Remove unused wifi offload HAL.

Bug: 280901687
Test: m
Change-Id: Iad9a2c470b27fbe5432fd5a88244162f8f73a71c
diff --git a/wifi/offload/1.0/Android.bp b/wifi/offload/1.0/Android.bp
deleted file mode 100644
index 8fd602d..0000000
--- a/wifi/offload/1.0/Android.bp
+++ /dev/null
@@ -1,24 +0,0 @@
-// This file is autogenerated by hidl-gen -Landroidbp.
-
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "hardware_interfaces_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["hardware_interfaces_license"],
-}
-
-hidl_interface {
-    name: "android.hardware.wifi.offload@1.0",
-    root: "android.hardware",
-    srcs: [
-        "types.hal",
-        "IOffload.hal",
-        "IOffloadCallback.hal",
-    ],
-    interfaces: [
-        "android.hidl.base@1.0",
-    ],
-    gen_java: false,
-}
diff --git a/wifi/offload/1.0/IOffload.hal b/wifi/offload/1.0/IOffload.hal
deleted file mode 100644
index 4819519..0000000
--- a/wifi/offload/1.0/IOffload.hal
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright 2016 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.offload@1.0;
-
-import IOffloadCallback;
-
-interface IOffload {
-    /**
-     * Configure the offload module to perform scans and filter results
-     * Scans must not be triggered due to configuration of the module.
-     *
-     * @param ScanParam paramters for scanning
-     * @param ScanFilter settings to filter scan result
-     * @return OffloadStatus indicating status of operation provided by this API
-     * If OffloadStatusCode::OK is returned, the operation was successful
-     * If OffloadStatusCode::NO_CONNECTION is returned, connection to the hardware is lost
-     * If OffloadStatusCode::ERROR is returned, requested operation could not be completed
-     */
-    @entry
-    @callflow(next={"setEventCallback", "subscribeScanResults"})
-    configureScans(ScanParam param, ScanFilter filter) generates (OffloadStatus status);
-
-    /**
-     * Get scan statistics
-     *
-     * @return OffloadStatus indicating status of operation provided by this API
-     * @return ScanStats statistics of scans performed
-     * If OffloadStatusCode::OK is returned, the operation was successful
-     * If OffloadStatusCode::NO_CONNECTION is returned, connection to the hardware is lost
-     * If OffloadStatusCode::ERROR is returned, requested operation could not be completed
-     * If OffloadStatusCode::TIMEOUT is returned, time out waiting for the requested data
-     */
-    @exit
-    @callflow(next={"subscribeScanResults", "unsubscribeScanResults", "getScanStats"})
-    getScanStats() generates (OffloadStatus status, ScanStats scanStats);
-
-    /**
-     * Subscribe to asynchronous scan events sent by offload module. This enables
-     * offload scans to be performed as per scan parameters, filtering the scan
-     * results based on configured scan filter and delivering the results after
-     * at least delayMs milliseconds from this call. If the client is already
-     * subscribed to the scan results, a call to this API must be a no-op.
-     *
-     * @param delayMs an integer expressing the minimum delay in mS after
-     *        subscribing when scan results must be delivered to the client
-     * @return OffloadStatus indicating status of operation provided by this API
-     * If OffloadStatusCode::OK is returned, the operation was successful
-     * If OffloadStatusCode::NO_CONNECTION is returned, connection to the hardware is lost
-     * If OffloadStatusCode::ERROR is returned, requested operation could not be completed
-     */
-    @callflow(next={"unsubscribeScanResults", "getScanStats"})
-    subscribeScanResults(uint32_t delayMs) generates (OffloadStatus status);
-
-    /**
-     * Unsubscribe to scan events sent by the offload module, hence disabling scans.
-     * If the client is already unsubscribed, a call to this API will be a no-op.
