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"
31 timeout_test=$((timeout_poll * 2 + 1))
47 declare -a only_tests_ids
48 declare -a only_tests_names
49 declare -A failed_tests
54 # These var are used only in some tests, make sure they are not already set
66 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
67 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
68 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
90 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
96 for netns in "$ns1" "$ns2"; do
97 ip netns add $netns || exit $ksft_skip
98 ip -net $netns link set lo up
99 ip netns exec $netns sysctl -q net.mptcp.enabled=1
100 ip netns exec $netns sysctl -q net.mptcp.pm_type=0 2>/dev/null || true
101 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
102 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
103 if [ $checksum -eq 1 ]; then
104 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
109 validate_checksum=$checksum
118 for i in $(seq 1 4); do
119 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
120 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
121 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
122 ip -net "$ns1" link set ns1eth$i up
124 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
125 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
126 ip -net "$ns2" link set ns2eth$i up
128 # let $ns2 reach any $ns1 address from any interface
129 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
130 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
137 for i in $(seq 1 4); do
138 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
139 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
148 for netns in "$ns1" "$ns2"; do
150 rm -f /tmp/$netns.{nstat,out}
156 mptcp_lib_check_mptcp
157 mptcp_lib_check_kallsyms
159 if ! ip -Version &> /dev/null; then
160 echo "SKIP: Could not run test without ip tool"
164 if ! ss -h | grep -q MPTCP; then
165 echo "SKIP: ss tool does not support MPTCP"
169 # Use the legacy version if available to support old kernel versions
170 if iptables-legacy -V &> /dev/null; then
171 iptables="iptables-legacy"
172 ip6tables="ip6tables-legacy"
173 elif ! iptables -V &> /dev/null; then
174 echo "SKIP: Could not run all tests without iptables tool"
176 elif ! ip6tables -V &> /dev/null; then
177 echo "SKIP: Could not run all tests without ip6tables tool"
197 make_file "$cin" "client" 1 >/dev/null
198 make_file "$sin" "server" 1 >/dev/null
203 rm -f "$cin" "$cout" "$sinfail"
204 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
206 rm -rf $evts_ns1 $evts_ns2
212 printf "%03u %s\n" "${TEST_COUNT}" "${TEST_NAME}"
217 printf "%-${nr_blank}s%-36s" " " "${*}"
222 # It can be empty, no need to print anything then
223 [ -z "${1}" ] && return
225 mptcp_lib_print_info " Info: ${*}"
230 mptcp_lib_print_ok "[ ok ]${1:+ ${*}}"
235 mptcp_lib_print_err "[fail]${1:+ ${*}}"
240 mptcp_lib_print_warn "[skip]${1:+ ${*}}"
246 local msg="${1:-"Feature not supported"}"
248 mptcp_lib_fail_if_expected_feature "${msg}"
267 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
272 for i in "${only_tests_ids[@]}"; do
273 if [ "${TEST_COUNT}" -eq "${i}" ]; then
277 for i in "${only_tests_names[@]}"; do
278 if [ "${TEST_NAME}" = "${i}" ]; then
286 append_prev_results()
288 if [ ${last_test_failed} -eq 1 ]; then
289 mptcp_lib_result_fail "${TEST_NAME}"
290 elif [ ${last_test_skipped} -eq 1 ]; then
291 mptcp_lib_result_skip "${TEST_NAME}"
292 elif [ ${last_test_ignored} -ne 1 ]; then
293 mptcp_lib_result_pass "${TEST_NAME}"
308 TEST_COUNT=$((TEST_COUNT+1))
317 if [ "${init}" != "1" ]; then
328 # $1: test name ; $2: counter to check
329 reset_check_counter()
331 reset "${1}" || return 1
335 if ! nstat -asz "${counter}" | grep -wq "${counter}"; then
336 mark_as_skipped "counter '${counter}' is not available"
344 reset "${1}" || return 1
347 for netns in "$ns1" "$ns2"; do
348 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
353 reset_with_add_addr_timeout()
358 reset "${1}" || return 1
361 if [ $ip -eq 6 ]; then
362 tables="${ip6tables}"
365 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
367 if ! ip netns exec $ns2 $tables -A OUTPUT -p tcp \
368 -m tcp --tcp-option 30 \
370 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
372 mark_as_skipped "unable to set the 'add addr' rule"
378 reset_with_checksum()
383 reset "checksum test ${1} ${2}" || return 1
385 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
386 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
391 reset_with_allow_join_id0()
396 reset "${1}" || return 1
398 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
399 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
402 # Modify TCP payload without corrupting the TCP packet
404 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
405 # carrying enough data.
406 # Once it is done, the TCP Checksum field is updated so the packet is still
407 # considered as valid at the TCP level.
408 # Because the MPTCP checksum, covering the TCP options and data, has not been
409 # updated, the modification will be detected and an MP_FAIL will be emitted:
410 # what we want to validate here without corrupting "random" MPTCP options.
412 # To avoid having tc producing this pr_info() message for each TCP ACK packets
413 # not carrying enough data:
415 # tc action pedit offset 162 out of bounds
417 # Netfilter is used to mark packets with enough data.
427 if [ $ip -eq 6 ]; then
428 tables="${ip6tables}"
431 ip netns exec $ns2 $tables \
436 -m length --length 150:9999 \
437 -m statistic --mode nth --packet 1 --every 99999 \
438 -j MARK --set-mark 42 || return ${ksft_skip}
440 tc -n $ns2 qdisc add dev ns2eth$i clsact || return ${ksft_skip}
441 tc -n $ns2 filter add dev ns2eth$i egress \
442 protocol ip prio 1000 \
444 action pedit munge offset 148 u8 invert \
446 index 100 || return ${ksft_skip}
451 reset_check_counter "${1}" "MPTcpExtInfiniteMapTx" || return 1
454 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
455 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
458 setup_fail_rules "${@}" || rc=$?
460 if [ ${rc} -eq ${ksft_skip} ]; then
461 mark_as_skipped "unable to set the 'fail' rules"
468 reset "${1}" || return 1
472 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
474 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
478 reset_with_tcp_filter()
480 reset "${1}" || return 1
487 if ! ip netns exec "${ns}" ${iptables} \
492 mark_as_skipped "unable to set the filter rules"
504 # just in case a test is marked twice as failed
505 if [ ${last_test_failed} -eq 0 ]; then
506 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
512 get_failed_tests_ids()
516 for i in "${!failed_tests[@]}"; do
530 if [ -n "$bytes" ]; then
532 # when truncating we must check the size explicitly
533 out_size=$(wc -c $out | awk '{print $1}')
534 if [ $out_size -ne $bytes ]; then
535 fail_test "$what output file has wrong size ($out_size, $bytes)"
539 # note: BusyBox's "cmp" command doesn't support --bytes
541 head --bytes="$bytes" "$in" > "$tmpfile"
543 head --bytes="$bytes" "$out" > "$tmpfile"
547 cmp -l "$in" "$out" | while read -r i a b; do
548 local sum=$((0${a} + 0${b}))
549 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
550 fail_test "$what does not match (in, out):"
551 mptcp_lib_print_file_err "$in"
552 mptcp_lib_print_file_err "$out"
556 print_info "$what has inverted byte at ${i}"
565 local listener_ns="$1"
566 local connector_ns="$2"
567 local connect_addr="$3"
569 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
570 fail_test "$listener_ns -> $connect_addr connectivity"
578 if [ -z "$FAILING_LINKS" ]; then
580 FAILING_LINKS=$((l+1))
584 for l in $FAILING_LINKS; do
585 local veth="ns1eth$l"
586 ip -net "$ns" link set "$veth" down
592 mptcp_lib_get_counter "${1}" "MPTcpExtRmAddr"
595 # $1: ns, $2: old rm_addr counter in $ns
603 for i in $(seq 10); do
604 cnt=$(rm_addr_count ${ns})
605 [ "$cnt" = "${old_cnt}" ] || break
612 mptcp_lib_get_counter "${1}" "MPTcpExtRmSubflow"
615 # $1: ns, $2: old rm_sf counter in $ns
623 for i in $(seq 10); do
624 cnt=$(rm_sf_count ${ns})
625 [ "$cnt" = "${old_cnt}" ] || break
635 old_cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
638 for i in $(seq 10); do
639 cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
640 [ "$cnt" = "${old_cnt}" ] || break
647 mptcp_lib_kill_wait $evts_ns1_pid
648 mptcp_lib_kill_wait $evts_ns2_pid
657 if [ $ip_mptcp -eq 1 ]; then
658 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
660 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
677 if [ $p = "flags" ]; then
679 [ -n "$_flags" ]; flags="flags $_flags"
681 if [ $p = "dev" ]; then
683 [ -n "$_dev" ]; dev="dev $_dev"
685 if [ $p = "id" ]; then
687 [ -n "$_id" ]; id="id $_id"
689 if [ $p = "port" ]; then
691 [ -n "$_port" ]; port="port $_port"
697 if [ $ip_mptcp -eq 1 ]; then
698 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
700 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
710 if [ $ip_mptcp -eq 1 ]; then
711 [ $id -ne 0 ] && addr=''
712 ip -n $ns mptcp endpoint delete id $id $addr
714 ip netns exec $ns ./pm_nl_ctl del $id $addr
718 pm_nl_flush_endpoint()
722 if [ $ip_mptcp -eq 1 ]; then
723 ip -n $ns mptcp endpoint flush
725 ip netns exec $ns ./pm_nl_ctl flush
729 pm_nl_show_endpoints()
733 if [ $ip_mptcp -eq 1 ]; then
734 ip -n $ns mptcp endpoint show
736 ip netns exec $ns ./pm_nl_ctl dump
740 pm_nl_change_endpoint()
746 if [ $ip_mptcp -eq 1 ]; then
747 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
749 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
753 pm_nl_check_endpoint()
755 local line expected_line
770 while [ -n "$1" ]; do
771 if [ $1 = "flags" ]; then
773 [ -n "$_flags" ]; flags="flags $_flags"
775 elif [ $1 = "dev" ]; then
776 [ -n "$2" ]; dev="dev $1"
778 elif [ $1 = "id" ]; then
780 [ -n "$_id" ]; id="id $_id"
782 elif [ $1 = "port" ]; then
784 [ -n "$_port" ]; port=" port $_port"
791 if [ -z "$id" ]; then
792 test_fail "bad test - missing endpoint id"
796 if [ $ip_mptcp -eq 1 ]; then
797 # get line and trim trailing whitespace
798 line=$(ip -n $ns mptcp endpoint show $id)
800 # the dump order is: address id flags port dev
801 [ -n "$addr" ] && expected_line="$addr"
802 expected_line="$expected_line $id"
803 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
804 [ -n "$dev" ] && expected_line="$expected_line $dev"
