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=$((timeout_poll * 2 + 1))
47 declare -a only_tests_ids
48 declare -a only_tests_names
49 declare -A failed_tests
54 # These var are used only in some tests, make sure they are not already set
64 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
65 # (ip6 && (ip6[74] & 0xf0) == 0x30)'"
66 CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
88 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
94 for netns in "$ns1" "$ns2"; do
95 ip netns add $netns || exit $ksft_skip
96 ip -net $netns link set lo up
97 ip netns exec $netns sysctl -q net.mptcp.enabled=1
98 ip netns exec $netns sysctl -q net.mptcp.pm_type=0 2>/dev/null || true
99 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
100 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
101 if [ $checksum -eq 1 ]; then
102 ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
107 validate_checksum=$checksum
116 for i in $(seq 1 4); do
117 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
118 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
119 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
120 ip -net "$ns1" link set ns1eth$i up
122 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
123 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
124 ip -net "$ns2" link set ns2eth$i up
126 # let $ns2 reach any $ns1 address from any interface
127 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
128 ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
135 for i in $(seq 1 4); do
136 tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
137 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
146 for netns in "$ns1" "$ns2"; do
148 rm -f /tmp/$netns.{nstat,out}
154 mptcp_lib_check_mptcp
155 mptcp_lib_check_kallsyms
157 if ! ip -Version &> /dev/null; then
158 echo "SKIP: Could not run test without ip tool"
162 # Use the legacy version if available to support old kernel versions
163 if iptables-legacy -V &> /dev/null; then
164 iptables="iptables-legacy"
165 ip6tables="ip6tables-legacy"
166 elif ! iptables -V &> /dev/null; then
167 echo "SKIP: Could not run all tests without iptables tool"
169 elif ! ip6tables -V &> /dev/null; then
170 echo "SKIP: Could not run all tests without ip6tables tool"
190 make_file "$cin" "client" 1 >/dev/null
191 make_file "$sin" "server" 1 >/dev/null
196 rm -f "$cin" "$cout" "$sinfail"
197 rm -f "$sin" "$sout" "$cinsent" "$cinfail"
199 rm -rf $evts_ns1 $evts_ns2
205 printf "%03u %s\n" "${TEST_COUNT}" "${TEST_NAME}"
210 printf "%-${nr_blank}s%-36s" " " "${*}"
215 # It can be empty, no need to print anything then
216 [ -z "${1}" ] && return
218 mptcp_lib_print_info " Info: ${*}"
223 mptcp_lib_print_ok "[ ok ]${1:+ ${*}}"
228 mptcp_lib_print_err "[fail]${1:+ ${*}}"
233 mptcp_lib_print_warn "[skip]${1:+ ${*}}"
239 local msg="${1:-"Feature not supported"}"
241 mptcp_lib_fail_if_expected_feature "${msg}"
260 if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
265 for i in "${only_tests_ids[@]}"; do
266 if [ "${TEST_COUNT}" -eq "${i}" ]; then
270 for i in "${only_tests_names[@]}"; do
271 if [ "${TEST_NAME}" = "${i}" ]; then
279 append_prev_results()
281 if [ ${last_test_failed} -eq 1 ]; then
282 mptcp_lib_result_fail "${TEST_NAME}"
283 elif [ ${last_test_skipped} -eq 1 ]; then
284 mptcp_lib_result_skip "${TEST_NAME}"
285 elif [ ${last_test_ignored} -ne 1 ]; then
286 mptcp_lib_result_pass "${TEST_NAME}"
301 TEST_COUNT=$((TEST_COUNT+1))
310 if [ "${init}" != "1" ]; then
321 # $1: test name ; $2: counter to check
322 reset_check_counter()
324 reset "${1}" || return 1
328 if ! nstat -asz "${counter}" | grep -wq "${counter}"; then
329 mark_as_skipped "counter '${counter}' is not available"
337 reset "${1}" || return 1
340 for netns in "$ns1" "$ns2"; do
341 ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
346 reset_with_add_addr_timeout()
351 reset "${1}" || return 1
354 if [ $ip -eq 6 ]; then
355 tables="${ip6tables}"
358 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
360 if ! ip netns exec $ns2 $tables -A OUTPUT -p tcp \
361 -m tcp --tcp-option 30 \
363 "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
365 mark_as_skipped "unable to set the 'add addr' rule"
371 reset_with_checksum()
376 reset "checksum test ${1} ${2}" || return 1
378 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
379 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
384 reset_with_allow_join_id0()
389 reset "${1}" || return 1
391 ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
392 ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
395 # Modify TCP payload without corrupting the TCP packet
397 # This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
398 # carrying enough data.
399 # Once it is done, the TCP Checksum field is updated so the packet is still
400 # considered as valid at the TCP level.
401 # Because the MPTCP checksum, covering the TCP options and data, has not been
402 # updated, the modification will be detected and an MP_FAIL will be emitted:
403 # what we want to validate here without corrupting "random" MPTCP options.
405 # To avoid having tc producing this pr_info() message for each TCP ACK packets
406 # not carrying enough data:
408 # tc action pedit offset 162 out of bounds
410 # Netfilter is used to mark packets with enough data.
420 if [ $ip -eq 6 ]; then
421 tables="${ip6tables}"
424 ip netns exec $ns2 $tables \
429 -m length --length 150:9999 \
430 -m statistic --mode nth --packet 1 --every 99999 \
431 -j MARK --set-mark 42 || return ${ksft_skip}
433 tc -n $ns2 qdisc add dev ns2eth$i clsact || return ${ksft_skip}
434 tc -n $ns2 filter add dev ns2eth$i egress \
435 protocol ip prio 1000 \
437 action pedit munge offset 148 u8 invert \
439 index 100 || return ${ksft_skip}
444 reset_check_counter "${1}" "MPTcpExtInfiniteMapTx" || return 1
447 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
448 ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
451 setup_fail_rules "${@}" || rc=$?
453 if [ ${rc} -eq ${ksft_skip} ]; then
454 mark_as_skipped "unable to set the 'fail' rules"
461 reset "${1}" || return 1
465 ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
467 ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
471 reset_with_tcp_filter()
473 reset "${1}" || return 1
480 if ! ip netns exec "${ns}" ${iptables} \
485 mark_as_skipped "unable to set the filter rules"
497 # just in case a test is marked twice as failed
498 if [ ${last_test_failed} -eq 0 ]; then
499 failed_tests[${TEST_COUNT}]="${TEST_NAME}"
505 get_failed_tests_ids()
509 for i in "${!failed_tests[@]}"; do
517 echo -n "Trailing bytes are: "
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):"
552 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
597 wait_local_port_listen()
599 local listener_ns="${1}"
603 port_hex="$(printf "%04X" "${port}")"
606 for i in $(seq 10); do
607 ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
608 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
614 # $1: ns ; $2: counter
621 count=$(ip netns exec ${ns} nstat -asz "${counter}" | awk 'NR==1 {next} {print $2}')
622 if [ -z "${count}" ]; then
623 mptcp_lib_fail_if_expected_feature "${counter} counter"
632 get_counter "${1}" "MPTcpExtRmAddr"
635 # $1: ns, $2: old rm_addr counter in $ns
643 for i in $(seq 10); do
644 cnt=$(rm_addr_count ${ns})
645 [ "$cnt" = "${old_cnt}" ] || break
652 get_counter "${1}" "MPTcpExtRmSubflow"
655 # $1: ns, $2: old rm_sf counter in $ns
663 for i in $(seq 10); do
664 cnt=$(rm_sf_count ${ns})
665 [ "$cnt" = "${old_cnt}" ] || break
675 old_cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
678 for i in $(seq 10); do
679 cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
680 [ "$cnt" = "${old_cnt}" ] || break
687 kill $1 > /dev/null 2>&1
693 kill_wait $evts_ns1_pid
694 kill_wait $evts_ns2_pid
699 #shellcheck disable=SC2046
700 kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1)
