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 286d5d2ee6SHeiner Kallweit #include <linux/leds.h> 29b2d09103SIngo Molnar #include <linux/rculist.h> 30b2d09103SIngo Molnar 311da177e4SLinus Torvalds #include <net/bluetooth/hci.h> 32f49daa81SMarcel Holtmann #include <net/bluetooth/hci_sock.h> 331da177e4SLinus Torvalds 345e59b791SLuiz Augusto von Dentz /* HCI priority */ 355e59b791SLuiz Augusto von Dentz #define HCI_PRIO_MAX 7 365e59b791SLuiz Augusto von Dentz 371da177e4SLinus Torvalds /* HCI Core structures */ 381da177e4SLinus Torvalds struct inquiry_data { 391da177e4SLinus Torvalds bdaddr_t bdaddr; 401da177e4SLinus Torvalds __u8 pscan_rep_mode; 411da177e4SLinus Torvalds __u8 pscan_period_mode; 421da177e4SLinus Torvalds __u8 pscan_mode; 431da177e4SLinus Torvalds __u8 dev_class[3]; 441ebb9252SMarcel Holtmann __le16 clock_offset; 451da177e4SLinus Torvalds __s8 rssi; 4641a96212SMarcel Holtmann __u8 ssp_mode; 471da177e4SLinus Torvalds }; 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds struct inquiry_entry { 50561aafbcSJohan Hedberg struct list_head all; /* inq_cache.all */ 51561aafbcSJohan Hedberg struct list_head list; /* unknown or resolve */ 52561aafbcSJohan Hedberg enum { 53561aafbcSJohan Hedberg NAME_NOT_KNOWN, 54561aafbcSJohan Hedberg NAME_NEEDED, 55561aafbcSJohan Hedberg NAME_PENDING, 56561aafbcSJohan Hedberg NAME_KNOWN, 57561aafbcSJohan Hedberg } name_state; 581da177e4SLinus Torvalds __u32 timestamp; 591da177e4SLinus Torvalds struct inquiry_data data; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 6230883512SJohan Hedberg struct discovery_state { 634aab14e5SAndre Guedes int type; 64ff9ef578SJohan Hedberg enum { 65ff9ef578SJohan Hedberg DISCOVERY_STOPPED, 66ff9ef578SJohan Hedberg DISCOVERY_STARTING, 67343f935bSAndre Guedes DISCOVERY_FINDING, 6830dc78e1SJohan Hedberg DISCOVERY_RESOLVING, 69ff9ef578SJohan Hedberg DISCOVERY_STOPPING, 70ff9ef578SJohan Hedberg } state; 71561aafbcSJohan Hedberg struct list_head all; /* All devices found during inquiry */ 72561aafbcSJohan Hedberg struct list_head unknown; /* Name state not known */ 73561aafbcSJohan Hedberg struct list_head resolve; /* Name needs to be resolved */ 741da177e4SLinus Torvalds __u32 timestamp; 75b9a6328fSJohan Hedberg bdaddr_t last_adv_addr; 76b9a6328fSJohan Hedberg u8 last_adv_addr_type; 77ff5cd29fSJohan Hedberg s8 last_adv_rssi; 78c70a7e4cSMarcel Holtmann u32 last_adv_flags; 79b9a6328fSJohan Hedberg u8 last_adv_data[HCI_MAX_AD_LENGTH]; 80b9a6328fSJohan Hedberg u8 last_adv_data_len; 81da25cf6aSMarcel Holtmann bool report_invalid_rssi; 8282f8b651SJakub Pawlowski bool result_filtering; 8378b781caSJohan Hedberg bool limited; 8437eab042SJakub Pawlowski s8 rssi; 8537eab042SJakub Pawlowski u16 uuid_count; 8637eab042SJakub Pawlowski u8 (*uuids)[16]; 872d28cfe7SJakub Pawlowski unsigned long scan_start; 882d28cfe7SJakub Pawlowski unsigned long scan_duration; 891da177e4SLinus Torvalds }; 901da177e4SLinus Torvalds 911da177e4SLinus Torvalds struct hci_conn_hash { 921da177e4SLinus Torvalds struct list_head list; 931da177e4SLinus Torvalds unsigned int acl_num; 94bd1eb66bSAndrei Emeltchenko unsigned int amp_num; 951da177e4SLinus Torvalds unsigned int sco_num; 96fcd89c09SVille Tervo unsigned int le_num; 97f8218dc6SJohan Hedberg unsigned int le_num_slave; 981da177e4SLinus Torvalds }; 991da177e4SLinus Torvalds 100f0358568SJohan Hedberg struct bdaddr_list { 101f0358568SJohan Hedberg struct list_head list; 102f0358568SJohan Hedberg bdaddr_t bdaddr; 103b9ee0a78SMarcel Holtmann u8 bdaddr_type; 104f0358568SJohan Hedberg }; 1052aeb9a1aSJohan Hedberg 1062aeb9a1aSJohan Hedberg struct bt_uuid { 1072aeb9a1aSJohan Hedberg struct list_head list; 1082aeb9a1aSJohan Hedberg u8 uuid[16]; 10983be8ecaSJohan Hedberg u8 size; 1101aff6f09SJohan Hedberg u8 svc_hint; 1112aeb9a1aSJohan Hedberg }; 1122aeb9a1aSJohan Hedberg 1137ee4ea36SMarcel Holtmann struct smp_csrk { 1147ee4ea36SMarcel Holtmann bdaddr_t bdaddr; 1157ee4ea36SMarcel Holtmann u8 bdaddr_type; 1164cd3928aSJohan Hedberg u8 type; 1177ee4ea36SMarcel Holtmann u8 val[16]; 1187ee4ea36SMarcel Holtmann }; 1197ee4ea36SMarcel Holtmann 120b899efafSVinicius Costa Gomes struct smp_ltk { 121b899efafSVinicius Costa Gomes struct list_head list; 122970d0f1bSJohan Hedberg struct rcu_head rcu; 123b899efafSVinicius Costa Gomes bdaddr_t bdaddr; 124b899efafSVinicius Costa Gomes u8 bdaddr_type; 125b899efafSVinicius Costa Gomes u8 authenticated; 126b899efafSVinicius Costa Gomes u8 type; 127b899efafSVinicius Costa Gomes u8 enc_size; 128b899efafSVinicius Costa Gomes __le16 ediv; 129fe39c7b2SMarcel Holtmann __le64 rand; 130b899efafSVinicius Costa Gomes u8 val[16]; 13103c515d7SMarcel Holtmann }; 132b899efafSVinicius Costa Gomes 133970c4e46SJohan Hedberg struct smp_irk { 134970c4e46SJohan Hedberg struct list_head list; 135adae20cbSJohan Hedberg struct rcu_head rcu; 136970c4e46SJohan Hedberg bdaddr_t rpa; 137970c4e46SJohan Hedberg bdaddr_t bdaddr; 138970c4e46SJohan Hedberg u8 addr_type; 139970c4e46SJohan Hedberg u8 val[16]; 140970c4e46SJohan Hedberg }; 141970c4e46SJohan Hedberg 14255ed8ca1SJohan Hedberg struct link_key { 14355ed8ca1SJohan Hedberg struct list_head list; 1440378b597SJohan Hedberg struct rcu_head rcu; 14555ed8ca1SJohan Hedberg bdaddr_t bdaddr; 14655ed8ca1SJohan Hedberg u8 type; 1479b3b4460SAndrei Emeltchenko u8 val[HCI_LINK_KEY_SIZE]; 14855ed8ca1SJohan Hedberg u8 pin_len; 14955ed8ca1SJohan Hedberg }; 15055ed8ca1SJohan Hedberg 1512763eda6SSzymon Janc struct oob_data { 1522763eda6SSzymon Janc struct list_head list; 1532763eda6SSzymon Janc bdaddr_t bdaddr; 1546928a924SJohan Hedberg u8 bdaddr_type; 155f7697b16SMarcel Holtmann u8 present; 156519ca9d0SMarcel Holtmann u8 hash192[16]; 15738da1703SJohan Hedberg u8 rand192[16]; 158519ca9d0SMarcel Holtmann u8 hash256[16]; 15938da1703SJohan Hedberg u8 rand256[16]; 1602763eda6SSzymon Janc }; 1612763eda6SSzymon Janc 162203fea01SArman Uguray struct adv_info { 163d2609b34SFlorian Grandel struct list_head list; 164fffd38bcSFlorian Grandel bool pending; 165203fea01SArman Uguray __u8 instance; 166203fea01SArman Uguray __u32 flags; 167912098a6SArman Uguray __u16 timeout; 1685d900e46SFlorian Grandel __u16 remaining_time; 169d2609b34SFlorian Grandel __u16 duration; 170203fea01SArman Uguray __u16 adv_data_len; 171203fea01SArman Uguray __u8 adv_data[HCI_MAX_AD_LENGTH]; 172203fea01SArman Uguray __u16 scan_rsp_len; 173203fea01SArman Uguray __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 174203fea01SArman Uguray }; 175203fea01SArman Uguray 176db25be66SFlorian Grandel #define HCI_MAX_ADV_INSTANCES 5 177d2609b34SFlorian Grandel #define HCI_DEFAULT_ADV_DURATION 2 178d2609b34SFlorian Grandel 179490c5babSJohan Hedberg #define HCI_MAX_SHORT_NAME_LENGTH 10 180490c5babSJohan Hedberg 181d6bfd59cSJohan Hedberg /* Default LE RPA expiry time, 15 minutes */ 182d6bfd59cSJohan Hedberg #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 183d6bfd59cSJohan Hedberg 18431ad1691SAndrzej Kaczmarek /* Default min/max age of connection information (1s/3s) */ 18531ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MIN_AGE 1000 18631ad1691SAndrzej Kaczmarek #define DEFAULT_CONN_INFO_MAX_AGE 3000 18731ad1691SAndrzej Kaczmarek 188903e4541SAndrei Emeltchenko struct amp_assoc { 189903e4541SAndrei Emeltchenko __u16 len; 190903e4541SAndrei Emeltchenko __u16 offset; 19193c284eeSAndrei Emeltchenko __u16 rem_len; 19293c284eeSAndrei Emeltchenko __u16 len_so_far; 193903e4541SAndrei Emeltchenko __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 194903e4541SAndrei Emeltchenko }; 195903e4541SAndrei Emeltchenko 196d2c5d77fSJohan Hedberg #define HCI_MAX_PAGES 3 197cad718edSJohan Hedberg 1981da177e4SLinus Torvalds struct hci_dev { 1991da177e4SLinus Torvalds struct list_head list; 20009fd0de5SGustavo F. Padovan struct mutex lock; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds char name[8]; 2031da177e4SLinus Torvalds unsigned long flags; 2041da177e4SLinus Torvalds __u16 id; 205c13854ceSMarcel Holtmann __u8 bus; 206943da25dSMarcel Holtmann __u8 dev_type; 2071da177e4SLinus Torvalds bdaddr_t bdaddr; 208e30d3f5fSMarcel Holtmann bdaddr_t setup_addr; 20924c457e2SMarcel Holtmann bdaddr_t public_addr; 2107a4cd51dSMarcel Holtmann bdaddr_t random_addr; 211d13eafceSMarcel Holtmann bdaddr_t static_addr; 21256ed2cb8SJohan Hedberg __u8 adv_addr_type; 2131f6c6378SJohan Hedberg __u8 dev_name[HCI_MAX_NAME_LENGTH]; 214490c5babSJohan Hedberg __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 21580a1e1dbSJohan Hedberg __u8 eir[HCI_MAX_EIR_LENGTH]; 216c4960ecfSMichał Narajowski __u16 appearance; 217a9de9248SMarcel Holtmann __u8 dev_class[3]; 2181aff6f09SJohan Hedberg __u8 major_class; 2191aff6f09SJohan Hedberg __u8 minor_class; 220d2c5d77fSJohan Hedberg __u8 max_page; 221cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 22260e77321SJohan Hedberg __u8 le_features[8]; 223cf1d081fSJohan Hedberg __u8 le_white_list_size; 224cfdb0c2dSAnkit Navik __u8 le_resolv_list_size; 2259b008c04SJohan Hedberg __u8 le_states[8]; 226a9de9248SMarcel Holtmann __u8 commands[64]; 2271143e5a6SMarcel Holtmann __u8 hci_ver; 2281143e5a6SMarcel Holtmann __u16 hci_rev; 229d5859e22SJohan Hedberg __u8 lmp_ver; 2301143e5a6SMarcel Holtmann __u16 manufacturer; 2317d69230cSAndrei Emeltchenko __u16 lmp_subver; 2321da177e4SLinus Torvalds __u16 voice_setting; 233b4cb9fb2SMarcel Holtmann __u8 num_iac; 234c2f0f979SMarcel Holtmann __u8 stored_max_keys; 235c2f0f979SMarcel Holtmann __u8 stored_num_keys; 23617fa4b9dSJohan Hedberg __u8 io_capability; 23791c4e9b1SMarcel Holtmann __s8 inq_tx_power; 238f332ec66SJohan Hedberg __u16 page_scan_interval; 239f332ec66SJohan Hedberg __u16 page_scan_window; 240f332ec66SJohan Hedberg __u8 page_scan_type; 2413f959d46SMarcel Holtmann __u8 le_adv_channel_map; 242628531c9SGeorg Lukas __u16 le_adv_min_interval; 243628531c9SGeorg Lukas __u16 le_adv_max_interval; 244533553f8SMarcel Holtmann __u8 le_scan_type; 245bef64738SMarcel Holtmann __u16 le_scan_interval; 246bef64738SMarcel Holtmann __u16 le_scan_window; 2474e70c7e7SMarcel Holtmann __u16 