11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds /* HCI upper protocols */ 311da177e4SLinus Torvalds #define HCI_PROTO_L2CAP 0 321da177e4SLinus Torvalds #define HCI_PROTO_SCO 1 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds /* HCI Core structures */ 351da177e4SLinus Torvalds struct inquiry_data { 361da177e4SLinus Torvalds bdaddr_t bdaddr; 371da177e4SLinus Torvalds __u8 pscan_rep_mode; 381da177e4SLinus Torvalds __u8 pscan_period_mode; 391da177e4SLinus Torvalds __u8 pscan_mode; 401da177e4SLinus Torvalds __u8 dev_class[3]; 411ebb9252SMarcel Holtmann __le16 clock_offset; 421da177e4SLinus Torvalds __s8 rssi; 4341a96212SMarcel Holtmann __u8 ssp_mode; 441da177e4SLinus Torvalds }; 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds struct inquiry_entry { 471da177e4SLinus Torvalds struct inquiry_entry *next; 481da177e4SLinus Torvalds __u32 timestamp; 491da177e4SLinus Torvalds struct inquiry_data data; 501da177e4SLinus Torvalds }; 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds struct inquiry_cache { 531da177e4SLinus Torvalds spinlock_t lock; 541da177e4SLinus Torvalds __u32 timestamp; 551da177e4SLinus Torvalds struct inquiry_entry *list; 561da177e4SLinus Torvalds }; 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds struct hci_conn_hash { 591da177e4SLinus Torvalds struct list_head list; 601da177e4SLinus Torvalds spinlock_t lock; 611da177e4SLinus Torvalds unsigned int acl_num; 621da177e4SLinus Torvalds unsigned int sco_num; 63fcd89c09SVille Tervo unsigned int le_num; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 66f0358568SJohan Hedberg struct bdaddr_list { 67f0358568SJohan Hedberg struct list_head list; 68f0358568SJohan Hedberg bdaddr_t bdaddr; 69f0358568SJohan Hedberg }; 702aeb9a1aSJohan Hedberg 712aeb9a1aSJohan Hedberg struct bt_uuid { 722aeb9a1aSJohan Hedberg struct list_head list; 732aeb9a1aSJohan Hedberg u8 uuid[16]; 741aff6f09SJohan Hedberg u8 svc_hint; 752aeb9a1aSJohan Hedberg }; 762aeb9a1aSJohan Hedberg 7755ed8ca1SJohan Hedberg struct link_key { 7855ed8ca1SJohan Hedberg struct list_head list; 7955ed8ca1SJohan Hedberg bdaddr_t bdaddr; 8055ed8ca1SJohan Hedberg u8 type; 8155ed8ca1SJohan Hedberg u8 val[16]; 8255ed8ca1SJohan Hedberg u8 pin_len; 8355ed8ca1SJohan Hedberg }; 8455ed8ca1SJohan Hedberg 852763eda6SSzymon Janc struct oob_data { 862763eda6SSzymon Janc struct list_head list; 872763eda6SSzymon Janc bdaddr_t bdaddr; 882763eda6SSzymon Janc u8 hash[16]; 892763eda6SSzymon Janc u8 randomizer[16]; 902763eda6SSzymon Janc }; 912763eda6SSzymon Janc 9276c8686fSAndre Guedes struct adv_entry { 9376c8686fSAndre Guedes struct list_head list; 9476c8686fSAndre Guedes bdaddr_t bdaddr; 9576c8686fSAndre Guedes u8 bdaddr_type; 9676c8686fSAndre Guedes }; 9776c8686fSAndre Guedes 98cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 991da177e4SLinus Torvalds struct hci_dev { 1001da177e4SLinus Torvalds struct list_head list; 1011da177e4SLinus Torvalds spinlock_t lock; 1021da177e4SLinus Torvalds atomic_t refcnt; 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds char name[8]; 1051da177e4SLinus Torvalds unsigned long flags; 1061da177e4SLinus Torvalds __u16 id; 107c13854ceSMarcel Holtmann __u8 bus; 108943da25dSMarcel Holtmann __u8 dev_type; 1091da177e4SLinus Torvalds bdaddr_t bdaddr; 1101f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 11180a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 112a9de9248SMarcel Holtmann __u8 dev_class[3]; 1131aff6f09SJohan Hedberg __u8 major_class; 1141aff6f09SJohan Hedberg __u8 minor_class; 1151da177e4SLinus Torvalds __u8 features[8]; 116a9de9248SMarcel Holtmann __u8 commands[64]; 117333140b5SMarcel Holtmann __u8 ssp_mode; 1181143e5a6SMarcel Holtmann __u8 hci_ver; 1191143e5a6SMarcel Holtmann __u16 hci_rev; 120d5859e22SJohan Hedberg __u8 lmp_ver; 1211143e5a6SMarcel Holtmann __u16 manufacturer; 122d5859e22SJohan Hedberg __le16 lmp_subver; 1231da177e4SLinus Torvalds __u16 voice_setting; 12417fa4b9dSJohan Hedberg __u8 io_capability; 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvalds __u16 pkt_type; 1275b7f9909SMarcel Holtmann __u16 esco_type; 1281da177e4SLinus Torvalds __u16 link_policy; 1291da177e4SLinus Torvalds __u16 link_mode; 1301da177e4SLinus Torvalds 13104837f64SMarcel Holtmann __u32 idle_timeout; 13204837f64SMarcel Holtmann __u16 sniff_min_interval; 13304837f64SMarcel Holtmann __u16 sniff_max_interval; 13404837f64SMarcel Holtmann 1359f61656aSJohan Hedberg unsigned int auto_accept_delay; 1369f61656aSJohan Hedberg 1371da177e4SLinus Torvalds unsigned long quirks; 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds atomic_t cmd_cnt; 1401da177e4SLinus Torvalds unsigned int acl_cnt; 1411da177e4SLinus Torvalds unsigned int sco_cnt; 1426ed58ec5SVille Tervo unsigned int le_cnt; 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds unsigned int acl_mtu; 1451da177e4SLinus Torvalds unsigned int sco_mtu; 1466ed58ec5SVille Tervo unsigned int le_mtu; 1471da177e4SLinus Torvalds unsigned int acl_pkts; 1481da177e4SLinus Torvalds unsigned int sco_pkts; 1496ed58ec5SVille Tervo unsigned int le_pkts; 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds unsigned long acl_last_tx; 1521da177e4SLinus Torvalds unsigned