710 if [ $ip_mptcp -eq 1 ]; then
711 ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
713 ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
730 if [ $p = "flags" ]; then
732 [ -n "$_flags" ]; flags="flags $_flags"
734 if [ $p = "dev" ]; then
736 [ -n "$_dev" ]; dev="dev $_dev"
738 if [ $p = "id" ]; then
740 [ -n "$_id" ]; id="id $_id"
742 if [ $p = "port" ]; then
744 [ -n "$_port" ]; port="port $_port"
750 if [ $ip_mptcp -eq 1 ]; then
751 ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
753 ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
763 if [ $ip_mptcp -eq 1 ]; then
764 ip -n $ns mptcp endpoint delete id $id $addr
766 ip netns exec $ns ./pm_nl_ctl del $id $addr
770 pm_nl_flush_endpoint()
774 if [ $ip_mptcp -eq 1 ]; then
775 ip -n $ns mptcp endpoint flush
777 ip netns exec $ns ./pm_nl_ctl flush
781 pm_nl_show_endpoints()
785 if [ $ip_mptcp -eq 1 ]; then
786 ip -n $ns mptcp endpoint show
788 ip netns exec $ns ./pm_nl_ctl dump
792 pm_nl_change_endpoint()
798 if [ $ip_mptcp -eq 1 ]; then
799 ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
801 ip netns exec $ns ./pm_nl_ctl set id $id flags $flags
805 pm_nl_check_endpoint()
807 local line expected_line
822 while [ -n "$1" ]; do
823 if [ $1 = "flags" ]; then
825 [ -n "$_flags" ]; flags="flags $_flags"
827 elif [ $1 = "dev" ]; then
828 [ -n "$2" ]; dev="dev $1"
830 elif [ $1 = "id" ]; then
832 [ -n "$_id" ]; id="id $_id"
834 elif [ $1 = "port" ]; then
836 [ -n "$_port" ]; port=" port $_port"
843 if [ -z "$id" ]; then
844 test_fail "bad test - missing endpoint id"
848 if [ $ip_mptcp -eq 1 ]; then
849 line=$(ip -n $ns mptcp endpoint show $id)
850 # the dump order is: address id flags port dev
851 expected_line="$addr"
852 [ -n "$addr" ] && expected_line="$expected_line $addr"
853 expected_line="$expected_line $id"
854 [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
855 [ -n "$dev" ] && expected_line="$expected_line $dev"
856 [ -n "$port" ] && expected_line="$expected_line $port"
858 line=$(ip netns exec $ns ./pm_nl_ctl get $_id)
859 # the dump order is: id flags dev address port
861 [ -n "$flags" ] && expected_line="$expected_line $flags"
862 [ -n "$dev" ] && expected_line="$expected_line $dev"
863 [ -n "$addr" ] && expected_line="$expected_line $addr"
864 [ -n "$_port" ] && expected_line="$expected_line $_port"
866 if [ "$line" = "$expected_line" ]; then
869 fail_test "expected '$expected_line' found '$line'"
875 local listener_ns="$1"
876 local connector_ns="$2"
877 local connect_addr="$3"
879 local addr_nr_ns1=${addr_nr_ns1:-0}
880 local addr_nr_ns2=${addr_nr_ns2:-0}
881 local sflags=${sflags:-""}
882 local fullmesh=${fullmesh:-""}
884 local flags="subflow"
885 if [ -n "${fullmesh}" ]; then
886 flags="${flags},fullmesh"
887 addr_nr_ns2=${fullmesh}
890 # let the mptcp subflow be established in background before
891 # do endpoint manipulation
892 if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
896 if [ $addr_nr_ns1 -gt 0 ]; then
898 local add_nr_ns1=${addr_nr_ns1}
900 while [ $add_nr_ns1 -gt 0 ]; do
902 if is_v6 "${connect_addr}"; then
903 addr="dead:beef:$counter::1"
905 addr="10.0.$counter.1"
907 pm_nl_add_endpoint $ns1 $addr flags signal
908 counter=$((counter + 1))
909 add_nr_ns1=$((add_nr_ns1 - 1))
912 elif [ $addr_nr_ns1 -lt 0 ]; then
913 local rm_nr_ns1=$((-addr_nr_ns1))
914 if [ $rm_nr_ns1 -lt 8 ]; then
917 pm_nl_show_endpoints ${listener_ns} | while read -r line; do
918 # shellcheck disable=SC2206 # we do want to split per word
923 for i in "${arr[@]}"; do
924 if [ $i = "id" ]; then
925 if [ $counter -eq $rm_nr_ns1 ]; then
929 rm_addr=$(rm_addr_count ${connector_ns})
930 pm_nl_del_endpoint ${listener_ns} $id
931 wait_rm_addr ${connector_ns} ${rm_addr}
932 counter=$((counter + 1))
937 elif [ $rm_nr_ns1 -eq 8 ]; then
938 pm_nl_flush_endpoint ${listener_ns}
939 elif [ $rm_nr_ns1 -eq 9 ]; then
940 pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
944 # if newly added endpoints must be deleted, give the background msk
945 # some time to created them
946 [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
948 if [ $addr_nr_ns2 -gt 0 ]; then
949 local add_nr_ns2=${addr_nr_ns2}
952 while [ $add_nr_ns2 -gt 0 ]; do
954 if is_v6 "${connect_addr}"; then
955 addr="dead:beef:$counter::2"
957 addr="10.0.$counter.2"
959 pm_nl_add_endpoint $ns2 $addr flags $flags
960 counter=$((counter + 1))
961 add_nr_ns2=$((add_nr_ns2 - 1))
964 elif [ $addr_nr_ns2 -lt 0 ]; then
965 local rm_nr_ns2=$((-addr_nr_ns2))
966 if [ $rm_nr_ns2 -lt 8 ]; then
969 pm_nl_show_endpoints ${connector_ns} | while read -r line; do
970 # shellcheck disable=SC2206 # we do want to split per word
975 for i in "${arr[@]}"; do
976 if [ $i = "id" ]; then
977 if [ $counter -eq $rm_nr_ns2 ]; then
981 # rm_addr are serialized, allow the previous one to
984 rm_addr=$(rm_addr_count ${listener_ns})
985 pm_nl_del_endpoint ${connector_ns} $id
986 wait_rm_addr ${listener_ns} ${rm_addr}
987 counter=$((counter + 1))
992 elif [ $rm_nr_ns2 -eq 8 ]; then
993 pm_nl_flush_endpoint ${connector_ns}
994 elif [ $rm_nr_ns2 -eq 9 ]; then
996 if is_v6 "${connect_addr}"; then
997 addr="dead:beef:1::2"
1001 pm_nl_del_endpoint ${connector_ns} 0 $addr
1005 if [ -n "${sflags}" ]; then
1009 for netns in "$ns1" "$ns2"; do
1011 pm_nl_show_endpoints $netns | while read -r line; do
1012 # shellcheck disable=SC2206 # we do want to split per word
1018 for i in "${arr[@]}"; do
1019 if [ $i = "id" ]; then
1024 pm_nl_change_endpoint $netns $id $sflags
1032 local listener_ns="$1"
1033 local connector_ns="$2"
1035 local srv_proto="$4"
1036 local connect_addr="$5"
1038 local port=$((10000 + TEST_COUNT - 1))
1040 local FAILING_LINKS=${FAILING_LINKS:-""}
1041 local fastclose=${fastclose:-""}
1042 local speed=${speed:-"fast"}
1048 if [ $capture -eq 1 ]; then
1050 if [ -z $SUDO_USER ] ; then
1053 capuser="-Z $SUDO_USER"
1056 capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
1058 echo "Capturing traffic for test $TEST_COUNT into $capfile"
1059 ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
1065 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1067 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1071 if [ $speed = "fast" ]; then
1073 elif [ $speed = "slow" ]; then
1075 elif [ $speed -gt 0 ]; then
1076 extra_args="-r ${speed}"
1079 local extra_cl_args=""
1080 local extra_srv_args=""
1082 if [ -n "${fastclose}" ]; then
1083 if [ ${test_linkfail} -le 1 ]; then
1084 fail_test "fastclose tests need test_linkfail argument"
1089 trunc_size=${test_linkfail}
1090 local side=${fastclose}
1092 if [ ${side} = "client" ]; then
1093 extra_cl_args="-f ${test_linkfail}"
1094 extra_srv_args="-f -1"
1095 elif [ ${side} = "server" ]; then
1096 extra_srv_args="-f ${test_linkfail}"
1097 extra_cl_args="-f -1"
1099 fail_test "wrong/unknown fastclose spec ${side}"
1104 extra_srv_args="$extra_args $extra_srv_args"
1105 if [ "$test_linkfail" -gt 1 ];then
1106 timeout ${timeout_test} \
1107 ip netns exec ${listener_ns} \
1108 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1109 $extra_srv_args "::" < "$sinfail" > "$sout" &
1111 timeout ${timeout_test} \
1112 ip netns exec ${listener_ns} \
1113 ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
1114 $extra_srv_args "::" < "$sin" > "$sout" &
1118 wait_local_port_listen "${listener_ns}" "${port}"
1120 extra_cl_args="$extra_args $extra_cl_args"
1121 if [ "$test_linkfail" -eq 0 ];then
1122 timeout ${timeout_test} \
1123 ip netns exec ${connector_ns} \
1124 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1125 $extra_cl_args $connect_addr < "$cin" > "$cout" &
1126 elif [ "$test_linkfail" -eq 1 ] || [ "$test_linkfail" -eq 2 ];then
1127 ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
1129 timeout ${timeout_test} \
1130 ip netns exec ${connector_ns} \
1131 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1132 $extra_cl_args $connect_addr > "$cout" &
