2 # SPDX-License-Identifier: GPL-2.0
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
9 # ShellCheck incorrectly believes that most of the code here is unreachable
10 # because it's invoked by variable name, see how the "tests" array is used
11 #shellcheck disable=SC2317
13 . "$(dirname "${0}")/mptcp_lib.sh"
29 timeout_test=$((timeout_poll * 2 + 1))
43 declare -a only_tests_ids
44 declare -a only_tests_names
45 declare -A failed_tests
50 export FAILING_LINKS=""
52 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
53 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
54 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
76 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
82 for netns in "$ns1" "$ns2"; do
83 ip netns add $netns || exit $ksft_skip
84 ip -net $netns link set lo up
85 ip netns exec $netns sysctl -q net.mptcp.enabled=1
86 ip netns exec $netns sysctl -q net.mptcp.pm_type=0
87 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
88 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
89 if [ $checksum -eq 1 ]; then
90 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
96 validate_checksum=$checksum
106 for i in $(seq 1 4); do
107 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
108 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
109 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
110 ip -net "$ns1" link set ns1eth$i up
112 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
113 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
114 ip -net "$ns2" link set ns2eth$i up
116 # let $ns2 reach any $ns1 address from any interface
117 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
118 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
125 for i in $(seq 1 4); do
126 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
127 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
136 for netns in "$ns1" "$ns2"; do
138 rm -f /tmp/$netns.{nstat,out}
144 mptcp_lib_check_mptcp
146 if ! ip -Version &> /dev/null; then
147 echo "SKIP: Could not run test without ip tool"
151 if ! iptables -V &> /dev/null; then
152 echo "SKIP: Could not run all tests without iptables tool"
156 if ! ip6tables -V &> /dev/null; then
157 echo "SKIP: Could not run all tests without ip6tables tool"
177 make_file "$cin" "client" 1
178 make_file "$sin" "server" 1
183 rm -f "$cin" "$cout" "$sinfail"
184 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
186 rm -rf $evts_ns1 $evts_ns2
192 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
197 for i in "${only_tests_ids[@]}"; do
198 if [ "${TEST_COUNT}" -eq "${i}" ]; then
202 for i in "${only_tests_names[@]}"; do
203 if [ "${TEST_NAME}" = "${i}" ]; then
216 TEST_COUNT=$((TEST_COUNT+1))
222 if [ "${init}" != "1" ]; then
236 reset "${1}" || return 1
239 for netns in "$ns1" "$ns2"; do
240 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
245 reset_with_add_addr_timeout()
250 reset "${1}" || return 1
253 if [ $ip -eq 6 ]; then
257 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
258 ip netns exec $ns2 $tables -A OUTPUT -p tcp \
259 -m tcp --tcp-option 30 \
261 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
266 reset_with_checksum()
271 reset "checksum test ${1} ${2}" || return 1
273 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
274 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
279 reset_with_allow_join_id0()
284 reset "${1}" || return 1
286 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
287 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
290 # Modify TCP payload without corrupting the TCP packet
292 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
293 # carrying enough data.
294 # Once it is done, the TCP Checksum field is updated so the packet is still
295 # considered as valid at the TCP level.
296 # Because the MPTCP checksum, covering the TCP options and data, has not been
297 # updated, the modification will be detected and an MP_FAIL will be emitted:
298 # what we want to validate here without corrupting "random" MPTCP options.
300 # To avoid having tc producing this pr_info() message for each TCP ACK packets
301 # not carrying enough data:
303 # tc action pedit offset 162 out of bounds
305 # Netfilter is used to mark packets with enough data.
308 reset "${1}" || return 1
310 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
311 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
320 if [ $ip -eq 6 ]; then
324 ip netns exec $ns2 $tables \
329 -m length --length 150:9999 \
330 -m statistic --mode nth --packet 1 --every 99999 \
331 -j MARK --set-mark 42 || exit 1
333 tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1
334 tc -n $ns2 filter add dev ns2eth$i egress \
335 protocol ip prio 1000 \
337 action pedit munge offset 148 u8 invert \
344 reset "${1}" || return 1
348 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
350 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
357 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
359 [ "${stats_dumped}" = 0 ] && dump_stats
363 get_failed_tests_ids()
367 for i in "${!failed_tests[@]}"; do
375 echo "Trailing bytes are: "
388 if [ -n "$bytes" ]; then
390 # when truncating we must check the size explicitly
391 out_size=$(wc -c $out | awk '{print $1}')
392 if [ $out_size -ne $bytes ]; then
393 echo "[ FAIL ] $what output file has wrong size ($out_size, $bytes)"
398 # note: BusyBox's "cmp" command doesn't support --bytes
400 head --bytes="$bytes" "$in" > "$tmpfile"
402 head --bytes="$bytes" "$out" > "$tmpfile"
406 cmp -l "$in" "$out" | while read -r i a b; do
407 local sum=$((0${a} + 0${b}))
408 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
409 echo "[ FAIL ] $what does not match (in, out):"
411 print_file_err "$out"
416 echo "$what has inverted byte at ${i}"
425 local listener_ns="$1"
426 local connector_ns="$2"
427 local connect_addr="$3"
429 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
430 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
439 if [ -z "$FAILING_LINKS" ]; then
441 FAILING_LINKS=$((l+1))
445 for l in $FAILING_LINKS; do
446 local veth="ns1eth$l"
447 ip -net "$ns" link set "$veth" down
458 wait_local_port_listen()
460 local listener_ns="${1}"
464 port_hex="$(printf "%04X" "${port}")"
467 for i in $(seq 10); do
468 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
469 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
479 ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'
482 # $1: ns, $2: old rm_addr counter in $ns
490 for i in $(seq 10); do
491 cnt=$(rm_addr_count ${ns})
492 [ "$cnt" = "${old_cnt}" ] || break
502 old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
505 for i in $(seq 10); do
506 cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
507 [ "$cnt" = "${old_cnt}" ] || break
514 kill $1 > /dev/null 2>&1
520 kill_wait $evts_ns1_pid
521 kill_wait $evts_ns2_pid
526 #shellcheck disable=SC2046
527 kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1)
537 if [ $ip_mptcp -eq 1 ]; then
538 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
540 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
557 if [ $p = "flags" ]; then
559 [ -n "$_flags" ]; flags="flags $_flags"
561 if [ $p = "dev" ]; then
563 [ -n "$_dev" ]; dev="dev $_dev"
565 if [ $p = "id" ]; then
567 [ -n "$_id" ]; id="id $_id"
569 if [ $p = "port" ]; then
571 [ -n "$_port" ]; port="port $_port"
577 if [ $ip_mptcp -eq 1 ]; then
578 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
580 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
590 if [ $ip_mptcp -eq 1 ]; then
591 ip -n $ns mptcp endpoint delete id $id $addr
593 ip netns exec $ns ./pm_nl_ctl del $id $addr
597 pm_nl_flush_endpoint()
601 if [ $ip_mptcp -eq 1 ]; then
602 ip -n $ns mptcp endpoint flush
604 ip netns exec $ns ./pm_nl_ctl flush
608 pm_nl_show_endpoints()
612 if [ $ip_mptcp -eq 1 ]; then
613 ip -n $ns mptcp endpoint show
615 ip netns exec $ns ./pm_nl_ctl dump
619 pm_nl_change_endpoint()
625 if [ $ip_mptcp -eq 1 ]; then
626 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
628 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
632 pm_nl_check_endpoint()
