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} 607 608# add route for a prefix, flushing any existing routes first 609# expected to be the first step of a test 610add_route6() 611{ 612 local pfx="$1" 613 local nh="$2" 614 local out 615 616 if [ "$VERBOSE" = "1" ]; then 617 echo 618 echo " ##################################################" 619 echo 620 fi 621 622 run_cmd "$IP -6 ro flush ${pfx}" 623 [ $? -ne 0 ] && exit 1 624 625 out=$($IP -6 ro ls match ${pfx}) 626 if [ -n "$out" ]; then 627 echo "Failed to flush routes for prefix used for tests." 628 exit 1 629 fi 630 631 run_cmd "$IP -6 ro add ${pfx} ${nh}" 632 if [ $? -ne 0 ]; then 633 echo "Failed to add initial route for test." 634 exit 1 635 fi 636} 637 638# add initial route - used in replace route tests 639add_initial_route6() 640{ 641 add_route6 "2001:db8:104::/64" "$1" 642} 643 644check_route6() 645{ 646 local pfx 647 local expected="$1" 648 local out 649 local rc=0 650 651 set -- $expected 652 pfx=$1 653 654 out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//') 655 [ "${out}" = "${expected}" ] && return 0 656 657 if [ -z "${out}" ]; then 658 if [ "$VERBOSE" = "1" ]; then 659 printf "\nNo route entry found\n" 660 printf "Expected:\n" 661 printf " ${expected}\n" 662 fi 663 return 1 664 fi 665 666 # tricky way to convert output to 1-line without ip's 667 # messy '\'; this drops all extra white space 668 out=$(echo ${out}) 669 if [ "${out}" != "${expected}" ]; then 670 rc=1 671 if [ "${VERBOSE}" = "1" ]; then 672 printf " Unexpected route entry. Have:\n" 673 printf " ${out}\n" 674 printf " Expected:\n" 675 printf " ${expected}\n\n" 676 fi 677 fi 678 679 return $rc 680} 681 682route_cleanup() 683{ 684 $IP li del red 2>/dev/null 685 $IP li del dummy1 2>/dev/null 686 $IP li del veth1 2>/dev/null 687 $IP li del veth3 2>/dev/null 688 689 cleanup &> /dev/null 690} 691 692route_setup() 693{ 694 route_cleanup 695 setup 696 697 [ "${VERBOSE}" = "1" ] && set -x 698 set -e 699 700 ip netns add ns2 701 ip -netns ns2 link set dev lo up 702 ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1 703 ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1 704 705 $IP li add veth1 type veth peer name veth2 706 $IP li add veth3 type veth peer name veth4 707 708 $IP li set veth1 up 709 $IP li set veth3 up 710 $IP li set veth2 netns ns2 up 711 $IP li set veth4 netns ns2 up 712 ip -netns ns2 li add dummy1 type dummy 713 ip -netns ns2 li set dummy1 up 714 715 $IP -6 addr add 2001:db8:101::1/64 dev veth1 nodad 716 $IP -6 addr add 2001:db8:103::1/64 dev veth3 nodad 717 $IP addr add 172.16.101.1/24 dev veth1 718 $IP addr add 172.16.103.1/24 dev veth3 719 720 ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad 721 ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad 722 ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad 723 724 ip -netns ns2 addr add 172.16.101.2/24 dev veth2 725 ip -netns ns2 addr add 172.16.103.2/24 dev veth4 726 ip -netns ns2 addr add 172.16.104.1/24 dev dummy1 727 728 set +ex 729} 730 731# assumption is that basic add of a single path route works 732# otherwise just adding an address on an interface is broken 733ipv6_rt_add() 734{ 735 local rc 736 737 echo 738 echo "IPv6 route add / append tests" 739 740 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 741 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 742 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2" 743 log_test $? 2 "Attempt to add duplicate route - gw" 744 745 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 746 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 747 run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3" 748 log_test $? 2 "Attempt to add duplicate route - dev only" 749 750 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 751 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 752 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64" 753 log_test $? 