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; 781da177e4SLinus Torvalds }; 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds struct hci_conn_hash { 811da177e4SLinus Torvalds struct list_head list; 821da177e4SLinus Torvalds unsigned int acl_num; 83bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 841da177e4SLinus Torvalds unsigned int sco_num; 85fcd89c09SVille Tervo unsigned int le_num; 86f8218dc6SJohan Hedberg unsigned int le_num_slave; 871da177e4SLinus Torvalds }; 881da177e4SLinus Torvalds 89f0358568SJohan Hedberg struct bdaddr_list { 90f0358568SJohan Hedberg struct list_head list; 91f0358568SJohan Hedberg bdaddr_t bdaddr; 92b9ee0a78SMarcel Holtmann u8 bdaddr_type; 93f0358568SJohan Hedberg }; 942aeb9a1aSJohan Hedberg 952aeb9a1aSJohan Hedberg struct bt_uuid { 962aeb9a1aSJohan Hedberg struct list_head list; 972aeb9a1aSJohan Hedberg u8 uuid[16]; 9883be8ecaSJohan Hedberg u8 size; 991aff6f09SJohan Hedberg u8 svc_hint; 1002aeb9a1aSJohan Hedberg }; 1012aeb9a1aSJohan Hedberg 1027ee4ea36SMarcel Holtmann struct smp_csrk { 1037ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1047ee4ea36SMarcel Holtmann u8 bdaddr_type; 1057ee4ea36SMarcel Holtmann u8 master; 1067ee4ea36SMarcel Holtmann u8 val[16]; 1077ee4ea36SMarcel Holtmann }; 1087ee4ea36SMarcel Holtmann 109b899efafSVinicius Costa Gomes struct smp_ltk { 110b899efafSVinicius Costa Gomes struct list_head list; 111b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 112b899efafSVinicius Costa Gomes u8 bdaddr_type; 113b899efafSVinicius Costa Gomes u8 authenticated; 114b899efafSVinicius Costa Gomes u8 type; 115b899efafSVinicius Costa Gomes u8 enc_size; 116b899efafSVinicius Costa Gomes __le16 ediv; 117fe39c7b2SMarcel Holtmann __le64 rand; 118b899efafSVinicius Costa Gomes u8 val[16]; 11903c515d7SMarcel Holtmann }; 120b899efafSVinicius Costa Gomes 121970c4e46SJohan Hedberg struct smp_irk { 122970c4e46SJohan Hedberg struct list_head list; 123970c4e46SJohan Hedberg bdaddr_t rpa; 124970c4e46SJohan Hedberg bdaddr_t bdaddr; 125970c4e46SJohan Hedberg u8 addr_type; 126970c4e46SJohan Hedberg u8 val[16]; 127970c4e46SJohan Hedberg }; 128970c4e46SJohan Hedberg 12955ed8ca1SJohan Hedberg struct link_key { 13055ed8ca1SJohan Hedberg struct list_head list; 13155ed8ca1SJohan Hedberg bdaddr_t bdaddr; 13255ed8ca1SJohan Hedberg u8 type; 1339b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 13455ed8ca1SJohan Hedberg u8 pin_len; 13555ed8ca1SJohan Hedberg }; 13655ed8ca1SJohan Hedberg 1372763eda6SSzymon Janc struct oob_data { 1382763eda6SSzymon Janc struct list_head list; 1392763eda6SSzymon Janc bdaddr_t bdaddr; 140519ca9d0SMarcel Holtmann u8 hash192[16]; 141519ca9d0SMarcel Holtmann u8 randomizer192[16]; 142519ca9d0SMarcel Holtmann u8 hash256[16]; 143519ca9d0SMarcel Holtmann u8 randomizer256[16]; 1442763eda6SSzymon Janc }; 1452763eda6SSzymon Janc 146490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 147490c5babSJohan Hedberg 148d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 149d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 150d6bfd59cSJohan Hedberg 15131ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 15231ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 15331ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 15431ad1691SAndrzej Kaczmarek 155903e4541SAndrei Emeltchenko struct amp_assoc { 156903e4541SAndrei Emeltchenko __u16 len; 157903e4541SAndrei Emeltchenko __u16 offset; 15893c284eeSAndrei Emeltchenko __u16 rem_len; 15993c284eeSAndrei Emeltchenko __u16 len_so_far; 160903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 161903e4541SAndrei Emeltchenko }; 162903e4541SAndrei Emeltchenko 163d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 164cad718edSJohan Hedberg 165cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1661da177e4SLinus Torvalds struct hci_dev { 1671da177e4SLinus Torvalds struct list_head list; 16809fd0de5SGustavo F. Padovan struct mutex lock; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds char name[8]; 1711da177e4SLinus Torvalds unsigned long flags; 1721da177e4SLinus Torvalds __u16 id; 173c13854ceSMarcel Holtmann __u8 bus; 174943da25dSMarcel Holtmann __u8 dev_type; 1751da177e4SLinus Torvalds bdaddr_t bdaddr; 176e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 17724c457e2SMarcel Holtmann bdaddr_t public_addr; 1787a4cd51dSMarcel Holtmann bdaddr_t random_addr; 179d13eafceSMarcel Holtmann bdaddr_t static_addr; 18056ed2cb8SJohan Hedberg __u8 adv_addr_type; 1811f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 182490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 18380a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 184a9de9248SMarcel Holtmann __u8 dev_class[3]; 1851aff6f09SJohan Hedberg __u8 major_class; 1861aff6f09SJohan Hedberg __u8 minor_class; 187d2c5d77fSJohan Hedberg __u8 max_page; 188cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 18960e77321SJohan Hedberg __u8 le_features[8]; 190cf1d081fSJohan Hedberg __u8 le_white_list_size; 1919b008c04SJohan Hedberg __u8 le_states[8]; 192a9de9248SMarcel Holtmann __u8 commands[64]; 1931143e5a6SMarcel Holtmann __u8 hci_ver; 1941143e5a6SMarcel Holtmann __u16 hci_rev; 195d5859e22SJohan Hedberg __u8 lmp_ver; 1961143e5a6SMarcel Holtmann __u16 manufacturer; 1977d69230cSAndrei Emeltchenko __u16 lmp_subver; 1981da177e4SLinus Torvalds __u16 voice_setting; 199b4cb9fb2SMarcel Holtmann __u8 num_iac; 20017fa4b9dSJohan Hedberg __u8 io_capability; 20191c4e9b1SMarcel Holtmann __s8 inq_tx_power; 202f332ec66SJohan Hedberg __u16 page_scan_interval; 203f332ec66SJohan Hedberg __u16 page_scan_window; 204f332ec66SJohan Hedberg __u8 page_scan_type; 2053f959d46SMarcel Holtmann __u8 le_adv_channel_map; 206533553f8SMarcel Holtmann __u8 le_scan_type; 207bef64738SMarcel Holtmann __u16 le_scan_interval; 208bef64738SMarcel Holtmann __u16 le_scan_window; 2094e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2104e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 21104fb7d90SMarcel Holtmann __u16 le_conn_latency; 21204fb7d90SMarcel Holtmann __u16 le_supv_timeout; 213b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 21431ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 21531ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 21606f5b778SMarcel Holtmann __u8 ssp_debug_mode; 21733f35721SJohan Hedberg __u32 clock; 218f332ec66SJohan Hedberg 2192b9be137SMarcel Holtmann __u16 devid_source; 2202b9be137SMarcel Holtmann __u16 devid_vendor; 2212b9be137SMarcel Holtmann __u16 devid_product; 2222b9be137SMarcel Holtmann __u16 devid_version; 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds __u16 pkt_type; 2255b7f9909SMarcel Holtmann __u16 esco_type; 2261da177e4SLinus Torvalds __u16 link_policy; 2271da177e4SLinus Torvalds __u16 link_mode; 2281da177e4SLinus Torvalds 22904837f64SMarcel Holtmann __u32 idle_timeout; 23004837f64SMarcel Holtmann __u16 sniff_min_interval; 23104837f64SMarcel Holtmann __u16 sniff_max_interval; 23204837f64SMarcel Holtmann 233928abaa7SAndrei Emeltchenko __u8 amp_status; 234928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 235928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 236928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 237928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 238928abaa7SAndrei Emeltchenko __u8 amp_type; 239928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 240928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 241928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 242928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 243928abaa7SAndrei Emeltchenko 244903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 