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 92cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 931da177e4SLinus Torvalds struct hci_dev { 941da177e4SLinus Torvalds struct list_head list; 951da177e4SLinus Torvalds spinlock_t lock; 961da177e4SLinus Torvalds atomic_t refcnt; 971da177e4SLinus Torvalds 981da177e4SLinus Torvalds char name[8]; 991da177e4SLinus Torvalds unsigned long flags; 1001da177e4SLinus Torvalds __u16 id; 101c13854ceSMarcel Holtmann __u8 bus; 102943da25dSMarcel Holtmann __u8 dev_type; 1031da177e4SLinus Torvalds bdaddr_t bdaddr; 1041f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 10580a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 106a9de9248SMarcel Holtmann __u8 dev_class[3]; 1071aff6f09SJohan Hedberg __u8 major_class; 1081aff6f09SJohan Hedberg __u8 minor_class; 1091da177e4SLinus Torvalds __u8 features[8]; 110a9de9248SMarcel Holtmann __u8 commands[64]; 111333140b5SMarcel Holtmann __u8 ssp_mode; 1121143e5a6SMarcel Holtmann __u8 hci_ver; 1131143e5a6SMarcel Holtmann __u16 hci_rev; 114d5859e22SJohan Hedberg __u8 lmp_ver; 1151143e5a6SMarcel Holtmann __u16 manufacturer; 116d5859e22SJohan Hedberg __le16 lmp_subver; 1171da177e4SLinus Torvalds __u16 voice_setting; 11817fa4b9dSJohan Hedberg __u8 io_capability; 1191da177e4SLinus Torvalds 1201da177e4SLinus Torvalds __u16 pkt_type; 1215b7f9909SMarcel Holtmann __u16 esco_type; 1221da177e4SLinus Torvalds __u16 link_policy; 1231da177e4SLinus Torvalds __u16 link_mode; 1241da177e4SLinus Torvalds 12504837f64SMarcel Holtmann __u32 idle_timeout; 12604837f64SMarcel Holtmann __u16 sniff_min_interval; 12704837f64SMarcel Holtmann __u16 sniff_max_interval; 12804837f64SMarcel Holtmann 1299f61656aSJohan Hedberg unsigned int auto_accept_delay; 1309f61656aSJohan Hedberg 1311da177e4SLinus Torvalds unsigned long quirks; 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds atomic_t cmd_cnt; 1341da177e4SLinus Torvalds unsigned int acl_cnt; 1351da177e4SLinus Torvalds unsigned int sco_cnt; 1366ed58ec5SVille Tervo unsigned int le_cnt; 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvalds unsigned int acl_mtu; 1391da177e4SLinus Torvalds unsigned int sco_mtu; 1406ed58ec5SVille Tervo unsigned int le_mtu; 1411da177e4SLinus Torvalds unsigned int acl_pkts; 1421da177e4SLinus Torvalds unsigned int sco_pkts; 1436ed58ec5SVille Tervo unsigned int le_pkts; 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds unsigned long acl_last_tx; 1461da177e4SLinus Torvalds unsigned long sco_last_tx; 1476ed58ec5SVille Tervo unsigned long le_last_tx; 1481da177e4SLinus Torvalds 149f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 150f48fd9c8SMarcel Holtmann 151ab81cbf9SJohan Hedberg struct work_struct power_on; 152ab81cbf9SJohan Hedberg struct work_struct power_off; 153ab81cbf9SJohan Hedberg struct timer_list off_timer; 154ab81cbf9SJohan Hedberg 1556bd32326SVille Tervo struct timer_list cmd_timer; 1561da177e4SLinus Torvalds struct tasklet_struct cmd_task; 1571da177e4SLinus Torvalds struct tasklet_struct rx_task; 1581da177e4SLinus Torvalds struct tasklet_struct tx_task; 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds struct sk_buff_head rx_q; 1611da177e4SLinus Torvalds struct sk_buff_head raw_q; 1621da177e4SLinus Torvalds struct sk_buff_head cmd_q; 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds struct sk_buff *sent_cmd; 165cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 1661da177e4SLinus Torvalds 167a6a67efdSThomas Gleixner struct mutex req_lock; 1681da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 1691da177e4SLinus Torvalds __u32 req_status; 1701da177e4SLinus Torvalds __u32 req_result; 171a5040efaSJohan Hedberg 172a5040efaSJohan Hedberg __u16 init_last_cmd; 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds struct inquiry_cache inq_cache; 1751da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 176ea4bd8baSDavid Miller struct list_head blacklist; 1771da177e4SLinus Torvalds 1782aeb9a1aSJohan Hedberg struct list_head uuids; 1792aeb9a1aSJohan Hedberg 18055ed8ca1SJohan Hedberg struct list_head link_keys; 18155ed8ca1SJohan Hedberg 1822763eda6SSzymon Janc struct list_head remote_oob_data; 1832763eda6SSzymon Janc 1841da177e4SLinus Torvalds struct hci_dev_stats stat; 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds struct sk_buff_head driver_init; 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds void *driver_data; 1891da177e4SLinus Torvalds void *core_data; 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds atomic_t promisc; 1921da177e4SLinus Torvalds 193ca325f69SMarcel Holtmann struct dentry *debugfs; 194ca325f69SMarcel Holtmann 195a91f2e39SMarcel Holtmann struct device *parent; 196a91f2e39SMarcel Holtmann struct device dev; 1971da177e4SLinus Torvalds 198611b30f7SMarcel Holtmann struct rfkill *rfkill; 199611b30f7SMarcel Holtmann 2001da177e4SLinus Torvalds struct module *owner; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2031da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2041da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2051da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2061da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2071da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2081da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2091da177e4SLinus Torvalds }; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds struct