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 315e59b791SLuiz Augusto von Dentz /* HCI priority */ 325e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 335e59b791SLuiz Augusto von Dentz 341da177e4SLinus Torvalds /* HCI Core structures */ 351da177e4SLinus Torvalds struct inquiry_data { 361da177e4SLinus Torvalds bdaddr_t bdaddr; 371da177e4SLinus Torvalds __u8 pscan_rep_mode; 381da177e4SLinus Torvalds __u8 pscan_period_mode; 391da177e4SLinus Torvalds __u8 pscan_mode; 401da177e4SLinus Torvalds __u8 dev_class[3]; 411ebb9252SMarcel Holtmann __le16 clock_offset; 421da177e4SLinus Torvalds __s8 rssi; 4341a96212SMarcel Holtmann __u8 ssp_mode; 441da177e4SLinus Torvalds }; 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds struct inquiry_entry { 47561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 48561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 49561aafbcSJohan Hedberg enum { 50561aafbcSJohan Hedberg NAME_NOT_KNOWN, 51561aafbcSJohan Hedberg NAME_NEEDED, 52561aafbcSJohan Hedberg NAME_PENDING, 53561aafbcSJohan Hedberg NAME_KNOWN, 54561aafbcSJohan Hedberg } name_state; 551da177e4SLinus Torvalds __u32 timestamp; 561da177e4SLinus Torvalds struct inquiry_data data; 571da177e4SLinus Torvalds }; 581da177e4SLinus Torvalds 5930883512SJohan Hedberg struct discovery_state { 60ff9ef578SJohan Hedberg enum { 61ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 62ff9ef578SJohan Hedberg DISCOVERY_STARTING, 6330dc78e1SJohan Hedberg DISCOVERY_INQUIRY, 6430dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 65ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 66ff9ef578SJohan Hedberg } state; 67561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 68561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 69561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 701da177e4SLinus Torvalds __u32 timestamp; 711da177e4SLinus Torvalds }; 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds struct hci_conn_hash { 741da177e4SLinus Torvalds struct list_head list; 751da177e4SLinus Torvalds unsigned int acl_num; 761da177e4SLinus Torvalds unsigned int sco_num; 77fcd89c09SVille Tervo unsigned int le_num; 781da177e4SLinus Torvalds }; 791da177e4SLinus Torvalds 80f0358568SJohan Hedberg struct bdaddr_list { 81f0358568SJohan Hedberg struct list_head list; 82f0358568SJohan Hedberg bdaddr_t bdaddr; 83f0358568SJohan Hedberg }; 842aeb9a1aSJohan Hedberg 852aeb9a1aSJohan Hedberg struct bt_uuid { 862aeb9a1aSJohan Hedberg struct list_head list; 872aeb9a1aSJohan Hedberg u8 uuid[16]; 881aff6f09SJohan Hedberg u8 svc_hint; 892aeb9a1aSJohan Hedberg }; 902aeb9a1aSJohan Hedberg 9134918cd7SVinicius Costa Gomes struct key_master_id { 9234918cd7SVinicius Costa Gomes __le16 ediv; 9334918cd7SVinicius Costa Gomes u8 rand[8]; 9434918cd7SVinicius Costa Gomes } __packed; 9534918cd7SVinicius Costa Gomes 9634918cd7SVinicius Costa Gomes struct link_key_data { 9734918cd7SVinicius Costa Gomes bdaddr_t bdaddr; 9834918cd7SVinicius Costa Gomes u8 type; 9934918cd7SVinicius Costa Gomes u8 val[16]; 10034918cd7SVinicius Costa Gomes u8 pin_len; 10134918cd7SVinicius Costa Gomes u8 dlen; 10234918cd7SVinicius Costa Gomes u8 data[0]; 10334918cd7SVinicius Costa Gomes } __packed; 10434918cd7SVinicius Costa Gomes 10555ed8ca1SJohan Hedberg struct link_key { 10655ed8ca1SJohan Hedberg struct list_head list; 10755ed8ca1SJohan Hedberg bdaddr_t bdaddr; 10855ed8ca1SJohan Hedberg u8 type; 10955ed8ca1SJohan Hedberg u8 val[16]; 11055ed8ca1SJohan Hedberg u8 pin_len; 11134918cd7SVinicius Costa Gomes u8 dlen; 11234918cd7SVinicius Costa Gomes u8 data[0]; 11355ed8ca1SJohan Hedberg }; 11455ed8ca1SJohan Hedberg 1152763eda6SSzymon Janc struct oob_data { 1162763eda6SSzymon Janc struct list_head list; 1172763eda6SSzymon Janc bdaddr_t bdaddr; 1182763eda6SSzymon Janc u8 hash[16]; 1192763eda6SSzymon Janc u8 randomizer[16]; 1202763eda6SSzymon Janc }; 1212763eda6SSzymon Janc 12276c8686fSAndre Guedes struct adv_entry { 12376c8686fSAndre Guedes struct list_head list; 12476c8686fSAndre Guedes bdaddr_t bdaddr; 12576c8686fSAndre Guedes u8 bdaddr_type; 12676c8686fSAndre Guedes }; 12776c8686fSAndre Guedes 128cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1291da177e4SLinus Torvalds struct hci_dev { 1301da177e4SLinus Torvalds struct list_head list; 13109fd0de5SGustavo F. Padovan struct mutex lock; 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds char name[8]; 1341da177e4SLinus Torvalds unsigned long flags; 1351da177e4SLinus Torvalds __u16 id; 136c13854ceSMarcel Holtmann __u8 bus; 137943da25dSMarcel Holtmann __u8 dev_type; 1381da177e4SLinus Torvalds bdaddr_t bdaddr; 1391f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 14080a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 141a9de9248SMarcel Holtmann __u8 dev_class[3]; 1421aff6f09SJohan Hedberg __u8 major_class; 1431aff6f09SJohan Hedberg __u8 minor_class; 1441da177e4SLinus Torvalds __u8 features[8]; 14559e29406SAndre Guedes __u8 host_features[8]; 146a9de9248SMarcel Holtmann __u8 commands[64]; 147333140b5SMarcel Holtmann __u8 ssp_mode; 1481143e5a6SMarcel Holtmann __u8 hci_ver; 1491143e5a6SMarcel Holtmann __u16 hci_rev; 150d5859e22SJohan Hedberg __u8 lmp_ver; 1511143e5a6SMarcel Holtmann __u16 manufacturer; 152d5859e22SJohan Hedberg __le16 lmp_subver; 1531da177e4SLinus Torvalds __u16 voice_setting; 15417fa4b9dSJohan Hedberg __u8 io_capability; 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds __u16 pkt_type; 1575b7f9909SMarcel Holtmann __u16 esco_type; 1581da177e4SLinus Torvalds __u16 link_policy; 1591da177e4SLinus Torvalds __u16 link_mode; 1601da177e4SLinus Torvalds 16104837f64SMarcel Holtmann __u32 idle_timeout; 16204837f64SMarcel Holtmann __u16 sniff_min_interval; 16304837f64SMarcel Holtmann __u16 sniff_max_interval; 16404837f64SMarcel Holtmann 165928abaa7SAndrei Emeltchenko __u8 amp_status; 