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 $id
854 sp=$(grep "type:10" "$evts_ns1" |
855 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
856 da=$(grep "type:10" "$evts_ns1" |
857 sed -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
858 dp=$(grep "type:10" "$evts_ns1" |
859 sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q')
860 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id
861 ip netns exec ${listener_ns} ./pm_nl_ctl dsf lip "::ffff:$addr" \
862 lport $sp rip $da rport $dp token $tk
865 counter=$((counter + 1))
866 add_nr_ns1=$((add_nr_ns1 - 1))
869 elif [ $addr_nr_ns1 -lt 0 ]; then
870 local rm_nr_ns1=$((-addr_nr_ns1))
871 if [ $rm_nr_ns1 -lt 8 ]; then
874 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
875 # shellcheck disable=SC2206 # we do want to split per word
880 for i in "${arr[@]}"; do
881 if [ $i = "id" ]; then
882 if [ $counter -eq $rm_nr_ns1 ]; then
886 rm_addr=$(rm_addr_count ${connector_ns})
887 pm_nl_del_endpoint ${listener_ns} $id
888 wait_rm_addr ${connector_ns} ${rm_addr}
889 counter=$((counter + 1))
894 elif [ $rm_nr_ns1 -eq 8 ]; then
895 pm_nl_flush_endpoint ${listener_ns}
896 elif [ $rm_nr_ns1 -eq 9 ]; then
897 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
901 # if newly added endpoints must be deleted, give the background msk
902 # some time to created them
903 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
905 if [ $addr_nr_ns2 -gt 0 ]; then
906 local add_nr_ns2=${addr_nr_ns2}
910 while [ $add_nr_ns2 -gt 0 ]; do
912 if is_v6 "${connect_addr}"; then
913 addr="dead:beef:$counter::2"
915 addr="10.0.$counter.2"
917 if [ $userspace_pm -eq 0 ]; then
918 pm_nl_add_endpoint $ns2 $addr flags $flags
920 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
921 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
922 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
923 ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
924 rip $da rport $dp token $tk
926 sp=$(grep "type:10" "$evts_ns2" |
927 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
928 ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
929 rip $da rport $dp token $tk
931 counter=$((counter + 1))
932 add_nr_ns2=$((add_nr_ns2 - 1))
935 elif [ $addr_nr_ns2 -lt 0 ]; then
936 local rm_nr_ns2=$((-addr_nr_ns2))
937 if [ $rm_nr_ns2 -lt 8 ]; then
940 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
941 # shellcheck disable=SC2206 # we do want to split per word
946 for i in "${arr[@]}"; do
947 if [ $i = "id" ]; then
948 if [ $counter -eq $rm_nr_ns2 ]; then
952 # rm_addr are serialized, allow the previous one to
955 rm_addr=$(rm_addr_count ${listener_ns})
956 pm_nl_del_endpoint ${connector_ns} $id
957 wait_rm_addr ${listener_ns} ${rm_addr}
958 counter=$((counter + 1))
963 elif [ $rm_nr_ns2 -eq 8 ]; then
964 pm_nl_flush_endpoint ${connector_ns}
965 elif [ $rm_nr_ns2 -eq 9 ]; then
967 if is_v6 "${connect_addr}"; then
968 addr="dead:beef:1::2"
972 pm_nl_del_endpoint ${connector_ns} 0 $addr
976 if [ -n "${sflags}" ]; then
980 for netns in "$ns1" "$ns2"; do
982 pm_nl_show_endpoints $netns | while read -r line; do
983 # shellcheck disable=SC2206 # we do want to split per word
989 for i in "${arr[@]}"; do
990 if [ $i = "id" ]; then
995 pm_nl_change_endpoint $netns $id $sflags
1005 if [ $capture -eq 1 ]; then
1010 if [ $userspace_pm -eq 1 ]; then
1011 kill_wait $evts_ns1_pid
1012 kill_wait $evts_ns2_pid
1013 rm -rf $evts_ns1 $evts_ns2
1016 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1017 nstat | grep Tcp > /tmp/${listener_ns}.out
1018 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1019 nstat | grep Tcp > /tmp/${connector_ns}.out
1021 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1022 echo " client exit code $retc, server $rets" 1>&2
1023 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1024 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1025 cat /tmp/${listener_ns}.out
1026 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1027 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1028 cat /tmp/${connector_ns}.out
1035 if [ "$test_link_fail" -gt 1 ];then
1036 check_transfer $sinfail $cout "file received by client" $trunc_size
1038 check_transfer $sin $cout "file received by client" $trunc_size
1041 if [ "$test_link_fail" -eq 0 ];then
1042 check_transfer $cin $sout "file received by server" $trunc_size
1044 check_transfer $cinsent $sout "file received by server" $trunc_size
1048 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1063 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
1064 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
1066 echo "Created $name (size $size KB) containing data sent by $who"
1071 local listener_ns="$1"
1072 local connector_ns="$2"
1073 local connect_addr="$3"
1074 local test_linkfail="${4:-0}"
1075 local addr_nr_ns1="${5:-0}"
1076 local addr_nr_ns2="${6:-0}"
1077 local speed="${7:-fast}"
1078 local sflags="${8:-""}"
1082 # The values above 2 are reused to make test files
1083 # with the given sizes (KB)
1084 if [ "$test_linkfail" -gt 2 ]; then
1087 if [ -z "$cinfail" ]; then
1090 make_file "$cinfail" "client" $size
1091 # create the input file for the failure test when
1092 # the first failure test run
1093 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1094 # the client file must be considerably larger
1095 # of the maximum expected cwin value, or the
1096 # link utilization will be not predicable
1100 size=$((size + ( RANDOM % 8192) ))
1103 make_file "$cinfail" "client" $size
1106 if [ "$test_linkfail" -gt 2 ]; then
1109 if [ -z "$sinfail" ]; then
1112 make_file "$sinfail" "server" $size
1113 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1119 make_file "$sinfail" "server" $size
