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-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_join.sh3133
1 files changed, 3133 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
new file mode 100755
index 000000000000..f3dd5f2a0272
--- /dev/null
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -0,0 +1,3133 @@
+#!/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
+
+ret=0
+sin=""
+sinfail=""
+sout=""
+cin=""
+cinfail=""
+cinsent=""
+cout=""
+capout=""
+ns1=""
+ns2=""
+ksft_skip=4
+timeout_poll=30
+timeout_test=$((timeout_poll * 2 + 1))
+capture=0
+checksum=0
+ip_mptcp=0
+check_invert=0
+validate_checksum=0
+init=0
+
+declare -A all_tests
+declare -a only_tests_ids
+declare -a only_tests_names
+declare -A failed_tests
+TEST_COUNT=0
+TEST_NAME=""
+nr_blank=40
+
+export FAILING_LINKS=""
+
+# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
+# (ip6 && (ip6[74] & 0xf0) == 0x30)'"
+CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
+ 48 0 0 0,
+ 84 0 0 240,
+ 21 0 3 64,
+ 48 0 0 54,
+ 84 0 0 240,
+ 21 6 7 48,
+ 48 0 0 0,
+ 84 0 0 240,
+ 21 0 4 96,
+ 48 0 0 74,
+ 84 0 0 240,
+ 21 0 1 48,
+ 6 0 0 65535,
+ 6 0 0 0"
+
+init_partial()
+{
+ capout=$(mktemp)
+
+ local rndh
+ rndh=$(mktemp -u XXXXXX)
+
+ ns1="ns1-$rndh"
+ ns2="ns2-$rndh"
+
+ local netns
+ for netns in "$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.mptcp.pm_type=0
+ 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 $netns sysctl -q net.mptcp.checksum_enabled=1
+ fi
+ done
+
+ check_invert=0
+ validate_checksum=$checksum
+ FAILING_LINKS=""
+
+ # ns1 ns2
+ # ns1eth1 ns2eth1
+ # ns1eth2 ns2eth2
+ # ns1eth3 ns2eth3
+ # ns1eth4 ns2eth4
+
+ local i
+ 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$i
+ ip -net "$ns2" route add default via dead:beef:$i::1 dev ns2eth$i metric 10$i
+ done
+}
+
+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
+ done
+}
+
+cleanup_partial()
+{
+ rm -f "$capout"
+
+ local netns
+ for netns in "$ns1" "$ns2"; do
+ ip netns del $netns
+ rm -f /tmp/$netns.{nstat,out}
+ done
+}
+
+check_tools()
+{
+ if ! ip -Version &> /dev/null; then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+ fi
+
+ if ! iptables -V &> /dev/null; then
+ echo "SKIP: Could not run all tests without iptables tool"
+ exit $ksft_skip
+ fi
+
+ if ! ip6tables -V &> /dev/null; then
+ echo "SKIP: Could not run all tests without ip6tables tool"
+ exit $ksft_skip
+ fi
+}
+
+init() {
+ init=1
+
+ check_tools
+
+ sin=$(mktemp)
+ sout=$(mktemp)
+ cin=$(mktemp)
+ cinsent=$(mktemp)
+ cout=$(mktemp)
+
+ trap cleanup EXIT
+
+ make_file "$cin" "client" 1
+ make_file "$sin" "server" 1
+}
+
+cleanup()
+{
+ rm -f "$cin" "$cout" "$sinfail"
+ rm -f "$sin" "$sout" "$cinsent" "$cinfail"
+ cleanup_partial
+}
+
+skip_test()
+{
+ if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
+ return 1
+ fi
+
+ local i
+ for i in "${only_tests_ids[@]}"; do
+ if [ "${TEST_COUNT}" -eq "${i}" ]; then
+ return 1
+ fi
+ done
+ for i in "${only_tests_names[@]}"; do
+ if [ "${TEST_NAME}" = "${i}" ]; then
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+# $1: test name
+reset()
+{
+ TEST_NAME="${1}"
+
+ TEST_COUNT=$((TEST_COUNT+1))
+
+ if skip_test; then
+ return 1
+ fi
+
+ if [ "${init}" != "1" ]; then
+ init
+ else
+ cleanup_partial
+ fi
+
+ init_partial
+
+ return 0
+}
+
+# $1: test name
+reset_with_cookies()
+{
+ reset "${1}" || return 1
+
+ local netns
+ for netns in "$ns1" "$ns2"; do
+ ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
+ done
+}
+
+# $1: test name
+reset_with_add_addr_timeout()
+{
+ local ip="${2:-4}"
+ local tables
+
+ reset "${1}" || return 1
+
+ tables="iptables"
+ if [ $ip -eq 6 ]; then
+ tables="ip6tables"
+ fi
+
+ 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
+}
+
+# $1: test name
+reset_with_checksum()
+{
+ local ns1_enable=$1
+ local ns2_enable=$2
+
+ reset "checksum test ${1} ${2}" || 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
+
+ validate_checksum=1
+}
+
+reset_with_allow_join_id0()
+{
+ local ns1_enable=$2
+ local ns2_enable=$3
+
+ reset "${1}" || return 1
+
+ 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
+}
+
+# Modify TCP payload without corrupting the TCP packet
+#
+# This rule inverts a 8-bit word at byte offset 148 for the 2nd TCP ACK packets
+# carrying enough data.
+# Once it is done, the TCP Checksum field is updated so the packet is still
+# considered as valid at the TCP level.
+# Because the MPTCP checksum, covering the TCP options and data, has not been
+# updated, the modification will be detected and an MP_FAIL will be emitted:
+# what we want to validate here without corrupting "random" MPTCP options.
+#
+# To avoid having tc producing this pr_info() message for each TCP ACK packets
+# not carrying enough data:
+#
+# tc action pedit offset 162 out of bounds
+#
+# Netfilter is used to mark packets with enough data.
