summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
blob: 025a84c2ab5a4210e3bfdd02171e2bd9a34f1d87 (plain)
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
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

lib_dir=$(dirname $0)/../../../net/forwarding

ALL_TESTS="fw_flash_test params_test regions_test reload_test \
	   netns_reload_test resource_test dev_info_test \
	   empty_reporter_test dummy_reporter_test"
NUM_NETIFS=0
source $lib_dir/lib.sh

BUS_ADDR=10
PORT_COUNT=4
DEV_NAME=netdevsim$BUS_ADDR
SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
DL_HANDLE=netdevsim/$DEV_NAME

fw_flash_test()
{
	RET=0

	devlink dev flash $DL_HANDLE file dummy
	check_err $? "Failed to flash with status updates on"

	echo "n"> $DEBUGFS_DIR/fw_update_status
	check_err $? "Failed to disable status updates"

	devlink dev flash $DL_HANDLE file dummy
	check_err $? "Failed to flash with status updates off"

	log_test "fw flash test"
}

param_get()
{
	local name=$1

	cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \
	       '.[][][].values[] | select(.cmode == "driverinit").value'
}

param_set()
{
	local name=$1
	local value=$2

	devlink dev param set $DL_HANDLE name $name cmode driverinit value $value
}

check_value()
{
	local name=$1
	local phase_name=$2
	local expected_param_value=$3
	local expected_debugfs_value=$4
	local value

	value=$(param_get $name)
	check_err $? "Failed to get $name param value"
	[ "$value" == "$expected_param_value" ]
	check_err $? "Unexpected $phase_name $name param value"
	value=$(<$DEBUGFS_DIR/$name)
	check_err $? "Failed to get $name debugfs value"
	[ "$value" == "$expected_debugfs_value" ]
	check_err $? "Unexpected $phase_name $name debugfs value"
}

params_test()
{
	RET=0

	local max_macs
	local test1

	check_value max_macs initial 32 32
	check_value test1 initial true Y

	param_set max_macs 16
	check_err $? "Failed to set max_macs param value"
	param_set test1 false
	check_err $? "Failed to set test1 param value"

	check_value max_macs post-set 16 32
	check_value test1 post-set false Y

	devlink dev reload $DL_HANDLE

	check_value max_macs post-reload 16 16
	check_value test1 post-reload false N

	log_test "params test"
}

check_region_size()
{
	local name=$1
	local size

	size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size')
	check_err $? "Failed to get $name region size"
	[ $size -eq 32768 ]
	check_err $? "Invalid $name region size"
}

check_region_snapshot_count()
{
	local name=$1
	local phase_name=$2
	local expected_count=$3
	local count

	count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length')
	[ $count -eq $expected_count ]
	check_err $? "Unexpected $phase_name snapshot count"
}

regions_test()
{
	RET=0

	local count

	check_region_size dummy
	check_region_snapshot_count dummy initial 0

	echo ""> $DEBUGFS_DIR/take_snapshot
	check_err $? "Failed to take first dummy region snapshot"
	check_region_snapshot_count dummy post-first-snapshot 1

	echo ""> $DEBUGFS_DIR/take_snapshot
	check_err $? "Failed to take second dummy region snapshot"
	check_region_snapshot_count dummy post-second-snapshot 2

	echo ""> $DEBUGFS_DIR/take_snapshot
	check_err $? "Failed to take third dummy region snapshot"
	check_region_snapshot_count dummy post-third-snapshot 3

	devlink region del $DL_HANDLE/dummy snapshot 1
	check_err $? "Failed to delete first dummy region snapshot"

	check_region_snapshot_count dummy post-first-delete 2

	log_test "regions test"
}

reload_test()
{
	RET=0

	devlink dev reload $DL_HANDLE
	check_err $? "Failed to reload"

	echo "y"> $DEBUGFS_DIR/fail_reload
	check_err $? "Failed to setup devlink reload to fail"

	devlink dev reload $DL_HANDLE
	check_fail $? "Unexpected success of devlink reload"

	echo "n"> $DEBUGFS_DIR/fail_reload
	check_err $? "Failed to setup devlink reload not to fail"

	devlink dev reload $DL_HANDLE
	check_err $? "Failed to reload after set not to fail"

