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; 286f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 287f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 2888fa19098SJohan Hedberg 2891da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2901da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2911da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 292f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2937bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 2941da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2951da177e4SLinus Torvalds }; 2961da177e4SLinus Torvalds 29753502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 29853502d69SAndrei Emeltchenko 2991da177e4SLinus Torvalds struct hci_conn { 3001da177e4SLinus Torvalds struct list_head list; 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds atomic_t refcnt; 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvalds bdaddr_t dst; 30529b7988aSAndre Guedes __u8 dst_type; 306662e8820SMarcel Holtmann bdaddr_t src; 307e7c4096eSMarcel Holtmann __u8 src_type; 3081da177e4SLinus Torvalds __u16 handle; 3091da177e4SLinus Torvalds __u16 state; 31004837f64SMarcel Holtmann __u8 mode; 3111da177e4SLinus Torvalds __u8 type; 312a0c808b3SJohan Hedberg bool out; 3134c67bc74SMarcel Holtmann __u8 attempt; 3141da177e4SLinus Torvalds __u8 dev_class[3]; 315cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 31604837f64SMarcel Holtmann __u16 interval; 317a8746417SMarcel Holtmann __u16 pkt_type; 31804837f64SMarcel Holtmann __u16 link_policy; 3191da177e4SLinus Torvalds __u32 link_mode; 32013d39315SWaldemar Rymarkiewicz __u8 key_type; 32140be492fSMarcel Holtmann __u8 auth_type; 3228c1b2355SMarcel Holtmann __u8 sec_level; 323765c2a96SJohan Hedberg __u8 pending_sec_level; 324980e1a53SJohan Hedberg __u8 pin_length; 325726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 32617fa4b9dSJohan Hedberg __u8 io_capability; 32792a25256SJohan Hedberg __u32 passkey_notify; 32892a25256SJohan Hedberg __u8 passkey_entered; 329052b30b0SMarcel Holtmann __u16 disc_timeout; 33010c62ddcSFrédéric Dalleau __u16 setting; 33151a8efd7SJohan Hedberg unsigned long flags; 3321da177e4SLinus Torvalds 33303b555e1SJohan Hedberg __u8 remote_cap; 33403b555e1SJohan Hedberg __u8 remote_auth; 3353161ae1cSAndrei Emeltchenko __u8 remote_id; 3366ec5bcadSVishal Agarwal bool flush_key; 33703b555e1SJohan Hedberg 3381da177e4SLinus Torvalds unsigned int sent; 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds struct sk_buff_head data_q; 3412c33c06aSGustavo F. Padovan struct list_head chan_list; 3421da177e4SLinus Torvalds 34319c40e3bSGustavo F. Padovan struct delayed_work disc_work; 3447bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 34504837f64SMarcel Holtmann struct timer_list idle_timer; 3461da177e4SLinus Torvalds 347b219e3acSMarcel Holtmann struct device dev; 348b219e3acSMarcel Holtmann 3491da177e4SLinus Torvalds struct hci_dev *hdev; 3501da177e4SLinus Torvalds void *l2cap_data; 3511da177e4SLinus Torvalds void *sco_data; 3522b64d153SBrian Gix void *smp_conn; 3539740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds struct hci_conn *link; 356e9a416b5SJohan Hedberg 357e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 358e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 359e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3601da177e4SLinus Torvalds }; 3611da177e4SLinus Torvalds 36273d80debSLuiz Augusto von Dentz struct hci_chan { 36373d80debSLuiz Augusto von Dentz struct list_head list; 36442c4e53eSAndrei Emeltchenko __u16 handle; 36573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 36673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 36773d80debSLuiz Augusto von Dentz unsigned int sent; 368168df8e5SMat Martineau __u8 state; 36973d80debSLuiz Augusto von Dentz }; 37073d80debSLuiz Augusto von Dentz 3711da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3721da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3731da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3741da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3751da177e4SLinus Torvalds 376686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 377686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 3789e664631SAndrei Emeltchenko extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 379686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 3809e664631SAndrei Emeltchenko extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 381686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 382c3c7ea65SGustavo Padovan extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, 383c3c7ea65SGustavo Padovan u16 flags); 384686ebf28SUlisses Furquim 38520714bfeSFrédéric Dalleau extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 3869e664631SAndrei Emeltchenko extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 3879e664631SAndrei Emeltchenko extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 388686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 389686ebf28SUlisses Furquim 3901da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 39170f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 39270f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3931da177e4SLinus Torvalds 39430883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3951da177e4SLinus Torvalds { 396ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 39730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 39830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 39930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4001da177e4SLinus Torvalds } 4011da177e4SLinus Torvalds 40230dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 40330dc78e1SJohan Hedberg 404ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 405ff9ef578SJohan Hedberg 4061da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4071da177e4SLinus Torvalds { 