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; 711da177e4SLinus Torvalds }; 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds struct hci_conn_hash { 741da177e4SLinus Torvalds struct list_head list; 751da177e4SLinus Torvalds unsigned int acl_num; 76bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 771da177e4SLinus Torvalds unsigned int sco_num; 78fcd89c09SVille Tervo unsigned int le_num; 791da177e4SLinus Torvalds }; 801da177e4SLinus Torvalds 81f0358568SJohan Hedberg struct bdaddr_list { 82f0358568SJohan Hedberg struct list_head list; 83f0358568SJohan Hedberg bdaddr_t bdaddr; 84b9ee0a78SMarcel Holtmann u8 bdaddr_type; 85f0358568SJohan Hedberg }; 862aeb9a1aSJohan Hedberg 872aeb9a1aSJohan Hedberg struct bt_uuid { 882aeb9a1aSJohan Hedberg struct list_head list; 892aeb9a1aSJohan Hedberg u8 uuid[16]; 9083be8ecaSJohan Hedberg u8 size; 911aff6f09SJohan Hedberg u8 svc_hint; 922aeb9a1aSJohan Hedberg }; 932aeb9a1aSJohan Hedberg 94b899efafSVinicius Costa Gomes struct smp_ltk { 95b899efafSVinicius Costa Gomes struct list_head list; 96b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 97b899efafSVinicius Costa Gomes u8 bdaddr_type; 98b899efafSVinicius Costa Gomes u8 authenticated; 99b899efafSVinicius Costa Gomes u8 type; 100b899efafSVinicius Costa Gomes u8 enc_size; 101b899efafSVinicius Costa Gomes __le16 ediv; 102b899efafSVinicius Costa Gomes u8 rand[8]; 103b899efafSVinicius Costa Gomes u8 val[16]; 10403c515d7SMarcel Holtmann }; 105b899efafSVinicius Costa Gomes 10655ed8ca1SJohan Hedberg struct link_key { 10755ed8ca1SJohan Hedberg struct list_head list; 10855ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10955ed8ca1SJohan Hedberg u8 type; 1109b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 11155ed8ca1SJohan Hedberg u8 pin_len; 11255ed8ca1SJohan Hedberg }; 11355ed8ca1SJohan Hedberg 1142763eda6SSzymon Janc struct oob_data { 1152763eda6SSzymon Janc struct list_head list; 1162763eda6SSzymon Janc bdaddr_t bdaddr; 117519ca9d0SMarcel Holtmann u8 hash192[16]; 118519ca9d0SMarcel Holtmann u8 randomizer192[16]; 119519ca9d0SMarcel Holtmann u8 hash256[16]; 120519ca9d0SMarcel Holtmann u8 randomizer256[16]; 1212763eda6SSzymon Janc }; 1222763eda6SSzymon Janc 123490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 124490c5babSJohan Hedberg 125903e4541SAndrei Emeltchenko struct amp_assoc { 126903e4541SAndrei Emeltchenko __u16 len; 127903e4541SAndrei Emeltchenko __u16 offset; 12893c284eeSAndrei Emeltchenko __u16 rem_len; 12993c284eeSAndrei Emeltchenko __u16 len_so_far; 130903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 131903e4541SAndrei Emeltchenko }; 132903e4541SAndrei Emeltchenko 133d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 134cad718edSJohan Hedberg 135cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1361da177e4SLinus Torvalds struct hci_dev { 1371da177e4SLinus Torvalds struct list_head list; 13809fd0de5SGustavo F. Padovan struct mutex lock; 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds char name[8]; 1411da177e4SLinus Torvalds unsigned long flags; 1421da177e4SLinus Torvalds __u16 id; 143c13854ceSMarcel Holtmann __u8 bus; 144943da25dSMarcel Holtmann __u8 dev_type; 1451da177e4SLinus Torvalds bdaddr_t bdaddr; 146d13eafceSMarcel Holtmann bdaddr_t static_addr; 14779830f66SMarcel Holtmann __u8 own_addr_type; 1481f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 149490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 15080a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 151a9de9248SMarcel Holtmann __u8 dev_class[3]; 1521aff6f09SJohan Hedberg __u8 major_class; 1531aff6f09SJohan Hedberg __u8 minor_class; 154d2c5d77fSJohan Hedberg __u8 max_page; 155cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 15660e77321SJohan Hedberg __u8 le_features[8]; 157cf1d081fSJohan Hedberg __u8 le_white_list_size; 1589b008c04SJohan Hedberg __u8 le_states[8]; 159a9de9248SMarcel Holtmann __u8 commands[64]; 1601143e5a6SMarcel Holtmann __u8 hci_ver; 1611143e5a6SMarcel Holtmann __u16 hci_rev; 162d5859e22SJohan Hedberg __u8 lmp_ver; 1631143e5a6SMarcel Holtmann __u16 manufacturer; 1647d69230cSAndrei Emeltchenko __u16 lmp_subver; 1651da177e4SLinus Torvalds __u16 voice_setting; 166b4cb9fb2SMarcel Holtmann __u8 num_iac; 16717fa4b9dSJohan Hedberg __u8 io_capability; 16891c4e9b1SMarcel Holtmann __s8 inq_tx_power; 169f332ec66SJohan Hedberg __u16 page_scan_interval; 170f332ec66SJohan Hedberg __u16 page_scan_window; 171f332ec66SJohan Hedberg __u8 page_scan_type; 172bef64738SMarcel Holtmann __u16 le_scan_interval; 173bef64738SMarcel Holtmann __u16 le_scan_window; 1744e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 1754e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 17606f5b778SMarcel Holtmann __u8 ssp_debug_mode; 177f332ec66SJohan Hedberg 1782b9be137SMarcel Holtmann __u16 devid_source; 1792b9be137SMarcel Holtmann __u16 devid_vendor; 1802b9be137SMarcel Holtmann __u16 devid_product; 1812b9be137SMarcel Holtmann __u16 devid_version; 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds __u16 pkt_type; 1845b7f9909SMarcel Holtmann __u16 esco_type; 1851da177e4SLinus Torvalds __u16 link_policy; 1861da177e4SLinus Torvalds __u16 link_mode; 1871da177e4SLinus Torvalds 18804837f64SMarcel Holtmann __u32 idle_timeout; 18904837f64SMarcel Holtmann __u16 sniff_min_interval; 19004837f64SMarcel Holtmann __u16 sniff_max_interval; 19104837f64SMarcel Holtmann 192928abaa7SAndrei Emeltchenko __u8 amp_status; 193928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 194928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 195928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 196928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 197928abaa7SAndrei Emeltchenko __u8 amp_type; 198928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 199928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 200928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 201928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 202928abaa7SAndrei Emeltchenko 203903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 204903e4541SAndrei Emeltchenko 2051e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2061e89cffbSAndrei Emeltchenko 2079f61656aSJohan Hedberg unsigned int auto_accept_delay; 2089f61656aSJohan Hedberg 2091da177e4SLinus Torvalds unsigned long quirks; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds atomic_t cmd_cnt; 2121da177e4SLinus Torvalds unsigned int acl_cnt; 2131da177e4SLinus Torvalds unsigned int sco_cnt; 2146ed58ec5SVille Tervo unsigned int le_cnt; 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvalds unsigned int acl_mtu; 2171da177e4SLinus