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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Staache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <numeric>
     18 #include <vector>
     19 
     20 #include <android-base/logging.h>
     21 
     22 #include <android/hardware/wifi/1.2/IWifiStaIface.h>
     23 
     24 #include <VtsHalHidlTargetTestBase.h>
     25 
     26 #include "wifi_hidl_call_util.h"
     27 #include "wifi_hidl_test_utils.h"
     28 
     29 using ::android::sp;
     30 using ::android::hardware::wifi::V1_0::CommandId;
     31 using ::android::hardware::wifi::V1_0::WifiStatusCode;
     32 using ::android::hardware::wifi::V1_2::IWifiStaIface;
     33 
     34 /**
     35  * Fixture to use for all STA Iface HIDL interface tests.
     36  */
     37 class WifiStaIfaceHidlTest : public ::testing::VtsHalHidlTargetTestBase {
     38    public:
     39     virtual void SetUp() override {
     40         wifi_sta_iface_ = IWifiStaIface::castFrom(getWifiStaIface());
     41         ASSERT_NE(nullptr, wifi_sta_iface_.get());
     42     }
     43 
     44     virtual void TearDown() override { stopWifi(); }
     45 
     46    protected:
     47     bool isCapabilitySupported(IWifiStaIface::StaIfaceCapabilityMask cap_mask) {
     48         const auto& status_and_caps =
     49             HIDL_INVOKE(wifi_sta_iface_, getCapabilities);
     50         EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_caps.first.code);
     51         return (status_and_caps.second & cap_mask) != 0;
     52     }
     53 
     54     sp<IWifiStaIface> wifi_sta_iface_;
     55 };
     56 
     57 /*
     58  * SetMacAddress:
     59  * Ensures that calls to set MAC address will return a success status
     60  * code.
     61  */
     62 TEST_F(WifiStaIfaceHidlTest, SetMacAddress) {
     63     const android::hardware::hidl_array<uint8_t, 6> kMac{
     64         std::array<uint8_t, 6>{{0x12, 0x22, 0x33, 0x52, 0x10, 0x41}}};
     65     EXPECT_EQ(WifiStatusCode::SUCCESS,
     66               HIDL_INVOKE(wifi_sta_iface_, setMacAddress, kMac).code);
     67 }
     68 
     69 /*
     70  * ReadApfPacketFilterData:
     71  * Ensures that we can read the APF working memory when supported.
     72  *
     73  * TODO: Test disabled because we can't even test reading and writing the APF
     74  * memory while the interface is in disconnected state (b/73804303#comment25).
     75  * There's a pending bug on VTS infra to add such support (b/32974062).
     76  * TODO: We can't execute APF opcodes from this test because there's no way
     77  * to loop test packets through the wifi firmware (b/73804303#comment29).
     78  */
     79 TEST_F(WifiStaIfaceHidlTest, DISABLED_ReadApfPacketFilterData) {
     80     if (!isCapabilitySupported(IWifiStaIface::StaIfaceCapabilityMask::APF)) {
     81         // Disable test if APF packet filer is not supported.
     82         LOG(WARNING) << "TEST SKIPPED: APF packet filtering not supported";
     83         return;
     84     }
     85 
     86     const auto& status_and_caps =
     87         HIDL_INVOKE(wifi_sta_iface_, getApfPacketFilterCapabilities);
     88     EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_caps.first.code);
     89     LOG(WARNING) << "StaApfPacketFilterCapabilities: version="
     90                  << status_and_caps.second.version
     91                  << " maxLength=" << status_and_caps.second.maxLength;
     92 
     93     const CommandId kCmd = 0;  // Matches what WifiVendorHal.java uses.
     94     const uint32_t kDataSize =
     95         std::min(status_and_caps.second.maxLength, static_cast<uint32_t>(500));
     96 
     97     // Create a buffer and fill it with some values.
     98     std::vector<uint8_t> data(kDataSize);
     99     std::iota(data.begin(), data.end(), 0);
    100 
    101     EXPECT_EQ(
    102         HIDL_INVOKE(wifi_sta_iface_, installApfPacketFilter, kCmd, data).code,
    103         WifiStatusCode::SUCCESS);
    104     const auto& status_and_data =
    105         HIDL_INVOKE(wifi_sta_iface_, readApfPacketFilterData);
    106     EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_data.first.code);
    107 
    108     EXPECT_EQ(status_and_data.second, data);
    109 }
    110