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 check_expected_one() 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 ${KSFT_SKIP} 19fi 20mptcp_lib_check_tools ip 21 22ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED 23REMOVED=7 # MPTCP_EVENT_REMOVED 24SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED 25SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED 26LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED 27LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED 28 29AF_INET=2 30AF_INET6=10 31 32file="" 33server_evts="" 34client_evts="" 35server_evts_pid=0 36client_evts_pid=0 37client4_pid=0 38server4_pid=0 39client6_pid=0 40server6_pid=0 41client4_token="" 42server4_token="" 43client6_token="" 44server6_token="" 45client4_port=0; 46client6_port=0; 47app4_port=50002 48new4_port=50003 49app6_port=50004 50client_addr_id=${RANDOM:0:2} 51server_addr_id=${RANDOM:0:2} 52 53ns1="" 54ns2="" 55ret=0 56test_name="" 57 58_printf() { 59 stdbuf -o0 -e0 printf "${@}" 60} 61 62print_title() 63{ 64 _printf "INFO: %s\n" "${1}" 65} 66 67# $1: test name 68print_test() 69{ 70 test_name="${1}" 71 72 _printf "%-68s" "${test_name}" 73} 74 75print_results() 76{ 77 _printf "[%s]\n" "${1}" 78} 79 80test_pass() 81{ 82 print_results " OK " 83 mptcp_lib_result_pass "${test_name}" 84} 85 86test_skip() 87{ 88 print_results "SKIP" 89 mptcp_lib_result_skip "${test_name}" 90} 91 92# $1: msg 93test_fail() 94{ 95 print_results "FAIL" 96 ret=1 97 98 if [ -n "${1}" ]; then 99 _printf "\t%s\n" "${1}" 100 fi 101 102 mptcp_lib_result_fail "${test_name}" 103} 104 105# This function is used in the cleanup trap 106#shellcheck disable=SC2317 107cleanup() 108{ 109 print_title "Cleanup" 110 111 # Terminate the MPTCP connection and related processes 112 local pid 113 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\ 114 $server_evts_pid $client_evts_pid 115 do 116 mptcp_lib_kill_wait $pid 117 done 118 119 mptcp_lib_ns_exit "${ns1}" "${ns2}" 120 121 rm -rf $file $client_evts $server_evts 122 123 _printf "Done\n" 124} 125 126trap cleanup EXIT 127 128# Create and configure network namespaces for testing 129mptcp_lib_ns_init ns1 ns2 130for i in "$ns1" "$ns2" ;do 131 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 132done 133 134# "$ns1" ns2 135# ns1eth2 ns2eth1 136 137ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 138 139# Add IPv4/v6 addresses to the namespaces 140ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 141ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 142ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 143ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad 144ip -net "$ns1" link set ns1eth2 up 145 146ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 147ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 148ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 149ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad 150ip -net "$ns2" link set ns2eth1 up 151 152file=$(mktemp) 153mptcp_lib_make_file "$file" 2 1 154 155# Capture netlink events over the two network namespaces running 156# the MPTCP client and server 157client_evts=$(mktemp) 158mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid 159server_evts=$(mktemp) 160mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid 161sleep 0.5 162 163print_title "Init" 164print_test "Created network namespaces ns1, ns2" 165test_pass 166 167make_connection() 168{ 169 local is_v6=$1 170 local app_port=$app4_port 171 local connect_addr="10.0.1.1" 172 local listen_addr="0.0.0.0" 173 if [ "$is_v6" = "v6" ] 174 then 175 connect_addr="dead:beef:1::1" 176 listen_addr="::" 177 app_port=$app6_port 178 else 179 is_v6="v4" 180 fi 181 182 :>"$client_evts" 183 :>"$server_evts" 184 185 # Run the server 186 ip netns exec "$ns1" \ 187 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 188 local server_pid=$! 