2 # SPDX-License-Identifier: GPL-2.0
4 # This test is for checking IPv4 and IPv6 FIB behavior in response to
9 TESTS="unregister down carrier nexthop ipv6_rt"
21 if [ ${rc} -eq ${expected} ]; then
22 printf " TEST: %-60s [ OK ]\n" "${msg}"
23 nsuccess=$((nsuccess+1))
27 printf " TEST: %-60s [FAIL]\n" "${msg}"
28 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
30 echo "hit enter to continue, 'q' to quit"
32 [ "$a" = "q" ] && exit 1
36 if [ "${PAUSE}" = "yes" ]; then
38 echo "hit enter to continue, 'q' to quit"
40 [ "$a" = "q" ] && exit 1
48 $IP link set dev lo up
50 $IP link add dummy0 type dummy
51 $IP link set dev dummy0 up
52 $IP address add 198.51.100.1/24 dev dummy0
53 $IP -6 address add 2001:db8:1::1/64 dev dummy0
60 $IP link del dev dummy0 &> /dev/null
69 addr=$($IP -6 -br addr show dev ${dev} | \
71 for (i = 3; i <= NF; ++i) {
79 [ -z "$addr" ] && return 1
86 fib_unreg_unicast_test()
89 echo "Single path route test"
94 $IP route get fibmatch 198.51.100.2 &> /dev/null
95 log_test $? 0 "IPv4 fibmatch"
96 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
97 log_test $? 0 "IPv6 fibmatch"
100 $IP link del dev dummy0
103 echo " Nexthop device deleted"
104 $IP route get fibmatch 198.51.100.2 &> /dev/null
105 log_test $? 2 "IPv4 fibmatch - no route"
106 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
107 log_test $? 2 "IPv6 fibmatch - no route"
112 fib_unreg_multipath_test()
116 echo "Multipath route test"
121 $IP link add dummy1 type dummy
122 $IP link set dev dummy1 up
123 $IP address add 192.0.2.1/24 dev dummy1
124 $IP -6 address add 2001:db8:2::1/64 dev dummy1
126 $IP route add 203.0.113.0/24 \
127 nexthop via 198.51.100.2 dev dummy0 \
128 nexthop via 192.0.2.2 dev dummy1
129 $IP -6 route add 2001:db8:3::/64 \
130 nexthop via 2001:db8:1::2 dev dummy0 \
131 nexthop via 2001:db8:2::2 dev dummy1
135 $IP route get fibmatch 203.0.113.1 &> /dev/null
136 log_test $? 0 "IPv4 fibmatch"
137 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
138 log_test $? 0 "IPv6 fibmatch"
141 $IP link del dev dummy0
144 echo " One nexthop device deleted"
145 $IP route get fibmatch 203.0.113.1 &> /dev/null
146 log_test $? 2 "IPv4 - multipath route removed on delete"
148 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
149 # In IPv6 we do not flush the entire multipath route.
150 log_test $? 0 "IPv6 - multipath down to single path"
153 $IP link del dev dummy1
156 echo " Second nexthop device deleted"
157 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
158 log_test $? 2 "IPv6 - no route"
165 fib_unreg_unicast_test
166 fib_unreg_multipath_test
169 fib_down_unicast_test()
172 echo "Single path, admin down"
177 $IP route get fibmatch 198.51.100.2 &> /dev/null
178 log_test $? 0 "IPv4 fibmatch"
179 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
180 log_test $? 0 "IPv6 fibmatch"
183 $IP link set dev dummy0 down
186 echo " Route deleted on down"
187 $IP route get fibmatch 198.51.100.2 &> /dev/null
188 log_test $? 2 "IPv4 fibmatch"
189 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
190 log_test $? 2 "IPv6 fibmatch"
195 fib_down_multipath_test_do()
200 $IP route get fibmatch 203.0.113.1 \
201 oif $down_dev &> /dev/null
202 log_test $? 2 "IPv4 fibmatch on down device"
203 $IP -6 route get fibmatch 2001:db8:3::1 \
204 oif $down_dev &> /dev/null
205 log_test $? 2 "IPv6 fibmatch on down device"
207 $IP route get fibmatch 203.0.113.1 \
208 oif $up_dev &> /dev/null
209 log_test $? 0 "IPv4 fibmatch on up device"
210 $IP -6 route get fibmatch 2001:db8:3::1 \
211 oif $up_dev &> /dev/null
212 log_test $? 0 "IPv6 fibmatch on up device"
214 $IP route get fibmatch 203.0.113.1 | \
215 grep $down_dev | grep -q "dead linkdown"
216 log_test $? 0 "IPv4 flags on down device"
217 $IP -6 route get fibmatch 2001:db8:3::1 | \
218 grep $down_dev | grep -q "dead linkdown"
219 log_test $? 0 "IPv6 flags on down device"
221 $IP route get fibmatch 203.0.113.1 | \
222 grep $up_dev | grep -q "dead linkdown"
223 log_test $? 1 "IPv4 flags on up device"
224 $IP -6 route get fibmatch 2001:db8:3::1 | \
225 grep $up_dev | grep -q "dead linkdown"
226 log_test $? 1 "IPv6 flags on up device"
229 fib_down_multipath_test()
232 echo "Admin down multipath"
237 $IP link add dummy1 type dummy
238 $IP link set dev dummy1 up
240 $IP address add 192.0.2.1/24 dev dummy1
241 $IP -6 address add 2001:db8:2::1/64 dev dummy1
243 $IP route add 203.0.113.0/24 \
244 nexthop via 198.51.100.2 dev dummy0 \
245 nexthop via 192.0.2.2 dev dummy1
246 $IP -6 route add 2001:db8:3::/64 \
247 nexthop via 2001:db8:1::2 dev dummy0 \
248 nexthop via 2001:db8:2::2 dev dummy1
251 echo " Verify start point"
252 $IP route get fibmatch 203.0.113.1 &> /dev/null
253 log_test $? 0 "IPv4 fibmatch"
255 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
256 log_test $? 0 "IPv6 fibmatch"
259 $IP link set dev dummy0 down
262 echo " One device down, one up"
263 fib_down_multipath_test_do "dummy0" "dummy1"
266 $IP link set dev dummy0 up
267 $IP link set dev dummy1 down
270 echo " Other device down and up"
271 fib_down_multipath_test_do "dummy1" "dummy0"
274 $IP link set dev dummy0 down
277 echo " Both devices down"
278 $IP route get fibmatch 203.0.113.1 &> /dev/null
279 log_test $? 2 "IPv4 fibmatch"
280 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
281 log_test $? 2 "IPv6 fibmatch"
283 $IP link del dev dummy1
289 fib_down_unicast_test
290 fib_down_multipath_test
293 # Local routes should not be affected when carrier changes.
