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; 7937eab042SJakub Pawlowski s8 rssi; 8037eab042SJakub Pawlowski u16 uuid_count; 8137eab042SJakub Pawlowski u8 (*uuids)[16]; 821da177e4SLinus Torvalds }; 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds struct hci_conn_hash { 851da177e4SLinus Torvalds struct list_head list; 861da177e4SLinus Torvalds unsigned int acl_num; 87bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 881da177e4SLinus Torvalds unsigned int sco_num; 89fcd89c09SVille Tervo unsigned int le_num; 90f8218dc6SJohan Hedberg unsigned int le_num_slave; 911da177e4SLinus Torvalds }; 921da177e4SLinus Torvalds 93f0358568SJohan Hedberg struct bdaddr_list { 94f0358568SJohan Hedberg struct list_head list; 95f0358568SJohan Hedberg bdaddr_t bdaddr; 96b9ee0a78SMarcel Holtmann u8 bdaddr_type; 97f0358568SJohan Hedberg }; 982aeb9a1aSJohan Hedberg 992aeb9a1aSJohan Hedberg struct bt_uuid { 1002aeb9a1aSJohan Hedberg struct list_head list; 1012aeb9a1aSJohan Hedberg u8 uuid[16]; 10283be8ecaSJohan Hedberg u8 size; 1031aff6f09SJohan Hedberg u8 svc_hint; 1042aeb9a1aSJohan Hedberg }; 1052aeb9a1aSJohan Hedberg 1067ee4ea36SMarcel Holtmann struct smp_csrk { 1077ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1087ee4ea36SMarcel Holtmann u8 bdaddr_type; 1097ee4ea36SMarcel Holtmann u8 master; 1107ee4ea36SMarcel Holtmann u8 val[16]; 1117ee4ea36SMarcel Holtmann }; 1127ee4ea36SMarcel Holtmann 113b899efafSVinicius Costa Gomes struct smp_ltk { 114b899efafSVinicius Costa Gomes struct list_head list; 115970d0f1bSJohan Hedberg struct rcu_head rcu; 116b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 117b899efafSVinicius Costa Gomes u8 bdaddr_type; 118b899efafSVinicius Costa Gomes u8 authenticated; 119b899efafSVinicius Costa Gomes u8 type; 120b899efafSVinicius Costa Gomes u8 enc_size; 121b899efafSVinicius Costa Gomes __le16 ediv; 122fe39c7b2SMarcel Holtmann __le64 rand; 123b899efafSVinicius Costa Gomes u8 val[16]; 12403c515d7SMarcel Holtmann }; 125b899efafSVinicius Costa Gomes 126970c4e46SJohan Hedberg struct smp_irk { 127970c4e46SJohan Hedberg struct list_head list; 128adae20cbSJohan Hedberg struct rcu_head rcu; 129970c4e46SJohan Hedberg bdaddr_t rpa; 130970c4e46SJohan Hedberg bdaddr_t bdaddr; 131970c4e46SJohan Hedberg u8 addr_type; 132970c4e46SJohan Hedberg u8 val[16]; 133970c4e46SJohan Hedberg }; 134970c4e46SJohan Hedberg 13555ed8ca1SJohan Hedberg struct link_key { 13655ed8ca1SJohan Hedberg struct list_head list; 1370378b597SJohan Hedberg struct rcu_head rcu; 13855ed8ca1SJohan Hedberg bdaddr_t bdaddr; 13955ed8ca1SJohan Hedberg u8 type; 1409b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 14155ed8ca1SJohan Hedberg u8 pin_len; 14255ed8ca1SJohan Hedberg }; 14355ed8ca1SJohan Hedberg 1442763eda6SSzymon Janc struct oob_data { 1452763eda6SSzymon Janc struct list_head list; 1462763eda6SSzymon Janc bdaddr_t bdaddr; 1476928a924SJohan Hedberg u8 bdaddr_type; 148519ca9d0SMarcel Holtmann u8 hash192[16]; 14938da1703SJohan Hedberg u8 rand192[16]; 150519ca9d0SMarcel Holtmann u8 hash256[16]; 15138da1703SJohan Hedberg u8 rand256[16]; 1522763eda6SSzymon Janc }; 1532763eda6SSzymon Janc 154490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 155490c5babSJohan Hedberg 156d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 157d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 158d6bfd59cSJohan Hedberg 15931ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 16031ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 16131ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 16231ad1691SAndrzej Kaczmarek 163903e4541SAndrei Emeltchenko struct amp_assoc { 164903e4541SAndrei Emeltchenko __u16 len; 165903e4541SAndrei Emeltchenko __u16 offset; 16693c284eeSAndrei Emeltchenko __u16 rem_len; 16793c284eeSAndrei Emeltchenko __u16 len_so_far; 168903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 169903e4541SAndrei Emeltchenko }; 170903e4541SAndrei Emeltchenko 171d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 172cad718edSJohan Hedberg 173cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1741da177e4SLinus Torvalds struct hci_dev { 1751da177e4SLinus Torvalds struct list_head list; 17609fd0de5SGustavo F. Padovan struct mutex lock; 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds char name[8]; 1791da177e4SLinus Torvalds unsigned long flags; 1801da177e4SLinus Torvalds __u16 id; 181c13854ceSMarcel Holtmann __u8 bus; 182943da25dSMarcel Holtmann __u8 dev_type; 1831da177e4SLinus Torvalds bdaddr_t bdaddr; 184e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 18524c457e2SMarcel Holtmann bdaddr_t public_addr; 1867a4cd51dSMarcel Holtmann bdaddr_t random_addr; 187d13eafceSMarcel Holtmann bdaddr_t static_addr; 18856ed2cb8SJohan Hedberg __u8 adv_addr_type; 1891f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 190490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 19180a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 192a9de9248SMarcel Holtmann __u8 dev_class[3]; 1931aff6f09SJohan Hedberg __u8 major_class; 1941aff6f09SJohan Hedberg __u8 minor_class; 195d2c5d77fSJohan Hedberg __u8 max_page; 196cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 19760e77321SJohan Hedberg __u8 le_features[8]; 198cf1d081fSJohan Hedberg __u8 le_white_list_size; 1999b008c04SJohan Hedberg __u8 le_states[8]; 200a9de9248SMarcel Holtmann __u8 commands[64]; 2011143e5a6SMarcel Holtmann __u8 hci_ver; 2021143e5a6SMarcel Holtmann __u16 hci_rev; 203d5859e22SJohan Hedberg __u8 lmp_ver; 2041143e5a6SMarcel Holtmann __u16 manufacturer; 2057d69230cSAndrei Emeltchenko __u16 lmp_subver; 2061da177e4SLinus Torvalds __u16 voice_setting; 207b4cb9fb2SMarcel Holtmann __u8 num_iac; 20817fa4b9dSJohan Hedberg __u8 io_capability; 20991c4e9b1SMarcel Holtmann __s8 inq_tx_power; 210f332ec66SJohan Hedberg __u16 page_scan_interval; 211f332ec66SJohan Hedberg __u16 page_scan_window; 212f332ec66SJohan Hedberg __u8 page_scan_type; 2133f959d46SMarcel Holtmann __u8 le_adv_channel_map; 214628531c9SGeorg Lukas __u16 le_adv_min_interval; 215628531c9SGeorg Lukas __u16 le_adv_max_interval; 216533553f8SMarcel Holtmann __u8 le_scan_type; 217bef64738SMarcel Holtmann __u16 le_scan_interval; 218bef64738SMarcel Holtmann __u16 le_scan_window; 2194e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2204e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 22104fb7d90SMarcel Holtmann __u16 le_conn_latency; 22204fb7d90SMarcel Holtmann __u16 le_supv_timeout; 223a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 224a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 225a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 226a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 227a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 228a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 229b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 23031ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 23131ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 23206f5b778SMarcel Holtmann __u8 ssp_debug_mode; 23333f35721SJohan Hedberg __u32 clock; 234f332ec66SJohan Hedberg 2352b9be137SMarcel Holtmann __u16 devid_source; 2362b9be137SMarcel Holtmann __u16 devid_vendor; 2372b9be137SMarcel Holtmann __u16 devid_product; 2382b9be137SMarcel Holtmann __u16 devid_version; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds __u16 pkt_type; 2415b7f9909SMarcel Holtmann __u16 esco_type; 2421da177e4SLinus Torvalds __u16 link_policy; 2431da177e4SLinus Torvalds __u16 link_mode; 2441da177e4SLinus Torvalds 24504837f64SMarcel Holtmann __u32 idle_timeout; 24604837f64SMarcel Holtmann __u16 sniff_min_interval; 24704837f64SMarcel Holtmann __u16 sniff_max_interval; 24804837f64SMarcel Holtmann 249928abaa7SAndrei Emeltchenko __u8 amp_status; 