1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# This test is for checking IPv4 and IPv6 FIB behavior in response to 5# different events. 6 7ret=0 8# Kselftest framework requirement - SKIP code is 4. 9ksft_skip=4 10 11# all tests in this script. Can be overridden with -t option 12TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics" 13VERBOSE=0 14PAUSE_ON_FAIL=no 15PAUSE=no 16IP="ip -netns ns1" 17 18log_test() 19{ 20 local rc=$1 21 local expected=$2 22 local msg="$3" 23 24 if [ ${rc} -eq ${expected} ]; then 25 printf " TEST: %-60s [ OK ]\n" "${msg}" 26 nsuccess=$((nsuccess+1)) 27 else 28 ret=1 29 nfail=$((nfail+1)) 30 printf " TEST: %-60s [FAIL]\n" "${msg}" 31 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then 32 echo 33 echo "hit enter to continue, 'q' to quit" 34 read a 35 [ "$a" = "q" ] && exit 1 36 fi 37 fi 38 39 if [ "${PAUSE}" = "yes" ]; then 40 echo 41 echo "hit enter to continue, 'q' to quit" 42 read a 43 [ "$a" = "q" ] && exit 1 44 fi 45} 46 47setup() 48{ 49 set -e 50 ip netns add ns1 51 $IP link set dev lo up 52 ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1 53 ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1 54 55 $IP link add dummy0 type dummy 56 $IP link set dev dummy0 up 57 $IP address add 198.51.100.1/24 dev dummy0 58 $IP -6 address add 2001:db8:1::1/64 dev dummy0 59 set +e 60 61} 62 63cleanup() 64{ 65 $IP link del dev dummy0 &> /dev/null 66 ip netns del ns1 67 ip netns del ns2 &> /dev/null 68} 69 70get_linklocal() 71{ 72 local dev=$1 73 local addr 74 75 addr=$($IP -6 -br addr show dev ${dev} | \ 76 awk '{ 77 for (i = 3; i <= NF; ++i) { 78 if ($i ~ /^fe80/) 79 print $i 80 } 81 }' 82 ) 83 addr=${addr/\/*} 84 85 [ -z "$addr" ] && return 1 86 87 echo $addr 88 89 return 0 90} 91 92fib_unreg_unicast_test() 93{ 94 echo 95 echo "Single path route test" 96 97 setup 98 99 echo " Start point" 100 $IP route get fibmatch 198.51.100.2 &> /dev/null 101 log_test $? 0 "IPv4 fibmatch" 102 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 103 log_test $? 0 "IPv6 fibmatch" 104 105 set -e 106 $IP link del dev dummy0 107 set +e 108 109 echo " Nexthop device deleted" 110 $IP route get fibmatch 198.51.100.2 &> /dev/null 111 log_test $? 2 "IPv4 fibmatch - no route" 112 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 113 log_test $? 2 "IPv6 fibmatch - no route" 114 115 cleanup 116} 117 118fib_unreg_multipath_test() 119{ 120 121 echo 122 echo "Multipath route test" 123 124 setup 125 126 set -e 127 $IP link add dummy1 type dummy 128 $IP link set dev dummy1 up 129 $IP address add 192.0.2.1/24 dev dummy1 130 $IP -6 address add 2001:db8:2::1/64 dev dummy1 131 132 $IP route add 203.0.113.0/24 \ 133 nexthop via 198.51.100.2 dev dummy0 \ 134 nexthop via 192.0.2.2 dev dummy1 135 $IP -6 route add 2001:db8:3::/64 \ 136 nexthop via 2001:db8:1::2 dev dummy0 \ 137 nexthop via 2001:db8:2::2 dev dummy1 138 set +e 139 140 echo " Start point" 141 $IP route get fibmatch 203.0.113.1 &> /dev/null 142 log_test $? 0 "IPv4 fibmatch" 143 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null 144 log_test $? 0 "IPv6 fibmatch" 145 146 set -e 147 $IP link del dev dummy0 148 set +e 149 150 echo " One nexthop device deleted" 151 $IP route get fibmatch 203.0.113.1 &> /dev/null 152 log_test $? 2 "IPv4 - multipath route removed on delete" 153 154 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null 155 # In IPv6 we do not flush the entire multipath route. 156 log_test $? 0 "IPv6 - multipath down to single path" 157 158 set -e 159 $IP link del dev dummy1 160 set +e 161 162 echo " Second nexthop device deleted" 163 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null 164 log_test $? 2 "IPv6 - no route" 165 166 cleanup 167} 168 169fib_unreg_test() 170{ 171 fib_unreg_unicast_test 172 fib_unreg_multipath_test 173} 174 175fib_down_unicast_test() 176{ 177 echo 178 echo "Single path, admin down" 179 180 setup 181 182 echo " Start point" 183 $IP route get fibmatch 198.51.100.2 &> /dev/null 184 log_test $? 0 "IPv4 fibmatch" 185 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 186 log_test $? 0 "IPv6 fibmatch" 187 188 set -e 189 $IP link set dev dummy0 down 190 set +e 191 192 echo " Route deleted on down" 193 $IP route get fibmatch 198.51.100.2 &> /dev/null 194 log_test $? 2 "IPv4 fibmatch" 195 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 196 log_test $? 2 "IPv6 fibmatch" 197 198 cleanup 199} 200 201fib_down_multipath_test_do() 202{ 203 local down_dev=$1 204 local up_dev=$2 205 206 $IP route get fibmatch 203.0.113.1 \ 207 oif $down_dev &> /dev/null 208 log_test $? 2 "IPv4 fibmatch on down device" 209 $IP -6 route get fibmatch 2001:db8:3::1 \ 210 oif $down_dev &> /dev/null 211 log_test $? 2 "IPv6 fibmatch on down device" 212 213 $IP route get fibmatch 203.0.113.1 \ 214 oif $up_dev &> /dev/null 215 log_test $? 0 "IPv4 fibmatch on up device" 216 $IP -6 route get fibmatch 2001:db8:3::1 \ 217 oif $up_dev &> /dev/null 218 log_test $? 0 "IPv6 fibmatch on up device" 219 220 $IP route get fibmatch 203.0.113.1 | \ 221 grep $down_dev | grep -q "dead linkdown" 222 log_test $? 0 "IPv4 flags on down device" 223 $IP -6 route get fibmatch 2001:db8:3::1 | \ 224 grep $down_dev | grep -q "dead linkdown" 225 log_test $? 0 "IPv6 flags on down device" 226 227 $IP route get fibmatch 203.0.113.1 | \ 228 grep $up_dev | grep -q "dead linkdown" 229 log_test $? 