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; 16217fa4b9dSJohan Hedberg __u8 io_capability; 16391c4e9b1SMarcel Holtmann __s8 inq_tx_power; 164f332ec66SJohan Hedberg __u16 page_scan_interval; 165f332ec66SJohan Hedberg __u16 page_scan_window; 166f332ec66SJohan Hedberg __u8 page_scan_type; 167bef64738SMarcel Holtmann __u16 le_scan_interval; 168bef64738SMarcel Holtmann __u16 le_scan_window; 169f332ec66SJohan Hedberg 1702b9be137SMarcel Holtmann __u16 devid_source; 1712b9be137SMarcel Holtmann __u16 devid_vendor; 1722b9be137SMarcel Holtmann __u16 devid_product; 1732b9be137SMarcel Holtmann __u16 devid_version; 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds __u16 pkt_type; 1765b7f9909SMarcel Holtmann __u16 esco_type; 1771da177e4SLinus Torvalds __u16 link_policy; 1781da177e4SLinus Torvalds __u16 link_mode; 1791da177e4SLinus Torvalds 18004837f64SMarcel Holtmann __u32 idle_timeout; 18104837f64SMarcel Holtmann __u16 sniff_min_interval; 18204837f64SMarcel Holtmann __u16 sniff_max_interval; 18304837f64SMarcel Holtmann 184928abaa7SAndrei Emeltchenko __u8 amp_status; 185928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 186928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 187928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 188928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 189928abaa7SAndrei Emeltchenko __u8 amp_type; 190928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 191928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 192928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 193928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 194928abaa7SAndrei Emeltchenko 195903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 196903e4541SAndrei Emeltchenko 1971e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1981e89cffbSAndrei Emeltchenko 1999f61656aSJohan Hedberg unsigned int auto_accept_delay; 2009f61656aSJohan Hedberg 2011da177e4SLinus Torvalds unsigned long quirks; 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds atomic_t cmd_cnt; 2041da177e4SLinus Torvalds unsigned int acl_cnt; 2051da177e4SLinus Torvalds unsigned int sco_cnt; 2066ed58ec5SVille Tervo unsigned int le_cnt; 2071da177e4SLinus Torvalds 2081da177e4SLinus Torvalds unsigned int acl_mtu; 2091da177e4SLinus Torvalds unsigned int sco_mtu; 2106ed58ec5SVille Tervo unsigned int le_mtu; 2111da177e4SLinus Torvalds unsigned int acl_pkts; 2121da177e4SLinus Torvalds unsigned int sco_pkts; 2136ed58ec5SVille Tervo unsigned int le_pkts; 2141da177e4SLinus Torvalds 215350ee4cfSAndrei Emeltchenko __u16 block_len; 216350ee4cfSAndrei Emeltchenko __u16 block_mtu; 217350ee4cfSAndrei Emeltchenko __u16 num_blocks; 218350ee4cfSAndrei Emeltchenko __u16 block_cnt; 219350ee4cfSAndrei Emeltchenko 2201da177e4SLinus Torvalds unsigned long acl_last_tx; 2211da177e4SLinus Torvalds unsigned long sco_last_tx; 2226ed58ec5SVille Tervo unsigned long le_last_tx; 2231da177e4SLinus Torvalds 224f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2256ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 226f48fd9c8SMarcel Holtmann 227ab81cbf9SJohan Hedberg struct work_struct power_on; 2283243553fSJohan Hedberg struct delayed_work power_off; 229ab81cbf9SJohan Hedberg 23016ab91abSJohan Hedberg __u16 discov_timeout; 23116ab91abSJohan Hedberg struct delayed_work discov_off; 23216ab91abSJohan Hedberg 2337d78525dSJohan Hedberg struct delayed_work service_cache; 2347d78525dSJohan Hedberg 2356bd32326SVille Tervo struct timer_list cmd_timer; 236b78752ccSMarcel Holtmann 237b78752ccSMarcel Holtmann struct work_struct rx_work; 238c347b765SGustavo F. Padovan struct work_struct cmd_work; 2393eff45eaSGustavo F. Padovan struct work_struct tx_work; 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds struct sk_buff_head rx_q; 2421da177e4SLinus Torvalds struct sk_buff_head raw_q; 2431da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2441da177e4SLinus Torvalds 245b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2461da177e4SLinus Torvalds struct sk_buff *sent_cmd; 247cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2481da177e4SLinus Torvalds 249a6a67efdSThomas Gleixner struct mutex req_lock; 2501da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2511da177e4SLinus Torvalds __u32 req_status; 2521da177e4SLinus Torvalds __u32 req_result; 253a5040efaSJohan Hedberg 2542e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2552e58ef3eSJohan Hedberg 25630883512SJohan Hedberg struct discovery_state discovery; 2571da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 258ea4bd8baSDavid Miller struct list_head blacklist; 2591da177e4SLinus Torvalds 2602aeb9a1aSJohan Hedberg struct list_head uuids; 2612aeb9a1aSJohan Hedberg 26255ed8ca1SJohan Hedberg struct list_head link_keys; 26355ed8ca1SJohan Hedberg 264b899efafSVinicius Costa Gomes struct list_head long_term_keys; 265b899efafSVinicius Costa Gomes 2662763eda6SSzymon Janc struct list_head remote_oob_data; 2672763eda6SSzymon Janc 2681da177e4SLinus Torvalds struct hci_dev_stats stat; 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds atomic_t promisc; 2711da177e4SLinus Torvalds 272ca325f69SMarcel Holtmann struct dentry *debugfs; 273ca325f69SMarcel Holtmann 274a91f2e39SMarcel Holtmann struct device dev; 2751da177e4SLinus Torvalds 276611b30f7SMarcel Holtmann struct rfkill *rfkill; 277611b30f7SMarcel Holtmann 278d23264a8SAndre Guedes unsigned long dev_flags; 279d23264a8SAndre Guedes 2807ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2817ba8b4beSAndre Guedes 2828fa19098SJohan Hedberg __s8 adv_tx_power; 2833f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2843f0f524bSJohan Hedberg __u8 adv_data_len; 2858fa19098SJohan Hedberg 