1134 tee "$cinsent" < "$cinfail" | \
1135 timeout ${timeout_test} \
1136 ip netns exec ${connector_ns} \
1137 ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
1138 $extra_cl_args $connect_addr > "$cout" &
1142 pm_nl_set_endpoint $listener_ns $connector_ns $connect_addr
1149 if [ $capture -eq 1 ]; then
1154 NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
1155 nstat | grep Tcp > /tmp/${listener_ns}.out
1156 NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
1157 nstat | grep Tcp > /tmp/${connector_ns}.out
1159 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
1160 fail_test "client exit code $retc, server $rets"
1161 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
1162 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
1163 cat /tmp/${listener_ns}.out
1164 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
1165 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
1166 cat /tmp/${connector_ns}.out
1172 if [ "$test_linkfail" -gt 1 ];then
1173 check_transfer $sinfail $cout "file received by client" $trunc_size
1175 check_transfer $sin $cout "file received by client" $trunc_size
1178 if [ "$test_linkfail" -eq 0 ];then
1179 check_transfer $cin $sout "file received by server" $trunc_size
1181 check_transfer $cinsent $sout "file received by server" $trunc_size
1185 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
1200 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
1201 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
1203 print_info "Test file (size $size KB) for $who"
1208 local listener_ns="$1"
1209 local connector_ns="$2"
1210 local connect_addr="$3"
1213 local test_linkfail=${test_linkfail:-0}
1215 # The values above 2 are reused to make test files
1216 # with the given sizes (KB)
1217 if [ "$test_linkfail" -gt 2 ]; then
1220 if [ -z "$cinfail" ]; then
1223 make_file "$cinfail" "client" $size
1224 # create the input file for the failure test when
1225 # the first failure test run
1226 elif [ "$test_linkfail" -ne 0 ] && [ -z "$cinfail" ]; then
1227 # the client file must be considerably larger
1228 # of the maximum expected cwin value, or the
1229 # link utilization will be not predicable
1233 size=$((size + ( RANDOM % 8192) ))
1236 make_file "$cinfail" "client" $size
1239 if [ "$test_linkfail" -gt 2 ]; then
1242 if [ -z "$sinfail" ]; then
1245 make_file "$sinfail" "server" $size
1246 elif [ "$test_linkfail" -eq 2 ] && [ -z "$sinfail" ]; then
1252 make_file "$sinfail" "server" $size
1255 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
1260 echo Server ns stats
1261 ip netns exec $ns1 nstat -as | grep Tcp
1262 echo Client ns stats
1263 ip netns exec $ns2 nstat -as | grep Tcp
1268 local csum_ns1=${1:-0}
1269 local csum_ns2=${2:-0}
1272 local allow_multi_errors_ns1=0
1273 local allow_multi_errors_ns2=0
1275 if [[ "${csum_ns1}" = "+"* ]]; then
1276 allow_multi_errors_ns1=1
1277 csum_ns1=${csum_ns1:1}
1279 if [[ "${csum_ns2}" = "+"* ]]; then
1280 allow_multi_errors_ns2=1
1281 csum_ns2=${csum_ns2:1}
1285 count=$(get_counter ${ns1} "MPTcpExtDataCsumErr")
1286 if [ "$count" != "$csum_ns1" ]; then
1287 extra_msg="$extra_msg ns1=$count"
1289 if [ -z "$count" ]; then
1291 elif { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
1292 { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
1293 fail_test "got $count data checksum error[s] expected $csum_ns1"
1298 count=$(get_counter ${ns2} "MPTcpExtDataCsumErr")
1299 if [ "$count" != "$csum_ns2" ]; then
1300 extra_msg="$extra_msg ns2=$count"
1302 if [ -z "$count" ]; then
1304 elif { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
1305 { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
1306 fail_test "got $count data checksum error[s] expected $csum_ns2"
1311 print_info "$extra_msg"
1318 local ns_invert=${3:-""}
1323 local allow_tx_lost=0
1324 local allow_rx_lost=0
1326 if [[ $ns_invert = "invert" ]]; then
1332 if [[ "${fail_tx}" = "-"* ]]; then
1334 fail_tx=${fail_tx:1}
1336 if [[ "${fail_rx}" = "-"* ]]; then
1338 fail_rx=${fail_rx:1}
1342 count=$(get_counter ${ns_tx} "MPTcpExtMPFailTx")
1343 if [ "$count" != "$fail_tx" ]; then
1344 extra_msg="$extra_msg,tx=$count"
1346 if [ -z "$count" ]; then
1348 elif { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
1349 { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
1350 fail_test "got $count MP_FAIL[s] TX expected $fail_tx"
1355 print_check "failrx"
1356 count=$(get_counter ${ns_rx} "MPTcpExtMPFailRx")
1357 if [ "$count" != "$fail_rx" ]; then
1358 extra_msg="$extra_msg,rx=$count"
1360 if [ -z "$count" ]; then
1362 elif { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
1363 { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
1364 fail_test "got $count MP_FAIL[s] RX expected $fail_rx"
1369 print_info "$extra_msg"
1382 if [[ $ns_invert = "invert" ]]; then
1389 count=$(get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
1390 if [ -z "$count" ]; then
1392 elif [ "$count" != "$fclose_tx" ]; then
1393 extra_msg="$extra_msg,tx=$count"
1394 fail_test "got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
1399 print_check "fclzrx"
1400 count=$(get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
1401 if [ -z "$count" ]; then
1403 elif [ "$count" != "$fclose_rx" ]; then
1404 extra_msg="$extra_msg,rx=$count"
1405 fail_test "got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
1410 print_info "$extra_msg"
1417 local ns_invert=${3:-""}
1423 if [[ $ns_invert = "invert" ]]; then
1430 count=$(get_counter ${ns_tx} "MPTcpExtMPRstTx")
1431 if [ -z "$count" ]; then
1433 elif [ $count -lt $rst_tx ]; then
1434 fail_test "got $count MP_RST[s] TX expected $rst_tx"
1440 count=$(get_counter ${ns_rx} "MPTcpExtMPRstRx")
1441 if [ -z "$count" ]; then
1443 elif [ "$count" -lt "$rst_rx" ]; then
1444 fail_test "got $count MP_RST[s] RX expected $rst_rx"
1449 print_info "$extra_msg"
1459 count=$(get_counter ${ns2} "MPTcpExtInfiniteMapTx")
1460 if [ -z "$count" ]; then
1462 elif [ "$count" != "$infi_tx" ]; then
1463 fail_test "got $count infinite map[s] TX expected $infi_tx"
1468 print_check "infirx"
1469 count=$(get_counter ${ns1} "MPTcpExtInfiniteMapRx")
1470 if [ -z "$count" ]; then
1472 elif [ "$count" != "$infi_rx" ]; then
1473 fail_test "got $count infinite map[s] RX expected $infi_rx"
1484 local csum_ns1=${4:-0}
1485 local csum_ns2=${5:-0}
1486 local fail_nr=${6:-0}
1487 local rst_nr=${7:-0}
1488 local infi_nr=${8:-0}
1489 local corrupted_pkts=${9:-0}
1493 if [ "${corrupted_pkts}" -gt 0 ]; then
1494 print_info "${corrupted_pkts} corrupted pkts"
1498 count=$(get_counter ${ns1} "MPTcpExtMPJoinSynRx")
1499 if [ -z "$count" ]; then
1501 elif [ "$count" != "$syn_nr" ]; then
1502 fail_test "got $count JOIN[s] syn expected $syn_nr"
1507 print_check "synack"
1508 with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
1509 count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
1510 if [ -z "$count" ]; then
1512 elif [ "$count" != "$syn_ack_nr" ]; then
1513 # simult connections exceeding the limit with cookie enabled could go up to
1514 # synack validation as the conn limit can be enforced reliably only after
1515 # the subflow creation
1516 if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then
1519 fail_test "got $count JOIN[s] synack expected $syn_ack_nr"
1526 count=$(get_counter ${ns1} "MPTcpExtMPJoinAckRx")
1527 if [ -z "$count" ]; then
1529 elif [ "$count" != "$ack_nr" ]; then
1530 fail_test "got $count JOIN[s] ack expected $ack_nr"
1534 if [ $validate_checksum -eq 1 ]; then
1535 chk_csum_nr $csum_ns1 $csum_ns2
1536 chk_fail_nr $fail_nr $fail_nr
1537 chk_rst_nr $rst_nr $rst_nr
1538 chk_infi_nr $infi_nr $infi_nr
1542 # a negative value for 'stale_max' means no upper bound:
1543 # for bidirectional transfer, if one peer sleep for a while
1544 # - as these tests do - we can have a quite high number of
1545 # stale/recover conversions, proportional to
1546 # sleep duration/ MPTCP-level RTX interval.
