diff --git a/wifi/1.6/default/tests/hidl_struct_util_unit_tests.cpp b/wifi/1.6/default/tests/hidl_struct_util_unit_tests.cpp
new file mode 100644
index 0000000..0dd0aa1
--- /dev/null
+++ b/wifi/1.6/default/tests/hidl_struct_util_unit_tests.cpp
@@ -0,0 +1,486 @@
+/*
+ * 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN
+#include "hidl_struct_util.h"
+
+using testing::Test;
+
+namespace {
+constexpr uint32_t kMacId1 = 1;
+constexpr uint32_t kMacId2 = 2;
+constexpr uint32_t kIfaceChannel1 = 3;
+constexpr uint32_t kIfaceChannel2 = 5;
+constexpr char kIfaceName1[] = "wlan0";
+constexpr char kIfaceName2[] = "wlan1";
+}  // namespace
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+using namespace android::hardware::wifi::V1_0;
+using ::android::hardware::wifi::V1_6::WifiChannelWidthInMhz;
+
+class HidlStructUtilTest : public Test {};
+
+TEST_F(HidlStructUtilTest, CanConvertLegacyWifiMacInfosToHidlWithOneMac) {
+    std::vector<legacy_hal::WifiMacInfo> legacy_mac_infos;
+    legacy_hal::WifiMacInfo legacy_mac_info1 = {
+            .wlan_mac_id = kMacId1,
+            .mac_band = legacy_hal::WLAN_MAC_5_0_BAND | legacy_hal::WLAN_MAC_2_4_BAND};
+    legacy_hal::WifiIfaceInfo legacy_iface_info1 = {.name = kIfaceName1, .channel = kIfaceChannel1};
+    legacy_hal::WifiIfaceInfo legacy_iface_info2 = {.name = kIfaceName2, .channel = kIfaceChannel2};
+    legacy_mac_info1.iface_infos.push_back(legacy_iface_info1);
+    legacy_mac_info1.iface_infos.push_back(legacy_iface_info2);
+    legacy_mac_infos.push_back(legacy_mac_info1);
+
+    std::vector<V1_4::IWifiChipEventCallback::RadioModeInfo> hidl_radio_mode_infos;
+    ASSERT_TRUE(hidl_struct_util::convertLegacyWifiMacInfosToHidl(legacy_mac_infos,
+                                                                  &hidl_radio_mode_infos));
+
+    ASSERT_EQ(1u, hidl_radio_mode_infos.size());
+    auto hidl_radio_mode_info1 = hidl_radio_mode_infos[0];
+    EXPECT_EQ(legacy_mac_info1.wlan_mac_id, hidl_radio_mode_info1.radioId);
+    EXPECT_EQ(V1_4::WifiBand::BAND_24GHZ_5GHZ, hidl_radio_mode_info1.bandInfo);
+    ASSERT_EQ(2u, hidl_radio_mode_info1.ifaceInfos.size());
+    auto hidl_iface_info1 = hidl_radio_mode_info1.ifaceInfos[0];
+    EXPECT_EQ(legacy_iface_info1.name, hidl_iface_info1.name);
+    EXPECT_EQ(static_cast<uint32_t>(legacy_iface_info1.channel), hidl_iface_info1.channel);
+    auto hidl_iface_info2 = hidl_radio_mode_info1.ifaceInfos[1];
+    EXPECT_EQ(legacy_iface_info2.name, hidl_iface_info2.name);
+    EXPECT_EQ(static_cast<uint32_t>(legacy_iface_info2.channel), hidl_iface_info2.channel);
+}
+
+TEST_F(HidlStructUtilTest, CanConvertLegacyWifiMacInfosToHidlWithTwoMac) {
+    std::vector<legacy_hal::WifiMacInfo> legacy_mac_infos;
+    legacy_hal::WifiMacInfo legacy_mac_info1 = {.wlan_mac_id = kMacId1,
+                                                .mac_band = legacy_hal::WLAN_MAC_5_0_BAND};
+    legacy_hal::WifiIfaceInfo legacy_iface_info1 = {.name = kIfaceName1, .channel = kIfaceChannel1};
+    legacy_hal::WifiMacInfo legacy_mac_info2 = {.wlan_mac_id = kMacId2,
+                                                .mac_band = legacy_hal::WLAN_MAC_2_4_BAND};
+    legacy_hal::WifiIfaceInfo legacy_iface_info2 = {.name = kIfaceName2, .channel = kIfaceChannel2};
+    legacy_mac_info1.iface_infos.push_back(legacy_iface_info1);
+    legacy_mac_infos.push_back(legacy_mac_info1);
+    legacy_mac_info2.iface_infos.push_back(legacy_iface_info2);
+    legacy_mac_infos.push_back(legacy_mac_info2);
+
+    std::vector<V1_4::IWifiChipEventCallback::RadioModeInfo> hidl_radio_mode_infos;
+    ASSERT_TRUE(hidl_struct_util::convertLegacyWifiMacInfosToHidl(legacy_mac_infos,
+                                                                  &hidl_radio_mode_infos));
+
+    ASSERT_EQ(2u, hidl_radio_mode_infos.size());
+
+    // Find mac info 1.
+    const auto hidl_radio_mode_info1 =
+            std::find_if(hidl_radio_mode_infos.begin(), hidl_radio_mode_infos.end(),
+                         [&legacy_mac_info1](const V1_4::IWifiChipEventCallback::RadioModeInfo& x) {
+                             return x.radioId == legacy_mac_info1.wlan_mac_id;
+                         });
+    ASSERT_NE(hidl_radio_mode_infos.end(), hidl_radio_mode_info1);
+    EXPECT_EQ(V1_4::WifiBand::BAND_5GHZ, hidl_radio_mode_info1->bandInfo);
+    ASSERT_EQ(1u, hidl_radio_mode_info1->ifaceInfos.size());
+    auto hidl_iface_info1 = hidl_radio_mode_info1->ifaceInfos[0];
+    EXPECT_EQ(legacy_iface_info1.name, hidl_iface_info1.name);
+    EXPECT_EQ(static_cast<uint32_t>(legacy_iface_info1.channel), hidl_iface_info1.channel);
+
+    // Find mac info 2.
+    const auto hidl_radio_mode_info2 =
+            std::find_if(hidl_radio_mode_infos.begin(), hidl_radio_mode_infos.end(),
+                         [&legacy_mac_info2](const V1_4::IWifiChipEventCallback::RadioModeInfo& x) {
+                             return x.radioId == legacy_mac_info2.wlan_mac_id;
+                         });
+    ASSERT_NE(hidl_radio_mode_infos.end(), hidl_radio_mode_info2);
+    EXPECT_EQ(V1_4::WifiBand::BAND_24GHZ, hidl_radio_mode_info2->bandInfo);
+    ASSERT_EQ(1u, hidl_radio_mode_info2->ifaceInfos.size());
+    auto hidl_iface_info2 = hidl_radio_mode_info2->ifaceInfos[0];
+    EXPECT_EQ(legacy_iface_info2.name, hidl_iface_info2.name);
+    EXPECT_EQ(static_cast<uint32_t>(legacy_iface_info2.channel), hidl_iface_info2.channel);
+}
+
+TEST_F(HidlStructUtilTest, canConvertLegacyLinkLayerStatsToHidl) {
+    legacy_hal::LinkLayerStats legacy_stats{};
+    legacy_stats.radios.push_back(legacy_hal::LinkLayerRadioStats{});
+    legacy_stats.radios.push_back(legacy_hal::LinkLayerRadioStats{});
+    legacy_stats.peers.push_back(legacy_hal::WifiPeerInfo{});
+    legacy_stats.peers.push_back(legacy_hal::WifiPeerInfo{});
+    legacy_stats.iface.beacon_rx = rand();
+    legacy_stats.iface.rssi_mgmt = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].rx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_num_samples = rand();
+
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_num_samples = rand();
+
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_num_samples = rand();
+
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_num_samples = rand();
+
+    legacy_stats.iface.info.time_slicing_duty_cycle_percent = rand();
+    legacy_stats.iface.num_peers = 1;
+
+    for (auto& radio : legacy_stats.radios) {
+        radio.stats.radio = rand();
+        radio.stats.on_time = rand();
+        radio.stats.tx_time = rand();
+        radio.stats.rx_time = rand();
+        radio.stats.on_time_scan = rand();
+        radio.stats.on_time_nbd = rand();
+        radio.stats.on_time_gscan = rand();
+        radio.stats.on_time_roam_scan = rand();
+        radio.stats.on_time_pno_scan = rand();
+        radio.stats.on_time_hs20 = rand();
+        for (int i = 0; i < 4; i++) {
+            radio.tx_time_per_levels.push_back(rand());
+        }
+
+        legacy_hal::wifi_channel_stat channel_stat1 = {
+                .channel = {legacy_hal::WIFI_CHAN_WIDTH_20, 2437, 2437, 0},
+                .on_time = 0x1111,
+                .cca_busy_time = 0x55,
+        };
+        legacy_hal::wifi_channel_stat channel_stat2 = {
+                .channel = {legacy_hal::WIFI_CHAN_WIDTH_20, 5180, 5180, 0},
+                .on_time = 0x2222,
+                .cca_busy_time = 0x66,
+        };
+        radio.channel_stats.push_back(channel_stat1);
+        radio.channel_stats.push_back(channel_stat2);
+    }
+
+    for (auto& peer : legacy_stats.peers) {
+        peer.peer_info.bssload.sta_count = rand();
+        peer.peer_info.bssload.chan_util = rand();
+        wifi_rate_stat rate_stat1 = {
+                .rate = {3, 1, 2, 5, 0, 0},
+                .tx_mpdu = 0,
+                .rx_mpdu = 1,
+                .mpdu_lost = 2,
+                .retries = 3,
+                .retries_short = 4,
+                .retries_long = 5,
+        };
+        wifi_rate_stat rate_stat2 = {
+                .rate = {2, 2, 1, 6, 0, 1},
+                .tx_mpdu = 6,
+                .rx_mpdu = 7,
+                .mpdu_lost = 8,
+                .retries = 9,
+                .retries_short = 10,
+                .retries_long = 11,
+        };
+        peer.rate_stats.push_back(rate_stat1);
+        peer.rate_stats.push_back(rate_stat2);
+    }
+
+    V1_6::StaLinkLayerStats converted{};
+    hidl_struct_util::convertLegacyLinkLayerStatsToHidl(legacy_stats, &converted);
+    EXPECT_EQ(legacy_stats.iface.beacon_rx, converted.iface.V1_0.beaconRx);
