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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /net/bluetooth/mgmt.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c10571
1 files changed, 10571 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
new file mode 100644
index 0000000000..9dd815b660
--- /dev/null
+++ b/net/bluetooth/mgmt.c
@@ -0,0 +1,10571 @@
+/*
+ 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"
+#include "mgmt_config.h"
+#include "msft.h"
+#include "eir.h"
+#include "aosp.h"
+
+#define MGMT_VERSION 1
+#define MGMT_REVISION 22
+
+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,
+ MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_OP_START_LIMITED_DISCOVERY,
+ MGMT_OP_READ_EXT_INFO,
+ MGMT_OP_SET_APPEARANCE,
+ MGMT_OP_GET_PHY_CONFIGURATION,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_OP_SET_BLOCKED_KEYS,
+ MGMT_OP_SET_WIDEBAND_SPEECH,
+ MGMT_OP_READ_CONTROLLER_CAP,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_OP_READ_DEF_SYSTEM_CONFIG,
+ MGMT_OP_SET_DEF_SYSTEM_CONFIG,
+ MGMT_OP_READ_DEF_RUNTIME_CONFIG,
+ MGMT_OP_SET_DEF_RUNTIME_CONFIG,
+ MGMT_OP_GET_DEVICE_FLAGS,
+ MGMT_OP_SET_DEVICE_FLAGS,
+ MGMT_OP_READ_ADV_MONITOR_FEATURES,
+ MGMT_OP_ADD_ADV_PATTERNS_MONITOR,
+ MGMT_OP_REMOVE_ADV_MONITOR,
+ MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI,
+ MGMT_OP_SET_MESH_RECEIVER,
+ MGMT_OP_MESH_READ_FEATURES,
+ MGMT_OP_MESH_SEND,
+ MGMT_OP_MESH_SEND_CANCEL,
+};
+
+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,
+ MGMT_EV_EXT_INFO_CHANGED,
+ MGMT_EV_PHY_CONFIGURATION_CHANGED,
+ MGMT_EV_EXP_FEATURE_CHANGED,
+ MGMT_EV_DEVICE_FLAGS_CHANGED,
+ MGMT_EV_ADV_MONITOR_ADDED,
+ MGMT_EV_ADV_MONITOR_REMOVED,
+ MGMT_EV_CONTROLLER_SUSPEND,
+ MGMT_EV_CONTROLLER_RESUME,
+ MGMT_EV_ADV_MONITOR_DEVICE_FOUND,
+ MGMT_EV_ADV_MONITOR_DEVICE_LOST,
+};
+
+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,
+ MGMT_OP_READ_EXT_INFO,
+ MGMT_OP_READ_CONTROLLER_CAP,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
+ MGMT_OP_READ_DEF_SYSTEM_CONFIG,
+ MGMT_OP_READ_DEF_RUNTIME_CONFIG,
+};
+
+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,
+ MGMT_EV_EXT_INFO_CHANGED,
+ MGMT_EV_EXP_FEATURE_CHANGED,
+};
+
+#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 const 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_FAILED, /* Reserved for future use */
+ 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_FAILED, /* Reserved for future use */
+ MGMT_STATUS_BUSY, /* Role Switch Pending */
+ MGMT_STATUS_FAILED, /* Reserved for future use */
+ 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_errno_status(int err)
+{
+ switch (err) {
+ case 0:
+ return MGMT_STATUS_SUCCESS;
+ case -EPERM:
+ return MGMT_STATUS_REJECTED;
+ case -EINVAL:
+ return MGMT_STATUS_INVALID_PARAMS;
+ case -EOPNOTSUPP:
+ return MGMT_STATUS_NOT_SUPPORTED;
+ case -EBUSY:
+ return MGMT_STATUS_BUSY;
+ case -ETIMEDOUT:
+ return MGMT_STATUS_AUTH_FAILED;
+ case -ENOMEM:
+ return MGMT_STATUS_NO_RESOURCES;
+ case -EISCONN:
+ return MGMT_STATUS_ALREADY_CONNECTED;
+ case -ENOTCONN:
+ return MGMT_STATUS_DISCONNECTED;
+ }
+
+ return MGMT_STATUS_FAILED;
+}
+
+static u8 mgmt_status(int err)
+{
+ if (err < 0)
+ return mgmt_errno_status(err);
+
+ if (err < ARRAY_SIZE(mgmt_status_table))
+ return mgmt_status_table[err];
+
+ 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_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 mgmt_event_skb(struct sk_buff *skb, struct sock *skip_sk)
+{
+ return mgmt_send_event_skb(HCI_CHANNEL_CONTROL, skb, HCI_SOCK_TRUSTED,
+ skip_sk);
+}
+
+static u8 le_addr_type(u8 mgmt_addr_type)
+{
+ if (mgmt_addr_type == BDADDR_LE_PUBLIC)
+ return ADDR_LE_DEV_PUBLIC;
+ else
+ return ADDR_LE_DEV_RANDOM;
+}
+
+void mgmt_fill_version_info(void *ver)
+{
+ struct mgmt_rp_read_version *rp = ver;
+
+ rp->version = MGMT_VERSION;
+ rp->revision = cpu_to_le16(MGMT_REVISION);
+}
+
+static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_read_version rp;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ mgmt_fill_version_info(&rp);
+
+ 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_dev_dbg(hdev, "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_dev_dbg(hdev, "sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_PRIMARY &&
+ !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_PRIMARY &&
+ !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ rp->index[count++] = cpu_to_le16(d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
+ }
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (2 * count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_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_dev_dbg(hdev, "sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_PRIMARY &&
+ 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_PRIMARY &&
+ hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ rp->index[count++] = cpu_to_le16(d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
+ }
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (2 * count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_ext_index_list *rp;
+ struct hci_dev *d;
+ u16 count;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (d->dev_type == HCI_PRIMARY || d->dev_type == HCI_AMP)
+ count++;
+ }
+
+ rp = kmalloc(struct_size(rp, entry, count), GFP_ATOMIC);
+ if (!rp) {
+ read_unlock(&hci_dev_list_lock);
+ return -ENOMEM;
+ }
+
+ count = 0;
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (hci_dev_test_flag(d, HCI_SETUP) ||
+ hci_dev_test_flag(d, HCI_CONFIG) ||
+ hci_dev_test_flag(d, HCI_USER_CHANNEL))
+ continue;
+
+ /* Devices marked as raw-only are neither configured
+ * nor unconfigured controllers.
+ */
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
+ continue;
+
+ if (d->dev_type == HCI_PRIMARY) {
+ if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ rp->entry[count].type = 0x01;
+ else
+ rp->entry[count].type = 0x00;
+ } else if (d->dev_type == HCI_AMP) {
+ rp->entry[count].type = 0x02;
+ } else {
+ continue;
+ }
+
+ rp->entry[count].bus = d->bus;
+ rp->entry[count++].index = cpu_to_le16(d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
+ }
+
+ rp->num_controllers = cpu_to_le16(count);
+
+ read_unlock(&hci_dev_list_lock);
+
+ /* If this command is called at least once, then all the
+ * default index and unconfigured index events are disabled
+ * and from now on only extended index events are used.
+ */
+ hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_READ_EXT_INDEX_LIST, 0, rp,
+ struct_size(rp, entry, count));
+
+ kfree(rp);
+
+ return err;
+}
+
+static bool is_configured(struct hci_dev *hdev)
+{
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+ !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
+ return false;
+
+ if ((test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) ||
+ test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) &&
+ !bacmp(&hdev->public_addr, BDADDR_ANY))
+ return false;
+
+ return true;
+}
+
+static __le32 get_missing_options(struct hci_dev *hdev)
+{
+ u32 options = 0;
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+ !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
+ options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+ if ((test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) ||
+ test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) &&
+ !bacmp(&hdev->public_addr, BDADDR_ANY))
+ options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+ return cpu_to_le32(options);
+}
+
+static int new_options(struct hci_dev *hdev, struct sock *skip)
+{
+ __le32 options = get_missing_options(hdev);
+
+ return mgmt_limited_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
+ sizeof(options), HCI_MGMT_OPTION_EVENTS, skip);
+}
+
+static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
+{
+ __le32 options = get_missing_options(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
+ sizeof(options));
+}
+
+static int read_config_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_config_info rp;
+ u32 options = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+ options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+ if (hdev->set_bdaddr)
+ options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+ rp.supported_options = cpu_to_le32(options);
+ rp.missing_options = get_missing_options(hdev);
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
+ &rp, sizeof(rp));
+}
+
+static u32 get_supported_phys(struct hci_dev *hdev)
+{
+ u32 supported_phys = 0;
+
+ if (lmp_bredr_capable(hdev)) {
+ supported_phys |= MGMT_PHY_BR_1M_1SLOT;
+
+ if (hdev->features[0][0] & LMP_3SLOT)
+ supported_phys |= MGMT_PHY_BR_1M_3SLOT;
+
+ if (hdev->features[0][0] & LMP_5SLOT)
+ supported_phys |= MGMT_PHY_BR_1M_5SLOT;
+
+ if (lmp_edr_2m_capable(hdev)) {
+ supported_phys |= MGMT_PHY_EDR_2M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_2M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_2M_5SLOT;
+
+ if (lmp_edr_3m_capable(hdev)) {
+ supported_phys |= MGMT_PHY_EDR_3M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_3M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_3M_5SLOT;
+ }
+ }
+ }
+
+ if (lmp_le_capable(hdev)) {
+ supported_phys |= MGMT_PHY_LE_1M_TX;
+ supported_phys |= MGMT_PHY_LE_1M_RX;
+
+ if (hdev->le_features[1] & HCI_LE_PHY_2M) {
+ supported_phys |= MGMT_PHY_LE_2M_TX;
+ supported_phys |= MGMT_PHY_LE_2M_RX;
+ }
+
+ if (hdev->le_features[1] & HCI_LE_PHY_CODED) {
+ supported_phys |= MGMT_PHY_LE_CODED_TX;
+ supported_phys |= MGMT_PHY_LE_CODED_RX;
+ }
+ }
+
+ return supported_phys;
+}
+
+static u32 get_selected_phys(struct hci_dev *hdev)
+{
+ u32 selected_phys = 0;
+
+ if (lmp_bredr_capable(hdev)) {
+ selected_phys |= MGMT_PHY_BR_1M_1SLOT;
+
+ if (hdev->pkt_type & (HCI_DM3 | HCI_DH3))
+ selected_phys |= MGMT_PHY_BR_1M_3SLOT;
+
+ if (hdev->pkt_type & (HCI_DM5 | HCI_DH5))
+ selected_phys |= MGMT_PHY_BR_1M_5SLOT;
+
+ if (lmp_edr_2m_capable(hdev)) {
+ if (!(hdev->pkt_type & HCI_2DH1))
+ selected_phys |= MGMT_PHY_EDR_2M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_2DH3))
+ selected_phys |= MGMT_PHY_EDR_2M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_2DH5))
+ selected_phys |= MGMT_PHY_EDR_2M_5SLOT;
+
+ if (lmp_edr_3m_capable(hdev)) {
+ if (!(hdev->pkt_type & HCI_3DH1))
+ selected_phys |= MGMT_PHY_EDR_3M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_3DH3))
+ selected_phys |= MGMT_PHY_EDR_3M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_3DH5))
+ selected_phys |= MGMT_PHY_EDR_3M_5SLOT;
+ }
+ }
+ }
+
+ if (lmp_le_capable(hdev)) {
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_1M)
+ selected_phys |= MGMT_PHY_LE_1M_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_1M)
+ selected_phys |= MGMT_PHY_LE_1M_RX;
+
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_2M)
+ selected_phys |= MGMT_PHY_LE_2M_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_2M)
+ selected_phys |= MGMT_PHY_LE_2M_RX;
+
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_CODED)
+ selected_phys |= MGMT_PHY_LE_CODED_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_CODED)
+ selected_phys |= MGMT_PHY_LE_CODED_RX;
+ }
+
+ return selected_phys;
+}
+
+static u32 get_configurable_phys(struct hci_dev *hdev)
+{
+ return (get_supported_phys(hdev) & ~MGMT_PHY_BR_1M_1SLOT &
+ ~MGMT_PHY_LE_1M_TX & ~MGMT_PHY_LE_1M_RX);
+}
+
+static u32 get_supported_settings(struct hci_dev *hdev)
+{
+ u32 settings = 0;
+
+ settings |= MGMT_SETTING_POWERED;
+ settings |= MGMT_SETTING_BONDABLE;
+ settings |= MGMT_SETTING_DEBUG_KEYS;
+ settings |= MGMT_SETTING_CONNECTABLE;
+ settings |= MGMT_SETTING_DISCOVERABLE;
+
+ if (lmp_bredr_capable(hdev)) {
+ if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+ settings |= MGMT_SETTING_BREDR;
+ settings |= MGMT_SETTING_LINK_SECURITY;
+
+ if (lmp_ssp_capable(hdev)) {
+ settings |= MGMT_SETTING_SSP;
+ if (IS_ENABLED(CONFIG_BT_HS))
+ settings |= MGMT_SETTING_HS;
+ }
+
+ if (lmp_sc_capable(hdev))
+ settings |= MGMT_SETTING_SECURE_CONN;
+
+ if (test_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED,
+ &hdev->quirks))
+ settings |= MGMT_SETTING_WIDEBAND_SPEECH;
+ }
+
+ if (lmp_le_capable(hdev)) {
+ settings |= MGMT_SETTING_LE;
+ settings |= MGMT_SETTING_SECURE_CONN;
+ settings |= MGMT_SETTING_PRIVACY;
+ settings |= MGMT_SETTING_STATIC_ADDRESS;
+ settings |= MGMT_SETTING_ADVERTISING;
+ }
+
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
+ hdev->set_bdaddr)
+ settings |= MGMT_SETTING_CONFIGURATION;
+
+ if (cis_central_capable(hdev))
+ settings |= MGMT_SETTING_CIS_CENTRAL;
+
+ if (cis_peripheral_capable(hdev))
+ settings |= MGMT_SETTING_CIS_PERIPHERAL;
+
+ settings |= MGMT_SETTING_PHY_CONFIGURATION;
+
+ return settings;
+}
+
+static u32 get_current_settings(struct hci_dev *hdev)
+{
+ u32 settings = 0;
+
+ if (hdev_is_powered(hdev))
+ settings |= MGMT_SETTING_POWERED;
+
+ if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
+ settings |= MGMT_SETTING_CONNECTABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ settings |= MGMT_SETTING_DISCOVERABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_BONDABLE))
+ settings |= MGMT_SETTING_BONDABLE;
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ settings |= MGMT_SETTING_BREDR;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ settings |= MGMT_SETTING_LE;
+
+ if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
+ settings |= MGMT_SETTING_LINK_SECURITY;
+
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ settings |= MGMT_SETTING_SSP;
+
+ if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
+ settings |= MGMT_SETTING_HS;
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ settings |= MGMT_SETTING_ADVERTISING;
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
+ settings |= MGMT_SETTING_SECURE_CONN;
+
+ if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
+ settings |= MGMT_SETTING_DEBUG_KEYS;
+
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY))
+ settings |= MGMT_SETTING_PRIVACY;
+
+ /* The current setting for static address has two purposes. The
+ * first is to indicate if the static address will be used and
+ * the second is to indicate if it is actually set.
+ *
+ * This means if the static address is not configured, this flag
+ * will never be set. If the address is configured, then if the
+ * address is actually used decides if the flag is set or not.
+ *
+ * For single mode LE only controllers and dual-mode controllers
+ * with BR/EDR disabled, the existence of the static address will
+ * be evaluated.
+ */
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
+ if (bacmp(&hdev->static_addr, BDADDR_ANY))
+ settings |= MGMT_SETTING_STATIC_ADDRESS;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_WIDEBAND_SPEECH_ENABLED))
+ settings |= MGMT_SETTING_WIDEBAND_SPEECH;
+
+ if (cis_central_capable(hdev))
+ settings |= MGMT_SETTING_CIS_CENTRAL;
+
+ if (cis_peripheral_capable(hdev))
+ settings |= MGMT_SETTING_CIS_PERIPHERAL;
+
+ if (bis_capable(hdev))
+ settings |= MGMT_SETTING_ISO_BROADCASTER;
+
+ if (sync_recv_capable(hdev))
+ settings |= MGMT_SETTING_ISO_SYNC_RECEIVER;
+
+ return settings;
+}
+
+static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
+{
+ return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
+}
+
+u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ /* If there's a pending mgmt command the flags will not yet have
+ * their final values, so check for this first.
+ */
+ cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
+ if (cmd) {
+ struct mgmt_mode *cp = cmd->param;
+ if (cp->val == 0x01)
+ return LE_AD_GENERAL;
+ else if (cp->val == 0x02)
+ return LE_AD_LIMITED;
+ } else {
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
+ return LE_AD_LIMITED;
+ else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ return LE_AD_GENERAL;
+ }
+
+ return 0;
+}
+
+bool mgmt_get_connectable(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ /* If there's a pending mgmt command the flag will not yet have
+ * it's final value, so check for this first.
+ */
+ cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
+ if (cmd) {
+ struct mgmt_mode *cp = cmd->param;
+
+ return cp->val;
+ }
+
+ return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
+}
+
+static int service_cache_sync(struct hci_dev *hdev, void *data)
+{
+ hci_update_eir_sync(hdev);
+ hci_update_class_sync(hdev);
+
+ return 0;
+}
+
+static void service_cache_off(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ service_cache.work);
+
+ if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
+ return;
+
+ hci_cmd_sync_queue(hdev, service_cache_sync, NULL, NULL);
+}
+
+static int rpa_expired_sync(struct hci_dev *hdev, void *data)
+{
+ /* The generation of a new RPA and programming it into the
+ * controller happens in the hci_req_enable_advertising()
+ * function.
+ */
+ if (ext_adv_capable(hdev))
+ return hci_start_ext_adv_sync(hdev, hdev->cur_adv_instance);
+ else
+ return hci_enable_advertising_sync(hdev);
+}
+
+static void rpa_expired(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ rpa_expired.work);
+
+ bt_dev_dbg(hdev, "");
+
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return;
+
+ hci_cmd_sync_queue(hdev, rpa_expired_sync, NULL, NULL);
+}
+
+static void discov_off(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ discov_off.work);
+
+ bt_dev_dbg(hdev, "");
+
+ 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);
+ hdev->discov_timeout = 0;
+
+ hci_update_discoverable(hdev);
+
+ mgmt_new_settings(hdev);
+
+ hci_dev_unlock(hdev);
+}
+
+static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev);
+
+static void mesh_send_complete(struct hci_dev *hdev,
+ struct mgmt_mesh_tx *mesh_tx, bool silent)
+{
+ u8 handle = mesh_tx->handle;
+
+ if (!silent)
+ mgmt_event(MGMT_EV_MESH_PACKET_CMPLT, hdev, &handle,
+ sizeof(handle), NULL);
+
+ mgmt_mesh_remove(mesh_tx);
+}
+
+static int mesh_send_done_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_mesh_tx *mesh_tx;
+
+ hci_dev_clear_flag(hdev, HCI_MESH_SENDING);
+ hci_disable_advertising_sync(hdev);
+ mesh_tx = mgmt_mesh_next(hdev, NULL);
+
+ if (mesh_tx)
+ mesh_send_complete(hdev, mesh_tx, false);
+
+ return 0;
+}
+
+static int mesh_send_sync(struct hci_dev *hdev, void *data);
+static void mesh_send_start_complete(struct hci_dev *hdev, void *data, int err);
+static void mesh_next(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_mesh_tx *mesh_tx = mgmt_mesh_next(hdev, NULL);
+
+ if (!mesh_tx)
+ return;
+
+ err = hci_cmd_sync_queue(hdev, mesh_send_sync, mesh_tx,
+ mesh_send_start_complete);
+
+ if (err < 0)
+ mesh_send_complete(hdev, mesh_tx, false);
+ else
+ hci_dev_set_flag(hdev, HCI_MESH_SENDING);
+}
+
+static void mesh_send_done(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ mesh_send_done.work);
+
+ if (!hci_dev_test_flag(hdev, HCI_MESH_SENDING))
+ return;
+
+ hci_cmd_sync_queue(hdev, mesh_send_done_sync, NULL, mesh_next);
+}
+
+static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
+{
+ if (hci_dev_test_flag(hdev, HCI_MGMT))
+ return;
+
+ BT_INFO("MGMT ver %d.%d", MGMT_VERSION, MGMT_REVISION);
+
+ INIT_DELAYED_WORK(&hdev->discov_off, discov_off);
+ INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
+ INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
+ INIT_DELAYED_WORK(&hdev->mesh_send_done, mesh_send_done);
+
+ /* 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);
+
+ hci_dev_set_flag(hdev, HCI_MGMT);
+}
+
+static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_info rp;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+
+ bacpy(&rp.bdaddr, &hdev->bdaddr);
+
+ rp.version = hdev->hci_ver;
+ rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+
+ rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
+ rp.current_settings = cpu_to_le32(get_current_settings(hdev));
+
+ memcpy(rp.dev_class, hdev->dev_class, 3);
+
+ memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
+ memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
+ sizeof(rp));
+}
+
+static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir)
+{
+ u16 eir_len = 0;
+ size_t name_len;
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ eir_len = eir_append_data(eir, eir_len, EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ eir_len = eir_append_le16(eir, eir_len, EIR_APPEARANCE,
+ hdev->appearance);
+
+ name_len = strnlen(hdev->dev_name, sizeof(hdev->dev_name));
+ eir_len = eir_append_data(eir, eir_len, EIR_NAME_COMPLETE,
+ hdev->dev_name, name_len);
+
+ name_len = strnlen(hdev->short_name, sizeof(hdev->short_name));
+ eir_len = eir_append_data(eir, eir_len, EIR_NAME_SHORT,
+ hdev->short_name, name_len);
+
+ return eir_len;
+}
+
+static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ char buf[512];
+ struct mgmt_rp_read_ext_info *rp = (void *)buf;
+ u16 eir_len;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&buf, 0, sizeof(buf));
+
+ hci_dev_lock(hdev);
+
+ bacpy(&rp->bdaddr, &hdev->bdaddr);
+
+ rp->version = hdev->hci_ver;
+ rp->manufacturer = cpu_to_le16(hdev->manufacturer);
+
+ rp->supported_settings = cpu_to_le32(get_supported_settings(hdev));
+ rp->current_settings = cpu_to_le32(get_current_settings(hdev));
+
+
+ eir_len = append_eir_data_to_buf(hdev, rp->eir);
+ rp->eir_len = cpu_to_le16(eir_len);
+
+ hci_dev_unlock(hdev);
+
+ /* If this command is called at least once, then the events
+ * for class of device and local name changes are disabled
+ * and only the new extended controller information event
+ * is used.
