diff --git a/wifi/aidl/android/hardware/wifi/IWifi.aidl b/wifi/aidl/android/hardware/wifi/IWifi.aidl
new file mode 100644
index 0000000..1d86421
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifi.aidl
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IWifiChip;
+import android.hardware.wifi.IWifiEventCallback;
+
+/**
+ * This is the root of the HAL module and is the interface returned when
+ * loading an implementation of the Wi-Fi HAL. There must be at most one
+ * module loaded in the system.
+ */
+@VintfStability
+interface IWifi {
+    /**
+     * Gets an AIDL interface object for the chip corresponding to the
+     * provided chipId.
+     *
+     * @param chipId ID of the chip.
+     * @return AIDL interface object representing the chip.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.NOT_STARTED|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    @PropagateAllowBlocking IWifiChip getChip(int chipId);
+
+    /**
+     * Retrieves the list of all chip id's on the device.
+     * The corresponding |IWifiChip| object for any chip can be
+     * retrieved using the |getChip| method.
+     *
+     * @return List of all chip id's on the device.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.NOT_STARTED|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    int[] getChipIds();
+
+    /**
+     * Get the current state of the HAL.
+     *
+     * @return true if started, false otherwise.
+     */
+    boolean isStarted();
+
+    /**
+     * Requests notifications of significant HAL events. Multiple calls to
+     * this must register multiple callbacks, each of which must receive all
+     * events. |IWifiEventCallback| object registration must be independent of the
+     * state of the rest of the HAL and must persist though stops/starts. These
+     * objects must be deleted when the corresponding client process is dead.
+     *
+     * @param callback An instance of the |IWifiEventCallback| AIDL interface
+     *        object.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void registerEventCallback(in IWifiEventCallback callback);
+
+    /**
+     * Perform any setup that is required to make use of the module.
+     * If the module is already started then this must be a noop.
+     * Must trigger |IWifiEventCallback.onStart| on success.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void start();
+
+    /**
+     * Tear down any state, ongoing commands, etc. If the module is already
+     * stopped then this must be a noop. After calling this, all |IWifiChip|
+     * objects will be considered invalid.
+     * Must trigger |IWifiEventCallback.onStop| on success.
+     * Must trigger |IWifiEventCallback.onFailure| on failure.
+     *
+     * Calling stop() and then start() is a valid way of resetting state in
+     * the HAL, driver, and firmware.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.NOT_STARTED|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void stop();
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiApIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiApIface.aidl
new file mode 100644
index 0000000..71ea385
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiApIface.aidl
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiBand;
+
+/**
+ * Represents a network interface in AP mode.
+ *
+ * This can be obtained through |IWifiChip.getApIface|.
+ */
+@VintfStability
+interface IWifiApIface {
+    /**
+     * Get the name of this interface.
+     *
+     * @return Name of this interface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    String getName();
+
+    /**
+     * Get the names of the bridged AP instances.
+     *
+     * @return Vector containing the names of the bridged AP
+     *         instances. Note: Returns an empty vector for a non-bridged AP.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    String[] getBridgedInstances();
+
+    /**
+     * Gets the factory MAC address of the interface.
+     *
+     * @return Factory MAC address of the interface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    byte[6] getFactoryMacAddress();
+
+    /**
+     * Set country code for this iface.
+     *
+     * @param code 2 byte country code (as defined in ISO 3166) to set.
+     * @return status Status of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.FAILURE_UNKNOWN|,
+     *         |WifiStatusCode.FAILURE_IFACE_INVALID|
+     */
+    void setCountryCode(in byte[2] code);
+
+    /**
+     * Used to query the list of valid frequencies (depending on country code set)
+     * for the provided band.
+     *
+     * @param band Band for which the frequency list is being generated.
+     * @return Vector of valid frequencies for the provided band.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    int[] getValidFrequenciesForBand(in WifiBand band);
+
+    /**
+     * Reset all of the AP interfaces' MAC address to the factory MAC address.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void resetToFactoryMacAddress();
+
+    /**
+     * Changes the MAC address of the interface to the given MAC address.
+     *
+     * @param mac MAC address to change to.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setMacAddress(in byte[6] mac);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
new file mode 100644
index 0000000..fe9a6f3
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
@@ -0,0 +1,1096 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IWifiApIface;
+import android.hardware.wifi.IWifiChipEventCallback;
+import android.hardware.wifi.IWifiNanIface;
+import android.hardware.wifi.IWifiP2pIface;
+import android.hardware.wifi.IWifiRttController;
+import android.hardware.wifi.IWifiStaIface;
+import android.hardware.wifi.IfaceConcurrencyType;
+import android.hardware.wifi.IfaceType;
+import android.hardware.wifi.WifiBand;
+import android.hardware.wifi.WifiDebugHostWakeReasonStats;
+import android.hardware.wifi.WifiDebugRingBufferStatus;
+import android.hardware.wifi.WifiDebugRingBufferVerboseLevel;
+import android.hardware.wifi.WifiIfaceMode;
+import android.hardware.wifi.WifiRadioCombinationMatrix;
+import android.hardware.wifi.WifiUsableChannel;
+
+/**
+ * Interface that represents a chip that must be configured as a single unit.
+ */
+@VintfStability
+interface IWifiChip {
+    /**
+     * Capabilities exposed by this chip.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum ChipCapabilityMask {
+        /**
+         * Memory dump of Firmware.
+         */
+        DEBUG_MEMORY_FIRMWARE_DUMP = 1 << 0,
+        /**
+         * Memory dump of Driver.
+         */
+        DEBUG_MEMORY_DRIVER_DUMP = 1 << 1,
+        /**
+         * Connectivity events reported via debug ring buffer.
+         */
+        DEBUG_RING_BUFFER_CONNECT_EVENT = 1 << 2,
+        /**
+         * Power events reported via debug ring buffer.
+         */
+        DEBUG_RING_BUFFER_POWER_EVENT = 1 << 3,
+        /**
+         * Wakelock events reported via debug ring buffer.
+         */
+        DEBUG_RING_BUFFER_WAKELOCK_EVENT = 1 << 4,
+        /**
+         * Vendor data reported via debug ring buffer.
+         * This mostly contains firmware event logs.
+         */
+        DEBUG_RING_BUFFER_VENDOR_DATA = 1 << 5,
+        /**
+         * Host wake reasons stats collection.
+         */
+        DEBUG_HOST_WAKE_REASON_STATS = 1 << 6,
+        /**
+         * Error alerts.
+         */
+        DEBUG_ERROR_ALERTS = 1 << 7,
+        /**
+         * Set/Reset Tx Power limits.
+         */
+        SET_TX_POWER_LIMIT = 1 << 8,
+        /**
+         * Device to Device RTT.
+         */
+        D2D_RTT = 1 << 9,
+        /**
+         * Device to AP RTT.
+         */
+        D2AP_RTT = 1 << 10,
+        /**
+         * Set/Reset Tx Power limits.
+         */
+        USE_BODY_HEAD_SAR = 1 << 11,
+        /**
+         * Set Latency Mode.
+         */
+        SET_LATENCY_MODE = 1 << 12,
+        /**
+         * Support P2P MAC randomization.
+         */
+        P2P_RAND_MAC = 1 << 13,
+        /**
+         * Chip can operate in the 60GHz band (WiGig chip).
+         */
+        WIGIG = 1 << 14,
+    }
+
+    /**
+     * Set of interface concurrency types, along with the maximum number of interfaces that can have
+     * one of the specified concurrency types for a given ChipConcurrencyCombination. See
+     * ChipConcurrencyCombination below for examples.
+     */
+    @VintfStability
+    parcelable ChipConcurrencyCombinationLimit {
+        IfaceConcurrencyType[] types;
+        int maxIfaces;
+    }
+
+    /**
+     * Set of interfaces that can operate concurrently when in a given mode. See
+     * ChipMode below.
+     *
+     * For example:
+     *   [{STA} <= 2]
+     *       At most two STA interfaces are supported
+     *       [], [STA], [STA+STA]
+     *
+     *   [{STA} <= 1, {NAN} <= 1, {AP_BRIDGED} <= 1]
+     *       Any combination of STA, NAN, AP_BRIDGED
+     *       [], [STA], [NAN], [AP_BRIDGED], [STA+NAN], [STA+AP_BRIDGED], [NAN+AP_BRIDGED],
+     *       [STA+NAN+AP_BRIDGED]
+     *
+     *   [{STA} <= 1, {NAN,P2P} <= 1]
+     *       Optionally a STA and either NAN or P2P
+     *       [], [STA], [STA+NAN], [STA+P2P], [NAN], [P2P]
+     *       Not included [NAN+P2P], [STA+NAN+P2P]
+     *
+     *   [{STA} <= 1, {STA,NAN} <= 1]
+     *       Optionally a STA and either a second STA or a NAN
+     *       [], [STA], [STA+NAN], [STA+STA], [NAN]
+     *       Not included [STA+STA+NAN]
+     */
+    @VintfStability
+    parcelable ChipConcurrencyCombination {
+        ChipConcurrencyCombinationLimit[] limits;
+    }
+
+    /**
+     * Information about the version of the driver and firmware running this chip.
+     *
+     * The information in these ASCII strings are vendor specific and does not
+     * need to follow any particular format. It may be dumped as part of the bug
+     * report.
+     */
+    @VintfStability
+    parcelable ChipDebugInfo {
+        String driverDescription;
+        String firmwareDescription;
+    }
+
+    /**
+     * Set of interface types, along with the maximum number of interfaces that can have
+     * one of the specified types for a given ChipIfaceCombination. See
+     * ChipIfaceCombination for examples.
+     */
+    @VintfStability
+    parcelable ChipIfaceCombinationLimit {
+        IfaceType[] types;
+        int maxIfaces;
+    }
+
+    /**
+     * Set of interfaces that can operate concurrently when in a given mode. See
+     * ChipMode below.
+     *
+     * For example:
+     *   [{STA} <= 2]
+     *       At most two STA interfaces are supported
+     *       [], [STA], [STA+STA]
+     *
+     *   [{STA} <= 1, {NAN} <= 1, {AP} <= 1]
+     *       Any combination of STA, NAN, AP
+     *       [], [STA], [NAN], [AP], [STA+NAN], [STA+AP], [NAN+AP], [STA+NAN+AP]
+     *
+     *   [{STA} <= 1, {NAN,P2P} <= 1]
+     *       Optionally a STA and either NAN or P2P
+     *       [], [STA], [STA+NAN], [STA+P2P], [NAN], [P2P]
+     *       Not included [NAN+P2P], [STA+NAN+P2P]
+     *
+     *   [{STA} <= 1, {STA,NAN} <= 1]
+     *       Optionally a STA and either a second STA or a NAN
+     *       [], [STA], [STA+NAN], [STA+STA], [NAN]
+     *       Not included [STA+STA+NAN]
+     */
+    @VintfStability
+    parcelable ChipIfaceCombination {
+        ChipIfaceCombinationLimit[] limits;
+    }
+
+    /**
+     * A mode that the chip can be put in. A mode defines a set of constraints on
+     * the interfaces that can exist while in that mode. Modes define a unit of
+     * configuration where all interfaces must be torn down to switch to a
+     * different mode. Some HALs may only have a single mode, but an example where
+     * multiple modes would be required is if a chip has different firmwares with
+     * different capabilities.
+     *
+     * When in a mode, it must be possible to perform any combination of creating
+     * and removing interfaces as long as at least one of the
+     * ChipConcurrencyCombinations is satisfied. This means that if a chip has two
+     * available combinations, [{STA} <= 1] and [{AP_BRIDGED} <= 1] then it is expected
+     * that exactly one STA type or one AP_BRIDGED type can be created, but it
+     * is not expected that both a STA and AP_BRIDGED type  could be created. If it
+     * was then there would be a single available combination
+     * [{STA} <=1, {AP_BRIDGED} <= 1].
+     *
+     * When switching between two available combinations it is expected that
+     * interfaces only supported by the initial combination must be removed until
+     * the target combination is also satisfied. At that point new interfaces
+     * satisfying only the target combination can be added (meaning the initial
+     * combination limits will no longer satisfied). The addition of these new
+     * interfaces must not impact the existence of interfaces that satisfy both
+     * combinations.
+     *
+     * For example, a chip with available combinations:
+     *     [{STA} <= 2, {NAN} <=1] and [{STA} <=1, {NAN} <= 1, {AP_BRIDGED} <= 1}]
+     * If the chip currently has 3 interfaces STA, STA and NAN and wants to add an
+     * AP_BRIDGED interface in place of one of the STAs, then one of the STA interfaces
+     * must be removed first, and then the AP interface can be created after
+     * the STA has been torn down. During this process the remaining STA and NAN
+     * interfaces must not be removed/recreated.
+     *
+     * If a chip does not support this kind of reconfiguration in this mode then
+     * the combinations must be separated into two separate modes. Before
+     * switching modes, all interfaces must be torn down, the mode switch must be
+     * enacted, and when it completes the new interfaces must be brought up.
+     */
+    @VintfStability
+    parcelable ChipMode {
+        /**
+         * Id that can be used to put the chip in this mode.
+         */
+        int id;
+        /**
+         * A list of the possible interface concurrency type combinations that the
+         * chip can have while in this mode.
+         */
+        ChipConcurrencyCombination[] availableCombinations;
+    }
+
+    /**
+     * Wi-Fi coex channel avoidance support.
+     */
+    const int NO_POWER_CAP_CONSTANT = 0x7FFFFFFF;
+
+    @VintfStability
+    @Backing(type="int")
+    enum CoexRestriction {
+        WIFI_DIRECT = 1 << 0,
+        SOFTAP = 1 << 1,
+        WIFI_AWARE = 1 << 2,
+    }
+
+    /**
+     * Representation of a Wi-Fi channel for Wi-Fi coex channel avoidance.
+     */
+    @VintfStability
+    parcelable CoexUnsafeChannel {
+        /*
+         * Band of the channel.
+         */
+        WifiBand band;
+        /*
+         * Channel number.
+         */
+        int channel;
+        /**
+         * The power cap will be a maximum power value in dbm that is allowed to be transmitted by
+         * the chip on this channel. A value of PowerCapConstant.NO_POWER_CAP means no limitation
+         * on transmitted power is needed by the chip for this channel.
+         */
+        int powerCapDbm;
+    }
+
+    /**
+     * This enum represents the different latency modes that can be set through |setLatencyMode|.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum LatencyMode {
+        NORMAL = 0,
+        LOW = 1,
+    }
+
+    /**
+     * When there are 2 or more simultaneous STA connections, this use case hint indicates what
+     * use-case is being enabled by the framework. This use case hint can be used by the firmware
+     * to modify various firmware configurations like:
+     *   - Allowed BSSIDs the firmware can choose for the initial connection/roaming attempts.
+     *   - Duty cycle to choose for the 2 STA connections if the radio is in MCC mode.
+     *   - Whether roaming, APF and other offloads need to be enabled or not.
+     * Note:
+     *   - This will be invoked before an active wifi connection is established on the second
+     *     interface.
+     *   - This use-case hint is implicitly void when the second STA interface is brought down.
+     *   - When there is only 1 STA interface, we should still retain the last use case
+     *     set, which must become active the next time multi STA is enabled.
+     *     1. Initialize with single STA.
+     *     2. Framework creates second STA.
+     *     3. Framework sets use case to DUAL_STA_NON_TRANSIENT_UNBIASED.
+     *     4. Framework destroys second STA. Only 1 STA remains.
+     *     5. Framework recreates second STA.
+     *     6. The active use case remains DUAL_STA_NON_TRANSIENT_UNBIASED (i.e. firmware should not
+     *        automatically change it during period of single STA unless requested by framework).
+     */
+    @VintfStability
+    @Backing(type="byte")
+    enum MultiStaUseCase {
+        /**
+         * Usage:
+         * - This will be sent down for make before break use-case.
+         * - Platform is trying to speculatively connect to a second network and evaluate it without
+         *  disrupting the primary connection.
+         * Requirements for Firmware:
+         * - Do not reduce the number of tx/rx chains of primary connection.
+         * - If using MCC, should set the MCC duty cycle of the primary connection to be higher than
+         *  the secondary connection (maybe 70/30 split).
+         * - Should pick the best BSSID for the secondary STA (disregard the chip mode) independent
+         *   of the primary STA:
+         *    - Don’t optimize for DBS vs MCC/SCC
+         * - Should not impact the primary connection’s bssid selection:
+         *    - Don’t downgrade chains of the existing primary connection.
+         *    - Don’t optimize for DBS vs MCC/SCC.
+         */
+        DUAL_STA_TRANSIENT_PREFER_PRIMARY = 0,
+        /**
+         * Usage:
+         * - This will be sent down for any app requested peer to peer connections.
+         * - In this case, both the connections need to be allocated equal resources.
+         * - For the peer to peer use case, BSSID for the secondary connection will be chosen by the
+         *   framework.
+         *
+         * Requirements for Firmware:
+         * - Can choose MCC or DBS mode depending on the MCC efficiency and HW capability.
+         * - If using MCC, set the MCC duty cycle of the primary connection to be equal to the
+         *   secondary connection.
+         * - Prefer BSSID candidates which will help provide the best "overall" performance for both
+         *   the connections.
+         */
+        DUAL_STA_NON_TRANSIENT_UNBIASED = 1,
+    }
+
+    /**
+     * List of preset wifi radio TX power levels for different scenarios.
+     * The actual power values (typically varies based on the channel,
+     * 802.11 connection type, number of MIMO streams, etc) for each scenario
+     * is defined by the OEM as a BDF file since it varies for each wifi chip
+     * vendor and device.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum TxPowerScenario {
+        VOICE_CALL = 0,
+        ON_HEAD_CELL_OFF = 1,
+        ON_HEAD_CELL_ON = 2,
+        ON_BODY_CELL_OFF = 3,
+        ON_BODY_CELL_ON = 4,
+    }
+
+    /**
+     * Usable Wifi channels filter masks.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum UsableChannelFilter {
+        /**
+         * Filter Wifi channels that should be avoided due to extreme
+         * cellular coexistence restrictions. Some Wifi channels can have
+         * extreme interference from/to cellular due to short frequency
+         * seperation with neighboring cellular channels, or when there
+         * is harmonic and intermodulation interference. Channels which
+         * only have some performance degradation (e.g. power back off is
+         * sufficient to deal with coexistence issue) can be included and
+         * should not be filtered out.
+         */
+        CELLULAR_COEXISTENCE = 1 << 0,
+        /**
+         * Filter based on concurrency state.
+         * Examples:
+         * - 5GHz SAP operation may be supported in standalone mode, but if
+         *  there is a STA connection on a 5GHz DFS channel, none of the 5GHz
+         *  channels are usable for SAP if device does not support DFS SAP mode.
+         * - P2P GO may not be supported on indoor channels in the EU during
+         *  standalone mode but if there is a STA connection on indoor channel.
+         *  P2P GO may be supported by some vendors on the same STA channel.
+         */
+        CONCURRENCY = 1 << 1,
+        /**
+         * Filter Wifi channels that are supported for NAN 3.1 Instant communication mode.
+         * This filter should only be applied to a NAN interface.
+         * - If 5G is supported, then default discovery channel 149/44 is considered.
+         * - If 5G is not supported, then channel 6 has to be considered.
+         */
+        NAN_INSTANT_MODE = 1 << 2,
+    }
+
+    /**
+     * Configure the Chip.
+     * This may NOT be called to reconfigure a chip due to an internal
+     * limitation. Calling this when chip is already configured in a different
+     * mode must trigger an ERROR_NOT_SUPPORTED failure.
+     * If you want to do reconfiguration, please call |IWifi.stop| and |IWifi.start|
+     * to restart Wifi HAL before calling this.
+     * Any existing |IWifiIface| objects must be marked invalid after this call.
+     * If this fails then the chip is now in an undefined state and
+     * configureChip must be called again.
+     * Must trigger |IWifiChipEventCallback.onChipReconfigured| on success.
+     * Must trigger |IWifiEventCallback.onFailure| on failure.
+     *
+     * @param modeId Mode that the chip must switch to, corresponding to the
+     *        id property of the target ChipMode.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void configureChip(in int modeId);
+
+    /**
+     * Create an AP iface on the chip.
+     *
+     * Depending on the mode the chip is configured in, the interface creation
+     * may fail (code: |WifiStatusCode.ERROR_NOT_AVAILABLE|) if we've already
+     * reached the maximum allowed (specified in |ChipIfaceCombination|) number
+     * of ifaces of the AP type.
+     *
+     * @return AIDL interface object representing the iface if
+     *         successful, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    @PropagateAllowBlocking IWifiApIface createApIface();
+
+    /**
+     * Create a bridged AP iface on the chip.
+     *
+     * Depending on the mode the chip is configured in, the interface creation
+     * may fail (code: |WifiStatusCode.ERROR_NOT_AVAILABLE|) if we've already
+     * reached the maximum allowed (specified in |ChipIfaceCombination|) number
+     * of ifaces of the AP type.
+     *
+     * @return AIDL interface object representing the iface if
+     *         successful, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    @PropagateAllowBlocking IWifiApIface createBridgedApIface();
+
+    /**
+     * Create a NAN iface on the chip.
+     *
+     * Depending on the mode the chip is configured in, the interface creation
+     * may fail (code: |WifiStatusCode.ERROR_NOT_AVAILABLE|) if we've already
+     * reached the maximum allowed (specified in |ChipIfaceCombination|) number
+     * of ifaces of the NAN type.
+     *
+     * @return AIDL interface object representing the iface if
+     *         successful, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    @PropagateAllowBlocking IWifiNanIface createNanIface();
+
+    /**
+     * Create a P2P iface on the chip.
+     *
+     * Depending on the mode the chip is configured in, the interface creation
+     * may fail (code: |WifiStatusCode.ERROR_NOT_AVAILABLE|) if we've already
+     * reached the maximum allowed (specified in |ChipIfaceCombination|) number
+     * of ifaces of the P2P type.
+     *
+     * @return AIDL interface object representing the iface if
+     *         successful, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    @PropagateAllowBlocking IWifiP2pIface createP2pIface();
+
+    /**
+     * Create an RTTController instance.
+     *
+     * RTT controller can be either:
+     * a) Bound to a specific STA iface by passing in the corresponding
+     * |IWifiStaIface| object in the |boundIface| param, OR
+     * b) Let the implementation decide the iface to use for RTT operations
+     * by passing null in the |boundIface| param.
+     *
+     * @param boundIface AIDL interface object representing the STA iface if
+     *        the responder must be bound to a specific iface, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    @PropagateAllowBlocking IWifiRttController createRttController(in IWifiStaIface boundIface);
+
+    /**
+     * Create a STA iface on the chip.
+     *
+     * Depending on the mode the chip is configured in, the interface creation
+     * may fail (code: |WifiStatusCode.ERROR_NOT_AVAILABLE|) if we've already
+     * reached the maximum allowed (specified in |ChipIfaceCombination|) number
+     * of ifaces of the STA type.
+     *
+     * @return AIDL interface object representing the iface if
+     *         successful, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    @PropagateAllowBlocking IWifiStaIface createStaIface();
+
+    /**
+     * API to enable/disable alert notifications from the chip.
+     * These alerts must be used to notify the framework of any fatal error events
+     * that the chip encounters via |IWifiChipEventCallback.onDebugErrorAlert| method.
+     * Must fail if |ChipCapabilityMask.DEBUG_ERROR_ALERTS| is not set.
+     *
+     * @param enable true to enable, false to disable.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void enableDebugErrorAlerts(in boolean enable);
+
+    /**
+     * API to flush debug ring buffer data to files.
+     *
+     * Force flush debug ring buffer using IBase::debug.