250928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 251928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 252928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 253928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 254928abaa7SAndrei Emeltchenko __u8 amp_type; 255928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 256928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 257928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 258928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 259928abaa7SAndrei Emeltchenko 260903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 261903e4541SAndrei Emeltchenko 2621e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2631e89cffbSAndrei Emeltchenko 2649f61656aSJohan Hedberg unsigned int auto_accept_delay; 2659f61656aSJohan Hedberg 2661da177e4SLinus Torvalds unsigned long quirks; 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds atomic_t cmd_cnt; 2691da177e4SLinus Torvalds unsigned int acl_cnt; 2701da177e4SLinus Torvalds unsigned int sco_cnt; 2716ed58ec5SVille Tervo unsigned int le_cnt; 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds unsigned int acl_mtu; 2741da177e4SLinus Torvalds unsigned int sco_mtu; 2756ed58ec5SVille Tervo unsigned int le_mtu; 2761da177e4SLinus Torvalds unsigned int acl_pkts; 2771da177e4SLinus Torvalds unsigned int sco_pkts; 2786ed58ec5SVille Tervo unsigned int le_pkts; 2791da177e4SLinus Torvalds 280350ee4cfSAndrei Emeltchenko __u16 block_len; 281350ee4cfSAndrei Emeltchenko __u16 block_mtu; 282350ee4cfSAndrei Emeltchenko __u16 num_blocks; 283350ee4cfSAndrei Emeltchenko __u16 block_cnt; 284350ee4cfSAndrei Emeltchenko 2851da177e4SLinus Torvalds unsigned long acl_last_tx; 2861da177e4SLinus Torvalds unsigned long sco_last_tx; 2876ed58ec5SVille Tervo unsigned long le_last_tx; 2881da177e4SLinus Torvalds 289f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2906ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 291f48fd9c8SMarcel Holtmann 292ab81cbf9SJohan Hedberg struct work_struct power_on; 2933243553fSJohan Hedberg struct delayed_work power_off; 294ab81cbf9SJohan Hedberg 29516ab91abSJohan Hedberg __u16 discov_timeout; 29616ab91abSJohan Hedberg struct delayed_work discov_off; 29716ab91abSJohan Hedberg 2987d78525dSJohan Hedberg struct delayed_work service_cache; 2997d78525dSJohan Hedberg 30065cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 301b78752ccSMarcel Holtmann 302b78752ccSMarcel Holtmann struct work_struct rx_work; 303c347b765SGustavo F. Padovan struct work_struct cmd_work; 3043eff45eaSGustavo F. Padovan struct work_struct tx_work; 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds struct sk_buff_head rx_q; 3071da177e4SLinus Torvalds struct sk_buff_head raw_q; 3081da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3091da177e4SLinus Torvalds 310b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 3111da177e4SLinus Torvalds struct sk_buff *sent_cmd; 312cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 3131da177e4SLinus Torvalds 314a6a67efdSThomas Gleixner struct mutex req_lock; 3151da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3161da177e4SLinus Torvalds __u32 req_status; 3171da177e4SLinus Torvalds __u32 req_result; 318a5040efaSJohan Hedberg 31970db83c4SJohan Hedberg void *smp_data; 320ef8efe4bSJohan Hedberg void *smp_bredr_data; 3212e58ef3eSJohan Hedberg 32230883512SJohan Hedberg struct discovery_state discovery; 3231da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3245c136e90SAndre Guedes 3255c136e90SAndre Guedes struct list_head mgmt_pending; 326ea4bd8baSDavid Miller struct list_head blacklist; 3276659358eSJohan Hedberg struct list_head whitelist; 3282aeb9a1aSJohan Hedberg struct list_head uuids; 32955ed8ca1SJohan Hedberg struct list_head link_keys; 330b899efafSVinicius Costa Gomes struct list_head long_term_keys; 331970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3322763eda6SSzymon Janc struct list_head remote_oob_data; 333d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 33415819a70SAndre Guedes struct list_head le_conn_params; 33577a77a30SAndre Guedes struct list_head pend_le_conns; 33666f8455aSJohan Hedberg struct list_head pend_le_reports; 3372763eda6SSzymon Janc 3381da177e4SLinus Torvalds struct hci_dev_stats stat; 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds atomic_t promisc; 3411da177e4SLinus Torvalds 342ca325f69SMarcel Holtmann struct dentry *debugfs; 343ca325f69SMarcel Holtmann 344a91f2e39SMarcel Holtmann struct device dev; 3451da177e4SLinus Torvalds 346611b30f7SMarcel Holtmann struct rfkill *rfkill; 347611b30f7SMarcel Holtmann 348111902f7SMarcel Holtmann unsigned long dbg_flags; 349d23264a8SAndre Guedes unsigned long dev_flags; 350d23264a8SAndre Guedes 3517ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 3527ba8b4beSAndre Guedes 3538fa19098SJohan Hedberg __s8 adv_tx_power; 3543f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3553f0f524bSJohan Hedberg __u8 adv_data_len; 356f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 357f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3588fa19098SJohan Hedberg 359863efaf2SJohan Hedberg __u8 irk[16]; 360d6bfd59cSJohan Hedberg __u32 rpa_timeout; 361d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3622b5224dcSMarcel Holtmann bdaddr_t rpa; 363863efaf2SJohan Hedberg 3641da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3651da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3661da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 367f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 3687bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3691da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 37024c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 3711da177e4SLinus Torvalds }; 3721da177e4SLinus Torvalds 37353502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 37453502d69SAndrei Emeltchenko 3751da177e4SLinus Torvalds struct hci_conn { 3761da177e4SLinus Torvalds struct list_head list; 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds atomic_t refcnt; 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds bdaddr_t dst; 38129b7988aSAndre Guedes __u8 dst_type; 382662e8820SMarcel Holtmann bdaddr_t src; 383e7c4096eSMarcel Holtmann __u8 src_type; 384cb1d68f7SJohan Hedberg bdaddr_t init_addr; 385cb1d68f7SJohan Hedberg __u8 init_addr_type; 386cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 387cb1d68f7SJohan Hedberg __u8 resp_addr_type; 3881da177e4SLinus Torvalds __u16 handle; 3891da177e4SLinus Torvalds __u16 state; 39004837f64SMarcel Holtmann __u8 mode; 3911da177e4SLinus Torvalds __u8 type; 39240bef302SJohan Hedberg __u8 role; 393a0c808b3SJohan Hedberg bool out; 3944c67bc74SMarcel Holtmann __u8 attempt; 3951da177e4SLinus Torvalds __u8 dev_class[3]; 396cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 397a8746417SMarcel Holtmann __u16 pkt_type; 39804837f64SMarcel Holtmann __u16 link_policy; 39913d39315SWaldemar Rymarkiewicz __u8 key_type; 40040be492fSMarcel Holtmann __u8 auth_type; 4018c1b2355SMarcel Holtmann __u8 sec_level; 402765c2a96SJohan Hedberg __u8 pending_sec_level; 403980e1a53SJohan Hedberg __u8 pin_length; 404726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 40517fa4b9dSJohan Hedberg __u8 io_capability; 40692a25256SJohan Hedberg __u32 passkey_notify; 40792a25256SJohan Hedberg __u8 passkey_entered; 408052b30b0SMarcel Holtmann __u16 disc_timeout; 40909ae260bSJohan Hedberg __u16 conn_timeout; 41010c62ddcSFrédéric Dalleau __u16 setting; 4111e406eefSAndre Guedes __u16 le_conn_min_interval; 4121e406eefSAndre Guedes __u16 le_conn_max_interval; 413e04fde60SMarcel Holtmann __u16 le_conn_interval; 414e04fde60SMarcel Holtmann __u16 le_conn_latency; 415e04fde60SMarcel Holtmann __u16 le_supv_timeout; 416fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 417fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4185ae76a94SAndrzej Kaczmarek __s8 rssi; 4195a134faeSAndrzej Kaczmarek __s8 tx_power; 420d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 42151a8efd7SJohan Hedberg unsigned long flags; 4221da177e4SLinus Torvalds 42333f35721SJohan Hedberg __u32 clock; 42433f35721SJohan Hedberg __u16 clock_accuracy; 42533f35721SJohan Hedberg 426dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 427dd983808SAndrzej Kaczmarek 42803b555e1SJohan Hedberg __u8 remote_cap; 42903b555e1SJohan Hedberg __u8 remote_auth; 4303161ae1cSAndrei Emeltchenko __u8 remote_id; 43103b555e1SJohan Hedberg 4321da177e4SLinus Torvalds unsigned int sent; 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds struct sk_buff_head data_q; 4352c33c06aSGustavo F. Padovan struct list_head chan_list; 4361da177e4SLinus Torvalds 43719c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4387bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 439a74a84f6SJohan Hedberg struct delayed_work idle_work; 4409489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4411da177e4SLinus Torvalds 442b219e3acSMarcel Holtmann struct device dev; 44323b9ceb7SMarcel Holtmann struct dentry *debugfs; 444b219e3acSMarcel Holtmann 4451da177e4SLinus Torvalds struct hci_dev *hdev; 4461da177e4SLinus Torvalds void *l2cap_data; 4471da177e4SLinus Torvalds void *sco_data; 4489740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds struct hci_conn *link; 451e9a416b5SJohan Hedberg 452e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 453e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 454e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4551da177e4SLinus Torvalds }; 4561da177e4SLinus Torvalds 45773d80debSLuiz Augusto von Dentz struct hci_chan { 45873d80debSLuiz Augusto von Dentz struct list_head list; 45942c4e53eSAndrei Emeltchenko __u16 handle; 46073d80debSLuiz Augusto von Dentz struct hci_conn *conn; 46173d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 46273d80debSLuiz Augusto von Dentz unsigned int sent; 463168df8e5SMat Martineau __u8 state; 46473d80debSLuiz Augusto von Dentz }; 46573d80debSLuiz Augusto von Dentz 46615819a70SAndre Guedes struct hci_conn_params { 46715819a70SAndre Guedes struct list_head list; 46893450c75SJohan Hedberg struct list_head action; 46915819a70SAndre Guedes 47015819a70SAndre Guedes bdaddr_t addr; 47115819a70SAndre Guedes u8 addr_type; 47215819a70SAndre Guedes 47315819a70SAndre Guedes u16 conn_min_interval; 47415819a70SAndre Guedes u16 conn_max_interval; 475f044eb05SMarcel Holtmann u16 conn_latency; 476f044eb05SMarcel Holtmann u16 supervision_timeout; 4779fcb18efSAndre Guedes 4789fcb18efSAndre Guedes enum { 4799fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 480a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 4814b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 4829fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 4839fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 4849fcb18efSAndre Guedes } auto_connect; 485f161dd41SJohan Hedberg 486f161dd41SJohan Hedberg struct hci_conn *conn; 48715819a70SAndre Guedes }; 48815819a70SAndre Guedes 4891da177e4SLinus Torvalds extern struct list_head hci_dev_list; 4901da177e4SLinus Torvalds extern struct list_head hci_cb_list; 4911da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 4921da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 4931da177e4SLinus Torvalds 494686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 495e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 496e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 497e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 498e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 499e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 500e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 501686ebf28SUlisses Furquim 502e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 503e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 504e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 505e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 506686ebf28SUlisses Furquim 5071da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 50870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 50970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5101da177e4SLinus Torvalds 51130883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5121da177e4SLinus Torvalds { 513ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 51430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 51530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 51630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 517da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 51837eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5191da177e4SLinus Torvalds } 5201da177e4SLinus Torvalds 5210256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 5220256325eSMarcel Holtmann { 523da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 5240256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 5250256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 5260256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 5270256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 5280256325eSMarcel Holtmann } 5290256325eSMarcel Holtmann 53030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 53130dc78e1SJohan Hedberg 532ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 533ff9ef578SJohan Hedberg 5341da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 5351da177e4SLinus Torvalds { 53630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 5401da177e4SLinus Torvalds { 54130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 5421da177e4SLinus Torvalds return jiffies - c->timestamp; 5431da177e4SLinus Torvalds } 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 5461da177e4SLinus Torvalds { 5471da177e4SLinus Torvalds return jiffies - e->timestamp; 5481da177e4SLinus Torvalds } 5491da177e4SLinus Torvalds 5505a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 5515a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 552561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 553561aafbcSJohan Hedberg bdaddr_t *bdaddr); 55430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 55530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 55630dc78e1SJohan Hedberg int state); 557a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 558a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 559af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 560af58925cSMarcel Holtmann bool name_known); 5611f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 5641da177e4SLinus Torvalds enum { 5651da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 56619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 5671da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 56804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 56904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 570e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 571b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 57258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 573eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 574abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 57558a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 57658a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 577af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 5784dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 5794dae2798SJohan Hedberg HCI_CONN_AUTH, 5804dae2798SJohan Hedberg HCI_CONN_SECURE, 5814dae2798SJohan Hedberg HCI_CONN_FIPS, 582fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 