1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# Double quotes to prevent globbing and word splitting is recommended in new 5# code but we accept it, especially because there were too many before having 6# address all other issues detected by shellcheck. 7#shellcheck disable=SC2086 8 9ret=0 10sin="" 11sinfail="" 12sout="" 13cin="" 14cinfail="" 15cinsent="" 16cout="" 17capout="" 18ns1="" 19ns2="" 20ksft_skip=4 21timeout_poll=30 22timeout_test=$((timeout_poll * 2 + 1)) 23capture=0 24checksum=0 25ip_mptcp=0 26check_invert=0 27validate_checksum=0 28init=0 29evts_ns1="" 30evts_ns2="" 31evts_ns1_pid=0 32evts_ns2_pid=0 33 34declare -A all_tests 35declare -a only_tests_ids 36declare -a only_tests_names 37declare -A failed_tests 38TEST_COUNT=0 39TEST_NAME="" 40nr_blank=40 41 42export FAILING_LINKS="" 43 44# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) || 45# (ip6 && (ip6[74] & 0xf0) == 0x30)'" 46CBPF_MPTCP_SUBOPTION_ADD_ADDR="14, 47 48 0 0 0, 48 84 0 0 240, 49 21 0 3 64, 50 48 0 0 54, 51 84 0 0 240, 52 21 6 7 48, 53 48 0 0 0, 54 84 0 0 240, 55 21 0 4 96, 56 48 0 0 74, 57 84 0 0 240, 58 21 0 1 48, 59 6 0 0 65535, 60 6 0 0 0" 61 62init_partial() 63{ 64 capout=$(mktemp) 65 66 local sec rndh 67 sec=$(date +%s) 68 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) 69 70 ns1="ns1-$rndh" 71 ns2="ns2-$rndh" 72 73 local netns 74 for netns in "$ns1" "$ns2"; do 75 ip netns add $netns || exit $ksft_skip 76 ip -net $netns link set lo up 77 ip netns exec $netns sysctl -q net.mptcp.enabled=1 78 ip netns exec $netns sysctl -q net.mptcp.pm_type=0 79 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0 80 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0 81 if [ $checksum -eq 1 ]; then 82 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1 83 fi 84 done 85 86 check_invert=0 87 validate_checksum=$checksum 88 FAILING_LINKS="" 89 90 # ns1 ns2 91 # ns1eth1 ns2eth1 92 # ns1eth2 ns2eth2 93 # ns1eth3 ns2eth3 94 # ns1eth4 ns2eth4 95 96 local i 97 for i in $(seq 1 4); do 98 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2" 99 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i 100 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad 101 ip -net "$ns1" link set ns1eth$i up 102 103 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i 104 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad 105 ip -net "$ns2" link set ns2eth$i up 106 107 # let $ns2 reach any $ns1 address from any interface 108 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i 109 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i 110 done 111} 112 113init_shapers() 114{ 115 local i 116 for i in $(seq 1 4); do 117 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1 118 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1 119 done 120} 121 122cleanup_partial() 123{ 124 rm -f "$capout" 125 126 local netns 127 for netns in "$ns1" "$ns2"; do 128 ip netns del $netns 129 rm -f /tmp/$netns.{nstat,out} 130 done 131} 132 133check_tools() 134{ 135 if ! ip -Version &> /dev/null; then 136 echo "SKIP: Could not run test without ip tool" 137 exit $ksft_skip 138 fi 139 140 if ! iptables -V &> /dev/null; then 141 echo "SKIP: Could not run all tests without iptables tool" 142 exit $ksft_skip 143 fi 144 145 if ! ip6tables -V &> /dev/null; then 146 echo "SKIP: Could not run all tests without ip6tables tool" 147 exit $ksft_skip 148 fi 149} 150 151init() { 152 init=1 153 154 check_tools 155 156 sin=$(mktemp) 157 sout=$(mktemp) 158 cin=$(mktemp) 159 cinsent=$(mktemp) 160 cout=$(mktemp) 161 evts_ns1=$(mktemp) 162 evts_ns2=$(mktemp) 163 164 trap cleanup EXIT 165 166 make_file "$cin" "client" 1 167 make_file "$sin" "server" 1 168} 169 170cleanup() 171{ 172 rm -f "$cin" "$cout" "$sinfail" 173 rm -f "$sin" "$sout" "$cinsent" "$cinfail" 174 rm -rf $evts_ns1 $evts_ns2 175 cleanup_partial 176} 177 178skip_test() 179{ 180 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then 181 return 1 182 fi 183 184 local i 185 for i in "${only_tests_ids[@]}"; do 186 if [ "${TEST_COUNT}" -eq "${i}" ]; then 187 return 1 188 fi 189 done 190 for i in "${only_tests_names[@]}"; do 191 if [ "${TEST_NAME}" = "${i}" ]; then 192 return 1 193 fi 194 done 195 196 return 0 197} 198 199# $1: test name 200reset() 201{ 202 TEST_NAME="${1}" 203 204 TEST_COUNT=$((TEST_COUNT+1)) 205 206 if skip_test; then 207 return 1 208 fi 209 210 if [ "${init}" != "1" ]; then 211 init 212 else 213 cleanup_partial 214 fi 215 216 init_partial 217 218 return 0 219} 220 221# $1: test name 222reset_with_cookies() 223{ 224 reset "${1}" || return 1 225 226 local netns 227 for netns in "$ns1" "$ns2"; do 228 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2 229 done 230} 231 232# $1: test name 233reset_with_add_addr_timeout() 234{ 235 local ip="${2:-4}" 236 local tables 237 238 reset "${1}" || return 1 239 240 tables="iptables" 241 if [ $ip -eq 6 ]; then 242 tables="ip6tables" 243 fi 244 245 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 246 ip netns exec $ns2 $tables -A OUTPUT -p tcp \ 247 -m tcp --tcp-option 30 \ 248 -m bpf --bytecode \ 249 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \ 250 -j DROP 251} 252 253# $1: test name 254reset_with_checksum() 255{ 256 local ns1_enable=$1 257 local ns2_enable=$2 258 259 reset "checksum test ${1} ${2}" || return 1 260 261 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable 262 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable 263 264 validate_checksum=1 265} 266 267reset_with_allow_join_id0() 268{ 269 local ns1_enable=$2 270 local ns2_enable=$3 271 272 reset "${1}" || return 1 273 274 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable 275 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable 276} 277 278# Modify TCP payload without corrupting the TCP packet 279# 280# This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets 281# carrying enough data. 282# Once it is done, the TCP Checksum field is updated so the packet is still 283# considered as valid at the TCP level. 284# Because the MPTCP checksum, covering the TCP options and data, has not been 285# updated, the modification will be detected and an MP_FAIL will be emitted: 286# what we want to validate here without corrupting "random" MPTCP options. 287# 288# To avoid having tc producing this pr_info() message for each TCP ACK packets 289# not carrying enough data: 290# 291# tc action pedit offset 162 out of bounds 292# 293# Netfilter is used to mark packets with enough data. 294reset_with_fail() 295{ 296 reset "${1}" || return 1 297 298 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1 299 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1 300 301 check_invert=1 302 validate_checksum=1 303 local i="$2" 304 local ip="${3:-4}" 305 local tables 306 307 tables="iptables" 308 if [ $ip -eq 6 ]; then 309 tables="ip6tables" 310 fi 311 312 ip netns exec $ns2 $tables \ 313 -t mangle \ 314 -A OUTPUT \ 315 -o ns2eth$i \ 316 -p tcp \ 317 -m length --length 150:9999 \ 318 -m statistic --mode nth --packet 1 --every 99999 \ 319 -j MARK --set-mark 42 || exit 1 320 321 tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1 322 tc -n $ns2 filter add dev ns2eth$i egress \ 323 protocol ip prio 1000 \ 324 handle 42 fw \ 325 action pedit munge offset 148 u8 invert \ 326 pipe csum tcp \ 327 index 100 || exit 1 328} 329 330reset_with_events() 331{ 332 reset "${1}" || return 1 333 334 :> "$evts_ns1" 335 :> "$evts_ns2" 336 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 & 337 evts_ns1_pid=$! 338 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 & 339 evts_ns2_pid=$! 340} 341 342fail_test() 343{ 344 ret=1 345 failed_tests[${TEST_COUNT}]="${TEST_NAME}" 346} 347 348get_failed_tests_ids() 349{ 350 # sorted 351 local i 352 for i in "${!failed_tests[@]}"; do 353 echo "${i}" 354 done | sort -n 355} 356 357print_file_err() 358{ 359 ls -l "$1" 1>&2 360 echo "Trailing bytes are: " 361 tail -c 27 "$1" 362} 363 364check_transfer() 365{ 366 local in=$1 367 local out=$2 368 local what=$3 369 local bytes=$4 370 local i a b 371 372 local line 373 if [ -n "$bytes" ]; then 374 # when truncating we must check the size explicitly 375 local out_size=$(wc -c $out | awk '{print $1}') 376 if [ $out_size -ne $bytes ]; then 377 echo "[ FAIL ] $what output file has wrong size ($out_size, $bytes)" 378 fail_test 379 return 1 380 fi 381 bytes="--bytes=${bytes}" 382 fi 383 cmp -l "$in" "$out" ${bytes} | while read -r i a b; do 384 local sum=$((0${a} + 0${b})) 385 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then 386 echo "[ FAIL ] $what does not match (in, out):" 387 print_file_err "$in" 388 print_file_err "$out" 389 fail_test 390 391 return 1 392 else 393 echo "$what has inverted byte at ${i}" 394 fi 395 done 396 397 return 0 398} 399 400do_ping() 401{ 402 local listener_ns="$1" 403 local connector_ns="$2" 404 local connect_addr="$3" 405 406 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then 407 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2 408 fail_test 409 fi 410} 411 412link_failure() 413{ 414 local ns="$1" 415 416 if [ -z "$FAILING_LINKS" ]; then 417 l=$((RANDOM%4)) 418 FAILING_LINKS=$((l+1)) 419 fi 420 421 local l 422 for l in $FAILING_LINKS; do 423 local veth="ns1eth$l" 424 ip -net "$ns" link set "$veth" down 425 done 426} 427 428# $1: IP address 429is_v6() 430{ 431 [ -z "${1##*:*}" ] 432} 433 434# $1: ns, $2: port 435wait_local_port_listen() 436{ 437 local listener_ns="${1}" 438 local port="${2}" 439 440 local port_hex 441 port_hex="$(printf "%04X" "${port}")" 442 443 local i 444 for i in $(seq 10); do 445 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \ 446 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" && 447 break 448 sleep 0.1 449 done 450} 451 452rm_addr_count() 453{ 454 local ns=${1} 455 456 ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}' 457} 458 459# $1: ns, $2: old rm_addr counter in $ns 460wait_rm_addr() 461{ 462 local ns="${1}" 463 local old_cnt="${2}" 464 local cnt 465 466 local i 467 for i in $(seq 10); do 468 cnt=$(rm_addr_count ${ns}) 469 [ "$cnt" = "${old_cnt}" ] || break 470 sleep 0.1 471 done 472} 473 474wait_mpj() 475{ 476 local ns="${1}" 477 local cnt old_cnt 478 479 old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}') 480 481 local i 482 for i in $(seq 10); do 483 cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}') 484 [ "$cnt" = "${old_cnt}" ] || break 485 sleep 0.1 486 done 487} 488 489kill_wait() 490{ 491 kill $1 > /dev/null 2>&1 492 wait $1 2>/dev/null 493} 494 495kill_events_pids() 496{ 497 kill_wait $evts_ns1_pid 498 kill_wait $evts_ns2_pid 499} 500 501kill_tests_wait() 502{ 503 kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1) 504 wait 505} 506 507pm_nl_set_limits() 508{ 509 local ns=$1 510 local addrs=$2 511 local subflows=$3 512 513 if [ $ip_mptcp -eq 1 ]; then 514 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows 515 else 516 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows 517 fi 518} 519 520pm_nl_add_endpoint() 521{ 522 local ns=$1 523 local addr=$2 524 local flags _flags 525 local port _port 526 local dev _dev 527 local id _id 528 local nr=2 529 530 local p 531 for p in "${@}" 532 do 533 if [ $p = "flags" ]; then 534 eval _flags=\$"$nr" 535 [ -n "$_flags" ]; flags="flags $_flags" 536 fi 537 if [ $p = "dev" ]; then 538 eval _dev=\$"$nr" 539 [ -n "$_dev" ]; dev="dev $_dev" 540 fi 541 if [ $p = "id" ]; then 542 eval _id=\$"$nr" 543 [ -n "$_id" ]; id="id $_id" 544 fi 545 if [ $p = "port" ]; then 546 eval _port=\$"$nr" 547 [ -n "$_port" ]; port="port $_port" 548 fi 549 550 nr=$((nr + 1)) 551 done 552 553 if [ $ip_mptcp -eq 1 ]; then 554 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port 555 else 556 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port 557 fi 558} 559 560pm_nl_del_endpoint() 561{ 562 local ns=$1 563 local id=$2 564 local addr=$3 565 566 if [ $ip_mptcp -eq 1 ]; then 567 ip -n $ns mptcp endpoint delete id $id $addr 568 else 569 ip netns exec $ns ./pm_nl_ctl del $id $addr 570 fi 571} 572 573pm_nl_flush_endpoint() 574{ 575 local ns=$1 576 577 if [ $ip_mptcp -eq 1 ]; then 578 ip -n $ns mptcp endpoint flush 579 else 580 ip netns exec $ns ./pm_nl_ctl flush 581 fi 582} 583 584pm_nl_show_endpoints() 585{ 586 local ns=$1 587 588 if [ $ip_mptcp -eq 1 ]; then 589 ip -n $ns mptcp endpoint show 590 else 591 ip netns exec $ns ./pm_nl_ctl dump 592 fi 593} 594 595pm_nl_change_endpoint() 596{ 597 local ns=$1 598 local id=$2 599 local flags=$3 600 601 if [ $ip_mptcp -eq 1 ]; then 602 ip -n $ns mptcp endpoint change id $id ${flags//","/" "} 603 else 604 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags 605 fi 606} 607 608pm_nl_check_endpoint() 609{ 610 local line expected_line 611 local need_title=$1 612 local msg="$2" 613 local ns=$3 614 local addr=$4 615 local _flags="" 616 local flags 617 local _port 618 local port 619 local dev 620 local _id 621 local id 622 623 if [ "${need_title}" = 1 ]; then 624 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}" 625 else 626 printf "%-${nr_blank}s %s" " " "${msg}" 627 fi 628 629 shift 4 630 while [ -n "$1" ]; do 631 if [ $1 = "flags" ]; then 632 _flags=$2 633 [ -n "$_flags" ]; flags="flags $_flags" 634 shift 635 elif [ $1 = "dev" ]; then 636 [ -n "$2" ]; dev="dev $1" 637 shift 638 elif [ $1 = "id" ]; then 639 _id=$2 640 [ -n "$_id" ]; id="id $_id" 641 shift 642 elif [ $1 = "port" ]; then 643 _port=$2 644 [ -n "$_port" ]; port=" port $_port" 645 shift 646 fi 647 648 shift 649 done 650 651 if [ -z "$id" ]; then 652 echo "[skip] bad test - missing endpoint id" 653 return 654 fi 655 656 if [ $ip_mptcp -eq 1 ]; then 657 line=$(ip -n $ns mptcp endpoint show $id) 658 # the dump order is: address id flags port dev 659 expected_line="$addr" 660 [ -n "$addr" ] && expected_line="$expected_line $addr" 661 expected_line="$expected_line $id" 662 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}" 663 [ -n "$dev" ] && expected_line="$expected_line $dev" 664 [ -n "$port" ] && expected_line="$expected_line $port" 665 else 666 line=$(ip netns exec $ns ./pm_nl_ctl get $_id) 667 # the dump order is: id flags dev address port 668 expected_line="$id" 669 [ -n "$flags" ] && expected_line="$expected_line $flags" 670 [ -n "$dev" ] && expected_line="$expected_line $dev" 671 [ -n "$addr" ] && expected_line="$expected_line $addr" 672 [ -n "$_port" ] && expected_line="$expected_line $_port" 673 fi 674 if [ "$line" = "$expected_line" ]; then 675 echo "[ ok ]" 676 else 677 echo "[fail] expected '$expected_line' found '$line'" 678 fail_test 679 fi 680} 681 682filter_tcp_from() 683{ 684 local ns="${1}" 685 local src="${2}" 686 local target="${3}" 687 688 ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}" 689} 690 691do_transfer() 692{ 693 local listener_ns="$1" 694 local connector_ns="$2" 695 local cl_proto="$3" 696 local srv_proto="$4" 697 local connect_addr="$5" 698 local test_link_fail="$6" 699 local addr_nr_ns1="$7" 700 local addr_nr_ns2="$8" 701 local speed="$9" 702 local sflags="${10}" 703 704 local port=$((10000 + TEST_COUNT - 1)) 705 local cappid 706 local userspace_pm=0 707 708 :> "$cout" 709 :> "$sout" 710 :> "$capout" 711 712 if [ $capture -eq 1 ]; then 713 local capuser 714 if [ -z $SUDO_USER ] ; then 715 capuser="" 716 else 717 capuser="-Z $SUDO_USER" 718 fi 719 720 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}") 721 722 echo "Capturing traffic for test $TEST_COUNT into $capfile" 723 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & 724 cappid=$! 725 726 sleep 1 727 fi 728 729 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 730 nstat -n 731 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 732 nstat -n 733 734 local extra_args 735 if [ $speed = "fast" ]; then 736 extra_args="-j" 737 elif [ $speed = "slow" ]; then 738 extra_args="-r 50" 739 elif [[ $speed = "speed_"* ]]; then 740 extra_args="-r ${speed:6}" 741 fi 742 743 if [[ "${addr_nr_ns1}" = "userspace_"* ]]; then 744 userspace_pm=1 745 addr_nr_ns1=${addr_nr_ns1:10} 746 fi 747 748 local flags="subflow" 749 local extra_cl_args="" 750 local extra_srv_args="" 751 local trunc_size="" 752 if [[ "${addr_nr_ns2}" = "fastclose_"* ]]; then 753 if [ ${test_link_fail} -le 1 ]; then 754 echo "fastclose tests need test_link_fail argument" 755 fail_test 756 return 1 757 fi 758 759 # disconnect 760 trunc_size=${test_link_fail} 761 local side=${addr_nr_ns2:10} 762 763 if [ ${side} = "client" ]; then 764 extra_cl_args="-f ${test_link_fail}" 765 extra_srv_args="-f -1" 766 elif [ ${side} = "server" ]; then 767 extra_srv_args="-f ${test_link_fail}" 768 extra_cl_args="-f -1" 769 else 770 echo "wrong/unknown fastclose spec ${side}" 771 fail_test 772 return 1 773 fi 774 addr_nr_ns2=0 775 elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then 776 userspace_pm=1 777 addr_nr_ns2=${addr_nr_ns2:10} 778 elif [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then 779 flags="${flags},fullmesh" 780 addr_nr_ns2=${addr_nr_ns2:9} 781 fi 782 783 extra_srv_args="$extra_args $extra_srv_args" 784 if [ "$test_link_fail" -gt 1 ];then 785 timeout ${timeout_test} \ 786 ip netns exec ${listener_ns} \ 787 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ 788 $extra_srv_args "::" < "$sinfail" > "$sout" & 789 else 790 timeout ${timeout_test} \ 791 ip netns exec ${listener_ns} \ 792 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ 793 $extra_srv_args "::" < "$sin" > "$sout" & 794 fi 795 local spid=$! 796 797 wait_local_port_listen "${listener_ns}" "${port}" 798 799 extra_cl_args="$extra_args $extra_cl_args" 800 if [ "$test_link_fail" -eq 0 ];then 801 timeout ${timeout_test} \ 802 ip netns exec ${connector_ns} \ 803 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 804 $extra_cl_args $connect_addr < "$cin" > "$cout" & 805 elif [ "$test_link_fail" -eq 1 ] || [ "$test_link_fail" -eq 2 ];then 806 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \ 807 tee "$cinsent" | \ 808 timeout ${timeout_test} \ 809 ip netns exec ${connector_ns} \ 810 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 811 $extra_cl_args $connect_addr > "$cout" & 812 else 813 tee "$cinsent" < "$cinfail" | \ 814 timeout ${timeout_test} \ 815 ip netns exec ${connector_ns} \ 816 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 817 $extra_cl_args $connect_addr > "$cout" & 818 fi 819 local cpid=$! 820 821 # let the mptcp subflow be established in background before 822 # do endpoint manipulation 823 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then 824 sleep 1 825 fi 826 827 if [ $addr_nr_ns1 -gt 0 ]; then 828 local counter=2 829 local add_nr_ns1=${addr_nr_ns1} 830 local id=10 831 local tk 832 while [ $add_nr_ns1 -gt 0 ]; do 833 local addr 834 if is_v6 "${connect_addr}"; then 835 addr="dead:beef:$counter::1" 836 else 837 addr="10.0.$counter.1" 838 fi 839 if [ $userspace_pm -eq 0 ]; then 840 pm_nl_add_endpoint $ns1 $addr flags signal 841 else 842 tk=$(grep "type:1," "$evts_ns1" | 843 sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q') 844 ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id 845 sleep 1 846 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id 847 fi 848 849 counter=$((counter + 1)) 850 add_nr_ns1=$((add_nr_ns1 - 1)) 851 id=$((id + 1)) 852 done 853 elif [ $addr_nr_ns1 -lt 0 ]; then 854 local rm_nr_ns1=$((-addr_nr_ns1)) 855 if [ $rm_nr_ns1 -lt 8 ]; then 856 local counter=0 857 local line 858 pm_nl_show_endpoints ${listener_ns} | while read -r line; do 859 # shellcheck disable=SC2206 # we do want to split per word 860 local arr=($line) 861 local nr=0 862 863 local i 864 for i in "${arr[@]}"; do 865 if [ $i = "id" ]; then 866 if [ $counter -eq $rm_nr_ns1 ]; then 867 break 868 fi 869 id=${arr[$nr+1]} 870 rm_addr=$(rm_addr_count ${connector_ns}) 871 pm_nl_del_endpoint ${listener_ns} $id 872 wait_rm_addr ${connector_ns} ${rm_addr} 873 counter=$((counter + 1)) 874 fi 875 nr=$((nr + 1)) 876 done 877 done 878 elif [ $rm_nr_ns1 -eq 8 ]; then 879 pm_nl_flush_endpoint ${listener_ns} 880 elif [ $rm_nr_ns1 -eq 9 ]; then 881 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr} 882 fi 883 fi 884 885 # if newly added endpoints must be deleted, give the background msk 886 # some time to created them 887 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1 888 889 if [ $addr_nr_ns2 -gt 0 ]; then 890 local add_nr_ns2=${addr_nr_ns2} 891 local counter=3 892 local id=20 893 local tk da dp sp 894 while [ $add_nr_ns2 -gt 0 ]; do 895 local addr 896 if is_v6 "${connect_addr}"; then 897 addr="dead:beef:$counter::2" 898 else 899 addr="10.0.$counter.2" 900 fi 901 if [ $userspace_pm -eq 0 ]; then 902 pm_nl_add_endpoint $ns2 $addr flags $flags 903 else 904 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2") 905 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2") 906 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2") 907 ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \ 908 rip $da rport $dp token $tk 909 sleep 1 910 sp=$(grep "type:10" "$evts_ns2" | 911 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q') 912 ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \ 913 rip $da rport $dp token $tk 914 fi 915 counter=$((counter + 1)) 916 add_nr_ns2=$((add_nr_ns2 - 1)) 917 id=$((id + 1)) 918 done 919 elif [ $addr_nr_ns2 -lt 0 ]; then 920 local rm_nr_ns2=$((-addr_nr_ns2)) 921 if [ $rm_nr_ns2 -lt 8 ]; then 922 local counter=0 923 local line 924 pm_nl_show_endpoints ${connector_ns} | while read -r line; do 925 # shellcheck disable=SC2206 # we do want to split per word 926 local arr=($line) 927 local nr=0 928 929 local i 930 for i in "${arr[@]}"; do 931 if [ $i = "id" ]; then 932 if [ $counter -eq $rm_nr_ns2 ]; then 933 break 934 fi 935 local id rm_addr 936 # rm_addr are serialized, allow the previous one to 937 # complete 938 id=${arr[$nr+1]} 939 rm_addr=$(rm_addr_count ${listener_ns}) 940 pm_nl_del_endpoint ${connector_ns} $id 941 wait_rm_addr ${listener_ns} ${rm_addr} 942 counter=$((counter + 1)) 943 fi 944 nr=$((nr + 1)) 945 done 946 done 947 elif [ $rm_nr_ns2 -eq 8 ]; then 948 pm_nl_flush_endpoint ${connector_ns} 949 elif [ $rm_nr_ns2 -eq 9 ]; then 950 local addr 951 if is_v6 "${connect_addr}"; then 952 addr="dead:beef:1::2" 953 else 954 addr="10.0.1.2" 955 fi 956 pm_nl_del_endpoint ${connector_ns} 0 $addr 957 fi 958 fi 959 960 if [ -n "${sflags}" ]; then 961 sleep 1 962 963 local netns 964 for netns in "$ns1" "$ns2"; do 965 local line 966 pm_nl_show_endpoints $netns | while read -r line; do 967 # shellcheck disable=SC2206 # we do want to split per word 968 local arr=($line) 969 local nr=0 970 local id 971 972 local i 973 for i in "${arr[@]}"; do 974 if [ $i = "id" ]; then 975 id=${arr[$nr+1]} 976 fi 977 nr=$((nr + 1)) 978 done 979 pm_nl_change_endpoint $netns $id $sflags 980 done 981 done 982 fi 983 984 wait $cpid 985 local retc=$? 