11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 291da177e4SLinus Torvalds 305e59b791SLuiz Augusto von Dentz /* HCI priority */ 315e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 325e59b791SLuiz Augusto von Dentz 331da177e4SLinus Torvalds /* HCI Core structures */ 341da177e4SLinus Torvalds struct inquiry_data { 351da177e4SLinus Torvalds bdaddr_t bdaddr; 361da177e4SLinus Torvalds __u8 pscan_rep_mode; 371da177e4SLinus Torvalds __u8 pscan_period_mode; 381da177e4SLinus Torvalds __u8 pscan_mode; 391da177e4SLinus Torvalds __u8 dev_class[3]; 401ebb9252SMarcel Holtmann __le16 clock_offset; 411da177e4SLinus Torvalds __s8 rssi; 4241a96212SMarcel Holtmann __u8 ssp_mode; 431da177e4SLinus Torvalds }; 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds struct inquiry_entry { 46561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 47561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 48561aafbcSJohan Hedberg enum { 49561aafbcSJohan Hedberg NAME_NOT_KNOWN, 50561aafbcSJohan Hedberg NAME_NEEDED, 51561aafbcSJohan Hedberg NAME_PENDING, 52561aafbcSJohan Hedberg NAME_KNOWN, 53561aafbcSJohan Hedberg } name_state; 541da177e4SLinus Torvalds __u32 timestamp; 551da177e4SLinus Torvalds struct inquiry_data data; 561da177e4SLinus Torvalds }; 571da177e4SLinus Torvalds 5830883512SJohan Hedberg struct discovery_state { 594aab14e5SAndre Guedes int type; 60ff9ef578SJohan Hedberg enum { 61ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 62ff9ef578SJohan Hedberg DISCOVERY_STARTING, 63343f935bSAndre Guedes DISCOVERY_FINDING, 6430dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 65ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 66ff9ef578SJohan Hedberg } state; 67561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 68561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 69561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 701da177e4SLinus Torvalds __u32 timestamp; 711da177e4SLinus Torvalds }; 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds struct hci_conn_hash { 741da177e4SLinus Torvalds struct list_head list; 751da177e4SLinus Torvalds unsigned int acl_num; 76bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 771da177e4SLinus Torvalds unsigned int sco_num; 78fcd89c09SVille Tervo unsigned int le_num; 791da177e4SLinus Torvalds }; 801da177e4SLinus Torvalds 81f0358568SJohan Hedberg struct bdaddr_list { 82f0358568SJohan Hedberg struct list_head list; 83f0358568SJohan Hedberg bdaddr_t bdaddr; 84f0358568SJohan Hedberg }; 852aeb9a1aSJohan Hedberg 862aeb9a1aSJohan Hedberg struct bt_uuid { 872aeb9a1aSJohan Hedberg struct list_head list; 882aeb9a1aSJohan Hedberg u8 uuid[16]; 8983be8ecaSJohan Hedberg u8 size; 901aff6f09SJohan Hedberg u8 svc_hint; 912aeb9a1aSJohan Hedberg }; 922aeb9a1aSJohan Hedberg 93b899efafSVinicius Costa Gomes struct smp_ltk { 94b899efafSVinicius Costa Gomes struct list_head list; 95b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 96b899efafSVinicius Costa Gomes u8 bdaddr_type; 97b899efafSVinicius Costa Gomes u8 authenticated; 98b899efafSVinicius Costa Gomes u8 type; 99b899efafSVinicius Costa Gomes u8 enc_size; 100b899efafSVinicius Costa Gomes __le16 ediv; 101b899efafSVinicius Costa Gomes u8 rand[8]; 102b899efafSVinicius Costa Gomes u8 val[16]; 103b899efafSVinicius Costa Gomes } __packed; 104b899efafSVinicius Costa Gomes 10555ed8ca1SJohan Hedberg struct link_key { 10655ed8ca1SJohan Hedberg struct list_head list; 10755ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10855ed8ca1SJohan Hedberg u8 type; 1099b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 11055ed8ca1SJohan Hedberg u8 pin_len; 11155ed8ca1SJohan Hedberg }; 11255ed8ca1SJohan Hedberg 1132763eda6SSzymon Janc struct oob_data { 1142763eda6SSzymon Janc struct list_head list; 1152763eda6SSzymon Janc bdaddr_t bdaddr; 1162763eda6SSzymon Janc u8 hash[16]; 1172763eda6SSzymon Janc u8 randomizer[16]; 1182763eda6SSzymon Janc }; 1192763eda6SSzymon Janc 120490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 121490c5babSJohan Hedberg 122903e4541SAndrei Emeltchenko struct amp_assoc { 123903e4541SAndrei Emeltchenko __u16 len; 124903e4541SAndrei Emeltchenko __u16 offset; 12593c284eeSAndrei Emeltchenko __u16 rem_len; 12693c284eeSAndrei Emeltchenko __u16 len_so_far; 127903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 128903e4541SAndrei Emeltchenko }; 129903e4541SAndrei Emeltchenko 130d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 131cad718edSJohan Hedberg 132cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1331da177e4SLinus Torvalds struct hci_dev { 1341da177e4SLinus Torvalds struct list_head list; 13509fd0de5SGustavo F. Padovan struct mutex lock; 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds char name[8]; 1381da177e4SLinus Torvalds unsigned long flags; 1391da177e4SLinus Torvalds __u16 id; 140c13854ceSMarcel Holtmann __u8 bus; 141943da25dSMarcel Holtmann __u8 dev_type; 1421da177e4SLinus Torvalds bdaddr_t bdaddr; 143d13eafceSMarcel Holtmann bdaddr_t static_addr; 1441f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 145490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 14680a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 147a9de9248SMarcel Holtmann __u8 dev_class[3]; 1481aff6f09SJohan Hedberg __u8 major_class; 1491aff6f09SJohan Hedberg __u8 minor_class; 150d2c5d77fSJohan Hedberg __u8 max_page; 151cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 15260e77321SJohan Hedberg __u8 le_features[8]; 153cf1d081fSJohan Hedberg __u8 le_white_list_size; 1549b008c04SJohan Hedberg __u8 le_states[8]; 155a9de9248SMarcel Holtmann __u8 commands[64]; 1561143e5a6SMarcel Holtmann __u8 hci_ver; 1571143e5a6SMarcel Holtmann __u16 hci_rev; 158d5859e22SJohan Hedberg __u8 lmp_ver; 1591143e5a6SMarcel Holtmann __u16 manufacturer; 1607d69230cSAndrei Emeltchenko __u16 lmp_subver; 1611da177e4SLinus Torvalds __u16 voice_setting; 16217fa4b9dSJohan Hedberg __u8 io_capability; 16391c4e9b1SMarcel Holtmann __s8 inq_tx_power; 164f332ec66SJohan Hedberg __u16 page_scan_interval; 165f332ec66SJohan Hedberg __u16 page_scan_window; 166f332ec66SJohan Hedberg __u8 page_scan_type; 167f332ec66SJohan Hedberg 1682b9be137SMarcel Holtmann __u16 devid_source; 1692b9be137SMarcel Holtmann __u16 devid_vendor; 1702b9be137SMarcel Holtmann __u16 devid_product; 1712b9be137SMarcel Holtmann __u16 devid_version; 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds __u16 pkt_type; 1745b7f9909SMarcel Holtmann __u16 esco_type; 1751da177e4SLinus Torvalds __u16 link_policy; 1761da177e4SLinus Torvalds __u16 link_mode; 1771da177e4SLinus Torvalds 17804837f64SMarcel Holtmann __u32 idle_timeout; 17904837f64SMarcel Holtmann __u16 sniff_min_interval; 18004837f64SMarcel Holtmann __u16 sniff_max_interval; 18104837f64SMarcel Holtmann 