583977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 584f94b665dSJohan Hedberg HCI_CONN_DROP, 58589cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 586fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 5871da177e4SLinus Torvalds }; 5881da177e4SLinus Torvalds 589aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 590aa64a8b5SJohan Hedberg { 591aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 592c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 593c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 594aa64a8b5SJohan Hedberg } 595aa64a8b5SJohan Hedberg 596eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 597eb9a8f3fSMarcel Holtmann { 598eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 599eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 600eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 601eb9a8f3fSMarcel Holtmann } 602eb9a8f3fSMarcel Holtmann 6031da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6041da177e4SLinus Torvalds { 6051da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 606bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 607fcd89c09SVille Tervo switch (c->type) { 608fcd89c09SVille Tervo case ACL_LINK: 6091da177e4SLinus Torvalds h->acl_num++; 610fcd89c09SVille Tervo break; 611bd1eb66bSAndrei Emeltchenko case AMP_LINK: 612bd1eb66bSAndrei Emeltchenko h->amp_num++; 613bd1eb66bSAndrei Emeltchenko break; 614fcd89c09SVille Tervo case LE_LINK: 615fcd89c09SVille Tervo h->le_num++; 616f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 617f8218dc6SJohan Hedberg h->le_num_slave++; 618fcd89c09SVille Tervo break; 619fcd89c09SVille Tervo case SCO_LINK: 620fcd89c09SVille Tervo case ESCO_LINK: 6211da177e4SLinus Torvalds h->sco_num++; 622fcd89c09SVille Tervo break; 623fcd89c09SVille Tervo } 6241da177e4SLinus Torvalds } 6251da177e4SLinus Torvalds 6261da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 6271da177e4SLinus Torvalds { 6281da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 629bf4c6325SGustavo F. Padovan 630bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 631bf4c6325SGustavo F. Padovan synchronize_rcu(); 632bf4c6325SGustavo F. Padovan 633fcd89c09SVille Tervo switch (c->type) { 634fcd89c09SVille Tervo case ACL_LINK: 6351da177e4SLinus Torvalds h->acl_num--; 636fcd89c09SVille Tervo break; 637bd1eb66bSAndrei Emeltchenko case AMP_LINK: 638bd1eb66bSAndrei Emeltchenko h->amp_num--; 639bd1eb66bSAndrei Emeltchenko break; 640fcd89c09SVille Tervo case LE_LINK: 641fcd89c09SVille Tervo h->le_num--; 642f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 643f8218dc6SJohan Hedberg h->le_num_slave--; 644fcd89c09SVille Tervo break; 645fcd89c09SVille Tervo case SCO_LINK: 646fcd89c09SVille Tervo case ESCO_LINK: 6471da177e4SLinus Torvalds h->sco_num--; 648fcd89c09SVille Tervo break; 649fcd89c09SVille Tervo } 6501da177e4SLinus Torvalds } 6511da177e4SLinus Torvalds 65252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 65352087a79SLuiz Augusto von Dentz { 65452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 65552087a79SLuiz Augusto von Dentz switch (type) { 65652087a79SLuiz Augusto von Dentz case ACL_LINK: 65752087a79SLuiz Augusto von Dentz return h->acl_num; 658bd1eb66bSAndrei Emeltchenko case AMP_LINK: 659bd1eb66bSAndrei Emeltchenko return h->amp_num; 66052087a79SLuiz Augusto von Dentz case LE_LINK: 66152087a79SLuiz Augusto von Dentz return h->le_num; 66252087a79SLuiz Augusto von Dentz case SCO_LINK: 66352087a79SLuiz Augusto von Dentz case ESCO_LINK: 66452087a79SLuiz Augusto von Dentz return h->sco_num; 66552087a79SLuiz Augusto von Dentz default: 66652087a79SLuiz Augusto von Dentz return 0; 66752087a79SLuiz Augusto von Dentz } 66852087a79SLuiz Augusto von Dentz } 66952087a79SLuiz Augusto von Dentz 670f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 671f4f07505SJohan Hedberg { 672f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 673f4f07505SJohan Hedberg 674f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 675f4f07505SJohan Hedberg } 676f4f07505SJohan Hedberg 677845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 678845472e8SMarcel Holtmann { 679845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 680845472e8SMarcel Holtmann struct hci_conn *c; 681845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 682845472e8SMarcel Holtmann 683845472e8SMarcel Holtmann rcu_read_lock(); 684845472e8SMarcel Holtmann 685845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 686845472e8SMarcel Holtmann if (c->handle == handle) { 687845472e8SMarcel Holtmann type = c->type; 688845472e8SMarcel Holtmann break; 689845472e8SMarcel Holtmann } 690845472e8SMarcel Holtmann } 691845472e8SMarcel Holtmann 692845472e8SMarcel Holtmann rcu_read_unlock(); 693845472e8SMarcel Holtmann 694845472e8SMarcel Holtmann return type; 695845472e8SMarcel Holtmann } 696845472e8SMarcel Holtmann 6971da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 6981da177e4SLinus Torvalds __u16 handle) 6991da177e4SLinus Torvalds { 7001da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7011da177e4SLinus Torvalds struct hci_conn *c; 7021da177e4SLinus Torvalds 703bf4c6325SGustavo F. Padovan rcu_read_lock(); 704bf4c6325SGustavo F. Padovan 705bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 706bf4c6325SGustavo F. Padovan if (c->handle == handle) { 707bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7081da177e4SLinus Torvalds return c; 7091da177e4SLinus Torvalds } 710bf4c6325SGustavo F. Padovan } 711bf4c6325SGustavo F. Padovan rcu_read_unlock(); 712bf4c6325SGustavo F. Padovan 7131da177e4SLinus Torvalds return NULL; 7141da177e4SLinus Torvalds } 7151da177e4SLinus Torvalds 7161da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 7171da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 7181da177e4SLinus Torvalds { 7191da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7201da177e4SLinus Torvalds struct hci_conn *c; 7211da177e4SLinus Torvalds 722bf4c6325SGustavo F. Padovan rcu_read_lock(); 723bf4c6325SGustavo F. Padovan 724bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 725bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 726bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7271da177e4SLinus Torvalds return c; 7281da177e4SLinus Torvalds } 729bf4c6325SGustavo F. Padovan } 730bf4c6325SGustavo F. Padovan 731bf4c6325SGustavo F. Padovan rcu_read_unlock(); 732bf4c6325SGustavo F. Padovan 7331da177e4SLinus Torvalds return NULL; 7341da177e4SLinus Torvalds } 7351da177e4SLinus Torvalds 7364c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 7374c67bc74SMarcel Holtmann __u8 type, __u16 state) 7384c67bc74SMarcel Holtmann { 7394c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 7404c67bc74SMarcel Holtmann struct hci_conn *c; 7414c67bc74SMarcel Holtmann 742bf4c6325SGustavo F. Padovan rcu_read_lock(); 743bf4c6325SGustavo F. Padovan 744bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 745bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 746bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7474c67bc74SMarcel Holtmann return c; 7484c67bc74SMarcel Holtmann } 749bf4c6325SGustavo F. Padovan } 750bf4c6325SGustavo F. Padovan 751bf4c6325SGustavo F. Padovan rcu_read_unlock(); 752bf4c6325SGustavo F. Padovan 7534c67bc74SMarcel Holtmann return NULL; 7544c67bc74SMarcel Holtmann } 7554c67bc74SMarcel Holtmann 756e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 7572dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 758e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 7591da177e4SLinus Torvalds 760a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 761a5c4e309SJohan Hedberg u8 role); 7621da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 7631da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 