DEV9: Move reconfiguration code into net.cpp

Also make the internal server aware of the reconfiguration

pcsx2/DEV9/DEV9.cpp

@@ -1090,26 +1090,10 @@ void ApplyConfigIfRunning(Config oldConfig)
 		return;
 
 	//Eth
-	if (config.ethEnable)
-	{
-		if (oldConfig.ethEnable)
-		{
-			//Reload Net if adapter changed
-			if (strcmp(oldConfig.Eth, config.Eth) != 0 ||
-				oldConfig.EthApi != config.EthApi)
-			{
-				TermNet();
-				InitNet();
-			}
-		}
-		else
-			InitNet();
-	}
-	else if (oldConfig.ethEnable)
-		TermNet();
+	ReconfigureLiveNet(&oldConfig);
 
-		//Hdd
-		//Hdd Validate Path
+	//Hdd
+	//Hdd Validate Path
 #ifdef _WIN32
 	ghc::filesystem::path hddPath(std::wstring(config.Hdd));
 #else

pcsx2/DEV9/DEV9.h

@@ -56,7 +56,7 @@ bool rx_fifo_can_rx();
 #define HDD_MIN_GB 8
 #define HDD_MAX_GB 120
 
-typedef struct
+struct Config
 {
 	char Eth[256];
 	NetApi EthApi;
@@ -69,7 +69,7 @@ typedef struct
 
 	int hddEnable;
 	int ethEnable;
-} Config;
+};
 
 EXTERN Config config;
 

pcsx2/DEV9/Win32/tap-win32.cpp

@@ -665,6 +665,17 @@ bool TAPAdapter::send(NetPacket* pkt)
 	else
 		return false;
 }
+
+void TAPAdapter::reloadSettings()
+{
+	IP_ADAPTER_ADDRESSES adapter;
+	std::unique_ptr<IP_ADAPTER_ADDRESSES[]> buffer;
+	if (TAPGetWin32Adapter(config.Eth, &adapter, &buffer))
+		ReloadInternalServer(&adapter);
+	else
+		ReloadInternalServer(nullptr);
+}
+
 void TAPAdapter::close()
 {
 	SetEvent(cancel);

pcsx2/DEV9/Win32/tap.h

@@ -34,6 +34,7 @@ public:
 	virtual bool recv(NetPacket* pkt);
 	//sends the packet and deletes it when done (if successful).rv :true success
 	virtual bool send(NetPacket* pkt);
+	virtual void reloadSettings();
 	virtual void close();
 	virtual ~TAPAdapter();
 	static std::vector<AdapterEntry> GetAdapters();

pcsx2/DEV9/net.cpp

@@ -121,6 +121,31 @@ void InitNet()
 #endif
 }
 
+void ReconfigureLiveNet(Config* oldConfig)
+{
+	//Eth
+	if (config.ethEnable)
+	{
+		if (oldConfig->ethEnable)
+		{
+			//Reload Net if adapter changed
+			if (strcmp(oldConfig->Eth, config.Eth) != 0 ||
+				oldConfig->EthApi != config.EthApi)
+			{
+				TermNet();
+				InitNet();
+				return;
+			}
+			else
+				nif->reloadSettings();
+		}
+		else
+			InitNet();
+	}
+	else if (oldConfig->ethEnable)
+		TermNet();
+}
+
 void TermNet()
 {
 	if (RxRunning)
@@ -257,6 +282,16 @@ void NetAdapter::InitInternalServer(ifaddrs* adapter)
 	}
 }
 
+#ifdef _WIN32
+void NetAdapter::ReloadInternalServer(PIP_ADAPTER_ADDRESSES adapter)
+#elif defined(__POSIX__)
+void NetAdapter::ReloadInternalServer(ifaddrs* adapter)
+#endif
+{
+	if (adapter == nullptr)
+		Console.Error("DEV9: ReloadInternalServer() got nullptr for adapter");
+}
+
 bool NetAdapter::InternalServerRecv(NetPacket* pkt)
 {
 	return false;

pcsx2/DEV9/net.h

@@ -33,6 +33,8 @@
 
 #include "PacketReader/IP/IP_Address.h"
 
+struct Config;
+
 // first three recognized by Xlink as Sony PS2
 const u8 defaultMAC[6] = {0x00, 0x04, 0x1F, 0x82, 0x30, 0x31};
 
@@ -97,6 +99,7 @@ public:
 	virtual bool isInitialised() = 0;
 	virtual bool recv(NetPacket* pkt); //gets a packet
 	virtual bool send(NetPacket* pkt); //sends the packet and deletes it when done
+	virtual void reloadSettings() = 0;
 	virtual void close(){};
 	virtual ~NetAdapter();
 
@@ -106,8 +109,10 @@ protected:
 
 #ifdef _WIN32
 	void InitInternalServer(PIP_ADAPTER_ADDRESSES adapter);
+	void ReloadInternalServer(PIP_ADAPTER_ADDRESSES adapter);
 #elif defined(__POSIX__)
 	void InitInternalServer(ifaddrs* adapter);
+	void ReloadInternalServer(ifaddrs* adapter);
 #endif
 
 private:
@@ -120,6 +125,7 @@ private:
 
 void tx_put(NetPacket* ptr);
 void InitNet();
+void ReconfigureLiveNet(Config* oldConfig);
 void TermNet();
 
 const char* NetApiToString(NetApi api);

pcsx2/DEV9/pcap_io.cpp

@@ -427,6 +427,29 @@ bool PCAPAdapter::send(NetPacket* pkt)
 		return true;
 	}
 }
+
+void PCAPAdapter::reloadSettings()
+{
+#ifdef _WIN32
+	IP_ADAPTER_ADDRESSES adapter;
+	std::unique_ptr<IP_ADAPTER_ADDRESSES[]> buffer;
+	if (PCAPGetWin32Adapter(config.Eth, &adapter, &buffer))
+		ReloadInternalServer(&adapter);
+	else
+		ReloadInternalServer(nullptr);
+#elif defined(__POSIX__)
+	ifaddrs adapter;
+	ifaddrs* buffer;
+	if (PCAPGetIfAdapter(config.Eth, &adapter, &buffer))
+	{
+		ReloadInternalServer(&adapter);
+		freeifaddrs(buffer);
+	}
+	else
+		ReloadInternalServer(nullptr);
+#endif
+}
+
 PCAPAdapter::~PCAPAdapter()
 {
 	pcap_io_close();

pcsx2/DEV9/pcap_io.h

@@ -181,6 +181,7 @@ public:
 	virtual bool recv(NetPacket* pkt);
 	//sends the packet and deletes it when done (if successful).rv :true success
 	virtual bool send(NetPacket* pkt);
+	virtual void reloadSettings();
 	virtual ~PCAPAdapter();
 	static std::vector<AdapterEntry> GetAdapters();
 };