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> 291da177e4SLinus Torvalds 305e59b791SLuiz Augusto von Dentz /* HCI priority */ 315e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 325e59b791SLuiz Augusto von Dentz 331da177e4SLinus Torvalds /* HCI Core structures */ 341da177e4SLinus Torvalds struct inquiry_data { 351da177e4SLinus Torvalds bdaddr_t bdaddr; 361da177e4SLinus Torvalds __u8 pscan_rep_mode; 371da177e4SLinus Torvalds __u8 pscan_period_mode; 381da177e4SLinus Torvalds __u8 pscan_mode; 391da177e4SLinus Torvalds __u8 dev_class[3]; 401ebb9252SMarcel Holtmann __le16 clock_offset; 411da177e4SLinus Torvalds __s8 rssi; 4241a96212SMarcel Holtmann __u8 ssp_mode; 431da177e4SLinus Torvalds }; 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds struct inquiry_entry { 46561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 47561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 48561aafbcSJohan Hedberg enum { 49561aafbcSJohan Hedberg NAME_NOT_KNOWN, 50561aafbcSJohan Hedberg NAME_NEEDED, 51561aafbcSJohan Hedberg NAME_PENDING, 52561aafbcSJohan Hedberg NAME_KNOWN, 53561aafbcSJohan Hedberg } name_state; 541da177e4SLinus Torvalds __u32 timestamp; 551da177e4SLinus Torvalds struct inquiry_data data; 561da177e4SLinus Torvalds }; 571da177e4SLinus Torvalds 5830883512SJohan Hedberg struct discovery_state { 594aab14e5SAndre Guedes int type; 60ff9ef578SJohan Hedberg enum { 61ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 62ff9ef578SJohan Hedberg DISCOVERY_STARTING, 63343f935bSAndre Guedes DISCOVERY_FINDING, 6430dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 65ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 66ff9ef578SJohan Hedberg } state; 67561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 68561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 69561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 701da177e4SLinus Torvalds __u32 timestamp; 71b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 72b9a6328fSJohan Hedberg u8 last_adv_addr_type; 73ff5cd29fSJohan Hedberg s8 last_adv_rssi; 74b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 75b9a6328fSJohan Hedberg u8 last_adv_data_len; 761da177e4SLinus Torvalds }; 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds struct hci_conn_hash { 791da177e4SLinus Torvalds struct list_head list; 801da177e4SLinus Torvalds unsigned int acl_num; 81bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 821da177e4SLinus Torvalds unsigned int sco_num; 83fcd89c09SVille Tervo unsigned int le_num; 841da177e4SLinus Torvalds }; 851da177e4SLinus Torvalds 86f0358568SJohan Hedberg struct bdaddr_list { 87f0358568SJohan Hedberg struct list_head list; 88f0358568SJohan Hedberg bdaddr_t bdaddr; 89b9ee0a78SMarcel Holtmann u8 bdaddr_type; 90f0358568SJohan Hedberg }; 912aeb9a1aSJohan Hedberg 922aeb9a1aSJohan Hedberg struct bt_uuid { 932aeb9a1aSJohan Hedberg struct list_head list; 942aeb9a1aSJohan Hedberg u8 uuid[16]; 9583be8ecaSJohan Hedberg u8 size; 961aff6f09SJohan Hedberg u8 svc_hint; 972aeb9a1aSJohan Hedberg }; 982aeb9a1aSJohan Hedberg 997ee4ea36SMarcel Holtmann struct smp_csrk { 1007ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1017ee4ea36SMarcel Holtmann u8 bdaddr_type; 1027ee4ea36SMarcel Holtmann u8 master; 1037ee4ea36SMarcel Holtmann u8 val[16]; 1047ee4ea36SMarcel Holtmann }; 1057ee4ea36SMarcel Holtmann 106b899efafSVinicius Costa Gomes struct smp_ltk { 107b899efafSVinicius Costa Gomes struct list_head list; 108b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 109b899efafSVinicius Costa Gomes u8 bdaddr_type; 110b899efafSVinicius Costa Gomes u8 authenticated; 111b899efafSVinicius Costa Gomes u8 type; 112b899efafSVinicius Costa Gomes u8 enc_size; 113b899efafSVinicius Costa Gomes __le16 ediv; 114fe39c7b2SMarcel Holtmann __le64 rand; 115b899efafSVinicius Costa Gomes u8 val[16]; 11603c515d7SMarcel Holtmann }; 117b899efafSVinicius Costa Gomes 118970c4e46SJohan Hedberg struct smp_irk { 119970c4e46SJohan Hedberg struct list_head list; 120970c4e46SJohan Hedberg bdaddr_t rpa; 121970c4e46SJohan Hedberg bdaddr_t bdaddr; 122970c4e46SJohan Hedberg u8 addr_type; 123970c4e46SJohan Hedberg u8 val[16]; 124970c4e46SJohan Hedberg }; 125970c4e46SJohan Hedberg 12655ed8ca1SJohan Hedberg struct link_key { 12755ed8ca1SJohan Hedberg struct list_head list; 12855ed8ca1SJohan Hedberg bdaddr_t bdaddr; 12955ed8ca1SJohan Hedberg u8 type; 1309b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 13155ed8ca1SJohan Hedberg u8 pin_len; 13255ed8ca1SJohan Hedberg }; 13355ed8ca1SJohan Hedberg 1342763eda6SSzymon Janc struct oob_data { 1352763eda6SSzymon Janc struct list_head list; 1362763eda6SSzymon Janc bdaddr_t bdaddr; 137519ca9d0SMarcel Holtmann u8 hash192[16]; 138519ca9d0SMarcel Holtmann u8 randomizer192[16]; 139519ca9d0SMarcel Holtmann u8 hash256[16]; 140519ca9d0SMarcel Holtmann u8 randomizer256[16]; 1412763eda6SSzymon Janc }; 1422763eda6SSzymon Janc 143490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 144490c5babSJohan Hedberg 145d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 146d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 147d6bfd59cSJohan Hedberg 14831ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 14931ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 15031ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 15131ad1691SAndrzej Kaczmarek 152903e4541SAndrei Emeltchenko struct amp_assoc { 153903e4541SAndrei Emeltchenko __u16 len; 154903e4541SAndrei Emeltchenko __u16 offset; 15593c284eeSAndrei Emeltchenko __u16 rem_len; 15693c284eeSAndrei Emeltchenko __u16 len_so_far; 157903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 158903e4541SAndrei Emeltchenko }; 159903e4541SAndrei Emeltchenko 160d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 161cad718edSJohan Hedberg 162cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1631da177e4SLinus Torvalds struct hci_dev { 1641da177e4SLinus Torvalds struct list_head list; 16509fd0de5SGustavo F. Padovan struct mutex lock; 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds char name[8]; 1681da177e4SLinus Torvalds unsigned long flags; 1691da177e4SLinus Torvalds __u16 id; 170c13854ceSMarcel Holtmann __u8 bus; 171943da25dSMarcel Holtmann __u8 dev_type; 1721da177e4SLinus Torvalds bdaddr_t bdaddr; 1737a4cd51dSMarcel Holtmann bdaddr_t random_addr; 174d13eafceSMarcel Holtmann bdaddr_t static_addr; 17556ed2cb8SJohan Hedberg __u8 adv_addr_type; 1761f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 177490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 17880a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 179a9de9248SMarcel Holtmann __u8 dev_class[3]; 1801aff6f09SJohan Hedberg __u8 major_class; 1811aff6f09SJohan Hedberg __u8 minor_class; 182d2c5d77fSJohan Hedberg __u8 max_page; 183cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 18460e77321SJohan Hedberg __u8 le_features[8]; 185cf1d081fSJohan Hedberg __u8 le_white_list_size; 1869b008c04SJohan Hedberg __u8 le_states[8]; 187a9de9248SMarcel Holtmann __u8 commands[64]; 1881143e5a6SMarcel Holtmann __u8 hci_ver; 1891143e5a6SMarcel Holtmann __u16 hci_rev; 190d5859e22SJohan Hedberg __u8 lmp_ver; 1911143e5a6SMarcel Holtmann __u16 manufacturer; 1927d69230cSAndrei Emeltchenko __u16 lmp_subver; 1931da177e4SLinus Torvalds __u16 voice_setting; 194b4cb9fb2SMarcel Holtmann __u8 num_iac; 19517fa4b9dSJohan Hedberg __u8 io_capability; 19691c4e9b1SMarcel Holtmann __s8 inq_tx_power; 197f332ec66SJohan Hedberg __u16 page_scan_interval; 198f332ec66SJohan Hedberg __u16 page_scan_window; 199f332ec66SJohan Hedberg __u8 page_scan_type; 2003f959d46SMarcel Holtmann __u8 le_adv_channel_map; 201533553f8SMarcel Holtmann __u8 le_scan_type; 202bef64738SMarcel Holtmann __u16 