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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /net/bluetooth/mgmt.c
Initial import
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c8415
1 files changed, 8415 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
new file mode 100644
index 000000000..7fd87e713
--- /dev/null
+++ b/net/bluetooth/mgmt.c
@@ -0,0 +1,8415 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+
+ Copyright (C) 2010 Nokia Corporation
+ Copyright (C) 2011-2012 Intel Corporation
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ SOFTWARE IS DISCLAIMED.
+*/
+
+/* Bluetooth HCI Management interface */
+
+#include <linux/module.h>
+#include <asm/unaligned.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci_sock.h>
+#include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/mgmt.h>
+
+#include "hci_request.h"
+#include "smp.h"
+#include "mgmt_util.h"
+
+#define MGMT_VERSION 1
+#define MGMT_REVISION 9
+
+static const u16 mgmt_commands[] = {
+ MGMT_OP_READ_INDEX_LIST,
+ MGMT_OP_READ_INFO,
+ MGMT_OP_SET_POWERED,
+ MGMT_OP_SET_DISCOVERABLE,
+ MGMT_OP_SET_CONNECTABLE,
+ MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_OP_SET_BONDABLE,
+ MGMT_OP_SET_LINK_SECURITY,
+ MGMT_OP_SET_SSP,
+ MGMT_OP_SET_HS,
+ MGMT_OP_SET_LE,
+ MGMT_OP_SET_DEV_CLASS,
+ MGMT_OP_SET_LOCAL_NAME,
+ MGMT_OP_ADD_UUID,
+ MGMT_OP_REMOVE_UUID,
+ MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_OP_DISCONNECT,
+ MGMT_OP_GET_CONNECTIONS,
+ MGMT_OP_PIN_CODE_REPLY,
+ MGMT_OP_PIN_CODE_NEG_REPLY,
+ MGMT_OP_SET_IO_CAPABILITY,
+ MGMT_OP_PAIR_DEVICE,
+ MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_OP_UNPAIR_DEVICE,
+ MGMT_OP_USER_CONFIRM_REPLY,
+ MGMT_OP_USER_CONFIRM_NEG_REPLY,
+ MGMT_OP_USER_PASSKEY_REPLY,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ MGMT_OP_START_DISCOVERY,
+ MGMT_OP_STOP_DISCOVERY,
+ MGMT_OP_CONFIRM_NAME,
+ MGMT_OP_BLOCK_DEVICE,
+ MGMT_OP_UNBLOCK_DEVICE,
+ MGMT_OP_SET_DEVICE_ID,
+ MGMT_OP_SET_ADVERTISING,
+ MGMT_OP_SET_BREDR,
+ MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_OP_SET_SECURE_CONN,
+ MGMT_OP_SET_DEBUG_KEYS,
+ MGMT_OP_SET_PRIVACY,
+ MGMT_OP_LOAD_IRKS,
+ MGMT_OP_GET_CONN_INFO,
+ MGMT_OP_GET_CLOCK_INFO,
+ MGMT_OP_ADD_DEVICE,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_OP_READ_UNCONF_INDEX_LIST,
+ MGMT_OP_READ_CONFIG_INFO,
+ MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
+ MGMT_OP_READ_EXT_INDEX_LIST,
+ MGMT_OP_READ_ADV_FEATURES,
+ MGMT_OP_ADD_ADVERTISING,
+ MGMT_OP_REMOVE_ADVERTISING,
+};
+
+static const u16 mgmt_events[] = {
+ MGMT_EV_CONTROLLER_ERROR,
+ MGMT_EV_INDEX_ADDED,
+ MGMT_EV_INDEX_REMOVED,
+ MGMT_EV_NEW_SETTINGS,
+ MGMT_EV_CLASS_OF_DEV_CHANGED,
+ MGMT_EV_LOCAL_NAME_CHANGED,
+ MGMT_EV_NEW_LINK_KEY,
+ MGMT_EV_NEW_LONG_TERM_KEY,
+ MGMT_EV_DEVICE_CONNECTED,
+ MGMT_EV_DEVICE_DISCONNECTED,
+ MGMT_EV_CONNECT_FAILED,
+ MGMT_EV_PIN_CODE_REQUEST,
+ MGMT_EV_USER_CONFIRM_REQUEST,
+ MGMT_EV_USER_PASSKEY_REQUEST,
+ MGMT_EV_AUTH_FAILED,
+ MGMT_EV_DEVICE_FOUND,
+ MGMT_EV_DISCOVERING,
+ MGMT_EV_DEVICE_BLOCKED,
+ MGMT_EV_DEVICE_UNBLOCKED,
+ MGMT_EV_DEVICE_UNPAIRED,
+ MGMT_EV_PASSKEY_NOTIFY,
+ MGMT_EV_NEW_IRK,
+ MGMT_EV_NEW_CSRK,
+ MGMT_EV_DEVICE_ADDED,
+ MGMT_EV_DEVICE_REMOVED,
+ MGMT_EV_NEW_CONN_PARAM,
+ MGMT_EV_UNCONF_INDEX_ADDED,
+ MGMT_EV_UNCONF_INDEX_REMOVED,
+ MGMT_EV_NEW_CONFIG_OPTIONS,
+ MGMT_EV_EXT_INDEX_ADDED,
+ MGMT_EV_EXT_INDEX_REMOVED,
+ MGMT_EV_LOCAL_OOB_DATA_UPDATED,
+ MGMT_EV_ADVERTISING_ADDED,
+ MGMT_EV_ADVERTISING_REMOVED,
+};
+
+static const u16 mgmt_untrusted_commands[] = {
+ MGMT_OP_READ_INDEX_LIST,
+ MGMT_OP_READ_INFO,
+ MGMT_OP_READ_UNCONF_INDEX_LIST,
+ MGMT_OP_READ_CONFIG_INFO,
+ MGMT_OP_READ_EXT_INDEX_LIST,
+};
+
+static const u16 mgmt_untrusted_events[] = {
+ MGMT_EV_INDEX_ADDED,
+ MGMT_EV_INDEX_REMOVED,
+ MGMT_EV_NEW_SETTINGS,
+ MGMT_EV_CLASS_OF_DEV_CHANGED,
+ MGMT_EV_LOCAL_NAME_CHANGED,
+ MGMT_EV_UNCONF_INDEX_ADDED,
+ MGMT_EV_UNCONF_INDEX_REMOVED,
+ MGMT_EV_NEW_CONFIG_OPTIONS,
+ MGMT_EV_EXT_INDEX_ADDED,
+ MGMT_EV_EXT_INDEX_REMOVED,
+};
+
+#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
+
+#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
+ "\x00\x00\x00\x00\x00\x00\x00\x00"
+
+/* HCI to MGMT error code conversion table */
+static u8 mgmt_status_table[] = {
+ MGMT_STATUS_SUCCESS,
+ MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
+ MGMT_STATUS_NOT_CONNECTED, /* No Connection */
+ MGMT_STATUS_FAILED, /* Hardware Failure */
+ MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
+ MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
+ MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
+ MGMT_STATUS_NO_RESOURCES, /* Memory Full */
+ MGMT_STATUS_TIMEOUT, /* Connection Timeout */
+ MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
+ MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
+ MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
+ MGMT_STATUS_BUSY, /* Command Disallowed */
+ MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
+ MGMT_STATUS_REJECTED, /* Rejected Security */
+ MGMT_STATUS_REJECTED, /* Rejected Personal */
+ MGMT_STATUS_TIMEOUT, /* Host Timeout */
+ MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
+ MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
+ MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
+ MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
+ MGMT_STATUS_DISCONNECTED, /* OE Power Off */
+ MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
+ MGMT_STATUS_BUSY, /* Repeated Attempts */
+ MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
+ MGMT_STATUS_FAILED, /* Unknown LMP PDU */
+ MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
+ MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
+ MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
+ MGMT_STATUS_REJECTED, /* Air Mode Rejected */
+ MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
+ MGMT_STATUS_FAILED, /* Unspecified Error */
+ MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
+ MGMT_STATUS_FAILED, /* Role Change Not Allowed */
+ MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
+ MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
+ MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
+ MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
+ MGMT_STATUS_FAILED, /* Unit Link Key Used */
+ MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
+ MGMT_STATUS_TIMEOUT, /* Instant Passed */
+ MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
+ MGMT_STATUS_FAILED, /* Transaction Collision */
+ MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
+ MGMT_STATUS_REJECTED, /* QoS Rejected */
+ MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
+ MGMT_STATUS_REJECTED, /* Insufficient Security */
+ MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
+ MGMT_STATUS_BUSY, /* Role Switch Pending */
+ MGMT_STATUS_FAILED, /* Slot Violation */
+ MGMT_STATUS_FAILED, /* Role Switch Failed */
+ MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
+ MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
+ MGMT_STATUS_BUSY, /* Host Busy Pairing */
+ MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
+ MGMT_STATUS_BUSY, /* Controller Busy */
+ MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
+ MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
+ MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
+ MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
+ MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
+};
+
+static u8 mgmt_status(u8 hci_status)
+{
+ if (hci_status < ARRAY_SIZE(mgmt_status_table))
+ return mgmt_status_table[hci_status];
+
+ return MGMT_STATUS_FAILED;
+}
+
+static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
+ u16 len, int flag)
+{
+ return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
+ flag, NULL);
+}
+
+static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
+ u16 len, int flag, struct sock *skip_sk)
+{
+ return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
+ flag, skip_sk);
+}
+
+static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
+ u16 len, struct sock *skip_sk)
+{
+ return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
+ HCI_MGMT_GENERIC_EVENTS, skip_sk);
+}
+
+static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
+ struct sock *skip_sk)
+{
+ return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
+ HCI_SOCK_TRUSTED, skip_sk);
+}
+
+static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_read_version rp;
+
+ BT_DBG("sock %p", sk);
+
+ rp.version = MGMT_VERSION;
+ rp.revision = cpu_to_le16(MGMT_REVISION);
+
+ return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
+ &rp, sizeof(rp));
+}
+
+static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_read_commands *rp;
+ u16 num_commands, num_events;
+ size_t rp_size;
+ int i, err;
+
+ BT_DBG("sock %p", sk);
+
+ if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
+ num_commands = ARRAY_SIZE(mgmt_commands);
+ num_events = ARRAY_SIZE(mgmt_events);
+ } else {
+ num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
+ num_events = ARRAY_SIZE(mgmt_untrusted_events);
+ }
+
+ rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
+
+ rp = kmalloc(rp_size, GFP_KERNEL);
+ if (!rp)
+ return -ENOMEM;
+
+ rp->num_commands = cpu_to_le16(num_commands);
+ rp->num_events = cpu_to_le16(num_events);
+
+ if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
+ __le16 *opcode = rp->opcodes;
+
+ for (i = 0; i < num_commands; i++, opcode++)
+ put_unaligned_le16(mgmt_commands[i], opcode);
+
+ for (i = 0; i < num_events; i++, opcode++)
+ put_unaligned_le16(mgmt_events[i], opcode);
+ } else {
+ __le16 *opcode = rp->opcodes;
+
+ for (i = 0; i < num_commands; i++, opcode++)
+ put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
+
+ for (i = 0; i < num_events; i++, opcode++)
+ put_unaligned_le16(mgmt_untrusted_events[i], opcode);
+ }
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
+ rp, rp_size);
+ kfree(rp);
+
+ return err;
+}
+
+static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_read_index_list *rp;
+ struct hci_dev *d;
+ size_t rp_len;
+ u16 count;
+ int err;
+
+ BT_DBG("sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_BREDR &&
+ !hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ count++;
+ }
+
+ rp_len = sizeof(*rp) + (2 * count);
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp) {
+ read_unlock(&hci_dev_list_lock);
+ return -ENOMEM;
+ }
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (hci_dev_test_flag(d, HCI_SETUP) ||
+ hci_dev_test_flag(d, HCI_CONFIG) ||
+ hci_dev_test_flag(d, HCI_USER_CHANNEL))
+ continue;
+
+ /* Devices marked as raw-only are neither configured
+ * nor unconfigured controllers.
+ */
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
+ continue;
+
+ if (d->dev_type == HCI_BREDR &&
+ !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ rp->index[count++] = cpu_to_le16(d->id);
+ BT_DBG("Added hci%u", d->id);
+ }
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (2 * count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
+ 0, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_unconf_index_list *rp;
+ struct hci_dev *d;
+ size_t rp_len;
+ u16 count;
+ int err;
+
+ BT_DBG("sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_BREDR &&
+ hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ count++;
+ }
+
+ rp_len = sizeof(*rp) + (2 * count);
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp) {
+ read_unlock(&hci_dev_list_lock);
+ return -ENOMEM;
+ }
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (hci_dev_test_flag(d, HCI_SETUP) ||
+ hci_dev_test_flag(d, HCI_CONFIG) ||
+ hci_dev_test_flag(d, HCI_USER_CHANNEL))
+ continue;
+
+ /* Devices marked as raw-only are neither configured
+ * nor unconfigured controllers.
+ */
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
+ continue;
+
+ if (d->dev_type == HCI_BREDR &&
+ hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ rp->index[count++] = cpu_to_le16(d->id);
+ BT_DBG("Added hci%u", d->id);
+ }
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (2 * count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_ext_index_list *rp;
+ struct hci_dev *d;
+ size_t rp_len;
+ u16 count;
+ int err;
+
+ BT_DBG("sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
+ count++;
+ }
+
+ rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp) {
+ read_unlock(&hci_dev_list_lock);
+ return -ENOMEM;
+ }
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (hci_dev_test_flag(d, HCI_SETUP) ||
+ hci_dev_test_flag(d, HCI_CONFIG) ||
+ hci_dev_test_flag(d, HCI_USER_CHANNEL))
+ continue;
+
+ /* Devices marked as raw-only are neither configured
+ * nor unconfigured controllers.
+ */
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
+ continue;
+
+ if (d->dev_type == HCI_BREDR) {
+ if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ rp->entry[count].type = 0x01;
+ else
+ rp->entry[count].type = 0x00;
+ } else if (d->dev_type == HCI_AMP) {
+ rp->entry[count].type = 0x02;
+ } else {
+ continue;
+ }
+
+ rp->entry[count].bus = d->bus;
+ rp->entry[count++].index = cpu_to_le16(d->id);
+ BT_DBG("Added hci%u", d->id);
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ /* If this command is called at least once, then all the
+ * default index and unconfigured index events are disabled
+ * and from now on only extended index events are used.
