1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4ret=0 5sin="" 6sinfail="" 7sout="" 8cin="" 9cinfail="" 10cinsent="" 11cout="" 12ksft_skip=4 13timeout_poll=30 14timeout_test=$((timeout_poll * 2 + 1)) 15mptcp_connect="" 16capture=0 17checksum=0 18ip_mptcp=0 19do_all_tests=1 20init=0 21 22TEST_COUNT=0 23 24# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) || 25# (ip6 && (ip6[74] & 0xf0) == 0x30)'" 26CBPF_MPTCP_SUBOPTION_ADD_ADDR="14, 27 48 0 0 0, 28 84 0 0 240, 29 21 0 3 64, 30 48 0 0 54, 31 84 0 0 240, 32 21 6 7 48, 33 48 0 0 0, 34 84 0 0 240, 35 21 0 4 96, 36 48 0 0 74, 37 84 0 0 240, 38 21 0 1 48, 39 6 0 0 65535, 40 6 0 0 0" 41 42init_partial() 43{ 44 capout=$(mktemp) 45 46 rndh=$(mktemp -u XXXXXX) 47 48 ns1="ns1-$rndh" 49 ns2="ns2-$rndh" 50 51 for netns in "$ns1" "$ns2";do 52 ip netns add $netns || exit $ksft_skip 53 ip -net $netns link set lo up 54 ip netns exec $netns sysctl -q net.mptcp.enabled=1 55 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0 56 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0 57 if [ $checksum -eq 1 ]; then 58 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1 59 fi 60 done 61 62 # ns1 ns2 63 # ns1eth1 ns2eth1 64 # ns1eth2 ns2eth2 65 # ns1eth3 ns2eth3 66 # ns1eth4 ns2eth4 67 68 for i in `seq 1 4`; do 69 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2" 70 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i 71 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad 72 ip -net "$ns1" link set ns1eth$i up 73 74 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i 75 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad 76 ip -net "$ns2" link set ns2eth$i up 77 78 # let $ns2 reach any $ns1 address from any interface 79 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i 80 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i 81 done 82} 83 84init_shapers() 85{ 86 for i in `seq 1 4`; do 87 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1 88 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1 89 done 90} 91 92cleanup_partial() 93{ 94 rm -f "$capout" 95 96 for netns in "$ns1" "$ns2"; do 97 ip netns del $netns 98 rm -f /tmp/$netns.{nstat,out} 99 done 100} 101 102check_tools() 103{ 104 if ! ip -Version &> /dev/null; then 105 echo "SKIP: Could not run test without ip tool" 106 exit $ksft_skip 107 fi 108 109 if ! iptables -V &> /dev/null; then 110 echo "SKIP: Could not run all tests without iptables tool" 111 exit $ksft_skip 112 fi 113 114 if ! ip6tables -V &> /dev/null; then 115 echo "SKIP: Could not run all tests without ip6tables tool" 116 exit $ksft_skip 117 fi 118} 119 120init() { 121 init=1 122 123 check_tools 124 125 sin=$(mktemp) 126 sout=$(mktemp) 127 cin=$(mktemp) 128 cinsent=$(mktemp) 129 cout=$(mktemp) 130 131 trap cleanup EXIT 132 133 make_file "$cin" "client" 1 134 make_file "$sin" "server" 1 135} 136 137cleanup() 138{ 139 rm -f "$cin" "$cout" "$sinfail" 140 rm -f "$sin" "$sout" "$cinsent" "$cinfail" 141 cleanup_partial 142} 143 144reset() 145{ 146 if [ "${init}" != "1" ]; then 147 init 148 else 149 cleanup_partial 150 fi 151 152 init_partial 153} 154 155reset_with_cookies() 156{ 157 reset 158 159 for netns in "$ns1" "$ns2";do 160 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2 161 done 162} 163 164reset_with_add_addr_timeout() 165{ 166 local ip="${1:-4}" 167 local tables 168 169 tables="iptables" 170 if [ $ip -eq 6 ]; then 171 tables="ip6tables" 172 fi 173 174 reset 175 176 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 177 ip netns exec $ns2 $tables -A OUTPUT -p tcp \ 178 -m tcp --tcp-option 30 \ 179 -m bpf --bytecode \ 180 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \ 181 -j DROP 182} 183 184reset_with_checksum() 185{ 186 local ns1_enable=$1 187 local ns2_enable=$2 188 189 reset 190 191 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable 192 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable 193} 194 195reset_with_allow_join_id0() 196{ 197 local ns1_enable=$1 198 local ns2_enable=$2 199 200 reset 201 202 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable 203 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable 204} 205 206print_file_err() 207{ 208 ls -l "$1" 1>&2 209 echo "Trailing bytes are: " 210 tail -c 27 "$1" 211} 212 213check_transfer() 214{ 215 in=$1 216 out=$2 217 what=$3 218 219 cmp "$in" "$out" > /dev/null 2>&1 220 if [ $? -ne 0 ] ;then 221 echo "[ FAIL ] $what does not match (in, out):" 222 print_file_err "$in" 223 print_file_err "$out" 224 ret=1 225 226 return 1 227 fi 228 229 return 0 230} 231 232do_ping() 233{ 234 listener_ns="$1" 235 connector_ns="$2" 236 connect_addr="$3" 237 238 ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null 239 if [ $? -ne 0 ] ; then 240 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2 241 ret=1 242 fi 243} 244 245link_failure() 246{ 247 ns="$1" 248 249 if [ -z "$FAILING_LINKS" ]; then 250 l=$((RANDOM%4)) 251 FAILING_LINKS=$((l+1)) 252 fi 253 254 for l in $FAILING_LINKS; do 255 veth="ns1eth$l" 256 ip -net "$ns" link set "$veth" down 257 done 258} 259 260# $1: IP address 261is_v6() 262{ 263 [ -z "${1##*:*}" ] 264} 265 266# $1: ns, $2: port 267wait_local_port_listen() 268{ 269 local listener_ns="${1}" 270 local port="${2}" 271 272 local port_hex i 273 274 port_hex="$(printf "%04X" "${port}")" 275 for i in $(seq 10); do 276 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \ 277 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" && 278 break 279 sleep 0.1 280 done 281} 282 283rm_addr_count() 284{ 285 ns=${1} 286 287 ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}' 288} 289 290# $1: ns, $2: old rm_addr counter in $ns 291wait_rm_addr() 292{ 293 local ns="${1}" 294 local old_cnt="${2}" 295 local cnt 296 local i 297 298 for i in $(seq 10); do 299 cnt=$(rm_addr_count ${ns}) 300 [ "$cnt" = "${old_cnt}" ] || break 301 sleep 0.1 302 done 303} 304 305pm_nl_set_limits() 306{ 307 local ns=$1 308 local addrs=$2 309 local subflows=$3 310 311 if [ $ip_mptcp -eq 1 ]; then 312 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows 313 else 314 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows 315 fi 316} 317 318pm_nl_add_endpoint() 319{ 320 local ns=$1 321 local addr=$2 322 local flags 323 local port 324 local dev 325 local id 326 local nr=2 327 328 for p in $@ 329 do 330 if [ $p = "flags" ]; then 331 eval _flags=\$"$nr" 332 [ ! -z $_flags ]; flags="flags $_flags" 333 fi 334 if [ $p = "dev" ]; then 335 eval _dev=\$"$nr" 336 [ ! -z $_dev ]; dev="dev $_dev" 337 fi 338 if [ $p = "id" ]; then 339 eval _id=\$"$nr" 340 [ ! -z $_id ]; id="id $_id" 341 fi 342 if [ $p = "port" ]; then 343 eval _port=\$"$nr" 344 [ ! -z $_port ]; port="port $_port" 345 fi 346 347 let nr+=1 348 done 349 350 if [ $ip_mptcp -eq 1 ]; then 351 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port 352 else 353 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port 354 fi 355} 356 357pm_nl_del_endpoint() 358{ 359 local ns=$1 360 local id=$2 361 local addr=$3 362 363 if [ $ip_mptcp -eq 1 ]; then 364 ip -n $ns mptcp endpoint delete id $id $addr 365 else 366 ip netns exec $ns ./pm_nl_ctl del $id $addr 367 fi 368} 369 370pm_nl_flush_endpoint() 371{ 372 local ns=$1 373 374 if [ $ip_mptcp -eq 1 ]; then 375 ip -n $ns mptcp endpoint flush 376 else 377 ip netns exec $ns ./pm_nl_ctl flush 378 fi 379} 380 381pm_nl_show_endpoints() 382{ 383 local ns=$1 384 385 if [ $ip_mptcp -eq 1 ]; then 386 ip -n $ns mptcp endpoint show 387 else 388 ip netns exec $ns ./pm_nl_ctl dump 389 fi 390} 391 392pm_nl_change_endpoint() 393{ 394 local ns=$1 395 local id=$2 396 local flags=$3 397 398 if [ $ip_mptcp -eq 1 ]; then 399 ip -n $ns mptcp endpoint change id $id ${flags//","/" "} 400 else 401 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags 402 fi 403} 404 405do_transfer() 406{ 407 listener_ns="$1" 408 connector_ns="$2" 409 cl_proto="$3" 410 srv_proto="$4" 411 connect_addr="$5" 412 test_link_fail="$6" 413 addr_nr_ns1="$7" 414 addr_nr_ns2="$8" 415 speed="$9" 416 sflags="${10}" 417 418 port=$((10000+$TEST_COUNT)) 419 TEST_COUNT=$((TEST_COUNT+1)) 420 421 :> "$cout" 422 :> "$sout" 423 :> "$capout" 424 425 if [ $capture -eq 1 ]; then 426 if [ -z $SUDO_USER ] ; then 427 capuser="" 428 else 429 capuser="-Z $SUDO_USER" 430 fi 431 432 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}") 433 434 echo "Capturing traffic for test $TEST_COUNT into $capfile" 435 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & 436 cappid=$! 