40830883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4091da177e4SLinus Torvalds } 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4121da177e4SLinus Torvalds { 41330883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4141da177e4SLinus Torvalds return jiffies - c->timestamp; 4151da177e4SLinus Torvalds } 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4181da177e4SLinus Torvalds { 4191da177e4SLinus Torvalds return jiffies - e->timestamp; 4201da177e4SLinus Torvalds } 4211da177e4SLinus Torvalds 4225a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4235a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 424561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 425561aafbcSJohan Hedberg bdaddr_t *bdaddr); 42630dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 42730dc78e1SJohan Hedberg bdaddr_t *bdaddr, 42830dc78e1SJohan Hedberg int state); 429a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 430a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4313175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 432388fc8faSJohan Hedberg bool name_known, bool *ssp); 4331f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4341da177e4SLinus Torvalds 4351da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4361da177e4SLinus Torvalds enum { 4371da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 43819f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4391da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 44004837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 44104837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 442e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 443d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 444b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 44558a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 44658a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 44758a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4481da177e4SLinus Torvalds }; 4491da177e4SLinus Torvalds 450aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 451aa64a8b5SJohan Hedberg { 452aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 453c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 454c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 455aa64a8b5SJohan Hedberg } 456aa64a8b5SJohan Hedberg 4571da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4581da177e4SLinus Torvalds { 4591da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 460bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 461fcd89c09SVille Tervo switch (c->type) { 462fcd89c09SVille Tervo case ACL_LINK: 4631da177e4SLinus Torvalds h->acl_num++; 464fcd89c09SVille Tervo break; 465bd1eb66bSAndrei Emeltchenko case AMP_LINK: 466bd1eb66bSAndrei Emeltchenko h->amp_num++; 467bd1eb66bSAndrei Emeltchenko break; 468fcd89c09SVille Tervo case LE_LINK: 469fcd89c09SVille Tervo h->le_num++; 470fcd89c09SVille Tervo break; 471fcd89c09SVille Tervo case SCO_LINK: 472fcd89c09SVille Tervo case ESCO_LINK: 4731da177e4SLinus Torvalds h->sco_num++; 474fcd89c09SVille Tervo break; 475fcd89c09SVille Tervo } 4761da177e4SLinus Torvalds } 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4791da177e4SLinus Torvalds { 4801da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 481bf4c6325SGustavo F. Padovan 482bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 483bf4c6325SGustavo F. Padovan synchronize_rcu(); 484bf4c6325SGustavo F. Padovan 485fcd89c09SVille Tervo switch (c->type) { 486fcd89c09SVille Tervo case ACL_LINK: 4871da177e4SLinus Torvalds h->acl_num--; 488fcd89c09SVille Tervo break; 489bd1eb66bSAndrei Emeltchenko case AMP_LINK: 490bd1eb66bSAndrei Emeltchenko h->amp_num--; 491bd1eb66bSAndrei Emeltchenko break; 492fcd89c09SVille Tervo case LE_LINK: 493fcd89c09SVille Tervo h->le_num--; 494fcd89c09SVille Tervo break; 495fcd89c09SVille Tervo case SCO_LINK: 496fcd89c09SVille Tervo case ESCO_LINK: 4971da177e4SLinus Torvalds h->sco_num--; 498fcd89c09SVille Tervo break; 499fcd89c09SVille Tervo } 5001da177e4SLinus Torvalds } 5011da177e4SLinus Torvalds 50252087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 50352087a79SLuiz Augusto von Dentz { 50452087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 50552087a79SLuiz Augusto von Dentz switch (type) { 50652087a79SLuiz Augusto von Dentz case ACL_LINK: 50752087a79SLuiz Augusto von Dentz return h->acl_num; 508bd1eb66bSAndrei Emeltchenko case AMP_LINK: 509bd1eb66bSAndrei Emeltchenko return h->amp_num; 51052087a79SLuiz Augusto von Dentz case LE_LINK: 51152087a79SLuiz Augusto von Dentz return h->le_num; 51252087a79SLuiz Augusto von Dentz case SCO_LINK: 51352087a79SLuiz Augusto von Dentz case ESCO_LINK: 51452087a79SLuiz Augusto von Dentz return h->sco_num; 51552087a79SLuiz Augusto von Dentz default: 51652087a79SLuiz Augusto von Dentz return 0; 51752087a79SLuiz Augusto von Dentz } 51852087a79SLuiz Augusto von Dentz } 51952087a79SLuiz Augusto von Dentz 5201da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5211da177e4SLinus Torvalds __u16 handle) 5221da177e4SLinus Torvalds { 5231da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5241da177e4SLinus Torvalds struct hci_conn *c; 5251da177e4SLinus Torvalds 526bf4c6325SGustavo F. Padovan rcu_read_lock(); 527bf4c6325SGustavo F. Padovan 528bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 529bf4c6325SGustavo F. Padovan if (c->handle == handle) { 530bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5311da177e4SLinus Torvalds return c; 5321da177e4SLinus Torvalds } 533bf4c6325SGustavo F. Padovan } 534bf4c6325SGustavo F. Padovan rcu_read_unlock(); 535bf4c6325SGustavo F. Padovan 5361da177e4SLinus Torvalds return NULL; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5401da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5411da177e4SLinus Torvalds { 5421da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5431da177e4SLinus Torvalds struct hci_conn *c; 