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 153928abaa7SAndrei Emeltchenko __u8 amp_status; 154928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 155928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 156928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 157928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 158928abaa7SAndrei Emeltchenko __u8 amp_type; 159928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 160928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 161928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 162928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 163928abaa7SAndrei Emeltchenko 1649f61656aSJohan Hedberg unsigned int auto_accept_delay; 1659f61656aSJohan Hedberg 1661da177e4SLinus Torvalds unsigned long quirks; 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds atomic_t cmd_cnt; 1691da177e4SLinus Torvalds unsigned int acl_cnt; 1701da177e4SLinus Torvalds unsigned int sco_cnt; 1716ed58ec5SVille Tervo unsigned int le_cnt; 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds unsigned int acl_mtu; 1741da177e4SLinus Torvalds unsigned int sco_mtu; 1756ed58ec5SVille Tervo unsigned int le_mtu; 1761da177e4SLinus Torvalds unsigned int acl_pkts; 1771da177e4SLinus Torvalds unsigned int sco_pkts; 1786ed58ec5SVille Tervo unsigned int le_pkts; 1791da177e4SLinus Torvalds 1801da177e4SLinus Torvalds unsigned long acl_last_tx; 1811da177e4SLinus Torvalds unsigned long sco_last_tx; 1826ed58ec5SVille Tervo unsigned long le_last_tx; 1831da177e4SLinus Torvalds 184f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 185f48fd9c8SMarcel Holtmann 186ab81cbf9SJohan Hedberg struct work_struct power_on; 187ab81cbf9SJohan Hedberg struct work_struct power_off; 188ab81cbf9SJohan Hedberg struct timer_list off_timer; 189ab81cbf9SJohan Hedberg 1906bd32326SVille Tervo struct timer_list cmd_timer; 1911da177e4SLinus Torvalds struct tasklet_struct cmd_task; 1921da177e4SLinus Torvalds struct tasklet_struct rx_task; 1931da177e4SLinus Torvalds struct tasklet_struct tx_task; 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds struct sk_buff_head rx_q; 1961da177e4SLinus Torvalds struct sk_buff_head raw_q; 1971da177e4SLinus Torvalds struct sk_buff_head cmd_q; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds struct sk_buff *sent_cmd; 200cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2011da177e4SLinus Torvalds 202a6a67efdSThomas Gleixner struct mutex req_lock; 2031da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2041da177e4SLinus Torvalds __u32 req_status; 2051da177e4SLinus Torvalds __u32 req_result; 206a5040efaSJohan Hedberg 207a5040efaSJohan Hedberg __u16 init_last_cmd; 2081da177e4SLinus Torvalds 2091da177e4SLinus Torvalds struct inquiry_cache inq_cache; 2101da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 211ea4bd8baSDavid Miller struct list_head blacklist; 2121da177e4SLinus Torvalds 2132aeb9a1aSJohan Hedberg struct list_head uuids; 2142aeb9a1aSJohan Hedberg 21555ed8ca1SJohan Hedberg struct list_head link_keys; 21655ed8ca1SJohan Hedberg 2172763eda6SSzymon Janc struct list_head remote_oob_data; 2182763eda6SSzymon Janc 21976c8686fSAndre Guedes struct list_head adv_entries; 22035815085SAndre Guedes struct timer_list adv_timer; 22176c8686fSAndre Guedes 2221da177e4SLinus Torvalds struct hci_dev_stats stat; 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds struct sk_buff_head driver_init; 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvalds void *driver_data; 2271da177e4SLinus Torvalds void *core_data; 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds atomic_t promisc; 2301da177e4SLinus Torvalds 231ca325f69SMarcel Holtmann struct dentry *debugfs; 232ca325f69SMarcel Holtmann 233a91f2e39SMarcel Holtmann struct device *parent; 234a91f2e39SMarcel Holtmann struct device dev; 2351da177e4SLinus Torvalds 236611b30f7SMarcel Holtmann struct rfkill *rfkill; 237611b30f7SMarcel Holtmann 2381da177e4SLinus Torvalds struct module *owner; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2411da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2421da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2431da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2441da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2451da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2461da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2471da177e4SLinus Torvalds }; 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds struct hci_conn { 2501da177e4SLinus Torvalds struct list_head list; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds atomic_t refcnt; 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds bdaddr_t dst; 25529b7988aSAndre Guedes __u8 dst_type; 2561da177e4SLinus Torvalds __u16 handle; 2571da177e4SLinus Torvalds __u16 state; 25804837f64SMarcel Holtmann __u8 mode; 2591da177e4SLinus Torvalds __u8 type; 2601da177e4SLinus Torvalds __u8 out; 2614c67bc74SMarcel Holtmann __u8 attempt; 2621da177e4SLinus Torvalds __u8 dev_class[3]; 26304837f64SMarcel Holtmann __u8 features[8]; 26441a96212SMarcel Holtmann __u8 ssp_mode; 26504837f64SMarcel Holtmann __u16 interval; 266a8746417SMarcel Holtmann __u16 pkt_type; 26704837f64SMarcel Holtmann __u16 link_policy; 2681da177e4SLinus Torvalds __u32 link_mode; 26913d39315SWaldemar Rymarkiewicz __u8 key_type; 27040be492fSMarcel Holtmann __u8 auth_type; 2718c1b2355SMarcel Holtmann __u8 sec_level; 272765c2a96SJohan Hedberg __u8 pending_sec_level; 273980e1a53SJohan Hedberg __u8 pin_length; 274726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 27517fa4b9dSJohan Hedberg __u8 io_capability; 27604837f64SMarcel Holtmann __u8 power_save; 277052b30b0SMarcel Holtmann __u16 disc_timeout; 2781da177e4SLinus Torvalds unsigned long pend; 2791da177e4SLinus Torvalds 28003b555e1SJohan Hedberg __u8 remote_cap; 28103b555e1SJohan Hedberg __u8 remote_oob; 28203b555e1SJohan Hedberg __u8 remote_auth; 