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9533 lines
239 KiB
9533 lines
239 KiB
/* |
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BlueZ - Bluetooth protocol stack for Linux |
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|
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Copyright (C) 2010 Nokia Corporation |
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Copyright (C) 2011-2012 Intel Corporation |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License version 2 as |
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published by the Free Software Foundation; |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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|
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
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SOFTWARE IS DISCLAIMED. |
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*/ |
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|
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/* Bluetooth HCI Management interface */ |
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|
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#include <linux/module.h> |
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#include <asm/unaligned.h> |
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|
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#include <net/bluetooth/bluetooth.h> |
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#include <net/bluetooth/hci_core.h> |
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#include <net/bluetooth/hci_sock.h> |
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#include <net/bluetooth/l2cap.h> |
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#include <net/bluetooth/mgmt.h> |
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|
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#include "hci_request.h" |
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#include "smp.h" |
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#include "mgmt_util.h" |
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#include "mgmt_config.h" |
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#include "msft.h" |
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|
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#define MGMT_VERSION 1 |
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#define MGMT_REVISION 21 |
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|
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static const u16 mgmt_commands[] = { |
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MGMT_OP_READ_INDEX_LIST, |
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MGMT_OP_READ_INFO, |
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MGMT_OP_SET_POWERED, |
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MGMT_OP_SET_DISCOVERABLE, |
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MGMT_OP_SET_CONNECTABLE, |
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MGMT_OP_SET_FAST_CONNECTABLE, |
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MGMT_OP_SET_BONDABLE, |
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MGMT_OP_SET_LINK_SECURITY, |
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MGMT_OP_SET_SSP, |
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MGMT_OP_SET_HS, |
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MGMT_OP_SET_LE, |
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MGMT_OP_SET_DEV_CLASS, |
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MGMT_OP_SET_LOCAL_NAME, |
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MGMT_OP_ADD_UUID, |
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MGMT_OP_REMOVE_UUID, |
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MGMT_OP_LOAD_LINK_KEYS, |
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MGMT_OP_LOAD_LONG_TERM_KEYS, |
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MGMT_OP_DISCONNECT, |
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MGMT_OP_GET_CONNECTIONS, |
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MGMT_OP_PIN_CODE_REPLY, |
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MGMT_OP_PIN_CODE_NEG_REPLY, |
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MGMT_OP_SET_IO_CAPABILITY, |
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MGMT_OP_PAIR_DEVICE, |
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MGMT_OP_CANCEL_PAIR_DEVICE, |
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MGMT_OP_UNPAIR_DEVICE, |
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MGMT_OP_USER_CONFIRM_REPLY, |
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MGMT_OP_USER_CONFIRM_NEG_REPLY, |
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MGMT_OP_USER_PASSKEY_REPLY, |
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MGMT_OP_USER_PASSKEY_NEG_REPLY, |
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MGMT_OP_READ_LOCAL_OOB_DATA, |
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MGMT_OP_ADD_REMOTE_OOB_DATA, |
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MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
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MGMT_OP_START_DISCOVERY, |
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MGMT_OP_STOP_DISCOVERY, |
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MGMT_OP_CONFIRM_NAME, |
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MGMT_OP_BLOCK_DEVICE, |
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MGMT_OP_UNBLOCK_DEVICE, |
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MGMT_OP_SET_DEVICE_ID, |
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MGMT_OP_SET_ADVERTISING, |
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MGMT_OP_SET_BREDR, |
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MGMT_OP_SET_STATIC_ADDRESS, |
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MGMT_OP_SET_SCAN_PARAMS, |
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MGMT_OP_SET_SECURE_CONN, |
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MGMT_OP_SET_DEBUG_KEYS, |
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MGMT_OP_SET_PRIVACY, |
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MGMT_OP_LOAD_IRKS, |
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MGMT_OP_GET_CONN_INFO, |
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MGMT_OP_GET_CLOCK_INFO, |
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MGMT_OP_ADD_DEVICE, |
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MGMT_OP_REMOVE_DEVICE, |
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MGMT_OP_LOAD_CONN_PARAM, |
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MGMT_OP_READ_UNCONF_INDEX_LIST, |
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MGMT_OP_READ_CONFIG_INFO, |
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MGMT_OP_SET_EXTERNAL_CONFIG, |
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MGMT_OP_SET_PUBLIC_ADDRESS, |
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MGMT_OP_START_SERVICE_DISCOVERY, |
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MGMT_OP_READ_LOCAL_OOB_EXT_DATA, |
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MGMT_OP_READ_EXT_INDEX_LIST, |
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MGMT_OP_READ_ADV_FEATURES, |
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MGMT_OP_ADD_ADVERTISING, |
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MGMT_OP_REMOVE_ADVERTISING, |
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MGMT_OP_GET_ADV_SIZE_INFO, |
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MGMT_OP_START_LIMITED_DISCOVERY, |
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MGMT_OP_READ_EXT_INFO, |
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MGMT_OP_SET_APPEARANCE, |
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MGMT_OP_GET_PHY_CONFIGURATION, |
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MGMT_OP_SET_PHY_CONFIGURATION, |
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MGMT_OP_SET_BLOCKED_KEYS, |
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MGMT_OP_SET_WIDEBAND_SPEECH, |
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MGMT_OP_READ_CONTROLLER_CAP, |
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MGMT_OP_READ_EXP_FEATURES_INFO, |
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MGMT_OP_SET_EXP_FEATURE, |
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MGMT_OP_READ_DEF_SYSTEM_CONFIG, |
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MGMT_OP_SET_DEF_SYSTEM_CONFIG, |
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MGMT_OP_READ_DEF_RUNTIME_CONFIG, |
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MGMT_OP_SET_DEF_RUNTIME_CONFIG, |
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MGMT_OP_GET_DEVICE_FLAGS, |
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MGMT_OP_SET_DEVICE_FLAGS, |
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MGMT_OP_READ_ADV_MONITOR_FEATURES, |
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MGMT_OP_ADD_ADV_PATTERNS_MONITOR, |
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MGMT_OP_REMOVE_ADV_MONITOR, |
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MGMT_OP_ADD_EXT_ADV_PARAMS, |
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MGMT_OP_ADD_EXT_ADV_DATA, |
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MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, |
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}; |
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|
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static const u16 mgmt_events[] = { |
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MGMT_EV_CONTROLLER_ERROR, |
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MGMT_EV_INDEX_ADDED, |
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MGMT_EV_INDEX_REMOVED, |
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MGMT_EV_NEW_SETTINGS, |
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MGMT_EV_CLASS_OF_DEV_CHANGED, |
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MGMT_EV_LOCAL_NAME_CHANGED, |
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MGMT_EV_NEW_LINK_KEY, |
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MGMT_EV_NEW_LONG_TERM_KEY, |
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MGMT_EV_DEVICE_CONNECTED, |
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MGMT_EV_DEVICE_DISCONNECTED, |
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MGMT_EV_CONNECT_FAILED, |
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MGMT_EV_PIN_CODE_REQUEST, |
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MGMT_EV_USER_CONFIRM_REQUEST, |
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MGMT_EV_USER_PASSKEY_REQUEST, |
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MGMT_EV_AUTH_FAILED, |
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MGMT_EV_DEVICE_FOUND, |
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MGMT_EV_DISCOVERING, |
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MGMT_EV_DEVICE_BLOCKED, |
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MGMT_EV_DEVICE_UNBLOCKED, |
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MGMT_EV_DEVICE_UNPAIRED, |
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MGMT_EV_PASSKEY_NOTIFY, |
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MGMT_EV_NEW_IRK, |
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MGMT_EV_NEW_CSRK, |
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MGMT_EV_DEVICE_ADDED, |
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MGMT_EV_DEVICE_REMOVED, |
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MGMT_EV_NEW_CONN_PARAM, |
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MGMT_EV_UNCONF_INDEX_ADDED, |
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MGMT_EV_UNCONF_INDEX_REMOVED, |
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MGMT_EV_NEW_CONFIG_OPTIONS, |
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MGMT_EV_EXT_INDEX_ADDED, |
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MGMT_EV_EXT_INDEX_REMOVED, |
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MGMT_EV_LOCAL_OOB_DATA_UPDATED, |
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MGMT_EV_ADVERTISING_ADDED, |
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MGMT_EV_ADVERTISING_REMOVED, |
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MGMT_EV_EXT_INFO_CHANGED, |
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MGMT_EV_PHY_CONFIGURATION_CHANGED, |
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MGMT_EV_EXP_FEATURE_CHANGED, |
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MGMT_EV_DEVICE_FLAGS_CHANGED, |
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MGMT_EV_ADV_MONITOR_ADDED, |
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MGMT_EV_ADV_MONITOR_REMOVED, |
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MGMT_EV_CONTROLLER_SUSPEND, |
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MGMT_EV_CONTROLLER_RESUME, |
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}; |
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|
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static const u16 mgmt_untrusted_commands[] = { |
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MGMT_OP_READ_INDEX_LIST, |
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MGMT_OP_READ_INFO, |
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MGMT_OP_READ_UNCONF_INDEX_LIST, |
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MGMT_OP_READ_CONFIG_INFO, |
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MGMT_OP_READ_EXT_INDEX_LIST, |
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MGMT_OP_READ_EXT_INFO, |
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MGMT_OP_READ_CONTROLLER_CAP, |
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MGMT_OP_READ_EXP_FEATURES_INFO, |
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MGMT_OP_READ_DEF_SYSTEM_CONFIG, |
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MGMT_OP_READ_DEF_RUNTIME_CONFIG, |
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}; |
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|
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static const u16 mgmt_untrusted_events[] = { |
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MGMT_EV_INDEX_ADDED, |
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MGMT_EV_INDEX_REMOVED, |
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MGMT_EV_NEW_SETTINGS, |
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MGMT_EV_CLASS_OF_DEV_CHANGED, |
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MGMT_EV_LOCAL_NAME_CHANGED, |
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MGMT_EV_UNCONF_INDEX_ADDED, |
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MGMT_EV_UNCONF_INDEX_REMOVED, |
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MGMT_EV_NEW_CONFIG_OPTIONS, |
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MGMT_EV_EXT_INDEX_ADDED, |
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MGMT_EV_EXT_INDEX_REMOVED, |
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MGMT_EV_EXT_INFO_CHANGED, |
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MGMT_EV_EXP_FEATURE_CHANGED, |
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}; |
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|
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#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) |
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|
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#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
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"\x00\x00\x00\x00\x00\x00\x00\x00" |
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|
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/* HCI to MGMT error code conversion table */ |
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static const u8 mgmt_status_table[] = { |
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MGMT_STATUS_SUCCESS, |
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MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ |
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MGMT_STATUS_NOT_CONNECTED, /* No Connection */ |
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MGMT_STATUS_FAILED, /* Hardware Failure */ |
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MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ |
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MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ |
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MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */ |
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MGMT_STATUS_NO_RESOURCES, /* Memory Full */ |
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MGMT_STATUS_TIMEOUT, /* Connection Timeout */ |
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MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ |
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MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ |
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MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ |
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MGMT_STATUS_BUSY, /* Command Disallowed */ |
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MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ |
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MGMT_STATUS_REJECTED, /* Rejected Security */ |
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MGMT_STATUS_REJECTED, /* Rejected Personal */ |
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MGMT_STATUS_TIMEOUT, /* Host Timeout */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ |
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MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ |
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MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ |
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MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ |
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MGMT_STATUS_DISCONNECTED, /* OE Power Off */ |
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MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ |
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MGMT_STATUS_BUSY, /* Repeated Attempts */ |
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MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ |
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MGMT_STATUS_FAILED, /* Unknown LMP PDU */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ |
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MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ |
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MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ |
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MGMT_STATUS_REJECTED, /* Air Mode Rejected */ |
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MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ |
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MGMT_STATUS_FAILED, /* Unspecified Error */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ |
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MGMT_STATUS_FAILED, /* Role Change Not Allowed */ |
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MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ |
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MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ |
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MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ |
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MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ |
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MGMT_STATUS_FAILED, /* Unit Link Key Used */ |
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MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ |
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MGMT_STATUS_TIMEOUT, /* Instant Passed */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ |
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MGMT_STATUS_FAILED, /* Transaction Collision */ |
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MGMT_STATUS_FAILED, /* Reserved for future use */ |
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MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ |
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MGMT_STATUS_REJECTED, /* QoS Rejected */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ |
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MGMT_STATUS_REJECTED, /* Insufficient Security */ |
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MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ |
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MGMT_STATUS_FAILED, /* Reserved for future use */ |
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MGMT_STATUS_BUSY, /* Role Switch Pending */ |
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MGMT_STATUS_FAILED, /* Reserved for future use */ |
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MGMT_STATUS_FAILED, /* Slot Violation */ |
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MGMT_STATUS_FAILED, /* Role Switch Failed */ |
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MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ |
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MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ |
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MGMT_STATUS_BUSY, /* Host Busy Pairing */ |
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MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ |
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MGMT_STATUS_BUSY, /* Controller Busy */ |
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MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ |
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MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ |
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MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ |
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MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ |
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MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ |
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}; |
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static u8 mgmt_status(u8 hci_status) |
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{ |
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if (hci_status < ARRAY_SIZE(mgmt_status_table)) |
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return mgmt_status_table[hci_status]; |
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return MGMT_STATUS_FAILED; |
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} |
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static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data, |
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u16 len, int flag) |
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{ |
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return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, |
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flag, NULL); |
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} |
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static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data, |
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u16 len, int flag, struct sock *skip_sk) |
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{ |
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return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, |
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flag, skip_sk); |
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} |
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static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len, |
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struct sock *skip_sk) |
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{ |
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return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, |
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HCI_SOCK_TRUSTED, skip_sk); |
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} |
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static u8 le_addr_type(u8 mgmt_addr_type) |
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{ |
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if (mgmt_addr_type == BDADDR_LE_PUBLIC) |
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return ADDR_LE_DEV_PUBLIC; |
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else |
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return ADDR_LE_DEV_RANDOM; |
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} |
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void mgmt_fill_version_info(void *ver) |
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{ |
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struct mgmt_rp_read_version *rp = ver; |
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rp->version = MGMT_VERSION; |
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rp->revision = cpu_to_le16(MGMT_REVISION); |
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} |
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static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, |
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u16 data_len) |
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{ |
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struct mgmt_rp_read_version rp; |
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bt_dev_dbg(hdev, "sock %p", sk); |
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mgmt_fill_version_info(&rp); |
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return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, |
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&rp, sizeof(rp)); |
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} |
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static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, |
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u16 data_len) |
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{ |
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struct mgmt_rp_read_commands *rp; |
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u16 num_commands, num_events; |
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size_t rp_size; |
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int i, err; |
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bt_dev_dbg(hdev, "sock %p", sk); |
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if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) { |
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num_commands = ARRAY_SIZE(mgmt_commands); |
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num_events = ARRAY_SIZE(mgmt_events); |
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} else { |
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num_commands = ARRAY_SIZE(mgmt_untrusted_commands); |
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num_events = ARRAY_SIZE(mgmt_untrusted_events); |
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} |
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rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); |
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rp = kmalloc(rp_size, GFP_KERNEL); |
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if (!rp) |
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return -ENOMEM; |
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rp->num_commands = cpu_to_le16(num_commands); |
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rp->num_events = cpu_to_le16(num_events); |
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if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) { |
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__le16 *opcode = rp->opcodes; |
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for (i = 0; i < num_commands; i++, opcode++) |
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put_unaligned_le16(mgmt_commands[i], opcode); |
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for (i = 0; i < num_events; i++, opcode++) |
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put_unaligned_le16(mgmt_events[i], opcode); |
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} else { |
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__le16 *opcode = rp->opcodes; |
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for (i = 0; i < num_commands; i++, opcode++) |
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put_unaligned_le16(mgmt_untrusted_commands[i], opcode); |
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for (i = 0; i < num_events; i++, opcode++) |
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put_unaligned_le16(mgmt_untrusted_events[i], opcode); |
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} |
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err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, |
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rp, rp_size); |
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kfree(rp); |
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return err; |
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} |
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static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, |
