def __init__(self): Packetizer.__init__(self, eth_ipv4_description(8), eth_mac_description(8), ipv4_header)
def __init__(self): Packetizer.__init__(self, eth_arp_description(8), eth_mac_description(8), arp_header)
def __init__(self): Packetizer.__init__(self, eth_icmp_description(8), eth_ipv4_user_description(8), icmp_header)
def __init__(self): Packetizer.__init__(self, eth_udp_description(8), eth_ipv4_user_description(8), udp_header)
def __init__(self): Packetizer.__init__(self, eth_mac_description(8), eth_phy_description(8), mac_header)