1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4############################################################################## 5# Defines 6 7# Kselftest framework requirement - SKIP code is 4. 8ksft_skip=4 9 10# Can be overridden by the configuration file. 11PING=${PING:=ping} 12PING6=${PING6:=ping6} 13MZ=${MZ:=mausezahn} 14ARPING=${ARPING:=arping} 15TEAMD=${TEAMD:=teamd} 16WAIT_TIME=${WAIT_TIME:=5} 17PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no} 18PAUSE_ON_CLEANUP=${PAUSE_ON_CLEANUP:=no} 19NETIF_TYPE=${NETIF_TYPE:=veth} 20NETIF_CREATE=${NETIF_CREATE:=yes} 21MCD=${MCD:=smcrouted} 22MC_CLI=${MC_CLI:=smcroutectl} 23PING_COUNT=${PING_COUNT:=10} 24PING_TIMEOUT=${PING_TIMEOUT:=5} 25WAIT_TIMEOUT=${WAIT_TIMEOUT:=20} 26INTERFACE_TIMEOUT=${INTERFACE_TIMEOUT:=600} 27REQUIRE_JQ=${REQUIRE_JQ:=yes} 28REQUIRE_MZ=${REQUIRE_MZ:=yes} 29 30relative_path="${BASH_SOURCE%/*}" 31if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then 32 relative_path="." 33fi 34 35if [[ -f $relative_path/forwarding.config ]]; then 36 source "$relative_path/forwarding.config" 37fi 38 39############################################################################## 40# Sanity checks 41 42check_tc_version() 43{ 44 tc -j &> /dev/null 45 if [[ $? -ne 0 ]]; then 46 echo "SKIP: iproute2 too old; tc is missing JSON support" 47 exit $ksft_skip 48 fi 49} 50 51# Old versions of tc don't understand "mpls_uc" 52check_tc_mpls_support() 53{ 54 local dev=$1; shift 55 56 tc filter add dev $dev ingress protocol mpls_uc pref 1 handle 1 \ 57 matchall action pipe &> /dev/null 58 if [[ $? -ne 0 ]]; then 59 echo "SKIP: iproute2 too old; tc is missing MPLS support" 60 return $ksft_skip 61 fi 62 tc filter del dev $dev ingress protocol mpls_uc pref 1 handle 1 \ 63 matchall 64} 65 66# Old versions of tc produce invalid json output for mpls lse statistics 67check_tc_mpls_lse_stats() 68{ 69 local dev=$1; shift 70 local ret; 71 72 tc filter add dev $dev ingress protocol mpls_uc pref 1 handle 1 \ 73 flower mpls lse depth 2 \ 74 action continue &> /dev/null 75 76 if [[ $? -ne 0 ]]; then 77 echo "SKIP: iproute2 too old; tc-flower is missing extended MPLS support" 78 return $ksft_skip 79 fi 80 81 tc -j filter show dev $dev ingress protocol mpls_uc | jq . &> /dev/null 82 ret=$? 83 tc filter del dev $dev ingress protocol mpls_uc pref 1 handle 1 \ 84 flower 85 86 if [[ $ret -ne 0 ]]; then 87 echo "SKIP: iproute2 too old; tc-flower produces invalid json output for extended MPLS filters" 88 return $ksft_skip 89 fi 90} 91 92check_tc_shblock_support() 93{ 94 tc filter help 2>&1 | grep block &> /dev/null 95 if [[ $? -ne 0 ]]; then 96 echo "SKIP: iproute2 too old; tc is missing shared block support" 97 exit $ksft_skip 98 fi 99} 100 101check_tc_chain_support() 102{ 103 tc help 2>&1|grep chain &> /dev/null 104 if [[ $? -ne 0 ]]; then 105 echo "SKIP: iproute2 too old; tc is missing chain support" 106 exit $ksft_skip 107 fi 108} 109 110check_tc_action_hw_stats_support() 111{ 112 tc actions help 2>&1 | grep -q hw_stats 113 if [[ $? -ne 0 ]]; then 114 echo "SKIP: iproute2 too old; tc is missing action hw_stats support" 115 exit $ksft_skip 116 fi 117} 118 119check_ethtool_lanes_support() 120{ 121 ethtool --help 2>&1| grep lanes &> /dev/null 122 if [[ $? -ne 0 ]]; then 123 echo "SKIP: ethtool too old; it is missing lanes support" 124 exit $ksft_skip 125 fi 126} 127 128if [[ "$(id -u)" -ne 0 ]]; then 129 echo "SKIP: need root privileges" 130 exit $ksft_skip 131fi 132 133if [[ "$CHECK_TC" = "yes" ]]; then 134 check_tc_version 135fi 136 137require_command() 138{ 139 local cmd=$1; shift 140 141 if [[ ! -x "$(command -v "$cmd")" ]]; then 142 echo "SKIP: $cmd not installed" 143 exit $ksft_skip 144 fi 145} 146 147if [[ "$REQUIRE_JQ" = "yes" ]]; then 148 require_command jq 149fi 150if [[ "$REQUIRE_MZ" = "yes" ]]; then 151 require_command $MZ 152fi 153 154if [[ ! -v NUM_NETIFS ]]; then 155 echo "SKIP: importer does not define \"NUM_NETIFS\"" 156 exit $ksft_skip 157fi 158 159############################################################################## 160# Command line options handling 161 162count=0 163 164while [[ $# -gt 0 ]]; do 165 if [[ "$count" -eq "0" ]]; then 166 unset NETIFS 167 declare -A NETIFS 168 fi 169 count=$((count + 1)) 170 NETIFS[p$count]="$1" 171 shift 172done 173 174############################################################################## 175# Network interfaces configuration 176 177create_netif_veth() 178{ 179 local i 180 181 for ((i = 1; i <= NUM_NETIFS; ++i)); do 182 local j=$((i+1)) 183 184 ip link show dev ${NETIFS[p$i]} &> /dev/null 185 if [[ $? -ne 0 ]]; then 186 ip link add ${NETIFS[p$i]} type veth \ 187 peer name ${NETIFS[p$j]} 188 if [[ $? -ne 0 ]]; then 189 echo "Failed to create netif" 190 exit 1 191 fi 192 fi 193 i=$j 194 done 195} 196 197create_netif() 198{ 199 case "$NETIF_TYPE" in 200 veth) create_netif_veth 201 ;; 202 *) echo "Can not create interfaces of type \'$NETIF_TYPE\'" 203 exit 1 204 ;; 205 esac 206} 207 208if [[ "$NETIF_CREATE" = "yes" ]]; then 209 create_netif 210fi 211 212for ((i = 1; i <= NUM_NETIFS; ++i)); do 213 ip link show dev ${NETIFS[p$i]} &> /dev/null 214 if [[ $? -ne 0 ]]; then 215 echo "SKIP: could not find all required interfaces" 216 exit $ksft_skip 217 fi 218done 219 220############################################################################## 221# Helpers 222 223# Exit status to return at the end. Set in case one of the tests fails. 224EXIT_STATUS=0 225# Per-test return value. Clear at the beginning of each test. 226RET=0 227 228check_err() 229{ 230 local err=$1 231 local msg=$2 232 233 if [[ $RET -eq 0 && $err -ne 0 ]]; then 234 RET=$err 235 retmsg=$msg 236 fi 237} 238 239check_fail() 240{ 241 local err=$1 242 local msg=$2 243 244 if [[ $RET -eq 0 && $err -eq 0 ]]; then 245 RET=1 246 retmsg=$msg 247 fi 248} 249 250check_err_fail() 251{ 252 local should_fail=$1; shift 253 local err=$1; shift 254 local what=$1; shift 255 256 if ((should_fail)); then 257 check_fail $err "$what succeeded, but should have failed" 258 else 259 check_err $err "$what failed" 260 fi 261} 262 263log_test() 264{ 265 local test_name=$1 266 local opt_str=$2 267 268 if [[ $# -eq 2 ]]; then 269 opt_str="($opt_str)" 270 fi 271 272 if [[ $RET -ne 0 ]]; then 273 EXIT_STATUS=1 274 printf "TEST: %-60s [FAIL]\n" "$test_name $opt_str" 275 if [[ ! -z "$retmsg" ]]; then 276 printf "\t%s\n" "$retmsg" 277 fi 278 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then 279 echo "Hit enter to continue, 'q' to quit" 280 read a 281 [ "$a" = "q" ] && exit 1 282 fi 283 return 1 284 fi 285 286 printf "TEST: %-60s [ OK ]\n" "$test_name $opt_str" 287 return 0 288} 289 290log_test_skip() 291{ 292 local test_name=$1 293 local opt_str=$2 294 295 printf "TEST: %-60s [SKIP]\n" "$test_name $opt_str" 296 return 0 297} 298 299log_info() 300{ 301 local msg=$1 302 303 echo "INFO: $msg" 304} 305 306busywait() 307{ 308 local timeout=$1; shift 309 310 local start_time="$(date -u +%s%3N)" 311 while true 312 do 313 local out 314 out=$("$@") 315 local ret=$? 316 if ((!ret)); then 317 echo -n "$out" 318 return 0 319 fi 320 321 local current_time="$(date -u +%s%3N)" 322 if ((current_time - start_time > timeout)); then 323 echo -n "$out" 324 return 1 325 fi 326 done 327} 328 329not() 330{ 331 "$@" 332 [[ $? != 0 ]] 333} 334 335get_max() 336{ 337 local arr=("$@") 338 339 max=${arr[0]} 340 for cur in ${arr[@]}; do 341 if [[ $cur -gt $max ]]; then 342 max=$cur 343 fi 344 done 345 346 echo $max 347} 348 349grep_bridge_fdb() 350{ 351 local addr=$1; shift 352 local word 353 local flag 354 355 if [ "$1" == "self" ] || [ "$1" == "master" ]; then 356 word=$1; shift 357 if [ "$1" == "-v" ]; then 358 flag=$1; shift 359 fi 360 fi 361 362 $@ | grep $addr | grep $flag "$word" 363} 364 365wait_for_port_up() 366{ 367 "$@" | grep -q "Link detected: yes" 368} 369 370wait_for_offload() 371{ 372 "$@" | grep -q offload 373} 374 375wait_for_trap() 376{ 377 "$@" | grep -q trap 378} 379 380until_counter_is() 381{ 382 local expr=$1; shift 383 local current=$("$@") 384 385 echo $((current)) 386 ((current $expr)) 387} 388 389busywait_for_counter() 390{ 391 local timeout=$1; shift 392 local delta=$1; shift 393 394 local base=$("$@") 395 busywait "$timeout" until_counter_is ">= $((base + delta))" "$@" 