245903e4541SAndrei Emeltchenko 2461e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2471e89cffbSAndrei Emeltchenko 2489f61656aSJohan Hedberg unsigned int auto_accept_delay; 2499f61656aSJohan Hedberg 2501da177e4SLinus Torvalds unsigned long quirks; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds atomic_t cmd_cnt; 2531da177e4SLinus Torvalds unsigned int acl_cnt; 2541da177e4SLinus Torvalds unsigned int sco_cnt; 2556ed58ec5SVille Tervo unsigned int le_cnt; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds unsigned int acl_mtu; 2581da177e4SLinus Torvalds unsigned int sco_mtu; 2596ed58ec5SVille Tervo unsigned int le_mtu; 2601da177e4SLinus Torvalds unsigned int acl_pkts; 2611da177e4SLinus Torvalds unsigned int sco_pkts; 2626ed58ec5SVille Tervo unsigned int le_pkts; 2631da177e4SLinus Torvalds 264350ee4cfSAndrei Emeltchenko __u16 block_len; 265350ee4cfSAndrei Emeltchenko __u16 block_mtu; 266350ee4cfSAndrei Emeltchenko __u16 num_blocks; 267350ee4cfSAndrei Emeltchenko __u16 block_cnt; 268350ee4cfSAndrei Emeltchenko 2691da177e4SLinus Torvalds unsigned long acl_last_tx; 2701da177e4SLinus Torvalds unsigned long sco_last_tx; 2716ed58ec5SVille Tervo unsigned long le_last_tx; 2721da177e4SLinus Torvalds 273f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2746ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 275f48fd9c8SMarcel Holtmann 276ab81cbf9SJohan Hedberg struct work_struct power_on; 2773243553fSJohan Hedberg struct delayed_work power_off; 278ab81cbf9SJohan Hedberg 27916ab91abSJohan Hedberg __u16 discov_timeout; 28016ab91abSJohan Hedberg struct delayed_work discov_off; 28116ab91abSJohan Hedberg 2827d78525dSJohan Hedberg struct delayed_work service_cache; 2837d78525dSJohan Hedberg 28465cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 285b78752ccSMarcel Holtmann 286b78752ccSMarcel Holtmann struct work_struct rx_work; 287c347b765SGustavo F. Padovan struct work_struct cmd_work; 2883eff45eaSGustavo F. Padovan struct work_struct tx_work; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds struct sk_buff_head rx_q; 2911da177e4SLinus Torvalds struct sk_buff_head raw_q; 2921da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2931da177e4SLinus Torvalds 294b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2951da177e4SLinus Torvalds struct sk_buff *sent_cmd; 296cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2971da177e4SLinus Torvalds 298a6a67efdSThomas Gleixner struct mutex req_lock; 2991da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3001da177e4SLinus Torvalds __u32 req_status; 3011da177e4SLinus Torvalds __u32 req_result; 302a5040efaSJohan Hedberg 30399780a7bSJohan Hedberg struct crypto_blkcipher *tfm_aes; 3042e58ef3eSJohan Hedberg 30530883512SJohan Hedberg struct discovery_state discovery; 3061da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3075c136e90SAndre Guedes 3085c136e90SAndre Guedes struct list_head mgmt_pending; 309ea4bd8baSDavid Miller struct list_head blacklist; 3106659358eSJohan Hedberg struct list_head whitelist; 3112aeb9a1aSJohan Hedberg struct list_head uuids; 31255ed8ca1SJohan Hedberg struct list_head link_keys; 313b899efafSVinicius Costa Gomes struct list_head long_term_keys; 314970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3152763eda6SSzymon Janc struct list_head remote_oob_data; 316d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 31715819a70SAndre Guedes struct list_head le_conn_params; 31877a77a30SAndre Guedes struct list_head pend_le_conns; 31966f8455aSJohan Hedberg struct list_head pend_le_reports; 3202763eda6SSzymon Janc 3211da177e4SLinus Torvalds struct hci_dev_stats stat; 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds atomic_t promisc; 3241da177e4SLinus Torvalds 325ca325f69SMarcel Holtmann struct dentry *debugfs; 326ca325f69SMarcel Holtmann 327a91f2e39SMarcel Holtmann struct device dev; 3281da177e4SLinus Torvalds 329611b30f7SMarcel Holtmann struct rfkill *rfkill; 330611b30f7SMarcel Holtmann 331111902f7SMarcel Holtmann unsigned long dbg_flags; 332d23264a8SAndre Guedes unsigned long dev_flags; 333d23264a8SAndre Guedes 3347ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 3357ba8b4beSAndre Guedes 3368fa19098SJohan Hedberg __s8 adv_tx_power; 3373f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3383f0f524bSJohan Hedberg __u8 adv_data_len; 339f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 340f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3418fa19098SJohan Hedberg 342863efaf2SJohan Hedberg __u8 irk[16]; 343d6bfd59cSJohan Hedberg __u32 rpa_timeout; 344d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3452b5224dcSMarcel Holtmann bdaddr_t rpa; 346863efaf2SJohan Hedberg 3471da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3481da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3491da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 350f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 3517bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3521da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 35324c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 3541da177e4SLinus Torvalds }; 3551da177e4SLinus Torvalds 35653502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 35753502d69SAndrei Emeltchenko 3581da177e4SLinus Torvalds struct hci_conn { 3591da177e4SLinus Torvalds struct list_head list; 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds atomic_t refcnt; 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds bdaddr_t dst; 36429b7988aSAndre Guedes __u8 dst_type; 365662e8820SMarcel Holtmann bdaddr_t src; 366e7c4096eSMarcel Holtmann __u8 src_type; 367cb1d68f7SJohan Hedberg bdaddr_t init_addr; 368cb1d68f7SJohan Hedberg __u8 init_addr_type; 369cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 370cb1d68f7SJohan Hedberg __u8 resp_addr_type; 3711da177e4SLinus Torvalds __u16 handle; 3721da177e4SLinus Torvalds __u16 state; 37304837f64SMarcel Holtmann __u8 mode; 3741da177e4SLinus Torvalds __u8 type; 37540bef302SJohan Hedberg __u8 role; 376a0c808b3SJohan Hedberg bool out; 3774c67bc74SMarcel Holtmann __u8 attempt; 3781da177e4SLinus Torvalds __u8 dev_class[3]; 379cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 380a8746417SMarcel Holtmann __u16 pkt_type; 38104837f64SMarcel Holtmann __u16 link_policy; 38213d39315SWaldemar Rymarkiewicz __u8 key_type; 38340be492fSMarcel Holtmann __u8 auth_type; 3848c1b2355SMarcel Holtmann __u8 sec_level; 385765c2a96SJohan Hedberg __u8 pending_sec_level; 386980e1a53SJohan Hedberg __u8 pin_length; 387726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 38817fa4b9dSJohan Hedberg __u8 io_capability; 38992a25256SJohan Hedberg __u32 passkey_notify; 39092a25256SJohan Hedberg __u8 passkey_entered; 391052b30b0SMarcel Holtmann __u16 disc_timeout; 39209ae260bSJohan Hedberg __u16 conn_timeout; 39310c62ddcSFrédéric Dalleau __u16 setting; 3941e406eefSAndre Guedes __u16 le_conn_min_interval; 3951e406eefSAndre Guedes __u16 le_conn_max_interval; 396e04fde60SMarcel Holtmann __u16 le_conn_interval; 397e04fde60SMarcel Holtmann __u16 le_conn_latency; 398e04fde60SMarcel Holtmann __u16 le_supv_timeout; 3995ae76a94SAndrzej Kaczmarek __s8 rssi; 4005a134faeSAndrzej Kaczmarek __s8 tx_power; 401d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 40251a8efd7SJohan Hedberg unsigned long flags; 4031da177e4SLinus Torvalds 40433f35721SJohan Hedberg __u32 clock; 40533f35721SJohan Hedberg __u16 clock_accuracy; 40633f35721SJohan Hedberg 407dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 408dd983808SAndrzej Kaczmarek 40903b555e1SJohan Hedberg __u8 remote_cap; 41003b555e1SJohan