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; 1431f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 144490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 14580a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 146a9de9248SMarcel Holtmann __u8 dev_class[3]; 1471aff6f09SJohan Hedberg __u8 major_class; 1481aff6f09SJohan Hedberg __u8 minor_class; 149d2c5d77fSJohan Hedberg __u8 max_page; 150cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 15160e77321SJohan Hedberg __u8 le_features[8]; 152cf1d081fSJohan Hedberg __u8 le_white_list_size; 1539b008c04SJohan Hedberg __u8 le_states[8]; 154a9de9248SMarcel Holtmann __u8 commands[64]; 1551143e5a6SMarcel Holtmann __u8 hci_ver; 1561143e5a6SMarcel Holtmann __u16 hci_rev; 157d5859e22SJohan Hedberg __u8 lmp_ver; 1581143e5a6SMarcel Holtmann __u16 manufacturer; 1597d69230cSAndrei Emeltchenko __u16 lmp_subver; 1601da177e4SLinus Torvalds __u16 voice_setting; 16117fa4b9dSJohan Hedberg __u8 io_capability; 16291c4e9b1SMarcel Holtmann __s8 inq_tx_power; 163f332ec66SJohan Hedberg __u16 page_scan_interval; 164f332ec66SJohan Hedberg __u16 page_scan_window; 165f332ec66SJohan Hedberg __u8 page_scan_type; 166f332ec66SJohan Hedberg 1672b9be137SMarcel Holtmann __u16 devid_source; 1682b9be137SMarcel Holtmann __u16 devid_vendor; 1692b9be137SMarcel Holtmann __u16 devid_product; 1702b9be137SMarcel Holtmann __u16 devid_version; 1711da177e4SLinus Torvalds 1721da177e4SLinus Torvalds __u16 pkt_type; 1735b7f9909SMarcel Holtmann __u16 esco_type; 1741da177e4SLinus Torvalds __u16 link_policy; 1751da177e4SLinus Torvalds __u16 link_mode; 1761da177e4SLinus Torvalds 17704837f64SMarcel Holtmann __u32 idle_timeout; 17804837f64SMarcel Holtmann __u16 sniff_min_interval; 17904837f64SMarcel Holtmann __u16 sniff_max_interval; 18004837f64SMarcel Holtmann 181928abaa7SAndrei Emeltchenko __u8 amp_status; 182928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 183928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 184928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 185928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 186928abaa7SAndrei Emeltchenko __u8 amp_type; 187928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 188928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 189928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 190928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 191928abaa7SAndrei Emeltchenko 192903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 193903e4541SAndrei Emeltchenko 1941e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1951e89cffbSAndrei Emeltchenko 1969f61656aSJohan Hedberg unsigned int auto_accept_delay; 1979f61656aSJohan Hedberg 1981da177e4SLinus Torvalds unsigned long quirks; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds atomic_t cmd_cnt; 2011da177e4SLinus Torvalds unsigned int acl_cnt; 2021da177e4SLinus Torvalds unsigned int sco_cnt; 2036ed58ec5SVille Tervo unsigned int le_cnt; 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds unsigned int acl_mtu; 2061da177e4SLinus Torvalds unsigned int sco_mtu; 2076ed58ec5SVille Tervo unsigned int le_mtu; 2081da177e4SLinus Torvalds unsigned int acl_pkts; 2091da177e4SLinus Torvalds unsigned int sco_pkts; 2106ed58ec5SVille Tervo unsigned int le_pkts; 2111da177e4SLinus Torvalds 212350ee4cfSAndrei Emeltchenko __u16 block_len; 213350ee4cfSAndrei Emeltchenko __u16 block_mtu; 214350ee4cfSAndrei Emeltchenko __u16 num_blocks; 215350ee4cfSAndrei Emeltchenko __u16 block_cnt; 216350ee4cfSAndrei Emeltchenko 2171da177e4SLinus Torvalds unsigned long acl_last_tx; 2181da177e4SLinus Torvalds unsigned long sco_last_tx; 2196ed58ec5SVille Tervo unsigned long le_last_tx; 2201da177e4SLinus Torvalds 221f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2226ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 223f48fd9c8SMarcel Holtmann 224ab81cbf9SJohan Hedberg struct work_struct power_on; 2253243553fSJohan Hedberg struct delayed_work power_off; 226ab81cbf9SJohan Hedberg 22716ab91abSJohan Hedberg __u16 discov_timeout; 22816ab91abSJohan Hedberg struct delayed_work discov_off; 22916ab91abSJohan Hedberg 2307d78525dSJohan Hedberg struct delayed_work service_cache; 2317d78525dSJohan Hedberg 2326bd32326SVille Tervo struct timer_list cmd_timer; 233b78752ccSMarcel Holtmann 234b78752ccSMarcel Holtmann struct work_struct rx_work; 235c347b765SGustavo F. Padovan struct work_struct cmd_work; 2363eff45eaSGustavo F. Padovan struct work_struct tx_work; 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds struct sk_buff_head rx_q; 2391da177e4SLinus Torvalds struct sk_buff_head raw_q; 2401da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2411da177e4SLinus Torvalds 242b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2431da177e4SLinus Torvalds struct sk_buff *sent_cmd; 244cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2451da177e4SLinus Torvalds 246a6a67efdSThomas Gleixner struct mutex req_lock; 2471da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2481da177e4SLinus Torvalds __u32 req_status; 2491da177e4SLinus Torvalds __u32 req_result; 250a5040efaSJohan Hedberg 2512e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2522e58ef3eSJohan Hedberg 25330883512SJohan Hedberg struct discovery_state discovery; 2541da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 255ea4bd8baSDavid Miller struct list_head blacklist; 2561da177e4SLinus Torvalds 2572aeb9a1aSJohan Hedberg struct list_head uuids; 2582aeb9a1aSJohan Hedberg 25955ed8ca1SJohan Hedberg struct list_head link_keys; 26055ed8ca1SJohan Hedberg 261b899efafSVinicius Costa Gomes struct list_head long_term_keys; 262b899efafSVinicius Costa Gomes 2632763eda6SSzymon Janc struct list_head remote_oob_data; 2642763eda6SSzymon Janc 2651da177e4SLinus Torvalds struct hci_dev_stats stat; 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds atomic_t promisc; 2681da177e4SLinus Torvalds 269ca325f69SMarcel Holtmann struct dentry *debugfs; 270ca325f69SMarcel Holtmann 271a91f2e39SMarcel Holtmann struct device dev; 2721da177e4SLinus Torvalds 273611b30f7SMarcel Holtmann struct rfkill *rfkill; 274611b30f7SMarcel Holtmann 275d23264a8SAndre Guedes unsigned long dev_flags; 276d23264a8SAndre Guedes 