+     * This API helps to collect firmware/driver/pkt logs.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void flushRingBufferToFile();
+
+    /**
+     * API to force dump data into the corresponding ring buffer.
+     * This is to be invoked during bugreport collection.
+     *
+     * @param ringName Name of the ring for which data collection should
+     *        be forced. This can be retrieved via the corresponding
+     *        |WifiDebugRingBufferStatus|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void forceDumpToDebugRingBuffer(in String ringName);
+
+    /**
+     * Gets an AIDL interface object for the AP Iface corresponding
+     * to the provided ifname.
+     *
+     * @param ifname Name of the iface.
+     * @return AIDL interface object representing the iface if
+     *         it exists, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    @PropagateAllowBlocking IWifiApIface getApIface(in String ifname);
+
+    /**
+     * List all the AP iface names configured on the chip.
+     * The corresponding |IWifiApIface| object for any iface
+     * can be retrieved using the |getApIface| method.
+     *
+     * @return List of all AP iface names on the chip.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    String[] getApIfaceNames();
+
+    /**
+     * Get the set of operation modes that the chip supports.
+     *
+     * @return List of modes supported by the device.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    ChipMode[] getAvailableModes();
+
+    /**
+     * Get the capabilities supported by this chip.
+     *
+     * @return Bitset of |ChipCapabilityMask| values.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    ChipCapabilityMask getCapabilities();
+
+    /**
+     * API to retrieve the wifi wake up reason stats for debugging.
+     * The driver is expected to start maintaining these stats once the chip
+     * is configured using |configureChip|. These stats must be reset whenever
+     * the chip is reconfigured or the HAL is stopped.
+     *
+     * @return Instance of |WifiDebugHostWakeReasonStats|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    WifiDebugHostWakeReasonStats getDebugHostWakeReasonStats();
+
+    /**
+     * The WiFi debug ring buffer life cycle is as follows:
+     * - At initialization, the framework must call |getDebugRingBuffersStatus|.
+     *   to obtain the names and list of supported ring buffers.
+     *   The driver may expose several different rings, each holding a different
+     *   type of data (connection events, power events, etc).
+     * - When WiFi operations start, the framework must call
+     *   |startLoggingToDebugRingBuffer| to trigger log collection for a specific
+     *   ring. The vebose level for each ring buffer can be specified in this API.
+     * - During wifi operations, the driver must periodically report per ring data
+     *   to framework by invoking the
+     *   |IWifiChipEventCallback.onDebugRingBufferDataAvailable| callback.
+     * - When capturing a bug report, the framework must indicate to driver that
+     *   all the data has to be uploaded urgently by calling |forceDumpToDebugRingBuffer|.
+     *
+     * The data uploaded by driver must be stored by the framework in separate files,
+     * with one stream of file per ring. The framework must store the files in pcapng
+     * format, allowing for easy merging and parsing with network analyzer tools.
+     * TODO: Since we're no longer dumping the raw data, storing in separate
+     * pcapng files for parsing later must not work anymore.
+     */
+
+    /*
+     * API to get the status of all ring buffers supported by driver.
+     *
+     * @return Vector of |WifiDebugRingBufferStatus| corresponding to the
+     *         status of each ring buffer on the device.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    WifiDebugRingBufferStatus[] getDebugRingBuffersStatus();
+
+    /**
+     * Get the Id assigned to this chip.
+     *
+     * @return Assigned chip Id.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    int getId();
+
+    /**
+     * Get the current mode that the chip is in.
+     *
+     * @return Mode that the chip is currently configured to,
+     *         corresponding to the Id property of the target ChipMode.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    int getMode();
+
+    /**
+     * Gets an AIDL interface object for the NAN Iface corresponding
+     * to the provided ifname.
+     *
+     * @param ifname Name of the iface.
+     * @return AIDL interface object representing the iface if
+     *         it exists, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    @PropagateAllowBlocking IWifiNanIface getNanIface(in String ifname);
+
+    /**
+     * List all the NAN iface names configured on the chip.
+     * The corresponding |IWifiNanIface| object for any iface can
+     * be retrieved using the |getNanIface| method.
+     *
+     * @return List of all NAN iface names on the chip.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    String[] getNanIfaceNames();
+
+    /**
+     * Gets an AIDL interface object for the P2P Iface corresponding
+     * to the provided ifname.
+     *
+     * @param ifname Name of the iface.
+     * @return AIDL interface object representing the iface if
+     *         it exists, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    @PropagateAllowBlocking IWifiP2pIface getP2pIface(in String ifname);
+
+    /**
+     * List all the P2P iface names configured on the chip.
+     * The corresponding |IWifiP2pIface| object for any iface can
+     * be retrieved using the |getP2pIface| method.
+     *
+     * @return List of all P2P iface names on the chip.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    String[] getP2pIfaceNames();
+
+    /**
+     * Gets an AIDL interface object for the STA Iface corresponding
+     * to the provided ifname.
+     *
+     * @param ifname Name of the iface.
+     * @return AIDL interface object representing the iface if
+     *         it exists, null otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    @PropagateAllowBlocking IWifiStaIface getStaIface(in String ifname);
+
+    /**
+     * List all the STA iface names configured on the chip.
+     * The corresponding |IWifiStaIface| object for any iface can
+     * be retrieved using the |getStaIface| method.
+     *
+     * @param List of all STA iface names on the chip.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    String[] getStaIfaceNames();
+
+    /**
+     * Retrieve the list of all the possible radio combinations supported by this
+     * chip.
+     *
+     * @return A list of all the possible radio combinations represented by
+     *         |WifiRadioCombinationMatrix|.
+     *         For example, in case of a chip which has two radios, where one radio is
+     *         capable of 2.4GHz 2X2 only and another radio which is capable of either
+     *         5GHz or 6GHz 2X2, the number of possible radio combinations in this case
+     *         is 5 and the possible combinations are:
+     *         {{{2G 2X2}}, //Standalone 2G
+     *         {{5G 2X2}}, //Standalone 5G
+     *         {{6G 2X2}}, //Standalone 6G
+     *         {{2G 2X2}, {5G 2X2}}, //2G+5G DBS
+     *         {{2G 2X2}, {6G 2X2}}} //2G+6G DBS
+     *         Note: Since this chip doesn’t support 5G+6G simultaneous operation,
+     *         as there is only one radio which can support both bands, it can only
+     *         do MCC 5G+6G. This table should not get populated with possible MCC
+     *         configurations. This is only for simultaneous radio configurations
+     *         (such as standalone, multi band simultaneous or single band simultaneous).
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.FAILURE_UNKNOWN|
+     *
+     */
+    WifiRadioCombinationMatrix getSupportedRadioCombinationsMatrix();
+
+    /**
+     * Retrieve a list of usable Wifi channels for the specified band &
+     * operational modes.
+     *
+     * The list of usable Wifi channels in a given band depends on factors
+     * like current country code, operational mode (e.g. STA, SAP, WFD-CLI,
+     * WFD-GO, TDLS, NAN) and other restrictons due to DFS, cellular coexistence
+     * and concurrency state of the device.
+     *
+     * @param band |WifiBand| for which list of usable channels is requested.
+     * @param ifaceModeMask Bitmask of the modes represented by |WifiIfaceMode|.
+     *        Bitmask respresents all the modes that the caller is interested
+     *        in (e.g. STA, SAP, CLI, GO, TDLS, NAN). E.g. If the caller is
+     *        interested in knowing usable channels for P2P CLI, P2P GO & NAN,
+     *        ifaceModeMask would be set to
+     *        IFACE_MODE_P2P_CLIENT|IFACE_MODE_P2P_GO|IFACE_MODE_NAN.
+     * @param filterMask Bitmask of filters represented by
+     *        |UsableChannelFilter|. Specifies whether driver should filter
+     *        channels based on additional criteria. If no filter is specified,
+     *        then the driver should return usable channels purely based on
+     *        regulatory constraints.
+     * @return List of channels represented by |WifiUsableChannel|.
+     *         Each entry represents a channel frequency, bandwidth and
+     *         bitmask of modes (e.g. STA, SAP, CLI, GO, TDLS, NAN) that are
+     *         allowed on that channel. E.g. If only STA mode can be supported
+     *         on an indoor channel, only the IFACE_MODE_STA bit would be set
+     *         for that channel. If 5GHz SAP cannot be supported, then none of
+     *         the 5GHz channels will have IFACE_MODE_SOFTAP bit set.
+     *         Note: Bits do not represent concurrency state. Each bit only
+     *         represents whether a particular mode is allowed on that channel.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.FAILURE_UNKNOWN|
+     */
+    WifiUsableChannel[] getUsableChannels(
+            in WifiBand band, in WifiIfaceMode ifaceModeMask, in UsableChannelFilter filterMask);
+
+    /**
+     * Requests notifications of significant events on this chip. Multiple calls
+     * to this must register multiple callbacks, each of which must receive all
+     * events.
+     *
+     * @param callback An instance of the |IWifiChipEventCallback| AIDL interface
+     *        object.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    void registerEventCallback(in IWifiChipEventCallback callback);
+
+    /**
+     * Removes the AP Iface with the provided ifname.
+     * Any further calls on the corresponding |IWifiApIface| AIDL interface
+     * object must fail.
+     *
+     * @param ifname Name of the iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void removeApIface(in String ifname);
+
+    /**
+     * Removes an instance of AP iface with name |ifaceInstanceName| from the
+     * bridge AP with name |brIfaceName|.
+     *
+     * Use the API |removeApIface| with the brIfaceName to remove the bridge iface.
+     *
+     * @param brIfaceName Name of the bridged AP iface.
+     * @param ifaceInstanceName Name of the AP instance. The empty instance is
+     *        invalid.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|
+     */
+    void removeIfaceInstanceFromBridgedApIface(in String brIfaceName, in String ifaceInstanceName);
+
+    /**
+     * Removes the NAN Iface with the provided ifname.
+     * Any further calls on the corresponding |IWifiNanIface| AIDL interface
+     * object must fail.
+     *
+     * @param ifname Name of the iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void removeNanIface(in String ifname);
+
+    /**
+     * Removes the P2P Iface with the provided ifname.
+     * Any further calls on the corresponding |IWifiP2pIface| AIDL interface
+     * object must fail.
+     *
+     * @param ifname Name of the iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void removeP2pIface(in String ifname);
+
+    /**
+     * Removes the STA Iface with the provided ifname.
+     * Any further calls on the corresponding |IWifiStaIface| AIDL interface
+     * object must fail.
+     *
+     * @param ifname Name of the iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void removeStaIface(in String ifname);
+
+    /**
+     * Request information about the chip.
+     *
+     * @return Instance of |ChipDebugInfo|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    ChipDebugInfo requestChipDebugInfo();
+
+    /**
+     * Request vendor debug info from the driver.
+     *
+     * @return Vector of bytes retrieved from the driver.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    byte[] requestDriverDebugDump();
+
+    /**
+     * Request vendor debug info from the firmware.
+     *
+     * @return Vector of bytes retrieved from the firmware.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    byte[] requestFirmwareDebugDump();
+
+    /**
+     * API to reset TX power levels.
+     * This is used to indicate the end of the previously selected TX power
+     * scenario and let the wifi chip fall back to the default power values.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void resetTxPowerScenario();
+
+    /**
+     * API to select one of the preset TX power scenarios.
+     *
+     * The framework must invoke this method with the appropriate scenario to let
+     * the wifi chip change its transmitting power levels.
+     * OEM's should define various power profiles for each of the scenarios
+     * above (defined in |TxPowerScenario|) in a vendor extension.
+     *
+     * @param scenario One of the preselected scenarios defined in
+     *        |TxPowerScenario|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void selectTxPowerScenario(in TxPowerScenario scenario);
+
+    /**
+     * Invoked to indicate that the provided |CoexUnsafeChannels| should be avoided with the
+     * specified restrictions.
+     *
+     * Channel avoidance is a suggestion and should be done on a best-effort approach. If a provided
+     * channel is used, then the specified power cap should be applied.
+     *
+     * In addition, hard restrictions on the Wifi modes may be indicated by |CoexRestriction| bits
+     * (WIFI_DIRECT, SOFTAP, WIFI_AWARE) in the |restrictions| bitfield. If a hard restriction is
+     * provided, then the channels should be completely avoided for the provided Wifi modes instead
+     * of by best-effort.
+     *
+     * @param unsafeChannels List of |CoexUnsafeChannels| to avoid.
+     * @param restrictions Bitset of |CoexRestriction| values indicating Wifi interfaces to
+     *         completely avoid.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     */
+    void setCoexUnsafeChannels(
+            in CoexUnsafeChannel[] unsafeChannels, in CoexRestriction restrictions);
+
+    /**
+     * Set country code for this Wifi chip.
+     *
+     * Country code is global setting across the Wifi chip and not Wifi
+     * interface (STA or AP) specific.
+     *
+     * @param code 2 byte country code (as defined in ISO 3166) to set.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.FAILURE_UNKNOWN|,
+     *         |WifiStatusCode.FAILURE_IFACE_INVALID|
+     */
+    void setCountryCode(in byte[2] code);
+
+    /**
+     * API to set the wifi latency mode
+     *
+     * The latency mode is a hint to the HAL to enable or disable Wi-Fi latency
+     * optimization. The optimization should be enabled if the mode is set to |LOW|
+     * and should be disabled if the mode is set to |NORMAL|.
+     * Wi-Fi latency optimization may trade-off latency against other Wi-Fi
+     * functionality such as scanning, roaming, etc. but it should not result in
+     * completely halting this functionality.
+     *
+     * The low latency mode targets applications such as gaming and virtual reality.
+     */
+    void setLatencyMode(in LatencyMode mode);
+
+    /**
+     * Invoked to indicate that the provided iface is the primary STA iface when more
+     * than 1 STA ifaces are concurrently active.
+     * Notes:
+     * - If the wifi firmware/chip cannot support multiple instances of any offload
+     *   (like roaming, APF, rssi threshold, etc), the firmware should ensure that these
+     *   offloads are at least enabled for the primary interface. If the new primary interface is
+     *   already connected to a network, the firmware must switch all the offloads on
+     *   this new interface without disconnecting.
+     * - When there is only 1 STA interface, the firmware must still retain the last primary
+     *   connection, which must become active the next time multi STA is enabled.
+     *
+     * @param ifname Name of the STA iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void setMultiStaPrimaryConnection(in String ifName);
+
+    /**
+     * Invoked to indicate the STA + STA use-case that is active.
+     *
+     * Refer to documentation of |MultiStaUseCase| for details.
+     *
+     * @param useCase Use case that is active.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    void setMultiStaUseCase(in MultiStaUseCase useCase);
+
+    /**
+     * API to trigger the debug data collection.
+     *
+     * @param ringName Name of the ring for which data collection
+     *        shall start. This can be retrieved via the corresponding
+     *        |WifiDebugRingBufferStatus|.
+     * @param verboseLevel Verbose level for logging.
+     * @parm maxIntervalInSec Maximum interval in seconds for driver to invoke
+     *       |onDebugRingBufferData|, ignore if zero.
+     * @parm minDataSizeInBytes: Minimum data size in buffer for driver to invoke
+     *       |onDebugRingBufferData|, ignore if zero.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void startLoggingToDebugRingBuffer(in String ringName,
+            in WifiDebugRingBufferVerboseLevel verboseLevel, in int maxIntervalInSec,
+            in int minDataSizeInBytes);
+
+    /**
+     * API to stop the debug data collection for all ring buffers.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    void stopLoggingToDebugRingBuffer();
+
+    /**
+     * Trigger subsystem restart.
+     *
+     * If the framework detects a problem (e.g. connection failure),
+     * it must call this function to attempt recovery.
+     *
+     * When the wifi HAL receives |triggerSubsystemRestart|, it must restart
+     * the wlan subsystem, especially the wlan firmware.
+     *
+     * Regarding the callback function for subsystem restart, refer to documentation of
+     * |IWifiEventCallback.onSubsystemRestart| for details.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void triggerSubsystemRestart();
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiChipEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiChipEventCallback.aidl
new file mode 100644
index 0000000..2bc4c0e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiChipEventCallback.aidl
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IfaceType;
+import android.hardware.wifi.WifiBand;
+import android.hardware.wifi.WifiDebugRingBufferStatus;
+import android.hardware.wifi.WifiStatusCode;
+
+/**
+ * Wifi chip event callbacks.
+ */
+@VintfStability
+oneway interface IWifiChipEventCallback {
+    /**
+     * Struct describing the state of each iface operating on the radio chain
+     * (hardware MAC) on the device.
+     */
+    @VintfStability
+    parcelable IfaceInfo {
+        /**
+         * Name of the interface (ex. wlan0).
+         */
+        String name;
+        /**
+         * Wifi channel on which this interface is operating.
+         */
+        int channel;
+    }
+
+    /**
+     * Struct describing the state of each hardware radio chain (hardware MAC)
+     * on the device.
+     */
+    @VintfStability
+    parcelable RadioModeInfo {
+        /**
+         * Identifier for this radio chain. This is vendor dependent and used
+         * only for debugging purposes.
+         */
+        int radioId;
+        /**
+         * List of bands on which this radio chain is operating.
+         * Can be one of:
+         * a) |WifiBand.BAND_24GHZ| => 2.4Ghz.
+         * b) |WifiBand.BAND_5GHZ| => 5Ghz.
+         * c) |WifiBand.BAND_24GHZ_5GHZ| => 2.4Ghz + 5Ghz (Radio is time sharing
+         * across the 2 bands).
+         * d) |WifiBand.BAND_6GHZ| => 6Ghz.
+         * e) |WifiBand.BAND_5GHZ_6GHZ| => 5Ghz + 6Ghz (Radio is time sharing
+         * across the 2 bands).
+         * f) |WifiBand.BAND_24GHZ_5GHZ_6GHZ| => 2.4Ghz + 5Ghz + 6Ghz (Radio is
+         * time sharing across the 3 bands).
+         */
+        WifiBand bandInfo;
+        /**
+         * List of interfaces on this radio chain (hardware MAC).
+         */
+        IfaceInfo[] ifaceInfos;
+    }
+
+    /**
+     * Callback indicating that a chip reconfiguration failed. This is a fatal
+     * error and any iface objects available previously must be considered
+     * invalid. The client can attempt to recover by trying to reconfigure the
+     * chip again using |IWifiChip.configureChip|.
+     *
+     * @param status Failure reason code.
+     */
+    void onChipReconfigureFailure(in WifiStatusCode status);
+
+    /**
+     * Callback indicating that the chip has been reconfigured successfully. At
+     * this point the interfaces available in the mode must be able to be
+     * configured. When this is called, any previous iface objects must be
+     * considered invalid.
+     *
+     * @param modeId The mode that the chip switched to, corresponding to the id
+     *        property of the target ChipMode.
+     */
+    void onChipReconfigured(in int modeId);
+
+    /**
+     * Callback indicating that the chip has encountered a fatal error.
+     * Client must not attempt to parse either the errorCode or debugData.
+     * Must only be captured in a bugreport.
+     *
+     * @param errorCode Vendor defined error code.
+     * @param debugData Vendor defined data used for debugging.
+     */
+    void onDebugErrorAlert(in int errorCode, in byte[] debugData);
+
+    /**
+     * Callbacks for reporting debug ring buffer data.
+     *
+     * The ring buffer data collection is event based:
+     * - Driver calls this callback when new records are available, the
+     *   |WifiDebugRingBufferStatus| passed up to framework in the callback
+     *   indicates to framework if more data is available in the ring buffer.
+     *   It is not expected that driver will necessarily always empty the ring
+     *   immediately as data is available. Instead the driver will report data
+     *   every X seconds, or if N bytes are available, based on the parameters
+     *   set via |startLoggingToDebugRingBuffer|.
+     * - In the case where a bug report has to be captured, the framework will
+     *   require driver to upload all data immediately. This is indicated to
+     *   driver when framework calls |forceDumpToDebugRingBuffer|. The driver
+     *   will start sending all available data in the indicated ring by repeatedly
+     *   invoking this callback.
+     *
+     * @param status Status of the corresponding ring buffer. This should
+     *         contain the name of the ring buffer on which the data is
+     *         available.
+     * @param data Raw bytes of data sent by the driver. Must be dumped
+     *         out to a bugreport and post processed.
+     */
+    void onDebugRingBufferDataAvailable(in WifiDebugRingBufferStatus status, in byte[] data);
+
+    /**
+     * Callback indicating that a new iface has been added to the chip.
+     *
+     * @param type Type of iface added.
+     * @param name Name of iface added.
+     */
+    void onIfaceAdded(in IfaceType type, in String name);
+
+    /**
+     * Callback indicating that an existing iface has been removed from the chip.
+     *
+     * @param type Type of iface removed.
+     * @param name Name of iface removed.
+     */
+    void onIfaceRemoved(in IfaceType type, in String name);
+
+    /**
+     * Indicates a radio mode change.
+     * Radio mode change could be a result of:
+     * a) Bringing up concurrent interfaces (ex. STA + AP).
+     * b) Change in operating band of one of the concurrent interfaces
+     * ( ex. STA connection moved from 2.4G to 5G)
+     *
+     * @param radioModeInfos List of RadioModeInfo structures for each
+     *        radio chain (hardware MAC) on the device.
+     */
+    void onRadioModeChange(in RadioModeInfo[] radioModeInfos);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiEventCallback.aidl
new file mode 100644
index 0000000..761bbf5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiEventCallback.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiStatusCode;
+
+@VintfStability
+oneway interface IWifiEventCallback {
+    /**
+     * Called when the Wi-Fi system failed in a way that caused it be disabled.
+     * Calling start again must restart Wi-Fi as if stop then start was called
+     * (full state reset). When this event is received all IWifiChip & IWifiIface
+     * objects retrieved after the last call to start will be considered invalid.
+     *
+     * @param status Failure reason code.
+     */
+    void onFailure(in WifiStatusCode status);
+
+    /**
+     * Called in response to a call to start indicating that the operation
+     * completed. After this callback the HAL must be fully operational.
+     */
+    void onStart();
+
+    /**
+     * Called in response to a call to stop indicating that the operation
+     * completed. When this event is received all IWifiChip objects retrieved
+     * after the last call to start will be considered invalid.
+     */
+    void onStop();
+
+    /**
+     * Must be called when the Wi-Fi subsystem restart completes.
+     * Once this event is received, framework must fully reset the Wi-Fi stack state.
+     *
+     * @param status Status code.
+     */
+    void onSubsystemRestart(in WifiStatusCode status);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl
new file mode 100644
index 0000000..45644b4
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IWifiNanIfaceEventCallback;
+import android.hardware.wifi.NanConfigRequest;
+import android.hardware.wifi.NanConfigRequestSupplemental;
+import android.hardware.wifi.NanEnableRequest;
+import android.hardware.wifi.NanInitiateDataPathRequest;
+import android.hardware.wifi.NanPublishRequest;
+import android.hardware.wifi.NanRespondToDataPathIndicationRequest;
+import android.hardware.wifi.NanSubscribeRequest;
+import android.hardware.wifi.NanTransmitFollowupRequest;
+
+/**
+ * Interface used to represent a single NAN (Neighbour Aware Network) iface.
+ *
+ * References to "NAN Spec" are to the Wi-Fi Alliance "Wi-Fi Neighbor Awareness
+ * Networking (NAN) Technical Specification".
+ */
+@VintfStability
+interface IWifiNanIface {
+    /**
+     * Minimum length of Passphrase argument for a data-path configuration.
+     */
+    const int MIN_DATA_PATH_CONFIG_PASSPHRASE_LENGTH = 8;
+
+    /**
+     * Maximum length of Passphrase argument for a data-path configuration.
