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"
32 timeout_test=$((timeout_poll * 2 + 1))
37 validate_checksum=false
48 declare -a only_tests_ids
49 declare -a only_tests_names
50 declare -A failed_tests
55 # These var are used only in some tests, make sure they are not already set
67 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
68 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
69 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
91 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
97 for netns in "$ns1" "$ns2"; do
98 ip netns add $netns || exit $ksft_skip
99 ip -net $netns link set lo up
100 ip netns exec $netns sysctl -q net.mptcp.enabled=1
101 ip netns exec $netns sysctl -q net.mptcp.pm_type=0 2>/dev/null || true
102 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
103 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
105 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
110 validate_checksum=$checksum
119 for i in $(seq 1 4); do
120 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
121 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
122 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
123 ip -net "$ns1" link set ns1eth$i up
125 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
126 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
127 ip -net "$ns2" link set ns2eth$i up
129 # let $ns2 reach any $ns1 address from any interface
130 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
131 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
138 for i in $(seq 1 4); do
139 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
140 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
149 for netns in "$ns1" "$ns2"; do
151 rm -f /tmp/$netns.{nstat,out}
157 mptcp_lib_check_mptcp
158 mptcp_lib_check_kallsyms
160 if ! ip -Version &> /dev/null; then
161 echo "SKIP: Could not run test without ip tool"
165 if ! ss -h | grep -q MPTCP; then
166 echo "SKIP: ss tool does not support MPTCP"
170 if ! "${iptables}" -V &> /dev/null; then
171 echo "SKIP: Could not run all tests without ${iptables} tool"
173 elif ! "${ip6tables}" -V &> /dev/null; then
174 echo "SKIP: Could not run all tests without ${ip6tables} tool"
195 make_file "$cin" "client" 1 >/dev/null
196 make_file "$sin" "server" 1 >/dev/null
201 rm -f "$cin" "$cout" "$sinfail"
202 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
204 rm -rf $evts_ns1 $evts_ns2
211 printf "%03u %s\n" "${TEST_COUNT}" "${TEST_NAME}"
216 printf "%-${nr_blank}s%-36s" " " "${*}"
221 # It can be empty, no need to print anything then
222 [ -z "${1}" ] && return
224 mptcp_lib_print_info " Info: ${*}"
229 mptcp_lib_print_ok "[ ok ]${1:+ ${*}}"
234 mptcp_lib_print_err "[fail]${1:+ ${*}}"
239 mptcp_lib_print_warn "[skip]${1:+ ${*}}"
245 local msg="${1:-"Feature not supported"}"
247 mptcp_lib_fail_if_expected_feature "${msg}"
266 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
271 for i in "${only_tests_ids[@]}"; do
272 if [ "${TEST_COUNT}" -eq "${i}" ]; then
276 for i in "${only_tests_names[@]}"; do
277 if [ "${TEST_NAME}" = "${i}" ]; then
285 append_prev_results()
287 if [ ${last_test_failed} -eq 1 ]; then
288 mptcp_lib_result_fail "${TEST_NAME}"
289 elif [ ${last_test_skipped} -eq 1 ]; then
290 mptcp_lib_result_skip "${TEST_NAME}"
291 elif [ ${last_test_ignored} -ne 1 ]; then
292 mptcp_lib_result_pass "${TEST_NAME}"
307 TEST_COUNT=$((TEST_COUNT+1))
316 if [ "${init}" != "1" ]; then
327 # $1: test name ; $2: counter to check
328 reset_check_counter()
330 reset "${1}" || return 1
334 if ! nstat -asz "${counter}" | grep -wq "${counter}"; then
335 mark_as_skipped "counter '${counter}' is not available"
343 reset "${1}" || return 1
346 for netns in "$ns1" "$ns2"; do
347 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
352 reset_with_add_addr_timeout()
357 reset "${1}" || return 1
360 if [ $ip -eq 6 ]; then
361 tables="${ip6tables}"
364 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
366 if ! ip netns exec $ns2 $tables -A OUTPUT -p tcp \
367 -m tcp --tcp-option 30 \
369 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
371 mark_as_skipped "unable to set the 'add addr' rule"
377 reset_with_checksum()
382 reset "checksum test ${1} ${2}" || return 1
384 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
385 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
387 validate_checksum=true
390 reset_with_allow_join_id0()
395 reset "${1}" || return 1
397 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
398 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
401 # Modify TCP payload without corrupting the TCP packet
403 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
404 # carrying enough data.
405 # Once it is done, the TCP Checksum field is updated so the packet is still
406 # considered as valid at the TCP level.
407 # Because the MPTCP checksum, covering the TCP options and data, has not been
408 # updated, the modification will be detected and an MP_FAIL will be emitted:
409 # what we want to validate here without corrupting "random" MPTCP options.
411 # To avoid having tc producing this pr_info() message for each TCP ACK packets
412 # not carrying enough data:
414 # tc action pedit offset 162 out of bounds
416 # Netfilter is used to mark packets with enough data.
420 validate_checksum=true
426 if [ $ip -eq 6 ]; then
427 tables="${ip6tables}"
430 ip netns exec $ns2 $tables \
435 -m length --length 150:9999 \
436 -m statistic --mode nth --packet 1 --every 99999 \
437 -j MARK --set-mark 42 || return ${ksft_skip}
439 tc -n $ns2 qdisc add dev ns2eth$i clsact || return ${ksft_skip}
440 tc -n $ns2 filter add dev ns2eth$i egress \
441 protocol ip prio 1000 \
443 action pedit munge offset 148 u8 invert \
445 index 100 || return ${ksft_skip}
450 reset_check_counter "${1}" "MPTcpExtInfiniteMapTx" || return 1
453 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
454 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
457 setup_fail_rules "${@}" || rc=$?
459 if [ ${rc} -eq ${ksft_skip} ]; then
460 mark_as_skipped "unable to set the 'fail' rules"
467 reset "${1}" || return 1
471 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
473 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
477 reset_with_tcp_filter()
479 reset "${1}" || return 1
486 if ! ip netns exec "${ns}" ${iptables} \
491 mark_as_skipped "unable to set the filter rules"
503 # just in case a test is marked twice as failed
504 if [ ${last_test_failed} -eq 0 ]; then
505 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
511 get_failed_tests_ids()
515 for i in "${!failed_tests[@]}"; do
529 if [ -n "$bytes" ]; then
531 # when truncating we must check the size explicitly
532 out_size=$(wc -c $out | awk '{print $1}')
533 if [ $out_size -ne $bytes ]; then
534 fail_test "$what output file has wrong size ($out_size, $bytes)"
538 # note: BusyBox's "cmp" command doesn't support --bytes
540 head --bytes="$bytes" "$in" > "$tmpfile"
542 head --bytes="$bytes" "$out" > "$tmpfile"
546 cmp -l "$in" "$out" | while read -r i a b; do
547 local sum=$((0${a} + 0${b}))
548 if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
549 fail_test "$what does not match (in, out):"
550 mptcp_lib_print_file_err "$in"
551 mptcp_lib_print_file_err "$out"
555 print_info "$what has inverted byte at ${i}"
564 local listener_ns="$1"
565 local connector_ns="$2"
566 local connect_addr="$3"
568 if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
569 fail_test "$listener_ns -> $connect_addr connectivity"
577 if [ -z "$FAILING_LINKS" ]; then
579 FAILING_LINKS=$((l+1))
583 for l in $FAILING_LINKS; do
584 local veth="ns1eth$l"
585 ip -net "$ns" link set "$veth" down
591 mptcp_lib_get_counter "${1}" "MPTcpExtRmAddr"
594 # $1: ns, $2: old rm_addr counter in $ns
602 for i in $(seq 10); do
603 cnt=$(rm_addr_count ${ns})
604 [ "$cnt" = "${old_cnt}" ] || break
611 mptcp_lib_get_counter "${1}" "MPTcpExtRmSubflow"
614 # $1: ns, $2: old rm_sf counter in $ns
622 for i in $(seq 10); do
623 cnt=$(rm_sf_count ${ns})
624 [ "$cnt" = "${old_cnt}" ] || break
634 old_cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
637 for i in $(seq 10); do
638 cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
639 [ "$cnt" = "${old_cnt}" ] || break
646 mptcp_lib_kill_wait $evts_ns1_pid
647 mptcp_lib_kill_wait $evts_ns2_pid
656 if [ $ip_mptcp -eq 1 ]; then
657 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
659 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
676 if [ $p = "flags" ]; then
678 [ -n "$_flags" ]; flags="flags $_flags"
680 if [ $p = "dev" ]; then
682 [ -n "$_dev" ]; dev="dev $_dev"
684 if [ $p = "id" ]; then
686 [ -n "$_id" ]; id="id $_id"
688 if [ $p = "port" ]; then
690 [ -n "$_port" ]; port="port $_port"
696 if [ $ip_mptcp -eq 1 ]; then
697 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
699 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
709 if [ $ip_mptcp -eq 1 ]; then
710 [ $id -ne 0 ] && addr=''
711 ip -n $ns mptcp endpoint delete id $id $addr
713 ip netns exec $ns ./pm_nl_ctl del $id $addr
717 pm_nl_flush_endpoint()
721 if [ $ip_mptcp -eq 1 ]; then
722 ip -n $ns mptcp endpoint flush
724 ip netns exec $ns ./pm_nl_ctl flush
728 pm_nl_show_endpoints()
732 if [ $ip_mptcp -eq 1 ]; then
733 ip -n $ns mptcp endpoint show
735 ip netns exec $ns ./pm_nl_ctl dump
739 pm_nl_change_endpoint()
745 if [ $ip_mptcp -eq 1 ]; then
746 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
748 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
752 pm_nl_check_endpoint()
754 local line expected_line
769 while [ -n "$1" ]; do
770 if [ $1 = "flags" ]; then
772 [ -n "$_flags" ]; flags="flags $_flags"
774 elif [ $1 = "dev" ]; then
775 [ -n "$2" ]; dev="dev $1"
777 elif [ $1 = "id" ]; then
779 [ -n "$_id" ]; id="id $_id"
781 elif [ $1 = "port" ]; then
783 [ -n "$_port" ]; port=" port $_port"
790 if [ -z "$id" ]; then
791 test_fail "bad test - missing endpoint id"
795 if [ $ip_mptcp -eq 1 ]; then
796 # get line and trim trailing whitespace
797 line=$(ip -n $ns mptcp endpoint show $id)
799 # the dump order is: address id flags port dev
800 [ -n "$addr" ] && expected_line="$addr"
801 expected_line="$expected_line $id"
802 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
803 [ -n "$dev" ] && expected_line="$expected_line $dev"
804 [ -n "$port" ] && expected_line="$expected_line $port"