764a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 7651da177e4SLinus Torvalds 76673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 7679472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 7682c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 76942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 77073d80debSLuiz Augusto von Dentz 77104a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 772cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 773e804d25dSJohan Hedberg u8 role); 77404a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 77504a6c589SAndre Guedes u8 sec_level, u8 auth_type); 77610c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 77710c62ddcSFrédéric Dalleau __u16 setting); 778e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 779b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 780e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 781e7cafc45SJohan Hedberg bool initiator); 7821da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 7838c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 7841da177e4SLinus Torvalds 78514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 7861da177e4SLinus Torvalds 78706c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 78806c053fbSAndre Guedes 7898d12356fSDavid Herrmann /* 7908d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 7918d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 7928d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 7938d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 7948d12356fSDavid Herrmann * other constant data. 7958d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 7968d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 7978d12356fSDavid Herrmann * get dropped, though. 7988d12356fSDavid Herrmann * 7998d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 8008d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 8018d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 8028d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 8038d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 8048d12356fSDavid Herrmann * hci_conn_add()). 8058d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 8068d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 8078d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 8088d12356fSDavid Herrmann */ 8098d12356fSDavid Herrmann 81051bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 8118d12356fSDavid Herrmann { 8128d12356fSDavid Herrmann get_device(&conn->dev); 81351bb8457SJohan Hedberg return conn; 8148d12356fSDavid Herrmann } 8158d12356fSDavid Herrmann 8168d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 8178d12356fSDavid Herrmann { 8188d12356fSDavid Herrmann put_device(&conn->dev); 8198d12356fSDavid Herrmann } 8208d12356fSDavid Herrmann 8211da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 8221da177e4SLinus Torvalds { 82371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 82438b3fef1SAndrei Emeltchenko 8251da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 8262f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds 82976a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 8301da177e4SLinus Torvalds { 83171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 83238b3fef1SAndrei Emeltchenko 8331da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 83404837f64SMarcel Holtmann unsigned long timeo; 835716e4ab5SAndrei Emeltchenko 836716e4ab5SAndrei Emeltchenko switch (conn->type) { 837716e4ab5SAndrei Emeltchenko case ACL_LINK: 838716e4ab5SAndrei Emeltchenko case LE_LINK: 839a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 8406ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 8415f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 84204837f64SMarcel Holtmann if (!conn->out) 843052b30b0SMarcel Holtmann timeo *= 2; 8445a9d0a3fSWaldemar Rymarkiewicz } else { 845eb78d7e5SJohan Hedberg timeo = 0; 8465a9d0a3fSWaldemar Rymarkiewicz } 847716e4ab5SAndrei Emeltchenko break; 848716e4ab5SAndrei Emeltchenko 849716e4ab5SAndrei Emeltchenko case AMP_LINK: 850716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 851716e4ab5SAndrei Emeltchenko break; 852716e4ab5SAndrei Emeltchenko 853716e4ab5SAndrei Emeltchenko default: 854eb78d7e5SJohan Hedberg timeo = 0; 855716e4ab5SAndrei Emeltchenko break; 8565a9d0a3fSWaldemar Rymarkiewicz } 857716e4ab5SAndrei Emeltchenko 8582f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 85919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 8601931782bSVinicius Costa Gomes &conn->disc_work, timeo); 8611da177e4SLinus Torvalds } 8621da177e4SLinus Torvalds } 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 865dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 8661da177e4SLinus Torvalds { 867376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 868376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 869376261aeSAndrei Emeltchenko 8704c724c71SDavid Herrmann put_device(&d->dev); 871010666a1SDavid Herrmann } 8721da177e4SLinus Torvalds 873dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 8741da177e4SLinus Torvalds { 875376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 876376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 877376261aeSAndrei Emeltchenko 8784c724c71SDavid Herrmann get_device(&d->dev); 8791da177e4SLinus Torvalds return d; 8801da177e4SLinus Torvalds } 8811da177e4SLinus Torvalds 88209fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 88309fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 8841da177e4SLinus Torvalds 885aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 8863dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 887aa2b86d7SDavid Herrmann 888155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 889155961e8SDavid Herrmann { 890155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 891155961e8SDavid Herrmann } 892155961e8SDavid Herrmann 893155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 894155961e8SDavid Herrmann { 895155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 896155961e8SDavid Herrmann } 897155961e8SDavid Herrmann 8981da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 8990c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 9001da177e4SLinus Torvalds 9011da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 9021da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 9031da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 90459735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 9051da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 9061da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 90775e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 9081da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 9091da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 9101da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 9111da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 9121da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 9131da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 9141da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 9151da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 9161da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 91740be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 9181da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 9191da177e4SLinus Torvalds 920dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 921b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 922dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 923dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 924dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 925d2ab0ac1SMarcel Holtmann 92615819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 92715819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 