blob: 9c1f76e108af1bff443485d4235933a7bba9af90 (
plain) (
blame)
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
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +--------------------+ +----------------------+
# | H1 | | H2 |
# | | | |
# | $h1.200 + | | + $h2.200 |
# | 192.0.2.1/28 | | | | 192.0.2.18/28 |
# | 2001:db8:1::1/64 | | | | 2001:db8:2::1/64 |
# | | | | | |
# | $h1 + | | + $h2 |
# | | | | | |
# +------------------|-+ +-|--------------------+
# | |
# +------------------|-------------------------|--------------------+
# | SW | | |
# | | | |
# | $rp1 + + $rp2 |
# | | | |
# | $rp1.200 + + $rp2.200 |
# | 192.0.2.2/28 192.0.2.17/28 |
# | 2001:db8:1::2/64 2001:db8:2::2/64 |
# | |
# +-----------------------------------------------------------------+
ALL_TESTS="
ping_ipv4
ping_ipv6
test_stats_rx_ipv4
test_stats_tx_ipv4
test_stats_rx_ipv6
test_stats_tx_ipv6
respin_enablement
test_stats_rx_ipv4
test_stats_tx_ipv4
test_stats_rx_ipv6
test_stats_tx_ipv6
reapply_config
ping_ipv4
ping_ipv6
test_stats_rx_ipv4
test_stats_tx_ipv4
test_stats_rx_ipv6
test_stats_tx_ipv6
test_stats_report_rx
test_stats_report_tx
test_destroy_enabled
test_double_enable
"
NUM_NETIFS=4
source lib.sh
h1_create()
{
simple_if_init $h1
vlan_create $h1 200 v$h1 192.0.2.1/28 2001:db8:1::1/64
ip route add 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2
ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
}
h1_destroy()
{
ip -6 route del 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
ip route del 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2
vlan_destroy $h1 200
simple_if_fini $h1
}
h2_create()
{
simple_if_init $h2
vlan_create $h2 200 v$h2 192.0.2.18/28 2001:db8:2::1/64
ip route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.17
ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::2
}
h2_destroy()
{
ip -6 route del 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::2
ip route del 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.17
vlan_destroy $h2 200
simple_if_fini $h2
}
router_rp1_200_create()
{
ip link add name $rp1.200 up \
link $rp1 addrgenmode eui64 type vlan id 200
ip address add dev $rp1.200 192.0.2.2/28
ip address add dev $rp1.200 2001:db8:1::2/64
ip stats set dev $rp1.200 l3_stats on
}
router_rp1_200_destroy()
{
ip stats set dev $rp1.200 l3_stats off
ip address del dev $rp1.200 2001:db8:1::2/64
ip address del dev $rp1.200 192.0.2.2/28
ip link del dev $rp1.200
}
router_create()
{
ip link set dev $rp1 up
router_rp1_200_create
ip link set dev $rp2 up
vlan_create $rp2 200 "" 192.0.2.17/28 2001:db8:2::2/64
}
router_destroy()
{
vlan_destroy $rp2 200
ip link set dev $rp2 down
router_rp1_200_destroy
ip link set dev $rp1 down
}
setup_prepare()
{
h1=${NETIFS[p1]}
rp1=${NETIFS[p2]}
rp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
rp1mac=$(mac_get $rp1)
rp2mac=$(mac_get $rp2)
vrf_prepare
h1_create
h2_create
router_create
forwarding_enable
}
cleanup()
{
pre_cleanup
forwarding_restore
router_destroy
h2_destroy
h1_destroy
vrf_cleanup
}
ping_ipv4()
{
ping_test $h1.200 192.0.2.18 " IPv4"
}
ping_ipv6()
{
ping_test $h1.200 2001:db8:2::1 " IPv6"
}
send_packets_rx_ipv4()
