forked from Minki/linux
547003b114
The current "fast connectable" feature is BR/EDR-only, so add a proper check for BR/EDR support before proceeding with the associated HCI commands. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
5129 lines
119 KiB
C
5129 lines
119 KiB
C
/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2010 Nokia Corporation
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Copyright (C) 2011-2012 Intel Corporation
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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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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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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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/* Bluetooth HCI Management interface */
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#include <linux/module.h>
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#include <asm/unaligned.h>
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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/mgmt.h>
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#include "smp.h"
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#define MGMT_VERSION 1
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#define MGMT_REVISION 4
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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_PAIRABLE,
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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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};
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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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};
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#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
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#define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
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!test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
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struct pending_cmd {
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struct list_head list;
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u16 opcode;
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int index;
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void *param;
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struct sock *sk;
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void *user_data;
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};
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/* HCI to MGMT error code conversion table */
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static 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_NOT_PAIRED, /* 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_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_BUSY, /* Role Switch Pending */
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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 cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
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{
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struct sk_buff *skb;
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struct mgmt_hdr *hdr;
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struct mgmt_ev_cmd_status *ev;
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int err;
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BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
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skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
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if (!skb)
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return -ENOMEM;
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hdr = (void *) skb_put(skb, sizeof(*hdr));
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hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_STATUS);
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hdr->index = cpu_to_le16(index);
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hdr->len = cpu_to_le16(sizeof(*ev));
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ev = (void *) skb_put(skb, sizeof(*ev));
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ev->status = status;
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ev->opcode = cpu_to_le16(cmd);
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err = sock_queue_rcv_skb(sk, skb);
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if (err < 0)
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kfree_skb(skb);
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return err;
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}
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static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
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void *rp, size_t rp_len)
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{
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struct sk_buff *skb;
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struct mgmt_hdr *hdr;
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struct mgmt_ev_cmd_complete *ev;
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int err;
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BT_DBG("sock %p", sk);
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skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
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if (!skb)
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return -ENOMEM;
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hdr = (void *) skb_put(skb, sizeof(*hdr));
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hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_COMPLETE);
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hdr->index = cpu_to_le16(index);
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hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
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ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
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ev->opcode = cpu_to_le16(cmd);
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ev->status = status;
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if (rp)
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memcpy(ev->data, rp, rp_len);
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err = sock_queue_rcv_skb(sk, skb);
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if (err < 0)
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kfree_skb(skb);
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return err;
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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_DBG("sock %p", sk);
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rp.version = MGMT_VERSION;
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rp.revision = __constant_cpu_to_le16(MGMT_REVISION);
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return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
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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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const u16 num_commands = ARRAY_SIZE(mgmt_commands);
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const u16 num_events = ARRAY_SIZE(mgmt_events);
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__le16 *opcode;
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size_t rp_size;
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int i, err;
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BT_DBG("sock %p", sk);
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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 = __constant_cpu_to_le16(num_commands);
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rp->num_events = __constant_cpu_to_le16(num_events);
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for (i = 0, opcode = rp->opcodes; 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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err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
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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_DBG("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_BREDR)
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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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count = 0;
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list_for_each_entry(d, &hci_dev_list, list) {
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if (test_bit(HCI_SETUP, &d->dev_flags))
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continue;
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if (test_bit(HCI_USER_CHANNEL, &d->dev_flags))
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continue;
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if (d->dev_type == HCI_BREDR) {
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rp->index[count++] = cpu_to_le16(d->id);
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BT_DBG("Added hci%u", d->id);
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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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read_unlock(&hci_dev_list_lock);
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err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
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rp_len);
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kfree(rp);
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return err;
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}
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static u32 get_supported_settings(struct hci_dev *hdev)
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{
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u32 settings = 0;
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settings |= MGMT_SETTING_POWERED;
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settings |= MGMT_SETTING_PAIRABLE;
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if (lmp_bredr_capable(hdev)) {
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settings |= MGMT_SETTING_CONNECTABLE;
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if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
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settings |= MGMT_SETTING_FAST_CONNECTABLE;
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settings |= MGMT_SETTING_DISCOVERABLE;
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settings |= MGMT_SETTING_BREDR;
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settings |= MGMT_SETTING_LINK_SECURITY;
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if (lmp_ssp_capable(hdev)) {
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settings |= MGMT_SETTING_SSP;
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settings |= MGMT_SETTING_HS;
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}
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}
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if (lmp_le_capable(hdev)) {
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settings |= MGMT_SETTING_LE;
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settings |= MGMT_SETTING_ADVERTISING;
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}
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return settings;
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}
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static u32 get_current_settings(struct hci_dev *hdev)
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{
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u32 settings = 0;
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if (hdev_is_powered(hdev))
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settings |= MGMT_SETTING_POWERED;
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if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
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settings |= MGMT_SETTING_CONNECTABLE;
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if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
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settings |= MGMT_SETTING_FAST_CONNECTABLE;
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if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
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settings |= MGMT_SETTING_DISCOVERABLE;
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if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
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settings |= MGMT_SETTING_PAIRABLE;
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if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
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settings |= MGMT_SETTING_BREDR;
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if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
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settings |= MGMT_SETTING_LE;
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if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
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settings |= MGMT_SETTING_LINK_SECURITY;
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if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
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settings |= MGMT_SETTING_SSP;
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if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
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settings |= MGMT_SETTING_HS;
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if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
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settings |= MGMT_SETTING_ADVERTISING;
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return settings;
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}
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#define PNP_INFO_SVCLASS_ID 0x1200
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static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
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{
