11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 28a6b7a407SAlexey Dobriyan #include <linux/interrupt.h> 291da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds /* HCI upper protocols */ 321da177e4SLinus Torvalds #define HCI_PROTO_L2CAP 0 331da177e4SLinus Torvalds #define HCI_PROTO_SCO 1 341da177e4SLinus Torvalds 355e59b791SLuiz Augusto von Dentz /* HCI priority */ 365e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 375e59b791SLuiz Augusto von Dentz 381da177e4SLinus Torvalds /* HCI Core structures */ 391da177e4SLinus Torvalds struct inquiry_data { 401da177e4SLinus Torvalds bdaddr_t bdaddr; 411da177e4SLinus Torvalds __u8 pscan_rep_mode; 421da177e4SLinus Torvalds __u8 pscan_period_mode; 431da177e4SLinus Torvalds __u8 pscan_mode; 441da177e4SLinus Torvalds __u8 dev_class[3]; 451ebb9252SMarcel Holtmann __le16 clock_offset; 461da177e4SLinus Torvalds __s8 rssi; 4741a96212SMarcel Holtmann __u8 ssp_mode; 481da177e4SLinus Torvalds }; 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds struct inquiry_entry { 511da177e4SLinus Torvalds struct inquiry_entry *next; 521da177e4SLinus Torvalds __u32 timestamp; 531da177e4SLinus Torvalds struct inquiry_data data; 541da177e4SLinus Torvalds }; 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds struct inquiry_cache { 571da177e4SLinus Torvalds spinlock_t lock; 581da177e4SLinus Torvalds __u32 timestamp; 591da177e4SLinus Torvalds struct inquiry_entry *list; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds struct hci_conn_hash { 631da177e4SLinus Torvalds struct list_head list; 641da177e4SLinus Torvalds spinlock_t lock; 651da177e4SLinus Torvalds unsigned int acl_num; 661da177e4SLinus Torvalds unsigned int sco_num; 67fcd89c09SVille Tervo unsigned int le_num; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 7073d80debSLuiz Augusto von Dentz struct hci_chan_hash { 7173d80debSLuiz Augusto von Dentz struct list_head list; 7273d80debSLuiz Augusto von Dentz spinlock_t lock; 7373d80debSLuiz Augusto von Dentz unsigned int num; 7473d80debSLuiz Augusto von Dentz }; 7573d80debSLuiz Augusto von Dentz 76f0358568SJohan Hedberg struct bdaddr_list { 77f0358568SJohan Hedberg struct list_head list; 78f0358568SJohan Hedberg bdaddr_t bdaddr; 79f0358568SJohan Hedberg }; 802aeb9a1aSJohan Hedberg 812aeb9a1aSJohan Hedberg struct bt_uuid { 822aeb9a1aSJohan Hedberg struct list_head list; 832aeb9a1aSJohan Hedberg u8 uuid[16]; 841aff6f09SJohan Hedberg u8 svc_hint; 852aeb9a1aSJohan Hedberg }; 862aeb9a1aSJohan Hedberg 8734918cd7SVinicius Costa Gomes struct key_master_id { 8834918cd7SVinicius Costa Gomes __le16 ediv; 8934918cd7SVinicius Costa Gomes u8 rand[8]; 9034918cd7SVinicius Costa Gomes } __packed; 9134918cd7SVinicius Costa Gomes 9234918cd7SVinicius Costa Gomes struct link_key_data { 9334918cd7SVinicius Costa Gomes bdaddr_t bdaddr; 9434918cd7SVinicius Costa Gomes u8 type; 9534918cd7SVinicius Costa Gomes u8 val[16]; 9634918cd7SVinicius Costa Gomes u8 pin_len; 9734918cd7SVinicius Costa Gomes u8 dlen; 9834918cd7SVinicius Costa Gomes u8 data[0]; 9934918cd7SVinicius Costa Gomes } __packed; 10034918cd7SVinicius Costa Gomes 10155ed8ca1SJohan Hedberg struct link_key { 10255ed8ca1SJohan Hedberg struct list_head list; 10355ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10455ed8ca1SJohan Hedberg u8 type; 10555ed8ca1SJohan Hedberg u8 val[16]; 10655ed8ca1SJohan Hedberg u8 pin_len; 10734918cd7SVinicius Costa Gomes u8 dlen; 10834918cd7SVinicius Costa Gomes u8 data[0]; 10955ed8ca1SJohan Hedberg }; 11055ed8ca1SJohan Hedberg 1112763eda6SSzymon Janc struct oob_data { 1122763eda6SSzymon Janc struct list_head list; 1132763eda6SSzymon Janc bdaddr_t bdaddr; 1142763eda6SSzymon Janc u8 hash[16]; 1152763eda6SSzymon Janc u8 randomizer[16]; 1162763eda6SSzymon Janc }; 1172763eda6SSzymon Janc 11876c8686fSAndre Guedes struct adv_entry { 11976c8686fSAndre Guedes struct list_head list; 12076c8686fSAndre Guedes bdaddr_t bdaddr; 12176c8686fSAndre Guedes u8 bdaddr_type; 12276c8686fSAndre Guedes }; 12376c8686fSAndre Guedes 124cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1251da177e4SLinus Torvalds struct hci_dev { 1261da177e4SLinus Torvalds struct list_head list; 1271da177e4SLinus Torvalds spinlock_t lock; 1281da177e4SLinus Torvalds atomic_t refcnt; 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds char name[8]; 1311da177e4SLinus Torvalds unsigned long flags; 1321da177e4SLinus Torvalds __u16 id; 133c13854ceSMarcel Holtmann __u8 bus; 134943da25dSMarcel Holtmann __u8 dev_type; 1351da177e4SLinus Torvalds bdaddr_t bdaddr; 1361f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 13780a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 138a9de9248SMarcel Holtmann __u8 dev_class[3]; 1391aff6f09SJohan Hedberg __u8 major_class; 1401aff6f09SJohan Hedberg __u8 minor_class; 1411da177e4SLinus Torvalds __u8 features[8]; 142971e3a4bSAndre Guedes __u8 extfeatures[8]; 143a9de9248SMarcel Holtmann __u8 commands[64]; 144333140b5SMarcel Holtmann __u8 ssp_mode; 1451143e5a6SMarcel Holtmann __u8 hci_ver; 1461143e5a6SMarcel Holtmann __u16 hci_rev; 147d5859e22SJohan Hedberg __u8 lmp_ver; 1481143e5a6SMarcel Holtmann __u16 manufacturer; 149d5859e22SJohan Hedberg __le16 lmp_subver; 1501da177e4SLinus Torvalds __u16 voice_setting; 15117fa4b9dSJohan Hedberg __u8 io_capability; 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds __u16 pkt_type; 1545b7f9909SMarcel Holtmann __u16 esco_type; 1551da177e4SLinus Torvalds __u16 link_policy; 