Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4lib_dir=$(dirname $0)/../../../net/forwarding
5
6ALL_TESTS="fw_flash_test params_test regions_test reload_test \
7 netns_reload_test resource_test dev_info_test \
8 empty_reporter_test dummy_reporter_test rate_test"
9NUM_NETIFS=0
10source $lib_dir/lib.sh
11
12BUS_ADDR=10
13PORT_COUNT=4
14VF_COUNT=4
15DEV_NAME=netdevsim$BUS_ADDR
16SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
17DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
18DL_HANDLE=netdevsim/$DEV_NAME
19
20wait_for_devlink()
21{
22 "$@" | grep -q $DL_HANDLE
23}
24
25devlink_wait()
26{
27 local timeout=$1
28
29 busywait "$timeout" wait_for_devlink devlink dev
30}
31
32fw_flash_test()
33{
34 DUMMYFILE=$(find /lib/firmware -type f -printf '%P\n' | head -1)
35 RET=0
36
37 if [ -z "$DUMMYFILE" ]
38 then
39 echo "SKIP: unable to find suitable dummy firmware file"
40 return
41 fi
42
43 devlink dev flash $DL_HANDLE file $DUMMYFILE
44 check_err $? "Failed to flash with status updates on"
45
46 devlink dev flash $DL_HANDLE file $DUMMYFILE component fw.mgmt
47 check_err $? "Failed to flash with component attribute"
48
49 devlink dev flash $DL_HANDLE file $DUMMYFILE overwrite settings
50 check_fail $? "Flash with overwrite settings should be rejected"
51
52 echo "1"> $DEBUGFS_DIR/fw_update_overwrite_mask
53 check_err $? "Failed to change allowed overwrite mask"
54
55 devlink dev flash $DL_HANDLE file $DUMMYFILE overwrite settings
56 check_err $? "Failed to flash with settings overwrite enabled"
57
58 devlink dev flash $DL_HANDLE file $DUMMYFILE overwrite identifiers
59 check_fail $? "Flash with overwrite settings should be identifiers"
60
61 echo "3"> $DEBUGFS_DIR/fw_update_overwrite_mask
62 check_err $? "Failed to change allowed overwrite mask"
63
64 devlink dev flash $DL_HANDLE file $DUMMYFILE overwrite identifiers overwrite settings
65 check_err $? "Failed to flash with settings and identifiers overwrite enabled"
66
67 echo "n"> $DEBUGFS_DIR/fw_update_status
68 check_err $? "Failed to disable status updates"
69
70 devlink dev flash $DL_HANDLE file $DUMMYFILE
71 check_err $? "Failed to flash with status updates off"
72
73 log_test "fw flash test"
74}
75
76param_get()
77{
78 local name=$1
79
80 cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \
81 '.[][][].values[] | select(.cmode == "driverinit").value'
82}
83
84param_set()
85{
86 local name=$1
87 local value=$2
88
89 devlink dev param set $DL_HANDLE name $name cmode driverinit value $value
90}
91
92check_value()
93{
94 local name=$1
95 local phase_name=$2
96 local expected_param_value=$3
97 local expected_debugfs_value=$4
98 local value
99
100 value=$(param_get $name)
101 check_err $? "Failed to get $name param value"
102 [ "$value" == "$expected_param_value" ]
103 check_err $? "Unexpected $phase_name $name param value"
104 value=$(<$DEBUGFS_DIR/$name)
105 check_err $? "Failed to get $name debugfs value"
106 [ "$value" == "$expected_debugfs_value" ]
107 check_err $? "Unexpected $phase_name $name debugfs value"
108}
109
110params_test()
111{
112 RET=0
113
114 local max_macs
115 local test1
116
117 check_value max_macs initial 32 32
118 check_value test1 initial true Y
119
120 param_set max_macs 16
121 check_err $? "Failed to set max_macs param value"
122 param_set test1 false
123 check_err $? "Failed to set test1 param value"
124
125 check_value max_macs post-set 16 32
126 check_value test1 post-set false Y
127
128 devlink dev reload $DL_HANDLE
129
130 check_value max_macs post-reload 16 16
131 check_value test1 post-reload false N
132
133 log_test "params test"
134}
135
136check_region_size()
137{
138 local name=$1
139 local size
140
141 size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size')
142 check_err $? "Failed to get $name region size"
143 [ $size -eq 32768 ]
144 check_err $? "Invalid $name region size"
145}
146
147check_region_snapshot_count()
148{
149 local name=$1
150 local phase_name=$2
151 local expected_count=$3
152 local count
153