396} 397 398setup_wait_dev() 399{ 400 local dev=$1; shift 401 local wait_time=${1:-$WAIT_TIME}; shift 402 403 setup_wait_dev_with_timeout "$dev" $INTERFACE_TIMEOUT $wait_time 404 405 if (($?)); then 406 check_err 1 407 log_test setup_wait_dev ": Interface $dev does not come up." 408 exit 1 409 fi 410} 411 412setup_wait_dev_with_timeout() 413{ 414 local dev=$1; shift 415 local max_iterations=${1:-$WAIT_TIMEOUT}; shift 416 local wait_time=${1:-$WAIT_TIME}; shift 417 local i 418 419 for ((i = 1; i <= $max_iterations; ++i)); do 420 ip link show dev $dev up \ 421 | grep 'state UP' &> /dev/null 422 if [[ $? -ne 0 ]]; then 423 sleep 1 424 else 425 sleep $wait_time 426 return 0 427 fi 428 done 429 430 return 1 431} 432 433setup_wait() 434{ 435 local num_netifs=${1:-$NUM_NETIFS} 436 local i 437 438 for ((i = 1; i <= num_netifs; ++i)); do 439 setup_wait_dev ${NETIFS[p$i]} 0 440 done 441 442 # Make sure links are ready. 443 sleep $WAIT_TIME 444} 445 446cmd_jq() 447{ 448 local cmd=$1 449 local jq_exp=$2 450 local jq_opts=$3 451 local ret 452 local output 453 454 output="$($cmd)" 455 # it the command fails, return error right away 456 ret=$? 457 if [[ $ret -ne 0 ]]; then 458 return $ret 459 fi 460 output=$(echo $output | jq -r $jq_opts "$jq_exp") 461 ret=$? 462 if [[ $ret -ne 0 ]]; then 463 return $ret 464 fi 465 echo $output 466 # return success only in case of non-empty output 467 [ ! -z "$output" ] 468} 469 470lldpad_app_wait_set() 471{ 472 local dev=$1; shift 473 474 while lldptool -t -i $dev -V APP -c app | grep -Eq "pending|unknown"; do 475 echo "$dev: waiting for lldpad to push pending APP updates" 476 sleep 5 477 done 478} 479 480lldpad_app_wait_del() 481{ 482 # Give lldpad a chance to push down the changes. If the device is downed 483 # too soon, the updates will be left pending. However, they will have 484 # been struck off the lldpad's DB already, so we won't be able to tell 485 # they are pending. Then on next test iteration this would cause 486 # weirdness as newly-added APP rules conflict with the old ones, 487 # sometimes getting stuck in an "unknown" state. 488 sleep 5 489} 490 491pre_cleanup() 492{ 493 if [ "${PAUSE_ON_CLEANUP}" = "yes" ]; then 494 echo "Pausing before cleanup, hit any key to continue" 495 read 496 fi 497} 498 499vrf_prepare() 500{ 501 ip -4 rule add pref 32765 table local 502 ip -4 rule del pref 0 503 ip -6 rule add pref 32765 table local 504 ip -6 rule del pref 0 505} 506 507vrf_cleanup() 508{ 509 ip -6 rule add pref 0 table local 510 ip -6 rule del pref 32765 511 ip -4 rule add pref 0 table local 512 ip -4 rule del pref 32765 513} 514 515__last_tb_id=0 516declare -A __TB_IDS 517 518__vrf_td_id_assign() 519{ 520 local vrf_name=$1 521 522 __last_tb_id=$((__last_tb_id + 1)) 523 __TB_IDS[$vrf_name]=$__last_tb_id 524 return $__last_tb_id 525} 526 527__vrf_td_id_lookup() 528{ 529 local vrf_name=$1 530 531 return ${__TB_IDS[$vrf_name]} 532} 533 534vrf_create() 535{ 536 local vrf_name=$1 537 local tb_id 538 539 __vrf_td_id_assign $vrf_name 540 tb_id=$? 541 542 ip link add dev $vrf_name type vrf table $tb_id 543 ip -4 route add table $tb_id unreachable default metric 4278198272 544 ip -6 route add table $tb_id unreachable default metric 4278198272 545} 546 547vrf_destroy() 548{ 549 local vrf_name=$1 550 local tb_id 551 552 __vrf_td_id_lookup $vrf_name 553 tb_id=$? 554 555 ip -6 route del table $tb_id unreachable default metric 4278198272 556 ip -4 route del table $tb_id unreachable default metric 4278198272 557 ip link del dev $vrf_name 558} 559 560__addr_add_del() 561{ 562 local if_name=$1 563 local add_del=$2 564 local array 565 566 shift 567 shift 568 array=("${@}") 569 570 for addrstr in "${array[@]}"; do 571 ip address $add_del $addrstr dev $if_name 572 done 573} 574 575__simple_if_init() 576{ 577 local if_name=$1; shift 578 local vrf_name=$1; shift 579 local addrs=("${@}") 580 581 ip link set dev $if_name master $vrf_name 582 ip link set dev $if_name up 583 584 __addr_add_del $if_name add "${addrs[@]}" 585} 586 587__simple_if_fini() 588{ 589 local if_name=$1; shift 590 local addrs=("${@}") 591 592 __addr_add_del $if_name del "${addrs[@]}" 