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 85cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 861da177e4SLinus Torvalds struct hci_dev { 871da177e4SLinus Torvalds struct list_head list; 881da177e4SLinus Torvalds spinlock_t lock; 891da177e4SLinus Torvalds atomic_t refcnt; 901da177e4SLinus Torvalds 911da177e4SLinus Torvalds char name[8]; 921da177e4SLinus Torvalds unsigned long flags; 931da177e4SLinus Torvalds __u16 id; 94c13854ceSMarcel Holtmann __u8 bus; 95943da25dSMarcel Holtmann __u8 dev_type; 961da177e4SLinus Torvalds bdaddr_t bdaddr; 971f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 98a9de9248SMarcel Holtmann __u8 dev_class[3]; 991aff6f09SJohan Hedberg __u8 major_class; 1001aff6f09SJohan Hedberg __u8 minor_class; 1011da177e4SLinus Torvalds __u8 features[8]; 102a9de9248SMarcel Holtmann __u8 commands[64]; 103333140b5SMarcel Holtmann __u8 ssp_mode; 1041143e5a6SMarcel Holtmann __u8 hci_ver; 1051143e5a6SMarcel Holtmann __u16 hci_rev; 106d5859e22SJohan Hedberg __u8 lmp_ver; 1071143e5a6SMarcel Holtmann __u16 manufacturer; 108d5859e22SJohan Hedberg __le16 lmp_subver; 1091da177e4SLinus Torvalds __u16 voice_setting; 11017fa4b9dSJohan Hedberg __u8 io_capability; 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds __u16 pkt_type; 1135b7f9909SMarcel Holtmann __u16 esco_type; 1141da177e4SLinus Torvalds __u16 link_policy; 1151da177e4SLinus Torvalds __u16 link_mode; 1161da177e4SLinus Torvalds 11704837f64SMarcel Holtmann __u32 idle_timeout; 11804837f64SMarcel Holtmann __u16 sniff_min_interval; 11904837f64SMarcel Holtmann __u16 sniff_max_interval; 12004837f64SMarcel Holtmann 1211da177e4SLinus Torvalds unsigned long quirks; 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds atomic_t cmd_cnt; 1241da177e4SLinus Torvalds unsigned int acl_cnt; 1251da177e4SLinus Torvalds unsigned int sco_cnt; 1266ed58ec5SVille Tervo unsigned int le_cnt; 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvalds unsigned int acl_mtu; 1291da177e4SLinus Torvalds unsigned int sco_mtu; 1306ed58ec5SVille Tervo unsigned int le_mtu; 1311da177e4SLinus Torvalds unsigned int acl_pkts; 1321da177e4SLinus Torvalds unsigned int sco_pkts; 1336ed58ec5SVille Tervo unsigned int le_pkts; 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds unsigned long acl_last_tx; 1361da177e4SLinus Torvalds unsigned long sco_last_tx; 1376ed58ec5SVille Tervo unsigned long le_last_tx; 1381da177e4SLinus Torvalds 139f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 140f48fd9c8SMarcel Holtmann 141ab81cbf9SJohan Hedberg struct work_struct power_on; 142ab81cbf9SJohan Hedberg struct work_struct power_off; 143ab81cbf9SJohan Hedberg struct timer_list off_timer; 144ab81cbf9SJohan Hedberg 1456bd32326SVille Tervo struct timer_list cmd_timer; 1461da177e4SLinus Torvalds struct tasklet_struct cmd_task; 1471da177e4SLinus Torvalds struct tasklet_struct rx_task; 1481da177e4SLinus Torvalds struct tasklet_struct tx_task; 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds struct sk_buff_head rx_q; 1511da177e4SLinus Torvalds struct sk_buff_head raw_q; 1521da177e4SLinus Torvalds struct sk_buff_head cmd_q; 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds struct sk_buff *sent_cmd; 155cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 1561da177e4SLinus Torvalds 157a6a67efdSThomas Gleixner struct mutex req_lock; 1581da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 1591da177e4SLinus Torvalds __u32 req_status; 1601da177e4SLinus Torvalds __u32 req_result; 161a5040efaSJohan Hedberg 162a5040efaSJohan Hedberg __u16 init_last_cmd; 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds struct inquiry_cache inq_cache; 1651da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 166ea4bd8baSDavid Miller struct list_head blacklist; 1671da177e4SLinus Torvalds 1682aeb9a1aSJohan Hedberg struct list_head uuids; 1692aeb9a1aSJohan Hedberg 17055ed8ca1SJohan Hedberg struct list_head link_keys; 17155ed8ca1SJohan Hedberg 1721da177e4SLinus Torvalds struct hci_dev_stats stat; 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds struct sk_buff_head driver_init; 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds void *driver_data; 1771da177e4SLinus Torvalds void *core_data; 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds atomic_t promisc; 1801da177e4SLinus Torvalds 181ca325f69SMarcel Holtmann struct dentry *debugfs; 182ca325f69SMarcel Holtmann 183a91f2e39SMarcel Holtmann struct device *parent; 184a91f2e39SMarcel Holtmann struct device dev; 1851da177e4SLinus Torvalds 186611b30f7SMarcel Holtmann struct rfkill *rfkill; 187611b30f7SMarcel Holtmann 1881da177e4SLinus Torvalds struct module *owner; 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 1911da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 1921da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 1931da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 1941da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 1951da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 1961da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 1971da177e4SLinus Torvalds }; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds struct hci_conn { 2001da177e4SLinus Torvalds struct list_head list; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds atomic_t refcnt; 2031da177e4SLinus Torvalds spinlock_t lock; 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds bdaddr_t dst; 2061da177e4SLinus Torvalds __u16 handle; 2071da177e4SLinus Torvalds __u16 state; 20804837f64SMarcel Holtmann __u8 mode; 2091da177e4SLinus Torvalds __u8 type; 2101da177e4SLinus Torvalds __u8 out; 2114c67bc74SMarcel Holtmann __u8 attempt; 2121da177e4SLinus Torvalds __u8 dev_class[3]; 21304837f64SMarcel Holtmann __u8 features[8]; 21441a96212SMarcel Holtmann __u8 ssp_mode; 21504837f64SMarcel Holtmann __u16 interval; 216a8746417SMarcel Holtmann __u16 pkt_type; 21704837f64SMarcel Holtmann __u16 link_policy; 2181da177e4SLinus Torvalds __u32 link_mode; 21940be492fSMarcel Holtmann __u8 auth_type; 2208c1b2355SMarcel Holtmann __u8 sec_level; 221765c2a96SJohan Hedberg __u8 pending_sec_level; 222980e1a53SJohan Hedberg __u8 pin_length; 22317fa4b9dSJohan Hedberg __u8 io_capability; 22404837f64SMarcel Holtmann __u8 power_save; 225052b30b0SMarcel Holtmann __u16 disc_timeout; 2261da177e4SLinus Torvalds unsigned long pend; 2271da177e4SLinus Torvalds 22803b555e1SJohan Hedberg __u8 remote_cap; 22903b555e1SJohan Hedberg __u8 remote_oob; 23003b555e1SJohan Hedberg __u8 remote_auth; 23103b555e1SJohan Hedberg 2321da177e4SLinus Torvalds unsigned int sent; 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds struct sk_buff_head data_q; 2351da177e4SLinus Torvalds 23604837f64SMarcel Holtmann struct timer_list disc_timer; 23704837f64SMarcel Holtmann struct timer_list idle_timer; 2381da177e4SLinus Torvalds 239f3784d83SRoger Quadros struct work_struct work_add; 240f3784d83SRoger Quadros struct work_struct work_del; 241b219e3acSMarcel Holtmann 242b219e3acSMarcel Holtmann struct device dev; 2439eba32b8SMarcel Holtmann atomic_t devref; 244b219e3acSMarcel Holtmann 2451da177e4SLinus Torvalds struct hci_dev *hdev; 2461da177e4SLinus Torvalds void *l2cap_data; 2471da177e4SLinus Torvalds void *sco_data; 2481da177e4SLinus Torvalds void *priv; 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds struct hci_conn *link; 251e9a416b5SJohan Hedberg 252e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 253e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 254e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 2551da177e4SLinus Torvalds }; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 2581da177e4SLinus Torvalds extern struct list_head hci_dev_list; 2591da177e4SLinus Torvalds extern struct list_head hci_cb_list; 2601da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 2611da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 2621da177e4SLinus Torvalds 2631da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 26470f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 26570f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 2681da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 2691da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 2701da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 2731da177e4SLinus Torvalds { 2741da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 2751da177e4SLinus Torvalds spin_lock_init(&c->lock); 2761da177e4SLinus Torvalds c->list = NULL; 2771da177e4SLinus Torvalds } 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 2801da177e4SLinus Torvalds { 2811da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 282a02cec21SEric Dumazet return c->list == NULL; 2831da177e4SLinus Torvalds } 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 2861da177e4SLinus Torvalds { 2871da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 2881da177e4SLinus Torvalds return jiffies - c->timestamp; 2891da177e4SLinus Torvalds } 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 2921da177e4SLinus Torvalds { 2931da177e4SLinus Torvalds return jiffies - e->timestamp; 2941da177e4SLinus Torvalds } 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 2971da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3001da177e4SLinus Torvalds enum { 3011da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 3021da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 30304837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 30404837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 305e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 3061da177e4SLinus Torvalds }; 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3091da177e4SLinus Torvalds { 3101da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3111da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3121da177e4SLinus Torvalds spin_lock_init(&h->lock); 3131da177e4SLinus Torvalds h->acl_num = 0; 3141da177e4SLinus Torvalds h->sco_num = 0; 3151da177e4SLinus Torvalds } 3161da177e4SLinus Torvalds 3171da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3181da177e4SLinus Torvalds { 3191da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3201da177e4SLinus Torvalds list_add(&c->list, &h->list); 321fcd89c09SVille Tervo switch (c->type) { 322fcd89c09SVille Tervo case ACL_LINK: 3231da177e4SLinus Torvalds h->acl_num++; 324fcd89c09SVille Tervo break; 325fcd89c09SVille Tervo case LE_LINK: 326fcd89c09SVille Tervo h->le_num++; 327fcd89c09SVille Tervo break; 328fcd89c09SVille Tervo case SCO_LINK: 329fcd89c09SVille Tervo case