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u16 data_len) |
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{ |
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struct mgmt_rp_read_index_list *rp; |
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struct hci_dev *d; |
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size_t rp_len; |
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u16 count; |
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int err; |
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bt_dev_dbg(hdev, "sock %p", sk); |
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read_lock(&hci_dev_list_lock); |
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count = 0; |
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list_for_each_entry(d, &hci_dev_list, list) { |
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if (d->dev_type == HCI_PRIMARY && |
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!hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
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count++; |
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} |
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rp_len = sizeof(*rp) + (2 * count); |
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rp = kmalloc(rp_len, GFP_ATOMIC); |
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if (!rp) { |
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read_unlock(&hci_dev_list_lock); |
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return -ENOMEM; |
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} |
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|
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count = 0; |
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list_for_each_entry(d, &hci_dev_list, list) { |
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if (hci_dev_test_flag(d, HCI_SETUP) || |
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hci_dev_test_flag(d, HCI_CONFIG) || |
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hci_dev_test_flag(d, HCI_USER_CHANNEL)) |
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continue; |
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|
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/* Devices marked as raw-only are neither configured |
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* nor unconfigured controllers. |
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*/ |
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if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) |
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continue; |
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|
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if (d->dev_type == HCI_PRIMARY && |
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!hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
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rp->index[count++] = cpu_to_le16(d->id); |
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bt_dev_dbg(hdev, "Added hci%u", d->id); |
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} |
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} |
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|
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rp->num_controllers = cpu_to_le16(count); |
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rp_len = sizeof(*rp) + (2 * count); |
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|
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read_unlock(&hci_dev_list_lock); |
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|
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err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, |
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0, rp, rp_len); |
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|
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kfree(rp); |
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|
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return err; |
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} |
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|
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static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev, |
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void *data, u16 data_len) |
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{ |
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struct mgmt_rp_read_unconf_index_list *rp; |
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struct hci_dev *d; |
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size_t rp_len; |
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u16 count; |
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int err; |
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|
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bt_dev_dbg(hdev, "sock %p", sk); |
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|
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read_lock(&hci_dev_list_lock); |
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|
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count = 0; |
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list_for_each_entry(d, &hci_dev_list, list) { |
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if (d->dev_type == HCI_PRIMARY && |
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hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
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count++; |
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} |
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|
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rp_len = sizeof(*rp) + (2 * count); |
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rp = kmalloc(rp_len, GFP_ATOMIC); |
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if (!rp) { |
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read_unlock(&hci_dev_list_lock); |
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return -ENOMEM; |
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} |
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|
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count = 0; |
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list_for_each_entry(d, &hci_dev_list, list) { |
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if (hci_dev_test_flag(d, HCI_SETUP) || |
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hci_dev_test_flag(d, HCI_CONFIG) || |
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hci_dev_test_flag(d, HCI_USER_CHANNEL)) |
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continue; |
|
|
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/* Devices marked as raw-only are neither configured |
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* nor unconfigured controllers. |
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*/ |
|
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) |
|
continue; |
|
|
|
if (d->dev_type == HCI_PRIMARY && |
|
hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
|
rp->index[count++] = cpu_to_le16(d->id); |
|
bt_dev_dbg(hdev, "Added hci%u", d->id); |
|
} |
|
} |
|
|
|
rp->num_controllers = cpu_to_le16(count); |
|
rp_len = sizeof(*rp) + (2 * count); |
|
|
|
read_unlock(&hci_dev_list_lock); |
|
|
|
err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len); |
|
|
|
kfree(rp); |
|
|
|
return err; |
|
} |
|
|
|
static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_rp_read_ext_index_list *rp; |
|
struct hci_dev *d; |
|
u16 count; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
read_lock(&hci_dev_list_lock); |
|
|
|
count = 0; |
|
list_for_each_entry(d, &hci_dev_list, list) { |
|
if (d->dev_type == HCI_PRIMARY || d->dev_type == HCI_AMP) |
|
count++; |
|
} |
|
|
|
rp = kmalloc(struct_size(rp, entry, count), GFP_ATOMIC); |
|
if (!rp) { |
|
read_unlock(&hci_dev_list_lock); |
|
return -ENOMEM; |
|
} |
|
|
|
count = 0; |
|
list_for_each_entry(d, &hci_dev_list, list) { |
|
if (hci_dev_test_flag(d, HCI_SETUP) || |
|
hci_dev_test_flag(d, HCI_CONFIG) || |
|
hci_dev_test_flag(d, HCI_USER_CHANNEL)) |
|
continue; |
|
|
|
/* Devices marked as raw-only are neither configured |
|
* nor unconfigured controllers. |
|
*/ |
|
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) |
|
continue; |
|
|
|
if (d->dev_type == HCI_PRIMARY) { |
|
if (hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
|
rp->entry[count].type = 0x01; |
|
else |
|
rp->entry[count].type = 0x00; |
|
} else if (d->dev_type == HCI_AMP) { |
|
rp->entry[count].type = 0x02; |
|
} else { |
|
continue; |
|
} |
|
|
|
rp->entry[count].bus = d->bus; |
|
rp->entry[count++].index = cpu_to_le16(d->id); |
|
bt_dev_dbg(hdev, "Added hci%u", d->id); |
|
} |
|
|
|
rp->num_controllers = cpu_to_le16(count); |
|
|
|
read_unlock(&hci_dev_list_lock); |
|
|
|
/* If this command is called at least once, then all the |
|
* default index and unconfigured index events are disabled |
|
* and from now on only extended index events are used. |
|
*/ |
|
hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS); |
|
hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS); |
|
hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS); |
|
|
|
err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, |
|
struct_size(rp, entry, count)); |
|
|
|
kfree(rp); |
|
|
|
return err; |
|
} |
|
|
|
static bool is_configured(struct hci_dev *hdev) |
|
{ |
|
if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && |
|
!hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
|
return false; |
|
|
|
if ((test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) || |
|
test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) && |
|
!bacmp(&hdev->public_addr, BDADDR_ANY)) |
|
return false; |
|
|
|
return true; |
|
} |
|
|
|
static __le32 get_missing_options(struct hci_dev *hdev) |
|
{ |
|
u32 options = 0; |
|
|
|
if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && |
|
!hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
|
options |= MGMT_OPTION_EXTERNAL_CONFIG; |
|
|
|
if ((test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) || |
|
test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) && |
|
!bacmp(&hdev->public_addr, BDADDR_ANY)) |
|
options |= MGMT_OPTION_PUBLIC_ADDRESS; |
|
|
|
return cpu_to_le32(options); |
|
} |
|
|
|
static int new_options(struct hci_dev *hdev, struct sock *skip) |
|
{ |
|
__le32 options = get_missing_options(hdev); |
|
|
|
return mgmt_limited_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options, |
|
sizeof(options), HCI_MGMT_OPTION_EVENTS, skip); |
|
} |
|
|
|
static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
|
{ |
|
__le32 options = get_missing_options(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options, |
|
sizeof(options)); |
|
} |
|
|
|
static int read_config_info(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_rp_read_config_info rp; |
|
u32 options = 0; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
|
|
|
if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) |
|
options |= MGMT_OPTION_EXTERNAL_CONFIG; |
|
|
|
if (hdev->set_bdaddr) |
|
options |= MGMT_OPTION_PUBLIC_ADDRESS; |
|
|
|
rp.supported_options = cpu_to_le32(options); |
|
rp.missing_options = get_missing_options(hdev); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
static u32 get_supported_phys(struct hci_dev *hdev) |
|
{ |
|
u32 supported_phys = 0; |
|
|
|
if (lmp_bredr_capable(hdev)) { |
|
supported_phys |= MGMT_PHY_BR_1M_1SLOT; |
|
|
|
if (hdev->features[0][0] & LMP_3SLOT) |
|
supported_phys |= MGMT_PHY_BR_1M_3SLOT; |
|
|
|
if (hdev->features[0][0] & LMP_5SLOT) |
|
supported_phys |= MGMT_PHY_BR_1M_5SLOT; |
|
|
|
if (lmp_edr_2m_capable(hdev)) { |
|
supported_phys |= MGMT_PHY_EDR_2M_1SLOT; |
|
|
|
if (lmp_edr_3slot_capable(hdev)) |
|
supported_phys |= MGMT_PHY_EDR_2M_3SLOT; |
|
|
|
if (lmp_edr_5slot_capable(hdev)) |
|
supported_phys |= MGMT_PHY_EDR_2M_5SLOT; |
|
|
|
if (lmp_edr_3m_capable(hdev)) { |
|
supported_phys |= MGMT_PHY_EDR_3M_1SLOT; |
|
|
|
if (lmp_edr_3slot_capable(hdev)) |
|
supported_phys |= MGMT_PHY_EDR_3M_3SLOT; |
|
|
|
if (lmp_edr_5slot_capable(hdev)) |
|
supported_phys |= MGMT_PHY_EDR_3M_5SLOT; |
|
} |
|
} |
|
} |
|
|
|
if (lmp_le_capable(hdev)) { |
|
supported_phys |= MGMT_PHY_LE_1M_TX; |
|
supported_phys |= MGMT_PHY_LE_1M_RX; |
|
|
|
if (hdev->le_features[1] & HCI_LE_PHY_2M) { |
|
supported_phys |= MGMT_PHY_LE_2M_TX; |
|
supported_phys |= MGMT_PHY_LE_2M_RX; |
|
} |
|
|
|
if (hdev->le_features[1] & HCI_LE_PHY_CODED) { |
|
supported_phys |= MGMT_PHY_LE_CODED_TX; |
|
supported_phys |= MGMT_PHY_LE_CODED_RX; |
|
} |
|
} |
|
|
|
return supported_phys; |
|
} |
|
|
|
static u32 get_selected_phys(struct hci_dev *hdev) |
|
{ |
|
u32 selected_phys = 0; |
|
|
|
if (lmp_bredr_capable(hdev)) { |
|
selected_phys |= MGMT_PHY_BR_1M_1SLOT; |
|
|
|
if (hdev->pkt_type & (HCI_DM3 | HCI_DH3)) |
|
selected_phys |= MGMT_PHY_BR_1M_3SLOT; |
|
|
|
if (hdev->pkt_type & (HCI_DM5 | HCI_DH5)) |
|
selected_phys |= MGMT_PHY_BR_1M_5SLOT; |
|
|
|
if (lmp_edr_2m_capable(hdev)) { |
|
if (!(hdev->pkt_type & HCI_2DH1)) |
|
selected_phys |= MGMT_PHY_EDR_2M_1SLOT; |
|
|
|
if (lmp_edr_3slot_capable(hdev) && |
|
!(hdev->pkt_type & HCI_2DH3)) |
|
selected_phys |= MGMT_PHY_EDR_2M_3SLOT; |
|
|
|
if (lmp_edr_5slot_capable(hdev) && |
|
!(hdev->pkt_type & HCI_2DH5)) |
|
selected_phys |= MGMT_PHY_EDR_2M_5SLOT; |
|
|
|
if (lmp_edr_3m_capable(hdev)) { |
|
if (!(hdev->pkt_type & HCI_3DH1)) |
|
selected_phys |= MGMT_PHY_EDR_3M_1SLOT; |
|
|
|
if (lmp_edr_3slot_capable(hdev) && |
|
!(hdev->pkt_type & HCI_3DH3)) |
|
selected_phys |= MGMT_PHY_EDR_3M_3SLOT; |
|
|
|
if (lmp_edr_5slot_capable(hdev) && |
|
!(hdev->pkt_type & HCI_3DH5)) |
|
selected_phys |= MGMT_PHY_EDR_3M_5SLOT; |
|
} |
|
} |
|
} |
|
|
|
if (lmp_le_capable(hdev)) { |
|
if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_1M) |
|
selected_phys |= MGMT_PHY_LE_1M_TX; |
|
|
|
if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_1M) |
|
selected_phys |= MGMT_PHY_LE_1M_RX; |
|
|
|
if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_2M) |
|
selected_phys |= MGMT_PHY_LE_2M_TX; |
|
|
|
if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_2M) |
|
selected_phys |= MGMT_PHY_LE_2M_RX; |
|
|
|
if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_CODED) |
|
selected_phys |= MGMT_PHY_LE_CODED_TX; |
|
|
|
if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_CODED) |
|
selected_phys |= MGMT_PHY_LE_CODED_RX; |
|
} |
|
|
|
return selected_phys; |
|
} |
|
|
|
static u32 get_configurable_phys(struct hci_dev *hdev) |
|
{ |
|
return (get_supported_phys(hdev) & ~MGMT_PHY_BR_1M_1SLOT & |
|
~MGMT_PHY_LE_1M_TX & ~MGMT_PHY_LE_1M_RX); |
|
} |
|
|
|
static u32 get_supported_settings(struct hci_dev *hdev) |
|
{ |
|
u32 settings = 0; |
|
|
|
settings |= MGMT_SETTING_POWERED; |
|
settings |= MGMT_SETTING_BONDABLE; |
|
settings |= MGMT_SETTING_DEBUG_KEYS; |
|
settings |= MGMT_SETTING_CONNECTABLE; |
|
settings |= MGMT_SETTING_DISCOVERABLE; |
|
|
|
if (lmp_bredr_capable(hdev)) { |
|
if (hdev->hci_ver >= BLUETOOTH_VER_1_2) |
|
settings |= MGMT_SETTING_FAST_CONNECTABLE; |
|
settings |= MGMT_SETTING_BREDR; |
|
settings |= MGMT_SETTING_LINK_SECURITY; |
|
|
|
if (lmp_ssp_capable(hdev)) { |
|
settings |= MGMT_SETTING_SSP; |
|
if (IS_ENABLED(CONFIG_BT_HS)) |
|
settings |= MGMT_SETTING_HS; |
|
} |
|
|
|
if (lmp_sc_capable(hdev)) |
|
settings |= MGMT_SETTING_SECURE_CONN; |
|
|
|
if (test_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, |
|
&hdev->quirks)) |
|
settings |= MGMT_SETTING_WIDEBAND_SPEECH; |
|
} |
|
|
|
if (lmp_le_capable(hdev)) { |
|
settings |= MGMT_SETTING_LE; |
|
settings |= MGMT_SETTING_SECURE_CONN; |
|
settings |= MGMT_SETTING_PRIVACY; |
|
settings |= MGMT_SETTING_STATIC_ADDRESS; |
|
|
|
/* When the experimental feature for LL Privacy support is |
|
* enabled, then advertising is no longer supported. |
|
*/ |
|
if (!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
settings |= MGMT_SETTING_ADVERTISING; |
|
} |
|
|
|
if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) || |
|
hdev->set_bdaddr) |
|
settings |= MGMT_SETTING_CONFIGURATION; |
|
|
|
settings |= MGMT_SETTING_PHY_CONFIGURATION; |
|
|
|
return settings; |
|
} |
|
|
|
static u32 get_current_settings(struct hci_dev *hdev) |
|
{ |
|
u32 settings = 0; |
|
|
|
if (hdev_is_powered(hdev)) |
|
settings |= MGMT_SETTING_POWERED; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
|
settings |= MGMT_SETTING_CONNECTABLE; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) |
|
settings |= MGMT_SETTING_FAST_CONNECTABLE; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
|
settings |= MGMT_SETTING_DISCOVERABLE; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_BONDABLE)) |
|
settings |= MGMT_SETTING_BONDABLE; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
settings |= MGMT_SETTING_BREDR; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
|
settings |= MGMT_SETTING_LE; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) |
|
settings |= MGMT_SETTING_LINK_SECURITY; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
|
settings |= MGMT_SETTING_SSP; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_HS_ENABLED)) |
|
settings |= MGMT_SETTING_HS; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
|
settings |= MGMT_SETTING_ADVERTISING; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) |
|
settings |= MGMT_SETTING_SECURE_CONN; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) |
|
settings |= MGMT_SETTING_DEBUG_KEYS; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_PRIVACY)) |
|
settings |= MGMT_SETTING_PRIVACY; |
|
|
|
/* The current setting for static address has two purposes. The |
|
* first is to indicate if the static address will be used and |
|
* the second is to indicate if it is actually set. |
|
* |
|
* This means if the static address is not configured, this flag |
|
* will never be set. If the address is configured, then if the |
|
* address is actually used decides if the flag is set or not. |
|
* |
|
* For single mode LE only controllers and dual-mode controllers |
|
* with BR/EDR disabled, the existence of the static address will |
|
* be evaluated. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || |
|
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
|
!bacmp(&hdev->bdaddr, BDADDR_ANY)) { |
|
if (bacmp(&hdev->static_addr, BDADDR_ANY)) |
|
settings |= MGMT_SETTING_STATIC_ADDRESS; |
|
} |
|
|
|
if (hci_dev_test_flag(hdev, HCI_WIDEBAND_SPEECH_ENABLED)) |
|
settings |= MGMT_SETTING_WIDEBAND_SPEECH; |
|
|
|
return settings; |
|
} |
|
|
|
static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev) |
|
{ |
|
return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev); |
|
} |
|
|
|
static struct mgmt_pending_cmd *pending_find_data(u16 opcode, |
|
struct hci_dev *hdev, |
|
const void *data) |
|
{ |
|
return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data); |
|
} |
|
|
|
u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
/* If there's a pending mgmt command the flags will not yet have |
|
* their final values, so check for this first. |
|
*/ |
|
cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); |
|
if (cmd) { |
|
struct mgmt_mode *cp = cmd->param; |
|
if (cp->val == 0x01) |
|
return LE_AD_GENERAL; |
|
else if (cp->val == 0x02) |
|
return LE_AD_LIMITED; |
|
} else { |
|
if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) |
|
return LE_AD_LIMITED; |
|
else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
|
return LE_AD_GENERAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
bool mgmt_get_connectable(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
/* If there's a pending mgmt command the flag will not yet have |
|
* it's final value, so check for this first. |
|
*/ |
|
cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); |
|
if (cmd) { |
|
struct mgmt_mode *cp = cmd->param; |
|
|
|
return cp->val; |
|
} |
|
|
|
return hci_dev_test_flag(hdev, HCI_CONNECTABLE); |
|
} |
|
|
|
static void service_cache_off(struct work_struct *work) |
|
{ |
|
struct hci_dev *hdev = container_of(work, struct hci_dev, |
|
service_cache.work); |
|
struct hci_request req; |
|
|
|
if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) |
|
return; |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
__hci_req_update_eir(&req); |
|
__hci_req_update_class(&req); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
hci_req_run(&req, NULL); |
|
} |
|
|
|
static void rpa_expired(struct work_struct *work) |
|
{ |
|
struct hci_dev *hdev = container_of(work, struct hci_dev, |
|
rpa_expired.work); |
|
struct hci_request req; |
|
|
|
bt_dev_dbg(hdev, ""); |
|
|
|
hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
|
return; |
|
|
|
/* The generation of a new RPA and programming it into the |
|
* controller happens in the hci_req_enable_advertising() |
|
* function. |
|
*/ |
|
hci_req_init(&req, hdev); |
|
if (ext_adv_capable(hdev)) |
|
__hci_req_start_ext_adv(&req, hdev->cur_adv_instance); |
|
else |
|
__hci_req_enable_advertising(&req); |
|
hci_req_run(&req, NULL); |
|
} |
|
|
|
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) |
|
{ |
|
if (hci_dev_test_and_set_flag(hdev, HCI_MGMT)) |
|
return; |
|
|
|
INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); |
|
INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); |
|
|
|
/* Non-mgmt controlled devices get this bit set |
|
* implicitly so that pairing works for them, however |
|
* for mgmt we require user-space to explicitly enable |
|
* it |
|
*/ |
|
hci_dev_clear_flag(hdev, HCI_BONDABLE); |
|
} |
|
|
|
static int read_controller_info(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_rp_read_info rp; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
|
|
bacpy(&rp.bdaddr, &hdev->bdaddr); |
|
|
|
rp.version = hdev->hci_ver; |
|
rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
|
|
|
rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); |
|
rp.current_settings = cpu_to_le32(get_current_settings(hdev)); |
|
|
|
memcpy(rp.dev_class, hdev->dev_class, 3); |
|
|
|
memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
|
memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, |
|
sizeof(rp)); |
|
} |
|
|
|
static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir) |
|
{ |
|
u16 eir_len = 0; |
|
size_t name_len; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
eir_len = eir_append_data(eir, eir_len, EIR_CLASS_OF_DEV, |
|
hdev->dev_class, 3); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
|
eir_len = eir_append_le16(eir, eir_len, EIR_APPEARANCE, |
|
hdev->appearance); |
|
|
|
name_len = strlen(hdev->dev_name); |
|
eir_len = eir_append_data(eir, eir_len, EIR_NAME_COMPLETE, |
|
hdev->dev_name, name_len); |
|
|
|
name_len = strlen(hdev->short_name); |
|
eir_len = eir_append_data(eir, eir_len, EIR_NAME_SHORT, |
|
hdev->short_name, name_len); |
|
|
|
return eir_len; |
|
} |
|
|
|
static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
char buf[512]; |
|
struct mgmt_rp_read_ext_info *rp = (void *)buf; |
|
u16 eir_len; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&buf, 0, sizeof(buf)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
bacpy(&rp->bdaddr, &hdev->bdaddr); |
|
|
|
rp->version = hdev->hci_ver; |
|
rp->manufacturer = cpu_to_le16(hdev->manufacturer); |
|
|
|
rp->supported_settings = cpu_to_le32(get_supported_settings(hdev)); |
|
rp->current_settings = cpu_to_le32(get_current_settings(hdev)); |
|
|
|
|
|
eir_len = append_eir_data_to_buf(hdev, rp->eir); |
|
rp->eir_len = cpu_to_le16(eir_len); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
/* If this command is called at least once, then the events |
|
* for class of device and local name changes are disabled |
|
* and only the new extended controller information event |
|
* is used. |
|
*/ |
|
hci_sock_set_flag(sk, HCI_MGMT_EXT_INFO_EVENTS); |
|
hci_sock_clear_flag(sk, HCI_MGMT_DEV_CLASS_EVENTS); |
|
hci_sock_clear_flag(sk, HCI_MGMT_LOCAL_NAME_EVENTS); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_EXT_INFO, 0, rp, |
|
sizeof(*rp) + eir_len); |
|
} |
|
|
|
static int ext_info_changed(struct hci_dev *hdev, struct sock *skip) |
|
{ |
|
char buf[512]; |
|
struct mgmt_ev_ext_info_changed *ev = (void *)buf; |
|
u16 eir_len; |
|
|
|
memset(buf, 0, sizeof(buf)); |
|
|
|
eir_len = append_eir_data_to_buf(hdev, ev->eir); |
|
ev->eir_len = cpu_to_le16(eir_len); |
|
|
|
return mgmt_limited_event(MGMT_EV_EXT_INFO_CHANGED, hdev, ev, |
|
sizeof(*ev) + eir_len, |
|
HCI_MGMT_EXT_INFO_EVENTS, skip); |
|
} |
|
|
|
static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
|
{ |
|
__le32 settings = cpu_to_le32(get_current_settings(hdev)); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings, |
|
sizeof(settings)); |
|
} |
|
|
|
static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
if (hci_conn_count(hdev) == 0) { |
|
cancel_delayed_work(&hdev->power_off); |
|
queue_work(hdev->req_workqueue, &hdev->power_off.work); |
|
} |
|
} |
|
|
|
void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance) |
|
{ |
|
struct mgmt_ev_advertising_added ev; |
|
|
|
ev.instance = instance; |
|
|
|
mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, |
|
u8 instance) |
|
{ |
|
struct mgmt_ev_advertising_removed ev; |
|
|
|
ev.instance = instance; |
|
|
|
mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
static void cancel_adv_timeout(struct hci_dev *hdev) |
|
{ |
|
if (hdev->adv_instance_timeout) { |
|
hdev->adv_instance_timeout = 0; |
|
cancel_delayed_work(&hdev->adv_instance_expire); |
|
} |
|
} |
|
|
|
static int clean_up_hci_state(struct hci_dev *hdev) |
|
{ |
|
struct hci_request req; |
|
struct hci_conn *conn; |
|
bool discov_stopped; |
|
int err; |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (test_bit(HCI_ISCAN, &hdev->flags) || |
|
test_bit(HCI_PSCAN, &hdev->flags)) { |
|
u8 scan = 0x00; |
|
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
|
} |
|
|
|
hci_req_clear_adv_instance(hdev, NULL, NULL, 0x00, false); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
|
__hci_req_disable_advertising(&req); |
|
|
|
discov_stopped = hci_req_stop_discovery(&req); |
|
|
|
list_for_each_entry(conn, &hdev->conn_hash.list, list) { |
|
/* 0x15 == Terminated due to Power Off */ |
|
__hci_abort_conn(&req, conn, 0x15); |
|
} |
|
|
|
err = hci_req_run(&req, clean_up_hci_complete); |
|
if (!err && discov_stopped) |
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPING); |
|
|
|
return err; |
|
} |
|
|
|
static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_find(MGMT_OP_SET_POWERED, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
if (!!cp->val == hdev_is_powered(hdev)) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
if (cp->val) { |
|
queue_work(hdev->req_workqueue, &hdev->power_on); |
|
err = 0; |
|
} else { |
|
/* Disconnect connections, stop scans, etc */ |
|
err = clean_up_hci_state(hdev); |
|
if (!err) |
|
queue_delayed_work(hdev->req_workqueue, &hdev->power_off, |
|
HCI_POWER_OFF_TIMEOUT); |
|
|
|
/* ENODATA means there were no HCI commands queued */ |
|
if (err == -ENODATA) { |
|
cancel_delayed_work(&hdev->power_off); |
|
queue_work(hdev->req_workqueue, &hdev->power_off.work); |
|
err = 0; |
|
} |
|
} |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int new_settings(struct hci_dev *hdev, struct sock *skip) |
|
{ |
|
__le32 ev = cpu_to_le32(get_current_settings(hdev)); |
|
|
|
return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, |
|
sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip); |
|
} |
|
|
|
int mgmt_new_settings(struct hci_dev *hdev) |
|
{ |
|
return new_settings(hdev, NULL); |
|
} |
|
|
|
struct cmd_lookup { |
|
struct sock *sk; |
|
struct hci_dev *hdev; |
|
u8 mgmt_status; |
|
}; |
|
|
|
static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
struct cmd_lookup *match = data; |
|
|
|
send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); |
|
|
|
list_del(&cmd->list); |
|
|
|
if (match->sk == NULL) { |
|
match->sk = cmd->sk; |
|
sock_hold(match->sk); |
|
} |
|
|
|
mgmt_pending_free(cmd); |
|
} |
|
|
|
static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
u8 *status = data; |
|
|
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
if (cmd->cmd_complete) { |
|
u8 *status = data; |
|
|
|
cmd->cmd_complete(cmd, *status); |
|
mgmt_pending_remove(cmd); |
|
|
|
return; |
|
} |
|
|
|
cmd_status_rsp(cmd, data); |
|
} |
|
|
|
static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
|
{ |
|
return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
|
cmd->param, cmd->param_len); |
|
} |
|
|
|
static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
|
{ |
|
return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
|
cmd->param, sizeof(struct mgmt_addr_info)); |
|
} |
|
|
|
static u8 mgmt_bredr_support(struct hci_dev *hdev) |
|
{ |
|
if (!lmp_bredr_capable(hdev)) |
|
return MGMT_STATUS_NOT_SUPPORTED; |
|
else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
return MGMT_STATUS_REJECTED; |
|
else |
|
return MGMT_STATUS_SUCCESS; |
|
} |
|
|
|
static u8 mgmt_le_support(struct hci_dev *hdev) |
|
{ |
|
if (!lmp_le_capable(hdev)) |
|
return MGMT_STATUS_NOT_SUPPORTED; |
|
else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
|
return MGMT_STATUS_REJECTED; |
|
else |
|
return MGMT_STATUS_SUCCESS; |
|
} |
|
|
|
void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
|
hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
|
goto remove_cmd; |
|
} |
|
|
|
if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) && |
|
hdev->discov_timeout > 0) { |
|
int to = msecs_to_jiffies(hdev->discov_timeout * 1000); |
|
queue_delayed_work(hdev->req_workqueue, &hdev->discov_off, to); |
|
} |
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
|
new_settings(hdev, cmd->sk); |
|
|
|