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u8 *ptr = data, *uuids_start = NULL;
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struct bt_uuid *uuid;
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if (len < 4)
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return ptr;
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list_for_each_entry(uuid, &hdev->uuids, list) {
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u16 uuid16;
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if (uuid->size != 16)
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continue;
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uuid16 = get_unaligned_le16(&uuid->uuid[12]);
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if (uuid16 < 0x1100)
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continue;
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if (uuid16 == PNP_INFO_SVCLASS_ID)
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continue;
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if (!uuids_start) {
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uuids_start = ptr;
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uuids_start[0] = 1;
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uuids_start[1] = EIR_UUID16_ALL;
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ptr += 2;
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}
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/* Stop if not enough space to put next UUID */
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if ((ptr - data) + sizeof(u16) > len) {
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uuids_start[1] = EIR_UUID16_SOME;
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break;
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}
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*ptr++ = (uuid16 & 0x00ff);
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*ptr++ = (uuid16 & 0xff00) >> 8;
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uuids_start[0] += sizeof(uuid16);
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}
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|
|
|
return ptr;
|
|
}
|
|
|
|
static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
|
|
{
|
|
u8 *ptr = data, *uuids_start = NULL;
|
|
struct bt_uuid *uuid;
|
|
|
|
if (len < 6)
|
|
return ptr;
|
|
|
|
list_for_each_entry(uuid, &hdev->uuids, list) {
|
|
if (uuid->size != 32)
|
|
continue;
|
|
|
|
if (!uuids_start) {
|
|
uuids_start = ptr;
|
|
uuids_start[0] = 1;
|
|
uuids_start[1] = EIR_UUID32_ALL;
|
|
ptr += 2;
|
|
}
|
|
|
|
/* Stop if not enough space to put next UUID */
|
|
if ((ptr - data) + sizeof(u32) > len) {
|
|
uuids_start[1] = EIR_UUID32_SOME;
|
|
break;
|
|
}
|
|
|
|
memcpy(ptr, &uuid->uuid[12], sizeof(u32));
|
|
ptr += sizeof(u32);
|
|
uuids_start[0] += sizeof(u32);
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
|
|
{
|
|
u8 *ptr = data, *uuids_start = NULL;
|
|
struct bt_uuid *uuid;
|
|
|
|
if (len < 18)
|
|
return ptr;
|
|
|
|
list_for_each_entry(uuid, &hdev->uuids, list) {
|
|
if (uuid->size != 128)
|
|
continue;
|
|
|
|
if (!uuids_start) {
|
|
uuids_start = ptr;
|
|
uuids_start[0] = 1;
|
|
uuids_start[1] = EIR_UUID128_ALL;
|
|
ptr += 2;
|
|
}
|
|
|
|
/* Stop if not enough space to put next UUID */
|
|
if ((ptr - data) + 16 > len) {
|
|
uuids_start[1] = EIR_UUID128_SOME;
|
|
break;
|
|
}
|
|
|
|
memcpy(ptr, uuid->uuid, 16);
|
|
ptr += 16;
|
|
uuids_start[0] += 16;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
|
|
if (cmd->opcode == opcode)
|
|
return cmd;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
|
|
{
|
|
u8 ad_len = 0;
|
|
size_t name_len;
|
|
|
|
name_len = strlen(hdev->dev_name);
|
|
if (name_len > 0) {
|
|
size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
|
|
|
|
if (name_len > max_len) {
|
|
name_len = max_len;
|
|
ptr[1] = EIR_NAME_SHORT;
|
|
} else
|
|
ptr[1] = EIR_NAME_COMPLETE;
|
|
|
|
ptr[0] = name_len + 1;
|
|
|
|
memcpy(ptr + 2, hdev->dev_name, name_len);
|
|
|
|
ad_len += (name_len + 2);
|
|
ptr += (name_len + 2);
|
|
}
|
|
|
|
return ad_len;
|
|
}
|
|
|
|
static void update_scan_rsp_data(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_le_set_scan_rsp_data cp;
|
|
u8 len;
|
|
|
|
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
|
|
return;
|
|
|
|
memset(&cp, 0, sizeof(cp));
|
|
|
|
len = create_scan_rsp_data(hdev, cp.data);
|
|
|
|
if (hdev->scan_rsp_data_len == len &&
|
|
memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
|
|
return;
|
|
|
|
memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
|
|
hdev->scan_rsp_data_len = len;
|
|
|
|
cp.length = len;
|
|
|
|
hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
|
|
}
|
|
|
|
static u8 get_adv_discov_flags(struct hci_dev *hdev)
|
|
{
|
|
struct 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 = mgmt_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 (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
|
|
return LE_AD_LIMITED;
|
|
else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
|
|
return LE_AD_GENERAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
|
|
{
|
|
u8 ad_len = 0, flags = 0;
|
|
|
|
flags |= get_adv_discov_flags(hdev);
|
|
|
|
if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
|
|
if (lmp_le_br_capable(hdev))
|
|
flags |= LE_AD_SIM_LE_BREDR_CTRL;
|
|
if (lmp_host_le_br_capable(hdev))
|
|
flags |= LE_AD_SIM_LE_BREDR_HOST;
|
|
} else {
|
|
flags |= LE_AD_NO_BREDR;
|
|
}
|
|
|
|
if (flags) {
|
|
BT_DBG("adv flags 0x%02x", flags);
|
|
|
|
ptr[0] = 2;
|
|
ptr[1] = EIR_FLAGS;
|
|
ptr[2] = flags;
|
|
|
|
ad_len += 3;
|
|
ptr += 3;
|
|
}
|
|
|
|
if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
|
|
ptr[0] = 2;
|
|
ptr[1] = EIR_TX_POWER;
|
|
ptr[2] = (u8) hdev->adv_tx_power;
|
|
|
|
ad_len += 3;
|
|
ptr += 3;
|
|
}
|
|
|
|
return ad_len;
|
|
}
|
|
|
|
static void update_adv_data(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_le_set_adv_data cp;
|
|
u8 len;
|
|
|
|
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
|
|
return;
|
|
|
|
memset(&cp, 0, sizeof(cp));
|
|
|
|
len = create_adv_data(hdev, cp.data);
|
|
|
|
if (hdev->adv_data_len == len &&
|
|
memcmp(cp.data, hdev->adv_data, len) == 0)
|
|
return;
|
|
|
|
memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
|
|
hdev->adv_data_len = len;
|
|
|
|
cp.length = len;
|
|
|
|
hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
|
|
}
|
|
|
|
static void create_eir(struct hci_dev *hdev, u8 *data)
|
|
{
|
|
u8 *ptr = data;
|
|
size_t name_len;
|
|
|
|
name_len = strlen(hdev->dev_name);
|
|
|
|
if (name_len > 0) {
|
|
/* EIR Data type */
|
|
if (name_len > 48) {
|
|
name_len = 48;
|
|
ptr[1] = EIR_NAME_SHORT;
|
|
} else
|
|
ptr[1] = EIR_NAME_COMPLETE;
|
|
|
|
/* EIR Data length */
|
|
ptr[0] = name_len + 1;
|
|
|
|
memcpy(ptr + 2, hdev->dev_name, name_len);
|
|
|
|
ptr += (name_len + 2);
|
|
}
|
|
|
|
if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
|
|
ptr[0] = 2;
|
|
ptr[1] = EIR_TX_POWER;
|
|
ptr[2] = (u8) hdev->inq_tx_power;
|
|
|
|
ptr += 3;
|
|
}
|
|
|
|
if (hdev->devid_source > 0) {
|
|
ptr[0] = 9;
|
|
ptr[1] = EIR_DEVICE_ID;
|
|
|
|
put_unaligned_le16(hdev->devid_source, ptr + 2);
|
|
put_unaligned_le16(hdev->devid_vendor, ptr + 4);
|
|
put_unaligned_le16(hdev->devid_product, ptr + 6);
|
|
put_unaligned_le16(hdev->devid_version, ptr + 8);
|
|
|
|
ptr += 10;
|
|
}
|
|
|
|
ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
|
|
ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
|
|
ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
|
|
}
|
|
|
|
static void update_eir(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_write_eir cp;
|
|
|
|
if (!hdev_is_powered(hdev))
|
|
return;
|
|
|
|
if (!lmp_ext_inq_capable(hdev))
|
|
return;
|
|
|
|
if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
|
|
return;
|
|
|
|
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
|
|
return;
|
|
|
|
memset(&cp, 0, sizeof(cp));
|
|
|
|
create_eir(hdev, cp.data);
|
|
|
|
if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
|
|
return;
|
|
|
|
memcpy(hdev->eir, cp.data, sizeof(cp.data));
|
|
|
|
hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
|
|
}
|
|
|
|
static u8 get_service_classes(struct hci_dev *hdev)
|
|
{
|
|
struct bt_uuid *uuid;
|
|
u8 val = 0;
|
|
|
|
list_for_each_entry(uuid, &hdev->uuids, list)
|
|
val |= uuid->svc_hint;
|
|
|
|
return val;
|
|
}
|
|
|
|
static void update_class(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
u8 cod[3];
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!hdev_is_powered(hdev))
|
|
return;
|
|
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
return;
|
|
|
|
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
|
|
return;
|
|
|
|
cod[0] = hdev->minor_class;
|
|
cod[1] = hdev->major_class;
|
|
cod[2] = get_service_classes(hdev);
|
|
|
|
if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
|
|
cod[1] |= 0x20;
|
|
|
|
if (memcmp(cod, hdev->dev_class, 3) == 0)
|
|
return;
|
|
|
|
hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
|
|
}
|
|
|
|
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 (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
|
|
return;
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
update_eir(&req);
|
|
update_class(&req);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
hci_req_run(&req, NULL);
|
|
}
|
|
|
|
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
|
|
{
|
|
if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
|
|
return;
|
|
|
|
INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
|
|
|
|
/* 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
|
|
*/
|
|
clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
|
|
}
|
|
|
|
static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
|
|
void *data, u16 data_len)
|
|
{
|
|
struct mgmt_rp_read_info rp;
|
|
|
|
BT_DBG("sock %p %s", sk, hdev->name);
|
|
|
|
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 cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
|
|
sizeof(rp));
|
|
}
|
|
|
|
static void mgmt_pending_free(struct pending_cmd *cmd)
|
|
{
|
|
sock_put(cmd->sk);
|
|
kfree(cmd->param);
|
|
kfree(cmd);
|
|
}
|
|
|
|
static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
|
|
struct hci_dev *hdev, void *data,
|
|
u16 len)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd)
|
|
return NULL;
|
|
|
|
cmd->opcode = opcode;
|
|
cmd->index = hdev->id;
|
|
|
|
cmd->param = kmalloc(len, GFP_KERNEL);
|
|
if (!cmd->param) {
|
|
kfree(cmd);
|
|
return NULL;
|
|
}
|
|
|
|
if (data)
|
|
memcpy(cmd->param, data, len);
|
|
|
|
cmd->sk = sk;
|
|
sock_hold(sk);
|
|
|
|
list_add(&cmd->list, &hdev->mgmt_pending);
|
|
|
|
return cmd;
|
|
}
|
|
|
|
static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
|
|
void (*cb)(struct pending_cmd *cmd,
|
|
void *data),
|
|
void *data)
|
|
{
|
|
struct pending_cmd *cmd, *tmp;
|
|
|
|
list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
|
|
if (opcode > 0 && cmd->opcode != opcode)
|
|
continue;
|
|
|
|
cb(cmd, data);
|
|
}
|
|
}
|
|
|
|
static void mgmt_pending_remove(struct pending_cmd *cmd)
|
|
{
|
|
list_del(&cmd->list);
|
|
mgmt_pending_free(cmd);
|
|
}
|
|
|
|
static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
|
|
{
|
|
__le32 settings = cpu_to_le32(get_current_settings(hdev));
|
|
|
|
return cmd_complete(sk, hdev->id, opcode, 0, &settings,
|
|
sizeof(settings));
|
|
}
|
|
|
|
static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
|
|
u16 len)
|
|
{
|
|
struct mgmt_mode *cp = data;
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
|
|
MGMT_STATUS_BUSY);
|
|
goto failed;
|
|
}
|
|
|
|
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
|
|
cancel_delayed_work(&hdev->power_off);
|
|
|
|
if (cp->val) {
|
|
mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
|
|
data, len);
|
|
err = mgmt_powered(hdev, 1);
|
|
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);
|
|
else
|
|
queue_work(hdev->req_workqueue, &hdev->power_off.work);
|
|
|
|
err = 0;
|
|
|
|
failed:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
|
|
struct sock *skip_sk)
|
|
{
|
|
struct sk_buff *skb;
|
|
struct mgmt_hdr *hdr;
|
|
|
|
skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
|
|
if (!skb)
|
|
return -ENOMEM;
|
|
|
|
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
|
hdr->opcode = cpu_to_le16(event);
|
|
if (hdev)
|
|
hdr->index = cpu_to_le16(hdev->id);
|
|
else
|
|
hdr->index = __constant_cpu_to_le16(MGMT_INDEX_NONE);
|
|
hdr->len = cpu_to_le16(data_len);
|
|
|
|
if (data)
|
|
memcpy(skb_put(skb, data_len), data, data_len);
|
|
|
|
/* Time stamp */
|
|
__net_timestamp(skb);
|
|
|
|
hci_send_to_control(skb, skip_sk);
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int new_settings(struct hci_dev *hdev, struct sock *skip)
|
|
{
|
|
__le32 ev;
|
|
|
|
ev = cpu_to_le32(get_current_settings(hdev));
|
|
|
|
return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
|
|
}
|
|
|
|
struct cmd_lookup {
|
|
struct sock *sk;
|
|
struct hci_dev *hdev;
|
|
u8 mgmt_status;
|
|
};
|
|
|
|
static void settings_rsp(struct 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 pending_cmd *cmd, void *data)
|
|
{
|
|
u8 *status = data;
|
|
|
|
cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
static u8 mgmt_bredr_support(struct hci_dev *hdev)
|
|
{
|
|
if (!lmp_bredr_capable(hdev))
|
|
return MGMT_STATUS_NOT_SUPPORTED;
|
|
else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
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 (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
|
|
return MGMT_STATUS_REJECTED;
|
|
else
|
|
return MGMT_STATUS_SUCCESS;
|
|
}
|
|
|
|
static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_mode *cp;
|
|
struct hci_request req;
|
|
bool changed;
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
|
|
if (!cmd)
|
|
goto unlock;
|
|
|
|
if (status) {
|
|
u8 mgmt_err = mgmt_status(status);
|
|
cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
goto remove_cmd;
|
|
}
|
|
|
|
cp = cmd->param;
|
|
if (cp->val) {
|
|
changed = !test_and_set_bit(HCI_DISCOVERABLE,
|
|
&hdev->dev_flags);
|
|
|
|
if (hdev->discov_timeout > 0) {
|
|
int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
|
|
queue_delayed_work(hdev->workqueue, &hdev->discov_off,
|
|
to);
|
|
}
|
|
} else {
|
|
changed = test_and_clear_bit(HCI_DISCOVERABLE,
|
|
&hdev->dev_flags);
|
|
}
|
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
|
|
|
|
if (changed)
|
|
new_settings(hdev, cmd->sk);
|
|
|
|
/* When the discoverable mode gets changed, make sure
|
|
* that class of device has the limited discoverable
|
|
* bit correctly set.
