SVille Tervo case LE_LINK: 699fcd89c09SVille Tervo h->le_num--; 700f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 701f8218dc6SJohan Hedberg h->le_num_slave--; 702fcd89c09SVille Tervo break; 703fcd89c09SVille Tervo case SCO_LINK: 704fcd89c09SVille Tervo case ESCO_LINK: 7051da177e4SLinus Torvalds h->sco_num--; 706fcd89c09SVille Tervo break; 707fcd89c09SVille Tervo } 7081da177e4SLinus Torvalds } 7091da177e4SLinus Torvalds 71052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 71152087a79SLuiz Augusto von Dentz { 71252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 71352087a79SLuiz Augusto von Dentz switch (type) { 71452087a79SLuiz Augusto von Dentz case ACL_LINK: 71552087a79SLuiz Augusto von Dentz return h->acl_num; 716bd1eb66bSAndrei Emeltchenko case AMP_LINK: 717bd1eb66bSAndrei Emeltchenko return h->amp_num; 71852087a79SLuiz Augusto von Dentz case LE_LINK: 71952087a79SLuiz Augusto von Dentz return h->le_num; 72052087a79SLuiz Augusto von Dentz case SCO_LINK: 72152087a79SLuiz Augusto von Dentz case ESCO_LINK: 72252087a79SLuiz Augusto von Dentz return h->sco_num; 72352087a79SLuiz Augusto von Dentz default: 72452087a79SLuiz Augusto von Dentz return 0; 72552087a79SLuiz Augusto von Dentz } 72652087a79SLuiz Augusto von Dentz } 72752087a79SLuiz Augusto von Dentz 728f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 729f4f07505SJohan Hedberg { 730f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 731f4f07505SJohan Hedberg 732f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 733f4f07505SJohan Hedberg } 734f4f07505SJohan Hedberg 735845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 736845472e8SMarcel Holtmann { 737845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 738845472e8SMarcel Holtmann struct hci_conn *c; 739845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 740845472e8SMarcel Holtmann 741845472e8SMarcel Holtmann rcu_read_lock(); 742845472e8SMarcel Holtmann 743845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 744845472e8SMarcel Holtmann if (c->handle == handle) { 745845472e8SMarcel Holtmann type = c->type; 746845472e8SMarcel Holtmann break; 747845472e8SMarcel Holtmann } 748845472e8SMarcel Holtmann } 749845472e8SMarcel Holtmann 750845472e8SMarcel Holtmann rcu_read_unlock(); 751845472e8SMarcel Holtmann 752845472e8SMarcel Holtmann return type; 753845472e8SMarcel Holtmann } 754845472e8SMarcel Holtmann 7551da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 7561da177e4SLinus Torvalds __u16 handle) 7571da177e4SLinus Torvalds { 7581da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7591da177e4SLinus Torvalds struct hci_conn *c; 7601da177e4SLinus Torvalds 761bf4c6325SGustavo F. Padovan rcu_read_lock(); 762bf4c6325SGustavo F. Padovan 763bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 764bf4c6325SGustavo F. Padovan if (c->handle == handle) { 765bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7661da177e4SLinus Torvalds return c; 7671da177e4SLinus Torvalds } 768bf4c6325SGustavo F. Padovan } 769bf4c6325SGustavo F. Padovan rcu_read_unlock(); 770bf4c6325SGustavo F. Padovan 7711da177e4SLinus Torvalds return NULL; 7721da177e4SLinus Torvalds } 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 7751da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 7761da177e4SLinus Torvalds { 7771da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7781da177e4SLinus Torvalds struct hci_conn *c; 7791da177e4SLinus Torvalds 780bf4c6325SGustavo F. Padovan rcu_read_lock(); 781bf4c6325SGustavo F. Padovan 782bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 783bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 784bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7851da177e4SLinus Torvalds return c; 7861da177e4SLinus Torvalds } 787bf4c6325SGustavo F. Padovan } 788bf4c6325SGustavo F. Padovan 789bf4c6325SGustavo F. Padovan rcu_read_unlock(); 790bf4c6325SGustavo F. Padovan 7911da177e4SLinus Torvalds return NULL; 7921da177e4SLinus Torvalds } 7931da177e4SLinus Torvalds 7944c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 7954c67bc74SMarcel Holtmann __u8 type, __u16 state) 7964c67bc74SMarcel Holtmann { 7974c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 7984c67bc74SMarcel Holtmann struct hci_conn *c; 7994c67bc74SMarcel Holtmann 800bf4c6325SGustavo F. Padovan rcu_read_lock(); 801bf4c6325SGustavo F. Padovan 802bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 803bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 804bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8054c67bc74SMarcel Holtmann return c; 8064c67bc74SMarcel Holtmann } 807bf4c6325SGustavo F. Padovan } 808bf4c6325SGustavo F. Padovan 809bf4c6325SGustavo F. Padovan rcu_read_unlock(); 810bf4c6325SGustavo F. Padovan 8114c67bc74SMarcel Holtmann return NULL; 8124c67bc74SMarcel Holtmann } 8134c67bc74SMarcel Holtmann 814e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 8152dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 816e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 8171da177e4SLinus Torvalds 818a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 819a5c4e309SJohan Hedberg u8 role); 8201da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 8211da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 822a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 8231da177e4SLinus Torvalds 82473d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 8259472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 8262c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 82742c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 82873d80debSLuiz Augusto von Dentz 82904a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 830cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 831e804d25dSJohan Hedberg u8 role); 83204a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 83304a6c589SAndre Guedes u8 sec_level, u8 auth_type); 83410c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 83510c62ddcSFrédéric Dalleau __u16 setting); 