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; 84f0358568SJohan Hedberg }; 852aeb9a1aSJohan Hedberg 862aeb9a1aSJohan Hedberg struct bt_uuid { 872aeb9a1aSJohan Hedberg struct list_head list; 882aeb9a1aSJohan Hedberg u8 uuid[16]; 8983be8ecaSJohan Hedberg u8 size; 901aff6f09SJohan Hedberg u8 svc_hint; 912aeb9a1aSJohan Hedberg }; 922aeb9a1aSJohan Hedberg 93b899efafSVinicius Costa Gomes struct smp_ltk { 94b899efafSVinicius Costa Gomes struct list_head list; 95b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 96b899efafSVinicius Costa Gomes u8 bdaddr_type; 97b899efafSVinicius Costa Gomes u8 authenticated; 98b899efafSVinicius Costa Gomes u8 type; 99b899efafSVinicius Costa Gomes u8 enc_size; 100b899efafSVinicius Costa Gomes __le16 ediv; 101b899efafSVinicius Costa Gomes u8 rand[8]; 102b899efafSVinicius Costa Gomes u8 val[16]; 103b899efafSVinicius Costa Gomes } __packed; 104b899efafSVinicius Costa Gomes 10555ed8ca1SJohan Hedberg struct link_key { 10655ed8ca1SJohan Hedberg struct list_head list; 10755ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10855ed8ca1SJohan Hedberg u8 type; 1099b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 11055ed8ca1SJohan Hedberg u8 pin_len; 11155ed8ca1SJohan Hedberg }; 11255ed8ca1SJohan Hedberg 1132763eda6SSzymon Janc struct oob_data { 1142763eda6SSzymon Janc struct list_head list; 1152763eda6SSzymon Janc bdaddr_t bdaddr; 1162763eda6SSzymon Janc u8 hash[16]; 1172763eda6SSzymon Janc u8 randomizer[16]; 1182763eda6SSzymon Janc }; 1192763eda6SSzymon Janc 120490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 121490c5babSJohan Hedberg 122903e4541SAndrei Emeltchenko struct amp_assoc { 123903e4541SAndrei Emeltchenko __u16 len; 124903e4541SAndrei Emeltchenko __u16 offset; 12593c284eeSAndrei Emeltchenko __u16 rem_len; 12693c284eeSAndrei Emeltchenko __u16 len_so_far; 127903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 128903e4541SAndrei Emeltchenko }; 129903e4541SAndrei Emeltchenko 130d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 131cad718edSJohan Hedberg 132cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1331da177e4SLinus Torvalds struct hci_dev { 1341da177e4SLinus Torvalds struct list_head list; 13509fd0de5SGustavo F. Padovan struct mutex lock; 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds char name[8]; 1381da177e4SLinus Torvalds unsigned long flags; 1391da177e4SLinus Torvalds __u16 id; 140c13854ceSMarcel Holtmann __u8 bus; 141943da25dSMarcel Holtmann __u8 dev_type; 1421da177e4SLinus Torvalds bdaddr_t bdaddr; 143d13eafceSMarcel Holtmann bdaddr_t static_addr; 1441f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 145490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 14680a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 147a9de9248SMarcel Holtmann __u8 dev_class[3]; 1481aff6f09SJohan Hedberg __u8 major_class; 1491aff6f09SJohan Hedberg __u8 minor_class; 150d2c5d77fSJohan Hedberg __u8 max_page; 151cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 15260e77321SJohan Hedberg __u8 le_features[8]; 153cf1d081fSJohan Hedberg __u8 le_white_list_size; 1549b008c04SJohan Hedberg __u8 le_states[8]; 155a9de9248SMarcel Holtmann __u8 commands[64]; 1561143e5a6SMarcel Holtmann __u8 hci_ver; 1571143e5a6SMarcel Holtmann __u16 hci_rev; 158d5859e22SJohan Hedberg __u8 lmp_ver; 1591143e5a6SMarcel Holtmann __u16 manufacturer; 1607d69230cSAndrei Emeltchenko __u16 lmp_subver; 1611da177e4SLinus Torvalds __u16 voice_setting; 162b4cb9fb2SMarcel Holtmann __u8 num_iac; 16317fa4b9dSJohan Hedberg __u8 io_capability; 16491c4e9b1SMarcel Holtmann __s8 inq_tx_power; 165f332ec66SJohan Hedberg __u16 page_scan_interval; 166f332ec66SJohan Hedberg __u16 page_scan_window; 167f332ec66SJohan Hedberg __u8 page_scan_type; 168bef64738SMarcel Holtmann __u16 le_scan_interval; 169bef64738SMarcel Holtmann __u16 le_scan_window; 170f332ec66SJohan Hedberg 1712b9be137SMarcel Holtmann __u16 devid_source; 1722b9be137SMarcel Holtmann __u16 devid_vendor; 1732b9be137SMarcel Holtmann __u16 devid_product; 1742b9be137SMarcel Holtmann __u16 devid_version; 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds __u16 pkt_type; 1775b7f9909SMarcel Holtmann __u16 esco_type; 1781da177e4SLinus Torvalds __u16 link_policy; 1791da177e4SLinus Torvalds __u16 link_mode; 1801da177e4SLinus Torvalds 18104837f64SMarcel Holtmann __u32 idle_timeout; 18204837f64SMarcel Holtmann __u16 sniff_min_interval; 18304837f64SMarcel Holtmann __u16 sniff_max_interval; 18404837f64SMarcel Holtmann 185928abaa7SAndrei Emeltchenko __u8 amp_status; 186928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 187928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 188928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 189928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 190928abaa7SAndrei Emeltchenko __u8 amp_type; 191928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 192928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 193928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 194928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 195928abaa7SAndrei Emeltchenko 196903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 197903e4541SAndrei Emeltchenko 1981e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1991e89cffbSAndrei Emeltchenko 2009f61656aSJohan Hedberg unsigned int auto_accept_delay; 2019f61656aSJohan Hedberg 2021da177e4SLinus Torvalds unsigned long quirks; 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds atomic_t cmd_cnt; 2051da177e4SLinus Torvalds unsigned int acl_cnt; 2061da177e4SLinus Torvalds unsigned int sco_cnt; 2076ed58ec5SVille Tervo unsigned int le_cnt; 2081da177e4SLinus Torvalds 2091da177e4SLinus Torvalds unsigned int acl_mtu; 2101da177e4SLinus Torvalds unsigned int sco_mtu; 2116ed58ec5SVille Tervo unsigned int le_mtu; 2121da177e4SLinus Torvalds unsigned int acl_pkts; 2131da177e4SLinus Torvalds unsigned int sco_pkts; 2146ed58ec5SVille Tervo unsigned int le_pkts; 2151da177e4SLinus Torvalds 216350ee4cfSAndrei Emeltchenko __u16 block_len; 217350ee4cfSAndrei Emeltchenko __u16 block_mtu; 218350ee4cfSAndrei Emeltchenko __u16 num_blocks; 219350ee4cfSAndrei Emeltchenko __u16 block_cnt; 220350ee4cfSAndrei Emeltchenko 2211da177e4SLinus Torvalds unsigned long acl_last_tx; 2221da177e4SLinus