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
|
# <COPYRIGHT_TAG>
"""
DPDK Test suite.
Tests for vmdq.
"""
import dts
import re
from etgen import IxiaPacketGenerator
from test_case import TestCase
from time import sleep
class TestVmdq(TestCase, IxiaPacketGenerator):
dut_ports = []
ip_dot1q_header_size = 22
default_framesize = 64
default_payload = default_framesize - ip_dot1q_header_size
current_frame_size = 0
destmac_port0 = "52:54:00:12:00:00"
destmac_port1 = "52:54:00:12:01:00"
da_repeat = 1
vlan_repeat = 1
queues = 8
def set_up_all(self):
"""
Run at the start of each test suite.
"""
self.tester.extend_external_packet_generator(TestVmdq, self)
self.dut.send_expect("sed -i 's/CONFIG_RTE_MAX_QUEUES_PER_PORT=256/CONFIG_RTE_MAX_QUEUES_PER_PORT=1024/' ./config/common_base", "# ", 5)
self.dut.build_install_dpdk(self.target)
# Update the max queue per port for Fortville.
self.dut.send_expect("sed -i 's/define MAX_QUEUES 128/define MAX_QUEUES 1024/' ./examples/vmdq/main.c", "#", 5)
self.dut_ports = self.dut.get_ports(self.nic)
print self.dut_ports
self.verify(len(self.dut_ports) >= 2, "Insufficient ports")
self.core_configs = []
self.core_configs.append({'cores': '1S/1C/1T', 'mpps': {}})
self.core_configs.append({'cores': '1S/2C/1T', 'mpps': {}})
self.core_configs.append({'cores': '1S/2C/2T', 'mpps': {}})
self.core_configs.append({'cores': '1S/4C/1T', 'mpps': {}})
self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
out = self.dut.send_expect("make -C examples/vmdq", "#", 10)
self.verify("Error" not in out, "Compilation error")
def validateApproxEqual(self, lines):
"""
Check that all the rx queue stats are within a 30% range.
"""
minimum = 1000000
maximun = 0
# Need to use Python re package because dts.regexp only handles 1 group,
# we need 4.
scanner = re.compile(
"^Pool [0-9]+: ([0-9]+) ([0-9]+) ([0-9]+) ([0-9]+)$")
for l in lines:
m = scanner.search(l)
if m is None:
# Line at the end, "Finished handling signal", ignore
pass
else:
for stat in m.groups():
if stat < minimum:
minimum = stat
if stat > maximun:
maximun = stat
self.verify(maximun - minimum <= minimum *
0.3, "Too wide variation in queue stats")
def Npools_128queues(self, npools):
"""
MAX queues is 128
queues/pools = 128/npools
"""
self.current_frame_size = self.default_framesize
self.dut_ports = self.dut.get_ports(self.nic)
core_list = self.dut.get_core_list("1S/4C/1T", socket=self.ports_socket)
core_mask = dts.create_mask(core_list)
port_mask = dts.create_mask([self.dut_ports[0], self.dut_ports[1]])
# Run the application
out = self.dut.send_expect("./examples/vmdq/build/vmdq_app -n 4 -c %s -- -p %s --nb-pools %s&" %
(core_mask, port_mask, str(npools)), "reading queues", 120)
# Transmit traffic
tx_port = self.tester.get_local_port(self.dut_ports[0])
rx_port = self.tester.get_local_port(self.dut_ports[1])
tx_mac = self.tester.get_mac(tx_port)
self.vlan_repeat = npools
self.da_repeat = npools
tgen_input = []
for p in range(8):
self.tester.scapy_append('dmac="%s"' % self.destmac_port0)
self.tester.scapy_append('smac="%s"' % tx_mac)
self.tester.scapy_append(
'flows = [Ether(src=smac, dst=dmac)/Dot1Q(vlan=0,prio=%d)]'%p)
self.tester.scapy_append('wrpcap("test%d.pcap", flows)' %p)
self.tester.scapy_execute()
tgen_input.append((tx_port, rx_port, "test%d.pcap" %p))
loss, _, _ = self.tester.traffic_generator_loss(tgen_input, 10)
print "loss is %s !" % loss
# Verify the accurate
self.verify(loss < 0.001, "Excessive packet loss")
self.validateApproxEqual(out.split("\r\n"))
def set_up(self):
"""
Run before each test case.
"""
self.dut.kill_all()
def test_perf_vmdq_64pools_queues(self):
"""
This function call " Npools_128queues" with differen number
of pools. Details see below. if not sure, set it as 8 pools.