1122 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
1123 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags}
1128 echo Server ns stats
1129 ip netns exec $ns1 nstat -as | grep Tcp
1130 echo Client ns stats
1131 ip netns exec $ns2 nstat -as | grep Tcp
1136 local csum_ns1=${1:-0}
1137 local csum_ns2=${2:-0}
1141 local allow_multi_errors_ns1=0
1142 local allow_multi_errors_ns2=0
1144 if [[ "${csum_ns1}" = "+"* ]]; then
1145 allow_multi_errors_ns1=1
1146 csum_ns1=${csum_ns1:1}
1148 if [[ "${csum_ns2}" = "+"* ]]; then
1149 allow_multi_errors_ns2=1
1150 csum_ns2=${csum_ns2:1}
1153 printf "%-${nr_blank}s %s" " " "sum"
1154 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1155 [ -z "$count" ] && count=0
1156 if [ "$count" != "$csum_ns1" ]; then
1157 extra_msg="$extra_msg ns1=$count"
1159 if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1160 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1161 echo "[fail] got $count data checksum error[s] expected $csum_ns1"
1168 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1169 [ -z "$count" ] && count=0
1170 if [ "$count" != "$csum_ns2" ]; then
1171 extra_msg="$extra_msg ns2=$count"
1173 if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1174 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1175 echo "[fail] got $count data checksum error[s] expected $csum_ns2"
1181 [ "${dump_stats}" = 1 ] && dump_stats
1190 local ns_invert=${3:-""}
1196 local allow_tx_lost=0
1197 local allow_rx_lost=0
1199 if [[ $ns_invert = "invert" ]]; then
1205 if [[ "${fail_tx}" = "-"* ]]; then
1207 fail_tx=${fail_tx:1}
1209 if [[ "${fail_rx}" = "-"* ]]; then
1211 fail_rx=${fail_rx:1}
1214 printf "%-${nr_blank}s %s" " " "ftx"
1215 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
1216 [ -z "$count" ] && count=0
1217 if [ "$count" != "$fail_tx" ]; then
1218 extra_msg="$extra_msg,tx=$count"
1220 if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1221 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1222 echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
1230 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
1231 [ -z "$count" ] && count=0
1232 if [ "$count" != "$fail_rx" ]; then
1233 extra_msg="$extra_msg,rx=$count"
1235 if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1236 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1237 echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
1244 [ "${dump_stats}" = 1 ] && dump_stats
1260 if [[ $ns_invert = "invert" ]]; then
1263 extra_msg=${extra_msg}"invert"
1266 printf "%-${nr_blank}s %s" " " "ctx"
1267 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
1268 [ -z "$count" ] && count=0
1269 [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
1270 if [ "$count" != "$fclose_tx" ]; then
1271 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 $fclose_rx"
1290 [ "${dump_stats}" = 1 ] && dump_stats
1299 local ns_invert=${3:-""}
1306 if [[ $ns_invert = "invert" ]]; then
1312 printf "%-${nr_blank}s %s" " " "rtx"
1313 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
1314 [ -z "$count" ] && count=0
1315 if [ $count -lt $rst_tx ]; then
1316 echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
1324 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
1325 [ -z "$count" ] && count=0
1326 if [ "$count" -lt "$rst_rx" ]; then
1327 echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
1334 [ "${dump_stats}" = 1 ] && dump_stats
1346 printf "%-${nr_blank}s %s" " " "itx"
1347 count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
1348 [ -z "$count" ] && count=0
1349 if [ "$count" != "$infi_tx" ]; then
1350 echo "[fail] got $count infinite map[s] TX expected $infi_tx"
1358 count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
1359 [ -z "$count" ] && count=0
1360 if [ "$count" != "$infi_rx" ]; then
1361 echo "[fail] got $count infinite map[s] RX expected $infi_rx"
1368 [ "${dump_stats}" = 1 ] && dump_stats
1376 local csum_ns1=${4:-0}
1377 local csum_ns2=${5:-0}
1378 local fail_nr=${6:-0}
1379 local rst_nr=${7:-0}
1380 local infi_nr=${8:-0}
1381 local corrupted_pkts=${9:-0}
1385 local title="${TEST_NAME}"
1387 if [ "${corrupted_pkts}" -gt 0 ]; then
1388 title+=": ${corrupted_pkts} corrupted pkts"
1391 printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
1392 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}')
1393 [ -z "$count" ] && count=0
1394 if [ "$count" != "$syn_nr" ]; then
1395 echo "[fail] got $count JOIN[s] syn expected $syn_nr"
1403 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1404 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
1405 [ -z "$count" ] && count=0
1406 if [ "$count" != "$syn_ack_nr" ]; then
1407 # simult connections exceeding the limit with cookie enabled could go up to
1408 # synack validation as the conn limit can be enforced reliably only after
1409 # the subflow creation
1410 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1413 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
1422 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}')
1423 [ -z "$count" ] && count=0
1424 if [ "$count" != "$ack_nr" ]; then
1425 echo "[fail] got $count JOIN[s] ack expected $ack_nr"
1431 [ "${dump_stats}" = 1 ] && dump_stats
1432 if [ $validate_checksum -eq 1 ]; then
1433 chk_csum_nr $csum_ns1 $csum_ns2
1434 chk_fail_nr $fail_nr $fail_nr
1435 chk_rst_nr $rst_nr $rst_nr
1436 chk_infi_nr $infi_nr $infi_nr
1440 # a negative value for 'stale_max' means no upper bound:
1441 # for bidirectional transfer, if one peer sleep for a while
1442 # - as these tests do - we can have a quite high number of
1443 # stale/recover conversions, proportional to
1444 # sleep duration/ MPTCP-level RTX interval.