+    EXPECT_EQ(legacy_stats.iface.rssi_mgmt, converted.iface.V1_0.avgRssiMgmt);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].rx_mpdu,
+              converted.iface.V1_0.wmeBePktStats.rxMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu,
+              converted.iface.V1_0.wmeBePktStats.txMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost,
+              converted.iface.V1_0.wmeBePktStats.lostMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries,
+              converted.iface.V1_0.wmeBePktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_min,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_max,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_avg,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_num_samples,
+              converted.iface.wmeBeContentionTimeStats.contentionNumSamples);
+
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu,
+              converted.iface.V1_0.wmeBkPktStats.rxMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu,
+              converted.iface.V1_0.wmeBkPktStats.txMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost,
+              converted.iface.V1_0.wmeBkPktStats.lostMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries,
+              converted.iface.V1_0.wmeBkPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_min,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_max,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_avg,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_num_samples,
+              converted.iface.wmeBkContentionTimeStats.contentionNumSamples);
+
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu,
+              converted.iface.V1_0.wmeViPktStats.rxMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu,
+              converted.iface.V1_0.wmeViPktStats.txMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost,
+              converted.iface.V1_0.wmeViPktStats.lostMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries,
+              converted.iface.V1_0.wmeViPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_min,
+              converted.iface.wmeViContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_max,
+              converted.iface.wmeViContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_avg,
+              converted.iface.wmeViContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_num_samples,
+              converted.iface.wmeViContentionTimeStats.contentionNumSamples);
+
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu,
+              converted.iface.V1_0.wmeVoPktStats.rxMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu,
+              converted.iface.V1_0.wmeVoPktStats.txMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost,
+              converted.iface.V1_0.wmeVoPktStats.lostMpdu);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries,
+              converted.iface.V1_0.wmeVoPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_min,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_max,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_avg,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_num_samples,
+              converted.iface.wmeVoContentionTimeStats.contentionNumSamples);
+
+    EXPECT_EQ(legacy_stats.iface.info.time_slicing_duty_cycle_percent,
+              converted.iface.timeSliceDutyCycleInPercent);
+
+    EXPECT_EQ(legacy_stats.radios.size(), converted.radios.size());
+    for (size_t i = 0; i < legacy_stats.radios.size(); i++) {
+        EXPECT_EQ(legacy_stats.radios[i].stats.radio, converted.radios[i].radioId);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time, converted.radios[i].V1_0.onTimeInMs);
+        EXPECT_EQ(legacy_stats.radios[i].stats.tx_time, converted.radios[i].V1_0.txTimeInMs);
+        EXPECT_EQ(legacy_stats.radios[i].stats.rx_time, converted.radios[i].V1_0.rxTimeInMs);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_scan,
+                  converted.radios[i].V1_0.onTimeInMsForScan);
+        EXPECT_EQ(legacy_stats.radios[i].tx_time_per_levels.size(),
+                  converted.radios[i].V1_0.txTimeInMsPerLevel.size());
+        for (size_t j = 0; j < legacy_stats.radios[i].tx_time_per_levels.size(); j++) {
+            EXPECT_EQ(legacy_stats.radios[i].tx_time_per_levels[j],
+                      converted.radios[i].V1_0.txTimeInMsPerLevel[j]);
+        }
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_nbd,
+                  converted.radios[i].onTimeInMsForNanScan);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_gscan,
+                  converted.radios[i].onTimeInMsForBgScan);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_roam_scan,
+                  converted.radios[i].onTimeInMsForRoamScan);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_pno_scan,
+                  converted.radios[i].onTimeInMsForPnoScan);
+        EXPECT_EQ(legacy_stats.radios[i].stats.on_time_hs20,
+                  converted.radios[i].onTimeInMsForHs20Scan);
+        EXPECT_EQ(legacy_stats.radios[i].channel_stats.size(),
+                  converted.radios[i].channelStats.size());
+        for (size_t k = 0; k < legacy_stats.radios[i].channel_stats.size(); k++) {
+            auto& legacy_channel_st = legacy_stats.radios[i].channel_stats[k];
+            EXPECT_EQ(WifiChannelWidthInMhz::WIDTH_20,
+                      converted.radios[i].channelStats[k].channel.width);
+            EXPECT_EQ(WifiChannelInMhz(legacy_channel_st.channel.center_freq),
+                      converted.radios[i].channelStats[k].channel.centerFreq);
+            EXPECT_EQ(WifiChannelInMhz(legacy_channel_st.channel.center_freq0),
+                      converted.radios[i].channelStats[k].channel.centerFreq0);
+            EXPECT_EQ(WifiChannelInMhz(legacy_channel_st.channel.center_freq1),
+                      converted.radios[i].channelStats[k].channel.centerFreq1);
+            EXPECT_EQ(legacy_channel_st.cca_busy_time,
+                      converted.radios[i].channelStats[k].ccaBusyTimeInMs);
+            EXPECT_EQ(legacy_channel_st.on_time, converted.radios[i].channelStats[k].onTimeInMs);
+        }
+    }
+
+    EXPECT_EQ(legacy_stats.peers.size(), converted.iface.peers.size());
+    for (size_t i = 0; i < legacy_stats.peers.size(); i++) {
+        EXPECT_EQ(legacy_stats.peers[i].peer_info.bssload.sta_count,
+                  converted.iface.peers[i].staCount);
+        EXPECT_EQ(legacy_stats.peers[i].peer_info.bssload.chan_util,
+                  converted.iface.peers[i].chanUtil);
+        for (size_t j = 0; j < legacy_stats.peers[i].rate_stats.size(); j++) {
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].rate.preamble,
+                      (uint32_t)converted.iface.peers[i].rateStats[j].rateInfo.preamble);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].rate.nss,
+                      (uint32_t)converted.iface.peers[i].rateStats[j].rateInfo.nss);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].rate.bw,
+                      (uint32_t)converted.iface.peers[i].rateStats[j].rateInfo.bw);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].rate.rateMcsIdx,
+                      converted.iface.peers[i].rateStats[j].rateInfo.rateMcsIdx);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].tx_mpdu,
+                      converted.iface.peers[i].rateStats[j].txMpdu);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].rx_mpdu,
+                      converted.iface.peers[i].rateStats[j].rxMpdu);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].mpdu_lost,
+                      converted.iface.peers[i].rateStats[j].mpduLost);
+            EXPECT_EQ(legacy_stats.peers[i].rate_stats[j].retries,
+                      converted.iface.peers[i].rateStats[j].retries);
+        }
+    }
+}
+
+TEST_F(HidlStructUtilTest, CanConvertLegacyFeaturesToHidl) {
+    using HidlChipCaps = V1_3::IWifiChip::ChipCapabilityMask;
+
+    uint32_t hidle_caps;
+
+    uint32_t legacy_feature_set = WIFI_FEATURE_D2D_RTT | WIFI_FEATURE_SET_LATENCY_MODE;
+    uint32_t legacy_logger_feature_set = legacy_hal::WIFI_LOGGER_DRIVER_DUMP_SUPPORTED;
+
+    ASSERT_TRUE(hidl_struct_util::convertLegacyFeaturesToHidlChipCapabilities(
+            legacy_feature_set, legacy_logger_feature_set, &hidle_caps));
+
+    EXPECT_EQ(HidlChipCaps::DEBUG_RING_BUFFER_VENDOR_DATA |
+                      HidlChipCaps::DEBUG_HOST_WAKE_REASON_STATS |
+                      HidlChipCaps::DEBUG_ERROR_ALERTS | HidlChipCaps::D2D_RTT |
+                      HidlChipCaps::SET_LATENCY_MODE | HidlChipCaps::DEBUG_MEMORY_DRIVER_DUMP,
+              hidle_caps);