986 wait $spid 987 local rets=$? 988 989 if [ $capture -eq 1 ]; then 990 sleep 1 991 kill $cappid 992 fi 993 994 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 995 nstat | grep Tcp > /tmp/${listener_ns}.out 996 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 997 nstat | grep Tcp > /tmp/${connector_ns}.out 998 999 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then 1000 echo " client exit code $retc, server $rets" 1>&2 1001 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2 1002 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port" 1003 cat /tmp/${listener_ns}.out 1004 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2 1005 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port" 1006 cat /tmp/${connector_ns}.out 1007 1008 cat "$capout" 1009 fail_test 1010 return 1 1011 fi 1012 1013 if [ "$test_link_fail" -gt 1 ];then 1014 check_transfer $sinfail $cout "file received by client" $trunc_size 1015 else 1016 check_transfer $sin $cout "file received by client" $trunc_size 1017 fi 1018 retc=$? 1019 if [ "$test_link_fail" -eq 0 ];then 1020 check_transfer $cin $sout "file received by server" $trunc_size 1021 else 1022 check_transfer $cinsent $sout "file received by server" $trunc_size 1023 fi 1024 rets=$? 1025 1026 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then 1027 cat "$capout" 1028 return 0 1029 fi 1030 1031 cat "$capout" 1032 return 1 1033} 1034 1035make_file() 1036{ 1037 local name=$1 1038 local who=$2 1039 local size=$3 1040 1041 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null 1042 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 1043 1044 echo "Created $name (size $size KB) containing data sent by $who" 1045} 1046 1047run_tests() 1048{ 1049 local listener_ns="$1" 1050 local connector_ns="$2" 1051 local connect_addr="$3" 1052 local test_linkfail="${4:-0}" 1053 local addr_nr_ns1="${5:-0}" 1054 local addr_nr_ns2="${6:-0}" 1055 local speed="${7:-fast}" 1056 local sflags="${8:-""}" 1057 1058 local size 1059 1060 # The values above 2 are reused to make test files 1061 # with the given sizes (KB) 1062 if [ "$test_linkfail" -gt 2 ]; then 1063 size=$test_linkfail 1064 1065 if [ -z "$cinfail" ]; then 1066 cinfail=$(mktemp) 1067 fi 1068 make_file "$cinfail" "client" $size 1069 # create the input file for the failure test when 1070 # the first failure test run 1071 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then 1072 # the client file must be considerably larger 1073 # of the maximum expected cwin value, or the 1074 # link utilization will be not predicable 1075 size=$((RANDOM%2)) 1076 size=$((size+1)) 1077 size=$((size*8192)) 1078 size=$((size + ( RANDOM % 8192) )) 1079 1080 cinfail=$(mktemp) 1081 make_file "$cinfail" "client" $size 1082 fi 1083 1084 if [ "$test_linkfail" -gt 2 ]; then 1085 size=$test_linkfail 1086 1087 if [ -z "$sinfail" ]; then 1088 sinfail=$(mktemp) 1089 fi 1090 make_file "$sinfail" "server" $size 1091 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then 1092 size=$((RANDOM%16)) 1093 size=$((size+1)) 1094 size=$((size*2048)) 1095 1096 sinfail=$(mktemp) 1097 make_file "$sinfail" "server" $size 1098 fi 1099 1100 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \ 1101 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags} 1102} 1103 1104dump_stats() 1105{ 1106 echo Server ns stats 1107 ip netns exec $ns1 nstat -as | grep Tcp 1108 echo Client ns stats 1109 ip netns exec $ns2 nstat -as | grep Tcp 1110} 1111 1112chk_csum_nr() 1113{ 1114 local csum_ns1=${1:-0} 1115 local csum_ns2=${2:-0} 1116 local count 1117 local dump_stats 1118 local extra_msg="" 1119 local allow_multi_errors_ns1=0 1120 local allow_multi_errors_ns2=0 1121 1122 if [[ "${csum_ns1}" = "+"* ]]; then 1123 allow_multi_errors_ns1=1 1124 csum_ns1=${csum_ns1:1} 1125 fi 1126 if [[ "${csum_ns2}" = "+"* ]]; then 1127 allow_multi_errors_ns2=1 1128 csum_ns2=${csum_ns2:1} 1129 fi 1130 1131 printf "%-${nr_blank}s %s" " " "sum" 1132 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}') 1133 [ -z "$count" ] && count=0 1134 if [ "$count" != "$csum_ns1" ]; then 1135 extra_msg="$extra_msg ns1=$count" 1136 fi 1137 if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } || 1138 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then 1139 echo "[fail] got $count data checksum error[s] expected $csum_ns1" 1140 fail_test 1141 dump_stats=1 1142 else 1143 echo -n "[ ok ]" 1144 fi 1145 echo -n " - csum " 1146 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}') 1147 [ -z "$count" ] && count=0 1148 if [ "$count" != "$csum_ns2" ]; then 1149 extra_msg="$extra_msg ns2=$count" 1150 fi 1151 if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } || 1152 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then 1153 echo "[fail] got $count data checksum error[s] expected $csum_ns2" 1154 fail_test 1155 dump_stats=1 1156 else 1157 echo -n "[ ok ]" 1158 fi 1159 [ "${dump_stats}" = 1 ] && dump_stats 1160 1161 echo "$extra_msg" 1162} 1163 1164chk_fail_nr() 1165{ 1166 local fail_tx=$1 1167 local fail_rx=$2 1168 local ns_invert=${3:-""} 1169 local count 1170 local dump_stats 1171 local ns_tx=$ns1 1172 local ns_rx=$ns2 1173 local extra_msg="" 1174 local allow_tx_lost=0 1175 local allow_rx_lost=0 1176 1177 if [[ $ns_invert = "invert" ]]; then 1178 ns_tx=$ns2 1179 ns_rx=$ns1 1180 extra_msg=" invert" 1181 fi 1182 1183 if [[ "${fail_tx}" = "-"* ]]; then 1184 allow_tx_lost=1 1185 fail_tx=${fail_tx:1} 1186 fi 1187 if [[ "${fail_rx}" = "-"* ]]; then 1188 allow_rx_lost=1 1189 fail_rx=${fail_rx:1} 1190 fi 1191 1192 printf "%-${nr_blank}s %s" " " "ftx" 1193 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}') 1194 [ -z "$count" ] && count=0 1195 if [ "$count" != "$fail_tx" ]; then 1196 extra_msg="$extra_msg,tx=$count" 1197 fi 1198 if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } || 1199 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then 1200 echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx" 1201 fail_test 1202 dump_stats=1 1203 else 1204 echo -n "[ ok ]" 1205 fi 1206 1207 echo -n " - failrx" 1208 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}') 1209 [ -z "$count" ] && count=0 1210 if [ "$count" != "$fail_rx" ]; then 1211 extra_msg="$extra_msg,rx=$count" 1212 fi 1213 if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } || 1214 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then 1215 echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx" 1216 fail_test 1217 dump_stats=1 1218 else 1219 echo -n "[ ok ]" 1220 fi 1221 1222 [ "${dump_stats}" = 1 ] && dump_stats 1223 1224 echo "$extra_msg" 1225} 1226 1227chk_fclose_nr() 1228{ 1229 local fclose_tx=$1 1230 local fclose_rx=$2 1231 local ns_invert=$3 1232 local count 1233 local dump_stats 1234 local ns_tx=$ns2 1235 local ns_rx=$ns1 1236 local extra_msg=" " 1237 1238 if [[ $ns_invert = "invert" ]]; then 1239 ns_tx=$ns1 1240 ns_rx=$ns2 1241 extra_msg=${extra_msg}"invert" 1242 fi 1243 1244 printf "%-${nr_blank}s %s" " " "ctx" 1245 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}') 1246 [ -z "$count" ] && count=0 1247 [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count" 1248 if [ "$count" != "$fclose_tx" ]; then 1249 echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx" 1250 fail_test 1251 dump_stats=1 1252 else 1253 echo -n "[ ok ]" 1254 fi 1255 1256 echo -n " - fclzrx" 1257 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}') 1258 [ -z "$count" ] && count=0 1259 [ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count" 1260 if [ "$count" != "$fclose_rx" ]; then 1261 echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx" 1262 fail_test 1263 dump_stats=1 1264 else 1265 echo -n "[ ok ]" 1266 fi 1267 1268 [ "${dump_stats}" = 1 ] && dump_stats 1269 1270 echo "$extra_msg" 1271} 1272 1273chk_rst_nr() 1274{ 1275 local rst_tx=$1 1276 local rst_rx=$2 1277 local ns_invert=${3:-""} 1278 local count 1279 local dump_stats 1280 local ns_tx=$ns1 1281 local ns_rx=$ns2 1282 local extra_msg="" 1283 1284 if [[ $ns_invert = "invert" ]]; then 1285 ns_tx=$ns2 1286 ns_rx=$ns1 1287 extra_msg=" invert" 1288 fi 1289 1290 printf "%-${nr_blank}s %s" " " "rtx" 1291 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}') 1292 [ -z "$count" ] && count=0 1293 if [ $count -lt $rst_tx ]; then 1294 echo "[fail] got $count MP_RST[s] TX expected $rst_tx" 1295 fail_test 1296 dump_stats=1 1297 else 1298 echo -n "[ ok ]" 1299 fi 1300 1301 echo -n " - rstrx " 1302 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}') 1303 [ -z "$count" ] && count=0 1304 if [ "$count" -lt "$rst_rx" ]; then 1305 echo "[fail] got $count MP_RST[s] RX expected $rst_rx" 1306 fail_test 1307 dump_stats=1 1308 else 1309 echo -n "[ ok ]" 1310 fi 1311 1312 [ "${dump_stats}" = 1 ] && dump_stats 1313 1314 echo "$extra_msg" 1315} 1316 1317chk_infi_nr() 1318{ 1319 local infi_tx=$1 1320 local infi_rx=$2 1321 local count 1322 local dump_stats 1323 1324 printf "%-${nr_blank}s %s" " " "itx" 1325 count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}') 1326 [ -z "$count" ] && count=0 1327 if [ "$count" != "$infi_tx" ]; then 1328 echo "[fail] got $count infinite map[s] TX expected $infi_tx" 1329 fail_test 1330 dump_stats=1 1331 else 1332 echo -n "[ ok ]" 1333 fi 1334 1335 echo -n " - infirx" 1336 count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}') 1337 [ -z "$count" ] && count=0 1338 if [ "$count" != "$infi_rx" ]; then 1339 echo "[fail] got $count infinite map[s] RX expected $infi_rx" 1340 fail_test 1341 dump_stats=1 1342 else 1343 echo "[ ok ]" 1344 fi 1345 1346 [ "${dump_stats}" = 1 ] && dump_stats 1347} 1348 1349chk_join_nr() 1350{ 1351 local syn_nr=$1 1352 local syn_ack_nr=$2 1353 local ack_nr=$3 1354 local csum_ns1=${4:-0} 1355 local csum_ns2=${5:-0} 1356 local fail_nr=${6:-0} 1357 local rst_nr=${7:-0} 1358 local infi_nr=${8:-0} 1359 local corrupted_pkts=${9:-0} 1360 local count 1361 local dump_stats 1362 local with_cookie 1363 local title="${TEST_NAME}" 1364 1365 if [ "${corrupted_pkts}" -gt 0 ]; then 1366 title+=": ${corrupted_pkts} corrupted pkts" 1367 fi 1368 1369 printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn" 1370 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}') 1371 [ -z "$count" ] && count=0 1372 if [ "$count" != "$syn_nr" ]; then 1373 echo "[fail] got $count JOIN[s] syn expected $syn_nr" 1374 fail_test 1375 dump_stats=1 1376 else 1377 echo -n "[ ok ]" 1378 fi 1379 1380 echo -n " - synack" 1381 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies) 1382 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}') 1383 [ -z "$count" ] && count=0 1384 if [ "$count" != "$syn_ack_nr" ]; then 1385 # simult connections exceeding the limit with cookie enabled could go up to 1386 # synack validation as the conn limit can be enforced reliably only after 1387 # the subflow creation 1388 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then 1389 echo -n "[ ok ]" 1390 else 1391 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr" 1392 fail_test 1393 dump_stats=1 1394 fi 1395 else 1396 echo -n "[ ok ]" 1397 fi 1398 1399 echo -n " - ack" 1400 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}') 1401 [ -z "$count" ] && count=0 1402 if [ "$count" != "$ack_nr" ]; then 1403 echo "[fail] got $count JOIN[s] ack expected $ack_nr" 1404 fail_test 1405 dump_stats=1 1406 else 1407 echo "[ ok ]" 1408 fi 1409 [ "${dump_stats}" = 1 ] && dump_stats 1410 if [ $validate_checksum -eq 1 ]; then 1411 chk_csum_nr $csum_ns1 $csum_ns2 1412 chk_fail_nr $fail_nr $fail_nr 1413 chk_rst_nr $rst_nr $rst_nr 1414 chk_infi_nr $infi_nr $infi_nr 1415 fi 1416} 1417 1418# a negative value for 'stale_max' means no upper bound: 1419# for bidirectional transfer, if one peer sleep for a while 1420# - as these tests do - we can have a quite high number of 1421# stale/recover conversions, proportional to 1422# sleep duration/ MPTCP-level RTX interval. 