2861da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2871da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2881da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 289f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2907bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 2911da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2921da177e4SLinus Torvalds }; 2931da177e4SLinus Torvalds 29453502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 29553502d69SAndrei Emeltchenko 2961da177e4SLinus Torvalds struct hci_conn { 2971da177e4SLinus Torvalds struct list_head list; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds atomic_t refcnt; 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds bdaddr_t dst; 30229b7988aSAndre Guedes __u8 dst_type; 303662e8820SMarcel Holtmann bdaddr_t src; 304e7c4096eSMarcel Holtmann __u8 src_type; 3051da177e4SLinus Torvalds __u16 handle; 3061da177e4SLinus Torvalds __u16 state; 30704837f64SMarcel Holtmann __u8 mode; 3081da177e4SLinus Torvalds __u8 type; 309a0c808b3SJohan Hedberg bool out; 3104c67bc74SMarcel Holtmann __u8 attempt; 3111da177e4SLinus Torvalds __u8 dev_class[3]; 312cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 31304837f64SMarcel Holtmann __u16 interval; 314a8746417SMarcel Holtmann __u16 pkt_type; 31504837f64SMarcel Holtmann __u16 link_policy; 3161da177e4SLinus Torvalds __u32 link_mode; 31713d39315SWaldemar Rymarkiewicz __u8 key_type; 31840be492fSMarcel Holtmann __u8 auth_type; 3198c1b2355SMarcel Holtmann __u8 sec_level; 320765c2a96SJohan Hedberg __u8 pending_sec_level; 321980e1a53SJohan Hedberg __u8 pin_length; 322726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 32317fa4b9dSJohan Hedberg __u8 io_capability; 32492a25256SJohan Hedberg __u32 passkey_notify; 32592a25256SJohan Hedberg __u8 passkey_entered; 326052b30b0SMarcel Holtmann __u16 disc_timeout; 32710c62ddcSFrédéric Dalleau __u16 setting; 32851a8efd7SJohan Hedberg unsigned long flags; 3291da177e4SLinus Torvalds 33003b555e1SJohan Hedberg __u8 remote_cap; 33103b555e1SJohan Hedberg __u8 remote_auth; 3323161ae1cSAndrei Emeltchenko __u8 remote_id; 3336ec5bcadSVishal Agarwal bool flush_key; 33403b555e1SJohan Hedberg 3351da177e4SLinus Torvalds unsigned int sent; 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds struct sk_buff_head data_q; 3382c33c06aSGustavo F. Padovan struct list_head chan_list; 3391da177e4SLinus Torvalds 34019c40e3bSGustavo F. Padovan struct delayed_work disc_work; 34104837f64SMarcel Holtmann struct timer_list idle_timer; 3429f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3431da177e4SLinus Torvalds 344b219e3acSMarcel Holtmann struct device dev; 345b219e3acSMarcel Holtmann 3461da177e4SLinus Torvalds struct hci_dev *hdev; 3471da177e4SLinus Torvalds void *l2cap_data; 3481da177e4SLinus Torvalds void *sco_data; 3492b64d153SBrian Gix void *smp_conn; 3509740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds struct hci_conn *link; 353e9a416b5SJohan Hedberg 354e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 355e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 356e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3571da177e4SLinus Torvalds }; 3581da177e4SLinus Torvalds 35973d80debSLuiz Augusto von Dentz struct hci_chan { 36073d80debSLuiz Augusto von Dentz struct list_head list; 36142c4e53eSAndrei Emeltchenko __u16 handle; 36273d80debSLuiz Augusto von Dentz struct hci_conn *conn; 36373d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 36473d80debSLuiz Augusto von Dentz unsigned int sent; 365168df8e5SMat Martineau __u8 state; 36673d80debSLuiz Augusto von Dentz }; 36773d80debSLuiz Augusto von Dentz 3681da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3691da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3701da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3711da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3721da177e4SLinus Torvalds 373686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 374686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 3759e664631SAndrei Emeltchenko extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 376686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 3779e664631SAndrei Emeltchenko extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 378686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 379c3c7ea65SGustavo Padovan extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, 380c3c7ea65SGustavo Padovan u16 flags); 381686ebf28SUlisses Furquim 38220714bfeSFrédéric Dalleau extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 3839e664631SAndrei Emeltchenko extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 3849e664631SAndrei Emeltchenko extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 385686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 386686ebf28SUlisses Furquim 3871da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 38870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 38970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3901da177e4SLinus Torvalds 39130883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3921da177e4SLinus Torvalds { 393ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 39430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 39530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 39630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3971da177e4SLinus Torvalds } 3981da177e4SLinus Torvalds 39930dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 40030dc78e1SJohan Hedberg 401ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 402ff9ef578SJohan Hedberg 4031da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4041da177e4SLinus Torvalds { 40530883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4061da177e4SLinus Torvalds } 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4091da177e4SLinus