836e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 837b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 838e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 839e7cafc45SJohan Hedberg bool initiator); 8408c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 8411da177e4SLinus Torvalds 84214b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 8431da177e4SLinus Torvalds 84406c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 84506c053fbSAndre Guedes 8468d12356fSDavid Herrmann /* 8478d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 8488d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 8498d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 8508d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 8518d12356fSDavid Herrmann * other constant data. 8528d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 8538d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 8548d12356fSDavid Herrmann * get dropped, though. 8558d12356fSDavid Herrmann * 8568d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 8578d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 8588d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 8598d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 8608d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 8618d12356fSDavid Herrmann * hci_conn_add()). 8628d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 8638d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 8648d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 8658d12356fSDavid Herrmann */ 8668d12356fSDavid Herrmann 86751bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 8688d12356fSDavid Herrmann { 8698d12356fSDavid Herrmann get_device(&conn->dev); 87051bb8457SJohan Hedberg return conn; 8718d12356fSDavid Herrmann } 8728d12356fSDavid Herrmann 8738d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 8748d12356fSDavid Herrmann { 8758d12356fSDavid Herrmann put_device(&conn->dev); 8768d12356fSDavid Herrmann } 8778d12356fSDavid Herrmann 8781da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 8791da177e4SLinus Torvalds { 88071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 88138b3fef1SAndrei Emeltchenko 8821da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 8832f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 8841da177e4SLinus Torvalds } 8851da177e4SLinus Torvalds 88676a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 8871da177e4SLinus Torvalds { 88871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 88938b3fef1SAndrei Emeltchenko 8901da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 89104837f64SMarcel Holtmann unsigned long timeo; 892716e4ab5SAndrei Emeltchenko 893716e4ab5SAndrei Emeltchenko switch (conn->type) { 894716e4ab5SAndrei Emeltchenko case ACL_LINK: 895716e4ab5SAndrei Emeltchenko case LE_LINK: 896a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 8976ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 8985f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 89904837f64SMarcel Holtmann if (!conn->out) 900052b30b0SMarcel Holtmann timeo *= 2; 9015a9d0a3fSWaldemar Rymarkiewicz } else { 902eb78d7e5SJohan Hedberg timeo = 0; 9035a9d0a3fSWaldemar Rymarkiewicz } 904716e4ab5SAndrei Emeltchenko break; 905716e4ab5SAndrei Emeltchenko 906716e4ab5SAndrei Emeltchenko case AMP_LINK: 907716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 908716e4ab5SAndrei Emeltchenko break; 909716e4ab5SAndrei Emeltchenko 910716e4ab5SAndrei Emeltchenko default: 911eb78d7e5SJohan Hedberg timeo = 0; 912716e4ab5SAndrei Emeltchenko break; 9135a9d0a3fSWaldemar Rymarkiewicz } 914716e4ab5SAndrei Emeltchenko 9152f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 91619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 9171931782bSVinicius Costa Gomes &conn->disc_work, timeo); 9181da177e4SLinus Torvalds } 9191da177e4SLinus Torvalds } 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 922dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 9231da177e4SLinus Torvalds { 924376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 925376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 926376261aeSAndrei Emeltchenko 9274c724c71SDavid Herrmann put_device(&d->dev); 928010666a1SDavid Herrmann } 9291da177e4SLinus Torvalds 930dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 9311da177e4SLinus Torvalds { 932376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 933376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 934376261aeSAndrei Emeltchenko 9354c724c71SDavid Herrmann get_device(&d->dev); 9361da177e4SLinus Torvalds return d; 9371da177e4SLinus Torvalds } 9381da177e4SLinus Torvalds 93909fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 94009fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 9411da177e4SLinus Torvalds 942aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 9433dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 944aa2b86d7SDavid Herrmann 945155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 946155961e8SDavid Herrmann { 947155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 948155961e8SDavid Herrmann } 949155961e8SDavid Herrmann 950155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 951155961e8SDavid Herrmann { 952155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 953155961e8SDavid Herrmann } 954155961e8SDavid Herrmann 9551da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 9560c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 9571da177e4SLinus Torvalds 9581da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 9591da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 9601da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 96159735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 9621da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 9631da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 96475e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 9651da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 9661da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 