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 sleep 0.5 215 216 # Run the client, transfer $file and stay connected to the server 217 # to conduct tests 218 ip netns exec "$ns2" \ 219 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 220 2>&1 > /dev/null < "$file" & 221 local client_pid=$! 222 sleep 1 223 224 # Capture client/server attributes from MPTCP connection netlink events 225 226 local client_token 227 local client_port 228 local client_serverside 229 local client_nojoin 230 local server_token 231 local server_serverside 232 local server_nojoin 233 234 client_token=$(mptcp_lib_evts_get_info token "$client_evts") 235 client_port=$(mptcp_lib_evts_get_info sport "$client_evts") 236 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts") 237 client_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$client_evts") 238 server_token=$(mptcp_lib_evts_get_info token "$server_evts") 239 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts") 240 server_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$server_evts") 241 242 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1" 243 if [ "${client_token}" != "" ] && [ "${server_token}" != "" ] && 244 [ "${client_serverside:-0}" = 0 ] && [ "${server_serverside:-0}" = 1 ] && 245 [ "${client_nojoin:-0}" = 0 ] && [ "${server_nojoin:-0}" = 1 ] 246 then 247 test_pass 248 print_title "Connection info: ${client_addr}:${client_port} -> ${connect_addr}:${app_port}" 249 else 250 test_fail "Expected tokens (c:${client_token} - s:${server_token}), server (c:${client_serverside} - s:${server_serverside}), nojoin (c:${client_nojoin} - s:${server_nojoin})" 251 mptcp_lib_result_print_all_tap 252 exit ${KSFT_FAIL} 253 fi 254 255 if [ "$is_v6" = "v6" ] 256 then 257 client6_token=$client_token 258 server6_token=$server_token 259 client6_port=$client_port 260 client6_pid=$client_pid 261 server6_pid=$server_pid 262 else 263 client4_token=$client_token 264 server4_token=$server_token 265 client4_port=$client_port 266 client4_pid=$client_pid 267 server4_pid=$server_pid 268 fi 269} 270 271# $@: all var names to check 272check_expected() 273{ 274 if mptcp_lib_check_expected "${@}" 275 then 276 test_pass 277 return 0 278 fi 279 280 test_fail 281 return 1 282} 283 284verify_announce_event() 285{ 286 local evt=$1 287 local e_type=$2 288 local e_token=$3 289 local e_addr=$4 290 local e_id=$5 291 local e_dport=$6 292 local e_af=$7 293 local type 294 local token 295 local addr 296 local dport 297 local id 298 299 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 300 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 301 if [ "$e_af" = "v6" ] 302 then 303 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 304 else 305 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 306 fi 307 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 308 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 309 310 check_expected "type" "token" "addr" "dport" "id" 311} 312 313test_announce() 314{ 315 print_title "Announce tests" 316 317 # Capture events on the network namespace running the server 318 :>"$server_evts" 319 320 # ADD_ADDR using an invalid token should result in no action 321 local invalid_token=$(( client4_token - 1)) 322 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 323 $client_addr_id dev ns2eth1 > /dev/null 2>&1 324 325 local type 326 type=$(mptcp_lib_evts_get_info type "$server_evts") 327 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token" 328 if [ "$type" = "" ] 329 then 330 test_pass 331 else 332 test_fail "type defined: ${type}" 333 fi 334 335 # ADD_ADDR from the client to server machine reusing the subflow port 336 :>"$server_evts" 337 ip netns exec "$ns2"\ 338 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 339 ns2eth1 340 print_test "ADD_ADDR id:client 10.0.2.2 (ns2) => ns1, reuse port" 341 sleep 0.5 342 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ 343 "$client4_port" 344 345 # ADD_ADDR6 from the client to server machine reusing the subflow port 346 :>"$server_evts" 347 ip netns exec "$ns2" ./pm_nl_ctl ann\ 348 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 349 print_test "ADD_ADDR6 id:client dead:beef:2::2 (ns2) => ns1, reuse port" 350 sleep 0.5 351 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 352 "$client_addr_id" "$client6_port" "v6" 353 354 # ADD_ADDR from the client to server machine using a new port 355 :>"$server_evts" 356 client_addr_id=$((client_addr_id+1)) 357 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 358 $client_addr_id dev ns2eth1 port $new4_port 359 print_test "ADD_ADDR id:client+1 10.0.2.2 (ns2) => ns1, new port" 360 sleep 0.5 361 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 362 "$client_addr_id" "$new4_port" 363 364 # Capture events on the network namespace running the client 365 :>"$client_evts" 366 367 # ADD_ADDR from the server to client machine reusing the subflow port 368 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 369 $server_addr_id dev ns1eth2 370 print_test "ADD_ADDR id:server 10.0.2.1 (ns1) => ns2, reuse port" 371 sleep 0.5 372 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 373 "$server_addr_id" "$app4_port" 374 375 # ADD_ADDR6 from the server to client machine reusing the subflow port 376 :>"$client_evts" 377 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 378 $server_addr_id dev ns1eth2 379 print_test "ADD_ADDR6 id:server dead:beef:2::1 (ns1) => ns2, reuse port" 380 sleep 0.5 381 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 382 "$server_addr_id" "$app6_port" "v6" 383 384 # ADD_ADDR from the server to client machine using a new port 385 :>"$client_evts" 386 server_addr_id=$((server_addr_id+1)) 387 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 388 $server_addr_id dev ns1eth2 port $new4_port 389 print_test "ADD_ADDR id:server+1 10.0.2.1 (ns1) => ns2, new port" 390 sleep 0.5 391 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 392 "$server_addr_id" "$new4_port" 393} 394 395verify_remove_event() 396{ 397 local evt=$1 398 local e_type=$2 399 local e_token=$3 400 local e_id=$4 401 local type 402 local token 403 local id 404 405 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 406 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 407 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 408 409 check_expected "type" "token" "id" 410} 411 412test_remove() 413{ 414 print_title "Remove tests" 415 416 # Capture events on the network namespace running the server 417 :>"$server_evts" 418 419 # RM_ADDR using an invalid token should result in no action 420 local invalid_token=$(( client4_token - 1 )) 421 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 422 $client_addr_id > /dev/null 2>&1 423 print_test "RM_ADDR id:client ns2 => ns1, invalid token" 424 local type 425 type=$(mptcp_lib_evts_get_info type "$server_evts") 426 if [ "$type" = "" ] 427 then 428 test_pass 429 else 430 test_fail "unexpected type: ${type}" 431 fi 432 433 # RM_ADDR using an invalid addr id should result in no action 434 local invalid_id=$(( client_addr_id + 1 )) 435 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 436 $invalid_id > /dev/null 2>&1 437 print_test "RM_ADDR id:client+1 ns2 => ns1, invalid id" 438 type=$(mptcp_lib_evts_get_info type "$server_evts") 439 if [ "$type" = "" ] 440 then 441 test_pass 442 else 443 test_fail "unexpected type: ${type}" 444 fi 445 446 # RM_ADDR from the client to server machine 447 :>"$server_evts" 448 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 449 $client_addr_id 450 print_test "RM_ADDR id:client ns2 => ns1" 451 sleep 0.5 452 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 453 454 # RM_ADDR from the client to server machine 455 :>"$server_evts" 456 client_addr_id=$(( client_addr_id - 1 )) 457 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 458 $client_addr_id 459 print_test "RM_ADDR id:client-1 ns2 => ns1" 460 sleep 0.5 461 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 462 463 # RM_ADDR6 from the client to server machine 464 :>"$server_evts" 465 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 466 $client_addr_id 467 print_test "RM_ADDR6 id:client-1 ns2 => ns1" 468 sleep 0.5 469 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" 470 471 # Capture events on the network namespace running the client 472 :>"$client_evts" 473 474 # RM_ADDR from the server to client machine 475 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 476 $server_addr_id 477 print_test "RM_ADDR id:server ns1 => ns2" 478 sleep 0.5 479 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 480 481 # RM_ADDR from the server to client machine 482 :>"$client_evts" 483 server_addr_id=$(( server_addr_id - 1 )) 484 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 485 $server_addr_id 486 print_test "RM_ADDR id:server-1 ns1 => ns2" 487 sleep 0.5 488 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 489 490 # RM_ADDR6 from the server to client machine 491 :>"$client_evts" 492 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 493 $server_addr_id 494 print_test "RM_ADDR6 id:server-1 ns1 => ns2" 495 sleep 0.5 496 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" 497} 498 499verify_subflow_events() 500{ 501 local