437 438 sleep 1 439 fi 440 441 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 442 nstat -n 443 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 444 nstat -n 445 446 if [ $speed = "fast" ]; then 447 mptcp_connect="./mptcp_connect -j" 448 elif [ $speed = "slow" ]; then 449 mptcp_connect="./mptcp_connect -r 50" 450 elif [ $speed = "least" ]; then 451 mptcp_connect="./mptcp_connect -r 10" 452 fi 453 454 local local_addr 455 if is_v6 "${connect_addr}"; then 456 local_addr="::" 457 else 458 local_addr="0.0.0.0" 459 fi 460 461 if [ "$test_link_fail" -eq 2 ];then 462 timeout ${timeout_test} \ 463 ip netns exec ${listener_ns} \ 464 $mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ 465 ${local_addr} < "$sinfail" > "$sout" & 466 else 467 timeout ${timeout_test} \ 468 ip netns exec ${listener_ns} \ 469 $mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ 470 ${local_addr} < "$sin" > "$sout" & 471 fi 472 spid=$! 473 474 wait_local_port_listen "${listener_ns}" "${port}" 475 476 if [ "$test_link_fail" -eq 0 ];then 477 timeout ${timeout_test} \ 478 ip netns exec ${connector_ns} \ 479 $mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 480 $connect_addr < "$cin" > "$cout" & 481 else 482 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \ 483 tee "$cinsent" | \ 484 timeout ${timeout_test} \ 485 ip netns exec ${connector_ns} \ 486 $mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 487 $connect_addr > "$cout" & 488 fi 489 cpid=$! 490 491 # let the mptcp subflow be established in background before 492 # do endpoint manipulation 493 [ $addr_nr_ns1 = "0" -a $addr_nr_ns2 = "0" ] || sleep 1 494 495 if [ $addr_nr_ns1 -gt 0 ]; then 496 let add_nr_ns1=addr_nr_ns1 497 counter=2 498 while [ $add_nr_ns1 -gt 0 ]; do 499 local addr 500 if is_v6 "${connect_addr}"; then 501 addr="dead:beef:$counter::1" 502 else 503 addr="10.0.$counter.1" 504 fi 505 pm_nl_add_endpoint $ns1 $addr flags signal 506 let counter+=1 507 let add_nr_ns1-=1 508 done 509 elif [ $addr_nr_ns1 -lt 0 ]; then 510 let rm_nr_ns1=-addr_nr_ns1 511 if [ $rm_nr_ns1 -lt 8 ]; then 512 counter=0 513 pm_nl_show_endpoints ${listener_ns} | while read line; do 514 local arr=($line) 515 local nr=0 516 517 for i in ${arr[@]}; do 518 if [ $i = "id" ]; then 519 if [ $counter -eq $rm_nr_ns1 ]; then 520 break 521 fi 522 id=${arr[$nr+1]} 523 rm_addr=$(rm_addr_count ${connector_ns}) 524 pm_nl_del_endpoint ${listener_ns} $id 525 wait_rm_addr ${connector_ns} ${rm_addr} 526 let counter+=1 527 fi 528 let nr+=1 529 done 530 done 531 elif [ $rm_nr_ns1 -eq 8 ]; then 532 pm_nl_flush_endpoint ${listener_ns} 533 elif [ $rm_nr_ns1 -eq 9 ]; then 534 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr} 535 fi 536 fi 537 538 flags="subflow" 539 if [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then 540 flags="${flags},fullmesh" 541 addr_nr_ns2=${addr_nr_ns2:9} 542 fi 543 544 # if newly added endpoints must be deleted, give the background msk 545 # some time to created them 546 [ $addr_nr_ns1 -gt 0 -a $addr_nr_ns2 -lt 0 ] && sleep 1 547 548 if [ $addr_nr_ns2 -gt 0 ]; then 549 let add_nr_ns2=addr_nr_ns2 550 counter=3 551 while [ $add_nr_ns2 -gt 0 ]; do 552 local addr 553 if is_v6 "${connect_addr}"; then 554 addr="dead:beef:$counter::2" 555 else 556 addr="10.0.$counter.2" 557 fi 558 pm_nl_add_endpoint $ns2 $addr flags $flags 559 let counter+=1 560 let add_nr_ns2-=1 561 done 562 elif [ $addr_nr_ns2 -lt 0 ]; then 563 let rm_nr_ns2=-addr_nr_ns2 564 if [ $rm_nr_ns2 -lt 8 ]; then 565 counter=0 566 pm_nl_show_endpoints ${connector_ns} | while read line; do 567 local arr=($line) 568 local nr=0 569 570 for i in ${arr[@]}; do 571 if [ $i = "id" ]; then 572 if [ $counter -eq $rm_nr_ns2 ]; then 573 break 574 fi 575 # rm_addr are serialized, allow the previous one to 576 # complete 577 id=${arr[$nr+1]} 578 rm_addr=$(rm_addr_count ${listener_ns}) 579 pm_nl_del_endpoint ${connector_ns} $id 580 wait_rm_addr ${listener_ns} ${rm_addr} 581 let counter+=1 582 fi 583 let nr+=1 584 done 585 done 586 elif [ $rm_nr_ns2 -eq 8 ]; then 587 pm_nl_flush_endpoint ${connector_ns} 588 elif [ $rm_nr_ns2 -eq 9 ]; then 589 local addr 590 if is_v6 "${connect_addr}"; then 591 addr="dead:beef:1::2" 592 else 593 addr="10.0.1.2" 594 fi 595 pm_nl_del_endpoint ${connector_ns} 0 $addr 596 fi 597 fi 598 599 if [ ! -z $sflags ]; then 600 sleep 1 601 for netns in "$ns1" "$ns2"; do 602 pm_nl_show_endpoints $netns | while read line; do 603 local arr=($line) 604 local nr=0 605 local id 606 607 for i in ${arr[@]}; do 608 if [ $i = "id" ]; then 609 id=${arr[$nr+1]} 610 fi 611 let nr+=1 612 done 613 pm_nl_change_endpoint $netns $id $sflags 614 done 615 done 616 fi 617 618 wait $cpid 619 retc=$? 620 wait $spid 621 rets=$? 622 623 if [ $capture -eq 1 ]; then 624 sleep 1 625 kill $cappid 626 fi 627 628 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 629 nstat | grep Tcp > /tmp/${listener_ns}.out 630 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 631 nstat | grep Tcp > /tmp/${connector_ns}.out 632 633 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then 634 echo " client exit code $retc, server $rets" 1>&2 635 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2 636 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port" 637 cat /tmp/${listener_ns}.out 638 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2 639 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port" 640 cat /tmp/${connector_ns}.out 641 642 cat "$capout" 643 ret=1 644 return 1 645 fi 646 647 if [ "$test_link_fail" -eq 2 ];then 648 check_transfer $sinfail $cout "file received by client" 649 else 650 check_transfer $sin $cout "file received by client" 651 fi 652 retc=$? 653 if [ "$test_link_fail" -eq 0 ];then 654 check_transfer $cin $sout "file received by server" 655 else 656 check_transfer $cinsent $sout "file received by server" 657 fi 658 rets=$? 659 660 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then 661 cat "$capout" 662 return 0 663 fi 664 665 cat "$capout" 666 return 1 667} 668 669make_file() 670{ 671 name=$1 672 who=$2 673 size=$3 674 675 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null 676 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 677 678 echo "Created $name (size $size KB) containing data sent by $who" 679} 680 681run_tests() 682{ 683 listener_ns="$1" 684 connector_ns="$2" 685 connect_addr="$3" 686 test_linkfail="${4:-0}" 687 addr_nr_ns1="${5:-0}" 688 addr_nr_ns2="${6:-0}" 689 speed="${7:-fast}" 690 sflags="${8:-""}" 691 692 # create the input file for the failure test when 693 # the first failure test run 694 if [ "$test_linkfail" -ne 0 -a -z "$cinfail" ]; then 695 # the client file must be considerably larger 696 # of the maximum expected cwin value, or the 697 # link utilization will be not predicable 698 size=$((RANDOM%2)) 699 size=$((size+1)) 700 size=$((size*8192)) 701 size=$((size + ( $RANDOM % 8192) )) 702 703 cinfail=$(mktemp) 704 make_file "$cinfail" "client" $size 705 fi 706 707 if [ "$test_linkfail" -eq 2 -a -z "$sinfail" ]; then 708 size=$((RANDOM%16)) 709 size=$((size+1)) 710 size=$((size*2048)) 711 712 sinfail=$(mktemp) 713 make_file "$sinfail" "server" $size 