Torvalds unsigned long sco_last_tx; 2236ed58ec5SVille Tervo unsigned long le_last_tx; 2241da177e4SLinus Torvalds 225f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2266ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 227f48fd9c8SMarcel Holtmann 228ab81cbf9SJohan Hedberg struct work_struct power_on; 2293243553fSJohan Hedberg struct delayed_work power_off; 230ab81cbf9SJohan Hedberg 23116ab91abSJohan Hedberg __u16 discov_timeout; 23216ab91abSJohan Hedberg struct delayed_work discov_off; 23316ab91abSJohan Hedberg 2347d78525dSJohan Hedberg struct delayed_work service_cache; 2357d78525dSJohan Hedberg 2366bd32326SVille Tervo struct timer_list cmd_timer; 237b78752ccSMarcel Holtmann 238b78752ccSMarcel Holtmann struct work_struct rx_work; 239c347b765SGustavo F. Padovan struct work_struct cmd_work; 2403eff45eaSGustavo F. Padovan struct work_struct tx_work; 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds struct sk_buff_head rx_q; 2431da177e4SLinus Torvalds struct sk_buff_head raw_q; 2441da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2451da177e4SLinus Torvalds 246b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2471da177e4SLinus Torvalds struct sk_buff *sent_cmd; 248cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2491da177e4SLinus Torvalds 250a6a67efdSThomas Gleixner struct mutex req_lock; 2511da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2521da177e4SLinus Torvalds __u32 req_status; 2531da177e4SLinus Torvalds __u32 req_result; 254a5040efaSJohan Hedberg 2552e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2562e58ef3eSJohan Hedberg 25730883512SJohan Hedberg struct discovery_state discovery; 2581da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 259ea4bd8baSDavid Miller struct list_head blacklist; 2601da177e4SLinus Torvalds 2612aeb9a1aSJohan Hedberg struct list_head uuids; 2622aeb9a1aSJohan Hedberg 26355ed8ca1SJohan Hedberg struct list_head link_keys; 26455ed8ca1SJohan Hedberg 265b899efafSVinicius Costa Gomes struct list_head long_term_keys; 266b899efafSVinicius Costa Gomes 2672763eda6SSzymon Janc struct list_head remote_oob_data; 2682763eda6SSzymon Janc 2691da177e4SLinus Torvalds struct hci_dev_stats stat; 2701da177e4SLinus Torvalds 2711da177e4SLinus Torvalds atomic_t promisc; 2721da177e4SLinus Torvalds 273ca325f69SMarcel Holtmann struct dentry *debugfs; 274ca325f69SMarcel Holtmann 275a91f2e39SMarcel Holtmann struct device dev; 2761da177e4SLinus Torvalds 277611b30f7SMarcel Holtmann struct rfkill *rfkill; 278611b30f7SMarcel Holtmann 279d23264a8SAndre Guedes unsigned long dev_flags; 280d23264a8SAndre Guedes 2817ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2827ba8b4beSAndre Guedes 2838fa19098SJohan Hedberg __s8 adv_tx_power; 2843f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2853f0f524bSJohan Hedberg __u8 adv_data_len; 2868fa19098SJohan Hedberg 2871da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2881da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2891da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 290f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2917bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 2921da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2931da177e4SLinus Torvalds }; 2941da177e4SLinus Torvalds 29553502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 29653502d69SAndrei Emeltchenko 2971da177e4SLinus Torvalds struct hci_conn { 2981da177e4SLinus Torvalds struct list_head list; 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds atomic_t refcnt; 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds bdaddr_t dst; 30329b7988aSAndre Guedes __u8 dst_type; 304662e8820SMarcel Holtmann bdaddr_t src; 305e7c4096eSMarcel Holtmann __u8 src_type; 3061da177e4SLinus Torvalds __u16 handle; 3071da177e4SLinus Torvalds __u16 state; 30804837f64SMarcel Holtmann __u8 mode; 3091da177e4SLinus Torvalds __u8 type; 310a0c808b3SJohan Hedberg bool out; 3114c67bc74SMarcel Holtmann __u8 attempt; 3121da177e4SLinus Torvalds __u8 dev_class[3]; 313cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 31404837f64SMarcel Holtmann __u16 interval; 315a8746417SMarcel Holtmann __u16 pkt_type; 31604837f64SMarcel Holtmann __u16 link_policy; 3171da177e4SLinus Torvalds __u32 link_mode; 31813d39315SWaldemar Rymarkiewicz __u8 key_type; 31940be492fSMarcel Holtmann __u8 auth_type; 3208c1b2355SMarcel Holtmann __u8 sec_level; 321765c2a96SJohan Hedberg __u8 pending_sec_level; 322980e1a53SJohan Hedberg __u8 pin_length; 323726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 32417fa4b9dSJohan Hedberg __u8 io_capability; 32592a25256SJohan Hedberg __u32 passkey_notify; 32692a25256SJohan Hedberg __u8 passkey_entered; 327052b30b0SMarcel Holtmann __u16 disc_timeout; 32810c62ddcSFrédéric Dalleau __u16 setting; 32951a8efd7SJohan Hedberg unsigned long flags; 3301da177e4SLinus Torvalds 33103b555e1SJohan Hedberg __u8 remote_cap; 33203b555e1SJohan Hedberg __u8 remote_auth; 3333161ae1cSAndrei Emeltchenko __u8 remote_id; 3346ec5bcadSVishal Agarwal bool flush_key; 33503b555e1SJohan Hedberg 3361da177e4SLinus Torvalds unsigned int sent; 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds struct sk_buff_head data_q; 3392c33c06aSGustavo F. Padovan struct list_head chan_list; 3401da177e4SLinus Torvalds 34119c40e3bSGustavo F. Padovan struct delayed_work disc_work; 34204837f64SMarcel Holtmann struct timer_list idle_timer; 3439f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3441da177e4SLinus Torvalds 345b219e3acSMarcel Holtmann struct device dev; 346b219e3acSMarcel Holtmann 3471da177e4SLinus Torvalds struct hci_dev *hdev; 3481da177e4SLinus Torvalds void *l2cap_data; 3491da177e4SLinus Torvalds void *sco_data; 3502b64d153SBrian Gix void *smp_conn; 3519740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds struct hci_conn *link; 354e9a416b5SJohan Hedberg 355e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 356e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 357e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3581da177e4SLinus Torvalds }; 3591da177e4SLinus Torvalds 36073d80debSLuiz Augusto von Dentz struct hci_chan { 36173d80debSLuiz Augusto von Dentz struct list_head list; 36242c4e53eSAndrei Emeltchenko __u16 handle; 36373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 