public static void Set(ref IPHeader header, IPData ipData, ushort count)
{
header = new IPHeader();
ushort allLength = GetAllLength(count);
header._IPHeader0_32._Version_HeaderLength = 0b0100_0101;
header._IPHeader0_32._AllLegnth = Meth.AsBigEndian(allLength);
header._IPHeader64_96._Protocol = (byte)ipData.Protocol;
header._IPHeader64_96._TTL = 128;
header._SourceAddress = ipData.SourceAddress;
header._DesAddress = ipData.DesAddress;
header._IPHeader32_64._16Flag = Meth.GetCount();
header._IPHeader32_64._Frag = 0x40;
header.CalculationHeaderChecksum();
}
public static void Set(
ref IPHeader header,
IPv4Address sourceAddress,
IPv4Address desAddress,
Protocol protocol)
{
header._SourceAddress = sourceAddress;
header._DesAddress = desAddress;
header._IPHeader64_96._Protocol = (byte)protocol;
header.CalculationHeaderChecksum();
}
public static ushort CalculationHeaderChecksum(ref IPHeader header)
{
uint sum = AddStructSum(ref header);
return(AsSum(sum));
}