1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4time_start=$(date +%s) 5 6optstring="S:R:d:e:l:r:h4cm:f:tC" 7ret=0 8sin="" 9sout="" 10cin="" 11cout="" 12ksft_skip=4 13capture=false 14timeout_poll=30 15timeout_test=$((timeout_poll * 2 + 1)) 16ipv6=true 17ethtool_random_on=true 18tc_delay="$((RANDOM%50))" 19tc_loss=$((RANDOM%101)) 20testmode="" 21sndbuf=0 22rcvbuf=0 23options_log=true 24do_tcp=0 25checksum=false 26filesize=0 27 28if [ $tc_loss -eq 100 ];then 29 tc_loss=1% 30elif [ $tc_loss -ge 10 ]; then 31 tc_loss=0.$tc_loss% 32elif [ $tc_loss -ge 1 ]; then 33 tc_loss=0.0$tc_loss% 34else 35 tc_loss="" 36fi 37 38usage() { 39 echo "Usage: $0 [ -a ]" 40 echo -e "\t-d: tc/netem delay in milliseconds, e.g. \"-d 10\" (default random)" 41 echo -e "\t-l: tc/netem loss percentage, e.g. \"-l 0.02\" (default random)" 42 echo -e "\t-r: tc/netem reorder mode, e.g. \"-r 25% 50% gap 5\", use "-r 0" to disable reordering (default random)" 43 echo -e "\t-e: ethtool features to disable, e.g.: \"-e tso -e gso\" (default: randomly disable any of tso/gso/gro)" 44 echo -e "\t-4: IPv4 only: disable IPv6 tests (default: test both IPv4 and IPv6)" 45 echo -e "\t-c: capture packets for each test using tcpdump (default: no capture)" 46 echo -e "\t-f: size of file to transfer in bytes (default random)" 47 echo -e "\t-S: set sndbuf value (default: use kernel default)" 48 echo -e "\t-R: set rcvbuf value (default: use kernel default)" 49 echo -e "\t-m: test mode (poll, sendfile; default: poll)" 50 echo -e "\t-t: also run tests with TCP (use twice to non-fallback tcp)" 51 echo -e "\t-C: enable the MPTCP data checksum" 52} 53 54while getopts "$optstring" option;do 55 case "$option" in 56 "h") 57 usage $0 58 exit 0 59 ;; 60 "d") 61 if [ $OPTARG -ge 0 ];then 62 tc_delay="$OPTARG" 63 else 64 echo "-d requires numeric argument, got \"$OPTARG\"" 1>&2 65 exit 1 66 fi 67 ;; 68 "e") 69 ethtool_args="$ethtool_args $OPTARG off" 70 ethtool_random_on=false 71 ;; 72 "l") 73 tc_loss="$OPTARG" 74 ;; 75 "r") 76 tc_reorder="$OPTARG" 77 ;; 78 "4") 79 ipv6=false 80 ;; 81 "c") 82 capture=true 83 ;; 84 "S") 85 if [ $OPTARG -ge 0 ];then 86 sndbuf="$OPTARG" 87 else 88 echo "-S requires numeric argument, got \"$OPTARG\"" 1>&2 89 exit 1 90 fi 91 ;; 92 "R") 93 if [ $OPTARG -ge 0 ];then 94 rcvbuf="$OPTARG" 95 else 96 echo "-R requires numeric argument, got \"$OPTARG\"" 1>&2 97 exit 1 98 fi 99 ;; 100 "m") 101 testmode="$OPTARG" 102 ;; 103 "f") 104 filesize="$OPTARG" 105 ;; 106 "t") 107 do_tcp=$((do_tcp+1)) 108 ;; 109 "C") 110 checksum=true 111 ;; 112 "?") 113 usage $0 114 exit 1 115 ;; 116 esac 117done 118 119sec=$(date +%s) 120rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) 121ns1="ns1-$rndh" 122ns2="ns2-$rndh" 123ns3="ns3-$rndh" 124ns4="ns4-$rndh" 125 126TEST_COUNT=0 127 128cleanup() 129{ 130 rm -f "$cin" "$cout" 131 rm -f "$sin" "$sout" 132 rm -f "$capout" 133 134 local netns 135 for netns in "$ns1" "$ns2" "$ns3" "$ns4";do 136 ip netns del $netns 137 rm -f /tmp/$netns.