36473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 36573d80debSLuiz Augusto von Dentz unsigned int sent; 366168df8e5SMat Martineau __u8 state; 36773d80debSLuiz Augusto von Dentz }; 36873d80debSLuiz Augusto von Dentz 3691da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3701da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3711da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3721da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3731da177e4SLinus Torvalds 374686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 375686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 3769e664631SAndrei Emeltchenko extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 377686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 3789e664631SAndrei Emeltchenko extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 379686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 380c3c7ea65SGustavo Padovan extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, 381c3c7ea65SGustavo Padovan u16 flags); 382686ebf28SUlisses Furquim 38320714bfeSFrédéric Dalleau extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 3849e664631SAndrei Emeltchenko extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 3859e664631SAndrei Emeltchenko extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 386686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 387686ebf28SUlisses Furquim 3881da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 38970f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 39070f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3911da177e4SLinus Torvalds 39230883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3931da177e4SLinus Torvalds { 394ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 39530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 39630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 39730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3981da177e4SLinus Torvalds } 3991da177e4SLinus Torvalds 40030dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 40130dc78e1SJohan Hedberg 402ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 403ff9ef578SJohan Hedberg 4041da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4051da177e4SLinus Torvalds { 40630883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4071da177e4SLinus Torvalds } 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4101da177e4SLinus Torvalds { 41130883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4121da177e4SLinus Torvalds return jiffies - c->timestamp; 4131da177e4SLinus Torvalds } 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4161da177e4SLinus Torvalds { 4171da177e4SLinus Torvalds return jiffies - e->timestamp; 4181da177e4SLinus Torvalds } 4191da177e4SLinus Torvalds 4205a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4215a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 422561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 423561aafbcSJohan Hedberg bdaddr_t *bdaddr); 42430dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 42530dc78e1SJohan Hedberg bdaddr_t *bdaddr, 42630dc78e1SJohan Hedberg int state); 427a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 428a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4293175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 430388fc8faSJohan Hedberg bool name_known, bool *ssp); 4311f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4341da177e4SLinus Torvalds enum { 4351da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 43619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4371da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 43804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 43904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 440e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 441d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 442b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 44358a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 44458a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 44558a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4461da177e4SLinus Torvalds }; 4471da177e4SLinus Torvalds 448aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 449aa64a8b5SJohan Hedberg { 450aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 451c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 452c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 453aa64a8b5SJohan Hedberg } 454aa64a8b5SJohan Hedberg 4551da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4561da177e4SLinus Torvalds { 4571da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 458bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 459fcd89c09SVille Tervo switch (c->type) { 460fcd89c09SVille Tervo case ACL_LINK: 4611da177e4SLinus Torvalds h->acl_num++; 462fcd89c09SVille Tervo break; 463bd1eb66bSAndrei Emeltchenko case AMP_LINK: 464bd1eb66bSAndrei Emeltchenko h->amp_num++; 465bd1eb66bSAndrei Emeltchenko break; 466fcd89c09SVille Tervo case LE_LINK: 467fcd89c09SVille Tervo h->le_num++; 468fcd89c09SVille Tervo break; 469fcd89c09SVille Tervo case SCO_LINK: 470fcd89c09SVille Tervo case ESCO_LINK: 4711da177e4SLinus Torvalds h->sco_num++; 472fcd89c09SVille Tervo break; 473fcd89c09SVille Tervo } 4741da177e4SLinus Torvalds } 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4771da177e4SLinus Torvalds { 4781da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 479bf4c6325SGustavo F. Padovan 480bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 481bf4c6325SGustavo F. Padovan synchronize_rcu(); 482bf4c6325SGustavo F. Padovan 483fcd89c09SVille Tervo switch (c->type) { 484fcd89c09SVille Tervo case ACL_LINK: 4851da177e4SLinus Torvalds h->acl_num--; 486fcd89c09SVille Tervo break; 487bd1eb66bSAndrei Emeltchenko case AMP_LINK: 488bd1eb66bSAndrei Emeltchenko h->amp_num--; 489bd1eb66bSAndrei Emeltchenko break; 490fcd89c09SVille Tervo case LE_LINK: 491fcd89c09SVille Tervo h->le_num--; 492fcd89c09SVille Tervo break; 493fcd89c09SVille Tervo case SCO_LINK: 494fcd89c09SVille Tervo case ESCO_LINK: 4951da177e4SLinus Torvalds h->sco_num--; 496fcd89c09SVille Tervo break; 497fcd89c09SVille Tervo } 4981da177e4SLinus Torvalds } 4991da177e4SLinus Torvalds 50052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 