Method dispatch_hook

scapy/layers/l2.py:657–661

(cls, _pkt=None, *args, **kargs)

    @classmethod
    def dispatch_hook(cls, _pkt=None, *args, **kargs):
        # type: (Optional[Any], *Any, **Any) -> Type[Packet]
        if _pkt and struct.unpack("!H", _pkt[2:4])[0] == 0x880b:
            return GRE_PPTP
        return cls

    def post_build(self, p, pay):
        # type: (bytes, bytes) -> bytes