1 "IPv4 flags on up device" 230 $IP -6 route get fibmatch 2001:db8:3::1 | \ 231 grep $up_dev | grep -q "dead linkdown" 232 log_test $? 1 "IPv6 flags on up device" 233} 234 235fib_down_multipath_test() 236{ 237 echo 238 echo "Admin down multipath" 239 240 setup 241 242 set -e 243 $IP link add dummy1 type dummy 244 $IP link set dev dummy1 up 245 246 $IP address add 192.0.2.1/24 dev dummy1 247 $IP -6 address add 2001:db8:2::1/64 dev dummy1 248 249 $IP route add 203.0.113.0/24 \ 250 nexthop via 198.51.100.2 dev dummy0 \ 251 nexthop via 192.0.2.2 dev dummy1 252 $IP -6 route add 2001:db8:3::/64 \ 253 nexthop via 2001:db8:1::2 dev dummy0 \ 254 nexthop via 2001:db8:2::2 dev dummy1 255 set +e 256 257 echo " Verify start point" 258 $IP route get fibmatch 203.0.113.1 &> /dev/null 259 log_test $? 0 "IPv4 fibmatch" 260 261 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null 262 log_test $? 0 "IPv6 fibmatch" 263 264 set -e 265 $IP link set dev dummy0 down 266 set +e 267 268 echo " One device down, one up" 269 fib_down_multipath_test_do "dummy0" "dummy1" 270 271 set -e 272 $IP link set dev dummy0 up 273 $IP link set dev dummy1 down 274 set +e 275 276 echo " Other device down and up" 277 fib_down_multipath_test_do "dummy1" "dummy0" 278 279 set -e 280 $IP link set dev dummy0 down 281 set +e 282 283 echo " Both devices down" 284 $IP route get fibmatch 203.0.113.1 &> /dev/null 285 log_test $? 2 "IPv4 fibmatch" 286 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null 287 log_test $? 2 "IPv6 fibmatch" 288 289 $IP link del dev dummy1 290 cleanup 291} 292 293fib_down_test() 294{ 295 fib_down_unicast_test 296 fib_down_multipath_test 297} 298 299# Local routes should not be affected when carrier changes. 300fib_carrier_local_test() 301{ 302 echo 303 echo "Local carrier tests - single path" 304 305 setup 306 307 set -e 308 $IP link set dev dummy0 carrier on 309 set +e 310 311 echo " Start point" 312 $IP route get fibmatch 198.51.100.1 &> /dev/null 313 log_test $? 0 "IPv4 fibmatch" 314 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null 315 log_test $? 0 "IPv6 fibmatch" 316 317 $IP route get fibmatch 198.51.100.1 | \ 318 grep -q "linkdown" 319 log_test $? 1 "IPv4 - no linkdown flag" 320 $IP -6 route get fibmatch 2001:db8:1::1 | \ 321 grep -q "linkdown" 322 log_test $? 1 "IPv6 - no linkdown flag" 323 324 set -e 325 $IP link set dev dummy0 carrier off 326 sleep 1 327 set +e 328 329 echo " Carrier off on nexthop" 330 $IP route get fibmatch 198.51.100.1 &> /dev/null 331 log_test $? 0 "IPv4 fibmatch" 332 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null 333 log_test $? 0 "IPv6 fibmatch" 334 335 $IP route get fibmatch 198.51.100.1 | \ 336 grep -q "linkdown" 337 log_test $? 1 "IPv4 - linkdown flag set" 338 $IP -6 route get fibmatch 2001:db8:1::1 | \ 339 grep -q "linkdown" 340 log_test $? 1 "IPv6 - linkdown flag set" 341 342 set -e 343 $IP address add 192.0.2.1/24 dev dummy0 344 $IP -6 address add 2001:db8:2::1/64 dev dummy0 345 set +e 346 347 echo " Route to local address with carrier down" 348 $IP route get fibmatch 192.0.2.1 &> /dev/null 349 log_test $? 0 "IPv4 fibmatch" 350 $IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null 351 log_test $? 0 "IPv6 fibmatch" 352 353 $IP route get fibmatch 192.0.2.1 | \ 354 grep -q "linkdown" 355 log_test $? 1 "IPv4 linkdown flag set" 356 $IP -6 route get fibmatch 2001:db8:2::1 | \ 357 grep -q "linkdown" 358 log_test $? 1 "IPv6 linkdown flag set" 359 360 cleanup 361} 362 363fib_carrier_unicast_test() 364{ 365 ret=0 366 367 echo 368 echo "Single path route carrier test" 369 370 setup 371 372 set -e 373 $IP link set dev dummy0 carrier on 374 set +e 375 376 echo " Start point" 377 $IP route get fibmatch 198.51.100.2 &> /dev/null 378 log_test $? 0 "IPv4 fibmatch" 379 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 380 log_test $? 0 "IPv6 fibmatch" 381 382 $IP route get fibmatch 198.51.100.2 | \ 383 grep -q "linkdown" 384 log_test $? 1 "IPv4 no linkdown flag" 385 $IP -6 route get fibmatch 2001:db8:1::2 | \ 386 grep -q "linkdown" 387 log_test $? 1 "IPv6 no linkdown flag" 388 389 set -e 390 $IP link set dev dummy0 carrier off 391 sleep 1 392 set +e 393 394 echo " Carrier down" 395 $IP route get fibmatch 198.51.100.2 &> /dev/null 396 log_test $? 0 "IPv4 fibmatch" 397 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null 398 log_test $? 0 "IPv6 fibmatch" 399 400 $IP route get fibmatch 198.51.100.2 | \ 401 grep -q "linkdown" 402 log_test $? 0 "IPv4 linkdown flag set" 403 $IP -6 route get fibmatch 2001:db8:1::2 | \ 404 grep -q "linkdown" 405 log_test $? 0 "IPv6 linkdown flag set" 406 407 set -e 408 $IP address add 192.0.2.1/24 dev dummy0 409 $IP -6 address add 2001:db8:2::1/64 dev dummy0 410 set +e 411 412 echo " Second address added with carrier down" 413 $IP route get fibmatch 192.0.2.2 &> /dev/null 414 log_test $? 0 "IPv4 fibmatch" 415 $IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null 416 log_test $? 0 "IPv6 fibmatch" 417 418 $IP route get fibmatch 192.0.2.2 | \ 419 grep -q "linkdown" 420 log_test $? 0 "IPv4 linkdown flag set" 421 $IP -6 route get fibmatch 2001:db8:2::2 | \ 422 grep -q "linkdown" 423 log_test $? 