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 330e68f072bSJohan Hedberg struct work_struct discov_update; 3312e93e53bSJohan Hedberg struct work_struct bg_scan_update; 33201b1cb87SJohan Hedberg struct work_struct scan_update; 33353c0ba74SJohan Hedberg struct work_struct connectable_update; 334aed1a885SJohan Hedberg struct work_struct discoverable_update; 3357c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 3367c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 3372e93e53bSJohan Hedberg 3381da177e4SLinus Torvalds struct sk_buff_head rx_q; 3391da177e4SLinus Torvalds struct sk_buff_head raw_q; 3401da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3431da177e4SLinus Torvalds 344a6a67efdSThomas Gleixner struct mutex req_lock; 3451da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3461da177e4SLinus Torvalds __u32 req_status; 3471da177e4SLinus Torvalds __u32 req_result; 348f60cb305SJohan Hedberg struct sk_buff *req_skb; 349a5040efaSJohan Hedberg 35070db83c4SJohan Hedberg void *smp_data; 351ef8efe4bSJohan Hedberg void *smp_bredr_data; 3522e58ef3eSJohan Hedberg 35330883512SJohan Hedberg struct discovery_state discovery; 3541da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3555c136e90SAndre Guedes 3565c136e90SAndre Guedes struct list_head mgmt_pending; 357ea4bd8baSDavid Miller struct list_head blacklist; 3586659358eSJohan Hedberg struct list_head whitelist; 3592aeb9a1aSJohan Hedberg struct list_head uuids; 36055ed8ca1SJohan Hedberg struct list_head link_keys; 361b899efafSVinicius Costa Gomes struct list_head long_term_keys; 362970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3632763eda6SSzymon Janc struct list_head remote_oob_data; 364d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 36515819a70SAndre Guedes struct list_head le_conn_params; 36677a77a30SAndre Guedes struct list_head pend_le_conns; 36766f8455aSJohan Hedberg struct list_head pend_le_reports; 3682763eda6SSzymon Janc 3691da177e4SLinus Torvalds struct hci_dev_stats stat; 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds atomic_t promisc; 3721da177e4SLinus Torvalds 373ca325f69SMarcel Holtmann struct dentry *debugfs; 374ca325f69SMarcel Holtmann 375a91f2e39SMarcel Holtmann struct device dev; 3761da177e4SLinus Torvalds 377611b30f7SMarcel Holtmann struct rfkill *rfkill; 378611b30f7SMarcel Holtmann 379eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 380d23264a8SAndre Guedes 3818fa19098SJohan Hedberg __s8 adv_tx_power; 3823f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3833f0f524bSJohan Hedberg __u8 adv_data_len; 384f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 385f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3868fa19098SJohan Hedberg 387d2609b34SFlorian Grandel struct list_head adv_instances; 388d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 389d2609b34SFlorian Grandel __u8 cur_adv_instance; 3905d900e46SFlorian Grandel __u16 adv_instance_timeout; 3915d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 392203fea01SArman Uguray 393863efaf2SJohan Hedberg __u8 irk[16]; 394d6bfd59cSJohan Hedberg __u32 rpa_timeout; 395d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3962b5224dcSMarcel Holtmann bdaddr_t rpa; 397863efaf2SJohan Hedberg 3981da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3991da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4001da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 401f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 402a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4037bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 4041da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 405c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 40698a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 4074b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 40824c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 4091da177e4SLinus Torvalds }; 4101da177e4SLinus Torvalds 41153502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 41253502d69SAndrei Emeltchenko 4131da177e4SLinus Torvalds struct hci_conn { 4141da177e4SLinus Torvalds struct list_head list; 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds atomic_t refcnt; 4171da177e4SLinus Torvalds 4181da177e4SLinus Torvalds bdaddr_t dst; 41929b7988aSAndre Guedes __u8 dst_type; 420662e8820SMarcel Holtmann bdaddr_t src; 421e7c4096eSMarcel Holtmann __u8 src_type; 422cb1d68f7SJohan Hedberg bdaddr_t init_addr; 423cb1d68f7SJohan Hedberg __u8 init_addr_type; 424cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 425cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4261da177e4SLinus Torvalds __u16 handle; 4271da177e4SLinus Torvalds __u16 state; 42804837f64SMarcel Holtmann __u8 mode; 4291da177e4SLinus Torvalds __u8 type; 43040bef302SJohan Hedberg __u8 role; 431a0c808b3SJohan Hedberg bool out; 4324c67bc74SMarcel Holtmann __u8 attempt; 4331da177e4SLinus Torvalds __u8 dev_class[3]; 434cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 435a8746417SMarcel Holtmann __u16 pkt_type; 43604837f64SMarcel Holtmann __u16 link_policy; 43713d39315SWaldemar Rymarkiewicz __u8 key_type; 43840be492fSMarcel Holtmann __u8 auth_type; 4398c1b2355SMarcel Holtmann __u8 sec_level; 440765c2a96SJohan Hedberg __u8 pending_sec_level; 441980e1a53SJohan Hedberg __u8 pin_length; 442726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 44317fa4b9dSJohan Hedberg __u8 io_capability; 44492a25256SJohan Hedberg __u32 passkey_notify; 44592a25256SJohan Hedberg __u8 passkey_entered; 446052b30b0SMarcel Holtmann __u16 disc_timeout; 44709ae260bSJohan Hedberg __u16 conn_timeout; 44810c62ddcSFrédéric Dalleau __u16 setting; 4491e406eefSAndre Guedes __u16 le_conn_min_interval; 4501e406eefSAndre Guedes __u16 le_conn_max_interval; 451e04fde60SMarcel Holtmann __u16 le_conn_interval; 452e04fde60SMarcel Holtmann __u16 le_conn_latency; 453e04fde60SMarcel Holtmann __u16 le_supv_timeout; 454fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 455fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4565ae76a94SAndrzej Kaczmarek __s8 rssi; 4575a134faeSAndrzej Kaczmarek __s8 tx_power; 458d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 45951a8efd7SJohan Hedberg unsigned long flags; 4601da177e4SLinus Torvalds 46133f35721SJohan Hedberg __u32 clock; 46233f35721SJohan Hedberg __u16 clock_accuracy; 46333f35721SJohan Hedberg 464dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 465dd983808SAndrzej Kaczmarek 46603b555e1SJohan Hedberg __u8 remote_cap; 46703b555e1SJohan Hedberg __u8 remote_auth; 4683161ae1cSAndrei Emeltchenko __u8 remote_id; 46903b555e1SJohan Hedberg 4701da177e4SLinus Torvalds unsigned int sent; 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds struct sk_buff_head data_q; 4732c33c06aSGustavo F. Padovan struct list_head chan_list; 4741da177e4SLinus Torvalds 47519c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4767bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 477a74a84f6SJohan Hedberg struct delayed_work