806 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
807 # the dump order is: id flags dev address port
809 [ -n "$flags" ] && expected_line="$expected_line $flags"
810 [ -n "$dev" ] && expected_line="$expected_line $dev"
811 [ -n "$addr" ] && expected_line="$expected_line $addr"
812 [ -n "$_port" ] && expected_line="$expected_line $_port"
814 if [ "$line" = "$expected_line" ]; then
817 fail_test "expected '$expected_line' found '$line'"
823 local listener_ns="$1"
824 local connector_ns="$2"
825 local connect_addr="$3"
827 local addr_nr_ns1=${addr_nr_ns1:-0}
828 local addr_nr_ns2=${addr_nr_ns2:-0}
829 local sflags=${sflags:-""}
830 local fullmesh=${fullmesh:-""}
832 local flags="subflow"
833 if [ -n "${fullmesh}" ]; then
834 flags="${flags},fullmesh"
835 addr_nr_ns2=${fullmesh}
838 # let the mptcp subflow be established in background before
839 # do endpoint manipulation
840 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
844 if [ $addr_nr_ns1 -gt 0 ]; then
846 local add_nr_ns1=${addr_nr_ns1}
848 while [ $add_nr_ns1 -gt 0 ]; do
850 if mptcp_lib_is_v6 "${connect_addr}"; then
851 addr="dead:beef:$counter::1"
853 addr="10.0.$counter.1"
855 pm_nl_add_endpoint $ns1 $addr flags signal
856 counter=$((counter + 1))
857 add_nr_ns1=$((add_nr_ns1 - 1))
860 elif [ $addr_nr_ns1 -lt 0 ]; then
861 local rm_nr_ns1=$((-addr_nr_ns1))
862 if [ $rm_nr_ns1 -lt 8 ]; then
865 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
866 # shellcheck disable=SC2206 # we do want to split per word
871 for i in "${arr[@]}"; do
872 if [ $i = "id" ]; then
873 if [ $counter -eq $rm_nr_ns1 ]; then
877 rm_addr=$(rm_addr_count ${connector_ns})
878 pm_nl_del_endpoint ${listener_ns} $id
879 wait_rm_addr ${connector_ns} ${rm_addr}
880 counter=$((counter + 1))
885 elif [ $rm_nr_ns1 -eq 8 ]; then
886 pm_nl_flush_endpoint ${listener_ns}
887 elif [ $rm_nr_ns1 -eq 9 ]; then
888 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
892 # if newly added endpoints must be deleted, give the background msk
893 # some time to created them
894 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
896 if [ $addr_nr_ns2 -gt 0 ]; then
897 local add_nr_ns2=${addr_nr_ns2}
900 while [ $add_nr_ns2 -gt 0 ]; do
902 if mptcp_lib_is_v6 "${connect_addr}"; then
903 addr="dead:beef:$counter::2"
905 addr="10.0.$counter.2"
907 pm_nl_add_endpoint $ns2 $addr flags $flags
908 counter=$((counter + 1))
909 add_nr_ns2=$((add_nr_ns2 - 1))
912 elif [ $addr_nr_ns2 -lt 0 ]; then
913 local rm_nr_ns2=$((-addr_nr_ns2))
914 if [ $rm_nr_ns2 -lt 8 ]; then
917 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
918 # shellcheck disable=SC2206 # we do want to split per word
923 for i in "${arr[@]}"; do
924 if [ $i = "id" ]; then
925 if [ $counter -eq $rm_nr_ns2 ]; then
929 # rm_addr are serialized, allow the previous one to
932 rm_addr=$(rm_addr_count ${listener_ns})
933 pm_nl_del_endpoint ${connector_ns} $id
934 wait_rm_addr ${listener_ns} ${rm_addr}
935 counter=$((counter + 1))
940 elif [ $rm_nr_ns2 -eq 8 ]; then
941 pm_nl_flush_endpoint ${connector_ns}
942 elif [ $rm_nr_ns2 -eq 9 ]; then
944 if mptcp_lib_is_v6 "${connect_addr}"; then
945 addr="dead:beef:1::2"
949 pm_nl_del_endpoint ${connector_ns} 0 $addr
953 if [ -n "${sflags}" ]; then
957 for netns in "$ns1" "$ns2"; do
959 pm_nl_show_endpoints $netns | while read -r line; do
960 # shellcheck disable=SC2206 # we do want to split per word
966 for i in "${arr[@]}"; do
967 if [ $i = "id" ]; then
972 pm_nl_change_endpoint $netns $id $sflags
984 print_check "cestab $cestab"
985 count=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPCurrEstab")
986 if [ -z "$count" ]; then
988 elif [ "$count" != "$cestab" ]; then
989 fail_test "got $count current establish[s] expected $cestab"
995 # $1 namespace 1, $2 namespace 2
998 if [ -n "${cestab_ns1}" ]; then
999 chk_cestab_nr ${1} ${cestab_ns1}
1001 if [ -n "${cestab_ns2}" ]; then
1002 chk_cestab_nr ${2} ${cestab_ns2}
1008 local listener_ns="$1"
1009 local connector_ns="$2"
1011 local srv_proto="$4"
1012 local connect_addr="$5"
1014 local port=$((10000 + TEST_COUNT - 1))
1016 local FAILING_LINKS=${FAILING_LINKS:-""}
1017 local fastclose=${fastclose:-""}
1018 local speed=${speed:-"fast"}
1026 if [ -z $SUDO_USER ] ; then
1029 capuser="-Z $SUDO_USER"
1032 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
1034 echo "Capturing traffic for test $TEST_COUNT into $capfile"
1035 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
1041 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1043 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1047 if [ $speed = "fast" ]; then
1049 elif [ $speed = "slow" ]; then
1051 elif [ $speed -gt 0 ]; then
1052 extra_args="-r ${speed}"
1055 local extra_cl_args=""
1056 local extra_srv_args=""
1058 if [ -n "${fastclose}" ]; then
1059 if [ ${test_linkfail} -le 1 ]; then
1060 fail_test "fastclose tests need test_linkfail argument"
1065 trunc_size=${test_linkfail}
1066 local side=${fastclose}
1068 if [ ${side} = "client" ]; then
1069 extra_cl_args="-f ${test_linkfail}"
1070 extra_srv_args="-f -1"
1071 elif [ ${side} = "server" ]; then
1072 extra_srv_args="-f ${test_linkfail}"
1073 extra_cl_args="-f -1"
1075 fail_test "wrong/unknown fastclose spec ${side}"
1080 extra_srv_args="$extra_args $extra_srv_args"
1081 if [ "$test_linkfail" -gt 1 ];then
1082 timeout ${timeout_test} \
1083 ip netns exec ${listener_ns} \
1084 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1085 $extra_srv_args "::" < "$sinfail" > "$sout" &
1087 timeout ${timeout_test} \
1088 ip netns exec ${listener_ns} \
1089 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1090 $extra_srv_args "::" < "$sin" > "$sout" &
1094 mptcp_lib_wait_local_port_listen "${listener_ns}" "${port}"
1096 extra_cl_args="$extra_args $extra_cl_args"
1097 if [ "$test_linkfail" -eq 0 ];then
1098 timeout ${timeout_test} \
1099 ip netns exec ${connector_ns} \
1100 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1101 $extra_cl_args $connect_addr < "$cin" > "$cout" &
1102 elif [ "$test_linkfail" -eq 1 ] || [ "$test_linkfail" -eq 2 ];then
1103 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
1105 timeout ${timeout_test} \
1106 ip netns exec ${connector_ns} \
1107 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1108 $extra_cl_args $connect_addr > "$cout" &
1110 tee "$cinsent" < "$cinfail" | \
1111 timeout ${timeout_test} \
1112 ip netns exec ${connector_ns} \
1113 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1114 $extra_cl_args $connect_addr > "$cout" &
1118 pm_nl_set_endpoint $listener_ns $connector_ns $connect_addr
1119 check_cestab $listener_ns $connector_ns
1131 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1132 nstat | grep Tcp > /tmp/${listener_ns}.out
1133 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1134 nstat | grep Tcp > /tmp/${connector_ns}.out
1136 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1137 fail_test "client exit code $retc, server $rets"
1138 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1139 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1140 cat /tmp/${listener_ns}.out
1141 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1142 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1143 cat /tmp/${connector_ns}.out
1149 if [ "$test_linkfail" -gt 1 ];then
1150 check_transfer $sinfail $cout "file received by client" $trunc_size
1152 check_transfer $sin $cout "file received by client" $trunc_size
1155 if [ "$test_linkfail" -eq 0 ];then
1156 check_transfer $cin $sout "file received by server" $trunc_size
1158 check_transfer $cinsent $sout "file received by server" $trunc_size
1162 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1177 mptcp_lib_make_file $name 1024 $size
1179 print_info "Test file (size $size KB) for $who"
1184 local listener_ns="$1"
1185 local connector_ns="$2"
1186 local connect_addr="$3"
1189 local test_linkfail=${test_linkfail:-0}
1191 # The values above 2 are reused to make test files
1192 # with the given sizes (KB)
1193 if [ "$test_linkfail" -gt 2 ]; then
1196 if [ -z "$cinfail" ]; then
1199 make_file "$cinfail" "client" $size
1200 # create the input file for the failure test when
1201 # the first failure test run
1202 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1203 # the client file must be considerably larger
1204 # of the maximum expected cwin value, or the
1205 # link utilization will be not predicable
1209 size=$((size + ( RANDOM % 8192) ))
1212 make_file "$cinfail" "client" $size
1215 if [ "$test_linkfail" -gt 2 ]; then
1218 if [ -z "$sinfail" ]; then
1221 make_file "$sinfail" "server" $size
1222 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1228 make_file "$sinfail" "server" $size
1231 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
1236 echo Server ns stats
1237 ip netns exec $ns1 nstat -as | grep Tcp
1238 echo Client ns stats
1239 ip netns exec $ns2 nstat -as | grep Tcp
1244 local csum_ns1=${1:-0}
1245 local csum_ns2=${2:-0}
1248 local allow_multi_errors_ns1=0
1249 local allow_multi_errors_ns2=0
1251 if [[ "${csum_ns1}" = "+"* ]]; then
1252 allow_multi_errors_ns1=1
1253 csum_ns1=${csum_ns1:1}
1255 if [[ "${csum_ns2}" = "+"* ]]; then
1256 allow_multi_errors_ns2=1
1257 csum_ns2=${csum_ns2:1}
1261 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtDataCsumErr")
1262 if [ "$count" != "$csum_ns1" ]; then
1263 extra_msg="$extra_msg ns1=$count"
1265 if [ -z "$count" ]; then
1267 elif { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1268 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1269 fail_test "got $count data checksum error[s] expected $csum_ns1"
1274 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtDataCsumErr")
1275 if [ "$count" != "$csum_ns2" ]; then
1276 extra_msg="$extra_msg ns2=$count"
1278 if [ -z "$count" ]; then
1280 elif { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1281 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1282 fail_test "got $count data checksum error[s] expected $csum_ns2"
1287 print_info "$extra_msg"
1294 local ns_invert=${3:-""}
1299 local allow_tx_lost=0
1300 local allow_rx_lost=0
1302 if [[ $ns_invert = "invert" ]]; then
1308 if [[ "${fail_tx}" = "-"* ]]; then
1310 fail_tx=${fail_tx:1}
1312 if [[ "${fail_rx}" = "-"* ]]; then
1314 fail_rx=${fail_rx:1}
1318 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFailTx")
1319 if [ "$count" != "$fail_tx" ]; then
1320 extra_msg="$extra_msg,tx=$count"