50152087a79SLuiz Augusto von Dentz { 50252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 50352087a79SLuiz Augusto von Dentz switch (type) { 50452087a79SLuiz Augusto von Dentz case ACL_LINK: 50552087a79SLuiz Augusto von Dentz return h->acl_num; 506bd1eb66bSAndrei Emeltchenko case AMP_LINK: 507bd1eb66bSAndrei Emeltchenko return h->amp_num; 50852087a79SLuiz Augusto von Dentz case LE_LINK: 50952087a79SLuiz Augusto von Dentz return h->le_num; 51052087a79SLuiz Augusto von Dentz case SCO_LINK: 51152087a79SLuiz Augusto von Dentz case ESCO_LINK: 51252087a79SLuiz Augusto von Dentz return h->sco_num; 51352087a79SLuiz Augusto von Dentz default: 51452087a79SLuiz Augusto von Dentz return 0; 51552087a79SLuiz Augusto von Dentz } 51652087a79SLuiz Augusto von Dentz } 51752087a79SLuiz Augusto von Dentz 5181da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5191da177e4SLinus Torvalds __u16 handle) 5201da177e4SLinus Torvalds { 5211da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5221da177e4SLinus Torvalds struct hci_conn *c; 5231da177e4SLinus Torvalds 524bf4c6325SGustavo F. Padovan rcu_read_lock(); 525bf4c6325SGustavo F. Padovan 526bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 527bf4c6325SGustavo F. Padovan if (c->handle == handle) { 528bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5291da177e4SLinus Torvalds return c; 5301da177e4SLinus Torvalds } 531bf4c6325SGustavo F. Padovan } 532bf4c6325SGustavo F. Padovan rcu_read_unlock(); 533bf4c6325SGustavo F. Padovan 5341da177e4SLinus Torvalds return NULL; 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5381da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5391da177e4SLinus Torvalds { 5401da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5411da177e4SLinus Torvalds struct hci_conn *c; 5421da177e4SLinus Torvalds 543bf4c6325SGustavo F. Padovan rcu_read_lock(); 544bf4c6325SGustavo F. Padovan 545bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 546bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 547bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5481da177e4SLinus Torvalds return c; 5491da177e4SLinus Torvalds } 550bf4c6325SGustavo F. Padovan } 551bf4c6325SGustavo F. Padovan 552bf4c6325SGustavo F. Padovan rcu_read_unlock(); 553bf4c6325SGustavo F. Padovan 5541da177e4SLinus Torvalds return NULL; 5551da177e4SLinus Torvalds } 5561da177e4SLinus Torvalds 5574c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5584c67bc74SMarcel Holtmann __u8 type, __u16 state) 5594c67bc74SMarcel Holtmann { 5604c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5614c67bc74SMarcel Holtmann struct hci_conn *c; 5624c67bc74SMarcel Holtmann 563bf4c6325SGustavo F. Padovan rcu_read_lock(); 564bf4c6325SGustavo F. Padovan 565bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 566bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 567bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5684c67bc74SMarcel Holtmann return c; 5694c67bc74SMarcel Holtmann } 570bf4c6325SGustavo F. Padovan } 571bf4c6325SGustavo F. Padovan 572bf4c6325SGustavo F. Padovan rcu_read_unlock(); 573bf4c6325SGustavo F. Padovan 5744c67bc74SMarcel Holtmann return NULL; 5754c67bc74SMarcel Holtmann } 5764c67bc74SMarcel Holtmann 577bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5782dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 579e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5821da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5831da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 584a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5851da177e4SLinus Torvalds 58673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 5879472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 5882c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 58942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 59073d80debSLuiz Augusto von Dentz 5915a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 592b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 59310c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 59410c62ddcSFrédéric Dalleau __u16 setting); 595e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 596b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5970684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5981da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5998c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6001da177e4SLinus Torvalds 60114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6021da177e4SLinus Torvalds 6038d12356fSDavid Herrmann /* 6048d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6058d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6068d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6078d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6088d12356fSDavid Herrmann * other constant data. 6098d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6108d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6118d12356fSDavid Herrmann * get dropped, though. 6128d12356fSDavid Herrmann * 6138d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6148d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6158d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6168d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6178d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6188d12356fSDavid Herrmann * hci_conn_add()). 