-     */
-    @exit
-    @callflow(next={"*"})
-    unsubscribeScanResults();
-
-    /**
-     * Setup the HIDL interface for reporting asynchronous scan events. A maximum
-     * of one callback interface is supported. Only one callback must be registered
-     * at any given time. If two consecutive calls are made with different callback
-     * interface objects, the latest one must be used to deliver events to client.
-     *
-     * @param cb An instance of the |IOffloadCallback| HIDL interface object
-     */
-    @entry
-    @callflow(next={"subscribeScanStats", "configureScans"})
-    setEventCallback(IOffloadCallback cb);
-};
diff --git a/wifi/offload/1.0/IOffloadCallback.hal b/wifi/offload/1.0/IOffloadCallback.hal
deleted file mode 100644
index 4888125..0000000
--- a/wifi/offload/1.0/IOffloadCallback.hal
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2016 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.offload@1.0;
-
-interface IOffloadCallback {
-    /**
-     * Interface for the Offload HAL to return scan events to the client
-     *
-     * @param scanResult a vector of scan result objects
-     */
-    oneway onScanResult(vec<ScanResult> scanResult);
-    /**
-     * Interface for the Offload HAL to inform the client of error conditions
-     * see OffloadStatus for the error conditions to be reported
-     *
-     * @param status OffloadStatus
-     */
-    oneway onError(OffloadStatus status);
-};
diff --git a/wifi/offload/1.0/types.hal b/wifi/offload/1.0/types.hal
deleted file mode 100644
index 234f3fc..0000000
--- a/wifi/offload/1.0/types.hal
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Copyright 2017 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.offload@1.0;
-
-/**
- * Defines a bitmap of security modes
- */
-enum SecurityMode : uint8_t {
-    OPEN                    = 0x1 << 1,
-    WEP                     = 0x1 << 2,
-    PSK                     = 0x1 << 3,
-    EAP                     = 0x1 << 4,
-};
-
-/**
- * SSID of the Access Point, maximum 32 characters
- */
-typedef vec<uint8_t> Ssid;
-
-/**
- * Preferred network information
- * SSID and associated security mode(s)
- */
-struct NetworkInfo {
-    Ssid ssid;
-    /* SecurityMode flags that are associated with this SSID
-     * More than one security mode can be supported, see SecurityMode */
-    bitfield<SecurityMode> flags;
-};
-
-/**
- * This is a bit mask describing the capabilities of a BSS.
- * See IEEE Std 802.11: 8.4.1.4
- */
-enum Capability : uint16_t {
-    ESS                     = 1 << 0,
-    IBSS                    = 1 << 1,
-    CF_POLLABLE             = 1 << 2,
-    CF_PLL_REQ              = 1 << 3,
-    PRIVACY                 = 1 << 4,
-    SHORT_PREAMBLE          = 1 << 5,
-    PBCC                    = 1 << 6,
-    CHANNEL_AGILITY         = 1 << 7,
-    SPECTURM_MGMT           = 1 << 8,
-    QOS                     = 1 << 9,
-    SHORT_SLOT_TIME         = 1 << 10,
-    APSD                    = 1 << 11,
-    RADIO_MEASUREMENT       = 1 << 12,
-    DSSS_OFDM               = 1 << 13,
-    DELAYED_BLOCK_ACK       = 1 << 14,
-    IMMEDIATE_BLOCK_ACK     = 1 << 15,
-};
-
-/**
- * Scan Results returned by the offload Hal
- */
-struct ScanResult {
-    /* Information about this BSS
-     * SSID and security modes supported */
-    NetworkInfo networkInfo;
-    /* BSSID of the BSS */
-    uint8_t[6] bssid;
-    /* Can have multiple bits set, see Capability */
-    bitfield<Capability> capability;
-    /* Frequency scanned, in mHz */
-    uint32_t frequency;
-    /* Signal strength in dBm */
-    int8_t rssi;
-    /* TSF found in beacon/probe response */
-    uint64_t tsf;
-};
-
-
-/**
- * Parameters for performing offload scans
- */
-struct ScanParam {
-    /* Specify a list of SSIDs to scan, an empty list implies no preferred
-     * networks to scan */
-    vec<Ssid> ssidList;
-    /* Frequencies to scan, in mHz, an empty frequency list implies a full scan */
-    vec<uint32_t> frequencyList;
-    /* Periodicity of the scans to be performed by the offload module
-     * A value of zero indicates disable periodic scans. For this revision,
-     * where offload module is performing scans in disconnected mode, this value
-     * should not be zero. In future versions, periodic scans can be eliminated */
-    uint32_t disconnectedModeScanIntervalMs;
-};
-
-/**
- * Instruction on how to filter the scan result before performing network
- * selection and waking up the AP to connect
- */
-struct ScanFilter {
-    /* Preferred network List of SSIDs and their security mode of interest
-     * The filter will drop the remaining scan results in the scan event.
