diff options
Diffstat (limited to 'wifi/1.5/default/wifi_iface_util.cpp')
-rw-r--r-- | wifi/1.5/default/wifi_iface_util.cpp | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/wifi/1.5/default/wifi_iface_util.cpp b/wifi/1.5/default/wifi_iface_util.cpp deleted file mode 100644 index f1c182fc7d..0000000000 --- a/wifi/1.5/default/wifi_iface_util.cpp +++ /dev/null @@ -1,196 +0,0 @@ -/* - * 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_5 { -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_index_(0), - event_handlers_map_() { - for (int i=0; i < MAX_RANDOM_MAC_ADDR_INDEX; i++) - random_mac_address_[i] = nullptr; -} - -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; -} - -void WifiIfaceUtil::setRandomMacAddressIndex(int idx) { - if (idx >= MAX_RANDOM_MAC_ADDR_INDEX) { - LOG(ERROR) << "Requested random mac address index crossed max limit!!"; - return; - } - - random_mac_address_index_ = idx; -} - -std::array<uint8_t, 6> WifiIfaceUtil::getOrCreateRandomMacAddress() { - if (random_mac_address_[random_mac_address_index_]) { - return *random_mac_address_[random_mac_address_index_].get(); - } - random_mac_address_[random_mac_address_index_] = - std::make_unique<std::array<uint8_t, 6>>(createRandomMacAddress()); - return *random_mac_address_[random_mac_address_index_].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_5 -} // namespace wifi -} // namespace hardware -} // namespace android |