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 unsigned int acl_num; 651da177e4SLinus Torvalds unsigned int sco_num; 66fcd89c09SVille Tervo unsigned int le_num; 671da177e4SLinus Torvalds }; 681da177e4SLinus Torvalds 69f0358568SJohan Hedberg struct bdaddr_list { 70f0358568SJohan Hedberg struct list_head list; 71f0358568SJohan Hedberg bdaddr_t bdaddr; 72f0358568SJohan Hedberg }; 732aeb9a1aSJohan Hedberg 742aeb9a1aSJohan Hedberg struct bt_uuid { 752aeb9a1aSJohan Hedberg struct list_head list; 762aeb9a1aSJohan Hedberg u8 uuid[16]; 771aff6f09SJohan Hedberg u8 svc_hint; 782aeb9a1aSJohan Hedberg }; 792aeb9a1aSJohan Hedberg 8034918cd7SVinicius Costa Gomes struct key_master_id { 8134918cd7SVinicius Costa Gomes __le16 ediv; 8234918cd7SVinicius Costa Gomes u8 rand[8]; 8334918cd7SVinicius Costa Gomes } __packed; 8434918cd7SVinicius Costa Gomes 8534918cd7SVinicius Costa Gomes struct link_key_data { 8634918cd7SVinicius Costa Gomes bdaddr_t bdaddr; 8734918cd7SVinicius Costa Gomes u8 type; 8834918cd7SVinicius Costa Gomes u8 val[16]; 8934918cd7SVinicius Costa Gomes u8 pin_len; 9034918cd7SVinicius Costa Gomes u8 dlen; 9134918cd7SVinicius Costa Gomes u8 data[0]; 9234918cd7SVinicius Costa Gomes } __packed; 9334918cd7SVinicius Costa Gomes 9455ed8ca1SJohan Hedberg struct link_key { 9555ed8ca1SJohan Hedberg struct list_head list; 9655ed8ca1SJohan Hedberg bdaddr_t bdaddr; 9755ed8ca1SJohan Hedberg u8 type; 9855ed8ca1SJohan Hedberg u8 val[16]; 9955ed8ca1SJohan Hedberg u8 pin_len; 10034918cd7SVinicius Costa Gomes u8 dlen; 10134918cd7SVinicius Costa Gomes u8 data[0]; 10255ed8ca1SJohan Hedberg }; 10355ed8ca1SJohan Hedberg 1042763eda6SSzymon Janc struct oob_data { 1052763eda6SSzymon Janc struct list_head list; 1062763eda6SSzymon Janc bdaddr_t bdaddr; 1072763eda6SSzymon Janc u8 hash[16]; 1082763eda6SSzymon Janc u8 randomizer[16]; 1092763eda6SSzymon Janc }; 1102763eda6SSzymon Janc 11176c8686fSAndre Guedes struct adv_entry { 11276c8686fSAndre Guedes struct list_head list; 11376c8686fSAndre Guedes bdaddr_t bdaddr; 11476c8686fSAndre Guedes u8 bdaddr_type; 11576c8686fSAndre Guedes }; 11676c8686fSAndre Guedes 117cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1181da177e4SLinus Torvalds struct hci_dev { 1191da177e4SLinus Torvalds struct list_head list; 1201da177e4SLinus Torvalds spinlock_t lock; 1211da177e4SLinus Torvalds atomic_t refcnt; 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds char name[8]; 1241da177e4SLinus Torvalds unsigned long flags; 1251da177e4SLinus Torvalds __u16 id; 126c13854ceSMarcel Holtmann __u8 bus; 127943da25dSMarcel Holtmann __u8 dev_type; 1281da177e4SLinus Torvalds bdaddr_t bdaddr; 1291f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 13080a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 131a9de9248SMarcel Holtmann __u8 dev_class[3]; 1321aff6f09SJohan Hedberg __u8 major_class; 1331aff6f09SJohan Hedberg __u8 minor_class; 1341da177e4SLinus Torvalds __u8 features[8]; 135971e3a4bSAndre Guedes __u8 extfeatures[8]; 136a9de9248SMarcel Holtmann __u8 commands[64]; 137333140b5SMarcel Holtmann __u8 ssp_mode; 1381143e5a6SMarcel Holtmann __u8 hci_ver; 1391143e5a6SMarcel Holtmann __u16 hci_rev; 140d5859e22SJohan Hedberg __u8 lmp_ver; 1411143e5a6SMarcel Holtmann __u16 manufacturer; 142d5859e22SJohan Hedberg __le16 lmp_subver; 1431da177e4SLinus Torvalds __u16 voice_setting; 14417fa4b9dSJohan Hedberg __u8 io_capability; 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds __u16 pkt_type; 1475b7f9909SMarcel Holtmann __u16 esco_type; 1481da177e4SLinus Torvalds __u16 link_policy; 1491da177e4SLinus Torvalds __u16 link_mode; 1501da177e4SLinus Torvalds 15104837f64SMarcel Holtmann __u32 idle_timeout; 15204837f64SMarcel Holtmann __u16 sniff_min_interval; 15304837f64SMarcel Holtmann __u16 sniff_max_interval; 15404837f64SMarcel Holtmann 155928abaa7SAndrei Emeltchenko __u8 amp_status; 156928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 157928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 158928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 159928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 160928abaa7SAndrei Emeltchenko __u8 amp_type; 161928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 162928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 163928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 164928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 165928abaa7SAndrei Emeltchenko 1661e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1671e89cffbSAndrei Emeltchenko 1689f61656aSJohan Hedberg unsigned int auto_accept_delay; 1699f61656aSJohan Hedberg 1701da177e4SLinus Torvalds unsigned long quirks; 1711da177e4SLinus Torvalds 1721da177e4SLinus Torvalds atomic_t cmd_cnt; 1731da177e4SLinus Torvalds unsigned int acl_cnt; 1741da177e4SLinus Torvalds unsigned int sco_cnt; 1756ed58ec5SVille Tervo unsigned int le_cnt; 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds unsigned int acl_mtu; 1781da177e4SLinus Torvalds unsigned int sco_mtu; 1796ed58ec5SVille Tervo unsigned int le_mtu; 1801da177e4SLinus Torvalds unsigned int acl_pkts; 1811da177e4SLinus Torvalds unsigned int sco_pkts; 1826ed58ec5SVille Tervo unsigned int le_pkts; 