9671da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 9681da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 9691da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 9701da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 9711da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 9721da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 9731da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 97440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 9751da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 9761da177e4SLinus Torvalds 977dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 978b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 979dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 980dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 981dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 982d2ab0ac1SMarcel Holtmann 98315819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 98415819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 98551d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 98651d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 98715819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 988373110c5SJohan Hedberg void hci_conn_params_clear_all(struct hci_dev *hdev); 98955af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 99015819a70SAndre Guedes 991501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 992501f8827SJohan Hedberg bdaddr_t *addr, 993501f8827SJohan Hedberg u8 addr_type); 99477a77a30SAndre Guedes 99535f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 9962aeb9a1aSJohan Hedberg 99735f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 99855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 999567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 10007652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 10017652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1002ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 100335d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1004fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1005f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1006e804d25dSJohan Hedberg u8 addr_type, u8 role); 1007e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 100835f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 100955ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 101055ed8ca1SJohan Hedberg 1011970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1012970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1013970c4e46SJohan Hedberg u8 addr_type); 1014ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1015ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1016a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1017970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1018970c4e46SJohan Hedberg 101955e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 102055e76b38SJohan Hedberg 102135f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 10222763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 10236928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 10240798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10256928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 102638da1703SJohan Hedberg u8 *hash256, u8 *rand256); 10276928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10286928a924SJohan Hedberg u8 bdaddr_type); 10292763eda6SSzymon Janc 1030d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1031d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1032d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1033d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1034d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1035d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1036d2609b34SFlorian Grandel u16 timeout, u16 duration); 1037d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1038d2609b34SFlorian Grandel 10391da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 10401da177e4SLinus Torvalds 1041e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1042ef222013SMarcel Holtmann 10430ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1044a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1045b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1046b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 10471da177e4SLinus Torvalds 10486935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 10491da177e4SLinus Torvalds 10501da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1051cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1052cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1053cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1054cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1055cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1056cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1057cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1058cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1059cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1060cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1061cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1062cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1063cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1064cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1065cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1066cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1067cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1068cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 106907a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 10701da177e4SLinus Torvalds 1071eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 107253b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 107353b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 107453b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 107553b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1076d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1077d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 