evt=$1 502 local e_type=$2 503 local e_token=$3 504 local e_family=$4 505 local e_saddr=$5 506 local e_daddr=$6 507 local e_dport=$7 508 local e_locid=$8 509 local e_remid=$9 510 shift 2 511 local e_from=$8 512 local e_to=$9 513 local type 514 local token 515 local family 516 local saddr 517 local daddr 518 local dport 519 local locid 520 local remid 521 local info 522 local e_dport_txt 523 524 # only display the fixed ports 525 if [ "${e_dport}" -ge "${app4_port}" ] && [ "${e_dport}" -le "${app6_port}" ]; then 526 e_dport_txt=":${e_dport}" 527 fi 528 529 info="${e_saddr} (${e_from}) => ${e_daddr}${e_dport_txt} (${e_to})" 530 531 if [ "$e_type" = "$SUB_ESTABLISHED" ] 532 then 533 if [ "$e_family" = "$AF_INET6" ] 534 then 535 print_test "CREATE_SUBFLOW6 ${info}" 536 else 537 print_test "CREATE_SUBFLOW ${info}" 538 fi 539 else 540 if [ "$e_family" = "$AF_INET6" ] 541 then 542 print_test "DESTROY_SUBFLOW6 ${info}" 543 else 544 print_test "DESTROY_SUBFLOW ${info}" 545 fi 546 fi 547 548 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 549 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 550 family=$(mptcp_lib_evts_get_info family "$evt" $e_type) 551 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 552 locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type) 553 remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 554 if [ "$family" = "$AF_INET6" ] 555 then 556 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type) 557 daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 558 else 559 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type) 560 daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 561 fi 562 563 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid" 564} 565 566test_subflows() 567{ 568 print_title "Subflows v4 or v6 only tests" 569 570 # Capture events on the network namespace running the server 571 :>"$server_evts" 572 573 # Attempt to add a listener at 10.0.2.2:<subflow-port> 574 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 575 "$client4_port" & 576 local listener_pid=$! 577 578 # ADD_ADDR from client to server machine reusing the subflow port 579 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 580 $client_addr_id 581 sleep 0.5 582 583 # CREATE_SUBFLOW from server to client machine 584 :>"$server_evts" 585 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 586 rport "$client4_port" token "$server4_token" 587 sleep 0.5 588 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ 589 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 590 591 # Delete the listener from the client ns, if one was created 592 mptcp_lib_kill_wait $listener_pid 593 594 local sport 595 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 596 597 # DESTROY_SUBFLOW from server to client machine 598 :>"$server_evts" 599 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 600 "$client4_port" token "$server4_token" 601 sleep 0.5 602 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 603 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 604 605 # RM_ADDR from client to server machine 606 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 607 "$client4_token" 608 sleep 0.5 609 610 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 611 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 612 "$client6_port" & 613 listener_pid=$! 614 615 # ADD_ADDR6 from client to server machine reusing the subflow port 616 :>"$server_evts" 617 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 618 $client_addr_id 619 sleep 0.5 620 621 # CREATE_SUBFLOW6 from server to client machine 622 :>"$server_evts" 623 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 624 dead:beef:2::2 rport "$client6_port" token "$server6_token" 625 sleep 0.5 626 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 627 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 628 "$client_addr_id" "ns1" "ns2" 629 630 # Delete the listener from the client ns, if one was created 631 mptcp_lib_kill_wait $listener_pid 632 633 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 634 635 # DESTROY_SUBFLOW6 from server to client machine 636 :>"$server_evts" 637 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 638 dead:beef:2::2 rport "$client6_port" token "$server6_token" 639 sleep 0.5 640 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 641 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 642 "$client_addr_id" "ns1" "ns2" 643 644 # RM_ADDR from client to server machine 645 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 646 "$client6_token" 647 sleep 0.5 648 649 # Attempt to add a listener at 10.0.2.2:<new-port> 650 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 651 $new4_port & 652 listener_pid=$! 