1552 local stale_delta=$4
1559 stale_nr=$(get_counter ${ns} "MPTcpExtSubflowStale")
1560 recover_nr=$(get_counter ${ns} "MPTcpExtSubflowRecover")
1561 if [ -z "$stale_nr" ] || [ -z "$recover_nr" ]; then
1563 elif [ $stale_nr -lt $stale_min ] ||
1564 { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
1565 [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
1566 fail_test "got $stale_nr stale[s] $recover_nr recover[s], " \
1567 " expected stale in range [$stale_min..$stale_max]," \
1568 " stale-recover delta $stale_delta"
1574 if [ "${dump_stats}" = 1 ]; then
1576 ip netns exec $ns ip -s link show
1577 ip netns exec $ns nstat -as | grep MPTcp
1585 local port_nr=${3:-0}
1586 local syn_nr=${4:-$port_nr}
1587 local syn_ack_nr=${5:-$port_nr}
1588 local ack_nr=${6:-$port_nr}
1589 local mis_syn_nr=${7:-0}
1590 local mis_ack_nr=${8:-0}
1594 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1597 count=$(get_counter ${ns2} "MPTcpExtAddAddr")
1598 if [ -z "$count" ]; then
1600 # if the test configured a short timeout tolerate greater then expected
1601 # add addrs options, due to retransmissions
1602 elif [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
1603 fail_test "got $count ADD_ADDR[s] expected $add_nr"
1609 count=$(get_counter ${ns1} "MPTcpExtEchoAdd")
1610 if [ -z "$count" ]; then
1612 elif [ "$count" != "$echo_nr" ]; then
1613 fail_test "got $count ADD_ADDR echo[s] expected $echo_nr"
1618 if [ $port_nr -gt 0 ]; then
1620 count=$(get_counter ${ns2} "MPTcpExtPortAdd")
1621 if [ -z "$count" ]; then
1623 elif [ "$count" != "$port_nr" ]; then
1624 fail_test "got $count ADD_ADDR[s] with a port-number expected $port_nr"
1630 count=$(get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
1631 if [ -z "$count" ]; then
1633 elif [ "$count" != "$syn_nr" ]; then
1634 fail_test "got $count JOIN[s] syn with a different \
1635 port-number expected $syn_nr"
1640 print_check "synack"
1641 count=$(get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
1642 if [ -z "$count" ]; then
1644 elif [ "$count" != "$syn_ack_nr" ]; then
1645 fail_test "got $count JOIN[s] synack with a different \
1646 port-number expected $syn_ack_nr"
1652 count=$(get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
1653 if [ -z "$count" ]; then
1655 elif [ "$count" != "$ack_nr" ]; then
1656 fail_test "got $count JOIN[s] ack with a different \
1657 port-number expected $ack_nr"
1663 count=$(get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
1664 if [ -z "$count" ]; then
1666 elif [ "$count" != "$mis_syn_nr" ]; then
1667 fail_test "got $count JOIN[s] syn with a mismatched \
1668 port-number expected $mis_syn_nr"
1674 count=$(get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
1675 if [ -z "$count" ]; then
1677 elif [ "$count" != "$mis_ack_nr" ]; then
1678 fail_test "got $count JOIN[s] ack with a mismatched \
1679 port-number expected $mis_ack_nr"
1693 timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
1695 print_check "add TX"
1696 count=$(get_counter ${ns1} "MPTcpExtAddAddrTx")
1697 if [ -z "$count" ]; then
1699 # if the test configured a short timeout tolerate greater then expected
1700 # add addrs options, due to retransmissions
1701 elif [ "$count" != "$add_tx_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
1702 fail_test "got $count ADD_ADDR[s] TX, expected $add_tx_nr"
1707 print_check "echo TX"
1708 count=$(get_counter ${ns2} "MPTcpExtEchoAddTx")
1709 if [ -z "$count" ]; then
1711 elif [ "$count" != "$echo_tx_nr" ]; then
1712 fail_test "got $count ADD_ADDR echo[s] TX, expected $echo_tx_nr"
1721 local rm_subflow_nr=$2
1726 local subflow_ns=$ns2
1730 while [ -n "$1" ]; do
1731 [ "$1" = "invert" ] && invert=true
1732 [ "$1" = "simult" ] && simult=true
1736 if [ -z $invert ]; then
1739 elif [ $invert = "true" ]; then
1746 count=$(get_counter ${addr_ns} "MPTcpExtRmAddr")
1747 if [ -z "$count" ]; then
1749 elif [ "$count" != "$rm_addr_nr" ]; then
1750 fail_test "got $count RM_ADDR[s] expected $rm_addr_nr"
1756 count=$(get_counter ${subflow_ns} "MPTcpExtRmSubflow")
1757 if [ -z "$count" ]; then
1759 elif [ -n "$simult" ]; then
1762 cnt=$(get_counter ${addr_ns} "MPTcpExtRmSubflow")
1764 # in case of simult flush, the subflow removal count on each side is
1766 count=$((count + cnt))
1767 [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1768 if [ $count -ge "$rm_subflow_nr" ] && \
1769 [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
1772 fail_test "got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
1774 elif [ "$count" != "$rm_subflow_nr" ]; then
1775 fail_test "got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
1780 print_info "$extra_msg"
1785 local rm_addr_tx_nr=$1
1788 count=$(get_counter ${ns2} "MPTcpExtRmAddrTx")
1789 if [ -z "$count" ]; then
1791 elif [ "$count" != "$rm_addr_tx_nr" ]; then
1792 fail_test "got $count RM_ADDR[s] expected $rm_addr_tx_nr"
1800 local mp_prio_nr_tx=$1
1801 local mp_prio_nr_rx=$2
1805 count=$(get_counter ${ns1} "MPTcpExtMPPrioTx")
1806 if [ -z "$count" ]; then
1808 elif [ "$count" != "$mp_prio_nr_tx" ]; then
1809 fail_test "got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
1815 count=$(get_counter ${ns1} "MPTcpExtMPPrioRx")
1816 if [ -z "$count" ]; then
1818 elif [ "$count" != "$mp_prio_nr_rx" ]; then
1819 fail_test "got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
1833 print_check "${msg}"
1835 cnt1=$(ss -N $ns1 -tOni | grep -c token)
1836 cnt2=$(ss -N $ns2 -tOni | grep -c token)
1837 if [ "$cnt1" != "$subflow_nr" ] || [ "$cnt2" != "$subflow_nr" ]; then
1838 fail_test "got $cnt1:$cnt2 subflows expected $subflow_nr"
1844 if [ "${dump_stats}" = 1 ]; then
1846 ss -N $ns1 -tOni | grep token
1847 ip -n $ns1 mptcp endpoint
1861 print_check "mptcp_info ${info1:0:8}=$exp1:$exp2"
1863 cnt1=$(ss -N $ns1 -inmHM | grep "$info1:" |
1864 sed -n 's/.*\('"$info1"':\)\([[:digit:]]*\).*$/\2/p;q')
1865 cnt2=$(ss -N $ns2 -inmHM | grep "$info2:" |
1866 sed -n 's/.*\('"$info2"':\)\([[:digit:]]*\).*$/\2/p;q')
1867 # 'ss' only display active connections and counters that are not 0.
1868 [ -z "$cnt1" ] && cnt1=0
1869 [ -z "$cnt2" ] && cnt2=0
1871 if [ "$cnt1" != "$exp1" ] || [ "$cnt2" != "$exp2" ]; then
1872 fail_test "got $cnt1:$cnt2 $info1:$info2 expected $exp1:$exp2"
1878 if [ "$dump_stats" = 1 ]; then
1889 local expected_rate=$4
1891 local tx_link tx_total
1892 tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
1893 tx_total=$(stat --format=%s $out)
1894 local tx_rate=$((tx_link * 100 / tx_total))
1897 print_check "link usage"
1898 if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
1899 [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
1900 fail_test "got $tx_rate% usage, expected $expected_rate%"
1908 local timeout_ms=$((timeout_poll * 1000))
1912 while [ $time -lt $timeout_ms ]; do
1915 cnt=$(get_counter ${ns} "TcpAttemptFails")
1917 [ "$cnt" = 1 ] && return 1
1918 time=$((time + 100))
1928 ip netns exec $ns sysctl -q net.mptcp.pm_type=1
1933 if reset "no JOIN"; then
1934 run_tests $ns1 $ns2 10.0.1.1
1938 # subflow limited by client
1939 if reset "single subflow, limited by client"; then
1940 pm_nl_set_limits $ns1 0 0
1941 pm_nl_set_limits $ns2 0 0
1942 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1943 run_tests $ns1 $ns2 10.0.1.1
1947 # subflow limited by server
1948 if reset "single subflow, limited by server"; then
1949 pm_nl_set_limits $ns1 0 0
1950 pm_nl_set_limits $ns2 0 1
1951 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1952 run_tests $ns1 $ns2 10.0.1.1
1957 if reset "single subflow"; then
1958 pm_nl_set_limits $ns1 0 1
1959 pm_nl_set_limits $ns2 0 1
1960 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1961 run_tests $ns1 $ns2 10.0.1.1
1966 if reset "multiple subflows"; then
1967 pm_nl_set_limits $ns1 0 2
1968 pm_nl_set_limits $ns2 0 2
1969 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1970 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1971 run_tests $ns1 $ns2 10.0.1.1
1975 # multiple subflows limited by server
1976 if reset "multiple subflows, limited by server"; then
1977 pm_nl_set_limits $ns1 0 1
1978 pm_nl_set_limits $ns2 0 2
1979 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
1980 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
1981 run_tests $ns1 $ns2 10.0.1.1
1985 # single subflow, dev
1986 if reset "single subflow, dev"; then
1987 pm_nl_set_limits $ns1 0 1
1988 pm_nl_set_limits $ns2 0 1
1989 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
1990 run_tests $ns1 $ns2 10.0.1.1
1995 subflows_error_tests()
1997 # If a single subflow is configured, and matches the MPC src
1998 # address, no additional subflow should be created
1999 if reset "no MPC reuse with single endpoint"; then
2000 pm_nl_set_limits $ns1 0 1
2001 pm_nl_set_limits $ns2 0 1
2002 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2004 run_tests $ns1 $ns2 10.0.1.1
2008 # multiple subflows, with subflow creation error
2009 if reset_with_tcp_filter "multi subflows, with failing subflow" ns1 10.0.3.2 REJECT &&
2010 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2011 pm_nl_set_limits $ns1 0 2
2012 pm_nl_set_limits $ns2 0 2
2013 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2014 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2016 run_tests $ns1 $ns2 10.0.1.1
2020 # multiple subflows, with subflow timeout on MPJ
2021 if reset_with_tcp_filter "multi subflows, with subflow timeout" ns1 10.0.3.2 DROP &&
2022 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2023 pm_nl_set_limits $ns1 0 2
2024 pm_nl_set_limits $ns2 0 2
2025 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2026 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2028 run_tests $ns1 $ns2 10.0.1.1
2032 # multiple subflows, check that the endpoint corresponding to
2033 # closed subflow (due to reset) is not reused if additional
2034 # subflows are added later
2035 if reset_with_tcp_filter "multi subflows, fair usage on close" ns1 10.0.3.2 REJECT &&
2036 continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2037 pm_nl_set_limits $ns1 0 1
2038 pm_nl_set_limits $ns2 0 1
2039 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2041 run_tests $ns1 $ns2 10.0.1.1 &
2043 # mpj subflow will be in TW after the reset
2044 wait_attempt_fail $ns2
2045 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2048 # additional subflow could be created only if the PM select
2049 # the later endpoint, skipping the already used one
2054 signal_address_tests()
2056 # add_address, unused
2057 if reset "unused signal address"; then
2058 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2059 run_tests $ns1 $ns2 10.0.1.1
2065 # accept and use add_addr
2066 if reset "signal address"; then
2067 pm_nl_set_limits $ns1 0 1
2068 pm_nl_set_limits $ns2 1 1
2069 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2070 run_tests $ns1 $ns2 10.0.1.1
2075 # accept and use add_addr with an additional subflow
2076 # note: signal address in server ns and local addresses in client ns must
2077 # belong to different subnets or one of the listed local address could be
2078 # used for 'add_addr' subflow
2079 if reset "subflow and signal"; then
2080 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2081 pm_nl_set_limits $ns1 0 2
2082 pm_nl_set_limits $ns2 1 2
2083 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2084 run_tests $ns1 $ns2 10.0.1.1
2089 # accept and use add_addr with additional subflows
2090 if reset "multiple subflows and signal"; then
2091 pm_nl_set_limits $ns1 0 3
2092 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2093 pm_nl_set_limits $ns2 1 3
2094 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2095 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2096 run_tests $ns1 $ns2 10.0.1.1
2102 if reset "signal addresses"; then
2103 pm_nl_set_limits $ns1 3 3
2104 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2105 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2106 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2107 pm_nl_set_limits $ns2 3 3
2108 run_tests $ns1 $ns2 10.0.1.1
2113 # signal invalid addresses
2114 if reset "signal invalid addresses"; then
2115 pm_nl_set_limits $ns1 3 3
2116 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2117 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2118 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2119 pm_nl_set_limits $ns2 3 3
2120 run_tests $ns1 $ns2 10.0.1.1
2125 # signal addresses race test
2126 if reset "signal addresses race test"; then
2127 pm_nl_set_limits $ns1 4 4
2128 pm_nl_set_limits $ns2 4 4
2129 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2130 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2131 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2132 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2133 pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
2134 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
2135 pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
2136 pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
2138 # the peer could possibly miss some addr notification, allow retransmission
2139 ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
2141 run_tests $ns1 $ns2 10.0.1.1
2143 # It is not directly linked to the commit introducing this
2144 # symbol but for the parent one which is linked anyway.