{
# Send 21 packets instead of 20, because the first one might trap and go
# through the SW datapath, which might not bump the HW counter.
$MZ $h1.200 -c 21 -d 20msec -p 100 \
-a own -b $rp1mac -A 192.0.2.1 -B 192.0.2.18 \
-q -t udp sp=54321,dp=12345
}
send_packets_rx_ipv6()
{
$MZ $h1.200 -6 -c 21 -d 20msec -p 100 \
-a own -b $rp1mac -A 2001:db8:1::1 -B 2001:db8:2::1 \
-q -t udp sp=54321,dp=12345
}
send_packets_tx_ipv4()
{
$MZ $h2.200 -c 21 -d 20msec -p 100 \
-a own -b $rp2mac -A 192.0.2.18 -B 192.0.2.1 \
-q -t udp sp=54321,dp=12345
}
send_packets_tx_ipv6()
{
$MZ $h2.200 -6 -c 21 -d 20msec -p 100 \
-a own -b $rp2mac -A 2001:db8:2::1 -B 2001:db8:1::1 \
-q -t udp sp=54321,dp=12345
}
___test_stats()
{
local dir=$1; shift
local prot=$1; shift
local a
local b
a=$(hw_stats_get l3_stats $rp1.200 ${dir} packets)
send_packets_${dir}_${prot}
"$@"
b=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= $a + 20" \
hw_stats_get l3_stats $rp1.200 ${dir} packets)
check_err $? "Traffic not reflected in the counter: $a -> $b"
}
__test_stats()
{
local dir=$1; shift
local prot=$1; shift
RET=0
___test_stats "$dir" "$prot"
log_test "Test $dir packets: $prot"
}
test_stats_rx_ipv4()
{
__test_stats rx ipv4
}
test_stats_tx_ipv4()
{
__test_stats tx ipv4
}
test_stats_rx_ipv6()
{
__test_stats rx ipv6
}
test_stats_tx_ipv6()
{
__test_stats tx ipv6
}
# Make sure everything works well even after stats have been disabled and
# reenabled on the same device without touching the L3 configuration.
respin_enablement()
{
log_info "Turning stats off and on again"
ip stats set dev $rp1.200 l3_stats off
ip stats set dev $rp1.200 l3_stats on
}
# For the initial run, l3_stats is enabled on a completely set up netdevice. Now
# do it the other way around: enabling the L3 stats on an L2 netdevice, and only
# then apply the L3 configuration.
reapply_config()
{
log_info "Reapplying configuration"
router_rp1_200_destroy
ip link add name $rp1.200 link $rp1 addrgenmode none type vlan id 200
ip stats set dev $rp1.200 l3_stats on
ip link set dev $rp1.200 up addrgenmode eui64
ip address add dev $rp1.200 192.0.2.2/28
ip address add dev $rp1.200 2001:db8:1::2/64
}
__test_stats_report()
{
local dir=$1; shift
local prot=$1; shift
local a
local b
RET=0
a=$(hw_stats_get l3_stats $rp1.200 ${dir} packets)
send_packets_${dir}_${prot}
ip address flush dev $rp1.200
b=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= $a + 20" \
hw_stats_get l3_stats $rp1.200 ${dir} packets)
check_err $? "Traffic not reflected in the counter: $a -> $b"
log_test "Test ${dir} packets: stats pushed on loss of L3"
ip stats set dev $rp1.200 l3_stats off
ip link del dev $rp1.200
router_rp1_200_create
}
test_stats_report_rx()
{
__test_stats_report rx ipv4
}
test_stats_report_tx()
{
__test_stats_report tx ipv4
}
test_destroy_enabled()
{
RET=0
ip link del dev $rp1.200
router_rp1_200_create
log_test "Destroy l3_stats-enabled netdev"
}
test_double_enable()
{
RET=0
___test_stats rx ipv4 \
ip stats set dev $rp1.200 l3_stats on
log_test "Test stat retention across a spurious enablement"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
|