+ */
+ hci_sock_set_flag(sk, HCI_MGMT_EXT_INFO_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_DEV_CLASS_EVENTS);
+ hci_sock_clear_flag(sk, HCI_MGMT_LOCAL_NAME_EVENTS);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_EXT_INFO, 0, rp,
+ sizeof(*rp) + eir_len);
+}
+
+static int ext_info_changed(struct hci_dev *hdev, struct sock *skip)
+{
+ char buf[512];
+ struct mgmt_ev_ext_info_changed *ev = (void *)buf;
+ u16 eir_len;
+
+ memset(buf, 0, sizeof(buf));
+
+ eir_len = append_eir_data_to_buf(hdev, ev->eir);
+ ev->eir_len = cpu_to_le16(eir_len);
+
+ return mgmt_limited_event(MGMT_EV_EXT_INFO_CHANGED, hdev, ev,
+ sizeof(*ev) + eir_len,
+ HCI_MGMT_EXT_INFO_EVENTS, skip);
+}
+
+static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
+{
+ __le32 settings = cpu_to_le32(get_current_settings(hdev));
+
+ return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
+ sizeof(settings));
+}
+
+void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance)
+{
+ struct mgmt_ev_advertising_added ev;
+
+ ev.instance = instance;
+
+ mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
+ u8 instance)
+{
+ struct mgmt_ev_advertising_removed ev;
+
+ ev.instance = instance;
+
+ mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
+}
+
+static void cancel_adv_timeout(struct hci_dev *hdev)
+{
+ if (hdev->adv_instance_timeout) {
+ hdev->adv_instance_timeout = 0;
+ cancel_delayed_work(&hdev->adv_instance_expire);
+ }
+}
+
+/* This function requires the caller holds hdev->lock */
+static void restart_le_actions(struct hci_dev *hdev)
+{
+ struct hci_conn_params *p;
+
+ list_for_each_entry(p, &hdev->le_conn_params, list) {
+ /* Needed for AUTO_OFF case where might not "really"
+ * have been powered off.
+ */
+ hci_pend_le_list_del_init(p);
+
+ switch (p->auto_connect) {
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ hci_pend_le_list_add(p, &hdev->pend_le_conns);
+ break;
+ case HCI_AUTO_CONN_REPORT:
+ hci_pend_le_list_add(p, &hdev->pend_le_reports);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static int new_settings(struct hci_dev *hdev, struct sock *skip)
+{
+ __le32 ev = cpu_to_le32(get_current_settings(hdev));
+
+ return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
+ sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip);
+}
+
+static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp;
+
+ /* Make sure cmd still outstanding. */
+ if (cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+ return;
+
+ cp = cmd->param;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (!err) {
+ if (cp->val) {
+ hci_dev_lock(hdev);
+ restart_le_actions(hdev);
+ hci_update_passive_scan(hdev);
+ hci_dev_unlock(hdev);
+ }
+
+ send_settings_rsp(cmd->sk, cmd->opcode, hdev);
+
+ /* Only call new_setting for power on as power off is deferred
+ * to hdev->power_off work which does call hci_dev_do_close.
+ */
+ if (cp->val)
+ new_settings(hdev, cmd->sk);
+ } else {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED,
+ mgmt_status(err));
+ }
+
+ mgmt_pending_remove(cmd);
+}
+
+static int set_powered_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+
+ BT_DBG("%s", hdev->name);
+
+ return hci_set_powered_sync(hdev, cp->val);
+}
+
+static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!!cp->val == hdev_is_powered(hdev)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ /* Cancel potentially blocking sync operation before power off */
+ if (cp->val == 0x00) {
+ __hci_cmd_sync_cancel(hdev, -EHOSTDOWN);
+ err = hci_cmd_sync_queue(hdev, set_powered_sync, cmd,
+ mgmt_set_powered_complete);
+ } else {
+ /* Use hci_cmd_sync_submit since hdev might not be running */
+ err = hci_cmd_sync_submit(hdev, set_powered_sync, cmd,
+ mgmt_set_powered_complete);
+ }
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+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 mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
+ int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ /* Make sure cmd still outstanding. */
+ if (cmd != pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ goto done;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
+ hdev->discov_timeout > 0) {
+ int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
+ queue_delayed_work(hdev->req_workqueue, &hdev->discov_off, to);
+ }
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
+ new_settings(hdev, cmd->sk);
+
+done:
+ mgmt_pending_remove(cmd);
+ hci_dev_unlock(hdev);
+}
+
+static int set_discoverable_sync(struct hci_dev *hdev, void *data)
+{
+ BT_DBG("%s", hdev->name);
+
+ return hci_update_discoverable_sync(hdev);
+}
+
+static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_discoverable *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u16 timeout;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ timeout = __le16_to_cpu(cp->timeout);
+
+ /* Disabling discoverable requires that no timeout is set,
+ * and enabling limited discoverable requires a timeout.
+ */
+ if ((cp->val == 0x00 && timeout > 0) ||
+ (cp->val == 0x02 && timeout == 0))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev) && timeout > 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_NOT_POWERED);
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
+ pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_REJECTED);
+ goto failed;
+ }
+
+ if (hdev->advertising_paused) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed = false;
+
+ /* Setting limited discoverable when powered off is
+ * not a valid operation since it requires a timeout
+ * and so no need to check HCI_LIMITED_DISCOVERABLE.
+ */
+ if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
+ hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
+ changed = true;
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ /* If the current mode is the same, then just update the timeout
+ * value with the new value. And if only the timeout gets updated,
+ * then no need for any HCI transactions.
+ */
+ if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
+ (cp->val == 0x02) == hci_dev_test_flag(hdev,
+ HCI_LIMITED_DISCOVERABLE)) {
+ cancel_delayed_work(&hdev->discov_off);
+ hdev->discov_timeout = timeout;
+
+ if (cp->val && hdev->discov_timeout > 0) {
+ int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->discov_off, to);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ /* Cancel any potential discoverable timeout that might be
+ * still active and store new timeout value. The arming of
+ * the timeout happens in the complete handler.
+ */
+ cancel_delayed_work(&hdev->discov_off);
+ hdev->discov_timeout = timeout;
+
+ if (cp->val)
+ hci_dev_set_flag(hdev, HCI_DISCOVERABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+
+ /* Limited discoverable mode */
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+
+ err = hci_cmd_sync_queue(hdev, set_discoverable_sync, cmd,
+ mgmt_set_discoverable_complete);
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
+ int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ /* Make sure cmd still outstanding. */
+ if (cmd != pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ goto done;
+ }
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
+ new_settings(hdev, cmd->sk);
+
+done:
+ if (cmd)
+ mgmt_pending_remove(cmd);
+
+ 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_scan(hdev);
+ hci_update_passive_scan(hdev);
+ return new_settings(hdev, sk);
+ }
+
+ return 0;
+}
+
+static int set_connectable_sync(struct hci_dev *hdev, void *data)
+{
+ BT_DBG("%s", hdev->name);
+
+ return hci_update_connectable_sync(hdev);
+}
+
+static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = set_connectable_update_settings(hdev, sk, cp->val);
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
+ pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ if (cp->val) {
+ hci_dev_set_flag(hdev, HCI_CONNECTABLE);
+ } else {
+ if (hdev->discov_timeout > 0)
+ cancel_delayed_work(&hdev->discov_off);
+
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
+ }
+
+ err = hci_cmd_sync_queue(hdev, set_connectable_sync, cmd,
+ mgmt_set_connectable_complete);
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ bool changed;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed) {
+ /* In limited privacy mode the change of bondable mode
+ * may affect the local advertising address.
+ */
+ hci_update_discoverable(hdev);
+
+ err = new_settings(hdev, sk);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u8 val, status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ status);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed = false;
+
+ if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
+ hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
+ changed = true;
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ val = !!cp->val;
+
+ if (test_bit(HCI_AUTH, &hdev->flags) == val) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 enable = cp->val;
+ bool changed;
+
+ /* Make sure cmd still outstanding. */
+ if (cmd != pending_find(MGMT_OP_SET_SSP, hdev))
+ return;
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+
+ 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_update_eir_sync(hdev);
+}
+
+static int set_ssp_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ bool changed = false;
+ int err;
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+
+ err = hci_write_ssp_mode_sync(hdev, cp->val);
+
+ if (!err && changed)
+ hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
+
+ return err;
+}
+
+static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
+
+ if (!lmp_ssp_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ bool changed;
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_SSP_ENABLED);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_SSP_ENABLED);
+ if (!changed)
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_HS_ENABLED);
+ else
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_SET_SSP, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_ssp_sync, cmd,
+ set_ssp_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_remove(cmd);
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ bool changed;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!IS_ENABLED(CONFIG_BT_HS))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
+
+ if (!lmp_ssp_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_SSP, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
+ } else {
+ if (hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void set_le_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ u8 status = mgmt_status(err);
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (status) {
+ mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
+ &status);
+ return;
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
+
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+static int set_le_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
+ int err;
+
+ if (!val) {
+ hci_clear_adv_instance_sync(hdev, NULL, 0x00, true);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ hci_disable_advertising_sync(hdev);
+
+ if (ext_adv_capable(hdev))
+ hci_remove_ext_adv_instance_sync(hdev, 0, cmd->sk);
+ } else {
+ hci_dev_set_flag(hdev, HCI_LE_ENABLED);
+ }
+
+ err = hci_write_le_host_supported_sync(hdev, val, 0);
+
+ /* 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 (!err && hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
+ if (ext_adv_capable(hdev)) {
+ int status;
+
+ status = hci_setup_ext_adv_instance_sync(hdev, 0x00);
+ if (!status)
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ } else {
+ hci_update_adv_data_sync(hdev, 0x00);
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ }
+
+ hci_update_passive_scan(hdev);
+ }
+
+ return err;
+}
+
+static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ u8 status = mgmt_status(err);
+ struct sock *sk = cmd->sk;
+
+ if (status) {
+ mgmt_pending_foreach(MGMT_OP_SET_MESH_RECEIVER, hdev,
+ cmd_status_rsp, &status);
+ return;
+ }
+
+ mgmt_pending_remove(cmd);
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER, 0, NULL, 0);
+}
+
+static int set_mesh_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_set_mesh *cp = cmd->param;
+ size_t len = cmd->param_len;
+
+ memset(hdev->mesh_ad_types, 0, sizeof(hdev->mesh_ad_types));
+
+ if (cp->enable)
+ hci_dev_set_flag(hdev, HCI_MESH);
+ else
+ hci_dev_clear_flag(hdev, HCI_MESH);
+
+ len -= sizeof(*cp);
+
+ /* If filters don't fit, forward all adv pkts */
+ if (len <= sizeof(hdev->mesh_ad_types))
+ memcpy(hdev->mesh_ad_types, cp->ad_types, len);
+
+ hci_update_passive_scan_sync(hdev);
+ return 0;
+}
+
+static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_cp_set_mesh *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->enable != 0x00 && cp->enable != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_MESH_RECEIVER, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_mesh_sync, cmd,
+ set_mesh_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_remove(cmd);
+ }
+
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void mesh_send_start_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_mesh_tx *mesh_tx = data;
+ struct mgmt_cp_mesh_send *send = (void *)mesh_tx->param;
+ unsigned long mesh_send_interval;
+ u8 mgmt_err = mgmt_status(err);
+
+ /* Report any errors here, but don't report completion */
+
+ if (mgmt_err) {
+ hci_dev_clear_flag(hdev, HCI_MESH_SENDING);
+ /* Send Complete Error Code for handle */
+ mesh_send_complete(hdev, mesh_tx, false);
+ return;
+ }
+
+ mesh_send_interval = msecs_to_jiffies((send->cnt) * 25);
+ queue_delayed_work(hdev->req_workqueue, &hdev->mesh_send_done,
+ mesh_send_interval);
+}
+
+static int mesh_send_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_mesh_tx *mesh_tx = data;
+ struct mgmt_cp_mesh_send *send = (void *)mesh_tx->param;
+ struct adv_info *adv, *next_instance;
+ u8 instance = hdev->le_num_of_adv_sets + 1;
+ u16 timeout, duration;
+ int err = 0;
+
+ if (hdev->le_num_of_adv_sets <= hdev->adv_instance_cnt)
+ return MGMT_STATUS_BUSY;
+
+ timeout = 1000;
+ duration = send->cnt * INTERVAL_TO_MS(hdev->le_adv_max_interval);
+ adv = hci_add_adv_instance(hdev, instance, 0,
+ send->adv_data_len, send->adv_data,
+ 0, NULL,
+ timeout, duration,
+ HCI_ADV_TX_POWER_NO_PREFERENCE,
+ hdev->le_adv_min_interval,
+ hdev->le_adv_max_interval,
+ mesh_tx->handle);
+
+ if (!IS_ERR(adv))
+ mesh_tx->instance = instance;
+ else
+ err = PTR_ERR(adv);
+
+ if (hdev->cur_adv_instance == instance) {
+ /* If the currently advertised instance is being changed then
+ * cancel the current advertising and schedule the next
+ * instance. If there is only one instance then the overridden
+ * advertising data will be visible right away.
+ */
+ cancel_adv_timeout(hdev);
+
+ next_instance = hci_get_next_instance(hdev, instance);
+ if (next_instance)
+ instance = next_instance->instance;
+ else
+ instance = 0;
+ } else if (hdev->adv_instance_timeout) {
+ /* Immediately advertise the new instance if no other, or
+ * let it go naturally from queue if ADV is already happening
+ */
+ instance = 0;
+ }
+
+ if (instance)
+ return hci_schedule_adv_instance_sync(hdev, instance, true);
+
+ return err;
+}
+
+static void send_count(struct mgmt_mesh_tx *mesh_tx, void *data)
+{
+ struct mgmt_rp_mesh_read_features *rp = data;
+
+ if (rp->used_handles >= rp->max_handles)
+ return;
+
+ rp->handles[rp->used_handles++] = mesh_tx->handle;
+}
+
+static int mesh_features(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_rp_mesh_read_features rp;
+
+ if (!lmp_le_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_READ_FEATURES,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.index = cpu_to_le16(hdev->id);
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ rp.max_handles = MESH_HANDLES_MAX;
+
+ hci_dev_lock(hdev);
+
+ if (rp.max_handles)
+ mgmt_mesh_foreach(hdev, send_count, &rp, sk);
+
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_MESH_READ_FEATURES, 0, &rp,
+ rp.used_handles + sizeof(rp) - MESH_HANDLES_MAX);
+
+ hci_dev_unlock(hdev);
+ return 0;
+}
+
+static int send_cancel(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_mesh_send_cancel *cancel = (void *)cmd->param;
+ struct mgmt_mesh_tx *mesh_tx;
+
+ if (!cancel->handle) {
+ do {
+ mesh_tx = mgmt_mesh_next(hdev, cmd->sk);
+
+ if (mesh_tx)
+ mesh_send_complete(hdev, mesh_tx, false);
+ } while (mesh_tx);
+ } else {
+ mesh_tx = mgmt_mesh_find(hdev, cancel->handle);
+
+ if (mesh_tx && mesh_tx->sk == cmd->sk)
+ mesh_send_complete(hdev, mesh_tx, false);
+ }
+
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_MESH_SEND_CANCEL,
+ 0, NULL, 0);
+ mgmt_pending_free(cmd);
+
+ return 0;
+}
+
+static int mesh_send_cancel(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ if (!lmp_le_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND_CANCEL,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND_CANCEL,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+ cmd = mgmt_pending_new(sk, MGMT_OP_MESH_SEND_CANCEL, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, send_cancel, cmd, NULL);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND_CANCEL,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int mesh_send(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mesh_tx *mesh_tx;
+ struct mgmt_cp_mesh_send *send = data;
+ struct mgmt_rp_mesh_read_features rp;
+ bool sending;
+ int err = 0;
+
+ if (!lmp_le_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND,
+ MGMT_STATUS_NOT_SUPPORTED);
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) ||
+ len <= MGMT_MESH_SEND_SIZE ||
+ len > (MGMT_MESH_SEND_SIZE + 31))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.max_handles = MESH_HANDLES_MAX;
+
+ mgmt_mesh_foreach(hdev, send_count, &rp, sk);
+
+ if (rp.max_handles <= rp.used_handles) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND,
+ MGMT_STATUS_BUSY);
+ goto done;
+ }
+
+ sending = hci_dev_test_flag(hdev, HCI_MESH_SENDING);
+ mesh_tx = mgmt_mesh_add(sk, hdev, send, len);
+
+ if (!mesh_tx)
+ err = -ENOMEM;
+ else if (!sending)
+ err = hci_cmd_sync_queue(hdev, mesh_send_sync, mesh_tx,
+ mesh_send_start_complete);
+
+ if (err < 0) {
+ bt_dev_err(hdev, "Send Mesh Failed %d", err);
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_MESH_SEND,
+ MGMT_STATUS_FAILED);
+
+ if (mesh_tx) {
+ if (sending)
+ mgmt_mesh_remove(mesh_tx);
+ }
+ } else {
+ hci_dev_set_flag(hdev, HCI_MESH_SENDING);
+
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_MESH_SEND, 0,
+ &mesh_tx->handle, 1);
+ }
+
+done:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+ u8 val, enabled;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Bluetooth single mode LE only controllers or dual-mode
+ * controllers configured as LE only devices, do not allow
+ * switching LE off. These have either LE enabled explicitly
+ * or BR/EDR has been previously switched off.
+ *
+ * When trying to enable an already enabled LE, then gracefully
+ * send a positive response. Trying to disable it however will
+ * result into rejection.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ if (cp->val == 0x01)
+ return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
+
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_REJECTED);
+ }
+
+ hci_dev_lock(hdev);
+
+ val = !!cp->val;
+ enabled = lmp_host_le_capable(hdev);
+
+ if (!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;
+ else
+ err = hci_cmd_sync_queue(hdev, set_le_sync, cmd,
+ set_le_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ 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, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), hdev->dev_class, 3);
+
+ mgmt_pending_free(cmd);
+}
+
+static int add_uuid_sync(struct hci_dev *hdev, void *data)
+{
+ int err;
+
+ err = hci_update_class_sync(hdev);
+ if (err)
+ return err;
+
+ return hci_update_eir_sync(hdev);
+}
+
+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 bt_uuid *uuid;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (pending_eir_or_class(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
+ MGMT_STATUS_BUSY);
+ goto failed;
+ }
+
+ uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
+ if (!uuid) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ memcpy(uuid->uuid, cp->uuid, 16);
+ uuid->svc_hint = cp->svc_hint;
+ uuid->size = get_uuid_size(cp->uuid);
+
+ list_add_tail(&uuid->list, &hdev->uuids);
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_UUID, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ err = hci_cmd_sync_queue(hdev, add_uuid_sync, cmd, mgmt_class_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
+
+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 int remove_uuid_sync(struct hci_dev *hdev, void *data)
+{
+ int err;
+
+ err = hci_update_class_sync(hdev);
+ if (err)
+ return err;
+
+ return hci_update_eir_sync(hdev);
+}
+
+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;
+ static const u8 bt_uuid_any[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ };
+ int err, found;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (pending_eir_or_class(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
+ hci_uuids_clear(hdev);
+
+ if (enable_service_cache(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_UUID,
+ 0, hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ goto update_class;
+ }
+
+ found = 0;
+
+ list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
+ if (memcmp(match->uuid, cp->uuid, 16) != 0)
+ continue;
+
+ list_del(&match->list);
+ kfree(match);
+ found++;
+ }
+
+ if (found == 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+update_class:
+ cmd = mgmt_pending_new(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, remove_uuid_sync, cmd,
+ mgmt_class_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_class_sync(struct hci_dev *hdev, void *data)
+{
+ int err = 0;
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
+ cancel_delayed_work_sync(&hdev->service_cache);
+ err = hci_update_eir_sync(hdev);
+ }
+
+ if (err)
+ return err;
+
+ return hci_update_class_sync(hdev);
+}
+
+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;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_bredr_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ if (pending_eir_or_class(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ hdev->major_class = cp->major;
+ hdev->minor_class = cp->minor;
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
+ hdev->dev_class, 3);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, set_class_sync, cmd,
+ mgmt_class_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_load_link_keys *cp = data;
+ const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_link_key_info));
+ u16 key_count, expected_len;
+ bool changed;
+ int i;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_bredr_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ key_count = __le16_to_cpu(cp->key_count);
+ if (key_count > max_key_count) {
+ bt_dev_err(hdev, "load_link_keys: too big key_count value %u",
+ key_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = struct_size(cp, keys, key_count);
+ if (expected_len != len) {
+ bt_dev_err(hdev, "load_link_keys: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ bt_dev_dbg(hdev, "debug_keys %u key_count %u", cp->debug_keys,
+ key_count);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_link_key_info *key = &cp->keys[i];
+
+ /* Considering SMP over BREDR/LE, there is no need to check addr_type */
+ if (key->type > 0x08)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_link_keys_clear(hdev);
+
+ if (cp->debug_keys)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_KEEP_DEBUG_KEYS);
+
+ if (changed)
+ new_settings(hdev, NULL);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_link_key_info *key = &cp->keys[i];
+
+ if (hci_is_blocked_key(hdev,
+ HCI_BLOCKED_KEY_TYPE_LINKKEY,
+ key->val)) {
+ bt_dev_warn(hdev, "Skipping blocked link key for %pMR",
+ &key->addr.bdaddr);
+ continue;
+ }
+
+ /* Always ignore debug keys and require a new pairing if
+ * the user wants to use them.
+ */
+ if (key->type == HCI_LK_DEBUG_COMBINATION)
+ continue;
+
+ hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
+ key->type, key->pin_len, NULL);
+ }
+
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type, struct sock *skip_sk)
+{
+ struct mgmt_ev_device_unpaired ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = addr_type;
+
+ return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
+ skip_sk);
+}
+
+static void unpair_device_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_unpair_device *cp = cmd->param;
+
+ if (!err)
+ device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
+
+ cmd->cmd_complete(cmd, err);
+ mgmt_pending_free(cmd);
+}
+
+static int unpair_device_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_unpair_device *cp = cmd->param;
+ struct hci_conn *conn;
+
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
+ le_addr_type(cp->addr.type));
+
+ if (!conn)
+ return 0;
+
+ return hci_abort_conn_sync(hdev, conn, HCI_ERROR_REMOTE_USER_TERM);
+}
+
+static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_unpair_device *cp = data;
+ struct mgmt_rp_unpair_device rp;
+ struct hci_conn_params *params;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ u8 addr_type;
+ int err;
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ /* If disconnection is requested, then look up the
+ * connection. If the remote device is connected, it
+ * will be later used to terminate the link.
+ *
+ * Setting it to NULL explicitly will cause no
+ * termination of the link.
+ */
+ if (cp->disconnect)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = NULL;
+
+ err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
+ if (err < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_NOT_PAIRED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ goto done;
+ }
+
+ /* LE address type */
+ addr_type = le_addr_type(cp->addr.type);
+
+ /* Abort any ongoing SMP pairing. Removes ltk and irk if they exist. */
+ err = smp_cancel_and_remove_pairing(hdev, &cp->addr.bdaddr, addr_type);
+ if (err < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
+ MGMT_STATUS_NOT_PAIRED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
+ if (!conn) {
+ hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
+ goto done;
+ }
+
+
+ /* Defer clearing up the connection parameters until closing to
+ * give a chance of keeping them if a repairing happens.
+ */
+ set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
+
+ /* Disable auto-connection parameters if present */
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
+ if (params) {
+ if (params->explicit_connect)
+ params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
+ else
+ params->auto_connect = HCI_AUTO_CONN_DISABLED;
+ }
+
+ /* If disconnection is not requested, then clear the connection
+ * variable so that the link is not terminated.
+ */
+ if (!cp->disconnect)
+ conn = NULL;
+
+done:
+ /* If the connection variable is set, then termination of the
+ * link is requested.