+     */
+    const int MAX_DATA_PATH_CONFIG_PASSPHRASE_LENGTH = 63;
+
+    /**
+     * Get the name of this iface.
+     *
+     * @return Name of this iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    String getName();
+
+    /**
+     * Configures an existing NAN functionality (i.e. assumes
+     * |IWifiNanIface.enableRequest| already submitted and succeeded).
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyConfigResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg1 Instance of |NanConfigRequest|.
+     * @param msg2 Instance of |NanConfigRequestSupplemental|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void configRequest(
+            in char cmdId, in NanConfigRequest msg1, in NanConfigRequestSupplemental msg2);
+
+    /**
+     * Create a NAN Data Interface.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyCreateDataInterfaceResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void createDataInterfaceRequest(in char cmdId, in String ifaceName);
+
+    /**
+     * Delete a NAN Data Interface.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyDeleteDataInterfaceResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void deleteDataInterfaceRequest(in char cmdId, in String ifaceName);
+
+    /**
+     * Disable NAN functionality.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyDisableResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void disableRequest(in char cmdId);
+
+    /**
+     * Configures and activates NAN clustering (does not start
+     * a discovery session or set up data-interfaces or data-paths). Use the
+     * |IWifiNanIface.configureRequest| method to change the configuration of an already enabled
+     * NAN interface.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyEnableResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg1 Instance of |NanEnableRequest|.
+     * @param msg2 Instance of |NanConfigRequestSupplemental|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void enableRequest(
+            in char cmdId, in NanEnableRequest msg1, in NanConfigRequestSupplemental msg2);
+
+    /**
+     * Get NAN capabilities. Asynchronous response is with
+     * |IWifiNanIfaceEventCallback.notifyCapabilitiesResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void getCapabilitiesRequest(in char cmdId);
+
+    /**
+     * Initiate a data-path (NDP) setup operation: Initiator.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyInitiateDataPathResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg Instance of |NanInitiateDataPathRequest|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void initiateDataPathRequest(in char cmdId, in NanInitiateDataPathRequest msg);
+
+    /**
+     * Requests notifications of significant events on this iface. Multiple calls
+     * to this must register multiple callbacks, each of which must receive all
+     * events.
+     *
+     * @param callback An instance of the |IWifiNanIfaceEventCallback| AIDL interface
+     *        object.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    void registerEventCallback(in IWifiNanIfaceEventCallback callback);
+
+    /**
+     * Respond to a received data indication as part of a data-path (NDP) setup operation.
+     * An indication is received by the Responder from the Initiator.
+     * Asynchronous response is with
+     * |IWifiNanIfaceEventCallback.notifyRespondToDataPathIndicationResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg Instance of |NanRespondToDataPathIndicationRequest|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void respondToDataPathIndicationRequest(
+            in char cmdId, in NanRespondToDataPathIndicationRequest msg);
+
+    /**
+     * Publish request to start advertising a discovery service.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyStartPublishResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg Instance of |NanPublishRequest|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startPublishRequest(in char cmdId, in NanPublishRequest msg);
+
+    /**
+     * Subscribe request to start searching for a discovery service.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyStartSubscribeResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg Instance of |NanSubscribeRequest|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startSubscribeRequest(in char cmdId, in NanSubscribeRequest msg);
+
+    /**
+     * Stop publishing a discovery service.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyStopPublishResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param sessionId ID of the publish discovery session to be stopped.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void stopPublishRequest(in char cmdId, in byte sessionId);
+
+    /**
+     * Stop subscribing to a discovery service.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyStopSubscribeResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param sessionId ID of the subscribe discovery session to be stopped.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void stopSubscribeRequest(in char cmdId, in byte sessionId);
+
+    /**
+     * Data-path (NDP) termination request. Executed by either Initiator or Responder.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyTerminateDataPathResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param ndpInstanceId Data-path instance ID to be terminated.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void terminateDataPathRequest(in char cmdId, in int ndpInstanceId);
+
+    /**
+     * NAN transmit follow up message request.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyTransmitFollowupResponse|.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param msg Instance of |NanTransmitFollowupRequest|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void transmitFollowupRequest(in char cmdId, in NanTransmitFollowupRequest msg);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl
new file mode 100644
index 0000000..470b7ba
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl
@@ -0,0 +1,322 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanCapabilities;
+import android.hardware.wifi.NanClusterEventInd;
+import android.hardware.wifi.NanDataPathConfirmInd;
+import android.hardware.wifi.NanDataPathRequestInd;
+import android.hardware.wifi.NanDataPathScheduleUpdateInd;
+import android.hardware.wifi.NanFollowupReceivedInd;
+import android.hardware.wifi.NanMatchInd;
+import android.hardware.wifi.NanStatus;
+
+/**
+ * NAN Response and Asynchronous Event Callbacks.
+ *
+ * References to "NAN Spec" are to the Wi-Fi Alliance "Wi-Fi Neighbor Awareness
+ * Networking (NAN) Technical Specification".
+ */
+@VintfStability
+oneway interface IWifiNanIfaceEventCallback {
+    /**
+     * Callback indicating that a cluster event has been received.
+     *
+     * @param event NanClusterEventInd containing event details.
+     */
+    void eventClusterEvent(in NanClusterEventInd event);
+
+    /**
+     * Callback indicating that a data-path (NDP) setup has been completed.
+     * Received by both Initiator and Responder.
+     *
+     * @param event NanDataPathConfirmInd containing event details.
+     */
+    void eventDataPathConfirm(in NanDataPathConfirmInd event);
+
+    /**
+     * Callback indicating that a data-path (NDP) setup has been requested by
+     * an Initiator peer (received by the intended Responder).
+     *
+     * @param event NanDataPathRequestInd containing event details.
+     */
+    void eventDataPathRequest(in NanDataPathRequestInd event);
+
+    /**
+     * Callback indicating that a data-path (NDP) schedule has been updated
+     * (e.g. channels have been changed).
+     *
+     * @param event NanDataPathScheduleUpdateInd containing event details.
+     */
+    void eventDataPathScheduleUpdate(in NanDataPathScheduleUpdateInd event);
+
+    /**
+     * Callback indicating that a list of data-paths (NDP) have been terminated.
+     * Received by both Initiator and Responder.
+     *
+     * @param ndpInstanceId Data-path ID of the terminated data-path.
+     */
+    void eventDataPathTerminated(in int ndpInstanceId);
+
+    /**
+     * Callback indicating that a NAN has been disabled.
+     *
+     * @param status NanStatus describing the reason for the disable event.
+     *               Possible status codes are:
+     *               |NanStatusCode.SUCCESS|
+     *               |NanStatusCode.UNSUPPORTED_CONCURRENCY_NAN_DISABLED|
+     */
+    void eventDisabled(in NanStatus status);
+
+    /**
+     * Callback indicating that a followup message has been received from a peer.
+     *
+     * @param event NanFollowupReceivedInd containing event details.
+     */
+    void eventFollowupReceived(in NanFollowupReceivedInd event);
+
+    /**
+     * Callback indicating that a match has occurred: i.e. a service has been
+     * discovered.
+     *
+     * @param event NanMatchInd containing event details.
+     */
+    void eventMatch(in NanMatchInd event);
+
+    /**
+     * Callback indicating that a previously discovered match (service) has expired.
+     *
+     * @param discoverySessionId Discovery session ID of the expired match.
+     * @param peerId Peer ID of the expired match.
+     */
+    void eventMatchExpired(in byte discoverySessionId, in int peerId);
+
+    /**
+     * Callback indicating that an active publish session has terminated.
+     *
+     * @param sessionId Discovery session ID of the terminated session.
+     * @param status NanStatus describing the reason for the session termination.
+     *               Possible status codes are:
+     *               |NanStatusCode.SUCCESS|
+     */
+    void eventPublishTerminated(in byte sessionId, in NanStatus status);
+
+    /**
+     * Callback indicating that an active subscribe session has terminated.
+     *
+     * @param sessionId Discovery session ID of the terminated session.
+     * @param status NanStatus describing the reason for the session termination.
+     *               Possible status codes are:
+     *               |NanStatusCode.SUCCESS|
+     */
+    void eventSubscribeTerminated(in byte sessionId, in NanStatus status);
+
+    /**
+     * Callback providing status on a completed followup message transmit operation.
+     *
+     * @param cmdId Command Id corresponding to the original |transmitFollowupRequest| request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *               |NanStatusCode.SUCCESS|
+     *               |NanStatusCode.NO_OTA_ACK|
+     *               |NanStatusCode.PROTOCOL_FAILURE|
+     */
+    void eventTransmitFollowup(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a capability request
+     * |IWifiNanIface.getCapabilitiesRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     * @param capabilities Capability data.
+     */
+    void notifyCapabilitiesResponse(
+            in char id, in NanStatus status, in NanCapabilities capabilities);
+
+    /**
+     * Callback invoked in response to a config request |IWifiNanIface.configRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     */
+    void notifyConfigResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a create data interface request
+     * |IWifiNanIface.createDataInterfaceRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     */
+    void notifyCreateDataInterfaceResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a delete data interface request
+     * |IWifiNanIface.deleteDataInterfaceRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     */
+    void notifyDeleteDataInterfaceResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a disable request |IWifiNanIface.disableRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     */
+    void notifyDisableResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to an enable request |IWifiNanIface.enableRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.ALREADY_ENABLED|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.NAN_NOT_ALLOWED|
+     */
+    void notifyEnableResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to an initiate data path request
+     * |IWifiNanIface.initiateDataPathRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.INVALID_PEER_ID|
+     * @param ndpInstanceId ID of the new data path being negotiated (on successful status).
+     */
+    void notifyInitiateDataPathResponse(in char id, in NanStatus status, in int ndpInstanceId);
+
+    /**
+     * Callback invoked in response to a respond to data path indication request
+     * |IWifiNanIface.respondToDataPathIndicationRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.INVALID_NDP_ID|
+     */
+    void notifyRespondToDataPathIndicationResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked to notify the status of the start publish request
+     * |IWifiNanIface.startPublishRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.NO_RESOURCES_AVAILABLE|
+     *        |NanStatusCode.INVALID_SESSION_ID|
+     * @param sessionId ID of the new publish session (if successfully created).
+     */
+    void notifyStartPublishResponse(in char id, in NanStatus status, in byte sessionId);
+
+    /**
+     * Callback invoked to notify the status of the start subscribe request
+     * |IWifiNanIface.startSubscribeRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.NO_RESOURCES_AVAILABLE|
+     *        |NanStatusCode.INVALID_SESSION_ID|
+     * @param sessionId ID of the new subscribe session (if successfully created).
+     */
+    void notifyStartSubscribeResponse(in char id, in NanStatus status, in byte sessionId);
+
+    /**
+     * Callback invoked in response to a stop publish request
+     * |IWifiNanIface.stopPublishRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_SESSION_ID|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     */
+    void notifyStopPublishResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a stop subscribe request
+     * |IWifiNanIface.stopSubscribeRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_SESSION_ID|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     */
+    void notifyStopSubscribeResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a terminate data path request
+     * |IWifiNanIface.terminateDataPathRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.PROTOCOL_FAILURE|
+     *        |NanStatusCode.INVALID_NDP_ID|
+     */
+    void notifyTerminateDataPathResponse(in char id, in NanStatus status);
+
+    /**
+     * Callback invoked in response to a transmit followup request
+     * |IWifiNanIface.transmitFollowupRequest|.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param status NanStatus of the operation. Possible status codes are:
+     *        |NanStatusCode.SUCCESS|
+     *        |NanStatusCode.INVALID_ARGS|
+     *        |NanStatusCode.INTERNAL_FAILURE|
+     *        |NanStatusCode.INVALID_SESSION_ID|
+     *        |NanStatusCode.INVALID_PEER_ID|
+     *        |NanStatusCode.FOLLOWUP_TX_QUEUE_FULL|
+     */
+    void notifyTransmitFollowupResponse(in char id, in NanStatus status);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiP2pIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiP2pIface.aidl
new file mode 100644
index 0000000..287f41d
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiP2pIface.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Interface used to represent a single P2P iface.
+ */
+@VintfStability
+interface IWifiP2pIface {
+    /**
+     * Get the name of this iface.
+     *
+     * @return Name of this iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    String getName();
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiRttController.aidl b/wifi/aidl/android/hardware/wifi/IWifiRttController.aidl
new file mode 100644
index 0000000..99e1a81
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiRttController.aidl
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IWifiRttControllerEventCallback;
+import android.hardware.wifi.IWifiStaIface;
+import android.hardware.wifi.MacAddress;
+import android.hardware.wifi.RttCapabilities;
+import android.hardware.wifi.RttConfig;
+import android.hardware.wifi.RttLciInformation;
+import android.hardware.wifi.RttLcrInformation;
+import android.hardware.wifi.RttResponder;
+import android.hardware.wifi.WifiChannelInfo;
+
+/**
+ * Interface used to perform RTT (Round trip time) operations.
+ */
+@VintfStability
+interface IWifiRttController {
+    /**
+     * Disable RTT responder mode.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void disableResponder(in int cmdId);
+
+    /**
+     * Enable RTT responder mode.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @parm channelHint Hint for the channel information where RTT responder
+     *       must be enabled on.
+     * @param maxDurationInSeconds Timeout of responder mode.
+     * @param info Instance of |RttResponderInfo|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void enableResponder(in int cmdId, in WifiChannelInfo channelHint, in int maxDurationInSeconds,
+            in RttResponder info);
+
+    /**
+     * Get the iface on which the RTT operations must be performed.
+     *
+     * @return AIDL interface object representing the iface if bound
+     *         to a specific iface, null otherwise
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|
+     */
+    IWifiStaIface getBoundIface();
+
+    /**
+     * RTT capabilities of the device.
+     *
+     * @return Instance of |RttCapabilities|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    RttCapabilities getCapabilities();
+
+    /**
+     * Get RTT responder information (e.g. WiFi channel) to enable responder on.
+     *
+     * @return Instance of |RttResponderInfo|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    RttResponder getResponderInfo();
+
+    /**
+     * API to cancel RTT measurements.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param addrs Vector of addresses for which to cancel.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void rangeCancel(in int cmdId, in MacAddress[] addrs);
+
+    /**
+     * API to request RTT measurement.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param rttConfigs Vector of |RttConfig| parameters.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void rangeRequest(in int cmdId, in RttConfig[] rttConfigs);
+
+    /**
+     * Requests notifications of significant events on this RTT controller.
+     * Multiple calls to this must register multiple callbacks, each of which
+     * must receive all events.
+     *
+     * @param callback An instance of the |IWifiRttControllerEventCallback| AIDL
+     *        interface object.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    void registerEventCallback(in IWifiRttControllerEventCallback callback);
+
+    /**
+     * API to configure the LCI (Location civic information).
+     * Used in RTT Responder mode only.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param lci Instance of |RttLciInformation|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setLci(in int cmdId, in RttLciInformation lci);
+
+    /**
+     * API to configure the LCR (Location civic records).
+     * Used in RTT Responder mode only.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param lcr Instance of |RttLcrInformation|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setLcr(in int cmdId, in RttLcrInformation lcr);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiRttControllerEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiRttControllerEventCallback.aidl
new file mode 100644
index 0000000..89f0ed8
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiRttControllerEventCallback.aidl
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttResult;
+
+/**
+ * RTT Response and Event Callbacks.
+ */
+@VintfStability
+oneway interface IWifiRttControllerEventCallback {
+    /**
+     * Invoked when an RTT result is available.
+     *
+     * @param cmdId Command Id corresponding to the original request.
+     * @param results Vector of |RttResult| instances.
+     */
+    void onResults(in int cmdId, in RttResult[] results);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
new file mode 100644
index 0000000..2dd57b2
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
@@ -0,0 +1,555 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.IWifiStaIfaceEventCallback;
+import android.hardware.wifi.StaApfPacketFilterCapabilities;
+import android.hardware.wifi.StaBackgroundScanCapabilities;
+import android.hardware.wifi.StaBackgroundScanParameters;
+import android.hardware.wifi.StaLinkLayerStats;
+import android.hardware.wifi.StaRoamingCapabilities;
+import android.hardware.wifi.StaRoamingConfig;
+import android.hardware.wifi.StaRoamingState;
+import android.hardware.wifi.WifiBand;
+import android.hardware.wifi.WifiDebugRxPacketFateReport;
+import android.hardware.wifi.WifiDebugTxPacketFateReport;
+
+/**
+ * Interface used to represent a single STA iface.
+ */
+@VintfStability
+interface IWifiStaIface {
+    /**
+     * Mask of capabilities supported by this iface.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum StaIfaceCapabilityMask {
+        /**
+         * Support for APF APIs. APF (Android Packet Filter) is a
+         * BPF-like packet filtering bytecode executed by the firmware.
+         */
+        APF = 1 << 0,
+        /**
+         * Support for Background Scan APIs. Background scan allows the host
+         * to send a number of buckets down to the firmware. Each bucket
+         * contains a set of channels, a period, and some parameters about
+         * how and when to report results.
+         */
+        BACKGROUND_SCAN = 1 << 1,
+        /**
+         * Support for link layer stats APIs.
+         */
+        LINK_LAYER_STATS = 1 << 2,
+        /**
+         * Support for RSSI monitor APIs.
+         */
+        RSSI_MONITOR = 1 << 3,
+        /**
+         * Support for roaming APIs.
+         */
+        CONTROL_ROAMING = 1 << 4,
+        /**
+         * Support for Probe IE allow-listing.
+         */
+        PROBE_IE_ALLOWLIST = 1 << 5,
+        /**
+         * Support for MAC & Probe Sequence Number randomization.
+         */
+        SCAN_RAND = 1 << 6,
+        /**
+         * Support for 5 GHz Band.
+         */
+        STA_5G = 1 << 7,
+        /**
+         * Support for GAS/ANQP queries.
+         */
+        HOTSPOT = 1 << 8,
+        /**
+         * Support for Preferred Network Offload.
+         */
+        PNO = 1 << 9,
+        /**
+         * Support for Tunneled Direct Link Setup.
+         */
+        TDLS = 1 << 10,
+        /**
+         * Support for Tunneled Direct Link Setup off channel.
+         */
+        TDLS_OFFCHANNEL = 1 << 11,
+        /**
+         * Support for neighbour discovery offload.
+         */
+        ND_OFFLOAD = 1 << 12,
+        /**
+         * Support for keep alive packet offload.
+         */
+        KEEP_ALIVE = 1 << 13,
+        /**
+         * Support for tracking connection packets' fate.
+         */
+        DEBUG_PACKET_FATE = 1 << 14,
+    }
+
+    /**
+     * Get the name of this iface.
+     *
+     * @return Name of this iface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    String getName();
+
+    /**
+     * Configure roaming control parameters.
+     * Must fail if |StaIfaceCapabilityMask.CONTROL_ROAMING| is not set.
+     *
+     * @param config Instance of |StaRoamingConfig|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void configureRoaming(in StaRoamingConfig config);
+
+    /**
+     * Disable link layer stats collection.
+     * Must fail if |StaIfaceCapabilityMask.LINK_LAYER_STATS| is not set.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void disableLinkLayerStatsCollection();
+
+    /**
+     * Enable link layer stats collection.
+     * Must fail if |StaIfaceCapabilityMask.LINK_LAYER_STATS| is not set.
+     *
+     * Radio statistics (once started) must not stop until disabled.
+     * Iface statistics (once started) reset and start afresh after each
+     * connection until disabled.
+     *
+     * @param debug true to enable field debug mode, false to disable. Driver
+     *        must collect all statistics regardless of performance impact.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void enableLinkLayerStatsCollection(in boolean debug);
+
+    /**
+     * Enable/Disable neighbour discovery offload functionality in the firmware.
+     *
+     * @param enable true to enable, false to disable.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void enableNdOffload(in boolean enable);
+
+    /**
+     * Used to query additional information about the chip's APF capabilities.
+     * Must fail if |StaIfaceCapabilityMask.APF| is not set.
+     *
+     * @return Instance of |StaApfPacketFilterCapabilities|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    StaApfPacketFilterCapabilities getApfPacketFilterCapabilities();
+
+    /**
+     * Used to query additional information about the chip's Background Scan capabilities.
+     * Must fail if |StaIfaceCapabilityMask.BACKGROUND_SCAN| is not set.
+     *
+     * @return Instance of |StaBackgroundScanCapabilities|
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    StaBackgroundScanCapabilities getBackgroundScanCapabilities();
+
+    /**
+     * Get the capabilities supported by this STA iface.
+     *
+     * @return Bitset of |StaIfaceCapabilityMask| values.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    StaIfaceCapabilityMask getCapabilities();
+
+    /**
+     * API to retrieve the fates of inbound packets.
+     * - HAL implementation must return the fates of
+     *   all the frames received for the most recent association.
+     *   The fate reports must follow the same order as their respective
+     *   packets.
+     * - HAL implementation may choose (but is not required) to include
+     *   reports for management frames.
+     * - Packets reported by firmware, but not recognized by driver,
+     *   must be included. However, the ordering of the corresponding
+     *   reports is at the discretion of HAL implementation.
+     * - Framework must be able to call this API multiple times for the same
+     *   association.
+     *
+     * @return Vector of |WifiDebugRxPacketFateReport| instances corresponding
+     *         to the packet fates.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    WifiDebugRxPacketFateReport[] getDebugRxPacketFates();
+
+    /**
+     * API to retrieve fates of outbound packets.
+     * - HAL implementation must return the fates of
+     *   all the frames transmitted for the most recent association.
+     *   The fate reports must follow the same order as their respective
+     *   packets.
+     * - HAL implementation may choose (but is not required) to include
+     *   reports for management frames.
+     * - Packets reported by firmware, but not recognized by driver,
+     *   must be included. However, the ordering of the corresponding
+     *   reports is at the discretion of HAL implementation.
+     * - Framework must be able to call this API multiple times for the same
+     *   association.
+     *
+     * @return Vector of |WifiDebugTxPacketFateReport| instances corresponding
+     *         to the packet fates.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    WifiDebugTxPacketFateReport[] getDebugTxPacketFates();
+
+    /**
+     * Gets the factory MAC address of the STA interface.
+     *
+     * @return Factory MAC address of the STA interface.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    byte[6] getFactoryMacAddress();
+
+    /**
+     * Retrieve the latest link layer stats.
+     * Must fail if |StaIfaceCapabilityMask.LINK_LAYER_STATS| is not set or if
+     * link layer stats collection hasn't been explicitly enabled.
+     *
+     * @return Instance of |LinkLayerStats|.
+     * @throws ServiceSpecificException with one of the following values:
+     *     |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *     |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *     |WifiStatusCode.ERROR_NOT_STARTED|,
+     *     |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *     |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    StaLinkLayerStats getLinkLayerStats();
+
+    /**
+     * Get roaming control capabilities.
+     * Must fail if |StaIfaceCapabilityMask.CONTROL_ROAMING| is not set.
+     *
+     * @return Instance of |StaRoamingCapabilities|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    StaRoamingCapabilities getRoamingCapabilities();
+
+    /**
+     * Used to query the list of valid frequencies (depending on the country
+     * code set) for the provided band. These channels may be specified in the
+     * |BackgroundScanBucketParameters.frequenciesInMhz| for a background scan
+     * request.
+     *
+     * @param band Band for which the frequency list is being generated.
+     * @return Vector of valid frequencies for the provided band.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    int[] getValidFrequenciesForBand(in WifiBand band);
+
+    /**
+     * Installs an APF program on this iface, replacing an existing
+     * program if present.
+     * Must fail if |StaIfaceCapabilityMask.APF| is not set.