634 local line expected_line
647 if [ "${need_title}" = 1 ]; then
648 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
650 printf "%-${nr_blank}s %s" " " "${msg}"
654 while [ -n "$1" ]; do
655 if [ $1 = "flags" ]; then
657 [ -n "$_flags" ]; flags="flags $_flags"
659 elif [ $1 = "dev" ]; then
660 [ -n "$2" ]; dev="dev $1"
662 elif [ $1 = "id" ]; then
664 [ -n "$_id" ]; id="id $_id"
666 elif [ $1 = "port" ]; then
668 [ -n "$_port" ]; port=" port $_port"
675 if [ -z "$id" ]; then
676 echo "[skip] bad test - missing endpoint id"
680 if [ $ip_mptcp -eq 1 ]; then
681 line=$(ip -n $ns mptcp endpoint show $id)
682 # the dump order is: address id flags port dev
683 expected_line="$addr"
684 [ -n "$addr" ] && expected_line="$expected_line $addr"
685 expected_line="$expected_line $id"
686 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
687 [ -n "$dev" ] && expected_line="$expected_line $dev"
688 [ -n "$port" ] && expected_line="$expected_line $port"
690 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
691 # the dump order is: id flags dev address port
693 [ -n "$flags" ] && expected_line="$expected_line $flags"
694 [ -n "$dev" ] && expected_line="$expected_line $dev"
695 [ -n "$addr" ] && expected_line="$expected_line $addr"
696 [ -n "$_port" ] && expected_line="$expected_line $_port"
698 if [ "$line" = "$expected_line" ]; then
701 echo "[fail] expected '$expected_line' found '$line'"
712 ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
717 local listener_ns="$1"
718 local connector_ns="$2"
721 local connect_addr="$5"
722 local test_link_fail="$6"
723 local addr_nr_ns1="$7"
724 local addr_nr_ns2="$8"
728 local port=$((10000 + TEST_COUNT - 1))
736 if [ $capture -eq 1 ]; then
738 if [ -z $SUDO_USER ] ; then
741 capuser="-Z $SUDO_USER"
744 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
746 echo "Capturing traffic for test $TEST_COUNT into $capfile"
747 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
753 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
755 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
759 if [ $speed = "fast" ]; then
761 elif [ $speed = "slow" ]; then
763 elif [[ $speed = "speed_"* ]]; then
764 extra_args="-r ${speed:6}"
767 if [[ "${addr_nr_ns1}" = "userspace_"* ]]; then
769 addr_nr_ns1=${addr_nr_ns1:10}
772 local flags="subflow"
773 local extra_cl_args=""
774 local extra_srv_args=""
776 if [[ "${addr_nr_ns2}" = "fastclose_"* ]]; then
777 if [ ${test_link_fail} -le 1 ]; then
778 echo "fastclose tests need test_link_fail argument"
784 trunc_size=${test_link_fail}
785 local side=${addr_nr_ns2:10}
787 if [ ${side} = "client" ]; then
788 extra_cl_args="-f ${test_link_fail}"
789 extra_srv_args="-f -1"
790 elif [ ${side} = "server" ]; then
791 extra_srv_args="-f ${test_link_fail}"
792 extra_cl_args="-f -1"
794 echo "wrong/unknown fastclose spec ${side}"
799 elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then
801 addr_nr_ns2=${addr_nr_ns2:10}
802 elif [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then
803 flags="${flags},fullmesh"
804 addr_nr_ns2=${addr_nr_ns2:9}
807 extra_srv_args="$extra_args $extra_srv_args"
808 if [ "$test_link_fail" -gt 1 ];then
809 timeout ${timeout_test} \
810 ip netns exec ${listener_ns} \
811 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
812 $extra_srv_args "::" < "$sinfail" > "$sout" &
814 timeout ${timeout_test} \
815 ip netns exec ${listener_ns} \
816 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
817 $extra_srv_args "::" < "$sin" > "$sout" &
821 wait_local_port_listen "${listener_ns}" "${port}"
823 extra_cl_args="$extra_args $extra_cl_args"
824 if [ "$test_link_fail" -eq 0 ];then
825 timeout ${timeout_test} \
826 ip netns exec ${connector_ns} \
827 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
828 $extra_cl_args $connect_addr < "$cin" > "$cout" &
829 elif [ "$test_link_fail" -eq 1 ] || [ "$test_link_fail" -eq 2 ];then
830 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
832 timeout ${timeout_test} \
833 ip netns exec ${connector_ns} \
834 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
835 $extra_cl_args $connect_addr > "$cout" &
837 tee "$cinsent" < "$cinfail" | \
838 timeout ${timeout_test} \
839 ip netns exec ${connector_ns} \
840 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
841 $extra_cl_args $connect_addr > "$cout" &
845 # let the mptcp subflow be established in background before
846 # do endpoint manipulation
847 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
851 if [ $addr_nr_ns1 -gt 0 ]; then
853 local add_nr_ns1=${addr_nr_ns1}
856 while [ $add_nr_ns1 -gt 0 ]; do
858 if is_v6 "${connect_addr}"; then
859 addr="dead:beef:$counter::1"
861 addr="10.0.$counter.1"
863 if [ $userspace_pm -eq 0 ]; then
864 pm_nl_add_endpoint $ns1 $addr flags signal
866 tk=$(grep "type:1," "$evts_ns1" |
867 sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
868 ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id
870 sp=$(grep "type:10" "$evts_ns1" |
871 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
872 da=$(grep "type:10" "$evts_ns1" |
873 sed -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
874 dp=$(grep "type:10" "$evts_ns1" |
875 sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q')
876 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id
877 ip netns exec ${listener_ns} ./pm_nl_ctl dsf lip "::ffff:$addr" \
878 lport $sp rip $da rport $dp token $tk
881 counter=$((counter + 1))
882 add_nr_ns1=$((add_nr_ns1 - 1))
885 elif [ $addr_nr_ns1 -lt 0 ]; then
886 local rm_nr_ns1=$((-addr_nr_ns1))
887 if [ $rm_nr_ns1 -lt 8 ]; then
890 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
891 # shellcheck disable=SC2206 # we do want to split per word
896 for i in "${arr[@]}"; do
897 if [ $i = "id" ]; then
898 if [ $counter -eq $rm_nr_ns1 ]; then
902 rm_addr=$(rm_addr_count ${connector_ns})
903 pm_nl_del_endpoint ${listener_ns} $id
904 wait_rm_addr ${connector_ns} ${rm_addr}
905 counter=$((counter + 1))
910 elif [ $rm_nr_ns1 -eq 8 ]; then
911 pm_nl_flush_endpoint ${listener_ns}
912 elif [ $rm_nr_ns1 -eq 9 ]; then
913 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
917 # if newly added endpoints must be deleted, give the background msk
918 # some time to created them
919 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
921 if [ $addr_nr_ns2 -gt 0 ]; then
922 local add_nr_ns2=${addr_nr_ns2}
926 while [ $add_nr_ns2 -gt 0 ]; do
928 if is_v6 "${connect_addr}"; then
929 addr="dead:beef:$counter::2"
931 addr="10.0.$counter.2"
933 if [ $userspace_pm -eq 0 ]; then
934 pm_nl_add_endpoint $ns2 $addr flags $flags
936 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
937 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
938 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
939 ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
940 rip $da rport $dp token $tk
942 sp=$(grep "type:10" "$evts_ns2" |
943 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
944 ip netns exec ${connector_ns} ./pm_nl_ctl rem token $tk id $id
945 ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
946 rip $da rport $dp token $tk
948 counter=$((counter + 1))
949 add_nr_ns2=$((add_nr_ns2 - 1))
952 elif [ $addr_nr_ns2 -lt 0 ]; then
953 local rm_nr_ns2=$((-addr_nr_ns2))
954 if [ $rm_nr_ns2 -lt 8 ]; then
957 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
958 # shellcheck disable=SC2206 # we do want to split per word
963 for i in "${arr[@]}"; do
964 if [ $i = "id" ]; then
965 if [ $counter -eq $rm_nr_ns2 ]; then
969 # rm_addr are serialized, allow the previous one to
972 rm_addr=$(rm_addr_count ${listener_ns})
973 pm_nl_del_endpoint ${connector_ns} $id
974 wait_rm_addr ${listener_ns} ${rm_addr}
975 counter=$((counter + 1))
980 elif [ $rm_nr_ns2 -eq 8 ]; then
981 pm_nl_flush_endpoint ${connector_ns}
982 elif [ $rm_nr_ns2 -eq 9 ]; then
984 if is_v6 "${connect_addr}"; then
985 addr="dead:beef:1::2"
989 pm_nl_del_endpoint ${connector_ns} 0 $addr
993 if [ -n "${sflags}" ]; then
997 for netns in "$ns1" "$ns2"; do
999 pm_nl_show_endpoints $netns | while read -r line; do
1000 # shellcheck disable=SC2206 # we do want to split per word