0 "IPv6 linkdown flag set" 424 425 cleanup 426} 427 428fib_carrier_test() 429{ 430 fib_carrier_local_test 431 fib_carrier_unicast_test 432} 433 434################################################################################ 435# Tests on nexthop spec 436 437# run 'ip route add' with given spec 438add_rt() 439{ 440 local desc="$1" 441 local erc=$2 442 local vrf=$3 443 local pfx=$4 444 local gw=$5 445 local dev=$6 446 local cmd out rc 447 448 [ "$vrf" = "-" ] && vrf="default" 449 [ -n "$gw" ] && gw="via $gw" 450 [ -n "$dev" ] && dev="dev $dev" 451 452 cmd="$IP route add vrf $vrf $pfx $gw $dev" 453 if [ "$VERBOSE" = "1" ]; then 454 printf "\n COMMAND: $cmd\n" 455 fi 456 457 out=$(eval $cmd 2>&1) 458 rc=$? 459 if [ "$VERBOSE" = "1" -a -n "$out" ]; then 460 echo " $out" 461 fi 462 log_test $rc $erc "$desc" 463} 464 465fib4_nexthop() 466{ 467 echo 468 echo "IPv4 nexthop tests" 469 470 echo "<<< write me >>>" 471} 472 473fib6_nexthop() 474{ 475 local lldummy=$(get_linklocal dummy0) 476 local llv1=$(get_linklocal dummy0) 477 478 if [ -z "$lldummy" ]; then 479 echo "Failed to get linklocal address for dummy0" 480 return 1 481 fi 482 if [ -z "$llv1" ]; then 483 echo "Failed to get linklocal address for veth1" 484 return 1 485 fi 486 487 echo 488 echo "IPv6 nexthop tests" 489 490 add_rt "Directly connected nexthop, unicast address" 0 \ 491 - 2001:db8:101::/64 2001:db8:1::2 492 add_rt "Directly connected nexthop, unicast address with device" 0 \ 493 - 2001:db8:102::/64 2001:db8:1::2 "dummy0" 494 add_rt "Gateway is linklocal address" 0 \ 495 - 2001:db8:103::1/64 $llv1 "veth0" 496 497 # fails because LL address requires a device 498 add_rt "Gateway is linklocal address, no device" 2 \ 499 - 2001:db8:104::1/64 $llv1 500 501 # local address can not be a gateway 502 add_rt "Gateway can not be local unicast address" 2 \ 503 - 2001:db8:105::/64 2001:db8:1::1 504 add_rt "Gateway can not be local unicast address, with device" 2 \ 505 - 2001:db8:106::/64 2001:db8:1::1 "dummy0" 506 add_rt "Gateway can not be a local linklocal address" 2 \ 507 - 2001:db8:107::1/64 $lldummy "dummy0" 508 509 # VRF tests 510 add_rt "Gateway can be local address in a VRF" 0 \ 511 - 2001:db8:108::/64 2001:db8:51::2 512 add_rt "Gateway can be local address in a VRF, with device" 0 \ 513 - 2001:db8:109::/64 2001:db8:51::2 "veth0" 514 add_rt "Gateway can be local linklocal address in a VRF" 0 \ 515 - 2001:db8:110::1/64 $llv1 "veth0" 516 517 add_rt "Redirect to VRF lookup" 0 \ 518 - 2001:db8:111::/64 "" "red" 519 520 add_rt "VRF route, gateway can be local address in default VRF" 0 \ 521 red 2001:db8:112::/64 2001:db8:51::1 522 523 # local address in same VRF fails 524 add_rt "VRF route, gateway can not be a local address" 2 \ 525 red 2001:db8:113::1/64 2001:db8:2::1 526 add_rt "VRF route, gateway can not be a local addr with device" 2 \ 527 red 2001:db8:114::1/64 2001:db8:2::1 "dummy1" 528} 529 530# Default VRF: 531# dummy0 - 198.51.100.1/24 2001:db8:1::1/64 532# veth0 - 192.0.2.1/24 2001:db8:51::1/64 533# 534# VRF red: 535# dummy1 - 192.168.2.1/24 2001:db8:2::1/64 536# veth1 - 192.0.2.2/24 2001:db8:51::2/64 537# 538# [ dummy0 veth0 ]--[ veth1 dummy1 ] 539 540fib_nexthop_test() 541{ 542 setup 543 544 set -e 545 546 $IP -4 rule add pref 32765 table local 547 $IP -4 rule del pref 0 548 $IP -6 rule add pref 32765 table local 549 $IP -6 rule del pref 0 550 551 $IP link add red type vrf table 1 552 $IP link set red up 553 $IP -4 route add vrf red unreachable default metric 4278198272 554 $IP -6 route add vrf red unreachable default metric 4278198272 555 556 $IP link add veth0 type veth peer name veth1 557 $IP link set dev veth0 up 558 $IP address add 192.0.2.1/24 dev veth0 559 $IP -6 address add 2001:db8:51::1/64 dev veth0 560 561 $IP link set dev veth1 vrf red up 562 $IP address add 192.0.2.2/24 dev veth1 563 $IP -6 address add 2001:db8:51::2/64 dev veth1 564 565 $IP link add dummy1 type dummy 566 $IP link set dev dummy1 vrf red up 567 $IP address add 192.168.2.1/24 dev dummy1 568 $IP -6 address add 2001:db8:2::1/64 dev dummy1 569 set +e 570 571 sleep 1 572 fib4_nexthop 573 fib6_nexthop 574 575 ( 576 $IP link del dev dummy1 577 $IP link del veth0 578 $IP link del red 579 ) 2>/dev/null 580 cleanup 581} 582 583################################################################################ 584# Tests on route add and replace 585 586run_cmd() 587{ 588 local cmd="$1" 589 local out 590 local stderr="2>/dev/null" 591 592 if [ "$VERBOSE" = "1" ]; then 593 printf " COMMAND: $cmd\n" 594 stderr= 595 fi 596 597 out=$(eval $cmd $stderr) 598 rc=$? 599 if [ "$VERBOSE" = "1" -a -n "$out" ]; then 600 echo " $out" 601 fi 602 603 [ "$VERBOSE" = "1" ] && echo 604 605 return $rc 606} 607 608check_expected() 609{ 610 local out="$1" 611 local expected="$2" 612 local rc=0 613 614 [ "${out}" = "${expected}" ] && return 0 615 616 if [ -z "${out}" ]; then 617 if [ "$VERBOSE" = "1" ]; then 618 printf "\nNo route entry found\n" 619 printf "Expected:\n" 620 printf " ${expected}\n" 621 fi 622 return 1 623 fi 624 625 # tricky way to convert output to 1-line without ip's 626 # messy '\'; this drops all extra white space 627 out=$(echo ${out}) 628 if [ "${out}" != "${expected}" ]; then 629 rc=1 630 if [ "${VERBOSE}" = "1" ]; then 631 printf " Unexpected route entry. Have:\n" 632 printf " ${out}\n" 633 printf " Expected:\n" 634 printf " ${expected}\n\n" 635 fi 636 fi 637 638 return $rc 639} 640 641# add route for a prefix, flushing any existing routes first 642# expected to be the first step of a test 643add_route6() 644{ 645 local pfx="$1" 646 local nh="$2" 647 local out 648 649 if [ "$VERBOSE" = "1" ]; then 650 echo 651 echo " ##################################################" 652 echo 653 fi 654 655 run_cmd "$IP -6 ro flush ${pfx}" 656 [ $? -ne 0 ] && exit 1 657 658 out=$($IP -6 ro ls match ${pfx}) 659 if [ -n "$out" ]; then 660 echo "Failed to flush routes for prefix used for tests." 