Hedberg __u8 remote_auth; 4113161ae1cSAndrei Emeltchenko __u8 remote_id; 41203b555e1SJohan Hedberg 4131da177e4SLinus Torvalds unsigned int sent; 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds struct sk_buff_head data_q; 4162c33c06aSGustavo F. Padovan struct list_head chan_list; 4171da177e4SLinus Torvalds 41819c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4197bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 420a74a84f6SJohan Hedberg struct delayed_work idle_work; 4219489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4221da177e4SLinus Torvalds 423b219e3acSMarcel Holtmann struct device dev; 424b219e3acSMarcel Holtmann 4251da177e4SLinus Torvalds struct hci_dev *hdev; 4261da177e4SLinus Torvalds void *l2cap_data; 4271da177e4SLinus Torvalds void *sco_data; 4289740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4291da177e4SLinus Torvalds 4301da177e4SLinus Torvalds struct hci_conn *link; 431e9a416b5SJohan Hedberg 432e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 433e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 434e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4351da177e4SLinus Torvalds }; 4361da177e4SLinus Torvalds 43773d80debSLuiz Augusto von Dentz struct hci_chan { 43873d80debSLuiz Augusto von Dentz struct list_head list; 43942c4e53eSAndrei Emeltchenko __u16 handle; 44073d80debSLuiz Augusto von Dentz struct hci_conn *conn; 44173d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 44273d80debSLuiz Augusto von Dentz unsigned int sent; 443168df8e5SMat Martineau __u8 state; 44473d80debSLuiz Augusto von Dentz }; 44573d80debSLuiz Augusto von Dentz 44615819a70SAndre Guedes struct hci_conn_params { 44715819a70SAndre Guedes struct list_head list; 44893450c75SJohan Hedberg struct list_head action; 44915819a70SAndre Guedes 45015819a70SAndre Guedes bdaddr_t addr; 45115819a70SAndre Guedes u8 addr_type; 45215819a70SAndre Guedes 45315819a70SAndre Guedes u16 conn_min_interval; 45415819a70SAndre Guedes u16 conn_max_interval; 455f044eb05SMarcel Holtmann u16 conn_latency; 456f044eb05SMarcel Holtmann u16 supervision_timeout; 4579fcb18efSAndre Guedes 4589fcb18efSAndre Guedes enum { 4599fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 460a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 4619fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 4629fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 4639fcb18efSAndre Guedes } auto_connect; 46415819a70SAndre Guedes }; 46515819a70SAndre Guedes 4661da177e4SLinus Torvalds extern struct list_head hci_dev_list; 4671da177e4SLinus Torvalds extern struct list_head hci_cb_list; 4681da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 4691da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 4701da177e4SLinus Torvalds 471686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 472e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 473e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 474e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 475e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 476e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 477e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 478686ebf28SUlisses Furquim 479e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 480e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 481e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 482e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 483686ebf28SUlisses Furquim 4841da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 48570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 48670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 4871da177e4SLinus Torvalds 48830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 4891da177e4SLinus Torvalds { 490ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 49130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 49230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 49330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4941da177e4SLinus Torvalds } 4951da177e4SLinus Torvalds 49630dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 49730dc78e1SJohan Hedberg 498ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 499ff9ef578SJohan Hedberg 5001da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 5011da177e4SLinus Torvalds { 50230883512SJohan Hedberg return list_empty(&hdev->discovery.all); 5031da177e4SLinus Torvalds } 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 5061da177e4SLinus Torvalds { 50730883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 5081da177e4SLinus Torvalds return jiffies - c->timestamp; 5091da177e4SLinus Torvalds } 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 5121da177e4SLinus Torvalds { 5131da177e4SLinus Torvalds return jiffies - e->timestamp; 5141da177e4SLinus Torvalds } 5151da177e4SLinus Torvalds 5165a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 5175a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 518561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 519561aafbcSJohan Hedberg bdaddr_t *bdaddr); 52030dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 52130dc78e1SJohan Hedberg bdaddr_t *bdaddr, 52230dc78e1SJohan Hedberg int state); 523a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 524a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 525af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 526af58925cSMarcel Holtmann bool name_known); 5271f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 5301da177e4SLinus Torvalds enum { 5311da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 53219f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 5331da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 53404837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 53504837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 536e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 537d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 538b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 53958a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 540eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 541abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 54258a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 54358a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 544af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 5454dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 5464dae2798SJohan Hedberg HCI_CONN_AUTH, 5474dae2798SJohan Hedberg HCI_CONN_SECURE, 5484dae2798SJohan Hedberg HCI_CONN_FIPS, 549fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 550977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 5511da177e4SLinus Torvalds }; 5521da177e4SLinus Torvalds 553aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 554aa64a8b5SJohan Hedberg { 555aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 556c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 557c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 558aa64a8b5SJohan Hedberg } 559aa64a8b5SJohan Hedberg 560eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 561eb9a8f3fSMarcel Holtmann { 562eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 563eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 564eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 565eb9a8f3fSMarcel Holtmann } 566eb9a8f3fSMarcel Holtmann 5671da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 5681da177e4SLinus Torvalds { 5691da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 570bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 571fcd89c09SVille Tervo switch (c->type) { 572fcd89c09SVille