idle_work; 4789489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4798ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 4801da177e4SLinus Torvalds 481b219e3acSMarcel Holtmann struct device dev; 48223b9ceb7SMarcel Holtmann struct dentry *debugfs; 483b219e3acSMarcel Holtmann 4841da177e4SLinus Torvalds struct hci_dev *hdev; 4851da177e4SLinus Torvalds void *l2cap_data; 4861da177e4SLinus Torvalds void *sco_data; 4879740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvalds struct hci_conn *link; 490e9a416b5SJohan Hedberg 491e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 492e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 493e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4941da177e4SLinus Torvalds }; 4951da177e4SLinus Torvalds 49673d80debSLuiz Augusto von Dentz struct hci_chan { 49773d80debSLuiz Augusto von Dentz struct list_head list; 49842c4e53eSAndrei Emeltchenko __u16 handle; 49973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 50073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 50173d80debSLuiz Augusto von Dentz unsigned int sent; 502168df8e5SMat Martineau __u8 state; 50373d80debSLuiz Augusto von Dentz }; 50473d80debSLuiz Augusto von Dentz 50515819a70SAndre Guedes struct hci_conn_params { 50615819a70SAndre Guedes struct list_head list; 50793450c75SJohan Hedberg struct list_head action; 50815819a70SAndre Guedes 50915819a70SAndre Guedes bdaddr_t addr; 51015819a70SAndre Guedes u8 addr_type; 51115819a70SAndre Guedes 51215819a70SAndre Guedes u16 conn_min_interval; 51315819a70SAndre Guedes u16 conn_max_interval; 514f044eb05SMarcel Holtmann u16 conn_latency; 515f044eb05SMarcel Holtmann u16 supervision_timeout; 5169fcb18efSAndre Guedes 5179fcb18efSAndre Guedes enum { 5189fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 519a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5204b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5219fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5229fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 523158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5249fcb18efSAndre Guedes } auto_connect; 525f161dd41SJohan Hedberg 526f161dd41SJohan Hedberg struct hci_conn *conn; 527158e9218SJakub Pawlowski bool explicit_connect; 52815819a70SAndre Guedes }; 52915819a70SAndre Guedes 5301da177e4SLinus Torvalds extern struct list_head hci_dev_list; 5311da177e4SLinus Torvalds extern struct list_head hci_cb_list; 5321da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 533fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 5341da177e4SLinus Torvalds 535eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 536eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 537eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 538eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 539eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 540eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 541eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 542d7a5a11dSMarcel Holtmann 543eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 544eacb44dfSMarcel Holtmann do { \ 545eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 546eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 547eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 548eacb44dfSMarcel Holtmann } while (0) 549516018a9SMarcel Holtmann 550686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 551e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 552e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 5539b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 554686ebf28SUlisses Furquim 555ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 556e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 5579b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 558ff50e8afSArron Wang #else 559ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 560ff50e8afSArron Wang __u8 *flags) 561ff50e8afSArron Wang { 562ff50e8afSArron Wang return 0; 563ff50e8afSArron Wang } 564ff50e8afSArron Wang 565ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 566ff50e8afSArron Wang { 567ff50e8afSArron Wang } 568ff50e8afSArron Wang #endif 569686ebf28SUlisses Furquim 5701da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 57170f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 57270f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5731da177e4SLinus Torvalds 57430883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5751da177e4SLinus Torvalds { 576ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 57730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 57830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 57930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 580da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 58137eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5821da177e4SLinus Torvalds } 5831da177e4SLinus Torvalds 5840256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 5850256325eSMarcel Holtmann { 58682f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 587da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 5880256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 5890256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 5900256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 5910256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 5922d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 5932d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 5940256325eSMarcel Holtmann } 5950256325eSMarcel Holtmann 59630dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 59730dc78e1SJohan Hedberg 598ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 599ff9ef578SJohan Hedberg 6001da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 6011da177e4SLinus Torvalds { 60230883512SJohan Hedberg return list_empty(&hdev->discovery.all); 6031da177e4SLinus Torvalds } 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 6061da177e4SLinus Torvalds { 60730883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6081da177e4SLinus Torvalds return jiffies - c->timestamp; 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6121da177e4SLinus Torvalds { 6131da177e4SLinus Torvalds return jiffies - e->timestamp; 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 6165a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6175a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 618561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 619561aafbcSJohan Hedberg bdaddr_t *bdaddr); 62030dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 62130dc78e1SJohan Hedberg bdaddr_t *bdaddr, 62230dc78e1SJohan Hedberg int state); 623a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 624a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 625af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 626af58925cSMarcel Holtmann bool name_known); 6271f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 6301da177e4SLinus Torvalds enum { 