{nstat,out} 138 done 139} 140 141ip -Version > /dev/null 2>&1 142if [ $? -ne 0 ];then 143 echo "SKIP: Could not run test without ip tool" 144 exit $ksft_skip 145fi 146 147sin=$(mktemp) 148sout=$(mktemp) 149cin=$(mktemp) 150cout=$(mktemp) 151capout=$(mktemp) 152trap cleanup EXIT 153 154for i in "$ns1" "$ns2" "$ns3" "$ns4";do 155 ip netns add $i || exit $ksft_skip 156 ip -net $i link set lo up 157done 158 159# "$ns1" ns2 ns3 ns4 160# ns1eth2 ns2eth1 ns2eth3 ns3eth2 ns3eth4 ns4eth3 161# - drop 1% -> reorder 25% 162# <- TSO off - 163 164ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 165ip link add ns2eth3 netns "$ns2" type veth peer name ns3eth2 netns "$ns3" 166ip link add ns3eth4 netns "$ns3" type veth peer name ns4eth3 netns "$ns4" 167 168ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 169ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 170 171ip -net "$ns1" link set ns1eth2 up 172ip -net "$ns1" route add default via 10.0.1.2 173ip -net "$ns1" route add default via dead:beef:1::2 174 175ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 176ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 177ip -net "$ns2" link set ns2eth1 up 178 179ip -net "$ns2" addr add 10.0.2.1/24 dev ns2eth3 180ip -net "$ns2" addr add dead:beef:2::1/64 dev ns2eth3 nodad 181ip -net "$ns2" link set ns2eth3 up 182ip -net "$ns2" route add default via 10.0.2.2 183ip -net "$ns2" route add default via dead:beef:2::2 184ip netns exec "$ns2" sysctl -q net.ipv4.ip_forward=1 185ip netns exec "$ns2" sysctl -q net.ipv6.conf.all.forwarding=1 186 187ip -net "$ns3" addr add 10.0.2.2/24 dev ns3eth2 188ip -net "$ns3" addr add dead:beef:2::2/64 dev ns3eth2 nodad 189ip -net "$ns3" link set ns3eth2 up 190 191ip -net "$ns3" addr add 10.0.3.2/24 dev ns3eth4 192ip -net "$ns3" addr add dead:beef:3::2/64 dev ns3eth4 nodad 193ip -net "$ns3" link set ns3eth4 up 194ip -net "$ns3" route add default via 10.0.2.1 195ip -net "$ns3" route add default via dead:beef:2::1 196ip netns exec "$ns3" sysctl -q net.ipv4.ip_forward=1 197ip netns exec "$ns3" sysctl -q net.ipv6.conf.all.forwarding=1 198 199ip -net "$ns4" addr add 10.0.3.1/24 dev ns4eth3 200ip -net "$ns4" addr add dead:beef:3::1/64 dev ns4eth3 nodad 201ip -net "$ns4" link set ns4eth3 up 202ip -net "$ns4" route add default via 10.0.3.2 203ip -net "$ns4" route add default via dead:beef:3::2 204 205# use TCP syn cookies, even if no flooding was detected. 206ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=2 207 208if $checksum; then 209 for i in "$ns1" "$ns2" "$ns3" "$ns4";do 210 ip netns exec $i sysctl -q net.mptcp.checksum_enabled=1 211 done 212fi 213 214set_ethtool_flags() { 215 local ns="$1" 216 local dev="$2" 217 local flags="$3" 218 219 ip netns exec $ns ethtool -K $dev $flags 2>/dev/null 220 [ $? -eq 0 ] && echo "INFO: set $ns dev $dev: ethtool -K $flags" 221} 222 223set_random_ethtool_flags() { 224 local flags="" 225 local r=$RANDOM 226 227 local pick1=$((r & 1)) 228 local pick2=$((r & 2)) 229 local pick3=$((r & 4)) 230 231 [ $pick1 -ne 0 ] && flags="tso off" 232 [ $pick2 -ne 0 ] && flags="$flags gso off" 233 [ $pick3 -ne 0 ] && flags="$flags gro off" 234 235 [ -z "$flags" ] && return 236 237 set_ethtool_flags "$1" "$2" "$flags" 238} 239 240if $ethtool_random_on;then 241 set_random_ethtool_flags "$ns3" ns3eth2 242 set_random_ethtool_flags "$ns4" ns4eth3 243else 244 set_ethtool_flags "$ns3" ns3eth2 "$ethtool_args" 245 set_ethtool_flags "$ns4" ns4eth3 "$ethtool_args" 246fi 247 248print_file_err() 249{ 250 ls -l "$1" 1>&2 251 echo "Trailing bytes are: " 252 tail -c 27 "$1" 253} 254 255check_transfer() 256{ 257 local in=$1 258 local out=$2 259 local what=$3 260 261 cmp "$in" "$out" > /dev/null 2>&1 262 if [ $? -ne 0 ] ;then 263 echo "[ FAIL ] $what does not match (in, out):" 264 print_file_err "$in" 265 print_file_err "$out" 266 267 return 1 268 fi 269 270 return 0 271} 272 273check_mptcp_disabled() 