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 28a6b7a407SAlexey Dobriyan #include <linux/interrupt.h> 291da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds /* HCI upper protocols */ 321da177e4SLinus Torvalds #define HCI_PROTO_L2CAP 0 331da177e4SLinus Torvalds #define HCI_PROTO_SCO 1 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds /* HCI Core structures */ 361da177e4SLinus Torvalds struct inquiry_data { 371da177e4SLinus Torvalds bdaddr_t bdaddr; 381da177e4SLinus Torvalds __u8 pscan_rep_mode; 391da177e4SLinus Torvalds __u8 pscan_period_mode; 401da177e4SLinus Torvalds __u8 pscan_mode; 411da177e4SLinus Torvalds __u8 dev_class[3]; 421ebb9252SMarcel Holtmann __le16 clock_offset; 431da177e4SLinus Torvalds __s8 rssi; 4441a96212SMarcel Holtmann __u8 ssp_mode; 451da177e4SLinus Torvalds }; 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds struct inquiry_entry { 481da177e4SLinus Torvalds struct inquiry_entry *next; 491da177e4SLinus Torvalds __u32 timestamp; 501da177e4SLinus Torvalds struct inquiry_data data; 511da177e4SLinus Torvalds }; 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds struct inquiry_cache { 541da177e4SLinus Torvalds spinlock_t lock; 551da177e4SLinus Torvalds __u32 timestamp; 561da177e4SLinus Torvalds struct inquiry_entry *list; 571da177e4SLinus Torvalds }; 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds struct hci_conn_hash { 601da177e4SLinus Torvalds struct list_head list; 611da177e4SLinus Torvalds spinlock_t lock; 621da177e4SLinus Torvalds unsigned int acl_num; 631da177e4SLinus Torvalds unsigned int sco_num; 64fcd89c09SVille Tervo unsigned int le_num; 651da177e4SLinus Torvalds }; 661da177e4SLinus Torvalds 67f0358568SJohan Hedberg struct bdaddr_list { 68f0358568SJohan Hedberg struct list_head list; 69f0358568SJohan Hedberg bdaddr_t bdaddr; 70f0358568SJohan Hedberg }; 712aeb9a1aSJohan Hedberg 722aeb9a1aSJohan Hedberg struct bt_uuid { 732aeb9a1aSJohan Hedberg struct list_head list; 742aeb9a1aSJohan Hedberg u8 uuid[16]; 751aff6f09SJohan Hedberg u8 svc_hint; 762aeb9a1aSJohan Hedberg }; 772aeb9a1aSJohan Hedberg 7834918cd7SVinicius Costa Gomes struct key_master_id { 7934918cd7SVinicius Costa Gomes __le16 ediv; 8034918cd7SVinicius Costa Gomes u8 rand[8]; 8134918cd7SVinicius Costa Gomes } __packed; 8234918cd7SVinicius Costa Gomes 8334918cd7SVinicius Costa Gomes struct link_key_data { 8434918cd7SVinicius Costa Gomes bdaddr_t bdaddr; 8534918cd7SVinicius Costa Gomes u8 type; 8634918cd7SVinicius Costa Gomes u8 val[16]; 8734918cd7SVinicius Costa Gomes u8 pin_len; 8834918cd7SVinicius Costa Gomes u8 dlen; 8934918cd7SVinicius Costa Gomes u8 data[0]; 9034918cd7SVinicius Costa Gomes } __packed; 9134918cd7SVinicius Costa Gomes 9255ed8ca1SJohan Hedberg struct link_key { 9355ed8ca1SJohan Hedberg struct list_head list; 9455ed8ca1SJohan Hedberg bdaddr_t bdaddr; 9555ed8ca1SJohan Hedberg u8 type; 9655ed8ca1SJohan Hedberg u8 val[16]; 9755ed8ca1SJohan Hedberg u8 pin_len; 9834918cd7SVinicius Costa Gomes u8 dlen; 9934918cd7SVinicius Costa Gomes u8 data[0]; 10055ed8ca1SJohan Hedberg }; 10155ed8ca1SJohan Hedberg 1022763eda6SSzymon Janc struct oob_data { 1032763eda6SSzymon Janc struct list_head list; 1042763eda6SSzymon Janc bdaddr_t bdaddr; 1052763eda6SSzymon Janc u8 hash[16]; 1062763eda6SSzymon Janc u8 randomizer[16]; 1072763eda6SSzymon Janc }; 1082763eda6SSzymon Janc 10976c8686fSAndre Guedes struct adv_entry { 11076c8686fSAndre Guedes struct list_head list; 11176c8686fSAndre Guedes bdaddr_t bdaddr; 11276c8686fSAndre Guedes u8 bdaddr_type; 11376c8686fSAndre Guedes }; 11476c8686fSAndre Guedes 115cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1161da177e4SLinus Torvalds struct hci_dev { 1171da177e4SLinus Torvalds struct list_head list; 1181da177e4SLinus Torvalds spinlock_t lock; 1191da177e4SLinus Torvalds atomic_t refcnt; 1201da177e4SLinus Torvalds 1211da177e4SLinus Torvalds char name[8]; 1221da177e4SLinus Torvalds unsigned long flags; 1231da177e4SLinus Torvalds __u16 id; 124c13854ceSMarcel Holtmann __u8 bus; 125943da25dSMarcel Holtmann __u8 dev_type; 1261da177e4SLinus Torvalds bdaddr_t bdaddr; 1271f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 12880a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 129a9de9248SMarcel Holtmann __u8 dev_class[3]; 1301aff6f09SJohan Hedberg __u8 major_class; 1311aff6f09SJohan Hedberg __u8 minor_class; 1321da177e4SLinus Torvalds __u8 features[8]; 133971e3a4bSAndre Guedes __u8 extfeatures[8]; 134a9de9248SMarcel Holtmann __u8 commands[64]; 135333140b5SMarcel Holtmann __u8 ssp_mode; 1361143e5a6SMarcel Holtmann __u8 hci_ver; 1371143e5a6SMarcel Holtmann __u16 hci_rev; 138d5859e22SJohan Hedberg __u8 lmp_ver; 1391143e5a6SMarcel Holtmann __u16 manufacturer; 140d5859e22SJohan Hedberg __le16 lmp_subver; 1411da177e4SLinus Torvalds __u16 voice_setting; 14217fa4b9dSJohan Hedberg __u8 io_capability; 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds __u16 pkt_type; 1455b7f9909SMarcel