remove_cmd: |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_discoverable *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
u16 timeout; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
|
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
timeout = __le16_to_cpu(cp->timeout); |
|
|
|
/* Disabling discoverable requires that no timeout is set, |
|
* and enabling limited discoverable requires a timeout. |
|
*/ |
|
if ((cp->val == 0x00 && timeout > 0) || |
|
(cp->val == 0x02 && timeout == 0)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev) && timeout > 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_NOT_POWERED); |
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
|
pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_REJECTED); |
|
goto failed; |
|
} |
|
|
|
if (hdev->advertising_paused) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
bool changed = false; |
|
|
|
/* Setting limited discoverable when powered off is |
|
* not a valid operation since it requires a timeout |
|
* and so no need to check HCI_LIMITED_DISCOVERABLE. |
|
*/ |
|
if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) { |
|
hci_dev_change_flag(hdev, HCI_DISCOVERABLE); |
|
changed = true; |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
|
if (err < 0) |
|
goto failed; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto failed; |
|
} |
|
|
|
/* If the current mode is the same, then just update the timeout |
|
* value with the new value. And if only the timeout gets updated, |
|
* then no need for any HCI transactions. |
|
*/ |
|
if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) && |
|
(cp->val == 0x02) == hci_dev_test_flag(hdev, |
|
HCI_LIMITED_DISCOVERABLE)) { |
|
cancel_delayed_work(&hdev->discov_off); |
|
hdev->discov_timeout = timeout; |
|
|
|
if (cp->val && hdev->discov_timeout > 0) { |
|
int to = msecs_to_jiffies(hdev->discov_timeout * 1000); |
|
queue_delayed_work(hdev->req_workqueue, |
|
&hdev->discov_off, to); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
/* Cancel any potential discoverable timeout that might be |
|
* still active and store new timeout value. The arming of |
|
* the timeout happens in the complete handler. |
|
*/ |
|
cancel_delayed_work(&hdev->discov_off); |
|
hdev->discov_timeout = timeout; |
|
|
|
if (cp->val) |
|
hci_dev_set_flag(hdev, HCI_DISCOVERABLE); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
|
|
|
/* Limited discoverable mode */ |
|
if (cp->val == 0x02) |
|
hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
|
|
|
queue_work(hdev->req_workqueue, &hdev->discoverable_update); |
|
err = 0; |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
|
goto remove_cmd; |
|
} |
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); |
|
new_settings(hdev, cmd->sk); |
|
|
|
remove_cmd: |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_connectable_update_settings(struct hci_dev *hdev, |
|
struct sock *sk, u8 val) |
|
{ |
|
bool changed = false; |
|
int err; |
|
|
|
if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
|
changed = true; |
|
|
|
if (val) { |
|
hci_dev_set_flag(hdev, HCI_CONNECTABLE); |
|
} else { |
|
hci_dev_clear_flag(hdev, HCI_CONNECTABLE); |
|
hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); |
|
if (err < 0) |
|
return err; |
|
|
|
if (changed) { |
|
hci_req_update_scan(hdev); |
|
hci_update_background_scan(hdev); |
|
return new_settings(hdev, sk); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
|
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = set_connectable_update_settings(hdev, sk, cp->val); |
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
|
pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
if (cp->val) { |
|
hci_dev_set_flag(hdev, HCI_CONNECTABLE); |
|
} else { |
|
if (hdev->discov_timeout > 0) |
|
cancel_delayed_work(&hdev->discov_off); |
|
|
|
hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
|
hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
|
hci_dev_clear_flag(hdev, HCI_CONNECTABLE); |
|
} |
|
|
|
queue_work(hdev->req_workqueue, &hdev->connectable_update); |
|
err = 0; |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
bool changed; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->val) |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE); |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) { |
|
/* In limited privacy mode the change of bondable mode |
|
* may affect the local advertising address. |
|
*/ |
|
if (hdev_is_powered(hdev) && |
|
hci_dev_test_flag(hdev, HCI_ADVERTISING) && |
|
hci_dev_test_flag(hdev, HCI_DISCOVERABLE) && |
|
hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY)) |
|
queue_work(hdev->req_workqueue, |
|
&hdev->discoverable_update); |
|
|
|
err = new_settings(hdev, sk); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
u8 val, status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
status = mgmt_bredr_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
|
status); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
bool changed = false; |
|
|
|
if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) { |
|
hci_dev_change_flag(hdev, HCI_LINK_SECURITY); |
|
changed = true; |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); |
|
if (err < 0) |
|
goto failed; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
val = !!cp->val; |
|
|
|
if (test_bit(HCI_AUTH, &hdev->flags) == val) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); |
|
if (err < 0) { |
|
mgmt_pending_remove(cmd); |
|
goto failed; |
|
} |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
status = mgmt_bredr_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); |
|
|
|
if (!lmp_ssp_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
bool changed; |
|
|
|
if (cp->val) { |
|
changed = !hci_dev_test_and_set_flag(hdev, |
|
HCI_SSP_ENABLED); |
|
} else { |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_SSP_ENABLED); |
|
if (!changed) |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_HS_ENABLED); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
|
if (err < 0) |
|
goto failed; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_SSP, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) |
|
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, |
|
sizeof(cp->val), &cp->val); |
|
|
|
err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); |
|
if (err < 0) { |
|
mgmt_pending_remove(cmd); |
|
goto failed; |
|
} |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
bool changed; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!IS_ENABLED(CONFIG_BT_HS)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
status = mgmt_bredr_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); |
|
|
|
if (!lmp_ssp_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_find(MGMT_OP_SET_SSP, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (cp->val) { |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED); |
|
} else { |
|
if (hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
|
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, |
|
&mgmt_err); |
|
goto unlock; |
|
} |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); |
|
|
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
|
|
/* Make sure the controller has a good default for |
|
* advertising data. Restrict the update to when LE |
|
* has actually been enabled. During power on, the |
|
* update in powered_update_hci will take care of it. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
|
struct hci_request req; |
|
hci_req_init(&req, hdev); |
|
if (ext_adv_capable(hdev)) { |
|
int err; |
|
|
|
err = __hci_req_setup_ext_adv_instance(&req, 0x00); |
|
if (!err) |
|
__hci_req_update_scan_rsp_data(&req, 0x00); |
|
} else { |
|
__hci_req_update_adv_data(&req, 0x00); |
|
__hci_req_update_scan_rsp_data(&req, 0x00); |
|
} |
|
hci_req_run(&req, NULL); |
|
hci_update_background_scan(hdev); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct hci_cp_write_le_host_supported hci_cp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
u8 val, enabled; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
/* Bluetooth single mode LE only controllers or dual-mode |
|
* controllers configured as LE only devices, do not allow |
|
* switching LE off. These have either LE enabled explicitly |
|
* or BR/EDR has been previously switched off. |
|
* |
|
* When trying to enable an already enabled LE, then gracefully |
|
* send a positive response. Trying to disable it however will |
|
* result into rejection. |
|
*/ |
|
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
|
if (cp->val == 0x01) |
|
return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
|
|
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
|
MGMT_STATUS_REJECTED); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
val = !!cp->val; |
|
enabled = lmp_host_le_capable(hdev); |
|
|
|
if (!val) |
|
hci_req_clear_adv_instance(hdev, NULL, NULL, 0x00, true); |
|
|
|
if (!hdev_is_powered(hdev) || val == enabled) { |
|
bool changed = false; |
|
|
|
if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
|
hci_dev_change_flag(hdev, HCI_LE_ENABLED); |
|
changed = true; |
|
} |
|
|
|
if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) { |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
|
changed = true; |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto unlock; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_LE, hdev) || |
|
pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
memset(&hci_cp, 0, sizeof(hci_cp)); |
|
|
|
if (val) { |
|
hci_cp.le = val; |
|
hci_cp.simul = 0x00; |
|
} else { |
|
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
|
__hci_req_disable_advertising(&req); |
|
|
|
if (ext_adv_capable(hdev)) |
|
__hci_req_clear_ext_adv_sets(&req); |
|
} |
|
|
|
hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), |
|
&hci_cp); |
|
|
|
err = hci_req_run(&req, le_enable_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
/* This is a helper function to test for pending mgmt commands that can |
|
* cause CoD or EIR HCI commands. We can only allow one such pending |
|
* mgmt command at a time since otherwise we cannot easily track what |
|
* the current values are, will be, and based on that calculate if a new |
|
* HCI command needs to be sent and if yes with what value. |
|
*/ |
|
static bool pending_eir_or_class(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
|
switch (cmd->opcode) { |
|
case MGMT_OP_ADD_UUID: |
|
case MGMT_OP_REMOVE_UUID: |
|
case MGMT_OP_SET_DEV_CLASS: |
|
case MGMT_OP_SET_POWERED: |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static const u8 bluetooth_base_uuid[] = { |
|
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, |
|
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
}; |
|
|
|
static u8 get_uuid_size(const u8 *uuid) |
|
{ |
|
u32 val; |
|
|
|
if (memcmp(uuid, bluetooth_base_uuid, 12)) |
|
return 128; |
|
|
|
val = get_unaligned_le32(&uuid[12]); |
|
if (val > 0xffff) |
|
return 32; |
|
|
|
return 16; |
|
} |
|
|
|
static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(mgmt_op, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status), hdev->dev_class, 3); |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); |
|
} |
|
|
|
static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
|
{ |
|
struct mgmt_cp_add_uuid *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
struct bt_uuid *uuid; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_eir_or_class(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); |
|
if (!uuid) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
memcpy(uuid->uuid, cp->uuid, 16); |
|
uuid->svc_hint = cp->svc_hint; |
|
uuid->size = get_uuid_size(cp->uuid); |
|
|
|
list_add_tail(&uuid->list, &hdev->uuids); |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
__hci_req_update_class(&req); |
|
__hci_req_update_eir(&req); |
|
|
|
err = hci_req_run(&req, add_uuid_complete); |
|
if (err < 0) { |
|
if (err != -ENODATA) |
|
goto failed; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, |
|
hdev->dev_class, 3); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
err = 0; |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static bool enable_service_cache(struct hci_dev *hdev) |
|
{ |
|
if (!hdev_is_powered(hdev)) |
|
return false; |
|
|
|
if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) { |
|
queue_delayed_work(hdev->workqueue, &hdev->service_cache, |
|
CACHE_TIMEOUT); |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); |
|
} |
|
|
|
static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_remove_uuid *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct bt_uuid *match, *tmp; |
|
u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
|
struct hci_request req; |
|
int err, found; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_eir_or_class(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { |
|
hci_uuids_clear(hdev); |
|
|
|
if (enable_service_cache(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_UUID, |
|
0, hdev->dev_class, 3); |
|
goto unlock; |
|
} |
|
|
|
goto update_class; |
|
} |
|
|
|
found = 0; |
|
|
|
list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { |
|
if (memcmp(match->uuid, cp->uuid, 16) != 0) |
|
continue; |
|
|
|
list_del(&match->list); |
|
kfree(match); |
|
found++; |
|
} |
|
|
|
if (found == 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
update_class: |
|
hci_req_init(&req, hdev); |
|
|
|
__hci_req_update_class(&req); |
|
__hci_req_update_eir(&req); |
|
|
|
err = hci_req_run(&req, remove_uuid_complete); |
|
if (err < 0) { |
|
if (err != -ENODATA) |
|
goto unlock; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, |
|
hdev->dev_class, 3); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
err = 0; |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); |
|
} |
|
|
|
static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_dev_class *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_bredr_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_eir_or_class(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
hdev->major_class = cp->major; |
|
hdev->minor_class = cp->minor; |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
|
hdev->dev_class, 3); |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) { |
|
hci_dev_unlock(hdev); |
|
cancel_delayed_work_sync(&hdev->service_cache); |
|
hci_dev_lock(hdev); |
|
__hci_req_update_eir(&req); |
|
} |
|
|
|
__hci_req_update_class(&req); |
|
|
|
err = hci_req_run(&req, set_class_complete); |
|
if (err < 0) { |
|
if (err != -ENODATA) |
|
goto unlock; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
|
hdev->dev_class, 3); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
err = 0; |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_load_link_keys *cp = data; |
|
const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
|
sizeof(struct mgmt_link_key_info)); |
|
u16 key_count, expected_len; |
|
bool changed; |
|
int i; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_bredr_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
key_count = __le16_to_cpu(cp->key_count); |
|
if (key_count > max_key_count) { |
|
bt_dev_err(hdev, "load_link_keys: too big key_count value %u", |
|
key_count); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
expected_len = struct_size(cp, keys, key_count); |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "load_link_keys: expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
bt_dev_dbg(hdev, "debug_keys %u key_count %u", cp->debug_keys, |
|
key_count); |
|
|
|
for (i = 0; i < key_count; i++) { |
|
struct mgmt_link_key_info *key = &cp->keys[i]; |
|
|
|
if (key->addr.type != BDADDR_BREDR || key->type > 0x08) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_LOAD_LINK_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_link_keys_clear(hdev); |
|
|
|
if (cp->debug_keys) |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_KEEP_DEBUG_KEYS); |
|
|
|
if (changed) |
|
new_settings(hdev, NULL); |
|
|
|
for (i = 0; i < key_count; i++) { |
|
struct mgmt_link_key_info *key = &cp->keys[i]; |
|
|
|
if (hci_is_blocked_key(hdev, |
|
HCI_BLOCKED_KEY_TYPE_LINKKEY, |
|
key->val)) { |
|
bt_dev_warn(hdev, "Skipping blocked link key for %pMR", |
|
&key->addr.bdaddr); |
|
continue; |
|
} |
|
|
|
/* Always ignore debug keys and require a new pairing if |
|
* the user wants to use them. |
|
*/ |
|
if (key->type == HCI_LK_DEBUG_COMBINATION) |
|
continue; |
|
|
|
hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val, |
|
key->type, key->pin_len, NULL); |
|
} |
|
|
|
mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return 0; |
|
} |
|
|
|
static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 addr_type, struct sock *skip_sk) |
|
{ |
|
struct mgmt_ev_device_unpaired ev; |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = addr_type; |
|
|
|
return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), |
|
skip_sk); |
|
} |
|
|
|
static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_unpair_device *cp = data; |
|
struct mgmt_rp_unpair_device rp; |
|
struct hci_conn_params *params; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
u8 addr_type; |
|
int err; |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
if (cp->disconnect != 0x00 && cp->disconnect != 0x01) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
|
MGMT_STATUS_NOT_POWERED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
/* If disconnection is requested, then look up the |
|
* connection. If the remote device is connected, it |
|
* will be later used to terminate the link. |
|
* |
|
* Setting it to NULL explicitly will cause no |
|
* termination of the link. |
|
*/ |
|
if (cp->disconnect) |
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
|
&cp->addr.bdaddr); |
|
else |
|
conn = NULL; |
|
|
|
err = hci_remove_link_key(hdev, &cp->addr.bdaddr); |
|
if (err < 0) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_UNPAIR_DEVICE, |
|
MGMT_STATUS_NOT_PAIRED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
goto done; |
|
} |
|
|
|
/* LE address type */ |
|
addr_type = le_addr_type(cp->addr.type); |
|
|
|
/* Abort any ongoing SMP pairing. Removes ltk and irk if they exist. */ |
|
err = smp_cancel_and_remove_pairing(hdev, &cp->addr.bdaddr, addr_type); |
|
if (err < 0) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
|
MGMT_STATUS_NOT_PAIRED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type); |
|
if (!conn) { |
|
hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type); |
|
goto done; |
|
} |
|
|
|
|
|
/* Defer clearing up the connection parameters until closing to |
|
* give a chance of keeping them if a repairing happens. |
|
*/ |
|
set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); |
|
|
|
/* Disable auto-connection parameters if present */ |
|
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type); |
|
if (params) { |
|
if (params->explicit_connect) |
|
params->auto_connect = HCI_AUTO_CONN_EXPLICIT; |
|
else |
|
params->auto_connect = HCI_AUTO_CONN_DISABLED; |
|
} |
|
|
|
/* If disconnection is not requested, then clear the connection |
|
* variable so that the link is not terminated. |
|
*/ |
|
if (!cp->disconnect) |
|
conn = NULL; |
|
|
|
done: |
|
/* If the connection variable is set, then termination of the |
|
* link is requested. |
|
*/ |
|
if (!conn) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, |
|
&rp, sizeof(rp)); |
|
device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, |
|
sizeof(*cp)); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
cmd->cmd_complete = addr_cmd_complete; |
|
|
|
err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_disconnect *cp = data; |
|
struct mgmt_rp_disconnect rp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!test_bit(HCI_UP, &hdev->flags)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
|
MGMT_STATUS_NOT_POWERED, &rp, |
|
sizeof(rp)); |
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_DISCONNECT, hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
|
MGMT_STATUS_BUSY, &rp, sizeof(rp)); |
|
goto failed; |
|
} |
|
|
|
if (cp->addr.type == BDADDR_BREDR) |
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
|
&cp->addr.bdaddr); |
|
else |
|
conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, |
|
le_addr_type(cp->addr.type)); |
|
|
|
if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
|
MGMT_STATUS_NOT_CONNECTED, &rp, |
|
sizeof(rp)); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
cmd->cmd_complete = generic_cmd_complete; |
|
|
|
err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static u8 link_to_bdaddr(u8 link_type, u8 addr_type) |
|
{ |
|
switch (link_type) { |
|
case LE_LINK: |
|
switch (addr_type) { |
|
case ADDR_LE_DEV_PUBLIC: |
|
return BDADDR_LE_PUBLIC; |
|
|
|
default: |
|
/* Fallback to LE Random address type */ |
|
return BDADDR_LE_RANDOM; |
|
} |
|
|
|
default: |
|
/* Fallback to BR/EDR type */ |
|
return BDADDR_BREDR; |
|
} |
|
} |
|
|
|
static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 data_len) |
|
{ |
|
struct mgmt_rp_get_connections *rp; |
|
struct hci_conn *c; |
|
int err; |
|
u16 i; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, |
|
MGMT_STATUS_NOT_POWERED); |
|
goto unlock; |
|
} |
|
|
|
i = 0; |
|
list_for_each_entry(c, &hdev->conn_hash.list, list) { |
|
if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
|
i++; |
|
} |
|
|
|
rp = kmalloc(struct_size(rp, addr, i), GFP_KERNEL); |
|
if (!rp) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
i = 0; |
|
list_for_each_entry(c, &hdev->conn_hash.list, list) { |
|
if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
|
continue; |
|
bacpy(&rp->addr[i].bdaddr, &c->dst); |
|
rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); |
|
if (c->type == SCO_LINK || c->type == ESCO_LINK) |
|
continue; |
|
i++; |
|
} |
|
|
|
rp->conn_count = cpu_to_le16(i); |
|
|
|
/* Recalculate length in case of filtered SCO connections, etc */ |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, |
|
struct_size(rp, addr, i)); |
|
|
|
kfree(rp); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
|
struct mgmt_cp_pin_code_neg_reply *cp) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, |
|
sizeof(*cp)); |
|
if (!cmd) |
|
return -ENOMEM; |
|
|
|
cmd->cmd_complete = addr_cmd_complete; |
|
|
|
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
|
sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
return err; |
|
} |
|
|
|
static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct hci_conn *conn; |
|
struct mgmt_cp_pin_code_reply *cp = data; |
|
struct hci_cp_pin_code_reply reply; |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
|
MGMT_STATUS_NOT_POWERED); |
|
goto failed; |
|
} |
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
|
if (!conn) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
|
MGMT_STATUS_NOT_CONNECTED); |
|
goto failed; |
|
} |
|
|
|
if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { |
|
struct mgmt_cp_pin_code_neg_reply ncp; |
|
|
|
memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); |
|
|
|
bt_dev_err(hdev, "PIN code is not 16 bytes long"); |
|
|
|
err = send_pin_code_neg_reply(sk, hdev, &ncp); |
|
if (err >= 0) |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
cmd->cmd_complete = addr_cmd_complete; |
|
|
|
bacpy(&reply.bdaddr, &cp->addr.bdaddr); |
|
reply.pin_len = cp->pin_len; |
|
memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
|
|
|
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_io_capability *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hdev->io_capability = cp->io_capability; |
|
|
|
bt_dev_dbg(hdev, "IO capability set to 0x%02x", hdev->io_capability); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, |
|
NULL, 0); |
|
} |
|
|
|
static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn) |
|
{ |
|
struct hci_dev *hdev = conn->hdev; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
|
if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
|
continue; |
|
|
|
if (cmd->user_data != conn) |
|
continue; |
|
|
|
return cmd; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status) |
|
{ |
|
struct mgmt_rp_pair_device rp; |
|
struct hci_conn *conn = cmd->user_data; |
|
int err; |
|
|
|
bacpy(&rp.addr.bdaddr, &conn->dst); |
|
rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); |
|
|
|
err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, |
|
status, &rp, sizeof(rp)); |
|
|
|
/* So we don't get further callbacks for this connection */ |
|
conn->connect_cfm_cb = NULL; |
|
conn->security_cfm_cb = NULL; |
|
conn->disconn_cfm_cb = NULL; |
|
|
|
hci_conn_drop(conn); |
|
|
|
/* The device is paired so there is no need to remove |
|
* its connection parameters anymore. |
|
*/ |
|
clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); |
|
|
|
hci_conn_put(conn); |
|
|
|
return err; |
|
} |
|
|
|
void mgmt_smp_complete(struct hci_conn *conn, bool complete) |
|
{ |
|
u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
cmd = find_pairing(conn); |
|
if (cmd) { |
|
cmd->cmd_complete(cmd, status); |
|
mgmt_pending_remove(cmd); |
|
} |
|
} |
|
|
|
static void pairing_complete_cb(struct hci_conn *conn, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
BT_DBG("status %u", status); |
|
|
|
cmd = find_pairing(conn); |
|
if (!cmd) { |
|
BT_DBG("Unable to find a pending command"); |
|
return; |
|
} |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static void le_pairing_complete_cb(struct hci_conn *conn, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
BT_DBG("status %u", status); |
|
|
|
if (!status) |
|
return; |
|
|
|
cmd = find_pairing(conn); |
|
if (!cmd) { |
|
BT_DBG("Unable to find a pending command"); |
|
return; |
|
} |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_pair_device *cp = data; |
|
struct mgmt_rp_pair_device rp; |
|
struct mgmt_pending_cmd *cmd; |
|
u8 sec_level, auth_type; |
|
struct hci_conn *conn; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
MGMT_STATUS_NOT_POWERED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
MGMT_STATUS_ALREADY_PAIRED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
sec_level = BT_SECURITY_MEDIUM; |
|
auth_type = HCI_AT_DEDICATED_BONDING; |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level, |
|
auth_type, CONN_REASON_PAIR_DEVICE); |
|
} else { |
|
u8 addr_type = le_addr_type(cp->addr.type); |
|
struct hci_conn_params *p; |
|
|
|
/* When pairing a new device, it is expected to remember |
|
* this device for future connections. Adding the connection |
|
* parameter information ahead of time allows tracking |
|
* of the peripheral preferred values and will speed up any |
|
* further connection establishment. |
|
* |
|
* If connection parameters already exist, then they |
|
* will be kept and this function does nothing. |
|
*/ |
|
p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); |
|
|
|
if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT) |
|
p->auto_connect = HCI_AUTO_CONN_DISABLED; |
|
|
|
conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr, addr_type, |
|
sec_level, HCI_LE_CONN_TIMEOUT, |
|
CONN_REASON_PAIR_DEVICE); |
|
} |
|
|
|
if (IS_ERR(conn)) { |
|
int status; |
|
|
|
if (PTR_ERR(conn) == -EBUSY) |
|
status = MGMT_STATUS_BUSY; |
|
else if (PTR_ERR(conn) == -EOPNOTSUPP) |
|
status = MGMT_STATUS_NOT_SUPPORTED; |
|
else if (PTR_ERR(conn) == -ECONNREFUSED) |
|
status = MGMT_STATUS_REJECTED; |
|
else |
|
status = MGMT_STATUS_CONNECT_FAILED; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
status, &rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (conn->connect_cfm_cb) { |
|
hci_conn_drop(conn); |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
|
MGMT_STATUS_BUSY, &rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
hci_conn_drop(conn); |
|
goto unlock; |
|
} |
|
|
|
cmd->cmd_complete = pairing_complete; |
|
|
|
/* For LE, just connecting isn't a proof that the pairing finished */ |
|
if (cp->addr.type == BDADDR_BREDR) { |
|
conn->connect_cfm_cb = pairing_complete_cb; |
|
conn->security_cfm_cb = pairing_complete_cb; |
|
conn->disconn_cfm_cb = pairing_complete_cb; |
|
} else { |
|
conn->connect_cfm_cb = le_pairing_complete_cb; |
|
conn->security_cfm_cb = le_pairing_complete_cb; |
|
conn->disconn_cfm_cb = le_pairing_complete_cb; |
|
} |
|
|
|
conn->io_capability = cp->io_cap; |
|
cmd->user_data = hci_conn_get(conn); |
|
|
|
if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) && |
|
hci_conn_security(conn, sec_level, auth_type, true)) { |
|
cmd->cmd_complete(cmd, 0); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
err = 0; |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_addr_info *addr = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
|
MGMT_STATUS_NOT_POWERED); |
|
goto unlock; |
|
} |
|
|
|
cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev); |
|
if (!cmd) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
conn = cmd->user_data; |
|
|
|
if (bacmp(&addr->bdaddr, &conn->dst) != 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED); |
|
mgmt_pending_remove(cmd); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, |
|
addr, sizeof(*addr)); |
|
|
|
/* Since user doesn't want to proceed with the connection, abort any |
|
* ongoing pairing and then terminate the link if it was created |
|
* because of the pair device action. |
|
*/ |
|
if (addr->type == BDADDR_BREDR) |
|
hci_remove_link_key(hdev, &addr->bdaddr); |
|
else |
|
smp_cancel_and_remove_pairing(hdev, &addr->bdaddr, |
|
le_addr_type(addr->type)); |
|
|
|
if (conn->conn_reason == CONN_REASON_PAIR_DEVICE) |
|
hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, |
|
struct mgmt_addr_info *addr, u16 mgmt_op, |
|
u16 hci_op, __le32 passkey) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
int err; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
|
MGMT_STATUS_NOT_POWERED, addr, |
|
sizeof(*addr)); |
|
goto done; |
|
} |