805 [ -n "$port" ] && expected_line="$expected_line $port"
807 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
808 # the dump order is: id flags dev address port
810 [ -n "$flags" ] && expected_line="$expected_line $flags"
811 [ -n "$dev" ] && expected_line="$expected_line $dev"
812 [ -n "$addr" ] && expected_line="$expected_line $addr"
813 [ -n "$_port" ] && expected_line="$expected_line $_port"
815 if [ "$line" = "$expected_line" ]; then
818 fail_test "expected '$expected_line' found '$line'"
824 local listener_ns="$1"
825 local connector_ns="$2"
826 local connect_addr="$3"
828 local addr_nr_ns1=${addr_nr_ns1:-0}
829 local addr_nr_ns2=${addr_nr_ns2:-0}
830 local sflags=${sflags:-""}
831 local fullmesh=${fullmesh:-""}
833 local flags="subflow"
834 if [ -n "${fullmesh}" ]; then
835 flags="${flags},fullmesh"
836 addr_nr_ns2=${fullmesh}
839 # let the mptcp subflow be established in background before
840 # do endpoint manipulation
841 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
845 if [ $addr_nr_ns1 -gt 0 ]; then
847 local add_nr_ns1=${addr_nr_ns1}
849 while [ $add_nr_ns1 -gt 0 ]; do
851 if mptcp_lib_is_v6 "${connect_addr}"; then
852 addr="dead:beef:$counter::1"
854 addr="10.0.$counter.1"
856 pm_nl_add_endpoint $ns1 $addr flags signal
857 counter=$((counter + 1))
858 add_nr_ns1=$((add_nr_ns1 - 1))
861 elif [ $addr_nr_ns1 -lt 0 ]; then
862 local rm_nr_ns1=$((-addr_nr_ns1))
863 if [ $rm_nr_ns1 -lt 8 ]; then
866 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
867 # shellcheck disable=SC2206 # we do want to split per word
872 for i in "${arr[@]}"; do
873 if [ $i = "id" ]; then
874 if [ $counter -eq $rm_nr_ns1 ]; then
878 rm_addr=$(rm_addr_count ${connector_ns})
879 pm_nl_del_endpoint ${listener_ns} $id
880 wait_rm_addr ${connector_ns} ${rm_addr}
881 counter=$((counter + 1))
886 elif [ $rm_nr_ns1 -eq 8 ]; then
887 pm_nl_flush_endpoint ${listener_ns}
888 elif [ $rm_nr_ns1 -eq 9 ]; then
889 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
893 # if newly added endpoints must be deleted, give the background msk
894 # some time to created them
895 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
897 if [ $addr_nr_ns2 -gt 0 ]; then
898 local add_nr_ns2=${addr_nr_ns2}
901 while [ $add_nr_ns2 -gt 0 ]; do
903 if mptcp_lib_is_v6 "${connect_addr}"; then
904 addr="dead:beef:$counter::2"
906 addr="10.0.$counter.2"
908 pm_nl_add_endpoint $ns2 $addr flags $flags
909 counter=$((counter + 1))
910 add_nr_ns2=$((add_nr_ns2 - 1))
913 elif [ $addr_nr_ns2 -lt 0 ]; then
914 local rm_nr_ns2=$((-addr_nr_ns2))
915 if [ $rm_nr_ns2 -lt 8 ]; then
918 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
919 # shellcheck disable=SC2206 # we do want to split per word
924 for i in "${arr[@]}"; do
925 if [ $i = "id" ]; then
926 if [ $counter -eq $rm_nr_ns2 ]; then
930 # rm_addr are serialized, allow the previous one to
933 rm_addr=$(rm_addr_count ${listener_ns})
934 pm_nl_del_endpoint ${connector_ns} $id
935 wait_rm_addr ${listener_ns} ${rm_addr}
936 counter=$((counter + 1))
941 elif [ $rm_nr_ns2 -eq 8 ]; then
942 pm_nl_flush_endpoint ${connector_ns}
943 elif [ $rm_nr_ns2 -eq 9 ]; then
945 if mptcp_lib_is_v6 "${connect_addr}"; then
946 addr="dead:beef:1::2"
950 pm_nl_del_endpoint ${connector_ns} 0 $addr
954 if [ -n "${sflags}" ]; then
958 for netns in "$ns1" "$ns2"; do
960 pm_nl_show_endpoints $netns | while read -r line; do
961 # shellcheck disable=SC2206 # we do want to split per word
967 for i in "${arr[@]}"; do
968 if [ $i = "id" ]; then
973 pm_nl_change_endpoint $netns $id $sflags
985 print_check "cestab $cestab"
986 count=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPCurrEstab")
987 if [ -z "$count" ]; then
989 elif [ "$count" != "$cestab" ]; then
990 fail_test "got $count current establish[s] expected $cestab"
996 # $1 namespace 1, $2 namespace 2
999 if [ -n "${cestab_ns1}" ]; then
1000 chk_cestab_nr ${1} ${cestab_ns1}
1002 if [ -n "${cestab_ns2}" ]; then
1003 chk_cestab_nr ${2} ${cestab_ns2}
1009 local listener_ns="$1"
1010 local connector_ns="$2"
1012 local srv_proto="$4"
1013 local connect_addr="$5"
1015 local port=$((10000 + TEST_COUNT - 1))
1017 local FAILING_LINKS=${FAILING_LINKS:-""}
1018 local fastclose=${fastclose:-""}
1019 local speed=${speed:-"fast"}
1025 if [ $capture -eq 1 ]; then
1027 if [ -z $SUDO_USER ] ; then
1030 capuser="-Z $SUDO_USER"
1033 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
1035 echo "Capturing traffic for test $TEST_COUNT into $capfile"
1036 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
1042 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1044 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1048 if [ $speed = "fast" ]; then
1050 elif [ $speed = "slow" ]; then
1052 elif [ $speed -gt 0 ]; then
1053 extra_args="-r ${speed}"
1056 local extra_cl_args=""
1057 local extra_srv_args=""
1059 if [ -n "${fastclose}" ]; then
1060 if [ ${test_linkfail} -le 1 ]; then
1061 fail_test "fastclose tests need test_linkfail argument"
1066 trunc_size=${test_linkfail}
1067 local side=${fastclose}
1069 if [ ${side} = "client" ]; then
1070 extra_cl_args="-f ${test_linkfail}"
1071 extra_srv_args="-f -1"
1072 elif [ ${side} = "server" ]; then
1073 extra_srv_args="-f ${test_linkfail}"
1074 extra_cl_args="-f -1"
1076 fail_test "wrong/unknown fastclose spec ${side}"
1081 extra_srv_args="$extra_args $extra_srv_args"
1082 if [ "$test_linkfail" -gt 1 ];then
1083 timeout ${timeout_test} \
1084 ip netns exec ${listener_ns} \
1085 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1086 $extra_srv_args "::" < "$sinfail" > "$sout" &
1088 timeout ${timeout_test} \
1089 ip netns exec ${listener_ns} \
1090 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1091 $extra_srv_args "::" < "$sin" > "$sout" &
1095 mptcp_lib_wait_local_port_listen "${listener_ns}" "${port}"
1097 extra_cl_args="$extra_args $extra_cl_args"
1098 if [ "$test_linkfail" -eq 0 ];then
1099 timeout ${timeout_test} \
1100 ip netns exec ${connector_ns} \
1101 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1102 $extra_cl_args $connect_addr < "$cin" > "$cout" &
1103 elif [ "$test_linkfail" -eq 1 ] || [ "$test_linkfail" -eq 2 ];then
1104 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
1106 timeout ${timeout_test} \
1107 ip netns exec ${connector_ns} \
1108 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1109 $extra_cl_args $connect_addr > "$cout" &
1111 tee "$cinsent" < "$cinfail" | \
1112 timeout ${timeout_test} \
1113 ip netns exec ${connector_ns} \
1114 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1115 $extra_cl_args $connect_addr > "$cout" &
1119 pm_nl_set_endpoint $listener_ns $connector_ns $connect_addr
1120 check_cestab $listener_ns $connector_ns
1127 if [ $capture -eq 1 ]; then
1132 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1133 nstat | grep Tcp > /tmp/${listener_ns}.out
1134 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1135 nstat | grep Tcp > /tmp/${connector_ns}.out
1137 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1138 fail_test "client exit code $retc, server $rets"
1139 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1140 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1141 cat /tmp/${listener_ns}.out
1142 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1143 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1144 cat /tmp/${connector_ns}.out
1150 if [ "$test_linkfail" -gt 1 ];then
1151 check_transfer $sinfail $cout "file received by client" $trunc_size
1153 check_transfer $sin $cout "file received by client" $trunc_size
1156 if [ "$test_linkfail" -eq 0 ];then
1157 check_transfer $cin $sout "file received by server" $trunc_size
1159 check_transfer $cinsent $sout "file received by server" $trunc_size
1163 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1178 mptcp_lib_make_file $name 1024 $size
1180 print_info "Test file (size $size KB) for $who"
1185 local listener_ns="$1"
1186 local connector_ns="$2"
1187 local connect_addr="$3"
1190 local test_linkfail=${test_linkfail:-0}
1192 # The values above 2 are reused to make test files
1193 # with the given sizes (KB)
1194 if [ "$test_linkfail" -gt 2 ]; then
1197 if [ -z "$cinfail" ]; then
1200 make_file "$cinfail" "client" $size
1201 # create the input file for the failure test when
1202 # the first failure test run
1203 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1204 # the client file must be considerably larger
1205 # of the maximum expected cwin value, or the
1206 # link utilization will be not predicable
1210 size=$((size + ( RANDOM % 8192) ))
1213 make_file "$cinfail" "client" $size
1216 if [ "$test_linkfail" -gt 2 ]; then
1219 if [ -z "$sinfail" ]; then
1222 make_file "$sinfail" "server" $size
1223 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1229 make_file "$sinfail" "server" $size
1232 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
1237 echo Server ns stats
1238 ip netns exec $ns1 nstat -as | grep Tcp
1239 echo Client ns stats
1240 ip netns exec $ns2 nstat -as | grep Tcp
1245 local csum_ns1=${1:-0}
1246 local csum_ns2=${2:-0}
1249 local allow_multi_errors_ns1=0
1250 local allow_multi_errors_ns2=0
1252 if [[ "${csum_ns1}" = "+"* ]]; then
1253 allow_multi_errors_ns1=1
1254 csum_ns1=${csum_ns1:1}
1256 if [[ "${csum_ns2}" = "+"* ]]; then
1257 allow_multi_errors_ns2=1
1258 csum_ns2=${csum_ns2:1}
1262 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtDataCsumErr")
1263 if [ "$count" != "$csum_ns1" ]; then
1264 extra_msg="$extra_msg ns1=$count"
1266 if [ -z "$count" ]; then
1268 elif { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1269 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1270 fail_test "got $count data checksum error[s] expected $csum_ns1"
1275 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtDataCsumErr")
1276 if [ "$count" != "$csum_ns2" ]; then
1277 extra_msg="$extra_msg ns2=$count"
1279 if [ -z "$count" ]; then
1281 elif { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1282 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1283 fail_test "got $count data checksum error[s] expected $csum_ns2"
1288 print_info "$extra_msg"
1295 local ns_invert=${3:-""}
1300 local allow_tx_lost=0
1301 local allow_rx_lost=0
1303 if [[ $ns_invert = "invert" ]]; then
1309 if [[ "${fail_tx}" = "-"* ]]; then
1311 fail_tx=${fail_tx:1}
1313 if [[ "${fail_rx}" = "-"* ]]; then
1315 fail_rx=${fail_rx:1}
1319 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFailTx")