274{ 275 local disabled_ns 276 disabled_ns="ns_disabled-$sech-$(mktemp -u XXXXXX)" 277 ip netns add ${disabled_ns} || exit $ksft_skip 278 279 # net.mptcp.enabled should be enabled by default 280 if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ print $3 }')" -ne 1 ]; then 281 echo -e "net.mptcp.enabled sysctl is not 1 by default\t\t[ FAIL ]" 282 ret=1 283 return 1 284 fi 285 ip netns exec ${disabled_ns} sysctl -q net.mptcp.enabled=0 286 287 local err=0 288 LC_ALL=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \ 289 grep -q "^socket: Protocol not available$" && err=1 290 ip netns delete ${disabled_ns} 291 292 if [ ${err} -eq 0 ]; then 293 echo -e "New MPTCP socket cannot be blocked via sysctl\t\t[ FAIL ]" 294 ret=1 295 return 1 296 fi 297 298 echo -e "New MPTCP socket can be blocked via sysctl\t\t[ OK ]" 299 return 0 300} 301 302check_mptcp_ulp_setsockopt() 303{ 304 local t retval 305 t="ns_ulp-$sech-$(mktemp -u XXXXXX)" 306 307 ip netns add ${t} || exit $ksft_skip 308 if ! ip netns exec ${t} ./mptcp_connect -u -p 10000 -s TCP 127.0.0.1 2>&1; then 309 printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) allowed\t[ FAIL ]\n" 310 retval=1 311 ret=$retval 312 else 313 printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) blocked\t[ OK ]\n" 314 retval=0 315 fi 316 ip netns del ${t} 317 return $retval 318} 319 320# $1: IP address 321is_v6() 322{ 323 [ -z "${1##*:*}" ] 324} 325 326do_ping() 327{ 328 local listener_ns="$1" 329 local connector_ns="$2" 330 local connect_addr="$3" 331 local ping_args="-q -c 1" 332 333 if is_v6 "${connect_addr}"; then 334 $ipv6 || return 0 335 ping_args="${ping_args} -6" 336 fi 337 338 ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null 339 if [ $? -ne 0 ] ; then 340 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2 341 ret=1 342 343 return 1 344 fi 345 346 return 0 347} 348 349# $1: ns, $2: MIB counter 350get_mib_counter() 351{ 352 local listener_ns="${1}" 353 local mib="${2}" 354 355 # strip the header 356 ip netns exec "${listener_ns}" \ 357 nstat -z -a "${mib}" | \ 358 tail -n+2 | \ 359 while read a count c rest; do 360 echo $count 361 done 362} 363 364# $1: ns, $2: port 365wait_local_port_listen() 366{ 367 local listener_ns="${1}" 368 local port="${2}" 369 370 local port_hex i 371 372 port_hex="$(printf "%04X" "${port}")" 373 for i in $(seq 10); do 374 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \ 375 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" && 376 break 377 sleep 0.1 378 done 379} 380 381do_transfer() 382{ 383 local listener_ns="$1" 384 local connector_ns="$2" 385 local cl_proto="$3" 386 local srv_proto="$4" 387 local connect_addr="$5" 388 local local_addr="$6" 389 local extra_args="$7" 390 391 local port 392 port=$((10000+$TEST_COUNT)) 393 TEST_COUNT=$((TEST_COUNT+1)) 394 395 if [ "$rcvbuf" -gt 0 ]; then 396 extra_args="$extra_args -R $rcvbuf" 397 fi 398 399 if [ "$sndbuf" -gt 0 ]; then 400 extra_args="$extra_args -S $sndbuf" 401 fi 402 403 if [ -n "$testmode" ]; then 404 extra_args="$extra_args -m $testmode" 405 fi 406 407 if [ -n "$extra_args" ] && $options_log; then 408 echo "INFO: extra options: $extra_args" 409 fi 410 options_log=false 411 412 :> "$cout" 413 :> "$sout" 414 :> "$capout" 415 416 local addr_port 417 addr_port=$(printf "%s:%d" ${connect_addr} ${port}) 418 printf "%.3s %-5s -> %.3s (%-20s) %-5s\t" ${connector_ns} ${cl_proto} ${listener_ns} ${addr_port} ${srv_proto} 419 420 if $capture; then 421 local capuser 422 if [ -z $SUDO_USER ] ; then 423 capuser="" 424 else 425 capuser="-Z $SUDO_USER" 426 fi 427 428 local capfile="${rndh}-${connector_ns:0:3}-${listener_ns:0:3}-${cl_proto}-${srv_proto}-${connect_addr}-${port}" 429 local capopt="-i any -s 65535 -B 32768 ${capuser}" 430 431 ip netns exec ${listener_ns} tcpdump ${capopt} -w "${capfile}-listener.pcap" >> "${capout}" 2>&1 & 432 local cappid_listener=$! 