"""
if self.nic in ("niantic", "springfountain"):
self.Npools_128queues(64)
elif self.nic in ("fortville_spirit", "fortville_spirit_single"):
self.Npools_128queues(63)
elif self.nic in ("fortville_eagle"):
self.Npools_128queues(34)
else:
self.Npools_128queues(8)
def test_perf_vmdq_performance(self):
"""
Try different configuration and different packe size
"""
self.tester.get_interface(
self.tester.get_local_port(self.dut_ports[0]))
frame_sizes = [64, 128, 256, 512, 1024, 1280, 1518]
for config in self.core_configs:
print dts.BLUE(config["cores"])
self.dut.kill_all()
core_config = config['cores']
core_list = self.dut.get_core_list(core_config,socket=self.ports_socket)
core_mask = dts.create_mask(core_list)
portmask = dts.create_mask(self.dut.get_ports())
if self.nic in ("niantic", "springfountain"):
self.queues = 64
self.dut.send_expect(
"examples/vmdq/build/vmdq_app -n %d -c %s -- -p %s --nb-pools 64&" %
(self.dut.get_memory_channels(), core_mask, portmask), "reading queues", 30)
elif self.nic in ("fortville_spirit", "fortville_spirit_single"):
self.queues = 63
self.dut.send_expect(
"examples/vmdq/build/vmdq_app -n %d -c %s -- -p %s --nb-pools 63&" %
(self.dut.get_memory_channels(), core_mask, portmask), "reading queues", 30)
elif self.nic in ("fortville_eagle"):
self.queues = 34
self.dut.send_expect(
"examples/vmdq/build/vmdq_app -n %d -c %s -- -p %s --nb-pools 34&" %
(self.dut.get_memory_channels(), core_mask, portmask), "reading queues", 30)
else:
self.queues = 8
self.dut.send_expect(
"examples/vmdq/build/vmdq_app -n %d -c %s -- -p %s --nb-pools 8&" %
(self.dut.get_memory_channels(), core_mask, portmask), "reading queues", 30)
tx_port = self.tester.get_local_port(self.dut_ports[0])
rx_port = self.tester.get_local_port(self.dut_ports[1])
print dts.GREEN("Waiting for application to initialize")
sleep(5)
for frame_size in frame_sizes:
TestVmdq.current_frame_size = frame_size
print dts.BLUE(str(frame_size))
self.tester.scapy_append('dstmac="%s"' % self.destmac_port0)
tx_mac = self.tester.get_mac(tx_port)
self.tester.scapy_append('srcmac="%s"' % tx_mac)
self.tester.scapy_append(
'flows = [Ether(src=srcmac,dst=dstmac)/Dot1Q(vlan=0)/("X"*%d)]' %
(frame_size - TestVmdq.ip_dot1q_header_size))
self.tester.scapy_append('wrpcap("test1.pcap", flows)')
self.tester.scapy_execute()
self.tester.scapy_append('dstmac="%s"' % self.destmac_port1)
tx_mac = self.tester.get_mac(rx_port)
self.tester.scapy_append('srcmac="%s"' % tx_mac)
self.tester.scapy_append(
'flows = [Ether(src=srcmac,dst=dstmac)/Dot1Q(vlan=0)/("X"*%d)]' %
(frame_size - TestVmdq.ip_dot1q_header_size))
self.tester.scapy_append('wrpcap("test2.pcap", flows)')
self.tester.scapy_execute()
self.vlan_repeat = self.queues
self.da_repeat = self.queues
tgen_input = []
tgen_input.append((tx_port, rx_port, "test1.pcap"))
tgen_input.append((rx_port, tx_port, "test2.pcap"))
_, pps = self.tester.traffic_generator_throughput(tgen_input)
config['mpps'][frame_size] = pps/1000000.0
for n in range(len(self.core_configs)):
for size in frame_sizes:
self.verify(
self.core_configs[n]['mpps'][size] is not 0, "No traffic detected")
# Print results
dts.results_table_add_header(
['Frame size'] + [n['cores'] for n in self.core_configs])
for size in frame_sizes:
dts.results_table_add_row(
[size] + [n['mpps'][size] for n in self.core_configs])
dts.results_table_print()
# Override etgen.dot1q function
def dot1q(self, port, prio, id, vlan, type):
"""
Change Ixia configuration
"""
self.add_tcl_cmd("vlan config -mode vIncrement")
self.add_tcl_cmd("vlan config -step 1")
self.add_tcl_cmd("vlan config -repeat %d" % self.vlan_repeat)
self.add_tcl_cmd("stream config -framesize %d" %
TestVmdq.current_frame_size)
super(TestVmdq, self).dot1q(port, prio, id, vlan, type)
def ether(self, port, src, dst, type):
"""
Configure Ether protocal.
"""
self.add_tcl_cmd("protocol config -ethernetType ethernetII")
self.add_tcl_cmd('stream config -sa "%s"' % self.macToTclFormat(src))
self.add_tcl_cmd('stream config -da "%s"' % self.macToTclFormat(dst))
self.add_tcl_cmd('stream config -daRepeatCounter increment')
self.add_tcl_cmd('stream config -daStep 1')
self.add_tcl_cmd('stream config -numDA %d' % self.da_repeat)
|