5441da177e4SLinus Torvalds 545bf4c6325SGustavo F. Padovan rcu_read_lock(); 546bf4c6325SGustavo F. Padovan 547bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 548bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 549bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5501da177e4SLinus Torvalds return c; 5511da177e4SLinus Torvalds } 552bf4c6325SGustavo F. Padovan } 553bf4c6325SGustavo F. Padovan 554bf4c6325SGustavo F. Padovan rcu_read_unlock(); 555bf4c6325SGustavo F. Padovan 5561da177e4SLinus Torvalds return NULL; 5571da177e4SLinus Torvalds } 5581da177e4SLinus Torvalds 5594c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5604c67bc74SMarcel Holtmann __u8 type, __u16 state) 5614c67bc74SMarcel Holtmann { 5624c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5634c67bc74SMarcel Holtmann struct hci_conn *c; 5644c67bc74SMarcel Holtmann 565bf4c6325SGustavo F. Padovan rcu_read_lock(); 566bf4c6325SGustavo F. Padovan 567bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 568bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 569bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5704c67bc74SMarcel Holtmann return c; 5714c67bc74SMarcel Holtmann } 572bf4c6325SGustavo F. Padovan } 573bf4c6325SGustavo F. Padovan 574bf4c6325SGustavo F. Padovan rcu_read_unlock(); 575bf4c6325SGustavo F. Padovan 5764c67bc74SMarcel Holtmann return NULL; 5774c67bc74SMarcel Holtmann } 5784c67bc74SMarcel Holtmann 579bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5802dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 581e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5841da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5851da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 586a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5871da177e4SLinus Torvalds 58873d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 5899472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 5902c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 59142c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 59273d80debSLuiz Augusto von Dentz 5935a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 594b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 59510c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 59610c62ddcSFrédéric Dalleau __u16 setting); 597e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 598b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5990684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6001da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6018c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6021da177e4SLinus Torvalds 60314b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6041da177e4SLinus Torvalds 6058d12356fSDavid Herrmann /* 6068d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6078d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6088d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6098d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6108d12356fSDavid Herrmann * other constant data. 6118d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6128d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6138d12356fSDavid Herrmann * get dropped, though. 6148d12356fSDavid Herrmann * 6158d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6168d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6178d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6188d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6198d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6208d12356fSDavid Herrmann * hci_conn_add()). 6218d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6228d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6238d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6248d12356fSDavid Herrmann */ 6258d12356fSDavid Herrmann 6268d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6278d12356fSDavid Herrmann { 6288d12356fSDavid Herrmann get_device(&conn->dev); 6298d12356fSDavid Herrmann } 6308d12356fSDavid Herrmann 6318d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6328d12356fSDavid Herrmann { 6338d12356fSDavid Herrmann put_device(&conn->dev); 6348d12356fSDavid Herrmann } 6358d12356fSDavid Herrmann 6361da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6371da177e4SLinus Torvalds { 63871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63938b3fef1SAndrei Emeltchenko 6401da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6412f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 64476a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6451da177e4SLinus Torvalds { 64671becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 64738b3fef1SAndrei Emeltchenko 6481da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 64904837f64SMarcel Holtmann unsigned long timeo; 650716e4ab5SAndrei Emeltchenko 651716e4ab5SAndrei Emeltchenko switch (conn->type) { 652716e4ab5SAndrei Emeltchenko case ACL_LINK: 653716e4ab5SAndrei Emeltchenko case LE_LINK: 6546ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6556ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6565f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 65704837f64SMarcel Holtmann if (!conn->out) 658052b30b0SMarcel Holtmann timeo *= 2; 6595a9d0a3fSWaldemar Rymarkiewicz } else { 6606ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6615a9d0a3fSWaldemar Rymarkiewicz } 662716e4ab5SAndrei Emeltchenko break; 663716e4ab5SAndrei Emeltchenko 664716e4ab5SAndrei Emeltchenko case AMP_LINK: 665716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 666716e4ab5SAndrei Emeltchenko break; 667716e4ab5SAndrei Emeltchenko 668716e4ab5SAndrei Emeltchenko default: 66904837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 670716e4ab5SAndrei Emeltchenko break; 6715a9d0a3fSWaldemar Rymarkiewicz } 672716e4ab5SAndrei Emeltchenko 6732f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 