le_conn_min_interval; 2484e70c7e7SMarcel Holtmann __u16 le_conn_max_interval; 24904fb7d90SMarcel Holtmann __u16 le_conn_latency; 25004fb7d90SMarcel Holtmann __u16 le_supv_timeout; 251a8e1bfaaSMarcel Holtmann __u16 le_def_tx_len; 252a8e1bfaaSMarcel Holtmann __u16 le_def_tx_time; 253a8e1bfaaSMarcel Holtmann __u16 le_max_tx_len; 254a8e1bfaaSMarcel Holtmann __u16 le_max_tx_time; 255a8e1bfaaSMarcel Holtmann __u16 le_max_rx_len; 256a8e1bfaaSMarcel Holtmann __u16 le_max_rx_time; 257b9a7a61eSLukasz Rymanowski __u16 discov_interleaved_timeout; 25831ad1691SAndrzej Kaczmarek __u16 conn_info_min_age; 25931ad1691SAndrzej Kaczmarek __u16 conn_info_max_age; 26006f5b778SMarcel Holtmann __u8 ssp_debug_mode; 261c7741d16SMarcel Holtmann __u8 hw_error_code; 26233f35721SJohan Hedberg __u32 clock; 263f332ec66SJohan Hedberg 2642b9be137SMarcel Holtmann __u16 devid_source; 2652b9be137SMarcel Holtmann __u16 devid_vendor; 2662b9be137SMarcel Holtmann __u16 devid_product; 2672b9be137SMarcel Holtmann __u16 devid_version; 2681da177e4SLinus Torvalds 2691da177e4SLinus Torvalds __u16 pkt_type; 2705b7f9909SMarcel Holtmann __u16 esco_type; 2711da177e4SLinus Torvalds __u16 link_policy; 2721da177e4SLinus Torvalds __u16 link_mode; 2731da177e4SLinus Torvalds 27404837f64SMarcel Holtmann __u32 idle_timeout; 27504837f64SMarcel Holtmann __u16 sniff_min_interval; 27604837f64SMarcel Holtmann __u16 sniff_max_interval; 27704837f64SMarcel Holtmann 278928abaa7SAndrei Emeltchenko __u8 amp_status; 279928abaa7SAndrei Emeltchenko __u32 amp_total_bw; 280928abaa7SAndrei Emeltchenko __u32 amp_max_bw; 281928abaa7SAndrei Emeltchenko __u32 amp_min_latency; 282928abaa7SAndrei Emeltchenko __u32 amp_max_pdu; 283928abaa7SAndrei Emeltchenko __u8 amp_type; 284928abaa7SAndrei Emeltchenko __u16 amp_pal_cap; 285928abaa7SAndrei Emeltchenko __u16 amp_assoc_size; 286928abaa7SAndrei Emeltchenko __u32 amp_max_flush_to; 287928abaa7SAndrei Emeltchenko __u32 amp_be_flush_to; 288928abaa7SAndrei Emeltchenko 289903e4541SAndrei Emeltchenko struct amp_assoc loc_assoc; 290903e4541SAndrei Emeltchenko 2911e89cffbSAndrei Emeltchenko __u8 flow_ctl_mode; 2921e89cffbSAndrei Emeltchenko 2939f61656aSJohan Hedberg unsigned int auto_accept_delay; 2949f61656aSJohan Hedberg 2951da177e4SLinus Torvalds unsigned long quirks; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds atomic_t cmd_cnt; 2981da177e4SLinus Torvalds unsigned int acl_cnt; 2991da177e4SLinus Torvalds unsigned int sco_cnt; 3006ed58ec5SVille Tervo unsigned int le_cnt; 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds unsigned int acl_mtu; 3031da177e4SLinus Torvalds unsigned int sco_mtu; 3046ed58ec5SVille Tervo unsigned int le_mtu; 3051da177e4SLinus Torvalds unsigned int acl_pkts; 3061da177e4SLinus Torvalds unsigned int sco_pkts; 3076ed58ec5SVille Tervo unsigned int le_pkts; 3081da177e4SLinus Torvalds 309350ee4cfSAndrei Emeltchenko __u16 block_len; 310350ee4cfSAndrei Emeltchenko __u16 block_mtu; 311350ee4cfSAndrei Emeltchenko __u16 num_blocks; 312350ee4cfSAndrei Emeltchenko __u16 block_cnt; 313350ee4cfSAndrei Emeltchenko 3141da177e4SLinus Torvalds unsigned long acl_last_tx; 3151da177e4SLinus Torvalds unsigned long sco_last_tx; 3166ed58ec5SVille Tervo unsigned long le_last_tx; 3171da177e4SLinus Torvalds 3186decb5b4SJaganath Kanakkassery __u8 le_tx_def_phys; 3196decb5b4SJaganath Kanakkassery __u8 le_rx_def_phys; 3206decb5b4SJaganath Kanakkassery 321f48fd9c8SMarcel Holtmann struct workqueue_struct *workqueue; 3226ead1bbcSJohan Hedberg struct workqueue_struct *req_workqueue; 323f48fd9c8SMarcel Holtmann 324ab81cbf9SJohan Hedberg struct work_struct power_on; 3253243553fSJohan Hedberg struct delayed_work power_off; 326c7741d16SMarcel Holtmann struct work_struct error_reset; 327ab81cbf9SJohan Hedberg 32816ab91abSJohan Hedberg __u16 discov_timeout; 32916ab91abSJohan Hedberg struct delayed_work discov_off; 33016ab91abSJohan Hedberg 3317d78525dSJohan Hedberg struct delayed_work service_cache; 3327d78525dSJohan Hedberg 33365cc2b49SMarcel Holtmann struct delayed_work cmd_timer; 334b78752ccSMarcel Holtmann 335b78752ccSMarcel Holtmann struct work_struct rx_work; 336c347b765SGustavo F. Padovan struct work_struct cmd_work; 3373eff45eaSGustavo F. Padovan struct work_struct tx_work; 3381da177e4SLinus Torvalds 339e68f072bSJohan Hedberg struct work_struct discov_update; 3402e93e53bSJohan Hedberg struct work_struct bg_scan_update; 34101b1cb87SJohan Hedberg struct work_struct scan_update; 34253c0ba74SJohan Hedberg struct work_struct connectable_update; 343aed1a885SJohan Hedberg struct work_struct discoverable_update; 3447c1fbed2SJohan Hedberg struct delayed_work le_scan_disable; 3457c1fbed2SJohan Hedberg struct delayed_work le_scan_restart; 3462e93e53bSJohan Hedberg 3471da177e4SLinus Torvalds struct sk_buff_head rx_q; 3481da177e4SLinus Torvalds struct sk_buff_head raw_q; 3491da177e4SLinus Torvalds struct sk_buff_head cmd_q; 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds struct sk_buff *sent_cmd; 3521da177e4SLinus Torvalds 353a6a67efdSThomas Gleixner struct mutex req_lock; 3541da177e4SLinus Torvalds wait_queue_head_t req_wait_q; 3551da177e4SLinus Torvalds __u32 req_status; 3561da177e4SLinus Torvalds __u32 req_result; 357f60cb305SJohan Hedberg struct sk_buff *req_skb; 358a5040efaSJohan Hedberg 35970db83c4SJohan Hedberg void *smp_data; 360ef8efe4bSJohan Hedberg void *smp_bredr_data; 3612e58ef3eSJohan Hedberg 36230883512SJohan Hedberg struct discovery_state discovery; 3631da177e4SLinus Torvalds struct hci_conn_hash conn_hash; 3645c136e90SAndre Guedes 3655c136e90SAndre Guedes struct list_head mgmt_pending; 366ea4bd8baSDavid Miller struct list_head blacklist; 3676659358eSJohan Hedberg struct list_head whitelist; 3682aeb9a1aSJohan Hedberg struct list_head uuids; 36955ed8ca1SJohan Hedberg struct list_head link_keys; 370b899efafSVinicius Costa Gomes struct list_head long_term_keys; 371970c4e46SJohan Hedberg struct list_head identity_resolving_keys; 3722763eda6SSzymon Janc struct list_head remote_oob_data; 373d2ab0ac1SMarcel Holtmann struct list_head le_white_list; 374cfdb0c2dSAnkit Navik struct list_head le_resolv_list; 37515819a70SAndre Guedes struct list_head le_conn_params; 37677a77a30SAndre Guedes struct list_head pend_le_conns; 37766f8455aSJohan Hedberg struct list_head pend_le_reports; 3782763eda6SSzymon Janc 3791da177e4SLinus Torvalds struct hci_dev_stats stat; 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds atomic_t promisc; 3821da177e4SLinus Torvalds 3835177a838SMarcel Holtmann const char *hw_info; 3845177a838SMarcel Holtmann const char *fw_info; 385ca325f69SMarcel Holtmann struct dentry *debugfs; 386ca325f69SMarcel Holtmann 387a91f2e39SMarcel Holtmann struct device dev; 3881da177e4SLinus Torvalds 389611b30f7SMarcel Holtmann struct rfkill *rfkill; 390611b30f7SMarcel Holtmann 391eacb44dfSMarcel Holtmann DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 392d23264a8SAndre Guedes 3938fa19098SJohan Hedberg __s8 adv_tx_power; 3943f0f524bSJohan Hedberg __u8 adv_data[HCI_MAX_AD_LENGTH]; 3953f0f524bSJohan Hedberg __u8 adv_data_len; 396f8e808bdSMarcel Holtmann __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 397f8e808bdSMarcel Holtmann __u8 scan_rsp_data_len; 3988fa19098SJohan Hedberg 399d2609b34SFlorian Grandel struct list_head adv_instances; 400d2609b34SFlorian Grandel unsigned int adv_instance_cnt; 401d2609b34SFlorian Grandel __u8 cur_adv_instance; 4025d900e46SFlorian Grandel __u16 adv_instance_timeout; 4035d900e46SFlorian Grandel struct delayed_work adv_instance_expire; 404203fea01SArman Uguray 405863efaf2SJohan Hedberg __u8 irk[16]; 406d6bfd59cSJohan Hedberg __u32 rpa_timeout; 407d6bfd59cSJohan Hedberg struct delayed_work rpa_expired; 4082b5224dcSMarcel Holtmann bdaddr_t rpa; 409863efaf2SJohan Hedberg 41053f863a6SMarcel Holtmann #if IS_ENABLED(CONFIG_BT_LEDS) 4116d5d2ee6SHeiner Kallweit struct led_trigger *power_led; 41253f863a6SMarcel Holtmann #endif 4136d5d2ee6SHeiner Kallweit 4141da177e4SLinus Torvalds int (*open)(struct hci_dev *hdev); 4151da177e4SLinus Torvalds int (*close)(struct hci_dev *hdev); 4161da177e4SLinus Torvalds int (*flush)(struct hci_dev *hdev); 417f41c70c4SMarcel Holtmann int (*setup)(struct hci_dev *hdev); 418a44fecbdSTedd Ho-Jeong An int (*shutdown)(struct hci_dev *hdev); 4197bd8f09fSMarcel Holtmann int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 4201da177e4SLinus Torvalds void (*notify)(struct hci_dev *hdev, unsigned int evt); 421c7741d16SMarcel Holtmann void (*hw_error)(struct hci_dev *hdev, u8 code); 42298a63aafSMarcel Holtmann int (*post_init)(struct hci_dev *hdev); 4234b4113d6SMarcel Holtmann int (*set_diag)(struct hci_dev *hdev, bool enable); 42424c457e2SMarcel Holtmann int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 4251da177e4SLinus Torvalds }; 4261da177e4SLinus Torvalds 42753502d69SAndrei Emeltchenko #define HCI_PHY_HANDLE(handle) (handle & 0xff) 42853502d69SAndrei Emeltchenko 4291da177e4SLinus Torvalds struct hci_conn { 4301da177e4SLinus Torvalds struct list_head list; 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds atomic_t refcnt; 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds bdaddr_t dst; 43529b7988aSAndre Guedes __u8 dst_type; 436662e8820SMarcel Holtmann bdaddr_t src; 437e7c4096eSMarcel Holtmann __u8 src_type; 438cb1d68f7SJohan Hedberg bdaddr_t init_addr; 439cb1d68f7SJohan Hedberg __u8 init_addr_type; 440cb1d68f7SJohan Hedberg bdaddr_t resp_addr; 441cb1d68f7SJohan Hedberg __u8 resp_addr_type; 4421da177e4SLinus Torvalds __u16 handle; 4431da177e4SLinus Torvalds __u16 state; 44404837f64SMarcel Holtmann __u8 mode; 4451da177e4SLinus Torvalds __u8 type; 44640bef302SJohan Hedberg __u8 role; 447a0c808b3SJohan Hedberg bool out; 4484c67bc74SMarcel Holtmann __u8 attempt; 4491da177e4SLinus Torvalds __u8 dev_class[3]; 450cad718edSJohan Hedberg __u8 features[HCI_MAX_PAGES][8]; 451a8746417SMarcel Holtmann __u16 pkt_type; 45204837f64SMarcel Holtmann __u16 link_policy; 45313d39315SWaldemar Rymarkiewicz __u8 key_type; 45440be492fSMarcel Holtmann __u8 auth_type; 