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]; 104b899efafSVinicius Costa Gomes } __packed; 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; 2722763eda6SSzymon Janc 2731da177e4SLinus Torvalds struct hci_dev_stats stat; 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds atomic_t promisc; 2761da177e4SLinus Torvalds 277ca325f69SMarcel Holtmann struct dentry *debugfs; 278ca325f69SMarcel Holtmann 279a91f2e39SMarcel Holtmann struct device dev; 2801da177e4SLinus Torvalds 281611b30f7SMarcel Holtmann struct rfkill *rfkill; 282611b30f7SMarcel Holtmann 283d23264a8SAndre Guedes unsigned long dev_flags; 284d23264a8SAndre Guedes 2857ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2867ba8b4beSAndre Guedes 2878fa19098SJohan Hedberg __s8 adv_tx_power; 2883f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2893f0f524bSJohan Hedberg __u8 adv_data_len; 290f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 291f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 2928fa19098SJohan Hedberg 2931da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2941da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2951da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 296f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2977bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 2981da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2991da177e4SLinus Torvalds }; 3001da177e4SLinus Torvalds 30153502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 30253502d69SAndrei Emeltchenko 3031da177e4SLinus Torvalds struct hci_conn { 3041da177e4SLinus Torvalds struct list_head list; 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds atomic_t refcnt; 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds bdaddr_t dst; 30929b7988aSAndre Guedes __u8 dst_type; 310662e8820SMarcel Holtmann bdaddr_t src; 311e7c4096eSMarcel Holtmann __u8 src_type; 3121da177e4SLinus Torvalds __u16 handle; 3131da177e4SLinus Torvalds __u16 state; 31404837f64SMarcel Holtmann __u8 mode; 3151da177e4SLinus Torvalds __u8 type; 316a0c808b3SJohan Hedberg bool out; 3174c67bc74SMarcel Holtmann __u8 attempt; 3181da177e4SLinus Torvalds __u8 dev_class[3]; 319cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 320a8746417SMarcel Holtmann __u16 pkt_type; 32104837f64SMarcel Holtmann __u16 link_policy; 3221da177e4SLinus Torvalds __u32 link_mode; 32313d39315SWaldemar Rymarkiewicz __u8 key_type; 32440be492fSMarcel Holtmann __u8 auth_type; 3258c1b2355SMarcel Holtmann __u8 sec_level; 326765c2a96SJohan Hedberg __u8 pending_sec_level; 327980e1a53SJohan Hedberg __u8 pin_length; 328726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 32917fa4b9dSJohan Hedberg __u8 io_capability; 33092a25256SJohan Hedberg __u32 passkey_notify; 33192a25256SJohan Hedberg __u8 passkey_entered; 332052b30b0SMarcel Holtmann __u16 disc_timeout; 33310c62ddcSFrédéric Dalleau __u16 setting; 3341e406eefSAndre Guedes __u16 le_conn_min_interval; 3351e406eefSAndre Guedes __u16 le_conn_max_interval; 33651a8efd7SJohan Hedberg unsigned long flags; 3371da177e4SLinus Torvalds 33803b555e1SJohan Hedberg __u8 remote_cap; 33903b555e1SJohan Hedberg __u8 remote_auth; 3403161ae1cSAndrei Emeltchenko __u8 remote_id; 3416ec5bcadSVishal Agarwal bool flush_key; 34203b555e1SJohan Hedberg 3431da177e4SLinus Torvalds unsigned int sent; 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds struct sk_buff_head data_q; 3462c33c06aSGustavo F. Padovan struct list_head chan_list; 3471da177e4SLinus Torvalds 34819c40e3bSGustavo F. Padovan struct delayed_work disc_work; 3497bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 350a74a84f6SJohan Hedberg struct delayed_work idle_work; 3511da177e4SLinus Torvalds 352b219e3acSMarcel Holtmann struct device dev; 353b219e3acSMarcel Holtmann 3541da177e4SLinus Torvalds struct hci_dev *hdev; 3551da177e4SLinus Torvalds void *l2cap_data; 3561da177e4SLinus Torvalds void *sco_data; 3572b64d153SBrian Gix void *smp_conn; 3589740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds struct hci_conn *link; 361e9a416b5SJohan Hedberg 362e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 363e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 364e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3651da177e4SLinus Torvalds }; 3661da177e4SLinus Torvalds 36773d80debSLuiz Augusto von Dentz struct hci_chan { 36873d80debSLuiz Augusto von Dentz struct list_head list; 36942c4e53eSAndrei Emeltchenko __u16 handle; 37073d80debSLuiz Augusto von Dentz struct hci_conn *conn; 37173d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 37273d80debSLuiz Augusto von Dentz unsigned int sent; 373168df8e5SMat Martineau __u8 state; 37473d80debSLuiz Augusto von Dentz }; 37573d80debSLuiz Augusto von Dentz 3761da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3771da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3781da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3791da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3801da177e4SLinus Torvalds 381686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 382e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 383e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 384e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 385e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 386e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 387e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 388686ebf28SUlisses Furquim 389e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 390e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 391e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 392e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 393686ebf28SUlisses Furquim 3941da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 39570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 39670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3971da177e4SLinus Torvalds 39830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3991da177e4SLinus Torvalds { 400ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 40130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 40230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 