#!/bin/bash # SPDX-License-Identifier: GPL-2.0 ret=0 sin="" sinfail="" sout="" cin="" cinfail="" cinsent="" cout="" ksft_skip=4 timeout_poll=30 timeout_test=$((timeout_poll * 2 + 1)) mptcp_connect="" capture=0 checksum=0 do_all_tests=1 TEST_COUNT=0 # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) || # (ip6 && (ip6[74] & 0xf0) == 0x30)'" CBPF_MPTCP_SUBOPTION_ADD_ADDR="14, 48 0 0 0, 84 0 0 240, 21 0 3 64, 48 0 0 54, 84 0 0 240, 21 6 7 48, 48 0 0 0, 84 0 0 240, 21 0 4 96, 48 0 0 74, 84 0 0 240, 21 0 1 48, 6 0 0 65535, 6 0 0 0" init() { capout=$(mktemp) rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) ns1="ns1-$rndh" ns2="ns2-$rndh" for netns in "$ns1" "$ns2";do ip netns add $netns || exit $ksft_skip ip -net $netns link set lo up ip netns exec $netns sysctl -q net.mptcp.enabled=1 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0 if [ $checksum -eq 1 ]; then ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1 fi done # ns1 ns2 # ns1eth1 ns2eth1 # ns1eth2 ns2eth2 # ns1eth3 ns2eth3 # ns1eth4 ns2eth4 for i in `seq 1 4`; do ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2" ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad ip -net "$ns1" link set ns1eth$i up ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad ip -net "$ns2" link set ns2eth$i up # let $ns2 reach any $ns1 address from any interface ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i done } init_shapers() { for i in `seq 1 4`; do tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1 tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1 done } cleanup_partial() { rm -f "$capout" for netns in "$ns1" "$ns2"; do ip netns del $netns rm -f /tmp/$netns.{nstat,out} done } cleanup() { rm -f "$cin" "$cout" "$sinfail" rm -f "$sin" "$sout" "$cinsent" "$cinfail" cleanup_partial } reset() { cleanup_partial init } reset_with_cookies() { reset for netns in "$ns1" "$ns2";do ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2 done } reset_with_add_addr_timeout() { local ip="${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 } reset_with_checksum() { local ns1_enable=$1 local ns2_enable=$2 reset ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable } reset_with_allow_join_id0() { local ns1_enable=$1 local ns2_enable=$2 reset ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable } ip -Version > /dev/null 2>&1 if [ $? -ne 0 ];then echo "SKIP: Could not run test without ip tool" 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() { in=$1 out=$2 what=$3 cmp "$in" "$out" > /dev/null 2>&1 if [ $? -ne 0 ] ;then echo "[ FAIL ] $what does not match (in, out):" print_file_err "$in" print_file_err "$out" ret=1 return 1 fi return 0 } do_ping() { listener_ns="$1" connector_ns="$2" connect_addr="$3" ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null if [ $? -ne 0 ] ; then echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2 ret=1 fi } link_failure() { ns="$1" if [ -z "$FAILING_LINKS" ]; then l=$((RANDOM%4)) FAILING_LINKS=$((l+1)) fi for l in $FAILING_LINKS; do veth="ns1eth$l" ip -net "$ns" link set "$veth" down done } # $1: IP address is_v6() { [ -z "${1##*:*}" ] } do_transfer() { listener_ns="$1" connector_ns="$2" 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=$((TEST_COUNT+1)) :> "$cout" :> "$sout" :> "$capout" if [ $capture -eq 1 ]; then if [ -z $SUDO_USER ] ; then capuser="" else capuser="-Z $SUDO_USER" fi capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}") echo "Capturing traffic for test $TEST_COUNT into $capfile" ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & cappid=$! sleep 1 fi NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat -n NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ nstat -n if [ $speed = "fast" ]; then mptcp_connect="./mptcp_connect -j" elif [ $speed = "slow" ]; then mptcp_connect="./mptcp_connect -r 50" elif [ $speed = "least" ]; then mptcp_connect="./mptcp_connect -r 10" fi local local_addr if is_v6 "${connect_addr}"; then local_addr="::" else local_addr="0.0.0.0" fi if [ "$test_link_fail" -eq 2 ];then timeout ${timeout_test} \ ip netns exec ${listener_ns} \ $mptcp_connect -t ${timeout_poll} -l -p $port -s ${cl_proto} \ ${local_addr} < "$sinfail" > "$sout" & else timeout ${timeout_test} \ ip netns exec ${listener_ns} \ $mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ ${local_addr} < "$sin" > "$sout" & fi spid=$! sleep 1 if [ "$test_link_fail" -eq 0 ];then timeout ${timeout_test} \ ip netns exec ${connector_ns} \ $mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ $connect_addr < "$cin" > "$cout" & else ( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \ tee "$cinsent" | \ timeout ${timeout_test} \ ip netns exec ${connector_ns} \ $mptcp_connect -t ${timeout_poll} -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 pos=1 dump=(`ip netns exec ${listener_ns} ./pm_nl_ctl dump`) if [ ${#dump[@]} -gt 0 ]; then sleep 1 while [ $counter -le $rm_nr_ns1 ] do id=${dump[$pos]} ip netns exec ${listener_ns} ./pm_nl_ctl del $id sleep 1 let counter+=1 let pos+=5 done fi elif [ $rm_nr_ns1 -eq 8 ]; then sleep 1 ip netns exec ${listener_ns} ./pm_nl_ctl flush elif [ $rm_nr_ns1 -eq 9 ]; then sleep 1 ip netns exec ${listener_ns} ./pm_nl_ctl del 0 ${connect_addr} fi fi flags="subflow" if [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then flags="${flags},fullmesh" addr_nr_ns2=${addr_nr_ns2:9} 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 $flags 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 pos=1 dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`) if [ ${#dump[@]} -gt 0 ]; then sleep 1 while [ $counter -le $rm_nr_ns2 ] do id=${dump[$pos]} ip netns exec ${connector_ns} ./pm_nl_ctl del $id sleep 1 let counter+=1 let pos+=5 done fi elif [ $rm_nr_ns2 -eq 8 ]; then sleep 1 ip netns exec ${connector_ns} ./pm_nl_ctl flush elif [ $rm_nr_ns2 -eq 9 ]; then local addr if is_v6 "${connect_addr}"; then addr="dead:beef:1::2" else addr="10.0.1.2" fi sleep 1 ip netns exec ${connector_ns} ./pm_nl_ctl del 0 $addr 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 $spid rets=$? if [ $capture -eq 1 ]; then sleep 1 kill $cappid fi NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat | grep Tcp > /tmp/${listener_ns}.out NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ nstat | grep Tcp > /tmp/${connector_ns}.out if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then echo " client exit code $retc, server $rets" 1>&2 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port" cat /tmp/${listener_ns}.out echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port" cat /tmp/${connector_ns}.out cat "$capout" ret=1 return 1 fi if [ "$test_link_fail" -eq 2 ];then check_transfer $sinfail $cout "file received by client" else check_transfer $sin $cout "file received by client" fi retc=$? 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 ] && [ $rets -eq 0 ];then cat "$capout" return 0 fi cat "$capout" return 1 } make_file() { name=$1 who=$2 size=$3 dd if=/dev/urandom of="$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" } 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="" # create the input file for the failure test when # the first failure test run if [ "$test_linkfail" -ne 0 -a -z "$cinfail" ]; then # the client file must be considerably larger # of the maximum expected cwin value, or the # link utilization will be not predicable size=$((RANDOM%2)) size=$((size+1)) size=$((size*8192)) size=$((size + ( $RANDOM % 8192) )) cinfail=$(mktemp) make_file "$cinfail" "client" $size fi if [ "$test_linkfail" -eq 2 -a -z "$sinfail" ]; then size=$((RANDOM%16)) size=$((size+1)) size=$((size*2048)) sinfail=$(mktemp) make_file "$sinfail" "server" $size fi do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \ ${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${bkup} lret=$? } chk_csum_nr() { local msg=${1:-""} local count local dump_stats if [ ! -z "$msg" ]; then printf "%02u" "$TEST_COUNT" else echo -n " " fi printf " %-36s %s" "$msg" "sum" count=`ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != 0 ]; then echo "[fail] got $count data checksum error[s] expected 0" ret=1 dump_stats=1 else echo -n "[ ok ]" fi echo -n " - csum " count=`ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != 0 ]; then echo "[fail] got $count data checksum error[s] expected 0" ret=1 dump_stats=1 else echo "[ ok ]" fi if [ "${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_fail_nr() { local mp_fail_nr_tx=$1 local mp_fail_nr_rx=$2 local count local dump_stats printf "%-39s %s" " " "ftx" count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != "$mp_fail_nr_tx" ]; then echo "[fail] got $count MP_FAIL[s] TX expected $mp_fail_nr_tx" ret=1 dump_stats=1 else echo -n "[ ok ]" fi echo -n " - frx " count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != "$mp_fail_nr_rx" ]; then echo "[fail] got $count MP_FAIL[s] RX expected $mp_fail_nr_rx" ret=1 dump_stats=1 else echo "[ ok ]" fi if [ "${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 } chk_join_nr() { local msg="$1" local syn_nr=$2 local syn_ack_nr=$3 local ack_nr=$4 local count local dump_stats printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn" count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != "$syn_nr" ]; then echo "[fail] got $count JOIN[s] syn expected $syn_nr" ret=1 dump_stats=1 else echo -n "[ ok ]" fi echo -n " - synack" count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != "$syn_ack_nr" ]; then echo "[fail] got $count JOIN[s] synack 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 MPTcpExtMPJoinAckRx | awk '{print $2}'` [ -z "$count" ] && count=0 if [ "$count" != "$ack_nr" ]; then echo "[fail] got $count JOIN[s] ack expected $ack_nr" ret=1 dump_stats=1 else echo "[ ok ]" fi if [ "${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 if [ $checksum -eq 1 ]; then chk_csum_nr chk_fail_nr 0 0 fi } # a negative value for 'stale_max' means no upper bound: # for bidirectional transfer, if one peer sleep for a while # - as these tests do - we can have a quite high number of # stale/recover conversions, proportional to # sleep duration/ MPTCP-level RTX interval. chk_stale_nr() { local ns=$1 local stale_min=$2 local stale_max=$3 local stale_delta=$4 local dump_stats local stale_nr local recover_nr printf "%-39s %-18s" " " "stale" stale_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}'` [ -z "$stale_nr" ] && stale_nr=0 recover_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}'` [ -z "$recover_nr" ] && recover_nr=0 if [ $stale_nr -lt $stale_min ] || [ $stale_max -gt 0 -a $stale_nr -gt $stale_max ] || [ $((stale_nr - $recover_nr)) -ne $stale_delta ]; then echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \ " expected stale in range [$stale_min..$stale_max]," \ " stale-recover delta $stale_delta " ret=1 dump_stats=1 else echo "[ ok ]" fi if [ "${dump_stats}" = 1 ]; then echo $ns stats ip netns exec $ns ip -s link show ip netns exec $ns nstat -as | grep MPTcp 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=$2 local invert=${3:-""} local count local dump_stats local addr_ns local subflow_ns if [ -z $invert ]; then addr_ns=$ns1 subflow_ns=$ns2 elif [ $invert = "invert" ]; then addr_ns=$ns2 subflow_ns=$ns1 fi printf "%-39s %s" " " "rm " count=`ip netns exec $addr_ns 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 $subflow_ns 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 } chk_link_usage() { local ns=$1 local link=$2 local out=$3 local expected_rate=$4 local tx_link=`ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes` local tx_total=`ls -l $out | awk '{print $5}'` local tx_rate=$((tx_link * 100 / $tx_total)) local tolerance=5 printf "%-39s %-18s" " " "link usage" if [ $tx_rate -lt $((expected_rate - $tolerance)) -o \ $tx_rate -gt $((expected_rate + $tolerance)) ]; then echo "[fail] got $tx_rate% usage, expected $expected_rate%" ret=1 else echo "[ ok ]" 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 # single subflow, dev 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 dev ns2eth3 run_tests $ns1 $ns2 10.0.1.1 chk_join_nr "single subflow, dev" 1 1 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 # signal addresses reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 chk_join_nr "signal addresses" 3 3 3 chk_add_nr 3 3 # signal invalid addresses reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 chk_join_nr "signal invalid addresses" 1 1 1 chk_add_nr 3 3 # signal addresses race test reset ip netns exec $ns1 ./pm_nl_ctl limits 4 4 ip netns exec $ns2 ./pm_nl_ctl limits 4 4 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal ip netns exec $ns2 ./pm_nl_ctl add 10.0.1.2 flags signal ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags signal ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags signal ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags signal run_tests $ns1 $ns2 10.0.1.1 chk_add_nr 4 4 } link_failure_tests() { # accept and use add_addr with additional subflows and link loss reset # without any b/w limit each veth could spool the packets and get # them acked at xmit time, so that the corresponding subflow will # have almost always no outstanding pkts, the scheduler will pick # always the first subflow and we will have hard time testing # active backup and link switch-over. # Let's set some arbitrary (low) virtual link limits. init_shapers ip netns exec $ns1 ./pm_nl_ctl limits 0 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 3 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 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 chk_stale_nr $ns2 1 5 1 # accept and use add_addr with additional subflows and link loss # for bidirectional transfer reset init_shapers ip netns exec $ns1 ./pm_nl_ctl limits 0 