2145 if ! mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
2150 # the server will not signal the address terminating
2157 link_failure_tests()
2159 # accept and use add_addr with additional subflows and link loss
2160 if reset "multiple flows, signal, link failure"; then
2161 # without any b/w limit each veth could spool the packets and get
2162 # them acked at xmit time, so that the corresponding subflow will
2163 # have almost always no outstanding pkts, the scheduler will pick
2164 # always the first subflow and we will have hard time testing
2165 # active backup and link switch-over.
2166 # Let's set some arbitrary (low) virtual link limits.
2168 pm_nl_set_limits $ns1 0 3
2169 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2170 pm_nl_set_limits $ns2 1 3
2171 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2172 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2174 run_tests $ns1 $ns2 10.0.1.1
2177 chk_stale_nr $ns2 1 5 1
2180 # accept and use add_addr with additional subflows and link loss
2181 # for bidirectional transfer
2182 if reset "multi flows, signal, bidi, link fail"; then
2184 pm_nl_set_limits $ns1 0 3
2185 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2186 pm_nl_set_limits $ns2 1 3
2187 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
2188 pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
2190 run_tests $ns1 $ns2 10.0.1.1
2193 chk_stale_nr $ns2 1 -1 1
2196 # 2 subflows plus 1 backup subflow with a lossy link, backup
2197 # will never be used
2198 if reset "backup subflow unused, link failure"; then
2200 pm_nl_set_limits $ns1 0 2
2201 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2202 pm_nl_set_limits $ns2 1 2
2203 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2204 FAILING_LINKS="1" test_linkfail=1 \
2205 run_tests $ns1 $ns2 10.0.1.1
2208 chk_link_usage $ns2 ns2eth3 $cinsent 0
2211 # 2 lossy links after half transfer, backup will get half of
2213 if reset "backup flow used, multi links fail"; then
2215 pm_nl_set_limits $ns1 0 2
2216 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2217 pm_nl_set_limits $ns2 1 2
2218 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2219 FAILING_LINKS="1 2" test_linkfail=1 \
2220 run_tests $ns1 $ns2 10.0.1.1
2223 chk_stale_nr $ns2 2 4 2
2224 chk_link_usage $ns2 ns2eth3 $cinsent 50
2227 # use a backup subflow with the first subflow on a lossy link
2228 # for bidirectional transfer
2229 if reset "backup flow used, bidi, link failure"; then
2231 pm_nl_set_limits $ns1 0 2
2232 pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
2233 pm_nl_set_limits $ns2 1 3
2234 pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
2235 FAILING_LINKS="1 2" test_linkfail=2 \
2236 run_tests $ns1 $ns2 10.0.1.1
2239 chk_stale_nr $ns2 1 -1 2
2240 chk_link_usage $ns2 ns2eth3 $cinsent 50
2244 add_addr_timeout_tests()
2247 if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
2248 pm_nl_set_limits $ns1 0 1
2249 pm_nl_set_limits $ns2 1 1
2250 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2252 run_tests $ns1 $ns2 10.0.1.1
2258 # add_addr timeout IPv6
2259 if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
2260 pm_nl_set_limits $ns1 0 1
2261 pm_nl_set_limits $ns2 1 1
2262 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2264 run_tests $ns1 $ns2 dead:beef:1::1
2269 # signal addresses timeout
2270 if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
2271 pm_nl_set_limits $ns1 2 2
2272 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2273 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2274 pm_nl_set_limits $ns2 2 2
2276 run_tests $ns1 $ns2 10.0.1.1
2281 # signal invalid addresses timeout
2282 if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
2283 pm_nl_set_limits $ns1 2 2
2284 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2285 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2286 pm_nl_set_limits $ns2 2 2
2288 run_tests $ns1 $ns2 10.0.1.1
2296 # single subflow, remove
2297 if reset "remove single subflow"; then
2298 pm_nl_set_limits $ns1 0 1
2299 pm_nl_set_limits $ns2 0 1
2300 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2301 addr_nr_ns2=-1 speed=slow \
2302 run_tests $ns1 $ns2 10.0.1.1
2308 # multiple subflows, remove
2309 if reset "remove multiple subflows"; then
2310 pm_nl_set_limits $ns1 0 2
2311 pm_nl_set_limits $ns2 0 2
2312 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2313 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2314 addr_nr_ns2=-2 speed=slow \
2315 run_tests $ns1 $ns2 10.0.1.1
2320 # single address, remove
2321 if reset "remove single address"; then
2322 pm_nl_set_limits $ns1 0 1
2323 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2324 pm_nl_set_limits $ns2 1 1
2325 addr_nr_ns1=-1 speed=slow \
2326 run_tests $ns1 $ns2 10.0.1.1
2329 chk_rm_nr 1 1 invert
2332 # subflow and signal, remove
2333 if reset "remove subflow and signal"; then
2334 pm_nl_set_limits $ns1 0 2
2335 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2336 pm_nl_set_limits $ns2 1 2
2337 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2338 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2339 run_tests $ns1 $ns2 10.0.1.1
2345 # subflows and signal, remove
2346 if reset "remove subflows and signal"; then
2347 pm_nl_set_limits $ns1 0 3
2348 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2349 pm_nl_set_limits $ns2 1 3
2350 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2351 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2352 addr_nr_ns1=-1 addr_nr_ns2=-2 speed=10 \
2353 run_tests $ns1 $ns2 10.0.1.1
2360 if reset "remove addresses"; then
2361 pm_nl_set_limits $ns1 3 3
2362 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2363 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2364 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2365 pm_nl_set_limits $ns2 3 3
2366 addr_nr_ns1=-3 speed=10 \
2367 run_tests $ns1 $ns2 10.0.1.1
2370 chk_rm_nr 3 3 invert
2373 # invalid addresses remove
2374 if reset "remove invalid addresses"; then
2375 pm_nl_set_limits $ns1 3 3
2376 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2377 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2378 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2379 pm_nl_set_limits $ns2 3 3
2380 addr_nr_ns1=-3 speed=10 \
2381 run_tests $ns1 $ns2 10.0.1.1
2384 chk_rm_nr 3 1 invert
2387 # subflows and signal, flush
2388 if reset "flush subflows and signal"; then
2389 pm_nl_set_limits $ns1 0 3
2390 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2391 pm_nl_set_limits $ns2 1 3
2392 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2393 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2394 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2395 run_tests $ns1 $ns2 10.0.1.1
2398 chk_rm_nr 1 3 invert simult
2402 if reset "flush subflows"; then
2403 pm_nl_set_limits $ns1 3 3
2404 pm_nl_set_limits $ns2 3 3
2405 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
2406 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2407 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2408 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2409 run_tests $ns1 $ns2 10.0.1.1
2412 if mptcp_lib_kversion_ge 5.18; then
2414 chk_rm_nr 0 3 simult
2421 if reset "flush addresses"; then
2422 pm_nl_set_limits $ns1 3 3
2423 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
2424 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2425 pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
2426 pm_nl_set_limits $ns2 3 3
2427 addr_nr_ns1=-8 addr_nr_ns2=-8 speed=slow \
2428 run_tests $ns1 $ns2 10.0.1.1
2431 chk_rm_nr 3 3 invert simult
2434 # invalid addresses flush
2435 if reset "flush invalid addresses"; then
2436 pm_nl_set_limits $ns1 3 3
2437 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
2438 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
2439 pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
2440 pm_nl_set_limits $ns2 3 3
2441 addr_nr_ns1=-8 speed=slow \
2442 run_tests $ns1 $ns2 10.0.1.1
2445 chk_rm_nr 3 1 invert
2448 # remove id 0 subflow
2449 if reset "remove id 0 subflow"; then
2450 pm_nl_set_limits $ns1 0 1
2451 pm_nl_set_limits $ns2 0 1
2452 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2453 addr_nr_ns2=-9 speed=slow \
2454 run_tests $ns1 $ns2 10.0.1.1
2459 # remove id 0 address
2460 if reset "remove id 0 address"; then
2461 pm_nl_set_limits $ns1 0 1
2462 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2463 pm_nl_set_limits $ns2 1 1
2464 addr_nr_ns1=-9 speed=slow \
2465 run_tests $ns1 $ns2 10.0.1.1
2468 chk_rm_nr 1 1 invert
2474 # add single subflow