593 594 ip link set dev $if_name down 595 ip link set dev $if_name nomaster 596} 597 598simple_if_init() 599{ 600 local if_name=$1 601 local vrf_name 602 local array 603 604 shift 605 vrf_name=v$if_name 606 array=("${@}") 607 608 vrf_create $vrf_name 609 ip link set dev $vrf_name up 610 __simple_if_init $if_name $vrf_name "${array[@]}" 611} 612 613simple_if_fini() 614{ 615 local if_name=$1 616 local vrf_name 617 local array 618 619 shift 620 vrf_name=v$if_name 621 array=("${@}") 622 623 __simple_if_fini $if_name "${array[@]}" 624 vrf_destroy $vrf_name 625} 626 627tunnel_create() 628{ 629 local name=$1; shift 630 local type=$1; shift 631 local local=$1; shift 632 local remote=$1; shift 633 634 ip link add name $name type $type \ 635 local $local remote $remote "$@" 636 ip link set dev $name up 637} 638 639tunnel_destroy() 640{ 641 local name=$1; shift 642 643 ip link del dev $name 644} 645 646vlan_create() 647{ 648 local if_name=$1; shift 649 local vid=$1; shift 650 local vrf=$1; shift 651 local ips=("${@}") 652 local name=$if_name.$vid 653 654 ip link add name $name link $if_name type vlan id $vid 655 if [ "$vrf" != "" ]; then 656 ip link set dev $name master $vrf 657 fi 658 ip link set dev $name up 659 __addr_add_del $name add "${ips[@]}" 660} 661 662vlan_destroy() 663{ 664 local if_name=$1; shift 665 local vid=$1; shift 666 local name=$if_name.$vid 667 668 ip link del dev $name 669} 670 671team_create() 672{ 673 local if_name=$1; shift 674 local mode=$1; shift 675 676 require_command $TEAMD 677 $TEAMD -t $if_name -d -c '{"runner": {"name": "'$mode'"}}' 678 for slave in "$@"; do 679 ip link set dev $slave down 680 ip link set dev $slave master $if_name 681 ip link set dev $slave up 682 done 683 ip link set dev $if_name up 684} 685 686team_destroy() 687{ 688 local if_name=$1; shift 689 690 $TEAMD -t $if_name -k 691} 692 693master_name_get() 694{ 695 local if_name=$1 696 697 ip -j link show dev $if_name | jq -r '.[]["master"]' 698} 699 700link_stats_get() 701{ 702 local if_name=$1; shift 703 local dir=$1; shift 704 local stat=$1; shift 705 706 ip -j -s link show dev $if_name \ 707 | jq '.[]["stats64"]["'$dir'"]["'$stat'"]' 708} 709 710link_stats_tx_packets_get() 711{ 712 link_stats_get $1 tx packets 713} 714 715link_stats_rx_errors_get() 716{ 717 link_stats_get $1 rx errors 718} 719 720tc_rule_stats_get() 721{ 722 local dev=$1; shift 723 local pref=$1; shift 724 local dir=$1; shift 725 local selector=${1:-.packets}; shift 726 727 tc -j -s filter show dev $dev ${dir:-ingress} pref $pref \ 728 | jq ".[1].options.actions[].stats$selector" 729} 730 731tc_rule_handle_stats_get() 732{ 733 local id=$1; shift 734 local handle=$1; shift 735 local selector=${1:-.packets}; shift 736 737 tc -j -s filter show $id \ 738 | jq ".[] | select(.options.handle == $handle) | \ 739 .options.actions[0].stats$selector" 740} 741 742ethtool_stats_get() 743{ 744 local dev=$1; shift 745 local stat=$1; shift 746 747 ethtool -S $dev | grep "^ *$stat:" | head -n 1 | cut -d: -f2 748} 749 750qdisc_stats_get() 751{ 752 local dev=$1; shift 753 local handle=$1; shift 754 local selector=$1; shift 755 756 tc -j -s qdisc show dev "$dev" \ 757 | jq '.[] | select(.handle == "'"$handle"'") | '"$selector" 758} 759 760qdisc_parent_stats_get() 761{ 762 local dev=$1; shift 763 local parent=$1; shift 764 local selector=$1; shift 765 766 tc -j -s qdisc show dev "$dev" invisible \ 767 | jq '.[] | select(.parent == "'"$parent"'") | '"$selector" 768} 769 770ipv6_stats_get() 771{ 772 local dev=$1; shift 773 local stat=$1; shift 774 775 cat /proc/net/dev_snmp6/$dev | grep "^$stat" | cut -f2 776} 777 778humanize() 779{ 780 local speed=$1; shift 781 782 for unit in bps Kbps Mbps Gbps; do 783 if (($(echo "$speed < 1024" | bc))); then 784 break 785 fi 786 787 speed=$(echo "scale=1; $speed / 1024" | bc) 788 done 789 790 echo "$speed${unit}" 791} 792 793rate() 794{ 795 local t0=$1; shift 796 local t1=$1; shift 797 local interval=$1; shift 798 799 echo $((8 * (t1 - t0) / interval)) 800} 801 802packets_rate() 803{ 804 local t0=$1; shift 805 local t1=$1; shift 806 local interval=$1; shift 807 808 echo $(((t1 - t0) / interval)) 809} 810 811mac_get() 812{ 813 local if_name=$1 814 815 ip -j link show dev $if_name | jq -r '.