4558c1b2355SMarcel Holtmann __u8 sec_level; 456765c2a96SJohan Hedberg __u8 pending_sec_level; 457980e1a53SJohan Hedberg __u8 pin_length; 458726b4ffcSVinicius Costa Gomes __u8 enc_key_size; 45917fa4b9dSJohan Hedberg __u8 io_capability; 46092a25256SJohan Hedberg __u32 passkey_notify; 46192a25256SJohan Hedberg __u8 passkey_entered; 462052b30b0SMarcel Holtmann __u16 disc_timeout; 46309ae260bSJohan Hedberg __u16 conn_timeout; 46410c62ddcSFrédéric Dalleau __u16 setting; 4651e406eefSAndre Guedes __u16 le_conn_min_interval; 4661e406eefSAndre Guedes __u16 le_conn_max_interval; 467e04fde60SMarcel Holtmann __u16 le_conn_interval; 468e04fde60SMarcel Holtmann __u16 le_conn_latency; 469e04fde60SMarcel Holtmann __u16 le_supv_timeout; 470fd45ada9SAlfonso Acosta __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 471fd45ada9SAlfonso Acosta __u8 le_adv_data_len; 4725ae76a94SAndrzej Kaczmarek __s8 rssi; 4735a134faeSAndrzej Kaczmarek __s8 tx_power; 474d0455ed9SAndrzej Kaczmarek __s8 max_tx_power; 47551a8efd7SJohan Hedberg unsigned long flags; 4761da177e4SLinus Torvalds 47733f35721SJohan Hedberg __u32 clock; 47833f35721SJohan Hedberg __u16 clock_accuracy; 47933f35721SJohan Hedberg 480dd983808SAndrzej Kaczmarek unsigned long conn_info_timestamp; 481dd983808SAndrzej Kaczmarek 48203b555e1SJohan Hedberg __u8 remote_cap; 48303b555e1SJohan Hedberg __u8 remote_auth; 4843161ae1cSAndrei Emeltchenko __u8 remote_id; 48503b555e1SJohan Hedberg 4861da177e4SLinus Torvalds unsigned int sent; 4871da177e4SLinus Torvalds 4881da177e4SLinus Torvalds struct sk_buff_head data_q; 4892c33c06aSGustavo F. Padovan struct list_head chan_list; 4901da177e4SLinus Torvalds 49119c40e3bSGustavo F. Padovan struct delayed_work disc_work; 4927bc18d9dSJohan Hedberg struct delayed_work auto_accept_work; 493a74a84f6SJohan Hedberg struct delayed_work idle_work; 4949489eca4SJohan Hedberg struct delayed_work le_conn_timeout; 4958ce783dcSJohan Hedberg struct work_struct le_scan_cleanup; 4961da177e4SLinus Torvalds 497b219e3acSMarcel Holtmann struct device dev; 49823b9ceb7SMarcel Holtmann struct dentry *debugfs; 499b219e3acSMarcel Holtmann 5001da177e4SLinus Torvalds struct hci_dev *hdev; 5011da177e4SLinus Torvalds void *l2cap_data; 5021da177e4SLinus Torvalds void *sco_data; 5039740e49dSAndrei Emeltchenko struct amp_mgr *amp_mgr; 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds struct hci_conn *link; 506e9a416b5SJohan Hedberg 507e9a416b5SJohan Hedberg void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 508e9a416b5SJohan Hedberg void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 509e9a416b5SJohan Hedberg void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 5101da177e4SLinus Torvalds }; 5111da177e4SLinus Torvalds 51273d80debSLuiz Augusto von Dentz struct hci_chan { 51373d80debSLuiz Augusto von Dentz struct list_head list; 51442c4e53eSAndrei Emeltchenko __u16 handle; 51573d80debSLuiz Augusto von Dentz struct hci_conn *conn; 51673d80debSLuiz Augusto von Dentz struct sk_buff_head data_q; 51773d80debSLuiz Augusto von Dentz unsigned int sent; 518168df8e5SMat Martineau __u8 state; 51973d80debSLuiz Augusto von Dentz }; 52073d80debSLuiz Augusto von Dentz 52115819a70SAndre Guedes struct hci_conn_params { 52215819a70SAndre Guedes struct list_head list; 52393450c75SJohan Hedberg struct list_head action; 52415819a70SAndre Guedes 52515819a70SAndre Guedes bdaddr_t addr; 52615819a70SAndre Guedes u8 addr_type; 52715819a70SAndre Guedes 52815819a70SAndre Guedes u16 conn_min_interval; 52915819a70SAndre Guedes u16 conn_max_interval; 530f044eb05SMarcel Holtmann u16 conn_latency; 531f044eb05SMarcel Holtmann u16 supervision_timeout; 5329fcb18efSAndre Guedes 5339fcb18efSAndre Guedes enum { 5349fcb18efSAndre Guedes HCI_AUTO_CONN_DISABLED, 535a3451d27SJohan Hedberg HCI_AUTO_CONN_REPORT, 5364b9e7e75SMarcel Holtmann HCI_AUTO_CONN_DIRECT, 5379fcb18efSAndre Guedes HCI_AUTO_CONN_ALWAYS, 5389fcb18efSAndre Guedes HCI_AUTO_CONN_LINK_LOSS, 539158e9218SJakub Pawlowski HCI_AUTO_CONN_EXPLICIT, 5409fcb18efSAndre Guedes } auto_connect; 541f161dd41SJohan Hedberg 542f161dd41SJohan Hedberg struct hci_conn *conn; 543158e9218SJakub Pawlowski bool explicit_connect; 54415819a70SAndre Guedes }; 54515819a70SAndre Guedes 5461da177e4SLinus Torvalds extern struct list_head hci_dev_list; 5471da177e4SLinus Torvalds extern struct list_head hci_cb_list; 5481da177e4SLinus Torvalds extern rwlock_t hci_dev_list_lock; 549fba7ecf0SJohan Hedberg extern struct mutex hci_cb_list_lock; 5501da177e4SLinus Torvalds 551eacb44dfSMarcel Holtmann #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 552eacb44dfSMarcel Holtmann #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 553eacb44dfSMarcel Holtmann #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 554eacb44dfSMarcel Holtmann #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 555eacb44dfSMarcel Holtmann #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 556eacb44dfSMarcel Holtmann #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 557eacb44dfSMarcel Holtmann #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 558d7a5a11dSMarcel Holtmann 559eacb44dfSMarcel Holtmann #define hci_dev_clear_volatile_flags(hdev) \ 560eacb44dfSMarcel Holtmann do { \ 561eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 562eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 563eacb44dfSMarcel Holtmann hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 564eacb44dfSMarcel Holtmann } while (0) 565516018a9SMarcel Holtmann 566686ebf28SUlisses Furquim /* ----- HCI interface to upper protocols ----- */ 567e74e58f8SJoe Perches int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 568e74e58f8SJoe Perches int l2cap_disconn_ind(struct hci_conn *hcon); 5699b4c3336SArron Wang void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 570686ebf28SUlisses Furquim 571ff50e8afSArron Wang #if IS_ENABLED(CONFIG_BT_BREDR) 572e74e58f8SJoe Perches int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 5739b4c3336SArron Wang void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 574ff50e8afSArron Wang #else 575ff50e8afSArron Wang static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 576ff50e8afSArron Wang __u8 *flags) 577ff50e8afSArron Wang { 578ff50e8afSArron Wang return 0; 579ff50e8afSArron Wang } 580ff50e8afSArron Wang 581ff50e8afSArron Wang static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 582ff50e8afSArron Wang { 583ff50e8afSArron Wang } 584ff50e8afSArron Wang #endif 585686ebf28SUlisses Furquim 5861da177e4SLinus Torvalds /* ----- Inquiry cache ----- */ 58770f23020SAndrei Emeltchenko #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 58870f23020SAndrei Emeltchenko #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 5891da177e4SLinus Torvalds 59030883512SJohan Hedberg static inline void discovery_init(struct hci_dev *hdev) 5911da177e4SLinus Torvalds { 592ff9ef578SJohan Hedberg hdev->discovery.state = DISCOVERY_STOPPED; 59330883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.all); 59430883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.unknown); 59530883512SJohan Hedberg INIT_LIST_HEAD(&hdev->discovery.resolve); 596da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 59737eab042SJakub Pawlowski hdev->discovery.rssi = HCI_RSSI_INVALID; 5981da177e4SLinus Torvalds } 5991da177e4SLinus Torvalds 6000256325eSMarcel Holtmann static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 6010256325eSMarcel Holtmann { 60282f8b651SJakub Pawlowski hdev->discovery.result_filtering = false; 603da25cf6aSMarcel Holtmann hdev->discovery.report_invalid_rssi = true; 6040256325eSMarcel Holtmann hdev->discovery.rssi = HCI_RSSI_INVALID; 6050256325eSMarcel Holtmann hdev->discovery.uuid_count = 0; 6060256325eSMarcel Holtmann kfree(hdev->discovery.uuids); 6070256325eSMarcel Holtmann hdev->discovery.uuids = NULL; 6082d28cfe7SJakub Pawlowski hdev->discovery.scan_start = 0; 6092d28cfe7SJakub Pawlowski hdev->discovery.scan_duration = 0; 6100256325eSMarcel Holtmann } 6110256325eSMarcel Holtmann 61230dc78e1SJohan Hedberg bool hci_discovery_active(struct hci_dev *hdev); 61330dc78e1SJohan Hedberg 614ff9ef578SJohan Hedberg void hci_discovery_set_state(struct hci_dev *hdev, int state); 615ff9ef578SJohan Hedberg 6161da177e4SLinus Torvalds static inline int inquiry_cache_empty(struct hci_dev *hdev) 6171da177e4SLinus Torvalds { 61830883512SJohan Hedberg return list_empty(&hdev->discovery.all); 6191da177e4SLinus Torvalds } 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds static inline long inquiry_cache_age(struct hci_dev *hdev) 6221da177e4SLinus Torvalds { 62330883512SJohan Hedberg struct discovery_state *c = &hdev->discovery; 6241da177e4SLinus Torvalds return jiffies - c->timestamp; 6251da177e4SLinus Torvalds } 6261da177e4SLinus Torvalds 6271da177e4SLinus Torvalds static inline long inquiry_entry_age(struct inquiry_entry *e) 6281da177e4SLinus Torvalds { 6291da177e4SLinus Torvalds return jiffies - e->timestamp; 6301da177e4SLinus Torvalds } 6311da177e4SLinus Torvalds 6325a9d0a3fSWaldemar Rymarkiewicz struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 6335a9d0a3fSWaldemar Rymarkiewicz bdaddr_t *bdaddr); 634561aafbcSJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 635561aafbcSJohan Hedberg bdaddr_t *bdaddr); 63630dc78e1SJohan Hedberg struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 63730dc78e1SJohan Hedberg bdaddr_t *bdaddr, 63830dc78e1SJohan Hedberg int state); 639a3d4e20aSJohan Hedberg void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 640a3d4e20aSJohan Hedberg struct inquiry_entry *ie); 641af58925cSMarcel Holtmann u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 642af58925cSMarcel Holtmann bool name_known); 6431f9b9a5dSAndre Guedes void hci_inquiry_cache_flush(struct hci_dev *hdev); 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvalds /* ----- HCI Connections ----- */ 6461da177e4SLinus Torvalds enum { 6471da177e4SLinus Torvalds HCI_CONN_AUTH_PEND, 64819f8def0SWaldemar Rymarkiewicz HCI_CONN_REAUTH_PEND, 6491da177e4SLinus Torvalds