le_scan_interval; 203bef64738SMarcel Holtmann __u16 le_scan_window; 2044e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2054e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 206b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 20731ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 20831ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 20906f5b778SMarcel Holtmann __u8 ssp_debug_mode; 210f332ec66SJohan Hedberg 2112b9be137SMarcel Holtmann __u16 devid_source; 2122b9be137SMarcel Holtmann __u16 devid_vendor; 2132b9be137SMarcel Holtmann __u16 devid_product; 2142b9be137SMarcel Holtmann __u16 devid_version; 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvalds __u16 pkt_type; 2175b7f9909SMarcel Holtmann __u16 esco_type; 2181da177e4SLinus Torvalds __u16 link_policy; 2191da177e4SLinus Torvalds __u16 link_mode; 2201da177e4SLinus Torvalds 22104837f64SMarcel Holtmann __u32 idle_timeout; 22204837f64SMarcel Holtmann __u16 sniff_min_interval; 22304837f64SMarcel Holtmann __u16 sniff_max_interval; 22404837f64SMarcel Holtmann 225928abaa7SAndrei Emeltchenko __u8 amp_status; 226928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 227928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 228928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 229928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 230928abaa7SAndrei Emeltchenko __u8 amp_type; 231928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 232928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 233928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 234928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 235928abaa7SAndrei Emeltchenko 236903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 237903e4541SAndrei Emeltchenko 2381e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2391e89cffbSAndrei Emeltchenko 2409f61656aSJohan Hedberg unsigned int auto_accept_delay; 2419f61656aSJohan Hedberg 2421da177e4SLinus Torvalds unsigned long quirks; 2431da177e4SLinus Torvalds 2441da177e4SLinus Torvalds atomic_t cmd_cnt; 2451da177e4SLinus Torvalds unsigned int acl_cnt; 2461da177e4SLinus Torvalds unsigned int sco_cnt; 2476ed58ec5SVille Tervo unsigned int le_cnt; 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds unsigned int acl_mtu; 2501da177e4SLinus Torvalds unsigned int sco_mtu; 2516ed58ec5SVille Tervo unsigned int le_mtu; 2521da177e4SLinus Torvalds unsigned int acl_pkts; 2531da177e4SLinus Torvalds unsigned int sco_pkts; 2546ed58ec5SVille Tervo unsigned int le_pkts; 2551da177e4SLinus Torvalds 256350ee4cfSAndrei Emeltchenko __u16 block_len; 257350ee4cfSAndrei Emeltchenko __u16 block_mtu; 258350ee4cfSAndrei Emeltchenko __u16 num_blocks; 259350ee4cfSAndrei Emeltchenko __u16 block_cnt; 260350ee4cfSAndrei Emeltchenko 2611da177e4SLinus Torvalds unsigned long acl_last_tx; 2621da177e4SLinus Torvalds unsigned long sco_last_tx; 2636ed58ec5SVille Tervo unsigned long le_last_tx; 2641da177e4SLinus Torvalds 265f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2666ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 267f48fd9c8SMarcel Holtmann 268ab81cbf9SJohan Hedberg struct work_struct power_on; 2693243553fSJohan Hedberg struct delayed_work power_off; 270ab81cbf9SJohan Hedberg 27116ab91abSJohan Hedberg __u16 discov_timeout; 27216ab91abSJohan Hedberg struct delayed_work discov_off; 27316ab91abSJohan Hedberg 2747d78525dSJohan Hedberg struct delayed_work service_cache; 2757d78525dSJohan Hedberg 27665cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 277b78752ccSMarcel Holtmann 278b78752ccSMarcel Holtmann struct work_struct rx_work; 279c347b765SGustavo F. Padovan struct work_struct cmd_work; 2803eff45eaSGustavo F. Padovan struct work_struct tx_work; 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds struct sk_buff_head rx_q; 2831da177e4SLinus Torvalds struct sk_buff_head raw_q; 2841da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2851da177e4SLinus Torvalds 286b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2871da177e4SLinus Torvalds struct sk_buff *sent_cmd; 288cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2891da177e4SLinus Torvalds 290a6a67efdSThomas Gleixner struct mutex req_lock; 2911da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2921da177e4SLinus Torvalds __u32 req_status; 2931da177e4SLinus Torvalds __u32 req_result; 294a5040efaSJohan Hedberg 29599780a7bSJohan Hedberg struct crypto_blkcipher *tfm_aes; 2962e58ef3eSJohan Hedberg 29730883512SJohan Hedberg struct discovery_state discovery; 2981da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 2995c136e90SAndre Guedes 3005c136e90SAndre Guedes struct list_head mgmt_pending; 301ea4bd8baSDavid Miller struct list_head blacklist; 3022aeb9a1aSJohan Hedberg struct list_head uuids; 30355ed8ca1SJohan Hedberg struct list_head link_keys; 304b899efafSVinicius Costa Gomes struct list_head long_term_keys; 305970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3062763eda6SSzymon Janc struct list_head remote_oob_data; 307d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 30815819a70SAndre Guedes struct list_head le_conn_params; 30977a77a30SAndre Guedes struct list_head pend_le_conns; 3102763eda6SSzymon Janc 3111da177e4SLinus Torvalds struct hci_dev_stats stat; 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds atomic_t promisc; 3141da177e4SLinus Torvalds 315ca325f69SMarcel Holtmann struct dentry *debugfs; 316ca325f69SMarcel Holtmann 317a91f2e39SMarcel Holtmann struct device dev; 3181da177e4SLinus Torvalds 319611b30f7SMarcel Holtmann struct rfkill *rfkill; 320611b30f7SMarcel Holtmann 321d23264a8SAndre Guedes unsigned long dev_flags; 322d23264a8SAndre Guedes 3237ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 3247ba8b4beSAndre Guedes 3258fa19098SJohan Hedberg __s8 adv_tx_power; 3263f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3273f0f524bSJohan Hedberg __u8 adv_data_len; 328f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 329f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3308fa19098SJohan Hedberg 331863efaf2SJohan Hedberg __u8 irk[16]; 332d6bfd59cSJohan Hedberg __u32 rpa_timeout; 333d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3342b5224dcSMarcel Holtmann bdaddr_t rpa; 335863efaf2SJohan Hedberg 3361da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3371da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3381da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 339f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 3407bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3411da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 3421da177e4SLinus Torvalds }; 3431da177e4SLinus Torvalds 34453502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 34553502d69SAndrei Emeltchenko 3461da177e4SLinus Torvalds struct hci_conn { 3471da177e4SLinus Torvalds struct list_head list; 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds atomic_t refcnt; 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds bdaddr_t dst; 35229b7988aSAndre Guedes __u8 dst_type; 353662e8820SMarcel Holtmann bdaddr_t src; 354e7c4096eSMarcel Holtmann __u8 src_type; 355cb1d68f7SJohan Hedberg bdaddr_t init_addr; 356cb1d68f7SJohan Hedberg __u8 init_addr_type; 357cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 358cb1d68f7SJohan Hedberg __u8 resp_addr_type; 3591da177e4SLinus Torvalds __u16 handle; 3601da177e4SLinus Torvalds __u16 state; 36104837f64SMarcel Holtmann __u8 mode; 3621da177e4SLinus Torvalds __u8 type; 363a0c808b3SJohan Hedberg bool out; 3644c67bc74SMarcel Holtmann __u8 attempt; 3651da177e4SLinus Torvalds __u8 dev_class[3]; 366cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 367a8746417SMarcel Holtmann __u16 pkt_type; 36804837f64SMarcel