714 fi 715 716 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \ 717 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags} 718} 719 720dump_stats() 721{ 722 echo Server ns stats 723 ip netns exec $ns1 nstat -as | grep Tcp 724 echo Client ns stats 725 ip netns exec $ns2 nstat -as | grep Tcp 726} 727 728chk_csum_nr() 729{ 730 local msg=${1:-""} 731 local count 732 local dump_stats 733 734 if [ ! -z "$msg" ]; then 735 printf "%02u" "$TEST_COUNT" 736 else 737 echo -n " " 738 fi 739 printf " %-36s %s" "$msg" "sum" 740 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'` 741 [ -z "$count" ] && count=0 742 if [ "$count" != 0 ]; then 743 echo "[fail] got $count data checksum error[s] expected 0" 744 ret=1 745 dump_stats=1 746 else 747 echo -n "[ ok ]" 748 fi 749 echo -n " - csum " 750 count=`ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'` 751 [ -z "$count" ] && count=0 752 if [ "$count" != 0 ]; then 753 echo "[fail] got $count data checksum error[s] expected 0" 754 ret=1 755 dump_stats=1 756 else 757 echo "[ ok ]" 758 fi 759 [ "${dump_stats}" = 1 ] && dump_stats 760} 761 762chk_fail_nr() 763{ 764 local mp_fail_nr_tx=$1 765 local mp_fail_nr_rx=$2 766 local count 767 local dump_stats 768 769 printf "%-39s %s" " " "ftx" 770 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}'` 771 [ -z "$count" ] && count=0 772 if [ "$count" != "$mp_fail_nr_tx" ]; then 773 echo "[fail] got $count MP_FAIL[s] TX expected $mp_fail_nr_tx" 774 ret=1 775 dump_stats=1 776 else 777 echo -n "[ ok ]" 778 fi 779 780 echo -n " - frx " 781 count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}'` 782 [ -z "$count" ] && count=0 783 if [ "$count" != "$mp_fail_nr_rx" ]; then 784 echo "[fail] got $count MP_FAIL[s] RX expected $mp_fail_nr_rx" 785 ret=1 786 dump_stats=1 787 else 788 echo "[ ok ]" 789 fi 790 791 [ "${dump_stats}" = 1 ] && dump_stats 792} 793 794chk_join_nr() 795{ 796 local msg="$1" 797 local syn_nr=$2 798 local syn_ack_nr=$3 799 local ack_nr=$4 800 local count 801 local dump_stats 802 local with_cookie 803 804 printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn" 805 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'` 806 [ -z "$count" ] && count=0 807 if [ "$count" != "$syn_nr" ]; then 808 echo "[fail] got $count JOIN[s] syn expected $syn_nr" 809 ret=1 810 dump_stats=1 811 else 812 echo -n "[ ok ]" 813 fi 814 815 echo -n " - synack" 816 with_cookie=`ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies` 817 count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'` 818 [ -z "$count" ] && count=0 819 if [ "$count" != "$syn_ack_nr" ]; then 820 # simult connections exceeding the limit with cookie enabled could go up to 821 # synack validation as the conn limit can be enforced reliably only after 822 # the subflow creation 823 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then 824 echo -n "[ ok ]" 825 else 826 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr" 827 ret=1 828 dump_stats=1 829 fi 830 else 831 echo -n "[ ok ]" 832 fi 833 834 echo -n " - ack" 835 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}'` 836 [ -z "$count" ] && count=0 837 if [ "$count" != "$ack_nr" ]; then 838 echo "[fail] got $count JOIN[s] ack expected $ack_nr" 839 ret=1 840 dump_stats=1 841 else 842 echo "[ ok ]" 843 fi 844 [ "${dump_stats}" = 1 ] && dump_stats 845 if [ $checksum -eq 1 ]; then 846 chk_csum_nr 847 chk_fail_nr 0 0 848 fi 849} 850 851# a negative value for 'stale_max' means no upper bound: 852# for bidirectional transfer, if one peer sleep for a while 853# - as these tests do - we can have a quite high number of 854# stale/recover conversions, proportional to 855# sleep duration/ MPTCP-level RTX interval. 856chk_stale_nr() 857{ 858 local ns=$1 859 local stale_min=$2 860 local stale_max=$3 861 local stale_delta=$4 862 local dump_stats 863 local stale_nr 864 local recover_nr 865 866 printf "%-39s %-18s" " " "stale" 867 stale_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}'` 868 [ -z "$stale_nr" ] && stale_nr=0 869 recover_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}'` 870 [ -z "$recover_nr" ] && recover_nr=0 871 872 if [ $stale_nr -lt $stale_min ] || 873 [ $stale_max -gt 0 -a $stale_nr -gt $stale_max ] || 874 [ $((stale_nr - $recover_nr)) -ne $stale_delta ]; then 875 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \ 876 " expected stale in range [$stale_min..$stale_max]," \ 877 " stale-recover delta $stale_delta " 878 ret=1 879 dump_stats=1 880 else 881 echo "[ ok ]" 882 fi 883 884 if [ "${dump_stats}" = 1 ]; then 885 echo $ns stats 886 ip netns exec $ns ip -s link show 887 ip netns exec $ns nstat -as | grep MPTcp 888 fi 889} 890 891chk_add_nr() 892{ 893 local add_nr=$1 894 local echo_nr=$2 895 local port_nr=${3:-0} 896 local syn_nr=${4:-$port_nr} 897 local syn_ack_nr=${5:-$port_nr} 898 local ack_nr=${6:-$port_nr} 899 local mis_syn_nr=${7:-0} 900 local mis_ack_nr=${8:-0} 901 local count 902 local dump_stats 903 local timeout 904 905 timeout=`ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout` 906 907 printf "%-39s %s" " " "add" 908 count=`ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}'` 909 [ -z "$count" ] && count=0 910 911 # if the test configured a short timeout tolerate greater then expected 912 # add addrs options, due to retransmissions 913 if [ "$count" != "$add_nr" ] && [ "$timeout" -gt 1 -o "$count" -lt "$add_nr" ]; then 914 echo "[fail] got $count ADD_ADDR[s] expected $add_nr" 915 ret=1 916 dump_stats=1 917 else 918 echo -n "[ ok ]" 919 fi 920 921 echo -n " - echo " 922 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}'` 923 [ -z "$count" ] && count=0 924 if [ "$count" != "$echo_nr" ]; then 925 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr" 926 ret=1 927 dump_stats=1 928 else 929 echo -n "[ ok ]" 930 fi 931 932 if [ $port_nr -gt 0 ]; then 933 echo -n " - pt " 934 count=`ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}'` 935 [ -z "$count" ] && count=0 936 if [ "$count" != "$port_nr" ]; then 937 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr" 938 ret=1 939 dump_stats=1 940 else 941 echo "[ ok ]" 942 fi 943 944 printf "%-39s %s" " " "syn" 945 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx | 946 awk '{print $2}'` 947 [ -z "$count" ] && count=0 948 if [ "$count" != "$syn_nr" ]; then 949 echo "[fail] got $count JOIN[s] syn with a different \ 950 port-number expected $syn_nr" 951 ret=1 952 dump_stats=1 953 else 954 echo -n "[ ok ]" 955 fi 956 957 echo -n " - synack" 958 count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx | 959 awk '{print $2}'` 960 [ -z "$count" ] && count=0 961 if [ "$count" != "$syn_ack_nr" ]; then 962 echo "[fail] got $count JOIN[s] synack with a different \ 963 port-number expected $syn_ack_nr" 964 ret=1 965 dump_stats=1 966 else 967 echo -n "[ ok ]" 968 fi 969 970 echo -n " - ack" 971 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx | 972 awk '{print $2}'` 973 [ -z "$count" ] && count=0 974 if [ "$count" != "$ack_nr" ]; then 975 echo "[fail] got $count JOIN[s] ack with a different \ 976 port-number expected $ack_nr" 977 ret=1 978 dump_stats=1 979 else 980 echo "[ ok ]" 981 fi 982 983 printf "%-39s %s" " " "syn" 984 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx | 985 awk '{print $2}'` 986 [ -z "$count" ] && count=0 987 if [ "$count" != "$mis_syn_nr" ]; then 988 echo "[fail] got $count JOIN[s] syn with a mismatched \ 989 port-number expected $mis_syn_nr" 990 ret=1 991 dump_stats=1 992 else 993 echo -n "[ ok ]" 994 fi 995 996 echo -n " - ack " 997 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx | 998 awk '{print $2}'` 999 [ -z "$count" ] && count=0 1000 if [ "$count" != "$mis_ack_nr" ]; then 1001 echo "[fail] got $count JOIN[s] ack with a mismatched \ 1002 port-number expected $mis_ack_nr" 1003 