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 133903e4541SAndrei Emeltchenko struct amp_assoc { 134903e4541SAndrei Emeltchenko __u16 len; 135903e4541SAndrei Emeltchenko __u16 offset; 13693c284eeSAndrei Emeltchenko __u16 rem_len; 13793c284eeSAndrei Emeltchenko __u16 len_so_far; 138903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 139903e4541SAndrei Emeltchenko }; 140903e4541SAndrei Emeltchenko 141d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 142cad718edSJohan Hedberg 143cd4c5391SSuraj Sumangala #define NUM_REASSEMBLY 4 1441da177e4SLinus Torvalds struct hci_dev { 1451da177e4SLinus Torvalds struct list_head list; 14609fd0de5SGustavo F. Padovan struct mutex lock; 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds char name[8]; 1491da177e4SLinus Torvalds unsigned long flags; 1501da177e4SLinus Torvalds __u16 id; 151c13854ceSMarcel Holtmann __u8 bus; 152943da25dSMarcel Holtmann __u8 dev_type; 1531da177e4SLinus Torvalds bdaddr_t bdaddr; 1547a4cd51dSMarcel Holtmann bdaddr_t random_addr; 155d13eafceSMarcel Holtmann bdaddr_t static_addr; 15679830f66SMarcel Holtmann __u8 own_addr_type; 1571f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 158490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 15980a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 160a9de9248SMarcel Holtmann __u8 dev_class[3]; 1611aff6f09SJohan Hedberg __u8 major_class; 1621aff6f09SJohan Hedberg __u8 minor_class; 163d2c5d77fSJohan Hedberg __u8 max_page; 164cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 16560e77321SJohan Hedberg __u8 le_features[8]; 166cf1d081fSJohan Hedberg __u8 le_white_list_size; 1679b008c04SJohan Hedberg __u8 le_states[8]; 168a9de9248SMarcel Holtmann __u8 commands[64]; 1691143e5a6SMarcel Holtmann __u8 hci_ver; 1701143e5a6SMarcel Holtmann __u16 hci_rev; 171d5859e22SJohan Hedberg __u8 lmp_ver; 1721143e5a6SMarcel Holtmann __u16 manufacturer; 1737d69230cSAndrei Emeltchenko __u16 lmp_subver; 1741da177e4SLinus Torvalds __u16 voice_setting; 175b4cb9fb2SMarcel Holtmann __u8 num_iac; 17617fa4b9dSJohan Hedberg __u8 io_capability; 17791c4e9b1SMarcel Holtmann __s8 inq_tx_power; 178f332ec66SJohan Hedberg __u16 page_scan_interval; 179f332ec66SJohan Hedberg __u16 page_scan_window; 180f332ec66SJohan Hedberg __u8 page_scan_type; 1813f959d46SMarcel Holtmann __u8 le_adv_channel_map; 182bef64738SMarcel Holtmann __u16 le_scan_interval; 183bef64738SMarcel Holtmann __u16 le_scan_window; 1844e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 1854e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 18606f5b778SMarcel Holtmann __u8 ssp_debug_mode; 187f332ec66SJohan Hedberg 1882b9be137SMarcel Holtmann __u16 devid_source; 1892b9be137SMarcel Holtmann __u16 devid_vendor; 1902b9be137SMarcel Holtmann __u16 devid_product; 1912b9be137SMarcel Holtmann __u16 devid_version; 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds __u16 pkt_type; 1945b7f9909SMarcel Holtmann __u16 esco_type; 1951da177e4SLinus Torvalds __u16 link_policy; 1961da177e4SLinus Torvalds __u16 link_mode; 1971da177e4SLinus Torvalds 19804837f64SMarcel Holtmann __u32 idle_timeout; 19904837f64SMarcel Holtmann __u16 sniff_min_interval; 20004837f64SMarcel Holtmann __u16 sniff_max_interval; 20104837f64SMarcel Holtmann 202928abaa7SAndrei Emeltchenko __u8 amp_status; 203928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 204928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 205928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 206928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 207928abaa7SAndrei Emeltchenko __u8 amp_type; 208928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 209928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 210928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 211928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 212928abaa7SAndrei Emeltchenko 213903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 214903e4541SAndrei Emeltchenko 2151e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2161e89cffbSAndrei Emeltchenko 2179f61656aSJohan Hedberg unsigned int auto_accept_delay; 2189f61656aSJohan Hedberg 2191da177e4SLinus Torvalds unsigned long quirks; 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds atomic_t cmd_cnt; 2221da177e4SLinus Torvalds unsigned int acl_cnt; 2231da177e4SLinus Torvalds unsigned int sco_cnt; 2246ed58ec5SVille Tervo unsigned int le_cnt; 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvalds unsigned int acl_mtu; 2271da177e4SLinus Torvalds unsigned int sco_mtu; 2286ed58ec5SVille Tervo unsigned int le_mtu; 2291da177e4SLinus Torvalds unsigned int acl_pkts; 2301da177e4SLinus Torvalds unsigned int sco_pkts; 2316ed58ec5SVille Tervo unsigned int le_pkts; 2321da177e4SLinus Torvalds 233350ee4cfSAndrei Emeltchenko __u16 block_len; 234350ee4cfSAndrei Emeltchenko __u16 block_mtu; 235350ee4cfSAndrei Emeltchenko __u16 num_blocks; 236350ee4cfSAndrei Emeltchenko __u16 block_cnt; 237350ee4cfSAndrei Emeltchenko 2381da177e4SLinus Torvalds unsigned long acl_last_tx; 2391da177e4SLinus Torvalds unsigned long sco_last_tx; 2406ed58ec5SVille Tervo unsigned long le_last_tx; 2411da177e4SLinus Torvalds 242f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 2436ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 244f48fd9c8SMarcel Holtmann 245ab81cbf9SJohan Hedberg struct work_struct power_on; 2463243553fSJohan Hedberg struct delayed_work power_off; 247ab81cbf9SJohan Hedberg 24816ab91abSJohan Hedberg __u16 discov_timeout; 24916ab91abSJohan Hedberg struct delayed_work discov_off; 25016ab91abSJohan Hedberg 2517d78525dSJohan Hedberg struct delayed_work service_cache; 2527d78525dSJohan Hedberg 2536bd32326SVille Tervo struct timer_list cmd_timer; 254b78752ccSMarcel Holtmann 255b78752ccSMarcel Holtmann struct work_struct rx_work; 256c347b765SGustavo F. Padovan struct work_struct cmd_work; 2573eff45eaSGustavo F. Padovan struct work_struct tx_work; 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds struct sk_buff_head rx_q; 2601da177e4SLinus Torvalds struct sk_buff_head raw_q; 2611da177e4SLinus Torvalds struct sk_buff_head cmd_q; 2621da177e4SLinus Torvalds 263b6ddb638SJohan Hedberg struct sk_buff *recv_evt; 2641da177e4SLinus Torvalds struct sk_buff *sent_cmd; 265cd4c5391SSuraj Sumangala struct sk_buff *reassembly[NUM_REASSEMBLY]; 2661da177e4SLinus Torvalds 267a6a67efdSThomas Gleixner struct mutex req_lock; 2681da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 2691da177e4SLinus Torvalds __u32 req_status; 2701da177e4SLinus Torvalds __u32 req_result; 271a5040efaSJohan Hedberg 27299780a7bSJohan Hedberg struct crypto_blkcipher *tfm_aes; 2732e58ef3eSJohan Hedberg 27430883512SJohan Hedberg struct discovery_state discovery; 2751da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 