1322 if [ -z "$count" ]; then
1324 elif { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1325 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1326 fail_test "got $count MP_FAIL[s] TX expected $fail_tx"
1331 print_check "failrx"
1332 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFailRx")
1333 if [ "$count" != "$fail_rx" ]; then
1334 extra_msg="$extra_msg,rx=$count"
1336 if [ -z "$count" ]; then
1338 elif { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1339 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1340 fail_test "got $count MP_FAIL[s] RX expected $fail_rx"
1345 print_info "$extra_msg"
1358 if [[ $ns_invert = "invert" ]]; then
1365 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
1366 if [ -z "$count" ]; then
1368 elif [ "$count" != "$fclose_tx" ]; then
1369 extra_msg="$extra_msg,tx=$count"
1370 fail_test "got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1375 print_check "fclzrx"
1376 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
1377 if [ -z "$count" ]; then
1379 elif [ "$count" != "$fclose_rx" ]; then
1380 extra_msg="$extra_msg,rx=$count"
1381 fail_test "got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1386 print_info "$extra_msg"
1393 local ns_invert=${3:-""}
1399 if [[ $ns_invert = "invert" ]]; then
1406 count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPRstTx")
1407 if [ -z "$count" ]; then
1409 # accept more rst than expected except if we don't expect any
1410 elif { [ $rst_tx -ne 0 ] && [ $count -lt $rst_tx ]; } ||
1411 { [ $rst_tx -eq 0 ] && [ $count -ne 0 ]; }; then
1412 fail_test "got $count MP_RST[s] TX expected $rst_tx"
1418 count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPRstRx")
1419 if [ -z "$count" ]; then
1421 # accept more rst than expected except if we don't expect any
1422 elif { [ $rst_rx -ne 0 ] && [ $count -lt $rst_rx ]; } ||
1423 { [ $rst_rx -eq 0 ] && [ $count -ne 0 ]; }; then
1424 fail_test "got $count MP_RST[s] RX expected $rst_rx"
1429 print_info "$extra_msg"
1439 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtInfiniteMapTx")
1440 if [ -z "$count" ]; then
1442 elif [ "$count" != "$infi_tx" ]; then
1443 fail_test "got $count infinite map[s] TX expected $infi_tx"
1448 print_check "infirx"
1449 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtInfiniteMapRx")
1450 if [ -z "$count" ]; then
1452 elif [ "$count" != "$infi_rx" ]; then
1453 fail_test "got $count infinite map[s] RX expected $infi_rx"
1464 local csum_ns1=${4:-0}
1465 local csum_ns2=${5:-0}
1466 local fail_nr=${6:-0}
1467 local rst_nr=${7:-0}
1468 local infi_nr=${8:-0}
1469 local corrupted_pkts=${9:-0}
1473 if [ "${corrupted_pkts}" -gt 0 ]; then
1474 print_info "${corrupted_pkts} corrupted pkts"
1478 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinSynRx")
1479 if [ -z "$count" ]; then
1481 elif [ "$count" != "$syn_nr" ]; then
1482 fail_test "got $count JOIN[s] syn expected $syn_nr"
1487 print_check "synack"
1488 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1489 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
1490 if [ -z "$count" ]; then
1492 elif [ "$count" != "$syn_ack_nr" ]; then
1493 # simult connections exceeding the limit with cookie enabled could go up to
1494 # synack validation as the conn limit can be enforced reliably only after
1495 # the subflow creation
1496 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1499 fail_test "got $count JOIN[s] synack expected $syn_ack_nr"
1506 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinAckRx")
1507 if [ -z "$count" ]; then
1509 elif [ "$count" != "$ack_nr" ]; then
1510 fail_test "got $count JOIN[s] ack expected $ack_nr"
1514 if $validate_checksum; then
1515 chk_csum_nr $csum_ns1 $csum_ns2
1516 chk_fail_nr $fail_nr $fail_nr
1517 chk_rst_nr $rst_nr $rst_nr
1518 chk_infi_nr $infi_nr $infi_nr
1522 # a negative value for 'stale_max' means no upper bound:
1523 # for bidirectional transfer, if one peer sleep for a while
1524 # - as these tests do - we can have a quite high number of
1525 # stale/recover conversions, proportional to
1526 # sleep duration/ MPTCP-level RTX interval.
1532 local stale_delta=$4
1539 stale_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowStale")
1540 recover_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowRecover")
1541 if [ -z "$stale_nr" ] || [ -z "$recover_nr" ]; then
1543 elif [ $stale_nr -lt $stale_min ] ||
1544 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1545 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1546 fail_test "got $stale_nr stale[s] $recover_nr recover[s], " \
1547 " expected stale in range [$stale_min..$stale_max]," \
1548 " stale-recover delta $stale_delta"
1554 if [ "${dump_stats}" = 1 ]; then
1556 ip netns exec $ns ip -s link show
1557 ip netns exec $ns nstat -as | grep MPTcp
1565 local port_nr=${3:-0}
1566 local syn_nr=${4:-$port_nr}
1567 local syn_ack_nr=${5:-$port_nr}
1568 local ack_nr=${6:-$port_nr}
1569 local mis_syn_nr=${7:-0}
1570 local mis_ack_nr=${8:-0}
1574 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1577 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtAddAddr")
1578 if [ -z "$count" ]; then
1580 # if the test configured a short timeout tolerate greater then expected
1581 # add addrs options, due to retransmissions
1582 elif [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1583 fail_test "got $count ADD_ADDR[s] expected $add_nr"
1589 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtEchoAdd")
1590 if [ -z "$count" ]; then
1592 elif [ "$count" != "$echo_nr" ]; then
1593 fail_test "got $count ADD_ADDR echo[s] expected $echo_nr"
1598 if [ $port_nr -gt 0 ]; then
1600 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtPortAdd")
1601 if [ -z "$count" ]; then
1603 elif [ "$count" != "$port_nr" ]; then
1604 fail_test "got $count ADD_ADDR[s] with a port-number expected $port_nr"
1610 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
1611 if [ -z "$count" ]; then
1613 elif [ "$count" != "$syn_nr" ]; then
1614 fail_test "got $count JOIN[s] syn with a different \
1615 port-number expected $syn_nr"
1620 print_check "synack"
1621 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
1622 if [ -z "$count" ]; then
1624 elif [ "$count" != "$syn_ack_nr" ]; then
1625 fail_test "got $count JOIN[s] synack with a different \
1626 port-number expected $syn_ack_nr"
1632 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
1633 if [ -z "$count" ]; then
1635 elif [ "$count" != "$ack_nr" ]; then
1636 fail_test "got $count JOIN[s] ack with a different \
1637 port-number expected $ack_nr"
1643 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
1644 if [ -z "$count" ]; then
1646 elif [ "$count" != "$mis_syn_nr" ]; then
1647 fail_test "got $count JOIN[s] syn with a mismatched \
1648 port-number expected $mis_syn_nr"
1654 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
1655 if [ -z "$count" ]; then
1657 elif [ "$count" != "$mis_ack_nr" ]; then
1658 fail_test "got $count JOIN[s] ack with a mismatched \
1659 port-number expected $mis_ack_nr"
1673 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1675 print_check "add TX"
1676 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTx")
1677 if [ -z "$count" ]; then
1679 # if the test configured a short timeout tolerate greater then expected
1680 # add addrs options, due to retransmissions
1681 elif [ "$count" != "$add_tx_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
1682 fail_test "got $count ADD_ADDR[s] TX, expected $add_tx_nr"
1687 print_check "echo TX"
1688 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtEchoAddTx")
1689 if [ -z "$count" ]; then
1691 elif [ "$count" != "$echo_tx_nr" ]; then
1692 fail_test "got $count ADD_ADDR echo[s] TX, expected $echo_tx_nr"
1701 local rm_subflow_nr=$2
1706 local subflow_ns=$ns2
1710 while [ -n "$1" ]; do
1711 [ "$1" = "invert" ] && invert=true
1712 [ "$1" = "simult" ] && simult=true
1716 if [ -z $invert ]; then
1719 elif [ $invert = "true" ]; then
1726 count=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmAddr")
1727 if [ -z "$count" ]; then
1729 elif [ "$count" != "$rm_addr_nr" ]; then
1730 fail_test "got $count RM_ADDR[s] expected $rm_addr_nr"
1736 count=$(mptcp_lib_get_counter ${subflow_ns} "MPTcpExtRmSubflow")
1737 if [ -z "$count" ]; then
1739 elif [ -n "$simult" ]; then
1742 cnt=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmSubflow")
1744 # in case of simult flush, the subflow removal count on each side is
1746 count=$((count + cnt))
1747 if [ "$count" != "$rm_subflow_nr" ]; then
1748 suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1749 extra_msg="$extra_msg simult"
1751 if [ $count -ge "$rm_subflow_nr" ] && \
1752 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1755 fail_test "got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1757 elif [ "$count" != "$rm_subflow_nr" ]; then
1758 fail_test "got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1763 print_info "$extra_msg"
1768 local rm_addr_tx_nr=$1
1771 count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtRmAddrTx")
1772 if [ -z "$count" ]; then
1774 elif [ "$count" != "$rm_addr_tx_nr" ]; then
1775 fail_test "got $count RM_ADDR[s] expected $rm_addr_tx_nr"
1783 local mp_prio_nr_tx=$1
1784 local mp_prio_nr_rx=$2
1788 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioTx")
1789 if [ -z "$count" ]; then
1791 elif [ "$count" != "$mp_prio_nr_tx" ]; then
1792 fail_test "got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1798 count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioRx")
1799 if [ -z "$count" ]; then
1801 elif [ "$count" != "$mp_prio_nr_rx" ]; then
1802 fail_test "got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1816 print_check "${msg}"
1818 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1819 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1820 if [ "$cnt1" != "$subflow_nr" ] || [ "$cnt2" != "$subflow_nr" ]; then
1821 fail_test "got $cnt1:$cnt2 subflows expected $subflow_nr"
1827 if [ "${dump_stats}" = 1 ]; then
1829 ss -N $ns1 -tOni | grep token
1830 ip -n $ns1 mptcp endpoint
1844 print_check "mptcp_info ${info1:0:15}=$exp1:$exp2"
1846 cnt1=$(ss -N $ns1 -inmHM | mptcp_lib_get_info_value "$info1" "$info1")
1847 cnt2=$(ss -N $ns2 -inmHM | mptcp_lib_get_info_value "$info2" "$info2")
1848 # 'ss' only display active connections and counters that are not 0.