1450 local stale_delta=$4
1455 printf "%-${nr_blank}s %-18s" " " "stale"
1456 stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}')
1457 [ -z "$stale_nr" ] && stale_nr=0
1458 recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}')
1459 [ -z "$recover_nr" ] && recover_nr=0
1461 if [ $stale_nr -lt $stale_min ] ||
1462 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1463 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1464 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
1465 " expected stale in range [$stale_min..$stale_max]," \
1466 " stale-recover delta $stale_delta "
1473 if [ "${dump_stats}" = 1 ]; then
1475 ip netns exec $ns ip -s link show
1476 ip netns exec $ns nstat -as | grep MPTcp
1484 local port_nr=${3:-0}
1485 local syn_nr=${4:-$port_nr}
1486 local syn_ack_nr=${5:-$port_nr}
1487 local ack_nr=${6:-$port_nr}
1488 local mis_syn_nr=${7:-0}
1489 local mis_ack_nr=${8:-0}
1494 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1496 printf "%-${nr_blank}s %s" " " "add"
1497 count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
1498 [ -z "$count" ] && count=0
1500 # if the test configured a short timeout tolerate greater then expected
1501 # add addrs options, due to retransmissions
1502 if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1503 echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
1511 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}')
1512 [ -z "$count" ] && count=0
1513 if [ "$count" != "$echo_nr" ]; then
1514 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
1521 if [ $port_nr -gt 0 ]; then
1523 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}')
1524 [ -z "$count" ] && count=0
1525 if [ "$count" != "$port_nr" ]; then
1526 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
1533 printf "%-${nr_blank}s %s" " " "syn"
1534 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
1536 [ -z "$count" ] && count=0
1537 if [ "$count" != "$syn_nr" ]; then
1538 echo "[fail] got $count JOIN[s] syn with a different \
1539 port-number expected $syn_nr"
1547 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
1549 [ -z "$count" ] && count=0
1550 if [ "$count" != "$syn_ack_nr" ]; then
1551 echo "[fail] got $count JOIN[s] synack with a different \
1552 port-number expected $syn_ack_nr"
1560 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx |
1562 [ -z "$count" ] && count=0
1563 if [ "$count" != "$ack_nr" ]; then
1564 echo "[fail] got $count JOIN[s] ack with a different \
1565 port-number expected $ack_nr"
1572 printf "%-${nr_blank}s %s" " " "syn"
1573 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
1575 [ -z "$count" ] && count=0
1576 if [ "$count" != "$mis_syn_nr" ]; then
1577 echo "[fail] got $count JOIN[s] syn with a mismatched \
1578 port-number expected $mis_syn_nr"
1586 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
1588 [ -z "$count" ] && count=0
1589 if [ "$count" != "$mis_ack_nr" ]; then
1590 echo "[fail] got $count JOIN[s] ack with a mismatched \
1591 port-number expected $mis_ack_nr"
1601 [ "${dump_stats}" = 1 ] && dump_stats
1607 local rm_subflow_nr=$2
1613 local subflow_ns=$ns2
1617 while [ -n "$1" ]; do
1618 [ "$1" = "invert" ] && invert=true
1619 [ "$1" = "simult" ] && simult=true
1623 if [ -z $invert ]; then
1626 elif [ $invert = "true" ]; then
1632 printf "%-${nr_blank}s %s" " " "rm "
1633 count=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}')
1634 [ -z "$count" ] && count=0
1635 if [ "$count" != "$rm_addr_nr" ]; then
1636 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
1644 count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1645 [ -z "$count" ] && count=0
1646 if [ -n "$simult" ]; then
1649 cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1651 # in case of simult flush, the subflow removal count on each side is
1653 [ -z "$cnt" ] && cnt=0
1654 count=$((count + cnt))
1655 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1656 if [ $count -ge "$rm_subflow_nr" ] && \
1657 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1658 echo "[ ok ] $suffix"
1660 echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1666 if [ "$count" != "$rm_subflow_nr" ]; then
1667 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1674 [ "${dump_stats}" = 1 ] && dump_stats
1681 local mp_prio_nr_tx=$1
1682 local mp_prio_nr_rx=$2
1686 printf "%-${nr_blank}s %s" " " "ptx"
1687 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
1688 [ -z "$count" ] && count=0
1689 if [ "$count" != "$mp_prio_nr_tx" ]; then
1690 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1698 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
1699 [ -z "$count" ] && count=0
1700 if [ "$count" != "$mp_prio_nr_rx" ]; then
1701 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1708 [ "${dump_stats}" = 1 ] && dump_stats
1713 local need_title="$1"
1720 if [ -n "${need_title}" ]; then
1721 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
1723 printf "%-${nr_blank}s %s" " " "${msg}"
1726 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1727 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1728 if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then
1729 echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
1736 if [ "${dump_stats}" = 1 ]; then
1738 ss -N $ns1 -tOni | grep token
1739 ip -n $ns1 mptcp endpoint
1749 local expected_rate=$4
1751 local tx_link tx_total
1752 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1753 tx_total=$(stat --format=%s $out)
1754 local tx_rate=$((tx_link * 100 / tx_total))
1757 printf "%-${nr_blank}s %-18s" " " "link usage"
1758 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1759 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1760 echo "[fail] got $tx_rate% usage, expected $expected_rate%"
1769 local timeout_ms=$((timeout_poll * 1000))
1773 while [ $time -lt $timeout_ms ]; do
1776 cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
1778 [ "$cnt" = 1 ] && return 1
1779 time=$((time + 100))
1789 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1794 if reset "no JOIN"; then
1795 run_tests $ns1 $ns2 10.0.1.1
1799 # subflow limited by client
1800 if reset "single subflow, limited by client"; then
1801 pm_nl_set_limits $ns1 0 0
1802 pm_nl_set_limits $ns2 0 0
1803 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1804 run_tests $ns1 $ns2 10.0.1.1
1808 # subflow limited by server
1809 if reset "single subflow, limited by server"; then