2765c136e90SAndre Guedes 2775c136e90SAndre Guedes struct list_head mgmt_pending; 278ea4bd8baSDavid Miller struct list_head blacklist; 2792aeb9a1aSJohan Hedberg struct list_head uuids; 28055ed8ca1SJohan Hedberg struct list_head link_keys; 281b899efafSVinicius Costa Gomes struct list_head long_term_keys; 282970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 2832763eda6SSzymon Janc struct list_head remote_oob_data; 28415819a70SAndre Guedes struct list_head le_conn_params; 2852763eda6SSzymon Janc 2861da177e4SLinus Torvalds struct hci_dev_stats stat; 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds atomic_t promisc; 2891da177e4SLinus Torvalds 290ca325f69SMarcel Holtmann struct dentry *debugfs; 291ca325f69SMarcel Holtmann 292a91f2e39SMarcel Holtmann struct device dev; 2931da177e4SLinus Torvalds 294611b30f7SMarcel Holtmann struct rfkill *rfkill; 295611b30f7SMarcel Holtmann 296d23264a8SAndre Guedes unsigned long dev_flags; 297d23264a8SAndre Guedes 2987ba8b4beSAndre Guedes struct delayed_work le_scan_disable; 2997ba8b4beSAndre Guedes 3008fa19098SJohan Hedberg __s8 adv_tx_power; 3013f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3023f0f524bSJohan Hedberg __u8 adv_data_len; 303f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 304f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3058fa19098SJohan Hedberg 306863efaf2SJohan Hedberg __u8 irk[16]; 307863efaf2SJohan Hedberg 3081da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 3091da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 3101da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 311f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 3127bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 3131da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 3141da177e4SLinus Torvalds }; 3151da177e4SLinus Torvalds 31653502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 31753502d69SAndrei Emeltchenko 3181da177e4SLinus Torvalds struct hci_conn { 3191da177e4SLinus Torvalds struct list_head list; 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds atomic_t refcnt; 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds bdaddr_t dst; 32429b7988aSAndre Guedes __u8 dst_type; 325662e8820SMarcel Holtmann bdaddr_t src; 326e7c4096eSMarcel Holtmann __u8 src_type; 3271da177e4SLinus Torvalds __u16 handle; 3281da177e4SLinus Torvalds __u16 state; 32904837f64SMarcel Holtmann __u8 mode; 3301da177e4SLinus Torvalds __u8 type; 331a0c808b3SJohan Hedberg bool out; 3324c67bc74SMarcel Holtmann __u8 attempt; 3331da177e4SLinus Torvalds __u8 dev_class[3]; 334cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 335a8746417SMarcel Holtmann __u16 pkt_type; 33604837f64SMarcel Holtmann __u16 link_policy; 3371da177e4SLinus Torvalds __u32 link_mode; 33813d39315SWaldemar Rymarkiewicz __u8 key_type; 33940be492fSMarcel Holtmann __u8 auth_type; 3408c1b2355SMarcel Holtmann __u8 sec_level; 341765c2a96SJohan Hedberg __u8 pending_sec_level; 342980e1a53SJohan Hedberg __u8 pin_length; 343726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 34417fa4b9dSJohan Hedberg __u8 io_capability; 34592a25256SJohan Hedberg __u32 passkey_notify; 34692a25256SJohan Hedberg __u8 passkey_entered; 347052b30b0SMarcel Holtmann __u16 disc_timeout; 34810c62ddcSFrédéric Dalleau __u16 setting; 3491e406eefSAndre Guedes __u16 le_conn_min_interval; 3501e406eefSAndre Guedes __u16 le_conn_max_interval; 35151a8efd7SJohan Hedberg unsigned long flags; 3521da177e4SLinus Torvalds 35303b555e1SJohan Hedberg __u8 remote_cap; 35403b555e1SJohan Hedberg __u8 remote_auth; 3553161ae1cSAndrei Emeltchenko __u8 remote_id; 3566ec5bcadSVishal Agarwal bool flush_key; 35703b555e1SJohan Hedberg 3581da177e4SLinus Torvalds unsigned int sent; 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds struct sk_buff_head data_q; 3612c33c06aSGustavo F. Padovan struct list_head chan_list; 3621da177e4SLinus Torvalds 36319c40e3bSGustavo F. Padovan struct delayed_work disc_work; 3647bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 365a74a84f6SJohan Hedberg struct delayed_work idle_work; 3661da177e4SLinus Torvalds 367b219e3acSMarcel Holtmann struct device dev; 368b219e3acSMarcel Holtmann 3691da177e4SLinus Torvalds struct hci_dev *hdev; 3701da177e4SLinus Torvalds void *l2cap_data; 3711da177e4SLinus Torvalds void *sco_data; 3722b64d153SBrian Gix void *smp_conn; 3739740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds struct hci_conn *link; 376e9a416b5SJohan Hedberg 377e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 378e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 379e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 3801da177e4SLinus Torvalds }; 3811da177e4SLinus Torvalds 38273d80debSLuiz Augusto von Dentz struct hci_chan { 38373d80debSLuiz Augusto von Dentz struct list_head list; 38442c4e53eSAndrei Emeltchenko __u16 handle; 38573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 38673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 38773d80debSLuiz Augusto von Dentz unsigned int sent; 388168df8e5SMat Martineau __u8 state; 38973d80debSLuiz Augusto von Dentz }; 39073d80debSLuiz Augusto von Dentz 39115819a70SAndre Guedes struct hci_conn_params { 39215819a70SAndre Guedes struct list_head list; 39315819a70SAndre Guedes 39415819a70SAndre Guedes bdaddr_t addr; 39515819a70SAndre Guedes u8 addr_type; 39615819a70SAndre Guedes 39715819a70SAndre Guedes u16 conn_min_interval; 39815819a70SAndre Guedes u16 conn_max_interval; 39915819a70SAndre Guedes }; 40015819a70SAndre Guedes 4011da177e4SLinus Torvalds extern struct list_head hci_dev_list; 4021da177e4SLinus Torvalds extern struct list_head hci_cb_list; 4031da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 4041da177e4SLinus Torvalds extern rwlock_t hci_cb_list_lock; 4051da177e4SLinus Torvalds 406686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 407e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 408e74e58f8SJoe Perches void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); 409e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 410e74e58f8SJoe Perches void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); 411e74e58f8SJoe Perches int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); 412e74e58f8SJoe Perches int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 413686ebf28SUlisses Furquim 414e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 415e74e58f8SJoe Perches void sco_connect_cfm(struct hci_conn *hcon, __u8 status); 416e74e58f8SJoe Perches void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); 417e74e58f8SJoe Perches int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 418686ebf28SUlisses Furquim 4191da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 42070f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 