+     *
+     * APF docs
+     * ==========================================================================
+     * APF functionality, instructions and bytecode/binary format is described in:
+     * http://android.googlesource.com/platform/hardware/google/apf/
+     * +/b75c9f3714cfae3dad3d976958e063150781437e/apf.h
+     *
+     * The interpreter API is described here:
+     * http://android.googlesource.com/platform/hardware/google/apf/+/
+     * b75c9f3714cfae3dad3d976958e063150781437e/apf_interpreter.h#32
+     *
+     * The assembler/generator API is described in javadocs here:
+     * http://android.googlesource.com/platform/frameworks/base/+/
+     * 4456f33a958a7f09e608399da83c4d12b2e7d191/services/net/java/android/net/
+     * apf/ApfGenerator.java
+     *
+     * Disassembler usage is described here:
+     * http://android.googlesource.com/platform/hardware/google/apf/+/
+     * b75c9f3714cfae3dad3d976958e063150781437e/apf_disassembler.c#65
+     *
+     * The BPF to APF translator usage is described here:
+     * http://android.googlesource.com/platform/frameworks/base/+/
+     * 4456f33a958a7f09e608399da83c4d12b2e7d191/tests/net/java/android/net/
+     * apf/Bpf2Apf.java
+     * ==========================================================================
+     *
+     * @param program APF Program to be set.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void installApfPacketFilter(in byte[] program);
+
+    /**
+     * Fetches a consistent snapshot of the entire APF program and working
+     * memory buffer and returns it to the host. The returned buffer contains
+     * both code and data. Its length must match the most recently returned
+     * |StaApfPacketFilterCapabilities.maxLength|.
+     *
+     * While the snapshot is being fetched, the APF interpreter must not execute
+     * and all incoming packets must be passed to the host as if there was no
+     * APF program installed.
+     *
+     * Must fail with |WifiStatusCode.ERROR_NOT_SUPPORTED| if
+     * |StaIfaceCapabilityMask.APF| is not set.
+     *
+     * @return The entire APF working memory buffer when status is
+     *         |WifiStatusCode.SUCCESS|, empty otherwise.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     * @see getApfPacketFilterCapabilities()
+     * @see installApfPacketFilter()
+     */
+    byte[] readApfPacketFilterData();
+
+    /**
+     * Requests notifications of significant events on this iface. Multiple calls
+     * to this must register multiple callbacks, each of which must receive all
+     * events.
+     *
+     * @param callback An instance of the |IWifiStaIfaceEventCallback| AIDL
+     *        interface object.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
+     */
+    void registerEventCallback(in IWifiStaIfaceEventCallback callback);
+
+    /**
+     * Changes the MAC address of the STA Interface to the given
+     * MAC address.
+     *
+     * @param mac MAC address to change to.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setMacAddress(in byte[6] mac);
+
+    /**
+     * Set the roaming control state with the parameters configured
+     * using |configureRoaming|. Depending on the roaming state set, the
+     * driver/firmware would enable/disable control over roaming decisions.
+     * Must fail if |StaIfaceCapabilityMask.CONTROL_ROAMING| is not set.
+     *
+     * @param state State of the roaming control.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_BUSY|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setRoamingState(in StaRoamingState state);
+
+    /**
+     * Turn on/off scan only mode for the interface.
+     *
+     * @param enable True to enable scan only mode, false to disable.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.FAILURE_UNKNOWN|
+     */
+    void setScanMode(in boolean enable);
+
+    /**
+     * Start a background scan using the given cmdId as an identifier. Only one
+     * active background scan need be supported.
+     * Must fail if |StaIfaceCapabilityMask.BACKGROUND_SCAN| is not set.
+     *
+     * When this is called all requested buckets must be scanned, starting the
+     * beginning of the cycle.
+     *
+     * For example:
+     * If there are two buckets specified
+     *  - Bucket 1: period=10s
+     *  - Bucket 2: period=20s
+     *  - Bucket 3: period=30s
+     * Then the following scans must occur
+     *  - t=0  buckets 1, 2, and 3 are scanned
+     *  - t=10 bucket 1 is scanned
+     *  - t=20 bucket 1 and 2 are scanned
+     *  - t=30 bucket 1 and 3 are scanned
+     *  - t=40 bucket 1 and 2 are scanned
+     *  - t=50 bucket 1 is scanned
+     *  - t=60 buckets 1, 2, and 3 are scanned
+     *  - and the pattern repeats
+     *
+     * If any scan does not occur or is incomplete (error, interrupted, etc),
+     * then a cached scan result must still be recorded with the
+     * WIFI_SCAN_FLAG_INTERRUPTED flag set.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param params Background scan parameters.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startBackgroundScan(in int cmdId, in StaBackgroundScanParameters params);
+
+    /**
+     * API to start packet fate monitoring.
+     * - Once started, monitoring must remain active until HAL is stopped or the
+     *   chip is reconfigured.
+     * - When HAL is unloaded, all packet fate buffers must be cleared.
+     * - The packet fates are used to monitor the state of packets transmitted/
+     *   received during association.
+     *
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startDebugPacketFateMonitoring();
+
+    /**
+     * Start RSSI monitoring on the currently connected access point.
+     * Once the monitoring is enabled, the
+     * |IWifiStaIfaceEventCallback.onRssiThresholdBreached| callback must be
+     * invoked to indicate if the RSSI goes above |maxRssi| or below |minRssi|.
+     * Must fail if |StaIfaceCapabilityMask.RSSI_MONITOR| is not set.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param maxRssi Maximum RSSI threshold.
+     * @param minRssi Minimum RSSI threshold.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_ARGS_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startRssiMonitoring(in int cmdId, in int maxRssi, in int minRssi);
+
+    /**
+     * Start sending the specified keep alive packets periodically.
+     *
+     * @param cmdId Command Id to use for this invocation.
+     * @param ipPacketData IP packet contents to be transmitted.
+     * @param etherType 16 bit ether type to be set in the ethernet frame
+     *        transmitted.
+     * @param srcAddress Source MAC address of the packet.
+     * @param dstAddress Destination MAC address of the packet.
+     * @param periodInMs Interval at which this packet must be transmitted.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void startSendingKeepAlivePackets(in int cmdId, in byte[] ipPacketData, in char etherType,
+            in byte[6] srcAddress, in byte[6] dstAddress, in int periodInMs);
+
+    /**
+     * Stop the current background scan.
+     * Must fail if |StaIfaceCapabilityMask.BACKGROUND_SCAN| is not set.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void stopBackgroundScan(in int cmdId);
+
+    /**
+     * Stop RSSI monitoring.
+     * Must fail if |StaIfaceCapabilityMask.RSSI_MONITOR| is not set.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_STARTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void stopRssiMonitoring(in int cmdId);
+
+    /**
+     * Stop sending the specified keep alive packets.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void stopSendingKeepAlivePackets(in int cmdId);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiStaIfaceEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiStaIfaceEventCallback.aidl
new file mode 100644
index 0000000..93a255f
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IWifiStaIfaceEventCallback.aidl
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaScanData;
+import android.hardware.wifi.StaScanResult;
+
+@VintfStability
+oneway interface IWifiStaIfaceEventCallback {
+    /**
+     * Called for each received beacon/probe response for a scan with the
+     * |REPORT_EVENTS_FULL_RESULTS| flag set in
+     * |StaBackgroundScanBucketParameters.eventReportScheme|.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @param bucketsScanned Bitset where each bit indicates if the bucket with
+     *        that index (starting at 0) was scanned.
+     * @param result Full scan result for an AP.
+     */
+    void onBackgroundFullScanResult(in int cmdId, in int bucketsScanned, in StaScanResult result);
+
+    /**
+     * Callback indicating that an ongoing background scan request has failed.
+     * The background scan needs to be restarted to continue scanning.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     */
+    void onBackgroundScanFailure(in int cmdId);
+
+    /**
+     * Called when the |StaBackgroundScanBucketParameters.eventReportScheme| flags
+     * for at least one bucket that was just scanned was
+     * |REPORT_EVENTS_EACH_SCAN|, or one of the configured thresholds was
+     * breached.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @param scanDatas List of scan result for all AP's seen since last callback.
+     */
+    void onBackgroundScanResults(in int cmdId, in StaScanData[] scanDatas);
+
+    /**
+     * Called when the RSSI of the currently connected access point goes beyond the
+     * thresholds set via |IWifiStaIface.startRssiMonitoring|.
+     *
+     * @param cmdId Command Id corresponding to the request.
+     * @param currBssid BSSID of the currently connected access point.
+     * @param currRssi RSSI of the currently connected access point.
+     */
+    void onRssiThresholdBreached(in int cmdId, in byte[6] currBssid, in int currRssi);
+}
diff --git a/wifi/aidl/android/hardware/wifi/IfaceConcurrencyType.aidl b/wifi/aidl/android/hardware/wifi/IfaceConcurrencyType.aidl
new file mode 100644
index 0000000..26c183c
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IfaceConcurrencyType.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * List of interface concurrency types, used in reporting device concurrency capabilities.
+ */
+@VintfStability
+@Backing(type="int")
+enum IfaceConcurrencyType {
+    /**
+     * Concurrency type for station mode.
+     */
+    STA,
+    /**
+     * Concurrency type of single-port AP mode.
+     */
+    AP,
+    /**
+     * Concurrency type of two-port bridged AP mode.
+     */
+    AP_BRIDGED,
+    /**
+     * Concurrency type of peer-to-peer mode.
+     */
+    P2P,
+    /**
+     * Concurrency type of neighborhood area network mode.
+     */
+    NAN_IFACE,
+}
diff --git a/wifi/aidl/android/hardware/wifi/IfaceType.aidl b/wifi/aidl/android/hardware/wifi/IfaceType.aidl
new file mode 100644
index 0000000..c89d94b
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/IfaceType.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * List of supported interface types.
+ */
+@VintfStability
+@Backing(type="int")
+enum IfaceType {
+    STA,
+    AP,
+    P2P,
+    /**
+     * NAN control interface. Datapath support must be queried and created
+     * through this interface. Declared as 'NAN_IFACE' instead of 'NAN'
+     * because the compiler complains that NAN is already defined by math.h
+     */
+    NAN_IFACE,
+}
diff --git a/wifi/aidl/android/hardware/wifi/MacAddress.aidl b/wifi/aidl/android/hardware/wifi/MacAddress.aidl
new file mode 100644
index 0000000..d59dfe3
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/MacAddress.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Byte array representing a Mac Address. Use when we need to
+ * pass an array of Mac Addresses to a method, as variable-sized
+ * 2D arrays are not supported in AIDL.
+ *
+ * TODO (b/210705533): Replace this type with a 2D byte array.
+ */
+@VintfStability
+parcelable MacAddress {
+    byte[6] data;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanBandIndex.aidl b/wifi/aidl/android/hardware/wifi/NanBandIndex.aidl
new file mode 100644
index 0000000..5da5869
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanBandIndex.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * The discovery bands supported by NAN.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanBandIndex {
+    NAN_BAND_24GHZ = 0,
+    NAN_BAND_5GHZ,
+    /**
+     * Index for 6 GHz band.
+     */
+    NAN_BAND_6GHZ = 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanBandSpecificConfig.aidl b/wifi/aidl/android/hardware/wifi/NanBandSpecificConfig.aidl
new file mode 100644
index 0000000..2e13486
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanBandSpecificConfig.aidl
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN band-specific configuration.
+ */
+@VintfStability
+parcelable NanBandSpecificConfig {
+    /**
+     * RSSI values controlling clustering behavior per spec. RSSI values are specified without a
+     * sign, e.g. a value of -65dBm would be specified as 65.
+     */
+    byte rssiClose;
+    byte rssiMiddle;
+    /**
+     * RSSI value determining whether discovery is near (used if enabled in discovery by
+     * |NanDiscoveryCommonConfig.useRssiThreshold|).
+     * RSSI values are specified without a sign, e.g. a value of -65dBm would be specified as 65.
+     * NAN Spec: RSSI_close_proximity
+     */
+    byte rssiCloseProximity;
+    /**
+     * Dwell time of each discovery channel in milliseconds. If set to 0, then the firmware
+     * determines the dwell time to use.
+     */
+    char dwellTimeMs;
+    /**
+     * Scan period of each discovery channel in seconds. If set to 0, then the firmware determines
+     * the scan period to use.
+     */
+    char scanPeriodSec;
+    /**
+     * Specifies the discovery window interval for Sync beacons and SDF's.
+     * Valid values of DW Interval are: 1, 2, 3, 4 and 5 corresponding to 1, 2, 4, 8, and 16 DWs.
+     * Value of 0:
+     *  - reserved in 2.4GHz band
+     *  - no wakeup at all in 5GHz band
+     * The publish/subscribe period values don't override the device level configurations if
+     * they are specified.
+     * Configuration is only used only if |validDiscoveryWindowIntervalVal| is set to true.
+     * NAN Spec: Device Capability Attribute / 2.4 GHz DW, Device Capability Attribute / 5 GHz DW
+     */
+    boolean validDiscoveryWindowIntervalVal;
+    byte discoveryWindowIntervalVal;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
new file mode 100644
index 0000000..6042a05
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanCipherSuiteType;
+
+/**
+ * NDP Capabilities response.
+ */
+@VintfStability
+parcelable NanCapabilities {
+    /**
+     * Maximum number of clusters which the device can join concurrently.
+     */
+    int maxConcurrentClusters;
+    /**
+     * Maximum number of concurrent publish discovery sessions.
+     */
+    int maxPublishes;
+    /**
+     * Maximum number of concurrent subscribe discovery sessions.
+     */
+    int maxSubscribes;
+    /**
+     * Maximum length (in bytes) of service name.
+     */
+    int maxServiceNameLen;
+    /**
+     * Maximum length (in bytes) of individual match filters.
+     */
+    int maxMatchFilterLen;
+    /**
+     * Maximum length (in bytes) of aggregate match filters across all active sessions.
+     */
+    int maxTotalMatchFilterLen;
+    /**
+     * Maximum length (in bytes) of the service specific info field.
+     */
+    int maxServiceSpecificInfoLen;
+    /**
+     * Maximum length (in bytes) of the extended service specific info field.
+     */
+    int maxExtendedServiceSpecificInfoLen;
+    /**
+     * Maximum number of data interfaces (NDI) which can be created concurrently on the device.
+     */
+    int maxNdiInterfaces;
+    /**
+     * Maximum number of data paths (NDP) which can be created concurrently on the device, across
+     * all data interfaces (NDI).
+     */
+    int maxNdpSessions;
+    /**
+     * Maximum length (in bytes) of application info field (used in data-path negotiations).
+     */
+    int maxAppInfoLen;
+    /**
+     * Maximum number of transmitted followup messages which can be queued by the firmware.
+     */
+    int maxQueuedTransmitFollowupMsgs;
+    /**
+     * Maximum number MAC interface addresses which can be specified to a subscribe discovery
+     * session.
+     */
+    int maxSubscribeInterfaceAddresses;
+    /**
+     * The set of supported Cipher suites. The |NanCipherSuiteType| bit fields are used.
+     */
+    NanCipherSuiteType supportedCipherSuites;
+    /**
+     * Flag to indicate id instant communication mode is supported.
+     */
+    boolean instantCommunicationModeSupportFlag;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl b/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl
new file mode 100644
index 0000000..9e3d684
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Cipher suite flags.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanCipherSuiteType {
+    NONE = 0,
+    SHARED_KEY_128_MASK = 1 << 0,
+    SHARED_KEY_256_MASK = 1 << 1,
+    /**
+     *  NCS-PK-128
+     */
+    PUBLIC_KEY_128_MASK = 1 << 2,
+    /**
+     *  NCS-PK-256
+     */
+    PUBLIC_KEY_256_MASK = 1 << 3,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanClusterEventInd.aidl b/wifi/aidl/android/hardware/wifi/NanClusterEventInd.aidl
new file mode 100644
index 0000000..76a3034
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanClusterEventInd.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanClusterEventType;
+
+/**
+ * Cluster event indication structure. Triggered on events impacting how this device is
+ * visible to peers - cluster forming, joining a new cluster, or changing of the MAC address.
+ */
+@VintfStability
+parcelable NanClusterEventInd {
+    /**
+     * Event type causing the cluster event indication to be triggered.
+     */
+    NanClusterEventType eventType;
+    /**
+     * MAC Address associated with the corresponding event.
+     */
+    byte[6] addr;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanClusterEventType.aidl b/wifi/aidl/android/hardware/wifi/NanClusterEventType.aidl
new file mode 100644
index 0000000..c07bf17
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanClusterEventType.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Event types for a cluster event indication.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanClusterEventType {
+    /**
+     * Management/discovery interface MAC address has changed
+     * (e.g. due to randomization or at startup).
+     */
+    DISCOVERY_MAC_ADDRESS_CHANGED = 0,
+    /**
+     * A new cluster has been formed by this device.
+     */
+    STARTED_CLUSTER,
+    /**
+     * This device has joined an existing cluster.
+     */
+    JOINED_CLUSTER,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanConfigRequest.aidl b/wifi/aidl/android/hardware/wifi/NanConfigRequest.aidl
new file mode 100644
index 0000000..82a7b6e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanConfigRequest.aidl
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanBandSpecificConfig;
+
+/**
+ * Configuration parameters of NAN. Used when enabling and re-configuring a NAN cluster.
+ */
+@VintfStability
+parcelable NanConfigRequest {
+    /**
+     * Master preference of this device.
+     * NAN Spec: Master Indication Attribute / Master Preference
+     */
+    byte masterPref;
+    /**
+     * Controls whether or not the |IWifiNanIfaceEventCallback.eventClusterEvent| will be delivered
+     * for |NanClusterEventType.DISCOVERY_MAC_ADDRESS_CHANGED|.
+     */
+    boolean disableDiscoveryAddressChangeIndication;
+    /**
+     * Controls whether or not the |IWifiNanIfaceEventCallback.eventClusterEvent| will be delivered
+     * for |NanClusterEventType.STARTED_CLUSTER|.
+     */
+    boolean disableStartedClusterIndication;
+    /**
+     * Controls whether or not the |IWifiNanIfaceEventCallback.eventClusterEvent| will be delivered
+     * for |NanClusterEventType.JOINED_CLUSTER|.
+     */
+    boolean disableJoinedClusterIndication;
+    /**
+     * Control whether publish service IDs are included in Sync/Discovery beacons.
+     * NAN Spec: Service ID List Attribute
+     */
+    boolean includePublishServiceIdsInBeacon;
+    /**
+     * If |includePublishServiceIdsInBeacon| is true, then specifies the number of publish service
+     * IDs to include in the Sync/Discovery beacons. Value = 0: include as many service IDs as will
+     * fit into the maximum allowed beacon frame size. Value must fit within 7 bits - i.e. <= 127.
+     */
+    byte numberOfPublishServiceIdsInBeacon;
+    /**
+     * Control whether subscribe service IDs are included in Sync/Discovery beacons.
+     * Spec: Subscribe Service ID List Attribute
+     */
+    boolean includeSubscribeServiceIdsInBeacon;
+    /**
+     * If |includeSubscribeServiceIdsInBeacon| is true, then specifies the number of subscribe
+     * service IDs to include in the Sync/Discovery beacons. Value = 0: include as many service IDs
+     * as will fit into the maximum allowed beacon frame size. Value must fit within 7 bits - i.e.
+     * <= 127.
+     */
+    byte numberOfSubscribeServiceIdsInBeacon;
+    /**
+     * Number of samples used to calculate RSSI.
+     */
+    char rssiWindowSize;
+    /**
+     * Specifies the interval in seconds that the NAN management interface MAC address is
+     * randomized. A value of 0 is used to disable the MAC address randomization.
+     */
+    int macAddressRandomizationIntervalSec;
+    /**
+     * Additional configuration provided per band. Indexed by |NanBandIndex|.
+     */
+    NanBandSpecificConfig[3] bandSpecificConfig;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanConfigRequestSupplemental.aidl b/wifi/aidl/android/hardware/wifi/NanConfigRequestSupplemental.aidl
new file mode 100644
index 0000000..eb01a9f
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanConfigRequestSupplemental.aidl
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Additional NAN configuration request parameters.
+ */
+@VintfStability
+parcelable NanConfigRequestSupplemental {
+    /**
+     * Specify the Discovery Beacon interval in ms. Specification only applicable if the device
+     * transmits Discovery Beacons (based on the Wi-Fi Aware protocol selection criteria). The value
+     * can be increased to reduce power consumption (on devices which would transmit Discovery
+     * Beacons). However, cluster synchronization time will likely increase.
+     * Values are:
+     *  - A value of 0 indicates that the HAL sets the interval to a default (implementation
+     * specific).
+     *  - A positive value.
+     */
+    int discoveryBeaconIntervalMs;
+    /**
+     * The number of spatial streams to be used for transmitting NAN management frames (does NOT
+     * apply to data-path packets). A small value may reduce power consumption for small discovery
+     * packets. Values are:
+     *  - A value of 0 indicates that the HAL sets the number to a default (implementation
+     * specific).
+     *  - A positive value.
+     */
+    int numberOfSpatialStreamsInDiscovery;
+    /**
+     * Controls whether the device may terminate listening on a Discovery Window (DW) earlier than
+     * the DW termination (16ms) if no information is received. Enabling the feature will result in
+     * lower power consumption, but may result in some missed messages and hence increased latency.
+     */
+    boolean enableDiscoveryWindowEarlyTermination;
+    /**
+     * Controls whether NAN RTT (ranging) is permitted. Global flag on any NAN RTT operations are
+     * allowed. Controls ranging in the context of discovery as well as direct RTT.
+     */
+    boolean enableRanging;
+    /**
+     * Controls whether NAN instant communication mode is enabled.
+     */
+    boolean enableInstantCommunicationMode;
+    /**
+     * Controls which channel NAN instant communication mode operates on.
+     */
+    int instantModeChannel;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathChannelCfg.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathChannelCfg.aidl
new file mode 100644
index 0000000..3aaea40
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathChannelCfg.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN DP (data-path) channel config options.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanDataPathChannelCfg {
+    CHANNEL_NOT_REQUESTED = 0,
+    REQUEST_CHANNEL_SETUP,
+    FORCE_CHANNEL_SETUP,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathChannelInfo.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathChannelInfo.aidl
new file mode 100644
index 0000000..e5c3538
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathChannelInfo.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelWidthInMhz;
+
+/**
+ * NAN data path channel information provided to the framework.
+ */
+@VintfStability
+parcelable NanDataPathChannelInfo {
+    /**
+     * Channel frequency in MHz.
+     */
+    int channelFreq;
+    /**
+     * Channel bandwidth in MHz.
+     */
+    WifiChannelWidthInMhz channelBandwidth;
+    /**
+     * Number of spatial streams used in the channel.
+     */
+    int numSpatialStreams;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathConfirmInd.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathConfirmInd.aidl
new file mode 100644
index 0000000..621f036
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathConfirmInd.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDataPathChannelInfo;
+import android.hardware.wifi.NanStatus;
+
+/**
+ * NAN Data path confirmation indication structure. Event indication is
+ * received on both initiator and responder side when negotiation for a
+ * data-path finishes on success or failure.
+ */
+@VintfStability
+parcelable NanDataPathConfirmInd {
+    /**
+     * ID of the data-path.
+     */
+    int ndpInstanceId;
+    /**
+     * Indicates whether the data-path setup succeeded (true) or failed (false).
+     */
+    boolean dataPathSetupSuccess;
+    /**
+     * MAC address of the peer's data-interface (not its management/discovery interface).