189 sleep 0.5 190 191 # Run the client, transfer $file and stay connected to the server 192 # to conduct tests 193 ip netns exec "$ns2" \ 194 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 195 2>&1 > /dev/null < "$file" & 196 local client_pid=$! 197 sleep 1 198 199 # Capture client/server attributes from MPTCP connection netlink events 200 201 local client_token 202 local client_port 203 local client_serverside 204 local server_token 205 local server_serverside 206 207 client_token=$(mptcp_lib_evts_get_info token "$client_evts") 208 client_port=$(mptcp_lib_evts_get_info sport "$client_evts") 209 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts") 210 server_token=$(mptcp_lib_evts_get_info token "$server_evts") 211 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts") 212 213 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1" 214 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && 215 [ "$server_serverside" = 1 ] 216 then 217 test_pass 218 else 219 test_fail "Expected tokens (c:${client_token} - s:${server_token}) and server (c:${client_serverside} - s:${server_serverside})" 220 mptcp_lib_result_print_all_tap 221 exit 1 222 fi 223 224 if [ "$is_v6" = "v6" ] 225 then 226 client6_token=$client_token 227 server6_token=$server_token 228 client6_port=$client_port 229 client6_pid=$client_pid 230 server6_pid=$server_pid 231 else 232 client4_token=$client_token 233 server4_token=$server_token 234 client4_port=$client_port 235 client4_pid=$client_pid 236 server4_pid=$server_pid 237 fi 238} 239 240# $1: var name ; $2: prev ret 241check_expected_one() 242{ 243 local var="${1}" 244 local exp="e_${var}" 245 local prev_ret="${2}" 246 247 if [ "${!var}" = "${!exp}" ] 248 then 249 return 0 250 fi 251 252 if [ "${prev_ret}" = "0" ] 253 then 254 test_fail 255 fi 256 257 _printf "\tExpected value for '%s': '%s', got '%s'.\n" \ 258 "${var}" "${!exp}" "${!var}" 259 return 1 260} 261 262# $@: all var names to check 263check_expected() 264{ 265 local rc=0 266 local var 267 268 for var in "${@}" 269 do 270 check_expected_one "${var}" "${rc}" || rc=1 271 done 272 273 if [ ${rc} -eq 0 ] 274 then 275 test_pass 276 return 0 277 fi 278 279 return 1 280} 281 282verify_announce_event() 283{ 284 local evt=$1 285 local e_type=$2 286 local e_token=$3 287 local e_addr=$4 288 local e_id=$5 289 local e_dport=$6 290 local e_af=$7 291 local type 292 local token 293 local addr 294 local dport 295 local id 296 297 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 298 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 299 if [ "$e_af" = "v6" ] 300 then 301 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 302 else 303 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 304 fi 305 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 306 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 307 308 check_expected "type" "token" "addr" "dport" "id" 309} 310 311test_announce() 312{ 313 print_title "Announce tests" 314 315 # Capture events on the network namespace running the server 316 :>"$server_evts" 317 318 # ADD_ADDR using an invalid token should result in no action 319 local invalid_token=$(( client4_token - 1)) 320 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 321 $client_addr_id dev ns2eth1 > /dev/null 2>&1 322 323 local type 324 type=$(mptcp_lib_evts_get_info type "$server_evts") 325 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token" 326 if [ "$type" = "" ] 327 then 328 test_pass 329 else 330 test_fail "type defined: ${type}" 331 fi 332 333 # ADD_ADDR from the client to server machine reusing the subflow port 334 :>"$server_evts" 335 ip netns exec "$ns2"\ 336 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 337 ns2eth1 338 print_test "ADD_ADDR id:${client_addr_id} 10.0.2.2 (ns2) => ns1, reuse port" 339 sleep 0.5 340 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ 341 "$client4_port" 342 343 # ADD_ADDR6 from the client to server machine reusing the subflow port 344 :>"$server_evts" 345 ip netns exec "$ns2" ./pm_nl_ctl