[]["address"]' 816} 817 818bridge_ageing_time_get() 819{ 820 local bridge=$1 821 local ageing_time 822 823 # Need to divide by 100 to convert to seconds. 824 ageing_time=$(ip -j -d link show dev $bridge \ 825 | jq '.[]["linkinfo"]["info_data"]["ageing_time"]') 826 echo $((ageing_time / 100)) 827} 828 829declare -A SYSCTL_ORIG 830sysctl_set() 831{ 832 local key=$1; shift 833 local value=$1; shift 834 835 SYSCTL_ORIG[$key]=$(sysctl -n $key) 836 sysctl -qw $key=$value 837} 838 839sysctl_restore() 840{ 841 local key=$1; shift 842 843 sysctl -qw $key=${SYSCTL_ORIG["$key"]} 844} 845 846forwarding_enable() 847{ 848 sysctl_set net.ipv4.conf.all.forwarding 1 849 sysctl_set net.ipv6.conf.all.forwarding 1 850} 851 852forwarding_restore() 853{ 854 sysctl_restore net.ipv6.conf.all.forwarding 855 sysctl_restore net.ipv4.conf.all.forwarding 856} 857 858declare -A MTU_ORIG 859mtu_set() 860{ 861 local dev=$1; shift 862 local mtu=$1; shift 863 864 MTU_ORIG["$dev"]=$(ip -j link show dev $dev | jq -e '.[].mtu') 865 ip link set dev $dev mtu $mtu 866} 867 868mtu_restore() 869{ 870 local dev=$1; shift 871 872 ip link set dev $dev mtu ${MTU_ORIG["$dev"]} 873} 874 875tc_offload_check() 876{ 877 local num_netifs=${1:-$NUM_NETIFS} 878 879 for ((i = 1; i <= num_netifs; ++i)); do 880 ethtool -k ${NETIFS[p$i]} \ 881 | grep "hw-tc-offload: on" &> /dev/null 882 if [[ $? -ne 0 ]]; then 883 return 1 884 fi 885 done 886 887 return 0 888} 889 890trap_install() 891{ 892 local dev=$1; shift 893 local direction=$1; shift 894 895 # Some devices may not support or need in-hardware trapping of traffic 896 # (e.g. the veth pairs that this library creates for non-existent 897 # loopbacks). Use continue instead, so that there is a filter in there 898 # (some tests check counters), and so that other filters are still 899 # processed. 900 tc filter add dev $dev $direction pref 1 \ 901 flower skip_sw action trap 2>/dev/null \ 902 || tc filter add dev $dev $direction pref 1 \ 903 flower action continue 904} 905 906trap_uninstall() 907{ 908 local dev=$1; shift 909 local direction=$1; shift 910 911 tc filter del dev $dev $direction pref 1 flower 912} 913 914slow_path_trap_install() 915{ 916 # For slow-path testing, we need to install a trap to get to 917 # slow path the packets that would otherwise be switched in HW. 918 if [ "${tcflags/skip_hw}" != "$tcflags" ]; then 919 trap_install "$@" 920 fi 921} 922 923slow_path_trap_uninstall() 924{ 925 if [ "${tcflags/skip_hw}" != "$tcflags" ]; then 926 trap_uninstall "$@" 927 fi 928} 929 930__icmp_capture_add_del() 931{ 932 local add_del=$1; shift 933 local pref=$1; shift 934 local vsuf=$1; shift 935 local tundev=$1; shift 936 local filter=$1; shift 937 938 tc filter $add_del dev "$tundev" ingress \ 939 proto ip$vsuf pref $pref \ 940 flower ip_proto icmp$vsuf $filter \ 941 action pass 942} 943 944icmp_capture_install() 945{ 946 __icmp_capture_add_del add 100 "" "$@" 947} 948 949icmp_capture_uninstall() 950{ 951 __icmp_capture_add_del del 100 "" "$@" 952} 953 954icmp6_capture_install() 955{ 956 __icmp_capture_add_del add 100 v6 "$@" 957} 958 959icmp6_capture_uninstall() 960{ 961 __icmp_capture_add_del del 100 v6 "$@" 962} 963 964__vlan_capture_add_del() 965{ 966 local add_del=$1; shift 967 local pref=$1; shift 968 local dev=$1; shift 969 local filter=$1; shift 970 971 tc filter $add_del dev "$dev" ingress \ 972 proto 802.1q pref $pref \ 973 flower $filter \ 974 action pass 975} 976 977vlan_capture_install() 978{ 979 __vlan_capture_add_del add 100 "$@" 980} 981 982vlan_capture_uninstall() 983{ 984 __vlan_capture_add_del del 100 "$@" 985} 986 987__dscp_capture_add_del() 988{ 989 local add_del=$1; shift 990 local dev=$1; shift 991 local base=$1; shift 992 local dscp; 993 994 for prio in {0..7}; do 995 dscp=$((base + prio)) 996 __icmp_capture_add_del $add_del $((dscp + 100)) "" $dev \ 997 "skip_hw ip_tos $((dscp << 2))" 998 done 999} 1000 1001dscp_capture_install() 1002{ 1003 local dev=$1; shift 1004 local base=$1; shift 1005 1006 __dscp_capture_add_del