1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
|
# BSD LICENSE
#
# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
DPDK Test suite.
Test support of RX/TX Checksum Offload Features by Poll Mode Drivers.
"""
import string
import re
import rst
import utils
from test_case import TestCase
from pmd_output import PmdOutput
from packet import Packet, sniff_packets, load_sniff_packets, strip_pktload
from test_capabilities import DRIVER_TEST_LACK_CAPA
class TestChecksumOffload(TestCase):
def set_up_all(self):
"""
Run at the start of each test suite.
Checksum offload prerequisites.
"""
# Based on h/w type, choose how many ports to use
self.dut_ports = self.dut.get_ports(self.nic)
# Verify that enough ports are available
self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
self.pmdout = PmdOutput(self.dut)
self.portMask = utils.create_mask([self.dut_ports[0]])
self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
def set_up(self):
"""
Run before each test case.
"""
self.pmdout.start_testpmd("Default", "--portmask=%s " %
(self.portMask) + "--disable-hw-vlan --enable-rx-cksum " +
"--crc-strip --port-topology=loop", socket=self.ports_socket)
self.dut.send_expect("set verbose 1", "testpmd>")
self.dut.send_expect("set fwd csum", "testpmd>")
def checksum_enablehw(self, port):
self.dut.send_expect("csum set ip hw %d" % port, "testpmd>")
self.dut.send_expect("csum set udp hw %d" % port, "testpmd>")
self.dut.send_expect("csum set tcp hw %d" % port, "testpmd>")
self.dut.send_expect("csum set sctp hw %d" % port, "testpmd>")
def checksum_enablesw(self, port):
self.dut.send_expect("csum set ip sw %d" % port, "testpmd>")
self.dut.send_expect("csum set udp sw %d" % port, "testpmd>")
self.dut.send_expect("csum set tcp sw %d" % port, "testpmd>")
self.dut.send_expect("csum set sctp sw %d" % port, "testpmd>")
def get_chksum_values(self, packets_expected):
"""
Validate the checksum flags.
"""
checksum_pattern = re.compile("chksum.*=.*(0x[0-9a-z]+)")
chksum = dict()
self.tester.send_expect("scapy", ">>> ")
for packet_type in packets_expected.keys():
self.tester.send_expect("p = %s" % packets_expected[packet_type], ">>>")
out = self.tester.send_expect("p.show2()", ">>>")
chksums = checksum_pattern.findall(out)
chksum[packet_type] = chksums
self.tester.send_expect("exit()", "#")
return chksum
def checksum_valid_flags(self, packets_sent, flag):
"""
Sends packets and check the checksum valid-flags.
"""
self.tester.scapy_foreground()
self.dut.send_expect("start", "testpmd>")
mac = self.dut.get_mac_address(self.dut_ports[0])
tx_interface = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[0]))
self.tester.scapy_foreground()
for packet_type in packets_sent.keys():
self.tester.scapy_append('sendp([%s], iface="%s")' % (packets_sent[packet_type], tx_interface))
self.tester.scapy_execute()
out = self.dut.get_session_output(timeout=1)
lines = out.split("\r\n")
# collect the checksum result
for line in lines:
line = line.strip()
if len(line) != 0 and line.startswith("rx"):
# IPv6 don't be checksum, so always show "GOOD"
if packet_type.startswith("IPv6"):
if "PKT_RX_L4_CKSUM" not in line:
self.verify(0, "There is no checksum flags appeared!")
else:
if (flag == 1):
self.verify("PKT_RX_L4_CKSUM_GOOD" in line, "Packet Rx L4 checksum valid-flags error!")
elif (flag == 0):
self.verify("PKT_RX_L4_CKSUM_BAD" in line, "Packet Rx L4 checksum valid-flags error!")
else:
if "PKT_RX_L4_CKSUM" not in line:
self.verify(0, "There is no L4 checksum flags appeared!")
elif "PKT_RX_IP_CKSUM" not in line:
self.verify(0, "There is no IP checksum flags appeared!")
else:
if (flag == 1):
self.verify("PKT_RX_L4_CKSUM_GOOD" in line, "Packet Rx L4 checksum valid-flags error!")
self.verify("PKT_RX_IP_CKSUM_GOOD" in line, "Packet Rx IP checksum valid-flags error!")
elif (flag == 0):
self.verify("PKT_RX_L4_CKSUM_BAD" in line, "Packet Rx L4 checksum valid-flags error!")
self.verify("PKT_RX_IP_CKSUM_BAD" in line, "Packet Rx IP checksum valid-flags error!")
self.dut.send_expect("stop", "testpmd>")
def checksum_validate(self, packets_sent, packets_expected):
"""
Validate the checksum.
