2 # SPDX-License-Identifier: GPL-2.0
4 . "$(dirname "${0}")/mptcp_lib.sh"
13 timeout_test=$((timeout_poll * 2 + 1))
22 for t in iptables ip6tables; do
23 # just to debug: check we have multiple subflows connection requests
24 ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT
26 # RST packets might be handled by a internal dummy socket
27 ip netns exec $ns $t -A OUTPUT -p tcp --tcp-flags RST RST -m mark --mark 0 -j ACCEPT
29 ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark $m -j ACCEPT
30 ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark 0 -j DROP
36 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
40 ns_sbox="ns_sbox-$rndh"
42 for netns in "$ns1" "$ns2" "$ns_sbox";do
43 ip netns add $netns || exit $ksft_skip
44 ip -net $netns link set lo up
45 ip netns exec $netns sysctl -q net.mptcp.enabled=1
46 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
47 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
50 for i in `seq 1 4`; do
51 ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
52 ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
53 ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
54 ip -net "$ns1" link set ns1eth$i up
56 ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
57 ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
58 ip -net "$ns2" link set ns2eth$i up
60 # let $ns2 reach any $ns1 address from any interface
61 ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
63 ip netns exec $ns1 ./pm_nl_ctl add 10.0.$i.1 flags signal
64 ip netns exec $ns1 ./pm_nl_ctl add dead:beef:$i::1 flags signal
66 ip netns exec $ns2 ./pm_nl_ctl add 10.0.$i.2 flags signal
67 ip netns exec $ns2 ./pm_nl_ctl add dead:beef:$i::2 flags signal
70 ip netns exec $ns1 ./pm_nl_ctl limits 8 8
71 ip netns exec $ns2 ./pm_nl_ctl limits 8 8
79 for netns in "$ns1" "$ns2" "$ns_sbox"; do
87 mptcp_lib_check_kallsyms
89 ip -Version > /dev/null 2>&1
91 echo "SKIP: Could not run test without ip tool"
95 iptables -V > /dev/null 2>&1
97 echo "SKIP: Could not run all tests without iptables tool"
101 ip6tables -V > /dev/null 2>&1
103 echo "SKIP: Could not run all tests without ip6tables tool"
114 if [ $af -eq 6 ];then
118 counters=$(ip netns exec $ns $tables -v -L OUTPUT | grep DROP)
119 values=${counters%DROP*}
122 if [ $v -ne 0 ]; then
123 echo "FAIL: got $tables $values in ns $ns , not 0 - not all expected packets marked" 1>&2
134 echo "Trailing bytes are: "
144 cmp "$in" "$out" > /dev/null 2>&1
145 if [ $? -ne 0 ] ;then
146 echo "[ FAIL ] $what does not match (in, out):"
148 print_file_err "$out"
176 mptcp_connect="./mptcp_connect -r 20"
179 if is_v6 "${connect_addr}"; then
186 if mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
190 timeout ${timeout_test} \
191 ip netns exec ${listener_ns} \
192 $mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
193 ${local_addr} < "$sin" > "$sout" &
198 timeout ${timeout_test} \
199 ip netns exec ${connector_ns} \
200 $mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c "${cmsg}" \
201 $connect_addr < "$cin" > "$cout" &
210 if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
211 echo " client exit code $retc, server $rets" 1>&2
212 echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
213 ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
215 echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
216 ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
222 if [ $local_addr = "::" ];then
223 check_mark $listener_ns 6
224 check_mark $connector_ns 6
226 check_mark $listener_ns 4
227 check_mark $connector_ns 4
230 check_transfer $cin $sout "file received by server"
234 if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
247 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null
248 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
250 echo "Created $name (size $size KB) containing data sent by $who"
253 do_mptcp_sockopt_tests()
257 if ! mptcp_lib_kallsyms_has "mptcp_diag_fill_info$"; then
258 echo "INFO: MPTCP sockopt not supported: SKIP"
262 ip netns exec "$ns_sbox" ./mptcp_sockopt
265 if [ $lret -ne 0 ]; then
266 echo "FAIL: SOL_MPTCP getsockopt" 1>&2
271 ip netns exec "$ns_sbox" ./mptcp_sockopt -6
274 if [ $lret -ne 0 ]; then
275 echo "FAIL: SOL_MPTCP getsockopt (ipv6)" 1>&2
288 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
292 if [ $lret -ne 0 ]; then
300 ip netns exec "$ns1" ./mptcp_inq "$@"
302 if [ $lret -ne 0 ];then
304 echo "FAIL: mptcp_inq $@" 1>&2
308 echo "PASS: TCP_INQ cmsg/ioctl $@"
316 ip netns exec "$ns1" iptables -F
317 ip netns exec "$ns1" ip6tables -F
319 if ! mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
320 echo "INFO: TCP_INQ not supported: SKIP"
324 for args in "-t tcp" "-r tcp"; do
327 if [ $lret -ne 0 ] ; then
330 do_tcpinq_test -6 $args
332 if [ $lret -ne 0 ] ; then
337 do_tcpinq_test -r tcp -t tcp
347 make_file "$cin" "client" 1
348 make_file "$sin" "server" 1
351 run_tests $ns1 $ns2 10.0.1.1
352 run_tests $ns1 $ns2 dead:beef:1::1
354 if [ $ret -eq 0 ];then
355 echo "PASS: all packets had packet mark set"
358 do_mptcp_sockopt_tests
359 if [ $ret -eq 0 ];then
360 echo "PASS: SOL_MPTCP getsockopt has expected information"