+     */
+    byte[6] peerNdiMacAddr;
+    /**
+     * Arbitrary information communicated from the peer as part of the data-path setup process -
+     * there is no semantic meaning to these bytes. They are passed-through from sender to receiver
+     * as-is with no parsing. Max length: |NanCapabilities.maxAppInfoLen|. NAN Spec: Data Path
+     * Attributes / NDP Attribute / NDP Specific Info
+     */
+    byte[] appInfo;
+    /**
+     * Failure reason if |dataPathSetupSuccess| is false.
+     */
+    NanStatus status;
+    /**
+     * The channel(s) on which the NDP is scheduled to operate.
+     * Updates to the operational channels are provided using the |eventDataPathScheduleUpdate|
+     * event.
+     */
+    NanDataPathChannelInfo[] channelInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathRequestInd.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathRequestInd.aidl
new file mode 100644
index 0000000..de9ee32
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathRequestInd.aidl
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN Data path request indication message structure.
+ * Event indication received by an intended Responder when a NAN
+ * data request initiated by an Initiator.
+ */
+@VintfStability
+parcelable NanDataPathRequestInd {
+    /**
+     * ID of an active publish or subscribe discovery session. The data-path
+     * request is in the context of this discovery session.
+     * NAN Spec: Data Path Attributes / NDP Attribute / Publish ID
+     */
+    byte discoverySessionId;
+    /**
+     * MAC address of the Initiator peer. This is the MAC address of the peer's
+     * management/discovery NAN interface.
+     */
+    byte[6] peerDiscMacAddr;
+    /**
+     * ID of the data-path. Used to identify the data-path in further negotiation/APIs.
+     */
+    int ndpInstanceId;
+    /**
+     * Specifies whether or not security is required by the peer for the data-path being created.
+     * NAN Spec: Data Path Attributes / NDP Attribute / NDP Control / Security Present
+     */
+    boolean securityRequired;
+    /**
+     * Arbitrary information communicated from the peer as part of the data-path setup process.
+     * Therer is no semantic meaning to these bytes. They are passed-through from sender to
+     * receiver as-is with no parsing.
+     * Max length: |NanCapabilities.maxAppInfoLen|.
+     * NAN Spec: Data Path Attributes / NDP Attribute / NDP Specific Info
+     */
+    byte[] appInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathScheduleUpdateInd.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathScheduleUpdateInd.aidl
new file mode 100644
index 0000000..0f41d8f
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathScheduleUpdateInd.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDataPathChannelInfo;
+
+/**
+ * NAN data path channel information update indication structure.
+ * Event indication is received by all NDP owners whenever the channels on
+ * which the NDP operates are updated.
+ * Note: Multiple NDPs may share the same schedule. The indication specifies
+ * all NDPs to which it applies.
+ */
+@VintfStability
+parcelable NanDataPathScheduleUpdateInd {
+    /**
+     * The discovery address (NMI) of the peer to which the NDP is connected.
+     */
+    byte[6] peerDiscoveryAddress;
+    /**
+     * The updated channel(s) information.
+     */
+    NanDataPathChannelInfo[] channelInfo;
+    /**
+     * The list of NDPs to which this update applies.
+     */
+    int[] ndpInstanceIds;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl
new file mode 100644
index 0000000..42a5616
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanCipherSuiteType;
+import android.hardware.wifi.NanDataPathSecurityType;
+
+/**
+ * Configuration of NAN data-path security.
+ */
+@VintfStability
+parcelable NanDataPathSecurityConfig {
+    /**
+     * Security configuration of the data-path (NDP). Security is enabled if not equal to
+     * |NanDataPathSecurityType.OPEN|.
+     * NAN Spec: Service Discovery Extension Attribute (SDEA) / Control / Security Required
+     */
+    NanDataPathSecurityType securityType;
+    /**
+     * Cipher type for data-paths. If |securityType| is |NanDataPathSecurityType.OPEN| then must
+     * be set to |NanCipherSuiteType.NONE|. Otherwise a non-|NanCipherSuiteType.NONE| cipher suite
+     * must be specified.
+     */
+    NanCipherSuiteType cipherType;
+    /**
+     * Optional Pairwise Master Key (PMK). Must be specified (and is only used) if |securityType| is
+     * set to |NanDataPathSecurityType.PMK|.
+     * Ref: IEEE 802.11i
+     */
+    byte[32] pmk;
+    /**
+     * Optional Passphrase. Must be specified (and is only used) if |securityType| is set to
+     * |NanDataPathSecurityType.PASSPHRASE|.
+     * Min length: |IWifiNanIface.MIN_DATA_PATH_CONFIG_PASSPHRASE_LENGTH|
+     * Max length: |IWifiNanIface.MAX_DATA_PATH_CONFIG_PASSPHRASE_LENGTH|
+     * NAN Spec: Appendix: Mapping passphrase to PMK for NCS-SK Cipher Suites
+     */
+    byte[] passphrase;
+    /**
+     * Security Context Identifier attribute contains PMKID. Shall be included in NDP setup and
+     * response messages. Security Context Identifier identifies the Security Context. When
+     * security is enabled this field contains the 16 octet PMKID identifying the PMK used for
+     * setting up the Secure Data Path.
+     */
+    byte[16] scid;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathSecurityType.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityType.aidl
new file mode 100644
index 0000000..da23ffa
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityType.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN DP (data-path) security configuration options.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanDataPathSecurityType {
+    OPEN,
+    PMK,
+    PASSPHRASE,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDebugConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDebugConfig.aidl
new file mode 100644
index 0000000..d8fab0d
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDebugConfig.aidl
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Debug configuration parameters. Many of these allow non-standard-compliant operation and are
+ * not intended for normal operational mode.
+ */
+@VintfStability
+parcelable NanDebugConfig {
+    /**
+     * Specification of the lower 2 bytes of the cluster ID. The cluster ID is 50-60-9a-01-00-00 to
+     * 50-60-9a-01-FF-FF. Configuration is of the bottom and top values of the range (which default
+     * to 0x0000 and 0xFFFF respectively).
+     * Configuration is only used if |validClusterIdVals| is set to true.
+     */
+    boolean validClusterIdVals;
+    char clusterIdBottomRangeVal;
+    char clusterIdTopRangeVal;
+    /**
+     * NAN management interface address. If specified (|validIntfAddrVal| is true), then overrides
+     * any other configuration (specifically the default randomization configured by
+     * |NanConfigRequest.macAddressRandomizationIntervalSec|).
+     */
+    boolean validIntfAddrVal;
+    byte[6] intfAddrVal;
+    /**
+     * Combination of the 24 bit Organizationally Unique ID (OUI) and the 8 bit OUI type.
+     * Used if |validOuiVal| is set to true.
+     */
+    boolean validOuiVal;
+    int ouiVal;
+    /**
+     * Force the Random Factor to the specified value for all transmitted Sync/Discovery beacons.
+     * Used if |validRandomFactorForceVal| is set to true.
+     * NAN Spec: Master Indication Attribute / Random Factor
+     */
+    boolean validRandomFactorForceVal;
+    byte randomFactorForceVal;
+    /**
+     * Forces the hop-count for all transmitted Sync and Discovery Beacons NO matter the real
+     * hop-count being received over the air. Used if the |validHopCountForceVal| flag is set to
+     * true.
+     * NAN Spec: Cluster Attribute / Anchor Master Information / Hop Count to Anchor Master
+     */
+    boolean validHopCountForceVal;
+    byte hopCountForceVal;
+    /**
+     * Frequency in MHz to of the discovery channel in the specified band. Indexed by
+     * |NanBandIndex|. Used if the |validDiscoveryChannelVal| is set to true.
+     */
+    boolean validDiscoveryChannelVal;
+    int[3] discoveryChannelMhzVal;
+    /**
+     * Specifies whether sync/discovery beacons are transmitted in the specified band. Indexed by
+     * |NanBandIndex|. Used if the |validUseBeaconsInBandVal| is set to true.
+     */
+    boolean validUseBeaconsInBandVal;
+    boolean[3] useBeaconsInBandVal;
+    /**
+     * Specifies whether SDF (service discovery frames) are transmitted in the specified band.
+     * Indexed by |NanBandIndex|. Used if the |validUseSdfInBandVal| is set to true.
+     */
+    boolean validUseSdfInBandVal;
+    boolean[3] useSdfInBandVal;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
new file mode 100644
index 0000000..ca1e016
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDataPathSecurityConfig;
+import android.hardware.wifi.NanMatchAlg;
+import android.hardware.wifi.NanRangingIndication;
+
+/**
+ * Configurations of NAN discovery sessions. Common to publish and subscribe discovery.
+ */
+@VintfStability
+parcelable NanDiscoveryCommonConfig {
+    /**
+     * The ID of the discovery session being configured. A value of 0 specifies a request to create
+     * a new discovery session. The new discovery session ID is returned with
+     * |IWifiNanIfaceEventCallback.notifyStartPublishResponse| or
+     * |IWifiNanIfaceEventCallback.notifyStartSubscribeResponse|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Instance ID
+     */
+    byte sessionId;
+    /**
+     * The lifetime of the discovery session in seconds. A value of 0 means run forever or until
+     * canceled using |IWifiIface.stopPublishRequest| or |IWifiIface.stopSubscribeRequest|.
+     */
+    char ttlSec;
+    /**
+     * Indicates the interval between two Discovery Windows in which the device supporting the
+     * service is awake to transmit or receive the Service Discovery frames. Valid values of Awake
+     * DW Interval are: 1, 2, 4, 8 and 16. A value of 0 will default to 1. Does not override
+     * |NanBandSpecificConfig.discoveryWindowIntervalVal| configurations if those are specified.
+     */
+    char discoveryWindowPeriod;
+    /**
+     * The lifetime of the discovery session in number of transmitted SDF discovery packets. A value
+     * of 0 means forever or until canceled using |IWifiIface.stopPublishRequest| or
+     * |IWifiIface.stopSubscribeRequest|.
+     */
+    byte discoveryCount;
+    /**
+     * UTF-8 encoded string identifying the service.
+     * Max length: |NanCapabilities.maxServiceNameLen|.
+     * NAN Spec: The only acceptable single-byte UTF-8 symbols for a Service Name are alphanumeric
+     * values (A-Z, a-z, 0-9), the hyphen ('-'), and the period ('.'). All valid multi-byte UTF-8
+     * characters are acceptable in a Service Name.
+     */
+    byte[] serviceName;
+    /**
+     * Specifies how often to trigger |IWifiNanIfaceEventCallback.eventMatch| when continuously
+     * discovering the same discovery session (with no changes).
+     */
+    NanMatchAlg discoveryMatchIndicator;
+    /**
+     * Arbitrary information communicated in discovery packets - there is no semantic meaning to
+     * these bytes. They are passed-through from publisher to subscriber as-is with no parsing. Max
+     * length: |NanCapabilities.maxServiceSpecificInfoLen|. NAN Spec: Service Descriptor Attribute
+     * (SDA) / Service Info
+     */
+    byte[] serviceSpecificInfo;
+    /**
+     * Arbitrary information communicated in discovery packets - there is no semantic meaning to
+     * these bytes. They are passed-through from publisher to subscriber as-is with no parsing. Max
+     * length: |NanCapabilities.maxExtendedServiceSpecificInfoLen|. Spec: Service Descriptor
+     * Extension Attribute (SDEA) / Service Info
+     */
+    byte[] extendedServiceSpecificInfo;
+    /**
+     * Ordered sequence of <length, value> pairs (|length| uses 1 byte and contains the number of
+     * bytes in the |value| field) which specify further match criteria (beyond the service name).
+     * The match behavior is specified in details in the NAN spec.
+     * Publisher: used in SOLICITED or SOLICITED_UNSOLICITED sessions.
+     * Subscriber: used in ACTIVE or PASSIVE sessions.
+     * Max length: |NanCapabilities.maxMatchFilterLen|.
+     * NAN Spec: matching_filter_rx
+     */
+    byte[] rxMatchFilter;
+    /**
+     * Ordered sequence of <length, value> pairs (|length| uses 1 byte and contains the number of
+     * bytes in the |value| field) which specify further match criteria (beyond the service name).
+     * The match behavior is specified in details in the NAN spec.
+     * Publisher: used if provided.
+     * Subscriber: used (if provided) only in ACTIVE sessions.
+     * Max length: |NanCapabilities.maxMatchFilterLen|.
+     * NAN Spec: matching_filter_tx and Service Descriptor Attribute (SDA) / Matching Filter
+     */
+    byte[] txMatchFilter;
+    /**
+     * Specifies whether or not the discovery session uses the
+     * |NanBandSpecificConfig.rssiCloseProximity| value (configured in enable/configure requests) to
+     * filter out matched discovered peers.
+     * NAN Spec: Service Descriptor Attribute / Service Control / Discovery Range Limited.
+     */
+    boolean useRssiThreshold;
+    /**
+     * Controls whether or not the |IWifiNanIfaceEventCallback.eventPublishTerminated| (for publish
+     * discovery sessions) or |IWifiNanIfaceEventCallback.eventSubscribeTerminated| (for subscribe
+     * discovery sessions) will be delivered.
+     */
+    boolean disableDiscoveryTerminationIndication;
+    /**
+     * Controls whether or not |IWifiNanIfaceEventCallback.eventMatchExpired| will be delivered.
+     */
+    boolean disableMatchExpirationIndication;
+    /**
+     * Controls whether or not |IWifiNanIfaceEventCallback.eventFollowupReceived| will be delivered.
+     */
+    boolean disableFollowupReceivedIndication;
+    /**
+     * Security configuration of data-paths created in the context of this discovery session.
+     * Security parameters can be overridden during the actual construction of the data-path -
+     * allowing individual data-paths to have unique PMKs or passphrases.
+     */
+    NanDataPathSecurityConfig securityConfig;
+    /**
+     * Specifies whether or not there is a ranging requirement in this discovery session.
+     * Ranging is only performed if all other match criteria with the peer are met. Ranging must
+     * be performed if both peers in the discovery session (publisher and subscriber) set this
+     * flag to true. Otherwise, if either peer sets this flag to false, ranging must not be
+     * performed and must not impact discovery decisions. Note: Specifying that ranging is required
+     * also implies that this device must automatically accept ranging requests from peers. NAN
+     * Spec: Service Discovery Extension Attribute (SDEA) / Control / Ranging Require.
+     */
+    boolean rangingRequired;
+    /**
+     * Interval in ms between two ranging measurements. Only relevant if |rangingRequired| is true.
+     * If the Awake DW interval specified either in |discoveryWindowPeriod| or in
+     * |NanBandSpecificConfig.discoveryWindowIntervalVal| is larger than the ranging interval then
+     * priority is given to Awake DW interval.
+     */
+    int rangingIntervalMs;
+    /**
+     * The type of ranging feedback to be provided by discovery session matches
+     * |IWifiNanIfaceEventCallback.eventMatch|. Only relevant if |rangingRequired| is true.
+     */
+    NanRangingIndication configRangingIndications;
+    /**
+     * The ingress and egress distance in cm. If ranging is enabled (|rangingEnabled| is true) then
+     * |configRangingIndications| is used to determine whether ingress and/or egress (or neither)
+     * are used to determine whether a match has occurred.
+     * NAN Spec: Service Discovery Extension Attribute (SDEA) / Ingress & Egress Range Limit
+     */
+    char distanceIngressCm;
+    char distanceEgressCm;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanEnableRequest.aidl b/wifi/aidl/android/hardware/wifi/NanEnableRequest.aidl
new file mode 100644
index 0000000..8c28fe1
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanEnableRequest.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanConfigRequest;
+import android.hardware.wifi.NanDebugConfig;
+
+/**
+ * Enable requests for NAN. Start-up configuration for |IWifiNanIface.enableRequest|.
+ */
+@VintfStability
+parcelable NanEnableRequest {
+    /**
+     * Enable operation in a specific band. Indexed by |NanBandIndex|.
+     */
+    boolean[3] operateInBand;
+    /**
+     * Specify extent of cluster by specifying the max hop count.
+     */
+    byte hopCountMax;
+    /**
+     * Configurations of NAN cluster operation. Can also be modified at run-time using
+     * |IWifiNanIface.configRequest|.
+     */
+    NanConfigRequest configParams;
+    /**
+     * Non-standard configurations of NAN cluster operation. Useful for debugging operations.
+     */
+    NanDebugConfig debugConfigs;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanFollowupReceivedInd.aidl b/wifi/aidl/android/hardware/wifi/NanFollowupReceivedInd.aidl
new file mode 100644
index 0000000..20bc9b1
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanFollowupReceivedInd.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Follow up message received from peer indication structure.
+ */
+@VintfStability
+parcelable NanFollowupReceivedInd {
+    /**
+     * Discovery session (publish or subscribe) ID of a previously created discovery session. The
+     * message is received in the context of this discovery session.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Instance ID
+     */
+    byte discoverySessionId;
+    /**
+     * A unique ID of the peer. Can be subsequently used in |IWifiNanIface.transmitFollowupRequest|
+     * or to set up a data-path.
+     */
+    int peerId;
+    /**
+     * The NAN Discovery (management) MAC address of the peer.
+     */
+    byte[6] addr;
+    /**
+     * Indicates whether received in a further availability window (FAW) if true, or in a discovery
+     * window (DW) if false.
+     */
+    boolean receivedInFaw;
+    /**
+     * Received message from the peer. There is no semantic meaning to these bytes. They are
+     * passed-through from sender to receiver as-is with no parsing.
+     * Max length: |NanCapabilities.maxServiceSpecificInfoLen|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Info
+     */
+    byte[] serviceSpecificInfo;
+    /**
+     * Arbitrary information communicated in discovery packets. There is no semantic meaning to
+     * these bytes. They are passed-through from publisher to subscriber as-is with no parsing. Max
+     * length: |NanCapabilities.maxExtendedServiceSpecificInfoLen|. Spec: Service Descriptor
+     * Extension Attribute (SDEA) / Service Info
+     */
+    byte[] extendedServiceSpecificInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanInitiateDataPathRequest.aidl b/wifi/aidl/android/hardware/wifi/NanInitiateDataPathRequest.aidl
new file mode 100644
index 0000000..264a873
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanInitiateDataPathRequest.aidl
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDataPathChannelCfg;
+import android.hardware.wifi.NanDataPathSecurityConfig;
+
+/**
+ *  Data Path Initiator requesting a data-path.
+ */
+@VintfStability
+parcelable NanInitiateDataPathRequest {
+    /**
+     * ID of the peer. Obtained as part of an earlier |IWifiNanIfaceEventCallback.eventMatch| or
+     * |IWifiNanIfaceEventCallback.eventFollowupReceived|.
+     */
+    int peerId;
+    /**
+     * NAN management interface MAC address of the peer. Obtained as part of an earlier
+     * |IWifiNanIfaceEventCallback.eventMatch| or
+     * |IWifiNanIfaceEventCallback.eventFollowupReceived|.
+     */
+    byte[6] peerDiscMacAddr;
+    /**
+     * Config flag for channel request.
+     */
+    NanDataPathChannelCfg channelRequestType;
+    /**
+     * Channel frequency in MHz to start data-path. Not relevant if |channelRequestType| is
+     * |NanDataPathChannelCfg.CHANNEL_NOT_REQUESTED|.
+     */
+    int channel;
+    /**
+     * NAN data interface name on which this data-path session is to be initiated.
+     * This must be an interface created using |IWifiNanIface.createDataInterfaceRequest|.
+     */
+    String ifaceName;
+    /**
+     * Security configuration of the requested data-path.
+     */
+    NanDataPathSecurityConfig securityConfig;
+    /**
+     * Arbitrary information communicated to the peer as part of the data-path setup process. There
+     * is no semantic meaning to these bytes. They are passed-through from sender to receiver as-is
+     * with no parsing.
+     * Max length: |NanCapabilities.maxAppInfoLen|.
+     * NAN Spec: Data Path Attributes / NDP Attribute / NDP Specific Info
+     */
+    byte[] appInfo;
+    /**
+     * A service name to be used with |passphrase| to construct a Pairwise Master Key (PMK) for the
+     * data-path. Only relevant when a data-path is requested which is not associated with a NAN
+     * discovery session - e.g. using out-of-band discovery.
+     * Constraints: same as |NanDiscoveryCommonConfig.serviceName|
+     * NAN Spec: Appendix: Mapping pass-phrase to PMK for NCS-SK Cipher Suites
+     */
+    byte[] serviceNameOutOfBand;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanMatchAlg.aidl b/wifi/aidl/android/hardware/wifi/NanMatchAlg.aidl
new file mode 100644
index 0000000..dc96a47
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanMatchAlg.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN Match indication type. Controls how often to trigger |IWifiNanIfaceEventCallback.eventMatch|
+ * for a single discovery session - i.e. continuously discovering the same publisher with no new
+ * data.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanMatchAlg {
+    MATCH_ONCE = 0,
+    MATCH_CONTINUOUS,
+    MATCH_NEVER,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
new file mode 100644
index 0000000..896cde0
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanCipherSuiteType;
+import android.hardware.wifi.NanRangingIndication;
+
+/**
+ * Match indication structure.
+ */
+@VintfStability
+parcelable NanMatchInd {
+    /**
+     * Publish or subscribe discovery session ID of an existing discovery session.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Instance ID
+     */
+    byte discoverySessionId;
+    /**
+     * A unique ID of the peer. Can be subsequently used in |IWifiNanIface.transmitFollowupRequest|
+     * or to set up a data-path.
+     */
+    int peerId;
+    /**
+     * The NAN Discovery (management) MAC address of the peer.
+     */
+    byte[6] addr;
+    /**
+     * The arbitrary information contained in the |NanDiscoveryCommonConfig.serviceSpecificInfo| of
+     * the peer's discovery session configuration.
+     * Max length: |NanCapabilities.maxServiceSpecificInfoLen|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Info
+     */
+    byte[] serviceSpecificInfo;
+    /**
+     * Arbitrary information communicated in discovery packets. There is no semantic meaning to
+     * these bytes. They are passed-through from publisher to subscriber as-is with no parsing. Max
+     * length: |NanCapabilities.maxExtendedServiceSpecificInfoLen|. Spec: Service Descriptor
+     * Extension Attribute (SDEA) / Service Info
+     */
+    byte[] extendedServiceSpecificInfo;
+    /**
+     * The match filter from the discovery packet (publish or subscribe) which caused service
+     * discovery. Matches the |NanDiscoveryCommonConfig.txMatchFilter| of the peer's Unsolicited
+     * publish message or of the local device's Active subscribe message.
+     * Max length: |NanCapabilities.maxMatchFilterLen|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Matching Filter
+     */
+    byte[] matchFilter;
+    /**
+     * Indicates the type of discovery: true if match occurred on a Beacon frame, false if the match
+     * occurred on a Service Discovery Frame (SDF).
+     */
+    boolean matchOccurredInBeaconFlag;
+    /**
+     * Flag to indicate firmware is out of resources and that it can no longer track this Service
+     * Name. Indicates that while |IWifiNanIfaceEventCallback.eventMatch| will be received, the
+     * |NanDiscoveryCommonConfig.discoveryMatchIndicator| configuration will not be honored.
+     */
+    boolean outOfResourceFlag;
+    /**
+     * If RSSI filtering was enabled using |NanDiscoveryCommonConfig.useRssiThreshold| in discovery
+     * session setup, then this field contains the received RSSI value. It will contain 0 if RSSI
+     * filtering was not enabled.
+     * RSSI values are returned without sign, e.g. -70dBm will be returned as 70.
+     */
+    byte rssiValue;
+    /**
+     * Cipher type for data-paths constructed in the context of this discovery session. Valid if
+     * |peerRequiresSecurityEnabledInNdp| is true.