1810 pm_nl_set_limits $ns1 0 0
1811 pm_nl_set_limits $ns2 0 1
1812 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1813 run_tests $ns1 $ns2 10.0.1.1
1818 if reset "single subflow"; then
1819 pm_nl_set_limits $ns1 0 1
1820 pm_nl_set_limits $ns2 0 1
1821 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1822 run_tests $ns1 $ns2 10.0.1.1
1827 if reset "multiple subflows"; then
1828 pm_nl_set_limits $ns1 0 2
1829 pm_nl_set_limits $ns2 0 2
1830 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1831 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1832 run_tests $ns1 $ns2 10.0.1.1
1836 # multiple subflows limited by server
1837 if reset "multiple subflows, limited by server"; then
1838 pm_nl_set_limits $ns1 0 1
1839 pm_nl_set_limits $ns2 0 2
1840 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1841 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1842 run_tests $ns1 $ns2 10.0.1.1
1846 # single subflow, dev
1847 if reset "single subflow, dev"; then
1848 pm_nl_set_limits $ns1 0 1
1849 pm_nl_set_limits $ns2 0 1
1850 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
1851 run_tests $ns1 $ns2 10.0.1.1
1856 subflows_error_tests()
1858 # If a single subflow is configured, and matches the MPC src
1859 # address, no additional subflow should be created
1860 if reset "no MPC reuse with single endpoint"; then
1861 pm_nl_set_limits $ns1 0 1
1862 pm_nl_set_limits $ns2 0 1
1863 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
1864 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1868 # multiple subflows, with subflow creation error
1869 if reset "multi subflows, with failing subflow"; then
1870 pm_nl_set_limits $ns1 0 2
1871 pm_nl_set_limits $ns2 0 2
1872 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1873 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1874 filter_tcp_from $ns1 10.0.3.2 REJECT
1875 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1879 # multiple subflows, with subflow timeout on MPJ
1880 if reset "multi subflows, with subflow timeout"; then
1881 pm_nl_set_limits $ns1 0 2
1882 pm_nl_set_limits $ns2 0 2
1883 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1884 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1885 filter_tcp_from $ns1 10.0.3.2 DROP
1886 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1890 # multiple subflows, check that the endpoint corresponding to
1891 # closed subflow (due to reset) is not reused if additional
1892 # subflows are added later
1893 if reset "multi subflows, fair usage on close"; then
1894 pm_nl_set_limits $ns1 0 1
1895 pm_nl_set_limits $ns2 0 1
1896 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1897 filter_tcp_from $ns1 10.0.3.2 REJECT
1898 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
1900 # mpj subflow will be in TW after the reset
1901 wait_attempt_fail $ns2
1902 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1905 # additional subflow could be created only if the PM select
1906 # the later endpoint, skipping the already used one
1911 signal_address_tests()
1913 # add_address, unused
1914 if reset "unused signal address"; then
1915 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1916 run_tests $ns1 $ns2 10.0.1.1
1921 # accept and use add_addr
1922 if reset "signal address"; then
1923 pm_nl_set_limits $ns1 0 1
1924 pm_nl_set_limits $ns2 1 1
1925 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1926 run_tests $ns1 $ns2 10.0.1.1
1931 # accept and use add_addr with an additional subflow
1932 # note: signal address in server ns and local addresses in client ns must
1933 # belong to different subnets or one of the listed local address could be
1934 # used for 'add_addr' subflow
1935 if reset "subflow and signal"; then
1936 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1937 pm_nl_set_limits $ns1 0 2
1938 pm_nl_set_limits $ns2 1 2
1939 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1940 run_tests $ns1 $ns2 10.0.1.1
1945 # accept and use add_addr with additional subflows
1946 if reset "multiple subflows and signal"; then
1947 pm_nl_set_limits $ns1 0 3
1948 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1949 pm_nl_set_limits $ns2 1 3
1950 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1951 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
1952 run_tests $ns1 $ns2 10.0.1.1
1958 if reset "signal addresses"; then
1959 pm_nl_set_limits $ns1 3 3
1960 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1961 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1962 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
1963 pm_nl_set_limits $ns2 3 3
1964 run_tests $ns1 $ns2 10.0.1.1
1969 # signal invalid addresses
1970 if reset "signal invalid addresses"; then
1971 pm_nl_set_limits $ns1 3 3
1972 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
1973 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1974 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
1975 pm_nl_set_limits $ns2 3 3
1976 run_tests $ns1 $ns2 10.0.1.1
1981 # signal addresses race test
1982 if reset "signal addresses race test"; then
1983 pm_nl_set_limits $ns1 4 4
1984 pm_nl_set_limits $ns2 4 4
1985 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
1986 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1987 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1988 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
1989 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
1990 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
1991 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
1992 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
1994 # the peer could possibly miss some addr notification, allow retransmission
1995 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
1996 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1999 # the server will not signal the address terminating
2005 link_failure_tests()
2007 # accept and use add_addr with additional subflows and link loss
2008 if reset "multiple flows, signal, link failure"; then
2009 # without any b/w limit each veth could spool the packets and get
2010 # them acked at xmit time, so that the corresponding subflow will
2011 # have almost always no outstanding pkts, the scheduler will pick
2012 # always the first subflow and we will have hard time testing
2013 # active backup and link switch-over.
2014 # Let's set some arbitrary (low) virtual link limits.
