909 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4# Double quotes to prevent globbing and word splitting is recommended in new5# code but we accept it.6#shellcheck disable=SC20867 8# Some variables are used below but indirectly, see verify_*_event()9#shellcheck disable=SC203410 11. "$(dirname "${0}")/mptcp_lib.sh"12 13mptcp_lib_check_mptcp14mptcp_lib_check_kallsyms15 16if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then17 echo "userspace pm tests are not supported by the kernel: SKIP"18 exit ${KSFT_SKIP}19fi20mptcp_lib_check_tools ip21 22ANNOUNCED=${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=${MPTCP_LIB_AF_INET6}31 32file=""33server_evts=""34client_evts=""35server_evts_pid=036client_evts_pid=037client4_pid=038server4_pid=039client6_pid=040server6_pid=041client4_token=""42server4_token=""43client6_token=""44server6_token=""45client4_port=0;46client6_port=0;47app4_port=5000248new4_port=5000349app6_port=5000450client_addr_id=${RANDOM:0:2}51server_addr_id=${RANDOM:0:2}52 53ns1=""54ns2=""55ret=056test_name=""57# a bit more space: because we have more to display58MPTCP_LIB_TEST_FORMAT="%02u %-68s"59 60print_title()61{62 mptcp_lib_pr_info "${1}"63}64 65# $1: test name66print_test()67{68 test_name="${1}"69 70 mptcp_lib_print_title "${test_name}"71}72 73test_pass()74{75 mptcp_lib_pr_ok76 mptcp_lib_result_pass "${test_name}"77}78 79test_skip()80{81 mptcp_lib_pr_skip82 mptcp_lib_result_skip "${test_name}"83}84 85# $1: msg86test_fail()87{88 if [ ${#} -gt 0 ]89 then90 mptcp_lib_pr_fail "${@}"91 fi92 ret=${KSFT_FAIL}93 mptcp_lib_result_fail "${test_name}"94}95 96# This function is used in the cleanup trap97#shellcheck disable=SC231798cleanup()99{100 print_title "Cleanup"101 102 # Terminate the MPTCP connection and related processes103 local pid104 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\105 $server_evts_pid $client_evts_pid106 do107 mptcp_lib_kill_wait $pid108 done109 110 mptcp_lib_ns_exit "${ns1}" "${ns2}"111 112 rm -rf $file $client_evts $server_evts113 114 mptcp_lib_pr_info "Done"115}116 117trap cleanup EXIT118 119# Create and configure network namespaces for testing120mptcp_lib_ns_init ns1 ns2121for i in "$ns1" "$ns2" ;do122 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1123done124 125# "$ns1" ns2126# ns1eth2 ns2eth1127 128ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"129 130# Add IPv4/v6 addresses to the namespaces131ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2132ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2133ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad134ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad135ip -net "$ns1" link set ns1eth2 up136 137ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1138ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1139ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad140ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad141ip -net "$ns2" link set ns2eth1 up142 143file=$(mktemp)144mptcp_lib_make_file "$file" 2 1145 146# Capture netlink events over the two network namespaces running147# the MPTCP client and server148client_evts=$(mktemp)149mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid150server_evts=$(mktemp)151mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid152sleep 0.5153mptcp_lib_subtests_last_ts_reset154 155print_title "Init"156print_test "Created network namespaces ns1, ns2"157test_pass158 159make_connection()160{161 local is_v6=$1162 local app_port=$app4_port163 local connect_addr="10.0.1.1"164 local client_addr="10.0.1.2"165 local listen_addr="0.0.0.0"166 if [ "$is_v6" = "v6" ]167 then168 connect_addr="dead:beef:1::1"169 client_addr="dead:beef:1::2"170 listen_addr="::"171 app_port=$app6_port172 else173 is_v6="v4"174 fi175 176 :>"$client_evts"177 :>"$server_evts"178 179 # Run the server180 ip netns exec "$ns1" \181 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 &182 local server_pid=$!183 sleep 0.5184 185 # Run the client, transfer $file and stay connected to the server186 # to conduct tests187 ip netns exec "$ns2" \188 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\189 2>&1 > /dev/null < "$file" &190 local client_pid=$!191 sleep 1192 193 # Capture client/server attributes from MPTCP connection netlink events194 195 local client_token196 local client_port197 local client_serverside198 local server_token199 local server_serverside200 201 client_token=$(mptcp_lib_evts_get_info token "$client_evts")202 client_port=$(mptcp_lib_evts_get_info sport "$client_evts")203 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts")204 server_token=$(mptcp_lib_evts_get_info token "$server_evts")205 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts")206 207 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1"208 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] &&209 [ "$server_serverside" = 1 ]210 then211 test_pass212 print_title "Connection info: ${client_addr}:${client_port} -> ${connect_addr}:${app_port}"213 else214 test_fail "Expected tokens (c:${client_token} - s:${server_token}) and server (c:${client_serverside} - s:${server_serverside})"215 mptcp_lib_result_print_all_tap216 exit ${KSFT_FAIL}217 fi218 219 if [ "$is_v6" = "v6" ]220 then221 