11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds BlueZ - Bluetooth protocol stack for Linux 32d0a0346SRon Shaffer Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 91da177e4SLinus Torvalds published by the Free Software Foundation; 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 121da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 131da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 141da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 151da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 161da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 171da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 181da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 211da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 221da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #ifndef __HCI_CORE_H 261da177e4SLinus Torvalds #define __HCI_CORE_H 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 291da177e4SLinus Torvalds 305e59b791SLuiz Augusto von Dentz /* HCI priority */ 315e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 325e59b791SLuiz Augusto von Dentz 331da177e4SLinus Torvalds /* HCI Core structures */ 341da177e4SLinus Torvalds struct inquiry_data { 351da177e4SLinus Torvalds bdaddr_t bdaddr; 361da177e4SLinus Torvalds __u8 pscan_rep_mode; 371da177e4SLinus Torvalds __u8 pscan_period_mode; 381da177e4SLinus Torvalds __u8 pscan_mode; 391da177e4SLinus Torvalds __u8 dev_class[3]; 401ebb9252SMarcel Holtmann __le16 clock_offset; 411da177e4SLinus Torvalds __s8 rssi; 4241a96212SMarcel Holtmann __u8 ssp_mode; 431da177e4SLinus Torvalds }; 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds struct inquiry_entry { 46561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 47561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 48561aafbcSJohan Hedberg enum { 49561aafbcSJohan Hedberg NAME_NOT_KNOWN, 50561aafbcSJohan Hedberg NAME_NEEDED, 51561aafbcSJohan Hedberg NAME_PENDING, 52561aafbcSJohan Hedberg NAME_KNOWN, 53561aafbcSJohan Hedberg } name_state; 541da177e4SLinus Torvalds __u32 timestamp; 551da177e4SLinus Torvalds struct inquiry_data data; 561da177e4SLinus Torvalds }; 571da177e4SLinus Torvalds 5830883512SJohan Hedberg struct discovery_state { 594aab14e5SAndre Guedes int type; 60ff9ef578SJohan Hedberg enum { 61ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 62ff9ef578SJohan Hedberg DISCOVERY_STARTING, 63343f935bSAndre Guedes DISCOVERY_FINDING, 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; 76bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 771da177e4SLinus Torvalds unsigned int sco_num; 78fcd89c09SVille Tervo unsigned int le_num; 791da177e4SLinus Torvalds }; 801da177e4SLinus Torvalds 81f0358568SJohan Hedberg struct bdaddr_list { 82f0358568SJohan Hedberg struct list_head list; 83f0358568SJohan Hedberg bdaddr_t bdaddr; 84b9ee0a78SMarcel Holtmann u8 bdaddr_type; 85f0358568SJohan Hedberg }; 862aeb9a1aSJohan Hedberg 872aeb9a1aSJohan Hedberg struct bt_uuid { 882aeb9a1aSJohan Hedberg struct list_head list; 892aeb9a1aSJohan Hedberg u8 uuid[16]; 9083be8ecaSJohan Hedberg u8 size; 911aff6f09SJohan Hedberg u8 svc_hint; 922aeb9a1aSJohan Hedberg }; 932aeb9a1aSJohan Hedberg 94b899efafSVinicius Costa Gomes struct smp_ltk { 95b899efafSVinicius Costa Gomes struct list_head list; 96b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 97b899efafSVinicius Costa Gomes u8 bdaddr_type; 98b899efafSVinicius Costa Gomes u8 authenticated; 99b899efafSVinicius Costa Gomes u8 type; 100b899efafSVinicius Costa Gomes u8 enc_size; 101b899efafSVinicius Costa Gomes __le16 ediv; 102b899efafSVinicius Costa Gomes u8 rand[8]; 103b899efafSVinicius Costa Gomes u8 val[16]; 10403c515d7SMarcel Holtmann }; 105b899efafSVinicius Costa Gomes 106970c4e46SJohan Hedberg struct smp_irk { 107970c4e46SJohan Hedberg struct list_head list; 108970c4e46SJohan Hedberg bdaddr_t rpa; 109970c4e46SJohan Hedberg bdaddr_t bdaddr; 110970c4e46SJohan Hedberg u8 addr_type; 111970c4e46SJohan Hedberg u8 val[16]; 112970c4e46SJohan Hedberg }; 113970c4e46SJohan Hedberg 11455ed8ca1SJohan Hedberg struct link_key { 11555ed8ca1SJohan Hedberg struct list_head list; 11655ed8ca1SJohan Hedberg bdaddr_t bdaddr; 11755ed8ca1SJohan Hedberg u8 type; 1189b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 11955ed8ca1SJohan Hedberg u8 pin_len; 12055ed8ca1SJohan Hedberg }; 12155ed8ca1SJohan Hedberg 1222763eda6SSzymon Janc struct oob_data { 1232763eda6SSzymon Janc struct list_head list; 1242763eda6SSzymon Janc bdaddr_t bdaddr; 125519ca9d0SMarcel Holtmann u8 hash192[16]; 126519ca9d0SMarcel Holtmann u8 randomizer192[16]; 127519ca9d0SMarcel Holtmann u8 hash256[16]; 128519ca9d0SMarcel Holtmann u8 randomizer256[16]; 1292763eda6SSzymon Janc }; 1302763eda6SSzymon Janc 131490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 132490c5babSJohan Hedberg 133d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 134d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 135d6bfd59cSJohan Hedberg 136903e4541SAndrei Emeltchenko struct amp_assoc { 137903e4541SAndrei Emeltchenko __u16 len; 138903e4541SAndrei Emeltchenko __u16 offset; 13993c284eeSAndrei Emeltchenko __u16 rem_len; 14093c284eeSAndrei Emeltchenko __u16 len_so_far; 141903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 142903e4541SAndrei Emeltchenko }; 143903e4541SAndrei Emeltchenko 144d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 145cad718edSJohan Hedberg 146cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1471da177e4SLinus Torvalds struct hci_dev { 1481da177e4SLinus Torvalds struct list_head list; 14909fd0de5SGustavo F. Padovan struct mutex lock; 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds char name[8]; 1521da177e4SLinus Torvalds unsigned long flags; 1531da177e4SLinus Torvalds __u16 id; 154c13854ceSMarcel Holtmann __u8 bus; 155943da25dSMarcel Holtmann __u8 dev_type; 1561da177e4SLinus Torvalds bdaddr_t bdaddr; 1577a4cd51dSMarcel Holtmann bdaddr_t random_addr; 158d13eafceSMarcel Holtmann bdaddr_t static_addr; 1591f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 160490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 16180a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 162a9de9248SMarcel Holtmann __u8 dev_class[3]; 1631aff6f09SJohan Hedberg __u8 major_class; 1641aff6f09SJohan Hedberg __u8 minor_class; 165d2c5d77fSJohan Hedberg __u8 max_page; 166cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 16760e77321SJohan Hedberg __u8 le_features[8]; 168cf1d081fSJohan Hedberg __u8 le_white_list_size; 1699b008c04SJohan Hedberg __u8 le_states[8]; 170a9de9248SMarcel Holtmann __u8 commands[64]; 1711143e5a6SMarcel Holtmann __u8 hci_ver; 1721143e5a6SMarcel Holtmann __u16 hci_rev; 173d5859e22SJohan Hedberg __u8 lmp_ver; 1741143e5a6SMarcel Holtmann __u16 manufacturer; 1757d69230cSAndrei Emeltchenko __u16 lmp_subver; 1761da177e4SLinus Torvalds __u16 voice_setting; 177b4cb9fb2SMarcel Holtmann __u8 num_iac; 17817fa4b9dSJohan Hedberg __u8 io_capability; 17991c4e9b1SMarcel Holtmann __s8 inq_tx_power; 180f332ec66SJohan Hedberg __u16 page_scan_interval; 181f332ec66SJohan Hedberg __u16 page_scan_window; 182f332ec66SJohan Hedberg __u8 page_scan_type; 1833f959d46SMarcel Holtmann __u8 le_adv_channel_map; 184bef64738SMarcel Holtmann __u16 le_scan_interval; 185bef64738SMarcel Holtmann __u16 le_scan_window; 1864e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 1874e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 18806f5b778SMarcel