1320 if [ "$count" != "$fail_tx" ]; then
1321 extra_msg="$extra_msg,tx=$count"
1323 if [ -z "$count" ]; then
1325 elif { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1326 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1327 fail_test "got $count MP_FAIL[s] TX expected $fail_tx"
1332 print_check "failrx"
1333 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFailRx")
1334 if [ "$count" != "$fail_rx" ]; then
1335 extra_msg="$extra_msg,rx=$count"
1337 if [ -z "$count" ]; then
1339 elif { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1340 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1341 fail_test "got $count MP_FAIL[s] RX expected $fail_rx"
1346 print_info "$extra_msg"
1359 if [[ $ns_invert = "invert" ]]; then
1366 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
1367 if [ -z "$count" ]; then
1369 elif [ "$count" != "$fclose_tx" ]; then
1370 extra_msg="$extra_msg,tx=$count"
1371 fail_test "got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1376 print_check "fclzrx"
1377 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
1378 if [ -z "$count" ]; then
1380 elif [ "$count" != "$fclose_rx" ]; then
1381 extra_msg="$extra_msg,rx=$count"
1382 fail_test "got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1387 print_info "$extra_msg"
1394 local ns_invert=${3:-""}
1400 if [[ $ns_invert = "invert" ]]; then
1407 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPRstTx")
1408 if [ -z "$count" ]; then
1410 # accept more rst than expected except if we don't expect any
1411 elif { [ $rst_tx -ne 0 ] && [ $count -lt $rst_tx ]; } ||
1412 { [ $rst_tx -eq 0 ] && [ $count -ne 0 ]; }; then
1413 fail_test "got $count MP_RST[s] TX expected $rst_tx"
1419 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPRstRx")
1420 if [ -z "$count" ]; then
1422 # accept more rst than expected except if we don't expect any
1423 elif { [ $rst_rx -ne 0 ] && [ $count -lt $rst_rx ]; } ||
1424 { [ $rst_rx -eq 0 ] && [ $count -ne 0 ]; }; then
1425 fail_test "got $count MP_RST[s] RX expected $rst_rx"
1430 print_info "$extra_msg"
1440 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtInfiniteMapTx")
1441 if [ -z "$count" ]; then
1443 elif [ "$count" != "$infi_tx" ]; then
1444 fail_test "got $count infinite map[s] TX expected $infi_tx"
1449 print_check "infirx"
1450 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtInfiniteMapRx")
1451 if [ -z "$count" ]; then
1453 elif [ "$count" != "$infi_rx" ]; then
1454 fail_test "got $count infinite map[s] RX expected $infi_rx"
1465 local csum_ns1=${4:-0}
1466 local csum_ns2=${5:-0}
1467 local fail_nr=${6:-0}
1468 local rst_nr=${7:-0}
1469 local infi_nr=${8:-0}
1470 local corrupted_pkts=${9:-0}
1474 if [ "${corrupted_pkts}" -gt 0 ]; then
1475 print_info "${corrupted_pkts} corrupted pkts"
1479 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinSynRx")
1480 if [ -z "$count" ]; then
1482 elif [ "$count" != "$syn_nr" ]; then
1483 fail_test "got $count JOIN[s] syn expected $syn_nr"
1488 print_check "synack"
1489 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1490 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
1491 if [ -z "$count" ]; then
1493 elif [ "$count" != "$syn_ack_nr" ]; then
1494 # simult connections exceeding the limit with cookie enabled could go up to
1495 # synack validation as the conn limit can be enforced reliably only after
1496 # the subflow creation
1497 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1500 fail_test "got $count JOIN[s] synack expected $syn_ack_nr"
1507 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinAckRx")
1508 if [ -z "$count" ]; then
1510 elif [ "$count" != "$ack_nr" ]; then
1511 fail_test "got $count JOIN[s] ack expected $ack_nr"
1515 if [ $validate_checksum -eq 1 ]; then
1516 chk_csum_nr $csum_ns1 $csum_ns2
1517 chk_fail_nr $fail_nr $fail_nr
1518 chk_rst_nr $rst_nr $rst_nr
1519 chk_infi_nr $infi_nr $infi_nr
1523 # a negative value for 'stale_max' means no upper bound:
1524 # for bidirectional transfer, if one peer sleep for a while
1525 # - as these tests do - we can have a quite high number of
1526 # stale/recover conversions, proportional to
1527 # sleep duration/ MPTCP-level RTX interval.
1533 local stale_delta=$4
1540 stale_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowStale")
1541 recover_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowRecover")
1542 if [ -z "$stale_nr" ] || [ -z "$recover_nr" ]; then
1544 elif [ $stale_nr -lt $stale_min ] ||
1545 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1546 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1547 fail_test "got $stale_nr stale[s] $recover_nr recover[s], " \
1548 " expected stale in range [$stale_min..$stale_max]," \
1549 " stale-recover delta $stale_delta"
1555 if [ "${dump_stats}" = 1 ]; then
1557 ip netns exec $ns ip -s link show
1558 ip netns exec $ns nstat -as | grep MPTcp
1566 local port_nr=${3:-0}
1567 local syn_nr=${4:-$port_nr}
1568 local syn_ack_nr=${5:-$port_nr}
1569 local ack_nr=${6:-$port_nr}
1570 local mis_syn_nr=${7:-0}
1571 local mis_ack_nr=${8:-0}
1575 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1578 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtAddAddr")
1579 if [ -z "$count" ]; then
1581 # if the test configured a short timeout tolerate greater then expected
1582 # add addrs options, due to retransmissions
1583 elif [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1584 fail_test "got $count ADD_ADDR[s] expected $add_nr"
1590 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtEchoAdd")
1591 if [ -z "$count" ]; then
1593 elif [ "$count" != "$echo_nr" ]; then
1594 fail_test "got $count ADD_ADDR echo[s] expected $echo_nr"
1599 if [ $port_nr -gt 0 ]; then
1601 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtPortAdd")
1602 if [ -z "$count" ]; then
1604 elif [ "$count" != "$port_nr" ]; then
1605 fail_test "got $count ADD_ADDR[s] with a port-number expected $port_nr"
1611 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
1612 if [ -z "$count" ]; then
1614 elif [ "$count" != "$syn_nr" ]; then
1615 fail_test "got $count JOIN[s] syn with a different \
1616 port-number expected $syn_nr"
1621 print_check "synack"
1622 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
1623 if [ -z "$count" ]; then
1625 elif [ "$count" != "$syn_ack_nr" ]; then
1626 fail_test "got $count JOIN[s] synack with a different \
1627 port-number expected $syn_ack_nr"
1633 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
1634 if [ -z "$count" ]; then
1636 elif [ "$count" != "$ack_nr" ]; then
1637 fail_test "got $count JOIN[s] ack with a different \
1638 port-number expected $ack_nr"
1644 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
1645 if [ -z "$count" ]; then
1647 elif [ "$count" != "$mis_syn_nr" ]; then
1648 fail_test "got $count JOIN[s] syn with a mismatched \
1649 port-number expected $mis_syn_nr"
1655 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
1656 if [ -z "$count" ]; then
1658 elif [ "$count" != "$mis_ack_nr" ]; then
1659 fail_test "got $count JOIN[s] ack with a mismatched \
1660 port-number expected $mis_ack_nr"
1674 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1676 print_check "add TX"
1677 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTx")
1678 if [ -z "$count" ]; then
1680 # if the test configured a short timeout tolerate greater then expected
1681 # add addrs options, due to retransmissions
1682 elif [ "$count" != "$add_tx_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
1683 fail_test "got $count ADD_ADDR[s] TX, expected $add_tx_nr"
1688 print_check "echo TX"
1689 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtEchoAddTx")
1690 if [ -z "$count" ]; then
1692 elif [ "$count" != "$echo_tx_nr" ]; then
1693 fail_test "got $count ADD_ADDR echo[s] TX, expected $echo_tx_nr"
1702 local rm_subflow_nr=$2
1707 local subflow_ns=$ns2
1711 while [ -n "$1" ]; do
1712 [ "$1" = "invert" ] && invert=true
1713 [ "$1" = "simult" ] && simult=true
1717 if [ -z $invert ]; then
1720 elif [ $invert = "true" ]; then
1727 count=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmAddr")
1728 if [ -z "$count" ]; then
1730 elif [ "$count" != "$rm_addr_nr" ]; then
1731 fail_test "got $count RM_ADDR[s] expected $rm_addr_nr"
1737 count=$(mptcp_lib_get_counter ${subflow_ns} "MPTcpExtRmSubflow")
1738 if [ -z "$count" ]; then
1740 elif [ -n "$simult" ]; then
1743 cnt=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmSubflow")
1745 # in case of simult flush, the subflow removal count on each side is
1747 count=$((count + cnt))
1748 if [ "$count" != "$rm_subflow_nr" ]; then
1749 suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1750 extra_msg="$extra_msg simult"
1752 if [ $count -ge "$rm_subflow_nr" ] && \
1753 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1756 fail_test "got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1758 elif [ "$count" != "$rm_subflow_nr" ]; then
1759 fail_test "got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1764 print_info "$extra_msg"
1769 local rm_addr_tx_nr=$1
1772 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtRmAddrTx")
1773 if [ -z "$count" ]; then
1775 elif [ "$count" != "$rm_addr_tx_nr" ]; then
1776 fail_test "got $count RM_ADDR[s] expected $rm_addr_tx_nr"
1784 local mp_prio_nr_tx=$1
1785 local mp_prio_nr_rx=$2
1789 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioTx")
1790 if [ -z "$count" ]; then
1792 elif [ "$count" != "$mp_prio_nr_tx" ]; then
1793 fail_test "got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1799 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioRx")
1800 if [ -z "$count" ]; then
1802 elif [ "$count" != "$mp_prio_nr_rx" ]; then
1803 fail_test "got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1817 print_check "${msg}"
1819 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1820 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1821 if [ "$cnt1" != "$subflow_nr" ] || [ "$cnt2" != "$subflow_nr" ]; then
1822 fail_test "got $cnt1:$cnt2 subflows expected $subflow_nr"
1828 if [ "${dump_stats}" = 1 ]; then
1830 ss -N $ns1 -tOni | grep token
1831 ip -n $ns1 mptcp endpoint
1845 print_check "mptcp_info ${info1:0:15}=$exp1:$exp2"
1847 cnt1=$(ss -N $ns1 -inmHM | mptcp_lib_get_info_value "$info1" "$info1")
1848 cnt2=$(ss -N $ns2 -inmHM | mptcp_lib_get_info_value "$info2" "$info2")
1849 # 'ss' only display active connections and counters that are not 0.
