Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Double quotes to prevent globbing and word splitting is recommended in new
5# code but we accept it.
6#shellcheck disable=SC2086
7
8# Some variables are used below but indirectly, see verify_*_event()
9#shellcheck disable=SC2034
10
11. "$(dirname "${0}")/mptcp_lib.sh"
12
13mptcp_lib_check_mptcp
14mptcp_lib_check_kallsyms
15
16if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
17 echo "userspace pm tests are not supported by the kernel: SKIP"
18 exit ${KSFT_SKIP}
19fi
20mptcp_lib_check_tools ip
21
22ANNOUNCED=${MPTCP_LIB_EVENT_ANNOUNCED}
23REMOVED=${MPTCP_LIB_EVENT_REMOVED}
24SUB_ESTABLISHED=${MPTCP_LIB_EVENT_SUB_ESTABLISHED}
25SUB_CLOSED=${MPTCP_LIB_EVENT_SUB_CLOSED}
26LISTENER_CREATED=${MPTCP_LIB_EVENT_LISTENER_CREATED}
27LISTENER_CLOSED=${MPTCP_LIB_EVENT_LISTENER_CLOSED}
28
29AF_INET=${MPTCP_LIB_AF_INET}
30AF_INET6=${MPTCP_LIB_AF_INET6}
31
32file=""
33server_evts=""
34client_evts=""
35server_evts_pid=0
36client_evts_pid=0
37client4_pid=0
38server4_pid=0
39client6_pid=0
40server6_pid=0
41client4_token=""
42server4_token=""
43client6_token=""
44server6_token=""
45client4_port=0;
46client6_port=0;
47app4_port=50002
48new4_port=50003
49app6_port=50004
50client_addr_id=${RANDOM:0:2}
51server_addr_id=${RANDOM:0:2}
52
53ns1=""
54ns2=""
55ret=0
56test_name=""
57# a bit more space: because we have more to display
58MPTCP_LIB_TEST_FORMAT="%02u %-68s"
59
60print_title()
61{
62 mptcp_lib_pr_info "${1}"
63}
64
65# $1: test name
66print_test()
67{
68 test_name="${1}"
69
70 mptcp_lib_print_title "${test_name}"
71}
72
73test_pass()
74{
75 mptcp_lib_pr_ok
76 mptcp_lib_result_pass "${test_name}"
77}
78
79test_skip()
80{
81 mptcp_lib_pr_skip
82 mptcp_lib_result_skip "${test_name}"
83}
84
85# $1: msg
86test_fail()
87{
88 if [ ${#} -gt 0 ]
89 then
90 mptcp_lib_pr_fail "${@}"
91 fi
92 ret=${KSFT_FAIL}
93 mptcp_lib_result_fail "${test_name}"
94}
95
96# This function is used in the cleanup trap
97#shellcheck disable=SC2317,SC2329
98cleanup()
99{
100 print_title "Cleanup"
101
102 # Terminate the MPTCP connection and related processes
103 local pid
104 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\
105 $server_evts_pid $client_evts_pid
106 do
107 mptcp_lib_kill_wait $pid
108 done
109
110 mptcp_lib_ns_exit "${ns1}" "${ns2}"
111
112 rm -rf $file $client_evts $server_evts
113
114 mptcp_lib_pr_info "Done"
115}
116
117trap cleanup EXIT
118
119# Create and configure network namespaces for testing
120print_title "Init"
121mptcp_lib_ns_init ns1 ns2
122
123# check path_manager and pm_type sysctl mapping
124if [ -f /proc/sys/net/mptcp/path_manager ]; then
125 ip netns exec "$ns1" sysctl -q net.mptcp.path_manager=userspace
126 pm_type="$(ip netns exec "$ns1" sysctl -n net.mptcp.pm_type)"
127 if [ "${pm_type}" != "1" ]; then
128 test_fail "unexpected pm_type: ${pm_type}"
129 mptcp_lib_result_print_all_tap
130 exit ${KSFT_FAIL}
131 fi
132
133 ip netns exec "$ns1" sysctl -q net.mptcp.path_manager=error 2>/dev/null
134 pm_type="$(ip netns exec "$ns1" sysctl -n net.mptcp.pm_type)"
135 if [ "${pm_type}" != "1" ]; then
136 test_fail "unexpected pm_type after error: ${pm_type}"
137 mptcp_lib_result_print_all_tap
138 exit ${KSFT_FAIL}
139 fi
140
141 ip netns exec "$ns1" sysctl -q net.mptcp.pm_type=0
142 pm_name="$(ip netns exec "$ns1" sysctl -n net.mptcp.path_manager)"
143 if [ "${pm_name}" != "kernel" ]; then
144 test_fail "unexpected path-manager: ${pm_name}"
145 mptcp_lib_result_print_all_tap
146 exit ${KSFT_FAIL}
147 fi
148fi
149
150for i in "$ns1" "$ns2" ;do
151 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1
152done
153
154# "$ns1" ns2
155# ns1eth2 ns2eth1
156
157ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
158
159# Add IPv4/v6 addresses to the namespaces
160ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2
161ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2
162ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad
163ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad
164ip -net "$ns1" link set ns1eth2 up
165
166ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1
167ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1
168ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad
169ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad
170ip -net "$ns2" link set ns2eth1 up
171
172file=$(mktemp)
173mptcp_lib_make_file "$file" 2 1
174
175# Capture netlink events over the two network namespaces running
176# the MPTCP client and server
177client_evts=$(mktemp)
178mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid
179server_evts=$(mktemp)
180mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid
181sleep 0.5
182mptcp_lib_subtests_last_ts_reset
183
184print_test "Created network namespaces ns1, ns2"
185test_pass
186
187make_connection()
188{
189 local is_v6=$1
190 local app_port=$app4_port
191 local connect_addr="10.0.1.1"
192 local client_addr="10.0.1.2"
193 local listen_addr="0.0.0.0"
194 if [ "$is_v6" = "v6" ]
195 then
196 connect_addr="dead:beef:1::1"
197 client_addr="dead:beef:1::2"
198 listen_addr="::"
199 app_port=$app6_port
200 else
201 is_v6="v4"
202 fi
203
204 # set this on the client side only: will not affect the rest
205 ip netns exec "$ns2" sysctl -q net.mptcp.allow_join_initial_addr_port=0
206
207 :>"$client_evts"
208 :>"$server_evts"
209
210 # Run the server
211 ip netns exec "$ns1" \
212 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 &
213 local server_pid=$!
214
215 mptcp_lib_wait_local_port_listen "${ns1}" "${port}"
216
217 # Run the client, transfer $file and stay connected to the server
218 # to conduct tests
219 ip netns exec "$ns2" \
220 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\
221 2>&1 > /dev/null < "$file" &
222 local client_pid=$!
223 sleep 1
224
225 # Capture client/server attributes from MPTCP connection netlink events
226
227 local client_token
228 local client_port
229 local client_serverside
230 local client_nojoin
231 local server_token
232 local server_serverside
233 local server_nojoin
234
235 client_token=$(mptcp_lib_evts_get_info token "$client_evts")
236 client_port=$(mptcp_lib_evts_get_info sport "$client_evts")
237 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts")
238 client_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$client_evts")
239 server_token=$(mptcp_lib_evts_get_info token "$server_evts")
240 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts")
241 server_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$server_evts")
242
243 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1"
244 if [ "${client_token}" != "" ] && [ "${server_token}" != "" ] &&
245 [ "${client_serverside:-0}" = 0 ] && [ "${server_serverside:-0}" = 1 ] &&
246 [ "${client_nojoin:-0}" = 0 ] && [ "${server_nojoin:-0}" = 1 ]
247 then
248 test_pass
249 print_title "Connection info: ${client_addr}:${client_port} -> ${connect_addr}:${app_port}"
250 else
251 test_fail "Expected tokens (c:${client_token} - s:${server_token}), server (c:${client_serverside} - s:${server_serverside}), nojoin (c:${client_nojoin} - s:${server_nojoin})"
252 mptcp_lib_result_print_all_tap
253 exit ${KSFT_FAIL}
254 fi
255
256 if [ "$is_v6" = "v6" ]
257 then
258 client6_token=$client_token
259 server6_token=$server_token
260 client6_port=$client_port
261 client6_pid=$client_pid
262 server6_pid=$server_pid
263 else
264 client4_token=$client_token
265 server4_token=$server_token
266 client4_port=$client_port
267 client4_pid=$client_pid
268 server4_pid=$server_pid
269 fi
270}
271
272# $@: all var names to check
273check_expected()
274{
275 if mptcp_lib_check_expected "${@}"
276 then
277 test_pass
278 return 0
279 fi
280
281 test_fail
282 return 1
283}
284
285verify_announce_event()
286{
287 local evt=$1
288 local e_type=$2
289 local e_token=$3
290 local e_addr=$4
291 local e_id=$5
292 local e_dport=$6
293 local e_af=$7
294 local type
295 local token
296 local addr
297 local dport
298 local id
299
300 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)
301 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)
302 if [ "$e_af" = "v6" ]
303 then
304 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type)
305 else
306 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type)
307 fi
308 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type)
309 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)
310
311 check_expected "type" "token" "addr" "dport" "id"
312}
313
314test_announce()
315{
316 print_title "Announce tests"
317
318 # Capture events on the network namespace running the server
319 :>"$server_evts"
320
321 # ADD_ADDR using an invalid token should result in no action
322 local invalid_token=$(( client4_token - 1))
323 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\
324 $client_addr_id dev ns2eth1 > /dev/null 2>&1
325
326 local type
327 type=$(mptcp_lib_evts_get_info type "$server_evts")
328 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token"
329 if [ "$type" = "" ]
330 then
331 test_pass
332 else
333 test_fail "type defined: ${type}"
334 fi