1006 for i in "${arr[@]}"; do
1007 if [ $i = "id" ]; then
1012 pm_nl_change_endpoint $netns $id $sflags
1022 if [ $capture -eq 1 ]; then
1027 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1028 nstat | grep Tcp > /tmp/${listener_ns}.out
1029 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1030 nstat | grep Tcp > /tmp/${connector_ns}.out
1032 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1033 echo " client exit code $retc, server $rets" 1>&2
1034 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1035 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1036 cat /tmp/${listener_ns}.out
1037 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1038 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1039 cat /tmp/${connector_ns}.out
1046 if [ "$test_link_fail" -gt 1 ];then
1047 check_transfer $sinfail $cout "file received by client" $trunc_size
1049 check_transfer $sin $cout "file received by client" $trunc_size
1052 if [ "$test_link_fail" -eq 0 ];then
1053 check_transfer $cin $sout "file received by server" $trunc_size
1055 check_transfer $cinsent $sout "file received by server" $trunc_size
1059 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1074 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
1075 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
1077 echo "Created $name (size $size KB) containing data sent by $who"
1082 local listener_ns="$1"
1083 local connector_ns="$2"
1084 local connect_addr="$3"
1085 local test_linkfail="${4:-0}"
1086 local addr_nr_ns1="${5:-0}"
1087 local addr_nr_ns2="${6:-0}"
1088 local speed="${7:-fast}"
1089 local sflags="${8:-""}"
1093 # The values above 2 are reused to make test files
1094 # with the given sizes (KB)
1095 if [ "$test_linkfail" -gt 2 ]; then
1098 if [ -z "$cinfail" ]; then
1101 make_file "$cinfail" "client" $size
1102 # create the input file for the failure test when
1103 # the first failure test run
1104 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1105 # the client file must be considerably larger
1106 # of the maximum expected cwin value, or the
1107 # link utilization will be not predicable
1111 size=$((size + ( RANDOM % 8192) ))
1114 make_file "$cinfail" "client" $size
1117 if [ "$test_linkfail" -gt 2 ]; then
1120 if [ -z "$sinfail" ]; then
1123 make_file "$sinfail" "server" $size
1124 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1130 make_file "$sinfail" "server" $size
1133 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
1134 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags}
1139 echo Server ns stats
1140 ip netns exec $ns1 nstat -as | grep Tcp
1141 echo Client ns stats
1142 ip netns exec $ns2 nstat -as | grep Tcp
1147 local csum_ns1=${1:-0}
1148 local csum_ns2=${2:-0}
1151 local allow_multi_errors_ns1=0
1152 local allow_multi_errors_ns2=0
1154 if [[ "${csum_ns1}" = "+"* ]]; then
1155 allow_multi_errors_ns1=1
1156 csum_ns1=${csum_ns1:1}
1158 if [[ "${csum_ns2}" = "+"* ]]; then
1159 allow_multi_errors_ns2=1
1160 csum_ns2=${csum_ns2:1}
1163 printf "%-${nr_blank}s %s" " " "sum"
1164 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1165 [ -z "$count" ] && count=0
1166 if [ "$count" != "$csum_ns1" ]; then
1167 extra_msg="$extra_msg ns1=$count"
1169 if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1170 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1171 echo "[fail] got $count data checksum error[s] expected $csum_ns1"
1177 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1178 [ -z "$count" ] && count=0
1179 if [ "$count" != "$csum_ns2" ]; then
1180 extra_msg="$extra_msg ns2=$count"
1182 if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1183 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1184 echo "[fail] got $count data checksum error[s] expected $csum_ns2"
1197 local ns_invert=${3:-""}
1202 local allow_tx_lost=0
1203 local allow_rx_lost=0
1205 if [[ $ns_invert = "invert" ]]; then
1211 if [[ "${fail_tx}" = "-"* ]]; then
1213 fail_tx=${fail_tx:1}
1215 if [[ "${fail_rx}" = "-"* ]]; then
1217 fail_rx=${fail_rx:1}
1220 printf "%-${nr_blank}s %s" " " "ftx"
1221 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
1222 [ -z "$count" ] && count=0
1223 if [ "$count" != "$fail_tx" ]; then
1224 extra_msg="$extra_msg,tx=$count"
1226 if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1227 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1228 echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
1235 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
1236 [ -z "$count" ] && count=0
1237 if [ "$count" != "$fail_rx" ]; then
1238 extra_msg="$extra_msg,rx=$count"
1240 if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1241 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1242 echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
1261 if [[ $ns_invert = "invert" ]]; then
1264 extra_msg=${extra_msg}"invert"
1267 printf "%-${nr_blank}s %s" " " "ctx"
1268 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
1269 [ -z "$count" ] && count=0
1270 [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
1271 if [ "$count" != "$fclose_tx" ]; then
1272 echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1279 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}')
1280 [ -z "$count" ] && count=0
1281 [ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count"
1282 if [ "$count" != "$fclose_rx" ]; then
1283 echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1296 local ns_invert=${3:-""}
1302 if [[ $ns_invert = "invert" ]]; then
1308 printf "%-${nr_blank}s %s" " " "rtx"
1309 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
1310 [ -z "$count" ] && count=0
1311 if [ $count -lt $rst_tx ]; then
1312 echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
1319 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
1320 [ -z "$count" ] && count=0
1321 if [ "$count" -lt "$rst_rx" ]; then
1322 echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
1337 printf "%-${nr_blank}s %s" " " "itx"
1338 count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
1339 [ -z "$count" ] && count=0
1340 if [ "$count" != "$infi_tx" ]; then
1341 echo "[fail] got $count infinite map[s] TX expected $infi_tx"
1348 count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
1349 [ -z "$count" ] && count=0
1350 if [ "$count" != "$infi_rx" ]; then
1351 echo "[fail] got $count infinite map[s] RX expected $infi_rx"
1363 local csum_ns1=${4:-0}
1364 local csum_ns2=${5:-0}
1365 local fail_nr=${6:-0}
1366 local rst_nr=${7:-0}
1367 local infi_nr=${8:-0}
1368 local corrupted_pkts=${9:-0}
1371 local title="${TEST_NAME}"
1373 if [ "${corrupted_pkts}" -gt 0 ]; then
1374 title+=": ${corrupted_pkts} corrupted pkts"
1377 printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
1378 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}')
1379 [ -z "$count" ] && count=0
1380 if [ "$count" != "$syn_nr" ]; then
1381 echo "[fail] got $count JOIN[s] syn expected $syn_nr"
1388 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1389 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
1390 [ -z "$count" ] && count=0
1391 if [ "$count" != "$syn_ack_nr" ]; then
1392 # simult connections exceeding the limit with cookie enabled could go up to
1393 # synack validation as the conn limit can be enforced reliably only after
1394 # the subflow creation
1395 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1398 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
1406 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}')
1407 [ -z "$count" ] && count=0
1408 if [ "$count" != "$ack_nr" ]; then
1409 echo "[fail] got $count JOIN[s] ack expected $ack_nr"
1414 if [ $validate_checksum -eq 1 ]; then
1415 chk_csum_nr $csum_ns1 $csum_ns2
1416 chk_fail_nr $fail_nr $fail_nr
1417 chk_rst_nr $rst_nr $rst_nr
1418 chk_infi_nr $infi_nr $infi_nr
1422 # a negative value for 'stale_max' means no upper bound:
1423 # for bidirectional transfer, if one peer sleep for a while
1424 # - as these tests do - we can have a quite high number of
1425 # stale/recover conversions, proportional to
1426 # sleep duration/ MPTCP-level RTX interval.