-     * An empty list implies no filtering of scan result based on SSID and
-     * security mode. */
-    vec<NetworkInfo> preferredNetworkInfoList;
-    /* Minimum qualifying RSSI to be considered for network selection (dBm) */
-    int8_t rssiThreshold;
-};
-
-struct ScanRecord {
-    /* Amount of time spent scanning */
-    uint64_t durationMs;
-    /* Number of channels scanned */
-    uint32_t numChannelsScanned;
-    /* Number of entries aggregated into this record */
-    uint32_t numEntriesAggregated;
-};
-
-/**
- * Enumerates the type of log that is recorded
- */
-enum RecordName : uint32_t {
-    CMD_BASE                        = 0x00001000,
-    /* Record name corresponding to initialization */
-    CMD_INT                         = CMD_BASE + 0,
-   /* Record name corresponding to configureScans() API */
-    CMD_CONFIG_SCANS                = CMD_BASE + 1,
-    /* Record name corresponding to subscribeScanResults() API */
-    CMD_SUBSCRIBE_SCAN_RESULTS      = CMD_BASE + 2,
-    /* Record name corresponding to unsubscribeScanResults() API */
-    CMD_UNSUBSCRIBE_SCAN_RESULTS    = CMD_BASE + 3,
-    /* Record name corresponding to getScanStats() API */
-    CMD_GET_SCAN_STATS              = CMD_BASE + 4,
-    /* Record name corresponding to a reset*/
-    CMD_RESET                       = CMD_BASE + 5,
-    /* Add new commands here */
-    EVENT_RECVD_BASE                = 0x00002000,
-    /* Record name corresponding to scan monitor event*/
-    EVENT_RECVD_SCAN_RESULT_ASYNC   = EVENT_RECVD_BASE + 0,
-    /* Record name corresponding to scan response event */
-    EVENT_RECVD_SCAN_RESULT         = EVENT_RECVD_BASE + 1,
-    /* Add new events received here */
-    EVENT_SENT_BASE                 = 0x00003000,
-    /* Record name corresponding to scan event sent */
-    EVENT_SENT_SCAN_RESULT          = EVENT_SENT_BASE + 0,
-    /* Record name corresponding to abort event sent */
-    EVENT_SENT_ABORT                = EVENT_SENT_BASE + 1,
-    /* Record name corresponding to error event sent */
-    EVENT_SENT_ERROR                = EVENT_SENT_BASE + 2,
-    /* Add new events sent here */
-    REQ_BASE                        = 0x00004000,
-    /* Record name corresponding to scan request sent*/
-    REQ_SCAN                        = REQ_BASE + 0,
-    /* Add new requests here */
-};
-
-/**
- * Defines the structure of each log record
- */
-struct LogRecord {
-    /* Indicates the log recorded */
-    RecordName recordName;
-    /* Platform reference time in milliseconds when the log is recorded */
-    uint64_t logTimeMs;
-};
-
-/**
- * Defines the scan statistics to be returned to the framework
- */
-struct ScanStats {
-    /* Incremented everytime a new scan is requested */
-    uint32_t numScansRequestedByWifi;
-    /* Incremented everytime the scan is serviced by performing a scan*/
-    uint32_t numScansServicedByWifi;
-    /* Incremented everytime the scan is serviced by the scan cache */
-    uint32_t numScansServicedbyCache;
-    /* The last (CHRE reference) time this data structure is updated */
-    uint64_t lastUpdated;
-    /* The last (CHRE reference) time this data structure is read */
-    uint64_t lastRead;
-    /* The total time when the Offload module could be performing scans (T2 - T1)
-     * T1 - time when the framework subscribes for scan result (includes delayMs)
-     * T2 - min (time when the framework unsubscribes for scan result,
-     * currentTime) */
-    uint64_t subscriptionDurationMs;
-    /* Histograms of the channels scanned, 802.11 and with an 8 bit
-     * representation, only 256 channels are available */