335
336 # ADD_ADDR from the client to server machine reusing the subflow port
337 :>"$server_evts"
338 ip netns exec "$ns2"\
339 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\
340 ns2eth1
341 print_test "ADD_ADDR id:client 10.0.2.2 (ns2) => ns1, reuse port"
342 sleep 0.5
343 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \
344 "$client4_port"
345
346 # ADD_ADDR6 from the client to server machine reusing the subflow port
347 :>"$server_evts"
348 ip netns exec "$ns2" ./pm_nl_ctl ann\
349 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1
350 print_test "ADD_ADDR6 id:client dead:beef:2::2 (ns2) => ns1, reuse port"
351 sleep 0.5
352 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\
353 "$client_addr_id" "$client6_port" "v6"
354
355 # ADD_ADDR from the client to server machine using a new port
356 :>"$server_evts"
357 client_addr_id=$((client_addr_id+1))
358 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
359 $client_addr_id dev ns2eth1 port $new4_port
360 print_test "ADD_ADDR id:client+1 10.0.2.2 (ns2) => ns1, new port"
361 sleep 0.5
362 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\
363 "$client_addr_id" "$new4_port"
364
365 # Capture events on the network namespace running the client
366 :>"$client_evts"
367
368 # ADD_ADDR from the server to client machine reusing the subflow port
369 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
370 $server_addr_id dev ns1eth2
371 print_test "ADD_ADDR id:server 10.0.2.1 (ns1) => ns2, reuse port"
372 sleep 0.5
373 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
374 "$server_addr_id" "$app4_port"
375
376 # ADD_ADDR6 from the server to client machine reusing the subflow port
377 :>"$client_evts"
378 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
379 $server_addr_id dev ns1eth2
380 print_test "ADD_ADDR6 id:server dead:beef:2::1 (ns1) => ns2, reuse port"
381 sleep 0.5
382 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\
383 "$server_addr_id" "$app6_port" "v6"
384
385 # ADD_ADDR from the server to client machine using a new port
386 :>"$client_evts"
387 server_addr_id=$((server_addr_id+1))
388 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
389 $server_addr_id dev ns1eth2 port $new4_port
390 print_test "ADD_ADDR id:server+1 10.0.2.1 (ns1) => ns2, new port"
391 sleep 0.5
392 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
393 "$server_addr_id" "$new4_port"
394}
395
396verify_remove_event()
397{
398 local evt=$1
399 local e_type=$2
400 local e_token=$3
401 local e_id=$4
402 local type
403 local token
404 local id
405
406 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)
407 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)
408 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)
409
410 check_expected "type" "token" "id"
411}
412
413test_remove()
414{
415 print_title "Remove tests"
416
417 # Capture events on the network namespace running the server
418 :>"$server_evts"
419
420 # RM_ADDR using an invalid token should result in no action
421 local invalid_token=$(( client4_token - 1 ))
422 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\
423 $client_addr_id > /dev/null 2>&1
424 print_test "RM_ADDR id:client ns2 => ns1, invalid token"
425 local type
426 type=$(mptcp_lib_evts_get_info type "$server_evts")
427 if [ "$type" = "" ]
428 then
429 test_pass
430 else
431 test_fail "unexpected type: ${type}"
432 fi
433
434 # RM_ADDR using an invalid addr id should result in no action
435 local invalid_id=$(( client_addr_id + 1 ))
436 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
437 $invalid_id > /dev/null 2>&1
438 print_test "RM_ADDR id:client+1 ns2 => ns1, invalid id"
439 type=$(mptcp_lib_evts_get_info type "$server_evts")
440 if [ "$type" = "" ]
441 then
442 test_pass
443 else
444 test_fail "unexpected type: ${type}"
445 fi
446
447 # RM_ADDR from the client to server machine
448 :>"$server_evts"
449 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
450 $client_addr_id
451 print_test "RM_ADDR id:client ns2 => ns1"
452 sleep 0.5
453 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
454
455 # RM_ADDR from the client to server machine
456 :>"$server_evts"
457 client_addr_id=$(( client_addr_id - 1 ))
458 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
459 $client_addr_id
460 print_test "RM_ADDR id:client-1 ns2 => ns1"
461 sleep 0.5
462 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
463
464 # RM_ADDR6 from the client to server machine
465 :>"$server_evts"
466 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\