42170f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 4221da177e4SLinus Torvalds 42330883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 4241da177e4SLinus Torvalds { 425ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 42630883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 42730883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 42830883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 4291da177e4SLinus Torvalds } 4301da177e4SLinus Torvalds 43130dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 43230dc78e1SJohan Hedberg 433ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 434ff9ef578SJohan Hedberg 4351da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 4361da177e4SLinus Torvalds { 43730883512SJohan Hedberg return list_empty(&hdev->discovery.all); 4381da177e4SLinus Torvalds } 4391da177e4SLinus Torvalds 4401da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 4411da177e4SLinus Torvalds { 44230883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 4431da177e4SLinus Torvalds return jiffies - c->timestamp; 4441da177e4SLinus Torvalds } 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 4471da177e4SLinus Torvalds { 4481da177e4SLinus Torvalds return jiffies - e->timestamp; 4491da177e4SLinus Torvalds } 4501da177e4SLinus Torvalds 4515a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 4525a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 453561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 454561aafbcSJohan Hedberg bdaddr_t *bdaddr); 45530dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 45630dc78e1SJohan Hedberg bdaddr_t *bdaddr, 45730dc78e1SJohan Hedberg int state); 458a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 459a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 4603175405bSJohan Hedberg bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 461388fc8faSJohan Hedberg bool name_known, bool *ssp); 4621f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 4651da177e4SLinus Torvalds enum { 4661da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 46719f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 4681da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 46904837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 47004837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 471e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 472d26a2345SVinicius Costa Gomes HCI_CONN_LE_SMP_PEND, 473b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 47458a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 475eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 476abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 47758a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 47858a681efSJohan Hedberg HCI_CONN_REMOTE_OOB, 47918722c24SJukka Rissanen HCI_CONN_6LOWPAN, 4801da177e4SLinus Torvalds }; 4811da177e4SLinus Torvalds 482aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 483aa64a8b5SJohan Hedberg { 484aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 485c3c7ea65SGustavo Padovan return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && 486c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 487aa64a8b5SJohan Hedberg } 488aa64a8b5SJohan Hedberg 489eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 490eb9a8f3fSMarcel Holtmann { 491eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 492eb9a8f3fSMarcel Holtmann return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && 493eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 494eb9a8f3fSMarcel Holtmann } 495eb9a8f3fSMarcel Holtmann 4961da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 4971da177e4SLinus Torvalds { 4981da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 499bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 500fcd89c09SVille Tervo switch (c->type) { 501fcd89c09SVille Tervo case ACL_LINK: 5021da177e4SLinus Torvalds h->acl_num++; 503fcd89c09SVille Tervo break; 504bd1eb66bSAndrei Emeltchenko case AMP_LINK: 505bd1eb66bSAndrei Emeltchenko h->amp_num++; 506bd1eb66bSAndrei Emeltchenko break; 507fcd89c09SVille Tervo case LE_LINK: 508fcd89c09SVille Tervo h->le_num++; 509fcd89c09SVille Tervo break; 510fcd89c09SVille Tervo case SCO_LINK: 511fcd89c09SVille Tervo case ESCO_LINK: 5121da177e4SLinus Torvalds h->sco_num++; 513fcd89c09SVille Tervo break; 514fcd89c09SVille Tervo } 5151da177e4SLinus Torvalds } 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 5181da177e4SLinus Torvalds { 5191da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 520bf4c6325SGustavo F. Padovan 521bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 522bf4c6325SGustavo F. Padovan synchronize_rcu(); 523bf4c6325SGustavo F. Padovan 524fcd89c09SVille Tervo switch (c->type) { 525fcd89c09SVille Tervo case ACL_LINK: 5261da177e4SLinus Torvalds h->acl_num--; 527fcd89c09SVille Tervo break; 528bd1eb66bSAndrei Emeltchenko case AMP_LINK: 529bd1eb66bSAndrei Emeltchenko h->amp_num--; 530bd1eb66bSAndrei Emeltchenko break; 531fcd89c09SVille Tervo case LE_LINK: 532fcd89c09SVille Tervo h->le_num--; 533fcd89c09SVille Tervo break; 534fcd89c09SVille Tervo case SCO_LINK: 535fcd89c09SVille Tervo case ESCO_LINK: 5361da177e4SLinus Torvalds h->sco_num--; 537fcd89c09SVille Tervo break; 538fcd89c09SVille Tervo } 5391da177e4SLinus Torvalds } 5401da177e4SLinus Torvalds 54152087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 54252087a79SLuiz Augusto von Dentz { 54352087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 54452087a79SLuiz Augusto von Dentz switch (type) { 54552087a79SLuiz Augusto von Dentz case ACL_LINK: 54652087a79SLuiz Augusto von Dentz return h->acl_num; 547bd1eb66bSAndrei Emeltchenko case AMP_LINK: 548bd1eb66bSAndrei Emeltchenko return h->amp_num; 54952087a79SLuiz Augusto von Dentz case LE_LINK: 55052087a79SLuiz Augusto von Dentz return h->le_num; 55152087a79SLuiz Augusto von Dentz case SCO_LINK: 55252087a79SLuiz Augusto von Dentz case ESCO_LINK: 55352087a79SLuiz Augusto von Dentz return h->sco_num; 55452087a79SLuiz Augusto von Dentz default: 55552087a79SLuiz Augusto von Dentz return 0; 55652087a79SLuiz Augusto von Dentz } 55752087a79SLuiz Augusto von Dentz } 55852087a79SLuiz Augusto von Dentz 5591da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 5601da177e4SLinus Torvalds __u16 handle) 5611da177e4SLinus Torvalds { 5621da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 5631da177e4SLinus Torvalds struct hci_conn *c; 5641da177e4SLinus Torvalds 565bf4c6325SGustavo F. Padovan rcu_read_lock(); 566bf4c6325SGustavo F. Padovan 567bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 568bf4c6325SGustavo F. Padovan if (c->handle == handle) { 569bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5701da177e4SLinus Torvalds