hci_conn { 2121da177e4SLinus Torvalds struct list_head list; 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvalds atomic_t refcnt; 2151da177e4SLinus Torvalds spinlock_t lock; 2161da177e4SLinus Torvalds 2171da177e4SLinus Torvalds bdaddr_t dst; 2181da177e4SLinus Torvalds __u16 handle; 2191da177e4SLinus Torvalds __u16 state; 22004837f64SMarcel Holtmann __u8 mode; 2211da177e4SLinus Torvalds __u8 type; 2221da177e4SLinus Torvalds __u8 out; 2234c67bc74SMarcel Holtmann __u8 attempt; 2241da177e4SLinus Torvalds __u8 dev_class[3]; 22504837f64SMarcel Holtmann __u8 features[8]; 22641a96212SMarcel Holtmann __u8 ssp_mode; 22704837f64SMarcel Holtmann __u16 interval; 228a8746417SMarcel Holtmann __u16 pkt_type; 22904837f64SMarcel Holtmann __u16 link_policy; 2301da177e4SLinus Torvalds __u32 link_mode; 23113d39315SWaldemar Rymarkiewicz __u8 key_type; 23240be492fSMarcel Holtmann __u8 auth_type; 2338c1b2355SMarcel Holtmann __u8 sec_level; 234765c2a96SJohan Hedberg __u8 pending_sec_level; 235980e1a53SJohan Hedberg __u8 pin_length; 23617fa4b9dSJohan Hedberg __u8 io_capability; 23704837f64SMarcel Holtmann __u8 power_save; 238052b30b0SMarcel Holtmann __u16 disc_timeout; 2391da177e4SLinus Torvalds unsigned long pend; 2401da177e4SLinus Torvalds 24103b555e1SJohan Hedberg __u8 remote_cap; 24203b555e1SJohan Hedberg __u8 remote_oob; 24303b555e1SJohan Hedberg __u8 remote_auth; 24403b555e1SJohan Hedberg 2451da177e4SLinus Torvalds unsigned int sent; 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds struct sk_buff_head data_q; 2481da177e4SLinus Torvalds 24904837f64SMarcel Holtmann struct timer_list disc_timer; 25004837f64SMarcel Holtmann struct timer_list idle_timer; 2519f61656aSJohan Hedberg struct timer_list auto_accept_timer; 2521da177e4SLinus Torvalds 253f3784d83SRoger Quadros struct work_struct work_add; 254f3784d83SRoger Quadros struct work_struct work_del; 255b219e3acSMarcel Holtmann 256b219e3acSMarcel Holtmann struct device dev; 2579eba32b8SMarcel Holtmann atomic_t devref; 258b219e3acSMarcel Holtmann 2591da177e4SLinus Torvalds struct hci_dev *hdev; 2601da177e4SLinus Torvalds void *l2cap_data; 2611da177e4SLinus Torvalds void *sco_data; 2621da177e4SLinus Torvalds void *priv; 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds struct hci_conn *link; 265e9a416b5SJohan Hedberg 266e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 267e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 268e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 2691da177e4SLinus Torvalds }; 2701da177e4SLinus Torvalds 2711da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 2721da177e4SLinus Torvalds extern struct list_head hci_dev_list; 2731da177e4SLinus Torvalds extern struct list_head hci_cb_list; 2741da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 2751da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 27870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 27970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 2821da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 2831da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 2841da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 2871da177e4SLinus Torvalds { 2881da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 2891da177e4SLinus Torvalds spin_lock_init(&c->lock); 2901da177e4SLinus Torvalds c->list = NULL; 2911da177e4SLinus Torvalds } 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 2941da177e4SLinus Torvalds { 2951da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 296a02cec21SEric Dumazet return c->list == NULL; 2971da177e4SLinus Torvalds } 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3001da177e4SLinus Torvalds { 3011da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3021da177e4SLinus Torvalds return jiffies - c->timestamp; 3031da177e4SLinus Torvalds } 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3061da177e4SLinus Torvalds { 3071da177e4SLinus Torvalds return jiffies - e->timestamp; 3081da177e4SLinus Torvalds } 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 3111da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3141da177e4SLinus Torvalds enum { 3151da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 3161da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 31704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 31804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 319e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 3201da177e4SLinus Torvalds }; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3231da177e4SLinus Torvalds { 3241da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3251da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3261da177e4SLinus Torvalds spin_lock_init(&h->lock); 3271da177e4SLinus Torvalds h->acl_num = 0; 3281da177e4SLinus Torvalds h->sco_num = 0; 3291da177e4SLinus Torvalds } 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3321da177e4SLinus Torvalds { 3331da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3341da177e4SLinus Torvalds list_add(&c->list, &h->list); 335fcd89c09SVille Tervo switch (c->type) { 336fcd89c09SVille Tervo case ACL_LINK: 3371da177e4SLinus Torvalds h->acl_num++; 338fcd89c09SVille Tervo break; 339fcd89c09SVille Tervo case LE_LINK: 340fcd89c09SVille Tervo h->le_num++; 341fcd89c09SVille Tervo break; 342fcd89c09SVille Tervo case SCO_LINK: 343fcd89c09SVille Tervo case ESCO_LINK: 3441da177e4SLinus