Tervo case ACL_LINK: 5731da177e4SLinus Torvalds h->acl_num++; 574fcd89c09SVille Tervo break; 575bd1eb66bSAndrei Emeltchenko case AMP_LINK: 576bd1eb66bSAndrei Emeltchenko h->amp_num++; 577bd1eb66bSAndrei Emeltchenko break; 578fcd89c09SVille Tervo case LE_LINK: 579fcd89c09SVille Tervo h->le_num++; 580f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 581f8218dc6SJohan Hedberg h->le_num_slave++; 582fcd89c09SVille Tervo break; 583fcd89c09SVille Tervo case SCO_LINK: 584fcd89c09SVille Tervo case ESCO_LINK: 5851da177e4SLinus Torvalds h->sco_num++; 586fcd89c09SVille Tervo break; 587fcd89c09SVille Tervo } 5881da177e4SLinus Torvalds } 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 5911da177e4SLinus Torvalds { 5921da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 593bf4c6325SGustavo F. Padovan 594bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 595bf4c6325SGustavo F. Padovan synchronize_rcu(); 596bf4c6325SGustavo F. Padovan 597fcd89c09SVille Tervo switch (c->type) { 598fcd89c09SVille Tervo case ACL_LINK: 5991da177e4SLinus Torvalds h->acl_num--; 600fcd89c09SVille Tervo break; 601bd1eb66bSAndrei Emeltchenko case AMP_LINK: 602bd1eb66bSAndrei Emeltchenko h->amp_num--; 603bd1eb66bSAndrei Emeltchenko break; 604fcd89c09SVille Tervo case LE_LINK: 605fcd89c09SVille Tervo h->le_num--; 606f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 607f8218dc6SJohan Hedberg h->le_num_slave--; 608fcd89c09SVille Tervo break; 609fcd89c09SVille Tervo case SCO_LINK: 610fcd89c09SVille Tervo case ESCO_LINK: 6111da177e4SLinus Torvalds h->sco_num--; 612fcd89c09SVille Tervo break; 613fcd89c09SVille Tervo } 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 61652087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 61752087a79SLuiz Augusto von Dentz { 61852087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 61952087a79SLuiz Augusto von Dentz switch (type) { 62052087a79SLuiz Augusto von Dentz case ACL_LINK: 62152087a79SLuiz Augusto von Dentz return h->acl_num; 622bd1eb66bSAndrei Emeltchenko case AMP_LINK: 623bd1eb66bSAndrei Emeltchenko return h->amp_num; 62452087a79SLuiz Augusto von Dentz case LE_LINK: 62552087a79SLuiz Augusto von Dentz return h->le_num; 62652087a79SLuiz Augusto von Dentz case SCO_LINK: 62752087a79SLuiz Augusto von Dentz case ESCO_LINK: 62852087a79SLuiz Augusto von Dentz return h->sco_num; 62952087a79SLuiz Augusto von Dentz default: 63052087a79SLuiz Augusto von Dentz return 0; 63152087a79SLuiz Augusto von Dentz } 63252087a79SLuiz Augusto von Dentz } 63352087a79SLuiz Augusto von Dentz 634f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 635f4f07505SJohan Hedberg { 636f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 637f4f07505SJohan Hedberg 638f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 639f4f07505SJohan Hedberg } 640f4f07505SJohan Hedberg 6411da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 6421da177e4SLinus Torvalds __u16 handle) 6431da177e4SLinus Torvalds { 6441da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 6451da177e4SLinus Torvalds struct hci_conn *c; 6461da177e4SLinus Torvalds 647bf4c6325SGustavo F. Padovan rcu_read_lock(); 648bf4c6325SGustavo F. Padovan 649bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 650bf4c6325SGustavo F. Padovan if (c->handle == handle) { 651bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6521da177e4SLinus Torvalds return c; 6531da177e4SLinus Torvalds } 654bf4c6325SGustavo F. Padovan } 655bf4c6325SGustavo F. Padovan rcu_read_unlock(); 656bf4c6325SGustavo F. Padovan 6571da177e4SLinus Torvalds return NULL; 6581da177e4SLinus Torvalds } 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 6611da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 6621da177e4SLinus Torvalds { 6631da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 6641da177e4SLinus Torvalds struct hci_conn *c; 6651da177e4SLinus Torvalds 666bf4c6325SGustavo F. Padovan rcu_read_lock(); 667bf4c6325SGustavo F. Padovan 668bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 669bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 670bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6711da177e4SLinus Torvalds return c; 6721da177e4SLinus Torvalds } 673bf4c6325SGustavo F. Padovan } 674bf4c6325SGustavo F. Padovan 675bf4c6325SGustavo F. Padovan rcu_read_unlock(); 676bf4c6325SGustavo F. Padovan 6771da177e4SLinus Torvalds return NULL; 6781da177e4SLinus Torvalds } 6791da177e4SLinus Torvalds 6804c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 6814c67bc74SMarcel Holtmann __u8 type, __u16 state) 6824c67bc74SMarcel Holtmann { 6834c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 6844c67bc74SMarcel Holtmann struct hci_conn *c; 6854c67bc74SMarcel Holtmann 686bf4c6325SGustavo F. Padovan rcu_read_lock(); 687bf4c6325SGustavo F. Padovan 688bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 689bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 690bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6914c67bc74SMarcel Holtmann return c; 6924c67bc74SMarcel Holtmann } 693bf4c6325SGustavo F. Padovan } 694bf4c6325SGustavo F. Padovan 695bf4c6325SGustavo F. Padovan rcu_read_unlock(); 696bf4c6325SGustavo F. Padovan 6974c67bc74SMarcel Holtmann return NULL; 6984c67bc74SMarcel Holtmann } 6994c67bc74SMarcel Holtmann 700bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 7012dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 702e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 7031da177e4SLinus Torvalds 704a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 705a5c4e309SJohan Hedberg u8 role); 7061da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 7071da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 708a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 7091da177e4SLinus Torvalds 71073d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 7119472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 7122c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 71342c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 71473d80debSLuiz Augusto von Dentz 71504a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 716cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 717e804d25dSJohan Hedberg u8 role); 71804a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 71904a6c589SAndre Guedes u8 sec_level, u8 auth_type); 72010c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 72110c62ddcSFrédéric Dalleau __u16 setting); 722e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 723b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 724e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 725e7cafc45SJohan Hedberg bool initiator); 7261da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 7278c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 7281da177e4SLinus Torvalds 72914b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 7301da177e4SLinus Torvalds 73106c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 73206c053fbSAndre Guedes 7338d12356fSDavid Herrmann /* 7348d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 7358d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 7368d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 7378d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 7388d12356fSDavid Herrmann * other constant data. 7398d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 7408d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 7418d12356fSDavid Herrmann * get dropped, though. 