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 . "$(dirname "${0}")/mptcp_lib.sh"
25 timeout_test=$((timeout_poll * 2 + 1))
34 declare -a only_tests_ids
35 declare -a only_tests_names
36 declare -A failed_tests
41 export FAILING_LINKS=""
43 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
44 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
45 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
66 rndh=$(mktemp -u XXXXXX)
72 for netns in "$ns1" "$ns2"; do
73 ip netns add $netns || exit $ksft_skip
74 ip -net $netns link set lo up
75 ip netns exec $netns sysctl -q net.mptcp.enabled=1
76 ip netns exec $netns sysctl -q net.mptcp.pm_type=0
77 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
78 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
79 if [ $checksum -eq 1 ]; then
80 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
85 validate_checksum=$checksum
95 for i in $(seq 1 4); do
96 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
97 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
98 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
99 ip -net "$ns1" link set ns1eth$i up
101 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
102 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
103 ip -net "$ns2" link set ns2eth$i up
105 # let $ns2 reach any $ns1 address from any interface
106 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
107 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
114 for i in $(seq 1 4); do
115 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
116 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
125 for netns in "$ns1" "$ns2"; do
127 rm -f /tmp/$netns.{nstat,out}
133 mptcp_lib_check_mptcp
135 if ! ip -Version &> /dev/null; then
136 echo "SKIP: Could not run test without ip tool"
140 if ! iptables -V &> /dev/null; then
141 echo "SKIP: Could not run all tests without iptables tool"
145 if ! ip6tables -V &> /dev/null; then
146 echo "SKIP: Could not run all tests without ip6tables tool"
164 make_file "$cin" "client" 1
165 make_file "$sin" "server" 1
170 rm -f "$cin" "$cout" "$sinfail"
171 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
178 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
183 for i in "${only_tests_ids[@]}"; do
184 if [ "${TEST_COUNT}" -eq "${i}" ]; then
188 for i in "${only_tests_names[@]}"; do
189 if [ "${TEST_NAME}" = "${i}" ]; then
202 TEST_COUNT=$((TEST_COUNT+1))
208 if [ "${init}" != "1" ]; then
222 reset "${1}" || return 1
225 for netns in "$ns1" "$ns2"; do
226 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
231 reset_with_add_addr_timeout()
236 reset "${1}" || return 1
239 if [ $ip -eq 6 ]; then
243 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
244 ip netns exec $ns2 $tables -A OUTPUT -p tcp \
245 -m tcp --tcp-option 30 \
247 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
252 reset_with_checksum()
257 reset "checksum test ${1} ${2}" || return 1
259 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
260 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
265 reset_with_allow_join_id0()
270 reset "${1}" || return 1
272 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
273 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
276 # Modify TCP payload without corrupting the TCP packet
278 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
279 # carrying enough data.
280 # Once it is done, the TCP Checksum field is updated so the packet is still
281 # considered as valid at the TCP level.
282 # Because the MPTCP checksum, covering the TCP options and data, has not been
283 # updated, the modification will be detected and an MP_FAIL will be emitted:
284 # what we want to validate here without corrupting "random" MPTCP options.
286 # To avoid having tc producing this pr_info() message for each TCP ACK packets
287 # not carrying enough data:
289 # tc action pedit offset 162 out of bounds
291 # Netfilter is used to mark packets with enough data.
294 reset "${1}" || return 1
296 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
297 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
306 if [ $ip -eq 6 ]; then
310 ip netns exec $ns2 $tables \
315 -m length --length 150:9999 \
316 -m statistic --mode nth --packet 1 --every 99999 \
317 -j MARK --set-mark 42 || exit 1
319 tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1
320 tc -n $ns2 filter add dev ns2eth$i egress \
321 protocol ip prio 1000 \
323 action pedit munge offset 148 u8 invert \
331 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
334 get_failed_tests_ids()
338 for i in "${!failed_tests[@]}"; do
346 echo "Trailing bytes are: "
359 if [ -n "$bytes" ]; then
360 # when truncating we must check the size explicitly
361 local out_size=$(wc -c $out | awk '{print $1}')
362 if [ $out_size -ne $bytes ]; then
363 echo "[ FAIL ] $what output file has wrong size ($out_size, $bytes)"
368 # note: BusyBox's "cmp" command doesn't support --bytes
370 head --bytes="$bytes" "$in" > "$tmpfile"
372 head --bytes="$bytes" "$out" > "$tmpfile"
376 cmp -l "$in" "$out" | while read -r i a b; do
377 local sum=$((0${a} + 0${b}))
378 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
379 echo "[ FAIL ] $what does not match (in, out):"
381 print_file_err "$out"
386 echo "$what has inverted byte at ${i}"
395 local listener_ns="$1"
396 local connector_ns="$2"
397 local connect_addr="$3"
399 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
400 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
409 if [ -z "$FAILING_LINKS" ]; then
411 FAILING_LINKS=$((l+1))
415 for l in $FAILING_LINKS; do
416 local veth="ns1eth$l"
417 ip -net "$ns" link set "$veth" down
428 wait_local_port_listen()
430 local listener_ns="${1}"
434 port_hex="$(printf "%04X" "${port}")"
437 for i in $(seq 10); do
438 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
439 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
449 ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'
452 # $1: ns, $2: old rm_addr counter in $ns
460 for i in $(seq 10); do
461 cnt=$(rm_addr_count ${ns})
462 [ "$cnt" = "${old_cnt}" ] || break
472 old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
475 for i in $(seq 10); do
476 cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
477 [ "$cnt" = "${old_cnt}" ] || break
484 kill $1 > /dev/null 2>&1
490 kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1)
500 if [ $ip_mptcp -eq 1 ]; then
501 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
503 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
520 if [ $p = "flags" ]; then
522 [ -n "$_flags" ]; flags="flags $_flags"
524 if [ $p = "dev" ]; then
526 [ -n "$_dev" ]; dev="dev $_dev"
528 if [ $p = "id" ]; then
530 [ -n "$_id" ]; id="id $_id"
532 if [ $p = "port" ]; then
534 [ -n "$_port" ]; port="port $_port"
540 if [ $ip_mptcp -eq 1 ]; then
541 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
543 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
553 if [ $ip_mptcp -eq 1 ]; then
554 ip -n $ns mptcp endpoint delete id $id $addr
556 ip netns exec $ns ./pm_nl_ctl del $id $addr
560 pm_nl_flush_endpoint()
564 if [ $ip_mptcp -eq 1 ]; then
565 ip -n $ns mptcp endpoint flush
567 ip netns exec $ns ./pm_nl_ctl flush
571 pm_nl_show_endpoints()
575 if [ $ip_mptcp -eq 1 ]; then
576 ip -n $ns mptcp endpoint show
578 ip netns exec $ns ./pm_nl_ctl dump
582 pm_nl_change_endpoint()
588 if [ $ip_mptcp -eq 1 ]; then
589 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
591 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
595 pm_nl_check_endpoint()
597 local line expected_line
610 if [ "${need_title}" = 1 ]; then
611 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
613 printf "%-${nr_blank}s %s" " " "${msg}"
617 while [ -n "$1" ]; do
618 if [ $1 = "flags" ]; then
620 [ -n "$_flags" ]; flags="flags $_flags"
622 elif [ $1 = "dev" ]; then
623 [ -n "$2" ]; dev="dev $1"
625 elif [ $1 = "id" ]; then
627 [ -n "$_id" ]; id="id $_id"
629 elif [ $1 = "port" ]; then