Torvalds h->sco_num++; 345fcd89c09SVille Tervo break; 346fcd89c09SVille Tervo } 3471da177e4SLinus Torvalds } 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 3501da177e4SLinus Torvalds { 3511da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3521da177e4SLinus Torvalds list_del(&c->list); 353fcd89c09SVille Tervo switch (c->type) { 354fcd89c09SVille Tervo case ACL_LINK: 3551da177e4SLinus Torvalds h->acl_num--; 356fcd89c09SVille Tervo break; 357fcd89c09SVille Tervo case LE_LINK: 358fcd89c09SVille Tervo h->le_num--; 359fcd89c09SVille Tervo break; 360fcd89c09SVille Tervo case SCO_LINK: 361fcd89c09SVille Tervo case ESCO_LINK: 3621da177e4SLinus Torvalds h->sco_num--; 363fcd89c09SVille Tervo break; 364fcd89c09SVille Tervo } 3651da177e4SLinus Torvalds } 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 3681da177e4SLinus Torvalds __u16 handle) 3691da177e4SLinus Torvalds { 3701da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3711da177e4SLinus Torvalds struct list_head *p; 3721da177e4SLinus Torvalds struct hci_conn *c; 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds list_for_each(p, &h->list) { 3751da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 3761da177e4SLinus Torvalds if (c->handle == handle) 3771da177e4SLinus Torvalds return c; 3781da177e4SLinus Torvalds } 3791da177e4SLinus Torvalds return NULL; 3801da177e4SLinus Torvalds } 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 3831da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3861da177e4SLinus Torvalds struct list_head *p; 3871da177e4SLinus Torvalds struct hci_conn *c; 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds list_for_each(p, &h->list) { 3901da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 3911da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 3921da177e4SLinus Torvalds return c; 3931da177e4SLinus Torvalds } 3941da177e4SLinus Torvalds return NULL; 3951da177e4SLinus Torvalds } 3961da177e4SLinus Torvalds 3974c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 3984c67bc74SMarcel Holtmann __u8 type, __u16 state) 3994c67bc74SMarcel Holtmann { 4004c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4014c67bc74SMarcel Holtmann struct list_head *p; 4024c67bc74SMarcel Holtmann struct hci_conn *c; 4034c67bc74SMarcel Holtmann 4044c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4054c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4064c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4074c67bc74SMarcel Holtmann return c; 4084c67bc74SMarcel Holtmann } 4094c67bc74SMarcel Holtmann return NULL; 4104c67bc74SMarcel Holtmann } 4114c67bc74SMarcel Holtmann 4124c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 4131da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4141da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 415b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 416e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4171da177e4SLinus Torvalds 4181da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4191da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4201da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 421a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4221da177e4SLinus Torvalds 4238c1b2355SMarcel Holtmann struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); 424e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 4250684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 4261da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 4278c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 4281da177e4SLinus Torvalds 42904837f64SMarcel Holtmann void hci_conn_enter_active_mode(struct hci_conn *conn); 43004837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 4311da177e4SLinus Torvalds 4329eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 4339eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 4349eba32b8SMarcel Holtmann 4351da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 4361da177e4SLinus Torvalds { 4371da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 43804837f64SMarcel Holtmann del_timer(&conn->disc_timer); 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 4421da177e4SLinus Torvalds { 4431da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 44404837f64SMarcel Holtmann unsigned long timeo; 4451da177e4SLinus Torvalds if (conn->type == ACL_LINK) { 4466ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 4476ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 448052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 44904837f64SMarcel Holtmann if (!conn->out) 450052b30b0SMarcel Holtmann timeo *= 2; 4516ac59344SMarcel Holtmann } else 4526ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 4531da177e4SLinus Torvalds } else 45404837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 45504837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 4601da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 4611da177e4SLinus Torvalds { 4621da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 4631da177e4SLinus Torvalds d->destruct(d); 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 4671da177e4SLinus Torvalds { 4681da177e4SLinus Torvalds __hci_dev_put(d); 4691da177e4SLinus Torvalds module_put(d->owner); 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 4731da177e4SLinus Torvalds { 4741da177e4SLinus Torvalds atomic_inc(&d->refcnt); 4751da177e4SLinus Torvalds