1850 [ -z "$cnt1" ] && cnt1=0
1851 [ -z "$cnt2" ] && cnt2=0
1853 if [ "$cnt1" != "$exp1" ] || [ "$cnt2" != "$exp2" ]; then
1854 fail_test "got $cnt1:$cnt2 $info1:$info2 expected $exp1:$exp2"
1860 if [ "$dump_stats" = 1 ]; then
1866 # $1: subflows in ns1 ; $2: subflows in ns2
1867 # number of all subflows, including the initial subflow.
1868 chk_subflows_total()
1872 local info="subflows_total"
1875 # if subflows_total counter is supported, use it:
1876 if [ -n "$(ss -N $ns1 -inmHM | mptcp_lib_get_info_value $info $info)" ]; then
1877 chk_mptcp_info $info $1 $info $2
1881 print_check "$info $1:$2"
1883 # if not, count the TCP connections that are in fact MPTCP subflows
1884 cnt1=$(ss -N $ns1 -ti state established state syn-sent state syn-recv |
1885 grep -c tcp-ulp-mptcp)
1886 cnt2=$(ss -N $ns2 -ti state established state syn-sent state syn-recv |
1887 grep -c tcp-ulp-mptcp)
1889 if [ "$1" != "$cnt1" ] || [ "$2" != "$cnt2" ]; then
1890 fail_test "got subflows $cnt1:$cnt2 expected $1:$2"
1896 if [ "$dump_stats" = 1 ]; then
1907 local expected_rate=$4
1909 local tx_link tx_total
1910 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1911 tx_total=$(stat --format=%s $out)
1912 local tx_rate=$((tx_link * 100 / tx_total))
1915 print_check "link usage"
1916 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1917 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1918 fail_test "got $tx_rate% usage, expected $expected_rate%"
1926 local timeout_ms=$((timeout_poll * 1000))
1930 while [ $time -lt $timeout_ms ]; do
1933 cnt=$(mptcp_lib_get_counter ${ns} "TcpAttemptFails")
1935 [ "$cnt" = 1 ] && return 1
1936 time=$((time + 100))
1946 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1951 if reset "no JOIN"; then
1952 run_tests $ns1 $ns2 10.0.1.1
1956 # subflow limited by client
1957 if reset "single subflow, limited by client"; then
1958 pm_nl_set_limits $ns1 0 0
1959 pm_nl_set_limits $ns2 0 0
1960 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1961 run_tests $ns1 $ns2 10.0.1.1
1965 # subflow limited by server
1966 if reset "single subflow, limited by server"; then
1967 pm_nl_set_limits $ns1 0 0
1968 pm_nl_set_limits $ns2 0 1
1969 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1970 run_tests $ns1 $ns2 10.0.1.1
1975 if reset "single subflow"; then
1976 pm_nl_set_limits $ns1 0 1
1977 pm_nl_set_limits $ns2 0 1
1978 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1979 run_tests $ns1 $ns2 10.0.1.1
1984 if reset "multiple subflows"; then
1985 pm_nl_set_limits $ns1 0 2
1986 pm_nl_set_limits $ns2 0 2
1987 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1988 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1989 run_tests $ns1 $ns2 10.0.1.1
1993 # multiple subflows limited by server
1994 if reset "multiple subflows, limited by server"; then
1995 pm_nl_set_limits $ns1 0 1
1996 pm_nl_set_limits $ns2 0 2
1997 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1998 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1999 run_tests $ns1 $ns2 10.0.1.1
2003 # single subflow, dev
2004 if reset "single subflow, dev"; then
2005 pm_nl_set_limits $ns1 0 1
2006 pm_nl_set_limits $ns2 0 1
2007 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
2008 run_tests $ns1 $ns2 10.0.1.1
2013 subflows_error_tests()
2015 # If a single subflow is configured, and matches the MPC src
2016 # address, no additional subflow should be created
2017 if reset "no MPC reuse with single endpoint"; then
2018 pm_nl_set_limits $ns1 0 1
2019 pm_nl_set_limits $ns2 0 1
2020 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2022 run_tests $ns1 $ns2 10.0.1.1
2026 # multiple subflows, with subflow creation error
2027 if reset_with_tcp_filter "multi subflows, with failing subflow" ns1 10.0.3.2 REJECT &&
2028 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2029 pm_nl_set_limits $ns1 0 2
2030 pm_nl_set_limits $ns2 0 2
2031 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2032 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2034 run_tests $ns1 $ns2 10.0.1.1
2038 # multiple subflows, with subflow timeout on MPJ
2039 if reset_with_tcp_filter "multi subflows, with subflow timeout" ns1 10.0.3.2 DROP &&
2040 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2041 pm_nl_set_limits $ns1 0 2
2042 pm_nl_set_limits $ns2 0 2
2043 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2044 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2046 run_tests $ns1 $ns2 10.0.1.1
2050 # multiple subflows, check that the endpoint corresponding to
2051 # closed subflow (due to reset) is not reused if additional
2052 # subflows are added later
2053 if reset_with_tcp_filter "multi subflows, fair usage on close" ns1 10.0.3.2 REJECT &&
2054 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2055 pm_nl_set_limits $ns1 0 1
2056 pm_nl_set_limits $ns2 0 1
2057 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2059 run_tests $ns1 $ns2 10.0.1.1 &
2061 # mpj subflow will be in TW after the reset
2062 wait_attempt_fail $ns2
2063 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2066 # additional subflow could be created only if the PM select
2067 # the later endpoint, skipping the already used one
2072 signal_address_tests()
2074 # add_address, unused
2075 if reset "unused signal address"; then
2076 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2077 run_tests $ns1 $ns2 10.0.1.1
2083 # accept and use add_addr
2084 if reset "signal address"; then
2085 pm_nl_set_limits $ns1 0 1
2086 pm_nl_set_limits $ns2 1 1
2087 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2088 run_tests $ns1 $ns2 10.0.1.1
2093 # accept and use add_addr with an additional subflow
2094 # note: signal address in server ns and local addresses in client ns must
2095 # belong to different subnets or one of the listed local address could be
2096 # used for 'add_addr' subflow
2097 if reset "subflow and signal"; then
2098 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2099 pm_nl_set_limits $ns1 0 2
2100 pm_nl_set_limits $ns2 1 2
2101 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2102 run_tests $ns1 $ns2 10.0.1.1
2107 # accept and use add_addr with additional subflows
2108 if reset "multiple subflows and signal"; then
2109 pm_nl_set_limits $ns1 0 3
2110 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2111 pm_nl_set_limits $ns2 1 3
2112 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2113 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2114 run_tests $ns1 $ns2 10.0.1.1
2120 if reset "signal addresses"; then
2121 pm_nl_set_limits $ns1 3 3
2122 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2123 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2124 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2125 pm_nl_set_limits $ns2 3 3
2126 run_tests $ns1 $ns2 10.0.1.1
2131 # signal invalid addresses
2132 if reset "signal invalid addresses"; then
2133 pm_nl_set_limits $ns1 3 3
2134 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2135 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2136 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2137 pm_nl_set_limits $ns2 3 3
2138 run_tests $ns1 $ns2 10.0.1.1
2143 # signal addresses race test
2144 if reset "signal addresses race test"; then
2145 pm_nl_set_limits $ns1 4 4
2146 pm_nl_set_limits $ns2 4 4
2147 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2148 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2149 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2150 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2151 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
2152 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
2153 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
2154 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
2156 # the peer could possibly miss some addr notification, allow retransmission
2157 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
2159 run_tests $ns1 $ns2 10.0.1.1
2161 # It is not directly linked to the commit introducing this
2162 # symbol but for the parent one which is linked anyway.