Torvalds unsigned int sco_mtu; 2186ed58ec5SVille Tervo unsigned int le_mtu; 2191da177e4SLinus Torvalds unsigned int acl_pkts; 2201da177e4SLinus Torvalds unsigned int sco_pkts; 2216ed58ec5SVille Tervo unsigned int le_pkts; 2221da177e4SLinus Torvalds 223350ee4cfSAndrei Emeltchenko __u16 block_len; 224350ee4cfSAndrei Emeltchenko __u16 block_mtu; 225350ee4cfSAndrei Emeltchenko __u16 num_blocks; 226350ee4cfSAndrei Emeltchenko __u16 block_cnt; 227350ee4cfSAndrei Emeltchenko 2281da177e4SLinus Torvalds unsigned long acl_last_tx; 2291da177e4SLinus Torvalds unsigned long sco_last_tx; 2306ed58ec5SVille Tervo unsigned long le_last_tx; 2311da177e4SLinus Torvalds 232f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2336ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 234f48fd9c8SMarcel Holtmann 235ab81cbf9SJohan Hedberg struct work_struct power_on; 2363243553fSJohan Hedberg struct delayed_work power_off; 237ab81cbf9SJohan Hedberg 23816ab91abSJohan Hedberg __u16 discov_timeout; 23916ab91abSJohan Hedberg struct delayed_work discov_off; 24016ab91abSJohan Hedberg 2417d78525dSJohan Hedberg struct delayed_work service_cache; 2427d78525dSJohan Hedberg 2436bd32326SVille Tervo struct timer_list cmd_timer; 244b78752ccSMarcel Holtmann 245b78752ccSMarcel Holtmann struct work_struct rx_work; 246c347b765SGustavo F. Padovan struct work_struct cmd_work; 2473eff45eaSGustavo F. Padovan struct work_struct tx_work; 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds struct sk_buff_head rx_q; 2501da177e4SLinus Torvalds struct sk_buff_head raw_q; 2511da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2521da177e4SLinus Torvalds 253b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2541da177e4SLinus Torvalds struct sk_buff *sent_cmd; 255cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2561da177e4SLinus Torvalds 257a6a67efdSThomas Gleixner struct mutex req_lock; 2581da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2591da177e4SLinus Torvalds __u32 req_status; 2601da177e4SLinus Torvalds __u32 req_result; 261a5040efaSJohan Hedberg 2622e58ef3eSJohan Hedberg 26330883512SJohan Hedberg struct discovery_state discovery; 2641da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 2655c136e90SAndre Guedes 2665c136e90SAndre Guedes struct list_head mgmt_pending; 267ea4bd8baSDavid Miller struct list_head blacklist; 2682aeb9a1aSJohan Hedberg struct list_head uuids; 26955ed8ca1SJohan Hedberg struct list_head link_keys; 270b899efafSVinicius Costa Gomes struct list_head long_term_keys; 2712763eda6SSzymon Janc struct list_head remote_oob_data; 27215819a70SAndre Guedes struct list_head le_conn_params; 2732763eda6SSzymon Janc 2741da177e4SLinus Torvalds struct hci_dev_stats stat; 2751da177e4SLinus Torvalds 2761da177e4SLinus Torvalds atomic_t promisc; 2771da177e4SLinus Torvalds 278ca325f69SMarcel Holtmann struct dentry *debugfs; 279ca325f69SMarcel Holtmann 280a91f2e39SMarcel Holtmann struct device dev; 2811da177e4SLinus Torvalds 282611b30f7SMarcel Holtmann struct rfkill *rfkill; 283611b30f7SMarcel Holtmann 284d23264a8SAndre Guedes unsigned long dev_flags; 285d23264a8SAndre Guedes 2867ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2877ba8b4beSAndre Guedes 2888fa19098SJohan Hedberg __s8 adv_tx_power; 2893f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2903f0f524bSJohan Hedberg __u8 adv_data_len; 291f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 292f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 2938fa19098SJohan Hedberg 2941da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2951da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2961da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 297f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2987bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 2991da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 3001da177e4SLinus Torvalds }; 3011da177e4SLinus Torvalds 30253502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 30353502d69SAndrei Emeltchenko 3041da177e4SLinus Torvalds struct hci_conn { 3051da177e4SLinus Torvalds struct list_head list; 3061da177e4SLinus Torvalds 3071da177e4SLinus Torvalds atomic_t refcnt; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds bdaddr_t dst; 31029b7988aSAndre Guedes __u8 dst_type; 311662e8820SMarcel Holtmann bdaddr_t src; 312e7c4096eSMarcel Holtmann __u8 src_type; 3131da177e4SLinus Torvalds __u16 handle; 3141da177e4SLinus Torvalds __u16 state; 31504837f64SMarcel Holtmann __u8 mode; 3161da177e4SLinus Torvalds __u8 type; 317a0c808b3SJohan Hedberg bool out; 3184c67bc74SMarcel Holtmann __u8 attempt; 3191da177e4SLinus Torvalds __u8 dev_class[3]; 320cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 321a8746417SMarcel Holtmann __u16 pkt_type; 32204837f64SMarcel Holtmann __u16 link_policy; 3231da177e4SLinus Torvalds __u32 link_mode; 32413d39315SWaldemar Rymarkiewicz __u8 key_type; 32540be492fSMarcel Holtmann __u8 auth_type; 3268c1b2355SMarcel Holtmann __u8 sec_level; 327765c2a96SJohan Hedberg __u8 pending_sec_level; 328980e1a53SJohan Hedberg __u8 pin_length; 329726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 33017fa4b9dSJohan Hedberg __u8 io_capability; 33192a25256SJohan Hedberg __u32 passkey_notify; 33292a25256SJohan Hedberg __u8 passkey_entered; 333052b30b0SMarcel Holtmann __u16 disc_timeout; 33410c62ddcSFrédéric Dalleau __u16 setting; 3351e406eefSAndre Guedes __u16 le_conn_min_interval; 3361e406eefSAndre Guedes __u16 le_conn_max_interval; 33751a8efd7SJohan Hedberg unsigned long flags; 3381da177e4SLinus Torvalds 33903b555e1SJohan Hedberg __u8 remote_cap; 34003b555e1SJohan Hedberg __u8 remote_auth; 3413161ae1cSAndrei Emeltchenko __u8 remote_id; 3426ec5bcadSVishal Agarwal bool flush_key; 34303b555e1SJohan Hedberg 3441da177e4SLinus Torvalds unsigned int sent; 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds struct sk_buff_head data_q; 3472c33c06aSGustavo F. Padovan struct list_head chan_list; 3481da177e4SLinus Torvalds 34919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 3507bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 351a74a84f6SJohan Hedberg struct delayed_work idle_work; 3521da177e4SLinus Torvalds 353b219e3acSMarcel Holtmann struct device dev; 354b219e3acSMarcel Holtmann 3551da177e4SLinus Torvalds struct hci_dev *hdev; 3561da177e4SLinus Torvalds void *l2cap_data; 3571da177e4SLinus Torvalds void *sco_data; 3582b64d153SBrian Gix void *smp_conn; 3599740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds struct hci_conn *link; 362e9a416b5SJohan Hedberg 363e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 364e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 