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"
9NUM_NETIFS=0
10source $lib_dir/lib.sh
11
12BUS_ADDR=10
13PORT_COUNT=4
14DEV_NAME=netdevsim$BUS_ADDR
15SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
16DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
17DL_HANDLE=netdevsim/$DEV_NAME
18
19fw_flash_test()
20{
21 RET=0
22
23 devlink dev flash $DL_HANDLE file dummy
24 check_err $? "Failed to flash with status updates on"
25
26 echo "n"> $DEBUGFS_DIR/fw_update_status
27 check_err $? "Failed to disable status updates"
28
29 devlink dev flash $DL_HANDLE file dummy
30 check_err $? "Failed to flash with status updates off"
31
32 log_test "fw flash test"
33}
34
35param_get()
36{
37 local name=$1
38
39 cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \
40 '.[][][].values[] | select(.cmode == "driverinit").value'
41}
42
43param_set()
44{
45 local name=$1
46 local value=$2
47
48 devlink dev param set $DL_HANDLE name $name cmode driverinit value $value
49}
50
51check_value()
52{
53 local name=$1
54 local phase_name=$2
55 local expected_param_value=$3
56 local expected_debugfs_value=$4
57 local value
58
59 value=$(param_get $name)
60 check_err $? "Failed to get $name param value"
61 [ "$value" == "$expected_param_value" ]
62 check_err $? "Unexpected $phase_name $name param value"
63 value=$(<$DEBUGFS_DIR/$name)
64 check_err $? "Failed to get $name debugfs value"
65 [ "$value" == "$expected_debugfs_value" ]
66 check_err $? "Unexpected $phase_name $name debugfs value"
67}
68
69params_test()
70{
71 RET=0
72
73 local max_macs
74 local test1
75
76 check_value max_macs initial 32 32
77 check_value test1 initial true Y
78
79 param_set max_macs 16
80 check_err $? "Failed to set max_macs param value"
81 param_set test1 false
82 check_err $? "Failed to set test1 param value"
83
84 check_value max_macs post-set 16 32
85 check_value test1 post-set false Y
86
87 devlink dev reload $DL_HANDLE
88
89 check_value max_macs post-reload 16 16
90 check_value test1 post-reload false N
91
92 log_test "params test"
93}
94
95check_region_size()
96{
97 local name=$1
98 local size
99
100 size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size')
101 check_err $? "Failed to get $name region size"
102 [ $size -eq 32768 ]
103 check_err $? "Invalid $name region size"
104}
105
106check_region_snapshot_count()
107{
108 local name=$1
109 local phase_name=$2
110 local expected_count=$3
111 local count
112
113 count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length')
114 [ $count -eq $expected_count ]
115 check_err $? "Unexpected $phase_name snapshot count"
116}
117
118regions_test()
119{
120 RET=0
121
122 local count
123
124 check_region_size dummy
125 check_region_snapshot_count dummy initial 0
126
127 echo ""> $DEBUGFS_DIR/take_snapshot
128 check_err $? "Failed to take first dummy region snapshot"
129 check_region_snapshot_count dummy post-first-snapshot 1
130
131 echo ""> $DEBUGFS_DIR/take_snapshot
132 check_err $? "Failed to take second dummy region snapshot"
133 check_region_snapshot_count dummy post-second-snapshot 2
134
135 echo ""> $DEBUGFS_DIR/take_snapshot
136 check_err $? "Failed to take third dummy region snapshot"
137 check_region_snapshot_count dummy post-third-snapshot 3
138
139 devlink region del $DL_HANDLE/dummy snapshot 1
140 check_err $? "Failed to delete first dummy region snapshot"
141
142 check_region_snapshot_count dummy post-first-delete 2
143
144 devlink region new $DL_HANDLE/dummy snapshot 25
145 check_err $? "Failed to create a new snapshot with id 25"
146
147 check_region_snapshot_count dummy post-first-request 3
148
149 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null
150 check_err $? "Failed to dump snapshot with id 25"
151
152 devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null
153 check_err $? "Failed to read snapshot with id 25 (1 byte)"
154
155 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null
156 check_err $? "Failed to read snapshot with id 25 (128 bytes)"
157
158 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null
159 check_err $? "Failed to read snapshot with id 25 (oversized)"
160
161 devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1
162 check_fail $? "Bad read of snapshot with id 25 did not fail"
163
164 devlink region del $DL_HANDLE/dummy snapshot 25
165 check_err $? "Failed to delete snapshot with id 25"