433 434 ip netns exec ${connector_ns} tcpdump ${capopt} -w "${capfile}-connector.pcap" >> "${capout}" 2>&1 & 435 local cappid_connector=$! 436 437 sleep 1 438 fi 439 440 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 441 nstat -n 442 if [ ${listener_ns} != ${connector_ns} ]; then 443 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 444 nstat -n 445 fi 446 447 local stat_synrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX") 448 local stat_ackrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX") 449 local stat_cookietx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent") 450 local stat_cookierx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv") 451 452 timeout ${timeout_test} \ 453 ip netns exec ${listener_ns} \ 454 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ 455 $extra_args $local_addr < "$sin" > "$sout" & 456 local spid=$! 457 458 wait_local_port_listen "${listener_ns}" "${port}" 459 460 local start 461 start=$(date +%s%3N) 462 timeout ${timeout_test} \ 463 ip netns exec ${connector_ns} \ 464 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ 465 $extra_args $connect_addr < "$cin" > "$cout" & 466 local cpid=$! 467 468 wait $cpid 469 local retc=$? 470 wait $spid 471 local rets=$? 472 473 local stop 474 stop=$(date +%s%3N) 475 476 if $capture; then 477 sleep 1 478 kill ${cappid_listener} 479 kill ${cappid_connector} 480 fi 481 482 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ 483 nstat | grep Tcp > /tmp/${listener_ns}.out 484 if [ ${listener_ns} != ${connector_ns} ]; then 485 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ 486 nstat | grep Tcp > /tmp/${connector_ns}.out 487 fi 488 489 local duration 490 duration=$((stop-start)) 491 printf "(duration %05sms) " "${duration}" 492 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then 493 echo "[ FAIL ] client exit code $retc, server $rets" 1>&2 494 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2 495 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port" 496 cat /tmp/${listener_ns}.out 497 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2 498 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port" 499 [ ${listener_ns} != ${connector_ns} ] && cat /tmp/${connector_ns}.out 500 501 echo 502 cat "$capout" 503 return 1 504 fi 505 506 check_transfer $sin $cout "file received by client" 507 retc=$? 508 check_transfer $cin $sout "file received by server" 509 rets=$? 510 511 local stat_synrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX") 512 local stat_ackrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX") 513 local stat_cookietx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent") 514 local stat_cookierx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv") 515 local stat_ooo_now=$(get_mib_counter "${listener_ns}" "TcpExtTCPOFOQueue") 516 517 expect_synrx=$((stat_synrx_last_l)) 518 expect_ackrx=$((stat_ackrx_last_l)) 519 520 cookies=$(ip netns exec ${listener_ns} sysctl net.ipv4.tcp_syncookies) 521 