1423chk_stale_nr() 1424{ 1425 local ns=$1 1426 local stale_min=$2 1427 local stale_max=$3 1428 local stale_delta=$4 1429 local dump_stats 1430 local stale_nr 1431 local recover_nr 1432 1433 printf "%-${nr_blank}s %-18s" " " "stale" 1434 stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}') 1435 [ -z "$stale_nr" ] && stale_nr=0 1436 recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}') 1437 [ -z "$recover_nr" ] && recover_nr=0 1438 1439 if [ $stale_nr -lt $stale_min ] || 1440 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } || 1441 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then 1442 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \ 1443 " expected stale in range [$stale_min..$stale_max]," \ 1444 " stale-recover delta $stale_delta " 1445 fail_test 1446 dump_stats=1 1447 else 1448 echo "[ ok ]" 1449 fi 1450 1451 if [ "${dump_stats}" = 1 ]; then 1452 echo $ns stats 1453 ip netns exec $ns ip -s link show 1454 ip netns exec $ns nstat -as | grep MPTcp 1455 fi 1456} 1457 1458chk_add_nr() 1459{ 1460 local add_nr=$1 1461 local echo_nr=$2 1462 local port_nr=${3:-0} 1463 local syn_nr=${4:-$port_nr} 1464 local syn_ack_nr=${5:-$port_nr} 1465 local ack_nr=${6:-$port_nr} 1466 local mis_syn_nr=${7:-0} 1467 local mis_ack_nr=${8:-0} 1468 local count 1469 local dump_stats 1470 local timeout 1471 1472 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout) 1473 1474 printf "%-${nr_blank}s %s" " " "add" 1475 count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}') 1476 [ -z "$count" ] && count=0 1477 1478 # if the test configured a short timeout tolerate greater then expected 1479 # add addrs options, due to retransmissions 1480 if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then 1481 echo "[fail] got $count ADD_ADDR[s] expected $add_nr" 1482 fail_test 1483 dump_stats=1 1484 else 1485 echo -n "[ ok ]" 1486 fi 1487 1488 echo -n " - echo " 1489 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}') 1490 [ -z "$count" ] && count=0 1491 if [ "$count" != "$echo_nr" ]; then 1492 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr" 1493 fail_test 1494 dump_stats=1 1495 else 1496 echo -n "[ ok ]" 1497 fi 1498 1499 if [ $port_nr -gt 0 ]; then 1500 echo -n " - pt " 1501 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}') 1502 [ -z "$count" ] && count=0 1503 if [ "$count" != "$port_nr" ]; then 1504 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr" 1505 fail_test 1506 dump_stats=1 1507 else 1508 echo "[ ok ]" 1509 fi 1510 1511 printf "%-${nr_blank}s %s" " " "syn" 1512 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx | 1513 awk '{print $2}') 1514 [ -z "$count" ] && count=0 1515 if [ "$count" != "$syn_nr" ]; then 1516 echo "[fail] got $count JOIN[s] syn with a different \ 1517 port-number expected $syn_nr" 1518 fail_test 1519 dump_stats=1 1520 else 1521 echo -n "[ ok ]" 1522 fi 1523 1524 echo -n " - synack" 1525 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx | 1526 awk '{print $2}') 1527 [ -z "$count" ] && count=0 1528 if [ "$count" != "$syn_ack_nr" ]; then 1529 echo "[fail] got $count JOIN[s] synack with a different \ 1530 port-number expected $syn_ack_nr" 1531 fail_test 1532 dump_stats=1 1533 else 1534 echo -n "[ ok ]" 1535 fi 1536 1537 echo -n " - ack" 1538 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx | 1539 awk '{print $2}') 1540 [ -z "$count" ] && count=0 1541 if [ "$count" != "$ack_nr" ]; then 1542 echo "[fail] got $count JOIN[s] ack with a different \ 1543 port-number expected $ack_nr" 1544 fail_test 1545 dump_stats=1 1546 else 1547 echo "[ ok ]" 1548 fi 1549 1550 printf "%-${nr_blank}s %s" " " "syn" 1551 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx | 1552 awk '{print $2}') 1553 [ -z "$count" ] && count=0 1554 if [ "$count" != "$mis_syn_nr" ]; then 1555 echo "[fail] got $count JOIN[s] syn with a mismatched \ 1556 port-number expected $mis_syn_nr" 1557 fail_test 1558 dump_stats=1 1559 else 1560 echo -n "[ ok ]" 1561 fi 1562 1563 echo -n " - ack " 1564 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx | 1565 awk '{print $2}') 1566 [ -z "$count" ] && count=0 1567 if [ "$count" != "$mis_ack_nr" ]; then 1568 echo "[fail] got $count JOIN[s] ack with a mismatched \ 1569 port-number expected $mis_ack_nr" 1570 fail_test 1571 dump_stats=1 1572 else 1573 echo "[ ok ]" 1574 fi 1575 else 1576 echo "" 1577 fi 1578 1579 [ "${dump_stats}" = 1 ] && dump_stats 1580} 1581 1582chk_rm_nr() 1583{ 1584 local rm_addr_nr=$1 1585 local rm_subflow_nr=$2 1586 local invert 1587 local simult 1588 local count 1589 local dump_stats 1590 local addr_ns=$ns1 1591 local subflow_ns=$ns2 1592 local extra_msg="" 1593 1594 shift 2 1595 while [ -n "$1" ]; do 1596 [ "$1" = "invert" ] && invert=true 1597 [ "$1" = "simult" ] && simult=true 1598 shift 1599 done 1600 1601 if [ -z $invert ]; then 1602 addr_ns=$ns1 1603 subflow_ns=$ns2 1604 elif [ $invert = "true" ]; then 1605 addr_ns=$ns2 1606 subflow_ns=$ns1 1607 extra_msg=" invert" 1608 fi 1609 1610 printf "%-${nr_blank}s %s" " " "rm " 1611 count=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}') 1612 [ -z "$count" ] && count=0 1613 if [ "$count" != "$rm_addr_nr" ]; then 1614 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr" 1615 fail_test 1616 dump_stats=1 1617 else 1618 echo -n "[ ok ]" 1619 fi 1620 1621 echo -n " - rmsf " 1622 count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}') 1623 [ -z "$count" ] && count=0 1624 if [ -n "$simult" ]; then 1625 local cnt suffix 1626 1627 cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}') 1628 1629 # in case of simult flush, the subflow removal count on each side is 1630 # unreliable 1631 [ -z "$cnt" ] && cnt=0 1632 count=$((count + cnt)) 1633 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]" 1634 if [ $count -ge "$rm_subflow_nr" ] && \ 1635 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then 1636 echo "[ ok ] $suffix" 1637 else 1638 echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]" 1639 fail_test 1640 dump_stats=1 1641 fi 1642 return 1643 fi 1644 if [ "$count" != "$rm_subflow_nr" ]; then 1645 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr" 1646 fail_test 1647 dump_stats=1 1648 else 1649 echo -n "[ ok ]" 1650 fi 1651 1652 [ "${dump_stats}" = 1 ] && dump_stats 1653 1654 echo "$extra_msg" 1655} 1656 1657chk_prio_nr() 1658{ 1659 local mp_prio_nr_tx=$1 1660 local mp_prio_nr_rx=$2 1661 local count 1662 local dump_stats 1663 1664 printf "%-${nr_blank}s %s" " " "ptx" 1665 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}') 1666 [ -z "$count" ] && count=0 1667 if [ "$count" != "$mp_prio_nr_tx" ]; then 1668 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx" 1669 fail_test 1670 dump_stats=1 1671 else 1672 echo -n "[ ok ]" 1673 fi 1674 1675 echo -n " - prx " 1676 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}') 1677 [ -z "$count" ] && count=0 1678 if [ "$count" != "$mp_prio_nr_rx" ]; then 1679 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx" 1680 fail_test 1681 dump_stats=1 1682 else 1683 echo "[ ok ]" 1684 fi 1685 1686 [ "${dump_stats}" = 1 ] && dump_stats 1687} 1688 1689chk_subflow_nr() 1690{ 1691 local need_title="$1" 1692 local msg="$2" 1693 local subflow_nr=$3 1694 local cnt1 1695 local cnt2 1696 local dump_stats 1697 1698 if [ -n "${need_title}" ]; then 1699 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}" 1700 else 1701 printf "%-${nr_blank}s %s" " " "${msg}" 1702 fi 1703 1704 cnt1=$(ss -N $ns1 -tOni | grep -c token) 1705 cnt2=$(ss -N $ns2 -tOni | grep -c token) 1706 if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then 1707 echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr" 1708 fail_test 1709 dump_stats=1 1710 else 1711 echo "[ ok ]" 1712 fi 1713 1714 if [ "${dump_stats}" = 1 ]; then 1715 ss -N $ns1 -tOni 1716 ss -N $ns1 -tOni | grep token 1717 ip -n $ns1 mptcp endpoint 1718 dump_stats 1719 fi 1720} 1721 1722chk_link_usage() 1723{ 1724 local ns=$1 1725 local link=$2 1726 local out=$3 1727 local expected_rate=$4 1728 1729 local tx_link tx_total 1730 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes) 1731 tx_total=$(stat --format=%s $out) 1732 local tx_rate=$((tx_link * 100 / tx_total)) 1733 local tolerance=5 1734 1735 printf "%-${nr_blank}s %-18s" " " "link usage" 1736 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \ 1737 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then 1738 echo "[fail] got $tx_rate% usage, expected $expected_rate%" 1739 fail_test 1740 else 1741 echo "[ ok ]" 1742 fi 1743} 1744 1745wait_attempt_fail() 1746{ 1747 local timeout_ms=$((timeout_poll * 1000)) 1748 local time=0 1749 local ns=$1 1750 1751 while [ $time -lt $timeout_ms ]; do 1752 local cnt 1753 1754 cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}') 1755 1756 [ "$cnt" = 1 ] && return 1 1757 time=$((time + 100)) 1758 sleep 0.1 1759 done 1760 return 1 1761} 1762 1763set_userspace_pm() 1764{ 1765 local ns=$1 1766 1767 ip netns exec $ns sysctl -q net.mptcp.pm_type=1 1768} 1769 1770subflows_tests() 1771{ 1772 if reset "no JOIN"; then 1773 run_tests $ns1 $ns2 10.0.1.1 1774 chk_join_nr 0 0 0 1775 fi 1776 1777 # subflow limited by client 1778 if reset "single subflow, limited by client"; then 1779 pm_nl_set_limits $ns1 0 0 1780 pm_nl_set_limits $ns2 0 0 1781 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1782 run_tests $ns1 $ns2 10.0.1.1 1783 chk_join_nr 0 0 0 1784 fi 1785 1786 # subflow limited by server 1787 if reset "single subflow, limited by server"; then 1788 pm_nl_set_limits $ns1 0 0 1789 pm_nl_set_limits $ns2 0 1 1790 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1791 run_tests $ns1 $ns2 10.0.1.1 1792 chk_join_nr 1 1 0 1793 fi 1794 1795 # subflow 1796 if reset "single subflow"; then 1797 pm_nl_set_limits $ns1 0 1 1798 pm_nl_set_limits $ns2 0 1 1799 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1800 run_tests $ns1 $ns2 10.0.1.1 1801 chk_join_nr 1 1 1 1802 fi 1803 1804 # multiple subflows 1805 if reset "multiple subflows"; then 1806 pm_nl_set_limits $ns1 0 2 1807 pm_nl_set_limits $ns2 0 2 1808 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1809 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1810 run_tests $ns1 $ns2 10.0.1.1 1811 chk_join_nr 2 2 2 1812 fi 1813 1814 # multiple subflows limited by server 1815 if reset "multiple subflows, limited by server"; then 1816 pm_nl_set_limits $ns1 