|
|
*/
|
|
hci_req_init(&req, hdev);
|
|
update_class(&req);
|
|
hci_req_run(&req, NULL);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
u16 timeout;
|
|
u8 scan;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
|
|
!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
|
|
MGMT_STATUS_REJECTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
|
|
return 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 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 = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
|
|
MGMT_STATUS_NOT_POWERED);
|
|
goto failed;
|
|
}
|
|
|
|
if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
|
|
mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
|
|
MGMT_STATUS_BUSY);
|
|
goto failed;
|
|
}
|
|
|
|
if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
|
|
MGMT_STATUS_REJECTED);
|
|
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 != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
|
|
change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
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 == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
|
|
(cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
|
|
&hdev->dev_flags)) {
|
|
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->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;
|
|
|
|
/* Limited discoverable mode */
|
|
if (cp->val == 0x02)
|
|
set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
else
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
/* The procedure for LE-only controllers is much simpler - just
|
|
* update the advertising data.
|
|
*/
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
goto update_ad;
|
|
|
|
scan = SCAN_PAGE;
|
|
|
|
if (cp->val) {
|
|
struct hci_cp_write_current_iac_lap hci_cp;
|
|
|
|
if (cp->val == 0x02) {
|
|
/* Limited discoverable mode */
|
|
hci_cp.num_iac = 2;
|
|
hci_cp.iac_lap[0] = 0x00; /* LIAC */
|
|
hci_cp.iac_lap[1] = 0x8b;
|
|
hci_cp.iac_lap[2] = 0x9e;
|
|
hci_cp.iac_lap[3] = 0x33; /* GIAC */
|
|
hci_cp.iac_lap[4] = 0x8b;
|
|
hci_cp.iac_lap[5] = 0x9e;
|
|
} else {
|
|
/* General discoverable mode */
|
|
hci_cp.num_iac = 1;
|
|
hci_cp.iac_lap[0] = 0x33; /* GIAC */
|
|
hci_cp.iac_lap[1] = 0x8b;
|
|
hci_cp.iac_lap[2] = 0x9e;
|
|
}
|
|
|
|
hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
|
|
(hci_cp.num_iac * 3) + 1, &hci_cp);
|
|
|
|
scan |= SCAN_INQUIRY;
|
|
} else {
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
}
|
|
|
|
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
|
|
|
|
update_ad:
|
|
update_adv_data(&req);
|
|
|
|
err = hci_req_run(&req, set_discoverable_complete);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static void write_fast_connectable(struct hci_request *req, bool enable)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_write_page_scan_activity acp;
|
|
u8 type;
|
|
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
return;
|
|
|
|
if (hdev->hci_ver < BLUETOOTH_VER_1_2)
|
|
return;
|
|
|
|
if (enable) {
|
|
type = PAGE_SCAN_TYPE_INTERLACED;
|
|
|
|
/* 160 msec page scan interval */
|
|
acp.interval = __constant_cpu_to_le16(0x0100);
|
|
} else {
|
|
type = PAGE_SCAN_TYPE_STANDARD; /* default */
|
|
|
|
/* default 1.28 sec page scan */
|
|
acp.interval = __constant_cpu_to_le16(0x0800);
|
|
}
|
|
|
|
acp.window = __constant_cpu_to_le16(0x0012);
|
|
|
|
if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
|
|
__cpu_to_le16(hdev->page_scan_window) != acp.window)
|
|
hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
|
|
sizeof(acp), &acp);
|
|
|
|
if (hdev->page_scan_type != type)
|
|
hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
|
|
}
|
|
|
|
static u8 get_adv_type(struct hci_dev *hdev)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
bool connectable;
|
|
|
|
/* If there's a pending mgmt command the flag will not yet have
|
|
* it's final value, so check for this first.
|
|
*/
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
|
|
if (cmd) {
|
|
struct mgmt_mode *cp = cmd->param;
|
|
connectable = !!cp->val;
|
|
} else {
|
|
connectable = test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
}
|
|
|
|
return connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
|
|
}
|
|
|
|
static void enable_advertising(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_le_set_adv_param cp;
|
|
u8 enable = 0x01;
|
|
|
|
memset(&cp, 0, sizeof(cp));
|
|
cp.min_interval = __constant_cpu_to_le16(0x0800);
|
|
cp.max_interval = __constant_cpu_to_le16(0x0800);
|
|
cp.type = get_adv_type(hdev);
|
|
cp.own_address_type = hdev->own_addr_type;
|
|
cp.channel_map = 0x07;
|
|
|
|
hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
|
|
|
|
hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
|
|
}
|
|
|
|
static void disable_advertising(struct hci_request *req)
|
|
{
|
|
u8 enable = 0x00;
|
|
|
|
hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
|
|
}
|
|
|
|
static void set_connectable_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_mode *cp;
|
|
bool changed;
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
|
|
if (!cmd)
|
|
goto unlock;
|
|
|
|
if (status) {
|
|
u8 mgmt_err = mgmt_status(status);
|
|
cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
|
|
goto remove_cmd;
|
|
}
|
|
|
|
cp = cmd->param;
|
|
if (cp->val)
|
|
changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
else
|
|
changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
|
|
send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
|
|
|
|
if (changed)
|
|
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 != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
|
|
changed = true;
|
|
|
|
if (val) {
|
|
set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
} else {
|
|
clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
}
|
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (changed)
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
u8 scan;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
|
|
!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
|
|
MGMT_STATUS_REJECTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return 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 (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
|
|
mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
|
|
err = 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;
|
|
}
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
/* If BR/EDR is not enabled and we disable advertising as a
|
|
* by-product of disabling connectable, we need to update the
|
|
* advertising flags.
|
|
*/
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
|
|
if (!cp->val) {
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
}
|
|
update_adv_data(&req);
|
|
} else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
|
|
if (cp->val) {
|
|
scan = SCAN_PAGE;
|
|
} else {
|
|
scan = 0;
|
|
|
|
if (test_bit(HCI_ISCAN, &hdev->flags) &&
|
|
hdev->discov_timeout > 0)
|
|
cancel_delayed_work(&hdev->discov_off);
|
|
}
|
|
|
|
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
|
|
}
|
|
|
|
/* If we're going from non-connectable to connectable or
|
|
* vice-versa when fast connectable is enabled ensure that fast
|
|
* connectable gets disabled. write_fast_connectable won't do
|
|
* anything if the page scan parameters are already what they
|
|
* should be.