365e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3661da177e4SLinus Torvalds }; 3671da177e4SLinus Torvalds 36873d80debSLuiz Augusto von Dentz struct hci_chan { 36973d80debSLuiz Augusto von Dentz struct list_head list; 37042c4e53eSAndrei Emeltchenko __u16 handle; 37173d80debSLuiz Augusto von Dentz struct hci_conn *conn; 37273d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 37373d80debSLuiz Augusto von Dentz unsigned int sent; 374168df8e5SMat Martineau __u8 state; 37573d80debSLuiz Augusto von Dentz }; 37673d80debSLuiz Augusto von Dentz 37715819a70SAndre Guedes struct hci_conn_params { 37815819a70SAndre Guedes struct list_head list; 37915819a70SAndre Guedes 38015819a70SAndre Guedes bdaddr_t addr; 38115819a70SAndre Guedes u8 addr_type; 38215819a70SAndre Guedes 38315819a70SAndre Guedes u16 conn_min_interval; 38415819a70SAndre Guedes u16 conn_max_interval; 38515819a70SAndre Guedes }; 38615819a70SAndre Guedes 3871da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3881da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3891da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3901da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3911da177e4SLinus Torvalds 392686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 393e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 394e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 395e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 396e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 397e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 398e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 399686ebf28SUlisses Furquim 400e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 401e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 402e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 403e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 404686ebf28SUlisses Furquim 4051da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 40670f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 40770f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 4081da177e4SLinus Torvalds 40930883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 4101da177e4SLinus Torvalds { 411ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 41230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 41330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 41430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4151da177e4SLinus Torvalds } 4161da177e4SLinus Torvalds 41730dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 41830dc78e1SJohan Hedberg 419ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 420ff9ef578SJohan Hedberg 4211da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4221da177e4SLinus Torvalds { 42330883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4241da177e4SLinus Torvalds } 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4271da177e4SLinus Torvalds { 42830883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4291da177e4SLinus Torvalds return jiffies - c->timestamp; 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4331da177e4SLinus Torvalds { 4341da177e4SLinus Torvalds return jiffies - e->timestamp; 4351da177e4SLinus Torvalds } 4361da177e4SLinus Torvalds 4375a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4385a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 439561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 440561aafbcSJohan Hedberg bdaddr_t *bdaddr); 44130dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 44230dc78e1SJohan Hedberg bdaddr_t *bdaddr, 44330dc78e1SJohan Hedberg int state); 444a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 445a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4463175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 447388fc8faSJohan Hedberg bool name_known, bool *ssp); 4481f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4511da177e4SLinus Torvalds enum { 4521da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 45319f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4541da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 45504837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 45604837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 457e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 458d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 459b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 46058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 461eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 462abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 46358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 46458a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 46518722c24SJukka Rissanen HCI_CONN_6LOWPAN, 4661da177e4SLinus Torvalds }; 4671da177e4SLinus Torvalds 468aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 469aa64a8b5SJohan Hedberg { 470aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 471c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 472c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 473aa64a8b5SJohan Hedberg } 474aa64a8b5SJohan Hedberg 475eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 476eb9a8f3fSMarcel Holtmann { 477eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 478eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 479eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 480eb9a8f3fSMarcel Holtmann } 481eb9a8f3fSMarcel Holtmann 4821da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4831da177e4SLinus Torvalds { 4841da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 485bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 486fcd89c09SVille Tervo switch (c->type) { 487fcd89c09SVille Tervo case ACL_LINK: 4881da177e4SLinus Torvalds h->acl_num++; 489fcd89c09SVille Tervo break; 490bd1eb66bSAndrei Emeltchenko case AMP_LINK: 491bd1eb66bSAndrei Emeltchenko h->amp_num++; 492bd1eb66bSAndrei Emeltchenko break; 493fcd89c09SVille Tervo case LE_LINK: 494fcd89c09SVille Tervo h->le_num++; 495fcd89c09SVille Tervo break; 496fcd89c09SVille Tervo case SCO_LINK: 497fcd89c09SVille Tervo case ESCO_LINK: 4981da177e4SLinus Torvalds h->sco_num++; 499fcd89c09SVille Tervo break; 500fcd89c09SVille Tervo } 5011da177e4SLinus Torvalds } 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 5041da177e4SLinus Torvalds { 5051da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 506bf4c6325SGustavo F. Padovan 507bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 508bf4c6325SGustavo F. Padovan synchronize_rcu(); 509bf4c6325SGustavo F. Padovan 510fcd89c09SVille Tervo switch (c->type) { 511fcd89c09SVille