1561da177e4SLinus Torvalds __u16 link_mode; 1571da177e4SLinus Torvalds 15804837f64SMarcel Holtmann __u32 idle_timeout; 15904837f64SMarcel Holtmann __u16 sniff_min_interval; 16004837f64SMarcel Holtmann __u16 sniff_max_interval; 16104837f64SMarcel Holtmann 162928abaa7SAndrei Emeltchenko __u8 amp_status; 163928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 164928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 165928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 166928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 167928abaa7SAndrei Emeltchenko __u8 amp_type; 168928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 169928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 170928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 171928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 172928abaa7SAndrei Emeltchenko 1739f61656aSJohan Hedberg unsigned int auto_accept_delay; 1749f61656aSJohan Hedberg 1751da177e4SLinus Torvalds unsigned long quirks; 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds atomic_t cmd_cnt; 1781da177e4SLinus Torvalds unsigned int acl_cnt; 1791da177e4SLinus Torvalds unsigned int sco_cnt; 1806ed58ec5SVille Tervo unsigned int le_cnt; 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds unsigned int acl_mtu; 1831da177e4SLinus Torvalds unsigned int sco_mtu; 1846ed58ec5SVille Tervo unsigned int le_mtu; 1851da177e4SLinus Torvalds unsigned int acl_pkts; 1861da177e4SLinus Torvalds unsigned int sco_pkts; 1876ed58ec5SVille Tervo unsigned int le_pkts; 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds unsigned long acl_last_tx; 1901da177e4SLinus Torvalds unsigned long sco_last_tx; 1916ed58ec5SVille Tervo unsigned long le_last_tx; 1921da177e4SLinus Torvalds 193f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 194f48fd9c8SMarcel Holtmann 195ab81cbf9SJohan Hedberg struct work_struct power_on; 1963243553fSJohan Hedberg struct delayed_work power_off; 197ab81cbf9SJohan Hedberg 19816ab91abSJohan Hedberg __u16 discov_timeout; 19916ab91abSJohan Hedberg struct delayed_work discov_off; 20016ab91abSJohan Hedberg 2016bd32326SVille Tervo struct timer_list cmd_timer; 2021da177e4SLinus Torvalds struct tasklet_struct cmd_task; 2031da177e4SLinus Torvalds struct tasklet_struct rx_task; 2041da177e4SLinus Torvalds struct tasklet_struct tx_task; 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvalds struct sk_buff_head rx_q; 2071da177e4SLinus Torvalds struct sk_buff_head raw_q; 2081da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2091da177e4SLinus Torvalds 2101da177e4SLinus Torvalds struct sk_buff *sent_cmd; 211cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2121da177e4SLinus Torvalds 213a6a67efdSThomas Gleixner struct mutex req_lock; 2141da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2151da177e4SLinus Torvalds __u32 req_status; 2161da177e4SLinus Torvalds __u32 req_result; 217a5040efaSJohan Hedberg 218a5040efaSJohan Hedberg __u16 init_last_cmd; 2191da177e4SLinus Torvalds 2202e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2212e58ef3eSJohan Hedberg 2221da177e4SLinus Torvalds struct inquiry_cache inq_cache; 2231da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 224ea4bd8baSDavid Miller struct list_head blacklist; 2251da177e4SLinus Torvalds 2262aeb9a1aSJohan Hedberg struct list_head uuids; 2272aeb9a1aSJohan Hedberg 22855ed8ca1SJohan Hedberg struct list_head link_keys; 22955ed8ca1SJohan Hedberg 2302763eda6SSzymon Janc struct list_head remote_oob_data; 2312763eda6SSzymon Janc 23276c8686fSAndre Guedes struct list_head adv_entries; 23335815085SAndre Guedes struct timer_list adv_timer; 23476c8686fSAndre Guedes 2351da177e4SLinus Torvalds struct hci_dev_stats stat; 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds struct sk_buff_head driver_init; 2381da177e4SLinus Torvalds 2391da177e4SLinus Torvalds void *driver_data; 2401da177e4SLinus Torvalds void *core_data; 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds atomic_t promisc; 2431da177e4SLinus Torvalds 244ca325f69SMarcel Holtmann struct dentry *debugfs; 245ca325f69SMarcel Holtmann 246a91f2e39SMarcel Holtmann struct device *parent; 247a91f2e39SMarcel Holtmann struct device dev; 2481da177e4SLinus Torvalds 249611b30f7SMarcel Holtmann struct rfkill *rfkill; 250611b30f7SMarcel Holtmann 2511da177e4SLinus Torvalds struct module *owner; 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2541da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2551da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2561da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2571da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2581da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2591da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2601da177e4SLinus Torvalds }; 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds struct hci_conn { 2631da177e4SLinus Torvalds struct list_head list; 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds atomic_t refcnt; 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds bdaddr_t dst; 26829b7988aSAndre Guedes __u8 dst_type; 2691da177e4SLinus Torvalds __u16 handle; 2701da177e4SLinus Torvalds __u16 state; 27104837f64SMarcel Holtmann __u8 mode; 2721da177e4SLinus Torvalds __u8 type; 2731da177e4SLinus Torvalds __u8 out; 2744c67bc74SMarcel Holtmann __u8 attempt; 2751da177e4SLinus Torvalds __u8 dev_class[3]; 27604837f64SMarcel Holtmann __u8 features[8]; 27741a96212SMarcel