67419c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6751931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6761da177e4SLinus Torvalds } 6771da177e4SLinus Torvalds } 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 680dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6811da177e4SLinus Torvalds { 682376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 683376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 684376261aeSAndrei Emeltchenko 6854c724c71SDavid Herrmann put_device(&d->dev); 686010666a1SDavid Herrmann } 6871da177e4SLinus Torvalds 688dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6891da177e4SLinus Torvalds { 690376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 691376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 692376261aeSAndrei Emeltchenko 6934c724c71SDavid Herrmann get_device(&d->dev); 6941da177e4SLinus Torvalds return d; 6951da177e4SLinus Torvalds } 6961da177e4SLinus Torvalds 69709fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 69809fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6991da177e4SLinus Torvalds 700aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7013dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 702aa2b86d7SDavid Herrmann 703155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 704155961e8SDavid Herrmann { 705155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 706155961e8SDavid Herrmann } 707155961e8SDavid Herrmann 708155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 709155961e8SDavid Herrmann { 710155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 711155961e8SDavid Herrmann } 712155961e8SDavid Herrmann 7131da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7140c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7151da177e4SLinus Torvalds 7161da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7171da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7181da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 71959735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7201da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7211da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7221da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7231da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7241da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7251da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7261da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7271da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7281da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7291da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7301da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 73140be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7321da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7331da177e4SLinus Torvalds 734c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 735c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 736f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 73788c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 73888c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 739f0358568SJohan Hedberg 7402aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7412aeb9a1aSJohan Hedberg 74255ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 74355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 744d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 745d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 746c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 747c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7489a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7499a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 750c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 751c9839a11SVinicius Costa Gomes u8 addr_type); 752b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 753b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 75455ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 75555ed8ca1SJohan Hedberg 7562763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7572763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7582763eda6SSzymon Janc bdaddr_t *bdaddr); 7592763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 7602763eda6SSzymon Janc u8 *randomizer); 7612763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7622763eda6SSzymon Janc 7631da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7641da177e4SLinus Torvalds 765e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 766ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 76799811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 768ef222013SMarcel Holtmann 7690ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 770ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 771ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 772a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 773b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 774b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7751da177e4SLinus Torvalds 7766935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 779cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 780cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 781cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 782cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 783cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 784cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 785cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 786cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 787cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 788cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 789cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 790cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 791cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 792cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 793cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 794cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 795cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 796cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 79707a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 7981da177e4SLinus Torvalds 799eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 800cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 801cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 802cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 803eead27daSAndre Guedes 8041da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 80520714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 80620714bfeSFrédéric Dalleau 8075a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 80820714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8091da177e4SLinus Torvalds { 810686ebf28SUlisses Furquim switch (type) { 811686ebf28SUlisses Furquim case ACL_LINK: 812686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8131da177e4SLinus Torvalds 814686ebf28SUlisses Furquim case SCO_LINK: 815686ebf28SUlisses Furquim case ESCO_LINK: 81620714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8171da177e4SLinus Torvalds 818686ebf28SUlisses Furquim default: 819686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 820686ebf28SUlisses Furquim return -EINVAL; 821686ebf28SUlisses Furquim } 8221da177e4SLinus Torvalds } 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8251da177e4SLinus Torvalds { 826686ebf28SUlisses Furquim switch (conn->type) { 827686ebf28SUlisses Furquim case ACL_LINK: 828686ebf28SUlisses Furquim case LE_LINK: 829686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 830686ebf28SUlisses Furquim break; 8311da177e4SLinus Torvalds 832686ebf28SUlisses Furquim case SCO_LINK: 833686ebf28SUlisses Furquim case ESCO_LINK: 834686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 835686ebf28SUlisses Furquim break; 8361da177e4SLinus Torvalds 837686ebf28SUlisses Furquim default: 838686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 839686ebf28SUlisses Furquim break; 840686ebf28SUlisses Furquim } 841e9a416b5SJohan Hedberg 842e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 843e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8441da177e4SLinus Torvalds } 8451da177e4SLinus Torvalds 8462950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8472950f21aSMarcel Holtmann { 848686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 849686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8502950f21aSMarcel Holtmann 851686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8522950f21aSMarcel Holtmann } 8532950f21aSMarcel Holtmann 8542950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8551da177e4SLinus Torvalds { 856686ebf28SUlisses Furquim switch (conn->type) { 857686ebf28SUlisses Furquim case ACL_LINK: 858686ebf28SUlisses Furquim case LE_LINK: 859686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 860686ebf28SUlisses Furquim break; 8611da177e4SLinus Torvalds 862686ebf28SUlisses Furquim case SCO_LINK: 863686ebf28SUlisses Furquim case ESCO_LINK: 864686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 865686ebf28SUlisses Furquim break; 8661da177e4SLinus Torvalds 867bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 868bd1eb66bSAndrei Emeltchenko case AMP_LINK: 869bd1eb66bSAndrei Emeltchenko break; 870bd1eb66bSAndrei Emeltchenko 871686ebf28SUlisses Furquim default: 872686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 873686ebf28SUlisses Furquim break; 874686ebf28SUlisses Furquim } 875e9a416b5SJohan Hedberg 876e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 877e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 8781da177e4SLinus Torvalds } 8791da177e4SLinus Torvalds 8801da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 8811da177e4SLinus Torvalds { 8828c1b2355SMarcel Holtmann __u8 encrypt; 8838c1b2355SMarcel Holtmann 884686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 885686ebf28SUlisses Furquim return; 886686ebf28SUlisses Furquim 88751a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8888c1b2355SMarcel Holtmann return; 8898c1b2355SMarcel Holtmann 8908c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 891686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 892e9a416b5SJohan Hedberg 893e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 894e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8951da177e4SLinus Torvalds } 8961da177e4SLinus Torvalds 8975a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8985a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8991da177e4SLinus Torvalds { 900686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 901686ebf28SUlisses Furquim return; 9021da177e4SLinus Torvalds 903686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 904e9a416b5SJohan Hedberg 905e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 906e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9071da177e4SLinus Torvalds } 9081da177e4SLinus Torvalds 9091da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9101da177e4SLinus Torvalds struct hci_cb { 9111da177e4SLinus Torvalds struct list_head list; 9121da177e4SLinus Torvalds 9131da177e4SLinus Torvalds char *name; 9141da177e4SLinus Torvalds 9155a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9165a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9171da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9181da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9191da177e4SLinus Torvalds }; 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9221da177e4SLinus Torvalds { 923711584eaSDenis Kirjanov struct hci_cb *cb; 9248c1b2355SMarcel Holtmann __u8 encrypt; 9251da177e4SLinus Torvalds 9261da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9271da177e4SLinus Torvalds 92851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9298c1b2355SMarcel Holtmann return; 9308c1b2355SMarcel Holtmann 