2777ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2787ba8b4beSAndre Guedes 2798fa19098SJohan Hedberg __s8 adv_tx_power; 2803f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2813f0f524bSJohan Hedberg __u8 adv_data_len; 2828fa19098SJohan Hedberg 2831da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2841da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2851da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 286f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2871da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2881da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2891da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2901da177e4SLinus Torvalds }; 2911da177e4SLinus Torvalds 29253502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 29353502d69SAndrei Emeltchenko 2941da177e4SLinus Torvalds struct hci_conn { 2951da177e4SLinus Torvalds struct list_head list; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds atomic_t refcnt; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds bdaddr_t dst; 30029b7988aSAndre Guedes __u8 dst_type; 3011da177e4SLinus Torvalds __u16 handle; 3021da177e4SLinus Torvalds __u16 state; 30304837f64SMarcel Holtmann __u8 mode; 3041da177e4SLinus Torvalds __u8 type; 305a0c808b3SJohan Hedberg bool out; 3064c67bc74SMarcel Holtmann __u8 attempt; 3071da177e4SLinus Torvalds __u8 dev_class[3]; 308cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 30904837f64SMarcel Holtmann __u16 interval; 310a8746417SMarcel Holtmann __u16 pkt_type; 31104837f64SMarcel Holtmann __u16 link_policy; 3121da177e4SLinus Torvalds __u32 link_mode; 31313d39315SWaldemar Rymarkiewicz __u8 key_type; 31440be492fSMarcel Holtmann __u8 auth_type; 3158c1b2355SMarcel Holtmann __u8 sec_level; 316765c2a96SJohan Hedberg __u8 pending_sec_level; 317980e1a53SJohan Hedberg __u8 pin_length; 318726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 31917fa4b9dSJohan Hedberg __u8 io_capability; 32092a25256SJohan Hedberg __u32 passkey_notify; 32192a25256SJohan Hedberg __u8 passkey_entered; 322052b30b0SMarcel Holtmann __u16 disc_timeout; 32310c62ddcSFrédéric Dalleau __u16 setting; 32451a8efd7SJohan Hedberg unsigned long flags; 3251da177e4SLinus Torvalds 32603b555e1SJohan Hedberg __u8 remote_cap; 32703b555e1SJohan Hedberg __u8 remote_auth; 3283161ae1cSAndrei Emeltchenko __u8 remote_id; 3296ec5bcadSVishal Agarwal bool flush_key; 33003b555e1SJohan Hedberg 3311da177e4SLinus Torvalds unsigned int sent; 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds struct sk_buff_head data_q; 3342c33c06aSGustavo F. Padovan struct list_head chan_list; 3351da177e4SLinus Torvalds 33619c40e3bSGustavo F. Padovan struct delayed_work disc_work; 33704837f64SMarcel Holtmann struct timer_list idle_timer; 3389f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3391da177e4SLinus Torvalds 340b219e3acSMarcel Holtmann struct device dev; 341b219e3acSMarcel Holtmann 3421da177e4SLinus Torvalds struct hci_dev *hdev; 3431da177e4SLinus Torvalds void *l2cap_data; 3441da177e4SLinus Torvalds void *sco_data; 3452b64d153SBrian Gix void *smp_conn; 3469740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvalds struct hci_conn *link; 349e9a416b5SJohan Hedberg 350e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 351e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 352e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3531da177e4SLinus Torvalds }; 3541da177e4SLinus Torvalds 35573d80debSLuiz Augusto von Dentz struct hci_chan { 35673d80debSLuiz Augusto von Dentz struct list_head list; 35742c4e53eSAndrei Emeltchenko __u16 handle; 35873d80debSLuiz Augusto von Dentz struct hci_conn *conn; 35973d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 36073d80debSLuiz Augusto von Dentz unsigned int sent; 361168df8e5SMat Martineau __u8 state; 36273d80debSLuiz Augusto von Dentz }; 36373d80debSLuiz Augusto von Dentz 3641da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3651da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3661da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3671da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3681da177e4SLinus Torvalds 369686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 370e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 371e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 372e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 373e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 374e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 375e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 376686ebf28SUlisses Furquim 377e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 378e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 379e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 380e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 381686ebf28SUlisses Furquim 3821da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 38370f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 38470f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3851da177e4SLinus Torvalds 38630883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3871da177e4SLinus Torvalds { 388ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 38930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 39030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 39130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3921da177e4SLinus Torvalds } 3931da177e4SLinus Torvalds 39430dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 39530dc78e1SJohan Hedberg 396ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 397ff9ef578SJohan Hedberg 3981da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3991da177e4SLinus Torvalds { 40030883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4011da177e4SLinus Torvalds } 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4041da177e4SLinus Torvalds { 40530883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4061da177e4SLinus Torvalds return jiffies - c->timestamp; 4071da177e4SLinus Torvalds } 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4101da177e4SLinus Torvalds { 4111da177e4SLinus Torvalds return jiffies - e->timestamp; 4121da177e4SLinus Torvalds } 4131da177e4SLinus Torvalds 