2 "Attempt to add duplicate route - reject route" 754 755 # route append with same prefix adds a new route 756 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND 757 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 758 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2" 759 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" 760 log_test $? 0 "Append nexthop to existing route - gw" 761 762 # insert mpath directly 763 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 764 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" 765 log_test $? 0 "Add multipath route" 766 767 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 768 run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 769 log_test $? 2 "Attempt to add duplicate multipath route" 770 771 # insert of a second route without append but different metric 772 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" 773 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512" 774 rc=$? 775 if [ $rc -eq 0 ]; then 776 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256" 777 rc=$? 778 fi 779 log_test $rc 0 "Route add with different metrics" 780 781 run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512" 782 rc=$? 783 if [ $rc -eq 0 ]; then 784 check_route6 "2001:db8:104::/64 via 2001:db8:103::3 dev veth3 metric 256 2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024" 785 rc=$? 786 fi 787 log_test $rc 0 "Route delete with metric" 788} 789 790ipv6_rt_replace_single() 791{ 792 # single path with single path 793 # 794 add_initial_route6 "via 2001:db8:101::2" 795 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2" 796 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024" 797 log_test $? 0 "Single path with single path" 798 799 # single path with multipath 800 # 801 add_initial_route6 "nexthop via 2001:db8:101::2" 802 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2" 803 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" 804 log_test $? 0 "Single path with multipath" 805 806 # single path with single path using MULTIPATH attribute 807 # 808 add_initial_route6 "via 2001:db8:101::2" 809 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2" 810 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024" 811 log_test $? 0 "Single path with single path via multipath attribute" 812 813 # route replace fails - invalid nexthop 814 add_initial_route6 "via 2001:db8:101::2" 815 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2" 816 if [ $? -eq 0 ]; then 817 # previous command is expected to fail so if it returns 0 818 # that means the test failed. 819 log_test 0 1 "Invalid nexthop" 820 else 821 check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024" 822 log_test $? 0 "Invalid nexthop" 823 fi 824 825 # replace non-existent route 826 # - note use of change versus replace since ip adds NLM_F_CREATE 827 # for replace 828 add_initial_route6 "via 2001:db8:101::2" 829 run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2" 830 log_test $? 2 "Single path - replace of non-existent route" 831} 832 833ipv6_rt_replace_mpath() 834{ 835 # multipath with multipath 836 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 837 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3" 838 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" 839 log_test $? 0 "Multipath with multipath" 840 841 # multipath with single 842 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 843 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3" 844 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024" 845 log_test $? 0 "Multipath with single path" 846 847 # multipath with single 848 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 849 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3" 850 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024" 851 log_test $? 0 "Multipath with single path via multipath attribute" 852 853 # route replace fails - invalid nexthop 1 854 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 855 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3" 856 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" 857 log_test $? 