Torvalds { 41030883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4111da177e4SLinus Torvalds return jiffies - c->timestamp; 4121da177e4SLinus Torvalds } 4131da177e4SLinus Torvalds 4141da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4151da177e4SLinus Torvalds { 4161da177e4SLinus Torvalds return jiffies - e->timestamp; 4171da177e4SLinus Torvalds } 4181da177e4SLinus Torvalds 4195a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4205a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 421561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 422561aafbcSJohan Hedberg bdaddr_t *bdaddr); 42330dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 42430dc78e1SJohan Hedberg bdaddr_t *bdaddr, 42530dc78e1SJohan Hedberg int state); 426a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 427a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4283175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 429388fc8faSJohan Hedberg bool name_known, bool *ssp); 4301f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4331da177e4SLinus Torvalds enum { 4341da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 43519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4361da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 43704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 43804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 439e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 440d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 441b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 44258a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 44358a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 44458a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4451da177e4SLinus Torvalds }; 4461da177e4SLinus Torvalds 447aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 448aa64a8b5SJohan Hedberg { 449aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 450c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 451c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 452aa64a8b5SJohan Hedberg } 453aa64a8b5SJohan Hedberg 4541da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4551da177e4SLinus Torvalds { 4561da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 457bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 458fcd89c09SVille Tervo switch (c->type) { 459fcd89c09SVille Tervo case ACL_LINK: 4601da177e4SLinus Torvalds h->acl_num++; 461fcd89c09SVille Tervo break; 462bd1eb66bSAndrei Emeltchenko case AMP_LINK: 463bd1eb66bSAndrei Emeltchenko h->amp_num++; 464bd1eb66bSAndrei Emeltchenko break; 465fcd89c09SVille Tervo case LE_LINK: 466fcd89c09SVille Tervo h->le_num++; 467fcd89c09SVille Tervo break; 468fcd89c09SVille Tervo case SCO_LINK: 469fcd89c09SVille Tervo case ESCO_LINK: 4701da177e4SLinus Torvalds h->sco_num++; 471fcd89c09SVille Tervo break; 472fcd89c09SVille Tervo } 4731da177e4SLinus Torvalds } 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4761da177e4SLinus Torvalds { 4771da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 478bf4c6325SGustavo F. Padovan 479bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 480bf4c6325SGustavo F. Padovan synchronize_rcu(); 481bf4c6325SGustavo F. Padovan 482fcd89c09SVille Tervo switch (c->type) { 483fcd89c09SVille Tervo case ACL_LINK: 4841da177e4SLinus Torvalds h->acl_num--; 485fcd89c09SVille Tervo break; 486bd1eb66bSAndrei Emeltchenko case AMP_LINK: 487bd1eb66bSAndrei Emeltchenko h->amp_num--; 488bd1eb66bSAndrei Emeltchenko break; 489fcd89c09SVille Tervo case LE_LINK: 490fcd89c09SVille Tervo h->le_num--; 491fcd89c09SVille Tervo break; 492fcd89c09SVille Tervo case SCO_LINK: 493fcd89c09SVille Tervo case ESCO_LINK: 4941da177e4SLinus Torvalds h->sco_num--; 495fcd89c09SVille Tervo break; 496fcd89c09SVille Tervo } 4971da177e4SLinus Torvalds } 4981da177e4SLinus Torvalds 49952087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 50052087a79SLuiz Augusto von Dentz { 50152087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 50252087a79SLuiz Augusto von Dentz switch (type) { 50352087a79SLuiz Augusto von Dentz case ACL_LINK: 50452087a79SLuiz Augusto von Dentz return h->acl_num; 505bd1eb66bSAndrei Emeltchenko case AMP_LINK: 506bd1eb66bSAndrei Emeltchenko return h->amp_num; 50752087a79SLuiz Augusto von Dentz case LE_LINK: 50852087a79SLuiz Augusto von Dentz return h->le_num; 50952087a79SLuiz Augusto von Dentz case SCO_LINK: 51052087a79SLuiz Augusto von Dentz case ESCO_LINK: 51152087a79SLuiz Augusto von Dentz return h->sco_num; 51252087a79SLuiz Augusto von Dentz default: 51352087a79SLuiz Augusto von Dentz return 0; 51452087a79SLuiz Augusto von Dentz } 51552087a79SLuiz Augusto von Dentz } 51652087a79SLuiz Augusto von Dentz 5171da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5181da177e4SLinus Torvalds __u16 handle) 5191da177e4SLinus Torvalds { 5201da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5211da177e4SLinus Torvalds struct hci_conn *c; 5221da177e4SLinus Torvalds 523bf4c6325SGustavo F. Padovan rcu_read_lock(); 524bf4c6325SGustavo F. Padovan 525bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 526bf4c6325SGustavo F. Padovan if (c->handle == handle) { 527bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5281da177e4SLinus Torvalds return c; 5291da177e4SLinus Torvalds } 530bf4c6325SGustavo F. Padovan } 531bf4c6325SGustavo F. Padovan rcu_read_unlock(); 532bf4c6325SGustavo F. Padovan 5331da177e4SLinus Torvalds return NULL; 5341da177e4SLinus Torvalds } 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5371da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5381da177e4SLinus Torvalds { 5391da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5401da177e4SLinus Torvalds struct hci_conn *c; 5411da177e4SLinus Torvalds 542bf4c6325SGustavo F. Padovan rcu_read_lock(); 543bf4c6325SGustavo F. Padovan 544bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 545bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 546bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5471da177e4SLinus Torvalds return c; 5481da177e4SLinus Torvalds } 549bf4c6325SGustavo F. Padovan } 550bf4c6325SGustavo F. Padovan 551bf4c6325SGustavo F. Padovan rcu_read_unlock(); 552bf4c6325SGustavo F. Padovan 5531da177e4SLinus Torvalds return NULL; 5541da177e4SLinus Torvalds } 5551da177e4SLinus Torvalds 5564c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5574c67bc74SMarcel Holtmann __u8 type, __u16 state) 5584c67bc74SMarcel Holtmann { 5594c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5604c67bc74SMarcel Holtmann struct hci_conn *c; 5614c67bc74SMarcel Holtmann 562bf4c6325SGustavo F. Padovan rcu_read_lock(); 563bf4c6325SGustavo F. Padovan 564bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 565bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 566bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5674c67bc74SMarcel Holtmann return c; 5684c67bc74SMarcel Holtmann } 569bf4c6325SGustavo F. Padovan } 570bf4c6325SGustavo F. Padovan 571bf4c6325SGustavo F. Padovan rcu_read_unlock(); 572bf4c6325SGustavo F. Padovan 5734c67bc74SMarcel Holtmann return NULL; 5744c67bc74SMarcel Holtmann } 5754c67bc74SMarcel Holtmann 576bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5772dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 578e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5791da177e4SLinus Torvalds 5801da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5811da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5821da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 583a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5841da177e4SLinus Torvalds 58573d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 5869472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 5872c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 58842c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 58973d80debSLuiz Augusto von Dentz 5905a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 591b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 59210c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 59310c62ddcSFrédéric Dalleau __u16 setting); 594e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 595b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5960684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5971da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5988c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5991da177e4SLinus Torvalds 60014b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6011da177e4SLinus Torvalds 6028d12356fSDavid Herrmann /* 6038d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6048d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6058d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6068d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6078d12356fSDavid Herrmann * other constant data. 6088d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6098d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6108d12356fSDavid Herrmann * get dropped, though. 6118d12356fSDavid Herrmann * 6128d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6138d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6148d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6158d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6168d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6178d12356fSDavid Herrmann * hci_conn_add()). 6188d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6198d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6208d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6218d12356fSDavid Herrmann */ 6228d12356fSDavid Herrmann 6238d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6248d12356fSDavid Herrmann { 6258d12356fSDavid Herrmann get_device(&conn->dev); 6268d12356fSDavid Herrmann } 6278d12356fSDavid Herrmann 6288d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6298d12356fSDavid Herrmann { 6308d12356fSDavid Herrmann put_device(&conn->dev); 6318d12356fSDavid Herrmann } 6328d12356fSDavid Herrmann 6331da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6341da177e4SLinus Torvalds { 63571becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63638b3fef1SAndrei Emeltchenko 6371da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6382f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6391da177e4SLinus Torvalds } 6401da177e4SLinus Torvalds 64176a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6421da177e4SLinus Torvalds { 64371becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 64438b3fef1SAndrei Emeltchenko 6451da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 64604837f64SMarcel Holtmann unsigned long timeo; 647716e4ab5SAndrei Emeltchenko 648716e4ab5SAndrei Emeltchenko switch (conn->type) { 649716e4ab5SAndrei Emeltchenko case ACL_LINK: 650716e4ab5SAndrei Emeltchenko case LE_LINK: 6516ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6526ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6535f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 65404837f64SMarcel Holtmann if (!conn->out) 655052b30b0SMarcel Holtmann timeo *= 2; 6565a9d0a3fSWaldemar Rymarkiewicz } else { 6576ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6585a9d0a3fSWaldemar Rymarkiewicz } 659716e4ab5SAndrei Emeltchenko break; 660716e4ab5SAndrei Emeltchenko 661716e4ab5SAndrei Emeltchenko case AMP_LINK: 662716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 663716e4ab5SAndrei Emeltchenko break; 664716e4ab5SAndrei Emeltchenko 665716e4ab5SAndrei