1849 [ -z "$cnt1" ] && cnt1=0
1850 [ -z "$cnt2" ] && cnt2=0
1852 if [ "$cnt1" != "$exp1" ] || [ "$cnt2" != "$exp2" ]; then
1853 fail_test "got $cnt1:$cnt2 $info1:$info2 expected $exp1:$exp2"
1859 if [ "$dump_stats" = 1 ]; then
1865 # $1: subflows in ns1 ; $2: subflows in ns2
1866 # number of all subflows, including the initial subflow.
1867 chk_subflows_total()
1871 local info="subflows_total"
1874 # if subflows_total counter is supported, use it:
1875 if [ -n "$(ss -N $ns1 -inmHM | mptcp_lib_get_info_value $info $info)" ]; then
1876 chk_mptcp_info $info $1 $info $2
1880 print_check "$info $1:$2"
1882 # if not, count the TCP connections that are in fact MPTCP subflows
1883 cnt1=$(ss -N $ns1 -ti state established state syn-sent state syn-recv |
1884 grep -c tcp-ulp-mptcp)
1885 cnt2=$(ss -N $ns2 -ti state established state syn-sent state syn-recv |
1886 grep -c tcp-ulp-mptcp)
1888 if [ "$1" != "$cnt1" ] || [ "$2" != "$cnt2" ]; then
1889 fail_test "got subflows $cnt1:$cnt2 expected $1:$2"
1895 if [ "$dump_stats" = 1 ]; then
1906 local expected_rate=$4
1908 local tx_link tx_total
1909 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1910 tx_total=$(stat --format=%s $out)
1911 local tx_rate=$((tx_link * 100 / tx_total))
1914 print_check "link usage"
1915 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1916 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1917 fail_test "got $tx_rate% usage, expected $expected_rate%"
1925 local timeout_ms=$((timeout_poll * 1000))
1929 while [ $time -lt $timeout_ms ]; do
1932 cnt=$(mptcp_lib_get_counter ${ns} "TcpAttemptFails")
1934 [ "$cnt" = 1 ] && return 1
1935 time=$((time + 100))
1945 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1950 if reset "no JOIN"; then
1951 run_tests $ns1 $ns2 10.0.1.1
1955 # subflow limited by client
1956 if reset "single subflow, limited by client"; then
1957 pm_nl_set_limits $ns1 0 0
1958 pm_nl_set_limits $ns2 0 0
1959 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1960 run_tests $ns1 $ns2 10.0.1.1
1964 # subflow limited by server
1965 if reset "single subflow, limited by server"; then
1966 pm_nl_set_limits $ns1 0 0
1967 pm_nl_set_limits $ns2 0 1
1968 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1969 run_tests $ns1 $ns2 10.0.1.1
1974 if reset "single subflow"; then
1975 pm_nl_set_limits $ns1 0 1
1976 pm_nl_set_limits $ns2 0 1
1977 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1978 run_tests $ns1 $ns2 10.0.1.1
1983 if reset "multiple subflows"; then
1984 pm_nl_set_limits $ns1 0 2
1985 pm_nl_set_limits $ns2 0 2
1986 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1987 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1988 run_tests $ns1 $ns2 10.0.1.1
1992 # multiple subflows limited by server
1993 if reset "multiple subflows, limited by server"; then
1994 pm_nl_set_limits $ns1 0 1
1995 pm_nl_set_limits $ns2 0 2
1996 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1997 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1998 run_tests $ns1 $ns2 10.0.1.1
2002 # single subflow, dev
2003 if reset "single subflow, dev"; then
2004 pm_nl_set_limits $ns1 0 1
2005 pm_nl_set_limits $ns2 0 1
2006 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
2007 run_tests $ns1 $ns2 10.0.1.1
2012 subflows_error_tests()
2014 # If a single subflow is configured, and matches the MPC src
2015 # address, no additional subflow should be created
2016 if reset "no MPC reuse with single endpoint"; then
2017 pm_nl_set_limits $ns1 0 1
2018 pm_nl_set_limits $ns2 0 1
2019 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2021 run_tests $ns1 $ns2 10.0.1.1
2025 # multiple subflows, with subflow creation error
2026 if reset_with_tcp_filter "multi subflows, with failing subflow" ns1 10.0.3.2 REJECT &&
2027 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2028 pm_nl_set_limits $ns1 0 2
2029 pm_nl_set_limits $ns2 0 2
2030 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2031 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2033 run_tests $ns1 $ns2 10.0.1.1
2037 # multiple subflows, with subflow timeout on MPJ
2038 if reset_with_tcp_filter "multi subflows, with subflow timeout" ns1 10.0.3.2 DROP &&
2039 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2040 pm_nl_set_limits $ns1 0 2
2041 pm_nl_set_limits $ns2 0 2
2042 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2043 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2045 run_tests $ns1 $ns2 10.0.1.1
2049 # multiple subflows, check that the endpoint corresponding to
2050 # closed subflow (due to reset) is not reused if additional
2051 # subflows are added later
2052 if reset_with_tcp_filter "multi subflows, fair usage on close" ns1 10.0.3.2 REJECT &&
2053 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2054 pm_nl_set_limits $ns1 0 1
2055 pm_nl_set_limits $ns2 0 1
2056 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2058 run_tests $ns1 $ns2 10.0.1.1 &
2060 # mpj subflow will be in TW after the reset
2061 wait_attempt_fail $ns2
2062 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2065 # additional subflow could be created only if the PM select
2066 # the later endpoint, skipping the already used one
2071 signal_address_tests()
2073 # add_address, unused
2074 if reset "unused signal address"; then
2075 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2076 run_tests $ns1 $ns2 10.0.1.1
2082 # accept and use add_addr
2083 if reset "signal address"; then
2084 pm_nl_set_limits $ns1 0 1
2085 pm_nl_set_limits $ns2 1 1
2086 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2087 run_tests $ns1 $ns2 10.0.1.1
2092 # accept and use add_addr with an additional subflow
2093 # note: signal address in server ns and local addresses in client ns must
2094 # belong to different subnets or one of the listed local address could be
2095 # used for 'add_addr' subflow
2096 if reset "subflow and signal"; then
2097 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2098 pm_nl_set_limits $ns1 0 2
2099 pm_nl_set_limits $ns2 1 2
2100 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2101 run_tests $ns1 $ns2 10.0.1.1
2106 # accept and use add_addr with additional subflows
2107 if reset "multiple subflows and signal"; then
2108 pm_nl_set_limits $ns1 0 3
2109 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2110 pm_nl_set_limits $ns2 1 3
2111 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2112 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2113 run_tests $ns1 $ns2 10.0.1.1
2119 if reset "signal addresses"; then
2120 pm_nl_set_limits $ns1 3 3
2121 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2122 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2123 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2124 pm_nl_set_limits $ns2 3 3
2125 run_tests $ns1 $ns2 10.0.1.1
2130 # signal invalid addresses
2131 if reset "signal invalid addresses"; then
2132 pm_nl_set_limits $ns1 3 3
2133 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2134 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2135 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2136 pm_nl_set_limits $ns2 3 3
2137 run_tests $ns1 $ns2 10.0.1.1
2142 # signal addresses race test
2143 if reset "signal addresses race test"; then
2144 pm_nl_set_limits $ns1 4 4
2145 pm_nl_set_limits $ns2 4 4
2146 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2147 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2148 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2149 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2150 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
2151 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
2152 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
2153 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
2155 # the peer could possibly miss some addr notification, allow retransmission
2156 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
2158 run_tests $ns1 $ns2 10.0.1.1
2160 # It is not directly linked to the commit introducing this
2161 # symbol but for the parent one which is linked anyway.
2162 if ! mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2167 # the server will not signal the address terminating
2174 link_failure_tests()
2176 # accept and use add_addr with additional subflows and link loss
2177 if reset "multiple flows, signal, link failure"; then
2178 # without any b/w limit each veth could spool the packets and get
2179 # them acked at xmit time, so that the corresponding subflow will
2180 # have almost always no outstanding pkts, the scheduler will pick
2181 # always the first subflow and we will have hard time testing
2182 # active backup and link switch-over.
2183 # Let's set some arbitrary (low) virtual link limits.