+ */
+ if (!conn) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
+ &rp, sizeof(rp));
+ device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
+ sizeof(*cp));
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ err = hci_cmd_sync_queue(hdev, unpair_device_sync, cmd,
+ unpair_device_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_disconnect *cp = data;
+ struct mgmt_rp_disconnect rp;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!test_bit(HCI_UP, &hdev->flags)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto failed;
+ }
+
+ if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_BUSY, &rp, sizeof(rp));
+ goto failed;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
+ le_addr_type(cp->addr.type));
+
+ if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
+ MGMT_STATUS_NOT_CONNECTED, &rp,
+ sizeof(rp));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = generic_cmd_complete;
+
+ err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
+{
+ switch (link_type) {
+ case LE_LINK:
+ switch (addr_type) {
+ case ADDR_LE_DEV_PUBLIC:
+ return BDADDR_LE_PUBLIC;
+
+ default:
+ /* Fallback to LE Random address type */
+ return BDADDR_LE_RANDOM;
+ }
+
+ default:
+ /* Fallback to BR/EDR type */
+ return BDADDR_BREDR;
+ }
+}
+
+static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_rp_get_connections *rp;
+ struct hci_conn *c;
+ int err;
+ u16 i;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
+ MGMT_STATUS_NOT_POWERED);
+ goto unlock;
+ }
+
+ i = 0;
+ list_for_each_entry(c, &hdev->conn_hash.list, list) {
+ if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
+ i++;
+ }
+
+ rp = kmalloc(struct_size(rp, addr, i), GFP_KERNEL);
+ if (!rp) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ i = 0;
+ list_for_each_entry(c, &hdev->conn_hash.list, list) {
+ if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
+ continue;
+ bacpy(&rp->addr[i].bdaddr, &c->dst);
+ rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
+ if (c->type == SCO_LINK || c->type == ESCO_LINK)
+ continue;
+ i++;
+ }
+
+ rp->conn_count = cpu_to_le16(i);
+
+ /* Recalculate length in case of filtered SCO connections, etc */
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
+ struct_size(rp, addr, i));
+
+ kfree(rp);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_pin_code_neg_reply *cp)
+{
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
+ sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
+ sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+ return err;
+}
+
+static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct hci_conn *conn;
+ struct mgmt_cp_pin_code_reply *cp = data;
+ struct hci_cp_pin_code_reply reply;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_NOT_POWERED);
+ goto failed;
+ }
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
+ if (!conn) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_NOT_CONNECTED);
+ goto failed;
+ }
+
+ if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
+ struct mgmt_cp_pin_code_neg_reply ncp;
+
+ memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
+
+ bt_dev_err(hdev, "PIN code is not 16 bytes long");
+
+ err = send_pin_code_neg_reply(sk, hdev, &ncp);
+ if (err >= 0)
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ bacpy(&reply.bdaddr, &cp->addr.bdaddr);
+ reply.pin_len = cp->pin_len;
+ memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
+
+ err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_io_capability *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ hdev->io_capability = cp->io_capability;
+
+ bt_dev_dbg(hdev, "IO capability set to 0x%02x", hdev->io_capability);
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
+ NULL, 0);
+}
+
+static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct mgmt_pending_cmd *cmd;
+
+ list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+ if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
+ continue;
+
+ if (cmd->user_data != conn)
+ continue;
+
+ return cmd;
+ }
+
+ return NULL;
+}
+
+static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
+{
+ struct mgmt_rp_pair_device rp;
+ struct hci_conn *conn = cmd->user_data;
+ int err;
+
+ bacpy(&rp.addr.bdaddr, &conn->dst);
+ rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+
+ err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
+ status, &rp, sizeof(rp));
+
+ /* So we don't get further callbacks for this connection */
+ conn->connect_cfm_cb = NULL;
+ conn->security_cfm_cb = NULL;
+ conn->disconn_cfm_cb = NULL;
+
+ hci_conn_drop(conn);
+
+ /* The device is paired so there is no need to remove
+ * its connection parameters anymore.
+ */
+ clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
+
+ hci_conn_put(conn);
+
+ return err;
+}
+
+void mgmt_smp_complete(struct hci_conn *conn, bool complete)
+{
+ u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = find_pairing(conn);
+ if (cmd) {
+ cmd->cmd_complete(cmd, status);
+ mgmt_pending_remove(cmd);
+ }
+}
+
+static void pairing_complete_cb(struct hci_conn *conn, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status %u", status);
+
+ cmd = find_pairing(conn);
+ if (!cmd) {
+ BT_DBG("Unable to find a pending command");
+ return;
+ }
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("status %u", status);
+
+ if (!status)
+ return;
+
+ cmd = find_pairing(conn);
+ if (!cmd) {
+ BT_DBG("Unable to find a pending command");
+ return;
+ }
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_pair_device *cp = data;
+ struct mgmt_rp_pair_device rp;
+ struct mgmt_pending_cmd *cmd;
+ u8 sec_level, auth_type;
+ struct hci_conn *conn;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_ALREADY_PAIRED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ sec_level = BT_SECURITY_MEDIUM;
+ auth_type = HCI_AT_DEDICATED_BONDING;
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
+ auth_type, CONN_REASON_PAIR_DEVICE);
+ } else {
+ u8 addr_type = le_addr_type(cp->addr.type);
+ struct hci_conn_params *p;
+
+ /* When pairing a new device, it is expected to remember
+ * this device for future connections. Adding the connection
+ * parameter information ahead of time allows tracking
+ * of the peripheral preferred values and will speed up any
+ * further connection establishment.
+ *
+ * If connection parameters already exist, then they
+ * will be kept and this function does nothing.
+ */
+ p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
+
+ if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
+ p->auto_connect = HCI_AUTO_CONN_DISABLED;
+
+ conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr, addr_type,
+ sec_level, HCI_LE_CONN_TIMEOUT,
+ CONN_REASON_PAIR_DEVICE);
+ }
+
+ if (IS_ERR(conn)) {
+ int status;
+
+ if (PTR_ERR(conn) == -EBUSY)
+ status = MGMT_STATUS_BUSY;
+ else if (PTR_ERR(conn) == -EOPNOTSUPP)
+ status = MGMT_STATUS_NOT_SUPPORTED;
+ else if (PTR_ERR(conn) == -ECONNREFUSED)
+ status = MGMT_STATUS_REJECTED;
+ else
+ status = MGMT_STATUS_CONNECT_FAILED;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ status, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ if (conn->connect_cfm_cb) {
+ hci_conn_drop(conn);
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+ MGMT_STATUS_BUSY, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
+ cmd->cmd_complete = pairing_complete;
+
+ /* For LE, just connecting isn't a proof that the pairing finished */
+ if (cp->addr.type == BDADDR_BREDR) {
+ conn->connect_cfm_cb = pairing_complete_cb;
+ conn->security_cfm_cb = pairing_complete_cb;
+ conn->disconn_cfm_cb = pairing_complete_cb;
+ } else {
+ conn->connect_cfm_cb = le_pairing_complete_cb;
+ conn->security_cfm_cb = le_pairing_complete_cb;
+ conn->disconn_cfm_cb = le_pairing_complete_cb;
+ }
+
+ conn->io_capability = cp->io_cap;
+ cmd->user_data = hci_conn_get(conn);
+
+ if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
+ hci_conn_security(conn, sec_level, auth_type, true)) {
+ cmd->cmd_complete(cmd, 0);
+ mgmt_pending_remove(cmd);
+ }
+
+ err = 0;
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_addr_info *addr = data;
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_NOT_POWERED);
+ goto unlock;
+ }
+
+ cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
+ if (!cmd) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ conn = cmd->user_data;
+
+ if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
+ mgmt_pending_remove(cmd);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
+ addr, sizeof(*addr));
+
+ /* Since user doesn't want to proceed with the connection, abort any
+ * ongoing pairing and then terminate the link if it was created
+ * because of the pair device action.
+ */
+ if (addr->type == BDADDR_BREDR)
+ hci_remove_link_key(hdev, &addr->bdaddr);
+ else
+ smp_cancel_and_remove_pairing(hdev, &addr->bdaddr,
+ le_addr_type(addr->type));
+
+ if (conn->conn_reason == CONN_REASON_PAIR_DEVICE)
+ hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_addr_info *addr, u16 mgmt_op,
+ u16 hci_op, __le32 passkey)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_POWERED, addr,
+ sizeof(*addr));
+ goto done;
+ }
+
+ if (addr->type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
+ else
+ conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
+ le_addr_type(addr->type));
+
+ if (!conn) {
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_CONNECTED, addr,
+ sizeof(*addr));
+ goto done;
+ }
+
+ if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
+ err = smp_user_confirm_reply(conn, mgmt_op, passkey);
+ if (!err)
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_SUCCESS, addr,
+ sizeof(*addr));
+ else
+ err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_FAILED, addr,
+ sizeof(*addr));
+
+ goto done;
+ }
+
+ cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
+ if (!cmd) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ cmd->cmd_complete = addr_cmd_complete;
+
+ /* Continue with pairing via HCI */
+ if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
+ struct hci_cp_user_passkey_reply cp;
+
+ bacpy(&cp.bdaddr, &addr->bdaddr);
+ cp.passkey = passkey;
+ err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
+ } else
+ err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
+ &addr->bdaddr);
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+done:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_pin_code_neg_reply *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_PIN_CODE_NEG_REPLY,
+ HCI_OP_PIN_CODE_NEG_REPLY, 0);
+}
+
+static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_user_confirm_reply *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (len != sizeof(*cp))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_USER_CONFIRM_REPLY,
+ HCI_OP_USER_CONFIRM_REPLY, 0);
+}
+
+static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_user_confirm_neg_reply *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_USER_CONFIRM_NEG_REPLY,
+ HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
+}
+
+static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_user_passkey_reply *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_USER_PASSKEY_REPLY,
+ HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
+}
+
+static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_user_passkey_neg_reply *cp = data;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ return user_pairing_resp(sk, hdev, &cp->addr,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY,
+ HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
+}
+
+static int adv_expire_sync(struct hci_dev *hdev, u32 flags)
+{
+ struct adv_info *adv_instance;
+
+ adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance);
+ if (!adv_instance)
+ return 0;
+
+ /* stop if current instance doesn't need to be changed */
+ if (!(adv_instance->flags & flags))
+ return 0;
+
+ cancel_adv_timeout(hdev);
+
+ adv_instance = hci_get_next_instance(hdev, adv_instance->instance);
+ if (!adv_instance)
+ return 0;
+
+ hci_schedule_adv_instance_sync(hdev, adv_instance->instance, true);
+
+ return 0;
+}
+
+static int name_changed_sync(struct hci_dev *hdev, void *data)
+{
+ return adv_expire_sync(hdev, MGMT_ADV_FLAG_LOCAL_NAME);
+}
+
+static void set_name_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_set_local_name *cp = cmd->param;
+ u8 status = mgmt_status(err);
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (cmd != pending_find(MGMT_OP_SET_LOCAL_NAME, hdev))
+ return;
+
+ if (status) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ status);
+ } else {
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ cp, sizeof(*cp));
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ hci_cmd_sync_queue(hdev, name_changed_sync, NULL, NULL);
+ }
+
+ mgmt_pending_remove(cmd);
+}
+
+static int set_name_sync(struct hci_dev *hdev, void *data)
+{
+ if (lmp_bredr_capable(hdev)) {
+ hci_update_name_sync(hdev);
+ hci_update_eir_sync(hdev);
+ }
+
+ /* The name is stored in the scan response data and so
+ * no need to update the advertising data here.
+ */
+ if (lmp_le_capable(hdev) && hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ hci_update_scan_rsp_data_sync(hdev, hdev->cur_adv_instance);
+
+ return 0;
+}
+
+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;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ /* If the old values are the same as the new ones just return a
+ * direct command complete event.
+ */
+ if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
+ !memcmp(hdev->short_name, cp->short_name,
+ sizeof(hdev->short_name))) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ goto failed;
+ }
+
+ memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
+
+ if (!hdev_is_powered(hdev)) {
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ if (err < 0)
+ goto failed;
+
+ err = mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data,
+ len, HCI_MGMT_LOCAL_NAME_EVENTS, sk);
+ ext_info_changed(hdev, sk);
+
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_name_sync, cmd,
+ set_name_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_remove(cmd);
+
+ goto failed;
+ }
+
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int appearance_changed_sync(struct hci_dev *hdev, void *data)
+{
+ return adv_expire_sync(hdev, MGMT_ADV_FLAG_APPEARANCE);
+}
+
+static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_appearance *cp = data;
+ u16 appearance;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_APPEARANCE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ appearance = le16_to_cpu(cp->appearance);
+
+ hci_dev_lock(hdev);
+
+ if (hdev->appearance != appearance) {
+ hdev->appearance = appearance;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ hci_cmd_sync_queue(hdev, appearance_changed_sync, NULL,
+ NULL);
+
+ ext_info_changed(hdev, sk);
+ }
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_APPEARANCE, 0, NULL,
+ 0);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int get_phy_configuration(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_rp_get_phy_configuration rp;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.supported_phys = cpu_to_le32(get_supported_phys(hdev));
+ rp.selected_phys = cpu_to_le32(get_selected_phys(hdev));
+ rp.configurable_phys = cpu_to_le32(get_configurable_phys(hdev));
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_PHY_CONFIGURATION, 0,
+ &rp, sizeof(rp));
+}
+
+int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip)
+{
+ struct mgmt_ev_phy_configuration_changed ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ ev.selected_phys = cpu_to_le32(get_selected_phys(hdev));
+
+ return mgmt_event(MGMT_EV_PHY_CONFIGURATION_CHANGED, hdev, &ev,
+ sizeof(ev), skip);
+}
+
+static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
+
+ if (cmd != pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev))
+ return;
+
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
+
+ bt_dev_dbg(hdev, "status %d", status);
+
+ if (status) {
+ mgmt_cmd_status(cmd->sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION, status);
+ } else {
+ mgmt_cmd_complete(cmd->sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION, 0,
+ NULL, 0);
+
+ mgmt_phy_configuration_changed(hdev, cmd->sk);
+ }
+
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
+ mgmt_pending_remove(cmd);
+}
+
+static int set_default_phy_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_set_phy_configuration *cp = cmd->param;
+ struct hci_cp_le_set_default_phy cp_phy;
+ u32 selected_phys = __le32_to_cpu(cp->selected_phys);
+
+ memset(&cp_phy, 0, sizeof(cp_phy));
+
+ if (!(selected_phys & MGMT_PHY_LE_TX_MASK))
+ cp_phy.all_phys |= 0x01;
+
+ if (!(selected_phys & MGMT_PHY_LE_RX_MASK))
+ cp_phy.all_phys |= 0x02;
+
+ if (selected_phys & MGMT_PHY_LE_1M_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_1M;
+
+ if (selected_phys & MGMT_PHY_LE_2M_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_2M;
+
+ if (selected_phys & MGMT_PHY_LE_CODED_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_CODED;
+
+ if (selected_phys & MGMT_PHY_LE_1M_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_1M;
+
+ if (selected_phys & MGMT_PHY_LE_2M_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_2M;
+
+ if (selected_phys & MGMT_PHY_LE_CODED_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_CODED;
+
+ cmd->skb = __hci_cmd_sync(hdev, HCI_OP_LE_SET_DEFAULT_PHY,
+ sizeof(cp_phy), &cp_phy, HCI_CMD_TIMEOUT);
+
+ return 0;
+}
+
+static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_phy_configuration *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u32 selected_phys, configurable_phys, supported_phys, unconfigure_phys;
+ u16 pkt_type = (HCI_DH1 | HCI_DM1);
+ bool changed = false;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ configurable_phys = get_configurable_phys(hdev);
+ supported_phys = get_supported_phys(hdev);
+ selected_phys = __le32_to_cpu(cp->selected_phys);
+
+ if (selected_phys & ~supported_phys)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ unconfigure_phys = supported_phys & ~configurable_phys;
+
+ if ((selected_phys & unconfigure_phys) != unconfigure_phys)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (selected_phys == get_selected_phys(hdev))
+ return mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ 0, NULL, 0);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (selected_phys & MGMT_PHY_BR_1M_3SLOT)
+ pkt_type |= (HCI_DH3 | HCI_DM3);
+ else
+ pkt_type &= ~(HCI_DH3 | HCI_DM3);
+
+ if (selected_phys & MGMT_PHY_BR_1M_5SLOT)
+ pkt_type |= (HCI_DH5 | HCI_DM5);
+ else
+ pkt_type &= ~(HCI_DH5 | HCI_DM5);
+
+ if (selected_phys & MGMT_PHY_EDR_2M_1SLOT)
+ pkt_type &= ~HCI_2DH1;
+ else
+ pkt_type |= HCI_2DH1;
+
+ if (selected_phys & MGMT_PHY_EDR_2M_3SLOT)
+ pkt_type &= ~HCI_2DH3;
+ else
+ pkt_type |= HCI_2DH3;
+
+ if (selected_phys & MGMT_PHY_EDR_2M_5SLOT)
+ pkt_type &= ~HCI_2DH5;
+ else
+ pkt_type |= HCI_2DH5;
+
+ if (selected_phys & MGMT_PHY_EDR_3M_1SLOT)
+ pkt_type &= ~HCI_3DH1;
+ else
+ pkt_type |= HCI_3DH1;
+
+ if (selected_phys & MGMT_PHY_EDR_3M_3SLOT)
+ pkt_type &= ~HCI_3DH3;
+ else
+ pkt_type |= HCI_3DH3;
+
+ if (selected_phys & MGMT_PHY_EDR_3M_5SLOT)
+ pkt_type &= ~HCI_3DH5;
+ else
+ pkt_type |= HCI_3DH5;
+
+ if (pkt_type != hdev->pkt_type) {
+ hdev->pkt_type = pkt_type;
+ changed = true;
+ }
+
+ if ((selected_phys & MGMT_PHY_LE_MASK) ==
+ (get_selected_phys(hdev) & MGMT_PHY_LE_MASK)) {
+ if (changed)
+ mgmt_phy_configuration_changed(hdev, sk);
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ 0, NULL, 0);
+
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
+ len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_default_phy_sync, cmd,
+ set_default_phy_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_remove(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int set_blocked_keys(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ int err = MGMT_STATUS_SUCCESS;
+ struct mgmt_cp_set_blocked_keys *keys = data;
+ const u16 max_key_count = ((U16_MAX - sizeof(*keys)) /
+ sizeof(struct mgmt_blocked_key_info));
+ u16 key_count, expected_len;
+ int i;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ key_count = __le16_to_cpu(keys->key_count);
+ if (key_count > max_key_count) {
+ bt_dev_err(hdev, "too big key_count value %u", key_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = struct_size(keys, keys, key_count);
+ if (expected_len != len) {
+ bt_dev_err(hdev, "expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_blocked_keys_clear(hdev);
+
+ for (i = 0; i < key_count; ++i) {
+ struct blocked_key *b = kzalloc(sizeof(*b), GFP_KERNEL);
+
+ if (!b) {
+ err = MGMT_STATUS_NO_RESOURCES;
+ break;
+ }
+
+ b->type = keys->keys[i].type;
+ memcpy(b->val, keys->keys[i].val, sizeof(b->val));
+ list_add_rcu(&b->list, &hdev->blocked_keys);
+ }
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_BLOCKED_KEYS,
+ err, NULL, 0);
+}
+
+static int set_wideband_speech(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ int err;
+ bool changed = false;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!test_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_WIDEBAND_SPEECH,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_WIDEBAND_SPEECH,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (hdev_is_powered(hdev) &&
+ !!cp->val != hci_dev_test_flag(hdev,
+ HCI_WIDEBAND_SPEECH_ENABLED)) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_WIDEBAND_SPEECH,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_WIDEBAND_SPEECH_ENABLED);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_WIDEBAND_SPEECH_ENABLED);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_WIDEBAND_SPEECH, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int read_controller_cap(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ char buf[20];
+ struct mgmt_rp_read_controller_cap *rp = (void *)buf;
+ u16 cap_len = 0;
+ u8 flags = 0;
+ u8 tx_power_range[2];
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&buf, 0, sizeof(buf));
+
+ hci_dev_lock(hdev);
+
+ /* When the Read Simple Pairing Options command is supported, then
+ * the remote public key validation is supported.
+ *
+ * Alternatively, when Microsoft extensions are available, they can
+ * indicate support for public key validation as well.
+ */
+ if ((hdev->commands[41] & 0x08) || msft_curve_validity(hdev))
+ flags |= 0x01; /* Remote public key validation (BR/EDR) */
+
+ flags |= 0x02; /* Remote public key validation (LE) */
+
+ /* When the Read Encryption Key Size command is supported, then the
+ * encryption key size is enforced.
+ */
+ if (hdev->commands[20] & 0x10)
+ flags |= 0x04; /* Encryption key size enforcement (BR/EDR) */
+
+ flags |= 0x08; /* Encryption key size enforcement (LE) */
+
+ cap_len = eir_append_data(rp->cap, cap_len, MGMT_CAP_SEC_FLAGS,
+ &flags, 1);
+
+ /* When the Read Simple Pairing Options command is supported, then
+ * also max encryption key size information is provided.
+ */
+ if (hdev->commands[41] & 0x08)
+ cap_len = eir_append_le16(rp->cap, cap_len,
+ MGMT_CAP_MAX_ENC_KEY_SIZE,
+ hdev->max_enc_key_size);
+
+ cap_len = eir_append_le16(rp->cap, cap_len,
+ MGMT_CAP_SMP_MAX_ENC_KEY_SIZE,
+ SMP_MAX_ENC_KEY_SIZE);
+
+ /* Append the min/max LE tx power parameters if we were able to fetch
+ * it from the controller
+ */
+ if (hdev->commands[38] & 0x80) {
+ memcpy(&tx_power_range[0], &hdev->min_le_tx_power, 1);
+ memcpy(&tx_power_range[1], &hdev->max_le_tx_power, 1);
+ cap_len = eir_append_data(rp->cap, cap_len, MGMT_CAP_LE_TX_PWR,
+ tx_power_range, 2);
+ }
+
+ rp->cap_len = cpu_to_le16(cap_len);
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONTROLLER_CAP, 0,
+ rp, sizeof(*rp) + cap_len);
+}
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+/* d4992530-b9ec-469f-ab01-6c481c47da1c */
+static const u8 debug_uuid[16] = {
+ 0x1c, 0xda, 0x47, 0x1c, 0x48, 0x6c, 0x01, 0xab,
+ 0x9f, 0x46, 0xec, 0xb9, 0x30, 0x25, 0x99, 0xd4,
+};
+#endif
+
+/* 330859bc-7506-492d-9370-9a6f0614037f */
+static const u8 quality_report_uuid[16] = {
+ 0x7f, 0x03, 0x14, 0x06, 0x6f, 0x9a, 0x70, 0x93,
+ 0x2d, 0x49, 0x06, 0x75, 0xbc, 0x59, 0x08, 0x33,
+};
+
+/* a6695ace-ee7f-4fb9-881a-5fac66c629af */
+static const u8 offload_codecs_uuid[16] = {
+ 0xaf, 0x29, 0xc6, 0x66, 0xac, 0x5f, 0x1a, 0x88,
+ 0xb9, 0x4f, 0x7f, 0xee, 0xce, 0x5a, 0x69, 0xa6,
+};
+
+/* 671b10b5-42c0-4696-9227-eb28d1b049d6 */
+static const u8 le_simultaneous_roles_uuid[16] = {
+ 0xd6, 0x49, 0xb0, 0xd1, 0x28, 0xeb, 0x27, 0x92,
+ 0x96, 0x46, 0xc0, 0x42, 0xb5, 0x10, 0x1b, 0x67,
+};
+
+/* 15c0a148-c273-11ea-b3de-0242ac130004 */
+static const u8 rpa_resolution_uuid[16] = {
+ 0x04, 0x00, 0x13, 0xac, 0x42, 0x02, 0xde, 0xb3,
+ 0xea, 0x11, 0x73, 0xc2, 0x48, 0xa1, 0xc0, 0x15,
+};
+
+/* 6fbaf188-05e0-496a-9885-d6ddfdb4e03e */
+static const u8 iso_socket_uuid[16] = {
+ 0x3e, 0xe0, 0xb4, 0xfd, 0xdd, 0xd6, 0x85, 0x98,
+ 0x6a, 0x49, 0xe0, 0x05, 0x88, 0xf1, 0xba, 0x6f,
+};
+
+/* 2ce463d7-7a03-4d8d-bf05-5f24e8f36e76 */
+static const u8 mgmt_mesh_uuid[16] = {
+ 0x76, 0x6e, 0xf3, 0xe8, 0x24, 0x5f, 0x05, 0xbf,
+ 0x8d, 0x4d, 0x03, 0x7a, 0xd7, 0x63, 0xe4, 0x2c,
+};
+
+static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_exp_features_info *rp;
+ size_t len;
+ u16 idx = 0;
+ u32 flags;
+ int status;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ /* Enough space for 7 features */
+ len = sizeof(*rp) + (sizeof(rp->features[0]) * 7);
+ rp = kzalloc(len, GFP_KERNEL);
+ if (!rp)
+ return -ENOMEM;
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ if (!hdev) {
+ flags = bt_dbg_get() ? BIT(0) : 0;
+
+ memcpy(rp->features[idx].uuid, debug_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+#endif
+
+ if (hdev && hci_dev_le_state_simultaneous(hdev)) {
+ if (hci_dev_test_flag(hdev, HCI_LE_SIMULTANEOUS_ROLES))
+ flags = BIT(0);
+ else
+ flags = 0;
+
+ memcpy(rp->features[idx].uuid, le_simultaneous_roles_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ if (hdev && ll_privacy_capable(hdev)) {
+ if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+ flags = BIT(0) | BIT(1);
+ else
+ flags = BIT(1);
+
+ memcpy(rp->features[idx].uuid, rpa_resolution_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ if (hdev && (aosp_has_quality_report(hdev) ||
+ hdev->set_quality_report)) {
+ if (hci_dev_test_flag(hdev, HCI_QUALITY_REPORT))
+ flags = BIT(0);
+ else
+ flags = 0;
+
+ memcpy(rp->features[idx].uuid, quality_report_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ if (hdev && hdev->get_data_path_id) {
+ if (hci_dev_test_flag(hdev, HCI_OFFLOAD_CODECS_ENABLED))
+ flags = BIT(0);
+ else
+ flags = 0;
+
+ memcpy(rp->features[idx].uuid, offload_codecs_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ if (IS_ENABLED(CONFIG_BT_LE)) {
+ flags = iso_enabled() ? BIT(0) : 0;
+ memcpy(rp->features[idx].uuid, iso_socket_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ if (hdev && lmp_le_capable(hdev)) {
+ if (hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL))
+ flags = BIT(0);
+ else
+ flags = 0;
+
+ memcpy(rp->features[idx].uuid, mgmt_mesh_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+
+ rp->feature_count = cpu_to_le16(idx);
+
+ /* After reading the experimental features information, enable
+ * the events to update client on any future change.