28303b555e1SJohan Hedberg 2841da177e4SLinus Torvalds unsigned int sent; 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds struct sk_buff_head data_q; 2871da177e4SLinus Torvalds 28804837f64SMarcel Holtmann struct timer_list disc_timer; 28904837f64SMarcel Holtmann struct timer_list idle_timer; 2909f61656aSJohan Hedberg struct timer_list auto_accept_timer; 2911da177e4SLinus Torvalds 292f3784d83SRoger Quadros struct work_struct work_add; 293f3784d83SRoger Quadros struct work_struct work_del; 294b219e3acSMarcel Holtmann 295b219e3acSMarcel Holtmann struct device dev; 2969eba32b8SMarcel Holtmann atomic_t devref; 297b219e3acSMarcel Holtmann 2981da177e4SLinus Torvalds struct hci_dev *hdev; 2991da177e4SLinus Torvalds void *l2cap_data; 3001da177e4SLinus Torvalds void *sco_data; 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds struct hci_conn *link; 303e9a416b5SJohan Hedberg 304e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 305e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 306e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3071da177e4SLinus Torvalds }; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 3101da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3111da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3121da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3131da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 31670f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 31770f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 3201da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 3211da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 3221da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 3251da177e4SLinus Torvalds { 3261da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3271da177e4SLinus Torvalds spin_lock_init(&c->lock); 3281da177e4SLinus Torvalds c->list = NULL; 3291da177e4SLinus Torvalds } 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3321da177e4SLinus Torvalds { 3331da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 334a02cec21SEric Dumazet return c->list == NULL; 3351da177e4SLinus Torvalds } 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3381da177e4SLinus Torvalds { 3391da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3401da177e4SLinus Torvalds return jiffies - c->timestamp; 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3441da177e4SLinus Torvalds { 3451da177e4SLinus Torvalds return jiffies - e->timestamp; 3461da177e4SLinus Torvalds } 3471da177e4SLinus Torvalds 3485a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3495a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 3501da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3531da177e4SLinus Torvalds enum { 3541da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 35519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 3561da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 35704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 35804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 359e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 360d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 3611da177e4SLinus Torvalds }; 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3641da177e4SLinus Torvalds { 3651da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3661da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3671da177e4SLinus Torvalds spin_lock_init(&h->lock); 3681da177e4SLinus Torvalds h->acl_num = 0; 3691da177e4SLinus Torvalds h->sco_num = 0; 3701da177e4SLinus Torvalds } 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3731da177e4SLinus Torvalds { 3741da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3751da177e4SLinus Torvalds list_add(&c->list, &h->list); 376fcd89c09SVille Tervo switch (c->type) { 377fcd89c09SVille Tervo case ACL_LINK: 3781da177e4SLinus Torvalds h->acl_num++; 379fcd89c09SVille Tervo break; 380fcd89c09SVille Tervo case LE_LINK: 381fcd89c09SVille Tervo h->le_num++; 382fcd89c09SVille Tervo break; 383fcd89c09SVille Tervo case SCO_LINK: 384fcd89c09SVille Tervo case ESCO_LINK: 3851da177e4SLinus Torvalds h->sco_num++; 386fcd89c09SVille Tervo break; 387fcd89c09SVille Tervo } 3881da177e4SLinus Torvalds } 3891da177e4SLinus Torvalds 3901da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 3911da177e4SLinus Torvalds { 3921da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3931da177e4SLinus Torvalds list_del(&c->list); 394fcd89c09SVille Tervo switch (c->type) { 395fcd89c09SVille Tervo case ACL_LINK: 3961da177e4SLinus Torvalds h->acl_num--; 397fcd89c09SVille Tervo break; 398fcd89c09SVille Tervo case LE_LINK: 399fcd89c09SVille Tervo h->le_num--; 400fcd89c09SVille Tervo break; 401fcd89c09SVille Tervo case SCO_LINK: 402fcd89c09SVille Tervo case ESCO_LINK: 4031da177e4SLinus Torvalds h->sco_num--; 404fcd89c09SVille Tervo break; 405fcd89c09SVille Tervo } 4061da177e4SLinus Torvalds } 4071da177e4SLinus Torvalds 40852087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 40952087a79SLuiz Augusto von Dentz { 41052087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 41152087a79SLuiz Augusto von Dentz switch (type) { 41252087a79SLuiz Augusto von Dentz case ACL_LINK: 41352087a79SLuiz Augusto von Dentz return h->acl_num; 41452087a79SLuiz Augusto von Dentz case LE_LINK: 41552087a79SLuiz Augusto von Dentz return h->le_num; 41652087a79SLuiz Augusto von Dentz case SCO_LINK: 41752087a79SLuiz Augusto von Dentz case ESCO_LINK: 41852087a79SLuiz Augusto von Dentz return h->sco_num; 41952087a79SLuiz Augusto von Dentz default: 42052087a79SLuiz Augusto von Dentz return 0; 42152087a79SLuiz Augusto von Dentz } 42252087a79SLuiz Augusto von Dentz } 42352087a79SLuiz Augusto von Dentz 4241da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4251da177e4SLinus Torvalds __u16 handle) 4261da177e4SLinus Torvalds { 4271da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4281da177e4SLinus Torvalds struct list_head *p; 4291da177e4SLinus Torvalds struct hci_conn *c; 4301da177e4SLinus Torvalds 4311da177e4SLinus Torvalds list_for_each(p, &h->list) { 4321da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4331da177e4SLinus Torvalds if (c->handle == handle) 4341da177e4SLinus Torvalds return c; 4351da177e4SLinus Torvalds } 4361da177e4SLinus Torvalds return NULL; 4371da177e4SLinus Torvalds } 4381da177e4SLinus Torvalds 4391da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 4401da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 4411da177e4SLinus Torvalds { 4421da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4431da177e4SLinus Torvalds struct list_head *p; 4441da177e4SLinus Torvalds struct hci_conn *c; 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds list_for_each(p, &h->list) { 4471da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4481da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 4491da177e4SLinus Torvalds return c; 4501da177e4SLinus Torvalds } 4511da177e4SLinus Torvalds return NULL; 4521da177e4SLinus Torvalds } 4531da177e4SLinus Torvalds 4544c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 4554c67bc74SMarcel Holtmann __u8 type, __u16 state) 4564c67bc74SMarcel Holtmann { 4574c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4584c67bc74SMarcel Holtmann struct list_head *p; 4594c67bc74SMarcel Holtmann struct hci_conn *c; 4604c67bc74SMarcel Holtmann 4614c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4624c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4634c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4644c67bc74SMarcel Holtmann return c; 4654c67bc74SMarcel Holtmann } 4664c67bc74SMarcel Holtmann return NULL; 4674c67bc74SMarcel Holtmann } 4684c67bc74SMarcel Holtmann 4694c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 4701da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4711da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 472b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 473e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4761da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4771da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 478a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4791da177e4SLinus Torvalds 4805a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 4815a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 482e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 483b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 4840684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 4851da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 4868c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 4871da177e4SLinus Torvalds 48814b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 48904837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 4901da177e4SLinus Torvalds 4919eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 4929eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 4939eba32b8SMarcel Holtmann 4941da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 4951da177e4SLinus Torvalds { 4961da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 49704837f64SMarcel Holtmann del_timer(&conn->disc_timer); 4981da177e4SLinus Torvalds } 4991da177e4SLinus Torvalds 5001da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5011da177e4SLinus Torvalds { 5021da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 50304837f64SMarcel Holtmann unsigned long timeo; 504454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5056ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5066ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 507052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 50804837f64SMarcel Holtmann if (!conn->out) 509052b30b0SMarcel Holtmann timeo *= 2; 5105a9d0a3fSWaldemar Rymarkiewicz } else { 5116ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 5125a9d0a3fSWaldemar Rymarkiewicz } 5135a9d0a3fSWaldemar Rymarkiewicz } else { 51404837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 5155a9d0a3fSWaldemar Rymarkiewicz } 51604837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds } 5191da177e4SLinus Torvalds 5201da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 5211da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 5221da177e4SLinus Torvalds { 5231da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 5241da177e4SLinus Torvalds d->destruct(d); 5251da177e4SLinus Torvalds } 5261da177e4SLinus Torvalds 5271da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 5281da177e4SLinus Torvalds { 5291da177e4SLinus Torvalds __hci_dev_put(d); 5301da177e4SLinus Torvalds module_put(d->owner); 5311da177e4SLinus Torvalds } 5321da177e4SLinus Torvalds 5331da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 5341da177e4SLinus Torvalds { 5351da177e4SLinus Torvalds atomic_inc(&d->refcnt); 5361da177e4SLinus Torvalds return d; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 5401da177e4SLinus Torvalds { 5411da177e4SLinus Torvalds if (try_module_get(d->owner)) 5421da177e4SLinus Torvalds return __hci_dev_hold(d); 5431da177e4SLinus Torvalds return NULL; 5441da177e4SLinus Torvalds } 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 5471da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 5481da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 5491da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 5501da177e4SLinus Torvalds 5511da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 5521da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 5551da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 5561da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 5571da177e4SLinus Torvalds int hci_unregister_dev(struct hci_dev *hdev); 5581da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 5591da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 5601da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 5611da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 