+reset_with_fail()
+{
+ reset "${1}" || return 1
+
+ ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
+ ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
+
+ check_invert=1
+ validate_checksum=1
+ local i="$2"
+ local ip="${3:-4}"
+ local tables
+
+ tables="iptables"
+ if [ $ip -eq 6 ]; then
+ tables="ip6tables"
+ fi
+
+ ip netns exec $ns2 $tables \
+ -t mangle \
+ -A OUTPUT \
+ -o ns2eth$i \
+ -p tcp \
+ -m length --length 150:9999 \
+ -m statistic --mode nth --packet 1 --every 99999 \
+ -j MARK --set-mark 42 || exit 1
+
+ tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1
+ tc -n $ns2 filter add dev ns2eth$i egress \
+ protocol ip prio 1000 \
+ handle 42 fw \
+ action pedit munge offset 148 u8 invert \
+ pipe csum tcp \
+ index 100 || exit 1
+}
+
+fail_test()
+{
+ ret=1
+ failed_tests[${TEST_COUNT}]="${TEST_NAME}"
+}
+
+get_failed_tests_ids()
+{
+ # sorted
+ local i
+ for i in "${!failed_tests[@]}"; do
+ echo "${i}"
+ done | sort -n
+}
+
+print_file_err()
+{
+ ls -l "$1" 1>&2
+ echo "Trailing bytes are: "
+ tail -c 27 "$1"
+}
+
+check_transfer()
+{
+ local in=$1
+ local out=$2
+ local what=$3
+ local bytes=$4
+ local i a b
+
+ local line
+ if [ -n "$bytes" ]; then
+ # when truncating we must check the size explicitly
+ local out_size=$(wc -c $out | awk '{print $1}')
+ if [ $out_size -ne $bytes ]; then
+ echo "[ FAIL ] $what output file has wrong size ($out_size, $bytes)"
+ fail_test
+ return 1
+ fi
+ bytes="--bytes=${bytes}"
+ fi
+ cmp -l "$in" "$out" ${bytes} | while read -r i a b; do
+ local sum=$((0${a} + 0${b}))
+ if [ $check_invert -eq 0 ] || [ $sum -ne $((0xff)) ]; then
+ echo "[ FAIL ] $what does not match (in, out):"
+ print_file_err "$in"
+ print_file_err "$out"
+ fail_test
+
+ return 1
+ else
+ echo "$what has inverted byte at ${i}"
+ fi
+ done
+
+ return 0
+}
+
+do_ping()
+{
+ local listener_ns="$1"
+ local connector_ns="$2"
+ local connect_addr="$3"
+
+ if ! ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null; then
+ echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
+ fail_test
+ fi
+}
+
+link_failure()
+{
+ local ns="$1"
+
+ if [ -z "$FAILING_LINKS" ]; then
+ l=$((RANDOM%4))
+ FAILING_LINKS=$((l+1))
+ fi
+
+ local l
+ for l in $FAILING_LINKS; do
+ local veth="ns1eth$l"
+ ip -net "$ns" link set "$veth" down
+ done
+}
+
+# $1: IP address
+is_v6()
+{
+ [ -z "${1##*:*}" ]
+}
+
+# $1: ns, $2: port
+wait_local_port_listen()
+{
+ local listener_ns="${1}"
+ local port="${2}"
+
+ local port_hex
+ port_hex="$(printf "%04X" "${port}")"
+
+ local i
+ for i in $(seq 10); do
+ ip netns exec "${listener_ns}" cat /proc/net/tcp* | \
+ awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
+ break
+ sleep 0.1
+ done
+}
+
+rm_addr_count()
+{
+ local ns=${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" = "${old_cnt}" ] || break
+ sleep 0.1
+ done
+}
+
+wait_mpj()
+{
+ local ns="${1}"
+ local cnt old_cnt
+
+ old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
+
+ local i
+ for i in $(seq 10); do
+ cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
+ [ "$cnt" = "${old_cnt}" ] || break
+ sleep 0.1
+ done
+}
+
+kill_wait()
+{
+ kill $1 > /dev/null 2>&1
+ wait $1 2>/dev/null
+}
+
+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
+}
+
+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
+}
+
+pm_nl_del_endpoint()
+{
+ local ns=$1
+ local id=$2
+ local addr=$3
+
+ if [ $ip_mptcp -eq 1 ]; then
+ ip -n $ns mptcp endpoint delete id $id $addr
+ else
+ ip netns exec $ns ./pm_nl_ctl del $id $addr
+ fi
+}
+
+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
+}
+
+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
+}
+
+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
+}
+
+pm_nl_check_endpoint()
+{
+ local line expected_line
+ local need_title=$1
+ local msg="$2"
+ local ns=$3
+ local addr=$4
+ local _flags=""
+ local flags
+ local _port
+ local port
+ local dev
+ local _id
+ local id
+
+ if [ "${need_title}" = 1 ]; then
+ printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
+ else
+ printf "%-${nr_blank}s %s" " " "${msg}"
+ fi
+
+ shift 4
+ while [ -n "$1" ]; do
+ if [ $1 = "flags" ]; then
+ _flags=$2
+ [ -n "$_flags" ]; flags="flags $_flags"
+ shift
+ elif [ $1 = "dev" ]; then
+ [ -n "$2" ]; dev="dev $1"
+ shift
+ elif [ $1 = "id" ]; then
+ _id=$2
+ [ -n "$_id" ]; id="id $_id"
+ shift
+ elif [ $1 = "port" ]; then
+ _port=$2
+ [ -n "$_port" ]; port=" port $_port"
+ shift
+ fi
+
+ shift
+ done
+
+ if [ -z "$id" ]; then
+ echo "[skip] bad test - missing endpoint id"
+ return
+ fi
+
+ if [ $ip_mptcp -eq 1 ]; then
+ line=$(ip -n $ns mptcp endpoint show $id)
+ # the dump order is: address id flags port dev
+ expected_line="$addr"
+ [ -n "$addr" ] && expected_line="$expected_line $addr"
+ expected_line="$expected_line $id"
+ [ -n "$_flags" ] && expected_line="$expected_line ${_flags//","/" "}"
+ [ -n "$dev" ] && expected_line="$expected_line $dev"
+ [ -n "$port" ] && expected_line="$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 "$flags" ] && expected_line="$expected_line $flags"
+ [ -n "$dev" ] && expected_line="$expected_line $dev"
+ [ -n "$addr" ] && expected_line="$expected_line $addr"
+ [ -n "$_port" ] && expected_line="$expected_line $_port"
+ fi
+ if [ "$line" = "$expected_line" ]; then
+ echo "[ ok ]"
+ else
+ echo "[fail] expected '$expected_line' found '$line'"
+ fail_test
+ fi
+}
+
+filter_tcp_from()
+{
+ local ns="${1}"
+ local src="${2}"
+ local target="${3}"
+
+ ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
+}
+
+do_transfer()
+{
+ local listener_ns="$1"
+ local connector_ns="$2"
+ local cl_proto="$3"
+ local srv_proto="$4"
+ local connect_addr="$5"
+ local test_link_fail="$6"
+ local addr_nr_ns1="$7"
+ local addr_nr_ns2="$8"
+ local speed="$9"
+ local sflags="${10}"
+
+ local port=$((10000 + TEST_COUNT - 1))
+ local cappid
+ local userspace_pm=0
+ local evts_ns1
+ local evts_ns1_pid
+ local evts_ns2
+ local evts_ns2_pid
+
+ :> "$cout"
+ :> "$sout"
+ :> "$capout"
+
+ if [ $capture -eq 1 ]; then
+ local capuser
+ 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
+
+ local extra_args
+ if [ $speed = "fast" ]; then
+ extra_args="-j"
+ elif [ $speed = "slow" ]; then
+ extra_args="-r 50"
+ elif [[ $speed = "speed_"* ]]; then
+ extra_args="-r ${speed:6}"
+ fi
+
+ if [[ "${addr_nr_ns1}" = "userspace_"* ]]; then
+ userspace_pm=1
+ addr_nr_ns1=${addr_nr_ns1:10}
+ fi
+
+ local flags="subflow"
+ local extra_cl_args=""
+ local extra_srv_args=""
+ local trunc_size=""
+ if [[ "${addr_nr_ns2}" = "fastclose_"* ]]; then
+ if [ ${test_link_fail} -le 1 ]; then
+ echo "fastclose tests need test_link_fail argument"
+ fail_test
+ return 1
+ fi
+
+ # disconnect
+ trunc_size=${test_link_fail}
+ local side=${addr_nr_ns2:10}
+
+ if [ ${side} = "client" ]; then
+ extra_cl_args="-f ${test_link_fail}"
+ extra_srv_args="-f -1"
+ elif [ ${side} = "server" ]; then
+ extra_srv_args="-f ${test_link_fail}"
+ extra_cl_args="-f -1"
+ else
+ echo "wrong/unknown fastclose spec ${side}"
+ fail_test
+ return 1
+ fi
+ addr_nr_ns2=0
+ elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then
+ userspace_pm=1
+ addr_nr_ns2=${addr_nr_ns2:10}
+ elif [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then
+ flags="${flags},fullmesh"
+ addr_nr_ns2=${addr_nr_ns2:9}
+ fi
+
+ if [ $userspace_pm -eq 1 ]; then
+ evts_ns1=$(mktemp)
+ evts_ns2=$(mktemp)
+ :> "$evts_ns1"
+ :> "$evts_ns2"
+ ip netns exec ${listener_ns} ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
+ evts_ns1_pid=$!