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds unsigned long acl_last_tx; 1851da177e4SLinus Torvalds unsigned long sco_last_tx; 1866ed58ec5SVille Tervo unsigned long le_last_tx; 1871da177e4SLinus Torvalds 188f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 189f48fd9c8SMarcel Holtmann 190ab81cbf9SJohan Hedberg struct work_struct power_on; 1913243553fSJohan Hedberg struct delayed_work power_off; 192ab81cbf9SJohan Hedberg 19316ab91abSJohan Hedberg __u16 discov_timeout; 19416ab91abSJohan Hedberg struct delayed_work discov_off; 19516ab91abSJohan Hedberg 1966bd32326SVille Tervo struct timer_list cmd_timer; 197b78752ccSMarcel Holtmann 198b78752ccSMarcel Holtmann struct work_struct rx_work; 1991da177e4SLinus Torvalds struct tasklet_struct cmd_task; 2001da177e4SLinus Torvalds struct tasklet_struct tx_task; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds struct sk_buff_head rx_q; 2031da177e4SLinus Torvalds struct sk_buff_head raw_q; 2041da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvalds struct sk_buff *sent_cmd; 207cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2081da177e4SLinus Torvalds 209a6a67efdSThomas Gleixner struct mutex req_lock; 2101da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2111da177e4SLinus Torvalds __u32 req_status; 2121da177e4SLinus Torvalds __u32 req_result; 213a5040efaSJohan Hedberg 214a5040efaSJohan Hedberg __u16 init_last_cmd; 2151da177e4SLinus Torvalds 2162e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2172e58ef3eSJohan Hedberg 2181da177e4SLinus Torvalds struct inquiry_cache inq_cache; 2191da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 220ea4bd8baSDavid Miller struct list_head blacklist; 2211da177e4SLinus Torvalds 2222aeb9a1aSJohan Hedberg struct list_head uuids; 2232aeb9a1aSJohan Hedberg 22455ed8ca1SJohan Hedberg struct list_head link_keys; 22555ed8ca1SJohan Hedberg 2262763eda6SSzymon Janc struct list_head remote_oob_data; 2272763eda6SSzymon Janc 22876c8686fSAndre Guedes struct list_head adv_entries; 22935815085SAndre Guedes struct timer_list adv_timer; 23076c8686fSAndre Guedes 2311da177e4SLinus Torvalds struct hci_dev_stats stat; 2321da177e4SLinus Torvalds 2331da177e4SLinus Torvalds struct sk_buff_head driver_init; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds void *driver_data; 2361da177e4SLinus Torvalds void *core_data; 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds atomic_t promisc; 2391da177e4SLinus Torvalds 240ca325f69SMarcel Holtmann struct dentry *debugfs; 241ca325f69SMarcel Holtmann 242a91f2e39SMarcel Holtmann struct device *parent; 243a91f2e39SMarcel Holtmann struct device dev; 2441da177e4SLinus Torvalds 245611b30f7SMarcel Holtmann struct rfkill *rfkill; 246611b30f7SMarcel Holtmann 2471da177e4SLinus Torvalds struct module *owner; 2481da177e4SLinus Torvalds 249d23264a8SAndre Guedes unsigned long dev_flags; 250d23264a8SAndre Guedes 2511da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2521da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2531da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2541da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2551da177e4SLinus Torvalds void (*destruct)(struct hci_dev *hdev); 2561da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2571da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2581da177e4SLinus Torvalds }; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds struct hci_conn { 2611da177e4SLinus Torvalds struct list_head list; 2621da177e4SLinus Torvalds 2631da177e4SLinus Torvalds atomic_t refcnt; 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds bdaddr_t dst; 26629b7988aSAndre Guedes __u8 dst_type; 2671da177e4SLinus Torvalds __u16 handle; 2681da177e4SLinus Torvalds __u16 state; 26904837f64SMarcel Holtmann __u8 mode; 2701da177e4SLinus Torvalds __u8 type; 2711da177e4SLinus Torvalds __u8 out; 2724c67bc74SMarcel Holtmann __u8 attempt; 2731da177e4SLinus Torvalds __u8 dev_class[3]; 27404837f64SMarcel Holtmann __u8 features[8]; 27541a96212SMarcel Holtmann __u8 ssp_mode; 27604837f64SMarcel Holtmann __u16 interval; 277a8746417SMarcel Holtmann __u16 pkt_type; 27804837f64SMarcel Holtmann __u16 link_policy; 2791da177e4SLinus Torvalds __u32 link_mode; 28013d39315SWaldemar Rymarkiewicz __u8 key_type; 28140be492fSMarcel Holtmann __u8 auth_type; 2828c1b2355SMarcel Holtmann __u8 sec_level; 283765c2a96SJohan Hedberg __u8 pending_sec_level; 284980e1a53SJohan Hedberg __u8 pin_length; 285726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 28617fa4b9dSJohan Hedberg __u8 io_capability; 28704837f64SMarcel Holtmann __u8 power_save; 288052b30b0SMarcel Holtmann __u16 disc_timeout; 2891da177e4SLinus Torvalds unsigned long pend; 2901da177e4SLinus Torvalds 29103b555e1SJohan Hedberg __u8 remote_cap; 29203b555e1SJohan Hedberg __u8 remote_oob; 29303b555e1SJohan Hedberg __u8 remote_auth; 29403b555e1SJohan Hedberg 2951da177e4SLinus Torvalds unsigned int sent; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds struct sk_buff_head data_q; 2982c33c06aSGustavo F. Padovan struct list_head chan_list; 2991da177e4SLinus Torvalds 30004837f64SMarcel Holtmann struct timer_list disc_timer; 30104837f64SMarcel Holtmann struct timer_list idle_timer; 