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 del $DL_HANDLE/dummy snapshot 25 150 check_err $? "Failed to delete snapshot with id 25" 151 152 check_region_snapshot_count dummy post-second-delete 2 153 154 sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]') 155 check_err $? "Failed to create a new snapshot with id allocated by the kernel" 156 157 check_region_snapshot_count dummy post-first-request 3 158 159 devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null 160 check_err $? "Failed to dump a snapshot with id allocated by the kernel" 161 162 devlink region del $DL_HANDLE/dummy snapshot $sid 163 check_err $? "Failed to delete snapshot with id allocated by the kernel" 164 165 check_region_snapshot_count dummy post-first-request 2 166 167 log_test "regions test" 168} 169 170reload_test() 171{ 172 RET=0 173 174 devlink dev reload $DL_HANDLE 175 check_err $? "Failed to reload" 176 177 echo "y"> $DEBUGFS_DIR/fail_reload 178 check_err $? "Failed to setup devlink reload to fail" 179 180 devlink dev reload $DL_HANDLE 181 check_fail $? "Unexpected success of devlink reload" 182 183 echo "n"> $DEBUGFS_DIR/fail_reload 184 check_err $? "Failed to setup devlink reload not to fail" 185 186 devlink dev reload $DL_HANDLE 187 check_err $? "Failed to reload after set not to fail" 188 189 echo "y"> $DEBUGFS_DIR/dont_allow_reload 190 check_err $? "Failed to forbid devlink reload" 191 192 devlink dev reload $DL_HANDLE 193 check_fail $? "Unexpected success of devlink reload" 194 195 echo "n"> $DEBUGFS_DIR/dont_allow_reload 196 check_err $? "Failed to re-enable devlink reload" 197 198 devlink dev reload $DL_HANDLE 199 check_err $? "Failed to reload after re-enable" 200 201 log_test "reload test" 202} 203 204netns_reload_test() 205{ 206 RET=0 207 208 ip netns add testns1 209 check_err $? "Failed add netns \"testns1\"" 210 ip netns add testns2 211 check_err $? "Failed add netns \"testns2\"" 212 213 devlink dev reload $DL_HANDLE netns testns1 214 check_err $? "Failed to reload into netns \"testns1\"" 215 216 devlink -N testns1 dev reload $DL_HANDLE netns testns2 217 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\"" 218 219 ip netns del testns2 220 ip netns del testns1 221 222 log_test "netns reload test" 223} 224 225DUMMYDEV="dummytest" 226 227res_val_get() 228{ 229 local netns=$1 230 local parentname=$2 231 local name=$3 232 local type=$4 233 234 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \ 235 ".[][][] | select(.name == \"$parentname\").resources[] \ 236 | select(.name == \"$name\").$type" 237} 238 239resource_test() 240{ 241 RET=0 242 243 ip netns add testns1 244 check_err $? "Failed add netns \"testns1\"" 245 ip netns add testns2 246 check_err $? "Failed add netns \"testns2\"" 247 248 devlink dev reload $DL_HANDLE netns testns1 249 check_err $? "Failed to reload into netns \"testns1\"" 250 251 # Create dummy dev to add the address and routes on. 252 253 ip -n testns1 link add name $DUMMYDEV type dummy 254 check_err $? "Failed create dummy device" 255 ip -n testns1 link set $DUMMYDEV up 256 check_err $? "Failed bring up dummy device" 257 ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV 258 check_err $? "Failed add an IP address to dummy device" 259 260 local occ=$(res_val_get testns1 IPv4 fib occ) 261 local limit=$((occ+1)) 262 263 # Set fib size limit to handle one another route only. 264 265 devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit 266 check_err $? "Failed to set IPv4/fib resource size" 267 local size_new=$(res_val_get testns1 IPv4 fib size_new) 268 [ "$size_new" -eq "$limit" ] 269 check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)" 270 271 devlink -N testns1 dev reload $DL_HANDLE 272 check_err $? "Failed to reload" 273 local size=$(res_val_get testns1 IPv4 fib size) 274 [ "$size" -eq "$limit" ] 275 check_err $? "Unexpected \"size\" value (got $size, expected $limit)" 276 277 # Insert 2 routes, the first is going to be inserted, 278 # the second is expected to fail to be inserted. 279 280 ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2 281 check_err $? "Failed to add route" 282 283 ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2 284 check_fail $? "Unexpected successful route add over limit" 285 286 # Now create another dummy in second network namespace and 287 # insert two routes. That is over the limit of the netdevsim 288 # instance in the first namespace. Move the netdevsim instance 289 # into the second namespace and expect it to fail. 290 291 ip -n testns2 link add name $DUMMYDEV type dummy 292 check_err $? "Failed create dummy device" 293 ip -n testns2 link set $DUMMYDEV up 294 check_err $? "Failed bring up dummy device" 295 ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV 296 check_err $? "Failed add an IP address to dummy device" 297 ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2 298 check_err $? "Failed to add route" 299 ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2 300 check_err $? "Failed to add route" 301 302 devlink -N testns1 dev reload $DL_HANDLE netns testns2 303 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\"" 304 305 devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1' 306 check_err $? "Failed to reset IPv4/fib resource size" 307 308 devlink -N testns2 dev reload $DL_HANDLE netns 1 309 check_err $? "Failed to reload devlink back" 310 311 ip netns del testns2 312 ip netns del testns1 313 314 log_test "resource test" 315} 316 317info_get() 318{ 319 