2475 if reset "add single subflow"; then
2476 pm_nl_set_limits $ns1 0 1
2477 pm_nl_set_limits $ns2 0 1
2478 addr_nr_ns2=1 speed=slow \
2479 run_tests $ns1 $ns2 10.0.1.1
2483 # add signal address
2484 if reset "add signal address"; then
2485 pm_nl_set_limits $ns1 0 1
2486 pm_nl_set_limits $ns2 1 1
2487 addr_nr_ns1=1 speed=slow \
2488 run_tests $ns1 $ns2 10.0.1.1
2493 # add multiple subflows
2494 if reset "add multiple subflows"; then
2495 pm_nl_set_limits $ns1 0 2
2496 pm_nl_set_limits $ns2 0 2
2497 addr_nr_ns2=2 speed=slow \
2498 run_tests $ns1 $ns2 10.0.1.1
2502 # add multiple subflows IPv6
2503 if reset "add multiple subflows IPv6"; then
2504 pm_nl_set_limits $ns1 0 2
2505 pm_nl_set_limits $ns2 0 2
2506 addr_nr_ns2=2 speed=slow \
2507 run_tests $ns1 $ns2 dead:beef:1::1
2511 # add multiple addresses IPv6
2512 if reset "add multiple addresses IPv6"; then
2513 pm_nl_set_limits $ns1 0 2
2514 pm_nl_set_limits $ns2 2 2
2515 addr_nr_ns1=2 speed=slow \
2516 run_tests $ns1 $ns2 dead:beef:1::1
2525 if reset "single subflow IPv6"; then
2526 pm_nl_set_limits $ns1 0 1
2527 pm_nl_set_limits $ns2 0 1
2528 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2530 run_tests $ns1 $ns2 dead:beef:1::1
2534 # add_address, unused IPv6
2535 if reset "unused signal address IPv6"; then
2536 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2538 run_tests $ns1 $ns2 dead:beef:1::1
2543 # signal address IPv6
2544 if reset "single address IPv6"; then
2545 pm_nl_set_limits $ns1 0 1
2546 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2547 pm_nl_set_limits $ns2 1 1
2549 run_tests $ns1 $ns2 dead:beef:1::1
2554 # single address IPv6, remove
2555 if reset "remove single address IPv6"; then
2556 pm_nl_set_limits $ns1 0 1
2557 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2558 pm_nl_set_limits $ns2 1 1
2559 addr_nr_ns1=-1 speed=slow \
2560 run_tests $ns1 $ns2 dead:beef:1::1
2563 chk_rm_nr 1 1 invert
2566 # subflow and signal IPv6, remove
2567 if reset "remove subflow and signal IPv6"; then
2568 pm_nl_set_limits $ns1 0 2
2569 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2570 pm_nl_set_limits $ns2 1 2
2571 pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
2572 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2573 run_tests $ns1 $ns2 dead:beef:1::1
2582 # subflow IPv4-mapped to IPv4-mapped
2583 if reset "single subflow IPv4-mapped"; then
2584 pm_nl_set_limits $ns1 0 1
2585 pm_nl_set_limits $ns2 0 1
2586 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2587 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2591 # signal address IPv4-mapped with IPv4-mapped sk
2592 if reset "signal address IPv4-mapped"; then
2593 pm_nl_set_limits $ns1 0 1
2594 pm_nl_set_limits $ns2 1 1
2595 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2596 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2602 if reset "single subflow v4-map-v6"; then
2603 pm_nl_set_limits $ns1 0 1
2604 pm_nl_set_limits $ns2 0 1
2605 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2606 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2610 # signal address v4-map-v6
2611 if reset "signal address v4-map-v6"; then
2612 pm_nl_set_limits $ns1 0 1
2613 pm_nl_set_limits $ns2 1 1
2614 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2615 run_tests $ns1 $ns2 "::ffff:10.0.1.1"
2621 if reset "single subflow v6-map-v4"; then
2622 pm_nl_set_limits $ns1 0 1
2623 pm_nl_set_limits $ns2 0 1
2624 pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
2625 run_tests $ns1 $ns2 10.0.1.1
2629 # signal address v6-map-v4
2630 if reset "signal address v6-map-v4"; then
2631 pm_nl_set_limits $ns1 0 1
2632 pm_nl_set_limits $ns2 1 1
2633 pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
2634 run_tests $ns1 $ns2 10.0.1.1
2639 # no subflow IPv6 to v4 address
2640 if reset "no JOIN with diff families v4-v6"; then
2641 pm_nl_set_limits $ns1 0 1
2642 pm_nl_set_limits $ns2 0 1
2643 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
2644 run_tests $ns1 $ns2 10.0.1.1
2648 # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
2649 if reset "no JOIN with diff families v4-v6-2"; then
2650 pm_nl_set_limits $ns1 0 1
2651 pm_nl_set_limits $ns2 0 1
2652 pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
2653 run_tests $ns1 $ns2 10.0.1.1
2657 # no subflow IPv4 to v6 address, no need to slow down too then
2658 if reset "no JOIN with diff families v6-v4"; then
2659 pm_nl_set_limits $ns1 0 1
2660 pm_nl_set_limits $ns2 0 1
2661 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2662 run_tests $ns1 $ns2 dead:beef:1::1
2669 if reset "IPv4 sockets do not use IPv6 addresses" &&
2670 continue_if mptcp_lib_kversion_ge 6.3; then
2671 pm_nl_set_limits $ns1 0 1
2672 pm_nl_set_limits $ns2 1 1
2673 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2675 run_tests $ns1 $ns2 10.0.1.1
2679 # Need an IPv6 mptcp socket to allow subflows of both families
2680 if reset "simult IPv4 and IPv6 subflows" &&
2681 continue_if mptcp_lib_kversion_ge 6.3; then
2682 pm_nl_set_limits $ns1 0 1
2683 pm_nl_set_limits $ns2 1 1
2684 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2686 run_tests $ns1 $ns2 dead:beef:2::1
2690 # cross families subflows will not be created even in fullmesh mode
2691 if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1" &&
2692 continue_if mptcp_lib_kversion_ge 6.3; then
2693 pm_nl_set_limits $ns1 0 4
2694 pm_nl_set_limits $ns2 1 4
2695 pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
2696 pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
2698 run_tests $ns1 $ns2 dead:beef:2::1
2702 # fullmesh still tries to create all the possibly subflows with
2704 if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2" &&
2705 continue_if mptcp_lib_kversion_ge 6.3; then
2706 pm_nl_set_limits $ns1 0 4
2707 pm_nl_set_limits $ns2 2 4
2708 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2709 pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
2710 fullmesh=1 speed=slow \
2711 run_tests $ns1 $ns2 dead:beef:1::1
2718 # single subflow, backup
2719 if reset "single subflow, backup" &&
2720 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2721 pm_nl_set_limits $ns1 0 1
2722 pm_nl_set_limits $ns2 0 1
2723 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
2724 sflags=nobackup speed=slow \
2725 run_tests $ns1 $ns2 10.0.1.1
2730 # single address, backup
2731 if reset "single address, backup" &&
2732 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2733 pm_nl_set_limits $ns1 0 1
2734 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2735 pm_nl_set_limits $ns2 1 1
2736 sflags=backup speed=slow \
2737 run_tests $ns1 $ns2 10.0.1.1
2743 # single address with port, backup
2744 if reset "single address with port, backup" &&
2745 continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
2746 pm_nl_set_limits $ns1 0 1
2747 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2748 pm_nl_set_limits $ns2 1 1
2749 sflags=backup speed=slow \
2750 run_tests $ns1 $ns2 10.0.1.1
2756 if reset "mpc backup" &&
2757 continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
2758 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2760 run_tests $ns1 $ns2 10.0.1.1
2765 if reset "mpc backup both sides" &&
2766 continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
2767 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
2768 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
2770 run_tests $ns1 $ns2 10.0.1.1
2775 if reset "mpc switch to backup" &&
2776 continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
2777 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2778 sflags=backup speed=slow \
2779 run_tests $ns1 $ns2 10.0.1.1
2784 if reset "mpc switch to backup both sides" &&
2785 continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
2786 pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
2787 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
2788 sflags=backup speed=slow \
2789 run_tests $ns1 $ns2 10.0.1.1
2795 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
2796 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
2801 verify_listener_events()
2814 if [ $e_type = $LISTENER_CREATED ]; then
2815 name="LISTENER_CREATED"
2816 elif [ $e_type = $LISTENER_CLOSED ]; then
2817 name="LISTENER_CLOSED "
2822 print_check "$name $e_saddr:$e_sport"
2824 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
2825 print_skip "event not supported"
2829 type=$(grep "type:$e_type," $evt | sed -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
2830 family=$(grep "type:$e_type," $evt | sed -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