+ */
+ hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static bool is_configured(struct hci_dev *hdev)
+{
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+ !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
+ return false;
+
+ if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
+ !bacmp(&hdev->public_addr, BDADDR_ANY))
+ return false;
+
+ return true;
+}
+
+static __le32 get_missing_options(struct hci_dev *hdev)
+{
+ u32 options = 0;
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+ !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
+ options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+ if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
+ !bacmp(&hdev->public_addr, BDADDR_ANY))
+ options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+ return cpu_to_le32(options);
+}
+
+static int new_options(struct hci_dev *hdev, struct sock *skip)
+{
+ __le32 options = get_missing_options(hdev);
+
+ return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
+ sizeof(options), skip);
+}
+
+static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
+{
+ __le32 options = get_missing_options(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
+ sizeof(options));
+}
+
+static int read_config_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_config_info rp;
+ u32 options = 0;
+
+ BT_DBG("sock %p %s", sk, hdev->name);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+ options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+ if (hdev->set_bdaddr)
+ options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+ rp.supported_options = cpu_to_le32(options);
+ rp.missing_options = get_missing_options(hdev);
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
+ &rp, sizeof(rp));
+}
+
+static u32 get_supported_settings(struct hci_dev *hdev)
+{
+ u32 settings = 0;
+
+ settings |= MGMT_SETTING_POWERED;
+ settings |= MGMT_SETTING_BONDABLE;
+ settings |= MGMT_SETTING_DEBUG_KEYS;
+ settings |= MGMT_SETTING_CONNECTABLE;
+ settings |= MGMT_SETTING_DISCOVERABLE;
+
+ if (lmp_bredr_capable(hdev)) {
+ if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+ settings |= MGMT_SETTING_BREDR;
+ settings |= MGMT_SETTING_LINK_SECURITY;
+
+ if (lmp_ssp_capable(hdev)) {
+ settings |= MGMT_SETTING_SSP;
+ settings |= MGMT_SETTING_HS;
+ }
+
+ if (lmp_sc_capable(hdev))
+ settings |= MGMT_SETTING_SECURE_CONN;
+ }
+
+ if (lmp_le_capable(hdev)) {
+ settings |= MGMT_SETTING_LE;
+ settings |= MGMT_SETTING_ADVERTISING;
+ settings |= MGMT_SETTING_SECURE_CONN;
+ settings |= MGMT_SETTING_PRIVACY;
+ settings |= MGMT_SETTING_STATIC_ADDRESS;
+ }
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
+ hdev->set_bdaddr)
+ settings |= MGMT_SETTING_CONFIGURATION;
+
+ return settings;
+}
+
+static u32 get_current_settings(struct hci_dev *hdev)
+{
+ u32 settings = 0;
+
+ if (hdev_is_powered(hdev))
+ settings |= MGMT_SETTING_POWERED;
+
+ if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
+ settings |= MGMT_SETTING_CONNECTABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ settings |= MGMT_SETTING_DISCOVERABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_BONDABLE))
+ settings |= MGMT_SETTING_BONDABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ settings |= MGMT_SETTING_BREDR;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ settings |= MGMT_SETTING_LE;
+
+ if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
+ settings |= MGMT_SETTING_LINK_SECURITY;
+
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ settings |= MGMT_SETTING_SSP;
+
+ if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
+ settings |= MGMT_SETTING_HS;
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ settings |= MGMT_SETTING_ADVERTISING;
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
+ settings |= MGMT_SETTING_SECURE_CONN;
+
+ if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
+ settings |= MGMT_SETTING_DEBUG_KEYS;
+
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY))
+ settings |= MGMT_SETTING_PRIVACY;
+
+ /* The current setting for static address has two purposes. The
+ * first is to indicate if the static address will be used and
+ * the second is to indicate if it is actually set.
+ *
+ * This means if the static address is not configured, this flag
+ * will never be set. If the address is configured, then if the
+ * address is actually used decides if the flag is set or not.
+ *
+ * For single mode LE only controllers and dual-mode controllers
+ * with BR/EDR disabled, the existence of the static address will
+ * be evaluated.
+ */
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
+ if (bacmp(&hdev->static_addr, BDADDR_ANY))
+ settings |= MGMT_SETTING_STATIC_ADDRESS;
+ }
+
+ return settings;
+}
+
+#define PNP_INFO_SVCLASS_ID 0x1200
+
+static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
+{
+ u8 *ptr = data, *uuids_start = NULL;
+ struct bt_uuid *uuid;
+
+ if (len < 4)
+ return ptr;
+
+ list_for_each_entry(uuid, &hdev->uuids, list) {
+ u16 uuid16;
+
+ if (uuid->size != 16)
+ continue;
+
+ uuid16 = get_unaligned_le16(&uuid->uuid[12]);
+ if (uuid16 < 0x1100)
+ continue;
+
+ if (uuid16 == PNP_INFO_SVCLASS_ID)
+ continue;
+
+ if (!uuids_start) {
+ uuids_start = ptr;
+ uuids_start[0] = 1;
+ uuids_start[1] = EIR_UUID16_ALL;
+ ptr += 2;
+ }
+
+ /* Stop if not enough space to put next UUID */
+ if ((ptr - data) + sizeof(u16) > len) {
+ uuids_start[1] = EIR_UUID16_SOME;
+ break;
+ }
+
+ *ptr++ = (uuid16 & 0x00ff);
+ *ptr++ = (uuid16 & 0xff00) >> 8;
+ uuids_start[0] += sizeof(uuid16);
+ }
+
+ 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 mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
+{
+ return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
+}
+
+static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
+ struct hci_dev *hdev,
+ const void *data)
+{
+ return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
+}
+
+static u8 create_default_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 u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
+{
+ /* TODO: Set the appropriate entries based on advertising instance flags
+ * here once flags other than 0 are supported.
+ */
+ memcpy(ptr, hdev->adv_instance.scan_rsp_data,
+ hdev->adv_instance.scan_rsp_len);
+
+ return hdev->adv_instance.scan_rsp_len;
+}
+
+static void update_scan_rsp_data_for_instance(struct hci_request *req,
+ u8 instance)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_scan_rsp_data cp;
+ u8 len;
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (instance)
+ len = create_instance_scan_rsp_data(hdev, cp.data);
+ else
+ len = create_default_scan_rsp_data(hdev, cp.data);
+
+ if (hdev->scan_rsp_data_len == len &&
+ !memcmp(cp.data, hdev->scan_rsp_data, len))
+ 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 void update_scan_rsp_data(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ u8 instance;
+
+ /* The "Set Advertising" setting supersedes the "Add Advertising"
+ * setting. Here we set the scan response data based on which
+ * setting was set. When neither apply, default to the global settings,
+ * represented by instance "0".
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
+ !hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ instance = 0x01;
+ else
+ instance = 0x00;
+
+ update_scan_rsp_data_for_instance(req, instance);
+}
+
+static u8 get_adv_discov_flags(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ /* If there's a pending mgmt command the flags will not yet have
+ * their final values, so check for this first.
+ */
+ cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
+ if (cmd) {
+ struct mgmt_mode *cp = cmd->param;
+ if (cp->val == 0x01)
+ return LE_AD_GENERAL;
+ else if (cp->val == 0x02)
+ return LE_AD_LIMITED;
+ } else {
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
+ return LE_AD_LIMITED;
+ else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ return LE_AD_GENERAL;
+ }
+
+ return 0;
+}
+
+static u8 get_current_adv_instance(struct hci_dev *hdev)
+{
+ /* The "Set Advertising" setting supersedes the "Add Advertising"
+ * setting. Here we set the advertising data based on which
+ * setting was set. When neither apply, default to the global settings,
+ * represented by instance "0".
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
+ !hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return 0x01;
+
+ return 0x00;
+}
+
+static bool get_connectable(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ /* If there's a pending mgmt command the flag will not yet have
+ * it's final value, so check for this first.
+ */
+ cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
+ if (cmd) {
+ struct mgmt_mode *cp = cmd->param;
+
+ return cp->val;
+ }
+
+ return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
+}
+
+static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
+{
+ u32 flags;
+
+ if (instance > 0x01)
+ return 0;
+
+ if (instance == 0x01)
+ return hdev->adv_instance.flags;
+
+ /* Instance 0 always manages the "Tx Power" and "Flags" fields */
+ flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
+
+ /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting corresponds
+ * to the "connectable" instance flag.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
+ flags |= MGMT_ADV_FLAG_CONNECTABLE;
+
+ return flags;
+}
+
+static u8 get_adv_instance_scan_rsp_len(struct hci_dev *hdev, u8 instance)
+{
+ /* Ignore instance 0 and other unsupported instances */
+ if (instance != 0x01)
+ return 0;
+
+ /* TODO: Take into account the "appearance" and "local-name" flags here.
+ * These are currently being ignored as they are not supported.
+ */
+ return hdev->adv_instance.scan_rsp_len;
+}
+
+static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
+{
+ u8 ad_len = 0, flags = 0;
+ u32 instance_flags = get_adv_instance_flags(hdev, instance);
+
+ /* The Add Advertising command allows userspace to set both the general
+ * and limited discoverable flags.
+ */
+ if (instance_flags & MGMT_ADV_FLAG_DISCOV)
+ flags |= LE_AD_GENERAL;
+
+ if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
+ flags |= LE_AD_LIMITED;
+
+ if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
+ /* If a discovery flag wasn't provided, simply use the global
+ * settings.
+ */
+ if (!flags)
+ flags |= get_adv_discov_flags(hdev);
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ flags |= LE_AD_NO_BREDR;
+
+ /* If flags would still be empty, then there is no need to
+ * include the "Flags" AD field".
+ */
+ if (flags) {
+ ptr[0] = 0x02;
+ ptr[1] = EIR_FLAGS;
+ ptr[2] = flags;
+
+ ad_len += 3;
+ ptr += 3;
+ }
+ }
+
+ if (instance) {
+ memcpy(ptr, hdev->adv_instance.adv_data,
+ hdev->adv_instance.adv_data_len);
+
+ ad_len += hdev->adv_instance.adv_data_len;
+ ptr += hdev->adv_instance.adv_data_len;
+ }
+
+ /* Provide Tx Power only if we can provide a valid value for it */
+ if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
+ (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
+ ptr[0] = 0x02;
+ 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_for_instance(struct hci_request *req, u8 instance)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = create_instance_adv_data(hdev, instance, cp.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ 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 update_adv_data(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ u8 instance = get_current_adv_instance(hdev);
+
+ update_adv_data_for_instance(req, instance);
+}
+
+int mgmt_update_adv_data(struct hci_dev *hdev)
+{
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+ update_adv_data(&req);
+
+ return hci_req_run(&req, NULL);
+}
+
+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 (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return;
+
+ if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
+ 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 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return;
+
+ if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
+ return;
+
+ cod[0] = hdev->minor_class;
+ cod[1] = hdev->major_class;
+ cod[2] = get_service_classes(hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
+ 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 disable_advertising(struct hci_request *req)
+{
+ u8 enable = 0x00;
+
+ hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
+}
+
+static void enable_advertising(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_adv_param cp;
+ u8 own_addr_type, enable = 0x01;
+ bool connectable;
+ u8 instance;
+ u32 flags;
+
+ if (hci_conn_num(hdev, LE_LINK) > 0)
+ return;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ disable_advertising(req);
+
+ /* Clear the HCI_LE_ADV bit temporarily so that the
+ * hci_update_random_address knows that it's safe to go ahead
+ * and write a new random address. The flag will be set back on
+ * as soon as the SET_ADV_ENABLE HCI command completes.
+ */
+ hci_dev_clear_flag(hdev, HCI_LE_ADV);
+
+ instance = get_current_adv_instance(hdev);
+ flags = get_adv_instance_flags(hdev, instance);
+
+ /* If the "connectable" instance flag was not set, then choose between
+ * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
+ */
+ connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
+ get_connectable(hdev);
+
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
+ return;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
+ cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
+
+ if (connectable)
+ cp.type = LE_ADV_IND;
+ else if (get_adv_instance_scan_rsp_len(hdev, instance))
+ cp.type = LE_ADV_SCAN_IND;
+ else
+ cp.type = LE_ADV_NONCONN_IND;
+
+ cp.own_address_type = own_addr_type;
+ cp.channel_map = hdev->le_adv_channel_map;
+
+ 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 service_cache_off(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ service_cache.work);
+ struct hci_request req;
+
+ if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
+ return;
+
+ hci_req_init(&req, hdev);
+
+ hci_dev_lock(hdev);
+
+ update_eir(&req);
+ update_class(&req);
+
+ hci_dev_unlock(hdev);
+
+ hci_req_run(&req, NULL);
+}
+
+static void rpa_expired(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ rpa_expired.work);
+ struct hci_request req;
+
+ BT_DBG("");
+
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return;
+
+ /* The generation of a new RPA and programming it into the
+ * controller happens in the enable_advertising() function.
+ */
+ hci_req_init(&req, hdev);
+ enable_advertising(&req);
+ hci_req_run(&req, NULL);
+}
+
+static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
+{
+ if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
+ return;
+
+ INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
+ INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
+
+ /* Non-mgmt controlled devices get this bit set
+ * implicitly so that pairing works for them, however
+ * for mgmt we require user-space to explicitly enable
+ * it
+ */
+ hci_dev_clear_flag(hdev, HCI_BONDABLE);
+}
+
+static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_info rp;
+
+ BT_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 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
+ sizeof(rp));
+}
+
+static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
+{
+ __le32 settings = cpu_to_le32(get_current_settings(hdev));
+
+ return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
+ sizeof(settings));
+}
+
+static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ BT_DBG("%s status 0x%02x", hdev->name, status);
+
+ if (hci_conn_count(hdev) == 0) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ }
+}
+
+static bool hci_stop_discovery(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_remote_name_req_cancel cp;
+ struct inquiry_entry *e;
+
+ switch (hdev->discovery.state) {
+ case DISCOVERY_FINDING:
+ if (test_bit(HCI_INQUIRY, &hdev->flags))
+ hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ cancel_delayed_work(&hdev->le_scan_disable);
+ hci_req_add_le_scan_disable(req);
+ }
+
+ return true;
+
+ case DISCOVERY_RESOLVING:
+ e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
+ NAME_PENDING);
+ if (!e)
+ break;
+
+ bacpy(&cp.bdaddr, &e->data.bdaddr);
+ hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
+ &cp);
+
+ return true;
+
+ default:
+ /* Passive scanning */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ hci_req_add_le_scan_disable(req);
+ return true;
+ }
+
+ break;
+ }
+
+ return false;
+}
+
+static void advertising_added(struct sock *sk, struct hci_dev *hdev,
+ u8 instance)
+{
+ struct mgmt_ev_advertising_added ev;
+
+ ev.instance = instance;
+
+ mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
+ u8 instance)
+{
+ struct mgmt_ev_advertising_removed ev;
+
+ ev.instance = instance;
+
+ mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
+}
+
+static void clear_adv_instance(struct hci_dev *hdev)
+{
+ struct hci_request req;
+
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ return;
+
+ if (hdev->adv_instance.timeout)
+ cancel_delayed_work(&hdev->adv_instance.timeout_exp);
+
+ memset(&hdev->adv_instance, 0, sizeof(hdev->adv_instance));
+ advertising_removed(NULL, hdev, 1);
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
+
+ if (!hdev_is_powered(hdev) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return;
+
+ hci_req_init(&req, hdev);
+ disable_advertising(&req);
+ hci_req_run(&req, NULL);
+}
+
+static int clean_up_hci_state(struct hci_dev *hdev)
+{
+ struct hci_request req;
+ struct hci_conn *conn;
+ bool discov_stopped;
+ int err;
+
+ hci_req_init(&req, hdev);
+
+ if (test_bit(HCI_ISCAN, &hdev->flags) ||
+ test_bit(HCI_PSCAN, &hdev->flags)) {
+ u8 scan = 0x00;
+ hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ }
+
+ if (hdev->adv_instance.timeout)
+ clear_adv_instance(hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ disable_advertising(&req);
+
+ discov_stopped = hci_stop_discovery(&req);
+
+ list_for_each_entry(conn, &hdev->conn_hash.list, list) {
+ struct hci_cp_disconnect dc;
+ struct hci_cp_reject_conn_req rej;
+
+ switch (conn->state) {
+ case BT_CONNECTED:
+ case BT_CONFIG:
+ dc.handle = cpu_to_le16(conn->handle);
+ dc.reason = 0x15; /* Terminated due to Power Off */
+ hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
+ break;
+ case BT_CONNECT:
+ if (conn->type == LE_LINK)
+ hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
+ 0, NULL);
+ else if (conn->type == ACL_LINK)
+ hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
+ 6, &conn->dst);
+ break;
+ case BT_CONNECT2:
+ bacpy(&rej.bdaddr, &conn->dst);
+ rej.reason = 0x15; /* Terminated due to Power Off */
+ if (conn->type == ACL_LINK)
+ hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
+ sizeof(rej), &rej);
+ else if (conn->type == SCO_LINK)
+ hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
+ sizeof(rej), &rej);
+ break;
+ }
+ }
+
+ err = hci_req_run(&req, clean_up_hci_complete);
+ if (!err && discov_stopped)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+
+ return err;
+}
+
+static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
+ 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);
+ err = 0;
+ } else {
+ /* Disconnect connections, stop scans, etc */
+ err = clean_up_hci_state(hdev);
+ if (!err)
+ queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
+ HCI_POWER_OFF_TIMEOUT);
+
+ /* ENODATA means there were no HCI commands queued */
+ if (err == -ENODATA) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ err = 0;
+ }
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int new_settings(struct hci_dev *hdev, struct sock *skip)
+{
+ __le32 ev = cpu_to_le32(get_current_settings(hdev));
+
+ return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
+ sizeof(ev), skip);
+}
+
+int mgmt_new_settings(struct hci_dev *hdev)
+{
+ return new_settings(hdev, NULL);
+}
+
+struct cmd_lookup {
+ struct sock *sk;
+ struct hci_dev *hdev;
+ u8 mgmt_status;
+};
+
+static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct cmd_lookup *match = data;
+
+ send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
+
+ list_del(&cmd->list);
+
+ if (match->sk == NULL) {
+ match->sk = cmd->sk;
+ sock_hold(match->sk);
+ }
+
+ mgmt_pending_free(cmd);
+}
+
+static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ u8 *status = data;
+
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
+ mgmt_pending_remove(cmd);
+}
+
+static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ if (cmd->cmd_complete) {
+ u8 *status = data;
+
+ cmd->cmd_complete(cmd, *status);
+ mgmt_pending_remove(cmd);
+
+ return;
+ }
+
+ cmd_status_rsp(cmd, data);
+}
+
+static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
+ cmd->param, cmd->param_len);
+}
+
+static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
+ cmd->param, sizeof(struct mgmt_addr_info));
+}
+
+static u8 mgmt_bredr_support(struct hci_dev *hdev)
+{
+ if (!lmp_bredr_capable(hdev))
+ return MGMT_STATUS_NOT_SUPPORTED;
+ else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return MGMT_STATUS_REJECTED;
+ else
+ return MGMT_STATUS_SUCCESS;
+}
+
+static u8 mgmt_le_support(struct hci_dev *hdev)
+{
+ if (!lmp_le_capable(hdev))
+ return MGMT_STATUS_NOT_SUPPORTED;
+ else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return MGMT_STATUS_REJECTED;
+ else
+ return MGMT_STATUS_SUCCESS;
+}
+
+static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_mode *cp;
+ struct hci_request req;
+ bool changed;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ goto remove_cmd;
+ }
+
+ cp = cmd->param;
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
+
+ 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 = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
+ }
+
+ 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. Also update page scan based on whitelist
+ * entries.