5621da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 5631da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 5641da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 5651da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 5661da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 5671da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 5681da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 56940be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 5701da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 5711da177e4SLinus Torvalds 572f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 573f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 574b2a66aadSAntti Julku int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); 575b2a66aadSAntti Julku int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); 576f0358568SJohan Hedberg 5772aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 5782aeb9a1aSJohan Hedberg 57955ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 58055ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 581d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 582d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 58375d262c2SVinicius Costa Gomes struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 58475d262c2SVinicius Costa Gomes struct link_key *hci_find_link_key_type(struct hci_dev *hdev, 58575d262c2SVinicius Costa Gomes bdaddr_t *bdaddr, u8 type); 58675d262c2SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 587726b4ffcSVinicius Costa Gomes u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]); 58855ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 58955ed8ca1SJohan Hedberg 5902763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 5912763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 5922763eda6SSzymon Janc bdaddr_t *bdaddr); 5932763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 5942763eda6SSzymon Janc u8 *randomizer); 5952763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 5962763eda6SSzymon Janc 59735815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 59876c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 59976c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 60076c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 60176c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 60276c8686fSAndre Guedes 603ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 604ab81cbf9SJohan Hedberg 6051da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6061da177e4SLinus Torvalds 60776bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 608ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 60999811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 610ef222013SMarcel Holtmann 6110ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 6121da177e4SLinus Torvalds int hci_register_sysfs(struct hci_dev *hdev); 6131da177e4SLinus Torvalds void hci_unregister_sysfs(struct hci_dev *hdev); 614a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 615b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 616b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6171da177e4SLinus Torvalds 618a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6191da177e4SLinus Torvalds 6201da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 62104837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 62204837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 62304837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 62404837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 6255b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 626769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 627e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 6286ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 6291da177e4SLinus Torvalds 630eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 631eead27daSAndre Guedes #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE) 632eead27daSAndre Guedes 6331da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 6341da177e4SLinus Torvalds struct hci_proto { 6351da177e4SLinus Torvalds char *name; 6361da177e4SLinus Torvalds unsigned int id; 6371da177e4SLinus Torvalds unsigned long flags; 6381da177e4SLinus Torvalds 6391da177e4SLinus Torvalds void *priv; 6401da177e4SLinus Torvalds 6415a9d0a3fSWaldemar Rymarkiewicz int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, 6425a9d0a3fSWaldemar Rymarkiewicz __u8 type); 6431da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 6442950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 6452950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 6465a9d0a3fSWaldemar Rymarkiewicz int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, 6475a9d0a3fSWaldemar Rymarkiewicz __u16 flags); 6481da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 6495a9d0a3fSWaldemar Rymarkiewicz int (*security_cfm) (struct hci_conn *conn, __u8 status, 6505a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 6511da177e4SLinus Torvalds }; 6521da177e4SLinus Torvalds 6535a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 6545a9d0a3fSWaldemar Rymarkiewicz __u8 type) 6551da177e4SLinus Torvalds { 6561da177e4SLinus Torvalds register struct hci_proto *hp; 6571da177e4SLinus Torvalds int mask = 0; 6581da177e4SLinus Torvalds 6591da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6601da177e4SLinus Torvalds if (hp && hp->connect_ind) 6611da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6641da177e4SLinus Torvalds if (hp && hp->connect_ind) 6651da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds return mask; 6681da177e4SLinus Torvalds } 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 6711da177e4SLinus Torvalds { 6721da177e4SLinus Torvalds register struct hci_proto *hp; 6731da177e4SLinus Torvalds 6741da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6751da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6761da177e4SLinus