+ ip netns exec ${connector_ns} ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
+ evts_ns2_pid=$!
+ fi
+
+ local local_addr
+ if is_v6 "${connect_addr}"; then
+ local_addr="::"
+ else
+ local_addr="0.0.0.0"
+ fi
+
+ extra_srv_args="$extra_args $extra_srv_args"
+ if [ "$test_link_fail" -gt 1 ];then
+ timeout ${timeout_test} \
+ ip netns exec ${listener_ns} \
+ ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
+ $extra_srv_args ${local_addr} < "$sinfail" > "$sout" &
+ else
+ timeout ${timeout_test} \
+ ip netns exec ${listener_ns} \
+ ./mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
+ $extra_srv_args ${local_addr} < "$sin" > "$sout" &
+ fi
+ local spid=$!
+
+ wait_local_port_listen "${listener_ns}" "${port}"
+
+ extra_cl_args="$extra_args $extra_cl_args"
+ if [ "$test_link_fail" -eq 0 ];then
+ timeout ${timeout_test} \
+ ip netns exec ${connector_ns} \
+ ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
+ $extra_cl_args $connect_addr < "$cin" > "$cout" &
+ elif [ "$test_link_fail" -eq 1 ] || [ "$test_link_fail" -eq 2 ];then
+ ( cat "$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} \
+ $extra_cl_args $connect_addr > "$cout" &
+ else
+ tee "$cinsent" < "$cinfail" | \
+ timeout ${timeout_test} \
+ ip netns exec ${connector_ns} \
+ ./mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
+ $extra_cl_args $connect_addr > "$cout" &
+ fi
+ local cpid=$!
+
+ # let the mptcp subflow be established in background before
+ # do endpoint manipulation
+ if [ $addr_nr_ns1 != "0" ] || [ $addr_nr_ns2 != "0" ]; then
+ sleep 1
+ fi
+
+ if [ $addr_nr_ns1 -gt 0 ]; then
+ local counter=2
+ local add_nr_ns1=${addr_nr_ns1}
+ local id=10
+ local tk
+ 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
+ if [ $userspace_pm -eq 0 ]; then
+ pm_nl_add_endpoint $ns1 $addr flags signal
+ else
+ tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns1")
+ ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id
+ sleep 1
+ ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id
+ fi
+
+ counter=$((counter + 1))
+ add_nr_ns1=$((add_nr_ns1 - 1))
+ id=$((id + 1))
+ done
+ elif [ $addr_nr_ns1 -lt 0 ]; then
+ local rm_nr_ns1=$((-addr_nr_ns1))
+ if [ $rm_nr_ns1 -lt 8 ]; then
+ local counter=0
+ local line
+ pm_nl_show_endpoints ${listener_ns} | while read -r line; do
+ # shellcheck disable=SC2206 # we do want to split per word
+ local arr=($line)
+ local nr=0
+
+ local i
+ for i in "${arr[@]}"; do
+ if [ $i = "id" ]; then
+ if [ $counter -eq $rm_nr_ns1 ]; then
+ break
+ fi
+ id=${arr[$nr+1]}
+ rm_addr=$(rm_addr_count ${connector_ns})
+ pm_nl_del_endpoint ${listener_ns} $id
+ wait_rm_addr ${connector_ns} ${rm_addr}
+ counter=$((counter + 1))
+ fi
+ nr=$((nr + 1))
+ done
+ done
+ elif [ $rm_nr_ns1 -eq 8 ]; then
+ pm_nl_flush_endpoint ${listener_ns}
+ elif [ $rm_nr_ns1 -eq 9 ]; then
+ pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
+ fi
+ fi
+
+ # if newly added endpoints must be deleted, give the background msk
+ # some time to created them
+ [ $addr_nr_ns1 -gt 0 ] && [ $addr_nr_ns2 -lt 0 ] && sleep 1
+
+ if [ $addr_nr_ns2 -gt 0 ]; then
+ local add_nr_ns2=${addr_nr_ns2}
+ local counter=3
+ local id=20
+ local tk da dp sp
+ 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
+ if [ $userspace_pm -eq 0 ]; then
+ pm_nl_add_endpoint $ns2 $addr flags $flags
+ else
+ tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
+ da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
+ dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
+ ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
+ rip $da rport $dp token $tk
+ sleep 1
+ sp=$(grep "type:10" "$evts_ns2" |
+ sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
+ ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
+ rip $da rport $dp token $tk
+ fi
+ counter=$((counter + 1))
+ add_nr_ns2=$((add_nr_ns2 - 1))
+ id=$((id + 1))
+ done
+ elif [ $addr_nr_ns2 -lt 0 ]; then
+ local rm_nr_ns2=$((-addr_nr_ns2))
+ if [ $rm_nr_ns2 -lt 8 ]; then
+ local counter=0
+ local line
+ pm_nl_show_endpoints ${connector_ns} | while read -r line; do
+ # shellcheck disable=SC2206 # we do want to split per word
+ local arr=($line)
+ local nr=0
+
+ local i
+ for i in "${arr[@]}"; do
+ if [ $i = "id" ]; then
+ if [ $counter -eq $rm_nr_ns2 ]; then
+ break
+ fi
+ local id rm_addr
+ # rm_addr are serialized, allow the previous one to
+ # complete
+ id=${arr[$nr+1]}
+ rm_addr=$(rm_addr_count ${listener_ns})
+ pm_nl_del_endpoint ${connector_ns} $id
+ wait_rm_addr ${listener_ns} ${rm_addr}
+ counter=$((counter + 1))
+ fi
+ nr=$((nr + 1))
+ done
+ done
+ elif [ $rm_nr_ns2 -eq 8 ]; then
+ pm_nl_flush_endpoint ${connector_ns}
+ 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
+ pm_nl_del_endpoint ${connector_ns} 0 $addr
+ fi
+ fi
+
+ if [ -n "${sflags}" ]; then
+ sleep 1
+
+ local netns
+ for netns in "$ns1" "$ns2"; do
+ local line
+ pm_nl_show_endpoints $netns | while read -r line; do
+ # shellcheck disable=SC2206 # we do want to split per word
+ local arr=($line)
+ local nr=0
+ local id
+
+ local i
+ for i in "${arr[@]}"; do
+ if [ $i = "id" ]; then
+ id=${arr[$nr+1]}
+ fi
+ nr=$((nr + 1))
+ done
+ pm_nl_change_endpoint $netns $id $sflags
+ done
+ done
+ fi
+
+ wait $cpid
+ local retc=$?
+ wait $spid
+ local rets=$?
+
+ if [ $capture -eq 1 ]; then
+ sleep 1
+ kill $cappid
+ fi
+
+ if [ $userspace_pm -eq 1 ]; then
+ kill_wait $evts_ns1_pid
+ kill_wait $evts_ns2_pid
+ rm -rf $evts_ns1 $evts_ns2
+ fi
+
+ NSTAT_HISTORY=/tmp/${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"
+ fail_test
+ return 1
+ fi
+
+ if [ "$test_link_fail" -gt 1 ];then
+ check_transfer $sinfail $cout "file received by client" $trunc_size
+ else
+ check_transfer $sin $cout "file received by client" $trunc_size
+ fi
+ retc=$?