Holtmann __u8 ssp_mode; 27804837f64SMarcel Holtmann __u16 interval; 279a8746417SMarcel Holtmann __u16 pkt_type; 28004837f64SMarcel Holtmann __u16 link_policy; 2811da177e4SLinus Torvalds __u32 link_mode; 28213d39315SWaldemar Rymarkiewicz __u8 key_type; 28340be492fSMarcel Holtmann __u8 auth_type; 2848c1b2355SMarcel Holtmann __u8 sec_level; 285765c2a96SJohan Hedberg __u8 pending_sec_level; 286980e1a53SJohan Hedberg __u8 pin_length; 287726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 28817fa4b9dSJohan Hedberg __u8 io_capability; 28904837f64SMarcel Holtmann __u8 power_save; 290052b30b0SMarcel Holtmann __u16 disc_timeout; 2911da177e4SLinus Torvalds unsigned long pend; 2921da177e4SLinus Torvalds 29303b555e1SJohan Hedberg __u8 remote_cap; 29403b555e1SJohan Hedberg __u8 remote_oob; 29503b555e1SJohan Hedberg __u8 remote_auth; 29603b555e1SJohan Hedberg 2971da177e4SLinus Torvalds unsigned int sent; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds struct sk_buff_head data_q; 30073d80debSLuiz Augusto von Dentz struct hci_chan_hash chan_hash; 3011da177e4SLinus Torvalds 30204837f64SMarcel Holtmann struct timer_list disc_timer; 30304837f64SMarcel Holtmann struct timer_list idle_timer; 3049f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3051da177e4SLinus Torvalds 306f3784d83SRoger Quadros struct work_struct work_add; 307f3784d83SRoger Quadros struct work_struct work_del; 308b219e3acSMarcel Holtmann 309b219e3acSMarcel Holtmann struct device dev; 3109eba32b8SMarcel Holtmann atomic_t devref; 311b219e3acSMarcel Holtmann 3121da177e4SLinus Torvalds struct hci_dev *hdev; 3131da177e4SLinus Torvalds void *l2cap_data; 3141da177e4SLinus Torvalds void *sco_data; 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds struct hci_conn *link; 317e9a416b5SJohan Hedberg 318e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 319e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 320e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3211da177e4SLinus Torvalds }; 3221da177e4SLinus Torvalds 32373d80debSLuiz Augusto von Dentz struct hci_chan { 32473d80debSLuiz Augusto von Dentz struct list_head list; 32573d80debSLuiz Augusto von Dentz 32673d80debSLuiz Augusto von Dentz struct hci_conn *conn; 32773d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 32873d80debSLuiz Augusto von Dentz unsigned int sent; 32973d80debSLuiz Augusto von Dentz }; 33073d80debSLuiz Augusto von Dentz 3311da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 3321da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3331da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3341da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3351da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 33870f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 33970f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3401da177e4SLinus Torvalds 3411da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 3421da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 3431da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 3441da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 3471da177e4SLinus Torvalds { 3481da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3491da177e4SLinus Torvalds spin_lock_init(&c->lock); 3501da177e4SLinus Torvalds c->list = NULL; 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3541da177e4SLinus Torvalds { 3551da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 356a02cec21SEric Dumazet return c->list == NULL; 3571da177e4SLinus Torvalds } 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3601da177e4SLinus Torvalds { 3611da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3621da177e4SLinus Torvalds return jiffies - c->timestamp; 3631da177e4SLinus Torvalds } 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3661da177e4SLinus Torvalds { 3671da177e4SLinus Torvalds return jiffies - e->timestamp; 3681da177e4SLinus Torvalds } 3691da177e4SLinus Torvalds 3705a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3715a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 3721da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3751da177e4SLinus Torvalds enum { 3761da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 37719f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 3781da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 37904837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 38004837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 381e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 382d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 3831da177e4SLinus Torvalds }; 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3861da177e4SLinus Torvalds { 3871da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3881da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3891da177e4SLinus Torvalds spin_lock_init(&h->lock); 3901da177e4SLinus Torvalds h->acl_num = 0; 3911da177e4SLinus Torvalds h->sco_num = 0; 3921da177e4SLinus Torvalds } 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3951da177e4SLinus Torvalds { 3961da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3971da177e4SLinus Torvalds list_add(&c->list, &h->list); 398fcd89c09SVille Tervo switch (c->type) { 399fcd89c09SVille Tervo case ACL_LINK: 4001da177e4SLinus Torvalds h->acl_num++; 401fcd89c09SVille Tervo break; 402fcd89c09SVille Tervo case LE_LINK: 403fcd89c09SVille Tervo h->le_num++; 404fcd89c09SVille Tervo break; 405fcd89c09SVille