166928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 167928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 168928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 169928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 170928abaa7SAndrei Emeltchenko __u8 amp_type; 171928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 172928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 173928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 174928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 175928abaa7SAndrei Emeltchenko 1761e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 1771e89cffbSAndrei Emeltchenko 1789f61656aSJohan Hedberg unsigned int auto_accept_delay; 1799f61656aSJohan Hedberg 1801da177e4SLinus Torvalds unsigned long quirks; 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds atomic_t cmd_cnt; 1831da177e4SLinus Torvalds unsigned int acl_cnt; 1841da177e4SLinus Torvalds unsigned int sco_cnt; 1856ed58ec5SVille Tervo unsigned int le_cnt; 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds unsigned int acl_mtu; 1881da177e4SLinus Torvalds unsigned int sco_mtu; 1896ed58ec5SVille Tervo unsigned int le_mtu; 1901da177e4SLinus Torvalds unsigned int acl_pkts; 1911da177e4SLinus Torvalds unsigned int sco_pkts; 1926ed58ec5SVille Tervo unsigned int le_pkts; 1931da177e4SLinus Torvalds 194350ee4cfSAndrei Emeltchenko __u16 block_len; 195350ee4cfSAndrei Emeltchenko __u16 block_mtu; 196350ee4cfSAndrei Emeltchenko __u16 num_blocks; 197350ee4cfSAndrei Emeltchenko __u16 block_cnt; 198350ee4cfSAndrei Emeltchenko 1991da177e4SLinus Torvalds unsigned long acl_last_tx; 2001da177e4SLinus Torvalds unsigned long sco_last_tx; 2016ed58ec5SVille Tervo unsigned long le_last_tx; 2021da177e4SLinus Torvalds 203f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 204f48fd9c8SMarcel Holtmann 205ab81cbf9SJohan Hedberg struct work_struct power_on; 2063243553fSJohan Hedberg struct delayed_work power_off; 207ab81cbf9SJohan Hedberg 20816ab91abSJohan Hedberg __u16 discov_timeout; 20916ab91abSJohan Hedberg struct delayed_work discov_off; 21016ab91abSJohan Hedberg 2117d78525dSJohan Hedberg struct delayed_work service_cache; 2127d78525dSJohan Hedberg 2136bd32326SVille Tervo struct timer_list cmd_timer; 214b78752ccSMarcel Holtmann 215b78752ccSMarcel Holtmann struct work_struct rx_work; 216c347b765SGustavo F. Padovan struct work_struct cmd_work; 2173eff45eaSGustavo F. Padovan struct work_struct tx_work; 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds struct sk_buff_head rx_q; 2201da177e4SLinus Torvalds struct sk_buff_head raw_q; 2211da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds struct sk_buff *sent_cmd; 224cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2251da177e4SLinus Torvalds 226a6a67efdSThomas Gleixner struct mutex req_lock; 2271da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2281da177e4SLinus Torvalds __u32 req_status; 2291da177e4SLinus Torvalds __u32 req_result; 230a5040efaSJohan Hedberg 231a5040efaSJohan Hedberg __u16 init_last_cmd; 2321da177e4SLinus Torvalds 2332e58ef3eSJohan Hedberg struct list_head mgmt_pending; 2342e58ef3eSJohan Hedberg 23530883512SJohan Hedberg struct discovery_state discovery; 2361da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 237ea4bd8baSDavid Miller struct list_head blacklist; 2381da177e4SLinus Torvalds 2392aeb9a1aSJohan Hedberg struct list_head uuids; 2402aeb9a1aSJohan Hedberg 24155ed8ca1SJohan Hedberg struct list_head link_keys; 24255ed8ca1SJohan Hedberg 2432763eda6SSzymon Janc struct list_head remote_oob_data; 2442763eda6SSzymon Janc 24576c8686fSAndre Guedes struct list_head adv_entries; 246db323f2fSGustavo F. Padovan struct delayed_work adv_work; 24776c8686fSAndre Guedes 2481da177e4SLinus Torvalds struct hci_dev_stats stat; 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds struct sk_buff_head driver_init; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds void *driver_data; 2531da177e4SLinus Torvalds void *core_data; 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds atomic_t promisc; 2561da177e4SLinus Torvalds 257ca325f69SMarcel Holtmann struct dentry *debugfs; 258ca325f69SMarcel Holtmann 259a91f2e39SMarcel Holtmann struct device *parent; 260a91f2e39SMarcel Holtmann struct device dev; 2611da177e4SLinus Torvalds 262611b30f7SMarcel Holtmann struct rfkill *rfkill; 263611b30f7SMarcel Holtmann 264d23264a8SAndre Guedes unsigned long dev_flags; 265d23264a8SAndre Guedes 2661da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 2671da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 2681da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 2691da177e4SLinus Torvalds int (*send)(struct sk_buff *skb); 2701da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 2711da177e4SLinus Torvalds int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 2721da177e4SLinus Torvalds }; 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds struct hci_conn { 2751da177e4SLinus Torvalds struct list_head list; 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds atomic_t refcnt; 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds bdaddr_t dst; 28029b7988aSAndre Guedes __u8 dst_type; 2811da177e4SLinus Torvalds __u16 handle; 2821da177e4SLinus Torvalds __u16 state; 28304837f64SMarcel Holtmann __u8 mode; 2841da177e4SLinus Torvalds __u8 type; 285a0c808b3SJohan Hedberg bool out; 2864c67bc74SMarcel Holtmann __u8 attempt; 2871da177e4SLinus Torvalds __u8 dev_class[3]; 28804837f64SMarcel Holtmann __u8 features[8]; 28904837f64SMarcel Holtmann __u16 interval; 290a8746417SMarcel Holtmann __u16 pkt_type; 29104837f64SMarcel Holtmann __u16 link_policy; 2921da177e4SLinus Torvalds __u32 link_mode; 29313d39315SWaldemar Rymarkiewicz __u8 key_type; 29440be492fSMarcel Holtmann __u8 auth_type; 2958c1b2355SMarcel Holtmann __u8 sec_level; 296765c2a96SJohan Hedberg __u8 pending_sec_level; 