diff options
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_join.sh')
-rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_join.sh | 1035 |
1 files changed, 677 insertions, 358 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index e4403236f655..b8af65373b3a 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -23,6 +23,7 @@ tmpfile="" cout="" err="" capout="" +cappid="" ns1="" ns2="" iptables="iptables" @@ -31,7 +32,6 @@ timeout_poll=30 timeout_test=$((timeout_poll * 2 + 1)) capture=false checksum=false -ip_mptcp=0 check_invert=0 validate_checksum=false init=0 @@ -62,6 +62,17 @@ unset sflags unset fastclose unset fullmesh unset speed +unset join_syn_rej +unset join_csum_ns1 +unset join_csum_ns2 +unset join_fail_nr +unset join_rst_nr +unset join_infi_nr +unset join_corrupted_pkts +unset join_syn_tx +unset join_create_err +unset join_bind_err +unset join_connect_err # generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) || # (ip6 && (ip6[74] & 0xf0) == 0x30)'" @@ -125,8 +136,8 @@ init_shapers() { local i 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 + tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1ms + tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1ms done } @@ -142,7 +153,7 @@ init() { mptcp_lib_check_mptcp mptcp_lib_check_kallsyms - mptcp_lib_check_tools ip ss "${iptables}" "${ip6tables}" + mptcp_lib_check_tools ip tc ss "${iptables}" "${ip6tables}" sin=$(mktemp) sout=$(mktemp) @@ -197,6 +208,22 @@ print_skip() mptcp_lib_pr_skip "${@}" } +# $1: check name; $2: rc +print_results() +{ + local check="${1}" + local rc=${2} + + print_check "${check}" + if [ ${rc} = ${KSFT_PASS} ]; then + print_ok + elif [ ${rc} = ${KSFT_SKIP} ]; then + print_skip + else + fail_test "see above" + fi +} + # [ $1: fail msg ] mark_as_skipped() { @@ -262,6 +289,8 @@ reset() TEST_NAME="${1}" + MPTCP_LIB_SUBTEST_FLAKY=0 # reset if modified + if skip_test; then MPTCP_LIB_TEST_COUNTER=$((MPTCP_LIB_TEST_COUNTER+1)) last_test_ignored=1 @@ -336,7 +365,7 @@ reset_with_checksum() local ns1_enable=$1 local ns2_enable=$2 - reset "checksum test ${1} ${2}" || return 1 + reset "checksum test ${ns1_enable} ${ns2_enable}" || return 1 ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable @@ -419,12 +448,17 @@ reset_with_fail() fi } +start_events() +{ + mptcp_lib_events "${ns1}" "${evts_ns1}" evts_ns1_pid + mptcp_lib_events "${ns2}" "${evts_ns2}" evts_ns2_pid +} + reset_with_events() { reset "${1}" || return 1 - mptcp_lib_events "${ns1}" "${evts_ns1}" evts_ns1_pid - mptcp_lib_events "${ns2}" "${evts_ns2}" evts_ns2_pid + start_events } reset_with_tcp_filter() @@ -435,9 +469,10 @@ reset_with_tcp_filter() local ns="${!1}" local src="${2}" local target="${3}" + local chain="${4:-INPUT}" if ! ip netns exec "${ns}" ${iptables} \ - -A INPUT \ + -A "${chain}" \ -s "${src}" \ -p tcp \ -j "${target}"; then @@ -449,7 +484,9 @@ reset_with_tcp_filter() # $1: err msg fail_test() { - ret=${KSFT_FAIL} + if ! mptcp_lib_subtest_is_flaky; then + ret=${KSFT_FAIL} + fi if [ ${#} -gt 0 ]; then print_fail "${@}" @@ -606,173 +643,65 @@ kill_events_pids() pm_nl_set_limits() { - local ns=$1 - local addrs=$2 - local subflows=$3 - - if [ $ip_mptcp -eq 1 ]; then - ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows - else - ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows - fi + mptcp_lib_pm_nl_set_limits "${@}" } pm_nl_add_endpoint() { - local ns=$1 - local addr=$2 - local flags _flags - local port _port - local dev _dev - local id _id - local nr=2 - - local p - for p in "${@}" - do - if [ $p = "flags" ]; then - eval _flags=\$"$nr" - [ -n "$_flags" ]; flags="flags $_flags" - fi - if [ $p = "dev" ]; then - eval _dev=\$"$nr" - [ -n "$_dev" ]; dev="dev $_dev" - fi - if [ $p = "id" ]; then - eval _id=\$"$nr" - [ -n "$_id" ]; id="id $_id" - fi - if [ $p = "port" ]; then - eval _port=\$"$nr" - [ -n "$_port" ]; port="port $_port" - fi - - nr=$((nr + 1)) - done - - if [ $ip_mptcp -eq 1 ]; then - ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port - else - ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port - fi + mptcp_lib_pm_nl_add_endpoint "${@}" } pm_nl_del_endpoint() { - local ns=$1 - local id=$2 - local addr=$3 - - if [ $ip_mptcp -eq 1 ]; then - [ $id -ne 0 ] && addr='' - ip -n $ns mptcp endpoint delete id $id $addr - else - ip netns exec $ns ./pm_nl_ctl del $id $addr - fi + mptcp_lib_pm_nl_del_endpoint "${@}" } pm_nl_flush_endpoint() { - local ns=$1 - - if [ $ip_mptcp -eq 1 ]; then - ip -n $ns mptcp endpoint flush - else - ip netns exec $ns ./pm_nl_ctl flush - fi + mptcp_lib_pm_nl_flush_endpoint "${@}" } pm_nl_show_endpoints() { - local ns=$1 - - if [ $ip_mptcp -eq 1 ]; then - ip -n $ns mptcp endpoint show - else - ip netns exec $ns ./pm_nl_ctl dump - fi + mptcp_lib_pm_nl_show_endpoints "${@}" } pm_nl_change_endpoint() { - local ns=$1 - local id=$2 - local flags=$3 - - if [ $ip_mptcp -eq 1 ]; then - ip -n $ns mptcp endpoint change id $id ${flags//","/" "} - else - ip netns exec $ns ./pm_nl_ctl set id $id flags $flags - fi + mptcp_lib_pm_nl_change_endpoint "${@}" } pm_nl_check_endpoint() { - local line expected_line local msg="$1" local ns=$2 local addr=$3 - local _flags="" - local flags - local _port - local port - local dev - local _id - local id + local flags dev id port print_check "${msg}" shift 3 while [ -n "$1" ]; do - if [ $1 = "flags" ]; then - _flags=$2 - [ -n "$_flags" ]; flags="flags $_flags" + case "${1}" in + "flags" | "dev" | "id" | "port") + eval "${1}"="${2}" shift - elif [ $1 = "dev" ]; then - [ -n "$2" ]; dev="dev $2" - shift - elif [ $1 = "id" ]; then - _id=$2 - [ -n "$_id" ]; id="id $_id" - shift - elif [ $1 = "port" ]; then - _port=$2 - [ -n "$_port" ]; port=" port $_port" - shift - fi + ;; + *) + ;; + esac shift done - if [ -z "$id" ]; then - test_fail "bad test - missing endpoint id" + if [ -z "${id}" ]; then + fail_test "bad test - missing endpoint id" return fi - if [ $ip_mptcp -eq 1 ]; then - # get line and trim trailing whitespace - line=$(ip -n $ns mptcp endpoint show $id) - line="${line% }" - # the dump order is: address id flags port dev - [ -n "$addr" ] && expected_line="$addr" - expected_line+=" $id" - [ -n "$_flags" ] && expected_line+=" ${_flags//","/" "}" - [ -n "$dev" ] && expected_line+=" $dev" - [ -n "$port" ] && expected_line+=" $port" - else - line=$(ip netns exec $ns ./pm_nl_ctl get $_id) - # the dump order is: id flags dev address port - expected_line="$id" - [ -n "$flags" ] && expected_line+=" $flags" - [ -n "$dev" ] && expected_line+=" $dev" - [ -n "$addr" ] && expected_line+=" $addr" - [ -n "$_port" ] && expected_line+=" $_port" - fi - if [ "$line" = "$expected_line" ]; then - print_ok - else - fail_test "expected '$expected_line' found '$line'" - fi + check_output "mptcp_lib_pm_nl_get_endpoint ${ns} ${id}" \ + "$(mptcp_lib_pm_nl_format_endpoints \ + "${id},${addr},${flags//","/" "},${dev},${port}")" } pm_nl_set_endpoint() @@ -938,7 +867,7 @@ chk_cestab_nr() local cestab=$2 local count - print_check "cestab $cestab" + print_check "currently established: $cestab" count=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPCurrEstab") if [ -z "$count" ]; then print_skip @@ -960,40 +889,62 @@ check_cestab() fi } -do_transfer() +cond_start_capture() { - local listener_ns="$1" - local connector_ns="$2" - local cl_proto="$3" - local srv_proto="$4" - local connect_addr="$5" - - local port=$((10000 + MPTCP_LIB_TEST_COUNTER - 1)) - local cappid - local FAILING_LINKS=${FAILING_LINKS:-""} - local fastclose=${fastclose:-""} - local speed=${speed:-"fast"} + local ns="$1" - :> "$cout" - :> "$sout" :> "$capout" if $capture; then - local capuser - if [ -z $SUDO_USER ] ; then + local capuser capfile + if [ -z $SUDO_USER ]; then capuser="" else capuser="-Z $SUDO_USER" fi - capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "${listener_ns}") + capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "$ns") echo "Capturing traffic for test $MPTCP_LIB_TEST_COUNTER into $capfile" - ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & + ip netns exec "$ns" tcpdump -i any -s 65535 -B 32768 $capuser -w "$capfile" > "$capout" 2>&1 & cappid=$! sleep 1 fi +} + +cond_stop_capture() +{ + if $capture; then + sleep 1 + kill $cappid + cat "$capout" + fi +} + +get_port() +{ + echo "$((10000 + MPTCP_LIB_TEST_COUNTER - 1))" +} + +do_transfer() +{ + local listener_ns="$1" + local connector_ns="$2" + local cl_proto="$3" + local srv_proto="$4" + local connect_addr="$5" + local port + + local FAILING_LINKS=${FAILING_LINKS:-""} + local fastclose=${fastclose:-""} + local speed=${speed:-"fast"} + port=$(get_port) + + :> "$cout" + :> "$sout" + + cond_start_capture ${listener_ns} NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat -n @@ -1080,10 +1031,7 @@ do_transfer() wait $spid local rets=$? - if $capture; then - sleep 1 - kill $cappid - fi + cond_stop_capture NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat | grep Tcp > /tmp/${listener_ns}.out @@ -1092,14 +1040,8 @@ do_transfer() if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then fail_test "client exit code $retc, server $rets" - 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" + mptcp_lib_pr_err_stats "${listener_ns}" "${connector_ns}" "${port}" \ + "/tmp/${listener_ns}.out" "/tmp/${connector_ns}.out" return 1 fi @@ -1116,13 +1058,7 @@ do_transfer() fi rets=$? - if [ $retc -eq 0 ] && [ $rets -eq 0 ];then - cat "$capout" - return 0 - fi - - cat "$capout" - return 1 + [ $retc -eq 0 ] && [ $rets -eq 0 ] } make_file() @@ -1214,28 +1150,29 @@ chk_csum_nr() csum_ns2=${csum_ns2:1} fi - print_check "sum" + print_check "checksum server" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtDataCsumErr") - if [ "$count" != "$csum_ns1" ]; then + if [ -n "$count" ] && [ "$count" != "$csum_ns1" ]; then extra_msg+=" ns1=$count" fi if [ -z "$count" ]; then print_skip elif { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } || - { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then + { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then fail_test "got $count data checksum error[s] expected $csum_ns1" else print_ok fi - print_check "csum" + + print_check "checksum client" count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtDataCsumErr") - if [ "$count" != "$csum_ns2" ]; then + if [ -n "$count" ] && [ "$count" != "$csum_ns2" ]; then extra_msg+=" ns2=$count" fi if [ -z "$count" ]; then print_skip elif { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } || - { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then + { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then fail_test "got $count data checksum error[s] expected $csum_ns2" else print_ok @@ -1252,6 +1189,8 @@ chk_fail_nr() local count local ns_tx=$ns1 local ns_rx=$ns2 + local tx="server" + local rx="client" local extra_msg="" local allow_tx_lost=0 local allow_rx_lost=0 @@ -1259,7 +1198,8 @@ chk_fail_nr() if [[ $ns_invert = "invert" ]]; then ns_tx=$ns2 ns_rx=$ns1 - extra_msg="invert" + tx="client" + rx="server" fi if [[ "${fail_tx}" = "-"* ]]; then @@ -1271,29 +1211,29 @@ chk_fail_nr() fail_rx=${fail_rx:1} fi - print_check "ftx" + print_check "fail tx ${tx}" count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFailTx") - if [ "$count" != "$fail_tx" ]; then - extra_msg+=",tx=$count" + if [ -n "$count" ] && [ "$count" != "$fail_tx" ]; then + extra_msg+=" tx=$count" fi if [ -z "$count" ]; then print_skip elif { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } || - { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then + { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then fail_test "got $count MP_FAIL[s] TX expected $fail_tx" else print_ok fi - print_check "failrx" + print_check "fail rx ${rx}" count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFailRx") - if [ "$count" != "$fail_rx" ]; then - extra_msg+=",rx=$count" + if [ -n "$count" ] && [ "$count" != "$fail_rx" ]; then + extra_msg+=" rx=$count" fi if [ -z "$count" ]; then print_skip elif { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } || - { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then + { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then fail_test "got $count MP_FAIL[s] RX expected $fail_rx" else print_ok @@ -1310,37 +1250,35 @@ chk_fclose_nr() local count local ns_tx=$ns2 local ns_rx=$ns1 - local extra_msg="" + local tx="client" + local rx="server" if [[ $ns_invert = "invert" ]]; then ns_tx=$ns1 ns_rx=$ns2 - extra_msg="invert" + tx="server" + rx="client" fi - print_check "ctx" + print_check "fast close tx ${tx}" count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFastcloseTx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$fclose_tx" ]; then - extra_msg+=",tx=$count" fail_test "got $count MP_FASTCLOSE[s] TX expected $fclose_tx" else print_ok fi - print_check "fclzrx" + print_check "fast close rx ${rx}" count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFastcloseRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$fclose_rx" ]; then - extra_msg+=",rx=$count" fail_test "got $count MP_FASTCLOSE[s] RX expected $fclose_rx" else print_ok fi - - print_info "$extra_msg" } chk_rst_nr() @@ -1351,15 +1289,17 @@ chk_rst_nr() local count local ns_tx=$ns1 local ns_rx=$ns2 - local extra_msg="" + local tx="server" + local rx="client" if [[ $ns_invert = "invert" ]]; then ns_tx=$ns2 ns_rx=$ns1 - extra_msg="invert" + tx="client" + rx="server" fi - print_check "rtx" + print_check "reset tx ${tx}" count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPRstTx") if [ -z "$count" ]; then print_skip @@ -1371,7 +1311,7 @@ chk_rst_nr() print_ok fi - print_check "rstrx" + print_check "reset rx ${rx}" count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPRstRx") if [ -z "$count" ]; then print_skip @@ -1382,8 +1322,6 @@ chk_rst_nr() else print_ok fi - - print_info "$extra_msg" } chk_infi_nr() @@ -1392,7 +1330,7 @@ chk_infi_nr() local infi_rx=$2 local count - print_check "itx" + print_check "infi tx client" count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtInfiniteMapTx") if [ -z "$count" ]; then print_skip @@ -1402,7 +1340,7 @@ chk_infi_nr() print_ok fi - print_check "infirx" + print_check "infi rx server" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtInfiniteMapRx") if [ -z "$count" ]; then print_skip @@ -1413,17 +1351,67 @@ chk_infi_nr() fi } +chk_join_tx_nr() +{ + local syn_tx=${join_syn_tx:-0} + local create=${join_create_err:-0} + local bind=${join_bind_err:-0} + local connect=${join_connect_err:-0} + local rc=${KSFT_PASS} + local count + + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynTx") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "$syn_tx" ]; then + rc=${KSFT_FAIL} + print_check "syn tx" + fail_test "got $count JOIN[s] syn tx expected $syn_tx" + fi + + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynTxCreatSkErr") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "$create" ]; then + rc=${KSFT_FAIL} + print_check "syn tx create socket error" + fail_test "got $count JOIN[s] syn tx create socket error expected $create" + fi + + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynTxBindErr") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "$bind" ]; then + rc=${KSFT_FAIL} + print_check "syn tx bind error" + fail_test "got $count JOIN[s] syn tx bind error expected $bind" + fi + + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynTxConnectErr") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "$connect" ]; then + rc=${KSFT_FAIL} + print_check "syn tx connect error" + fail_test "got $count JOIN[s] syn tx connect error expected $connect" + fi + + print_results "join Tx" ${rc} +} + chk_join_nr() { local syn_nr=$1 local syn_ack_nr=$2 local ack_nr=$3 - local csum_ns1=${4:-0} - local csum_ns2=${5:-0} - local fail_nr=${6:-0} - local rst_nr=${7:-0} - local infi_nr=${8:-0} - local corrupted_pkts=${9:-0} + local syn_rej=${join_syn_rej:-0} + local csum_ns1=${join_csum_ns1:-0} + local csum_ns2=${join_csum_ns2:-0} + local fail_nr=${join_fail_nr:-0} + local rst_nr=${join_rst_nr:-0} + local infi_nr=${join_infi_nr:-0} + local corrupted_pkts=${join_corrupted_pkts:-0} + local rc=${KSFT_PASS} local count local with_cookie @@ -1431,43 +1419,71 @@ chk_join_nr() print_info "${corrupted_pkts} corrupted pkts" fi - print_check "syn" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinSynRx") if [ -z "$count" ]; then - print_skip + rc=${KSFT_SKIP} elif [ "$count" != "$syn_nr" ]; then - fail_test "got $count JOIN[s] syn expected $syn_nr" - else - print_ok + rc=${KSFT_FAIL} + print_check "syn rx" + fail_test "got $count JOIN[s] syn rx expected $syn_nr" fi - print_check "synack" with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies) count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckRx") if [ -z "$count" ]; then - print_skip + rc=${KSFT_SKIP} elif [ "$count" != "$syn_ack_nr" ]; then # simult connections exceeding the limit with cookie enabled could go up to # synack validation as the conn limit can be enforced reliably only after # the subflow creation - if [ "$with_cookie" = 2 ] && [ "$count" -gt "$syn_ack_nr" ] && [ "$count" -le "$syn_nr" ]; then - print_ok - else - fail_test "got $count JOIN[s] synack expected $syn_ack_nr" + if [ "$with_cookie" != 2 ] || [ "$count" -le "$syn_ack_nr" ] || [ "$count" -gt "$syn_nr" ]; then + rc=${KSFT_FAIL} + print_check "synack rx" + fail_test "got $count JOIN[s] synack rx expected $syn_ack_nr" fi - else - print_ok fi - print_check "ack" + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckHMacFailure") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "0" ]; then + rc=${KSFT_FAIL} + print_check "synack HMAC" + fail_test "got $count JOIN[s] synack HMAC failure expected 0" + fi + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinAckRx") if [ -z "$count" ]; then - print_skip + rc=${KSFT_SKIP} elif [ "$count" != "$ack_nr" ]; then - fail_test "got $count JOIN[s] ack expected $ack_nr" - else - print_ok + rc=${KSFT_FAIL} + print_check "ack rx" + fail_test "got $count JOIN[s] ack rx expected $ack_nr" + fi + + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinAckHMacFailure") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "0" ]; then + rc=${KSFT_FAIL} + print_check "ack HMAC" + fail_test "got $count JOIN[s] ack HMAC failure expected 0" + fi + + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinRejected") + if [ -z "$count" ]; then + rc=${KSFT_SKIP} + elif [ "$count" != "$syn_rej" ]; then + rc=${KSFT_FAIL} + print_check "syn rejected" + fail_test "got $count JOIN[s] syn rejected expected $syn_rej" fi + + print_results "join Rx" ${rc} + + join_syn_tx="${join_syn_tx:-${syn_nr}}" \ + chk_join_tx_nr + if $validate_checksum; then chk_csum_nr $csum_ns1 $csum_ns2 chk_fail_nr $fail_nr $fail_nr @@ -1520,18 +1536,30 @@ 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 ns_invert=${4:-""} + local syn_nr=$port_nr + local syn_ack_nr=$port_nr + local ack_nr=$port_nr + local mis_syn_nr=0 + local mis_ack_nr=0 + local ns_tx=$ns1 + local ns_rx=$ns2 + local tx="" + local rx="" local count local timeout - timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout) + if [[ $ns_invert = "invert" ]]; then + ns_tx=$ns2 + ns_rx=$ns1 + tx=" client" + rx=" server" + fi - print_check "add" - count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtAddAddr") + timeout=$(ip netns exec ${ns_tx} sysctl -n net.mptcp.add_addr_timeout) + + print_check "add addr rx${rx}" + count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtAddAddr") if [ -z "$count" ]; then print_skip # if the test configured a short timeout tolerate greater then expected @@ -1542,8 +1570,8 @@ chk_add_nr() print_ok fi - print_check "echo" - count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtEchoAdd") + print_check "add addr echo rx${tx}" + count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtEchoAdd") if [ -z "$count" ]; then print_skip elif [ "$count" != "$echo_nr" ]; then @@ -1553,8 +1581,8 @@ chk_add_nr() fi if [ $port_nr -gt 0 ]; then - print_check "pt" - count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtPortAdd") + print_check "add addr rx with port${rx}" + count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtPortAdd") if [ -z "$count" ]; then print_skip elif [ "$count" != "$port_nr" ]; then @@ -1563,8 +1591,8 @@ chk_add_nr() print_ok fi - print_check "syn" - count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortSynRx") + print_check "syn rx port${tx}" + count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPJoinPortSynRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$syn_nr" ]; then @@ -1574,8 +1602,8 @@ chk_add_nr() print_ok fi - print_check "synack" - count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx") + print_check "synack rx port${rx}" + count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPJoinPortSynAckRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$syn_ack_nr" ]; then @@ -1585,8 +1613,8 @@ chk_add_nr() print_ok fi - print_check "ack" - count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortAckRx") + print_check "ack rx port${tx}" + count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPJoinPortAckRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$ack_nr" ]; then @@ -1596,8 +1624,8 @@ chk_add_nr() print_ok fi - print_check "syn" - count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortSynRx") + print_check "syn rx port mismatch${tx}" + count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMismatchPortSynRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$mis_syn_nr" ]; then @@ -1607,8 +1635,8 @@ chk_add_nr() print_ok fi - print_check "ack" - count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortAckRx") + print_check "ack rx port mismatch${tx}" + count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMismatchPortAckRx") if [ -z "$count" ]; then print_skip elif [ "$count" != "$mis_ack_nr" ]; then @@ -1629,7 +1657,7 @@ chk_add_tx_nr() timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout) - print_check "add TX" + print_check "add addr tx" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTx") if [ -z "$count" ]; then print_skip @@ -1641,7 +1669,7 @@ chk_add_tx_nr() print_ok fi - print_check "echo TX" + print_check "add addr echo tx" count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtEchoAddTx") if [ -z "$count" ]; then print_skip @@ -1661,6 +1689,8 @@ chk_rm_nr() local count local addr_ns=$ns1 local subflow_ns=$ns2 + local addr="server" + local subflow="client" local extra_msg="" shift 2 @@ -1670,16 +1700,14 @@ chk_rm_nr() shift done - if [ -z $invert ]; then - addr_ns=$ns1 - subflow_ns=$ns2 - elif [ $invert = "true" ]; then + if [ "$invert" = "true" ]; then addr_ns=$ns2 subflow_ns=$ns1 - extra_msg="invert" + addr="client" + subflow="server" fi - print_check "rm" + print_check "rm addr rx ${addr}" count=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmAddr") if [ -z "$count" ]; then print_skip @@ -1689,7 +1717,7 @@ chk_rm_nr() print_ok fi - print_check "rmsf" + print_check "rm subflow ${subflow}" count=$(mptcp_lib_get_counter ${subflow_ns} "MPTcpExtRmSubflow") if [ -z "$count" ]; then print_skip @@ -1703,7 +1731,7 @@ chk_rm_nr() count=$((count + cnt)) if [ "$count" != "$rm_subflow_nr" ]; then suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]" - extra_msg+=" simult" + extra_msg="simult" fi if [ $count -ge "$rm_subflow_nr" ] && \ [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then @@ -1724,7 +1752,7 @@ chk_rm_tx_nr() { local rm_addr_tx_nr=$1 - print_check "rm TX" + print_check "rm addr tx client" count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtRmAddrTx") if [ -z "$count" ]; then print_skip @@ -1739,9 +1767,11 @@ chk_prio_nr() { local mp_prio_nr_tx=$1 local mp_prio_nr_rx=$2 + local mpj_syn=$3 + local mpj_syn_ack=$4 local count - print_check "ptx" + print_check "mp_prio tx server" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioTx") if [ -z "$count" ]; then print_skip @@ -1751,7 +1781,7 @@ chk_prio_nr() print_ok fi - print_check "prx" + print_check "mp_prio rx client" count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioRx") if [ -z "$count" ]; then print_skip @@ -1760,6 +1790,26 @@ chk_prio_nr() else print_ok fi + + print_check "syn backup" + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinSynBackupRx") + if [ -z "$count" ]; then + print_skip + elif [ "$count" != "$mpj_syn" ]; then + fail_test "got $count JOIN[s] syn with Backup expected $mpj_syn" + else + print_ok + fi + + print_check "synack backup" + count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckBackupRx") + if [ -z "$count" ]; then + print_skip + elif [ "$count" != "$mpj_syn_ack" ]; then + fail_test "got $count JOIN[s] synack with Backup expected $mpj_syn_ack" + else + print_ok + fi } chk_subflow_nr() @@ -1924,7 +1974,8 @@ subflows_tests() pm_nl_set_limits $ns2 0 1 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 0 + join_syn_rej=1 \ + chk_join_nr 1 1 0 fi # subflow @@ -1953,7 +2004,8 @@ subflows_tests() pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 2 2 1 + join_syn_rej=1 \ + chk_join_nr 2 2 1 fi # single subflow, dev @@ -1974,9 +2026,11 @@ subflows_error_tests() pm_nl_set_limits $ns1 0 1 pm_nl_set_limits $ns2 0 1 pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow + pm_nl_add_endpoint $ns2 10.0.12.2 flags subflow speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 + join_bind_err=1 \ + chk_join_nr 0 0 0 fi # multiple subflows, with subflow creation error @@ -1988,7 +2042,8 @@ subflows_error_tests() pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=2 \ + chk_join_nr 1 1 1 fi # multiple subflows, with subflow timeout on MPJ @@ -2000,7 +2055,8 @@ subflows_error_tests() pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=2 \ + chk_join_nr 1 1 1 fi # multiple subflows, check that the endpoint corresponding to @@ -2021,7 +2077,8 @@ subflows_error_tests() # additional subflow could be created only if the PM select # the later endpoint, skipping the already used one - chk_join_nr 1 1 1 + join_syn_tx=2 \ + chk_join_nr 1 1 1 fi } @@ -2060,6 +2117,21 @@ signal_address_tests() chk_add_nr 1 1 fi + # uncommon: subflow and signal flags on the same endpoint + # or because the user wrongly picked both, but still expects the client + # to create additional subflows + if reset "subflow and signal together"; then + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 0 2 + pm_nl_add_endpoint $ns2 10.0.3.2 flags signal,subflow + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr 1 1 1 + chk_add_nr 1 1 0 invert # only initiated by ns2 + chk_add_nr 0 0 0 # none initiated by ns1 + chk_rst_nr 0 0 invert # no RST sent by the client + chk_rst_nr 0 0 # no RST sent by the server + fi + # accept and use add_addr with additional subflows if reset "multiple subflows and signal"; then pm_nl_set_limits $ns1 0 3 @@ -2092,7 +2164,8 @@ signal_address_tests() pm_nl_add_endpoint $ns1 10.0.14.1 flags signal pm_nl_set_limits $ns2 3 3 run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=3 \ + chk_join_nr 1 1 1 chk_add_nr 3 3 fi @@ -2260,7 +2333,8 @@ add_addr_timeout_tests() pm_nl_set_limits $ns2 2 2 speed=10 \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=2 \ + chk_join_nr 1 1 1 chk_add_nr 8 0 fi } @@ -2354,12 +2428,14 @@ remove_tests() if reset "remove invalid addresses"; then pm_nl_set_limits $ns1 3 3 pm_nl_add_endpoint $ns1 10.0.12.1 flags signal + # broadcast IP: no packet for this address will be received on ns1 + pm_nl_add_endpoint $ns1 224.0.0.1 flags signal pm_nl_add_endpoint $ns1 10.0.3.1 flags signal - pm_nl_add_endpoint $ns1 10.0.14.1 flags signal - pm_nl_set_limits $ns2 3 3 + pm_nl_set_limits $ns2 2 2 addr_nr_ns1=-3 speed=10 \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=2 join_connect_err=1 \ + chk_join_nr 1 1 1 chk_add_nr 3 3 chk_rm_nr 3 1 invert chk_rst_nr 0 0 @@ -2424,7 +2500,8 @@ remove_tests() pm_nl_set_limits $ns2 3 3 addr_nr_ns1=-8 speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 + join_syn_tx=3 \ + chk_join_nr 1 1 1 chk_add_nr 3 3 chk_rm_nr 3 1 invert chk_rst_nr 0 0 @@ -2716,33 +2793,46 @@ backup_tests() sflags=nobackup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 1 1 1 - chk_prio_nr 0 1 + chk_prio_nr 0 1 1 0 fi # single address, backup if reset "single address, backup" && continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then pm_nl_set_limits $ns1 0 1 + pm_nl_add_endpoint $ns1 10.0.2.1 flags signal,backup + pm_nl_set_limits $ns2 1 1 + sflags=nobackup speed=slow \ + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr 1 1 1 + chk_add_nr 1 1 + chk_prio_nr 1 0 0 1 + fi + + # single address, switch to backup + if reset "single address, switch to backup" && + continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + pm_nl_set_limits $ns1 0 1 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal pm_nl_set_limits $ns2 1 1 sflags=backup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 1 1 1 chk_add_nr 1 1 - chk_prio_nr 1 1 + chk_prio_nr 1 1 0 0 fi # single address with port, backup if reset "single address with port, backup" && continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then pm_nl_set_limits $ns1 0 1 - pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 + pm_nl_add_endpoint $ns1 10.0.2.1 flags signal,backup port 10100 pm_nl_set_limits $ns2 1 1 - sflags=backup speed=slow \ + sflags=nobackup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 1 1 1 chk_add_nr 1 1 - chk_prio_nr 1 1 + chk_prio_nr 1 0 0 1 fi if reset "mpc backup" && @@ -2751,17 +2841,26 @@ backup_tests() speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 0 0 0 - chk_prio_nr 0 1 + chk_prio_nr 0 1 0 0 fi if reset "mpc backup both sides" && continue_if mptcp_lib_kallsyms_doesnt_have "T mptcp_subflow_send_ack$"; then - pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 1 2 + pm_nl_add_endpoint $ns1 10.0.1.1 flags signal,backup pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup + + # 10.0.2.2 (non-backup) -> 10.0.1.1 (backup) + pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow + # 10.0.1.2 (backup) -> 10.0.2.1 (non-backup) + pm_nl_add_endpoint $ns1 10.0.2.1 flags signal + ip -net "$ns2" route add 10.0.2.1 via 10.0.1.1 dev ns2eth1 # force this path + speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 - chk_prio_nr 1 1 + chk_join_nr 2 2 2 + chk_prio_nr 1 1 1 1 fi if reset "mpc switch to backup" && @@ -2770,7 +2869,7 @@ backup_tests() sflags=backup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 0 0 0 - chk_prio_nr 0 1 + chk_prio_nr 0 1 0 0 fi if reset "mpc switch to backup both sides" && @@ -2780,7 +2879,7 @@ backup_tests() sflags=backup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 0 0 0 - chk_prio_nr 1 1 + chk_prio_nr 1 1 0 0 fi } @@ -2813,6 +2912,32 @@ verify_listener_events() fail_test } +chk_mpc_endp_attempt() +{ + local retl=$1 + local attempts=$2 + + print_check "Connect" + + if [ ${retl} = 124 ]; then + fail_test "timeout on connect" + elif [ ${retl} = 0 ]; then + fail_test "unexpected successful connect" + else + print_ok + + print_check "Attempts" + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPCapableEndpAttempt") + if [ -z "$count" ]; then + print_skip + elif [ "$count" != "$attempts" ]; then + fail_test "got ${count} MPC attempt[s] on port-based endpoint, expected ${attempts}" + else + print_ok + fi + fi +} + add_addr_ports_tests() { # signal address with port @@ -2903,6 +3028,22 @@ add_addr_ports_tests() chk_join_nr 2 2 2 chk_add_nr 2 2 2 fi + + if reset "port-based signal endpoint must not accept mpc"; then + local port retl count + port=$(get_port) + + cond_start_capture ${ns1} + pm_nl_add_endpoint ${ns1} 10.0.2.1 flags signal port ${port} + mptcp_lib_wait_local_port_listen ${ns1} ${port} + + timeout 1 ip netns exec ${ns2} \ + ./mptcp_connect -t ${timeout_poll} -p $port -s MPTCP 10.0.2.1 >/dev/null 2>&1 + retl=$? + cond_stop_capture + + chk_mpc_endp_attempt ${retl} 1 + fi } syncookies_tests() @@ -2933,7 +3074,8 @@ syncookies_tests() pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 2 1 1 + join_syn_rej=1 \ + chk_join_nr 2 1 1 fi # test signal address with cookies @@ -2972,37 +3114,16 @@ syncookies_tests() checksum_tests() { - # checksum test 0 0 - if reset_with_checksum 0 0; then - pm_nl_set_limits $ns1 0 1 - pm_nl_set_limits $ns2 0 1 - run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 - fi - - # checksum test 1 1 - if reset_with_checksum 1 1; then - pm_nl_set_limits $ns1 0 1 - pm_nl_set_limits $ns2 0 1 - run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 - fi - - # checksum test 0 1 - if reset_with_checksum 0 1; then - pm_nl_set_limits $ns1 0 1 - pm_nl_set_limits $ns2 0 1 - run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 - fi - - # checksum test 1 0 - if reset_with_checksum 1 0; then - pm_nl_set_limits $ns1 0 1 - pm_nl_set_limits $ns2 0 1 - run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 - fi + local checksum_enable + for checksum_enable in "0 0" "1 1" "0 1" "1 0"; do + # checksum test 0 0, 1 1, 0 1, 1 0 + if reset_with_checksum ${checksum_enable}; then + pm_nl_set_limits $ns1 0 1 + pm_nl_set_limits $ns2 0 1 + run_tests $ns1 $ns2 10.0.1.1 + chk_join_nr 0 0 0 + fi + done } deny_join_id0_tests() @@ -3091,6 +3212,9 @@ fullmesh_tests() pm_nl_set_limits $ns1 1 3 pm_nl_set_limits $ns2 1 3 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal + if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then + pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,fullmesh + fi fullmesh=1 speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 3 3 3 @@ -3157,7 +3281,7 @@ fullmesh_tests() addr_nr_ns2=1 sflags=backup,fullmesh speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 2 2 2 - chk_prio_nr 0 1 + chk_prio_nr 0 1 1 0 chk_rm_nr 0 1 fi @@ -3170,7 +3294,7 @@ fullmesh_tests() sflags=nobackup,nofullmesh speed=slow \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 2 2 2 - chk_prio_nr 0 1 + chk_prio_nr 0 1 1 0 chk_rm_nr 0 1 fi } @@ -3178,6 +3302,7 @@ fullmesh_tests() fastclose_tests() { if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then + MPTCP_LIB_SUBTEST_FLAKY=1 test_linkfail=1024 fastclose=client \ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr 0 0 0 @@ -3186,9 +3311,11 @@ fastclose_tests() fi if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then + MPTCP_LIB_SUBTEST_FLAKY=1 test_linkfail=1024 fastclose=server \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 0 0 0 1 + join_rst_nr=1 \ + chk_join_nr 0 0 0 chk_fclose_nr 1 1 invert chk_rst_nr 1 1 fi @@ -3204,21 +3331,29 @@ fail_tests() { # single subflow if reset_with_fail "Infinite map" 1; then + MPTCP_LIB_SUBTEST_FLAKY=1 test_linkfail=128 \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)" + join_csum_ns1=+1 join_csum_ns2=+0 \ + join_fail_nr=1 join_rst_nr=0 join_infi_nr=1 \ + join_corrupted_pkts="$(pedit_action_pkts)" \ + chk_join_nr 0 0 0 chk_fail_nr 1 -1 invert fi # multiple subflows if reset_with_fail "MP_FAIL MP_RST" 2; then - tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5 + MPTCP_LIB_SUBTEST_FLAKY=1 + tc -n $ns2 qdisc add dev ns2eth1 root netem rate 1mbit delay 5ms pm_nl_set_limits $ns1 0 1 pm_nl_set_limits $ns2 0 1 pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow test_linkfail=1024 \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)" + join_csum_ns1=1 join_csum_ns2=0 \ + join_fail_nr=1 join_rst_nr=1 join_infi_nr=0 \ + join_corrupted_pkts="$(pedit_action_pkts)" \ + chk_join_nr 1 1 1 fi } @@ -3360,6 +3495,36 @@ userspace_pm_chk_get_addr() fi } +# $1: ns ; $2: event type ; $3: count +chk_evt_nr() +{ + local ns=${1} + local evt_name="${2}" + local exp="${3}" + + local evts="${evts_ns1}" + local evt="${!evt_name}" + local count + + evt_name="${evt_name:16}" # without MPTCP_LIB_EVENT_ + [ "${ns}" == "ns2" ] && evts="${evts_ns2}" + + print_check "event ${ns} ${evt_name} (${exp})" + + if [[ "${evt_name}" = "LISTENER_"* ]] && + ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then + print_skip "event not supported" + return + fi + + count=$(grep -cw "type:${evt}" "${evts}") + if [ "${count}" != "${exp}" ]; then + fail_test "got ${count} events, expected ${exp}" + else + print_ok + fi +} + userspace_tests() { # userspace pm type prevents add_addr @@ -3394,7 +3559,8 @@ userspace_tests() pm_nl_set_limits $ns2 1 1 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 0 + join_syn_rej=1 \ + chk_join_nr 1 1 0 fi # userspace pm type does not send join @@ -3417,8 +3583,9 @@ userspace_tests() pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow sflags=backup speed=slow \ run_tests $ns1 $ns2 10.0.1.1 - chk_join_nr 1 1 0 - chk_prio_nr 0 0 + join_syn_rej=1 \ + chk_join_nr 1 1 0 + chk_prio_nr 0 0 0 0 fi # userspace pm type prevents rm_addr @@ -3440,8 +3607,8 @@ userspace_tests() continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns1 pm_nl_set_limits $ns2 2 2 - speed=5 \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns1 userspace_pm_add_addr $ns1 10.0.2.1 10 @@ -3456,14 +3623,12 @@ userspace_tests() "signal" userspace_pm_chk_get_addr "${ns1}" "10" "id 10 flags signal 10.0.2.1" userspace_pm_chk_get_addr "${ns1}" "20" "id 20 flags signal 10.0.3.1" - userspace_pm_rm_addr $ns1 10 userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $MPTCP_LIB_EVENT_SUB_ESTABLISHED userspace_pm_chk_dump_addr "${ns1}" \ - "id 20 flags signal 10.0.3.1" "after rm_addr 10" + "id 20 flags signal 10.0.3.1" "after rm_sf 10" userspace_pm_rm_addr $ns1 20 - userspace_pm_rm_sf $ns1 10.0.3.1 $MPTCP_LIB_EVENT_SUB_ESTABLISHED userspace_pm_chk_dump_addr "${ns1}" "" "after rm_addr 20" - chk_rm_nr 2 2 invert + chk_rm_nr 1 1 invert chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 kill_events_pids @@ -3475,8 +3640,8 @@ userspace_tests() continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns2 pm_nl_set_limits $ns1 0 1 - speed=5 \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns2 userspace_pm_add_sf $ns2 10.0.3.2 20 @@ -3487,12 +3652,11 @@ userspace_tests() "id 20 flags subflow 10.0.3.2" \ "subflow" userspace_pm_chk_get_addr "${ns2}" "20" "id 20 flags subflow 10.0.3.2" - userspace_pm_rm_addr $ns2 20 userspace_pm_rm_sf $ns2 10.0.3.2 $MPTCP_LIB_EVENT_SUB_ESTABLISHED userspace_pm_chk_dump_addr "${ns2}" \ "" \ - "after rm_addr 20" - chk_rm_nr 1 1 + "after rm_sf 20" + chk_rm_nr 0 1 chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 kill_events_pids @@ -3504,8 +3668,8 @@ userspace_tests() continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns2 pm_nl_set_limits $ns1 0 1 - speed=5 \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns2 chk_mptcp_info subflows 0 subflows 0 @@ -3525,8 +3689,8 @@ userspace_tests() continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns2 pm_nl_set_limits $ns1 0 1 - speed=5 \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns2 userspace_pm_add_sf $ns2 10.0.3.2 20 @@ -3549,8 +3713,8 @@ userspace_tests() continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns1 pm_nl_set_limits $ns2 1 1 - speed=5 \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns1 userspace_pm_add_addr $ns1 10.0.2.1 10 @@ -3580,8 +3744,8 @@ endpoint_tests() pm_nl_set_limits $ns1 2 2 pm_nl_set_limits $ns2 2 2 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal - speed=slow \ - run_tests $ns1 $ns2 10.0.1.1 & + { speed=slow \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns1 @@ -3600,31 +3764,185 @@ endpoint_tests() mptcp_lib_kill_wait $tests_pid fi - if reset "delete and re-add" && + if reset_with_tcp_filter "delete and re-add" ns2 10.0.3.2 REJECT OUTPUT && mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then - pm_nl_set_limits $ns1 1 1 - pm_nl_set_limits $ns2 1 1 + start_events + pm_nl_set_limits $ns1 0 3 + pm_nl_set_limits $ns2 0 3 + pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow - test_linkfail=4 speed=20 \ - run_tests $ns1 $ns2 10.0.1.1 & + { test_linkfail=4 speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null local tests_pid=$! wait_mpj $ns2 pm_nl_check_endpoint "creation" \ $ns2 10.0.2.2 id 2 flags subflow dev ns2eth2 - chk_subflow_nr "before delete" 2 + chk_subflow_nr "before delete id 2" 2 chk_mptcp_info subflows 1 subflows 1 pm_nl_del_endpoint $ns2 2 10.0.2.2 sleep 0.5 - chk_subflow_nr "after delete" 1 + chk_subflow_nr "after delete id 2" 1 chk_mptcp_info subflows 0 subflows 0 - pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow + pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow wait_mpj $ns2 - chk_subflow_nr "after re-add" 2 + chk_subflow_nr "after re-add id 2" 2 + chk_mptcp_info subflows 1 subflows 1 + + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_attempt_fail $ns2 + chk_subflow_nr "after new reject" 2 chk_mptcp_info subflows 1 subflows 1 + + ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT + pm_nl_del_endpoint $ns2 3 10.0.3.2 + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_mpj $ns2 + chk_subflow_nr "after no reject" 3 + chk_mptcp_info subflows 2 subflows 2 + + local i + for i in $(seq 3); do + pm_nl_del_endpoint $ns2 1 10.0.1.2 + sleep 0.5 + chk_subflow_nr "after delete id 0 ($i)" 2 + chk_mptcp_info subflows 2 subflows 2 # only decr for additional sf + + pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow + wait_mpj $ns2 + chk_subflow_nr "after re-add id 0 ($i)" 3 + chk_mptcp_info subflows 3 subflows 3 + done + mptcp_lib_kill_wait $tests_pid + + kill_events_pids + chk_evt_nr ns1 MPTCP_LIB_EVENT_LISTENER_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_REMOVED 4 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_ESTABLISHED 6 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_CLOSED 4 + + chk_evt_nr ns2 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns2 MPTCP_LIB_EVENT_REMOVED 0 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_ESTABLISHED 6 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_CLOSED 5 # one has been closed before estab + + join_syn_tx=7 \ + chk_join_nr 6 6 6 + chk_rm_nr 4 4 + fi + + # remove and re-add + if reset_with_events "delete re-add signal" && + mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + pm_nl_set_limits $ns1 0 3 + pm_nl_set_limits $ns2 3 3 + pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal + # broadcast IP: no packet for this address will be received on ns1 + pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal + pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal + { test_linkfail=4 speed=5 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null + local tests_pid=$! + + wait_mpj $ns2 + pm_nl_check_endpoint "creation" \ + $ns1 10.0.2.1 id 1 flags signal + chk_subflow_nr "before delete" 2 + chk_mptcp_info subflows 1 subflows 1 + + pm_nl_del_endpoint $ns1 1 10.0.2.1 + pm_nl_del_endpoint $ns1 2 224.0.0.1 + sleep 0.5 + chk_subflow_nr "after delete" 1 + chk_mptcp_info subflows 0 subflows 0 + + pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal + pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal + wait_mpj $ns2 + chk_subflow_nr "after re-add" 3 + chk_mptcp_info subflows 2 subflows 2 + + pm_nl_del_endpoint $ns1 42 10.0.1.1 + sleep 0.5 + chk_subflow_nr "after delete ID 0" 2 + chk_mptcp_info subflows 2 subflows 2 + + pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal + wait_mpj $ns2 + chk_subflow_nr "after re-add ID 0" 3 + chk_mptcp_info subflows 3 subflows 3 + + pm_nl_del_endpoint $ns1 99 10.0.1.1 + sleep 0.5 + chk_subflow_nr "after re-delete ID 0" 2 + chk_mptcp_info subflows 2 subflows 2 + + pm_nl_add_endpoint $ns1 10.0.1.1 id 88 flags signal + wait_mpj $ns2 + chk_subflow_nr "after re-re-add ID 0" 3 + chk_mptcp_info subflows 3 subflows 3 + mptcp_lib_kill_wait $tests_pid + + kill_events_pids + chk_evt_nr ns1 MPTCP_LIB_EVENT_LISTENER_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_REMOVED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_ESTABLISHED 5 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_CLOSED 3 + + chk_evt_nr ns2 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ANNOUNCED 6 + chk_evt_nr ns2 MPTCP_LIB_EVENT_REMOVED 4 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_ESTABLISHED 5 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_CLOSED 3 + + join_connect_err=1 \ + chk_join_nr 5 5 5 + chk_add_nr 6 6 + chk_rm_nr 4 3 invert + fi + + # flush and re-add + if reset_with_tcp_filter "flush re-add" ns2 10.0.3.2 REJECT OUTPUT && + mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 1 2 + # broadcast IP: no packet for this address will be received on ns1 + pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + { test_linkfail=4 speed=20 \ + run_tests $ns1 $ns2 10.0.1.1 & } 2>/dev/null + local tests_pid=$! + + wait_attempt_fail $ns2 + chk_subflow_nr "before flush" 1 + chk_mptcp_info subflows 0 subflows 0 + + pm_nl_flush_endpoint $ns2 + pm_nl_flush_endpoint $ns1 + wait_rm_addr $ns2 0 + ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_mpj $ns2 + pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal + wait_mpj $ns2 + mptcp_lib_kill_wait $tests_pid + + join_syn_tx=3 join_connect_err=1 \ + chk_join_nr 2 2 2 + chk_add_nr 2 2 + chk_rm_nr 1 0 invert fi } @@ -3702,7 +4020,7 @@ while getopts "${all_tests_args}cCih" opt; do checksum=true ;; i) - ip_mptcp=1 + mptcp_lib_set_ip_mptcp ;; h) usage @@ -3727,9 +4045,11 @@ if [ ${#tests[@]} -eq 0 ]; then tests=("${all_tests_names[@]}") fi +mptcp_lib_subtests_last_ts_reset for subtests in "${tests[@]}"; do "${subtests}" done +append_prev_results if [ ${ret} -ne 0 ]; then echo @@ -3740,7 +4060,6 @@ if [ ${ret} -ne 0 ]; then echo fi -append_prev_results mptcp_lib_result_print_all_tap exit $ret |