182928abaa7SAndrei Emeltchenko __u8 amp_status; 183928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 184928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 185928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 186928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 187928abaa7SAndrei Emeltchenko __u8 amp_type; 188928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 189928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 190928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 191928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 192928abaa7SAndrei Emeltchenko 193903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 194903e4541SAndrei Emeltchenko 1951e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1961e89cffbSAndrei Emeltchenko 1979f61656aSJohan Hedberg unsigned int auto_accept_delay; 1989f61656aSJohan Hedberg 1991da177e4SLinus Torvalds unsigned long quirks; 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds atomic_t cmd_cnt; 2021da177e4SLinus Torvalds unsigned int acl_cnt; 2031da177e4SLinus Torvalds unsigned int sco_cnt; 2046ed58ec5SVille Tervo unsigned int le_cnt; 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvalds unsigned int acl_mtu; 2071da177e4SLinus Torvalds unsigned int sco_mtu; 2086ed58ec5SVille Tervo unsigned int le_mtu; 2091da177e4SLinus Torvalds unsigned int acl_pkts; 2101da177e4SLinus Torvalds unsigned int sco_pkts; 2116ed58ec5SVille Tervo unsigned int le_pkts; 2121da177e4SLinus Torvalds 213350ee4cfSAndrei Emeltchenko __u16 block_len; 214350ee4cfSAndrei Emeltchenko __u16 block_mtu; 215350ee4cfSAndrei Emeltchenko __u16 num_blocks; 216350ee4cfSAndrei Emeltchenko __u16 block_cnt; 217350ee4cfSAndrei Emeltchenko 2181da177e4SLinus Torvalds unsigned long acl_last_tx; 2191da177e4SLinus Torvalds unsigned long sco_last_tx; 2206ed58ec5SVille Tervo unsigned long le_last_tx; 2211da177e4SLinus Torvalds 222f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2236ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 224f48fd9c8SMarcel Holtmann 225ab81cbf9SJohan Hedberg struct work_struct power_on; 2263243553fSJohan Hedberg struct delayed_work power_off; 227ab81cbf9SJohan Hedberg 22816ab91abSJohan Hedberg __u16 discov_timeout; 22916ab91abSJohan Hedberg struct delayed_work discov_off; 23016ab91abSJohan Hedberg 2317d78525dSJohan Hedberg struct delayed_work service_cache; 2327d78525dSJohan Hedberg 2336bd32326SVille Tervo struct timer_list cmd_timer; 234b78752ccSMarcel Holtmann 235b78752ccSMarcel Holtmann struct work_struct rx_work; 236c347b765SGustavo F. Padovan struct work_struct cmd_work; 2373eff45eaSGustavo F. Padovan struct work_struct tx_work; 2381da177e4SLinus Torvalds 2391da177e4SLinus Torvalds struct sk_buff_head rx_q; 2401da177e4SLinus Torvalds struct sk_buff_head raw_q; 2411da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2421da177e4SLinus Torvalds 243b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2441da177e4SLinus Torvalds struct sk_buff *sent_cmd; 245cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2461da177e4SLinus Torvalds 247a6a67efdSThomas Gleixner struct mutex req_lock; 2481da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2491da177e4SLinus Torvalds __u32 req_status; 2501da177e4SLinus Torvalds __u32 req_result; 251a5040efaSJohan Hedberg 2522e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2532e58ef3eSJohan Hedberg 25430883512SJohan Hedberg struct discovery_state discovery; 2551da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 256ea4bd8baSDavid Miller struct list_head blacklist; 2571da177e4SLinus Torvalds 2582aeb9a1aSJohan Hedberg struct list_head uuids; 2592aeb9a1aSJohan Hedberg 26055ed8ca1SJohan Hedberg struct list_head link_keys; 26155ed8ca1SJohan Hedberg 262b899efafSVinicius Costa Gomes struct list_head long_term_keys; 263b899efafSVinicius Costa Gomes 2642763eda6SSzymon Janc struct list_head remote_oob_data; 2652763eda6SSzymon Janc 2661da177e4SLinus Torvalds struct hci_dev_stats stat; 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds atomic_t promisc; 2691da177e4SLinus Torvalds 270ca325f69SMarcel Holtmann struct dentry *debugfs; 271ca325f69SMarcel Holtmann 272a91f2e39SMarcel Holtmann struct device dev; 2731da177e4SLinus Torvalds 274611b30f7SMarcel Holtmann struct rfkill *rfkill; 275611b30f7SMarcel Holtmann 276d23264a8SAndre Guedes unsigned long dev_flags; 277d23264a8SAndre Guedes 2787ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2797ba8b4beSAndre Guedes 2808fa19098SJohan Hedberg __s8 adv_tx_power; 2813f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 2823f0f524bSJohan Hedberg __u8 adv_data_len; 2838fa19098SJohan Hedberg 2841da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2851da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2861da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 287f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 2881da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2891da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2901da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2911da177e4SLinus Torvalds }; 2921da177e4SLinus Torvalds 29353502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 29453502d69SAndrei Emeltchenko 2951da177e4SLinus Torvalds struct hci_conn { 2961da177e4SLinus Torvalds struct list_head list; 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds atomic_t refcnt; 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds bdaddr_t dst; 30129b7988aSAndre Guedes __u8 dst_type; 3021da177e4SLinus Torvalds __u16 handle; 3031da177e4SLinus Torvalds __u16 state; 30404837f64SMarcel Holtmann __u8 mode; 3051da177e4SLinus Torvalds __u8 type; 306a0c808b3SJohan Hedberg bool out; 3074c67bc74SMarcel Holtmann __u8 attempt; 3081da177e4SLinus Torvalds __u8 dev_class[3]; 309cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 31004837f64SMarcel Holtmann __u16 interval; 311a8746417SMarcel Holtmann __u16 pkt_type; 31204837f64SMarcel Holtmann __u16 link_policy; 3131da177e4SLinus Torvalds __u32 link_mode; 31413d39315SWaldemar Rymarkiewicz __u8 key_type; 31540be492fSMarcel Holtmann __u8 auth_type; 3168c1b2355SMarcel Holtmann __u8 sec_level; 317765c2a96SJohan Hedberg __u8 pending_sec_level; 318980e1a53SJohan Hedberg __u8 pin_length; 319726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 32017fa4b9dSJohan Hedberg __u8 io_capability; 32192a25256SJohan Hedberg __u32 passkey_notify; 32292a25256SJohan Hedberg __u8 passkey_entered; 323052b30b0SMarcel Holtmann __u16 disc_timeout; 32410c62ddcSFrédéric Dalleau __u16 setting; 32551a8efd7SJohan Hedberg unsigned long flags; 3261da177e4SLinus Torvalds 32703b555e1SJohan Hedberg __u8 remote_cap; 32803b555e1SJohan Hedberg __u8 remote_auth; 3293161ae1cSAndrei Emeltchenko __u8 remote_id; 