client6_token=$client_token222 server6_token=$server_token223 client6_port=$client_port224 client6_pid=$client_pid225 server6_pid=$server_pid226 else227 client4_token=$client_token228 server4_token=$server_token229 client4_port=$client_port230 client4_pid=$client_pid231 server4_pid=$server_pid232 fi233}234 235# $@: all var names to check236check_expected()237{238 if mptcp_lib_check_expected "${@}"239 then240 test_pass241 return 0242 fi243 244 test_fail245 return 1246}247 248verify_announce_event()249{250 local evt=$1251 local e_type=$2252 local e_token=$3253 local e_addr=$4254 local e_id=$5255 local e_dport=$6256 local e_af=$7257 local type258 local token259 local addr260 local dport261 local id262 263 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)264 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)265 if [ "$e_af" = "v6" ]266 then267 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type)268 else269 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type)270 fi271 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type)272 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)273 274 check_expected "type" "token" "addr" "dport" "id"275}276 277test_announce()278{279 print_title "Announce tests"280 281 # Capture events on the network namespace running the server282 :>"$server_evts"283 284 # ADD_ADDR using an invalid token should result in no action285 local invalid_token=$(( client4_token - 1))286 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\287 $client_addr_id dev ns2eth1 > /dev/null 2>&1288 289 local type290 type=$(mptcp_lib_evts_get_info type "$server_evts")291 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token"292 if [ "$type" = "" ]293 then294 test_pass295 else296 test_fail "type defined: ${type}"297 fi298 299 # ADD_ADDR from the client to server machine reusing the subflow port300 :>"$server_evts"301 ip netns exec "$ns2"\302 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\303 ns2eth1304 print_test "ADD_ADDR id:client 10.0.2.2 (ns2) => ns1, reuse port"305 sleep 0.5306 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \307 "$client4_port"308 309 # ADD_ADDR6 from the client to server machine reusing the subflow port310 :>"$server_evts"311 ip netns exec "$ns2" ./pm_nl_ctl ann\312 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1313 print_test "ADD_ADDR6 id:client dead:beef:2::2 (ns2) => ns1, reuse port"314 sleep 0.5315 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\316 "$client_addr_id" "$client6_port" "v6"317 318 # ADD_ADDR from the client to server machine using a new port319 :>"$server_evts"320 client_addr_id=$((client_addr_id+1))321 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\322 $client_addr_id dev ns2eth1 port $new4_port323 print_test "ADD_ADDR id:client+1 10.0.2.2 (ns2) => ns1, new port"324 sleep 0.5325 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\326 "$client_addr_id" "$new4_port"327 328 # Capture events on the network namespace running the client329 :>"$client_evts"330 331 # ADD_ADDR from the server to client machine reusing the subflow port332 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\333 $server_addr_id dev ns1eth2334 print_test "ADD_ADDR id:server 10.0.2.1 (ns1) => ns2, reuse port"335 sleep 0.5336 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\337 "$server_addr_id" "$app4_port"338 339 # ADD_ADDR6 from the server to client machine reusing the subflow port340 :>"$client_evts"341 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\342 $server_addr_id dev ns1eth2343 print_test "ADD_ADDR6 id:server dead:beef:2::1 (ns1) => ns2, reuse port"344 sleep 0.5345 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\346 "$server_addr_id" "$app6_port" "v6"347 348 # ADD_ADDR from the server to client machine using a new port349 :>"$client_evts"350 server_addr_id=$((server_addr_id+1))351 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\352 $server_addr_id dev ns1eth2 port $new4_port353 print_test "ADD_ADDR id:server+1 10.0.2.1 (ns1) => ns2, new port"354 sleep 0.5355 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\356 "$server_addr_id" "$new4_port"357}358 359verify_remove_event()360{361 local evt=$1362 local e_type=$2363 local e_token=$3364 local e_id=$4365 local type366 local token367 local id368 369 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)370 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)371 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)372 373 check_expected "type" "token" "id"374}375 376test_remove()377{378 print_title "Remove tests"379 380 # Capture events on the network namespace running the server381 :>"$server_evts"382 383 # RM_ADDR using an invalid token should result in no action384 local invalid_token=$(( client4_token - 1 ))385 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\386 $client_addr_id > /dev/null 2>&1387 print_test "RM_ADDR id:client ns2 => ns1, invalid token"388 local type389 type=$(mptcp_lib_evts_get_info type "$server_evts")390 if [ "$type" = "" ]391 then392 test_pass393 else394 test_fail "unexpected type: ${type}"395 fi396 397 # RM_ADDR using an invalid addr id should result in no action398 local invalid_id=$(( client_addr_id + 1 ))399 