Tervo case SCO_LINK: 406fcd89c09SVille Tervo case ESCO_LINK: 4071da177e4SLinus Torvalds h->sco_num++; 408fcd89c09SVille Tervo break; 409fcd89c09SVille Tervo } 4101da177e4SLinus Torvalds } 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4131da177e4SLinus Torvalds { 4141da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4151da177e4SLinus Torvalds list_del(&c->list); 416fcd89c09SVille Tervo switch (c->type) { 417fcd89c09SVille Tervo case ACL_LINK: 4181da177e4SLinus Torvalds h->acl_num--; 419fcd89c09SVille Tervo break; 420fcd89c09SVille Tervo case LE_LINK: 421fcd89c09SVille Tervo h->le_num--; 422fcd89c09SVille Tervo break; 423fcd89c09SVille Tervo case SCO_LINK: 424fcd89c09SVille Tervo case ESCO_LINK: 4251da177e4SLinus Torvalds h->sco_num--; 426fcd89c09SVille Tervo break; 427fcd89c09SVille Tervo } 4281da177e4SLinus Torvalds } 4291da177e4SLinus Torvalds 43052087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 43152087a79SLuiz Augusto von Dentz { 43252087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 43352087a79SLuiz Augusto von Dentz switch (type) { 43452087a79SLuiz Augusto von Dentz case ACL_LINK: 43552087a79SLuiz Augusto von Dentz return h->acl_num; 43652087a79SLuiz Augusto von Dentz case LE_LINK: 43752087a79SLuiz Augusto von Dentz return h->le_num; 43852087a79SLuiz Augusto von Dentz case SCO_LINK: 43952087a79SLuiz Augusto von Dentz case ESCO_LINK: 44052087a79SLuiz Augusto von Dentz return h->sco_num; 44152087a79SLuiz Augusto von Dentz default: 44252087a79SLuiz Augusto von Dentz return 0; 44352087a79SLuiz Augusto von Dentz } 44452087a79SLuiz Augusto von Dentz } 44552087a79SLuiz Augusto von Dentz 4461da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4471da177e4SLinus Torvalds __u16 handle) 4481da177e4SLinus Torvalds { 4491da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4501da177e4SLinus Torvalds struct list_head *p; 4511da177e4SLinus Torvalds struct hci_conn *c; 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds list_for_each(p, &h->list) { 4541da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4551da177e4SLinus Torvalds if (c->handle == handle) 4561da177e4SLinus Torvalds return c; 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds return NULL; 4591da177e4SLinus Torvalds } 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 4621da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 4631da177e4SLinus Torvalds { 4641da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4651da177e4SLinus Torvalds struct list_head *p; 4661da177e4SLinus Torvalds struct hci_conn *c; 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds list_for_each(p, &h->list) { 4691da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4701da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 4711da177e4SLinus Torvalds return c; 4721da177e4SLinus Torvalds } 4731da177e4SLinus Torvalds return NULL; 4741da177e4SLinus Torvalds } 4751da177e4SLinus Torvalds 4764c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 4774c67bc74SMarcel Holtmann __u8 type, __u16 state) 4784c67bc74SMarcel Holtmann { 4794c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4804c67bc74SMarcel Holtmann struct list_head *p; 4814c67bc74SMarcel Holtmann struct hci_conn *c; 4824c67bc74SMarcel Holtmann 4834c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4844c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4854c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4864c67bc74SMarcel Holtmann return c; 4874c67bc74SMarcel Holtmann } 4884c67bc74SMarcel Holtmann return NULL; 4894c67bc74SMarcel Holtmann } 4904c67bc74SMarcel Holtmann 49173d80debSLuiz Augusto von Dentz static inline void hci_chan_hash_init(struct hci_conn *c) 49273d80debSLuiz Augusto von Dentz { 49373d80debSLuiz Augusto von Dentz struct hci_chan_hash *h = &c->chan_hash; 49473d80debSLuiz Augusto von Dentz INIT_LIST_HEAD(&h->list); 49573d80debSLuiz Augusto von Dentz spin_lock_init(&h->lock); 49673d80debSLuiz Augusto von Dentz h->num = 0; 49773d80debSLuiz Augusto von Dentz } 49873d80debSLuiz Augusto von Dentz 49973d80debSLuiz Augusto von Dentz static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan) 50073d80debSLuiz Augusto von Dentz { 50173d80debSLuiz Augusto von Dentz struct hci_chan_hash *h = &c->chan_hash; 50273d80debSLuiz Augusto von Dentz list_add(&chan->list, &h->list); 50373d80debSLuiz Augusto von Dentz h->num++; 50473d80debSLuiz Augusto von Dentz } 50573d80debSLuiz Augusto von Dentz 50673d80debSLuiz Augusto von Dentz static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan) 50773d80debSLuiz Augusto von Dentz { 50873d80debSLuiz Augusto von Dentz struct hci_chan_hash *h = &c->chan_hash; 50973d80debSLuiz Augusto von Dentz list_del(&chan->list); 51073d80debSLuiz Augusto von Dentz h->num--; 51173d80debSLuiz Augusto von Dentz } 51273d80debSLuiz Augusto von Dentz 5134c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5141da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5151da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 516b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 517e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5201da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5211da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 522a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5231da177e4SLinus Torvalds 52473d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 52573d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 