599 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4# Kselftest framework requirement - SKIP code is 4.5ksft_skip=46 7##############################################################################8# Defines9 10if [[ ! -v DEVLINK_DEV ]]; then11 DEVLINK_DEV=$(devlink port show "${NETIFS[p1]:-$NETIF_NO_CABLE}" -j \12 | jq -r '.port | keys[]' | cut -d/ -f-2)13 if [ -z "$DEVLINK_DEV" ]; then14 echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it"15 exit $ksft_skip16 fi17 if [[ "$(echo $DEVLINK_DEV | grep -c pci)" -eq 0 ]]; then18 echo "SKIP: devlink device's bus is not PCI"19 exit $ksft_skip20 fi21 22 DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \23 -n | cut -d" " -f3)24elif [[ ! -z "$DEVLINK_DEV" ]]; then25 devlink dev show $DEVLINK_DEV &> /dev/null26 if [ $? -ne 0 ]; then27 echo "SKIP: devlink device \"$DEVLINK_DEV\" not found"28 exit $ksft_skip29 fi30fi31 32##############################################################################33# Sanity checks34 35devlink help 2>&1 | grep resource &> /dev/null36if [ $? -ne 0 ]; then37 echo "SKIP: iproute2 too old, missing devlink resource support"38 exit $ksft_skip39fi40 41devlink help 2>&1 | grep trap &> /dev/null42if [ $? -ne 0 ]; then43 echo "SKIP: iproute2 too old, missing devlink trap support"44 exit $ksft_skip45fi46 47devlink dev help 2>&1 | grep info &> /dev/null48if [ $? -ne 0 ]; then49 echo "SKIP: iproute2 too old, missing devlink dev info support"50 exit $ksft_skip51fi52 53##############################################################################54# Devlink helpers55 56devlink_resource_names_to_path()57{58 local resource59 local path=""60 61 for resource in "${@}"; do62 if [ "$path" == "" ]; then63 path="$resource"64 else65 path="${path}/$resource"66 fi67 done68 69 echo "$path"70}71 72devlink_resource_get()73{74 local name=$175 local resource_name=.[][\"$DEVLINK_DEV\"]76 77 resource_name="$resource_name | .[] | select (.name == \"$name\")"78 79 shift80 for resource in "${@}"; do81 resource_name="${resource_name} | .[\"resources\"][] | \82 select (.name == \"$resource\")"83 done84 85 devlink -j resource show "$DEVLINK_DEV" | jq "$resource_name"86}87 88devlink_resource_size_get()89{90 local size=$(devlink_resource_get "$@" | jq '.["size_new"]')91 92 if [ "$size" == "null" ]; then93 devlink_resource_get "$@" | jq '.["size"]'94 else95 echo "$size"96 fi97}98 99devlink_resource_size_set()100{101 local new_size=$1102 local path103 104 shift105 path=$(devlink_resource_names_to_path "$@")106 devlink resource set "$DEVLINK_DEV" path "$path" size "$new_size"107 check_err $? "Failed setting path $path to size $size"108}109 110devlink_resource_occ_get()111{112 devlink_resource_get "$@" | jq '.["occ"]'113}114 115devlink_reload()116{117 local still_pending118 119 devlink dev reload "$DEVLINK_DEV" &> /dev/null120 check_err $? "Failed reload"121 122 still_pending=$(devlink resource show "$DEVLINK_DEV" | \123 grep -c "size_new")124 check_err $still_pending "Failed reload - There are still unset sizes"125 126 udevadm settle127}128 129declare -A DEVLINK_ORIG130 131# Changing pool type from static to dynamic causes reinterpretation of threshold132# values. They therefore need to be saved before pool type is changed, then the133# pool type can be changed, and then the new values need to be set up. Therefore134# instead of saving the current state implicitly in the _set call, provide135# functions for all three primitives: save, set, and restore.136 137devlink_port_pool_threshold()138{139 local port=$1; shift140 local pool=$1; shift141 142 devlink sb port pool show $port pool $pool -j \143 | jq '.port_pool."'"