Emeltchenko default: 66604837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 667716e4ab5SAndrei Emeltchenko break; 6685a9d0a3fSWaldemar Rymarkiewicz } 669716e4ab5SAndrei Emeltchenko 6702f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 67119c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6721931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6731da177e4SLinus Torvalds } 6741da177e4SLinus Torvalds } 6751da177e4SLinus Torvalds 6761da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 677dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6781da177e4SLinus Torvalds { 679376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 680376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 681376261aeSAndrei Emeltchenko 6824c724c71SDavid Herrmann put_device(&d->dev); 683010666a1SDavid Herrmann } 6841da177e4SLinus Torvalds 685dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6861da177e4SLinus Torvalds { 687376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 688376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 689376261aeSAndrei Emeltchenko 6904c724c71SDavid Herrmann get_device(&d->dev); 6911da177e4SLinus Torvalds return d; 6921da177e4SLinus Torvalds } 6931da177e4SLinus Torvalds 69409fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 69509fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6961da177e4SLinus Torvalds 697aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6983dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 699aa2b86d7SDavid Herrmann 700155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 701155961e8SDavid Herrmann { 702155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 703155961e8SDavid Herrmann } 704155961e8SDavid Herrmann 705155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 706155961e8SDavid Herrmann { 707155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 708155961e8SDavid Herrmann } 709155961e8SDavid Herrmann 7101da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7110c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7121da177e4SLinus Torvalds 7131da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7141da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7151da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 71659735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7171da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7181da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7191da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7201da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7211da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7221da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7231da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7241da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7251da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7261da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7271da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 72840be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7291da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7301da177e4SLinus Torvalds 731c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 732c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 733f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 73488c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 73588c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 736f0358568SJohan Hedberg 7372aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7382aeb9a1aSJohan Hedberg 73955ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 74055ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 741d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 742d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 743c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 744c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7459a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7469a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 747c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 748c9839a11SVinicius Costa Gomes u8 addr_type); 749b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 750b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 75155ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 75255ed8ca1SJohan Hedberg 7532763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7542763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7552763eda6SSzymon Janc bdaddr_t *bdaddr); 7562763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 7572763eda6SSzymon Janc u8 *randomizer); 7582763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7592763eda6SSzymon Janc 7601da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7611da177e4SLinus Torvalds 762e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 763ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 76499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 765ef222013SMarcel Holtmann 7660ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 767ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 768ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 769a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 770b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 771b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7721da177e4SLinus Torvalds 7736935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7741da177e4SLinus Torvalds 7751da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 776cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 777cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 778cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 779cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 780cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 781cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 782cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 783cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 784cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 785cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 786cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 787cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 788cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 789cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 790cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 791cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 792cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 793cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 79407a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 7951da177e4SLinus Torvalds 796eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 797cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 798cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 799cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 800eead27daSAndre Guedes 8011da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 80220714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 80320714bfeSFrédéric Dalleau 8045a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 80520714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8061da177e4SLinus Torvalds { 807686ebf28SUlisses Furquim switch (type) { 808686ebf28SUlisses Furquim case ACL_LINK: 809686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8101da177e4SLinus Torvalds 811686ebf28SUlisses Furquim case SCO_LINK: 812686ebf28SUlisses Furquim case ESCO_LINK: 81320714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8141da177e4SLinus Torvalds 815686ebf28SUlisses Furquim default: 816686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 817686ebf28SUlisses Furquim return -EINVAL; 818686ebf28SUlisses Furquim } 8191da177e4SLinus Torvalds } 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8221da177e4SLinus Torvalds { 823686ebf28SUlisses Furquim switch (conn->type) { 824686ebf28SUlisses Furquim case ACL_LINK: 825686ebf28SUlisses Furquim case LE_LINK: 826686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 827686ebf28SUlisses Furquim break; 8281da177e4SLinus Torvalds 829686ebf28SUlisses Furquim case SCO_LINK: 830686ebf28SUlisses Furquim case ESCO_LINK: 831686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 832686ebf28SUlisses Furquim break; 8331da177e4SLinus Torvalds 834686ebf28SUlisses Furquim default: 835686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 836686ebf28SUlisses Furquim break; 837686ebf28SUlisses Furquim } 838e9a416b5SJohan Hedberg 839e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 840e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8411da177e4SLinus Torvalds } 8421da177e4SLinus Torvalds 8432950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8442950f21aSMarcel Holtmann { 845686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 846686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8472950f21aSMarcel Holtmann 848686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8492950f21aSMarcel Holtmann } 8502950f21aSMarcel Holtmann 8512950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8521da177e4SLinus Torvalds { 853686ebf28SUlisses Furquim switch (conn->type) { 854686ebf28SUlisses Furquim case ACL_LINK: 855686ebf28SUlisses Furquim case LE_LINK: 856686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 857686ebf28SUlisses Furquim break; 8581da177e4SLinus Torvalds 859686ebf28SUlisses Furquim case SCO_LINK: 860686ebf28SUlisses Furquim case ESCO_LINK: 861686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 862686ebf28SUlisses Furquim break; 8631da177e4SLinus Torvalds 864bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 865bd1eb66bSAndrei Emeltchenko case AMP_LINK: 866bd1eb66bSAndrei Emeltchenko break; 867bd1eb66bSAndrei Emeltchenko 868686ebf28SUlisses Furquim default: 869686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 870686ebf28SUlisses Furquim break; 871686ebf28SUlisses Furquim } 872e9a416b5SJohan Hedberg 873e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 874e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 8781da177e4SLinus Torvalds { 8798c1b2355SMarcel Holtmann __u8 encrypt; 8808c1b2355SMarcel Holtmann 881686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 882686ebf28SUlisses Furquim return; 883686ebf28SUlisses Furquim 88451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8858c1b2355SMarcel Holtmann return; 8868c1b2355SMarcel Holtmann 8878c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 888686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 889e9a416b5SJohan Hedberg 890e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 891e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8921da177e4SLinus Torvalds } 8931da177e4SLinus Torvalds 8945a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8955a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8961da177e4SLinus Torvalds { 897686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 898686ebf28SUlisses Furquim return; 8991da177e4SLinus Torvalds 900686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 901e9a416b5SJohan Hedberg 902e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 903e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9041da177e4SLinus Torvalds } 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9071da177e4SLinus Torvalds struct hci_cb { 9081da177e4SLinus Torvalds struct list_head list; 9091da177e4SLinus Torvalds 9101da177e4SLinus Torvalds char *name; 9111da177e4SLinus Torvalds 