2163 if ! mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2168 # the server will not signal the address terminating
2175 link_failure_tests()
2177 # accept and use add_addr with additional subflows and link loss
2178 if reset "multiple flows, signal, link failure"; then
2179 # without any b/w limit each veth could spool the packets and get
2180 # them acked at xmit time, so that the corresponding subflow will
2181 # have almost always no outstanding pkts, the scheduler will pick
2182 # always the first subflow and we will have hard time testing
2183 # active backup and link switch-over.
2184 # Let's set some arbitrary (low) virtual link limits.
2186 pm_nl_set_limits $ns1 0 3
2187 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2188 pm_nl_set_limits $ns2 1 3
2189 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2190 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2192 run_tests $ns1 $ns2 10.0.1.1
2195 chk_stale_nr $ns2 1 5 1
2198 # accept and use add_addr with additional subflows and link loss
2199 # for bidirectional transfer
2200 if reset "multi flows, signal, bidi, link fail"; then
2202 pm_nl_set_limits $ns1 0 3
2203 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2204 pm_nl_set_limits $ns2 1 3
2205 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2206 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2208 run_tests $ns1 $ns2 10.0.1.1
2211 chk_stale_nr $ns2 1 -1 1
2214 # 2 subflows plus 1 backup subflow with a lossy link, backup
2215 # will never be used
2216 if reset "backup subflow unused, link failure"; then
2218 pm_nl_set_limits $ns1 0 2
2219 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2220 pm_nl_set_limits $ns2 1 2
2221 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2222 FAILING_LINKS="1" test_linkfail=1 \
2223 run_tests $ns1 $ns2 10.0.1.1
2226 chk_link_usage $ns2 ns2eth3 $cinsent 0
2229 # 2 lossy links after half transfer, backup will get half of
2231 if reset "backup flow used, multi links fail"; then
2233 pm_nl_set_limits $ns1 0 2
2234 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2235 pm_nl_set_limits $ns2 1 2
2236 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2237 FAILING_LINKS="1 2" test_linkfail=1 \
2238 run_tests $ns1 $ns2 10.0.1.1
2241 chk_stale_nr $ns2 2 4 2
2242 chk_link_usage $ns2 ns2eth3 $cinsent 50
2245 # use a backup subflow with the first subflow on a lossy link
2246 # for bidirectional transfer
2247 if reset "backup flow used, bidi, link failure"; then
2249 pm_nl_set_limits $ns1 0 2
2250 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2251 pm_nl_set_limits $ns2 1 3
2252 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2253 FAILING_LINKS="1 2" test_linkfail=2 \
2254 run_tests $ns1 $ns2 10.0.1.1
2257 chk_stale_nr $ns2 1 -1 2
2258 chk_link_usage $ns2 ns2eth3 $cinsent 50
2262 add_addr_timeout_tests()
2265 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2266 pm_nl_set_limits $ns1 0 1
2267 pm_nl_set_limits $ns2 1 1
2268 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2270 run_tests $ns1 $ns2 10.0.1.1
2276 # add_addr timeout IPv6
2277 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2278 pm_nl_set_limits $ns1 0 1
2279 pm_nl_set_limits $ns2 1 1
2280 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2282 run_tests $ns1 $ns2 dead:beef:1::1
2287 # signal addresses timeout
2288 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2289 pm_nl_set_limits $ns1 2 2
2290 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2291 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2292 pm_nl_set_limits $ns2 2 2
2294 run_tests $ns1 $ns2 10.0.1.1
2299 # signal invalid addresses timeout
2300 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2301 pm_nl_set_limits $ns1 2 2
2302 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2303 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2304 pm_nl_set_limits $ns2 2 2
2306 run_tests $ns1 $ns2 10.0.1.1
2314 # single subflow, remove
2315 if reset "remove single subflow"; then
2316 pm_nl_set_limits $ns1 0 1
2317 pm_nl_set_limits $ns2 0 1
2318 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2319 addr_nr_ns2=-1 speed=slow \
2320 run_tests $ns1 $ns2 10.0.1.1
2327 # multiple subflows, remove
2328 if reset "remove multiple subflows"; then
2329 pm_nl_set_limits $ns1 0 2
2330 pm_nl_set_limits $ns2 0 2
2331 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2332 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2333 addr_nr_ns2=-2 speed=slow \
2334 run_tests $ns1 $ns2 10.0.1.1
2340 # single address, remove
2341 if reset "remove single address"; then
2342 pm_nl_set_limits $ns1 0 1
2343 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2344 pm_nl_set_limits $ns2 1 1
2345 addr_nr_ns1=-1 speed=slow \
2346 run_tests $ns1 $ns2 10.0.1.1
2349 chk_rm_nr 1 1 invert
2353 # subflow and signal, remove
2354 if reset "remove subflow and signal"; then
2355 pm_nl_set_limits $ns1 0 2
2356 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2357 pm_nl_set_limits $ns2 1 2
2358 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2359 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2360 run_tests $ns1 $ns2 10.0.1.1
2367 # subflows and signal, remove
2368 if reset "remove subflows and signal"; then
2369 pm_nl_set_limits $ns1 0 3
2370 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2371 pm_nl_set_limits $ns2 1 3
2372 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2373 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2374 addr_nr_ns1=-1 addr_nr_ns2=-2 speed=10 \
2375 run_tests $ns1 $ns2 10.0.1.1
2383 if reset "remove addresses"; then
2384 pm_nl_set_limits $ns1 3 3
2385 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2386 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2387 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2388 pm_nl_set_limits $ns2 3 3
2389 addr_nr_ns1=-3 speed=10 \
2390 run_tests $ns1 $ns2 10.0.1.1
2393 chk_rm_nr 3 3 invert
2397 # invalid addresses remove
2398 if reset "remove invalid addresses"; then
2399 pm_nl_set_limits $ns1 3 3
2400 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2401 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2402 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2403 pm_nl_set_limits $ns2 3 3
2404 addr_nr_ns1=-3 speed=10 \
2405 run_tests $ns1 $ns2 10.0.1.1
2408 chk_rm_nr 3 1 invert
2412 # subflows and signal, flush
2413 if reset "flush subflows and signal"; then
2414 pm_nl_set_limits $ns1 0 3
2415 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2416 pm_nl_set_limits $ns2 1 3
2417 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2418 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2419 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2420 run_tests $ns1 $ns2 10.0.1.1
2423 chk_rm_nr 1 3 invert simult
2428 if reset "flush subflows"; then
2429 pm_nl_set_limits $ns1 3 3
2430 pm_nl_set_limits $ns2 3 3
2431 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2432 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2433 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2434 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2435 run_tests $ns1 $ns2 10.0.1.1
2438 if mptcp_lib_kversion_ge 5.18; then
2440 chk_rm_nr 0 3 simult
2448 if reset "flush addresses"; then
2449 pm_nl_set_limits $ns1 3 3
2450 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2451 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2452 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2453 pm_nl_set_limits $ns2 3 3
2454 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2455 run_tests $ns1 $ns2 10.0.1.1
2458 chk_rm_nr 3 3 invert simult
2462 # invalid addresses flush
2463 if reset "flush invalid addresses"; then
2464 pm_nl_set_limits $ns1 3 3
2465 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2466 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2467 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2468 pm_nl_set_limits $ns2 3 3
2469 addr_nr_ns1=-8 speed=slow \
2470 run_tests $ns1 $ns2 10.0.1.1
2473 chk_rm_nr 3 1 invert
2477 # remove id 0 subflow
2478 if reset "remove id 0 subflow"; then
2479 pm_nl_set_limits $ns1 0 1
2480 pm_nl_set_limits $ns2 0 1
2481 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2482 addr_nr_ns2=-9 speed=slow \
2483 run_tests $ns1 $ns2 10.0.1.1
2489 # remove id 0 address
2490 if reset "remove id 0 address"; then
2491 pm_nl_set_limits $ns1 0 1
2492 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2493 pm_nl_set_limits $ns2 1 1
2494 addr_nr_ns1=-9 speed=slow \
2495 run_tests $ns1 $ns2 10.0.1.1
2498 chk_rm_nr 1 1 invert
2499 chk_rst_nr 0 0 invert
2505 # add single subflow
2506 if reset "add single subflow"; then
2507 pm_nl_set_limits $ns1 0 1
2508 pm_nl_set_limits $ns2 0 1
2509 addr_nr_ns2=1 speed=slow cestab_ns2=1 \
2510 run_tests $ns1 $ns2 10.0.1.1
2512 chk_cestab_nr $ns2 0
2515 # add signal address
2516 if reset "add signal address"; then
2517 pm_nl_set_limits $ns1 0 1
2518 pm_nl_set_limits $ns2 1 1
2519 addr_nr_ns1=1 speed=slow cestab_ns1=1 \
2520 run_tests $ns1 $ns2 10.0.1.1
2523 chk_cestab_nr $ns1 0
2526 # add multiple subflows
2527 if reset "add multiple subflows"; then
2528 pm_nl_set_limits $ns1 0 2
2529 pm_nl_set_limits $ns2 0 2
2530 addr_nr_ns2=2 speed=slow cestab_ns2=1 \
2531 run_tests $ns1 $ns2 10.0.1.1
2533 chk_cestab_nr $ns2 0
2536 # add multiple subflows IPv6
2537 if reset "add multiple subflows IPv6"; then
2538 pm_nl_set_limits $ns1 0 2
2539 pm_nl_set_limits $ns2 0 2
2540 addr_nr_ns2=2 speed=slow cestab_ns2=1 \
2541 run_tests $ns1 $ns2 dead:beef:1::1
2543 chk_cestab_nr $ns2 0
2546 # add multiple addresses IPv6
2547 if reset "add multiple addresses IPv6"; then
2548 pm_nl_set_limits $ns1 0 2
2549 pm_nl_set_limits $ns2 2 2
2550 addr_nr_ns1=2 speed=slow cestab_ns1=1 \
2551 run_tests $ns1 $ns2 dead:beef:1::1
2554 chk_cestab_nr $ns1 0
2561 if reset "single subflow IPv6"; then
2562 pm_nl_set_limits $ns1 0 1
2563 pm_nl_set_limits $ns2 0 1
2564 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2566 run_tests $ns1 $ns2 dead:beef:1::1
2570 # add_address, unused IPv6
2571 if reset "unused signal address IPv6"; then
2572 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2574 run_tests $ns1 $ns2 dead:beef:1::1
2579 # signal address IPv6
2580 if reset "single address IPv6"; then
2581 pm_nl_set_limits $ns1 0 1
2582 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2583 pm_nl_set_limits $ns2 1 1
2585 run_tests $ns1 $ns2 dead:beef:1::1
2590 # single address IPv6, remove
2591 if reset "remove single address IPv6"; then
2592 pm_nl_set_limits $ns1 0 1
2593 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2594 pm_nl_set_limits $ns2 1 1
2595 addr_nr_ns1=-1 speed=slow \
2596 run_tests $ns1 $ns2 dead:beef:1::1
2599 chk_rm_nr 1 1 invert
2602 # subflow and signal IPv6, remove
2603 if reset "remove subflow and signal IPv6"; then
2604 pm_nl_set_limits $ns1 0 2
2605 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2606 pm_nl_set_limits $ns2 1 2
2607 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2608 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2609 run_tests $ns1 $ns2 dead:beef:1::1
2618 # subflow IPv4-mapped to IPv4-mapped
2619 if reset "single subflow IPv4-mapped"; then
2620 pm_nl_set_limits $ns1 0 1
2621 pm_nl_set_limits $ns2 0 1
2622 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2623 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2627 # signal address IPv4-mapped with IPv4-mapped sk
2628 if reset "signal address IPv4-mapped"; then
2629 pm_nl_set_limits $ns1 0 1
2630 pm_nl_set_limits $ns2 1 1
2631 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2632 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2638 if reset "single subflow v4-map-v6"; then