297980e1a53SJohan Hedberg __u8 pin_length; 298726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 29917fa4b9dSJohan Hedberg __u8 io_capability; 300052b30b0SMarcel Holtmann __u16 disc_timeout; 30151a8efd7SJohan Hedberg unsigned long flags; 3021da177e4SLinus Torvalds 30303b555e1SJohan Hedberg __u8 remote_cap; 30403b555e1SJohan Hedberg __u8 remote_auth; 30503b555e1SJohan Hedberg 3061da177e4SLinus Torvalds unsigned int sent; 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds struct sk_buff_head data_q; 3092c33c06aSGustavo F. Padovan struct list_head chan_list; 3101da177e4SLinus Torvalds 31119c40e3bSGustavo F. Padovan struct delayed_work disc_work; 31204837f64SMarcel Holtmann struct timer_list idle_timer; 3139f61656aSJohan Hedberg struct timer_list auto_accept_timer; 3141da177e4SLinus Torvalds 315b219e3acSMarcel Holtmann struct device dev; 3169eba32b8SMarcel Holtmann atomic_t devref; 317b219e3acSMarcel Holtmann 3181da177e4SLinus Torvalds struct hci_dev *hdev; 3191da177e4SLinus Torvalds void *l2cap_data; 3201da177e4SLinus Torvalds void *sco_data; 3212b64d153SBrian Gix void *smp_conn; 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds struct hci_conn *link; 324e9a416b5SJohan Hedberg 325e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 326e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 327e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3281da177e4SLinus Torvalds }; 3291da177e4SLinus Torvalds 33073d80debSLuiz Augusto von Dentz struct hci_chan { 33173d80debSLuiz Augusto von Dentz struct list_head list; 33273d80debSLuiz Augusto von Dentz 33373d80debSLuiz Augusto von Dentz struct hci_conn *conn; 33473d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 33573d80debSLuiz Augusto von Dentz unsigned int sent; 33673d80debSLuiz Augusto von Dentz }; 33773d80debSLuiz Augusto von Dentz 3381da177e4SLinus Torvalds extern struct list_head hci_dev_list; 3391da177e4SLinus Torvalds extern struct list_head hci_cb_list; 3401da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 3411da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 3421da177e4SLinus Torvalds 343686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 344686ebf28SUlisses Furquim extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 345686ebf28SUlisses Furquim extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 346686ebf28SUlisses Furquim extern int l2cap_disconn_ind(struct hci_conn *hcon); 347686ebf28SUlisses Furquim extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 348686ebf28SUlisses Furquim extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 349686ebf28SUlisses Furquim extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 350686ebf28SUlisses Furquim 351686ebf28SUlisses Furquim extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 352686ebf28SUlisses Furquim extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); 353686ebf28SUlisses Furquim extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 354686ebf28SUlisses Furquim extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 355686ebf28SUlisses Furquim 3561da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 35770f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 35870f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 3591da177e4SLinus Torvalds 36030883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 3611da177e4SLinus Torvalds { 362ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 36330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 36430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 36530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 3661da177e4SLinus Torvalds } 3671da177e4SLinus Torvalds 36830dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 36930dc78e1SJohan Hedberg 370ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 371ff9ef578SJohan Hedberg 3721da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 3731da177e4SLinus Torvalds { 37430883512SJohan Hedberg return list_empty(&hdev->discovery.all); 3751da177e4SLinus Torvalds } 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 3781da177e4SLinus Torvalds { 37930883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 3801da177e4SLinus Torvalds return jiffies - c->timestamp; 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds return jiffies - e->timestamp; 3861da177e4SLinus Torvalds } 3871da177e4SLinus Torvalds 3885a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 3895a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 390561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 391561aafbcSJohan Hedberg bdaddr_t *bdaddr); 39230dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 39330dc78e1SJohan Hedberg bdaddr_t *bdaddr, 39430dc78e1SJohan Hedberg int state); 395a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 396a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 3973175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 398561aafbcSJohan Hedberg bool name_known); 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4011da177e4SLinus Torvalds enum { 4021da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 40319f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4041da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 40504837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 40604837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 407e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 408d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 409b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 41058a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 41158a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 41258a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 4131da177e4SLinus Torvalds }; 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds static inline void hci_conn_hash_init(struct hci_dev *hdev) 