40330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4041da177e4SLinus Torvalds } 4051da177e4SLinus Torvalds 40630dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 40730dc78e1SJohan Hedberg 408ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 409ff9ef578SJohan Hedberg 4101da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4111da177e4SLinus Torvalds { 41230883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4131da177e4SLinus Torvalds } 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4161da177e4SLinus Torvalds { 41730883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4181da177e4SLinus Torvalds return jiffies - c->timestamp; 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds return jiffies - e->timestamp; 4241da177e4SLinus Torvalds } 4251da177e4SLinus Torvalds 4265a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4275a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 428561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 429561aafbcSJohan Hedberg bdaddr_t *bdaddr); 43030dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 43130dc78e1SJohan Hedberg bdaddr_t *bdaddr, 43230dc78e1SJohan Hedberg int state); 433a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 434a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4353175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 436388fc8faSJohan Hedberg bool name_known, bool *ssp); 4371f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4381da177e4SLinus Torvalds 4391da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4401da177e4SLinus Torvalds enum { 4411da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 44219f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4431da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 44404837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 44504837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 446e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 447d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 448b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 44958a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 450eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 45158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 45258a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 45318722c24SJukka Rissanen HCI_CONN_6LOWPAN, 4541da177e4SLinus Torvalds }; 4551da177e4SLinus Torvalds 456aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 457aa64a8b5SJohan Hedberg { 458aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 459c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 460c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 461aa64a8b5SJohan Hedberg } 462aa64a8b5SJohan Hedberg 463eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 464eb9a8f3fSMarcel Holtmann { 465eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 466eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 467eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 468eb9a8f3fSMarcel Holtmann } 469eb9a8f3fSMarcel Holtmann 4701da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4711da177e4SLinus Torvalds { 4721da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 473bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 474fcd89c09SVille Tervo switch (c->type) { 475fcd89c09SVille Tervo case ACL_LINK: 4761da177e4SLinus Torvalds h->acl_num++; 477fcd89c09SVille Tervo break; 478bd1eb66bSAndrei Emeltchenko case AMP_LINK: 479bd1eb66bSAndrei Emeltchenko h->amp_num++; 480bd1eb66bSAndrei Emeltchenko break; 481fcd89c09SVille Tervo case LE_LINK: 482fcd89c09SVille Tervo h->le_num++; 483fcd89c09SVille Tervo break; 484fcd89c09SVille Tervo case SCO_LINK: 485fcd89c09SVille Tervo case ESCO_LINK: 4861da177e4SLinus Torvalds h->sco_num++; 487fcd89c09SVille Tervo break; 488fcd89c09SVille Tervo } 4891da177e4SLinus Torvalds } 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4921da177e4SLinus Torvalds { 4931da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 494bf4c6325SGustavo F. Padovan 495bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 496bf4c6325SGustavo F. Padovan synchronize_rcu(); 497bf4c6325SGustavo F. Padovan 498fcd89c09SVille Tervo switch (c->type) { 499fcd89c09SVille Tervo case ACL_LINK: 5001da177e4SLinus Torvalds h->acl_num--; 501fcd89c09SVille Tervo break; 502bd1eb66bSAndrei Emeltchenko case AMP_LINK: 503bd1eb66bSAndrei Emeltchenko h->amp_num--; 504bd1eb66bSAndrei Emeltchenko break; 505fcd89c09SVille Tervo case LE_LINK: 506fcd89c09SVille Tervo h->le_num--; 507fcd89c09SVille Tervo break; 508fcd89c09SVille Tervo case SCO_LINK: 509fcd89c09SVille Tervo case ESCO_LINK: 5101da177e4SLinus Torvalds h->sco_num--; 511fcd89c09SVille Tervo break; 512fcd89c09SVille Tervo } 5131da177e4SLinus Torvalds } 5141da177e4SLinus Torvalds 51552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 51652087a79SLuiz Augusto von Dentz { 51752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 51852087a79SLuiz Augusto von Dentz switch (type) { 51952087a79SLuiz Augusto von Dentz case ACL_LINK: 52052087a79SLuiz Augusto von Dentz return h->acl_num; 521bd1eb66bSAndrei Emeltchenko case AMP_LINK: 522bd1eb66bSAndrei Emeltchenko return h->amp_num; 52352087a79SLuiz Augusto von Dentz case LE_LINK: 52452087a79SLuiz Augusto von Dentz return h->le_num; 52552087a79SLuiz Augusto von Dentz case SCO_LINK: 52652087a79SLuiz Augusto von Dentz case ESCO_LINK: 52752087a79SLuiz Augusto von Dentz return h->sco_num; 52852087a79SLuiz Augusto von Dentz default: 52952087a79SLuiz Augusto von Dentz return 0; 53052087a79SLuiz Augusto von Dentz } 53152087a79SLuiz Augusto von Dentz } 53252087a79SLuiz Augusto von Dentz 5331da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5341da177e4SLinus Torvalds __u16 handle) 5351da177e4SLinus Torvalds { 5361da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5371da177e4SLinus Torvalds struct hci_conn *c; 5381da177e4SLinus Torvalds 539bf4c6325SGustavo F. Padovan rcu_read_lock(); 540bf4c6325SGustavo F. Padovan 541bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 542bf4c6325SGustavo F. Padovan if (c->handle == handle) { 543bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5441da177e4SLinus Torvalds return c; 