+}
+
+void insertRadioCombination(legacy_hal::wifi_radio_combination* dst_radio_combination_ptr,
+                            int num_radio_configurations,
+                            legacy_hal::wifi_radio_configuration* radio_configuration) {
+    dst_radio_combination_ptr->num_radio_configurations = num_radio_configurations;
+    memcpy(dst_radio_combination_ptr->radio_configurations, radio_configuration,
+           num_radio_configurations * sizeof(legacy_hal::wifi_radio_configuration));
+}
+
+void verifyRadioCombination(WifiRadioCombination* radioCombination, size_t num_radio_configurations,
+                            legacy_hal::wifi_radio_configuration* radio_configuration) {
+    EXPECT_EQ(num_radio_configurations, radioCombination->radioConfigurations.size());
+    for (size_t i = 0; i < num_radio_configurations; i++) {
+        EXPECT_EQ(hidl_struct_util::convertLegacyMacBandToHidlWifiBand(radio_configuration->band),
+                  radioCombination->radioConfigurations[i].bandInfo);
+        EXPECT_EQ(hidl_struct_util::convertLegacyAntennaConfigurationToHidl(
+                          radio_configuration->antenna_cfg),
+                  radioCombination->radioConfigurations[i].antennaMode);
+        radio_configuration++;
+    }
+}
+
+TEST_F(HidlStructUtilTest, canConvertLegacyRadioCombinationsMatrixToHidl) {
+    legacy_hal::wifi_radio_configuration radio_configurations_array1[] = {
+            {.band = legacy_hal::WLAN_MAC_2_4_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_1X1},
+    };
+    legacy_hal::wifi_radio_configuration radio_configurations_array2[] = {
+            {.band = legacy_hal::WLAN_MAC_2_4_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_2X2},
+            {.band = legacy_hal::WLAN_MAC_5_0_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_3X3},
+    };
+    legacy_hal::wifi_radio_configuration radio_configurations_array3[] = {
+            {.band = legacy_hal::WLAN_MAC_2_4_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_2X2},
+            {.band = legacy_hal::WLAN_MAC_6_0_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_1X1},
+            {.band = legacy_hal::WLAN_MAC_5_0_BAND, .antenna_cfg = legacy_hal::WIFI_ANTENNA_4X4},
+    };
+
+    int num_radio_configs = 0;
+    int num_combinations = 0;
+    std::array<char, 256> buffer;
+    buffer.fill(0);
+    legacy_hal::wifi_radio_combination_matrix* legacy_matrix =
+            reinterpret_cast<wifi_radio_combination_matrix*>(buffer.data());
+    legacy_hal::wifi_radio_combination* radio_combinations;
+
+    // Prepare a legacy wifi_radio_combination_matrix
+    legacy_matrix->num_radio_combinations = 3;
+    // Insert first combination
+    radio_combinations =
+            (legacy_hal::wifi_radio_combination*)((char*)legacy_matrix->radio_combinations);
+    insertRadioCombination(
+            radio_combinations,
+            sizeof(radio_configurations_array1) / sizeof(radio_configurations_array1[0]),
+            radio_configurations_array1);
+    num_combinations++;
+    num_radio_configs +=
+            sizeof(radio_configurations_array1) / sizeof(radio_configurations_array1[0]);
+
+    // Insert second combination
+    radio_combinations =
+            (legacy_hal::wifi_radio_combination*)((char*)legacy_matrix->radio_combinations +
+                                                  (num_combinations *
+                                                   sizeof(legacy_hal::wifi_radio_combination)) +
+                                                  (num_radio_configs *
+                                                   sizeof(wifi_radio_configuration)));
+    insertRadioCombination(
+            radio_combinations,
+            sizeof(radio_configurations_array2) / sizeof(radio_configurations_array2[0]),
+            radio_configurations_array2);
+    num_combinations++;
+    num_radio_configs +=
+            sizeof(radio_configurations_array2) / sizeof(radio_configurations_array2[0]);
+
+    // Insert third combination
+    radio_combinations =
+            (legacy_hal::wifi_radio_combination*)((char*)legacy_matrix->radio_combinations +
+                                                  (num_combinations *
+                                                   sizeof(legacy_hal::wifi_radio_combination)) +
+                                                  (num_radio_configs *
+                                                   sizeof(wifi_radio_configuration)));
+    insertRadioCombination(
+            radio_combinations,
+            sizeof(radio_configurations_array3) / sizeof(radio_configurations_array3[0]),
+            radio_configurations_array3);
+
+    V1_6::WifiRadioCombinationMatrix converted_matrix{};
+    hidl_struct_util::convertLegacyRadioCombinationsMatrixToHidl(legacy_matrix, &converted_matrix);
+
+    // Verify the conversion
+    EXPECT_EQ(legacy_matrix->num_radio_combinations, converted_matrix.radioCombinations.size());
+    verifyRadioCombination(
+            &converted_matrix.radioCombinations[0],
+            sizeof(radio_configurations_array1) / sizeof(radio_configurations_array1[0]),
+            radio_configurations_array1);
+    verifyRadioCombination(
+            &converted_matrix.radioCombinations[1],
+            sizeof(radio_configurations_array2) / sizeof(radio_configurations_array2[0]),
+            radio_configurations_array2);
+    verifyRadioCombination(
+            &converted_matrix.radioCombinations[2],
+            sizeof(radio_configurations_array3) / sizeof(radio_configurations_array3[0]),
+            radio_configurations_array3);
+}
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/main.cpp b/wifi/1.6/default/tests/main.cpp
new file mode 100644
index 0000000..9aac837
--- /dev/null
+++ b/wifi/1.6/default/tests/main.cpp
@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <android-base/logging.h>
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ::testing::InitGoogleMock(&argc, argv);
+    // Force ourselves to always log to stderr
+    android::base::InitLogging(argv, android::base::StderrLogger);
+    return RUN_ALL_TESTS();
+}
diff --git a/wifi/1.6/default/tests/mock_interface_tool.cpp b/wifi/1.6/default/tests/mock_interface_tool.cpp
new file mode 100644
index 0000000..b99a164
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_interface_tool.cpp
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 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.
+ */
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "mock_interface_tool.h"
+
+namespace android {
+namespace wifi_system {
+
+MockInterfaceTool::MockInterfaceTool() {}
+
+}  // namespace wifi_system
+}  // namespace android
diff --git a/wifi/1.6/default/tests/mock_interface_tool.h b/wifi/1.6/default/tests/mock_interface_tool.h
new file mode 100644
index 0000000..7ce3992
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_interface_tool.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef MOCK_INTERFACE_TOOL_H
+#define MOCK_INTERFACE_TOOL_H
+
+#include <gmock/gmock.h>
+#include <wifi_system/interface_tool.h>
+
+namespace android {
+namespace wifi_system {
+
+class MockInterfaceTool : public InterfaceTool {
+  public:
+    MockInterfaceTool();
+
+    MOCK_METHOD1(GetUpState, bool(const char* if_name));
+    MOCK_METHOD2(SetUpState, bool(const char* if_name, bool request_up));
+    MOCK_METHOD1(SetWifiUpState, bool(bool request_up));
+    MOCK_METHOD2(SetMacAddress,
+                 bool(const char* if_name, const std::array<uint8_t, ETH_ALEN>& address));
+    MOCK_METHOD1(GetFactoryMacAddress, std::array<uint8_t, ETH_ALEN>(const char* if_name));
+
+};  // class MockInterfaceTool
+
+}  // namespace wifi_system
+}  // namespace android
+
+#endif  // MOCK_INTERFACE_TOOL_H
diff --git a/wifi/1.6/default/tests/mock_wifi_feature_flags.cpp b/wifi/1.6/default/tests/mock_wifi_feature_flags.cpp
new file mode 100644
index 0000000..d10b74c
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_feature_flags.cpp
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+#include <gmock/gmock.h>
+
+#include "mock_wifi_feature_flags.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace feature_flags {
+
+MockWifiFeatureFlags::MockWifiFeatureFlags() {}
+
+}  // namespace feature_flags
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/mock_wifi_feature_flags.h b/wifi/1.6/default/tests/mock_wifi_feature_flags.h
new file mode 100644
index 0000000..fbe1f7a
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_feature_flags.h
@@ -0,0 +1,47 @@
+/*
+ * 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.