107853b834d2SMarcel Holtmann 107953b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1080cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1081d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1082cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1083cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1084eead27daSAndre Guedes 1085d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1086d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 108705b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1088d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1089432df05eSJohan Hedberg 10901da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 109120714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 109220714bfeSFrédéric Dalleau 10935a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 109420714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 10951da177e4SLinus Torvalds { 1096686ebf28SUlisses Furquim switch (type) { 1097686ebf28SUlisses Furquim case ACL_LINK: 1098686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 10991da177e4SLinus Torvalds 1100686ebf28SUlisses Furquim case SCO_LINK: 1101686ebf28SUlisses Furquim case ESCO_LINK: 110220714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 11031da177e4SLinus Torvalds 1104686ebf28SUlisses Furquim default: 1105686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1106686ebf28SUlisses Furquim return -EINVAL; 1107686ebf28SUlisses Furquim } 11081da177e4SLinus Torvalds } 11091da177e4SLinus Torvalds 11102950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 11112950f21aSMarcel Holtmann { 1112686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1113686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 11142950f21aSMarcel Holtmann 1115686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 11162950f21aSMarcel Holtmann } 11172950f21aSMarcel Holtmann 11181da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 11191da177e4SLinus Torvalds struct hci_cb { 11201da177e4SLinus Torvalds struct list_head list; 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvalds char *name; 11231da177e4SLinus Torvalds 1124539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 11253a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 11265a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 11275a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 11281da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 11291da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 11301da177e4SLinus Torvalds }; 11311da177e4SLinus Torvalds 1132539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1133539c496dSJohan Hedberg { 1134539c496dSJohan Hedberg struct hci_cb *cb; 1135539c496dSJohan Hedberg 1136539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1137539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1138539c496dSJohan Hedberg if (cb->connect_cfm) 1139539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1140539c496dSJohan Hedberg } 1141539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1142539c496dSJohan Hedberg 1143539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1144539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1145539c496dSJohan Hedberg } 1146539c496dSJohan Hedberg 11473a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 11483a6d576bSJohan Hedberg { 11493a6d576bSJohan Hedberg struct hci_cb *cb; 11503a6d576bSJohan Hedberg 11513a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 11523a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 11533a6d576bSJohan Hedberg if (cb->disconn_cfm) 11543a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 11553a6d576bSJohan Hedberg } 11563a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 11573a6d576bSJohan Hedberg 11583a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 11593a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 11603a6d576bSJohan Hedberg } 11613a6d576bSJohan Hedberg 11621da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 11631da177e4SLinus Torvalds { 1164711584eaSDenis Kirjanov struct hci_cb *cb; 11658c1b2355SMarcel Holtmann __u8 encrypt; 11661da177e4SLinus Torvalds 116751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 11688c1b2355SMarcel Holtmann return; 11698c1b2355SMarcel Holtmann 11704dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 11718c1b2355SMarcel Holtmann 1172fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1173711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11748c1b2355SMarcel Holtmann if (cb->security_cfm) 11758c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11761da177e4SLinus Torvalds } 1177fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1178354fe804SJohan Hedberg 1179354fe804SJohan Hedberg if (conn->security_cfm_cb) 1180354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 11811da177e4SLinus Torvalds } 11821da177e4SLinus Torvalds 11835a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 11845a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 11851da177e4SLinus Torvalds { 1186711584eaSDenis Kirjanov struct hci_cb *cb; 11871da177e4SLinus Torvalds 1188435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1189435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1190435fef20SMarcel Holtmann 119188167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 119288167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 119388167aedSVinicius Costa Gomes 1194fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1195711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11968c1b2355SMarcel Holtmann if (cb->security_cfm) 11978c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11981da177e4SLinus Torvalds } 1199fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1200354fe804SJohan Hedberg 1201354fe804SJohan Hedberg if (conn->security_cfm_cb) 1202354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12031da177e4SLinus Torvalds } 12041da177e4SLinus Torvalds 