add $dev $base 1007} 1008 1009dscp_capture_uninstall() 1010{ 1011 local dev=$1; shift 1012 local base=$1; shift 1013 1014 __dscp_capture_add_del del $dev $base 1015} 1016 1017dscp_fetch_stats() 1018{ 1019 local dev=$1; shift 1020 local base=$1; shift 1021 1022 for prio in {0..7}; do 1023 local dscp=$((base + prio)) 1024 local t=$(tc_rule_stats_get $dev $((dscp + 100))) 1025 echo "[$dscp]=$t " 1026 done 1027} 1028 1029matchall_sink_create() 1030{ 1031 local dev=$1; shift 1032 1033 tc qdisc add dev $dev clsact 1034 tc filter add dev $dev ingress \ 1035 pref 10000 \ 1036 matchall \ 1037 action drop 1038} 1039 1040tests_run() 1041{ 1042 local current_test 1043 1044 for current_test in ${TESTS:-$ALL_TESTS}; do 1045 $current_test 1046 done 1047} 1048 1049multipath_eval() 1050{ 1051 local desc="$1" 1052 local weight_rp12=$2 1053 local weight_rp13=$3 1054 local packets_rp12=$4 1055 local packets_rp13=$5 1056 local weights_ratio packets_ratio diff 1057 1058 RET=0 1059 1060 if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then 1061 weights_ratio=$(echo "scale=2; $weight_rp12 / $weight_rp13" \ 1062 | bc -l) 1063 else 1064 weights_ratio=$(echo "scale=2; $weight_rp13 / $weight_rp12" \ 1065 | bc -l) 1066 fi 1067 1068 if [[ "$packets_rp12" -eq "0" || "$packets_rp13" -eq "0" ]]; then 1069 check_err 1 "Packet difference is 0" 1070 log_test "Multipath" 1071 log_info "Expected ratio $weights_ratio" 1072 return 1073 fi 1074 1075 if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then 1076 packets_ratio=$(echo "scale=2; $packets_rp12 / $packets_rp13" \ 1077 | bc -l) 1078 else 1079 packets_ratio=$(echo "scale=2; $packets_rp13 / $packets_rp12" \ 1080 | bc -l) 1081 fi 1082 1083 diff=$(echo $weights_ratio - $packets_ratio | bc -l) 1084 diff=${diff#-} 1085 1086 test "$(echo "$diff / $weights_ratio > 0.15" | bc -l)" -eq 0 1087 check_err $? "Too large discrepancy between expected and measured ratios" 1088 log_test "$desc" 1089 log_info "Expected ratio $weights_ratio Measured ratio $packets_ratio" 1090} 1091 1092in_ns() 1093{ 1094 local name=$1; shift 1095 1096 ip netns exec $name bash <<-EOF 1097 NUM_NETIFS=0 1098 source lib.sh 1099 $(for a in "$@"; do printf "%q${IFS:0:1}" "$a"; done) 1100 EOF 1101} 1102 1103############################################################################## 1104# Tests 1105 1106ping_do() 1107{ 1108 local if_name=$1 1109 local dip=$2 1110 local args=$3 1111 local vrf_name 1112 1113 vrf_name=$(master_name_get $if_name) 1114 ip vrf exec $vrf_name \ 1115 $PING $args $dip -c $PING_COUNT -i 0.1 \ 1116 -w $PING_TIMEOUT &> /dev/null 1117} 1118 1119ping_test() 1120{ 1121 RET=0 1122 1123 ping_do $1 $2 1124 check_err $? 1125 log_test "ping$3" 1126} 1127 1128ping6_do() 1129{ 1130 local if_name=$1 1131 local dip=$2 1132 local args=$3 1133 local vrf_name 1134 1135 vrf_name=$(master_name_get $if_name) 1136 ip vrf exec $vrf_name \ 1137 $PING6 $args $dip -c $PING_COUNT -i 0.1 \ 1138 -w $PING_TIMEOUT &> /dev/null 1139} 1140 1141ping6_test() 1142{ 1143 RET=0 1144 1145 ping6_do $1 $2 1146 check_err $? 1147 log_test "ping6$3" 1148} 1149 1150learning_test() 1151{ 1152 local bridge=$1 1153 local br_port1=$2 # Connected to `host1_if`. 1154 local host1_if=$3 1155 local host2_if=$4 1156 local mac=de:ad:be:ef:13:37 1157 local ageing_time 1158 1159 RET=0 1160 1161 bridge -j fdb show br $bridge brport $br_port1 \ 1162 | jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null 1163 check_fail $? "Found FDB record when should not" 1164 1165 # Disable unknown unicast flooding on `br_port1` to make sure 1166 # packets are only forwarded through the port after a matching 1167 # FDB entry was installed. 1168 bridge link set dev $br_port1 flood off 1169 1170 tc qdisc add dev $host1_if ingress 1171 tc filter add dev $host1_if ingress protocol ip pref 1 handle 101 \ 1172 flower dst_mac $mac action drop 1173 1174 $MZ $host2_if -c 1 -p 64 -b $mac -t ip -q 1175 sleep 1 1176 1177 tc -j -s filter show dev $host1_if ingress \ 1178 | jq -e ".