diff options
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_join.sh')
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_join.sh | 1151 |
1 files changed, 1008 insertions, 143 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index f39c1129ce5f..964db9ed544f 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -5,13 +5,33 @@ ret=0 sin="" sout="" cin="" +cinsent="" cout="" ksft_skip=4 timeout=30 +mptcp_connect="" capture=0 TEST_COUNT=0 +# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) || +# (ip6 && (ip6[74] & 0xf0) == 0x30)'" +CBPF_MPTCP_SUBOPTION_ADD_ADDR="14, + 48 0 0 0, + 84 0 0 240, + 21 0 3 64, + 48 0 0 54, + 84 0 0 240, + 21 6 7 48, + 48 0 0 0, + 84 0 0 240, + 21 0 4 96, + 48 0 0 74, + 84 0 0 240, + 21 0 1 48, + 6 0 0 65535, + 6 0 0 0" + init() { capout=$(mktemp) @@ -62,7 +82,7 @@ cleanup_partial() cleanup() { rm -f "$cin" "$cout" - rm -f "$sin" "$sout" + rm -f "$sin" "$sout" "$cinsent" cleanup_partial } @@ -81,6 +101,26 @@ reset_with_cookies() done } +reset_with_add_addr_timeout() +{ + local ip="${1:-4}" + local tables + + tables="iptables" + if [ $ip -eq 6 ]; then + tables="ip6tables" + fi + + reset + + ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 + ip netns exec $ns2 $tables -A OUTPUT -p tcp \ + -m tcp --tcp-option 30 \ + -m bpf --bytecode \ + "$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \ + -j DROP +} + for arg in "$@"; do if [ "$arg" = "-c" ]; then capture=1 @@ -93,6 +133,24 @@ if [ $? -ne 0 ];then exit $ksft_skip fi +iptables -V > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run all tests without iptables tool" + exit $ksft_skip +fi + +ip6tables -V > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run all tests without ip6tables tool" + exit $ksft_skip +fi + +print_file_err() +{ + ls -l "$1" 1>&2 + echo "Trailing bytes are: " + tail -c 27 "$1" +} check_transfer() { @@ -105,6 +163,7 @@ check_transfer() echo "[ FAIL ] $what does not match (in, out):" print_file_err "$in" print_file_err "$out" + ret=1 return 1 fi @@ -125,6 +184,23 @@ do_ping() fi } +link_failure() +{ + ns="$1" + + l=$((RANDOM%4)) + l=$((l+1)) + + veth="ns1eth$l" + ip -net "$ns" link set "$veth" down +} + +# $1: IP address +is_v6() +{ + [ -z "${1##*:*}" ] +} + do_transfer() { listener_ns="$1" @@ -132,6 +208,11 @@ do_transfer() cl_proto="$3" srv_proto="$4" connect_addr="$5" + test_link_fail="$6" + addr_nr_ns1="$7" + addr_nr_ns2="$8" + speed="$9" + bkup="${10}" port=$((10000+$TEST_COUNT)) TEST_COUNT=$((TEST_COUNT+1)) @@ -156,14 +237,113 @@ do_transfer() sleep 1 fi - ip netns exec ${listener_ns} ./mptcp_connect -j -t $timeout -l -p $port -s ${srv_proto} 0.0.0.0 < "$sin" > "$sout" & + if [ $speed = "fast" ]; then + mptcp_connect="./mptcp_connect -j" + else + mptcp_connect="./mptcp_connect -r" + fi + + local local_addr + if is_v6 "${connect_addr}"; then + local_addr="::" + else + local_addr="0.0.0.0" + fi + + ip netns exec ${listener_ns} $mptcp_connect -t $timeout -l -p $port \ + -s ${srv_proto} ${local_addr} < "$sin" > "$sout" & spid=$! sleep 1 - ip netns exec ${connector_ns} ./mptcp_connect -j -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" & + if [ "$test_link_fail" -eq 0 ];then + ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" & + else + ( cat "$cin" ; sleep 2; link_failure $listener_ns ; cat "$cin" ) | tee "$cinsent" | \ + ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr > "$cout" & + fi cpid=$! + if [ $addr_nr_ns1 -gt 0 ]; then + let add_nr_ns1=addr_nr_ns1 + counter=2 + sleep 1 + while [ $add_nr_ns1 -gt 0 ]; do + local addr + if is_v6 "${connect_addr}"; then + addr="dead:beef:$counter::1" + else + addr="10.0.$counter.1" + fi + ip netns exec $ns1 ./pm_nl_ctl add $addr flags signal + let counter+=1 + let add_nr_ns1-=1 + done + sleep 1 + elif [ $addr_nr_ns1 -lt 0 ]; then + let rm_nr_ns1=-addr_nr_ns1 + if [ $rm_nr_ns1 -lt 8 ]; then + counter=1 + sleep 1 + + while [ $counter -le $rm_nr_ns1 ] + do + ip netns exec ${listener_ns} ./pm_nl_ctl del $counter + sleep 1 + let counter+=1 + done + else + sleep 1 + ip netns exec ${listener_ns} ./pm_nl_ctl flush + fi + fi + + if [ $addr_nr_ns2 -gt 0 ]; then + let add_nr_ns2=addr_nr_ns2 + counter=3 + sleep 1 + while [ $add_nr_ns2 -gt 0 ]; do + local addr + if is_v6 "${connect_addr}"; then + addr="dead:beef:$counter::2" + else + addr="10.0.