Holtmann __u16 link_policy; 3691da177e4SLinus Torvalds __u32 link_mode; 37013d39315SWaldemar Rymarkiewicz __u8 key_type; 37140be492fSMarcel Holtmann __u8 auth_type; 3728c1b2355SMarcel Holtmann __u8 sec_level; 373765c2a96SJohan Hedberg __u8 pending_sec_level; 374980e1a53SJohan Hedberg __u8 pin_length; 375726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 37617fa4b9dSJohan Hedberg __u8 io_capability; 37792a25256SJohan Hedberg __u32 passkey_notify; 37892a25256SJohan Hedberg __u8 passkey_entered; 379052b30b0SMarcel Holtmann __u16 disc_timeout; 38010c62ddcSFrédéric Dalleau __u16 setting; 3811e406eefSAndre Guedes __u16 le_conn_min_interval; 3821e406eefSAndre Guedes __u16 le_conn_max_interval; 3835ae76a94SAndrzej Kaczmarek __s8 rssi; 3845a134faeSAndrzej Kaczmarek __s8 tx_power; 385d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 38651a8efd7SJohan Hedberg unsigned long flags; 3871da177e4SLinus Torvalds 388dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 389dd983808SAndrzej Kaczmarek 39003b555e1SJohan Hedberg __u8 remote_cap; 39103b555e1SJohan Hedberg __u8 remote_auth; 3923161ae1cSAndrei Emeltchenko __u8 remote_id; 3936ec5bcadSVishal Agarwal bool flush_key; 39403b555e1SJohan Hedberg 3951da177e4SLinus Torvalds unsigned int sent; 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds struct sk_buff_head data_q; 3982c33c06aSGustavo F. Padovan struct list_head chan_list; 3991da177e4SLinus Torvalds 40019c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4017bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 402a74a84f6SJohan Hedberg struct delayed_work idle_work; 4039489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4041da177e4SLinus Torvalds 405b219e3acSMarcel Holtmann struct device dev; 406b219e3acSMarcel Holtmann 4071da177e4SLinus Torvalds struct hci_dev *hdev; 4081da177e4SLinus Torvalds void *l2cap_data; 4091da177e4SLinus Torvalds void *sco_data; 4102b64d153SBrian Gix void *smp_conn; 4119740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds struct hci_conn *link; 414e9a416b5SJohan Hedberg 415e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 416e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 417e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 4181da177e4SLinus Torvalds }; 4191da177e4SLinus Torvalds 42073d80debSLuiz Augusto von Dentz struct hci_chan { 42173d80debSLuiz Augusto von Dentz struct list_head list; 42242c4e53eSAndrei Emeltchenko __u16 handle; 42373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 42473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 42573d80debSLuiz Augusto von Dentz unsigned int sent; 426168df8e5SMat Martineau __u8 state; 42773d80debSLuiz Augusto von Dentz }; 42873d80debSLuiz Augusto von Dentz 42915819a70SAndre Guedes struct hci_conn_params { 43015819a70SAndre Guedes struct list_head list; 43115819a70SAndre Guedes 43215819a70SAndre Guedes bdaddr_t addr; 43315819a70SAndre Guedes u8 addr_type; 43415819a70SAndre Guedes 43515819a70SAndre Guedes u16 conn_min_interval; 43615819a70SAndre Guedes u16 conn_max_interval; 4379fcb18efSAndre Guedes 4389fcb18efSAndre Guedes enum { 4399fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 4409fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 4419fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 4429fcb18efSAndre Guedes } auto_connect; 44315819a70SAndre Guedes }; 44415819a70SAndre Guedes 4451da177e4SLinus Torvalds extern struct list_head hci_dev_list; 4461da177e4SLinus Torvalds extern struct list_head hci_cb_list; 4471da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 4481da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 4491da177e4SLinus Torvalds 450686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 451e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 452e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 453e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 454e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 455e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 456e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 457686ebf28SUlisses Furquim 458e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 459e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 460e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 461e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 462686ebf28SUlisses Furquim 4631da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 46470f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 46570f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 4661da177e4SLinus Torvalds 46730883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 4681da177e4SLinus Torvalds { 469ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 47030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 47130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 47230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4731da177e4SLinus Torvalds } 4741da177e4SLinus Torvalds 47530dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 47630dc78e1SJohan Hedberg 477ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 478ff9ef578SJohan Hedberg 4791da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4801da177e4SLinus Torvalds { 48130883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4821da177e4SLinus Torvalds } 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4851da177e4SLinus Torvalds { 48630883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4871da177e4SLinus Torvalds return jiffies - c->timestamp; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4911da177e4SLinus Torvalds { 4921da177e4SLinus Torvalds return jiffies - e->timestamp; 4931da177e4SLinus Torvalds } 4941da177e4SLinus Torvalds 4955a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4965a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 497561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 498561aafbcSJohan Hedberg bdaddr_t *bdaddr); 49930dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 50030dc78e1SJohan Hedberg bdaddr_t *bdaddr, 50130dc78e1SJohan Hedberg int state); 502a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 503a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 5043175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 505388fc8faSJohan Hedberg bool name_known, bool *ssp); 5061f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 5071da177e4SLinus Torvalds 5081da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 5091da177e4SLinus Torvalds enum { 5101da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 51119f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 5121da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 51304837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 51404837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 515e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 516d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 517b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 51858a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 519eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 520abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 52158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 52258a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 52318722c24SJukka Rissanen HCI_CONN_6LOWPAN, 5241da177e4SLinus Torvalds }; 5251da177e4SLinus Torvalds 526aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 527aa64a8b5SJohan Hedberg { 528aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 529c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 530c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 531aa64a8b5SJohan Hedberg } 532aa64a8b5SJohan Hedberg 533eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 