12051da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 12061da177e4SLinus Torvalds { 1207711584eaSDenis Kirjanov struct hci_cb *cb; 12081da177e4SLinus Torvalds 1209fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1210711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12111da177e4SLinus Torvalds if (cb->key_change_cfm) 12121da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 12131da177e4SLinus Torvalds } 1214fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12151da177e4SLinus Torvalds } 12161da177e4SLinus Torvalds 12175a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 12185a9d0a3fSWaldemar Rymarkiewicz __u8 role) 12191da177e4SLinus Torvalds { 1220711584eaSDenis Kirjanov struct hci_cb *cb; 12211da177e4SLinus Torvalds 1222fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1223711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12241da177e4SLinus Torvalds if (cb->role_switch_cfm) 12251da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 12261da177e4SLinus Torvalds } 1227fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12281da177e4SLinus Torvalds } 12291da177e4SLinus Torvalds 12306759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 12316759a675SJohan Hedberg { 123284d9d071SJohan Hedberg size_t parsed = 0; 12336759a675SJohan Hedberg 12346c0c331eSJohan Hedberg if (data_len < 2) 12356c0c331eSJohan Hedberg return false; 12366c0c331eSJohan Hedberg 123784d9d071SJohan Hedberg while (parsed < data_len - 1) { 123884d9d071SJohan Hedberg u8 field_len = data[0]; 12396759a675SJohan Hedberg 12406759a675SJohan Hedberg if (field_len == 0) 12416759a675SJohan Hedberg break; 12426759a675SJohan Hedberg 12436759a675SJohan Hedberg parsed += field_len + 1; 12446759a675SJohan Hedberg 12456759a675SJohan Hedberg if (parsed > data_len) 12466759a675SJohan Hedberg break; 12476759a675SJohan Hedberg 12486759a675SJohan Hedberg if (data[1] == type) 12496759a675SJohan Hedberg return true; 12506759a675SJohan Hedberg 12516759a675SJohan Hedberg data += field_len + 1; 12526759a675SJohan Hedberg } 12536759a675SJohan Hedberg 12546759a675SJohan Hedberg return false; 12556759a675SJohan Hedberg } 12566759a675SJohan Hedberg 1257301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1258301cb2d8SJohan Hedberg { 1259dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1260301cb2d8SJohan Hedberg return false; 1261301cb2d8SJohan Hedberg 1262301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1263301cb2d8SJohan Hedberg return true; 1264301cb2d8SJohan Hedberg 1265301cb2d8SJohan Hedberg return false; 1266301cb2d8SJohan Hedberg } 1267301cb2d8SJohan Hedberg 1268c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1269c46245b3SJohan Hedberg { 1270c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1271c46245b3SJohan Hedberg return true; 1272c46245b3SJohan Hedberg 1273c46245b3SJohan Hedberg /* Check for Random Static address type */ 1274c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1275c46245b3SJohan Hedberg return true; 1276c46245b3SJohan Hedberg 1277c46245b3SJohan Hedberg return false; 1278c46245b3SJohan Hedberg } 1279c46245b3SJohan Hedberg 12802426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 12812426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 12822426f3a5SJohan Hedberg { 12832426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 12842426f3a5SJohan Hedberg return NULL; 12852426f3a5SJohan Hedberg 12862426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 12872426f3a5SJohan Hedberg } 12882426f3a5SJohan Hedberg 1289d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1290d4905f24SAndre Guedes u16 to_multiplier) 1291d4905f24SAndre Guedes { 1292d4905f24SAndre Guedes u16 max_latency; 1293d4905f24SAndre Guedes 1294d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1295d4905f24SAndre Guedes return -EINVAL; 1296d4905f24SAndre Guedes 1297d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1298d4905f24SAndre Guedes return -EINVAL; 1299d4905f24SAndre Guedes 1300d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1301d4905f24SAndre Guedes return -EINVAL; 1302d4905f24SAndre Guedes 13038757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1304d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1305d4905f24SAndre Guedes return -EINVAL; 1306d4905f24SAndre Guedes 1307d4905f24SAndre Guedes return 0; 1308d4905f24SAndre Guedes } 1309d4905f24SAndre Guedes 13101da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 13111da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 13121da177e4SLinus Torvalds 131375e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 131407dc93ddSJohan Hedberg const void *param, u32 timeout); 13157b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 131607dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 131775e84b7cSJohan Hedberg 131807dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 131907dc93ddSJohan Hedberg const void *param); 132073d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 13210d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 13221da177e4SLinus Torvalds 1323a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 13241da177e4SLinus Torvalds 13251da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1326470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 13277129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1328c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1329cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 13301da177e4SLinus Torvalds 1331040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1332040030efSMarcel Holtmann 1333a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1334a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1335a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1336a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1337b9a245fbSJohan Hedberg 1338801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1339801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1340801c1e8dSJohan Hedberg u16 data_len); 1341801c1e8dSJohan Hedberg