+ if [ "$test_link_fail" -eq 0 ];then
+ check_transfer $cin $sout "file received by server" $trunc_size
+ else
+ check_transfer $cinsent $sout "file received by server" $trunc_size
+ fi
+ rets=$?
+
+ if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
+ cat "$capout"
+ return 0
+ fi
+
+ cat "$capout"
+ return 1
+}
+
+make_file()
+{
+ local name=$1
+ local who=$2
+ local 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()
+{
+ local listener_ns="$1"
+ local connector_ns="$2"
+ local connect_addr="$3"
+ local test_linkfail="${4:-0}"
+ local addr_nr_ns1="${5:-0}"
+ local addr_nr_ns2="${6:-0}"
+ local speed="${7:-fast}"
+ local sflags="${8:-""}"
+
+ local size
+
+ # The values above 2 are reused to make test files
+ # with the given sizes (KB)
+ if [ "$test_linkfail" -gt 2 ]; then
+ size=$test_linkfail
+
+ if [ -z "$cinfail" ]; then
+ cinfail=$(mktemp)
+ fi
+ make_file "$cinfail" "client" $size
+ # create the input file for the failure test when
+ # the first failure test run
+ elif [ "$test_linkfail" -ne 0 ] && [ -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" -gt 2 ]; then
+ size=$test_linkfail
+
+ if [ -z "$sinfail" ]; then
+ sinfail=$(mktemp)
+ fi
+ make_file "$sinfail" "server" $size
+ elif [ "$test_linkfail" -eq 2 ] && [ -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} ${sflags}
+}
+
+dump_stats()
+{
+ echo Server ns stats
+ ip netns exec $ns1 nstat -as | grep Tcp
+ echo Client ns stats
+ ip netns exec $ns2 nstat -as | grep Tcp
+}
+
+chk_csum_nr()
+{
+ local csum_ns1=${1:-0}
+ local csum_ns2=${2:-0}
+ local count
+ local dump_stats
+ local extra_msg=""
+ local allow_multi_errors_ns1=0
+ local allow_multi_errors_ns2=0
+
+ if [[ "${csum_ns1}" = "+"* ]]; then
+ allow_multi_errors_ns1=1
+ csum_ns1=${csum_ns1:1}
+ fi
+ if [[ "${csum_ns2}" = "+"* ]]; then
+ allow_multi_errors_ns2=1
+ csum_ns2=${csum_ns2:1}
+ fi
+
+ printf "%-${nr_blank}s %s" " " "sum"
+ count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$csum_ns1" ]; then
+ extra_msg="$extra_msg ns1=$count"
+ fi
+ if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
+ { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
+ echo "[fail] got $count data checksum error[s] expected $csum_ns1"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+ echo -n " - csum "
+ count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$csum_ns2" ]; then
+ extra_msg="$extra_msg ns2=$count"
+ fi
+ if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
+ { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
+ echo "[fail] got $count data checksum error[s] expected $csum_ns2"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+ [ "${dump_stats}" = 1 ] && dump_stats
+
+ echo "$extra_msg"
+}
+
+chk_fail_nr()
+{
+ local fail_tx=$1
+ local fail_rx=$2
+ local ns_invert=${3:-""}
+ local count
+ local dump_stats
+ local ns_tx=$ns1
+ local ns_rx=$ns2
+ local extra_msg=""
+ local allow_tx_lost=0
+ local allow_rx_lost=0
+
+ if [[ $ns_invert = "invert" ]]; then
+ ns_tx=$ns2
+ ns_rx=$ns1
+ extra_msg=" invert"
+ fi
+
+ if [[ "${fail_tx}" = "-"* ]]; then
+ allow_tx_lost=1
+ fail_tx=${fail_tx:1}
+ fi
+ if [[ "${fail_rx}" = "-"* ]]; then
+ allow_rx_lost=1
+ fail_rx=${fail_rx:1}
+ fi
+
+ printf "%-${nr_blank}s %s" " " "ftx"
+ count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$fail_tx" ]; then
+ extra_msg="$extra_msg,tx=$count"
+ fi
+ if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
+ { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
+ echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - failrx"
+ count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$fail_rx" ]; then
+ extra_msg="$extra_msg,rx=$count"
+ fi
+ if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
+ { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
+ echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+
+ echo "$extra_msg"
+}
+
+chk_fclose_nr()
+{
+ local fclose_tx=$1
+ local fclose_rx=$2
+ local ns_invert=$3
+ local count
+ local dump_stats
+ local ns_tx=$ns2
+ local ns_rx=$ns1
+ local extra_msg=" "
+
+ if [[ $ns_invert = "invert" ]]; then
+ ns_tx=$ns1
+ ns_rx=$ns2
+ extra_msg=${extra_msg}"invert"
+ fi
+
+ printf "%-${nr_blank}s %s" " " "ctx"
+ count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ [ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
+ if [ "$count" != "$fclose_tx" ]; then
+ echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - fclzrx"
+ count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ [ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count"
+ if [ "$count" != "$fclose_rx" ]; then
+ echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+
+ echo "$extra_msg"
+}
+
+chk_rst_nr()
+{
+ local rst_tx=$1
+ local rst_rx=$2
+ local ns_invert=${3:-""}
+ local count
+ local dump_stats
+ local ns_tx=$ns1
+ local ns_rx=$ns2
+ local extra_msg=""
+
+ if [[ $ns_invert = "invert" ]]; then
+ ns_tx=$ns2
+ ns_rx=$ns1
+ extra_msg=" invert"
+ fi
+
+ printf "%-${nr_blank}s %s" " " "rtx"
+ count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ $count -lt $rst_tx ]; then
+ echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - rstrx "
+ count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" -lt "$rst_rx" ]; then
+ echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+
+ echo "$extra_msg"
+}
+
+chk_infi_nr()
+{
+ local infi_tx=$1
+ local infi_rx=$2
+ local count
+ local dump_stats
+
+ printf "%-${nr_blank}s %s" " " "itx"
+ count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$infi_tx" ]; then
+ echo "[fail] got $count infinite map[s] TX expected $infi_tx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - infirx"
+ count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$infi_rx" ]; then
+ echo "[fail] got $count infinite map[s] RX expected $infi_rx"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+}
+
+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=${9:-0}
+ local count
+ local dump_stats
+ local with_cookie
+ local title="${TEST_NAME}"
+
+ if [ "${corrupted_pkts}" -gt 0 ]; then
+ title+=": ${corrupted_pkts} corrupted pkts"
+ fi
+
+ printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
+ count=$(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 $syn_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - synack"
+ with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
+ count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ "$count" != "$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
+ echo -n "[ ok ]"
+ else
+ echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
+ fail_test
+ dump_stats=1
+ fi
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - ack"
+ count=$(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 $ack_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+ [ "${dump_stats}" = 1 ] && dump_stats
+ if [ $validate_checksum -eq 1 ]; then
+ chk_csum_nr $csum_ns1 $csum_ns2
+ chk_fail_nr $fail_nr $fail_nr
+ chk_rst_nr $rst_nr $rst_nr
+ chk_infi_nr $infi_nr $infi_nr
+ 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=$4
+ local dump_stats
+ local stale_nr
+ local recover_nr
+
+ printf "%-${nr_blank}s %-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 ] && [ $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 $stale_delta "
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ if [ "${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
+ local timeout
+
+ timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
+
+ printf "%-${nr_blank}s %s" " " "add"
+ count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
+ [ -z "$count" ] && count=0
+
+ # if the test configured a short timeout tolerate greater then expected
+ # add addrs options, due to retransmissions
+ if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
+ echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - echo "
+ count=$(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"