2831 sport=$(grep "type:$e_type," $evt | sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
2832 if [ $family ] && [ $family = $AF_INET6 ]; then
2833 saddr=$(grep "type:$e_type," $evt | sed -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
2835 saddr=$(grep "type:$e_type," $evt | sed -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
2838 if [ $type ] && [ $type = $e_type ] &&
2839 [ $family ] && [ $family = $e_family ] &&
2840 [ $saddr ] && [ $saddr = $e_saddr ] &&
2841 [ $sport ] && [ $sport = $e_sport ]; then
2845 fail_test "$e_type:$type $e_family:$family $e_saddr:$saddr $e_sport:$sport"
2848 add_addr_ports_tests()
2850 # signal address with port
2851 if reset "signal address with port"; then
2852 pm_nl_set_limits $ns1 0 1
2853 pm_nl_set_limits $ns2 1 1
2854 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2855 run_tests $ns1 $ns2 10.0.1.1
2860 # subflow and signal with port
2861 if reset "subflow and signal with port"; then
2862 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2863 pm_nl_set_limits $ns1 0 2
2864 pm_nl_set_limits $ns2 1 2
2865 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2866 run_tests $ns1 $ns2 10.0.1.1
2871 # single address with port, remove
2872 # pm listener events
2873 if reset_with_events "remove single address with port"; then
2874 pm_nl_set_limits $ns1 0 1
2875 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2876 pm_nl_set_limits $ns2 1 1
2877 addr_nr_ns1=-1 speed=slow \
2878 run_tests $ns1 $ns2 10.0.1.1
2881 chk_rm_nr 1 1 invert
2883 verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100
2884 verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100
2888 # subflow and signal with port, remove
2889 if reset "remove subflow and signal with port"; then
2890 pm_nl_set_limits $ns1 0 2
2891 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2892 pm_nl_set_limits $ns2 1 2
2893 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2894 addr_nr_ns1=-1 addr_nr_ns2=-1 speed=slow \
2895 run_tests $ns1 $ns2 10.0.1.1
2901 # subflows and signal with port, flush
2902 if reset "flush subflows and signal with port"; then
2903 pm_nl_set_limits $ns1 0 3
2904 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2905 pm_nl_set_limits $ns2 1 3
2906 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2907 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2908 addr_nr_ns1=-8 addr_nr_ns2=-2 speed=slow \
2909 run_tests $ns1 $ns2 10.0.1.1
2912 chk_rm_nr 1 3 invert simult
2915 # multiple addresses with port
2916 if reset "multiple addresses with port"; then
2917 pm_nl_set_limits $ns1 2 2
2918 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2919 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
2920 pm_nl_set_limits $ns2 2 2
2921 run_tests $ns1 $ns2 10.0.1.1
2926 # multiple addresses with ports
2927 if reset "multiple addresses with ports"; then
2928 pm_nl_set_limits $ns1 2 2
2929 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
2930 pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
2931 pm_nl_set_limits $ns2 2 2
2932 run_tests $ns1 $ns2 10.0.1.1
2940 # single subflow, syncookies
2941 if reset_with_cookies "single subflow with syn cookies"; then
2942 pm_nl_set_limits $ns1 0 1
2943 pm_nl_set_limits $ns2 0 1
2944 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2945 run_tests $ns1 $ns2 10.0.1.1
2949 # multiple subflows with syn cookies
2950 if reset_with_cookies "multiple subflows with syn cookies"; then
2951 pm_nl_set_limits $ns1 0 2
2952 pm_nl_set_limits $ns2 0 2
2953 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2954 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2955 run_tests $ns1 $ns2 10.0.1.1
2959 # multiple subflows limited by server
2960 if reset_with_cookies "subflows limited by server w cookies"; then
2961 pm_nl_set_limits $ns1 0 1
2962 pm_nl_set_limits $ns2 0 2
2963 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2964 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
2965 run_tests $ns1 $ns2 10.0.1.1
2969 # test signal address with cookies
2970 if reset_with_cookies "signal address with syn cookies"; then
2971 pm_nl_set_limits $ns1 0 1
2972 pm_nl_set_limits $ns2 1 1
2973 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2974 run_tests $ns1 $ns2 10.0.1.1
2979 # test cookie with subflow and signal
2980 if reset_with_cookies "subflow and signal w cookies"; then
2981 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2982 pm_nl_set_limits $ns1 0 2
2983 pm_nl_set_limits $ns2 1 2
2984 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2985 run_tests $ns1 $ns2 10.0.1.1
2990 # accept and use add_addr with additional subflows
2991 if reset_with_cookies "subflows and signal w. cookies"; then
2992 pm_nl_set_limits $ns1 0 3
2993 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
2994 pm_nl_set_limits $ns2 1 3
2995 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
2996 pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
2997 run_tests $ns1 $ns2 10.0.1.1
3006 if reset_with_checksum 0 0; then
3007 pm_nl_set_limits $ns1 0 1
3008 pm_nl_set_limits $ns2 0 1
3009 run_tests $ns1 $ns2 10.0.1.1
3014 if reset_with_checksum 1 1; then
3015 pm_nl_set_limits $ns1 0 1
3016 pm_nl_set_limits $ns2 0 1
3017 run_tests $ns1 $ns2 10.0.1.1
3022 if reset_with_checksum 0 1; then
3023 pm_nl_set_limits $ns1 0 1
3024 pm_nl_set_limits $ns2 0 1
3025 run_tests $ns1 $ns2 10.0.1.1
3030 if reset_with_checksum 1 0; then
3031 pm_nl_set_limits $ns1 0 1
3032 pm_nl_set_limits $ns2 0 1
3033 run_tests $ns1 $ns2 10.0.1.1
3038 deny_join_id0_tests()
3040 # subflow allow join id0 ns1
3041 if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
3042 pm_nl_set_limits $ns1 1 1
3043 pm_nl_set_limits $ns2 1 1
3044 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3045 run_tests $ns1 $ns2 10.0.1.1
3049 # subflow allow join id0 ns2
3050 if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
3051 pm_nl_set_limits $ns1 1 1
3052 pm_nl_set_limits $ns2 1 1
3053 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3054 run_tests $ns1 $ns2 10.0.1.1
3058 # signal address allow join id0 ns1
3059 # ADD_ADDRs are not affected by allow_join_id0 value.
3060 if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
3061 pm_nl_set_limits $ns1 1 1
3062 pm_nl_set_limits $ns2 1 1
3063 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3064 run_tests $ns1 $ns2 10.0.1.1
3069 # signal address allow join id0 ns2
3070 # ADD_ADDRs are not affected by allow_join_id0 value.
3071 if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
3072 pm_nl_set_limits $ns1 1 1
3073 pm_nl_set_limits $ns2 1 1
3074 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3075 run_tests $ns1 $ns2 10.0.1.1
3080 # subflow and address allow join id0 ns1
3081 if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
3082 pm_nl_set_limits $ns1 2 2
3083 pm_nl_set_limits $ns2 2 2
3084 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3085 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3086 run_tests $ns1 $ns2 10.0.1.1
3090 # subflow and address allow join id0 ns2
3091 if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
3092 pm_nl_set_limits $ns1 2 2
3093 pm_nl_set_limits $ns2 2 2
3094 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3095 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3096 run_tests $ns1 $ns2 10.0.1.1
3104 # 2 fullmesh addrs in ns2, added before the connection,
3105 # 1 non-fullmesh addr in ns1, added during the connection.
3106 if reset "fullmesh test 2x1"; then
3107 pm_nl_set_limits $ns1 0 4
3108 pm_nl_set_limits $ns2 1 4
3109 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
3110 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
3111 addr_nr_ns1=1 speed=slow \
3112 run_tests $ns1 $ns2 10.0.1.1
3118 # 1 non-fullmesh addr in ns1, added before the connection,
3119 # 1 fullmesh addr in ns2, added during the connection.
3120 if reset "fullmesh test 1x1"; then
3121 pm_nl_set_limits $ns1 1 3
3122 pm_nl_set_limits $ns2 1 3
3123 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3124 fullmesh=1 speed=slow \
3125 run_tests $ns1 $ns2 10.0.1.1
3131 # 1 non-fullmesh addr in ns1, added before the connection,
3132 # 2 fullmesh addrs in ns2, added during the connection.
3133 if reset "fullmesh test 1x2"; then
3134 pm_nl_set_limits $ns1 2 5
3135 pm_nl_set_limits $ns2 1 5
3136 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3137 fullmesh=2 speed=slow \
3138 run_tests $ns1 $ns2 10.0.1.1
3144 # 1 non-fullmesh addr in ns1, added before the connection,
3145 # 2 fullmesh addrs in ns2, added during the connection,
3146 # limit max_subflows to 4.
