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()