+ fail_test
+ 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 $port_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ printf "%-${nr_blank}s %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 $syn_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - synack"
+ count=$(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 $syn_ack_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - ack"
+ count=$(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 $ack_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ printf "%-${nr_blank}s %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 $mis_syn_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - ack "
+ count=$(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 $mis_ack_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+ else
+ echo ""
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+}
+
+chk_rm_nr()
+{
+ local rm_addr_nr=$1
+ local rm_subflow_nr=$2
+ local invert
+ local simult
+ local count
+ local dump_stats
+ local addr_ns=$ns1
+ local subflow_ns=$ns2
+ local extra_msg=""
+
+ shift 2
+ while [ -n "$1" ]; do
+ [ "$1" = "invert" ] && invert=true
+ [ "$1" = "simult" ] && simult=true
+ shift
+ done
+
+ if [ -z $invert ]; then
+ addr_ns=$ns1
+ subflow_ns=$ns2
+ elif [ $invert = "true" ]; then
+ addr_ns=$ns2
+ subflow_ns=$ns1
+ extra_msg=" invert"
+ fi
+
+ printf "%-${nr_blank}s %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 $rm_addr_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - rmsf "
+ count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
+ [ -z "$count" ] && count=0
+ if [ -n "$simult" ]; then
+ local cnt suffix
+
+ cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
+
+ # in case of simult flush, the subflow removal count on each side is
+ # unreliable
+ [ -z "$cnt" ] && cnt=0
+ count=$((count + cnt))
+ [ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
+ if [ $count -ge "$rm_subflow_nr" ] && \
+ [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
+ echo "[ ok ] $suffix"
+ else
+ echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
+ fail_test
+ dump_stats=1
+ fi
+ return
+ fi
+ if [ "$count" != "$rm_subflow_nr" ]; then
+ echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+
+ echo "$extra_msg"
+}
+
+chk_prio_nr()
+{
+ local mp_prio_nr_tx=$1
+ local mp_prio_nr_rx=$2
+ local count
+ local dump_stats
+
+ printf "%-${nr_blank}s %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 $mp_prio_nr_tx"
+ fail_test
+ dump_stats=1
+ else
+ echo -n "[ ok ]"
+ fi
+
+ echo -n " - prx "
+ count=$(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 $mp_prio_nr_rx"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && dump_stats
+}
+
+chk_subflow_nr()
+{
+ local need_title="$1"
+ local msg="$2"
+ local subflow_nr=$3
+ local cnt1
+ local cnt2
+
+ if [ -n "${need_title}" ]; then
+ printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
+ else
+ printf "%-${nr_blank}s %s" " " "${msg}"
+ fi
+
+ cnt1=$(ss -N $ns1 -tOni | grep -c token)
+ cnt2=$(ss -N $ns2 -tOni | grep -c token)
+ if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then
+ echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
+ fail_test
+ dump_stats=1
+ else
+ echo "[ ok ]"
+ fi
+
+ [ "${dump_stats}" = 1 ] && ( ss -N $ns1 -tOni ; ss -N $ns1 -tOni | grep token; ip -n $ns1 mptcp endpoint )
+}
+
+chk_link_usage()
+{
+ local ns=$1
+ local link=$2
+ local out=$3
+ local expected_rate=$4
+
+ local tx_link tx_total
+ tx_link=$(ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes)
+ tx_total=$(stat --format=%s $out)
+ local tx_rate=$((tx_link * 100 / tx_total))
+ local tolerance=5
+
+ printf "%-${nr_blank}s %-18s" " " "link usage"
+ if [ $tx_rate -lt $((expected_rate - tolerance)) ] || \
+ [ $tx_rate -gt $((expected_rate + tolerance)) ]; then
+ echo "[fail] got $tx_rate% usage, expected $expected_rate%"
+ fail_test
+ else
+ echo "[ ok ]"
+ fi
+}
+
+wait_attempt_fail()
+{
+ local timeout_ms=$((timeout_poll * 1000))
+ local time=0
+ local ns=$1
+
+ while [ $time -lt $timeout_ms ]; do
+ local cnt
+
+ cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
+
+ [ "$cnt" = 1 ] && return 1
+ time=$((time + 100))
+ sleep 0.1
+ done
+ return 1
+}
+
+set_userspace_pm()
+{
+ local ns=$1
+
+ ip netns exec $ns sysctl -q net.mptcp.pm_type=1
+}
+
+subflows_tests()
+{
+ if reset "no JOIN"; then
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ fi
+
+ # subflow limited by client
+ if reset "single subflow, limited by client"; then
+ pm_nl_set_limits $ns1 0 0
+ pm_nl_set_limits $ns2 0 0
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ fi
+
+ # subflow limited by server
+ if reset "single subflow, limited by server"; then
+ pm_nl_set_limits $ns1 0 0
+ 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
+ fi
+
+ # subflow
+ if reset "single subflow"; then
+ pm_nl_set_limits $ns1 0 1
+ 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 1
+ fi
+
+ # multiple subflows
+ if reset "multiple subflows"; 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 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 2
+ fi
+
+ # multiple subflows limited by server
+ if reset "multiple subflows, limited by server"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 2
+ 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
+ fi
+
+ # single subflow, dev
+ if reset "single subflow, dev"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ fi
+}
+
+subflows_error_tests()
+{
+ # If a single subflow is configured, and matches the MPC src
+ # address, no additional subflow should be created
+ if reset "no MPC reuse with single endpoint"; then
+ 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
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 0 0 0
+ fi
+
+ # multiple subflows, with subflow creation error
+ if reset "multi subflows, with failing subflow"; 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 subflow
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
+ filter_tcp_from $ns1 10.0.3.2 REJECT
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 1 1 1
+ fi
+
+ # multiple subflows, with subflow timeout on MPJ
+ if reset "multi subflows, with subflow timeout"; 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 subflow
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
+ filter_tcp_from $ns1 10.0.3.2 DROP
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 1 1 1
+ fi
+
+ # multiple subflows, check that the endpoint corresponding to
+ # closed subflow (due to reset) is not reused if additional
+ # subflows are added later
+ if reset "multi subflows, fair usage on close"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ filter_tcp_from $ns1 10.0.3.2 REJECT
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
+
+ # mpj subflow will be in TW after the reset
+ wait_attempt_fail $ns2
+ pm_nl_add_endpoint $ns2 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 1 1 1
+ fi
+}
+
+signal_address_tests()
+{
+ # add_address, unused
+ if reset "unused signal address"; then
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ chk_add_nr 1 1
+ fi
+
+ # accept and use add_addr
+ if reset "signal address"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # 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
+ if reset "subflow and signal"; then
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ fi
+
+ # accept and use add_addr with additional subflows
+ if reset "multiple subflows and signal"; then
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ fi
+
+ # signal addresses
+ if reset "signal addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+ pm_nl_set_limits $ns2 3 3
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 3 3 3
+ chk_add_nr 3 3
+ fi
+
+ # signal invalid addresses
+ if reset "signal invalid addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.12.1 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
