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from trex_stl_lib.api import *
class STLS1(object):
def create_stream (self):
# Teredo Ipv6 over Ipv4
pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=3797,sport=3544)/IPv6(dst="2001:0:4137:9350:8000:f12a:b9c8:2815",src="2001:4860:0:2001::68")/UDP(dport=12,sport=1025)/ICMPv6Unknown()
vm = CTRexScRaw( [
# tuple gen for inner Ipv6
STLVmTupleGen ( ip_min="16.0.0.1", ip_max="16.0.0.2",
port_min=1025, port_max=65535,
name="tuple"), # define tuple gen
STLVmWrFlowVar (fv_name="tuple.ip", pkt_offset= "IPv6.src",offset_fixup=12 ), # write ip to packet IPv6.src to LSB
STLVmWrFlowVar (fv_name="tuple.port", pkt_offset= "UDP:1.sport" ) #write udp.port (after ipv6)
]
)
# burst of 100 packets
return STLStream(packet = STLPktBuilder(pkt = pkt ,vm = vm),
mode = STLTXSingleBurst( pps = 1, total_pkts = 17) )
def get_streams (self, direction = 0):
# create 1 stream
return [ self.create_stream() ]
def register():
return STLS1()
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