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\400 $invalid_id > /dev/null 2>&1401 print_test "RM_ADDR id:client+1 ns2 => ns1, invalid id"402 type=$(mptcp_lib_evts_get_info type "$server_evts")403 if [ "$type" = "" ]404 then405 test_pass406 else407 test_fail "unexpected type: ${type}"408 fi409 410 # RM_ADDR from the client to server machine411 :>"$server_evts"412 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\413 $client_addr_id414 print_test "RM_ADDR id:client ns2 => ns1"415 sleep 0.5416 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"417 418 # RM_ADDR from the client to server machine419 :>"$server_evts"420 client_addr_id=$(( client_addr_id - 1 ))421 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\422 $client_addr_id423 print_test "RM_ADDR id:client-1 ns2 => ns1"424 sleep 0.5425 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"426 427 # RM_ADDR6 from the client to server machine428 :>"$server_evts"429 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\430 $client_addr_id431 print_test "RM_ADDR6 id:client-1 ns2 => ns1"432 sleep 0.5433 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id"434 435 # Capture events on the network namespace running the client436 :>"$client_evts"437 438 # RM_ADDR from the server to client machine439 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\440 $server_addr_id441 print_test "RM_ADDR id:server ns1 => ns2"442 sleep 0.5443 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"444 445 # RM_ADDR from the server to client machine446 :>"$client_evts"447 server_addr_id=$(( server_addr_id - 1 ))448 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\449 $server_addr_id450 print_test "RM_ADDR id:server-1 ns1 => ns2"451 sleep 0.5452 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"453 454 # RM_ADDR6 from the server to client machine455 :>"$client_evts"456 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\457 $server_addr_id458 print_test "RM_ADDR6 id:server-1 ns1 => ns2"459 sleep 0.5460 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id"461}462 463verify_subflow_events()464{465 local evt=$1466 local e_type=$2467 local e_token=$3468 local e_family=$4469 local e_saddr=$5470 local e_daddr=$6471 local e_dport=$7472 local e_locid=$8473 local e_remid=$9474 shift 2475 local e_from=$8476 local e_to=$9477 local type478 local token479 local family480 local saddr481 local daddr482 local dport483 local locid484 local remid485 local info486 local e_dport_txt487 488 # only display the fixed ports489 if [ "${e_dport}" -ge "${app4_port}" ] && [ "${e_dport}" -le "${app6_port}" ]; then490 e_dport_txt=":${e_dport}"491 fi492 493 info="${e_saddr} (${e_from}) => ${e_daddr}${e_dport_txt} (${e_to})"494 495 if [ "$e_type" = "$SUB_ESTABLISHED" ]496 then497 if [ "$e_family" = "$AF_INET6" ]498 then499 print_test "CREATE_SUBFLOW6 ${info}"500 else501 print_test "CREATE_SUBFLOW ${info}"502 fi503 else504 if [ "$e_family" = "$AF_INET6" ]505 then506 print_test "DESTROY_SUBFLOW6 ${info}"507 else508 print_test "DESTROY_SUBFLOW ${info}"509 fi510 fi511 512 type=$(mptcp_lib_evts_get_info type "$evt" $e_type)513 token=$(mptcp_lib_evts_get_info token "$evt" $e_type)514 family=$(mptcp_lib_evts_get_info family "$evt" $e_type)515 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type)516 locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type)517 remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type)518 if [ "$family" = "$AF_INET6" ]519 then520 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type)521 daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type)522 else523 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type)524 daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type)525 fi526 527 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid"528}529 530test_subflows()531{532 print_title "Subflows v4 or v6 only tests"533 534 # Capture events on the network namespace running the server535 :>"$server_evts"536 537 # Attempt to add a listener at 10.0.2.2:<subflow-port>538 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\539 "$client4_port" &540 local listener_pid=$!541 542 # ADD_ADDR from client to server machine reusing the subflow port543 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\544 $client_addr_id545 sleep 0.5546 547 # CREATE_SUBFLOW from server to client machine548 :>"$server_evts"549 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\550 rport "$client4_port" token "$server4_token"551 sleep 0.5552 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \553 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"554 555 # Delete the listener from the client ns, if one was created556 mptcp_lib_kill_wait $listener_pid557 558 local sport559 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)560 561 # DESTROY_SUBFLOW from server to client machine562 :>"$server_evts"563 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\564 "$client4_port" token "$server4_token"565 sleep 0.5566 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\567 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"568 569 # RM_ADDR from client to server machine570 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\571 "$client4_token"572 sleep 0.5573 574 # Attempt