ESCO_LINK: 3301da177e4SLinus Torvalds h->sco_num++; 331fcd89c09SVille Tervo break; 332fcd89c09SVille Tervo } 3331da177e4SLinus Torvalds } 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 3361da177e4SLinus Torvalds { 3371da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3381da177e4SLinus Torvalds list_del(&c->list); 339fcd89c09SVille Tervo switch (c->type) { 340fcd89c09SVille Tervo case ACL_LINK: 3411da177e4SLinus Torvalds h->acl_num--; 342fcd89c09SVille Tervo break; 343fcd89c09SVille Tervo case LE_LINK: 344fcd89c09SVille Tervo h->le_num--; 345fcd89c09SVille Tervo break; 346fcd89c09SVille Tervo case SCO_LINK: 347fcd89c09SVille Tervo case ESCO_LINK: 3481da177e4SLinus Torvalds h->sco_num--; 349fcd89c09SVille Tervo break; 350fcd89c09SVille Tervo } 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 3541da177e4SLinus Torvalds __u16 handle) 3551da177e4SLinus Torvalds { 3561da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3571da177e4SLinus Torvalds struct list_head *p; 3581da177e4SLinus Torvalds struct hci_conn *c; 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds list_for_each(p, &h->list) { 3611da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 3621da177e4SLinus Torvalds if (c->handle == handle) 3631da177e4SLinus Torvalds return c; 3641da177e4SLinus Torvalds } 3651da177e4SLinus Torvalds return NULL; 3661da177e4SLinus Torvalds } 3671da177e4SLinus Torvalds 3681da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 3691da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 3701da177e4SLinus Torvalds { 3711da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3721da177e4SLinus Torvalds struct list_head *p; 3731da177e4SLinus Torvalds struct hci_conn *c; 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds list_for_each(p, &h->list) { 3761da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 3771da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 3781da177e4SLinus Torvalds return c; 3791da177e4SLinus Torvalds } 3801da177e4SLinus Torvalds return NULL; 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds 3834c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 3844c67bc74SMarcel Holtmann __u8 type, __u16 state) 3854c67bc74SMarcel Holtmann { 3864c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 3874c67bc74SMarcel Holtmann struct list_head *p; 3884c67bc74SMarcel Holtmann struct hci_conn *c; 3894c67bc74SMarcel Holtmann 3904c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 3914c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 3924c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 3934c67bc74SMarcel Holtmann return c; 3944c67bc74SMarcel Holtmann } 3954c67bc74SMarcel Holtmann return NULL; 3964c67bc74SMarcel Holtmann } 3974c67bc74SMarcel Holtmann 3984c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 3991da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4001da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 401b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 402e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4051da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4061da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 407a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4081da177e4SLinus Torvalds 4098c1b2355SMarcel Holtmann struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); 410e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 4110684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 4121da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 4138c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 4141da177e4SLinus Torvalds 41504837f64SMarcel Holtmann void hci_conn_enter_active_mode(struct hci_conn *conn); 41604837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 4171da177e4SLinus Torvalds 4189eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 4199eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 4209eba32b8SMarcel Holtmann 4211da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 42404837f64SMarcel Holtmann del_timer(&conn->disc_timer); 4251da177e4SLinus Torvalds } 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 4281da177e4SLinus Torvalds { 4291da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 43004837f64SMarcel Holtmann unsigned long timeo; 4311da177e4SLinus Torvalds if (conn->type == ACL_LINK) { 4326ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 4336ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 434052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 43504837f64SMarcel Holtmann if (!conn->out) 436052b30b0SMarcel Holtmann timeo *= 2; 4376ac59344SMarcel Holtmann } else 4386ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 4391da177e4SLinus Torvalds } else 44004837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 44104837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds } 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 4461da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 4471da177e4SLinus Torvalds { 4481da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 4491da177e4SLinus Torvalds d->destruct(d); 4501da177e4SLinus Torvalds } 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 4531da177e4SLinus Torvalds { 4541da177e4SLinus Torvalds __hci_dev_put(d); 4551da177e4SLinus