52673d80debSLuiz Augusto von Dentz void hci_chan_hash_flush(struct hci_conn *conn); 52773d80debSLuiz Augusto von Dentz 5285a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5295a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 530e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 531b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5320684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5331da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5348c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5351da177e4SLinus Torvalds 53614b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 53704837f64SMarcel Holtmann void hci_conn_enter_sniff_mode(struct hci_conn *conn); 5381da177e4SLinus Torvalds 5399eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5409eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5419eba32b8SMarcel Holtmann 5421da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5431da177e4SLinus Torvalds { 5441da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 54504837f64SMarcel Holtmann del_timer(&conn->disc_timer); 5461da177e4SLinus Torvalds } 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5491da177e4SLinus Torvalds { 5501da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 55104837f64SMarcel Holtmann unsigned long timeo; 552454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5536ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5546ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 555052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 55604837f64SMarcel Holtmann if (!conn->out) 557052b30b0SMarcel Holtmann timeo *= 2; 5585a9d0a3fSWaldemar Rymarkiewicz } else { 5596ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 5605a9d0a3fSWaldemar Rymarkiewicz } 5615a9d0a3fSWaldemar Rymarkiewicz } else { 56204837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 5635a9d0a3fSWaldemar Rymarkiewicz } 56404837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 5651da177e4SLinus Torvalds } 5661da177e4SLinus Torvalds } 5671da177e4SLinus Torvalds 5681da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 5691da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 5701da177e4SLinus Torvalds { 5711da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 5721da177e4SLinus Torvalds d->destruct(d); 5731da177e4SLinus Torvalds } 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 5761da177e4SLinus Torvalds { 5771da177e4SLinus Torvalds __hci_dev_put(d); 5781da177e4SLinus Torvalds module_put(d->owner); 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 5821da177e4SLinus Torvalds { 5831da177e4SLinus Torvalds atomic_inc(&d->refcnt); 5841da177e4SLinus Torvalds return d; 5851da177e4SLinus Torvalds } 5861da177e4SLinus Torvalds 5871da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 5881da177e4SLinus Torvalds { 5891da177e4SLinus Torvalds if (try_module_get(d->owner)) 5901da177e4SLinus Torvalds return __hci_dev_hold(d); 5911da177e4SLinus Torvalds return NULL; 5921da177e4SLinus Torvalds } 5931da177e4SLinus Torvalds 5941da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 5951da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 5961da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 5971da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 5981da177e4SLinus Torvalds 5991da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6001da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6031da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6041da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 60559735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6061da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6071da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6081da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6091da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6101da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6111da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6121da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6131da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6141da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6151da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6161da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 61740be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6181da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6191da177e4SLinus Torvalds 620f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 621f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 622b2a66aadSAntti Julku int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); 623b2a66aadSAntti Julku int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); 624f0358568SJohan Hedberg 6252aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6262aeb9a1aSJohan Hedberg 62755ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 62855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 629d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 630d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 63175d262c2SVinicius Costa Gomes struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 63275d262c2SVinicius Costa Gomes struct link_key *hci_find_link_key_type(struct hci_dev *hdev, 63375d262c2SVinicius Costa Gomes bdaddr_t *bdaddr, u8 type); 63475d262c2SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 635726b4ffcSVinicius Costa Gomes u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]); 