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 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 :>"$client_evts" 205 :>"$server_evts" 206 207 # Run the server 208 ip netns exec "$ns1" \ 209 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 210 local server_pid=$! 211 sleep 0.5 212 213 # Run the client, transfer $file and stay connected to the server 214 # to conduct tests 215 ip netns exec "$ns2" \ 216 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 217 2>&1 > /dev/null < "$file" & 218 local client_pid=$! 219 sleep 1 220 221 # Capture client/server attributes from MPTCP connection netlink events 222 223 local client_token 224 local client_port 225 local client_serverside 226 local server_token 227 local server_serverside 228 229 client_token=$(mptcp_lib_evts_get_info token "$client_evts") 230 client_port=$(mptcp_lib_evts_get_info sport "$client_evts") 231 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts") 232 server_token=$(mptcp_lib_evts_get_info token "$server_evts") 233 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts") 234 235 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1" 236 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && 237 [ "$server_serverside" = 1 ] 238 then 239 test_pass 240 print_title "Connection info: ${client_addr}:${client_port} -> ${connect_addr}:${app_port}" 241 else 242 test_fail "Expected tokens (c:${client_token} - s:${server_token}) and server (c:${client_serverside} - s:${server_serverside})" 243 mptcp_lib_result_print_all_tap 244 exit ${KSFT_FAIL} 245 fi 246 247 if [ "$is_v6" = "v6" ] 248 then 249 client6_token=$client_token 250 server6_token=$server_token 251 client6_port=$client_port 252 client6_pid=$client_pid 253 server6_pid=$server_pid 254 else 255 client4_token=$client_token 256 server4_token=$server_token 257 client4_port=$client_port 258 client4_pid=$client_pid 259 server4_pid=$server_pid 260 fi 261} 262 263# $@: all var names to check 264check_expected() 265{ 266 if mptcp_lib_check_expected "${@}" 267 then 268 test_pass 269 return 0 270 fi 271 272 test_fail 273 return 1 274} 275 276verify_announce_event() 277{ 278 local evt=$1 279 local e_type=$2 280 local e_token=$3 281 local e_addr=$4 282 local e_id=$5 283 local e_dport=$6 284 local e_af=$7 285 local type 286 local token 287 local addr 288 local dport 289 local id 290 291 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 292 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 293 if [ "$e_af" = "v6" ] 294 then 295 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 296 else 297 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 298 fi 299 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 300 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 301 302 check_expected "type" "token" "addr" "dport" "id" 303} 304 305test_announce() 306{ 307 print_title "Announce tests" 308 309 # Capture events on the network namespace running the server 310 :>"$server_evts" 311 312 # ADD_ADDR using an invalid token should result in no action 313 local invalid_token=$(( client4_token - 1)) 314 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 315 $client_addr_id dev ns2eth1 > /dev/null 2>&1 316 317 local type 318 type=$(mptcp_lib_evts_get_info type "$server_evts") 319 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token" 320 if [ "$type" = "" ] 321 then 322 test_pass 323 else 324 test_fail "type defined: ${type}" 325 fi 326 327 # ADD_ADDR from the client to server machine reusing the subflow port 328 :>"$server_evts" 329 ip netns exec "$ns2"\ 330 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 331 ns2eth1 332 print_test "ADD_ADDR id:client 10.0.2.2 (ns2) => ns1, reuse port" 333 sleep 0.5 334 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ 335 "$client4_port" 336 337 # ADD_ADDR6 from the client to server machine reusing the subflow port 338 :>"$server_evts" 339 ip netns exec "$ns2" ./pm_nl_ctl ann\ 340 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 341 print_test "ADD_ADDR6 id:client dead:beef:2::2 (ns2) => ns1, reuse port" 342 sleep 0.5 343 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 344 "$client_addr_id" "$client6_port" "v6" 345 346 # ADD_ADDR from the client to server machine using a new port 347 :>"$server_evts" 348 client_addr_id=$((client_addr_id+1)) 349 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 350 $client_addr_id dev ns2eth1 port $new4_port 351 print_test "ADD_ADDR id:client+1 10.0.2.2 (ns2) => ns1, new port" 352 sleep 0.5 353 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 354 "$client_addr_id" "$new4_port" 