Holtmann __u8 ssp_debug_mode; 189f332ec66SJohan Hedberg 1902b9be137SMarcel Holtmann __u16 devid_source; 1912b9be137SMarcel Holtmann __u16 devid_vendor; 1922b9be137SMarcel Holtmann __u16 devid_product; 1932b9be137SMarcel Holtmann __u16 devid_version; 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds __u16 pkt_type; 1965b7f9909SMarcel Holtmann __u16 esco_type; 1971da177e4SLinus Torvalds __u16 link_policy; 1981da177e4SLinus Torvalds __u16 link_mode; 1991da177e4SLinus Torvalds 20004837f64SMarcel Holtmann __u32 idle_timeout; 20104837f64SMarcel Holtmann __u16 sniff_min_interval; 20204837f64SMarcel Holtmann __u16 sniff_max_interval; 20304837f64SMarcel Holtmann 204928abaa7SAndrei Emeltchenko __u8 amp_status; 205928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 206928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 207928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 208928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 209928abaa7SAndrei Emeltchenko __u8 amp_type; 210928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 211928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 212928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 213928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 214928abaa7SAndrei Emeltchenko 215903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 216903e4541SAndrei Emeltchenko 2171e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2181e89cffbSAndrei Emeltchenko 2199f61656aSJohan Hedberg unsigned int auto_accept_delay; 2209f61656aSJohan Hedberg 2211da177e4SLinus Torvalds unsigned long quirks; 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds atomic_t cmd_cnt; 2241da177e4SLinus Torvalds unsigned int acl_cnt; 2251da177e4SLinus Torvalds unsigned int sco_cnt; 2266ed58ec5SVille Tervo unsigned int le_cnt; 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds unsigned int acl_mtu; 2291da177e4SLinus Torvalds unsigned int sco_mtu; 2306ed58ec5SVille Tervo unsigned int le_mtu; 2311da177e4SLinus Torvalds unsigned int acl_pkts; 2321da177e4SLinus Torvalds unsigned int sco_pkts; 2336ed58ec5SVille Tervo unsigned int le_pkts; 2341da177e4SLinus Torvalds 235350ee4cfSAndrei Emeltchenko __u16 block_len; 236350ee4cfSAndrei Emeltchenko __u16 block_mtu; 237350ee4cfSAndrei Emeltchenko __u16 num_blocks; 238350ee4cfSAndrei Emeltchenko __u16 block_cnt; 239350ee4cfSAndrei Emeltchenko 2401da177e4SLinus Torvalds unsigned long acl_last_tx; 2411da177e4SLinus Torvalds unsigned long sco_last_tx; 2426ed58ec5SVille Tervo unsigned long le_last_tx; 2431da177e4SLinus Torvalds 244f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2456ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 246f48fd9c8SMarcel Holtmann 247ab81cbf9SJohan Hedberg struct work_struct power_on; 2483243553fSJohan Hedberg struct delayed_work power_off; 249ab81cbf9SJohan Hedberg 25016ab91abSJohan Hedberg __u16 discov_timeout; 25116ab91abSJohan Hedberg struct delayed_work discov_off; 25216ab91abSJohan Hedberg 2537d78525dSJohan Hedberg struct delayed_work service_cache; 2547d78525dSJohan Hedberg 2556bd32326SVille Tervo struct timer_list cmd_timer; 256b78752ccSMarcel Holtmann 257b78752ccSMarcel Holtmann struct work_struct rx_work; 258c347b765SGustavo F. Padovan struct work_struct cmd_work; 2593eff45eaSGustavo F. Padovan struct work_struct tx_work; 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds struct sk_buff_head rx_q; 2621da177e4SLinus Torvalds struct sk_buff_head raw_q; 2631da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2641da177e4SLinus Torvalds 265b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2661da177e4SLinus Torvalds struct sk_buff *sent_cmd; 267cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2681da177e4SLinus Torvalds 269a6a67efdSThomas Gleixner struct mutex req_lock; 2701da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2711da177e4SLinus Torvalds __u32 req_status; 2721da177e4SLinus Torvalds __u32 req_result; 273a5040efaSJohan Hedberg 27499780a7bSJohan Hedberg struct crypto_blkcipher *tfm_aes; 2752e58ef3eSJohan Hedberg 27630883512SJohan Hedberg struct discovery_state discovery; 2771da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 2785c136e90SAndre Guedes 2795c136e90SAndre Guedes struct list_head mgmt_pending; 280ea4bd8baSDavid Miller struct list_head blacklist; 2812aeb9a1aSJohan Hedberg struct list_head uuids; 28255ed8ca1SJohan Hedberg struct list_head link_keys; 283b899efafSVinicius Costa Gomes struct list_head long_term_keys; 284970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 2852763eda6SSzymon Janc struct list_head remote_oob_data; 28615819a70SAndre Guedes struct list_head le_conn_params; 28777a77a30SAndre Guedes struct list_head pend_le_conns; 2882763eda6SSzymon Janc 2891da177e4SLinus Torvalds struct hci_dev_stats stat; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds atomic_t promisc; 2921da177e4SLinus Torvalds 293ca325f69SMarcel Holtmann struct dentry *debugfs; 294ca325f69SMarcel Holtmann 295a91f2e39SMarcel Holtmann struct device dev; 2961da177e4SLinus Torvalds 297611b30f7SMarcel Holtmann struct rfkill *rfkill; 298611b30f7SMarcel Holtmann 299d23264a8SAndre Guedes unsigned long dev_flags; 300d23264a8SAndre Guedes 3017ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 3027ba8b4beSAndre Guedes 3038fa19098SJohan Hedberg __s8 adv_tx_power; 3043f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3053f0f524bSJohan Hedberg __u8 adv_data_len; 306f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 307f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3088fa19098SJohan Hedberg 309863efaf2SJohan Hedberg __u8 irk[16]; 310d6bfd59cSJohan Hedberg __u32 rpa_timeout; 311d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 3122b5224dcSMarcel Holtmann bdaddr_t rpa; 313863efaf2SJohan Hedberg 3141da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3151da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3161da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 317f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 3187bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3191da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 3201da177e4SLinus Torvalds }; 3211da177e4SLinus Torvalds 32253502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 32353502d69SAndrei Emeltchenko 3241da177e4SLinus Torvalds struct hci_conn { 3251da177e4SLinus Torvalds struct list_head list; 3261da177e4SLinus Torvalds 3271da177e4SLinus Torvalds atomic_t refcnt; 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds bdaddr_t dst; 33029b7988aSAndre Guedes __u8 dst_type; 331662e8820SMarcel Holtmann bdaddr_t src; 332e7c4096eSMarcel Holtmann __u8 src_type; 3331da177e4SLinus Torvalds __u16 handle; 3341da177e4SLinus Torvalds __u16 state; 33504837f64SMarcel Holtmann __u8 mode; 3361da177e4SLinus Torvalds __u8 type; 337a0c808b3SJohan Hedberg bool out; 3384c67bc74SMarcel Holtmann __u8 attempt; 3391da177e4SLinus Torvalds __u8 dev_class[3]; 340cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 341a8746417SMarcel Holtmann __u16 pkt_type; 34204837f64SMarcel Holtmann __u16 link_policy; 3431da177e4SLinus Torvalds __u32 link_mode; 34413d39315SWaldemar Rymarkiewicz __u8 key_type; 34540be492fSMarcel Holtmann __u8 auth_type; 3468c1b2355SMarcel Holtmann __u8 sec_level; 347765c2a96SJohan Hedberg __u8 pending_sec_level; 348980e1a53SJohan Hedberg __u8 pin_length; 349726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 35017fa4b9dSJohan