+ */
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ status = mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
+ 0, rp, sizeof(*rp) + (20 * idx));
+
+ kfree(rp);
+ return status;
+}
+
+static int exp_ll_privacy_feature_changed(bool enabled, struct hci_dev *hdev,
+ struct sock *skip)
+{
+ struct mgmt_ev_exp_feature_changed ev;
+
+ memset(&ev, 0, sizeof(ev));
+ memcpy(ev.uuid, rpa_resolution_uuid, 16);
+ ev.flags = cpu_to_le32((enabled ? BIT(0) : 0) | BIT(1));
+
+ // Do we need to be atomic with the conn_flags?
+ if (enabled && privacy_mode_capable(hdev))
+ hdev->conn_flags |= HCI_CONN_FLAG_DEVICE_PRIVACY;
+ else
+ hdev->conn_flags &= ~HCI_CONN_FLAG_DEVICE_PRIVACY;
+
+ return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev,
+ &ev, sizeof(ev),
+ HCI_MGMT_EXP_FEATURE_EVENTS, skip);
+
+}
+
+static int exp_feature_changed(struct hci_dev *hdev, const u8 *uuid,
+ bool enabled, struct sock *skip)
+{
+ struct mgmt_ev_exp_feature_changed ev;
+
+ memset(&ev, 0, sizeof(ev));
+ memcpy(ev.uuid, uuid, 16);
+ ev.flags = cpu_to_le32(enabled ? BIT(0) : 0);
+
+ return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev,
+ &ev, sizeof(ev),
+ HCI_MGMT_EXP_FEATURE_EVENTS, skip);
+}
+
+#define EXP_FEAT(_uuid, _set_func) \
+{ \
+ .uuid = _uuid, \
+ .set_func = _set_func, \
+}
+
+/* The zero key uuid is special. Multiple exp features are set through it. */
+static int set_zero_key_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp, u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+
+ memset(rp.uuid, 0, 16);
+ rp.flags = cpu_to_le32(0);
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ if (!hdev) {
+ bool changed = bt_dbg_get();
+
+ bt_dbg_set(false);
+
+ if (changed)
+ exp_feature_changed(NULL, ZERO_KEY, false, sk);
+ }
+#endif
+
+ if (hdev && use_ll_privacy(hdev) && !hdev_is_powered(hdev)) {
+ bool changed;
+
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_ENABLE_LL_PRIVACY);
+ if (changed)
+ exp_feature_changed(hdev, rpa_resolution_uuid, false,
+ sk);
+ }
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ return mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+}
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+static int set_debug_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp, u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+
+ bool val, changed;
+ int err;
+
+ /* Command requires to use the non-controller index */
+ if (hdev)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+ changed = val ? !bt_dbg_get() : bt_dbg_get();
+ bt_dbg_set(val);
+
+ memcpy(rp.uuid, debug_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, debug_uuid, val, sk);
+
+ return err;
+}
+#endif
+
+static int set_mgmt_mesh_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp, u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+ bool val, changed;
+ int err;
+
+ /* Command requires to use the controller index */
+ if (!hdev)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+
+ if (val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_MESH_EXPERIMENTAL);
+ } else {
+ hci_dev_clear_flag(hdev, HCI_MESH);
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_MESH_EXPERIMENTAL);
+ }
+
+ memcpy(rp.uuid, mgmt_mesh_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, mgmt_mesh_uuid, val, sk);
+
+ return err;
+}
+
+static int set_rpa_resolution_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp,
+ u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+ bool val, changed;
+ int err;
+ u32 flags;
+
+ /* Command requires to use the controller index */
+ if (!hdev)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Changes can only be made when controller is powered down */
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_REJECTED);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+
+ if (val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_ENABLE_LL_PRIVACY);
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING);
+
+ /* Enable LL privacy + supported settings changed */
+ flags = BIT(0) | BIT(1);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_ENABLE_LL_PRIVACY);
+
+ /* Disable LL privacy + supported settings changed */
+ flags = BIT(1);
+ }
+
+ memcpy(rp.uuid, rpa_resolution_uuid, 16);
+ rp.flags = cpu_to_le32(flags);
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_ll_privacy_feature_changed(val, hdev, sk);
+
+ return err;
+}
+
+static int set_quality_report_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp,
+ u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+ bool val, changed;
+ int err;
+
+ /* Command requires to use a valid controller index */
+ if (!hdev)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_req_sync_lock(hdev);
+
+ val = !!cp->param[0];
+ changed = (val != hci_dev_test_flag(hdev, HCI_QUALITY_REPORT));
+
+ if (!aosp_has_quality_report(hdev) && !hdev->set_quality_report) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_NOT_SUPPORTED);
+ goto unlock_quality_report;
+ }
+
+ if (changed) {
+ if (hdev->set_quality_report)
+ err = hdev->set_quality_report(hdev, val);
+ else
+ err = aosp_set_quality_report(hdev, val);
+
+ if (err) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_FAILED);
+ goto unlock_quality_report;
+ }
+
+ if (val)
+ hci_dev_set_flag(hdev, HCI_QUALITY_REPORT);
+ else
+ hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);
+ }
+
+ bt_dev_dbg(hdev, "quality report enable %d changed %d", val, changed);
+
+ memcpy(rp.uuid, quality_report_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, quality_report_uuid, val, sk);
+
+unlock_quality_report:
+ hci_req_sync_unlock(hdev);
+ return err;
+}
+
+static int set_offload_codec_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp,
+ u16 data_len)
+{
+ bool val, changed;
+ int err;
+ struct mgmt_rp_set_exp_feature rp;
+
+ /* Command requires to use a valid controller index */
+ if (!hdev)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+ changed = (val != hci_dev_test_flag(hdev, HCI_OFFLOAD_CODECS_ENABLED));
+
+ if (!hdev->get_data_path_id) {
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_NOT_SUPPORTED);
+ }
+
+ if (changed) {
+ if (val)
+ hci_dev_set_flag(hdev, HCI_OFFLOAD_CODECS_ENABLED);
+ else
+ hci_dev_clear_flag(hdev, HCI_OFFLOAD_CODECS_ENABLED);
+ }
+
+ bt_dev_info(hdev, "offload codecs enable %d changed %d",
+ val, changed);
+
+ memcpy(rp.uuid, offload_codecs_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, offload_codecs_uuid, val, sk);
+
+ return err;
+}
+
+static int set_le_simultaneous_roles_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp,
+ u16 data_len)
+{
+ bool val, changed;
+ int err;
+ struct mgmt_rp_set_exp_feature rp;
+
+ /* Command requires to use a valid controller index */
+ if (!hdev)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+ changed = (val != hci_dev_test_flag(hdev, HCI_LE_SIMULTANEOUS_ROLES));
+
+ if (!hci_dev_le_state_simultaneous(hdev)) {
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_NOT_SUPPORTED);
+ }
+
+ if (changed) {
+ if (val)
+ hci_dev_set_flag(hdev, HCI_LE_SIMULTANEOUS_ROLES);
+ else
+ hci_dev_clear_flag(hdev, HCI_LE_SIMULTANEOUS_ROLES);
+ }
+
+ bt_dev_info(hdev, "LE simultaneous roles enable %d changed %d",
+ val, changed);
+
+ memcpy(rp.uuid, le_simultaneous_roles_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, le_simultaneous_roles_uuid, val, sk);
+
+ return err;
+}
+
+#ifdef CONFIG_BT_LE
+static int set_iso_socket_func(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp, u16 data_len)
+{
+ struct mgmt_rp_set_exp_feature rp;
+ bool val, changed = false;
+ int err;
+
+ /* Command requires to use the non-controller index */
+ if (hdev)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = cp->param[0] ? true : false;
+ if (val)
+ err = iso_init();
+ else
+ err = iso_exit();
+
+ if (!err)
+ changed = true;
+
+ memcpy(rp.uuid, iso_socket_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_feature_changed(hdev, iso_socket_uuid, val, sk);
+
+ return err;
+}
+#endif
+
+static const struct mgmt_exp_feature {
+ const u8 *uuid;
+ int (*set_func)(struct sock *sk, struct hci_dev *hdev,
+ struct mgmt_cp_set_exp_feature *cp, u16 data_len);
+} exp_features[] = {
+ EXP_FEAT(ZERO_KEY, set_zero_key_func),
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ EXP_FEAT(debug_uuid, set_debug_func),
+#endif
+ EXP_FEAT(mgmt_mesh_uuid, set_mgmt_mesh_func),
+ EXP_FEAT(rpa_resolution_uuid, set_rpa_resolution_func),
+ EXP_FEAT(quality_report_uuid, set_quality_report_func),
+ EXP_FEAT(offload_codecs_uuid, set_offload_codec_func),
+ EXP_FEAT(le_simultaneous_roles_uuid, set_le_simultaneous_roles_func),
+#ifdef CONFIG_BT_LE
+ EXP_FEAT(iso_socket_uuid, set_iso_socket_func),
+#endif
+
+ /* end with a null feature */
+ EXP_FEAT(NULL, NULL)
+};
+
+static int set_exp_feature(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_set_exp_feature *cp = data;
+ size_t i = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ for (i = 0; exp_features[i].uuid; i++) {
+ if (!memcmp(cp->uuid, exp_features[i].uuid, 16))
+ return exp_features[i].set_func(sk, hdev, cp, data_len);
+ }
+
+ return mgmt_cmd_status(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_NOT_SUPPORTED);
+}
+
+static u32 get_params_flags(struct hci_dev *hdev,
+ struct hci_conn_params *params)
+{
+ u32 flags = hdev->conn_flags;
+
+ /* Devices using RPAs can only be programmed in the acceptlist if
+ * LL Privacy has been enable otherwise they cannot mark
+ * HCI_CONN_FLAG_REMOTE_WAKEUP.
+ */
+ if ((flags & HCI_CONN_FLAG_REMOTE_WAKEUP) && !use_ll_privacy(hdev) &&
+ hci_find_irk_by_addr(hdev, &params->addr, params->addr_type))
+ flags &= ~HCI_CONN_FLAG_REMOTE_WAKEUP;
+
+ return flags;
+}
+
+static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_cp_get_device_flags *cp = data;
+ struct mgmt_rp_get_device_flags rp;
+ struct bdaddr_list_with_flags *br_params;
+ struct hci_conn_params *params;
+ u32 supported_flags;
+ u32 current_flags = 0;
+ u8 status = MGMT_STATUS_INVALID_PARAMS;
+
+ bt_dev_dbg(hdev, "Get device flags %pMR (type 0x%x)\n",
+ &cp->addr.bdaddr, cp->addr.type);
+
+ hci_dev_lock(hdev);
+
+ supported_flags = hdev->conn_flags;
+
+ memset(&rp, 0, sizeof(rp));
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list,
+ &cp->addr.bdaddr,
+ cp->addr.type);
+ if (!br_params)
+ goto done;
+
+ current_flags = br_params->flags;
+ } else {
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+ le_addr_type(cp->addr.type));
+ if (!params)
+ goto done;
+
+ supported_flags = get_params_flags(hdev, params);
+ current_flags = params->flags;
+ }
+
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+ rp.supported_flags = cpu_to_le32(supported_flags);
+ rp.current_flags = cpu_to_le32(current_flags);
+
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_DEVICE_FLAGS, status,
+ &rp, sizeof(rp));
+}
+
+static void device_flags_changed(struct sock *sk, struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 bdaddr_type,
+ u32 supported_flags, u32 current_flags)
+{
+ struct mgmt_ev_device_flags_changed ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = bdaddr_type;
+ ev.supported_flags = cpu_to_le32(supported_flags);
+ ev.current_flags = cpu_to_le32(current_flags);
+
+ mgmt_event(MGMT_EV_DEVICE_FLAGS_CHANGED, hdev, &ev, sizeof(ev), sk);
+}
+
+static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_device_flags *cp = data;
+ struct bdaddr_list_with_flags *br_params;
+ struct hci_conn_params *params;
+ u8 status = MGMT_STATUS_INVALID_PARAMS;
+ u32 supported_flags;
+ u32 current_flags = __le32_to_cpu(cp->current_flags);
+
+ bt_dev_dbg(hdev, "Set device flags %pMR (type 0x%x) = 0x%x",
+ &cp->addr.bdaddr, cp->addr.type, current_flags);
+
+ // We should take hci_dev_lock() early, I think.. conn_flags can change
+ supported_flags = hdev->conn_flags;
+
+ if ((supported_flags | current_flags) != supported_flags) {
+ bt_dev_warn(hdev, "Bad flag given (0x%x) vs supported (0x%0x)",
+ current_flags, supported_flags);
+ goto done;
+ }
+
+ hci_dev_lock(hdev);
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list,
+ &cp->addr.bdaddr,
+ cp->addr.type);
+
+ if (br_params) {
+ br_params->flags = current_flags;
+ status = MGMT_STATUS_SUCCESS;
+ } else {
+ bt_dev_warn(hdev, "No such BR/EDR device %pMR (0x%x)",
+ &cp->addr.bdaddr, cp->addr.type);
+ }
+
+ goto unlock;
+ }
+
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+ le_addr_type(cp->addr.type));
+ if (!params) {
+ bt_dev_warn(hdev, "No such LE device %pMR (0x%x)",
+ &cp->addr.bdaddr, le_addr_type(cp->addr.type));
+ goto unlock;
+ }
+
+ supported_flags = get_params_flags(hdev, params);
+
+ if ((supported_flags | current_flags) != supported_flags) {
+ bt_dev_warn(hdev, "Bad flag given (0x%x) vs supported (0x%0x)",
+ current_flags, supported_flags);
+ goto unlock;
+ }
+
+ WRITE_ONCE(params->flags, current_flags);
+ status = MGMT_STATUS_SUCCESS;
+
+ /* Update passive scan if HCI_CONN_FLAG_DEVICE_PRIVACY
+ * has been set.
+ */
+ if (params->flags & HCI_CONN_FLAG_DEVICE_PRIVACY)
+ hci_update_passive_scan(hdev);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+done:
+ if (status == MGMT_STATUS_SUCCESS)
+ device_flags_changed(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ supported_flags, current_flags);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_FLAGS, status,
+ &cp->addr, sizeof(cp->addr));
+}
+
+static void mgmt_adv_monitor_added(struct sock *sk, struct hci_dev *hdev,
+ u16 handle)
+{
+ struct mgmt_ev_adv_monitor_added ev;
+
+ ev.monitor_handle = cpu_to_le16(handle);
+
+ mgmt_event(MGMT_EV_ADV_MONITOR_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle)
+{
+ struct mgmt_ev_adv_monitor_removed ev;
+ struct mgmt_pending_cmd *cmd;
+ struct sock *sk_skip = NULL;
+ struct mgmt_cp_remove_adv_monitor *cp;
+
+ cmd = pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev);
+ if (cmd) {
+ cp = cmd->param;
+
+ if (cp->monitor_handle)
+ sk_skip = cmd->sk;
+ }
+
+ ev.monitor_handle = cpu_to_le16(handle);
+
+ mgmt_event(MGMT_EV_ADV_MONITOR_REMOVED, hdev, &ev, sizeof(ev), sk_skip);
+}
+
+static int read_adv_mon_features(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct adv_monitor *monitor = NULL;
+ struct mgmt_rp_read_adv_monitor_features *rp = NULL;
+ int handle, err;
+ size_t rp_size = 0;
+ __u32 supported = 0;
+ __u32 enabled = 0;
+ __u16 num_handles = 0;
+ __u16 handles[HCI_MAX_ADV_MONITOR_NUM_HANDLES];
+
+ BT_DBG("request for %s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (msft_monitor_supported(hdev))
+ supported |= MGMT_ADV_MONITOR_FEATURE_MASK_OR_PATTERNS;
+
+ idr_for_each_entry(&hdev->adv_monitors_idr, monitor, handle)
+ handles[num_handles++] = monitor->handle;
+
+ hci_dev_unlock(hdev);
+
+ rp_size = sizeof(*rp) + (num_handles * sizeof(u16));
+ rp = kmalloc(rp_size, GFP_KERNEL);
+ if (!rp)
+ return -ENOMEM;
+
+ /* All supported features are currently enabled */
+ enabled = supported;
+
+ rp->supported_features = cpu_to_le32(supported);
+ rp->enabled_features = cpu_to_le32(enabled);
+ rp->max_num_handles = cpu_to_le16(HCI_MAX_ADV_MONITOR_NUM_HANDLES);
+ rp->max_num_patterns = HCI_MAX_ADV_MONITOR_NUM_PATTERNS;
+ rp->num_handles = cpu_to_le16(num_handles);
+ if (num_handles)
+ memcpy(&rp->handles, &handles, (num_handles * sizeof(u16)));
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_READ_ADV_MONITOR_FEATURES,
+ MGMT_STATUS_SUCCESS, rp, rp_size);
+
+ kfree(rp);
+
+ return err;
+}
+
+static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
+ void *data, int status)
+{
+ struct mgmt_rp_add_adv_patterns_monitor rp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct adv_monitor *monitor = cmd->user_data;
+
+ hci_dev_lock(hdev);
+
+ rp.monitor_handle = cpu_to_le16(monitor->handle);
+
+ if (!status) {
+ mgmt_adv_monitor_added(cmd->sk, hdev, monitor->handle);
+ hdev->adv_monitors_cnt++;
+ if (monitor->state == ADV_MONITOR_STATE_NOT_REGISTERED)
+ monitor->state = ADV_MONITOR_STATE_REGISTERED;
+ hci_update_passive_scan(hdev);
+ }
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status), &rp, sizeof(rp));
+ mgmt_pending_remove(cmd);
+
+ hci_dev_unlock(hdev);
+ bt_dev_dbg(hdev, "add monitor %d complete, status %d",
+ rp.monitor_handle, status);
+}
+
+static int mgmt_add_adv_patterns_monitor_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct adv_monitor *monitor = cmd->user_data;
+
+ return hci_add_adv_monitor(hdev, monitor);
+}
+
+static int __add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev,
+ struct adv_monitor *m, u8 status,
+ void *data, u16 len, u16 op)
+{
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ hci_dev_lock(hdev);
+
+ if (status)
+ goto unlock;
+
+ if (pending_find(MGMT_OP_SET_LE, hdev) ||
+ pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR, hdev) ||
+ pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, hdev) ||
+ pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev)) {
+ status = MGMT_STATUS_BUSY;
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, op, hdev, data, len);
+ if (!cmd) {
+ status = MGMT_STATUS_NO_RESOURCES;
+ goto unlock;
+ }
+
+ cmd->user_data = m;
+ err = hci_cmd_sync_queue(hdev, mgmt_add_adv_patterns_monitor_sync, cmd,
+ mgmt_add_adv_patterns_monitor_complete);
+ if (err) {
+ if (err == -ENOMEM)
+ status = MGMT_STATUS_NO_RESOURCES;
+ else
+ status = MGMT_STATUS_FAILED;
+
+ goto unlock;
+ }
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+
+unlock:
+ hci_free_adv_monitor(hdev, m);
+ hci_dev_unlock(hdev);
+ return mgmt_cmd_status(sk, hdev->id, op, status);
+}
+
+static void parse_adv_monitor_rssi(struct adv_monitor *m,
+ struct mgmt_adv_rssi_thresholds *rssi)
+{
+ if (rssi) {
+ m->rssi.low_threshold = rssi->low_threshold;
+ m->rssi.low_threshold_timeout =
+ __le16_to_cpu(rssi->low_threshold_timeout);
+ m->rssi.high_threshold = rssi->high_threshold;
+ m->rssi.high_threshold_timeout =
+ __le16_to_cpu(rssi->high_threshold_timeout);
+ m->rssi.sampling_period = rssi->sampling_period;
+ } else {
+ /* Default values. These numbers are the least constricting
+ * parameters for MSFT API to work, so it behaves as if there
+ * are no rssi parameter to consider. May need to be changed
+ * if other API are to be supported.