3029f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3031da177e4SLinus Torvalds 304f3784d83SRoger Quadros struct work_struct work_add; 305f3784d83SRoger Quadros struct work_struct work_del; 306b219e3acSMarcel Holtmann 307b219e3acSMarcel Holtmann struct device dev; 3089eba32b8SMarcel Holtmann atomic_t devref; 309b219e3acSMarcel Holtmann 3101da177e4SLinus Torvalds struct hci_dev *hdev; 3111da177e4SLinus Torvalds void *l2cap_data; 3121da177e4SLinus Torvalds void *sco_data; 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds struct hci_conn *link; 315e9a416b5SJohan Hedberg 316e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 317e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 318e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3191da177e4SLinus Torvalds }; 3201da177e4SLinus Torvalds 32173d80debSLuiz Augusto von Dentz struct hci_chan { 32273d80debSLuiz Augusto von Dentz struct list_head list; 32373d80debSLuiz Augusto von Dentz 32473d80debSLuiz Augusto von Dentz struct hci_conn *conn; 32573d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 32673d80debSLuiz Augusto von Dentz unsigned int sent; 32773d80debSLuiz Augusto von Dentz }; 32873d80debSLuiz Augusto von Dentz 3291da177e4SLinus Torvalds extern struct hci_proto *hci_proto[]; 3301da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3311da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3321da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3331da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 33670f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 33770f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3381da177e4SLinus Torvalds 3391da177e4SLinus Torvalds #define inquiry_cache_lock(c) spin_lock(&c->lock) 3401da177e4SLinus Torvalds #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 3411da177e4SLinus Torvalds #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 3421da177e4SLinus Torvalds #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 3431da177e4SLinus Torvalds 3441da177e4SLinus Torvalds static inline void inquiry_cache_init(struct hci_dev *hdev) 3451da177e4SLinus Torvalds { 3461da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3471da177e4SLinus Torvalds spin_lock_init(&c->lock); 3481da177e4SLinus Torvalds c->list = NULL; 3491da177e4SLinus Torvalds } 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3521da177e4SLinus Torvalds { 3531da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 354a02cec21SEric Dumazet return c->list == NULL; 3551da177e4SLinus Torvalds } 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3581da177e4SLinus Torvalds { 3591da177e4SLinus Torvalds struct inquiry_cache *c = &hdev->inq_cache; 3601da177e4SLinus Torvalds return jiffies - c->timestamp; 3611da177e4SLinus Torvalds } 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3641da177e4SLinus Torvalds { 3651da177e4SLinus Torvalds return jiffies - e->timestamp; 3661da177e4SLinus Torvalds } 3671da177e4SLinus Torvalds 3685a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3695a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 3701da177e4SLinus Torvalds void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 3731da177e4SLinus Torvalds enum { 3741da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 37519f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 3761da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 37704837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 37804837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 379e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 380d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 3811da177e4SLinus Torvalds }; 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3861da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 3871da177e4SLinus Torvalds h->acl_num = 0; 3881da177e4SLinus Torvalds h->sco_num = 0; 389dc8ed672SGustavo F. Padovan h->le_num = 0; 3901da177e4SLinus Torvalds } 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 3931da177e4SLinus Torvalds { 3941da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 3951da177e4SLinus Torvalds list_add(&c->list, &h->list); 396fcd89c09SVille Tervo switch (c->type) { 397fcd89c09SVille Tervo case ACL_LINK: 3981da177e4SLinus Torvalds h->acl_num++; 399fcd89c09SVille Tervo break; 400fcd89c09SVille Tervo case LE_LINK: 401fcd89c09SVille Tervo h->le_num++; 402fcd89c09SVille Tervo break; 403fcd89c09SVille Tervo case SCO_LINK: 404fcd89c09SVille Tervo case ESCO_LINK: 4051da177e4SLinus Torvalds h->sco_num++; 406fcd89c09SVille Tervo break; 407fcd89c09SVille Tervo } 4081da177e4SLinus Torvalds } 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4111da177e4SLinus Torvalds { 4121da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4131da177e4SLinus Torvalds list_del(&c->list); 414fcd89c09SVille Tervo switch (c->type) { 415fcd89c09SVille Tervo case ACL_LINK: 4161da177e4SLinus Torvalds h->acl_num--; 417fcd89c09SVille Tervo break; 418fcd89c09SVille Tervo case LE_LINK: 419fcd89c09SVille Tervo h->le_num--; 420fcd89c09SVille Tervo break; 421fcd89c09SVille Tervo case SCO_LINK: 422fcd89c09SVille Tervo case ESCO_LINK: 4231da177e4SLinus Torvalds h->sco_num--; 424fcd89c09SVille Tervo break; 425fcd89c09SVille Tervo } 