2 # SPDX-License-Identifier: GPL-2.0
4 # Double quotes to prevent globbing and word splitting is recommended in new
5 # code but we accept it, especially because there were too many before having
6 # address all other issues detected by shellcheck.
7 #shellcheck disable=SC2086
9 # ShellCheck incorrectly believes that most of the code here is unreachable
10 # because it's invoked by variable name, see how the "tests" array is used
11 #shellcheck disable=SC2317
13 . "$(dirname "${0}")/mptcp_lib.sh"
29 timeout_test=$((timeout_poll * 2 + 1))
42 declare -a only_tests_ids
43 declare -a only_tests_names
44 declare -A failed_tests
49 export FAILING_LINKS=""
51 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
52 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
53 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
75 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
81 for netns in "$ns1" "$ns2"; do
82 ip netns add $netns || exit $ksft_skip
83 ip -net $netns link set lo up
84 ip netns exec $netns sysctl -q net.mptcp.enabled=1
85 ip netns exec $netns sysctl -q net.mptcp.pm_type=0
86 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
87 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
88 if [ $checksum -eq 1 ]; then
89 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
94 validate_checksum=$checksum
104 for i in $(seq 1 4); do
105 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
106 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
107 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
108 ip -net "$ns1" link set ns1eth$i up
110 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
111 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
112 ip -net "$ns2" link set ns2eth$i up
114 # let $ns2 reach any $ns1 address from any interface
115 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
116 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
123 for i in $(seq 1 4); do
124 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
125 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
134 for netns in "$ns1" "$ns2"; do
136 rm -f /tmp/$netns.{nstat,out}
142 mptcp_lib_check_mptcp
144 if ! ip -Version &> /dev/null; then
145 echo "SKIP: Could not run test without ip tool"
149 if ! iptables -V &> /dev/null; then
150 echo "SKIP: Could not run all tests without iptables tool"
154 if ! ip6tables -V &> /dev/null; then
155 echo "SKIP: Could not run all tests without ip6tables tool"
175 make_file "$cin" "client" 1
176 make_file "$sin" "server" 1
181 rm -f "$cin" "$cout" "$sinfail"
182 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
184 rm -rf $evts_ns1 $evts_ns2
190 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
195 for i in "${only_tests_ids[@]}"; do
196 if [ "${TEST_COUNT}" -eq "${i}" ]; then
200 for i in "${only_tests_names[@]}"; do
201 if [ "${TEST_NAME}" = "${i}" ]; then
214 TEST_COUNT=$((TEST_COUNT+1))
220 if [ "${init}" != "1" ]; then
234 reset "${1}" || return 1
237 for netns in "$ns1" "$ns2"; do
238 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
243 reset_with_add_addr_timeout()
248 reset "${1}" || return 1
251 if [ $ip -eq 6 ]; then
255 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
256 ip netns exec $ns2 $tables -A OUTPUT -p tcp \
257 -m tcp --tcp-option 30 \
259 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
264 reset_with_checksum()
269 reset "checksum test ${1} ${2}" || return 1
271 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
272 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
277 reset_with_allow_join_id0()
282 reset "${1}" || return 1
284 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
285 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
288 # Modify TCP payload without corrupting the TCP packet
290 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
291 # carrying enough data.
292 # Once it is done, the TCP Checksum field is updated so the packet is still
293 # considered as valid at the TCP level.
294 # Because the MPTCP checksum, covering the TCP options and data, has not been
295 # updated, the modification will be detected and an MP_FAIL will be emitted:
296 # what we want to validate here without corrupting "random" MPTCP options.
298 # To avoid having tc producing this pr_info() message for each TCP ACK packets
299 # not carrying enough data:
301 # tc action pedit offset 162 out of bounds
303 # Netfilter is used to mark packets with enough data.
306 reset "${1}" || return 1
308 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
309 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
318 if [ $ip -eq 6 ]; then
322 ip netns exec $ns2 $tables \
327 -m length --length 150:9999 \
328 -m statistic --mode nth --packet 1 --every 99999 \
329 -j MARK --set-mark 42 || exit 1
331 tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1
332 tc -n $ns2 filter add dev ns2eth$i egress \
333 protocol ip prio 1000 \
335 action pedit munge offset 148 u8 invert \
342 reset "${1}" || return 1
346 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
348 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
355 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
358 get_failed_tests_ids()
362 for i in "${!failed_tests[@]}"; do
370 echo "Trailing bytes are: "
383 if [ -n "$bytes" ]; then
385 # when truncating we must check the size explicitly
386 out_size=$(wc -c $out | awk '{print $1}')
387 if [ $out_size -ne $bytes ]; then
388 echo "[ FAIL ] $what output file has wrong size ($out_size, $bytes)"
393 # note: BusyBox's "cmp" command doesn't support --bytes
395 head --bytes="$bytes" "$in" > "$tmpfile"
397 head --bytes="$bytes" "$out" > "$tmpfile"
401 cmp -l "$in" "$out" | while read -r i a b; do
402 local sum=$((0${a} + 0${b}))
403 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
404 echo "[ FAIL ] $what does not match (in, out):"
406 print_file_err "$out"
411 echo "$what has inverted byte at ${i}"
420 local listener_ns="$1"
421 local connector_ns="$2"
422 local connect_addr="$3"
424 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
425 echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
434 if [ -z "$FAILING_LINKS" ]; then
436 FAILING_LINKS=$((l+1))
440 for l in $FAILING_LINKS; do
441 local veth="ns1eth$l"
442 ip -net "$ns" link set "$veth" down
453 wait_local_port_listen()
455 local listener_ns="${1}"
459 port_hex="$(printf "%04X" "${port}")"
462 for i in $(seq 10); do
463 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
464 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
474 ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'
477 # $1: ns, $2: old rm_addr counter in $ns
485 for i in $(seq 10); do
486 cnt=$(rm_addr_count ${ns})
487 [ "$cnt" = "${old_cnt}" ] || break
497 old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
500 for i in $(seq 10); do
501 cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
502 [ "$cnt" = "${old_cnt}" ] || break
509 kill $1 > /dev/null 2>&1
515 kill_wait $evts_ns1_pid
516 kill_wait $evts_ns2_pid
521 #shellcheck disable=SC2046
522 kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1)
532 if [ $ip_mptcp -eq 1 ]; then
533 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
535 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
552 if [ $p = "flags" ]; then
554 [ -n "$_flags" ]; flags="flags $_flags"
556 if [ $p = "dev" ]; then
558 [ -n "$_dev" ]; dev="dev $_dev"
560 if [ $p = "id" ]; then
562 [ -n "$_id" ]; id="id $_id"
564 if [ $p = "port" ]; then
566 [ -n "$_port" ]; port="port $_port"
572 if [ $ip_mptcp -eq 1 ]; then
573 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
575 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
585 if [ $ip_mptcp -eq 1 ]; then
586 ip -n $ns mptcp endpoint delete id $id $addr
588 ip netns exec $ns ./pm_nl_ctl del $id $addr
592 pm_nl_flush_endpoint()
596 if [ $ip_mptcp -eq 1 ]; then
597 ip -n $ns mptcp endpoint flush
599 ip netns exec $ns ./pm_nl_ctl flush
603 pm_nl_show_endpoints()
607 if [ $ip_mptcp -eq 1 ]; then
608 ip -n $ns mptcp endpoint show
610 ip netns exec $ns ./pm_nl_ctl dump
614 pm_nl_change_endpoint()