long sco_last_tx; 1536ed58ec5SVille Tervo unsigned long le_last_tx; 1541da177e4SLinus Torvalds 155f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 156f48fd9c8SMarcel Holtmann 157ab81cbf9SJohan Hedberg struct work_struct power_on; 158ab81cbf9SJohan Hedberg struct work_struct power_off; 159ab81cbf9SJohan Hedberg struct timer_list off_timer; 160ab81cbf9SJohan Hedberg 1616bd32326SVille Tervo struct timer_list cmd_timer; 1621da177e4SLinus Torvalds struct tasklet_struct cmd_task; 1631da177e4SLinus Torvalds struct tasklet_struct rx_task; 1641da177e4SLinus Torvalds struct tasklet_struct tx_task; 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvalds struct sk_buff_head rx_q; 1671da177e4SLinus Torvalds struct sk_buff_head raw_q; 1681da177e4SLinus Torvalds struct sk_buff_head cmd_q; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds struct sk_buff *sent_cmd; 171cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 1721da177e4SLinus Torvalds 173a6a67efdSThomas Gleixner struct mutex req_lock; 1741da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 1751da177e4SLinus Torvalds __u32 req_status; 1761da177e4SLinus Torvalds __u32 req_result; 177a5040efaSJohan Hedberg 178a5040efaSJohan Hedberg __u16 init_last_cmd; 1791da177e4SLinus Torvalds 1801da177e4SLinus Torvalds struct inquiry_cache inq_cache; 1811da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 182ea4bd8baSDavid Miller struct list_head blacklist; 1831da177e4SLinus Torvalds 1842aeb9a1aSJohan Hedberg struct list_head uuids; 1852aeb9a1aSJohan Hedberg 18655ed8ca1SJohan Hedberg struct list_head link_keys; 18755ed8ca1SJohan Hedberg 1882763eda6SSzymon Janc struct list_head remote_oob_data; 1892763eda6SSzymon Janc 19076c8686fSAndre Guedes struct list_head adv_entries; 19135815085SAndre Guedes struct timer_list adv_timer; 19276c8686fSAndre Guedes 1931da177e4SLinus Torvalds struct hci_dev_stats stat; 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds struct sk_buff_head driver_init; 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds void *driver_data; 1981da177e4SLinus Torvalds void *core_data; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds atomic_t promisc; 2011da177e4SLinus Torvalds 202ca325f69SMarcel Holtmann struct dentry *debugfs; 203ca325f69SMarcel Holtmann 204a91f2e39SMarcel Holtmann struct device *parent; 205a91f2e39SMarcel Holtmann struct device dev; 2061da177e4SLinus Torvalds 207611b30f7SMarcel Holtmann struct rfkill *rfkill; 208611b30f7SMarcel Holtmann 2091da177e4SLinus Torvalds struct module *owner; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2121da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2131da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2141da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2151da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2161da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2171da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2181da177e4SLinus Torvalds }; 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds struct hci_conn { 2211da177e4SLinus Torvalds struct list_head list; 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds atomic_t refcnt; 2241da177e4SLinus Torvalds spinlock_t lock; 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvalds bdaddr_t dst; 22729b7988aSAndre Guedes __u8 dst_type; 2281da177e4SLinus Torvalds __u16 handle; 2291da177e4SLinus Torvalds __u16 state; 23004837f64SMarcel Holtmann __u8 mode; 2311da177e4SLinus Torvalds __u8 type; 2321da177e4SLinus Torvalds __u8 out; 2334c67bc74SMarcel Holtmann __u8 attempt; 2341da177e4SLinus Torvalds __u8 dev_class[3]; 23504837f64SMarcel Holtmann __u8 features[8]; 23641a96212SMarcel Holtmann __u8 ssp_mode; 23704837f64SMarcel Holtmann __u16 interval; 238a8746417SMarcel Holtmann __u16 pkt_type; 23904837f64SMarcel Holtmann __u16 link_policy; 2401da177e4SLinus Torvalds __u32 link_mode; 24113d39315SWaldemar Rymarkiewicz __u8 key_type; 24240be492fSMarcel Holtmann __u8 auth_type; 2438c1b2355SMarcel Holtmann __u8 sec_level; 244765c2a96SJohan Hedberg __u8 pending_sec_level; 245980e1a53SJohan Hedberg __u8 pin_length; 24617fa4b9dSJohan Hedberg __u8 io_capability; 24704837f64SMarcel Holtmann __u8 power_save; 248052b30b0SMarcel Holtmann __u16 disc_timeout; 2491da177e4SLinus Torvalds unsigned long pend; 2501da177e4SLinus Torvalds 25103b555e1SJohan Hedberg __u8 remote_cap; 25203b555e1SJohan Hedberg __u8 remote_oob; 25303b555e1SJohan Hedberg __u8 remote_auth; 25403b555e1SJohan Hedberg 2551da177e4SLinus Torvalds unsigned int sent; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds struct sk_buff_head data_q; 2581da177e4SLinus Torvalds 25904837f64SMarcel Holtmann struct timer_list disc_timer; 26004837f64SMarcel Holtmann struct timer_list idle_timer; 2619f61656aSJohan Hedberg struct timer_list auto_accept_timer; 2621da177e4SLinus Torvalds 263f3784d83SRoger Quadros struct work_struct work_add; 264f3784d83SRoger Quadros struct work_struct work_del; 265b219e3acSMarcel Holtmann 266b219e3acSMarcel Holtmann struct device dev; 2679eba32b8SMarcel Holtmann atomic_t devref; 268b219e3acSMarcel Holtmann 2691da177e4SLinus Torvalds struct hci_dev *hdev; 2701da177e4SLinus Torvalds void *l2cap_data; 