+ */
+ hci_req_init(&req, hdev);
+ __hci_update_page_scan(&req);
+ 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 mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u16 timeout;
+ u8 scan;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ timeout = __le16_to_cpu(cp->timeout);
+
+ /* Disabling discoverable requires that no timeout is set,
+ * and enabling limited discoverable requires a timeout.
+ */
+ if ((cp->val == 0x00 && timeout > 0) ||
+ (cp->val == 0x02 && timeout == 0))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev) && timeout > 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_NOT_POWERED);
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
+ pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_REJECTED);
+ goto failed;
+ }
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed = false;
+
+ /* Setting limited discoverable when powered off is
+ * not a valid operation since it requires a timeout
+ * and so no need to check HCI_LIMITED_DISCOVERABLE.
+ */
+ if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
+ hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
+ changed = true;
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ /* If the current mode is the same, then just update the timeout
+ * value with the new value. And if only the timeout gets updated,
+ * then no need for any HCI transactions.
+ */
+ if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
+ (cp->val == 0x02) == hci_dev_test_flag(hdev,
+ HCI_LIMITED_DISCOVERABLE)) {
+ cancel_delayed_work(&hdev->discov_off);
+ hdev->discov_timeout = timeout;
+
+ if (cp->val && hdev->discov_timeout > 0) {
+ int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
+ queue_delayed_work(hdev->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)
+ hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+
+ hci_req_init(&req, hdev);
+
+ /* The procedure for LE-only controllers is much simpler - just
+ * update the advertising data.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ 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 = min_t(u8, hdev->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 {
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ }
+
+ 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 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return;
+
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return;
+
+ if (enable) {
+ type = PAGE_SCAN_TYPE_INTERLACED;
+
+ /* 160 msec page scan interval */
+ acp.interval = cpu_to_le16(0x0100);
+ } else {
+ type = PAGE_SCAN_TYPE_STANDARD; /* default */
+
+ /* default 1.28 sec page scan */
+ acp.interval = cpu_to_le16(0x0800);
+ }
+
+ acp.window = 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 void set_connectable_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_mode *cp;
+ bool conn_changed, discov_changed;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ goto remove_cmd;
+ }
+
+ cp = cmd->param;
+ if (cp->val) {
+ conn_changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_CONNECTABLE);
+ discov_changed = false;
+ } else {
+ conn_changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_CONNECTABLE);
+ discov_changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_DISCOVERABLE);
+ }
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
+
+ if (conn_changed || discov_changed) {
+ new_settings(hdev, cmd->sk);
+ hci_update_page_scan(hdev);
+ if (discov_changed)
+ mgmt_update_adv_data(hdev);
+ hci_update_background_scan(hdev);
+ }
+
+remove_cmd:
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_connectable_update_settings(struct hci_dev *hdev,
+ struct sock *sk, u8 val)
+{
+ bool changed = false;
+ int err;
+
+ if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
+ changed = true;
+
+ if (val) {
+ hci_dev_set_flag(hdev, HCI_CONNECTABLE);
+ } else {
+ hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
+ if (err < 0)
+ return err;
+
+ if (changed) {
+ hci_update_page_scan(hdev);
+ hci_update_background_scan(hdev);
+ return new_settings(hdev, sk);
+ }
+
+ return 0;
+}
+
+static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u8 scan;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = set_connectable_update_settings(hdev, sk, cp->val);
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
+ pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ 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 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ if (!cp->val) {
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ }
+ update_adv_data(&req);
+ } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
+ if (cp->val) {
+ scan = SCAN_PAGE;
+ } else {
+ /* If we don't have any whitelist entries just
+ * disable all scanning. If there are entries
+ * and we had both page and inquiry scanning
+ * enabled then fall back to only page scanning.
+ * Otherwise no changes are needed.
+ */
+ if (list_empty(&hdev->whitelist))
+ scan = SCAN_DISABLED;
+ else if (test_bit(HCI_ISCAN, &hdev->flags))
+ scan = SCAN_PAGE;
+ else
+ goto no_scan_update;
+
+ 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);
+ }
+
+no_scan_update:
+ /* Update the advertising parameters if necessary */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ 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_bondable(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 mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u8 val, status;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ status);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed = false;
+
+ if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
+ hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
+ changed = true;
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ val = !!cp->val;
+
+ if (test_bit(HCI_AUTH, &hdev->flags) == val) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u8 status;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
+
+ if (!lmp_ssp_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed;
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_SSP_ENABLED);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_SSP_ENABLED);
+ if (!changed)
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_HS_ENABLED);
+ else
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_SSP, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
+ hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+ sizeof(cp->val), &cp->val);
+
+ err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ bool changed;
+ u8 status;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
+
+ if (!lmp_ssp_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_SSP, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
+ } else {
+ if (hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct cmd_lookup match = { NULL, hdev };
+
+ hci_dev_lock(hdev);
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+
+ mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
+ &mgmt_err);
+ goto unlock;
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
+
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+
+ /* Make sure the controller has a good default for
+ * advertising data. Restrict the update to when LE
+ * has actually been enabled. During power on, the
+ * update in powered_update_hci will take care of it.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+ update_adv_data(&req);
+ update_scan_rsp_data(&req);
+ __hci_update_background_scan(&req);
+ hci_req_run(&req, NULL);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct hci_cp_write_le_host_supported hci_cp;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+ u8 val, enabled;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Bluetooth single mode LE only controllers or dual-mode
+ * controllers configured as LE only devices, do not allow
+ * switching LE off. These have either LE enabled explicitly
+ * or BR/EDR has been previously switched off.
+ *
+ * When trying to enable an already enabled LE, then gracefully
+ * send a positive response. Trying to disable it however will
+ * result into rejection.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ if (cp->val == 0x01)
+ return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
+
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_REJECTED);
+ }
+
+ hci_dev_lock(hdev);
+
+ val = !!cp->val;
+ enabled = lmp_host_le_capable(hdev);
+
+ if (!hdev_is_powered(hdev) || val == enabled) {
+ bool changed = false;
+
+ if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
+ hci_dev_change_flag(hdev, HCI_LE_ENABLED);
+ changed = true;
+ }
+
+ if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING);
+ changed = true;
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_SET_LE, hdev) ||
+ pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ memset(&hci_cp, 0, sizeof(hci_cp));
+
+ if (val) {
+ hci_cp.le = val;
+ hci_cp.simul = 0x00;
+ } else {
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ 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 mgmt_pending_cmd *cmd;
+
+ list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+ switch (cmd->opcode) {
+ case MGMT_OP_ADD_UUID:
+ case MGMT_OP_REMOVE_UUID:
+ case MGMT_OP_SET_DEV_CLASS:
+ case MGMT_OP_SET_POWERED:
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static const u8 bluetooth_base_uuid[] = {
+ 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
+ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static u8 get_uuid_size(const u8 *uuid)
+{
+ u32 val;
+
+ if (memcmp(uuid, bluetooth_base_uuid, 12))
+ return 128;
+
+ val = get_unaligned_le32(&uuid[12]);
+ if (val > 0xffff)
+ return 32;
+
+ return 16;
+}
+
+static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(mgmt_op, hdev);
+ if (!cmd)
+ goto unlock;
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status), hdev->dev_class, 3);
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ BT_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 mgmt_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 = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
+ if (!uuid) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ memcpy(uuid->uuid, cp->uuid, 16);
+ uuid->svc_hint = cp->svc_hint;
+ uuid->size = get_uuid_size(cp->uuid);
+
+ list_add_tail(&uuid->list, &hdev->uuids);
+
+ hci_req_init(&req, hdev);
+
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, add_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto failed;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
+ hdev->dev_class, 3);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ err = 0;
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool enable_service_cache(struct hci_dev *hdev)
+{
+ if (!hdev_is_powered(hdev))
+ return false;
+
+ if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
+ queue_delayed_work(hdev->workqueue, &hdev->service_cache,
+ CACHE_TIMEOUT);
+ return true;
+ }
+
+ return false;
+}
+
+static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ BT_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 mgmt_pending_cmd *cmd;
+ struct bt_uuid *match, *tmp;
+ u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+ struct hci_request req;
+ int err, found;
+
+ BT_DBG("request for %s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (pending_eir_or_class(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
+ hci_uuids_clear(hdev);
+
+ if (enable_service_cache(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_UUID,
+ 0, hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ goto update_class;
+ }
+
+ found = 0;
+
+ list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
+ if (memcmp(match->uuid, cp->uuid, 16) != 0)
+ continue;
+
+ list_del(&match->list);
+ kfree(match);
+ found++;
+ }
+
+ if (found == 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+update_class:
+ hci_req_init(&req, hdev);
+
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, remove_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
+ hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ BT_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 mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_bredr_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ if (pending_eir_or_class(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ hdev->major_class = cp->major;
+ hdev->minor_class = cp->minor;
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
+ hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
+ hci_dev_unlock(hdev);
+ cancel_delayed_work_sync(&hdev->service_cache);
+ hci_dev_lock(hdev);
+ update_eir(&req);
+ }
+
+ update_class(&req);
+
+ err = hci_req_run(&req, set_class_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
+ hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_load_link_keys *cp = data;
+ const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_link_key_info));
+ u16 key_count, expected_len;
+ bool changed;
+ int i;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_bredr_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ key_count = __le16_to_cpu(cp->key_count);
+ if (key_count > max_key_count) {
+ BT_ERR("load_link_keys: too big key_count value %u",
+ key_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = 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",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ BT_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 || key->type > 0x08)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_link_keys_clear(hdev);
+
+ if (cp->debug_keys)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_KEEP_DEBUG_KEYS);
+
+ if (changed)
+ new_settings(hdev, NULL);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_link_key_info *key = &cp->keys[i];
+
+ /* Always ignore debug keys and require a new pairing if
+ * the user wants to use them.
+ */
+ if (key->type == HCI_LK_DEBUG_COMBINATION)
+ continue;
+
+ hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
+ key->type, key->pin_len, NULL);
+ }
+
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type, struct sock *skip_sk)
+{
+ struct mgmt_ev_device_unpaired ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = addr_type;
+
+ return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
+ skip_sk);
+}
+
+static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_unpair_device *cp = data;
+ struct mgmt_rp_unpair_device rp;
+ struct hci_cp_disconnect dc;
+ struct mgmt_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 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ /* If disconnection is requested, then look up the
+ * connection. If the remote device is connected, it
+ * will be later used to terminate the link.
+ *
+ * Setting it to NULL explicitly will cause no
+ * termination of the link.
+ */
+ if (cp->disconnect)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = NULL;
+
+ err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
+ } else {
+ u8 addr_type;
+
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
+ &cp->addr.bdaddr);
+ if (conn) {
+ /* Defer clearing up the connection parameters
+ * until closing to give a chance of keeping
+ * them if a repairing happens.
+ */
+ set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
+
+ /* If disconnection is not requested, then
+ * clear the connection variable so that the
+ * link is not terminated.
+ */
+ if (!cp->disconnect)
+ conn = NULL;
+ }
+
+ if (cp->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
+
+ err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
+ }
+
+ if (err < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_NOT_PAIRED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ /* If the connection variable is set, then termination of the
+ * link is requested.
+ */
+ if (!conn) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
+ &rp, sizeof(rp));
+ device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
+ sizeof(*cp));
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ 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 mgmt_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 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!test_bit(HCI_UP, &hdev->flags)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_BUSY, &rp, sizeof(rp));
+ goto failed;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
+
+ if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_NOT_CONNECTED, &rp,
+ sizeof(rp));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = generic_cmd_complete;
+
+ err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
+{
+ switch (link_type) {
+ case LE_LINK:
+ switch (addr_type) {
+ case ADDR_LE_DEV_PUBLIC:
+ return BDADDR_LE_PUBLIC;
+
+ default:
+ /* Fallback to LE Random address type */
+ return BDADDR_LE_RANDOM;
+ }
+
+ default:
+ /* Fallback to BR/EDR type */
+ return BDADDR_BREDR;
+ }
+}
+
+static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_get_connections *rp;
+ struct hci_conn *c;
+ size_t rp_len;
+ int err;
+ u16 i;
+
+ BT_DBG("");
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
+ MGMT_STATUS_NOT_POWERED);
+ goto unlock;
+ }
+
+ i = 0;
+ list_for_each_entry(c, &hdev->conn_hash.list, list) {
+ if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
+ i++;
+ }
+
+ rp_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 = mgmt_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 mgmt_pending_cmd *cmd;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
+ sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
+ sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+ return err;
+}
+
+static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct hci_conn *conn;
+ struct mgmt_cp_pin_code_reply *cp = data;
+ struct hci_cp_pin_code_reply reply;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ BT_DBG("");
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_NOT_POWERED);
+ goto failed;
+ }
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
+ if (!conn) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_NOT_CONNECTED);
+ goto failed;
+ }
+
+ if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
+ struct mgmt_cp_pin_code_neg_reply ncp;
+
+ memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
+
+ BT_ERR("PIN code is not 16 bytes long");
+
+ err = send_pin_code_neg_reply(sk, hdev, &ncp);
+ if (err >= 0)
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ bacpy(&reply.bdaddr, &cp->addr.bdaddr);
+ reply.pin_len = cp->pin_len;
+ memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
+
+ err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_io_capability *cp = data;
+
+ BT_DBG("");
+
+ if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
+ MGMT_STATUS_INVALID_PARAMS, NULL, 0);
+
+ 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 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
+ NULL, 0);
+}
+
+static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct mgmt_pending_cmd *cmd;
+
+ list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+ if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
+ continue;
+
+ if (cmd->user_data != conn)
+ continue;
+
+ return cmd;
+ }
+
+ return NULL;
+}
+
+static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ struct mgmt_rp_pair_device rp;
+ struct hci_conn *conn = cmd->user_data;
+ int err;
+
+ bacpy(&rp.addr.bdaddr, &conn->dst);
+ rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+
+ err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
+ status, &rp, sizeof(rp));
+
+ /* So we don't get further callbacks for this connection */
+ conn->connect_cfm_cb = NULL;
+ conn->security_cfm_cb = NULL;
+ conn->disconn_cfm_cb = NULL;
+
+ hci_conn_drop(conn);
+
+ /* The device is paired so there is no need to remove
+ * its connection parameters anymore.