620 if [ $ip_mptcp -eq 1 ]; then
621 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
623 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
627 pm_nl_check_endpoint()
629 local line expected_line
642 if [ "${need_title}" = 1 ]; then
643 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
645 printf "%-${nr_blank}s %s" " " "${msg}"
649 while [ -n "$1" ]; do
650 if [ $1 = "flags" ]; then
652 [ -n "$_flags" ]; flags="flags $_flags"
654 elif [ $1 = "dev" ]; then
655 [ -n "$2" ]; dev="dev $1"
657 elif [ $1 = "id" ]; then
659 [ -n "$_id" ]; id="id $_id"
661 elif [ $1 = "port" ]; then
663 [ -n "$_port" ]; port=" port $_port"
670 if [ -z "$id" ]; then
671 echo "[skip] bad test - missing endpoint id"
675 if [ $ip_mptcp -eq 1 ]; then
676 line=$(ip -n $ns mptcp endpoint show $id)
677 # the dump order is: address id flags port dev
678 expected_line="$addr"
679 [ -n "$addr" ] && expected_line="$expected_line $addr"
680 expected_line="$expected_line $id"
681 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
682 [ -n "$dev" ] && expected_line="$expected_line $dev"
683 [ -n "$port" ] && expected_line="$expected_line $port"
685 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
686 # the dump order is: id flags dev address port
688 [ -n "$flags" ] && expected_line="$expected_line $flags"
689 [ -n "$dev" ] && expected_line="$expected_line $dev"
690 [ -n "$addr" ] && expected_line="$expected_line $addr"
691 [ -n "$_port" ] && expected_line="$expected_line $_port"
693 if [ "$line" = "$expected_line" ]; then
696 echo "[fail] expected '$expected_line' found '$line'"
707 ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
712 local listener_ns="$1"
713 local connector_ns="$2"
716 local connect_addr="$5"
717 local test_link_fail="$6"
718 local addr_nr_ns1="$7"
719 local addr_nr_ns2="$8"
723 local port=$((10000 + TEST_COUNT - 1))
731 if [ $capture -eq 1 ]; then
733 if [ -z $SUDO_USER ] ; then
736 capuser="-Z $SUDO_USER"
739 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
741 echo "Capturing traffic for test $TEST_COUNT into $capfile"
742 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
748 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
750 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
754 if [ $speed = "fast" ]; then
756 elif [ $speed = "slow" ]; then
758 elif [[ $speed = "speed_"* ]]; then
759 extra_args="-r ${speed:6}"
762 if [[ "${addr_nr_ns1}" = "userspace_"* ]]; then
764 addr_nr_ns1=${addr_nr_ns1:10}
767 local flags="subflow"
768 local extra_cl_args=""
769 local extra_srv_args=""
771 if [[ "${addr_nr_ns2}" = "fastclose_"* ]]; then
772 if [ ${test_link_fail} -le 1 ]; then
773 echo "fastclose tests need test_link_fail argument"
779 trunc_size=${test_link_fail}
780 local side=${addr_nr_ns2:10}
782 if [ ${side} = "client" ]; then
783 extra_cl_args="-f ${test_link_fail}"
784 extra_srv_args="-f -1"
785 elif [ ${side} = "server" ]; then
786 extra_srv_args="-f ${test_link_fail}"
787 extra_cl_args="-f -1"
789 echo "wrong/unknown fastclose spec ${side}"
794 elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then
796 addr_nr_ns2=${addr_nr_ns2:10}
797 elif [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then
798 flags="${flags},fullmesh"
799 addr_nr_ns2=${addr_nr_ns2:9}
802 extra_srv_args="$extra_args $extra_srv_args"
803 if [ "$test_link_fail" -gt 1 ];then
804 timeout ${timeout_test} \
805 ip netns exec ${listener_ns} \
806 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
807 $extra_srv_args "::" < "$sinfail" > "$sout" &
809 timeout ${timeout_test} \
810 ip netns exec ${listener_ns} \
811 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
812 $extra_srv_args "::" < "$sin" > "$sout" &
816 wait_local_port_listen "${listener_ns}" "${port}"
818 extra_cl_args="$extra_args $extra_cl_args"
819 if [ "$test_link_fail" -eq 0 ];then
820 timeout ${timeout_test} \
821 ip netns exec ${connector_ns} \
822 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
823 $extra_cl_args $connect_addr < "$cin" > "$cout" &
824 elif [ "$test_link_fail" -eq 1 ] || [ "$test_link_fail" -eq 2 ];then
825 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
827 timeout ${timeout_test} \
828 ip netns exec ${connector_ns} \
829 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
830 $extra_cl_args $connect_addr > "$cout" &
832 tee "$cinsent" < "$cinfail" | \
833 timeout ${timeout_test} \
834 ip netns exec ${connector_ns} \
835 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
836 $extra_cl_args $connect_addr > "$cout" &
840 # let the mptcp subflow be established in background before
841 # do endpoint manipulation
842 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
846 if [ $addr_nr_ns1 -gt 0 ]; then
848 local add_nr_ns1=${addr_nr_ns1}
851 while [ $add_nr_ns1 -gt 0 ]; do
853 if is_v6 "${connect_addr}"; then
854 addr="dead:beef:$counter::1"
856 addr="10.0.$counter.1"
858 if [ $userspace_pm -eq 0 ]; then
859 pm_nl_add_endpoint $ns1 $addr flags signal
861 tk=$(grep "type:1," "$evts_ns1" |
862 sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
863 ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id
865 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id
868 counter=$((counter + 1))
869 add_nr_ns1=$((add_nr_ns1 - 1))
872 elif [ $addr_nr_ns1 -lt 0 ]; then
873 local rm_nr_ns1=$((-addr_nr_ns1))
874 if [ $rm_nr_ns1 -lt 8 ]; then
877 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
878 # shellcheck disable=SC2206 # we do want to split per word
883 for i in "${arr[@]}"; do
884 if [ $i = "id" ]; then
885 if [ $counter -eq $rm_nr_ns1 ]; then
889 rm_addr=$(rm_addr_count ${connector_ns})
890 pm_nl_del_endpoint ${listener_ns} $id
891 wait_rm_addr ${connector_ns} ${rm_addr}
892 counter=$((counter + 1))
897 elif [ $rm_nr_ns1 -eq 8 ]; then
898 pm_nl_flush_endpoint ${listener_ns}
899 elif [ $rm_nr_ns1 -eq 9 ]; then
900 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
904 # if newly added endpoints must be deleted, give the background msk
905 # some time to created them
906 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
908 if [ $addr_nr_ns2 -gt 0 ]; then
909 local add_nr_ns2=${addr_nr_ns2}
913 while [ $add_nr_ns2 -gt 0 ]; do
915 if is_v6 "${connect_addr}"; then
916 addr="dead:beef:$counter::2"
918 addr="10.0.$counter.2"
920 if [ $userspace_pm -eq 0 ]; then
921 pm_nl_add_endpoint $ns2 $addr flags $flags
923 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
924 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
925 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
926 ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
927 rip $da rport $dp token $tk
929 sp=$(grep "type:10" "$evts_ns2" |
930 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
931 ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
932 rip $da rport $dp token $tk
934 counter=$((counter + 1))
935 add_nr_ns2=$((add_nr_ns2 - 1))
938 elif [ $addr_nr_ns2 -lt 0 ]; then
939 local rm_nr_ns2=$((-addr_nr_ns2))
940 if [ $rm_nr_ns2 -lt 8 ]; then
943 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
944 # shellcheck disable=SC2206 # we do want to split per word
949 for i in "${arr[@]}"; do
950 if [ $i = "id" ]; then
951 if [ $counter -eq $rm_nr_ns2 ]; then
955 # rm_addr are serialized, allow the previous one to
958 rm_addr=$(rm_addr_count ${listener_ns})
959 pm_nl_del_endpoint ${connector_ns} $id
960 wait_rm_addr ${listener_ns} ${rm_addr}
961 counter=$((counter + 1))
966 elif [ $rm_nr_ns2 -eq 8 ]; then
967 pm_nl_flush_endpoint ${connector_ns}
968 elif [ $rm_nr_ns2 -eq 9 ]; then
970 if is_v6 "${connect_addr}"; then
971 addr="dead:beef:1::2"
975 pm_nl_del_endpoint ${connector_ns} 0 $addr
979 if [ -n "${sflags}" ]; then
983 for netns in "$ns1" "$ns2"; do
985 pm_nl_show_endpoints $netns | while read -r line; do
986 # shellcheck disable=SC2206 # we do want to split per word
992 for i in "${arr[@]}"; do
993 if [ $i = "id" ]; then
998 pm_nl_change_endpoint $netns $id $sflags
1008 if [ $capture -eq 1 ]; then
1013 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1014 nstat | grep Tcp > /tmp/${listener_ns}.out
