blob: b617985ecdc10323136c54272b4398be95305948 (
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
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
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test is for checking IPv4 and IPv6 FIB behavior in response to
# different events.
ret=0
PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
log_test()
{
local rc=$1
local expected=$2
local msg="$3"
if [ ${rc} -eq ${expected} ]; then
printf " %-60s [ OK ]\n" "${msg}"
else
ret=1
printf " %-60s [FAIL]\n" "${msg}"
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
read a
[ "$a" = "q" ] && exit 1
fi
fi
}
setup()
{
set -e
ip netns add testns
ip -netns testns link set dev lo up
ip -netns testns link add dummy0 type dummy
ip -netns testns link set dev dummy0 up
ip -netns testns address add 198.51.100.1/24 dev dummy0
ip -netns testns -6 address add 2001:db8:1::1/64 dev dummy0
set +e
}
cleanup()
{
ip -netns testns link del dev dummy0 &> /dev/null
ip netns del testns
}
fib_unreg_unicast_test()
{
echo
echo "Single path route test"
setup
echo " Start point"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
set -e
ip -netns testns link del dev dummy0
set +e
echo " Nexthop device deleted"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 2 "IPv4 fibmatch - no route"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 2 "IPv6 fibmatch - no route"
cleanup
}
fib_unreg_multipath_test()
{
echo
echo "Multipath route test"
setup
set -e
ip -netns testns link add dummy1 type dummy
ip -netns testns link set dev dummy1 up
ip -netns testns address add 192.0.2.1/24 dev dummy1
ip -netns testns -6 address add 2001:db8:2::1/64 dev dummy1
ip -netns testns route add 203.0.113.0/24 \
nexthop via 198.51.100.2 dev dummy0 \
nexthop via 192.0.2.2 dev dummy1
ip -netns testns -6 route add 2001:db8:3::/64 \
nexthop via 2001:db8:1::2 dev dummy0 \
nexthop via 2001:db8:2::2 dev dummy1
set +e
echo " Start point"
ip -netns testns route get fibmatch 203.0.113.1 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
set -e
ip -netns testns link del dev dummy0
set +e
echo " One nexthop device deleted"
ip -netns testns route get fibmatch 203.0.113.1 &> /dev/null
log_test $? 2 "IPv4 - multipath route removed on delete"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 &> /dev/null
# In IPv6 we do not flush the entire multipath route.
log_test $? 0 "IPv6 - multipath down to single path"
set -e
ip -netns testns link del dev dummy1
set +e
echo " Second nexthop device deleted"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 &> /dev/null
log_test $? 2 "IPv6 - no route"
cleanup
}
fib_unreg_test()
{
fib_unreg_unicast_test
fib_unreg_multipath_test
}
fib_down_unicast_test()
{
echo
echo "Single path, admin down"
setup
echo " Start point"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
set -e
ip -netns testns link set dev dummy0 down
set +e
echo " Route deleted on down"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 2 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 2 "IPv6 fibmatch"
cleanup
}
fib_down_multipath_test_do()
{
local down_dev=$1
local up_dev=$2
ip -netns testns route get fibmatch 203.0.113.1 \
oif $down_dev &> /dev/null
log_test $? 2 "IPv4 fibmatch on down device"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 \
oif $down_dev &> /dev/null
log_test $? 2 "IPv6 fibmatch on down device"
ip -netns testns route get fibmatch 203.0.113.1 \
oif $up_dev &> /dev/null
log_test $? 0 "IPv4 fibmatch on up device"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 \
oif $up_dev &> /dev/null
log_test $? 0 "IPv6 fibmatch on up device"
ip -netns testns route get fibmatch 203.0.113.1 | \
grep $down_dev | grep -q "dead linkdown"
log_test $? 0 "IPv4 flags on down device"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 | \
grep $down_dev | grep -q "dead linkdown"
log_test $? 0 "IPv6 flags on down device"
ip -netns testns route get fibmatch 203.0.113.1 | \
grep $up_dev | grep -q "dead linkdown"
log_test $? 1 "IPv4 flags on up device"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 | \
grep $up_dev | grep -q "dead linkdown"
log_test $? 1 "IPv6 flags on up device"
}
fib_down_multipath_test()
{
echo
echo "Admin down multipath"
setup
set -e
ip -netns testns link add dummy1 type dummy
ip -netns testns link set dev dummy1 up
ip -netns testns address add 192.0.2.1/24 dev dummy1
ip -netns testns -6 address add 2001:db8:2::1/64 dev dummy1
ip -netns testns route add 203.0.113.0/24 \
nexthop via 198.51.100.2 dev dummy0 \
nexthop via 192.0.2.2 dev dummy1
ip -netns testns -6 route add 2001:db8:3::/64 \
nexthop via 2001:db8:1::2 dev dummy0 \
nexthop via 2001:db8:2::2 dev dummy1
set +e
echo " Verify start point"
ip -netns testns route get fibmatch 203.0.113.1 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
set -e
ip -netns testns link set dev dummy0 down
set +e
echo " One device down, one up"
fib_down_multipath_test_do "dummy0" "dummy1"
set -e
ip -netns testns link set dev dummy0 up
ip -netns testns link set dev dummy1 down
set +e
echo " Other device down and up"
fib_down_multipath_test_do "dummy1" "dummy0"
set -e
ip -netns testns link set dev dummy0 down
set +e
echo " Both devices down"
ip -netns testns route get fibmatch 203.0.113.1 &> /dev/null
log_test $? 2 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:3::1 &> /dev/null
log_test $? 2 "IPv6 fibmatch"
ip -netns testns link del dev dummy1
cleanup
}
fib_down_test()