2711da177e4SLinus Torvalds void *sco_data; 2721da177e4SLinus Torvalds void *priv; 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds struct hci_conn *link; 275e9a416b5SJohan Hedberg 276e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 277e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 278e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 2791da177e4SLinus Torvalds }; 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 2821da177e4SLinus Torvalds extern struct list_head hci_dev_list; 2831da177e4SLinus Torvalds extern struct list_head hci_cb_list; 2841da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 2851da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 28870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 28970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 2921da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 2931da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 2941da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 2971da177e4SLinus Torvalds { 2981da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 2991da177e4SLinus Torvalds spin_lock_init(&c->lock); 3001da177e4SLinus Torvalds c->list = NULL; 3011da177e4SLinus Torvalds } 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3041da177e4SLinus Torvalds { 3051da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 306a02cec21SEric Dumazet return c->list == NULL; 3071da177e4SLinus Torvalds } 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3101da177e4SLinus Torvalds { 3111da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3121da177e4SLinus Torvalds return jiffies - c->timestamp; 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3161da177e4SLinus Torvalds { 3171da177e4SLinus Torvalds return jiffies - e->timestamp; 3181da177e4SLinus Torvalds } 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 3211da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3241da177e4SLinus Torvalds enum { 3251da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 32619f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 3271da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 32804837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 32904837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 330e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 3311da177e4SLinus Torvalds }; 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3341da177e4SLinus Torvalds { 3351da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3361da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3371da177e4SLinus Torvalds spin_lock_init(&h->lock); 3381da177e4SLinus Torvalds h->acl_num = 0; 3391da177e4SLinus Torvalds h->sco_num = 0; 3401da177e4SLinus Torvalds } 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3431da177e4SLinus Torvalds { 3441da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3451da177e4SLinus Torvalds list_add(&c->list, &h->list); 346fcd89c09SVille Tervo switch (c->type) { 347fcd89c09SVille Tervo case ACL_LINK: 3481da177e4SLinus Torvalds h->acl_num++; 349fcd89c09SVille Tervo break; 350fcd89c09SVille Tervo case LE_LINK: 351fcd89c09SVille Tervo h->le_num++; 352fcd89c09SVille Tervo break; 353fcd89c09SVille Tervo case SCO_LINK: 354fcd89c09SVille Tervo case ESCO_LINK: 3551da177e4SLinus Torvalds h->sco_num++; 356fcd89c09SVille Tervo break; 357fcd89c09SVille Tervo } 3581da177e4SLinus Torvalds } 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 3611da177e4SLinus Torvalds { 3621da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3631da177e4SLinus Torvalds list_del(&c->list); 364fcd89c09SVille Tervo switch (c->type) { 365fcd89c09SVille Tervo case ACL_LINK: 3661da177e4SLinus Torvalds h->acl_num--; 367fcd89c09SVille Tervo break; 368fcd89c09SVille Tervo case LE_LINK: 369fcd89c09SVille Tervo h->le_num--; 370fcd89c09SVille Tervo break; 371fcd89c09SVille Tervo case SCO_LINK: 372fcd89c09SVille Tervo case ESCO_LINK: 3731da177e4SLinus Torvalds h->sco_num--; 374fcd89c09SVille Tervo break; 375fcd89c09SVille Tervo } 3761da177e4SLinus Torvalds } 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 3791da177e4SLinus Torvalds __u16 handle) 3801da177e4SLinus Torvalds { 3811da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3821da177e4SLinus Torvalds struct list_head *p; 3831da177e4SLinus Torvalds struct hci_conn *c; 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds list_for_each(p, &h->list) { 3861da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 3871da177e4SLinus Torvalds if (c->handle == handle) 3881da177e4SLinus Torvalds return c; 3891da177e4SLinus Torvalds } 3901da177e4SLinus Torvalds return NULL; 3911da177e4SLinus Torvalds } 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 3941da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 3951da177e4SLinus Torvalds { 3961da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3971da177e4SLinus Torvalds struct list_head *p; 3981da177e4SLinus Torvalds struct hci_conn *c; 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds list_for_each(p, &h->list) { 4011da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4021da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 4031da177e4SLinus Torvalds return c; 