631 [ -n "$_port" ]; port=" port $_port"
638 if [ -z "$id" ]; then
639 echo "[skip] bad test - missing endpoint id"
643 if [ $ip_mptcp -eq 1 ]; then
644 line=$(ip -n $ns mptcp endpoint show $id)
645 # the dump order is: address id flags port dev
646 expected_line="$addr"
647 [ -n "$addr" ] && expected_line="$expected_line $addr"
648 expected_line="$expected_line $id"
649 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
650 [ -n "$dev" ] && expected_line="$expected_line $dev"
651 [ -n "$port" ] && expected_line="$expected_line $port"
653 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
654 # the dump order is: id flags dev address port
656 [ -n "$flags" ] && expected_line="$expected_line $flags"
657 [ -n "$dev" ] && expected_line="$expected_line $dev"
658 [ -n "$addr" ] && expected_line="$expected_line $addr"
659 [ -n "$_port" ] && expected_line="$expected_line $_port"
661 if [ "$line" = "$expected_line" ]; then
664 echo "[fail] expected '$expected_line' found '$line'"
675 ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
680 local listener_ns="$1"
681 local connector_ns="$2"
684 local connect_addr="$5"
685 local test_link_fail="$6"
686 local addr_nr_ns1="$7"
687 local addr_nr_ns2="$8"
691 local port=$((10000 + TEST_COUNT - 1))
703 if [ $capture -eq 1 ]; then
705 if [ -z $SUDO_USER ] ; then
708 capuser="-Z $SUDO_USER"
711 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
713 echo "Capturing traffic for test $TEST_COUNT into $capfile"
714 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
720 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
722 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
726 if [ $speed = "fast" ]; then
728 elif [ $speed = "slow" ]; then
730 elif [[ $speed = "speed_"* ]]; then
731 extra_args="-r ${speed:6}"
734 if [[ "${addr_nr_ns1}" = "userspace_"* ]]; then
736 addr_nr_ns1=${addr_nr_ns1:10}
739 local flags="subflow"
740 local extra_cl_args=""
741 local extra_srv_args=""
743 if [[ "${addr_nr_ns2}" = "fastclose_"* ]]; then
744 if [ ${test_link_fail} -le 1 ]; then
745 echo "fastclose tests need test_link_fail argument"
751 trunc_size=${test_link_fail}
752 local side=${addr_nr_ns2:10}
754 if [ ${side} = "client" ]; then
755 extra_cl_args="-f ${test_link_fail}"
756 extra_srv_args="-f -1"
757 elif [ ${side} = "server" ]; then
758 extra_srv_args="-f ${test_link_fail}"
759 extra_cl_args="-f -1"
761 echo "wrong/unknown fastclose spec ${side}"
766 elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then
768 addr_nr_ns2=${addr_nr_ns2:10}
769 elif [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then
770 flags="${flags},fullmesh"
771 addr_nr_ns2=${addr_nr_ns2:9}
774 if [ $userspace_pm -eq 1 ]; then
779 ip netns exec ${listener_ns} ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
781 ip netns exec ${connector_ns} ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
786 if is_v6 "${connect_addr}"; then
792 extra_srv_args="$extra_args $extra_srv_args"
793 if [ "$test_link_fail" -gt 1 ];then
794 timeout ${timeout_test} \
795 ip netns exec ${listener_ns} \
796 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
797 $extra_srv_args ${local_addr} < "$sinfail" > "$sout" &
799 timeout ${timeout_test} \
800 ip netns exec ${listener_ns} \
801 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
802 $extra_srv_args ${local_addr} < "$sin" > "$sout" &
806 wait_local_port_listen "${listener_ns}" "${port}"
808 extra_cl_args="$extra_args $extra_cl_args"
809 if [ "$test_link_fail" -eq 0 ];then
810 timeout ${timeout_test} \
811 ip netns exec ${connector_ns} \
812 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
813 $extra_cl_args $connect_addr < "$cin" > "$cout" &
814 elif [ "$test_link_fail" -eq 1 ] || [ "$test_link_fail" -eq 2 ];then
815 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
817 timeout ${timeout_test} \
818 ip netns exec ${connector_ns} \
819 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
820 $extra_cl_args $connect_addr > "$cout" &
822 tee "$cinsent" < "$cinfail" | \
823 timeout ${timeout_test} \
824 ip netns exec ${connector_ns} \
825 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
826 $extra_cl_args $connect_addr > "$cout" &
830 # let the mptcp subflow be established in background before
831 # do endpoint manipulation
832 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
836 if [ $addr_nr_ns1 -gt 0 ]; then
838 local add_nr_ns1=${addr_nr_ns1}
841 while [ $add_nr_ns1 -gt 0 ]; do
843 if is_v6 "${connect_addr}"; then
844 addr="dead:beef:$counter::1"
846 addr="10.0.$counter.1"
848 if [ $userspace_pm -eq 0 ]; then
849 pm_nl_add_endpoint $ns1 $addr flags signal
851 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns1")
852 ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id
854 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id
857 counter=$((counter + 1))
858 add_nr_ns1=$((add_nr_ns1 - 1))
861 elif [ $addr_nr_ns1 -lt 0 ]; then
862 local rm_nr_ns1=$((-addr_nr_ns1))
863 if [ $rm_nr_ns1 -lt 8 ]; then
866 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
867 # shellcheck disable=SC2206 # we do want to split per word
872 for i in "${arr[@]}"; do
873 if [ $i = "id" ]; then
874 if [ $counter -eq $rm_nr_ns1 ]; then
878 rm_addr=$(rm_addr_count ${connector_ns})
879 pm_nl_del_endpoint ${listener_ns} $id
880 wait_rm_addr ${connector_ns} ${rm_addr}
881 counter=$((counter + 1))
886 elif [ $rm_nr_ns1 -eq 8 ]; then
887 pm_nl_flush_endpoint ${listener_ns}
888 elif [ $rm_nr_ns1 -eq 9 ]; then
889 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
893 # if newly added endpoints must be deleted, give the background msk
894 # some time to created them
895 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
897 if [ $addr_nr_ns2 -gt 0 ]; then
898 local add_nr_ns2=${addr_nr_ns2}
902 while [ $add_nr_ns2 -gt 0 ]; do
904 if is_v6 "${connect_addr}"; then
905 addr="dead:beef:$counter::2"
907 addr="10.0.$counter.2"
909 if [ $userspace_pm -eq 0 ]; then
910 pm_nl_add_endpoint $ns2 $addr flags $flags
912 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
913 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
914 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
915 ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
916 rip $da rport $dp token $tk
918 sp=$(grep "type:10" "$evts_ns2" |
919 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
920 ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
921 rip $da rport $dp token $tk
923 counter=$((counter + 1))
924 add_nr_ns2=$((add_nr_ns2 - 1))
927 elif [ $addr_nr_ns2 -lt 0 ]; then
928 local rm_nr_ns2=$((-addr_nr_ns2))
929 if [ $rm_nr_ns2 -lt 8 ]; then
932 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
933 # shellcheck disable=SC2206 # we do want to split per word
938 for i in "${arr[@]}"; do
939 if [ $i = "id" ]; then
940 if [ $counter -eq $rm_nr_ns2 ]; then
944 # rm_addr are serialized, allow the previous one to
947 rm_addr=$(rm_addr_count ${listener_ns})
948 pm_nl_del_endpoint ${connector_ns} $id
949 wait_rm_addr ${listener_ns} ${rm_addr}
950 counter=$((counter + 1))
955 elif [ $rm_nr_ns2 -eq 8 ]; then
956 pm_nl_flush_endpoint ${connector_ns}
957 elif [ $rm_nr_ns2 -eq 9 ]; then
959 if is_v6 "${connect_addr}"; then
960 addr="dead:beef:1::2"
964 pm_nl_del_endpoint ${connector_ns} 0 $addr
968 if [ -n "${sflags}" ]; then
972 for netns in "$ns1" "$ns2"; do
974 pm_nl_show_endpoints $netns | while read -r line; do
975 # shellcheck disable=SC2206 # we do want to split per word
981 for i in "${arr[@]}"; do
982 if [ $i = "id" ]; then
987 pm_nl_change_endpoint $netns $id $sflags
997 if [ $capture -eq 1 ]; then
1002 if [ $userspace_pm -eq 1 ]; then
1003 kill_wait $evts_ns1_pid
1004 kill_wait $evts_ns2_pid
1005 rm -rf $evts_ns1 $evts_ns2
1008 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1009 nstat | grep Tcp > /tmp/${listener_ns}.out
1010 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1011 nstat | grep Tcp > /tmp/${connector_ns}.out