+ */
+ m->rssi.low_threshold = -127;
+ m->rssi.low_threshold_timeout = 60;
+ m->rssi.high_threshold = -127;
+ m->rssi.high_threshold_timeout = 0;
+ m->rssi.sampling_period = 0;
+ }
+}
+
+static u8 parse_adv_monitor_pattern(struct adv_monitor *m, u8 pattern_count,
+ struct mgmt_adv_pattern *patterns)
+{
+ u8 offset = 0, length = 0;
+ struct adv_pattern *p = NULL;
+ int i;
+
+ for (i = 0; i < pattern_count; i++) {
+ offset = patterns[i].offset;
+ length = patterns[i].length;
+ if (offset >= HCI_MAX_EXT_AD_LENGTH ||
+ length > HCI_MAX_EXT_AD_LENGTH ||
+ (offset + length) > HCI_MAX_EXT_AD_LENGTH)
+ return MGMT_STATUS_INVALID_PARAMS;
+
+ p = kmalloc(sizeof(*p), GFP_KERNEL);
+ if (!p)
+ return MGMT_STATUS_NO_RESOURCES;
+
+ p->ad_type = patterns[i].ad_type;
+ p->offset = patterns[i].offset;
+ p->length = patterns[i].length;
+ memcpy(p->value, patterns[i].value, p->length);
+
+ INIT_LIST_HEAD(&p->list);
+ list_add(&p->list, &m->patterns);
+ }
+
+ return MGMT_STATUS_SUCCESS;
+}
+
+static int add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_add_adv_patterns_monitor *cp = data;
+ struct adv_monitor *m = NULL;
+ u8 status = MGMT_STATUS_SUCCESS;
+ size_t expected_size = sizeof(*cp);
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (len <= sizeof(*cp)) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ expected_size += cp->pattern_count * sizeof(struct mgmt_adv_pattern);
+ if (len != expected_size) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ m = kzalloc(sizeof(*m), GFP_KERNEL);
+ if (!m) {
+ status = MGMT_STATUS_NO_RESOURCES;
+ goto done;
+ }
+
+ INIT_LIST_HEAD(&m->patterns);
+
+ parse_adv_monitor_rssi(m, NULL);
+ status = parse_adv_monitor_pattern(m, cp->pattern_count, cp->patterns);
+
+done:
+ return __add_adv_patterns_monitor(sk, hdev, m, status, data, len,
+ MGMT_OP_ADD_ADV_PATTERNS_MONITOR);
+}
+
+static int add_adv_patterns_monitor_rssi(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_add_adv_patterns_monitor_rssi *cp = data;
+ struct adv_monitor *m = NULL;
+ u8 status = MGMT_STATUS_SUCCESS;
+ size_t expected_size = sizeof(*cp);
+
+ BT_DBG("request for %s", hdev->name);
+
+ if (len <= sizeof(*cp)) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ expected_size += cp->pattern_count * sizeof(struct mgmt_adv_pattern);
+ if (len != expected_size) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ m = kzalloc(sizeof(*m), GFP_KERNEL);
+ if (!m) {
+ status = MGMT_STATUS_NO_RESOURCES;
+ goto done;
+ }
+
+ INIT_LIST_HEAD(&m->patterns);
+
+ parse_adv_monitor_rssi(m, &cp->rssi);
+ status = parse_adv_monitor_pattern(m, cp->pattern_count, cp->patterns);
+
+done:
+ return __add_adv_patterns_monitor(sk, hdev, m, status, data, len,
+ MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI);
+}
+
+static void mgmt_remove_adv_monitor_complete(struct hci_dev *hdev,
+ void *data, int status)
+{
+ struct mgmt_rp_remove_adv_monitor rp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_adv_monitor *cp = cmd->param;
+
+ hci_dev_lock(hdev);
+
+ rp.monitor_handle = cp->monitor_handle;
+
+ if (!status)
+ hci_update_passive_scan(hdev);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(status), &rp, sizeof(rp));
+ mgmt_pending_remove(cmd);
+
+ hci_dev_unlock(hdev);
+ bt_dev_dbg(hdev, "remove monitor %d complete, status %d",
+ rp.monitor_handle, status);
+}
+
+static int mgmt_remove_adv_monitor_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_adv_monitor *cp = cmd->param;
+ u16 handle = __le16_to_cpu(cp->monitor_handle);
+
+ if (!handle)
+ return hci_remove_all_adv_monitor(hdev);
+
+ return hci_remove_single_adv_monitor(hdev, handle);
+}
+
+static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_pending_cmd *cmd;
+ int err, status;
+
+ hci_dev_lock(hdev);
+
+ if (pending_find(MGMT_OP_SET_LE, hdev) ||
+ pending_find(MGMT_OP_REMOVE_ADV_MONITOR, hdev) ||
+ pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR, hdev) ||
+ pending_find(MGMT_OP_ADD_ADV_PATTERNS_MONITOR_RSSI, hdev)) {
+ status = MGMT_STATUS_BUSY;
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADV_MONITOR, hdev, data, len);
+ if (!cmd) {
+ status = MGMT_STATUS_NO_RESOURCES;
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, mgmt_remove_adv_monitor_sync, cmd,
+ mgmt_remove_adv_monitor_complete);
+
+ if (err) {
+ mgmt_pending_remove(cmd);
+
+ if (err == -ENOMEM)
+ status = MGMT_STATUS_NO_RESOURCES;
+ else
+ status = MGMT_STATUS_FAILED;
+
+ goto unlock;
+ }
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+
+unlock:
+ hci_dev_unlock(hdev);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADV_MONITOR,
+ status);
+}
+
+static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_rp_read_local_oob_data mgmt_rp;
+ size_t rp_size = sizeof(mgmt_rp);
+ struct mgmt_pending_cmd *cmd = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
+
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
+
+ bt_dev_dbg(hdev, "status %d", status);
+
+ if (status) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, status);
+ goto remove;
+ }
+
+ memset(&mgmt_rp, 0, sizeof(mgmt_rp));
+
+ if (!bredr_sc_enabled(hdev)) {
+ 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:
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
+ mgmt_pending_free(cmd);
+}
+
+static int read_local_oob_data_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ if (bredr_sc_enabled(hdev))
+ cmd->skb = hci_read_local_oob_data_sync(hdev, true, cmd->sk);
+ else
+ cmd->skb = hci_read_local_oob_data_sync(hdev, false, cmd->sk);
+
+ if (IS_ERR(cmd->skb))
+ return PTR_ERR(cmd->skb);
+ else
+ return 0;
+}
+
+static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_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;
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, read_local_oob_data_sync, cmd,
+ read_local_oob_data_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_addr_info *addr = data;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!bdaddr_type_is_valid(addr->type))
+ return mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ addr, sizeof(*addr));
+
+ hci_dev_lock(hdev);
+
+ if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
+ struct mgmt_cp_add_remote_oob_data *cp = data;
+ u8 status;
+
+ if (cp->addr.type != BDADDR_BREDR) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
+ cp->addr.type, cp->hash,
+ cp->rand, NULL, NULL);
+ if (err < 0)
+ status = MGMT_STATUS_FAILED;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA, status,
+ &cp->addr, sizeof(cp->addr));
+ } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
+ struct mgmt_cp_add_remote_oob_ext_data *cp = data;
+ u8 *rand192, *hash192, *rand256, *hash256;
+ u8 status;
+
+ if (bdaddr_type_is_le(cp->addr.type)) {
+ /* Enforce zero-valued 192-bit parameters as
+ * long as legacy SMP OOB isn't implemented.
+ */
+ if (memcmp(cp->rand192, ZERO_KEY, 16) ||
+ memcmp(cp->hash192, ZERO_KEY, 16)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ addr, sizeof(*addr));
+ goto unlock;
+ }
+
+ rand192 = NULL;
+ hash192 = NULL;
+ } else {
+ /* In case one of the P-192 values is set to zero,
+ * then just disable OOB data for P-192.
+ */
+ if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
+ !memcmp(cp->hash192, ZERO_KEY, 16)) {
+ rand192 = NULL;
+ hash192 = NULL;
+ } else {
+ rand192 = cp->rand192;
+ hash192 = cp->hash192;
+ }
+ }
+
+ /* In case one of the P-256 values is set to zero, then just
+ * disable OOB data for P-256.
+ */
+ if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
+ !memcmp(cp->hash256, ZERO_KEY, 16)) {
+ rand256 = NULL;
+ hash256 = NULL;
+ } else {
+ rand256 = cp->rand256;
+ hash256 = cp->hash256;
+ }
+
+ err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
+ cp->addr.type, hash192, rand192,
+ hash256, rand256);
+ if (err < 0)
+ status = MGMT_STATUS_FAILED;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ status, &cp->addr, sizeof(cp->addr));
+ } else {
+ bt_dev_err(hdev, "add_remote_oob_data: invalid len of %u bytes",
+ len);
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_remove_remote_oob_data *cp = data;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (cp->addr.type != BDADDR_BREDR)
+ return mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+ hci_remote_oob_data_clear(hdev);
+ status = MGMT_STATUS_SUCCESS;
+ goto done;
+ }
+
+ err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
+ if (err < 0)
+ status = MGMT_STATUS_INVALID_PARAMS;
+ else
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ status, &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ bt_dev_dbg(hdev, "status %u", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
+ if (!cmd)
+ cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
+
+ if (!cmd)
+ cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev);
+
+ if (cmd) {
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
+ uint8_t *mgmt_status)
+{
+ switch (type) {
+ case DISCOV_TYPE_LE:
+ *mgmt_status = mgmt_le_support(hdev);
+ if (*mgmt_status)
+ return false;
+ break;
+ case DISCOV_TYPE_INTERLEAVED:
+ *mgmt_status = mgmt_le_support(hdev);
+ if (*mgmt_status)
+ return false;
+ fallthrough;
+ case DISCOV_TYPE_BREDR:
+ *mgmt_status = mgmt_bredr_support(hdev);
+ if (*mgmt_status)
+ return false;
+ break;
+ default:
+ *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
+ return false;
+ }
+
+ return true;
+}
+
+static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ if (cmd != pending_find(MGMT_OP_START_DISCOVERY, hdev) &&
+ cmd != pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev) &&
+ cmd != pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev))
+ return;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_remove(cmd);
+
+ hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED:
+ DISCOVERY_FINDING);
+}
+
+static int start_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_start_discovery_sync(hdev);
+}
+
+static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
+ u16 op, void *data, u16 len)
+{
+ struct mgmt_cp_start_discovery *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, op,
+ MGMT_STATUS_NOT_POWERED,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery.state != DISCOVERY_STOPPED ||
+ hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
+ err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (!discovery_type_is_valid(hdev, cp->type, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id, op, status,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ /* Can't start discovery when it is paused */
+ if (hdev->discovery_paused) {
+ err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ /* Clear the discovery filter first to free any previously
+ * allocated memory for the UUID list.
+ */
+ hci_discovery_filter_clear(hdev);
+
+ hdev->discovery.type = cp->type;
+ hdev->discovery.report_invalid_rssi = false;
+ if (op == MGMT_OP_START_LIMITED_DISCOVERY)
+ hdev->discovery.limited = true;
+ else
+ hdev->discovery.limited = false;
+
+ cmd = mgmt_pending_add(sk, op, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ 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 start_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY,
+ data, len);
+}
+
+static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ return start_discovery_internal(sk, hdev,
+ MGMT_OP_START_LIMITED_DISCOVERY,
+ data, len);
+}
+
+static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_start_service_discovery *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
+ u16 uuid_count, expected_len;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_NOT_POWERED,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery.state != DISCOVERY_STOPPED ||
+ hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_BUSY, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery_paused) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_BUSY, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ uuid_count = __le16_to_cpu(cp->uuid_count);
+ if (uuid_count > max_uuid_count) {
+ bt_dev_err(hdev, "service_discovery: too big uuid_count value %u",
+ uuid_count);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ expected_len = sizeof(*cp) + uuid_count * 16;
+ if (expected_len != len) {
+ bt_dev_err(hdev, "service_discovery: expected %u bytes, got %u bytes",
+ expected_len, len);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ if (!discovery_type_is_valid(hdev, cp->type, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
+ hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ /* 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;
+ }
+ }
+
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ 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;
+}
+
+void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ bt_dev_dbg(hdev, "status %u", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
+ if (cmd) {
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ if (cmd != pending_find(MGMT_OP_STOP_DISCOVERY, hdev))
+ return;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_remove(cmd);
+
+ if (!err)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+}
+
+static int stop_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_stop_discovery_sync(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;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hci_discovery_active(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
+ MGMT_STATUS_REJECTED, &mgmt_cp->type,
+ sizeof(mgmt_cp->type));
+ goto unlock;
+ }
+
+ if (hdev->discovery.type != mgmt_cp->type) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS,
+ &mgmt_cp->type, sizeof(mgmt_cp->type));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, stop_discovery_sync, cmd,
+ stop_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto unlock;
+ }
+
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_confirm_name *cp = data;
+ struct inquiry_entry *e;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (!hci_discovery_active(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
+ MGMT_STATUS_FAILED, &cp->addr,
+ sizeof(cp->addr));
+ goto failed;
+ }
+
+ e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
+ if (!e) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
+ MGMT_STATUS_INVALID_PARAMS, &cp->addr,
+ sizeof(cp->addr));
+ goto failed;
+ }
+
+ if (cp->name_known) {
+ e->name_state = NAME_KNOWN;
+ list_del(&e->list);
+ } else {
+ e->name_state = NAME_NEEDED;
+ hci_inquiry_cache_update_resolve(hdev, e);
+ }
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
+ &cp->addr, sizeof(cp->addr));
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_block_device *cp = data;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ err = hci_bdaddr_list_add(&hdev->reject_list, &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err < 0) {
+ status = MGMT_STATUS_FAILED;
+ goto done;
+ }
+
+ mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+ sk);
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_unblock_device *cp = data;
+ u8 status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ err = hci_bdaddr_list_del(&hdev->reject_list, &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err < 0) {
+ status = MGMT_STATUS_INVALID_PARAMS;
+ goto done;
+ }
+
+ mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+ sk);
+ status = MGMT_STATUS_SUCCESS;
+
+done:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int set_device_id_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_eir_sync(hdev);
+}
+
+static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_set_device_id *cp = data;
+ int err;
+ __u16 source;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ source = __le16_to_cpu(cp->source);
+
+ if (source > 0x0002)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ hdev->devid_source = source;
+ hdev->devid_vendor = __le16_to_cpu(cp->vendor);
+ hdev->devid_product = __le16_to_cpu(cp->product);
+ hdev->devid_version = __le16_to_cpu(cp->version);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
+ NULL, 0);
+
+ hci_cmd_sync_queue(hdev, set_device_id_sync, NULL, NULL);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void enable_advertising_instance(struct hci_dev *hdev, int err)
+{
+ if (err)
+ bt_dev_err(hdev, "failed to re-configure advertising %d", err);
+ else
+ bt_dev_dbg(hdev, "status %d", err);
+}
+
+static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ u8 instance;
+ struct adv_info *adv_instance;
+ u8 status = mgmt_status(err);
+
+ if (status) {
+ mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
+ cmd_status_rsp, &status);
+ return;
+ }
+
+ 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 re-enable multi-instance advertising.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ list_empty(&hdev->adv_instances))
+ return;
+
+ instance = hdev->cur_adv_instance;
+ if (!instance) {
+ adv_instance = list_first_entry_or_null(&hdev->adv_instances,
+ struct adv_info, list);
+ if (!adv_instance)
+ return;
+
+ instance = adv_instance->instance;
+ }
+
+ err = hci_schedule_adv_instance_sync(hdev, instance, true);
+
+ enable_advertising_instance(hdev, err);
+}
+
+static int set_adv_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
+
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+
+ cancel_adv_timeout(hdev);
+
+ if (val) {
+ /* Switch to instance "0" for the Set Advertising setting.
+ * We cannot use update_[adv|scan_rsp]_data() here as the
+ * HCI_ADVERTISING flag is not yet set.
+ */
+ hdev->cur_adv_instance = 0x00;
+
+ if (ext_adv_capable(hdev)) {
+ hci_start_ext_adv_sync(hdev, 0x00);
+ } else {
+ hci_update_adv_data_sync(hdev, 0x00);
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ hci_enable_advertising_sync(hdev);
+ }
+ } else {
+ hci_disable_advertising_sync(hdev);
+ }
+
+ return 0;
+}
+
+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;
+ u8 val, status;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ status = mgmt_le_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ status);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (hdev->advertising_paused)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ MGMT_STATUS_BUSY);
+
+ hci_dev_lock(hdev);
+
+ val = !!cp->val;
+
+ /* The following conditions are ones which mean that we should
+ * not do any HCI communication but directly send a mgmt
+ * response to user space (after toggling the flag if
+ * necessary).
+ */
+ if (!hdev_is_powered(hdev) ||
+ (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
+ (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
+ hci_dev_test_flag(hdev, HCI_MESH) ||
+ hci_conn_num(hdev, LE_LINK) > 0 ||
+ (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
+ hdev->le_scan_type == LE_SCAN_ACTIVE)) {
+ bool changed;
+
+ if (cp->val) {
+ hdev->cur_adv_instance = 0x00;
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
+ pending_find(MGMT_OP_SET_LE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_adv_sync, cmd,
+ set_advertising_complete);
+
+ if (err < 0 && cmd)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_static_address(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_static_address *cp = data;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_REJECTED);
+
+ if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
+ if (!bacmp(&cp->bdaddr, BDADDR_NONE))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Two most significant bits shall be set */
+ if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_STATIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ bacpy(&hdev->static_addr, &cp->bdaddr);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_scan_params *cp = data;
+ __u16 interval, window;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ interval = __le16_to_cpu(cp->interval);
+
+ if (interval < 0x0004 || interval > 0x4000)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ window = __le16_to_cpu(cp->window);
+
+ if (window < 0x0004 || window > 0x4000)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (window > interval)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ hdev->le_scan_interval = interval;
+ hdev->le_scan_window = window;
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
+ NULL, 0);
+
+ /* If background scan is running, restart it so new parameters are
+ * loaded.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
+ hdev->discovery.state == DISCOVERY_STOPPED)
+ hci_update_passive_scan(hdev);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void fast_connectable_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (err) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ mgmt_status(err));
+ } 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_free(cmd);
+}
+
+static int write_fast_connectable_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+
+ return hci_write_fast_connectable_sync(hdev, cp->val);
+}
+
+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;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
+ hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!!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_new(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, data,
+ len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, write_fast_connectable_sync, cmd,
+ fast_connectable_complete);
+
+ if (err < 0) {
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void set_bredr_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+
+ /* 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_free(cmd);
+}
+
+static int set_bredr_sync(struct hci_dev *hdev, void *data)
+{
+ int status;
+
+ status = hci_write_fast_connectable_sync(hdev, false);
+
+ if (!status)
+ status = hci_update_scan_sync(hdev);
+
+ /* Since only the advertising data flags will change, there
+ * is no need to update the scan response data.
+ */
+ if (!status)
+ status = hci_update_adv_data_sync(hdev, hdev->cur_adv_instance);
+
+ return status;
+}
+
+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;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
+ goto unlock;
+ }
+
+ if (!hdev_is_powered(hdev)) {
+ if (!cp->val) {
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
+ hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
+ if (err < 0)
+ goto unlock;
+
+ err = new_settings(hdev, sk);
+ goto unlock;
+ }
+
+ /* Reject disabling when powered on */
+ if (!cp->val) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ } else {
+ /* When configuring a dual-mode controller to operate
+ * with LE only and using a static address, then switching
+ * BR/EDR back on is not allowed.
+ *
+ * Dual-mode controllers shall operate with the public
+ * address as its identity address for BR/EDR and LE. So
+ * reject the attempt to create an invalid configuration.
+ *
+ * The same restrictions applies when secure connections
+ * has been enabled. For BR/EDR this is a controller feature
+ * while for LE it is a host stack feature. This means that
+ * switching BR/EDR back on when secure connections has been
+ * enabled is not a supported transaction.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ (bacmp(&hdev->static_addr, BDADDR_ANY) ||
+ hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_BREDR, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_bredr_sync, cmd,
+ set_bredr_complete);
+
+ if (err < 0) {
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_FAILED);
+ if (cmd)
+ mgmt_pending_free(cmd);
+
+ goto unlock;
+ }
+
+ /* We need to flip the bit already here so that
+ * hci_req_update_adv_data generates the correct flags.
+ */
+ hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void set_secure_conn_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ goto done;
+ }
+
+ 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, cmd->opcode, hdev);
+ new_settings(hdev, cmd->sk);
+
+done:
+ mgmt_pending_free(cmd);
+}
+
+static int set_secure_conn_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
+
+ /* Force write of val */
+ hci_dev_set_flag(hdev, HCI_SC_ENABLED);
+
+ return hci_write_sc_support_sync(hdev, val);
+}
+
+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;
+ u8 val;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_sc_capable(hdev) &&
+ !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ lmp_sc_capable(hdev) &&
+ !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
+ !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ bool changed;
+
+ if (cp->val) {
+ changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_SC_ENABLED);
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_SC_ONLY);
+ else
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_SC_ENABLED);
+ hci_dev_clear_flag(hdev, HCI_SC_ONLY);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
+ if (err < 0)
+ goto failed;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+ goto failed;
+ }
+
+ 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_new(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_secure_conn_sync, cmd,
+ set_secure_conn_complete);
+
+ if (err < 0) {
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_FAILED);
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_mode *cp = data;
+ bool changed, use_changed;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_KEEP_DEBUG_KEYS);
+
+ if (cp->val == 0x02)
+ use_changed = !hci_dev_test_and_set_flag(hdev,
+ HCI_USE_DEBUG_KEYS);
+ else
+ use_changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_USE_DEBUG_KEYS);
+
+ if (hdev_is_powered(hdev) && use_changed &&
+ hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
+ hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+ sizeof(mode), &mode);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
+ u16 len)
+{
+ struct mgmt_cp_set_privacy *cp = cp_data;
+ bool changed;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ if (cp->privacy != 0x00 && cp->privacy != 0x01 && cp->privacy != 0x02)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+
+ /* If user space supports this command it is also expected to
+ * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
+ */
+ hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
+
+ if (cp->privacy) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
+ memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+ hci_adv_instances_set_rpa_expired(hdev, true);
+ if (cp->privacy == 0x02)
+ hci_dev_set_flag(hdev, HCI_LIMITED_PRIVACY);
+ else
+ hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
+ memset(hdev->irk, 0, sizeof(hdev->irk));
+ hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
+ hci_adv_instances_set_rpa_expired(hdev, false);
+ hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
+ }
+
+ err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (changed)
+ err = new_settings(hdev, sk);
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool irk_is_valid(struct mgmt_irk_info *irk)
+{
+ switch (irk->addr.type) {
+ case BDADDR_LE_PUBLIC:
+ return true;
+
+ case BDADDR_LE_RANDOM:
+ /* Two most significant bits shall be set */
+ if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
+ return false;
+ return true;
+ }
+
+ return false;
+}
+
+static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
+ u16 len)
+{
+ struct mgmt_cp_load_irks *cp = cp_data;
+ const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_irk_info));
+ u16 irk_count, expected_len;
+ int i, err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ irk_count = __le16_to_cpu(cp->irk_count);
+ if (irk_count > max_irk_count) {
+ bt_dev_err(hdev, "load_irks: too big irk_count value %u",
+ irk_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = struct_size(cp, irks, irk_count);
+ if (expected_len != len) {
+ bt_dev_err(hdev, "load_irks: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ bt_dev_dbg(hdev, "irk_count %u", irk_count);
+
+ for (i = 0; i < irk_count; i++) {
+ struct mgmt_irk_info *key = &cp->irks[i];
+
+ if (!irk_is_valid(key))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_IRKS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_smp_irks_clear(hdev);
+
+ for (i = 0; i < irk_count; i++) {
+ struct mgmt_irk_info *irk = &cp->irks[i];
+ u8 addr_type = le_addr_type(irk->addr.type);
+
+ if (hci_is_blocked_key(hdev,
+ HCI_BLOCKED_KEY_TYPE_IRK,
+ irk->val)) {
+ bt_dev_warn(hdev, "Skipping blocked IRK for %pMR",
+ &irk->addr.bdaddr);
+ continue;
+ }
+
+ /* When using SMP over BR/EDR, the addr type should be set to BREDR */
+ if (irk->addr.type == BDADDR_BREDR)
+ addr_type = BDADDR_BREDR;
+
+ 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->initiator != 0x00 && key->initiator != 0x01)
+ return false;
+
+ switch (key->addr.type) {
+ case BDADDR_LE_PUBLIC:
+ return true;
+
+ case BDADDR_LE_RANDOM:
+ /* Two most significant bits shall be set */
+ if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
+ return false;
+ return true;
+ }
+
+ return false;
+}
+
+static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
+ void *cp_data, u16 len)
+{
+ struct mgmt_cp_load_long_term_keys *cp = cp_data;
+ const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_ltk_info));
+ u16 key_count, expected_len;
+ int i, err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ key_count = __le16_to_cpu(cp->key_count);
+ if (key_count > max_key_count) {
+ bt_dev_err(hdev, "load_ltks: too big key_count value %u",
+ key_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = struct_size(cp, keys, key_count);
+ if (expected_len != len) {
+ bt_dev_err(hdev, "load_keys: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ bt_dev_dbg(hdev, "key_count %u", key_count);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_ltk_info *key = &cp->keys[i];
+
+ if (!ltk_is_valid(key))
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ hci_dev_lock(hdev);
+
+ hci_smp_ltks_clear(hdev);
+
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_ltk_info *key = &cp->keys[i];
+ u8 type, authenticated;
+ u8 addr_type = le_addr_type(key->addr.type);
+
+ if (hci_is_blocked_key(hdev,
+ HCI_BLOCKED_KEY_TYPE_LTK,
+ key->val)) {
+ bt_dev_warn(hdev, "Skipping blocked LTK for %pMR",
+ &key->addr.bdaddr);
+ continue;
+ }
+
+ switch (key->type) {
+ case MGMT_LTK_UNAUTHENTICATED:
+ authenticated = 0x00;
+ type = key->initiator ? SMP_LTK : SMP_LTK_RESPONDER;
+ break;
+ case MGMT_LTK_AUTHENTICATED:
+ authenticated = 0x01;
+ type = key->initiator ? SMP_LTK : SMP_LTK_RESPONDER;
+ break;
+ case MGMT_LTK_P256_UNAUTH:
+ authenticated = 0x00;
+ type = SMP_LTK_P256;
+ break;
+ case MGMT_LTK_P256_AUTH:
+ authenticated = 0x01;
+ type = SMP_LTK_P256;
+ break;
+ case MGMT_LTK_P256_DEBUG:
+ authenticated = 0x00;
+ type = SMP_LTK_P256_DEBUG;
+ fallthrough;
+ default:
+ continue;
+ }
+
+ /* When using SMP over BR/EDR, the addr type should be set to BREDR */
+ if (key->addr.type == BDADDR_BREDR)
+ addr_type = BDADDR_BREDR;
+
+ 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 void get_conn_info_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct hci_conn *conn = cmd->user_data;
+ struct mgmt_cp_get_conn_info *cp = cmd->param;
+ struct mgmt_rp_get_conn_info rp;
+ u8 status;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
+
+ status = mgmt_status(err);
+ 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;
+ }
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, status,
+ &rp, sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int get_conn_info_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_conn_info *cp = cmd->param;
+ struct hci_conn *conn;
+ int err;
+ __le16 handle;
+
+ /* Make sure we are still connected */
+ 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)
+ return MGMT_STATUS_NOT_CONNECTED;
+
+ cmd->user_data = conn;
+ handle = cpu_to_le16(conn->handle);
+
+ /* Refresh RSSI each time */
+ err = hci_read_rssi_sync(hdev, handle);
+
+ /* For LE links TX power does not change thus we don't need to
+ * query for it once value is known.