2639 pm_nl_set_limits $ns1 0 1
2640 pm_nl_set_limits $ns2 0 1
2641 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2642 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2646 # signal address v4-map-v6
2647 if reset "signal address v4-map-v6"; then
2648 pm_nl_set_limits $ns1 0 1
2649 pm_nl_set_limits $ns2 1 1
2650 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2651 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2657 if reset "single subflow v6-map-v4"; then
2658 pm_nl_set_limits $ns1 0 1
2659 pm_nl_set_limits $ns2 0 1
2660 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2661 run_tests $ns1 $ns2 10.0.1.1
2665 # signal address v6-map-v4
2666 if reset "signal address v6-map-v4"; then
2667 pm_nl_set_limits $ns1 0 1
2668 pm_nl_set_limits $ns2 1 1
2669 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2670 run_tests $ns1 $ns2 10.0.1.1
2675 # no subflow IPv6 to v4 address
2676 if reset "no JOIN with diff families v4-v6"; then
2677 pm_nl_set_limits $ns1 0 1
2678 pm_nl_set_limits $ns2 0 1
2679 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2680 run_tests $ns1 $ns2 10.0.1.1
2684 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2685 if reset "no JOIN with diff families v4-v6-2"; then
2686 pm_nl_set_limits $ns1 0 1
2687 pm_nl_set_limits $ns2 0 1
2688 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2689 run_tests $ns1 $ns2 10.0.1.1
2693 # no subflow IPv4 to v6 address, no need to slow down too then
2694 if reset "no JOIN with diff families v6-v4"; then
2695 pm_nl_set_limits $ns1 0 1
2696 pm_nl_set_limits $ns2 0 1
2697 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2698 run_tests $ns1 $ns2 dead:beef:1::1
2705 if reset "IPv4 sockets do not use IPv6 addresses" &&
2706 continue_if mptcp_lib_kversion_ge 6.3; then
2707 pm_nl_set_limits $ns1 0 1
2708 pm_nl_set_limits $ns2 1 1
2709 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2711 run_tests $ns1 $ns2 10.0.1.1
2715 # Need an IPv6 mptcp socket to allow subflows of both families
2716 if reset "simult IPv4 and IPv6 subflows" &&
2717 continue_if mptcp_lib_kversion_ge 6.3; then
2718 pm_nl_set_limits $ns1 0 1
2719 pm_nl_set_limits $ns2 1 1
2720 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2722 run_tests $ns1 $ns2 dead:beef:2::1
2726 # cross families subflows will not be created even in fullmesh mode
2727 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1" &&
2728 continue_if mptcp_lib_kversion_ge 6.3; then
2729 pm_nl_set_limits $ns1 0 4
2730 pm_nl_set_limits $ns2 1 4
2731 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
2732 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2734 run_tests $ns1 $ns2 dead:beef:2::1
2738 # fullmesh still tries to create all the possibly subflows with
2740 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2" &&
2741 continue_if mptcp_lib_kversion_ge 6.3; then
2742 pm_nl_set_limits $ns1 0 4
2743 pm_nl_set_limits $ns2 2 4
2744 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2745 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2746 fullmesh=1 speed=slow \
2747 run_tests $ns1 $ns2 dead:beef:1::1
2754 # single subflow, backup
2755 if reset "single subflow, backup" &&
2756 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2757 pm_nl_set_limits $ns1 0 1
2758 pm_nl_set_limits $ns2 0 1
2759 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2760 sflags=nobackup speed=slow \
2761 run_tests $ns1 $ns2 10.0.1.1
2766 # single address, backup
2767 if reset "single address, backup" &&
2768 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2769 pm_nl_set_limits $ns1 0 1
2770 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2771 pm_nl_set_limits $ns2 1 1
2772 sflags=backup speed=slow \
2773 run_tests $ns1 $ns2 10.0.1.1
2779 # single address with port, backup
2780 if reset "single address with port, backup" &&
2781 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2782 pm_nl_set_limits $ns1 0 1
2783 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2784 pm_nl_set_limits $ns2 1 1
2785 sflags=backup speed=slow \
2786 run_tests $ns1 $ns2 10.0.1.1
2792 if reset "mpc backup" &&
2793 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2794 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2796 run_tests $ns1 $ns2 10.0.1.1
2801 if reset "mpc backup both sides" &&
2802 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2803 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2804 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2806 run_tests $ns1 $ns2 10.0.1.1
2811 if reset "mpc switch to backup" &&
2812 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2813 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2814 sflags=backup speed=slow \
2815 run_tests $ns1 $ns2 10.0.1.1
2820 if reset "mpc switch to backup both sides" &&
2821 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2822 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2823 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2824 sflags=backup speed=slow \
2825 run_tests $ns1 $ns2 10.0.1.1
2831 SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED
2832 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
2833 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
2838 verify_listener_events()
2851 if [ $e_type = $LISTENER_CREATED ]; then
2852 name="LISTENER_CREATED"
2853 elif [ $e_type = $LISTENER_CLOSED ]; then
2854 name="LISTENER_CLOSED "
2859 print_check "$name $e_saddr:$e_sport"
2861 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
2862 print_skip "event not supported"
2866 type=$(mptcp_lib_evts_get_info type "$evt" "$e_type")
2867 family=$(mptcp_lib_evts_get_info family "$evt" "$e_type")
2868 sport=$(mptcp_lib_evts_get_info sport "$evt" "$e_type")
2869 if [ $family ] && [ $family = $AF_INET6 ]; then
2870 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" "$e_type")
2872 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" "$e_type")
2875 if [ $type ] && [ $type = $e_type ] &&
2876 [ $family ] && [ $family = $e_family ] &&
2877 [ $saddr ] && [ $saddr = $e_saddr ] &&
2878 [ $sport ] && [ $sport = $e_sport ]; then
2882 fail_test "$e_type:$type $e_family:$family $e_saddr:$saddr $e_sport:$sport"
2885 add_addr_ports_tests()
2887 # signal address with port
2888 if reset "signal address with port"; then
2889 pm_nl_set_limits $ns1 0 1
2890 pm_nl_set_limits $ns2 1 1
2891 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2892 run_tests $ns1 $ns2 10.0.1.1
2897 # subflow and signal with port
2898 if reset "subflow and signal with port"; then
2899 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2900 pm_nl_set_limits $ns1 0 2
2901 pm_nl_set_limits $ns2 1 2
2902 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2903 run_tests $ns1 $ns2 10.0.1.1
2908 # single address with port, remove
2909 # pm listener events
2910 if reset_with_events "remove single address with port"; then
2911 pm_nl_set_limits $ns1 0 1
2912 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2913 pm_nl_set_limits $ns2 1 1
2914 addr_nr_ns1=-1 speed=slow \
2915 run_tests $ns1 $ns2 10.0.1.1
2918 chk_rm_nr 1 1 invert
2920 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100
2921 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100
2925 # subflow and signal with port, remove
2926 if reset "remove subflow and signal with port"; then
2927 pm_nl_set_limits $ns1 0 2
2928 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2929 pm_nl_set_limits $ns2 1 2
2930 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2931 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2932 run_tests $ns1 $ns2 10.0.1.1
2938 # subflows and signal with port, flush
2939 if reset "flush subflows and signal with port"; then
2940 pm_nl_set_limits $ns1 0 3
2941 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2942 pm_nl_set_limits $ns2 1 3
2943 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2944 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2945 addr_nr_ns1=-8 addr_nr_ns2=-2 speed=slow \
2946 run_tests $ns1 $ns2 10.0.1.1
2949 chk_rm_nr 1 3 invert simult
2952 # multiple addresses with port
2953 if reset "multiple addresses with port"; then
2954 pm_nl_set_limits $ns1 2 2
2955 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2956 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2957 pm_nl_set_limits $ns2 2 2
2958 run_tests $ns1 $ns2 10.0.1.1
2963 # multiple addresses with ports
2964 if reset "multiple addresses with ports"; then
2965 pm_nl_set_limits $ns1 2 2
2966 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2967 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2968 pm_nl_set_limits $ns2 2 2
2969 run_tests $ns1 $ns2 10.0.1.1
2977 # single subflow, syncookies
2978 if reset_with_cookies "single subflow with syn cookies"; then
2979 pm_nl_set_limits $ns1 0 1
2980 pm_nl_set_limits $ns2 0 1
2981 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2982 run_tests $ns1 $ns2 10.0.1.1
2986 # multiple subflows with syn cookies
2987 if reset_with_cookies "multiple subflows with syn cookies"; then
2988 pm_nl_set_limits $ns1 0 2
2989 pm_nl_set_limits $ns2 0 2
2990 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2991 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2992 run_tests $ns1 $ns2 10.0.1.1
2996 # multiple subflows limited by server
2997 if reset_with_cookies "subflows limited by server w cookies"; then
2998 pm_nl_set_limits $ns1 0 1
2999 pm_nl_set_limits $ns2 0 2
3000 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3001 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
3002 run_tests $ns1 $ns2 10.0.1.1
3006 # test signal address with cookies
3007 if reset_with_cookies "signal address with syn cookies"; then
3008 pm_nl_set_limits $ns1 0 1
3009 pm_nl_set_limits $ns2 1 1
3010 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3011 run_tests $ns1 $ns2 10.0.1.1
3016 # test cookie with subflow and signal
3017 if reset_with_cookies "subflow and signal w cookies"; then
3018 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3019 pm_nl_set_limits $ns1 0 2
3020 pm_nl_set_limits $ns2 1 2
3021 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3022 run_tests $ns1 $ns2 10.0.1.1
3027 # accept and use add_addr with additional subflows
3028 if reset_with_cookies "subflows and signal w. cookies"; then
3029 pm_nl_set_limits $ns1 0 3
3030 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3031 pm_nl_set_limits $ns2 1 3
3032 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3033 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
3034 run_tests $ns1 $ns2 10.0.1.1
3043 if reset_with_checksum 0 0; then
3044 pm_nl_set_limits $ns1 0 1
3045 pm_nl_set_limits $ns2 0 1
3046 run_tests $ns1 $ns2 10.0.1.1
3051 if reset_with_checksum 1 1; then
3052 pm_nl_set_limits $ns1 0 1
3053 pm_nl_set_limits $ns2 0 1
3054 run_tests $ns1 $ns2 10.0.1.1
3059 if reset_with_checksum 0 1; then
3060 pm_nl_set_limits $ns1 0 1
3061 pm_nl_set_limits $ns2 0 1
3062 run_tests $ns1 $ns2 10.0.1.1
3067 if reset_with_checksum 1 0; then
3068 pm_nl_set_limits $ns1 0 1
3069 pm_nl_set_limits $ns2 0 1
3070 run_tests $ns1 $ns2 10.0.1.1
3075 deny_join_id0_tests()
3077 # subflow allow join id0 ns1
3078 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
3079 pm_nl_set_limits $ns1 1 1
3080 pm_nl_set_limits $ns2 1 1
3081 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3082 run_tests $ns1 $ns2 10.0.1.1
3086 # subflow allow join id0 ns2
3087 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
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 # signal address allow join id0 ns1
3096 # ADD_ADDRs are not affected by allow_join_id0 value.
