Convert vendor HAL service to use new AIDL interface.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: I286ffbf67efddc6c34d34ebd9e9bd9f36139c962
diff --git a/wifi/aidl/default/wifi_ap_iface.cpp b/wifi/aidl/default/wifi_ap_iface.cpp
new file mode 100644
index 0000000..6cd932d
--- /dev/null
+++ b/wifi/aidl/default/wifi_ap_iface.cpp
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2022 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 "wifi_ap_iface.h"
+
+#include <android-base/logging.h>
+
+#include "aidl_return_util.h"
+#include "aidl_struct_util.h"
+#include "wifi_status_util.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+using aidl_return_util::validateAndCall;
+
+WifiApIface::WifiApIface(const std::string& ifname, const std::vector<std::string>& instances,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
+ const std::weak_ptr<iface_util::WifiIfaceUtil> iface_util)
+ : ifname_(ifname),
+ instances_(instances),
+ legacy_hal_(legacy_hal),
+ iface_util_(iface_util),
+ is_valid_(true) {}
+
+void WifiApIface::invalidate() {
+ legacy_hal_.reset();
+ is_valid_ = false;
+}
+
+bool WifiApIface::isValid() {
+ return is_valid_;
+}
+
+std::string WifiApIface::getName() {
+ return ifname_;
+}
+
+void WifiApIface::removeInstance(std::string instance) {
+ instances_.erase(std::remove(instances_.begin(), instances_.end(), instance), instances_.end());
+}
+
+ndk::ScopedAStatus WifiApIface::getName(std::string* _aidl_return) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::getNameInternal, _aidl_return);
+}
+
+ndk::ScopedAStatus WifiApIface::setCountryCode(const std::array<uint8_t, 2>& in_code) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::setCountryCodeInternal, in_code);
+}
+
+ndk::ScopedAStatus WifiApIface::getValidFrequenciesForBand(WifiBand in_band,
+ std::vector<int32_t>* _aidl_return) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::getValidFrequenciesForBandInternal, _aidl_return, in_band);
+}
+
+ndk::ScopedAStatus WifiApIface::setMacAddress(const std::array<uint8_t, 6>& in_mac) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::setMacAddressInternal, in_mac);
+}
+
+ndk::ScopedAStatus WifiApIface::getFactoryMacAddress(std::array<uint8_t, 6>* _aidl_return) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::getFactoryMacAddressInternal, _aidl_return,
+ instances_.size() > 0 ? instances_[0] : ifname_);
+}
+
+ndk::ScopedAStatus WifiApIface::resetToFactoryMacAddress() {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::resetToFactoryMacAddressInternal);
+}
+
+ndk::ScopedAStatus WifiApIface::getBridgedInstances(std::vector<std::string>* _aidl_return) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiApIface::getBridgedInstancesInternal, _aidl_return);
+}
+
+std::pair<std::string, ndk::ScopedAStatus> WifiApIface::getNameInternal() {
+ return {ifname_, ndk::ScopedAStatus::ok()};
+}
+
+ndk::ScopedAStatus WifiApIface::setCountryCodeInternal(const std::array<uint8_t, 2>& code) {
+ legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->setCountryCode(
+ instances_.size() > 0 ? instances_[0] : ifname_, code);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+std::pair<std::vector<int32_t>, ndk::ScopedAStatus> WifiApIface::getValidFrequenciesForBandInternal(
+ WifiBand band) {
+ static_assert(sizeof(WifiChannelWidthInMhz) == sizeof(int32_t), "Size mismatch");
+ legacy_hal::wifi_error legacy_status;
+ std::vector<uint32_t> valid_frequencies;
+ std::tie(legacy_status, valid_frequencies) = legacy_hal_.lock()->getValidFrequenciesForBand(
+ instances_.size() > 0 ? instances_[0] : ifname_,
+ aidl_struct_util::convertAidlWifiBandToLegacy(band));
+ return {std::vector<int32_t>(valid_frequencies.begin(), valid_frequencies.end()),
+ createWifiStatusFromLegacyError(legacy_status)};
+}
+
+ndk::ScopedAStatus WifiApIface::setMacAddressInternal(const std::array<uint8_t, 6>& mac) {
+ // Support random MAC up to 2 interfaces
+ if (instances_.size() == 2) {
+ int rbyte = 1;
+ for (auto const& intf : instances_) {
+ std::array<uint8_t, 6> rmac = mac;
+ // reverse the bits to avoid collision
+ rmac[rbyte] = 0xff - rmac[rbyte];
+ if (!iface_util_.lock()->setMacAddress(intf, rmac)) {
+ LOG(INFO) << "Failed to set random mac address on " << intf;
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ rbyte++;
+ }
+ }
+ // It also needs to set mac address for bridged interface, otherwise the mac
+ // address of bridged interface will be changed after one of instance
+ // down.
+ if (!iface_util_.lock()->setMacAddress(ifname_, mac)) {
+ LOG(ERROR) << "Fail to config MAC for interface " << ifname_;
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+std::pair<std::array<uint8_t, 6>, ndk::ScopedAStatus> WifiApIface::getFactoryMacAddressInternal(
+ const std::string& ifaceName) {
+ std::array<uint8_t, 6> mac = iface_util_.lock()->getFactoryMacAddress(ifaceName);
+ if (mac[0] == 0 && mac[1] == 0 && mac[2] == 0 && mac[3] == 0 && mac[4] == 0 && mac[5] == 0) {
+ return {mac, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+ }
+ return {mac, ndk::ScopedAStatus::ok()};
+}
+
+ndk::ScopedAStatus WifiApIface::resetToFactoryMacAddressInternal() {
+ std::pair<std::array<uint8_t, 6>, ndk::ScopedAStatus> getMacResult;
+ if (instances_.size() == 2) {
+ for (auto const& intf : instances_) {
+ getMacResult = getFactoryMacAddressInternal(intf);
+ LOG(DEBUG) << "Reset MAC to factory MAC on " << intf;
+ if (!getMacResult.second.isOk() ||
+ !iface_util_.lock()->setMacAddress(intf, getMacResult.first)) {
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ }
+ // We need to set mac address for bridged interface, otherwise the mac
+ // address of the bridged interface will be changed after one of the
+ // instances goes down. Thus we are generating a random MAC address for
+ // the bridged interface even if we got the request to reset the Factory
+ // MAC. This is because the bridged interface is an internal interface
+ // for the operation of bpf and other networking operations.
+ if (!iface_util_.lock()->setMacAddress(ifname_,
+ iface_util_.lock()->createRandomMacAddress())) {
+ LOG(ERROR) << "Fail to config MAC for bridged interface " << ifname_;
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ } else {
+ getMacResult = getFactoryMacAddressInternal(ifname_);
+ LOG(DEBUG) << "Reset MAC to factory MAC on " << ifname_;
+ if (!getMacResult.second.isOk() ||
+ !iface_util_.lock()->setMacAddress(ifname_, getMacResult.first)) {
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+std::pair<std::vector<std::string>, ndk::ScopedAStatus> WifiApIface::getBridgedInstancesInternal() {
+ return {instances_, ndk::ScopedAStatus::ok()};
+}
+
+} // namespace wifi
+} // namespace hardware
+} // namespace android
+} // namespace aidl