Holtmann __u16 esco_type; 1461da177e4SLinus Torvalds __u16 link_policy; 1471da177e4SLinus Torvalds __u16 link_mode; 1481da177e4SLinus Torvalds 14904837f64SMarcel Holtmann __u32 idle_timeout; 15004837f64SMarcel Holtmann __u16 sniff_min_interval; 15104837f64SMarcel Holtmann __u16 sniff_max_interval; 15204837f64SMarcel Holtmann 1539f61656aSJohan Hedberg unsigned int auto_accept_delay; 1549f61656aSJohan Hedberg 1551da177e4SLinus Torvalds unsigned long quirks; 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds atomic_t cmd_cnt; 1581da177e4SLinus Torvalds unsigned int acl_cnt; 1591da177e4SLinus Torvalds unsigned int sco_cnt; 1606ed58ec5SVille Tervo unsigned int le_cnt; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds unsigned int acl_mtu; 1631da177e4SLinus Torvalds unsigned int sco_mtu; 1646ed58ec5SVille Tervo unsigned int le_mtu; 1651da177e4SLinus Torvalds unsigned int acl_pkts; 1661da177e4SLinus Torvalds unsigned int sco_pkts; 1676ed58ec5SVille Tervo unsigned int le_pkts; 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds unsigned long acl_last_tx; 1701da177e4SLinus Torvalds unsigned long sco_last_tx; 1716ed58ec5SVille Tervo unsigned long le_last_tx; 1721da177e4SLinus Torvalds 173f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 174f48fd9c8SMarcel Holtmann 175ab81cbf9SJohan Hedberg struct work_struct power_on; 176ab81cbf9SJohan Hedberg struct work_struct power_off; 177ab81cbf9SJohan Hedberg struct timer_list off_timer; 178ab81cbf9SJohan Hedberg 1796bd32326SVille Tervo struct timer_list cmd_timer; 1801da177e4SLinus Torvalds struct tasklet_struct cmd_task; 1811da177e4SLinus Torvalds struct tasklet_struct rx_task; 1821da177e4SLinus Torvalds struct tasklet_struct tx_task; 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds struct sk_buff_head rx_q; 1851da177e4SLinus Torvalds struct sk_buff_head raw_q; 1861da177e4SLinus Torvalds struct sk_buff_head cmd_q; 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds struct sk_buff *sent_cmd; 189cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 1901da177e4SLinus Torvalds 191a6a67efdSThomas Gleixner struct mutex req_lock; 1921da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 1931da177e4SLinus Torvalds __u32 req_status; 1941da177e4SLinus Torvalds __u32 req_result; 195a5040efaSJohan Hedberg 196a5040efaSJohan Hedberg __u16 init_last_cmd; 1971da177e4SLinus Torvalds 1983a0259bbSVinicius Costa Gomes struct crypto_blkcipher *tfm; 1993a0259bbSVinicius Costa Gomes 2001da177e4SLinus Torvalds struct inquiry_cache inq_cache; 2011da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 202ea4bd8baSDavid Miller struct list_head blacklist; 2031da177e4SLinus Torvalds 2042aeb9a1aSJohan Hedberg struct list_head uuids; 2052aeb9a1aSJohan Hedberg 20655ed8ca1SJohan Hedberg struct list_head link_keys; 20755ed8ca1SJohan Hedberg 2082763eda6SSzymon Janc struct list_head remote_oob_data; 2092763eda6SSzymon Janc 21076c8686fSAndre Guedes struct list_head adv_entries; 21135815085SAndre Guedes struct timer_list adv_timer; 21276c8686fSAndre Guedes 2131da177e4SLinus Torvalds struct hci_dev_stats stat; 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvalds struct sk_buff_head driver_init; 2161da177e4SLinus Torvalds 2171da177e4SLinus Torvalds void *driver_data; 2181da177e4SLinus Torvalds void *core_data; 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds atomic_t promisc; 2211da177e4SLinus Torvalds 222ca325f69SMarcel Holtmann struct dentry *debugfs; 223ca325f69SMarcel Holtmann 224a91f2e39SMarcel Holtmann struct device *parent; 225a91f2e39SMarcel Holtmann struct device dev; 2261da177e4SLinus Torvalds 227611b30f7SMarcel Holtmann struct rfkill *rfkill; 228611b30f7SMarcel Holtmann 2291da177e4SLinus Torvalds struct module *owner; 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2321da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2331da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2341da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2351da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2361da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2371da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2381da177e4SLinus Torvalds }; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds struct hci_conn { 2411da177e4SLinus Torvalds struct list_head list; 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds atomic_t refcnt; 2441da177e4SLinus Torvalds 2451da177e4SLinus Torvalds bdaddr_t dst; 24629b7988aSAndre Guedes __u8 dst_type; 2471da177e4SLinus Torvalds __u16 handle; 2481da177e4SLinus Torvalds __u16 state; 24904837f64SMarcel Holtmann __u8 mode; 2501da177e4SLinus Torvalds __u8 type; 2511da177e4SLinus Torvalds __u8 out; 2524c67bc74SMarcel Holtmann __u8 attempt; 2531da177e4SLinus Torvalds __u8 dev_class[3]; 25404837f64SMarcel Holtmann __u8 features[8]; 25541a96212SMarcel Holtmann __u8 ssp_mode; 25604837f64SMarcel Holtmann __u16 interval; 257a8746417SMarcel Holtmann __u16 pkt_type; 25804837f64SMarcel Holtmann __u16 link_policy; 2591da177e4SLinus Torvalds __u32 link_mode; 26013d39315SWaldemar Rymarkiewicz __u8 key_type; 26140be492fSMarcel Holtmann __u8 auth_type; 2628c1b2355SMarcel Holtmann __u8 sec_level; 263765c2a96SJohan Hedberg __u8 pending_sec_level; 264980e1a53SJohan Hedberg __u8 pin_length; 265726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 26617fa4b9dSJohan Hedberg __u8 io_capability; 26704837f64SMarcel Holtmann __u8 power_save; 268052b30b0SMarcel Holtmann __u16 disc_timeout; 2691da177e4SLinus Torvalds unsigned long pend; 2701da177e4SLinus Torvalds 27103b555e1SJohan Hedberg __u8 remote_cap; 27203b555e1SJohan Hedberg __u8 remote_oob; 27303b555e1SJohan Hedberg __u8 remote_auth; 27403b555e1SJohan Hedberg 2751da177e4SLinus Torvalds unsigned int sent; 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds struct sk_buff_head data_q; 2781da177e4SLinus Torvalds 27904837f64SMarcel Holtmann struct timer_list disc_timer; 28004837f64SMarcel Holtmann struct timer_list idle_timer; 2819f61656aSJohan Hedberg struct timer_list auto_accept_timer; 2821da177e4SLinus Torvalds 283f3784d83SRoger Quadros struct work_struct work_add; 284f3784d83SRoger Quadros struct work_struct work_del; 285b219e3acSMarcel Holtmann 286b219e3acSMarcel Holtmann struct device dev; 2879eba32b8SMarcel Holtmann atomic_t devref; 288b219e3acSMarcel Holtmann 2891da177e4SLinus Torvalds struct hci_dev *hdev; 2901da177e4SLinus Torvalds void *l2cap_data; 2911da177e4SLinus Torvalds void *sco_data; 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds struct hci_conn *link; 294e9a416b5SJohan Hedberg 295e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 296e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 297e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 2981da177e4SLinus Torvalds }; 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 3011da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3021da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3031da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3041da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 30770f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 30870f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 3111da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 3121da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 3131da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 3161da177e4SLinus Torvalds { 3171da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3181da177e4SLinus Torvalds spin_lock_init(&c->lock); 3191da177e4SLinus Torvalds c->list = NULL; 3201da177e4SLinus Torvalds } 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3231da177e4SLinus Torvalds { 3241da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 325a02cec21SEric Dumazet return c->list == NULL; 3261da177e4SLinus Torvalds } 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3291da177e4SLinus Torvalds { 3301da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3311da177e4SLinus Torvalds return jiffies - c->timestamp; 3321da177e4SLinus Torvalds } 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3351da177e4SLinus Torvalds { 3361da177e4SLinus Torvalds return jiffies - e->timestamp; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds 3395a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3405a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 3411da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3441da177e4SLinus Torvalds enum { 3451da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 34619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 3471da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 34804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 34904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 350e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 3511da177e4SLinus Torvalds }; 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3541da177e4SLinus Torvalds { 3551da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3561da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3571da177e4SLinus Torvalds spin_lock_init(&h->lock); 3581da177e4SLinus Torvalds h->acl_num = 0; 3591da177e4SLinus Torvalds h->sco_num = 0; 3601da177e4SLinus Torvalds } 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3631da177e4SLinus Torvalds { 3641da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3651da177e4SLinus Torvalds list_add(&c->list, &h->list); 366fcd89c09SVille Tervo switch (c->type) { 367fcd89c09SVille Tervo case ACL_LINK: 3681da177e4SLinus Torvalds h->acl_num++; 369fcd89c09SVille Tervo break; 370fcd89c09SVille Tervo case LE_LINK: 371fcd89c09SVille Tervo h->le_num++; 372fcd89c09SVille Tervo break; 373fcd89c09SVille Tervo case SCO_LINK: 374fcd89c09SVille Tervo case ESCO_LINK: 3751da177e4SLinus Torvalds h->sco_num++; 376fcd89c09SVille Tervo break; 377fcd89c09SVille Tervo } 3781da177e4SLinus Torvalds } 