4145a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4155a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 416561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 417561aafbcSJohan Hedberg bdaddr_t *bdaddr); 41830dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 41930dc78e1SJohan Hedberg bdaddr_t *bdaddr, 42030dc78e1SJohan Hedberg int state); 421a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 422a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4233175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 424388fc8faSJohan Hedberg bool name_known, bool *ssp); 4251f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4281da177e4SLinus Torvalds enum { 4291da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 43019f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4311da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 43204837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 43304837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 434e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 435d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 436b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 43758a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 43858a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 43958a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4401da177e4SLinus Torvalds }; 4411da177e4SLinus Torvalds 442aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 443aa64a8b5SJohan Hedberg { 444aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 445c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 446c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 447aa64a8b5SJohan Hedberg } 448aa64a8b5SJohan Hedberg 4491da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4501da177e4SLinus Torvalds { 4511da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 452bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 453fcd89c09SVille Tervo switch (c->type) { 454fcd89c09SVille Tervo case ACL_LINK: 4551da177e4SLinus Torvalds h->acl_num++; 456fcd89c09SVille Tervo break; 457bd1eb66bSAndrei Emeltchenko case AMP_LINK: 458bd1eb66bSAndrei Emeltchenko h->amp_num++; 459bd1eb66bSAndrei Emeltchenko break; 460fcd89c09SVille Tervo case LE_LINK: 461fcd89c09SVille Tervo h->le_num++; 462fcd89c09SVille Tervo break; 463fcd89c09SVille Tervo case SCO_LINK: 464fcd89c09SVille Tervo case ESCO_LINK: 4651da177e4SLinus Torvalds h->sco_num++; 466fcd89c09SVille Tervo break; 467fcd89c09SVille Tervo } 4681da177e4SLinus Torvalds } 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4711da177e4SLinus Torvalds { 4721da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 473bf4c6325SGustavo F. Padovan 474bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 475bf4c6325SGustavo F. Padovan synchronize_rcu(); 476bf4c6325SGustavo F. Padovan 477fcd89c09SVille Tervo switch (c->type) { 478fcd89c09SVille Tervo case ACL_LINK: 4791da177e4SLinus Torvalds h->acl_num--; 480fcd89c09SVille Tervo break; 481bd1eb66bSAndrei Emeltchenko case AMP_LINK: 482bd1eb66bSAndrei Emeltchenko h->amp_num--; 483bd1eb66bSAndrei Emeltchenko break; 484fcd89c09SVille Tervo case LE_LINK: 485fcd89c09SVille Tervo h->le_num--; 486fcd89c09SVille Tervo break; 487fcd89c09SVille Tervo case SCO_LINK: 488fcd89c09SVille Tervo case ESCO_LINK: 4891da177e4SLinus Torvalds h->sco_num--; 490fcd89c09SVille Tervo break; 491fcd89c09SVille Tervo } 4921da177e4SLinus Torvalds } 4931da177e4SLinus Torvalds 49452087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 49552087a79SLuiz Augusto von Dentz { 49652087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 49752087a79SLuiz Augusto von Dentz switch (type) { 49852087a79SLuiz Augusto von Dentz case ACL_LINK: 49952087a79SLuiz Augusto von Dentz return h->acl_num; 500bd1eb66bSAndrei Emeltchenko case AMP_LINK: 501bd1eb66bSAndrei Emeltchenko return h->amp_num; 50252087a79SLuiz Augusto von Dentz case LE_LINK: 50352087a79SLuiz Augusto von Dentz return h->le_num; 50452087a79SLuiz Augusto von Dentz case SCO_LINK: 50552087a79SLuiz Augusto von Dentz case ESCO_LINK: 50652087a79SLuiz Augusto von Dentz return h->sco_num; 50752087a79SLuiz Augusto von Dentz default: 50852087a79SLuiz Augusto von Dentz return 0; 50952087a79SLuiz Augusto von Dentz } 51052087a79SLuiz Augusto von Dentz } 51152087a79SLuiz Augusto von Dentz 5121da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5131da177e4SLinus Torvalds __u16 handle) 5141da177e4SLinus Torvalds { 5151da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5161da177e4SLinus Torvalds struct hci_conn *c; 5171da177e4SLinus Torvalds 518bf4c6325SGustavo F. Padovan rcu_read_lock(); 519bf4c6325SGustavo F. Padovan 520bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 521bf4c6325SGustavo F. Padovan if (c->handle == handle) { 522bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5231da177e4SLinus Torvalds return c; 5241da177e4SLinus Torvalds } 525bf4c6325SGustavo F. Padovan } 526bf4c6325SGustavo F. Padovan rcu_read_unlock(); 527bf4c6325SGustavo F. Padovan 5281da177e4SLinus Torvalds return NULL; 5291da177e4SLinus Torvalds } 5301da177e4SLinus Torvalds 5311da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5321da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5331da177e4SLinus Torvalds { 5341da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5351da177e4SLinus Torvalds struct hci_conn *c; 5361da177e4SLinus Torvalds 537bf4c6325SGustavo F. Padovan rcu_read_lock(); 538bf4c6325SGustavo F. Padovan 539bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 540bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 541bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5421da177e4SLinus Torvalds return c; 5431da177e4SLinus Torvalds } 544bf4c6325SGustavo F. Padovan } 545bf4c6325SGustavo F. Padovan 546bf4c6325SGustavo F. Padovan rcu_read_unlock(); 547bf4c6325SGustavo F. Padovan 5481da177e4SLinus Torvalds return NULL; 5491da177e4SLinus Torvalds } 5501da177e4SLinus Torvalds 5514c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5524c67bc74SMarcel Holtmann __u8 type, __u16 state) 5534c67bc74SMarcel Holtmann { 5544c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5554c67bc74SMarcel Holtmann struct hci_conn *c; 5564c67bc74SMarcel Holtmann 557bf4c6325SGustavo