4161da177e4SLinus Torvalds { 4171da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4181da177e4SLinus Torvalds INIT_LIST_HEAD(&h->list); 4191da177e4SLinus Torvalds h->acl_num = 0; 4201da177e4SLinus Torvalds h->sco_num = 0; 421dc8ed672SGustavo F. Padovan h->le_num = 0; 4221da177e4SLinus Torvalds } 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4251da177e4SLinus Torvalds { 4261da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 427bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 428fcd89c09SVille Tervo switch (c->type) { 429fcd89c09SVille Tervo case ACL_LINK: 4301da177e4SLinus Torvalds h->acl_num++; 431fcd89c09SVille Tervo break; 432fcd89c09SVille Tervo case LE_LINK: 433fcd89c09SVille Tervo h->le_num++; 434fcd89c09SVille Tervo break; 435fcd89c09SVille Tervo case SCO_LINK: 436fcd89c09SVille Tervo case ESCO_LINK: 4371da177e4SLinus Torvalds h->sco_num++; 438fcd89c09SVille Tervo break; 439fcd89c09SVille Tervo } 4401da177e4SLinus Torvalds } 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 4431da177e4SLinus Torvalds { 4441da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 445bf4c6325SGustavo F. Padovan 446bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 447bf4c6325SGustavo F. Padovan synchronize_rcu(); 448bf4c6325SGustavo F. Padovan 449fcd89c09SVille Tervo switch (c->type) { 450fcd89c09SVille Tervo case ACL_LINK: 4511da177e4SLinus Torvalds h->acl_num--; 452fcd89c09SVille Tervo break; 453fcd89c09SVille Tervo case LE_LINK: 454fcd89c09SVille Tervo h->le_num--; 455fcd89c09SVille Tervo break; 456fcd89c09SVille Tervo case SCO_LINK: 457fcd89c09SVille Tervo case ESCO_LINK: 4581da177e4SLinus Torvalds h->sco_num--; 459fcd89c09SVille Tervo break; 460fcd89c09SVille Tervo } 4611da177e4SLinus Torvalds } 4621da177e4SLinus Torvalds 46352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 46452087a79SLuiz Augusto von Dentz { 46552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 46652087a79SLuiz Augusto von Dentz switch (type) { 46752087a79SLuiz Augusto von Dentz case ACL_LINK: 46852087a79SLuiz Augusto von Dentz return h->acl_num; 46952087a79SLuiz Augusto von Dentz case LE_LINK: 47052087a79SLuiz Augusto von Dentz return h->le_num; 47152087a79SLuiz Augusto von Dentz case SCO_LINK: 47252087a79SLuiz Augusto von Dentz case ESCO_LINK: 47352087a79SLuiz Augusto von Dentz return h->sco_num; 47452087a79SLuiz Augusto von Dentz default: 47552087a79SLuiz Augusto von Dentz return 0; 47652087a79SLuiz Augusto von Dentz } 47752087a79SLuiz Augusto von Dentz } 47852087a79SLuiz Augusto von Dentz 4791da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 4801da177e4SLinus Torvalds __u16 handle) 4811da177e4SLinus Torvalds { 4821da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 4831da177e4SLinus Torvalds struct hci_conn *c; 4841da177e4SLinus Torvalds 485bf4c6325SGustavo F. Padovan rcu_read_lock(); 486bf4c6325SGustavo F. Padovan 487bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 488bf4c6325SGustavo F. Padovan if (c->handle == handle) { 489bf4c6325SGustavo F. Padovan rcu_read_unlock(); 4901da177e4SLinus Torvalds return c; 4911da177e4SLinus Torvalds } 492bf4c6325SGustavo F. Padovan } 493bf4c6325SGustavo F. Padovan rcu_read_unlock(); 494bf4c6325SGustavo F. Padovan 4951da177e4SLinus Torvalds return NULL; 4961da177e4SLinus Torvalds } 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 4991da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5001da177e4SLinus Torvalds { 5011da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5021da177e4SLinus Torvalds struct hci_conn *c; 5031da177e4SLinus Torvalds 504bf4c6325SGustavo F. Padovan rcu_read_lock(); 505bf4c6325SGustavo F. Padovan 506bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 507bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 508bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5091da177e4SLinus Torvalds return c; 5101da177e4SLinus Torvalds } 511bf4c6325SGustavo F. Padovan } 512bf4c6325SGustavo F. Padovan 513bf4c6325SGustavo F. Padovan rcu_read_unlock(); 514bf4c6325SGustavo F. Padovan 5151da177e4SLinus Torvalds return NULL; 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5184c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5194c67bc74SMarcel Holtmann __u8 type, __u16 state) 5204c67bc74SMarcel Holtmann { 5214c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 5224c67bc74SMarcel Holtmann struct hci_conn *c; 5234c67bc74SMarcel Holtmann 524bf4c6325SGustavo F. Padovan rcu_read_lock(); 525bf4c6325SGustavo F. Padovan 526bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 527bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 528bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5294c67bc74SMarcel Holtmann return c; 5304c67bc74SMarcel Holtmann } 531bf4c6325SGustavo F. Padovan } 532bf4c6325SGustavo F. Padovan 533bf4c6325SGustavo F. Padovan rcu_read_unlock(); 534bf4c6325SGustavo F. Padovan 5354c67bc74SMarcel Holtmann return NULL; 5364c67bc74SMarcel Holtmann } 5374c67bc74SMarcel Holtmann 5384c67bc74SMarcel Holtmann void hci_acl_connect(struct hci_conn *conn); 5391da177e4SLinus Torvalds void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 5401da177e4SLinus Torvalds void hci_add_sco(struct hci_conn *conn, __u16 handle); 541b6a0dc82SMarcel Holtmann void hci_setup_sync(struct hci_conn *conn, __u16 handle); 542e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 5451da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 5461da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 547a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 5481da177e4SLinus Torvalds 54973d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 55073d80debSLuiz Augusto von Dentz int hci_chan_del(struct hci_chan *chan); 5512c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 55273d80debSLuiz Augusto von Dentz 5535a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 