+     */
+    NanCipherSuiteType peerCipherType;
+    /**
+     * Indicates whether or not the peer requires security enabled in any data-path (NDP)
+     * constructed in the context of this discovery session. The |cipherType| specifies the cipher
+     * type for such data-paths. NAN Spec: Service Discovery Extension Attribute (SDEA) / Control /
+     * Security Required
+     */
+    boolean peerRequiresSecurityEnabledInNdp;
+    /**
+     * Indicates whether or not the peer requires (and hence allows) ranging in the context of this
+     * discovery session.
+     * Note that ranging is only performed if all other match criteria with the peer are met.
+     * NAN Spec: Service Discovery Extension Attribute (SDEA) / Control / Ranging Require.
+     */
+    boolean peerRequiresRanging;
+    /**
+     * Ranging indication supersedes the NanMatchAlg specification.
+     * Ex: If NanMatchAlg is MATCH_ONCE, but ranging indication is continuous, then continuous
+     * match notifications will be received (with ranging information).
+     * Ranging indication data is provided if Ranging required is enabled in the discovery
+     * specification and:
+     *   1) continuous ranging is specified.
+     *   2) ingress/egress is specified and:
+     *       - notify once for ingress >= ingress_distance and egress <= egress_distance,
+     *       - same for ingress_egress_both
+     * If the Awake DW intervals are larger than the ranging intervals, then priority is given
+     * to the device DW intervals.
+     *
+     * If ranging was required and executed, this contains the distance to the peer in mm. The
+     * |rangingIndicationType| field specifies the event which triggered ranging.
+     */
+    int rangingMeasurementInMm;
+    /**
+     * The ranging event(s) which triggered the ranging. e.g. can indicate that continuous ranging
+     * was requested, or else that an ingress event occurred.
+     */
+    NanRangingIndication rangingIndicationType;
+    /**
+     * Security Context Identifier attribute contains PMKID. Shall be included in NDP setup and
+     * response messages. Security Context Identifie identifies the Security Context. For NAN
+     * Shared Key Cipher Suite, this field contains the 16 octet PMKID identifying the PMK used for
+     * setting up the Secure Data Path.
+     */
+    byte[] scid;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanPublishRequest.aidl b/wifi/aidl/android/hardware/wifi/NanPublishRequest.aidl
new file mode 100644
index 0000000..6dd079c
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanPublishRequest.aidl
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDiscoveryCommonConfig;
+import android.hardware.wifi.NanPublishType;
+import android.hardware.wifi.NanTxType;
+
+/**
+ * Publish request. Specifies a publish discovery operation.
+ */
+@VintfStability
+parcelable NanPublishRequest {
+    /**
+     * Common configuration of discovery sessions.
+     */
+    NanDiscoveryCommonConfig baseConfigs;
+    /**
+     * Type of the publish discovery session.
+     */
+    NanPublishType publishType;
+    /**
+     * For publishType of |NanPublishType.SOLICITED| or |NanPublishType.UNSOLICITED_SOLICITED|,
+     * this specifies the type of transmission used for responding to the probing subscribe
+     * discovery peer.
+     */
+    NanTxType txType;
+    /**
+     * Specifies whether data-path requests |IWifiNanIfaceEventCallback.eventDataPathRequest| (in
+     * the context of this discovery session) are automatically accepted (if true) - in which case
+     * the Responder must not call the |IWifiNanIface.respondToDataPathIndicationRequest| method and
+     * the device must automatically accept the data-path request and complete the negotiation.
+     */
+    boolean autoAcceptDataPathRequests;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanPublishType.aidl b/wifi/aidl/android/hardware/wifi/NanPublishType.aidl
new file mode 100644
index 0000000..a7a1c48
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanPublishType.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN publish discovery session types.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanPublishType {
+    UNSOLICITED = 0,
+    SOLICITED,
+    UNSOLICITED_SOLICITED,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanRangingIndication.aidl b/wifi/aidl/android/hardware/wifi/NanRangingIndication.aidl
new file mode 100644
index 0000000..731cbfc
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanRangingIndication.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Ranging in the context of discovery session indication controls. Controls
+ * the frequency of ranging-driven |IWifiNanIfaceEventCallback.eventMatch|.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanRangingIndication {
+    CONTINUOUS_INDICATION_MASK = 1 << 0,
+    INGRESS_MET_MASK = 1 << 1,
+    EGRESS_MET_MASK = 1 << 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanRespondToDataPathIndicationRequest.aidl b/wifi/aidl/android/hardware/wifi/NanRespondToDataPathIndicationRequest.aidl
new file mode 100644
index 0000000..6960e71
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanRespondToDataPathIndicationRequest.aidl
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanDataPathSecurityConfig;
+
+/**
+ * Response to a data-path request from a peer.
+ */
+@VintfStability
+parcelable NanRespondToDataPathIndicationRequest {
+    /**
+     * Accept (true) or reject (false) the request.
+     * NAN Spec: Data Path Attributes / NDP Attribute / Type and Status
+     */
+    boolean acceptRequest;
+    /**
+     * ID of the data-path (NDP) for which we're responding. Obtained as part of the request in
+     * |IWifiNanIfaceEventCallback.eventDataPathRequest|.
+     */
+    int ndpInstanceId;
+    /**
+     * NAN data interface name on which this data-path session is to be started.
+     * This must be an interface created using |IWifiNanIface.createDataInterfaceRequest|.
+     */
+    String ifaceName;
+    /**
+     * Security configuration of the requested data-path.
+     */
+    NanDataPathSecurityConfig securityConfig;
+    /**
+     * Arbitrary information communicated to the peer as part of the data-path setup process. There
+     * is no semantic meaning to these bytes. They are passed-through from sender to receiver as-is
+     * with no parsing.
+     * Max length: |NanCapabilities.maxAppInfoLen|.
+     * NAN Spec: Data Path Attributes / NDP Attribute / NDP Specific Info
+     */
+    byte[] appInfo;
+    /**
+     * A service name to be used with |passphrase| to construct a Pairwise Master Key (PMK) for the
+     * data-path. Only relevant when a data-path is requested which is not associated with a NAN
+     * discovery session - e.g. using out-of-band discovery.
+     * Constraints: same as |NanDiscoveryCommonConfig.serviceName|
+     * NAN Spec: Appendix: Mapping pass-phrase to PMK for NCS-SK Cipher Suites
+     */
+    byte[] serviceNameOutOfBand;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanSrfType.aidl b/wifi/aidl/android/hardware/wifi/NanSrfType.aidl
new file mode 100644
index 0000000..4063b17
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanSrfType.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN Service Response Filter Attribute Bit.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanSrfType {
+    BLOOM_FILTER = 0,
+    PARTIAL_MAC_ADDR,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanStatus.aidl b/wifi/aidl/android/hardware/wifi/NanStatus.aidl
new file mode 100644
index 0000000..ad29e5b
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanStatus.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.NanStatusCode;
+
+/**
+ * Status information returned in NAN notifications.
+ */
+@VintfStability
+parcelable NanStatus {
+    /**
+     * Status of the command request.
+     */
+    NanStatusCode status;
+    /**
+     * Further description of the issue causing a failure.
+     */
+    String description;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanStatusCode.aidl b/wifi/aidl/android/hardware/wifi/NanStatusCode.aidl
new file mode 100644
index 0000000..d63a50e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanStatusCode.aidl
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN API response codes used in request notifications and events.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanStatusCode {
+    SUCCESS = 0,
+    /**
+     * NAN Discovery Engine/Host driver failures.
+     */
+    INTERNAL_FAILURE = 1,
+    /**
+     * NAN OTA failures.
+     */
+    PROTOCOL_FAILURE = 2,
+    /**
+     * The publish/subscribe discovery session id is invalid.
+     */
+    INVALID_SESSION_ID = 3,
+    /**
+     * Out of resources to fufill request.
+     */
+    NO_RESOURCES_AVAILABLE = 4,
+    /**
+     * Invalid arguments passed.
+     */
+    INVALID_ARGS = 5,
+    /**
+     * Invalid peer id.
+     */
+    INVALID_PEER_ID = 6,
+    /**
+     * Invalid NAN data-path (ndp) id.
+     */
+    INVALID_NDP_ID = 7,
+    /**
+     * Attempting to enable NAN when not available, e.g. wifi is disabled.
+     */
+    NAN_NOT_ALLOWED = 8,
+    /**
+     * Over the air ACK not received.
+     */
+    NO_OTA_ACK = 9,
+    /**
+     * Attempting to enable NAN when already enabled.
+     */
+    ALREADY_ENABLED = 10,
+    /**
+     * Can't queue tx followup message for transmission.
+     */
+    FOLLOWUP_TX_QUEUE_FULL = 11,
+    /**
+     * Unsupported concurrency of NAN and another feature - NAN disabled.
+     */
+    UNSUPPORTED_CONCURRENCY_NAN_DISABLED = 12,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanSubscribeRequest.aidl b/wifi/aidl/android/hardware/wifi/NanSubscribeRequest.aidl
new file mode 100644
index 0000000..12c1170
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanSubscribeRequest.aidl
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.MacAddress;
+import android.hardware.wifi.NanDiscoveryCommonConfig;
+import android.hardware.wifi.NanSrfType;
+import android.hardware.wifi.NanSubscribeType;
+
+/**
+ * Subscribe request. Specifies a subscribe discovery operation.
+ */
+@VintfStability
+parcelable NanSubscribeRequest {
+    /**
+     * Common configuration of discovery sessions.
+     */
+    NanDiscoveryCommonConfig baseConfigs;
+    /**
+     * The type of the subscribe discovery session.
+     */
+    NanSubscribeType subscribeType;
+    /**
+     * For |NanSubscribeType.ACTIVE| subscribe discovery sessions, specifies how the Service
+     * Response Filter (SRF) attribute is populated. Relevant only if |shouldUseSrf| is set to true.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Response Filter / SRF Control / SRF
+     * Type
+     */
+    NanSrfType srfType;
+    /**
+     * Configure whether inclusion of an address in |intfAddr| indicates that those devices should
+     * respond or the reverse. Relevant only if |shouldUseSrf| is set to true and |srfType| is set
+     * to |NanSrfType.PARTIAL_MAC_ADDR|. NAN Spec: Service Descriptor Attribute (SDA) / Service
+     * Response Filter / SRF Control / Include
+     */
+    boolean srfRespondIfInAddressSet;
+    /**
+     * Control whether the Service Response Filter (SRF) is used.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Control /
+     *           Service Response Filter Present
+     */
+    boolean shouldUseSrf;
+    /**
+     * Control whether the presence of |NanDiscoveryCommonConfig.serviceSpecificInfo| data is needed
+     * in the publisher in order to trigger service discovery, i.e. a
+     * |IWifiNanIfaceEventCallback.eventMatch|. The test is for presence of data - not for the
+     * specific contents of the data.
+     */
+    boolean isSsiRequiredForMatch;
+    /**
+     * NAN Interface Addresses constituting the Service Response Filter (SRF).
+     * Max length (number of addresses): |NanCapabilities.maxSubscribeInterfaceAddresses|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Response Filter / Address Set
+     */
+    MacAddress[] intfAddr;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanSubscribeType.aidl b/wifi/aidl/android/hardware/wifi/NanSubscribeType.aidl
new file mode 100644
index 0000000..a5e8182
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanSubscribeType.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN subscribe discovery session types.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanSubscribeType {
+    PASSIVE = 0,
+    ACTIVE,
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanTransmitFollowupRequest.aidl b/wifi/aidl/android/hardware/wifi/NanTransmitFollowupRequest.aidl
new file mode 100644
index 0000000..c88b4ff
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanTransmitFollowupRequest.aidl
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Transmit follow up message request.
+ */
+@VintfStability
+parcelable NanTransmitFollowupRequest {
+    /**
+     * ID of an active publish or subscribe discovery session. Follow-up message is transmitted in
+     * the context of the discovery session. NAN Spec: Service Descriptor Attribute (SDA) / Instance
+     * ID
+     */
+    byte discoverySessionId;
+    /**
+     * ID of the peer. Obtained as part of an earlier |IWifiNanIfaceEventCallback.eventMatch| or
+     * |IWifiNanIfaceEventCallback.eventFollowupReceived|.
+     */
+    int peerId;
+    /**
+     * MAC address of the peer. Obtained as part of an earlier
+     * |IWifiNanIfaceEventCallback.eventMatch| or
+     * |IWifiNanIfaceEventCallback.eventFollowupReceived|.
+     */
+    byte[6] addr;
+    /**
+     * Whether the follow-up message should be transmitted with a high priority.
+     */
+    boolean isHighPriority;
+    /**
+     * Whether the follow-up message should be transmitted in a discovery window (true) or a further
+     * availability window (false).
+     */
+    boolean shouldUseDiscoveryWindow;
+    /**
+     * Arbitrary information communicated to the peer. There is no semantic meaning to these
+     * bytes. They are passed-through from sender to receiver as-is with no parsing.
+     * Max length: |NanCapabilities.maxServiceSpecificInfoLen|.
+     * NAN Spec: Service Descriptor Attribute (SDA) / Service Info
+     */
+    byte[] serviceSpecificInfo;
+    /**
+     * Arbitrary information communicated in discovery packets. There is no semantic meaning to
+     * these bytes. They are passed-through from publisher to subscriber as-is with no parsing. Max
+     * length: |NanCapabilities.maxExtendedServiceSpecificInfoLen|. Spec: Service Descriptor
+     * Extension Attribute (SDEA) / Service Info
+     */
+    byte[] extendedServiceSpecificInfo;
+    /**
+     * Disable |IWifiNanIfaceEventCallback.eventTransmitFollowup| - i.e. do not get indication on
+     * whether the follow-up was transmitted and received successfully.
+     */
+    boolean disableFollowupResultIndication;
+}
diff --git a/wifi/aidl/android/hardware/wifi/NanTxType.aidl b/wifi/aidl/android/hardware/wifi/NanTxType.aidl
new file mode 100644
index 0000000..904a7f4
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/NanTxType.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * NAN transmit type used in |NanPublishType.SOLICITED| or |NanPublishType.UNSOLICITED_SOLICITED|
+ * publish discovery sessions. Describes the addressing of the packet responding to an ACTIVE
+ * subscribe query.
+ */
+@VintfStability
+@Backing(type="int")
+enum NanTxType {
+    BROADCAST = 0,
+    UNICAST,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttBw.aidl b/wifi/aidl/android/hardware/wifi/RttBw.aidl
new file mode 100644
index 0000000..9d42dc0
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttBw.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * RTT Measurement Bandwidth.
+ */
+@VintfStability
+@Backing(type="int")
+enum RttBw {
+    BW_5MHZ = 0x01,
+    BW_10MHZ = 0x02,
+    BW_20MHZ = 0x04,
+    BW_40MHZ = 0x08,
+    BW_80MHZ = 0x10,
+    BW_160MHZ = 0x20,
+    BW_320MHZ = 0x40,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttCapabilities.aidl b/wifi/aidl/android/hardware/wifi/RttCapabilities.aidl
new file mode 100644
index 0000000..7c47ed5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttCapabilities.aidl
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttBw;
+import android.hardware.wifi.RttPreamble;
+
+/**
+ * RTT Capabilities.
+ */
+@VintfStability
+parcelable RttCapabilities {
+    /**
+     * Whether 1-sided rtt data collection is supported.
+     */
+    boolean rttOneSidedSupported;
+    /**
+     * Whether ftm rtt data collection is supported.
+     */
+    boolean rttFtmSupported;
+    /**
+     * Whether initiator supports LCI request. Applies to 2-sided RTT.
+     */
+    boolean lciSupported;
+    /**
+     * Whether initiator supports LCR request. Applies to 2-sided RTT.
+     */
+    boolean lcrSupported;
+    /**
+     * Whether 11mc responder mode is supported.
+     */
+    boolean responderSupported;
+    /**
+     * Bit mask indicating what preamble is supported by initiator.
+     * Combination of |RttPreamble| values.
+     */
+    RttPreamble preambleSupport;
+    /**
+     * Bit mask indicating what BW is supported by initiator.
+     * Combination of |RttBw| values.
+     */
+    RttBw bwSupport;
+    /**
+     * Draft 11mc spec version supported by chip.
+     * For instance, version 4.0 must be 40 and version 4.3 must be 43 etc.
+     */
+    byte mcVersion;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttConfig.aidl b/wifi/aidl/android/hardware/wifi/RttConfig.aidl
new file mode 100644
index 0000000..fc2c2e0
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttConfig.aidl
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttBw;
+import android.hardware.wifi.RttPeerType;
+import android.hardware.wifi.RttPreamble;
+import android.hardware.wifi.RttType;
+import android.hardware.wifi.WifiChannelInfo;
+
+/**
+ * RTT configuration.
+ */
+@VintfStability
+parcelable RttConfig {
+    /**
+     * Peer device mac address.
+     */
+    byte[6] addr;
+    /**
+     * 1-sided or 2-sided RTT.
+     */
+    RttType type;
+    /**
+     * Optional peer device hint (STA, P2P, AP).
+     */
+    RttPeerType peer;
+    /**
+     * Required for STA-AP mode, optional for P2P, NBD etc.
+     */
+    WifiChannelInfo channel;
+    /**
+     * Time interval between bursts (units: 100 ms).
+     * Applies to 1-sided and 2-sided RTT multi-burst requests.
+     * Range: 0-31, 0: no preference by initiator (2-sided RTT).
+     */
+    int burstPeriod;
+    /**
+     * Total number of RTT bursts to be executed. Will be
+     * specified in the same way as the parameter "Number of
+     * Burst Exponent" found in the FTM frame format. This
+     * applies to both 1-sided RTT and 2-sided RTT. Valid
+     * values are 0 to 15 as defined in 802.11mc std.
+     * 0 means single shot.
+     * The implication of this parameter on the maximum
+     * number of RTT results is the following:
+     * for 1-sided RTT: max num of RTT results = (2^num_burst)*(num_frames_per_burst)
+     * for 2-sided RTT: max num of RTT results = (2^num_burst)*(num_frames_per_burst - 1)
+     */
+    int numBurst;
+    /**
+     * Number of frames per burst.
+     * Minimum value = 1, Maximum value = 31
+     * For 2-sided, this equals the number of FTM frames
+     * to be attempted in a single burst. This also
+     * equals the number of FTM frames that the
+     * initiator will request that the responder sends
+     * in a single frame.
+     */
+    int numFramesPerBurst;
+    /**
+     * Number of retries for a failed RTT frame.
+     * Applies to 1-sided RTT only. Minimum value = 0, Maximum value = 3
+     */
+    int numRetriesPerRttFrame;
+    /**
+     * The following fields are only valid for 2-side RTT.
+     *
+     *
+     * Maximum number of retries that the initiator can
+     * retry an FTMR frame.
+     * Minimum value = 0, Maximum value = 3
+     */
+    int numRetriesPerFtmr;
+    /**
+     * Whether to request location civic info or not.
+     */
+    boolean mustRequestLci;
+    /**
+     * Whether to request location civic records or not.
+     */
+    boolean mustRequestLcr;
+    /**
+     * Applies to 1-sided and 2-sided RTT. Valid values will
+     * be 2-11 and 15 as specified by the 802.11mc std for
+     * the FTM parameter burst duration. In a multi-burst
+     * request, if responder overrides with larger value,
+     * the initiator will return failure. In a single-burst
+     * request, if responder overrides with larger value,
+     * the initiator will send TMR_STOP to terminate RTT
+     * at the end of the burst_duration it requested.
+     */
+    int burstDuration;
+    /**
+     * RTT preamble to be used in the RTT frames.
+     */
+    RttPreamble preamble;
+    /**
+     * RTT BW to be used in the RTT frames.
+     */
+    RttBw bw;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttLciInformation.aidl b/wifi/aidl/android/hardware/wifi/RttLciInformation.aidl
new file mode 100644
index 0000000..5a49de5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttLciInformation.aidl
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttMotionPattern;
+
+/**
+ * Movement pattern unknown.
+ */
+@VintfStability
+parcelable RttLciInformation {
+    /**
+     * Latitude in degrees * 2^25 , 2's complement.
+     */
+    long latitude;
+    /**
+     * Longitude in degrees * 2^25 , 2's complement.
+     */
+    long longitude;
+    /**
+     * Altitude in units of 1/256 m.
+     */
+    int altitude;
+    /**
+     * As defined in Section 2.3.2 of IETF RFC 6225.
+     */
+    byte latitudeUnc;
+    /**
+     * As defined in Section 2.3.2 of IETF RFC 6225.
+     */
+    byte longitudeUnc;
+    /**
+     * As defined in Section 2.4.5 from IETF RFC 6225.
+     */
+    byte altitudeUnc;
+    /**
+     * The following elements are for configuring the Z subelement.
+     *
+     *
+     * Motion pattern type.
+     */
+    RttMotionPattern motionPattern;
+    /**
+     * Floor in units of 1/16th of floor. 0x80000000 if unknown.
+     */
+    int floor;
+    /**
+     * In units of 1/64 m.
+     */
+    int heightAboveFloor;
+    /**
+     * In units of 1/64 m. 0 if unknown.
+     */
+    int heightUnc;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttLcrInformation.aidl b/wifi/aidl/android/hardware/wifi/RttLcrInformation.aidl
new file mode 100644
index 0000000..b3bb13a
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttLcrInformation.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+@VintfStability
+parcelable RttLcrInformation {
+    /**
+     * Country code symbol.
+     */
+    byte[2] countryCode;
+    /**
+     * Civic info to be copied in FTM frame.
+     */
+    String civicInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttMotionPattern.aidl b/wifi/aidl/android/hardware/wifi/RttMotionPattern.aidl
new file mode 100644
index 0000000..00517ac
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttMotionPattern.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+@VintfStability
+@Backing(type="int")
+enum RttMotionPattern {
+    /**
+     * Not expected to change location.
+     */
+    NOT_EXPECTED = 0,
+    /**
+     * Expected to change location.
+     */
+    EXPECTED = 1,
+    /**
+     * Movement pattern unknown.
+     */
+    UNKNOWN = 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttPeerType.aidl b/wifi/aidl/android/hardware/wifi/RttPeerType.aidl
new file mode 100644
index 0000000..148a8cc
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttPeerType.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * RTT peer types.
+ */
+@VintfStability
+@Backing(type="int")
+enum RttPeerType {
+    AP = 1,
+    STA = 2,
+    P2P_GO = 3,
+    P2P_CLIENT = 4,
+    NAN_TYPE = 5,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttPreamble.aidl b/wifi/aidl/android/hardware/wifi/RttPreamble.aidl
new file mode 100644
index 0000000..e460a94
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttPreamble.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * RTT Measurement Preamble.
+ */
+@VintfStability
+@Backing(type="int")
+enum RttPreamble {
+    LEGACY = 0x1,
+    HT = 0x2,
+    VHT = 0x4,
+    /**
+     * Preamble type for 11ax
+     */
+    HE = 0x8,
+    /**
+     * Preamble type for 11be
+     */
+    EHT = 0x10,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttResponder.aidl b/wifi/aidl/android/hardware/wifi/RttResponder.aidl
new file mode 100644
index 0000000..a16f274
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttResponder.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttPreamble;
+import android.hardware.wifi.WifiChannelInfo;
+
+/**
+ * RTT Responder information.
+ */
+@VintfStability
+parcelable RttResponder {
+    WifiChannelInfo channel;
+    RttPreamble preamble;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttResult.aidl b/wifi/aidl/android/hardware/wifi/RttResult.aidl
new file mode 100644
index 0000000..565cce7
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttResult.aidl
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.RttStatus;
+import android.hardware.wifi.RttType;
+import android.hardware.wifi.WifiInformationElement;
+import android.hardware.wifi.WifiRateInfo;
+
+/**
+ * RTT results.
