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