6198d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6208d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6218d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6228d12356fSDavid Herrmann */ 6238d12356fSDavid Herrmann 6248d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6258d12356fSDavid Herrmann { 6268d12356fSDavid Herrmann get_device(&conn->dev); 6278d12356fSDavid Herrmann } 6288d12356fSDavid Herrmann 6298d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6308d12356fSDavid Herrmann { 6318d12356fSDavid Herrmann put_device(&conn->dev); 6328d12356fSDavid Herrmann } 6338d12356fSDavid Herrmann 6341da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6351da177e4SLinus Torvalds { 63671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63738b3fef1SAndrei Emeltchenko 6381da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6392f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6401da177e4SLinus Torvalds } 6411da177e4SLinus Torvalds 64276a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6431da177e4SLinus Torvalds { 64471becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 64538b3fef1SAndrei Emeltchenko 6461da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 64704837f64SMarcel Holtmann unsigned long timeo; 648716e4ab5SAndrei Emeltchenko 649716e4ab5SAndrei Emeltchenko switch (conn->type) { 650716e4ab5SAndrei Emeltchenko case ACL_LINK: 651716e4ab5SAndrei Emeltchenko case LE_LINK: 6526ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6536ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6545f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 65504837f64SMarcel Holtmann if (!conn->out) 656052b30b0SMarcel Holtmann timeo *= 2; 6575a9d0a3fSWaldemar Rymarkiewicz } else { 6586ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6595a9d0a3fSWaldemar Rymarkiewicz } 660716e4ab5SAndrei Emeltchenko break; 661716e4ab5SAndrei Emeltchenko 662716e4ab5SAndrei Emeltchenko case AMP_LINK: 663716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 664716e4ab5SAndrei Emeltchenko break; 665716e4ab5SAndrei Emeltchenko 666716e4ab5SAndrei Emeltchenko default: 66704837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 668716e4ab5SAndrei Emeltchenko break; 6695a9d0a3fSWaldemar Rymarkiewicz } 670716e4ab5SAndrei Emeltchenko 6712f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 67219c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6731931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6741da177e4SLinus Torvalds } 6751da177e4SLinus Torvalds } 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 678dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6791da177e4SLinus Torvalds { 680376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 681376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 682376261aeSAndrei Emeltchenko 6834c724c71SDavid Herrmann put_device(&d->dev); 684010666a1SDavid Herrmann } 6851da177e4SLinus Torvalds 686dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6871da177e4SLinus Torvalds { 688376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 689376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 690376261aeSAndrei Emeltchenko 6914c724c71SDavid Herrmann get_device(&d->dev); 6921da177e4SLinus Torvalds return d; 6931da177e4SLinus Torvalds } 6941da177e4SLinus Torvalds 69509fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 69609fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6971da177e4SLinus Torvalds 698aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6993dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 700aa2b86d7SDavid Herrmann 701155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 702155961e8SDavid Herrmann { 703155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 704155961e8SDavid Herrmann } 705155961e8SDavid Herrmann 706155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 707155961e8SDavid Herrmann { 708155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 709155961e8SDavid Herrmann } 710155961e8SDavid Herrmann 7111da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7120c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7131da177e4SLinus Torvalds 7141da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7151da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7161da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 71759735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7181da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7191da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7201da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7211da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7221da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7231da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7241da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7251da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7261da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7271da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7281da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 72940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7301da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7311da177e4SLinus Torvalds 732c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 733c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 734f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 73588c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 73688c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 737f0358568SJohan Hedberg 7382aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7392aeb9a1aSJohan Hedberg 74055ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 74155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 742d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 743d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 744c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 745c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7469a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7479a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 748c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 749c9839a11SVinicius Costa Gomes u8 addr_type); 750b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 751b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 75255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 75355ed8ca1SJohan Hedberg 7542763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7552763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7562763eda6SSzymon Janc bdaddr_t *bdaddr); 7572763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 7582763eda6SSzymon Janc u8 *randomizer); 7592763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7602763eda6SSzymon Janc 7611da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7621da177e4SLinus Torvalds 763e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 764ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 76599811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 766ef222013SMarcel Holtmann 7670ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 768ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 769ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 