$port"'"[].threshold'144}145 146devlink_port_pool_th_save()147{148 local port=$1; shift149 local pool=$1; shift150 local key="port_pool($port,$pool).threshold"151 152 DEVLINK_ORIG[$key]=$(devlink_port_pool_threshold $port $pool)153}154 155devlink_port_pool_th_set()156{157 local port=$1; shift158 local pool=$1; shift159 local th=$1; shift160 161 devlink sb port pool set $port pool $pool th $th162}163 164devlink_port_pool_th_restore()165{166 local port=$1; shift167 local pool=$1; shift168 local key="port_pool($port,$pool).threshold"169 local -a orig=(${DEVLINK_ORIG[$key]})170 171 if [[ -z $orig ]]; then172 echo "WARNING: Mismatched devlink_port_pool_th_restore"173 else174 devlink sb port pool set $port pool $pool th $orig175 fi176}177 178devlink_pool_size_thtype()179{180 local pool=$1; shift181 182 devlink sb pool show "$DEVLINK_DEV" pool $pool -j \183 | jq -r '.pool[][] | (.size, .thtype)'184}185 186devlink_pool_size_thtype_save()187{188 local pool=$1; shift189 local key="pool($pool).size_thtype"190 191 DEVLINK_ORIG[$key]=$(devlink_pool_size_thtype $pool)192}193 194devlink_pool_size_thtype_set()195{196 local pool=$1; shift197 local thtype=$1; shift198 local size=$1; shift199 200 devlink sb pool set "$DEVLINK_DEV" pool $pool size $size thtype $thtype201}202 203devlink_pool_size_thtype_restore()204{205 local pool=$1; shift206 local key="pool($pool).size_thtype"207 local -a orig=(${DEVLINK_ORIG[$key]})208 209 if [[ -z ${orig[0]} ]]; then210 echo "WARNING: Mismatched devlink_pool_size_thtype_restore"211 else212 devlink sb pool set "$DEVLINK_DEV" pool $pool \213 size ${orig[0]} thtype ${orig[1]}214 fi215}216 217devlink_tc_bind_pool_th()218{219 local port=$1; shift220 local tc=$1; shift221 local dir=$1; shift222 223 devlink sb tc bind show $port tc $tc type $dir -j \224 | jq -r '.tc_bind[][] | (.pool, .threshold)'225}226 227devlink_tc_bind_pool_th_save()228{229 local port=$1; shift230 local tc=$1; shift231 local dir=$1; shift232 local key="tc_bind($port,$dir,$tc).pool_th"233 234 DEVLINK_ORIG[$key]=$(devlink_tc_bind_pool_th $port $tc $dir)235}236 237devlink_tc_bind_pool_th_set()238{239 local port=$1; shift240 local tc=$1; shift241 local dir=$1; shift242 local pool=$1; shift243 local th=$1; shift244 245 devlink sb tc bind set $port tc $tc type $dir pool $pool th $th246}247 248devlink_tc_bind_pool_th_restore()249{250 local port=$1; shift251 local tc=$1; shift252 local dir=$1; shift253 local key="tc_bind($port,$dir,$tc).pool_th"254 local -a orig=(${DEVLINK_ORIG[$key]})255 256 if [[ -z ${orig[0]} ]]; then257 echo "WARNING: Mismatched devlink_tc_bind_pool_th_restore"258 else259 devlink sb tc bind set $port tc $tc type $dir \260 pool ${orig[0]} th ${orig[1]}261 fi262}263 264devlink_traps_num_get()265{266 devlink -j trap | jq '.[]["'$DEVLINK_DEV'"] | length'267}268 269devlink_traps_get()270{271 devlink -j trap | jq -r '.[]["'$DEVLINK_DEV'"][].name'272}273 274devlink_trap_type_get()275{276 local trap_name=$1; shift277 278 devlink -j trap show $DEVLINK_DEV trap $trap_name \279 | jq -r '.[][][].type'280}281 282devlink_trap_action_set()283{284 local trap_name=$1; shift285 local action=$1; shift286 287 # Pipe output to /dev/null to avoid expected warnings.288 devlink trap set $DEVLINK_DEV trap $trap_name \289 action $action &> /dev/null290}291 292devlink_trap_action_get()293{294 local trap_name=$1; shift295 296 devlink -j trap show $DEVLINK_DEV trap $trap_name \297 | jq -r '.[][][].action'298}299 300devlink_trap_group_get()301{302 devlink -j trap show $DEVLINK_DEV trap $trap_name \303 | jq -r '.