$counter.2" + fi + ip netns exec $ns2 ./pm_nl_ctl add $addr flags subflow + let counter+=1 + let add_nr_ns2-=1 + done + sleep 1 + elif [ $addr_nr_ns2 -lt 0 ]; then + let rm_nr_ns2=-addr_nr_ns2 + if [ $rm_nr_ns2 -lt 8 ]; then + counter=1 + sleep 1 + + while [ $counter -le $rm_nr_ns2 ] + do + ip netns exec ${connector_ns} ./pm_nl_ctl del $counter + sleep 1 + let counter+=1 + done + else + sleep 1 + ip netns exec ${connector_ns} ./pm_nl_ctl flush + fi + fi + + if [ ! -z $bkup ]; then + sleep 1 + for netns in "$ns1" "$ns2"; do + dump=(`ip netns exec $netns ./pm_nl_ctl dump`) + if [ ${#dump[@]} -gt 0 ]; then + addr=${dump[${#dump[@]} - 1]} + backup="ip netns exec $netns ./pm_nl_ctl set $addr flags $bkup" + $backup + fi + done + fi + wait $cpid retc=$? wait $spid @@ -176,18 +356,23 @@ do_transfer() if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then echo " client exit code $retc, server $rets" 1>&2 - echo "\nnetns ${listener_ns} socket stat for $port:" 1>&2 + echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2 ip netns exec ${listener_ns} ss -nita 1>&2 -o "sport = :$port" - echo "\nnetns ${connector_ns} socket stat for $port:" 1>&2 + echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2 ip netns exec ${connector_ns} ss -nita 1>&2 -o "dport = :$port" cat "$capout" + ret=1 return 1 fi check_transfer $sin $cout "file received by client" retc=$? - check_transfer $cin $sout "file received by server" + if [ "$test_link_fail" -eq 0 ];then + check_transfer $cin $sout "file received by server" + else + check_transfer $cinsent $sout "file received by server" + fi rets=$? if [ $retc -eq 0 ] && [ $rets -eq 0 ];then @@ -203,13 +388,12 @@ make_file() { name=$1 who=$2 + size=$3 - SIZE=1 - - dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null + dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" - echo "Created $name (size $SIZE KB) containing data sent by $who" + echo "Created $name (size $size KB) containing data sent by $who" } run_tests() @@ -217,10 +401,33 @@ run_tests() listener_ns="$1" connector_ns="$2" connect_addr="$3" + test_linkfail="${4:-0}" + addr_nr_ns1="${5:-0}" + addr_nr_ns2="${6:-0}" + speed="${7:-fast}" + bkup="${8:-""}" lret=0 + oldin="" + + if [ "$test_linkfail" -eq 1 ];then + size=$((RANDOM%1024)) + size=$((size+1)) + size=$((size*128)) + + oldin=$(mktemp) + cp "$cin" "$oldin" + make_file "$cin" "client" $size + fi - do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} + do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \ + ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${bkup} lret=$? + + if [ "$test_linkfail" -eq 1 ];then + cp "$oldin" "$cin" + rm -f "$oldin" + fi + if [ $lret -ne 0 ]; then ret=$lret return @@ -276,144 +483,802 @@ chk_join_nr() fi } +chk_add_nr() +{ + local add_nr=$1 + local echo_nr=$2 + local port_nr=${3:-0} + local syn_nr=${4:-$port_nr} + local syn_ack_nr=${5:-$port_nr} + local ack_nr=${6:-$port_nr} + local mis_syn_nr=${7:-0} + local mis_ack_nr=${8:-0} + local count + local dump_stats + + printf "%-39s %s" " " "add" + count=`ip netns exec $ns2 nstat -as | grep MPTcpExtAddAddr | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$add_nr" ]; then + echo "[fail] got $count ADD_ADDR[s] expected $add_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - echo " + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$echo_nr" ]; then + echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + if [ $port_nr -gt 0 ]; then + echo -n " - pt " + count=`ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$port_nr" ]; then + echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + + printf "%-39s %s" " " "syn" + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx | + awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$syn_nr" ]; then + echo "[fail] got $count JOIN[s] syn with a different \ + port-number expected $syn_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - synack" + count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx | + awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$syn_ack_nr" ]; then + echo "[fail] got $count JOIN[s] synack with a different \ + port-number expected $syn_ack_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - ack" + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx | + awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$ack_nr" ]; then + echo "[fail] got $count JOIN[s] ack with a different \ + port-number expected $ack_nr" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + + printf "%-39s %s" " " "syn" + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx | + awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$mis_syn_nr" ]; then + echo "[fail] got $count JOIN[s] syn with a mismatched \ + port-number expected $mis_syn_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - ack " + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx | + awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$mis_ack_nr" ]; then + echo "[fail] got $count JOIN[s] ack with a mismatched \ + port-number expected $mis_ack_nr" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + else + echo "" + fi + + if [ "${dump_stats}" = 1 ]; then + echo Server ns stats + ip netns exec $ns1 nstat -as | grep MPTcp + echo Client ns stats + ip netns exec $ns2 nstat -as | grep MPTcp + fi +} + +chk_rm_nr() +{ + local rm_addr_nr=$1 + local rm_subflow_nr=$2 + local count + local dump_stats + + printf "%-39s %s" " " "rm " + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$rm_addr_nr" ]; then + echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - sf " + count=`ip netns exec $ns2 nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$rm_subflow_nr" ]; then + echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + + if [ "${dump_stats}" = 1 ]; then + echo Server ns stats + ip netns exec $ns1 nstat -as | grep MPTcp + echo Client ns stats + ip netns exec $ns2 nstat -as | grep MPTcp + fi +} + +chk_prio_nr() +{ + local mp_prio_nr_tx=$1 + local mp_prio_nr_rx=$2 + local count + local dump_stats + + printf "%-39s %s" " " "ptx" + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$mp_prio_nr_tx" ]; then + echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx" + ret=1 + dump_stats=1 + else + echo -n "[ ok ]" + fi + + echo -n " - prx " + count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}'` + [ -z "$count" ] && count=0 + if [ "$count" != "$mp_prio_nr_rx" ]; then + echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx" + ret=1 + dump_stats=1 + else + echo "[ ok ]" + fi + + if [ "${dump_stats}" = 1 ]; then + echo Server ns stats + ip netns exec $ns1 nstat -as | grep MPTcp + echo Client ns stats + ip netns exec $ns2 nstat -as | grep MPTcp + fi +} + +subflows_tests() +{ + reset + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "no JOIN" "0" "0" "0" + + # subflow limited by client + reset + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "single subflow, limited by client" 0 0 0 + + # subflow limited by server + reset + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "single subflow, limited by server" 1 1 0 + + # subflow + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "single subflow" 1 1 1 + + # multiple subflows + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple subflows" 2 2 2 + + # multiple subflows limited by serverf + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple subflows, limited by server" 2 2 1 +} + +signal_address_tests() +{ + # add_address, unused + reset + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "unused signal address" 0 0 0 + chk_add_nr 1 1 + + # accept and use add_addr + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "signal address" 1 1 1 + chk_add_nr 1 1 + + # accept and use add_addr with an additional subflow + # note: signal address in server ns and local addresses in client ns must + # belong to different subnets or one of the listed local address could be + # used for 'add_addr' subflow + reset + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "subflow and