770a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 771b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 772b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7731da177e4SLinus Torvalds 7746935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7751da177e4SLinus Torvalds 7761da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 777cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 778cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 779cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 780cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 781cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 782cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 783cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 784cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 785cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 786cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 787cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 788cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 789cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 790cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 791cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 792cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 793cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 794cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 79507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 7961da177e4SLinus Torvalds 797eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 798cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 799cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 800cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 801eead27daSAndre Guedes 8021da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 80320714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 80420714bfeSFrédéric Dalleau 8055a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 80620714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8071da177e4SLinus Torvalds { 808686ebf28SUlisses Furquim switch (type) { 809686ebf28SUlisses Furquim case ACL_LINK: 810686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8111da177e4SLinus Torvalds 812686ebf28SUlisses Furquim case SCO_LINK: 813686ebf28SUlisses Furquim case ESCO_LINK: 81420714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8151da177e4SLinus Torvalds 816686ebf28SUlisses Furquim default: 817686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 818686ebf28SUlisses Furquim return -EINVAL; 819686ebf28SUlisses Furquim } 8201da177e4SLinus Torvalds } 8211da177e4SLinus Torvalds 8221da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8231da177e4SLinus Torvalds { 824686ebf28SUlisses Furquim switch (conn->type) { 825686ebf28SUlisses Furquim case ACL_LINK: 826686ebf28SUlisses Furquim case LE_LINK: 827686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 828686ebf28SUlisses Furquim break; 8291da177e4SLinus Torvalds 830686ebf28SUlisses Furquim case SCO_LINK: 831686ebf28SUlisses Furquim case ESCO_LINK: 832686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 833686ebf28SUlisses Furquim break; 8341da177e4SLinus Torvalds 835686ebf28SUlisses Furquim default: 836686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 837686ebf28SUlisses Furquim break; 838686ebf28SUlisses Furquim } 839e9a416b5SJohan Hedberg 840e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 841e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8421da177e4SLinus Torvalds } 8431da177e4SLinus Torvalds 8442950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8452950f21aSMarcel Holtmann { 846686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 847686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8482950f21aSMarcel Holtmann 849686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8502950f21aSMarcel Holtmann } 8512950f21aSMarcel Holtmann 8522950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8531da177e4SLinus Torvalds { 854686ebf28SUlisses Furquim switch (conn->type) { 855686ebf28SUlisses Furquim case ACL_LINK: 856686ebf28SUlisses Furquim case LE_LINK: 857686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 858686ebf28SUlisses Furquim break; 8591da177e4SLinus Torvalds 860686ebf28SUlisses Furquim case SCO_LINK: 861686ebf28SUlisses Furquim case ESCO_LINK: 862686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 863686ebf28SUlisses Furquim break; 8641da177e4SLinus Torvalds 865bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 866bd1eb66bSAndrei Emeltchenko case AMP_LINK: 867bd1eb66bSAndrei Emeltchenko break; 868bd1eb66bSAndrei Emeltchenko 869686ebf28SUlisses Furquim default: 870686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 871686ebf28SUlisses Furquim break; 872686ebf28SUlisses Furquim } 873e9a416b5SJohan Hedberg 874e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 875e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 8761da177e4SLinus Torvalds } 8771da177e4SLinus Torvalds 8781da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 8791da177e4SLinus Torvalds { 8808c1b2355SMarcel Holtmann __u8 encrypt; 8818c1b2355SMarcel Holtmann 882686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 883686ebf28SUlisses Furquim return; 884686ebf28SUlisses Furquim 88551a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8868c1b2355SMarcel Holtmann return; 8878c1b2355SMarcel Holtmann 8888c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 889686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 890e9a416b5SJohan Hedberg 891e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 892e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8931da177e4SLinus Torvalds } 8941da177e4SLinus Torvalds 8955a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8965a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8971da177e4SLinus Torvalds { 898686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 899686ebf28SUlisses Furquim return; 9001da177e4SLinus Torvalds 901686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 902e9a416b5SJohan Hedberg 903e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 904e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9051da177e4SLinus Torvalds } 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9081da177e4SLinus