4041da177e4SLinus Torvalds } 4051da177e4SLinus Torvalds return NULL; 4061da177e4SLinus Torvalds } 4071da177e4SLinus Torvalds 4084c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 4094c67bc74SMarcel Holtmann __u8 type, __u16 state) 4104c67bc74SMarcel Holtmann { 4114c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4124c67bc74SMarcel Holtmann struct list_head *p; 4134c67bc74SMarcel Holtmann struct hci_conn *c; 4144c67bc74SMarcel Holtmann 4154c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4164c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4174c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4184c67bc74SMarcel Holtmann return c; 4194c67bc74SMarcel Holtmann } 4204c67bc74SMarcel Holtmann return NULL; 4214c67bc74SMarcel Holtmann } 4224c67bc74SMarcel Holtmann 4234c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 4241da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4251da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 426b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 427e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4301da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4311da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 432a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4331da177e4SLinus Torvalds 4348c1b2355SMarcel Holtmann struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); 435e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 436b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 4370684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 4381da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 4398c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 4401da177e4SLinus Torvalds 44114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 44204837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 4431da177e4SLinus Torvalds 4449eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 4459eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 4469eba32b8SMarcel Holtmann 4471da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 4481da177e4SLinus Torvalds { 4491da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 45004837f64SMarcel Holtmann del_timer(&conn->disc_timer); 4511da177e4SLinus Torvalds } 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 4541da177e4SLinus Torvalds { 4551da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 45604837f64SMarcel Holtmann unsigned long timeo; 4571da177e4SLinus Torvalds if (conn->type == ACL_LINK) { 4586ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 4596ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 460052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 46104837f64SMarcel Holtmann if (!conn->out) 462052b30b0SMarcel Holtmann timeo *= 2; 4636ac59344SMarcel Holtmann } else 4646ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 4651da177e4SLinus Torvalds } else 46604837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 46704837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 4681da177e4SLinus Torvalds } 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 4721da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 4731da177e4SLinus Torvalds { 4741da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 4751da177e4SLinus Torvalds d->destruct(d); 4761da177e4SLinus Torvalds } 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 4791da177e4SLinus Torvalds { 4801da177e4SLinus Torvalds __hci_dev_put(d); 4811da177e4SLinus Torvalds module_put(d->owner); 4821da177e4SLinus Torvalds } 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 4851da177e4SLinus Torvalds { 4861da177e4SLinus Torvalds atomic_inc(&d->refcnt); 4871da177e4SLinus Torvalds return d; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 4911da177e4SLinus Torvalds { 4921da177e4SLinus Torvalds if (try_module_get(d->owner)) 4931da177e4SLinus Torvalds return __hci_dev_hold(d); 4941da177e4SLinus Torvalds return NULL; 4951da177e4SLinus Torvalds } 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 4981da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 4991da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 5001da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 5031da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 5061da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 5071da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 5081da177e4SLinus Torvalds int hci_unregister_dev(struct hci_dev *hdev); 5091da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 5101da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 5111da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 5121da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 5131da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 5141da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 5151da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 5161da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 5171da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 5181da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 5191da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 52040be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 5211da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 