[] | select(.options.handle == 101) \ 1179 | select(.options.actions[0].stats.packets == 1)" &> /dev/null 1180 check_fail $? "Packet reached second host when should not" 1181 1182 $MZ $host1_if -c 1 -p 64 -a $mac -t ip -q 1183 sleep 1 1184 1185 bridge -j fdb show br $bridge brport $br_port1 \ 1186 | jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null 1187 check_err $? "Did not find FDB record when should" 1188 1189 $MZ $host2_if -c 1 -p 64 -b $mac -t ip -q 1190 sleep 1 1191 1192 tc -j -s filter show dev $host1_if ingress \ 1193 | jq -e ".[] | select(.options.handle == 101) \ 1194 | select(.options.actions[0].stats.packets == 1)" &> /dev/null 1195 check_err $? "Packet did not reach second host when should" 1196 1197 # Wait for 10 seconds after the ageing time to make sure FDB 1198 # record was aged-out. 1199 ageing_time=$(bridge_ageing_time_get $bridge) 1200 sleep $((ageing_time + 10)) 1201 1202 bridge -j fdb show br $bridge brport $br_port1 \ 1203 | jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null 1204 check_fail $? "Found FDB record when should not" 1205 1206 bridge link set dev $br_port1 learning off 1207 1208 $MZ $host1_if -c 1 -p 64 -a $mac -t ip -q 1209 sleep 1 1210 1211 bridge -j fdb show br $bridge brport $br_port1 \ 1212 | jq -e ".[] | select(.mac == \"$mac\")" &> /dev/null 1213 check_fail $? "Found FDB record when should not" 1214 1215 bridge link set dev $br_port1 learning on 1216 1217 tc filter del dev $host1_if ingress protocol ip pref 1 handle 101 flower 1218 tc qdisc del dev $host1_if ingress 1219 1220 bridge link set dev $br_port1 flood on 1221 1222 log_test "FDB learning" 1223} 1224 1225flood_test_do() 1226{ 1227 local should_flood=$1 1228 local mac=$2 1229 local ip=$3 1230 local host1_if=$4 1231 local host2_if=$5 1232 local err=0 1233 1234 # Add an ACL on `host2_if` which will tell us whether the packet 1235 # was flooded to it or not. 1236 tc qdisc add dev $host2_if ingress 1237 tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \ 1238 flower dst_mac $mac action drop 1239 1240 $MZ $host1_if -c 1 -p 64 -b $mac -B $ip -t ip -q 1241 sleep 1 1242 1243 tc -j -s filter show dev $host2_if ingress \ 1244 | jq -e ".[] | select(.options.handle == 101) \ 1245 | select(.options.actions[0].stats.packets == 1)" &> /dev/null 1246 if [[ $? -ne 0 && $should_flood == "true" || \ 1247 $? -eq 0 && $should_flood == "false" ]]; then 1248 err=1 1249 fi 1250 1251 tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower 1252 tc qdisc del dev $host2_if ingress 1253 1254 return $err 1255} 1256 1257flood_unicast_test() 1258{ 1259 local br_port=$1 1260 local host1_if=$2 1261 local host2_if=$3 1262 local mac=de:ad:be:ef:13:37 1263 local ip=192.0.2.100 1264 1265 RET=0 1266 1267 bridge link set dev $br_port flood off 1268 1269 flood_test_do false $mac $ip $host1_if $host2_if 1270 check_err $? "Packet flooded when should not" 1271 1272 bridge link set dev $br_port flood on 1273 1274 flood_test_do true $mac $ip $host1_if $host2_if 1275 check_err $? "Packet was not flooded when should" 1276 1277 log_test "Unknown unicast flood" 1278} 1279 1280flood_multicast_test() 1281{ 1282 local br_port=$1 1283 local host1_if=$2 1284 local host2_if=$3 1285 local mac=01:00:5e:00:00:01 1286 local ip=239.0.0.1 1287 1288 RET=0 1289 1290 bridge link set dev $br_port mcast_flood off 1291 1292 flood_test_do false $mac $ip $host1_if $host2_if 1293 check_err $? "Packet flooded when should not" 1294 1295 bridge link set dev $br_port mcast_flood on 1296 1297 flood_test_do true $mac $ip $host1_if $host2_if 1298 check_err $? "Packet was not flooded when should" 1299 1300 log_test "Unregistered multicast flood" 1301} 1302 1303flood_test() 1304{ 1305 # `br_port` is connected to `host2_if` 1306 local br_port=$1 1307 local host1_if=$2 1308 local host2_if=$3 1309 1310 flood_unicast_test $br_port $host1_if $host2_if 1311 flood_multicast_test $br_port $host1_if $host2_if 1312} 1313 1314__start_traffic() 1315{ 1316 local proto=$1; shift 1317 local h_in=$1; shift # Where the traffic egresses the host 1318 local sip=$1; shift 1319 local dip=$1; shift 1320 local dmac=$1; shift 1321 1322 $MZ $h_in -p 8000 -A $sip -B $dip -c 0 \ 1323 -a own -b $dmac -t "$proto" -q "$@" & 1324 sleep 1 1325} 1326 1327start_traffic() 1328{ 1329 __start_traffic udp "$@" 1330} 1331 1332start_tcp_traffic() 1333{ 1334 __start_traffic tcp "$@" 1335} 1336 1337stop_traffic() 1338{ 1339 # Suppress noise from killing mausezahn. 