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 3 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 flags subflow run_tests $ns1 $ns2 10.0.1.1 2 chk_join_nr "multi flows, signal, bidi, link fail" 3 3 3 chk_add_nr 1 1 chk_stale_nr $ns2 1 -1 1 # 2 subflows plus 1 backup subflow with a lossy link, backup # will never be used reset init_shapers ip netns exec $ns1 ./pm_nl_ctl limits 0 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 2 export FAILING_LINKS="1" ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup run_tests $ns1 $ns2 10.0.1.1 1 chk_join_nr "backup subflow unused, link failure" 2 2 2 chk_add_nr 1 1 chk_link_usage $ns2 ns2eth3 $cinsent 0 # 2 lossy links after half transfer, backup will get half of # the traffic reset init_shapers ip netns exec $ns1 ./pm_nl_ctl limits 0 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 2 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup export FAILING_LINKS="1 2" run_tests $ns1 $ns2 10.0.1.1 1 chk_join_nr "backup flow used, multi links fail" 2 2 2 chk_add_nr 1 1 chk_stale_nr $ns2 2 4 2 chk_link_usage $ns2 ns2eth3 $cinsent 50 # use a backup subflow with the first subflow on a lossy link # for bidirectional transfer reset init_shapers ip netns exec $ns1 ./pm_nl_ctl limits 0 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 3 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup run_tests $ns1 $ns2 10.0.1.1 2 chk_join_nr "backup flow used, bidi, link failure" 2 2 2 chk_add_nr 1 1 chk_stale_nr $ns2 1 -1 2 chk_link_usage $ns2 ns2eth3 $cinsent 50 } 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 # signal addresses timeout reset_with_add_addr_timeout ip netns exec $ns1 ./pm_nl_ctl limits 2 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 2 2 run_tests $ns1 $ns2 10.0.1.1 0 0 0 least chk_join_nr "signal addresses, ADD_ADDR timeout" 2 2 2 chk_add_nr 8 0 # signal invalid addresses timeout reset_with_add_addr_timeout ip netns exec $ns1 ./pm_nl_ctl limits 2 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 2 2 run_tests $ns1 $ns2 10.0.1.1 0 0 0 least chk_join_nr "invalid address, ADD_ADDR timeout" 1 1 1 chk_add_nr 8 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 1 1 invert # 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 # addresses remove reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250 ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow chk_join_nr "remove addresses" 3 3 3 chk_add_nr 3 3 chk_rm_nr 3 3 invert # invalid addresses remove reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow chk_join_nr "remove invalid addresses" 1 1 1 chk_add_nr 3 3 chk_rm_nr 3 1 invert # 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 # subflows flush reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns2 ./pm_nl_ctl limits 3 3 ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow id 150 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" 3 3 3 chk_rm_nr 3 3 # addresses flush reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250 ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow chk_join_nr "flush addresses" 3 3 3 chk_add_nr 3 3 chk_rm_nr 3 3 invert # invalid addresses flush reset ip netns exec $ns1 ./pm_nl_ctl limits 3 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 3 3 run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow chk_join_nr "flush invalid addresses" 1 1 1 chk_add_nr 3 3 chk_rm_nr 3 1 invert # remove id 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 0 0 -9 slow chk_join_nr "remove id 0 subflow" 1 1 1 chk_rm_nr 1 1 # remove id 0 address 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 -9 0 slow chk_join_nr "remove id 0 address" 1 1 1 chk_add_nr 1 1 chk_rm_nr 1 1 invert } 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 1 1 invert # 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 1 1 invert # 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 1 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 } checksum_tests() { # checksum test 0 0 reset_with_checksum 0 0 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 chk_csum_nr "checksum test 0 0" # checksum test 1 1 reset_with_checksum 1 1 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 chk_csum_nr "checksum test 1 1" # checksum test 0 1 reset_with_checksum 0 1 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 chk_csum_nr "checksum test 0 1" # checksum test 1 0 reset_with_checksum 1 0 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 chk_csum_nr "checksum test 1 0" } deny_join_id0_tests() { # subflow allow join id0 ns1 reset_with_allow_join_id0 1 0 ip netns exec $ns1 ./pm_nl_ctl limits 1 1 ip netns exec $ns2 ./pm_nl_ctl limits 1 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 allow join id0 ns1" 1 1 1 # subflow allow join id0 ns2 reset_with_allow_join_id0 0 1 ip netns exec $ns1 ./pm_nl_ctl limits 1 1 ip netns exec $ns2 ./pm_nl_ctl limits 1 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 allow join id0 ns2" 0 0 0 # signal address allow join id0 ns1 # ADD_ADDRs are not affected by allow_join_id0 value. reset_with_allow_join_id0 1 0 ip netns exec $ns1 ./pm_nl_ctl limits 1 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 allow join id0 ns1" 1 1 1 chk_add_nr 1 1 # signal address allow join id0 ns2 # ADD_ADDRs are not affected by allow_join_id0 value. reset_with_allow_join_id0 0 1 ip netns exec $ns1 ./pm_nl_ctl limits 1 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 allow join id0 ns2" 1 1 1 chk_add_nr 1 1 # subflow and address allow join id0 ns1 reset_with_allow_join_id0 1 0 ip netns exec $ns1 ./pm_nl_ctl limits 2 2 ip netns exec $ns2 ./pm_nl_ctl limits 2 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal 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 address allow join id0 1" 2 2 2 # subflow and address allow join id0 ns2 reset_with_allow_join_id0 0 1 ip netns exec $ns1 ./pm_nl_ctl limits 2 2 ip netns exec $ns2 ./pm_nl_ctl limits 2 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal 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 address allow join id0 2" 1 1 1 } fullmesh_tests() { # fullmesh 1 # 2 fullmesh addrs in ns2, added before the connection, # 1 non-fullmesh addr in ns1, added during the connection. reset ip netns exec $ns1 ./pm_nl_ctl limits 0 4 ip netns exec $ns2 ./pm_nl_ctl limits 1 4 ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow,fullmesh ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,fullmesh run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow chk_join_nr "fullmesh test 2x1" 4 4 4 chk_add_nr 1 1 # fullmesh 2 # 1 non-fullmesh addr in ns1, added before the connection, # 1 fullmesh addr in ns2, added during the connection. reset ip netns exec $ns1 ./pm_nl_ctl limits 1 3 ip netns exec $ns2 ./pm_nl_ctl limits 1 3 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow chk_join_nr "fullmesh test 1x1" 3 3 3 chk_add_nr 1 1 # fullmesh 3 # 1 non-fullmesh addr in ns1, added before the connection, # 2 fullmesh addrs in ns2, added during the connection. reset ip netns exec $ns1 ./pm_nl_ctl limits 2 5 ip netns exec $ns2 ./pm_nl_ctl limits 1 5 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow chk_join_nr "fullmesh test 1x2" 5 5 5 chk_add_nr 1 1 # fullmesh 4 # 1 non-fullmesh addr in ns1, added before the connection, # 2 fullmesh addrs in ns2, added during the connection, # limit max_subflows to 4. reset ip netns exec $ns1 ./pm_nl_ctl limits 2 4 ip netns exec $ns2 ./pm_nl_ctl limits 1 4 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow chk_join_nr "fullmesh test 1x2, limited" 4 4 4 chk_add_nr 1 1 } all_tests() { subflows_tests signal_address_tests link_failure_tests add_addr_timeout_tests remove_tests add_tests ipv6_tests v4mapped_tests backup_tests add_addr_ports_tests syncookies_tests checksum_tests deny_join_id0_tests fullmesh_tests } usage() { echo "mptcp_join usage:" echo " -f subflows_tests" echo " -s signal_address_tests" echo " -l link_failure_tests" echo " -t add_addr_timeout_tests" echo " -r remove_tests" echo " -a add_tests" echo " -6 ipv6_tests" echo " -4 v4mapped_tests" echo " -b backup_tests" echo " -p add_addr_ports_tests" echo " -k syncookies_tests" echo " -S checksum_tests" echo " -d deny_join_id0_tests" echo " -m fullmesh_tests" echo " -c capture pcap files" echo " -C enable data checksum" echo " -h help" } sin=$(mktemp) sout=$(mktemp) cin=$(mktemp) cinsent=$(mktemp) cout=$(mktemp) init make_file "$cin" "client" 1 make_file "$sin" "server" 1 trap cleanup EXIT for arg in "$@"; do # check for "capture/checksum" args before launching tests if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"c"[0-9a-zA-Z]*$ ]]; then capture=1 fi if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"C"[0-9a-zA-Z]*$ ]]; then checksum=1 fi # exception for the capture/checksum options, the rest means: a part of the tests if [ "${arg}" != "-c" ] && [ "${arg}" != "-C" ]; then do_all_tests=0 fi done if [ $do_all_tests -eq 1 ]; then all_tests exit $ret fi while getopts 'fsltra64bpkdmchCS' 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 ;; k) syncookies_tests ;; S) checksum_tests ;; d) deny_join_id0_tests ;; m) fullmesh_tests ;; c) ;; C) ;; h | *) usage ;; esac done exit $ret