[][][].group'304}305 306devlink_trap_metadata_test()307{308 local trap_name=$1; shift309 local metadata=$1; shift310 311 devlink -jv trap show $DEVLINK_DEV trap $trap_name \312 | jq -e '.[][][].metadata | contains(["'$metadata'"])' \313 &> /dev/null314}315 316devlink_trap_rx_packets_get()317{318 local trap_name=$1; shift319 320 devlink -js trap show $DEVLINK_DEV trap $trap_name \321 | jq '.[][][]["stats"]["rx"]["packets"]'322}323 324devlink_trap_rx_bytes_get()325{326 local trap_name=$1; shift327 328 devlink -js trap show $DEVLINK_DEV trap $trap_name \329 | jq '.[][][]["stats"]["rx"]["bytes"]'330}331 332devlink_trap_drop_packets_get()333{334 local trap_name=$1; shift335 336 devlink -js trap show $DEVLINK_DEV trap $trap_name \337 | jq '.[][][]["stats"]["rx"]["dropped"]'338}339 340devlink_trap_stats_idle_test()341{342 local trap_name=$1; shift343 local t0_packets t0_bytes344 local t1_packets t1_bytes345 346 t0_packets=$(devlink_trap_rx_packets_get $trap_name)347 t0_bytes=$(devlink_trap_rx_bytes_get $trap_name)348 349 sleep 1350 351 t1_packets=$(devlink_trap_rx_packets_get $trap_name)352 t1_bytes=$(devlink_trap_rx_bytes_get $trap_name)353 354 if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then355 return 0356 else357 return 1358 fi359}360 361devlink_trap_drop_stats_idle_test()362{363 local trap_name=$1; shift364 local t0_packets t0_bytes365 366 t0_packets=$(devlink_trap_drop_packets_get $trap_name)367 368 sleep 1369 370 t1_packets=$(devlink_trap_drop_packets_get $trap_name)371 372 if [[ $t0_packets -eq $t1_packets ]]; then373 return 0374 else375 return 1376 fi377}378 379devlink_traps_enable_all()380{381 local trap_name382 383 for trap_name in $(devlink_traps_get); do384 devlink_trap_action_set $trap_name "trap"385 done386}387 388devlink_traps_disable_all()389{390 for trap_name in $(devlink_traps_get); do391 devlink_trap_action_set $trap_name "drop"392 done393}394 395devlink_trap_groups_get()396{397 devlink -j trap group | jq -r '.[]["'$DEVLINK_DEV'"][].name'398}399 400devlink_trap_group_action_set()401{402 local group_name=$1; shift403 local action=$1; shift404 405 # Pipe output to /dev/null to avoid expected warnings.406 devlink trap group set $DEVLINK_DEV group $group_name action $action \407 &> /dev/null408}409 410devlink_trap_group_rx_packets_get()411{412 local group_name=$1; shift413 414 devlink -js trap group show $DEVLINK_DEV group $group_name \415 | jq '.[][][]["stats"]["rx"]["packets"]'416}417 418devlink_trap_group_rx_bytes_get()419{420 local group_name=$1; shift421 422 devlink -js trap group show $DEVLINK_DEV group $group_name \423 | jq '.[][][]["stats"]["rx"]["bytes"]'424}425 426devlink_trap_group_stats_idle_test()427{428 local group_name=$1; shift429 local t0_packets t0_bytes430 local t1_packets t1_bytes431 432 t0_packets=$(devlink_trap_group_rx_packets_get $group_name)433 t0_bytes=$(devlink_trap_group_rx_bytes_get $group_name)434 435 sleep 1436 437 t1_packets=$(devlink_trap_group_rx_packets_get $group_name)438 t1_bytes=$(devlink_trap_group_rx_bytes_get $group_name)439 440 if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then441 return 0442 else443 return 1444 fi445}446 447devlink_trap_exception_test()448{449 local trap_name=$1; shift450 local group_name451 452 group_name=$(devlink_trap_group_get $trap_name)453 454 devlink_trap_stats_idle_test $trap_name455 check_fail $? "Trap stats idle when packets should have been trapped"456 457 devlink_trap_group_stats_idle_test $group_name458 check_fail $? "Trap group idle when packets should