-    uint8_t[256] histogramChannelsScanned;
-    /* Scan Record for this subscribe duration */
-    vec<ScanRecord> scanRecord;
-    /* Vector of the logRecord entries */
-    vec<LogRecord> logRecord;
-};
-
-/**
- * Defines a list of return codes to indicate status of Offload HAL
- */
-enum OffloadStatusCode : uint32_t {
-    /* No error */
-    OK,
-    /* No Connection to underlying implementation */
-    NO_CONNECTION,
-    /* Operation timeout */
-    TIMEOUT,
-    /* Other errors */
-    ERROR
-};
-
-/**
- * Generic structures to return the status of an operation
- */
-struct OffloadStatus {
-  OffloadStatusCode code;
-  /* Error message */
-  string description;
-};
-
-
-
diff --git a/wifi/offload/1.0/vts/functional/Android.bp b/wifi/offload/1.0/vts/functional/Android.bp
deleted file mode 100644
index a0eb048..0000000
--- a/wifi/offload/1.0/vts/functional/Android.bp
+++ /dev/null
@@ -1,32 +0,0 @@
-//
-// Copyright (C) 2017 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 {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "hardware_interfaces_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["hardware_interfaces_license"],
-}
-
-cc_test {
-    name: "VtsHalWifiOffloadV1_0TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: ["VtsHalWifiOffloadV1_0TargetTest.cpp"],
-    static_libs: ["android.hardware.wifi.offload@1.0"],
-    test_suites: ["general-tests", "vts"],
-}
diff --git a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp b/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
deleted file mode 100644
index ffd5149..0000000
--- a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-#define LOG_TAG "wifi_offload_hidl_hal_test"
-
-#include <android-base/logging.h>
-#include <android/hardware/wifi/offload/1.0/IOffload.h>
-#include <android/hardware/wifi/offload/1.0/IOffloadCallback.h>
-#include <android/hardware/wifi/offload/1.0/types.h>
-#include <gtest/gtest.h>
-#include <hidl/GtestPrinter.h>
-#include <hidl/ServiceManagement.h>
-
-#include <VtsHalHidlTargetCallbackBase.h>
-
-#include <vector>
-
-#include "hidl_call_util.h"
-
-using ::android::hardware::wifi::offload::V1_0::IOffload;
-using ::android::hardware::wifi::offload::V1_0::IOffloadCallback;
-using ::android::hardware::wifi::offload::V1_0::ScanResult;
-using ::android::hardware::wifi::offload::V1_0::ScanParam;
-using ::android::hardware::wifi::offload::V1_0::Ssid;
-using ::android::hardware::wifi::offload::V1_0::NetworkInfo;
-using ::android::hardware::wifi::offload::V1_0::ScanFilter;
-using ::android::hardware::wifi::offload::V1_0::ScanStats;
-using ::android::hardware::wifi::offload::V1_0::OffloadStatus;
-using ::android::hardware::wifi::offload::V1_0::OffloadStatusCode;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_vec;
-using ::android::sp;
-
-constexpr char kOffloadCallbackSendScanResult[] = "onScanResult";
-constexpr char kOffloadCallbackSendError[] = "onError";
-
-namespace {
-const uint8_t kSsid1[] = {'G', 'o', 'o', 'g', 'l', 'e'};
-const uint8_t kSsid2[] = {'X', 'f', 'i', 'n', 'i', 't', 'y'};
-const uint8_t kBssid[6] = {0x12, 0xef, 0xa1, 0x2c, 0x97, 0x8b};
-const int16_t kRssi = -60;
-const uint32_t kFrequency = 2412;
-const uint8_t kBssidSize = 6;
-const uint64_t kTsf = 0;
-const uint16_t kCapability = 0;
-const uint8_t kNetworkFlags = 0;
-const uint32_t kFrequency1 = 2412;
-const uint32_t kFrequency2 = 2437;
-const uint32_t kDisconnectedModeScanIntervalMs = 5000;
-const int16_t kRssiThreshold = -76;
-}
-
-class OffloadCallbackArgs {
-   public:
-    hidl_vec<ScanResult> scan_results_;
-    OffloadStatus error_code_;
-};
-
-// The main test class for WifiOffload HIDL HAL.
