11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 286d5d2ee6SHeiner Kallweit #include <linux/leds.h> 291da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 30f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 311da177e4SLinus Torvalds 325e59b791SLuiz Augusto von Dentz /* HCI priority */ 335e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 345e59b791SLuiz Augusto von Dentz 351da177e4SLinus Torvalds /* HCI Core structures */ 361da177e4SLinus Torvalds struct inquiry_data { 371da177e4SLinus Torvalds bdaddr_t bdaddr; 381da177e4SLinus Torvalds __u8 pscan_rep_mode; 391da177e4SLinus Torvalds __u8 pscan_period_mode; 401da177e4SLinus Torvalds __u8 pscan_mode; 411da177e4SLinus Torvalds __u8 dev_class[3]; 421ebb9252SMarcel Holtmann __le16 clock_offset; 431da177e4SLinus Torvalds __s8 rssi; 4441a96212SMarcel Holtmann __u8 ssp_mode; 451da177e4SLinus Torvalds }; 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds struct inquiry_entry { 48561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 49561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 50561aafbcSJohan Hedberg enum { 51561aafbcSJohan Hedberg NAME_NOT_KNOWN, 52561aafbcSJohan Hedberg NAME_NEEDED, 53561aafbcSJohan Hedberg NAME_PENDING, 54561aafbcSJohan Hedberg NAME_KNOWN, 55561aafbcSJohan Hedberg } name_state; 561da177e4SLinus Torvalds __u32 timestamp; 571da177e4SLinus Torvalds struct inquiry_data data; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 6030883512SJohan Hedberg struct discovery_state { 614aab14e5SAndre Guedes int type; 62ff9ef578SJohan Hedberg enum { 63ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 64ff9ef578SJohan Hedberg DISCOVERY_STARTING, 65343f935bSAndre Guedes DISCOVERY_FINDING, 6630dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 67ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 68ff9ef578SJohan Hedberg } state; 69561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 70561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 71561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 721da177e4SLinus Torvalds __u32 timestamp; 73b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 74b9a6328fSJohan Hedberg u8 last_adv_addr_type; 75ff5cd29fSJohan Hedberg s8 last_adv_rssi; 76c70a7e4cSMarcel Holtmann u32 last_adv_flags; 77b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 78b9a6328fSJohan Hedberg u8 last_adv_data_len; 79da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8082f8b651SJakub Pawlowski bool result_filtering; 8178b781caSJohan Hedberg bool limited; 8237eab042SJakub Pawlowski s8 rssi; 8337eab042SJakub Pawlowski u16 uuid_count; 8437eab042SJakub Pawlowski u8 (*uuids)[16]; 852d28cfe7SJakub Pawlowski unsigned long scan_start; 862d28cfe7SJakub Pawlowski unsigned long scan_duration; 871da177e4SLinus Torvalds }; 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds struct hci_conn_hash { 901da177e4SLinus Torvalds struct list_head list; 911da177e4SLinus Torvalds unsigned int acl_num; 92bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 931da177e4SLinus Torvalds unsigned int sco_num; 94fcd89c09SVille Tervo unsigned int le_num; 95f8218dc6SJohan Hedberg unsigned int le_num_slave; 961da177e4SLinus Torvalds }; 971da177e4SLinus Torvalds 98f0358568SJohan Hedberg struct bdaddr_list { 99f0358568SJohan Hedberg struct list_head list; 100f0358568SJohan Hedberg bdaddr_t bdaddr; 101b9ee0a78SMarcel Holtmann u8 bdaddr_type; 102f0358568SJohan Hedberg }; 1032aeb9a1aSJohan Hedberg 1042aeb9a1aSJohan Hedberg struct bt_uuid { 1052aeb9a1aSJohan Hedberg struct list_head list; 1062aeb9a1aSJohan Hedberg u8 uuid[16]; 10783be8ecaSJohan Hedberg u8 size; 1081aff6f09SJohan Hedberg u8 svc_hint; 1092aeb9a1aSJohan Hedberg }; 1102aeb9a1aSJohan Hedberg 1117ee4ea36SMarcel Holtmann struct smp_csrk { 1127ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1137ee4ea36SMarcel Holtmann u8 bdaddr_type; 1144cd3928aSJohan Hedberg u8 type; 1157ee4ea36SMarcel Holtmann u8 val[16]; 1167ee4ea36SMarcel Holtmann }; 1177ee4ea36SMarcel Holtmann 118b899efafSVinicius Costa Gomes struct smp_ltk { 119b899efafSVinicius Costa Gomes struct list_head list; 120970d0f1bSJohan Hedberg struct rcu_head rcu; 121b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 122b899efafSVinicius Costa Gomes u8 bdaddr_type; 123b899efafSVinicius Costa Gomes u8 authenticated; 124b899efafSVinicius Costa Gomes u8 type; 125b899efafSVinicius Costa Gomes u8 enc_size; 126b899efafSVinicius Costa Gomes __le16 ediv; 127fe39c7b2SMarcel Holtmann __le64 rand; 128b899efafSVinicius Costa Gomes u8 val[16]; 12903c515d7SMarcel Holtmann }; 130b899efafSVinicius Costa Gomes 131970c4e46SJohan Hedberg struct smp_irk { 132970c4e46SJohan Hedberg struct list_head list; 133adae20cbSJohan Hedberg struct rcu_head rcu; 134970c4e46SJohan Hedberg bdaddr_t rpa; 135970c4e46SJohan Hedberg bdaddr_t bdaddr; 136970c4e46SJohan Hedberg u8 addr_type; 137970c4e46SJohan Hedberg u8 val[16]; 138970c4e46SJohan Hedberg }; 139970c4e46SJohan Hedberg 14055ed8ca1SJohan Hedberg struct link_key { 14155ed8ca1SJohan Hedberg struct list_head list; 1420378b597SJohan Hedberg struct rcu_head rcu; 14355ed8ca1SJohan Hedberg bdaddr_t bdaddr; 14455ed8ca1SJohan Hedberg u8 type; 1459b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 14655ed8ca1SJohan Hedberg u8 pin_len; 14755ed8ca1SJohan Hedberg }; 14855ed8ca1SJohan Hedberg 1492763eda6SSzymon Janc struct oob_data { 1502763eda6SSzymon Janc struct list_head list; 1512763eda6SSzymon Janc bdaddr_t bdaddr; 1526928a924SJohan Hedberg u8 bdaddr_type; 153f7697b16SMarcel Holtmann u8 present; 154519ca9d0SMarcel Holtmann u8 hash192[16]; 15538da1703SJohan Hedberg u8 rand192[16]; 156519ca9d0SMarcel Holtmann u8 hash256[16]; 15738da1703SJohan Hedberg u8 rand256[16]; 1582763eda6SSzymon Janc }; 1592763eda6SSzymon Janc 160203fea01SArman Uguray struct adv_info { 161d2609b34SFlorian Grandel struct list_head list; 162fffd38bcSFlorian Grandel bool pending; 163203fea01SArman Uguray __u8 instance; 164203fea01SArman Uguray __u32 flags; 165912098a6SArman Uguray __u16 timeout; 1665d900e46SFlorian Grandel __u16 remaining_time; 167d2609b34SFlorian Grandel __u16 duration; 168203fea01SArman Uguray __u16 adv_data_len; 169203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 170203fea01SArman Uguray __u16 scan_rsp_len; 171203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 172203fea01SArman Uguray }; 173203fea01SArman Uguray 174db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 175d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 176d2609b34SFlorian Grandel 177490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 178490c5babSJohan Hedberg 179d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 180d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 181d6bfd59cSJohan Hedberg 18231ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 18331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 18431ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 18531ad1691SAndrzej Kaczmarek 186903e4541SAndrei Emeltchenko struct amp_assoc { 187903e4541SAndrei Emeltchenko __u16 len; 188903e4541SAndrei Emeltchenko __u16 offset; 18993c284eeSAndrei Emeltchenko __u16 rem_len; 19093c284eeSAndrei Emeltchenko __u16 len_so_far; 191903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 192903e4541SAndrei Emeltchenko }; 193903e4541SAndrei Emeltchenko 194d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 195cad718edSJohan Hedberg 1961da177e4SLinus Torvalds struct hci_dev { 1971da177e4SLinus Torvalds struct list_head list; 19809fd0de5SGustavo F. Padovan struct mutex lock; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds char name[8]; 2011da177e4SLinus Torvalds unsigned long flags; 2021da177e4SLinus Torvalds __u16 id; 203c13854ceSMarcel Holtmann __u8 bus; 204943da25dSMarcel Holtmann __u8 dev_type; 2051da177e4SLinus Torvalds bdaddr_t bdaddr; 206e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 20724c457e2SMarcel Holtmann bdaddr_t public_addr; 2087a4cd51dSMarcel Holtmann bdaddr_t random_addr; 209d13eafceSMarcel Holtmann bdaddr_t static_addr; 21056ed2cb8SJohan Hedberg __u8 adv_addr_type; 2111f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 212490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 21380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 214a9de9248SMarcel Holtmann __u8 dev_class[3]; 2151aff6f09SJohan Hedberg __u8 major_class; 2161aff6f09SJohan Hedberg __u8 minor_class; 217d2c5d77fSJohan Hedberg __u8 max_page; 218cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 21960e77321SJohan Hedberg __u8 le_features[8]; 220cf1d081fSJohan Hedberg __u8 le_white_list_size; 2219b008c04SJohan Hedberg __u8 le_states[8]; 222a9de9248SMarcel Holtmann __u8 commands[64]; 2231143e5a6SMarcel Holtmann __u8 hci_ver; 2241143e5a6SMarcel Holtmann __u16 hci_rev; 225d5859e22SJohan Hedberg __u8 lmp_ver; 2261143e5a6SMarcel Holtmann __u16 manufacturer; 2277d69230cSAndrei Emeltchenko __u16 lmp_subver; 2281da177e4SLinus Torvalds __u16 voice_setting; 229b4cb9fb2SMarcel Holtmann __u8 num_iac; 230c2f0f979SMarcel Holtmann __u8 stored_max_keys; 231c2f0f979SMarcel Holtmann __u8 stored_num_keys; 23217fa4b9dSJohan Hedberg __u8 io_capability; 23391c4e9b1SMarcel Holtmann __s8 inq_tx_power; 234f332ec66SJohan Hedberg __u16 page_scan_interval; 235f332ec66SJohan Hedberg __u16 page_scan_window; 236f332ec66SJohan Hedberg __u8 page_scan_type; 2373f959d46SMarcel Holtmann __u8 le_adv_channel_map; 238628531c9SGeorg Lukas __u16 le_adv_min_interval; 239628531c9SGeorg Lukas __u16 le_adv_max_interval; 240533553f8SMarcel Holtmann __u8 le_scan_type; 241bef64738SMarcel Holtmann __u16 le_scan_interval; 242bef64738SMarcel Holtmann __u16 le_scan_window; 2434e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2444e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 24504fb7d90SMarcel Holtmann __u16 le_conn_latency; 24604fb7d90SMarcel Holtmann __u16 le_supv_timeout; 247a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 248a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 249a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 250a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 251a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 252a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 253b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 25431ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 25531ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 25606f5b778SMarcel Holtmann __u8 ssp_debug_mode; 257c7741d16SMarcel Holtmann __u8 hw_error_code; 25833f35721SJohan Hedberg __u32 clock; 259f332ec66SJohan Hedberg 2602b9be137SMarcel Holtmann __u16 devid_source; 2612b9be137SMarcel Holtmann __u16 devid_vendor; 2622b9be137SMarcel Holtmann __u16 devid_product; 2632b9be137SMarcel Holtmann __u16 devid_version; 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds __u16 pkt_type; 2665b7f9909SMarcel Holtmann __u16 esco_type; 2671da177e4SLinus Torvalds __u16 link_policy; 2681da177e4SLinus Torvalds __u16 link_mode; 2691da177e4SLinus Torvalds 27004837f64SMarcel Holtmann __u32 idle_timeout; 27104837f64SMarcel Holtmann __u16 sniff_min_interval; 27204837f64SMarcel Holtmann __u16 sniff_max_interval; 27304837f64SMarcel Holtmann 274928abaa7SAndrei Emeltchenko __u8 amp_status; 275928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 276928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 277928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 278928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 279928abaa7SAndrei Emeltchenko __u8 amp_type; 280928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 281928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 282928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 283928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 284928abaa7SAndrei Emeltchenko 285903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 286903e4541SAndrei Emeltchenko 2871e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2881e89cffbSAndrei Emeltchenko 2899f61656aSJohan Hedberg unsigned int auto_accept_delay; 2909f61656aSJohan Hedberg 2911da177e4SLinus Torvalds unsigned long quirks; 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds atomic_t cmd_cnt; 2941da177e4SLinus Torvalds unsigned int acl_cnt; 2951da177e4SLinus Torvalds unsigned int sco_cnt; 2966ed58ec5SVille Tervo unsigned int le_cnt; 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds unsigned int acl_mtu; 2991da177e4SLinus Torvalds unsigned int sco_mtu; 3006ed58ec5SVille Tervo unsigned int le_mtu; 3011da177e4SLinus Torvalds unsigned int acl_pkts; 3021da177e4SLinus Torvalds unsigned int sco_pkts; 3036ed58ec5SVille Tervo unsigned int le_pkts; 3041da177e4SLinus Torvalds 305350ee4cfSAndrei Emeltchenko __u16 block_len; 306350ee4cfSAndrei Emeltchenko __u16 block_mtu; 307350ee4cfSAndrei Emeltchenko __u16 num_blocks; 308350ee4cfSAndrei Emeltchenko __u16 block_cnt; 309350ee4cfSAndrei Emeltchenko 3101da177e4SLinus Torvalds unsigned long acl_last_tx; 3111da177e4SLinus Torvalds unsigned long sco_last_tx; 3126ed58ec5SVille Tervo unsigned long le_last_tx; 3131da177e4SLinus Torvalds 314f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3156ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 316f48fd9c8SMarcel Holtmann 317ab81cbf9SJohan Hedberg struct work_struct power_on; 3183243553fSJohan Hedberg struct delayed_work power_off; 319c7741d16SMarcel Holtmann struct work_struct error_reset; 320ab81cbf9SJohan Hedberg 32116ab91abSJohan Hedberg __u16 discov_timeout; 32216ab91abSJohan Hedberg struct delayed_work discov_off; 32316ab91abSJohan Hedberg 3247d78525dSJohan Hedberg struct delayed_work service_cache; 3257d78525dSJohan Hedberg 32665cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 327b78752ccSMarcel Holtmann 328b78752ccSMarcel Holtmann struct work_struct rx_work; 329c347b765SGustavo F. Padovan struct work_struct cmd_work; 3303eff45eaSGustavo F. Padovan struct work_struct tx_work; 3311da177e4SLinus Torvalds 332e68f072bSJohan Hedberg struct work_struct discov_update; 3332e93e53bSJohan Hedberg struct work_struct bg_scan_update; 33401b1cb87SJohan Hedberg struct work_struct scan_update; 33553c0ba74SJohan Hedberg struct work_struct connectable_update; 336aed1a885SJohan Hedberg struct work_struct discoverable_update; 3377c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 3387c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 3392e93e53bSJohan Hedberg 3401da177e4SLinus Torvalds struct sk_buff_head rx_q; 3411da177e4SLinus Torvalds struct sk_buff_head raw_q; 3421da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3431da177e4SLinus Torvalds 3441da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3451da177e4SLinus Torvalds 346a6a67efdSThomas Gleixner struct mutex req_lock; 3471da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3481da177e4SLinus Torvalds __u32 req_status; 3491da177e4SLinus Torvalds __u32 req_result; 350f60cb305SJohan Hedberg struct sk_buff *req_skb; 351a5040efaSJohan Hedberg 35270db83c4SJohan Hedberg void *smp_data; 353ef8efe4bSJohan Hedberg void *smp_bredr_data; 3542e58ef3eSJohan Hedberg 35530883512SJohan Hedberg struct discovery_state discovery; 3561da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3575c136e90SAndre Guedes 3585c136e90SAndre Guedes struct list_head mgmt_pending; 359ea4bd8baSDavid Miller struct list_head blacklist; 3606659358eSJohan Hedberg struct list_head whitelist; 3612aeb9a1aSJohan Hedberg struct list_head uuids; 36255ed8ca1SJohan Hedberg struct list_head link_keys; 363b899efafSVinicius Costa Gomes struct list_head long_term_keys; 364970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3652763eda6SSzymon Janc struct list_head remote_oob_data; 366d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 36715819a70SAndre Guedes struct list_head le_conn_params; 36877a77a30SAndre Guedes struct list_head pend_le_conns; 36966f8455aSJohan Hedberg struct list_head pend_le_reports; 3702763eda6SSzymon Janc 3711da177e4SLinus Torvalds struct hci_dev_stats stat; 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds atomic_t promisc; 3741da177e4SLinus Torvalds 375ca325f69SMarcel Holtmann struct dentry *debugfs; 376ca325f69SMarcel Holtmann 377a91f2e39SMarcel Holtmann struct device dev; 3781da177e4SLinus Torvalds 379611b30f7SMarcel Holtmann struct rfkill *rfkill; 380611b30f7SMarcel Holtmann 381eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 382d23264a8SAndre Guedes 3838fa19098SJohan Hedberg __s8 adv_tx_power; 3843f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3853f0f524bSJohan Hedberg __u8 adv_data_len; 386f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 387f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3888fa19098SJohan Hedberg 389d2609b34SFlorian Grandel struct list_head adv_instances; 390d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 391d2609b34SFlorian Grandel __u8 cur_adv_instance; 3925d900e46SFlorian Grandel __u16 adv_instance_timeout; 3935d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 394203fea01SArman Uguray 395863efaf2SJohan Hedberg __u8 irk[16]; 396d6bfd59cSJohan Hedberg __u32 rpa_timeout; 397d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3982b5224dcSMarcel Holtmann bdaddr_t rpa; 399863efaf2SJohan Hedberg 4006d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 4016d5d2ee6SHeiner Kallweit 4021da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 4031da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4041da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 405f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 406a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4077bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 