HCI_CONN_ENCRYPT_PEND, 65004837f64SMarcel Holtmann HCI_CONN_RSWITCH_PEND, 65104837f64SMarcel Holtmann HCI_CONN_MODE_CHANGE_PEND, 652e73439d8SMarcel Holtmann HCI_CONN_SCO_SETUP_PEND, 653b644ba33SJohan Hedberg HCI_CONN_MGMT_CONNECTED, 65458a681efSJohan Hedberg HCI_CONN_SSP_ENABLED, 655eb9a8f3fSMarcel Holtmann HCI_CONN_SC_ENABLED, 656abf76badSMarcel Holtmann HCI_CONN_AES_CCM, 65758a681efSJohan Hedberg HCI_CONN_POWER_SAVE, 658af6a9c32SJohan Hedberg HCI_CONN_FLUSH_KEY, 6594dae2798SJohan Hedberg HCI_CONN_ENCRYPT, 6604dae2798SJohan Hedberg HCI_CONN_AUTH, 6614dae2798SJohan Hedberg HCI_CONN_SECURE, 6624dae2798SJohan Hedberg HCI_CONN_FIPS, 663fe59a05fSJohan Hedberg HCI_CONN_STK_ENCRYPT, 664977f8fceSJohan Hedberg HCI_CONN_AUTH_INITIATOR, 665f94b665dSJohan Hedberg HCI_CONN_DROP, 66689cbb063SAlfonso Acosta HCI_CONN_PARAM_REMOVAL_PEND, 667fe8bc5acSJohan Hedberg HCI_CONN_NEW_LINK_KEY, 668158e9218SJakub Pawlowski HCI_CONN_SCANNING, 669160b9251SSzymon Janc HCI_CONN_AUTH_FAILURE, 6701da177e4SLinus Torvalds }; 6711da177e4SLinus Torvalds 672aa64a8b5SJohan Hedberg static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 673aa64a8b5SJohan Hedberg { 674aa64a8b5SJohan Hedberg struct hci_dev *hdev = conn->hdev; 675d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 676c3c7ea65SGustavo Padovan test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 677aa64a8b5SJohan Hedberg } 678aa64a8b5SJohan Hedberg 679eb9a8f3fSMarcel Holtmann static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 680eb9a8f3fSMarcel Holtmann { 681eb9a8f3fSMarcel Holtmann struct hci_dev *hdev = conn->hdev; 682d7a5a11dSMarcel Holtmann return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 683eb9a8f3fSMarcel Holtmann test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 684eb9a8f3fSMarcel Holtmann } 685eb9a8f3fSMarcel Holtmann 6861da177e4SLinus Torvalds static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 6871da177e4SLinus Torvalds { 6881da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 689bf4c6325SGustavo F. Padovan list_add_rcu(&c->list, &h->list); 690fcd89c09SVille Tervo switch (c->type) { 691fcd89c09SVille Tervo case ACL_LINK: 6921da177e4SLinus Torvalds h->acl_num++; 693fcd89c09SVille Tervo break; 694bd1eb66bSAndrei Emeltchenko case AMP_LINK: 695bd1eb66bSAndrei Emeltchenko h->amp_num++; 696bd1eb66bSAndrei Emeltchenko break; 697fcd89c09SVille Tervo case LE_LINK: 698fcd89c09SVille Tervo h->le_num++; 699f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 700f8218dc6SJohan Hedberg h->le_num_slave++; 701fcd89c09SVille Tervo break; 702fcd89c09SVille Tervo case SCO_LINK: 703fcd89c09SVille Tervo case ESCO_LINK: 7041da177e4SLinus Torvalds h->sco_num++; 705fcd89c09SVille Tervo break; 706fcd89c09SVille Tervo } 7071da177e4SLinus Torvalds } 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 7101da177e4SLinus Torvalds { 7111da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 712bf4c6325SGustavo F. Padovan 713bf4c6325SGustavo F. Padovan list_del_rcu(&c->list); 714bf4c6325SGustavo F. Padovan synchronize_rcu(); 715bf4c6325SGustavo F. Padovan 716fcd89c09SVille Tervo switch (c->type) { 717fcd89c09SVille Tervo case ACL_LINK: 7181da177e4SLinus Torvalds h->acl_num--; 719fcd89c09SVille Tervo break; 720bd1eb66bSAndrei Emeltchenko case AMP_LINK: 721bd1eb66bSAndrei Emeltchenko h->amp_num--; 722bd1eb66bSAndrei Emeltchenko break; 723fcd89c09SVille Tervo case LE_LINK: 724fcd89c09SVille Tervo h->le_num--; 725f8218dc6SJohan Hedberg if (c->role == HCI_ROLE_SLAVE) 726f8218dc6SJohan Hedberg h->le_num_slave--; 727fcd89c09SVille Tervo break; 728fcd89c09SVille Tervo case SCO_LINK: 729fcd89c09SVille Tervo case ESCO_LINK: 7301da177e4SLinus Torvalds h->sco_num--; 731fcd89c09SVille Tervo break; 732fcd89c09SVille Tervo } 7331da177e4SLinus Torvalds } 7341da177e4SLinus Torvalds 73552087a79SLuiz Augusto von Dentz static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 73652087a79SLuiz Augusto von Dentz { 73752087a79SLuiz Augusto von Dentz struct hci_conn_hash *h = &hdev->conn_hash; 73852087a79SLuiz Augusto von Dentz switch (type) { 73952087a79SLuiz Augusto von Dentz case ACL_LINK: 74052087a79SLuiz Augusto von Dentz return h->acl_num; 741bd1eb66bSAndrei Emeltchenko case AMP_LINK: 742bd1eb66bSAndrei Emeltchenko return h->amp_num; 74352087a79SLuiz Augusto von Dentz case LE_LINK: 74452087a79SLuiz Augusto von Dentz return h->le_num; 74552087a79SLuiz Augusto von Dentz case SCO_LINK: 74652087a79SLuiz Augusto von Dentz case ESCO_LINK: 74752087a79SLuiz Augusto von Dentz return h->sco_num; 74852087a79SLuiz Augusto von Dentz default: 74952087a79SLuiz Augusto von Dentz return 0; 75052087a79SLuiz Augusto von Dentz } 75152087a79SLuiz Augusto von Dentz } 75252087a79SLuiz Augusto von Dentz 753f4f07505SJohan Hedberg static inline unsigned int hci_conn_count(struct hci_dev *hdev) 754f4f07505SJohan Hedberg { 755f4f07505SJohan Hedberg struct hci_conn_hash *c = &hdev->conn_hash; 756f4f07505SJohan Hedberg 757f4f07505SJohan Hedberg return c->acl_num + c->amp_num + c->sco_num + c->le_num; 758f4f07505SJohan Hedberg } 759f4f07505SJohan Hedberg 760845472e8SMarcel Holtmann static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 761845472e8SMarcel Holtmann { 762845472e8SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 763845472e8SMarcel Holtmann struct hci_conn *c; 764845472e8SMarcel Holtmann __u8 type = INVALID_LINK; 765845472e8SMarcel Holtmann 766845472e8SMarcel Holtmann rcu_read_lock(); 767845472e8SMarcel Holtmann 768845472e8SMarcel Holtmann list_for_each_entry_rcu(c, &h->list, list) { 769845472e8SMarcel Holtmann if (c->handle == handle) { 770845472e8SMarcel Holtmann type = c->type; 771845472e8SMarcel Holtmann break; 772845472e8SMarcel Holtmann } 773845472e8SMarcel Holtmann } 774845472e8SMarcel Holtmann 775845472e8SMarcel Holtmann rcu_read_unlock(); 776845472e8SMarcel Holtmann 777845472e8SMarcel Holtmann return type; 778845472e8SMarcel Holtmann } 779845472e8SMarcel Holtmann 7801da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 7811da177e4SLinus Torvalds __u16 handle) 7821da177e4SLinus Torvalds { 7831da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 7841da177e4SLinus Torvalds struct hci_conn *c; 7851da177e4SLinus Torvalds 786bf4c6325SGustavo F. Padovan rcu_read_lock(); 787bf4c6325SGustavo F. Padovan 788bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 789bf4c6325SGustavo F. Padovan if (c->handle == handle) { 790bf4c6325SGustavo F. Padovan rcu_read_unlock(); 7911da177e4SLinus Torvalds return c; 7921da177e4SLinus Torvalds } 793bf4c6325SGustavo F. Padovan } 794bf4c6325SGustavo F. Padovan rcu_read_unlock(); 795bf4c6325SGustavo F. Padovan 7961da177e4SLinus Torvalds return NULL; 7971da177e4SLinus Torvalds } 7981da177e4SLinus Torvalds 7991da177e4SLinus Torvalds static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 8001da177e4SLinus Torvalds __u8 type, bdaddr_t *ba) 8011da177e4SLinus Torvalds { 8021da177e4SLinus Torvalds struct hci_conn_hash *h = &hdev->conn_hash; 8031da177e4SLinus Torvalds struct hci_conn *c; 8041da177e4SLinus Torvalds 805bf4c6325SGustavo F. Padovan rcu_read_lock(); 806bf4c6325SGustavo F. Padovan 807bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 808bf4c6325SGustavo F. Padovan if (c->type == type && !bacmp(&c->dst, ba)) { 809bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8101da177e4SLinus Torvalds return c; 8111da177e4SLinus Torvalds } 812bf4c6325SGustavo F. Padovan } 813bf4c6325SGustavo F. Padovan 814bf4c6325SGustavo F. Padovan rcu_read_unlock(); 815bf4c6325SGustavo F. Padovan 8161da177e4SLinus Torvalds return NULL; 8171da177e4SLinus Torvalds } 8181da177e4SLinus Torvalds 8191b51c7b6SJohan Hedberg static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 8201b51c7b6SJohan Hedberg bdaddr_t *ba, 8211b51c7b6SJohan Hedberg __u8 ba_type) 8221b51c7b6SJohan Hedberg { 8231b51c7b6SJohan Hedberg struct hci_conn_hash *h = &hdev->conn_hash; 8241b51c7b6SJohan Hedberg struct hci_conn *c; 8251b51c7b6SJohan Hedberg 8261b51c7b6SJohan Hedberg rcu_read_lock(); 8271b51c7b6SJohan Hedberg 8281b51c7b6SJohan Hedberg list_for_each_entry_rcu(c, &h->list, list) { 8291b51c7b6SJohan Hedberg if (c->type != LE_LINK) 8301b51c7b6SJohan Hedberg continue; 8311b51c7b6SJohan Hedberg 8321b51c7b6SJohan Hedberg if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 8331b51c7b6SJohan Hedberg rcu_read_unlock(); 8341b51c7b6SJohan Hedberg return c; 8351b51c7b6SJohan Hedberg } 8361b51c7b6SJohan Hedberg } 8371b51c7b6SJohan Hedberg 8381b51c7b6SJohan Hedberg rcu_read_unlock(); 8391b51c7b6SJohan Hedberg 8401b51c7b6SJohan Hedberg return NULL; 8411b51c7b6SJohan Hedberg } 8421b51c7b6SJohan Hedberg 8434c67bc74SMarcel Holtmann static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 8444c67bc74SMarcel Holtmann __u8 type, __u16 state) 8454c67bc74SMarcel Holtmann { 8464c67bc74SMarcel Holtmann struct hci_conn_hash *h = &hdev->conn_hash; 8474c67bc74SMarcel Holtmann struct hci_conn *c; 8484c67bc74SMarcel Holtmann 849bf4c6325SGustavo F. Padovan rcu_read_lock(); 850bf4c6325SGustavo F. Padovan 851bf4c6325SGustavo F. Padovan list_for_each_entry_rcu(c, &h->list, list) { 852bf4c6325SGustavo F. Padovan if (c->type == type && c->state == state) { 853bf4c6325SGustavo F. Padovan rcu_read_unlock(); 8544c67bc74SMarcel Holtmann return c; 8554c67bc74SMarcel Holtmann } 856bf4c6325SGustavo F. Padovan } 857bf4c6325SGustavo F. Padovan 858bf4c6325SGustavo F. Padovan rcu_read_unlock(); 859bf4c6325SGustavo F. Padovan 8604c67bc74SMarcel Holtmann return NULL; 8614c67bc74SMarcel Holtmann } 8624c67bc74SMarcel Holtmann 863e7d9ab73SJakub Pawlowski static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 864e7d9ab73SJakub Pawlowski { 865e7d9ab73SJakub Pawlowski struct hci_conn_hash *h = &hdev->conn_hash; 866e7d9ab73SJakub Pawlowski struct hci_conn *c; 867e7d9ab73SJakub Pawlowski 868e7d9ab73SJakub Pawlowski rcu_read_lock(); 869e7d9ab73SJakub Pawlowski 870e7d9ab73SJakub Pawlowski list_for_each_entry_rcu(c, &h->list, list) { 871e7d9ab73SJakub Pawlowski if (c->type == LE_LINK && c->state == BT_CONNECT && 872e7d9ab73SJakub Pawlowski !test_bit(HCI_CONN_SCANNING, &c->flags)) { 873e7d9ab73SJakub Pawlowski rcu_read_unlock(); 874e7d9ab73SJakub Pawlowski return c; 875e7d9ab73SJakub Pawlowski } 876e7d9ab73SJakub Pawlowski } 877e7d9ab73SJakub Pawlowski 878e7d9ab73SJakub Pawlowski rcu_read_unlock(); 879e7d9ab73SJakub Pawlowski 880e7d9ab73SJakub Pawlowski return NULL; 881e7d9ab73SJakub Pawlowski } 882e7d9ab73SJakub Pawlowski 883e3b679d5SJohan Hedberg int hci_disconnect(struct hci_conn *conn, __u8 reason); 8842dea632fSFrédéric Dalleau bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 885e73439d8SMarcel Holtmann void hci_sco_setup(struct hci_conn *conn, __u8 status); 8861da177e4SLinus Torvalds 887a5c4e309SJohan Hedberg struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 888a5c4e309SJohan Hedberg u8 role); 8891da177e4SLinus Torvalds int hci_conn_del(struct hci_conn *conn); 8901da177e4SLinus Torvalds void hci_conn_hash_flush(struct hci_dev *hdev); 891a9de9248SMarcel Holtmann void hci_conn_check_pending(struct hci_dev *hdev); 8921da177e4SLinus Torvalds 89373d80debSLuiz Augusto von Dentz struct hci_chan *hci_chan_create(struct hci_conn *conn); 8949472007cSAndrei Emeltchenko void hci_chan_del(struct hci_chan *chan); 8952c33c06aSGustavo F. Padovan void hci_chan_list_flush(struct hci_conn *conn); 89642c4e53eSAndrei Emeltchenko struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 89773d80debSLuiz Augusto von Dentz 898f75113a2SJakub Pawlowski struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 899f75113a2SJakub Pawlowski u8 dst_type, u8 sec_level, 9000ad06aa6SJohan Hedberg u16 conn_timeout); 90104a6c589SAndre Guedes struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 902cdd6275eSJohan Hedberg u8 dst_type, u8 sec_level, u16 conn_timeout, 903082f2300SSzymon Janc u8 role, bdaddr_t *direct_rpa); 90404a6c589SAndre Guedes struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 90504a6c589SAndre Guedes u8 sec_level, u8 auth_type); 90610c62ddcSFrédéric Dalleau struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 90710c62ddcSFrédéric Dalleau __u16 setting); 908e7c29cb1SMarcel Holtmann int hci_conn_check_link_mode(struct hci_conn *conn); 909b3b1b061SWaldemar Rymarkiewicz int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 910e7cafc45SJohan Hedberg int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 911e7cafc45SJohan Hedberg bool initiator); 9128c1b2355SMarcel Holtmann int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 9131da177e4SLinus Torvalds 91414b12d0bSJaikumar Ganesh void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 9151da177e4SLinus Torvalds 91606c053fbSAndre Guedes void hci_le_conn_failed(struct hci_conn *conn, u8 status); 91706c053fbSAndre Guedes 9188d12356fSDavid Herrmann /* 9198d12356fSDavid Herrmann * hci_conn_get() and hci_conn_put() are used to control the life-time of an 9208d12356fSDavid Herrmann * "hci_conn" object. They do not guarantee that the hci_conn object is running, 9218d12356fSDavid Herrmann * working or anything else. They just guarantee that the object is available 9228d12356fSDavid Herrmann * and can be dereferenced. So you can use its locks, local variables and any 9238d12356fSDavid Herrmann * other constant data. 9248d12356fSDavid Herrmann * Before accessing runtime data, you _must_ lock the object and then check that 9258d12356fSDavid Herrmann * it is still running. As soon as you release the locks, the connection might 9268d12356fSDavid Herrmann * get dropped, though. 9278d12356fSDavid Herrmann * 9288d12356fSDavid Herrmann * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 9298d12356fSDavid Herrmann * how long the underlying connection is held. So every channel that runs on the 9308d12356fSDavid Herrmann * hci_conn object calls this to prevent the connection from disappearing. As 9318d12356fSDavid Herrmann * long as you hold a device, you must also guarantee that you have a valid 9328d12356fSDavid Herrmann * reference to the device via hci_conn_get() (or the initial reference from 9338d12356fSDavid Herrmann * hci_conn_add()). 9348d12356fSDavid Herrmann * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 9358d12356fSDavid Herrmann * break because nobody cares for that. But this means, we cannot use 9368d12356fSDavid Herrmann * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 9378d12356fSDavid Herrmann */ 9388d12356fSDavid Herrmann 93951bb8457SJohan Hedberg static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 9408d12356fSDavid Herrmann { 9418d12356fSDavid Herrmann get_device(&conn->dev); 94251bb8457SJohan Hedberg return conn; 9438d12356fSDavid Herrmann } 9448d12356fSDavid Herrmann 9458d12356fSDavid Herrmann static inline void hci_conn_put(struct hci_conn *conn) 9468d12356fSDavid Herrmann { 9478d12356fSDavid Herrmann put_device(&conn->dev); 9488d12356fSDavid Herrmann } 9498d12356fSDavid Herrmann 9501da177e4SLinus Torvalds static inline void hci_conn_hold(struct hci_conn *conn) 9511da177e4SLinus Torvalds { 95271becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 95338b3fef1SAndrei Emeltchenko 9541da177e4SLinus Torvalds atomic_inc(&conn->refcnt); 9552f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 9561da177e4SLinus Torvalds } 9571da177e4SLinus Torvalds 95876a68ba0SDavid Herrmann static inline void hci_conn_drop(struct hci_conn *conn) 9591da177e4SLinus Torvalds { 96071becf0cSAndrei Emeltchenko BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 96138b3fef1SAndrei Emeltchenko 9621da177e4SLinus Torvalds if (atomic_dec_and_test(&conn->refcnt)) { 96304837f64SMarcel Holtmann unsigned long timeo; 964716e4ab5SAndrei Emeltchenko 965716e4ab5SAndrei Emeltchenko switch (conn->type) { 966716e4ab5SAndrei Emeltchenko case ACL_LINK: 967716e4ab5SAndrei Emeltchenko case LE_LINK: 968a74a84f6SJohan Hedberg cancel_delayed_work(&conn->idle_work); 9696ac59344SMarcel Holtmann if (conn->state == BT_CONNECTED) { 9705f246e89SAndrei Emeltchenko timeo = conn->disc_timeout; 97104837f64SMarcel Holtmann if (!conn->out) 972052b30b0SMarcel Holtmann timeo *= 2; 9735a9d0a3fSWaldemar Rymarkiewicz } else { 974eb78d7e5SJohan Hedberg timeo = 0; 9755a9d0a3fSWaldemar Rymarkiewicz } 976716e4ab5SAndrei Emeltchenko break; 977716e4ab5SAndrei Emeltchenko 978716e4ab5SAndrei Emeltchenko case AMP_LINK: 979716e4ab5SAndrei Emeltchenko timeo = conn->disc_timeout; 980716e4ab5SAndrei Emeltchenko break; 981716e4ab5SAndrei Emeltchenko 982716e4ab5SAndrei Emeltchenko default: 983eb78d7e5SJohan Hedberg timeo = 0; 984716e4ab5SAndrei Emeltchenko break; 9855a9d0a3fSWaldemar Rymarkiewicz } 986716e4ab5SAndrei Emeltchenko 9872f304d1eSAndre Guedes cancel_delayed_work(&conn->disc_work); 98819c40e3bSGustavo F. Padovan queue_delayed_work(conn->hdev->workqueue, 9891931782bSVinicius Costa Gomes &conn->disc_work, timeo); 9901da177e4SLinus Torvalds } 9911da177e4SLinus Torvalds } 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvalds /* ----- HCI Devices ----- */ 994dc946bd8SDavid Herrmann static inline void hci_dev_put(struct hci_dev *d) 9951da177e4SLinus Torvalds { 996376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 9972c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 998376261aeSAndrei Emeltchenko 9994c724c71SDavid Herrmann put_device(&d->dev); 1000010666a1SDavid Herrmann } 10011da177e4SLinus Torvalds 1002dc946bd8SDavid Herrmann static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 10031da177e4SLinus Torvalds { 1004376261aeSAndrei Emeltchenko BT_DBG("%s orig refcnt %d", d->name, 10052c935bc5SPeter Zijlstra kref_read(&d->dev.kobj.kref)); 1006376261aeSAndrei Emeltchenko 10074c724c71SDavid Herrmann get_device(&d->dev); 10081da177e4SLinus Torvalds return d; 10091da177e4SLinus Torvalds } 10101da177e4SLinus Torvalds 101109fd0de5SGustavo F. Padovan #define hci_dev_lock(d) mutex_lock(&d->lock) 101209fd0de5SGustavo F. Padovan #define hci_dev_unlock(d) mutex_unlock(&d->lock) 10131da177e4SLinus Torvalds 1014aa2b86d7SDavid Herrmann #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 10153dc07322SDavid Herrmann #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1016aa2b86d7SDavid Herrmann 1017155961e8SDavid Herrmann static inline void *hci_get_drvdata(struct hci_dev *hdev) 1018155961e8SDavid Herrmann { 1019155961e8SDavid Herrmann return dev_get_drvdata(&hdev->dev); 1020155961e8SDavid Herrmann } 1021155961e8SDavid Herrmann 1022155961e8SDavid Herrmann static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1023155961e8SDavid Herrmann { 1024155961e8SDavid Herrmann dev_set_drvdata(&hdev->dev, data); 1025155961e8SDavid Herrmann } 1026155961e8SDavid Herrmann 10271da177e4SLinus Torvalds struct hci_dev *hci_dev_get(int index); 102839385cb5SJohan Hedberg struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvalds struct hci_dev *hci_alloc_dev(void); 10311da177e4SLinus Torvalds void hci_free_dev(struct hci_dev *hdev); 10321da177e4SLinus Torvalds int hci_register_dev(struct hci_dev *hdev); 103359735631SDavid Herrmann void hci_unregister_dev(struct hci_dev *hdev); 10341da177e4SLinus Torvalds int hci_suspend_dev(struct hci_dev *hdev); 10351da177e4SLinus Torvalds int hci_resume_dev(struct hci_dev *hdev); 103675e0569fSMarcel Holtmann int hci_reset_dev(struct hci_dev *hdev); 1037f962fe32SMarcel Holtmann int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1038f962fe32SMarcel Holtmann int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 10391aabbbceSNicolas Iooss __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 10401aabbbceSNicolas Iooss __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 10411da177e4SLinus Torvalds int hci_dev_open(__u16 dev); 10421da177e4SLinus Torvalds int hci_dev_close(__u16 dev); 10436b3cc1dbSSimon Fels int hci_dev_do_close(struct hci_dev *hdev); 10441da177e4SLinus Torvalds int hci_dev_reset(__u16 dev); 10451da177e4SLinus Torvalds int hci_dev_reset_stat(__u16 dev); 10461da177e4SLinus Torvalds int hci_dev_cmd(unsigned int cmd, void __user *arg); 10471da177e4SLinus Torvalds int hci_get_dev_list(void __user *arg); 10481da177e4SLinus Torvalds