-class WifiOffloadHidlTest : public ::testing::TestWithParam<std::string> {
-   public:
-    virtual void SetUp() override {
-        wifi_offload_ = IOffload::getService(GetParam());
-        ASSERT_NE(wifi_offload_, nullptr);
-
-        wifi_offload_cb_ = new OffloadCallback();
-        ASSERT_NE(wifi_offload_cb_, nullptr);
-    }
-
-    virtual void TearDown() override {}
-
-    /* Callback class for Offload HAL. */
-    class OffloadCallback
-        : public ::testing::VtsHalHidlTargetCallbackBase<OffloadCallbackArgs>,
-          public IOffloadCallback {
-       public:
-        OffloadCallback(){};
-
-        virtual ~OffloadCallback() = default;
-
-        Return<void> onScanResult(
-            const hidl_vec<ScanResult>& scan_result) override {
-            OffloadCallbackArgs args;
-            args.scan_results_ = scan_result;
-            NotifyFromCallback(kOffloadCallbackSendScanResult, args);
-            return Void();
-        };
-
-        Return<void> onError(const OffloadStatus& status) override {
-            OffloadCallbackArgs args;
-            args.error_code_ = status;
-            NotifyFromCallback(kOffloadCallbackSendError, args);
-            return Void();
-        }
-    };
-
-    sp<IOffload> wifi_offload_;
-    sp<OffloadCallback> wifi_offload_cb_;
-};
-
-/*
- * Verify that setEventCallback method returns without errors
- */
-TEST_P(WifiOffloadHidlTest, setEventCallback) {
-    auto returnObject = wifi_offload_->setEventCallback(wifi_offload_cb_);
-    ASSERT_EQ(true, returnObject.isOk());
-}
-
-/*
- * Verify that subscribeScanResults method returns without errors
- */
-TEST_P(WifiOffloadHidlTest, subscribeScanResults) {
-    const auto& result = HIDL_INVOKE(wifi_offload_, subscribeScanResults, 0);
-    ASSERT_EQ(OffloadStatusCode::OK, result.code);
-}
-
-/*
- * Verify that unsubscribeScanResults method returns without errors
- */
-TEST_P(WifiOffloadHidlTest, unsubscribeScanResults) {
-    auto returnObject = wifi_offload_->unsubscribeScanResults();
-    ASSERT_EQ(true, returnObject.isOk());
-}
-
-/*
- * Verify that configureScans method returns without errors
- */
-TEST_P(WifiOffloadHidlTest, configureScans) {
-    ScanParam* pScanParam = new ScanParam();
-    std::vector<uint32_t> frequencyList = {kFrequency1, kFrequency2};
-    pScanParam->disconnectedModeScanIntervalMs =
-        kDisconnectedModeScanIntervalMs;
-    pScanParam->frequencyList = frequencyList;
-    std::vector<Ssid> ssidList;
-    std::vector<std::vector<uint8_t>> ssids{kSsid1, kSsid2};
-    for (const auto& ssid : ssids) {
-        Ssid tmp = ssid;
-        ssidList.push_back(tmp);
-    }
-    pScanParam->ssidList = ssidList;
-    ScanFilter* pScanFilter = new ScanFilter();
-    pScanFilter->rssiThreshold = kRssiThreshold;
-    std::vector<std::vector<uint8_t>> match_ssids{kSsid1, kSsid2};
-    std::vector<uint8_t> security_flags{kNetworkFlags, kNetworkFlags};