1013 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1014 echo " client exit code $retc, server $rets" 1>&2
1015 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1016 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1017 cat /tmp/${listener_ns}.out
1018 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1019 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1020 cat /tmp/${connector_ns}.out
1027 if [ "$test_link_fail" -gt 1 ];then
1028 check_transfer $sinfail $cout "file received by client" $trunc_size
1030 check_transfer $sin $cout "file received by client" $trunc_size
1033 if [ "$test_link_fail" -eq 0 ];then
1034 check_transfer $cin $sout "file received by server" $trunc_size
1036 check_transfer $cinsent $sout "file received by server" $trunc_size
1040 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1055 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
1056 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
1058 echo "Created $name (size $size KB) containing data sent by $who"
1063 local listener_ns="$1"
1064 local connector_ns="$2"
1065 local connect_addr="$3"
1066 local test_linkfail="${4:-0}"
1067 local addr_nr_ns1="${5:-0}"
1068 local addr_nr_ns2="${6:-0}"
1069 local speed="${7:-fast}"
1070 local sflags="${8:-""}"
1074 # The values above 2 are reused to make test files
1075 # with the given sizes (KB)
1076 if [ "$test_linkfail" -gt 2 ]; then
1079 if [ -z "$cinfail" ]; then
1082 make_file "$cinfail" "client" $size
1083 # create the input file for the failure test when
1084 # the first failure test run
1085 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1086 # the client file must be considerably larger
1087 # of the maximum expected cwin value, or the
1088 # link utilization will be not predicable
1092 size=$((size + ( RANDOM % 8192) ))
1095 make_file "$cinfail" "client" $size
1098 if [ "$test_linkfail" -gt 2 ]; then
1101 if [ -z "$sinfail" ]; then
1104 make_file "$sinfail" "server" $size
1105 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1111 make_file "$sinfail" "server" $size
1114 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
1115 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags}
1120 echo Server ns stats
1121 ip netns exec $ns1 nstat -as | grep Tcp
1122 echo Client ns stats
1123 ip netns exec $ns2 nstat -as | grep Tcp
1128 local csum_ns1=${1:-0}
1129 local csum_ns2=${2:-0}
1133 local allow_multi_errors_ns1=0
1134 local allow_multi_errors_ns2=0
1136 if [[ "${csum_ns1}" = "+"* ]]; then
1137 allow_multi_errors_ns1=1
1138 csum_ns1=${csum_ns1:1}
1140 if [[ "${csum_ns2}" = "+"* ]]; then
1141 allow_multi_errors_ns2=1
1142 csum_ns2=${csum_ns2:1}
1145 printf "%-${nr_blank}s %s" " " "sum"
1146 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1147 [ -z "$count" ] && count=0
1148 if [ "$count" != "$csum_ns1" ]; then
1149 extra_msg="$extra_msg ns1=$count"
1151 if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1152 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1153 echo "[fail] got $count data checksum error[s] expected $csum_ns1"
1160 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1161 [ -z "$count" ] && count=0
1162 if [ "$count" != "$csum_ns2" ]; then
1163 extra_msg="$extra_msg ns2=$count"
1165 if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1166 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1167 echo "[fail] got $count data checksum error[s] expected $csum_ns2"
1173 [ "${dump_stats}" = 1 ] && dump_stats
1182 local ns_invert=${3:-""}
1188 local allow_tx_lost=0
1189 local allow_rx_lost=0
1191 if [[ $ns_invert = "invert" ]]; then
1197 if [[ "${fail_tx}" = "-"* ]]; then
1199 fail_tx=${fail_tx:1}
1201 if [[ "${fail_rx}" = "-"* ]]; then
1203 fail_rx=${fail_rx:1}
1206 printf "%-${nr_blank}s %s" " " "ftx"
1207 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
1208 [ -z "$count" ] && count=0
1209 if [ "$count" != "$fail_tx" ]; then
1210 extra_msg="$extra_msg,tx=$count"
1212 if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1213 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1214 echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
1222 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
1223 [ -z "$count" ] && count=0
1224 if [ "$count" != "$fail_rx" ]; then
1225 extra_msg="$extra_msg,rx=$count"
1227 if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1228 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1229 echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
1236 [ "${dump_stats}" = 1 ] && dump_stats
1252 if [[ $ns_invert = "invert" ]]; then
1255 extra_msg=${extra_msg}"invert"
1258 printf "%-${nr_blank}s %s" " " "ctx"
1259 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
1260 [ -z "$count" ] && count=0
1261 [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
1262 if [ "$count" != "$fclose_tx" ]; then
1263 echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1271 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}')
1272 [ -z "$count" ] && count=0
1273 [ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count"
1274 if [ "$count" != "$fclose_rx" ]; then
1275 echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1282 [ "${dump_stats}" = 1 ] && dump_stats
1291 local ns_invert=${3:-""}
1298 if [[ $ns_invert = "invert" ]]; then
1304 printf "%-${nr_blank}s %s" " " "rtx"
1305 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
1306 [ -z "$count" ] && count=0
1307 if [ $count -lt $rst_tx ]; then
1308 echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
1316 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
1317 [ -z "$count" ] && count=0
1318 if [ "$count" -lt "$rst_rx" ]; then
1319 echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
1326 [ "${dump_stats}" = 1 ] && dump_stats
1338 printf "%-${nr_blank}s %s" " " "itx"
1339 count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
1340 [ -z "$count" ] && count=0
1341 if [ "$count" != "$infi_tx" ]; then
1342 echo "[fail] got $count infinite map[s] TX expected $infi_tx"
1350 count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
1351 [ -z "$count" ] && count=0
1352 if [ "$count" != "$infi_rx" ]; then
1353 echo "[fail] got $count infinite map[s] RX expected $infi_rx"
1360 [ "${dump_stats}" = 1 ] && dump_stats
1368 local csum_ns1=${4:-0}
1369 local csum_ns2=${5:-0}
1370 local fail_nr=${6:-0}
1371 local rst_nr=${7:-0}
1372 local infi_nr=${8:-0}
1373 local corrupted_pkts=${9:-0}
1377 local title="${TEST_NAME}"
1379 if [ "${corrupted_pkts}" -gt 0 ]; then
1380 title+=": ${corrupted_pkts} corrupted pkts"
1383 printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
1384 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}')
1385 [ -z "$count" ] && count=0
1386 if [ "$count" != "$syn_nr" ]; then
1387 echo "[fail] got $count JOIN[s] syn expected $syn_nr"
1395 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1396 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
1397 [ -z "$count" ] && count=0
1398 if [ "$count" != "$syn_ack_nr" ]; then
1399 # simult connections exceeding the limit with cookie enabled could go up to
1400 # synack validation as the conn limit can be enforced reliably only after
1401 # the subflow creation
1402 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1405 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
1414 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}')
1415 [ -z "$count" ] && count=0
1416 if [ "$count" != "$ack_nr" ]; then
1417 echo "[fail] got $count JOIN[s] ack expected $ack_nr"
1423 [ "${dump_stats}" = 1 ] && dump_stats
1424 if [ $validate_checksum -eq 1 ]; then
1425 chk_csum_nr $csum_ns1 $csum_ns2
1426 chk_fail_nr $fail_nr $fail_nr
1427 chk_rst_nr $rst_nr $rst_nr
1428 chk_infi_nr $infi_nr $infi_nr
1432 # a negative value for 'stale_max' means no upper bound:
1433 # for bidirectional transfer, if one peer sleep for a while
1434 # - as these tests do - we can have a quite high number of
1435 # stale/recover conversions, proportional to
1436 # sleep duration/ MPTCP-level RTX interval.