7428d12356fSDavid Herrmann * 7438d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 7448d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 7458d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 7468d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 7478d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 7488d12356fSDavid Herrmann * hci_conn_add()). 7498d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 7508d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 7518d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 7528d12356fSDavid Herrmann */ 7538d12356fSDavid Herrmann 7548d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 7558d12356fSDavid Herrmann { 7568d12356fSDavid Herrmann get_device(&conn->dev); 7578d12356fSDavid Herrmann } 7588d12356fSDavid Herrmann 7598d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 7608d12356fSDavid Herrmann { 7618d12356fSDavid Herrmann put_device(&conn->dev); 7628d12356fSDavid Herrmann } 7638d12356fSDavid Herrmann 7641da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 7651da177e4SLinus Torvalds { 76671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 76738b3fef1SAndrei Emeltchenko 7681da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 7692f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 7701da177e4SLinus Torvalds } 7711da177e4SLinus Torvalds 77276a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 7731da177e4SLinus Torvalds { 77471becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 77538b3fef1SAndrei Emeltchenko 7761da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 77704837f64SMarcel Holtmann unsigned long timeo; 778716e4ab5SAndrei Emeltchenko 779716e4ab5SAndrei Emeltchenko switch (conn->type) { 780716e4ab5SAndrei Emeltchenko case ACL_LINK: 781716e4ab5SAndrei Emeltchenko case LE_LINK: 782a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 7836ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 7845f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 78504837f64SMarcel Holtmann if (!conn->out) 786052b30b0SMarcel Holtmann timeo *= 2; 7875a9d0a3fSWaldemar Rymarkiewicz } else { 7886ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 7895a9d0a3fSWaldemar Rymarkiewicz } 790716e4ab5SAndrei Emeltchenko break; 791716e4ab5SAndrei Emeltchenko 792716e4ab5SAndrei Emeltchenko case AMP_LINK: 793716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 794716e4ab5SAndrei Emeltchenko break; 795716e4ab5SAndrei Emeltchenko 796716e4ab5SAndrei Emeltchenko default: 79704837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 798716e4ab5SAndrei Emeltchenko break; 7995a9d0a3fSWaldemar Rymarkiewicz } 800716e4ab5SAndrei Emeltchenko 8012f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 80219c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 8031931782bSVinicius Costa Gomes &conn->disc_work, timeo); 8041da177e4SLinus Torvalds } 8051da177e4SLinus Torvalds } 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 808dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 8091da177e4SLinus Torvalds { 810376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 811376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 812376261aeSAndrei Emeltchenko 8134c724c71SDavid Herrmann put_device(&d->dev); 814010666a1SDavid Herrmann } 8151da177e4SLinus Torvalds 816dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 8171da177e4SLinus Torvalds { 818376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 819376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 820376261aeSAndrei Emeltchenko 8214c724c71SDavid Herrmann get_device(&d->dev); 8221da177e4SLinus Torvalds return d; 8231da177e4SLinus Torvalds } 8241da177e4SLinus Torvalds 82509fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 82609fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 8271da177e4SLinus Torvalds 828aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 8293dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 830aa2b86d7SDavid Herrmann 831155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 832155961e8SDavid Herrmann { 833155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 834155961e8SDavid Herrmann } 835155961e8SDavid Herrmann 836155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 837155961e8SDavid Herrmann { 838155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 839155961e8SDavid Herrmann } 840155961e8SDavid Herrmann 8411da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 8420c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 8431da177e4SLinus Torvalds 8441da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 8451da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 8461da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 84759735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 8481da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 8491da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 8501da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 8511da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 8521da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 8531da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 8541da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 8551da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 8561da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 8571da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 8581da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 85940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 8601da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 8611da177e4SLinus Torvalds 862dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 863b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 864dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 865dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 866dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 867d2ab0ac1SMarcel Holtmann 86815819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 86915819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 87051d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 87151d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 872bf5b3c8bSMarcel Holtmann int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, 873d06b50ceSMarcel Holtmann u8 auto_connect); 87415819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 875373110c5SJohan Hedberg void hci_conn_params_clear_all(struct hci_dev *hdev); 87655af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 87715819a70SAndre Guedes 878501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 879501f8827SJohan Hedberg bdaddr_t *addr, 880501f8827SJohan Hedberg u8 addr_type); 88177a77a30SAndre Guedes 882a4790dbdSAndre Guedes void hci_update_background_scan(struct hci_dev *hdev); 883a4790dbdSAndre Guedes 88435f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 8852aeb9a1aSJohan Hedberg 88635f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 88755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 888567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 8897652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 8907652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 891fe39c7b2SMarcel Holtmann struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand, 892e804d25dSJohan Hedberg u8 role); 893ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 89435d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 895fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 896c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 897e804d25dSJohan Hedberg u8 addr_type, u8 role); 898e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 89935f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 90055ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 