2185 pm_nl_set_limits $ns1 0 3
2186 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2187 pm_nl_set_limits $ns2 1 3
2188 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2189 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2191 run_tests $ns1 $ns2 10.0.1.1
2194 chk_stale_nr $ns2 1 5 1
2197 # accept and use add_addr with additional subflows and link loss
2198 # for bidirectional transfer
2199 if reset "multi flows, signal, bidi, link fail"; then
2201 pm_nl_set_limits $ns1 0 3
2202 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2203 pm_nl_set_limits $ns2 1 3
2204 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2205 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2207 run_tests $ns1 $ns2 10.0.1.1
2210 chk_stale_nr $ns2 1 -1 1
2213 # 2 subflows plus 1 backup subflow with a lossy link, backup
2214 # will never be used
2215 if reset "backup subflow unused, link failure"; then
2217 pm_nl_set_limits $ns1 0 2
2218 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2219 pm_nl_set_limits $ns2 1 2
2220 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2221 FAILING_LINKS="1" test_linkfail=1 \
2222 run_tests $ns1 $ns2 10.0.1.1
2225 chk_link_usage $ns2 ns2eth3 $cinsent 0
2228 # 2 lossy links after half transfer, backup will get half of
2230 if reset "backup flow used, multi links fail"; then
2232 pm_nl_set_limits $ns1 0 2
2233 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2234 pm_nl_set_limits $ns2 1 2
2235 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2236 FAILING_LINKS="1 2" test_linkfail=1 \
2237 run_tests $ns1 $ns2 10.0.1.1
2240 chk_stale_nr $ns2 2 4 2
2241 chk_link_usage $ns2 ns2eth3 $cinsent 50
2244 # use a backup subflow with the first subflow on a lossy link
2245 # for bidirectional transfer
2246 if reset "backup flow used, bidi, link failure"; then
2248 pm_nl_set_limits $ns1 0 2
2249 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2250 pm_nl_set_limits $ns2 1 3
2251 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2252 FAILING_LINKS="1 2" test_linkfail=2 \
2253 run_tests $ns1 $ns2 10.0.1.1
2256 chk_stale_nr $ns2 1 -1 2
2257 chk_link_usage $ns2 ns2eth3 $cinsent 50
2261 add_addr_timeout_tests()
2264 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2265 pm_nl_set_limits $ns1 0 1
2266 pm_nl_set_limits $ns2 1 1
2267 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2269 run_tests $ns1 $ns2 10.0.1.1
2275 # add_addr timeout IPv6
2276 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2277 pm_nl_set_limits $ns1 0 1
2278 pm_nl_set_limits $ns2 1 1
2279 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2281 run_tests $ns1 $ns2 dead:beef:1::1
2286 # signal addresses timeout
2287 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2288 pm_nl_set_limits $ns1 2 2
2289 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2290 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2291 pm_nl_set_limits $ns2 2 2
2293 run_tests $ns1 $ns2 10.0.1.1
2298 # signal invalid addresses timeout
2299 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2300 pm_nl_set_limits $ns1 2 2
2301 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2302 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2303 pm_nl_set_limits $ns2 2 2
2305 run_tests $ns1 $ns2 10.0.1.1
2313 # single subflow, remove
2314 if reset "remove single subflow"; then
2315 pm_nl_set_limits $ns1 0 1
2316 pm_nl_set_limits $ns2 0 1
2317 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2318 addr_nr_ns2=-1 speed=slow \
2319 run_tests $ns1 $ns2 10.0.1.1
2326 # multiple subflows, remove
2327 if reset "remove multiple subflows"; then
2328 pm_nl_set_limits $ns1 0 2
2329 pm_nl_set_limits $ns2 0 2
2330 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2331 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2332 addr_nr_ns2=-2 speed=slow \
2333 run_tests $ns1 $ns2 10.0.1.1
2339 # single address, remove
2340 if reset "remove single address"; then
2341 pm_nl_set_limits $ns1 0 1
2342 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2343 pm_nl_set_limits $ns2 1 1
2344 addr_nr_ns1=-1 speed=slow \
2345 run_tests $ns1 $ns2 10.0.1.1
2348 chk_rm_nr 1 1 invert
2352 # subflow and signal, remove
2353 if reset "remove subflow and signal"; then
2354 pm_nl_set_limits $ns1 0 2
2355 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2356 pm_nl_set_limits $ns2 1 2
2357 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2358 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2359 run_tests $ns1 $ns2 10.0.1.1
2366 # subflows and signal, remove
2367 if reset "remove subflows and signal"; then
2368 pm_nl_set_limits $ns1 0 3
2369 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2370 pm_nl_set_limits $ns2 1 3
2371 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2372 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2373 addr_nr_ns1=-1 addr_nr_ns2=-2 speed=10 \
2374 run_tests $ns1 $ns2 10.0.1.1
2382 if reset "remove addresses"; then
2383 pm_nl_set_limits $ns1 3 3
2384 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2385 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2386 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2387 pm_nl_set_limits $ns2 3 3
2388 addr_nr_ns1=-3 speed=10 \
2389 run_tests $ns1 $ns2 10.0.1.1
2392 chk_rm_nr 3 3 invert
2396 # invalid addresses remove
2397 if reset "remove invalid addresses"; then
2398 pm_nl_set_limits $ns1 3 3
2399 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2400 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2401 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2402 pm_nl_set_limits $ns2 3 3
2403 addr_nr_ns1=-3 speed=10 \
2404 run_tests $ns1 $ns2 10.0.1.1
2407 chk_rm_nr 3 1 invert
2411 # subflows and signal, flush
2412 if reset "flush subflows and signal"; then
2413 pm_nl_set_limits $ns1 0 3
2414 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2415 pm_nl_set_limits $ns2 1 3
2416 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2417 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2418 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2419 run_tests $ns1 $ns2 10.0.1.1
2422 chk_rm_nr 1 3 invert simult
2427 if reset "flush subflows"; then
2428 pm_nl_set_limits $ns1 3 3
2429 pm_nl_set_limits $ns2 3 3
2430 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2431 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2432 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2433 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2434 run_tests $ns1 $ns2 10.0.1.1
2437 if mptcp_lib_kversion_ge 5.18; then
2439 chk_rm_nr 0 3 simult
2447 if reset "flush addresses"; then
2448 pm_nl_set_limits $ns1 3 3
2449 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2450 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2451 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2452 pm_nl_set_limits $ns2 3 3
2453 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2454 run_tests $ns1 $ns2 10.0.1.1
2457 chk_rm_nr 3 3 invert simult
2461 # invalid addresses flush
2462 if reset "flush invalid addresses"; then
2463 pm_nl_set_limits $ns1 3 3
2464 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2465 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2466 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2467 pm_nl_set_limits $ns2 3 3
2468 addr_nr_ns1=-8 speed=slow \
2469 run_tests $ns1 $ns2 10.0.1.1
2472 chk_rm_nr 3 1 invert
2476 # remove id 0 subflow
2477 if reset "remove id 0 subflow"; then
2478 pm_nl_set_limits $ns1 0 1
2479 pm_nl_set_limits $ns2 0 1
2480 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2481 addr_nr_ns2=-9 speed=slow \
2482 run_tests $ns1 $ns2 10.0.1.1
2488 # remove id 0 address
2489 if reset "remove id 0 address"; then
2490 pm_nl_set_limits $ns1 0 1
2491 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2492 pm_nl_set_limits $ns2 1 1
2493 addr_nr_ns1=-9 speed=slow \
2494 run_tests $ns1 $ns2 10.0.1.1
2497 chk_rm_nr 1 1 invert
2498 chk_rst_nr 0 0 invert
2504 # add single subflow
2505 if reset "add single subflow"; then
2506 pm_nl_set_limits $ns1 0 1
2507 pm_nl_set_limits $ns2 0 1
2508 addr_nr_ns2=1 speed=slow cestab_ns2=1 \
2509 run_tests $ns1 $ns2 10.0.1.1
2511 chk_cestab_nr $ns2 0
2514 # add signal address
2515 if reset "add signal address"; then
2516 pm_nl_set_limits $ns1 0 1
2517 pm_nl_set_limits $ns2 1 1
2518 addr_nr_ns1=1 speed=slow cestab_ns1=1 \
2519 run_tests $ns1 $ns2 10.0.1.1
2522 chk_cestab_nr $ns1 0
2525 # add multiple subflows
2526 if reset "add multiple subflows"; then
2527 pm_nl_set_limits $ns1 0 2
2528 pm_nl_set_limits $ns2 0 2
2529 addr_nr_ns2=2 speed=slow cestab_ns2=1 \
2530 run_tests $ns1 $ns2 10.0.1.1
2532 chk_cestab_nr $ns2 0
2535 # add multiple subflows IPv6
2536 if reset "add multiple subflows IPv6"; then
2537 pm_nl_set_limits $ns1 0 2
2538 pm_nl_set_limits $ns2 0 2
2539 addr_nr_ns2=2 speed=slow cestab_ns2=1 \
2540 run_tests $ns1 $ns2 dead:beef:1::1
2542 chk_cestab_nr $ns2 0
2545 # add multiple addresses IPv6
2546 if reset "add multiple addresses IPv6"; then
2547 pm_nl_set_limits $ns1 0 2
2548 pm_nl_set_limits $ns2 2 2
2549 addr_nr_ns1=2 speed=slow cestab_ns1=1 \
2550 run_tests $ns1 $ns2 dead:beef:1::1
2553 chk_cestab_nr $ns1 0
2560 if reset "single subflow IPv6"; then
2561 pm_nl_set_limits $ns1 0 1
2562 pm_nl_set_limits $ns2 0 1
2563 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2565 run_tests $ns1 $ns2 dead:beef:1::1
2569 # add_address, unused IPv6
2570 if reset "unused signal address IPv6"; then
2571 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2573 run_tests $ns1 $ns2 dead:beef:1::1
2578 # signal address IPv6
2579 if reset "single address IPv6"; then
2580 pm_nl_set_limits $ns1 0 1
2581 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2582 pm_nl_set_limits $ns2 1 1
2584 run_tests $ns1 $ns2 dead:beef:1::1
2589 # single address IPv6, remove
2590 if reset "remove single address IPv6"; then
2591 pm_nl_set_limits $ns1 0 1
2592 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2593 pm_nl_set_limits $ns2 1 1
2594 addr_nr_ns1=-1 speed=slow \
2595 run_tests $ns1 $ns2 dead:beef:1::1
2598 chk_rm_nr 1 1 invert
2601 # subflow and signal IPv6, remove
2602 if reset "remove subflow and signal IPv6"; then
2603 pm_nl_set_limits $ns1 0 2
2604 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2605 pm_nl_set_limits $ns2 1 2
2606 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2607 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2608 run_tests $ns1 $ns2 dead:beef:1::1
2617 # subflow IPv4-mapped to IPv4-mapped
2618 if reset "single subflow IPv4-mapped"; then
2619 pm_nl_set_limits $ns1 0 1
2620 pm_nl_set_limits $ns2 0 1
2621 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2622 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2626 # signal address IPv4-mapped with IPv4-mapped sk
2627 if reset "signal address IPv4-mapped"; then
2628 pm_nl_set_limits $ns1 0 1
2629 pm_nl_set_limits $ns2 1 1
2630 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2631 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2637 if reset "single subflow v4-map-v6"; then
2638 pm_nl_set_limits $ns1 0 1
2639 pm_nl_set_limits $ns2 0 1
2640 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2641 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2645 # signal address v4-map-v6
2646 if reset "signal address v4-map-v6"; then
2647 pm_nl_set_limits $ns1 0 1
2648 pm_nl_set_limits $ns2 1 1