to add a listener at dead:beef:2::2:<subflow-port>575 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\576 "$client6_port" &577 listener_pid=$!578 579 # ADD_ADDR6 from client to server machine reusing the subflow port580 :>"$server_evts"581 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\582 $client_addr_id583 sleep 0.5584 585 # CREATE_SUBFLOW6 from server to client machine586 :>"$server_evts"587 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\588 dead:beef:2::2 rport "$client6_port" token "$server6_token"589 sleep 0.5590 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\591 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\592 "$client_addr_id" "ns1" "ns2"593 594 # Delete the listener from the client ns, if one was created595 mptcp_lib_kill_wait $listener_pid596 597 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)598 599 # DESTROY_SUBFLOW6 from server to client machine600 :>"$server_evts"601 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\602 dead:beef:2::2 rport "$client6_port" token "$server6_token"603 sleep 0.5604 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\605 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\606 "$client_addr_id" "ns1" "ns2"607 608 # RM_ADDR from client to server machine609 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\610 "$client6_token"611 sleep 0.5612 613 # Attempt to add a listener at 10.0.2.2:<new-port>614 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\615 $new4_port &616 listener_pid=$!617 618 # ADD_ADDR from client to server machine using a new port619 :>"$server_evts"620 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\621 $client_addr_id port $new4_port622 sleep 0.5623 624 # CREATE_SUBFLOW from server to client machine625 :>"$server_evts"626 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\627 $new4_port token "$server4_token"628 sleep 0.5629 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\630 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\631 "$client_addr_id" "ns1" "ns2"632 633 # Delete the listener from the client ns, if one was created634 mptcp_lib_kill_wait $listener_pid635 636 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED)637 638 # DESTROY_SUBFLOW from server to client machine639 :>"$server_evts"640 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\641 $new4_port token "$server4_token"642 sleep 0.5643 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\644 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2"645 646 # RM_ADDR from client to server machine647 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\648 "$client4_token"649 650 # Capture events on the network namespace running the client651 :>"$client_evts"652 653 # Attempt to add a listener at 10.0.2.1:<subflow-port>654 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\655 $app4_port &656 listener_pid=$!657 658 # ADD_ADDR from server to client machine reusing the subflow port659 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\660 $server_addr_id661 sleep 0.5662 663 # CREATE_SUBFLOW from client to server machine664 :>"$client_evts"665 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\666 $app4_port token "$client4_token"667 sleep 0.5668 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\669 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"670 671 # Delete the listener from the server ns, if one was created672 mptcp_lib_kill_wait $listener_pid673 674 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)675 676 # DESTROY_SUBFLOW from client to server machine677 :>"$client_evts"678 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\679 $app4_port token "$client4_token"680 sleep 0.5681 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\682 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1"683 684 # RM_ADDR from server to client machine685 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\686 "$server4_token"687 sleep 0.5688 689 # Attempt to add a listener at dead:beef:2::1:<subflow-port>690 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\691 $app6_port &692 listener_pid=$!693 694 # ADD_ADDR6 from server to client machine reusing the subflow port695 :>"$client_evts"696 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\697 $server_addr_id698 sleep 0.5699 700 # CREATE_SUBFLOW6 from client to server machine701 :>"$client_evts"702 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\703 dead:beef:2::1 rport $app6_port token "$client6_token"704 sleep 0.5705 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\706 "$AF_INET6" "dead:beef:2::2"\707 "dead:beef:2::1" "$app6_port" "23"\708 "$server_addr_id" "ns2" "ns1"709 710 # Delete the listener from the server ns, if one was created711 mptcp_lib_kill_wait $listener_pid712 713 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)714 715 # DESTROY_SUBFLOW6 from client to server machine716 :>"$client_evts"717 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\718 dead:beef:2::1 rport $app6_port token "$client6_token"719 sleep 0.5720 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\721 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1"722 723 # RM_ADDR6 from server to client machine724 