|
|
|
if (addr->type == BDADDR_BREDR) |
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); |
|
else |
|
conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr, |
|
le_addr_type(addr->type)); |
|
|
|
if (!conn) { |
|
err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
|
MGMT_STATUS_NOT_CONNECTED, addr, |
|
sizeof(*addr)); |
|
goto done; |
|
} |
|
|
|
if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { |
|
err = smp_user_confirm_reply(conn, mgmt_op, passkey); |
|
if (!err) |
|
err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
|
MGMT_STATUS_SUCCESS, addr, |
|
sizeof(*addr)); |
|
else |
|
err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
|
MGMT_STATUS_FAILED, addr, |
|
sizeof(*addr)); |
|
|
|
goto done; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto done; |
|
} |
|
|
|
cmd->cmd_complete = addr_cmd_complete; |
|
|
|
/* Continue with pairing via HCI */ |
|
if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { |
|
struct hci_cp_user_passkey_reply cp; |
|
|
|
bacpy(&cp.bdaddr, &addr->bdaddr); |
|
cp.passkey = passkey; |
|
err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); |
|
} else |
|
err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), |
|
&addr->bdaddr); |
|
|
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
done: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_pin_code_neg_reply *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr, |
|
MGMT_OP_PIN_CODE_NEG_REPLY, |
|
HCI_OP_PIN_CODE_NEG_REPLY, 0); |
|
} |
|
|
|
static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_user_confirm_reply *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (len != sizeof(*cp)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr, |
|
MGMT_OP_USER_CONFIRM_REPLY, |
|
HCI_OP_USER_CONFIRM_REPLY, 0); |
|
} |
|
|
|
static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_user_confirm_neg_reply *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr, |
|
MGMT_OP_USER_CONFIRM_NEG_REPLY, |
|
HCI_OP_USER_CONFIRM_NEG_REPLY, 0); |
|
} |
|
|
|
static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_user_passkey_reply *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr, |
|
MGMT_OP_USER_PASSKEY_REPLY, |
|
HCI_OP_USER_PASSKEY_REPLY, cp->passkey); |
|
} |
|
|
|
static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_user_passkey_neg_reply *cp = data; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr, |
|
MGMT_OP_USER_PASSKEY_NEG_REPLY, |
|
HCI_OP_USER_PASSKEY_NEG_REPLY, 0); |
|
} |
|
|
|
static void adv_expire(struct hci_dev *hdev, u32 flags) |
|
{ |
|
struct adv_info *adv_instance; |
|
struct hci_request req; |
|
int err; |
|
|
|
adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance); |
|
if (!adv_instance) |
|
return; |
|
|
|
/* stop if current instance doesn't need to be changed */ |
|
if (!(adv_instance->flags & flags)) |
|
return; |
|
|
|
cancel_adv_timeout(hdev); |
|
|
|
adv_instance = hci_get_next_instance(hdev, adv_instance->instance); |
|
if (!adv_instance) |
|
return; |
|
|
|
hci_req_init(&req, hdev); |
|
err = __hci_req_schedule_adv_instance(&req, adv_instance->instance, |
|
true); |
|
if (err) |
|
return; |
|
|
|
hci_req_run(&req, NULL); |
|
} |
|
|
|
static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
struct mgmt_cp_set_local_name *cp; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
cp = cmd->param; |
|
|
|
if (status) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, |
|
mgmt_status(status)); |
|
} else { |
|
mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
|
cp, sizeof(*cp)); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
|
adv_expire(hdev, MGMT_ADV_FLAG_LOCAL_NAME); |
|
} |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_local_name *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* If the old values are the same as the new ones just return a |
|
* direct command complete event. |
|
*/ |
|
if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && |
|
!memcmp(hdev->short_name, cp->short_name, |
|
sizeof(hdev->short_name))) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
|
data, len); |
|
goto failed; |
|
} |
|
|
|
memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
|
data, len); |
|
if (err < 0) |
|
goto failed; |
|
|
|
err = mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, |
|
len, HCI_MGMT_LOCAL_NAME_EVENTS, sk); |
|
ext_info_changed(hdev, sk); |
|
|
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (lmp_bredr_capable(hdev)) { |
|
__hci_req_update_name(&req); |
|
__hci_req_update_eir(&req); |
|
} |
|
|
|
/* The name is stored in the scan response data and so |
|
* no need to update the advertising data here. |
|
*/ |
|
if (lmp_le_capable(hdev) && hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
|
__hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance); |
|
|
|
err = hci_req_run(&req, set_name_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_appearance *cp = data; |
|
u16 appearance; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_APPEARANCE, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
appearance = le16_to_cpu(cp->appearance); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (hdev->appearance != appearance) { |
|
hdev->appearance = appearance; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
|
adv_expire(hdev, MGMT_ADV_FLAG_APPEARANCE); |
|
|
|
ext_info_changed(hdev, sk); |
|
} |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_APPEARANCE, 0, NULL, |
|
0); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int get_phy_configuration(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_rp_get_phy_configuration rp; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
|
|
rp.supported_phys = cpu_to_le32(get_supported_phys(hdev)); |
|
rp.selected_phys = cpu_to_le32(get_selected_phys(hdev)); |
|
rp.configurable_phys = cpu_to_le32(get_configurable_phys(hdev)); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_PHY_CONFIGURATION, 0, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip) |
|
{ |
|
struct mgmt_ev_phy_configuration_changed ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
|
|
ev.selected_phys = cpu_to_le32(get_selected_phys(hdev)); |
|
|
|
return mgmt_event(MGMT_EV_PHY_CONFIGURATION_CHANGED, hdev, &ev, |
|
sizeof(ev), skip); |
|
} |
|
|
|
static void set_default_phy_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode, struct sk_buff *skb) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
mgmt_status(status)); |
|
} else { |
|
mgmt_cmd_complete(cmd->sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, 0, |
|
NULL, 0); |
|
|
|
mgmt_phy_configuration_changed(hdev, cmd->sk); |
|
} |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_set_phy_configuration *cp = data; |
|
struct hci_cp_le_set_default_phy cp_phy; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
u32 selected_phys, configurable_phys, supported_phys, unconfigure_phys; |
|
u16 pkt_type = (HCI_DH1 | HCI_DM1); |
|
bool changed = false; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
configurable_phys = get_configurable_phys(hdev); |
|
supported_phys = get_supported_phys(hdev); |
|
selected_phys = __le32_to_cpu(cp->selected_phys); |
|
|
|
if (selected_phys & ~supported_phys) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
unconfigure_phys = supported_phys & ~configurable_phys; |
|
|
|
if ((selected_phys & unconfigure_phys) != unconfigure_phys) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (selected_phys == get_selected_phys(hdev)) |
|
return mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
0, NULL, 0); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (selected_phys & MGMT_PHY_BR_1M_3SLOT) |
|
pkt_type |= (HCI_DH3 | HCI_DM3); |
|
else |
|
pkt_type &= ~(HCI_DH3 | HCI_DM3); |
|
|
|
if (selected_phys & MGMT_PHY_BR_1M_5SLOT) |
|
pkt_type |= (HCI_DH5 | HCI_DM5); |
|
else |
|
pkt_type &= ~(HCI_DH5 | HCI_DM5); |
|
|
|
if (selected_phys & MGMT_PHY_EDR_2M_1SLOT) |
|
pkt_type &= ~HCI_2DH1; |
|
else |
|
pkt_type |= HCI_2DH1; |
|
|
|
if (selected_phys & MGMT_PHY_EDR_2M_3SLOT) |
|
pkt_type &= ~HCI_2DH3; |
|
else |
|
pkt_type |= HCI_2DH3; |
|
|
|
if (selected_phys & MGMT_PHY_EDR_2M_5SLOT) |
|
pkt_type &= ~HCI_2DH5; |
|
else |
|
pkt_type |= HCI_2DH5; |
|
|
|
if (selected_phys & MGMT_PHY_EDR_3M_1SLOT) |
|
pkt_type &= ~HCI_3DH1; |
|
else |
|
pkt_type |= HCI_3DH1; |
|
|
|
if (selected_phys & MGMT_PHY_EDR_3M_3SLOT) |
|
pkt_type &= ~HCI_3DH3; |
|
else |
|
pkt_type |= HCI_3DH3; |
|
|
|
if (selected_phys & MGMT_PHY_EDR_3M_5SLOT) |
|
pkt_type &= ~HCI_3DH5; |
|
else |
|
pkt_type |= HCI_3DH5; |
|
|
|
if (pkt_type != hdev->pkt_type) { |
|
hdev->pkt_type = pkt_type; |
|
changed = true; |
|
} |
|
|
|
if ((selected_phys & MGMT_PHY_LE_MASK) == |
|
(get_selected_phys(hdev) & MGMT_PHY_LE_MASK)) { |
|
if (changed) |
|
mgmt_phy_configuration_changed(hdev, sk); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_SET_PHY_CONFIGURATION, |
|
0, NULL, 0); |
|
|
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data, |
|
len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
memset(&cp_phy, 0, sizeof(cp_phy)); |
|
|
|
if (!(selected_phys & MGMT_PHY_LE_TX_MASK)) |
|
cp_phy.all_phys |= 0x01; |
|
|
|
if (!(selected_phys & MGMT_PHY_LE_RX_MASK)) |
|
cp_phy.all_phys |= 0x02; |
|
|
|
if (selected_phys & MGMT_PHY_LE_1M_TX) |
|
cp_phy.tx_phys |= HCI_LE_SET_PHY_1M; |
|
|
|
if (selected_phys & MGMT_PHY_LE_2M_TX) |
|
cp_phy.tx_phys |= HCI_LE_SET_PHY_2M; |
|
|
|
if (selected_phys & MGMT_PHY_LE_CODED_TX) |
|
cp_phy.tx_phys |= HCI_LE_SET_PHY_CODED; |
|
|
|
if (selected_phys & MGMT_PHY_LE_1M_RX) |
|
cp_phy.rx_phys |= HCI_LE_SET_PHY_1M; |
|
|
|
if (selected_phys & MGMT_PHY_LE_2M_RX) |
|
cp_phy.rx_phys |= HCI_LE_SET_PHY_2M; |
|
|
|
if (selected_phys & MGMT_PHY_LE_CODED_RX) |
|
cp_phy.rx_phys |= HCI_LE_SET_PHY_CODED; |
|
|
|
hci_req_add(&req, HCI_OP_LE_SET_DEFAULT_PHY, sizeof(cp_phy), &cp_phy); |
|
|
|
err = hci_req_run_skb(&req, set_default_phy_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int set_blocked_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
int err = MGMT_STATUS_SUCCESS; |
|
struct mgmt_cp_set_blocked_keys *keys = data; |
|
const u16 max_key_count = ((U16_MAX - sizeof(*keys)) / |
|
sizeof(struct mgmt_blocked_key_info)); |
|
u16 key_count, expected_len; |
|
int i; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
key_count = __le16_to_cpu(keys->key_count); |
|
if (key_count > max_key_count) { |
|
bt_dev_err(hdev, "too big key_count value %u", key_count); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
expected_len = struct_size(keys, keys, key_count); |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_blocked_keys_clear(hdev); |
|
|
|
for (i = 0; i < keys->key_count; ++i) { |
|
struct blocked_key *b = kzalloc(sizeof(*b), GFP_KERNEL); |
|
|
|
if (!b) { |
|
err = MGMT_STATUS_NO_RESOURCES; |
|
break; |
|
} |
|
|
|
b->type = keys->keys[i].type; |
|
memcpy(b->val, keys->keys[i].val, sizeof(b->val)); |
|
list_add_rcu(&b->list, &hdev->blocked_keys); |
|
} |
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS, |
|
err, NULL, 0); |
|
} |
|
|
|
static int set_wideband_speech(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
int err; |
|
bool changed = false; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!test_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks)) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_WIDEBAND_SPEECH, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_WIDEBAND_SPEECH, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_find(MGMT_OP_SET_WIDEBAND_SPEECH, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_WIDEBAND_SPEECH, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (hdev_is_powered(hdev) && |
|
!!cp->val != hci_dev_test_flag(hdev, |
|
HCI_WIDEBAND_SPEECH_ENABLED)) { |
|
err = mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_WIDEBAND_SPEECH, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
|
|
if (cp->val) |
|
changed = !hci_dev_test_and_set_flag(hdev, |
|
HCI_WIDEBAND_SPEECH_ENABLED); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_WIDEBAND_SPEECH_ENABLED); |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_WIDEBAND_SPEECH, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int read_controller_cap(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
char buf[20]; |
|
struct mgmt_rp_read_controller_cap *rp = (void *)buf; |
|
u16 cap_len = 0; |
|
u8 flags = 0; |
|
u8 tx_power_range[2]; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&buf, 0, sizeof(buf)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* When the Read Simple Pairing Options command is supported, then |
|
* the remote public key validation is supported. |
|
* |
|
* Alternatively, when Microsoft extensions are available, they can |
|
* indicate support for public key validation as well. |
|
*/ |
|
if ((hdev->commands[41] & 0x08) || msft_curve_validity(hdev)) |
|
flags |= 0x01; /* Remote public key validation (BR/EDR) */ |
|
|
|
flags |= 0x02; /* Remote public key validation (LE) */ |
|
|
|
/* When the Read Encryption Key Size command is supported, then the |
|
* encryption key size is enforced. |
|
*/ |
|
if (hdev->commands[20] & 0x10) |
|
flags |= 0x04; /* Encryption key size enforcement (BR/EDR) */ |
|
|
|
flags |= 0x08; /* Encryption key size enforcement (LE) */ |
|
|
|
cap_len = eir_append_data(rp->cap, cap_len, MGMT_CAP_SEC_FLAGS, |
|
&flags, 1); |
|
|
|
/* When the Read Simple Pairing Options command is supported, then |
|
* also max encryption key size information is provided. |
|
*/ |
|
if (hdev->commands[41] & 0x08) |
|
cap_len = eir_append_le16(rp->cap, cap_len, |
|
MGMT_CAP_MAX_ENC_KEY_SIZE, |
|
hdev->max_enc_key_size); |
|
|
|
cap_len = eir_append_le16(rp->cap, cap_len, |
|
MGMT_CAP_SMP_MAX_ENC_KEY_SIZE, |
|
SMP_MAX_ENC_KEY_SIZE); |
|
|
|
/* Append the min/max LE tx power parameters if we were able to fetch |
|
* it from the controller |
|
*/ |
|
if (hdev->commands[38] & 0x80) { |
|
memcpy(&tx_power_range[0], &hdev->min_le_tx_power, 1); |
|
memcpy(&tx_power_range[1], &hdev->max_le_tx_power, 1); |
|
cap_len = eir_append_data(rp->cap, cap_len, MGMT_CAP_LE_TX_PWR, |
|
tx_power_range, 2); |
|
} |
|
|
|
rp->cap_len = cpu_to_le16(cap_len); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONTROLLER_CAP, 0, |
|
rp, sizeof(*rp) + cap_len); |
|
} |
|
|
|
#ifdef CONFIG_BT_FEATURE_DEBUG |
|
/* d4992530-b9ec-469f-ab01-6c481c47da1c */ |
|
static const u8 debug_uuid[16] = { |
|
0x1c, 0xda, 0x47, 0x1c, 0x48, 0x6c, 0x01, 0xab, |
|
0x9f, 0x46, 0xec, 0xb9, 0x30, 0x25, 0x99, 0xd4, |
|
}; |
|
#endif |
|
|
|
/* 671b10b5-42c0-4696-9227-eb28d1b049d6 */ |
|
static const u8 simult_central_periph_uuid[16] = { |
|
0xd6, 0x49, 0xb0, 0xd1, 0x28, 0xeb, 0x27, 0x92, |
|
0x96, 0x46, 0xc0, 0x42, 0xb5, 0x10, 0x1b, 0x67, |
|
}; |
|
|
|
/* 15c0a148-c273-11ea-b3de-0242ac130004 */ |
|
static const u8 rpa_resolution_uuid[16] = { |
|
0x04, 0x00, 0x13, 0xac, 0x42, 0x02, 0xde, 0xb3, |
|
0xea, 0x11, 0x73, 0xc2, 0x48, 0xa1, 0xc0, 0x15, |
|
}; |
|
|
|
static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
char buf[62]; /* Enough space for 3 features */ |
|
struct mgmt_rp_read_exp_features_info *rp = (void *)buf; |
|
u16 idx = 0; |
|
u32 flags; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&buf, 0, sizeof(buf)); |
|
|
|
#ifdef CONFIG_BT_FEATURE_DEBUG |
|
if (!hdev) { |
|
flags = bt_dbg_get() ? BIT(0) : 0; |
|
|
|
memcpy(rp->features[idx].uuid, debug_uuid, 16); |
|
rp->features[idx].flags = cpu_to_le32(flags); |
|
idx++; |
|
} |
|
#endif |
|
|
|
if (hdev) { |
|
if (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && |
|
(hdev->le_states[4] & 0x08) && /* Central */ |
|
(hdev->le_states[4] & 0x40) && /* Peripheral */ |
|
(hdev->le_states[3] & 0x10)) /* Simultaneous */ |
|
flags = BIT(0); |
|
else |
|
flags = 0; |
|
|
|
memcpy(rp->features[idx].uuid, simult_central_periph_uuid, 16); |
|
rp->features[idx].flags = cpu_to_le32(flags); |
|
idx++; |
|
} |
|
|
|
if (hdev && use_ll_privacy(hdev)) { |
|
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
flags = BIT(0) | BIT(1); |
|
else |
|
flags = BIT(1); |
|
|
|
memcpy(rp->features[idx].uuid, rpa_resolution_uuid, 16); |
|
rp->features[idx].flags = cpu_to_le32(flags); |
|
idx++; |
|
} |
|
|
|
rp->feature_count = cpu_to_le16(idx); |
|
|
|
/* After reading the experimental features information, enable |
|
* the events to update client on any future change. |
|
*/ |
|
hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS); |
|
|
|
return mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE, |
|
MGMT_OP_READ_EXP_FEATURES_INFO, |
|
0, rp, sizeof(*rp) + (20 * idx)); |
|
} |
|
|
|
static int exp_ll_privacy_feature_changed(bool enabled, struct hci_dev *hdev, |
|
struct sock *skip) |
|
{ |
|
struct mgmt_ev_exp_feature_changed ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
memcpy(ev.uuid, rpa_resolution_uuid, 16); |
|
ev.flags = cpu_to_le32((enabled ? BIT(0) : 0) | BIT(1)); |
|
|
|
return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev, |
|
&ev, sizeof(ev), |
|
HCI_MGMT_EXP_FEATURE_EVENTS, skip); |
|
|
|
} |
|
|
|
#ifdef CONFIG_BT_FEATURE_DEBUG |
|
static int exp_debug_feature_changed(bool enabled, struct sock *skip) |
|
{ |
|
struct mgmt_ev_exp_feature_changed ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
memcpy(ev.uuid, debug_uuid, 16); |
|
ev.flags = cpu_to_le32(enabled ? BIT(0) : 0); |
|
|
|
return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, NULL, |
|
&ev, sizeof(ev), |
|
HCI_MGMT_EXP_FEATURE_EVENTS, skip); |
|
} |
|
#endif |
|
|
|
static int set_exp_feature(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_set_exp_feature *cp = data; |
|
struct mgmt_rp_set_exp_feature rp; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!memcmp(cp->uuid, ZERO_KEY, 16)) { |
|
memset(rp.uuid, 0, 16); |
|
rp.flags = cpu_to_le32(0); |
|
|
|
#ifdef CONFIG_BT_FEATURE_DEBUG |
|
if (!hdev) { |
|
bool changed = bt_dbg_get(); |
|
|
|
bt_dbg_set(false); |
|
|
|
if (changed) |
|
exp_debug_feature_changed(false, sk); |
|
} |
|
#endif |
|
|
|
if (hdev && use_ll_privacy(hdev) && !hdev_is_powered(hdev)) { |
|
bool changed = hci_dev_test_flag(hdev, |
|
HCI_ENABLE_LL_PRIVACY); |
|
|
|
hci_dev_clear_flag(hdev, HCI_ENABLE_LL_PRIVACY); |
|
|
|
if (changed) |
|
exp_ll_privacy_feature_changed(false, hdev, sk); |
|
} |
|
|
|
hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS); |
|
|
|
return mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, 0, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
#ifdef CONFIG_BT_FEATURE_DEBUG |
|
if (!memcmp(cp->uuid, debug_uuid, 16)) { |
|
bool val, changed; |
|
int err; |
|
|
|
/* Command requires to use the non-controller index */ |
|
if (hdev) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_INDEX); |
|
|
|
/* Parameters are limited to a single octet */ |
|
if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1) |
|
return mgmt_cmd_status(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
/* Only boolean on/off is supported */ |
|
if (cp->param[0] != 0x00 && cp->param[0] != 0x01) |
|
return mgmt_cmd_status(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
val = !!cp->param[0]; |
|
changed = val ? !bt_dbg_get() : bt_dbg_get(); |
|
bt_dbg_set(val); |
|
|
|
memcpy(rp.uuid, debug_uuid, 16); |
|
rp.flags = cpu_to_le32(val ? BIT(0) : 0); |
|
|
|
hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS); |
|
|
|
err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, 0, |
|
&rp, sizeof(rp)); |
|
|
|
if (changed) |
|
exp_debug_feature_changed(val, sk); |
|
|
|
return err; |
|
} |
|
#endif |
|
|
|
if (!memcmp(cp->uuid, rpa_resolution_uuid, 16)) { |
|
bool val, changed; |
|
int err; |
|
u32 flags; |
|
|
|
/* Command requires to use the controller index */ |
|
if (!hdev) |
|
return mgmt_cmd_status(sk, MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_INDEX); |
|
|
|
/* Changes can only be made when controller is powered down */ |
|
if (hdev_is_powered(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_REJECTED); |
|
|
|
/* Parameters are limited to a single octet */ |
|
if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
/* Only boolean on/off is supported */ |
|
if (cp->param[0] != 0x00 && cp->param[0] != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
val = !!cp->param[0]; |
|
|
|
if (val) { |
|
changed = !hci_dev_test_flag(hdev, |
|
HCI_ENABLE_LL_PRIVACY); |
|
hci_dev_set_flag(hdev, HCI_ENABLE_LL_PRIVACY); |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
|
|
|
/* Enable LL privacy + supported settings changed */ |
|
flags = BIT(0) | BIT(1); |
|
} else { |
|
changed = hci_dev_test_flag(hdev, |
|
HCI_ENABLE_LL_PRIVACY); |
|
hci_dev_clear_flag(hdev, HCI_ENABLE_LL_PRIVACY); |
|
|
|
/* Disable LL privacy + supported settings changed */ |
|
flags = BIT(1); |
|
} |
|
|
|
memcpy(rp.uuid, rpa_resolution_uuid, 16); |
|
rp.flags = cpu_to_le32(flags); |
|
|
|
hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_SET_EXP_FEATURE, 0, |
|
&rp, sizeof(rp)); |
|
|
|
if (changed) |
|
exp_ll_privacy_feature_changed(val, hdev, sk); |
|
|
|
return err; |
|
} |
|
|
|
return mgmt_cmd_status(sk, hdev ? hdev->id : MGMT_INDEX_NONE, |
|
MGMT_OP_SET_EXP_FEATURE, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
} |
|
|
|
#define SUPPORTED_DEVICE_FLAGS() ((1U << HCI_CONN_FLAG_MAX) - 1) |
|
|
|
static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 data_len) |
|
{ |
|
struct mgmt_cp_get_device_flags *cp = data; |
|
struct mgmt_rp_get_device_flags rp; |
|
struct bdaddr_list_with_flags *br_params; |
|
struct hci_conn_params *params; |
|
u32 supported_flags = SUPPORTED_DEVICE_FLAGS(); |
|
u32 current_flags = 0; |
|
u8 status = MGMT_STATUS_INVALID_PARAMS; |
|
|
|
bt_dev_dbg(hdev, "Get device flags %pMR (type 0x%x)\n", |
|
&cp->addr.bdaddr, cp->addr.type); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list, |
|
&cp->addr.bdaddr, |
|
cp->addr.type); |
|
if (!br_params) |
|
goto done; |
|
|
|
current_flags = br_params->current_flags; |
|
} else { |
|
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
|
le_addr_type(cp->addr.type)); |
|
|
|
if (!params) |
|
goto done; |
|
|
|
current_flags = params->current_flags; |
|
} |
|
|
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
rp.supported_flags = cpu_to_le32(supported_flags); |
|
rp.current_flags = cpu_to_le32(current_flags); |
|
|
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
done: |
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_DEVICE_FLAGS, status, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
static void device_flags_changed(struct sock *sk, struct hci_dev *hdev, |
|
bdaddr_t *bdaddr, u8 bdaddr_type, |
|
u32 supported_flags, u32 current_flags) |
|
{ |
|
struct mgmt_ev_device_flags_changed ev; |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = bdaddr_type; |
|
ev.supported_flags = cpu_to_le32(supported_flags); |
|
ev.current_flags = cpu_to_le32(current_flags); |
|
|
|
mgmt_event(MGMT_EV_DEVICE_FLAGS_CHANGED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_device_flags *cp = data; |
|
struct bdaddr_list_with_flags *br_params; |
|
struct hci_conn_params *params; |
|
u8 status = MGMT_STATUS_INVALID_PARAMS; |
|
u32 supported_flags = SUPPORTED_DEVICE_FLAGS(); |
|
u32 current_flags = __le32_to_cpu(cp->current_flags); |
|
|
|
bt_dev_dbg(hdev, "Set device flags %pMR (type 0x%x) = 0x%x", |
|
&cp->addr.bdaddr, cp->addr.type, |
|
__le32_to_cpu(current_flags)); |
|
|
|
if ((supported_flags | current_flags) != supported_flags) { |
|
bt_dev_warn(hdev, "Bad flag given (0x%x) vs supported (0x%0x)", |
|
current_flags, supported_flags); |
|
goto done; |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list, |
|
&cp->addr.bdaddr, |
|
cp->addr.type); |
|
|
|
if (br_params) { |
|
br_params->current_flags = current_flags; |
|
status = MGMT_STATUS_SUCCESS; |
|
} else { |
|
bt_dev_warn(hdev, "No such BR/EDR device %pMR (0x%x)", |
|
&cp->addr.bdaddr, cp->addr.type); |
|
} |
|
} else { |
|
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
|
le_addr_type(cp->addr.type)); |
|
if (params) { |
|
params->current_flags = current_flags; |
|
status = MGMT_STATUS_SUCCESS; |
|
} else { |
|
bt_dev_warn(hdev, "No such LE device %pMR (0x%x)", |
|
&cp->addr.bdaddr, |
|
le_addr_type(cp->addr.type)); |
|
} |
|
} |
|
|
|
done: |
|
hci_dev_unlock(hdev); |
|
|
|
if (status == MGMT_STATUS_SUCCESS) |
|
device_flags_changed(sk, hdev, &cp->addr.bdaddr, cp->addr.type, |
|
supported_flags, current_flags); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_FLAGS, status, |
|
&cp->addr, sizeof(cp->addr)); |
|
} |
|
|
|
static void mgmt_adv_monitor_added(struct sock *sk, struct hci_dev *hdev, |
|
u16 handle) |
|
{ |
|
struct mgmt_ev_adv_monitor_added ev; |
|
|
|
ev.monitor_handle = cpu_to_le16(handle); |
|
|
|
mgmt_event(MGMT_EV_ADV_MONITOR_ADDED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle) |
|
{ |
|
struct mgmt_ev_adv_monitor_removed ev; |
|
struct mgmt_pending_cmd *cmd; |
|
struct sock *sk_skip = NULL; |
|
struct mgmt_cp_remove_adv_monitor *cp; |
|
|
|
cmd = pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev); |
|
if (cmd) { |
|
cp = cmd->param; |
|
|
|
if (cp->monitor_handle) |
|
sk_skip = cmd->sk; |
|
} |
|
|
|
ev.monitor_handle = cpu_to_le16(handle); |
|
|
|
mgmt_event(MGMT_EV_ADV_MONITOR_REMOVED, hdev, &ev, sizeof(ev), sk_skip); |
|
} |
|
|
|
static int read_adv_mon_features(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct adv_monitor *monitor = NULL; |
|
struct mgmt_rp_read_adv_monitor_features *rp = NULL; |
|
int handle, err; |
|
size_t rp_size = 0; |
|
__u32 supported = 0; |
|
__u32 enabled = 0; |
|
__u16 num_handles = 0; |
|
__u16 handles[HCI_MAX_ADV_MONITOR_NUM_HANDLES]; |
|
|
|
BT_DBG("request for %s", hdev->name); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (msft_monitor_supported(hdev)) |
|
supported |= MGMT_ADV_MONITOR_FEATURE_MASK_OR_PATTERNS; |
|
|
|
idr_for_each_entry(&hdev->adv_monitors_idr, monitor, handle) |
|
handles[num_handles++] = monitor->handle; |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
rp_size = sizeof(*rp) + (num_handles * sizeof(u16)); |
|
rp = kmalloc(rp_size, GFP_KERNEL); |
|
if (!rp) |
|
return -ENOMEM; |
|
|
|
/* All supported features are currently enabled */ |
|
enabled = supported; |
|
|
|
rp->supported_features = cpu_to_le32(supported); |
|
rp->enabled_features = cpu_to_le32(enabled); |
|
rp->max_num_handles = cpu_to_le16(HCI_MAX_ADV_MONITOR_NUM_HANDLES); |
|
rp->max_num_patterns = HCI_MAX_ADV_MONITOR_NUM_PATTERNS; |
|
rp->num_handles = cpu_to_le16(num_handles); |
|
if (num_handles) |
|
memcpy(&rp->handles, &handles, (num_handles * sizeof(u16))); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_READ_ADV_MONITOR_FEATURES, |
|
MGMT_STATUS_SUCCESS, rp, rp_size); |
|
|
|
kfree(rp); |
|
|
|
return err; |
|
} |
|
|
|
int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_rp_add_adv_patterns_monitor rp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct adv_monitor *monitor; |
|
int err = 0; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, hdev); |
|
if (!cmd) { |
|
cmd = pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR, hdev); |
|
if (!cmd) |
|
goto done; |
|
} |
|
|
|
monitor = cmd->user_data; |
|
rp.monitor_handle = cpu_to_le16(monitor->handle); |
|
|
|
if (!status) { |
|
mgmt_adv_monitor_added(cmd->sk, hdev, monitor->handle); |
|
hdev->adv_monitors_cnt++; |
|
if (monitor->state == ADV_MONITOR_STATE_NOT_REGISTERED) |
|
monitor->state = ADV_MONITOR_STATE_REGISTERED; |
|
hci_update_background_scan(hdev); |
|
} |
|
|
|
err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status), &rp, sizeof(rp)); |
|
mgmt_pending_remove(cmd); |
|
|
|
done: |
|
hci_dev_unlock(hdev); |
|
bt_dev_dbg(hdev, "add monitor %d complete, status %u", |
|
rp.monitor_handle, status); |
|
|
|
return err; |
|
} |
|
|
|
static int __add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev, |
|
struct adv_monitor *m, u8 status, |
|
void *data, u16 len, u16 op) |
|
{ |
|
struct mgmt_rp_add_adv_patterns_monitor rp; |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
bool pending; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (status) |
|
goto unlock; |
|
|
|
if (pending_find(MGMT_OP_SET_LE, hdev) || |
|
pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR, hdev) || |
|
pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, hdev) || |
|
pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev)) { |
|
status = MGMT_STATUS_BUSY; |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, op, hdev, data, len); |
|
if (!cmd) { |
|
status = MGMT_STATUS_NO_RESOURCES; |
|
goto unlock; |
|
} |
|
|
|
cmd->user_data = m; |
|
pending = hci_add_adv_monitor(hdev, m, &err); |
|
if (err) { |
|
if (err == -ENOSPC || err == -ENOMEM) |
|
status = MGMT_STATUS_NO_RESOURCES; |
|
else if (err == -EINVAL) |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
else |
|
status = MGMT_STATUS_FAILED; |
|
|
|
mgmt_pending_remove(cmd); |
|
goto unlock; |
|
} |
|
|
|
if (!pending) { |
|
mgmt_pending_remove(cmd); |
|
rp.monitor_handle = cpu_to_le16(m->handle); |
|
mgmt_adv_monitor_added(sk, hdev, m->handle); |
|
m->state = ADV_MONITOR_STATE_REGISTERED; |
|
hdev->adv_monitors_cnt++; |
|
|
|
hci_dev_unlock(hdev); |
|
return mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_SUCCESS, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return 0; |
|
|
|
unlock: |
|
hci_free_adv_monitor(hdev, m); |
|
hci_dev_unlock(hdev); |
|
return mgmt_cmd_status(sk, hdev->id, op, status); |
|
} |
|
|
|
static void parse_adv_monitor_rssi(struct adv_monitor *m, |
|
struct mgmt_adv_rssi_thresholds *rssi) |
|
{ |
|
if (rssi) { |
|
m->rssi.low_threshold = rssi->low_threshold; |
|
m->rssi.low_threshold_timeout = |
|
__le16_to_cpu(rssi->low_threshold_timeout); |
|
m->rssi.high_threshold = rssi->high_threshold; |
|
m->rssi.high_threshold_timeout = |
|
__le16_to_cpu(rssi->high_threshold_timeout); |
|
m->rssi.sampling_period = rssi->sampling_period; |
|
} else { |
|