Hedberg __u8 io_capability; 35192a25256SJohan Hedberg __u32 passkey_notify; 35292a25256SJohan Hedberg __u8 passkey_entered; 353052b30b0SMarcel Holtmann __u16 disc_timeout; 35410c62ddcSFrédéric Dalleau __u16 setting; 3551e406eefSAndre Guedes __u16 le_conn_min_interval; 3561e406eefSAndre Guedes __u16 le_conn_max_interval; 35751a8efd7SJohan Hedberg unsigned long flags; 3581da177e4SLinus Torvalds 35903b555e1SJohan Hedberg __u8 remote_cap; 36003b555e1SJohan Hedberg __u8 remote_auth; 3613161ae1cSAndrei Emeltchenko __u8 remote_id; 3626ec5bcadSVishal Agarwal bool flush_key; 36303b555e1SJohan Hedberg 3641da177e4SLinus Torvalds unsigned int sent; 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvalds struct sk_buff_head data_q; 3672c33c06aSGustavo F. Padovan struct list_head chan_list; 3681da177e4SLinus Torvalds 36919c40e3bSGustavo F. Padovan struct delayed_work disc_work; 3707bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 371a74a84f6SJohan Hedberg struct delayed_work idle_work; 3721da177e4SLinus Torvalds 373b219e3acSMarcel Holtmann struct device dev; 374b219e3acSMarcel Holtmann 3751da177e4SLinus Torvalds struct hci_dev *hdev; 3761da177e4SLinus Torvalds void *l2cap_data; 3771da177e4SLinus Torvalds void *sco_data; 3782b64d153SBrian Gix void *smp_conn; 3799740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds struct hci_conn *link; 382e9a416b5SJohan Hedberg 383e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 384e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 385e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3861da177e4SLinus Torvalds }; 3871da177e4SLinus Torvalds 38873d80debSLuiz Augusto von Dentz struct hci_chan { 38973d80debSLuiz Augusto von Dentz struct list_head list; 39042c4e53eSAndrei Emeltchenko __u16 handle; 39173d80debSLuiz Augusto von Dentz struct hci_conn *conn; 39273d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 39373d80debSLuiz Augusto von Dentz unsigned int sent; 394168df8e5SMat Martineau __u8 state; 39573d80debSLuiz Augusto von Dentz }; 39673d80debSLuiz Augusto von Dentz 39715819a70SAndre Guedes struct hci_conn_params { 39815819a70SAndre Guedes struct list_head list; 39915819a70SAndre Guedes 40015819a70SAndre Guedes bdaddr_t addr; 40115819a70SAndre Guedes u8 addr_type; 40215819a70SAndre Guedes 40315819a70SAndre Guedes u16 conn_min_interval; 40415819a70SAndre Guedes u16 conn_max_interval; 4059fcb18efSAndre Guedes 4069fcb18efSAndre Guedes enum { 4079fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 4089fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 4099fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 4109fcb18efSAndre Guedes } auto_connect; 41115819a70SAndre Guedes }; 41215819a70SAndre Guedes 4131da177e4SLinus Torvalds extern struct list_head hci_dev_list; 4141da177e4SLinus Torvalds extern struct list_head hci_cb_list; 4151da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 4161da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 4171da177e4SLinus Torvalds 418686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 419e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 420e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 421e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 422e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 423e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 424e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 425686ebf28SUlisses Furquim 426e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 427e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 428e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 429e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 430686ebf28SUlisses Furquim 4311da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 43270f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 43370f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 4341da177e4SLinus Torvalds 43530883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 4361da177e4SLinus Torvalds { 437ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 43830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 43930883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 44030883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4411da177e4SLinus Torvalds } 4421da177e4SLinus Torvalds 44330dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 44430dc78e1SJohan Hedberg 445ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 446ff9ef578SJohan Hedberg 4471da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4481da177e4SLinus Torvalds { 44930883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4501da177e4SLinus Torvalds } 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4531da177e4SLinus Torvalds { 45430883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4551da177e4SLinus Torvalds return jiffies - c->timestamp; 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4591da177e4SLinus Torvalds { 4601da177e4SLinus Torvalds return jiffies - e->timestamp; 4611da177e4SLinus Torvalds } 4621da177e4SLinus Torvalds 4635a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4645a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 465561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 466561aafbcSJohan Hedberg bdaddr_t *bdaddr); 46730dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 46830dc78e1SJohan Hedberg bdaddr_t *bdaddr, 46930dc78e1SJohan Hedberg int state); 470a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 471a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4723175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 473388fc8faSJohan Hedberg bool name_known, bool *ssp); 4741f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4771da177e4SLinus Torvalds enum { 4781da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 47919f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4801da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 48104837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 48204837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 483e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 484d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 485b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 48658a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 487eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 488abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 48958a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 49058a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 49118722c24SJukka Rissanen HCI_CONN_6LOWPAN, 4921da177e4SLinus Torvalds }; 4931da177e4SLinus Torvalds 494aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 495aa64a8b5SJohan Hedberg { 496aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 497c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 498c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 499aa64a8b5SJohan Hedberg } 500aa64a8b5SJohan Hedberg 501eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 502eb9a8f3fSMarcel Holtmann { 503eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 504eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 505eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 506eb9a8f3fSMarcel Holtmann } 507eb9a8f3fSMarcel Holtmann 5081da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 5091da177e4SLinus Torvalds { 5101da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 511bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 