Tervo case ACL_LINK: 5121da177e4SLinus Torvalds h->acl_num--; 513fcd89c09SVille Tervo break; 514bd1eb66bSAndrei Emeltchenko case AMP_LINK: 515bd1eb66bSAndrei Emeltchenko h->amp_num--; 516bd1eb66bSAndrei Emeltchenko break; 517fcd89c09SVille Tervo case LE_LINK: 518fcd89c09SVille Tervo h->le_num--; 519fcd89c09SVille Tervo break; 520fcd89c09SVille Tervo case SCO_LINK: 521fcd89c09SVille Tervo case ESCO_LINK: 5221da177e4SLinus Torvalds h->sco_num--; 523fcd89c09SVille Tervo break; 524fcd89c09SVille Tervo } 5251da177e4SLinus Torvalds } 5261da177e4SLinus Torvalds 52752087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 52852087a79SLuiz Augusto von Dentz { 52952087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 53052087a79SLuiz Augusto von Dentz switch (type) { 53152087a79SLuiz Augusto von Dentz case ACL_LINK: 53252087a79SLuiz Augusto von Dentz return h->acl_num; 533bd1eb66bSAndrei Emeltchenko case AMP_LINK: 534bd1eb66bSAndrei Emeltchenko return h->amp_num; 53552087a79SLuiz Augusto von Dentz case LE_LINK: 53652087a79SLuiz Augusto von Dentz return h->le_num; 53752087a79SLuiz Augusto von Dentz case SCO_LINK: 53852087a79SLuiz Augusto von Dentz case ESCO_LINK: 53952087a79SLuiz Augusto von Dentz return h->sco_num; 54052087a79SLuiz Augusto von Dentz default: 54152087a79SLuiz Augusto von Dentz return 0; 54252087a79SLuiz Augusto von Dentz } 54352087a79SLuiz Augusto von Dentz } 54452087a79SLuiz Augusto von Dentz 5451da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5461da177e4SLinus Torvalds __u16 handle) 5471da177e4SLinus Torvalds { 5481da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5491da177e4SLinus Torvalds struct hci_conn *c; 5501da177e4SLinus Torvalds 551bf4c6325SGustavo F. Padovan rcu_read_lock(); 552bf4c6325SGustavo F. Padovan 553bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 554bf4c6325SGustavo F. Padovan if (c->handle == handle) { 555bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5561da177e4SLinus Torvalds return c; 5571da177e4SLinus Torvalds } 558bf4c6325SGustavo F. Padovan } 559bf4c6325SGustavo F. Padovan rcu_read_unlock(); 560bf4c6325SGustavo F. Padovan 5611da177e4SLinus Torvalds return NULL; 5621da177e4SLinus Torvalds } 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5651da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5661da177e4SLinus Torvalds { 5671da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5681da177e4SLinus Torvalds struct hci_conn *c; 5691da177e4SLinus Torvalds 570bf4c6325SGustavo F. Padovan rcu_read_lock(); 571bf4c6325SGustavo F. Padovan 572bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 573bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 574bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5751da177e4SLinus Torvalds return c; 5761da177e4SLinus Torvalds } 577bf4c6325SGustavo F. Padovan } 578bf4c6325SGustavo F. Padovan 579bf4c6325SGustavo F. Padovan rcu_read_unlock(); 580bf4c6325SGustavo F. Padovan 5811da177e4SLinus Torvalds return NULL; 5821da177e4SLinus Torvalds } 5831da177e4SLinus Torvalds 5844c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5854c67bc74SMarcel Holtmann __u8 type, __u16 state) 5864c67bc74SMarcel Holtmann { 5874c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5884c67bc74SMarcel Holtmann struct hci_conn *c; 5894c67bc74SMarcel Holtmann 590bf4c6325SGustavo F. Padovan rcu_read_lock(); 591bf4c6325SGustavo F. Padovan 592bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 593bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 594bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5954c67bc74SMarcel Holtmann return c; 5964c67bc74SMarcel Holtmann } 597bf4c6325SGustavo F. Padovan } 598bf4c6325SGustavo F. Padovan 599bf4c6325SGustavo F. Padovan rcu_read_unlock(); 600bf4c6325SGustavo F. Padovan 6014c67bc74SMarcel Holtmann return NULL; 6024c67bc74SMarcel Holtmann } 6034c67bc74SMarcel Holtmann 604bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 6052dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 606e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 6071da177e4SLinus Torvalds 6081da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 6091da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 6101da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 611a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 6121da177e4SLinus Torvalds 61373d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 6149472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 6152c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 61642c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 61773d80debSLuiz Augusto von Dentz 6185a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 619b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 62010c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 62110c62ddcSFrédéric Dalleau __u16 setting); 622e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 623b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 6240684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6251da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6268c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6271da177e4SLinus Torvalds 62814b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6291da177e4SLinus Torvalds 6308d12356fSDavid Herrmann /* 6318d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6328d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6338d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6348d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6358d12356fSDavid Herrmann * other constant data. 6368d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6378d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6388d12356fSDavid Herrmann * get dropped, though. 6398d12356fSDavid Herrmann * 6408d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6418d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6428d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6438d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6448d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6458d12356fSDavid Herrmann * hci_conn_add()). 