5451da177e4SLinus Torvalds } 546bf4c6325SGustavo F. Padovan } 547bf4c6325SGustavo F. Padovan rcu_read_unlock(); 548bf4c6325SGustavo F. Padovan 5491da177e4SLinus Torvalds return NULL; 5501da177e4SLinus Torvalds } 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5531da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5541da177e4SLinus Torvalds { 5551da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5561da177e4SLinus Torvalds struct hci_conn *c; 5571da177e4SLinus Torvalds 558bf4c6325SGustavo F. Padovan rcu_read_lock(); 559bf4c6325SGustavo F. Padovan 560bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 561bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 562bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5631da177e4SLinus Torvalds return c; 5641da177e4SLinus Torvalds } 565bf4c6325SGustavo F. Padovan } 566bf4c6325SGustavo F. Padovan 567bf4c6325SGustavo F. Padovan rcu_read_unlock(); 568bf4c6325SGustavo F. Padovan 5691da177e4SLinus Torvalds return NULL; 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5724c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5734c67bc74SMarcel Holtmann __u8 type, __u16 state) 5744c67bc74SMarcel Holtmann { 5754c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5764c67bc74SMarcel Holtmann struct hci_conn *c; 5774c67bc74SMarcel Holtmann 578bf4c6325SGustavo F. Padovan rcu_read_lock(); 579bf4c6325SGustavo F. Padovan 580bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 581bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 582bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5834c67bc74SMarcel Holtmann return c; 5844c67bc74SMarcel Holtmann } 585bf4c6325SGustavo F. Padovan } 586bf4c6325SGustavo F. Padovan 587bf4c6325SGustavo F. Padovan rcu_read_unlock(); 588bf4c6325SGustavo F. Padovan 5894c67bc74SMarcel Holtmann return NULL; 5904c67bc74SMarcel Holtmann } 5914c67bc74SMarcel Holtmann 592bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5932dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 594e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5951da177e4SLinus Torvalds 5961da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5971da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5981da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 599a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 6001da177e4SLinus Torvalds 60173d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 6029472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 6032c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 60442c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 60573d80debSLuiz Augusto von Dentz 6065a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 607b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 60810c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 60910c62ddcSFrédéric Dalleau __u16 setting); 610e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 611b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 6120684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6131da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6148c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6151da177e4SLinus Torvalds 61614b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6171da177e4SLinus Torvalds 6188d12356fSDavid Herrmann /* 6198d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6208d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6218d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6228d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6238d12356fSDavid Herrmann * other constant data. 6248d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6258d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6268d12356fSDavid Herrmann * get dropped, though. 6278d12356fSDavid Herrmann * 6288d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6298d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6308d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6318d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6328d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6338d12356fSDavid Herrmann * hci_conn_add()). 6348d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6358d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6368d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6378d12356fSDavid Herrmann */ 6388d12356fSDavid Herrmann 6398d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6408d12356fSDavid Herrmann { 6418d12356fSDavid Herrmann get_device(&conn->dev); 6428d12356fSDavid Herrmann } 6438d12356fSDavid Herrmann 6448d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6458d12356fSDavid Herrmann { 6468d12356fSDavid Herrmann put_device(&conn->dev); 6478d12356fSDavid Herrmann } 6488d12356fSDavid Herrmann 6491da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6501da177e4SLinus Torvalds { 65171becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 65238b3fef1SAndrei Emeltchenko 6531da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6542f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6551da177e4SLinus Torvalds } 6561da177e4SLinus Torvalds 65776a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6581da177e4SLinus Torvalds { 65971becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 66038b3fef1SAndrei Emeltchenko 6611da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 66204837f64SMarcel Holtmann unsigned long timeo; 663716e4ab5SAndrei Emeltchenko 664716e4ab5SAndrei Emeltchenko switch (conn->type) { 665716e4ab5SAndrei Emeltchenko case ACL_LINK: 666716e4ab5SAndrei Emeltchenko case LE_LINK: 667a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 6686ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6695f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 67004837f64SMarcel Holtmann if (!conn->out) 671052b30b0SMarcel Holtmann timeo *= 2; 6725a9d0a3fSWaldemar Rymarkiewicz } else { 6736ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6745a9d0a3fSWaldemar Rymarkiewicz } 675716e4ab5SAndrei Emeltchenko break; 676716e4ab5SAndrei Emeltchenko 677716e4ab5SAndrei Emeltchenko case AMP_LINK: 678716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 679716e4ab5SAndrei Emeltchenko break; 680716e4ab5SAndrei Emeltchenko 