old_contents: # Copyright (c) 2007-2016, Neville-Neil Consulting
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  # Redistributions of source code must retain the above copyright notice,
  # this list of conditions and the following disclaimer.
  #
  # Redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution.
  #
  # Neither the name of Neville-Neil Consulting nor the names of its 
  # contributors may be used to endorse or promote products derived from 
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  # File: $Id: $
  #
  # Author: George V. Neville-Neil
  #
  # Description: This is a module which maps Ethernet protocol types to
  # class names for use by the Ethernet class.
  
  # The map is a dictionary who's key is the protocol type and who's
  # value is the class constructor for that type.
  
  import ipv4, ipv6, arp
  
  ETHERTYPE_IP		= 0x0800	# IP protocol 
  ETHERTYPE_ARP		= 0x0806	# Addr. resolution protocol
  ETHERTYPE_VLAN		= 0x8100	# 802.1q header
  ETHERTYPE_IPV6		= 0x86dd	# IPv6
  ETHERTYPE_MPLS		= 0x8847	# unicast
  ETHERTYPE_MPLS_M	= 0x8848	# multicast
  ETHERTYPE_SLOW		= 0x8809	# 802.3ad link aggregation (LACP)
  
  map = {ETHERTYPE_IP: ipv4.ipv4,
         ETHERTYPE_ARP: arp.arp,
         ETHERTYPE_IPV6: ipv6.ipv6}
  
  
new_contents: # Copyright (c) 2007-2016, Neville-Neil Consulting
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  # Redistributions of source code must retain the above copyright notice,
  # this list of conditions and the following disclaimer.
  #
  # Redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution.
  #
  # Neither the name of Neville-Neil Consulting nor the names of its 
  # contributors may be used to endorse or promote products derived from 
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  # File: $Id: $
  #
  # Author: George V. Neville-Neil
  #
  # Description: This is a module which maps Ethernet protocol types to
  # class names for use by the Ethernet class.
  
  # The map is a dictionary who's key is the protocol type and who's
  # value is the class constructor for that type.
  
  import ipv4, ipv6, arp
  
  ETHERTYPE_IP		= 0x0800	# IP protocol 
  ETHERTYPE_ARP		= 0x0806	# Addr. resolution protocol
  ETHERTYPE_VLAN		= 0x8100	# 802.1q header
  ETHERTYPE_IPV6		= 0x86dd	# IPv6
  ETHERTYPE_MPLS		= 0x8847	# unicast
  ETHERTYPE_MPLS_M	= 0x8848	# multicast
  ETHERTYPE_SLOW		= 0x8809	# 802.3ad link aggregation (LACP)
  ETHERTYPE_TEST		= 0x8822	# Ethertype for test protocols ONLY
  
  map = {ETHERTYPE_IP: ipv4.ipv4,
         ETHERTYPE_ARP: arp.arp,
         ETHERTYPE_IPV6: ipv6.ipv6}
  
  
subject: Add an ethertype for test protocols