0 "Multipath - invalid first nexthop" 858 859 # route replace fails - invalid nexthop 2 860 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 861 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3" 862 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" 863 log_test $? 0 "Multipath - invalid second nexthop" 864 865 # multipath non-existent route 866 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 867 run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3" 868 log_test $? 2 "Multipath - replace of non-existent route" 869} 870 871ipv6_rt_replace() 872{ 873 echo 874 echo "IPv6 route replace tests" 875 876 ipv6_rt_replace_single 877 ipv6_rt_replace_mpath 878} 879 880ipv6_route_test() 881{ 882 route_setup 883 884 ipv6_rt_add 885 ipv6_rt_replace 886 887 route_cleanup 888} 889 890ip_addr_metric_check() 891{ 892 ip addr help 2>&1 | grep -q metric 893 if [ $? -ne 0 ]; then 894 echo "iproute2 command does not support metric for addresses. Skipping test" 895 return 1 896 fi 897 898 return 0 899} 900 901ipv6_addr_metric_test() 902{ 903 local rc 904 905 echo 906 echo "IPv6 prefix route tests" 907 908 ip_addr_metric_check || return 1 909 910 setup 911 912 set -e 913 $IP li add dummy1 type dummy 914 $IP li add dummy2 type dummy 915 $IP li set dummy1 up 916 $IP li set dummy2 up 917 918 # default entry is metric 256 919 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64" 920 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64" 921 set +e 922 923 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256" 924 log_test $? 0 "Default metric" 925 926 set -e 927 run_cmd "$IP -6 addr flush dev dummy1" 928 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257" 929 set +e 930 931 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257" 932 log_test $? 0 "User specified metric on first device" 933 934 set -e 935 run_cmd "$IP -6 addr flush dev dummy2" 936 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258" 937 set +e 938 939 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258" 940 log_test $? 0 "User specified metric on second device" 941 942 run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257" 943 rc=$? 944 if [ $rc -eq 0 ]; then 945 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258" 946 rc=$? 947 fi 948 log_test $rc 0 "Delete of address on first device" 949 950 run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259" 951 rc=$? 952 if [ $rc -eq 0 ]; then 953 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259" 954 rc=$? 955 fi 956 log_test $rc 0 "Modify metric of address" 957 958 # verify prefix route removed on down 959 run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1" 960 run_cmd "$IP li set dev dummy2 down" 961 rc=$? 962 if [ $rc -eq 0 ]; then 963 check_route6 "" 964 rc=$? 965 fi 966 log_test $rc 0 "Prefix route removed on link down" 967 968 # verify prefix route re-inserted with assigned metric 969 run_cmd "$IP li set dev dummy2 up" 970 rc=$? 971 if [ $rc -eq 0 ]; then 972 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259" 973 rc=$? 974 fi 975 log_test $rc 0 "Prefix route with metric on link up" 976 977 $IP li del dummy1 978 $IP li del dummy2 979 cleanup 980} 981 982ipv6_route_metrics_test() 983{ 984 local rc 985 986 echo 987 echo "IPv6 routes with metrics" 988 989 route_setup 990 991 # 992 # single path with metrics 993 # 994 run_cmd "$IP -6 ro add 2001:db8:111::/64 via 2001:db8:101::2 mtu 1400" 995 rc=$? 996 if [ $rc -eq 0 ]; then 997 check_route6 "2001:db8:111::/64 via 2001:db8:101::2 dev veth1 metric 1024 mtu 1400" 998 rc=$? 999 fi 1000 log_test $rc 0 "Single path route with mtu metric" 1001 1002 1003 # 1004 # multipath via separate routes with metrics 1005 # 1006 run_cmd "$IP -6 ro add 2001:db8:112::/64 via 2001:db8:101::2 mtu 1400" 1007 run_cmd "$IP -6 ro append 2001:db8:112::/64 via 2001:db8:103::2" 1008 rc=$? 1009 if [ $rc -eq 0 ]; then 1010 check_route6 "2001:db8:112::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1011 rc=$? 1012 fi 1013 log_test $rc 0 "Multipath route via 2 single routes with mtu metric on first" 1014 1015 # second route is coalesced to first to make a multipath route. 