90155ed8ca1SJohan Hedberg 902970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 903970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 904970c4e46SJohan Hedberg u8 addr_type); 905ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 906ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 907a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 908970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 909970c4e46SJohan Hedberg 91035f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 9112763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 9122763eda6SSzymon Janc bdaddr_t *bdaddr); 9130798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 9140798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 9150798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 9160798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 9170798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 9182763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 9192763eda6SSzymon Janc 9201da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 9211da177e4SLinus Torvalds 922e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 923ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 92499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 925ef222013SMarcel Holtmann 9260ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 927a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 928b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 929b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 9301da177e4SLinus Torvalds 9316935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 934cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 935cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 936cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 937cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 938cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 939cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 940cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 941cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 942cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 943cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 944cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 945cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 946cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 947cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 948cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 949cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 950cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 951cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 95207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 9531da177e4SLinus Torvalds 954eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 95553b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 95653b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 95753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 95853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 959d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 960d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 96153b834d2SMarcel Holtmann 96253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 963cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 964d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 965cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 966cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 967eead27daSAndre Guedes 9681da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 96920714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 97020714bfeSFrédéric Dalleau 9715a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 97220714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 9731da177e4SLinus Torvalds { 974686ebf28SUlisses Furquim switch (type) { 975686ebf28SUlisses Furquim case ACL_LINK: 976686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 9771da177e4SLinus Torvalds 978686ebf28SUlisses Furquim case SCO_LINK: 979686ebf28SUlisses Furquim case ESCO_LINK: 98020714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 9811da177e4SLinus Torvalds 982686ebf28SUlisses Furquim default: 983686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 984686ebf28SUlisses Furquim return -EINVAL; 985686ebf28SUlisses Furquim } 9861da177e4SLinus Torvalds } 9871da177e4SLinus Torvalds 9881da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 9891da177e4SLinus Torvalds { 990686ebf28SUlisses Furquim switch (conn->type) { 991686ebf28SUlisses Furquim case ACL_LINK: 992686ebf28SUlisses Furquim case LE_LINK: 993686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 994686ebf28SUlisses Furquim break; 9951da177e4SLinus Torvalds 996686ebf28SUlisses Furquim case SCO_LINK: 997686ebf28SUlisses Furquim case ESCO_LINK: 998686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 999686ebf28SUlisses Furquim break; 10001da177e4SLinus Torvalds 1001686ebf28SUlisses Furquim default: 1002686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 1003686ebf28SUlisses Furquim break; 1004686ebf28SUlisses Furquim } 1005e9a416b5SJohan Hedberg 1006e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 1007e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 10081da177e4SLinus Torvalds } 10091da177e4SLinus Torvalds 10102950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 10112950f21aSMarcel Holtmann { 1012686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1013686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 10142950f21aSMarcel Holtmann 1015686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 10162950f21aSMarcel Holtmann } 10172950f21aSMarcel Holtmann 10182950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 10191da177e4SLinus Torvalds { 1020686ebf28SUlisses Furquim switch (conn->type) { 1021686ebf28SUlisses Furquim case ACL_LINK: 1022686ebf28SUlisses Furquim case LE_LINK: 1023686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 1024686ebf28SUlisses Furquim break; 10251da177e4SLinus Torvalds 1026686ebf28SUlisses Furquim case SCO_LINK: 1027686ebf28SUlisses Furquim case ESCO_LINK: 1028686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 1029686ebf28SUlisses Furquim break; 10301da177e4SLinus Torvalds 1031bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 1032bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1033bd1eb66bSAndrei Emeltchenko break; 1034bd1eb66bSAndrei Emeltchenko 1035686ebf28SUlisses Furquim default: 1036686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 1037686ebf28SUlisses Furquim break; 1038686ebf28SUlisses Furquim } 1039e9a416b5SJohan Hedberg 1040e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 1041e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 10421da177e4SLinus Torvalds } 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 10451da177e4SLinus Torvalds { 10468c1b2355SMarcel Holtmann __u8 encrypt; 10478c1b2355SMarcel Holtmann 1048686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1049686ebf28SUlisses Furquim return; 1050686ebf28SUlisses Furquim 105151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 10528c1b2355SMarcel Holtmann return; 10538c1b2355SMarcel Holtmann 10544dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 1055686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1056e9a416b5SJohan Hedberg 1057e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1058e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 10591da177e4SLinus Torvalds } 10601da177e4SLinus Torvalds 10615a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 