5221da177e4SLinus Torvalds 523f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 524f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 525f0358568SJohan Hedberg 5262aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 5272aeb9a1aSJohan Hedberg 52855ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 52955ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 530d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 531d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 53255ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 53355ed8ca1SJohan Hedberg 5342763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 5352763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 5362763eda6SSzymon Janc bdaddr_t *bdaddr); 5372763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 5382763eda6SSzymon Janc u8 *randomizer); 5392763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 5402763eda6SSzymon Janc 54135815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 54276c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 54376c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 54476c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 54576c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 54676c8686fSAndre Guedes 547ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 548ab81cbf9SJohan Hedberg 5491da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 5501da177e4SLinus Torvalds 55176bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 552ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 55399811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 554ef222013SMarcel Holtmann 5551da177e4SLinus Torvalds int hci_register_sysfs(struct hci_dev *hdev); 5561da177e4SLinus Torvalds void hci_unregister_sysfs(struct hci_dev *hdev); 557a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 558b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 559b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 5601da177e4SLinus Torvalds 561a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 56404837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 56504837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 56604837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 56704837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 5685b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 569769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 570e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 5716ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 5721da177e4SLinus Torvalds 5731da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 5741da177e4SLinus Torvalds struct hci_proto { 5751da177e4SLinus Torvalds char *name; 5761da177e4SLinus Torvalds unsigned int id; 5771da177e4SLinus Torvalds unsigned long flags; 5781da177e4SLinus Torvalds 5791da177e4SLinus Torvalds void *priv; 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); 5821da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 5832950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 5842950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 5851da177e4SLinus Torvalds int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 5861da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 5878c1b2355SMarcel Holtmann int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 5881da177e4SLinus Torvalds }; 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) 5911da177e4SLinus Torvalds { 5921da177e4SLinus Torvalds register struct hci_proto *hp; 5931da177e4SLinus Torvalds int mask = 0; 5941da177e4SLinus Torvalds 5951da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 5961da177e4SLinus Torvalds if (hp && hp->connect_ind) 5971da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 5981da177e4SLinus Torvalds 5991da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6001da177e4SLinus Torvalds if (hp && hp->connect_ind) 6011da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6021da177e4SLinus Torvalds 6031da177e4SLinus Torvalds return mask; 6041da177e4SLinus Torvalds } 6051da177e4SLinus Torvalds 6061da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 6071da177e4SLinus Torvalds { 6081da177e4SLinus Torvalds register struct hci_proto *hp; 6091da177e4SLinus Torvalds 6101da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6111da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6121da177e4SLinus Torvalds hp->connect_cfm(conn, status); 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6151da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6161da177e4SLinus Torvalds hp->connect_cfm(conn, status); 617e9a416b5SJohan Hedberg 618e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 619e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 6201da177e4SLinus Torvalds } 6211da177e4SLinus Torvalds 6222950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 6232950f21aSMarcel Holtmann { 6242950f21aSMarcel Holtmann register struct hci_proto *hp; 6252950f21aSMarcel Holtmann int reason = 0x13; 6262950f21aSMarcel Holtmann 6272950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 6282950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6292950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6302950f21aSMarcel