F. Padovan rcu_read_lock(); 558bf4c6325SGustavo F. Padovan 559bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 560bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 561bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5624c67bc74SMarcel Holtmann return c; 5634c67bc74SMarcel Holtmann } 564bf4c6325SGustavo F. Padovan } 565bf4c6325SGustavo F. Padovan 566bf4c6325SGustavo F. Padovan rcu_read_unlock(); 567bf4c6325SGustavo F. Padovan 5684c67bc74SMarcel Holtmann return NULL; 5694c67bc74SMarcel Holtmann } 5704c67bc74SMarcel Holtmann 571bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5722dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 573e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5761da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5771da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 578a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5791da177e4SLinus Torvalds 58073d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 5819472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 5822c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 58342c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 58473d80debSLuiz Augusto von Dentz 5855a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 586b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 58710c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 58810c62ddcSFrédéric Dalleau __u16 setting); 589e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 590b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5910684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5921da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5938c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5941da177e4SLinus Torvalds 59514b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5961da177e4SLinus Torvalds 5978d12356fSDavid Herrmann /* 5988d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 5998d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6008d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6018d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6028d12356fSDavid Herrmann * other constant data. 6038d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6048d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6058d12356fSDavid Herrmann * get dropped, though. 6068d12356fSDavid Herrmann * 6078d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6088d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6098d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6108d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6118d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6128d12356fSDavid Herrmann * hci_conn_add()). 6138d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6148d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6158d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6168d12356fSDavid Herrmann */ 6178d12356fSDavid Herrmann 6188d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6198d12356fSDavid Herrmann { 6208d12356fSDavid Herrmann get_device(&conn->dev); 6218d12356fSDavid Herrmann } 6228d12356fSDavid Herrmann 6238d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6248d12356fSDavid Herrmann { 6258d12356fSDavid Herrmann put_device(&conn->dev); 6268d12356fSDavid Herrmann } 6278d12356fSDavid Herrmann 6281da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6291da177e4SLinus Torvalds { 63071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63138b3fef1SAndrei Emeltchenko 6321da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6332f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6341da177e4SLinus Torvalds } 6351da177e4SLinus Torvalds 63676a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6371da177e4SLinus Torvalds { 63871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63938b3fef1SAndrei Emeltchenko 6401da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 64104837f64SMarcel Holtmann unsigned long timeo; 642716e4ab5SAndrei Emeltchenko 643716e4ab5SAndrei Emeltchenko switch (conn->type) { 644716e4ab5SAndrei Emeltchenko case ACL_LINK: 645716e4ab5SAndrei Emeltchenko case LE_LINK: 6466ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6476ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6485f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 64904837f64SMarcel Holtmann if (!conn->out) 650052b30b0SMarcel Holtmann timeo *= 2; 6515a9d0a3fSWaldemar Rymarkiewicz } else { 6526ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6535a9d0a3fSWaldemar Rymarkiewicz } 654716e4ab5SAndrei Emeltchenko break; 655716e4ab5SAndrei Emeltchenko 656716e4ab5SAndrei Emeltchenko case AMP_LINK: 657716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 658716e4ab5SAndrei Emeltchenko break; 659716e4ab5SAndrei Emeltchenko 660716e4ab5SAndrei Emeltchenko default: 66104837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 662716e4ab5SAndrei Emeltchenko break; 6635a9d0a3fSWaldemar Rymarkiewicz } 664716e4ab5SAndrei Emeltchenko 6652f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 66619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6671931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6681da177e4SLinus Torvalds } 6691da177e4SLinus Torvalds } 6701da177e4SLinus Torvalds 6711da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 672dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6731da177e4SLinus Torvalds { 674376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 675376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 676376261aeSAndrei Emeltchenko 6774c724c71SDavid Herrmann put_device(&d->dev); 678010666a1SDavid Herrmann } 6791da177e4SLinus Torvalds 680dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(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 get_device(&d->dev); 6861da177e4SLinus Torvalds return d; 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 68909fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 69009fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6911da177e4SLinus Torvalds 692aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6933dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 694aa2b86d7SDavid Herrmann 695155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 696155961e8SDavid