653 654 # ADD_ADDR from client to server machine using a new port 655 :>"$server_evts" 656 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 657 $client_addr_id port $new4_port 658 sleep 0.5 659 660 # CREATE_SUBFLOW from server to client machine 661 :>"$server_evts" 662 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 663 $new4_port token "$server4_token" 664 sleep 0.5 665 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 666 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 667 "$client_addr_id" "ns1" "ns2" 668 669 # Delete the listener from the client ns, if one was created 670 mptcp_lib_kill_wait $listener_pid 671 672 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 673 674 # DESTROY_SUBFLOW from server to client machine 675 :>"$server_evts" 676 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 677 $new4_port token "$server4_token" 678 sleep 0.5 679 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 680 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 681 682 # RM_ADDR from client to server machine 683 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 684 "$client4_token" 685 686 # Capture events on the network namespace running the client 687 :>"$client_evts" 688 689 # Attempt to add a listener at 10.0.2.1:<subflow-port> 690 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 691 $app4_port & 692 listener_pid=$! 693 694 # ADD_ADDR from server to client machine reusing the subflow port 695 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 696 $server_addr_id 697 sleep 0.5 698 699 # CREATE_SUBFLOW from client to server machine 700 :>"$client_evts" 701 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 702 $app4_port token "$client4_token" 703 sleep 0.5 704 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ 705 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 706 707 # Delete the listener from the server ns, if one was created 708 mptcp_lib_kill_wait $listener_pid 709 710 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 711 712 # DESTROY_SUBFLOW from client to server machine 713 :>"$client_evts" 714 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 715 $app4_port token "$client4_token" 716 sleep 0.5 717 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 718 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 719 720 # RM_ADDR from server to client machine 721 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 722 "$server4_token" 723 sleep 0.5 724 725 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 726 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 727 $app6_port & 728 listener_pid=$! 729 730 # ADD_ADDR6 from server to client machine reusing the subflow port 731 :>"$client_evts" 732 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 733 $server_addr_id 734 sleep 0.5 735 736 # CREATE_SUBFLOW6 from client to server machine 737 :>"$client_evts" 738 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 739 dead:beef:2::1 rport $app6_port token "$client6_token" 740 sleep 0.5 741 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 742 "$AF_INET6" "dead:beef:2::2"\ 743 "dead:beef:2::1" "$app6_port" "23"\ 744 "$server_addr_id" "ns2" "ns1" 745 746 # Delete the listener from the server ns, if one was created 747 mptcp_lib_kill_wait $listener_pid 748 749 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 750 751 # DESTROY_SUBFLOW6 from client to server machine 752 :>"$client_evts" 753 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 754 dead:beef:2::1 rport $app6_port token "$client6_token" 755 sleep 0.5 756 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ 757 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 758 759 # RM_ADDR6 from server to client machine 760 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 761 "$server6_token" 762 sleep 0.5 763 764 # Attempt to add a listener at 10.0.2.1:<new-port> 765 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 766 $new4_port & 767 listener_pid=$! 