1016 # MTU of the second path is hidden from display! 1017 run_cmd "$IP -6 ro add 2001:db8:113::/64 via 2001:db8:101::2" 1018 run_cmd "$IP -6 ro append 2001:db8:113::/64 via 2001:db8:103::2 mtu 1400" 1019 rc=$? 1020 if [ $rc -eq 0 ]; then 1021 check_route6 "2001:db8:113::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1022 rc=$? 1023 fi 1024 log_test $rc 0 "Multipath route via 2 single routes with mtu metric on 2nd" 1025 1026 run_cmd "$IP -6 ro del 2001:db8:113::/64 via 2001:db8:101::2" 1027 if [ $? -eq 0 ]; then 1028 check_route6 "2001:db8:113::/64 via 2001:db8:103::2 dev veth3 metric 1024 mtu 1400" 1029 log_test $? 0 " MTU of second leg" 1030 fi 1031 1032 # 1033 # multipath with metrics 1034 # 1035 run_cmd "$IP -6 ro add 2001:db8:115::/64 mtu 1400 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" 1036 rc=$? 1037 if [ $rc -eq 0 ]; then 1038 check_route6 "2001:db8:115::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" 1039 rc=$? 1040 fi 1041 log_test $rc 0 "Multipath route with mtu metric" 1042 1043 $IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300 1044 run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1" 1045 log_test $? 0 "Using route with mtu metric" 1046 1047 run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo" 1048 log_test $? 2 "Invalid metric (fails metric_convert)" 1049 1050 route_cleanup 1051} 1052 1053# add route for a prefix, flushing any existing routes first 1054# expected to be the first step of a test 1055add_route() 1056{ 1057 local pfx="$1" 1058 local nh="$2" 1059 local out 1060 1061 if [ "$VERBOSE" = "1" ]; then 1062 echo 1063 echo " ##################################################" 1064 echo 1065 fi 1066 1067 run_cmd "$IP ro flush ${pfx}" 1068 [ $? -ne 0 ] && exit 1 1069 1070 out=$($IP ro ls match ${pfx}) 1071 if [ -n "$out" ]; then 1072 echo "Failed to flush routes for prefix used for tests." 1073 exit 1 1074 fi 1075 1076 run_cmd "$IP ro add ${pfx} ${nh}" 1077 if [ $? -ne 0 ]; then 1078 echo "Failed to add initial route for test." 1079 exit 1 1080 fi 1081} 1082 1083# add initial route - used in replace route tests 1084add_initial_route() 1085{ 1086 add_route "172.16.104.0/24" "$1" 1087} 1088 1089check_route() 1090{ 1091 local pfx 1092 local expected="$1" 1093 local out 1094 local rc=0 1095 1096 set -- $expected 1097 pfx=$1 1098 [ "${pfx}" = "unreachable" ] && pfx=$2 1099 1100 out=$($IP ro ls match ${pfx}) 1101 [ "${out}" = "${expected}" ] && return 0 1102 1103 if [ -z "${out}" ]; then 1104 if [ "$VERBOSE" = "1" ]; then 1105 printf "\nNo route entry found\n" 1106 printf "Expected:\n" 1107 printf " ${expected}\n" 1108 fi 1109 return 1 1110 fi 1111 1112 # tricky way to convert output to 1-line without ip's 1113 # messy '\'; this drops all extra white space 1114 out=$(echo ${out}) 1115 if [ "${out}" != "${expected}" ]; then 1116 rc=1 1117 if [ "${VERBOSE}" = "1" ]; then 1118 printf " Unexpected route entry. Have:\n" 1119 printf " ${out}\n" 1120 printf " Expected:\n" 1121 printf " ${expected}\n\n" 1122 fi 1123 fi 1124 1125 return $rc 1126} 1127 1128# assumption is that basic add of a single path route works 1129# otherwise just adding an address on an interface is broken 1130ipv4_rt_add() 1131{ 1132 local rc 1133 1134 echo 1135 echo "IPv4 route add / append tests" 1136 1137 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1138 add_route "172.16.104.0/24" "via 172.16.101.2" 1139 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2" 1140 log_test $? 2 "Attempt to add duplicate route - gw" 1141 1142 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1143 add_route "172.16.104.0/24" "via 172.16.101.2" 1144 run_cmd "$IP ro add 172.16.104.0/24 dev veth3" 1145 log_test $? 2 "Attempt to add duplicate route - dev only" 1146 1147 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL 1148 add_route "172.16.104.0/24" "via 172.16.101.2" 1149 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1150 log_test $? 