5545a9d0a3fSWaldemar Rymarkiewicz __u8 sec_level, __u8 auth_type); 555e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 556b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 5570684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 5581da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 5598c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 5601da177e4SLinus Torvalds 56114b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 5621da177e4SLinus Torvalds 5639eba32b8SMarcel Holtmann void hci_conn_hold_device(struct hci_conn *conn); 5649eba32b8SMarcel Holtmann void hci_conn_put_device(struct hci_conn *conn); 5659eba32b8SMarcel Holtmann 5661da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 5671da177e4SLinus Torvalds { 5681da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 56919c40e3bSGustavo F. Padovan cancel_delayed_work_sync(&conn->disc_work); 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds static inline void hci_conn_put(struct hci_conn *conn) 5731da177e4SLinus Torvalds { 5741da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 57504837f64SMarcel Holtmann unsigned long timeo; 576454d48ffSVinicius Costa Gomes if (conn->type == ACL_LINK || conn->type == LE_LINK) { 5776ac59344SMarcel Holtmann del_timer(&conn->idle_timer); 5786ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 579052b30b0SMarcel Holtmann timeo = msecs_to_jiffies(conn->disc_timeout); 58004837f64SMarcel Holtmann if (!conn->out) 581052b30b0SMarcel Holtmann timeo *= 2; 5825a9d0a3fSWaldemar Rymarkiewicz } else { 5836ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 5845a9d0a3fSWaldemar Rymarkiewicz } 5855a9d0a3fSWaldemar Rymarkiewicz } else { 58604837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 5875a9d0a3fSWaldemar Rymarkiewicz } 58819c40e3bSGustavo F. Padovan cancel_delayed_work_sync(&conn->disc_work); 58919c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 5901931782bSVinicius Costa Gomes &conn->disc_work, timeo); 5911da177e4SLinus Torvalds } 5921da177e4SLinus Torvalds } 5931da177e4SLinus Torvalds 5941da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 595dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 5961da177e4SLinus Torvalds { 5974c724c71SDavid Herrmann put_device(&d->dev); 598010666a1SDavid Herrmann } 5991da177e4SLinus Torvalds 600dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 6011da177e4SLinus Torvalds { 6024c724c71SDavid Herrmann get_device(&d->dev); 6031da177e4SLinus Torvalds return d; 6041da177e4SLinus Torvalds } 6051da177e4SLinus Torvalds 60609fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 60709fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 6081da177e4SLinus Torvalds 6091da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 6101da177e4SLinus Torvalds struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 6111da177e4SLinus Torvalds 6121da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 6131da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 6141da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 61559735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 6161da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 6171da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 6181da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 6191da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 6201da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 6211da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 6221da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 6231da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 6241da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 6251da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 6261da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 62740be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 6281da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 6291da177e4SLinus Torvalds 630f0358568SJohan Hedberg struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 631f0358568SJohan Hedberg int hci_blacklist_clear(struct hci_dev *hdev); 632b2a66aadSAntti Julku int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); 633b2a66aadSAntti Julku int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); 634f0358568SJohan Hedberg 6352aeb9a1aSJohan Hedberg int hci_uuids_clear(struct hci_dev *hdev); 6362aeb9a1aSJohan Hedberg 63755ed8ca1SJohan Hedberg int hci_link_keys_clear(struct hci_dev *hdev); 63855ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 639d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 640d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 64175d262c2SVinicius Costa Gomes struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); 64275d262c2SVinicius Costa Gomes struct link_key *hci_find_link_key_type(struct hci_dev *hdev, 64375d262c2SVinicius Costa Gomes bdaddr_t *bdaddr, u8 type); 64475d262c2SVinicius Costa Gomes int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, 645726b4ffcSVinicius Costa Gomes u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]); 64655ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 64755ed8ca1SJohan Hedberg 6482763eda6SSzymon Janc int hci_remote_oob_data_clear(struct hci_dev *hdev); 6492763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 6502763eda6SSzymon Janc bdaddr_t *bdaddr); 6512763eda6SSzymon Janc int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, 6522763eda6SSzymon Janc u8 *randomizer); 6532763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 6542763eda6SSzymon Janc 65535815085SAndre Guedes #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ 65676c8686fSAndre Guedes int hci_adv_entries_clear(struct hci_dev *hdev); 65776c8686fSAndre Guedes struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); 65876c8686fSAndre Guedes int hci_add_adv_entry(struct hci_dev *hdev, 65976c8686fSAndre