Torvalds module_put(d->owner); 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 4591da177e4SLinus Torvalds { 4601da177e4SLinus Torvalds atomic_inc(&d->refcnt); 4611da177e4SLinus Torvalds return d; 4621da177e4SLinus Torvalds } 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds if (try_module_get(d->owner)) 4671da177e4SLinus Torvalds return __hci_dev_hold(d); 4681da177e4SLinus Torvalds return NULL; 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 4721da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 4731da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 4741da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 4771da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 4801da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 4811da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 4821da177e4SLinus Torvalds int hci_unregister_dev(struct hci_dev *hdev); 4831da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 4841da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 4851da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 4861da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 4871da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 4881da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 4891da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 4901da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 4911da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 4921da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 4931da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 49440be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 4951da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 4961da177e4SLinus Torvalds 497f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 498f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 499f0358568SJohan Hedberg 5002aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 5012aeb9a1aSJohan Hedberg 50255ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 50355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 50455ed8ca1SJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 50555ed8ca1SJohan Hedberg u8 *key, u8 type, u8 pin_len); 50655ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 50755ed8ca1SJohan Hedberg 508ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 509ab81cbf9SJohan Hedberg 5101da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 5111da177e4SLinus Torvalds 51276bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 513ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 51499811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 515ef222013SMarcel Holtmann 5161da177e4SLinus Torvalds int hci_register_sysfs(struct hci_dev *hdev); 5171da177e4SLinus Torvalds void hci_unregister_sysfs(struct hci_dev *hdev); 518a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 519b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 520b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 5211da177e4SLinus Torvalds 522a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 52504837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 52604837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 52704837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 52804837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 5295b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 530769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 531e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 5326ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 5351da177e4SLinus Torvalds struct hci_proto { 5361da177e4SLinus Torvalds char *name; 5371da177e4SLinus Torvalds unsigned int id; 5381da177e4SLinus Torvalds unsigned long flags; 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvalds void *priv; 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); 5431da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 5442950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 5452950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 5461da177e4SLinus Torvalds int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 5471da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 5488c1b2355SMarcel Holtmann int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 5491da177e4SLinus Torvalds }; 5501da177e4SLinus Torvalds 5511da177e4SLinus Torvalds static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) 5521da177e4SLinus Torvalds { 5531da177e4SLinus Torvalds register struct hci_proto *hp; 5541da177e4SLinus Torvalds int mask = 0; 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 5571da177e4SLinus Torvalds if (hp && hp->connect_ind) 5581da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 5591da177e4SLinus Torvalds 5601da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 5611da177e4SLinus Torvalds if (hp && hp->connect_ind) 5621da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds return mask; 5651da177e4SLinus Torvalds } 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 5681da177e4SLinus Torvalds { 5691da177e4SLinus Torvalds register struct hci_proto *hp; 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 5721da177e4SLinus Torvalds if (hp && hp->connect_cfm) 5731da177e4SLinus Torvalds hp->connect_cfm(conn, status); 