1442 local stale_delta=$4
1447 printf "%-${nr_blank}s %-18s" " " "stale"
1448 stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}')
1449 [ -z "$stale_nr" ] && stale_nr=0
1450 recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}')
1451 [ -z "$recover_nr" ] && recover_nr=0
1453 if [ $stale_nr -lt $stale_min ] ||
1454 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1455 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1456 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
1457 " expected stale in range [$stale_min..$stale_max]," \
1458 " stale-recover delta $stale_delta "
1465 if [ "${dump_stats}" = 1 ]; then
1467 ip netns exec $ns ip -s link show
1468 ip netns exec $ns nstat -as | grep MPTcp
1476 local port_nr=${3:-0}
1477 local syn_nr=${4:-$port_nr}
1478 local syn_ack_nr=${5:-$port_nr}
1479 local ack_nr=${6:-$port_nr}
1480 local mis_syn_nr=${7:-0}
1481 local mis_ack_nr=${8:-0}
1486 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1488 printf "%-${nr_blank}s %s" " " "add"
1489 count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
1490 [ -z "$count" ] && count=0
1492 # if the test configured a short timeout tolerate greater then expected
1493 # add addrs options, due to retransmissions
1494 if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1495 echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
1503 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}')
1504 [ -z "$count" ] && count=0
1505 if [ "$count" != "$echo_nr" ]; then
1506 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
1513 if [ $port_nr -gt 0 ]; then
1515 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}')
1516 [ -z "$count" ] && count=0
1517 if [ "$count" != "$port_nr" ]; then
1518 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
1525 printf "%-${nr_blank}s %s" " " "syn"
1526 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
1528 [ -z "$count" ] && count=0
1529 if [ "$count" != "$syn_nr" ]; then
1530 echo "[fail] got $count JOIN[s] syn with a different \
1531 port-number expected $syn_nr"
1539 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
1541 [ -z "$count" ] && count=0
1542 if [ "$count" != "$syn_ack_nr" ]; then
1543 echo "[fail] got $count JOIN[s] synack with a different \
1544 port-number expected $syn_ack_nr"
1552 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx |
1554 [ -z "$count" ] && count=0
1555 if [ "$count" != "$ack_nr" ]; then
1556 echo "[fail] got $count JOIN[s] ack with a different \
1557 port-number expected $ack_nr"
1564 printf "%-${nr_blank}s %s" " " "syn"
1565 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
1567 [ -z "$count" ] && count=0
1568 if [ "$count" != "$mis_syn_nr" ]; then
1569 echo "[fail] got $count JOIN[s] syn with a mismatched \
1570 port-number expected $mis_syn_nr"
1578 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
1580 [ -z "$count" ] && count=0
1581 if [ "$count" != "$mis_ack_nr" ]; then
1582 echo "[fail] got $count JOIN[s] ack with a mismatched \
1583 port-number expected $mis_ack_nr"
1593 [ "${dump_stats}" = 1 ] && dump_stats
1599 local rm_subflow_nr=$2
1605 local subflow_ns=$ns2
1609 while [ -n "$1" ]; do
1610 [ "$1" = "invert" ] && invert=true
1611 [ "$1" = "simult" ] && simult=true
1615 if [ -z $invert ]; then
1618 elif [ $invert = "true" ]; then
1624 printf "%-${nr_blank}s %s" " " "rm "
1625 count=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}')
1626 [ -z "$count" ] && count=0
1627 if [ "$count" != "$rm_addr_nr" ]; then
1628 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
1636 count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1637 [ -z "$count" ] && count=0
1638 if [ -n "$simult" ]; then
1641 cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1643 # in case of simult flush, the subflow removal count on each side is
1645 [ -z "$cnt" ] && cnt=0
1646 count=$((count + cnt))
1647 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1648 if [ $count -ge "$rm_subflow_nr" ] && \
1649 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1650 echo "[ ok ] $suffix"
1652 echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1658 if [ "$count" != "$rm_subflow_nr" ]; then
1659 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1666 [ "${dump_stats}" = 1 ] && dump_stats
1673 local mp_prio_nr_tx=$1
1674 local mp_prio_nr_rx=$2
1678 printf "%-${nr_blank}s %s" " " "ptx"
1679 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
1680 [ -z "$count" ] && count=0
1681 if [ "$count" != "$mp_prio_nr_tx" ]; then
1682 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1690 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
1691 [ -z "$count" ] && count=0
1692 if [ "$count" != "$mp_prio_nr_rx" ]; then
1693 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1700 [ "${dump_stats}" = 1 ] && dump_stats
1705 local need_title="$1"
1712 if [ -n "${need_title}" ]; then
1713 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
1715 printf "%-${nr_blank}s %s" " " "${msg}"
1718 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1719 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1720 if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then
1721 echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
1728 if [ "${dump_stats}" = 1 ]; then
1730 ss -N $ns1 -tOni | grep token
1731 ip -n $ns1 mptcp endpoint
1741 local expected_rate=$4
1743 local tx_link tx_total
1744 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1745 tx_total=$(stat --format=%s $out)
1746 local tx_rate=$((tx_link * 100 / tx_total))
1749 printf "%-${nr_blank}s %-18s" " " "link usage"
1750 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1751 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1752 echo "[fail] got $tx_rate% usage, expected $expected_rate%"
1761 local timeout_ms=$((timeout_poll * 1000))
1765 while [ $time -lt $timeout_ms ]; do
1768 cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
1770 [ "$cnt" = 1 ] && return 1
1771 time=$((time + 100))
1781 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1786 if reset "no JOIN"; then
1787 run_tests $ns1 $ns2 10.0.1.1
1791 # subflow limited by client
1792 if reset "single subflow, limited by client"; then
1793 pm_nl_set_limits $ns1 0 0
1794 pm_nl_set_limits $ns2 0 0
1795 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1796 run_tests $ns1 $ns2 10.0.1.1
1800 # subflow limited by server
1801 if reset "single subflow, limited by server"; then
1802 pm_nl_set_limits $ns1 0 0
1803 pm_nl_set_limits $ns2 0 1
1804 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1805 run_tests $ns1 $ns2 10.0.1.1
1810 if reset "single subflow"; then
1811 pm_nl_set_limits $ns1 0 1
1812 pm_nl_set_limits $ns2 0 1
1813 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1814 run_tests $ns1 $ns2 10.0.1.1
1819 if reset "multiple subflows"; then
1820 pm_nl_set_limits $ns1 0 2
1821 pm_nl_set_limits $ns2 0 2
1822 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1823 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1824 run_tests $ns1 $ns2 10.0.1.1
1828 # multiple subflows limited by server
1829 if reset "multiple subflows, limited by server"; then
1830 pm_nl_set_limits $ns1 0 1
1831 pm_nl_set_limits $ns2 0 2
1832 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1833 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1834 run_tests $ns1 $ns2 10.0.1.1
1838 # single subflow, dev
1839 if reset "single subflow, dev"; then
1840 pm_nl_set_limits $ns1 0 1
1841 pm_nl_set_limits $ns2 0 1
1842 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
1843 run_tests $ns1 $ns2 10.0.1.1
1848 subflows_error_tests()
1850 # If a single subflow is configured, and matches the MPC src
1851 # address, no additional subflow should be created
1852 if reset "no MPC reuse with single endpoint"; then
1853 pm_nl_set_limits $ns1 0 1
1854 pm_nl_set_limits $ns2 0 1
1855 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
1856 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1860 # multiple subflows, with subflow creation error
1861 if reset "multi subflows, with failing subflow"; then
1862 pm_nl_set_limits $ns1 0 2
1863 pm_nl_set_limits $ns2 0 2
1864 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1865 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1866 filter_tcp_from $ns1 10.0.3.2 REJECT
1867 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1871 # multiple subflows, with subflow timeout on MPJ