2649 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2650 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2656 if reset "single subflow v6-map-v4"; then
2657 pm_nl_set_limits $ns1 0 1
2658 pm_nl_set_limits $ns2 0 1
2659 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2660 run_tests $ns1 $ns2 10.0.1.1
2664 # signal address v6-map-v4
2665 if reset "signal address v6-map-v4"; then
2666 pm_nl_set_limits $ns1 0 1
2667 pm_nl_set_limits $ns2 1 1
2668 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2669 run_tests $ns1 $ns2 10.0.1.1
2674 # no subflow IPv6 to v4 address
2675 if reset "no JOIN with diff families v4-v6"; then
2676 pm_nl_set_limits $ns1 0 1
2677 pm_nl_set_limits $ns2 0 1
2678 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2679 run_tests $ns1 $ns2 10.0.1.1
2683 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2684 if reset "no JOIN with diff families v4-v6-2"; then
2685 pm_nl_set_limits $ns1 0 1
2686 pm_nl_set_limits $ns2 0 1
2687 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2688 run_tests $ns1 $ns2 10.0.1.1
2692 # no subflow IPv4 to v6 address, no need to slow down too then
2693 if reset "no JOIN with diff families v6-v4"; then
2694 pm_nl_set_limits $ns1 0 1
2695 pm_nl_set_limits $ns2 0 1
2696 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2697 run_tests $ns1 $ns2 dead:beef:1::1
2704 if reset "IPv4 sockets do not use IPv6 addresses" &&
2705 continue_if mptcp_lib_kversion_ge 6.3; then
2706 pm_nl_set_limits $ns1 0 1
2707 pm_nl_set_limits $ns2 1 1
2708 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2710 run_tests $ns1 $ns2 10.0.1.1
2714 # Need an IPv6 mptcp socket to allow subflows of both families
2715 if reset "simult IPv4 and IPv6 subflows" &&
2716 continue_if mptcp_lib_kversion_ge 6.3; then
2717 pm_nl_set_limits $ns1 0 1
2718 pm_nl_set_limits $ns2 1 1
2719 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2721 run_tests $ns1 $ns2 dead:beef:2::1
2725 # cross families subflows will not be created even in fullmesh mode
2726 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1" &&
2727 continue_if mptcp_lib_kversion_ge 6.3; then
2728 pm_nl_set_limits $ns1 0 4
2729 pm_nl_set_limits $ns2 1 4
2730 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
2731 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2733 run_tests $ns1 $ns2 dead:beef:2::1
2737 # fullmesh still tries to create all the possibly subflows with
2739 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2" &&
2740 continue_if mptcp_lib_kversion_ge 6.3; then
2741 pm_nl_set_limits $ns1 0 4
2742 pm_nl_set_limits $ns2 2 4
2743 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2744 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2745 fullmesh=1 speed=slow \
2746 run_tests $ns1 $ns2 dead:beef:1::1
2753 # single subflow, backup
2754 if reset "single subflow, backup" &&
2755 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2756 pm_nl_set_limits $ns1 0 1
2757 pm_nl_set_limits $ns2 0 1
2758 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2759 sflags=nobackup speed=slow \
2760 run_tests $ns1 $ns2 10.0.1.1
2765 # single address, backup
2766 if reset "single address, backup" &&
2767 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2768 pm_nl_set_limits $ns1 0 1
2769 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2770 pm_nl_set_limits $ns2 1 1
2771 sflags=backup speed=slow \
2772 run_tests $ns1 $ns2 10.0.1.1
2778 # single address with port, backup
2779 if reset "single address with port, backup" &&
2780 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2781 pm_nl_set_limits $ns1 0 1
2782 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2783 pm_nl_set_limits $ns2 1 1
2784 sflags=backup speed=slow \
2785 run_tests $ns1 $ns2 10.0.1.1
2791 if reset "mpc backup" &&
2792 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2793 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2795 run_tests $ns1 $ns2 10.0.1.1
2800 if reset "mpc backup both sides" &&
2801 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2802 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2803 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2805 run_tests $ns1 $ns2 10.0.1.1
2810 if reset "mpc switch to backup" &&
2811 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2812 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2813 sflags=backup speed=slow \
2814 run_tests $ns1 $ns2 10.0.1.1
2819 if reset "mpc switch to backup both sides" &&
2820 continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then
2821 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2822 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2823 sflags=backup speed=slow \
2824 run_tests $ns1 $ns2 10.0.1.1
2830 SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED
2831 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
2832 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
2837 verify_listener_events()
2850 if [ $e_type = $LISTENER_CREATED ]; then
2851 name="LISTENER_CREATED"
2852 elif [ $e_type = $LISTENER_CLOSED ]; then
2853 name="LISTENER_CLOSED "
2858 print_check "$name $e_saddr:$e_sport"
2860 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
2861 print_skip "event not supported"
2865 type=$(mptcp_lib_evts_get_info type "$evt" "$e_type")
2866 family=$(mptcp_lib_evts_get_info family "$evt" "$e_type")
2867 sport=$(mptcp_lib_evts_get_info sport "$evt" "$e_type")
2868 if [ $family ] && [ $family = $AF_INET6 ]; then
2869 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" "$e_type")
2871 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" "$e_type")
2874 if [ $type ] && [ $type = $e_type ] &&
2875 [ $family ] && [ $family = $e_family ] &&
2876 [ $saddr ] && [ $saddr = $e_saddr ] &&
2877 [ $sport ] && [ $sport = $e_sport ]; then
2881 fail_test "$e_type:$type $e_family:$family $e_saddr:$saddr $e_sport:$sport"
2884 add_addr_ports_tests()
2886 # signal address with port
2887 if reset "signal address with port"; then
2888 pm_nl_set_limits $ns1 0 1
2889 pm_nl_set_limits $ns2 1 1
2890 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2891 run_tests $ns1 $ns2 10.0.1.1
2896 # subflow and signal with port
2897 if reset "subflow and signal with port"; then
2898 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2899 pm_nl_set_limits $ns1 0 2
2900 pm_nl_set_limits $ns2 1 2
2901 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2902 run_tests $ns1 $ns2 10.0.1.1
2907 # single address with port, remove
2908 # pm listener events
2909 if reset_with_events "remove single address with port"; then
2910 pm_nl_set_limits $ns1 0 1
2911 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2912 pm_nl_set_limits $ns2 1 1
2913 addr_nr_ns1=-1 speed=slow \
2914 run_tests $ns1 $ns2 10.0.1.1
2917 chk_rm_nr 1 1 invert
2919 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100
2920 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100
2924 # subflow and signal with port, remove
2925 if reset "remove subflow and signal with port"; then
2926 pm_nl_set_limits $ns1 0 2
2927 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2928 pm_nl_set_limits $ns2 1 2
2929 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2930 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2931 run_tests $ns1 $ns2 10.0.1.1
2937 # subflows and signal with port, flush
2938 if reset "flush subflows and signal with port"; then
2939 pm_nl_set_limits $ns1 0 3
2940 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2941 pm_nl_set_limits $ns2 1 3
2942 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2943 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2944 addr_nr_ns1=-8 addr_nr_ns2=-2 speed=slow \
2945 run_tests $ns1 $ns2 10.0.1.1
2948 chk_rm_nr 1 3 invert simult
2951 # multiple addresses with port
2952 if reset "multiple addresses with port"; then
2953 pm_nl_set_limits $ns1 2 2
2954 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2955 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2956 pm_nl_set_limits $ns2 2 2
2957 run_tests $ns1 $ns2 10.0.1.1
2962 # multiple addresses with ports
2963 if reset "multiple addresses with ports"; then
2964 pm_nl_set_limits $ns1 2 2
2965 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2966 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2967 pm_nl_set_limits $ns2 2 2
2968 run_tests $ns1 $ns2 10.0.1.1
2976 # single subflow, syncookies
2977 if reset_with_cookies "single subflow with syn cookies"; then
2978 pm_nl_set_limits $ns1 0 1
2979 pm_nl_set_limits $ns2 0 1
2980 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2981 run_tests $ns1 $ns2 10.0.1.1
2985 # multiple subflows with syn cookies
2986 if reset_with_cookies "multiple subflows with syn cookies"; then
2987 pm_nl_set_limits $ns1 0 2
2988 pm_nl_set_limits $ns2 0 2
2989 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2990 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2991 run_tests $ns1 $ns2 10.0.1.1
2995 # multiple subflows limited by server
2996 if reset_with_cookies "subflows limited by server w cookies"; then
2997 pm_nl_set_limits $ns1 0 1
2998 pm_nl_set_limits $ns2 0 2
2999 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3000 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
3001 run_tests $ns1 $ns2 10.0.1.1
3005 # test signal address with cookies
3006 if reset_with_cookies "signal address with syn cookies"; then
3007 pm_nl_set_limits $ns1 0 1
3008 pm_nl_set_limits $ns2 1 1
3009 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3010 run_tests $ns1 $ns2 10.0.1.1
3015 # test cookie with subflow and signal
3016 if reset_with_cookies "subflow and signal w cookies"; then
3017 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3018 pm_nl_set_limits $ns1 0 2
3019 pm_nl_set_limits $ns2 1 2
3020 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3021 run_tests $ns1 $ns2 10.0.1.1
3026 # accept and use add_addr with additional subflows
3027 if reset_with_cookies "subflows and signal w. cookies"; then
3028 pm_nl_set_limits $ns1 0 3
3029 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3030 pm_nl_set_limits $ns2 1 3
3031 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3032 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
3033 run_tests $ns1 $ns2 10.0.1.1
3042 if reset_with_checksum 0 0; then
3043 pm_nl_set_limits $ns1 0 1
3044 pm_nl_set_limits $ns2 0 1
3045 run_tests $ns1 $ns2 10.0.1.1
3050 if reset_with_checksum 1 1; then
3051 pm_nl_set_limits $ns1 0 1
3052 pm_nl_set_limits $ns2 0 1
3053 run_tests $ns1 $ns2 10.0.1.1
3058 if reset_with_checksum 0 1; then
3059 pm_nl_set_limits $ns1 0 1
3060 pm_nl_set_limits $ns2 0 1
3061 run_tests $ns1 $ns2 10.0.1.1
3066 if reset_with_checksum 1 0; then
3067 pm_nl_set_limits $ns1 0 1
3068 pm_nl_set_limits $ns2 0 1
3069 run_tests $ns1 $ns2 10.0.1.1
3074 deny_join_id0_tests()
3076 # subflow allow join id0 ns1
3077 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
3078 pm_nl_set_limits $ns1 1 1
3079 pm_nl_set_limits $ns2 1 1
3080 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3081 run_tests $ns1 $ns2 10.0.1.1
3085 # subflow allow join id0 ns2
3086 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
3087 pm_nl_set_limits $ns1 1 1
3088 pm_nl_set_limits $ns2 1 1
3089 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3090 run_tests $ns1 $ns2 10.0.1.1
3094 # signal address allow join id0 ns1
3095 # ADD_ADDRs are not affected by allow_join_id0 value.