10625a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 10631da177e4SLinus Torvalds { 1064686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1065686ebf28SUlisses Furquim return; 10661da177e4SLinus Torvalds 1067686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1068e9a416b5SJohan Hedberg 1069e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1070e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 10711da177e4SLinus Torvalds } 10721da177e4SLinus Torvalds 10731da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 10741da177e4SLinus Torvalds struct hci_cb { 10751da177e4SLinus Torvalds struct list_head list; 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds char *name; 10781da177e4SLinus Torvalds 10795a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 10805a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 10811da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 10821da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 10831da177e4SLinus Torvalds }; 10841da177e4SLinus Torvalds 10851da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 10861da177e4SLinus Torvalds { 1087711584eaSDenis Kirjanov struct hci_cb *cb; 10888c1b2355SMarcel Holtmann __u8 encrypt; 10891da177e4SLinus Torvalds 10901da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 10911da177e4SLinus Torvalds 109251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 10938c1b2355SMarcel Holtmann return; 10948c1b2355SMarcel Holtmann 10954dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 10968c1b2355SMarcel Holtmann 1097f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1098711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10998c1b2355SMarcel Holtmann if (cb->security_cfm) 11008c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11011da177e4SLinus Torvalds } 1102f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11031da177e4SLinus Torvalds } 11041da177e4SLinus Torvalds 11055a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 11065a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 11071da177e4SLinus Torvalds { 1108711584eaSDenis Kirjanov struct hci_cb *cb; 11091da177e4SLinus Torvalds 1110435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1111435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1112435fef20SMarcel Holtmann 111388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 111488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 111588167aedSVinicius Costa Gomes 11169719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 11171da177e4SLinus Torvalds 1118f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1119711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11208c1b2355SMarcel Holtmann if (cb->security_cfm) 11218c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 11221da177e4SLinus Torvalds } 1123f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11241da177e4SLinus Torvalds } 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 11271da177e4SLinus Torvalds { 1128711584eaSDenis Kirjanov struct hci_cb *cb; 11291da177e4SLinus Torvalds 1130f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1131711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11321da177e4SLinus Torvalds if (cb->key_change_cfm) 11331da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 11341da177e4SLinus Torvalds } 1135f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11361da177e4SLinus Torvalds } 11371da177e4SLinus Torvalds 11385a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 11395a9d0a3fSWaldemar Rymarkiewicz __u8 role) 11401da177e4SLinus Torvalds { 1141711584eaSDenis Kirjanov struct hci_cb *cb; 11421da177e4SLinus Torvalds 1143f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1144711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11451da177e4SLinus Torvalds if (cb->role_switch_cfm) 11461da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 11471da177e4SLinus Torvalds } 1148f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11491da177e4SLinus Torvalds } 11501da177e4SLinus Torvalds 11516759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 11526759a675SJohan Hedberg { 115384d9d071SJohan Hedberg size_t parsed = 0; 11546759a675SJohan Hedberg 11556c0c331eSJohan Hedberg if (data_len < 2) 11566c0c331eSJohan Hedberg return false; 11576c0c331eSJohan Hedberg 115884d9d071SJohan Hedberg while (parsed < data_len - 1) { 115984d9d071SJohan Hedberg u8 field_len = data[0]; 11606759a675SJohan Hedberg 11616759a675SJohan Hedberg if (field_len == 0) 11626759a675SJohan Hedberg break; 11636759a675SJohan Hedberg 11646759a675SJohan Hedberg parsed += field_len + 1; 11656759a675SJohan Hedberg 11666759a675SJohan Hedberg if (parsed > data_len) 11676759a675SJohan Hedberg break; 11686759a675SJohan Hedberg 11696759a675SJohan Hedberg if (data[1] == type) 11706759a675SJohan Hedberg return true; 11716759a675SJohan Hedberg 11726759a675SJohan Hedberg data += field_len + 1; 11736759a675SJohan Hedberg } 11746759a675SJohan Hedberg 11756759a675SJohan Hedberg return false; 11766759a675SJohan Hedberg } 11776759a675SJohan Hedberg 1178301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1179301cb2d8SJohan Hedberg { 1180dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1181301cb2d8SJohan Hedberg return false; 1182301cb2d8SJohan Hedberg 1183301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1184301cb2d8SJohan Hedberg return true; 1185301cb2d8SJohan Hedberg 1186301cb2d8SJohan Hedberg return false; 1187301cb2d8SJohan Hedberg } 1188301cb2d8SJohan Hedberg 1189c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1190c46245b3SJohan Hedberg { 1191c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1192c46245b3SJohan Hedberg return true; 1193c46245b3SJohan Hedberg 1194c46245b3SJohan Hedberg /* Check for Random Static address type */ 1195c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1196c46245b3SJohan Hedberg return true; 1197c46245b3SJohan Hedberg 1198c46245b3SJohan Hedberg return false; 1199c46245b3SJohan Hedberg } 1200c46245b3SJohan Hedberg 12012426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 12022426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 12032426f3a5SJohan Hedberg { 12042426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 12052426f3a5SJohan Hedberg return NULL; 12062426f3a5SJohan Hedberg 12072426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 12082426f3a5SJohan Hedberg } 12092426f3a5SJohan Hedberg 1210d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1211d4905f24SAndre Guedes u16 to_multiplier) 1212d4905f24SAndre Guedes { 1213d4905f24SAndre Guedes u16 max_latency; 1214d4905f24SAndre Guedes 1215d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1216d4905f24SAndre Guedes return -EINVAL; 1217d4905f24SAndre Guedes 1218d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1219d4905f24SAndre Guedes return -EINVAL; 1220d4905f24SAndre Guedes 1221d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1222d4905f24SAndre Guedes return -EINVAL; 1223d4905f24SAndre Guedes 1224d4905f24SAndre Guedes max_latency = (to_multiplier * 8 / max) - 1; 1225d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1226d4905f24SAndre Guedes return -EINVAL; 1227d4905f24SAndre Guedes 1228d4905f24SAndre Guedes return 0; 1229d4905f24SAndre Guedes } 1230d4905f24SAndre Guedes 12311da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 12321da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 12331da177e4SLinus Torvalds 12343119ae95SJohan Hedberg struct hci_request { 12353119ae95SJohan Hedberg struct hci_dev *hdev; 12363119ae95SJohan Hedberg struct sk_buff_head cmd_q; 12375d73e034SAndre Guedes 12385d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 12395d73e034SAndre Guedes * value is stored in this field. 