+ */
+
+#ifndef MOCK_WIFI_FEATURE_FLAGS_H_
+#define MOCK_WIFI_FEATURE_FLAGS_H_
+
+#include <gmock/gmock.h>
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+
+#include "wifi_feature_flags.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace feature_flags {
+
+class MockWifiFeatureFlags : public WifiFeatureFlags {
+  public:
+    MockWifiFeatureFlags();
+
+    MOCK_METHOD1(getChipModes, std::vector<V1_6::IWifiChip::ChipMode>(bool is_primary));
+    MOCK_METHOD0(isApMacRandomizationDisabled, bool());
+};
+
+}  // namespace feature_flags
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // MOCK_WIFI_FEATURE_FLAGS_H_
diff --git a/wifi/1.6/default/tests/mock_wifi_iface_util.cpp b/wifi/1.6/default/tests/mock_wifi_iface_util.cpp
new file mode 100644
index 0000000..24b16cb
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_iface_util.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "mock_wifi_iface_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace iface_util {
+
+MockWifiIfaceUtil::MockWifiIfaceUtil(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
+                                     const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
+    : WifiIfaceUtil(iface_tool, legacy_hal) {}
+}  // namespace iface_util
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/mock_wifi_iface_util.h b/wifi/1.6/default/tests/mock_wifi_iface_util.h
new file mode 100644
index 0000000..2701c36
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_iface_util.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef MOCK_WIFI_IFACE_UTIL_H_
+#define MOCK_WIFI_IFACE_UTIL_H_
+
+#include <gmock/gmock.h>
+
+#include "wifi_iface_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace iface_util {
+
+class MockWifiIfaceUtil : public WifiIfaceUtil {
+  public:
+    MockWifiIfaceUtil(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
+                      const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
+    MOCK_METHOD1(getFactoryMacAddress, std::array<uint8_t, 6>(const std::string&));
+    MOCK_METHOD2(setMacAddress, bool(const std::string&, const std::array<uint8_t, 6>&));
+    MOCK_METHOD0(getOrCreateRandomMacAddress, std::array<uint8_t, 6>());
+    MOCK_METHOD2(registerIfaceEventHandlers, void(const std::string&, IfaceEventHandlers));
+    MOCK_METHOD1(unregisterIfaceEventHandlers, void(const std::string&));
+    MOCK_METHOD2(setUpState, bool(const std::string&, bool));
+    MOCK_METHOD1(ifNameToIndex, unsigned(const std::string&));
+};
+}  // namespace iface_util
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // MOCK_WIFI_IFACE_UTIL_H_
diff --git a/wifi/1.6/default/tests/mock_wifi_legacy_hal.cpp b/wifi/1.6/default/tests/mock_wifi_legacy_hal.cpp
new file mode 100644
index 0000000..2c55861
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_legacy_hal.cpp
@@ -0,0 +1,39 @@
+/*
+ * 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "mock_wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace legacy_hal {
+
+MockWifiLegacyHal::MockWifiLegacyHal(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
+                                     const wifi_hal_fn& fn, bool is_primary)
+    : WifiLegacyHal(iface_tool, fn, is_primary) {}
+}  // namespace legacy_hal
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/mock_wifi_legacy_hal.h b/wifi/1.6/default/tests/mock_wifi_legacy_hal.h
new file mode 100644
index 0000000..85dbf0f
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_legacy_hal.h
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+#ifndef MOCK_WIFI_LEGACY_HAL_H_
+#define MOCK_WIFI_LEGACY_HAL_H_
+
+#include <gmock/gmock.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace legacy_hal {
+
+class MockWifiLegacyHal : public WifiLegacyHal {
+  public:
+    MockWifiLegacyHal(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
+                      const wifi_hal_fn& fn, bool is_primary);
+    MOCK_METHOD0(initialize, wifi_error());
+    MOCK_METHOD0(start, wifi_error());
+    MOCK_METHOD2(stop,
+                 wifi_error(std::unique_lock<std::recursive_mutex>*, const std::function<void()>&));
+    MOCK_METHOD2(setDfsFlag, wifi_error(const std::string&, bool));
+    MOCK_METHOD2(registerRadioModeChangeCallbackHandler,
+                 wifi_error(const std::string&, const on_radio_mode_change_callback&));
+    MOCK_METHOD1(getFirmwareVersion,
+                 std::pair<wifi_error, std::string>(const std::string& iface_name));
+    MOCK_METHOD1(getDriverVersion,
+                 std::pair<wifi_error, std::string>(const std::string& iface_name));
+
+    MOCK_METHOD2(selectTxPowerScenario,
+                 wifi_error(const std::string& iface_name, wifi_power_scenario scenario));
+    MOCK_METHOD1(resetTxPowerScenario, wifi_error(const std::string& iface_name));
+    MOCK_METHOD2(nanRegisterCallbackHandlers,
+                 wifi_error(const std::string&, const NanCallbackHandlers&));
+    MOCK_METHOD2(nanDisableRequest, wifi_error(const std::string&, transaction_id));
+    MOCK_METHOD3(nanDataInterfaceDelete,
+                 wifi_error(const std::string&, transaction_id, const std::string&));
+    MOCK_METHOD2(createVirtualInterface,
+                 wifi_error(const std::string& ifname, wifi_interface_type iftype));
+    MOCK_METHOD1(deleteVirtualInterface, wifi_error(const std::string& ifname));
+    MOCK_METHOD0(waitForDriverReady, wifi_error());
+    MOCK_METHOD2(getSupportedIfaceName, wifi_error(uint32_t, std::string&));
+    MOCK_METHOD1(registerSubsystemRestartCallbackHandler,
+                 wifi_error(const on_subsystem_restart_callback&));
+    MOCK_METHOD1(getSupportedFeatureSet, std::pair<wifi_error, uint64_t>(const std::string&));
+};
+}  // namespace legacy_hal
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // MOCK_WIFI_LEGACY_HAL_H_
diff --git a/wifi/1.6/default/tests/mock_wifi_mode_controller.cpp b/wifi/1.6/default/tests/mock_wifi_mode_controller.cpp
new file mode 100644
index 0000000..446f829
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_mode_controller.cpp
@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "mock_wifi_mode_controller.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace mode_controller {
+
+MockWifiModeController::MockWifiModeController() : WifiModeController() {}
+}  // namespace mode_controller
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/mock_wifi_mode_controller.h b/wifi/1.6/default/tests/mock_wifi_mode_controller.h
new file mode 100644
index 0000000..addcc81
--- /dev/null
+++ b/wifi/1.6/default/tests/mock_wifi_mode_controller.h
@@ -0,0 +1,46 @@
+/*
+ * 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.
+ */
+
+#ifndef MOCK_WIFI_MODE_CONTROLLER_H_
+#define MOCK_WIFI_MODE_CONTROLLER_H_
+
+#include <gmock/gmock.h>
+
+#include "wifi_mode_controller.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace mode_controller {
+
+class MockWifiModeController : public WifiModeController {
+  public:
+    MockWifiModeController();
+    MOCK_METHOD0(initialize, bool());
+    MOCK_METHOD1(changeFirmwareMode, bool(IfaceType));
+    MOCK_METHOD1(isFirmwareModeChangeNeeded, bool(IfaceType));
+    MOCK_METHOD0(deinitialize, bool());
+};
+}  // namespace mode_controller
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // MOCK_WIFI_MODE_CONTROLLER_H_
diff --git a/wifi/1.6/default/tests/ringbuffer_unit_tests.cpp b/wifi/1.6/default/tests/ringbuffer_unit_tests.cpp
new file mode 100644
index 0000000..eb86194
--- /dev/null
+++ b/wifi/1.6/default/tests/ringbuffer_unit_tests.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <gmock/gmock.h>
+
+#include "ringbuffer.h"
+
+using testing::Return;
+using testing::Test;
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+
+class RingbufferTest : public Test {
+  public:
+    const uint32_t maxBufferSize_ = 10;
+    Ringbuffer buffer_{maxBufferSize_};
+};
+
+TEST_F(RingbufferTest, CreateEmptyBuffer) {
+    ASSERT_TRUE(buffer_.getData().empty());
+}
+
+TEST_F(RingbufferTest, CanUseFullBufferCapacity) {
+    const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
+    const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
+    buffer_.append(input);
+    buffer_.append(input2);
+    ASSERT_EQ(2u, buffer_.getData().size());
+    EXPECT_EQ(input, buffer_.getData().front());
+    EXPECT_EQ(input2, buffer_.getData().back());
+}
+
+TEST_F(RingbufferTest, OldDataIsRemovedOnOverflow) {
+    const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
+    const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
+    const std::vector<uint8_t> input3 = {'G'};
+    buffer_.append(input);
+    buffer_.append(input2);
+    buffer_.append(input3);
+    ASSERT_EQ(2u, buffer_.getData().size());
+    EXPECT_EQ(input2, buffer_.getData().front());
+    EXPECT_EQ(input3, buffer_.getData().back());
+}
+
+TEST_F(RingbufferTest, MultipleOldDataIsRemovedOnOverflow) {
+    const std::vector<uint8_t> input(maxBufferSize_ / 2, '0');
+    const std::vector<uint8_t> input2(maxBufferSize_ / 2, '1');
+    const std::vector<uint8_t> input3(maxBufferSize_, '2');
+    buffer_.append(input);
+    buffer_.append(input2);
+    buffer_.append(input3);
+    ASSERT_EQ(1u, buffer_.getData().size());
+    EXPECT_EQ(input3, buffer_.getData().front());
+}
+
+TEST_F(RingbufferTest, AppendingEmptyBufferDoesNotAddGarbage) {
+    const std::vector<uint8_t> input = {};
+    buffer_.append(input);
+    ASSERT_TRUE(buffer_.getData().empty());
+}
+
+TEST_F(RingbufferTest, OversizedAppendIsDropped) {
+    const std::vector<uint8_t> input(maxBufferSize_ + 1, '0');
+    buffer_.append(input);
+    ASSERT_TRUE(buffer_.getData().empty());
+}
+
+TEST_F(RingbufferTest, OversizedAppendDoesNotDropExistingData) {
+    const std::vector<uint8_t> input(maxBufferSize_, '0');
+    const std::vector<uint8_t> input2(maxBufferSize_ + 1, '1');
+    buffer_.append(input);
+    buffer_.append(input2);
+    ASSERT_EQ(1u, buffer_.getData().size());
+    EXPECT_EQ(input, buffer_.getData().front());
+}
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/runtests.sh b/wifi/1.6/default/tests/runtests.sh
new file mode 100755
index 0000000..6bce3ef
--- /dev/null
+++ b/wifi/1.6/default/tests/runtests.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+# 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.