Herrmann { 697155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 698155961e8SDavid Herrmann } 699155961e8SDavid Herrmann 700155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 701155961e8SDavid Herrmann { 702155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 703155961e8SDavid Herrmann } 704155961e8SDavid Herrmann 7058598d064SAndrei Emeltchenko /* hci_dev_list shall be locked */ 7068598d064SAndrei Emeltchenko static inline uint8_t __hci_num_ctrl(void) 7078598d064SAndrei Emeltchenko { 7088598d064SAndrei Emeltchenko uint8_t count = 0; 7098598d064SAndrei Emeltchenko struct list_head *p; 7108598d064SAndrei Emeltchenko 7118598d064SAndrei Emeltchenko list_for_each(p, &hci_dev_list) { 7128598d064SAndrei Emeltchenko count++; 7138598d064SAndrei Emeltchenko } 7148598d064SAndrei Emeltchenko 7158598d064SAndrei Emeltchenko return count; 7168598d064SAndrei Emeltchenko } 7178598d064SAndrei Emeltchenko 7181da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7190c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7201da177e4SLinus Torvalds 7211da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7221da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7231da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 72459735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7251da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7261da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7271da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7281da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7291da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7301da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7311da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7321da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7331da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7341da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7351da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 73640be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7371da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7381da177e4SLinus Torvalds 739c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 740c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 741f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 74288c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 74388c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 744f0358568SJohan Hedberg 7452aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7462aeb9a1aSJohan Hedberg 74755ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 74855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 749d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 750d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 751c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 752c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7539a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7549a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 755c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 756c9839a11SVinicius Costa Gomes u8 addr_type); 757b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 758b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 75955ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 76055ed8ca1SJohan Hedberg 7612763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7622763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7632763eda6SSzymon Janc bdaddr_t *bdaddr); 7642763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 7652763eda6SSzymon Janc u8 *randomizer); 7662763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7672763eda6SSzymon Janc 7681da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7691da177e4SLinus Torvalds 77076bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 771ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 77299811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 773ef222013SMarcel Holtmann 7740ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 775ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 776ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 777a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 778b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 779b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7801da177e4SLinus Torvalds 7816935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 784cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 785cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 786cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 787cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 788cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 789cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 790cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 791cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 792cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 793cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 794cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 795cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 796cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 797cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 798cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 799cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 800cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 801cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 80207a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 8031da177e4SLinus Torvalds 804eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 805cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 806cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 807cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 808eead27daSAndre Guedes 8095d05416eSAndrei Emeltchenko /* returns true if at least one AMP active */ 8105d05416eSAndrei Emeltchenko static inline bool hci_amp_capable(void) 8115d05416eSAndrei Emeltchenko { 8125d05416eSAndrei Emeltchenko struct hci_dev *hdev; 8135d05416eSAndrei Emeltchenko bool ret = false; 8145d05416eSAndrei Emeltchenko 8155d05416eSAndrei Emeltchenko read_lock(&hci_dev_list_lock); 8165d05416eSAndrei Emeltchenko list_for_each_entry(hdev, &hci_dev_list, list) 