154 count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length')
155 [ $count -eq $expected_count ]
156 check_err $? "Unexpected $phase_name snapshot count"
157}
158
159regions_test()
160{
161 RET=0
162
163 local count
164
165 check_region_size dummy
166 check_region_snapshot_count dummy initial 0
167
168 echo ""> $DEBUGFS_DIR/take_snapshot
169 check_err $? "Failed to take first dummy region snapshot"
170 check_region_snapshot_count dummy post-first-snapshot 1
171
172 echo ""> $DEBUGFS_DIR/take_snapshot
173 check_err $? "Failed to take second dummy region snapshot"
174 check_region_snapshot_count dummy post-second-snapshot 2
175
176 echo ""> $DEBUGFS_DIR/take_snapshot
177 check_err $? "Failed to take third dummy region snapshot"
178 check_region_snapshot_count dummy post-third-snapshot 3
179
180 devlink region del $DL_HANDLE/dummy snapshot 1
181 check_err $? "Failed to delete first dummy region snapshot"
182
183 check_region_snapshot_count dummy post-first-delete 2
184
185 devlink region new $DL_HANDLE/dummy snapshot 25
186 check_err $? "Failed to create a new snapshot with id 25"
187
188 check_region_snapshot_count dummy post-first-request 3
189
190 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null
191 check_err $? "Failed to dump snapshot with id 25"
192
193 devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null
194 check_err $? "Failed to read snapshot with id 25 (1 byte)"
195
196 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null
197 check_err $? "Failed to read snapshot with id 25 (128 bytes)"
198
199 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null
200 check_err $? "Failed to read snapshot with id 25 (oversized)"
201
202 devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1
203 check_fail $? "Bad read of snapshot with id 25 did not fail"
204
205 devlink region del $DL_HANDLE/dummy snapshot 25
206 check_err $? "Failed to delete snapshot with id 25"
207
208 check_region_snapshot_count dummy post-second-delete 2
209
210 sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]')
211 check_err $? "Failed to create a new snapshot with id allocated by the kernel"
212
213 check_region_snapshot_count dummy post-first-request 3
214
215 devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null
216 check_err $? "Failed to dump a snapshot with id allocated by the kernel"
217
218 devlink region del $DL_HANDLE/dummy snapshot $sid
219 check_err $? "Failed to delete snapshot with id allocated by the kernel"
220
221 check_region_snapshot_count dummy post-first-request 2
222
223 log_test "regions test"
224}
225
226reload_test()
227{
228 RET=0
229
230 devlink dev reload $DL_HANDLE
231 check_err $? "Failed to reload"
232
233 echo "y"> $DEBUGFS_DIR/fail_reload
234 check_err $? "Failed to setup devlink reload to fail"
235
236 devlink dev reload $DL_HANDLE
237 check_fail $? "Unexpected success of devlink reload"
238
239 echo "n"> $DEBUGFS_DIR/fail_reload
240 check_err $? "Failed to setup devlink reload not to fail"
241
242 devlink dev reload $DL_HANDLE
243 check_err $? "Failed to reload after set not to fail"
244
245 echo "y"> $DEBUGFS_DIR/dont_allow_reload
246 check_err $? "Failed to forbid devlink reload"
247
248 devlink dev reload $DL_HANDLE
249 check_fail $? "Unexpected success of devlink reload"
250
251 echo "n"> $DEBUGFS_DIR/dont_allow_reload
252 check_err $? "Failed to re-enable devlink reload"
253
254 devlink dev reload $DL_HANDLE
255 check_err $? "Failed to reload after re-enable"
256
257 log_test "reload test"
258}
259
260netns_reload_test()
261{
262 RET=0
263
264 ip netns add testns1
265 check_err $? "Failed add netns \"testns1\""
266 ip netns add testns2
267 check_err $? "Failed add netns \"testns2\""
268
269 devlink dev reload $DL_HANDLE netns testns1
270 check_err $? "Failed to reload into netns \"testns1\""
271
272 devlink -N testns1 dev reload $DL_HANDLE netns testns2
273 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\""
274
275 ip netns del testns2
276 ip netns del testns1
277
278 # Wait until netns async cleanup is done.
