class TrexTest(BaseTest):
"""
Base test for setting up and tearing down TRex client instance for
linerate tests.
"""
def setUp(self):
super(TrexTest, self).setUp()
trex_server_addr = testutils.test_param_get("trex_server_addr")
self.trex_client = STLClient(server=trex_server_addr)
self.trex_client.connect()
self.trex_client.acquire()
self.trex_client.reset() # Resets configs from all ports
self.trex_client.clear_stats() # Clear status from all ports
# Put all ports to promiscuous mode, otherwise they will drop all
# incoming packets if the destination mac is not the port mac address.
self.trex_client.set_port_attr(self.trex_client.get_all_ports(),
promiscuous=True)
def tearDown(self):
print("Tearing down STLClient...")
self.trex_client.stop()
self.trex_client.release()
self.trex_client.disconnect()
super(TrexTest, self).tearDown()
try:
udp_payload = "A" * 50
pkt = STLPktBuilder(
pkt=Ether() / IP(src="192.168.17.1", dst="192.168.17.2") /
UDP(dport=8888, sport=9999, chksum=0) / udp_payload)
st = STLStream(
name="udp_single_burst",
packet=pkt,
# Packet group id
flow_stats=STLFlowLatencyStats(pg_id=PG_ID),
mode=STLTXSingleBurst(total_pkts=TOTAL_PKTS, pps=PPS),
)
clt.connect()
all_ports = clt.get_all_ports()
print("All ports: {}".format(",".join(map(str, all_ports))))
tx_port, rx_port = all_ports
print(f"TX port: {tx_port}, RX port: {rx_port}")
tx_port_attr = clt.get_port_attr(tx_port)
rx_port_attr = clt.get_port_attr(rx_port)
assert tx_port_attr["src_ipv4"] == "192.168.17.1"
assert rx_port_attr["src_ipv4"] == "192.168.18.1"
clt.reset(ports=all_ports)
clt.add_streams([st], ports=[tx_port])
print(f"Inject {TOTAL_PKTS} packets on port {all_ports[0]}")
ret = rx_interation(clt, tx_port, rx_port, TOTAL_PKTS,
pkt.get_pkt_len())
if not ret:
passed = False