3096 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
3097 pm_nl_set_limits $ns1 1 1
3098 pm_nl_set_limits $ns2 1 1
3099 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3100 run_tests $ns1 $ns2 10.0.1.1
3105 # signal address allow join id0 ns2
3106 # ADD_ADDRs are not affected by allow_join_id0 value.
3107 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
3108 pm_nl_set_limits $ns1 1 1
3109 pm_nl_set_limits $ns2 1 1
3110 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3111 run_tests $ns1 $ns2 10.0.1.1
3116 # subflow and address allow join id0 ns1
3117 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
3118 pm_nl_set_limits $ns1 2 2
3119 pm_nl_set_limits $ns2 2 2
3120 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3121 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3122 run_tests $ns1 $ns2 10.0.1.1
3126 # subflow and address allow join id0 ns2
3127 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
3128 pm_nl_set_limits $ns1 2 2
3129 pm_nl_set_limits $ns2 2 2
3130 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3131 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3132 run_tests $ns1 $ns2 10.0.1.1
3140 # 2 fullmesh addrs in ns2, added before the connection,
3141 # 1 non-fullmesh addr in ns1, added during the connection.
3142 if reset "fullmesh test 2x1"; then
3143 pm_nl_set_limits $ns1 0 4
3144 pm_nl_set_limits $ns2 1 4
3145 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
3146 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
3147 addr_nr_ns1=1 speed=slow \
3148 run_tests $ns1 $ns2 10.0.1.1
3154 # 1 non-fullmesh addr in ns1, added before the connection,
3155 # 1 fullmesh addr in ns2, added during the connection.
3156 if reset "fullmesh test 1x1"; then
3157 pm_nl_set_limits $ns1 1 3
3158 pm_nl_set_limits $ns2 1 3
3159 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3160 fullmesh=1 speed=slow \
3161 run_tests $ns1 $ns2 10.0.1.1
3167 # 1 non-fullmesh addr in ns1, added before the connection,
3168 # 2 fullmesh addrs in ns2, added during the connection.
3169 if reset "fullmesh test 1x2"; then
3170 pm_nl_set_limits $ns1 2 5
3171 pm_nl_set_limits $ns2 1 5
3172 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3173 fullmesh=2 speed=slow \
3174 run_tests $ns1 $ns2 10.0.1.1
3180 # 1 non-fullmesh addr in ns1, added before the connection,
3181 # 2 fullmesh addrs in ns2, added during the connection,
3182 # limit max_subflows to 4.
3183 if reset "fullmesh test 1x2, limited"; then
3184 pm_nl_set_limits $ns1 2 4
3185 pm_nl_set_limits $ns2 1 4
3186 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3187 fullmesh=2 speed=slow \
3188 run_tests $ns1 $ns2 10.0.1.1
3194 if reset "set fullmesh flag test" &&
3195 continue_if mptcp_lib_kversion_ge 5.18; then
3196 pm_nl_set_limits $ns1 4 4
3197 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3198 pm_nl_set_limits $ns2 4 4
3199 addr_nr_ns2=1 sflags=fullmesh speed=slow \
3200 run_tests $ns1 $ns2 10.0.1.1
3205 # set nofullmesh flag
3206 if reset "set nofullmesh flag test" &&
3207 continue_if mptcp_lib_kversion_ge 5.18; then
3208 pm_nl_set_limits $ns1 4 4
3209 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
3210 pm_nl_set_limits $ns2 4 4
3211 fullmesh=1 sflags=nofullmesh speed=slow \
3212 run_tests $ns1 $ns2 10.0.1.1
3217 # set backup,fullmesh flags
3218 if reset "set backup,fullmesh flags test" &&
3219 continue_if mptcp_lib_kversion_ge 5.18; then
3220 pm_nl_set_limits $ns1 4 4
3221 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3222 pm_nl_set_limits $ns2 4 4
3223 addr_nr_ns2=1 sflags=backup,fullmesh speed=slow \
3224 run_tests $ns1 $ns2 10.0.1.1
3230 # set nobackup,nofullmesh flags
3231 if reset "set nobackup,nofullmesh flags test" &&
3232 continue_if mptcp_lib_kversion_ge 5.18; then
3233 pm_nl_set_limits $ns1 4 4
3234 pm_nl_set_limits $ns2 4 4
3235 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
3236 sflags=nobackup,nofullmesh speed=slow \
3237 run_tests $ns1 $ns2 10.0.1.1
3246 if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then
3247 test_linkfail=1024 fastclose=client \
3248 run_tests $ns1 $ns2 10.0.1.1
3251 chk_rst_nr 1 1 invert
3254 if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
3255 test_linkfail=1024 fastclose=server \
3256 run_tests $ns1 $ns2 10.0.1.1
3257 chk_join_nr 0 0 0 0 0 0 1
3258 chk_fclose_nr 1 1 invert
3265 tc -n $ns2 -j -s action show action pedit index 100 | \
3266 mptcp_lib_get_info_value \"packets\" packets
3272 if reset_with_fail "Infinite map" 1; then
3274 run_tests $ns1 $ns2 10.0.1.1
3275 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
3276 chk_fail_nr 1 -1 invert
3280 if reset_with_fail "MP_FAIL MP_RST" 2; then
3281 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
3282 pm_nl_set_limits $ns1 0 1
3283 pm_nl_set_limits $ns2 0 1
3284 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3285 test_linkfail=1024 \
3286 run_tests $ns1 $ns2 10.0.1.1
3287 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
3291 # $1: ns ; $2: addr ; $3: id
3292 userspace_pm_add_addr()
3294 local evts=$evts_ns1
3297 [ "$1" == "$ns2" ] && evts=$evts_ns2
3298 tk=$(mptcp_lib_evts_get_info token "$evts")
3300 ip netns exec $1 ./pm_nl_ctl ann $2 token $tk id $3
3305 userspace_pm_rm_addr()
3307 local evts=$evts_ns1
3311 [ "$1" == "$ns2" ] && evts=$evts_ns2
3312 tk=$(mptcp_lib_evts_get_info token "$evts")
3314 cnt=$(rm_addr_count ${1})
3315 ip netns exec $1 ./pm_nl_ctl rem token $tk id $2
3316 wait_rm_addr $1 "${cnt}"
3319 # $1: ns ; $2: addr ; $3: id
3320 userspace_pm_add_sf()
3322 local evts=$evts_ns1
3325 [ "$1" == "$ns2" ] && evts=$evts_ns2
3326 tk=$(mptcp_lib_evts_get_info token "$evts")
3327 da=$(mptcp_lib_evts_get_info daddr4 "$evts")
3328 dp=$(mptcp_lib_evts_get_info dport "$evts")
3330 ip netns exec $1 ./pm_nl_ctl csf lip $2 lid $3 \
3331 rip $da rport $dp token $tk
3335 # $1: ns ; $2: addr $3: event type
3336 userspace_pm_rm_sf()
3338 local evts=$evts_ns1
3344 [ "$1" == "$ns2" ] && evts=$evts_ns2
3345 [ -n "$(mptcp_lib_evts_get_info "saddr4" "$evts" $t)" ] && ip=4
3346 [ -n "$(mptcp_lib_evts_get_info "saddr6" "$evts" $t)" ] && ip=6
3347 tk=$(mptcp_lib_evts_get_info token "$evts")
3348 da=$(mptcp_lib_evts_get_info "daddr$ip" "$evts" $t $2)
3349 dp=$(mptcp_lib_evts_get_info dport "$evts" $t $2)
3350 sp=$(mptcp_lib_evts_get_info sport "$evts" $t $2)
3352 cnt=$(rm_sf_count ${1})
3353 ip netns exec $1 ./pm_nl_ctl dsf lip $2 lport $sp \
3354 rip $da rport $dp token $tk
3355 wait_rm_sf $1 "${cnt}"
3365 mptcp_lib_check_output "${err}" "${cmd}" "${expected}" || rc=${?}
3366 if [ ${rc} -eq 2 ]; then
3367 fail_test "fail to check output # error ${rc}"
3368 elif [ ${rc} -eq 0 ]; then
3370 elif [ ${rc} -eq 1 ]; then
3371 fail_test "fail to check output # different output"
3378 local evts=$evts_ns1
3381 [ "$1" == "$ns2" ] && evts=$evts_ns2
3382 tk=$(mptcp_lib_evts_get_info token "$evts")
3384 ip netns exec $1 ./pm_nl_ctl dump token $tk
3388 userspace_pm_get_addr()
3390 local evts=$evts_ns1
3393 [ "$1" == "$ns2" ] && evts=$evts_ns2
3394 tk=$(mptcp_lib_evts_get_info token "$evts")
3396 ip netns exec $1 ./pm_nl_ctl get $2 token $tk
3399 userspace_pm_chk_dump_addr()
3405 print_check "dump addrs ${check}"
3407 if mptcp_lib_kallsyms_has "mptcp_userspace_pm_dump_addr$"; then
3408 check_output "userspace_pm_dump ${ns}" "${exp}"
3414 userspace_pm_chk_get_addr()
3420 print_check "get id ${id} addr"
3422 if mptcp_lib_kallsyms_has "mptcp_userspace_pm_get_addr$"; then
3423 check_output "userspace_pm_get_addr ${ns} ${id}" "${exp}"
3431 # userspace pm type prevents add_addr
3432 if reset "userspace pm type prevents add_addr" &&
3433 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3434 set_userspace_pm $ns1
3435 pm_nl_set_limits $ns1 0 2
3436 pm_nl_set_limits $ns2 0 2
3437 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3438 run_tests $ns1 $ns2 10.0.1.1
3443 # userspace pm type does not echo add_addr without daemon
3444 if reset "userspace pm no echo w/o daemon" &&
3445 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3446 set_userspace_pm $ns2
3447 pm_nl_set_limits $ns1 0 2
3448 pm_nl_set_limits $ns2 0 2
3449 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3450 run_tests $ns1 $ns2 10.0.1.1
3455 # userspace pm type rejects join
3456 if reset "userspace pm type rejects join" &&