6311da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 63219f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 6331da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 63404837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 63504837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 636e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 637b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 63858a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 639eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 640abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 64158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 642af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 6434dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 6444dae2798SJohan Hedberg HCI_CONN_AUTH, 6454dae2798SJohan Hedberg HCI_CONN_SECURE, 6464dae2798SJohan Hedberg HCI_CONN_FIPS, 647fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 648977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 649f94b665dSJohan Hedberg HCI_CONN_DROP, 65089cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 651fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 652158e9218SJakub Pawlowski HCI_CONN_SCANNING, 6531da177e4SLinus Torvalds }; 6541da177e4SLinus Torvalds 655aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 656aa64a8b5SJohan Hedberg { 657aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 658d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 659c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 660aa64a8b5SJohan Hedberg } 661aa64a8b5SJohan Hedberg 662eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 663eb9a8f3fSMarcel Holtmann { 664eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 665d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 666eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 667eb9a8f3fSMarcel Holtmann } 668eb9a8f3fSMarcel Holtmann 6691da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6701da177e4SLinus Torvalds { 6711da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 672bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 673fcd89c09SVille Tervo switch (c->type) { 674fcd89c09SVille Tervo case ACL_LINK: 6751da177e4SLinus Torvalds h->acl_num++; 676fcd89c09SVille Tervo break; 677bd1eb66bSAndrei Emeltchenko case AMP_LINK: 678bd1eb66bSAndrei Emeltchenko h->amp_num++; 679bd1eb66bSAndrei Emeltchenko break; 680fcd89c09SVille Tervo case LE_LINK: 681fcd89c09SVille Tervo h->le_num++; 682f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 683f8218dc6SJohan Hedberg h->le_num_slave++; 684fcd89c09SVille Tervo break; 685fcd89c09SVille Tervo case SCO_LINK: 686fcd89c09SVille Tervo case ESCO_LINK: 6871da177e4SLinus Torvalds h->sco_num++; 688fcd89c09SVille Tervo break; 689fcd89c09SVille Tervo } 6901da177e4SLinus Torvalds } 6911da177e4SLinus Torvalds 6921da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 6931da177e4SLinus Torvalds { 6941da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 695bf4c6325SGustavo F. Padovan 696bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 697bf4c6325SGustavo F. Padovan synchronize_rcu(); 698bf4c6325SGustavo F. Padovan 699fcd89c09SVille Tervo switch (c->type) { 700fcd89c09SVille Tervo case ACL_LINK: 7011da177e4SLinus Torvalds h->acl_num--; 702fcd89c09SVille Tervo break; 703bd1eb66bSAndrei Emeltchenko case AMP_LINK: 704bd1eb66bSAndrei Emeltchenko h->amp_num--; 705bd1eb66bSAndrei Emeltchenko break; 706fcd89c09SVille Tervo case LE_LINK: 707fcd89c09SVille Tervo h->le_num--; 708f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 709f8218dc6SJohan Hedberg h->le_num_slave--; 710fcd89c09SVille Tervo break; 711fcd89c09SVille Tervo case SCO_LINK: 712fcd89c09SVille Tervo case ESCO_LINK: 7131da177e4SLinus Torvalds h->sco_num--; 714fcd89c09SVille Tervo break; 715fcd89c09SVille Tervo } 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 71852087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 71952087a79SLuiz Augusto von Dentz { 72052087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 72152087a79SLuiz Augusto von Dentz switch (type) { 72252087a79SLuiz Augusto von Dentz case ACL_LINK: 72352087a79SLuiz Augusto von Dentz return h->acl_num; 724bd1eb66bSAndrei Emeltchenko case AMP_LINK: 725bd1eb66bSAndrei Emeltchenko return h->amp_num; 72652087a79SLuiz Augusto von Dentz case LE_LINK: 72752087a79SLuiz Augusto von Dentz return h->le_num; 72852087a79SLuiz Augusto von Dentz case SCO_LINK: 72952087a79SLuiz Augusto von Dentz case ESCO_LINK: 73052087a79SLuiz Augusto von Dentz return h->sco_num; 73152087a79SLuiz Augusto von Dentz default: 73252087a79SLuiz Augusto von Dentz return 0; 73352087a79SLuiz Augusto von Dentz } 73452087a79SLuiz Augusto von Dentz } 73552087a79SLuiz Augusto von Dentz 736f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 737f4f07505SJohan Hedberg { 738f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 739f4f07505SJohan Hedberg 740f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 741f4f07505SJohan Hedberg } 742f4f07505SJohan Hedberg 743845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 744845472e8SMarcel Holtmann { 745845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 746845472e8SMarcel Holtmann struct hci_conn *c; 747845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 748845472e8SMarcel Holtmann 749845472e8SMarcel Holtmann rcu_read_lock(); 750845472e8SMarcel Holtmann 751845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 752845472e8SMarcel Holtmann if (c->handle == handle) { 753845472e8SMarcel Holtmann type = c->type; 754845472e8SMarcel Holtmann break; 755845472e8SMarcel Holtmann } 756845472e8SMarcel Holtmann } 757845472e8SMarcel Holtmann 758845472e8SMarcel Holtmann rcu_read_unlock(); 759845472e8SMarcel Holtmann 760845472e8SMarcel Holtmann return type; 761845472e8SMarcel Holtmann } 762845472e8SMarcel Holtmann 7631da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 7641da177e4SLinus Torvalds __u16 handle) 7651da177e4SLinus Torvalds { 7661da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7671da177e4SLinus Torvalds struct hci_conn *c; 7681da177e4SLinus Torvalds 769bf4c6325SGustavo F. Padovan rcu_read_lock(); 770bf4c6325SGustavo F. Padovan 771bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 772bf4c6325SGustavo F. Padovan if (c->handle == handle) { 773bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7741da177e4SLinus Torvalds return c; 7751da177e4SLinus Torvalds } 776bf4c6325SGustavo F. Padovan } 777bf4c6325SGustavo F. Padovan rcu_read_unlock(); 778bf4c6325SGustavo F. Padovan 7791da177e4SLinus Torvalds return NULL; 7801da177e4SLinus Torvalds } 7811da177e4SLinus Torvalds 7821da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 7831da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 7841da177e4SLinus Torvalds { 7851da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7861da177e4SLinus Torvalds struct hci_conn *c; 7871da177e4SLinus Torvalds 788bf4c6325SGustavo F. Padovan rcu_read_lock(); 