+ */
+ if (!err && (!bdaddr_type_is_le(cp->addr.type) ||
+ conn->tx_power == HCI_TX_POWER_INVALID))
+ err = hci_read_tx_power_sync(hdev, handle, 0x00);
+
+ /* Max TX power needs to be read only once per connection */
+ if (!err && conn->max_tx_power == HCI_TX_POWER_INVALID)
+ err = hci_read_tx_power_sync(hdev, handle, 0x01);
+
+ return err;
+}
+
+static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_get_conn_info *cp = data;
+ struct mgmt_rp_get_conn_info rp;
+ struct hci_conn *conn;
+ unsigned long conn_info_age;
+ int err = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_INVALID_PARAMS,
+ &rp, sizeof(rp));
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_NOT_POWERED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
+
+ if (!conn || conn->state != BT_CONNECTED) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_NOT_CONNECTED, &rp,
+ sizeof(rp));
+ goto unlock;
+ }
+
+ /* 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 = get_random_u32_inclusive(hdev->conn_info_min_age,
+ hdev->conn_info_max_age - 1);
+
+ /* 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 mgmt_pending_cmd *cmd;
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_GET_CONN_INFO, hdev, data,
+ len);
+ if (!cmd) {
+ err = -ENOMEM;
+ } else {
+ err = hci_cmd_sync_queue(hdev, get_conn_info_sync,
+ cmd, get_conn_info_complete);
+ }
+
+ if (err < 0) {
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_FAILED, &rp, sizeof(rp));
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+
+ goto unlock;
+ }
+
+ 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 void get_clock_info_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_clock_info *cp = cmd->param;
+ struct mgmt_rp_get_clock_info rp;
+ struct hci_conn *conn = cmd->user_data;
+ u8 status = mgmt_status(err);
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (err)
+ goto complete;
+
+ rp.local_clock = cpu_to_le32(hdev->clock);
+
+ if (conn) {
+ rp.piconet_clock = cpu_to_le32(conn->clock);
+ rp.accuracy = cpu_to_le16(conn->clock_accuracy);
+ }
+
+complete:
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
+ sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int get_clock_info_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_clock_info *cp = cmd->param;
+ struct hci_cp_read_clock hci_cp;
+ struct hci_conn *conn;
+
+ memset(&hci_cp, 0, sizeof(hci_cp));
+ hci_read_clock_sync(hdev, &hci_cp);
+
+ /* Make sure connection still exists */
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
+ if (!conn || conn->state != BT_CONNECTED)
+ return MGMT_STATUS_NOT_CONNECTED;
+
+ cmd->user_data = conn;
+ hci_cp.handle = cpu_to_le16(conn->handle);
+ hci_cp.which = 0x01; /* Piconet clock */
+
+ return hci_read_clock_sync(hdev, &hci_cp);
+}
+
+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 mgmt_pending_cmd *cmd;
+ struct hci_conn *conn;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&rp, 0, sizeof(rp));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
+
+ if (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_new(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, get_clock_info_sync, cmd,
+ get_clock_info_complete);
+
+ if (err < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+ MGMT_STATUS_FAILED, &rp, sizeof(rp));
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
+{
+ struct hci_conn *conn;
+
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
+ if (!conn)
+ return false;
+
+ if (conn->dst_type != type)
+ return false;
+
+ if (conn->state != BT_CONNECTED)
+ return false;
+
+ return true;
+}
+
+/* This function requires the caller holds hdev->lock */
+static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
+ u8 addr_type, u8 auto_connect)
+{
+ struct hci_conn_params *params;
+
+ params = hci_conn_params_add(hdev, addr, addr_type);
+ if (!params)
+ return -EIO;
+
+ if (params->auto_connect == auto_connect)
+ return 0;
+
+ hci_pend_le_list_del_init(params);
+
+ switch (auto_connect) {
+ case HCI_AUTO_CONN_DISABLED:
+ case HCI_AUTO_CONN_LINK_LOSS:
+ /* If auto connect is being disabled when we're trying to
+ * connect to device, keep connecting.
+ */
+ if (params->explicit_connect)
+ hci_pend_le_list_add(params, &hdev->pend_le_conns);
+ break;
+ case HCI_AUTO_CONN_REPORT:
+ if (params->explicit_connect)
+ hci_pend_le_list_add(params, &hdev->pend_le_conns);
+ else
+ hci_pend_le_list_add(params, &hdev->pend_le_reports);
+ break;
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ if (!is_connected(hdev, addr, addr_type))
+ hci_pend_le_list_add(params, &hdev->pend_le_conns);
+ break;
+ }
+
+ params->auto_connect = auto_connect;
+
+ bt_dev_dbg(hdev, "addr %pMR (type %u) auto_connect %u",
+ addr, addr_type, auto_connect);
+
+ return 0;
+}
+
+static void device_added(struct sock *sk, struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type, u8 action)
+{
+ struct mgmt_ev_device_added ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = type;
+ ev.action = action;
+
+ mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+static int add_device_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_passive_scan_sync(hdev);
+}
+
+static int add_device(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_add_device *cp = data;
+ u8 auto_conn, addr_type;
+ struct hci_conn_params *params;
+ int err;
+ u32 current_flags = 0;
+ u32 supported_flags;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!bdaddr_type_is_valid(cp->addr.type) ||
+ !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+
+ hci_dev_lock(hdev);
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ /* Only incoming connections action is supported for now */
+ if (cp->action != 0x01) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ err = hci_bdaddr_list_add_with_flags(&hdev->accept_list,
+ &cp->addr.bdaddr,
+ cp->addr.type, 0);
+ if (err)
+ goto unlock;
+
+ hci_update_scan(hdev);
+
+ goto added;
+ }
+
+ addr_type = le_addr_type(cp->addr.type);
+
+ if (cp->action == 0x02)
+ auto_conn = HCI_AUTO_CONN_ALWAYS;
+ else if (cp->action == 0x01)
+ auto_conn = HCI_AUTO_CONN_DIRECT;
+ else
+ auto_conn = HCI_AUTO_CONN_REPORT;
+
+ /* Kernel internally uses conn_params with resolvable private
+ * address, but Add Device allows only identity addresses.
+ * Make sure it is enforced before calling
+ * hci_conn_params_lookup.
+ */
+ if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ /* If the connection parameters don't exist for this device,
+ * they will be created and configured with defaults.
+ */
+ if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
+ auto_conn) < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_FAILED, &cp->addr,
+ sizeof(cp->addr));
+ goto unlock;
+ } else {
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+ addr_type);
+ if (params)
+ current_flags = params->flags;
+ }
+
+ err = hci_cmd_sync_queue(hdev, add_device_sync, NULL, NULL);
+ if (err < 0)
+ goto unlock;
+
+added:
+ device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
+ supported_flags = hdev->conn_flags;
+ device_flags_changed(NULL, hdev, &cp->addr.bdaddr, cp->addr.type,
+ supported_flags, current_flags);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_SUCCESS, &cp->addr,
+ sizeof(cp->addr));
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void device_removed(struct sock *sk, struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type)
+{
+ struct mgmt_ev_device_removed ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = type;
+
+ mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
+}
+
+static int remove_device_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_passive_scan_sync(hdev);
+}
+
+static int remove_device(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_remove_device *cp = data;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+ struct hci_conn_params *params;
+ u8 addr_type;
+
+ if (!bdaddr_type_is_valid(cp->addr.type)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ if (cp->addr.type == BDADDR_BREDR) {
+ err = hci_bdaddr_list_del(&hdev->accept_list,
+ &cp->addr.bdaddr,
+ cp->addr.type);
+ if (err) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr,
+ sizeof(cp->addr));
+ goto unlock;
+ }
+
+ hci_update_scan(hdev);
+
+ device_removed(sk, hdev, &cp->addr.bdaddr,
+ cp->addr.type);
+ goto complete;
+ }
+
+ addr_type = le_addr_type(cp->addr.type);
+
+ /* Kernel internally uses conn_params with resolvable private
+ * address, but Remove Device allows only identity addresses.
+ * Make sure it is enforced before calling
+ * hci_conn_params_lookup.
+ */
+ if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+ addr_type);
+ if (!params) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
+ params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ hci_conn_params_free(params);
+
+ device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
+ } else {
+ struct hci_conn_params *p, *tmp;
+ struct bdaddr_list *b, *btmp;
+
+ if (cp->addr.type) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
+ goto unlock;
+ }
+
+ list_for_each_entry_safe(b, btmp, &hdev->accept_list, list) {
+ device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
+ list_del(&b->list);
+ kfree(b);
+ }
+
+ hci_update_scan(hdev);
+
+ list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
+ if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
+ continue;
+ device_removed(sk, hdev, &p->addr, p->addr_type);
+ if (p->explicit_connect) {
+ p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
+ continue;
+ }
+ hci_conn_params_free(p);
+ }
+
+ bt_dev_dbg(hdev, "All LE connection parameters were removed");
+ }
+
+ hci_cmd_sync_queue(hdev, remove_device_sync, NULL, NULL);
+
+complete:
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_SUCCESS, &cp->addr,
+ sizeof(cp->addr));
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 len)
+{
+ struct mgmt_cp_load_conn_param *cp = data;
+ const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
+ sizeof(struct mgmt_conn_param));
+ u16 param_count, expected_len;
+ int i;
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ param_count = __le16_to_cpu(cp->param_count);
+ if (param_count > max_param_count) {
+ bt_dev_err(hdev, "load_conn_param: too big param_count value %u",
+ param_count);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ expected_len = struct_size(cp, params, param_count);
+ if (expected_len != len) {
+ bt_dev_err(hdev, "load_conn_param: expected %u bytes, got %u bytes",
+ expected_len, len);
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
+ bt_dev_dbg(hdev, "param_count %u", param_count);
+
+ hci_dev_lock(hdev);
+
+ hci_conn_params_clear_disabled(hdev);
+
+ for (i = 0; i < param_count; i++) {
+ struct mgmt_conn_param *param = &cp->params[i];
+ struct hci_conn_params *hci_param;
+ u16 min, max, latency, timeout;
+ u8 addr_type;
+
+ bt_dev_dbg(hdev, "Adding %pMR (type %u)", &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_dev_err(hdev, "ignoring invalid connection parameters");
+ continue;
+ }
+
+ min = le16_to_cpu(param->min_interval);
+ max = le16_to_cpu(param->max_interval);
+ latency = le16_to_cpu(param->latency);
+ timeout = le16_to_cpu(param->timeout);
+
+ bt_dev_dbg(hdev, "min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
+ min, max, latency, timeout);
+
+ if (hci_check_conn_params(min, max, latency, timeout) < 0) {
+ bt_dev_err(hdev, "ignoring invalid connection parameters");
+ continue;
+ }
+
+ hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
+ addr_type);
+ if (!hci_param) {
+ bt_dev_err(hdev, "failed to add connection parameters");
+ continue;
+ }
+
+ hci_param->conn_min_interval = min;
+ hci_param->conn_max_interval = max;
+ hci_param->conn_latency = latency;
+ hci_param->supervision_timeout = timeout;
+ }
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
+ NULL, 0);
+}
+
+static int set_external_config(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_external_config *cp = data;
+ bool changed;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->config != 0x00 && cp->config != 0x01)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ if (cp->config)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
+
+ err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (!changed)
+ goto unlock;
+
+ err = new_options(hdev, sk);
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
+ mgmt_index_removed(hdev);
+
+ if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
+ hci_dev_set_flag(hdev, HCI_CONFIG);
+ hci_dev_set_flag(hdev, HCI_AUTO_OFF);
+
+ queue_work(hdev->req_workqueue, &hdev->power_on);
+ } else {
+ set_bit(HCI_RAW, &hdev->flags);
+ mgmt_index_added(hdev);
+ }
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static int set_public_address(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_set_public_address *cp = data;
+ bool changed;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (hdev_is_powered(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_REJECTED);
+
+ if (!bacmp(&cp->bdaddr, BDADDR_ANY))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (!hdev->set_bdaddr)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_STATUS_NOT_SUPPORTED);
+
+ hci_dev_lock(hdev);
+
+ changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
+ bacpy(&hdev->public_addr, &cp->bdaddr);
+
+ err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
+ if (err < 0)
+ goto unlock;
+
+ if (!changed)
+ goto unlock;
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
+ err = new_options(hdev, sk);
+
+ if (is_configured(hdev)) {
+ mgmt_index_removed(hdev);
+
+ hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
+
+ hci_dev_set_flag(hdev, HCI_CONFIG);
+ hci_dev_set_flag(hdev, HCI_AUTO_OFF);
+
+ queue_work(hdev->req_workqueue, &hdev->power_on);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
+static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
+ int err)
+{
+ 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 = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
+ u16 eir_len;
+
+ if (cmd != pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev))
+ return;
+
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
+
+ bt_dev_dbg(hdev, "status %u", status);
+
+ mgmt_cp = cmd->param;
+
+ if (status) {
+ status = mgmt_status(status);
+ eir_len = 0;
+
+ h192 = NULL;
+ r192 = NULL;
+ h256 = NULL;
+ r256 = NULL;
+ } else if (!bredr_sc_enabled(hdev)) {
+ 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 (eir_len == 0)
+ 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:
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
+ 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;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
+ cp, sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ err = hci_cmd_sync_queue(hdev, read_local_oob_data_sync, cmd,
+ read_local_oob_ext_data_complete);
+
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ return err;
+ }
+
+ return 0;
+}
+
+static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_read_local_oob_ext_data *cp = data;
+ struct mgmt_rp_read_local_oob_ext_data *rp;
+ size_t rp_len;
+ u16 eir_len;
+ u8 status, flags, role, addr[7], hash[16], rand[16];
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (hdev_is_powered(hdev)) {
+ switch (cp->type) {
+ case BIT(BDADDR_BREDR):
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 5;
+ break;
+ case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
+ status = mgmt_le_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 9 + 3 + 18 + 18 + 3;
+ break;
+ default:
+ status = MGMT_STATUS_INVALID_PARAMS;
+ eir_len = 0;
+ break;
+ }
+ } else {
+ status = MGMT_STATUS_NOT_POWERED;
+ eir_len = 0;
+ }
+
+ rp_len = sizeof(*rp) + eir_len;
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp)
+ return -ENOMEM;
+
+ if (!status && !lmp_ssp_capable(hdev)) {
+ status = MGMT_STATUS_NOT_SUPPORTED;
+ eir_len = 0;
+ }
+
+ if (status)
+ goto complete;
+
+ hci_dev_lock(hdev);
+
+ eir_len = 0;
+ switch (cp->type) {
+ case BIT(BDADDR_BREDR):
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ err = read_local_ssp_oob_req(hdev, sk, cp);
+ hci_dev_unlock(hdev);
+ if (!err)
+ goto done;
+
+ status = MGMT_STATUS_FAILED;
+ goto complete;
+ } else {
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+ }
+ break;
+ case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
+ smp_generate_oob(hdev, hash, rand) < 0) {
+ hci_dev_unlock(hdev);
+ status = MGMT_STATUS_FAILED;
+ goto complete;
+ }
+
+ /* This should return the active RPA, but since the RPA
+ * is only programmed on demand, it is really hard to fill
+ * this in at the moment. For now disallow retrieving
+ * local out-of-band data when privacy is in use.
+ *
+ * Returning the identity address will not help here since
+ * pairing happens before the identity resolving key is
+ * known and thus the connection establishment happens
+ * based on the RPA and not the identity address.
+ */
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
+ hci_dev_unlock(hdev);
+ status = MGMT_STATUS_REJECTED;
+ goto complete;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
+ (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ memcpy(addr, &hdev->static_addr, 6);
+ addr[6] = 0x01;
+ } else {
+ memcpy(addr, &hdev->bdaddr, 6);
+ addr[6] = 0x00;
+ }
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
+ addr, sizeof(addr));
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ role = 0x02;
+ else
+ role = 0x01;
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
+ &role, sizeof(role));
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_LE_SC_CONFIRM,
+ hash, sizeof(hash));
+
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_LE_SC_RANDOM,
+ rand, sizeof(rand));
+ }
+
+ flags = mgmt_get_adv_discov_flags(hdev);
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ flags |= LE_AD_NO_BREDR;
+
+ eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
+ &flags, sizeof(flags));
+ break;
+ }
+
+ hci_dev_unlock(hdev);
+
+ hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
+
+ status = MGMT_STATUS_SUCCESS;
+
+complete:
+ rp->type = cp->type;
+ rp->eir_len = cpu_to_le16(eir_len);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
+ status, rp, sizeof(*rp) + eir_len);
+ if (err < 0 || status)
+ goto done;
+
+ err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
+ rp, sizeof(*rp) + eir_len,
+ HCI_MGMT_OOB_DATA_EVENTS, sk);
+
+done:
+ kfree(rp);
+
+ return err;
+}
+
+static u32 get_supported_adv_flags(struct hci_dev *hdev)
+{
+ u32 flags = 0;
+
+ flags |= MGMT_ADV_FLAG_CONNECTABLE;
+ flags |= MGMT_ADV_FLAG_DISCOV;
+ flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
+ flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
+ flags |= MGMT_ADV_FLAG_APPEARANCE;
+ flags |= MGMT_ADV_FLAG_LOCAL_NAME;
+ flags |= MGMT_ADV_PARAM_DURATION;
+ flags |= MGMT_ADV_PARAM_TIMEOUT;
+ flags |= MGMT_ADV_PARAM_INTERVALS;
+ flags |= MGMT_ADV_PARAM_TX_POWER;
+ flags |= MGMT_ADV_PARAM_SCAN_RSP;
+
+ /* In extended adv TX_POWER returned from Set Adv Param
+ * will be always valid.
+ */
+ if (hdev->adv_tx_power != HCI_TX_POWER_INVALID || ext_adv_capable(hdev))
+ flags |= MGMT_ADV_FLAG_TX_POWER;
+
+ if (ext_adv_capable(hdev)) {
+ flags |= MGMT_ADV_FLAG_SEC_1M;
+ flags |= MGMT_ADV_FLAG_HW_OFFLOAD;
+ flags |= MGMT_ADV_FLAG_CAN_SET_TX_POWER;
+
+ if (le_2m_capable(hdev))
+ flags |= MGMT_ADV_FLAG_SEC_2M;
+
+ if (le_coded_capable(hdev))
+ flags |= MGMT_ADV_FLAG_SEC_CODED;
+ }
+
+ return flags;
+}
+
+static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_adv_features *rp;
+ size_t rp_len;
+ int err;
+ struct adv_info *adv_instance;
+ u32 supported_flags;
+ u8 *instance;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
+ MGMT_STATUS_REJECTED);
+
+ hci_dev_lock(hdev);
+
+ rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
+ rp = kmalloc(rp_len, GFP_ATOMIC);
+ if (!rp) {
+ hci_dev_unlock(hdev);
+ return -ENOMEM;
+ }
+
+ supported_flags = get_supported_adv_flags(hdev);
+
+ rp->supported_flags = cpu_to_le32(supported_flags);
+ rp->max_adv_data_len = max_adv_len(hdev);
+ rp->max_scan_rsp_len = max_adv_len(hdev);
+ rp->max_instances = hdev->le_num_of_adv_sets;
+ rp->num_instances = hdev->adv_instance_cnt;
+
+ instance = rp->instance;
+ list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
+ /* Only instances 1-le_num_of_adv_sets are externally visible */
+ if (adv_instance->instance <= hdev->adv_instance_cnt) {
+ *instance = adv_instance->instance;
+ instance++;
+ } else {
+ rp->num_instances--;
+ rp_len--;
+ }
+ }
+
+ hci_dev_unlock(hdev);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
+ MGMT_STATUS_SUCCESS, rp, rp_len);
+
+ kfree(rp);
+
+ return err;
+}
+
+static u8 calculate_name_len(struct hci_dev *hdev)
+{
+ u8 buf[HCI_MAX_SHORT_NAME_LENGTH + 3];
+
+ return eir_append_local_name(hdev, buf, 0);
+}
+
+static u8 tlv_data_max_len(struct hci_dev *hdev, u32 adv_flags,
+ bool is_adv_data)
+{
+ u8 max_len = max_adv_len(hdev);
+
+ if (is_adv_data) {
+ if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
+ MGMT_ADV_FLAG_LIMITED_DISCOV |
+ MGMT_ADV_FLAG_MANAGED_FLAGS))
+ max_len -= 3;
+
+ if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
+ max_len -= 3;
+ } else {
+ if (adv_flags & MGMT_ADV_FLAG_LOCAL_NAME)
+ max_len -= calculate_name_len(hdev);
+
+ if (adv_flags & (MGMT_ADV_FLAG_APPEARANCE))
+ max_len -= 4;
+ }
+
+ return max_len;
+}
+
+static bool flags_managed(u32 adv_flags)
+{
+ return adv_flags & (MGMT_ADV_FLAG_DISCOV |
+ MGMT_ADV_FLAG_LIMITED_DISCOV |
+ MGMT_ADV_FLAG_MANAGED_FLAGS);
+}
+
+static bool tx_power_managed(u32 adv_flags)
+{
+ return adv_flags & MGMT_ADV_FLAG_TX_POWER;
+}
+
+static bool name_managed(u32 adv_flags)
+{
+ return adv_flags & MGMT_ADV_FLAG_LOCAL_NAME;
+}
+
+static bool appearance_managed(u32 adv_flags)
+{
+ return adv_flags & MGMT_ADV_FLAG_APPEARANCE;
+}
+
+static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
+ u8 len, bool is_adv_data)
+{
+ int i, cur_len;
+ u8 max_len;
+
+ max_len = tlv_data_max_len(hdev, adv_flags, is_adv_data);
+
+ if (len > max_len)
+ return false;
+
+ /* Make sure that the data is correctly formatted. */
+ for (i = 0; i < len; i += (cur_len + 1)) {
+ cur_len = data[i];
+
+ if (!cur_len)
+ continue;
+
+ if (data[i + 1] == EIR_FLAGS &&
+ (!is_adv_data || flags_managed(adv_flags)))
+ return false;
+
+ if (data[i + 1] == EIR_TX_POWER && tx_power_managed(adv_flags))
+ return false;
+
+ if (data[i + 1] == EIR_NAME_COMPLETE && name_managed(adv_flags))
+ return false;
+
+ if (data[i + 1] == EIR_NAME_SHORT && name_managed(adv_flags))
+ return false;
+
+ if (data[i + 1] == EIR_APPEARANCE &&
+ appearance_managed(adv_flags))
+ return false;
+
+ /* If the current field length would exceed the total data
+ * length, then it's invalid.