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\725 "$server6_token"726 sleep 0.5727 728 # Attempt to add a listener at 10.0.2.1:<new-port>729 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\730 $new4_port &731 listener_pid=$!732 733 # ADD_ADDR from server to client machine using a new port734 :>"$client_evts"735 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\736 $server_addr_id port $new4_port737 sleep 0.5738 739 # CREATE_SUBFLOW from client to server machine740 :>"$client_evts"741 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\742 $new4_port token "$client4_token"743 sleep 0.5744 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\745 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"746 747 # Delete the listener from the server ns, if one was created748 mptcp_lib_kill_wait $listener_pid749 750 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)751 752 # DESTROY_SUBFLOW from client to server machine753 :>"$client_evts"754 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\755 $new4_port token "$client4_token"756 sleep 0.5757 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\758 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1"759 760 # RM_ADDR from server to client machine761 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\762 "$server4_token"763}764 765test_subflows_v4_v6_mix()766{767 print_title "Subflows v4 and v6 mix tests"768 769 # Attempt to add a listener at 10.0.2.1:<subflow-port>770 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\771 $app6_port &772 local listener_pid=$!773 774 # ADD_ADDR4 from server to client machine reusing the subflow port on775 # the established v6 connection776 :>"$client_evts"777 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\778 $server_addr_id dev ns1eth2779 print_test "ADD_ADDR4 id:server 10.0.2.1 (ns1) => ns2, reuse port"780 sleep 0.5781 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\782 "$server_addr_id" "$app6_port"783 784 # CREATE_SUBFLOW from client to server machine785 :>"$client_evts"786 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\787 $app6_port token "$client6_token"788 sleep 0.5789 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\790 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\791 "$server_addr_id" "ns2" "ns1"792 793 # Delete the listener from the server ns, if one was created794 mptcp_lib_kill_wait $listener_pid795 796 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED)797 798 # DESTROY_SUBFLOW from client to server machine799 :>"$client_evts"800 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\801 $app6_port token "$client6_token"802 sleep 0.5803 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \804 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\805 "$server_addr_id" "ns2" "ns1"806 807 # RM_ADDR from server to client machine808 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\809 "$server6_token"810 sleep 0.5811}812 813test_prio()814{815 print_title "Prio tests"816 817 local count818 819 # Send MP_PRIO signal from client to server machine820 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"821 sleep 0.5822 823 # Check TX824 print_test "MP_PRIO TX"825 count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx")826 if [ -z "$count" ]; then827 test_skip828 elif [ $count != 1 ]; then829 test_fail "Count != 1: ${count}"830 else831 test_pass832 fi833 834 # Check RX835 print_test "MP_PRIO RX"836 count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx")837 if [ -z "$count" ]; then838 test_skip839 elif [ $count != 1 ]; then840 test_fail "Count != 1: ${count}"841 else842 test_pass843 fi844}845 846verify_listener_events()847{848 if mptcp_lib_verify_listener_events "${@}"; then849 test_pass850 else851 test_fail852 fi853}854 855test_listener()856{857 print_title "Listener tests"858 859 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then860 print_test "LISTENER events"861 test_skip862 return863 fi864 865 # Capture events on the network namespace running the client866 :>$client_evts867 868 # Attempt to add a listener at 10.0.2.2:<subflow-port>869 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\870 $client4_port &871 local listener_pid=$!872 873 sleep 0.5874 print_test "CREATE_LISTENER 10.0.2.2 (client port)"875 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port876 877 # ADD_ADDR from client to server machine reusing the subflow port878 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\879 $client_addr_id880 sleep 0.5881 882 # CREATE_SUBFLOW from server to client machine883 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\884 rport $client4_port token $server4_token885 sleep 0.5886 887 # Delete the listener from the client ns, if one was created888 mptcp_lib_kill_wait $listener_pid889 890 sleep 0.5891 print_test "CLOSE_LISTENER 10.0.2.2 (client port)"892 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port893}894 895print_title "Make connections"896make_connection897make_connection "v6"898print_title "Will be using address IDs ${client_addr_id} (client) and ${server_addr_id} (server)"899 900test_announce901test_remove902test_subflows903test_subflows_v4_v6_mix904test_prio905test_listener906 907mptcp_lib_result_print_all_tap908exit ${ret}909