return c; 5711da177e4SLinus Torvalds } 572bf4c6325SGustavo F. Padovan } 573bf4c6325SGustavo F. Padovan rcu_read_unlock(); 574bf4c6325SGustavo F. Padovan 5751da177e4SLinus Torvalds return NULL; 5761da177e4SLinus Torvalds } 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 5791da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 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->type == type && !bacmp(&c->dst, ba)) { 588bf4c6325SGustavo F. Padovan rcu_read_unlock(); 5891da177e4SLinus Torvalds return c; 5901da177e4SLinus Torvalds } 591bf4c6325SGustavo F. Padovan } 592bf4c6325SGustavo F. Padovan 593bf4c6325SGustavo F. Padovan rcu_read_unlock(); 594bf4c6325SGustavo F. Padovan 5951da177e4SLinus Torvalds return NULL; 5961da177e4SLinus Torvalds } 5971da177e4SLinus Torvalds 5984c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 5994c67bc74SMarcel Holtmann __u8 type, __u16 state) 6004c67bc74SMarcel Holtmann { 6014c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 6024c67bc74SMarcel Holtmann struct hci_conn *c; 6034c67bc74SMarcel Holtmann 604bf4c6325SGustavo F. Padovan rcu_read_lock(); 605bf4c6325SGustavo F. Padovan 606bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 607bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 608bf4c6325SGustavo F. Padovan rcu_read_unlock(); 6094c67bc74SMarcel Holtmann return c; 6104c67bc74SMarcel Holtmann } 611bf4c6325SGustavo F. Padovan } 612bf4c6325SGustavo F. Padovan 613bf4c6325SGustavo F. Padovan rcu_read_unlock(); 614bf4c6325SGustavo F. Padovan 6154c67bc74SMarcel Holtmann return NULL; 6164c67bc74SMarcel Holtmann } 6174c67bc74SMarcel Holtmann 618bed71748SAndre Guedes void hci_disconnect(struct hci_conn *conn, __u8 reason); 6192dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 620e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 6231da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 6241da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 625a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 6261da177e4SLinus Torvalds 62773d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 6289472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 6292c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 63042c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 63173d80debSLuiz Augusto von Dentz 6325a9d0a3fSWaldemar Rymarkiewicz struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, 633b12f62cfSAndre Guedes __u8 dst_type, __u8 sec_level, __u8 auth_type); 63410c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 63510c62ddcSFrédéric Dalleau __u16 setting); 636e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 637b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 6380684e5f9SMarcel Holtmann int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 6391da177e4SLinus Torvalds int hci_conn_change_link_key(struct hci_conn *conn); 6408c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 6411da177e4SLinus Torvalds 64214b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 6431da177e4SLinus Torvalds 6448d12356fSDavid Herrmann /* 6458d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 6468d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 6478d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 6488d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 6498d12356fSDavid Herrmann * other constant data. 6508d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 6518d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 6528d12356fSDavid Herrmann * get dropped, though. 6538d12356fSDavid Herrmann * 6548d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 6558d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 6568d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 6578d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 6588d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 6598d12356fSDavid Herrmann * hci_conn_add()). 6608d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 6618d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 6628d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 6638d12356fSDavid Herrmann */ 6648d12356fSDavid Herrmann 6658d12356fSDavid Herrmann static inline void hci_conn_get(struct hci_conn *conn) 6668d12356fSDavid Herrmann { 6678d12356fSDavid Herrmann get_device(&conn->dev); 6688d12356fSDavid Herrmann } 6698d12356fSDavid Herrmann 6708d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 6718d12356fSDavid Herrmann { 6728d12356fSDavid Herrmann put_device(&conn->dev); 6738d12356fSDavid Herrmann } 6748d12356fSDavid Herrmann 6751da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 6761da177e4SLinus Torvalds { 67771becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 67838b3fef1SAndrei Emeltchenko 6791da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 6802f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 6811da177e4SLinus Torvalds } 6821da177e4SLinus Torvalds 68376a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 6841da177e4SLinus Torvalds { 68571becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 68638b3fef1SAndrei Emeltchenko 6871da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 68804837f64SMarcel Holtmann unsigned long timeo; 689716e4ab5SAndrei Emeltchenko 690716e4ab5SAndrei Emeltchenko switch (conn->type) { 691716e4ab5SAndrei Emeltchenko case ACL_LINK: 692716e4ab5SAndrei Emeltchenko case LE_LINK: 693a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 6946ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 6955f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 69604837f64SMarcel Holtmann if (!conn->out) 697052b30b0SMarcel Holtmann timeo *= 2; 6985a9d0a3fSWaldemar Rymarkiewicz } else { 6996ac59344SMarcel Holtmann timeo = msecs_to_jiffies(10); 7005a9d0a3fSWaldemar Rymarkiewicz } 701716e4ab5SAndrei Emeltchenko break; 702716e4ab5SAndrei Emeltchenko 703716e4ab5SAndrei Emeltchenko case AMP_LINK: 704716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 705716e4ab5SAndrei Emeltchenko break; 706716e4ab5SAndrei Emeltchenko 707716e4ab5SAndrei Emeltchenko default: 70804837f64SMarcel Holtmann timeo = msecs_to_jiffies(10); 709716e4ab5SAndrei Emeltchenko break; 7105a9d0a3fSWaldemar Rymarkiewicz } 711716e4ab5SAndrei Emeltchenko 7122f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 71319c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 7141931782bSVinicius Costa Gomes &conn->disc_work, timeo); 7151da177e4SLinus Torvalds } 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 719dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 7201da177e4SLinus Torvalds { 721376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 722376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 723376261aeSAndrei Emeltchenko 7244c724c71SDavid Herrmann put_device(&d->dev); 