diff options
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_connect.sh')
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_connect.sh | 499 |
1 files changed, 267 insertions, 232 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh index a43d3e2f59bb..a6447f7a31fe 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -1,16 +1,23 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +# Double quotes to prevent globbing and word splitting is recommended in new +# code but we accept it, especially because there were too many before having +# address all other issues detected by shellcheck. +#shellcheck disable=SC2086 + +. "$(dirname "${0}")/mptcp_lib.sh" + time_start=$(date +%s) optstring="S:R:d:e:l:r:h4cm:f:tC" ret=0 +final_ret=0 sin="" sout="" cin_disconnect="" cin="" cout="" -ksft_skip=4 capture=false timeout_poll=30 timeout_test=$((timeout_poll * 2 + 1)) @@ -26,6 +33,7 @@ do_tcp=0 checksum=false filesize=0 connect_per_transfer=1 +port=$((10000 - 1)) if [ $tc_loss -eq 100 ];then tc_loss=1% @@ -57,14 +65,14 @@ while getopts "$optstring" option;do case "$option" in "h") usage $0 - exit 0 + exit ${KSFT_PASS} ;; "d") if [ $OPTARG -ge 0 ];then tc_delay="$OPTARG" else echo "-d requires numeric argument, got \"$OPTARG\"" 1>&2 - exit 1 + exit ${KSFT_FAIL} fi ;; "e") @@ -88,7 +96,7 @@ while getopts "$optstring" option;do sndbuf="$OPTARG" else echo "-S requires numeric argument, got \"$OPTARG\"" 1>&2 - exit 1 + exit ${KSFT_FAIL} fi ;; "R") @@ -96,7 +104,7 @@ while getopts "$optstring" option;do rcvbuf="$OPTARG" else echo "-R requires numeric argument, got \"$OPTARG\"" 1>&2 - exit 1 + exit ${KSFT_FAIL} fi ;; "m") @@ -113,39 +121,33 @@ while getopts "$optstring" option;do ;; "?") usage $0 - exit 1 + exit ${KSFT_FAIL} ;; esac done -sec=$(date +%s) -rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1="ns1-$rndh" -ns2="ns2-$rndh" -ns3="ns3-$rndh" -ns4="ns4-$rndh" +ns1="" +ns2="" +ns3="" +ns4="" -TEST_COUNT=0 +TEST_GROUP="" +# This function is used in the cleanup trap +#shellcheck disable=SC2317,SC2329 cleanup() { - rm -f "$cin_disconnect" "$cout_disconnect" + rm -f "$cin_disconnect" rm -f "$cin" "$cout" rm -f "$sin" "$sout" rm -f "$capout" - local netns - for netns in "$ns1" "$ns2" "$ns3" "$ns4";do - ip netns del $netns - rm -f /tmp/$netns.{nstat,out} - done + mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns3}" "${ns4}" } -ip -Version > /dev/null 2>&1 -if [ $? -ne 0 ];then - echo "SKIP: Could not run test without ip tool" - exit $ksft_skip -fi +mptcp_lib_check_mptcp +mptcp_lib_check_kallsyms +mptcp_lib_check_tools ip tc sin=$(mktemp) sout=$(mktemp) @@ -153,13 +155,9 @@ cin=$(mktemp) cout=$(mktemp) capout=$(mktemp) cin_disconnect="$cin".disconnect -cout_disconnect="$cout".disconnect trap cleanup EXIT -for i in "$ns1" "$ns2" "$ns3" "$ns4";do - ip netns add $i || exit $ksft_skip - ip -net $i link set lo up -done +mptcp_lib_ns_init ns1 ns2 ns3 ns4 # "$ns1" ns2 ns3 ns4 # ns1eth2 ns2eth1 ns2eth3 ns3eth2 ns3eth4 ns4eth3 @@ -213,13 +211,19 @@ if $checksum; then done fi +if $capture; then + rndh="${ns1:4}" + mptcp_lib_pr_info "Packet capture files will have this prefix: ${rndh}-" +fi + set_ethtool_flags() { local ns="$1" local dev="$2" local flags="$3" - ip netns exec $ns ethtool -K $dev $flags 2>/dev/null - [ $? -eq 0 ] && echo "INFO: set $ns dev $dev: ethtool -K $flags" + if ip netns exec $ns ethtool -K $dev $flags 2>/dev/null; then + mptcp_lib_pr_info "set $ns dev $dev: ethtool -K $flags" + fi } set_random_ethtool_flags() { @@ -247,40 +251,32 @@ else set_ethtool_flags "$ns4" ns4eth3 "$ethtool_args" fi -print_file_err() -{ - ls -l "$1" 1>&2 - echo "Trailing bytes are: " - tail -c 27 "$1" +print_larger_title() { + # here