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TOMOYO Linux Cross Reference
Linux/tools/testing/selftests/drivers/net/netdevsim/devlink.sh

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #!/bin/bash
  2 # SPDX-License-Identifier: GPL-2.0
  3 
  4 lib_dir=$(dirname $0)/../../../net/forwarding
  5 
  6 ALL_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"
  9 NUM_NETIFS=0
 10 source $lib_dir/lib.sh
 11 
 12 BUS_ADDR=10
 13 PORT_COUNT=4
 14 VF_COUNT=4
 15 DEV_NAME=netdevsim$BUS_ADDR
 16 SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
 17 DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
 18 DL_HANDLE=netdevsim/$DEV_NAME
 19 
 20 wait_for_devlink()
 21 {
 22         "$@" | grep -q $DL_HANDLE
 23 }
 24 
 25 devlink_wait()
 26 {
 27         local timeout=$1
 28 
 29         busywait "$timeout" wait_for_devlink devlink dev
 30 }
 31 
 32 fw_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 
 76 param_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 
 84 param_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 
 92 check_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 
110 params_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 
136 check_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 
147 check_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 
159 regions_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 
226 reload_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 
260 netns_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 
284 DUMMYDEV="dummytest"
285 
286 res_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 
298 resource_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 
379 info_get()
380 {
381         local name=$1
382 
383         cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e"
384 }
385 
386 dev_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 
398 empty_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 
417 check_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 
451 dummy_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 
536 rate_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 
544 rate_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 
552 rate_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 
562 rate_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 
570 rate_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 
591 rate_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 
611 rate_node_add()
612 {
613         local handle=$1
614 
615         devlink port function rate add $handle
616 }
617 
618 rate_node_del()
619 {
620         local handle=$1
621 
622         devlink port function rate del $handle
623 }
624 
625 rate_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 $node1"
696 
697         log_test "rate test"
698 }
699 
700 setup_prepare()
701 {
702         modprobe netdevsim
703         echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
704         while [ ! -d $SYSFS_NET_DIR ] ; do :; done
705 }
706 
707 cleanup()
708 {
709         pre_cleanup
710         echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
711         modprobe -r netdevsim
712 }
713 
714 trap cleanup EXIT
715 
716 setup_prepare
717 
718 tests_run
719 
720 exit $EXIT_STATUS

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