1872 if reset "multi subflows, with subflow timeout"; then
1873 pm_nl_set_limits $ns1 0 2
1874 pm_nl_set_limits $ns2 0 2
1875 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1876 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1877 filter_tcp_from $ns1 10.0.3.2 DROP
1878 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1882 # multiple subflows, check that the endpoint corresponding to
1883 # closed subflow (due to reset) is not reused if additional
1884 # subflows are added later
1885 if reset "multi subflows, fair usage on close"; then
1886 pm_nl_set_limits $ns1 0 1
1887 pm_nl_set_limits $ns2 0 1
1888 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1889 filter_tcp_from $ns1 10.0.3.2 REJECT
1890 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
1892 # mpj subflow will be in TW after the reset
1893 wait_attempt_fail $ns2
1894 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1897 # additional subflow could be created only if the PM select
1898 # the later endpoint, skipping the already used one
1903 signal_address_tests()
1905 # add_address, unused
1906 if reset "unused signal address"; then
1907 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1908 run_tests $ns1 $ns2 10.0.1.1
1913 # accept and use add_addr
1914 if reset "signal address"; then
1915 pm_nl_set_limits $ns1 0 1
1916 pm_nl_set_limits $ns2 1 1
1917 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1918 run_tests $ns1 $ns2 10.0.1.1
1923 # accept and use add_addr with an additional subflow
1924 # note: signal address in server ns and local addresses in client ns must
1925 # belong to different subnets or one of the listed local address could be
1926 # used for 'add_addr' subflow
1927 if reset "subflow and signal"; then
1928 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1929 pm_nl_set_limits $ns1 0 2
1930 pm_nl_set_limits $ns2 1 2
1931 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1932 run_tests $ns1 $ns2 10.0.1.1
1937 # accept and use add_addr with additional subflows
1938 if reset "multiple subflows and signal"; then
1939 pm_nl_set_limits $ns1 0 3
1940 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1941 pm_nl_set_limits $ns2 1 3
1942 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1943 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
1944 run_tests $ns1 $ns2 10.0.1.1
1950 if reset "signal addresses"; then
1951 pm_nl_set_limits $ns1 3 3
1952 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1953 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1954 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
1955 pm_nl_set_limits $ns2 3 3
1956 run_tests $ns1 $ns2 10.0.1.1
1961 # signal invalid addresses
1962 if reset "signal invalid addresses"; then
1963 pm_nl_set_limits $ns1 3 3
1964 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
1965 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1966 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
1967 pm_nl_set_limits $ns2 3 3
1968 run_tests $ns1 $ns2 10.0.1.1
1973 # signal addresses race test
1974 if reset "signal addresses race test"; then
1975 pm_nl_set_limits $ns1 4 4
1976 pm_nl_set_limits $ns2 4 4
1977 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
1978 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1979 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1980 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
1981 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
1982 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
1983 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
1984 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
1986 # the peer could possibly miss some addr notification, allow retransmission
1987 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
1988 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1991 # the server will not signal the address terminating
1997 link_failure_tests()
1999 # accept and use add_addr with additional subflows and link loss
2000 if reset "multiple flows, signal, link failure"; then
2001 # without any b/w limit each veth could spool the packets and get
2002 # them acked at xmit time, so that the corresponding subflow will
2003 # have almost always no outstanding pkts, the scheduler will pick
2004 # always the first subflow and we will have hard time testing
2005 # active backup and link switch-over.
2006 # Let's set some arbitrary (low) virtual link limits.
2008 pm_nl_set_limits $ns1 0 3
2009 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2010 pm_nl_set_limits $ns2 1 3
2011 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2012 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2013 run_tests $ns1 $ns2 10.0.1.1 1
2016 chk_stale_nr $ns2 1 5 1
2019 # accept and use add_addr with additional subflows and link loss
2020 # for bidirectional transfer
2021 if reset "multi flows, signal, bidi, link fail"; then
2023 pm_nl_set_limits $ns1 0 3
2024 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2025 pm_nl_set_limits $ns2 1 3
2026 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2027 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2028 run_tests $ns1 $ns2 10.0.1.1 2
2031 chk_stale_nr $ns2 1 -1 1
2034 # 2 subflows plus 1 backup subflow with a lossy link, backup
2035 # will never be used
2036 if reset "backup subflow unused, link failure"; then
2038 pm_nl_set_limits $ns1 0 2
2039 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2040 pm_nl_set_limits $ns2 1 2
2042 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2043 run_tests $ns1 $ns2 10.0.1.1 1
2046 chk_link_usage $ns2 ns2eth3 $cinsent 0
2049 # 2 lossy links after half transfer, backup will get half of
2051 if reset "backup flow used, multi links fail"; then
2053 pm_nl_set_limits $ns1 0 2
2054 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2055 pm_nl_set_limits $ns2 1 2
2056 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2058 run_tests $ns1 $ns2 10.0.1.1 1
2061 chk_stale_nr $ns2 2 4 2
2062 chk_link_usage $ns2 ns2eth3 $cinsent 50
2065 # use a backup subflow with the first subflow on a lossy link
2066 # for bidirectional transfer
2067 if reset "backup flow used, bidi, link failure"; then
2069 pm_nl_set_limits $ns1 0 2
2070 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2071 pm_nl_set_limits $ns2 1 3
2072 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2074 run_tests $ns1 $ns2 10.0.1.1 2
2077 chk_stale_nr $ns2 1 -1 2
2078 chk_link_usage $ns2 ns2eth3 $cinsent 50
2082 add_addr_timeout_tests()
2085 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2086 pm_nl_set_limits $ns1 0 1
2087 pm_nl_set_limits $ns2 1 1
2088 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2089 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2094 # add_addr timeout IPv6
2095 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2096 pm_nl_set_limits $ns1 0 1
2097 pm_nl_set_limits $ns2 1 1
2098 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2099 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2104 # signal addresses timeout
2105 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2106 pm_nl_set_limits $ns1 2 2
2107 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2108 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2109 pm_nl_set_limits $ns2 2 2
2110 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2115 # signal invalid addresses timeout
2116 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2117 pm_nl_set_limits $ns1 2 2
2118 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2119 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2120 pm_nl_set_limits $ns2 2 2
2121 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2129 # single subflow, remove
2130 if reset "remove single subflow"; then
2131 pm_nl_set_limits $ns1 0 1
2132 pm_nl_set_limits $ns2 0 1
2133 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2134 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2139 # multiple subflows, remove
2140 if reset "remove multiple subflows"; then
2141 pm_nl_set_limits $ns1 0 2
2142 pm_nl_set_limits $ns2 0 2
2143 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2144 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2145 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
2150 # single address, remove
2151 if reset "remove single address"; then
2152 pm_nl_set_limits $ns1 0 1