Torvalds struct hci_cb { 9091da177e4SLinus Torvalds struct list_head list; 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvalds char *name; 9121da177e4SLinus Torvalds 9135a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9145a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9151da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9161da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9171da177e4SLinus Torvalds }; 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9201da177e4SLinus Torvalds { 921711584eaSDenis Kirjanov struct hci_cb *cb; 9228c1b2355SMarcel Holtmann __u8 encrypt; 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9251da177e4SLinus Torvalds 92651a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9278c1b2355SMarcel Holtmann return; 9288c1b2355SMarcel Holtmann 9298c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9308c1b2355SMarcel Holtmann 931f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 932711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9338c1b2355SMarcel Holtmann if (cb->security_cfm) 9348c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9351da177e4SLinus Torvalds } 936f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9371da177e4SLinus Torvalds } 9381da177e4SLinus Torvalds 9395a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9405a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9411da177e4SLinus Torvalds { 942711584eaSDenis Kirjanov struct hci_cb *cb; 9431da177e4SLinus Torvalds 944435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 945435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 946435fef20SMarcel Holtmann 94788167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 94888167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 94988167aedSVinicius Costa Gomes 9509719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9511da177e4SLinus Torvalds 952f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 953711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9548c1b2355SMarcel Holtmann if (cb->security_cfm) 9558c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9561da177e4SLinus Torvalds } 957f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9581da177e4SLinus Torvalds } 9591da177e4SLinus Torvalds 9601da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9611da177e4SLinus Torvalds { 962711584eaSDenis Kirjanov struct hci_cb *cb; 9631da177e4SLinus Torvalds 964f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 965711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9661da177e4SLinus Torvalds if (cb->key_change_cfm) 9671da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9681da177e4SLinus Torvalds } 969f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9701da177e4SLinus Torvalds } 9711da177e4SLinus Torvalds 9725a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9735a9d0a3fSWaldemar Rymarkiewicz __u8 role) 9741da177e4SLinus Torvalds { 975711584eaSDenis Kirjanov struct hci_cb *cb; 9761da177e4SLinus Torvalds 977f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 978711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9791da177e4SLinus Torvalds if (cb->role_switch_cfm) 9801da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9811da177e4SLinus Torvalds } 982f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9831da177e4SLinus Torvalds } 9841da177e4SLinus Torvalds 9856759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9866759a675SJohan Hedberg { 98784d9d071SJohan Hedberg size_t parsed = 0; 9886759a675SJohan Hedberg 9896c0c331eSJohan Hedberg if (data_len < 2) 9906c0c331eSJohan Hedberg return false; 9916c0c331eSJohan Hedberg 99284d9d071SJohan Hedberg while (parsed < data_len - 1) { 99384d9d071SJohan Hedberg u8 field_len = data[0]; 9946759a675SJohan Hedberg 9956759a675SJohan Hedberg if (field_len == 0) 9966759a675SJohan Hedberg break; 9976759a675SJohan Hedberg 9986759a675SJohan Hedberg parsed += field_len + 1; 9996759a675SJohan Hedberg 10006759a675SJohan Hedberg if (parsed > data_len) 10016759a675SJohan Hedberg break; 10026759a675SJohan Hedberg 10036759a675SJohan Hedberg if (data[1] == type) 10046759a675SJohan Hedberg return true; 10056759a675SJohan Hedberg 10066759a675SJohan Hedberg data += field_len + 1; 10076759a675SJohan Hedberg } 10086759a675SJohan Hedberg 10096759a675SJohan Hedberg return false; 10106759a675SJohan Hedberg } 10116759a675SJohan Hedberg 10121da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10131da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10141da177e4SLinus Torvalds 10153119ae95SJohan Hedberg struct hci_request { 10163119ae95SJohan Hedberg struct hci_dev *hdev; 10173119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10185d73e034SAndre Guedes 10195d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10205d73e034SAndre Guedes * value is stored in this field. 10215d73e034SAndre Guedes */ 10225d73e034SAndre Guedes int err; 10233119ae95SJohan Hedberg }; 10243119ae95SJohan Hedberg 10253119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10263119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 102707dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 102807dc93ddSJohan Hedberg const void *param); 102907dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 103007dc93ddSJohan Hedberg const void *param, u8 event); 10319238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10323119ae95SJohan Hedberg 103375e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 103407dc93ddSJohan Hedberg const void *param, u32 timeout); 10357b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 103607dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 103775e84b7cSJohan Hedberg 103807dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 103907dc93ddSJohan Hedberg const void *param); 104073d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10410d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10421da177e4SLinus Torvalds 1043a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1046470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1047470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1048cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10491da177e4SLinus Torvalds 1050040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1051040030efSMarcel Holtmann 10520381101fSJohan Hedberg /* Management interface */ 1053591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1054591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1055591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1056591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1057591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1058591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1059f39799f5SAndre Guedes 10600d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 10610d8cc935SAndre Guedes * Discovery Procedure specification. 