Guedes struct hci_ev_le_advertising_info *ev); 66076c8686fSAndre Guedes 661ab81cbf9SJohan Hedberg void hci_del_off_timer(struct hci_dev *hdev); 662ab81cbf9SJohan Hedberg 6631da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 6641da177e4SLinus Torvalds 66576bca880SMarcel Holtmann int hci_recv_frame(struct sk_buff *skb); 666ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 66799811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 668ef222013SMarcel Holtmann 6690ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 670ce242970SDavid Herrmann int hci_add_sysfs(struct hci_dev *hdev); 671ce242970SDavid Herrmann void hci_del_sysfs(struct hci_dev *hdev); 672a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 673b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 674b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 6751da177e4SLinus Torvalds 676a91f2e39SMarcel Holtmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 6771da177e4SLinus Torvalds 6781da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 67904837f64SMarcel Holtmann #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 68004837f64SMarcel Holtmann #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 68104837f64SMarcel Holtmann #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 68204837f64SMarcel Holtmann #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 6835b7f9909SMarcel Holtmann #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 684769be974SMarcel Holtmann #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 685e702112fSAndrei Emeltchenko #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) 6866ed58ec5SVille Tervo #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) 6871da177e4SLinus Torvalds 688eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 68959e29406SAndre Guedes #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) 690eead27daSAndre Guedes 6911da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 6925a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 6935a9d0a3fSWaldemar Rymarkiewicz __u8 type) 6941da177e4SLinus Torvalds { 695686ebf28SUlisses Furquim switch (type) { 696686ebf28SUlisses Furquim case ACL_LINK: 697686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 6981da177e4SLinus Torvalds 699686ebf28SUlisses Furquim case SCO_LINK: 700686ebf28SUlisses Furquim case ESCO_LINK: 701686ebf28SUlisses Furquim return sco_connect_ind(hdev, bdaddr); 7021da177e4SLinus Torvalds 703686ebf28SUlisses Furquim default: 704686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 705686ebf28SUlisses Furquim return -EINVAL; 706686ebf28SUlisses Furquim } 7071da177e4SLinus Torvalds } 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 7101da177e4SLinus Torvalds { 711686ebf28SUlisses Furquim switch (conn->type) { 712686ebf28SUlisses Furquim case ACL_LINK: 713686ebf28SUlisses Furquim case LE_LINK: 714686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 715686ebf28SUlisses Furquim break; 7161da177e4SLinus Torvalds 717686ebf28SUlisses Furquim case SCO_LINK: 718686ebf28SUlisses Furquim case ESCO_LINK: 719686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 720686ebf28SUlisses Furquim break; 7211da177e4SLinus Torvalds 722686ebf28SUlisses Furquim default: 723686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 724686ebf28SUlisses Furquim break; 725686ebf28SUlisses Furquim } 726e9a416b5SJohan Hedberg 727e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 728e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 7291da177e4SLinus Torvalds } 7301da177e4SLinus Torvalds 7312950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 7322950f21aSMarcel Holtmann { 733686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 734686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 7352950f21aSMarcel Holtmann 736686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 7372950f21aSMarcel Holtmann } 7382950f21aSMarcel Holtmann 7392950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 7401da177e4SLinus Torvalds { 741686ebf28SUlisses Furquim switch (conn->type) { 742686ebf28SUlisses Furquim case ACL_LINK: 743686ebf28SUlisses Furquim case LE_LINK: 744686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 745686ebf28SUlisses Furquim break; 7461da177e4SLinus Torvalds 747686ebf28SUlisses Furquim case SCO_LINK: 748686ebf28SUlisses Furquim case ESCO_LINK: 749686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 750686ebf28SUlisses Furquim break; 7511da177e4SLinus Torvalds 752686ebf28SUlisses Furquim default: 753686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 754686ebf28SUlisses Furquim break; 755686ebf28SUlisses Furquim } 756e9a416b5SJohan Hedberg 757e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 758e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 7591da177e4SLinus Torvalds } 7601da177e4SLinus Torvalds 7611da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 7621da177e4SLinus Torvalds { 7638c1b2355SMarcel Holtmann __u8 encrypt; 7648c1b2355SMarcel Holtmann 765686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 766686ebf28SUlisses Furquim return; 767686ebf28SUlisses Furquim 76851a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 7698c1b2355SMarcel Holtmann return; 7708c1b2355SMarcel Holtmann 7718c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 772686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 773e9a416b5SJohan Hedberg 774e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 775e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7761da177e4SLinus Torvalds } 7771da177e4SLinus Torvalds 7785a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 7795a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 7801da177e4SLinus Torvalds { 781686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 782686ebf28SUlisses Furquim return; 7831da177e4SLinus Torvalds 