92851d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 92951d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 93015819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 931373110c5SJohan Hedberg void hci_conn_params_clear_all(struct hci_dev *hdev); 93255af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 93315819a70SAndre Guedes 934501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 935501f8827SJohan Hedberg bdaddr_t *addr, 936501f8827SJohan Hedberg u8 addr_type); 93777a77a30SAndre Guedes 93835f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 9392aeb9a1aSJohan Hedberg 94035f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 94155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 942567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 9437652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 9447652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 945ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 94635d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 947fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 948f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 949e804d25dSJohan Hedberg u8 addr_type, u8 role); 950e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 95135f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 95255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 95355ed8ca1SJohan Hedberg 954970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 955970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 956970c4e46SJohan Hedberg u8 addr_type); 957ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 958ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 959a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 960970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 961970c4e46SJohan Hedberg 96235f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 9632763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 9646928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 9650798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 9666928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 96738da1703SJohan Hedberg u8 *hash256, u8 *rand256); 9686928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 9696928a924SJohan Hedberg u8 bdaddr_type); 9702763eda6SSzymon Janc 9711da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 9721da177e4SLinus Torvalds 973e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 97499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 975ef222013SMarcel Holtmann 9760ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 977a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 978b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 979b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 9801da177e4SLinus Torvalds 9816935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 9821da177e4SLinus Torvalds 9831da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 984cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 985cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 986cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 987cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 988cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 989cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 990cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 991cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 992cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 993cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 994cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 995cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 996cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 997cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 998cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 999cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1000cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1001cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 100207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 10031da177e4SLinus Torvalds 1004eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 100553b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 100653b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 100753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 100853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1009d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1010d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 101153b834d2SMarcel Holtmann 101253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1013cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1014d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1015cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1016cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1017eead27daSAndre Guedes 1018432df05eSJohan Hedberg #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \ 1019432df05eSJohan Hedberg !test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) 1020710f11c0SJohan Hedberg #define bredr_sc_enabled(dev) ((lmp_sc_capable(dev) || \ 1021710f11c0SJohan Hedberg test_bit(HCI_FORCE_SC, &(dev)->dbg_flags)) && \ 1022710f11c0SJohan Hedberg test_bit(HCI_SC_ENABLED, &(dev)->dev_flags)) 1023432df05eSJohan Hedberg 10241da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 102520714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 102620714bfeSFrédéric Dalleau 10275a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 102820714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 10291da177e4SLinus Torvalds { 1030686ebf28SUlisses Furquim switch (type) { 1031686ebf28SUlisses Furquim case ACL_LINK: 1032686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 10331da177e4SLinus Torvalds 1034686ebf28SUlisses Furquim case SCO_LINK: 1035686ebf28SUlisses Furquim case ESCO_LINK: 103620714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 10371da177e4SLinus Torvalds 1038686ebf28SUlisses Furquim default: 1039686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1040686ebf28SUlisses Furquim return -EINVAL; 1041686ebf28SUlisses Furquim } 10421da177e4SLinus Torvalds } 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 10451da177e4SLinus Torvalds { 1046686ebf28SUlisses Furquim switch (conn->type) { 1047686ebf28SUlisses Furquim case ACL_LINK: 1048686ebf28SUlisses Furquim case LE_LINK: 1049686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 1050686ebf28SUlisses Furquim break; 10511da177e4SLinus Torvalds 1052686ebf28SUlisses Furquim case SCO_LINK: 1053686ebf28SUlisses Furquim case ESCO_LINK: 1054686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 1055686ebf28SUlisses Furquim break; 10561da177e4SLinus Torvalds 1057686ebf28SUlisses Furquim default: 1058686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 1059686ebf28SUlisses Furquim break; 1060686ebf28SUlisses Furquim } 1061e9a416b5SJohan Hedberg 1062e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 1063e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 10641da177e4SLinus Torvalds } 10651da177e4SLinus Torvalds 10662950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 10672950f21aSMarcel Holtmann { 1068686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1069686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 10702950f21aSMarcel Holtmann 1071686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 10722950f21aSMarcel Holtmann } 10732950f21aSMarcel Holtmann 10742950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 10751da177e4SLinus Torvalds { 1076686ebf28SUlisses Furquim switch (conn->type) { 1077686ebf28SUlisses Furquim case ACL_LINK: 1078686ebf28SUlisses Furquim case LE_LINK: 1079686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 