Holtmann 6312950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 6322950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6332950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6342950f21aSMarcel Holtmann 6352950f21aSMarcel Holtmann return reason; 6362950f21aSMarcel Holtmann } 6372950f21aSMarcel Holtmann 6382950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 6391da177e4SLinus Torvalds { 6401da177e4SLinus Torvalds register struct hci_proto *hp; 6411da177e4SLinus Torvalds 6421da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6432950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6442950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 6451da177e4SLinus Torvalds 6461da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6472950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6482950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 649e9a416b5SJohan Hedberg 650e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 651e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 6521da177e4SLinus Torvalds } 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 6551da177e4SLinus Torvalds { 6561da177e4SLinus Torvalds register struct hci_proto *hp; 6578c1b2355SMarcel Holtmann __u8 encrypt; 6588c1b2355SMarcel Holtmann 6598c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 6608c1b2355SMarcel Holtmann return; 6618c1b2355SMarcel Holtmann 6628c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 6631da177e4SLinus Torvalds 6641da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6658c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6668c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6698c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6708c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 671e9a416b5SJohan Hedberg 672e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 673e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6741da177e4SLinus Torvalds } 6751da177e4SLinus Torvalds 6769719f8afSMarcel Holtmann static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 6771da177e4SLinus Torvalds { 6781da177e4SLinus Torvalds register struct hci_proto *hp; 6791da177e4SLinus Torvalds 6801da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6818c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6828c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6831da177e4SLinus Torvalds 6841da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6858c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6868c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 687e9a416b5SJohan Hedberg 688e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 689e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6901da177e4SLinus Torvalds } 6911da177e4SLinus Torvalds 6921da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 6931da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 6961da177e4SLinus Torvalds struct hci_cb { 6971da177e4SLinus Torvalds struct list_head list; 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds char *name; 7001da177e4SLinus Torvalds 7018c1b2355SMarcel Holtmann void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 7021da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 7031da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 7041da177e4SLinus Torvalds }; 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 7071da177e4SLinus Torvalds { 7081da177e4SLinus Torvalds struct list_head *p; 7098c1b2355SMarcel Holtmann __u8 encrypt; 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 7121da177e4SLinus Torvalds 7138c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7148c1b2355SMarcel Holtmann return; 7158c1b2355SMarcel Holtmann 7168c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7178c1b2355SMarcel Holtmann 7181da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7191da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7201da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7218c1b2355SMarcel Holtmann if (cb->security_cfm) 7228c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7231da177e4SLinus Torvalds } 7241da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7251da177e4SLinus Torvalds } 7261da177e4SLinus Torvalds 7271da177e4SLinus Torvalds static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 7281da177e4SLinus Torvalds { 7291da177e4SLinus Torvalds struct list_head *p; 7301da177e4SLinus Torvalds 731435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 732435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 733435fef20SMarcel Holtmann 7349719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7371da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7381da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7398c1b2355SMarcel Holtmann if (cb->security_cfm) 7408c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7411da177e4SLinus Torvalds } 7421da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7431da177e4SLinus Torvalds } 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 7461da177e4SLinus Torvalds { 7471da177e4SLinus Torvalds struct list_head *p; 7481da177e4SLinus Torvalds 