cookies=${cookies##*=} 522 523 if [ ${cl_proto} = "MPTCP" ] && [ ${srv_proto} = "MPTCP" ]; then 524 expect_synrx=$((stat_synrx_last_l+1)) 525 expect_ackrx=$((stat_ackrx_last_l+1)) 526 fi 527 528 if [ ${stat_synrx_now_l} -lt ${expect_synrx} ]; then 529 printf "[ FAIL ] lower MPC SYN rx (%d) than expected (%d)\n" \ 530 "${stat_synrx_now_l}" "${expect_synrx}" 1>&2 531 retc=1 532 fi 533 if [ ${stat_ackrx_now_l} -lt ${expect_ackrx} -a ${stat_ooo_now} -eq 0 ]; then 534 if [ ${stat_ooo_now} -eq 0 ]; then 535 printf "[ FAIL ] lower MPC ACK rx (%d) than expected (%d)\n" \ 536 "${stat_ackrx_now_l}" "${expect_ackrx}" 1>&2 537 rets=1 538 else 539 printf "[ Note ] fallback due to TCP OoO" 540 fi 541 fi 542 543 if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then 544 printf "[ OK ]" 545 fi 546 547 if [ $cookies -eq 2 ];then 548 if [ $stat_cookietx_last -ge $stat_cookietx_now ] ;then 549 printf " WARN: CookieSent: did not advance" 550 fi 551 if [ $stat_cookierx_last -ge $stat_cookierx_now ] ;then 552 printf " WARN: CookieRecv: did not advance" 553 fi 554 else 555 if [ $stat_cookietx_last -ne $stat_cookietx_now ] ;then 556 printf " WARN: CookieSent: changed" 557 fi 558 if [ $stat_cookierx_last -ne $stat_cookierx_now ] ;then 559 printf " WARN: CookieRecv: changed" 560 fi 561 fi 562 563 if [ ${stat_synrx_now_l} -gt ${expect_synrx} ]; then 564 printf " WARN: SYNRX: expect %d, got %d (probably retransmissions)" \ 565 "${expect_synrx}" "${stat_synrx_now_l}" 566 fi 567 if [ ${stat_ackrx_now_l} -gt ${expect_ackrx} ]; then 568 printf " WARN: ACKRX: expect %d, got %d (probably retransmissions)" \ 569 "${expect_ackrx}" "${stat_ackrx_now_l}" 570 fi 571 572 echo 573 cat "$capout" 574 [ $retc -eq 0 ] && [ $rets -eq 0 ] 575} 576 577make_file() 578{ 579 local name=$1 580 local who=$2 581 local SIZE=$filesize 582 local ksize 583 local rem 584 585 if [ $SIZE -eq 0 ]; then 586 local MAXSIZE=$((1024 * 1024 * 8)) 587 local MINSIZE=$((1024 * 256)) 588 589 SIZE=$(((RANDOM * RANDOM + MINSIZE) % MAXSIZE)) 590 fi 591 592 ksize=$((SIZE / 1024)) 593 rem=$((SIZE - (ksize * 1024))) 594 595 dd if=/dev/urandom of="$name" bs=1024 count=$ksize 2> /dev/null 596 dd if=/dev/urandom conv=notrunc of="$name" bs=1 count=$rem 2> /dev/null 597 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 598 599 echo "Created $name (size $(du -b "$name")) containing data sent by $who" 600} 601 602run_tests_lo() 603{ 604 local listener_ns="$1" 605 local connector_ns="$2" 606 local connect_addr="$3" 607 local loopback="$4" 608 local extra_args="$5" 609 local lret=0 610 611 # skip if test programs are running inside same netns for subsequent runs. 612 if [ $loopback -eq 0 ] && [ ${listener_ns} = ${connector_ns} ]; then 613 return 0 614 fi 615 616 # skip if we don't want v6 617 if ! $ipv6 && is_v6 "${connect_addr}"; then 618 return 0 619 fi 620 621 local local_addr 622 if is_v6 "${connect_addr}"; then 623 local_addr="::" 624 else 625 local_addr="0.0.0.0" 626 fi 627 628 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \ 629 ${connect_addr} ${local_addr} "${extra_args}" 630 lret=$? 631 if [ $lret -ne 0 ]; then 632 ret=$lret 633 return 1 634 fi 635 636 if [ $do_tcp -eq 0 ]; then 637 # don't bother testing fallback tcp except for loopback case. 638 if [ ${listener_ns} != ${connector_ns} ]; then 639 return 0 640 fi 641 fi 642 643 do_transfer ${listener_ns} ${connector_ns} MPTCP TCP \ 644 ${connect_addr} ${local_addr} "${extra_args}" 645 lret=$? 