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 5761da177e4SLinus Torvalds if (hp && hp->connect_cfm) 5771da177e4SLinus Torvalds hp->connect_cfm(conn, status); 578e9a416b5SJohan Hedberg 579e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 580e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 5832950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 5842950f21aSMarcel Holtmann { 5852950f21aSMarcel Holtmann register struct hci_proto *hp; 5862950f21aSMarcel Holtmann int reason = 0x13; 5872950f21aSMarcel Holtmann 5882950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 5892950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 5902950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 5912950f21aSMarcel Holtmann 5922950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 5932950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 5942950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 5952950f21aSMarcel Holtmann 5962950f21aSMarcel Holtmann return reason; 5972950f21aSMarcel Holtmann } 5982950f21aSMarcel Holtmann 5992950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 6001da177e4SLinus Torvalds { 6011da177e4SLinus Torvalds register struct hci_proto *hp; 6021da177e4SLinus Torvalds 6031da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6042950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6052950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6082950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 6092950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 610e9a416b5SJohan Hedberg 611e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 612e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 6131da177e4SLinus Torvalds } 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 6161da177e4SLinus Torvalds { 6171da177e4SLinus Torvalds register struct hci_proto *hp; 6188c1b2355SMarcel Holtmann __u8 encrypt; 6198c1b2355SMarcel Holtmann 6208c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 6218c1b2355SMarcel Holtmann return; 6228c1b2355SMarcel Holtmann 6238c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 6241da177e4SLinus Torvalds 6251da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6268c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6278c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6308c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6318c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 632e9a416b5SJohan Hedberg 633e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 634e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6351da177e4SLinus Torvalds } 6361da177e4SLinus Torvalds 6379719f8afSMarcel Holtmann static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 6381da177e4SLinus Torvalds { 6391da177e4SLinus Torvalds register struct hci_proto *hp; 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6428c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6438c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6468c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 6478c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 648e9a416b5SJohan Hedberg 649e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 650e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 6511da177e4SLinus Torvalds } 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 6541da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 6571da177e4SLinus Torvalds struct hci_cb { 6581da177e4SLinus Torvalds struct list_head list; 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvalds char *name; 6611da177e4SLinus Torvalds 6628c1b2355SMarcel Holtmann void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 6631da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 6641da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 6651da177e4SLinus Torvalds }; 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 6681da177e4SLinus Torvalds { 6691da177e4SLinus Torvalds struct list_head *p; 6708c1b2355SMarcel Holtmann __u8 encrypt; 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 6731da177e4SLinus Torvalds 6748c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 6758c1b2355SMarcel Holtmann return; 6768c1b2355SMarcel Holtmann 6778c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 6788c1b2355SMarcel Holtmann 6791da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 6801da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 6811da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 6828c1b2355SMarcel Holtmann if (cb->security_cfm) 6838c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 6841da177e4SLinus Torvalds } 6851da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 6861da177e4SLinus Torvalds } 6871da177e4SLinus Torvalds 6881da177e4SLinus Torvalds static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 6891da177e4SLinus Torvalds { 6901da177e4SLinus Torvalds struct list_head *p; 6911da177e4SLinus Torvalds 692435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 693435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 694435fef20SMarcel Holtmann 6959719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 6981da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 6991da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7008c1b2355SMarcel