48 def _SetPacketTos(packet, tos):  argument
49   if isinstance(packet, scapy.IPv6):
50     packet.tc = tos
51   elif isinstance(packet, scapy.IP):
52     packet.tos = tos
67     packet = (scapy.IP(src=srcaddr, dst=dstaddr, ttl=39, tos=0x83) /
71     packet = (scapy.IPv6(src=srcaddr, dst=dstaddr,
75   return ("UDPv%d packet with options" % version, packet)
87 def RST(version, srcaddr, dstaddr, packet):  argument
89   original = packet.getlayer("TCP")
97 def SYNACK(version, srcaddr, dstaddr, packet):  argument
99   original = packet.getlayer("TCP")
106 def ACK(version, srcaddr, dstaddr, packet, payload=""):  argument
108   original = packet.getlayer("TCP")
120 def FIN(version, srcaddr, dstaddr, packet):  argument
122   original = packet.getlayer("TCP")
131 def GRE(version, srcaddr, dstaddr, proto, packet):  argument
136   packet = ip / scapy.GRE(proto=proto) / packet
137   return ("GRE packet", packet)
139 def ICMPPortUnreachable(version, srcaddr, dstaddr, packet):  argument
145             scapy.ICMPerror(type=3, code=3) / packet)
149             scapy.ICMPv6DestUnreach(code=4) / packet)
151 def ICMPPacketTooBig(version, srcaddr, dstaddr, packet):  argument
155             scapy.ICMPerror(type=3, code=4, unused=1280) / str(packet)[:64])
157     udp = packet.getlayer("UDP")
161             scapy.ICMPv6PacketTooBig() / str(packet)[:1232])
166   packet = (ip(src=srcaddr, dst=dstaddr) /
168   _SetPacketTos(packet, PING_TOS)
169   return ("ICMPv%d echo" % version, packet)
171 def ICMPReply(version, srcaddr, dstaddr, packet):  argument
176   packet = (ip(src=srcaddr, dst=dstaddr) /
180     _SetPacketTos(packet, PING_TOS)
181   return ("ICMPv%d echo reply" % version, packet)
187   packet = (scapy.IPv6(src=srcaddr, dst=solicited) /
190   return ("ICMPv6 NS", packet)
193   packet = (scapy.IPv6(src=srcaddr, dst=dstaddr) /
196   return ("ICMPv6 NA", packet)