|
|
*/
|
|
if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
|
|
write_fast_connectable(&req, false);
|
|
|
|
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) &&
|
|
hci_conn_num(hdev, LE_LINK) == 0) {
|
|
disable_advertising(&req);
|
|
enable_advertising(&req);
|
|
}
|
|
|
|
err = hci_req_run(&req, set_connectable_complete);
|
|
if (err < 0) {
|
|
mgmt_pending_remove(cmd);
|
|
if (err == -ENODATA)
|
|
err = set_connectable_update_settings(hdev, sk,
|
|
cp->val);
|
|
goto failed;
|
|
}
|
|
|
|
failed:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data,
|
|
u16 len)
|
|
{
|
|
struct mgmt_mode *cp = data;
|
|
bool changed;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (cp->val)
|
|
changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags);
|
|
else
|
|
changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
|
|
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
|
|
if (err < 0)
|
|
goto unlock;
|
|
|
|
if (changed)
|
|
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 pending_cmd *cmd;
|
|
u8 val, status;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
status = mgmt_bredr_support(hdev);
|
|
if (status)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
|
|
status);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return 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 != test_bit(HCI_LINK_SECURITY,
|
|
&hdev->dev_flags)) {
|
|
change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
|
|
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 (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
|
|
err = 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 pending_cmd *cmd;
|
|
u8 status;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
status = mgmt_bredr_support(hdev);
|
|
if (status)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
|
|
|
|
if (!lmp_ssp_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return 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 = !test_and_set_bit(HCI_SSP_ENABLED,
|
|
&hdev->dev_flags);
|
|
} else {
|
|
changed = test_and_clear_bit(HCI_SSP_ENABLED,
|
|
&hdev->dev_flags);
|
|
if (!changed)
|
|
changed = test_and_clear_bit(HCI_HS_ENABLED,
|
|
&hdev->dev_flags);
|
|
else
|
|
clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
}
|
|
|
|
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 (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
|
|
mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
|
|
MGMT_STATUS_BUSY);
|
|
goto failed;
|
|
}
|
|
|
|
if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
|
|
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;
|
|
}
|
|
|
|
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_DBG("request for %s", hdev->name);
|
|
|
|
status = mgmt_bredr_support(hdev);
|
|
if (status)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
|
|
|
|
if (!lmp_ssp_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
|
|
MGMT_STATUS_REJECTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (cp->val) {
|
|
changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
} else {
|
|
if (hdev_is_powered(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
|
|
MGMT_STATUS_REJECTED);
|
|
goto unlock;
|
|
}
|
|
|
|
changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
}
|
|
|
|
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)
|
|
{
|
|
struct cmd_lookup match = { NULL, hdev };
|
|
|
|
if (status) {
|
|
u8 mgmt_err = mgmt_status(status);
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
|
|
&mgmt_err);
|
|
return;
|
|
}
|
|
|
|
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 (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
|
|
struct hci_request req;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
hci_req_init(&req, hdev);
|
|
update_adv_data(&req);
|
|
update_scan_rsp_data(&req);
|
|
hci_req_run(&req, NULL);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
int err;
|
|
u8 val, enabled;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!lmp_le_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
/* LE-only devices do not allow toggling LE on/off */
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
return 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 (!hdev_is_powered(hdev) || val == enabled) {
|
|
bool changed = false;
|
|
|
|
if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
|
|
change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
|
|
changed = true;
|
|
}
|
|
|
|
if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
|
|
clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
|
|
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 (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
|
|
mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
|
|
err = 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 = lmp_le_br_capable(hdev);
|
|
} else {
|
|
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
|
|
disable_advertising(&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 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 pending_cmd *cmd;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_pending_find(mgmt_op, hdev);
|
|
if (!cmd)
|
|
goto unlock;
|
|
|
|
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)
|
|
{
|
|
BT_DBG("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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
struct bt_uuid *uuid;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (pending_eir_or_class(hdev)) {
|
|
err = 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);
|
|
|
|
update_class(&req);
|
|
update_eir(&req);
|
|
|
|
err = hci_req_run(&req, add_uuid_complete);
|
|
if (err < 0) {
|
|
if (err != -ENODATA)
|
|
goto failed;
|
|
|
|
err = 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 (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
|
|
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)
|
|
{
|
|
BT_DBG("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 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_DBG("request for %s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (pending_eir_or_class(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
|
|
MGMT_STATUS_BUSY);
|
|
goto unlock;
|
|
}
|
|
|
|
if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
|
|
err = hci_uuids_clear(hdev);
|
|
|
|
if (enable_service_cache(hdev)) {
|
|
err = 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 = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
goto unlock;
|
|
}
|
|
|
|
update_class:
|
|
hci_req_init(&req, hdev);
|
|
|
|
update_class(&req);
|
|
update_eir(&req);
|
|
|
|
err = hci_req_run(&req, remove_uuid_complete);
|
|
if (err < 0) {
|
|
if (err != -ENODATA)
|
|
goto unlock;
|
|
|
|
err = 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)
|
|
{
|
|
BT_DBG("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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!lmp_bredr_capable(hdev))
|
|
return 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 = 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 = 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 = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
|
|
hdev->dev_class, 3);
|
|
goto unlock;
|
|
}
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
|
|
hci_dev_unlock(hdev);
|
|
cancel_delayed_work_sync(&hdev->service_cache);
|
|
hci_dev_lock(hdev);
|
|
update_eir(&req);
|
|
}
|
|
|
|
update_class(&req);
|
|
|
|
err = hci_req_run(&req, set_class_complete);
|
|
if (err < 0) {
|
|
if (err != -ENODATA)
|
|
goto unlock;
|
|
|
|
err = 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;
|
|
u16 key_count, expected_len;
|
|
int i;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!lmp_bredr_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
key_count = __le16_to_cpu(cp->key_count);
|
|
|
|
expected_len = sizeof(*cp) + key_count *
|
|
sizeof(struct mgmt_link_key_info);
|
|
if (expected_len != len) {
|
|
BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
|
|
len, expected_len);
|
|
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
}
|
|
|
|
if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
BT_DBG("%s debug_keys %u key_count %u", hdev->name, 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)
|
|
return 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)
|
|
set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
|
|
else
|
|
clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
|
|
|
|
for (i = 0; i < key_count; i++) {
|
|
struct mgmt_link_key_info *key = &cp->keys[i];
|
|
|
|
hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val,
|
|
key->type, key->pin_len);
|
|
}
|
|
|
|
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_cp_disconnect dc;
|
|
struct pending_cmd *cmd;
|
|
struct hci_conn *conn;
|
|
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 cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
|
|
MGMT_STATUS_INVALID_PARAMS,
|
|
&rp, sizeof(rp));
|
|
|
|
if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
|
|
return 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 = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
|
|
MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
|
|
goto unlock;
|
|
}
|
|
|
|
if (cp->addr.type == BDADDR_BREDR)
|
|
err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
|
|
else
|
|
err = hci_remove_ltk(hdev, &cp->addr.bdaddr);
|
|
|
|
if (err < 0) {
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
|
|
MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
|
|
goto unlock;
|
|
}
|
|
|
|
if (cp->disconnect) {
|
|
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);
|
|
} else {
|
|
conn = NULL;
|
|
}
|
|
|
|
if (!conn) {
|
|
err = 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;
|
|
}
|
|
|
|
dc.handle = cpu_to_le16(conn->handle);
|
|
dc.reason = 0x13; /* Remote User Terminated Connection */
|
|
err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
|
|
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 hci_cp_disconnect dc;
|
|
struct pending_cmd *cmd;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
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 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 = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
|
|
MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
|
|
goto failed;
|
|
}
|
|
|
|
if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
|
|
err = 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_ba(hdev, LE_LINK, &cp->addr.bdaddr);
|
|
|
|
if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
|
|
err = 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;
|
|
}
|
|
|
|
dc.handle = cpu_to_le16(conn->handle);
|
|
dc.reason = HCI_ERROR_REMOTE_USER_TERM;
|
|
|
|
err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
|
|
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;
|
|
size_t rp_len;
|
|
int err;
|
|
u16 i;
|
|
|
|
BT_DBG("");
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = 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_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
|
|
rp = kmalloc(rp_len, 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 */
|
|
rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
|
|
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
|
|
rp_len);
|
|
|
|
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 pending_cmd *cmd;
|
|
int err;
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
|
|
sizeof(*cp));
|
|
if (!cmd)
|
|
return -ENOMEM;
|
|
|
|
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 pending_cmd *cmd;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = 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 = 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_ERR("PIN code is not 16 bytes long");
|
|
|
|
err = send_pin_code_neg_reply(sk, hdev, &ncp);
|
|
if (err >= 0)
|
|
err = 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;
|
|
}
|
|
|
|
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_DBG("");
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
hdev->io_capability = cp->io_capability;
|
|
|
|
BT_DBG("%s IO capability set to 0x%02x", hdev->name,
|
|
hdev->io_capability);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
|
|
0);
|
|
}
|
|
|
|
static struct pending_cmd *find_pairing(struct hci_conn *conn)
|
|
{
|
|
struct hci_dev *hdev = conn->hdev;
|
|
struct 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 void pairing_complete(struct pending_cmd *cmd, u8 status)
|
|
{
|
|
struct mgmt_rp_pair_device rp;
|
|
struct hci_conn *conn = cmd->user_data;
|
|
|
|
bacpy(&rp.addr.bdaddr, &conn->dst);
|
|
rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
|
|
|
|
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);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
static void pairing_complete_cb(struct hci_conn *conn, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("status %u", status);
|
|
|
|
cmd = find_pairing(conn);
|
|
if (!cmd)
|
|
BT_DBG("Unable to find a pending command");
|
|
else
|
|
pairing_complete(cmd, mgmt_status(status));
|
|
}
|
|
|
|
static void le_connect_complete_cb(struct hci_conn *conn, u8 status)
|
|
{
|
|
struct 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");
|
|
else
|
|
pairing_complete(cmd, mgmt_status(status));
|
|
}
|
|
|
|
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 pending_cmd *cmd;
|
|
u8 sec_level, auth_type;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
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 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 = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
|
|
MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
|
|
goto unlock;
|
|
}
|
|
|
|
sec_level = BT_SECURITY_MEDIUM;
|
|
if (cp->io_cap == 0x03)
|
|
auth_type = HCI_AT_DEDICATED_BONDING;
|
|
else
|
|
auth_type = HCI_AT_DEDICATED_BONDING_MITM;
|
|
|
|
if (cp->addr.type == BDADDR_BREDR)
|
|
conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr,
|
|
cp->addr.type, sec_level, auth_type);
|
|
else
|
|
conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr,
|
|
cp->addr.type, sec_level, auth_type);
|
|
|
|
if (IS_ERR(conn)) {
|
|
int status;
|
|
|
|
if (PTR_ERR(conn) == -EBUSY)
|
|
status = MGMT_STATUS_BUSY;
|
|
else
|
|
status = MGMT_STATUS_CONNECT_FAILED;
|
|
|
|
err = 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 = 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;
|
|
}
|
|
|
|
/* 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;
|
|
else
|
|
conn->connect_cfm_cb = le_connect_complete_cb;
|
|
|
|
conn->security_cfm_cb = pairing_complete_cb;
|
|
conn->disconn_cfm_cb = pairing_complete_cb;
|
|
conn->io_capability = cp->io_cap;
|
|
cmd->user_data = conn;
|
|
|
|
if (conn->state == BT_CONNECTED &&
|
|
hci_conn_security(conn, sec_level, auth_type))
|
|
pairing_complete(cmd, 0);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
|
|
MGMT_STATUS_NOT_POWERED);
|
|
goto unlock;
|
|
}
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
|
|
if (!cmd) {
|
|
err = 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 = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
goto unlock;
|
|
}
|
|
|
|
pairing_complete(cmd, MGMT_STATUS_CANCELLED);
|
|
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
|
|
addr, sizeof(*addr));
|
|
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 pending_cmd *cmd;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = 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_ba(hdev, LE_LINK, &addr->bdaddr);
|
|
|
|
if (!conn) {
|
|
err = 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) {
|
|
/* Continue with pairing via SMP */
|
|
err = smp_user_confirm_reply(conn, mgmt_op, passkey);
|
|
|
|
if (!err)
|
|
err = cmd_complete(sk, hdev->id, mgmt_op,
|
|
MGMT_STATUS_SUCCESS, addr,
|
|
sizeof(*addr));
|
|
else
|
|
err = 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;
|
|
}
|
|
|
|
/* 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_DBG("");
|
|
|
|
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_DBG("");
|
|
|
|
if (len != sizeof(*cp))
|
|
return 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_DBG("");
|
|
|
|
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_DBG("");
|
|
|
|
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_DBG("");
|
|
|
|
return user_pairing_resp(sk, hdev, &cp->addr,
|
|
MGMT_OP_USER_PASSKEY_NEG_REPLY,
|
|
HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
|
|
}
|
|
|
|
static void update_name(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
struct hci_cp_write_local_name cp;
|
|
|
|
memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
|
|
|
|
hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
|
|
}
|
|
|
|
static void set_name_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct mgmt_cp_set_local_name *cp;
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
|
|
if (!cmd)
|
|
goto unlock;
|
|
|
|
cp = cmd->param;
|
|
|
|
if (status)
|
|
cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
|
|
mgmt_status(status));
|
|
else
|
|
cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
|
|
cp, sizeof(*cp));
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
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 = 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 = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
|
|
data, len);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
|
|
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)) {
|
|
update_name(&req);
|
|
update_eir(&req);
|
|
}
|
|
|
|
/* The name is stored in the scan response data and so
|
|
* no need to udpate the advertising data here.