+ */
+ clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
+
+ hci_conn_put(conn);
+
+ return err;
+}
+
+void mgmt_smp_complete(struct hci_conn *conn, bool complete)
+{
+ u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = find_pairing(conn);
+ if (cmd) {
+ cmd->cmd_complete(cmd, status);
+ mgmt_pending_remove(cmd);
+ }
+}
+
+static void pairing_complete_cb(struct hci_conn *conn, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status %u", status);
+
+ cmd = find_pairing(conn);
+ if (!cmd) {
+ BT_DBG("Unable to find a pending command");
+ return;
+ }
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status %u", status);
+
+ if (!status)
+ return;
+
+ cmd = find_pairing(conn);
+ if (!cmd) {
+ BT_DBG("Unable to find a pending command");
+ return;
+ }
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_pair_device *cp = data;
+ struct mgmt_rp_pair_device rp;
+ struct mgmt_pending_cmd *cmd;
+ u8 sec_level, auth_type;
+ struct hci_conn *conn;
+ int err;
+
+ BT_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 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_ALREADY_PAIRED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ sec_level = BT_SECURITY_MEDIUM;
+ auth_type = HCI_AT_DEDICATED_BONDING;
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
+ auth_type);
+ } else {
+ u8 addr_type;
+
+ /* Convert from L2CAP channel address type to HCI address type
+ */
+ if (cp->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ /* When pairing a new device, it is expected to remember
+ * this device for future connections. Adding the connection
+ * parameter information ahead of time allows tracking
+ * of the slave preferred values and will speed up any
+ * further connection establishment.
+ *
+ * If connection parameters already exist, then they
+ * will be kept and this function does nothing.
+ */
+ hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
+
+ conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
+ sec_level, HCI_LE_CONN_TIMEOUT,
+ HCI_ROLE_MASTER);
+ }
+
+ if (IS_ERR(conn)) {
+ int status;
+
+ if (PTR_ERR(conn) == -EBUSY)
+ status = MGMT_STATUS_BUSY;
+ else if (PTR_ERR(conn) == -EOPNOTSUPP)
+ status = MGMT_STATUS_NOT_SUPPORTED;
+ else if (PTR_ERR(conn) == -ECONNREFUSED)
+ status = MGMT_STATUS_REJECTED;
+ else
+ status = MGMT_STATUS_CONNECT_FAILED;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ status, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ if (conn->connect_cfm_cb) {
+ hci_conn_drop(conn);
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_BUSY, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
+ cmd->cmd_complete = pairing_complete;
+
+ /* For LE, just connecting isn't a proof that the pairing finished */
+ if (cp->addr.type == BDADDR_BREDR) {
+ conn->connect_cfm_cb = pairing_complete_cb;
+ conn->security_cfm_cb = pairing_complete_cb;
+ conn->disconn_cfm_cb = pairing_complete_cb;
+ } else {
+ conn->connect_cfm_cb = le_pairing_complete_cb;
+ conn->security_cfm_cb = le_pairing_complete_cb;
+ conn->disconn_cfm_cb = le_pairing_complete_cb;
+ }
+
+ conn->io_capability = cp->io_cap;
+ cmd->user_data = hci_conn_get(conn);
+
+ if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
+ hci_conn_security(conn, sec_level, auth_type, true)) {
+ cmd->cmd_complete(cmd, 0);
+ mgmt_pending_remove(cmd);
+ }
+
+ err = 0;
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_addr_info *addr = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ BT_DBG("");
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED);
+ goto unlock;
+ }
+
+ cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
+ if (!cmd) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ conn = cmd->user_data;
+
+ if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
+ mgmt_pending_remove(cmd);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
+ addr, sizeof(*addr));
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_addr_info *addr, u16 mgmt_op,
+ u16 hci_op, __le32 passkey)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_POWERED, addr,
+ sizeof(*addr));
+ goto done;
+ }
+
+ if (addr->type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
+ else
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
+
+ if (!conn) {
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_CONNECTED, addr,
+ sizeof(*addr));
+ goto done;
+ }
+
+ if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
+ err = smp_user_confirm_reply(conn, mgmt_op, passkey);
+ if (!err)
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_SUCCESS, addr,
+ sizeof(*addr));
+ else
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_FAILED, addr,
+ sizeof(*addr));
+
+ goto done;
+ }
+
+ cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
+ if (!cmd) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ /* Continue with pairing via HCI */
+ if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
+ struct hci_cp_user_passkey_reply cp;
+
+ bacpy(&cp.bdaddr, &addr->bdaddr);
+ cp.passkey = passkey;
+ err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
+ } else
+ err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
+ &addr->bdaddr);
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+done:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_pin_code_neg_reply *cp = data;
+
+ BT_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 mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_USER_CONFIRM_REPLY,
+ HCI_OP_USER_CONFIRM_REPLY, 0);
+}
+
+static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_user_confirm_neg_reply *cp = data;
+
+ BT_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, u16 opcode)
+{
+ struct mgmt_cp_set_local_name *cp;
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cp = cmd->param;
+
+ if (status)
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ mgmt_status(status));
+ else
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ cp, sizeof(*cp));
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_local_name *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_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 = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ goto failed;
+ }
+
+ memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
+
+ if (!hdev_is_powered(hdev)) {
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ if (err < 0)
+ goto failed;
+
+ err = mgmt_generic_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 void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode, struct sk_buff *skb)
+{
+ struct mgmt_rp_read_local_oob_data mgmt_rp;
+ size_t rp_size = sizeof(mgmt_rp);
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
+ if (!cmd)
+ return;
+
+ if (status || !skb) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ status ? mgmt_status(status) : MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memset(&mgmt_rp, 0, sizeof(mgmt_rp));
+
+ if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+ if (skb->len < sizeof(*rp)) {
+ mgmt_cmd_status(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
+ memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
+
+ rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
+ } else {
+ struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
+
+ if (skb->len < sizeof(*rp)) {
+ mgmt_cmd_status(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
+ memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
+
+ memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
+ memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
+ }
+
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
+
+remove:
+ mgmt_pending_remove(cmd);
+}
+
+static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_NOT_POWERED);
+ goto unlock;
+ }
+
+ if (!lmp_ssp_capable(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_NOT_SUPPORTED);
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ if (bredr_sc_enabled(hdev))
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
+ else
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+
+ err = hci_req_run_skb(&req, read_local_oob_data_complete);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_addr_info *addr = data;
+ int err;
+
+ BT_DBG("%s ", hdev->name);
+
+ if (!bdaddr_type_is_valid(addr->type))
+ return mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ addr, sizeof(*addr));
+
+ hci_dev_lock(hdev);
+
+ if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
+ struct mgmt_cp_add_remote_oob_data *cp = data;
+ u8 status;
+
+ if (cp->addr.type != BDADDR_BREDR) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
+ cp->addr.type, cp->hash,
+ cp->rand, NULL, NULL);
+ if (err < 0)
+ status = MGMT_STATUS_FAILED;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA, status,
+ &cp->addr, sizeof(cp->addr));
+ } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
+ struct mgmt_cp_add_remote_oob_ext_data *cp = data;
+ u8 *rand192, *hash192, *rand256, *hash256;
+ u8 status;
+
+ if (bdaddr_type_is_le(cp->addr.type)) {
+ /* Enforce zero-valued 192-bit parameters as
+ * long as legacy SMP OOB isn't implemented.
+ */
+ if (memcmp(cp->rand192, ZERO_KEY, 16) ||
+ memcmp(cp->hash192, ZERO_KEY, 16)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ addr, sizeof(*addr));
+ goto unlock;
+ }
+
+ rand192 = NULL;
+ hash192 = NULL;
+ } else {
+ /* In case one of the P-192 values is set to zero,
+ * then just disable OOB data for P-192.
+ */
+ if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
+ !memcmp(cp->hash192, ZERO_KEY, 16)) {
+ rand192 = NULL;
+ hash192 = NULL;
+ } else {
+ rand192 = cp->rand192;
+ hash192 = cp->hash192;
+ }
+ }
+
+ /* In case one of the P-256 values is set to zero, then just
+ * disable OOB data for P-256.
+ */
+ if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
+ !memcmp(cp->hash256, ZERO_KEY, 16)) {
+ rand256 = NULL;
+ hash256 = NULL;
+ } else {
+ rand256 = cp->rand256;
+ hash256 = cp->hash256;
+ }
+
+ err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
+ cp->addr.type, hash192, rand192,
+ hash256, rand256);
+ if (err < 0)
+ status = MGMT_STATUS_FAILED;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ status, &cp->addr, sizeof(cp->addr));
+ } else {
+ BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_remove_remote_oob_data *cp = data;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (cp->addr.type != BDADDR_BREDR)
+ return mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+ hci_remote_oob_data_clear(hdev);
+ status = MGMT_STATUS_SUCCESS;
+ goto done;
+ }
+
+ err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
+ if (err < 0)
+ status = MGMT_STATUS_INVALID_PARAMS;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ status, &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_inquiry cp;
+ /* General inquiry access code (GIAC) */
+ u8 lap[3] = { 0x33, 0x8b, 0x9e };
+
+ *status = mgmt_bredr_support(hdev);
+ if (*status)
+ return false;
+
+ if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
+ *status = MGMT_STATUS_BUSY;
+ return false;
+ }
+
+ hci_inquiry_cache_flush(hdev);
+
+ memset(&cp, 0, sizeof(cp));
+ memcpy(&cp.lap, lap, sizeof(cp.lap));
+ cp.length = DISCOV_BREDR_INQUIRY_LEN;
+
+ hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
+
+ return true;
+}
+
+static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_scan_param param_cp;
+ struct hci_cp_le_set_scan_enable enable_cp;
+ u8 own_addr_type;
+ int err;
+
+ *status = mgmt_le_support(hdev);
+ if (*status)
+ return false;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
+ /* Don't let discovery abort an outgoing connection attempt
+ * that's using directed advertising.
+ */
+ if (hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT)) {
+ *status = MGMT_STATUS_REJECTED;
+ return false;
+ }
+
+ disable_advertising(req);
+ }
+
+ /* If controller is scanning, it means the background scanning is
+ * running. Thus, we should temporarily stop it in order to set the
+ * discovery scanning parameters.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(req);
+
+ /* All active scans will be done with either a resolvable private
+ * address (when privacy feature has been enabled) or non-resolvable
+ * private address.
+ */
+ err = hci_update_random_address(req, true, &own_addr_type);
+ if (err < 0) {
+ *status = MGMT_STATUS_FAILED;
+ return false;
+ }
+
+ memset(&param_cp, 0, sizeof(param_cp));
+ param_cp.type = LE_SCAN_ACTIVE;
+ param_cp.interval = cpu_to_le16(interval);
+ param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
+ param_cp.own_address_type = own_addr_type;
+
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
+ &param_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);
+
+ return true;
+}
+
+static bool trigger_discovery(struct hci_request *req, u8 *status)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ switch (hdev->discovery.type) {
+ case DISCOV_TYPE_BREDR:
+ if (!trigger_bredr_inquiry(req, status))
+ return false;
+ break;
+
+ case DISCOV_TYPE_INTERLEAVED:
+ if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
+ &hdev->quirks)) {
+ /* During simultaneous discovery, we double LE scan
+ * interval. We must leave some time for the controller
+ * to do BR/EDR inquiry.
+ */
+ if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
+ status))
+ return false;
+
+ if (!trigger_bredr_inquiry(req, status))
+ return false;
+
+ return true;
+ }
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ *status = MGMT_STATUS_NOT_SUPPORTED;
+ return false;
+ }
+ /* fall through */
+
+ case DISCOV_TYPE_LE:
+ if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
+ return false;
+ break;
+
+ default:
+ *status = MGMT_STATUS_INVALID_PARAMS;
+ return false;
+ }
+
+ return true;
+}
+
+static void start_discovery_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ unsigned long timeout;
+
+ BT_DBG("status %d", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
+ if (!cmd)
+ cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
+
+ if (cmd) {
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+ }
+
+ if (status) {
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ goto unlock;
+ }
+
+ hci_discovery_set_state(hdev, DISCOVERY_FINDING);
+
+ /* If the scan involves LE scan, pick proper timeout to schedule
+ * hdev->le_scan_disable that will stop it.
+ */
+ switch (hdev->discovery.type) {
+ case DISCOV_TYPE_LE:
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ break;
+ case DISCOV_TYPE_INTERLEAVED:
+ /* When running simultaneous discovery, the LE scanning time
+ * should occupy the whole discovery time sine BR/EDR inquiry
+ * and LE scanning are scheduled by the controller.
+ *
+ * For interleaving discovery in comparison, BR/EDR inquiry
+ * and LE scanning are done sequentially with separate
+ * timeouts.
+ */
+ if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ else
+ timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
+ break;
+ case DISCOV_TYPE_BREDR:
+ timeout = 0;
+ break;
+ default:
+ BT_ERR("Invalid discovery type %d", hdev->discovery.type);
+ timeout = 0;
+ break;
+ }
+
+ if (timeout) {
+ /* When service discovery is used and the controller has
+ * a strict duplicate filter, it is important to remember
+ * the start and duration of the scan. This is required
+ * for restarting scanning during the discovery phase.
+ */
+ if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
+ &hdev->quirks) &&
+ hdev->discovery.result_filtering) {
+ hdev->discovery.scan_start = jiffies;
+ hdev->discovery.scan_duration = timeout;
+ }
+
+ queue_delayed_work(hdev->workqueue,
+ &hdev->le_scan_disable, timeout);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int start_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_start_discovery *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
+ MGMT_STATUS_NOT_POWERED,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery.state != DISCOVERY_STOPPED ||
+ hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
+ MGMT_STATUS_BUSY, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = generic_cmd_complete;
+
+ /* Clear the discovery filter first to free any previously
+ * allocated memory for the UUID list.
+ */
+ hci_discovery_filter_clear(hdev);
+
+ hdev->discovery.type = cp->type;
+ hdev->discovery.report_invalid_rssi = false;
+
+ hci_req_init(&req, hdev);
+
+ if (!trigger_discovery(&req, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ err = hci_req_run(&req, start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
+ u8 status)
+{
+ return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
+ cmd->param, 1);
+}
+
+static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_start_service_discovery *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
+ u16 uuid_count, expected_len;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_NOT_POWERED,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery.state != DISCOVERY_STOPPED ||
+ hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_BUSY, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ uuid_count = __le16_to_cpu(cp->uuid_count);
+ if (uuid_count > max_uuid_count) {
+ BT_ERR("service_discovery: too big uuid_count value %u",
+ uuid_count);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ expected_len = sizeof(*cp) + uuid_count * 16;
+ if (expected_len != len) {
+ BT_ERR("service_discovery: expected %u bytes, got %u bytes",
+ expected_len, len);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
+ hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = service_discovery_cmd_complete;
+
+ /* Clear the discovery filter first to free any previously
+ * allocated memory for the UUID list.
