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