2 "Attempt to add duplicate route - reject route" 1151 1152 # iproute2 prepend only sets NLM_F_CREATE 1153 # - adds a new route; does NOT convert existing route to ECMP 1154 add_route "172.16.104.0/24" "via 172.16.101.2" 1155 run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2" 1156 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" 1157 log_test $? 0 "Add new nexthop for existing prefix" 1158 1159 # route append with same prefix adds a new route 1160 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND 1161 add_route "172.16.104.0/24" "via 172.16.101.2" 1162 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2" 1163 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" 1164 log_test $? 0 "Append nexthop to existing route - gw" 1165 1166 add_route "172.16.104.0/24" "via 172.16.101.2" 1167 run_cmd "$IP ro append 172.16.104.0/24 dev veth3" 1168 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link" 1169 log_test $? 0 "Append nexthop to existing route - dev only" 1170 1171 add_route "172.16.104.0/24" "via 172.16.101.2" 1172 run_cmd "$IP ro append unreachable 172.16.104.0/24" 1173 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24" 1174 log_test $? 0 "Append nexthop to existing route - reject route" 1175 1176 run_cmd "$IP ro flush 172.16.104.0/24" 1177 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1178 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2" 1179 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3" 1180 log_test $? 0 "Append nexthop to existing reject route - gw" 1181 1182 run_cmd "$IP ro flush 172.16.104.0/24" 1183 run_cmd "$IP ro add unreachable 172.16.104.0/24" 1184 run_cmd "$IP ro append 172.16.104.0/24 dev veth3" 1185 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link" 1186 log_test $? 0 "Append nexthop to existing reject route - dev only" 1187 1188 # insert mpath directly 1189 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1190 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" 1191 log_test $? 0 "add multipath route" 1192 1193 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1194 run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1195 log_test $? 2 "Attempt to add duplicate multipath route" 1196 1197 # insert of a second route without append but different metric 1198 add_route "172.16.104.0/24" "via 172.16.101.2" 1199 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512" 1200 rc=$? 1201 if [ $rc -eq 0 ]; then 1202 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256" 1203 rc=$? 1204 fi 1205 log_test $rc 0 "Route add with different metrics" 1206 1207 run_cmd "$IP ro del 172.16.104.0/24 metric 512" 1208 rc=$? 1209 if [ $rc -eq 0 ]; then 1210 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.3 dev veth3 metric 256" 1211 rc=$? 1212 fi 1213 log_test $rc 0 "Route delete with metric" 1214} 1215 1216ipv4_rt_replace_single() 1217{ 1218 # single path with single path 1219 # 1220 add_initial_route "via 172.16.101.2" 1221 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2" 1222 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3" 1223 log_test $? 0 "Single path with single path" 1224 1225 # single path with multipath 1226 # 1227 add_initial_route "nexthop via 172.16.101.2" 1228 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2" 1229 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" 1230 log_test $? 0 "Single path with multipath" 1231 1232 # single path with reject 1233 # 1234 add_initial_route "nexthop via 172.16.101.2" 1235 run_cmd "$IP ro replace unreachable 172.16.104.0/24" 1236 check_route "unreachable 172.16.104.0/24" 1237 log_test $? 0 "Single path with reject route" 1238 1239 # single path with single path using MULTIPATH attribute 1240 # 1241 add_initial_route "via 172.16.101.2" 1242 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2" 1243 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3" 1244 log_test $? 