+ */
+ hci_discovery_filter_clear(hdev);
+
+ hdev->discovery.result_filtering = true;
+ hdev->discovery.type = cp->type;
+ hdev->discovery.rssi = cp->rssi;
+ hdev->discovery.uuid_count = uuid_count;
+
+ if (uuid_count > 0) {
+ hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
+ GFP_KERNEL);
+ if (!hdev->discovery.uuids) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_FAILED,
+ &cp->type, sizeof(cp->type));
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+ }
+
+ hci_req_init(&req, hdev);
+
+ if (!trigger_discovery(&req, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ err = hci_req_run(&req, start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status %d", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
+ if (cmd) {
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+ }
+
+ if (!status)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+
+ 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 mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!hci_discovery_active(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
+ MGMT_STATUS_REJECTED, &mgmt_cp->type,
+ sizeof(mgmt_cp->type));
+ goto unlock;
+ }
+
+ if (hdev->discovery.type != mgmt_cp->type) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS,
+ &mgmt_cp->type, sizeof(mgmt_cp->type));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = generic_cmd_complete;
+
+ hci_req_init(&req, hdev);
+
+ hci_stop_discovery(&req);
+
+ err = hci_req_run(&req, stop_discovery_complete);
+ if (!err) {
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+ goto unlock;
+ }
+
+ mgmt_pending_remove(cmd);
+
+ /* If no HCI commands were sent we're done */
+ if (err == -ENODATA) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
+ &mgmt_cp->type, sizeof(mgmt_cp->type));
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ }
+
+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 = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
+ MGMT_STATUS_FAILED, &cp->addr,
+ sizeof(cp->addr));
+ goto failed;
+ }
+
+ e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
+ if (!e) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
+ MGMT_STATUS_INVALID_PARAMS, &cp->addr,
+ sizeof(cp->addr));
+ goto failed;
+ }
+
+ if (cp->name_known) {
+ e->name_state = NAME_KNOWN;
+ list_del(&e->list);
+ } else {
+ e->name_state = NAME_NEEDED;
+ hci_inquiry_cache_update_resolve(hdev, e);
+ }
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
+ &cp->addr, sizeof(cp->addr));
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_block_device *cp = data;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err < 0) {
+ status = MGMT_STATUS_FAILED;
+ goto done;
+ }
+
+ mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+ sk);
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_unblock_device *cp = data;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err < 0) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+ sk);
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_device_id *cp = data;
+ struct hci_request req;
+ int err;
+ __u16 source;
+
+ BT_DBG("%s", hdev->name);
+
+ source = __le16_to_cpu(cp->source);
+
+ if (source > 0x0002)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ hdev->devid_source = source;
+ hdev->devid_vendor = __le16_to_cpu(cp->vendor);
+ hdev->devid_product = __le16_to_cpu(cp->product);
+ hdev->devid_version = __le16_to_cpu(cp->version);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
+ NULL, 0);
+
+ hci_req_init(&req, hdev);
+ update_eir(&req);
+ hci_req_run(&req, NULL);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ BT_DBG("status %d", status);
+}
+
+static void set_advertising_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ struct hci_request req;
+
+ hci_dev_lock(hdev);
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+
+ mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
+ cmd_status_rsp, &mgmt_err);
+ goto unlock;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ hci_dev_set_flag(hdev, HCI_ADVERTISING);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING);
+
+ mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
+ &match);
+
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+
+ /* If "Set Advertising" was just disabled and instance advertising was
+ * set up earlier, then enable the advertising instance.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ goto unlock;
+
+ hci_req_init(&req, hdev);
+
+ update_adv_data(&req);
+ enable_advertising(&req);
+
+ if (hci_req_run(&req, enable_advertising_instance) < 0)
+ BT_ERR("Failed to re-configure advertising");
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u8 val, status;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ status = mgmt_le_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ status);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ val = !!cp->val;
+
+ /* The following conditions are ones which mean that we should
+ * not do any HCI communication but directly send a mgmt
+ * response to user space (after toggling the flag if
+ * necessary).
+ */
+ if (!hdev_is_powered(hdev) ||
+ (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
+ (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
+ hci_conn_num(hdev, LE_LINK) > 0 ||
+ (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
+ hdev->le_scan_type == LE_SCAN_ACTIVE)) {
+ bool changed;
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_SET_LE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+
+ if (val) {
+ /* Switch to instance "0" for the Set Advertising setting. */
+ update_adv_data_for_instance(&req, 0);
+ update_scan_rsp_data_for_instance(&req, 0);
+ 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 mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_REJECTED);
+
+ if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
+ if (!bacmp(&cp->bdaddr, BDADDR_NONE))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Two most significant bits shall be set */
+ if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ bacpy(&hdev->static_addr, &cp->bdaddr);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_scan_params *cp = data;
+ __u16 interval, window;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ interval = __le16_to_cpu(cp->interval);
+
+ if (interval < 0x0004 || interval > 0x4000)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ window = __le16_to_cpu(cp->window);
+
+ if (window < 0x0004 || window > 0x4000)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (window > interval)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ hdev->le_scan_interval = interval;
+ hdev->le_scan_window = window;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
+ NULL, 0);
+
+ /* If background scan is running, restart it so new parameters are
+ * loaded.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
+ hdev->discovery.state == DISCOVERY_STOPPED) {
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+
+ hci_req_add_le_scan_disable(&req);
+ hci_req_add_le_passive_scan(&req);
+
+ hci_req_run(&req, NULL);
+ }
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ mgmt_status(status));
+ } else {
+ struct mgmt_mode *cp = cmd->param;
+
+ if (cp->val)
+ hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ new_settings(hdev, cmd->sk);
+ }
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
+ hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
+ hdev);
+ goto unlock;
+ }
+
+ if (!hdev_is_powered(hdev)) {
+ hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
+ hdev);
+ new_settings(hdev, sk);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
+ data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ write_fast_connectable(&req, cp->val);
+
+ err = hci_req_run(&req, fast_connectable_complete);
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_FAILED);
+ mgmt_pending_remove(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+
+ /* We need to restore the flag if related HCI commands
+ * failed.
+ */
+ hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
+
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ } else {
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
+ new_settings(hdev, cmd->sk);
+ }
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
+ goto unlock;
+ }
+
+ if (!hdev_is_powered(hdev)) {
+ if (!cp->val) {
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
+ hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
+ if (err < 0)
+ goto unlock;
+
+ err = new_settings(hdev, sk);
+ goto unlock;
+ }
+
+ /* Reject disabling when powered on */
+ if (!cp->val) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ } else {
+ /* When configuring a dual-mode controller to operate
+ * with LE only and using a static address, then switching
+ * BR/EDR back on is not allowed.
+ *
+ * Dual-mode controllers shall operate with the public
+ * address as its identity address for BR/EDR and LE. So
+ * reject the attempt to create an invalid configuration.
+ *
+ * The same restrictions applies when secure connections
+ * has been enabled. For BR/EDR this is a controller feature
+ * while for LE it is a host stack feature. This means that
+ * switching BR/EDR back on when secure connections has been
+ * enabled is not a supported transaction.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ (bacmp(&hdev->static_addr, BDADDR_ANY) ||
+ hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+ }
+
+ if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ /* We need to flip the bit already here so that update_adv_data
+ * generates the correct flags.
+ */
+ hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
+
+ hci_req_init(&req, hdev);
+
+ write_fast_connectable(&req, false);
+ __hci_update_page_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 void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_mode *cp;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status));
+ goto remove;
+ }
+
+ cp = cmd->param;
+
+ switch (cp->val) {
+ case 0x00:
+ hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ break;
+ case 0x01:
+ hci_dev_set_flag(hdev, HCI_SC_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ break;
+ case 0x02:
+ hci_dev_set_flag(hdev, HCI_SC_ENABLED);
+ hci_dev_set_flag(hdev, HCI_SC_ONLY);
+ break;
+ }
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
+ new_settings(hdev, cmd->sk);
+
+remove:
+ mgmt_pending_remove(cmd);
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u8 val;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_sc_capable(hdev) &&
+ !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ lmp_sc_capable(hdev) &&
+ !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ bool changed;
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_SC_ENABLED);
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_SC_ONLY);
+ else
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_SC_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ val = !!cp->val;
+
+ if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
+ (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ hci_req_init(&req, hdev);
+ hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
+ err = hci_req_run(&req, sc_enable_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ bool changed, use_changed;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_KEEP_DEBUG_KEYS);
+
+ if (cp->val == 0x02)
+ use_changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_USE_DEBUG_KEYS);
+ else
+ use_changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_USE_DEBUG_KEYS);
+
+ if (hdev_is_powered(hdev) && use_changed &&
+ hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
+ hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+ sizeof(mode), &mode);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
+ u16 len)
+{
+ struct mgmt_cp_set_privacy *cp = cp_data;
+ bool changed;
+ int err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->privacy != 0x00 && cp->privacy != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+
+ /* If user space supports this command it is also expected to
+ * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
+ */
+ hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
+
+ if (cp->privacy) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
+ memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
+ memset(hdev->irk, 0, sizeof(hdev->irk));
+ hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool irk_is_valid(struct mgmt_irk_info *irk)
+{
+ switch (irk->addr.type) {
+ case BDADDR_LE_PUBLIC:
+ return true;
+
+ case BDADDR_LE_RANDOM:
+ /* Two most significant bits shall be set */
+ if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
+ return false;
+ return true;
+ }
+
+ return false;
+}
+
+static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
+ u16 len)
+{
+ struct mgmt_cp_load_irks *cp = cp_data;
+ const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_irk_info));
+ u16 irk_count, expected_len;
+ int i, err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ irk_count = __le16_to_cpu(cp->irk_count);
+ if (irk_count > max_irk_count) {
+ BT_ERR("load_irks: too big irk_count value %u", irk_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
+ if (expected_len != len) {
+ BT_ERR("load_irks: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ BT_DBG("%s irk_count %u", hdev->name, irk_count);
+
+ for (i = 0; i < irk_count; i++) {
+ struct mgmt_irk_info *key = &cp->irks[i];
+
+ if (!irk_is_valid(key))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_smp_irks_clear(hdev);
+
+ for (i = 0; i < irk_count; i++) {
+ struct mgmt_irk_info *irk = &cp->irks[i];
+ u8 addr_type;
+
+ if (irk->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
+ BDADDR_ANY);
+ }
+
+ hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static bool ltk_is_valid(struct mgmt_ltk_info *key)
+{
+ if (key->master != 0x00 && key->master != 0x01)
+ return false;
+
+ switch (key->addr.type) {
+ case BDADDR_LE_PUBLIC:
+ return true;
+
+ case BDADDR_LE_RANDOM:
+ /* Two most significant bits shall be set */
+ if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
+ return false;
+ return true;
+ }
+
+ return false;
+}
+
+static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
+ void *cp_data, u16 len)
+{
+ struct mgmt_cp_load_long_term_keys *cp = cp_data;
+ const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_ltk_info));
+ u16 key_count, expected_len;
+ int i, err;
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ key_count = __le16_to_cpu(cp->key_count);
+ if (key_count > max_key_count) {
+ BT_ERR("load_ltks: too big key_count value %u", key_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = sizeof(*cp) + key_count *
+ sizeof(struct mgmt_ltk_info);
+ if (expected_len != len) {
+ BT_ERR("load_keys: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ BT_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 mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_smp_ltks_clear(hdev);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_ltk_info *key = &cp->keys[i];
+ u8 type, addr_type, authenticated;
+
+ if (key->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ switch (key->type) {
+ case MGMT_LTK_UNAUTHENTICATED:
+ authenticated = 0x00;
+ type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
+ break;
+ case MGMT_LTK_AUTHENTICATED:
+ authenticated = 0x01;
+ type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
+ break;
+ case MGMT_LTK_P256_UNAUTH:
+ authenticated = 0x00;
+ type = SMP_LTK_P256;
+ break;
+ case MGMT_LTK_P256_AUTH:
+ authenticated = 0x01;
+ type = SMP_LTK_P256;
+ break;
+ case MGMT_LTK_P256_DEBUG:
+ authenticated = 0x00;
+ type = SMP_LTK_P256_DEBUG;
+ default:
+ continue;
+ }
+
+ hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
+ authenticated, key->val, key->enc_size, key->ediv,
+ key->rand);
+ }
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
+ NULL, 0);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ struct hci_conn *conn = cmd->user_data;
+ struct mgmt_rp_get_conn_info rp;
+ int err;
+
+ memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
+
+ if (status == MGMT_STATUS_SUCCESS) {
+ rp.rssi = conn->rssi;
+ rp.tx_power = conn->tx_power;
+ rp.max_tx_power = conn->max_tx_power;
+ } else {
+ rp.rssi = HCI_RSSI_INVALID;
+ rp.tx_power = HCI_TX_POWER_INVALID;
+ rp.max_tx_power = HCI_TX_POWER_INVALID;
+ }
+
+ err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
+ status, &rp, sizeof(rp));
+
+ hci_conn_drop(conn);
+ hci_conn_put(conn);
+
+ return err;
+}
+
+static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
+ u16 opcode)
+{
+ struct hci_cp_read_rssi *cp;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ u16 handle;
+ u8 status;
+
+ BT_DBG("status 0x%02x", hci_status);
+
+ hci_dev_lock(hdev);
+
+ /* Commands sent in request are either Read RSSI or Read Transmit Power
+ * Level so we check which one was last sent to retrieve connection
+ * handle. Both commands have handle as first parameter so it's safe to
+ * cast data on the same command struct.
+ *
+ * First command sent is always Read RSSI and we fail only if it fails.
+ * In other case we simply override error to indicate success as we
+ * already remembered if TX power value is actually valid.
+ */
+ cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
+ if (!cp) {
+ cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
+ status = MGMT_STATUS_SUCCESS;
+ } else {
+ status = mgmt_status(hci_status);
+ }
+
+ if (!cp) {
+ BT_ERR("invalid sent_cmd in conn_info response");
+ goto unlock;
+ }
+
+ handle = __le16_to_cpu(cp->handle);
+ conn = hci_conn_hash_lookup_handle(hdev, handle);
+ if (!conn) {
+ BT_ERR("unknown handle (%d) in conn_info response", handle);
+ goto unlock;
+ }
+
+ cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
+ if (!cmd)
+ goto unlock;
+
+ cmd->cmd_complete(cmd, status);
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_get_conn_info *cp = data;
+ struct mgmt_rp_get_conn_info rp;
+ struct hci_conn *conn;
+ unsigned long conn_info_age;
+ int err = 0;
+
+ BT_DBG("%s", hdev->name);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
+
+ if (!conn || conn->state != BT_CONNECTED) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_NOT_CONNECTED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_BUSY, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ /* To avoid client trying to guess when to poll again for information we
+ * calculate conn info age as random value between min/max set in hdev.
+ */
+ conn_info_age = hdev->conn_info_min_age +
+ prandom_u32_max(hdev->conn_info_max_age -
+ hdev->conn_info_min_age);
+
+ /* Query controller to refresh cached values if they are too old or were
+ * never read.
+ */
+ if (time_after(jiffies, conn->conn_info_timestamp +
+ msecs_to_jiffies(conn_info_age)) ||
+ !conn->conn_info_timestamp) {
+ struct hci_request req;
+ struct hci_cp_read_tx_power req_txp_cp;
+ struct hci_cp_read_rssi req_rssi_cp;
+ struct mgmt_pending_cmd *cmd;
+
+ hci_req_init(&req, hdev);
+ req_rssi_cp.handle = cpu_to_le16(conn->handle);
+ hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
+ &req_rssi_cp);
+
+ /* For LE links TX power does not change thus we don't need to
+ * query for it once value is known.