279 devlink_wait 2000
280
281 log_test "netns reload test"
282}
283
284DUMMYDEV="dummytest"
285
286res_val_get()
287{
288 local netns=$1
289 local parentname=$2
290 local name=$3
291 local type=$4
292
293 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \
294 ".[][][] | select(.name == \"$parentname\").resources[] \
295 | select(.name == \"$name\").$type"
296}
297
298resource_test()
299{
300 RET=0
301
302 ip netns add testns1
303 check_err $? "Failed add netns \"testns1\""
304 ip netns add testns2
305 check_err $? "Failed add netns \"testns2\""
306
307 devlink dev reload $DL_HANDLE netns testns1
308 check_err $? "Failed to reload into netns \"testns1\""
309
310 # Create dummy dev to add the address and routes on.
311
312 ip -n testns1 link add name $DUMMYDEV type dummy
313 check_err $? "Failed create dummy device"
314 ip -n testns1 link set $DUMMYDEV up
315 check_err $? "Failed bring up dummy device"
316 ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV
317 check_err $? "Failed add an IP address to dummy device"
318
319 local occ=$(res_val_get testns1 IPv4 fib occ)
320 local limit=$((occ+1))
321
322 # Set fib size limit to handle one another route only.
323
324 devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit
325 check_err $? "Failed to set IPv4/fib resource size"
326 local size_new=$(res_val_get testns1 IPv4 fib size_new)
327 [ "$size_new" -eq "$limit" ]
328 check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)"
329
330 devlink -N testns1 dev reload $DL_HANDLE
331 check_err $? "Failed to reload"
332 local size=$(res_val_get testns1 IPv4 fib size)
333 [ "$size" -eq "$limit" ]
334 check_err $? "Unexpected \"size\" value (got $size, expected $limit)"
335
336 # Insert 2 routes, the first is going to be inserted,
337 # the second is expected to fail to be inserted.
338
339 ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2
340 check_err $? "Failed to add route"
341
342 ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2
343 check_fail $? "Unexpected successful route add over limit"
344
345 # Now create another dummy in second network namespace and
346 # insert two routes. That is over the limit of the netdevsim
347 # instance in the first namespace. Move the netdevsim instance
348 # into the second namespace and expect it to fail.
349
350 ip -n testns2 link add name $DUMMYDEV type dummy
351 check_err $? "Failed create dummy device"
352 ip -n testns2 link set $DUMMYDEV up
353 check_err $? "Failed bring up dummy device"
354 ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV
355 check_err $? "Failed add an IP address to dummy device"
356 ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2
357 check_err $? "Failed to add route"
358 ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2
359 check_err $? "Failed to add route"
360
361 devlink -N testns1 dev reload $DL_HANDLE netns testns2
362 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\""
363
364 devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1'
365 check_err $? "Failed to reset IPv4/fib resource size"
366
367 devlink -N testns2 dev reload $DL_HANDLE netns 1
368 check_err $? "Failed to reload devlink back"
369
370 ip netns del testns2
371 ip netns del testns1
372
373 # Wait until netns async cleanup is done.
374 devlink_wait 2000
375
376 log_test "resource test"
377}
378
379info_get()
380{
381 local name=$1
382
383 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e"
384}
385
386dev_info_test()
387{
388 RET=0
389
390 driver=$(info_get "driver")
391 check_err $? "Failed to get driver name"
392 [ "$driver" == "netdevsim" ]
393 check_err $? "Unexpected driver name $driver"
394
395 log_test "dev_info test"
396}
397
398empty_reporter_test()
399{
400 RET=0
401
402 devlink health show $DL_HANDLE reporter empty >/dev/null
403 check_err $? "Failed show empty reporter"
404
405 devlink health dump show $DL_HANDLE reporter empty >/dev/null
406 check_err $? "Failed show dump of empty reporter"
407
408 devlink health diagnose $DL_HANDLE reporter empty >/dev/null
409 check_err $? "Failed diagnose empty reporter"
410
411 devlink health recover $DL_HANDLE reporter empty
412 check_err $? "Failed recover empty reporter"
413
414 log_test "empty reporter test"
415}
416
417check_reporter_info()
418{
419 local name=$1
420 local expected_state=$2
421 local expected_error=$3
422 local expected_recover=$4
423 local expected_grace_period=$5
424 local expected_auto_recover=$6