/* Default values. These numbers are the least constricting |
|
* parameters for MSFT API to work, so it behaves as if there |
|
* are no rssi parameter to consider. May need to be changed |
|
* if other API are to be supported. |
|
*/ |
|
m->rssi.low_threshold = -127; |
|
m->rssi.low_threshold_timeout = 60; |
|
m->rssi.high_threshold = -127; |
|
m->rssi.high_threshold_timeout = 0; |
|
m->rssi.sampling_period = 0; |
|
} |
|
} |
|
|
|
static u8 parse_adv_monitor_pattern(struct adv_monitor *m, u8 pattern_count, |
|
struct mgmt_adv_pattern *patterns) |
|
{ |
|
u8 offset = 0, length = 0; |
|
struct adv_pattern *p = NULL; |
|
int i; |
|
|
|
for (i = 0; i < pattern_count; i++) { |
|
offset = patterns[i].offset; |
|
length = patterns[i].length; |
|
if (offset >= HCI_MAX_AD_LENGTH || |
|
length > HCI_MAX_AD_LENGTH || |
|
(offset + length) > HCI_MAX_AD_LENGTH) |
|
return MGMT_STATUS_INVALID_PARAMS; |
|
|
|
p = kmalloc(sizeof(*p), GFP_KERNEL); |
|
if (!p) |
|
return MGMT_STATUS_NO_RESOURCES; |
|
|
|
p->ad_type = patterns[i].ad_type; |
|
p->offset = patterns[i].offset; |
|
p->length = patterns[i].length; |
|
memcpy(p->value, patterns[i].value, p->length); |
|
|
|
INIT_LIST_HEAD(&p->list); |
|
list_add(&p->list, &m->patterns); |
|
} |
|
|
|
return MGMT_STATUS_SUCCESS; |
|
} |
|
|
|
static int add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_add_adv_patterns_monitor *cp = data; |
|
struct adv_monitor *m = NULL; |
|
u8 status = MGMT_STATUS_SUCCESS; |
|
size_t expected_size = sizeof(*cp); |
|
|
|
BT_DBG("request for %s", hdev->name); |
|
|
|
if (len <= sizeof(*cp)) { |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
goto done; |
|
} |
|
|
|
expected_size += cp->pattern_count * sizeof(struct mgmt_adv_pattern); |
|
if (len != expected_size) { |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
goto done; |
|
} |
|
|
|
m = kzalloc(sizeof(*m), GFP_KERNEL); |
|
if (!m) { |
|
status = MGMT_STATUS_NO_RESOURCES; |
|
goto done; |
|
} |
|
|
|
INIT_LIST_HEAD(&m->patterns); |
|
|
|
parse_adv_monitor_rssi(m, NULL); |
|
status = parse_adv_monitor_pattern(m, cp->pattern_count, cp->patterns); |
|
|
|
done: |
|
return __add_adv_patterns_monitor(sk, hdev, m, status, data, len, |
|
MGMT_OP_ADD_ADV_PATTERNS_MONITOR); |
|
} |
|
|
|
static int add_adv_patterns_monitor_rssi(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_add_adv_patterns_monitor_rssi *cp = data; |
|
struct adv_monitor *m = NULL; |
|
u8 status = MGMT_STATUS_SUCCESS; |
|
size_t expected_size = sizeof(*cp); |
|
|
|
BT_DBG("request for %s", hdev->name); |
|
|
|
if (len <= sizeof(*cp)) { |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
goto done; |
|
} |
|
|
|
expected_size += cp->pattern_count * sizeof(struct mgmt_adv_pattern); |
|
if (len != expected_size) { |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
goto done; |
|
} |
|
|
|
m = kzalloc(sizeof(*m), GFP_KERNEL); |
|
if (!m) { |
|
status = MGMT_STATUS_NO_RESOURCES; |
|
goto done; |
|
} |
|
|
|
INIT_LIST_HEAD(&m->patterns); |
|
|
|
parse_adv_monitor_rssi(m, &cp->rssi); |
|
status = parse_adv_monitor_pattern(m, cp->pattern_count, cp->patterns); |
|
|
|
done: |
|
return __add_adv_patterns_monitor(sk, hdev, m, status, data, len, |
|
MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI); |
|
} |
|
|
|
int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_rp_remove_adv_monitor rp; |
|
struct mgmt_cp_remove_adv_monitor *cp; |
|
struct mgmt_pending_cmd *cmd; |
|
int err = 0; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev); |
|
if (!cmd) |
|
goto done; |
|
|
|
cp = cmd->param; |
|
rp.monitor_handle = cp->monitor_handle; |
|
|
|
if (!status) |
|
hci_update_background_scan(hdev); |
|
|
|
err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status), &rp, sizeof(rp)); |
|
mgmt_pending_remove(cmd); |
|
|
|
done: |
|
hci_dev_unlock(hdev); |
|
bt_dev_dbg(hdev, "remove monitor %d complete, status %u", |
|
rp.monitor_handle, status); |
|
|
|
return err; |
|
} |
|
|
|
static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_remove_adv_monitor *cp = data; |
|
struct mgmt_rp_remove_adv_monitor rp; |
|
struct mgmt_pending_cmd *cmd; |
|
u16 handle = __le16_to_cpu(cp->monitor_handle); |
|
int err, status; |
|
bool pending; |
|
|
|
BT_DBG("request for %s", hdev->name); |
|
rp.monitor_handle = cp->monitor_handle; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_find(MGMT_OP_SET_LE, hdev) || |
|
pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev) || |
|
pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR, hdev) || |
|
pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, hdev)) { |
|
status = MGMT_STATUS_BUSY; |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADV_MONITOR, hdev, data, len); |
|
if (!cmd) { |
|
status = MGMT_STATUS_NO_RESOURCES; |
|
goto unlock; |
|
} |
|
|
|
if (handle) |
|
pending = hci_remove_single_adv_monitor(hdev, handle, &err); |
|
else |
|
pending = hci_remove_all_adv_monitor(hdev, &err); |
|
|
|
if (err) { |
|
mgmt_pending_remove(cmd); |
|
|
|
if (err == -ENOENT) |
|
status = MGMT_STATUS_INVALID_INDEX; |
|
else |
|
status = MGMT_STATUS_FAILED; |
|
|
|
goto unlock; |
|
} |
|
|
|
/* monitor can be removed without forwarding request to controller */ |
|
if (!pending) { |
|
mgmt_pending_remove(cmd); |
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_ADV_MONITOR, |
|
MGMT_STATUS_SUCCESS, |
|
&rp, sizeof(rp)); |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
return 0; |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADV_MONITOR, |
|
status); |
|
} |
|
|
|
static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode, struct sk_buff *skb) |
|
{ |
|
struct mgmt_rp_read_local_oob_data mgmt_rp; |
|
size_t rp_size = sizeof(mgmt_rp); |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
if (status || !skb) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
|
status ? mgmt_status(status) : MGMT_STATUS_FAILED); |
|
goto remove; |
|
} |
|
|
|
memset(&mgmt_rp, 0, sizeof(mgmt_rp)); |
|
|
|
if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) { |
|
struct hci_rp_read_local_oob_data *rp = (void *) skb->data; |
|
|
|
if (skb->len < sizeof(*rp)) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, |
|
MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_FAILED); |
|
goto remove; |
|
} |
|
|
|
memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash)); |
|
memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand)); |
|
|
|
rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256); |
|
} else { |
|
struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; |
|
|
|
if (skb->len < sizeof(*rp)) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, |
|
MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_FAILED); |
|
goto remove; |
|
} |
|
|
|
memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192)); |
|
memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192)); |
|
|
|
memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256)); |
|
memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256)); |
|
} |
|
|
|
mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size); |
|
|
|
remove: |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_NOT_POWERED); |
|
goto unlock; |
|
} |
|
|
|
if (!lmp_ssp_capable(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
goto unlock; |
|
} |
|
|
|
if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (bredr_sc_enabled(hdev)) |
|
hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL); |
|
else |
|
hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); |
|
|
|
err = hci_req_run_skb(&req, read_local_oob_data_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_addr_info *addr = data; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!bdaddr_type_is_valid(addr->type)) |
|
return mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_REMOTE_OOB_DATA, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
addr, sizeof(*addr)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) { |
|
struct mgmt_cp_add_remote_oob_data *cp = data; |
|
u8 status; |
|
|
|
if (cp->addr.type != BDADDR_BREDR) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_REMOTE_OOB_DATA, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
|
cp->addr.type, cp->hash, |
|
cp->rand, NULL, NULL); |
|
if (err < 0) |
|
status = MGMT_STATUS_FAILED; |
|
else |
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_REMOTE_OOB_DATA, status, |
|
&cp->addr, sizeof(cp->addr)); |
|
} else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) { |
|
struct mgmt_cp_add_remote_oob_ext_data *cp = data; |
|
u8 *rand192, *hash192, *rand256, *hash256; |
|
u8 status; |
|
|
|
if (bdaddr_type_is_le(cp->addr.type)) { |
|
/* Enforce zero-valued 192-bit parameters as |
|
* long as legacy SMP OOB isn't implemented. |
|
*/ |
|
if (memcmp(cp->rand192, ZERO_KEY, 16) || |
|
memcmp(cp->hash192, ZERO_KEY, 16)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_REMOTE_OOB_DATA, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
addr, sizeof(*addr)); |
|
goto unlock; |
|
} |
|
|
|
rand192 = NULL; |
|
hash192 = NULL; |
|
} else { |
|
/* In case one of the P-192 values is set to zero, |
|
* then just disable OOB data for P-192. |
|
*/ |
|
if (!memcmp(cp->rand192, ZERO_KEY, 16) || |
|
!memcmp(cp->hash192, ZERO_KEY, 16)) { |
|
rand192 = NULL; |
|
hash192 = NULL; |
|
} else { |
|
rand192 = cp->rand192; |
|
hash192 = cp->hash192; |
|
} |
|
} |
|
|
|
/* In case one of the P-256 values is set to zero, then just |
|
* disable OOB data for P-256. |
|
*/ |
|
if (!memcmp(cp->rand256, ZERO_KEY, 16) || |
|
!memcmp(cp->hash256, ZERO_KEY, 16)) { |
|
rand256 = NULL; |
|
hash256 = NULL; |
|
} else { |
|
rand256 = cp->rand256; |
|
hash256 = cp->hash256; |
|
} |
|
|
|
err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
|
cp->addr.type, hash192, rand192, |
|
hash256, rand256); |
|
if (err < 0) |
|
status = MGMT_STATUS_FAILED; |
|
else |
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_REMOTE_OOB_DATA, |
|
status, &cp->addr, sizeof(cp->addr)); |
|
} else { |
|
bt_dev_err(hdev, "add_remote_oob_data: invalid len of %u bytes", |
|
len); |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_remove_remote_oob_data *cp = data; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (cp->addr.type != BDADDR_BREDR) |
|
return mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
|
hci_remote_oob_data_clear(hdev); |
|
status = MGMT_STATUS_SUCCESS; |
|
goto done; |
|
} |
|
|
|
err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type); |
|
if (err < 0) |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
else |
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
done: |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
|
status, &cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev); |
|
if (!cmd) |
|
cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev); |
|
|
|
if (!cmd) |
|
cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev); |
|
|
|
if (cmd) { |
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
/* Handle suspend notifier */ |
|
if (test_and_clear_bit(SUSPEND_UNPAUSE_DISCOVERY, |
|
hdev->suspend_tasks)) { |
|
bt_dev_dbg(hdev, "Unpaused discovery"); |
|
wake_up(&hdev->suspend_wait_q); |
|
} |
|
} |
|
|
|
static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type, |
|
uint8_t *mgmt_status) |
|
{ |
|
switch (type) { |
|
case DISCOV_TYPE_LE: |
|
*mgmt_status = mgmt_le_support(hdev); |
|
if (*mgmt_status) |
|
return false; |
|
break; |
|
case DISCOV_TYPE_INTERLEAVED: |
|
*mgmt_status = mgmt_le_support(hdev); |
|
if (*mgmt_status) |
|
return false; |
|
fallthrough; |
|
case DISCOV_TYPE_BREDR: |
|
*mgmt_status = mgmt_bredr_support(hdev); |
|
if (*mgmt_status) |
|
return false; |
|
break; |
|
default: |
|
*mgmt_status = MGMT_STATUS_INVALID_PARAMS; |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev, |
|
u16 op, void *data, u16 len) |
|
{ |
|
struct mgmt_cp_start_discovery *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, op, |
|
MGMT_STATUS_NOT_POWERED, |
|
&cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
if (hdev->discovery.state != DISCOVERY_STOPPED || |
|
hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY, |
|
&cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
if (!discovery_type_is_valid(hdev, cp->type, &status)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, op, status, |
|
&cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
/* Can't start discovery when it is paused */ |
|
if (hdev->discovery_paused) { |
|
err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY, |
|
&cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
/* Clear the discovery filter first to free any previously |
|
* allocated memory for the UUID list. |
|
*/ |
|
hci_discovery_filter_clear(hdev); |
|
|
|
hdev->discovery.type = cp->type; |
|
hdev->discovery.report_invalid_rssi = false; |
|
if (op == MGMT_OP_START_LIMITED_DISCOVERY) |
|
hdev->discovery.limited = true; |
|
else |
|
hdev->discovery.limited = false; |
|
|
|
cmd = mgmt_pending_add(sk, op, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
cmd->cmd_complete = generic_cmd_complete; |
|
|
|
hci_discovery_set_state(hdev, DISCOVERY_STARTING); |
|
queue_work(hdev->req_workqueue, &hdev->discov_update); |
|
err = 0; |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int start_discovery(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY, |
|
data, len); |
|
} |
|
|
|
static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
return start_discovery_internal(sk, hdev, |
|
MGMT_OP_START_LIMITED_DISCOVERY, |
|
data, len); |
|
} |
|
|
|
static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd, |
|
u8 status) |
|
{ |
|
return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
|
cmd->param, 1); |
|
} |
|
|
|
static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_start_service_discovery *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16); |
|
u16 uuid_count, expected_len; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_NOT_POWERED, |
|
&cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
if (hdev->discovery.state != DISCOVERY_STOPPED || |
|
hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_BUSY, &cp->type, |
|
sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
if (hdev->discovery_paused) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_BUSY, &cp->type, |
|
sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
uuid_count = __le16_to_cpu(cp->uuid_count); |
|
if (uuid_count > max_uuid_count) { |
|
bt_dev_err(hdev, "service_discovery: too big uuid_count value %u", |
|
uuid_count); |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_INVALID_PARAMS, &cp->type, |
|
sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
expected_len = sizeof(*cp) + uuid_count * 16; |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "service_discovery: expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_INVALID_PARAMS, &cp->type, |
|
sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
if (!discovery_type_is_valid(hdev, cp->type, &status)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
status, &cp->type, sizeof(cp->type)); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY, |
|
hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
cmd->cmd_complete = service_discovery_cmd_complete; |
|
|
|
/* Clear the discovery filter first to free any previously |
|
* allocated memory for the UUID list. |
|
*/ |
|
hci_discovery_filter_clear(hdev); |
|
|
|
hdev->discovery.result_filtering = true; |
|
hdev->discovery.type = cp->type; |
|
hdev->discovery.rssi = cp->rssi; |
|
hdev->discovery.uuid_count = uuid_count; |
|
|
|
if (uuid_count > 0) { |
|
hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16, |
|
GFP_KERNEL); |
|
if (!hdev->discovery.uuids) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_START_SERVICE_DISCOVERY, |
|
MGMT_STATUS_FAILED, |
|
&cp->type, sizeof(cp->type)); |
|
mgmt_pending_remove(cmd); |
|
goto failed; |
|
} |
|
} |
|
|
|
hci_discovery_set_state(hdev, DISCOVERY_STARTING); |
|
queue_work(hdev->req_workqueue, &hdev->discov_update); |
|
err = 0; |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
|
if (cmd) { |
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
/* Handle suspend notifier */ |
|
if (test_and_clear_bit(SUSPEND_PAUSE_DISCOVERY, hdev->suspend_tasks)) { |
|
bt_dev_dbg(hdev, "Paused discovery"); |
|
wake_up(&hdev->suspend_wait_q); |
|
} |
|
} |
|
|
|
static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_stop_discovery *mgmt_cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hci_discovery_active(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
|
MGMT_STATUS_REJECTED, &mgmt_cp->type, |
|
sizeof(mgmt_cp->type)); |
|
goto unlock; |
|
} |
|
|
|
if (hdev->discovery.type != mgmt_cp->type) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&mgmt_cp->type, sizeof(mgmt_cp->type)); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
cmd->cmd_complete = generic_cmd_complete; |
|
|
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPING); |
|
queue_work(hdev->req_workqueue, &hdev->discov_update); |
|
err = 0; |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_confirm_name *cp = data; |
|
struct inquiry_entry *e; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hci_discovery_active(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
|
MGMT_STATUS_FAILED, &cp->addr, |
|
sizeof(cp->addr)); |
|
goto failed; |
|
} |
|
|
|
e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); |
|
if (!e) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
|
MGMT_STATUS_INVALID_PARAMS, &cp->addr, |
|
sizeof(cp->addr)); |
|
goto failed; |
|
} |
|
|
|
if (cp->name_known) { |
|
e->name_state = NAME_KNOWN; |
|
list_del(&e->list); |
|
} else { |
|
e->name_state = NAME_NEEDED; |
|
hci_inquiry_cache_update_resolve(hdev, e); |
|
} |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_block_device *cp = data; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
err = hci_bdaddr_list_add(&hdev->reject_list, &cp->addr.bdaddr, |
|
cp->addr.type); |
|
if (err < 0) { |
|
status = MGMT_STATUS_FAILED; |
|
goto done; |
|
} |
|
|
|
mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr), |
|
sk); |
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
done: |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_unblock_device *cp = data; |
|
u8 status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
err = hci_bdaddr_list_del(&hdev->reject_list, &cp->addr.bdaddr, |
|
cp->addr.type); |
|
if (err < 0) { |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
goto done; |
|
} |
|
|
|
mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr), |
|
sk); |
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
done: |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_device_id *cp = data; |
|
struct hci_request req; |
|
int err; |
|
__u16 source; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
source = __le16_to_cpu(cp->source); |
|
|
|
if (source > 0x0002) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hdev->devid_source = source; |
|
hdev->devid_vendor = __le16_to_cpu(cp->vendor); |
|
hdev->devid_product = __le16_to_cpu(cp->product); |
|
hdev->devid_version = __le16_to_cpu(cp->version); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, |
|
NULL, 0); |
|
|
|
hci_req_init(&req, hdev); |
|
__hci_req_update_eir(&req); |
|
hci_req_run(&req, NULL); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static void enable_advertising_instance(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
bt_dev_dbg(hdev, "status %u", status); |
|
} |
|
|
|
static void set_advertising_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
struct hci_request req; |
|
u8 instance; |
|
struct adv_info *adv_instance; |
|
int err; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, |
|
cmd_status_rsp, &mgmt_err); |
|
goto unlock; |
|
} |
|
|
|
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
|
hci_dev_set_flag(hdev, HCI_ADVERTISING); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, |
|
&match); |
|
|
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
|
|
/* Handle suspend notifier */ |
|
if (test_and_clear_bit(SUSPEND_PAUSE_ADVERTISING, |
|
hdev->suspend_tasks)) { |
|
bt_dev_dbg(hdev, "Paused advertising"); |
|
wake_up(&hdev->suspend_wait_q); |
|
} else if (test_and_clear_bit(SUSPEND_UNPAUSE_ADVERTISING, |
|
hdev->suspend_tasks)) { |
|
bt_dev_dbg(hdev, "Unpaused advertising"); |
|
wake_up(&hdev->suspend_wait_q); |
|
} |
|
|
|
/* If "Set Advertising" was just disabled and instance advertising was |
|
* set up earlier, then re-enable multi-instance advertising. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || |
|
list_empty(&hdev->adv_instances)) |
|
goto unlock; |
|
|
|
instance = hdev->cur_adv_instance; |
|
if (!instance) { |
|
adv_instance = list_first_entry_or_null(&hdev->adv_instances, |
|
struct adv_info, list); |
|
if (!adv_instance) |
|
goto unlock; |
|
|
|
instance = adv_instance->instance; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
err = __hci_req_schedule_adv_instance(&req, instance, true); |
|
|
|
if (!err) |
|
err = hci_req_run(&req, enable_advertising_instance); |
|
|
|
if (err) |
|
bt_dev_err(hdev, "failed to re-configure advertising"); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
u8 val, status; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
status = mgmt_le_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
status); |
|
|
|
/* Enabling the experimental LL Privay support disables support for |
|
* advertising. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (hdev->advertising_paused) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_BUSY); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
val = !!cp->val; |
|
|
|
/* The following conditions are ones which mean that we should |
|
* not do any HCI communication but directly send a mgmt |
|
* response to user space (after toggling the flag if |
|
* necessary). |
|
*/ |
|
if (!hdev_is_powered(hdev) || |
|
(val == hci_dev_test_flag(hdev, HCI_ADVERTISING) && |
|
(cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) || |
|
hci_conn_num(hdev, LE_LINK) > 0 || |
|
(hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
|
hdev->le_scan_type == LE_SCAN_ACTIVE)) { |
|
bool changed; |
|
|
|
if (cp->val) { |
|
hdev->cur_adv_instance = 0x00; |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING); |
|
if (cp->val == 0x02) |
|
hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
|
} else { |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING); |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto unlock; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) || |
|
pending_find(MGMT_OP_SET_LE, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (cp->val == 0x02) |
|
hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
|
|
|
cancel_adv_timeout(hdev); |
|
|
|
if (val) { |
|
/* Switch to instance "0" for the Set Advertising setting. |
|
* We cannot use update_[adv|scan_rsp]_data() here as the |
|
* HCI_ADVERTISING flag is not yet set. |
|
*/ |
|
hdev->cur_adv_instance = 0x00; |
|
|
|
if (ext_adv_capable(hdev)) { |
|
__hci_req_start_ext_adv(&req, 0x00); |
|
} else { |
|
__hci_req_update_adv_data(&req, 0x00); |
|
__hci_req_update_scan_rsp_data(&req, 0x00); |
|
__hci_req_enable_advertising(&req); |
|
} |
|
} else { |
|
__hci_req_disable_advertising(&req); |
|
} |
|
|
|
err = hci_req_run(&req, set_advertising_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_static_address(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_set_static_address *cp = data; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (hdev_is_powered(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (bacmp(&cp->bdaddr, BDADDR_ANY)) { |
|
if (!bacmp(&cp->bdaddr, BDADDR_NONE)) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_STATIC_ADDRESS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
/* Two most significant bits shall be set */ |
|
if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_SET_STATIC_ADDRESS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
bacpy(&hdev->static_addr, &cp->bdaddr); |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
err = new_settings(hdev, sk); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_scan_params(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_set_scan_params *cp = data; |
|
__u16 interval, window; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
interval = __le16_to_cpu(cp->interval); |
|
|
|
if (interval < 0x0004 || interval > 0x4000) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
window = __le16_to_cpu(cp->window); |
|
|
|
if (window < 0x0004 || window > 0x4000) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (window > interval) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hdev->le_scan_interval = interval; |
|
hdev->le_scan_window = window; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, |
|
NULL, 0); |
|
|
|
/* If background scan is running, restart it so new parameters are |
|
* loaded. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
|
hdev->discovery.state == DISCOVERY_STOPPED) { |
|
struct hci_request req; |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
hci_req_add_le_scan_disable(&req, false); |
|
hci_req_add_le_passive_scan(&req); |
|
|
|
hci_req_run(&req, NULL); |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static void fast_connectable_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
|
mgmt_status(status)); |
|
} else { |
|
struct mgmt_mode *cp = cmd->param; |
|
|
|
if (cp->val) |
|
hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); |
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
|
new_settings(hdev, cmd->sk); |
|
} |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
|
hdev->hci_ver < BLUETOOTH_VER_1_2) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
|
hdev); |
|
goto unlock; |
|
} |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE); |
|
err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
|
hdev); |
|
new_settings(hdev, sk); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, |
|
data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
__hci_req_write_fast_connectable(&req, cp->val); |
|
|
|
err = hci_req_run(&req, fast_connectable_complete); |
|
if (err < 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
|
MGMT_STATUS_FAILED); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_BREDR, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
|
|
/* We need to restore the flag if related HCI commands |
|
* failed. |
|
*/ |
|
hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED); |
|
|
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
|
} else { |
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); |
|
new_settings(hdev, cmd->sk); |
|
} |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); |
|
goto unlock; |
|
} |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
if (!cp->val) { |
|
hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
|
hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
|
hci_dev_clear_flag(hdev, HCI_LINK_SECURITY); |
|
hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); |
|
hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
|
} |
|
|
|
hci_dev_change_flag(hdev, HCI_BREDR_ENABLED); |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
err = new_settings(hdev, sk); |
|
goto unlock; |
|
} |
|
|
|
/* Reject disabling when powered on */ |
|
if (!cp->val) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} else { |
|
/* When configuring a dual-mode controller to operate |
|
* with LE only and using a static address, then switching |
|
* BR/EDR back on is not allowed. |
|
* |
|
* Dual-mode controllers shall operate with the public |
|
* address as its identity address for BR/EDR and LE. So |
|
* reject the attempt to create an invalid configuration. |
|
* |
|
* The same restrictions applies when secure connections |
|
* has been enabled. For BR/EDR this is a controller feature |
|
* while for LE it is a host stack feature. This means that |
|
* switching BR/EDR back on when secure connections has been |
|
* enabled is not a supported transaction. |
|
*/ |
|
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
|
(bacmp(&hdev->static_addr, BDADDR_ANY) || |
|
hci_dev_test_flag(hdev, HCI_SC_ENABLED))) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_BREDR, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
/* We need to flip the bit already here so that |
|
* hci_req_update_adv_data generates the correct flags. |
|
*/ |
|
hci_dev_set_flag(hdev, HCI_BREDR_ENABLED); |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
__hci_req_write_fast_connectable(&req, false); |
|
__hci_req_update_scan(&req); |
|
|
|
/* Since only the advertising data flags will change, there |
|
* is no need to update the scan response data. |
|
*/ |
|
__hci_req_update_adv_data(&req, hdev->cur_adv_instance); |
|
|
|
err = hci_req_run(&req, set_bredr_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct mgmt_mode *cp; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
if (status) { |
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status)); |
|
goto remove; |
|
} |
|
|
|
cp = cmd->param; |
|
|
|
switch (cp->val) { |
|
case 0x00: |
|
hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
|
hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
|
break; |
|
case 0x01: |
|
hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
|
hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
|
break; |
|
case 0x02: |
|
hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
|
hci_dev_set_flag(hdev, HCI_SC_ONLY); |
|
break; |
|
} |
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev); |
|
new_settings(hdev, cmd->sk); |
|
|
|
remove: |
|
mgmt_pending_remove(cmd); |
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int set_secure_conn(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
u8 val; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_sc_capable(hdev) && |