789bf4c6325SGustavo F. Padovan 790bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 791bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 792bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7931da177e4SLinus Torvalds return c; 7941da177e4SLinus Torvalds } 795bf4c6325SGustavo F. Padovan } 796bf4c6325SGustavo F. Padovan 797bf4c6325SGustavo F. Padovan rcu_read_unlock(); 798bf4c6325SGustavo F. Padovan 7991da177e4SLinus Torvalds return NULL; 8001da177e4SLinus Torvalds } 8011da177e4SLinus Torvalds 8021b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 8031b51c7b6SJohan Hedberg bdaddr_t *ba, 8041b51c7b6SJohan Hedberg __u8 ba_type) 8051b51c7b6SJohan Hedberg { 8061b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 8071b51c7b6SJohan Hedberg struct hci_conn *c; 8081b51c7b6SJohan Hedberg 8091b51c7b6SJohan Hedberg rcu_read_lock(); 8101b51c7b6SJohan Hedberg 8111b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 8121b51c7b6SJohan Hedberg if (c->type != LE_LINK) 8131b51c7b6SJohan Hedberg continue; 8141b51c7b6SJohan Hedberg 8151b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 8161b51c7b6SJohan Hedberg rcu_read_unlock(); 8171b51c7b6SJohan Hedberg return c; 8181b51c7b6SJohan Hedberg } 8191b51c7b6SJohan Hedberg } 8201b51c7b6SJohan Hedberg 8211b51c7b6SJohan Hedberg rcu_read_unlock(); 8221b51c7b6SJohan Hedberg 8231b51c7b6SJohan Hedberg return NULL; 8241b51c7b6SJohan Hedberg } 8251b51c7b6SJohan Hedberg 8264c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 8274c67bc74SMarcel Holtmann __u8 type, __u16 state) 8284c67bc74SMarcel Holtmann { 8294c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 8304c67bc74SMarcel Holtmann struct hci_conn *c; 8314c67bc74SMarcel Holtmann 832bf4c6325SGustavo F. Padovan rcu_read_lock(); 833bf4c6325SGustavo F. Padovan 834bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 835bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 836bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8374c67bc74SMarcel Holtmann return c; 8384c67bc74SMarcel Holtmann } 839bf4c6325SGustavo F. Padovan } 840bf4c6325SGustavo F. Padovan 841bf4c6325SGustavo F. Padovan rcu_read_unlock(); 842bf4c6325SGustavo F. Padovan 8434c67bc74SMarcel Holtmann return NULL; 8444c67bc74SMarcel Holtmann } 8454c67bc74SMarcel Holtmann 846e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 847e7d9ab73SJakub Pawlowski { 848e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 849e7d9ab73SJakub Pawlowski struct hci_conn *c; 850e7d9ab73SJakub Pawlowski 851e7d9ab73SJakub Pawlowski rcu_read_lock(); 852e7d9ab73SJakub Pawlowski 853e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 854e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 855e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 856e7d9ab73SJakub Pawlowski rcu_read_unlock(); 857e7d9ab73SJakub Pawlowski return c; 858e7d9ab73SJakub Pawlowski } 859e7d9ab73SJakub Pawlowski } 860e7d9ab73SJakub Pawlowski 861e7d9ab73SJakub Pawlowski rcu_read_unlock(); 862e7d9ab73SJakub Pawlowski 863e7d9ab73SJakub Pawlowski return NULL; 864e7d9ab73SJakub Pawlowski } 865e7d9ab73SJakub Pawlowski 866e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 8672dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 868e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 8691da177e4SLinus Torvalds 870a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 871a5c4e309SJohan Hedberg u8 role); 8721da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 8731da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 874a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 8751da177e4SLinus Torvalds 87673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 8779472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 8782c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 87942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 88073d80debSLuiz Augusto von Dentz 881f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 882f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 8830ad06aa6SJohan Hedberg u16 conn_timeout); 88404a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 885cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 886e804d25dSJohan Hedberg u8 role); 88704a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 88804a6c589SAndre Guedes u8 sec_level, u8 auth_type); 88910c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 89010c62ddcSFrédéric Dalleau __u16 setting); 891e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 892b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 893e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 894e7cafc45SJohan Hedberg bool initiator); 8958c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 8961da177e4SLinus Torvalds 89714b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 8981da177e4SLinus Torvalds 89906c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 90006c053fbSAndre Guedes 9018d12356fSDavid Herrmann /* 9028d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 9038d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 9048d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 9058d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 9068d12356fSDavid Herrmann * other constant data. 9078d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 9088d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 9098d12356fSDavid Herrmann * get dropped, though. 9108d12356fSDavid Herrmann * 9118d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 9128d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 9138d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 9148d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 9158d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 9168d12356fSDavid Herrmann * hci_conn_add()). 9178d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 9188d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 9198d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 9208d12356fSDavid Herrmann */ 9218d12356fSDavid Herrmann 92251bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 9238d12356fSDavid Herrmann { 9248d12356fSDavid Herrmann get_device(&conn->dev); 92551bb8457SJohan Hedberg return conn; 9268d12356fSDavid Herrmann } 9278d12356fSDavid Herrmann 9288d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 9298d12356fSDavid Herrmann { 9308d12356fSDavid Herrmann put_device(&conn->dev); 9318d12356fSDavid Herrmann } 9328d12356fSDavid Herrmann 9331da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 9341da177e4SLinus Torvalds { 93571becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 93638b3fef1SAndrei Emeltchenko 9371da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 9382f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 9391da177e4SLinus Torvalds } 9401da177e4SLinus Torvalds 94176a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 9421da177e4SLinus Torvalds { 94371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 94438b3fef1SAndrei Emeltchenko 9451da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 