we don't have the time, a bit longer for the alignment + MPTCP_LIB_TEST_FORMAT="%02u %-69s" \ + mptcp_lib_print_title "${@}" } -check_transfer() +check_mptcp_disabled() { - local in=$1 - local out=$2 - local what=$3 + local disabled_ns + mptcp_lib_ns_init disabled_ns - cmp "$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" + print_larger_title "New MPTCP socket can be blocked via sysctl" + # mainly to cover more code + if ! ip netns exec ${disabled_ns} sysctl net.mptcp >/dev/null; then + mptcp_lib_pr_fail "not able to list net.mptcp sysctl knobs" + mptcp_lib_result_fail "not able to list net.mptcp sysctl knobs" + ret=${KSFT_FAIL} return 1 fi - return 0 -} - -check_mptcp_disabled() -{ - local disabled_ns="ns_disabled-$rndh" - ip netns add ${disabled_ns} || exit $ksft_skip - # net.mptcp.enabled should be enabled by default if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ print $3 }')" -ne 1 ]; then - echo -e "net.mptcp.enabled sysctl is not 1 by default\t\t[ FAIL ]" - ret=1 + mptcp_lib_pr_fail "net.mptcp.enabled sysctl is not 1 by default" + mptcp_lib_result_fail "net.mptcp.enabled sysctl is not 1 by default" + ret=${KSFT_FAIL} return 1 fi ip netns exec ${disabled_ns} sysctl -q net.mptcp.enabled=0 @@ -288,40 +284,38 @@ check_mptcp_disabled() local err=0 LC_ALL=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \ grep -q "^socket: Protocol not available$" && err=1 - ip netns delete ${disabled_ns} + mptcp_lib_ns_exit "${disabled_ns}" if [ ${err} -eq 0 ]; then - echo -e "New MPTCP socket cannot be blocked via sysctl\t\t[ FAIL ]" - ret=1 + mptcp_lib_pr_fail "New MPTCP socket cannot be blocked via sysctl" + mptcp_lib_result_fail "New MPTCP socket cannot be blocked via sysctl" + ret=${KSFT_FAIL} return 1 fi - echo -e "New MPTCP socket can be blocked via sysctl\t\t[ OK ]" + mptcp_lib_pr_ok + mptcp_lib_result_pass "New MPTCP socket can be blocked via sysctl" return 0 } -# $1: IP address -is_v6() -{ - [ -z "${1##*:*}" ] -} - do_ping() { local listener_ns="$1" local connector_ns="$2" local connect_addr="$3" local ping_args="-q -c 1" + local rc=0 - if is_v6 "${connect_addr}"; then + if mptcp_lib_is_v6 "${connect_addr}"; then $ipv6 || return 0 ping_args="${ping_args} -6" fi - ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null - if [ $? -ne 0 ] ; then - echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2 - ret=1 + ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null || rc=1 + + if [ $rc -ne 0 ] ; then + mptcp_lib_pr_fail "$listener_ns -> $connect_addr connectivity" + ret=${KSFT_FAIL} return 1 fi @@ -329,38 +323,6 @@ do_ping() return 0 } -# $1: ns, $2: MIB counter -get_mib_counter() -{ - local listener_ns="${1}" - local mib="${2}" - - # strip the header - ip netns exec "${listener_ns}" \ - nstat -z -a "${mib}" | \ - tail -n+2 | \ - while read a count c rest; do - echo $count - done -} - -# $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 -} - do_transfer() { local listener_ns="$1" @@ -371,24 +333,22 @@ do_transfer() local local_addr="$6" local extra_args="$7" - local port - port=$((10000+$TEST_COUNT)) - TEST_COUNT=$((TEST_COUNT+1)) + port=$((port + 1)) if [ "$rcvbuf" -gt 0 ]; then - extra_args="$extra_args -R $rcvbuf" + extra_args+=" -R $rcvbuf" fi if [ "$sndbuf" -gt 0 ]; then - extra_args="$extra_args -S $sndbuf" + extra_args+=" -S $sndbuf" fi if [ -n "$testmode" ]; then - extra_args="$extra_args -m $testmode" + extra_args+=" -m $testmode" fi if [ -n "$extra_args" ] && $options_log; then - echo "INFO: extra options: $extra_args" + mptcp_lib_pr_info "extra options: $extra_args" fi options_log=false @@ -398,7 +358,11 @@ do_transfer() local addr_port addr_port=$(printf "%s:%d" ${connect_addr} ${port}) - printf "%.3s %-5s -> %.3s (%-20s) %-5s\t" ${connector_ns} ${cl_proto} ${listener_ns} ${addr_port} ${srv_proto} + local pretty_title + pretty_title="$(printf "%.3s %-5s -> %.3s (%-20s) %-5s" ${connector_ns} ${cl_proto} ${listener_ns} ${addr_port} ${srv_proto})" + mptcp_lib_print_title "${pretty_title}" + + local tap_title="${connector_ns:0:3} ${cl_proto} -> ${listener_ns:0:3} (${addr_port}) ${srv_proto}" if $capture; then local capuser @@ -411,167 +375,184 @@ do_transfer() local capfile="${rndh}-${connector_ns:0:3}-${listener_ns:0:3}-${cl_proto}-${srv_proto}-${connect_addr}-${port}" local capopt="-i any -s 65535 -B 32768 ${capuser}" - ip netns exec ${listener_ns} tcpdump ${capopt} -w "${capfile}-listener.pcap" >> "${capout}" 2>&1 & + ip netns exec ${listener_ns} tcpdump ${capopt} \ + -w "${capfile}-listener.pcap" >> "${capout}" 2>&1 & local cappid_listener=$! - ip netns exec ${connector_ns} tcpdump ${capopt} -w "${capfile}-connector.pcap" >> "${capout}" 2>&1 & - local cappid_connector=$! + if [ ${listener_ns} != ${connector_ns} ]; then + ip netns exec ${connector_ns} tcpdump ${capopt} \ + -w "${capfile}-connector.pcap" >> "${capout}" 2>&1 & + local cappid_connector=$! + fi sleep 1 fi - NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ - nstat -n + mptcp_lib_nstat_init "${listener_ns}" if [ ${listener_ns} != ${connector_ns} ]; then - NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ - nstat -n + mptcp_lib_nstat_init "${connector_ns}" fi - local stat_synrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX") - local stat_ackrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX") - local stat_cookietx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent") - local stat_cookierx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv") - local stat_csum_err_s=$(get_mib_counter "${listener_ns}" "MPTcpExtDataCsumErr") - local stat_csum_err_c=$(get_mib_counter "${connector_ns}" "MPTcpExtDataCsumErr") - - timeout ${timeout_test} \ - ip netns exec ${listener_ns} \ - ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ - $extra_args $local_addr < "$sin" > "$sout" & + ip netns exec ${listener_ns} \ + ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \ + $extra_args $local_addr < "$sin" > "$sout" & local spid=$! - wait_local_port_listen "${listener_ns}" "${port}" + mptcp_lib_wait_local_port_listen "${listener_ns}" "${port}" local start start=$(date +%s%3N) - timeout ${timeout_test} \ - ip netns exec ${connector_ns} \ - ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ - $extra_args $connect_addr < "$cin" > "$cout" & + ip netns exec ${connector_ns} \ + ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \ + $extra_args $connect_addr < "$cin" > "$cout" & local cpid=$! + mptcp_lib_wait_timeout "${timeout_test}" "${listener_ns}" \ + "${connector_ns}" "${port}" "${cpid}" "${spid}" & + local timeout_pid=$! + wait $cpid local retc=$? wait $spid local rets=$? + if kill -0 $timeout_pid; then + # Finished before the timeout: kill the background job + mptcp_lib_kill_group_wait $timeout_pid + timeout_pid=0 + fi + local stop stop=$(date +%s%3N) if $capture; then sleep 1 kill ${cappid_listener} - kill ${cappid_connector} + if [ ${listener_ns} != ${connector_ns} ]; then + kill ${cappid_connector} + fi fi - NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ - nstat | grep Tcp > /tmp/${listener_ns}.out + mptcp_lib_nstat_get "${listener_ns}" if [ ${listener_ns} != ${connector_ns} ]; then - NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ - nstat | grep Tcp > /tmp/${connector_ns}.out + mptcp_lib_nstat_get "${connector_ns}" fi local duration duration=$((stop-start)) printf "(duration %05sms) " "${duration}" - if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then - echo "[ FAIL ] 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" - [ ${listener_ns} != ${connector_ns} ] && cat /tmp/${connector_ns}.out + if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ] || [ ${timeout_pid} -ne 0 ]; then + mptcp_lib_pr_fail "client exit code $retc, server $rets" + mptcp_lib_pr_err_stats "${listener_ns}" "${connector_ns}" "${port}" echo cat "$capout" + mptcp_lib_result_fail "${TEST_GROUP}: ${tap_title}" return 1 fi - check_transfer $sin $cout "file received by client" + mptcp_lib_check_transfer $sin $cout "file received by client" retc=$? - check_transfer $cin $sout "file received by server" + mptcp_lib_check_transfer $cin $sout "file received by server" rets=$? - local stat_synrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX") - local stat_ackrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX") - local stat_cookietx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent") - local stat_cookierx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv") - local stat_ooo_now=$(get_mib_counter "${listener_ns}" "TcpExtTCPOFOQueue") - - expect_synrx=$((stat_synrx_last_l)) - expect_ackrx=$((stat_ackrx_last_l)) + local extra="" + local stat_synrx + local stat_ackrx + local stat_cookietx + local stat_cookierx + local stat_ooo + local stat_tcpfb + stat_synrx=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX") + stat_ackrx=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX") + stat_cookietx=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent") + stat_cookierx=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv") + stat_ooo=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtTCPOFOQueue") + stat_tcpfb=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableFallbackACK") + + expect_synrx=0 + expect_ackrx=0 cookies=$(ip netns exec ${listener_ns} sysctl net.ipv4.tcp_syncookies) cookies=${cookies##*=} if [ ${cl_proto} = "MPTCP" ] && [ ${srv_proto} = "MPTCP" ]; then - expect_synrx=$((stat_synrx_last_l+$connect_per_transfer)) - expect_ackrx=$((stat_ackrx_last_l+$connect_per_transfer)) + expect_synrx=${connect_per_transfer} + expect_ackrx=${connect_per_transfer} fi - if [ ${stat_synrx_now_l} -lt ${expect_synrx} ]; then - printf "[ FAIL ] lower MPC SYN rx (%d) than expected (%d)\n" \ - "${stat_synrx_now_l}" "${expect_synrx}" 1>&2 + if [ ${stat_synrx} -lt ${expect_synrx} ]; then + mptcp_lib_pr_fail "lower MPC SYN rx (${stat_synrx})" \ + "than expected (${expect_synrx})" retc=1 fi - if [ ${stat_ackrx_now_l} -lt ${expect_ackrx} -a ${stat_ooo_now} -eq 0 ]; then - if [ ${stat_ooo_now} -eq 0 ]; then - printf "[ FAIL ] lower MPC ACK rx (%d) than expected (%d)\n" \ - "${stat_ackrx_now_l}" "${expect_ackrx}" 1>&2 + if [ ${stat_ackrx} -lt ${expect_ackrx} ]; then + if [ ${stat_ooo} -eq 0 ]; then + mptcp_lib_pr_fail "lower MPC ACK rx (${stat_ackrx})" \ + "than expected (${expect_ackrx})" rets=1 else - printf "[ Note ] fallback due to TCP OoO" + extra+=" [ Note ] fallback due to TCP OoO" fi fi if $checksum; then - local csum_err_s=$(get_mib_counter "${listener_ns}" "MPTcpExtDataCsumErr") - local csum_err_c=$(get_mib_counter "${connector_ns}" "MPTcpExtDataCsumErr") + local csum_err_s + local csum_err_c + csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr") + csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr") - local csum_err_s_nr=$((csum_err_s - stat_csum_err_s)) - if [ $csum_err_s_nr -gt 0 ]; then - printf "[ FAIL ]\nserver got $csum_err_s_nr data checksum error[s]" + if [ $csum_err_s -gt 0 ]; then + mptcp_lib_pr_fail "server got ${csum_err_s} data checksum error[s]" rets=1 fi - local csum_err_c_nr=$((csum_err_c - stat_csum_err_c)) - if [ $csum_err_c_nr -gt 0 ]; then - printf "[ FAIL ]\nclient got $csum_err_c_nr data checksum error[s]" + if [ $csum_err_c -gt 0 ]; then + mptcp_lib_pr_fail "client got ${csum_err_c} data checksum error[s]" retc=1 fi fi - if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then - printf "[ OK ]" + if [ ${stat_ooo} -eq 0 ] && [ ${stat_tcpfb} -gt 0 ]; then + mptcp_lib_pr_fail "unexpected fallback to TCP" + rets=1 fi if [ $cookies -eq 2 ];then - if [ $stat_cookietx_last -ge $stat_cookietx_now ] ;then - printf " WARN: CookieSent: did not advance" + if [ $stat_cookietx -eq 0 ] ;then + extra+=" WARN: CookieSent: did not advance" fi - if [ $stat_cookierx_last -ge $stat_cookierx_now ] ;then - printf " WARN: CookieRecv: did not advance" + if [ $stat_cookierx -eq 0 ] ;then + extra+=" WARN: CookieRecv: did not advance" fi else - if [ $stat_cookietx_last -ne $stat_cookietx_now ] ;then - printf " WARN: CookieSent: changed" + if [ $stat_cookietx -gt 0 ] ;then + extra+=" WARN: CookieSent: changed" fi - if [ $stat_cookierx_last -ne $stat_cookierx_now ] ;then - printf " WARN: CookieRecv: changed" + if [ $stat_cookierx -gt 0 ] ;then + extra+=" WARN: CookieRecv: changed" fi fi - if [ ${stat_synrx_now_l} -gt ${expect_synrx} ]; then - printf " WARN: SYNRX: expect %d, got %d (probably retransmissions)" \ - "${expect_synrx}" "${stat_synrx_now_l}" + if [ ${stat_synrx} -gt ${expect_synrx} ]; then + extra+=" WARN: SYNRX: expect ${expect_synrx}," + extra+=" got ${stat_synrx} (probably retransmissions)" fi - if [ ${stat_ackrx_now_l} -gt ${expect_ackrx} ]; then - printf " WARN: ACKRX: expect %d, got %d (probably retransmissions)" \ - "${expect_ackrx}" "${stat_ackrx_now_l}" + if [ ${stat_ackrx} -gt ${expect_ackrx} ]; then + extra+=" WARN: ACKRX: expect ${expect_ackrx}," + extra+=" got ${stat_ackrx} (probably retransmissions)" + fi + + if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then + mptcp_lib_pr_ok "${extra:1}" + mptcp_lib_result_pass "${TEST_GROUP}: ${tap_title}" + else + if [ -n "${extra}" ]; then + mptcp_lib_print_warn "${extra:1}" + fi + mptcp_lib_result_fail "${TEST_GROUP}: ${tap_title}" fi - echo cat "$capout" [ $retc -eq 0 ] && [ $rets -eq 0 ] } @@ -594,11 +575,10 @@ make_file() ksize=$((SIZE / 1024)) rem=$((SIZE - (ksize * 1024))) - dd if=/dev/urandom of="$name" bs=1024 count=$ksize 2> /dev/null - dd if=/dev/urandom conv=notrunc of="$name" bs=1 count=$rem 2> /dev/null - echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" + mptcp_lib_make_file $name 1024 $ksize + dd if=/dev/urandom conv=notrunc of="$name" oflag=append bs=1 count=$rem 2> /dev/null - echo "Created $name (size $(du -b "$name")) containing data sent by $who" + echo "Created $name (size $(stat -c "%s" "$name") B) containing data sent by $who" } run_tests_lo() @@ -616,12 +596,12 @@ run_tests_lo() fi # skip if we don't want v6 - if ! $ipv6 && is_v6 "${connect_addr}"; then + if ! $ipv6 && mptcp_lib_is_v6 "${connect_addr}"; then return 0 fi local local_addr - if is_v6 "${connect_addr}"; then + if mptcp_lib_is_v6 "${connect_addr}"; then local_addr="::" else local_addr="0.0.0.0" @@ -686,12 +666,24 @@ run_test_transparent() local lret=0 local r6flag="" + TEST_GROUP="${msg}" + # skip if we don't want v6 - if ! $ipv6 && is_v6 "${connect_addr}"; then + if ! $ipv6 && mptcp_lib_is_v6 "${connect_addr}"; then return 0 fi -ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF" + # IP(V6)_TRANSPARENT has been added after TOS support which came with + # the required infrastructure in MPTCP sockopt code. To support TOS, the + # following function has been exported (T). Not great but better than + # checking for a specific kernel version. + if ! mptcp_lib_kallsyms_has "T __ip_sock_set_tos$"; then + mptcp_lib_pr_skip "${msg} not supported by the kernel" + mptcp_lib_result_skip "${TEST_GROUP}" + return + fi + + if ! ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF" flush ruleset table inet mangle { chain divert { @@ -702,37 +694,41 @@ table inet mangle { } } EOF - if [ $? -ne 0 ]; then - echo "SKIP: $msg, could not load nft ruleset" + then + mptcp_lib_pr_skip "$msg, could not load nft ruleset" + mptcp_lib_fail_if_expected_feature "nft rules" + mptcp_lib_result_skip "${TEST_GROUP}" return fi local local_addr - if is_v6 "${connect_addr}"; then + if mptcp_lib_is_v6 "${connect_addr}"; then local_addr="::" r6flag="-6" else local_addr="0.0.0.0" fi - ip -net "$listener_ns" $r6flag rule add fwmark 1 lookup 100 - if [ $? -ne 0 ]; then + if ! ip -net "$listener_ns" $r6flag rule add fwmark 1 lookup 100; then ip netns exec "$listener_ns" nft flush ruleset - echo "SKIP: $msg, ip $r6flag rule failed" + mptcp_lib_pr_skip "$msg, ip $r6flag rule failed" + mptcp_lib_fail_if_expected_feature "ip rule" + mptcp_lib_result_skip "${TEST_GROUP}" return fi - ip -net "$listener_ns" route add local $local_addr/0 dev lo table 100 - if [ $? -ne 0 ]; then + if ! ip -net "$listener_ns" route add local $local_addr/0 dev lo table 100; then ip netns exec "$listener_ns" nft flush ruleset ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100 - echo "SKIP: $msg, ip route add local $local_addr failed" + mptcp_lib_pr_skip "$msg, ip route add local $local_addr failed" + mptcp_lib_fail_if_expected_feature "ip route" + mptcp_lib_result_skip "${TEST_GROUP}" return fi - echo "INFO: test $msg" + mptcp_lib_pr_info "test $msg" - TEST_COUNT=10000 + port=$((20000 - 1)) local extra_args="-o TRANSPARENT" do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \ ${connect_addr} ${local_addr} "${extra_args}" @@ -743,12 +739,12 @@ EOF ip -net "$listener_ns" route del local $local_addr/0 dev lo table 100 if [ $lret -ne 0 ]; then - echo "FAIL: $msg, mptcp connection error" 1>&2 + mptcp_lib_pr_fail "$msg, mptcp connection error" ret=$lret return 1 fi - echo "PASS: $msg" + mptcp_lib_pr_info "$msg pass" return 0 } @@ -756,14 +752,23 @@ run_tests_peekmode() { local peekmode="$1" - echo "INFO: with peek mode: ${peekmode}" + TEST_GROUP="peek mode: ${peekmode}" + mptcp_lib_pr_info "with peek mode: ${peekmode}" run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-P ${peekmode}" run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-P ${peekmode}" } run_tests_mptfo() { - echo "INFO: with MPTFO start" + TEST_GROUP="MPTFO" + + if ! mptcp_lib_kallsyms_has "mptcp_fastopen_"; then + mptcp_lib_pr_skip "TFO not supported by the kernel" + mptcp_lib_result_skip "${TEST_GROUP}" + return + fi + + mptcp_lib_pr_info "with MPTFO start" ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=2 ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=1 @@ -775,7 +780,7 @@ run_tests_mptfo() ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=0 ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=0 - echo "INFO: with MPTFO end" + mptcp_lib_pr_info "with MPTFO end" } run_tests_disconnect() @@ -783,15 +788,23 @@ run_tests_disconnect() local old_cin=$cin local old_sin=$sin + TEST_GROUP="full disconnect" + + if ! mptcp_lib_kallsyms_has "mptcp_pm_data_reset$"; then + mptcp_lib_pr_skip "Full disconnect not supported" + mptcp_lib_result_skip "${TEST_GROUP}" + return + fi + cat $cin $cin $cin > "$cin".disconnect - # force do_transfer to cope with the multiple tranmissions + # force do_transfer to cope with the multiple transmissions sin="$cin.disconnect" cin="$cin.disconnect" cin_disconnect="$old_cin" connect_per_transfer=3 - echo "INFO: disconnect" + mptcp_lib_pr_info "disconnect" run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-I 3 -i $old_cin" run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-I 3 -i $old_cin" @@ -810,25 +823,39 @@ display_time() echo "Time: ${time_run} seconds" } -stop_if_error() +log_if_error() { local msg="$1" if [ ${ret} -ne 0 ]; then - echo "FAIL: ${msg}" 1>&2 + mptcp_lib_pr_fail "${msg}" + + final_ret=${ret} + ret=${KSFT_PASS} + + return ${final_ret} + fi +} + +stop_if_error() +{ + if ! log_if_error "${@}"; then display_time - exit ${ret} + mptcp_lib_result_print_all_tap + exit ${final_ret} fi } make_file "$cin" "client" make_file "$sin" "server" +mptcp_lib_subtests_last_ts_reset + check_mptcp_disabled stop_if_error "The kernel configuration is not valid for MPTCP" -echo "INFO: validating network environment with pings" +print_larger_title "Validating network environment with pings" for sender in "$ns1" "$ns2" "$ns3" "$ns4";do do_ping "$ns1" $sender 10.0.1.1 do_ping "$ns1" $sender dead:beef:1::1 @@ -847,13 +874,16 @@ for sender in "$ns1" "$ns2" "$ns3" "$ns4";do do_ping "$ns4" $sender dead:beef:3::1 done +mptcp_lib_result_code "${ret}" "ping tests" + stop_if_error "Could not even run ping tests" +mptcp_lib_pr_ok [ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss delay ${tc_delay}ms -echo -n "INFO: Using loss of $tc_loss " -test "$tc_delay" -gt 0 && echo -n "delay $tc_delay ms " +tc_info="loss of $tc_loss " +test "$tc_delay" -gt 0 && tc_info+="delay $tc_delay ms " -reorder_delay=$(($tc_delay / 4)) +reorder_delay=$((tc_delay / 4)) if [ -z "${tc_reorder}" ]; then reorder1=$((RANDOM%10)) @@ -862,26 +892,29 @@ if [ -z "${tc_reorder}" ]; then if [ $reorder_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then tc_reorder="reorder ${reorder1}% ${reorder2}%" - echo -n "$tc_reorder with delay ${reorder_delay}ms " + tc_info+="$tc_reorder with delay ${reorder_delay}ms " fi elif [ "$tc_reorder" = "0" ];then tc_reorder="" elif [ "$reorder_delay" -gt 0 ];then # reordering requires some delay tc_reorder="reorder $tc_reorder" - echo -n "$tc_reorder with delay ${reorder_delay}ms " + tc_info+="$tc_reorder with delay ${reorder_delay}ms " fi -echo "on ns3eth4" +mptcp_lib_pr_info "Using ${tc_info}on ns3eth4" tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${reorder_delay}ms $tc_reorder +TEST_GROUP="loopback v4" run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 stop_if_error "Could not even run loopback test" +TEST_GROUP="loopback v6" run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 stop_if_error "Could not even run loopback v6 test" +TEST_GROUP="multihosts" for sender in $ns1 $ns2 $ns3 $ns4;do # ns1<->ns2 is not subject to reordering/tc delays. Use it to test # mptcp syncookie support. @@ -907,23 +940,25 @@ for sender in $ns1 $ns2 $ns3 $ns4;do run_tests "$ns4" $sender 10.0.3.1 run_tests "$ns4" $sender dead:beef:3::1 - stop_if_error "Tests with $sender as a sender have failed" + log_if_error "Tests with $sender as a sender have failed" done run_tests_peekmode "saveWithPeek" run_tests_peekmode "saveAfterPeek" -stop_if_error "Tests with peek mode have failed" +log_if_error "Tests with peek mode have failed" # MPTFO (MultiPath TCP Fatopen tests) run_tests_mptfo -stop_if_error "Tests with MPTFO have failed" +log_if_error "Tests with MPTFO have failed" # connect to ns4 ip address, ns2 should intercept/proxy run_test_transparent 10.0.3.1 "tproxy ipv4" run_test_transparent dead:beef:3::1 "tproxy ipv6" -stop_if_error "Tests with tproxy have failed" +log_if_error "Tests with tproxy have failed" run_tests_disconnect +log_if_error "Tests of the full disconnection have failed" display_time -exit $ret +mptcp_lib_result_print_all_tap +exit ${final_ret} |