|
!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
|
lmp_sc_capable(hdev) && |
|
!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) || |
|
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
|
bool changed; |
|
|
|
if (cp->val) { |
|
changed = !hci_dev_test_and_set_flag(hdev, |
|
HCI_SC_ENABLED); |
|
if (cp->val == 0x02) |
|
hci_dev_set_flag(hdev, HCI_SC_ONLY); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
|
} else { |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_SC_ENABLED); |
|
hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); |
|
if (err < 0) |
|
goto failed; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
goto failed; |
|
} |
|
|
|
if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
|
MGMT_STATUS_BUSY); |
|
goto failed; |
|
} |
|
|
|
val = !!cp->val; |
|
|
|
if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
|
(cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
|
err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); |
|
goto failed; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto failed; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val); |
|
err = hci_req_run(&req, sc_enable_complete); |
|
if (err < 0) { |
|
mgmt_pending_remove(cmd); |
|
goto failed; |
|
} |
|
|
|
failed: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_debug_keys(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_mode *cp = data; |
|
bool changed, use_changed; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->val) |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_KEEP_DEBUG_KEYS); |
|
|
|
if (cp->val == 0x02) |
|
use_changed = !hci_dev_test_and_set_flag(hdev, |
|
HCI_USE_DEBUG_KEYS); |
|
else |
|
use_changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_USE_DEBUG_KEYS); |
|
|
|
if (hdev_is_powered(hdev) && use_changed && |
|
hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
|
u8 mode = (cp->val == 0x02) ? 0x01 : 0x00; |
|
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, |
|
sizeof(mode), &mode); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_set_privacy *cp = cp_data; |
|
bool changed; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->privacy != 0x00 && cp->privacy != 0x01 && cp->privacy != 0x02) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (hdev_is_powered(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
|
MGMT_STATUS_REJECTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* If user space supports this command it is also expected to |
|
* handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag. |
|
*/ |
|
hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
|
|
|
if (cp->privacy) { |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY); |
|
memcpy(hdev->irk, cp->irk, sizeof(hdev->irk)); |
|
hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
|
hci_adv_instances_set_rpa_expired(hdev, true); |
|
if (cp->privacy == 0x02) |
|
hci_dev_set_flag(hdev, HCI_LIMITED_PRIVACY); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY); |
|
} else { |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY); |
|
memset(hdev->irk, 0, sizeof(hdev->irk)); |
|
hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED); |
|
hci_adv_instances_set_rpa_expired(hdev, false); |
|
hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY); |
|
} |
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (changed) |
|
err = new_settings(hdev, sk); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static bool irk_is_valid(struct mgmt_irk_info *irk) |
|
{ |
|
switch (irk->addr.type) { |
|
case BDADDR_LE_PUBLIC: |
|
return true; |
|
|
|
case BDADDR_LE_RANDOM: |
|
/* Two most significant bits shall be set */ |
|
if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0) |
|
return false; |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_load_irks *cp = cp_data; |
|
const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) / |
|
sizeof(struct mgmt_irk_info)); |
|
u16 irk_count, expected_len; |
|
int i, err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
irk_count = __le16_to_cpu(cp->irk_count); |
|
if (irk_count > max_irk_count) { |
|
bt_dev_err(hdev, "load_irks: too big irk_count value %u", |
|
irk_count); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
expected_len = struct_size(cp, irks, irk_count); |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "load_irks: expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
bt_dev_dbg(hdev, "irk_count %u", irk_count); |
|
|
|
for (i = 0; i < irk_count; i++) { |
|
struct mgmt_irk_info *key = &cp->irks[i]; |
|
|
|
if (!irk_is_valid(key)) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_LOAD_IRKS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_smp_irks_clear(hdev); |
|
|
|
for (i = 0; i < irk_count; i++) { |
|
struct mgmt_irk_info *irk = &cp->irks[i]; |
|
|
|
if (hci_is_blocked_key(hdev, |
|
HCI_BLOCKED_KEY_TYPE_IRK, |
|
irk->val)) { |
|
bt_dev_warn(hdev, "Skipping blocked IRK for %pMR", |
|
&irk->addr.bdaddr); |
|
continue; |
|
} |
|
|
|
hci_add_irk(hdev, &irk->addr.bdaddr, |
|
le_addr_type(irk->addr.type), irk->val, |
|
BDADDR_ANY); |
|
} |
|
|
|
hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static bool ltk_is_valid(struct mgmt_ltk_info *key) |
|
{ |
|
if (key->initiator != 0x00 && key->initiator != 0x01) |
|
return false; |
|
|
|
switch (key->addr.type) { |
|
case BDADDR_LE_PUBLIC: |
|
return true; |
|
|
|
case BDADDR_LE_RANDOM: |
|
/* Two most significant bits shall be set */ |
|
if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0) |
|
return false; |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, |
|
void *cp_data, u16 len) |
|
{ |
|
struct mgmt_cp_load_long_term_keys *cp = cp_data; |
|
const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
|
sizeof(struct mgmt_ltk_info)); |
|
u16 key_count, expected_len; |
|
int i, err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
key_count = __le16_to_cpu(cp->key_count); |
|
if (key_count > max_key_count) { |
|
bt_dev_err(hdev, "load_ltks: too big key_count value %u", |
|
key_count); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
expected_len = struct_size(cp, keys, key_count); |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "load_keys: expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
bt_dev_dbg(hdev, "key_count %u", key_count); |
|
|
|
for (i = 0; i < key_count; i++) { |
|
struct mgmt_ltk_info *key = &cp->keys[i]; |
|
|
|
if (!ltk_is_valid(key)) |
|
return mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_LOAD_LONG_TERM_KEYS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_smp_ltks_clear(hdev); |
|
|
|
for (i = 0; i < key_count; i++) { |
|
struct mgmt_ltk_info *key = &cp->keys[i]; |
|
u8 type, authenticated; |
|
|
|
if (hci_is_blocked_key(hdev, |
|
HCI_BLOCKED_KEY_TYPE_LTK, |
|
key->val)) { |
|
bt_dev_warn(hdev, "Skipping blocked LTK for %pMR", |
|
&key->addr.bdaddr); |
|
continue; |
|
} |
|
|
|
switch (key->type) { |
|
case MGMT_LTK_UNAUTHENTICATED: |
|
authenticated = 0x00; |
|
type = key->initiator ? SMP_LTK : SMP_LTK_RESPONDER; |
|
break; |
|
case MGMT_LTK_AUTHENTICATED: |
|
authenticated = 0x01; |
|
type = key->initiator ? SMP_LTK : SMP_LTK_RESPONDER; |
|
break; |
|
case MGMT_LTK_P256_UNAUTH: |
|
authenticated = 0x00; |
|
type = SMP_LTK_P256; |
|
break; |
|
case MGMT_LTK_P256_AUTH: |
|
authenticated = 0x01; |
|
type = SMP_LTK_P256; |
|
break; |
|
case MGMT_LTK_P256_DEBUG: |
|
authenticated = 0x00; |
|
type = SMP_LTK_P256_DEBUG; |
|
fallthrough; |
|
default: |
|
continue; |
|
} |
|
|
|
hci_add_ltk(hdev, &key->addr.bdaddr, |
|
le_addr_type(key->addr.type), type, authenticated, |
|
key->val, key->enc_size, key->ediv, key->rand); |
|
} |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, |
|
NULL, 0); |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
|
{ |
|
struct hci_conn *conn = cmd->user_data; |
|
struct mgmt_rp_get_conn_info rp; |
|
int err; |
|
|
|
memcpy(&rp.addr, cmd->param, sizeof(rp.addr)); |
|
|
|
if (status == MGMT_STATUS_SUCCESS) { |
|
rp.rssi = conn->rssi; |
|
rp.tx_power = conn->tx_power; |
|
rp.max_tx_power = conn->max_tx_power; |
|
} else { |
|
rp.rssi = HCI_RSSI_INVALID; |
|
rp.tx_power = HCI_TX_POWER_INVALID; |
|
rp.max_tx_power = HCI_TX_POWER_INVALID; |
|
} |
|
|
|
err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, |
|
status, &rp, sizeof(rp)); |
|
|
|
hci_conn_drop(conn); |
|
hci_conn_put(conn); |
|
|
|
return err; |
|
} |
|
|
|
static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status, |
|
u16 opcode) |
|
{ |
|
struct hci_cp_read_rssi *cp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
u16 handle; |
|
u8 status; |
|
|
|
bt_dev_dbg(hdev, "status 0x%02x", hci_status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* Commands sent in request are either Read RSSI or Read Transmit Power |
|
* Level so we check which one was last sent to retrieve connection |
|
* handle. Both commands have handle as first parameter so it's safe to |
|
* cast data on the same command struct. |
|
* |
|
* First command sent is always Read RSSI and we fail only if it fails. |
|
* In other case we simply override error to indicate success as we |
|
* already remembered if TX power value is actually valid. |
|
*/ |
|
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI); |
|
if (!cp) { |
|
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); |
|
status = MGMT_STATUS_SUCCESS; |
|
} else { |
|
status = mgmt_status(hci_status); |
|
} |
|
|
|
if (!cp) { |
|
bt_dev_err(hdev, "invalid sent_cmd in conn_info response"); |
|
goto unlock; |
|
} |
|
|
|
handle = __le16_to_cpu(cp->handle); |
|
conn = hci_conn_hash_lookup_handle(hdev, handle); |
|
if (!conn) { |
|
bt_dev_err(hdev, "unknown handle (%u) in conn_info response", |
|
handle); |
|
goto unlock; |
|
} |
|
|
|
cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
cmd->cmd_complete(cmd, status); |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_get_conn_info *cp = data; |
|
struct mgmt_rp_get_conn_info rp; |
|
struct hci_conn *conn; |
|
unsigned long conn_info_age; |
|
int err = 0; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
|
MGMT_STATUS_NOT_POWERED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (cp->addr.type == BDADDR_BREDR) |
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
|
&cp->addr.bdaddr); |
|
else |
|
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); |
|
|
|
if (!conn || conn->state != BT_CONNECTED) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
|
MGMT_STATUS_NOT_CONNECTED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
|
MGMT_STATUS_BUSY, &rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
/* To avoid client trying to guess when to poll again for information we |
|
* calculate conn info age as random value between min/max set in hdev. |
|
*/ |
|
conn_info_age = hdev->conn_info_min_age + |
|
prandom_u32_max(hdev->conn_info_max_age - |
|
hdev->conn_info_min_age); |
|
|
|
/* Query controller to refresh cached values if they are too old or were |
|
* never read. |
|
*/ |
|
if (time_after(jiffies, conn->conn_info_timestamp + |
|
msecs_to_jiffies(conn_info_age)) || |
|
!conn->conn_info_timestamp) { |
|
struct hci_request req; |
|
struct hci_cp_read_tx_power req_txp_cp; |
|
struct hci_cp_read_rssi req_rssi_cp; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
hci_req_init(&req, hdev); |
|
req_rssi_cp.handle = cpu_to_le16(conn->handle); |
|
hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp), |
|
&req_rssi_cp); |
|
|
|
/* For LE links TX power does not change thus we don't need to |
|
* query for it once value is known. |
|
*/ |
|
if (!bdaddr_type_is_le(cp->addr.type) || |
|
conn->tx_power == HCI_TX_POWER_INVALID) { |
|
req_txp_cp.handle = cpu_to_le16(conn->handle); |
|
req_txp_cp.type = 0x00; |
|
hci_req_add(&req, HCI_OP_READ_TX_POWER, |
|
sizeof(req_txp_cp), &req_txp_cp); |
|
} |
|
|
|
/* Max TX power needs to be read only once per connection */ |
|
if (conn->max_tx_power == HCI_TX_POWER_INVALID) { |
|
req_txp_cp.handle = cpu_to_le16(conn->handle); |
|
req_txp_cp.type = 0x01; |
|
hci_req_add(&req, HCI_OP_READ_TX_POWER, |
|
sizeof(req_txp_cp), &req_txp_cp); |
|
} |
|
|
|
err = hci_req_run(&req, conn_info_refresh_complete); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev, |
|
data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_conn_hold(conn); |
|
cmd->user_data = hci_conn_get(conn); |
|
cmd->cmd_complete = conn_info_cmd_complete; |
|
|
|
conn->conn_info_timestamp = jiffies; |
|
} else { |
|
/* Cache is valid, just reply with values cached in hci_conn */ |
|
rp.rssi = conn->rssi; |
|
rp.tx_power = conn->tx_power; |
|
rp.max_tx_power = conn->max_tx_power; |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
|
MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
|
{ |
|
struct hci_conn *conn = cmd->user_data; |
|
struct mgmt_rp_get_clock_info rp; |
|
struct hci_dev *hdev; |
|
int err; |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
memcpy(&rp.addr, cmd->param, sizeof(rp.addr)); |
|
|
|
if (status) |
|
goto complete; |
|
|
|
hdev = hci_dev_get(cmd->index); |
|
if (hdev) { |
|
rp.local_clock = cpu_to_le32(hdev->clock); |
|
hci_dev_put(hdev); |
|
} |
|
|
|
if (conn) { |
|
rp.piconet_clock = cpu_to_le32(conn->clock); |
|
rp.accuracy = cpu_to_le16(conn->clock_accuracy); |
|
} |
|
|
|
complete: |
|
err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp, |
|
sizeof(rp)); |
|
|
|
if (conn) { |
|
hci_conn_drop(conn); |
|
hci_conn_put(conn); |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
|
{ |
|
struct hci_cp_read_clock *hci_cp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_conn *conn; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); |
|
if (!hci_cp) |
|
goto unlock; |
|
|
|
if (hci_cp->which) { |
|
u16 handle = __le16_to_cpu(hci_cp->handle); |
|
conn = hci_conn_hash_lookup_handle(hdev, handle); |
|
} else { |
|
conn = NULL; |
|
} |
|
|
|
cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_get_clock_info *cp = data; |
|
struct mgmt_rp_get_clock_info rp; |
|
struct hci_cp_read_clock hci_cp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
struct hci_conn *conn; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
memset(&rp, 0, sizeof(rp)); |
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
|
rp.addr.type = cp->addr.type; |
|
|
|
if (cp->addr.type != BDADDR_BREDR) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&rp, sizeof(rp)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
|
MGMT_STATUS_NOT_POWERED, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
|
&cp->addr.bdaddr); |
|
if (!conn || conn->state != BT_CONNECTED) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_GET_CLOCK_INFO, |
|
MGMT_STATUS_NOT_CONNECTED, |
|
&rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
} else { |
|
conn = NULL; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
cmd->cmd_complete = clock_info_cmd_complete; |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
memset(&hci_cp, 0, sizeof(hci_cp)); |
|
hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); |
|
|
|
if (conn) { |
|
hci_conn_hold(conn); |
|
cmd->user_data = hci_conn_get(conn); |
|
|
|
hci_cp.handle = cpu_to_le16(conn->handle); |
|
hci_cp.which = 0x01; /* Piconet clock */ |
|
hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); |
|
} |
|
|
|
err = hci_req_run(&req, get_clock_info_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type) |
|
{ |
|
struct hci_conn *conn; |
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr); |
|
if (!conn) |
|
return false; |
|
|
|
if (conn->dst_type != type) |
|
return false; |
|
|
|
if (conn->state != BT_CONNECTED) |
|
return false; |
|
|
|
return true; |
|
} |
|
|
|
/* This function requires the caller holds hdev->lock */ |
|
static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, |
|
u8 addr_type, u8 auto_connect) |
|
{ |
|
struct hci_conn_params *params; |
|
|
|
params = hci_conn_params_add(hdev, addr, addr_type); |
|
if (!params) |
|
return -EIO; |
|
|
|
if (params->auto_connect == auto_connect) |
|
return 0; |
|
|
|
list_del_init(¶ms->action); |
|
|
|
switch (auto_connect) { |
|
case HCI_AUTO_CONN_DISABLED: |
|
case HCI_AUTO_CONN_LINK_LOSS: |
|
/* If auto connect is being disabled when we're trying to |
|
* connect to device, keep connecting. |
|
*/ |
|
if (params->explicit_connect) |
|
list_add(¶ms->action, &hdev->pend_le_conns); |
|
break; |
|
case HCI_AUTO_CONN_REPORT: |
|
if (params->explicit_connect) |
|
list_add(¶ms->action, &hdev->pend_le_conns); |
|
else |
|
list_add(¶ms->action, &hdev->pend_le_reports); |
|
break; |
|
case HCI_AUTO_CONN_DIRECT: |
|
case HCI_AUTO_CONN_ALWAYS: |
|
if (!is_connected(hdev, addr, addr_type)) |
|
list_add(¶ms->action, &hdev->pend_le_conns); |
|
break; |
|
} |
|
|
|
params->auto_connect = auto_connect; |
|
|
|
bt_dev_dbg(hdev, "addr %pMR (type %u) auto_connect %u", |
|
addr, addr_type, auto_connect); |
|
|
|
return 0; |
|
} |
|
|
|
static void device_added(struct sock *sk, struct hci_dev *hdev, |
|
bdaddr_t *bdaddr, u8 type, u8 action) |
|
{ |
|
struct mgmt_ev_device_added ev; |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = type; |
|
ev.action = action; |
|
|
|
mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
static int add_device(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_add_device *cp = data; |
|
u8 auto_conn, addr_type; |
|
struct hci_conn_params *params; |
|
int err; |
|
u32 current_flags = 0; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type) || |
|
!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02) |
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
/* Only incoming connections action is supported for now */ |
|
if (cp->action != 0x01) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
err = hci_bdaddr_list_add_with_flags(&hdev->accept_list, |
|
&cp->addr.bdaddr, |
|
cp->addr.type, 0); |
|
if (err) |
|
goto unlock; |
|
|
|
hci_req_update_scan(hdev); |
|
|
|
goto added; |
|
} |
|
|
|
addr_type = le_addr_type(cp->addr.type); |
|
|
|
if (cp->action == 0x02) |
|
auto_conn = HCI_AUTO_CONN_ALWAYS; |
|
else if (cp->action == 0x01) |
|
auto_conn = HCI_AUTO_CONN_DIRECT; |
|
else |
|
auto_conn = HCI_AUTO_CONN_REPORT; |
|
|
|
/* Kernel internally uses conn_params with resolvable private |
|
* address, but Add Device allows only identity addresses. |
|
* Make sure it is enforced before calling |
|
* hci_conn_params_lookup. |
|
*/ |
|
if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
/* If the connection parameters don't exist for this device, |
|
* they will be created and configured with defaults. |
|
*/ |
|
if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type, |
|
auto_conn) < 0) { |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_FAILED, &cp->addr, |
|
sizeof(cp->addr)); |
|
goto unlock; |
|
} else { |
|
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
|
addr_type); |
|
if (params) |
|
current_flags = params->current_flags; |
|
} |
|
|
|
hci_update_background_scan(hdev); |
|
|
|
added: |
|
device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action); |
|
device_flags_changed(NULL, hdev, &cp->addr.bdaddr, cp->addr.type, |
|
SUPPORTED_DEVICE_FLAGS(), current_flags); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
|
MGMT_STATUS_SUCCESS, &cp->addr, |
|
sizeof(cp->addr)); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static void device_removed(struct sock *sk, struct hci_dev *hdev, |
|
bdaddr_t *bdaddr, u8 type) |
|
{ |
|
struct mgmt_ev_device_removed ev; |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = type; |
|
|
|
mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk); |
|
} |
|
|
|
static int remove_device(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_remove_device *cp = data; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
|
struct hci_conn_params *params; |
|
u8 addr_type; |
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
if (cp->addr.type == BDADDR_BREDR) { |
|
err = hci_bdaddr_list_del(&hdev->accept_list, |
|
&cp->addr.bdaddr, |
|
cp->addr.type); |
|
if (err) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, |
|
sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
hci_req_update_scan(hdev); |
|
|
|
device_removed(sk, hdev, &cp->addr.bdaddr, |
|
cp->addr.type); |
|
goto complete; |
|
} |
|
|
|
addr_type = le_addr_type(cp->addr.type); |
|
|
|
/* Kernel internally uses conn_params with resolvable private |
|
* address, but Remove Device allows only identity addresses. |
|
* Make sure it is enforced before calling |
|
* hci_conn_params_lookup. |
|
*/ |
|
if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
|
addr_type); |
|
if (!params) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
if (params->auto_connect == HCI_AUTO_CONN_DISABLED || |
|
params->auto_connect == HCI_AUTO_CONN_EXPLICIT) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
list_del(¶ms->action); |
|
list_del(¶ms->list); |
|
kfree(params); |
|
hci_update_background_scan(hdev); |
|
|
|
device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type); |
|
} else { |
|
struct hci_conn_params *p, *tmp; |
|
struct bdaddr_list *b, *btmp; |
|
|
|
if (cp->addr.type) { |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_INVALID_PARAMS, |
|
&cp->addr, sizeof(cp->addr)); |
|
goto unlock; |
|
} |
|
|
|
list_for_each_entry_safe(b, btmp, &hdev->accept_list, list) { |
|
device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type); |
|
list_del(&b->list); |
|
kfree(b); |
|
} |
|
|
|
hci_req_update_scan(hdev); |
|
|
|
list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) { |
|
if (p->auto_connect == HCI_AUTO_CONN_DISABLED) |
|
continue; |
|
device_removed(sk, hdev, &p->addr, p->addr_type); |
|
if (p->explicit_connect) { |
|
p->auto_connect = HCI_AUTO_CONN_EXPLICIT; |
|
continue; |
|
} |
|
list_del(&p->action); |
|
list_del(&p->list); |
|
kfree(p); |
|
} |
|
|
|
bt_dev_dbg(hdev, "All LE connection parameters were removed"); |
|
|
|
hci_update_background_scan(hdev); |
|
} |
|
|
|
complete: |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, |
|
MGMT_STATUS_SUCCESS, &cp->addr, |
|
sizeof(cp->addr)); |
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 len) |
|
{ |
|
struct mgmt_cp_load_conn_param *cp = data; |
|
const u16 max_param_count = ((U16_MAX - sizeof(*cp)) / |
|
sizeof(struct mgmt_conn_param)); |
|
u16 param_count, expected_len; |
|
int i; |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
param_count = __le16_to_cpu(cp->param_count); |
|
if (param_count > max_param_count) { |
|
bt_dev_err(hdev, "load_conn_param: too big param_count value %u", |
|
param_count); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
expected_len = struct_size(cp, params, param_count); |
|
if (expected_len != len) { |
|
bt_dev_err(hdev, "load_conn_param: expected %u bytes, got %u bytes", |
|
expected_len, len); |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
} |
|
|
|
bt_dev_dbg(hdev, "param_count %u", param_count); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
hci_conn_params_clear_disabled(hdev); |
|
|
|
for (i = 0; i < param_count; i++) { |
|
struct mgmt_conn_param *param = &cp->params[i]; |
|
struct hci_conn_params *hci_param; |
|
u16 min, max, latency, timeout; |
|
u8 addr_type; |
|
|
|
bt_dev_dbg(hdev, "Adding %pMR (type %u)", ¶m->addr.bdaddr, |
|
param->addr.type); |
|
|
|
if (param->addr.type == BDADDR_LE_PUBLIC) { |
|
addr_type = ADDR_LE_DEV_PUBLIC; |
|
} else if (param->addr.type == BDADDR_LE_RANDOM) { |
|
addr_type = ADDR_LE_DEV_RANDOM; |
|
} else { |
|
bt_dev_err(hdev, "ignoring invalid connection parameters"); |
|
continue; |
|
} |
|
|
|
min = le16_to_cpu(param->min_interval); |
|
max = le16_to_cpu(param->max_interval); |
|
latency = le16_to_cpu(param->latency); |
|
timeout = le16_to_cpu(param->timeout); |
|
|
|
bt_dev_dbg(hdev, "min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x", |
|
min, max, latency, timeout); |
|
|
|
if (hci_check_conn_params(min, max, latency, timeout) < 0) { |
|
bt_dev_err(hdev, "ignoring invalid connection parameters"); |
|
continue; |
|
} |
|
|
|
hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr, |
|
addr_type); |
|
if (!hci_param) { |
|
bt_dev_err(hdev, "failed to add connection parameters"); |
|
continue; |
|
} |
|
|
|
hci_param->conn_min_interval = min; |
|
hci_param->conn_max_interval = max; |
|
hci_param->conn_latency = latency; |
|
hci_param->supervision_timeout = timeout; |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, |
|
NULL, 0); |
|
} |
|
|
|
static int set_external_config(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_set_external_config *cp = data; |
|
bool changed; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (hdev_is_powered(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->config != 0x00 && cp->config != 0x01) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->config) |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED); |
|
|
|
err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (!changed) |
|
goto unlock; |
|
|
|
err = new_options(hdev, sk); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) { |
|
mgmt_index_removed(hdev); |
|
|
|
if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) { |
|
hci_dev_set_flag(hdev, HCI_CONFIG); |
|
hci_dev_set_flag(hdev, HCI_AUTO_OFF); |
|
|
|
queue_work(hdev->req_workqueue, &hdev->power_on); |
|
} else { |
|
set_bit(HCI_RAW, &hdev->flags); |
|
mgmt_index_added(hdev); |
|
} |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static int set_public_address(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 len) |
|
{ |
|
struct mgmt_cp_set_public_address *cp = data; |
|
bool changed; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (hdev_is_powered(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (!bacmp(&cp->bdaddr, BDADDR_ANY)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (!hdev->set_bdaddr) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
changed = !!bacmp(&hdev->public_addr, &cp->bdaddr); |
|
bacpy(&hdev->public_addr, &cp->bdaddr); |
|
|
|
err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev); |
|
if (err < 0) |
|
goto unlock; |
|
|
|
if (!changed) |
|
goto unlock; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
|
err = new_options(hdev, sk); |
|
|
|
if (is_configured(hdev)) { |
|
mgmt_index_removed(hdev); |
|
|
|
hci_dev_clear_flag(hdev, HCI_UNCONFIGURED); |
|
|
|
hci_dev_set_flag(hdev, HCI_CONFIG); |
|
hci_dev_set_flag(hdev, HCI_AUTO_OFF); |
|
|
|
queue_work(hdev->req_workqueue, &hdev->power_on); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
return err; |
|
} |
|
|
|
static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode, struct sk_buff *skb) |
|
{ |
|
const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp; |
|
struct mgmt_rp_read_local_oob_ext_data *mgmt_rp; |
|
u8 *h192, *r192, *h256, *r256; |
|
struct mgmt_pending_cmd *cmd; |
|
u16 eir_len; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
mgmt_cp = cmd->param; |
|
|
|
if (status) { |
|
status = mgmt_status(status); |
|
eir_len = 0; |
|
|
|
h192 = NULL; |
|
r192 = NULL; |
|
h256 = NULL; |
|
r256 = NULL; |
|
} else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) { |
|
struct hci_rp_read_local_oob_data *rp; |
|
|
|
if (skb->len != sizeof(*rp)) { |
|
status = MGMT_STATUS_FAILED; |
|
eir_len = 0; |
|
} else { |
|
status = MGMT_STATUS_SUCCESS; |
|
rp = (void *)skb->data; |
|
|
|
eir_len = 5 + 18 + 18; |
|
h192 = rp->hash; |
|
r192 = rp->rand; |
|
h256 = NULL; |
|
r256 = NULL; |
|
} |
|
} else { |
|
struct hci_rp_read_local_oob_ext_data *rp; |
|
|
|
if (skb->len != sizeof(*rp)) { |
|
status = MGMT_STATUS_FAILED; |
|
eir_len = 0; |
|
} else { |
|
status = MGMT_STATUS_SUCCESS; |
|
rp = (void *)skb->data; |
|
|
|
if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
|
eir_len = 5 + 18 + 18; |
|
h192 = NULL; |
|
r192 = NULL; |
|
} else { |
|
eir_len = 5 + 18 + 18 + 18 + 18; |
|
h192 = rp->hash192; |
|
r192 = rp->rand192; |
|
} |
|
|
|
h256 = rp->hash256; |
|
r256 = rp->rand256; |
|
} |
|
} |
|
|
|
mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL); |
|
if (!mgmt_rp) |
|
goto done; |
|
|
|
if (status) |
|
goto send_rsp; |
|
|
|
eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV, |
|
hdev->dev_class, 3); |
|
|
|
if (h192 && r192) { |
|
eir_len = eir_append_data(mgmt_rp->eir, eir_len, |
|
EIR_SSP_HASH_C192, h192, 16); |
|
eir_len = eir_append_data(mgmt_rp->eir, eir_len, |
|
EIR_SSP_RAND_R192, r192, 16); |
|
} |
|
|
|
if (h256 && r256) { |
|
eir_len = eir_append_data(mgmt_rp->eir, eir_len, |
|
EIR_SSP_HASH_C256, h256, 16); |
|
eir_len = eir_append_data(mgmt_rp->eir, eir_len, |
|
EIR_SSP_RAND_R256, r256, 16); |
|
} |
|
|
|
send_rsp: |
|
mgmt_rp->type = mgmt_cp->type; |
|
mgmt_rp->eir_len = cpu_to_le16(eir_len); |
|
|
|
err = mgmt_cmd_complete(cmd->sk, hdev->id, |
|
MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status, |
|
mgmt_rp, sizeof(*mgmt_rp) + eir_len); |
|
if (err < 0 || status) |
|
goto done; |
|
|
|
hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS); |
|
|
|
err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev, |
|
mgmt_rp, sizeof(*mgmt_rp) + eir_len, |
|
HCI_MGMT_OOB_DATA_EVENTS, cmd->sk); |
|
done: |
|
kfree(mgmt_rp); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk, |
|
struct mgmt_cp_read_local_oob_ext_data *cp) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev, |
|
cp, sizeof(*cp)); |
|
if (!cmd) |
|
return -ENOMEM; |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (bredr_sc_enabled(hdev)) |
|
hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL); |
|
else |
|
hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); |
|
|
|
err = hci_req_run_skb(&req, read_local_oob_ext_data_complete); |
|
if (err < 0) { |
|
mgmt_pending_remove(cmd); |
|
return err; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_read_local_oob_ext_data *cp = data; |
|
struct mgmt_rp_read_local_oob_ext_data *rp; |
|
size_t rp_len; |
|
u16 eir_len; |
|