1015 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1016 nstat | grep Tcp > /tmp/${connector_ns}.out
1018 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1019 echo " client exit code $retc, server $rets" 1>&2
1020 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1021 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1022 cat /tmp/${listener_ns}.out
1023 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1024 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1025 cat /tmp/${connector_ns}.out
1032 if [ "$test_link_fail" -gt 1 ];then
1033 check_transfer $sinfail $cout "file received by client" $trunc_size
1035 check_transfer $sin $cout "file received by client" $trunc_size
1038 if [ "$test_link_fail" -eq 0 ];then
1039 check_transfer $cin $sout "file received by server" $trunc_size
1041 check_transfer $cinsent $sout "file received by server" $trunc_size
1045 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1060 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
1061 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
1063 echo "Created $name (size $size KB) containing data sent by $who"
1068 local listener_ns="$1"
1069 local connector_ns="$2"
1070 local connect_addr="$3"
1071 local test_linkfail="${4:-0}"
1072 local addr_nr_ns1="${5:-0}"
1073 local addr_nr_ns2="${6:-0}"
1074 local speed="${7:-fast}"
1075 local sflags="${8:-""}"
1079 # The values above 2 are reused to make test files
1080 # with the given sizes (KB)
1081 if [ "$test_linkfail" -gt 2 ]; then
1084 if [ -z "$cinfail" ]; then
1087 make_file "$cinfail" "client" $size
1088 # create the input file for the failure test when
1089 # the first failure test run
1090 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1091 # the client file must be considerably larger
1092 # of the maximum expected cwin value, or the
1093 # link utilization will be not predicable
1097 size=$((size + ( RANDOM % 8192) ))
1100 make_file "$cinfail" "client" $size
1103 if [ "$test_linkfail" -gt 2 ]; then
1106 if [ -z "$sinfail" ]; then
1109 make_file "$sinfail" "server" $size
1110 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1116 make_file "$sinfail" "server" $size
1119 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
1120 ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${sflags}
1125 echo Server ns stats
1126 ip netns exec $ns1 nstat -as | grep Tcp
1127 echo Client ns stats
1128 ip netns exec $ns2 nstat -as | grep Tcp
1133 local csum_ns1=${1:-0}
1134 local csum_ns2=${2:-0}
1138 local allow_multi_errors_ns1=0
1139 local allow_multi_errors_ns2=0
1141 if [[ "${csum_ns1}" = "+"* ]]; then
1142 allow_multi_errors_ns1=1
1143 csum_ns1=${csum_ns1:1}
1145 if [[ "${csum_ns2}" = "+"* ]]; then
1146 allow_multi_errors_ns2=1
1147 csum_ns2=${csum_ns2:1}
1150 printf "%-${nr_blank}s %s" " " "sum"
1151 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1152 [ -z "$count" ] && count=0
1153 if [ "$count" != "$csum_ns1" ]; then
1154 extra_msg="$extra_msg ns1=$count"
1156 if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1157 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1158 echo "[fail] got $count data checksum error[s] expected $csum_ns1"
1165 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
1166 [ -z "$count" ] && count=0
1167 if [ "$count" != "$csum_ns2" ]; then
1168 extra_msg="$extra_msg ns2=$count"
1170 if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1171 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1172 echo "[fail] got $count data checksum error[s] expected $csum_ns2"
1178 [ "${dump_stats}" = 1 ] && dump_stats
1187 local ns_invert=${3:-""}
1193 local allow_tx_lost=0
1194 local allow_rx_lost=0
1196 if [[ $ns_invert = "invert" ]]; then
1202 if [[ "${fail_tx}" = "-"* ]]; then
1204 fail_tx=${fail_tx:1}
1206 if [[ "${fail_rx}" = "-"* ]]; then
1208 fail_rx=${fail_rx:1}
1211 printf "%-${nr_blank}s %s" " " "ftx"
1212 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
1213 [ -z "$count" ] && count=0
1214 if [ "$count" != "$fail_tx" ]; then
1215 extra_msg="$extra_msg,tx=$count"
1217 if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1218 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1219 echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
1227 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
1228 [ -z "$count" ] && count=0
1229 if [ "$count" != "$fail_rx" ]; then
1230 extra_msg="$extra_msg,rx=$count"
1232 if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1233 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1234 echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
1241 [ "${dump_stats}" = 1 ] && dump_stats
1257 if [[ $ns_invert = "invert" ]]; then
1260 extra_msg=${extra_msg}"invert"
1263 printf "%-${nr_blank}s %s" " " "ctx"
1264 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
1265 [ -z "$count" ] && count=0
1266 [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
1267 if [ "$count" != "$fclose_tx" ]; then
1268 echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1276 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}')
1277 [ -z "$count" ] && count=0
1278 [ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count"
1279 if [ "$count" != "$fclose_rx" ]; then
1280 echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1287 [ "${dump_stats}" = 1 ] && dump_stats
1296 local ns_invert=${3:-""}
1303 if [[ $ns_invert = "invert" ]]; then
1309 printf "%-${nr_blank}s %s" " " "rtx"
1310 count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
1311 [ -z "$count" ] && count=0
1312 if [ $count -lt $rst_tx ]; then
1313 echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
1321 count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
1322 [ -z "$count" ] && count=0
1323 if [ "$count" -lt "$rst_rx" ]; then
1324 echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
1331 [ "${dump_stats}" = 1 ] && dump_stats
1343 printf "%-${nr_blank}s %s" " " "itx"
1344 count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
1345 [ -z "$count" ] && count=0
1346 if [ "$count" != "$infi_tx" ]; then
1347 echo "[fail] got $count infinite map[s] TX expected $infi_tx"
1355 count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
1356 [ -z "$count" ] && count=0
1357 if [ "$count" != "$infi_rx" ]; then
1358 echo "[fail] got $count infinite map[s] RX expected $infi_rx"
1365 [ "${dump_stats}" = 1 ] && dump_stats
1373 local csum_ns1=${4:-0}
1374 local csum_ns2=${5:-0}
1375 local fail_nr=${6:-0}
1376 local rst_nr=${7:-0}
1377 local infi_nr=${8:-0}
1378 local corrupted_pkts=${9:-0}
1382 local title="${TEST_NAME}"
1384 if [ "${corrupted_pkts}" -gt 0 ]; then
1385 title+=": ${corrupted_pkts} corrupted pkts"
1388 printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
1389 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}')
1390 [ -z "$count" ] && count=0
1391 if [ "$count" != "$syn_nr" ]; then
1392 echo "[fail] got $count JOIN[s] syn expected $syn_nr"
1400 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1401 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
1402 [ -z "$count" ] && count=0
1403 if [ "$count" != "$syn_ack_nr" ]; then
1404 # simult connections exceeding the limit with cookie enabled could go up to
1405 # synack validation as the conn limit can be enforced reliably only after
1406 # the subflow creation
1407 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1410 echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
1419 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}')
1420 [ -z "$count" ] && count=0
1421 if [ "$count" != "$ack_nr" ]; then
1422 echo "[fail] got $count JOIN[s] ack expected $ack_nr"
1428 [ "${dump_stats}" = 1 ] && dump_stats
1429 if [ $validate_checksum -eq 1 ]; then
1430 chk_csum_nr $csum_ns1 $csum_ns2
1431 chk_fail_nr $fail_nr $fail_nr
1432 chk_rst_nr $rst_nr $rst_nr
1433 chk_infi_nr $infi_nr $infi_nr
1437 # a negative value for 'stale_max' means no upper bound:
1438 # for bidirectional transfer, if one peer sleep for a while
1439 # - as these tests do - we can have a quite high number of
1440 # stale/recover conversions, proportional to
1441 # sleep duration/ MPTCP-level RTX interval.