512fcd89c09SVille Tervo switch (c->type) { 513fcd89c09SVille Tervo case ACL_LINK: 5141da177e4SLinus Torvalds h->acl_num++; 515fcd89c09SVille Tervo break; 516bd1eb66bSAndrei Emeltchenko case AMP_LINK: 517bd1eb66bSAndrei Emeltchenko h->amp_num++; 518bd1eb66bSAndrei Emeltchenko break; 519fcd89c09SVille Tervo case LE_LINK: 520fcd89c09SVille Tervo h->le_num++; 521fcd89c09SVille Tervo break; 522fcd89c09SVille Tervo case SCO_LINK: 523fcd89c09SVille Tervo case ESCO_LINK: 5241da177e4SLinus Torvalds h->sco_num++; 525fcd89c09SVille Tervo break; 526fcd89c09SVille Tervo } 5271da177e4SLinus Torvalds } 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 5301da177e4SLinus Torvalds { 5311da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 532bf4c6325SGustavo F. Padovan 533bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 534bf4c6325SGustavo F. Padovan synchronize_rcu(); 535bf4c6325SGustavo F. Padovan 536fcd89c09SVille Tervo switch (c->type) { 537fcd89c09SVille Tervo case ACL_LINK: 5381da177e4SLinus Torvalds h->acl_num--; 539fcd89c09SVille Tervo break; 540bd1eb66bSAndrei Emeltchenko case AMP_LINK: 541bd1eb66bSAndrei Emeltchenko h->amp_num--; 542bd1eb66bSAndrei Emeltchenko break; 543fcd89c09SVille Tervo case LE_LINK: 544fcd89c09SVille Tervo h->le_num--; 545fcd89c09SVille Tervo break; 546fcd89c09SVille Tervo case SCO_LINK: 547fcd89c09SVille Tervo case ESCO_LINK: 5481da177e4SLinus Torvalds h->sco_num--; 549fcd89c09SVille Tervo break; 550fcd89c09SVille Tervo } 5511da177e4SLinus Torvalds } 5521da177e4SLinus Torvalds 55352087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 55452087a79SLuiz Augusto von Dentz { 55552087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 55652087a79SLuiz Augusto von Dentz switch (type) { 55752087a79SLuiz Augusto von Dentz case ACL_LINK: 55852087a79SLuiz Augusto von Dentz return h->acl_num; 559bd1eb66bSAndrei Emeltchenko case AMP_LINK: 560bd1eb66bSAndrei Emeltchenko return h->amp_num; 56152087a79SLuiz Augusto von Dentz case LE_LINK: 56252087a79SLuiz Augusto von Dentz return h->le_num; 56352087a79SLuiz Augusto von Dentz case SCO_LINK: 56452087a79SLuiz Augusto von Dentz case ESCO_LINK: 56552087a79SLuiz Augusto von Dentz return h->sco_num; 56652087a79SLuiz Augusto von Dentz default: 56752087a79SLuiz Augusto von Dentz return 0; 56852087a79SLuiz Augusto von Dentz } 56952087a79SLuiz Augusto von Dentz } 57052087a79SLuiz Augusto von Dentz 571f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 572f4f07505SJohan Hedberg { 573f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 574f4f07505SJohan Hedberg 575f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 576f4f07505SJohan Hedberg } 577f4f07505SJohan Hedberg 5781da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5791da177e4SLinus Torvalds __u16 handle) 5801da177e4SLinus Torvalds { 5811da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5821da177e4SLinus Torvalds struct hci_conn *c; 5831da177e4SLinus Torvalds 584bf4c6325SGustavo F. Padovan rcu_read_lock(); 585bf4c6325SGustavo F. Padovan 586bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 587bf4c6325SGustavo F. Padovan if (c->handle == handle) { 588bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5891da177e4SLinus Torvalds return c; 5901da177e4SLinus Torvalds } 591bf4c6325SGustavo F. Padovan } 592bf4c6325SGustavo F. Padovan rcu_read_unlock(); 593bf4c6325SGustavo F. Padovan 5941da177e4SLinus Torvalds return NULL; 5951da177e4SLinus Torvalds } 5961da177e4SLinus Torvalds 5971da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5981da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 5991da177e4SLinus Torvalds { 6001da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 6011da177e4SLinus Torvalds struct hci_conn *c; 6021da177e4SLinus Torvalds 603bf4c6325SGustavo F. Padovan rcu_read_lock(); 604bf4c6325SGustavo F. Padovan 605bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 606bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 607bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6081da177e4SLinus Torvalds return c; 6091da177e4SLinus Torvalds } 610bf4c6325SGustavo F. Padovan } 611bf4c6325SGustavo F. Padovan 612bf4c6325SGustavo F. Padovan rcu_read_unlock(); 613bf4c6325SGustavo F. Padovan 6141da177e4SLinus Torvalds return NULL; 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds 6174c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 6184c67bc74SMarcel Holtmann __u8 type, __u16 state) 6194c67bc74SMarcel Holtmann { 6204c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 6214c67bc74SMarcel Holtmann struct hci_conn *c; 6224c67bc74SMarcel Holtmann 623bf4c6325SGustavo F. Padovan rcu_read_lock(); 624bf4c6325SGustavo F. Padovan 625bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 626bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 627bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6284c67bc74SMarcel Holtmann return c; 6294c67bc74SMarcel Holtmann } 630bf4c6325SGustavo F. Padovan } 631bf4c6325SGustavo F. Padovan 632bf4c6325SGustavo F. Padovan rcu_read_unlock(); 633bf4c6325SGustavo F. Padovan 6344c67bc74SMarcel Holtmann return NULL; 6354c67bc74SMarcel Holtmann } 6364c67bc74SMarcel Holtmann 637bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 6382dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 639e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 6421da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 6431da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 644a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 6451da177e4SLinus Torvalds 64673d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 6479472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 6482c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 64942c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 65073d80debSLuiz Augusto von Dentz 65104a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 65204a6c589SAndre Guedes u8 dst_type, u8 sec_level, u8 auth_type); 65304a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 65404a6c589SAndre Guedes u8 sec_level, u8 auth_type); 65510c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 65610c62ddcSFrédéric Dalleau __u16 setting); 657e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 658b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 6590684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6601da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6618c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6621da177e4SLinus Torvalds 66314b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6641da177e4SLinus Torvalds 66506c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 66606c053fbSAndre Guedes 6678d12356fSDavid Herrmann /* 6688d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6698d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6708d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6718d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6728d12356fSDavid Herrmann * other constant data. 6738d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6748d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6758d12356fSDavid Herrmann * get dropped, though. 6768d12356fSDavid Herrmann * 6778d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6788d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6798d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6808d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6818d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6828d12356fSDavid Herrmann * hci_conn_add()). 