3306ec5bcadSVishal Agarwal bool flush_key; 33103b555e1SJohan Hedberg 3321da177e4SLinus Torvalds unsigned int sent; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds struct sk_buff_head data_q; 3352c33c06aSGustavo F. Padovan struct list_head chan_list; 3361da177e4SLinus Torvalds 33719c40e3bSGustavo F. Padovan struct delayed_work disc_work; 33804837f64SMarcel Holtmann struct timer_list idle_timer; 3399f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3401da177e4SLinus Torvalds 341b219e3acSMarcel Holtmann struct device dev; 342b219e3acSMarcel Holtmann 3431da177e4SLinus Torvalds struct hci_dev *hdev; 3441da177e4SLinus Torvalds void *l2cap_data; 3451da177e4SLinus Torvalds void *sco_data; 3462b64d153SBrian Gix void *smp_conn; 3479740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds struct hci_conn *link; 350e9a416b5SJohan Hedberg 351e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 352e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 353e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3541da177e4SLinus Torvalds }; 3551da177e4SLinus Torvalds 35673d80debSLuiz Augusto von Dentz struct hci_chan { 35773d80debSLuiz Augusto von Dentz struct list_head list; 35842c4e53eSAndrei Emeltchenko __u16 handle; 35973d80debSLuiz Augusto von Dentz struct hci_conn *conn; 36073d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 36173d80debSLuiz Augusto von Dentz unsigned int sent; 362168df8e5SMat Martineau __u8 state; 36373d80debSLuiz Augusto von Dentz }; 36473d80debSLuiz Augusto von Dentz 3651da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3661da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3671da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3681da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3691da177e4SLinus Torvalds 370686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 371686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 3729e664631SAndrei Emeltchenko extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 373686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 3749e664631SAndrei Emeltchenko extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 375686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 376c3c7ea65SGustavo Padovan extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, 377c3c7ea65SGustavo Padovan u16 flags); 378686ebf28SUlisses Furquim 37920714bfeSFrédéric Dalleau extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 3809e664631SAndrei Emeltchenko extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 3819e664631SAndrei Emeltchenko extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 382686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 383686ebf28SUlisses Furquim 3841da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 38570f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 38670f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3871da177e4SLinus Torvalds 38830883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3891da177e4SLinus Torvalds { 390ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 39130883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 39230883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 39330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3941da177e4SLinus Torvalds } 3951da177e4SLinus Torvalds 39630dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 39730dc78e1SJohan Hedberg 398ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 399ff9ef578SJohan Hedberg 4001da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4011da177e4SLinus Torvalds { 40230883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4031da177e4SLinus Torvalds } 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4061da177e4SLinus Torvalds { 40730883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4081da177e4SLinus Torvalds return jiffies - c->timestamp; 4091da177e4SLinus Torvalds } 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4121da177e4SLinus Torvalds { 4131da177e4SLinus Torvalds return jiffies - e->timestamp; 4141da177e4SLinus Torvalds } 4151da177e4SLinus Torvalds 4165a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4175a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 418561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 419561aafbcSJohan Hedberg bdaddr_t *bdaddr); 42030dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 42130dc78e1SJohan Hedberg bdaddr_t *bdaddr, 42230dc78e1SJohan Hedberg int state); 423a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 424a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4253175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 426388fc8faSJohan Hedberg bool name_known, bool *ssp); 4271f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4301da177e4SLinus Torvalds enum { 4311da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 43219f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4331da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 43404837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 43504837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 436e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 437d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 438b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 43958a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 44058a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 44158a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4421da177e4SLinus Torvalds }; 4431da177e4SLinus Torvalds 444aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 445aa64a8b5SJohan Hedberg { 446aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 447c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 448c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 449aa64a8b5SJohan Hedberg } 450aa64a8b5SJohan Hedberg 4511da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4521da177e4SLinus Torvalds { 4531da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 454bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 455fcd89c09SVille Tervo switch (c->type) { 456fcd89c09SVille Tervo case ACL_LINK: 4571da177e4SLinus Torvalds h->acl_num++; 458fcd89c09SVille Tervo break; 459bd1eb66bSAndrei Emeltchenko case AMP_LINK: 460bd1eb66bSAndrei Emeltchenko h->amp_num++; 461bd1eb66bSAndrei Emeltchenko break; 462fcd89c09SVille Tervo case LE_LINK: 463fcd89c09SVille Tervo h->le_num++; 464fcd89c09SVille Tervo break; 465fcd89c09SVille Tervo case SCO_LINK: 466fcd89c09SVille Tervo case ESCO_LINK: 4671da177e4SLinus Torvalds h->sco_num++; 468fcd89c09SVille Tervo break; 469fcd89c09SVille Tervo } 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4731da177e4SLinus Torvalds { 4741da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 475bf4c6325SGustavo F. Padovan 476bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 477bf4c6325SGustavo F. Padovan synchronize_rcu(); 478bf4c6325SGustavo F. Padovan 479fcd89c09SVille Tervo switch (c->type) { 480fcd89c09SVille Tervo case ACL_LINK: 4811da177e4SLinus Torvalds h->acl_num--; 482fcd89c09SVille Tervo break; 483bd1eb66bSAndrei Emeltchenko case AMP_LINK: 484bd1eb66bSAndrei Emeltchenko h->amp_num--; 485bd1eb66bSAndrei Emeltchenko break; 486fcd89c09SVille Tervo case LE_LINK: 487fcd89c09SVille Tervo h->le_num--; 488fcd89c09SVille Tervo break; 489fcd89c09SVille Tervo case SCO_LINK: 490fcd89c09SVille Tervo case ESCO_LINK: 4911da177e4SLinus Torvalds h->sco_num--; 492fcd89c09SVille Tervo break; 493fcd89c09SVille Tervo } 4941da177e4SLinus Torvalds } 4951da177e4SLinus Torvalds 49652087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 49752087a79SLuiz Augusto von Dentz { 49852087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 49952087a79SLuiz Augusto von Dentz switch (type) { 50052087a79SLuiz Augusto von Dentz case ACL_LINK: 50152087a79SLuiz Augusto von Dentz return h->acl_num; 502bd1eb66bSAndrei Emeltchenko case AMP_LINK: 503bd1eb66bSAndrei Emeltchenko return h->amp_num; 50452087a79SLuiz Augusto von Dentz case LE_LINK: 50552087a79SLuiz Augusto von Dentz return h->le_num; 50652087a79SLuiz Augusto von Dentz case SCO_LINK: 50752087a79SLuiz Augusto von Dentz case ESCO_LINK: 50852087a79SLuiz Augusto von Dentz return h->sco_num; 50952087a79SLuiz Augusto von Dentz default: 51052087a79SLuiz Augusto von Dentz return 0; 51152087a79SLuiz Augusto von Dentz } 51252087a79SLuiz Augusto von Dentz } 51352087a79SLuiz Augusto von Dentz 5141da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5151da177e4SLinus Torvalds __u16 handle) 5161da177e4SLinus Torvalds { 5171da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5181da177e4SLinus Torvalds struct hci_conn *c; 5191da177e4SLinus Torvalds 520bf4c6325SGustavo F. Padovan rcu_read_lock(); 521bf4c6325SGustavo F. Padovan 522bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 523bf4c6325SGustavo F. Padovan if (c->handle == handle) { 524bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5251da177e4SLinus Torvalds return c; 5261da177e4SLinus Torvalds } 527bf4c6325SGustavo F. Padovan } 528bf4c6325SGustavo F. Padovan rcu_read_unlock(); 529bf4c6325SGustavo F. Padovan 5301da177e4SLinus Torvalds return NULL; 5311da177e4SLinus Torvalds } 5321da177e4SLinus Torvalds 5331da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5341da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5351da177e4SLinus Torvalds { 5361da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5371da177e4SLinus Torvalds struct hci_conn *c; 5381da177e4SLinus Torvalds 539bf4c6325SGustavo F. Padovan rcu_read_lock(); 540bf4c6325SGustavo F. Padovan 541bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 542bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 543bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5441da177e4SLinus Torvalds return c; 5451da177e4SLinus Torvalds } 546bf4c6325SGustavo F. Padovan } 547bf4c6325SGustavo F. Padovan 548bf4c6325SGustavo F. Padovan rcu_read_unlock(); 549bf4c6325SGustavo F. Padovan 5501da177e4SLinus Torvalds return NULL; 5511da177e4SLinus Torvalds } 5521da177e4SLinus Torvalds 5534c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5544c67bc74SMarcel Holtmann __u8 type, __u16 state) 5554c67bc74SMarcel Holtmann { 5564c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5574c67bc74SMarcel Holtmann struct hci_conn *c; 5584c67bc74SMarcel Holtmann 559bf4c6325SGustavo F. Padovan rcu_read_lock(); 560bf4c6325SGustavo F. Padovan 561bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 562bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 563bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5644c67bc74SMarcel Holtmann return c; 5654c67bc74SMarcel Holtmann } 566bf4c6325SGustavo F. Padovan } 567bf4c6325SGustavo F. Padovan 568bf4c6325SGustavo F. Padovan rcu_read_unlock(); 569bf4c6325SGustavo F. Padovan 5704c67bc74SMarcel Holtmann return NULL; 5714c67bc74SMarcel Holtmann } 5724c67bc74SMarcel Holtmann 573bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 5742dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 575e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5781da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5791da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 580a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5811da177e4SLinus Torvalds 58273d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 5839472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 5842c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 58542c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 58673d80debSLuiz Augusto von Dentz 5875a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 588b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 58910c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 59010c62ddcSFrédéric Dalleau __u16 setting); 591e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 592b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5930684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5941da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5958c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5961da177e4SLinus Torvalds 59714b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5981da177e4SLinus Torvalds 5998d12356fSDavid Herrmann /* 6008d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6018d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6028d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6038d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6048d12356fSDavid Herrmann * other constant data. 6058d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6068d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6078d12356fSDavid Herrmann * get dropped, though. 6088d12356fSDavid Herrmann * 6098d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6108d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6118d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6128d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6138d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6148d12356fSDavid Herrmann * hci_conn_add()). 