+
+if [ -z $ANDROID_BUILD_TOP ]; then
+  echo "You need to source and lunch before you can use this script"
+  exit 1
+fi
+set -e
+
+$ANDROID_BUILD_TOP/build/soong/soong_ui.bash --make-mode android.hardware.wifi@1.0-service-tests
+adb root
+adb sync data
+adb shell /data/nativetest64/vendor/android.hardware.wifi@1.0-service-tests/android.hardware.wifi@1.0-service-tests
diff --git a/wifi/1.6/default/tests/wifi_chip_unit_tests.cpp b/wifi/1.6/default/tests/wifi_chip_unit_tests.cpp
new file mode 100644
index 0000000..81117c5
--- /dev/null
+++ b/wifi/1.6/default/tests/wifi_chip_unit_tests.cpp
@@ -0,0 +1,864 @@
+/*
+ * 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <cutils/properties.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "wifi_chip.h"
+
+#include "mock_interface_tool.h"
+#include "mock_wifi_feature_flags.h"
+#include "mock_wifi_iface_util.h"
+#include "mock_wifi_legacy_hal.h"
+#include "mock_wifi_mode_controller.h"
+
+using testing::NiceMock;
+using testing::Return;
+using testing::Test;
+
+namespace {
+using android::hardware::wifi::V1_0::ChipId;
+
+constexpr ChipId kFakeChipId = 5;
+}  // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+
+class WifiChipTest : public Test {
+  protected:
+    void setupV1IfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinationsSta = {
+            {{{{IfaceConcurrencyType::STA}, 1}, {{IfaceConcurrencyType::P2P}, 1}}}
+        };
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinationsAp = {
+            {{{{IfaceConcurrencyType::AP}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV1Sta, combinationsSta},
+            {feature_flags::chip_mode_ids::kV1Ap, combinationsAp}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void setupV1_AwareIfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinationsSta = {
+            {{{{IfaceConcurrencyType::STA}, 1},
+              {{IfaceConcurrencyType::P2P, IfaceConcurrencyType::NAN}, 1}}}
+        };
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinationsAp = {
+            {{{{IfaceConcurrencyType::AP}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV1Sta, combinationsSta},
+            {feature_flags::chip_mode_ids::kV1Ap, combinationsAp}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void setupV1_AwareDisabledApIfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinationsSta = {
+            {{{{IfaceConcurrencyType::STA}, 1},
+              {{IfaceConcurrencyType::P2P, IfaceConcurrencyType::NAN}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV1Sta, combinationsSta}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void setupV2_AwareIfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinations = {
+            {{{{IfaceConcurrencyType::STA}, 1}, {{IfaceConcurrencyType::AP}, 1}}},
+            {{{{IfaceConcurrencyType::STA}, 1},
+              {{IfaceConcurrencyType::P2P, IfaceConcurrencyType::NAN}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV3, combinations}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void setupV2_AwareDisabledApIfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinations = {
+            {{{{IfaceConcurrencyType::STA}, 1},
+              {{IfaceConcurrencyType::P2P, IfaceConcurrencyType::NAN}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV3, combinations}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void setup_MultiIfaceCombination() {
+        // clang-format off
+        const hidl_vec<IWifiChip::ChipConcurrencyCombination> combinations = {
+            {{{{IfaceConcurrencyType::STA}, 3}, {{IfaceConcurrencyType::AP}, 1}}}
+        };
+        const std::vector<V1_6::IWifiChip::ChipMode> modes = {
+            {feature_flags::chip_mode_ids::kV3, combinations}
+        };
+        // clang-format on
+        EXPECT_CALL(*feature_flags_, getChipModes(true)).WillRepeatedly(testing::Return(modes));
+    }
+
+    void assertNumberOfModes(uint32_t num_modes) {
+        chip_->getAvailableModes_1_6([num_modes](const WifiStatus& status,
+                                                 const std::vector<WifiChip::ChipMode>& modes) {
+            ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            // V2_Aware has 1 mode of operation.
+            ASSERT_EQ(num_modes, modes.size());
+        });
+    }
+
+    void findModeAndConfigureForIfaceType(const IfaceConcurrencyType& type) {
+        // This should be aligned with kInvalidModeId in wifi_chip.cpp.
+        ChipModeId mode_id = UINT32_MAX;
+        chip_->getAvailableModes_1_6([&mode_id, &type](
+                                             const WifiStatus& status,
+                                             const std::vector<WifiChip::ChipMode>& modes) {
+            ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            for (const auto& mode : modes) {
+                for (const auto& combination : mode.availableCombinations) {
+                    for (const auto& limit : combination.limits) {
+                        if (limit.types.end() !=
+                            std::find(limit.types.begin(), limit.types.end(), type)) {
+                            mode_id = mode.id;
+                        }
+                    }
+                }
+            }
+        });
+        ASSERT_NE(UINT32_MAX, mode_id);
+
+        chip_->configureChip(mode_id, [](const WifiStatus& status) {
+            ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+        });
+    }
+
+    // Returns an empty string on error.
+    std::string createIface(const IfaceType& type) {
+        std::string iface_name;
+        if (type == IfaceType::AP) {
+            chip_->createApIface(
+                    [&iface_name](const WifiStatus& status, const sp<V1_0::IWifiApIface>& iface) {
+                        if (WifiStatusCode::SUCCESS == status.code) {
+                            ASSERT_NE(iface.get(), nullptr);
+                            iface->getName([&iface_name](const WifiStatus& status,
+                                                         const hidl_string& name) {
+                                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+                                iface_name = name.c_str();
+                            });
+                        }
+                    });
+        } else if (type == IfaceType::NAN) {
+            chip_->createNanIface(
+                    [&iface_name](const WifiStatus& status,
+                                  const sp<android::hardware::wifi::V1_0::IWifiNanIface>& iface) {
+                        if (WifiStatusCode::SUCCESS == status.code) {
+                            ASSERT_NE(iface.get(), nullptr);
+                            iface->getName([&iface_name](const WifiStatus& status,
+                                                         const hidl_string& name) {
+                                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+                                iface_name = name.c_str();
+                            });
+                        }
+                    });
+        } else if (type == IfaceType::P2P) {
+            chip_->createP2pIface(
+                    [&iface_name](const WifiStatus& status, const sp<IWifiP2pIface>& iface) {
+                        if (WifiStatusCode::SUCCESS == status.code) {
+                            ASSERT_NE(iface.get(), nullptr);
+                            iface->getName([&iface_name](const WifiStatus& status,
+                                                         const hidl_string& name) {
+                                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+                                iface_name = name.c_str();
+                            });
+                        }
+                    });
+        } else if (type == IfaceType::STA) {
+            chip_->createStaIface(
+                    [&iface_name](const WifiStatus& status, const sp<V1_0::IWifiStaIface>& iface) {
+                        if (WifiStatusCode::SUCCESS == status.code) {
+                            ASSERT_NE(iface.get(), nullptr);
+                            iface->getName([&iface_name](const WifiStatus& status,
+                                                         const hidl_string& name) {
+                                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+                                iface_name = name.c_str();
+                            });
+                        }
+                    });
+        }
+        return iface_name;
+    }
+
+    void removeIface(const IfaceType& type, const std::string& iface_name) {
+        if (type == IfaceType::AP) {
+            chip_->removeApIface(iface_name, [](const WifiStatus& status) {
+                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            });
+        } else if (type == IfaceType::NAN) {
+            chip_->removeNanIface(iface_name, [](const WifiStatus& status) {
+                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            });
+        } else if (type == IfaceType::P2P) {
+            chip_->removeP2pIface(iface_name, [](const WifiStatus& status) {
+                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            });
+        } else if (type == IfaceType::STA) {
+            chip_->removeStaIface(iface_name, [](const WifiStatus& status) {
+                ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            });
+        }
+    }
+
+    bool createRttController() {
+        bool success = false;
+        chip_->createRttController_1_6(
+                NULL, [&success](const WifiStatus& status, const sp<IWifiRttController>& rtt) {
+                    if (WifiStatusCode::SUCCESS == status.code) {
+                        ASSERT_NE(rtt.get(), nullptr);
+                        success = true;
+                    }
+                });
+        return success;
+    }
+
+    static void subsystemRestartHandler(const std::string& /*error*/) {}
+
+    sp<WifiChip> chip_;
+    ChipId chip_id_ = kFakeChipId;
+    legacy_hal::wifi_hal_fn fake_func_table_;
+    std::shared_ptr<NiceMock<wifi_system::MockInterfaceTool>> iface_tool_{
+            new NiceMock<wifi_system::MockInterfaceTool>};
+    std::shared_ptr<NiceMock<legacy_hal::MockWifiLegacyHal>> legacy_hal_{
+            new NiceMock<legacy_hal::MockWifiLegacyHal>(iface_tool_, fake_func_table_, true)};
+    std::shared_ptr<NiceMock<mode_controller::MockWifiModeController>> mode_controller_{
+            new NiceMock<mode_controller::MockWifiModeController>};
+    std::shared_ptr<NiceMock<iface_util::MockWifiIfaceUtil>> iface_util_{
+            new NiceMock<iface_util::MockWifiIfaceUtil>(iface_tool_, legacy_hal_)};
+    std::shared_ptr<NiceMock<feature_flags::MockWifiFeatureFlags>> feature_flags_{
+            new NiceMock<feature_flags::MockWifiFeatureFlags>};
+
+  public:
+    void SetUp() override {
+        chip_ = new WifiChip(chip_id_, true, legacy_hal_, mode_controller_, iface_util_,
+                             feature_flags_, subsystemRestartHandler);
+
+        EXPECT_CALL(*mode_controller_, changeFirmwareMode(testing::_))
+                .WillRepeatedly(testing::Return(true));
+        EXPECT_CALL(*legacy_hal_, start())
+                .WillRepeatedly(testing::Return(legacy_hal::WIFI_SUCCESS));
+        // Vendor HAL does not override the name by default.
