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 devlink dev flash $DL_HANDLE file dummy component fw.mgmt 27 check_err $? "Failed to flash with component attribute" 28 29 devlink dev flash $DL_HANDLE file dummy overwrite settings 30 check_fail $? "Flash with overwrite settings should be rejected" 31 32 echo "1"> $DEBUGFS_DIR/fw_update_overwrite_mask 33 check_err $? "Failed to change allowed overwrite mask" 34 35 devlink dev flash $DL_HANDLE file dummy overwrite settings 36 check_err $? "Failed to flash with settings overwrite enabled" 37 38 devlink dev flash $DL_HANDLE file dummy overwrite identifiers 39 check_fail $? "Flash with overwrite settings should be identifiers" 40 41 echo "3"> $DEBUGFS_DIR/fw_update_overwrite_mask 42 check_err $? "Failed to change allowed overwrite mask" 43 44 devlink dev flash $DL_HANDLE file dummy overwrite identifiers overwrite settings 45 check_err $? "Failed to flash with settings and identifiers overwrite enabled" 46 47 echo "n"> $DEBUGFS_DIR/fw_update_status 48 check_err $? "Failed to disable status updates" 49 50 devlink dev flash $DL_HANDLE file dummy 51 check_err $? "Failed to flash with status updates off" 52 53 log_test "fw flash test" 54} 55 56param_get() 57{ 58 local name=$1 59 60 cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \ 61 '.[][][].values[] | select(.cmode == "driverinit").value' 62} 63 64param_set() 65{ 66 local name=$1 67 local value=$2 68 69 devlink dev param set $DL_HANDLE name $name cmode driverinit value $value 70} 71 72check_value() 73{ 74 local name=$1 75 local phase_name=$2 76 local expected_param_value=$3 77 local expected_debugfs_value=$4 78 local value 79 80 value=$(param_get $name) 81 check_err $? "Failed to get $name param value" 82 [ "$value" == "$expected_param_value" ] 83 check_err $? "Unexpected $phase_name $name param value" 84 value=$(<$DEBUGFS_DIR/$name) 85 check_err $? "Failed to get $name debugfs value" 86 [ "$value" == "$expected_debugfs_value" ] 87 check_err $? "Unexpected $phase_name $name debugfs value" 88} 89 90params_test() 91{ 92 RET=0 93 94 local max_macs 95 local test1 96 97 check_value max_macs initial 32 32 98 check_value test1 initial true Y 99 100 param_set max_macs 16 101 check_err $? "Failed to set max_macs param value" 102 param_set test1 false 103 check_err $? "Failed to set test1 param value" 104 105 check_value max_macs post-set 16 32 106 check_value test1 post-set false Y 107 108 devlink dev reload $DL_HANDLE 109 110 check_value max_macs post-reload 16 16 111 check_value test1 post-reload false N 112 113 log_test "params test" 114} 115 116check_region_size() 117{ 118 local name=$1 119 local size 120 121 size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size') 122 check_err $? "Failed to get $name region size" 123 [ $size -eq 32768 ] 124 check_err $? "Invalid $name region size" 125} 126 127check_region_snapshot_count() 128{ 129 local name=$1 130 local phase_name=$2 131 local expected_count=$3 132 local count 133 134 count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length') 135 [ $count -eq $expected_count ] 136 check_err $? "Unexpected $phase_name snapshot count" 137} 138 139regions_test() 140{ 141 RET=0 142 143 local count 144 145 check_region_size dummy 146 check_region_snapshot_count dummy initial 0 147 148 echo ""> $DEBUGFS_DIR/take_snapshot 149 check_err $? "Failed to take first dummy region snapshot" 150 check_region_snapshot_count dummy post-first-snapshot 1 151 152 echo ""> $DEBUGFS_DIR/take_snapshot 153 check_err $? "Failed to take second dummy region snapshot" 154 check_region_snapshot_count dummy post-second-snapshot 2 155 156 echo ""> $DEBUGFS_DIR/take_snapshot 157 check_err $? "Failed to take third dummy region snapshot" 158 check_region_snapshot_count dummy post-third-snapshot 3 159 160 devlink region del $DL_HANDLE/dummy snapshot 1 161 check_err $? "Failed to delete first dummy region snapshot" 162 163 check_region_snapshot_count