int hci_get_dev_info(void __user *arg); 10491da177e4SLinus Torvalds int hci_get_conn_list(void __user *arg); 10501da177e4SLinus Torvalds int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 105140be492fSMarcel Holtmann int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 10521da177e4SLinus Torvalds int hci_inquiry(void __user *arg); 10531da177e4SLinus Torvalds 1054dcc36c16SJohan Hedberg struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1055b9ee0a78SMarcel Holtmann bdaddr_t *bdaddr, u8 type); 1056dcc36c16SJohan Hedberg int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1057dcc36c16SJohan Hedberg int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1058dcc36c16SJohan Hedberg void hci_bdaddr_list_clear(struct list_head *list); 1059d2ab0ac1SMarcel Holtmann 106015819a70SAndre Guedes struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 106115819a70SAndre Guedes bdaddr_t *addr, u8 addr_type); 106251d167c0SMarcel Holtmann struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 106351d167c0SMarcel Holtmann bdaddr_t *addr, u8 addr_type); 106415819a70SAndre Guedes void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 106555af49a8SJohan Hedberg void hci_conn_params_clear_disabled(struct hci_dev *hdev); 106615819a70SAndre Guedes 1067501f8827SJohan Hedberg struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1068501f8827SJohan Hedberg bdaddr_t *addr, 1069501f8827SJohan Hedberg u8 addr_type); 107077a77a30SAndre Guedes 107135f7498aSJohan Hedberg void hci_uuids_clear(struct hci_dev *hdev); 10722aeb9a1aSJohan Hedberg 107335f7498aSJohan Hedberg void hci_link_keys_clear(struct hci_dev *hdev); 107455ed8ca1SJohan Hedberg struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1075567fa2aaSJohan Hedberg struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 10767652ff6aSJohan Hedberg bdaddr_t *bdaddr, u8 *val, u8 type, 10777652ff6aSJohan Hedberg u8 pin_len, bool *persistent); 1078ca9142b8SJohan Hedberg struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 107935d70271SJohan Hedberg u8 addr_type, u8 type, u8 authenticated, 1080fe39c7b2SMarcel Holtmann u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1081f3a73d97SJohan Hedberg struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1082e804d25dSJohan Hedberg u8 addr_type, u8 role); 1083e0b2b27eSJohan Hedberg int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 108435f7498aSJohan Hedberg void hci_smp_ltks_clear(struct hci_dev *hdev); 108555ed8ca1SJohan Hedberg int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 108655ed8ca1SJohan Hedberg 1087970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1088970c4e46SJohan Hedberg struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1089970c4e46SJohan Hedberg u8 addr_type); 1090ca9142b8SJohan Hedberg struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1091ca9142b8SJohan Hedberg u8 addr_type, u8 val[16], bdaddr_t *rpa); 1092a7ec7338SJohan Hedberg void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1093970c4e46SJohan Hedberg void hci_smp_irks_clear(struct hci_dev *hdev); 1094970c4e46SJohan Hedberg 109555e76b38SJohan Hedberg bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 109655e76b38SJohan Hedberg 109735f7498aSJohan Hedberg void hci_remote_oob_data_clear(struct hci_dev *hdev); 10982763eda6SSzymon Janc struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 10996928a924SJohan Hedberg bdaddr_t *bdaddr, u8 bdaddr_type); 11000798872eSMarcel Holtmann int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 11016928a924SJohan Hedberg u8 bdaddr_type, u8 *hash192, u8 *rand192, 110238da1703SJohan Hedberg u8 *hash256, u8 *rand256); 11036928a924SJohan Hedberg int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 11046928a924SJohan Hedberg u8 bdaddr_type); 11052763eda6SSzymon Janc 1106d2609b34SFlorian Grandel void hci_adv_instances_clear(struct hci_dev *hdev); 1107d2609b34SFlorian Grandel struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1108d2609b34SFlorian Grandel struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1109d2609b34SFlorian Grandel int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1110d2609b34SFlorian Grandel u16 adv_data_len, u8 *adv_data, 1111d2609b34SFlorian Grandel u16 scan_rsp_len, u8 *scan_rsp_data, 1112d2609b34SFlorian Grandel u16 timeout, u16 duration); 1113d2609b34SFlorian Grandel int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1114d2609b34SFlorian Grandel 11151da177e4SLinus Torvalds void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 11161da177e4SLinus Torvalds 11170ac7e700SDavid Herrmann void hci_init_sysfs(struct hci_dev *hdev); 1118a67e899cSMarcel Holtmann void hci_conn_init_sysfs(struct hci_conn *conn); 1119b219e3acSMarcel Holtmann void hci_conn_add_sysfs(struct hci_conn *conn); 1120b219e3acSMarcel Holtmann void hci_conn_del_sysfs(struct hci_conn *conn); 11211da177e4SLinus Torvalds 11226935e0f5SDavid Herrmann #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 11231da177e4SLinus Torvalds 11241da177e4SLinus Torvalds /* ----- LMP capabilities ----- */ 1125cad718edSJohan Hedberg #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1126cad718edSJohan Hedberg #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1127cad718edSJohan Hedberg #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1128cad718edSJohan Hedberg #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1129cad718edSJohan Hedberg #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1130cad718edSJohan Hedberg #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1131cad718edSJohan Hedberg #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1132cad718edSJohan Hedberg #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1133cad718edSJohan Hedberg #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1134cad718edSJohan Hedberg #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1135cad718edSJohan Hedberg #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1136cad718edSJohan Hedberg #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1137cad718edSJohan Hedberg #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1138cad718edSJohan Hedberg #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1139cad718edSJohan Hedberg #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1140cad718edSJohan Hedberg #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1141cad718edSJohan Hedberg #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1142cad718edSJohan Hedberg #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 114307a5c61eSFrédéric Dalleau #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 11445075b972SJaganath Kanakkassery #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 11455075b972SJaganath Kanakkassery #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 11465075b972SJaganath Kanakkassery #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 11475075b972SJaganath Kanakkassery #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 11481da177e4SLinus Torvalds 1149eead27daSAndre Guedes /* ----- Extended LMP capabilities ----- */ 115053b834d2SMarcel Holtmann #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 115153b834d2SMarcel Holtmann #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 115253b834d2SMarcel Holtmann #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 115353b834d2SMarcel Holtmann #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1154d5991585SMarcel Holtmann #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1155d5991585SMarcel Holtmann #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 115653b834d2SMarcel Holtmann 115753b834d2SMarcel Holtmann /* ----- Host capabilities ----- */ 1158cad718edSJohan Hedberg #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1159d5991585SMarcel Holtmann #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1160cad718edSJohan Hedberg #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1161cad718edSJohan Hedberg #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1162eead27daSAndre Guedes 1163d7a5a11dSMarcel Holtmann #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1164d7a5a11dSMarcel Holtmann !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 116505b3c3e7SMarcel Holtmann #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1166d7a5a11dSMarcel Holtmann hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1167432df05eSJohan Hedberg 1168a2344b9eSJaganath Kanakkassery /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1169a2344b9eSJaganath Kanakkassery #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1170a2344b9eSJaganath Kanakkassery ((dev)->commands[37] & 0x40)) 11714d94f95dSJaganath Kanakkassery /* Use ext create connection if command is supported */ 11724d94f95dSJaganath Kanakkassery #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1173a2344b9eSJaganath Kanakkassery 11741da177e4SLinus Torvalds /* ----- HCI protocols ----- */ 117520714bfeSFrédéric Dalleau #define HCI_PROTO_DEFER 0x01 117620714bfeSFrédéric Dalleau 11775a9d0a3fSWaldemar Rymarkiewicz static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 117820714bfeSFrédéric Dalleau __u8 type, __u8 *flags) 11791da177e4SLinus Torvalds { 1180686ebf28SUlisses Furquim switch (type) { 1181686ebf28SUlisses Furquim case ACL_LINK: 1182686ebf28SUlisses Furquim return l2cap_connect_ind(hdev, bdaddr); 11831da177e4SLinus Torvalds 1184686ebf28SUlisses Furquim case SCO_LINK: 1185686ebf28SUlisses Furquim case ESCO_LINK: 118620714bfeSFrédéric Dalleau return sco_connect_ind(hdev, bdaddr, flags); 11871da177e4SLinus Torvalds 1188686ebf28SUlisses Furquim default: 1189686ebf28SUlisses Furquim BT_ERR("unknown link type %d", type); 1190686ebf28SUlisses Furquim return -EINVAL; 1191686ebf28SUlisses Furquim } 11921da177e4SLinus Torvalds } 11931da177e4SLinus Torvalds 11942950f21aSMarcel Holtmann static inline int hci_proto_disconn_ind(struct hci_conn *conn) 11952950f21aSMarcel Holtmann { 1196686ebf28SUlisses Furquim if (conn->type != ACL_LINK && conn->type != LE_LINK) 1197686ebf28SUlisses Furquim