platform_hardware_interfaces/wifi/1.3/IWifiChip.hal

/*
 * Copyright 2018 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@1.3;

import @1.0::WifiStatus;
import @1.2::IWifiChip;

/**
 * Interface that represents a chip that must be configured as a single unit.
 */
interface IWifiChip extends @1.2::IWifiChip {

    /**
     * Capabilities exposed by this chip.
     */
    enum ChipCapabilityMask : @1.2::IWifiChip.ChipCapabilityMask {
        /**
         * Set Latency Mode.
         */
        SET_LATENCY_MODE = 1 << 12,

        /**
         * Support P2P MAC randomization
         */
        P2P_RAND_MAC = 1 << 13
    };

    /**
     * Get the capabilities supported by this chip.
     *
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
     *         |WifiStatusCode.ERROR_UNKNOWN|
     * @return capabilities Bitset of |ChipCapabilityMask| values.
     */
    getCapabilities_1_3()
      generates (WifiStatus status, bitfield<ChipCapabilityMask> capabilities);

    /**
     * This enum represents the different latency modes that can be set through
     * setLatencyMode()
     */
    enum LatencyMode : uint32_t {
        NORMAL    = 0,
        LOW       = 1
    };

    /**
     * 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.
     */
    setLatencyMode(LatencyMode mode) generates (WifiStatus status);

    /**
     * API to flush debug ring buffer data to files.
     *
     * Force flush debug ring buffer using IBase::debug.
     * This API help to collect firmware/driver/pkt logs.
     *
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.UNKNOWN|
     */
    flushRingBufferToFile() generates (WifiStatus status);
};