blob: 8d91191a098c3c3be3939b895e7845074e906634 (
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
421
422
423
424
425
426
427
428
429
430
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
ipv4_route_addition_test
ipv4_route_deletion_test
ipv4_route_replacement_test
ipv4_route_offload_failed_test
ipv6_route_addition_test
ipv6_route_deletion_test
ipv6_route_replacement_test
ipv6_route_offload_failed_test
"
NETDEVSIM_PATH=/sys/bus/netdevsim/
DEV_ADDR=1337
DEV=netdevsim${DEV_ADDR}
DEVLINK_DEV=netdevsim/${DEV}
SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/
DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/
NUM_NETIFS=0
source $lib_dir/lib.sh
check_rt_offload_failed()
{
local outfile=$1; shift
local line
# Make sure that the first notification was emitted without
# RTM_F_OFFLOAD_FAILED flag and the second with RTM_F_OFFLOAD_FAILED
# flag
head -n 1 $outfile | grep -q "rt_offload_failed"
if [[ $? -eq 0 ]]; then
return 1
fi
head -n 2 $outfile | tail -n 1 | grep -q "rt_offload_failed"
}
check_rt_trap()
{
local outfile=$1; shift
local line
# Make sure that the first notification was emitted without RTM_F_TRAP
# flag and the second with RTM_F_TRAP flag
head -n 1 $outfile | grep -q "rt_trap"
if [[ $? -eq 0 ]]; then
return 1
fi
head -n 2 $outfile | tail -n 1 | grep -q "rt_trap"
}
route_notify_check()
{
local outfile=$1; shift
local expected_num_lines=$1; shift
local offload_failed=${1:-0}; shift
# check the monitor results
lines=`wc -l $outfile | cut "-d " -f1`
test $lines -eq $expected_num_lines
check_err $? "$expected_num_lines notifications were expected but $lines were received"
if [[ $expected_num_lines -eq 1 ]]; then
return
fi
if [[ $offload_failed -eq 0 ]]; then
check_rt_trap $outfile
check_err $? "Wrong RTM_F_TRAP flags in notifications"
else
check_rt_offload_failed $outfile
check_err $? "Wrong RTM_F_OFFLOAD_FAILED flags in notifications"
fi
}
route_addition_check()
{
local ip=$1; shift
local notify=$1; shift
local route=$1; shift
local expected_num_notifications=$1; shift
local offload_failed=${1:-0}; shift
ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify
local outfile=$(mktemp)
$IP monitor route &> $outfile &
sleep 1
$IP route add $route dev dummy1
sleep 1
kill %% && wait %% &> /dev/null
route_notify_check $outfile $expected_num_notifications $offload_failed
rm -f $outfile
$IP route del $route dev dummy1
}
ipv4_route_addition_test()
{
RET=0
local ip="ipv4"
local route=192.0.2.0/24
# Make sure a single notification will be emitted for the programmed
# route.
local notify=0
local expected_num_notifications=1
# route_addition_check will assign value to RET.
route_addition_check $ip $notify $route $expected_num_notifications
# Make sure two notifications will be emitted for the programmed route.
notify=1
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications
# notify=2 means emit notifications only for failed route installation,
# make sure a single notification will be emitted for the programmed
# route.
notify=2
expected_num_notifications=1
route_addition_check $ip $notify $route $expected_num_notifications
log_test "IPv4 route addition"
}
route_deletion_check()
{
local ip=$1; shift
local notify=$1; shift
local route=$1; shift
local expected_num_notifications=$1; shift
ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify
$IP route add $route dev dummy1
sleep 1
local outfile=$(mktemp)
$IP monitor route &> $outfile &
sleep 1
$IP route del $route dev dummy1
sleep 1
kill %% && wait %% &> /dev/null
route_notify_check $outfile $expected_num_notifications
rm -f $outfile
}
ipv4_route_deletion_test()
{
RET=0
local ip="ipv4"
local route=192.0.2.0/24
local expected_num_notifications=1
# Make sure a single notification will be emitted for the deleted route,
# regardless of fib_notify_on_flag_change value.
local notify=0
# route_deletion_check will assign value to RET.
route_deletion_check $ip $notify $route $expected_num_notifications
notify=1
route_deletion_check $ip $notify $route $expected_num_notifications
log_test "IPv4 route deletion"
}
route_replacement_check()
{
local ip=$1; shift
local notify=$1; shift
local route=$1; shift
local expected_num_notifications=$1; shift
ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify
$IP route add $route dev dummy1
sleep 1
local outfile=$(mktemp)
$IP monitor route &> $outfile &
sleep 1
$IP route replace $route dev dummy2
sleep 1
kill %% && wait %% &> /dev/null
route_notify_check $outfile $expected_num_notifications
rm -f $outfile
$IP route del $route dev dummy2
}
ipv4_route_replacement_test()
{
RET=0
local ip="ipv4"