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 3 3
+ fi
+
+ # signal addresses race test
+ if reset "signal addresses race test"; then
+ pm_nl_set_limits $ns1 4 4
+ pm_nl_set_limits $ns2 4 4
+ pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
+
+ # the peer could possibly miss some addr notification, allow retransmission
+ ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 3 3 3
+
+ # the server will not signal the address terminating
+ # the MPC subflow
+ chk_add_nr 3 3
+ fi
+}
+
+link_failure_tests()
+{
+ # accept and use add_addr with additional subflows and link loss
+ if reset "multiple flows, signal, link failure"; then
+ # 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
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 1
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ chk_stale_nr $ns2 1 5 1
+ fi
+
+ # accept and use add_addr with additional subflows and link loss
+ # for bidirectional transfer
+ if reset "multi flows, signal, bidi, link fail"; then
+ init_shapers
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 2
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ chk_stale_nr $ns2 1 -1 1
+ fi
+
+ # 2 subflows plus 1 backup subflow with a lossy link, backup
+ # will never be used
+ if reset "backup subflow unused, link failure"; then
+ init_shapers
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+ pm_nl_set_limits $ns2 1 2
+ FAILING_LINKS="1"
+ pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
+ run_tests $ns1 $ns2 10.0.1.1 1
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ chk_link_usage $ns2 ns2eth3 $cinsent 0
+ fi
+
+ # 2 lossy links after half transfer, backup will get half of
+ # the traffic
+ if reset "backup flow used, multi links fail"; then
+ init_shapers
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
+ FAILING_LINKS="1 2"
+ run_tests $ns1 $ns2 10.0.1.1 1
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ chk_stale_nr $ns2 2 4 2
+ chk_link_usage $ns2 ns2eth3 $cinsent 50
+ fi
+
+ # use a backup subflow with the first subflow on a lossy link
+ # for bidirectional transfer
+ if reset "backup flow used, bidi, link failure"; then
+ init_shapers
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
+ FAILING_LINKS="1 2"
+ run_tests $ns1 $ns2 10.0.1.1 2
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ chk_stale_nr $ns2 1 -1 2
+ chk_link_usage $ns2 ns2eth3 $cinsent 50
+ fi
+}
+
+add_addr_timeout_tests()
+{
+ # add_addr timeout
+ if reset_with_add_addr_timeout "signal address, ADD_ADDR timeout"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 4 0
+ fi
+
+ # add_addr timeout IPv6
+ if reset_with_add_addr_timeout "signal address, ADD_ADDR6 timeout" 6; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+ run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 4 0
+ fi
+
+ # signal addresses timeout
+ if reset_with_add_addr_timeout "signal addresses, ADD_ADDR timeout"; then
+ pm_nl_set_limits $ns1 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_set_limits $ns2 2 2
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
+ chk_join_nr 2 2 2
+ chk_add_nr 8 0
+ fi
+
+ # signal invalid addresses timeout
+ if reset_with_add_addr_timeout "invalid address, ADD_ADDR timeout"; then
+ pm_nl_set_limits $ns1 2 2
+ pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_set_limits $ns2 2 2
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 speed_10
+ chk_join_nr 1 1 1
+ chk_add_nr 8 0
+ fi
+}
+
+remove_tests()
+{
+ # single subflow, remove
+ if reset "remove single subflow"; then
+ pm_nl_set_limits $ns1 0 1
+ 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 0 0 -1 slow
+ chk_join_nr 1 1 1
+ chk_rm_nr 1 1
+ fi
+
+ # multiple subflows, remove
+ if reset "remove multiple subflows"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
+ chk_join_nr 2 2 2
+ chk_rm_nr 2 2
+ fi
+
+ # single address, remove
+ if reset "remove single address"; 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
+ run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_rm_nr 1 1 invert
+ fi
+
+ # subflow and signal, remove
+ if reset "remove subflow and signal"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ chk_rm_nr 1 1
+ fi
+
+ # subflows and signal, remove
+ if reset "remove subflows and signal"; then
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ chk_rm_nr 2 2
+ fi
+
+ # addresses remove
+ if reset "remove addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+ pm_nl_set_limits $ns2 3 3
+ run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 3 3
+ chk_rm_nr 3 3 invert
+ fi
+
+ # invalid addresses remove
+ if reset "remove invalid addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.12.1 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
+ run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 3 3
+ chk_rm_nr 3 1 invert
+ fi
+
+ # subflows and signal, flush
+ if reset "flush subflows and signal"; then
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ chk_rm_nr 1 3 invert simult
+ fi
+
+ # subflows flush
+ if reset "flush subflows"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_set_limits $ns2 3 3
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
+ chk_join_nr 3 3 3
+ chk_rm_nr 0 3 simult
+ fi
+
+ # addresses flush
+ if reset "flush addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+ pm_nl_set_limits $ns2 3 3
+ run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 3 3
+ chk_rm_nr 3 3 invert simult
+ fi
+
+ # invalid addresses flush
+ if reset "flush invalid addresses"; then
+ pm_nl_set_limits $ns1 3 3
+ pm_nl_add_endpoint $ns1 10.0.12.1 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
+ run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 3 3
+ chk_rm_nr 3 1 invert
+ fi
+
+ # remove id 0 subflow
+ if reset "remove id 0 subflow"; then
+ pm_nl_set_limits $ns1 0 1
+ 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 0 0 -9 slow
+ chk_join_nr 1 1 1
+ chk_rm_nr 1 1
+ fi
+
+ # remove id 0 address
+ if reset "remove id 0 address"; 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
+ run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_rm_nr 1 1 invert
+ fi
+}
+
+add_tests()
+{
+ # add single subflow
+ if reset "add single subflow"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
+ chk_join_nr 1 1 1
+ fi
+
+ # add signal address
+ if reset "add signal address"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # add multiple subflows
+ if reset "add multiple subflows"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
+ chk_join_nr 2 2 2
+ fi
+
+ # add multiple subflows IPv6
+ if reset "add multiple subflows IPv6"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
+ chk_join_nr 2 2 2
+ fi
+
+ # add multiple addresses IPv6
+ if reset "add multiple addresses IPv6"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 2 2
+ run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
+ chk_join_nr 2 2 2
+ chk_add_nr 2 2
+ fi
+}
+
+ipv6_tests()
+{
+ # subflow IPv6
+ if reset "single subflow IPv6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
+ run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
+ chk_join_nr 1 1 1
+ fi
+
+ # add_address, unused IPv6
+ if reset "unused signal address IPv6"; then
+ pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+ run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
+ chk_join_nr 0 0 0
+ chk_add_nr 1 1
+ fi
+
+ # signal address IPv6
+ if reset "single address IPv6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # single address IPv6, remove
+ if reset "remove single address IPv6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_rm_nr 1 1 invert
+ fi
+
+ # subflow and signal IPv6, remove
+ if reset "remove subflow and signal IPv6"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
+ run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ chk_rm_nr 1 1
+ fi
+}
+