0 "Single path with single path via multipath attribute" 1245 1246 # route replace fails - invalid nexthop 1247 add_initial_route "via 172.16.101.2" 1248 run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2" 1249 if [ $? -eq 0 ]; then 1250 # previous command is expected to fail so if it returns 0 1251 # that means the test failed. 1252 log_test 0 1 "Invalid nexthop" 1253 else 1254 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1" 1255 log_test $? 0 "Invalid nexthop" 1256 fi 1257 1258 # replace non-existent route 1259 # - note use of change versus replace since ip adds NLM_F_CREATE 1260 # for replace 1261 add_initial_route "via 172.16.101.2" 1262 run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2" 1263 log_test $? 2 "Single path - replace of non-existent route" 1264} 1265 1266ipv4_rt_replace_mpath() 1267{ 1268 # multipath with multipath 1269 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1270 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3" 1271 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" 1272 log_test $? 0 "Multipath with multipath" 1273 1274 # multipath with single 1275 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1276 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3" 1277 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1" 1278 log_test $? 0 "Multipath with single path" 1279 1280 # multipath with single 1281 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1282 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3" 1283 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1" 1284 log_test $? 0 "Multipath with single path via multipath attribute" 1285 1286 # multipath with reject 1287 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1288 run_cmd "$IP ro replace unreachable 172.16.104.0/24" 1289 check_route "unreachable 172.16.104.0/24" 1290 log_test $? 0 "Multipath with reject route" 1291 1292 # route replace fails - invalid nexthop 1 1293 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1294 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3" 1295 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" 1296 log_test $? 0 "Multipath - invalid first nexthop" 1297 1298 # route replace fails - invalid nexthop 2 1299 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1300 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3" 1301 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" 1302 log_test $? 0 "Multipath - invalid second nexthop" 1303 1304 # multipath non-existent route 1305 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1306 run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3" 1307 log_test $? 2 "Multipath - replace of non-existent route" 1308} 1309 1310ipv4_rt_replace() 1311{ 1312 echo 1313 echo "IPv4 route replace tests" 1314 1315 ipv4_rt_replace_single 1316 ipv4_rt_replace_mpath 1317} 1318 1319ipv4_route_test() 1320{ 1321 route_setup 1322 1323 ipv4_rt_add 1324 ipv4_rt_replace 1325 1326 route_cleanup 1327} 1328 1329ipv4_addr_metric_test() 1330{ 1331 local rc 1332 1333 echo 1334 echo "IPv4 prefix route tests" 1335 1336 ip_addr_metric_check || return 1 1337 1338 setup 1339 1340 set -e 1341 $IP li add dummy1 type dummy 1342 $IP li add dummy2 type dummy 1343 $IP li set dummy1 up 1344 $IP li set dummy2 up 1345 1346 # default entry is metric 256 1347 run_cmd "$IP addr add dev dummy1 172.16.104.1/24" 1348 run_cmd "$IP addr add dev dummy2 172.16.104.2/24" 1349 set +e 1350 1351 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" 1352 log_test $? 0 "Default metric" 1353 1354 set -e 1355 run_cmd "$IP addr flush dev dummy1" 1356 run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257" 1357 set +e 1358 1359 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" 1360 log_test $? 0 "User specified metric on first device" 1361 1362 set -e 1363 run_cmd "$IP addr flush dev dummy2" 1364 run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258" 1365 set +e 1366 1367 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" 1368 log_test $? 0 "User specified metric on second device" 1369 1370 run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257" 1371 rc=$? 1372 if [ $rc -eq 0 ]; then 1373 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258" 1374 rc=$? 