"""
tx_interface = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[0]))
rx_interface = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[0]))
sniff_src = self.dut.get_mac_address(self.dut_ports[0])
checksum_pattern = re.compile("chksum.*=.*(0x[0-9a-z]+)")
chksum = dict()
result = dict()
self.tester.send_expect("scapy", ">>> ")
for packet_type in packets_expected.keys():
self.tester.send_expect("p = %s" % packets_expected[packet_type], ">>>")
out = self.tester.send_expect("p.show2()", ">>>")
chksums = checksum_pattern.findall(out)
chksum[packet_type] = chksums
self.tester.send_expect("exit()", "#")
inst = sniff_packets(intf=rx_interface, count=len(packets_sent), filters=[{'layer':'ether', 'config':{'src': sniff_src}}])
for packet_type in packets_sent.keys():
self.tester.scapy_append('sendp([%s], iface="%s")' % (packets_sent[packet_type], tx_interface))
self.tester.scapy_execute()
p = load_sniff_packets(inst)
nr_packets=len(p)
reslist = [p[i].pktgen.pkt.sprintf("%IP.chksum%;%TCP.chksum%;%UDP.chksum%;%SCTP.chksum%") for i in range(nr_packets)]
out = string.join(reslist, ",")
packets_received = out.split(',')
self.verify(len(packets_sent) == len(packets_received), "Unexpected Packets Drop")
for packet_received in packets_received:
ip_checksum, tcp_checksum, udp_checksum, sctp_checksum = packet_received.split(';')
packet_type = ''
l4_checksum = ''
if tcp_checksum != '??':
packet_type = 'TCP'
l4_checksum = tcp_checksum
elif udp_checksum != '??':
packet_type = 'UDP'
l4_checksum = udp_checksum
elif sctp_checksum != '??':
packet_type = 'SCTP'
l4_checksum = sctp_checksum
if ip_checksum != '??':
packet_type = 'IP/' + packet_type
if chksum[packet_type] != [ip_checksum, l4_checksum]:
result[packet_type] = packet_type + " checksum error"
else:
packet_type = 'IPv6/' + packet_type
if chksum[packet_type] != [l4_checksum]:
result[packet_type] = packet_type + " checksum error"
return result
def test_checksum_offload_with_vlan(self):
"""
Do not insert IPv4/IPv6 UDP/TCP checksum on the transmit packet.
Verify that the same number of packet are correctly received on the
traffic generator side.
"""
mac = self.dut.get_mac_address(self.dut_ports[0])
pktsChkErr = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/Dot1Q(vlan=1)/IP(chksum=0x0)/UDP(chksum=0xf)/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/Dot1Q(vlan=1)/IP(chksum=0x0)/TCP(chksum=0xf)/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/Dot1Q(vlan=1)/IP(chksum=0x0)/SCTP(chksum=0xf)/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/Dot1Q(vlan=1)/IPv6(src="::1")/UDP(chksum=0xf)/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/Dot1Q(vlan=1)/IPv6(src="::1")/TCP(chksum=0xf)/("X"*46)' % mac}
pkts = {'IP/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/Dot1Q(vlan=1)/IP(src="127.0.0.1")/UDP()/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/Dot1Q(vlan=1)/IP(src="127.0.0.1")/TCP()/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="02:00:00:00:00:00", src="%s")/Dot1Q(vlan=1)/IP(src="127.0.0.1")/SCTP()/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/Dot1Q(vlan=1)/IPv6(src="::1")/UDP()/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/Dot1Q(vlan=1)/IPv6(src="::1")/TCP()/("X"*46)' % mac}
if self.kdriver in DRIVER_TEST_LACK_CAPA['sctp_tx_offload']:
del pktsChkErr['IP/SCTP']
del pkts['IP/SCTP']
self.checksum_enablehw(self.dut_ports[0])
self.dut.send_expect("start", "testpmd>")
result = self.checksum_validate(pktsChkErr, pkts)
self.dut.send_expect("stop", "testpmd>")
self.verify(len(result) == 0, string.join(result.values(), ","))
def test_rx_checksum_valid_flags(self):
"""
Insert right and wrong IPv4/IPv6 UDP/TCP/SCTP checksum on the
transmit packet.Enable Checksum offload.