3457 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3458 set_userspace_pm $ns1
3459 pm_nl_set_limits $ns1 1 1
3460 pm_nl_set_limits $ns2 1 1
3461 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3462 run_tests $ns1 $ns2 10.0.1.1
3466 # userspace pm type does not send join
3467 if reset "userspace pm type does not send join" &&
3468 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3469 set_userspace_pm $ns2
3470 pm_nl_set_limits $ns1 1 1
3471 pm_nl_set_limits $ns2 1 1
3472 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3473 run_tests $ns1 $ns2 10.0.1.1
3477 # userspace pm type prevents mp_prio
3478 if reset "userspace pm type prevents mp_prio" &&
3479 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3480 set_userspace_pm $ns1
3481 pm_nl_set_limits $ns1 1 1
3482 pm_nl_set_limits $ns2 1 1
3483 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3484 sflags=backup speed=slow \
3485 run_tests $ns1 $ns2 10.0.1.1
3490 # userspace pm type prevents rm_addr
3491 if reset "userspace pm type prevents rm_addr" &&
3492 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3493 set_userspace_pm $ns1
3494 set_userspace_pm $ns2
3495 pm_nl_set_limits $ns1 0 1
3496 pm_nl_set_limits $ns2 0 1
3497 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3498 addr_nr_ns2=-1 speed=slow \
3499 run_tests $ns1 $ns2 10.0.1.1
3504 # userspace pm add & remove address
3505 if reset_with_events "userspace pm add & remove address" &&
3506 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3507 set_userspace_pm $ns1
3508 pm_nl_set_limits $ns2 2 2
3510 run_tests $ns1 $ns2 10.0.1.1 &
3513 userspace_pm_add_addr $ns1 10.0.2.1 10
3514 userspace_pm_add_addr $ns1 10.0.3.1 20
3517 chk_mptcp_info subflows 2 subflows 2
3518 chk_subflows_total 3 3
3519 chk_mptcp_info add_addr_signal 2 add_addr_accepted 2
3520 userspace_pm_chk_dump_addr "${ns1}" \
3521 $'id 10 flags signal 10.0.2.1\nid 20 flags signal 10.0.3.1' \
3523 userspace_pm_chk_get_addr "${ns1}" "10" "id 10 flags signal 10.0.2.1"
3524 userspace_pm_chk_get_addr "${ns1}" "20" "id 20 flags signal 10.0.3.1"
3525 userspace_pm_rm_addr $ns1 10
3526 userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED
3527 userspace_pm_chk_dump_addr "${ns1}" \
3528 "id 20 flags signal 10.0.3.1" "after rm_addr 10"
3529 userspace_pm_rm_addr $ns1 20
3530 userspace_pm_rm_sf $ns1 10.0.3.1 $SUB_ESTABLISHED
3531 userspace_pm_chk_dump_addr "${ns1}" "" "after rm_addr 20"
3532 chk_rm_nr 2 2 invert
3533 chk_mptcp_info subflows 0 subflows 0
3534 chk_subflows_total 1 1
3536 mptcp_lib_kill_wait $tests_pid
3539 # userspace pm create destroy subflow
3540 if reset_with_events "userspace pm create destroy subflow" &&
3541 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3542 set_userspace_pm $ns2
3543 pm_nl_set_limits $ns1 0 1
3545 run_tests $ns1 $ns2 10.0.1.1 &
3548 userspace_pm_add_sf $ns2 10.0.3.2 20
3550 chk_mptcp_info subflows 1 subflows 1
3551 chk_subflows_total 2 2
3552 userspace_pm_chk_dump_addr "${ns2}" \
3553 "id 20 flags subflow 10.0.3.2" \
3555 userspace_pm_chk_get_addr "${ns2}" "20" "id 20 flags subflow 10.0.3.2"
3556 userspace_pm_rm_addr $ns2 20
3557 userspace_pm_rm_sf $ns2 10.0.3.2 $SUB_ESTABLISHED
3558 userspace_pm_chk_dump_addr "${ns2}" \
3562 chk_mptcp_info subflows 0 subflows 0
3563 chk_subflows_total 1 1
3565 mptcp_lib_kill_wait $tests_pid
3568 # userspace pm create id 0 subflow
3569 if reset_with_events "userspace pm create id 0 subflow" &&
3570 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3571 set_userspace_pm $ns2
3572 pm_nl_set_limits $ns1 0 1
3574 run_tests $ns1 $ns2 10.0.1.1 &
3577 chk_mptcp_info subflows 0 subflows 0
3578 chk_subflows_total 1 1
3579 userspace_pm_add_sf $ns2 10.0.3.2 0
3580 userspace_pm_chk_dump_addr "${ns2}" \
3581 "id 0 flags subflow 10.0.3.2" "id 0 subflow"
3583 chk_mptcp_info subflows 1 subflows 1
3584 chk_subflows_total 2 2
3586 mptcp_lib_kill_wait $tests_pid
3589 # userspace pm remove initial subflow
3590 if reset_with_events "userspace pm remove initial subflow" &&
3591 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3592 set_userspace_pm $ns2
3593 pm_nl_set_limits $ns1 0 1
3595 run_tests $ns1 $ns2 10.0.1.1 &
3598 userspace_pm_add_sf $ns2 10.0.3.2 20
3600 chk_mptcp_info subflows 1 subflows 1
3601 chk_subflows_total 2 2
3602 userspace_pm_rm_sf $ns2 10.0.1.2
3603 # we don't look at the counter linked to the RM_ADDR but
3604 # to the one linked to the subflows that have been removed
3606 chk_rst_nr 0 0 invert
3607 chk_mptcp_info subflows 1 subflows 1
3608 chk_subflows_total 1 1
3610 mptcp_lib_kill_wait $tests_pid
3613 # userspace pm send RM_ADDR for ID 0
3614 if reset_with_events "userspace pm send RM_ADDR for ID 0" &&
3615 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3616 set_userspace_pm $ns1
3617 pm_nl_set_limits $ns2 1 1
3619 run_tests $ns1 $ns2 10.0.1.1 &
3622 userspace_pm_add_addr $ns1 10.0.2.1 10
3625 chk_mptcp_info subflows 1 subflows 1
3626 chk_subflows_total 2 2
3627 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3628 userspace_pm_rm_addr $ns1 0
3629 # we don't look at the counter linked to the subflows that
3630 # have been removed but to the one linked to the RM_ADDR
3631 chk_rm_nr 1 0 invert
3632 chk_rst_nr 0 0 invert
3633 chk_mptcp_info subflows 1 subflows 1
3634 chk_subflows_total 1 1
3636 mptcp_lib_kill_wait $tests_pid
3642 # subflow_rebuild_header is needed to support the implicit flag
3643 # userspace pm type prevents add_addr
3644 if reset "implicit EP" &&
3645 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3646 pm_nl_set_limits $ns1 2 2
3647 pm_nl_set_limits $ns2 2 2
3648 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3650 run_tests $ns1 $ns2 10.0.1.1 &
3654 pm_nl_check_endpoint "creation" \
3655 $ns2 10.0.2.2 id 1 flags implicit
3656 chk_mptcp_info subflows 1 subflows 1
3657 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3659 pm_nl_add_endpoint $ns2 10.0.2.2 id 33 2>/dev/null
3660 pm_nl_check_endpoint "ID change is prevented" \
3661 $ns2 10.0.2.2 id 1 flags implicit
3663 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3664 pm_nl_check_endpoint "modif is allowed" \
3665 $ns2 10.0.2.2 id 1 flags signal
3666 mptcp_lib_kill_wait $tests_pid
3669 if reset "delete and re-add" &&
3670 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3671 pm_nl_set_limits $ns1 1 1
3672 pm_nl_set_limits $ns2 1 1
3673 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3674 test_linkfail=4 speed=20 \
3675 run_tests $ns1 $ns2 10.0.1.1 &
3679 chk_subflow_nr "before delete" 2
3680 chk_mptcp_info subflows 1 subflows 1
3682 pm_nl_del_endpoint $ns2 2 10.0.2.2
3684 chk_subflow_nr "after delete" 1
3685 chk_mptcp_info subflows 0 subflows 0
3687 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3689 chk_subflow_nr "after re-add" 2
3690 chk_mptcp_info subflows 1 subflows 1
3691 mptcp_lib_kill_wait $tests_pid
3695 # [$1: error message]
3698 if [ -n "${1}" ]; then
3703 echo "mptcp_join usage:"
3706 for key in "${!all_tests[@]}"; do
3707 echo " -${key} ${all_tests[${key}]}"
3710 echo " -c capture pcap files"
3711 echo " -C enable data checksum"
3712 echo " -i use ip mptcp"
3715 echo "[test ids|names]"
3721 # Use a "simple" array to force an specific order we cannot have with an associative one
3724 e@subflows_error_tests
3725 s@signal_address_tests
3726 l@link_failure_tests
3727 t@add_addr_timeout_tests
3734 p@add_addr_ports_tests
3737 d@deny_join_id0_tests
3747 for subtests in "${all_tests_sorted[@]}"; do
3748 key="${subtests%@*}"
3749 value="${subtests#*@}"
3751 all_tests_args+="${key}"
3752 all_tests_names+=("${value}")
3753 all_tests[${key}]="${value}"
3757 while getopts "${all_tests_args}cCih" opt; do
3759 ["${all_tests_args}"])
3760 tests+=("${all_tests[${opt}]}")
3775 usage "Unknown option: -${opt}"
3780 shift $((OPTIND - 1))
3782 for arg in "${@}"; do
3783 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3784 only_tests_ids+=("${arg}")
3786 only_tests_names+=("${arg}")
3790 if [ ${#tests[@]} -eq 0 ]; then
3791 tests=("${all_tests_names[@]}")
3794 for subtests in "${tests[@]}"; do
3798 if [ ${ret} -ne 0 ]; then
3800 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3801 for i in $(get_failed_tests_ids); do
3802 echo -e "\t- ${i}: ${failed_tests[${i}]}"
3808 mptcp_lib_result_print_all_tap