+        EXPECT_CALL(*legacy_hal_, getSupportedIfaceName(testing::_, testing::_))
+                .WillRepeatedly(testing::Return(legacy_hal::WIFI_ERROR_UNKNOWN));
+    }
+
+    void TearDown() override {
+        // Restore default system iface names (This should ideally be using a
+        // mock).
+        property_set("wifi.interface", "wlan0");
+        property_set("wifi.concurrent.interface", "wlan1");
+        property_set("wifi.aware.interface", nullptr);
+    }
+};
+
+////////// V1 Iface Combinations ////////////
+// Mode 1 - STA + P2P
+// Mode 2 - AP
+class WifiChipV1IfaceCombinationTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setupV1IfaceCombination();
+        WifiChipTest::SetUp();
+        // V1 has 2 modes of operation.
+        assertNumberOfModes(2u);
+    }
+};
+
+TEST_F(WifiChipV1IfaceCombinationTest, StaMode_CreateSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, StaMode_CreateP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, StaMode_CreateNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, StaMode_CreateAp_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createIface(IfaceType::AP).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, StaMode_CreateStaP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, ApMode_CreateAp_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan0");
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, ApMode_CreateSta_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, ApMode_CreateP2p_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV1IfaceCombinationTest, ApMode_CreateNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+////////// V1 + Aware Iface Combinations ////////////
+// Mode 1 - STA + P2P/NAN
+// Mode 2 - AP
+class WifiChipV1_AwareIfaceCombinationTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setupV1_AwareIfaceCombination();
+        WifiChipTest::SetUp();
+        // V1_Aware has 2 modes of operation.
+        assertNumberOfModes(2u);
+    }
+};
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateNan_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateAp_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createIface(IfaceType::AP).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateStaP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateStaNan_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateStaP2PNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateStaNan_AfterP2pRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto p2p_iface_name = createIface(IfaceType::P2P);
+    ASSERT_FALSE(p2p_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+
+    // After removing P2P iface, NAN iface creation should succeed.
+    removeIface(IfaceType::P2P, p2p_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, StaMode_CreateStaP2p_AfterNanRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto nan_iface_name = createIface(IfaceType::NAN);
+    ASSERT_FALSE(nan_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::P2P).empty());
+
+    // After removing NAN iface, P2P iface creation should succeed.
+    removeIface(IfaceType::NAN, nan_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, ApMode_CreateAp_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan0");
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, ApMode_CreateSta_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, ApMode_CreateP2p_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, ApMode_CreateNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, RttControllerFlowStaModeNoSta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, RttControllerFlowStaModeWithSta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, RttControllerFlowApToSta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    const auto ap_iface_name = createIface(IfaceType::AP);
+    ASSERT_FALSE(ap_iface_name.empty());
+    ASSERT_FALSE(createRttController());
+
+    removeIface(IfaceType::AP, ap_iface_name);
+
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, SelectTxScenarioWithOnlySta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    EXPECT_CALL(*legacy_hal_, selectTxPowerScenario("wlan0", testing::_))
+            .WillOnce(testing::Return(legacy_hal::WIFI_SUCCESS));
+    chip_->selectTxPowerScenario_1_2(
+            V1_2::IWifiChip::TxPowerScenario::ON_HEAD_CELL_OFF,
+            [](const WifiStatus& status) { ASSERT_EQ(WifiStatusCode::SUCCESS, status.code); });
+}
+
+TEST_F(WifiChipV1_AwareIfaceCombinationTest, SelectTxScenarioWithOnlyAp) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan0");
+    EXPECT_CALL(*legacy_hal_, selectTxPowerScenario("wlan0", testing::_))
+            .WillOnce(testing::Return(legacy_hal::WIFI_SUCCESS));
+    chip_->selectTxPowerScenario_1_2(
+            V1_2::IWifiChip::TxPowerScenario::ON_HEAD_CELL_OFF,
+            [](const WifiStatus& status) { ASSERT_EQ(WifiStatusCode::SUCCESS, status.code); });
+}
+
+////////// V2 + Aware Iface Combinations ////////////
+// Mode 1 - STA + STA/AP
+//        - STA + P2P/NAN
+class WifiChipV2_AwareIfaceCombinationTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setupV2_AwareIfaceCombination();
+        WifiChipTest::SetUp();
+        // V2_Aware has 1 mode of operation.
+        assertNumberOfModes(1u);
+    }
+};
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateNan_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateAp_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan1");
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaSta_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaAp_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan1");
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateApSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan1");
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateSta_AfterStaApRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    const auto sta_iface_name = createIface(IfaceType::STA);
+    ASSERT_FALSE(sta_iface_name.empty());
+    const auto ap_iface_name = createIface(IfaceType::AP);
+    ASSERT_FALSE(ap_iface_name.empty());
+
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+
+    // After removing AP & STA iface, STA iface creation should succeed.
+    removeIface(IfaceType::STA, sta_iface_name);
+    removeIface(IfaceType::AP, ap_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaP2p_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaNan_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaP2PNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaNan_AfterP2pRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto p2p_iface_name = createIface(IfaceType::P2P);
+    ASSERT_FALSE(p2p_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+
+    // After removing P2P iface, NAN iface creation should succeed.
+    removeIface(IfaceType::P2P, p2p_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaP2p_AfterNanRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto nan_iface_name = createIface(IfaceType::NAN);
+    ASSERT_FALSE(nan_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::P2P).empty());
+
+    // After removing NAN iface, P2P iface creation should succeed.
+    removeIface(IfaceType::NAN, nan_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateApNan_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_FALSE(createIface(IfaceType::AP).empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateApP2p_ShouldFail) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_FALSE(createIface(IfaceType::AP).empty());
+    ASSERT_TRUE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, StaMode_CreateStaNan_AfterP2pRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto p2p_iface_name = createIface(IfaceType::P2P);
+    ASSERT_FALSE(p2p_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::NAN).empty());
+
+    // After removing P2P iface, NAN iface creation should succeed.
+    removeIface(IfaceType::P2P, p2p_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::NAN).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, StaMode_CreateStaP2p_AfterNanRemove_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    const auto nan_iface_name = createIface(IfaceType::NAN);
+    ASSERT_FALSE(nan_iface_name.empty());
+    ASSERT_TRUE(createIface(IfaceType::P2P).empty());
+
+    // After removing NAN iface, P2P iface creation should succeed.
+    removeIface(IfaceType::NAN, nan_iface_name);
+    ASSERT_FALSE(createIface(IfaceType::P2P).empty());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateStaAp_EnsureDifferentIfaceNames) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    const auto sta_iface_name = createIface(IfaceType::STA);
+    const auto ap_iface_name = createIface(IfaceType::AP);
+    ASSERT_FALSE(sta_iface_name.empty());
+    ASSERT_FALSE(ap_iface_name.empty());
+    ASSERT_NE(sta_iface_name, ap_iface_name);
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, RttControllerFlowStaModeNoSta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, RttControllerFlowStaModeWithSta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, RttControllerFlow) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::AP).empty());
+    ASSERT_TRUE(createRttController());
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, SelectTxScenarioWithOnlySta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    EXPECT_CALL(*legacy_hal_, selectTxPowerScenario("wlan0", testing::_))
+            .WillOnce(testing::Return(legacy_hal::WIFI_SUCCESS));
+    chip_->selectTxPowerScenario_1_2(
+            V1_2::IWifiChip::TxPowerScenario::ON_HEAD_CELL_OFF,
+            [](const WifiStatus& status) { ASSERT_EQ(WifiStatusCode::SUCCESS, status.code); });
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, SelectTxScenarioWithOnlyAp) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::AP);
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan1");
+    EXPECT_CALL(*legacy_hal_, selectTxPowerScenario("wlan1", testing::_))
+            .WillOnce(testing::Return(legacy_hal::WIFI_SUCCESS));
+    chip_->selectTxPowerScenario_1_2(
+            V1_2::IWifiChip::TxPowerScenario::ON_HEAD_CELL_OFF,
+            [](const WifiStatus& status) { ASSERT_EQ(WifiStatusCode::SUCCESS, status.code); });
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, InvalidateAndRemoveNanOnStaRemove) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+
+    // Create NAN iface
+    ASSERT_EQ(createIface(IfaceType::NAN), "wlan0");
+
+    // We should have 1 nan iface.