784686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 785e9a416b5SJohan Hedberg 786e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 787e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 7881da177e4SLinus Torvalds } 7891da177e4SLinus Torvalds 7901da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 7911da177e4SLinus Torvalds struct hci_cb { 7921da177e4SLinus Torvalds struct list_head list; 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvalds char *name; 7951da177e4SLinus Torvalds 7965a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 7975a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 7981da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 7991da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 8001da177e4SLinus Torvalds }; 8011da177e4SLinus Torvalds 8021da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 8031da177e4SLinus Torvalds { 8041da177e4SLinus Torvalds struct list_head *p; 8058c1b2355SMarcel Holtmann __u8 encrypt; 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 8081da177e4SLinus Torvalds 80951a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 8108c1b2355SMarcel Holtmann return; 8118c1b2355SMarcel Holtmann 8128c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 8138c1b2355SMarcel Holtmann 814f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8151da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8161da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8178c1b2355SMarcel Holtmann if (cb->security_cfm) 8188c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8191da177e4SLinus Torvalds } 820f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8211da177e4SLinus Torvalds } 8221da177e4SLinus Torvalds 8235a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 8245a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 8251da177e4SLinus Torvalds { 8261da177e4SLinus Torvalds struct list_head *p; 8271da177e4SLinus Torvalds 828435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 829435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 830435fef20SMarcel Holtmann 83188167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 83288167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 83388167aedSVinicius Costa Gomes 8349719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 8351da177e4SLinus Torvalds 836f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8371da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8381da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8398c1b2355SMarcel Holtmann if (cb->security_cfm) 8408c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 8411da177e4SLinus Torvalds } 842f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 8461da177e4SLinus Torvalds { 8471da177e4SLinus Torvalds struct list_head *p; 8481da177e4SLinus Torvalds 849f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8501da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8511da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8521da177e4SLinus Torvalds if (cb->key_change_cfm) 8531da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 8541da177e4SLinus Torvalds } 855f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8561da177e4SLinus Torvalds } 8571da177e4SLinus Torvalds 8585a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 8595a9d0a3fSWaldemar Rymarkiewicz __u8 role) 8601da177e4SLinus Torvalds { 8611da177e4SLinus Torvalds struct list_head *p; 8621da177e4SLinus Torvalds 863f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 8641da177e4SLinus Torvalds list_for_each(p, &hci_cb_list) { 8651da177e4SLinus Torvalds struct hci_cb *cb = list_entry(p, struct hci_cb, list); 8661da177e4SLinus Torvalds if (cb->role_switch_cfm) 8671da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 8681da177e4SLinus Torvalds } 869f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 8701da177e4SLinus Torvalds } 8711da177e4SLinus Torvalds 8726759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 8736759a675SJohan Hedberg { 8746759a675SJohan Hedberg u8 field_len; 8756759a675SJohan Hedberg size_t parsed; 8766759a675SJohan Hedberg 8776759a675SJohan Hedberg for (parsed = 0; parsed < data_len - 1; parsed += field_len) { 8786759a675SJohan Hedberg field_len = data[0]; 8796759a675SJohan Hedberg 8806759a675SJohan Hedberg if (field_len == 0) 8816759a675SJohan Hedberg break; 8826759a675SJohan Hedberg 8836759a675SJohan Hedberg parsed += field_len + 1; 8846759a675SJohan Hedberg 8856759a675SJohan Hedberg if (parsed > data_len) 8866759a675SJohan Hedberg break; 8876759a675SJohan Hedberg 8886759a675SJohan Hedberg if (data[1] == type) 8896759a675SJohan Hedberg return true; 8906759a675SJohan Hedberg 8916759a675SJohan Hedberg data += field_len + 1; 8926759a675SJohan Hedberg } 8936759a675SJohan Hedberg 8946759a675SJohan Hedberg return false; 8956759a675SJohan Hedberg } 8966759a675SJohan Hedberg 8971dc06093SJohan Hedberg static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, 8981dc06093SJohan Hedberg u8 data_len) 8991dc06093SJohan Hedberg { 9001dc06093SJohan Hedberg eir[eir_len++] = sizeof(type) + data_len; 9011dc06093SJohan Hedberg eir[eir_len++] = type; 9021dc06093SJohan Hedberg memcpy(&eir[eir_len], data, data_len); 9031dc06093SJohan Hedberg eir_len += data_len; 9041dc06093SJohan Hedberg 9051dc06093SJohan Hedberg return eir_len; 9061dc06093SJohan Hedberg } 9071dc06093SJohan Hedberg 9081da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 9091da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvalds int hci_register_notifier(struct notifier_block *nb); 9121da177e4SLinus Torvalds int hci_unregister_notifier(struct notifier_block *nb); 9131da177e4SLinus Torvalds 914a9de9248SMarcel Holtmann int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 91573d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 9160d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 9171da177e4SLinus