+ */
+@VintfStability
+parcelable RttResult {
+    /**
+     * Peer device mac address.
+     */
+    byte[6] addr;
+    /**
+     * Burst number in a multi-burst request.
+     */
+    int burstNum;
+    /**
+     * Total RTT measurement frames attempted.
+     */
+    int measurementNumber;
+    /**
+     * Total successful RTT measurement frames.
+     */
+    int successNumber;
+    /**
+     * Maximum number of "FTM frames per burst" supported by
+     * the responder STA. Applies to 2-sided RTT only.
+     * If reponder overrides with larger value:
+     * - for single-burst request, initiator will truncate the
+     * larger value and send a TMR_STOP after receiving as
+     * many frames as originally requested.
+     * - for multi-burst request, initiator will return
+     * failure right away.
+     */
+    byte numberPerBurstPeer;
+    /**
+     * Ranging status.
+     */
+    RttStatus status;
+    /**
+     * If status is RTT_STATUS_FAIL_BUSY_TRY_LATER,
+     * this will be the time provided by the responder as to
+     * when the request can be tried again. Applies to 2-sided
+     * RTT only. In sec, 1-31 sec.
+     */
+    byte retryAfterDuration;
+    /**
+     * RTT type.
+     */
+    RttType type;
+    /**
+     * Average rssi in 0.5 dB steps (e.g. 143 implies -71.5 dB).
+     */
+    int rssi;
+    /**
+     * Rssi spread in 0.5 dB steps (e.g. 5 implies 2.5 dB spread) - optional.
+     */
+    int rssiSpread;
+    /**
+     * 1-sided RTT: TX rate of RTT frame.
+     * 2-sided RTT: TX rate of initiator's Ack in response to FTM frame.
+     */
+    WifiRateInfo txRate;
+    /**
+     * 1-sided RTT: TX rate of Ack from other side.
+     * 2-sided RTT: TX rate of FTM frame coming from responder.
+     */
+    WifiRateInfo rxRate;
+    /**
+     * Round trip time in picoseconds.
+     */
+    long rtt;
+    /**
+     * Rtt standard deviation in picoseconds.
+     */
+    long rttSd;
+    /**
+     * Difference between max and min rtt times recorded in picoseconds.
+     */
+    long rttSpread;
+    /**
+     * Distance in mm (optional).
+     */
+    int distanceInMm;
+    /**
+     * Standard deviation in mm (optional).
+     */
+    int distanceSdInMm;
+    /**
+     * Difference between max and min distance recorded in mm (optional).
+     */
+    int distanceSpreadInMm;
+    /**
+     * Time of the measurement (in microseconds since boot).
+     */
+    long timeStampInUs;
+    /**
+     * Actual time taken by the FW to finish one burst
+     * measurement (in ms). Applies to 1-sided and 2-sided RTT.
+     */
+    int burstDurationInMs;
+    /**
+     * Number of bursts allowed by the responder. Applies
+     * to 2-sided RTT only.
+     */
+    int negotiatedBurstNum;
+    /**
+     * For 11mc only.
+     */
+    WifiInformationElement lci;
+    /**
+     * For 11mc only.
+     */
+    WifiInformationElement lcr;
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttStatus.aidl b/wifi/aidl/android/hardware/wifi/RttStatus.aidl
new file mode 100644
index 0000000..600165c
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttStatus.aidl
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Ranging status.
+ */
+@VintfStability
+@Backing(type="int")
+enum RttStatus {
+    SUCCESS = 0,
+    /**
+     * General failure status.
+     */
+    FAILURE = 1,
+    /**
+     * Target STA does not respond to request.
+     */
+    FAIL_NO_RSP = 2,
+    /**
+     * Request rejected. Applies to 2-sided RTT only.
+     */
+    FAIL_REJECTED = 3,
+    FAIL_NOT_SCHEDULED_YET = 4,
+    /**
+     * Timing measurement times out.
+     */
+    FAIL_TM_TIMEOUT = 5,
+    /**
+     * Target on different channel, cannot range.
+     */
+    FAIL_AP_ON_DIFF_CHANNEL = 6,
+    /**
+     * Ranging not supported.
+     */
+    FAIL_NO_CAPABILITY = 7,
+    /**
+     * Request aborted for an unknown reason.
+     */
+    ABORTED = 8,
+    /**
+     * Invalid T1-T4 timestamp.
+     */
+    FAIL_INVALID_TS = 9,
+    /**
+     * 11mc protocol failed.
+     */
+    FAIL_PROTOCOL = 10,
+    /**
+     * Request could not be scheduled.
+     */
+    FAIL_SCHEDULE = 11,
+    /**
+     * Responder cannot collaborate at time of request.
+     */
+    FAIL_BUSY_TRY_LATER = 12,
+    /**
+     * Bad request args.
+     */
+    INVALID_REQ = 13,
+    /**
+     * WiFi not enabled.
+     */
+    NO_WIFI = 14,
+    /**
+     * Responder overrides param info, cannot range with new params.
+     */
+    FAIL_FTM_PARAM_OVERRIDE = 15,
+    /**
+     * NAN ranging negotiation failure.
+     */
+    NAN_RANGING_PROTOCOL_FAILURE = 16,
+    /**
+     * NAN concurrency not supported (NDP + RTT).
+     */
+    NAN_RANGING_CONCURRENCY_NOT_SUPPORTED = 17,
+}
diff --git a/wifi/aidl/android/hardware/wifi/RttType.aidl b/wifi/aidl/android/hardware/wifi/RttType.aidl
new file mode 100644
index 0000000..e95a928
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/RttType.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * RTT Types.
+ */
+@VintfStability
+@Backing(type="int")
+enum RttType {
+    ONE_SIDED = 1,
+    TWO_SIDED = 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/Ssid.aidl b/wifi/aidl/android/hardware/wifi/Ssid.aidl
new file mode 100644
index 0000000..fd985a3
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/Ssid.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Byte array representing an Ssid. Use when we need to
+ * pass an array of Ssid's to a method, as variable-sized
+ * 2D arrays are not supported in AIDL.
+ *
+ * TODO (b/210705533): Replace this type with a 2D byte array.
+ */
+@VintfStability
+parcelable Ssid {
+    byte[32] data;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaApfPacketFilterCapabilities.aidl b/wifi/aidl/android/hardware/wifi/StaApfPacketFilterCapabilities.aidl
new file mode 100644
index 0000000..5063b49
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaApfPacketFilterCapabilities.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Parameters to specify the APF capabilities of this iface.
+ */
+@VintfStability
+parcelable StaApfPacketFilterCapabilities {
+    /**
+     * Version of the packet filter interpreter supported.
+     */
+    int version;
+    /**
+     * Maximum size of the filter bytecode in bytes for an iface.
+     */
+    int maxLength;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketEventReportSchemeMask.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketEventReportSchemeMask.aidl
new file mode 100644
index 0000000..92e2928
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketEventReportSchemeMask.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Mask of event reporting schemes that can be specified in background scan
+ * requests.
+ */
+@VintfStability
+@Backing(type="int")
+enum StaBackgroundScanBucketEventReportSchemeMask {
+    /**
+     * Report a scan completion event after scan. If this is not set, then scan
+     * completion events must be reported if report_threshold_percent or
+     * report_threshold_num_scans is reached.
+     */
+    EACH_SCAN = 1 << 0,
+    /**
+     * Forward scan results (beacons/probe responses + IEs) in real time to HAL,
+     * in addition to completion events.
+     * Note: To keep backward compatibility, fire completion events regardless
+     * of REPORT_EVENTS_EACH_SCAN.
+     */
+    FULL_RESULTS = 1 << 1,
+    /**
+     * Controls if scans for this bucket must be placed in the results buffer.
+     */
+    NO_BATCH = 1 << 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
new file mode 100644
index 0000000..7bd87b2
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaBackgroundScanBucketEventReportSchemeMask;
+import android.hardware.wifi.WifiBand;
+
+/**
+ * Background Scan parameters per bucket that can be specified in background
+ * scan requests.
+ */
+@VintfStability
+parcelable StaBackgroundScanBucketParameters {
+    /**
+     * Bucket index. This index is used to report results in
+     * |StaScanData.bucketsScanned|.
+     */
+    int bucketIdx;
+    /**
+     * Bands to scan or |BAND_UNSPECIFIED| if frequencies list must be used
+     * instead.
+     */
+    WifiBand band;
+    /**
+     * Channel frequencies (in Mhz) to scan if |band| is set to
+     * |BAND_UNSPECIFIED|.
+     * Max length: |StaBackgroundScanLimits.MAX_CHANNELS|.
+     */
+    int[] frequencies;
+    /**
+     * Period at which this bucket must be scanned (in milliseconds). Must be an integer
+     * multiple of the |basePeriodInMs| specified in the BackgroundScanParameters.
+     */
+    int periodInMs;
+    /**
+     * Bitset of |StaBackgroundScanBucketEventReportSchemeMask| values controlling
+     * when events for this bucket must be reported.
+     */
+    StaBackgroundScanBucketEventReportSchemeMask eventReportScheme;
+    /**
+     * For exponential back off. If |exponentialMaxPeriodInMs| is non-zero or
+     * different than period, then this bucket is an exponential backoff bucket
+     * and the scan period must grow exponentially as per formula:
+     *   actual_period(N) = period * (base ^ (N/step_count))
+     * to this maximum period (in milliseconds).
+     */
+    int exponentialMaxPeriodInMs;
+    /**
+     * For exponential back off. Multiplier: new_period=old_period * base
+     */
+    int exponentialBase;
+    /**
+     * For exponential back off. Number of scans to perform for a given
+     * period.
+     */
+    int exponentialStepCount;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanCapabilities.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanCapabilities.aidl
new file mode 100644
index 0000000..8dd9141
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanCapabilities.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Parameters to specify the Background Scan capabilities of this iface.
+ */
+@VintfStability
+parcelable StaBackgroundScanCapabilities {
+    /**
+     * Maximum number of bytes available for cached scan results.
+     */
+    int maxCacheSize;
+    /**
+     * Maximum number of buckets that can be supplied for a scan.
+     */
+    int maxBuckets;
+    /**
+     * Maximum number of APs that must be stored for each scan.
+     */
+    int maxApCachePerScan;
+    /**
+     * Max reporting number of scans threshold that can be specified in the scan
+     * parameters.
+     */
+    int maxReportingThreshold;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanLimits.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanLimits.aidl
new file mode 100644
index 0000000..b6fc44c
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanLimits.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Max limits for background scan.
+ */
+@VintfStability
+@Backing(type="int")
+enum StaBackgroundScanLimits {
+    MAX_CHANNELS = 16,
+    MAX_BUCKETS = 16,
+    MAX_AP_CACHE_PER_SCAN = 32,
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanParameters.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanParameters.aidl
new file mode 100644
index 0000000..0b56069
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanParameters.aidl
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaBackgroundScanBucketParameters;
+
+/**
+ * Background Scan parameters that can be specified in background scan
+ * requests.
+ */
+@VintfStability
+parcelable StaBackgroundScanParameters {
+    /**
+     * GCD of all bucket periods (in milliseconds).
+     */
+    int basePeriodInMs;
+    /**
+     * Maximum number of APs that must be stored for each scan. If the maximum
+     * is reached, then the highest RSSI results must be returned.
+     * Max length: |StaBackgroundScanLimits.MAX_AP_CACHE_PER_SCAN|.
+     */
+    int maxApPerScan;
+    /**
+     * % cache buffer filled threshold at which the host must be notified of
+     * batched scan results.
+     */
+    int reportThresholdPercent;
+    /**
+     * Threshold at which the AP must be woken up, in number of scans.
+     */
+    int reportThresholdNumScans;
+    /**
+     * List of buckets to be scheduled.
+     * Max length: |StaBackgroundScanLimits.MAX_BUCKETS|.
+     */
+    StaBackgroundScanBucketParameters[] buckets;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceContentionTimeStats.aidl b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceContentionTimeStats.aidl
new file mode 100644
index 0000000..51f6916
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceContentionTimeStats.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Contention time statistics for different traffic categories.
+ */
+@VintfStability
+parcelable StaLinkLayerIfaceContentionTimeStats {
+    /**
+     * Data packet min contention time (usec). This includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    int contentionTimeMinInUsec;
+    /**
+     * Data packet max contention time (usec). This includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    int contentionTimeMaxInUsec;
+    /**
+     * Data packet average contention time (usec). This includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    int contentionTimeAvgInUsec;
+    /**
+     * Number of data packets used for contention statistics.
+     */
+    int contentionNumSamples;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaLinkLayerIfacePacketStats.aidl b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfacePacketStats.aidl
new file mode 100644
index 0000000..c0e2c7b
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfacePacketStats.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Packet stats for different traffic categories.
+ */
+@VintfStability
+parcelable StaLinkLayerIfacePacketStats {
+    /**
+     * Number of received unicast data packets.
+     */
+    long rxMpdu;
+    /**
+     * Number of successfully transmitted unicast data pkts (ACK rcvd).
+     */
+    long txMpdu;
+    /**
+     * Number of transmitted unicast data pkt losses (no ACK).
+     */
+    long lostMpdu;
+    /**
+     * Number of transmitted unicast data retry pkts.
+     */
+    long retries;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceStats.aidl b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceStats.aidl
new file mode 100644
index 0000000..78f8caa
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaLinkLayerIfaceStats.aidl
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaLinkLayerIfaceContentionTimeStats;
+import android.hardware.wifi.StaLinkLayerIfacePacketStats;
+import android.hardware.wifi.StaPeerInfo;
+
+/**
+ * Iface statistics for the current connection.
+ */
+@VintfStability
+parcelable StaLinkLayerIfaceStats {
+    /**
+     * Number beacons received from the connected AP.
+     */
+    int beaconRx;
+    /**
+     * Access Point Beacon and Management frames RSSI (averaged).
+     */
+    int avgRssiMgmt;
+    /**
+     * WME Best Effort Access Category packet counters.
+     */
+    StaLinkLayerIfacePacketStats wmeBePktStats;
+    /**
+     * WME Background Access Category packet counters.
+     */
+    StaLinkLayerIfacePacketStats wmeBkPktStats;
+    /**
+     * WME Video Access Category packet counters.
+     */
+    StaLinkLayerIfacePacketStats wmeViPktStats;
+    /**
+     * WME Voice Access Category packet counters.
+     */
+    StaLinkLayerIfacePacketStats wmeVoPktStats;
+    /**
+     * Duty cycle for the iface.
+     * If this iface is being served using time slicing on a radio with one or more ifaces
+     * (i.e MCC), then the duty cycle assigned to this iface in %.
+     * If not using time slicing (i.e SCC or DBS), set to 100.
+     */
+    byte timeSliceDutyCycleInPercent;
+    /**
+     * WME Best Effort (BE) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeBeContentionTimeStats;
+    /**
+     * WME Background (BK) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeBkContentionTimeStats;
+    /**
+     * WME Video (VI) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeViContentionTimeStats;
+    /**
+     * WME Voice (VO) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeVoContentionTimeStats;
+    /**
+     * Per peer statistics.
+     */
+    StaPeerInfo[] peers;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaLinkLayerRadioStats.aidl b/wifi/aidl/android/hardware/wifi/StaLinkLayerRadioStats.aidl
new file mode 100644
index 0000000..6105172
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaLinkLayerRadioStats.aidl
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelStats;
+
+@VintfStability
+parcelable StaLinkLayerRadioStats {
+    /**
+     * Time for which the radio is awake.
+     */
+    int onTimeInMs;
+    /**
+     * Total time for which the radio is in active transmission.
+     */
+    int txTimeInMs;
+    /**
+     * Time for which the radio is in active tranmission per tx level.
+     */
+    int[] txTimeInMsPerLevel;
+    /**
+     * Time for which the radio is in active receive.
+     */
+    int rxTimeInMs;
+    /**
+     *  Total time for which the radio is awake due to scan.
+     */
+    int onTimeInMsForScan;
+    /**
+     * Total time for which the radio is awake due to NAN scan since boot or crash.
+     */
+    int onTimeInMsForNanScan;
+    /**
+     * Total time for which the radio is awake due to background scan since boot or crash.
+     */
+    int onTimeInMsForBgScan;
+    /**
+     * Total time for which the radio is awake due to roam scan since boot or crash.
+     */
+    int onTimeInMsForRoamScan;
+    /**
+     * Total time for which the radio is awake due to PNO scan since boot or crash.
+     */
+    int onTimeInMsForPnoScan;
+    /**
+     * Total time for which the radio is awake due to Hotspot 2.0 scans and GAS exchange since boot
+     * or crash.
+     */
+    int onTimeInMsForHs20Scan;
+    /**
+     * List of channel stats associated with this radio.
+     */
+    WifiChannelStats[] channelStats;
+    /**
+     * Radio ID: An implementation specific value identifying the radio interface for which the
+     * stats are produced. Framework must not interpret this value. It must use this value for
+     * persistently identifying the statistics between calls,
+     * e.g. if the HAL provides them in different order.
+     */
+    int radioId;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaLinkLayerStats.aidl b/wifi/aidl/android/hardware/wifi/StaLinkLayerStats.aidl
new file mode 100644
index 0000000..32be121
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaLinkLayerStats.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaLinkLayerIfaceStats;
+import android.hardware.wifi.StaLinkLayerRadioStats;
+
+/**
+ * Link layer stats retrieved via |IWifiStaIface.getLinkLayerStats|.
+ */
+@VintfStability
+parcelable StaLinkLayerStats {
+    StaLinkLayerIfaceStats iface;
+    StaLinkLayerRadioStats[] radios;
+    /**
+     * Timestamp for each stats sample. This is the absolute milliseconds
+     * from boot when these stats were sampled.
+     */
+    long timeStampInMs;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaPeerInfo.aidl b/wifi/aidl/android/hardware/wifi/StaPeerInfo.aidl
new file mode 100644
index 0000000..2032802
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaPeerInfo.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaRateStat;
+
+/**
+ * Per peer statistics. Types of peers include the Access Point (AP), Tunneled Direct Link
+ * Setup (TDLS), Group Owner (GO), Neighbor Awareness Networking (NAN), etc.
+ */
+@VintfStability
+parcelable StaPeerInfo {
+    /**
+     * Station count: The total number of stations currently associated with the peer.
+     */
+    char staCount;
+    /**
+     * Channel utilization: The percentage of time (normalized to 255, i.e., x% corresponds to
+     * (int) x * 255 / 100) that the medium is sensed as busy measured by either physical or
+     * virtual carrier sense (CS) mechanism.
+     */
+    char chanUtil;
+    /**
+     * Per rate statistics.
+     */
+    StaRateStat[] rateStats;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaRateStat.aidl b/wifi/aidl/android/hardware/wifi/StaRateStat.aidl
new file mode 100644
index 0000000..8326884
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaRateStat.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiRateInfo;
+
+/**
+ * Per rate statistics. The rate is characterized by the combination of preamble, number
+ * of spatial streams, transmission bandwidth, and modulation and coding scheme (MCS).
+ */
+@VintfStability
+parcelable StaRateStat {
+    /**
+     * Wifi rate information: preamble, number of spatial streams, bandwidth, MCS, etc.
+     */
+    WifiRateInfo rateInfo;
+    /**
+     * Number of successfully transmitted data packets (ACK received).
+     */
+    int txMpdu;
+    /**
+     * Number of received data packets.
+     */
+    int rxMpdu;
+    /**
+     * Number of data packet losses (no ACK).
+     */
+    int mpduLost;
+    /**
+     * Number of data packet retries.
+     */
+    int retries;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaRoamingCapabilities.aidl b/wifi/aidl/android/hardware/wifi/StaRoamingCapabilities.aidl
new file mode 100644
index 0000000..7642612
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaRoamingCapabilities.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Structure describing the roaming control capabilities supported.
+ */
+@VintfStability
+parcelable StaRoamingCapabilities {
+    /**
+     * Maximum number of BSSIDs that may be blocklisted.
+     */
+    int maxBlocklistSize;
+    /**
+     * Maximum number of SSIDs that may be allowlisted.
+     */
+    int maxAllowlistSize;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaRoamingConfig.aidl b/wifi/aidl/android/hardware/wifi/StaRoamingConfig.aidl
new file mode 100644
index 0000000..c59c531
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaRoamingConfig.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.MacAddress;
+import android.hardware.wifi.Ssid;
+
+/**
+ * Structure describing the roaming control configuration.
+ */
+@VintfStability
+parcelable StaRoamingConfig {
+    /**
+     * List of BSSIDs that are blocklisted for roaming.
+     */
+    MacAddress[] bssidBlocklist;
+    /**
+     * List of SSIDs that are allowlisted for roaming.
+     */
+    Ssid[] ssidAllowlist;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaRoamingState.aidl b/wifi/aidl/android/hardware/wifi/StaRoamingState.aidl
new file mode 100644
index 0000000..d75d323
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaRoamingState.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Enum describing the various states to set the roaming
+ * control to.
+ */
+@VintfStability
+@Backing(type="byte")
+enum StaRoamingState {
+    /**
+     * Driver/Firmware must not perform any roaming.
+     */
+    DISABLED = 0,
+    /**
+     * Driver/Firmware is allowed to perform roaming while respecting
+     * the |StaRoamingConfig| parameters set using |configureRoaming|.
+     */
+    ENABLED = 1,
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaScanData.aidl b/wifi/aidl/android/hardware/wifi/StaScanData.aidl
new file mode 100644
index 0000000..9d6bd53
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaScanData.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.StaScanDataFlagMask;
+import android.hardware.wifi.StaScanResult;
+
+/**
+ * Structure describing all of the access points seen during
+ * the scan.
+ */
+@VintfStability
+parcelable StaScanData {
+    /**
+     * Bitset containing |ScanDataFlagMask| values.
+     */
+    StaScanDataFlagMask flags;
+    /**
+     * Bitset where each bit indicates if the bucket with that index (starting at
+     * 0) was scanned.
+     */
+    int bucketsScanned;
+    /**
+     * List of scan results.
+     */
+    StaScanResult[] results;
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaScanDataFlagMask.aidl b/wifi/aidl/android/hardware/wifi/StaScanDataFlagMask.aidl
new file mode 100644
index 0000000..ea87df5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaScanDataFlagMask.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Mask of flags set in the |ScanData| instance.
+ */
+@VintfStability
+@Backing(type="int")
+enum StaScanDataFlagMask {
+    /**
+     * Indicates that a scan was interrupted/did not occur, so results may be
+     * incomplete.
+     */
+    INTERRUPTED = 1 << 0,
+}
diff --git a/wifi/aidl/android/hardware/wifi/StaScanResult.aidl b/wifi/aidl/android/hardware/wifi/StaScanResult.aidl
new file mode 100644
index 0000000..9f6f415
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/StaScanResult.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiInformationElement;
+
+/**
+ * Structure describing all the information about a single access point seen
+ * during the scan.
+ */
+@VintfStability
+parcelable StaScanResult {
+    long timeStampInUs;
+    byte[] ssid;
+    byte[6] bssid;
+    int rssi;
+    int frequency;
+    char beaconPeriodInMs;
+    char capability;
+    WifiInformationElement[] informationElements;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiAntennaMode.aidl b/wifi/aidl/android/hardware/wifi/WifiAntennaMode.aidl
new file mode 100644
index 0000000..e21dd87
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiAntennaMode.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Antenna configuration.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiAntennaMode {
+    WIFI_ANTENNA_MODE_UNSPECIFIED = 0,
+    WIFI_ANTENNA_MODE_1X1 = 1,
+    WIFI_ANTENNA_MODE_2X2 = 2,
+    WIFI_ANTENNA_MODE_3X3 = 3,
+    WIFI_ANTENNA_MODE_4X4 = 4,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiBand.aidl b/wifi/aidl/android/hardware/wifi/WifiBand.aidl
new file mode 100644
index 0000000..cfdf944
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiBand.aidl
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Wifi bands defined in the 80211 spec.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiBand {
+    BAND_UNSPECIFIED = 0,
+    /**
+     * 2.4 GHz.