94604837f64SMarcel Holtmann unsigned long timeo; 947716e4ab5SAndrei Emeltchenko 948716e4ab5SAndrei Emeltchenko switch (conn->type) { 949716e4ab5SAndrei Emeltchenko case ACL_LINK: 950716e4ab5SAndrei Emeltchenko case LE_LINK: 951a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 9526ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 9535f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 95404837f64SMarcel Holtmann if (!conn->out) 955052b30b0SMarcel Holtmann timeo *= 2; 9565a9d0a3fSWaldemar Rymarkiewicz } else { 957eb78d7e5SJohan Hedberg timeo = 0; 9585a9d0a3fSWaldemar Rymarkiewicz } 959716e4ab5SAndrei Emeltchenko break; 960716e4ab5SAndrei Emeltchenko 961716e4ab5SAndrei Emeltchenko case AMP_LINK: 962716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 963716e4ab5SAndrei Emeltchenko break; 964716e4ab5SAndrei Emeltchenko 965716e4ab5SAndrei Emeltchenko default: 966eb78d7e5SJohan Hedberg timeo = 0; 967716e4ab5SAndrei Emeltchenko break; 9685a9d0a3fSWaldemar Rymarkiewicz } 969716e4ab5SAndrei Emeltchenko 9702f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 97119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 9721931782bSVinicius Costa Gomes &conn->disc_work, timeo); 9731da177e4SLinus Torvalds } 9741da177e4SLinus Torvalds } 9751da177e4SLinus Torvalds 9761da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 977dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 9781da177e4SLinus Torvalds { 979376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 980376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 981376261aeSAndrei Emeltchenko 9824c724c71SDavid Herrmann put_device(&d->dev); 983010666a1SDavid Herrmann } 9841da177e4SLinus Torvalds 985dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 9861da177e4SLinus Torvalds { 987376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 988376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 989376261aeSAndrei Emeltchenko 9904c724c71SDavid Herrmann get_device(&d->dev); 9911da177e4SLinus Torvalds return d; 9921da177e4SLinus Torvalds } 9931da177e4SLinus Torvalds 99409fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 99509fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 9961da177e4SLinus Torvalds 997aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 9983dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 999aa2b86d7SDavid Herrmann 1000155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1001155961e8SDavid Herrmann { 1002155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1003155961e8SDavid Herrmann } 1004155961e8SDavid Herrmann 1005155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1006155961e8SDavid Herrmann { 1007155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1008155961e8SDavid Herrmann } 1009155961e8SDavid Herrmann 10101da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 10110c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 10141da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 10151da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 101659735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 10171da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 10181da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 101975e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 10201da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 10211da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 10226b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 10231da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 10241da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 10251da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 10261da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 10271da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 10281da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 10291da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 103040be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 10311da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 10321da177e4SLinus Torvalds 1033dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1034b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1035dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1036dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1037dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1038d2ab0ac1SMarcel Holtmann 103915819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 104015819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 104151d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 104251d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 104315819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 104455af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 104515819a70SAndre Guedes 1046501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1047501f8827SJohan Hedberg bdaddr_t *addr, 1048501f8827SJohan Hedberg u8 addr_type); 104977a77a30SAndre Guedes 105035f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 10512aeb9a1aSJohan Hedberg 105235f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 105355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1054567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 10557652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 10567652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1057ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 105835d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1059fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1060f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1061e804d25dSJohan Hedberg u8 addr_type, u8 role); 1062e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 106335f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 106455ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 106555ed8ca1SJohan Hedberg 1066970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1067970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1068970c4e46SJohan Hedberg u8 addr_type); 1069ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1070ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1071a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1072970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1073970c4e46SJohan Hedberg 107455e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 107555e76b38SJohan Hedberg 107635f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 10772763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 10786928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 10790798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10806928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 108138da1703SJohan Hedberg u8 *hash256, u8 *rand256); 10826928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10836928a924SJohan Hedberg u8 bdaddr_type); 10842763eda6SSzymon Janc 