Method addfield

scapy/fields.py:1093–1095

(self, pkt, s, val)

        Field.__init__(self, name, default, "<I")

    def addfield(self, pkt, s, val):
        # type: (Packet, bytes, Optional[int]) -> bytes
        return s + struct.pack(self.fmt, self.i2m(pkt, val))[:3]

    def getfield(self, pkt, s):
        # type: (Optional[Packet], bytes) -> Tuple[bytes, int]