return d; 4761da177e4SLinus Torvalds } 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 4791da177e4SLinus Torvalds { 4801da177e4SLinus Torvalds if (try_module_get(d->owner)) 4811da177e4SLinus Torvalds return __hci_dev_hold(d); 4821da177e4SLinus Torvalds return NULL; 4831da177e4SLinus Torvalds } 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 4861da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 4871da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 4881da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 4911da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 4941da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 4951da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 4961da177e4SLinus Torvalds int hci_unregister_dev(struct hci_dev *hdev); 4971da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 4981da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 4991da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 5001da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 5011da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 5021da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 5031da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 5041da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 5051da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 5061da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 5071da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 50840be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 5091da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 5101da177e4SLinus Torvalds 511f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 512f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 513f0358568SJohan Hedberg 5142aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 5152aeb9a1aSJohan Hedberg 51655ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 51755ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 51855ed8ca1SJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 51955ed8ca1SJohan Hedberg u8 *key, u8 type, u8 pin_len); 52055ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 52155ed8ca1SJohan Hedberg 5222763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 5232763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 5242763eda6SSzymon Janc bdaddr_t *bdaddr); 5252763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 5262763eda6SSzymon Janc u8 *randomizer); 5272763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 5282763eda6SSzymon Janc 529ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 530ab81cbf9SJohan Hedberg 5311da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 5321da177e4SLinus Torvalds 53376bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 534ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 53599811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 536ef222013SMarcel Holtmann 5371da177e4SLinus Torvalds int hci_register_sysfs(struct hci_dev *hdev); 5381da177e4SLinus Torvalds void hci_unregister_sysfs(struct hci_dev *hdev); 539a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 540b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 541b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 5421da177e4SLinus Torvalds 543a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 54604837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 54704837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 54804837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 54904837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 5505b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 551769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 552e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 5536ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 5541da177e4SLinus Torvalds 5551da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 5561da177e4SLinus Torvalds struct hci_proto { 5571da177e4SLinus Torvalds char *name; 5581da177e4SLinus Torvalds unsigned int id; 5591da177e4SLinus Torvalds unsigned long flags; 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds void *priv; 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); 5641da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 5652950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 5662950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 5671da177e4SLinus Torvalds int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 5681da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 5698c1b2355SMarcel Holtmann int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 5701da177e4SLinus Torvalds }; 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) 5731da177e4SLinus Torvalds { 5741da177e4SLinus Torvalds register struct hci_proto *hp; 5751da177e4SLinus Torvalds int mask = 0; 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 5781da177e4SLinus Torvalds if (hp && hp->connect_ind) 5791da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 5821da177e4SLinus Torvalds if (hp && hp->connect_ind) 5831da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvalds return mask; 5861da177e4SLinus Torvalds } 5871da177e4SLinus Torvalds 5881da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 5891da177e4SLinus Torvalds { 5901da177e4SLinus Torvalds register struct hci_proto *hp; 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 5931da177e4SLinus Torvalds