355 356 # Capture events on the network namespace running the client 357 :>"$client_evts" 358 359 # ADD_ADDR from the server to client machine reusing the subflow port 360 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 361 $server_addr_id dev ns1eth2 362 print_test "ADD_ADDR id:server 10.0.2.1 (ns1) => ns2, reuse port" 363 sleep 0.5 364 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 365 "$server_addr_id" "$app4_port" 366 367 # ADD_ADDR6 from the server to client machine reusing the subflow port 368 :>"$client_evts" 369 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 370 $server_addr_id dev ns1eth2 371 print_test "ADD_ADDR6 id:server dead:beef:2::1 (ns1) => ns2, reuse port" 372 sleep 0.5 373 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 374 "$server_addr_id" "$app6_port" "v6" 375 376 # ADD_ADDR from the server to client machine using a new port 377 :>"$client_evts" 378 server_addr_id=$((server_addr_id+1)) 379 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 380 $server_addr_id dev ns1eth2 port $new4_port 381 print_test "ADD_ADDR id:server+1 10.0.2.1 (ns1) => ns2, new port" 382 sleep 0.5 383 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 384 "$server_addr_id" "$new4_port" 385} 386 387verify_remove_event() 388{ 389 local evt=$1 390 local e_type=$2 391 local e_token=$3 392 local e_id=$4 393 local type 394 local token 395 local id 396 397 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 398 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 399 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 400 401 check_expected "type" "token" "id" 402} 403 404test_remove() 405{ 406 print_title "Remove tests" 407 408 # Capture events on the network namespace running the server 409 :>"$server_evts" 410 411 # RM_ADDR using an invalid token should result in no action 412 local invalid_token=$(( client4_token - 1 )) 413 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 414 $client_addr_id > /dev/null 2>&1 415 print_test "RM_ADDR id:client ns2 => ns1, invalid token" 416 local type 417 type=$(mptcp_lib_evts_get_info type "$server_evts") 418 if [ "$type" = "" ] 419 then 420 test_pass 421 else 422 test_fail "unexpected type: ${type}" 423 fi 424 425 # RM_ADDR using an invalid addr id should result in no action 426 local invalid_id=$(( client_addr_id + 1 )) 427 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 428 $invalid_id > /dev/null 2>&1 429 print_test "RM_ADDR id:client+1 ns2 => ns1, invalid id" 430 type=$(mptcp_lib_evts_get_info type "$server_evts") 431 if [ "$type" = "" ] 432 then 433 test_pass 434 else 435 test_fail "unexpected type: ${type}" 436 fi 437 438 # RM_ADDR from the client to server machine 439 :>"$server_evts" 440 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 441 $client_addr_id 442 print_test "RM_ADDR id:client ns2 => ns1" 443 sleep 0.5 444 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 445 446 # RM_ADDR from the client to server machine 447 :>"$server_evts" 448 client_addr_id=$(( client_addr_id - 1 )) 449 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 450 $client_addr_id 451 print_test "RM_ADDR id:client-1 ns2 => ns1" 452 sleep 0.5 453 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 454 455 # RM_ADDR6 from the client to server machine 456 :>"$server_evts" 457 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 458 $client_addr_id 459 print_test "RM_ADDR6 id:client-1 ns2 => ns1" 460 sleep 0.5 461 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" 462 463 # Capture events on the network namespace running the client 464 :>"$client_evts" 465 466 # RM_ADDR from the server to client machine 467 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 468 $server_addr_id 469 print_test "RM_ADDR id:server ns1 => ns2" 470 sleep 0.5 471 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 472 473 # RM_ADDR from the server to client machine 474 :>"$client_evts" 475 server_addr_id=$(( server_addr_id - 1 )) 476 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 477 $server_addr_id 478 print_test "RM_ADDR id:server-1 ns1 => ns2" 479 sleep 0.5 480 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 481 482 # RM_ADDR6 from the server to client machine 483 :>"$client_evts" 484 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 485 $server_addr_id 486 print_test "RM_ADDR6 id:server-1 ns1 => ns2" 487 sleep 0.5 488 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" 489} 490 491verify_subflow_events() 492{ 493 local evt=$1 494 local e_type=$2 495 local e_token=$3 496 local e_family=$4 497 local