8175d05416eSAndrei Emeltchenko if (hdev->amp_type == HCI_AMP && 8185d05416eSAndrei Emeltchenko test_bit(HCI_UP, &hdev->flags)) 8195d05416eSAndrei Emeltchenko ret = true; 8205d05416eSAndrei Emeltchenko read_unlock(&hci_dev_list_lock); 8215d05416eSAndrei Emeltchenko 8225d05416eSAndrei Emeltchenko return ret; 8235d05416eSAndrei Emeltchenko } 8245d05416eSAndrei Emeltchenko 8251da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 82620714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 82720714bfeSFrédéric Dalleau 8285a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 82920714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8301da177e4SLinus Torvalds { 831686ebf28SUlisses Furquim switch (type) { 832686ebf28SUlisses Furquim case ACL_LINK: 833686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8341da177e4SLinus Torvalds 835686ebf28SUlisses Furquim case SCO_LINK: 836686ebf28SUlisses Furquim case ESCO_LINK: 83720714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8381da177e4SLinus Torvalds 839686ebf28SUlisses Furquim default: 840686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 841686ebf28SUlisses Furquim return -EINVAL; 842686ebf28SUlisses Furquim } 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8461da177e4SLinus Torvalds { 847686ebf28SUlisses Furquim switch (conn->type) { 848686ebf28SUlisses Furquim case ACL_LINK: 849686ebf28SUlisses Furquim case LE_LINK: 850686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 851686ebf28SUlisses Furquim break; 8521da177e4SLinus Torvalds 853686ebf28SUlisses Furquim case SCO_LINK: 854686ebf28SUlisses Furquim case ESCO_LINK: 855686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 856686ebf28SUlisses Furquim break; 8571da177e4SLinus Torvalds 858686ebf28SUlisses Furquim default: 859686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 860686ebf28SUlisses Furquim break; 861686ebf28SUlisses Furquim } 862e9a416b5SJohan Hedberg 863e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 864e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8651da177e4SLinus Torvalds } 8661da177e4SLinus Torvalds 8672950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8682950f21aSMarcel Holtmann { 869686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 870686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8712950f21aSMarcel Holtmann 872686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8732950f21aSMarcel Holtmann } 8742950f21aSMarcel Holtmann 8752950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8761da177e4SLinus Torvalds { 877686ebf28SUlisses Furquim switch (conn->type) { 878686ebf28SUlisses Furquim case ACL_LINK: 879686ebf28SUlisses Furquim case LE_LINK: 880686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 881686ebf28SUlisses Furquim break; 8821da177e4SLinus Torvalds 883686ebf28SUlisses Furquim case SCO_LINK: 884686ebf28SUlisses Furquim case ESCO_LINK: 885686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 886686ebf28SUlisses Furquim break; 8871da177e4SLinus Torvalds 888bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 889bd1eb66bSAndrei Emeltchenko case AMP_LINK: 890bd1eb66bSAndrei Emeltchenko break; 891bd1eb66bSAndrei Emeltchenko 892686ebf28SUlisses Furquim default: 893686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 894686ebf28SUlisses Furquim break; 895686ebf28SUlisses Furquim } 896e9a416b5SJohan Hedberg 897e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 898e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 8991da177e4SLinus Torvalds } 9001da177e4SLinus Torvalds 9011da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 9021da177e4SLinus Torvalds { 9038c1b2355SMarcel Holtmann __u8 encrypt; 9048c1b2355SMarcel Holtmann 905686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 906686ebf28SUlisses Furquim return; 907686ebf28SUlisses Furquim 90851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9098c1b2355SMarcel Holtmann return; 9108c1b2355SMarcel Holtmann 9118c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 912686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 913e9a416b5SJohan Hedberg 914e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 915e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9161da177e4SLinus Torvalds } 9171da177e4SLinus Torvalds 9185a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 9195a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9201da177e4SLinus Torvalds { 921686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 922686ebf28SUlisses Furquim return; 9231da177e4SLinus Torvalds 924686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 925e9a416b5SJohan Hedberg 926e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 927e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9281da177e4SLinus Torvalds } 9291da177e4SLinus Torvalds 9301da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9311da177e4SLinus Torvalds struct hci_cb { 9321da177e4SLinus Torvalds struct list_head list; 9331da177e4SLinus Torvalds 9341da177e4SLinus Torvalds char *name; 9351da177e4SLinus Torvalds 9365a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9375a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9381da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9391da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9401da177e4SLinus Torvalds }; 9411da177e4SLinus Torvalds 9421da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9431da177e4SLinus Torvalds { 944711584eaSDenis Kirjanov struct hci_cb *cb; 9458c1b2355SMarcel Holtmann __u8 encrypt; 9461da177e4SLinus Torvalds 9471da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9481da177e4SLinus Torvalds 94951a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9508c1b2355SMarcel Holtmann return; 9518c1b2355SMarcel Holtmann 9528c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9538c1b2355SMarcel Holtmann 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 9625a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9635a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9641da177e4SLinus Torvalds { 965711584eaSDenis Kirjanov struct hci_cb *cb; 9661da177e4SLinus Torvalds 967435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 968435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 