6158d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6168d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6178d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6188d12356fSDavid Herrmann */ 6198d12356fSDavid Herrmann 6208d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6218d12356fSDavid Herrmann { 6228d12356fSDavid Herrmann get_device(&conn->dev); 6238d12356fSDavid Herrmann } 6248d12356fSDavid Herrmann 6258d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6268d12356fSDavid Herrmann { 6278d12356fSDavid Herrmann put_device(&conn->dev); 6288d12356fSDavid Herrmann } 6298d12356fSDavid Herrmann 6301da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6311da177e4SLinus Torvalds { 63271becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 63338b3fef1SAndrei Emeltchenko 6341da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6352f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6361da177e4SLinus Torvalds } 6371da177e4SLinus Torvalds 63876a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6391da177e4SLinus Torvalds { 64071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 64138b3fef1SAndrei Emeltchenko 6421da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 64304837f64SMarcel Holtmann unsigned long timeo; 644716e4ab5SAndrei Emeltchenko 645716e4ab5SAndrei Emeltchenko switch (conn->type) { 646716e4ab5SAndrei Emeltchenko case ACL_LINK: 647716e4ab5SAndrei Emeltchenko case LE_LINK: 6486ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 6496ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6505f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 65104837f64SMarcel Holtmann if (!conn->out) 652052b30b0SMarcel Holtmann timeo *= 2; 6535a9d0a3fSWaldemar Rymarkiewicz } else { 6546ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 6555a9d0a3fSWaldemar Rymarkiewicz } 656716e4ab5SAndrei Emeltchenko break; 657716e4ab5SAndrei Emeltchenko 658716e4ab5SAndrei Emeltchenko case AMP_LINK: 659716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 660716e4ab5SAndrei Emeltchenko break; 661716e4ab5SAndrei Emeltchenko 662716e4ab5SAndrei Emeltchenko default: 66304837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 664716e4ab5SAndrei Emeltchenko break; 6655a9d0a3fSWaldemar Rymarkiewicz } 666716e4ab5SAndrei Emeltchenko 6672f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 66819c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 6691931782bSVinicius Costa Gomes &conn->disc_work, timeo); 6701da177e4SLinus Torvalds } 6711da177e4SLinus Torvalds } 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 674dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 6751da177e4SLinus Torvalds { 676376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 677376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 678376261aeSAndrei Emeltchenko 6794c724c71SDavid Herrmann put_device(&d->dev); 680010666a1SDavid Herrmann } 6811da177e4SLinus Torvalds 682dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6831da177e4SLinus Torvalds { 684376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 685376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 686376261aeSAndrei Emeltchenko 6874c724c71SDavid Herrmann get_device(&d->dev); 6881da177e4SLinus Torvalds return d; 6891da177e4SLinus Torvalds } 6901da177e4SLinus Torvalds 69109fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 69209fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6931da177e4SLinus Torvalds 694aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 6953dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 696aa2b86d7SDavid Herrmann 697155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 698155961e8SDavid Herrmann { 699155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 700155961e8SDavid Herrmann } 701155961e8SDavid Herrmann 702155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 703155961e8SDavid Herrmann { 704155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 705155961e8SDavid Herrmann } 706155961e8SDavid Herrmann 7071da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7080c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7091da177e4SLinus Torvalds 7101da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7111da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7121da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 71359735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7141da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7151da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7161da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7171da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7181da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7191da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7201da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7211da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7221da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7231da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7241da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 72540be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7261da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7271da177e4SLinus Torvalds 728c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 729c3c7ea65SGustavo Padovan bdaddr_t *bdaddr); 730f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 73188c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 73288c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 733f0358568SJohan Hedberg 7342aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 7352aeb9a1aSJohan Hedberg 73655ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 73755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 738d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 739d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 740c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 741c9839a11SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, 7429a006657SAndrei Emeltchenko int new_key, u8 authenticated, u8 tk[16], u8 enc_size, 7439a006657SAndrei Emeltchenko __le16 ediv, u8 rand[8]); 744c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 745c9839a11SVinicius Costa Gomes u8 addr_type); 746b899efafSVinicius Costa Gomes int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); 747b899efafSVinicius Costa Gomes int hci_smp_ltks_clear(struct hci_dev *hdev); 74855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 74955ed8ca1SJohan Hedberg 7502763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 7512763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 7522763eda6SSzymon Janc bdaddr_t *bdaddr); 7532763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 7542763eda6SSzymon Janc u8 *randomizer); 7552763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 7562763eda6SSzymon Janc 7571da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 7581da177e4SLinus Torvalds 75976bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 760ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 76199811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 762ef222013SMarcel Holtmann 7630ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 764ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 765ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 