| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #pragma once |
| |
| #include "common/vsoc/lib/wifi_exchange_view.h" |
| |
| #include <errno.h> |
| #include <functional> |
| #include <map> |
| #include <memory> |
| #include <mutex> |
| #include <netlink/netlink.h> |
| |
| struct Mac80211HwSim { |
| using MacAddress = vsoc::wifi::WifiExchangeView::MacAddress; |
| |
| static constexpr size_t kMessageSizeMax = 128 * 1024; |
| |
| explicit Mac80211HwSim(const MacAddress &mac); |
| Mac80211HwSim(const Mac80211HwSim &) = delete; |
| Mac80211HwSim &operator=(const Mac80211HwSim &) = delete; |
| |
| virtual ~Mac80211HwSim() = default; |
| |
| int initCheck() const; |
| |
| int socketFd() const; |
| |
| void handlePacket(); |
| |
| int mac80211Family() const { return mMac80211Family; } |
| int nl80211Family() const { return mNl80211Family; } |
| |
| int addRemote( |
| const MacAddress &mac, |
| vsoc::wifi::WifiExchangeView *wifiExchange); |
| |
| void removeRemote(const MacAddress &mac); |
| |
| private: |
| struct Remote { |
| explicit Remote( |
| Mac80211HwSim *parent, |
| vsoc::wifi::WifiExchangeView *wifiExchange); |
| |
| Remote(const Remote &) = delete; |
| Remote &operator=(const Remote &) = delete; |
| |
| virtual ~Remote(); |
| |
| intptr_t send(const void *data, size_t size); |
| |
| private: |
| Mac80211HwSim *mParent; |
| vsoc::wifi::WifiExchangeView *mWifiExchange; |
| std::unique_ptr<vsoc::RegionWorker> mWifiWorker; |
| |
| volatile bool mDone = false; |
| std::unique_ptr<std::thread> mThread; |
| }; |
| |
| int mInitCheck = -ENODEV; |
| MacAddress mMAC; |
| std::unique_ptr<nl_sock, void (*)(nl_sock *)> mSock; |
| int mMac80211Family = 0; |
| int mNl80211Family = 0; |
| |
| std::mutex mRemotesLock; |
| std::map<MacAddress, std::unique_ptr<Remote>> mRemotes; |
| |
| void injectMessage(nlmsghdr *hdr); |
| void injectFrame(const void *data, size_t size); |
| void ackFrame(nlmsghdr *msg); |
| void dumpMessage(nlmsghdr *msg) const; |
| int registerOrSubscribe(const MacAddress &mac); |
| }; |