ann\ 346 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 347 print_test "ADD_ADDR6 id:${client_addr_id} dead:beef:2::2 (ns2) => ns1, reuse port" 348 sleep 0.5 349 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 350 "$client_addr_id" "$client6_port" "v6" 351 352 # ADD_ADDR from the client to server machine using a new port 353 :>"$server_evts" 354 client_addr_id=$((client_addr_id+1)) 355 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 356 $client_addr_id dev ns2eth1 port $new4_port 357 print_test "ADD_ADDR id:${client_addr_id} 10.0.2.2 (ns2) => ns1, new port" 358 sleep 0.5 359 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 360 "$client_addr_id" "$new4_port" 361 362 # Capture events on the network namespace running the client 363 :>"$client_evts" 364 365 # ADD_ADDR from the server to client machine reusing the subflow port 366 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 367 $server_addr_id dev ns1eth2 368 print_test "ADD_ADDR id:${server_addr_id} 10.0.2.1 (ns1) => ns2, reuse port" 369 sleep 0.5 370 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 371 "$server_addr_id" "$app4_port" 372 373 # ADD_ADDR6 from the server to client machine reusing the subflow port 374 :>"$client_evts" 375 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 376 $server_addr_id dev ns1eth2 377 print_test "ADD_ADDR6 id:${server_addr_id} dead:beef:2::1 (ns1) => ns2, reuse port" 378 sleep 0.5 379 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 380 "$server_addr_id" "$app6_port" "v6" 381 382 # ADD_ADDR from the server to client machine using a new port 383 :>"$client_evts" 384 server_addr_id=$((server_addr_id+1)) 385 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 386 $server_addr_id dev ns1eth2 port $new4_port 387 print_test "ADD_ADDR id:${server_addr_id} 10.0.2.1 (ns1) => ns2, new port" 388 sleep 0.5 389 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 390 "$server_addr_id" "$new4_port" 391} 392 393verify_remove_event() 394{ 395 local evt=$1 396 local e_type=$2 397 local e_token=$3 398 local e_id=$4 399 local type 400 local token 401 local id 402 403 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 404 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 405 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 406 407 check_expected "type" "token" "id" 408} 409 410test_remove() 411{ 412 print_title "Remove tests" 413 414 # Capture events on the network namespace running the server 415 :>"$server_evts" 416 417 # RM_ADDR using an invalid token should result in no action 418 local invalid_token=$(( client4_token - 1 )) 419 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 420 $client_addr_id > /dev/null 2>&1 421 print_test "RM_ADDR id:${client_addr_id} ns2 => ns1, invalid token" 422 local type 423 type=$(mptcp_lib_evts_get_info type "$server_evts") 424 if [ "$type" = "" ] 425 then 426 test_pass 427 else 428 test_fail 429 fi 430 431 # RM_ADDR using an invalid addr id should result in no action 432 local invalid_id=$(( client_addr_id + 1 )) 433 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 434 $invalid_id > /dev/null 2>&1 435 print_test "RM_ADDR id:${invalid_id} ns2 => ns1, invalid id" 436 type=$(mptcp_lib_evts_get_info type "$server_evts") 437 if [ "$type" = "" ] 438 then 439 test_pass 440 else 441 test_fail 442 fi 443 444 # RM_ADDR from the client to server machine 445 :>"$server_evts" 446 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 447 $client_addr_id 448 print_test "RM_ADDR id:${client_addr_id} ns2 => ns1" 449 sleep 0.5 450 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 451 452 # RM_ADDR from the client to server machine 453 :>"$server_evts" 454 client_addr_id=$(( client_addr_id - 1 )) 455 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 456 $client_addr_id 457 print_test "RM_ADDR id:${client_addr_id} ns2 => ns1" 458 sleep 0.5 459 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 460 461 # RM_ADDR6 from the client to server machine 462 :>"$server_evts" 463 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 464 $client_addr_id 465 print_test "RM_ADDR6 id:${client_addr_id} ns2 => ns1" 466 sleep 0.5 467 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" 468 469 # Capture events on the network namespace running the client 470 :>"$client_evts" 471 472 # RM_ADDR from the server to client machine 473 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 474 $server_addr_id 475 print_test "RM_ADDR id:${server_addr_id} ns1 => ns2" 476 sleep 0.5 477 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 478 479 # RM_ADDR from the server to client machine 480 :>"$client_evts" 481 server_addr_id=$(( server_addr_id - 1 )) 482 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 483 $server_addr_id 484 print_test "RM_ADDR id:${server_addr_id} ns1 => ns2" 485 sleep 0.5 486 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 487 488 # RM_ADDR6 from the server to client machine 489 :>"$client_evts" 490 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 491 $server_addr_id 492 print_test "RM_ADDR6 id:${server_addr_id} ns1 => ns2" 493 sleep 0.5 494 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" 495} 496 497verify_subflow_events() 498{ 499 local evt=$1 500 local e_type=$2 501 local e_token=$3 502 local e_family=$4 503 local e_saddr=$5 504 local e_daddr=$6 505 local e_dport=$7 506 local e_locid=$8 507 local e_remid=$9 508 shift 2 509 local e_from=$8 510 local e_to=$9 511 local type 512 local token 513 local family 514 local saddr 515 local daddr 516 local dport 517 local locid 518 local remid 519 local info 520 521 info="${e_saddr} (${e_from}) => ${e_daddr}:${e_dport} (${e_to})" 522 523 if [ "$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_addr_id} 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 local evt=$1 877 local e_type=$2 878 local e_family=$3 879 local e_saddr=$4 880 local e_sport=$5 881 local type 882 local family 883 local saddr 884 local sport 885 886 if [ $e_type = $LISTENER_CREATED ]; then 887 print_test "CREATE_LISTENER $e_saddr:$e_sport" 888 elif [ $e_type = $LISTENER_CLOSED ]; then 889 print_test "CLOSE_LISTENER $e_saddr:$e_sport" 890 fi 891 892 type=$(mptcp_lib_evts_get_info type $evt $e_type) 893 family=$(mptcp_lib_evts_get_info family $evt $e_type) 894 sport=$(mptcp_lib_evts_get_info sport $evt $e_type) 895 if [ $family ] && [ $family = $AF_INET6 ]; then 896 saddr=$(mptcp_lib_evts_get_info saddr6 $evt $e_type) 897 else 898 saddr=$(mptcp_lib_evts_get_info saddr4 $evt $e_type) 899 fi 900 901 check_expected "type" "family" "saddr" "sport" 902} 903 904test_listener() 905{ 906 print_title "Listener tests" 907 908 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then 909 print_test "LISTENER events" 910 test_skip 911 return 912 fi 913 914 # Capture events on the network namespace running the client 915 :>$client_evts 916 917 # Attempt to add a listener at 10.0.2.2:<subflow-port> 918 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ 919 $client4_port & 920 local listener_pid=$! 921 922 sleep 0.5 923 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port 924 925 # ADD_ADDR from client to server machine reusing the subflow port 926 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ 927 $client_addr_id 928 sleep 0.5 929 930 # CREATE_SUBFLOW from server to client machine 931 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 932 rport $client4_port token $server4_token 933 sleep 0.5 934 935 # Delete the listener from the client ns, if one was created 936 mptcp_lib_kill_wait $listener_pid 937 938 sleep 0.5 939 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port 940} 941 942print_title "Make connections" 943make_connection 944make_connection "v6" 945 946test_announce 947test_remove 948test_subflows 949test_subflows_v4_v6_mix 950test_prio 951test_listener 952 953mptcp_lib_result_print_all_tap 954exit ${ret} 955