4081da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 409c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 41098a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 4114b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 41224c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 4131da177e4SLinus Torvalds }; 4141da177e4SLinus Torvalds 41553502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 41653502d69SAndrei Emeltchenko 4171da177e4SLinus Torvalds struct hci_conn { 4181da177e4SLinus Torvalds struct list_head list; 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds atomic_t refcnt; 4211da177e4SLinus Torvalds 4221da177e4SLinus Torvalds bdaddr_t dst; 42329b7988aSAndre Guedes __u8 dst_type; 424662e8820SMarcel Holtmann bdaddr_t src; 425e7c4096eSMarcel Holtmann __u8 src_type; 426cb1d68f7SJohan Hedberg bdaddr_t init_addr; 427cb1d68f7SJohan Hedberg __u8 init_addr_type; 428cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 429cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4301da177e4SLinus Torvalds __u16 handle; 4311da177e4SLinus Torvalds __u16 state; 43204837f64SMarcel Holtmann __u8 mode; 4331da177e4SLinus Torvalds __u8 type; 43440bef302SJohan Hedberg __u8 role; 435a0c808b3SJohan Hedberg bool out; 4364c67bc74SMarcel Holtmann __u8 attempt; 4371da177e4SLinus Torvalds __u8 dev_class[3]; 438cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 439a8746417SMarcel Holtmann __u16 pkt_type; 44004837f64SMarcel Holtmann __u16 link_policy; 44113d39315SWaldemar Rymarkiewicz __u8 key_type; 44240be492fSMarcel Holtmann __u8 auth_type; 4438c1b2355SMarcel Holtmann __u8 sec_level; 444765c2a96SJohan Hedberg __u8 pending_sec_level; 445980e1a53SJohan Hedberg __u8 pin_length; 446726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 44717fa4b9dSJohan Hedberg __u8 io_capability; 44892a25256SJohan Hedberg __u32 passkey_notify; 44992a25256SJohan Hedberg __u8 passkey_entered; 450052b30b0SMarcel Holtmann __u16 disc_timeout; 45109ae260bSJohan Hedberg __u16 conn_timeout; 45210c62ddcSFrédéric Dalleau __u16 setting; 4531e406eefSAndre Guedes __u16 le_conn_min_interval; 4541e406eefSAndre Guedes __u16 le_conn_max_interval; 455e04fde60SMarcel Holtmann __u16 le_conn_interval; 456e04fde60SMarcel Holtmann __u16 le_conn_latency; 457e04fde60SMarcel Holtmann __u16 le_supv_timeout; 458fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 459fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4605ae76a94SAndrzej Kaczmarek __s8 rssi; 4615a134faeSAndrzej Kaczmarek __s8 tx_power; 462d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 46351a8efd7SJohan Hedberg unsigned long flags; 4641da177e4SLinus Torvalds 46533f35721SJohan Hedberg __u32 clock; 46633f35721SJohan Hedberg __u16 clock_accuracy; 46733f35721SJohan Hedberg 468dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 469dd983808SAndrzej Kaczmarek 47003b555e1SJohan Hedberg __u8 remote_cap; 47103b555e1SJohan Hedberg __u8 remote_auth; 4723161ae1cSAndrei Emeltchenko __u8 remote_id; 47303b555e1SJohan Hedberg 4741da177e4SLinus Torvalds unsigned int sent; 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds struct sk_buff_head data_q; 4772c33c06aSGustavo F. Padovan struct list_head chan_list; 4781da177e4SLinus Torvalds 47919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4807bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 481a74a84f6SJohan Hedberg struct delayed_work idle_work; 4829489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4838ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 4841da177e4SLinus Torvalds 485b219e3acSMarcel Holtmann struct device dev; 48623b9ceb7SMarcel Holtmann struct dentry *debugfs; 487b219e3acSMarcel Holtmann 4881da177e4SLinus Torvalds struct hci_dev *hdev; 4891da177e4SLinus Torvalds void *l2cap_data; 4901da177e4SLinus Torvalds void *sco_data; 4919740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds struct hci_conn *link; 494e9a416b5SJohan Hedberg 495e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 496e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 497e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4981da177e4SLinus Torvalds }; 4991da177e4SLinus Torvalds 50073d80debSLuiz Augusto von Dentz struct hci_chan { 50173d80debSLuiz Augusto von Dentz struct list_head list; 50242c4e53eSAndrei Emeltchenko __u16 handle; 50373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 50473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 50573d80debSLuiz Augusto von Dentz unsigned int sent; 506168df8e5SMat Martineau __u8 state; 50773d80debSLuiz Augusto von Dentz }; 50873d80debSLuiz Augusto von Dentz 50915819a70SAndre Guedes struct hci_conn_params { 51015819a70SAndre Guedes struct list_head list; 51193450c75SJohan Hedberg struct list_head action; 51215819a70SAndre Guedes 51315819a70SAndre Guedes bdaddr_t addr; 51415819a70SAndre Guedes u8 addr_type; 51515819a70SAndre Guedes 51615819a70SAndre Guedes u16 conn_min_interval; 51715819a70SAndre Guedes u16 conn_max_interval; 518f044eb05SMarcel Holtmann u16 conn_latency; 519f044eb05SMarcel Holtmann u16 supervision_timeout; 5209fcb18efSAndre Guedes 5219fcb18efSAndre Guedes enum { 5229fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 523a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5244b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5259fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5269fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 527158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5289fcb18efSAndre Guedes } auto_connect; 529f161dd41SJohan Hedberg 530f161dd41SJohan Hedberg struct hci_conn *conn; 531158e9218SJakub Pawlowski bool explicit_connect; 53215819a70SAndre Guedes }; 53315819a70SAndre Guedes 5341da177e4SLinus Torvalds extern struct list_head hci_dev_list; 5351da177e4SLinus Torvalds extern struct list_head hci_cb_list; 5361da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 537fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 5381da177e4SLinus Torvalds 539eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 540eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 541eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 542eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 543eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 544eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 545eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 546d7a5a11dSMarcel Holtmann 547eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 548eacb44dfSMarcel Holtmann do { \ 549eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 550eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 551eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 552eacb44dfSMarcel Holtmann } while (0) 553516018a9SMarcel Holtmann 554686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 555e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 556e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 5579b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 558686ebf28SUlisses Furquim 559ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 560e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 5619b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 562ff50e8afSArron Wang #else 563ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 564ff50e8afSArron Wang __u8 *flags) 565ff50e8afSArron Wang { 566ff50e8afSArron Wang return 0; 567ff50e8afSArron Wang } 568ff50e8afSArron Wang 569ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 570ff50e8afSArron Wang { 571ff50e8afSArron Wang } 572ff50e8afSArron Wang #endif 573686ebf28SUlisses Furquim 5741da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 57570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 57670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5771da177e4SLinus Torvalds 57830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5791da177e4SLinus Torvalds { 580ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 58130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 58230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 58330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 584da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 58537eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5861da177e4SLinus Torvalds } 5871da177e4SLinus Torvalds 5880256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 5890256325eSMarcel Holtmann { 59082f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 591da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 5920256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 5930256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 5940256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 5950256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 5962d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 