if (hp && hp->connect_cfm) 5941da177e4SLinus Torvalds hp->connect_cfm(conn, status); 5951da177e4SLinus Torvalds 5961da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 5971da177e4SLinus Torvalds if (hp && hp->connect_cfm) 5981da177e4SLinus Torvalds hp->connect_cfm(conn, status); 599e9a416b5SJohan Hedberg 600e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 601e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 6021da177e4SLinus Torvalds } 6031da177e4SLinus Torvalds 6042950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 6052950f21aSMarcel Holtmann { 6062950f21aSMarcel Holtmann register struct hci_proto *hp; 6072950f21aSMarcel Holtmann int reason = 0x13; 6082950f21aSMarcel Holtmann 6092950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 6102950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6112950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6122950f21aSMarcel Holtmann 6132950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 6142950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 6152950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 6162950f21aSMarcel Holtmann 6172950f21aSMarcel Holtmann return reason; 6182950f21aSMarcel Holtmann } 6192950f21aSMarcel Holtmann 6202950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 6211da177e4SLinus Torvalds { 6221da177e4SLinus Torvalds register struct hci_proto *hp; 6231da177e4SLinus Torvalds 6241da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6252950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6262950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6292950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6302950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 631e9a416b5SJohan Hedberg 632e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 633e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 6341da177e4SLinus Torvalds } 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 6371da177e4SLinus Torvalds { 6381da177e4SLinus Torvalds register struct hci_proto *hp; 6398c1b2355SMarcel Holtmann __u8 encrypt; 6408c1b2355SMarcel Holtmann 6418c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 6428c1b2355SMarcel Holtmann return; 6438c1b2355SMarcel Holtmann 6448c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 6451da177e4SLinus Torvalds 6461da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6478c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6488c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6491da177e4SLinus Torvalds 6501da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6518c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6528c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 653e9a416b5SJohan Hedberg 654e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 655e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6561da177e4SLinus Torvalds } 6571da177e4SLinus Torvalds 6589719f8afSMarcel Holtmann static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 6591da177e4SLinus Torvalds { 6601da177e4SLinus Torvalds register struct hci_proto *hp; 6611da177e4SLinus Torvalds 6621da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6638c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6648c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6678c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6688c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 669e9a416b5SJohan Hedberg 670e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 671e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6721da177e4SLinus Torvalds } 6731da177e4SLinus Torvalds 6741da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 6751da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 6781da177e4SLinus Torvalds struct hci_cb { 6791da177e4SLinus Torvalds struct list_head list; 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvalds char *name; 6821da177e4SLinus Torvalds 6838c1b2355SMarcel Holtmann void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 6841da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 6851da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 6861da177e4SLinus Torvalds }; 6871da177e4SLinus Torvalds 6881da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 6891da177e4SLinus Torvalds { 6901da177e4SLinus Torvalds struct list_head *p; 6918c1b2355SMarcel Holtmann __u8 encrypt; 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 6941da177e4SLinus Torvalds 6958c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 6968c1b2355SMarcel Holtmann return; 6978c1b2355SMarcel Holtmann 6988c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 6998c1b2355SMarcel Holtmann 7001da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7011da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7021da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7038c1b2355SMarcel Holtmann if (cb->security_cfm) 7048c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7071da177e4SLinus Torvalds } 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 7101da177e4SLinus Torvalds { 7111da177e4SLinus Torvalds struct list_head *p; 7121da177e4SLinus Torvalds 713435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 714435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 715435fef20SMarcel Holtmann 7169719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 7171da177e4SLinus Torvalds 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_key_change_cfm(struct