9125a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9135a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9141da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9151da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9161da177e4SLinus Torvalds }; 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9191da177e4SLinus Torvalds { 920711584eaSDenis Kirjanov struct hci_cb *cb; 9218c1b2355SMarcel Holtmann __u8 encrypt; 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9241da177e4SLinus Torvalds 92551a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9268c1b2355SMarcel Holtmann return; 9278c1b2355SMarcel Holtmann 9288c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9298c1b2355SMarcel Holtmann 930f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 931711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9328c1b2355SMarcel Holtmann if (cb->security_cfm) 9338c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9341da177e4SLinus Torvalds } 935f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9361da177e4SLinus Torvalds } 9371da177e4SLinus Torvalds 9385a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9395a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9401da177e4SLinus Torvalds { 941711584eaSDenis Kirjanov struct hci_cb *cb; 9421da177e4SLinus Torvalds 943435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 944435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 945435fef20SMarcel Holtmann 94688167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 94788167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 94888167aedSVinicius Costa Gomes 9499719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9501da177e4SLinus Torvalds 951f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 952711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9538c1b2355SMarcel Holtmann if (cb->security_cfm) 9548c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9551da177e4SLinus Torvalds } 956f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9571da177e4SLinus Torvalds } 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9601da177e4SLinus Torvalds { 961711584eaSDenis Kirjanov struct hci_cb *cb; 9621da177e4SLinus Torvalds 963f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 964711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9651da177e4SLinus Torvalds if (cb->key_change_cfm) 9661da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9671da177e4SLinus Torvalds } 968f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9691da177e4SLinus Torvalds } 9701da177e4SLinus Torvalds 9715a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9725a9d0a3fSWaldemar Rymarkiewicz __u8 role) 9731da177e4SLinus Torvalds { 974711584eaSDenis Kirjanov struct hci_cb *cb; 9751da177e4SLinus Torvalds 976f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 977711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9781da177e4SLinus Torvalds if (cb->role_switch_cfm) 9791da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9801da177e4SLinus Torvalds } 981f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9821da177e4SLinus Torvalds } 9831da177e4SLinus Torvalds 9846759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9856759a675SJohan Hedberg { 98684d9d071SJohan Hedberg size_t parsed = 0; 9876759a675SJohan Hedberg 9886c0c331eSJohan Hedberg if (data_len < 2) 9896c0c331eSJohan Hedberg return false; 9906c0c331eSJohan Hedberg 99184d9d071SJohan Hedberg while (parsed < data_len - 1) { 99284d9d071SJohan Hedberg u8 field_len = data[0]; 9936759a675SJohan Hedberg 9946759a675SJohan Hedberg if (field_len == 0) 9956759a675SJohan Hedberg break; 9966759a675SJohan Hedberg 9976759a675SJohan Hedberg parsed += field_len + 1; 9986759a675SJohan Hedberg 9996759a675SJohan Hedberg if (parsed > data_len) 10006759a675SJohan Hedberg break; 10016759a675SJohan Hedberg 10026759a675SJohan Hedberg if (data[1] == type) 10036759a675SJohan Hedberg return true; 10046759a675SJohan Hedberg 10056759a675SJohan Hedberg data += field_len + 1; 10066759a675SJohan Hedberg } 10076759a675SJohan Hedberg 10086759a675SJohan Hedberg return false; 10096759a675SJohan Hedberg } 10106759a675SJohan Hedberg 10119d939d94SVishal Agarwal static inline size_t eir_get_length(u8 *eir, size_t eir_len) 10129d939d94SVishal Agarwal { 10139d939d94SVishal Agarwal size_t parsed = 0; 10149d939d94SVishal Agarwal 10159d939d94SVishal Agarwal while (parsed < eir_len) { 10169d939d94SVishal Agarwal u8 field_len = eir[0]; 10179d939d94SVishal Agarwal 10189d939d94SVishal Agarwal if (field_len == 0) 10199d939d94SVishal Agarwal return parsed; 10209d939d94SVishal Agarwal 10219d939d94SVishal Agarwal parsed += field_len + 1; 10229d939d94SVishal Agarwal eir += field_len + 1; 10239d939d94SVishal Agarwal } 10249d939d94SVishal Agarwal 10259d939d94SVishal Agarwal return eir_len; 10269d939d94SVishal Agarwal } 10279d939d94SVishal Agarwal 10281dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 10291dc06093SJohan Hedberg u8 data_len) 10301dc06093SJohan Hedberg { 10311dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 10321dc06093SJohan Hedberg eir[eir_len++] = type; 10331dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 10341dc06093SJohan Hedberg eir_len += data_len; 10351dc06093SJohan Hedberg 10361dc06093SJohan Hedberg return eir_len; 10371dc06093SJohan Hedberg } 10381dc06093SJohan Hedberg 10391da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10401da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10411da177e4SLinus Torvalds 10423119ae95SJohan Hedberg struct hci_request { 10433119ae95SJohan Hedberg struct hci_dev *hdev; 10443119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10455d73e034SAndre Guedes 10465d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10475d73e034SAndre Guedes * value is stored in this field. 