1375 fi 1376 log_test $rc 0 "Delete of address on first device" 1377 1378 run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259" 1379 rc=$? 1380 if [ $rc -eq 0 ]; then 1381 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259" 1382 rc=$? 1383 fi 1384 log_test $rc 0 "Modify metric of address" 1385 1386 # verify prefix route removed on down 1387 run_cmd "$IP li set dev dummy2 down" 1388 rc=$? 1389 if [ $rc -eq 0 ]; then 1390 check_route "" 1391 rc=$? 1392 fi 1393 log_test $rc 0 "Prefix route removed on link down" 1394 1395 # verify prefix route re-inserted with assigned metric 1396 run_cmd "$IP li set dev dummy2 up" 1397 rc=$? 1398 if [ $rc -eq 0 ]; then 1399 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259" 1400 rc=$? 1401 fi 1402 log_test $rc 0 "Prefix route with metric on link up" 1403 1404 $IP li del dummy1 1405 $IP li del dummy2 1406 cleanup 1407} 1408 1409ipv4_route_metrics_test() 1410{ 1411 local rc 1412 1413 echo 1414 echo "IPv4 route add / append tests" 1415 1416 route_setup 1417 1418 run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 mtu 1400" 1419 rc=$? 1420 if [ $rc -eq 0 ]; then 1421 check_route "172.16.111.0/24 via 172.16.101.2 dev veth1 mtu 1400" 1422 rc=$? 1423 fi 1424 log_test $rc 0 "Single path route with mtu metric" 1425 1426 1427 run_cmd "$IP ro add 172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 nexthop via 172.16.103.2" 1428 rc=$? 1429 if [ $rc -eq 0 ]; then 1430 check_route "172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1" 1431 rc=$? 1432 fi 1433 log_test $rc 0 "Multipath route with mtu metric" 1434 1435 $IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300 1436 run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1" 1437 log_test $? 0 "Using route with mtu metric" 1438 1439 run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 congctl lock foo" 1440 log_test $? 2 "Invalid metric (fails metric_convert)" 1441 1442 route_cleanup 1443} 1444 1445 1446################################################################################ 1447# usage 1448 1449usage() 1450{ 1451 cat <<EOF 1452usage: ${0##*/} OPTS 1453 1454 -t <test> Test(s) to run (default: all) 1455 (options: $TESTS) 1456 -p Pause on fail 1457 -P Pause after each test before cleanup 1458 -v verbose mode (show commands and output) 1459EOF 1460} 1461 1462################################################################################ 1463# main 1464 1465while getopts :t:pPhv o 1466do 1467 case $o in 1468 t) TESTS=$OPTARG;; 1469 p) PAUSE_ON_FAIL=yes;; 1470 P) PAUSE=yes;; 1471 v) VERBOSE=$(($VERBOSE + 1));; 1472 h) usage; exit 0;; 1473 *) usage; exit 1;; 1474 esac 1475done 1476 1477PEER_CMD="ip netns exec ${PEER_NS}" 1478 1479# make sure we don't pause twice 1480[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no 1481 1482if [ "$(id -u)" -ne 0 ];then 1483 echo "SKIP: Need root privileges" 1484 exit $ksft_skip; 1485fi 1486 1487if [ ! -x "$(command -v ip)" ]; then 1488 echo "SKIP: Could not run test without ip tool" 1489 exit $ksft_skip 1490fi 1491 1492ip route help 2>&1 | grep -q fibmatch 1493if [ $? -ne 0 ]; then 1494 echo "SKIP: iproute2 too old, missing fibmatch" 1495 exit $ksft_skip 1496fi 1497 1498# start clean 1499cleanup &> /dev/null 1500 1501for t in $TESTS 1502do 1503 case $t in 1504 fib_unreg_test|unregister) fib_unreg_test;; 1505 fib_down_test|down) fib_down_test;; 1506 fib_carrier_test|carrier) fib_carrier_test;; 1507 fib_nexthop_test|nexthop) fib_nexthop_test;; 1508 ipv6_route_test|ipv6_rt) ipv6_route_test;; 1509 ipv4_route_test|ipv4_rt) ipv4_route_test;; 1510 ipv6_addr_metric) ipv6_addr_metric_test;; 1511 ipv4_addr_metric) ipv4_addr_metric_test;; 1512 ipv6_route_metrics) ipv6_route_metrics_test;; 1513 ipv4_route_metrics) ipv4_route_metrics_test;; 1514 1515 help) echo "Test names: $TESTS"; exit 0;; 1516 esac 1517done 1518 1519if [ "$TESTS" != "none" ]; then 1520 printf "\nTests passed: %3d\n" ${nsuccess} 1521 printf "Tests failed: %3d\n" ${nfail} 1522fi 1523 1524exit $ret 1525