Method VerifyChecksum

pcsx2/DEV9/PacketReader/IP/IP_Packet.cpp:251–285

		delete[] headerSegment;
	}
	bool IP_Packet::VerifyChecksum()
	{
		ReComputeHeaderLen();
		u8* headerSegment = new u8[headerLength];
		int counter = 0;
		NetLib::WriteByte08(headerSegment, &counter, (_verHi + (headerLength >> 2)));
		NetLib::WriteByte08(headerSegment, &counter, dscp); //DSCP/ECN
		NetLib::WriteUInt16(headerSegment, &counter, GetLength());

		NetLib::WriteUInt16(headerSegment, &counter, id);
		NetLib::WriteByte08(headerSegment, &counter, fragmentFlags1);
		NetLib::WriteByte08(headerSegment, &counter, fragmentFlags2);

		NetLib::WriteByte08(headerSegment, &counter, timeToLive);
		NetLib::WriteByte08(headerSegment, &counter, protocol);
		NetLib::WriteUInt16(headerSegment, &counter, checksum); //header csum

		NetLib::WriteIPAddress(headerSegment, &counter, sourceIP);
		NetLib::WriteIPAddress(headerSegment, &counter, destinationIP);

		//options
		for (size_t i = 0; i < options.size(); i++)
			options[i]->WriteBytes(headerSegment, &counter);

		//Zero alignment bytes
		if (counter != headerLength)
			memset(&headerSegment[counter], 0, headerLength - counter);

		counter = headerLength;

		u16 csumCal = InternetChecksum(headerSegment, headerLength);
		delete[] headerSegment;

		return (csumCal == 0);
	}

	IP_Packet::~IP_Packet()
	{