size_t data_len; 1342b9a245fbSJohan Hedberg unsigned long flags; 1343801c1e8dSJohan Hedberg }; 1344801c1e8dSJohan Hedberg 1345801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1346801c1e8dSJohan Hedberg struct list_head list; 1347801c1e8dSJohan Hedberg unsigned short channel; 1348801c1e8dSJohan Hedberg size_t handler_count; 1349801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 135088b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1351801c1e8dSJohan Hedberg }; 1352801c1e8dSJohan Hedberg 1353801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1354801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1355801c1e8dSJohan Hedberg 13560381101fSJohan Hedberg /* Management interface */ 1357591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1358591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1359591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1360591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1361591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1362591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1363f39799f5SAndre Guedes 13640d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 13650d8cc935SAndre Guedes * Discovery Procedure specification. 13660d8cc935SAndre Guedes */ 13670d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 13680d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 13693d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1370ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 13710d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 13720d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 13734b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 13740d8cc935SAndre Guedes 137591a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1376bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1377bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 13783eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1379744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1380bc6d2d04SJohan Hedberg int mgmt_update_adv_data(struct hci_dev *hdev); 1381d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 13825d900e46SFlorian Grandel void mgmt_adv_timeout_expired(struct hci_dev *hdev); 1383dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1384745c0ce3SVishal Agarwal bool persistent); 138548ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 138648ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 13879b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 138812d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 138912d4a3b2SJohan Hedberg bool mgmt_connected); 13907892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 139188c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1392445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 139348264f06SJohan Hedberg u8 addr_type, u8 status); 1394ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1395e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1396c35938b2SSzymon Janc u8 status); 13973eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1398744cf19eSJohan Hedberg u8 status); 1399744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 140039adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1401272d90dfSJohan Hedberg u8 confirm_hint); 1402744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1403272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1404272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1405272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1406272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1407272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1408604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1409272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1410272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1411272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 141292a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 141392a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 141492a25256SJohan Hedberg u8 entered); 1415e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1416464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 14173e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 14184e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 14197f9a903cSMarcel Holtmann u8 status); 14207667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1421901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1422af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1423af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 14249cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1425b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 14262f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 142784c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 142853ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 142995fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 143053ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 143153ac6ab6SMarcel Holtmann bool persistent); 1432ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1433f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1434f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 14355976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1436f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1437346af67bSVinicius Costa Gomes 14387d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 14397d6ca693SJohan Hedberg u16 to_multiplier); 1440fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 14418b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 14422519a1fcSAndre Guedes 1443a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1444a1f4c318SJohan Hedberg u8 *bdaddr_type); 1445ebd3a747SJohan Hedberg 14465d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 14475d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 14485d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 14495d4d62f6SFrédéric Dalleau 14501da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1451