{
fib_down_unicast_test
fib_down_multipath_test
}
# Local routes should not be affected when carrier changes.
fib_carrier_local_test()
{
echo
echo "Local carrier tests - single path"
setup
set -e
ip -netns testns link set dev dummy0 carrier on
set +e
echo " Start point"
ip -netns testns route get fibmatch 198.51.100.1 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::1 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 198.51.100.1 | \
grep -q "linkdown"
log_test $? 1 "IPv4 - no linkdown flag"
ip -netns testns -6 route get fibmatch 2001:db8:1::1 | \
grep -q "linkdown"
log_test $? 1 "IPv6 - no linkdown flag"
set -e
ip -netns testns link set dev dummy0 carrier off
sleep 1
set +e
echo " Carrier off on nexthop"
ip -netns testns route get fibmatch 198.51.100.1 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::1 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 198.51.100.1 | \
grep -q "linkdown"
log_test $? 1 "IPv4 - linkdown flag set"
ip -netns testns -6 route get fibmatch 2001:db8:1::1 | \
grep -q "linkdown"
log_test $? 1 "IPv6 - linkdown flag set"
set -e
ip -netns testns address add 192.0.2.1/24 dev dummy0
ip -netns testns -6 address add 2001:db8:2::1/64 dev dummy0
set +e
echo " Route to local address with carrier down"
ip -netns testns route get fibmatch 192.0.2.1 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:2::1 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 192.0.2.1 | \
grep -q "linkdown"
log_test $? 1 "IPv4 linkdown flag set"
ip -netns testns -6 route get fibmatch 2001:db8:2::1 | \
grep -q "linkdown"
log_test $? 1 "IPv6 linkdown flag set"
cleanup
}
fib_carrier_unicast_test()
{
ret=0
echo
echo "Single path route carrier test"
setup
set -e
ip -netns testns link set dev dummy0 carrier on
set +e
echo " Start point"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 198.51.100.2 | \
grep -q "linkdown"
log_test $? 1 "IPv4 no linkdown flag"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 | \
grep -q "linkdown"
log_test $? 1 "IPv6 no linkdown flag"
set -e
ip -netns testns link set dev dummy0 carrier off
set +e
echo " Carrier down"
ip -netns testns route get fibmatch 198.51.100.2 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 198.51.100.2 | \
grep -q "linkdown"
log_test $? 0 "IPv4 linkdown flag set"
ip -netns testns -6 route get fibmatch 2001:db8:1::2 | \
grep -q "linkdown"
log_test $? 0 "IPv6 linkdown flag set"
set -e
ip -netns testns address add 192.0.2.1/24 dev dummy0
ip -netns testns -6 address add 2001:db8:2::1/64 dev dummy0
set +e
echo " Second address added with carrier down"
ip -netns testns route get fibmatch 192.0.2.2 &> /dev/null
log_test $? 0 "IPv4 fibmatch"
ip -netns testns -6 route get fibmatch 2001:db8:2::2 &> /dev/null
log_test $? 0 "IPv6 fibmatch"
ip -netns testns route get fibmatch 192.0.2.2 | \
grep -q "linkdown"
log_test $? 0 "IPv4 linkdown flag set"
ip -netns testns -6 route get fibmatch 2001:db8:2::2 | \
grep -q "linkdown"
log_test $? 0 "IPv6 linkdown flag set"
cleanup
}
fib_carrier_test()
{
fib_carrier_local_test
fib_carrier_unicast_test
}
fib_test()
{
fib_unreg_test
fib_down_test
fib_carrier_test
}
if [ "$(id -u)" -ne 0 ];then
echo "SKIP: Need root privileges"
exit 0
fi
if [ ! -x "$(command -v ip)" ]; then
echo "SKIP: Could not run test without ip tool"
exit 0
fi
ip route help 2>&1 | grep -q fibmatch
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 too old, missing fibmatch"
exit 0
fi
# start clean
cleanup &> /dev/null
fib_test
exit $ret
|