63655ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 63755ed8ca1SJohan Hedberg 6382763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6392763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6402763eda6SSzymon Janc bdaddr_t *bdaddr); 6412763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6422763eda6SSzymon Janc u8 *randomizer); 6432763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6442763eda6SSzymon Janc 64535815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 64676c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 64776c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 64876c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 64976c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 65076c8686fSAndre Guedes 651ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 652ab81cbf9SJohan Hedberg 6531da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6541da177e4SLinus Torvalds 65576bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 656ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 65799811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 658ef222013SMarcel Holtmann 6590ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 660ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 661ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 662a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 663b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 664b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6651da177e4SLinus Torvalds 666a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 66904837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 67004837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 67104837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 67204837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 6735b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 674769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 675e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 6766ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 6771da177e4SLinus Torvalds 678eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 679eead27daSAndre Guedes #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE) 680eead27daSAndre Guedes 6811da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 6821da177e4SLinus Torvalds struct hci_proto { 6831da177e4SLinus Torvalds char *name; 6841da177e4SLinus Torvalds unsigned int id; 6851da177e4SLinus Torvalds unsigned long flags; 6861da177e4SLinus Torvalds 6871da177e4SLinus Torvalds void *priv; 6881da177e4SLinus Torvalds 6895a9d0a3fSWaldemar Rymarkiewicz int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, 6905a9d0a3fSWaldemar Rymarkiewicz __u8 type); 6911da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 6922950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 6932950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 6945a9d0a3fSWaldemar Rymarkiewicz int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, 6955a9d0a3fSWaldemar Rymarkiewicz __u16 flags); 6961da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 6975a9d0a3fSWaldemar Rymarkiewicz int (*security_cfm) (struct hci_conn *conn, __u8 status, 6985a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 6991da177e4SLinus Torvalds }; 7001da177e4SLinus Torvalds 7015a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 7025a9d0a3fSWaldemar Rymarkiewicz __u8 type) 7031da177e4SLinus Torvalds { 7041da177e4SLinus Torvalds register struct hci_proto *hp; 7051da177e4SLinus Torvalds int mask = 0; 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7081da177e4SLinus Torvalds if (hp && hp->connect_ind) 7091da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7121da177e4SLinus Torvalds if (hp && hp->connect_ind) 7131da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvalds return mask; 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7191da177e4SLinus Torvalds { 7201da177e4SLinus Torvalds register struct hci_proto *hp; 7211da177e4SLinus Torvalds 7221da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7231da177e4SLinus Torvalds if (hp && hp->connect_cfm) 7241da177e4SLinus Torvalds hp->connect_cfm(conn, status); 7251da177e4SLinus Torvalds 7261da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7271da177e4SLinus Torvalds if (hp && hp->connect_cfm) 7281da177e4SLinus Torvalds hp->connect_cfm(conn, status); 729e9a416b5SJohan Hedberg 730e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 731e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7321da177e4SLinus Torvalds } 7331da177e4SLinus Torvalds 7342950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7352950f21aSMarcel Holtmann { 7362950f21aSMarcel Holtmann register struct hci_proto *hp; 7379f5a0d7bSAndrei Emeltchenko int reason = HCI_ERROR_REMOTE_USER_TERM; 7382950f21aSMarcel Holtmann 7392950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 7402950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 7412950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 7422950f21aSMarcel Holtmann 7432950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 7442950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 7452950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 7462950f21aSMarcel Holtmann 7472950f21aSMarcel Holtmann return reason; 7482950f21aSMarcel Holtmann } 7492950f21aSMarcel Holtmann 7502950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7511da177e4SLinus Torvalds { 7521da177e4SLinus Torvalds