9318c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9328c1b2355SMarcel Holtmann 933f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 934711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9358c1b2355SMarcel Holtmann if (cb->security_cfm) 9368c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9371da177e4SLinus Torvalds } 938f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9391da177e4SLinus Torvalds } 9401da177e4SLinus Torvalds 9415a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9425a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9431da177e4SLinus Torvalds { 944711584eaSDenis Kirjanov struct hci_cb *cb; 9451da177e4SLinus Torvalds 946435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 947435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 948435fef20SMarcel Holtmann 94988167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 95088167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 95188167aedSVinicius Costa Gomes 9529719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9531da177e4SLinus Torvalds 954f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 955711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9568c1b2355SMarcel Holtmann if (cb->security_cfm) 9578c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9581da177e4SLinus Torvalds } 959f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9601da177e4SLinus Torvalds } 9611da177e4SLinus Torvalds 9621da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9631da177e4SLinus Torvalds { 964711584eaSDenis Kirjanov struct hci_cb *cb; 9651da177e4SLinus Torvalds 966f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 967711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9681da177e4SLinus Torvalds if (cb->key_change_cfm) 9691da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9701da177e4SLinus Torvalds } 971f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9721da177e4SLinus Torvalds } 9731da177e4SLinus Torvalds 9745a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9755a9d0a3fSWaldemar Rymarkiewicz __u8 role) 9761da177e4SLinus Torvalds { 977711584eaSDenis Kirjanov struct hci_cb *cb; 9781da177e4SLinus Torvalds 979f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 980711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9811da177e4SLinus Torvalds if (cb->role_switch_cfm) 9821da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9831da177e4SLinus Torvalds } 984f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9851da177e4SLinus Torvalds } 9861da177e4SLinus Torvalds 9876759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9886759a675SJohan Hedberg { 98984d9d071SJohan Hedberg size_t parsed = 0; 9906759a675SJohan Hedberg 9916c0c331eSJohan Hedberg if (data_len < 2) 9926c0c331eSJohan Hedberg return false; 9936c0c331eSJohan Hedberg 99484d9d071SJohan Hedberg while (parsed < data_len - 1) { 99584d9d071SJohan Hedberg u8 field_len = data[0]; 9966759a675SJohan Hedberg 9976759a675SJohan Hedberg if (field_len == 0) 9986759a675SJohan Hedberg break; 9996759a675SJohan Hedberg 10006759a675SJohan Hedberg parsed += field_len + 1; 10016759a675SJohan Hedberg 10026759a675SJohan Hedberg if (parsed > data_len) 10036759a675SJohan Hedberg break; 10046759a675SJohan Hedberg 10056759a675SJohan Hedberg if (data[1] == type) 10066759a675SJohan Hedberg return true; 10076759a675SJohan Hedberg 10086759a675SJohan Hedberg data += field_len + 1; 10096759a675SJohan Hedberg } 10106759a675SJohan Hedberg 10116759a675SJohan Hedberg return false; 10126759a675SJohan Hedberg } 10136759a675SJohan Hedberg 10141da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10151da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10161da177e4SLinus Torvalds 10173119ae95SJohan Hedberg struct hci_request { 10183119ae95SJohan Hedberg struct hci_dev *hdev; 10193119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10205d73e034SAndre Guedes 10215d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10225d73e034SAndre Guedes * value is stored in this field. 10235d73e034SAndre Guedes */ 10245d73e034SAndre Guedes int err; 10253119ae95SJohan Hedberg }; 10263119ae95SJohan Hedberg 10273119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10283119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 102907dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 103007dc93ddSJohan Hedberg const void *param); 103107dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 103207dc93ddSJohan Hedberg const void *param, u8 event); 10339238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10343119ae95SJohan Hedberg 103575e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 103607dc93ddSJohan Hedberg const void *param, u32 timeout); 10377b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 103807dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 103975e84b7cSJohan Hedberg 104007dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 104107dc93ddSJohan Hedberg const void *param); 104273d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10430d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10441da177e4SLinus Torvalds 1045a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1048470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1049470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1050cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10511da177e4SLinus Torvalds 1052040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1053040030efSMarcel Holtmann 10540381101fSJohan Hedberg /* Management interface */ 1055591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1056591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1057591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1058591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1059591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1060591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1061f39799f5SAndre Guedes 10620d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 10630d8cc935SAndre Guedes * Discovery Procedure specification. 