1432 local stale_delta=$4
1437 printf "%-${nr_blank}s %-18s" " " "stale"
1438 stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}')
1439 [ -z "$stale_nr" ] && stale_nr=0
1440 recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}')
1441 [ -z "$recover_nr" ] && recover_nr=0
1443 if [ $stale_nr -lt $stale_min ] ||
1444 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1445 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1446 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
1447 " expected stale in range [$stale_min..$stale_max]," \
1448 " stale-recover delta $stale_delta "
1455 if [ "${dump_stats}" = 1 ]; then
1457 ip netns exec $ns ip -s link show
1458 ip netns exec $ns nstat -as | grep MPTcp
1466 local port_nr=${3:-0}
1467 local syn_nr=${4:-$port_nr}
1468 local syn_ack_nr=${5:-$port_nr}
1469 local ack_nr=${6:-$port_nr}
1470 local mis_syn_nr=${7:-0}
1471 local mis_ack_nr=${8:-0}
1475 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1477 printf "%-${nr_blank}s %s" " " "add"
1478 count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
1479 [ -z "$count" ] && count=0
1481 # if the test configured a short timeout tolerate greater then expected
1482 # add addrs options, due to retransmissions
1483 if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1484 echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
1491 count=$(ip netns exec $ns1 nstat -as MPTcpExtEchoAdd | grep MPTcpExtEchoAdd | awk '{print $2}')
1492 [ -z "$count" ] && count=0
1493 if [ "$count" != "$echo_nr" ]; then
1494 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
1500 if [ $port_nr -gt 0 ]; then
1502 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}')
1503 [ -z "$count" ] && count=0
1504 if [ "$count" != "$port_nr" ]; then
1505 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
1511 printf "%-${nr_blank}s %s" " " "syn"
1512 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
1514 [ -z "$count" ] && count=0
1515 if [ "$count" != "$syn_nr" ]; then
1516 echo "[fail] got $count JOIN[s] syn with a different \
1517 port-number expected $syn_nr"
1524 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
1526 [ -z "$count" ] && count=0
1527 if [ "$count" != "$syn_ack_nr" ]; then
1528 echo "[fail] got $count JOIN[s] synack with a different \
1529 port-number expected $syn_ack_nr"
1536 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx |
1538 [ -z "$count" ] && count=0
1539 if [ "$count" != "$ack_nr" ]; then
1540 echo "[fail] got $count JOIN[s] ack with a different \
1541 port-number expected $ack_nr"
1547 printf "%-${nr_blank}s %s" " " "syn"
1548 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
1550 [ -z "$count" ] && count=0
1551 if [ "$count" != "$mis_syn_nr" ]; then
1552 echo "[fail] got $count JOIN[s] syn with a mismatched \
1553 port-number expected $mis_syn_nr"
1560 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
1562 [ -z "$count" ] && count=0
1563 if [ "$count" != "$mis_ack_nr" ]; then
1564 echo "[fail] got $count JOIN[s] ack with a mismatched \
1565 port-number expected $mis_ack_nr"
1582 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1584 printf "%-${nr_blank}s %s" " " "add TX"
1585 count=$(ip netns exec $ns1 nstat -as MPTcpExtAddAddrTx | grep MPTcpExtAddAddrTx | awk '{print $2}')
1586 [ -z "$count" ] && count=0
1588 # if the test configured a short timeout tolerate greater then expected
1589 # add addrs options, due to retransmissions
1590 if [ "$count" != "$add_tx_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
1591 echo "[fail] got $count ADD_ADDR[s] TX, expected $add_tx_nr"
1597 echo -n " - echo TX "
1598 count=$(ip netns exec $ns2 nstat -as MPTcpExtEchoAddTx | grep MPTcpExtEchoAddTx | awk '{print $2}')
1599 [ -z "$count" ] && count=0
1600 if [ "$count" != "$echo_tx_nr" ]; then
1601 echo "[fail] got $count ADD_ADDR echo[s] TX, expected $echo_tx_nr"
1611 local rm_subflow_nr=$2
1616 local subflow_ns=$ns2
1620 while [ -n "$1" ]; do
1621 [ "$1" = "invert" ] && invert=true
1622 [ "$1" = "simult" ] && simult=true
1626 if [ -z $invert ]; then
1629 elif [ $invert = "true" ]; then
1635 printf "%-${nr_blank}s %s" " " "rm "
1636 count=$(ip netns exec $addr_ns nstat -as MPTcpExtRmAddr | grep MPTcpExtRmAddr | awk '{print $2}')
1637 [ -z "$count" ] && count=0
1638 if [ "$count" != "$rm_addr_nr" ]; then
1639 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
1646 count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1647 [ -z "$count" ] && count=0
1648 if [ -n "$simult" ]; then
1651 cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1653 # in case of simult flush, the subflow removal count on each side is
1655 [ -z "$cnt" ] && cnt=0
1656 count=$((count + cnt))
1657 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1658 if [ $count -ge "$rm_subflow_nr" ] && \
1659 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1660 echo "[ ok ] $suffix"
1662 echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1667 if [ "$count" != "$rm_subflow_nr" ]; then
1668 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1679 local rm_addr_tx_nr=$1
1681 printf "%-${nr_blank}s %s" " " "rm TX "
1682 count=$(ip netns exec $ns2 nstat -as MPTcpExtRmAddrTx | grep MPTcpExtRmAddrTx | awk '{print $2}')
1683 [ -z "$count" ] && count=0
1684 if [ "$count" != "$rm_addr_tx_nr" ]; then
1685 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_tx_nr"
1696 local mp_prio_nr_tx=$1
1697 local mp_prio_nr_rx=$2
1700 printf "%-${nr_blank}s %s" " " "ptx"
1701 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
1702 [ -z "$count" ] && count=0
1703 if [ "$count" != "$mp_prio_nr_tx" ]; then
1704 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1711 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
1712 [ -z "$count" ] && count=0
1713 if [ "$count" != "$mp_prio_nr_rx" ]; then
1714 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1723 local need_title="$1"
1730 if [ -n "${need_title}" ]; then
1731 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
1733 printf "%-${nr_blank}s %s" " " "${msg}"
1736 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1737 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1738 if [ "$cnt1" != "$subflow_nr" ] || [ "$cnt2" != "$subflow_nr" ]; then
1739 echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
1746 if [ "${dump_stats}" = 1 ]; then
1748 ss -N $ns1 -tOni | grep token
1749 ip -n $ns1 mptcp endpoint
1761 if [[ $nr_info = "subflows_"* ]]; then
1763 nr_info=${nr_info:9}
1765 echo "[fail] unsupported argument: $nr_info"
1770 printf "%-${nr_blank}s %-30s" " " "mptcp_info $info=$nr_info"
1772 cnt1=$(ss -N $ns1 -inmHM | grep "$info:" |
1773 sed -n 's/.*\('"$info"':\)\([[:digit:]]*\).*$/\2/p;q')
1774 [ -z "$cnt1" ] && cnt1=0
1775 cnt2=$(ss -N $ns2 -inmHM | grep "$info:" |
1776 sed -n 's/.*\('"$info"':\)\([[:digit:]]*\).*$/\2/p;q')
1777 [ -z "$cnt2" ] && cnt2=0
1778 if [ "$cnt1" != "$nr_info" ] || [ "$cnt2" != "$nr_info" ]; then
1779 echo "[fail] got $cnt1:$cnt2 $info expected $nr_info"
1786 if [ "$dump_stats" = 1 ]; then
1797 local expected_rate=$4
1799 local tx_link tx_total
1800 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1801 tx_total=$(stat --format=%s $out)
1802 local tx_rate=$((tx_link * 100 / tx_total))
1805 printf "%-${nr_blank}s %-18s" " " "link usage"
1806 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1807 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1808 echo "[fail] got $tx_rate% usage, expected $expected_rate%"
1817 local timeout_ms=$((timeout_poll * 1000))
1821 while [ $time -lt $timeout_ms ]; do
1824 cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
1826 [ "$cnt" = 1 ] && return 1
1827 time=$((time + 100))
1837 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1842 if reset "no JOIN"; then
1843 run_tests $ns1 $ns2 10.0.1.1
1847 # subflow limited by client
1848 if reset "single subflow, limited by client"; then
1849 pm_nl_set_limits $ns1 0 0
1850 pm_nl_set_limits $ns2 0 0
1851 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1852 run_tests $ns1 $ns2 10.0.1.1
1856 # subflow limited by server
1857 if reset "single subflow, limited by server"; then
1858 pm_nl_set_limits $ns1 0 0
1859 pm_nl_set_limits $ns2 0 1
1860 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1861 run_tests $ns1 $ns2 10.0.1.1
1866 if reset "single subflow"; then
1867 pm_nl_set_limits $ns1 0 1
1868 pm_nl_set_limits $ns2 0 1
1869 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1870 run_tests $ns1 $ns2 10.0.1.1
1875 if reset "multiple subflows"; then
1876 pm_nl_set_limits $ns1 0 2
1877 pm_nl_set_limits $ns2 0 2
1878 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1879 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1880 run_tests $ns1 $ns2 10.0.1.1
1884 # multiple subflows limited by server
1885 if reset "multiple subflows, limited by server"; then
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
1894 # single subflow, dev
1895 if reset "single subflow, dev"; then
1896 pm_nl_set_limits $ns1 0 1
1897 pm_nl_set_limits $ns2 0 1
1898 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
1899 run_tests $ns1 $ns2 10.0.1.1
1904 subflows_error_tests()
1906 # If a single subflow is configured, and matches the MPC src
1907 # address, no additional subflow should be created
1908 if reset "no MPC reuse with single endpoint"; then