2153 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2154 pm_nl_set_limits $ns2 1 1
2155 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2158 chk_rm_nr 1 1 invert
2161 # subflow and signal, remove
2162 if reset "remove subflow and signal"; then
2163 pm_nl_set_limits $ns1 0 2
2164 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2165 pm_nl_set_limits $ns2 1 2
2166 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2167 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2173 # subflows and signal, remove
2174 if reset "remove subflows and signal"; then
2175 pm_nl_set_limits $ns1 0 3
2176 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2177 pm_nl_set_limits $ns2 1 3
2178 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2179 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2180 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 speed_10
2187 if reset "remove addresses"; then
2188 pm_nl_set_limits $ns1 3 3
2189 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2190 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2191 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2192 pm_nl_set_limits $ns2 3 3
2193 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2196 chk_rm_nr 3 3 invert
2199 # invalid addresses remove
2200 if reset "remove invalid addresses"; then
2201 pm_nl_set_limits $ns1 3 3
2202 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2203 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2204 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2205 pm_nl_set_limits $ns2 3 3
2206 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2209 chk_rm_nr 3 1 invert
2212 # subflows and signal, flush
2213 if reset "flush subflows and signal"; then
2214 pm_nl_set_limits $ns1 0 3
2215 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2216 pm_nl_set_limits $ns2 1 3
2217 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2218 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2219 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2222 chk_rm_nr 1 3 invert simult
2226 if reset "flush subflows"; then
2227 pm_nl_set_limits $ns1 3 3
2228 pm_nl_set_limits $ns2 3 3
2229 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2230 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2231 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2232 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2234 chk_rm_nr 0 3 simult
2238 if reset "flush addresses"; then
2239 pm_nl_set_limits $ns1 3 3
2240 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2241 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2242 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2243 pm_nl_set_limits $ns2 3 3
2244 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2247 chk_rm_nr 3 3 invert simult
2250 # invalid addresses flush
2251 if reset "flush invalid addresses"; then
2252 pm_nl_set_limits $ns1 3 3
2253 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2254 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2255 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2256 pm_nl_set_limits $ns2 3 3
2257 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
2260 chk_rm_nr 3 1 invert
2263 # remove id 0 subflow
2264 if reset "remove id 0 subflow"; then
2265 pm_nl_set_limits $ns1 0 1
2266 pm_nl_set_limits $ns2 0 1
2267 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2268 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow
2273 # remove id 0 address
2274 if reset "remove id 0 address"; then
2275 pm_nl_set_limits $ns1 0 1
2276 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2277 pm_nl_set_limits $ns2 1 1
2278 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
2281 chk_rm_nr 1 1 invert
2287 # add single subflow
2288 if reset "add single subflow"; then
2289 pm_nl_set_limits $ns1 0 1
2290 pm_nl_set_limits $ns2 0 1
2291 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
2295 # add signal address
2296 if reset "add signal address"; then
2297 pm_nl_set_limits $ns1 0 1
2298 pm_nl_set_limits $ns2 1 1
2299 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2304 # add multiple subflows
2305 if reset "add multiple subflows"; then
2306 pm_nl_set_limits $ns1 0 2
2307 pm_nl_set_limits $ns2 0 2
2308 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
2312 # add multiple subflows IPv6
2313 if reset "add multiple subflows IPv6"; then
2314 pm_nl_set_limits $ns1 0 2
2315 pm_nl_set_limits $ns2 0 2
2316 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
2320 # add multiple addresses IPv6
2321 if reset "add multiple addresses IPv6"; then
2322 pm_nl_set_limits $ns1 0 2
2323 pm_nl_set_limits $ns2 2 2
2324 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
2333 if reset "single subflow IPv6"; then
2334 pm_nl_set_limits $ns1 0 1
2335 pm_nl_set_limits $ns2 0 1
2336 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2337 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2341 # add_address, unused IPv6
2342 if reset "unused signal address IPv6"; then
2343 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2344 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2349 # signal address IPv6
2350 if reset "single address IPv6"; then
2351 pm_nl_set_limits $ns1 0 1
2352 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2353 pm_nl_set_limits $ns2 1 1
2354 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2359 # single address IPv6, remove
2360 if reset "remove single address IPv6"; then
2361 pm_nl_set_limits $ns1 0 1
2362 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2363 pm_nl_set_limits $ns2 1 1
2364 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
2367 chk_rm_nr 1 1 invert
2370 # subflow and signal IPv6, remove
2371 if reset "remove subflow and signal IPv6"; then
2372 pm_nl_set_limits $ns1 0 2
2373 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2374 pm_nl_set_limits $ns2 1 2
2375 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2376 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
2385 # subflow IPv4-mapped to IPv4-mapped
2386 if reset "single subflow IPv4-mapped"; then
2387 pm_nl_set_limits $ns1 0 1
2388 pm_nl_set_limits $ns2 0 1
2389 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2390 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2394 # signal address IPv4-mapped with IPv4-mapped sk
2395 if reset "signal address IPv4-mapped"; then
2396 pm_nl_set_limits $ns1 0 1
2397 pm_nl_set_limits $ns2 1 1
2398 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2399 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2405 if reset "single subflow v4-map-v6"; then
2406 pm_nl_set_limits $ns1 0 1
2407 pm_nl_set_limits $ns2 0 1
2408 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2409 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2413 # signal address v4-map-v6
2414 if reset "signal address v4-map-v6"; then
2415 pm_nl_set_limits $ns1 0 1
2416 pm_nl_set_limits $ns2 1 1
2417 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2418 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2424 if reset "single subflow v6-map-v4"; then
2425 pm_nl_set_limits $ns1 0 1
2426 pm_nl_set_limits $ns2 0 1
2427 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2428 run_tests $ns1 $ns2 10.0.1.1
2432 # signal address v6-map-v4
2433 if reset "signal address v6-map-v4"; then
2434 pm_nl_set_limits $ns1 0 1
2435 pm_nl_set_limits $ns2 1 1
2436 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2437 run_tests $ns1 $ns2 10.0.1.1
2442 # no subflow IPv6 to v4 address
2443 if reset "no JOIN with diff families v4-v6"; then
2444 pm_nl_set_limits $ns1 0 1
2445 pm_nl_set_limits $ns2 0 1
2446 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2447 run_tests $ns1 $ns2 10.0.1.1
2451 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2452 if reset "no JOIN with diff families v4-v6-2"; then
2453 pm_nl_set_limits $ns1 0 1
2454 pm_nl_set_limits $ns2 0 1
2455 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2456 run_tests $ns1 $ns2 10.0.1.1
2460 # no subflow IPv4 to v6 address, no need to slow down too then
2461 if reset "no JOIN with diff families v6-v4"; then
2462 pm_nl_set_limits $ns1 0 1
2463 pm_nl_set_limits $ns2 0 1
2464 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2465 run_tests $ns1 $ns2 dead:beef:1::1
2472 # single subflow, backup
2473 if reset "single subflow, backup"; then
2474 pm_nl_set_limits $ns1 0 1
2475 pm_nl_set_limits $ns2 0 1