166
167 check_region_snapshot_count dummy post-second-delete 2
168
169 sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]')
170 check_err $? "Failed to create a new snapshot with id allocated by the kernel"
171
172 check_region_snapshot_count dummy post-first-request 3
173
174 devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null
175 check_err $? "Failed to dump a snapshot with id allocated by the kernel"
176
177 devlink region del $DL_HANDLE/dummy snapshot $sid
178 check_err $? "Failed to delete snapshot with id allocated by the kernel"
179
180 check_region_snapshot_count dummy post-first-request 2
181
182 log_test "regions test"
183}
184
185reload_test()
186{
187 RET=0
188
189 devlink dev reload $DL_HANDLE
190 check_err $? "Failed to reload"
191
192 echo "y"> $DEBUGFS_DIR/fail_reload
193 check_err $? "Failed to setup devlink reload to fail"
194
195 devlink dev reload $DL_HANDLE
196 check_fail $? "Unexpected success of devlink reload"
197
198 echo "n"> $DEBUGFS_DIR/fail_reload
199 check_err $? "Failed to setup devlink reload not to fail"
200
201 devlink dev reload $DL_HANDLE
202 check_err $? "Failed to reload after set not to fail"
203
204 echo "y"> $DEBUGFS_DIR/dont_allow_reload
205 check_err $? "Failed to forbid devlink reload"
206
207 devlink dev reload $DL_HANDLE
208 check_fail $? "Unexpected success of devlink reload"
209
210 echo "n"> $DEBUGFS_DIR/dont_allow_reload
211 check_err $? "Failed to re-enable devlink reload"
212
213 devlink dev reload $DL_HANDLE
214 check_err $? "Failed to reload after re-enable"
215
216 log_test "reload test"
217}
218
219netns_reload_test()
220{
221 RET=0
222
223 ip netns add testns1
224 check_err $? "Failed add netns \"testns1\""
225 ip netns add testns2
226 check_err $? "Failed add netns \"testns2\""
227
228 devlink dev reload $DL_HANDLE netns testns1
229 check_err $? "Failed to reload into netns \"testns1\""
230
231 devlink -N testns1 dev reload $DL_HANDLE netns testns2
232 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\""
233
234 ip netns del testns2
235 ip netns del testns1
236
237 log_test "netns reload test"
238}
239
240DUMMYDEV="dummytest"
241
242res_val_get()
243{
244 local netns=$1
245 local parentname=$2
246 local name=$3
247 local type=$4
248
249 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \
250 ".[][][] | select(.name == \"$parentname\").resources[] \
251 | select(.name == \"$name\").$type"
252}
253
254resource_test()
255{
256 RET=0
257
258 ip netns add testns1
259 check_err $? "Failed add netns \"testns1\""
260 ip netns add testns2
261 check_err $? "Failed add netns \"testns2\""
262
263 devlink dev reload $DL_HANDLE netns testns1
264 check_err $? "Failed to reload into netns \"testns1\""
265
266 # Create dummy dev to add the address and routes on.
267
268 ip -n testns1 link add name $DUMMYDEV type dummy
269 check_err $? "Failed create dummy device"
270 ip -n testns1 link set $DUMMYDEV up
271 check_err $? "Failed bring up dummy device"
272 ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV
273 check_err $? "Failed add an IP address to dummy device"
274
275 local occ=$(res_val_get testns1 IPv4 fib occ)
276 local limit=$((occ+1))
277
278 # Set fib size limit to handle one another route only.
279
280 devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit
281 check_err $? "Failed to set IPv4/fib resource size"
282 local size_new=$(res_val_get testns1 IPv4 fib size_new)
283 [ "$size_new" -eq "$limit" ]
284 check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)"
285
286 devlink -N testns1 dev reload $DL_HANDLE
287 check_err $? "Failed to reload"
288 local size=$(res_val_get testns1 IPv4 fib size)
289 [ "$size" -eq "$limit" ]
290 check_err $? "Unexpected \"size\" value (got $size, expected $limit)"
291
292 # Insert 2 routes, the first is going to be inserted,
293 # the second is expected to fail to be inserted.
294
295 ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2
296 check_err $? "Failed to add route"
297
298 ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2
299 check_fail $? "Unexpected successful route add over limit"
300
301 # Now create another dummy in second network namespace and
302 # insert two routes. That is over the limit of the netdevsim
303 # instance in the first namespace. Move the netdevsim instance
304 # into the second namespace and expect it to fail.
