Method Send

pcsx2/DEV9/Sessions/ICMP_Session/ICMP_Session.cpp:503–651

	}

	bool ICMP_Session::Ping::Send(IP_Address parAdapterIP, IP_Address parDestIP, int parTimeToLive, PayloadPtr* parPayload)
	{
#ifdef _WIN32
		// Documentation is incorrect, IP_OPTION_INFORMATION is to be used regardless of platform
		IP_OPTION_INFORMATION ipInfo{};
		ipInfo.Ttl = parTimeToLive;
		DWORD ret;
		if (parAdapterIP.integer != 0)
			ret = IcmpSendEcho2Ex(icmpFile, icmpEvent, nullptr, nullptr, parAdapterIP.integer, parDestIP.integer, const_cast<u8*>(parPayload->data), parPayload->GetLength(), &ipInfo, icmpResponseBuffer.get(), icmpResponseBufferLen,
				static_cast<DWORD>(std::chrono::duration_cast<std::chrono::milliseconds>(ICMP_TIMEOUT).count()));
		else
			ret = IcmpSendEcho2(icmpFile, icmpEvent, nullptr, nullptr, parDestIP.integer, const_cast<u8*>(parPayload->data), parPayload->GetLength(), &ipInfo, icmpResponseBuffer.get(), icmpResponseBufferLen,
				static_cast<DWORD>(std::chrono::duration_cast<std::chrono::milliseconds>(ICMP_TIMEOUT).count()));

		// Documentation states that IcmpSendEcho2 returns ERROR_IO_PENDING
		// However, it actually returns zero, with the error set to ERROR_IO_PENDING
		if (ret == 0)
			ret = GetLastError();

		if (ret != ERROR_IO_PENDING)
		{
			Console.Error("DEV9: ICMP: Failed to send echo, %d", GetLastError());
			return false;
		}

		return true;
#elif defined(__POSIX__)
		switch (icmpConnectionKind)
		{
			case (PingType::ICMP):
			case (PingType::RAW):
			{
				icmpDeathClockStart = std::chrono::steady_clock::now();

				// Broadcast and multicast might need extra setsockopts calls
				// I don't think any game will do a broadcast/multicast ping

				if (parAdapterIP.integer != 0)
				{
					sockaddr_in endpoint{};
					endpoint.sin_family = AF_INET;
					endpoint.sin_addr = std::bit_cast<in_addr>(parAdapterIP);

					if (bind(icmpSocket, reinterpret_cast<const sockaddr*>(&endpoint), sizeof(endpoint)) == -1)
					{
						Console.Error("DEV9: ICMP: Failed to bind socket. Error: %d", errno);
						::close(icmpSocket);
						icmpSocket = -1;
						return false;
					}
				}

#if defined(ICMP_SOCKETS_LINUX)
				const int value = 1;
				if (setsockopt(icmpSocket, SOL_IP, IP_RECVERR, reinterpret_cast<const char*>(&value), sizeof(value)))
				{
					Console.Error("DEV9: ICMP: Failed to setsockopt IP_RECVERR. Error: %d", errno);
					::close(icmpSocket);