Verify the checksum valid-flags.
"""
mac = self.dut.get_mac_address(self.dut_ports[0])
pkts_ref = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP()/UDP()/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1")/TCP()/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1")/SCTP()/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/UDP()/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/TCP()/("X"*46)' % mac}
result = dict()
self.checksum_enablehw(self.dut_ports[0])
# get the packet checksum value
result = self.get_chksum_values(pkts_ref)
# set the expected checksum values same with the actual values
pkts_good = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(chksum=int(%s))/UDP(chksum=int(%s))/("X"*46)' % (mac, result['IP/UDP'][0], result['IP/UDP'][1]),
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1",chksum=int(%s))/TCP(chksum=int(%s))/("X"*46)' % (mac, result['IP/TCP'][0], result['IP/TCP'][1]),
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1",chksum=int(%s))/SCTP(chksum=int(%s))/("X"*48)' % (mac, result['IP/SCTP'][0], result['IP/SCTP'][1]),
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/UDP(chksum=int(%s))/("X"*46)' % (mac, result['IPv6/UDP'][0]),
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/TCP(chksum=int(%s))/("X"*46)' % (mac, result['IPv6/TCP'][0])}
# set the expected checksum values different from the actual values
pkts_bad = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(chksum=0x0)/UDP(chksum=0xf)/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1",chksum=0x0)/TCP(chksum=0xf)/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="10.0.0.1",chksum=0x0)/SCTP(chksum=0xf)/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/UDP(chksum=0xf)/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/TCP(chksum=0xf)/("X"*46)' % mac}
if self.kdriver in DRIVER_TEST_LACK_CAPA['sctp_tx_offload']:
del pkts_good['IP/SCTP']
del pkts_bad['IP/SCTP']
del pkts_ref['IP/SCTP']
# send the packet checksum value same with the expected value
self.checksum_valid_flags(pkts_good, 1)
# send the packet checksum value different from the expected value
self.checksum_valid_flags(pkts_bad, 0)
def test_checksum_offload_enable(self):
"""
Insert IPv4/IPv6 UDP/TCP/SCTP checksum on the transmit packet.
Enable Checksum offload.
Verify that the same number of packet are correctly received on the
traffic generator side.
"""
mac = self.dut.get_mac_address(self.dut_ports[0])
pkts = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(chksum=0x0)/UDP(chksum=0xf)/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(chksum=0x0)/TCP(chksum=0xf)/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(chksum=0x0)/SCTP(chksum=0xf)/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/UDP(chksum=0xf)/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="::1")/TCP(chksum=0xf)/("X"*46)' % mac}
pkts_ref = {'IP/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IP(src="127.0.0.1")/UDP()/("X"*46)' % mac,
'IP/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IP(src="127.0.0.1")/TCP()/("X"*46)' % mac,
'IP/SCTP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IP(src="127.0.0.1")/SCTP()/("X"*48)' % mac,
'IPv6/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IPv6(src="::1")/UDP()/("X"*46)' % mac,
'IPv6/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IPv6(src="::1")/TCP()/("X"*46)' % mac}
if self.kdriver in DRIVER_TEST_LACK_CAPA['sctp_tx_offload']:
del pkts['IP/SCTP']
del pkts_ref['IP/SCTP']
self.checksum_enablehw(self.dut_ports[0])
self.dut.send_expect("start", "testpmd>")
result = self.checksum_validate(pkts, pkts_ref)
self.dut.send_expect("stop", "testpmd>")
self.verify(len(result) == 0, string.join(result.values(), ","))
def test_checksum_offload_disable(self):
"""
Do not insert IPv4/IPv6 UDP/TCP checksum on the transmit packet.
Disable Checksum offload.
Verify that the same number of packet are correctly received on
the traffic generator side.
