2 # SPDX-License-Identifier: GPL-2.0
4 ip -Version > /dev/null 2>&1
6 echo "SKIP: Cannot not run test without ip tool"
10 ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED
11 REMOVED=7 # MPTCP_EVENT_REMOVED
12 SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED
13 SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED
14 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
15 LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
38 client_addr_id=${RANDOM:0:2}
39 server_addr_id=${RANDOM:0:2}
42 rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX)
48 stdbuf -o0 -e0 printf "INFO: %s\n" "${1}"
53 [ $1 -eq 0 ] && return 0
55 kill -SIGUSR1 $1 > /dev/null 2>&1
56 kill $1 > /dev/null 2>&1
64 # Terminate the MPTCP connection and related processes
66 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\
67 $server_evts_pid $client_evts_pid
73 for netns in "$ns1" "$ns2" ;do
77 rm -rf $file $client_evts $server_evts
79 stdbuf -o0 -e0 printf "Done\n"
84 # Create and configure network namespaces for testing
85 for i in "$ns1" "$ns2" ;do
86 ip netns add "$i" || exit 1
87 ip -net "$i" link set lo up
88 ip netns exec "$i" sysctl -q net.mptcp.enabled=1
89 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1
95 ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
97 # Add IPv4/v6 addresses to the namespaces
98 ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2
99 ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2
100 ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad
101 ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad
102 ip -net "$ns1" link set ns1eth2 up
104 ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1
105 ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1
106 ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad
107 ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad
108 ip -net "$ns2" link set ns2eth1 up
111 stdbuf -o0 -e0 printf "Created network namespaces ns1, ns2 \t\t\t[OK]\n"
115 # Store a chunk of data in a file to transmit over an MPTCP connection
119 dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null
120 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
125 if [ -z "$file" ]; then
128 make_file "$file" "client"
131 local app_port=$app4_port
132 local connect_addr="10.0.1.1"
133 local listen_addr="0.0.0.0"
134 if [ "$is_v6" = "v6" ]
136 connect_addr="dead:beef:1::1"
143 # Capture netlink events over the two network namespaces running
144 # the MPTCP client and server
145 if [ -z "$client_evts" ]; then
146 client_evts=$(mktemp)
149 if [ $client_evts_pid -ne 0 ]; then
150 kill_wait $client_evts_pid
152 ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 &
154 if [ -z "$server_evts" ]; then
155 server_evts=$(mktemp)
158 if [ $server_evts_pid -ne 0 ]; then
159 kill_wait $server_evts_pid
161 ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 &
166 ip netns exec "$ns1" \
167 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 &
171 # Run the client, transfer $file and stay connected to the server
173 ip netns exec "$ns2" \
174 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\
175 2>&1 > /dev/null < "$file" &
179 # Capture client/server attributes from MPTCP connection netlink events
183 local client_serverside
185 local server_serverside
187 client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
188 client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
189 client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\
191 server_token=$(grep "type:1," "$server_evts" |
192 sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
193 server_serverside=$(grep "type:1," "$server_evts" |
194 sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q')
196 stdbuf -o0 -e0 printf "Established IP%s MPTCP Connection ns2 => ns1 \t\t" $is_v6
197 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] &&
198 [ "$server_serverside" = 1 ]
200 stdbuf -o0 -e0 printf "[OK]\n"
202 stdbuf -o0 -e0 printf "[FAIL]\n"
203 stdbuf -o0 -e0 printf "\tExpected tokens (c:%s - s:%s) and server (c:%d - s:%d)\n" \
204 "${client_token}" "${server_token}" \
205 "${client_serverside}" "${server_serverside}"
209 if [ "$is_v6" = "v6" ]
211 client6_token=$client_token
212 server6_token=$server_token
213 client6_port=$client_port
214 client6_pid=$client_pid
215 server6_pid=$server_pid
217 client4_token=$client_token
218 server4_token=$server_token
219 client4_port=$client_port
220 client4_pid=$client_pid
221 server4_pid=$server_pid
225 # $1: var name ; $2: prev ret
230 local prev_ret="${2}"
232 if [ "${!var}" = "${!exp}" ]
237 if [ "${prev_ret}" = "0" ]
239 stdbuf -o0 -e0 printf "[FAIL]\n"
242 stdbuf -o0 -e0 printf "\tExpected value for '%s': '%s', got '%s'.\n" \
243 "${var}" "${!exp}" "${!var}"
247 # $@: all var names to check
255 check_expected_one "${var}" "${ret}" || ret=1
260 stdbuf -o0 -e0 printf "[OK]\n"
267 verify_announce_event()
282 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
283 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
284 if [ "$e_af" = "v6" ]
286 addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
288 addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
290 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
291 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
293 check_expected "type" "token" "addr" "dport" "id"
298 print_title "Announce tests"
300 # Capture events on the network namespace running the server
303 # ADD_ADDR using an invalid token should result in no action
304 local invalid_token=$(( client4_token - 1))
305 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\
306 $client_addr_id dev ns2eth1 > /dev/null 2>&1
309 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
310 stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t"
313 stdbuf -o0 -e0 printf "[OK]\n"
315 stdbuf -o0 -e0 printf "[FAIL]\n\ttype defined: %s\n" "${type}"
319 # ADD_ADDR from the client to server machine reusing the subflow port
321 ip netns exec "$ns2"\
322 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\
323 ns2eth1 > /dev/null 2>&1
324 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id
326 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \
329 # ADD_ADDR6 from the client to server machine reusing the subflow port
331 ip netns exec "$ns2" ./pm_nl_ctl ann\