6468d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6478d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6488d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6498d12356fSDavid Herrmann */ 6508d12356fSDavid Herrmann 6518d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6528d12356fSDavid Herrmann { 6538d12356fSDavid Herrmann get_device(&conn->dev); 6548d12356fSDavid Herrmann } 6558d12356fSDavid Herrmann 6568d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6578d12356fSDavid Herrmann { 6588d12356fSDavid Herrmann put_device(&conn->dev); 6598d12356fSDavid Herrmann } 6608d12356fSDavid Herrmann 6611da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6621da177e4SLinus Torvalds { 66371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 66438b3fef1SAndrei Emeltchenko 6651da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6662f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6671da177e4SLinus Torvalds } 6681da177e4SLinus Torvalds 66976a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6701da177e4SLinus Torvalds { 67171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 67238b3fef1SAndrei Emeltchenko 6731da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 67404837f64SMarcel Holtmann unsigned long timeo; 675716e4ab5SAndrei Emeltchenko 676716e4ab5SAndrei Emeltchenko switch (conn->type) { 677716e4ab5SAndrei Emeltchenko case ACL_LINK: 678716e4ab5SAndrei Emeltchenko case LE_LINK: 679a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 6806ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6815f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 68204837f64SMarcel Holtmann if (!conn->out) 683052b30b0SMarcel Holtmann timeo *= 2; 6845a9d0a3fSWaldemar Rymarkiewicz } else { 6856ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6865a9d0a3fSWaldemar Rymarkiewicz } 687716e4ab5SAndrei Emeltchenko break; 688716e4ab5SAndrei Emeltchenko 689716e4ab5SAndrei Emeltchenko case AMP_LINK: 690716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 691716e4ab5SAndrei Emeltchenko break; 692716e4ab5SAndrei Emeltchenko 693716e4ab5SAndrei Emeltchenko default: 69404837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 695716e4ab5SAndrei Emeltchenko break; 6965a9d0a3fSWaldemar Rymarkiewicz } 697716e4ab5SAndrei Emeltchenko 6982f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 69919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 7001931782bSVinicius Costa Gomes &conn->disc_work, timeo); 7011da177e4SLinus Torvalds } 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 705dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 7061da177e4SLinus Torvalds { 707376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 708376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 709376261aeSAndrei Emeltchenko 7104c724c71SDavid Herrmann put_device(&d->dev); 711010666a1SDavid Herrmann } 7121da177e4SLinus Torvalds 713dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 7141da177e4SLinus Torvalds { 715376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 716376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 717376261aeSAndrei Emeltchenko 7184c724c71SDavid Herrmann get_device(&d->dev); 7191da177e4SLinus Torvalds return d; 7201da177e4SLinus Torvalds } 7211da177e4SLinus Torvalds 72209fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 72309fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 7241da177e4SLinus Torvalds 725aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7263dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 727aa2b86d7SDavid Herrmann 728155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 729155961e8SDavid Herrmann { 730155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 731155961e8SDavid Herrmann } 732155961e8SDavid Herrmann 733155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 734155961e8SDavid Herrmann { 735155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 736155961e8SDavid Herrmann } 737155961e8SDavid Herrmann 7381da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7390c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7421da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7431da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 74459735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7451da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7461da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7471da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7481da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7491da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7501da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7511da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7521da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7531da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7541da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7551da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 75640be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7571da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7581da177e4SLinus Torvalds 759c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 760b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 761f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 76288c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 76388c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 764f0358568SJohan Hedberg 76515819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 76615819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 76715819a70SAndre Guedes void hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, 76815819a70SAndre Guedes u16 conn_min_interval, u16 conn_max_interval); 76915819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 77015819a70SAndre Guedes void hci_conn_params_clear(struct hci_dev *hdev); 77115819a70SAndre Guedes 7722aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7732aeb9a1aSJohan Hedberg 77455ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 77555ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 776d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 777d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 77898a0b845SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8], 77998a0b845SJohan Hedberg bool master); 780c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7819a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7829a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 783c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 78498a0b845SJohan Hedberg u8 addr_type, bool master); 785b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 786b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 78755ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 78855ed8ca1SJohan Hedberg 7892763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7902763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7912763eda6SSzymon Janc bdaddr_t *bdaddr); 7920798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 7930798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 7940798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 7950798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 