3147 if reset "fullmesh test 1x2, limited"; then
3148 pm_nl_set_limits $ns1 2 4
3149 pm_nl_set_limits $ns2 1 4
3150 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3151 fullmesh=2 speed=slow \
3152 run_tests $ns1 $ns2 10.0.1.1
3158 if reset "set fullmesh flag test" &&
3159 continue_if mptcp_lib_kversion_ge 5.18; then
3160 pm_nl_set_limits $ns1 4 4
3161 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3162 pm_nl_set_limits $ns2 4 4
3163 addr_nr_ns2=1 sflags=fullmesh speed=slow \
3164 run_tests $ns1 $ns2 10.0.1.1
3169 # set nofullmesh flag
3170 if reset "set nofullmesh flag test" &&
3171 continue_if mptcp_lib_kversion_ge 5.18; then
3172 pm_nl_set_limits $ns1 4 4
3173 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
3174 pm_nl_set_limits $ns2 4 4
3175 fullmesh=1 sflags=nofullmesh speed=slow \
3176 run_tests $ns1 $ns2 10.0.1.1
3181 # set backup,fullmesh flags
3182 if reset "set backup,fullmesh flags test" &&
3183 continue_if mptcp_lib_kversion_ge 5.18; then
3184 pm_nl_set_limits $ns1 4 4
3185 pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
3186 pm_nl_set_limits $ns2 4 4
3187 addr_nr_ns2=1 sflags=backup,fullmesh speed=slow \
3188 run_tests $ns1 $ns2 10.0.1.1
3194 # set nobackup,nofullmesh flags
3195 if reset "set nobackup,nofullmesh flags test" &&
3196 continue_if mptcp_lib_kversion_ge 5.18; then
3197 pm_nl_set_limits $ns1 4 4
3198 pm_nl_set_limits $ns2 4 4
3199 pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
3200 sflags=nobackup,nofullmesh speed=slow \
3201 run_tests $ns1 $ns2 10.0.1.1
3210 if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then
3211 test_linkfail=1024 fastclose=client \
3212 run_tests $ns1 $ns2 10.0.1.1
3215 chk_rst_nr 1 1 invert
3218 if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
3219 test_linkfail=1024 fastclose=server \
3220 run_tests $ns1 $ns2 10.0.1.1
3222 chk_fclose_nr 1 1 invert
3229 tc -n $ns2 -j -s action show action pedit index 100 | \
3231 sed 's/.*"packets":\([0-9]\+\),.*/\1/'
3237 if reset_with_fail "Infinite map" 1; then
3239 run_tests $ns1 $ns2 10.0.1.1
3240 chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
3241 chk_fail_nr 1 -1 invert
3245 if reset_with_fail "MP_FAIL MP_RST" 2; then
3246 tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5
3247 pm_nl_set_limits $ns1 0 1
3248 pm_nl_set_limits $ns2 0 1
3249 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3250 test_linkfail=1024 \
3251 run_tests $ns1 $ns2 10.0.1.1
3252 chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
3256 userspace_pm_add_addr()
3262 tk=$(grep "type:1," "$evts_ns1" |
3263 sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
3264 ip netns exec $ns1 ./pm_nl_ctl ann $addr token $tk id $id
3268 userspace_pm_rm_sf_addr_ns1()
3274 tk=$(grep "type:1," "$evts_ns1" |
3275 sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
3276 sp=$(grep "type:10" "$evts_ns1" |
3277 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
3278 da=$(grep "type:10" "$evts_ns1" |
3279 sed -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
3280 dp=$(grep "type:10" "$evts_ns1" |
3281 sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q')
3282 ip netns exec $ns1 ./pm_nl_ctl rem token $tk id $id
3283 ip netns exec $ns1 ./pm_nl_ctl dsf lip "::ffff:$addr" \
3284 lport $sp rip $da rport $dp token $tk
3289 userspace_pm_add_sf()
3295 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
3296 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
3297 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
3298 ip netns exec $ns2 ./pm_nl_ctl csf lip $addr lid $id \
3299 rip $da rport $dp token $tk
3303 userspace_pm_rm_sf_addr_ns2()
3309 tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
3310 da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
3311 dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
3312 sp=$(grep "type:10" "$evts_ns2" |
3313 sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
3314 ip netns exec $ns2 ./pm_nl_ctl rem token $tk id $id
3315 ip netns exec $ns2 ./pm_nl_ctl dsf lip $addr lport $sp \
3316 rip $da rport $dp token $tk
3323 # userspace pm type prevents add_addr
3324 if reset "userspace pm type prevents add_addr" &&
3325 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3326 set_userspace_pm $ns1
3327 pm_nl_set_limits $ns1 0 2
3328 pm_nl_set_limits $ns2 0 2
3329 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3330 run_tests $ns1 $ns2 10.0.1.1
3335 # userspace pm type does not echo add_addr without daemon
3336 if reset "userspace pm no echo w/o daemon" &&
3337 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3338 set_userspace_pm $ns2
3339 pm_nl_set_limits $ns1 0 2
3340 pm_nl_set_limits $ns2 0 2
3341 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3342 run_tests $ns1 $ns2 10.0.1.1
3347 # userspace pm type rejects join
3348 if reset "userspace pm type rejects join" &&
3349 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3350 set_userspace_pm $ns1
3351 pm_nl_set_limits $ns1 1 1
3352 pm_nl_set_limits $ns2 1 1
3353 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3354 run_tests $ns1 $ns2 10.0.1.1
3358 # userspace pm type does not send join
3359 if reset "userspace pm type does not send join" &&
3360 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3361 set_userspace_pm $ns2
3362 pm_nl_set_limits $ns1 1 1
3363 pm_nl_set_limits $ns2 1 1
3364 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3365 run_tests $ns1 $ns2 10.0.1.1
3369 # userspace pm type prevents mp_prio
3370 if reset "userspace pm type prevents mp_prio" &&
3371 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3372 set_userspace_pm $ns1
3373 pm_nl_set_limits $ns1 1 1
3374 pm_nl_set_limits $ns2 1 1
3375 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3376 sflags=backup speed=slow \
3377 run_tests $ns1 $ns2 10.0.1.1
3382 # userspace pm type prevents rm_addr
3383 if reset "userspace pm type prevents rm_addr" &&
3384 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3385 set_userspace_pm $ns1
3386 set_userspace_pm $ns2
3387 pm_nl_set_limits $ns1 0 1
3388 pm_nl_set_limits $ns2 0 1
3389 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
3390 addr_nr_ns2=-1 speed=slow \
3391 run_tests $ns1 $ns2 10.0.1.1
3396 # userspace pm add & remove address
3397 if reset_with_events "userspace pm add & remove address" &&
3398 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3399 set_userspace_pm $ns1
3400 pm_nl_set_limits $ns2 1 1
3402 run_tests $ns1 $ns2 10.0.1.1 &
3405 userspace_pm_add_addr 10.0.2.1 10
3408 chk_mptcp_info subflows 1 subflows 1
3409 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3410 userspace_pm_rm_sf_addr_ns1 10.0.2.1 10
3411 chk_rm_nr 1 1 invert
3412 chk_mptcp_info subflows 0 subflows 0
3417 # userspace pm create destroy subflow
3418 if reset_with_events "userspace pm create destroy subflow" &&
3419 continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
3420 set_userspace_pm $ns2
3421 pm_nl_set_limits $ns1 0 1
3423 run_tests $ns1 $ns2 10.0.1.1 &
3426 userspace_pm_add_sf 10.0.3.2 20
3428 chk_mptcp_info subflows 1 subflows 1
3429 userspace_pm_rm_sf_addr_ns2 10.0.3.2 20
3431 chk_mptcp_info subflows 0 subflows 0
3439 # subflow_rebuild_header is needed to support the implicit flag
3440 # userspace pm type prevents add_addr
3441 if reset "implicit EP" &&
3442 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3443 pm_nl_set_limits $ns1 2 2
3444 pm_nl_set_limits $ns2 2 2
3445 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
3447 run_tests $ns1 $ns2 10.0.1.1 2>/dev/null &
3450 pm_nl_check_endpoint "creation" \
3451 $ns2 10.0.2.2 id 1 flags implicit
3452 chk_mptcp_info subflows 1 subflows 1
3453 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
3455 pm_nl_add_endpoint $ns2 10.0.2.2 id 33 2>/dev/null
3456 pm_nl_check_endpoint "ID change is prevented" \
3457 $ns2 10.0.2.2 id 1 flags implicit
3459 pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
3460 pm_nl_check_endpoint "modif is allowed" \
3461 $ns2 10.0.2.2 id 1 flags signal
3465 if reset "delete and re-add" &&
3466 mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
3467 pm_nl_set_limits $ns1 1 1
3468 pm_nl_set_limits $ns2 1 1
3469 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
3470 test_linkfail=4 speed=20 \
3471 run_tests $ns1 $ns2 10.0.1.1 2>/dev/null &
3474 chk_subflow_nr "before delete" 2
3475 chk_mptcp_info subflows 1 subflows 1
3477 pm_nl_del_endpoint $ns2 2 10.0.2.2
3479 chk_subflow_nr "after delete" 1
3480 chk_mptcp_info subflows 0 subflows 0
3482 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
3484 chk_subflow_nr "after re-add" 2
3485 chk_mptcp_info subflows 1 subflows 1
3490 # [$1: error message]
3493 if [ -n "${1}" ]; then
3498 echo "mptcp_join usage:"
3501 for key in "${!all_tests[@]}"; do
3502 echo " -${key} ${all_tests[${key}]}"
3505 echo " -c capture pcap files"
3506 echo " -C enable data checksum"
3507 echo " -i use ip mptcp"
3510 echo "[test ids|names]"
3516 # Use a "simple" array to force an specific order we cannot have with an associative one
3519 e@subflows_error_tests
3520 s@signal_address_tests
3521 l@link_failure_tests
3522 t@add_addr_timeout_tests
3529 p@add_addr_ports_tests
3532 d@deny_join_id0_tests
3542 for subtests in "${all_tests_sorted[@]}"; do
3543 key="${subtests%@*}"
3544 value="${subtests#*@}"
3546 all_tests_args+="${key}"
3547 all_tests_names+=("${value}")
3548 all_tests[${key}]="${value}"
3552 while getopts "${all_tests_args}cCih" opt; do
3554 ["${all_tests_args}"])
3555 tests+=("${all_tests[${opt}]}")
3570 usage "Unknown option: -${opt}"
3575 shift $((OPTIND - 1))
3577 for arg in "${@}"; do
3578 if [[ "${arg}" =~ ^[0-9]+$ ]]; then
3579 only_tests_ids+=("${arg}")
3581 only_tests_names+=("${arg}")
3585 if [ ${#tests[@]} -eq 0 ]; then
3586 tests=("${all_tests_names[@]}")
3589 for subtests in "${tests[@]}"; do
3593 if [ ${ret} -ne 0 ]; then
3595 echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
3596 for i in $(get_failed_tests_ids); do
3597 echo -e "\t- ${i}: ${failed_tests[${i}]}"
3603 mptcp_lib_result_print_all_tap