1340 { kill %% && wait %%; } 2>/dev/null 1341} 1342 1343tcpdump_start() 1344{ 1345 local if_name=$1; shift 1346 local ns=$1; shift 1347 1348 capfile=$(mktemp) 1349 capout=$(mktemp) 1350 1351 if [ -z $ns ]; then 1352 ns_cmd="" 1353 else 1354 ns_cmd="ip netns exec ${ns}" 1355 fi 1356 1357 if [ -z $SUDO_USER ] ; then 1358 capuser="" 1359 else 1360 capuser="-Z $SUDO_USER" 1361 fi 1362 1363 $ns_cmd tcpdump -e -n -Q in -i $if_name \ 1364 -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & 1365 cappid=$! 1366 1367 sleep 1 1368} 1369 1370tcpdump_stop() 1371{ 1372 $ns_cmd kill $cappid 1373 sleep 1 1374} 1375 1376tcpdump_cleanup() 1377{ 1378 rm $capfile $capout 1379} 1380 1381tcpdump_show() 1382{ 1383 tcpdump -e -n -r $capfile 2>&1 1384} 1385 1386# return 0 if the packet wasn't seen on host2_if or 1 if it was 1387mcast_packet_test() 1388{ 1389 local mac=$1 1390 local src_ip=$2 1391 local ip=$3 1392 local host1_if=$4 1393 local host2_if=$5 1394 local seen=0 1395 local tc_proto="ip" 1396 local mz_v6arg="" 1397 1398 # basic check to see if we were passed an IPv4 address, if not assume IPv6 1399 if [[ ! $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then 1400 tc_proto="ipv6" 1401 mz_v6arg="-6" 1402 fi 1403 1404 # Add an ACL on `host2_if` which will tell us whether the packet 1405 # was received by it or not. 1406 tc qdisc add dev $host2_if ingress 1407 tc filter add dev $host2_if ingress protocol $tc_proto pref 1 handle 101 \ 1408 flower ip_proto udp dst_mac $mac action drop 1409 1410 $MZ $host1_if $mz_v6arg -c 1 -p 64 -b $mac -A $src_ip -B $ip -t udp "dp=4096,sp=2048" -q 1411 sleep 1 1412 1413 tc -j -s filter show dev $host2_if ingress \ 1414 | jq -e ".[] | select(.options.handle == 101) \ 1415 | select(.options.actions[0].stats.packets == 1)" &> /dev/null 1416 if [[ $? -eq 0 ]]; then 1417 seen=1 1418 fi 1419 1420 tc filter del dev $host2_if ingress protocol $tc_proto pref 1 handle 101 flower 1421 tc qdisc del dev $host2_if ingress 1422 1423 return $seen 1424} 1425 1426brmcast_check_sg_entries() 1427{ 1428 local report=$1; shift 1429 local slist=("$@") 1430 local sarg="" 1431 1432 for src in "${slist[@]}"; do 1433 sarg="${sarg} and .source_list[].address == \"$src\"" 1434 done 1435 bridge -j -d -s mdb show dev br0 \ 1436 | jq -e ".[].mdb[] | \ 1437 select(.grp == \"$TEST_GROUP\" and .source_list != null $sarg)" &>/dev/null 1438 check_err $? "Wrong *,G entry source list after $report report" 1439 1440 for sgent in "${slist[@]}"; do 1441 bridge -j -d -s mdb show dev br0 \ 1442 | jq -e ".[].mdb[] | \ 1443 select(.grp == \"$TEST_GROUP\" and .src == \"$sgent\")" &>/dev/null 1444 check_err $? "Missing S,G entry ($sgent, $TEST_GROUP)" 1445 done 1446} 1447 1448brmcast_check_sg_fwding() 1449{ 1450 local should_fwd=$1; shift 1451 local sources=("$@") 1452 1453 for src in "${sources[@]}"; do 1454 local retval=0 1455 1456 mcast_packet_test $TEST_GROUP_MAC $src $TEST_GROUP $h2 $h1 1457 retval=$? 1458 if [ $should_fwd -eq 1 ]; then 1459 check_fail $retval "Didn't forward traffic from S,G ($src, $TEST_GROUP)" 1460 else 1461 check_err $retval "Forwarded traffic for blocked S,G ($src, $TEST_GROUP)" 1462 fi 1463 done 1464} 1465 1466brmcast_check_sg_state() 1467{ 1468 local is_blocked=$1; shift 1469 local sources=("$@") 1470 local should_fail=1 1471 1472 if [ $is_blocked -eq 1 ]; then 1473 should_fail=0 1474 fi 1475 1476 for src in "${sources[@]}"; do 1477 bridge -j -d -s mdb show dev br0 \ 1478 | jq -e ".[].mdb[] | \ 1479 select(.grp == \"$TEST_GROUP\" and .source_list != null) | 1480 .source_list[] | 1481 select(.address == \"$src\") | 1482 select(.timer == \"0.00\")" &>/dev/null 1483 check_err_fail $should_fail $? "Entry $src has zero timer" 1484 1485 bridge -j -d -s mdb show dev br0 \ 1486 | jq -e ".[].mdb[] | \ 1487 select(.grp == \"$TEST_GROUP\" and .src == \"$src\" and \ 1488 .flags[] == \"blocked\")" &>/dev/null 1489 check_err_fail $should_fail $? "Entry $src has blocked flag" 1490 done 1491} 1492