-    std::vector<NetworkInfo> preferredNetworksList;
-    for (size_t i = 0; i < security_flags.size(); i++) {
-        NetworkInfo nwInfo;
-        nwInfo.ssid = match_ssids[i];
-        nwInfo.flags = security_flags[i];
-        preferredNetworksList.push_back(nwInfo);
-    }
-    const auto& result =
-        HIDL_INVOKE(wifi_offload_, configureScans, *pScanParam, *pScanFilter);
-    ASSERT_EQ(OffloadStatusCode::OK, result.code);
-}
-
-/*
- * Verify that getScanStats returns without any errors
- */
-TEST_P(WifiOffloadHidlTest, getScanStats) {
-    const auto& result = HIDL_INVOKE(wifi_offload_, getScanStats);
-    OffloadStatus status = result.first;
-    ASSERT_EQ(OffloadStatusCode::OK, status.code);
-}
-
-/*
- * Verify that onScanResult callback is invoked
- */
-TEST_P(WifiOffloadHidlTest, getScanResults) {
-    wifi_offload_->setEventCallback(wifi_offload_cb_);
-    std::vector<ScanResult> scan_results;
-    std::vector<uint8_t> ssid(kSsid1, kSsid1 + sizeof(kSsid1));
-    ScanResult scan_result;
-    scan_result.tsf = kTsf;
-    scan_result.rssi = kRssi;
-    scan_result.frequency = kFrequency;
-    scan_result.capability = kCapability;
-    memcpy(&scan_result.bssid[0], &kBssid[0], kBssidSize);
-    scan_result.networkInfo.ssid = ssid;
-    scan_result.networkInfo.flags = kNetworkFlags;
-    scan_results.push_back(scan_result);
-    wifi_offload_cb_->onScanResult(scan_results);
-    auto res =
-        wifi_offload_cb_->WaitForCallback(kOffloadCallbackSendScanResult);
-    ASSERT_EQ(true, res.no_timeout);
-}
-
-/*
- * Verify that onError callback is invoked
- */
-TEST_P(WifiOffloadHidlTest, getError) {
-    wifi_offload_->setEventCallback(wifi_offload_cb_);
-    OffloadStatus status = {OffloadStatusCode::ERROR, ""};
-    wifi_offload_cb_->onError(status);
-    auto res = wifi_offload_cb_->WaitForCallback(kOffloadCallbackSendError);
-    ASSERT_EQ(true, res.no_timeout);
-}
-
-GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiOffloadHidlTest);
-INSTANTIATE_TEST_SUITE_P(
-    PerInstance, WifiOffloadHidlTest,
-    testing::ValuesIn(
-        android::hardware::getAllHalInstanceNames(IOffload::descriptor)),
-    android::hardware::PrintInstanceNameToString);
\ No newline at end of file
diff --git a/wifi/offload/1.0/vts/functional/hidl_call_util.h b/wifi/offload/1.0/vts/functional/hidl_call_util.h
deleted file mode 100644
index 99868e8..0000000
--- a/wifi/offload/1.0/vts/functional/hidl_call_util.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2017 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.
- */
-
-#pragma once
-
-#include <functional>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-
-namespace {
-namespace detail {
-template <typename>
-struct functionArgSaver;
-
-// Provides a std::function that takes one argument, and a buffer
-// wherein the function will store its argument. The buffer has
-// the same type as the argument, but with const and reference
-// modifiers removed.