2476 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2477 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
2482 # single address, backup
2483 if reset "single address, backup"; then
2484 pm_nl_set_limits $ns1 0 1
2485 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2486 pm_nl_set_limits $ns2 1 1
2487 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2493 # single address with port, backup
2494 if reset "single address with port, backup"; then
2495 pm_nl_set_limits $ns1 0 1
2496 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2497 pm_nl_set_limits $ns2 1 1
2498 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2504 if reset "mpc backup"; then
2505 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2506 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2511 if reset "mpc backup both sides"; then
2512 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2513 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2514 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2519 if reset "mpc switch to backup"; then
2520 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2521 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2526 if reset "mpc switch to backup both sides"; then
2527 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2528 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2529 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2535 add_addr_ports_tests()
2537 # signal address with port
2538 if reset "signal address with port"; then
2539 pm_nl_set_limits $ns1 0 1
2540 pm_nl_set_limits $ns2 1 1
2541 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2542 run_tests $ns1 $ns2 10.0.1.1
2547 # subflow and signal with port
2548 if reset "subflow and signal with port"; then
2549 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2550 pm_nl_set_limits $ns1 0 2
2551 pm_nl_set_limits $ns2 1 2
2552 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2553 run_tests $ns1 $ns2 10.0.1.1
2558 # single address with port, remove
2559 if reset "remove single address with port"; then
2560 pm_nl_set_limits $ns1 0 1
2561 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2562 pm_nl_set_limits $ns2 1 1
2563 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2566 chk_rm_nr 1 1 invert
2569 # subflow and signal with port, remove
2570 if reset "remove subflow and signal with port"; then
2571 pm_nl_set_limits $ns1 0 2
2572 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2573 pm_nl_set_limits $ns2 1 2
2574 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2575 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2581 # subflows and signal with port, flush
2582 if reset "flush subflows and signal with port"; then
2583 pm_nl_set_limits $ns1 0 3
2584 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2585 pm_nl_set_limits $ns2 1 3
2586 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2587 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2588 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
2591 chk_rm_nr 1 3 invert simult
2594 # multiple addresses with port
2595 if reset "multiple addresses with port"; then
2596 pm_nl_set_limits $ns1 2 2
2597 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2598 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2599 pm_nl_set_limits $ns2 2 2
2600 run_tests $ns1 $ns2 10.0.1.1
2605 # multiple addresses with ports
2606 if reset "multiple addresses with ports"; then
2607 pm_nl_set_limits $ns1 2 2
2608 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2609 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2610 pm_nl_set_limits $ns2 2 2
2611 run_tests $ns1 $ns2 10.0.1.1
2619 # single subflow, syncookies
2620 if reset_with_cookies "single subflow with syn cookies"; then
2621 pm_nl_set_limits $ns1 0 1
2622 pm_nl_set_limits $ns2 0 1
2623 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2624 run_tests $ns1 $ns2 10.0.1.1
2628 # multiple subflows with syn cookies
2629 if reset_with_cookies "multiple subflows with syn cookies"; then
2630 pm_nl_set_limits $ns1 0 2
2631 pm_nl_set_limits $ns2 0 2
2632 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2633 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2634 run_tests $ns1 $ns2 10.0.1.1
2638 # multiple subflows limited by server
2639 if reset_with_cookies "subflows limited by server w cookies"; then
2640 pm_nl_set_limits $ns1 0 1
2641 pm_nl_set_limits $ns2 0 2
2642 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2643 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2644 run_tests $ns1 $ns2 10.0.1.1
2648 # test signal address with cookies
2649 if reset_with_cookies "signal address with syn cookies"; then
2650 pm_nl_set_limits $ns1 0 1
2651 pm_nl_set_limits $ns2 1 1
2652 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2653 run_tests $ns1 $ns2 10.0.1.1
2658 # test cookie with subflow and signal
2659 if reset_with_cookies "subflow and signal w cookies"; then
2660 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2661 pm_nl_set_limits $ns1 0 2
2662 pm_nl_set_limits $ns2 1 2
2663 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2664 run_tests $ns1 $ns2 10.0.1.1
2669 # accept and use add_addr with additional subflows
2670 if reset_with_cookies "subflows and signal w. cookies"; then
2671 pm_nl_set_limits $ns1 0 3
2672 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2673 pm_nl_set_limits $ns2 1 3
2674 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2675 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2676 run_tests $ns1 $ns2 10.0.1.1
2685 if reset_with_checksum 0 0; then
2686 pm_nl_set_limits $ns1 0 1
2687 pm_nl_set_limits $ns2 0 1
2688 run_tests $ns1 $ns2 10.0.1.1
2693 if reset_with_checksum 1 1; then
2694 pm_nl_set_limits $ns1 0 1
2695 pm_nl_set_limits $ns2 0 1
2696 run_tests $ns1 $ns2 10.0.1.1
2701 if reset_with_checksum 0 1; then
2702 pm_nl_set_limits $ns1 0 1
2703 pm_nl_set_limits $ns2 0 1
2704 run_tests $ns1 $ns2 10.0.1.1
2709 if reset_with_checksum 1 0; then
2710 pm_nl_set_limits $ns1 0 1
2711 pm_nl_set_limits $ns2 0 1
2712 run_tests $ns1 $ns2 10.0.1.1
2717 deny_join_id0_tests()
2719 # subflow allow join id0 ns1
2720 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
2721 pm_nl_set_limits $ns1 1 1
2722 pm_nl_set_limits $ns2 1 1
2723 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2724 run_tests $ns1 $ns2 10.0.1.1
2728 # subflow allow join id0 ns2
2729 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
2730 pm_nl_set_limits $ns1 1 1
2731 pm_nl_set_limits $ns2 1 1
2732 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2733 run_tests $ns1 $ns2 10.0.1.1
2737 # signal address allow join id0 ns1
2738 # ADD_ADDRs are not affected by allow_join_id0 value.
2739 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
2740 pm_nl_set_limits $ns1 1 1
2741 pm_nl_set_limits $ns2 1 1
2742 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2743 run_tests $ns1 $ns2 10.0.1.1
2748 # signal address allow join id0 ns2
2749 # ADD_ADDRs are not affected by allow_join_id0 value.
2750 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
2751 pm_nl_set_limits $ns1 1 1
2752 pm_nl_set_limits $ns2 1 1
2753 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2754 run_tests $ns1 $ns2 10.0.1.1
2759 # subflow and address allow join id0 ns1
2760 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
2761 pm_nl_set_limits $ns1 2 2
2762 pm_nl_set_limits $ns2 2 2
2763 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2764 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2765 run_tests $ns1 $ns2 10.0.1.1
2769 # subflow and address allow join id0 ns2
2770 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
2771 pm_nl_set_limits $ns1 2 2
2772 pm_nl_set_limits $ns2 2 2
2773 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2774 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2775 run_tests $ns1 $ns2 10.0.1.1
2783 # 2 fullmesh addrs in ns2, added before the connection,
2784 # 1 non-fullmesh addr in ns1, added during the connection.
2785 if reset "fullmesh test 2x1"; then
2786 pm_nl_set_limits $ns1 0 4
2787 pm_nl_set_limits $ns2 1 4
2788 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
2789 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
2790 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2796 # 1 non-fullmesh addr in ns1, added before the connection,
2797 # 1 fullmesh addr in ns2, added during the connection.