332 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1
333 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id
335 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\
336 "$client_addr_id" "$client6_port" "v6"
338 # ADD_ADDR from the client to server machine using a new port
340 client_addr_id=$((client_addr_id+1))
341 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
342 $client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1
343 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id
345 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\
346 "$client_addr_id" "$new4_port"
348 # Capture events on the network namespace running the client
351 # ADD_ADDR from the server to client machine reusing the subflow port
352 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
353 $server_addr_id dev ns1eth2 > /dev/null 2>&1
354 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id
356 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
357 "$server_addr_id" "$app4_port"
359 # ADD_ADDR6 from the server to client machine reusing the subflow port
361 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
362 $server_addr_id dev ns1eth2 > /dev/null 2>&1
363 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id
365 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\
366 "$server_addr_id" "$app6_port" "v6"
368 # ADD_ADDR from the server to client machine using a new port
370 server_addr_id=$((server_addr_id+1))
371 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
372 $server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1
373 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id
375 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
376 "$server_addr_id" "$new4_port"
379 verify_remove_event()
389 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
390 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
391 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
393 check_expected "type" "token" "id"
398 print_title "Remove tests"
400 # Capture events on the network namespace running the server
403 # RM_ADDR using an invalid token should result in no action
404 local invalid_token=$(( client4_token - 1 ))
405 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\
406 $client_addr_id > /dev/null 2>&1
407 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\
410 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
413 stdbuf -o0 -e0 printf "[OK]\n"
415 stdbuf -o0 -e0 printf "[FAIL]\n"
418 # RM_ADDR using an invalid addr id should result in no action
419 local invalid_id=$(( client_addr_id + 1 ))
420 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
421 $invalid_id > /dev/null 2>&1
422 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\
424 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
427 stdbuf -o0 -e0 printf "[OK]\n"
429 stdbuf -o0 -e0 printf "[FAIL]\n"
432 # RM_ADDR from the client to server machine
434 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
435 $client_addr_id > /dev/null 2>&1
436 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\
439 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
441 # RM_ADDR from the client to server machine
443 client_addr_id=$(( client_addr_id - 1 ))
444 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
445 $client_addr_id > /dev/null 2>&1
446 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\
449 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
451 # RM_ADDR6 from the client to server machine
453 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\
454 $client_addr_id > /dev/null 2>&1
455 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns2 => ns1 \t"\
458 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id"
460 # Capture events on the network namespace running the client
463 # RM_ADDR from the server to client machine
464 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\
465 $server_addr_id > /dev/null 2>&1
466 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t"\
469 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
471 # RM_ADDR from the server to client machine
473 server_addr_id=$(( server_addr_id - 1 ))
474 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\
475 $server_addr_id > /dev/null 2>&1
476 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t" $server_addr_id
478 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
480 # RM_ADDR6 from the server to client machine
482 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\
483 $server_addr_id > /dev/null 2>&1
484 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns1 => ns2 \t" $server_addr_id
486 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id"
489 verify_subflow_events()
512 if [ "$e_type" = "$SUB_ESTABLISHED" ]
514 if [ "$e_family" = "$AF_INET6" ]
516 stdbuf -o0 -e0 printf "CREATE_SUBFLOW6 %s (%s) => %s (%s) "\
517 "$e_saddr" "$e_from" "$e_daddr" "$e_to"
519 stdbuf -o0 -e0 printf "CREATE_SUBFLOW %s (%s) => %s (%s) \t"\
520 "$e_saddr" "$e_from" "$e_daddr" "$e_to"
523 if [ "$e_family" = "$AF_INET6" ]
525 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW6 %s (%s) => %s (%s) "\
526 "$e_saddr" "$e_from" "$e_daddr" "$e_to"
528 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW %s (%s) => %s (%s) \t"\
529 "$e_saddr" "$e_from" "$e_daddr" "$e_to"
533 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
534 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
535 family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
536 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
537 locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
538 remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
539 if [ "$family" = "$AF_INET6" ]
541 saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
542 daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
544 saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
545 daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
548 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid"
553 print_title "Subflows v4 or v6 only tests"
555 # Capture events on the network namespace running the server
558 # Attempt to add a listener at 10.0.2.2:<subflow-port>
559 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
560 "$client4_port" > /dev/null 2>&1 &
561 local listener_pid=$!