766a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 767b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 768b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 7691da177e4SLinus Torvalds 7706935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 7711da177e4SLinus Torvalds 7721da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 773cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 774cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 775cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 776cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 777cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 778cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 779cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 780cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 781cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 782cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 783cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 784cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 785cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 786cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 787cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 788cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 789cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 790cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 79107a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 7921da177e4SLinus Torvalds 793eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 794cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 795cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 796cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 797eead27daSAndre Guedes 7981da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 79920714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 80020714bfeSFrédéric Dalleau 8015a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 80220714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8031da177e4SLinus Torvalds { 804686ebf28SUlisses Furquim switch (type) { 805686ebf28SUlisses Furquim case ACL_LINK: 806686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8071da177e4SLinus Torvalds 808686ebf28SUlisses Furquim case SCO_LINK: 809686ebf28SUlisses Furquim case ESCO_LINK: 81020714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8111da177e4SLinus Torvalds 812686ebf28SUlisses Furquim default: 813686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 814686ebf28SUlisses Furquim return -EINVAL; 815686ebf28SUlisses Furquim } 8161da177e4SLinus Torvalds } 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8191da177e4SLinus Torvalds { 820686ebf28SUlisses Furquim switch (conn->type) { 821686ebf28SUlisses Furquim case ACL_LINK: 822686ebf28SUlisses Furquim case LE_LINK: 823686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 824686ebf28SUlisses Furquim break; 8251da177e4SLinus Torvalds 826686ebf28SUlisses Furquim case SCO_LINK: 827686ebf28SUlisses Furquim case ESCO_LINK: 828686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 829686ebf28SUlisses Furquim break; 8301da177e4SLinus Torvalds 831686ebf28SUlisses Furquim default: 832686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 833686ebf28SUlisses Furquim break; 834686ebf28SUlisses Furquim } 835e9a416b5SJohan Hedberg 836e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 837e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 8381da177e4SLinus Torvalds } 8391da177e4SLinus Torvalds 8402950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 8412950f21aSMarcel Holtmann { 842686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 843686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 8442950f21aSMarcel Holtmann 845686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 8462950f21aSMarcel Holtmann } 8472950f21aSMarcel Holtmann 8482950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 8491da177e4SLinus Torvalds { 850686ebf28SUlisses Furquim switch (conn->type) { 851686ebf28SUlisses Furquim case ACL_LINK: 852686ebf28SUlisses Furquim case LE_LINK: 853686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 854686ebf28SUlisses Furquim break; 8551da177e4SLinus Torvalds 856686ebf28SUlisses Furquim case SCO_LINK: 857686ebf28SUlisses Furquim case ESCO_LINK: 858686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 859686ebf28SUlisses Furquim break; 8601da177e4SLinus Torvalds 861bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 862bd1eb66bSAndrei Emeltchenko case AMP_LINK: 863bd1eb66bSAndrei Emeltchenko break; 864bd1eb66bSAndrei Emeltchenko 865686ebf28SUlisses Furquim default: 866686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 867686ebf28SUlisses Furquim break; 868686ebf28SUlisses Furquim } 869e9a416b5SJohan Hedberg 870e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 871e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 8721da177e4SLinus Torvalds } 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 8751da177e4SLinus Torvalds { 8768c1b2355SMarcel Holtmann __u8 encrypt; 8778c1b2355SMarcel Holtmann 878686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 879686ebf28SUlisses Furquim return; 880686ebf28SUlisses Furquim 88151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8828c1b2355SMarcel Holtmann return; 8838c1b2355SMarcel Holtmann 8848c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 885686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 886e9a416b5SJohan Hedberg 887e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 888e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8891da177e4SLinus Torvalds } 8901da177e4SLinus Torvalds 8915a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 8925a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8931da177e4SLinus Torvalds { 894686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 895686ebf28SUlisses Furquim return; 8961da177e4SLinus Torvalds 897686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 898e9a416b5SJohan Hedberg 899e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 900e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9011da177e4SLinus Torvalds } 9021da177e4SLinus Torvalds 9031da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9041da177e4SLinus Torvalds struct hci_cb { 9051da177e4SLinus Torvalds struct list_head list; 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvalds char *name; 9081da177e4SLinus Torvalds 9095a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9105a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9111da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9121da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9131da177e4SLinus Torvalds }; 9141da177e4SLinus Torvalds 9151da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9161da177e4SLinus