ret=1 1004 dump_stats=1 1005 else 1006 echo "[ ok ]" 1007 fi 1008 else 1009 echo "" 1010 fi 1011 1012 [ "${dump_stats}" = 1 ] && dump_stats 1013} 1014 1015chk_rm_nr() 1016{ 1017 local rm_addr_nr=$1 1018 local rm_subflow_nr=$2 1019 local invert=${3:-""} 1020 local count 1021 local dump_stats 1022 local addr_ns 1023 local subflow_ns 1024 1025 if [ -z $invert ]; then 1026 addr_ns=$ns1 1027 subflow_ns=$ns2 1028 elif [ $invert = "invert" ]; then 1029 addr_ns=$ns2 1030 subflow_ns=$ns1 1031 fi 1032 1033 printf "%-39s %s" " " "rm " 1034 count=`ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'` 1035 [ -z "$count" ] && count=0 1036 if [ "$count" != "$rm_addr_nr" ]; then 1037 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr" 1038 ret=1 1039 dump_stats=1 1040 else 1041 echo -n "[ ok ]" 1042 fi 1043 1044 echo -n " - sf " 1045 count=`ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}'` 1046 [ -z "$count" ] && count=0 1047 if [ "$count" != "$rm_subflow_nr" ]; then 1048 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr" 1049 ret=1 1050 dump_stats=1 1051 else 1052 echo "[ ok ]" 1053 fi 1054 1055 [ "${dump_stats}" = 1 ] && dump_stats 1056} 1057 1058chk_prio_nr() 1059{ 1060 local mp_prio_nr_tx=$1 1061 local mp_prio_nr_rx=$2 1062 local count 1063 local dump_stats 1064 1065 printf "%-39s %s" " " "ptx" 1066 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}'` 1067 [ -z "$count" ] && count=0 1068 if [ "$count" != "$mp_prio_nr_tx" ]; then 1069 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx" 1070 ret=1 1071 dump_stats=1 1072 else 1073 echo -n "[ ok ]" 1074 fi 1075 1076 echo -n " - prx " 1077 count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}'` 1078 [ -z "$count" ] && count=0 1079 if [ "$count" != "$mp_prio_nr_rx" ]; then 1080 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx" 1081 ret=1 1082 dump_stats=1 1083 else 1084 echo "[ ok ]" 1085 fi 1086 1087 [ "${dump_stats}" = 1 ] && dump_stats 1088} 1089 1090chk_link_usage() 1091{ 1092 local ns=$1 1093 local link=$2 1094 local out=$3 1095 local expected_rate=$4 1096 local tx_link=`ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes` 1097 local tx_total=`ls -l $out | awk '{print $5}'` 1098 local tx_rate=$((tx_link * 100 / $tx_total)) 1099 local tolerance=5 1100 1101 printf "%-39s %-18s" " " "link usage" 1102 if [ $tx_rate -lt $((expected_rate - $tolerance)) -o \ 1103 $tx_rate -gt $((expected_rate + $tolerance)) ]; then 1104 echo "[fail] got $tx_rate% usage, expected $expected_rate%" 1105 ret=1 1106 else 1107 echo "[ ok ]" 1108 fi 1109} 1110 1111wait_for_tw() 1112{ 1113 local timeout_ms=$((timeout_poll * 1000)) 1114 local time=0 1115 local ns=$1 1116 1117 while [ $time -lt $timeout_ms ]; do 1118 local cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}') 1119 1120 [ "$cnt" = 1 ] && return 1 1121 time=$((time + 100)) 1122 sleep 0.1 1123 done 1124 return 1 1125} 1126 1127subflows_tests() 1128{ 1129 reset 1130 run_tests $ns1 $ns2 10.0.1.1 1131 chk_join_nr "no JOIN" "0" "0" "0" 1132 1133 # subflow limited by client 1134 reset 1135 pm_nl_set_limits $ns1 0 0 1136 pm_nl_set_limits $ns2 0 0 1137 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1138 run_tests $ns1 $ns2 10.0.1.1 1139 chk_join_nr "single subflow, limited by client" 0 0 0 1140 1141 # subflow limited by server 1142 reset 1143 pm_nl_set_limits $ns1 0 0 1144 pm_nl_set_limits $ns2 0 1 1145 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1146 run_tests $ns1 $ns2 10.0.1.1 1147 chk_join_nr "single subflow, limited by server" 1 1 0 1148 1149 # subflow 1150 reset 1151 pm_nl_set_limits $ns1 0 1 1152 pm_nl_set_limits $ns2 0 1 1153 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1154 run_tests $ns1 $ns2 10.0.1.1 1155 chk_join_nr "single subflow" 1 1 1 1156 1157 # multiple subflows 1158 reset 1159 pm_nl_set_limits $ns1 0 2 1160 pm_nl_set_limits $ns2 0 2 1161 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1162 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1163 run_tests $ns1 $ns2 10.0.1.1 1164 chk_join_nr "multiple subflows" 2 2 2 1165 1166 # multiple subflows limited by server 1167 reset 1168 pm_nl_set_limits $ns1 0 1 1169 pm_nl_set_limits $ns2 0 2 1170 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1171 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1172 run_tests $ns1 $ns2 10.0.1.1 1173 chk_join_nr "multiple subflows, limited by server" 2 2 1 1174 1175 # single subflow, dev 1176 reset 1177 pm_nl_set_limits $ns1 0 1 1178 pm_nl_set_limits $ns2 0 1 1179 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3 1180 run_tests $ns1 $ns2 10.0.1.1 1181 chk_join_nr "single subflow, dev" 1 1 1 1182} 1183 1184subflows_error_tests() 1185{ 1186 # If a single subflow is configured, and matches the MPC src 1187 # address, no additional subflow should be created 1188 reset 1189 pm_nl_set_limits $ns1 0 1 1190 pm_nl_set_limits $ns2 0 1 1191 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow 1192 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1193 chk_join_nr "no MPC reuse with single endpoint" 0 0 0 1194 1195 # multiple subflows, with subflow creation error 1196 reset 1197 pm_nl_set_limits $ns1 0 2 1198 pm_nl_set_limits $ns2 0 2 1199 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1200 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1201 ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT 1202 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1203 chk_join_nr "multi subflows, with failing subflow" 1 1 1 1204 1205 # multiple subflows, with subflow timeout on MPJ 1206 reset 1207 pm_nl_set_limits $ns1 0 2 1208 pm_nl_set_limits $ns2 0 2 1209 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1210 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1211 ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j DROP 1212 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1213 chk_join_nr "multi subflows, with subflow timeout" 1 1 1 1214 1215 # multiple subflows, check that the endpoint corresponding to 1216 # closed subflow (due to reset) is not reused if additional 1217 # subflows are added later 1218 reset 1219 pm_nl_set_limits $ns1 0 1 1220 pm_nl_set_limits $ns2 0 1 1221 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1222 ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT 1223 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow & 1224 1225 # updates in the child shell do not have any effect here, we 1226 # need to bump the test counter for the above case 1227 TEST_COUNT=$((TEST_COUNT+1)) 1228 1229 # mpj subflow will be in TW after the reset 1230 wait_for_tw $ns2 1231 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1232 wait 1233 1234 # additional subflow could be created only if the PM select 1235 # the later endpoint, skipping the already used one 1236 chk_join_nr "multi subflows, fair usage on close" 1 1 1 1237} 1238 1239signal_address_tests() 1240{ 1241 # add_address, unused 1242 reset 1243 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1244 run_tests $ns1 $ns2 10.0.1.1 1245 chk_join_nr "unused signal address" 0 0 0 1246 chk_add_nr 1 1 1247 1248 # accept and use add_addr 1249 reset 1250 pm_nl_set_limits $ns1 0 1 1251 pm_nl_set_limits $ns2 1 1 1252 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1253 run_tests $ns1 $ns2 10.0.1.1 1254 chk_join_nr "signal address" 1 1 1 1255 chk_add_nr 1 1 1256 1257 # accept and use add_addr with an additional subflow 1258 # note: signal address in server ns and local addresses in client ns must 1259 # belong to different subnets or one of the listed local address could be 1260 # used for 'add_addr' subflow 1261 reset 1262 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1263 pm_nl_set_limits $ns1 0 2 1264 pm_nl_set_limits $ns2 1 2 1265 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1266 run_tests $ns1 $ns2 10.0.1.1 1267 chk_join_nr "subflow and signal" 2 2 2 1268 chk_add_nr 1 1 1269 1270 # accept and use add_addr with additional subflows 1271 reset 1272 pm_nl_set_limits $ns1 0 3 1273 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1274 pm_nl_set_limits $ns2 1 3 1275 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1276 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1277 run_tests $ns1 $ns2 10.0.1.1 1278 chk_join_nr "multiple subflows and signal" 3 3 3 1279 chk_add_nr 1 1 1280 1281 # signal addresses 1282 reset 1283 pm_nl_set_limits $ns1 3 3 1284 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1285 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1286 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1287 pm_nl_set_limits $ns2 3 3 1288 run_tests $ns1 $ns2 10.0.1.1 1289 chk_join_nr "signal addresses" 3 3 3 1290 chk_add_nr 3 3 1291 1292 # signal invalid addresses 1293 reset 1294 pm_nl_set_limits $ns1 3 3 1295 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 1296 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1297 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 1298 pm_nl_set_limits $ns2 3 3 1299 run_tests $ns1 $ns2 10.0.1.1 1300 chk_join_nr "signal invalid addresses" 1 1 1 1301 chk_add_nr 3 3 1302 1303 # signal addresses race test 1304 reset 1305 pm_nl_set_limits $ns1 4 4 1306 pm_nl_set_limits $ns2 4 4 1307 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal 1308 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1309 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1310 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1311 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal 1312 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal 1313 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal 1314 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal 1315 1316 # the peer could possibly miss some addr notification, allow retransmission 1317 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 1318 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1319 chk_join_nr "signal addresses race test" 3 3 3 1320 1321 # the server will not signal the address terminating 1322 # the MPC subflow 1323 chk_add_nr 3 3 1324} 1325 1326link_failure_tests() 1327{ 1328 # accept and use add_addr with additional subflows and link loss 1329 reset 1330 1331 # without any b/w limit each veth could spool the packets and get 1332 # them acked at xmit time, so that the corresponding subflow will 1333 # have almost always no outstanding pkts, the scheduler will pick 1334 # always the first subflow and we will have hard time testing 1335 # active backup and link switch-over. 1336 # Let's set some arbitrary (low) virtual link limits. 1337 init_shapers 1338 pm_nl_set_limits $ns1 0 3 1339 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1340 pm_nl_set_limits $ns2 1 3 1341 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow 1342 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow 1343 run_tests $ns1 $ns2 10.0.1.1 1 1344 chk_join_nr "multiple flows, signal, link failure" 3 3 3 1345 chk_add_nr 1 1 1346 chk_stale_nr $ns2 1 5 1 1347 1348 # accept and use add_addr with additional subflows and link loss 1349 # for bidirectional transfer 1350 reset 1351 init_shapers 1352 pm_nl_set_limits $ns1 0 3 1353 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1354 pm_nl_set_limits $ns2 1 3 1355 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow 1356 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow 1357 run_tests $ns1 $ns2 10.0.1.1 2 1358 chk_join_nr "multi flows, signal, bidi, link fail" 3 3 3 1359 chk_add_nr 1 1 1360 chk_stale_nr $ns2 1 -1 1 1361 1362 # 2 subflows plus 1 backup subflow with a lossy link, backup 1363 # will never be used 1364 reset 1365 init_shapers 1366 pm_nl_set_limits $ns1 0 2 1367 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1368 pm_nl_set_limits $ns2 1 2 1369 export FAILING_LINKS="1" 1370 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 1371 run_tests $ns1 $ns2 10.0.1.1 1 1372 chk_join_nr "backup subflow unused, link failure" 2 2 2 1373 chk_add_nr 1 1 1374 chk_link_usage $ns2 ns2eth3 $cinsent 0 1375 1376 # 2 lossy links after half transfer, backup will get half of 1377 # the traffic 1378 reset 1379 init_shapers 1380 pm_nl_set_limits $ns1 0 2 1381 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1382 pm_nl_set_limits $ns2 1 2 1383 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 1384 export FAILING_LINKS="1 2" 1385 run_tests $ns1 $ns2 10.0.1.1 1 1386 chk_join_nr "backup flow used, multi links fail" 2 2 2 1387 chk_add_nr 1 1 1388 chk_stale_nr $ns2 2 4 2 1389 chk_link_usage $ns2 ns2eth3 $cinsent 50 1390 1391 # use a backup subflow with the first subflow on a lossy link 1392 # for bidirectional transfer 1393 reset 1394 init_shapers 1395 pm_nl_set_limits $ns1 0 2 1396 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal 1397 pm_nl_set_limits $ns2 1 3 1398 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup 1399 run_tests $ns1 $ns2 10.0.1.1 2 1400 chk_join_nr "backup flow used, bidi, link failure" 2 2 2 1401 chk_add_nr 1 1 1402 chk_stale_nr $ns2 1 -1 2 1403 chk_link_usage $ns2 ns2eth3 $cinsent 50 1404} 1405 1406add_addr_timeout_tests() 1407{ 1408 # add_addr timeout 1409 reset_with_add_addr_timeout 1410 pm_nl_set_limits $ns1 0 1 1411 pm_nl_set_limits $ns2 1 1 1412 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1413 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 1414 chk_join_nr "signal address, ADD_ADDR timeout" 1 1 1 1415 chk_add_nr 4 0 1416 1417 # add_addr timeout IPv6 1418 reset_with_add_addr_timeout 6 1419 pm_nl_set_limits $ns1 0 1 1420 pm_nl_set_limits $ns2 1 1 1421 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 1422 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 1423 chk_join_nr "signal address, ADD_ADDR6 timeout" 1 1 1 1424 chk_add_nr 4 0 1425 1426 # signal addresses timeout 1427 reset_with_add_addr_timeout 1428 pm_nl_set_limits $ns1 2 2 1429 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1430 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1431 pm_nl_set_limits $ns2 2 2 1432 run_tests $ns1 $ns2 10.0.1.1 0 0 0 least 1433 chk_join_nr "signal addresses, ADD_ADDR timeout" 2 2 2 1434 chk_add_nr 8 0 1435 1436 # signal invalid addresses timeout 1437 reset_with_add_addr_timeout 1438 pm_nl_set_limits $ns1 2 2 1439 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 1440 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1441 pm_nl_set_limits $ns2 2 2 1442 run_tests $ns1 $ns2 10.0.1.1 0 0 0 least 1443 chk_join_nr "invalid address, ADD_ADDR timeout" 1 1 1 1444 chk_add_nr 8 0 1445} 1446 1447remove_tests() 1448{ 1449 # single subflow, remove 1450 reset 1451 pm_nl_set_limits $ns1 0 1 1452 pm_nl_set_limits $ns2 0 1 1453 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1454 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow 1455 chk_join_nr "remove single subflow" 1 1 1 1456 chk_rm_nr 1 1 1457 1458 # multiple subflows, remove 1459 reset 1460 pm_nl_set_limits $ns1 0 2 1461 pm_nl_set_limits $ns2 0 2 1462 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1463 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1464 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow 1465 chk_join_nr "remove multiple subflows" 2 2 2 1466 chk_rm_nr 2 2 1467 1468 # single address, remove 1469 reset 1470 pm_nl_set_limits $ns1 0 1 1471 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1472 pm_nl_set_limits $ns2 1 1 1473 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow 1474 chk_join_nr "remove single address" 1 1 1 1475 chk_add_nr 1 1 1476 chk_rm_nr 1 1 invert 1477 1478 # subflow and signal, remove 1479 reset 1480 pm_nl_set_limits $ns1 0 2 1481 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1482 