+ */
+ if (!bdaddr_type_is_le(cp->addr.type) ||
+ conn->tx_power == HCI_TX_POWER_INVALID) {
+ req_txp_cp.handle = cpu_to_le16(conn->handle);
+ req_txp_cp.type = 0x00;
+ hci_req_add(&req, HCI_OP_READ_TX_POWER,
+ sizeof(req_txp_cp), &req_txp_cp);
+ }
+
+ /* Max TX power needs to be read only once per connection */
+ if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
+ req_txp_cp.handle = cpu_to_le16(conn->handle);
+ req_txp_cp.type = 0x01;
+ hci_req_add(&req, HCI_OP_READ_TX_POWER,
+ sizeof(req_txp_cp), &req_txp_cp);
+ }
+
+ err = hci_req_run(&req, conn_info_refresh_complete);
+ if (err < 0)
+ goto unlock;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
+ data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_conn_hold(conn);
+ cmd->user_data = hci_conn_get(conn);
+ cmd->cmd_complete = conn_info_cmd_complete;
+
+ conn->conn_info_timestamp = jiffies;
+ } else {
+ /* Cache is valid, just reply with values cached in hci_conn */
+ rp.rssi = conn->rssi;
+ rp.tx_power = conn->tx_power;
+ rp.max_tx_power = conn->max_tx_power;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ struct hci_conn *conn = cmd->user_data;
+ struct mgmt_rp_get_clock_info rp;
+ struct hci_dev *hdev;
+ int err;
+
+ memset(&rp, 0, sizeof(rp));
+ memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
+
+ if (status)
+ goto complete;
+
+ hdev = hci_dev_get(cmd->index);
+ if (hdev) {
+ rp.local_clock = cpu_to_le32(hdev->clock);
+ hci_dev_put(hdev);
+ }
+
+ if (conn) {
+ rp.piconet_clock = cpu_to_le32(conn->clock);
+ rp.accuracy = cpu_to_le16(conn->clock_accuracy);
+ }
+
+complete:
+ err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
+ sizeof(rp));
+
+ if (conn) {
+ hci_conn_drop(conn);
+ hci_conn_put(conn);
+ }
+
+ return err;
+}
+
+static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct hci_cp_read_clock *hci_cp;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ hci_dev_lock(hdev);
+
+ hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
+ if (!hci_cp)
+ goto unlock;
+
+ if (hci_cp->which) {
+ u16 handle = __le16_to_cpu(hci_cp->handle);
+ conn = hci_conn_hash_lookup_handle(hdev, handle);
+ } else {
+ conn = NULL;
+ }
+
+ cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
+ if (!cmd)
+ goto unlock;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_get_clock_info *cp = data;
+ struct mgmt_rp_get_clock_info rp;
+ struct hci_cp_read_clock hci_cp;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ struct hci_conn *conn;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (cp->addr.type != BDADDR_BREDR)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ if (!conn || conn->state != BT_CONNECTED) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_GET_CLOCK_INFO,
+ MGMT_STATUS_NOT_CONNECTED,
+ &rp, sizeof(rp));
+ goto unlock;
+ }
+ } else {
+ conn = NULL;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = clock_info_cmd_complete;
+
+ hci_req_init(&req, hdev);
+
+ memset(&hci_cp, 0, sizeof(hci_cp));
+ hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
+
+ if (conn) {
+ hci_conn_hold(conn);
+ cmd->user_data = hci_conn_get(conn);
+
+ hci_cp.handle = cpu_to_le16(conn->handle);
+ hci_cp.which = 0x01; /* Piconet clock */
+ hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
+ }
+
+ err = hci_req_run(&req, get_clock_info_complete);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
+{
+ struct hci_conn *conn;
+
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
+ if (!conn)
+ return false;
+
+ if (conn->dst_type != type)
+ return false;
+
+ if (conn->state != BT_CONNECTED)
+ return false;
+
+ return true;
+}
+
+/* This function requires the caller holds hdev->lock */
+static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
+ u8 addr_type, u8 auto_connect)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_conn_params *params;
+
+ params = hci_conn_params_add(hdev, addr, addr_type);
+ if (!params)
+ return -EIO;
+
+ if (params->auto_connect == auto_connect)
+ return 0;
+
+ list_del_init(&params->action);
+
+ switch (auto_connect) {
+ case HCI_AUTO_CONN_DISABLED:
+ case HCI_AUTO_CONN_LINK_LOSS:
+ __hci_update_background_scan(req);
+ break;
+ case HCI_AUTO_CONN_REPORT:
+ list_add(&params->action, &hdev->pend_le_reports);
+ __hci_update_background_scan(req);
+ break;
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ if (!is_connected(hdev, addr, addr_type)) {
+ list_add(&params->action, &hdev->pend_le_conns);
+ __hci_update_background_scan(req);
+ }
+ break;
+ }
+
+ params->auto_connect = auto_connect;
+
+ BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
+ auto_connect);
+
+ return 0;
+}
+
+static void device_added(struct sock *sk, struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type, u8 action)
+{
+ struct mgmt_ev_device_added ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = type;
+ ev.action = action;
+
+ mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int add_device(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_add_device *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ u8 auto_conn, addr_type;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!bdaddr_type_is_valid(cp->addr.type) ||
+ !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_req_init(&req, hdev);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ /* Only incoming connections action is supported for now */
+ if (cp->action != 0x01) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err)
+ goto unlock;
+
+ __hci_update_page_scan(&req);
+
+ goto added;
+ }
+
+ if (cp->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ if (cp->action == 0x02)
+ auto_conn = HCI_AUTO_CONN_ALWAYS;
+ else if (cp->action == 0x01)
+ auto_conn = HCI_AUTO_CONN_DIRECT;
+ else
+ auto_conn = HCI_AUTO_CONN_REPORT;
+
+ /* If the connection parameters don't exist for this device,
+ * they will be created and configured with defaults.
+ */
+ if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
+ auto_conn) < 0) {
+ err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+added:
+ device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
+
+ err = hci_req_run(&req, add_device_complete);
+ if (err < 0) {
+ /* ENODATA means no HCI commands were needed (e.g. if
+ * the adapter is powered off).
+ */
+ if (err == -ENODATA)
+ err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
+ mgmt_pending_remove(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void device_removed(struct sock *sk, struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type)
+{
+ struct mgmt_ev_device_removed ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = type;
+
+ mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
+}
+
+static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int remove_device(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_remove_device *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_req_init(&req, hdev);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+ struct hci_conn_params *params;
+ u8 addr_type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type)) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ err = hci_bdaddr_list_del(&hdev->whitelist,
+ &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ __hci_update_page_scan(&req);
+
+ device_removed(sk, hdev, &cp->addr.bdaddr,
+ cp->addr.type);
+ goto complete;
+ }
+
+ if (cp->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+ addr_type);
+ if (!params) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ list_del(&params->action);
+ list_del(&params->list);
+ kfree(params);
+ __hci_update_background_scan(&req);
+
+ device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
+ } else {
+ struct hci_conn_params *p, *tmp;
+ struct bdaddr_list *b, *btmp;
+
+ if (cp->addr.type) {
+ err = cmd->cmd_complete(cmd,
+ MGMT_STATUS_INVALID_PARAMS);
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
+ device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
+ list_del(&b->list);
+ kfree(b);
+ }
+
+ __hci_update_page_scan(&req);
+
+ list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
+ if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
+ continue;
+ device_removed(sk, hdev, &p->addr, p->addr_type);
+ list_del(&p->action);
+ list_del(&p->list);
+ kfree(p);
+ }
+
+ BT_DBG("All LE connection parameters were removed");
+
+ __hci_update_background_scan(&req);
+ }
+
+complete:
+ err = hci_req_run(&req, remove_device_complete);
+ if (err < 0) {
+ /* ENODATA means no HCI commands were needed (e.g. if
+ * the adapter is powered off).
+ */
+ if (err == -ENODATA)
+ err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
+ mgmt_pending_remove(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_load_conn_param *cp = data;
+ const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_conn_param));
+ u16 param_count, expected_len;
+ int i;
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ param_count = __le16_to_cpu(cp->param_count);
+ if (param_count > max_param_count) {
+ BT_ERR("load_conn_param: too big param_count value %u",
+ param_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = sizeof(*cp) + param_count *
+ sizeof(struct mgmt_conn_param);
+ if (expected_len != len) {
+ BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ BT_DBG("%s param_count %u", hdev->name, param_count);
+
+ hci_dev_lock(hdev);
+
+ hci_conn_params_clear_disabled(hdev);
+
+ for (i = 0; i < param_count; i++) {
+ struct mgmt_conn_param *param = &cp->params[i];
+ struct hci_conn_params *hci_param;
+ u16 min, max, latency, timeout;
+ u8 addr_type;
+
+ BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
+ param->addr.type);
+
+ if (param->addr.type == BDADDR_LE_PUBLIC) {
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ } else if (param->addr.type == BDADDR_LE_RANDOM) {
+ addr_type = ADDR_LE_DEV_RANDOM;
+ } else {
+ BT_ERR("Ignoring invalid connection parameters");
+ continue;
+ }
+
+ min = le16_to_cpu(param->min_interval);
+ max = le16_to_cpu(param->max_interval);
+ latency = le16_to_cpu(param->latency);
+ timeout = le16_to_cpu(param->timeout);
+
+ BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
+ min, max, latency, timeout);
+
+ if (hci_check_conn_params(min, max, latency, timeout) < 0) {
+ BT_ERR("Ignoring invalid connection parameters");
+ continue;
+ }
+
+ hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
+ addr_type);
+ if (!hci_param) {
+ BT_ERR("Failed to add connection parameters");
+ continue;
+ }
+
+ hci_param->conn_min_interval = min;
+ hci_param->conn_max_interval = max;
+ hci_param->conn_latency = latency;
+ hci_param->supervision_timeout = timeout;
+ }
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
+ NULL, 0);
+}
+
+static int set_external_config(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_external_config *cp = data;
+ bool changed;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->config != 0x00 && cp->config != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ if (cp->config)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
+
+ err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (!changed)
+ goto unlock;
+
+ err = new_options(hdev, sk);
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
+ mgmt_index_removed(hdev);
+
+ if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
+ hci_dev_set_flag(hdev, HCI_CONFIG);
+ hci_dev_set_flag(hdev, HCI_AUTO_OFF);
+
+ queue_work(hdev->req_workqueue, &hdev->power_on);
+ } else {
+ set_bit(HCI_RAW, &hdev->flags);
+ mgmt_index_added(hdev);
+ }
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_public_address(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_public_address *cp = data;
+ bool changed;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_REJECTED);
+
+ if (!bacmp(&cp->bdaddr, BDADDR_ANY))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (!hdev->set_bdaddr)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
+ bacpy(&hdev->public_addr, &cp->bdaddr);
+
+ err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (!changed)
+ goto unlock;
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
+ err = new_options(hdev, sk);
+
+ if (is_configured(hdev)) {
+ mgmt_index_removed(hdev);
+
+ hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
+
+ hci_dev_set_flag(hdev, HCI_CONFIG);
+ hci_dev_set_flag(hdev, HCI_AUTO_OFF);
+
+ queue_work(hdev->req_workqueue, &hdev->power_on);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static 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;
+}
+
+static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode, struct sk_buff *skb)
+{
+ const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
+ struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
+ u8 *h192, *r192, *h256, *r256;
+ struct mgmt_pending_cmd *cmd;
+ u16 eir_len;
+ int err;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
+ if (!cmd)
+ return;
+
+ mgmt_cp = cmd->param;
+
+ if (status) {
+ status = mgmt_status(status);
+ eir_len = 0;
+
+ h192 = NULL;
+ r192 = NULL;
+ h256 = NULL;
+ r256 = NULL;
+ } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ struct hci_rp_read_local_oob_data *rp;
+
+ if (skb->len != sizeof(*rp)) {
+ status = MGMT_STATUS_FAILED;
+ eir_len = 0;
+ } else {
+ status = MGMT_STATUS_SUCCESS;
+ rp = (void *)skb->data;
+
+ eir_len = 5 + 18 + 18;
+ h192 = rp->hash;
+ r192 = rp->rand;
+ h256 = NULL;
+ r256 = NULL;
+ }
+ } else {
+ struct hci_rp_read_local_oob_ext_data *rp;
+
+ if (skb->len != sizeof(*rp)) {
+ status = MGMT_STATUS_FAILED;
+ eir_len = 0;
+ } else {
+ status = MGMT_STATUS_SUCCESS;
+ rp = (void *)skb->data;
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
+ eir_len = 5 + 18 + 18;
+ h192 = NULL;
+ r192 = NULL;
+ } else {
+ eir_len = 5 + 18 + 18 + 18 + 18;
+ h192 = rp->hash192;
+ r192 = rp->rand192;
+ }
+
+ h256 = rp->hash256;
+ r256 = rp->rand256;
+ }
+ }
+
+ mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
+ if (!mgmt_rp)
+ goto done;
+
+ if (status)
+ goto send_rsp;
+
+ eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+
+ if (h192 && r192) {
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_HASH_C192, h192, 16);
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_RAND_R192, r192, 16);
+ }
+
+ if (h256 && r256) {
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_HASH_C256, h256, 16);
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_RAND_R256, r256, 16);
+ }
+
+send_rsp:
+ mgmt_rp->type = mgmt_cp->type;
+ mgmt_rp->eir_len = cpu_to_le16(eir_len);
+
+ err = mgmt_cmd_complete(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
+ mgmt_rp, sizeof(*mgmt_rp) + eir_len);
+ if (err < 0 || status)
+ goto done;
+
+ hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
+
+ err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
+ mgmt_rp, sizeof(*mgmt_rp) + eir_len,
+ HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
+done:
+ kfree(mgmt_rp);
+ mgmt_pending_remove(cmd);
+}
+
+static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
+ struct mgmt_cp_read_local_oob_ext_data *cp)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
+ cp, sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ hci_req_init(&req, hdev);
+
+ if (bredr_sc_enabled(hdev))
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
+ else
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+
+ err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ return err;
+ }
+
+ return 0;
+}
+
+static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_read_local_oob_ext_data *cp = data;
+ struct mgmt_rp_read_local_oob_ext_data *rp;
+ size_t rp_len;
+ u16 eir_len;
+ u8 status, flags, role, addr[7], hash[16], rand[16];
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (hdev_is_powered(hdev)) {
+ switch (cp->type) {
+ case BIT(BDADDR_BREDR):
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 5;
+ break;
+ case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
+ status = mgmt_le_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 9 + 3 + 18 + 18 + 3;
+ break;
+ default:
+ status = MGMT_STATUS_INVALID_PARAMS;
+ eir_len = 0;
+ break;
+ }
+ } else {
+ status = MGMT_STATUS_NOT_POWERED;
+ eir_len = 0;
+ }
+
+ rp_len = sizeof(*rp) + eir_len;
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp)
+ return -ENOMEM;
+
+ if (status)
+ goto complete;
+
+ hci_dev_lock(hdev);
+
+ eir_len = 0;
+ switch (cp->type) {
+ case BIT(BDADDR_BREDR):
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ err = read_local_ssp_oob_req(hdev, sk, cp);
+ hci_dev_unlock(hdev);
+ if (!err)
+ goto done;
+
+ status = MGMT_STATUS_FAILED;
+ goto complete;
+ } else {
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+ }
+ break;
+ case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
+ smp_generate_oob(hdev, hash, rand) < 0) {
+ hci_dev_unlock(hdev);
+ status = MGMT_STATUS_FAILED;
+ goto complete;
+ }
+
+ /* This should return the active RPA, but since the RPA
+ * is only programmed on demand, it is really hard to fill
+ * this in at the moment. For now disallow retrieving
+ * local out-of-band data when privacy is in use.
+ *
+ * Returning the identity address will not help here since
+ * pairing happens before the identity resolving key is
+ * known and thus the connection establishment happens
+ * based on the RPA and not the identity address.