534eb9a8f3fSMarcel Holtmann { 535eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 536eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 537eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 538eb9a8f3fSMarcel Holtmann } 539eb9a8f3fSMarcel Holtmann 5401da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 5411da177e4SLinus Torvalds { 5421da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 543bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 544fcd89c09SVille Tervo switch (c->type) { 545fcd89c09SVille Tervo case ACL_LINK: 5461da177e4SLinus Torvalds h->acl_num++; 547fcd89c09SVille Tervo break; 548bd1eb66bSAndrei Emeltchenko case AMP_LINK: 549bd1eb66bSAndrei Emeltchenko h->amp_num++; 550bd1eb66bSAndrei Emeltchenko break; 551fcd89c09SVille Tervo case LE_LINK: 552fcd89c09SVille Tervo h->le_num++; 553fcd89c09SVille Tervo break; 554fcd89c09SVille Tervo case SCO_LINK: 555fcd89c09SVille Tervo case ESCO_LINK: 5561da177e4SLinus Torvalds h->sco_num++; 557fcd89c09SVille Tervo break; 558fcd89c09SVille Tervo } 5591da177e4SLinus Torvalds } 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 5621da177e4SLinus Torvalds { 5631da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 564bf4c6325SGustavo F. Padovan 565bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 566bf4c6325SGustavo F. Padovan synchronize_rcu(); 567bf4c6325SGustavo F. Padovan 568fcd89c09SVille Tervo switch (c->type) { 569fcd89c09SVille Tervo case ACL_LINK: 5701da177e4SLinus Torvalds h->acl_num--; 571fcd89c09SVille Tervo break; 572bd1eb66bSAndrei Emeltchenko case AMP_LINK: 573bd1eb66bSAndrei Emeltchenko h->amp_num--; 574bd1eb66bSAndrei Emeltchenko break; 575fcd89c09SVille Tervo case LE_LINK: 576fcd89c09SVille Tervo h->le_num--; 577fcd89c09SVille Tervo break; 578fcd89c09SVille Tervo case SCO_LINK: 579fcd89c09SVille Tervo case ESCO_LINK: 5801da177e4SLinus Torvalds h->sco_num--; 581fcd89c09SVille Tervo break; 582fcd89c09SVille Tervo } 5831da177e4SLinus Torvalds } 5841da177e4SLinus Torvalds 58552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 58652087a79SLuiz Augusto von Dentz { 58752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 58852087a79SLuiz Augusto von Dentz switch (type) { 58952087a79SLuiz Augusto von Dentz case ACL_LINK: 59052087a79SLuiz Augusto von Dentz return h->acl_num; 591bd1eb66bSAndrei Emeltchenko case AMP_LINK: 592bd1eb66bSAndrei Emeltchenko return h->amp_num; 59352087a79SLuiz Augusto von Dentz case LE_LINK: 59452087a79SLuiz Augusto von Dentz return h->le_num; 59552087a79SLuiz Augusto von Dentz case SCO_LINK: 59652087a79SLuiz Augusto von Dentz case ESCO_LINK: 59752087a79SLuiz Augusto von Dentz return h->sco_num; 59852087a79SLuiz Augusto von Dentz default: 59952087a79SLuiz Augusto von Dentz return 0; 60052087a79SLuiz Augusto von Dentz } 60152087a79SLuiz Augusto von Dentz } 60252087a79SLuiz Augusto von Dentz 603f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 604f4f07505SJohan Hedberg { 605f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 606f4f07505SJohan Hedberg 607f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 608f4f07505SJohan Hedberg } 609f4f07505SJohan Hedberg 6101da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 6111da177e4SLinus Torvalds __u16 handle) 6121da177e4SLinus Torvalds { 6131da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 6141da177e4SLinus Torvalds struct hci_conn *c; 6151da177e4SLinus Torvalds 616bf4c6325SGustavo F. Padovan rcu_read_lock(); 617bf4c6325SGustavo F. Padovan 618bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 619bf4c6325SGustavo F. Padovan if (c->handle == handle) { 620bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6211da177e4SLinus Torvalds return c; 6221da177e4SLinus Torvalds } 623bf4c6325SGustavo F. Padovan } 624bf4c6325SGustavo F. Padovan rcu_read_unlock(); 625bf4c6325SGustavo F. Padovan 6261da177e4SLinus Torvalds return NULL; 6271da177e4SLinus Torvalds } 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 6301da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 6311da177e4SLinus Torvalds { 6321da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 6331da177e4SLinus Torvalds struct hci_conn *c; 6341da177e4SLinus Torvalds 635bf4c6325SGustavo F. Padovan rcu_read_lock(); 636bf4c6325SGustavo F. Padovan 637bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 638bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 639bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6401da177e4SLinus Torvalds return c; 6411da177e4SLinus Torvalds } 642bf4c6325SGustavo F. Padovan } 643bf4c6325SGustavo F. Padovan 644bf4c6325SGustavo F. Padovan rcu_read_unlock(); 645bf4c6325SGustavo F. Padovan 6461da177e4SLinus Torvalds return NULL; 6471da177e4SLinus Torvalds } 6481da177e4SLinus Torvalds 6494c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 6504c67bc74SMarcel Holtmann __u8 type, __u16 state) 6514c67bc74SMarcel Holtmann { 6524c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 6534c67bc74SMarcel Holtmann struct hci_conn *c; 6544c67bc74SMarcel Holtmann 655bf4c6325SGustavo F. Padovan rcu_read_lock(); 656bf4c6325SGustavo F. Padovan 657bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 658bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 659bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6604c67bc74SMarcel Holtmann return c; 6614c67bc74SMarcel Holtmann } 662bf4c6325SGustavo F. Padovan } 663bf4c6325SGustavo F. Padovan 664bf4c6325SGustavo F. Padovan rcu_read_unlock(); 665bf4c6325SGustavo F. Padovan 6664c67bc74SMarcel Holtmann return NULL; 6674c67bc74SMarcel Holtmann } 6684c67bc74SMarcel Holtmann 669bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 6702dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 671e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 6741da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 6751da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 676a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 6771da177e4SLinus Torvalds 67873d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 6799472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 6802c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 68142c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 68273d80debSLuiz Augusto von Dentz 68304a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 68404a6c589SAndre Guedes u8 dst_type, u8 sec_level, u8 auth_type); 68504a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 68604a6c589SAndre Guedes u8 sec_level, u8 auth_type); 68710c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 68810c62ddcSFrédéric Dalleau __u16 setting); 689e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 690b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 6910684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6921da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6938c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6941da177e4SLinus Torvalds 69514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6961da177e4SLinus Torvalds 69706c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 69806c053fbSAndre Guedes 6998d12356fSDavid Herrmann /* 7008d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 7018d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 7028d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 7038d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 7048d12356fSDavid Herrmann * other constant data. 7058d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 7068d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 7078d12356fSDavid Herrmann * get dropped, though. 