u8 status, flags, role, addr[7], hash[16], rand[16]; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (hdev_is_powered(hdev)) { |
|
switch (cp->type) { |
|
case BIT(BDADDR_BREDR): |
|
status = mgmt_bredr_support(hdev); |
|
if (status) |
|
eir_len = 0; |
|
else |
|
eir_len = 5; |
|
break; |
|
case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)): |
|
status = mgmt_le_support(hdev); |
|
if (status) |
|
eir_len = 0; |
|
else |
|
eir_len = 9 + 3 + 18 + 18 + 3; |
|
break; |
|
default: |
|
status = MGMT_STATUS_INVALID_PARAMS; |
|
eir_len = 0; |
|
break; |
|
} |
|
} else { |
|
status = MGMT_STATUS_NOT_POWERED; |
|
eir_len = 0; |
|
} |
|
|
|
rp_len = sizeof(*rp) + eir_len; |
|
rp = kmalloc(rp_len, GFP_ATOMIC); |
|
if (!rp) |
|
return -ENOMEM; |
|
|
|
if (status) |
|
goto complete; |
|
|
|
hci_dev_lock(hdev); |
|
|
|
eir_len = 0; |
|
switch (cp->type) { |
|
case BIT(BDADDR_BREDR): |
|
if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
|
err = read_local_ssp_oob_req(hdev, sk, cp); |
|
hci_dev_unlock(hdev); |
|
if (!err) |
|
goto done; |
|
|
|
status = MGMT_STATUS_FAILED; |
|
goto complete; |
|
} else { |
|
eir_len = eir_append_data(rp->eir, eir_len, |
|
EIR_CLASS_OF_DEV, |
|
hdev->dev_class, 3); |
|
} |
|
break; |
|
case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)): |
|
if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
|
smp_generate_oob(hdev, hash, rand) < 0) { |
|
hci_dev_unlock(hdev); |
|
status = MGMT_STATUS_FAILED; |
|
goto complete; |
|
} |
|
|
|
/* This should return the active RPA, but since the RPA |
|
* is only programmed on demand, it is really hard to fill |
|
* this in at the moment. For now disallow retrieving |
|
* local out-of-band data when privacy is in use. |
|
* |
|
* Returning the identity address will not help here since |
|
* pairing happens before the identity resolving key is |
|
* known and thus the connection establishment happens |
|
* based on the RPA and not the identity address. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
|
hci_dev_unlock(hdev); |
|
status = MGMT_STATUS_REJECTED; |
|
goto complete; |
|
} |
|
|
|
if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || |
|
!bacmp(&hdev->bdaddr, BDADDR_ANY) || |
|
(!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
|
bacmp(&hdev->static_addr, BDADDR_ANY))) { |
|
memcpy(addr, &hdev->static_addr, 6); |
|
addr[6] = 0x01; |
|
} else { |
|
memcpy(addr, &hdev->bdaddr, 6); |
|
addr[6] = 0x00; |
|
} |
|
|
|
eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR, |
|
addr, sizeof(addr)); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
|
role = 0x02; |
|
else |
|
role = 0x01; |
|
|
|
eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE, |
|
&role, sizeof(role)); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) { |
|
eir_len = eir_append_data(rp->eir, eir_len, |
|
EIR_LE_SC_CONFIRM, |
|
hash, sizeof(hash)); |
|
|
|
eir_len = eir_append_data(rp->eir, eir_len, |
|
EIR_LE_SC_RANDOM, |
|
rand, sizeof(rand)); |
|
} |
|
|
|
flags = mgmt_get_adv_discov_flags(hdev); |
|
|
|
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
|
flags |= LE_AD_NO_BREDR; |
|
|
|
eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS, |
|
&flags, sizeof(flags)); |
|
break; |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS); |
|
|
|
status = MGMT_STATUS_SUCCESS; |
|
|
|
complete: |
|
rp->type = cp->type; |
|
rp->eir_len = cpu_to_le16(eir_len); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, |
|
status, rp, sizeof(*rp) + eir_len); |
|
if (err < 0 || status) |
|
goto done; |
|
|
|
err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev, |
|
rp, sizeof(*rp) + eir_len, |
|
HCI_MGMT_OOB_DATA_EVENTS, sk); |
|
|
|
done: |
|
kfree(rp); |
|
|
|
return err; |
|
} |
|
|
|
static u32 get_supported_adv_flags(struct hci_dev *hdev) |
|
{ |
|
u32 flags = 0; |
|
|
|
flags |= MGMT_ADV_FLAG_CONNECTABLE; |
|
flags |= MGMT_ADV_FLAG_DISCOV; |
|
flags |= MGMT_ADV_FLAG_LIMITED_DISCOV; |
|
flags |= MGMT_ADV_FLAG_MANAGED_FLAGS; |
|
flags |= MGMT_ADV_FLAG_APPEARANCE; |
|
flags |= MGMT_ADV_FLAG_LOCAL_NAME; |
|
flags |= MGMT_ADV_PARAM_DURATION; |
|
flags |= MGMT_ADV_PARAM_TIMEOUT; |
|
flags |= MGMT_ADV_PARAM_INTERVALS; |
|
flags |= MGMT_ADV_PARAM_TX_POWER; |
|
flags |= MGMT_ADV_PARAM_SCAN_RSP; |
|
|
|
/* In extended adv TX_POWER returned from Set Adv Param |
|
* will be always valid. |
|
*/ |
|
if ((hdev->adv_tx_power != HCI_TX_POWER_INVALID) || |
|
ext_adv_capable(hdev)) |
|
flags |= MGMT_ADV_FLAG_TX_POWER; |
|
|
|
if (ext_adv_capable(hdev)) { |
|
flags |= MGMT_ADV_FLAG_SEC_1M; |
|
flags |= MGMT_ADV_FLAG_HW_OFFLOAD; |
|
flags |= MGMT_ADV_FLAG_CAN_SET_TX_POWER; |
|
|
|
if (hdev->le_features[1] & HCI_LE_PHY_2M) |
|
flags |= MGMT_ADV_FLAG_SEC_2M; |
|
|
|
if (hdev->le_features[1] & HCI_LE_PHY_CODED) |
|
flags |= MGMT_ADV_FLAG_SEC_CODED; |
|
} |
|
|
|
return flags; |
|
} |
|
|
|
static int read_adv_features(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_rp_read_adv_features *rp; |
|
size_t rp_len; |
|
int err; |
|
struct adv_info *adv_instance; |
|
u32 supported_flags; |
|
u8 *instance; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES, |
|
MGMT_STATUS_REJECTED); |
|
|
|
/* Enabling the experimental LL Privay support disables support for |
|
* advertising. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
rp_len = sizeof(*rp) + hdev->adv_instance_cnt; |
|
rp = kmalloc(rp_len, GFP_ATOMIC); |
|
if (!rp) { |
|
hci_dev_unlock(hdev); |
|
return -ENOMEM; |
|
} |
|
|
|
supported_flags = get_supported_adv_flags(hdev); |
|
|
|
rp->supported_flags = cpu_to_le32(supported_flags); |
|
rp->max_adv_data_len = HCI_MAX_AD_LENGTH; |
|
rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH; |
|
rp->max_instances = hdev->le_num_of_adv_sets; |
|
rp->num_instances = hdev->adv_instance_cnt; |
|
|
|
instance = rp->instance; |
|
list_for_each_entry(adv_instance, &hdev->adv_instances, list) { |
|
*instance = adv_instance->instance; |
|
instance++; |
|
} |
|
|
|
hci_dev_unlock(hdev); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES, |
|
MGMT_STATUS_SUCCESS, rp, rp_len); |
|
|
|
kfree(rp); |
|
|
|
return err; |
|
} |
|
|
|
static u8 calculate_name_len(struct hci_dev *hdev) |
|
{ |
|
u8 buf[HCI_MAX_SHORT_NAME_LENGTH + 3]; |
|
|
|
return append_local_name(hdev, buf, 0); |
|
} |
|
|
|
static u8 tlv_data_max_len(struct hci_dev *hdev, u32 adv_flags, |
|
bool is_adv_data) |
|
{ |
|
u8 max_len = HCI_MAX_AD_LENGTH; |
|
|
|
if (is_adv_data) { |
|
if (adv_flags & (MGMT_ADV_FLAG_DISCOV | |
|
MGMT_ADV_FLAG_LIMITED_DISCOV | |
|
MGMT_ADV_FLAG_MANAGED_FLAGS)) |
|
max_len -= 3; |
|
|
|
if (adv_flags & MGMT_ADV_FLAG_TX_POWER) |
|
max_len -= 3; |
|
} else { |
|
if (adv_flags & MGMT_ADV_FLAG_LOCAL_NAME) |
|
max_len -= calculate_name_len(hdev); |
|
|
|
if (adv_flags & (MGMT_ADV_FLAG_APPEARANCE)) |
|
max_len -= 4; |
|
} |
|
|
|
return max_len; |
|
} |
|
|
|
static bool flags_managed(u32 adv_flags) |
|
{ |
|
return adv_flags & (MGMT_ADV_FLAG_DISCOV | |
|
MGMT_ADV_FLAG_LIMITED_DISCOV | |
|
MGMT_ADV_FLAG_MANAGED_FLAGS); |
|
} |
|
|
|
static bool tx_power_managed(u32 adv_flags) |
|
{ |
|
return adv_flags & MGMT_ADV_FLAG_TX_POWER; |
|
} |
|
|
|
static bool name_managed(u32 adv_flags) |
|
{ |
|
return adv_flags & MGMT_ADV_FLAG_LOCAL_NAME; |
|
} |
|
|
|
static bool appearance_managed(u32 adv_flags) |
|
{ |
|
return adv_flags & MGMT_ADV_FLAG_APPEARANCE; |
|
} |
|
|
|
static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data, |
|
u8 len, bool is_adv_data) |
|
{ |
|
int i, cur_len; |
|
u8 max_len; |
|
|
|
max_len = tlv_data_max_len(hdev, adv_flags, is_adv_data); |
|
|
|
if (len > max_len) |
|
return false; |
|
|
|
/* Make sure that the data is correctly formatted. */ |
|
for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) { |
|
cur_len = data[i]; |
|
|
|
if (!cur_len) |
|
continue; |
|
|
|
if (data[i + 1] == EIR_FLAGS && |
|
(!is_adv_data || flags_managed(adv_flags))) |
|
return false; |
|
|
|
if (data[i + 1] == EIR_TX_POWER && tx_power_managed(adv_flags)) |
|
return false; |
|
|
|
if (data[i + 1] == EIR_NAME_COMPLETE && name_managed(adv_flags)) |
|
return false; |
|
|
|
if (data[i + 1] == EIR_NAME_SHORT && name_managed(adv_flags)) |
|
return false; |
|
|
|
if (data[i + 1] == EIR_APPEARANCE && |
|
appearance_managed(adv_flags)) |
|
return false; |
|
|
|
/* If the current field length would exceed the total data |
|
* length, then it's invalid. |
|
*/ |
|
if (i + cur_len >= len) |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
static bool requested_adv_flags_are_valid(struct hci_dev *hdev, u32 adv_flags) |
|
{ |
|
u32 supported_flags, phy_flags; |
|
|
|
/* The current implementation only supports a subset of the specified |
|
* flags. Also need to check mutual exclusiveness of sec flags. |
|
*/ |
|
supported_flags = get_supported_adv_flags(hdev); |
|
phy_flags = adv_flags & MGMT_ADV_FLAG_SEC_MASK; |
|
if (adv_flags & ~supported_flags || |
|
((phy_flags && (phy_flags ^ (phy_flags & -phy_flags))))) |
|
return false; |
|
|
|
return true; |
|
} |
|
|
|
static bool adv_busy(struct hci_dev *hdev) |
|
{ |
|
return (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) || |
|
pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) || |
|
pending_find(MGMT_OP_SET_LE, hdev) || |
|
pending_find(MGMT_OP_ADD_EXT_ADV_PARAMS, hdev) || |
|
pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev)); |
|
} |
|
|
|
static void add_advertising_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct mgmt_cp_add_advertising *cp; |
|
struct mgmt_rp_add_advertising rp; |
|
struct adv_info *adv_instance, *n; |
|
u8 instance; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev); |
|
if (!cmd) |
|
cmd = pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev); |
|
|
|
list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) { |
|
if (!adv_instance->pending) |
|
continue; |
|
|
|
if (!status) { |
|
adv_instance->pending = false; |
|
continue; |
|
} |
|
|
|
instance = adv_instance->instance; |
|
|
|
if (hdev->cur_adv_instance == instance) |
|
cancel_adv_timeout(hdev); |
|
|
|
hci_remove_adv_instance(hdev, instance); |
|
mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance); |
|
} |
|
|
|
if (!cmd) |
|
goto unlock; |
|
|
|
cp = cmd->param; |
|
rp.instance = cp->instance; |
|
|
|
if (status) |
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status)); |
|
else |
|
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status), &rp, sizeof(rp)); |
|
|
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int add_advertising(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_add_advertising *cp = data; |
|
struct mgmt_rp_add_advertising rp; |
|
u32 flags; |
|
u8 status; |
|
u16 timeout, duration; |
|
unsigned int prev_instance_cnt = hdev->adv_instance_cnt; |
|
u8 schedule_instance = 0; |
|
struct adv_info *next_instance; |
|
int err; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
status = mgmt_le_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
status); |
|
|
|
/* Enabling the experimental LL Privay support disables support for |
|
* advertising. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
flags = __le32_to_cpu(cp->flags); |
|
timeout = __le16_to_cpu(cp->timeout); |
|
duration = __le16_to_cpu(cp->duration); |
|
|
|
if (!requested_adv_flags_are_valid(hdev, flags)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (timeout && !hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
|
|
if (adv_busy(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) || |
|
!tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len, |
|
cp->scan_rsp_len, false)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
err = hci_add_adv_instance(hdev, cp->instance, flags, |
|
cp->adv_data_len, cp->data, |
|
cp->scan_rsp_len, |
|
cp->data + cp->adv_data_len, |
|
timeout, duration, |
|
HCI_ADV_TX_POWER_NO_PREFERENCE, |
|
hdev->le_adv_min_interval, |
|
hdev->le_adv_max_interval); |
|
if (err < 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_FAILED); |
|
goto unlock; |
|
} |
|
|
|
/* Only trigger an advertising added event if a new instance was |
|
* actually added. |
|
*/ |
|
if (hdev->adv_instance_cnt > prev_instance_cnt) |
|
mgmt_advertising_added(sk, hdev, cp->instance); |
|
|
|
if (hdev->cur_adv_instance == cp->instance) { |
|
/* If the currently advertised instance is being changed then |
|
* cancel the current advertising and schedule the next |
|
* instance. If there is only one instance then the overridden |
|
* advertising data will be visible right away. |
|
*/ |
|
cancel_adv_timeout(hdev); |
|
|
|
next_instance = hci_get_next_instance(hdev, cp->instance); |
|
if (next_instance) |
|
schedule_instance = next_instance->instance; |
|
} else if (!hdev->adv_instance_timeout) { |
|
/* Immediately advertise the new instance if no other |
|
* instance is currently being advertised. |
|
*/ |
|
schedule_instance = cp->instance; |
|
} |
|
|
|
/* If the HCI_ADVERTISING flag is set or the device isn't powered or |
|
* there is no instance to be advertised then we have no HCI |
|
* communication to make. Simply return. |
|
*/ |
|
if (!hdev_is_powered(hdev) || |
|
hci_dev_test_flag(hdev, HCI_ADVERTISING) || |
|
!schedule_instance) { |
|
rp.instance = cp->instance; |
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
/* We're good to go, update advertising data, parameters, and start |
|
* advertising. |
|
*/ |
|
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data, |
|
data_len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
err = __hci_req_schedule_adv_instance(&req, schedule_instance, true); |
|
|
|
if (!err) |
|
err = hci_req_run(&req, add_advertising_complete); |
|
|
|
if (err < 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_FAILED); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static void add_ext_adv_params_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct mgmt_cp_add_ext_adv_params *cp; |
|
struct mgmt_rp_add_ext_adv_params rp; |
|
struct adv_info *adv_instance; |
|
u32 flags; |
|
|
|
BT_DBG("%s", hdev->name); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
cmd = pending_find(MGMT_OP_ADD_EXT_ADV_PARAMS, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
cp = cmd->param; |
|
adv_instance = hci_find_adv_instance(hdev, cp->instance); |
|
if (!adv_instance) |
|
goto unlock; |
|
|
|
rp.instance = cp->instance; |
|
rp.tx_power = adv_instance->tx_power; |
|
|
|
/* While we're at it, inform userspace of the available space for this |
|
* advertisement, given the flags that will be used. |
|
*/ |
|
flags = __le32_to_cpu(cp->flags); |
|
rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true); |
|
rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false); |
|
|
|
if (status) { |
|
/* If this advertisement was previously advertising and we |
|
* failed to update it, we signal that it has been removed and |
|
* delete its structure |
|
*/ |
|
if (!adv_instance->pending) |
|
mgmt_advertising_removed(cmd->sk, hdev, cp->instance); |
|
|
|
hci_remove_adv_instance(hdev, cp->instance); |
|
|
|
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status)); |
|
|
|
} else { |
|
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
|
mgmt_status(status), &rp, sizeof(rp)); |
|
} |
|
|
|
unlock: |
|
if (cmd) |
|
mgmt_pending_remove(cmd); |
|
|
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int add_ext_adv_params(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_add_ext_adv_params *cp = data; |
|
struct mgmt_rp_add_ext_adv_params rp; |
|
struct mgmt_pending_cmd *cmd = NULL; |
|
struct adv_info *adv_instance; |
|
struct hci_request req; |
|
u32 flags, min_interval, max_interval; |
|
u16 timeout, duration; |
|
u8 status; |
|
s8 tx_power; |
|
int err; |
|
|
|
BT_DBG("%s", hdev->name); |
|
|
|
status = mgmt_le_support(hdev); |
|
if (status) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
status); |
|
|
|
if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
/* The purpose of breaking add_advertising into two separate MGMT calls |
|
* for params and data is to allow more parameters to be added to this |
|
* structure in the future. For this reason, we verify that we have the |
|
* bare minimum structure we know of when the interface was defined. Any |
|
* extra parameters we don't know about will be ignored in this request. |
|
*/ |
|
if (data_len < MGMT_ADD_EXT_ADV_PARAMS_MIN_SIZE) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
flags = __le32_to_cpu(cp->flags); |
|
|
|
if (!requested_adv_flags_are_valid(hdev, flags)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* In new interface, we require that we are powered to register */ |
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_REJECTED); |
|
goto unlock; |
|
} |
|
|
|
if (adv_busy(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
/* Parse defined parameters from request, use defaults otherwise */ |
|
timeout = (flags & MGMT_ADV_PARAM_TIMEOUT) ? |
|
__le16_to_cpu(cp->timeout) : 0; |
|
|
|
duration = (flags & MGMT_ADV_PARAM_DURATION) ? |
|
__le16_to_cpu(cp->duration) : |
|
hdev->def_multi_adv_rotation_duration; |
|
|
|
min_interval = (flags & MGMT_ADV_PARAM_INTERVALS) ? |
|
__le32_to_cpu(cp->min_interval) : |
|
hdev->le_adv_min_interval; |
|
|
|
max_interval = (flags & MGMT_ADV_PARAM_INTERVALS) ? |
|
__le32_to_cpu(cp->max_interval) : |
|
hdev->le_adv_max_interval; |
|
|
|
tx_power = (flags & MGMT_ADV_PARAM_TX_POWER) ? |
|
cp->tx_power : |
|
HCI_ADV_TX_POWER_NO_PREFERENCE; |
|
|
|
/* Create advertising instance with no advertising or response data */ |
|
err = hci_add_adv_instance(hdev, cp->instance, flags, |
|
0, NULL, 0, NULL, timeout, duration, |
|
tx_power, min_interval, max_interval); |
|
|
|
if (err < 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_FAILED); |
|
goto unlock; |
|
} |
|
|
|
/* Submit request for advertising params if ext adv available */ |
|
if (ext_adv_capable(hdev)) { |
|
hci_req_init(&req, hdev); |
|
adv_instance = hci_find_adv_instance(hdev, cp->instance); |
|
|
|
/* Updating parameters of an active instance will return a |
|
* Command Disallowed error, so we must first disable the |
|
* instance if it is active. |
|
*/ |
|
if (!adv_instance->pending) |
|
__hci_req_disable_ext_adv_instance(&req, cp->instance); |
|
|
|
__hci_req_setup_ext_adv_instance(&req, cp->instance); |
|
|
|
err = hci_req_run(&req, add_ext_adv_params_complete); |
|
|
|
if (!err) |
|
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
hdev, data, data_len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
hci_remove_adv_instance(hdev, cp->instance); |
|
goto unlock; |
|
} |
|
|
|
} else { |
|
rp.instance = cp->instance; |
|
rp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE; |
|
rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true); |
|
rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false); |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_EXT_ADV_PARAMS, |
|
MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); |
|
} |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int add_ext_adv_data(struct sock *sk, struct hci_dev *hdev, void *data, |
|
u16 data_len) |
|
{ |
|
struct mgmt_cp_add_ext_adv_data *cp = data; |
|
struct mgmt_rp_add_ext_adv_data rp; |
|
u8 schedule_instance = 0; |
|
struct adv_info *next_instance; |
|
struct adv_info *adv_instance; |
|
int err = 0; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
|
|
BT_DBG("%s", hdev->name); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
adv_instance = hci_find_adv_instance(hdev, cp->instance); |
|
|
|
if (!adv_instance) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
/* In new interface, we require that we are powered to register */ |
|
if (!hdev_is_powered(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_REJECTED); |
|
goto clear_new_instance; |
|
} |
|
|
|
if (adv_busy(hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_BUSY); |
|
goto clear_new_instance; |
|
} |
|
|
|
/* Validate new data */ |
|
if (!tlv_data_is_valid(hdev, adv_instance->flags, cp->data, |
|
cp->adv_data_len, true) || |
|
!tlv_data_is_valid(hdev, adv_instance->flags, cp->data + |
|
cp->adv_data_len, cp->scan_rsp_len, false)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto clear_new_instance; |
|
} |
|
|
|
/* Set the data in the advertising instance */ |
|
hci_set_adv_instance_data(hdev, cp->instance, cp->adv_data_len, |
|
cp->data, cp->scan_rsp_len, |
|
cp->data + cp->adv_data_len); |
|
|
|
/* We're good to go, update advertising data, parameters, and start |
|
* advertising. |
|
*/ |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
hci_req_add(&req, HCI_OP_READ_LOCAL_NAME, 0, NULL); |
|
|
|
if (ext_adv_capable(hdev)) { |
|
__hci_req_update_adv_data(&req, cp->instance); |
|
__hci_req_update_scan_rsp_data(&req, cp->instance); |
|
__hci_req_enable_ext_advertising(&req, cp->instance); |
|
|
|
} else { |
|
/* If using software rotation, determine next instance to use */ |
|
|
|
if (hdev->cur_adv_instance == cp->instance) { |
|
/* If the currently advertised instance is being changed |
|
* then cancel the current advertising and schedule the |
|
* next instance. If there is only one instance then the |
|
* overridden advertising data will be visible right |
|
* away |
|
*/ |
|
cancel_adv_timeout(hdev); |
|
|
|
next_instance = hci_get_next_instance(hdev, |
|
cp->instance); |
|
if (next_instance) |
|
schedule_instance = next_instance->instance; |
|
} else if (!hdev->adv_instance_timeout) { |
|
/* Immediately advertise the new instance if no other |
|
* instance is currently being advertised. |
|
*/ |
|
schedule_instance = cp->instance; |
|
} |
|
|
|
/* If the HCI_ADVERTISING flag is set or there is no instance to |
|
* be advertised then we have no HCI communication to make. |
|
* Simply return. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || |
|
!schedule_instance) { |
|
if (adv_instance->pending) { |
|
mgmt_advertising_added(sk, hdev, cp->instance); |
|
adv_instance->pending = false; |
|
} |
|
rp.instance = cp->instance; |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_SUCCESS, &rp, |
|
sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
err = __hci_req_schedule_adv_instance(&req, schedule_instance, |
|
true); |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data, |
|
data_len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto clear_new_instance; |
|
} |
|
|
|
if (!err) |
|
err = hci_req_run(&req, add_advertising_complete); |
|
|
|
if (err < 0) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA, |
|
MGMT_STATUS_FAILED); |
|
mgmt_pending_remove(cmd); |
|
goto clear_new_instance; |
|
} |
|
|
|
/* We were successful in updating data, so trigger advertising_added |
|
* event if this is an instance that wasn't previously advertising. If |
|
* a failure occurs in the requests we initiated, we will remove the |
|
* instance again in add_advertising_complete |
|
*/ |
|
if (adv_instance->pending) |
|
mgmt_advertising_added(sk, hdev, cp->instance); |
|
|
|
goto unlock; |
|
|
|
clear_new_instance: |
|
hci_remove_adv_instance(hdev, cp->instance); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static void remove_advertising_complete(struct hci_dev *hdev, u8 status, |
|
u16 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct mgmt_cp_remove_advertising *cp; |
|
struct mgmt_rp_remove_advertising rp; |
|
|
|
bt_dev_dbg(hdev, "status %u", status); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
/* A failure status here only means that we failed to disable |
|
* advertising. Otherwise, the advertising instance has been removed, |
|
* so report success. |
|
*/ |
|
cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev); |
|
if (!cmd) |
|
goto unlock; |
|
|
|
cp = cmd->param; |
|
rp.instance = cp->instance; |
|
|
|
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS, |
|
&rp, sizeof(rp)); |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
static int remove_advertising(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_remove_advertising *cp = data; |
|
struct mgmt_rp_remove_advertising rp; |
|
struct mgmt_pending_cmd *cmd; |
|
struct hci_request req; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
/* Enabling the experimental LL Privay support disables support for |
|
* advertising. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
|
MGMT_STATUS_NOT_SUPPORTED); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) { |
|
err = mgmt_cmd_status(sk, hdev->id, |
|
MGMT_OP_REMOVE_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) || |
|
pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) || |
|
pending_find(MGMT_OP_SET_LE, hdev)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING, |
|
MGMT_STATUS_BUSY); |
|
goto unlock; |
|
} |
|
|
|
if (list_empty(&hdev->adv_instances)) { |
|
err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
goto unlock; |
|
} |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
/* If we use extended advertising, instance is disabled and removed */ |
|
if (ext_adv_capable(hdev)) { |
|
__hci_req_disable_ext_adv_instance(&req, cp->instance); |
|
__hci_req_remove_ext_adv_instance(&req, cp->instance); |
|
} |
|
|
|
hci_req_clear_adv_instance(hdev, sk, &req, cp->instance, true); |
|
|
|
if (list_empty(&hdev->adv_instances)) |
|
__hci_req_disable_advertising(&req); |
|
|
|
/* If no HCI commands have been collected so far or the HCI_ADVERTISING |
|
* flag is set or the device isn't powered then we have no HCI |
|
* communication to make. Simply return. |
|
*/ |
|
if (skb_queue_empty(&req.cmd_q) || |
|
!hdev_is_powered(hdev) || |
|
hci_dev_test_flag(hdev, HCI_ADVERTISING)) { |
|
hci_req_purge(&req); |
|
rp.instance = cp->instance; |
|
err = mgmt_cmd_complete(sk, hdev->id, |
|
MGMT_OP_REMOVE_ADVERTISING, |
|
MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); |
|
goto unlock; |
|
} |
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data, |
|
data_len); |
|
if (!cmd) { |
|
err = -ENOMEM; |
|
goto unlock; |
|
} |
|
|
|
err = hci_req_run(&req, remove_advertising_complete); |
|
if (err < 0) |
|
mgmt_pending_remove(cmd); |
|
|
|
unlock: |
|
hci_dev_unlock(hdev); |
|
|
|
return err; |
|
} |
|
|
|
static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev, |
|
void *data, u16 data_len) |
|
{ |
|
struct mgmt_cp_get_adv_size_info *cp = data; |
|
struct mgmt_rp_get_adv_size_info rp; |
|
u32 flags, supported_flags; |
|
int err; |
|
|
|
bt_dev_dbg(hdev, "sock %p", sk); |
|
|
|
if (!lmp_le_capable(hdev)) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO, |
|
MGMT_STATUS_REJECTED); |
|
|
|
if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
flags = __le32_to_cpu(cp->flags); |
|
|
|
/* The current implementation only supports a subset of the specified |
|
* flags. |
|
*/ |
|
supported_flags = get_supported_adv_flags(hdev); |
|
if (flags & ~supported_flags) |
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO, |
|
MGMT_STATUS_INVALID_PARAMS); |
|
|
|
rp.instance = cp->instance; |
|
rp.flags = cp->flags; |
|
rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true); |
|
rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false); |
|
|
|
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO, |
|
MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); |
|
|
|
return err; |
|
} |
|
|
|
static const struct hci_mgmt_handler mgmt_handlers[] = { |
|
{ NULL }, /* 0x0000 (no command) */ |
|
{ read_version, MGMT_READ_VERSION_SIZE, |
|
HCI_MGMT_NO_HDEV | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_commands, MGMT_READ_COMMANDS_SIZE, |
|
HCI_MGMT_NO_HDEV | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_index_list, MGMT_READ_INDEX_LIST_SIZE, |
|
HCI_MGMT_NO_HDEV | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_controller_info, MGMT_READ_INFO_SIZE, |
|
HCI_MGMT_UNTRUSTED }, |
|
{ set_powered, MGMT_SETTING_SIZE }, |
|
{ set_discoverable, MGMT_SET_DISCOVERABLE_SIZE }, |
|
{ set_connectable, MGMT_SETTING_SIZE }, |
|
{ set_fast_connectable, MGMT_SETTING_SIZE }, |
|
{ set_bondable, MGMT_SETTING_SIZE }, |
|
{ set_link_security, MGMT_SETTING_SIZE }, |
|
{ set_ssp, MGMT_SETTING_SIZE }, |
|
{ set_hs, MGMT_SETTING_SIZE }, |
|
{ set_le, MGMT_SETTING_SIZE }, |
|
{ set_dev_class, MGMT_SET_DEV_CLASS_SIZE }, |
|
{ set_local_name, MGMT_SET_LOCAL_NAME_SIZE }, |
|
{ add_uuid, MGMT_ADD_UUID_SIZE }, |
|
{ remove_uuid, MGMT_REMOVE_UUID_SIZE }, |
|
{ load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ disconnect, MGMT_DISCONNECT_SIZE }, |
|
{ get_connections, MGMT_GET_CONNECTIONS_SIZE }, |
|
{ pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE }, |
|
{ pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE }, |
|
{ set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE }, |
|
{ pair_device, MGMT_PAIR_DEVICE_SIZE }, |
|
{ cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE }, |
|
{ unpair_device, MGMT_UNPAIR_DEVICE_SIZE }, |
|
{ user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE }, |
|
{ user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, |
|
{ user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE }, |
|
{ user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, |
|
{ read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE }, |
|
{ add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, |
|
{ start_discovery, MGMT_START_DISCOVERY_SIZE }, |
|
{ stop_discovery, MGMT_STOP_DISCOVERY_SIZE }, |
|
{ confirm_name, MGMT_CONFIRM_NAME_SIZE }, |
|
{ block_device, MGMT_BLOCK_DEVICE_SIZE }, |
|
{ unblock_device, MGMT_UNBLOCK_DEVICE_SIZE }, |
|
{ set_device_id, MGMT_SET_DEVICE_ID_SIZE }, |
|
{ set_advertising, MGMT_SETTING_SIZE }, |
|
{ set_bredr, MGMT_SETTING_SIZE }, |
|
{ set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE }, |
|
{ set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE }, |
|
{ set_secure_conn, MGMT_SETTING_SIZE }, |
|
{ set_debug_keys, MGMT_SETTING_SIZE }, |
|
{ set_privacy, MGMT_SET_PRIVACY_SIZE }, |
|
{ load_irks, MGMT_LOAD_IRKS_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ get_conn_info, MGMT_GET_CONN_INFO_SIZE }, |