7960798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 7972763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7982763eda6SSzymon Janc 7991da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 8001da177e4SLinus Torvalds 801e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 802ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 80399811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 804ef222013SMarcel Holtmann 8050ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 806a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 807b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 808b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 8091da177e4SLinus Torvalds 8106935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 813cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 814cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 815cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 816cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 817cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 818cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 819cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 820cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 821cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 822cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 823cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 824cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 825cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 826cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 827cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 828cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 829cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 830cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 83107a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 8321da177e4SLinus Torvalds 833eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 83453b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 83553b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 83653b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 83753b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 838d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 839d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 84053b834d2SMarcel Holtmann 84153b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 842cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 843d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 844cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 845cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 846eead27daSAndre Guedes 8471da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 84820714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 84920714bfeSFrédéric Dalleau 8505a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 85120714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8521da177e4SLinus Torvalds { 853686ebf28SUlisses Furquim switch (type) { 854686ebf28SUlisses Furquim case ACL_LINK: 855686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8561da177e4SLinus Torvalds 857686ebf28SUlisses Furquim case SCO_LINK: 858686ebf28SUlisses Furquim case ESCO_LINK: 85920714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8601da177e4SLinus Torvalds 861686ebf28SUlisses Furquim default: 862686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 863686ebf28SUlisses Furquim return -EINVAL; 864686ebf28SUlisses Furquim } 8651da177e4SLinus Torvalds } 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8681da177e4SLinus Torvalds { 869686ebf28SUlisses Furquim switch (conn->type) { 870686ebf28SUlisses Furquim case ACL_LINK: 871686ebf28SUlisses Furquim case LE_LINK: 872686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 873686ebf28SUlisses Furquim break; 8741da177e4SLinus Torvalds 875686ebf28SUlisses Furquim case SCO_LINK: 876686ebf28SUlisses Furquim case ESCO_LINK: 877686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 878686ebf28SUlisses Furquim break; 8791da177e4SLinus Torvalds 880686ebf28SUlisses Furquim default: 881686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 882686ebf28SUlisses Furquim break; 883686ebf28SUlisses Furquim } 884e9a416b5SJohan Hedberg 885e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 886e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8871da177e4SLinus Torvalds } 8881da177e4SLinus Torvalds 8892950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8902950f21aSMarcel Holtmann { 891686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 892686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8932950f21aSMarcel Holtmann 894686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8952950f21aSMarcel Holtmann } 8962950f21aSMarcel Holtmann 8972950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8981da177e4SLinus Torvalds { 899686ebf28SUlisses Furquim switch (conn->type) { 900686ebf28SUlisses Furquim case ACL_LINK: 901686ebf28SUlisses Furquim case LE_LINK: 902686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 903686ebf28SUlisses Furquim break; 9041da177e4SLinus Torvalds 905686ebf28SUlisses Furquim case SCO_LINK: 906686ebf28SUlisses Furquim case ESCO_LINK: 907686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 908686ebf28SUlisses Furquim break; 9091da177e4SLinus Torvalds 910bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 911bd1eb66bSAndrei Emeltchenko case AMP_LINK: 912bd1eb66bSAndrei Emeltchenko break; 913bd1eb66bSAndrei Emeltchenko 914686ebf28SUlisses Furquim default: 915686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 916686ebf28SUlisses Furquim break; 917686ebf28SUlisses Furquim } 918e9a416b5SJohan Hedberg 919e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 920e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 9211da177e4SLinus Torvalds } 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 9241da177e4SLinus Torvalds { 9258c1b2355SMarcel Holtmann __u8 encrypt; 9268c1b2355SMarcel Holtmann 927686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 928686ebf28SUlisses Furquim return; 929686ebf28SUlisses Furquim 93051a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9318c1b2355SMarcel Holtmann return; 9328c1b2355SMarcel Holtmann 9338c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 934686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 935e9a416b5SJohan Hedberg 936e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 937e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9381da177e4SLinus Torvalds } 9391da177e4SLinus Torvalds 9405a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 