467 $client_addr_id
468 print_test "RM_ADDR6 id:client-1 ns2 => ns1"
469 sleep 0.5
470 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id"
471
472 # Capture events on the network namespace running the client
473 :>"$client_evts"
474
475 # RM_ADDR from the server to client machine
476 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\
477 $server_addr_id
478 print_test "RM_ADDR id:server ns1 => ns2"
479 sleep 0.5
480 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
481
482 # RM_ADDR from the server to client machine
483 :>"$client_evts"
484 server_addr_id=$(( server_addr_id - 1 ))
485 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\
486 $server_addr_id
487 print_test "RM_ADDR id:server-1 ns1 => ns2"
488 sleep 0.5
489 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
490
491 # RM_ADDR6 from the server to client machine
492 :>"$client_evts"
493 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\
494 $server_addr_id
495 print_test "RM_ADDR6 id:server-1 ns1 => ns2"
496 sleep 0.5
497 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id"
498}
499
500verify_subflow_events()
501{
502 local evt=$1
503 local e_type=$2
504 local e_token=$3
505 local e_family=$4
506 local e_saddr=$5
507 local e_daddr=$6
508 local e_dport=$7
509 local e_locid=$8
510 local e_remid=$9
511 shift 2
512 local e_from=$8
513 local e_to=$9
514 local type
515 local token
516 local family
517 local saddr
518 local daddr
519 local dport
520 local locid
521 local remid
522 local info
523 local e_dport_txt
524
525 # only display the fixed ports
526 if [ "${e_dport}" -ge "${app4_port}" ] && [ "${e_dport}" -le "${app6_port}" ]; then
527 e_dport_txt=":${e_dport}"
528 fi
529
530 info="${e_saddr} (${e_from}) => ${e_daddr}${e_dport_txt} (${e_to})"
531
532 if [ "$e_type" = "$SUB_ESTABLISHED" ]
533 then
534 if [ "$e_family" = "$AF_INET6" ]
535 then
536 print_test "CREATE_SUBFLOW6 ${info}"
537 else
538 print_test "CREATE_SUBFLOW ${info}"
539 fi
540 else
541 if [ "$e_family" = "$AF_INET6" ]
542 then
543 print_test "DESTROY_SUBFLOW6 ${info}"
544 else
545 print_test "DESTROY_SUBFLOW ${info}"
546 fi
547 fi
548
549 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)
550 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)
551 family=$(mptcp_lib_evts_get_info family "$evt" $e_type)
552 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type)
553 locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type)
554 remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)
555 if [ "$family" = "$AF_INET6" ]
556 then
557 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type)
558 daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type)
559 else
560 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type)
561 daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type)
562 fi
563
564 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid"
565}
566
567test_subflows()
568{
569 print_title "Subflows v4 or v6 only tests"
570
571 # Capture events on the network namespace running the server
572 :>"$server_evts"
573
574 # Attempt to add a listener at 10.0.2.2:<subflow-port>
575 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
576 "$client4_port" &
577 local listener_pid=$!
578
579 # ADD_ADDR from client to server machine reusing the subflow port
580 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
581 $client_addr_id
582 sleep 0.5
583
584 # CREATE_SUBFLOW from server to client machine
585 :>"$server_evts"
586 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\
587 rport "$client4_port" token "$server4_token"
588 sleep 0.5
589 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \
590 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"
591
592 # Delete the listener from the client ns, if one was created
593 mptcp_lib_kill_wait $listener_pid
594
595 local sport
596 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)
597
598 # DESTROY_SUBFLOW from server to client machine
599 :>"$server_evts"
600 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\
601 "$client4_port" token "$server4_token"
602 sleep 0.5
603 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\
604 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"
605
606 # RM_ADDR from client to server machine
607 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
608 "$client4_token"
609 sleep 0.5
610
611 # Attempt to add a listener at dead:beef:2::2:<subflow-port>
612 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\
613 "$client6_port" &
614 listener_pid=$!