969435fef20SMarcel Holtmann 97088167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 97188167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 97288167aedSVinicius Costa Gomes 9739719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9741da177e4SLinus Torvalds 975f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 976711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9778c1b2355SMarcel Holtmann if (cb->security_cfm) 9788c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9791da177e4SLinus Torvalds } 980f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9811da177e4SLinus Torvalds } 9821da177e4SLinus Torvalds 9831da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9841da177e4SLinus Torvalds { 985711584eaSDenis Kirjanov struct hci_cb *cb; 9861da177e4SLinus Torvalds 987f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 988711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9891da177e4SLinus Torvalds if (cb->key_change_cfm) 9901da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9911da177e4SLinus Torvalds } 992f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9931da177e4SLinus Torvalds } 9941da177e4SLinus Torvalds 9955a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9965a9d0a3fSWaldemar Rymarkiewicz __u8 role) 9971da177e4SLinus Torvalds { 998711584eaSDenis Kirjanov struct hci_cb *cb; 9991da177e4SLinus Torvalds 1000f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1001711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10021da177e4SLinus Torvalds if (cb->role_switch_cfm) 10031da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 10041da177e4SLinus Torvalds } 1005f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10061da177e4SLinus Torvalds } 10071da177e4SLinus Torvalds 10086759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 10096759a675SJohan Hedberg { 101084d9d071SJohan Hedberg size_t parsed = 0; 10116759a675SJohan Hedberg 10126c0c331eSJohan Hedberg if (data_len < 2) 10136c0c331eSJohan Hedberg return false; 10146c0c331eSJohan Hedberg 101584d9d071SJohan Hedberg while (parsed < data_len - 1) { 101684d9d071SJohan Hedberg u8 field_len = data[0]; 10176759a675SJohan Hedberg 10186759a675SJohan Hedberg if (field_len == 0) 10196759a675SJohan Hedberg break; 10206759a675SJohan Hedberg 10216759a675SJohan Hedberg parsed += field_len + 1; 10226759a675SJohan Hedberg 10236759a675SJohan Hedberg if (parsed > data_len) 10246759a675SJohan Hedberg break; 10256759a675SJohan Hedberg 10266759a675SJohan Hedberg if (data[1] == type) 10276759a675SJohan Hedberg return true; 10286759a675SJohan Hedberg 10296759a675SJohan Hedberg data += field_len + 1; 10306759a675SJohan Hedberg } 10316759a675SJohan Hedberg 10326759a675SJohan Hedberg return false; 10336759a675SJohan Hedberg } 10346759a675SJohan Hedberg 10359d939d94SVishal Agarwal static inline size_t eir_get_length(u8 *eir, size_t eir_len) 10369d939d94SVishal Agarwal { 10379d939d94SVishal Agarwal size_t parsed = 0; 10389d939d94SVishal Agarwal 10399d939d94SVishal Agarwal while (parsed < eir_len) { 10409d939d94SVishal Agarwal u8 field_len = eir[0]; 10419d939d94SVishal Agarwal 10429d939d94SVishal Agarwal if (field_len == 0) 10439d939d94SVishal Agarwal return parsed; 10449d939d94SVishal Agarwal 10459d939d94SVishal Agarwal parsed += field_len + 1; 10469d939d94SVishal Agarwal eir += field_len + 1; 10479d939d94SVishal Agarwal } 10489d939d94SVishal Agarwal 10499d939d94SVishal Agarwal return eir_len; 10509d939d94SVishal Agarwal } 10519d939d94SVishal Agarwal 10521dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 10531dc06093SJohan Hedberg u8 data_len) 10541dc06093SJohan Hedberg { 10551dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 10561dc06093SJohan Hedberg eir[eir_len++] = type; 10571dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 10581dc06093SJohan Hedberg eir_len += data_len; 10591dc06093SJohan Hedberg 10601dc06093SJohan Hedberg return eir_len; 10611dc06093SJohan Hedberg } 10621dc06093SJohan Hedberg 10631da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10641da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10651da177e4SLinus Torvalds 10663119ae95SJohan Hedberg struct hci_request { 10673119ae95SJohan Hedberg struct hci_dev *hdev; 10683119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10695d73e034SAndre Guedes 10705d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10715d73e034SAndre Guedes * value is stored in this field. 10725d73e034SAndre Guedes */ 10735d73e034SAndre Guedes int err; 10743119ae95SJohan Hedberg }; 10753119ae95SJohan Hedberg 10763119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10773119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 107807dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 107907dc93ddSJohan Hedberg const void *param); 108007dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 108107dc93ddSJohan Hedberg const void *param, u8 event); 10829238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10833119ae95SJohan Hedberg 108475e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 108507dc93ddSJohan Hedberg const void *param, u32 timeout); 10867b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 108707dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 108875e84b7cSJohan Hedberg 108907dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 109007dc93ddSJohan Hedberg const void *param); 109173d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10920d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10931da177e4SLinus Torvalds 1094a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1097470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1098470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1099cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 11001da177e4SLinus Torvalds 1101040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1102040030efSMarcel Holtmann 11030381101fSJohan Hedberg /* Management interface */ 1104591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1105591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1106591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1107591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1108591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1109591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1110f39799f5SAndre Guedes 11110d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 11120d8cc935SAndre Guedes * Discovery Procedure specification. 