+ */
+ if (i + cur_len >= len)
+ return false;
+ }
+
+ return true;
+}
+
+static bool requested_adv_flags_are_valid(struct hci_dev *hdev, u32 adv_flags)
+{
+ u32 supported_flags, phy_flags;
+
+ /* The current implementation only supports a subset of the specified
+ * flags. Also need to check mutual exclusiveness of sec flags.
+ */
+ supported_flags = get_supported_adv_flags(hdev);
+ phy_flags = adv_flags & MGMT_ADV_FLAG_SEC_MASK;
+ if (adv_flags & ~supported_flags ||
+ ((phy_flags && (phy_flags ^ (phy_flags & -phy_flags)))))
+ return false;
+
+ return true;
+}
+
+static bool adv_busy(struct hci_dev *hdev)
+{
+ return pending_find(MGMT_OP_SET_LE, hdev);
+}
+
+static void add_adv_complete(struct hci_dev *hdev, struct sock *sk, u8 instance,
+ int err)
+{
+ struct adv_info *adv, *n;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ hci_dev_lock(hdev);
+
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance;
+
+ if (!adv->pending)
+ continue;
+
+ if (!err) {
+ adv->pending = false;
+ continue;
+ }
+
+ instance = adv->instance;
+
+ if (hdev->cur_adv_instance == instance)
+ cancel_adv_timeout(hdev);
+
+ hci_remove_adv_instance(hdev, instance);
+ mgmt_advertising_removed(sk, hdev, instance);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void add_advertising_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.instance = cp->instance;
+
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), &rp, sizeof(rp));
+
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
+
+ mgmt_pending_free(cmd);
+}
+
+static int add_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
+}
+
+static int add_advertising(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_add_advertising *cp = data;
+ struct mgmt_rp_add_advertising rp;
+ u32 flags;
+ u8 status;
+ u16 timeout, duration;
+ unsigned int prev_instance_cnt;
+ u8 schedule_instance = 0;
+ struct adv_info *adv, *next_instance;
+ int err;
+ struct mgmt_pending_cmd *cmd;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ status = mgmt_le_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ status);
+
+ if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ flags = __le32_to_cpu(cp->flags);
+ timeout = __le16_to_cpu(cp->timeout);
+ duration = __le16_to_cpu(cp->duration);
+
+ if (!requested_adv_flags_are_valid(hdev, flags))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ if (timeout && !hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ if (adv_busy(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
+ !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
+ cp->scan_rsp_len, false)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ prev_instance_cnt = hdev->adv_instance_cnt;
+
+ adv = hci_add_adv_instance(hdev, cp->instance, flags,
+ cp->adv_data_len, cp->data,
+ cp->scan_rsp_len,
+ cp->data + cp->adv_data_len,
+ timeout, duration,
+ HCI_ADV_TX_POWER_NO_PREFERENCE,
+ hdev->le_adv_min_interval,
+ hdev->le_adv_max_interval, 0);
+ if (IS_ERR(adv)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_FAILED);
+ goto unlock;
+ }
+
+ /* Only trigger an advertising added event if a new instance was
+ * actually added.
+ */
+ if (hdev->adv_instance_cnt > prev_instance_cnt)
+ mgmt_advertising_added(sk, hdev, cp->instance);
+
+ if (hdev->cur_adv_instance == cp->instance) {
+ /* If the currently advertised instance is being changed then
+ * cancel the current advertising and schedule the next
+ * instance. If there is only one instance then the overridden
+ * advertising data will be visible right away.
+ */
+ cancel_adv_timeout(hdev);
+
+ next_instance = hci_get_next_instance(hdev, cp->instance);
+ if (next_instance)
+ schedule_instance = next_instance->instance;
+ } else if (!hdev->adv_instance_timeout) {
+ /* Immediately advertise the new instance if no other
+ * instance is currently being advertised.
+ */
+ schedule_instance = cp->instance;
+ }
+
+ /* If the HCI_ADVERTISING flag is set or the device isn't powered or
+ * there is no instance to be advertised then we have no HCI
+ * communication to make. Simply return.
+ */
+ if (!hdev_is_powered(hdev) ||
+ hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ !schedule_instance) {
+ rp.instance = cp->instance;
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ /* We're good to go, update advertising data, parameters, and start
+ * advertising.
+ */
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
+ data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ cp->instance = schedule_instance;
+
+ err = hci_cmd_sync_queue(hdev, add_advertising_sync, cmd,
+ add_advertising_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void add_ext_adv_params_complete(struct hci_dev *hdev, void *data,
+ int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
+ struct mgmt_rp_add_ext_adv_params rp;
+ struct adv_info *adv;
+ u32 flags;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ adv = hci_find_adv_instance(hdev, cp->instance);
+ if (!adv)
+ goto unlock;
+
+ rp.instance = cp->instance;
+ rp.tx_power = adv->tx_power;
+
+ /* While we're at it, inform userspace of the available space for this
+ * advertisement, given the flags that will be used.
+ */
+ flags = __le32_to_cpu(cp->flags);
+ rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true);
+ rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false);
+
+ if (err) {
+ /* If this advertisement was previously advertising and we
+ * failed to update it, we signal that it has been removed and
+ * delete its structure
+ */
+ if (!adv->pending)
+ mgmt_advertising_removed(cmd->sk, hdev, cp->instance);
+
+ hci_remove_adv_instance(hdev, cp->instance);
+
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ } else {
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), &rp, sizeof(rp));
+ }
+
+unlock:
+ if (cmd)
+ mgmt_pending_free(cmd);
+
+ hci_dev_unlock(hdev);
+}
+
+static int add_ext_adv_params_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
+
+ return hci_setup_ext_adv_instance_sync(hdev, cp->instance);
+}
+
+static int add_ext_adv_params(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_add_ext_adv_params *cp = data;
+ struct mgmt_rp_add_ext_adv_params rp;
+ struct mgmt_pending_cmd *cmd = NULL;
+ struct adv_info *adv;
+ u32 flags, min_interval, max_interval;
+ u16 timeout, duration;
+ u8 status;
+ s8 tx_power;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ status = mgmt_le_support(hdev);
+ if (status)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ status);
+
+ if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* The purpose of breaking add_advertising into two separate MGMT calls
+ * for params and data is to allow more parameters to be added to this
+ * structure in the future. For this reason, we verify that we have the
+ * bare minimum structure we know of when the interface was defined. Any
+ * extra parameters we don't know about will be ignored in this request.
+ */
+ if (data_len < MGMT_ADD_EXT_ADV_PARAMS_MIN_SIZE)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ flags = __le32_to_cpu(cp->flags);
+
+ if (!requested_adv_flags_are_valid(hdev, flags))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+
+ /* In new interface, we require that we are powered to register */
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_REJECTED);
+ goto unlock;
+ }
+
+ if (adv_busy(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ /* Parse defined parameters from request, use defaults otherwise */
+ timeout = (flags & MGMT_ADV_PARAM_TIMEOUT) ?
+ __le16_to_cpu(cp->timeout) : 0;
+
+ duration = (flags & MGMT_ADV_PARAM_DURATION) ?
+ __le16_to_cpu(cp->duration) :
+ hdev->def_multi_adv_rotation_duration;
+
+ min_interval = (flags & MGMT_ADV_PARAM_INTERVALS) ?
+ __le32_to_cpu(cp->min_interval) :
+ hdev->le_adv_min_interval;
+
+ max_interval = (flags & MGMT_ADV_PARAM_INTERVALS) ?
+ __le32_to_cpu(cp->max_interval) :
+ hdev->le_adv_max_interval;
+
+ tx_power = (flags & MGMT_ADV_PARAM_TX_POWER) ?
+ cp->tx_power :
+ HCI_ADV_TX_POWER_NO_PREFERENCE;
+
+ /* Create advertising instance with no advertising or response data */
+ adv = hci_add_adv_instance(hdev, cp->instance, flags, 0, NULL, 0, NULL,
+ timeout, duration, tx_power, min_interval,
+ max_interval, 0);
+
+ if (IS_ERR(adv)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_FAILED);
+ goto unlock;
+ }
+
+ /* Submit request for advertising params if ext adv available */
+ if (ext_adv_capable(hdev)) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_PARAMS, hdev,
+ data, data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ hci_remove_adv_instance(hdev, cp->instance);
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_params_sync, cmd,
+ add_ext_adv_params_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+ } else {
+ rp.instance = cp->instance;
+ rp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE;
+ rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true);
+ rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_EXT_ADV_PARAMS,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void add_ext_adv_data_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.instance = cp->instance;
+
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), &rp, sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int add_ext_adv_data_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ int err;
+
+ if (ext_adv_capable(hdev)) {
+ err = hci_update_adv_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ err = hci_update_scan_rsp_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ return hci_enable_ext_advertising_sync(hdev, cp->instance);
+ }
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
+}
+
+static int add_ext_adv_data(struct sock *sk, struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct mgmt_cp_add_ext_adv_data *cp = data;
+ struct mgmt_rp_add_ext_adv_data rp;
+ u8 schedule_instance = 0;
+ struct adv_info *next_instance;
+ struct adv_info *adv_instance;
+ int err = 0;
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ adv_instance = hci_find_adv_instance(hdev, cp->instance);
+
+ if (!adv_instance) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ /* In new interface, we require that we are powered to register */
+ if (!hdev_is_powered(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_REJECTED);
+ goto clear_new_instance;
+ }
+
+ if (adv_busy(hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_BUSY);
+ goto clear_new_instance;
+ }
+
+ /* Validate new data */
+ if (!tlv_data_is_valid(hdev, adv_instance->flags, cp->data,
+ cp->adv_data_len, true) ||
+ !tlv_data_is_valid(hdev, adv_instance->flags, cp->data +
+ cp->adv_data_len, cp->scan_rsp_len, false)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto clear_new_instance;
+ }
+
+ /* Set the data in the advertising instance */
+ hci_set_adv_instance_data(hdev, cp->instance, cp->adv_data_len,
+ cp->data, cp->scan_rsp_len,
+ cp->data + cp->adv_data_len);
+
+ /* If using software rotation, determine next instance to use */
+ if (hdev->cur_adv_instance == cp->instance) {
+ /* If the currently advertised instance is being changed
+ * then cancel the current advertising and schedule the
+ * next instance. If there is only one instance then the
+ * overridden advertising data will be visible right
+ * away
+ */
+ cancel_adv_timeout(hdev);
+
+ next_instance = hci_get_next_instance(hdev, cp->instance);
+ if (next_instance)
+ schedule_instance = next_instance->instance;
+ } else if (!hdev->adv_instance_timeout) {
+ /* Immediately advertise the new instance if no other
+ * instance is currently being advertised.
+ */
+ schedule_instance = cp->instance;
+ }
+
+ /* If the HCI_ADVERTISING flag is set or there is no instance to
+ * be advertised then we have no HCI communication to make.
+ * Simply return.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || !schedule_instance) {
+ if (adv_instance->pending) {
+ mgmt_advertising_added(sk, hdev, cp->instance);
+ adv_instance->pending = false;
+ }
+ rp.instance = cp->instance;
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data,
+ data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto clear_new_instance;
+ }
+
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_data_sync, cmd,
+ add_ext_adv_data_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto clear_new_instance;
+ }
+
+ /* We were successful in updating data, so trigger advertising_added
+ * event if this is an instance that wasn't previously advertising. If
+ * a failure occurs in the requests we initiated, we will remove the
+ * instance again in add_advertising_complete
+ */
+ if (adv_instance->pending)
+ mgmt_advertising_added(sk, hdev, cp->instance);
+
+ goto unlock;
+
+clear_new_instance:
+ hci_remove_adv_instance(hdev, cp->instance);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static void remove_advertising_complete(struct hci_dev *hdev, void *data,
+ int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
+ struct mgmt_rp_remove_advertising rp;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.instance = cp->instance;
+
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int remove_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
+ int err;
+
+ err = hci_remove_advertising_sync(hdev, cmd->sk, cp->instance, true);
+ if (err)
+ return err;
+
+ if (list_empty(&hdev->adv_instances))
+ err = hci_disable_advertising_sync(hdev);
+
+ return err;
+}
+
+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_pending_cmd *cmd;
+ int err;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ hci_dev_lock(hdev);
+
+ if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ if (pending_find(MGMT_OP_SET_LE, hdev)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
+
+ if (list_empty(&hdev->adv_instances)) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_new(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
+ data_len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = hci_cmd_sync_queue(hdev, remove_advertising_sync, cmd,
+ remove_advertising_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_get_adv_size_info *cp = data;
+ struct mgmt_rp_get_adv_size_info rp;
+ u32 flags, supported_flags;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ flags = __le32_to_cpu(cp->flags);
+
+ /* The current implementation only supports a subset of the specified
+ * flags.
+ */
+ supported_flags = get_supported_adv_flags(hdev);
+ if (flags & ~supported_flags)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ rp.instance = cp->instance;
+ rp.flags = cp->flags;
+ rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true);
+ rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+}
+
+static const struct hci_mgmt_handler mgmt_handlers[] = {
+ { NULL }, /* 0x0000 (no command) */
+ { read_version, MGMT_READ_VERSION_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_commands, MGMT_READ_COMMANDS_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_controller_info, MGMT_READ_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { set_powered, MGMT_SETTING_SIZE },
+ { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
+ { set_connectable, MGMT_SETTING_SIZE },
+ { set_fast_connectable, MGMT_SETTING_SIZE },
+ { set_bondable, MGMT_SETTING_SIZE },
+ { set_link_security, MGMT_SETTING_SIZE },
+ { set_ssp, MGMT_SETTING_SIZE },
+ { set_hs, MGMT_SETTING_SIZE },
+ { set_le, MGMT_SETTING_SIZE },
+ { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
+ { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
+ { add_uuid, MGMT_ADD_UUID_SIZE },
+ { remove_uuid, MGMT_REMOVE_UUID_SIZE },
+ { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { disconnect, MGMT_DISCONNECT_SIZE },
+ { get_connections, MGMT_GET_CONNECTIONS_SIZE },
+ { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
+ { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
+ { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
+ { pair_device, MGMT_PAIR_DEVICE_SIZE },
+ { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
+ { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
+ { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
+ { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
+ { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
+ { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
+ { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
+ { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
+ { start_discovery, MGMT_START_DISCOVERY_SIZE },
+ { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
+ { confirm_name, MGMT_CONFIRM_NAME_SIZE },
+ { block_device, MGMT_BLOCK_DEVICE_SIZE },
+ { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
+ { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
+ { set_advertising, MGMT_SETTING_SIZE },
+ { set_bredr, MGMT_SETTING_SIZE },
+ { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
+ { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
+ { set_secure_conn, MGMT_SETTING_SIZE },
+ { set_debug_keys, MGMT_SETTING_SIZE },
+ { set_privacy, MGMT_SET_PRIVACY_SIZE },
+ { load_irks, MGMT_LOAD_IRKS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
+ { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
+ { add_device, MGMT_ADD_DEVICE_SIZE },
+ { remove_device, MGMT_REMOVE_DEVICE_SIZE },
+ { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
+ HCI_MGMT_UNCONFIGURED |
+ HCI_MGMT_UNTRUSTED },
+ { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
+ HCI_MGMT_UNCONFIGURED },
+ { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
+ HCI_MGMT_UNCONFIGURED },
+ { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
+ { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
+ HCI_MGMT_NO_HDEV |
+ HCI_MGMT_UNTRUSTED },
+ { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
+ { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
+ { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
+ { start_limited_discovery, MGMT_START_DISCOVERY_SIZE },
+ { read_ext_controller_info,MGMT_READ_EXT_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { set_appearance, MGMT_SET_APPEARANCE_SIZE },
+ { get_phy_configuration, MGMT_GET_PHY_CONFIGURATION_SIZE },
+ { set_phy_configuration, MGMT_SET_PHY_CONFIGURATION_SIZE },
+ { set_blocked_keys, MGMT_OP_SET_BLOCKED_KEYS_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { set_wideband_speech, MGMT_SETTING_SIZE },
+ { read_controller_cap, MGMT_READ_CONTROLLER_CAP_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { read_exp_features_info, MGMT_READ_EXP_FEATURES_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED |
+ HCI_MGMT_HDEV_OPTIONAL },
+ { set_exp_feature, MGMT_SET_EXP_FEATURE_SIZE,
+ HCI_MGMT_VAR_LEN |
+ HCI_MGMT_HDEV_OPTIONAL },
+ { read_def_system_config, MGMT_READ_DEF_SYSTEM_CONFIG_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { set_def_system_config, MGMT_SET_DEF_SYSTEM_CONFIG_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { read_def_runtime_config, MGMT_READ_DEF_RUNTIME_CONFIG_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { set_def_runtime_config, MGMT_SET_DEF_RUNTIME_CONFIG_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { get_device_flags, MGMT_GET_DEVICE_FLAGS_SIZE },
+ { set_device_flags, MGMT_SET_DEVICE_FLAGS_SIZE },
+ { read_adv_mon_features, MGMT_READ_ADV_MONITOR_FEATURES_SIZE },
+ { add_adv_patterns_monitor,MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { remove_adv_monitor, MGMT_REMOVE_ADV_MONITOR_SIZE },
+ { add_ext_adv_params, MGMT_ADD_EXT_ADV_PARAMS_MIN_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { add_ext_adv_data, MGMT_ADD_EXT_ADV_DATA_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { add_adv_patterns_monitor_rssi,
+ MGMT_ADD_ADV_PATTERNS_MONITOR_RSSI_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { set_mesh, MGMT_SET_MESH_RECEIVER_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { mesh_features, MGMT_MESH_READ_FEATURES_SIZE },
+ { mesh_send, MGMT_MESH_SEND_SIZE,
+ HCI_MGMT_VAR_LEN },
+ { mesh_send_cancel, MGMT_MESH_SEND_CANCEL_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_PRIMARY:
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
+ NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
+ }
+ break;
+ case HCI_AMP:
+ ev.type = 0x02;
+ break;
+ default:
+ return;
+ }
+
+ ev.bus = hdev->bus;
+
+ mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_EXT_INDEX_EVENTS);
+}
+
+void mgmt_index_removed(struct hci_dev *hdev)
+{
+ struct mgmt_ev_ext_index ev;
+ u8 status = MGMT_STATUS_INVALID_INDEX;
+
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+ return;
+
+ switch (hdev->dev_type) {
+ case HCI_PRIMARY:
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
+ NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
+ }
+ break;
+ case HCI_AMP:
+ ev.type = 0x02;
+ break;
+ default:
+ return;
+ }
+
+ ev.bus = hdev->bus;
+
+ mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_EXT_INDEX_EVENTS);
+
+ /* Cancel any remaining timed work */
+ if (!hci_dev_test_flag(hdev, HCI_MGMT))
+ return;
+ cancel_delayed_work_sync(&hdev->discov_off);
+ cancel_delayed_work_sync(&hdev->service_cache);
+ cancel_delayed_work_sync(&hdev->rpa_expired);
+}
+
+void mgmt_power_on(struct hci_dev *hdev, int err)
+{
+ struct cmd_lookup match = { NULL, hdev };
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ hci_dev_lock(hdev);
+
+ if (!err) {
+ restart_le_actions(hdev);
+ hci_update_passive_scan(hdev);
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
+
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+
+ hci_dev_unlock(hdev);
+}
+
+void __mgmt_power_off(struct hci_dev *hdev)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ u8 status, zero_cod[] = { 0, 0, 0 };
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
+
+ /* If the power off is because of hdev unregistration let
+ * use the appropriate INVALID_INDEX status. Otherwise use
+ * NOT_POWERED. We cover both scenarios here since later in
+ * mgmt_index_removed() any hci_conn callbacks will have already
+ * been triggered, potentially causing misleading DISCONNECTED
+ * status responses.
+ */
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ status = MGMT_STATUS_INVALID_INDEX;
+ else
+ status = MGMT_STATUS_NOT_POWERED;
+
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+
+ if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) {
+ mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
+ zero_cod, sizeof(zero_cod),
+ HCI_MGMT_DEV_CLASS_EVENTS, NULL);
+ ext_info_changed(hdev, NULL);
+ }
+
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
+{
+ struct mgmt_pending_cmd *cmd;
+ u8 status;
+
+ cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
+ if (!cmd)
+ return;
+
+ if (err == -ERFKILL)
+ status = MGMT_STATUS_RFKILLED;
+ else
+ status = MGMT_STATUS_FAILED;
+
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
+
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
+ bool persistent)
+{
+ struct mgmt_ev_new_link_key ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ ev.store_hint = persistent;
+ bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
+ ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type);
+ ev.key.type = key->type;
+ memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
+ ev.key.pin_len = key->pin_len;
+
+ mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
+}
+
+static u8 mgmt_ltk_type(struct smp_ltk *ltk)
+{
+ switch (ltk->type) {
+ case SMP_LTK:
+ case SMP_LTK_RESPONDER:
+ if (ltk->authenticated)
+ return MGMT_LTK_AUTHENTICATED;
+ return MGMT_LTK_UNAUTHENTICATED;
+ case SMP_LTK_P256:
+ if (ltk->authenticated)
+ return MGMT_LTK_P256_AUTH;
+ return MGMT_LTK_P256_UNAUTH;
+ case SMP_LTK_P256_DEBUG:
+ return MGMT_LTK_P256_DEBUG;
+ }
+
+ return MGMT_LTK_UNAUTHENTICATED;
+}
+
+void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
+{
+ struct mgmt_ev_new_long_term_key ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* Devices using resolvable or non-resolvable random addresses
+ * without providing an identity resolving key don't require
+ * to store long term keys. Their addresses will change the
+ * next time around.
+ *
+ * Only when a remote device provides an identity address
+ * make sure the long term key is stored. If the remote
+ * identity is known, the long term keys are internally
+ * mapped to the identity address. So allow static random
+ * and public addresses here.
+ */
+ if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
+ (key->bdaddr.b[5] & 0xc0) != 0xc0)
+ ev.store_hint = 0x00;
+ else
+ ev.store_hint = persistent;
+
+ bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
+ ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type);
+ ev.key.type = mgmt_ltk_type(key);
+ ev.key.enc_size = key->enc_size;
+ ev.key.ediv = key->ediv;
+ ev.key.rand = key->rand;
+
+ if (key->type == SMP_LTK)
+ ev.key.initiator = 1;
+
+ /* Make sure we copy only the significant bytes based on the
+ * encryption key size, and set the rest of the value to zeroes.