0 1 1817 pm_nl_set_limits $ns2 0 2 1818 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1819 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1820 run_tests $ns1 $ns2 10.0.1.1 1821 chk_join_nr 2 2 1 1822 fi 1823 1824 # single subflow, dev 1825 if reset "single subflow, dev"; then 1826 pm_nl_set_limits $ns1 0 1 1827 pm_nl_set_limits $ns2 0 1 1828 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3 1829 run_tests $ns1 $ns2 10.0.1.1 1830 chk_join_nr 1 1 1 1831 fi 1832} 1833 1834subflows_error_tests() 1835{ 1836 # If a single subflow is configured, and matches the MPC src 1837 # address, no additional subflow should be created 1838 if reset "no MPC reuse with single endpoint"; then 1839 pm_nl_set_limits $ns1 0 1 1840 pm_nl_set_limits $ns2 0 1 1841 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow 1842 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1843 chk_join_nr 0 0 0 1844 fi 1845 1846 # multiple subflows, with subflow creation error 1847 if reset "multi subflows, with failing subflow"; then 1848 pm_nl_set_limits $ns1 0 2 1849 pm_nl_set_limits $ns2 0 2 1850 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1851 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1852 filter_tcp_from $ns1 10.0.3.2 REJECT 1853 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1854 chk_join_nr 1 1 1 1855 fi 1856 1857 # multiple subflows, with subflow timeout on MPJ 1858 if reset "multi subflows, with subflow timeout"; then 1859 pm_nl_set_limits $ns1 0 2 1860 pm_nl_set_limits $ns2 0 2 1861 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1862 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1863 filter_tcp_from $ns1 10.0.3.2 DROP 1864 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1865 chk_join_nr 1 1 1 1866 fi 1867 1868 # multiple subflows, check that the endpoint corresponding to 1869 # closed subflow (due to reset) is not reused if additional 1870 # subflows are added later 1871 if reset "multi subflows, fair usage on close"; then 1872 pm_nl_set_limits $ns1 0 1 1873 pm_nl_set_limits $ns2 0 1 1874 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1875 filter_tcp_from $ns1 10.0.3.2 REJECT 1876 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow & 1877 1878 # mpj subflow will be in TW after the reset 1879 wait_attempt_fail $ns2 1880 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1881 wait 1882 1883 # additional subflow could be created only if the PM select 1884 # the later endpoint, skipping the already used one 1885 chk_join_nr 1 1 1 1886 fi 1887} 1888 1889signal_address_tests() 1890{ 1891 # add_address, unused 1892 if reset "unused signal address"; then 1893 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1894 run_tests $ns1 $ns2 10.0.1.1 1895 chk_join_nr 0 0 0 1896 chk_add_nr 1 1 1897 fi 1898 1899 # accept and use add_addr 1900 if reset "signal address"; then 1901 pm_nl_set_limits $ns1 0 1 1902 pm_nl_set_limits $ns2 1 1 1903 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1904 run_tests $ns1 $ns2 10.0.1.1 1905 chk_join_nr 1 1 1 1906 chk_add_nr 1 1 1907 fi 1908 1909 # accept and use add_addr with an additional subflow 1910 # note: signal address in server ns and local addresses in client ns must 1911 # belong to different subnets or one of the listed local address could be 1912 # used for 'add_addr' subflow 1913 if reset "subflow and signal"; then 1914 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1915 pm_nl_set_limits $ns1 0 2 1916 pm_nl_set_limits $ns2 1 2 1917 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1918 run_tests $ns1 $ns2 10.0.1.1 1919 chk_join_nr 2 2 2 1920 chk_add_nr 1 1 1921 fi 1922 1923 # accept and use add_addr with additional subflows 1924 if reset "multiple subflows and signal"; then 1925 pm_nl_set_limits $ns1 0 3 1926 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1927 pm_nl_set_limits $ns2 1 3 1928 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1929 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1930 run_tests $ns1 $ns2 10.0.1.1 1931 chk_join_nr 3 3 3 1932 chk_add_nr 1 1 1933 fi 1934 1935 # signal addresses 1936 if reset "signal addresses"; then 1937 pm_nl_set_limits $ns1 3 3 1938 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1939 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1940 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1941 pm_nl_set_limits $ns2 3 3 1942 run_tests $ns1 $ns2 10.0.1.1 1943 chk_join_nr 3 3 3 1944 chk_add_nr 3 3 1945 fi 1946 1947 # signal invalid addresses 1948 if reset "signal invalid addresses"; then 1949 pm_nl_set_limits $ns1 3 3 1950 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 1951 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1952 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 1953 pm_nl_set_limits $ns2 3 3 1954 run_tests $ns1 $ns2 10.0.1.1 1955 chk_join_nr 1 1 1 1956 chk_add_nr 3 3 1957 fi 1958 1959 # signal addresses race test 1960 if reset "signal addresses race test"; then 1961 pm_nl_set_limits $ns1 4 4 1962 pm_nl_set_limits $ns2 4 4 1963 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal 1964 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1965 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1966 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1967 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal 1968 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal 1969 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal 1970 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal 1971 1972 # the peer could possibly miss some addr notification, allow retransmission 1973 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 1974 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1975 chk_join_nr 3 3 3 1976 1977 # the server will not signal the address terminating 1978 # the MPC subflow 1979 chk_add_nr 3 3 1980 fi 1981} 1982 1983link_failure_tests() 1984{ 1985 # accept and use add_addr with additional subflows and link loss 1986 if reset "multiple flows, signal, link failure"; then 1987 # without any b/w limit each veth could spool the packets and get 1988 # them acked at xmit time, so that the corresponding subflow will 1989 # have almost always no outstanding pkts, the scheduler will pick 1990 # always the first subflow and we will have hard time testing 1991 # active backup and link switch-over. 1992 # Let's set some arbitrary (low) virtual link limits. 1993 init_shapers 1994 pm_nl_set_limits $ns1 0 3 1995 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1996 pm_nl_set_limits $ns2 1 3 1997 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow 1998 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow 1999 run_tests $ns1 $ns2 10.0.1.1 1 2000 chk_join_nr 3 3 3 2001 chk_add_nr 1 1 2002 chk_stale_nr $ns2 1 5 1 2003 fi 2004 2005 # accept and use add_addr with additional subflows and link loss 2006 # for bidirectional transfer 2007 if reset "multi flows, signal, bidi, link fail"; then 2008 init_shapers 2009 pm_nl_set_limits $ns1 0 3 2010 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 2011 pm_nl_set_limits $ns2 1 3 2012 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow 2013 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow 2014 run_tests $ns1 $ns2 10.0.1.1 2 2015 chk_join_nr 3 3 3 2016 chk_add_nr 1 1 2017 chk_stale_nr $ns2 1 -1 1 2018 fi 2019 2020 # 2 subflows plus 1 backup subflow with a lossy link, backup 2021 # will never be used 2022 if reset "backup subflow unused, link failure"; then 2023 init_shapers 2024 pm_nl_set_limits $ns1 0 2 2025 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 2026 pm_nl_set_limits $ns2 1 2 2027 FAILING_LINKS="1" 2028 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 2029 run_tests $ns1 $ns2 10.0.1.1 1 2030 chk_join_nr 2 2 2 2031 chk_add_nr 1 1 2032 chk_link_usage $ns2 ns2eth3 $cinsent 0 2033 fi 2034 2035 # 2 lossy links after half transfer, backup will get half of 2036 # the traffic 2037 if reset "backup flow used, multi links fail"; then 2038 init_shapers 2039 pm_nl_set_limits $ns1 0 2 2040 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 2041 pm_nl_set_limits $ns2 1 2 2042 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 2043 FAILING_LINKS="1 2" 2044 run_tests $ns1 $ns2 10.0.1.1 1 2045 chk_join_nr 2 2 2 2046 chk_add_nr 1 1 2047 chk_stale_nr $ns2 2 4 2 2048 chk_link_usage $ns2 ns2eth3 $cinsent 50 2049 fi 2050 2051 # use a backup subflow with the first subflow on a lossy link 2052 # for bidirectional transfer 2053 if reset "backup flow used, bidi, link failure"; then 2054 init_shapers 2055 pm_nl_set_limits $ns1 0 2 2056 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 2057 pm_nl_set_limits $ns2 1 3 2058 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 2059 FAILING_LINKS="1 2" 2060 run_tests $ns1 $ns2 10.0.1.1 2 2061 chk_join_nr 2 2 2 2062 chk_add_nr 1 1 2063 chk_stale_nr $ns2 1 -1 2 2064 chk_link_usage $ns2 ns2eth3 $cinsent 50 2065 fi 2066} 2067 2068add_addr_timeout_tests() 2069{ 2070 # add_addr timeout 2071 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then 2072 pm_nl_set_limits $ns1 0 1 2073 pm_nl_set_limits $ns2 1 1 2074 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2075 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2076 chk_join_nr 1 1 1 2077 chk_add_nr 4 0 2078 fi 2079 2080 # add_addr timeout IPv6 2081 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then 2082 pm_nl_set_limits $ns1 0 1 2083 pm_nl_set_limits $ns2 1 1 2084 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2085 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 2086 chk_join_nr 1 1 1 2087 chk_add_nr 4 0 2088 fi 2089 2090 # signal addresses timeout 2091 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then 2092 pm_nl_set_limits $ns1 2 2 2093 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2094 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2095 pm_nl_set_limits $ns2 2 2 2096 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10 2097 chk_join_nr 2 2 2 2098 chk_add_nr 8 0 2099 fi 2100 2101 # signal invalid addresses timeout 2102 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then 2103 pm_nl_set_limits $ns1 2 2 2104 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 2105 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2106 pm_nl_set_limits $ns2 2 2 2107 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10 2108 chk_join_nr 1 1 1 2109 chk_add_nr 8 0 2110 fi 2111} 2112 2113remove_tests() 2114{ 2115 # single subflow, remove 2116 if reset "remove single subflow"; then 2117 pm_nl_set_limits $ns1 0 1 2118 pm_nl_set_limits $ns2 0 1 2119 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2120 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow 2121 chk_join_nr 1 1 1 2122 chk_rm_nr 1 1 2123 fi 2124 2125 # multiple subflows, remove 2126 if reset "remove multiple subflows"; then 2127 pm_nl_set_limits $ns1 0 2 2128 pm_nl_set_limits $ns2 0 2 2129 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 2130 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2131 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow 2132 chk_join_nr 2 2 2 2133 chk_rm_nr 2 2 2134 fi 2135 2136 # single address, remove 2137 if reset "remove single address"; then 2138 pm_nl_set_limits $ns1 0 1 2139 