5972d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 5980256325eSMarcel Holtmann } 5990256325eSMarcel Holtmann 60030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 60130dc78e1SJohan Hedberg 602ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 603ff9ef578SJohan Hedberg 6041da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 6051da177e4SLinus Torvalds { 60630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds 6091da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 6101da177e4SLinus Torvalds { 61130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6121da177e4SLinus Torvalds return jiffies - c->timestamp; 6131da177e4SLinus Torvalds } 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6161da177e4SLinus Torvalds { 6171da177e4SLinus Torvalds return jiffies - e->timestamp; 6181da177e4SLinus Torvalds } 6191da177e4SLinus Torvalds 6205a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6215a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 622561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 623561aafbcSJohan Hedberg bdaddr_t *bdaddr); 62430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 62530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 62630dc78e1SJohan Hedberg int state); 627a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 628a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 629af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 630af58925cSMarcel Holtmann bool name_known); 6311f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 6321da177e4SLinus Torvalds 6331da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 6341da177e4SLinus Torvalds enum { 6351da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 63619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 6371da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 63804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 63904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 640e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 641b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 64258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 643eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 644abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 64558a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 646af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 6474dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 6484dae2798SJohan Hedberg HCI_CONN_AUTH, 6494dae2798SJohan Hedberg HCI_CONN_SECURE, 6504dae2798SJohan Hedberg HCI_CONN_FIPS, 651fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 652977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 653f94b665dSJohan Hedberg HCI_CONN_DROP, 65489cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 655fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 656158e9218SJakub Pawlowski HCI_CONN_SCANNING, 6571da177e4SLinus Torvalds }; 6581da177e4SLinus Torvalds 659aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 660aa64a8b5SJohan Hedberg { 661aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 662d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 663c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 664aa64a8b5SJohan Hedberg } 665aa64a8b5SJohan Hedberg 666eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 667eb9a8f3fSMarcel Holtmann { 668eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 669d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 670eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 671eb9a8f3fSMarcel Holtmann } 672eb9a8f3fSMarcel Holtmann 6731da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6741da177e4SLinus Torvalds { 6751da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 676bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 677fcd89c09SVille Tervo switch (c->type) { 678fcd89c09SVille Tervo case ACL_LINK: 6791da177e4SLinus Torvalds h->acl_num++; 680fcd89c09SVille Tervo break; 681bd1eb66bSAndrei Emeltchenko case AMP_LINK: 682bd1eb66bSAndrei Emeltchenko h->amp_num++; 683bd1eb66bSAndrei Emeltchenko break; 684fcd89c09SVille Tervo case LE_LINK: 685fcd89c09SVille Tervo h->le_num++; 686f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 687f8218dc6SJohan Hedberg h->le_num_slave++; 688fcd89c09SVille Tervo break; 689fcd89c09SVille Tervo case SCO_LINK: 690fcd89c09SVille Tervo case ESCO_LINK: 6911da177e4SLinus Torvalds h->sco_num++; 692fcd89c09SVille Tervo break; 693fcd89c09SVille Tervo } 6941da177e4SLinus Torvalds } 6951da177e4SLinus Torvalds 6961da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 6971da177e4SLinus Torvalds { 6981da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 699bf4c6325SGustavo F. Padovan 700bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 701bf4c6325SGustavo F. Padovan synchronize_rcu(); 702bf4c6325SGustavo F. Padovan 703fcd89c09SVille Tervo switch (c->type) { 704fcd89c09SVille Tervo case ACL_LINK: 7051da177e4SLinus Torvalds h->acl_num--; 706fcd89c09SVille Tervo break; 707bd1eb66bSAndrei Emeltchenko case AMP_LINK: 708bd1eb66bSAndrei Emeltchenko h->amp_num--; 709bd1eb66bSAndrei Emeltchenko break; 710fcd89c09SVille Tervo case LE_LINK: 711fcd89c09SVille Tervo h->le_num--; 712f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 713f8218dc6SJohan Hedberg h->le_num_slave--; 714fcd89c09SVille Tervo break; 715fcd89c09SVille Tervo case SCO_LINK: 716fcd89c09SVille Tervo case ESCO_LINK: 7171da177e4SLinus Torvalds h->sco_num--; 718fcd89c09SVille Tervo break; 719fcd89c09SVille Tervo } 7201da177e4SLinus Torvalds } 7211da177e4SLinus Torvalds 72252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 72352087a79SLuiz Augusto von Dentz { 72452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 72552087a79SLuiz Augusto von Dentz switch (type) { 72652087a79SLuiz Augusto von Dentz case ACL_LINK: 72752087a79SLuiz Augusto von Dentz return h->acl_num; 728bd1eb66bSAndrei Emeltchenko case AMP_LINK: 729bd1eb66bSAndrei Emeltchenko return h->amp_num; 73052087a79SLuiz Augusto von Dentz case LE_LINK: 73152087a79SLuiz Augusto von Dentz return h->le_num; 73252087a79SLuiz Augusto von Dentz case SCO_LINK: 73352087a79SLuiz Augusto von Dentz case ESCO_LINK: 73452087a79SLuiz Augusto von Dentz return h->sco_num; 73552087a79SLuiz Augusto von Dentz default: 73652087a79SLuiz Augusto von Dentz return 0; 73752087a79SLuiz Augusto von Dentz } 73852087a79SLuiz Augusto von Dentz } 73952087a79SLuiz Augusto von Dentz 740f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 741f4f07505SJohan Hedberg { 742f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 743f4f07505SJohan Hedberg 744f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 745f4f07505SJohan Hedberg } 746f4f07505SJohan Hedberg 747845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 748845472e8SMarcel Holtmann { 749845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 750845472e8SMarcel Holtmann struct hci_conn *c; 751845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 752845472e8SMarcel Holtmann 753845472e8SMarcel Holtmann rcu_read_lock(); 754845472e8SMarcel Holtmann 755845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 756845472e8SMarcel Holtmann if (c->handle == handle) { 757845472e8SMarcel Holtmann type = c->type; 758845472e8SMarcel Holtmann break; 759845472e8SMarcel Holtmann } 760845472e8SMarcel Holtmann } 761845472e8SMarcel Holtmann 762845472e8SMarcel Holtmann rcu_read_unlock(); 763845472e8SMarcel Holtmann 764845472e8SMarcel Holtmann return type; 765845472e8SMarcel Holtmann } 766845472e8SMarcel Holtmann 7671da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 7681da177e4SLinus Torvalds __u16 handle) 7691da177e4SLinus Torvalds { 7701da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7711da177e4SLinus Torvalds struct hci_conn *c; 7721da177e4SLinus Torvalds 773bf4c6325SGustavo F. Padovan rcu_read_lock(); 774bf4c6325SGustavo F. Padovan 775bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 776bf4c6325SGustavo F. Padovan if (c->handle == handle) { 777bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7781da177e4SLinus Torvalds return c; 7791da177e4SLinus Torvalds } 780bf4c6325SGustavo F. Padovan } 781bf4c6325SGustavo F. Padovan rcu_read_unlock(); 782bf4c6325SGustavo F. Padovan 7831da177e4SLinus Torvalds return NULL; 7841da177e4SLinus Torvalds } 7851da177e4SLinus Torvalds 7861da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 7871da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 7881da177e4SLinus Torvalds { 7891da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7901da177e4SLinus Torvalds struct hci_conn *c; 7911da177e4SLinus Torvalds 792bf4c6325SGustavo F. Padovan rcu_read_lock(); 793bf4c6325SGustavo F. Padovan 794bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 795bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 796bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7971da177e4SLinus Torvalds return c; 7981da177e4SLinus Torvalds } 799bf4c6325SGustavo F. Padovan } 800bf4c6325SGustavo F. Padovan 801bf4c6325SGustavo F. Padovan rcu_read_unlock(); 802bf4c6325SGustavo F. Padovan 8031da177e4SLinus Torvalds return NULL; 8041da177e4SLinus Torvalds } 8051da177e4SLinus Torvalds 8061b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 8071b51c7b6SJohan Hedberg bdaddr_t *ba, 8081b51c7b6SJohan Hedberg __u8 ba_type) 8091b51c7b6SJohan Hedberg { 8101b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 8111b51c7b6SJohan Hedberg struct hci_conn *c; 8121b51c7b6SJohan Hedberg 8131b51c7b6SJohan Hedberg rcu_read_lock(); 8141b51c7b6SJohan Hedberg 8151b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 8161b51c7b6SJohan Hedberg if (c->type != LE_LINK) 8171b51c7b6SJohan Hedberg continue; 8181b51c7b6SJohan Hedberg 8191b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 8201b51c7b6SJohan Hedberg rcu_read_unlock(); 8211b51c7b6SJohan Hedberg return c; 8221b51c7b6SJohan Hedberg } 8231b51c7b6SJohan Hedberg } 8241b51c7b6SJohan Hedberg 8251b51c7b6SJohan Hedberg rcu_read_unlock(); 8261b51c7b6SJohan Hedberg 8271b51c7b6SJohan Hedberg return NULL; 8281b51c7b6SJohan Hedberg } 8291b51c7b6SJohan Hedberg 8304c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 8314c67bc74SMarcel Holtmann __u8 type, __u16 state) 8324c67bc74SMarcel Holtmann { 8334c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 8344c67bc74SMarcel Holtmann struct hci_conn *c; 8354c67bc74SMarcel Holtmann 836bf4c6325SGustavo F. Padovan rcu_read_lock(); 837bf4c6325SGustavo F. Padovan 838bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 839bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 840bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8414c67bc74SMarcel Holtmann return c; 8424c67bc74SMarcel Holtmann } 843bf4c6325SGustavo F. Padovan } 844bf4c6325SGustavo F. Padovan 845bf4c6325SGustavo F. Padovan rcu_read_unlock(); 846bf4c6325SGustavo F. Padovan 8474c67bc74SMarcel Holtmann return NULL; 8484c67bc74SMarcel Holtmann } 8494c67bc74SMarcel Holtmann 850e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 851e7d9ab73SJakub Pawlowski { 852e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 853e7d9ab73SJakub Pawlowski struct hci_conn *c; 854e7d9ab73SJakub Pawlowski 855e7d9ab73SJakub Pawlowski rcu_read_lock(); 856e7d9ab73SJakub Pawlowski 857e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 858e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 859e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 860e7d9ab73SJakub Pawlowski rcu_read_unlock(); 861e7d9ab73SJakub Pawlowski return c; 862e7d9ab73SJakub Pawlowski } 863e7d9ab73SJakub Pawlowski } 864e7d9ab73SJakub Pawlowski 865e7d9ab73SJakub Pawlowski rcu_read_unlock(); 866e7d9ab73SJakub Pawlowski 867e7d9ab73SJakub Pawlowski return NULL; 868e7d9ab73SJakub Pawlowski } 869e7d9ab73SJakub Pawlowski 870e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 8712dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 872e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 8731da177e4SLinus Torvalds 874a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 875a5c4e309SJohan Hedberg u8 role); 8761da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 8771da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 878a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 8791da177e4SLinus Torvalds 88073d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 8819472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 8822c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 88342c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 88473d80debSLuiz Augusto von Dentz 885f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 886f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 8870ad06aa6SJohan Hedberg u16 conn_timeout); 88804a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 889cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 890e804d25dSJohan Hedberg u8 role); 89104a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 89204a6c589SAndre Guedes u8 sec_level, u8 auth_type); 89310c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 89410c62ddcSFrédéric Dalleau __u16 setting); 895e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 896b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 897e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 898e7cafc45SJohan Hedberg bool initiator); 8998c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 9001da177e4SLinus Torvalds 90114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 9021da177e4SLinus Torvalds 90306c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 90406c053fbSAndre Guedes 9058d12356fSDavid Herrmann /* 9068d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 9078d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 9088d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 9098d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 9108d12356fSDavid Herrmann * other constant data. 9118d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 9128d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 9138d12356fSDavid Herrmann * get dropped, though. 9148d12356fSDavid Herrmann * 9158d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 9168d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 9178d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 9188d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 9198d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 9208d12356fSDavid Herrmann * hci_conn_add()). 9218d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 9228d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 9238d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 9248d12356fSDavid Herrmann */ 9258d12356fSDavid Herrmann 92651bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 9278d12356fSDavid Herrmann { 9288d12356fSDavid Herrmann get_device(&conn->dev); 92951bb8457SJohan Hedberg return conn; 9308d12356fSDavid Herrmann } 9318d12356fSDavid Herrmann 9328d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 9338d12356fSDavid Herrmann { 9348d12356fSDavid Herrmann put_device(&conn->dev); 9358d12356fSDavid Herrmann } 9368d12356fSDavid Herrmann 9371da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 9381da177e4SLinus Torvalds { 93971becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 94038b3fef1SAndrei Emeltchenko 9411da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 9422f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 9431da177e4SLinus Torvalds } 9441da177e4SLinus Torvalds 94576a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 9461da177e4SLinus Torvalds { 94771becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 94838b3fef1SAndrei Emeltchenko 9491da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 95004837f64SMarcel Holtmann unsigned long timeo; 951716e4ab5SAndrei Emeltchenko 952716e4ab5SAndrei Emeltchenko switch (conn->type) { 953716e4ab5SAndrei Emeltchenko case ACL_LINK: 954716e4ab5SAndrei Emeltchenko case LE_LINK: 955a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 9566ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 9575f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 95804837f64SMarcel Holtmann if (!conn->out) 959052b30b0SMarcel Holtmann timeo *= 2; 9605a9d0a3fSWaldemar Rymarkiewicz } else { 961eb78d7e5SJohan Hedberg timeo = 0; 9625a9d0a3fSWaldemar Rymarkiewicz } 963716e4ab5SAndrei Emeltchenko break; 964716e4ab5SAndrei Emeltchenko 965716e4ab5SAndrei Emeltchenko case AMP_LINK: 966716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 967716e4ab5SAndrei Emeltchenko break; 968716e4ab5SAndrei Emeltchenko 969716e4ab5SAndrei Emeltchenko default: 970eb78d7e5SJohan Hedberg timeo = 0; 971716e4ab5SAndrei Emeltchenko break; 9725a9d0a3fSWaldemar Rymarkiewicz } 973716e4ab5SAndrei Emeltchenko 9742f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 97519c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 9761931782bSVinicius Costa Gomes &conn->disc_work, timeo); 9771da177e4SLinus Torvalds } 9781da177e4SLinus Torvalds } 9791da177e4SLinus Torvalds 9801da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 981dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 9821da177e4SLinus Torvalds { 983376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 984376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 985376261aeSAndrei Emeltchenko 9864c724c71SDavid Herrmann put_device(&d->dev); 987010666a1SDavid Herrmann } 9881da177e4SLinus Torvalds 989dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 9901da177e4SLinus Torvalds { 991376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 992376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 993376261aeSAndrei