6838d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6848d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6858d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6868d12356fSDavid Herrmann */ 6878d12356fSDavid Herrmann 6888d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6898d12356fSDavid Herrmann { 6908d12356fSDavid Herrmann get_device(&conn->dev); 6918d12356fSDavid Herrmann } 6928d12356fSDavid Herrmann 6938d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6948d12356fSDavid Herrmann { 6958d12356fSDavid Herrmann put_device(&conn->dev); 6968d12356fSDavid Herrmann } 6978d12356fSDavid Herrmann 6981da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6991da177e4SLinus Torvalds { 70071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 70138b3fef1SAndrei Emeltchenko 7021da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 7032f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 7041da177e4SLinus Torvalds } 7051da177e4SLinus Torvalds 70676a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 7071da177e4SLinus Torvalds { 70871becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 70938b3fef1SAndrei Emeltchenko 7101da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 71104837f64SMarcel Holtmann unsigned long timeo; 712716e4ab5SAndrei Emeltchenko 713716e4ab5SAndrei Emeltchenko switch (conn->type) { 714716e4ab5SAndrei Emeltchenko case ACL_LINK: 715716e4ab5SAndrei Emeltchenko case LE_LINK: 716a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 7176ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 7185f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 71904837f64SMarcel Holtmann if (!conn->out) 720052b30b0SMarcel Holtmann timeo *= 2; 7215a9d0a3fSWaldemar Rymarkiewicz } else { 7226ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 7235a9d0a3fSWaldemar Rymarkiewicz } 724716e4ab5SAndrei Emeltchenko break; 725716e4ab5SAndrei Emeltchenko 726716e4ab5SAndrei Emeltchenko case AMP_LINK: 727716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 728716e4ab5SAndrei Emeltchenko break; 729716e4ab5SAndrei Emeltchenko 730716e4ab5SAndrei Emeltchenko default: 73104837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 732716e4ab5SAndrei Emeltchenko break; 7335a9d0a3fSWaldemar Rymarkiewicz } 734716e4ab5SAndrei Emeltchenko 7352f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 73619c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 7371931782bSVinicius Costa Gomes &conn->disc_work, timeo); 7381da177e4SLinus Torvalds } 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 742dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 7431da177e4SLinus Torvalds { 744376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 745376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 746376261aeSAndrei Emeltchenko 7474c724c71SDavid Herrmann put_device(&d->dev); 748010666a1SDavid Herrmann } 7491da177e4SLinus Torvalds 750dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 7511da177e4SLinus Torvalds { 752376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 753376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 754376261aeSAndrei Emeltchenko 7554c724c71SDavid Herrmann get_device(&d->dev); 7561da177e4SLinus Torvalds return d; 7571da177e4SLinus Torvalds } 7581da177e4SLinus Torvalds 75909fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 76009fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 7611da177e4SLinus Torvalds 762aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7633dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 764aa2b86d7SDavid Herrmann 765155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 766155961e8SDavid Herrmann { 767155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 768155961e8SDavid Herrmann } 769155961e8SDavid Herrmann 770155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 771155961e8SDavid Herrmann { 772155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 773155961e8SDavid Herrmann } 774155961e8SDavid Herrmann 7751da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7760c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7791da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7801da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 78159735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7821da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7831da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7841da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7851da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7861da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7871da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7881da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7891da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7901da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7911da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7921da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 79340be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7941da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7951da177e4SLinus Torvalds 796c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 797b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 79835f7498aSJohan Hedberg void hci_blacklist_clear(struct hci_dev *hdev); 79988c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 80088c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 801f0358568SJohan Hedberg 80215819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 80315819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 804a9b0a04cSAndre Guedes int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, 8059fcb18efSAndre Guedes u8 auto_connect, u16 conn_min_interval, 8069fcb18efSAndre Guedes u16 conn_max_interval); 80715819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 80815819a70SAndre Guedes void hci_conn_params_clear(struct hci_dev *hdev); 80915819a70SAndre Guedes 81077a77a30SAndre Guedes struct bdaddr_list *hci_pend_le_conn_lookup(struct hci_dev *hdev, 81177a77a30SAndre Guedes bdaddr_t *addr, u8 addr_type); 81277a77a30SAndre Guedes void hci_pend_le_conn_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 81377a77a30SAndre Guedes void hci_pend_le_conn_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 81477a77a30SAndre Guedes void hci_pend_le_conns_clear(struct hci_dev *hdev); 81577a77a30SAndre Guedes 816a4790dbdSAndre Guedes void hci_update_background_scan(struct hci_dev *hdev); 817a4790dbdSAndre Guedes 81835f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 8192aeb9a1aSJohan Hedberg 82035f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 82155ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 822d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 823d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 82498a0b845SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8], 82598a0b845SJohan Hedberg bool master); 826ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 82735d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 82835d70271SJohan Hedberg u8 tk[16], u8 enc_size, __le16 ediv, u8 rand[8]); 829c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 83098a0b845SJohan Hedberg u8 addr_type, bool master); 831e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 83235f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 83355ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 83455ed8ca1SJohan