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2140 pm_nl_set_limits $ns2 1 1 2141 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow 2142 chk_join_nr 1 1 1 2143 chk_add_nr 1 1 2144 chk_rm_nr 1 1 invert 2145 fi 2146 2147 # subflow and signal, remove 2148 if reset "remove subflow and signal"; then 2149 pm_nl_set_limits $ns1 0 2 2150 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2151 pm_nl_set_limits $ns2 1 2 2152 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2153 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow 2154 chk_join_nr 2 2 2 2155 chk_add_nr 1 1 2156 chk_rm_nr 1 1 2157 fi 2158 2159 # subflows and signal, remove 2160 if reset "remove subflows and signal"; then 2161 pm_nl_set_limits $ns1 0 3 2162 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2163 pm_nl_set_limits $ns2 1 3 2164 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2165 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 2166 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 speed_10 2167 chk_join_nr 3 3 3 2168 chk_add_nr 1 1 2169 chk_rm_nr 2 2 2170 fi 2171 2172 # addresses remove 2173 if reset "remove addresses"; then 2174 pm_nl_set_limits $ns1 3 3 2175 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250 2176 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2177 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 2178 pm_nl_set_limits $ns2 3 3 2179 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10 2180 chk_join_nr 3 3 3 2181 chk_add_nr 3 3 2182 chk_rm_nr 3 3 invert 2183 fi 2184 2185 # invalid addresses remove 2186 if reset "remove invalid addresses"; then 2187 pm_nl_set_limits $ns1 3 3 2188 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 2189 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2190 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 2191 pm_nl_set_limits $ns2 3 3 2192 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10 2193 chk_join_nr 1 1 1 2194 chk_add_nr 3 3 2195 chk_rm_nr 3 1 invert 2196 fi 2197 2198 # subflows and signal, flush 2199 if reset "flush subflows and signal"; then 2200 pm_nl_set_limits $ns1 0 3 2201 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2202 pm_nl_set_limits $ns2 1 3 2203 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2204 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 2205 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 2206 chk_join_nr 3 3 3 2207 chk_add_nr 1 1 2208 chk_rm_nr 1 3 invert simult 2209 fi 2210 2211 # subflows flush 2212 if reset "flush subflows"; then 2213 pm_nl_set_limits $ns1 3 3 2214 pm_nl_set_limits $ns2 3 3 2215 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150 2216 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2217 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 2218 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 2219 chk_join_nr 3 3 3 2220 chk_rm_nr 0 3 simult 2221 fi 2222 2223 # addresses flush 2224 if reset "flush addresses"; then 2225 pm_nl_set_limits $ns1 3 3 2226 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250 2227 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2228 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 2229 pm_nl_set_limits $ns2 3 3 2230 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 2231 chk_join_nr 3 3 3 2232 chk_add_nr 3 3 2233 chk_rm_nr 3 3 invert simult 2234 fi 2235 2236 # invalid addresses flush 2237 if reset "flush invalid addresses"; then 2238 pm_nl_set_limits $ns1 3 3 2239 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 2240 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 2241 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 2242 pm_nl_set_limits $ns2 3 3 2243 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow 2244 chk_join_nr 1 1 1 2245 chk_add_nr 3 3 2246 chk_rm_nr 3 1 invert 2247 fi 2248 2249 # remove id 0 subflow 2250 if reset "remove id 0 subflow"; then 2251 pm_nl_set_limits $ns1 0 1 2252 pm_nl_set_limits $ns2 0 1 2253 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2254 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow 2255 chk_join_nr 1 1 1 2256 chk_rm_nr 1 1 2257 fi 2258 2259 # remove id 0 address 2260 if reset "remove id 0 address"; then 2261 pm_nl_set_limits $ns1 0 1 2262 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2263 pm_nl_set_limits $ns2 1 1 2264 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow 2265 chk_join_nr 1 1 1 2266 chk_add_nr 1 1 2267 chk_rm_nr 1 1 invert 2268 fi 2269} 2270 2271add_tests() 2272{ 2273 # add single subflow 2274 if reset "add single subflow"; then 2275 pm_nl_set_limits $ns1 0 1 2276 pm_nl_set_limits $ns2 0 1 2277 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow 2278 chk_join_nr 1 1 1 2279 fi 2280 2281 # add signal address 2282 if reset "add signal address"; then 2283 pm_nl_set_limits $ns1 0 1 2284 pm_nl_set_limits $ns2 1 1 2285 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow 2286 chk_join_nr 1 1 1 2287 chk_add_nr 1 1 2288 fi 2289 2290 # add multiple subflows 2291 if reset "add multiple subflows"; then 2292 pm_nl_set_limits $ns1 0 2 2293 pm_nl_set_limits $ns2 0 2 2294 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow 2295 chk_join_nr 2 2 2 2296 fi 2297 2298 # add multiple subflows IPv6 2299 if reset "add multiple subflows IPv6"; then 2300 pm_nl_set_limits $ns1 0 2 2301 pm_nl_set_limits $ns2 0 2 2302 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow 2303 chk_join_nr 2 2 2 2304 fi 2305 2306 # add multiple addresses IPv6 2307 if reset "add multiple addresses IPv6"; then 2308 pm_nl_set_limits $ns1 0 2 2309 pm_nl_set_limits $ns2 2 2 2310 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow 2311 chk_join_nr 2 2 2 2312 chk_add_nr 2 2 2313 fi 2314} 2315 2316ipv6_tests() 2317{ 2318 # subflow IPv6 2319 if reset "single subflow IPv6"; then 2320 pm_nl_set_limits $ns1 0 1 2321 pm_nl_set_limits $ns2 0 1 2322 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow 2323 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 2324 chk_join_nr 1 1 1 2325 fi 2326 2327 # add_address, unused IPv6 2328 if reset "unused signal address IPv6"; then 2329 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2330 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 2331 chk_join_nr 0 0 0 2332 chk_add_nr 1 1 2333 fi 2334 2335 # signal address IPv6 2336 if reset "single address IPv6"; then 2337 pm_nl_set_limits $ns1 0 1 2338 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2339 pm_nl_set_limits $ns2 1 1 2340 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 2341 chk_join_nr 1 1 1 2342 chk_add_nr 1 1 2343 fi 2344 2345 # single address IPv6, remove 2346 if reset "remove single address IPv6"; then 2347 pm_nl_set_limits $ns1 0 1 2348 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2349 pm_nl_set_limits $ns2 1 1 2350 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow 2351 chk_join_nr 1 1 1 2352 chk_add_nr 1 1 2353 chk_rm_nr 1 1 invert 2354 fi 2355 2356 # subflow and signal IPv6, remove 2357 if reset "remove subflow and signal IPv6"; then 2358 pm_nl_set_limits $ns1 0 2 2359 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2360 pm_nl_set_limits $ns2 1 2 2361 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow 2362 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow 2363 chk_join_nr 2 2 2 2364 chk_add_nr 1 1 2365 chk_rm_nr 1 1 2366 fi 2367} 2368 2369v4mapped_tests() 2370{ 2371 # subflow IPv4-mapped to IPv4-mapped 2372 if reset "single subflow IPv4-mapped"; then 2373 pm_nl_set_limits $ns1 0 1 2374 pm_nl_set_limits $ns2 0 1 2375 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow 2376 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 2377 chk_join_nr 1 1 1 2378 fi 2379 2380 # signal address IPv4-mapped with IPv4-mapped sk 2381 if reset "signal address IPv4-mapped"; then 2382 pm_nl_set_limits $ns1 0 1 2383 pm_nl_set_limits $ns2 1 1 2384 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal 2385 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 2386 chk_join_nr 1 1 1 2387 chk_add_nr 1 1 2388 fi 2389 2390 # subflow v4-map-v6 2391 if reset "single subflow v4-map-v6"; then 2392 pm_nl_set_limits $ns1 0 1 2393 pm_nl_set_limits $ns2 0 1 2394 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2395 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 2396 chk_join_nr 1 1 1 2397 fi 2398 2399 # signal address v4-map-v6 2400 if reset "signal address v4-map-v6"; then 2401 pm_nl_set_limits $ns1 0 1 2402 pm_nl_set_limits $ns2 1 1 2403 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2404 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 2405 chk_join_nr 1 1 1 2406 chk_add_nr 1 1 2407 fi 2408 2409 # subflow v6-map-v4 2410 if reset "single subflow v6-map-v4"; then 2411 pm_nl_set_limits $ns1 0 1 2412 pm_nl_set_limits $ns2 0 1 2413 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow 2414 run_tests $ns1 $ns2 10.0.1.1 2415 chk_join_nr 1 1 1 2416 fi 2417 2418 # signal address v6-map-v4 2419 if reset "signal address v6-map-v4"; then 2420 pm_nl_set_limits $ns1 0 1 2421 pm_nl_set_limits $ns2 1 1 2422 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal 2423 run_tests $ns1 $ns2 10.0.1.1 2424 chk_join_nr 1 1 1 2425 chk_add_nr 1 1 2426 fi 2427 2428 # no subflow IPv6 to v4 address 2429 if reset "no JOIN with diff families v4-v6"; then 2430 pm_nl_set_limits $ns1 0 1 2431 pm_nl_set_limits $ns2 0 1 2432 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow 2433 run_tests $ns1 $ns2 10.0.1.1 2434 chk_join_nr 0 0 0 2435 fi 2436 2437 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end 2438 if reset "no JOIN with diff families v4-v6-2"; then 2439 pm_nl_set_limits $ns1 0 1 2440 pm_nl_set_limits $ns2 0 1 2441 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow 2442 run_tests $ns1 $ns2 10.0.1.1 2443 chk_join_nr 0 0 0 2444 fi 2445 2446 # no subflow IPv4 to v6 address, no need to slow down too then 2447 if reset "no JOIN with diff families v6-v4"; then 2448 pm_nl_set_limits $ns1 0 1 2449 pm_nl_set_limits $ns2 0 1 2450 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2451 run_tests $ns1 $ns2 dead:beef:1::1 2452 chk_join_nr 0 0 0 2453 fi 2454} 2455 2456mixed_tests() 2457{ 2458 if reset "IPv4 sockets do not use IPv6 addresses"; then 2459 pm_nl_set_limits $ns1 0 1 2460 pm_nl_set_limits $ns2 1 1 2461 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2462 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2463 chk_join_nr 0 0 0 2464 fi 2465 2466 # Need an IPv6 mptcp socket to allow subflows of both families 2467 if reset "simult IPv4 and IPv6 subflows"; then 2468 pm_nl_set_limits $ns1 0 1 2469 pm_nl_set_limits $ns2 1 1 2470 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal 2471 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow 2472 chk_join_nr 1 1 1 2473 fi 2474 2475 # cross families subflows will not be created even in fullmesh mode 2476 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1"; then 2477 pm_nl_set_limits $ns1 0 4 2478 pm_nl_set_limits $ns2 1 4 2479 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh 2480 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal 2481 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow 2482 chk_join_nr 1 1 1 2483 fi 2484 2485 # fullmesh still tries to create all the possibly subflows with 2486 # matching family 2487 