+v4mapped_tests()
+{
+ # subflow IPv4-mapped to IPv4-mapped
+ if reset "single subflow IPv4-mapped"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
+ run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+ chk_join_nr 1 1 1
+ fi
+
+ # signal address IPv4-mapped with IPv4-mapped sk
+ if reset "signal address IPv4-mapped"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
+ run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # subflow v4-map-v6
+ if reset "single subflow v4-map-v6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+ chk_join_nr 1 1 1
+ fi
+
+ # signal address v4-map-v6
+ if reset "signal address v4-map-v6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # subflow v6-map-v4
+ if reset "single subflow v6-map-v4"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ fi
+
+ # signal address v6-map-v4
+ if reset "signal address v6-map-v4"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # no subflow IPv6 to v4 address
+ if reset "no JOIN with diff families v4-v6"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ fi
+
+ # no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
+ if reset "no JOIN with diff families v4-v6-2"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ fi
+
+ # no subflow IPv4 to v6 address, no need to slow down too then
+ if reset "no JOIN with diff families v6-v4"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 dead:beef:1::1
+ chk_join_nr 0 0 0
+ fi
+}
+
+backup_tests()
+{
+ # single subflow, backup
+ if reset "single subflow, backup"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 1
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
+ chk_join_nr 1 1 1
+ chk_prio_nr 0 1
+ fi
+
+ # single address, backup
+ if reset "single address, backup"; 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
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_prio_nr 1 1
+ fi
+
+ # single address with port, backup
+ if reset "single address with port, backup"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_prio_nr 1 1
+ fi
+
+ if reset "mpc backup"; then
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 0 0 0
+ chk_prio_nr 0 1
+ fi
+
+ if reset "mpc backup both sides"; then
+ pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
+ chk_join_nr 0 0 0
+ chk_prio_nr 1 1
+ fi
+
+ if reset "mpc switch to backup"; then
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
+ chk_join_nr 0 0 0
+ chk_prio_nr 0 1
+ fi
+
+ if reset "mpc switch to backup both sides"; then
+ pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
+ chk_join_nr 0 0 0
+ chk_prio_nr 1 1
+ fi
+}
+
+add_addr_ports_tests()
+{
+ # signal address with port
+ if reset "signal address with port"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1 1
+ fi
+
+ # subflow and signal with port
+ if reset "subflow and signal with port"; then
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1 1
+ fi
+
+ # single address with port, remove
+ if reset "remove single address with port"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1 1
+ chk_rm_nr 1 1 invert
+ fi
+
+ # subflow and signal with port, remove
+ if reset "remove subflow and signal with port"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1 1
+ chk_rm_nr 1 1
+ fi
+
+ # subflows and signal with port, flush
+ if reset "flush subflows and signal with port"; then
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ chk_rm_nr 1 3 invert simult
+ fi
+
+ # multiple addresses with port
+ if reset "multiple addresses with port"; then
+ pm_nl_set_limits $ns1 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
+ pm_nl_set_limits $ns2 2 2
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 2 2 2
+ fi
+
+ # multiple addresses with ports
+ if reset "multiple addresses with ports"; then
+ pm_nl_set_limits $ns1 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
+ pm_nl_set_limits $ns2 2 2
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 2 2 2
+ fi
+}
+
+syncookies_tests()
+{
+ # single subflow, syncookies
+ if reset_with_cookies "single subflow with syn cookies"; then
+ pm_nl_set_limits $ns1 0 1
+ 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 1
+ fi
+
+ # multiple subflows with syn cookies
+ if reset_with_cookies "multiple subflows with syn cookies"; 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 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 2
+ fi
+
+ # multiple subflows limited by server
+ if reset_with_cookies "subflows limited by server w cookies"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 0 2
+ 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
+ fi
+
+ # test signal address with cookies
+ if reset_with_cookies "signal address with syn cookies"; then
+ pm_nl_set_limits $ns1 0 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # test cookie with subflow and signal
+ if reset_with_cookies "subflow and signal w cookies"; then
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 1 2
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 1 1
+ fi
+
+ # accept and use add_addr with additional subflows
+ if reset_with_cookies "subflows and signal w. cookies"; then
+ pm_nl_set_limits $ns1 0 3
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_set_limits $ns2 1 3
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ fi
+}
+
+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
+}
+
+deny_join_id0_tests()
+{
+ # subflow allow join id0 ns1
+ if reset_with_allow_join_id0 "single subflow allow join id0 ns1" 1 0; then
+ pm_nl_set_limits $ns1 1 1
+ 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 1
+ fi
+
+ # subflow allow join id0 ns2
+ if reset_with_allow_join_id0 "single subflow allow join id0 ns2" 0 1; then
+ pm_nl_set_limits $ns1 1 1
+ 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 0 0 0
+ fi
+
+ # signal address allow join id0 ns1
+ # ADD_ADDRs are not affected by allow_join_id0 value.
+ if reset_with_allow_join_id0 "signal address allow join id0 ns1" 1 0; then
+ pm_nl_set_limits $ns1 1 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # signal address allow join id0 ns2
+ # ADD_ADDRs are not affected by allow_join_id0 value.
+ if reset_with_allow_join_id0 "signal address allow join id0 ns2" 0 1; then
+ pm_nl_set_limits $ns1 1 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # subflow and address allow join id0 ns1
+ if reset_with_allow_join_id0 "subflow and address allow join id0 1" 1 0; then
+ 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
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ fi
+
+ # subflow and address allow join id0 ns2
+ if reset_with_allow_join_id0 "subflow and address allow join id0 2" 0 1; then
+ 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
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ fi
+}
+
+fullmesh_tests()
+{
+ # fullmesh 1
+ # 2 fullmesh addrs in ns2, added before the connection,
+ # 1 non-fullmesh addr in ns1, added during the connection.
+ if reset "fullmesh test 2x1"; then
+ pm_nl_set_limits $ns1 0 4
+ pm_nl_set_limits $ns2 1 4
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
+ run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
+ chk_join_nr 4 4 4
+ chk_add_nr 1 1
+ fi
+
+ # fullmesh 2
+ # 1 non-fullmesh addr in ns1, added before the connection,
+ # 1 fullmesh addr in ns2, added during the connection.
+ if reset "fullmesh test 1x1"; then
+ 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
+ run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
+ chk_join_nr 3 3 3
+ chk_add_nr 1 1
+ fi
+
+ # fullmesh 3
+ # 1 non-fullmesh addr in ns1, added before the connection,
+ # 2 fullmesh addrs in ns2, added during the connection.
+ if reset "fullmesh test 1x2"; then
+ pm_nl_set_limits $ns1 2 5
+ pm_nl_set_limits $ns2 1 5
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
+ chk_join_nr 5 5 5
+ chk_add_nr 1 1
+ fi
+
+ # 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.
