From 0c2b005a017a8574a3580e45118069079e9ea7ff Mon Sep 17 00:00:00 2001 From: Hanoh Haim Date: Wed, 10 Feb 2016 14:25:26 +0200 Subject: x client example mac/ip change --- scripts/stl/udp_1pkt_range_clients.py | 45 +++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 scripts/stl/udp_1pkt_range_clients.py (limited to 'scripts/stl/udp_1pkt_range_clients.py') diff --git a/scripts/stl/udp_1pkt_range_clients.py b/scripts/stl/udp_1pkt_range_clients.py new file mode 100644 index 00000000..2078b748 --- /dev/null +++ b/scripts/stl/udp_1pkt_range_clients.py @@ -0,0 +1,45 @@ +from trex_stl_lib.api import * + + +# x clients override the LSB of destination +#Base src ip : 55.55.1.1, dst ip: Fixed +#Increment host port portion starting at 55.55.1.1 for 'n' number of clients (55.55.1.1, 55.55.1.2) +#Src MAC: start with 0000.dddd.0001, increment mac in steps of 1 +#Dst MAC: Fixed (will be taken from trex_conf.yaml + + +class STLS1(object): + + def __init__ (self): + self.num_clients =30000; # max is 16bit + self.fsize =64 + + def create_stream (self): + + # create a base packet and pad it to size + size = self.fsize - 4; # no FCS + base_pkt = Ether()/IP(src="55.55.1.1",dst="58.0.0.1")/UDP(dport=12,sport=1025) + pad = max(0, size - len(base_pkt)) * 'x' + + vm = CTRexScRaw( [ STLVmFlowVar(name="mac_src", min_value=1, max_value=self.num_clients, size=2, op="inc"), # 1 byte varible, range 1-10 + STLVmFlowVar(name="mac_src_wa", min_value=0x0000dddd, max_value=0x0000dddd, size=4, op="inc"), # workaround hardcoded the src MAC MSB, will be solved as an option in the stream + + STLVmWrFlowVar(fv_name="mac_src_wa", pkt_offset= 6), # write constrant 0000.ddddd + STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 10) # write it to LSB of ethernet.src + ] + ) + + return STLStream(packet = STLPktBuilder(pkt = base_pkt/pad,vm = vm), + mode = STLTXCont( pps=10 )) + + 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() + + + -- cgit 1.2.3-korg