have been trapped"459}460 461devlink_trap_drop_test()462{463 local trap_name=$1; shift464 local dev=$1; shift465 local handle=$1; shift466 local group_name467 468 group_name=$(devlink_trap_group_get $trap_name)469 470 # This is the common part of all the tests. It checks that stats are471 # initially idle, then non-idle after changing the trap action and472 # finally idle again. It also makes sure the packets are dropped and473 # never forwarded.474 devlink_trap_stats_idle_test $trap_name475 check_err $? "Trap stats not idle with initial drop action"476 devlink_trap_group_stats_idle_test $group_name477 check_err $? "Trap group stats not idle with initial drop action"478 479 devlink_trap_action_set $trap_name "trap"480 devlink_trap_stats_idle_test $trap_name481 check_fail $? "Trap stats idle after setting action to trap"482 devlink_trap_group_stats_idle_test $group_name483 check_fail $? "Trap group stats idle after setting action to trap"484 485 devlink_trap_action_set $trap_name "drop"486 487 devlink_trap_stats_idle_test $trap_name488 check_err $? "Trap stats not idle after setting action to drop"489 devlink_trap_group_stats_idle_test $group_name490 check_err $? "Trap group stats not idle after setting action to drop"491 492 tc_check_packets "dev $dev egress" $handle 0493 check_err $? "Packets were not dropped"494}495 496devlink_trap_drop_cleanup()497{498 local mz_pid=$1; shift499 local dev=$1; shift500 local proto=$1; shift501 local pref=$1; shift502 local handle=$1; shift503 504 kill $mz_pid && wait $mz_pid &> /dev/null505 tc filter del dev $dev egress protocol $proto pref $pref handle $handle flower506}507 508devlink_trap_stats_check()509{510 local trap_name=$1; shift511 local send_one="$@"512 local t0_packets513 local t1_packets514 515 t0_packets=$(devlink_trap_rx_packets_get $trap_name)516 517 $send_one && sleep 1518 519 t1_packets=$(devlink_trap_rx_packets_get $trap_name)520 521 [[ $t1_packets -ne $t0_packets ]]522}523 524devlink_trap_stats_test()525{526 local test_name=$1; shift527 528 RET=0529 530 devlink_trap_stats_check "$@"531 check_err $? "Trap stats did not increase"532 533 log_test "$test_name"534}535 536devlink_trap_policers_num_get()537{538 devlink -j -p trap policer show | jq '.[]["'$DEVLINK_DEV'"] | length'539}540 541devlink_trap_policer_rate_get()542{543 local policer_id=$1; shift544 545 devlink -j -p trap policer show $DEVLINK_DEV policer $policer_id \546 | jq '.[][][]["rate"]'547}548 549devlink_trap_policer_burst_get()550{551 local policer_id=$1; shift552 553 devlink -j -p trap policer show $DEVLINK_DEV policer $policer_id \554 | jq '.[][][]["burst"]'555}556 557devlink_trap_policer_rx_dropped_get()558{559 local policer_id=$1; shift560 561 devlink -j -p -s trap policer show $DEVLINK_DEV policer $policer_id \562 | jq '.[][][]["stats"]["rx"]["dropped"]'563}564 565devlink_trap_group_policer_get()566{567 local group_name=$1; shift568 569 devlink -j -p trap group show $DEVLINK_DEV group $group_name \570 | jq '.[][][]["policer"]'571}572 573devlink_port_by_netdev()574{575 local if_name=$1576 577 devlink -j port show $if_name | jq -e '.[] | keys' | jq -r '.[]'578}579 580devlink_cpu_port_get()581{582 local cpu_dl_port_num=$(devlink port list | grep "$DEVLINK_DEV" |583 grep cpu | cut -d/ -f3 | cut -d: -f1 |584 sed -n '1p')585 586 echo "$DEVLINK_DEV/$cpu_dl_port_num"587}588 589devlink_cell_size_get()590{591 devlink sb pool show "$DEVLINK_DEV" pool 0 -j \592 | jq '.pool[][].cell_size'593}594 595devlink_pool_size_get()596{597 devlink sb show "$DEVLINK_DEV" -j | jq '.[][][]["size"]'598}599