diff options
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_join.sh')
-rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_join.sh | 203 |
1 files changed, 149 insertions, 54 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 7ef639a9d4a6..27d0eb9afdca 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -238,6 +238,45 @@ is_v6() [ -z "${1##*:*}" ] } +# $1: ns, $2: port +wait_local_port_listen() +{ + local listener_ns="${1}" + local port="${2}" + + local port_hex i + + port_hex="$(printf "%04X" "${port}")" + for i in $(seq 10); do + ip netns exec "${listener_ns}" cat /proc/net/tcp* | \ + awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" && + break + sleep 0.1 + done +} + +rm_addr_count() +{ + ns=${1} + + ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}' +} + +# $1: ns, $2: old rm_addr counter in $ns +wait_rm_addr() +{ + local ns="${1}" + local old_cnt="${2}" + local cnt + local i + + for i in $(seq 10); do + cnt=$(rm_addr_count ${ns}) + [ "$cnt" = "${old_cnt}" ] || break + sleep 0.1 + done +} + do_transfer() { listener_ns="$1" @@ -307,7 +346,7 @@ do_transfer() fi spid=$! - sleep 1 + wait_local_port_listen "${listener_ns}" "${port}" if [ "$test_link_fail" -eq 0 ];then timeout ${timeout_test} \ @@ -324,10 +363,13 @@ do_transfer() fi cpid=$! + # let the mptcp subflow be established in background before + # do endpoint manipulation + [ $addr_nr_ns1 = "0" -a $addr_nr_ns2 = "0" ] || sleep 1 + 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 @@ -339,7 +381,6 @@ do_transfer() 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 @@ -347,22 +388,19 @@ do_transfer() 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[$pos]} + rm_addr=$(rm_addr_count ${connector_ns}) ip netns exec ${listener_ns} ./pm_nl_ctl del $id - sleep 1 + wait_rm_addr ${connector_ns} ${rm_addr} 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 ${connect_addr} fi fi @@ -373,10 +411,13 @@ do_transfer() addr_nr_ns2=${addr_nr_ns2:9} fi + # if newly added endpoints must be deleted, give the background msk + # some time to created them + [ $addr_nr_ns1 -gt 0 -a $addr_nr_ns2 -lt 0 ] && sleep 1 + 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 @@ -388,7 +429,6 @@ do_transfer() 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 @@ -396,19 +436,18 @@ do_transfer() pos=1 dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`) if [ ${#dump[@]} -gt 0 ]; then - sleep 1 - while [ $counter -le $rm_nr_ns2 ] do + # rm_addr are serialized, allow the previous one to complete id=${dump[$pos]} + rm_addr=$(rm_addr_count ${listener_ns}) ip netns exec ${connector_ns} ./pm_nl_ctl del $id - sleep 1 + wait_rm_addr ${listener_ns} ${rm_addr} 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 @@ -417,7 +456,6 @@ do_transfer() else addr="10.0.1.2" fi - sleep 1 ip netns exec ${connector_ns} ./pm_nl_ctl del 0 $addr fi fi @@ -539,6 +577,14 @@ run_tests() lret=$? } +dump_stats() +{ + echo Server ns stats + ip netns exec $ns1 nstat -as | grep Tcp + echo Client ns stats + ip netns exec $ns2 nstat -as | grep Tcp +} + chk_csum_nr() { local msg=${1:-""} @@ -570,12 +616,7 @@ chk_csum_nr() 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 $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_fail_nr() @@ -607,12 +648,7 @@ chk_fail_nr() 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 $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_join_nr() @@ -656,12 +692,7 @@ chk_join_nr() 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 $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats if [ $checksum -eq 1 ]; then chk_csum_nr chk_fail_nr 0 0 @@ -823,12 +854,7 @@ chk_add_nr() echo "" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_rm_nr() @@ -871,12 +897,7 @@ chk_rm_nr() 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 $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_prio_nr() @@ -908,12 +929,7 @@ chk_prio_nr() 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 $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_link_usage() @@ -937,6 +953,22 @@ chk_link_usage() fi } +wait_for_tw() +{ + local timeout_ms=$((timeout_poll * 1000)) + local time=0 + local ns=$1 + + while [ $time -lt $timeout_ms ]; do + local cnt=$(ip netns exec $ns ss -t state time-wait |wc -l) + + [ "$cnt" = 1 ] && return 1 + time=$((time + 100)) + sleep 0.1 + done + return 1 +} + subflows_tests() { reset @@ -994,6 +1026,61 @@ subflows_tests() chk_join_nr "single subflow, dev" 1 1 1 } +subflows_error_tests() +{ + # If a single subflow is configured, and matches the MPC src + # address, no additional subflow should be created + 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 10.0.1.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "no MPC reuse with single endpoint" 0 0 0 + + # multiple subflows, with subflow creation error + 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 + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "multi subflows, with failing subflow" 1 1 1 + + # multiple subflows, with subflow timeout on MPJ + 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 + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j DROP + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "multi subflows, with subflow timeout" 1 1 1 + + # multiple subflows, check that the endpoint corresponding to + # closed subflow (due to reset) is not reused if additional + # subflows are added later + 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 + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow & + + # updates in the child shell do not have any effect here, we + # need to bump the test counter for the above case + TEST_COUNT=$((TEST_COUNT+1)) + + # mpj subflow will be in TW after the reset + wait_for_tw $ns2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + wait + + # additional subflow could be created only if the PM select + # the later endpoint, skipping the already used one + chk_join_nr "multi subflows, fair usage on close" 1 1 1 +} + signal_address_tests() { # add_address, unused @@ -1071,7 +1158,10 @@ signal_address_tests() 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 + + # the server will not signal the address terminating + # the MPC subflow + chk_add_nr 3 3 } link_failure_tests() @@ -1577,7 +1667,7 @@ add_addr_ports_tests() 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 + run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow chk_join_nr "flush subflows and signal with port" 3 3 3 chk_add_nr 1 1 chk_rm_nr 2 2 @@ -1802,6 +1892,7 @@ fullmesh_tests() all_tests() { subflows_tests + subflows_error_tests signal_address_tests link_failure_tests add_addr_timeout_tests @@ -1821,6 +1912,7 @@ usage() { echo "mptcp_join usage:" echo " -f subflows_tests" + echo " -e subflows_error_tests" echo " -s signal_address_tests" echo " -l link_failure_tests" echo " -t add_addr_timeout_tests" @@ -1869,11 +1961,14 @@ if [ $do_all_tests -eq 1 ]; then exit $ret fi -while getopts 'fsltra64bpkdmchCS' opt; do +while getopts 'fesltra64bpkdmchCS' opt; do case $opt in f) subflows_tests ;; + e) + subflows_error_tests + ;; s) signal_address_tests ;; |