e_saddr=$5 498 local e_daddr=$6 499 local e_dport=$7 500 local e_locid=$8 501 local e_remid=$9 502 shift 2 503 local e_from=$8 504 local e_to=$9 505 local type 506 local token 507 local family 508 local saddr 509 local daddr 510 local dport 511 local locid 512 local remid 513 local info 514 local e_dport_txt 515 516 # only display the fixed ports 517 if [ "${e_dport}" -ge "${app4_port}" ] && [ "${e_dport}" -le "${app6_port}" ]; then 518 e_dport_txt=":${e_dport}" 519 fi 520 521 info="${e_saddr} (${e_from}) => ${e_daddr}${e_dport_txt} (${e_to})" 522 523 if [ "$e_type" = "$SUB_ESTABLISHED" ] 524 then 525 if [ "$e_family" = "$AF_INET6" ] 526 then 527 print_test "CREATE_SUBFLOW6 ${info}" 528 else 529 print_test "CREATE_SUBFLOW ${info}" 530 fi 531 else 532 if [ "$e_family" = "$AF_INET6" ] 533 then 534 print_test "DESTROY_SUBFLOW6 ${info}" 535 else 536 print_test "DESTROY_SUBFLOW ${info}" 537 fi 538 fi 539 540 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 541 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 542 family=$(mptcp_lib_evts_get_info family "$evt" $e_type) 543 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 544 locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type) 545 remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 546 if [ "$family" = "$AF_INET6" ] 547 then 548 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type) 549 daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 550 else 551 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type) 552 daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 553 fi 554 555 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid" 556} 557 558test_subflows() 559{ 560 print_title "Subflows v4 or v6 only tests" 561 562 # Capture events on the network namespace running the server 563 :>"$server_evts" 564 565 # Attempt to add a listener at 10.0.2.2:<subflow-port> 566 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 567 "$client4_port" & 568 local listener_pid=$! 569 570 # ADD_ADDR from client to server machine reusing the subflow port 571 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 572 $client_addr_id 573 sleep 0.5 574 575 # CREATE_SUBFLOW from server to client machine 576 :>"$server_evts" 577 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 578 rport "$client4_port" token "$server4_token" 579 sleep 0.5 580 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ 581 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 582 583 # Delete the listener from the client ns, if one was created 584 mptcp_lib_kill_wait $listener_pid 585 586 local sport 587 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 588 589 # DESTROY_SUBFLOW from server to client machine 590 :>"$server_evts" 591 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 592 "$client4_port" token "$server4_token" 593 sleep 0.5 594 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 595 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 596 597 # RM_ADDR from client to server machine 598 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 599 "$client4_token" 600 sleep 0.5 601 602 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 603 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 604 "$client6_port" & 605 listener_pid=$! 606 607 # ADD_ADDR6 from client to server machine reusing the subflow port 608 :>"$server_evts" 609 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 610 $client_addr_id 611 sleep 0.5 612 613 # CREATE_SUBFLOW6 from server to client machine 614 :>"$server_evts" 615 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 616 dead:beef:2::2 rport "$client6_port" token "$server6_token" 617 sleep 0.5 618 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 619 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 620 "$client_addr_id" "ns1" "ns2" 621 622 # Delete the listener from the client ns, if one was created 623 mptcp_lib_kill_wait $listener_pid 624 625 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 626 627 # DESTROY_SUBFLOW6 from server to client machine 628 :>"$server_evts" 629 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 630 dead:beef:2::2 rport "$client6_port" token "$server6_token" 631 sleep 0.5 632 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 633 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 634 "$client_addr_id" "ns1" "ns2" 635 636 # RM_ADDR from client to server machine 637 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 638 "$client6_token" 639 sleep 0.5 640 641 # Attempt to add a listener at 10.0.2.2:<new-port> 642 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 643 $new4_port & 644 listener_pid=$! 