Holtmann if (cb->security_cfm) 7018c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7041da177e4SLinus Torvalds } 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 7071da177e4SLinus Torvalds { 7081da177e4SLinus Torvalds struct list_head *p; 7091da177e4SLinus Torvalds 7101da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7111da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7121da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7131da177e4SLinus Torvalds if (cb->key_change_cfm) 7141da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 7151da177e4SLinus Torvalds } 7161da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7171da177e4SLinus Torvalds } 7181da177e4SLinus Torvalds 7191da177e4SLinus Torvalds static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) 7201da177e4SLinus Torvalds { 7211da177e4SLinus Torvalds struct list_head *p; 7221da177e4SLinus Torvalds 7231da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 7241da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 7251da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 7261da177e4SLinus Torvalds if (cb->role_switch_cfm) 7271da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 7281da177e4SLinus Torvalds } 7291da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 7301da177e4SLinus Torvalds } 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 7331da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 7361da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 7371da177e4SLinus Torvalds 738a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 7399a9c6a34SGustavo F. Padovan void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 7400d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 7411da177e4SLinus Torvalds 742a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 7431da177e4SLinus Torvalds 7441da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 747eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 748eec8d2bcSJohan Hedberg struct sock *skip_sk); 7491da177e4SLinus Torvalds 7500381101fSJohan Hedberg /* Management interface */ 7510381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 752c71e97bfSJohan Hedberg int mgmt_index_added(u16 index); 753c71e97bfSJohan Hedberg int mgmt_index_removed(u16 index); 7545add6af8SJohan Hedberg int mgmt_powered(u16 index, u8 powered); 75573f22f62SJohan Hedberg int mgmt_discoverable(u16 index, u8 discoverable); 7569fbcbb45SJohan Hedberg int mgmt_connectable(u16 index, u8 connectable); 75755ed8ca1SJohan Hedberg int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type); 758f7520543SJohan Hedberg int mgmt_connected(u16 index, bdaddr_t *bdaddr); 759f7520543SJohan Hedberg int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); 7608962ee74SJohan Hedberg int mgmt_disconnect_failed(u16 index); 76117d5c04cSJohan Hedberg int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); 762980e1a53SJohan Hedberg int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr); 763980e1a53SJohan Hedberg int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 764980e1a53SJohan Hedberg int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 765a5c29683SJohan Hedberg int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value); 766a5c29683SJohan Hedberg int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); 767a5c29683SJohan Hedberg int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, 768a5c29683SJohan Hedberg u8 status); 7692a611692SJohan Hedberg int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); 770b312b161SJohan Hedberg int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); 771c35938b2SSzymon Janc int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, 772c35938b2SSzymon Janc u8 status); 7730381101fSJohan Hedberg 7741da177e4SLinus Torvalds /* HCI info for socket */ 7751da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 7761da177e4SLinus Torvalds 7771da177e4SLinus Torvalds struct hci_pinfo { 7781da177e4SLinus Torvalds struct bt_sock bt; 7791da177e4SLinus Torvalds struct hci_dev *hdev; 7801da177e4SLinus Torvalds struct hci_filter filter; 7811da177e4SLinus Torvalds __u32 cmsg_mask; 782c02178d2SJohan Hedberg unsigned short channel; 7831da177e4SLinus Torvalds }; 7841da177e4SLinus Torvalds 7851da177e4SLinus Torvalds /* HCI security filter */ 7861da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvalds struct hci_sec_filter { 7891da177e4SLinus Torvalds __u32 type_mask; 7901da177e4SLinus Torvalds __u32 event_mask[2]; 7911da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 7921da177e4SLinus Torvalds }; 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvalds /* ----- HCI requests ----- */ 7951da177e4SLinus Torvalds #define HCI_REQ_DONE 0 7961da177e4SLinus Torvalds #define HCI_REQ_PEND 1 7971da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 7981da177e4SLinus Torvalds 799a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 800a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 8011da177e4SLinus Torvalds 80223bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 8031da177e4SLinus Torvalds 8042ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 8052ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 8061da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 807