10620d8cc935SAndre Guedes */ 10630d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 10640d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 10650d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 10660d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 10670d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 10680d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 10690d8cc935SAndre Guedes 10700381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1071bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1072bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 10733eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1074744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1075d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 107686a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1077a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 10784796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1079dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1080745c0ce3SVishal Agarwal bool persistent); 1081ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 108204124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 108304124681SGustavo F. Padovan u8 *dev_class); 10849b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1085f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 10867892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 108788c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1088445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 108948264f06SJohan Hedberg u8 addr_type, u8 status); 1090ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1091e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1092c35938b2SSzymon Janc u8 status); 10933eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1094744cf19eSJohan Hedberg u8 status); 1095744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1096272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1097272d90dfSJohan Hedberg u8 confirm_hint); 1098744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1099272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1100272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1101272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1102272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1103272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1104604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1105272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1106272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1107272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 110892a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 110992a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 111092a25256SJohan Hedberg u8 entered); 1111bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1112bab73cb6SJohan Hedberg u8 addr_type, u8 status); 111333ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1114c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11157f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11167f9a903cSMarcel Holtmann u8 status); 1117744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1118744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1119744cf19eSJohan Hedberg u8 *randomizer, u8 status); 1120901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 112104124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 112204124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11239cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1124b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 11252f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 112688c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 112788c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1128346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11295976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1130346af67bSVinicius Costa Gomes 11311da177e4SLinus Torvalds /* HCI info for socket */ 11321da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvalds struct hci_pinfo { 11351da177e4SLinus Torvalds struct bt_sock bt; 11361da177e4SLinus Torvalds struct hci_dev *hdev; 11371da177e4SLinus Torvalds struct hci_filter filter; 11381da177e4SLinus Torvalds __u32 cmsg_mask; 1139c02178d2SJohan Hedberg unsigned short channel; 11401da177e4SLinus Torvalds }; 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvalds /* HCI security filter */ 11431da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11441da177e4SLinus Torvalds 11451da177e4SLinus Torvalds struct hci_sec_filter { 11461da177e4SLinus Torvalds __u32 type_mask; 11471da177e4SLinus Torvalds __u32 event_mask[2]; 11481da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11491da177e4SLinus Torvalds }; 11501da177e4SLinus Torvalds 11511da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11521da177e4SLinus Torvalds #define HCI_REQ_DONE 0 11531da177e4SLinus Torvalds #define HCI_REQ_PEND 1 11541da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 11551da177e4SLinus Torvalds 1156a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1157a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 11581da177e4SLinus Torvalds 11592ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 11602ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1161a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1162a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 11632519a1fcSAndre Guedes 11645d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 11655d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 11665d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 11675d4d62f6SFrédéric Dalleau 11681da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1169