646 if [ $lret -ne 0 ]; then 647 ret=$lret 648 return 1 649 fi 650 651 do_transfer ${listener_ns} ${connector_ns} TCP MPTCP \ 652 ${connect_addr} ${local_addr} "${extra_args}" 653 lret=$? 654 if [ $lret -ne 0 ]; then 655 ret=$lret 656 return 1 657 fi 658 659 if [ $do_tcp -gt 1 ] ;then 660 do_transfer ${listener_ns} ${connector_ns} TCP TCP \ 661 ${connect_addr} ${local_addr} "${extra_args}" 662 lret=$? 663 if [ $lret -ne 0 ]; then 664 ret=$lret 665 return 1 666 fi 667 fi 668 669 return 0 670} 671 672run_tests() 673{ 674 run_tests_lo $1 $2 $3 0 675} 676 677run_tests_peekmode() 678{ 679 local peekmode="$1" 680 681 echo "INFO: with peek mode: ${peekmode}" 682 run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-P ${peekmode}" 683 run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-P ${peekmode}" 684} 685 686make_file "$cin" "client" 687make_file "$sin" "server" 688 689check_mptcp_disabled 690 691check_mptcp_ulp_setsockopt 692 693echo "INFO: validating network environment with pings" 694for sender in "$ns1" "$ns2" "$ns3" "$ns4";do 695 do_ping "$ns1" $sender 10.0.1.1 696 do_ping "$ns1" $sender dead:beef:1::1 697 698 do_ping "$ns2" $sender 10.0.1.2 699 do_ping "$ns2" $sender dead:beef:1::2 700 do_ping "$ns2" $sender 10.0.2.1 701 do_ping "$ns2" $sender dead:beef:2::1 702 703 do_ping "$ns3" $sender 10.0.2.2 704 do_ping "$ns3" $sender dead:beef:2::2 705 do_ping "$ns3" $sender 10.0.3.2 706 do_ping "$ns3" $sender dead:beef:3::2 707 708 do_ping "$ns4" $sender 10.0.3.1 709 do_ping "$ns4" $sender dead:beef:3::1 710done 711 712[ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss delay ${tc_delay}ms 713echo -n "INFO: Using loss of $tc_loss " 714test "$tc_delay" -gt 0 && echo -n "delay $tc_delay ms " 715 716reorder_delay=$(($tc_delay / 4)) 717 718if [ -z "${tc_reorder}" ]; then 719 reorder1=$((RANDOM%10)) 720 reorder1=$((100 - reorder1)) 721 reorder2=$((RANDOM%100)) 722 723 if [ $reorder_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then 724 tc_reorder="reorder ${reorder1}% ${reorder2}%" 725 echo -n "$tc_reorder with delay ${reorder_delay}ms " 726 fi 727elif [ "$tc_reorder" = "0" ];then 728 tc_reorder="" 729elif [ "$reorder_delay" -gt 0 ];then 730 # reordering requires some delay 731 tc_reorder="reorder $tc_reorder" 732 echo -n "$tc_reorder with delay ${reorder_delay}ms " 733fi 734 735echo "on ns3eth4" 736 737tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${reorder_delay}ms $tc_reorder 738 739for sender in $ns1 $ns2 $ns3 $ns4;do 740 run_tests_lo "$ns1" "$sender" 10.0.1.1 1 741 if [ $ret -ne 0 ] ;then 742 echo "FAIL: Could not even run loopback test" 1>&2 743 exit $ret 744 fi 745 run_tests_lo "$ns1" $sender dead:beef:1::1 1 746 if [ $ret -ne 0 ] ;then 747 echo "FAIL: Could not even run loopback v6 test" 2>&1 748 exit $ret 749 fi 750 751 run_tests "$ns2" $sender 10.0.1.2 752 run_tests "$ns2" $sender dead:beef:1::2 753 run_tests "$ns2" $sender 10.0.2.1 754 run_tests "$ns2" $sender dead:beef:2::1 755 756 run_tests "$ns3" $sender 10.0.2.2 757 run_tests "$ns3" $sender dead:beef:2::2 758 run_tests "$ns3" $sender 10.0.3.2 759 run_tests "$ns3" $sender dead:beef:3::2 760 761 run_tests "$ns4" $sender 10.0.3.1 762 run_tests "$ns4" $sender dead:beef:3::1 763done 764 765run_tests_peekmode "saveWithPeek" 766run_tests_peekmode "saveAfterPeek" 767 768time_end=$(date +%s) 769time_run=$((time_end-time_start)) 770 771echo "Time: ${time_run} seconds" 772 773exit $ret 774