+ */
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
+ hci_dev_unlock(hdev);
+ status = MGMT_STATUS_REJECTED;
+ goto complete;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
+ (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ memcpy(addr, &hdev->static_addr, 6);
+ addr[6] = 0x01;
+ } else {
+ memcpy(addr, &hdev->bdaddr, 6);
+ addr[6] = 0x00;
+ }
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
+ addr, sizeof(addr));
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ role = 0x02;
+ else
+ role = 0x01;
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
+ &role, sizeof(role));
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_LE_SC_CONFIRM,
+ hash, sizeof(hash));
+
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_LE_SC_RANDOM,
+ rand, sizeof(rand));
+ }
+
+ flags = get_adv_discov_flags(hdev);
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ flags |= LE_AD_NO_BREDR;
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
+ &flags, sizeof(flags));
+ break;
+ }
+
+ hci_dev_unlock(hdev);
+
+ hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
+
+ status = MGMT_STATUS_SUCCESS;
+
+complete:
+ rp->type = cp->type;
+ rp->eir_len = cpu_to_le16(eir_len);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
+ status, rp, sizeof(*rp) + eir_len);
+ if (err < 0 || status)
+ goto done;
+
+ err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
+ rp, sizeof(*rp) + eir_len,
+ HCI_MGMT_OOB_DATA_EVENTS, sk);
+
+done:
+ kfree(rp);
+
+ return err;
+}
+
+static u32 get_supported_adv_flags(struct hci_dev *hdev)
+{
+ u32 flags = 0;
+
+ flags |= MGMT_ADV_FLAG_CONNECTABLE;
+ flags |= MGMT_ADV_FLAG_DISCOV;
+ flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
+ flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
+
+ if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
+ flags |= MGMT_ADV_FLAG_TX_POWER;
+
+ return flags;
+}
+
+static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_adv_features *rp;
+ size_t rp_len;
+ int err;
+ bool instance;
+ u32 supported_flags;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+
+ rp_len = sizeof(*rp);
+
+ /* Currently only one instance is supported, so just add 1 to the
+ * response length.
+ */
+ instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
+ if (instance)
+ rp_len++;
+
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp) {
+ hci_dev_unlock(hdev);
+ return -ENOMEM;
+ }
+
+ supported_flags = get_supported_adv_flags(hdev);
+
+ rp->supported_flags = cpu_to_le32(supported_flags);
+ rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
+ rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
+ rp->max_instances = 1;
+
+ /* Currently only one instance is supported, so simply return the
+ * current instance number.
+ */
+ if (instance) {
+ rp->num_instances = 1;
+ rp->instance[0] = 1;
+ } else {
+ rp->num_instances = 0;
+ }
+
+ hci_dev_unlock(hdev);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
+ MGMT_STATUS_SUCCESS, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
+ u8 len, bool is_adv_data)
+{
+ u8 max_len = HCI_MAX_AD_LENGTH;
+ int i, cur_len;
+ bool flags_managed = false;
+ bool tx_power_managed = false;
+ u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
+ MGMT_ADV_FLAG_MANAGED_FLAGS;
+
+ if (is_adv_data && (adv_flags & flags_params)) {
+ flags_managed = true;
+ max_len -= 3;
+ }
+
+ if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
+ tx_power_managed = true;
+ max_len -= 3;
+ }
+
+ if (len > max_len)
+ return false;
+
+ /* Make sure that the data is correctly formatted. */
+ for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
+ cur_len = data[i];
+
+ if (flags_managed && data[i + 1] == EIR_FLAGS)
+ return false;
+
+ if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
+ return false;
+
+ /* If the current field length would exceed the total data
+ * length, then it's invalid.
+ */
+ if (i + cur_len >= len)
+ return false;
+ }
+
+ return true;
+}
+
+static void add_advertising_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_rp_add_advertising rp;
+
+ BT_DBG("status %d", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
+
+ if (status) {
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
+ memset(&hdev->adv_instance, 0, sizeof(hdev->adv_instance));
+ advertising_removed(cmd ? cmd->sk : NULL, hdev, 1);
+ }
+
+ if (!cmd)
+ goto unlock;
+
+ rp.instance = 0x01;
+
+ if (status)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status), &rp, sizeof(rp));
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void adv_timeout_expired(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ adv_instance.timeout_exp.work);
+
+ hdev->adv_instance.timeout = 0;
+
+ hci_dev_lock(hdev);
+ clear_adv_instance(hdev);
+ hci_dev_unlock(hdev);
+}
+
+static int add_advertising(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_add_advertising *cp = data;
+ struct mgmt_rp_add_advertising rp;
+ u32 flags;
+ u32 supported_flags;
+ u8 status;
+ u16 timeout;
+ int err;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+
+ BT_DBG("%s", hdev->name);
+
+ status = mgmt_le_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ status);
+
+ flags = __le32_to_cpu(cp->flags);
+ timeout = __le16_to_cpu(cp->timeout);
+
+ /* The current implementation only supports adding one instance and only
+ * a subset of the specified flags.
+ */
+ supported_flags = get_supported_adv_flags(hdev);
+ if (cp->instance != 0x01 || (flags & ~supported_flags))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (timeout && !hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_SET_LE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
+ !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
+ cp->scan_rsp_len, false)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ INIT_DELAYED_WORK(&hdev->adv_instance.timeout_exp, adv_timeout_expired);
+
+ hdev->adv_instance.flags = flags;
+ hdev->adv_instance.adv_data_len = cp->adv_data_len;
+ hdev->adv_instance.scan_rsp_len = cp->scan_rsp_len;
+
+ if (cp->adv_data_len)
+ memcpy(hdev->adv_instance.adv_data, cp->data, cp->adv_data_len);
+
+ if (cp->scan_rsp_len)
+ memcpy(hdev->adv_instance.scan_rsp_data,
+ cp->data + cp->adv_data_len, cp->scan_rsp_len);
+
+ if (hdev->adv_instance.timeout)
+ cancel_delayed_work(&hdev->adv_instance.timeout_exp);
+
+ hdev->adv_instance.timeout = timeout;
+
+ if (timeout)
+ queue_delayed_work(hdev->workqueue,
+ &hdev->adv_instance.timeout_exp,
+ msecs_to_jiffies(timeout * 1000));
+
+ if (!hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ advertising_added(sk, hdev, 1);
+
+ /* If the HCI_ADVERTISING flag is set or the device isn't powered then
+ * we have no HCI communication to make. Simply return.
+ */
+ if (!hdev_is_powered(hdev) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
+ rp.instance = 0x01;
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ /* We're good to go, update advertising data, parameters, and start
+ * advertising.
+ */
+ cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
+ data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+
+ update_adv_data(&req);
+ update_scan_rsp_data(&req);
+ enable_advertising(&req);
+
+ err = hci_req_run(&req, add_advertising_complete);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_rp_remove_advertising rp;
+
+ BT_DBG("status %d", status);
+
+ hci_dev_lock(hdev);
+
+ /* A failure status here only means that we failed to disable
+ * advertising. Otherwise, the advertising instance has been removed,
+ * so report success.
+ */
+ cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
+ if (!cmd)
+ goto unlock;
+
+ rp.instance = 1;
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
+ &rp, sizeof(rp));
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_remove_advertising *cp = data;
+ struct mgmt_rp_remove_advertising rp;
+ int err;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+
+ BT_DBG("%s", hdev->name);
+
+ /* The current implementation only allows modifying instance no 1. A
+ * value of 0 indicates that all instances should be cleared.
+ */
+ if (cp->instance > 1)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_SET_LE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ if (hdev->adv_instance.timeout)
+ cancel_delayed_work(&hdev->adv_instance.timeout_exp);
+
+ memset(&hdev->adv_instance, 0, sizeof(hdev->adv_instance));
+
+ advertising_removed(sk, hdev, 1);
+
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
+
+ /* If the HCI_ADVERTISING flag is set or the device isn't powered then
+ * we have no HCI communication to make. Simply return.
+ */
+ if (!hdev_is_powered(hdev) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
+ rp.instance = 1;
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
+ data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ hci_req_init(&req, hdev);
+ disable_advertising(&req);
+
+ err = hci_req_run(&req, remove_advertising_complete);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static const struct hci_mgmt_handler mgmt_handlers[] = {
+ { NULL }, /* 0x0000 (no command) */
+ { read_version, MGMT_READ_VERSION_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_commands, MGMT_READ_COMMANDS_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_controller_info, MGMT_READ_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { set_powered, MGMT_SETTING_SIZE },
+ { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
+ { set_connectable, MGMT_SETTING_SIZE },
+ { set_fast_connectable, MGMT_SETTING_SIZE },
+ { set_bondable, MGMT_SETTING_SIZE },
+ { set_link_security, MGMT_SETTING_SIZE },
+ { set_ssp, MGMT_SETTING_SIZE },
+ { set_hs, MGMT_SETTING_SIZE },
+ { set_le, MGMT_SETTING_SIZE },
+ { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
+ { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
+ { add_uuid, MGMT_ADD_UUID_SIZE },
+ { remove_uuid, MGMT_REMOVE_UUID_SIZE },
+ { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { disconnect, MGMT_DISCONNECT_SIZE },
+ { get_connections, MGMT_GET_CONNECTIONS_SIZE },
+ { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
+ { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
+ { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
+ { pair_device, MGMT_PAIR_DEVICE_SIZE },
+ { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
+ { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
+ { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
+ { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
+ { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
+ { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
+ { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
+ { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
+ { start_discovery, MGMT_START_DISCOVERY_SIZE },
+ { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
+ { confirm_name, MGMT_CONFIRM_NAME_SIZE },
+ { block_device, MGMT_BLOCK_DEVICE_SIZE },
+ { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
+ { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
+ { set_advertising, MGMT_SETTING_SIZE },
+ { set_bredr, MGMT_SETTING_SIZE },
+ { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
+ { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
+ { set_secure_conn, MGMT_SETTING_SIZE },
+ { set_debug_keys, MGMT_SETTING_SIZE },
+ { set_privacy, MGMT_SET_PRIVACY_SIZE },
+ { load_irks, MGMT_LOAD_IRKS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
+ { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
+ { add_device, MGMT_ADD_DEVICE_SIZE },
+ { remove_device, MGMT_REMOVE_DEVICE_SIZE },
+ { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
+ HCI_MGMT_UNCONFIGURED |
+ HCI_MGMT_UNTRUSTED },
+ { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
+ HCI_MGMT_UNCONFIGURED },
+ { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
+ HCI_MGMT_UNCONFIGURED },
+ { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
+ { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
+ { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
+};
+
+void mgmt_index_added(struct hci_dev *hdev)
+{
+ struct mgmt_ev_ext_index ev;
+
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+ return;
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
+ NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
+ }
+ break;
+ case HCI_AMP:
+ ev.type = 0x02;
+ break;
+ default:
+ return;
+ }
+
+ ev.bus = hdev->bus;
+
+ mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_EXT_INDEX_EVENTS);
+}
+
+void mgmt_index_removed(struct hci_dev *hdev)
+{
+ struct mgmt_ev_ext_index ev;
+ u8 status = MGMT_STATUS_INVALID_INDEX;
+
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+ return;
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
+ NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
+ }
+ break;
+ case HCI_AMP:
+ ev.type = 0x02;
+ break;
+ default:
+ return;
+ }
+
+ ev.bus = hdev->bus;
+
+ mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_EXT_INDEX_EVENTS);
+}
+
+/* This function requires the caller holds hdev->lock */
+static void restart_le_actions(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_conn_params *p;
+
+ list_for_each_entry(p, &hdev->le_conn_params, list) {
+ /* Needed for AUTO_OFF case where might not "really"
+ * have been powered off.
+ */
+ list_del_init(&p->action);
+
+ switch (p->auto_connect) {
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ list_add(&p->action, &hdev->pend_le_conns);
+ break;
+ case HCI_AUTO_CONN_REPORT:
+ list_add(&p->action, &hdev->pend_le_reports);
+ break;
+ default:
+ break;
+ }
+ }
+
+ __hci_update_background_scan(req);
+}
+
+static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ struct cmd_lookup match = { NULL, hdev };
+
+ BT_DBG("status 0x%02x", status);
+
+ if (!status) {
+ /* Register the available SMP channels (BR/EDR and LE) only
+ * when successfully powering on the controller. This late
+ * registration is required so that LE SMP can clearly
+ * decide if the public address or static address is used.
+ */
+ smp_register(hdev);
+ }
+
+ 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 (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
+ !lmp_host_ssp_capable(hdev)) {
+ u8 mode = 0x01;
+
+ hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
+
+ if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
+ u8 support = 0x01;
+
+ hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
+ sizeof(support), &support);
+ }
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
+ lmp_bredr_capable(hdev)) {
+ struct hci_cp_write_le_host_supported cp;
+
+ cp.le = 0x01;
+ cp.simul = 0x00;
+
+ /* 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)) {
+ /* 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 (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
+ update_adv_data(&req);
+ update_scan_rsp_data(&req);
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ enable_advertising(&req);
+
+ restart_le_actions(&req);
+ }
+
+ link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
+ 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 (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
+ write_fast_connectable(&req, true);
+ else
+ write_fast_connectable(&req, false);
+ __hci_update_page_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, zero_cod[] = { 0, 0, 0 };
+ int err;
+
+ if (!hci_dev_test_flag(hdev, HCI_MGMT))
+ 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);
+
+ /* If the power off is because of hdev unregistration let
+ * use the appropriate INVALID_INDEX status. Otherwise use
+ * NOT_POWERED. We cover both scenarios here since later in
+ * mgmt_index_removed() any hci_conn callbacks will have already
+ * been triggered, potentially causing misleading DISCONNECTED
+ * status responses.
+ */
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ status = MGMT_STATUS_INVALID_INDEX;
+ else
+ status = MGMT_STATUS_NOT_POWERED;
+
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+
+ if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
+ mgmt_generic_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 mgmt_pending_cmd *cmd;
+ u8 status;
+
+ cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
+ if (!cmd)
+ return;
+
+ if (err == -ERFKILL)
+ status = MGMT_STATUS_RFKILLED;
+ else
+ status = MGMT_STATUS_FAILED;
+
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
+
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_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.
+ */
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+
+ hci_req_init(&req, hdev);
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ u8 scan = SCAN_PAGE;
+ hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
+ sizeof(scan), &scan);
+ }
+ update_class(&req);
+
+ /* Advertising instances don't use the global discoverable setting, so
+ * only update AD if advertising was enabled using Set Advertising.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ update_adv_data(&req);
+
+ hci_req_run(&req, NULL);
+
+ hdev->discov_timeout = 0;
+
+ new_settings(hdev, NULL);
+
+ hci_dev_unlock(hdev);
+}
+
+void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
+ bool persistent)
+{
+ struct mgmt_ev_new_link_key ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ ev.store_hint = persistent;
+ bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
+ ev.key.addr.type = BDADDR_BREDR;
+ ev.key.type = key->type;
+ memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
+ ev.key.pin_len = key->pin_len;
+
+ mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
+}
+
+static u8 mgmt_ltk_type(struct smp_ltk *ltk)
+{
+ switch (ltk->type) {
+ case SMP_LTK:
+ case SMP_LTK_SLAVE:
+ if (ltk->authenticated)
+ return MGMT_LTK_AUTHENTICATED;
+ return MGMT_LTK_UNAUTHENTICATED;
+ case SMP_LTK_P256:
+ if (ltk->authenticated)
+ return MGMT_LTK_P256_AUTH;
+ return MGMT_LTK_P256_UNAUTH;
+ case SMP_LTK_P256_DEBUG:
+ return MGMT_LTK_P256_DEBUG;
+ }
+
+ return MGMT_LTK_UNAUTHENTICATED;
+}
+
+void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
+{
+ struct mgmt_ev_new_long_term_key ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* Devices using resolvable or non-resolvable random addresses
+ * without providing an indentity resolving key don't require
+ * to store long term keys. Their addresses will change the
+ * next time around.