"""
mac = self.dut.get_mac_address(self.dut_ports[0])
sndIP = '10.0.0.1'
sndIPv6 = '::1'
sndPkts = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="%s",chksum=0x0)/UDP(chksum=0xf)/("X"*46)' % (mac, sndIP),
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP(src="%s",chksum=0x0)/TCP(chksum=0xf)/("X"*46)' % (mac, sndIP),
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="%s")/UDP(chksum=0xf)/("X"*46)' % (mac, sndIPv6),
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="%s")/TCP(chksum=0xf)/("X"*46)' % (mac, sndIPv6)}
expIP = sndIP
expIPv6 = sndIPv6
expPkts = {'IP/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IP(src="%s")/UDP()/("X"*46)' % (mac, expIP),
'IP/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IP(src="%s")/TCP()/("X"*46)' % (mac, expIP),
'IPv6/UDP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IPv6(src="%s")/UDP()/("X"*46)' % (mac, expIPv6),
'IPv6/TCP': 'Ether(dst="02:00:00:00:00:00", src="%s")/IPv6(src="%s")/TCP()/("X"*46)' % (mac, expIPv6)}
self.dut.send_expect("start", "testpmd>")
result = self.checksum_validate(sndPkts, expPkts)
self.verify(len(result) == 0, string.join(result.values(), ","))
self.dut.send_expect("stop", "testpmd>")
def benchmark(self, lcore, ptype, mode, flow_format, size_list, nic):
"""
Test ans report checksum offload performance for given parameters.
"""
Bps = dict()
Pps = dict()
Pct = dict()
dmac = self.dut.get_mac_address(self.dut_ports[0])
result = [2, lcore, ptype, mode]
for size in size_list:
flow = flow_format % (dmac, size)
self.tester.scapy_append('wrpcap("test.pcap", [%s])' % flow)
self.tester.scapy_execute()
tgenInput = []
tgenInput.append(
(self.tester.get_local_port(self.dut_ports[0]), self.tester.get_local_port(self.dut_ports[1]), "test.pcap"))
tgenInput.append(
(self.tester.get_local_port(self.dut_ports[1]), self.tester.get_local_port(self.dut_ports[0]), "test.pcap"))
Bps[str(size)], Pps[
str(size)] = self.tester.traffic_generator_throughput(tgenInput)
self.verify(Pps[str(size)] > 0, "No traffic detected")
Pps[str(size)] /= 1E6
Pct[str(size)] = (Pps[str(size)] * 100) / \
self.wirespeed(self.nic, size, 2)
result.append(Pps[str(size)])
result.append(Pct[str(size)])
self.result_table_add(result)
def test_perf_checksum_throughtput(self):
"""
Test checksum offload performance.
"""
# Verify that enough ports are available
self.verify(len(self.dut_ports) >= 2, "Insufficient ports for testing")
# sizes = [64, 128, 256, 512, 1024]
sizes = [64, 128]
pkts = {'IP/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP()/UDP()/("X"*(%d-46))',
'IP/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP()/TCP()/("X"*(%d-58))',
'IP/SCTP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IP()/SCTP()/("X"*(%d-50+2))',
'IPv6/UDP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6()/UDP()/("X"* (lambda x: x - 66 if x > 66 else 0)(%d))',
'IPv6/TCP': 'Ether(dst="%s", src="52:00:00:00:00:00")/IPv6()/TCP()/("X"* (lambda x: x - 78 if x > 78 else 0)(%d))'}
if self.kdriver in DRIVER_TEST_LACK_CAPA['sctp_tx_offload']:
del pkts['IP/SCTP']
lcore = "1S/2C/1T"
portMask = utils.create_mask([self.dut_ports[0], self.dut_ports[1]])
for mode in ["sw", "hw"]:
self.logger.info("%s performance" % mode)
rst.write_text(mode + " Performance" + '\r\n')
tblheader = ["Ports", "S/C/T", "Packet Type", "Mode"]
for size in sizes:
tblheader.append("%sB mpps" % str(size))
tblheader.append("%sB %% " % str(size))
self.result_table_create(tblheader)
self.pmdout.start_testpmd(
lcore, "--portmask=%s" % self.portMask, socket=self.ports_socket)
self.dut.send_expect("set verbose 1", "testpmd> ")
self.dut.send_expect("set fwd csum", "testpmd> ")
if mode == "hw":
self.checksum_enablehw(self.dut_ports[0])
self.checksum_enablehw(self.dut_ports[1])
else:
self.checksum_enablesw(self.dut_ports[0])
self.checksum_enablesw(self.dut_ports[1])
self.dut.send_expect("start", "testpmd> ", 3)
for ptype in pkts.keys():
self.benchmark(
lcore, ptype, mode, pkts[ptype], sizes, self.nic)
self.dut.send_expect("stop", "testpmd> ")
self.dut.send_expect("quit", "#", 10)
self.result_table_print()
def tear_down(self):
"""
Run after each test case.
"""
self.dut.send_expect("quit", "#")
def tear_down_all(self):
"""
Run after each test suite.
"""
pass
|