7491da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7501da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7511da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7521da177e4SLinus Torvalds if (cb->key_change_cfm) 7531da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 7541da177e4SLinus Torvalds } 7551da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7561da177e4SLinus Torvalds } 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvalds static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) 7591da177e4SLinus Torvalds { 7601da177e4SLinus Torvalds struct list_head *p; 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7631da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7641da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7651da177e4SLinus Torvalds if (cb->role_switch_cfm) 7661da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 7671da177e4SLinus Torvalds } 7681da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7691da177e4SLinus Torvalds } 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 7721da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 7751da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 7761da177e4SLinus Torvalds 777a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 7789a9c6a34SGustavo F. Padovan void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 7790d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 7801da177e4SLinus Torvalds 781a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 7841da177e4SLinus Torvalds 7851da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 786eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 787eec8d2bcSJohan Hedberg struct sock *skip_sk); 7881da177e4SLinus Torvalds 7890381101fSJohan Hedberg /* Management interface */ 7900381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 791c71e97bfSJohan Hedberg int mgmt_index_added(u16 index); 792c71e97bfSJohan Hedberg int mgmt_index_removed(u16 index); 7935add6af8SJohan Hedberg int mgmt_powered(u16 index, u8 powered); 79473f22f62SJohan Hedberg int mgmt_discoverable(u16 index, u8 discoverable); 7959fbcbb45SJohan Hedberg int mgmt_connectable(u16 index, u8 connectable); 7964df378a1SJohan Hedberg int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); 797f7520543SJohan Hedberg int mgmt_connected(u16 index, bdaddr_t *bdaddr); 798f7520543SJohan Hedberg int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); 7998962ee74SJohan Hedberg int mgmt_disconnect_failed(u16 index); 80017d5c04cSJohan Hedberg int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); 801a770bb5aSWaldemar Rymarkiewicz int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); 802980e1a53SJohan Hedberg int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 803980e1a53SJohan Hedberg int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 80455bc1a37SJohan Hedberg int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, 80555bc1a37SJohan Hedberg u8 confirm_hint); 806a5c29683SJohan Hedberg int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 807a5c29683SJohan Hedberg int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, 808a5c29683SJohan Hedberg u8 status); 8092a611692SJohan Hedberg int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); 810b312b161SJohan Hedberg int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); 811c35938b2SSzymon Janc int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, 812c35938b2SSzymon Janc u8 status); 813e17acd40SJohan Hedberg int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, 814e17acd40SJohan Hedberg u8 *eir); 815a88a9652SJohan Hedberg int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); 816314b2381SJohan Hedberg int mgmt_discovering(u16 index, u8 discovering); 8170381101fSJohan Hedberg 8181da177e4SLinus Torvalds /* HCI info for socket */ 8191da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvalds struct hci_pinfo { 8221da177e4SLinus Torvalds struct bt_sock bt; 8231da177e4SLinus Torvalds struct hci_dev *hdev; 8241da177e4SLinus Torvalds struct hci_filter filter; 8251da177e4SLinus Torvalds __u32 cmsg_mask; 826c02178d2SJohan Hedberg unsigned short channel; 8271da177e4SLinus Torvalds }; 8281da177e4SLinus Torvalds 8291da177e4SLinus Torvalds /* HCI security filter */ 8301da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 8311da177e4SLinus Torvalds 8321da177e4SLinus Torvalds struct hci_sec_filter { 8331da177e4SLinus Torvalds __u32 type_mask; 8341da177e4SLinus Torvalds __u32 event_mask[2]; 8351da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 8361da177e4SLinus Torvalds }; 8371da177e4SLinus Torvalds 8381da177e4SLinus Torvalds /* ----- HCI requests ----- */ 8391da177e4SLinus Torvalds #define HCI_REQ_DONE 0 8401da177e4SLinus Torvalds #define HCI_REQ_PEND 1 8411da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 8421da177e4SLinus Torvalds 843a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 844a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 8451da177e4SLinus Torvalds 84623bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 8471da177e4SLinus Torvalds 8482ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 8492ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 8501da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 851