local name=$1 320 321 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e" 322} 323 324dev_info_test() 325{ 326 RET=0 327 328 driver=$(info_get "driver") 329 check_err $? "Failed to get driver name" 330 [ "$driver" == "netdevsim" ] 331 check_err $? "Unexpected driver name $driver" 332 333 log_test "dev_info test" 334} 335 336empty_reporter_test() 337{ 338 RET=0 339 340 devlink health show $DL_HANDLE reporter empty >/dev/null 341 check_err $? "Failed show empty reporter" 342 343 devlink health dump show $DL_HANDLE reporter empty >/dev/null 344 check_err $? "Failed show dump of empty reporter" 345 346 devlink health diagnose $DL_HANDLE reporter empty >/dev/null 347 check_err $? "Failed diagnose empty reporter" 348 349 devlink health recover $DL_HANDLE reporter empty 350 check_err $? "Failed recover empty reporter" 351 352 log_test "empty reporter test" 353} 354 355check_reporter_info() 356{ 357 local name=$1 358 local expected_state=$2 359 local expected_error=$3 360 local expected_recover=$4 361 local expected_grace_period=$5 362 local expected_auto_recover=$6 363 364 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]") 365 check_err $? "Failed show $name reporter" 366 367 local state=$(echo $show | jq -r ".state") 368 [ "$state" == "$expected_state" ] 369 check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)" 370 371 local error=$(echo $show | jq -r ".error") 372 [ "$error" == "$expected_error" ] 373 check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)" 374 375 local recover=`echo $show | jq -r ".recover"` 376 [ "$recover" == "$expected_recover" ] 377 check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)" 378 379 local grace_period=$(echo $show | jq -r ".grace_period") 380 check_err $? "Failed get $name reporter grace_period" 381 [ "$grace_period" == "$expected_grace_period" ] 382 check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)" 383 384 local auto_recover=$(echo $show | jq -r ".auto_recover") 385 [ "$auto_recover" == "$expected_auto_recover" ] 386 check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)" 387} 388 389dummy_reporter_test() 390{ 391 RET=0 392 393 check_reporter_info dummy healthy 0 0 0 true 394 395 devlink health set $DL_HANDLE reporter dummy auto_recover false 396 check_err $? "Failed to dummy reporter auto_recover option" 397 398 check_reporter_info dummy healthy 0 0 0 false 399 400 local BREAK_MSG="foo bar" 401 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 402 check_err $? "Failed to break dummy reporter" 403 404 check_reporter_info dummy error 1 0 0 false 405 406 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) 407 check_err $? "Failed show dump of dummy reporter" 408 409 local dump_break_msg=$(echo $dump | jq -r ".break_message") 410 [ "$dump_break_msg" == "$BREAK_MSG" ] 411 check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)" 412 413 devlink health dump clear $DL_HANDLE reporter dummy 414 check_err $? "Failed clear dump of dummy reporter" 415 416 devlink health recover $DL_HANDLE reporter dummy 417 check_err $? "Failed recover dummy reporter" 418 419 check_reporter_info dummy healthy 1 1 0 false 420 421 devlink health set $DL_HANDLE reporter dummy auto_recover true 422 check_err $? "Failed to dummy reporter auto_recover option" 423 424 check_reporter_info dummy healthy 1 1 0 true 425 426 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 427 check_err $? "Failed to break dummy reporter" 428 429 check_reporter_info dummy healthy 2 2 0 true 430 431 local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p) 432 check_err $? "Failed show diagnose of dummy reporter" 433 434 local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message") 435 [ "$rcvrd_break_msg" == "$BREAK_MSG" ] 436 check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)" 437 438 devlink health set $DL_HANDLE reporter dummy grace_period 10 439 check_err $? "Failed to dummy reporter grace_period option" 440 441 check_reporter_info dummy healthy 2 2 10 true 442 443 echo "Y"> $DEBUGFS_DIR/health/fail_recover 444 check_err $? "Failed set dummy reporter recovery to fail" 445 446 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 447 check_fail $? "Unexpected success of dummy reporter break" 448 449 check_reporter_info dummy error 3 2 10 true 450 451 devlink health recover $DL_HANDLE reporter dummy 452 check_fail $? "Unexpected success of dummy reporter recover" 453 454 echo "N"> $DEBUGFS_DIR/health/fail_recover 455 check_err $? "Failed set dummy reporter recovery to be successful" 456 457 devlink health recover $DL_HANDLE reporter dummy 458 check_err $? "Failed recover dummy reporter" 459 460 check_reporter_info dummy healthy 3 3 10 true 461 462 echo 8192> $DEBUGFS_DIR/health/binary_len 463 check_fail $? "Failed set dummy reporter binary len to 8192" 464 465 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) 466 check_err $? "Failed show dump of dummy reporter" 467 468 devlink health dump clear $DL_HANDLE reporter dummy 469 check_err $? "Failed clear dump of dummy reporter" 470 471 log_test "dummy reporter test" 472} 473 474setup_prepare() 475{ 476 modprobe netdevsim 477 echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device 478 while [ ! -d $SYSFS_NET_DIR ] ; do :; done 479} 480 481cleanup() 482{ 483 pre_cleanup 484 echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device 485 modprobe -r netdevsim 486} 487 488trap cleanup EXIT 489 490setup_prepare 491 492tests_run 493 494exit $EXIT_STATUS 495