615
616 # ADD_ADDR6 from client to server machine reusing the subflow port
617 :>"$server_evts"
618 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\
619 $client_addr_id
620 sleep 0.5
621
622 # CREATE_SUBFLOW6 from server to client machine
623 :>"$server_evts"
624 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\
625 dead:beef:2::2 rport "$client6_port" token "$server6_token"
626 sleep 0.5
627 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\
628 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\
629 "$client_addr_id" "ns1" "ns2"
630
631 # Delete the listener from the client ns, if one was created
632 mptcp_lib_kill_wait $listener_pid
633
634 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)
635
636 # DESTROY_SUBFLOW6 from server to client machine
637 :>"$server_evts"
638 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\
639 dead:beef:2::2 rport "$client6_port" token "$server6_token"
640 sleep 0.5
641 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\
642 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\
643 "$client_addr_id" "ns1" "ns2"
644
645 # RM_ADDR from client to server machine
646 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
647 "$client6_token"
648 sleep 0.5
649
650 # Attempt to add a listener at 10.0.2.2:<new-port>
651 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
652 $new4_port &
653 listener_pid=$!
654
655 # ADD_ADDR from client to server machine using a new port
656 :>"$server_evts"
657 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
658 $client_addr_id port $new4_port
659 sleep 0.5
660
661 # CREATE_SUBFLOW from server to client machine
662 :>"$server_evts"
663 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\
664 $new4_port token "$server4_token"
665 sleep 0.5
666 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\
667 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\
668 "$client_addr_id" "ns1" "ns2"
669
670 # Delete the listener from the client ns, if one was created
671 mptcp_lib_kill_wait $listener_pid
672
673 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)
674
675 # DESTROY_SUBFLOW from server to client machine
676 :>"$server_evts"
677 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\
678 $new4_port token "$server4_token"
679 sleep 0.5
680 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\
681 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2"
682
683 # RM_ADDR from client to server machine
684 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
685 "$client4_token"
686
687 # Capture events on the network namespace running the client
688 :>"$client_evts"
689
690 # Attempt to add a listener at 10.0.2.1:<subflow-port>
691 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
692 $app4_port &
693 listener_pid=$!
694
695 # ADD_ADDR from server to client machine reusing the subflow port
696 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
697 $server_addr_id
698 sleep 0.5
699
700 # CREATE_SUBFLOW from client to server machine
701 :>"$client_evts"
702 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
703 $app4_port token "$client4_token"
704 sleep 0.5
705 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\
706 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"
707
708 # Delete the listener from the server ns, if one was created
709 mptcp_lib_kill_wait $listener_pid
710
711 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)
712
713 # DESTROY_SUBFLOW from client to server machine
714 :>"$client_evts"
715 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
716 $app4_port token "$client4_token"
717 sleep 0.5
718 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\
719 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"
720
721 # RM_ADDR from server to client machine
722 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
723 "$server4_token"
724 sleep 0.5
725
726 # Attempt to add a listener at dead:beef:2::1:<subflow-port>
727 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\
728 $app6_port &
729 listener_pid=$!
730
731 # ADD_ADDR6 from server to client machine reusing the subflow port
732 :>"$client_evts"
733 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
734 $server_addr_id
735 sleep 0.5
736
737 # CREATE_SUBFLOW6 from client to server machine
738 :>"$client_evts"
739 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\
740 dead:beef:2::1 rport $app6_port token "$client6_token"
741 sleep 0.5
742 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
743 "$AF_INET6" "dead:beef:2::2"\
744 "dead:beef:2::1" "$app6_port" "23"\
745 "$server_addr_id" "ns2" "ns1"
746
747 # Delete the listener from the server ns, if one was created
748 mptcp_lib_kill_wait $listener_pid
749
750 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)
751
752 # DESTROY_SUBFLOW6 from client to server machine
753 :>"$client_evts"
754 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\
755 dead:beef:2::1 rport $app6_port token "$client6_token"
756 sleep 0.5
757 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\
758 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1"
759
760 # RM_ADDR6 from server to client machine
761 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
762 "$server6_token"
763 sleep 0.5
764
765 # Attempt to add a listener at 10.0.2.1:<new-port>
766 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
767 $new4_port &
768 listener_pid=$!