661 exit 1 662 fi 663 664 run_cmd "$IP -6 ro add ${pfx} ${nh}" 665 if [ $? -ne 0 ]; then 666 echo "Failed to add initial route for test." 667 exit 1 668 fi 669} 670 671# add initial route - used in replace route tests 672add_initial_route6() 673{ 674 add_route6 "2001:db8:104::/64" "$1" 675} 676 677check_route6() 678{ 679 local pfx 680 local expected="$1" 681 local out 682 local rc=0 683 684 set -- $expected 685 pfx=$1 686 687 out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//') 688 check_expected "${out}" "${expected}" 689} 690 691route_cleanup() 692{ 693 $IP li del red 2>/dev/null 694 $IP li del dummy1 2>/dev/null 695 $IP li del veth1 2>/dev/null 696 $IP li del veth3 2>/dev/null 697 698 cleanup &> /dev/null 699} 700 701route_setup() 702{ 703 route_cleanup 704 setup 705 706 [ "${VERBOSE}" = "1" ] && set -x 707 set -e 708 709 ip netns add ns2 710 ip -netns ns2 link set dev lo up 711 ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1 712 ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1 713 714 $IP li add veth1 type veth peer name veth2 715 $IP li add veth3 type veth peer name veth4 716 717 $IP li set veth1 up 718 $IP li set veth3 up 719 $IP li set veth2 netns ns2 up 720 $IP li set veth4 netns ns2 up 721 ip -netns ns2 li add dummy1 type dummy 722 ip -netns ns2 li set dummy1 up 723 724 $IP -6 addr add 2001:db8:101::1/64 dev veth1 nodad 725 $IP -6 addr add 2001:db8:103::1/64 dev veth3 nodad 726 $IP addr add 172.16.101.1/24 dev veth1 727 $IP addr add 172.16.103.1/24 dev veth3 728 729 ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad 730 ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad 731 ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad 732 733 ip -netns ns2 addr add 172.16.101.2/24 dev veth2 734 ip -netns ns2 addr add 172.16.103.2/24 dev veth4 735 ip -netns ns2 addr add 172.16.104.1/24 dev dummy1 736 737 set +e 738} 739 740# assumption is that basic add of a single path route works 741# otherwise just adding an address on an interface is broken 742ipv6_rt_add() 743{ 744 local rc 745 746 echo 747 echo "IPv6 route add / append tests" 748 749 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 750 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 751 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2" 752 log_test $? 2 "Attempt to add duplicate route - gw" 753 754 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 755 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 756 run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3" 757 log_test $? 2 "Attempt to add duplicate route - dev only" 758 759 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 760 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 761 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64" 762 log_test $? 2 "Attempt to add duplicate route - reject route" 763 764 # route append with same prefix adds a new route 765 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND 766 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 767 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2" 768 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 769 log_test $? 0 "Append nexthop to existing route - gw" 770 771 # insert mpath directly 772 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 773 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 774 log_test $? 0 "Add multipath route" 775 776 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 777 run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 778 log_test $? 2 "Attempt to add duplicate multipath route" 779 780 # insert of a second route without append but different metric 781 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 782 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512" 783 rc=$? 784 if [ $rc -eq 0 ]; then 785 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256" 786 rc=$? 787 fi 788 log_test $rc 0 "Route add with different metrics" 789 790 run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512" 791 rc=$? 792 if [ $rc -eq 0 ]; then 793 check_route6 "2001:db8:104::/64 via 2001:db8:103::3 dev veth3 metric 256 2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024" 794 rc=$? 795 fi 796 log_test $rc 0 "Route delete with metric" 797} 798 799ipv6_rt_replace_single() 800{ 801 # single path with single path 802 # 803 add_initial_route6 "via 2001:db8:101::2" 804 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2" 805 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024" 806 log_test $? 0 "Single path with single path" 807 808 # single path with multipath 809 # 810 add_initial_route6 "nexthop via 2001:db8:101::2" 811 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2" 812 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 813 log_test $? 0 "Single path with multipath" 814 815 # single path with single path using MULTIPATH attribute 816 # 817 add_initial_route6 "via 2001:db8:101::2" 818 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2" 819 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024" 820 log_test $? 