Hedberg 835970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 836970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 837970c4e46SJohan Hedberg u8 addr_type); 838ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 839ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 840a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 841970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 842970c4e46SJohan Hedberg 84335f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 8442763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 8452763eda6SSzymon Janc bdaddr_t *bdaddr); 8460798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8470798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 8480798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8490798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 8500798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 8512763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 8522763eda6SSzymon Janc 8531da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 8541da177e4SLinus Torvalds 855e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 856ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 85799811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 858ef222013SMarcel Holtmann 8590ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 860a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 861b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 862b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 8631da177e4SLinus Torvalds 8646935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 867cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 868cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 869cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 870cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 871cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 872cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 873cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 874cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 875cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 876cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 877cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 878cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 879cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 880cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 881cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 882cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 883cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 884cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 88507a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 8861da177e4SLinus Torvalds 887eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 88853b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 88953b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 89053b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 89153b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 892d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 893d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 89453b834d2SMarcel Holtmann 89553b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 896cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 897d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 898cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 899cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 900eead27daSAndre Guedes 9011da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 90220714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 90320714bfeSFrédéric Dalleau 9045a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 90520714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 9061da177e4SLinus Torvalds { 907686ebf28SUlisses Furquim switch (type) { 908686ebf28SUlisses Furquim case ACL_LINK: 909686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 9101da177e4SLinus Torvalds 911686ebf28SUlisses Furquim case SCO_LINK: 912686ebf28SUlisses Furquim case ESCO_LINK: 91320714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 9141da177e4SLinus Torvalds 915686ebf28SUlisses Furquim default: 916686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 917686ebf28SUlisses Furquim return -EINVAL; 918686ebf28SUlisses Furquim } 9191da177e4SLinus Torvalds } 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 9221da177e4SLinus Torvalds { 923686ebf28SUlisses Furquim switch (conn->type) { 924686ebf28SUlisses Furquim case ACL_LINK: 925686ebf28SUlisses Furquim case LE_LINK: 926686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 927686ebf28SUlisses Furquim break; 9281da177e4SLinus Torvalds 929686ebf28SUlisses Furquim case SCO_LINK: 930686ebf28SUlisses Furquim case ESCO_LINK: 931686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 932686ebf28SUlisses Furquim break; 9331da177e4SLinus Torvalds 934686ebf28SUlisses Furquim default: 935686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 936686ebf28SUlisses Furquim break; 937686ebf28SUlisses Furquim } 938e9a416b5SJohan Hedberg 939e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 940e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 9411da177e4SLinus Torvalds } 9421da177e4SLinus Torvalds 9432950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 9442950f21aSMarcel Holtmann { 945686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 946686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 9472950f21aSMarcel Holtmann 948686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 9492950f21aSMarcel Holtmann } 9502950f21aSMarcel Holtmann 9512950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 9521da177e4SLinus Torvalds { 953686ebf28SUlisses Furquim switch (conn->type) { 954686ebf28SUlisses Furquim case ACL_LINK: 955686ebf28SUlisses Furquim case LE_LINK: 956686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 957686ebf28SUlisses Furquim break; 9581da177e4SLinus Torvalds 959686ebf28SUlisses Furquim case SCO_LINK: 960686ebf28SUlisses Furquim case ESCO_LINK: 961686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 962686ebf28SUlisses Furquim break; 9631da177e4SLinus Torvalds 964bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 965bd1eb66bSAndrei Emeltchenko case AMP_LINK: 966bd1eb66bSAndrei Emeltchenko break; 967bd1eb66bSAndrei Emeltchenko 968686ebf28SUlisses Furquim default: 969686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 970686ebf28SUlisses Furquim break; 971686ebf28SUlisses Furquim } 972e9a416b5SJohan Hedberg 973e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 974e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 9751da177e4SLinus Torvalds } 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 9781da177e4SLinus Torvalds { 9798c1b2355SMarcel Holtmann __u8 encrypt; 9808c1b2355SMarcel Holtmann 981686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 982686ebf28SUlisses Furquim return; 983686ebf28SUlisses Furquim 98451a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9858c1b2355SMarcel Holtmann return; 9868c1b2355SMarcel Holtmann 9878c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 988686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 989e9a416b5SJohan Hedberg 990e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 991e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9921da177e4SLinus Torvalds } 9931da177e4SLinus Torvalds 9945a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 