|
|
*/
|
|
if (lmp_le_capable(hdev))
|
|
update_scan_rsp_data(&req);
|
|
|
|
err = hci_req_run(&req, set_name_complete);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
|
|
void *data, u16 data_len)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
|
|
MGMT_STATUS_NOT_POWERED);
|
|
goto unlock;
|
|
}
|
|
|
|
if (!lmp_ssp_capable(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
goto unlock;
|
|
}
|
|
|
|
if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
|
|
err = 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;
|
|
}
|
|
|
|
err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
|
|
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_cp_add_remote_oob_data *cp = data;
|
|
u8 status;
|
|
int err;
|
|
|
|
BT_DBG("%s ", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash,
|
|
cp->randomizer);
|
|
if (err < 0)
|
|
status = MGMT_STATUS_FAILED;
|
|
else
|
|
status = MGMT_STATUS_SUCCESS;
|
|
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status,
|
|
&cp->addr, sizeof(cp->addr));
|
|
|
|
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_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
|
|
if (err < 0)
|
|
status = MGMT_STATUS_INVALID_PARAMS;
|
|
else
|
|
status = MGMT_STATUS_SUCCESS;
|
|
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
|
|
status, &cp->addr, sizeof(cp->addr));
|
|
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
u8 type;
|
|
int err;
|
|
|
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
type = hdev->discovery.type;
|
|
|
|
err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
|
|
&type, sizeof(type));
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void start_discovery_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
BT_DBG("status %d", status);
|
|
|
|
if (status) {
|
|
hci_dev_lock(hdev);
|
|
mgmt_start_discovery_failed(hdev, status);
|
|
hci_dev_unlock(hdev);
|
|
return;
|
|
}
|
|
|
|
hci_dev_lock(hdev);
|
|
hci_discovery_set_state(hdev, DISCOVERY_FINDING);
|
|
hci_dev_unlock(hdev);
|
|
|
|
switch (hdev->discovery.type) {
|
|
case DISCOV_TYPE_LE:
|
|
queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable,
|
|
DISCOV_LE_TIMEOUT);
|
|
break;
|
|
|
|
case DISCOV_TYPE_INTERLEAVED:
|
|
queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable,
|
|
DISCOV_INTERLEAVED_TIMEOUT);
|
|
break;
|
|
|
|
case DISCOV_TYPE_BREDR:
|
|
break;
|
|
|
|
default:
|
|
BT_ERR("Invalid discovery type %d", hdev->discovery.type);
|
|
}
|
|
}
|
|
|
|
static int start_discovery(struct sock *sk, struct hci_dev *hdev,
|
|
void *data, u16 len)
|
|
{
|
|
struct mgmt_cp_start_discovery *cp = data;
|
|
struct pending_cmd *cmd;
|
|
struct hci_cp_le_set_scan_param param_cp;
|
|
struct hci_cp_le_set_scan_enable enable_cp;
|
|
struct hci_cp_inquiry inq_cp;
|
|
struct hci_request req;
|
|
/* General inquiry access code (GIAC) */
|
|
u8 lap[3] = { 0x33, 0x8b, 0x9e };
|
|
u8 status;
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_NOT_POWERED);
|
|
goto failed;
|
|
}
|
|
|
|
if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_BUSY);
|
|
goto failed;
|
|
}
|
|
|
|
if (hdev->discovery.state != DISCOVERY_STOPPED) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_BUSY);
|
|
goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
hdev->discovery.type = cp->type;
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
switch (hdev->discovery.type) {
|
|
case DISCOV_TYPE_BREDR:
|
|
status = mgmt_bredr_support(hdev);
|
|
if (status) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
status);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
if (test_bit(HCI_INQUIRY, &hdev->flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_BUSY);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
hci_inquiry_cache_flush(hdev);
|
|
|
|
memset(&inq_cp, 0, sizeof(inq_cp));
|
|
memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
|
|
inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
|
|
hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
|
|
break;
|
|
|
|
case DISCOV_TYPE_LE:
|
|
case DISCOV_TYPE_INTERLEAVED:
|
|
status = mgmt_le_support(hdev);
|
|
if (status) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
status);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
|
|
!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_REJECTED);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_BUSY);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
memset(¶m_cp, 0, sizeof(param_cp));
|
|
param_cp.type = LE_SCAN_ACTIVE;
|
|
param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
|
|
param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
|
|
param_cp.own_address_type = hdev->own_addr_type;
|
|
hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
|
|
¶m_cp);
|
|
|
|
memset(&enable_cp, 0, sizeof(enable_cp));
|
|
enable_cp.enable = LE_SCAN_ENABLE;
|
|
enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
|
|
hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
|
|
&enable_cp);
|
|
break;
|
|
|
|
default:
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
mgmt_pending_remove(cmd);
|
|
goto failed;
|
|
}
|
|
|
|
err = hci_req_run(&req, start_discovery_complete);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
else
|
|
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
|
|
|
|
failed:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
|
|
&hdev->discovery.type, sizeof(hdev->discovery.type));
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
BT_DBG("status %d", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (status) {
|
|
mgmt_stop_discovery_failed(hdev, status);
|
|
goto unlock;
|
|
}
|
|
|
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
|
|
|
|
unlock:
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
|
|
u16 len)
|
|
{
|
|
struct mgmt_cp_stop_discovery *mgmt_cp = data;
|
|
struct pending_cmd *cmd;
|
|
struct hci_cp_remote_name_req_cancel cp;
|
|
struct inquiry_entry *e;
|
|
struct hci_request req;
|
|
struct hci_cp_le_set_scan_enable enable_cp;
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hci_discovery_active(hdev)) {
|
|
err = 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 = 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, NULL, 0);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto unlock;
|
|
}
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
switch (hdev->discovery.state) {
|
|
case DISCOVERY_FINDING:
|
|
if (test_bit(HCI_INQUIRY, &hdev->flags)) {
|
|
hci_req_add(&req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
|
|
} else {
|
|
cancel_delayed_work(&hdev->le_scan_disable);
|
|
|
|
memset(&enable_cp, 0, sizeof(enable_cp));
|
|
enable_cp.enable = LE_SCAN_DISABLE;
|
|
hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE,
|
|
sizeof(enable_cp), &enable_cp);
|
|
}
|
|
|
|
break;
|
|
|
|
case DISCOVERY_RESOLVING:
|
|
e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
|
|
NAME_PENDING);
|
|
if (!e) {
|
|
mgmt_pending_remove(cmd);
|
|
err = cmd_complete(sk, hdev->id,
|
|
MGMT_OP_STOP_DISCOVERY, 0,
|
|
&mgmt_cp->type,
|
|
sizeof(mgmt_cp->type));
|
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
|
|
goto unlock;
|
|
}
|
|
|
|
bacpy(&cp.bdaddr, &e->data.bdaddr);
|
|
hci_req_add(&req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
|
|
&cp);
|
|
|
|
break;
|
|
|
|
default:
|
|
BT_DBG("unknown discovery state %u", hdev->discovery.state);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
|
|
MGMT_STATUS_FAILED, &mgmt_cp->type,
|
|
sizeof(mgmt_cp->type));
|
|
goto unlock;
|
|
}
|
|
|
|
err = hci_req_run(&req, stop_discovery_complete);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
else
|
|
hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
|
|
|
|
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_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (!hci_discovery_active(hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
|
|
MGMT_STATUS_FAILED);
|
|
goto failed;
|
|
}
|
|
|
|
e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
|
|
if (!e) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
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 = 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_DBG("%s", hdev->name);
|
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type))
|
|
return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
|
|
MGMT_STATUS_INVALID_PARAMS,
|
|
&cp->addr, sizeof(cp->addr));
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
|
|
if (err < 0)
|
|
status = MGMT_STATUS_FAILED;
|
|
else
|
|
status = MGMT_STATUS_SUCCESS;
|
|
|
|
err = 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_DBG("%s", hdev->name);
|
|
|
|
if (!bdaddr_type_is_valid(cp->addr.type))
|
|
return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
|
|
MGMT_STATUS_INVALID_PARAMS,
|
|
&cp->addr, sizeof(cp->addr));
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
|
|
if (err < 0)
|
|
status = MGMT_STATUS_INVALID_PARAMS;
|
|
else
|
|
status = MGMT_STATUS_SUCCESS;
|
|
|
|
err = 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_DBG("%s", hdev->name);
|
|
|
|
source = __le16_to_cpu(cp->source);
|
|
|
|
if (source > 0x0002)
|
|