4261da177e4SLinus Torvalds } 4271da177e4SLinus Torvalds 42852087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 42952087a79SLuiz Augusto von Dentz { 43052087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 43152087a79SLuiz Augusto von Dentz switch (type) { 43252087a79SLuiz Augusto von Dentz case ACL_LINK: 43352087a79SLuiz Augusto von Dentz return h->acl_num; 43452087a79SLuiz Augusto von Dentz case LE_LINK: 43552087a79SLuiz Augusto von Dentz return h->le_num; 43652087a79SLuiz Augusto von Dentz case SCO_LINK: 43752087a79SLuiz Augusto von Dentz case ESCO_LINK: 43852087a79SLuiz Augusto von Dentz return h->sco_num; 43952087a79SLuiz Augusto von Dentz default: 44052087a79SLuiz Augusto von Dentz return 0; 44152087a79SLuiz Augusto von Dentz } 44252087a79SLuiz Augusto von Dentz } 44352087a79SLuiz Augusto von Dentz 4441da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4451da177e4SLinus Torvalds __u16 handle) 4461da177e4SLinus Torvalds { 4471da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4481da177e4SLinus Torvalds struct list_head *p; 4491da177e4SLinus Torvalds struct hci_conn *c; 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvalds list_for_each(p, &h->list) { 4521da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4531da177e4SLinus Torvalds if (c->handle == handle) 4541da177e4SLinus Torvalds return c; 4551da177e4SLinus Torvalds } 4561da177e4SLinus Torvalds return NULL; 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 4601da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 4611da177e4SLinus Torvalds { 4621da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4631da177e4SLinus Torvalds struct list_head *p; 4641da177e4SLinus Torvalds struct hci_conn *c; 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds list_for_each(p, &h->list) { 4671da177e4SLinus Torvalds c = list_entry(p, struct hci_conn, list); 4681da177e4SLinus Torvalds if (c->type == type && !bacmp(&c->dst, ba)) 4691da177e4SLinus Torvalds return c; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds return NULL; 4721da177e4SLinus Torvalds } 4731da177e4SLinus Torvalds 4744c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 4754c67bc74SMarcel Holtmann __u8 type, __u16 state) 4764c67bc74SMarcel Holtmann { 4774c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 4784c67bc74SMarcel Holtmann struct list_head *p; 4794c67bc74SMarcel Holtmann struct hci_conn *c; 4804c67bc74SMarcel Holtmann 4814c67bc74SMarcel Holtmann list_for_each(p, &h->list) { 4824c67bc74SMarcel Holtmann c = list_entry(p, struct hci_conn, list); 4834c67bc74SMarcel Holtmann if (c->type == type && c->state == state) 4844c67bc74SMarcel Holtmann return c; 4854c67bc74SMarcel Holtmann } 4864c67bc74SMarcel Holtmann return NULL; 4874c67bc74SMarcel Holtmann } 4884c67bc74SMarcel Holtmann 4894c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 4901da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 4911da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 492b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 493e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 4961da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 4971da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 498a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 4991da177e4SLinus Torvalds 50073d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 50173d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5022c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 50373d80debSLuiz Augusto von Dentz 5045a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5055a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 506e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 507b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5080684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5091da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5108c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5111da177e4SLinus Torvalds 51214b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5131da177e4SLinus Torvalds 5149eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5159eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5169eba32b8SMarcel Holtmann 5171da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5181da177e4SLinus Torvalds { 5191da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 52004837f64SMarcel Holtmann del_timer(&conn->disc_timer); 5211da177e4SLinus Torvalds } 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5241da177e4SLinus Torvalds { 5251da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 52604837f64SMarcel Holtmann unsigned long timeo; 527454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5286ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5296ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 530052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 53104837f64SMarcel Holtmann if (!conn->out) 532052b30b0SMarcel Holtmann timeo *= 2; 5335a9d0a3fSWaldemar Rymarkiewicz } else { 5346ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 5355a9d0a3fSWaldemar Rymarkiewicz } 5365a9d0a3fSWaldemar Rymarkiewicz } else { 53704837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 5385a9d0a3fSWaldemar Rymarkiewicz } 53904837f64SMarcel Holtmann mod_timer(&conn->disc_timer, jiffies + timeo); 5401da177e4SLinus Torvalds } 5411da177e4SLinus Torvalds } 5421da177e4SLinus Torvalds 5431da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 5441da177e4SLinus Torvalds static inline void __hci_dev_put(struct hci_dev *d) 5451da177e4SLinus Torvalds { 5461da177e4SLinus Torvalds if (atomic_dec_and_test(&d->refcnt)) 5471da177e4SLinus Torvalds d->destruct(d); 5481da177e4SLinus Torvalds } 5491da177e4SLinus Torvalds 5501da177e4SLinus Torvalds static inline void hci_dev_put(struct hci_dev *d) 5511da177e4SLinus Torvalds { 5521da177e4SLinus Torvalds __hci_dev_put(d); 5531da177e4SLinus Torvalds module_put(d->owner); 5541da177e4SLinus Torvalds } 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 5571da177e4SLinus Torvalds { 5581da177e4SLinus Torvalds atomic_inc(&d->refcnt); 5591da177e4SLinus Torvalds return d; 5601da177e4SLinus Torvalds } 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 5631da177e4SLinus Torvalds { 5641da177e4SLinus Torvalds if (try_module_get(d->owner)) 5651da177e4SLinus Torvalds return __hci_dev_hold(d); 5661da177e4SLinus Torvalds return NULL; 5671da177e4SLinus Torvalds } 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds #define hci_dev_lock(d) spin_lock(&d->lock) 5701da177e4SLinus Torvalds #define hci_dev_unlock(d) spin_unlock(&d->lock) 5711da177e4SLinus Torvalds #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 5721da177e4SLinus Torvalds #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 5751da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 5781da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 5791da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 58059735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 5811da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 5821da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 5831da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 5841da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 5851da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 5861da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 5871da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 5881da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 5891da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 5901da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 5911da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 59240be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 5931da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 5941da177e4SLinus Torvalds 595f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 596f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 597b2a66aadSAntti Julku int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); 598b2a66aadSAntti Julku int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); 599f0358568SJohan Hedberg 6002aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6012aeb9a1aSJohan Hedberg 60255ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 60355ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 604d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 605d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 60675d262c2SVinicius Costa Gomes struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 60775d262c2SVinicius Costa Gomes struct link_key *hci_find_link_key_type(struct hci_dev *hdev, 60875d262c2SVinicius Costa Gomes bdaddr_t *bdaddr, u8 type); 60975d262c2SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 610726b4ffcSVinicius Costa Gomes u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]); 61155ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 61255ed8ca1SJohan Hedberg 6132763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6142763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6152763eda6SSzymon Janc bdaddr_t *bdaddr); 6162763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6172763eda6SSzymon Janc u8 *randomizer); 6182763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6192763eda6SSzymon Janc 62035815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 62176c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 62276c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 62376c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 62476c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 62576c8686fSAndre Guedes 626ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 627ab81cbf9SJohan Hedberg 6281da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6291da177e4SLinus Torvalds 63076bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 631ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 63299811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 633ef222013SMarcel Holtmann 6340ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 635ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 636ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 637a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 638b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 639b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6401da177e4SLinus Torvalds 641a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6421da177e4SLinus