305
306 ip -n testns2 link add name $DUMMYDEV type dummy
307 check_err $? "Failed create dummy device"
308 ip -n testns2 link set $DUMMYDEV up
309 check_err $? "Failed bring up dummy device"
310 ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV
311 check_err $? "Failed add an IP address to dummy device"
312 ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2
313 check_err $? "Failed to add route"
314 ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2
315 check_err $? "Failed to add route"
316
317 devlink -N testns1 dev reload $DL_HANDLE netns testns2
318 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\""
319
320 devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1'
321 check_err $? "Failed to reset IPv4/fib resource size"
322
323 devlink -N testns2 dev reload $DL_HANDLE netns 1
324 check_err $? "Failed to reload devlink back"
325
326 ip netns del testns2
327 ip netns del testns1
328
329 log_test "resource test"
330}
331
332info_get()
333{
334 local name=$1
335
336 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e"
337}
338
339dev_info_test()
340{
341 RET=0
342
343 driver=$(info_get "driver")
344 check_err $? "Failed to get driver name"
345 [ "$driver" == "netdevsim" ]
346 check_err $? "Unexpected driver name $driver"
347
348 log_test "dev_info test"
349}
350
351empty_reporter_test()
352{
353 RET=0
354
355 devlink health show $DL_HANDLE reporter empty >/dev/null
356 check_err $? "Failed show empty reporter"
357
358 devlink health dump show $DL_HANDLE reporter empty >/dev/null
359 check_err $? "Failed show dump of empty reporter"
360
361 devlink health diagnose $DL_HANDLE reporter empty >/dev/null
362 check_err $? "Failed diagnose empty reporter"
363
364 devlink health recover $DL_HANDLE reporter empty
365 check_err $? "Failed recover empty reporter"
366
367 log_test "empty reporter test"
368}
369
370check_reporter_info()
371{
372 local name=$1
373 local expected_state=$2
374 local expected_error=$3
375 local expected_recover=$4
376 local expected_grace_period=$5
377 local expected_auto_recover=$6
378
379 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]")
380 check_err $? "Failed show $name reporter"
381
382 local state=$(echo $show | jq -r ".state")
383 [ "$state" == "$expected_state" ]
384 check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)"
385
386 local error=$(echo $show | jq -r ".error")
387 [ "$error" == "$expected_error" ]
388 check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)"
389
390 local recover=`echo $show | jq -r ".recover"`
391 [ "$recover" == "$expected_recover" ]
392 check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)"
393
394 local grace_period=$(echo $show | jq -r ".grace_period")
395 check_err $? "Failed get $name reporter grace_period"
396 [ "$grace_period" == "$expected_grace_period" ]
397 check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)"
398
399 local auto_recover=$(echo $show | jq -r ".auto_recover")
400 [ "$auto_recover" == "$expected_auto_recover" ]
401 check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)"
402}
403
404dummy_reporter_test()
405{
406 RET=0
407
408 check_reporter_info dummy healthy 0 0 0 true
409
410 devlink health set $DL_HANDLE reporter dummy auto_recover false
411 check_err $? "Failed to dummy reporter auto_recover option"
412
413 check_reporter_info dummy healthy 0 0 0 false
414
415 local BREAK_MSG="foo bar"
416 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
417 check_err $? "Failed to break dummy reporter"
418
419 check_reporter_info dummy error 1 0 0 false
420
421 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
422 check_err $? "Failed show dump of dummy reporter"
423
424 local dump_break_msg=$(echo $dump | jq -r ".break_message")
425 [ "$dump_break_msg" == "$BREAK_MSG" ]
426 check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)"
427
428 devlink health dump clear $DL_HANDLE reporter dummy
429 check_err $? "Failed clear dump of dummy reporter"
430
431 devlink health recover $DL_HANDLE reporter dummy
432 check_err $? "Failed recover dummy reporter"
433
434 check_reporter_info dummy healthy 1 1 0 false
435
436 devlink health set $DL_HANDLE reporter dummy auto_recover true
437 check_err $? "Failed to dummy reporter auto_recover option"
438
439 check_reporter_info dummy healthy 1 1 0 true
440
441 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
442 check_err $? "Failed to break dummy reporter"
443
444 check_reporter_info dummy healthy 2 2 0 true
445
446 local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p)
447 check_err $? "Failed show diagnose of dummy reporter"
448
449 local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message")
450 [ "$rcvrd_break_msg" == "$BREAK_MSG" ]
451 check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)"
452
453 devlink health set $DL_HANDLE reporter dummy grace_period 10
454 check_err $? "Failed to dummy reporter grace_period option"
455
456 check_reporter_info dummy healthy 2 2 10 true
457
458 echo "Y"> $DEBUGFS_DIR/health/fail_recover
459 check_err $? "Failed set dummy reporter recovery to fail"
460
461 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
462 check_fail $? "Unexpected success of dummy reporter break"
463
464 check_reporter_info dummy error 3 2 10 true
465
466 devlink health recover $DL_HANDLE reporter dummy
467 check_fail $? "Unexpected success of dummy reporter recover"
468
469 echo "N"> $DEBUGFS_DIR/health/fail_recover
470 check_err $? "Failed set dummy reporter recovery to be successful"
471
472 devlink health recover $DL_HANDLE reporter dummy
473 check_err $? "Failed recover dummy reporter"
474
475 check_reporter_info dummy healthy 3 3 10 true
476
477 echo 8192> $DEBUGFS_DIR/health/binary_len
478 check_fail $? "Failed set dummy reporter binary len to 8192"
479
480 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
481 check_err $? "Failed show dump of dummy reporter"
482
483 devlink health dump clear $DL_HANDLE reporter dummy
484 check_err $? "Failed clear dump of dummy reporter"
485
486 log_test "dummy reporter test"
487}
488
489setup_prepare()
490{
491 modprobe netdevsim
492 echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
493 while [ ! -d $SYSFS_NET_DIR ] ; do :; done
494}
495
496cleanup()
497{
498 pre_cleanup
499 echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
500 modprobe -r netdevsim
501}
502
503trap cleanup EXIT
504
505setup_prepare
506
507tests_run
508
509exit $EXIT_STATUS