7088d12356fSDavid Herrmann * 7098d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 7108d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 7118d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 7128d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 7138d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 7148d12356fSDavid Herrmann * hci_conn_add()). 7158d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 7168d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 7178d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 7188d12356fSDavid Herrmann */ 7198d12356fSDavid Herrmann 7208d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 7218d12356fSDavid Herrmann { 7228d12356fSDavid Herrmann get_device(&conn->dev); 7238d12356fSDavid Herrmann } 7248d12356fSDavid Herrmann 7258d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 7268d12356fSDavid Herrmann { 7278d12356fSDavid Herrmann put_device(&conn->dev); 7288d12356fSDavid Herrmann } 7298d12356fSDavid Herrmann 7301da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 7311da177e4SLinus Torvalds { 73271becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 73338b3fef1SAndrei Emeltchenko 7341da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 7352f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 7361da177e4SLinus Torvalds } 7371da177e4SLinus Torvalds 73876a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 7391da177e4SLinus Torvalds { 74071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 74138b3fef1SAndrei Emeltchenko 7421da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 74304837f64SMarcel Holtmann unsigned long timeo; 744716e4ab5SAndrei Emeltchenko 745716e4ab5SAndrei Emeltchenko switch (conn->type) { 746716e4ab5SAndrei Emeltchenko case ACL_LINK: 747716e4ab5SAndrei Emeltchenko case LE_LINK: 748a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 7496ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 7505f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 75104837f64SMarcel Holtmann if (!conn->out) 752052b30b0SMarcel Holtmann timeo *= 2; 7535a9d0a3fSWaldemar Rymarkiewicz } else { 7546ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 7555a9d0a3fSWaldemar Rymarkiewicz } 756716e4ab5SAndrei Emeltchenko break; 757716e4ab5SAndrei Emeltchenko 758716e4ab5SAndrei Emeltchenko case AMP_LINK: 759716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 760716e4ab5SAndrei Emeltchenko break; 761716e4ab5SAndrei Emeltchenko 762716e4ab5SAndrei Emeltchenko default: 76304837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 764716e4ab5SAndrei Emeltchenko break; 7655a9d0a3fSWaldemar Rymarkiewicz } 766716e4ab5SAndrei Emeltchenko 7672f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 76819c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 7691931782bSVinicius Costa Gomes &conn->disc_work, timeo); 7701da177e4SLinus Torvalds } 7711da177e4SLinus Torvalds } 7721da177e4SLinus Torvalds 7731da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 774dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 7751da177e4SLinus Torvalds { 776376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 777376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 778376261aeSAndrei Emeltchenko 7794c724c71SDavid Herrmann put_device(&d->dev); 780010666a1SDavid Herrmann } 7811da177e4SLinus Torvalds 782dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 7831da177e4SLinus Torvalds { 784376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 785376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 786376261aeSAndrei Emeltchenko 7874c724c71SDavid Herrmann get_device(&d->dev); 7881da177e4SLinus Torvalds return d; 7891da177e4SLinus Torvalds } 7901da177e4SLinus Torvalds 79109fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 79209fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 7931da177e4SLinus Torvalds 794aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7953dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 796aa2b86d7SDavid Herrmann 797155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 798155961e8SDavid Herrmann { 799155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 800155961e8SDavid Herrmann } 801155961e8SDavid Herrmann 802155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 803155961e8SDavid Herrmann { 804155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 805155961e8SDavid Herrmann } 806155961e8SDavid Herrmann 8071da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 8080c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 8111da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 8121da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 81359735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 8141da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 8151da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 8161da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 8171da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 8181da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 8191da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 8201da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 8211da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 8221da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 8231da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 8241da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 82540be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 8261da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 8271da177e4SLinus Torvalds 828c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 829b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 83088c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 83188c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 832f0358568SJohan Hedberg 833d2ab0ac1SMarcel Holtmann struct bdaddr_list *hci_white_list_lookup(struct hci_dev *hdev, 834d2ab0ac1SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 835d2ab0ac1SMarcel Holtmann void hci_white_list_clear(struct hci_dev *hdev); 836d2ab0ac1SMarcel Holtmann int hci_white_list_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 837d2ab0ac1SMarcel Holtmann int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 838d2ab0ac1SMarcel Holtmann 83915819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 84015819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 841a9b0a04cSAndre Guedes int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, 8429fcb18efSAndre Guedes u8 auto_connect, u16 conn_min_interval, 8439fcb18efSAndre Guedes u16 conn_max_interval); 84415819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 84515819a70SAndre Guedes void hci_conn_params_clear(struct hci_dev *hdev); 84615819a70SAndre Guedes 84777a77a30SAndre Guedes struct bdaddr_list *hci_pend_le_conn_lookup(struct hci_dev *hdev, 84877a77a30SAndre Guedes bdaddr_t *addr, u8 addr_type); 84977a77a30SAndre Guedes void hci_pend_le_conn_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 85077a77a30SAndre Guedes void hci_pend_le_conn_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 85177a77a30SAndre Guedes void hci_pend_le_conns_clear(struct hci_dev *hdev); 85277a77a30SAndre Guedes 853a4790dbdSAndre Guedes void hci_update_background_scan(struct hci_dev *hdev); 854a4790dbdSAndre Guedes 85535f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 8562aeb9a1aSJohan Hedberg 85735f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 85855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 859d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 860d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 861fe39c7b2SMarcel Holtmann struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand, 86298a0b845SJohan Hedberg bool master); 863ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 