Torvalds { 917711584eaSDenis Kirjanov struct hci_cb *cb; 9188c1b2355SMarcel Holtmann __u8 encrypt; 9191da177e4SLinus Torvalds 9201da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9211da177e4SLinus Torvalds 92251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9238c1b2355SMarcel Holtmann return; 9248c1b2355SMarcel Holtmann 9258c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9268c1b2355SMarcel Holtmann 927f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 928711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9298c1b2355SMarcel Holtmann if (cb->security_cfm) 9308c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9311da177e4SLinus Torvalds } 932f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9331da177e4SLinus Torvalds } 9341da177e4SLinus Torvalds 9355a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 9365a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9371da177e4SLinus Torvalds { 938711584eaSDenis Kirjanov struct hci_cb *cb; 9391da177e4SLinus Torvalds 940435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 941435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 942435fef20SMarcel Holtmann 94388167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 94488167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 94588167aedSVinicius Costa Gomes 9469719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 9471da177e4SLinus Torvalds 948f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 949711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9508c1b2355SMarcel Holtmann if (cb->security_cfm) 9518c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 9521da177e4SLinus Torvalds } 953f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9541da177e4SLinus Torvalds } 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 9571da177e4SLinus Torvalds { 958711584eaSDenis Kirjanov struct hci_cb *cb; 9591da177e4SLinus Torvalds 960f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 961711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9621da177e4SLinus Torvalds if (cb->key_change_cfm) 9631da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 9641da177e4SLinus Torvalds } 965f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9661da177e4SLinus Torvalds } 9671da177e4SLinus Torvalds 9685a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 9695a9d0a3fSWaldemar Rymarkiewicz __u8 role) 9701da177e4SLinus Torvalds { 971711584eaSDenis Kirjanov struct hci_cb *cb; 9721da177e4SLinus Torvalds 973f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 974711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 9751da177e4SLinus Torvalds if (cb->role_switch_cfm) 9761da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 9771da177e4SLinus Torvalds } 978f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 9791da177e4SLinus Torvalds } 9801da177e4SLinus Torvalds 9816759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 9826759a675SJohan Hedberg { 98384d9d071SJohan Hedberg size_t parsed = 0; 9846759a675SJohan Hedberg 9856c0c331eSJohan Hedberg if (data_len < 2) 9866c0c331eSJohan Hedberg return false; 9876c0c331eSJohan Hedberg 98884d9d071SJohan Hedberg while (parsed < data_len - 1) { 98984d9d071SJohan Hedberg u8 field_len = data[0]; 9906759a675SJohan Hedberg 9916759a675SJohan Hedberg if (field_len == 0) 9926759a675SJohan Hedberg break; 9936759a675SJohan Hedberg 9946759a675SJohan Hedberg parsed += field_len + 1; 9956759a675SJohan Hedberg 9966759a675SJohan Hedberg if (parsed > data_len) 9976759a675SJohan Hedberg break; 9986759a675SJohan Hedberg 9996759a675SJohan Hedberg if (data[1] == type) 10006759a675SJohan Hedberg return true; 10016759a675SJohan Hedberg 10026759a675SJohan Hedberg data += field_len + 1; 10036759a675SJohan Hedberg } 10046759a675SJohan Hedberg 10056759a675SJohan Hedberg return false; 10066759a675SJohan Hedberg } 10076759a675SJohan Hedberg 10089d939d94SVishal Agarwal static inline size_t eir_get_length(u8 *eir, size_t eir_len) 10099d939d94SVishal Agarwal { 10109d939d94SVishal Agarwal size_t parsed = 0; 10119d939d94SVishal Agarwal 10129d939d94SVishal Agarwal while (parsed < eir_len) { 10139d939d94SVishal Agarwal u8 field_len = eir[0]; 10149d939d94SVishal Agarwal 10159d939d94SVishal Agarwal if (field_len == 0) 10169d939d94SVishal Agarwal return parsed; 10179d939d94SVishal Agarwal 10189d939d94SVishal Agarwal parsed += field_len + 1; 10199d939d94SVishal Agarwal eir += field_len + 1; 10209d939d94SVishal Agarwal } 10219d939d94SVishal Agarwal 10229d939d94SVishal Agarwal return eir_len; 10239d939d94SVishal Agarwal } 10249d939d94SVishal Agarwal 10251dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 10261dc06093SJohan Hedberg u8 data_len) 10271dc06093SJohan Hedberg { 10281dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 10291dc06093SJohan Hedberg eir[eir_len++] = type; 10301dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 10311dc06093SJohan Hedberg eir_len += data_len; 10321dc06093SJohan Hedberg 10331dc06093SJohan Hedberg return eir_len; 10341dc06093SJohan Hedberg } 10351dc06093SJohan Hedberg 10361da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 10371da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 10381da177e4SLinus Torvalds 10393119ae95SJohan Hedberg struct hci_request { 10403119ae95SJohan Hedberg struct hci_dev *hdev; 10413119ae95SJohan Hedberg struct sk_buff_head cmd_q; 10425d73e034SAndre Guedes 10435d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 10445d73e034SAndre Guedes * value is stored in this field. 10455d73e034SAndre Guedes */ 10465d73e034SAndre Guedes int err; 10473119ae95SJohan Hedberg }; 10483119ae95SJohan Hedberg 10493119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 10503119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 105107dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 105207dc93ddSJohan Hedberg const void *param); 105307dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 105407dc93ddSJohan Hedberg const void *param, u8 event); 10559238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 10563119ae95SJohan Hedberg 105775e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 105807dc93ddSJohan Hedberg const void *param, u32 timeout); 10597b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 106007dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 106175e84b7cSJohan Hedberg 106207dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 106307dc93ddSJohan Hedberg const void *param); 106473d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 10650d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 10661da177e4SLinus Torvalds 1067a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1070470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1071470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1072cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 10731da177e4SLinus Torvalds 1074040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1075040030efSMarcel Holtmann 10760381101fSJohan Hedberg /* Management interface */ 1077591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1078591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1079591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1080591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1081591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1082591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1083f39799f5SAndre Guedes 10840d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 10850d8cc935SAndre Guedes * Discovery Procedure specification. 