645 646 # ADD_ADDR from client to server machine using a new port 647 :>"$server_evts" 648 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 649 $client_addr_id port $new4_port 650 sleep 0.5 651 652 # CREATE_SUBFLOW from server to client machine 653 :>"$server_evts" 654 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 655 $new4_port token "$server4_token" 656 sleep 0.5 657 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 658 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 659 "$client_addr_id" "ns1" "ns2" 660 661 # Delete the listener from the client ns, if one was created 662 mptcp_lib_kill_wait $listener_pid 663 664 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 665 666 # DESTROY_SUBFLOW from server to client machine 667 :>"$server_evts" 668 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 669 $new4_port token "$server4_token" 670 sleep 0.5 671 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 672 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 673 674 # RM_ADDR from client to server machine 675 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 676 "$client4_token" 677 678 # Capture events on the network namespace running the client 679 :>"$client_evts" 680 681 # Attempt to add a listener at 10.0.2.1:<subflow-port> 682 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 683 $app4_port & 684 listener_pid=$! 685 686 # ADD_ADDR from server to client machine reusing the subflow port 687 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 688 $server_addr_id 689 sleep 0.5 690 691 # CREATE_SUBFLOW from client to server machine 692 :>"$client_evts" 693 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 694 $app4_port token "$client4_token" 695 sleep 0.5 696 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ 697 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 698 699 # Delete the listener from the server ns, if one was created 700 mptcp_lib_kill_wait $listener_pid 701 702 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 703 704 # DESTROY_SUBFLOW from client to server machine 705 :>"$client_evts" 706 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 707 $app4_port token "$client4_token" 708 sleep 0.5 709 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 710 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 711 712 # RM_ADDR from server to client machine 713 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 714 "$server4_token" 715 sleep 0.5 716 717 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 718 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 719 $app6_port & 720 listener_pid=$! 721 722 # ADD_ADDR6 from server to client machine reusing the subflow port 723 :>"$client_evts" 724 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 725 $server_addr_id 726 sleep 0.5 727 728 # CREATE_SUBFLOW6 from client to server machine 729 :>"$client_evts" 730 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 731 dead:beef:2::1 rport $app6_port token "$client6_token" 732 sleep 0.5 733 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 734 "$AF_INET6" "dead:beef:2::2"\ 735 "dead:beef:2::1" "$app6_port" "23"\ 736 "$server_addr_id" "ns2" "ns1" 737 738 # Delete the listener from the server ns, if one was created 739 mptcp_lib_kill_wait $listener_pid 740 741 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 742 743 # DESTROY_SUBFLOW6 from client to server machine 744 :>"$client_evts" 745 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 746 dead:beef:2::1 rport $app6_port token "$client6_token" 747 sleep 0.5 748 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ 749 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 750 751 # RM_ADDR6 from server to client machine 752 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 753 "$server6_token" 754 sleep 0.5 755 756 # Attempt to add a listener at 10.0.2.1:<new-port> 757 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 758 $new4_port & 759 listener_pid=$! 