1085d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1086d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1087d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1088d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1089d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1090d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1091d2609b34SFlorian Grandel u16 timeout, u16 duration); 1092d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1093d2609b34SFlorian Grandel 10941da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 10951da177e4SLinus Torvalds 1096e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1097e875ff84SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 1098ef222013SMarcel Holtmann 10990ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1100a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1101b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1102b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 11031da177e4SLinus Torvalds 11046935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 11051da177e4SLinus Torvalds 11061da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1107cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1108cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1109cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1110cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1111cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1112cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1113cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1114cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1115cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1116cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1117cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1118cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1119cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1120cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1121cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1122cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1123cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1124cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 112507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 11261da177e4SLinus Torvalds 1127eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 112853b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 112953b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 113053b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 113153b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1132d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1133d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 113453b834d2SMarcel Holtmann 113553b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1136cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1137d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1138cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1139cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1140eead27daSAndre Guedes 1141d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1142d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 114305b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1144d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1145432df05eSJohan Hedberg 11461da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 114720714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 114820714bfeSFrédéric Dalleau 11495a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 115020714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 11511da177e4SLinus Torvalds { 1152686ebf28SUlisses Furquim switch (type) { 1153686ebf28SUlisses Furquim case ACL_LINK: 1154686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 11551da177e4SLinus Torvalds 1156686ebf28SUlisses Furquim case SCO_LINK: 1157686ebf28SUlisses Furquim case ESCO_LINK: 115820714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 11591da177e4SLinus Torvalds 1160686ebf28SUlisses Furquim default: 1161686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1162686ebf28SUlisses Furquim return -EINVAL; 1163686ebf28SUlisses Furquim } 11641da177e4SLinus Torvalds } 11651da177e4SLinus Torvalds 11662950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 11672950f21aSMarcel Holtmann { 1168686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1169686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 11702950f21aSMarcel Holtmann 1171686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 11722950f21aSMarcel Holtmann } 11732950f21aSMarcel Holtmann 11741da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 11751da177e4SLinus Torvalds struct hci_cb { 11761da177e4SLinus Torvalds struct list_head list; 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds char *name; 11791da177e4SLinus Torvalds 1180539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 11813a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 11825a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 11835a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 11841da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 11851da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 11861da177e4SLinus Torvalds }; 11871da177e4SLinus Torvalds 1188539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1189539c496dSJohan Hedberg { 1190539c496dSJohan Hedberg struct hci_cb *cb; 1191539c496dSJohan Hedberg 1192539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1193539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1194539c496dSJohan Hedberg if (cb->connect_cfm) 1195539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1196539c496dSJohan Hedberg } 1197539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1198539c496dSJohan Hedberg 1199539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1200539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1201539c496dSJohan Hedberg } 1202539c496dSJohan Hedberg 12033a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 12043a6d576bSJohan Hedberg { 12053a6d576bSJohan Hedberg struct hci_cb *cb; 12063a6d576bSJohan Hedberg 12073a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 12083a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 12093a6d576bSJohan Hedberg if (cb->disconn_cfm) 12103a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 12113a6d576bSJohan Hedberg } 12123a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12133a6d576bSJohan Hedberg 12143a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 12153a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 12163a6d576bSJohan Hedberg } 12173a6d576bSJohan Hedberg 12181da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 12191da177e4SLinus Torvalds { 1220711584eaSDenis Kirjanov struct hci_cb *cb; 12218c1b2355SMarcel Holtmann __u8 encrypt; 12221da177e4SLinus Torvalds 122351a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 12248c1b2355SMarcel Holtmann return; 12258c1b2355SMarcel Holtmann 12264dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 12278c1b2355SMarcel Holtmann 1228fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1229711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12308c1b2355SMarcel