425
426 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]")
427 check_err $? "Failed show $name reporter"
428
429 local state=$(echo $show | jq -r ".state")
430 [ "$state" == "$expected_state" ]
431 check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)"
432
433 local error=$(echo $show | jq -r ".error")
434 [ "$error" == "$expected_error" ]
435 check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)"
436
437 local recover=`echo $show | jq -r ".recover"`
438 [ "$recover" == "$expected_recover" ]
439 check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)"
440
441 local grace_period=$(echo $show | jq -r ".grace_period")
442 check_err $? "Failed get $name reporter grace_period"
443 [ "$grace_period" == "$expected_grace_period" ]
444 check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)"
445
446 local auto_recover=$(echo $show | jq -r ".auto_recover")
447 [ "$auto_recover" == "$expected_auto_recover" ]
448 check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)"
449}
450
451dummy_reporter_test()
452{
453 RET=0
454
455 check_reporter_info dummy healthy 0 0 0 true
456
457 devlink health set $DL_HANDLE reporter dummy auto_recover false
458 check_err $? "Failed to dummy reporter auto_recover option"
459
460 check_reporter_info dummy healthy 0 0 0 false
461
462 local BREAK_MSG="foo bar"
463 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
464 check_err $? "Failed to break dummy reporter"
465
466 check_reporter_info dummy error 1 0 0 false
467
468 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
469 check_err $? "Failed show dump of dummy reporter"
470
471 local dump_break_msg=$(echo $dump | jq -r ".break_message")
472 [ "$dump_break_msg" == "$BREAK_MSG" ]
473 check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)"
474
475 devlink health dump clear $DL_HANDLE reporter dummy
476 check_err $? "Failed clear dump of dummy reporter"
477
478 devlink health recover $DL_HANDLE reporter dummy
479 check_err $? "Failed recover dummy reporter"
480
481 check_reporter_info dummy healthy 1 1 0 false
482
483 devlink health set $DL_HANDLE reporter dummy auto_recover true
484 check_err $? "Failed to dummy reporter auto_recover option"
485
486 check_reporter_info dummy healthy 1 1 0 true
487
488 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
489 check_err $? "Failed to break dummy reporter"
490
491 check_reporter_info dummy healthy 2 2 0 true
492
493 local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p)
494 check_err $? "Failed show diagnose of dummy reporter"
495
496 local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message")
497 [ "$rcvrd_break_msg" == "$BREAK_MSG" ]
498 check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)"
499
500 devlink health set $DL_HANDLE reporter dummy grace_period 10
501 check_err $? "Failed to dummy reporter grace_period option"
502
503 check_reporter_info dummy healthy 2 2 10 true
504
505 echo "Y"> $DEBUGFS_DIR/health/fail_recover
506 check_err $? "Failed set dummy reporter recovery to fail"
507
508 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
509 check_fail $? "Unexpected success of dummy reporter break"
510
511 check_reporter_info dummy error 3 2 10 true
512
513 devlink health recover $DL_HANDLE reporter dummy
514 check_fail $? "Unexpected success of dummy reporter recover"
515
516 echo "N"> $DEBUGFS_DIR/health/fail_recover
517 check_err $? "Failed set dummy reporter recovery to be successful"
518
519 devlink health recover $DL_HANDLE reporter dummy
520 check_err $? "Failed recover dummy reporter"
521
522 check_reporter_info dummy healthy 3 3 10 true
523
524 echo 8192 > $DEBUGFS_DIR/health/binary_len
525 check_err $? "Failed set dummy reporter binary len to 8192"
526
527 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
528 check_err $? "Failed show dump of dummy reporter"
529
530 devlink health dump clear $DL_HANDLE reporter dummy
531 check_err $? "Failed clear dump of dummy reporter"
532
533 log_test "dummy reporter test"
534}
535
536rate_leafs_get()
537{
538 local handle=$1
539
540 cmd_jq "devlink port function rate show -j" \
541 '.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))'
542}
543
544rate_nodes_get()
545{
546 local handle=$1
547
548 cmd_jq "devlink port function rate show -j" \
549 '.[] | to_entries | .[] | select(.value.type == "node") | .key | select(contains("'$handle'"))'
550}
551
552rate_attr_set()
553{
554 local handle=$1