760 761 # ADD_ADDR from server to client machine using a new port 762 :>"$client_evts" 763 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 764 $server_addr_id port $new4_port 765 sleep 0.5 766 767 # CREATE_SUBFLOW from client to server machine 768 :>"$client_evts" 769 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 770 $new4_port token "$client4_token" 771 sleep 0.5 772 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 773 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 774 775 # Delete the listener from the server ns, if one was created 776 mptcp_lib_kill_wait $listener_pid 777 778 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 779 780 # DESTROY_SUBFLOW from client to server machine 781 :>"$client_evts" 782 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 783 $new4_port token "$client4_token" 784 sleep 0.5 785 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 786 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 787 788 # RM_ADDR from server to client machine 789 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 790 "$server4_token" 791} 792 793test_subflows_v4_v6_mix() 794{ 795 print_title "Subflows v4 and v6 mix tests" 796 797 # Attempt to add a listener at 10.0.2.1:<subflow-port> 798 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 799 $app6_port & 800 local listener_pid=$! 801 802 # ADD_ADDR4 from server to client machine reusing the subflow port on 803 # the established v6 connection 804 :>"$client_evts" 805 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\ 806 $server_addr_id dev ns1eth2 807 print_test "ADD_ADDR4 id:server 10.0.2.1 (ns1) => ns2, reuse port" 808 sleep 0.5 809 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\ 810 "$server_addr_id" "$app6_port" 811 812 # CREATE_SUBFLOW from client to server machine 813 :>"$client_evts" 814 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 815 $app6_port token "$client6_token" 816 sleep 0.5 817 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 818 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 819 "$server_addr_id" "ns2" "ns1" 820 821 # Delete the listener from the server ns, if one was created 822 mptcp_lib_kill_wait $listener_pid 823 824 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 825 826 # DESTROY_SUBFLOW from client to server machine 827 :>"$client_evts" 828 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 829 $app6_port token "$client6_token" 830 sleep 0.5 831 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \ 832 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 833 "$server_addr_id" "ns2" "ns1" 834 835 # RM_ADDR from server to client machine 836 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 837 "$server6_token" 838 sleep 0.5 839} 840 841test_prio() 842{ 843 print_title "Prio tests" 844 845 local count 846 847 # Send MP_PRIO signal from client to server machine 848 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" 849 sleep 0.5 850 851 # Check TX 852 print_test "MP_PRIO TX" 853 count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx") 854 if [ -z "$count" ]; then 855 test_skip 856 elif [ $count != 1 ]; then 857 test_fail "Count != 1: ${count}" 858 else 859 test_pass 860 fi 861 862 # Check RX 863 print_test "MP_PRIO RX" 864 count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx") 865 if [ -z "$count" ]; then 866 test_skip 867 elif [ $count != 1 ]; then 868 test_fail "Count != 1: ${count}" 869 else 870 test_pass 871 fi 872} 873 874verify_listener_events() 875{ 876 if mptcp_lib_verify_listener_events "${@}"; then 877 test_pass 878 else 879 test_fail 880 fi 881} 882 883test_listener() 884{ 885 print_title "Listener tests" 886 887 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then 888 print_test "LISTENER events" 889 test_skip 890 return 891 fi 892 893 # Capture events on the network namespace running the client 894 :>$client_evts 895 896 # Attempt to add a listener at 10.0.2.2:<subflow-port> 897 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ 898 $client4_port & 899 local listener_pid=$! 900 901 sleep 0.5 902 print_test "CREATE_LISTENER 10.0.2.2 (client port)" 903 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port 904 905 # ADD_ADDR from client to server machine reusing the subflow port 906 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ 907 $client_addr_id 908 sleep 0.5 909 910 # CREATE_SUBFLOW from server to client machine 911 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 912 rport $client4_port token $server4_token 913 sleep 0.5 914 915 # Delete the listener from the client ns, if one was created 916 mptcp_lib_kill_wait $listener_pid 917 918 sleep 0.5 919 print_test "CLOSE_LISTENER 10.0.2.2 (client port)" 920 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port 921} 922 923print_title "Make connections" 924make_connection 925make_connection "v6" 926print_title "Will be using address IDs ${client_addr_id} (client) and ${server_addr_id} (server)" 927 928test_announce 929test_remove 930test_subflows 931test_subflows_v4_v6_mix 932test_prio 933test_listener 934 935mptcp_lib_result_print_all_tap 936exit ${ret} 937