2798 if reset "fullmesh test 1x1"; then
2799 pm_nl_set_limits $ns1 1 3
2800 pm_nl_set_limits $ns2 1 3
2801 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2802 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
2808 # 1 non-fullmesh addr in ns1, added before the connection,
2809 # 2 fullmesh addrs in ns2, added during the connection.
2810 if reset "fullmesh test 1x2"; then
2811 pm_nl_set_limits $ns1 2 5
2812 pm_nl_set_limits $ns2 1 5
2813 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2814 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2820 # 1 non-fullmesh addr in ns1, added before the connection,
2821 # 2 fullmesh addrs in ns2, added during the connection,
2822 # limit max_subflows to 4.
2823 if reset "fullmesh test 1x2, limited"; then
2824 pm_nl_set_limits $ns1 2 4
2825 pm_nl_set_limits $ns2 1 4
2826 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2827 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2833 if reset "set fullmesh flag test"; then
2834 pm_nl_set_limits $ns1 4 4
2835 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2836 pm_nl_set_limits $ns2 4 4
2837 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
2842 # set nofullmesh flag
2843 if reset "set nofullmesh flag test"; then
2844 pm_nl_set_limits $ns1 4 4
2845 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
2846 pm_nl_set_limits $ns2 4 4
2847 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
2852 # set backup,fullmesh flags
2853 if reset "set backup,fullmesh flags test"; then
2854 pm_nl_set_limits $ns1 4 4
2855 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2856 pm_nl_set_limits $ns2 4 4
2857 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
2863 # set nobackup,nofullmesh flags
2864 if reset "set nobackup,nofullmesh flags test"; then
2865 pm_nl_set_limits $ns1 4 4
2866 pm_nl_set_limits $ns2 4 4
2867 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
2868 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
2877 if reset "fastclose test"; then
2878 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
2881 chk_rst_nr 1 1 invert
2884 if reset "fastclose server test"; then
2885 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
2887 chk_fclose_nr 1 1 invert
2894 tc -n $ns2 -j -s action show action pedit index 100 | \
2896 sed 's/.*"packets":\([0-9]\+\),.*/\1/'
2902 if reset_with_fail "Infinite map" 1; then
2903 run_tests $ns1 $ns2 10.0.1.1 128
2904 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
2905 chk_fail_nr 1 -1 invert
2909 if reset_with_fail "MP_FAIL MP_RST" 2; then
2910 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
2911 pm_nl_set_limits $ns1 0 1
2912 pm_nl_set_limits $ns2 0 1
2913 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
2914 run_tests $ns1 $ns2 10.0.1.1 1024
2915 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
2921 # userspace pm type prevents add_addr
2922 if reset "userspace pm type prevents add_addr"; then
2923 set_userspace_pm $ns1
2924 pm_nl_set_limits $ns1 0 2
2925 pm_nl_set_limits $ns2 0 2
2926 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2927 run_tests $ns1 $ns2 10.0.1.1
2932 # userspace pm type does not echo add_addr without daemon
2933 if reset "userspace pm no echo w/o daemon"; then
2934 set_userspace_pm $ns2
2935 pm_nl_set_limits $ns1 0 2
2936 pm_nl_set_limits $ns2 0 2
2937 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2938 run_tests $ns1 $ns2 10.0.1.1
2943 # userspace pm type rejects join
2944 if reset "userspace pm type rejects join"; then
2945 set_userspace_pm $ns1
2946 pm_nl_set_limits $ns1 1 1
2947 pm_nl_set_limits $ns2 1 1
2948 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2949 run_tests $ns1 $ns2 10.0.1.1
2953 # userspace pm type does not send join
2954 if reset "userspace pm type does not send join"; then
2955 set_userspace_pm $ns2
2956 pm_nl_set_limits $ns1 1 1
2957 pm_nl_set_limits $ns2 1 1
2958 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2959 run_tests $ns1 $ns2 10.0.1.1
2963 # userspace pm type prevents mp_prio
2964 if reset "userspace pm type prevents mp_prio"; then
2965 set_userspace_pm $ns1
2966 pm_nl_set_limits $ns1 1 1
2967 pm_nl_set_limits $ns2 1 1
2968 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2969 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2974 # userspace pm type prevents rm_addr
2975 if reset "userspace pm type prevents rm_addr"; then
2976 set_userspace_pm $ns1
2977 set_userspace_pm $ns2
2978 pm_nl_set_limits $ns1 0 1
2979 pm_nl_set_limits $ns2 0 1
2980 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2981 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2986 # userspace pm add & remove address
2987 if reset "userspace pm add & remove address"; then
2988 set_userspace_pm $ns1
2989 pm_nl_set_limits $ns2 1 1
2990 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
2993 chk_rm_nr 1 1 invert
2996 # userspace pm create destroy subflow
2997 if reset "userspace pm create destroy subflow"; then
2998 set_userspace_pm $ns2
2999 pm_nl_set_limits $ns1 0 1
3000 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
3008 # userspace pm type prevents add_addr
3009 if reset "implicit EP"; then
3010 pm_nl_set_limits $ns1 2 2
3011 pm_nl_set_limits $ns2 2 2
3012 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3013 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2>/dev/null &
3016 pm_nl_check_endpoint 1 "creation" \
3017 $ns2 10.0.2.2 id 1 flags implicit
3019 pm_nl_add_endpoint $ns2 10.0.2.2 id 33
3020 pm_nl_check_endpoint 0 "ID change is prevented" \
3021 $ns2 10.0.2.2 id 1 flags implicit
3023 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3024 pm_nl_check_endpoint 0 "modif is allowed" \
3025 $ns2 10.0.2.2 id 1 flags signal
3029 if reset "delete and re-add"; then
3030 pm_nl_set_limits $ns1 1 1
3031 pm_nl_set_limits $ns2 1 1
3032 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3033 run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
3036 pm_nl_del_endpoint $ns2 2 10.0.2.2
3038 chk_subflow_nr needtitle "after delete" 1
3040 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3042 chk_subflow_nr "" "after re-add" 2
3047 # [$1: error message]
3050 if [ -n "${1}" ]; then
3055 echo "mptcp_join usage:"
3058 for key in "${!all_tests[@]}"; do
3059 echo " -${key} ${all_tests[${key}]}"
3062 echo " -c capture pcap files"
3063 echo " -C enable data checksum"
3064 echo " -i use ip mptcp"
3067 echo "[test ids|names]"
3073 # Use a "simple" array to force an specific order we cannot have with an associative one
3076 e@subflows_error_tests
3077 s@signal_address_tests
3078 l@link_failure_tests
3079 t@add_addr_timeout_tests
3085 p@add_addr_ports_tests
3088 d@deny_join_id0_tests
3098 for subtests in "${all_tests_sorted[@]}"; do
3099 key="${subtests%@*}"
3100 value="${subtests#*@}"
3102 all_tests_args+="${key}"
3103 all_tests_names+=("${value}")
3104 all_tests[${key}]="${value}"
3108 while getopts "${all_tests_args}cCih" opt; do
3110 ["${all_tests_args}"])
3111 tests+=("${all_tests[${opt}]}")
3126 usage "Unknown option: -${opt}"
3131 shift $((OPTIND - 1))
3133 for arg in "${@}"; do
3134 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3135 only_tests_ids+=("${arg}")
3137 only_tests_names+=("${arg}")
3141 if [ ${#tests[@]} -eq 0 ]; then
3142 tests=("${all_tests_names[@]}")
3145 for subtests in "${tests[@]}"; do
3149 if [ ${ret} -ne 0 ]; then
3151 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3152 for i in $(get_failed_tests_ids); do
3153 echo -e "\t- ${i}: ${failed_tests[${i}]}"