Holtmann if (cb->security_cfm) 12318c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12321da177e4SLinus Torvalds } 1233fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1234354fe804SJohan Hedberg 1235354fe804SJohan Hedberg if (conn->security_cfm_cb) 1236354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12371da177e4SLinus Torvalds } 12381da177e4SLinus Torvalds 12395a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 12405a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 12411da177e4SLinus Torvalds { 1242711584eaSDenis Kirjanov struct hci_cb *cb; 12431da177e4SLinus Torvalds 1244435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1245435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1246435fef20SMarcel Holtmann 124788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 124888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 124988167aedSVinicius Costa Gomes 1250fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1251711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12528c1b2355SMarcel Holtmann if (cb->security_cfm) 12538c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12541da177e4SLinus Torvalds } 1255fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1256354fe804SJohan Hedberg 1257354fe804SJohan Hedberg if (conn->security_cfm_cb) 1258354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12591da177e4SLinus Torvalds } 12601da177e4SLinus Torvalds 12611da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 12621da177e4SLinus Torvalds { 1263711584eaSDenis Kirjanov struct hci_cb *cb; 12641da177e4SLinus Torvalds 1265fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1266711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12671da177e4SLinus Torvalds if (cb->key_change_cfm) 12681da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 12691da177e4SLinus Torvalds } 1270fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12711da177e4SLinus Torvalds } 12721da177e4SLinus Torvalds 12735a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 12745a9d0a3fSWaldemar Rymarkiewicz __u8 role) 12751da177e4SLinus Torvalds { 1276711584eaSDenis Kirjanov struct hci_cb *cb; 12771da177e4SLinus Torvalds 1278fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1279711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12801da177e4SLinus Torvalds if (cb->role_switch_cfm) 12811da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 12821da177e4SLinus Torvalds } 1283fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12841da177e4SLinus Torvalds } 12851da177e4SLinus Torvalds 12866759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 12876759a675SJohan Hedberg { 128884d9d071SJohan Hedberg size_t parsed = 0; 12896759a675SJohan Hedberg 12906c0c331eSJohan Hedberg if (data_len < 2) 12916c0c331eSJohan Hedberg return false; 12926c0c331eSJohan Hedberg 129384d9d071SJohan Hedberg while (parsed < data_len - 1) { 129484d9d071SJohan Hedberg u8 field_len = data[0]; 12956759a675SJohan Hedberg 12966759a675SJohan Hedberg if (field_len == 0) 12976759a675SJohan Hedberg break; 12986759a675SJohan Hedberg 12996759a675SJohan Hedberg parsed += field_len + 1; 13006759a675SJohan Hedberg 13016759a675SJohan Hedberg if (parsed > data_len) 13026759a675SJohan Hedberg break; 13036759a675SJohan Hedberg 13046759a675SJohan Hedberg if (data[1] == type) 13056759a675SJohan Hedberg return true; 13066759a675SJohan Hedberg 13076759a675SJohan Hedberg data += field_len + 1; 13086759a675SJohan Hedberg } 13096759a675SJohan Hedberg 13106759a675SJohan Hedberg return false; 13116759a675SJohan Hedberg } 13126759a675SJohan Hedberg 1313301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1314301cb2d8SJohan Hedberg { 1315dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1316301cb2d8SJohan Hedberg return false; 1317301cb2d8SJohan Hedberg 1318301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1319301cb2d8SJohan Hedberg return true; 1320301cb2d8SJohan Hedberg 1321301cb2d8SJohan Hedberg return false; 1322301cb2d8SJohan Hedberg } 1323301cb2d8SJohan Hedberg 1324c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1325c46245b3SJohan Hedberg { 1326c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1327c46245b3SJohan Hedberg return true; 1328c46245b3SJohan Hedberg 1329c46245b3SJohan Hedberg /* Check for Random Static address type */ 1330c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1331c46245b3SJohan Hedberg return true; 1332c46245b3SJohan Hedberg 1333c46245b3SJohan Hedberg return false; 1334c46245b3SJohan Hedberg } 1335c46245b3SJohan Hedberg 13362426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 13372426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 13382426f3a5SJohan Hedberg { 13392426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 13402426f3a5SJohan Hedberg return NULL; 13412426f3a5SJohan Hedberg 13422426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 13432426f3a5SJohan Hedberg } 13442426f3a5SJohan Hedberg 1345d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1346d4905f24SAndre Guedes u16 to_multiplier) 1347d4905f24SAndre Guedes { 1348d4905f24SAndre Guedes u16 max_latency; 1349d4905f24SAndre Guedes 1350d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1351d4905f24SAndre Guedes return -EINVAL; 1352d4905f24SAndre Guedes 1353d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1354d4905f24SAndre Guedes return -EINVAL; 1355d4905f24SAndre Guedes 1356d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1357d4905f24SAndre Guedes return -EINVAL; 1358d4905f24SAndre Guedes 13598757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1360d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1361d4905f24SAndre Guedes return -EINVAL; 1362d4905f24SAndre Guedes 1363d4905f24SAndre Guedes return 0; 1364d4905f24SAndre Guedes } 1365d4905f24SAndre Guedes 13661da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 13671da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 13681da177e4SLinus Torvalds 136975e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 137007dc93ddSJohan Hedberg const void *param, u32 timeout); 13717b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 137207dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 137375e84b7cSJohan Hedberg 137407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 137507dc93ddSJohan Hedberg const void *param); 137673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 13770d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 13781da177e4SLinus Torvalds 1379a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 13801da177e4SLinus Torvalds 1381fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1382fbef168fSLoic Poulain const void *param, u32 timeout); 1383fbef168fSLoic Poulain 13841da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1385470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 13867129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1387c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1388cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 