9955a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9961da177e4SLinus Torvalds { 997686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 998686ebf28SUlisses Furquim return; 9991da177e4SLinus Torvalds 1000686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 1001e9a416b5SJohan Hedberg 1002e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 1003e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 10041da177e4SLinus Torvalds } 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 10071da177e4SLinus Torvalds struct hci_cb { 10081da177e4SLinus Torvalds struct list_head list; 10091da177e4SLinus Torvalds 10101da177e4SLinus Torvalds char *name; 10111da177e4SLinus Torvalds 10125a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 10135a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 10141da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 10151da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 10161da177e4SLinus Torvalds }; 10171da177e4SLinus Torvalds 10181da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 10191da177e4SLinus Torvalds { 1020711584eaSDenis Kirjanov struct hci_cb *cb; 10218c1b2355SMarcel Holtmann __u8 encrypt; 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 10241da177e4SLinus Torvalds 102551a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 10268c1b2355SMarcel Holtmann return; 10278c1b2355SMarcel Holtmann 10288c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 10298c1b2355SMarcel Holtmann 1030f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1031711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10328c1b2355SMarcel Holtmann if (cb->security_cfm) 10338c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10341da177e4SLinus Torvalds } 1035f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10361da177e4SLinus Torvalds } 10371da177e4SLinus Torvalds 10385a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 10395a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 10401da177e4SLinus Torvalds { 1041711584eaSDenis Kirjanov struct hci_cb *cb; 10421da177e4SLinus Torvalds 1043435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1044435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1045435fef20SMarcel Holtmann 104688167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 104788167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 104888167aedSVinicius Costa Gomes 10499719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 10501da177e4SLinus Torvalds 1051f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1052711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10538c1b2355SMarcel Holtmann if (cb->security_cfm) 10548c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10551da177e4SLinus Torvalds } 1056f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10571da177e4SLinus Torvalds } 10581da177e4SLinus Torvalds 10591da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 10601da177e4SLinus Torvalds { 1061711584eaSDenis Kirjanov struct hci_cb *cb; 10621da177e4SLinus Torvalds 1063f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1064711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10651da177e4SLinus Torvalds if (cb->key_change_cfm) 10661da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 10671da177e4SLinus Torvalds } 1068f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10691da177e4SLinus Torvalds } 10701da177e4SLinus Torvalds 10715a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 10725a9d0a3fSWaldemar Rymarkiewicz __u8 role) 10731da177e4SLinus Torvalds { 1074711584eaSDenis Kirjanov struct hci_cb *cb; 10751da177e4SLinus Torvalds 1076f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1077711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10781da177e4SLinus Torvalds if (cb->role_switch_cfm) 10791da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 10801da177e4SLinus Torvalds } 1081f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10821da177e4SLinus Torvalds } 10831da177e4SLinus Torvalds 10846759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 10856759a675SJohan Hedberg { 108684d9d071SJohan Hedberg size_t parsed = 0; 10876759a675SJohan Hedberg 10886c0c331eSJohan Hedberg if (data_len < 2) 10896c0c331eSJohan Hedberg return false; 10906c0c331eSJohan Hedberg 109184d9d071SJohan Hedberg while (parsed < data_len - 1) { 109284d9d071SJohan Hedberg u8 field_len = data[0]; 10936759a675SJohan Hedberg 10946759a675SJohan Hedberg if (field_len == 0) 10956759a675SJohan Hedberg break; 10966759a675SJohan Hedberg 10976759a675SJohan Hedberg parsed += field_len + 1; 10986759a675SJohan Hedberg 10996759a675SJohan Hedberg if (parsed > data_len) 11006759a675SJohan Hedberg break; 11016759a675SJohan Hedberg 11026759a675SJohan Hedberg if (data[1] == type) 11036759a675SJohan Hedberg return true; 11046759a675SJohan Hedberg 11056759a675SJohan Hedberg data += field_len + 1; 11066759a675SJohan Hedberg } 11076759a675SJohan Hedberg 11086759a675SJohan Hedberg return false; 11096759a675SJohan Hedberg } 11106759a675SJohan Hedberg 1111301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1112301cb2d8SJohan Hedberg { 1113301cb2d8SJohan Hedberg if (addr_type != 0x01) 1114301cb2d8SJohan Hedberg return false; 1115301cb2d8SJohan Hedberg 1116301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1117301cb2d8SJohan Hedberg return true; 1118301cb2d8SJohan Hedberg 1119301cb2d8SJohan Hedberg return false; 1120301cb2d8SJohan Hedberg } 1121301cb2d8SJohan Hedberg 11222426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 11232426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 11242426f3a5SJohan Hedberg { 11252426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 11262426f3a5SJohan Hedberg return NULL; 11272426f3a5SJohan Hedberg 11282426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 11292426f3a5SJohan Hedberg } 11302426f3a5SJohan Hedberg 11311da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 11321da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 11331da177e4SLinus Torvalds 11343119ae95SJohan Hedberg struct hci_request { 11353119ae95SJohan Hedberg struct hci_dev *hdev; 11363119ae95SJohan Hedberg struct sk_buff_head cmd_q; 11375d73e034SAndre Guedes 11385d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 11395d73e034SAndre Guedes * value is stored in this field. 11405d73e034SAndre Guedes */ 11415d73e034SAndre Guedes int err; 11423119ae95SJohan Hedberg }; 11433119ae95SJohan Hedberg 11443119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 11453119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 114607dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 114707dc93ddSJohan Hedberg const void *param); 114807dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 114907dc93ddSJohan Hedberg const void *param, u8 event); 11509238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 11513119ae95SJohan Hedberg 1152b1efcc28SAndre Guedes void hci_req_add_le_scan_disable(struct hci_request *req); 11538ef30fd3SAndre Guedes void hci_req_add_le_passive_scan(struct hci_request *req); 1154b1efcc28SAndre Guedes 115575e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 115607dc93ddSJohan Hedberg const void *param, u32 timeout); 11577b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 115807dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 115975e84b7cSJohan Hedberg 116007dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 116107dc93ddSJohan Hedberg const void *param); 116273d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 11630d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 11641da177e4SLinus Torvalds 1165a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1168470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1169470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1170cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 11711da177e4SLinus Torvalds 1172040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1173040030efSMarcel Holtmann 11740381101fSJohan Hedberg /* Management interface */ 1175591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1176591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1177591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1178591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1179591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1180591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1181f39799f5SAndre Guedes 11820d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 11830d8cc935SAndre Guedes * Discovery Procedure specification. 