Torvalds 6431da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 64404837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 64504837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 64604837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 64704837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 6485b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 649769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 650e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 6516ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 6521da177e4SLinus Torvalds 653eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 654eead27daSAndre Guedes #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE) 655eead27daSAndre Guedes 6561da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 6571da177e4SLinus Torvalds struct hci_proto { 6581da177e4SLinus Torvalds char *name; 6591da177e4SLinus Torvalds unsigned int id; 6601da177e4SLinus Torvalds unsigned long flags; 6611da177e4SLinus Torvalds 6621da177e4SLinus Torvalds void *priv; 6631da177e4SLinus Torvalds 6645a9d0a3fSWaldemar Rymarkiewicz int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, 6655a9d0a3fSWaldemar Rymarkiewicz __u8 type); 6661da177e4SLinus Torvalds int (*connect_cfm) (struct hci_conn *conn, __u8 status); 6672950f21aSMarcel Holtmann int (*disconn_ind) (struct hci_conn *conn); 6682950f21aSMarcel Holtmann int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 6695a9d0a3fSWaldemar Rymarkiewicz int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, 6705a9d0a3fSWaldemar Rymarkiewicz __u16 flags); 6711da177e4SLinus Torvalds int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 6725a9d0a3fSWaldemar Rymarkiewicz int (*security_cfm) (struct hci_conn *conn, __u8 status, 6735a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 6741da177e4SLinus Torvalds }; 6751da177e4SLinus Torvalds 6765a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 6775a9d0a3fSWaldemar Rymarkiewicz __u8 type) 6781da177e4SLinus Torvalds { 6791da177e4SLinus Torvalds register struct hci_proto *hp; 6801da177e4SLinus Torvalds int mask = 0; 6811da177e4SLinus Torvalds 6821da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6831da177e4SLinus Torvalds if (hp && hp->connect_ind) 6841da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6851da177e4SLinus Torvalds 6861da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 6871da177e4SLinus Torvalds if (hp && hp->connect_ind) 6881da177e4SLinus Torvalds mask |= hp->connect_ind(hdev, bdaddr, type); 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds return mask; 6911da177e4SLinus Torvalds } 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 6941da177e4SLinus Torvalds { 6951da177e4SLinus Torvalds register struct hci_proto *hp; 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 6981da177e4SLinus Torvalds if (hp && hp->connect_cfm) 6991da177e4SLinus Torvalds hp->connect_cfm(conn, status); 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7021da177e4SLinus Torvalds if (hp && hp->connect_cfm) 7031da177e4SLinus Torvalds hp->connect_cfm(conn, status); 704e9a416b5SJohan Hedberg 705e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 706e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7071da177e4SLinus Torvalds } 7081da177e4SLinus Torvalds 7092950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7102950f21aSMarcel Holtmann { 7112950f21aSMarcel Holtmann register struct hci_proto *hp; 7129f5a0d7bSAndrei Emeltchenko int reason = HCI_ERROR_REMOTE_USER_TERM; 7132950f21aSMarcel Holtmann 7142950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_L2CAP]; 7152950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 7162950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 7172950f21aSMarcel Holtmann 7182950f21aSMarcel Holtmann hp = hci_proto[HCI_PROTO_SCO]; 7192950f21aSMarcel Holtmann if (hp && hp->disconn_ind) 7202950f21aSMarcel Holtmann reason = hp->disconn_ind(conn); 7212950f21aSMarcel Holtmann 7222950f21aSMarcel Holtmann return reason; 7232950f21aSMarcel Holtmann } 7242950f21aSMarcel Holtmann 7252950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7261da177e4SLinus Torvalds { 7271da177e4SLinus Torvalds register struct hci_proto *hp; 7281da177e4SLinus Torvalds 7291da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7302950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7312950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 7321da177e4SLinus Torvalds 7331da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7342950f21aSMarcel Holtmann if (hp && hp->disconn_cfm) 7352950f21aSMarcel Holtmann hp->disconn_cfm(conn, reason); 736e9a416b5SJohan Hedberg 737e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 738e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7421da177e4SLinus Torvalds { 7431da177e4SLinus Torvalds register struct hci_proto *hp; 7448c1b2355SMarcel Holtmann __u8 encrypt; 7458c1b2355SMarcel Holtmann 7468c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 7478c1b2355SMarcel Holtmann return; 7488c1b2355SMarcel Holtmann 7498c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 7501da177e4SLinus Torvalds 