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2"; then 2488 pm_nl_set_limits $ns1 0 4 2489 pm_nl_set_limits $ns2 2 4 2490 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2491 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 2492 run_tests $ns1 $ns2 dead:beef:1::1 0 0 fullmesh_1 slow 2493 chk_join_nr 4 4 4 2494 fi 2495} 2496 2497backup_tests() 2498{ 2499 # single subflow, backup 2500 if reset "single subflow, backup"; then 2501 pm_nl_set_limits $ns1 0 1 2502 pm_nl_set_limits $ns2 0 1 2503 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup 2504 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup 2505 chk_join_nr 1 1 1 2506 chk_prio_nr 0 1 2507 fi 2508 2509 # single address, backup 2510 if reset "single address, backup"; then 2511 pm_nl_set_limits $ns1 0 1 2512 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2513 pm_nl_set_limits $ns2 1 1 2514 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 2515 chk_join_nr 1 1 1 2516 chk_add_nr 1 1 2517 chk_prio_nr 1 1 2518 fi 2519 2520 # single address with port, backup 2521 if reset "single address with port, backup"; then 2522 pm_nl_set_limits $ns1 0 1 2523 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2524 pm_nl_set_limits $ns2 1 1 2525 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 2526 chk_join_nr 1 1 1 2527 chk_add_nr 1 1 2528 chk_prio_nr 1 1 2529 fi 2530 2531 if reset "mpc backup"; then 2532 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup 2533 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2534 chk_join_nr 0 0 0 2535 chk_prio_nr 0 1 2536 fi 2537 2538 if reset "mpc backup both sides"; then 2539 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup 2540 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup 2541 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2542 chk_join_nr 0 0 0 2543 chk_prio_nr 1 1 2544 fi 2545 2546 if reset "mpc switch to backup"; then 2547 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow 2548 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 2549 chk_join_nr 0 0 0 2550 chk_prio_nr 0 1 2551 fi 2552 2553 if reset "mpc switch to backup both sides"; then 2554 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow 2555 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow 2556 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 2557 chk_join_nr 0 0 0 2558 chk_prio_nr 1 1 2559 fi 2560} 2561 2562LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED 2563LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED 2564 2565AF_INET=2 2566AF_INET6=10 2567 2568verify_listener_events() 2569{ 2570 local evt=$1 2571 local e_type=$2 2572 local e_family=$3 2573 local e_saddr=$4 2574 local e_sport=$5 2575 local type 2576 local family 2577 local saddr 2578 local sport 2579 2580 if [ $e_type = $LISTENER_CREATED ]; then 2581 stdbuf -o0 -e0 printf "\t\t\t\t\t CREATE_LISTENER %s:%s"\ 2582 $e_saddr $e_sport 2583 elif [ $e_type = $LISTENER_CLOSED ]; then 2584 stdbuf -o0 -e0 printf "\t\t\t\t\t CLOSE_LISTENER %s:%s "\ 2585 $e_saddr $e_sport 2586 fi 2587 2588 type=$(grep "type:$e_type," $evt | 2589 sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q') 2590 family=$(grep "type:$e_type," $evt | 2591 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q') 2592 sport=$(grep "type:$e_type," $evt | 2593 sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q') 2594 if [ $family ] && [ $family = $AF_INET6 ]; then 2595 saddr=$(grep "type:$e_type," $evt | 2596 sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q') 2597 else 2598 saddr=$(grep "type:$e_type," $evt | 2599 sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q') 2600 fi 2601 2602 if [ $type ] && [ $type = $e_type ] && 2603 [ $family ] && [ $family = $e_family ] && 2604 [ $saddr ] && [ $saddr = $e_saddr ] && 2605 [ $sport ] && [ $sport = $e_sport ]; then 2606 stdbuf -o0 -e0 printf "[ ok ]\n" 2607 return 0 2608 fi 2609 fail_test 2610 stdbuf -o0 -e0 printf "[fail]\n" 2611} 2612 2613add_addr_ports_tests() 2614{ 2615 # signal address with port 2616 if reset "signal address with port"; then 2617 pm_nl_set_limits $ns1 0 1 2618 pm_nl_set_limits $ns2 1 1 2619 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2620 run_tests $ns1 $ns2 10.0.1.1 2621 chk_join_nr 1 1 1 2622 chk_add_nr 1 1 1 2623 fi 2624 2625 # subflow and signal with port 2626 if reset "subflow and signal with port"; then 2627 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2628 pm_nl_set_limits $ns1 0 2 2629 pm_nl_set_limits $ns2 1 2 2630 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2631 run_tests $ns1 $ns2 10.0.1.1 2632 chk_join_nr 2 2 2 2633 chk_add_nr 1 1 1 2634 fi 2635 2636 # single address with port, remove 2637 # pm listener events 2638 if reset_with_events "remove single address with port"; then 2639 pm_nl_set_limits $ns1 0 1 2640 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2641 pm_nl_set_limits $ns2 1 1 2642 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow 2643 chk_join_nr 1 1 1 2644 chk_add_nr 1 1 1 2645 chk_rm_nr 1 1 invert 2646 2647 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100 2648 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100 2649 kill_events_pids 2650 fi 2651 2652 # subflow and signal with port, remove 2653 if reset "remove subflow and signal with port"; then 2654 pm_nl_set_limits $ns1 0 2 2655 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2656 pm_nl_set_limits $ns2 1 2 2657 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2658 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow 2659 chk_join_nr 2 2 2 2660 chk_add_nr 1 1 1 2661 chk_rm_nr 1 1 2662 fi 2663 2664 # subflows and signal with port, flush 2665 if reset "flush subflows and signal with port"; then 2666 pm_nl_set_limits $ns1 0 3 2667 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2668 pm_nl_set_limits $ns2 1 3 2669 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2670 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 2671 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow 2672 chk_join_nr 3 3 3 2673 chk_add_nr 1 1 2674 chk_rm_nr 1 3 invert simult 2675 fi 2676 2677 # multiple addresses with port 2678 if reset "multiple addresses with port"; then 2679 pm_nl_set_limits $ns1 2 2 2680 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2681 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100 2682 pm_nl_set_limits $ns2 2 2 2683 run_tests $ns1 $ns2 10.0.1.1 2684 chk_join_nr 2 2 2 2685 chk_add_nr 2 2 2 2686 fi 2687 2688 # multiple addresses with ports 2689 if reset "multiple addresses with ports"; then 2690 pm_nl_set_limits $ns1 2 2 2691 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 2692 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101 2693 pm_nl_set_limits $ns2 2 2 2694 run_tests $ns1 $ns2 10.0.1.1 2695 chk_join_nr 2 2 2 2696 chk_add_nr 2 2 2 2697 fi 2698} 2699 2700syncookies_tests() 2701{ 2702 # single subflow, syncookies 2703 if reset_with_cookies "single subflow with syn cookies"; then 2704 pm_nl_set_limits $ns1 0 1 2705 pm_nl_set_limits $ns2 0 1 2706 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2707 run_tests $ns1 $ns2 10.0.1.1 2708 chk_join_nr 1 1 1 2709 fi 2710 2711 # multiple subflows with syn cookies 2712 if reset_with_cookies "multiple subflows with syn cookies"; then 2713 pm_nl_set_limits $ns1 0 2 2714 pm_nl_set_limits $ns2 0 2 2715 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2716 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 2717 run_tests $ns1 $ns2 10.0.1.1 2718 chk_join_nr 2 2 2 2719 fi 2720 2721 # multiple subflows limited by server 2722 if reset_with_cookies "subflows limited by server w cookies"; then 2723 pm_nl_set_limits $ns1 0 1 2724 pm_nl_set_limits $ns2 0 2 2725 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2726 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 2727 run_tests $ns1 $ns2 10.0.1.1 2728 chk_join_nr 2 1 1 2729 fi 2730 2731 # test signal address with cookies 2732 if reset_with_cookies "signal address with syn cookies"; then 2733 pm_nl_set_limits $ns1 0 1 2734 pm_nl_set_limits $ns2 1 1 2735 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2736 run_tests $ns1 $ns2 10.0.1.1 2737 chk_join_nr 1 1 1 2738 chk_add_nr 1 1 2739 fi 2740 2741 # test cookie with subflow and signal 2742 if reset_with_cookies "subflow and signal w cookies"; then 2743 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2744 pm_nl_set_limits $ns1 0 2 2745 pm_nl_set_limits $ns2 1 2 2746 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2747 run_tests $ns1 $ns2 10.0.1.1 2748 chk_join_nr 2 2 2 2749 chk_add_nr 1 1 2750 fi 2751 2752 # accept and use add_addr with additional subflows 2753 if reset_with_cookies "subflows and signal w. cookies"; then 2754 pm_nl_set_limits $ns1 0 3 2755 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2756 pm_nl_set_limits $ns2 1 3 2757 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2758 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 2759 run_tests $ns1 $ns2 10.0.1.1 2760 chk_join_nr 3 3 3 2761 chk_add_nr 1 1 2762 fi 2763} 2764 2765checksum_tests() 2766{ 2767 # checksum test 0 0 2768 if reset_with_checksum 0 0; then 2769 pm_nl_set_limits $ns1 0 1 2770 pm_nl_set_limits $ns2 0 1 2771 run_tests $ns1 $ns2 10.0.1.1 2772 chk_join_nr 0 0 0 2773 fi 2774 2775 # checksum test 1 1 2776 if reset_with_checksum 1 1; then 2777 pm_nl_set_limits $ns1 0 1 2778 pm_nl_set_limits $ns2 0 1 2779 run_tests $ns1 $ns2 10.0.1.1 2780 chk_join_nr 0 0 0 2781 fi 2782 2783 # checksum test 0 1 2784 if reset_with_checksum 0 1; then 2785 pm_nl_set_limits $ns1 0 1 2786 pm_nl_set_limits $ns2 0 1 2787 run_tests $ns1 $ns2 10.0.1.1 2788 chk_join_nr 0 0 0 2789 fi 2790 2791 # checksum test 1 0 2792 if reset_with_checksum 1 0; then 2793 pm_nl_set_limits $ns1 0 1 2794 pm_nl_set_limits $ns2 0 1 2795 run_tests $ns1 $ns2 10.0.1.1 2796 chk_join_nr 0 0 0 2797 fi 2798} 2799 2800deny_join_id0_tests() 2801{ 2802 # subflow allow join id0 ns1 2803 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then 2804 pm_nl_set_limits $ns1 1 1 2805 pm_nl_set_limits $ns2 1 1 2806 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2807 run_tests $ns1 $ns2 10.0.1.1 2808 chk_join_nr 1 1 1 2809 fi 2810 2811 # subflow allow join id0 ns2 2812 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then 2813 pm_nl_set_limits $ns1 1 1 2814 pm_nl_set_limits $ns2 1 1 2815 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2816 run_tests $ns1 $ns2 10.0.1.1 2817 chk_join_nr 0 0 0 2818 fi 2819 2820 # signal address allow join id0 ns1 2821 # ADD_ADDRs are not affected by allow_join_id0 value. 2822 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then 2823 pm_nl_set_limits $ns1 1 1 2824 pm_nl_set_limits $ns2 1 1 2825 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2826 run_tests $ns1 $ns2 10.0.1.1 2827 chk_join_nr 1 1 1 2828 chk_add_nr 1 1 2829 fi 2830 2831 # signal address allow join id0 ns2 2832 # ADD_ADDRs are not affected by allow_join_id0 value. 