0 "Single path with single path via multipath attribute" 821 822 # route replace fails - invalid nexthop 823 add_initial_route6 "via 2001:db8:101::2" 824 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2" 825 if [ $? -eq 0 ]; then 826 # previous command is expected to fail so if it returns 0 827 # that means the test failed. 828 log_test 0 1 "Invalid nexthop" 829 else 830 check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024" 831 log_test $? 0 "Invalid nexthop" 832 fi 833 834 # replace non-existent route 835 # - note use of change versus replace since ip adds NLM_F_CREATE 836 # for replace 837 add_initial_route6 "via 2001:db8:101::2" 838 run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2" 839 log_test $? 2 "Single path - replace of non-existent route" 840} 841 842ipv6_rt_replace_mpath() 843{ 844 # multipath with multipath 845 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 846 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3" 847 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::3 dev veth3 weight 1" 848 log_test $? 0 "Multipath with multipath" 849 850 # multipath with single 851 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 852 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3" 853 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024" 854 log_test $? 0 "Multipath with single path" 855 856 # multipath with single 857 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 858 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3" 859 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024" 860 log_test $? 0 "Multipath with single path via multipath attribute" 861 862 # route replace fails - invalid nexthop 1 863 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 864 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3" 865 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 866 log_test $? 0 "Multipath - invalid first nexthop" 867 868 # route replace fails - invalid nexthop 2 869 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 870 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3" 871 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 872 log_test $? 0 "Multipath - invalid second nexthop" 873 874 # multipath non-existent route 875 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 876 run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3" 877 log_test $? 2 "Multipath - replace of non-existent route" 878} 879 880ipv6_rt_replace() 881{ 882 echo 883 echo "IPv6 route replace tests" 884 885 ipv6_rt_replace_single 886 ipv6_rt_replace_mpath 887} 888 889ipv6_route_test() 890{ 891 route_setup 892 893 ipv6_rt_add 894 ipv6_rt_replace 895 896 route_cleanup 897} 898 899ip_addr_metric_check() 900{ 901 ip addr help 2>&1 | grep -q metric 902 if [ $? -ne 0 ]; then 903 echo "iproute2 command does not support metric for addresses. Skipping test" 904 return 1 905 fi 906 907 return 0 908} 909 910ipv6_addr_metric_test() 911{ 912 local rc 913 914 echo 915 echo "IPv6 prefix route tests" 916 917 ip_addr_metric_check || return 1 918 919 setup 920 921 set -e 922 $IP li add dummy1 type dummy 923 $IP li add dummy2 type dummy 924 $IP li set dummy1 up 925 $IP li set dummy2 up 926 927 # default entry is metric 256 928 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64" 929 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64" 930 set +e 931 932 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256" 933 log_test $? 0 "Default metric" 934 935 set -e 936 run_cmd "$IP -6 addr flush dev dummy1" 937 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257" 938 set +e 939 940 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257" 941 log_test $? 0 "User specified metric on first device" 942 943 set -e 944 run_cmd "$IP -6 addr flush dev dummy2" 945 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258" 946 set +e 947 948 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258" 949 log_test $? 0 "User specified metric on second device" 950 951 run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257" 952 rc=$? 953 if [ $rc -eq 0 ]; then 954 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258" 955 rc=$? 956 fi 957 log_test $rc 0 "Delete of address on first device" 958 959 run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259" 960 rc=$? 961 if [ $rc -eq 0 ]; then 962 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259" 963 rc=$? 964 fi 965 log_test $rc 0 "Modify metric of address" 966 967 # verify prefix route removed on down 968 run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1" 969 run_cmd "$IP li set dev dummy2 down" 970 rc=$? 971 if [ $rc -eq 0 ]; then 972 out=$($IP -6 ro ls match 2001:db8:104::/64) 973 check_expected "${out}" "" 974 rc=$? 975 fi 976 log_test $rc 0 "Prefix route removed on link down" 977 978 # verify prefix route re-inserted with assigned metric 979 run_cmd "$IP li set dev dummy2 up" 980 rc=$? 981 if [ $rc -eq 0 ]; then 982 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259" 983 rc=$? 984 fi 985 log_test $rc 0 "Prefix route with metric on link up" 986 987 $IP li del dummy1 988 $IP li del dummy2 989 cleanup 990} 991 992ipv6_route_metrics_test() 993{ 994 local rc 995 996 echo 997 echo "IPv6 routes with metrics" 998 999 route_setup 1000 1001 # 1002 # single path with metrics 1003 # 1004 run_cmd "$IP -6 ro add 2001:db8:111::/64 via 2001:db8:101::2 mtu 1400" 1005 rc=$? 1006 if [ $rc -eq 0 ]; then 1007 check_route6 "2001:db8:111::/64 via 2001:db8:101::2 dev veth1 metric 1024 mtu 1400" 1008 rc=$? 