signal" 2 2 2 + chk_add_nr 1 1 + + # accept and use add_addr with additional subflows + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple subflows and signal" 3 3 3 + chk_add_nr 1 1 +} + +link_failure_tests() +{ + # accept and use add_addr with additional subflows and link loss + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 1 + chk_join_nr "multiple flows, signal, link failure" 3 3 3 + chk_add_nr 1 1 +} + +add_addr_timeout_tests() +{ + # add_addr timeout + reset_with_add_addr_timeout + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "signal address, ADD_ADDR timeout" 1 1 1 + chk_add_nr 4 0 + + # add_addr timeout IPv6 + reset_with_add_addr_timeout 6 + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal + run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow + chk_join_nr "signal address, ADD_ADDR6 timeout" 1 1 1 + chk_add_nr 4 0 +} + +remove_tests() +{ + # single subflow, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow + chk_join_nr "remove single subflow" 1 1 1 + chk_rm_nr 1 1 + + # multiple subflows, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow + chk_join_nr "remove multiple subflows" 2 2 2 + chk_rm_nr 2 2 + + # single address, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow + chk_join_nr "remove single address" 1 1 1 + chk_add_nr 1 1 + chk_rm_nr 0 0 + + # subflow and signal, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow + chk_join_nr "remove subflow and signal" 2 2 2 + chk_add_nr 1 1 + chk_rm_nr 1 1 + + # subflows and signal, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow + chk_join_nr "remove subflows and signal" 3 3 3 + chk_add_nr 1 1 + chk_rm_nr 2 2 + + # subflows and signal, flush + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow + chk_join_nr "flush subflows and signal" 3 3 3 + chk_add_nr 1 1 + chk_rm_nr 2 2 +} + +add_tests() +{ + # add single subflow + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow + chk_join_nr "add single subflow" 1 1 1 + + # add signal address + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow + chk_join_nr "add signal address" 1 1 1 + chk_add_nr 1 1 + + # add multiple subflows + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow + chk_join_nr "add multiple subflows" 2 2 2 + + # add multiple subflows IPv6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow + chk_join_nr "add multiple subflows IPv6" 2 2 2 + + # add multiple addresses IPv6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 2 2 + run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow + chk_join_nr "add multiple addresses IPv6" 2 2 2 + chk_add_nr 2 2 +} + +ipv6_tests() +{ + # subflow IPv6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 flags subflow + run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow + chk_join_nr "single subflow IPv6" 1 1 1 + + # add_address, unused IPv6 + reset + ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal + run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow + chk_join_nr "unused signal address IPv6" 0 0 0 + chk_add_nr 1 1 + + # signal address IPv6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow + chk_join_nr "single address IPv6" 1 1 1 + chk_add_nr 1 1 + + # single address IPv6, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow + chk_join_nr "remove single address IPv6" 1 1 1 + chk_add_nr 1 1 + chk_rm_nr 0 0 + + # subflow and signal IPv6, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 flags subflow + run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow + chk_join_nr "remove subflow and signal IPv6" 2 2 2 + chk_add_nr 1 1 + chk_rm_nr 1 1 +} + +v4mapped_tests() +{ + # subflow IPv4-mapped to IPv4-mapped + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow + run_tests $ns1 $ns2 "::ffff:10.0.1.1" + chk_join_nr "single subflow IPv4-mapped" 1 1 1 + + # signal address IPv4-mapped with IPv4-mapped sk + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal + run_tests $ns1 $ns2 "::ffff:10.0.1.1" + chk_join_nr "signal address IPv4-mapped" 1 1 1 + chk_add_nr 1 1 + + # subflow v4-map-v6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 "::ffff:10.0.1.1" + chk_join_nr "single subflow v4-map-v6" 1 1 1 + + # signal address v4-map-v6 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + run_tests $ns1 $ns2 "::ffff:10.0.1.1" + chk_join_nr "signal address v4-map-v6" 1 1 1 + chk_add_nr 1 1 + + # subflow v6-map-v4 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "single subflow v6-map-v4" 1 1 1 + + # signal address v6-map-v4 + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "signal address v6-map-v4" 1 1 1 + chk_add_nr 1 1 + + # no subflow IPv6 to v4 address + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "no JOIN with diff families v4-v6" 0 0 0 + + # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "no JOIN with diff families v4-v6-2" 0 0 0 + + # no subflow IPv4 to v6 address, no need to slow down too then + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 dead:beef:1::1 + chk_join_nr "no JOIN with diff families v6-v4" 0 0 0 +} + +backup_tests() +{ + # single subflow, backup + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,backup + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup + chk_join_nr "single subflow, backup" 1 1 1 + chk_prio_nr 0 1 + + # single address, backup + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup + chk_join_nr "single address, backup" 1 1 1 + chk_add_nr 1 1 + chk_prio_nr 1 0 +} + +add_addr_ports_tests() +{ + # signal address with port + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "signal address with port" 1 1 1 + chk_add_nr 1 1 1 + + # subflow and signal with port + reset + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "subflow and signal with port" 2 2 2 + chk_add_nr 1 1 1 + + # single address with port, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow + chk_join_nr "remove single address with port" 1 1 1 + chk_add_nr 1 1 1 + chk_rm_nr 0 0 + + # subflow and signal with port, remove + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow + chk_join_nr "remove subflow and signal with port" 2 2 2 + chk_add_nr 1 1 1 + chk_rm_nr 1 1 + + # subflows and signal with port, flush + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow + chk_join_nr "flush subflows and signal with port" 3 3 3 + chk_add_nr 1 1 + chk_rm_nr 2 2 + + # multiple addresses with port + reset + ip netns exec $ns1 ./pm_nl_ctl limits 2 2 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10100 + ip netns exec $ns2 ./pm_nl_ctl limits 2 2 + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple addresses with port" 2 2 2 + chk_add_nr 2 2 2 + + # multiple addresses with ports + reset + ip netns exec $ns1 ./pm_nl_ctl limits 2 2 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10101 + ip netns exec $ns2 ./pm_nl_ctl limits 2 2 + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple addresses with ports" 2 2 2 + chk_add_nr 2 2 2 +} + +syncookies_tests() +{ + # single subflow, syncookies + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "single subflow with syn cookies" 1 1 1 + + # multiple subflows with syn cookies + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "multiple subflows with syn cookies" 2 2 2 + + # multiple subflows limited by server + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "subflows limited by server w cookies" 2 2 1 + + # test signal address with cookies + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "signal address with syn cookies" 1 1 1 + chk_add_nr 1 1 + + # test cookie with subflow and signal + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 1 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "subflow and signal w cookies" 2 2 2 + chk_add_nr 1 1 + + # accept and use add_addr with additional subflows + reset_with_cookies + ip netns exec $ns1 ./pm_nl_ctl limits 0 3 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal + ip netns exec $ns2 ./pm_nl_ctl limits 1 3 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr "subflows and signal w. cookies" 3 3 3 + chk_add_nr 1 1 +} + +all_tests() +{ + subflows_tests + signal_address_tests + link_failure_tests + add_addr_timeout_tests + remove_tests + add_tests + ipv6_tests + v4mapped_tests + backup_tests + add_addr_ports_tests + syncookies_tests +} + +usage() +{ + echo "mptcp_join usage:" + echo " -f subflows_tests" + echo " -s signal_address_tests" + echo " -l link_failure_tests" + echo " -t add_addr_timeout_tests" + echo " -r remove_tests" + echo " -a add_tests" + echo " -6 ipv6_tests" + echo " -4 v4mapped_tests" + echo " -b backup_tests" + echo " -p add_addr_ports_tests" + echo " -c syncookies_tests" + echo " -h help" +} + sin=$(mktemp) sout=$(mktemp) cin=$(mktemp) +cinsent=$(mktemp) cout=$(mktemp) init -make_file "$cin" "client" -make_file "$sin" "server" +make_file "$cin" "client" 1 +make_file "$sin" "server" 1 trap cleanup EXIT -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "no JOIN" "0" "0" "0" - -# subflow limted by client -reset -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "single subflow, limited by client" 0 0 0 - -# subflow limted by server -reset -ip netns exec $ns2 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "single subflow, limited by server" 1 1 0 - -# subflow -reset -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "single subflow" 1 1 1 - -# multiple subflows -reset -ip netns exec $ns1 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "multiple subflows" 2 2 2 - -# multiple subflows limited by serverf -reset -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "multiple subflows, limited by server" 2 2 1 - -# add_address, unused -reset -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "unused signal address" 0 0 0 - -# accept and use add_addr -reset -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 1 1 -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "signal address" 1 1 1 - -# accept and use add_addr with an additional subflow -# note: signal address in server ns and local addresses in client ns must -# belong to different subnets or one of the listed local address could be -# used for 'add_addr' subflow -reset -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -ip netns exec $ns1 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl limits 1 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "subflow and signal" 2 2 2 - -# accept and use add_addr with additional subflows -reset -ip netns exec $ns1 ./pm_nl_ctl limits 0 3 -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -ip netns exec $ns2 ./pm_nl_ctl limits 1 3 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "multiple subflows and signal" 3 3 3 - -# single subflow, syncookies -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "single subflow with syn cookies" 1 1 1 - -# multiple subflows with syn cookies -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "multiple subflows with syn cookies" 2 2 2 - -# multiple subflows limited by server -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "subflows limited by server w cookies" 2 2 1 - -# test signal address with cookies -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl limits 0 1 -ip netns exec $ns2 ./pm_nl_ctl limits 1 1 -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "signal address with syn cookies" 1 1 1 - -# test cookie with subflow and signal -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -ip netns exec $ns1 ./pm_nl_ctl limits 0 2 -ip netns exec $ns2 ./pm_nl_ctl limits 1 2 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "subflow and signal w cookies" 2 2 2 - -# accept and use add_addr with additional subflows -reset_with_cookies -ip netns exec $ns1 ./pm_nl_ctl limits 0 3 -ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -ip netns exec $ns2 ./pm_nl_ctl limits 1 3 -ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 -chk_join_nr "subflows and signal w. cookies" 3 3 3 +if [ -z $1 ]; then + all_tests + exit $ret +fi + +while getopts 'fsltra64bpch' opt; do + case $opt in + f) + subflows_tests + ;; + s) + signal_address_tests + ;; + l) + link_failure_tests + ;; + t) + add_addr_timeout_tests + ;; + r) + remove_tests + ;; + a) + add_tests + ;; + 6) + ipv6_tests + ;; + 4) + v4mapped_tests + ;; + b) + backup_tests + ;; + p) + add_addr_ports_tests + ;; + c) + syncookies_tests + ;; + h | *) + usage + ;; + esac +done exit $ret |