2833 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then 2834 pm_nl_set_limits $ns1 1 1 2835 pm_nl_set_limits $ns2 1 1 2836 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2837 run_tests $ns1 $ns2 10.0.1.1 2838 chk_join_nr 1 1 1 2839 chk_add_nr 1 1 2840 fi 2841 2842 # subflow and address allow join id0 ns1 2843 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then 2844 pm_nl_set_limits $ns1 2 2 2845 pm_nl_set_limits $ns2 2 2 2846 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2847 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2848 run_tests $ns1 $ns2 10.0.1.1 2849 chk_join_nr 2 2 2 2850 fi 2851 2852 # subflow and address allow join id0 ns2 2853 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then 2854 pm_nl_set_limits $ns1 2 2 2855 pm_nl_set_limits $ns2 2 2 2856 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2857 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2858 run_tests $ns1 $ns2 10.0.1.1 2859 chk_join_nr 1 1 1 2860 fi 2861} 2862 2863fullmesh_tests() 2864{ 2865 # fullmesh 1 2866 # 2 fullmesh addrs in ns2, added before the connection, 2867 # 1 non-fullmesh addr in ns1, added during the connection. 2868 if reset "fullmesh test 2x1"; then 2869 pm_nl_set_limits $ns1 0 4 2870 pm_nl_set_limits $ns2 1 4 2871 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh 2872 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh 2873 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow 2874 chk_join_nr 4 4 4 2875 chk_add_nr 1 1 2876 fi 2877 2878 # fullmesh 2 2879 # 1 non-fullmesh addr in ns1, added before the connection, 2880 # 1 fullmesh addr in ns2, added during the connection. 2881 if reset "fullmesh test 1x1"; then 2882 pm_nl_set_limits $ns1 1 3 2883 pm_nl_set_limits $ns2 1 3 2884 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2885 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow 2886 chk_join_nr 3 3 3 2887 chk_add_nr 1 1 2888 fi 2889 2890 # fullmesh 3 2891 # 1 non-fullmesh addr in ns1, added before the connection, 2892 # 2 fullmesh addrs in ns2, added during the connection. 2893 if reset "fullmesh test 1x2"; then 2894 pm_nl_set_limits $ns1 2 5 2895 pm_nl_set_limits $ns2 1 5 2896 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2897 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow 2898 chk_join_nr 5 5 5 2899 chk_add_nr 1 1 2900 fi 2901 2902 # fullmesh 4 2903 # 1 non-fullmesh addr in ns1, added before the connection, 2904 # 2 fullmesh addrs in ns2, added during the connection, 2905 # limit max_subflows to 4. 2906 if reset "fullmesh test 1x2, limited"; then 2907 pm_nl_set_limits $ns1 2 4 2908 pm_nl_set_limits $ns2 1 4 2909 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2910 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow 2911 chk_join_nr 4 4 4 2912 chk_add_nr 1 1 2913 fi 2914 2915 # set fullmesh flag 2916 if reset "set fullmesh flag test"; then 2917 pm_nl_set_limits $ns1 4 4 2918 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow 2919 pm_nl_set_limits $ns2 4 4 2920 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh 2921 chk_join_nr 2 2 2 2922 chk_rm_nr 0 1 2923 fi 2924 2925 # set nofullmesh flag 2926 if reset "set nofullmesh flag test"; then 2927 pm_nl_set_limits $ns1 4 4 2928 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh 2929 pm_nl_set_limits $ns2 4 4 2930 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh 2931 chk_join_nr 2 2 2 2932 chk_rm_nr 0 1 2933 fi 2934 2935 # set backup,fullmesh flags 2936 if reset "set backup,fullmesh flags test"; then 2937 pm_nl_set_limits $ns1 4 4 2938 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow 2939 pm_nl_set_limits $ns2 4 4 2940 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh 2941 chk_join_nr 2 2 2 2942 chk_prio_nr 0 1 2943 chk_rm_nr 0 1 2944 fi 2945 2946 # set nobackup,nofullmesh flags 2947 if reset "set nobackup,nofullmesh flags test"; then 2948 pm_nl_set_limits $ns1 4 4 2949 pm_nl_set_limits $ns2 4 4 2950 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh 2951 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh 2952 chk_join_nr 2 2 2 2953 chk_prio_nr 0 1 2954 chk_rm_nr 0 1 2955 fi 2956} 2957 2958fastclose_tests() 2959{ 2960 if reset "fastclose test"; then 2961 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client 2962 chk_join_nr 0 0 0 2963 chk_fclose_nr 1 1 2964 chk_rst_nr 1 1 invert 2965 fi 2966 2967 if reset "fastclose server test"; then 2968 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server 2969 chk_join_nr 0 0 0 2970 chk_fclose_nr 1 1 invert 2971 chk_rst_nr 1 1 2972 fi 2973} 2974 2975pedit_action_pkts() 2976{ 2977 tc -n $ns2 -j -s action show action pedit index 100 | \ 2978 grep "packets" | \ 2979 sed 's/.*"packets":\([0-9]\+\),.*/\1/' 2980} 2981 2982fail_tests() 2983{ 2984 # single subflow 2985 if reset_with_fail "Infinite map" 1; then 2986 run_tests $ns1 $ns2 10.0.1.1 128 2987 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)" 2988 chk_fail_nr 1 -1 invert 2989 fi 2990 2991 # multiple subflows 2992 if reset_with_fail "MP_FAIL MP_RST" 2; then 2993 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5 2994 pm_nl_set_limits $ns1 0 1 2995 pm_nl_set_limits $ns2 0 1 2996 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow 2997 run_tests $ns1 $ns2 10.0.1.1 1024 2998 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)" 2999 fi 3000} 3001 3002userspace_tests() 3003{ 3004 # userspace pm type prevents add_addr 3005 if reset "userspace pm type prevents add_addr"; then 3006 set_userspace_pm $ns1 3007 pm_nl_set_limits $ns1 0 2 3008 pm_nl_set_limits $ns2 0 2 3009 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 3010 run_tests $ns1 $ns2 10.0.1.1 3011 chk_join_nr 0 0 0 3012 chk_add_nr 0 0 3013 fi 3014 3015 # userspace pm type does not echo add_addr without daemon 3016 if reset "userspace pm no echo w/o daemon"; then 3017 set_userspace_pm $ns2 3018 pm_nl_set_limits $ns1 0 2 3019 pm_nl_set_limits $ns2 0 2 3020 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 3021 run_tests $ns1 $ns2 10.0.1.1 3022 chk_join_nr 0 0 0 3023 chk_add_nr 1 0 3024 fi 3025 3026 # userspace pm type rejects join 3027 if reset "userspace pm type rejects join"; then 3028 set_userspace_pm $ns1 3029 pm_nl_set_limits $ns1 1 1 3030 pm_nl_set_limits $ns2 1 1 3031 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 3032 run_tests $ns1 $ns2 10.0.1.1 3033 chk_join_nr 1 1 0 3034 fi 3035 3036 # userspace pm type does not send join 3037 if reset "userspace pm type does not send join"; then 3038 set_userspace_pm $ns2 3039 pm_nl_set_limits $ns1 1 1 3040 pm_nl_set_limits $ns2 1 1 3041 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 3042 run_tests $ns1 $ns2 10.0.1.1 3043 chk_join_nr 0 0 0 3044 fi 3045 3046 # userspace pm type prevents mp_prio 3047 if reset "userspace pm type prevents mp_prio"; then 3048 set_userspace_pm $ns1 3049 pm_nl_set_limits $ns1 1 1 3050 pm_nl_set_limits $ns2 1 1 3051 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 3052 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 3053 chk_join_nr 1 1 0 3054 chk_prio_nr 0 0 3055 fi 3056 3057 # userspace pm type prevents rm_addr 3058 if reset "userspace pm type prevents rm_addr"; then 3059 set_userspace_pm $ns1 3060 set_userspace_pm $ns2 3061 pm_nl_set_limits $ns1 0 1 3062 pm_nl_set_limits $ns2 0 1 3063 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 3064 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow 3065 chk_join_nr 0 0 0 3066 chk_rm_nr 0 0 3067 fi 3068 3069 # userspace pm add & remove address 3070 if reset_with_events "userspace pm add & remove address"; then 3071 set_userspace_pm $ns1 3072 pm_nl_set_limits $ns2 1 1 3073 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow 3074 chk_join_nr 1 1 1 3075 chk_add_nr 1 1 3076 chk_rm_nr 1 1 invert 3077 kill_events_pids 3078 fi 3079 3080 # userspace pm create destroy subflow 3081 if reset_with_events "userspace pm create destroy subflow"; then 3082 set_userspace_pm $ns2 3083 pm_nl_set_limits $ns1 0 1 3084 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow 3085 chk_join_nr 1 1 1 3086 chk_rm_nr 0 1 3087 kill_events_pids 3088 fi 3089} 3090 3091endpoint_tests() 3092{ 3093 # userspace pm type prevents add_addr 3094 if reset "implicit EP"; then 3095 pm_nl_set_limits $ns1 2 2 3096 pm_nl_set_limits $ns2 2 2 3097 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 3098 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2>/dev/null & 3099 3100 wait_mpj $ns1 3101 pm_nl_check_endpoint 1 "creation" \ 3102 $ns2 10.0.2.2 id 1 flags implicit 3103 3104 pm_nl_add_endpoint $ns2 10.0.2.2 id 33 3105 pm_nl_check_endpoint 0 "ID change is prevented" \ 3106 $ns2 10.0.2.2 id 1 flags implicit 3107 3108 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal 3109 pm_nl_check_endpoint 0 "modif is allowed" \ 3110 $ns2 10.0.2.2 id 1 flags signal 3111 kill_tests_wait 3112 fi 3113 3114 if reset "delete and re-add"; then 3115 pm_nl_set_limits $ns1 1 1 3116 pm_nl_set_limits $ns2 1 1 3117 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow 3118 run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null & 3119 3120 wait_mpj $ns2 3121 pm_nl_del_endpoint $ns2 2 10.0.2.2 3122 sleep 0.5 3123 chk_subflow_nr needtitle "after delete" 1 3124 3125 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow 3126 wait_mpj $ns2 3127 chk_subflow_nr "" "after re-add" 2 3128 kill_tests_wait 3129 fi 3130} 3131 3132# [$1: error message] 3133usage() 3134{ 3135 if [ -n "${1}" ]; then 3136 echo "${1}" 3137 ret=1 3138 fi 3139 3140 echo "mptcp_join usage:" 3141 3142 local key 3143 for key in "${!all_tests[@]}"; do 3144 echo " -${key} ${all_tests[${key}]}" 3145 done 3146 3147 echo " -c capture pcap files" 3148 echo " -C enable data checksum" 3149 echo " -i use ip mptcp" 3150 echo " -h help" 3151 3152 echo "[test ids|names]" 3153 3154 exit ${ret} 3155} 3156 3157 3158# Use a "simple" array to force an specific order we cannot have with an associative one 3159all_tests_sorted=( 3160 f@subflows_tests 3161 e@subflows_error_tests 3162 s@signal_address_tests 3163 l@link_failure_tests 3164 t@add_addr_timeout_tests 3165 r@remove_tests 3166 a@add_tests 3167 6@ipv6_tests 3168 4@v4mapped_tests 3169 M@mixed_tests 3170 b@backup_tests 3171 p@add_addr_ports_tests 3172 k@syncookies_tests 3173 S@checksum_tests 3174 d@deny_join_id0_tests 3175 m@fullmesh_tests 3176 z@fastclose_tests 3177 F@fail_tests 3178 u@userspace_tests 3179 I@endpoint_tests 3180) 3181 3182all_tests_args="" 3183all_tests_names=() 3184for subtests in "${all_tests_sorted[@]}"; do 3185 key="${subtests%@*}" 3186 value="${subtests#*@}" 3187 3188 all_tests_args+="${key}" 3189 all_tests_names+=("${value}") 3190 all_tests[${key}]="${value}" 3191done 3192 3193tests=() 3194while getopts "${all_tests_args}cCih" opt; do 3195 case $opt in 3196 ["${all_tests_args}"]) 3197 tests+=("${all_tests[${opt}]}") 3198 ;; 3199 c) 3200 capture=1 3201 ;; 3202 C) 3203 checksum=1 3204 ;; 3205 i) 3206 ip_mptcp=1 3207 ;; 3208 h) 3209 usage 3210 ;; 3211 *) 3212 usage "Unknown option: -${opt}" 3213 ;; 3214 esac 3215done 3216 3217shift $((OPTIND - 1)) 3218 3219for arg in "${@}"; do 3220 if [[ "${arg}" =~ ^[0-9]+$ ]]; then 3221 only_tests_ids+=("${arg}") 3222 else 3223 only_tests_names+=("${arg}") 3224 fi 3225done 3226 3227if [ ${#tests[@]} -eq 0 ]; then 3228 tests=("${all_tests_names[@]}") 3229fi 3230 3231for subtests in "${tests[@]}"; do 3232 "${subtests}" 3233done 3234 3235if [ ${ret} -ne 0 ]; then 3236 echo 3237 echo "${#failed_tests[@]} failure(s) has(ve) been detected:" 3238 for i in $(get_failed_tests_ids); do 3239 echo -e "\t- ${i}: ${failed_tests[${i}]}" 3240 done 3241 echo 3242fi 3243 3244exit $ret 3245