725010666a1SDavid Herrmann } 7261da177e4SLinus Torvalds 727dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 7281da177e4SLinus Torvalds { 729376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 730376261aeSAndrei Emeltchenko atomic_read(&d->dev.kobj.kref.refcount)); 731376261aeSAndrei Emeltchenko 7324c724c71SDavid Herrmann get_device(&d->dev); 7331da177e4SLinus Torvalds return d; 7341da177e4SLinus Torvalds } 7351da177e4SLinus Torvalds 73609fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 73709fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 7381da177e4SLinus Torvalds 739aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 7403dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 741aa2b86d7SDavid Herrmann 742155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 743155961e8SDavid Herrmann { 744155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 745155961e8SDavid Herrmann } 746155961e8SDavid Herrmann 747155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 748155961e8SDavid Herrmann { 749155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 750155961e8SDavid Herrmann } 751155961e8SDavid Herrmann 7521da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 7530c0afedfSJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 7561da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 7571da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 75859735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 7591da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 7601da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 7611da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 7621da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 7631da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 7641da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 7651da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 7661da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 7671da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 7681da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 7691da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 77040be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 7711da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 7721da177e4SLinus Torvalds 773c3c7ea65SGustavo Padovan struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, 774b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 77535f7498aSJohan Hedberg void hci_blacklist_clear(struct hci_dev *hdev); 77688c1fe4bSJohan Hedberg int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 77788c1fe4bSJohan Hedberg int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 778f0358568SJohan Hedberg 77915819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 78015819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 78115819a70SAndre Guedes void hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, 78215819a70SAndre Guedes u16 conn_min_interval, u16 conn_max_interval); 78315819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 78415819a70SAndre Guedes void hci_conn_params_clear(struct hci_dev *hdev); 78515819a70SAndre Guedes 78635f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 7872aeb9a1aSJohan Hedberg 78835f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 78955ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 790d25e28abSJohan Hedberg int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 791d25e28abSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); 79298a0b845SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8], 79398a0b845SJohan Hedberg bool master); 794ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 79535d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 79635d70271SJohan Hedberg u8 tk[16], u8 enc_size, __le16 ediv, u8 rand[8]); 797c9839a11SVinicius Costa Gomes struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 79898a0b845SJohan Hedberg u8 addr_type, bool master); 799e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 80035f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 80155ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 80255ed8ca1SJohan Hedberg 803970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 804970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 805970c4e46SJohan Hedberg u8 addr_type); 806ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 807ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 808a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 809970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 810970c4e46SJohan Hedberg 81135f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 8122763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 8132763eda6SSzymon Janc bdaddr_t *bdaddr); 8140798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8150798872eSMarcel Holtmann u8 *hash, u8 *randomizer); 8160798872eSMarcel Holtmann int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 8170798872eSMarcel Holtmann u8 *hash192, u8 *randomizer192, 8180798872eSMarcel Holtmann u8 *hash256, u8 *randomizer256); 8192763eda6SSzymon Janc int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); 8202763eda6SSzymon Janc 8211da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 8221da177e4SLinus Torvalds 823e1a26170SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 824ef222013SMarcel Holtmann int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 82599811510SSuraj Sumangala int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 826ef222013SMarcel Holtmann 8270ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 828a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 829b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 830b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 8311da177e4SLinus Torvalds 8326935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 835cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 836cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 837cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 838cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 839cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 840cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 841cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 842cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 843cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 844cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 845cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 846cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 847cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 848cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 849cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 850cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 851cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 852cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 85307a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 8541da177e4SLinus Torvalds 855eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 85653b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 85753b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 85853b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 85953b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 860d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 861d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 86253b834d2SMarcel Holtmann 86353b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 864cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 865d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 866cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 867cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 868eead27daSAndre Guedes 8691da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 87020714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 87120714bfeSFrédéric Dalleau 8725a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 87320714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 8741da177e4SLinus Torvalds { 875686ebf28SUlisses Furquim switch (type) { 876686ebf28SUlisses Furquim case ACL_LINK: 877686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 8781da177e4SLinus Torvalds 879686ebf28SUlisses Furquim case SCO_LINK: 880686ebf28SUlisses Furquim case ESCO_LINK: 88120714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 8821da177e4SLinus Torvalds 883686ebf28SUlisses Furquim default: 884686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 885686ebf28SUlisses Furquim return -EINVAL; 886686ebf28SUlisses Furquim } 8871da177e4SLinus Torvalds } 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvalds static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 8901da177e4SLinus Torvalds { 891686ebf28SUlisses Furquim switch (conn->type) { 892686ebf28SUlisses Furquim case ACL_LINK: 893686ebf28SUlisses Furquim case LE_LINK: 894686ebf28SUlisses Furquim l2cap_connect_cfm(conn, status); 895686ebf28SUlisses Furquim break; 8961da177e4SLinus Torvalds 897686ebf28SUlisses Furquim case SCO_LINK: 898686ebf28SUlisses Furquim case ESCO_LINK: 899686ebf28SUlisses Furquim sco_connect_cfm(conn, status); 900686ebf28SUlisses Furquim break; 9011da177e4SLinus Torvalds 902686ebf28SUlisses Furquim default: 903686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 904686ebf28SUlisses Furquim break; 905686ebf28SUlisses Furquim } 906e9a416b5SJohan Hedberg 907e9a416b5SJohan Hedberg if (conn->connect_cfm_cb) 908e9a416b5SJohan Hedberg conn->connect_cfm_cb(conn, status); 9091da177e4SLinus Torvalds } 9101da177e4SLinus Torvalds 9112950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 9122950f21aSMarcel Holtmann { 913686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 914686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 9152950f21aSMarcel Holtmann 916686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 9172950f21aSMarcel Holtmann } 9182950f21aSMarcel Holtmann 9192950f21aSMarcel Holtmann static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 9201da177e4SLinus Torvalds { 921686ebf28SUlisses Furquim switch (conn->type) { 922686ebf28SUlisses Furquim case ACL_LINK: 923686ebf28SUlisses Furquim case LE_LINK: 924686ebf28SUlisses Furquim l2cap_disconn_cfm(conn, reason); 925686ebf28SUlisses Furquim break; 9261da177e4SLinus Torvalds 927686ebf28SUlisses Furquim case SCO_LINK: 928686ebf28SUlisses Furquim case ESCO_LINK: 929686ebf28SUlisses Furquim sco_disconn_cfm(conn, reason); 930686ebf28SUlisses Furquim break; 9311da177e4SLinus Torvalds 932bd1eb66bSAndrei Emeltchenko /* L2CAP would be handled for BREDR chan */ 933bd1eb66bSAndrei Emeltchenko case AMP_LINK: 934bd1eb66bSAndrei Emeltchenko break; 935bd1eb66bSAndrei Emeltchenko 936686ebf28SUlisses Furquim default: 937686ebf28SUlisses Furquim BT_ERR("unknown link type %d", conn->type); 938686ebf28SUlisses Furquim break; 939686ebf28SUlisses Furquim } 940e9a416b5SJohan Hedberg 941e9a416b5SJohan Hedberg if (conn->disconn_cfm_cb) 942e9a416b5SJohan Hedberg conn->disconn_cfm_cb(conn, reason); 9431da177e4SLinus Torvalds } 9441da177e4SLinus Torvalds 9451da177e4SLinus Torvalds static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 9461da177e4SLinus Torvalds { 9478c1b2355SMarcel Holtmann __u8 encrypt; 9488c1b2355SMarcel Holtmann 949686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 950686ebf28SUlisses Furquim return; 951686ebf28SUlisses Furquim 95251a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9538c1b2355SMarcel Holtmann return; 9548c1b2355SMarcel Holtmann 9558c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 956686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 957e9a416b5SJohan Hedberg 958e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 959e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9601da177e4SLinus Torvalds } 9611da177e4SLinus Torvalds 9625a9d0a3fSWaldemar Rymarkiewicz static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, 9635a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 9641da177e4SLinus Torvalds { 965686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 966686ebf28SUlisses Furquim return; 9671da177e4SLinus Torvalds 968686ebf28SUlisses Furquim l2cap_security_cfm(conn, status, encrypt); 969e9a416b5SJohan Hedberg 970e9a416b5SJohan Hedberg if (conn->security_cfm_cb) 971e9a416b5SJohan Hedberg conn->security_cfm_cb(conn, status); 9721da177e4SLinus Torvalds } 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 9751da177e4SLinus Torvalds struct hci_cb { 9761da177e4SLinus Torvalds struct list_head list; 9771da177e4SLinus Torvalds 9781da177e4SLinus Torvalds char *name; 9791da177e4SLinus Torvalds 9805a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 9815a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 9821da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 9831da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 9841da177e4SLinus Torvalds }; 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 9871da177e4SLinus Torvalds { 988711584eaSDenis Kirjanov struct hci_cb *cb; 9898c1b2355SMarcel Holtmann __u8 encrypt; 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvalds hci_proto_auth_cfm(conn, status); 9921da177e4SLinus Torvalds 99351a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 9948c1b2355SMarcel Holtmann return; 9958c1b2355SMarcel Holtmann 9968c1b2355SMarcel Holtmann encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 9978c1b2355SMarcel Holtmann 998f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 999711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10008c1b2355SMarcel