return 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 = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
|
|
|
|
hci_req_init(&req, hdev);
|
|
update_eir(&req);
|
|
hci_req_run(&req, NULL);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void set_advertising_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct cmd_lookup match = { NULL, hdev };
|
|
|
|
if (status) {
|
|
u8 mgmt_err = mgmt_status(status);
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
|
|
cmd_status_rsp, &mgmt_err);
|
|
return;
|
|
}
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
|
|
&match);
|
|
|
|
new_settings(hdev, match.sk);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
}
|
|
|
|
static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
|
|
u16 len)
|
|
{
|
|
struct mgmt_mode *cp = data;
|
|
struct pending_cmd *cmd;
|
|
struct hci_request req;
|
|
u8 val, enabled, status;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
status = mgmt_le_support(hdev);
|
|
if (status)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
|
|
status);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
val = !!cp->val;
|
|
enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
|
|
|
|
/* 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 == enabled ||
|
|
hci_conn_num(hdev, LE_LINK) > 0) {
|
|
bool changed = false;
|
|
|
|
if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
|
|
change_bit(HCI_ADVERTISING, &hdev->dev_flags);
|
|
changed = true;
|
|
}
|
|
|
|
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 (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
|
|
mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
|
|
err = 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 (val)
|
|
enable_advertising(&req);
|
|
else
|
|
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_DBG("%s", hdev->name);
|
|
|
|
if (!lmp_le_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (hdev_is_powered(hdev))
|
|
return 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 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 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 = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
|
|
|
|
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_DBG("%s", hdev->name);
|
|
|
|
if (!lmp_le_capable(hdev))
|
|
return 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 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 cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
if (window > interval)
|
|
return 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 = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
|
|
if (!cmd)
|
|
goto unlock;
|
|
|
|
if (status) {
|
|
cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
mgmt_status(status));
|
|
} else {
|
|
struct mgmt_mode *cp = cmd->param;
|
|
|
|
if (cp->val)
|
|
set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
|
|
else
|
|
clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
|
|
hdev->hci_ver < BLUETOOTH_VER_1_2)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
if (!hdev_is_powered(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
MGMT_STATUS_NOT_POWERED);
|
|
|
|
if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
MGMT_STATUS_REJECTED);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
|
|
err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
MGMT_STATUS_BUSY);
|
|
goto unlock;
|
|
}
|
|
|
|
if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
|
|
hdev);
|
|
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);
|
|
|
|
write_fast_connectable(&req, cp->val);
|
|
|
|
err = hci_req_run(&req, fast_connectable_complete);
|
|
if (err < 0) {
|
|
err = 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_scan(struct hci_request *req)
|
|
{
|
|
struct hci_dev *hdev = req->hdev;
|
|
u8 scan = 0;
|
|
|
|
/* Ensure that fast connectable is disabled. This function will
|
|
* not do anything if the page scan parameters are already what
|
|
* they should be.
|
|
*/
|
|
write_fast_connectable(req, false);
|
|
|
|
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
|
|
scan |= SCAN_PAGE;
|
|
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
|
|
scan |= SCAN_INQUIRY;
|
|
|
|
if (scan)
|
|
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
|
|
}
|
|
|
|
static void set_bredr_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
cmd = mgmt_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.
|
|
*/
|
|
clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct hci_request req;
|
|
int err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
|
|
MGMT_STATUS_REJECTED);
|
|
|
|
if (cp->val != 0x00 && cp->val != 0x01)
|
|
return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
|
|
err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
|
|
goto unlock;
|
|
}
|
|
|
|
if (!hdev_is_powered(hdev)) {
|
|
if (!cp->val) {
|
|
clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
|
|
clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
|
|
clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
|
|
clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
}
|
|
|
|
change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
|
|
|
|
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 = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
|
|
MGMT_STATUS_REJECTED);
|
|
goto unlock;
|
|
}
|
|
|
|
if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
|
|
err = 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 update_adv_data
|
|
* generates the correct flags.
|
|
*/
|
|
set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
|
|
set_bredr_scan(&req);
|
|
|
|
/* Since only the advertising data flags will change, there
|
|
* is no need to update the scan response data.
|
|
*/
|
|
update_adv_data(&req);
|
|
|
|
err = hci_req_run(&req, set_bredr_complete);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
unlock:
|
|
hci_dev_unlock(hdev);
|
|
return err;
|
|
}
|
|
|
|
static bool ltk_is_valid(struct mgmt_ltk_info *key)
|
|
{
|
|
if (key->authenticated != 0x00 && key->authenticated != 0x01)
|
|
return false;
|
|
if (key->master != 0x00 && key->master != 0x01)
|
|
return false;
|
|
if (!bdaddr_type_is_le(key->addr.type))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
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;
|
|
u16 key_count, expected_len;
|
|
int i, err;
|
|
|
|
BT_DBG("request for %s", hdev->name);
|
|
|
|
if (!lmp_le_capable(hdev))
|
|
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
|
|
MGMT_STATUS_NOT_SUPPORTED);
|
|
|
|
key_count = __le16_to_cpu(cp->key_count);
|
|
|
|
expected_len = sizeof(*cp) + key_count *
|
|
sizeof(struct mgmt_ltk_info);
|
|
if (expected_len != len) {
|
|
BT_ERR("load_keys: expected %u bytes, got %u bytes",
|
|
len, expected_len);
|
|
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
}
|
|
|
|
BT_DBG("%s key_count %u", hdev->name, key_count);
|
|
|
|
for (i = 0; i < key_count; i++) {
|
|
struct mgmt_ltk_info *key = &cp->keys[i];
|
|
|
|
if (!ltk_is_valid(key))
|
|
return 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, addr_type;
|
|
|
|
if (key->addr.type == BDADDR_LE_PUBLIC)
|
|
addr_type = ADDR_LE_DEV_PUBLIC;
|
|
else
|
|
addr_type = ADDR_LE_DEV_RANDOM;
|
|
|
|
if (key->master)
|
|
type = HCI_SMP_LTK;
|
|
else
|
|
type = HCI_SMP_LTK_SLAVE;
|
|
|
|
hci_add_ltk(hdev, &key->addr.bdaddr, addr_type,
|
|
type, 0, key->authenticated, key->val,
|
|
key->enc_size, key->ediv, key->rand);
|
|
}
|
|
|
|
err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
|
|
NULL, 0);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static const struct mgmt_handler {
|
|
int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
|
|
u16 data_len);
|
|
bool var_len;
|
|
size_t data_len;
|
|
} mgmt_handlers[] = {
|
|
{ NULL }, /* 0x0000 (no command) */
|
|
{ read_version, false, MGMT_READ_VERSION_SIZE },
|
|
{ read_commands, false, MGMT_READ_COMMANDS_SIZE },
|
|
{ read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
|
|
{ read_controller_info, false, MGMT_READ_INFO_SIZE },
|
|
{ set_powered, false, MGMT_SETTING_SIZE },
|
|
{ set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
|
|
{ set_connectable, false, MGMT_SETTING_SIZE },
|
|
{ set_fast_connectable, false, MGMT_SETTING_SIZE },
|
|
{ set_pairable, false, MGMT_SETTING_SIZE },
|
|
{ set_link_security, false, MGMT_SETTING_SIZE },
|
|
{ set_ssp, false, MGMT_SETTING_SIZE },
|
|
{ set_hs, false, MGMT_SETTING_SIZE },
|
|
{ set_le, false, MGMT_SETTING_SIZE },
|
|
{ set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
|
|
{ set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
|
|
{ add_uuid, false, MGMT_ADD_UUID_SIZE },
|
|
{ remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
|
|
{ load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
|
|
{ load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
|
|
{ disconnect, false, MGMT_DISCONNECT_SIZE },
|
|
{ get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
|
|
{ pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
|
|
{ pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
|
|
{ set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
