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
|
from scapy.layers.inet import IP, ICMP
from framework import VppTestCase
from vpp_ip_route import VppIpInterfaceAddress, VppIpRoute, VppRoutePath
from vpp_neighbor import VppNeighbor
""" TestPing is a subclass of VPPTestCase classes.
Basic test for sanity check of the ping.
"""
class TestPing(VppTestCase):
"""Ping Test Case"""
@classmethod
def setUpClass(cls):
super(TestPing, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.interfaces = list(cls.pg_interfaces)
for i in cls.interfaces:
i.admin_up()
i.config_ip4()
i.config_ip6()
i.disable_ipv6_ra()
i.resolve_arp()
i.resolve_ndp()
except Exception:
super(TestPing, cls).tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestPing, cls).tearDownClass()
def tearDown(self):
super(TestPing, self).tearDown()
def show_commands_at_teardown(self):
self.logger.info(self.vapi.cli("show hardware"))
def verify_ping_request(self, p, src, dst, seq):
ip = p[IP]
self.assertEqual(ip.version, 4)
self.assertEqual(ip.flags, 0)
self.assertEqual(ip.src, src)
self.assertEqual(ip.dst, dst)
self.assertEqual(ip.proto, 1)
self.assertEqual(len(ip.options), 0)
self.assertGreaterEqual(ip.ttl, 254)
icmp = p[ICMP]
self.assertEqual(icmp.type, 8)
self.assertEqual(icmp.code, 0)
self.assertEqual(icmp.seq, seq)
return icmp
def test_ping_basic(self):
"""basic ping test"""
try:
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show ip4 neighbors"))
self.logger.info(self.vapi.cli("show ip6 neighbors"))
remote_ip4 = self.pg1.remote_ip4
ping_cmd = "ping " + remote_ip4 + " interval 0.01 repeat 10"
ret = self.vapi.cli(ping_cmd)
self.logger.info(ret)
out = self.pg1.get_capture(10)
icmp_id = None
icmp_seq = 1
for p in out:
icmp = self.verify_ping_request(
p, self.pg1.local_ip4, self.pg1.remote_ip4, icmp_seq
)
icmp_seq = icmp_seq + 1
if icmp_id is None:
icmp_id = icmp.id
else:
self.assertEqual(icmp.id, icmp_id)
finally:
self.vapi.cli("show error")
def test_ping_burst(self):
"""burst ping test"""
try:
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show ip neighbors"))
remote_ip4 = self.pg1.remote_ip4
ping_cmd = "ping " + remote_ip4 + " interval 0.01 burst 3"
ret = self.vapi.cli(ping_cmd)
self.logger.info(ret)
out = self.pg1.get_capture(3 * 5)
icmp_id = None
icmp_seq = 1
count = 0
for p in out:
icmp = self.verify_ping_request(
p, self.pg1.local_ip4, self.pg1.remote_ip4, icmp_seq
)
count = count + 1
if count >= 3:
icmp_seq = icmp_seq + 1
count = 0
if icmp_id is None:
icmp_id = icmp.id
else:
self.assertEqual(icmp.id, icmp_id)
finally:
self.vapi.cli("show error")
def test_ping_src(self):
"""ping with source address set"""
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show ip4 neighbors"))
self.logger.info(self.vapi.cli("show ip6 neighbors"))
nbr_addr = "10.0.0.2"
VppIpInterfaceAddress(self, self.pg1, "10.0.0.1", 24).add_vpp_config()
VppNeighbor(
self, self.pg1.sw_if_index, "00:11:22:33:44:55", nbr_addr
).add_vpp_config()
ping_cmd = "ping %s interval 0.01 repeat 3" % self.pg1.remote_ip4
ret = self.vapi.cli(ping_cmd)
out = self.pg1.get_capture(3)
icmp_seq = 1
for p in out:
icmp = self.verify_ping_request(
p, self.pg1.local_ip4, self.pg1.remote_ip4, icmp_seq
)
icmp_seq = icmp_seq + 1
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
ping_cmd = "ping %s interval 0.01 repeat 3" % nbr_addr
ret = self.vapi.cli(ping_cmd)
out = self.pg1.get_capture(3)
icmp_seq = 1
for p in out:
icmp = self.verify_ping_request(p, "10.0.0.1", nbr_addr, icmp_seq)
icmp_seq = icmp_seq + 1
def test_ping_fib_routed_dst(self):
"""ping destination routed according to FIB table"""
try:
self.pg1.generate_remote_hosts(1)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
routed_dst = "10.0.2.0"
self.logger.info(self.vapi.cli("show ip4 neighbors"))
VppIpRoute(
self,
routed_dst,
24,
[VppRoutePath(self.pg1.remote_hosts[0].ip4, self.pg1.sw_if_index)],
).add_vpp_config()
ping_cmd = "ping %s interval 0.01 repeat 3" % routed_dst
ret = self.vapi.cli(ping_cmd)
self.logger.info(ret)
out = self.pg1.get_capture(3)
icmp_seq = 1
for p in out:
self.verify_ping_request(p, self.pg1.local_ip4, routed_dst, icmp_seq)
icmp_seq = icmp_seq + 1
finally:
self.vapi.cli("show error")
def test_ping_api(self):
"""ping api"""
try:
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
ret = self.vapi.want_ping_finished_events(
address=self.pg1.remote_ip4,
repeat=4,
interval=0.2,
)
self.logger.info(ret)
timeout = 1
ev = self.vapi.wait_for_event(timeout, "ping_finished_event")
self.logger.info(ev)
self.assertEqual(ev.request_count, 4)
out = self.pg1.get_capture(4)
icmp_id = None
icmp_seq = 1
for p in out:
icmp = self.verify_ping_request(
p, self.pg1.local_ip4, self.pg1.remote_ip4, icmp_seq
)
icmp_seq = icmp_seq + 1
if icmp_id is None:
icmp_id = icmp.id
else:
self.assertEqual(icmp.id, icmp_id)
finally:
self.vapi.cli("show error")
|
