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from trex_stl_lib.api import *
# Adding header that does not exists yet in Scapy
# This was taken from pull request of Scapy
#
# RFC 7348 - Virtual eXtensible Local Area Network (VXLAN):
# A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
# http://tools.ietf.org/html/rfc7348
_VXLAN_FLAGS = ['R' for i in range(0, 24)] + ['R', 'R', 'R', 'I', 'R', 'R', 'R', 'R', 'R']
class VXLAN(Packet):
name = "VXLAN"
fields_desc = [FlagsField("flags", 0x08000000, 32, _VXLAN_FLAGS),
ThreeBytesField("vni", 0),
XByteField("reserved", 0x00)]
def mysummary(self):
return self.sprintf("VXLAN (vni=%VXLAN.vni%)")
bind_layers(UDP, VXLAN, dport=4789)
bind_layers(VXLAN, Ether)
class STLS1(object):
def __init__ (self):
pass;
def create_stream (self):
pkt = Ether()/IP()/UDP(sport=1337,dport=4789)/VXLAN(vni=42)/Ether()/IP()/('x'*20)
#pkt.show2()
#hexdump(pkt)
# burst of 17 packets
return STLStream(packet = STLPktBuilder(pkt = pkt ,vm = []),
mode = STLTXSingleBurst( pps = 1, total_pkts = 17) )
def get_streams (self, direction = 0, **kwargs):
# create 1 stream
return [ self.create_stream() ]
def register():
return STLS1()
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