	echo "y"> $DEBUGFS_DIR/dont_allow_reload
	check_err $? "Failed to forbid devlink reload"

	devlink dev reload $DL_HANDLE
	check_fail $? "Unexpected success of devlink reload"

	echo "n"> $DEBUGFS_DIR/dont_allow_reload
	check_err $? "Failed to re-enable devlink reload"

	devlink dev reload $DL_HANDLE
	check_err $? "Failed to reload after re-enable"

	log_test "reload test"
}

netns_reload_test()
{
	RET=0

	ip netns add testns1
	check_err $? "Failed add netns \"testns1\""
	ip netns add testns2
	check_err $? "Failed add netns \"testns2\""

	devlink dev reload $DL_HANDLE netns testns1
	check_err $? "Failed to reload into netns \"testns1\""

	devlink -N testns1 dev reload $DL_HANDLE netns testns2
	check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\""

	ip netns del testns2
	ip netns del testns1

	log_test "netns reload test"
}

DUMMYDEV="dummytest"

res_val_get()
{
	local netns=$1
	local parentname=$2
	local name=$3
	local type=$4

	cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \
	       ".[][][] | select(.name == \"$parentname\").resources[] \
	        | select(.name == \"$name\").$type"
}

resource_test()
{
	RET=0

	ip netns add testns1
	check_err $? "Failed add netns \"testns1\""
	ip netns add testns2
	check_err $? "Failed add netns \"testns2\""

	devlink dev reload $DL_HANDLE netns testns1
	check_err $? "Failed to reload into netns \"testns1\""

	# Create dummy dev to add the address and routes on.

	ip -n testns1 link add name $DUMMYDEV type dummy
	check_err $? "Failed create dummy device"
	ip -n testns1 link set $DUMMYDEV up
	check_err $? "Failed bring up dummy device"
	ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV
	check_err $? "Failed add an IP address to dummy device"

	local occ=$(res_val_get testns1 IPv4 fib occ)
	local limit=$((occ+1))

	# Set fib size limit to handle one another route only.

	devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit
	check_err $? "Failed to set IPv4/fib resource size"
	local size_new=$(res_val_get testns1 IPv4 fib size_new)
	[ "$size_new" -eq "$limit" ]
	check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)"

	devlink -N testns1 dev reload $DL_HANDLE
	check_err $? "Failed to reload"
	local size=$(res_val_get testns1 IPv4 fib size)
	[ "$size" -eq "$limit" ]
	check_err $? "Unexpected \"size\" value (got $size, expected $limit)"

	# Insert 2 routes, the first is going to be inserted,
	# the second is expected to fail to be inserted.

	ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2
	check_err $? "Failed to add route"

	ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2
	check_fail $? "Unexpected successful route add over limit"

	# Now create another dummy in second network namespace and
	# insert two routes. That is over the limit of the netdevsim
	# instance in the first namespace. Move the netdevsim instance
	# into the second namespace and expect it to fail.

	ip -n testns2 link add name $DUMMYDEV type dummy
	check_err $? "Failed create dummy device"
	ip -n testns2 link set $DUMMYDEV up
	check_err $? "Failed bring up dummy device"
	ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV
	check_err $? "Failed add an IP address to dummy device"
	ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2
	check_err $? "Failed to add route"
	ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2
	check_err $? "Failed to add route"

	devlink -N testns1 dev reload $DL_HANDLE netns testns2
	check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\""

	devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1'
	check_err $? "Failed to reset IPv4/fib resource size"

	devlink -N testns2 dev reload $DL_HANDLE netns 1
	check_err $? "Failed to reload devlink back"

	ip netns del testns2
	ip netns del testns1

	log_test "resource test"
}

info_get()
{
	local name=$1

	cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e"
}

dev_info_test()
{
	RET=0

	driver=$(info_get "driver")
	check_err $? "Failed to get driver name"
	[ "$driver" == "netdevsim" ]
	check_err $? "Unexpected driver name $driver"

	log_test "dev_info test"
}

empty_reporter_test()
{
	RET=0

	devlink health show $DL_HANDLE reporter empty >/dev/null
	check_err $? "Failed show empty reporter"

