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