2016 pm_nl_set_limits $ns1 0 3
2017 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2018 pm_nl_set_limits $ns2 1 3
2019 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2020 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2021 run_tests $ns1 $ns2 10.0.1.1 1
2024 chk_stale_nr $ns2 1 5 1
2027 # accept and use add_addr with additional subflows and link loss
2028 # for bidirectional transfer
2029 if reset "multi flows, signal, bidi, link fail"; then
2031 pm_nl_set_limits $ns1 0 3
2032 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2033 pm_nl_set_limits $ns2 1 3
2034 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2035 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2036 run_tests $ns1 $ns2 10.0.1.1 2
2039 chk_stale_nr $ns2 1 -1 1
2042 # 2 subflows plus 1 backup subflow with a lossy link, backup
2043 # will never be used
2044 if reset "backup subflow unused, link failure"; then
2046 pm_nl_set_limits $ns1 0 2
2047 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2048 pm_nl_set_limits $ns2 1 2
2050 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2051 run_tests $ns1 $ns2 10.0.1.1 1
2054 chk_link_usage $ns2 ns2eth3 $cinsent 0
2057 # 2 lossy links after half transfer, backup will get half of
2059 if reset "backup flow used, multi links fail"; then
2061 pm_nl_set_limits $ns1 0 2
2062 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2063 pm_nl_set_limits $ns2 1 2
2064 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2066 run_tests $ns1 $ns2 10.0.1.1 1
2069 chk_stale_nr $ns2 2 4 2
2070 chk_link_usage $ns2 ns2eth3 $cinsent 50
2073 # use a backup subflow with the first subflow on a lossy link
2074 # for bidirectional transfer
2075 if reset "backup flow used, bidi, link failure"; then
2077 pm_nl_set_limits $ns1 0 2
2078 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2079 pm_nl_set_limits $ns2 1 3
2080 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2082 run_tests $ns1 $ns2 10.0.1.1 2
2085 chk_stale_nr $ns2 1 -1 2
2086 chk_link_usage $ns2 ns2eth3 $cinsent 50
2090 add_addr_timeout_tests()
2093 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2094 pm_nl_set_limits $ns1 0 1
2095 pm_nl_set_limits $ns2 1 1
2096 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2097 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2102 # add_addr timeout IPv6
2103 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2104 pm_nl_set_limits $ns1 0 1
2105 pm_nl_set_limits $ns2 1 1
2106 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2107 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2112 # signal addresses timeout
2113 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2114 pm_nl_set_limits $ns1 2 2
2115 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2116 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2117 pm_nl_set_limits $ns2 2 2
2118 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2123 # signal invalid addresses timeout
2124 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2125 pm_nl_set_limits $ns1 2 2
2126 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2127 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2128 pm_nl_set_limits $ns2 2 2
2129 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2137 # single subflow, remove
2138 if reset "remove single subflow"; then
2139 pm_nl_set_limits $ns1 0 1
2140 pm_nl_set_limits $ns2 0 1
2141 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2142 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2147 # multiple subflows, remove
2148 if reset "remove multiple subflows"; then
2149 pm_nl_set_limits $ns1 0 2
2150 pm_nl_set_limits $ns2 0 2
2151 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2152 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2153 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
2158 # single address, remove
2159 if reset "remove single address"; then
2160 pm_nl_set_limits $ns1 0 1
2161 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2162 pm_nl_set_limits $ns2 1 1
2163 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2166 chk_rm_nr 1 1 invert
2169 # subflow and signal, remove
2170 if reset "remove subflow and signal"; then
2171 pm_nl_set_limits $ns1 0 2
2172 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2173 pm_nl_set_limits $ns2 1 2
2174 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2175 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2181 # subflows and signal, remove
2182 if reset "remove subflows and signal"; then
2183 pm_nl_set_limits $ns1 0 3
2184 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2185 pm_nl_set_limits $ns2 1 3
2186 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2187 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2188 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 speed_10
2195 if reset "remove addresses"; then
2196 pm_nl_set_limits $ns1 3 3
2197 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2198 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2199 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2200 pm_nl_set_limits $ns2 3 3
2201 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2204 chk_rm_nr 3 3 invert
2207 # invalid addresses remove
2208 if reset "remove invalid addresses"; then
2209 pm_nl_set_limits $ns1 3 3
2210 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2211 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2212 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2213 pm_nl_set_limits $ns2 3 3
2214 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2217 chk_rm_nr 3 1 invert
2220 # subflows and signal, flush
2221 if reset "flush subflows and signal"; then
2222 pm_nl_set_limits $ns1 0 3
2223 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2224 pm_nl_set_limits $ns2 1 3
2225 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2226 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2227 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2230 chk_rm_nr 1 3 invert simult
2234 if reset "flush subflows"; then
2235 pm_nl_set_limits $ns1 3 3
2236 pm_nl_set_limits $ns2 3 3
2237 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2238 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2239 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2240 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2242 chk_rm_nr 0 3 simult
2246 if reset "flush 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 -8 -8 slow
2255 chk_rm_nr 3 3 invert simult
2258 # invalid addresses flush
2259 if reset "flush 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 -8 0 slow
2268 chk_rm_nr 3 1 invert
2271 # remove id 0 subflow
2272 if reset "remove id 0 subflow"; then
2273 pm_nl_set_limits $ns1 0 1
2274 pm_nl_set_limits $ns2 0 1
2275 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2276 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow
2281 # remove id 0 address
2282 if reset "remove id 0 address"; then
2283 pm_nl_set_limits $ns1 0 1
2284 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2285 pm_nl_set_limits $ns2 1 1
2286 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
2289 chk_rm_nr 1 1 invert
2295 # add single subflow
2296 if reset "add single subflow"; then
2297 pm_nl_set_limits $ns1 0 1
2298 pm_nl_set_limits $ns2 0 1
2299 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
2303 # add signal address
2304 if reset "add signal address"; then
2305 pm_nl_set_limits $ns1 0 1
2306 pm_nl_set_limits $ns2 1 1
2307 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2312 # add multiple subflows
2313 if reset "add multiple subflows"; then
2314 pm_nl_set_limits $ns1 0 2
2315 pm_nl_set_limits $ns2 0 2
2316 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
2320 # add multiple subflows IPv6
2321 if reset "add multiple subflows IPv6"; then
2322 pm_nl_set_limits $ns1 0 2
2323 pm_nl_set_limits $ns2 0 2
2324 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
2328 # add multiple addresses IPv6
2329 if reset "add multiple addresses IPv6"; then
2330 pm_nl_set_limits $ns1 0 2
2331 pm_nl_set_limits $ns2 2 2
2332 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
2341 if reset "single subflow IPv6"; then
2342 pm_nl_set_limits $ns1 0 1
2343 pm_nl_set_limits $ns2 0 1
2344 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2345 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2349 # add_address, unused IPv6
2350 if reset "unused signal address IPv6"; then
2351 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2352 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2357 # signal address IPv6
2358 if reset "single address IPv6"; then
2359 pm_nl_set_limits $ns1 0 1
2360 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2361 pm_nl_set_limits $ns2 1 1
2362 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2367 # single address IPv6, remove
2368 if reset "remove single address IPv6"; then
2369 pm_nl_set_limits $ns1 0 1
2370 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2371 pm_nl_set_limits $ns2 1 1
2372 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
2375 chk_rm_nr 1 1 invert
2378 # subflow and signal IPv6, remove
2379 if reset "remove subflow and signal IPv6"; then
2380 pm_nl_set_limits $ns1 0 2
2381 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2382 pm_nl_set_limits $ns2 1 2
2383 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2384 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
2393 # subflow IPv4-mapped to IPv4-mapped
2394 if reset "single subflow IPv4-mapped"; then
2395 pm_nl_set_limits $ns1 0 1
2396 pm_nl_set_limits $ns2 0 1
2397 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2398 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2402 # signal address IPv4-mapped with IPv4-mapped sk
2403 if reset "signal address IPv4-mapped"; then
2404 pm_nl_set_limits $ns1 0 1
2405 pm_nl_set_limits $ns2 1 1
2406 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2407 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2413 if reset "single subflow v4-map-v6"; then
2414 pm_nl_set_limits $ns1 0 1
2415 pm_nl_set_limits $ns2 0 1
2416 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2417 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2421 # signal address v4-map-v6
2422 if reset "signal address v4-map-v6"; then
2423 pm_nl_set_limits $ns1 0 1
2424 pm_nl_set_limits $ns2 1 1
2425 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2426 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2432 if reset "single subflow v6-map-v4"; then
2433 pm_nl_set_limits $ns1 0 1
2434 pm_nl_set_limits $ns2 0 1
2435 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2436 run_tests $ns1 $ns2 10.0.1.1
2440 # signal address v6-map-v4
2441 if reset "signal address v6-map-v4"; then
2442 pm_nl_set_limits $ns1 0 1
2443 pm_nl_set_limits $ns2 1 1
2444 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2445 run_tests $ns1 $ns2 10.0.1.1
2450 # no subflow IPv6 to v4 address
2451 if reset "no JOIN with diff families v4-v6"; then
2452 pm_nl_set_limits $ns1 0 1
2453 pm_nl_set_limits $ns2 0 1
2454 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2455 run_tests $ns1 $ns2 10.0.1.1
2459 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2460 if reset "no JOIN with diff families v4-v6-2"; then
2461 pm_nl_set_limits $ns1 0 1
2462 pm_nl_set_limits $ns2 0 1
2463 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2464 run_tests $ns1 $ns2 10.0.1.1
2468 # no subflow IPv4 to v6 address, no need to slow down too then
2469 if reset "no JOIN with diff families v6-v4"; then
2470 pm_nl_set_limits $ns1 0 1
2471 pm_nl_set_limits $ns2 0 1
2472 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2473 run_tests $ns1 $ns2 dead:beef:1::1
2480 # single subflow, backup
2481 if reset "single subflow, backup"; then
2482 pm_nl_set_limits $ns1 0 1
2483 pm_nl_set_limits $ns2 0 1
2484 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2485 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
2490 # single address, backup
2491 if reset "single address, backup"; then
2492 pm_nl_set_limits $ns1 0 1
2493 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2494 pm_nl_set_limits $ns2 1 1
2495 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2501 # single address with port, backup
2502 if reset "single address with port, backup"; then
2503 pm_nl_set_limits $ns1 0 1
2504 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2505 pm_nl_set_limits $ns2 1 1
2506 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2512 if reset "mpc backup"; then
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 backup both sides"; then
2520 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2521 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2522 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2527 if reset "mpc switch to backup"; then
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
2534 if reset "mpc switch to backup both sides"; then
2535 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2536 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2537 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2543 add_addr_ports_tests()
2545 # signal address with port
2546 if reset "signal address with port"; then
2547 pm_nl_set_limits $ns1 0 1
2548 pm_nl_set_limits $ns2 1 1
2549 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2550 run_tests $ns1 $ns2 10.0.1.1
2555 # subflow and signal with port
2556 if reset "subflow and signal with port"; then
2557 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2558 pm_nl_set_limits $ns1 0 2
2559 pm_nl_set_limits $ns2 1 2
2560 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2561 run_tests $ns1 $ns2 10.0.1.1
2566 # single address with port, remove
2567 if reset "remove single address with port"; then