13891da177e4SLinus Torvalds 1390040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1391040030efSMarcel Holtmann 1392a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1393a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1394a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1395a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1396b9a245fbSJohan Hedberg 1397801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1398801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1399801c1e8dSJohan Hedberg u16 data_len); 1400801c1e8dSJohan Hedberg size_t data_len; 1401b9a245fbSJohan Hedberg unsigned long flags; 1402801c1e8dSJohan Hedberg }; 1403801c1e8dSJohan Hedberg 1404801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1405801c1e8dSJohan Hedberg struct list_head list; 1406801c1e8dSJohan Hedberg unsigned short channel; 1407801c1e8dSJohan Hedberg size_t handler_count; 1408801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 140988b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1410801c1e8dSJohan Hedberg }; 1411801c1e8dSJohan Hedberg 1412801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1413801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1414801c1e8dSJohan Hedberg 14150381101fSJohan Hedberg /* Management interface */ 1416591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1417591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1418591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1419591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1420591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1421591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1422f39799f5SAndre Guedes 14230d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 14240d8cc935SAndre Guedes * Discovery Procedure specification. 14250d8cc935SAndre Guedes */ 14260d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 14270d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 14283d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1429ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 14300d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 14310d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 14324b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 14330d8cc935SAndre Guedes 143491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1435bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1436bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 14373eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 14382ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 14392ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1440dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1441745c0ce3SVishal Agarwal bool persistent); 144248ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 144348ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 14449b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 144512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 144612d4a3b2SJohan Hedberg bool mgmt_connected); 14477892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 144888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1449445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 145048264f06SJohan Hedberg u8 addr_type, u8 status); 1451ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1452e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1453c35938b2SSzymon Janc u8 status); 14543eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1455744cf19eSJohan Hedberg u8 status); 1456744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 145739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1458272d90dfSJohan Hedberg u8 confirm_hint); 1459744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1460272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1461272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1462272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1463272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1464272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1465604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1466272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1467272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1468272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 146992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 147092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 147192a25256SJohan Hedberg u8 entered); 1472e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1473464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 14743e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 14754e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 14767f9a903cSMarcel Holtmann u8 status); 14777667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1478e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 14792154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1480901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1481af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1482af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 14839cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1484b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 14852f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 148684c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 148753ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1488cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 148953ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 149053ac6ab6SMarcel Holtmann bool persistent); 1491ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1492f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1493f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1494f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1495f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 149653c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1497aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1498f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1499f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1500f2252570SJohan Hedberg u8 instance); 1501f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1502f2252570SJohan Hedberg u8 instance); 1503346af67bSVinicius Costa Gomes 15047d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 15057d6ca693SJohan Hedberg u16 to_multiplier); 1506fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 15078b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 15082519a1fcSAndre Guedes 1509a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1510a1f4c318SJohan Hedberg u8 *bdaddr_type); 1511ebd3a747SJohan Hedberg 15125d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 15135d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 15145d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 15155d4d62f6SFrédéric Dalleau 15161da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1517