return HCI_ERROR_REMOTE_USER_TERM; 11982950f21aSMarcel Holtmann 1199686ebf28SUlisses Furquim return l2cap_disconn_ind(conn); 12002950f21aSMarcel Holtmann } 12012950f21aSMarcel Holtmann 12021da177e4SLinus Torvalds /* ----- HCI callbacks ----- */ 12031da177e4SLinus Torvalds struct hci_cb { 12041da177e4SLinus Torvalds struct list_head list; 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvalds char *name; 12071da177e4SLinus Torvalds 1208539c496dSJohan Hedberg void (*connect_cfm) (struct hci_conn *conn, __u8 status); 12093a6d576bSJohan Hedberg void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 12105a9d0a3fSWaldemar Rymarkiewicz void (*security_cfm) (struct hci_conn *conn, __u8 status, 12115a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt); 12121da177e4SLinus Torvalds void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 12131da177e4SLinus Torvalds void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 12141da177e4SLinus Torvalds }; 12151da177e4SLinus Torvalds 1216539c496dSJohan Hedberg static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1217539c496dSJohan Hedberg { 1218539c496dSJohan Hedberg struct hci_cb *cb; 1219539c496dSJohan Hedberg 1220539c496dSJohan Hedberg mutex_lock(&hci_cb_list_lock); 1221539c496dSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 1222539c496dSJohan Hedberg if (cb->connect_cfm) 1223539c496dSJohan Hedberg cb->connect_cfm(conn, status); 1224539c496dSJohan Hedberg } 1225539c496dSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1226539c496dSJohan Hedberg 1227539c496dSJohan Hedberg if (conn->connect_cfm_cb) 1228539c496dSJohan Hedberg conn->connect_cfm_cb(conn, status); 1229539c496dSJohan Hedberg } 1230539c496dSJohan Hedberg 12313a6d576bSJohan Hedberg static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 12323a6d576bSJohan Hedberg { 12333a6d576bSJohan Hedberg struct hci_cb *cb; 12343a6d576bSJohan Hedberg 12353a6d576bSJohan Hedberg mutex_lock(&hci_cb_list_lock); 12363a6d576bSJohan Hedberg list_for_each_entry(cb, &hci_cb_list, list) { 12373a6d576bSJohan Hedberg if (cb->disconn_cfm) 12383a6d576bSJohan Hedberg cb->disconn_cfm(conn, reason); 12393a6d576bSJohan Hedberg } 12403a6d576bSJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12413a6d576bSJohan Hedberg 12423a6d576bSJohan Hedberg if (conn->disconn_cfm_cb) 12433a6d576bSJohan Hedberg conn->disconn_cfm_cb(conn, reason); 12443a6d576bSJohan Hedberg } 12453a6d576bSJohan Hedberg 12461da177e4SLinus Torvalds static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 12471da177e4SLinus Torvalds { 1248711584eaSDenis Kirjanov struct hci_cb *cb; 12498c1b2355SMarcel Holtmann __u8 encrypt; 12501da177e4SLinus Torvalds 125151a8efd7SJohan Hedberg if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 12528c1b2355SMarcel Holtmann return; 12538c1b2355SMarcel Holtmann 12544dae2798SJohan Hedberg encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 12558c1b2355SMarcel Holtmann 1256fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1257711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12588c1b2355SMarcel Holtmann if (cb->security_cfm) 12598c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12601da177e4SLinus Torvalds } 1261fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1262354fe804SJohan Hedberg 1263354fe804SJohan Hedberg if (conn->security_cfm_cb) 1264354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12651da177e4SLinus Torvalds } 12661da177e4SLinus Torvalds 12675a9d0a3fSWaldemar Rymarkiewicz static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, 12685a9d0a3fSWaldemar Rymarkiewicz __u8 encrypt) 12691da177e4SLinus Torvalds { 1270711584eaSDenis Kirjanov struct hci_cb *cb; 12711da177e4SLinus Torvalds 1272435fef20SMarcel Holtmann if (conn->sec_level == BT_SECURITY_SDP) 1273435fef20SMarcel Holtmann conn->sec_level = BT_SECURITY_LOW; 1274435fef20SMarcel Holtmann 127588167aedSVinicius Costa Gomes if (conn->pending_sec_level > conn->sec_level) 127688167aedSVinicius Costa Gomes conn->sec_level = conn->pending_sec_level; 127788167aedSVinicius Costa Gomes 1278fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1279711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12808c1b2355SMarcel Holtmann if (cb->security_cfm) 12818c1b2355SMarcel Holtmann cb->security_cfm(conn, status, encrypt); 12821da177e4SLinus Torvalds } 1283fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 1284354fe804SJohan Hedberg 1285354fe804SJohan Hedberg if (conn->security_cfm_cb) 1286354fe804SJohan Hedberg conn->security_cfm_cb(conn, status); 12871da177e4SLinus Torvalds } 12881da177e4SLinus Torvalds 12891da177e4SLinus Torvalds static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 12901da177e4SLinus Torvalds { 1291711584eaSDenis Kirjanov struct hci_cb *cb; 12921da177e4SLinus Torvalds 1293fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1294711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 12951da177e4SLinus Torvalds if (cb->key_change_cfm) 12961da177e4SLinus Torvalds cb->key_change_cfm(conn, status); 12971da177e4SLinus Torvalds } 1298fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 12991da177e4SLinus Torvalds } 13001da177e4SLinus Torvalds 13015a9d0a3fSWaldemar Rymarkiewicz static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 13025a9d0a3fSWaldemar Rymarkiewicz __u8 role) 13031da177e4SLinus Torvalds { 1304711584eaSDenis Kirjanov struct hci_cb *cb; 13051da177e4SLinus Torvalds 1306fba7ecf0SJohan Hedberg mutex_lock(&hci_cb_list_lock); 1307711584eaSDenis Kirjanov list_for_each_entry(cb, &hci_cb_list, list) { 13081da177e4SLinus Torvalds if (cb->role_switch_cfm) 13091da177e4SLinus Torvalds cb->role_switch_cfm(conn, status, role); 13101da177e4SLinus Torvalds } 1311fba7ecf0SJohan Hedberg mutex_unlock(&hci_cb_list_lock); 13121da177e4SLinus Torvalds } 13131da177e4SLinus Torvalds 13140d3b7f64SJohan Hedberg static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 13150d3b7f64SJohan Hedberg size_t *data_len) 13166759a675SJohan Hedberg { 131784d9d071SJohan Hedberg size_t parsed = 0; 13186759a675SJohan Hedberg 13190d3b7f64SJohan Hedberg if (eir_len < 2) 13200d3b7f64SJohan Hedberg return NULL; 13216c0c331eSJohan Hedberg 13220d3b7f64SJohan Hedberg while (parsed < eir_len - 1) { 13230d3b7f64SJohan Hedberg u8 field_len = eir[0]; 13246759a675SJohan Hedberg 13256759a675SJohan Hedberg if (field_len == 0) 13266759a675SJohan Hedberg break; 13276759a675SJohan Hedberg 13286759a675SJohan Hedberg parsed += field_len + 1; 13296759a675SJohan Hedberg 13300d3b7f64SJohan Hedberg if (parsed > eir_len) 13316759a675SJohan Hedberg break; 13326759a675SJohan Hedberg 13330d3b7f64SJohan Hedberg if (eir[1] != type) { 13340d3b7f64SJohan Hedberg eir += field_len + 1; 13350d3b7f64SJohan Hedberg continue; 13366759a675SJohan Hedberg } 13376759a675SJohan Hedberg 13380d3b7f64SJohan Hedberg /* Zero length data */ 13390d3b7f64SJohan Hedberg if (field_len == 1) 13400d3b7f64SJohan Hedberg return NULL; 13410d3b7f64SJohan Hedberg 13420d3b7f64SJohan Hedberg if (data_len) 13430d3b7f64SJohan Hedberg *data_len = field_len - 1; 13440d3b7f64SJohan Hedberg 13450d3b7f64SJohan Hedberg return &eir[2]; 13460d3b7f64SJohan Hedberg } 13470d3b7f64SJohan Hedberg 13480d3b7f64SJohan Hedberg return NULL; 13496759a675SJohan Hedberg } 13506759a675SJohan Hedberg 1351301cb2d8SJohan Hedberg static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1352301cb2d8SJohan Hedberg { 1353dbbfa2abSAndre Guedes if (addr_type != ADDR_LE_DEV_RANDOM) 1354301cb2d8SJohan Hedberg return false; 1355301cb2d8SJohan Hedberg 1356301cb2d8SJohan Hedberg if ((bdaddr->b[5] & 0xc0) == 0x40) 1357301cb2d8SJohan Hedberg return true; 1358301cb2d8SJohan Hedberg 1359301cb2d8SJohan Hedberg return false; 1360301cb2d8SJohan Hedberg } 1361301cb2d8SJohan Hedberg 1362c46245b3SJohan Hedberg static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1363c46245b3SJohan Hedberg { 1364c46245b3SJohan Hedberg if (addr_type == ADDR_LE_DEV_PUBLIC) 1365c46245b3SJohan Hedberg return true; 1366c46245b3SJohan Hedberg 1367c46245b3SJohan Hedberg /* Check for Random Static address type */ 1368c46245b3SJohan Hedberg if ((addr->b[5] & 0xc0) == 0xc0) 1369c46245b3SJohan Hedberg return true; 1370c46245b3SJohan Hedberg 1371c46245b3SJohan Hedberg return false; 1372c46245b3SJohan Hedberg } 1373c46245b3SJohan Hedberg 13742426f3a5SJohan Hedberg static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 13752426f3a5SJohan Hedberg bdaddr_t *bdaddr, u8 addr_type) 13762426f3a5SJohan Hedberg { 13772426f3a5SJohan Hedberg if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 13782426f3a5SJohan Hedberg return NULL; 13792426f3a5SJohan Hedberg 13802426f3a5SJohan Hedberg return hci_find_irk_by_rpa(hdev, bdaddr); 13812426f3a5SJohan Hedberg } 13822426f3a5SJohan Hedberg 1383d4905f24SAndre Guedes static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1384d4905f24SAndre Guedes u16 to_multiplier) 1385d4905f24SAndre Guedes { 1386d4905f24SAndre Guedes u16 max_latency; 1387d4905f24SAndre Guedes 1388d4905f24SAndre Guedes if (min > max || min < 6 || max > 3200) 1389d4905f24SAndre Guedes return -EINVAL; 1390d4905f24SAndre Guedes 1391d4905f24SAndre Guedes if (to_multiplier < 10 || to_multiplier > 3200) 1392d4905f24SAndre Guedes return -EINVAL; 1393d4905f24SAndre Guedes 1394d4905f24SAndre Guedes if (max >= to_multiplier * 8) 1395d4905f24SAndre Guedes return -EINVAL; 1396d4905f24SAndre Guedes 13978757825bSSeungyoun Ju max_latency = (to_multiplier * 4 / max) - 1; 1398d4905f24SAndre Guedes if (latency > 499 || latency > max_latency) 1399d4905f24SAndre Guedes return -EINVAL; 1400d4905f24SAndre Guedes 1401d4905f24SAndre Guedes return 0; 1402d4905f24SAndre Guedes } 1403d4905f24SAndre Guedes 14041da177e4SLinus Torvalds int hci_register_cb(struct hci_cb *hcb); 14051da177e4SLinus Torvalds int hci_unregister_cb(struct hci_cb *hcb); 14061da177e4SLinus Torvalds 140775e84b7cSJohan Hedberg struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 140807dc93ddSJohan Hedberg const void *param, u32 timeout); 14097b1abbbeSJohan Hedberg struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 141007dc93ddSJohan Hedberg const void *param, u8 event, u32 timeout); 1411d6ee6ad7SLoic Poulain int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1412d6ee6ad7SLoic Poulain const void *param); 141375e84b7cSJohan Hedberg 141407dc93ddSJohan Hedberg int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 141507dc93ddSJohan Hedberg const void *param); 141673d80debSLuiz Augusto von Dentz void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 14170d861d8bSGustavo F. Padovan void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 14181da177e4SLinus Torvalds 1419a9de9248SMarcel Holtmann void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 14201da177e4SLinus Torvalds 1421fbef168fSLoic Poulain struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1422fbef168fSLoic Poulain const void *param, u32 timeout); 1423fbef168fSLoic Poulain 14241da177e4SLinus Torvalds /* ----- HCI Sockets ----- */ 1425470fe1b5SMarcel Holtmann void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 14267129069eSJohan Hedberg void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1427c08b1a1dSMarcel Holtmann int flag, struct sock *skip_sk); 1428cd82e61cSMarcel Holtmann void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 142938ceaa00SMarcel Holtmann void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 143038ceaa00SMarcel Holtmann void *data, u16 data_len, ktime_t tstamp, 143138ceaa00SMarcel Holtmann int flag, struct sock *skip_sk); 14321da177e4SLinus Torvalds 1433040030efSMarcel Holtmann void hci_sock_dev_event(struct hci_dev *hdev, int event); 1434040030efSMarcel Holtmann 1435a958452aSMarcel Holtmann #define HCI_MGMT_VAR_LEN BIT(0) 1436a958452aSMarcel Holtmann #define HCI_MGMT_NO_HDEV BIT(1) 1437a958452aSMarcel Holtmann #define HCI_MGMT_UNTRUSTED BIT(2) 1438a958452aSMarcel Holtmann #define HCI_MGMT_UNCONFIGURED BIT(3) 1439b9a245fbSJohan Hedberg 1440801c1e8dSJohan Hedberg struct hci_mgmt_handler { 1441801c1e8dSJohan Hedberg int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1442801c1e8dSJohan Hedberg u16 data_len); 1443801c1e8dSJohan Hedberg size_t data_len; 1444b9a245fbSJohan Hedberg unsigned long flags; 1445801c1e8dSJohan Hedberg }; 1446801c1e8dSJohan Hedberg 1447801c1e8dSJohan Hedberg struct hci_mgmt_chan { 1448801c1e8dSJohan Hedberg struct list_head list; 1449801c1e8dSJohan Hedberg unsigned short channel; 1450801c1e8dSJohan Hedberg size_t handler_count; 1451801c1e8dSJohan Hedberg const struct hci_mgmt_handler *handlers; 145288b94ce9SJohan Hedberg void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1453801c1e8dSJohan Hedberg }; 1454801c1e8dSJohan Hedberg 1455801c1e8dSJohan Hedberg int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1456801c1e8dSJohan Hedberg void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1457801c1e8dSJohan Hedberg 14580381101fSJohan Hedberg /* Management interface */ 1459591f47f3SAndre Guedes #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1460591f47f3SAndre Guedes #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1461591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1462591f47f3SAndre Guedes #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1463591f47f3SAndre Guedes BIT(BDADDR_LE_PUBLIC) | \ 1464591f47f3SAndre Guedes BIT(BDADDR_LE_RANDOM)) 1465f39799f5SAndre Guedes 14660d8cc935SAndre Guedes /* These LE scan and inquiry parameters were chosen according to LE General 14670d8cc935SAndre Guedes * Discovery Procedure specification. 14680d8cc935SAndre Guedes */ 14690d8cc935SAndre Guedes #define DISCOV_LE_SCAN_WIN 0x12 14700d8cc935SAndre Guedes #define DISCOV_LE_SCAN_INT 0x12 14713d5a76f0SLukasz Rymanowski #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1472ae55f598SLukasz Rymanowski #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 14730d8cc935SAndre Guedes #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 14740d8cc935SAndre Guedes #define DISCOV_BREDR_INQUIRY_LEN 0x08 14754b0e0cedSJakub Pawlowski #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 14760d8cc935SAndre Guedes 147703c979c4SMarcel Holtmann void mgmt_fill_version_info(void *ver); 147891a668b0SJohan Hedberg int mgmt_new_settings(struct hci_dev *hdev); 1479bf6b56dbSMarcel Holtmann void mgmt_index_added(struct hci_dev *hdev); 1480bf6b56dbSMarcel Holtmann void mgmt_index_removed(struct hci_dev *hdev); 14813eec705eSMarcel Holtmann void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 14822ff13894SJohan Hedberg void mgmt_power_on(struct hci_dev *hdev, int err); 14832ff13894SJohan Hedberg void __mgmt_power_off(struct hci_dev *hdev); 1484dc4a5ee2SMarcel Holtmann void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1485745c0ce3SVishal Agarwal bool persistent); 148648ec92faSAlfonso Acosta void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 148748ec92faSAlfonso Acosta u32 flags, u8 *name, u8 name_len); 14889b80ec5eSMarcel Holtmann void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 148912d4a3b2SJohan Hedberg u8 link_type, u8 addr_type, u8 reason, 149012d4a3b2SJohan Hedberg bool mgmt_connected); 14917892924cSMarcel Holtmann void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 149288c3df13SJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1493445608d0SMarcel Holtmann void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 149448264f06SJohan Hedberg u8 addr_type, u8 status); 1495ce0e4a0dSMarcel Holtmann void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1496e669cf80SMarcel Holtmann void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1497c35938b2SSzymon Janc u8 status); 14983eb38528SMarcel Holtmann void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1499744cf19eSJohan Hedberg u8 status); 1500744cf19eSJohan Hedberg int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 150139adbffeSJohan Hedberg u8 link_type, u8 addr_type, u32 value, 1502272d90dfSJohan Hedberg u8 confirm_hint); 1503744cf19eSJohan Hedberg int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1504272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1505272d90dfSJohan Hedberg int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1506272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1507272d90dfSJohan Hedberg int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1508272d90dfSJohan Hedberg u8 link_type, u8 addr_type); 1509604086b7SBrian Gix int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1510272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 1511272d90dfSJohan Hedberg int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1512272d90dfSJohan Hedberg u8 link_type, u8 addr_type, u8 status); 151392a25256SJohan Hedberg int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 151492a25256SJohan Hedberg u8 link_type, u8 addr_type, u32 passkey, 151592a25256SJohan Hedberg u8 entered); 1516e1e930f5SJohan Hedberg void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1517464996aeSMarcel Holtmann void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 15183e248560SMarcel Holtmann void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 15194e1b0245SMarcel Holtmann void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 15207f9a903cSMarcel Holtmann u8 status); 15217667da34SMarcel Holtmann void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1522e68f072bSJohan Hedberg void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 15232154d3f4SJohan Hedberg void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1524901801b9SMarcel Holtmann void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1525af58925cSMarcel Holtmann u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1526af58925cSMarcel Holtmann u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 15279cf12aeeSMarcel Holtmann void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1528b644ba33SJohan Hedberg u8 addr_type, s8 rssi, u8 *name, u8 name_len); 15292f1e063bSMarcel Holtmann void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 153084c61d92SJohan Hedberg bool mgmt_powering_down(struct hci_dev *hdev); 153153ac6ab6SMarcel Holtmann void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1532cad20c27SJohan Hedberg void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 153353ac6ab6SMarcel Holtmann void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 153453ac6ab6SMarcel Holtmann bool persistent); 1535ffb5a827SAndre Guedes void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1536f4869e2aSJohan Hedberg u8 bdaddr_type, u8 store_hint, u16 min_interval, 1537f4869e2aSJohan Hedberg u16 max_interval, u16 latency, u16 timeout); 1538f4a407beSJohan Hedberg void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1539f2252570SJohan Hedberg bool mgmt_get_connectable(struct hci_dev *hdev); 154053c0ba74SJohan Hedberg void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1541aed1a885SJohan Hedberg void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1542f2252570SJohan Hedberg u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1543f2252570SJohan Hedberg void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1544f2252570SJohan Hedberg u8 instance); 1545f2252570SJohan Hedberg void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1546f2252570SJohan Hedberg u8 instance); 1547346af67bSVinicius Costa Gomes 15487d6ca693SJohan Hedberg u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 15497d6ca693SJohan Hedberg u16 to_multiplier); 1550fe39c7b2SMarcel Holtmann void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 15518b76ce34SJohan Hedberg __u8 ltk[16], __u8 key_size); 15522519a1fcSAndre Guedes 1553a1f4c318SJohan Hedberg void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1554a1f4c318SJohan Hedberg u8 *bdaddr_type); 1555ebd3a747SJohan Hedberg 15565d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_MASK 0x0003 15575d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_CVSD 0x0000 15585d4d62f6SFrédéric Dalleau #define SCO_AIRMODE_TRANSP 0x0003 15595d4d62f6SFrédéric Dalleau 15601da177e4SLinus Torvalds #endif /* __HCI_CORE_H */ 1561