pm_nl_set_limits $ns2 1 2 1483 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1484 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow 1485 chk_join_nr "remove subflow and signal" 2 2 2 1486 chk_add_nr 1 1 1487 chk_rm_nr 1 1 1488 1489 # subflows and signal, remove 1490 reset 1491 pm_nl_set_limits $ns1 0 3 1492 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1493 pm_nl_set_limits $ns2 1 3 1494 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1495 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1496 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow 1497 chk_join_nr "remove subflows and signal" 3 3 3 1498 chk_add_nr 1 1 1499 chk_rm_nr 2 2 1500 1501 # addresses remove 1502 reset 1503 pm_nl_set_limits $ns1 3 3 1504 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250 1505 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1506 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1507 pm_nl_set_limits $ns2 3 3 1508 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow 1509 chk_join_nr "remove addresses" 3 3 3 1510 chk_add_nr 3 3 1511 chk_rm_nr 3 3 invert 1512 1513 # invalid addresses remove 1514 reset 1515 pm_nl_set_limits $ns1 3 3 1516 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 1517 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1518 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 1519 pm_nl_set_limits $ns2 3 3 1520 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow 1521 chk_join_nr "remove invalid addresses" 1 1 1 1522 chk_add_nr 3 3 1523 chk_rm_nr 3 1 invert 1524 1525 # subflows and signal, flush 1526 reset 1527 pm_nl_set_limits $ns1 0 3 1528 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1529 pm_nl_set_limits $ns2 1 3 1530 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1531 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1532 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 1533 chk_join_nr "flush subflows and signal" 3 3 3 1534 chk_add_nr 1 1 1535 chk_rm_nr 2 2 1536 1537 # subflows flush 1538 reset 1539 pm_nl_set_limits $ns1 3 3 1540 pm_nl_set_limits $ns2 3 3 1541 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150 1542 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1543 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1544 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 1545 chk_join_nr "flush subflows" 3 3 3 1546 chk_rm_nr 3 3 1547 1548 # addresses flush 1549 reset 1550 pm_nl_set_limits $ns1 3 3 1551 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250 1552 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1553 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal 1554 pm_nl_set_limits $ns2 3 3 1555 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow 1556 chk_join_nr "flush addresses" 3 3 3 1557 chk_add_nr 3 3 1558 chk_rm_nr 3 3 invert 1559 1560 # invalid addresses flush 1561 reset 1562 pm_nl_set_limits $ns1 3 3 1563 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal 1564 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal 1565 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal 1566 pm_nl_set_limits $ns2 3 3 1567 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow 1568 chk_join_nr "flush invalid addresses" 1 1 1 1569 chk_add_nr 3 3 1570 chk_rm_nr 3 1 invert 1571 1572 # remove id 0 subflow 1573 reset 1574 pm_nl_set_limits $ns1 0 1 1575 pm_nl_set_limits $ns2 0 1 1576 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1577 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow 1578 chk_join_nr "remove id 0 subflow" 1 1 1 1579 chk_rm_nr 1 1 1580 1581 # remove id 0 address 1582 reset 1583 pm_nl_set_limits $ns1 0 1 1584 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1585 pm_nl_set_limits $ns2 1 1 1586 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow 1587 chk_join_nr "remove id 0 address" 1 1 1 1588 chk_add_nr 1 1 1589 chk_rm_nr 1 1 invert 1590} 1591 1592add_tests() 1593{ 1594 # add single subflow 1595 reset 1596 pm_nl_set_limits $ns1 0 1 1597 pm_nl_set_limits $ns2 0 1 1598 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow 1599 chk_join_nr "add single subflow" 1 1 1 1600 1601 # add signal address 1602 reset 1603 pm_nl_set_limits $ns1 0 1 1604 pm_nl_set_limits $ns2 1 1 1605 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow 1606 chk_join_nr "add signal address" 1 1 1 1607 chk_add_nr 1 1 1608 1609 # add multiple subflows 1610 reset 1611 pm_nl_set_limits $ns1 0 2 1612 pm_nl_set_limits $ns2 0 2 1613 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow 1614 chk_join_nr "add multiple subflows" 2 2 2 1615 1616 # add multiple subflows IPv6 1617 reset 1618 pm_nl_set_limits $ns1 0 2 1619 pm_nl_set_limits $ns2 0 2 1620 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow 1621 chk_join_nr "add multiple subflows IPv6" 2 2 2 1622 1623 # add multiple addresses IPv6 1624 reset 1625 pm_nl_set_limits $ns1 0 2 1626 pm_nl_set_limits $ns2 2 2 1627 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow 1628 chk_join_nr "add multiple addresses IPv6" 2 2 2 1629 chk_add_nr 2 2 1630} 1631 1632ipv6_tests() 1633{ 1634 # subflow IPv6 1635 reset 1636 pm_nl_set_limits $ns1 0 1 1637 pm_nl_set_limits $ns2 0 1 1638 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow 1639 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 1640 chk_join_nr "single subflow IPv6" 1 1 1 1641 1642 # add_address, unused IPv6 1643 reset 1644 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 1645 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 1646 chk_join_nr "unused signal address IPv6" 0 0 0 1647 chk_add_nr 1 1 1648 1649 # signal address IPv6 1650 reset 1651 pm_nl_set_limits $ns1 0 1 1652 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 1653 pm_nl_set_limits $ns2 1 1 1654 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow 1655 chk_join_nr "single address IPv6" 1 1 1 1656 chk_add_nr 1 1 1657 1658 # single address IPv6, remove 1659 reset 1660 pm_nl_set_limits $ns1 0 1 1661 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 1662 pm_nl_set_limits $ns2 1 1 1663 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow 1664 chk_join_nr "remove single address IPv6" 1 1 1 1665 chk_add_nr 1 1 1666 chk_rm_nr 1 1 invert 1667 1668 # subflow and signal IPv6, remove 1669 reset 1670 pm_nl_set_limits $ns1 0 2 1671 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal 1672 pm_nl_set_limits $ns2 1 2 1673 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow 1674 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow 1675 chk_join_nr "remove subflow and signal IPv6" 2 2 2 1676 chk_add_nr 1 1 1677 chk_rm_nr 1 1 1678} 1679 1680v4mapped_tests() 1681{ 1682 # subflow IPv4-mapped to IPv4-mapped 1683 reset 1684 pm_nl_set_limits $ns1 0 1 1685 pm_nl_set_limits $ns2 0 1 1686 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow 1687 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 1688 chk_join_nr "single subflow IPv4-mapped" 1 1 1 1689 1690 # signal address IPv4-mapped with IPv4-mapped sk 1691 reset 1692 pm_nl_set_limits $ns1 0 1 1693 pm_nl_set_limits $ns2 1 1 1694 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal 1695 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 1696 chk_join_nr "signal address IPv4-mapped" 1 1 1 1697 chk_add_nr 1 1 1698 1699 # subflow v4-map-v6 1700 reset 1701 pm_nl_set_limits $ns1 0 1 1702 pm_nl_set_limits $ns2 0 1 1703 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1704 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 1705 chk_join_nr "single subflow v4-map-v6" 1 1 1 1706 1707 # signal address v4-map-v6 1708 reset 1709 pm_nl_set_limits $ns1 0 1 1710 pm_nl_set_limits $ns2 1 1 1711 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1712 run_tests $ns1 $ns2 "::ffff:10.0.1.1" 1713 chk_join_nr "signal address v4-map-v6" 1 1 1 1714 chk_add_nr 1 1 1715 1716 # subflow v6-map-v4 1717 reset 1718 pm_nl_set_limits $ns1 0 1 1719 pm_nl_set_limits $ns2 0 1 1720 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow 1721 run_tests $ns1 $ns2 10.0.1.1 1722 chk_join_nr "single subflow v6-map-v4" 1 1 1 1723 1724 # signal address v6-map-v4 1725 reset 1726 pm_nl_set_limits $ns1 0 1 1727 pm_nl_set_limits $ns2 1 1 1728 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal 1729 run_tests $ns1 $ns2 10.0.1.1 1730 chk_join_nr "signal address v6-map-v4" 1 1 1 1731 chk_add_nr 1 1 1732 1733 # no subflow IPv6 to v4 address 1734 reset 1735 pm_nl_set_limits $ns1 0 1 1736 pm_nl_set_limits $ns2 0 1 1737 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow 1738 run_tests $ns1 $ns2 10.0.1.1 1739 chk_join_nr "no JOIN with diff families v4-v6" 0 0 0 1740 1741 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end 1742 reset 1743 pm_nl_set_limits $ns1 0 1 1744 pm_nl_set_limits $ns2 0 1 1745 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow 1746 run_tests $ns1 $ns2 10.0.1.1 1747 chk_join_nr "no JOIN with diff families v4-v6-2" 0 0 0 1748 1749 # no subflow IPv4 to v6 address, no need to slow down too then 1750 reset 1751 pm_nl_set_limits $ns1 0 1 1752 pm_nl_set_limits $ns2 0 1 1753 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1754 run_tests $ns1 $ns2 dead:beef:1::1 1755 chk_join_nr "no JOIN with diff families v6-v4" 0 0 0 1756} 1757 1758backup_tests() 1759{ 1760 # single subflow, backup 1761 reset 1762 pm_nl_set_limits $ns1 0 1 1763 pm_nl_set_limits $ns2 0 1 1764 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup 1765 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup 1766 chk_join_nr "single subflow, backup" 1 1 1 1767 chk_prio_nr 0 1 1768 1769 # single address, backup 1770 reset 1771 pm_nl_set_limits $ns1 0 1 1772 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1773 pm_nl_set_limits $ns2 1 1 1774 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 1775 chk_join_nr "single address, backup" 1 1 1 1776 chk_add_nr 1 1 1777 chk_prio_nr 1 0 1778 1779 # single address with port, backup 1780 reset 1781 pm_nl_set_limits $ns1 0 1 1782 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1783 pm_nl_set_limits $ns2 1 1 1784 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup 1785 chk_join_nr "single address with port, backup" 1 1 1 1786 chk_add_nr 1 1 1787 chk_prio_nr 1 0 1788} 1789 1790add_addr_ports_tests() 1791{ 1792 # signal address with port 1793 reset 1794 pm_nl_set_limits $ns1 0 1 1795 pm_nl_set_limits $ns2 1 1 1796 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1797 run_tests $ns1 $ns2 10.0.1.1 1798 chk_join_nr "signal address with port" 1 1 1 1799 chk_add_nr 1 1 1 1800 1801 # subflow and signal with port 1802 reset 1803 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1804 pm_nl_set_limits $ns1 0 2 1805 pm_nl_set_limits $ns2 1 2 1806 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1807 run_tests $ns1 $ns2 10.0.1.1 1808 chk_join_nr "subflow and signal with port" 2 2 2 1809 chk_add_nr 1 1 1 1810 1811 # single address with port, remove 1812 reset 1813 pm_nl_set_limits $ns1 0 1 1814 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1815 pm_nl_set_limits $ns2 1 1 1816 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow 1817 chk_join_nr "remove single address with port" 1 1 1 1818 chk_add_nr 1 1 1 1819 chk_rm_nr 1 1 invert 1820 1821 # subflow and signal with port, remove 1822 reset 1823 pm_nl_set_limits $ns1 0 2 1824 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1825 pm_nl_set_limits $ns2 1 2 1826 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1827 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow 1828 chk_join_nr "remove subflow and signal with port" 2 2 2 1829 chk_add_nr 1 1 1 1830 chk_rm_nr 1 1 1831 1832 # subflows and signal with port, flush 1833 reset 1834 pm_nl_set_limits $ns1 0 3 1835 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1836 pm_nl_set_limits $ns2 1 3 1837 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1838 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1839 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow 1840 chk_join_nr "flush subflows and signal with port" 3 3 3 1841 chk_add_nr 1 1 1842 chk_rm_nr 2 2 1843 1844 # multiple addresses with port 1845 reset 1846 pm_nl_set_limits $ns1 2 2 1847 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1848 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100 1849 pm_nl_set_limits $ns2 2 2 1850 run_tests $ns1 $ns2 10.0.1.1 1851 chk_join_nr "multiple addresses with port" 2 2 2 1852 chk_add_nr 2 2 2 1853 1854 # multiple addresses with ports 1855 reset 1856 pm_nl_set_limits $ns1 2 2 1857 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 1858 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101 1859 pm_nl_set_limits $ns2 2 2 1860 run_tests $ns1 $ns2 10.0.1.1 1861 chk_join_nr "multiple addresses with ports" 2 2 2 1862 chk_add_nr 2 2 2 1863} 1864 1865syncookies_tests() 1866{ 1867 # single subflow, syncookies 1868 reset_with_cookies 1869 pm_nl_set_limits $ns1 0 1 1870 pm_nl_set_limits $ns2 0 1 1871 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1872 run_tests $ns1 $ns2 10.0.1.1 1873 chk_join_nr "single subflow with syn cookies" 1 1 1 1874 1875 # multiple subflows with syn cookies 1876 reset_with_cookies 1877 pm_nl_set_limits $ns1 0 2 1878 pm_nl_set_limits $ns2 0 2 1879 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1880 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1881 run_tests $ns1 $ns2 10.0.1.1 1882 chk_join_nr "multiple subflows with syn cookies" 2 2 2 1883 1884 # multiple subflows limited by server 1885 reset_with_cookies 1886 pm_nl_set_limits $ns1 0 1 1887 pm_nl_set_limits $ns2 0 2 1888 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1889 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow 1890 run_tests $ns1 $ns2 10.0.1.1 1891 chk_join_nr "subflows limited by server w cookies" 2 1 1 1892 1893 # test signal address with cookies 1894 reset_with_cookies 1895 pm_nl_set_limits $ns1 0 1 1896 pm_nl_set_limits $ns2 1 1 1897 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1898 run_tests $ns1 $ns2 10.0.1.1 1899 chk_join_nr "signal address with syn cookies" 1 1 1 1900 chk_add_nr 1 1 1901 1902 # test cookie with subflow and signal 1903 reset_with_cookies 1904 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1905 pm_nl_set_limits $ns1 0 2 1906 pm_nl_set_limits $ns2 1 2 1907 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1908 run_tests $ns1 $ns2 10.0.1.1 1909 chk_join_nr "subflow and signal w cookies" 2 2 2 1910 chk_add_nr 1 1 1911 1912 # accept and use add_addr with additional subflows 1913 reset_with_cookies 1914 pm_nl_set_limits $ns1 0 3 1915 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1916 pm_nl_set_limits $ns2 1 3 1917 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1918 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow 1919 run_tests $ns1 $ns2 10.0.1.1 1920 chk_join_nr "subflows and signal w. cookies" 3 3 3 1921 chk_add_nr 1 1 1922} 1923 1924checksum_tests() 1925{ 1926 # checksum test 0 0 1927 reset_with_checksum 0 0 1928 pm_nl_set_limits $ns1 0 1 1929 pm_nl_set_limits $ns2 0 1 1930 run_tests $ns1 $ns2 10.0.1.1 1931 chk_csum_nr "checksum test 0 0" 1932 1933 # checksum test 1 1 1934 reset_with_checksum 1 1 1935 pm_nl_set_limits $ns1 0 1 1936 pm_nl_set_limits $ns2 0 1 1937 run_tests $ns1 $ns2 10.0.1.1 1938 chk_csum_nr "checksum test 1 1" 1939 1940 # checksum test 0 1 1941 reset_with_checksum 0 1 1942 pm_nl_set_limits $ns1 0 1 1943 pm_nl_set_limits $ns2 0 1 1944 run_tests $ns1 $ns2 10.0.1.1 1945 chk_csum_nr "checksum test 0 1" 1946 1947 # checksum test 1 0 1948 reset_with_checksum 1 0 1949 pm_nl_set_limits $ns1 0 1 1950 pm_nl_set_limits $ns2 0 1 1951 run_tests $ns1 $ns2 10.0.1.1 1952 chk_csum_nr "checksum test 1 0" 1953} 1954 1955deny_join_id0_tests() 1956{ 1957 # subflow allow join id0 ns1 1958 reset_with_allow_join_id0 1 0 1959 pm_nl_set_limits $ns1 1 1 1960 pm_nl_set_limits $ns2 1 1 1961 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1962 run_tests $ns1 $ns2 10.0.1.1 1963 chk_join_nr "single subflow allow join id0 ns1" 1 1 1 1964 1965 # subflow allow join id0 ns2 1966 reset_with_allow_join_id0 0 1 1967 pm_nl_set_limits $ns1 1 1 1968 pm_nl_set_limits $ns2 1 1 1969 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1970 run_tests $ns1 $ns2 10.0.1.1 1971 chk_join_nr "single subflow allow join id0 ns2" 0 0 0 1972 1973 # signal address allow join id0 ns1 1974 # ADD_ADDRs are not affected by allow_join_id0 value. 