681716e4ab5SAndrei Emeltchenko default: 68204837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 683716e4ab5SAndrei Emeltchenko break; 6845a9d0a3fSWaldemar Rymarkiewicz } 685716e4ab5SAndrei Emeltchenko 6862f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 68719c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6881931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6891da177e4SLinus Torvalds } 6901da177e4SLinus Torvalds } 6911da177e4SLinus Torvalds 6921da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 693dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6941da177e4SLinus Torvalds { 695376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 696376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 697376261aeSAndrei Emeltchenko 6984c724c71SDavid Herrmann put_device(&d->dev); 699010666a1SDavid Herrmann } 7001da177e4SLinus Torvalds 701dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 7021da177e4SLinus Torvalds { 703376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 704376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 705376261aeSAndrei Emeltchenko 7064c724c71SDavid Herrmann get_device(&d->dev); 7071da177e4SLinus Torvalds return d; 7081da177e4SLinus Torvalds } 7091da177e4SLinus Torvalds 71009fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 71109fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 7121da177e4SLinus Torvalds 713aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7143dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 715aa2b86d7SDavid Herrmann 716155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 717155961e8SDavid Herrmann { 718155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 719155961e8SDavid Herrmann } 720155961e8SDavid Herrmann 721155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 722155961e8SDavid Herrmann { 723155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 724155961e8SDavid Herrmann } 725155961e8SDavid Herrmann 7261da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7270c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7281da177e4SLinus Torvalds 7291da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7301da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7311da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 73259735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7331da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7341da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7351da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7361da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7371da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7381da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7391da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7401da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7411da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7421da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7431da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 74440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7451da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7461da177e4SLinus Torvalds 747c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 748b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 749f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 75088c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 75188c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 752f0358568SJohan Hedberg 7532aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7542aeb9a1aSJohan Hedberg 75555ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 75655ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 757d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 758d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 75998a0b845SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8], 76098a0b845SJohan Hedberg bool master); 761c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7629a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7639a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 764c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 76598a0b845SJohan Hedberg u8 addr_type, bool master); 766b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 767b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 76855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 76955ed8ca1SJohan Hedberg 7702763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7712763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7722763eda6SSzymon Janc bdaddr_t *bdaddr); 7730798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 7740798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 7750798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 7760798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 7770798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 7782763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7792763eda6SSzymon Janc 7801da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7811da177e4SLinus Torvalds 782e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 783ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 78499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 785ef222013SMarcel Holtmann 7860ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 787a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 788b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 789b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7901da177e4SLinus Torvalds 7916935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 794cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 795cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 796cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 797cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 798cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 799cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 800cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 801cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 802cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 803cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 804cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 805cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 806cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 807cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 808cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 809cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 810cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 811cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 81207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 8131da177e4SLinus Torvalds 814eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 81553b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 81653b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 81753b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 81853b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 819d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 820d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 82153b834d2SMarcel Holtmann 82253b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 823cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 824d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 825cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 826cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 827eead27daSAndre Guedes 8281da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 82920714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 83020714bfeSFrédéric Dalleau 8315a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 83220714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8331da177e4SLinus Torvalds { 834686ebf28SUlisses Furquim switch (type) { 835686ebf28SUlisses Furquim case ACL_LINK: 836686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8371da177e4SLinus Torvalds 838686ebf28SUlisses Furquim case SCO_LINK: 839686ebf28SUlisses Furquim case ESCO_LINK: 84020714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8411da177e4SLinus Torvalds 842686ebf28SUlisses Furquim default: 843686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 844686ebf28SUlisses Furquim return -EINVAL; 845686ebf28SUlisses Furquim } 8461da177e4SLinus Torvalds } 8471da177e4SLinus Torvalds 8481da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8491da177e4SLinus Torvalds { 850686ebf28SUlisses Furquim switch (conn->type) { 851686ebf28SUlisses Furquim case ACL_LINK: 852686ebf28SUlisses Furquim case LE_LINK: 853686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 854686ebf28SUlisses Furquim break; 8551da177e4SLinus Torvalds 856686ebf28SUlisses Furquim case SCO_LINK: 857686ebf28SUlisses Furquim case ESCO_LINK: 858686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 859686ebf28SUlisses Furquim break; 8601da177e4SLinus Torvalds 861686ebf28SUlisses Furquim default: 862686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 863686ebf28SUlisses Furquim break; 864686ebf28SUlisses Furquim } 865e9a416b5SJohan Hedberg 866e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 867e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8681da177e4SLinus Torvalds } 8691da177e4SLinus Torvalds 8702950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8712950f21aSMarcel Holtmann { 872686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 873686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8742950f21aSMarcel Holtmann 875686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8762950f21aSMarcel Holtmann } 8772950f21aSMarcel Holtmann 8782950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8791da177e4SLinus Torvalds { 880686ebf28SUlisses Furquim switch (conn->type) { 881686ebf28SUlisses Furquim case ACL_LINK: 882686ebf28SUlisses Furquim case LE_LINK: 883686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 884686ebf28SUlisses Furquim break; 8851da177e4SLinus Torvalds 886686ebf28SUlisses Furquim case SCO_LINK: 887686ebf28SUlisses Furquim case ESCO_LINK: 888686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 889686ebf28SUlisses Furquim break; 8901da177e4SLinus Torvalds 891bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 892bd1eb66bSAndrei Emeltchenko case AMP_LINK: 893bd1eb66bSAndrei Emeltchenko break; 894bd1eb66bSAndrei Emeltchenko 895686ebf28SUlisses Furquim default: 896686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 897686ebf28SUlisses Furquim break; 898686ebf28SUlisses Furquim } 899e9a416b5SJohan Hedberg 900e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 901e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 9021da177e4SLinus Torvalds } 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 9051da177e4SLinus Torvalds { 9068c1b2355SMarcel Holtmann __u8 encrypt; 9078c1b2355SMarcel Holtmann 908686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 909686ebf28SUlisses Furquim return; 910686ebf28SUlisses Furquim 91151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9128c1b2355SMarcel Holtmann return; 9138c1b2355SMarcel Holtmann 9148c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 915686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 916e9a416b5SJohan Hedberg 917e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 918e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9191da177e4SLinus Torvalds } 9201da177e4SLinus Torvalds 9215a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 9225a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9231da177e4SLinus Torvalds { 924686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 925686ebf28SUlisses Furquim return; 9261da177e4SLinus Torvalds 927686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 928e9a416b5SJohan Hedberg 929e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 930e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9311da177e4SLinus Torvalds } 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9341da177e4SLinus Torvalds struct hci_cb { 9351da177e4SLinus Torvalds struct list_head list; 9361da177e4SLinus Torvalds 9371da177e4SLinus Torvalds char *name; 9381da177e4SLinus Torvalds 9395a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9405a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9411da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9421da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9431da177e4SLinus