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 log_test "regions test" 145} 146 147reload_test() 148{ 149 RET=0 150 151 devlink dev reload $DL_HANDLE 152 check_err $? "Failed to reload" 153 154 echo "y"> $DEBUGFS_DIR/fail_reload 155 check_err $? "Failed to setup devlink reload to fail" 156 157 devlink dev reload $DL_HANDLE 158 check_fail $? "Unexpected success of devlink reload" 159 160 echo "n"> $DEBUGFS_DIR/fail_reload 161 check_err $? "Failed to setup devlink reload not to fail" 162 163 devlink dev reload $DL_HANDLE 164 check_err $? "Failed to reload after set not to fail" 165 166 echo "y"> $DEBUGFS_DIR/dont_allow_reload 167 check_err $? "Failed to forbid devlink reload" 168 169 devlink dev reload $DL_HANDLE 170 check_fail $? "Unexpected success of devlink reload" 171 172 echo "n"> $DEBUGFS_DIR/dont_allow_reload 173 check_err $? "Failed to re-enable devlink reload" 174 175 devlink dev reload $DL_HANDLE 176 check_err $? "Failed to reload after re-enable" 177 178 log_test "reload test" 179} 180 181netns_reload_test() 182{ 183 RET=0 184 185 ip netns add testns1 186 check_err $? "Failed add netns \"testns1\"" 187 ip netns add testns2 188 check_err $? "Failed add netns \"testns2\"" 189 190 devlink dev reload $DL_HANDLE netns testns1 191 check_err $? "Failed to reload into netns \"testns1\"" 192 193 devlink -N testns1 dev reload $DL_HANDLE netns testns2 194 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\"" 195 196 ip netns del testns2 197 ip netns del testns1 198 199 log_test "netns reload test" 200} 201 202DUMMYDEV="dummytest" 203 204res_val_get() 205{ 206 local netns=$1 207 local parentname=$2 208 local name=$3 209 local type=$4 210 211 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \ 212 ".[][][] | select(.name == \"$parentname\").resources[] \ 213 | select(.name == \"$name\").$type" 214} 215 216resource_test() 217{ 218 RET=0 219 220 ip netns add testns1 221 check_err $? "Failed add netns \"testns1\"" 222 ip netns add testns2 223 check_err $? "Failed add netns \"testns2\"" 224 225 devlink dev reload $DL_HANDLE netns testns1 226 check_err $? "Failed to reload into netns \"testns1\"" 227 228 # Create dummy dev to add the address and routes on. 229 230 ip -n testns1 link add name $DUMMYDEV type dummy 231 check_err $? "Failed create dummy device" 232 ip -n testns1 link set $DUMMYDEV up 233 check_err $? "Failed bring up dummy device" 234 ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV 235 check_err $? "Failed add an IP address to dummy device" 236 237 local occ=$(res_val_get testns1 IPv4 fib occ) 238 local limit=$((occ+1)) 239 240 # Set fib size limit to handle one another route only. 241 242 devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit 243 check_err $? "Failed to set IPv4/fib resource size" 244 local size_new=$(res_val_get testns1 IPv4 fib size_new) 245 [ "$size_new" -eq "$limit" ] 246 check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)" 247 248 devlink -N testns1 dev reload $DL_HANDLE 249 check_err $? "Failed to reload" 250 local size=$(res_val_get testns1 IPv4 fib size) 251 [ "$size" -eq "$limit" ] 252 check_err $? "Unexpected \"size\" value (got $size, expected $limit)" 253 254 # Insert 2 routes, the first is going to be inserted, 255 # the second is expected to fail to be inserted. 256 257 ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2 258 check_err $? "Failed to add route" 259 260 ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2 261 check_fail $? "Unexpected successful route add over limit" 262 263 # Now create another dummy in second network namespace and 264 # insert two routes. That is over the limit of the netdevsim 265 # instance in the first namespace. Move the netdevsim instance 266 # into the second namespace and expect it to fail. 267 268 ip -n testns2 link add name $DUMMYDEV type dummy 269 check_err $? "Failed create dummy device" 270 ip -n testns2 link set $DUMMYDEV up 271 check_err $? "Failed bring up dummy device" 272 ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV 273 check_err $? "Failed add an IP address to dummy device" 274 ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2 275 check_err $? "Failed to add route" 276 ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2 277 check_err $? "Failed to add route" 278 279 devlink -N testns1 dev reload $DL_HANDLE netns testns2 280 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\"" 281 282 ip netns del testns2 283 ip netns del testns1 284 285 log_test "resource test" 286} 287 288info_get() 289{ 290 local name=$1 291 292 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e" 293} 294 295dev_info_test() 296{ 297 RET=0 298 299 driver=$(info_get "driver") 300 check_err $? "Failed to get driver name" 301 [ "$driver" == "netdevsim" ] 302 check_err $? "Unexpected driver name $driver" 303 304 log_test "dev_info test" 305} 306 307empty_reporter_test() 308{ 309 RET=0 310 311 devlink health show $DL_HANDLE reporter empty >/dev/null 312 check_err $? "Failed show empty reporter" 313 314 devlink health dump show $DL_HANDLE reporter empty >/dev/null 315 check_err $? "Failed show dump of empty reporter" 316 317 devlink health diagnose $DL_HANDLE reporter empty >/dev/null 318 check_err $? "Failed diagnose empty reporter" 319 320 devlink health recover $DL_HANDLE reporter empty 321 check_err $? "Failed recover empty reporter" 322 323 log_test "empty reporter test" 324} 325 326check_reporter_info() 327{ 328 local name=$1 329 local expected_state=$2 330 local expected_error=$3 331 local expected_recover=$4 332 local expected_grace_period=$5 333 local expected_auto_recover=$6 334 335 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]") 336 check_err $? "Failed show $name reporter" 337 338 local state=$(echo $show | jq -r ".state") 339 [ "$state" == "$expected_state" ] 340 check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)" 341 342 local error=$(echo $show | jq -r ".error") 343 [ "$error" == "$expected_error" ] 344 check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)" 345 346 local recover=`echo $show | jq -r ".recover"` 347 [ "$recover" == "$expected_recover" ] 348 check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)" 349 350 local grace_period=$(echo $show | jq -r ".grace_period") 351 check_err $? "Failed get $name reporter grace_period" 352 [ "$grace_period" == "$expected_grace_period" ] 353 check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)" 354 355 local auto_recover=$(echo $show | jq -r ".auto_recover") 356 [ "$auto_recover" == "$expected_auto_recover" ] 357 check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)" 358} 359 360dummy_reporter_test() 361{ 362 RET=0 363 364 check_reporter_info dummy healthy 0 0 0 false 365 366 local BREAK_MSG="foo bar" 367 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 368 check_err $? "Failed to break dummy reporter" 369 370 check_reporter_info dummy error 1 0 0 false 371 372 local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) 373 check_err $? "Failed show dump of dummy reporter" 374 375 local dump_break_msg=$(echo $dump | jq -r ".break_message") 376 [ "$dump_break_msg" == "$BREAK_MSG" ] 377 check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)" 378 379 devlink health dump clear $DL_HANDLE reporter dummy 380 check_err $? "Failed clear dump of dummy reporter" 381 382 devlink health recover $DL_HANDLE reporter dummy 383 check_err $? "Failed recover dummy reporter" 384 385 check_reporter_info dummy healthy 1 1 0 false 386 387 devlink health set $DL_HANDLE reporter dummy auto_recover true 388 check_err $? "Failed to dummy reporter auto_recover option" 389 390 check_reporter_info dummy healthy 1 1 0 true 391 392 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 393 check_err $? "Failed to break dummy reporter" 394 395 check_reporter_info dummy healthy 2 2 0 true 396 397 local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p) 398 check_err $? "Failed show diagnose of dummy reporter" 399 400 local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message") 401 [ "$rcvrd_break_msg" == "$BREAK_MSG" ] 402 check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)" 403 404 devlink health set $DL_HANDLE reporter dummy grace_period 10 405 check_err $? "Failed to dummy reporter grace_period option" 406 407 check_reporter_info dummy healthy 2 2 10 true 408 409 echo "Y"> $DEBUGFS_DIR/health/fail_recover 410 check_err $? "Failed set dummy reporter recovery to fail" 411 412 echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health 413 check_fail $? "Unexpected success of dummy reporter break" 414 415 check_reporter_info dummy error 3 2 10 true 416 417 devlink health recover $DL_HANDLE reporter dummy 418 check_fail $? "Unexpected success of dummy reporter recover" 419 420 echo "N"> $DEBUGFS_DIR/health/fail_recover 421 check_err $? "Failed set dummy reporter recovery to be successful" 422 423 devlink health recover $DL_HANDLE reporter dummy 424 check_err $? "Failed recover dummy reporter" 425 426 check_reporter_info dummy healthy 3 3 10 true 427 428 log_test "dummy reporter test" 429} 430 431setup_prepare() 432{ 433 modprobe netdevsim 434 echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device 435 while [ ! -d $SYSFS_NET_DIR ] ; do :; done 436} 437 438cleanup() 439{ 440 pre_cleanup 441 echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device 442 modprobe -r netdevsim 443} 444 445trap cleanup EXIT 446 447setup_prepare 448 449tests_run 450 451exit $EXIT_STATUS 452