3097 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
3098 pm_nl_set_limits $ns1 1 1
3099 pm_nl_set_limits $ns2 1 1
3100 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3101 run_tests $ns1 $ns2 10.0.1.1
3106 # signal address allow join id0 ns2
3107 # ADD_ADDRs are not affected by allow_join_id0 value.
3108 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
3109 pm_nl_set_limits $ns1 1 1
3110 pm_nl_set_limits $ns2 1 1
3111 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3112 run_tests $ns1 $ns2 10.0.1.1
3117 # subflow and address allow join id0 ns1
3118 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
3119 pm_nl_set_limits $ns1 2 2
3120 pm_nl_set_limits $ns2 2 2
3121 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3122 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3123 run_tests $ns1 $ns2 10.0.1.1
3127 # subflow and address allow join id0 ns2
3128 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
3129 pm_nl_set_limits $ns1 2 2
3130 pm_nl_set_limits $ns2 2 2
3131 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3132 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3133 run_tests $ns1 $ns2 10.0.1.1
3141 # 2 fullmesh addrs in ns2, added before the connection,
3142 # 1 non-fullmesh addr in ns1, added during the connection.
3143 if reset "fullmesh test 2x1"; then
3144 pm_nl_set_limits $ns1 0 4
3145 pm_nl_set_limits $ns2 1 4
3146 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
3147 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
3148 addr_nr_ns1=1 speed=slow \
3149 run_tests $ns1 $ns2 10.0.1.1
3155 # 1 non-fullmesh addr in ns1, added before the connection,
3156 # 1 fullmesh addr in ns2, added during the connection.
3157 if reset "fullmesh test 1x1"; then
3158 pm_nl_set_limits $ns1 1 3
3159 pm_nl_set_limits $ns2 1 3
3160 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3161 fullmesh=1 speed=slow \
3162 run_tests $ns1 $ns2 10.0.1.1
3168 # 1 non-fullmesh addr in ns1, added before the connection,
3169 # 2 fullmesh addrs in ns2, added during the connection.
3170 if reset "fullmesh test 1x2"; then
3171 pm_nl_set_limits $ns1 2 5
3172 pm_nl_set_limits $ns2 1 5
3173 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3174 fullmesh=2 speed=slow \
3175 run_tests $ns1 $ns2 10.0.1.1
3181 # 1 non-fullmesh addr in ns1, added before the connection,
3182 # 2 fullmesh addrs in ns2, added during the connection,
3183 # limit max_subflows to 4.
3184 if reset "fullmesh test 1x2, limited"; then
3185 pm_nl_set_limits $ns1 2 4
3186 pm_nl_set_limits $ns2 1 4
3187 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3188 fullmesh=2 speed=slow \
3189 run_tests $ns1 $ns2 10.0.1.1
3195 if reset "set fullmesh flag test" &&
3196 continue_if mptcp_lib_kversion_ge 5.18; then
3197 pm_nl_set_limits $ns1 4 4
3198 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3199 pm_nl_set_limits $ns2 4 4
3200 addr_nr_ns2=1 sflags=fullmesh speed=slow \
3201 run_tests $ns1 $ns2 10.0.1.1
3206 # set nofullmesh flag
3207 if reset "set nofullmesh flag test" &&
3208 continue_if mptcp_lib_kversion_ge 5.18; then
3209 pm_nl_set_limits $ns1 4 4
3210 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
3211 pm_nl_set_limits $ns2 4 4
3212 fullmesh=1 sflags=nofullmesh speed=slow \
3213 run_tests $ns1 $ns2 10.0.1.1
3218 # set backup,fullmesh flags
3219 if reset "set backup,fullmesh flags test" &&
3220 continue_if mptcp_lib_kversion_ge 5.18; then
3221 pm_nl_set_limits $ns1 4 4
3222 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3223 pm_nl_set_limits $ns2 4 4
3224 addr_nr_ns2=1 sflags=backup,fullmesh speed=slow \
3225 run_tests $ns1 $ns2 10.0.1.1
3231 # set nobackup,nofullmesh flags
3232 if reset "set nobackup,nofullmesh flags test" &&
3233 continue_if mptcp_lib_kversion_ge 5.18; then
3234 pm_nl_set_limits $ns1 4 4
3235 pm_nl_set_limits $ns2 4 4
3236 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
3237 sflags=nobackup,nofullmesh speed=slow \
3238 run_tests $ns1 $ns2 10.0.1.1
3247 if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then
3248 test_linkfail=1024 fastclose=client \
3249 run_tests $ns1 $ns2 10.0.1.1
3252 chk_rst_nr 1 1 invert
3255 if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
3256 test_linkfail=1024 fastclose=server \
3257 run_tests $ns1 $ns2 10.0.1.1
3258 chk_join_nr 0 0 0 0 0 0 1
3259 chk_fclose_nr 1 1 invert
3266 tc -n $ns2 -j -s action show action pedit index 100 | \
3267 mptcp_lib_get_info_value \"packets\" packets
3273 if reset_with_fail "Infinite map" 1; then
3275 run_tests $ns1 $ns2 10.0.1.1
3276 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
3277 chk_fail_nr 1 -1 invert
3281 if reset_with_fail "MP_FAIL MP_RST" 2; then
3282 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
3283 pm_nl_set_limits $ns1 0 1
3284 pm_nl_set_limits $ns2 0 1
3285 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3286 test_linkfail=1024 \
3287 run_tests $ns1 $ns2 10.0.1.1
3288 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
3292 # $1: ns ; $2: addr ; $3: id
3293 userspace_pm_add_addr()
3295 local evts=$evts_ns1
3298 [ "$1" == "$ns2" ] && evts=$evts_ns2
3299 tk=$(mptcp_lib_evts_get_info token "$evts")
3301 ip netns exec $1 ./pm_nl_ctl ann $2 token $tk id $3
3306 userspace_pm_rm_addr()
3308 local evts=$evts_ns1
3312 [ "$1" == "$ns2" ] && evts=$evts_ns2
3313 tk=$(mptcp_lib_evts_get_info token "$evts")
3315 cnt=$(rm_addr_count ${1})
3316 ip netns exec $1 ./pm_nl_ctl rem token $tk id $2
3317 wait_rm_addr $1 "${cnt}"
3320 # $1: ns ; $2: addr ; $3: id
3321 userspace_pm_add_sf()
3323 local evts=$evts_ns1
3326 [ "$1" == "$ns2" ] && evts=$evts_ns2
3327 tk=$(mptcp_lib_evts_get_info token "$evts")
3328 da=$(mptcp_lib_evts_get_info daddr4 "$evts")
3329 dp=$(mptcp_lib_evts_get_info dport "$evts")
3331 ip netns exec $1 ./pm_nl_ctl csf lip $2 lid $3 \
3332 rip $da rport $dp token $tk
3336 # $1: ns ; $2: addr $3: event type
3337 userspace_pm_rm_sf()
3339 local evts=$evts_ns1
3345 [ "$1" == "$ns2" ] && evts=$evts_ns2
3346 [ -n "$(mptcp_lib_evts_get_info "saddr4" "$evts" $t)" ] && ip=4
3347 [ -n "$(mptcp_lib_evts_get_info "saddr6" "$evts" $t)" ] && ip=6
3348 tk=$(mptcp_lib_evts_get_info token "$evts")
3349 da=$(mptcp_lib_evts_get_info "daddr$ip" "$evts" $t $2)
3350 dp=$(mptcp_lib_evts_get_info dport "$evts" $t $2)
3351 sp=$(mptcp_lib_evts_get_info sport "$evts" $t $2)
3353 cnt=$(rm_sf_count ${1})
3354 ip netns exec $1 ./pm_nl_ctl dsf lip $2 lport $sp \
3355 rip $da rport $dp token $tk
3356 wait_rm_sf $1 "${cnt}"
3361 # userspace pm type prevents add_addr
3362 if reset "userspace pm type prevents add_addr" &&
3363 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3364 set_userspace_pm $ns1
3365 pm_nl_set_limits $ns1 0 2
3366 pm_nl_set_limits $ns2 0 2
3367 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3368 run_tests $ns1 $ns2 10.0.1.1
3373 # userspace pm type does not echo add_addr without daemon
3374 if reset "userspace pm no echo w/o daemon" &&
3375 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3376 set_userspace_pm $ns2
3377 pm_nl_set_limits $ns1 0 2
3378 pm_nl_set_limits $ns2 0 2
3379 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3380 run_tests $ns1 $ns2 10.0.1.1
3385 # userspace pm type rejects join
3386 if reset "userspace pm type rejects join" &&
3387 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3388 set_userspace_pm $ns1
3389 pm_nl_set_limits $ns1 1 1
3390 pm_nl_set_limits $ns2 1 1
