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from trex_stl_lib.api import *
# send G ARP from many clients
# clients are "00:00:dd:dd:00:01+x", psrc="55.55.1.1+x" DG= self.dg
class STLS1(object):
def __init__ (self):
self.num_clients =3000; # max is 16bit
def create_stream (self):
# create a base packet and pad it to size
base_pkt = Ether(src="00:00:dd:dd:00:01",dst="ff:ff:ff:ff:ff:ff")/ARP(psrc="55.55.1.1",hwsrc="00:00:dd:dd:00:01", hwdst="00:00:dd:dd:00:01", pdst="55.55.1.1")
vm = CTRexScRaw( [ STLVmFlowVar(name="mac_src", min_value=1, max_value=self.num_clients, size=2, op="inc"),
STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 10),
STLVmWrFlowVar(fv_name="mac_src" ,pkt_offset="ARP.psrc",offset_fixup=2),
STLVmWrFlowVar(fv_name="mac_src" ,pkt_offset="ARP.hwsrc",offset_fixup=4),
STLVmWrFlowVar(fv_name="mac_src" ,pkt_offset="ARP.pdst",offset_fixup=2),
STLVmWrFlowVar(fv_name="mac_src" ,pkt_offset="ARP.hwdst",offset_fixup=4),
]
,split_by_field = "mac_src" # split
)
return STLStream(packet = STLPktBuilder(pkt = base_pkt,vm = vm),
mode = STLTXSingleBurst( pps=10, total_pkts = self.num_clients )) # single burst of G-ARP
def get_streams (self, direction = 0):
# create 1 stream
return [ self.create_stream() ]
# dynamic load - used for trex console or simulator
def register():
return STLS1()
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