Emeltchenko 9944c724c71SDavid Herrmann get_device(&d->dev); 9951da177e4SLinus Torvalds return d; 9961da177e4SLinus Torvalds } 9971da177e4SLinus Torvalds 99809fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 99909fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 10001da177e4SLinus Torvalds 1001aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 10023dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1003aa2b86d7SDavid Herrmann 1004155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1005155961e8SDavid Herrmann { 1006155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1007155961e8SDavid Herrmann } 1008155961e8SDavid Herrmann 1009155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1010155961e8SDavid Herrmann { 1011155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1012155961e8SDavid Herrmann } 1013155961e8SDavid Herrmann 10141da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 10150c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 10181da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 10191da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 102059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 10211da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 10221da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 102375e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 10241da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 10251da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 10266b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 10271da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 10281da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 10291da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 10301da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 10311da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 10321da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 10331da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 103440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 10351da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 10361da177e4SLinus Torvalds 1037dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1038b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1039dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1040dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1041dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1042d2ab0ac1SMarcel Holtmann 104315819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 104415819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 104551d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 104651d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 104715819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 104855af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 104915819a70SAndre Guedes 1050501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1051501f8827SJohan Hedberg bdaddr_t *addr, 1052501f8827SJohan Hedberg u8 addr_type); 105377a77a30SAndre Guedes 105435f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 10552aeb9a1aSJohan Hedberg 105635f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 105755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1058567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 10597652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 10607652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1061ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 106235d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1063fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1064f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1065e804d25dSJohan Hedberg u8 addr_type, u8 role); 1066e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 106735f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 106855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 106955ed8ca1SJohan Hedberg 1070970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1071970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1072970c4e46SJohan Hedberg u8 addr_type); 1073ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1074ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1075a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1076970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1077970c4e46SJohan Hedberg 107855e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 107955e76b38SJohan Hedberg 108035f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 10812763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 10826928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 10830798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10846928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 108538da1703SJohan Hedberg u8 *hash256, u8 *rand256); 10866928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 10876928a924SJohan Hedberg u8 bdaddr_type); 10882763eda6SSzymon Janc 1089d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1090d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1091d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1092d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1093d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1094d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1095d2609b34SFlorian Grandel u16 timeout, u16 duration); 1096d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1097d2609b34SFlorian Grandel 10981da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 10991da177e4SLinus Torvalds 1100e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1101e875ff84SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 1102ef222013SMarcel Holtmann 11030ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1104a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1105b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1106b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 11071da177e4SLinus Torvalds 11086935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 11091da177e4SLinus Torvalds 11101da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1111cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1112cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1113cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1114cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1115cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1116cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1117cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1118cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1119cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1120cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1121cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1122cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1123cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1124cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1125cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1126cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1127cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1128cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 112907a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 11301da177e4SLinus Torvalds 1131eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 113253b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 113353b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 113453b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 113553b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1136d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1137d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 113853b834d2SMarcel Holtmann 113953b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1140cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1141d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1142cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1143cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1144eead27daSAndre Guedes 1145d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1146d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 114705b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1148d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1149432df05eSJohan Hedberg 11501da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 115120714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 115220714bfeSFrédéric Dalleau 11535a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 115420714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 11551da177e4SLinus Torvalds { 1156686ebf28SUlisses Furquim switch (type) { 1157686ebf28SUlisses Furquim case ACL_LINK: 1158686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 11591da177e4SLinus Torvalds 1160686ebf28SUlisses Furquim case SCO_LINK: 1161686ebf28SUlisses Furquim case ESCO_LINK: 