1447 local stale_delta=$4
1452 printf "%-${nr_blank}s %-18s" " " "stale"
1453 stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}')
1454 [ -z "$stale_nr" ] && stale_nr=0
1455 recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}')
1456 [ -z "$recover_nr" ] && recover_nr=0
1458 if [ $stale_nr -lt $stale_min ] ||
1459 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1460 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1461 echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
1462 " expected stale in range [$stale_min..$stale_max]," \
1463 " stale-recover delta $stale_delta "
1470 if [ "${dump_stats}" = 1 ]; then
1472 ip netns exec $ns ip -s link show
1473 ip netns exec $ns nstat -as | grep MPTcp
1481 local port_nr=${3:-0}
1482 local syn_nr=${4:-$port_nr}
1483 local syn_ack_nr=${5:-$port_nr}
1484 local ack_nr=${6:-$port_nr}
1485 local mis_syn_nr=${7:-0}
1486 local mis_ack_nr=${8:-0}
1491 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1493 printf "%-${nr_blank}s %s" " " "add"
1494 count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
1495 [ -z "$count" ] && count=0
1497 # if the test configured a short timeout tolerate greater then expected
1498 # add addrs options, due to retransmissions
1499 if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1500 echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
1508 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}')
1509 [ -z "$count" ] && count=0
1510 if [ "$count" != "$echo_nr" ]; then
1511 echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
1518 if [ $port_nr -gt 0 ]; then
1520 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}')
1521 [ -z "$count" ] && count=0
1522 if [ "$count" != "$port_nr" ]; then
1523 echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
1530 printf "%-${nr_blank}s %s" " " "syn"
1531 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
1533 [ -z "$count" ] && count=0
1534 if [ "$count" != "$syn_nr" ]; then
1535 echo "[fail] got $count JOIN[s] syn with a different \
1536 port-number expected $syn_nr"
1544 count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
1546 [ -z "$count" ] && count=0
1547 if [ "$count" != "$syn_ack_nr" ]; then
1548 echo "[fail] got $count JOIN[s] synack with a different \
1549 port-number expected $syn_ack_nr"
1557 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx |
1559 [ -z "$count" ] && count=0
1560 if [ "$count" != "$ack_nr" ]; then
1561 echo "[fail] got $count JOIN[s] ack with a different \
1562 port-number expected $ack_nr"
1569 printf "%-${nr_blank}s %s" " " "syn"
1570 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
1572 [ -z "$count" ] && count=0
1573 if [ "$count" != "$mis_syn_nr" ]; then
1574 echo "[fail] got $count JOIN[s] syn with a mismatched \
1575 port-number expected $mis_syn_nr"
1583 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
1585 [ -z "$count" ] && count=0
1586 if [ "$count" != "$mis_ack_nr" ]; then
1587 echo "[fail] got $count JOIN[s] ack with a mismatched \
1588 port-number expected $mis_ack_nr"
1598 [ "${dump_stats}" = 1 ] && dump_stats
1604 local rm_subflow_nr=$2
1610 local subflow_ns=$ns2
1614 while [ -n "$1" ]; do
1615 [ "$1" = "invert" ] && invert=true
1616 [ "$1" = "simult" ] && simult=true
1620 if [ -z $invert ]; then
1623 elif [ $invert = "true" ]; then
1629 printf "%-${nr_blank}s %s" " " "rm "
1630 count=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}')
1631 [ -z "$count" ] && count=0
1632 if [ "$count" != "$rm_addr_nr" ]; then
1633 echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
1641 count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1642 [ -z "$count" ] && count=0
1643 if [ -n "$simult" ]; then
1646 cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
1648 # in case of simult flush, the subflow removal count on each side is
1650 [ -z "$cnt" ] && cnt=0
1651 count=$((count + cnt))
1652 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1653 if [ $count -ge "$rm_subflow_nr" ] && \
1654 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1655 echo "[ ok ] $suffix"
1657 echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1663 if [ "$count" != "$rm_subflow_nr" ]; then
1664 echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1671 [ "${dump_stats}" = 1 ] && dump_stats
1678 local mp_prio_nr_tx=$1
1679 local mp_prio_nr_rx=$2
1683 printf "%-${nr_blank}s %s" " " "ptx"
1684 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
1685 [ -z "$count" ] && count=0
1686 if [ "$count" != "$mp_prio_nr_tx" ]; then
1687 echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1695 count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
1696 [ -z "$count" ] && count=0
1697 if [ "$count" != "$mp_prio_nr_rx" ]; then
1698 echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1705 [ "${dump_stats}" = 1 ] && dump_stats
1710 local need_title="$1"
1717 if [ -n "${need_title}" ]; then
1718 printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
1720 printf "%-${nr_blank}s %s" " " "${msg}"
1723 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1724 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1725 if [ "$cnt1" != "$subflow_nr" ] || [ "$cnt2" != "$subflow_nr" ]; then
1726 echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
1733 if [ "${dump_stats}" = 1 ]; then
1735 ss -N $ns1 -tOni | grep token
1736 ip -n $ns1 mptcp endpoint
1749 if [[ $nr_info = "subflows_"* ]]; then
1751 nr_info=${nr_info:9}
1753 echo "[fail] unsupported argument: $nr_info"
1758 printf "%-${nr_blank}s %-30s" " " "mptcp_info $info=$nr_info"
1760 cnt1=$(ss -N $ns1 -inmHM | grep "$info:" |
1761 sed -n 's/.*\('"$info"':\)\([[:digit:]]*\).*$/\2/p;q')
1762 [ -z "$cnt1" ] && cnt1=0
1763 cnt2=$(ss -N $ns2 -inmHM | grep "$info:" |
1764 sed -n 's/.*\('"$info"':\)\([[:digit:]]*\).*$/\2/p;q')
1765 [ -z "$cnt2" ] && cnt2=0
1766 if [ "$cnt1" != "$nr_info" ] || [ "$cnt2" != "$nr_info" ]; then
1767 echo "[fail] got $cnt1:$cnt2 $info expected $nr_info"
1774 if [ "$dump_stats" = 1 ]; then
1786 local expected_rate=$4
1788 local tx_link tx_total
1789 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1790 tx_total=$(stat --format=%s $out)
1791 local tx_rate=$((tx_link * 100 / tx_total))
1794 printf "%-${nr_blank}s %-18s" " " "link usage"
1795 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1796 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1797 echo "[fail] got $tx_rate% usage, expected $expected_rate%"
1806 local timeout_ms=$((timeout_poll * 1000))
1810 while [ $time -lt $timeout_ms ]; do
1813 cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
1815 [ "$cnt" = 1 ] && return 1
1816 time=$((time + 100))
1826 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1831 if reset "no JOIN"; then
1832 run_tests $ns1 $ns2 10.0.1.1
1836 # subflow limited by client
1837 if reset "single subflow, limited by client"; then
1838 pm_nl_set_limits $ns1 0 0
1839 pm_nl_set_limits $ns2 0 0
1840 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1841 run_tests $ns1 $ns2 10.0.1.1
1845 # subflow limited by server
1846 if reset "single subflow, limited by server"; then
1847 pm_nl_set_limits $ns1 0 0
1848 pm_nl_set_limits $ns2 0 1
1849 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1850 run_tests $ns1 $ns2 10.0.1.1
1855 if reset "single subflow"; then
1856 pm_nl_set_limits $ns1 0 1
1857 pm_nl_set_limits $ns2 0 1
1858 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1859 run_tests $ns1 $ns2 10.0.1.1
1864 if reset "multiple subflows"; then
1865 pm_nl_set_limits $ns1 0 2
1866 pm_nl_set_limits $ns2 0 2
1867 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1868 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1869 run_tests $ns1 $ns2 10.0.1.1
1873 # multiple subflows limited by server
1874 if reset "multiple subflows, limited by server"; then
1875 pm_nl_set_limits $ns1 0 1
1876 pm_nl_set_limits $ns2 0 2
1877 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1878 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1879 run_tests $ns1 $ns2 10.0.1.1
1883 # single subflow, dev
1884 if reset "single subflow, dev"; then
1885 pm_nl_set_limits $ns1 0 1
1886 pm_nl_set_limits $ns2 0 1
1887 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
1888 run_tests $ns1 $ns2 10.0.1.1
1893 subflows_error_tests()
1895 # If a single subflow is configured, and matches the MPC src
1896 # address, no additional subflow should be created
1897 if reset "no MPC reuse with single endpoint"; then
1898 pm_nl_set_limits $ns1 0 1
1899 pm_nl_set_limits $ns2 0 1
1900 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
1901 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1905 # multiple subflows, with subflow creation error
1906 if reset "multi subflows, with failing subflow"; then
1907 pm_nl_set_limits $ns1 0 2
1908 pm_nl_set_limits $ns2 0 2
1909 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1910 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1911 filter_tcp_from $ns1 10.0.3.2 REJECT
1912 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1916 # multiple subflows, with subflow timeout on MPJ
1917 if reset "multi subflows, with subflow timeout"; then
1918 pm_nl_set_limits $ns1 0 2
1919 pm_nl_set_limits $ns2 0 2
