wifi/hostapd/1.2/IHostapd.hal

/*
 * Copyright 2019 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.hostapd@1.2;

import @1.0::IHostapd.EncryptionType;
import @1.0::IHostapd.NetworkParams;
import @1.1::IHostapd;
import HostapdStatus;
import MacAddress;
import Ieee80211ReasonCode;
import DebugLevel;

/**
 * Top-level object for managing SoftAPs.
 */
interface IHostapd extends @1.1::IHostapd {
    /** Possible Security types. */
    enum EncryptionType : @1.0::IHostapd.EncryptionType {
        WPA3_SAE_TRANSITION,
        WPA3_SAE,
    };

    /**
     * Band bitmMask to use for the SoftAp operations.
     * A combinatoin of these bits are used to identify the allowed bands
     * to start the softAp
     */
    enum BandMask : uint32_t {
        /**
         * 2.4 GHz band.
         */
        BAND_2_GHZ = 1 << 0,
        /**
         * 5 GHz band.
         */
        BAND_5_GHZ = 1 << 1,
        /**
         * 6 GHz band.
         */
        BAND_6_GHZ = 1 << 2,
    };

    /**
     * Parameters to control the HW mode for the interface.
     */
    struct HwModeParams {
        /**
         * Whether IEEE 802.11ax (HE) is enabled or not.
         * Note: hw_mode=a is used to specify that 5 GHz band or 6 GHz band is
         * used with HE.
         */
        bool enable80211AX;

        /**
         * Whether 6GHz band enabled or not on softAp.
         * Note: hw_mode=a is used to specify that 5 GHz band or 6 GHz band is
         * used.
         */
        bool enable6GhzBand;

        /**
         * Whether HE single user beamformer in enabled or not on softAp.
         * Note: this is only applicable if 802.11ax is supported for softAp
         */
        bool enableHeSingleUserBeamformer;

        /**
         * Whether HE single user beamformee is enabled or not on softAp.
         * Note: this is only applicable if 802.11ax is supported for softAp
         */
        bool enableHeSingleUserBeamformee;

        /**
         * Whether HE multiple user beamformer is enabled or not on softAp.
         * Note: this is only applicable if 802.11ax is supported for softAp
         */
        bool enableHeMultiUserBeamformer;

        /**
         * Used BSS Color for softAp running in 802.11ax mode
         * Note: this is only applicable if 802.11ax is supported for softAp
         */
        uint32_t heBssColor;

        /**
         * Whether HE Target Wait Time (TWT) is enabled or not on softAp.
         * Note: this is only applicable if 802.11ax is supported for softAp
         */
        bool enableHeTargetWakeTime;
    };

    /**
     * Parameters to specify the channel frequency range for ACS.
     */
    struct AcsFrequencyRange {
        /**
         * Channel Frequency (in MHz) at the start of the range.
         */
        uint32_t start;

        /**
         * Channel Frequency (in MHz) at the end of the range.
         */
        uint32_t end;
    };

    /**
     * Parameters to control the channel selection for the interface.
     */
    struct ChannelParams {
        /**
         * Band to use for the SoftAp operations.
         */
        bitfield<BandMask> bandMask;

        /**
         * This option can be used to specify the channel frequencies (in MHz) selected by ACS.
         * If this is an empty list, all channels allowed in selected HW mode
         * are specified implicitly.
         * Note: channels may be overridden by firmware.
         * Note: this option is ignored if ACS is disabled.
         */
        vec<AcsFrequencyRange> acsChannelFreqRangesMhz;
    };

    /**
     * Parameters to use for setting up the access point interface.
     */
    struct IfaceParams {
        /**
         * Baseline information as defined in HAL 1.1.
         */
        @1.1::IHostapd.IfaceParams V1_1;

        /**
         * Additional Hw mode params for the interface
         */
        HwModeParams hwModeParams;

        /**
         * Additional Channel params for the interface
         */
        ChannelParams channelParams;
    };

    /**
     * Parameters to use for setting up the access point network.
     */
    struct NetworkParams {
        /**
         * Baseline information as defined in HAL 1.0.
         */
        @1.0::IHostapd.NetworkParams V1_0;
        /** Key management mask for the replace V1_0.encryptionType. */
        EncryptionType encryptionType;
        /**
         * Passphrase for WPA3_SAE network, WPA3_SAE_TRANSITION and
         * WPA2_PSK. Replaces @1.0::IHostapd.NetworkParams.pskPassphrase.
         */
        string passphrase;
    };


    /**
     * Adds a new access point for hostapd to control.
     *
     * This should trigger the setup of an access point with the specified
     * interface and network params.
     *
     * @param ifaceParams AccessPoint Params for the access point.
     * @param nwParams Network Params for the access point.
     * @return status Status of the operation.
     *         Possible status codes:
     *         |HostapdStatusCode.SUCCESS|,
     *         |HostapdStatusCode.FAILURE_ARGS_INVALID|,
     *         |HostapdStatusCode.FAILURE_UNKNOWN|,
     *         |HostapdStatusCode.FAILURE_IFACE_EXISTS|
     */
    addAccessPoint_1_2(IfaceParams ifaceParams, NetworkParams nwParams)
        generates (HostapdStatus status);

    /**
     * force one of the hotspot clients disconnect..
     *
     * @param ifaceName Name of the interface.
     * @param clientAddress Mac Address of the hotspot client.
     * @param reasonCode One of disconnect reason code which defined by 802.11.
     * @return status Status of the operation.
     *         Possible status codes:
     *         |HostapdStatusCode.SUCCESS|,
     *         |HostapdStatusCode.FAILURE_IFACE_UNKNOWN|
     *         |HostapdStatusCode.FAILURE_CLIENT_UNKNOWN|
     */
    forceClientDisconnect(string ifaceName, MacAddress clientAddress,
        Ieee80211ReasonCode reasonCode) generates (HostapdStatus status);

    /**
     * Set debug parameters for the hostapd.
     *
     * @param level Debug logging level for the hostapd.
     *        (one of |DebugLevel| values).
     * @return status Status of the operation.
     *         Possible status codes:
     *         |HostapdStatusCode.SUCCESS|,
     *         |HostapdStatusCode.FAILURE_UNKNOWN|
     */
    setDebugParams(DebugLevel level)
        generates (HostapdStatus status);
};