1909 pm_nl_set_limits $ns1 0 1
1910 pm_nl_set_limits $ns2 0 1
1911 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
1912 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1916 # multiple subflows, with subflow creation error
1917 if reset "multi subflows, with failing subflow"; then
1918 pm_nl_set_limits $ns1 0 2
1919 pm_nl_set_limits $ns2 0 2
1920 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1921 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1922 filter_tcp_from $ns1 10.0.3.2 REJECT
1923 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1927 # multiple subflows, with subflow timeout on MPJ
1928 if reset "multi subflows, with subflow timeout"; then
1929 pm_nl_set_limits $ns1 0 2
1930 pm_nl_set_limits $ns2 0 2
1931 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1932 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1933 filter_tcp_from $ns1 10.0.3.2 DROP
1934 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1938 # multiple subflows, check that the endpoint corresponding to
1939 # closed subflow (due to reset) is not reused if additional
1940 # subflows are added later
1941 if reset "multi subflows, fair usage on close"; then
1942 pm_nl_set_limits $ns1 0 1
1943 pm_nl_set_limits $ns2 0 1
1944 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1945 filter_tcp_from $ns1 10.0.3.2 REJECT
1946 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
1948 # mpj subflow will be in TW after the reset
1949 wait_attempt_fail $ns2
1950 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1953 # additional subflow could be created only if the PM select
1954 # the later endpoint, skipping the already used one
1959 signal_address_tests()
1961 # add_address, unused
1962 if reset "unused signal address"; then
1963 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1964 run_tests $ns1 $ns2 10.0.1.1
1970 # accept and use add_addr
1971 if reset "signal address"; then
1972 pm_nl_set_limits $ns1 0 1
1973 pm_nl_set_limits $ns2 1 1
1974 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1975 run_tests $ns1 $ns2 10.0.1.1
1980 # accept and use add_addr with an additional subflow
1981 # note: signal address in server ns and local addresses in client ns must
1982 # belong to different subnets or one of the listed local address could be
1983 # used for 'add_addr' subflow
1984 if reset "subflow and signal"; then
1985 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1986 pm_nl_set_limits $ns1 0 2
1987 pm_nl_set_limits $ns2 1 2
1988 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1989 run_tests $ns1 $ns2 10.0.1.1
1994 # accept and use add_addr with additional subflows
1995 if reset "multiple subflows and signal"; then
1996 pm_nl_set_limits $ns1 0 3
1997 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1998 pm_nl_set_limits $ns2 1 3
1999 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2000 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2001 run_tests $ns1 $ns2 10.0.1.1
2007 if reset "signal addresses"; then
2008 pm_nl_set_limits $ns1 3 3
2009 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2010 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2011 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2012 pm_nl_set_limits $ns2 3 3
2013 run_tests $ns1 $ns2 10.0.1.1
2018 # signal invalid addresses
2019 if reset "signal invalid addresses"; then
2020 pm_nl_set_limits $ns1 3 3
2021 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2022 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2023 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2024 pm_nl_set_limits $ns2 3 3
2025 run_tests $ns1 $ns2 10.0.1.1
2030 # signal addresses race test
2031 if reset "signal addresses race test"; then
2032 pm_nl_set_limits $ns1 4 4
2033 pm_nl_set_limits $ns2 4 4
2034 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2035 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2036 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2037 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2038 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
2039 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
2040 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
2041 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
2043 # the peer could possibly miss some addr notification, allow retransmission
2044 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
2045 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2048 # the server will not signal the address terminating
2054 link_failure_tests()
2056 # accept and use add_addr with additional subflows and link loss
2057 if reset "multiple flows, signal, link failure"; then
2058 # without any b/w limit each veth could spool the packets and get
2059 # them acked at xmit time, so that the corresponding subflow will
2060 # have almost always no outstanding pkts, the scheduler will pick
2061 # always the first subflow and we will have hard time testing
2062 # active backup and link switch-over.
2063 # Let's set some arbitrary (low) virtual link limits.
2065 pm_nl_set_limits $ns1 0 3
2066 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2067 pm_nl_set_limits $ns2 1 3
2068 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2069 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2070 run_tests $ns1 $ns2 10.0.1.1 1
2073 chk_stale_nr $ns2 1 5 1
2076 # accept and use add_addr with additional subflows and link loss
2077 # for bidirectional transfer
2078 if reset "multi flows, signal, bidi, link fail"; then
2080 pm_nl_set_limits $ns1 0 3
2081 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2082 pm_nl_set_limits $ns2 1 3
2083 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2084 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2085 run_tests $ns1 $ns2 10.0.1.1 2
2088 chk_stale_nr $ns2 1 -1 1
2091 # 2 subflows plus 1 backup subflow with a lossy link, backup
2092 # will never be used
2093 if reset "backup subflow unused, link failure"; then
2095 pm_nl_set_limits $ns1 0 2
2096 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2097 pm_nl_set_limits $ns2 1 2
2099 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2100 run_tests $ns1 $ns2 10.0.1.1 1
2103 chk_link_usage $ns2 ns2eth3 $cinsent 0
2106 # 2 lossy links after half transfer, backup will get half of
2108 if reset "backup flow used, multi links fail"; then
2110 pm_nl_set_limits $ns1 0 2
2111 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2112 pm_nl_set_limits $ns2 1 2
2113 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2115 run_tests $ns1 $ns2 10.0.1.1 1
2118 chk_stale_nr $ns2 2 4 2
2119 chk_link_usage $ns2 ns2eth3 $cinsent 50
2122 # use a backup subflow with the first subflow on a lossy link
2123 # for bidirectional transfer
2124 if reset "backup flow used, bidi, link failure"; then
2126 pm_nl_set_limits $ns1 0 2
2127 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2128 pm_nl_set_limits $ns2 1 3
2129 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2131 run_tests $ns1 $ns2 10.0.1.1 2
2134 chk_stale_nr $ns2 1 -1 2
2135 chk_link_usage $ns2 ns2eth3 $cinsent 50
2139 add_addr_timeout_tests()
2142 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2143 pm_nl_set_limits $ns1 0 1
2144 pm_nl_set_limits $ns2 1 1
2145 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2146 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2152 # add_addr timeout IPv6
2153 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2154 pm_nl_set_limits $ns1 0 1
2155 pm_nl_set_limits $ns2 1 1
2156 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2157 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2162 # signal addresses timeout
2163 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2164 pm_nl_set_limits $ns1 2 2
2165 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2166 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2167 pm_nl_set_limits $ns2 2 2
2168 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2173 # signal invalid addresses timeout
2174 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2175 pm_nl_set_limits $ns1 2 2
2176 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2177 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2178 pm_nl_set_limits $ns2 2 2
2179 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2187 # single subflow, remove
2188 if reset "remove single subflow"; then
2189 pm_nl_set_limits $ns1 0 1
2190 pm_nl_set_limits $ns2 0 1
2191 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2192 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2198 # multiple subflows, remove
2199 if reset "remove multiple subflows"; then
2200 pm_nl_set_limits $ns1 0 2
2201 pm_nl_set_limits $ns2 0 2
2202 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2203 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2204 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
2209 # single address, remove
2210 if reset "remove single address"; then
2211 pm_nl_set_limits $ns1 0 1
2212 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2213 pm_nl_set_limits $ns2 1 1
2214 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2217 chk_rm_nr 1 1 invert
2220 # subflow and signal, remove
2221 if reset "remove subflow and signal"; then
2222 pm_nl_set_limits $ns1 0 2
2223 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2224 pm_nl_set_limits $ns2 1 2