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 3811da177e4SLinus Torvalds { 3821da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3831da177e4SLinus Torvalds list_del(&c->list); 384fcd89c09SVille Tervo switch (c->type) { 385fcd89c09SVille Tervo case ACL_LINK: 3861da177e4SLinus Torvalds h->acl_num--; 387fcd89c09SVille Tervo break; 388fcd89c09SVille Tervo case LE_LINK: 389fcd89c09SVille Tervo h->le_num--; 390fcd89c09SVille Tervo break; 391fcd89c09SVille Tervo case SCO_LINK: 392fcd89c09SVille Tervo case ESCO_LINK: 3931da177e4SLinus Torvalds h->sco_num--; 394fcd89c09SVille Tervo break; 395fcd89c09SVille Tervo } 3961da177e4SLinus Torvalds } 3971da177e4SLinus Torvalds 39852087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 39952087a79SLuiz Augusto von Dentz { 40052087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 40152087a79SLuiz Augusto von Dentz switch (type) { 40252087a79SLuiz Augusto von Dentz case ACL_LINK: 40352087a79SLuiz Augusto von Dentz return h->acl_num; 40452087a79SLuiz Augusto von Dentz case LE_LINK: 40552087a79SLuiz Augusto von Dentz return h->le_num; 40652087a79SLuiz Augusto von Dentz case SCO_LINK: 40752087a79SLuiz Augusto von Dentz case ESCO_LINK: 40852087a79SLuiz Augusto von Dentz return h->sco_num; 40952087a79SLuiz Augusto von Dentz default: 41052087a79SLuiz Augusto von Dentz return 0; 41152087a79SLuiz Augusto von Dentz } 41252087a79SLuiz Augusto von Dentz } 41352087a79SLuiz Augusto von Dentz 4141da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4151da177e4SLinus Torvalds __u16 handle) 4161da177e4SLinus Torvalds { 4171da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4181da177e4SLinus Torvalds struct list_head *p; 4191da177e4SLinus Torvalds struct hci_conn *c; 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds list_for_each(p, &h->list) { 4221da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4231da177e4SLinus Torvalds if (c->handle == handle) 4241da177e4SLinus Torvalds return c; 4251da177e4SLinus Torvalds } 4261da177e4SLinus Torvalds return NULL; 4271da177e4SLinus Torvalds } 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 4301da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 4311da177e4SLinus Torvalds { 4321da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4331da177e4SLinus Torvalds struct list_head *p; 4341da177e4SLinus Torvalds struct hci_conn *c; 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds list_for_each(p, &h->list) { 4371da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4381da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 4391da177e4SLinus Torvalds return c; 4401da177e4SLinus Torvalds } 4411da177e4SLinus Torvalds return NULL; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4444c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 4454c67bc74SMarcel Holtmann __u8 type, __u16 state) 4464c67bc74SMarcel Holtmann { 4474c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4484c67bc74SMarcel Holtmann struct list_head *p; 4494c67bc74SMarcel Holtmann struct hci_conn *c; 4504c67bc74SMarcel Holtmann 4514c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4524c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4534c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4544c67bc74SMarcel Holtmann return c; 4554c67bc74SMarcel Holtmann } 4564c67bc74SMarcel Holtmann return NULL; 4574c67bc74SMarcel Holtmann } 4584c67bc74SMarcel Holtmann 4594c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 4601da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4611da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 462b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 463e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4661da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4671da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 468a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4691da177e4SLinus Torvalds 4705a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 4715a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 472e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 473b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 4740684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 4751da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 4768c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 4771da177e4SLinus Torvalds 47814b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 47904837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 4801da177e4SLinus Torvalds 4819eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 4829eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 4839eba32b8SMarcel Holtmann 4841da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 4851da177e4SLinus Torvalds { 4861da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 48704837f64SMarcel Holtmann del_timer(&conn->disc_timer); 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 4911da177e4SLinus Torvalds { 4921da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 