1009 fi 1010 log_test $rc 0 "Single path route with mtu metric" 1011 1012 1013 # 1014 # multipath via separate routes with metrics 1015 # 1016 run_cmd "$IP -6 ro add 2001:db8:112::/64 via 2001:db8:101::2 mtu 1400" 1017 run_cmd "$IP -6 ro append 2001:db8:112::/64 via 2001:db8:103::2" 1018 rc=$? 1019 if [ $rc -eq 0 ]; then 1020 check_route6 "2001:db8:112::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1021 rc=$? 1022 fi 1023 log_test $rc 0 "Multipath route via 2 single routes with mtu metric on first" 1024 1025 # second route is coalesced to first to make a multipath route. 1026 # MTU of the second path is hidden from display! 1027 run_cmd "$IP -6 ro add 2001:db8:113::/64 via 2001:db8:101::2" 1028 run_cmd "$IP -6 ro append 2001:db8:113::/64 via 2001:db8:103::2 mtu 1400" 1029 rc=$? 1030 if [ $rc -eq 0 ]; then 1031 check_route6 "2001:db8:113::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1032 rc=$? 1033 fi 1034 log_test $rc 0 "Multipath route via 2 single routes with mtu metric on 2nd" 1035 1036 run_cmd "$IP -6 ro del 2001:db8:113::/64 via 2001:db8:101::2" 1037 if [ $? -eq 0 ]; then 1038 check_route6 "2001:db8:113::/64 via 2001:db8:103::2 dev veth3 metric 1024 mtu 1400" 1039 log_test $? 0 " MTU of second leg" 1040 fi 1041 1042 # 1043 # multipath with metrics 1044 # 1045 run_cmd "$IP -6 ro add 2001:db8:115::/64 mtu 1400 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 1046 rc=$? 1047 if [ $rc -eq 0 ]; then 1048 check_route6 "2001:db8:115::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1049 rc=$? 1050 fi 1051 log_test $rc 0 "Multipath route with mtu metric" 1052 1053 $IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300 1054 run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1" 1055 log_test $? 0 "Using route with mtu metric" 1056 1057 run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo" 1058 log_test $? 2 "Invalid metric (fails metric_convert)" 1059 1060 route_cleanup 1061} 1062 1063# add route for a prefix, flushing any existing routes first 1064# expected to be the first step of a test 1065add_route() 1066{ 1067 local pfx="$1" 1068 local nh="$2" 1069 local out 1070 1071 if [ "$VERBOSE" = "1" ]; then 1072 echo 1073 echo " ##################################################" 1074 echo 1075 fi 1076 1077 run_cmd "$IP ro flush ${pfx}" 1078 [ $? -ne 0 ] && exit 1 1079 1080 out=$($IP ro ls match ${pfx}) 1081 if [ -n "$out" ]; then 1082 echo "Failed to flush routes for prefix used for tests." 1083 exit 1 1084 fi 1085 1086 run_cmd "$IP ro add ${pfx} ${nh}" 1087 if [ $? -ne 0 ]; then 1088 echo "Failed to add initial route for test." 1089 exit 1 1090 fi 1091} 1092 1093# add initial route - used in replace route tests 1094add_initial_route() 1095{ 1096 add_route "172.16.104.0/24" "$1" 1097} 1098 1099check_route() 1100{ 1101 local pfx 1102 local expected="$1" 1103 local out 1104 1105 set -- $expected 1106 pfx=$1 1107 [ "${pfx}" = "unreachable" ] && pfx=$2 1108 1109 out=$($IP ro ls match ${pfx}) 1110 check_expected "${out}" "${expected}" 1111} 1112 1113# assumption is that basic add of a single path route works 1114# otherwise just adding an address on an interface is broken 1115ipv4_rt_add() 1116{ 1117 local rc 1118 1119 echo 1120 echo "IPv4 route add / append tests" 1121 1122 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1123 add_route "172.16.104.0/24" "via 172.16.101.2" 1124 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2" 1125 log_test $? 2 "Attempt to add duplicate route - gw" 1126 1127 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1128 add_route "172.16.104.0/24" "via 172.16.101.2" 1129 run_cmd "$IP ro add 172.16.104.0/24 dev veth3" 1130 log_test $? 2 "Attempt to add duplicate route - dev only" 1131 1132 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1133 add_route "172.16.104.0/24" "via 172.16.101.2" 1134 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1135 log_test $? 2 "Attempt to add duplicate route - reject route" 1136 1137 # iproute2 prepend only sets NLM_F_CREATE 1138 # - adds a new route; does NOT convert existing route to ECMP 1139 add_route "172.16.104.0/24" "via 172.16.101.2" 1140 run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2" 1141 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3 172.16.104.0/24 via 172.16.101.2 dev veth1" 1142 log_test $? 0 "Add new nexthop for existing prefix" 1143 1144 # route append with same prefix adds a new route 1145 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND 1146 add_route "172.16.104.0/24" "via 172.16.101.2" 1147 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2" 1148 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.2 dev veth3" 1149 log_test $? 0 "Append nexthop to existing route - gw" 1150 1151 add_route "172.16.104.0/24" "via 172.16.101.2" 1152 run_cmd "$IP ro append 172.16.104.0/24 dev veth3" 1153 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link" 1154 log_test $? 0 "Append nexthop to existing route - dev only" 1155 1156 add_route "172.16.104.0/24" "via 172.16.101.2" 1157 run_cmd "$IP ro append unreachable 172.16.104.0/24" 1158 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24" 1159 log_test $? 0 "Append nexthop to existing route - reject route" 1160 1161 run_cmd "$IP ro flush 172.16.104.0/24" 1162 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1163 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2" 1164 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3" 1165 log_test $? 