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Commit c802e093 authored by Roshan Pius's avatar Roshan Pius
Browse files

wifi(vts): Add retry for HAL start

Port of the retry logic added in HalDeviceManager for temporary IWifi.start()
failures when invoked immediately after IWifi.stop().

Bug: 38342536
Test: Run VTS tests
Change-Id: Ie58a08c45979bafa0c61fa1c8536a2c0a0cd8ed9
parent 76cfb841
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+12 −1
Original line number Original line Diff line number Diff line
@@ -36,6 +36,9 @@ using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_vec;


namespace {
namespace {
constexpr uint32_t kHalStartRetryMaxCount = 5;
constexpr uint32_t kHalStartRetryIntervalInMs = 2;

bool findAnyModeSupportingIfaceType(
bool findAnyModeSupportingIfaceType(
    IfaceType desired_type, const std::vector<IWifiChip::ChipMode>& modes,
    IfaceType desired_type, const std::vector<IWifiChip::ChipMode>& modes,
    ChipModeId* mode_id) {
    ChipModeId* mode_id) {
@@ -92,7 +95,15 @@ sp<IWifiChip> getWifiChip() {
    if (!wifi.get()) {
    if (!wifi.get()) {
        return nullptr;
        return nullptr;
    }
    }
    if (HIDL_INVOKE(wifi, start).code != WifiStatusCode::SUCCESS) {
    uint32_t retry_count = 0;
    auto status = HIDL_INVOKE(wifi, start);
    while (retry_count < kHalStartRetryMaxCount &&
           status.code == WifiStatusCode::ERROR_NOT_AVAILABLE) {
        retry_count++;
        usleep(kHalStartRetryIntervalInMs * 1000);
        status = HIDL_INVOKE(wifi, start);
    }
    if (status.code != WifiStatusCode::SUCCESS) {
        return nullptr;
        return nullptr;
    }
    }
    const auto& status_and_chip_ids = HIDL_INVOKE(wifi, getChipIds);
    const auto& status_and_chip_ids = HIDL_INVOKE(wifi, getChipIds);