register struct hci_proto *hp; 7531da177e4SLinus Torvalds 7541da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7552950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7562950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7592950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7602950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 761e9a416b5SJohan Hedberg 762e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 763e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7641da177e4SLinus Torvalds } 7651da177e4SLinus Torvalds 7661da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7671da177e4SLinus Torvalds { 7681da177e4SLinus Torvalds register struct hci_proto *hp; 7698c1b2355SMarcel Holtmann __u8 encrypt; 7708c1b2355SMarcel Holtmann 7718c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7728c1b2355SMarcel Holtmann return; 7738c1b2355SMarcel Holtmann 7748c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7751da177e4SLinus Torvalds 7761da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7778c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7788c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7791da177e4SLinus Torvalds 7801da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7818c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7828c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 783e9a416b5SJohan Hedberg 784e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 785e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7861da177e4SLinus Torvalds } 7871da177e4SLinus Torvalds 7885a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 7895a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7901da177e4SLinus Torvalds { 7911da177e4SLinus Torvalds register struct hci_proto *hp; 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7948c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7958c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7988c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7998c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 800e9a416b5SJohan Hedberg 801e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 802e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 8031da177e4SLinus Torvalds } 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 8061da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 8071da177e4SLinus Torvalds 8081da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 8091da177e4SLinus Torvalds struct hci_cb { 8101da177e4SLinus Torvalds struct list_head list; 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds char *name; 8131da177e4SLinus Torvalds 8145a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 8155a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 8161da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 8171da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8181da177e4SLinus Torvalds }; 8191da177e4SLinus Torvalds 8201da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8211da177e4SLinus Torvalds { 8221da177e4SLinus Torvalds struct list_head *p; 8238c1b2355SMarcel Holtmann __u8 encrypt; 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8261da177e4SLinus Torvalds 8278c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 8288c1b2355SMarcel Holtmann return; 8298c1b2355SMarcel Holtmann 8308c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8318c1b2355SMarcel Holtmann 8321da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8331da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8341da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8358c1b2355SMarcel Holtmann if (cb->security_cfm) 8368c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8371da177e4SLinus Torvalds } 8381da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8391da177e4SLinus Torvalds } 8401da177e4SLinus Torvalds 8415a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8425a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8431da177e4SLinus Torvalds { 8441da177e4SLinus Torvalds struct list_head *p; 8451da177e4SLinus Torvalds 846435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 847435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 848435fef20SMarcel Holtmann 84988167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 85088167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 85188167aedSVinicius Costa Gomes 8529719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8551da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8561da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8578c1b2355SMarcel Holtmann if (cb->security_cfm) 8588c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8591da177e4SLinus Torvalds } 8601da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8611da177e4SLinus Torvalds } 8621da177e4SLinus Torvalds 8631da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8641da177e4SLinus Torvalds { 8651da177e4SLinus Torvalds struct list_head *p; 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8681da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8691da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8701da177e4SLinus Torvalds if (cb->key_change_cfm) 8711da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8721da177e4SLinus Torvalds } 8731da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8741da177e4SLinus Torvalds } 8751da177e4SLinus Torvalds 8765a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8775a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8781da177e4SLinus