1920 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1921 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1922 filter_tcp_from $ns1 10.0.3.2 DROP
1923 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
1927 # multiple subflows, check that the endpoint corresponding to
1928 # closed subflow (due to reset) is not reused if additional
1929 # subflows are added later
1930 if reset "multi subflows, fair usage on close"; then
1931 pm_nl_set_limits $ns1 0 1
1932 pm_nl_set_limits $ns2 0 1
1933 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1934 filter_tcp_from $ns1 10.0.3.2 REJECT
1935 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
1937 # mpj subflow will be in TW after the reset
1938 wait_attempt_fail $ns2
1939 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1942 # additional subflow could be created only if the PM select
1943 # the later endpoint, skipping the already used one
1948 signal_address_tests()
1950 # add_address, unused
1951 if reset "unused signal address"; then
1952 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1953 run_tests $ns1 $ns2 10.0.1.1
1958 # accept and use add_addr
1959 if reset "signal address"; then
1960 pm_nl_set_limits $ns1 0 1
1961 pm_nl_set_limits $ns2 1 1
1962 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1963 run_tests $ns1 $ns2 10.0.1.1
1968 # accept and use add_addr with an additional subflow
1969 # note: signal address in server ns and local addresses in client ns must
1970 # belong to different subnets or one of the listed local address could be
1971 # used for 'add_addr' subflow
1972 if reset "subflow and signal"; then
1973 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1974 pm_nl_set_limits $ns1 0 2
1975 pm_nl_set_limits $ns2 1 2
1976 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1977 run_tests $ns1 $ns2 10.0.1.1
1982 # accept and use add_addr with additional subflows
1983 if reset "multiple subflows and signal"; then
1984 pm_nl_set_limits $ns1 0 3
1985 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1986 pm_nl_set_limits $ns2 1 3
1987 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1988 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
1989 run_tests $ns1 $ns2 10.0.1.1
1995 if reset "signal addresses"; then
1996 pm_nl_set_limits $ns1 3 3
1997 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1998 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
1999 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2000 pm_nl_set_limits $ns2 3 3
2001 run_tests $ns1 $ns2 10.0.1.1
2006 # signal invalid addresses
2007 if reset "signal invalid addresses"; then
2008 pm_nl_set_limits $ns1 3 3
2009 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2010 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2011 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2012 pm_nl_set_limits $ns2 3 3
2013 run_tests $ns1 $ns2 10.0.1.1
2018 # signal addresses race test
2019 if reset "signal addresses race test"; then
2020 pm_nl_set_limits $ns1 4 4
2021 pm_nl_set_limits $ns2 4 4
2022 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2023 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2024 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2025 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2026 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
2027 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
2028 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
2029 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
2031 # the peer could possibly miss some addr notification, allow retransmission
2032 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
2033 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2036 # the server will not signal the address terminating
2042 link_failure_tests()
2044 # accept and use add_addr with additional subflows and link loss
2045 if reset "multiple flows, signal, link failure"; then
2046 # without any b/w limit each veth could spool the packets and get
2047 # them acked at xmit time, so that the corresponding subflow will
2048 # have almost always no outstanding pkts, the scheduler will pick
2049 # always the first subflow and we will have hard time testing
2050 # active backup and link switch-over.
2051 # Let's set some arbitrary (low) virtual link limits.
2053 pm_nl_set_limits $ns1 0 3
2054 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2055 pm_nl_set_limits $ns2 1 3
2056 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2057 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2058 run_tests $ns1 $ns2 10.0.1.1 1
2061 chk_stale_nr $ns2 1 5 1
2064 # accept and use add_addr with additional subflows and link loss
2065 # for bidirectional transfer
2066 if reset "multi flows, signal, bidi, link fail"; then
2068 pm_nl_set_limits $ns1 0 3
2069 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2070 pm_nl_set_limits $ns2 1 3
2071 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2072 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2073 run_tests $ns1 $ns2 10.0.1.1 2
2076 chk_stale_nr $ns2 1 -1 1
2079 # 2 subflows plus 1 backup subflow with a lossy link, backup
2080 # will never be used
2081 if reset "backup subflow unused, link failure"; then
2083 pm_nl_set_limits $ns1 0 2
2084 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2085 pm_nl_set_limits $ns2 1 2
2087 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2088 run_tests $ns1 $ns2 10.0.1.1 1
2091 chk_link_usage $ns2 ns2eth3 $cinsent 0
2094 # 2 lossy links after half transfer, backup will get half of
2096 if reset "backup flow used, multi links fail"; then
2098 pm_nl_set_limits $ns1 0 2
2099 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2100 pm_nl_set_limits $ns2 1 2
2101 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2103 run_tests $ns1 $ns2 10.0.1.1 1
2106 chk_stale_nr $ns2 2 4 2
2107 chk_link_usage $ns2 ns2eth3 $cinsent 50
2110 # use a backup subflow with the first subflow on a lossy link
2111 # for bidirectional transfer
2112 if reset "backup flow used, bidi, link failure"; then
2114 pm_nl_set_limits $ns1 0 2
2115 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2116 pm_nl_set_limits $ns2 1 3
2117 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2119 run_tests $ns1 $ns2 10.0.1.1 2
2122 chk_stale_nr $ns2 1 -1 2
2123 chk_link_usage $ns2 ns2eth3 $cinsent 50
2127 add_addr_timeout_tests()
2130 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2131 pm_nl_set_limits $ns1 0 1
2132 pm_nl_set_limits $ns2 1 1
2133 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2134 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2139 # add_addr timeout IPv6
2140 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2141 pm_nl_set_limits $ns1 0 1
2142 pm_nl_set_limits $ns2 1 1
2143 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2144 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2149 # signal addresses timeout
2150 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2151 pm_nl_set_limits $ns1 2 2
2152 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2153 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2154 pm_nl_set_limits $ns2 2 2
2155 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2160 # signal invalid addresses timeout
2161 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2162 pm_nl_set_limits $ns1 2 2
2163 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2164 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2165 pm_nl_set_limits $ns2 2 2
2166 run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
2174 # single subflow, remove
2175 if reset "remove single subflow"; then
2176 pm_nl_set_limits $ns1 0 1
2177 pm_nl_set_limits $ns2 0 1
2178 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2179 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
2184 # multiple subflows, remove
2185 if reset "remove multiple subflows"; then
2186 pm_nl_set_limits $ns1 0 2
2187 pm_nl_set_limits $ns2 0 2
2188 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2189 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2190 run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
2195 # single address, remove
2196 if reset "remove single address"; then
2197 pm_nl_set_limits $ns1 0 1
2198 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2199 pm_nl_set_limits $ns2 1 1
2200 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2203 chk_rm_nr 1 1 invert
2206 # subflow and signal, remove
2207 if reset "remove subflow and signal"; then
2208 pm_nl_set_limits $ns1 0 2
2209 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2210 pm_nl_set_limits $ns2 1 2
2211 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2212 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2218 # subflows and signal, remove
2219 if reset "remove subflows and signal"; then
2220 pm_nl_set_limits $ns1 0 3
2221 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2222 pm_nl_set_limits $ns2 1 3
2223 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2224 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2225 run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 speed_10
2232 if reset "remove addresses"; then
2233 pm_nl_set_limits $ns1 3 3