11840d8cc935SAndre Guedes */ 11850d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 11860d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 11870d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 11880d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 11890d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 11900d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 11910d8cc935SAndre Guedes 11920381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1193bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1194bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 11953eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1196744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1197d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 119886a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1199a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 1200778b235aSJohan Hedberg void mgmt_advertising(struct hci_dev *hdev, u8 advertising); 12014796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1202dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1203745c0ce3SVishal Agarwal bool persistent); 1204ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 120504124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 120604124681SGustavo F. Padovan u8 *dev_class); 12079b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 120812d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 120912d4a3b2SJohan Hedberg bool mgmt_connected); 12107892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 121188c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1212445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 121348264f06SJohan Hedberg u8 addr_type, u8 status); 1214ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1215e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1216c35938b2SSzymon Janc u8 status); 12173eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1218744cf19eSJohan Hedberg u8 status); 1219744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1220272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1221272d90dfSJohan Hedberg u8 confirm_hint); 1222744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1223272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1224272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1225272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1226272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1227272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1228604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1229272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1230272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1231272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 123292a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 123392a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 123492a25256SJohan Hedberg u8 entered); 1235e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1236bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1237464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 12383e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1239eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 12404e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 12417f9a903cSMarcel Holtmann u8 status); 12427667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 12434d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 12444d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 12454d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1246901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 124704124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 124804124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 12499cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1250b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 12512f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 125288c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 125388c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1254ba74b666SJohan Hedberg void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key); 125595fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 12565976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1257f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1258346af67bSVinicius Costa Gomes 12591da177e4SLinus Torvalds /* HCI info for socket */ 12601da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 12611da177e4SLinus Torvalds 12621da177e4SLinus Torvalds struct hci_pinfo { 12631da177e4SLinus Torvalds struct bt_sock bt; 12641da177e4SLinus Torvalds struct hci_dev *hdev; 12651da177e4SLinus Torvalds struct hci_filter filter; 12661da177e4SLinus Torvalds __u32 cmsg_mask; 1267c02178d2SJohan Hedberg unsigned short channel; 12681da177e4SLinus Torvalds }; 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvalds /* HCI security filter */ 12711da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 12721da177e4SLinus Torvalds 12731da177e4SLinus Torvalds struct hci_sec_filter { 12741da177e4SLinus Torvalds __u32 type_mask; 12751da177e4SLinus Torvalds __u32 event_mask[2]; 12761da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 12771da177e4SLinus Torvalds }; 12781da177e4SLinus Torvalds 12791da177e4SLinus Torvalds /* ----- HCI requests ----- */ 12801da177e4SLinus Torvalds #define HCI_REQ_DONE 0 12811da177e4SLinus Torvalds #define HCI_REQ_PEND 1 12821da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 12831da177e4SLinus Torvalds 1284a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1285a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 12861da177e4SLinus Torvalds 12872ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 12882ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1289a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1290a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 12912519a1fcSAndre Guedes 129294b1fc92SMarcel Holtmann int hci_update_random_address(struct hci_request *req, bool require_privacy, 129394b1fc92SMarcel Holtmann u8 *own_addr_type); 1294ebd3a747SJohan Hedberg 12955d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 12965d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 12975d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 12985d4d62f6SFrédéric Dalleau 12991da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1300