1975 reset_with_allow_join_id0 1 0 1976 pm_nl_set_limits $ns1 1 1 1977 pm_nl_set_limits $ns2 1 1 1978 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1979 run_tests $ns1 $ns2 10.0.1.1 1980 chk_join_nr "signal address allow join id0 ns1" 1 1 1 1981 chk_add_nr 1 1 1982 1983 # signal address allow join id0 ns2 1984 # ADD_ADDRs are not affected by allow_join_id0 value. 1985 reset_with_allow_join_id0 0 1 1986 pm_nl_set_limits $ns1 1 1 1987 pm_nl_set_limits $ns2 1 1 1988 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1989 run_tests $ns1 $ns2 10.0.1.1 1990 chk_join_nr "signal address allow join id0 ns2" 1 1 1 1991 chk_add_nr 1 1 1992 1993 # subflow and address allow join id0 ns1 1994 reset_with_allow_join_id0 1 0 1995 pm_nl_set_limits $ns1 2 2 1996 pm_nl_set_limits $ns2 2 2 1997 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 1998 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 1999 run_tests $ns1 $ns2 10.0.1.1 2000 chk_join_nr "subflow and address allow join id0 1" 2 2 2 2001 2002 # subflow and address allow join id0 ns2 2003 reset_with_allow_join_id0 0 1 2004 pm_nl_set_limits $ns1 2 2 2005 pm_nl_set_limits $ns2 2 2 2006 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2007 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow 2008 run_tests $ns1 $ns2 10.0.1.1 2009 chk_join_nr "subflow and address allow join id0 2" 1 1 1 2010} 2011 2012fullmesh_tests() 2013{ 2014 # fullmesh 1 2015 # 2 fullmesh addrs in ns2, added before the connection, 2016 # 1 non-fullmesh addr in ns1, added during the connection. 2017 reset 2018 pm_nl_set_limits $ns1 0 4 2019 pm_nl_set_limits $ns2 1 4 2020 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh 2021 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh 2022 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow 2023 chk_join_nr "fullmesh test 2x1" 4 4 4 2024 chk_add_nr 1 1 2025 2026 # fullmesh 2 2027 # 1 non-fullmesh addr in ns1, added before the connection, 2028 # 1 fullmesh addr in ns2, added during the connection. 2029 reset 2030 pm_nl_set_limits $ns1 1 3 2031 pm_nl_set_limits $ns2 1 3 2032 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2033 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow 2034 chk_join_nr "fullmesh test 1x1" 3 3 3 2035 chk_add_nr 1 1 2036 2037 # fullmesh 3 2038 # 1 non-fullmesh addr in ns1, added before the connection, 2039 # 2 fullmesh addrs in ns2, added during the connection. 2040 reset 2041 pm_nl_set_limits $ns1 2 5 2042 pm_nl_set_limits $ns2 1 5 2043 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2044 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow 2045 chk_join_nr "fullmesh test 1x2" 5 5 5 2046 chk_add_nr 1 1 2047 2048 # fullmesh 4 2049 # 1 non-fullmesh addr in ns1, added before the connection, 2050 # 2 fullmesh addrs in ns2, added during the connection, 2051 # limit max_subflows to 4. 2052 reset 2053 pm_nl_set_limits $ns1 2 4 2054 pm_nl_set_limits $ns2 1 4 2055 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal 2056 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow 2057 chk_join_nr "fullmesh test 1x2, limited" 4 4 4 2058 chk_add_nr 1 1 2059 2060 # set fullmesh flag 2061 reset 2062 pm_nl_set_limits $ns1 4 4 2063 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow 2064 pm_nl_set_limits $ns2 4 4 2065 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh 2066 chk_join_nr "set fullmesh flag test" 2 2 2 2067 chk_rm_nr 0 1 2068 2069 # set nofullmesh flag 2070 reset 2071 pm_nl_set_limits $ns1 4 4 2072 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh 2073 pm_nl_set_limits $ns2 4 4 2074 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh 2075 chk_join_nr "set nofullmesh flag test" 2 2 2 2076 chk_rm_nr 0 1 2077 2078 # set backup,fullmesh flags 2079 reset 2080 pm_nl_set_limits $ns1 4 4 2081 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow 2082 pm_nl_set_limits $ns2 4 4 2083 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh 2084 chk_join_nr "set backup,fullmesh flags test" 2 2 2 2085 chk_prio_nr 0 1 2086 chk_rm_nr 0 1 2087 2088 # set nobackup,nofullmesh flags 2089 reset 2090 pm_nl_set_limits $ns1 4 4 2091 pm_nl_set_limits $ns2 4 4 2092 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh 2093 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh 2094 chk_join_nr "set nobackup,nofullmesh flags test" 2 2 2 2095 chk_prio_nr 0 1 2096 chk_rm_nr 0 1 2097} 2098 2099all_tests() 2100{ 2101 subflows_tests 2102 subflows_error_tests 2103 signal_address_tests 2104 link_failure_tests 2105 add_addr_timeout_tests 2106 remove_tests 2107 add_tests 2108 ipv6_tests 2109 v4mapped_tests 2110 backup_tests 2111 add_addr_ports_tests 2112 syncookies_tests 2113 checksum_tests 2114 deny_join_id0_tests 2115 fullmesh_tests 2116} 2117 2118# [$1: error message] 2119usage() 2120{ 2121 if [ -n "${1}" ]; then 2122 echo "${1}" 2123 ret=1 2124 fi 2125 2126 echo "mptcp_join usage:" 2127 echo " -f subflows_tests" 2128 echo " -e subflows_error_tests" 2129 echo " -s signal_address_tests" 2130 echo " -l link_failure_tests" 2131 echo " -t add_addr_timeout_tests" 2132 echo " -r remove_tests" 2133 echo " -a add_tests" 2134 echo " -6 ipv6_tests" 2135 echo " -4 v4mapped_tests" 2136 echo " -b backup_tests" 2137 echo " -p add_addr_ports_tests" 2138 echo " -k syncookies_tests" 2139 echo " -S checksum_tests" 2140 echo " -d deny_join_id0_tests" 2141 echo " -m fullmesh_tests" 2142 echo " -c capture pcap files" 2143 echo " -C enable data checksum" 2144 echo " -i use ip mptcp" 2145 echo " -h help" 2146 2147 exit ${ret} 2148} 2149 2150for arg in "$@"; do 2151 # check for "capture/checksum" args before launching tests 2152 if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"c"[0-9a-zA-Z]*$ ]]; then 2153 capture=1 2154 fi 2155 if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"C"[0-9a-zA-Z]*$ ]]; then 2156 checksum=1 2157 fi 2158 if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"i"[0-9a-zA-Z]*$ ]]; then 2159 ip_mptcp=1 2160 fi 2161 2162 # exception for the capture/checksum/ip_mptcp options, the rest means: a part of the tests 2163 if [ "${arg}" != "-c" ] && [ "${arg}" != "-C" ] && [ "${arg}" != "-i" ]; then 2164 do_all_tests=0 2165 fi 2166done 2167 2168if [ $do_all_tests -eq 1 ]; then 2169 all_tests 2170 exit $ret 2171fi 2172 2173while getopts 'fesltra64bpkdmchCSi' opt; do 2174 case $opt in 2175 f) 2176 subflows_tests 2177 ;; 2178 e) 2179 subflows_error_tests 2180 ;; 2181 s) 2182 signal_address_tests 2183 ;; 2184 l) 2185 link_failure_tests 2186 ;; 2187 t) 2188 add_addr_timeout_tests 2189 ;; 2190 r) 2191 remove_tests 2192 ;; 2193 a) 2194 add_tests 2195 ;; 2196 6) 2197 ipv6_tests 2198 ;; 2199 4) 2200 v4mapped_tests 2201 ;; 2202 b) 2203 backup_tests 2204 ;; 2205 p) 2206 add_addr_ports_tests 2207 ;; 2208 k) 2209 syncookies_tests 2210 ;; 2211 S) 2212 checksum_tests 2213 ;; 2214 d) 2215 deny_join_id0_tests 2216 ;; 2217 m) 2218 fullmesh_tests 2219 ;; 2220 c) 2221 ;; 2222 C) 2223 ;; 2224 i) 2225 ;; 2226 h) 2227 usage 2228 ;; 2229 *) 2230 usage "Unknown option: -${opt}" 2231 ;; 2232 esac 2233done 2234 2235exit $ret 2236