2234 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2235 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2236 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2237 pm_nl_set_limits $ns2 3 3
2238 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2241 chk_rm_nr 3 3 invert
2244 # invalid addresses remove
2245 if reset "remove invalid addresses"; then
2246 pm_nl_set_limits $ns1 3 3
2247 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2248 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2249 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2250 pm_nl_set_limits $ns2 3 3
2251 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 speed_10
2254 chk_rm_nr 3 1 invert
2257 # subflows and signal, flush
2258 if reset "flush subflows and signal"; then
2259 pm_nl_set_limits $ns1 0 3
2260 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2261 pm_nl_set_limits $ns2 1 3
2262 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2263 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2264 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2267 chk_rm_nr 1 3 invert simult
2271 if reset "flush subflows"; then
2272 pm_nl_set_limits $ns1 3 3
2273 pm_nl_set_limits $ns2 3 3
2274 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2275 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2276 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2277 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2279 chk_rm_nr 0 3 simult
2283 if reset "flush addresses"; then
2284 pm_nl_set_limits $ns1 3 3
2285 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2286 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2287 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2288 pm_nl_set_limits $ns2 3 3
2289 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
2292 chk_rm_nr 3 3 invert simult
2295 # invalid addresses flush
2296 if reset "flush invalid addresses"; then
2297 pm_nl_set_limits $ns1 3 3
2298 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2299 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2300 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2301 pm_nl_set_limits $ns2 3 3
2302 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
2305 chk_rm_nr 3 1 invert
2308 # remove id 0 subflow
2309 if reset "remove id 0 subflow"; then
2310 pm_nl_set_limits $ns1 0 1
2311 pm_nl_set_limits $ns2 0 1
2312 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2313 run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow
2318 # remove id 0 address
2319 if reset "remove id 0 address"; then
2320 pm_nl_set_limits $ns1 0 1
2321 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2322 pm_nl_set_limits $ns2 1 1
2323 run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
2326 chk_rm_nr 1 1 invert
2332 # add single subflow
2333 if reset "add single subflow"; then
2334 pm_nl_set_limits $ns1 0 1
2335 pm_nl_set_limits $ns2 0 1
2336 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
2340 # add signal address
2341 if reset "add signal address"; then
2342 pm_nl_set_limits $ns1 0 1
2343 pm_nl_set_limits $ns2 1 1
2344 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2349 # add multiple subflows
2350 if reset "add multiple subflows"; then
2351 pm_nl_set_limits $ns1 0 2
2352 pm_nl_set_limits $ns2 0 2
2353 run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
2357 # add multiple subflows IPv6
2358 if reset "add multiple subflows IPv6"; then
2359 pm_nl_set_limits $ns1 0 2
2360 pm_nl_set_limits $ns2 0 2
2361 run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
2365 # add multiple addresses IPv6
2366 if reset "add multiple addresses IPv6"; then
2367 pm_nl_set_limits $ns1 0 2
2368 pm_nl_set_limits $ns2 2 2
2369 run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
2378 if reset "single subflow IPv6"; then
2379 pm_nl_set_limits $ns1 0 1
2380 pm_nl_set_limits $ns2 0 1
2381 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2382 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2386 # add_address, unused IPv6
2387 if reset "unused signal address IPv6"; then
2388 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2389 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2394 # signal address IPv6
2395 if reset "single address IPv6"; then
2396 pm_nl_set_limits $ns1 0 1
2397 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2398 pm_nl_set_limits $ns2 1 1
2399 run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
2404 # single address IPv6, remove
2405 if reset "remove single address IPv6"; then
2406 pm_nl_set_limits $ns1 0 1
2407 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2408 pm_nl_set_limits $ns2 1 1
2409 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
2412 chk_rm_nr 1 1 invert
2415 # subflow and signal IPv6, remove
2416 if reset "remove subflow and signal IPv6"; then
2417 pm_nl_set_limits $ns1 0 2
2418 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2419 pm_nl_set_limits $ns2 1 2
2420 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2421 run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
2430 # subflow IPv4-mapped to IPv4-mapped
2431 if reset "single subflow IPv4-mapped"; then
2432 pm_nl_set_limits $ns1 0 1
2433 pm_nl_set_limits $ns2 0 1
2434 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2435 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2439 # signal address IPv4-mapped with IPv4-mapped sk
2440 if reset "signal address IPv4-mapped"; then
2441 pm_nl_set_limits $ns1 0 1
2442 pm_nl_set_limits $ns2 1 1
2443 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2444 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2450 if reset "single subflow v4-map-v6"; then
2451 pm_nl_set_limits $ns1 0 1
2452 pm_nl_set_limits $ns2 0 1
2453 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2454 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2458 # signal address v4-map-v6
2459 if reset "signal address v4-map-v6"; then
2460 pm_nl_set_limits $ns1 0 1
2461 pm_nl_set_limits $ns2 1 1
2462 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2463 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2469 if reset "single subflow v6-map-v4"; then
2470 pm_nl_set_limits $ns1 0 1
2471 pm_nl_set_limits $ns2 0 1
2472 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2473 run_tests $ns1 $ns2 10.0.1.1
2477 # signal address v6-map-v4
2478 if reset "signal address v6-map-v4"; then
2479 pm_nl_set_limits $ns1 0 1
2480 pm_nl_set_limits $ns2 1 1
2481 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2482 run_tests $ns1 $ns2 10.0.1.1
2487 # no subflow IPv6 to v4 address
2488 if reset "no JOIN with diff families v4-v6"; then
2489 pm_nl_set_limits $ns1 0 1
2490 pm_nl_set_limits $ns2 0 1
2491 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2492 run_tests $ns1 $ns2 10.0.1.1
2496 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2497 if reset "no JOIN with diff families v4-v6-2"; then
2498 pm_nl_set_limits $ns1 0 1
2499 pm_nl_set_limits $ns2 0 1
2500 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2501 run_tests $ns1 $ns2 10.0.1.1
2505 # no subflow IPv4 to v6 address, no need to slow down too then
2506 if reset "no JOIN with diff families v6-v4"; then
2507 pm_nl_set_limits $ns1 0 1
2508 pm_nl_set_limits $ns2 0 1
2509 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2510 run_tests $ns1 $ns2 dead:beef:1::1
2517 if reset "IPv4 sockets do not use IPv6 addresses"; then
2518 pm_nl_set_limits $ns1 0 1
2519 pm_nl_set_limits $ns2 1 1
2520 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2521 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2525 # Need an IPv6 mptcp socket to allow subflows of both families
2526 if reset "simult IPv4 and IPv6 subflows"; then
2527 pm_nl_set_limits $ns1 0 1
2528 pm_nl_set_limits $ns2 1 1
2529 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2530 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow
2534 # cross families subflows will not be created even in fullmesh mode
2535 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1"; then
2536 pm_nl_set_limits $ns1 0 4
2537 pm_nl_set_limits $ns2 1 4
2538 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
2539 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2540 run_tests $ns1 $ns2 dead:beef:2::1 0 0 0 slow
2544 # fullmesh still tries to create all the possibly subflows with
2546 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2"; then
2547 pm_nl_set_limits $ns1 0 4
2548 pm_nl_set_limits $ns2 2 4
2549 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2550 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2551 run_tests $ns1 $ns2 dead:beef:1::1 0 0 fullmesh_1 slow
2558 # single subflow, backup
2559 if reset "single subflow, backup"; then
2560 pm_nl_set_limits $ns1 0 1
2561 pm_nl_set_limits $ns2 0 1
2562 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2563 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
2568 # single address, backup
2569 if reset "single address, backup"; then
2570 pm_nl_set_limits $ns1 0 1
2571 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2572 pm_nl_set_limits $ns2 1 1
2573 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2579 # single address with port, backup
2580 if reset "single address with port, backup"; then
2581 pm_nl_set_limits $ns1 0 1