|
|
{ pair_device, false, MGMT_PAIR_DEVICE_SIZE },
|
|
{ cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
|
|
{ unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
|
|
{ user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
|
|
{ user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
|
|
{ user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
|
|
{ user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
|
|
{ read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
|
|
{ add_remote_oob_data, false, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
|
|
{ remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
|
|
{ start_discovery, false, MGMT_START_DISCOVERY_SIZE },
|
|
{ stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
|
|
{ confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
|
|
{ block_device, false, MGMT_BLOCK_DEVICE_SIZE },
|
|
{ unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
|
|
{ set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
|
|
{ set_advertising, false, MGMT_SETTING_SIZE },
|
|
{ set_bredr, false, MGMT_SETTING_SIZE },
|
|
{ set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
|
|
{ set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
|
|
};
|
|
|
|
|
|
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
|
|
{
|
|
void *buf;
|
|
u8 *cp;
|
|
struct mgmt_hdr *hdr;
|
|
u16 opcode, index, len;
|
|
struct hci_dev *hdev = NULL;
|
|
const struct mgmt_handler *handler;
|
|
int err;
|
|
|
|
BT_DBG("got %zu bytes", msglen);
|
|
|
|
if (msglen < sizeof(*hdr))
|
|
return -EINVAL;
|
|
|
|
buf = kmalloc(msglen, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
|
|
err = -EFAULT;
|
|
goto done;
|
|
}
|
|
|
|
hdr = buf;
|
|
opcode = __le16_to_cpu(hdr->opcode);
|
|
index = __le16_to_cpu(hdr->index);
|
|
len = __le16_to_cpu(hdr->len);
|
|
|
|
if (len != msglen - sizeof(*hdr)) {
|
|
err = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
if (index != MGMT_INDEX_NONE) {
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev) {
|
|
err = cmd_status(sk, index, opcode,
|
|
MGMT_STATUS_INVALID_INDEX);
|
|
goto done;
|
|
}
|
|
|
|
if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
|
|
test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
|
|
err = cmd_status(sk, index, opcode,
|
|
MGMT_STATUS_INVALID_INDEX);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
|
|
mgmt_handlers[opcode].func == NULL) {
|
|
BT_DBG("Unknown op %u", opcode);
|
|
err = cmd_status(sk, index, opcode,
|
|
MGMT_STATUS_UNKNOWN_COMMAND);
|
|
goto done;
|
|
}
|
|
|
|
if ((hdev && opcode < MGMT_OP_READ_INFO) ||
|
|
(!hdev && opcode >= MGMT_OP_READ_INFO)) {
|
|
err = cmd_status(sk, index, opcode,
|
|
MGMT_STATUS_INVALID_INDEX);
|
|
goto done;
|
|
}
|
|
|
|
handler = &mgmt_handlers[opcode];
|
|
|
|
if ((handler->var_len && len < handler->data_len) ||
|
|
(!handler->var_len && len != handler->data_len)) {
|
|
err = cmd_status(sk, index, opcode,
|
|
MGMT_STATUS_INVALID_PARAMS);
|
|
goto done;
|
|
}
|
|
|
|
if (hdev)
|
|
mgmt_init_hdev(sk, hdev);
|
|
|
|
cp = buf + sizeof(*hdr);
|
|
|
|
err = handler->func(sk, hdev, cp, len);
|
|
if (err < 0)
|
|
goto done;
|
|
|
|
err = msglen;
|
|
|
|
done:
|
|
if (hdev)
|
|
hci_dev_put(hdev);
|
|
|
|
kfree(buf);
|
|
return err;
|
|
}
|
|
|
|
void mgmt_index_added(struct hci_dev *hdev)
|
|
{
|
|
if (hdev->dev_type != HCI_BREDR)
|
|
return;
|
|
|
|
mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
|
|
}
|
|
|
|
void mgmt_index_removed(struct hci_dev *hdev)
|
|
{
|
|
u8 status = MGMT_STATUS_INVALID_INDEX;
|
|
|
|
if (hdev->dev_type != HCI_BREDR)
|
|
return;
|
|
|
|
mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
|
|
|
|
mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
|
|
}
|
|
|
|
static void powered_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
struct cmd_lookup match = { NULL, hdev };
|
|
|
|
BT_DBG("status 0x%02x", status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
|
|
|
|
new_settings(hdev, match.sk);
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
}
|
|
|
|
static int powered_update_hci(struct hci_dev *hdev)
|
|
{
|
|
struct hci_request req;
|
|
u8 link_sec;
|
|
|
|
hci_req_init(&req, hdev);
|
|
|
|
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
|
|
!lmp_host_ssp_capable(hdev)) {
|
|
u8 ssp = 1;
|
|
|
|
hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
|
|
}
|
|
|
|
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
|
|
lmp_bredr_capable(hdev)) {
|
|
struct hci_cp_write_le_host_supported cp;
|
|
|
|
cp.le = 1;
|
|
cp.simul = lmp_le_br_capable(hdev);
|
|
|
|
/* Check first if we already have the right
|
|
* host state (host features set)
|
|
*/
|
|
if (cp.le != lmp_host_le_capable(hdev) ||
|
|
cp.simul != lmp_host_le_br_capable(hdev))
|
|
hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
|
|
sizeof(cp), &cp);
|
|
}
|
|
|
|
if (lmp_le_capable(hdev)) {
|
|
/* Set random address to static address if configured */
|
|
if (bacmp(&hdev->static_addr, BDADDR_ANY))
|
|
hci_req_add(&req, HCI_OP_LE_SET_RANDOM_ADDR, 6,
|
|
&hdev->static_addr);
|
|
|
|
/* Make sure the controller has a good default for
|
|
* advertising data. This also applies to the case
|
|
* where BR/EDR was toggled during the AUTO_OFF phase.
|
|
*/
|
|
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
|
|
update_adv_data(&req);
|
|
update_scan_rsp_data(&req);
|
|
}
|
|
|
|
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
|
|
enable_advertising(&req);
|
|
}
|
|
|
|
link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
|
|
if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
|
|
hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
|
|
sizeof(link_sec), &link_sec);
|
|
|
|
if (lmp_bredr_capable(hdev)) {
|
|
if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
|
|
set_bredr_scan(&req);
|
|
update_class(&req);
|
|
update_name(&req);
|
|
update_eir(&req);
|
|
}
|
|
|
|
return hci_req_run(&req, powered_complete);
|
|
}
|
|
|
|
int mgmt_powered(struct hci_dev *hdev, u8 powered)
|
|
{
|
|
struct cmd_lookup match = { NULL, hdev };
|
|
u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
|
|
u8 zero_cod[] = { 0, 0, 0 };
|
|
int err;
|
|
|
|
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
|
|
return 0;
|
|
|
|
if (powered) {
|
|
if (powered_update_hci(hdev) == 0)
|
|
return 0;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
|
|
&match);
|
|
goto new_settings;
|
|
}
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
|
|
mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
|
|
|
|
if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
|
|
mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
|
|
zero_cod, sizeof(zero_cod), NULL);
|
|
|
|
new_settings:
|
|
err = new_settings(hdev, match.sk);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
|
|
return err;
|
|
}
|
|
|
|
void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
u8 status;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
|
|
if (!cmd)
|
|
return;
|
|
|
|
if (err == -ERFKILL)
|
|
status = MGMT_STATUS_RFKILLED;
|
|
else
|
|
status = MGMT_STATUS_FAILED;
|
|
|
|
cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
void mgmt_discoverable_timeout(struct hci_dev *hdev)
|
|
{
|
|
struct hci_request req;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
/* When discoverable timeout triggers, then just make sure
|
|
* the limited discoverable flag is cleared. Even in the case
|
|
* of a timeout triggered from general discoverable, it is
|
|
* safe to unconditionally clear the flag.
|
|
*/
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
|
|
hci_req_init(&req, hdev);
|
|
if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
|
|
u8 scan = SCAN_PAGE;
|
|
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
|
|
sizeof(scan), &scan);
|
|
}
|
|
update_class(&req);
|
|
update_adv_data(&req);
|
|
hci_req_run(&req, NULL);
|
|
|
|
hdev->discov_timeout = 0;
|
|
|
|
new_settings(hdev, NULL);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
|
|
{
|
|
bool changed;
|
|
|
|
/* Nothing needed here if there's a pending command since that
|
|
* commands request completion callback takes care of everything
|
|
* necessary.
|
|
*/
|
|
if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
|
|
return;
|
|
|
|
if (discoverable) {
|
|
changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
} else {
|
|
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
|
|
changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
|
|
}
|
|
|
|
if (changed) {
|
|
struct hci_request req;
|
|
|
|
/* In case this change in discoverable was triggered by
|
|
* a disabling of connectable there could be a need to
|
|
* update the advertising flags.
|
|
*/
|
|
hci_req_init(&req, hdev);
|
|
update_adv_data(&req);
|
|
hci_req_run(&req, NULL);
|
|
|
|
new_settings(hdev, NULL);
|
|
}
|
|
}
|
|
|
|
void mgmt_connectable(struct hci_dev *hdev, u8 connectable)
|
|
{
|
|
bool changed;
|
|
|
|
/* Nothing needed here if there's a pending command since that
|
|
* commands request completion callback takes care of everything
|
|
* necessary.