10640d8cc935SAndre Guedes */ 10650d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 10660d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 10670d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 10680d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 10690d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 10700d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 10710d8cc935SAndre Guedes 10720381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1073bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1074bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 10753eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1076744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1077d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 107886a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1079a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 10804796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1081dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1082745c0ce3SVishal Agarwal bool persistent); 1083ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 108404124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 108504124681SGustavo F. Padovan u8 *dev_class); 10869b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1087f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 10887892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 108988c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1090445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 109148264f06SJohan Hedberg u8 addr_type, u8 status); 1092ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1093e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1094c35938b2SSzymon Janc u8 status); 10953eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1096744cf19eSJohan Hedberg u8 status); 1097744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1098272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1099272d90dfSJohan Hedberg u8 confirm_hint); 1100744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1101272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1102272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1103272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1104272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1105272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1106604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1107272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1108272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1109272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 111092a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 111192a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 111292a25256SJohan Hedberg u8 entered); 1113e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1114bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1115464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 11163e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11174e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11187f9a903cSMarcel Holtmann u8 status); 11197667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 11203edaf092SMarcel Holtmann void mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1121744cf19eSJohan Hedberg u8 *randomizer, u8 status); 1122901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 112304124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 112404124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11259cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1126b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 11272f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 112888c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 112988c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1130083368f7SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11315976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1132346af67bSVinicius Costa Gomes 11331da177e4SLinus Torvalds /* HCI info for socket */ 11341da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11351da177e4SLinus Torvalds 11361da177e4SLinus Torvalds struct hci_pinfo { 11371da177e4SLinus Torvalds struct bt_sock bt; 11381da177e4SLinus Torvalds struct hci_dev *hdev; 11391da177e4SLinus Torvalds struct hci_filter filter; 11401da177e4SLinus Torvalds __u32 cmsg_mask; 1141c02178d2SJohan Hedberg unsigned short channel; 11421da177e4SLinus Torvalds }; 11431da177e4SLinus Torvalds 11441da177e4SLinus Torvalds /* HCI security filter */ 11451da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11461da177e4SLinus Torvalds 11471da177e4SLinus Torvalds struct hci_sec_filter { 11481da177e4SLinus Torvalds __u32 type_mask; 11491da177e4SLinus Torvalds __u32 event_mask[2]; 11501da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11511da177e4SLinus Torvalds }; 11521da177e4SLinus Torvalds 11531da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11541da177e4SLinus Torvalds #define HCI_REQ_DONE 0 11551da177e4SLinus Torvalds #define HCI_REQ_PEND 1 11561da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 11571da177e4SLinus Torvalds 1158a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1159a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 11601da177e4SLinus Torvalds 11612ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 11622ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1163a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1164a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 11652519a1fcSAndre Guedes 11665d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 11675d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 11685d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 11695d4d62f6SFrédéric Dalleau 11701da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1171