-template <typename ArgT>
-struct functionArgSaver<std::function<void(ArgT)>> final {
-    using StorageT = typename std::remove_const<
-        typename std::remove_reference<ArgT>::type>::type;
-
-    std::function<void(ArgT)> saveArgs = [this](ArgT arg) {
-        this->saved_values = arg;
-    };
-
-    StorageT saved_values;
-};
-
-// Provides a std::function that takes two arguments, and a buffer
-// wherein the function will store its arguments. The buffer is a
-// std::pair, whose elements have the same types as the arguments
-// (but with const and reference modifiers removed).
-template <typename Arg1T, typename Arg2T>
-struct functionArgSaver<std::function<void(Arg1T, Arg2T)>> final {
-    using StorageT =
-        std::pair<typename std::remove_const<
-                      typename std::remove_reference<Arg1T>::type>::type,
-                  typename std::remove_const<
-                      typename std::remove_reference<Arg2T>::type>::type>;
-
-    std::function<void(Arg1T, Arg2T)> saveArgs = [this](Arg1T arg1,
-                                                        Arg2T arg2) {
-        this->saved_values = {arg1, arg2};
-    };
-
-    StorageT saved_values;
-};
-
-// Provides a std::function that takes three or more arguments, and a
-// buffer wherein the function will store its arguments. The buffer is a
-// std::tuple whose elements have the same types as the arguments (but
-// with const and reference modifiers removed).
-template <typename... ArgT>
-struct functionArgSaver<std::function<void(ArgT...)>> final {
-    using StorageT = std::tuple<typename std::remove_const<
-        typename std::remove_reference<ArgT>::type>::type...>;
-
-    std::function<void(ArgT...)> saveArgs = [this](ArgT... arg) {
-        this->saved_values = {arg...};
-    };
-
-    StorageT saved_values;
-};
-
-// Invokes |method| on |object|, providing |method| a CallbackT as the
-// final argument. Returns a copy of the parameters that |method| provided
-// to CallbackT. (The parameters are returned by value.)
-template <typename CallbackT, typename MethodT, typename ObjectT,
-          typename... ArgT>
-typename functionArgSaver<CallbackT>::StorageT invokeMethod(
-    MethodT method, ObjectT object, ArgT&&... methodArg) {
-    functionArgSaver<CallbackT> result_buffer;
-    const auto& res = ((*object).*method)(std::forward<ArgT>(methodArg)...,
-                                          result_buffer.saveArgs);
-    EXPECT_TRUE(res.isOk());
-    return result_buffer.saved_values;
-}
-}  // namespace detail
-}  // namespace
-
-// Invokes |method| on |strong_pointer|, passing provided arguments through to
-// |method|.
-//
-// Returns either:
-// - A copy of the result callback parameter (for callbacks with a single
-//   parameter), OR
-// - A pair containing a copy of the result callback parameters (for callbacks
-//   with two parameters), OR
-// - A tuple containing a copy of the result callback paramters (for callbacks
-//   with three or more parameters).
-//
-// Example usage:
-//   EXPECT_EQ(WifiStatusCode::SUCCESS,
-//       HIDL_INVOKE(strong_pointer, methodReturningWifiStatus).code);
-//   EXPECT_EQ(WifiStatusCode::SUCCESS,
-//       HIDL_INVOKE(strong_pointer, methodReturningWifiStatusAndOneMore)
-//         .first.code);
-//   EXPECT_EQ(WifiStatusCode::SUCCESS, std::get<0>(
-//       HIDL_INVOKE(strong_pointer, methodReturningWifiStatusAndTwoMore))
-//         .code);
-#define HIDL_INVOKE(strong_pointer, method, ...)                              \
-    (detail::invokeMethod<                                                    \
-        std::remove_reference<decltype(*strong_pointer)>::type::method##_cb>( \
-        &std::remove_reference<decltype(*strong_pointer)>::type::method,      \
-        strong_pointer, ##__VA_ARGS__))