2582 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2583 pm_nl_set_limits $ns2 1 1
2584 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2590 if reset "mpc backup"; then
2591 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2592 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2597 if reset "mpc backup both sides"; then
2598 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2599 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2600 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
2605 if reset "mpc switch to backup"; then
2606 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2607 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2612 if reset "mpc switch to backup both sides"; then
2613 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2614 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2615 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
2621 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
2622 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
2627 verify_listener_events()
2639 if [ $e_type = $LISTENER_CREATED ]; then
2640 stdbuf -o0 -e0 printf "\t\t\t\t\t CREATE_LISTENER %s:%s"\
2642 elif [ $e_type = $LISTENER_CLOSED ]; then
2643 stdbuf -o0 -e0 printf "\t\t\t\t\t CLOSE_LISTENER %s:%s "\
2647 type=$(grep "type:$e_type," $evt |
2648 sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
2649 family=$(grep "type:$e_type," $evt |
2650 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
2651 sport=$(grep "type:$e_type," $evt |
2652 sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
2653 if [ $family ] && [ $family = $AF_INET6 ]; then
2654 saddr=$(grep "type:$e_type," $evt |
2655 sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
2657 saddr=$(grep "type:$e_type," $evt |
2658 sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
2661 if [ $type ] && [ $type = $e_type ] &&
2662 [ $family ] && [ $family = $e_family ] &&
2663 [ $saddr ] && [ $saddr = $e_saddr ] &&
2664 [ $sport ] && [ $sport = $e_sport ]; then
2665 stdbuf -o0 -e0 printf "[ ok ]\n"
2669 stdbuf -o0 -e0 printf "[fail]\n"
2672 add_addr_ports_tests()
2674 # signal address with port
2675 if reset "signal address with port"; then
2676 pm_nl_set_limits $ns1 0 1
2677 pm_nl_set_limits $ns2 1 1
2678 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2679 run_tests $ns1 $ns2 10.0.1.1
2684 # subflow and signal with port
2685 if reset "subflow and signal with port"; then
2686 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2687 pm_nl_set_limits $ns1 0 2
2688 pm_nl_set_limits $ns2 1 2
2689 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2690 run_tests $ns1 $ns2 10.0.1.1
2695 # single address with port, remove
2696 # pm listener events
2697 if reset_with_events "remove single address with port"; then
2698 pm_nl_set_limits $ns1 0 1
2699 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2700 pm_nl_set_limits $ns2 1 1
2701 run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
2704 chk_rm_nr 1 1 invert
2706 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100
2707 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100
2711 # subflow and signal with port, remove
2712 if reset "remove subflow and signal with port"; then
2713 pm_nl_set_limits $ns1 0 2
2714 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2715 pm_nl_set_limits $ns2 1 2
2716 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2717 run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
2723 # subflows and signal with port, flush
2724 if reset "flush subflows and signal with port"; then
2725 pm_nl_set_limits $ns1 0 3
2726 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2727 pm_nl_set_limits $ns2 1 3
2728 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2729 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2730 run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
2733 chk_rm_nr 1 3 invert simult
2736 # multiple addresses with port
2737 if reset "multiple addresses with port"; then
2738 pm_nl_set_limits $ns1 2 2
2739 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2740 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2741 pm_nl_set_limits $ns2 2 2
2742 run_tests $ns1 $ns2 10.0.1.1
2747 # multiple addresses with ports
2748 if reset "multiple addresses with ports"; then
2749 pm_nl_set_limits $ns1 2 2
2750 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2751 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2752 pm_nl_set_limits $ns2 2 2
2753 run_tests $ns1 $ns2 10.0.1.1
2761 # single subflow, syncookies
2762 if reset_with_cookies "single subflow with syn cookies"; then
2763 pm_nl_set_limits $ns1 0 1
2764 pm_nl_set_limits $ns2 0 1
2765 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2766 run_tests $ns1 $ns2 10.0.1.1
2770 # multiple subflows with syn cookies
2771 if reset_with_cookies "multiple subflows with syn cookies"; then
2772 pm_nl_set_limits $ns1 0 2
2773 pm_nl_set_limits $ns2 0 2
2774 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2775 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2776 run_tests $ns1 $ns2 10.0.1.1
2780 # multiple subflows limited by server
2781 if reset_with_cookies "subflows limited by server w cookies"; then
2782 pm_nl_set_limits $ns1 0 1
2783 pm_nl_set_limits $ns2 0 2
2784 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2785 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2786 run_tests $ns1 $ns2 10.0.1.1
2790 # test signal address with cookies
2791 if reset_with_cookies "signal address with syn cookies"; then
2792 pm_nl_set_limits $ns1 0 1
2793 pm_nl_set_limits $ns2 1 1
2794 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2795 run_tests $ns1 $ns2 10.0.1.1
2800 # test cookie with subflow and signal
2801 if reset_with_cookies "subflow and signal w cookies"; then
2802 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2803 pm_nl_set_limits $ns1 0 2
2804 pm_nl_set_limits $ns2 1 2
2805 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2806 run_tests $ns1 $ns2 10.0.1.1
2811 # accept and use add_addr with additional subflows
2812 if reset_with_cookies "subflows and signal w. cookies"; then
2813 pm_nl_set_limits $ns1 0 3
2814 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2815 pm_nl_set_limits $ns2 1 3
2816 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2817 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2818 run_tests $ns1 $ns2 10.0.1.1
2827 if reset_with_checksum 0 0; then
2828 pm_nl_set_limits $ns1 0 1
2829 pm_nl_set_limits $ns2 0 1
2830 run_tests $ns1 $ns2 10.0.1.1
2835 if reset_with_checksum 1 1; then
2836 pm_nl_set_limits $ns1 0 1
2837 pm_nl_set_limits $ns2 0 1
2838 run_tests $ns1 $ns2 10.0.1.1
2843 if reset_with_checksum 0 1; then
2844 pm_nl_set_limits $ns1 0 1
2845 pm_nl_set_limits $ns2 0 1
2846 run_tests $ns1 $ns2 10.0.1.1
2851 if reset_with_checksum 1 0; then
2852 pm_nl_set_limits $ns1 0 1
2853 pm_nl_set_limits $ns2 0 1
2854 run_tests $ns1 $ns2 10.0.1.1
2859 deny_join_id0_tests()
2861 # subflow allow join id0 ns1
2862 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
2863 pm_nl_set_limits $ns1 1 1
2864 pm_nl_set_limits $ns2 1 1
2865 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2866 run_tests $ns1 $ns2 10.0.1.1
2870 # subflow allow join id0 ns2
2871 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
2872 pm_nl_set_limits $ns1 1 1
2873 pm_nl_set_limits $ns2 1 1
2874 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2875 run_tests $ns1 $ns2 10.0.1.1
2879 # signal address allow join id0 ns1
2880 # ADD_ADDRs are not affected by allow_join_id0 value.
2881 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
2882 pm_nl_set_limits $ns1 1 1
2883 pm_nl_set_limits $ns2 1 1
2884 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2885 run_tests $ns1 $ns2 10.0.1.1
2890 # signal address allow join id0 ns2
2891 # ADD_ADDRs are not affected by allow_join_id0 value.
2892 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
2893 pm_nl_set_limits $ns1 1 1
2894 pm_nl_set_limits $ns2 1 1
2895 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2896 run_tests $ns1 $ns2 10.0.1.1
2901 # subflow and address allow join id0 ns1
2902 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
2903 pm_nl_set_limits $ns1 2 2
2904 pm_nl_set_limits $ns2 2 2
2905 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2906 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2907 run_tests $ns1 $ns2 10.0.1.1
2911 # subflow and address allow join id0 ns2
2912 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
2913 pm_nl_set_limits $ns1 2 2
2914 pm_nl_set_limits $ns2 2 2
2915 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2916 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2917 run_tests $ns1 $ns2 10.0.1.1
2925 # 2 fullmesh addrs in ns2, added before the connection,
2926 # 1 non-fullmesh addr in ns1, added during the connection.
2927 if reset "fullmesh test 2x1"; then
2928 pm_nl_set_limits $ns1 0 4
2929 pm_nl_set_limits $ns2 1 4
2930 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
2931 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
2932 run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
2938 # 1 non-fullmesh addr in ns1, added before the connection,
2939 # 1 fullmesh addr in ns2, added during the connection.