Torvalds }; 9441da177e4SLinus Torvalds 9451da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9461da177e4SLinus Torvalds { 947711584eaSDenis Kirjanov struct hci_cb *cb; 9488c1b2355SMarcel Holtmann __u8 encrypt; 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9511da177e4SLinus Torvalds 95251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9538c1b2355SMarcel Holtmann return; 9548c1b2355SMarcel Holtmann 9558c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9568c1b2355SMarcel Holtmann 957f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 958711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9598c1b2355SMarcel Holtmann if (cb->security_cfm) 9608c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9611da177e4SLinus Torvalds } 962f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9631da177e4SLinus Torvalds } 9641da177e4SLinus Torvalds 9655a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9665a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9671da177e4SLinus Torvalds { 968711584eaSDenis Kirjanov struct hci_cb *cb; 9691da177e4SLinus Torvalds 970435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 971435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 972435fef20SMarcel Holtmann 97388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 97488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 97588167aedSVinicius Costa Gomes 9769719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9771da177e4SLinus Torvalds 978f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 979711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9808c1b2355SMarcel Holtmann if (cb->security_cfm) 9818c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9821da177e4SLinus Torvalds } 983f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9841da177e4SLinus Torvalds } 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9871da177e4SLinus Torvalds { 988711584eaSDenis Kirjanov struct hci_cb *cb; 9891da177e4SLinus Torvalds 990f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 991711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9921da177e4SLinus Torvalds if (cb->key_change_cfm) 9931da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9941da177e4SLinus Torvalds } 995f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9961da177e4SLinus Torvalds } 9971da177e4SLinus Torvalds 9985a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9995a9d0a3fSWaldemar Rymarkiewicz __u8 role) 10001da177e4SLinus Torvalds { 1001711584eaSDenis Kirjanov struct hci_cb *cb; 10021da177e4SLinus Torvalds 1003f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1004711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10051da177e4SLinus Torvalds if (cb->role_switch_cfm) 10061da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 10071da177e4SLinus Torvalds } 1008f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10091da177e4SLinus Torvalds } 10101da177e4SLinus Torvalds 10116759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 10126759a675SJohan Hedberg { 101384d9d071SJohan Hedberg size_t parsed = 0; 10146759a675SJohan Hedberg 10156c0c331eSJohan Hedberg if (data_len < 2) 10166c0c331eSJohan Hedberg return false; 10176c0c331eSJohan Hedberg 101884d9d071SJohan Hedberg while (parsed < data_len - 1) { 101984d9d071SJohan Hedberg u8 field_len = data[0]; 10206759a675SJohan Hedberg 10216759a675SJohan Hedberg if (field_len == 0) 10226759a675SJohan Hedberg break; 10236759a675SJohan Hedberg 10246759a675SJohan Hedberg parsed += field_len + 1; 10256759a675SJohan Hedberg 10266759a675SJohan Hedberg if (parsed > data_len) 10276759a675SJohan Hedberg break; 10286759a675SJohan Hedberg 10296759a675SJohan Hedberg if (data[1] == type) 10306759a675SJohan Hedberg return true; 10316759a675SJohan Hedberg 10326759a675SJohan Hedberg data += field_len + 1; 10336759a675SJohan Hedberg } 10346759a675SJohan Hedberg 10356759a675SJohan Hedberg return false; 10366759a675SJohan Hedberg } 10376759a675SJohan Hedberg 10381da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10391da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10401da177e4SLinus Torvalds 10413119ae95SJohan Hedberg struct hci_request { 10423119ae95SJohan Hedberg struct hci_dev *hdev; 10433119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10445d73e034SAndre Guedes 10455d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10465d73e034SAndre Guedes * value is stored in this field. 10475d73e034SAndre Guedes */ 10485d73e034SAndre Guedes int err; 10493119ae95SJohan Hedberg }; 10503119ae95SJohan Hedberg 10513119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10523119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 105307dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 105407dc93ddSJohan Hedberg const void *param); 105507dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 105607dc93ddSJohan Hedberg const void *param, u8 event); 10579238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10583119ae95SJohan Hedberg 105975e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 106007dc93ddSJohan Hedberg const void *param, u32 timeout); 10617b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 106207dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 106375e84b7cSJohan Hedberg 106407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 106507dc93ddSJohan Hedberg const void *param); 106673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10670d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10681da177e4SLinus Torvalds 1069a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10701da177e4SLinus Torvalds 10711da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1072470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1073470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1074cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10751da177e4SLinus Torvalds 1076040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1077040030efSMarcel Holtmann 10780381101fSJohan Hedberg /* Management interface */ 1079591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1080591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1081591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1082591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1083591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1084591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1085f39799f5SAndre Guedes 10860d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 10870d8cc935SAndre Guedes * Discovery Procedure specification. 