|
{ get_clock_info, MGMT_GET_CLOCK_INFO_SIZE }, |
|
{ add_device, MGMT_ADD_DEVICE_SIZE }, |
|
{ remove_device, MGMT_REMOVE_DEVICE_SIZE }, |
|
{ load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE, |
|
HCI_MGMT_NO_HDEV | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_config_info, MGMT_READ_CONFIG_INFO_SIZE, |
|
HCI_MGMT_UNCONFIGURED | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE, |
|
HCI_MGMT_UNCONFIGURED }, |
|
{ set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE, |
|
HCI_MGMT_UNCONFIGURED }, |
|
{ start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE }, |
|
{ read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE, |
|
HCI_MGMT_NO_HDEV | |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_adv_features, MGMT_READ_ADV_FEATURES_SIZE }, |
|
{ add_advertising, MGMT_ADD_ADVERTISING_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE }, |
|
{ get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE }, |
|
{ start_limited_discovery, MGMT_START_DISCOVERY_SIZE }, |
|
{ read_ext_controller_info,MGMT_READ_EXT_INFO_SIZE, |
|
HCI_MGMT_UNTRUSTED }, |
|
{ set_appearance, MGMT_SET_APPEARANCE_SIZE }, |
|
{ get_phy_configuration, MGMT_GET_PHY_CONFIGURATION_SIZE }, |
|
{ set_phy_configuration, MGMT_SET_PHY_CONFIGURATION_SIZE }, |
|
{ set_blocked_keys, MGMT_OP_SET_BLOCKED_KEYS_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ set_wideband_speech, MGMT_SETTING_SIZE }, |
|
{ read_controller_cap, MGMT_READ_CONTROLLER_CAP_SIZE, |
|
HCI_MGMT_UNTRUSTED }, |
|
{ read_exp_features_info, MGMT_READ_EXP_FEATURES_INFO_SIZE, |
|
HCI_MGMT_UNTRUSTED | |
|
HCI_MGMT_HDEV_OPTIONAL }, |
|
{ set_exp_feature, MGMT_SET_EXP_FEATURE_SIZE, |
|
HCI_MGMT_VAR_LEN | |
|
HCI_MGMT_HDEV_OPTIONAL }, |
|
{ read_def_system_config, MGMT_READ_DEF_SYSTEM_CONFIG_SIZE, |
|
HCI_MGMT_UNTRUSTED }, |
|
{ set_def_system_config, MGMT_SET_DEF_SYSTEM_CONFIG_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ read_def_runtime_config, MGMT_READ_DEF_RUNTIME_CONFIG_SIZE, |
|
HCI_MGMT_UNTRUSTED }, |
|
{ set_def_runtime_config, MGMT_SET_DEF_RUNTIME_CONFIG_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ get_device_flags, MGMT_GET_DEVICE_FLAGS_SIZE }, |
|
{ set_device_flags, MGMT_SET_DEVICE_FLAGS_SIZE }, |
|
{ read_adv_mon_features, MGMT_READ_ADV_MONITOR_FEATURES_SIZE }, |
|
{ add_adv_patterns_monitor,MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ remove_adv_monitor, MGMT_REMOVE_ADV_MONITOR_SIZE }, |
|
{ add_ext_adv_params, MGMT_ADD_EXT_ADV_PARAMS_MIN_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ add_ext_adv_data, MGMT_ADD_EXT_ADV_DATA_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
{ add_adv_patterns_monitor_rssi, |
|
MGMT_ADD_ADV_PATTERNS_MONITOR_RSSI_SIZE, |
|
HCI_MGMT_VAR_LEN }, |
|
}; |
|
|
|
void mgmt_index_added(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_ev_ext_index ev; |
|
|
|
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
|
return; |
|
|
|
switch (hdev->dev_type) { |
|
case HCI_PRIMARY: |
|
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { |
|
mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, |
|
NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS); |
|
ev.type = 0x01; |
|
} else { |
|
mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, |
|
HCI_MGMT_INDEX_EVENTS); |
|
ev.type = 0x00; |
|
} |
|
break; |
|
case HCI_AMP: |
|
ev.type = 0x02; |
|
break; |
|
default: |
|
return; |
|
} |
|
|
|
ev.bus = hdev->bus; |
|
|
|
mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev), |
|
HCI_MGMT_EXT_INDEX_EVENTS); |
|
} |
|
|
|
void mgmt_index_removed(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_ev_ext_index ev; |
|
u8 status = MGMT_STATUS_INVALID_INDEX; |
|
|
|
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
|
return; |
|
|
|
switch (hdev->dev_type) { |
|
case HCI_PRIMARY: |
|
mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { |
|
mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, |
|
NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS); |
|
ev.type = 0x01; |
|
} else { |
|
mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, |
|
HCI_MGMT_INDEX_EVENTS); |
|
ev.type = 0x00; |
|
} |
|
break; |
|
case HCI_AMP: |
|
ev.type = 0x02; |
|
break; |
|
default: |
|
return; |
|
} |
|
|
|
ev.bus = hdev->bus; |
|
|
|
mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev), |
|
HCI_MGMT_EXT_INDEX_EVENTS); |
|
} |
|
|
|
/* This function requires the caller holds hdev->lock */ |
|
static void restart_le_actions(struct hci_dev *hdev) |
|
{ |
|
struct hci_conn_params *p; |
|
|
|
list_for_each_entry(p, &hdev->le_conn_params, list) { |
|
/* Needed for AUTO_OFF case where might not "really" |
|
* have been powered off. |
|
*/ |
|
list_del_init(&p->action); |
|
|
|
switch (p->auto_connect) { |
|
case HCI_AUTO_CONN_DIRECT: |
|
case HCI_AUTO_CONN_ALWAYS: |
|
list_add(&p->action, &hdev->pend_le_conns); |
|
break; |
|
case HCI_AUTO_CONN_REPORT: |
|
list_add(&p->action, &hdev->pend_le_reports); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
} |
|
|
|
void mgmt_power_on(struct hci_dev *hdev, int err) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
|
|
bt_dev_dbg(hdev, "err %d", err); |
|
|
|
hci_dev_lock(hdev); |
|
|
|
if (!err) { |
|
restart_le_actions(hdev); |
|
hci_update_background_scan(hdev); |
|
} |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
|
|
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
|
|
hci_dev_unlock(hdev); |
|
} |
|
|
|
void __mgmt_power_off(struct hci_dev *hdev) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
u8 status, zero_cod[] = { 0, 0, 0 }; |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
|
|
|
/* If the power off is because of hdev unregistration let |
|
* use the appropriate INVALID_INDEX status. Otherwise use |
|
* NOT_POWERED. We cover both scenarios here since later in |
|
* mgmt_index_removed() any hci_conn callbacks will have already |
|
* been triggered, potentially causing misleading DISCONNECTED |
|
* status responses. |
|
*/ |
|
if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) |
|
status = MGMT_STATUS_INVALID_INDEX; |
|
else |
|
status = MGMT_STATUS_NOT_POWERED; |
|
|
|
mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); |
|
|
|
if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) { |
|
mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, |
|
zero_cod, sizeof(zero_cod), |
|
HCI_MGMT_DEV_CLASS_EVENTS, NULL); |
|
ext_info_changed(hdev, NULL); |
|
} |
|
|
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
} |
|
|
|
void mgmt_set_powered_failed(struct hci_dev *hdev, int err) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
u8 status; |
|
|
|
cmd = pending_find(MGMT_OP_SET_POWERED, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
if (err == -ERFKILL) |
|
status = MGMT_STATUS_RFKILLED; |
|
else |
|
status = MGMT_STATUS_FAILED; |
|
|
|
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); |
|
|
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
|
bool persistent) |
|
{ |
|
struct mgmt_ev_new_link_key ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
|
|
ev.store_hint = persistent; |
|
bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
|
ev.key.addr.type = BDADDR_BREDR; |
|
ev.key.type = key->type; |
|
memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); |
|
ev.key.pin_len = key->pin_len; |
|
|
|
mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
static u8 mgmt_ltk_type(struct smp_ltk *ltk) |
|
{ |
|
switch (ltk->type) { |
|
case SMP_LTK: |
|
case SMP_LTK_RESPONDER: |
|
if (ltk->authenticated) |
|
return MGMT_LTK_AUTHENTICATED; |
|
return MGMT_LTK_UNAUTHENTICATED; |
|
case SMP_LTK_P256: |
|
if (ltk->authenticated) |
|
return MGMT_LTK_P256_AUTH; |
|
return MGMT_LTK_P256_UNAUTH; |
|
case SMP_LTK_P256_DEBUG: |
|
return MGMT_LTK_P256_DEBUG; |
|
} |
|
|
|
return MGMT_LTK_UNAUTHENTICATED; |
|
} |
|
|
|
void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) |
|
{ |
|
struct mgmt_ev_new_long_term_key ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
|
|
/* Devices using resolvable or non-resolvable random addresses |
|
* without providing an identity resolving key don't require |
|
* to store long term keys. Their addresses will change the |
|
* next time around. |
|
* |
|
* Only when a remote device provides an identity address |
|
* make sure the long term key is stored. If the remote |
|
* identity is known, the long term keys are internally |
|
* mapped to the identity address. So allow static random |
|
* and public addresses here. |
|
*/ |
|
if (key->bdaddr_type == ADDR_LE_DEV_RANDOM && |
|
(key->bdaddr.b[5] & 0xc0) != 0xc0) |
|
ev.store_hint = 0x00; |
|
else |
|
ev.store_hint = persistent; |
|
|
|
bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
|
ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); |
|
ev.key.type = mgmt_ltk_type(key); |
|
ev.key.enc_size = key->enc_size; |
|
ev.key.ediv = key->ediv; |
|
ev.key.rand = key->rand; |
|
|
|
if (key->type == SMP_LTK) |
|
ev.key.initiator = 1; |
|
|
|
/* Make sure we copy only the significant bytes based on the |
|
* encryption key size, and set the rest of the value to zeroes. |
|
*/ |
|
memcpy(ev.key.val, key->val, key->enc_size); |
|
memset(ev.key.val + key->enc_size, 0, |
|
sizeof(ev.key.val) - key->enc_size); |
|
|
|
mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent) |
|
{ |
|
struct mgmt_ev_new_irk ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
|
|
ev.store_hint = persistent; |
|
|
|
bacpy(&ev.rpa, &irk->rpa); |
|
bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); |
|
ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); |
|
memcpy(ev.irk.val, irk->val, sizeof(irk->val)); |
|
|
|
mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, |
|
bool persistent) |
|
{ |
|
struct mgmt_ev_new_csrk ev; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
|
|
/* Devices using resolvable or non-resolvable random addresses |
|
* without providing an identity resolving key don't require |
|
* to store signature resolving keys. Their addresses will change |
|
* the next time around. |
|
* |
|
* Only when a remote device provides an identity address |
|
* make sure the signature resolving key is stored. So allow |
|
* static random and public addresses here. |
|
*/ |
|
if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM && |
|
(csrk->bdaddr.b[5] & 0xc0) != 0xc0) |
|
ev.store_hint = 0x00; |
|
else |
|
ev.store_hint = persistent; |
|
|
|
bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); |
|
ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); |
|
ev.key.type = csrk->type; |
|
memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); |
|
|
|
mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 bdaddr_type, u8 store_hint, u16 min_interval, |
|
u16 max_interval, u16 latency, u16 timeout) |
|
{ |
|
struct mgmt_ev_new_conn_param ev; |
|
|
|
if (!hci_is_identity_address(bdaddr, bdaddr_type)) |
|
return; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type); |
|
ev.store_hint = store_hint; |
|
ev.min_interval = cpu_to_le16(min_interval); |
|
ev.max_interval = cpu_to_le16(max_interval); |
|
ev.latency = cpu_to_le16(latency); |
|
ev.timeout = cpu_to_le16(timeout); |
|
|
|
mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, |
|
u8 *name, u8 name_len) |
|
{ |
|
char buf[512]; |
|
struct mgmt_ev_device_connected *ev = (void *) buf; |
|
u16 eir_len = 0; |
|
u32 flags = 0; |
|
|
|
bacpy(&ev->addr.bdaddr, &conn->dst); |
|
ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); |
|
|
|
if (conn->out) |
|
flags |= MGMT_DEV_FOUND_INITIATED_CONN; |
|
|
|
ev->flags = __cpu_to_le32(flags); |
|
|
|
/* We must ensure that the EIR Data fields are ordered and |
|
* unique. Keep it simple for now and avoid the problem by not |
|
* adding any BR/EDR data to the LE adv. |
|
*/ |
|
if (conn->le_adv_data_len > 0) { |
|
memcpy(&ev->eir[eir_len], |
|
conn->le_adv_data, conn->le_adv_data_len); |
|
eir_len = conn->le_adv_data_len; |
|
} else { |
|
if (name_len > 0) |
|
eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, |
|
name, name_len); |
|
|
|
if (memcmp(conn->dev_class, "\0\0\0", 3) != 0) |
|
eir_len = eir_append_data(ev->eir, eir_len, |
|
EIR_CLASS_OF_DEV, |
|
conn->dev_class, 3); |
|
} |
|
|
|
ev->eir_len = cpu_to_le16(eir_len); |
|
|
|
mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, |
|
sizeof(*ev) + eir_len, NULL); |
|
} |
|
|
|
static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
struct sock **sk = data; |
|
|
|
cmd->cmd_complete(cmd, 0); |
|
|
|
*sk = cmd->sk; |
|
sock_hold(*sk); |
|
|
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
struct hci_dev *hdev = data; |
|
struct mgmt_cp_unpair_device *cp = cmd->param; |
|
|
|
device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); |
|
|
|
cmd->cmd_complete(cmd, 0); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
bool mgmt_powering_down(struct hci_dev *hdev) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
struct mgmt_mode *cp; |
|
|
|
cmd = pending_find(MGMT_OP_SET_POWERED, hdev); |
|
if (!cmd) |
|
return false; |
|
|
|
cp = cmd->param; |
|
if (!cp->val) |
|
return true; |
|
|
|
return false; |
|
} |
|
|
|
void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 reason, |
|
bool mgmt_connected) |
|
{ |
|
struct mgmt_ev_device_disconnected ev; |
|
struct sock *sk = NULL; |
|
|
|
/* The connection is still in hci_conn_hash so test for 1 |
|
* instead of 0 to know if this is the last one. |
|
*/ |
|
if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { |
|
cancel_delayed_work(&hdev->power_off); |
|
queue_work(hdev->req_workqueue, &hdev->power_off.work); |
|
} |
|
|
|
if (!mgmt_connected) |
|
return; |
|
|
|
if (link_type != ACL_LINK && link_type != LE_LINK) |
|
return; |
|
|
|
mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev.reason = reason; |
|
|
|
/* Report disconnects due to suspend */ |
|
if (hdev->suspended) |
|
ev.reason = MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND; |
|
|
|
mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); |
|
|
|
if (sk) |
|
sock_put(sk); |
|
|
|
mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
|
hdev); |
|
} |
|
|
|
void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status) |
|
{ |
|
u8 bdaddr_type = link_to_bdaddr(link_type, addr_type); |
|
struct mgmt_cp_disconnect *cp; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
|
hdev); |
|
|
|
cmd = pending_find(MGMT_OP_DISCONNECT, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
cp = cmd->param; |
|
|
|
if (bacmp(bdaddr, &cp->addr.bdaddr)) |
|
return; |
|
|
|
if (cp->addr.type != bdaddr_type) |
|
return; |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
|
u8 addr_type, u8 status) |
|
{ |
|
struct mgmt_ev_connect_failed ev; |
|
|
|
/* The connection is still in hci_conn_hash so test for 1 |
|
* instead of 0 to know if this is the last one. |
|
*/ |
|
if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { |
|
cancel_delayed_work(&hdev->power_off); |
|
queue_work(hdev->req_workqueue, &hdev->power_off.work); |
|
} |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev.status = mgmt_status(status); |
|
|
|
mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) |
|
{ |
|
struct mgmt_ev_pin_code_request ev; |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = BDADDR_BREDR; |
|
ev.secure = secure; |
|
|
|
mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 status) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); |
|
if (!cmd) |
|
return; |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
} |
|
|
|
int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u32 value, |
|
u8 confirm_hint) |
|
{ |
|
struct mgmt_ev_user_confirm_request ev; |
|
|
|
bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr); |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev.confirm_hint = confirm_hint; |
|
ev.value = cpu_to_le32(value); |
|
|
|
return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), |
|
NULL); |
|
} |
|
|
|
int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type) |
|
{ |
|
struct mgmt_ev_user_passkey_request ev; |
|
|
|
bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr); |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(link_type, addr_type); |
|
|
|
return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), |
|
NULL); |
|
} |
|
|
|
static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status, |
|
u8 opcode) |
|
{ |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
cmd = pending_find(opcode, hdev); |
|
if (!cmd) |
|
return -ENOENT; |
|
|
|
cmd->cmd_complete(cmd, mgmt_status(status)); |
|
mgmt_pending_remove(cmd); |
|
|
|
return 0; |
|
} |
|
|
|
int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status) |
|
{ |
|
return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
|
status, MGMT_OP_USER_CONFIRM_REPLY); |
|
} |
|
|
|
int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status) |
|
{ |
|
return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
|
status, |
|
MGMT_OP_USER_CONFIRM_NEG_REPLY); |
|
} |
|
|
|
int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status) |
|
{ |
|
return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
|
status, MGMT_OP_USER_PASSKEY_REPLY); |
|
} |
|
|
|
int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u8 status) |
|
{ |
|
return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
|
status, |
|
MGMT_OP_USER_PASSKEY_NEG_REPLY); |
|
} |
|
|
|
int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
|
u8 link_type, u8 addr_type, u32 passkey, |
|
u8 entered) |
|
{ |
|
struct mgmt_ev_passkey_notify ev; |
|
|
|
bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr); |
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev.passkey = __cpu_to_le32(passkey); |
|
ev.entered = entered; |
|
|
|
return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status) |
|
{ |
|
struct mgmt_ev_auth_failed ev; |
|
struct mgmt_pending_cmd *cmd; |
|
u8 status = mgmt_status(hci_status); |
|
|
|
bacpy(&ev.addr.bdaddr, &conn->dst); |
|
ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type); |
|
ev.status = status; |
|
|
|
cmd = find_pairing(conn); |
|
|
|
mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev), |
|
cmd ? cmd->sk : NULL); |
|
|
|
if (cmd) { |
|
cmd->cmd_complete(cmd, status); |
|
mgmt_pending_remove(cmd); |
|
} |
|
} |
|
|
|
void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
bool changed; |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, |
|
cmd_status_rsp, &mgmt_err); |
|
return; |
|
} |
|
|
|
if (test_bit(HCI_AUTH, &hdev->flags)) |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY); |
|
else |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY); |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, |
|
&match); |
|
|
|
if (changed) |
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
} |
|
|
|
static void clear_eir(struct hci_request *req) |
|
{ |
|
struct hci_dev *hdev = req->hdev; |
|
struct hci_cp_write_eir cp; |
|
|
|
if (!lmp_ext_inq_capable(hdev)) |
|
return; |
|
|
|
memset(hdev->eir, 0, sizeof(hdev->eir)); |
|
|
|
memset(&cp, 0, sizeof(cp)); |
|
|
|
hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
|
} |
|
|
|
void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev }; |
|
struct hci_request req; |
|
bool changed = false; |
|
|
|
if (status) { |
|
u8 mgmt_err = mgmt_status(status); |
|
|
|
if (enable && hci_dev_test_and_clear_flag(hdev, |
|
HCI_SSP_ENABLED)) { |
|
hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
|
new_settings(hdev, NULL); |
|
} |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, |
|
&mgmt_err); |
|
return; |
|
} |
|
|
|
if (enable) { |
|
changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED); |
|
} else { |
|
changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED); |
|
if (!changed) |
|
changed = hci_dev_test_and_clear_flag(hdev, |
|
HCI_HS_ENABLED); |
|
else |
|
hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
|
} |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); |
|
|
|
if (changed) |
|
new_settings(hdev, match.sk); |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
|
|
hci_req_init(&req, hdev); |
|
|
|
if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
|
if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) |
|
hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE, |
|
sizeof(enable), &enable); |
|
__hci_req_update_eir(&req); |
|
} else { |
|
clear_eir(&req); |
|
} |
|
|
|
hci_req_run(&req, NULL); |
|
} |
|
|
|
static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data) |
|
{ |
|
struct cmd_lookup *match = data; |
|
|
|
if (match->sk == NULL) { |
|
match->sk = cmd->sk; |
|
sock_hold(match->sk); |
|
} |
|
} |
|
|
|
void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
|
u8 status) |
|
{ |
|
struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; |
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); |
|
mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); |
|
mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); |
|
|
|
if (!status) { |
|
mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, |
|
3, HCI_MGMT_DEV_CLASS_EVENTS, NULL); |
|
ext_info_changed(hdev, NULL); |
|
} |
|
|
|
if (match.sk) |
|
sock_put(match.sk); |
|
} |
|
|
|
void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) |
|
{ |
|
struct mgmt_cp_set_local_name ev; |
|
struct mgmt_pending_cmd *cmd; |
|
|
|
if (status) |
|
return; |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); |
|
memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); |
|
|
|
cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
|
if (!cmd) { |
|
memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); |
|
|
|
/* If this is a HCI command related to powering on the |
|
* HCI dev don't send any mgmt signals. |
|
*/ |
|
if (pending_find(MGMT_OP_SET_POWERED, hdev)) |
|
return; |
|
} |
|
|
|
mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), |
|
HCI_MGMT_LOCAL_NAME_EVENTS, cmd ? cmd->sk : NULL); |
|
ext_info_changed(hdev, cmd ? cmd->sk : NULL); |
|
} |
|
|
|
static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16]) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < uuid_count; i++) { |
|
if (!memcmp(uuid, uuids[i], 16)) |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16]) |
|
{ |
|
u16 parsed = 0; |
|
|
|
while (parsed < eir_len) { |
|
u8 field_len = eir[0]; |
|
u8 uuid[16]; |
|
int i; |
|
|
|
if (field_len == 0) |
|
break; |
|
|
|
if (eir_len - parsed < field_len + 1) |
|
break; |
|
|
|
switch (eir[1]) { |
|
case EIR_UUID16_ALL: |
|
case EIR_UUID16_SOME: |
|
for (i = 0; i + 3 <= field_len; i += 2) { |
|
memcpy(uuid, bluetooth_base_uuid, 16); |
|
uuid[13] = eir[i + 3]; |
|
uuid[12] = eir[i + 2]; |
|
if (has_uuid(uuid, uuid_count, uuids)) |
|
return true; |
|
} |
|
break; |
|
case EIR_UUID32_ALL: |
|
case EIR_UUID32_SOME: |
|
for (i = 0; i + 5 <= field_len; i += 4) { |
|
memcpy(uuid, bluetooth_base_uuid, 16); |
|
uuid[15] = eir[i + 5]; |
|
uuid[14] = eir[i + 4]; |
|
uuid[13] = eir[i + 3]; |
|
uuid[12] = eir[i + 2]; |
|
if (has_uuid(uuid, uuid_count, uuids)) |
|
return true; |
|
} |
|
break; |
|
case EIR_UUID128_ALL: |
|
case EIR_UUID128_SOME: |
|
for (i = 0; i + 17 <= field_len; i += 16) { |
|
memcpy(uuid, eir + i + 2, 16); |
|
if (has_uuid(uuid, uuid_count, uuids)) |
|
return true; |
|
} |
|
break; |
|
} |
|
|
|
parsed += field_len + 1; |
|
eir += field_len + 1; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
static void restart_le_scan(struct hci_dev *hdev) |
|
{ |
|
/* If controller is not scanning we are done. */ |
|
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN)) |
|
return; |
|
|
|
if (time_after(jiffies + DISCOV_LE_RESTART_DELAY, |
|
hdev->discovery.scan_start + |
|
hdev->discovery.scan_duration)) |
|
return; |
|
|
|
queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart, |
|
DISCOV_LE_RESTART_DELAY); |
|
} |
|
|
|
static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir, |
|
u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) |
|
{ |
|
/* If a RSSI threshold has been specified, and |
|
* HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with |
|
* a RSSI smaller than the RSSI threshold will be dropped. If the quirk |
|
* is set, let it through for further processing, as we might need to |
|
* restart the scan. |
|
* |
|
* For BR/EDR devices (pre 1.2) providing no RSSI during inquiry, |
|
* the results are also dropped. |
|
*/ |
|
if (hdev->discovery.rssi != HCI_RSSI_INVALID && |
|
(rssi == HCI_RSSI_INVALID || |
|
(rssi < hdev->discovery.rssi && |
|
!test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)))) |
|
return false; |
|
|
|
if (hdev->discovery.uuid_count != 0) { |
|
/* If a list of UUIDs is provided in filter, results with no |
|
* matching UUID should be dropped. |
|
*/ |
|
if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count, |
|
hdev->discovery.uuids) && |
|
!eir_has_uuids(scan_rsp, scan_rsp_len, |
|
hdev->discovery.uuid_count, |
|
hdev->discovery.uuids)) |
|
return false; |
|
} |
|
|
|
/* If duplicate filtering does not report RSSI changes, then restart |
|
* scanning to ensure updated result with updated RSSI values. |
|
*/ |
|
if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) { |
|
restart_le_scan(hdev); |
|
|
|
/* Validate RSSI value against the RSSI threshold once more. */ |
|
if (hdev->discovery.rssi != HCI_RSSI_INVALID && |
|
rssi < hdev->discovery.rssi) |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
|
u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, |
|
u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) |
|
{ |
|
char buf[512]; |
|
struct mgmt_ev_device_found *ev = (void *)buf; |
|
size_t ev_size; |
|
|
|
/* Don't send events for a non-kernel initiated discovery. With |
|
* LE one exception is if we have pend_le_reports > 0 in which |
|
* case we're doing passive scanning and want these events. |
|
*/ |
|
if (!hci_discovery_active(hdev)) { |
|
if (link_type == ACL_LINK) |
|
return; |
|
if (link_type == LE_LINK && |
|
list_empty(&hdev->pend_le_reports) && |
|
!hci_is_adv_monitoring(hdev)) { |
|
return; |
|
} |
|
} |
|
|
|
if (hdev->discovery.result_filtering) { |
|
/* We are using service discovery */ |
|
if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp, |
|
scan_rsp_len)) |
|
return; |
|
} |
|
|
|
if (hdev->discovery.limited) { |
|
/* Check for limited discoverable bit */ |
|
if (dev_class) { |
|
if (!(dev_class[1] & 0x20)) |
|
return; |
|
} else { |
|
u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL); |
|
if (!flags || !(flags[0] & LE_AD_LIMITED)) |
|
return; |
|
} |
|
} |
|
|
|
/* Make sure that the buffer is big enough. The 5 extra bytes |
|
* are for the potential CoD field. |
|
*/ |
|
if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf)) |
|
return; |
|
|
|
memset(buf, 0, sizeof(buf)); |
|
|
|
/* In case of device discovery with BR/EDR devices (pre 1.2), the |
|
* RSSI value was reported as 0 when not available. This behavior |
|
* is kept when using device discovery. This is required for full |
|
* backwards compatibility with the API. |
|
* |
|
* However when using service discovery, the value 127 will be |
|
* returned when the RSSI is not available. |
|
*/ |
|
if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi && |
|
link_type == ACL_LINK) |
|
rssi = 0; |
|
|
|
bacpy(&ev->addr.bdaddr, bdaddr); |
|
ev->addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev->rssi = rssi; |
|
ev->flags = cpu_to_le32(flags); |
|
|
|
if (eir_len > 0) |
|
/* Copy EIR or advertising data into event */ |
|
memcpy(ev->eir, eir, eir_len); |
|
|
|
if (dev_class && !eir_get_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, |
|
NULL)) |
|
eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, |
|
dev_class, 3); |
|
|
|
if (scan_rsp_len > 0) |
|
/* Append scan response data to event */ |
|
memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len); |
|
|
|
ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len); |
|
ev_size = sizeof(*ev) + eir_len + scan_rsp_len; |
|
|
|
mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); |
|
} |
|
|
|
void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
|
u8 addr_type, s8 rssi, u8 *name, u8 name_len) |
|
{ |
|
struct mgmt_ev_device_found *ev; |
|
char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; |
|
u16 eir_len; |
|
|
|
ev = (struct mgmt_ev_device_found *) buf; |
|
|
|
memset(buf, 0, sizeof(buf)); |
|
|
|
bacpy(&ev->addr.bdaddr, bdaddr); |
|
ev->addr.type = link_to_bdaddr(link_type, addr_type); |
|
ev->rssi = rssi; |
|
|
|
eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, |
|
name_len); |
|
|
|
ev->eir_len = cpu_to_le16(eir_len); |
|
|
|
mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); |
|
} |
|
|
|
void mgmt_discovering(struct hci_dev *hdev, u8 discovering) |
|
{ |
|
struct mgmt_ev_discovering ev; |
|
|
|
bt_dev_dbg(hdev, "discovering %u", discovering); |
|
|
|
memset(&ev, 0, sizeof(ev)); |
|
ev.type = hdev->discovery.type; |
|
ev.discovering = discovering; |
|
|
|
mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_suspending(struct hci_dev *hdev, u8 state) |
|
{ |
|
struct mgmt_ev_controller_suspend ev; |
|
|
|
ev.suspend_state = state; |
|
mgmt_event(MGMT_EV_CONTROLLER_SUSPEND, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, |
|
u8 addr_type) |
|
{ |
|
struct mgmt_ev_controller_resume ev; |
|
|
|
ev.wake_reason = reason; |
|
if (bdaddr) { |
|
bacpy(&ev.addr.bdaddr, bdaddr); |
|
ev.addr.type = addr_type; |
|
} else { |
|
memset(&ev.addr, 0, sizeof(ev.addr)); |
|
} |
|
|
|
mgmt_event(MGMT_EV_CONTROLLER_RESUME, hdev, &ev, sizeof(ev), NULL); |
|
} |
|
|
|
static struct hci_mgmt_chan chan = { |
|
.channel = HCI_CHANNEL_CONTROL, |
|
.handler_count = ARRAY_SIZE(mgmt_handlers), |
|
.handlers = mgmt_handlers, |
|
.hdev_init = mgmt_init_hdev, |
|
}; |
|
|
|
int mgmt_init(void) |
|
{ |
|
return hci_mgmt_chan_register(&chan); |
|
} |
|
|
|
void mgmt_exit(void) |
|
{ |
|
hci_mgmt_chan_unregister(&chan); |
|
}
|
|
|