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