1080686ebf28SUlisses Furquim break; 10811da177e4SLinus Torvalds 1082686ebf28SUlisses Furquim case SCO_LINK: 1083686ebf28SUlisses Furquim case ESCO_LINK: 1084686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 1085686ebf28SUlisses Furquim break; 10861da177e4SLinus Torvalds 1087bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 1088bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1089bd1eb66bSAndrei Emeltchenko break; 1090bd1eb66bSAndrei Emeltchenko 1091686ebf28SUlisses Furquim default: 1092686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 1093686ebf28SUlisses Furquim break; 1094686ebf28SUlisses Furquim } 1095e9a416b5SJohan Hedberg 1096e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 1097e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 10981da177e4SLinus Torvalds } 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 11011da177e4SLinus Torvalds { 11028c1b2355SMarcel Holtmann __u8 encrypt; 11038c1b2355SMarcel Holtmann 1104686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1105686ebf28SUlisses Furquim return; 1106686ebf28SUlisses Furquim 110751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 11088c1b2355SMarcel Holtmann return; 11098c1b2355SMarcel Holtmann 11104dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 1111686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1112e9a416b5SJohan Hedberg 1113e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1114e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 11151da177e4SLinus Torvalds } 11161da177e4SLinus Torvalds 11175a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 11185a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 11191da177e4SLinus Torvalds { 1120686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1121686ebf28SUlisses Furquim return; 11221da177e4SLinus Torvalds 1123686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1124e9a416b5SJohan Hedberg 1125e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1126e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 11271da177e4SLinus Torvalds } 11281da177e4SLinus Torvalds 11291da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 11301da177e4SLinus Torvalds struct hci_cb { 11311da177e4SLinus Torvalds struct list_head list; 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvalds char *name; 11341da177e4SLinus Torvalds 11355a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 11365a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 11371da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 11381da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 11391da177e4SLinus Torvalds }; 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 11421da177e4SLinus Torvalds { 1143711584eaSDenis Kirjanov struct hci_cb *cb; 11448c1b2355SMarcel Holtmann __u8 encrypt; 11451da177e4SLinus Torvalds 11461da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 11471da177e4SLinus Torvalds 114851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 11498c1b2355SMarcel Holtmann return; 11508c1b2355SMarcel Holtmann 11514dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 11528c1b2355SMarcel Holtmann 1153f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1154711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11558c1b2355SMarcel Holtmann if (cb->security_cfm) 11568c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11571da177e4SLinus Torvalds } 1158f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11591da177e4SLinus Torvalds } 11601da177e4SLinus Torvalds 11615a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 11625a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 11631da177e4SLinus Torvalds { 1164711584eaSDenis Kirjanov struct hci_cb *cb; 11651da177e4SLinus Torvalds 1166435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1167435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1168435fef20SMarcel Holtmann 116988167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 117088167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 117188167aedSVinicius Costa Gomes 11729719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 11731da177e4SLinus Torvalds 1174f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1175711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11768c1b2355SMarcel Holtmann if (cb->security_cfm) 11778c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11781da177e4SLinus Torvalds } 1179f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11801da177e4SLinus Torvalds } 11811da177e4SLinus Torvalds 11821da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 11831da177e4SLinus Torvalds { 1184711584eaSDenis Kirjanov struct hci_cb *cb; 11851da177e4SLinus Torvalds 1186f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1187711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11881da177e4SLinus Torvalds if (cb->key_change_cfm) 11891da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 11901da177e4SLinus Torvalds } 1191f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11921da177e4SLinus Torvalds } 11931da177e4SLinus Torvalds 11945a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 11955a9d0a3fSWaldemar Rymarkiewicz __u8 role) 11961da177e4SLinus Torvalds { 1197711584eaSDenis Kirjanov struct hci_cb *cb; 11981da177e4SLinus Torvalds 1199f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1200711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12011da177e4SLinus Torvalds if (cb->role_switch_cfm) 12021da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 12031da177e4SLinus Torvalds } 1204f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 12051da177e4SLinus Torvalds } 12061da177e4SLinus Torvalds 12076759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 12086759a675SJohan Hedberg { 120984d9d071SJohan Hedberg size_t parsed = 0; 12106759a675SJohan Hedberg 12116c0c331eSJohan Hedberg if (data_len < 2) 12126c0c331eSJohan Hedberg return false; 12136c0c331eSJohan Hedberg 121484d9d071SJohan Hedberg while (parsed < data_len - 1) { 121584d9d071SJohan Hedberg u8 field_len = data[0]; 12166759a675SJohan Hedberg 12176759a675SJohan Hedberg if (field_len == 0) 12186759a675SJohan Hedberg break; 12196759a675SJohan Hedberg 12206759a675SJohan Hedberg parsed += field_len + 1; 12216759a675SJohan Hedberg 12226759a675SJohan Hedberg if (parsed > data_len) 12236759a675SJohan Hedberg break; 12246759a675SJohan Hedberg 12256759a675SJohan Hedberg if (data[1] == type) 12266759a675SJohan Hedberg return true; 12276759a675SJohan Hedberg 12286759a675SJohan Hedberg data += field_len + 1; 12296759a675SJohan Hedberg } 12306759a675SJohan Hedberg 12316759a675SJohan Hedberg return false; 12326759a675SJohan Hedberg } 12336759a675SJohan Hedberg 1234301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1235301cb2d8SJohan Hedberg { 1236dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1237301cb2d8SJohan Hedberg return false; 1238301cb2d8SJohan Hedberg 1239301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1240301cb2d8SJohan Hedberg return true; 1241301cb2d8SJohan Hedberg 1242301cb2d8SJohan Hedberg return false; 1243301cb2d8SJohan Hedberg } 1244301cb2d8SJohan Hedberg 1245c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1246c46245b3SJohan Hedberg { 1247c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1248c46245b3SJohan Hedberg return true; 1249c46245b3SJohan Hedberg 1250c46245b3SJohan Hedberg /* Check for Random Static address type */ 1251c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1252c46245b3SJohan Hedberg return true; 1253c46245b3SJohan Hedberg 1254c46245b3SJohan Hedberg return false; 1255c46245b3SJohan Hedberg } 1256c46245b3SJohan Hedberg 12572426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 12582426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 12592426f3a5SJohan