dummy post-first-delete 2 164 165 devlink region new $DL_HANDLE/dummy snapshot 25 166 check_err $? "Failed to create a new snapshot with id 25" 167 168 check_region_snapshot_count dummy post-first-request 3 169 170 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null 171 check_err $? "Failed to dump snapshot with id 25" 172 173 devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null 174 check_err $? "Failed to read snapshot with id 25 (1 byte)" 175 176 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null 177 check_err $? "Failed to read snapshot with id 25 (128 bytes)" 178 179 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null 180 check_err $? "Failed to read snapshot with id 25 (oversized)" 181 182 devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1 183 check_fail $? "Bad read of snapshot with id 25 did not fail" 184 185 devlink region del $DL_HANDLE/dummy snapshot 25 186 check_err $? "Failed to delete snapshot with id 25" 187 188 check_region_snapshot_count dummy post-second-delete 2 189 190 sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]') 191 check_err $? "Failed to create a new snapshot with id allocated by the kernel" 192 193 check_region_snapshot_count dummy post-first-request 3 194 195 devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null 196 check_err $? "Failed to dump a snapshot with id allocated by the kernel" 197 198 devlink region del $DL_HANDLE/dummy snapshot $sid 199 check_err $? "Failed to delete snapshot with id allocated by the kernel" 200 201 check_region_snapshot_count dummy post-first-request 2 202 203 log_test "regions test" 204} 205 206reload_test() 207{ 208 RET=0 209 210 devlink dev reload $DL_HANDLE 211 check_err $? "Failed to reload" 212 213 echo "y"> $DEBUGFS_DIR/fail_reload 214 check_err $? "Failed to setup devlink reload to fail" 215 216 devlink dev reload $DL_HANDLE 217 check_fail $? "Unexpected success of devlink reload" 218 219 echo "n"> $DEBUGFS_DIR/fail_reload 220 check_err $? "Failed to setup devlink reload not to fail" 221 222 devlink dev reload $DL_HANDLE 223 check_err $? "Failed to reload after set not to fail" 224 225 echo "y"> $DEBUGFS_DIR/dont_allow_reload 226 check_err $? "Failed to forbid devlink reload" 227 228 devlink dev reload $DL_HANDLE 229 check_fail $? "Unexpected success of devlink reload" 230 231 echo "n"> $DEBUGFS_DIR/dont_allow_reload 232 check_err $? "Failed to re-enable devlink reload" 233 234 devlink dev reload $DL_HANDLE 235 check_err $? "Failed to reload after re-enable" 236 237 log_test "reload test" 238} 239 240netns_reload_test() 241{ 242 RET=0 243 244 ip netns add testns1 245 check_err $? "Failed add netns \"testns1\"" 246 ip netns add testns2 247 check_err $? "Failed add netns \"testns2\"" 248 249 devlink dev reload $DL_HANDLE netns testns1 250 check_err $? "Failed to reload into netns \"testns1\"" 251 252 devlink -N testns1 dev reload $DL_HANDLE netns testns2 253 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\"" 254 255 ip netns del testns2 256 ip netns del testns1 257 258 log_test "netns reload test" 259} 260 261DUMMYDEV="dummytest" 262 263res_val_get() 264{ 265 local netns=$1 266 local parentname=$2 267 local name=$3 268 local type=$4 269 270 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \ 271 ".[][][] | select(.name == \"$parentname\").resources[] \ 272 | select(.name == \"$name\").