2568 pm_nl_set_limits $ns1 0 1
2569 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2570 pm_nl_set_limits $ns2 1 1
2571 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2574 chk_rm_nr 1 1 invert
2577 # subflow and signal with port, remove
2578 if reset "remove subflow and signal with port"; then
2579 pm_nl_set_limits $ns1 0 2
2580 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2581 pm_nl_set_limits $ns2 1 2
2582 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2583 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2589 # subflows and signal with port, flush
2590 if reset "flush subflows and signal with port"; then
2591 pm_nl_set_limits $ns1 0 3
2592 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2593 pm_nl_set_limits $ns2 1 3
2594 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2595 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2596 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
2599 chk_rm_nr 1 3 invert simult
2602 # multiple addresses with port
2603 if reset "multiple addresses with port"; then
2604 pm_nl_set_limits $ns1 2 2
2605 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2606 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2607 pm_nl_set_limits $ns2 2 2
2608 run_tests $ns1 $ns2 10.0.1.1
2613 # multiple addresses with ports
2614 if reset "multiple addresses with ports"; then
2615 pm_nl_set_limits $ns1 2 2
2616 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2617 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2618 pm_nl_set_limits $ns2 2 2
2619 run_tests $ns1 $ns2 10.0.1.1
2627 # single subflow, syncookies
2628 if reset_with_cookies "single subflow with syn cookies"; then
2629 pm_nl_set_limits $ns1 0 1
2630 pm_nl_set_limits $ns2 0 1
2631 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2632 run_tests $ns1 $ns2 10.0.1.1
2636 # multiple subflows with syn cookies
2637 if reset_with_cookies "multiple subflows with syn cookies"; then
2638 pm_nl_set_limits $ns1 0 2
2639 pm_nl_set_limits $ns2 0 2
2640 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2641 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2642 run_tests $ns1 $ns2 10.0.1.1
2646 # multiple subflows limited by server
2647 if reset_with_cookies "subflows limited by server w cookies"; then
2648 pm_nl_set_limits $ns1 0 1
2649 pm_nl_set_limits $ns2 0 2
2650 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2651 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2652 run_tests $ns1 $ns2 10.0.1.1
2656 # test signal address with cookies
2657 if reset_with_cookies "signal address with syn cookies"; then
2658 pm_nl_set_limits $ns1 0 1
2659 pm_nl_set_limits $ns2 1 1
2660 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2661 run_tests $ns1 $ns2 10.0.1.1
2666 # test cookie with subflow and signal
2667 if reset_with_cookies "subflow and signal w cookies"; then
2668 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2669 pm_nl_set_limits $ns1 0 2
2670 pm_nl_set_limits $ns2 1 2
2671 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2672 run_tests $ns1 $ns2 10.0.1.1
2677 # accept and use add_addr with additional subflows
2678 if reset_with_cookies "subflows and signal w. cookies"; then
2679 pm_nl_set_limits $ns1 0 3
2680 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2681 pm_nl_set_limits $ns2 1 3
2682 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2683 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2684 run_tests $ns1 $ns2 10.0.1.1
2693 if reset_with_checksum 0 0; 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 1 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 0 1; 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 if reset_with_checksum 1 0; then
2718 pm_nl_set_limits $ns1 0 1
2719 pm_nl_set_limits $ns2 0 1
2720 run_tests $ns1 $ns2 10.0.1.1
2725 deny_join_id0_tests()
2727 # subflow allow join id0 ns1
2728 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
2729 pm_nl_set_limits $ns1 1 1
2730 pm_nl_set_limits $ns2 1 1
2731 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2732 run_tests $ns1 $ns2 10.0.1.1
2736 # subflow allow join id0 ns2
2737 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
2738 pm_nl_set_limits $ns1 1 1
2739 pm_nl_set_limits $ns2 1 1
2740 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2741 run_tests $ns1 $ns2 10.0.1.1
2745 # signal address allow join id0 ns1
2746 # ADD_ADDRs are not affected by allow_join_id0 value.
2747 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
2748 pm_nl_set_limits $ns1 1 1
2749 pm_nl_set_limits $ns2 1 1
2750 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2751 run_tests $ns1 $ns2 10.0.1.1
2756 # signal address allow join id0 ns2
2757 # ADD_ADDRs are not affected by allow_join_id0 value.
2758 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
2759 pm_nl_set_limits $ns1 1 1
2760 pm_nl_set_limits $ns2 1 1
2761 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2762 run_tests $ns1 $ns2 10.0.1.1
2767 # subflow and address allow join id0 ns1
2768 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
2769 pm_nl_set_limits $ns1 2 2
2770 pm_nl_set_limits $ns2 2 2
2771 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2772 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2773 run_tests $ns1 $ns2 10.0.1.1
2777 # subflow and address allow join id0 ns2
2778 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
2779 pm_nl_set_limits $ns1 2 2
2780 pm_nl_set_limits $ns2 2 2
2781 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2782 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2783 run_tests $ns1 $ns2 10.0.1.1
2791 # 2 fullmesh addrs in ns2, added before the connection,
2792 # 1 non-fullmesh addr in ns1, added during the connection.
2793 if reset "fullmesh test 2x1"; then
2794 pm_nl_set_limits $ns1 0 4
2795 pm_nl_set_limits $ns2 1 4
2796 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
2797 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
2798 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2804 # 1 non-fullmesh addr in ns1, added before the connection,
2805 # 1 fullmesh addr in ns2, added during the connection.
2806 if reset "fullmesh test 1x1"; then
2807 pm_nl_set_limits $ns1 1 3
2808 pm_nl_set_limits $ns2 1 3
2809 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2810 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
2816 # 1 non-fullmesh addr in ns1, added before the connection,
2817 # 2 fullmesh addrs in ns2, added during the connection.
2818 if reset "fullmesh test 1x2"; then
2819 pm_nl_set_limits $ns1 2 5
2820 pm_nl_set_limits $ns2 1 5
2821 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2822 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2828 # 1 non-fullmesh addr in ns1, added before the connection,
2829 # 2 fullmesh addrs in ns2, added during the connection,
2830 # limit max_subflows to 4.