2225 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2226 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2232 # subflows and signal, remove
2233 if reset "remove subflows and signal"; then
2234 pm_nl_set_limits $ns1 0 3
2235 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2236 pm_nl_set_limits $ns2 1 3
2237 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2238 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2239 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 speed_10
2246 if reset "remove addresses"; then
2247 pm_nl_set_limits $ns1 3 3
2248 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2249 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2250 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2251 pm_nl_set_limits $ns2 3 3
2252 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2255 chk_rm_nr 3 3 invert
2258 # invalid addresses remove
2259 if reset "remove invalid addresses"; then
2260 pm_nl_set_limits $ns1 3 3
2261 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2262 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2263 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2264 pm_nl_set_limits $ns2 3 3
2265 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2268 chk_rm_nr 3 1 invert
2271 # subflows and signal, flush
2272 if reset "flush subflows and signal"; then
2273 pm_nl_set_limits $ns1 0 3
2274 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2275 pm_nl_set_limits $ns2 1 3
2276 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2277 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2278 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2281 chk_rm_nr 1 3 invert simult
2285 if reset "flush subflows"; then
2286 pm_nl_set_limits $ns1 3 3
2287 pm_nl_set_limits $ns2 3 3
2288 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2289 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2290 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2291 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2294 chk_rm_nr 0 3 simult
2298 if reset "flush addresses"; then
2299 pm_nl_set_limits $ns1 3 3
2300 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2301 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2302 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2303 pm_nl_set_limits $ns2 3 3
2304 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2307 chk_rm_nr 3 3 invert simult
2310 # invalid addresses flush
2311 if reset "flush invalid addresses"; then
2312 pm_nl_set_limits $ns1 3 3
2313 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2314 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2315 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2316 pm_nl_set_limits $ns2 3 3
2317 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
2320 chk_rm_nr 3 1 invert
2323 # remove id 0 subflow
2324 if reset "remove id 0 subflow"; then
2325 pm_nl_set_limits $ns1 0 1
2326 pm_nl_set_limits $ns2 0 1
2327 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2328 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow
2333 # remove id 0 address
2334 if reset "remove id 0 address"; then
2335 pm_nl_set_limits $ns1 0 1
2336 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2337 pm_nl_set_limits $ns2 1 1
2338 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
2341 chk_rm_nr 1 1 invert
2347 # add single subflow
2348 if reset "add single subflow"; then
2349 pm_nl_set_limits $ns1 0 1
2350 pm_nl_set_limits $ns2 0 1
2351 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
2355 # add signal address
2356 if reset "add signal address"; then
2357 pm_nl_set_limits $ns1 0 1
2358 pm_nl_set_limits $ns2 1 1
2359 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2364 # add multiple subflows
2365 if reset "add multiple subflows"; then
2366 pm_nl_set_limits $ns1 0 2
2367 pm_nl_set_limits $ns2 0 2
2368 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
2372 # add multiple subflows IPv6
2373 if reset "add multiple subflows IPv6"; then
2374 pm_nl_set_limits $ns1 0 2
2375 pm_nl_set_limits $ns2 0 2
2376 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
2380 # add multiple addresses IPv6
2381 if reset "add multiple addresses IPv6"; then
2382 pm_nl_set_limits $ns1 0 2
2383 pm_nl_set_limits $ns2 2 2
2384 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
2393 if reset "single subflow IPv6"; then
2394 pm_nl_set_limits $ns1 0 1
2395 pm_nl_set_limits $ns2 0 1
2396 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2397 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2401 # add_address, unused IPv6
2402 if reset "unused signal address IPv6"; then
2403 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2404 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2409 # signal address IPv6
2410 if reset "single address IPv6"; then
2411 pm_nl_set_limits $ns1 0 1
2412 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2413 pm_nl_set_limits $ns2 1 1
2414 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2419 # single address IPv6, remove
2420 if reset "remove single address IPv6"; then
2421 pm_nl_set_limits $ns1 0 1
2422 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2423 pm_nl_set_limits $ns2 1 1
2424 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
2427 chk_rm_nr 1 1 invert
2430 # subflow and signal IPv6, remove
2431 if reset "remove subflow and signal IPv6"; then
2432 pm_nl_set_limits $ns1 0 2
2433 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2434 pm_nl_set_limits $ns2 1 2
2435 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2436 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
2445 # subflow IPv4-mapped to IPv4-mapped
2446 if reset "single subflow IPv4-mapped"; then
2447 pm_nl_set_limits $ns1 0 1
2448 pm_nl_set_limits $ns2 0 1
2449 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2450 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2454 # signal address IPv4-mapped with IPv4-mapped sk
2455 if reset "signal address IPv4-mapped"; then
2456 pm_nl_set_limits $ns1 0 1
2457 pm_nl_set_limits $ns2 1 1
2458 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2459 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2465 if reset "single subflow v4-map-v6"; then
2466 pm_nl_set_limits $ns1 0 1
2467 pm_nl_set_limits $ns2 0 1
2468 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2469 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2473 # signal address v4-map-v6
2474 if reset "signal address v4-map-v6"; then
2475 pm_nl_set_limits $ns1 0 1
2476 pm_nl_set_limits $ns2 1 1
2477 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2478 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2484 if reset "single subflow v6-map-v4"; then
2485 pm_nl_set_limits $ns1 0 1
2486 pm_nl_set_limits $ns2 0 1
2487 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2488 run_tests $ns1 $ns2 10.0.1.1
2492 # signal address v6-map-v4
2493 if reset "signal address v6-map-v4"; then
2494 pm_nl_set_limits $ns1 0 1
2495 pm_nl_set_limits $ns2 1 1
2496 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2497 run_tests $ns1 $ns2 10.0.1.1
2502 # no subflow IPv6 to v4 address
2503 if reset "no JOIN with diff families v4-v6"; then
2504 pm_nl_set_limits $ns1 0 1
2505 pm_nl_set_limits $ns2 0 1
2506 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2507 run_tests $ns1 $ns2 10.0.1.1
2511 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2512 if reset "no JOIN with diff families v4-v6-2"; then
2513 pm_nl_set_limits $ns1 0 1
2514 pm_nl_set_limits $ns2 0 1
2515 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2516 run_tests $ns1 $ns2 10.0.1.1
2520 # no subflow IPv4 to v6 address, no need to slow down too then
2521 if reset "no JOIN with diff families v6-v4"; then
2522 pm_nl_set_limits $ns1 0 1
2523 pm_nl_set_limits $ns2 0 1
2524 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2525 run_tests $ns1 $ns2 dead:beef:1::1
2532 if reset "IPv4 sockets do not use IPv6 addresses"; then
2533 pm_nl_set_limits $ns1 0 1
2534 pm_nl_set_limits $ns2 1 1
2535 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2536 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2540 # Need an IPv6 mptcp socket to allow subflows of both families
2541 if reset "simult IPv4 and IPv6 subflows"; then
2542 pm_nl_set_limits $ns1 0 1
2543 pm_nl_set_limits $ns2 1 1
2544 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2545 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow
2549 # cross families subflows will not be created even in fullmesh mode
2550 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1"; then
2551 pm_nl_set_limits $ns1 0 4
2552 pm_nl_set_limits $ns2 1 4
2553 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
2554 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2555 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow
2559 # fullmesh still tries to create all the possibly subflows with
2561 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2"; then
2562 pm_nl_set_limits $ns1 0 4
2563 pm_nl_set_limits $ns2 2 4
2564 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2565 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2566 run_tests $ns1 $ns2 dead:beef:1::1 0 0 fullmesh_1 slow
2573 # single subflow, backup
2574 if reset "single subflow, backup"; then
2575 pm_nl_set_limits $ns1 0 1
2576 pm_nl_set_limits $ns2 0 1