Holtmann if (cb->security_cfm) 10018c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10021da177e4SLinus Torvalds } 1003f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10041da177e4SLinus Torvalds } 10051da177e4SLinus Torvalds 10065a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 10075a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 10081da177e4SLinus Torvalds { 1009711584eaSDenis Kirjanov struct hci_cb *cb; 10101da177e4SLinus Torvalds 1011435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1012435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1013435fef20SMarcel Holtmann 101488167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 101588167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 101688167aedSVinicius Costa Gomes 10179719f8afSMarcel Holtmann hci_proto_encrypt_cfm(conn, status, encrypt); 10181da177e4SLinus Torvalds 1019f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1020711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10218c1b2355SMarcel Holtmann if (cb->security_cfm) 10228c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 10231da177e4SLinus Torvalds } 1024f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10251da177e4SLinus Torvalds } 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 10281da177e4SLinus Torvalds { 1029711584eaSDenis Kirjanov struct hci_cb *cb; 10301da177e4SLinus Torvalds 1031f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1032711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10331da177e4SLinus Torvalds if (cb->key_change_cfm) 10341da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 10351da177e4SLinus Torvalds } 1036f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10371da177e4SLinus Torvalds } 10381da177e4SLinus Torvalds 10395a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 10405a9d0a3fSWaldemar Rymarkiewicz __u8 role) 10411da177e4SLinus Torvalds { 1042711584eaSDenis Kirjanov struct hci_cb *cb; 10431da177e4SLinus Torvalds 1044f20d09d5SGustavo F. Padovan read_lock(&hci_cb_list_lock); 1045711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 10461da177e4SLinus Torvalds if (cb->role_switch_cfm) 10471da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 10481da177e4SLinus Torvalds } 1049f20d09d5SGustavo F. Padovan read_unlock(&hci_cb_list_lock); 10501da177e4SLinus Torvalds } 10511da177e4SLinus Torvalds 10526759a675SJohan Hedberg static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) 10536759a675SJohan Hedberg { 105484d9d071SJohan Hedberg size_t parsed = 0; 10556759a675SJohan Hedberg 10566c0c331eSJohan Hedberg if (data_len < 2) 10576c0c331eSJohan Hedberg return false; 10586c0c331eSJohan Hedberg 105984d9d071SJohan Hedberg while (parsed < data_len - 1) { 106084d9d071SJohan Hedberg u8 field_len = data[0]; 10616759a675SJohan Hedberg 10626759a675SJohan Hedberg if (field_len == 0) 10636759a675SJohan Hedberg break; 10646759a675SJohan Hedberg 10656759a675SJohan Hedberg parsed += field_len + 1; 10666759a675SJohan Hedberg 10676759a675SJohan Hedberg if (parsed > data_len) 10686759a675SJohan Hedberg break; 10696759a675SJohan Hedberg 10706759a675SJohan Hedberg if (data[1] == type) 10716759a675SJohan Hedberg return true; 10726759a675SJohan Hedberg 10736759a675SJohan Hedberg data += field_len + 1; 10746759a675SJohan Hedberg } 10756759a675SJohan Hedberg 10766759a675SJohan Hedberg return false; 10776759a675SJohan Hedberg } 10786759a675SJohan Hedberg 1079301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1080301cb2d8SJohan Hedberg { 1081301cb2d8SJohan Hedberg if (addr_type != 0x01) 1082301cb2d8SJohan Hedberg return false; 1083301cb2d8SJohan Hedberg 1084301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1085301cb2d8SJohan Hedberg return true; 1086301cb2d8SJohan Hedberg 1087301cb2d8SJohan Hedberg return false; 1088301cb2d8SJohan Hedberg } 1089301cb2d8SJohan Hedberg 10902426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 10912426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 10922426f3a5SJohan Hedberg { 10932426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 10942426f3a5SJohan Hedberg return NULL; 10952426f3a5SJohan Hedberg 10962426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 10972426f3a5SJohan Hedberg } 10982426f3a5SJohan Hedberg 10991da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 11001da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 11011da177e4SLinus Torvalds 11023119ae95SJohan Hedberg struct hci_request { 11033119ae95SJohan Hedberg struct hci_dev *hdev; 11043119ae95SJohan Hedberg struct sk_buff_head cmd_q; 11055d73e034SAndre Guedes 11065d73e034SAndre Guedes /* If something goes wrong when building the HCI request, the error 11075d73e034SAndre Guedes * value is stored in this field. 11085d73e034SAndre Guedes */ 11095d73e034SAndre Guedes int err; 11103119ae95SJohan Hedberg }; 11113119ae95SJohan Hedberg 11123119ae95SJohan Hedberg void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 11133119ae95SJohan Hedberg int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 111407dc93ddSJohan Hedberg void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 111507dc93ddSJohan Hedberg const void *param); 111607dc93ddSJohan Hedberg void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 111707dc93ddSJohan Hedberg const void *param, u8 event); 11189238f36aSJohan Hedberg void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); 11193119ae95SJohan Hedberg 112075e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 112107dc93ddSJohan Hedberg const void *param, u32 timeout); 11227b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 112307dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 112475e84b7cSJohan Hedberg 112507dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 112607dc93ddSJohan Hedberg const void *param); 112773d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 11280d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 11291da177e4SLinus Torvalds 1130a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1133470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1134470fe1b5SMarcel Holtmann void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); 1135cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 11361da177e4SLinus Torvalds 1137040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1138040030efSMarcel Holtmann 11390381101fSJohan Hedberg /* Management interface */ 1140591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1141591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1142591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1143591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1144591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1145591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1146f39799f5SAndre Guedes 11470d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 11480d8cc935SAndre Guedes * Discovery Procedure specification. 