Wifi: Uprev Wifi HAL to 1.4
Move Wifi HAL from 1.3 to 1.4
This commit also include adding the VINTF fragment definition for IWifi
hal.
Bug: 138243400
Test: Builds and wifi works
Change-Id: I5ec9b21f8d6b7e1b5b5e47e26681dd4ed3ffcc2d
diff --git a/wifi/1.4/default/wifi_iface_util.cpp b/wifi/1.4/default/wifi_iface_util.cpp
new file mode 100644
index 0000000..2883b46
--- /dev/null
+++ b/wifi/1.4/default/wifi_iface_util.cpp
@@ -0,0 +1,118 @@
+/*
+ * 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 <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_4 {
+namespace implementation {
+namespace iface_util {
+
+WifiIfaceUtil::WifiIfaceUtil(
+ const std::weak_ptr<wifi_system::InterfaceTool> iface_tool)
+ : iface_tool_(iface_tool),
+ 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) {
+ if (!iface_tool_.lock()->SetUpState(iface_name.c_str(), false)) {
+ LOG(ERROR) << "SetUpState(false) failed.";
+ return false;
+ }
+ if (!iface_tool_.lock()->SetMacAddress(iface_name.c_str(), mac)) {
+ LOG(ERROR) << "SetMacAddress failed.";
+ return false;
+ }
+ if (!iface_tool_.lock()->SetUpState(iface_name.c_str(), true)) {
+ LOG(ERROR) << "SetUpState(true) failed.";
+ return false;
+ }
+ 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);
+ }
+ LOG(DEBUG) << "Successfully SetMacAddress.";
+ return true;
+}
+
+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;
+}
+} // namespace iface_util
+} // namespace implementation
+} // namespace V1_4
+} // namespace wifi
+} // namespace hardware
+} // namespace android