7511da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7528c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7538c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7568c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7578c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 758e9a416b5SJohan Hedberg 759e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 760e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7611da177e4SLinus Torvalds } 7621da177e4SLinus Torvalds 7635a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 7645a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7651da177e4SLinus Torvalds { 7661da177e4SLinus Torvalds register struct hci_proto *hp; 7671da177e4SLinus Torvalds 7681da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_L2CAP]; 7698c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7708c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 7711da177e4SLinus Torvalds 7721da177e4SLinus Torvalds hp = hci_proto[HCI_PROTO_SCO]; 7738c1b2355SMarcel Holtmann if (hp && hp->security_cfm) 7748c1b2355SMarcel Holtmann hp->security_cfm(conn, status, encrypt); 775e9a416b5SJohan Hedberg 776e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 777e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7781da177e4SLinus Torvalds } 7791da177e4SLinus Torvalds 7801da177e4SLinus Torvalds int hci_register_proto(struct hci_proto *hproto); 7811da177e4SLinus Torvalds int hci_unregister_proto(struct hci_proto *hproto); 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 7841da177e4SLinus Torvalds struct hci_cb { 7851da177e4SLinus Torvalds struct list_head list; 7861da177e4SLinus Torvalds 7871da177e4SLinus Torvalds char *name; 7881da177e4SLinus Torvalds 7895a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 7905a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 7911da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 7921da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 7931da177e4SLinus Torvalds }; 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 7961da177e4SLinus Torvalds { 7971da177e4SLinus Torvalds struct list_head *p; 7988c1b2355SMarcel Holtmann __u8 encrypt; 7991da177e4SLinus Torvalds 8001da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8011da177e4SLinus Torvalds 8028c1b2355SMarcel Holtmann if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 8038c1b2355SMarcel Holtmann return; 8048c1b2355SMarcel Holtmann 8058c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8068c1b2355SMarcel Holtmann 8071da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8081da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8091da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8108c1b2355SMarcel Holtmann if (cb->security_cfm) 8118c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8121da177e4SLinus Torvalds } 8131da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8141da177e4SLinus Torvalds } 8151da177e4SLinus Torvalds 8165a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8175a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8181da177e4SLinus Torvalds { 8191da177e4SLinus Torvalds struct list_head *p; 8201da177e4SLinus Torvalds 821435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 822435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 823435fef20SMarcel Holtmann 82488167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 82588167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 82688167aedSVinicius Costa Gomes 8279719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8281da177e4SLinus Torvalds 8291da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8301da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8311da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8328c1b2355SMarcel Holtmann if (cb->security_cfm) 8338c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8341da177e4SLinus Torvalds } 8351da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8361da177e4SLinus Torvalds } 8371da177e4SLinus Torvalds 8381da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8391da177e4SLinus Torvalds { 8401da177e4SLinus Torvalds struct list_head *p; 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8431da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8441da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8451da177e4SLinus Torvalds if (cb->key_change_cfm) 8461da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8471da177e4SLinus Torvalds } 8481da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8491da177e4SLinus Torvalds } 8501da177e4SLinus Torvalds 8515a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8525a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8531da177e4SLinus Torvalds { 8541da177e4SLinus Torvalds struct list_head *p; 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds read_lock_bh(&hci_cb_list_lock); 8571da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8581da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8591da177e4SLinus Torvalds if (cb->role_switch_cfm) 8601da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8611da177e4SLinus Torvalds } 8621da177e4SLinus Torvalds read_unlock_bh(&hci_cb_list_lock); 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 8661da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 