555 local name=$2
556 local value=$3
557 local units=$4
558
559 devlink port function rate set $handle $name $value$units
560}
561
562rate_attr_get()
563{
564 local handle=$1
565 local name=$2
566
567 cmd_jq "devlink port function rate show $handle -j" '.[][].'$name
568}
569
570rate_attr_tx_rate_check()
571{
572 local handle=$1
573 local name=$2
574 local rate=$3
575 local debug_file=$4
576
577 rate_attr_set $handle $name $rate mbit
578 check_err $? "Failed to set $name value"
579
580 local debug_value=$(cat $debug_file)
581 check_err $? "Failed to read $name value from debugfs"
582 [ "$debug_value" == "$rate" ]
583 check_err $? "Unexpected $name debug value $debug_value != $rate"
584
585 local api_value=$(( $(rate_attr_get $handle $name) * 8 / 1000000 ))
586 check_err $? "Failed to get $name attr value"
587 [ "$api_value" == "$rate" ]
588 check_err $? "Unexpected $name attr value $api_value != $rate"
589}
590
591rate_attr_parent_check()
592{
593 local handle=$1
594 local parent=$2
595 local debug_file=$3
596
597 rate_attr_set $handle parent $parent
598 check_err $? "Failed to set parent"
599
600 debug_value=$(cat $debug_file)
601 check_err $? "Failed to get parent debugfs value"
602 [ "$debug_value" == "$parent" ]
603 check_err $? "Unexpected parent debug value $debug_value != $parent"
604
605 api_value=$(rate_attr_get $r_obj parent)
606 check_err $? "Failed to get parent attr value"
607 [ "$api_value" == "$parent" ]
608 check_err $? "Unexpected parent attr value $api_value != $parent"
609}
610
611rate_node_add()
612{
613 local handle=$1
614
615 devlink port function rate add $handle
616}
617
618rate_node_del()
619{
620 local handle=$1
621
622 devlink port function rate del $handle
623}
624
625rate_test()
626{
627 RET=0
628
629 echo $VF_COUNT > /sys/bus/netdevsim/devices/$DEV_NAME/sriov_numvfs
630 devlink dev eswitch set $DL_HANDLE mode switchdev
631 local leafs=`rate_leafs_get $DL_HANDLE`
632 local num_leafs=`echo $leafs | wc -w`
633 [ "$num_leafs" == "$VF_COUNT" ]
634 check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs"
635
636 rate=10
637 for r_obj in $leafs
638 do
639 rate_attr_tx_rate_check $r_obj tx_share $rate \
640 $DEBUGFS_DIR/ports/${r_obj##*/}/tx_share
641 rate=$(($rate+10))
642 done
643
644 rate=100
645 for r_obj in $leafs
646 do
647 rate_attr_tx_rate_check $r_obj tx_max $rate \
648 $DEBUGFS_DIR/ports/${r_obj##*/}/tx_max
649 rate=$(($rate+100))
650 done
651
652 local node1_name='group1'
653 local node1="$DL_HANDLE/$node1_name"
654 rate_node_add "$node1"
655 check_err $? "Failed to add node $node1"
656
657 local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w`
658 [ $num_nodes == 1 ]
659 check_err $? "Expected 1 rate node in output but got $num_nodes"
660
661 local node_tx_share=10
662 rate_attr_tx_rate_check $node1 tx_share $node_tx_share \
663 $DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_share
664
665 local node_tx_max=100
666 rate_attr_tx_rate_check $node1 tx_max $node_tx_max \
667 $DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_max
668
669 rate_node_del "$node1"
670 check_err $? "Failed to delete node $node1"
671 local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w`
672 [ $num_nodes == 0 ]
673 check_err $? "Expected 0 rate node but got $num_nodes"
674
675 local node1_name='group1'
676 local node1="$DL_HANDLE/$node1_name"
677 rate_node_add "$node1"
678 check_err $? "Failed to add node $node1"
679
680 rate_attr_parent_check $r_obj $node1_name \
681 $DEBUGFS_DIR/ports/${r_obj##*/}/rate_parent
682
683 local node2_name='group2'
684 local node2="$DL_HANDLE/$node2_name"
685 rate_node_add "$node2"
686 check_err $? "Failed to add node $node2"
687
688 rate_attr_parent_check $node2 $node1_name \
689 $DEBUGFS_DIR/rate_nodes/$node2_name/rate_parent
690 rate_node_del "$node2"
691 check_err $? "Failed to delete node $node2"
692 rate_attr_set "$r_obj" noparent
693 check_err $? "Failed to unset $r_obj parent node"
694 rate_node_del "$node1"
695 check_err $? "Failed to delete node $node1"
696
697 log_test "rate test"
698}
699
700setup_prepare()
701{
702 modprobe netdevsim
703 echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
704 while [ ! -d $SYSFS_NET_DIR ] ; do :; done
705}
706
707cleanup()
708{
709 pre_cleanup
710 echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
711 modprobe -r netdevsim
712}
713
714trap cleanup EXIT
715
716setup_prepare
717
718tests_run
719
720exit $EXIT_STATUS