11130d8cc935SAndre Guedes */ 11140d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 11150d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 11160d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 11170d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 11180d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 11190d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 11200d8cc935SAndre Guedes 11210381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1122744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 1123744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 112496570ffcSJohan Hedberg int mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1125744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1126744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1127744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 1128744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1129744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1130745c0ce3SVishal Agarwal bool persistent); 1131afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 113204124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 113304124681SGustavo F. Padovan u8 *dev_class); 1134afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1135f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 113688c3df13SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 113788c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 113848264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 113948264f06SJohan Hedberg u8 addr_type, u8 status); 1140744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1141744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1142c35938b2SSzymon Janc u8 status); 1143744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1144744cf19eSJohan Hedberg u8 status); 1145744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1146272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1147272d90dfSJohan Hedberg u8 confirm_hint); 1148744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1149272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1150272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1151272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1152272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1153272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1154604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1155272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1156272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1157272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 115892a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 115992a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 116092a25256SJohan Hedberg u8 entered); 1161bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1162bab73cb6SJohan Hedberg u8 addr_type, u8 status); 116333ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1164c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11657f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11667f9a903cSMarcel Holtmann u8 status); 1167744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1168744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1169744cf19eSJohan Hedberg u8 *randomizer, u8 status); 117006199cf8SJohan Hedberg int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 117148264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 117204124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 117304124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 1174b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1175b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 1176744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 117788c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 117888c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1179bb4b2a9aSAndrei Emeltchenko bool mgmt_valid_hdev(struct hci_dev *hdev); 1180346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 1181346af67bSVinicius Costa Gomes 11821da177e4SLinus Torvalds /* HCI info for socket */ 11831da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11841da177e4SLinus Torvalds 11851da177e4SLinus Torvalds struct hci_pinfo { 11861da177e4SLinus Torvalds struct bt_sock bt; 11871da177e4SLinus Torvalds struct hci_dev *hdev; 11881da177e4SLinus Torvalds struct hci_filter filter; 11891da177e4SLinus Torvalds __u32 cmsg_mask; 1190c02178d2SJohan Hedberg unsigned short channel; 11911da177e4SLinus Torvalds }; 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvalds /* HCI security filter */ 11941da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvalds struct hci_sec_filter { 11971da177e4SLinus Torvalds __u32 type_mask; 11981da177e4SLinus Torvalds __u32 event_mask[2]; 11991da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 12001da177e4SLinus Torvalds }; 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvalds /* ----- HCI requests ----- */ 12031da177e4SLinus Torvalds #define HCI_REQ_DONE 0 12041da177e4SLinus Torvalds #define HCI_REQ_PEND 1 12051da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 12061da177e4SLinus Torvalds 1207a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1208a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 12091da177e4SLinus Torvalds 121004b4edcbSJohan Hedberg void hci_update_ad(struct hci_request *req); 121104b4edcbSJohan Hedberg 12122ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 12132ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1214a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1215a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 12162519a1fcSAndre Guedes 121731f7956cSAndre Guedes u8 bdaddr_to_le(u8 bdaddr_type); 121831f7956cSAndre Guedes 12195d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 12205d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 12215d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 12225d4d62f6SFrédéric Dalleau 12231da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1224