Torvalds { 8791da177e4SLinus Torvalds struct list_head *p; 8801da177e4SLinus Torvalds 8811da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8821da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8831da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8841da177e4SLinus Torvalds if (cb->role_switch_cfm) 8851da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8861da177e4SLinus Torvalds } 8871da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8881da177e4SLinus Torvalds } 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 8911da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 8941da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 8951da177e4SLinus Torvalds 896a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 89773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 8980d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 8991da177e4SLinus Torvalds 900a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 905eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 906eec8d2bcSJohan Hedberg struct sock *skip_sk); 9071da177e4SLinus Torvalds 9080381101fSJohan Hedberg /* Management interface */ 9090381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 910744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 911744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 912744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 913744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 914744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 915744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 916744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 917744cf19eSJohan Hedberg u8 persistent); 91848264f06SJohan Hedberg int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 91948264f06SJohan Hedberg u8 addr_type); 92048264f06SJohan Hedberg int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 92148264f06SJohan Hedberg u8 addr_type); 922744cf19eSJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev); 92348264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 92448264f06SJohan Hedberg u8 addr_type, u8 status); 925744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 926744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 927c35938b2SSzymon Janc u8 status); 928744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 929744cf19eSJohan Hedberg u8 status); 930744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 931744cf19eSJohan Hedberg __le32 value, u8 confirm_hint); 932744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 933744cf19eSJohan Hedberg u8 status); 934744cf19eSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, 935744cf19eSJohan Hedberg bdaddr_t *bdaddr, u8 status); 936744cf19eSJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); 937744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 938744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 939744cf19eSJohan Hedberg u8 *randomizer, u8 status); 94048264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 94148264f06SJohan Hedberg u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir); 942744cf19eSJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name); 943744cf19eSJohan Hedberg int mgmt_inquiry_failed(struct hci_dev *hdev, u8 status); 944744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 945744cf19eSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 946744cf19eSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 9470381101fSJohan Hedberg 9481da177e4SLinus Torvalds /* HCI info for socket */ 9491da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 9501da177e4SLinus Torvalds 9511da177e4SLinus Torvalds struct hci_pinfo { 9521da177e4SLinus Torvalds struct bt_sock bt; 9531da177e4SLinus Torvalds struct hci_dev *hdev; 9541da177e4SLinus Torvalds struct hci_filter filter; 9551da177e4SLinus Torvalds __u32 cmsg_mask; 956c02178d2SJohan Hedberg unsigned short channel; 9571da177e4SLinus Torvalds }; 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvalds /* HCI security filter */ 9601da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 9611da177e4SLinus Torvalds 9621da177e4SLinus Torvalds struct hci_sec_filter { 9631da177e4SLinus Torvalds __u32 type_mask; 9641da177e4SLinus Torvalds __u32 event_mask[2]; 9651da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 9661da177e4SLinus Torvalds }; 9671da177e4SLinus Torvalds 9681da177e4SLinus Torvalds /* ----- HCI requests ----- */ 9691da177e4SLinus Torvalds #define HCI_REQ_DONE 0 9701da177e4SLinus Torvalds #define HCI_REQ_PEND 1 9711da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 9721da177e4SLinus Torvalds 973a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 974a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 9751da177e4SLinus Torvalds 97623bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 9771da177e4SLinus Torvalds 9782ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 9792ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 980a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 981a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 982a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 983a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 984a7a595f6SVinicius Costa Gomes 9852519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 986023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 9872519a1fcSAndre Guedes 9881da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 989