563 # ADD_ADDR from client to server machine reusing the subflow port
564 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
565 $client_addr_id > /dev/null 2>&1
568 # CREATE_SUBFLOW from server to client machine
570 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\
571 rport "$client4_port" token "$server4_token" > /dev/null 2>&1
573 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \
574 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"
576 # Delete the listener from the client ns, if one was created
577 kill_wait $listener_pid
580 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
582 # DESTROY_SUBFLOW from server to client machine
584 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\
585 "$client4_port" token "$server4_token" > /dev/null 2>&1
587 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\
588 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"
590 # RM_ADDR from client to server machine
591 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
592 "$client4_token" > /dev/null 2>&1
595 # Attempt to add a listener at dead:beef:2::2:<subflow-port>
596 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\
597 "$client6_port" > /dev/null 2>&1 &
600 # ADD_ADDR6 from client to server machine reusing the subflow port
602 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\
603 $client_addr_id > /dev/null 2>&1
606 # CREATE_SUBFLOW6 from server to client machine
608 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\
609 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1
611 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\
612 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\
613 "$client_addr_id" "ns1" "ns2"
615 # Delete the listener from the client ns, if one was created
616 kill_wait $listener_pid
618 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
620 # DESTROY_SUBFLOW6 from server to client machine
622 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\
623 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1
625 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\
626 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\
627 "$client_addr_id" "ns1" "ns2"
629 # RM_ADDR from client to server machine
630 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
631 "$client6_token" > /dev/null 2>&1
634 # Attempt to add a listener at 10.0.2.2:<new-port>
635 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
636 $new4_port > /dev/null 2>&1 &
639 # ADD_ADDR from client to server machine using a new port
641 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
642 $client_addr_id port $new4_port > /dev/null 2>&1
645 # CREATE_SUBFLOW from server to client machine
647 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\
648 $new4_port token "$server4_token" > /dev/null 2>&1
650 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\
651 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\
652 "$client_addr_id" "ns1" "ns2"
654 # Delete the listener from the client ns, if one was created
655 kill_wait $listener_pid
657 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
659 # DESTROY_SUBFLOW from server to client machine
661 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\
662 $new4_port token "$server4_token" > /dev/null 2>&1
664 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\
665 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2"
667 # RM_ADDR from client to server machine
668 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
669 "$client4_token" > /dev/null 2>&1
671 # Capture events on the network namespace running the client
674 # Attempt to add a listener at 10.0.2.1:<subflow-port>
675 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
676 $app4_port > /dev/null 2>&1 &
679 # ADD_ADDR from server to client machine reusing the subflow port
680 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
681 $server_addr_id > /dev/null 2>&1
684 # CREATE_SUBFLOW from client to server machine
686 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
687 $app4_port token "$client4_token" > /dev/null 2>&1
689 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\
690 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"
692 # Delete the listener from the server ns, if one was created
693 kill_wait $listener_pid
695 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
697 # DESTROY_SUBFLOW from client to server machine
699 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
700 $app4_port token "$client4_token" > /dev/null 2>&1
702 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\
703 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"
705 # RM_ADDR from server to client machine
706 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
707 "$server4_token" > /dev/null 2>&1
710 # Attempt to add a listener at dead:beef:2::1:<subflow-port>
711 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\
712 $app6_port > /dev/null 2>&1 &
715 # ADD_ADDR6 from server to client machine reusing the subflow port
717 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
718 $server_addr_id > /dev/null 2>&1
721 # CREATE_SUBFLOW6 from client to server machine
723 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\
724 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1
726 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
727 "$AF_INET6" "dead:beef:2::2"\
728 "dead:beef:2::1" "$app6_port" "23"\
729 "$server_addr_id" "ns2" "ns1"
731 # Delete the listener from the server ns, if one was created
732 kill_wait $listener_pid
734 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
736 # DESTROY_SUBFLOW6 from client to server machine
738 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\
739 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1
741 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\
742 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1"
744 # RM_ADDR6 from server to client machine
745 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
746 "$server6_token" > /dev/null 2>&1
749 # Attempt to add a listener at 10.0.2.1:<new-port>
750 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
751 $new4_port > /dev/null 2>&1 &
754 # ADD_ADDR from server to client machine using a new port
756 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
757 $server_addr_id port $new4_port > /dev/null 2>&1
760 # CREATE_SUBFLOW from client to server machine
762 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
763 $new4_port token "$client4_token" > /dev/null 2>&1
765 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\
766 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"
768 # Delete the listener from the server ns, if one was created
769 kill_wait $listener_pid
771 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
773 # DESTROY_SUBFLOW from client to server machine
775 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
776 $new4_port token "$client4_token" > /dev/null 2>&1
778 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\
779 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"
781 # RM_ADDR from server to client machine
782 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
783 "$server4_token" > /dev/null 2>&1
786 test_subflows_v4_v6_mix()
788 print_title "Subflows v4 and v6 mix tests"
790 # Attempt to add a listener at 10.0.2.1:<subflow-port>
791 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
792 $app6_port > /dev/null 2>&1 &
793 local listener_pid=$!