49304837f64SMarcel Holtmann unsigned long timeo; 4941da177e4SLinus Torvalds if (conn->type == ACL_LINK) { 4956ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 4966ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 497052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 49804837f64SMarcel Holtmann if (!conn->out) 499052b30b0SMarcel Holtmann timeo *= 2; 5005a9d0a3fSWaldemar Rymarkiewicz } else { 5016ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 5025a9d0a3fSWaldemar Rymarkiewicz } 5035a9d0a3fSWaldemar Rymarkiewicz } else { 50404837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 5055a9d0a3fSWaldemar Rymarkiewicz } 50604837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 5071da177e4SLinus Torvalds } 5081da177e4SLinus Torvalds } 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 5111da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 5121da177e4SLinus Torvalds { 5131da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 5141da177e4SLinus Torvalds d->destruct(d); 5151da177e4SLinus Torvalds } 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 5181da177e4SLinus Torvalds { 5191da177e4SLinus Torvalds __hci_dev_put(d); 5201da177e4SLinus Torvalds module_put(d->owner); 5211da177e4SLinus Torvalds } 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 5241da177e4SLinus Torvalds { 5251da177e4SLinus Torvalds atomic_inc(&d->refcnt); 5261da177e4SLinus Torvalds return d; 5271da177e4SLinus Torvalds } 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 5301da177e4SLinus Torvalds { 5311da177e4SLinus Torvalds if (try_module_get(d->owner)) 5321da177e4SLinus Torvalds return __hci_dev_hold(d); 5331da177e4SLinus Torvalds return NULL; 5341da177e4SLinus Torvalds } 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 5371da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 5381da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 5391da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 5421da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 5451da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 5461da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 5471da177e4SLinus Torvalds int hci_unregister_dev(struct hci_dev *hdev); 5481da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 5491da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 5501da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 5511da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 5521da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 5531da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 5541da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 5551da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 5561da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 5571da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 5581da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 55940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 5601da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 5611da177e4SLinus Torvalds 562f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 563f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 564b2a66aadSAntti Julku int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); 565b2a66aadSAntti Julku int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); 566f0358568SJohan Hedberg 5672aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 5682aeb9a1aSJohan Hedberg 56955ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 57055ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 571d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 572d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 57375d262c2SVinicius Costa Gomes struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 57475d262c2SVinicius Costa Gomes struct link_key *hci_find_link_key_type(struct hci_dev *hdev, 57575d262c2SVinicius Costa Gomes bdaddr_t *bdaddr, u8 type); 57675d262c2SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 577726b4ffcSVinicius Costa Gomes u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]); 57855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 57955ed8ca1SJohan Hedberg 5802763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 5812763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 5822763eda6SSzymon Janc bdaddr_t *bdaddr); 5832763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 5842763eda6SSzymon Janc u8 *randomizer); 5852763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 5862763eda6SSzymon Janc 58735815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 58876c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 58976c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 59076c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 59176c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 59276c8686fSAndre Guedes 593ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 594ab81cbf9SJohan Hedberg 