86435d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 865fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 866c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 86798a0b845SJohan Hedberg u8 addr_type, bool master); 868e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 86935f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 87055ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 87155ed8ca1SJohan Hedberg 872970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 873970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 874970c4e46SJohan Hedberg u8 addr_type); 875ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 876ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 877a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 878970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 879970c4e46SJohan Hedberg 88035f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 8812763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 8822763eda6SSzymon Janc bdaddr_t *bdaddr); 8830798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8840798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 8850798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8860798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 8870798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 8882763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 8892763eda6SSzymon Janc 8901da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 8911da177e4SLinus Torvalds 892e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 893ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 89499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 895ef222013SMarcel Holtmann 8960ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 897a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 898b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 899b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 9001da177e4SLinus Torvalds 9016935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 9021da177e4SLinus Torvalds 9031da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 904cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 905cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 906cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 907cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 908cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 909cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 910cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 911cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 912cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 913cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 914cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 915cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 916cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 917cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 918cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 919cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 920cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 921cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 92207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 9231da177e4SLinus Torvalds 924eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 92553b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 92653b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 92753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 92853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 929d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 930d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 93153b834d2SMarcel Holtmann 93253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 933cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 934d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 935cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 936cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 937eead27daSAndre Guedes 9381da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 93920714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 94020714bfeSFrédéric Dalleau 9415a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 94220714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 9431da177e4SLinus Torvalds { 944686ebf28SUlisses Furquim switch (type) { 945686ebf28SUlisses Furquim case ACL_LINK: 946686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 9471da177e4SLinus Torvalds 948686ebf28SUlisses Furquim case SCO_LINK: 949686ebf28SUlisses Furquim case ESCO_LINK: 95020714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 9511da177e4SLinus Torvalds 952686ebf28SUlisses Furquim default: 953686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 954686ebf28SUlisses Furquim return -EINVAL; 955686ebf28SUlisses Furquim } 9561da177e4SLinus Torvalds } 9571da177e4SLinus Torvalds 9581da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 9591da177e4SLinus Torvalds { 960686ebf28SUlisses Furquim switch (conn->type) { 961686ebf28SUlisses Furquim case ACL_LINK: 962686ebf28SUlisses Furquim case LE_LINK: 963686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 964686ebf28SUlisses Furquim break; 9651da177e4SLinus Torvalds 966686ebf28SUlisses Furquim case SCO_LINK: 967686ebf28SUlisses Furquim case ESCO_LINK: 968686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 969686ebf28SUlisses Furquim break; 9701da177e4SLinus Torvalds 971686ebf28SUlisses Furquim default: 972686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 973686ebf28SUlisses Furquim break; 974686ebf28SUlisses Furquim } 975e9a416b5SJohan Hedberg 976e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 977e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 9781da177e4SLinus Torvalds } 9791da177e4SLinus Torvalds 9802950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 9812950f21aSMarcel Holtmann { 982686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 983686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 9842950f21aSMarcel Holtmann 985686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 9862950f21aSMarcel Holtmann } 9872950f21aSMarcel Holtmann 9882950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 9891da177e4SLinus Torvalds { 990686ebf28SUlisses Furquim switch (conn->type) { 991686ebf28SUlisses Furquim case ACL_LINK: 992686ebf28SUlisses Furquim case LE_LINK: 993686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 994686ebf28SUlisses Furquim break; 9951da177e4SLinus Torvalds 996686ebf28SUlisses Furquim case SCO_LINK: 997686ebf28SUlisses Furquim case ESCO_LINK: 998686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 999686ebf28SUlisses Furquim break; 10001da177e4SLinus Torvalds 1001bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 1002bd1eb66bSAndrei Emeltchenko case AMP_LINK: 1003bd1eb66bSAndrei Emeltchenko break; 1004bd1eb66bSAndrei Emeltchenko 1005686ebf28SUlisses Furquim default: 1006686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 1007686ebf28SUlisses Furquim break; 1008686ebf28SUlisses Furquim } 1009e9a416b5SJohan Hedberg 1010e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 1011e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 10121da177e4SLinus Torvalds } 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 10151da177e4SLinus Torvalds { 10168c1b2355SMarcel Holtmann __u8 encrypt; 10178c1b2355SMarcel Holtmann 1018686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1019686ebf28SUlisses Furquim return; 1020686ebf28SUlisses Furquim 102151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 10228c1b2355SMarcel Holtmann return; 10238c1b2355SMarcel Holtmann 10248c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 