+    chip_->getNanIfaceNames([](const WifiStatus& status, const hidl_vec<hidl_string>& iface_names) {
+        ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+        ASSERT_EQ(iface_names.size(), 1u);
+        ASSERT_EQ(iface_names[0], "wlan0");
+    });
+    // Retrieve the exact iface object.
+    sp<android::hardware::wifi::V1_0::IWifiNanIface> nan_iface;
+    chip_->getNanIface("wlan0",
+                       [&nan_iface](const WifiStatus& status,
+                                    const sp<android::hardware::wifi::V1_0::IWifiNanIface>& iface) {
+                           ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+                           ASSERT_NE(iface.get(), nullptr);
+                           nan_iface = iface;
+                       });
+
+    // Remove the STA iface.
+    removeIface(IfaceType::STA, "wlan0");
+    // We should have 0 nan iface now.
+    chip_->getNanIfaceNames([](const WifiStatus& status, const hidl_vec<hidl_string>& iface_names) {
+        ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+        ASSERT_EQ(iface_names.size(), 0u);
+    });
+    // Any operation on the nan iface object should return error now.
+    nan_iface->getName([](const WifiStatus& status, const std::string& /* iface_name */) {
+        ASSERT_EQ(WifiStatusCode::ERROR_WIFI_IFACE_INVALID, status.code);
+    });
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, InvalidateAndRemoveRttControllerOnStaRemove) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+
+    // Create RTT controller
+    sp<IWifiRttController> rtt_controller;
+    chip_->createRttController_1_6(
+            NULL, [&rtt_controller](const WifiStatus& status, const sp<IWifiRttController>& rtt) {
+                if (WifiStatusCode::SUCCESS == status.code) {
+                    ASSERT_NE(rtt.get(), nullptr);
+                    rtt_controller = rtt;
+                }
+            });
+
+    // Remove the STA iface.
+    removeIface(IfaceType::STA, "wlan0");
+
+    // Any operation on the rtt controller object should return error now.
+    rtt_controller->getBoundIface([](const WifiStatus& status, const sp<IWifiIface>& /* iface */) {
+        ASSERT_EQ(WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID, status.code);
+    });
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateNanWithSharedNanIface) {
+    property_set("wifi.aware.interface", nullptr);
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    ASSERT_EQ(createIface(IfaceType::NAN), "wlan0");
+    removeIface(IfaceType::NAN, "wlan0");
+    EXPECT_CALL(*iface_util_, setUpState(testing::_, testing::_)).Times(0);
+}
+
+TEST_F(WifiChipV2_AwareIfaceCombinationTest, CreateNanWithDedicatedNanIface) {
+    property_set("wifi.aware.interface", "aware0");
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    EXPECT_CALL(*iface_util_, ifNameToIndex("aware0")).WillOnce(testing::Return(4));
+    EXPECT_CALL(*iface_util_, setUpState("aware0", true)).WillOnce(testing::Return(true));
+    ASSERT_EQ(createIface(IfaceType::NAN), "aware0");
+
+    EXPECT_CALL(*iface_util_, setUpState("aware0", false)).WillOnce(testing::Return(true));
+    removeIface(IfaceType::NAN, "aware0");
+}
+
+////////// V1 Iface Combinations when AP creation is disabled //////////
+class WifiChipV1_AwareDisabledApIfaceCombinationTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setupV1_AwareDisabledApIfaceCombination();
+        WifiChipTest::SetUp();
+    }
+};
+
+TEST_F(WifiChipV1_AwareDisabledApIfaceCombinationTest, StaMode_CreateSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_TRUE(createIface(IfaceType::AP).empty());
+}
+
+////////// V2 Iface Combinations when AP creation is disabled //////////
+class WifiChipV2_AwareDisabledApIfaceCombinationTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setupV2_AwareDisabledApIfaceCombination();
+        WifiChipTest::SetUp();
+    }
+};
+
+TEST_F(WifiChipV2_AwareDisabledApIfaceCombinationTest, CreateSta_ShouldSucceed) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_TRUE(createIface(IfaceType::AP).empty());
+}
+
+////////// Hypothetical Iface Combination with multiple ifaces //////////
+class WifiChip_MultiIfaceTest : public WifiChipTest {
+  public:
+    void SetUp() override {
+        setup_MultiIfaceCombination();
+        WifiChipTest::SetUp();
+    }
+};
+
+TEST_F(WifiChip_MultiIfaceTest, Create3Sta) {
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_FALSE(createIface(IfaceType::STA).empty());
+    ASSERT_TRUE(createIface(IfaceType::STA).empty());
+}
+
+TEST_F(WifiChip_MultiIfaceTest, CreateStaWithDefaultNames) {
+    property_set("wifi.interface.0", "");
+    property_set("wifi.interface.1", "");
+    property_set("wifi.interface.2", "");
+    property_set("wifi.interface", "");
+    property_set("wifi.concurrent.interface", "");
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan1");
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan2");
+}
+
+TEST_F(WifiChip_MultiIfaceTest, CreateStaWithCustomNames) {
+    property_set("wifi.interface.0", "test0");
+    property_set("wifi.interface.1", "test1");
+    property_set("wifi.interface.2", "test2");
+    property_set("wifi.interface", "bad0");
+    property_set("wifi.concurrent.interface", "bad1");
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "bad0");
+    ASSERT_EQ(createIface(IfaceType::STA), "bad1");
+    ASSERT_EQ(createIface(IfaceType::STA), "test2");
+}
+
+TEST_F(WifiChip_MultiIfaceTest, CreateStaWithCustomAltNames) {
+    property_set("wifi.interface.0", "");
+    property_set("wifi.interface.1", "");
+    property_set("wifi.interface.2", "");
+    property_set("wifi.interface", "testA0");
+    property_set("wifi.concurrent.interface", "testA1");
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    ASSERT_EQ(createIface(IfaceType::STA), "testA0");
+    ASSERT_EQ(createIface(IfaceType::STA), "testA1");
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan2");
+}
+
+TEST_F(WifiChip_MultiIfaceTest, CreateApStartsWithIdx1) {
+    // WifiChip_MultiIfaceTest iface combo: STAx3 + APx1
+    // When the HAL support dual STAs, AP should start with idx 2.
+    findModeAndConfigureForIfaceType(IfaceConcurrencyType::STA);
+    // First AP will be slotted to wlan1.
+    ASSERT_EQ(createIface(IfaceType::AP), "wlan2");
+    // First STA will be slotted to wlan0.
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan0");
+    // All further STA will be slotted to the remaining free indices.
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan1");
+    ASSERT_EQ(createIface(IfaceType::STA), "wlan3");
+}
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/wifi_iface_util_unit_tests.cpp b/wifi/1.6/default/tests/wifi_iface_util_unit_tests.cpp
new file mode 100644
index 0000000..cc9a334
--- /dev/null
+++ b/wifi/1.6/default/tests/wifi_iface_util_unit_tests.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
+
+#undef NAN
+#include "wifi_iface_util.h"
+
+#include "mock_interface_tool.h"
+#include "mock_wifi_legacy_hal.h"
+
+using testing::NiceMock;
+using testing::Test;
+
+namespace {
+constexpr uint8_t kValidUnicastLocallyAssignedMacAddressMask = 0x02;
+constexpr uint8_t kMacAddress[] = {0x02, 0x12, 0x45, 0x56, 0xab, 0xcc};
+constexpr char kIfaceName[] = "test-wlan0";
+
+bool isValidUnicastLocallyAssignedMacAddress(const std::array<uint8_t, 6>& mac_address) {
+    uint8_t first_byte = mac_address[0];
+    return (first_byte & 0x3) == kValidUnicastLocallyAssignedMacAddressMask;
+}
+}  // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace iface_util {
+class WifiIfaceUtilTest : public Test {
+  protected:
+    std::shared_ptr<NiceMock<wifi_system::MockInterfaceTool>> iface_tool_{
+            new NiceMock<wifi_system::MockInterfaceTool>};
+    legacy_hal::wifi_hal_fn fake_func_table_;
+    std::shared_ptr<NiceMock<legacy_hal::MockWifiLegacyHal>> legacy_hal_{
+            new NiceMock<legacy_hal::MockWifiLegacyHal>(iface_tool_, fake_func_table_, true)};
+    WifiIfaceUtil* iface_util_ = new WifiIfaceUtil(iface_tool_, legacy_hal_);
+};
+
+TEST_F(WifiIfaceUtilTest, GetOrCreateRandomMacAddress) {
+    auto mac_address = iface_util_->getOrCreateRandomMacAddress();
+    ASSERT_TRUE(isValidUnicastLocallyAssignedMacAddress(mac_address));
+
+    // All further calls should return the same MAC address.
