Wifi: Uprev wifi HAL to 1.6
This commit uprevs the Wifi vendor HAL to 1.6
Bug: 214108561
Test: atest VtsHalWifiV1_0TargetTest VtsHalWifiNanV1_0TargetTest VtsHalWifiApV1_0TargetTest \
VtsHalWifiV1_1TargetTest \
VtsHalWifiV1_2TargetTest VtsHalWifiNanV1_2TargetTest \
VtsHalWifiV1_3TargetTest \
VtsHalWifiApV1_4TargetTest VtsHalWifiNanV1_4TargetTest VtsHalWifiRttV1_4TargetTest \
VtsHalWifiV1_5TargetTest VtsHalWifiNanV1_5TargetTest VtsHalWifiApV1_5TargetTest
Change-Id: I059a5de346e353f7fba1e008ecd9fb4611e66880
diff --git a/wifi/1.6/default/wifi_iface_util.cpp b/wifi/1.6/default/wifi_iface_util.cpp
new file mode 100644
index 0000000..d55e4f8
--- /dev/null
+++ b/wifi/1.6/default/wifi_iface_util.cpp
@@ -0,0 +1,176 @@
+/*
+ * 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 <net/if.h>
+#include <cstddef>
+#include <iostream>
+#include <limits>
+#include <random>
+
+#include <android-base/logging.h>
+#include <android-base/macros.h>
+#include <private/android_filesystem_config.h>
+
+#undef NAN
+#include "wifi_iface_util.h"
+
+namespace {
+// Constants to set the local bit & clear the multicast bit.
+constexpr uint8_t kMacAddressMulticastMask = 0x01;
+constexpr uint8_t kMacAddressLocallyAssignedMask = 0x02;
+} // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_6 {
+namespace implementation {
+namespace iface_util {
+
+WifiIfaceUtil::WifiIfaceUtil(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
+ : iface_tool_(iface_tool),
+ legacy_hal_(legacy_hal),
+ random_mac_address_(nullptr),
+ event_handlers_map_() {}
+
+std::array<uint8_t, 6> WifiIfaceUtil::getFactoryMacAddress(const std::string& iface_name) {
+ return iface_tool_.lock()->GetFactoryMacAddress(iface_name.c_str());
+}
+
+bool WifiIfaceUtil::setMacAddress(const std::string& iface_name,
+ const std::array<uint8_t, 6>& mac) {
+#ifndef WIFI_AVOID_IFACE_RESET_MAC_CHANGE
+ legacy_hal::wifi_error legacy_status;
+ uint64_t legacy_feature_set;
+ std::tie(legacy_status, legacy_feature_set) =
+ legacy_hal_.lock()->getSupportedFeatureSet(iface_name);
+
+ if (!(legacy_feature_set & WIFI_FEATURE_DYNAMIC_SET_MAC) &&
+ !iface_tool_.lock()->SetUpState(iface_name.c_str(), false)) {
+ LOG(ERROR) << "SetUpState(false) failed.";
+ return false;
+ }
+#endif
+ bool success = iface_tool_.lock()->SetMacAddress(iface_name.c_str(), mac);
+#ifndef WIFI_AVOID_IFACE_RESET_MAC_CHANGE
+ if (!(legacy_feature_set & WIFI_FEATURE_DYNAMIC_SET_MAC) &&
+ !iface_tool_.lock()->SetUpState(iface_name.c_str(), true)) {
+ LOG(ERROR) << "SetUpState(true) failed. Wait for driver ready.";
+ // Wait for driver ready and try to set iface UP again
+ if (legacy_hal_.lock()->waitForDriverReady() != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "SetUpState(true) wait for driver ready failed.";
+ return false;
+ }
+ if (!iface_tool_.lock()->SetUpState(iface_name.c_str(), true)) {
+ LOG(ERROR) << "SetUpState(true) failed after retry.";
+ return false;
+ }
+ }
+#endif
+ IfaceEventHandlers event_handlers = {};
+ const auto it = event_handlers_map_.find(iface_name);
+ if (it != event_handlers_map_.end()) {
+ event_handlers = it->second;
+ }
+ if (event_handlers.on_state_toggle_off_on != nullptr) {
+ event_handlers.on_state_toggle_off_on(iface_name);
+ }
+ if (!success) {
+ LOG(ERROR) << "SetMacAddress failed on " << iface_name;
+ } else {
+ LOG(DEBUG) << "SetMacAddress succeeded on " << iface_name;
+ }
+ return success;
+}
+
+std::array<uint8_t, 6> WifiIfaceUtil::getOrCreateRandomMacAddress() {
+ if (random_mac_address_) {
+ return *random_mac_address_.get();
+ }
+ random_mac_address_ = std::make_unique<std::array<uint8_t, 6>>(createRandomMacAddress());
+ return *random_mac_address_.get();
+}
+
+void WifiIfaceUtil::registerIfaceEventHandlers(const std::string& iface_name,
+ IfaceEventHandlers handlers) {
+ event_handlers_map_[iface_name] = handlers;
+}
+
+void WifiIfaceUtil::unregisterIfaceEventHandlers(const std::string& iface_name) {
+ event_handlers_map_.erase(iface_name);
+}
+
+std::array<uint8_t, 6> WifiIfaceUtil::createRandomMacAddress() {
+ std::array<uint8_t, 6> address = {};
+ std::random_device rd;
+ std::default_random_engine engine(rd());
+ std::uniform_int_distribution<uint8_t> dist(std::numeric_limits<uint8_t>::min(),
+ std::numeric_limits<uint8_t>::max());
+ for (size_t i = 0; i < address.size(); i++) {
+ address[i] = dist(engine);
+ }
+ // Set the local bit and clear the multicast bit.
+ address[0] |= kMacAddressLocallyAssignedMask;
+ address[0] &= ~kMacAddressMulticastMask;
+ return address;
+}
+
+bool WifiIfaceUtil::setUpState(const std::string& iface_name, bool request_up) {
+ if (!iface_tool_.lock()->SetUpState(iface_name.c_str(), request_up)) {
+ LOG(ERROR) << "SetUpState to " << request_up << " failed";
+ return false;
+ }
+ return true;
+}
+
+unsigned WifiIfaceUtil::ifNameToIndex(const std::string& iface_name) {
+ return if_nametoindex(iface_name.c_str());
+}
+
+bool WifiIfaceUtil::createBridge(const std::string& br_name) {
+ if (!iface_tool_.lock()->createBridge(br_name)) {
+ return false;
+ }
+
+ if (!iface_tool_.lock()->SetUpState(br_name.c_str(), true)) {
+ LOG(ERROR) << "bridge SetUpState(true) failed.";
+ }
+ return true;
+}
+
+bool WifiIfaceUtil::deleteBridge(const std::string& br_name) {
+ if (!iface_tool_.lock()->SetUpState(br_name.c_str(), false)) {
+ LOG(INFO) << "SetUpState(false) failed for bridge=" << br_name.c_str();
+ }
+
+ return iface_tool_.lock()->deleteBridge(br_name);
+}
+
+bool WifiIfaceUtil::addIfaceToBridge(const std::string& br_name, const std::string& if_name) {
+ return iface_tool_.lock()->addIfaceToBridge(br_name, if_name);
+}
+
+bool WifiIfaceUtil::removeIfaceFromBridge(const std::string& br_name, const std::string& if_name) {
+ return iface_tool_.lock()->removeIfaceFromBridge(br_name, if_name);
+}
+
+} // namespace iface_util
+} // namespace implementation
+} // namespace V1_6
+} // namespace wifi
+} // namespace hardware
+} // namespace android