2831 if reset "fullmesh test 1x2, limited"; then
2832 pm_nl_set_limits $ns1 2 4
2833 pm_nl_set_limits $ns2 1 4
2834 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2835 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2841 if reset "set fullmesh flag test"; then
2842 pm_nl_set_limits $ns1 4 4
2843 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2844 pm_nl_set_limits $ns2 4 4
2845 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
2850 # set nofullmesh flag
2851 if reset "set nofullmesh flag test"; then
2852 pm_nl_set_limits $ns1 4 4
2853 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
2854 pm_nl_set_limits $ns2 4 4
2855 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
2860 # set backup,fullmesh flags
2861 if reset "set backup,fullmesh flags test"; then
2862 pm_nl_set_limits $ns1 4 4
2863 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2864 pm_nl_set_limits $ns2 4 4
2865 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
2871 # set nobackup,nofullmesh flags
2872 if reset "set nobackup,nofullmesh flags test"; then
2873 pm_nl_set_limits $ns1 4 4
2874 pm_nl_set_limits $ns2 4 4
2875 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
2876 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
2885 if reset "fastclose test"; then
2886 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
2889 chk_rst_nr 1 1 invert
2892 if reset "fastclose server test"; then
2893 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
2895 chk_fclose_nr 1 1 invert
2902 tc -n $ns2 -j -s action show action pedit index 100 | \
2904 sed 's/.*"packets":\([0-9]\+\),.*/\1/'
2910 if reset_with_fail "Infinite map" 1; then
2911 run_tests $ns1 $ns2 10.0.1.1 128
2912 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
2913 chk_fail_nr 1 -1 invert
2917 if reset_with_fail "MP_FAIL MP_RST" 2; then
2918 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
2919 pm_nl_set_limits $ns1 0 1
2920 pm_nl_set_limits $ns2 0 1
2921 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
2922 run_tests $ns1 $ns2 10.0.1.1 1024
2923 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
2929 # userspace pm type prevents add_addr
2930 if reset "userspace pm type prevents add_addr"; then
2931 set_userspace_pm $ns1
2932 pm_nl_set_limits $ns1 0 2
2933 pm_nl_set_limits $ns2 0 2
2934 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2935 run_tests $ns1 $ns2 10.0.1.1
2940 # userspace pm type does not echo add_addr without daemon
2941 if reset "userspace pm no echo w/o daemon"; then
2942 set_userspace_pm $ns2
2943 pm_nl_set_limits $ns1 0 2
2944 pm_nl_set_limits $ns2 0 2
2945 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2946 run_tests $ns1 $ns2 10.0.1.1
2951 # userspace pm type rejects join
2952 if reset "userspace pm type rejects join"; then
2953 set_userspace_pm $ns1
2954 pm_nl_set_limits $ns1 1 1
2955 pm_nl_set_limits $ns2 1 1
2956 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2957 run_tests $ns1 $ns2 10.0.1.1
2961 # userspace pm type does not send join
2962 if reset "userspace pm type does not send join"; then
2963 set_userspace_pm $ns2
2964 pm_nl_set_limits $ns1 1 1
2965 pm_nl_set_limits $ns2 1 1
2966 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2967 run_tests $ns1 $ns2 10.0.1.1
2971 # userspace pm type prevents mp_prio
2972 if reset "userspace pm type prevents mp_prio"; then
2973 set_userspace_pm $ns1
2974 pm_nl_set_limits $ns1 1 1
2975 pm_nl_set_limits $ns2 1 1
2976 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2977 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2982 # userspace pm type prevents rm_addr
2983 if reset "userspace pm type prevents rm_addr"; then
2984 set_userspace_pm $ns1
2985 set_userspace_pm $ns2
2986 pm_nl_set_limits $ns1 0 1
2987 pm_nl_set_limits $ns2 0 1
2988 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2989 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2994 # userspace pm add & remove address
2995 if reset "userspace pm add & remove address"; then
2996 set_userspace_pm $ns1
2997 pm_nl_set_limits $ns2 1 1
2998 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
3001 chk_rm_nr 1 1 invert
3004 # userspace pm create destroy subflow
3005 if reset "userspace pm create destroy subflow"; then
3006 set_userspace_pm $ns2
3007 pm_nl_set_limits $ns1 0 1
3008 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
3016 # userspace pm type prevents add_addr
3017 if reset "implicit EP"; then
3018 pm_nl_set_limits $ns1 2 2
3019 pm_nl_set_limits $ns2 2 2
3020 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3021 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2>/dev/null &
3024 pm_nl_check_endpoint 1 "creation" \
3025 $ns2 10.0.2.2 id 1 flags implicit
3027 pm_nl_add_endpoint $ns2 10.0.2.2 id 33
3028 pm_nl_check_endpoint 0 "ID change is prevented" \
3029 $ns2 10.0.2.2 id 1 flags implicit
3031 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3032 pm_nl_check_endpoint 0 "modif is allowed" \
3033 $ns2 10.0.2.2 id 1 flags signal
3037 if reset "delete and re-add"; then
3038 pm_nl_set_limits $ns1 1 1
3039 pm_nl_set_limits $ns2 1 1
3040 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3041 run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
3044 pm_nl_del_endpoint $ns2 2 10.0.2.2
3046 chk_subflow_nr needtitle "after delete" 1
3048 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3050 chk_subflow_nr "" "after re-add" 2
3055 # [$1: error message]
3058 if [ -n "${1}" ]; then
3063 echo "mptcp_join usage:"
3066 for key in "${!all_tests[@]}"; do
3067 echo " -${key} ${all_tests[${key}]}"
3070 echo " -c capture pcap files"
3071 echo " -C enable data checksum"
3072 echo " -i use ip mptcp"
3075 echo "[test ids|names]"
3081 # Use a "simple" array to force an specific order we cannot have with an associative one
3084 e@subflows_error_tests
3085 s@signal_address_tests
3086 l@link_failure_tests
3087 t@add_addr_timeout_tests
3093 p@add_addr_ports_tests
3096 d@deny_join_id0_tests
3106 for subtests in "${all_tests_sorted[@]}"; do
3107 key="${subtests%@*}"
3108 value="${subtests#*@}"
3110 all_tests_args+="${key}"
3111 all_tests_names+=("${value}")
3112 all_tests[${key}]="${value}"
3116 while getopts "${all_tests_args}cCih" opt; do
3118 ["${all_tests_args}"])
3119 tests+=("${all_tests[${opt}]}")
3134 usage "Unknown option: -${opt}"
3139 shift $((OPTIND - 1))
3141 for arg in "${@}"; do
3142 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3143 only_tests_ids+=("${arg}")
3145 only_tests_names+=("${arg}")
3149 if [ ${#tests[@]} -eq 0 ]; then
3150 tests=("${all_tests_names[@]}")
3153 for subtests in "${tests[@]}"; do
3157 if [ ${ret} -ne 0 ]; then
3159 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3160 for i in $(get_failed_tests_ids); do
3161 echo -e "\t- ${i}: ${failed_tests[${i}]}"