$type" 273} 274 275resource_test() 276{ 277 RET=0 278 279 ip netns add testns1 280 check_err $? "Failed add netns \"testns1\"" 281 ip netns add testns2 282 check_err $? "Failed add netns \"testns2\"" 283 284 devlink dev reload $DL_HANDLE netns testns1 285 check_err $? "Failed to reload into netns \"testns1\"" 286 287 # Create dummy dev to add the address and routes on. 288 289 ip -n testns1 link add name $DUMMYDEV type dummy 290 check_err $? "Failed create dummy device" 291 ip -n testns1 link set $DUMMYDEV up 292 check_err $? "Failed bring up dummy device" 293 ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV 294 check_err $? "Failed add an IP address to dummy device" 295 296 local occ=$(res_val_get testns1 IPv4 fib occ) 297 local limit=$((occ+1)) 298 299 # Set fib size limit to handle one another route only. 300 301 devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit 302 check_err $? "Failed to set IPv4/fib resource size" 303 local size_new=$(res_val_get testns1 IPv4 fib size_new) 304 [ "$size_new" -eq "$limit" ] 305 check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)" 306 307 devlink -N testns1 dev reload $DL_HANDLE 308 check_err $? "Failed to reload" 309 local size=$(res_val_get testns1 IPv4 fib size) 310 [ "$size" -eq "$limit" ] 311 check_err $? "Unexpected \"size\" value (got $size, expected $limit)" 312 313 # Insert 2 routes, the first is going to be inserted, 314 # the second is expected to fail to be inserted. 315 316 ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2 317 check_err $? "Failed to add route" 318 319 ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2 320 check_fail $? "Unexpected successful route add over limit" 321 322 # Now create another dummy in second network namespace and 323 # insert two routes. That is over the limit of the netdevsim 324 # instance in the first namespace. Move the netdevsim instance 325 # into the second namespace and expect it to fail. 326 327 ip -n testns2 link add name $DUMMYDEV type dummy 328 check_err $? "Failed create dummy device" 329 ip -n testns2 link set $DUMMYDEV up 330 check_err $? "Failed bring up dummy device" 331 ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV 332 check_err $? "Failed add an IP address to dummy device" 333 ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2 334 check_err $? "Failed to add route" 335 ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2 336 check_err $? "Failed to add route" 337 338 devlink -N testns1 dev reload $DL_HANDLE netns testns2 339 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\"" 340 341 devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1' 342 check_err $? "Failed to reset IPv4/fib resource size" 343 344 devlink -N testns2 dev reload $DL_HANDLE netns 1 345 check_err $? "Failed to reload devlink back" 346 347 ip netns del testns2 348 ip netns del testns1 349 350 log_test "resource test" 351} 352 353info_get() 354{ 355 local name=$1 356 357 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e" 358} 359 360dev_info_test() 361{ 362 RET=0 363 364 driver=$(info_get "driver") 365 check_err $? "Failed to get driver name" 366 [ "$driver" == "netdevsim" ] 367 check_err $? "Unexpected driver name $driver" 368 369 log_test "dev_info test" 370} 371 372empty_reporter_test() 373{ 374 RET=0 375 376 devlink health show $DL_HANDLE reporter empty >/dev/null 377 check_err $? "Failed show empty reporter" 378 379 devlink health dump show $DL_HANDLE reporter empty >/dev/null 380 check_err $? "Failed show dump of empty reporter" 381 382 devlink health diagnose $DL_HANDLE reporter empty >/dev/null 383 check_err $? "Failed diagnose empty reporter" 384 385 devlink health recover $DL_HANDLE reporter empty 386 check_err $? "Failed recover empty reporter" 387 388 log_test "empty reporter test" 389} 390 391check_reporter_info() 392{ 393 local name=$1 394 local expected_state=$2 395 local expected_error=$3 396 local expected_recover=$4 397 local expected_grace_period=$5 398 local expected_auto_recover=$6 399 400 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]") 401 check_err $? "Failed show $name reporter" 402 403 local state=$(echo $show | jq -r ".state") 404 [ "$state" == "$expected_state" ] 405 check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)" 406 407 local error=$(echo $show | jq -r ".error") 408 [ "$error" == "$expected_error" ] 409 check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)" 410 411 local recover=`echo $show | jq -r ".recover"` 412 [ "$recover" == "$expected_recover" ] 413 check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)" 414 415 local grace_period=$(echo $show | jq -r ".grace_period") 416 check_err $? "Failed get $name reporter grace_period" 417 [ "$grace_period" == "$expected_grace_period" ] 418 check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)" 419 420 local auto_recover=$(echo $show | jq -r ".auto_recover") 421 [ "$auto_recover" == "$expected_auto_recover" ] 422 check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)" 423} 424 425dummy_reporter_test() 426{ 427 RET=0 428 429 check_reporter_info dummy healthy 0 0 0 true 430 431 devlink health set $DL_HANDLE reporter dummy auto_recover false 432 check_err $? "Failed to dummy reporter auto_recover option" 433 434 check_reporter_info dummy healthy 0 0 0 false 435 436 local BREAK_MSG="foo bar" 437 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 438 check_err $? "Failed to break dummy reporter" 439 440 check_reporter_info dummy error 1 0 0 false 441 442 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) 443 check_err $? "Failed show dump of dummy reporter" 444 445 local dump_break_msg=$(echo $dump | jq -r ".break_message") 446 [ "$dump_break_msg" == "$BREAK_MSG" ] 447 check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)" 448 449 devlink health dump clear $DL_HANDLE reporter dummy 450 check_err $? "Failed clear dump of dummy reporter" 451 452 devlink health recover $DL_HANDLE reporter dummy 453 check_err $? "Failed recover dummy reporter" 454 455 check_reporter_info dummy healthy 1 1 0 false 456 457 devlink health set $DL_HANDLE reporter dummy auto_recover true 458 check_err $? "Failed to dummy reporter auto_recover option" 459 460 check_reporter_info dummy healthy 1 1 0 true 461 462 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 463 check_err $? "Failed to break dummy reporter" 464 465 check_reporter_info dummy healthy 2 2 0 true 466 467 local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p) 468 check_err $? "Failed show diagnose of dummy reporter" 469 470 local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message") 471 [ "$rcvrd_break_msg" == "$BREAK_MSG" ] 472 check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)" 473 474 devlink health set $DL_HANDLE reporter dummy grace_period 10 475 check_err $? "Failed to dummy reporter grace_period option" 476 477 check_reporter_info dummy healthy 2 2 10 true 478 479 echo "Y"> $DEBUGFS_DIR/health/fail_recover 480 check_err $? "Failed set dummy reporter recovery to fail" 481 482 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 483 check_fail $? "Unexpected success of dummy reporter break" 484 485 check_reporter_info dummy error 3 2 10 true 486 487 devlink health recover $DL_HANDLE reporter dummy 488 check_fail $? "Unexpected success of dummy reporter recover" 489 490 echo "N"> $DEBUGFS_DIR/health/fail_recover 491 check_err $? "Failed set dummy reporter recovery to be successful" 492 493 devlink health recover $DL_HANDLE reporter dummy 494 check_err $? "Failed recover dummy reporter" 495 496 check_reporter_info dummy healthy 3 3 10 true 497 498 echo 8192> $DEBUGFS_DIR/health/binary_len 499 check_fail $? "Failed set dummy reporter binary len to 8192" 500 501 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) 502 check_err $? "Failed show dump of dummy reporter" 503 504 devlink health dump clear $DL_HANDLE reporter dummy 505 check_err $? "Failed clear dump of dummy reporter" 506 507 log_test "dummy reporter test" 508} 509 510setup_prepare() 511{ 512 modprobe netdevsim 513 echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device 514 while [ ! -d $SYSFS_NET_DIR ] ; do :; done 515} 516 517cleanup() 518{ 519 pre_cleanup 520 echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device 521 modprobe -r netdevsim 522} 523 524trap cleanup EXIT 525 526setup_prepare 527 528tests_run 529 530exit $EXIT_STATUS 531