1025686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1026e9a416b5SJohan Hedberg 1027e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1028e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 10291da177e4SLinus Torvalds } 10301da177e4SLinus Torvalds 10315a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 10325a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 10331da177e4SLinus Torvalds { 1034686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1035686ebf28SUlisses Furquim return; 10361da177e4SLinus Torvalds 1037686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1038e9a416b5SJohan Hedberg 1039e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1040e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 10411da177e4SLinus Torvalds } 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 10441da177e4SLinus Torvalds struct hci_cb { 10451da177e4SLinus Torvalds struct list_head list; 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds char *name; 10481da177e4SLinus Torvalds 10495a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 10505a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 10511da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 10521da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 10531da177e4SLinus Torvalds }; 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 10561da177e4SLinus Torvalds { 1057711584eaSDenis Kirjanov struct hci_cb *cb; 10588c1b2355SMarcel Holtmann __u8 encrypt; 10591da177e4SLinus Torvalds 10601da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 10611da177e4SLinus Torvalds 106251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 10638c1b2355SMarcel Holtmann return; 10648c1b2355SMarcel Holtmann 10658c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 10668c1b2355SMarcel Holtmann 1067f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1068711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10698c1b2355SMarcel Holtmann if (cb->security_cfm) 10708c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10711da177e4SLinus Torvalds } 1072f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10731da177e4SLinus Torvalds } 10741da177e4SLinus Torvalds 10755a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 10765a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 10771da177e4SLinus Torvalds { 1078711584eaSDenis Kirjanov struct hci_cb *cb; 10791da177e4SLinus Torvalds 1080435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1081435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1082435fef20SMarcel Holtmann 108388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 108488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 108588167aedSVinicius Costa Gomes 10869719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 10871da177e4SLinus Torvalds 1088f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1089711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10908c1b2355SMarcel Holtmann if (cb->security_cfm) 10918c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10921da177e4SLinus Torvalds } 1093f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10941da177e4SLinus Torvalds } 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 10971da177e4SLinus Torvalds { 1098711584eaSDenis Kirjanov struct hci_cb *cb; 10991da177e4SLinus Torvalds 1100f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1101711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11021da177e4SLinus Torvalds if (cb->key_change_cfm) 11031da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 11041da177e4SLinus Torvalds } 1105f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11061da177e4SLinus Torvalds } 11071da177e4SLinus Torvalds 11085a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 11095a9d0a3fSWaldemar Rymarkiewicz __u8 role) 11101da177e4SLinus Torvalds { 1111711584eaSDenis Kirjanov struct hci_cb *cb; 11121da177e4SLinus Torvalds 1113f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1114711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 11151da177e4SLinus Torvalds if (cb->role_switch_cfm) 11161da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 11171da177e4SLinus Torvalds } 1118f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 11191da177e4SLinus Torvalds } 11201da177e4SLinus Torvalds 11216759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 11226759a675SJohan Hedberg { 112384d9d071SJohan Hedberg size_t parsed = 0; 11246759a675SJohan Hedberg 11256c0c331eSJohan Hedberg if (data_len < 2) 11266c0c331eSJohan Hedberg return false; 11276c0c331eSJohan Hedberg 112884d9d071SJohan Hedberg while (parsed < data_len - 1) { 112984d9d071SJohan Hedberg u8 field_len = data[0]; 11306759a675SJohan Hedberg 11316759a675SJohan Hedberg if (field_len == 0) 11326759a675SJohan Hedberg break; 11336759a675SJohan Hedberg 11346759a675SJohan Hedberg parsed += field_len + 1; 11356759a675SJohan Hedberg 11366759a675SJohan Hedberg if (parsed > data_len) 11376759a675SJohan Hedberg break; 11386759a675SJohan Hedberg 11396759a675SJohan Hedberg if (data[1] == type) 11406759a675SJohan Hedberg return true; 11416759a675SJohan Hedberg 11426759a675SJohan Hedberg data += field_len + 1; 11436759a675SJohan Hedberg } 11446759a675SJohan Hedberg 11456759a675SJohan Hedberg return false; 11466759a675SJohan Hedberg } 11476759a675SJohan Hedberg 1148301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1149301cb2d8SJohan Hedberg { 1150301cb2d8SJohan Hedberg if (addr_type != 0x01) 1151301cb2d8SJohan Hedberg return false; 1152301cb2d8SJohan Hedberg 1153301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1154301cb2d8SJohan Hedberg return true; 1155301cb2d8SJohan Hedberg 1156301cb2d8SJohan Hedberg return false; 1157301cb2d8SJohan Hedberg } 1158301cb2d8SJohan Hedberg 11592426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 11602426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 11612426f3a5SJohan Hedberg { 11622426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 11632426f3a5SJohan Hedberg return NULL; 11642426f3a5SJohan Hedberg 11652426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 11662426f3a5SJohan Hedberg } 11672426f3a5SJohan Hedberg 11681da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 11691da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 11701da177e4SLinus Torvalds 11713119ae95SJohan Hedberg struct hci_request { 11723119ae95SJohan Hedberg struct hci_dev *hdev; 11733119ae95SJohan Hedberg struct sk_buff_head cmd_q; 11745d73e034SAndre Guedes 11755d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 11765d73e034SAndre Guedes * value is stored in this field. 11775d73e034SAndre Guedes */ 11785d73e034SAndre Guedes int err; 11793119ae95SJohan Hedberg }; 11803119ae95SJohan Hedberg 11813119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 11823119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 118307dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 118407dc93ddSJohan Hedberg const void *param); 118507dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 118607dc93ddSJohan Hedberg const void *param, u8 event); 11879238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 11883119ae95SJohan Hedberg 1189b1efcc28SAndre Guedes void hci_req_add_le_scan_disable(struct hci_request *req); 11908ef30fd3SAndre Guedes void hci_req_add_le_passive_scan(struct hci_request *req); 1191b1efcc28SAndre Guedes 119275e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 119307dc93ddSJohan Hedberg const void *param, u32 timeout); 11947b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 119507dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 119675e84b7cSJohan Hedberg 119707dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 119807dc93ddSJohan Hedberg const void *param); 119973d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 12000d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 12011da177e4SLinus Torvalds 1202a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 12031da177e4SLinus Torvalds 12041da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1205470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1206470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1207cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 12081da177e4SLinus Torvalds 1209040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1210040030efSMarcel Holtmann 12110381101fSJohan Hedberg /* Management interface */ 1212591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1213591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1214591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1215591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1216591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1217591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1218f39799f5SAndre Guedes 12190d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 12200d8cc935SAndre Guedes * Discovery Procedure specification. 