2577 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2578 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
2583 # single address, backup
2584 if reset "single address, backup"; then
2585 pm_nl_set_limits $ns1 0 1
2586 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2587 pm_nl_set_limits $ns2 1 1
2588 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2594 # single address with port, backup
2595 if reset "single address with port, backup"; then
2596 pm_nl_set_limits $ns1 0 1
2597 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2598 pm_nl_set_limits $ns2 1 1
2599 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2605 if reset "mpc backup"; then
2606 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2607 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2612 if reset "mpc backup both sides"; then
2613 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2614 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2615 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2620 if reset "mpc switch to backup"; then
2621 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2622 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2627 if reset "mpc switch to backup both sides"; then
2628 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2629 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2630 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2636 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
2637 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
2642 verify_listener_events()
2654 if [ $e_type = $LISTENER_CREATED ]; then
2655 stdbuf -o0 -e0 printf "\t\t\t\t\t CREATE_LISTENER %s:%s"\
2657 elif [ $e_type = $LISTENER_CLOSED ]; then
2658 stdbuf -o0 -e0 printf "\t\t\t\t\t CLOSE_LISTENER %s:%s "\
2662 type=$(grep "type:$e_type," $evt |
2663 sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
2664 family=$(grep "type:$e_type," $evt |
2665 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
2666 sport=$(grep "type:$e_type," $evt |
2667 sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
2668 if [ $family ] && [ $family = $AF_INET6 ]; then
2669 saddr=$(grep "type:$e_type," $evt |
2670 sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
2672 saddr=$(grep "type:$e_type," $evt |
2673 sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
2676 if [ $type ] && [ $type = $e_type ] &&
2677 [ $family ] && [ $family = $e_family ] &&
2678 [ $saddr ] && [ $saddr = $e_saddr ] &&
2679 [ $sport ] && [ $sport = $e_sport ]; then
2680 stdbuf -o0 -e0 printf "[ ok ]\n"
2684 stdbuf -o0 -e0 printf "[fail]\n"
2687 add_addr_ports_tests()
2689 # signal address with port
2690 if reset "signal address with port"; then
2691 pm_nl_set_limits $ns1 0 1
2692 pm_nl_set_limits $ns2 1 1
2693 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2694 run_tests $ns1 $ns2 10.0.1.1
2699 # subflow and signal with port
2700 if reset "subflow and signal with port"; then
2701 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2702 pm_nl_set_limits $ns1 0 2
2703 pm_nl_set_limits $ns2 1 2
2704 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2705 run_tests $ns1 $ns2 10.0.1.1
2710 # single address with port, remove
2711 # pm listener events
2712 if reset_with_events "remove single address with port"; then
2713 pm_nl_set_limits $ns1 0 1
2714 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2715 pm_nl_set_limits $ns2 1 1
2716 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2719 chk_rm_nr 1 1 invert
2721 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100
2722 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100
2726 # subflow and signal with port, remove
2727 if reset "remove subflow and signal with port"; then
2728 pm_nl_set_limits $ns1 0 2
2729 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2730 pm_nl_set_limits $ns2 1 2
2731 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2732 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2738 # subflows and signal with port, flush
2739 if reset "flush subflows and signal with port"; then
2740 pm_nl_set_limits $ns1 0 3
2741 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2742 pm_nl_set_limits $ns2 1 3
2743 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2744 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2745 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
2748 chk_rm_nr 1 3 invert simult
2751 # multiple addresses with port
2752 if reset "multiple addresses with port"; then
2753 pm_nl_set_limits $ns1 2 2
2754 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2755 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2756 pm_nl_set_limits $ns2 2 2
2757 run_tests $ns1 $ns2 10.0.1.1
2762 # multiple addresses with ports
2763 if reset "multiple addresses with ports"; then
2764 pm_nl_set_limits $ns1 2 2
2765 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2766 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2767 pm_nl_set_limits $ns2 2 2
2768 run_tests $ns1 $ns2 10.0.1.1
2776 # single subflow, syncookies
2777 if reset_with_cookies "single subflow with syn cookies"; then
2778 pm_nl_set_limits $ns1 0 1
2779 pm_nl_set_limits $ns2 0 1
2780 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2781 run_tests $ns1 $ns2 10.0.1.1
2785 # multiple subflows with syn cookies
2786 if reset_with_cookies "multiple subflows with syn cookies"; then
2787 pm_nl_set_limits $ns1 0 2
2788 pm_nl_set_limits $ns2 0 2
2789 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2790 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2791 run_tests $ns1 $ns2 10.0.1.1
2795 # multiple subflows limited by server
2796 if reset_with_cookies "subflows limited by server w cookies"; then
2797 pm_nl_set_limits $ns1 0 1
2798 pm_nl_set_limits $ns2 0 2
2799 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2800 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2801 run_tests $ns1 $ns2 10.0.1.1
2805 # test signal address with cookies
2806 if reset_with_cookies "signal address with syn cookies"; then
2807 pm_nl_set_limits $ns1 0 1
2808 pm_nl_set_limits $ns2 1 1
2809 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2810 run_tests $ns1 $ns2 10.0.1.1
2815 # test cookie with subflow and signal
2816 if reset_with_cookies "subflow and signal w cookies"; then
2817 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2818 pm_nl_set_limits $ns1 0 2
2819 pm_nl_set_limits $ns2 1 2
2820 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2821 run_tests $ns1 $ns2 10.0.1.1
2826 # accept and use add_addr with additional subflows
2827 if reset_with_cookies "subflows and signal w. cookies"; then
2828 pm_nl_set_limits $ns1 0 3
2829 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2830 pm_nl_set_limits $ns2 1 3
2831 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2832 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2833 run_tests $ns1 $ns2 10.0.1.1
2842 if reset_with_checksum 0 0; then
2843 pm_nl_set_limits $ns1 0 1
2844 pm_nl_set_limits $ns2 0 1
2845 run_tests $ns1 $ns2 10.0.1.1
2850 if reset_with_checksum 1 1; then
2851 pm_nl_set_limits $ns1 0 1
2852 pm_nl_set_limits $ns2 0 1
2853 run_tests $ns1 $ns2 10.0.1.1
2858 if reset_with_checksum 0 1; then
2859 pm_nl_set_limits $ns1 0 1
2860 pm_nl_set_limits $ns2 0 1
2861 run_tests $ns1 $ns2 10.0.1.1
2866 if reset_with_checksum 1 0; then
2867 pm_nl_set_limits $ns1 0 1
2868 pm_nl_set_limits $ns2 0 1
2869 run_tests $ns1 $ns2 10.0.1.1
2874 deny_join_id0_tests()
2876 # subflow allow join id0 ns1
2877 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
2878 pm_nl_set_limits $ns1 1 1
2879 pm_nl_set_limits $ns2 1 1
2880 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2881 run_tests $ns1 $ns2 10.0.1.1
2885 # subflow allow join id0 ns2
2886 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
2887 pm_nl_set_limits $ns1 1 1
2888 pm_nl_set_limits $ns2 1 1
2889 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2890 run_tests $ns1 $ns2 10.0.1.1
2894 # signal address allow join id0 ns1
2895 # ADD_ADDRs are not affected by allow_join_id0 value.
2896 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
2897 pm_nl_set_limits $ns1 1 1
2898 pm_nl_set_limits $ns2 1 1
2899 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2900 run_tests $ns1 $ns2 10.0.1.1
2905 # signal address allow join id0 ns2
2906 # ADD_ADDRs are not affected by allow_join_id0 value.
2907 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
2908 pm_nl_set_limits $ns1 1 1
2909 pm_nl_set_limits $ns2 1 1
2910 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2911 run_tests $ns1 $ns2 10.0.1.1
2916 # subflow and address allow join id0 ns1
2917 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
2918 pm_nl_set_limits $ns1 2 2
2919 pm_nl_set_limits $ns2 2 2
2920 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2921 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2922 run_tests $ns1 $ns2 10.0.1.1
2926 # subflow and address allow join id0 ns2
2927 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
2928 pm_nl_set_limits $ns1 2 2
2929 pm_nl_set_limits $ns2 2 2
2930 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2931 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2932 run_tests $ns1 $ns2 10.0.1.1
2940 # 2 fullmesh addrs in ns2, added before the connection,
2941 # 1 non-fullmesh addr in ns1, added during the connection.