9415a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9421da177e4SLinus Torvalds { 943686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 944686ebf28SUlisses Furquim return; 9451da177e4SLinus Torvalds 946686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 947e9a416b5SJohan Hedberg 948e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 949e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9501da177e4SLinus Torvalds } 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9531da177e4SLinus Torvalds struct hci_cb { 9541da177e4SLinus Torvalds struct list_head list; 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvalds char *name; 9571da177e4SLinus Torvalds 9585a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9595a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9601da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9611da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9621da177e4SLinus Torvalds }; 9631da177e4SLinus Torvalds 9641da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9651da177e4SLinus Torvalds { 966711584eaSDenis Kirjanov struct hci_cb *cb; 9678c1b2355SMarcel Holtmann __u8 encrypt; 9681da177e4SLinus Torvalds 9691da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9701da177e4SLinus Torvalds 97151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9728c1b2355SMarcel Holtmann return; 9738c1b2355SMarcel Holtmann 9748c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9758c1b2355SMarcel Holtmann 976f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 977711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9788c1b2355SMarcel Holtmann if (cb->security_cfm) 9798c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9801da177e4SLinus Torvalds } 981f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9821da177e4SLinus Torvalds } 9831da177e4SLinus Torvalds 9845a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9855a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9861da177e4SLinus Torvalds { 987711584eaSDenis Kirjanov struct hci_cb *cb; 9881da177e4SLinus Torvalds 989435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 990435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 991435fef20SMarcel Holtmann 99288167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 99388167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 99488167aedSVinicius Costa Gomes 9959719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9961da177e4SLinus Torvalds 997f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 998711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9998c1b2355SMarcel Holtmann if (cb->security_cfm) 10008c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10011da177e4SLinus Torvalds } 1002f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10031da177e4SLinus Torvalds } 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 10061da177e4SLinus Torvalds { 1007711584eaSDenis Kirjanov struct hci_cb *cb; 10081da177e4SLinus Torvalds 1009f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1010711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10111da177e4SLinus Torvalds if (cb->key_change_cfm) 10121da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 10131da177e4SLinus Torvalds } 1014f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds 10175a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 10185a9d0a3fSWaldemar Rymarkiewicz __u8 role) 10191da177e4SLinus Torvalds { 1020711584eaSDenis Kirjanov struct hci_cb *cb; 10211da177e4SLinus Torvalds 1022f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1023711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10241da177e4SLinus Torvalds if (cb->role_switch_cfm) 10251da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 10261da177e4SLinus Torvalds } 1027f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10281da177e4SLinus Torvalds } 10291da177e4SLinus Torvalds 10306759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 10316759a675SJohan Hedberg { 103284d9d071SJohan Hedberg size_t parsed = 0; 10336759a675SJohan Hedberg 10346c0c331eSJohan Hedberg if (data_len < 2) 10356c0c331eSJohan Hedberg return false; 10366c0c331eSJohan Hedberg 103784d9d071SJohan Hedberg while (parsed < data_len - 1) { 103884d9d071SJohan Hedberg u8 field_len = data[0]; 10396759a675SJohan Hedberg 10406759a675SJohan Hedberg if (field_len == 0) 10416759a675SJohan Hedberg break; 10426759a675SJohan Hedberg 10436759a675SJohan Hedberg parsed += field_len + 1; 10446759a675SJohan Hedberg 10456759a675SJohan Hedberg if (parsed > data_len) 10466759a675SJohan Hedberg break; 10476759a675SJohan Hedberg 10486759a675SJohan Hedberg if (data[1] == type) 10496759a675SJohan Hedberg return true; 10506759a675SJohan Hedberg 10516759a675SJohan Hedberg data += field_len + 1; 10526759a675SJohan Hedberg } 10536759a675SJohan Hedberg 10546759a675SJohan Hedberg return false; 10556759a675SJohan Hedberg } 10566759a675SJohan Hedberg 10571da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10581da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10591da177e4SLinus Torvalds 10603119ae95SJohan Hedberg struct hci_request { 10613119ae95SJohan Hedberg struct hci_dev *hdev; 10623119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10635d73e034SAndre Guedes 10645d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10655d73e034SAndre Guedes * value is stored in this field. 10665d73e034SAndre Guedes */ 10675d73e034SAndre Guedes int err; 10683119ae95SJohan Hedberg }; 10693119ae95SJohan Hedberg 10703119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10713119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 107207dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 107307dc93ddSJohan Hedberg const void *param); 107407dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 107507dc93ddSJohan Hedberg const void *param, u8 event); 10769238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10773119ae95SJohan Hedberg 107875e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 107907dc93ddSJohan Hedberg const void *param, u32 timeout); 10807b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 108107dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 108275e84b7cSJohan Hedberg 108307dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 108407dc93ddSJohan Hedberg const void *param); 108573d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10860d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10871da177e4SLinus Torvalds 1088a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10891da177e4SLinus Torvalds 10901da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1091470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1092470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1093cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10941da177e4SLinus Torvalds 1095040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1096040030efSMarcel Holtmann 10970381101fSJohan Hedberg /* Management interface */ 1098591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1099591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1100591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1101591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1102591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1103591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1104f39799f5SAndre Guedes 11050d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 11060d8cc935SAndre Guedes * Discovery Procedure specification. 