10860d8cc935SAndre Guedes */ 10870d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 10880d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 10890d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 10900d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 10910d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 10920d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 10930d8cc935SAndre Guedes 10940381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1095bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1096bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 10973eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1098744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1099744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1100744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 1101744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1102744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1103745c0ce3SVishal Agarwal bool persistent); 1104ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 110504124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 110604124681SGustavo F. Padovan u8 *dev_class); 11079b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1108f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 11097892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 111088c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1111445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 111248264f06SJohan Hedberg u8 addr_type, u8 status); 1113744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1114744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1115c35938b2SSzymon Janc u8 status); 1116744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1117744cf19eSJohan Hedberg u8 status); 1118744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1119272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1120272d90dfSJohan Hedberg u8 confirm_hint); 1121744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1122272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1123272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1124272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1125272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1126272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1127604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1128272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1129272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1130272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 113192a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 113292a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 113392a25256SJohan Hedberg u8 entered); 1134bab73cb6SJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1135bab73cb6SJohan Hedberg u8 addr_type, u8 status); 113633ef95edSJohan Hedberg int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1137c0ecddc2SJohan Hedberg int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 11387f9a903cSMarcel Holtmann int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 11397f9a903cSMarcel Holtmann u8 status); 1140744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1141744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 1142744cf19eSJohan Hedberg u8 *randomizer, u8 status); 1143901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 114404124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 114504124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 11469cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1147b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 1148744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 114988c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 115088c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1151346af67bSVinicius Costa Gomes int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); 11525976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1153346af67bSVinicius Costa Gomes 11541da177e4SLinus Torvalds /* HCI info for socket */ 11551da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvalds struct hci_pinfo { 11581da177e4SLinus Torvalds struct bt_sock bt; 11591da177e4SLinus Torvalds struct hci_dev *hdev; 11601da177e4SLinus Torvalds struct hci_filter filter; 11611da177e4SLinus Torvalds __u32 cmsg_mask; 1162c02178d2SJohan Hedberg unsigned short channel; 11631da177e4SLinus Torvalds }; 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvalds /* HCI security filter */ 11661da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 11671da177e4SLinus Torvalds 11681da177e4SLinus Torvalds struct hci_sec_filter { 11691da177e4SLinus Torvalds __u32 type_mask; 11701da177e4SLinus Torvalds __u32 event_mask[2]; 11711da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 11721da177e4SLinus Torvalds }; 11731da177e4SLinus Torvalds 11741da177e4SLinus Torvalds /* ----- HCI requests ----- */ 11751da177e4SLinus Torvalds #define HCI_REQ_DONE 0 11761da177e4SLinus Torvalds #define HCI_REQ_PEND 1 11771da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 11781da177e4SLinus Torvalds 1179a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1180a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 11811da177e4SLinus Torvalds 118204b4edcbSJohan Hedberg void hci_update_ad(struct hci_request *req); 118304b4edcbSJohan Hedberg 11842ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 11852ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1186a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1187a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 11882519a1fcSAndre Guedes 118931f7956cSAndre Guedes u8 bdaddr_to_le(u8 bdaddr_type); 119031f7956cSAndre Guedes 11915d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 11925d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 11935d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 11945d4d62f6SFrédéric Dalleau 11951da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1196