116220714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 11631da177e4SLinus Torvalds 1164686ebf28SUlisses Furquim default: 1165686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1166686ebf28SUlisses Furquim return -EINVAL; 1167686ebf28SUlisses Furquim } 11681da177e4SLinus Torvalds } 11691da177e4SLinus Torvalds 11702950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 11712950f21aSMarcel Holtmann { 1172686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1173686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 11742950f21aSMarcel Holtmann 1175686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 11762950f21aSMarcel Holtmann } 11772950f21aSMarcel Holtmann 11781da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 11791da177e4SLinus Torvalds struct hci_cb { 11801da177e4SLinus Torvalds struct list_head list; 11811da177e4SLinus Torvalds 11821da177e4SLinus Torvalds char *name; 11831da177e4SLinus Torvalds 1184539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 11853a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 11865a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 11875a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 11881da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 11891da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 11901da177e4SLinus Torvalds }; 11911da177e4SLinus Torvalds 1192539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1193539c496dSJohan Hedberg { 1194539c496dSJohan Hedberg struct hci_cb *cb; 1195539c496dSJohan Hedberg 1196539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1197539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1198539c496dSJohan Hedberg if (cb->connect_cfm) 1199539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1200539c496dSJohan Hedberg } 1201539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1202539c496dSJohan Hedberg 1203539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1204539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1205539c496dSJohan Hedberg } 1206539c496dSJohan Hedberg 12073a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 12083a6d576bSJohan Hedberg { 12093a6d576bSJohan Hedberg struct hci_cb *cb; 12103a6d576bSJohan Hedberg 12113a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 12123a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 12133a6d576bSJohan Hedberg if (cb->disconn_cfm) 12143a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 12153a6d576bSJohan Hedberg } 12163a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12173a6d576bSJohan Hedberg 12183a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 12193a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 12203a6d576bSJohan Hedberg } 12213a6d576bSJohan Hedberg 12221da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 12231da177e4SLinus Torvalds { 1224711584eaSDenis Kirjanov struct hci_cb *cb; 12258c1b2355SMarcel Holtmann __u8 encrypt; 12261da177e4SLinus Torvalds 122751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 12288c1b2355SMarcel Holtmann return; 12298c1b2355SMarcel Holtmann 12304dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 12318c1b2355SMarcel Holtmann 1232fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1233711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12348c1b2355SMarcel Holtmann if (cb->security_cfm) 12358c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12361da177e4SLinus Torvalds } 1237fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1238354fe804SJohan Hedberg 1239354fe804SJohan Hedberg if (conn->security_cfm_cb) 1240354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12411da177e4SLinus Torvalds } 12421da177e4SLinus Torvalds 12435a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 12445a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 12451da177e4SLinus Torvalds { 1246711584eaSDenis Kirjanov struct hci_cb *cb; 12471da177e4SLinus Torvalds 1248435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1249435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1250435fef20SMarcel Holtmann 125188167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 125288167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 125388167aedSVinicius Costa Gomes 1254fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1255711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12568c1b2355SMarcel Holtmann if (cb->security_cfm) 12578c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12581da177e4SLinus Torvalds } 1259fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1260354fe804SJohan Hedberg 1261354fe804SJohan Hedberg if (conn->security_cfm_cb) 1262354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12631da177e4SLinus Torvalds } 12641da177e4SLinus Torvalds 12651da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 12661da177e4SLinus Torvalds { 1267711584eaSDenis Kirjanov struct hci_cb *cb; 12681da177e4SLinus Torvalds 1269fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1270711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12711da177e4SLinus Torvalds if (cb->key_change_cfm) 12721da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 12731da177e4SLinus Torvalds } 1274fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12751da177e4SLinus Torvalds } 12761da177e4SLinus Torvalds 12775a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 12785a9d0a3fSWaldemar Rymarkiewicz __u8 role) 12791da177e4SLinus Torvalds { 1280711584eaSDenis Kirjanov struct hci_cb *cb; 12811da177e4SLinus Torvalds 1282fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1283711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12841da177e4SLinus Torvalds if (cb->role_switch_cfm) 12851da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 12861da177e4SLinus Torvalds } 1287fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12881da177e4SLinus Torvalds } 12891da177e4SLinus Torvalds 12900d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 12910d3b7f64SJohan Hedberg size_t *data_len) 12926759a675SJohan Hedberg { 129384d9d071SJohan Hedberg size_t parsed = 0; 12946759a675SJohan Hedberg 12950d3b7f64SJohan Hedberg if (eir_len < 2) 12960d3b7f64SJohan Hedberg return NULL; 12976c0c331eSJohan Hedberg 12980d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 12990d3b7f64SJohan Hedberg u8 field_len = eir[0]; 13006759a675SJohan Hedberg 13016759a675SJohan Hedberg if (field_len == 0) 13026759a675SJohan Hedberg break; 13036759a675SJohan Hedberg 13046759a675SJohan Hedberg parsed += field_len + 1; 13056759a675SJohan Hedberg 13060d3b7f64SJohan Hedberg if (parsed > eir_len) 13076759a675SJohan Hedberg break; 13086759a675SJohan Hedberg 13090d3b7f64SJohan Hedberg if (eir[1] != type) { 13100d3b7f64SJohan Hedberg eir += field_len + 1; 13110d3b7f64SJohan Hedberg continue; 13126759a675SJohan Hedberg } 13136759a675SJohan Hedberg 13140d3b7f64SJohan Hedberg /* Zero length data */ 13150d3b7f64SJohan Hedberg if (field_len == 1) 13160d3b7f64SJohan Hedberg return NULL; 13170d3b7f64SJohan Hedberg 13180d3b7f64SJohan Hedberg if (data_len) 13190d3b7f64SJohan Hedberg *data_len = field_len - 1; 13200d3b7f64SJohan Hedberg 13210d3b7f64SJohan Hedberg return &eir[2]; 13220d3b7f64SJohan Hedberg } 13230d3b7f64SJohan Hedberg 13240d3b7f64SJohan Hedberg return NULL; 13256759a675SJohan Hedberg } 13266759a675SJohan Hedberg 1327301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1328301cb2d8SJohan Hedberg { 1329dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1330301cb2d8SJohan Hedberg return false; 1331301cb2d8SJohan Hedberg 1332301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1333301cb2d8SJohan Hedberg return true; 1334301cb2d8SJohan Hedberg 1335301cb2d8SJohan Hedberg return false; 1336301cb2d8SJohan Hedberg } 1337301cb2d8SJohan Hedberg 1338c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1339c46245b3SJohan Hedberg { 1340c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1341c46245b3SJohan Hedberg return true; 1342c46245b3SJohan Hedberg 1343c46245b3SJohan Hedberg /* Check for Random Static address type */ 1344c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1345c46245b3SJohan Hedberg return true; 1346c46245b3SJohan Hedberg 1347c46245b3SJohan Hedberg return false; 1348c46245b3SJohan Hedberg } 1349c46245b3SJohan Hedberg 13502426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 13512426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 13522426f3a5SJohan Hedberg { 13532426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 13542426f3a5SJohan Hedberg return NULL; 13552426f3a5SJohan Hedberg 13562426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 13572426f3a5SJohan Hedberg } 13582426f3a5SJohan Hedberg 1359d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1360d4905f24SAndre Guedes u16 to_multiplier) 1361d4905f24SAndre Guedes { 1362d4905f24SAndre Guedes u16 max_latency; 