768 769 # ADD_ADDR from server to client machine using a new port 770 :>"$client_evts" 771 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 772 $server_addr_id port $new4_port 773 sleep 0.5 774 775 # CREATE_SUBFLOW from client to server machine 776 :>"$client_evts" 777 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 778 $new4_port token "$client4_token" 779 sleep 0.5 780 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 781 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 782 783 # Delete the listener from the server ns, if one was created 784 mptcp_lib_kill_wait $listener_pid 785 786 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 787 788 # DESTROY_SUBFLOW from client to server machine 789 :>"$client_evts" 790 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 791 $new4_port token "$client4_token" 792 sleep 0.5 793 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 794 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 795 796 # RM_ADDR from server to client machine 797 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 798 "$server4_token" 799} 800 801test_subflows_v4_v6_mix() 802{ 803 print_title "Subflows v4 and v6 mix tests" 804 805 # Attempt to add a listener at 10.0.2.1:<subflow-port> 806 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 807 $app6_port & 808 local listener_pid=$! 809 810 # ADD_ADDR4 from server to client machine reusing the subflow port on 811 # the established v6 connection 812 :>"$client_evts" 813 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\ 814 $server_addr_id dev ns1eth2 815 print_test "ADD_ADDR4 id:server 10.0.2.1 (ns1) => ns2, reuse port" 816 sleep 0.5 817 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\ 818 "$server_addr_id" "$app6_port" 819 820 # CREATE_SUBFLOW from client to server machine 821 :>"$client_evts" 822 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 823 $app6_port token "$client6_token" 824 sleep 0.5 825 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 826 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 827 "$server_addr_id" "ns2" "ns1" 828 829 # Delete the listener from the server ns, if one was created 830 mptcp_lib_kill_wait $listener_pid 831 832 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 833 834 # DESTROY_SUBFLOW from client to server machine 835 :>"$client_evts" 836 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 837 $app6_port token "$client6_token" 838 sleep 0.5 839 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \ 840 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 841 "$server_addr_id" "ns2" "ns1" 842 843 # RM_ADDR from server to client machine 844 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 845 "$server6_token" 846 sleep 0.5 847} 848 849test_prio() 850{ 851 print_title "Prio tests" 852 853 local count 854 855 # Send MP_PRIO signal from client to server machine 856 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" 857 sleep 0.5 858 859 # Check TX 860 print_test "MP_PRIO TX" 861 count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx") 862 if [ -z "$count" ]; then 863 test_skip 864 elif [ $count != 1 ]; then 865 test_fail "Count != 1: ${count}" 866 else 867 test_pass 868 fi 869 870 # Check RX 871 print_test "MP_PRIO RX" 872 count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx") 873 if [ -z "$count" ]; then 874 test_skip 875 elif [ $count != 1 ]; then 876 test_fail "Count != 1: ${count}" 877 else 878 test_pass 879 fi 880} 881 882verify_listener_events() 883{ 884 if mptcp_lib_verify_listener_events "${@}"; then 885 test_pass 886 else 887 test_fail 888 fi 889} 890 891test_listener() 892{ 893 print_title "Listener tests" 894 895 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then 896 print_test "LISTENER events" 897 test_skip 898 return 899 fi 900 901 # Capture events on the network namespace running the client 902 :>$client_evts 903 904 # Attempt to add a listener at 10.0.2.2:<subflow-port> 905 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ 906 $client4_port & 907 local listener_pid=$! 908 909 sleep 0.5 910 print_test "CREATE_LISTENER 10.0.2.2 (client port)" 911 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port 912 913 # ADD_ADDR from client to server machine reusing the subflow port 914 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ 915 $client_addr_id 916 sleep 0.5 917 918 # CREATE_SUBFLOW from server to client machine 919 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 920 rport $client4_port token $server4_token 921 sleep 0.5 922 923 # Delete the listener from the client ns, if one was created 924 mptcp_lib_kill_wait $listener_pid 925 926 sleep 0.5 927 print_test "CLOSE_LISTENER 10.0.2.2 (client port)" 928 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port 929} 930 931print_title "Make connections" 932make_connection 933make_connection "v6" 934print_title "Will be using address IDs ${client_addr_id} (client) and ${server_addr_id} (server)" 935 936test_announce 937test_remove 938test_subflows 939test_subflows_v4_v6_mix 940test_prio 941test_listener 942 943mptcp_lib_result_print_all_tap 944exit ${ret} 945