local route=192.0.2.0/24
$IP link add name dummy2 type dummy
$IP link set dev dummy2 up
# Make sure a single notification will be emitted for the new route.
local notify=0
local expected_num_notifications=1
# route_replacement_check will assign value to RET.
route_replacement_check $ip $notify $route $expected_num_notifications
# Make sure two notifications will be emitted for the new route.
notify=1
expected_num_notifications=2
route_replacement_check $ip $notify $route $expected_num_notifications
# notify=2 means emit notifications only for failed route installation,
# make sure a single notification will be emitted for the new route.
notify=2
expected_num_notifications=1
route_replacement_check $ip $notify $route $expected_num_notifications
$IP link del name dummy2
log_test "IPv4 route replacement"
}
ipv4_route_offload_failed_test()
{
RET=0
local ip="ipv4"
local route=192.0.2.0/24
local offload_failed=1
echo "y"> $DEBUGFS_DIR/fib/fail_route_offload
check_err $? "Failed to setup route offload to fail"
# Make sure a single notification will be emitted for the programmed
# route.
local notify=0
local expected_num_notifications=1
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
# Make sure two notifications will be emitted for the new route.
notify=1
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
# notify=2 means emit notifications only for failed route installation,
# make sure two notifications will be emitted for the new route.
notify=2
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
echo "n"> $DEBUGFS_DIR/fib/fail_route_offload
check_err $? "Failed to setup route offload not to fail"
log_test "IPv4 route offload failed"
}
ipv6_route_addition_test()
{
RET=0
local ip="ipv6"
local route=2001:db8:1::/64
# Make sure a single notification will be emitted for the programmed
# route.
local notify=0
local expected_num_notifications=1
route_addition_check $ip $notify $route $expected_num_notifications
# Make sure two notifications will be emitted for the programmed route.
notify=1
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications
# notify=2 means emit notifications only for failed route installation,
# make sure a single notification will be emitted for the programmed
# route.
notify=2
expected_num_notifications=1
route_addition_check $ip $notify $route $expected_num_notifications
log_test "IPv6 route addition"
}
ipv6_route_deletion_test()
{
RET=0
local ip="ipv6"
local route=2001:db8:1::/64
local expected_num_notifications=1
# Make sure a single notification will be emitted for the deleted route,
# regardless of fib_notify_on_flag_change value.
local notify=0
route_deletion_check $ip $notify $route $expected_num_notifications
notify=1
route_deletion_check $ip $notify $route $expected_num_notifications
log_test "IPv6 route deletion"
}
ipv6_route_replacement_test()
{
RET=0
local ip="ipv6"
local route=2001:db8:1::/64
$IP link add name dummy2 type dummy
$IP link set dev dummy2 up
# Make sure a single notification will be emitted for the new route.
local notify=0
local expected_num_notifications=1
route_replacement_check $ip $notify $route $expected_num_notifications
# Make sure two notifications will be emitted for the new route.
notify=1
expected_num_notifications=2
route_replacement_check $ip $notify $route $expected_num_notifications
# notify=2 means emit notifications only for failed route installation,
# make sure a single notification will be emitted for the new route.
notify=2
expected_num_notifications=1
route_replacement_check $ip $notify $route $expected_num_notifications
$IP link del name dummy2
log_test "IPv6 route replacement"
}
ipv6_route_offload_failed_test()
{
RET=0
local ip="ipv6"
local route=2001:db8:1::/64
local offload_failed=1
echo "y"> $DEBUGFS_DIR/fib/fail_route_offload
check_err $? "Failed to setup route offload to fail"
# Make sure a single notification will be emitted for the programmed
# route.
local notify=0
local expected_num_notifications=1
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
# Make sure two notifications will be emitted for the new route.
notify=1
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
# notify=2 means emit notifications only for failed route installation,
# make sure two notifications will be emitted for the new route.
notify=2
expected_num_notifications=2
route_addition_check $ip $notify $route $expected_num_notifications \
$offload_failed
echo "n"> $DEBUGFS_DIR/fib/fail_route_offload
check_err $? "Failed to setup route offload not to fail"
log_test "IPv6 route offload failed"
}
setup_prepare()
{
modprobe netdevsim &> /dev/null
echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device
while [ ! -d $SYSFS_NET_DIR ] ; do :; done
ip netns add testns1
if [ $? -ne 0 ]; then
echo "Failed to add netns \"testns1\""
exit 1
fi
devlink dev reload $DEVLINK_DEV netns testns1
if [ $? -ne 0 ]; then
echo "Failed to reload into netns \"testns1\""
exit 1
fi
IP="ip -n testns1"
$IP link add name dummy1 type dummy
$IP link set dev dummy1 up
}
cleanup()
{
pre_cleanup
$IP link del name dummy1
ip netns del testns1
echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device
modprobe -r netdevsim &> /dev/null
}
trap cleanup EXIT
setup_prepare
tests_run
exit $EXIT_STATUS
|
