text: # $Id$
  
  """Dynamic Trunking Protocol."""
  
  import struct
  import dpkt
  
  class DTP(dpkt.Packet):
      __hdr__ = (
          ('v', 'B', 0),
          ) # rest is TLVs
      def unpack(self, buf):
          dpkt.Packet.unpack(self, buf)
          buf = self.data
          tvs = []
          while buf:
              t, l = struct.unpack('>HH', buf[:4])
              v, buf = buf[4:4+l], buf[4+l:]
              tvs.append((t, v))
          self.data = tvs
  
  TRUNK_NAME = 0x01
  MAC_ADDR = 0x04
  