795 # ADD_ADDR4 from server to client machine reusing the subflow port on
796 # the established v6 connection
798 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\
799 $server_addr_id dev ns1eth2 > /dev/null 2>&1
800 stdbuf -o0 -e0 printf "ADD_ADDR4 id:%d 10.0.2.1 (ns1) => ns2, reuse port\t\t" $server_addr_id
802 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\
803 "$server_addr_id" "$app6_port"
805 # CREATE_SUBFLOW from client to server machine
807 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
808 $app6_port token "$client6_token" > /dev/null 2>&1
810 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
811 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
812 "$server_addr_id" "ns2" "ns1"
814 # Delete the listener from the server ns, if one was created
815 kill_wait $listener_pid
817 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
819 # DESTROY_SUBFLOW from client to server machine
821 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
822 $app6_port token "$client6_token" > /dev/null 2>&1
824 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \
825 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
826 "$server_addr_id" "ns2" "ns1"
828 # RM_ADDR from server to client machine
829 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
830 "$server6_token" > /dev/null 2>&1
836 print_title "Prio tests"
840 # Send MP_PRIO signal from client to server machine
841 ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$server4_port"
845 stdbuf -o0 -e0 printf "MP_PRIO TX \t"
846 count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
847 [ -z "$count" ] && count=0
848 if [ $count != 1 ]; then
849 stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}"
852 stdbuf -o0 -e0 printf "[OK]\n"
856 stdbuf -o0 -e0 printf "MP_PRIO RX \t"
857 count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
858 [ -z "$count" ] && count=0
859 if [ $count != 1 ]; then
860 stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}"
863 stdbuf -o0 -e0 printf "[OK]\n"
867 verify_listener_events()
879 if [ $e_type = $LISTENER_CREATED ]; then
880 stdbuf -o0 -e0 printf "CREATE_LISTENER %s:%s\t\t\t\t\t"\
882 elif [ $e_type = $LISTENER_CLOSED ]; then
883 stdbuf -o0 -e0 printf "CLOSE_LISTENER %s:%s\t\t\t\t\t"\
887 type=$(grep "type:$e_type," $evt |
888 sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
889 family=$(grep "type:$e_type," $evt |
890 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
891 sport=$(grep "type:$e_type," $evt |
892 sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
893 if [ $family ] && [ $family = $AF_INET6 ]; then
894 saddr=$(grep "type:$e_type," $evt |
895 sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
897 saddr=$(grep "type:$e_type," $evt |
898 sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
901 check_expected "type" "family" "saddr" "sport"
906 print_title "Listener tests"
908 # Capture events on the network namespace running the client
911 # Attempt to add a listener at 10.0.2.2:<subflow-port>
912 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\
913 $client4_port > /dev/null 2>&1 &
914 local listener_pid=$!
917 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port
919 # ADD_ADDR from client to server machine reusing the subflow port
920 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\
921 $client_addr_id > /dev/null 2>&1
924 # CREATE_SUBFLOW from server to client machine
925 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\
926 rport $client4_port token $server4_token > /dev/null 2>&1
929 # Delete the listener from the client ns, if one was created
930 kill_wait $listener_pid
933 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port
936 print_title "Make connections"
943 test_subflows_v4_v6_mix