1363d4905f24SAndre Guedes 1364d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1365d4905f24SAndre Guedes return -EINVAL; 1366d4905f24SAndre Guedes 1367d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1368d4905f24SAndre Guedes return -EINVAL; 1369d4905f24SAndre Guedes 1370d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1371d4905f24SAndre Guedes return -EINVAL; 1372d4905f24SAndre Guedes 13738757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1374d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1375d4905f24SAndre Guedes return -EINVAL; 1376d4905f24SAndre Guedes 1377d4905f24SAndre Guedes return 0; 1378d4905f24SAndre Guedes } 1379d4905f24SAndre Guedes 13801da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 13811da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 13821da177e4SLinus Torvalds 138375e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 138407dc93ddSJohan Hedberg const void *param, u32 timeout); 13857b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 138607dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 138775e84b7cSJohan Hedberg 138807dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 138907dc93ddSJohan Hedberg const void *param); 139073d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 13910d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 13921da177e4SLinus Torvalds 1393a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 13941da177e4SLinus Torvalds 1395fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1396fbef168fSLoic Poulain const void *param, u32 timeout); 1397fbef168fSLoic Poulain 13981da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1399470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 14007129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1401c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1402cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 14031da177e4SLinus Torvalds 1404040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1405040030efSMarcel Holtmann 1406a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1407a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1408a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1409a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1410b9a245fbSJohan Hedberg 1411801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1412801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1413801c1e8dSJohan Hedberg u16 data_len); 1414801c1e8dSJohan Hedberg size_t data_len; 1415b9a245fbSJohan Hedberg unsigned long flags; 1416801c1e8dSJohan Hedberg }; 1417801c1e8dSJohan Hedberg 1418801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1419801c1e8dSJohan Hedberg struct list_head list; 1420801c1e8dSJohan Hedberg unsigned short channel; 1421801c1e8dSJohan Hedberg size_t handler_count; 1422801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 142388b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1424801c1e8dSJohan Hedberg }; 1425801c1e8dSJohan Hedberg 1426801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1427801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1428801c1e8dSJohan Hedberg 14290381101fSJohan Hedberg /* Management interface */ 1430591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1431591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1432591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1433591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1434591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1435591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1436f39799f5SAndre Guedes 14370d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 14380d8cc935SAndre Guedes * Discovery Procedure specification. 14390d8cc935SAndre Guedes */ 14400d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 14410d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 14423d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1443ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 14440d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 14450d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 14464b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 14470d8cc935SAndre Guedes 144891a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1449bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1450bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 14513eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 14522ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 14532ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1454dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1455745c0ce3SVishal Agarwal bool persistent); 145648ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 145748ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 14589b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 145912d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 146012d4a3b2SJohan Hedberg bool mgmt_connected); 14617892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 146288c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1463445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 146448264f06SJohan Hedberg u8 addr_type, u8 status); 1465ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1466e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1467c35938b2SSzymon Janc u8 status); 14683eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1469744cf19eSJohan Hedberg u8 status); 1470744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 147139adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1472272d90dfSJohan Hedberg u8 confirm_hint); 1473744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1474272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1475272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1476272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1477272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1478272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1479604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1480272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1481272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1482272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 148392a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 148492a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 148592a25256SJohan Hedberg u8 entered); 1486e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1487464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 14883e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 14894e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 14907f9a903cSMarcel Holtmann u8 status); 14917667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1492e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 14932154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1494901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1495af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1496af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 14979cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1498b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 14992f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 150084c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 150153ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1502cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 150353ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 150453ac6ab6SMarcel Holtmann bool persistent); 1505ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1506f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1507f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1508f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1509f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 151053c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1511aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1512f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1513f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1514f2252570SJohan Hedberg u8 instance); 1515f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1516f2252570SJohan Hedberg u8 instance); 1517346af67bSVinicius Costa Gomes 15187d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 15197d6ca693SJohan Hedberg u16 to_multiplier); 1520fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 15218b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 15222519a1fcSAndre Guedes 1523a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1524a1f4c318SJohan Hedberg u8 *bdaddr_type); 1525ebd3a747SJohan Hedberg 15265d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 15275d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 15285d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 15295d4d62f6SFrédéric Dalleau 15301da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1531