5951da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 5961da177e4SLinus Torvalds 59776bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 598ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 59999811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 600ef222013SMarcel Holtmann 6011da177e4SLinus Torvalds int hci_register_sysfs(struct hci_dev *hdev); 6021da177e4SLinus Torvalds void hci_unregister_sysfs(struct hci_dev *hdev); 603a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 604b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 605b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6061da177e4SLinus Torvalds 607a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6081da177e4SLinus Torvalds 6091da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 61004837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 61104837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 61204837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 61304837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 6145b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 615769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 616e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 6176ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 6181da177e4SLinus Torvalds 619eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 620eead27daSAndre Guedes #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE) 621eead27daSAndre Guedes 6221da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 6231da177e4SLinus Torvalds struct hci_proto { 6241da177e4SLinus Torvalds char *name; 6251da177e4SLinus Torvalds unsigned int id; 6261da177e4SLinus Torvalds unsigned long flags; 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds void *priv; 6291da177e4SLinus Torvalds 6305a9d0a3fSWaldemar Rymarkiewicz int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, 6315a9d0a3fSWaldemar Rymarkiewicz __u8 type); 6321da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 6332950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 6342950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 6355a9d0a3fSWaldemar Rymarkiewicz int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, 6365a9d0a3fSWaldemar Rymarkiewicz __u16 flags); 6371da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 6385a9d0a3fSWaldemar Rymarkiewicz int (*security_cfm) (struct hci_conn *conn, __u8 status, 6395a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 6401da177e4SLinus Torvalds }; 6411da177e4SLinus Torvalds 6425a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 6435a9d0a3fSWaldemar Rymarkiewicz __u8 type) 6441da177e4SLinus Torvalds { 6451da177e4SLinus Torvalds register struct hci_proto *hp; 6461da177e4SLinus Torvalds int mask = 0; 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6491da177e4SLinus Torvalds if (hp && hp->connect_ind) 6501da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6531da177e4SLinus Torvalds if (hp && hp->connect_ind) 6541da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds return mask; 6571da177e4SLinus Torvalds } 6581da177e4SLinus Torvalds 6591da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 6601da177e4SLinus Torvalds { 6611da177e4SLinus Torvalds register struct hci_proto *hp; 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6641da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6651da177e4SLinus Torvalds hp->connect_cfm(conn, status); 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6681da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6691da177e4SLinus Torvalds hp->connect_cfm(conn, status); 670e9a416b5SJohan Hedberg 671e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 672e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 6731da177e4SLinus Torvalds } 6741da177e4SLinus Torvalds 6752950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 6762950f21aSMarcel Holtmann { 6772950f21aSMarcel Holtmann register struct hci_proto *hp; 6782950f21aSMarcel Holtmann int reason = 0x13; 6792950f21aSMarcel Holtmann 6802950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 6812950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6822950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6832950f21aSMarcel Holtmann 6842950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 6852950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6862950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6872950f21aSMarcel Holtmann 6882950f21aSMarcel Holtmann return reason; 6892950f21aSMarcel Holtmann } 6902950f21aSMarcel Holtmann 6912950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 6921da177e4SLinus Torvalds { 6931da177e4SLinus Torvalds register struct hci_proto *hp; 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6962950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6972950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7002950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7012950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 