10485d73e034SAndre Guedes */ 10495d73e034SAndre Guedes int err; 10503119ae95SJohan Hedberg }; 10513119ae95SJohan Hedberg 10523119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10533119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 105407dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 105507dc93ddSJohan Hedberg const void *param); 105607dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 105707dc93ddSJohan Hedberg const void *param, u8 event); 10589238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10593119ae95SJohan Hedberg 106075e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 106107dc93ddSJohan Hedberg const void *param, u32 timeout); 10627b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 106307dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 106475e84b7cSJohan Hedberg 106507dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 106607dc93ddSJohan Hedberg const void *param); 106773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10680d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10691da177e4SLinus Torvalds 1070a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1073470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1074470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1075cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10761da177e4SLinus Torvalds 1077040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1078040030efSMarcel Holtmann 10790381101fSJohan Hedberg /* Management interface */ 1080591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1081591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1082591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1083591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1084591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1085591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1086f39799f5SAndre Guedes 10870d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 10880d8cc935SAndre Guedes * Discovery Procedure specification. 10890d8cc935SAndre Guedes */ 10900d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 10910d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 10920d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 10930d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 10940d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 10950d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 10960d8cc935SAndre Guedes 10970381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1098bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1099bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 11003eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1101744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1102744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1103744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 1104744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1105744cf19eSJohan Hedberg int 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); 1116744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1117744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1118c35938b2SSzymon Janc u8 status); 1119744cf19eSJohan Hedberg int 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); 1137bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1138bab73cb6SJohan Hedberg u8 addr_type, u8 status); 113933ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1140c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11417f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11427f9a903cSMarcel Holtmann u8 status); 1143744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1144744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1145744cf19eSJohan Hedberg u8 *randomizer, u8 status); 1146901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 114704124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 114804124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11499cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1150b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 11512f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 115288c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 115388c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1154346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11555976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1156346af67bSVinicius Costa Gomes 11571da177e4SLinus Torvalds /* HCI info for socket */ 11581da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvalds struct hci_pinfo { 11611da177e4SLinus Torvalds struct bt_sock bt; 11621da177e4SLinus Torvalds struct hci_dev *hdev; 11631da177e4SLinus Torvalds struct hci_filter filter; 11641da177e4SLinus Torvalds __u32 cmsg_mask; 1165c02178d2SJohan Hedberg unsigned short channel; 11661da177e4SLinus Torvalds }; 11671da177e4SLinus Torvalds 11681da177e4SLinus Torvalds /* HCI security filter */ 11691da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11701da177e4SLinus Torvalds 11711da177e4SLinus Torvalds struct hci_sec_filter { 11721da177e4SLinus Torvalds __u32 type_mask; 11731da177e4SLinus Torvalds __u32 event_mask[2]; 11741da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11751da177e4SLinus Torvalds }; 11761da177e4SLinus Torvalds 11771da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11781da177e4SLinus Torvalds #define HCI_REQ_DONE 0 11791da177e4SLinus Torvalds #define HCI_REQ_PEND 1 11801da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 11811da177e4SLinus Torvalds 1182a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1183a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 11841da177e4SLinus Torvalds 118504b4edcbSJohan Hedberg void hci_update_ad(struct hci_request *req); 118604b4edcbSJohan Hedberg 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