+    ASSERT_EQ(mac_address, iface_util_->getOrCreateRandomMacAddress());
+    ASSERT_EQ(mac_address, iface_util_->getOrCreateRandomMacAddress());
+}
+
+TEST_F(WifiIfaceUtilTest, IfaceEventHandlers_SetMacAddress) {
+    std::array<uint8_t, 6> mac_address = {};
+    std::copy(std::begin(kMacAddress), std::end(kMacAddress), std::begin(mac_address));
+    EXPECT_CALL(*iface_tool_, SetMacAddress(testing::_, testing::_))
+            .WillRepeatedly(testing::Return(true));
+    EXPECT_CALL(*iface_tool_, SetUpState(testing::_, testing::_))
+            .WillRepeatedly(testing::Return(true));
+
+    // Register for iface state toggle events.
+    bool callback_invoked = false;
+    iface_util::IfaceEventHandlers event_handlers = {};
+    event_handlers.on_state_toggle_off_on =
+            [&callback_invoked](const std::string& /* iface_name */) { callback_invoked = true; };
+    iface_util_->registerIfaceEventHandlers(kIfaceName, event_handlers);
+    // Invoke setMacAddress and ensure that the cb is invoked.
+    ASSERT_TRUE(iface_util_->setMacAddress(kIfaceName, mac_address));
+    ASSERT_TRUE(callback_invoked);
+
+    // Unregister for iface state toggle events.
+    callback_invoked = false;
+    iface_util_->unregisterIfaceEventHandlers(kIfaceName);
+    // Invoke setMacAddress and ensure that the cb is not invoked.
+    ASSERT_TRUE(iface_util_->setMacAddress(kIfaceName, mac_address));
+    ASSERT_FALSE(callback_invoked);
+}
+}  // namespace iface_util
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.6/default/tests/wifi_nan_iface_unit_tests.cpp b/wifi/1.6/default/tests/wifi_nan_iface_unit_tests.cpp
new file mode 100644
index 0000000..8a5ddcd
--- /dev/null
+++ b/wifi/1.6/default/tests/wifi_nan_iface_unit_tests.cpp
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <cutils/properties.h>
+#include <gmock/gmock.h>
+
+#undef NAN  // This is weird, NAN is defined in bionic/libc/include/math.h:38
+#include "wifi_nan_iface.h"
+
+#include "mock_interface_tool.h"
+#include "mock_wifi_feature_flags.h"
+#include "mock_wifi_iface_util.h"
+#include "mock_wifi_legacy_hal.h"
+
+using testing::NiceMock;
+using testing::Return;
+using testing::Test;
+
+namespace {
+constexpr char kIfaceName[] = "mockWlan0";
+}  // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+
+using android::hardware::wifi::V1_2::NanDataPathConfirmInd;
+
+bool CaptureIfaceEventHandlers(const std::string& /* iface_name*/,
+                               iface_util::IfaceEventHandlers in_iface_event_handlers,
+                               iface_util::IfaceEventHandlers* out_iface_event_handlers) {
+    *out_iface_event_handlers = in_iface_event_handlers;
+    return true;
+}
+
+class MockNanIfaceEventCallback : public V1_5::IWifiNanIfaceEventCallback {
+  public:
+    MockNanIfaceEventCallback() = default;
+
+    MOCK_METHOD3(notifyCapabilitiesResponse,
+                 Return<void>(uint16_t, const WifiNanStatus&,
+                              const android::hardware::wifi::V1_0::NanCapabilities&));
+    MOCK_METHOD2(notifyEnableResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyConfigResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyDisableResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD3(notifyStartPublishResponse, Return<void>(uint16_t, const WifiNanStatus&, uint8_t));
+    MOCK_METHOD2(notifyStopPublishResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD3(notifyStartSubscribeResponse,
+                 Return<void>(uint16_t, const WifiNanStatus&, uint8_t));
+    MOCK_METHOD2(notifyStopSubscribeResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyTransmitFollowupResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyCreateDataInterfaceResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyDeleteDataInterfaceResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD3(notifyInitiateDataPathResponse,
+                 Return<void>(uint16_t, const WifiNanStatus&, uint32_t));
+    MOCK_METHOD2(notifyRespondToDataPathIndicationResponse,
+                 Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD2(notifyTerminateDataPathResponse, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD1(eventClusterEvent, Return<void>(const NanClusterEventInd&));
+    MOCK_METHOD1(eventDisabled, Return<void>(const WifiNanStatus&));
+    MOCK_METHOD2(eventPublishTerminated, Return<void>(uint8_t, const WifiNanStatus&));
+    MOCK_METHOD2(eventSubscribeTerminated, Return<void>(uint8_t, const WifiNanStatus&));
+    MOCK_METHOD1(eventMatch, Return<void>(const V1_0::NanMatchInd&));
+    MOCK_METHOD1(eventMatch_1_6, Return<void>(const NanMatchInd&));
+    MOCK_METHOD2(eventMatchExpired, Return<void>(uint8_t, uint32_t));
+    MOCK_METHOD1(eventFollowupReceived, Return<void>(const NanFollowupReceivedInd&));
+    MOCK_METHOD2(eventTransmitFollowup, Return<void>(uint16_t, const WifiNanStatus&));
+    MOCK_METHOD1(eventDataPathRequest, Return<void>(const NanDataPathRequestInd&));
+    MOCK_METHOD1(eventDataPathConfirm,
+                 Return<void>(const android::hardware::wifi::V1_0::NanDataPathConfirmInd&));
+    MOCK_METHOD1(eventDataPathTerminated, Return<void>(uint32_t));
+    MOCK_METHOD1(eventDataPathConfirm_1_2,
+                 Return<void>(const android::hardware::wifi::V1_2::NanDataPathConfirmInd&));
+    MOCK_METHOD1(eventDataPathConfirm_1_6, Return<void>(const NanDataPathConfirmInd&));
+    MOCK_METHOD1(eventDataPathScheduleUpdate,
+                 Return<void>(const android::hardware::wifi::V1_2::NanDataPathScheduleUpdateInd&));
+    MOCK_METHOD1(eventDataPathScheduleUpdate_1_6,
+                 Return<void>(const NanDataPathScheduleUpdateInd&));
+    MOCK_METHOD3(notifyCapabilitiesResponse_1_5,
+                 Return<void>(uint16_t, const WifiNanStatus&, const V1_5::NanCapabilities&));
+};
+
+class WifiNanIfaceTest : public Test {
+  protected:
+    legacy_hal::wifi_hal_fn fake_func_table_;
+    std::shared_ptr<NiceMock<wifi_system::MockInterfaceTool>> iface_tool_{
+            new NiceMock<wifi_system::MockInterfaceTool>};
+    std::shared_ptr<NiceMock<legacy_hal::MockWifiLegacyHal>> legacy_hal_{
+            new NiceMock<legacy_hal::MockWifiLegacyHal>(iface_tool_, fake_func_table_, true)};
+    std::shared_ptr<NiceMock<iface_util::MockWifiIfaceUtil>> iface_util_{
+            new NiceMock<iface_util::MockWifiIfaceUtil>(iface_tool_, legacy_hal_)};
+};
+
+TEST_F(WifiNanIfaceTest, IfacEventHandlers_OnStateToggleOffOn) {
+    iface_util::IfaceEventHandlers captured_iface_event_handlers = {};
+    EXPECT_CALL(*legacy_hal_, nanRegisterCallbackHandlers(testing::_, testing::_))
+            .WillOnce(testing::Return(legacy_hal::WIFI_SUCCESS));
+    EXPECT_CALL(*iface_util_, registerIfaceEventHandlers(testing::_, testing::_))
+            .WillOnce(testing::Invoke(bind(CaptureIfaceEventHandlers, std::placeholders::_1,
+                                           std::placeholders::_2, &captured_iface_event_handlers)));
+    sp<WifiNanIface> nan_iface = new WifiNanIface(kIfaceName, false, legacy_hal_, iface_util_);
+
+    // Register a mock nan event callback.
+    sp<NiceMock<MockNanIfaceEventCallback>> mock_event_callback{
+            new NiceMock<MockNanIfaceEventCallback>};
+    nan_iface->registerEventCallback(mock_event_callback, [](const WifiStatus& status) {
+        ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+    });
+    // Ensure that the eventDisabled() function in mock callback will be
+    // invoked.
+    WifiNanStatus expected_nan_status = {NanStatusType::UNSUPPORTED_CONCURRENCY_NAN_DISABLED, ""};
+    EXPECT_CALL(*mock_event_callback, eventDisabled(expected_nan_status)).Times(1);
+
+    // Trigger the iface state toggle callback.
+    captured_iface_event_handlers.on_state_toggle_off_on(kIfaceName);
+}
+}  // namespace implementation
+}  // namespace V1_6
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android