Hedberg { 12602426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 12612426f3a5SJohan Hedberg return NULL; 12622426f3a5SJohan Hedberg 12632426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 12642426f3a5SJohan Hedberg } 12652426f3a5SJohan Hedberg 1266d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1267d4905f24SAndre Guedes u16 to_multiplier) 1268d4905f24SAndre Guedes { 1269d4905f24SAndre Guedes u16 max_latency; 1270d4905f24SAndre Guedes 1271d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1272d4905f24SAndre Guedes return -EINVAL; 1273d4905f24SAndre Guedes 1274d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1275d4905f24SAndre Guedes return -EINVAL; 1276d4905f24SAndre Guedes 1277d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1278d4905f24SAndre Guedes return -EINVAL; 1279d4905f24SAndre Guedes 1280d4905f24SAndre Guedes max_latency = (to_multiplier * 8 / max) - 1; 1281d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1282d4905f24SAndre Guedes return -EINVAL; 1283d4905f24SAndre Guedes 1284d4905f24SAndre Guedes return 0; 1285d4905f24SAndre Guedes } 1286d4905f24SAndre Guedes 12871da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 12881da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 12891da177e4SLinus Torvalds 1290899de765SMarcel Holtmann bool hci_req_pending(struct hci_dev *hdev); 12913119ae95SJohan Hedberg 129275e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 129307dc93ddSJohan Hedberg const void *param, u32 timeout); 12947b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 129507dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 129675e84b7cSJohan Hedberg 129707dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 129807dc93ddSJohan Hedberg const void *param); 129973d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 13000d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 13011da177e4SLinus Torvalds 1302a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1305470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1306470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1307cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 13081da177e4SLinus Torvalds 1309040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1310040030efSMarcel Holtmann 13110381101fSJohan Hedberg /* Management interface */ 1312591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1313591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1314591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1315591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1316591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1317591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1318f39799f5SAndre Guedes 13190d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 13200d8cc935SAndre Guedes * Discovery Procedure specification. 13210d8cc935SAndre Guedes */ 13220d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 13230d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 13243d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1325ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 13260d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 13270d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 13280d8cc935SAndre Guedes 13290381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 133091a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1331bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1332bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 13333eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1334744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1335bc6d2d04SJohan Hedberg int mgmt_update_adv_data(struct hci_dev *hdev); 1336d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 1337dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1338745c0ce3SVishal Agarwal bool persistent); 133948ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 134048ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 13419b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 134212d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 134312d4a3b2SJohan Hedberg bool mgmt_connected); 13447892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 134588c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1346445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 134748264f06SJohan Hedberg u8 addr_type, u8 status); 1348ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1349e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1350c35938b2SSzymon Janc u8 status); 13513eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1352744cf19eSJohan Hedberg u8 status); 1353744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 135439adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1355272d90dfSJohan Hedberg u8 confirm_hint); 1356744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1357272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1358272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1359272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1360272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1361272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1362604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1363272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1364272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1365272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 136692a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 136792a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 136892a25256SJohan Hedberg u8 entered); 1369e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1370464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 13713e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1372eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 13734e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 13747f9a903cSMarcel Holtmann u8 status); 13757667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 13764d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 137738da1703SJohan Hedberg u8 *rand192, u8 *hash256, u8 *rand256, 137838da1703SJohan Hedberg u8 status); 1379901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1380af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1381af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 13829cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1383b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 13842f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 138584c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 138653ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 138795fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 138853ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 138953ac6ab6SMarcel Holtmann bool persistent); 1390ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1391f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1392f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 13935976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1394f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1395346af67bSVinicius Costa Gomes 13967d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 13977d6ca693SJohan Hedberg u16 to_multiplier); 1398fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 1399a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 14002519a1fcSAndre Guedes 1401a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1402a1f4c318SJohan Hedberg u8 *bdaddr_type); 1403ebd3a747SJohan Hedberg 14045d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 14055d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 14065d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 14075d4d62f6SFrédéric Dalleau 14081da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1409