2940 if reset "fullmesh test 1x1"; then
2941 pm_nl_set_limits $ns1 1 3
2942 pm_nl_set_limits $ns2 1 3
2943 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2944 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
2950 # 1 non-fullmesh addr in ns1, added before the connection,
2951 # 2 fullmesh addrs in ns2, added during the connection.
2952 if reset "fullmesh test 1x2"; then
2953 pm_nl_set_limits $ns1 2 5
2954 pm_nl_set_limits $ns2 1 5
2955 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2956 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2962 # 1 non-fullmesh addr in ns1, added before the connection,
2963 # 2 fullmesh addrs in ns2, added during the connection,
2964 # limit max_subflows to 4.
2965 if reset "fullmesh test 1x2, limited"; then
2966 pm_nl_set_limits $ns1 2 4
2967 pm_nl_set_limits $ns2 1 4
2968 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2969 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
2975 if reset "set fullmesh flag test"; then
2976 pm_nl_set_limits $ns1 4 4
2977 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2978 pm_nl_set_limits $ns2 4 4
2979 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
2984 # set nofullmesh flag
2985 if reset "set nofullmesh flag test"; then
2986 pm_nl_set_limits $ns1 4 4
2987 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
2988 pm_nl_set_limits $ns2 4 4
2989 run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
2994 # set backup,fullmesh flags
2995 if reset "set backup,fullmesh flags test"; then
2996 pm_nl_set_limits $ns1 4 4
2997 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
2998 pm_nl_set_limits $ns2 4 4
2999 run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
3005 # set nobackup,nofullmesh flags
3006 if reset "set nobackup,nofullmesh flags test"; then
3007 pm_nl_set_limits $ns1 4 4
3008 pm_nl_set_limits $ns2 4 4
3009 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
3010 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
3019 if reset "fastclose test"; then
3020 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
3023 chk_rst_nr 1 1 invert
3026 if reset "fastclose server test"; then
3027 run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
3029 chk_fclose_nr 1 1 invert
3036 tc -n $ns2 -j -s action show action pedit index 100 | \
3038 sed 's/.*"packets":\([0-9]\+\),.*/\1/'
3044 if reset_with_fail "Infinite map" 1; then
3045 run_tests $ns1 $ns2 10.0.1.1 128
3046 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
3047 chk_fail_nr 1 -1 invert
3051 if reset_with_fail "MP_FAIL MP_RST" 2; then
3052 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
3053 pm_nl_set_limits $ns1 0 1
3054 pm_nl_set_limits $ns2 0 1
3055 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3056 run_tests $ns1 $ns2 10.0.1.1 1024
3057 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
3063 # userspace pm type prevents add_addr
3064 if reset "userspace pm type prevents add_addr"; then
3065 set_userspace_pm $ns1
3066 pm_nl_set_limits $ns1 0 2
3067 pm_nl_set_limits $ns2 0 2
3068 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3069 run_tests $ns1 $ns2 10.0.1.1
3074 # userspace pm type does not echo add_addr without daemon
3075 if reset "userspace pm no echo w/o daemon"; then
3076 set_userspace_pm $ns2
3077 pm_nl_set_limits $ns1 0 2
3078 pm_nl_set_limits $ns2 0 2
3079 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3080 run_tests $ns1 $ns2 10.0.1.1
3085 # userspace pm type rejects join
3086 if reset "userspace pm type rejects join"; then
3087 set_userspace_pm $ns1
3088 pm_nl_set_limits $ns1 1 1
3089 pm_nl_set_limits $ns2 1 1
3090 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3091 run_tests $ns1 $ns2 10.0.1.1
3095 # userspace pm type does not send join
3096 if reset "userspace pm type does not send join"; then
3097 set_userspace_pm $ns2
3098 pm_nl_set_limits $ns1 1 1
3099 pm_nl_set_limits $ns2 1 1
3100 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3101 run_tests $ns1 $ns2 10.0.1.1
3105 # userspace pm type prevents mp_prio
3106 if reset "userspace pm type prevents mp_prio"; then
3107 set_userspace_pm $ns1
3108 pm_nl_set_limits $ns1 1 1
3109 pm_nl_set_limits $ns2 1 1
3110 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3111 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
3116 # userspace pm type prevents rm_addr
3117 if reset "userspace pm type prevents rm_addr"; then
3118 set_userspace_pm $ns1
3119 set_userspace_pm $ns2
3120 pm_nl_set_limits $ns1 0 1
3121 pm_nl_set_limits $ns2 0 1
3122 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3123 run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
3128 # userspace pm add & remove address
3129 if reset_with_events "userspace pm add & remove address"; then
3130 set_userspace_pm $ns1
3131 pm_nl_set_limits $ns2 1 1
3132 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
3135 chk_rm_nr 1 1 invert
3139 # userspace pm create destroy subflow
3140 if reset_with_events "userspace pm create destroy subflow"; then
3141 set_userspace_pm $ns2
3142 pm_nl_set_limits $ns1 0 1
3143 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
3152 # userspace pm type prevents add_addr
3153 if reset "implicit EP"; then
3154 pm_nl_set_limits $ns1 2 2
3155 pm_nl_set_limits $ns2 2 2
3156 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3157 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow 2>/dev/null &
3160 pm_nl_check_endpoint 1 "creation" \
3161 $ns2 10.0.2.2 id 1 flags implicit
3163 pm_nl_add_endpoint $ns2 10.0.2.2 id 33
3164 pm_nl_check_endpoint 0 "ID change is prevented" \
3165 $ns2 10.0.2.2 id 1 flags implicit
3167 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3168 pm_nl_check_endpoint 0 "modif is allowed" \
3169 $ns2 10.0.2.2 id 1 flags signal
3173 if reset "delete and re-add"; then
3174 pm_nl_set_limits $ns1 1 1
3175 pm_nl_set_limits $ns2 1 1
3176 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3177 run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
3180 chk_subflow_nr needtitle "before delete" 2
3181 chk_mptcp_info subflows_1
3183 pm_nl_del_endpoint $ns2 2 10.0.2.2
3185 chk_subflow_nr "" "after delete" 1
3186 chk_mptcp_info subflows_0
3188 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3190 chk_subflow_nr "" "after re-add" 2
3191 chk_mptcp_info subflows_1
3196 # [$1: error message]
3199 if [ -n "${1}" ]; then
3204 echo "mptcp_join usage:"
3207 for key in "${!all_tests[@]}"; do
3208 echo " -${key} ${all_tests[${key}]}"
3211 echo " -c capture pcap files"
3212 echo " -C enable data checksum"
3213 echo " -i use ip mptcp"
3216 echo "[test ids|names]"
3222 # Use a "simple" array to force an specific order we cannot have with an associative one
3225 e@subflows_error_tests
3226 s@signal_address_tests
3227 l@link_failure_tests
3228 t@add_addr_timeout_tests
3235 p@add_addr_ports_tests
3238 d@deny_join_id0_tests
3248 for subtests in "${all_tests_sorted[@]}"; do
3249 key="${subtests%@*}"
3250 value="${subtests#*@}"
3252 all_tests_args+="${key}"
3253 all_tests_names+=("${value}")
3254 all_tests[${key}]="${value}"
3258 while getopts "${all_tests_args}cCih" opt; do
3260 ["${all_tests_args}"])
3261 tests+=("${all_tests[${opt}]}")
3276 usage "Unknown option: -${opt}"
3281 shift $((OPTIND - 1))
3283 for arg in "${@}"; do
3284 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3285 only_tests_ids+=("${arg}")
3287 only_tests_names+=("${arg}")
3291 if [ ${#tests[@]} -eq 0 ]; then
3292 tests=("${all_tests_names[@]}")
3295 for subtests in "${tests[@]}"; do
3299 if [ ${ret} -ne 0 ]; then
3301 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3302 for i in $(get_failed_tests_ids); do
3303 echo -e "\t- ${i}: ${failed_tests[${i}]}"