+ */
+ memcpy(ev.key.val, key->val, key->enc_size);
+ memset(ev.key.val + key->enc_size, 0,
+ sizeof(ev.key.val) - key->enc_size);
+
+ mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
+{
+ struct mgmt_ev_new_irk ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ ev.store_hint = persistent;
+
+ bacpy(&ev.rpa, &irk->rpa);
+ bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
+ ev.irk.addr.type = link_to_bdaddr(irk->link_type, irk->addr_type);
+ memcpy(ev.irk.val, irk->val, sizeof(irk->val));
+
+ mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
+ bool persistent)
+{
+ struct mgmt_ev_new_csrk ev;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* Devices using resolvable or non-resolvable random addresses
+ * without providing an identity resolving key don't require
+ * to store signature resolving keys. Their addresses will change
+ * the next time around.
+ *
+ * Only when a remote device provides an identity address
+ * make sure the signature resolving key is stored. So allow
+ * static random and public addresses here.
+ */
+ if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
+ (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
+ ev.store_hint = 0x00;
+ else
+ ev.store_hint = persistent;
+
+ bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
+ ev.key.addr.type = link_to_bdaddr(csrk->link_type, csrk->bdaddr_type);
+ ev.key.type = csrk->type;
+ memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
+
+ mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 bdaddr_type, u8 store_hint, u16 min_interval,
+ u16 max_interval, u16 latency, u16 timeout)
+{
+ struct mgmt_ev_new_conn_param ev;
+
+ if (!hci_is_identity_address(bdaddr, bdaddr_type))
+ return;
+
+ memset(&ev, 0, sizeof(ev));
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
+ ev.store_hint = store_hint;
+ ev.min_interval = cpu_to_le16(min_interval);
+ ev.max_interval = cpu_to_le16(max_interval);
+ ev.latency = cpu_to_le16(latency);
+ ev.timeout = cpu_to_le16(timeout);
+
+ mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
+ u8 *name, u8 name_len)
+{
+ struct sk_buff *skb;
+ struct mgmt_ev_device_connected *ev;
+ u16 eir_len = 0;
+ u32 flags = 0;
+
+ /* allocate buff for LE or BR/EDR adv */
+ if (conn->le_adv_data_len > 0)
+ skb = mgmt_alloc_skb(hdev, MGMT_EV_DEVICE_CONNECTED,
+ sizeof(*ev) + conn->le_adv_data_len);
+ else
+ skb = mgmt_alloc_skb(hdev, MGMT_EV_DEVICE_CONNECTED,
+ sizeof(*ev) + (name ? eir_precalc_len(name_len) : 0) +
+ eir_precalc_len(sizeof(conn->dev_class)));
+
+ ev = skb_put(skb, sizeof(*ev));
+ bacpy(&ev->addr.bdaddr, &conn->dst);
+ ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+
+ if (conn->out)
+ flags |= MGMT_DEV_FOUND_INITIATED_CONN;
+
+ ev->flags = __cpu_to_le32(flags);
+
+ /* We must ensure that the EIR Data fields are ordered and
+ * unique. Keep it simple for now and avoid the problem by not
+ * adding any BR/EDR data to the LE adv.
+ */
+ if (conn->le_adv_data_len > 0) {
+ skb_put_data(skb, conn->le_adv_data, conn->le_adv_data_len);
+ eir_len = conn->le_adv_data_len;
+ } else {
+ if (name)
+ eir_len += eir_skb_put_data(skb, EIR_NAME_COMPLETE, name, name_len);
+
+ if (memcmp(conn->dev_class, "\0\0\0", sizeof(conn->dev_class)))
+ eir_len += eir_skb_put_data(skb, EIR_CLASS_OF_DEV,
+ conn->dev_class, sizeof(conn->dev_class));
+ }
+
+ ev->eir_len = cpu_to_le16(eir_len);
+
+ mgmt_event_skb(skb, NULL);
+}
+
+static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct sock **sk = data;
+
+ cmd->cmd_complete(cmd, 0);
+
+ *sk = cmd->sk;
+ sock_hold(*sk);
+
+ mgmt_pending_remove(cmd);
+}
+
+static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct hci_dev *hdev = data;
+ struct mgmt_cp_unpair_device *cp = cmd->param;
+
+ device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
+
+ cmd->cmd_complete(cmd, 0);
+ mgmt_pending_remove(cmd);
+}
+
+bool mgmt_powering_down(struct hci_dev *hdev)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct mgmt_mode *cp;
+
+ cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
+ if (!cmd)
+ return false;
+
+ cp = cmd->param;
+ if (!cp->val)
+ return true;
+
+ return false;
+}
+
+void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 reason,
+ bool mgmt_connected)
+{
+ struct mgmt_ev_device_disconnected ev;
+ struct sock *sk = NULL;
+
+ /* The connection is still in hci_conn_hash so test for 1
+ * instead of 0 to know if this is the last one.
+ */
+ if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ }
+
+ if (!mgmt_connected)
+ return;
+
+ if (link_type != ACL_LINK && link_type != LE_LINK)
+ return;
+
+ mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.reason = reason;
+
+ /* Report disconnects due to suspend */
+ if (hdev->suspended)
+ ev.reason = MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND;
+
+ mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
+
+ if (sk)
+ sock_put(sk);
+
+ mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
+ hdev);
+}
+
+void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
+ struct mgmt_cp_disconnect *cp;
+ struct mgmt_pending_cmd *cmd;
+
+ mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
+ hdev);
+
+ cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
+ if (!cmd)
+ return;
+
+ cp = cmd->param;
+
+ if (bacmp(bdaddr, &cp->addr.bdaddr))
+ return;
+
+ if (cp->addr.type != bdaddr_type)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+ u8 addr_type, u8 status)
+{
+ struct mgmt_ev_connect_failed ev;
+
+ /* The connection is still in hci_conn_hash so test for 1
+ * instead of 0 to know if this is the last one.
+ */
+ if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
+ cancel_delayed_work(&hdev->power_off);
+ queue_work(hdev->req_workqueue, &hdev->power_off.work);
+ }
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.status = mgmt_status(status);
+
+ mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
+{
+ struct mgmt_ev_pin_code_request ev;
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = BDADDR_BREDR;
+ ev.secure = secure;
+
+ mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
+ if (!cmd)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 status)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
+ if (!cmd)
+ return;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+}
+
+int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u32 value,
+ u8 confirm_hint)
+{
+ struct mgmt_ev_user_confirm_request ev;
+
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.confirm_hint = confirm_hint;
+ ev.value = cpu_to_le32(value);
+
+ return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
+ NULL);
+}
+
+int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type)
+{
+ struct mgmt_ev_user_passkey_request ev;
+
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+
+ return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
+ NULL);
+}
+
+static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status,
+ u8 opcode)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = pending_find(opcode, hdev);
+ if (!cmd)
+ return -ENOENT;
+
+ cmd->cmd_complete(cmd, mgmt_status(status));
+ mgmt_pending_remove(cmd);
+
+ return 0;
+}
+
+int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status, MGMT_OP_USER_CONFIRM_REPLY);
+}
+
+int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status,
+ MGMT_OP_USER_CONFIRM_NEG_REPLY);
+}
+
+int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status, MGMT_OP_USER_PASSKEY_REPLY);
+}
+
+int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
+ status,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY);
+}
+
+int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 link_type, u8 addr_type, u32 passkey,
+ u8 entered)
+{
+ struct mgmt_ev_passkey_notify ev;
+
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
+
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = link_to_bdaddr(link_type, addr_type);
+ ev.passkey = __cpu_to_le32(passkey);
+ ev.entered = entered;
+
+ return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
+{
+ struct mgmt_ev_auth_failed ev;
+ struct mgmt_pending_cmd *cmd;
+ u8 status = mgmt_status(hci_status);
+
+ bacpy(&ev.addr.bdaddr, &conn->dst);
+ ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
+ ev.status = status;
+
+ cmd = find_pairing(conn);
+
+ mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
+
+ if (cmd) {
+ cmd->cmd_complete(cmd, status);
+ mgmt_pending_remove(cmd);
+ }
+}
+
+void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ bool changed;
+
+ if (status) {
+ u8 mgmt_err = mgmt_status(status);
+ mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
+ cmd_status_rsp, &mgmt_err);
+ return;
+ }
+
+ if (test_bit(HCI_AUTH, &hdev->flags))
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
+ else
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
+
+ mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
+ &match);
+
+ if (changed)
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
+{
+ struct cmd_lookup *match = data;
+
+ if (match->sk == NULL) {
+ match->sk = cmd->sk;
+ sock_hold(match->sk);
+ }
+}
+
+void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
+ u8 status)
+{
+ struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
+
+ mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
+
+ if (!status) {
+ mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
+ 3, HCI_MGMT_DEV_CLASS_EVENTS, NULL);
+ ext_info_changed(hdev, NULL);
+ }
+
+ if (match.sk)
+ sock_put(match.sk);
+}
+
+void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
+{
+ struct mgmt_cp_set_local_name ev;
+ struct mgmt_pending_cmd *cmd;
+
+ if (status)
+ return;
+
+ memset(&ev, 0, sizeof(ev));
+ memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
+ memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
+
+ cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
+ if (!cmd) {
+ memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
+
+ /* If this is a HCI command related to powering on the
+ * HCI dev don't send any mgmt signals.
+ */
+ if (pending_find(MGMT_OP_SET_POWERED, hdev))
+ return;
+ }
+
+ mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_LOCAL_NAME_EVENTS, cmd ? cmd->sk : NULL);
+ ext_info_changed(hdev, cmd ? cmd->sk : NULL);
+}
+
+static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
+{
+ int i;
+
+ for (i = 0; i < uuid_count; i++) {
+ if (!memcmp(uuid, uuids[i], 16))
+ return true;
+ }
+
+ return false;
+}
+
+static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
+{
+ u16 parsed = 0;
+
+ while (parsed < eir_len) {
+ u8 field_len = eir[0];
+ u8 uuid[16];
+ int i;
+
+ if (field_len == 0)
+ break;
+
+ if (eir_len - parsed < field_len + 1)
+ break;
+
+ switch (eir[1]) {
+ case EIR_UUID16_ALL:
+ case EIR_UUID16_SOME:
+ for (i = 0; i + 3 <= field_len; i += 2) {
+ memcpy(uuid, bluetooth_base_uuid, 16);
+ uuid[13] = eir[i + 3];
+ uuid[12] = eir[i + 2];
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ case EIR_UUID32_ALL:
+ case EIR_UUID32_SOME:
+ for (i = 0; i + 5 <= field_len; i += 4) {
+ memcpy(uuid, bluetooth_base_uuid, 16);
+ uuid[15] = eir[i + 5];
+ uuid[14] = eir[i + 4];
+ uuid[13] = eir[i + 3];
+ uuid[12] = eir[i + 2];
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ case EIR_UUID128_ALL:
+ case EIR_UUID128_SOME:
+ for (i = 0; i + 17 <= field_len; i += 16) {
+ memcpy(uuid, eir + i + 2, 16);
+ if (has_uuid(uuid, uuid_count, uuids))
+ return true;
+ }
+ break;
+ }
+
+ parsed += field_len + 1;
+ eir += field_len + 1;
+ }
+
+ return false;
+}
+
+static void restart_le_scan(struct hci_dev *hdev)
+{
+ /* If controller is not scanning we are done. */
+ if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ return;
+
+ if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
+ hdev->discovery.scan_start +
+ hdev->discovery.scan_duration))
+ return;
+
+ queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
+ DISCOV_LE_RESTART_DELAY);
+}
+
+static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
+ u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
+{
+ /* If a RSSI threshold has been specified, and
+ * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
+ * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
+ * is set, let it through for further processing, as we might need to
+ * restart the scan.
+ *
+ * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
+ * the results are also dropped.
+ */
+ if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
+ (rssi == HCI_RSSI_INVALID ||
+ (rssi < hdev->discovery.rssi &&
+ !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
+ return false;
+
+ if (hdev->discovery.uuid_count != 0) {
+ /* If a list of UUIDs is provided in filter, results with no
+ * matching UUID should be dropped.
+ */
+ if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
+ hdev->discovery.uuids) &&
+ !eir_has_uuids(scan_rsp, scan_rsp_len,
+ hdev->discovery.uuid_count,
+ hdev->discovery.uuids))
+ return false;
+ }
+
+ /* If duplicate filtering does not report RSSI changes, then restart
+ * scanning to ensure updated result with updated RSSI values.
+ */
+ if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
+ restart_le_scan(hdev);
+
+ /* Validate RSSI value against the RSSI threshold once more. */
+ if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
+ rssi < hdev->discovery.rssi)
+ return false;
+ }
+
+ return true;
+}
+
+void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
+ bdaddr_t *bdaddr, u8 addr_type)
+{
+ struct mgmt_ev_adv_monitor_device_lost ev;
+
+ ev.monitor_handle = cpu_to_le16(handle);
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = addr_type;
+
+ mgmt_event(MGMT_EV_ADV_MONITOR_DEVICE_LOST, hdev, &ev, sizeof(ev),
+ NULL);
+}
+
+static void mgmt_send_adv_monitor_device_found(struct hci_dev *hdev,
+ struct sk_buff *skb,
+ struct sock *skip_sk,
+ u16 handle)
+{
+ struct sk_buff *advmon_skb;
+ size_t advmon_skb_len;
+ __le16 *monitor_handle;
+
+ if (!skb)
+ return;
+
+ advmon_skb_len = (sizeof(struct mgmt_ev_adv_monitor_device_found) -
+ sizeof(struct mgmt_ev_device_found)) + skb->len;
+ advmon_skb = mgmt_alloc_skb(hdev, MGMT_EV_ADV_MONITOR_DEVICE_FOUND,
+ advmon_skb_len);
+ if (!advmon_skb)
+ return;
+
+ /* ADV_MONITOR_DEVICE_FOUND is similar to DEVICE_FOUND event except
+ * that it also has 'monitor_handle'. Make a copy of DEVICE_FOUND and
+ * store monitor_handle of the matched monitor.
+ */
+ monitor_handle = skb_put(advmon_skb, sizeof(*monitor_handle));
+ *monitor_handle = cpu_to_le16(handle);
+ skb_put_data(advmon_skb, skb->data, skb->len);
+
+ mgmt_event_skb(advmon_skb, skip_sk);
+}
+
+static void mgmt_adv_monitor_device_found(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, bool report_device,
+ struct sk_buff *skb,
+ struct sock *skip_sk)
+{
+ struct monitored_device *dev, *tmp;
+ bool matched = false;
+ bool notified = false;
+
+ /* We have received the Advertisement Report because:
+ * 1. the kernel has initiated active discovery
+ * 2. if not, we have pend_le_reports > 0 in which case we are doing
+ * passive scanning
+ * 3. if none of the above is true, we have one or more active
+ * Advertisement Monitor
+ *
+ * For case 1 and 2, report all advertisements via MGMT_EV_DEVICE_FOUND
+ * and report ONLY one advertisement per device for the matched Monitor
+ * via MGMT_EV_ADV_MONITOR_DEVICE_FOUND event.
+ *
+ * For case 3, since we are not active scanning and all advertisements
+ * received are due to a matched Advertisement Monitor, report all
+ * advertisements ONLY via MGMT_EV_ADV_MONITOR_DEVICE_FOUND event.
+ */
+ if (report_device && !hdev->advmon_pend_notify) {
+ mgmt_event_skb(skb, skip_sk);
+ return;
+ }
+
+ hdev->advmon_pend_notify = false;
+
+ list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices, list) {
+ if (!bacmp(&dev->bdaddr, bdaddr)) {
+ matched = true;
+
+ if (!dev->notified) {
+ mgmt_send_adv_monitor_device_found(hdev, skb,
+ skip_sk,
+ dev->handle);
+ notified = true;
+ dev->notified = true;
+ }
+ }
+
+ if (!dev->notified)
+ hdev->advmon_pend_notify = true;
+ }
+
+ if (!report_device &&
+ ((matched && !notified) || !msft_monitor_supported(hdev))) {
+ /* Handle 0 indicates that we are not active scanning and this
+ * is a subsequent advertisement report for an already matched
+ * Advertisement Monitor or the controller offloading support
+ * is not available.
+ */
+ mgmt_send_adv_monitor_device_found(hdev, skb, skip_sk, 0);
+ }
+
+ if (report_device)
+ mgmt_event_skb(skb, skip_sk);
+ else
+ kfree_skb(skb);
+}
+
+static void mesh_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type, s8 rssi, u32 flags, u8 *eir,
+ u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
+ u64 instant)
+{
+ struct sk_buff *skb;
+ struct mgmt_ev_mesh_device_found *ev;
+ int i, j;
+
+ if (!hdev->mesh_ad_types[0])
+ goto accepted;
+
+ /* Scan for requested AD types */
+ if (eir_len > 0) {
+ for (i = 0; i + 1 < eir_len; i += eir[i] + 1) {
+ for (j = 0; j < sizeof(hdev->mesh_ad_types); j++) {
+ if (!hdev->mesh_ad_types[j])
+ break;
+
+ if (hdev->mesh_ad_types[j] == eir[i + 1])
+ goto accepted;
+ }
+ }
+ }
+
+ if (scan_rsp_len > 0) {
+ for (i = 0; i + 1 < scan_rsp_len; i += scan_rsp[i] + 1) {
+ for (j = 0; j < sizeof(hdev->mesh_ad_types); j++) {
+ if (!hdev->mesh_ad_types[j])
+ break;
+
+ if (hdev->mesh_ad_types[j] == scan_rsp[i + 1])
+ goto accepted;
+ }
+ }
+ }
+
+ return;
+
+accepted:
+ skb = mgmt_alloc_skb(hdev, MGMT_EV_MESH_DEVICE_FOUND,
+ sizeof(*ev) + eir_len + scan_rsp_len);
+ if (!skb)
+ return;
+
+ ev = skb_put(skb, sizeof(*ev));
+
+ bacpy(&ev->addr.bdaddr, bdaddr);
+ ev->addr.type = link_to_bdaddr(LE_LINK, addr_type);
+ ev->rssi = rssi;
+ ev->flags = cpu_to_le32(flags);
+ ev->instant = cpu_to_le64(instant);
+
+ if (eir_len > 0)
+ /* Copy EIR or advertising data into event */
+ skb_put_data(skb, eir, eir_len);
+
+ if (scan_rsp_len > 0)
+ /* Append scan response data to event */
+ skb_put_data(skb, scan_rsp, scan_rsp_len);
+
+ ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
+
+ mgmt_event_skb(skb, NULL);
+}
+
+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,
+ u64 instant)
+{
+ struct sk_buff *skb;
+ struct mgmt_ev_device_found *ev;
+ bool report_device = hci_discovery_active(hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_MESH) && link_type == LE_LINK)
+ mesh_device_found(hdev, bdaddr, addr_type, rssi, flags,
+ eir, eir_len, scan_rsp, scan_rsp_len,
+ instant);
+
+ /* 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))
+ report_device = true;
+ else if (!hci_is_adv_monitoring(hdev))
+ return;
+ }
+
+ if (hdev->discovery.result_filtering) {
+ /* We are using service discovery */
+ if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
+ scan_rsp_len))
+ return;
+ }
+
+ if (hdev->discovery.limited) {
+ /* Check for limited discoverable bit */
+ if (dev_class) {
+ if (!(dev_class[1] & 0x20))
+ return;
+ } else {
+ u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL);
+ if (!flags || !(flags[0] & LE_AD_LIMITED))
+ return;
+ }
+ }
+
+ /* Allocate skb. The 5 extra bytes are for the potential CoD field */
+ skb = mgmt_alloc_skb(hdev, MGMT_EV_DEVICE_FOUND,
+ sizeof(*ev) + eir_len + scan_rsp_len + 5);
+ if (!skb)
+ return;
+
+ ev = skb_put(skb, sizeof(*ev));
+
+ /* 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 */
+ skb_put_data(skb, eir, eir_len);
+
+ if (dev_class && !eir_get_data(eir, eir_len, EIR_CLASS_OF_DEV, NULL)) {
+ u8 eir_cod[5];
+
+ eir_len += eir_append_data(eir_cod, 0, EIR_CLASS_OF_DEV,
+ dev_class, 3);
+ skb_put_data(skb, eir_cod, sizeof(eir_cod));
+ }
+
+ if (scan_rsp_len > 0)
+ /* Append scan response data to event */
+ skb_put_data(skb, scan_rsp, scan_rsp_len);
+
+ ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
+
+ mgmt_adv_monitor_device_found(hdev, bdaddr, report_device, skb, 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 sk_buff *skb;
+ struct mgmt_ev_device_found *ev;
+ u16 eir_len = 0;
+ u32 flags = 0;
+
+ skb = mgmt_alloc_skb(hdev, MGMT_EV_DEVICE_FOUND,
+ sizeof(*ev) + (name ? eir_precalc_len(name_len) : 0));
+
+ ev = skb_put(skb, sizeof(*ev));
+ bacpy(&ev->addr.bdaddr, bdaddr);
+ ev->addr.type = link_to_bdaddr(link_type, addr_type);
+ ev->rssi = rssi;
+
+ if (name)
+ eir_len += eir_skb_put_data(skb, EIR_NAME_COMPLETE, name, name_len);
+ else
+ flags = MGMT_DEV_FOUND_NAME_REQUEST_FAILED;
+
+ ev->eir_len = cpu_to_le16(eir_len);
+ ev->flags = cpu_to_le32(flags);
+
+ mgmt_event_skb(skb, NULL);
+}
+
+void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
+{
+ struct mgmt_ev_discovering ev;
+
+ bt_dev_dbg(hdev, "discovering %u", discovering);
+
+ memset(&ev, 0, sizeof(ev));
+ ev.type = hdev->discovery.type;
+ ev.discovering = discovering;
+
+ mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_suspending(struct hci_dev *hdev, u8 state)
+{
+ struct mgmt_ev_controller_suspend ev;
+
+ ev.suspend_state = state;
+ mgmt_event(MGMT_EV_CONTROLLER_SUSPEND, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
+ u8 addr_type)
+{
+ struct mgmt_ev_controller_resume ev;
+
+ ev.wake_reason = reason;
+ if (bdaddr) {
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = addr_type;
+ } else {
+ memset(&ev.addr, 0, sizeof(ev.addr));
+ }
+
+ mgmt_event(MGMT_EV_CONTROLLER_RESUME, hdev, &ev, sizeof(ev), NULL);
+}
+
+static struct hci_mgmt_chan chan = {
+ .channel = HCI_CHANNEL_CONTROL,
+ .handler_count = ARRAY_SIZE(mgmt_handlers),
+ .handlers = mgmt_handlers,
+ .hdev_init = mgmt_init_hdev,
+};
+
+int mgmt_init(void)
+{
+ return hci_mgmt_chan_register(&chan);
+}
+
+void mgmt_exit(void)
+{
+ hci_mgmt_chan_unregister(&chan);
+}
+
+void mgmt_cleanup(struct sock *sk)
+{
+ struct mgmt_mesh_tx *mesh_tx;
+ struct hci_dev *hdev;
+
+ read_lock(&hci_dev_list_lock);
+
+ list_for_each_entry(hdev, &hci_dev_list, list) {
+ do {
+ mesh_tx = mgmt_mesh_next(hdev, sk);
+
+ if (mesh_tx)
+ mesh_send_complete(hdev, mesh_tx, true);
+ } while (mesh_tx);
+ }
+
+ read_unlock(&hci_dev_list_lock);
+}