|
|
*/
|
|
if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
|
|
return;
|
|
|
|
if (connectable)
|
|
changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
else
|
|
changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
|
|
|
|
if (changed)
|
|
new_settings(hdev, NULL);
|
|
}
|
|
|
|
void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
|
|
{
|
|
u8 mgmt_err = mgmt_status(status);
|
|
|
|
if (scan & SCAN_PAGE)
|
|
mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
|
|
cmd_status_rsp, &mgmt_err);
|
|
|
|
if (scan & SCAN_INQUIRY)
|
|
mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
|
|
cmd_status_rsp, &mgmt_err);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent)
|
|
{
|
|
struct mgmt_ev_new_long_term_key ev;
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
|
|
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.authenticated = key->authenticated;
|
|
ev.key.enc_size = key->enc_size;
|
|
ev.key.ediv = key->ediv;
|
|
|
|
if (key->type == HCI_SMP_LTK)
|
|
ev.key.master = 1;
|
|
|
|
memcpy(ev.key.rand, key->rand, sizeof(key->rand));
|
|
memcpy(ev.key.val, key->val, sizeof(key->val));
|
|
|
|
mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
|
|
u8 data_len)
|
|
{
|
|
eir[eir_len++] = sizeof(type) + data_len;
|
|
eir[eir_len++] = type;
|
|
memcpy(&eir[eir_len], data, data_len);
|
|
eir_len += data_len;
|
|
|
|
return eir_len;
|
|
}
|
|
|
|
void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
|
u8 addr_type, u32 flags, u8 *name, u8 name_len,
|
|
u8 *dev_class)
|
|
{
|
|
char buf[512];
|
|
struct mgmt_ev_device_connected *ev = (void *) buf;
|
|
u16 eir_len = 0;
|
|
|
|
bacpy(&ev->addr.bdaddr, bdaddr);
|
|
ev->addr.type = link_to_bdaddr(link_type, addr_type);
|
|
|
|
ev->flags = __cpu_to_le32(flags);
|
|
|
|
if (name_len > 0)
|
|
eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
|
|
name, name_len);
|
|
|
|
if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
|
|
eir_len = eir_append_data(ev->eir, eir_len,
|
|
EIR_CLASS_OF_DEV, 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 pending_cmd *cmd, void *data)
|
|
{
|
|
struct mgmt_cp_disconnect *cp = cmd->param;
|
|
struct sock **sk = data;
|
|
struct mgmt_rp_disconnect rp;
|
|
|
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
|
|
rp.addr.type = cp->addr.type;
|
|
|
|
cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
|
|
sizeof(rp));
|
|
|
|
*sk = cmd->sk;
|
|
sock_hold(*sk);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
|
|
{
|
|
struct hci_dev *hdev = data;
|
|
struct mgmt_cp_unpair_device *cp = cmd->param;
|
|
struct mgmt_rp_unpair_device rp;
|
|
|
|
memset(&rp, 0, sizeof(rp));
|
|
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
|
|
rp.addr.type = cp->addr.type;
|
|
|
|
device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
|
|
|
|
cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
u8 link_type, u8 addr_type, u8 reason)
|
|
{
|
|
struct mgmt_ev_device_disconnected ev;
|
|
struct sock *sk = NULL;
|
|
|
|
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;
|
|
|
|
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)
|
|
{
|
|
struct mgmt_rp_disconnect rp;
|
|
struct pending_cmd *cmd;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
|
|
hdev);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
|
|
if (!cmd)
|
|
return;
|
|
|
|
bacpy(&rp.addr.bdaddr, bdaddr);
|
|
rp.addr.type = link_to_bdaddr(link_type, addr_type);
|
|
|
|
cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
|
|
mgmt_status(status), &rp, sizeof(rp));
|
|
|
|
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;
|
|
|
|
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 pending_cmd *cmd;
|
|
struct mgmt_rp_pin_code_reply rp;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
|
|
if (!cmd)
|
|
return;
|
|
|
|
bacpy(&rp.addr.bdaddr, bdaddr);
|
|
rp.addr.type = BDADDR_BREDR;
|
|
|
|
cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
|
|
mgmt_status(status), &rp, sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_rp_pin_code_reply rp;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
|
|
if (!cmd)
|
|
return;
|
|
|
|
bacpy(&rp.addr.bdaddr, bdaddr);
|
|
rp.addr.type = BDADDR_BREDR;
|
|
|
|
cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
|
|
mgmt_status(status), &rp, sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
u8 link_type, u8 addr_type, __le32 value,
|
|
u8 confirm_hint)
|
|
{
|
|
struct mgmt_ev_user_confirm_request ev;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr);
|
|
ev.addr.type = link_to_bdaddr(link_type, addr_type);
|
|
ev.confirm_hint = confirm_hint;
|
|
ev.value = 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_DBG("%s", hdev->name);
|
|
|
|
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 pending_cmd *cmd;
|
|
struct mgmt_rp_user_confirm_reply rp;
|
|
int err;
|
|
|
|
cmd = mgmt_pending_find(opcode, hdev);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
bacpy(&rp.addr.bdaddr, bdaddr);
|
|
rp.addr.type = link_to_bdaddr(link_type, addr_type);
|
|
err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
|
|
&rp, sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
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_DBG("%s", hdev->name);
|
|
|
|
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_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
|
u8 addr_type, u8 status)
|
|
{
|
|
struct mgmt_ev_auth_failed ev;
|
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr);
|
|
ev.addr.type = link_to_bdaddr(link_type, addr_type);
|
|
ev.status = mgmt_status(status);
|
|
|
|
mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
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 = !test_and_set_bit(HCI_LINK_SECURITY,
|
|
&hdev->dev_flags);
|
|
else
|
|
changed = test_and_clear_bit(HCI_LINK_SECURITY,
|
|
&hdev->dev_flags);
|
|
|
|
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 && test_and_clear_bit(HCI_SSP_ENABLED,
|
|
&hdev->dev_flags)) {
|
|
clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
new_settings(hdev, NULL);
|
|
}
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
|
|
&mgmt_err);
|
|
return;
|
|
}
|
|
|
|
if (enable) {
|
|
changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
|
|
} else {
|
|
changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
|
|
if (!changed)
|
|
changed = test_and_clear_bit(HCI_HS_ENABLED,
|
|
&hdev->dev_flags);
|
|
else
|
|
clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
|
|
}
|
|
|
|
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 (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
|
|
update_eir(&req);
|
|
else
|
|
clear_eir(&req);
|
|
|
|
hci_req_run(&req, NULL);
|
|
}
|
|
|
|
static void sk_lookup(struct 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_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
|
|
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 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 = mgmt_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 (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
|
|
return;
|
|
}
|
|
|
|
mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
|
|
cmd ? cmd->sk : NULL);
|
|
}
|
|
|
|
void mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
|
|
u8 *randomizer, u8 status)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("%s status %u", hdev->name, status);
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
|
|
if (!cmd)
|
|
return;
|
|
|
|
if (status) {
|
|
cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
|
|
mgmt_status(status));
|
|
} else {
|
|
struct mgmt_rp_read_local_oob_data rp;
|
|
|
|
memcpy(rp.hash, hash, sizeof(rp.hash));
|
|
memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
|
|
|
|
cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
|
|
0, &rp, sizeof(rp));
|
|
}
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
|
u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8
|
|
ssp, u8 *eir, u16 eir_len)
|
|
{
|
|
char buf[512];
|
|
struct mgmt_ev_device_found *ev = (void *) buf;
|
|
size_t ev_size;
|
|
|
|
if (!hci_discovery_active(hdev))
|
|
return;
|
|
|
|
/* Leave 5 bytes for a potential CoD field */
|
|
if (sizeof(*ev) + eir_len + 5 > sizeof(buf))
|
|
return;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
bacpy(&ev->addr.bdaddr, bdaddr);
|
|
ev->addr.type = link_to_bdaddr(link_type, addr_type);
|
|
ev->rssi = rssi;
|
|
if (cfm_name)
|
|
ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
|
|
if (!ssp)
|
|
ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
|
|
|
|
if (eir_len > 0)
|
|
memcpy(ev->eir, eir, eir_len);
|
|
|
|
if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
|
|
eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
|
|
dev_class, 3);
|
|
|
|
ev->eir_len = cpu_to_le16(eir_len);
|
|
ev_size = sizeof(*ev) + eir_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;
|
|
struct pending_cmd *cmd;
|
|
|
|
BT_DBG("%s discovering %u", hdev->name, discovering);
|
|
|
|
if (discovering)
|
|
cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
|
|
else
|
|
cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
|
|
|
|
if (cmd != NULL) {
|
|
u8 type = hdev->discovery.type;
|
|
|
|
cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
|
|
sizeof(type));
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.type = hdev->discovery.type;
|
|
ev.discovering = discovering;
|
|
|
|
mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_ev_device_blocked ev;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
|
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr);
|
|
ev.addr.type = type;
|
|
|
|
return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
|
|
cmd ? cmd->sk : NULL);
|
|
}
|
|
|
|
int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_ev_device_unblocked ev;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
|
|
|
|
bacpy(&ev.addr.bdaddr, bdaddr);
|
|
ev.addr.type = type;
|
|
|
|
return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
|
|
cmd ? cmd->sk : NULL);
|
|
}
|
|
|
|
static void adv_enable_complete(struct hci_dev *hdev, u8 status)
|
|
{
|
|
BT_DBG("%s status %u", hdev->name, status);
|
|
|
|
/* Clear the advertising mgmt setting if we failed to re-enable it */
|
|
if (status) {
|
|
clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
|
|
new_settings(hdev, NULL);
|
|
}
|
|
}
|
|
|
|
void mgmt_reenable_advertising(struct hci_dev *hdev)
|
|
{
|
|
struct hci_request req;
|
|
|
|
if (hci_conn_num(hdev, LE_LINK) > 0)
|
|
return;
|
|
|
|
if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
|
|
return;
|
|
|
|
hci_req_init(&req, hdev);
|
|
enable_advertising(&req);
|
|
|
|
/* If this fails we have no option but to let user space know
|
|
* that we've disabled advertising.
|
|
*/
|
|
if (hci_req_run(&req, adv_enable_complete) < 0) {
|
|
clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
|
|
new_settings(hdev, NULL);
|
|
}
|
|
}
|