11490d8cc935SAndre Guedes */ 11500d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 11510d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 11520d8cc935SAndre Guedes #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) 11530d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) 11540d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 11550d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 11560d8cc935SAndre Guedes 11570381101fSJohan Hedberg int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 1158bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1159bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 11603eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1161744cf19eSJohan Hedberg int mgmt_powered(struct hci_dev *hdev, u8 powered); 1162d1967ff8SMarcel Holtmann void mgmt_discoverable_timeout(struct hci_dev *hdev); 116386a75645SMarcel Holtmann void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); 1164a330916cSMarcel Holtmann void mgmt_connectable(struct hci_dev *hdev, u8 connectable); 11654796e8afSMarcel Holtmann void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); 1166dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1167745c0ce3SVishal Agarwal bool persistent); 1168ecd90ae7SMarcel Holtmann void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 116904124681SGustavo F. Padovan u8 addr_type, u32 flags, u8 *name, u8 name_len, 117004124681SGustavo F. Padovan u8 *dev_class); 11719b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1172f0d6a0eaSMikel Astiz u8 link_type, u8 addr_type, u8 reason); 11737892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 117488c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1175445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 117648264f06SJohan Hedberg u8 addr_type, u8 status); 1177ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1178e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1179c35938b2SSzymon Janc u8 status); 11803eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1181744cf19eSJohan Hedberg u8 status); 1182744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1183272d90dfSJohan Hedberg u8 link_type, u8 addr_type, __le32 value, 1184272d90dfSJohan Hedberg u8 confirm_hint); 1185744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1186272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1187272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1188272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1189272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1190272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1191604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1192272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1193272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1194272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 119592a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 119692a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 119792a25256SJohan Hedberg u8 entered); 1198e546099cSMarcel Holtmann void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1199bab73cb6SJohan Hedberg u8 addr_type, u8 status); 1200464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 12013e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1202eac83dc6SMarcel Holtmann void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 12034e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 12047f9a903cSMarcel Holtmann u8 status); 12057667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 12064d2d2796SMarcel Holtmann void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, 12074d2d2796SMarcel Holtmann u8 *randomizer192, u8 *hash256, 12084d2d2796SMarcel Holtmann u8 *randomizer256, u8 status); 1209901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 121004124681SGustavo F. Padovan u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, 121104124681SGustavo F. Padovan u8 ssp, u8 *eir, u16 eir_len); 12129cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1213b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 12142f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 121588c1fe4bSJohan Hedberg int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 121688c1fe4bSJohan Hedberg int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1217ba74b666SJohan Hedberg void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key); 121895fbac8aSJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk); 12195976e608SMarcel Holtmann void mgmt_reenable_advertising(struct hci_dev *hdev); 1220f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1221346af67bSVinicius Costa Gomes 12221da177e4SLinus Torvalds /* HCI info for socket */ 12231da177e4SLinus Torvalds #define hci_pi(sk) ((struct hci_pinfo *) sk) 12241da177e4SLinus Torvalds 12251da177e4SLinus Torvalds struct hci_pinfo { 12261da177e4SLinus Torvalds struct bt_sock bt; 12271da177e4SLinus Torvalds struct hci_dev *hdev; 12281da177e4SLinus Torvalds struct hci_filter filter; 12291da177e4SLinus Torvalds __u32 cmsg_mask; 1230c02178d2SJohan Hedberg unsigned short channel; 12311da177e4SLinus Torvalds }; 12321da177e4SLinus Torvalds 12331da177e4SLinus Torvalds /* HCI security filter */ 12341da177e4SLinus Torvalds #define HCI_SFLT_MAX_OGF 5 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvalds struct hci_sec_filter { 12371da177e4SLinus Torvalds __u32 type_mask; 12381da177e4SLinus Torvalds __u32 event_mask[2]; 12391da177e4SLinus Torvalds __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 12401da177e4SLinus Torvalds }; 12411da177e4SLinus Torvalds 12421da177e4SLinus Torvalds /* ----- HCI requests ----- */ 12431da177e4SLinus Torvalds #define HCI_REQ_DONE 0 12441da177e4SLinus Torvalds #define HCI_REQ_PEND 1 12451da177e4SLinus Torvalds #define HCI_REQ_CANCELED 2 12461da177e4SLinus Torvalds 1247a6a67efdSThomas Gleixner #define hci_req_lock(d) mutex_lock(&d->req_lock) 1248a6a67efdSThomas Gleixner #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 12491da177e4SLinus Torvalds 12502ce603ebSClaudio Takahasi void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, 12512ce603ebSClaudio Takahasi u16 latency, u16 to_multiplier); 1252a7a595f6SVinicius Costa Gomes void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], 1253a7a595f6SVinicius Costa Gomes __u8 ltk[16]); 12542519a1fcSAndre Guedes 12555d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 12565d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 12575d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 12585d4d62f6SFrédéric Dalleau 12591da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1260