0 "Append nexthop to existing reject route - gw" 1166 1167 run_cmd "$IP ro flush 172.16.104.0/24" 1168 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1169 run_cmd "$IP ro append 172.16.104.0/24 dev veth3" 1170 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link" 1171 log_test $? 0 "Append nexthop to existing reject route - dev only" 1172 1173 # insert mpath directly 1174 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1175 check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1176 log_test $? 0 "add multipath route" 1177 1178 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1179 run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1180 log_test $? 2 "Attempt to add duplicate multipath route" 1181 1182 # insert of a second route without append but different metric 1183 add_route "172.16.104.0/24" "via 172.16.101.2" 1184 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512" 1185 rc=$? 1186 if [ $rc -eq 0 ]; then 1187 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256" 1188 rc=$? 1189 fi 1190 log_test $rc 0 "Route add with different metrics" 1191 1192 run_cmd "$IP ro del 172.16.104.0/24 metric 512" 1193 rc=$? 1194 if [ $rc -eq 0 ]; then 1195 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.3 dev veth3 metric 256" 1196 rc=$? 1197 fi 1198 log_test $rc 0 "Route delete with metric" 1199} 1200 1201ipv4_rt_replace_single() 1202{ 1203 # single path with single path 1204 # 1205 add_initial_route "via 172.16.101.2" 1206 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2" 1207 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3" 1208 log_test $? 0 "Single path with single path" 1209 1210 # single path with multipath 1211 # 1212 add_initial_route "nexthop via 172.16.101.2" 1213 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2" 1214 check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1215 log_test $? 0 "Single path with multipath" 1216 1217 # single path with reject 1218 # 1219 add_initial_route "nexthop via 172.16.101.2" 1220 run_cmd "$IP ro replace unreachable 172.16.104.0/24" 1221 check_route "unreachable 172.16.104.0/24" 1222 log_test $? 0 "Single path with reject route" 1223 1224 # single path with single path using MULTIPATH attribute 1225 # 1226 add_initial_route "via 172.16.101.2" 1227 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2" 1228 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3" 1229 log_test $? 0 "Single path with single path via multipath attribute" 1230 1231 # route replace fails - invalid nexthop 1232 add_initial_route "via 172.16.101.2" 1233 run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2" 1234 if [ $? -eq 0 ]; then 1235 # previous command is expected to fail so if it returns 0 1236 # that means the test failed. 1237 log_test 0 1 "Invalid nexthop" 1238 else 1239 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1" 1240 log_test $? 0 "Invalid nexthop" 1241 fi 1242 1243 # replace non-existent route 1244 # - note use of change versus replace since ip adds NLM_F_CREATE 1245 # for replace 1246 add_initial_route "via 172.16.101.2" 1247 run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2" 1248 log_test $? 2 "Single path - replace of non-existent route" 1249} 1250 1251ipv4_rt_replace_mpath() 1252{ 1253 # multipath with multipath 1254 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1255 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3" 1256 check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.3 dev veth3 weight 1" 1257 log_test $? 0 "Multipath with multipath" 1258 1259 # multipath with single 1260 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1261 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3" 1262 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1" 1263 log_test $? 0 "Multipath with single path" 1264 1265 # multipath with single 1266 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1267 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3" 1268 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1" 1269 log_test $? 0 "Multipath with single path via multipath attribute" 1270 1271 # multipath with reject 1272 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1273 run_cmd "$IP ro replace unreachable 172.16.104.0/24" 1274 check_route "unreachable 172.16.104.0/24" 1275 log_test $? 0 "Multipath with reject route" 1276 1277 # route replace fails - invalid nexthop 1 1278 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1279 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3" 1280 check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1281 log_test $? 0 "Multipath - invalid first nexthop" 1282 1283 # route replace fails - invalid nexthop 2 1284 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1285 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3" 1286 check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1287 log_test $? 0 "Multipath - invalid second nexthop" 1288 1289 # multipath non-existent route 1290 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1291 run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3" 1292 log_test $? 