8671da177e4SLinus Torvalds 8681da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 8691da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 8701da177e4SLinus Torvalds 871a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 87273d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 8730d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 8741da177e4SLinus Torvalds 875a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 880eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 881eec8d2bcSJohan Hedberg struct sock *skip_sk); 8821da177e4SLinus Torvalds 8830381101fSJohan Hedberg /* Management interface */ 8840381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 885744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 886744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 887744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 888744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 889744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 890744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 891744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 892744cf19eSJohan Hedberg u8 persistent); 89348264f06SJohan Hedberg int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 89448264f06SJohan Hedberg u8 addr_type); 89548264f06SJohan Hedberg int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 89648264f06SJohan Hedberg u8 addr_type); 89737d9ef76SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); 89848264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 89948264f06SJohan Hedberg u8 addr_type, u8 status); 900744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 901744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 902c35938b2SSzymon Janc u8 status); 903744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 904744cf19eSJohan Hedberg u8 status); 905744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 906744cf19eSJohan Hedberg __le32 value, u8 confirm_hint); 907744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 908744cf19eSJohan Hedberg u8 status); 909744cf19eSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, 910744cf19eSJohan Hedberg bdaddr_t *bdaddr, u8 status); 911604086b7SBrian Gix int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr); 912604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 913604086b7SBrian Gix u8 status); 914604086b7SBrian Gix int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, 915604086b7SBrian Gix bdaddr_t *bdaddr, u8 status); 916744cf19eSJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); 917744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 918744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 919744cf19eSJohan Hedberg u8 *randomizer, u8 status); 92048264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 92148264f06SJohan Hedberg u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir); 922744cf19eSJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name); 9237a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 924e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 925744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 926744cf19eSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 927744cf19eSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 9280381101fSJohan Hedberg 9291da177e4SLinus Torvalds /* HCI info for socket */ 9301da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvalds struct hci_pinfo { 9331da177e4SLinus Torvalds struct bt_sock bt; 9341da177e4SLinus Torvalds struct hci_dev *hdev; 9351da177e4SLinus Torvalds struct hci_filter filter; 9361da177e4SLinus Torvalds __u32 cmsg_mask; 937c02178d2SJohan Hedberg unsigned short channel; 9381da177e4SLinus Torvalds }; 9391da177e4SLinus Torvalds 9401da177e4SLinus Torvalds /* HCI security filter */ 9411da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 9421da177e4SLinus Torvalds 9431da177e4SLinus Torvalds struct hci_sec_filter { 9441da177e4SLinus Torvalds __u32 type_mask; 9451da177e4SLinus Torvalds __u32 event_mask[2]; 9461da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 9471da177e4SLinus Torvalds }; 9481da177e4SLinus Torvalds 9491da177e4SLinus Torvalds /* ----- HCI requests ----- */ 9501da177e4SLinus Torvalds #define HCI_REQ_DONE 0 9511da177e4SLinus Torvalds #define HCI_REQ_PEND 1 9521da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 9531da177e4SLinus Torvalds 954a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 955a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 9561da177e4SLinus Torvalds 95723bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 9581da177e4SLinus Torvalds 9592ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 9602ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 961a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 962a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 963a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 964a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 965a7a595f6SVinicius Costa Gomes 9662519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 967023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 9682519a1fcSAndre Guedes 9691da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 970