11070d8cc935SAndre Guedes */ 11080d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 11090d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 11100d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 11110d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 11120d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 11130d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 11140d8cc935SAndre Guedes 11150381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1116bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1117bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 11183eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1119744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1120d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 112186a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1122a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 11234796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1124dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1125745c0ce3SVishal Agarwal bool persistent); 1126ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 112704124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 112804124681SGustavo F. Padovan u8 *dev_class); 11299b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1130f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 11317892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 113288c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1133445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 113448264f06SJohan Hedberg u8 addr_type, u8 status); 1135ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1136e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1137c35938b2SSzymon Janc u8 status); 11383eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1139744cf19eSJohan Hedberg u8 status); 1140744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1141272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1142272d90dfSJohan Hedberg u8 confirm_hint); 1143744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1144272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1145272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1146272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1147272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1148272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1149604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1150272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1151272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1152272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 115392a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 115492a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 115592a25256SJohan Hedberg u8 entered); 1156e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1157bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1158464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 11593e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1160eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11614e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11627f9a903cSMarcel Holtmann u8 status); 11637667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 11644d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 11654d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 11664d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1167901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 116804124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 116904124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11709cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1171b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 11722f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 117388c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 117488c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1175083368f7SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11765976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1177346af67bSVinicius Costa Gomes 11781da177e4SLinus Torvalds /* HCI info for socket */ 11791da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11801da177e4SLinus Torvalds 11811da177e4SLinus Torvalds struct hci_pinfo { 11821da177e4SLinus Torvalds struct bt_sock bt; 11831da177e4SLinus Torvalds struct hci_dev *hdev; 11841da177e4SLinus Torvalds struct hci_filter filter; 11851da177e4SLinus Torvalds __u32 cmsg_mask; 1186c02178d2SJohan Hedberg unsigned short channel; 11871da177e4SLinus Torvalds }; 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvalds /* HCI security filter */ 11901da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvalds struct hci_sec_filter { 11931da177e4SLinus Torvalds __u32 type_mask; 11941da177e4SLinus Torvalds __u32 event_mask[2]; 11951da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11961da177e4SLinus Torvalds }; 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11991da177e4SLinus Torvalds #define HCI_REQ_DONE 0 12001da177e4SLinus Torvalds #define HCI_REQ_PEND 1 12011da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 12021da177e4SLinus Torvalds 1203a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1204a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 12051da177e4SLinus Torvalds 12062ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 12072ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1208a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1209a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 12102519a1fcSAndre Guedes 12115d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 12125d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 12135d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 12145d4d62f6SFrédéric Dalleau 12151da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1216