2 "Multipath - replace of non-existent route" 1293} 1294 1295ipv4_rt_replace() 1296{ 1297 echo 1298 echo "IPv4 route replace tests" 1299 1300 ipv4_rt_replace_single 1301 ipv4_rt_replace_mpath 1302} 1303 1304ipv4_route_test() 1305{ 1306 route_setup 1307 1308 ipv4_rt_add 1309 ipv4_rt_replace 1310 1311 route_cleanup 1312} 1313 1314ipv4_addr_metric_test() 1315{ 1316 local rc 1317 1318 echo 1319 echo "IPv4 prefix route tests" 1320 1321 ip_addr_metric_check || return 1 1322 1323 setup 1324 1325 set -e 1326 $IP li add dummy1 type dummy 1327 $IP li add dummy2 type dummy 1328 $IP li set dummy1 up 1329 $IP li set dummy2 up 1330 1331 # default entry is metric 256 1332 run_cmd "$IP addr add dev dummy1 172.16.104.1/24" 1333 run_cmd "$IP addr add dev dummy2 172.16.104.2/24" 1334 set +e 1335 1336 check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2" 1337 log_test $? 0 "Default metric" 1338 1339 set -e 1340 run_cmd "$IP addr flush dev dummy1" 1341 run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257" 1342 set +e 1343 1344 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257" 1345 log_test $? 0 "User specified metric on first device" 1346 1347 set -e 1348 run_cmd "$IP addr flush dev dummy2" 1349 run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258" 1350 set +e 1351 1352 check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258" 1353 log_test $? 0 "User specified metric on second device" 1354 1355 run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257" 1356 rc=$? 1357 if [ $rc -eq 0 ]; then 1358 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258" 1359 rc=$? 1360 fi 1361 log_test $rc 0 "Delete of address on first device" 1362 1363 run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259" 1364 rc=$? 1365 if [ $rc -eq 0 ]; then 1366 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259" 1367 rc=$? 1368 fi 1369 log_test $rc 0 "Modify metric of address" 1370 1371 # verify prefix route removed on down 1372 run_cmd "$IP li set dev dummy2 down" 1373 rc=$? 1374 if [ $rc -eq 0 ]; then 1375 out=$($IP ro ls match 172.16.104.0/24) 1376 check_expected "${out}" "" 1377 rc=$? 1378 fi 1379 log_test $rc 0 "Prefix route removed on link down" 1380 1381 # verify prefix route re-inserted with assigned metric 1382 run_cmd "$IP li set dev dummy2 up" 1383 rc=$? 1384 if [ $rc -eq 0 ]; then 1385 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259" 1386 rc=$? 1387 fi 1388 log_test $rc 0 "Prefix route with metric on link up" 1389 1390 $IP li del dummy1 1391 $IP li del dummy2 1392 cleanup 1393} 1394 1395ipv4_route_metrics_test() 1396{ 1397 local rc 1398 1399 echo 1400 echo "IPv4 route add / append tests" 1401 1402 route_setup 1403 1404 run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 mtu 1400" 1405 rc=$? 1406 if [ $rc -eq 0 ]; then 1407 check_route "172.16.111.0/24 via 172.16.101.2 dev veth1 mtu 1400" 1408 rc=$? 1409 fi 1410 log_test $rc 0 "Single path route with mtu metric" 1411 1412 1413 run_cmd "$IP ro add 172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1414 rc=$? 1415 if [ $rc -eq 0 ]; then 1416 check_route "172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1417 rc=$? 1418 fi 1419 log_test $rc 0 "Multipath route with mtu metric" 1420 1421 $IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300 1422 run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1" 1423 log_test $? 0 "Using route with mtu metric" 1424 1425 run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 congctl lock foo" 1426 log_test $? 2 "Invalid metric (fails metric_convert)" 1427 1428 route_cleanup 1429} 1430 1431 1432################################################################################ 1433# usage 1434 1435usage() 1436{ 1437 cat <<EOF 1438usage: ${0##*/} OPTS 1439 1440 -t <test> Test(s) to run (default: all) 1441 (options: $TESTS) 1442 -p Pause on fail 1443 -P Pause after each test before cleanup 1444 -v verbose mode (show commands and output) 1445EOF 1446} 1447 1448################################################################################ 1449# main 1450 1451while getopts :t:pPhv o 1452do 1453 case $o in 1454 t) TESTS=$OPTARG;; 1455 p) PAUSE_ON_FAIL=yes;; 1456 P) PAUSE=yes;; 1457 v) VERBOSE=$(($VERBOSE + 1));; 1458 h) usage; exit 0;; 1459 *) usage; exit 1;; 1460 esac 1461done 1462 1463PEER_CMD="ip netns exec ${PEER_NS}" 1464 1465# make sure we don't pause twice 1466[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no 1467 1468if [ "$(id -u)" -ne 0 ];then 1469 echo "SKIP: Need root privileges" 1470 exit $ksft_skip; 1471fi 1472 1473if [ ! -x "$(command -v ip)" ]; then 1474 echo "SKIP: Could not run test without ip tool" 1475 exit $ksft_skip 1476fi 1477 1478ip route help 2>&1 | grep -q fibmatch 1479if [ $? -ne 0 ]; then 1480 echo "SKIP: iproute2 too old, missing fibmatch" 1481 exit $ksft_skip 1482fi 1483 1484# start clean 1485cleanup &> /dev/null 1486 1487for t in $TESTS 1488do 1489 case $t in 1490 fib_unreg_test|unregister) fib_unreg_test;; 1491 fib_down_test|down) fib_down_test;; 1492 fib_carrier_test|carrier) fib_carrier_test;; 1493 fib_nexthop_test|nexthop) fib_nexthop_test;; 1494 ipv6_route_test|ipv6_rt) ipv6_route_test;; 1495 ipv4_route_test|ipv4_rt) ipv4_route_test;; 1496 ipv6_addr_metric) ipv6_addr_metric_test;; 1497 ipv4_addr_metric) ipv4_addr_metric_test;; 1498 ipv6_route_metrics) ipv6_route_metrics_test;; 1499 ipv4_route_metrics) ipv4_route_metrics_test;; 1500 1501 help) echo "Test names: $TESTS"; exit 0;; 1502 esac 1503done 1504 1505if [ "$TESTS" != "none" ]; then 1506 printf "\nTests passed: %3d\n" ${nsuccess} 1507 printf "Tests failed: %3d\n" ${nfail} 1508fi 1509 1510exit $ret 1511