3391 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3392 run_tests $ns1 $ns2 10.0.1.1
3396 # userspace pm type does not send join
3397 if reset "userspace pm type does not send join" &&
3398 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3399 set_userspace_pm $ns2
3400 pm_nl_set_limits $ns1 1 1
3401 pm_nl_set_limits $ns2 1 1
3402 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3403 run_tests $ns1 $ns2 10.0.1.1
3407 # userspace pm type prevents mp_prio
3408 if reset "userspace pm type prevents mp_prio" &&
3409 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3410 set_userspace_pm $ns1
3411 pm_nl_set_limits $ns1 1 1
3412 pm_nl_set_limits $ns2 1 1
3413 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3414 sflags=backup speed=slow \
3415 run_tests $ns1 $ns2 10.0.1.1
3420 # userspace pm type prevents rm_addr
3421 if reset "userspace pm type prevents rm_addr" &&
3422 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3423 set_userspace_pm $ns1
3424 set_userspace_pm $ns2
3425 pm_nl_set_limits $ns1 0 1
3426 pm_nl_set_limits $ns2 0 1
3427 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3428 addr_nr_ns2=-1 speed=slow \
3429 run_tests $ns1 $ns2 10.0.1.1
3434 # userspace pm add & remove address
3435 if reset_with_events "userspace pm add & remove address" &&
3436 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3437 set_userspace_pm $ns1
3438 pm_nl_set_limits $ns2 2 2
3440 run_tests $ns1 $ns2 10.0.1.1 &
3443 userspace_pm_add_addr $ns1 10.0.2.1 10
3444 userspace_pm_add_addr $ns1 10.0.3.1 20
3447 chk_mptcp_info subflows 2 subflows 2
3448 chk_subflows_total 3 3
3449 chk_mptcp_info add_addr_signal 2 add_addr_accepted 2
3450 userspace_pm_rm_addr $ns1 10
3451 userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED
3452 userspace_pm_rm_addr $ns1 20
3453 userspace_pm_rm_sf $ns1 10.0.3.1 $SUB_ESTABLISHED
3454 chk_rm_nr 2 2 invert
3455 chk_mptcp_info subflows 0 subflows 0
3456 chk_subflows_total 1 1
3458 mptcp_lib_kill_wait $tests_pid
3461 # userspace pm create destroy subflow
3462 if reset_with_events "userspace pm create destroy subflow" &&
3463 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3464 set_userspace_pm $ns2
3465 pm_nl_set_limits $ns1 0 1
3467 run_tests $ns1 $ns2 10.0.1.1 &
3470 userspace_pm_add_sf $ns2 10.0.3.2 20
3472 chk_mptcp_info subflows 1 subflows 1
3473 chk_subflows_total 2 2
3474 userspace_pm_rm_addr $ns2 20
3475 userspace_pm_rm_sf $ns2 10.0.3.2 $SUB_ESTABLISHED
3477 chk_mptcp_info subflows 0 subflows 0
3478 chk_subflows_total 1 1
3480 mptcp_lib_kill_wait $tests_pid
3483 # userspace pm create id 0 subflow
3484 if reset_with_events "userspace pm create id 0 subflow" &&
3485 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3486 set_userspace_pm $ns2
3487 pm_nl_set_limits $ns1 0 1
3489 run_tests $ns1 $ns2 10.0.1.1 &
3492 chk_mptcp_info subflows 0 subflows 0
3493 chk_subflows_total 1 1
3494 userspace_pm_add_sf $ns2 10.0.3.2 0
3496 chk_mptcp_info subflows 1 subflows 1
3497 chk_subflows_total 2 2
3499 mptcp_lib_kill_wait $tests_pid
3502 # userspace pm remove initial subflow
3503 if reset_with_events "userspace pm remove initial subflow" &&
3504 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3505 set_userspace_pm $ns2
3506 pm_nl_set_limits $ns1 0 1
3508 run_tests $ns1 $ns2 10.0.1.1 &
3511 userspace_pm_add_sf $ns2 10.0.3.2 20
3513 chk_mptcp_info subflows 1 subflows 1
3514 chk_subflows_total 2 2
3515 userspace_pm_rm_sf $ns2 10.0.1.2
3516 # we don't look at the counter linked to the RM_ADDR but
3517 # to the one linked to the subflows that have been removed
3519 chk_rst_nr 0 0 invert
3520 chk_mptcp_info subflows 1 subflows 1
3521 chk_subflows_total 1 1
3523 mptcp_lib_kill_wait $tests_pid
3526 # userspace pm send RM_ADDR for ID 0
3527 if reset_with_events "userspace pm send RM_ADDR for ID 0" &&
3528 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3529 set_userspace_pm $ns1
3530 pm_nl_set_limits $ns2 1 1
3532 run_tests $ns1 $ns2 10.0.1.1 &
3535 userspace_pm_add_addr $ns1 10.0.2.1 10
3538 chk_mptcp_info subflows 1 subflows 1
3539 chk_subflows_total 2 2
3540 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3541 userspace_pm_rm_addr $ns1 0
3542 # we don't look at the counter linked to the subflows that
3543 # have been removed but to the one linked to the RM_ADDR
3544 chk_rm_nr 1 0 invert
3545 chk_rst_nr 0 0 invert
3546 chk_mptcp_info subflows 1 subflows 1
3547 chk_subflows_total 1 1
3549 mptcp_lib_kill_wait $tests_pid
3555 # subflow_rebuild_header is needed to support the implicit flag
3556 # userspace pm type prevents add_addr
3557 if reset "implicit EP" &&
3558 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3559 pm_nl_set_limits $ns1 2 2
3560 pm_nl_set_limits $ns2 2 2
3561 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3563 run_tests $ns1 $ns2 10.0.1.1 &
3567 pm_nl_check_endpoint "creation" \
3568 $ns2 10.0.2.2 id 1 flags implicit
3569 chk_mptcp_info subflows 1 subflows 1
3570 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3572 pm_nl_add_endpoint $ns2 10.0.2.2 id 33 2>/dev/null
3573 pm_nl_check_endpoint "ID change is prevented" \
3574 $ns2 10.0.2.2 id 1 flags implicit
3576 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3577 pm_nl_check_endpoint "modif is allowed" \
3578 $ns2 10.0.2.2 id 1 flags signal
3579 mptcp_lib_kill_wait $tests_pid
3582 if reset "delete and re-add" &&
3583 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3584 pm_nl_set_limits $ns1 1 1
3585 pm_nl_set_limits $ns2 1 1
3586 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3587 test_linkfail=4 speed=20 \
3588 run_tests $ns1 $ns2 10.0.1.1 &
3592 chk_subflow_nr "before delete" 2
3593 chk_mptcp_info subflows 1 subflows 1
3595 pm_nl_del_endpoint $ns2 2 10.0.2.2
3597 chk_subflow_nr "after delete" 1
3598 chk_mptcp_info subflows 0 subflows 0
3600 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3602 chk_subflow_nr "after re-add" 2
3603 chk_mptcp_info subflows 1 subflows 1
3604 mptcp_lib_kill_wait $tests_pid
3608 # [$1: error message]
3611 if [ -n "${1}" ]; then
3616 echo "mptcp_join usage:"
3619 for key in "${!all_tests[@]}"; do
3620 echo " -${key} ${all_tests[${key}]}"
3623 echo " -c capture pcap files"
3624 echo " -C enable data checksum"
3625 echo " -i use ip mptcp"
3628 echo "[test ids|names]"
3634 # Use a "simple" array to force an specific order we cannot have with an associative one
3637 e@subflows_error_tests
3638 s@signal_address_tests
3639 l@link_failure_tests
3640 t@add_addr_timeout_tests
3647 p@add_addr_ports_tests
3650 d@deny_join_id0_tests
3660 for subtests in "${all_tests_sorted[@]}"; do
3661 key="${subtests%@*}"
3662 value="${subtests#*@}"
3664 all_tests_args+="${key}"
3665 all_tests_names+=("${value}")
3666 all_tests[${key}]="${value}"
3670 while getopts "${all_tests_args}cCih" opt; do
3672 ["${all_tests_args}"])
3673 tests+=("${all_tests[${opt}]}")
3688 usage "Unknown option: -${opt}"
3693 shift $((OPTIND - 1))
3695 for arg in "${@}"; do
3696 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3697 only_tests_ids+=("${arg}")
3699 only_tests_names+=("${arg}")
3703 if [ ${#tests[@]} -eq 0 ]; then
3704 tests=("${all_tests_names[@]}")
3707 for subtests in "${tests[@]}"; do
3711 if [ ${ret} -ne 0 ]; then
3713 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3714 for i in $(get_failed_tests_ids); do
3715 echo -e "\t- ${i}: ${failed_tests[${i}]}"
3721 mptcp_lib_result_print_all_tap