Torvalds hp->connect_cfm(conn, status); 6771da177e4SLinus Torvalds 6781da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6791da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6801da177e4SLinus Torvalds hp->connect_cfm(conn, status); 681e9a416b5SJohan Hedberg 682e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 683e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 6841da177e4SLinus Torvalds } 6851da177e4SLinus Torvalds 6862950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 6872950f21aSMarcel Holtmann { 6882950f21aSMarcel Holtmann register struct hci_proto *hp; 6892950f21aSMarcel Holtmann int reason = 0x13; 6902950f21aSMarcel Holtmann 6912950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 6922950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6932950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6942950f21aSMarcel Holtmann 6952950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 6962950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6972950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6982950f21aSMarcel Holtmann 6992950f21aSMarcel Holtmann return reason; 7002950f21aSMarcel Holtmann } 7012950f21aSMarcel Holtmann 7022950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7031da177e4SLinus Torvalds { 7041da177e4SLinus Torvalds register struct hci_proto *hp; 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7072950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7082950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 7091da177e4SLinus Torvalds 7101da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7112950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7122950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 713e9a416b5SJohan Hedberg 714e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 715e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7191da177e4SLinus Torvalds { 7201da177e4SLinus Torvalds register struct hci_proto *hp; 7218c1b2355SMarcel Holtmann __u8 encrypt; 7228c1b2355SMarcel Holtmann 7238c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7248c1b2355SMarcel Holtmann return; 7258c1b2355SMarcel Holtmann 7268c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7298c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7308c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7338c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7348c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 735e9a416b5SJohan Hedberg 736e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 737e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7381da177e4SLinus Torvalds } 7391da177e4SLinus Torvalds 7405a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 7415a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7421da177e4SLinus Torvalds { 7431da177e4SLinus Torvalds register struct hci_proto *hp; 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7468c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7478c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7481da177e4SLinus Torvalds 7491da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7508c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7518c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 752e9a416b5SJohan Hedberg 753e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 754e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7551da177e4SLinus Torvalds } 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 7581da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 7591da177e4SLinus Torvalds 7601da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 7611da177e4SLinus Torvalds struct hci_cb { 7621da177e4SLinus Torvalds struct list_head list; 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvalds char *name; 7651da177e4SLinus Torvalds 7665a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 7675a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 7681da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 7691da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 7701da177e4SLinus Torvalds }; 7711da177e4SLinus Torvalds 7721da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 7731da177e4SLinus Torvalds { 7741da177e4SLinus Torvalds struct list_head *p; 7758c1b2355SMarcel Holtmann __u8 encrypt; 7761da177e4SLinus Torvalds 7771da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 7781da177e4SLinus Torvalds 7798c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7808c1b2355SMarcel Holtmann return; 7818c1b2355SMarcel Holtmann 7828c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7838c1b2355SMarcel Holtmann 7841da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7851da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7861da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7878c1b2355SMarcel Holtmann if (cb->security_cfm) 7888c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7891da177e4SLinus Torvalds } 7901da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7911da177e4SLinus Torvalds } 7921da177e4SLinus Torvalds 7935a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 7945a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7951da177e4SLinus Torvalds { 7961da177e4SLinus Torvalds struct list_head *p; 7971da177e4SLinus Torvalds 798435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 799435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 800435fef20SMarcel Holtmann 80188167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 80288167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 80388167aedSVinicius Costa Gomes 8049719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8051da177e4SLinus Torvalds 8061da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8071da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8081da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8098c1b2355SMarcel Holtmann if (cb->security_cfm) 8108c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8111da177e4SLinus