+ *
+ * Only when a remote device provides an identity address
+ * make sure the long term key is stored. If the remote
+ * identity is known, the long term keys are internally
+ * mapped to the identity address. So allow static random
+ * and public addresses here.
+ */
+ if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
+ (key->bdaddr.b[5] & 0xc0) != 0xc0)
+ ev.store_hint = 0x00;
+ else
+ ev.store_hint = persistent;
+
+ bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
+ ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
+ ev.key.type = mgmt_ltk_type(key);
+ ev.key.enc_size = key->enc_size;
+ ev.key.ediv = key->ediv;
+ ev.key.rand = key->rand;
+
+ if (key->type == SMP_LTK)
+ ev.key.master = 1;
+
+ memcpy(ev.key.val, key->val, sizeof(key->val));
+
+ mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
+{
+ struct mgmt_ev_new_irk ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* For identity resolving keys from devices that are already
+ * using a public address or static random address, do not
+ * ask for storing this key. The identity resolving key really
+ * is only mandatory for devices using resovlable random
+ * addresses.
+ *
+ * Storing all identity resolving keys has the downside that
+ * they will be also loaded on next boot of they system. More
+ * identity resolving keys, means more time during scanning is
+ * needed to actually resolve these addresses.
+ */
+ if (bacmp(&irk->rpa, BDADDR_ANY))
+ ev.store_hint = 0x01;
+ else
+ ev.store_hint = 0x00;
+
+ bacpy(&ev.rpa, &irk->rpa);
+ bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
+ ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
+ memcpy(ev.irk.val, irk->val, sizeof(irk->val));
+
+ mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
+ bool persistent)
+{
+ struct mgmt_ev_new_csrk ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* Devices using resolvable or non-resolvable random addresses
+ * without providing an indentity resolving key don't require
+ * to store signature resolving keys. Their addresses will change
+ * the next time around.
+ *
+ * Only when a remote device provides an identity address
+ * make sure the signature resolving key is stored. So allow
+ * static random and public addresses here.
+ */
+ if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
+ (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
+ ev.store_hint = 0x00;
+ else
+ ev.store_hint = persistent;
+
+ bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
+ ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
+ ev.key.type = csrk->type;
+ memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
+
+ mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 bdaddr_type, u8 store_hint, u16 min_interval,
+ u16 max_interval, u16 latency, u16 timeout)
+{
+ struct mgmt_ev_new_conn_param ev;
+
+ if (!hci_is_identity_address(bdaddr, bdaddr_type))
+ return;
+
+ memset(&ev, 0, sizeof(ev));
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
+ ev.store_hint = store_hint;
+ ev.min_interval = cpu_to_le16(min_interval);
+ ev.max_interval = cpu_to_le16(max_interval);
+ ev.latency = cpu_to_le16(latency);
+ ev.timeout = cpu_to_le16(timeout);
+
+ mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
+ u32 flags, u8 *name, u8 name_len)
+{
+ char buf[512];
+ struct mgmt_ev_device_connected *ev = (void *) buf;
+ u16 eir_len = 0;
+
+ bacpy(&ev->addr.bdaddr, &conn->dst);
+ ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+
+ ev->flags = __cpu_to_le32(flags);
+
+ /* We must ensure that the EIR Data fields are ordered and
+ * unique. Keep it simple for now and avoid the problem by not
+ * adding any BR/EDR data to the LE adv.
+ */
+ if (conn->le_adv_data_len > 0) {
+ memcpy(&ev->eir[eir_len],
+ conn->le_adv_data, conn->le_adv_data_len);
+ eir_len = conn->le_adv_data_len;
+ } else {
+ if (name_len > 0)
+ eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
+ name, name_len);
+
+ if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
+ eir_len = eir_append_data(ev->eir, eir_len,
+ EIR_CLASS_OF_DEV,
+ conn->dev_class, 3);
+ }
+
+ ev->eir_len = cpu_to_le16(eir_len);
+
+ mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
+ sizeof(*ev) + eir_len, NULL);
+}
+
+static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct sock **sk = data;
+
+ cmd->cmd_complete(cmd, 0);
+
+ *sk = cmd->sk;
+ sock_hold(*sk);
+
+ mgmt_pending_remove(cmd);
+}
+
+static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct hci_dev *hdev = data;
+ struct mgmt_cp_unpair_device *cp = cmd->param;
+
+ device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
+
+ cmd->cmd_complete(cmd, 0);
+ mgmt_pending_remove(cmd);
+}
+
+bool mgmt_powering_down(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_mode *cp;
+
+ cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
+ if (!cmd)
+ return false;
+
+ cp = cmd->param;
+ if (!cp->val)
+ return true;
+
+ return false;
+}
+
+void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 reason,
+ bool mgmt_connected)
+{
+ struct mgmt_ev_device_disconnected ev;
+ struct sock *sk = NULL;
+
+ /* The connection is still in hci_conn_hash so test for 1
+ * instead of 0 to know if this is the last one.
+ */
+ if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ }
+
+ if (!mgmt_connected)
+ return;
+
+ if (link_type != ACL_LINK && link_type != LE_LINK)
+ return;
+
+ mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.reason = reason;
+
+ mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
+
+ if (sk)
+ sock_put(sk);
+
+ mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
+ hdev);
+}
+
+void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
+ struct mgmt_cp_disconnect *cp;
+ struct mgmt_pending_cmd *cmd;
+
+ mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
+ hdev);
+
+ cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
+ if (!cmd)
+ return;
+
+ cp = cmd->param;
+
+ if (bacmp(bdaddr, &cp->addr.bdaddr))
+ return;
+
+ if (cp->addr.type != bdaddr_type)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, u8 status)
+{
+ struct mgmt_ev_connect_failed ev;
+
+ /* The connection is still in hci_conn_hash so test for 1
+ * instead of 0 to know if this is the last one.
+ */
+ if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ }
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.status = mgmt_status(status);
+
+ mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
+{
+ struct mgmt_ev_pin_code_request ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = BDADDR_BREDR;
+ ev.secure = secure;
+
+ mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
+ if (!cmd)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
+ if (!cmd)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u32 value,
+ u8 confirm_hint)
+{
+ struct mgmt_ev_user_confirm_request ev;
+
+ BT_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 = cpu_to_le32(value);
+
+ return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
+ NULL);
+}
+
+int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type)
+{
+ struct mgmt_ev_user_passkey_request ev;
+
+ BT_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 mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(opcode, hdev);
+ if (!cmd)
+ return -ENOENT;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+
+ return 0;
+}
+
+int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status, MGMT_OP_USER_CONFIRM_REPLY);
+}
+
+int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status,
+ MGMT_OP_USER_CONFIRM_NEG_REPLY);
+}
+
+int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status, MGMT_OP_USER_PASSKEY_REPLY);
+}
+
+int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY);
+}
+
+int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u32 passkey,
+ u8 entered)
+{
+ struct mgmt_ev_passkey_notify ev;
+
+ BT_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_conn *conn, u8 hci_status)
+{
+ struct mgmt_ev_auth_failed ev;
+ struct mgmt_pending_cmd *cmd;
+ u8 status = mgmt_status(hci_status);
+
+ bacpy(&ev.addr.bdaddr, &conn->dst);
+ ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+ ev.status = status;
+
+ cmd = find_pairing(conn);
+
+ mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
+
+ if (cmd) {
+ cmd->cmd_complete(cmd, status);
+ mgmt_pending_remove(cmd);
+ }
+}
+
+void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ bool changed;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+ mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
+ cmd_status_rsp, &mgmt_err);
+ return;
+ }
+
+ if (test_bit(HCI_AUTH, &hdev->flags))
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
+
+ mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
+ &match);
+
+ if (changed)
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+static void clear_eir(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_write_eir cp;
+
+ if (!lmp_ext_inq_capable(hdev))
+ return;
+
+ memset(hdev->eir, 0, sizeof(hdev->eir));
+
+ memset(&cp, 0, sizeof(cp));
+
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+}
+
+void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ struct hci_request req;
+ bool changed = false;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+
+ if (enable && hci_dev_test_and_clear_flag(hdev,
+ HCI_SSP_ENABLED)) {
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ new_settings(hdev, NULL);
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
+ &mgmt_err);
+ return;
+ }
+
+ if (enable) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
+ if (!changed)
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_HS_ENABLED);
+ else
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
+
+ if (changed)
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+
+ hci_req_init(&req, hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
+ hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
+ sizeof(enable), &enable);
+ update_eir(&req);
+ } else {
+ clear_eir(&req);
+ }
+
+ hci_req_run(&req, NULL);
+}
+
+static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct cmd_lookup *match = data;
+
+ if (match->sk == NULL) {
+ match->sk = cmd->sk;
+ sock_hold(match->sk);
+ }
+}
+
+void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
+ u8 status)
+{
+ struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
+
+ mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
+
+ if (!status)
+ mgmt_generic_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 mgmt_pending_cmd *cmd;
+
+ if (status)
+ return;
+
+ memset(&ev, 0, sizeof(ev));
+ memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
+ memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
+
+ cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
+ if (!cmd) {
+ memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
+
+ /* If this is a HCI command related to powering on the
+ * HCI dev don't send any mgmt signals.
+ */
+ if (pending_find(MGMT_OP_SET_POWERED, hdev))
+ return;
+ }
+
+ mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
+}
+
+static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
+{
+ int i;
+
+ for (i = 0; i < uuid_count; i++) {
+ if (!memcmp(uuid, uuids[i], 16))
+ return true;
+ }
+
+ return false;
+}
+
+static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
+{
+ u16 parsed = 0;
+
+ while (parsed < eir_len) {
+ u8 field_len = eir[0];
+ u8 uuid[16];
+ int i;
+
+ if (field_len == 0)
+ break;
+
+ if (eir_len - parsed < field_len + 1)
+ break;
+
+ switch (eir[1]) {
+ case EIR_UUID16_ALL:
+ case EIR_UUID16_SOME:
+ for (i = 0; i + 3 <= field_len; i += 2) {
+ memcpy(uuid, bluetooth_base_uuid, 16);
+ uuid[13] = eir[i + 3];
+ uuid[12] = eir[i + 2];
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ case EIR_UUID32_ALL:
+ case EIR_UUID32_SOME:
+ for (i = 0; i + 5 <= field_len; i += 4) {
+ memcpy(uuid, bluetooth_base_uuid, 16);
+ uuid[15] = eir[i + 5];
+ uuid[14] = eir[i + 4];
+ uuid[13] = eir[i + 3];
+ uuid[12] = eir[i + 2];
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ case EIR_UUID128_ALL:
+ case EIR_UUID128_SOME:
+ for (i = 0; i + 17 <= field_len; i += 16) {
+ memcpy(uuid, eir + i + 2, 16);
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ }
+
+ parsed += field_len + 1;
+ eir += field_len + 1;
+ }
+
+ return false;
+}
+
+static void restart_le_scan(struct hci_dev *hdev)
+{
+ /* If controller is not scanning we are done. */
+ if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ return;
+
+ if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
+ hdev->discovery.scan_start +
+ hdev->discovery.scan_duration))
+ return;
+
+ queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
+ DISCOV_LE_RESTART_DELAY);
+}
+
+static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
+ u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
+{
+ /* If a RSSI threshold has been specified, and
+ * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
+ * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
+ * is set, let it through for further processing, as we might need to
+ * restart the scan.
+ *
+ * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
+ * the results are also dropped.
+ */
+ if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
+ (rssi == HCI_RSSI_INVALID ||
+ (rssi < hdev->discovery.rssi &&
+ !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
+ return false;
+
+ if (hdev->discovery.uuid_count != 0) {
+ /* If a list of UUIDs is provided in filter, results with no
+ * matching UUID should be dropped.
+ */
+ if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
+ hdev->discovery.uuids) &&
+ !eir_has_uuids(scan_rsp, scan_rsp_len,
+ hdev->discovery.uuid_count,
+ hdev->discovery.uuids))
+ return false;
+ }
+
+ /* If duplicate filtering does not report RSSI changes, then restart
+ * scanning to ensure updated result with updated RSSI values.
+ */
+ if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
+ restart_le_scan(hdev);
+
+ /* Validate RSSI value against the RSSI threshold once more. */
+ if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
+ rssi < hdev->discovery.rssi)
+ return false;
+ }
+
+ return true;
+}
+
+void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
+ u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
+{
+ char buf[512];
+ struct mgmt_ev_device_found *ev = (void *)buf;
+ size_t ev_size;
+
+ /* Don't send events for a non-kernel initiated discovery. With
+ * LE one exception is if we have pend_le_reports > 0 in which
+ * case we're doing passive scanning and want these events.
+ */
+ if (!hci_discovery_active(hdev)) {
+ if (link_type == ACL_LINK)
+ return;
+ if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
+ return;
+ }
+
+ if (hdev->discovery.result_filtering) {
+ /* We are using service discovery */
+ if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
+ scan_rsp_len))
+ return;
+ }
+
+ /* Make sure that the buffer is big enough. The 5 extra bytes
+ * are for the potential CoD field.
+ */
+ if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
+ return;
+
+ memset(buf, 0, sizeof(buf));
+
+ /* In case of device discovery with BR/EDR devices (pre 1.2), the
+ * RSSI value was reported as 0 when not available. This behavior
+ * is kept when using device discovery. This is required for full
+ * backwards compatibility with the API.
+ *
+ * However when using service discovery, the value 127 will be
+ * returned when the RSSI is not available.
+ */
+ if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
+ link_type == ACL_LINK)
+ rssi = 0;
+
+ bacpy(&ev->addr.bdaddr, bdaddr);
+ ev->addr.type = link_to_bdaddr(link_type, addr_type);
+ ev->rssi = rssi;
+ ev->flags = cpu_to_le32(flags);
+
+ if (eir_len > 0)
+ /* Copy EIR or advertising data into event */
+ memcpy(ev->eir, eir, eir_len);
+
+ if (dev_class && !eir_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);
+
+ if (scan_rsp_len > 0)
+ /* Append scan response data to event */
+ memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
+
+ ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
+ ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
+
+ mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
+}
+
+void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, s8 rssi, u8 *name, u8 name_len)
+{
+ struct mgmt_ev_device_found *ev;
+ char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
+ u16 eir_len;
+
+ ev = (struct mgmt_ev_device_found *) buf;
+
+ memset(buf, 0, sizeof(buf));
+
+ bacpy(&ev->addr.bdaddr, bdaddr);
+ ev->addr.type = link_to_bdaddr(link_type, addr_type);
+ ev->rssi = rssi;
+
+ eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
+ name_len);
+
+ ev->eir_len = cpu_to_le16(eir_len);
+
+ mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
+}
+
+void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
+{
+ struct mgmt_ev_discovering ev;
+
+ BT_DBG("%s discovering %u", hdev->name, discovering);
+
+ memset(&ev, 0, sizeof(ev));
+ ev.type = hdev->discovery.type;
+ ev.discovering = discovering;
+
+ mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
+}
+
+static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+ BT_DBG("%s status %u", hdev->name, status);
+}
+
+void mgmt_reenable_advertising(struct hci_dev *hdev)
+{
+ struct hci_request req;
+
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
+ !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
+ return;
+
+ hci_req_init(&req, hdev);
+ enable_advertising(&req);
+ hci_req_run(&req, adv_enable_complete);
+}
+
+static struct hci_mgmt_chan chan = {
+ .channel = HCI_CHANNEL_CONTROL,
+ .handler_count = ARRAY_SIZE(mgmt_handlers),
+ .handlers = mgmt_handlers,
+ .hdev_init = mgmt_init_hdev,
+};
+
+int mgmt_init(void)
+{
+ return hci_mgmt_chan_register(&chan);
+}
+
+void mgmt_exit(void)
+{
+ hci_mgmt_chan_unregister(&chan);
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 14:20:02 +0000