702e9a416b5SJohan Hedberg 703e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 704e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7081da177e4SLinus Torvalds { 7091da177e4SLinus Torvalds register struct hci_proto *hp; 7108c1b2355SMarcel Holtmann __u8 encrypt; 7118c1b2355SMarcel Holtmann 7128c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7138c1b2355SMarcel Holtmann return; 7148c1b2355SMarcel Holtmann 7158c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7188c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7198c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7201da177e4SLinus Torvalds 7211da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7228c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7238c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 724e9a416b5SJohan Hedberg 725e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 726e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7271da177e4SLinus Torvalds } 7281da177e4SLinus Torvalds 7295a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 7305a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7311da177e4SLinus Torvalds { 7321da177e4SLinus Torvalds register struct hci_proto *hp; 7331da177e4SLinus Torvalds 7341da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7358c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7368c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7371da177e4SLinus Torvalds 7381da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7398c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7408c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 741e9a416b5SJohan Hedberg 742e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 743e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 7471da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 7481da177e4SLinus Torvalds 7491da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 7501da177e4SLinus Torvalds struct hci_cb { 7511da177e4SLinus Torvalds struct list_head list; 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvalds char *name; 7541da177e4SLinus Torvalds 7555a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 7565a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 7571da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 7581da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 7591da177e4SLinus Torvalds }; 7601da177e4SLinus Torvalds 7611da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 7621da177e4SLinus Torvalds { 7631da177e4SLinus Torvalds struct list_head *p; 7648c1b2355SMarcel Holtmann __u8 encrypt; 7651da177e4SLinus Torvalds 7661da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 7671da177e4SLinus Torvalds 7688c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7698c1b2355SMarcel Holtmann return; 7708c1b2355SMarcel Holtmann 7718c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7728c1b2355SMarcel Holtmann 7731da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7741da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7751da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7768c1b2355SMarcel Holtmann if (cb->security_cfm) 7778c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7781da177e4SLinus Torvalds } 7791da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7801da177e4SLinus Torvalds } 7811da177e4SLinus Torvalds 7825a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 7835a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7841da177e4SLinus Torvalds { 7851da177e4SLinus Torvalds struct list_head *p; 7861da177e4SLinus Torvalds 787435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 788435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 789435fef20SMarcel Holtmann 79088167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 79188167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 79288167aedSVinicius Costa Gomes 7939719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7961da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7971da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7988c1b2355SMarcel Holtmann if (cb->security_cfm) 7998c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8001da177e4SLinus Torvalds } 8011da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8021da177e4SLinus Torvalds } 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8051da177e4SLinus Torvalds { 8061da177e4SLinus Torvalds struct list_head *p; 8071da177e4SLinus Torvalds 8081da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8091da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8101da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8111da177e4SLinus Torvalds if (cb->key_change_cfm) 8121da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8131da177e4SLinus Torvalds } 8141da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8151da177e4SLinus Torvalds } 8161da177e4SLinus Torvalds 8175a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8185a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8191da177e4SLinus