+     */
+    BAND_24GHZ = 1,
+    /**
+     * 5 GHz without DFS.
+     */
+    BAND_5GHZ = 2,
+    /**
+     * 5 GHz DFS only.
+     */
+    BAND_5GHZ_DFS = 4,
+    /**
+     * 5 GHz with DFS.
+     */
+    BAND_5GHZ_WITH_DFS = 6,
+    /**
+     * 2.4 GHz + 5 GHz; no DFS.
+     */
+    BAND_24GHZ_5GHZ = 3,
+    /**
+     * 2.4 GHz + 5 GHz with DFS.
+     */
+    BAND_24GHZ_5GHZ_WITH_DFS = 7,
+    /**
+     * 6 GHz.
+     */
+    BAND_6GHZ = 8,
+    /**
+     * 5 GHz no DFS + 6 GHz.
+     */
+    BAND_5GHZ_6GHZ = 10,
+    /**
+     * 2.4 GHz + 5 GHz no DFS + 6 GHz.
+     */
+    BAND_24GHZ_5GHZ_6GHZ = 11,
+    /**
+     * 2.4 GHz + 5 GHz with DFS + 6 GHz.
+     */
+    BAND_24GHZ_5GHZ_WITH_DFS_6GHZ = 15,
+    /**
+     * 60 GHz.
+     */
+    BAND_60GHZ = 16,
+    /**
+     * 2.4 GHz + 5 GHz no DFS + 6 GHz + 60 GHz.
+     */
+    BAND_24GHZ_5GHZ_6GHZ_60GHZ = 27,
+    /**
+     * 2.4 GHz + 5 GHz with DFS + 6 GHz + 60 GHz.
+     */
+    BAND_24GHZ_5GHZ_WITH_DFS_6GHZ_60GHZ = 31,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiChannelInfo.aidl b/wifi/aidl/android/hardware/wifi/WifiChannelInfo.aidl
new file mode 100644
index 0000000..8fee7eb
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiChannelInfo.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelWidthInMhz;
+
+/**
+ * Channel information.
+ */
+@VintfStability
+parcelable WifiChannelInfo {
+    /**
+     * Channel width (20, 40, 80, 80+80, 160, 320).
+     */
+    WifiChannelWidthInMhz width;
+    /**
+     * Primary 20 MHz channel.
+     */
+    int centerFreq;
+    /**
+     * Center frequency (MHz) first segment.
+     */
+    int centerFreq0;
+    /**
+     * Center frequency (MHz) second segment.
+     */
+    int centerFreq1;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiChannelStats.aidl b/wifi/aidl/android/hardware/wifi/WifiChannelStats.aidl
new file mode 100644
index 0000000..f77821b
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiChannelStats.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelInfo;
+
+@VintfStability
+parcelable WifiChannelStats {
+    /**
+     * Channel information.
+     */
+    WifiChannelInfo channel;
+    /**
+     * Total time for which the radio is awake on this channel.
+     */
+    int onTimeInMs;
+    /**
+     * Total time for which CCA is held busy on this channel.
+     */
+    int ccaBusyTimeInMs;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiChannelWidthInMhz.aidl b/wifi/aidl/android/hardware/wifi/WifiChannelWidthInMhz.aidl
new file mode 100644
index 0000000..e456530
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiChannelWidthInMhz.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Channel operating width in Mhz.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiChannelWidthInMhz {
+    WIDTH_INVALID = -1,
+    WIDTH_20 = 0,
+    WIDTH_40 = 1,
+    WIDTH_80 = 2,
+    WIDTH_160 = 3,
+    WIDTH_80P80 = 4,
+    WIDTH_5 = 5,
+    WIDTH_10 = 6,
+    /**
+     * 320 MHz
+     */
+    WIDTH_320 = 7,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxIcmpPacketDetails.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxIcmpPacketDetails.aidl
new file mode 100644
index 0000000..8cf4819
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxIcmpPacketDetails.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Struct capturing the count of all rx ICMP packets that caused
+ * host wakeup.
+ */
+@VintfStability
+parcelable WifiDebugHostWakeReasonRxIcmpPacketDetails {
+    /**
+     * Wake icmp packet count.
+     */
+    int icmpPkt;
+    /**
+     * Wake icmp6 packet count.
+     */
+    int icmp6Pkt;
+    /**
+     * Wake icmp6 RA packet count.
+     */
+    int icmp6Ra;
+    /**
+     * Wake icmp6 NA packet count.
+     */
+    int icmp6Na;
+    /**
+     * Wake icmp6 NS packet count.
+     */
+    int icmp6Ns;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxMulticastPacketDetails.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxMulticastPacketDetails.aidl
new file mode 100644
index 0000000..51faf66
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxMulticastPacketDetails.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Struct capturing the count of all rx multicast packets that caused
+ * host wakeup.
+ */
+@VintfStability
+parcelable WifiDebugHostWakeReasonRxMulticastPacketDetails {
+    /**
+     * Rx wake packet was ipv4 multicast.
+     */
+    int ipv4RxMulticastAddrCnt;
+    /**
+     * Rx wake packet was ipv6 multicast.
+     */
+    int ipv6RxMulticastAddrCnt;
+    /**
+     * Rx wake packet was non-ipv4 and non-ipv6.
+     */
+    int otherRxMulticastAddrCnt;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxPacketDetails.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxPacketDetails.aidl
new file mode 100644
index 0000000..b5c6a5e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonRxPacketDetails.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Struct capturing the count of all rx packets that caused
+ * host wakeup.
+ */
+@VintfStability
+parcelable WifiDebugHostWakeReasonRxPacketDetails {
+    /**
+     * Total rx unicast packet which woke up host.
+     */
+    int rxUnicastCnt;
+    /**
+     * Total rx multicast packet which woke up host.
+     */
+    int rxMulticastCnt;
+    /**
+     * Total rx broadcast packet which woke up host.
+     */
+    int rxBroadcastCnt;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonStats.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonStats.aidl
new file mode 100644
index 0000000..82d5d3e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugHostWakeReasonStats.aidl
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiDebugHostWakeReasonRxIcmpPacketDetails;
+import android.hardware.wifi.WifiDebugHostWakeReasonRxMulticastPacketDetails;
+import android.hardware.wifi.WifiDebugHostWakeReasonRxPacketDetails;
+
+/**
+ * Structure capturing the count of all the wireless related host wakeup.
+ * This is used to capture all the reasons why the host processor
+ * (WLAN driver) was woken up by the WLAN firmware.
+ * These stats may be used to debug any power issues caused due to frequent
+ * wakeup of the host processor by the WLAN firmware.
+ */
+@VintfStability
+parcelable WifiDebugHostWakeReasonStats {
+    /**
+     * Total count of cmd/event wakes.
+     * These must account for all wakeups due to WLAN management
+     * commands/events received over the air.
+     */
+    int totalCmdEventWakeCnt;
+    /**
+     * Vector of wake counts per cmd/event type.
+     * The number of command types and their meaning is only understood by the
+     * vendor.
+     */
+    int[] cmdEventWakeCntPerType;
+    /**
+     * Total count of driver/firmware wakes.
+     * These must account for all wakeups due to local driver/firmware
+     * interactions. These include all vendor implementation specific
+     * interactions like any heart-beat monitoring, bus management, etc.
+     */
+    int totalDriverFwLocalWakeCnt;
+    /**
+     * Vector of wake counts per driver/firmware interaction type.
+     * The number of command types and their meaning is only understood by the
+     * vendor.
+     */
+    int[] driverFwLocalWakeCntPerType;
+    /**
+     * Total data rx packets that woke up host.
+     */
+    int totalRxPacketWakeCnt;
+    WifiDebugHostWakeReasonRxPacketDetails rxPktWakeDetails;
+    WifiDebugHostWakeReasonRxMulticastPacketDetails rxMulticastPkWakeDetails;
+    WifiDebugHostWakeReasonRxIcmpPacketDetails rxIcmpPkWakeDetails;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameInfo.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameInfo.aidl
new file mode 100644
index 0000000..7601bf2
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameInfo.aidl
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiDebugPacketFateFrameType;
+
+/**
+ * Information regarding the frame transmitted/received.
+ */
+@VintfStability
+parcelable WifiDebugPacketFateFrameInfo {
+    /**
+     * The type of MAC-layer frame that this frame_info holds.
+     * - For data frames, use FRAME_TYPE_ETHERNET_II.
+     * - For management frames, use FRAME_TYPE_80211_MGMT.
+     * - If the type of the frame is unknown, use FRAME_TYPE_UNKNOWN.
+     */
+    WifiDebugPacketFateFrameType frameType;
+    /**
+     * The number of bytes included in |frameContent|.
+     * If the frame contents are missing (e.g. RX frame dropped in firmware),
+     * |frameLen| must be set to 0.
+     */
+    long frameLen;
+    /**
+     * Host clock when this frame was received by the driver (either outbound
+     * from the host network stack, or inbound from the firmware).
+     * - The timestamp must be taken from a clock which includes time the host
+     *   spent suspended (e.g. ktime_get_boottime()).
+     * - If no host timestamp is available (e.g. RX frame was dropped in firmware),
+     *   this field must be set to 0.
+     */
+    long driverTimestampUsec;
+    /**
+     * Firmware clock when this frame was received by the firmware
+     * (either outbound from the host, or inbound from a remote  station).
+     * - The timestamp must be taken from a clock which includes time firmware
+     *   spent suspended (if applicable).
+     * - If no firmware timestamp is available (e.g. TX frame was dropped by the
+     *   driver), then this field must be set to 0.
+     * - Consumers of |frameInfo| must not assume any synchronization between
+     *   the driver and firmware clocks.
+     */
+    long firmwareTimestampUsec;
+    /**
+     * Actual frame content. This is the raw bytes of the corresponding packet.
+     * - Should be provided for TX frames originated by the host.
+     * - Should be provided for RX frames received by the driver.
+     * - Optionally provided for TX frames originated by firmware.
+     *   (At discretion of HAL implementation.)
+     * - Optionally provided for RX frames dropped in firmware.
+     *   (At discretion of HAL implementation.)
+     * - If frame content is not provided, |frameLen| must be set to 0.
+     */
+    byte[] frameContent;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameType.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameType.aidl
new file mode 100644
index 0000000..5c0d171
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugPacketFateFrameType.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Type of frame transmitted/received.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiDebugPacketFateFrameType {
+    UNKNOWN,
+    ETHERNET_II,
+    MGMT_80211,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferFlags.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferFlags.aidl
new file mode 100644
index 0000000..0d1806e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferFlags.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Flags describing each debug ring buffer.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiDebugRingBufferFlags {
+    HAS_BINARY_ENTRIES = 1 << 0,
+    HAS_ASCII_ENTRIES = 1 << 1,
+    HAS_PER_PACKET_ENTRIES = 1 << 2,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferStatus.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferStatus.aidl
new file mode 100644
index 0000000..2b0faa2
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferStatus.aidl
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Struct describing each debug ring buffer supported by
+ * the device.
+ */
+@VintfStability
+parcelable WifiDebugRingBufferStatus {
+    /**
+     * Name of this debug ring buffer.
+     */
+    String ringName;
+    /**
+     * Combination of |WifiDebugRingBufferFlags| values.
+     */
+    int flags;
+    /**
+     * Unique integer representing the ring.
+     */
+    int ringId;
+    /**
+     * Total memory size allocated for the buffer.
+     */
+    int sizeInBytes;
+    /**
+     * Amount of free space in the buffer.
+     */
+    int freeSizeInBytes;
+    /**
+     * Verbose level for ring buffer.
+     */
+    int verboseLevel;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferVerboseLevel.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferVerboseLevel.aidl
new file mode 100644
index 0000000..30778eb
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugRingBufferVerboseLevel.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Verbose logging level to set for each debug ring buffer supported
+ * by the device.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiDebugRingBufferVerboseLevel {
+    /**
+     * Level 0 corresponds to no collection, and it makes log handler
+     * stop by no more events from driver.
+     */
+    NONE = 0,
+    /**
+     * Level 1 corresponds to normal log level, with minimal user impact.
+     * This is the default value.
+     */
+    DEFAULT = 1,
+    /**
+     * Level 2 is enabled when user is lazily trying to reproduce a problem.
+     * Wifi performance and power can be impacted, but device should not
+     * otherwise be significantly impacted.
+     */
+    VERBOSE = 2,
+    /**
+     * Level 3 is used when trying to actively debug a problem.
+     * This will cause severe performance degradation.
+     */
+    EXCESSIVE = 3,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFate.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFate.aidl
new file mode 100644
index 0000000..2983f81
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFate.aidl
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Enum describing the fate of the RX packets.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiDebugRxPacketFate {
+    /**
+     * Valid and delivered to network stack (e.g., netif_rx()).
+     */
+    SUCCESS,
+    /**
+     * Queued within firmware, but not yet sent to driver.
+     */
+    FW_QUEUED,
+    /**
+     * Dropped by firmware due to host-programmable filters.
+     */
+    FW_DROP_FILTER,
+    /**
+     * Dropped by firmware as invalid (e.g. bad checksum, decrypt failed,
+     * or invalid for current state).
+     */
+    FW_DROP_INVALID,
+    /**
+     * Dropped by firmware due to lack of buffer space.
+     */
+    FW_DROP_NOBUFS,
+    /**
+     * Dropped by firmware for any other reason.
+     */
+    FW_DROP_OTHER,
+    /**
+     * Queued within driver, not yet delivered to network stack.
+     */
+    DRV_QUEUED,
+    /**
+     * Dropped by driver due to filter rules.
+     */
+    DRV_DROP_FILTER,
+    /**
+     * Dropped by driver as invalid (e.g. not permitted in current state).
+     */
+    DRV_DROP_INVALID,
+    /**
+     * Dropped by driver due to lack of buffer space.
+     */
+    DRV_DROP_NOBUFS,
+    /**
+     * Dropped by driver for any other reason.
+     */
+    DRV_DROP_OTHER,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFateReport.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFateReport.aidl
new file mode 100644
index 0000000..f4d709c
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugRxPacketFateReport.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiDebugPacketFateFrameInfo;
+import android.hardware.wifi.WifiDebugRxPacketFate;
+
+/**
+ * Struct describing packet fate report for each Rx frame.
+ */
+@VintfStability
+parcelable WifiDebugRxPacketFateReport {
+    WifiDebugRxPacketFate fate;
+    WifiDebugPacketFateFrameInfo frameInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFate.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFate.aidl
new file mode 100644
index 0000000..717d62a
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFate.aidl
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Enum describing the fate of the TX packets.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiDebugTxPacketFate {
+    /**
+     * Sent over air and ACKed.
+     */
+    ACKED,
+    /**
+     * Sent over air but not ACKed (normal for broadcast/multicast).
+     */
+    SENT,
+    /**
+     * Queued within firmware, but not yet sent over air.
+     */
+    FW_QUEUED,
+    /**
+     * Dropped by firmware as invalid (e.g. bad source address, bad checksum,
+     * or invalid for current state).
+     */
+    FW_DROP_INVALID,
+    /**
+     * Dropped by firmware due to lack of buffer space.
+     */
+    FW_DROP_NOBUFS,
+    /**
+     * Dropped by firmware for any other reason. Includes frames that were sent
+     * by driver to the firmware, but unaccounted for by firmware.
+     */
+    FW_DROP_OTHER,
+    /**
+     * Queued within driver, not yet sent to firmware.
+     */
+    DRV_QUEUED,
+    /**
+     * Dropped by driver as invalid (e.g. bad source address, or invalid for
+     * current state).
+     */
+    DRV_DROP_INVALID,
+    /**
+     * Dropped by driver due to lack of buffer space.
+     */
+    DRV_DROP_NOBUFS,
+    /**
+     * Dropped by driver for any other reason.
+     */
+    DRV_DROP_OTHER,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFateReport.aidl b/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFateReport.aidl
new file mode 100644
index 0000000..b59b0a5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiDebugTxPacketFateReport.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiDebugPacketFateFrameInfo;
+import android.hardware.wifi.WifiDebugTxPacketFate;
+
+/**
+ * Struct describing packet fate report for each Tx frame.
+ */
+@VintfStability
+parcelable WifiDebugTxPacketFateReport {
+    WifiDebugTxPacketFate fate;
+    WifiDebugPacketFateFrameInfo frameInfo;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiIfaceMode.aidl b/wifi/aidl/android/hardware/wifi/WifiIfaceMode.aidl
new file mode 100644
index 0000000..f70c744
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiIfaceMode.aidl
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Interface operating modes.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiIfaceMode {
+    /**
+     * Interface operation mode is client.
+     */
+    IFACE_MODE_STA = 1 << 0,
+    /**
+     * Interface operation mode is Hotspot.
+     */
+    IFACE_MODE_SOFTAP = 1 << 1,
+    /**
+     * Interface operation mode is Ad-Hoc network.
+     */
+    IFACE_MODE_IBSS = 1 << 2,
+    /**
+     * Interface operation mode is Wifi Direct Client.
+     */
+    IFACE_MODE_P2P_CLIENT = 1 << 3,
+    /**
+     * Interface operation mode is Wifi Direct Group Owner.
+     */
+    IFACE_MODE_P2P_GO = 1 << 4,
+    /**
+     * Interface operation mode is Aware.
+     */
+    IFACE_MODE_NAN = 1 << 5,
+    /**
+     * Interface operation mode is Mesh network.
+     */
+    IFACE_MODE_MESH = 1 << 6,
+    /**
+     * Interface operation mode is Tunneled Direct Link Setup.
+     */
+    IFACE_MODE_TDLS = 1 << 7,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiInformationElement.aidl b/wifi/aidl/android/hardware/wifi/WifiInformationElement.aidl
new file mode 100644
index 0000000..f5f6de9
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiInformationElement.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Information elements contained within the |ScanResult| structure.
+ * These elements correspond to the IEEE_802.11 standard.
+ */
+@VintfStability
+parcelable WifiInformationElement {
+    byte id;
+    byte[] data;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRadioCombination.aidl b/wifi/aidl/android/hardware/wifi/WifiRadioCombination.aidl
new file mode 100644
index 0000000..28b15ed
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRadioCombination.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiRadioConfiguration;
+
+/**
+ * Wifi radio combination.
+ */
+@VintfStability
+parcelable WifiRadioCombination {
+    /**
+     * List of radio configurations in this combination.
+     */
+    WifiRadioConfiguration[] radioConfigurations;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
new file mode 100644
index 0000000..b79a818
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiRadioCombination;
+
+/**
+ * Wifi radio combinations matrix retrieved via
+ * |IWifiChip.getSupportedRadioCombinationsMatrix|.
+ */
+@VintfStability
+parcelable WifiRadioCombinationMatrix {
+    /**
+     * List of all the possible radio combinations that the chip can operate.
+     */
+    WifiRadioCombination[] radioCombinations;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRadioConfiguration.aidl b/wifi/aidl/android/hardware/wifi/WifiRadioConfiguration.aidl
new file mode 100644
index 0000000..ae8eff3
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRadioConfiguration.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiAntennaMode;
+import android.hardware.wifi.WifiBand;
+
+/**
+ * Wifi radio configuration.
+ */
+@VintfStability
+parcelable WifiRadioConfiguration {
+    /**
+     * Band on which this radio chain is operating.
+     * Valid values of bandInfo are: BAND_24GHZ, BAND_5GHZ, BAND_6GHZ and
+     * BAND_60GHZ.
+     *
+     */
+    WifiBand bandInfo;
+    /**
+     * Wifi Antenna configuration.
+     */
+    WifiAntennaMode antennaMode;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRateInfo.aidl b/wifi/aidl/android/hardware/wifi/WifiRateInfo.aidl
new file mode 100644
index 0000000..c4e285e
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRateInfo.aidl
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelWidthInMhz;
+import android.hardware.wifi.WifiRateNss;
+import android.hardware.wifi.WifiRatePreamble;
+
+/**
+ * Wifi rate info.
+ */
+@VintfStability
+parcelable WifiRateInfo {
+    /**
+     * Preamble used for RTT measurements.
+     */
+    WifiRatePreamble preamble;
+    /**
+     * Number of spatial streams.
+     */
+    WifiRateNss nss;
+    /**
+     * Bandwidth of channel.
+     */
+    WifiChannelWidthInMhz bw;
+    /**
+     * OFDM/CCK rate code as per IEEE std in units of 0.5mbps.
+     * HT/VHT/HE/EHT would be mcs index.
+     */
+    byte rateMcsIdx;
+    /**
+     * Bitrate in units of 100 Kbps.
+     */
+    int bitRateInKbps;
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRateNss.aidl b/wifi/aidl/android/hardware/wifi/WifiRateNss.aidl
new file mode 100644
index 0000000..0c263a5
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRateNss.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Number of spatial streams in VHT/HT.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiRateNss {
+    NSS_1x1 = 0,
+    NSS_2x2 = 1,
+    NSS_3x3 = 2,
+    NSS_4x4 = 3,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiRatePreamble.aidl b/wifi/aidl/android/hardware/wifi/WifiRatePreamble.aidl
new file mode 100644
index 0000000..116e46a
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiRatePreamble.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Wifi Rate Preamble.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiRatePreamble {
+    OFDM = 0,
+    CCK = 1,
+    HT = 2,
+    VHT = 3,
+    RESERVED = 4,
+    /**
+     * Preamble type for 11ax.
+     */
+    HE = 5,
+    /**
+     * Preamble type for 11be.
+     */
+    EHT = 6,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiStatusCode.aidl b/wifi/aidl/android/hardware/wifi/WifiStatusCode.aidl
new file mode 100644
index 0000000..30817f3
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiStatusCode.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+/**
+ * Enum values indicating the status of the WiFi operation.
+ */
+@VintfStability
+@Backing(type="int")
+enum WifiStatusCode {
+    /**
+     * No errors.
+     */
+    SUCCESS,
+    /**
+     * Method invoked on an invalid |IWifiChip| object.
+     */
+    ERROR_WIFI_CHIP_INVALID,
+    /**
+     * Method invoked on an invalid |IWifiIface| object.
+     */
+    ERROR_WIFI_IFACE_INVALID,
+    /**
+     * Method invoked on an invalid |IWifiRttController| object.
+     */
+    ERROR_WIFI_RTT_CONTROLLER_INVALID,
+    ERROR_NOT_SUPPORTED,
+    ERROR_NOT_AVAILABLE,
+    ERROR_NOT_STARTED,
+    ERROR_INVALID_ARGS,
+    ERROR_BUSY,
+    ERROR_UNKNOWN,
+}
diff --git a/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl b/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl
new file mode 100644
index 0000000..d92e4cc
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi;
+
+import android.hardware.wifi.WifiChannelWidthInMhz;
+import android.hardware.wifi.WifiIfaceMode;
+
+/**
+ * Wifi usable channel information.
+ */
+@VintfStability
+parcelable WifiUsableChannel {
+    /**
+     * Wifi channel freqeuncy in MHz.
+     */
+    int channel;
+    /**
+     * Wifi channel bandwidth in MHz.
+     */
+    WifiChannelWidthInMhz channelBandwidth;
+    /**
+     * Iface modes feasible on this channel.
+     */
+    WifiIfaceMode ifaceModeMask;
+}