Torvalds } 8121da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8131da177e4SLinus Torvalds } 8141da177e4SLinus Torvalds 8151da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8161da177e4SLinus Torvalds { 8171da177e4SLinus Torvalds struct list_head *p; 8181da177e4SLinus Torvalds 8191da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8201da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8211da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8221da177e4SLinus Torvalds if (cb->key_change_cfm) 8231da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8241da177e4SLinus Torvalds } 8251da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8261da177e4SLinus Torvalds } 8271da177e4SLinus Torvalds 8285a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8295a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8301da177e4SLinus Torvalds { 8311da177e4SLinus Torvalds struct list_head *p; 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8341da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8351da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8361da177e4SLinus Torvalds if (cb->role_switch_cfm) 8371da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8381da177e4SLinus Torvalds } 8391da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8401da177e4SLinus Torvalds } 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 8431da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 8461da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 8471da177e4SLinus Torvalds 848a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 8499a9c6a34SGustavo F. Padovan void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 8500d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 8511da177e4SLinus Torvalds 852a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 857eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 858eec8d2bcSJohan Hedberg struct sock *skip_sk); 8591da177e4SLinus Torvalds 8600381101fSJohan Hedberg /* Management interface */ 8610381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 862c71e97bfSJohan Hedberg int mgmt_index_added(u16 index); 863c71e97bfSJohan Hedberg int mgmt_index_removed(u16 index); 8645add6af8SJohan Hedberg int mgmt_powered(u16 index, u8 powered); 86573f22f62SJohan Hedberg int mgmt_discoverable(u16 index, u8 discoverable); 8669fbcbb45SJohan Hedberg int mgmt_connectable(u16 index, u8 connectable); 8674df378a1SJohan Hedberg int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); 868cfafccf7SVinicius Costa Gomes int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type); 869f7520543SJohan Hedberg int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); 8708962ee74SJohan Hedberg int mgmt_disconnect_failed(u16 index); 87117d5c04cSJohan Hedberg int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); 872a770bb5aSWaldemar Rymarkiewicz int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); 873980e1a53SJohan Hedberg int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 874980e1a53SJohan Hedberg int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 87555bc1a37SJohan Hedberg int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, 87655bc1a37SJohan Hedberg u8 confirm_hint); 877a5c29683SJohan Hedberg int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 878a5c29683SJohan Hedberg int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, 879a5c29683SJohan Hedberg u8 status); 8802a611692SJohan Hedberg int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); 881b312b161SJohan Hedberg int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); 882c35938b2SSzymon Janc int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, 883c35938b2SSzymon Janc u8 status); 884e17acd40SJohan Hedberg int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, 885e17acd40SJohan Hedberg u8 *eir); 886a88a9652SJohan Hedberg int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); 887314b2381SJohan Hedberg int mgmt_discovering(u16 index, u8 discovering); 8885e762444SAntti Julku int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr); 8895e762444SAntti Julku int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr); 8900381101fSJohan Hedberg 8911da177e4SLinus Torvalds /* HCI info for socket */ 8921da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvalds struct hci_pinfo { 8951da177e4SLinus Torvalds struct bt_sock bt; 8961da177e4SLinus Torvalds struct hci_dev *hdev; 8971da177e4SLinus Torvalds struct hci_filter filter; 8981da177e4SLinus Torvalds __u32 cmsg_mask; 899c02178d2SJohan Hedberg unsigned short channel; 9001da177e4SLinus Torvalds }; 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds /* HCI security filter */ 9031da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvalds struct hci_sec_filter { 9061da177e4SLinus Torvalds __u32 type_mask; 9071da177e4SLinus Torvalds __u32 event_mask[2]; 9081da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 9091da177e4SLinus Torvalds }; 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvalds /* ----- HCI requests ----- */ 9121da177e4SLinus Torvalds #define HCI_REQ_DONE 0 9131da177e4SLinus Torvalds #define HCI_REQ_PEND 1 9141da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 9151da177e4SLinus Torvalds 916a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 917a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 9181da177e4SLinus Torvalds 91923bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 9201da177e4SLinus Torvalds 9212ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 9222ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 923a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 924a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 925a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 926a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 927a7a595f6SVinicius Costa Gomes 9281da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 929