	devlink health dump show $DL_HANDLE reporter empty >/dev/null
	check_err $? "Failed show dump of empty reporter"

	devlink health diagnose $DL_HANDLE reporter empty >/dev/null
	check_err $? "Failed diagnose empty reporter"

	devlink health recover $DL_HANDLE reporter empty
	check_err $? "Failed recover empty reporter"

	log_test "empty reporter test"
}

check_reporter_info()
{
	local name=$1
	local expected_state=$2
	local expected_error=$3
	local expected_recover=$4
	local expected_grace_period=$5
	local expected_auto_recover=$6

	local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]")
	check_err $? "Failed show $name reporter"

	local state=$(echo $show | jq -r ".state")
	[ "$state" == "$expected_state" ]
	check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)"

	local error=$(echo $show | jq -r ".error")
	[ "$error" == "$expected_error" ]
	check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)"

	local recover=`echo $show | jq -r ".recover"`
	[ "$recover" == "$expected_recover" ]
	check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)"

	local grace_period=$(echo $show | jq -r ".grace_period")
	check_err $? "Failed get $name reporter grace_period"
	[ "$grace_period" == "$expected_grace_period" ]
	check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)"

	local auto_recover=$(echo $show | jq -r ".auto_recover")
	[ "$auto_recover" == "$expected_auto_recover" ]
	check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)"
}

dummy_reporter_test()
{
	RET=0

	check_reporter_info dummy healthy 0 0 0 false

	local BREAK_MSG="foo bar"
	echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
	check_err $? "Failed to break dummy reporter"

	check_reporter_info dummy error 1 0 0 false

	local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
	check_err $? "Failed show dump of dummy reporter"

	local dump_break_msg=$(echo $dump | jq -r ".break_message")
	[ "$dump_break_msg" == "$BREAK_MSG" ]
	check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)"

	devlink health dump clear $DL_HANDLE reporter dummy
	check_err $? "Failed clear dump of dummy reporter"

	devlink health recover $DL_HANDLE reporter dummy
	check_err $? "Failed recover dummy reporter"

	check_reporter_info dummy healthy 1 1 0 false

	devlink health set $DL_HANDLE reporter dummy auto_recover true
	check_err $? "Failed to dummy reporter auto_recover option"

	check_reporter_info dummy healthy 1 1 0 true

	echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
	check_err $? "Failed to break dummy reporter"

	check_reporter_info dummy healthy 2 2 0 true

	local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p)
	check_err $? "Failed show diagnose of dummy reporter"

	local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message")
	[ "$rcvrd_break_msg" == "$BREAK_MSG" ]
	check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)"

	devlink health set $DL_HANDLE reporter dummy grace_period 10
	check_err $? "Failed to dummy reporter grace_period option"

	check_reporter_info dummy healthy 2 2 10 true

	echo "Y"> $DEBUGFS_DIR/health/fail_recover
	check_err $? "Failed set dummy reporter recovery to fail"

	echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health
	check_fail $? "Unexpected success of dummy reporter break"

	check_reporter_info dummy error 3 2 10 true

	devlink health recover $DL_HANDLE reporter dummy
	check_fail $? "Unexpected success of dummy reporter recover"

	echo "N"> $DEBUGFS_DIR/health/fail_recover
	check_err $? "Failed set dummy reporter recovery to be successful"

	devlink health recover $DL_HANDLE reporter dummy
	check_err $? "Failed recover dummy reporter"

	check_reporter_info dummy healthy 3 3 10 true

	echo 8192> $DEBUGFS_DIR/health/binary_len
	check_fail $? "Failed set dummy reporter binary len to 8192"

	local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j)
	check_err $? "Failed show dump of dummy reporter"

	devlink health dump clear $DL_HANDLE reporter dummy
	check_err $? "Failed clear dump of dummy reporter"

	log_test "dummy reporter test"
}

setup_prepare()
{
	modprobe netdevsim
	echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
	while [ ! -d $SYSFS_NET_DIR ] ; do :; done
}

cleanup()
{
	pre_cleanup
	echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
	modprobe -r netdevsim
}

trap cleanup EXIT

setup_prepare

tests_run

exit $EXIT_STATUS