12405d73e034SAndre Guedes */ 12415d73e034SAndre Guedes int err; 12423119ae95SJohan Hedberg }; 12433119ae95SJohan Hedberg 12443119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 12453119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 124607dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 124707dc93ddSJohan Hedberg const void *param); 124807dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 124907dc93ddSJohan Hedberg const void *param, u8 event); 12509238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 1251899de765SMarcel Holtmann bool hci_req_pending(struct hci_dev *hdev); 12523119ae95SJohan Hedberg 1253b1efcc28SAndre Guedes void hci_req_add_le_scan_disable(struct hci_request *req); 12548ef30fd3SAndre Guedes void hci_req_add_le_passive_scan(struct hci_request *req); 1255b1efcc28SAndre Guedes 125675e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 125707dc93ddSJohan Hedberg const void *param, u32 timeout); 12587b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 125907dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 126075e84b7cSJohan Hedberg 126107dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 126207dc93ddSJohan Hedberg const void *param); 126373d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 12640d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 12651da177e4SLinus Torvalds 1266a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 12671da177e4SLinus Torvalds 12681da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1269470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1270470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1271cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 12721da177e4SLinus Torvalds 1273040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1274040030efSMarcel Holtmann 12750381101fSJohan Hedberg /* Management interface */ 1276591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1277591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1278591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1279591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1280591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1281591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1282f39799f5SAndre Guedes 12830d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 12840d8cc935SAndre Guedes * Discovery Procedure specification. 12850d8cc935SAndre Guedes */ 12860d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 12870d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 12883d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1289ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 12900d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 12910d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 12920d8cc935SAndre Guedes 12930381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 129491a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1295bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1296bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 12973eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1298744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1299bc6d2d04SJohan Hedberg int mgmt_update_adv_data(struct hci_dev *hdev); 1300d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 1301dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1302745c0ce3SVishal Agarwal bool persistent); 1303ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 130404124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 130504124681SGustavo F. Padovan u8 *dev_class); 13069b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 130712d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 130812d4a3b2SJohan Hedberg bool mgmt_connected); 13097892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 131088c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1311445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 131248264f06SJohan Hedberg u8 addr_type, u8 status); 1313ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1314e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1315c35938b2SSzymon Janc u8 status); 13163eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1317744cf19eSJohan Hedberg u8 status); 1318744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 131939adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1320272d90dfSJohan Hedberg u8 confirm_hint); 1321744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1322272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1323272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1324272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1325272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1326272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1327604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1328272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1329272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1330272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 133192a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 133292a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 133392a25256SJohan Hedberg u8 entered); 1334e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1335bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1336464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 13373e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1338eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 13394e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 13407f9a903cSMarcel Holtmann u8 status); 13417667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 13424d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 13434d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 13444d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1345901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1346af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1347af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 13489cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1349b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 13502f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 135153ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 135295fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 135353ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 135453ac6ab6SMarcel Holtmann bool persistent); 1355ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1356f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1357f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 13585976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1359f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1360346af67bSVinicius Costa Gomes 13617d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 13627d6ca693SJohan Hedberg u16 to_multiplier); 1363fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 1364a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 13652519a1fcSAndre Guedes 136694b1fc92SMarcel Holtmann int hci_update_random_address(struct hci_request *req, bool require_privacy, 136794b1fc92SMarcel Holtmann u8 *own_addr_type); 1368a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1369a1f4c318SJohan Hedberg u8 *bdaddr_type); 1370ebd3a747SJohan Hedberg 13715d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 13725d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 13735d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 13745d4d62f6SFrédéric Dalleau 13751da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1376