Torvalds 918a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 9191da177e4SLinus Torvalds 9201da177e4SLinus Torvalds void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 923eec8d2bcSJohan Hedberg void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, 924eec8d2bcSJohan Hedberg struct sock *skip_sk); 9251da177e4SLinus Torvalds 9260381101fSJohan Hedberg /* Management interface */ 9270381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 928744cf19eSJohan Hedberg int mgmt_index_added(struct hci_dev *hdev); 929744cf19eSJohan Hedberg int mgmt_index_removed(struct hci_dev *hdev); 930744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 931744cf19eSJohan Hedberg int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 932744cf19eSJohan Hedberg int mgmt_connectable(struct hci_dev *hdev, u8 connectable); 933744cf19eSJohan Hedberg int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 934744cf19eSJohan Hedberg int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 935744cf19eSJohan Hedberg u8 persistent); 936afc747a6SJohan Hedberg int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 937b644ba33SJohan Hedberg u8 addr_type, u8 *name, u8 name_len, 938b644ba33SJohan Hedberg u8 *dev_class); 939afc747a6SJohan Hedberg int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 940afc747a6SJohan Hedberg u8 link_type, u8 addr_type); 94137d9ef76SJohan Hedberg int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); 94248264f06SJohan Hedberg int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 94348264f06SJohan Hedberg u8 addr_type, u8 status); 944744cf19eSJohan Hedberg int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 945744cf19eSJohan Hedberg int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 946c35938b2SSzymon Janc u8 status); 947744cf19eSJohan Hedberg int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 948744cf19eSJohan Hedberg u8 status); 949744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 950744cf19eSJohan Hedberg __le32 value, u8 confirm_hint); 951744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 952744cf19eSJohan Hedberg u8 status); 953744cf19eSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, 954744cf19eSJohan Hedberg bdaddr_t *bdaddr, u8 status); 955604086b7SBrian Gix int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr); 956604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 957604086b7SBrian Gix u8 status); 958604086b7SBrian Gix int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, 959604086b7SBrian Gix bdaddr_t *bdaddr, u8 status); 960744cf19eSJohan Hedberg int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); 961744cf19eSJohan Hedberg int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 962744cf19eSJohan Hedberg int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, 963744cf19eSJohan Hedberg u8 *randomizer, u8 status); 96448264f06SJohan Hedberg int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 965561aafbcSJohan Hedberg u8 addr_type, u8 *dev_class, s8 rssi, 966e319d2e7SJohan Hedberg u8 cfm_name, u8 *eir, u16 eir_len); 967b644ba33SJohan Hedberg int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 968b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 9697a135109SAndre Guedes int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); 970e6d465cbSAndre Guedes int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); 971744cf19eSJohan Hedberg int mgmt_discovering(struct hci_dev *hdev, u8 discovering); 972744cf19eSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 973744cf19eSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr); 9740381101fSJohan Hedberg 9751da177e4SLinus Torvalds /* HCI info for socket */ 9761da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 9771da177e4SLinus Torvalds 97814c0b608SJohan Hedberg /* HCI socket flags */ 97914c0b608SJohan Hedberg #define HCI_PI_MGMT_INIT 0 98014c0b608SJohan Hedberg 9811da177e4SLinus Torvalds struct hci_pinfo { 9821da177e4SLinus Torvalds struct bt_sock bt; 9831da177e4SLinus Torvalds struct hci_dev *hdev; 9841da177e4SLinus Torvalds struct hci_filter filter; 9851da177e4SLinus Torvalds __u32 cmsg_mask; 986c02178d2SJohan Hedberg unsigned short channel; 98714c0b608SJohan Hedberg unsigned long flags; 9881da177e4SLinus Torvalds }; 9891da177e4SLinus Torvalds 9901da177e4SLinus Torvalds /* HCI security filter */ 9911da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvalds struct hci_sec_filter { 9941da177e4SLinus Torvalds __u32 type_mask; 9951da177e4SLinus Torvalds __u32 event_mask[2]; 9961da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 9971da177e4SLinus Torvalds }; 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvalds /* ----- HCI requests ----- */ 10001da177e4SLinus Torvalds #define HCI_REQ_DONE 0 10011da177e4SLinus Torvalds #define HCI_REQ_PEND 1 10021da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 10031da177e4SLinus Torvalds 1004a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1005a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 10061da177e4SLinus Torvalds 100723bb5763SJohan Hedberg void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 10081da177e4SLinus Torvalds 10092ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 10102ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1011a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1012a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 1013a7a595f6SVinicius Costa Gomes void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); 1014a7a595f6SVinicius Costa Gomes void hci_le_ltk_neg_reply(struct hci_conn *conn); 1015a7a595f6SVinicius Costa Gomes 10162519a1fcSAndre Guedes int hci_do_inquiry(struct hci_dev *hdev, u8 length); 1017023d5049SAndre Guedes int hci_cancel_inquiry(struct hci_dev *hdev); 10182519a1fcSAndre Guedes 10191da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1020