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-rw-r--r--src/plugins/nat/extras/nat_test_fast_path.py64
1 files changed, 36 insertions, 28 deletions
diff --git a/src/plugins/nat/extras/nat_test_fast_path.py b/src/plugins/nat/extras/nat_test_fast_path.py
index e869d40872a..fb880fb9e96 100644
--- a/src/plugins/nat/extras/nat_test_fast_path.py
+++ b/src/plugins/nat/extras/nat_test_fast_path.py
@@ -2,7 +2,6 @@ from trex_stl_lib.api import *
class STLS1:
-
def create_stream(self):
# base_pkt = Ether()/IP(dst="2.2.0.1")/UDP(dport=12)
@@ -24,37 +23,46 @@ class STLS1:
# return STLStream(packet=pkt, mode=STLTXCont())
- vm = STLScVmRaw([STLVmTupleGen(ip_min="10.0.0.1", ip_max="10.255.255.254",
- port_min=1025, port_max=65535,
- # name="stuple", limit_flows=10000),
- name="stuple", limit_flows=100),
- STLVmTupleGen(ip_min="2.0.0.1", ip_max="2.255.255.254",
- port_min=1025, port_max=65535,
- # name="dtuple", limit_flows=100000000),
- name="dtuple", limit_flows=100),
-
- # write ip to packet IP.src
- STLVmWrFlowVar(fv_name="stuple.ip",
- pkt_offset="IP.src"),
- STLVmWrFlowVar(fv_name="dtuple.ip",
- pkt_offset="IP.dst"),
- # fix checksum
- STLVmFixIpv4(offset="IP"),
- # write udp.port
- STLVmWrFlowVar(fv_name="stuple.port",
- pkt_offset="UDP.sport"),
- STLVmWrFlowVar(fv_name="dtuple.port",
- pkt_offset="UDP.dport"),
- ]
- )
-
- base_pkt = Ether()/IP(src="16.0.0.1", dst="2.0.0.1")/UDP(dport=12, sport=1025)
+ vm = STLScVmRaw(
+ [
+ STLVmTupleGen(
+ ip_min="10.0.0.1",
+ ip_max="10.255.255.254",
+ port_min=1025,
+ port_max=65535,
+ # name="stuple", limit_flows=10000),
+ name="stuple",
+ limit_flows=100,
+ ),
+ STLVmTupleGen(
+ ip_min="2.0.0.1",
+ ip_max="2.255.255.254",
+ port_min=1025,
+ port_max=65535,
+ # name="dtuple", limit_flows=100000000),
+ name="dtuple",
+ limit_flows=100,
+ ),
+ # write ip to packet IP.src
+ STLVmWrFlowVar(fv_name="stuple.ip", pkt_offset="IP.src"),
+ STLVmWrFlowVar(fv_name="dtuple.ip", pkt_offset="IP.dst"),
+ # fix checksum
+ STLVmFixIpv4(offset="IP"),
+ # write udp.port
+ STLVmWrFlowVar(fv_name="stuple.port", pkt_offset="UDP.sport"),
+ STLVmWrFlowVar(fv_name="dtuple.port", pkt_offset="UDP.dport"),
+ ]
+ )
+
+ base_pkt = (
+ Ether() / IP(src="16.0.0.1", dst="2.0.0.1") / UDP(dport=12, sport=1025)
+ )
pad = Padding()
if len(base_pkt) < 64:
pad_len = 64 - len(base_pkt)
- pad.load = '\x00' * pad_len
+ pad.load = "\x00" * pad_len
- pkt = STLPktBuilder(pkt=base_pkt/pad, vm=vm)
+ pkt = STLPktBuilder(pkt=base_pkt / pad, vm=vm)
return STLStream(packet=pkt, mode=STLTXCont())