hci_conn *conn, __u8 status) 7281da177e4SLinus Torvalds { 7291da177e4SLinus Torvalds struct list_head *p; 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7321da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7331da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7341da177e4SLinus Torvalds if (cb->key_change_cfm) 7351da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 7361da177e4SLinus Torvalds } 7371da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7381da177e4SLinus Torvalds } 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvalds static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) 7411da177e4SLinus Torvalds { 7421da177e4SLinus Torvalds struct list_head *p; 7431da177e4SLinus Torvalds 7441da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7451da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7461da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7471da177e4SLinus Torvalds if (cb->role_switch_cfm) 7481da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 7491da177e4SLinus Torvalds } 7501da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7511da177e4SLinus Torvalds } 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 7541da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 7571da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 7581da177e4SLinus Torvalds 759a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 7609a9c6a34SGustavo F. Padovan void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 7610d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 7621da177e4SLinus Torvalds 763a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 7641da177e4SLinus Torvalds 7651da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 768eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 769eec8d2bcSJohan Hedberg struct sock *skip_sk); 7701da177e4SLinus Torvalds 7710381101fSJohan Hedberg /* Management interface */ 7720381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 773c71e97bfSJohan Hedberg int mgmt_index_added(u16 index); 774c71e97bfSJohan Hedberg int mgmt_index_removed(u16 index); 7755add6af8SJohan Hedberg int mgmt_powered(u16 index, u8 powered); 77673f22f62SJohan Hedberg int mgmt_discoverable(u16 index, u8 discoverable); 7779fbcbb45SJohan Hedberg int mgmt_connectable(u16 index, u8 connectable); 77855ed8ca1SJohan Hedberg int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type); 779f7520543SJohan Hedberg int mgmt_connected(u16 index, bdaddr_t *bdaddr); 780f7520543SJohan Hedberg int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); 7818962ee74SJohan Hedberg int mgmt_disconnect_failed(u16 index); 78217d5c04cSJohan Hedberg int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); 783a770bb5aSWaldemar Rymarkiewicz int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); 784980e1a53SJohan Hedberg int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 785980e1a53SJohan Hedberg int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 786a5c29683SJohan Hedberg int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value); 787a5c29683SJohan Hedberg int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 788a5c29683SJohan Hedberg int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, 789a5c29683SJohan Hedberg u8 status); 7902a611692SJohan Hedberg int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); 791b312b161SJohan Hedberg int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); 792c35938b2SSzymon Janc int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, 793c35938b2SSzymon Janc u8 status); 794e17acd40SJohan Hedberg int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, 795e17acd40SJohan Hedberg u8 *eir); 796a88a9652SJohan Hedberg int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); 797314b2381SJohan Hedberg int mgmt_discovering(u16 index, u8 discovering); 7980381101fSJohan Hedberg 7991da177e4SLinus Torvalds /* HCI info for socket */ 8001da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 8011da177e4SLinus Torvalds 8021da177e4SLinus Torvalds struct hci_pinfo { 8031da177e4SLinus Torvalds struct bt_sock bt; 8041da177e4SLinus Torvalds struct hci_dev *hdev; 8051da177e4SLinus Torvalds struct hci_filter filter; 8061da177e4SLinus Torvalds __u32 cmsg_mask; 807c02178d2SJohan Hedberg unsigned short channel; 8081da177e4SLinus Torvalds }; 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds /* HCI security filter */ 8111da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvalds struct hci_sec_filter { 8141da177e4SLinus Torvalds __u32 type_mask; 8151da177e4SLinus Torvalds __u32 event_mask[2]; 8161da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 8171da177e4SLinus Torvalds }; 8181da177e4SLinus Torvalds 8191da177e4SLinus Torvalds /* ----- HCI requests ----- */ 8201da177e4SLinus Torvalds #define HCI_REQ_DONE 0 8211da177e4SLinus Torvalds #define HCI_REQ_PEND 1 8221da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 8231da177e4SLinus Torvalds 824a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 825a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 8261da177e4SLinus Torvalds 82723bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 8281da177e4SLinus Torvalds 8292ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 8302ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 8311da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 832