769
770 # ADD_ADDR from server to client machine using a new port
771 :>"$client_evts"
772 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
773 $server_addr_id port $new4_port
774 sleep 0.5
775
776 # CREATE_SUBFLOW from client to server machine
777 :>"$client_evts"
778 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
779 $new4_port token "$client4_token"
780 sleep 0.5
781 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\
782 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"
783
784 # Delete the listener from the server ns, if one was created
785 mptcp_lib_kill_wait $listener_pid
786
787 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)
788
789 # DESTROY_SUBFLOW from client to server machine
790 :>"$client_evts"
791 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
792 $new4_port token "$client4_token"
793 sleep 0.5
794 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\
795 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"
796
797 # RM_ADDR from server to client machine
798 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
799 "$server4_token"
800}
801
802test_subflows_v4_v6_mix()
803{
804 print_title "Subflows v4 and v6 mix tests"
805
806 # Attempt to add a listener at 10.0.2.1:<subflow-port>
807 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
808 $app6_port &
809 local listener_pid=$!
810
811 # ADD_ADDR4 from server to client machine reusing the subflow port on
812 # the established v6 connection
813 :>"$client_evts"
814 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\
815 $server_addr_id dev ns1eth2
816 print_test "ADD_ADDR4 id:server 10.0.2.1 (ns1) => ns2, reuse port"
817 sleep 0.5
818 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\
819 "$server_addr_id" "$app6_port"
820
821 # CREATE_SUBFLOW from client to server machine
822 :>"$client_evts"
823 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
824 $app6_port token "$client6_token"
825 sleep 0.5
826 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
827 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
828 "$server_addr_id" "ns2" "ns1"
829
830 # Delete the listener from the server ns, if one was created
831 mptcp_lib_kill_wait $listener_pid
832
833 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)
834
835 # DESTROY_SUBFLOW from client to server machine
836 :>"$client_evts"
837 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
838 $app6_port token "$client6_token"
839 sleep 0.5
840 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \
841 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
842 "$server_addr_id" "ns2" "ns1"
843
844 # RM_ADDR from server to client machine
845 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
846 "$server6_token"
847 sleep 0.5
848}
849
850test_prio()
851{
852 print_title "Prio tests"
853
854 local count
855
856 # Send MP_PRIO signal from client to server machine
857 ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$app4_port"
858 sleep 0.5
859
860 # Check TX
861 print_test "MP_PRIO TX"
862 count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx")
863 if [ -z "$count" ]; then
864 test_skip
865 elif [ $count != 1 ]; then
866 test_fail "Count != 1: ${count}"
867 else
868 test_pass
869 fi
870
871 # Check RX
872 print_test "MP_PRIO RX"
873 count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx")
874 if [ -z "$count" ]; then
875 test_skip
876 elif [ $count != 1 ]; then
877 test_fail "Count != 1: ${count}"
878 else
879 test_pass
880 fi
881}
882
883verify_listener_events()
884{
885 if mptcp_lib_verify_listener_events "${@}"; then
886 test_pass
887 else
888 test_fail
889 fi
890}
891
892test_listener()
893{
894 print_title "Listener tests"
895
896 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
897 print_test "LISTENER events"
898 test_skip
899 return
900 fi
901
902 # Capture events on the network namespace running the client
903 :>$client_evts
904
905 # Attempt to add a listener at 10.0.2.2:<subflow-port>
906 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\
907 $client4_port &
908 local listener_pid=$!
909
910 sleep 0.5
911 print_test "CREATE_LISTENER 10.0.2.2 (client port)"
912 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port
913
914 # ADD_ADDR from client to server machine reusing the subflow port
915 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\
916 $client_addr_id
917 sleep 0.5
918
919 # CREATE_SUBFLOW from server to client machine
920 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\
921 rport $client4_port token $server4_token
922 sleep 0.5
923
924 # Delete the listener from the client ns, if one was created
925 mptcp_lib_kill_wait $listener_pid
926
927 sleep 0.5
928 print_test "CLOSE_LISTENER 10.0.2.2 (client port)"
929 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port
930}
931
932print_title "Make connections"
933make_connection
934make_connection "v6"
935print_title "Will be using address IDs ${client_addr_id} (client) and ${server_addr_id} (server)"
936
937test_announce
938test_remove
939test_subflows
940test_subflows_v4_v6_mix
941test_prio
942test_listener
943
944mptcp_lib_result_print_all_tap
945exit ${ret}