2942 if reset "fullmesh test 2x1"; then
2943 pm_nl_set_limits $ns1 0 4
2944 pm_nl_set_limits $ns2 1 4
2945 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
2946 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
2947 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2953 # 1 non-fullmesh addr in ns1, added before the connection,
2954 # 1 fullmesh addr in ns2, added during the connection.
2955 if reset "fullmesh test 1x1"; then
2956 pm_nl_set_limits $ns1 1 3
2957 pm_nl_set_limits $ns2 1 3
2958 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2959 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
2965 # 1 non-fullmesh addr in ns1, added before the connection,
2966 # 2 fullmesh addrs in ns2, added during the connection.
2967 if reset "fullmesh test 1x2"; then
2968 pm_nl_set_limits $ns1 2 5
2969 pm_nl_set_limits $ns2 1 5
2970 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2971 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2977 # 1 non-fullmesh addr in ns1, added before the connection,
2978 # 2 fullmesh addrs in ns2, added during the connection,
2979 # limit max_subflows to 4.
2980 if reset "fullmesh test 1x2, limited"; then
2981 pm_nl_set_limits $ns1 2 4
2982 pm_nl_set_limits $ns2 1 4
2983 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2984 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2990 if reset "set fullmesh flag test"; then
2991 pm_nl_set_limits $ns1 4 4
2992 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2993 pm_nl_set_limits $ns2 4 4
2994 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
2999 # set nofullmesh flag
3000 if reset "set nofullmesh flag test"; then
3001 pm_nl_set_limits $ns1 4 4
3002 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
3003 pm_nl_set_limits $ns2 4 4
3004 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
3009 # set backup,fullmesh flags
3010 if reset "set backup,fullmesh flags test"; then
3011 pm_nl_set_limits $ns1 4 4
3012 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3013 pm_nl_set_limits $ns2 4 4
3014 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
3020 # set nobackup,nofullmesh flags
3021 if reset "set nobackup,nofullmesh flags test"; then
3022 pm_nl_set_limits $ns1 4 4
3023 pm_nl_set_limits $ns2 4 4
3024 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
3025 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
3034 if reset "fastclose test"; then
3035 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
3038 chk_rst_nr 1 1 invert
3041 if reset "fastclose server test"; then
3042 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
3044 chk_fclose_nr 1 1 invert
3051 tc -n $ns2 -j -s action show action pedit index 100 | \
3053 sed 's/.*"packets":\([0-9]\+\),.*/\1/'
3059 if reset_with_fail "Infinite map" 1; then
3060 run_tests $ns1 $ns2 10.0.1.1 128
3061 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
3062 chk_fail_nr 1 -1 invert
3066 if reset_with_fail "MP_FAIL MP_RST" 2; then
3067 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
3068 pm_nl_set_limits $ns1 0 1
3069 pm_nl_set_limits $ns2 0 1
3070 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3071 run_tests $ns1 $ns2 10.0.1.1 1024
3072 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
3078 # userspace pm type prevents add_addr
3079 if reset "userspace pm type prevents add_addr"; then
3080 set_userspace_pm $ns1
3081 pm_nl_set_limits $ns1 0 2
3082 pm_nl_set_limits $ns2 0 2
3083 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3084 run_tests $ns1 $ns2 10.0.1.1
3089 # userspace pm type does not echo add_addr without daemon
3090 if reset "userspace pm no echo w/o daemon"; then
3091 set_userspace_pm $ns2
3092 pm_nl_set_limits $ns1 0 2
3093 pm_nl_set_limits $ns2 0 2
3094 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3095 run_tests $ns1 $ns2 10.0.1.1
3100 # userspace pm type rejects join
3101 if reset "userspace pm type rejects join"; then
3102 set_userspace_pm $ns1
3103 pm_nl_set_limits $ns1 1 1
3104 pm_nl_set_limits $ns2 1 1
3105 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3106 run_tests $ns1 $ns2 10.0.1.1
3110 # userspace pm type does not send join
3111 if reset "userspace pm type does not send join"; then
3112 set_userspace_pm $ns2
3113 pm_nl_set_limits $ns1 1 1
3114 pm_nl_set_limits $ns2 1 1
3115 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3116 run_tests $ns1 $ns2 10.0.1.1
3120 # userspace pm type prevents mp_prio
3121 if reset "userspace pm type prevents mp_prio"; then
3122 set_userspace_pm $ns1
3123 pm_nl_set_limits $ns1 1 1
3124 pm_nl_set_limits $ns2 1 1
3125 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3126 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
3131 # userspace pm type prevents rm_addr
3132 if reset "userspace pm type prevents rm_addr"; then
3133 set_userspace_pm $ns1
3134 set_userspace_pm $ns2
3135 pm_nl_set_limits $ns1 0 1
3136 pm_nl_set_limits $ns2 0 1
3137 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3138 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
3143 # userspace pm add & remove address
3144 if reset_with_events "userspace pm add & remove address"; then
3145 set_userspace_pm $ns1
3146 pm_nl_set_limits $ns2 1 1
3147 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
3150 chk_rm_nr 1 1 invert
3154 # userspace pm create destroy subflow
3155 if reset_with_events "userspace pm create destroy subflow"; then
3156 set_userspace_pm $ns2
3157 pm_nl_set_limits $ns1 0 1
3158 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
3167 # userspace pm type prevents add_addr
3168 if reset "implicit EP"; then
3169 pm_nl_set_limits $ns1 2 2
3170 pm_nl_set_limits $ns2 2 2
3171 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3172 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2>/dev/null &
3175 pm_nl_check_endpoint 1 "creation" \
3176 $ns2 10.0.2.2 id 1 flags implicit
3178 pm_nl_add_endpoint $ns2 10.0.2.2 id 33
3179 pm_nl_check_endpoint 0 "ID change is prevented" \
3180 $ns2 10.0.2.2 id 1 flags implicit
3182 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3183 pm_nl_check_endpoint 0 "modif is allowed" \
3184 $ns2 10.0.2.2 id 1 flags signal
3188 if reset "delete and re-add"; then
3189 pm_nl_set_limits $ns1 1 1
3190 pm_nl_set_limits $ns2 1 1
3191 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3192 run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
3195 chk_subflow_nr needtitle "before delete" 2
3196 chk_mptcp_info subflows_1
3198 pm_nl_del_endpoint $ns2 2 10.0.2.2
3200 chk_subflow_nr "" "after delete" 1
3201 chk_mptcp_info subflows_0
3203 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3205 chk_subflow_nr "" "after re-add" 2
3206 chk_mptcp_info subflows_1
3211 # [$1: error message]
3214 if [ -n "${1}" ]; then
3219 echo "mptcp_join usage:"
3222 for key in "${!all_tests[@]}"; do
3223 echo " -${key} ${all_tests[${key}]}"
3226 echo " -c capture pcap files"
3227 echo " -C enable data checksum"
3228 echo " -i use ip mptcp"
3231 echo "[test ids|names]"
3237 # Use a "simple" array to force an specific order we cannot have with an associative one
3240 e@subflows_error_tests
3241 s@signal_address_tests
3242 l@link_failure_tests
3243 t@add_addr_timeout_tests
3250 p@add_addr_ports_tests
3253 d@deny_join_id0_tests
3263 for subtests in "${all_tests_sorted[@]}"; do
3264 key="${subtests%@*}"
3265 value="${subtests#*@}"
3267 all_tests_args+="${key}"
3268 all_tests_names+=("${value}")
3269 all_tests[${key}]="${value}"
3273 while getopts "${all_tests_args}cCih" opt; do
3275 ["${all_tests_args}"])
3276 tests+=("${all_tests[${opt}]}")
3291 usage "Unknown option: -${opt}"
3296 shift $((OPTIND - 1))
3298 for arg in "${@}"; do
3299 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3300 only_tests_ids+=("${arg}")
3302 only_tests_names+=("${arg}")
3306 if [ ${#tests[@]} -eq 0 ]; then
3307 tests=("${all_tests_names[@]}")
3310 for subtests in "${tests[@]}"; do
3314 if [ ${ret} -ne 0 ]; then
3316 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3317 for i in $(get_failed_tests_ids); do
3318 echo -e "\t- ${i}: ${failed_tests[${i}]}"