12210d8cc935SAndre Guedes */ 12220d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 12230d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 12243d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1225ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 12260d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 12270d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 12280d8cc935SAndre Guedes 12290381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1230bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1231bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 12323eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1233744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1234d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 123586a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1236a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 1237778b235aSJohan Hedberg void mgmt_advertising(struct hci_dev *hdev, u8 advertising); 12384796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1239dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1240745c0ce3SVishal Agarwal bool persistent); 1241ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 124204124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 124304124681SGustavo F. Padovan u8 *dev_class); 12449b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 124512d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 124612d4a3b2SJohan Hedberg bool mgmt_connected); 12477892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 124888c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1249445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 125048264f06SJohan Hedberg u8 addr_type, u8 status); 1251ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1252e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1253c35938b2SSzymon Janc u8 status); 12543eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1255744cf19eSJohan Hedberg u8 status); 1256744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 125739adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1258272d90dfSJohan Hedberg u8 confirm_hint); 1259744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1260272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1261272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1262272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1263272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1264272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1265604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1266272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1267272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1268272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 126992a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 127092a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 127192a25256SJohan Hedberg u8 entered); 1272e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1273bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1274464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 12753e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1276eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 12774e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 12787f9a903cSMarcel Holtmann u8 status); 12797667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 12804d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 12814d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 12824d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1283901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 128473cf71d9SJohan Hedberg u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 128573cf71d9SJohan Hedberg u8 ssp, u8 *eir, u16 eir_len, u8 *scan_rsp, 12865d2e9fadSJohan Hedberg u8 scan_rsp_len); 12879cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1288b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 12892f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 129088c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 129188c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 129253ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 129395fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 129453ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 129553ac6ab6SMarcel Holtmann bool persistent); 12965976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1297f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1298346af67bSVinicius Costa Gomes 12991da177e4SLinus Torvalds /* HCI info for socket */ 13001da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 13011da177e4SLinus Torvalds 13021da177e4SLinus Torvalds struct hci_pinfo { 13031da177e4SLinus Torvalds struct bt_sock bt; 13041da177e4SLinus Torvalds struct hci_dev *hdev; 13051da177e4SLinus Torvalds struct hci_filter filter; 13061da177e4SLinus Torvalds __u32 cmsg_mask; 1307c02178d2SJohan Hedberg unsigned short channel; 13081da177e4SLinus Torvalds }; 13091da177e4SLinus Torvalds 13101da177e4SLinus Torvalds /* HCI security filter */ 13111da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvalds struct hci_sec_filter { 13141da177e4SLinus Torvalds __u32 type_mask; 13151da177e4SLinus Torvalds __u32 event_mask[2]; 13161da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 13171da177e4SLinus Torvalds }; 13181da177e4SLinus Torvalds 13191da177e4SLinus Torvalds /* ----- HCI requests ----- */ 13201da177e4SLinus Torvalds #define HCI_REQ_DONE 0 13211da177e4SLinus Torvalds #define HCI_REQ_PEND 1 13221da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 13231da177e4SLinus Torvalds 1324a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1325a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 13261da177e4SLinus Torvalds 13272ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 13282ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1329fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 1330a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 13312519a1fcSAndre Guedes 133294b1fc92SMarcel Holtmann int hci_update_random_address(struct hci_request *req, bool require_privacy, 133394b1fc92SMarcel Holtmann u8 *own_addr_type); 1334a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1335a1f4c318SJohan Hedberg u8 *bdaddr_type); 1336ebd3a747SJohan Hedberg 13375d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 13385d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 13395d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 13405d4d62f6SFrédéric Dalleau 13411da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1342