10880d8cc935SAndre Guedes */ 10890d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 10900d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 10910d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 10920d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 10930d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 10940d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 10950d8cc935SAndre Guedes 10960381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1097bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1098bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 10993eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1100744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1101d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 110286a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1103a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 11044796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1105dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1106745c0ce3SVishal Agarwal bool persistent); 1107ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 110804124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 110904124681SGustavo F. Padovan u8 *dev_class); 11109b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1111f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 11127892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 111388c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1114445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 111548264f06SJohan Hedberg u8 addr_type, u8 status); 1116ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1117e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1118c35938b2SSzymon Janc u8 status); 11193eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1120744cf19eSJohan Hedberg u8 status); 1121744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1122272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1123272d90dfSJohan Hedberg u8 confirm_hint); 1124744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1125272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1126272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1127272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1128272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1129272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1130604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1131272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1132272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1133272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 113492a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 113592a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 113692a25256SJohan Hedberg u8 entered); 1137e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1138bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1139464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 11403e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1141eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11424e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11437f9a903cSMarcel Holtmann u8 status); 11447667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 11454d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 11464d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 11474d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1148901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 114904124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 115004124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11519cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1152b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 11532f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 115488c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 115588c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1156083368f7SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11575976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1158346af67bSVinicius Costa Gomes 11591da177e4SLinus Torvalds /* HCI info for socket */ 11601da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11611da177e4SLinus Torvalds 11621da177e4SLinus Torvalds struct hci_pinfo { 11631da177e4SLinus Torvalds struct bt_sock bt; 11641da177e4SLinus Torvalds struct hci_dev *hdev; 11651da177e4SLinus Torvalds struct hci_filter filter; 11661da177e4SLinus Torvalds __u32 cmsg_mask; 1167c02178d2SJohan Hedberg unsigned short channel; 11681da177e4SLinus Torvalds }; 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvalds /* HCI security filter */ 11711da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11721da177e4SLinus Torvalds 11731da177e4SLinus Torvalds struct hci_sec_filter { 11741da177e4SLinus Torvalds __u32 type_mask; 11751da177e4SLinus Torvalds __u32 event_mask[2]; 11761da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11771da177e4SLinus Torvalds }; 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11801da177e4SLinus Torvalds #define HCI_REQ_DONE 0 11811da177e4SLinus Torvalds #define HCI_REQ_PEND 1 11821da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 11831da177e4SLinus Torvalds 1184a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1185a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 11861da177e4SLinus Torvalds 11872ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 11882ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1189a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1190a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 11912519a1fcSAndre Guedes 11925d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 11935d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 11945d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 11955d4d62f6SFrédéric Dalleau 11961da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1197