+ if reset "fullmesh test 1x2, limited"; then
+ pm_nl_set_limits $ns1 2 4
+ pm_nl_set_limits $ns2 1 4
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
+ chk_join_nr 4 4 4
+ chk_add_nr 1 1
+ fi
+
+ # set fullmesh flag
+ if reset "set fullmesh flag test"; then
+ pm_nl_set_limits $ns1 4 4
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
+ pm_nl_set_limits $ns2 4 4
+ run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
+ chk_join_nr 2 2 2
+ chk_rm_nr 0 1
+ fi
+
+ # set nofullmesh flag
+ if reset "set nofullmesh flag test"; then
+ pm_nl_set_limits $ns1 4 4
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
+ pm_nl_set_limits $ns2 4 4
+ run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
+ chk_join_nr 2 2 2
+ chk_rm_nr 0 1
+ fi
+
+ # set backup,fullmesh flags
+ if reset "set backup,fullmesh flags test"; then
+ pm_nl_set_limits $ns1 4 4
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
+ pm_nl_set_limits $ns2 4 4
+ run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
+ chk_join_nr 2 2 2
+ chk_prio_nr 0 1
+ chk_rm_nr 0 1
+ fi
+
+ # set nobackup,nofullmesh flags
+ if reset "set nobackup,nofullmesh flags test"; then
+ pm_nl_set_limits $ns1 4 4
+ pm_nl_set_limits $ns2 4 4
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
+ chk_join_nr 2 2 2
+ chk_prio_nr 0 1
+ chk_rm_nr 0 1
+ fi
+}
+
+fastclose_tests()
+{
+ if reset "fastclose test"; then
+ run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
+ chk_join_nr 0 0 0
+ chk_fclose_nr 1 1
+ chk_rst_nr 1 1 invert
+ fi
+
+ if reset "fastclose server test"; then
+ run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
+ chk_join_nr 0 0 0
+ chk_fclose_nr 1 1 invert
+ chk_rst_nr 1 1
+ fi
+}
+
+pedit_action_pkts()
+{
+ tc -n $ns2 -j -s action show action pedit index 100 | \
+ grep "packets" | \
+ sed 's/.*"packets":\([0-9]\+\),.*/\1/'
+}
+
+fail_tests()
+{
+ # single subflow
+ if reset_with_fail "Infinite map" 1; then
+ run_tests $ns1 $ns2 10.0.1.1 128
+ chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)"
+ 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
+ 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
+ run_tests $ns1 $ns2 10.0.1.1 1024
+ chk_join_nr 1 1 1 1 0 1 1 0 "$(pedit_action_pkts)"
+ fi
+}
+
+userspace_tests()
+{
+ # userspace pm type prevents add_addr
+ if reset "userspace pm type prevents add_addr"; then
+ set_userspace_pm $ns1
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ chk_add_nr 0 0
+ fi
+
+ # userspace pm type does not echo add_addr without daemon
+ if reset "userspace pm no echo w/o daemon"; then
+ set_userspace_pm $ns2
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 0 0 0
+ chk_add_nr 1 0
+ fi
+
+ # userspace pm type rejects join
+ if reset "userspace pm type rejects join"; then
+ set_userspace_pm $ns1
+ pm_nl_set_limits $ns1 1 1
+ 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
+ fi
+
+ # userspace pm type does not send join
+ if reset "userspace pm type does not send join"; then
+ set_userspace_pm $ns2
+ pm_nl_set_limits $ns1 1 1
+ 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 0 0 0
+ fi
+
+ # userspace pm type prevents mp_prio
+ if reset "userspace pm type prevents mp_prio"; then
+ set_userspace_pm $ns1
+ pm_nl_set_limits $ns1 1 1
+ 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 0 0 0 slow backup
+ chk_join_nr 1 1 0
+ chk_prio_nr 0 0
+ fi
+
+ # userspace pm type prevents rm_addr
+ if reset "userspace pm type prevents rm_addr"; then
+ set_userspace_pm $ns1
+ set_userspace_pm $ns2
+ pm_nl_set_limits $ns1 0 1
+ 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 0 0 -1 slow
+ chk_join_nr 0 0 0
+ chk_rm_nr 0 0
+ fi
+
+ # userspace pm add & remove address
+ if reset "userspace pm add & remove address"; then
+ set_userspace_pm $ns1
+ pm_nl_set_limits $ns2 1 1
+ run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ chk_rm_nr 1 1 invert
+ fi
+
+ # userspace pm create destroy subflow
+ if reset "userspace pm create destroy subflow"; then
+ set_userspace_pm $ns2
+ pm_nl_set_limits $ns1 0 1
+ run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
+ chk_join_nr 1 1 1
+ chk_rm_nr 0 1
+ fi
+}
+
+endpoint_tests()
+{
+ # userspace pm type prevents add_addr
+ if reset "implicit EP"; then
+ 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
+ run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
+
+ wait_mpj $ns1
+ pm_nl_check_endpoint 1 "creation" \
+ $ns2 10.0.2.2 id 1 flags implicit
+
+ pm_nl_add_endpoint $ns2 10.0.2.2 id 33
+ pm_nl_check_endpoint 0 "ID change is prevented" \
+ $ns2 10.0.2.2 id 1 flags implicit
+
+ pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
+ pm_nl_check_endpoint 0 "modif is allowed" \
+ $ns2 10.0.2.2 id 1 flags signal
+ wait
+ fi
+
+ if reset "delete and re-add"; then
+ pm_nl_set_limits $ns1 1 1
+ pm_nl_set_limits $ns2 1 1
+ pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1 4 0 0 slow &
+
+ wait_mpj $ns2
+ pm_nl_del_endpoint $ns2 2 10.0.2.2
+ sleep 0.5
+ chk_subflow_nr needtitle "after delete" 1
+
+ pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
+ wait_mpj $ns2
+ chk_subflow_nr "" "after re-add" 2
+ wait
+ fi
+}
+
+# [$1: error message]
+usage()
+{
+ if [ -n "${1}" ]; then
+ echo "${1}"
+ ret=1
+ fi
+
+ echo "mptcp_join usage:"
+
+ local key
+ for key in "${!all_tests[@]}"; do
+ echo " -${key} ${all_tests[${key}]}"
+ done
+
+ echo " -c capture pcap files"
+ echo " -C enable data checksum"
+ echo " -i use ip mptcp"
+ echo " -h help"
+
+ echo "[test ids|names]"
+
+ exit ${ret}
+}
+
+
+# Use a "simple" array to force an specific order we cannot have with an associative one
+all_tests_sorted=(
+ f@subflows_tests
+ e@subflows_error_tests
+ s@signal_address_tests
+ l@link_failure_tests
+ t@add_addr_timeout_tests
+ r@remove_tests
+ a@add_tests
+ 6@ipv6_tests
+ 4@v4mapped_tests
+ b@backup_tests
+ p@add_addr_ports_tests
+ k@syncookies_tests
+ S@checksum_tests
+ d@deny_join_id0_tests
+ m@fullmesh_tests
+ z@fastclose_tests
+ F@fail_tests
+ u@userspace_tests
+ I@endpoint_tests
+)
+
+all_tests_args=""
+all_tests_names=()
+for subtests in "${all_tests_sorted[@]}"; do
+ key="${subtests%@*}"
+ value="${subtests#*@}"
+
+ all_tests_args+="${key}"
+ all_tests_names+=("${value}")
+ all_tests[${key}]="${value}"
+done
+
+tests=()
+while getopts "${all_tests_args}cCih" opt; do
+ case $opt in
+ ["${all_tests_args}"])
+ tests+=("${all_tests[${opt}]}")
+ ;;
+ c)
+ capture=1
+ ;;
+ C)
+ checksum=1
+ ;;
+ i)
+ ip_mptcp=1
+ ;;
+ h)
+ usage
+ ;;
+ *)
+ usage "Unknown option: -${opt}"
+ ;;
+ esac
+done
+
+shift $((OPTIND - 1))
+
+for arg in "${@}"; do
+ if [[ "${arg}" =~ ^[0-9]+$ ]]; then
+ only_tests_ids+=("${arg}")
+ else
+ only_tests_names+=("${arg}")
+ fi
+done
+
+if [ ${#tests[@]} -eq 0 ]; then
+ tests=("${all_tests_names[@]}")
+fi
+
+for subtests in "${tests[@]}"; do
+ "${subtests}"
+done
+
+if [ ${ret} -ne 0 ]; then
+ echo
+ echo "${#failed_tests[@]} failure(s) has(ve) been detected:"
+ for i in $(get_failed_tests_ids); do
+ echo -e "\t- ${i}: ${failed_tests[${i}]}"
+ done
+ echo
+fi
+
+exit $ret
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.