Torvalds { 8201da177e4SLinus Torvalds struct list_head *p; 8211da177e4SLinus Torvalds 8221da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8231da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8241da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8251da177e4SLinus Torvalds if (cb->role_switch_cfm) 8261da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8291da177e4SLinus Torvalds } 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 8321da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 8351da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 8361da177e4SLinus Torvalds 837a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 8389a9c6a34SGustavo F. Padovan void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 8390d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 8401da177e4SLinus Torvalds 841a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 846eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 847eec8d2bcSJohan Hedberg struct sock *skip_sk); 8481da177e4SLinus Torvalds 8490381101fSJohan Hedberg /* Management interface */ 8500381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 851c71e97bfSJohan Hedberg int mgmt_index_added(u16 index); 852c71e97bfSJohan Hedberg int mgmt_index_removed(u16 index); 8535add6af8SJohan Hedberg int mgmt_powered(u16 index, u8 powered); 85473f22f62SJohan Hedberg int mgmt_discoverable(u16 index, u8 discoverable); 8559fbcbb45SJohan Hedberg int mgmt_connectable(u16 index, u8 connectable); 8564df378a1SJohan Hedberg int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); 857f7520543SJohan Hedberg int mgmt_connected(u16 index, bdaddr_t *bdaddr); 858f7520543SJohan Hedberg int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); 8598962ee74SJohan Hedberg int mgmt_disconnect_failed(u16 index); 86017d5c04cSJohan Hedberg int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); 861a770bb5aSWaldemar Rymarkiewicz int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); 862980e1a53SJohan Hedberg int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 863980e1a53SJohan Hedberg int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 86455bc1a37SJohan Hedberg int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, 86555bc1a37SJohan Hedberg u8 confirm_hint); 866a5c29683SJohan Hedberg int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 867a5c29683SJohan Hedberg int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, 868a5c29683SJohan Hedberg u8 status); 8692a611692SJohan Hedberg int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); 870b312b161SJohan Hedberg int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); 871c35938b2SSzymon Janc int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, 872c35938b2SSzymon Janc u8 status); 873e17acd40SJohan Hedberg int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, 874e17acd40SJohan Hedberg u8 *eir); 875a88a9652SJohan Hedberg int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); 876314b2381SJohan Hedberg int mgmt_discovering(u16 index, u8 discovering); 8770381101fSJohan Hedberg 8781da177e4SLinus Torvalds /* HCI info for socket */ 8791da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 8801da177e4SLinus Torvalds 8811da177e4SLinus Torvalds struct hci_pinfo { 8821da177e4SLinus Torvalds struct bt_sock bt; 8831da177e4SLinus Torvalds struct hci_dev *hdev; 8841da177e4SLinus Torvalds struct hci_filter filter; 8851da177e4SLinus Torvalds __u32 cmsg_mask; 886c02178d2SJohan Hedberg unsigned short channel; 8871da177e4SLinus Torvalds }; 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvalds /* HCI security filter */ 8901da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 8911da177e4SLinus Torvalds 8921da177e4SLinus Torvalds struct hci_sec_filter { 8931da177e4SLinus Torvalds __u32 type_mask; 8941da177e4SLinus Torvalds __u32 event_mask[2]; 8951da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 8961da177e4SLinus Torvalds }; 8971da177e4SLinus Torvalds 8981da177e4SLinus Torvalds /* ----- HCI requests ----- */ 8991da177e4SLinus Torvalds #define HCI_REQ_DONE 0 9001da177e4SLinus Torvalds #define HCI_REQ_PEND 1 9011da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 9021da177e4SLinus Torvalds 903a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 904a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 9051da177e4SLinus Torvalds 90623bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 9071da177e4SLinus Torvalds 9082ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 9092ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 910a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 911a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 912a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 913a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 914a7a595f6SVinicius Costa Gomes 9151da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 916