294 fib_carrier_local_test()
297 echo "Local carrier tests - single path"
302 $IP link set dev dummy0 carrier on
306 $IP route get fibmatch 198.51.100.1 &> /dev/null
307 log_test $? 0 "IPv4 fibmatch"
308 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
309 log_test $? 0 "IPv6 fibmatch"
311 $IP route get fibmatch 198.51.100.1 | \
313 log_test $? 1 "IPv4 - no linkdown flag"
314 $IP -6 route get fibmatch 2001:db8:1::1 | \
316 log_test $? 1 "IPv6 - no linkdown flag"
319 $IP link set dev dummy0 carrier off
323 echo " Carrier off on nexthop"
324 $IP route get fibmatch 198.51.100.1 &> /dev/null
325 log_test $? 0 "IPv4 fibmatch"
326 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
327 log_test $? 0 "IPv6 fibmatch"
329 $IP route get fibmatch 198.51.100.1 | \
331 log_test $? 1 "IPv4 - linkdown flag set"
332 $IP -6 route get fibmatch 2001:db8:1::1 | \
334 log_test $? 1 "IPv6 - linkdown flag set"
337 $IP address add 192.0.2.1/24 dev dummy0
338 $IP -6 address add 2001:db8:2::1/64 dev dummy0
341 echo " Route to local address with carrier down"
342 $IP route get fibmatch 192.0.2.1 &> /dev/null
343 log_test $? 0 "IPv4 fibmatch"
344 $IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
345 log_test $? 0 "IPv6 fibmatch"
347 $IP route get fibmatch 192.0.2.1 | \
349 log_test $? 1 "IPv4 linkdown flag set"
350 $IP -6 route get fibmatch 2001:db8:2::1 | \
352 log_test $? 1 "IPv6 linkdown flag set"
357 fib_carrier_unicast_test()
362 echo "Single path route carrier test"
367 $IP link set dev dummy0 carrier on
371 $IP route get fibmatch 198.51.100.2 &> /dev/null
372 log_test $? 0 "IPv4 fibmatch"
373 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
374 log_test $? 0 "IPv6 fibmatch"
376 $IP route get fibmatch 198.51.100.2 | \
378 log_test $? 1 "IPv4 no linkdown flag"
379 $IP -6 route get fibmatch 2001:db8:1::2 | \
381 log_test $? 1 "IPv6 no linkdown flag"
384 $IP link set dev dummy0 carrier off
388 $IP route get fibmatch 198.51.100.2 &> /dev/null
389 log_test $? 0 "IPv4 fibmatch"
390 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
391 log_test $? 0 "IPv6 fibmatch"
393 $IP route get fibmatch 198.51.100.2 | \
395 log_test $? 0 "IPv4 linkdown flag set"
396 $IP -6 route get fibmatch 2001:db8:1::2 | \
398 log_test $? 0 "IPv6 linkdown flag set"
401 $IP address add 192.0.2.1/24 dev dummy0
402 $IP -6 address add 2001:db8:2::1/64 dev dummy0
405 echo " Second address added with carrier down"
406 $IP route get fibmatch 192.0.2.2 &> /dev/null
407 log_test $? 0 "IPv4 fibmatch"
408 $IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
409 log_test $? 0 "IPv6 fibmatch"
411 $IP route get fibmatch 192.0.2.2 | \
413 log_test $? 0 "IPv4 linkdown flag set"
414 $IP -6 route get fibmatch 2001:db8:2::2 | \
416 log_test $? 0 "IPv6 linkdown flag set"
423 fib_carrier_local_test
424 fib_carrier_unicast_test
427 ################################################################################
428 # Tests on nexthop spec
430 # run 'ip route add' with given spec
441 [ "$vrf" = "-" ] && vrf="default"
442 [ -n "$gw" ] && gw="via $gw"
443 [ -n "$dev" ] && dev="dev $dev"
445 cmd="$IP route add vrf $vrf $pfx $gw $dev"
446 if [ "$VERBOSE" = "1" ]; then
447 printf "\n COMMAND: $cmd\n"
450 out=$(eval $cmd 2>&1)
452 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
455 log_test $rc $erc "$desc"
461 echo "IPv4 nexthop tests"
463 echo "<<< write me >>>"
468 local lldummy=$(get_linklocal dummy0)
469 local llv1=$(get_linklocal dummy0)
471 if [ -z "$lldummy" ]; then
472 echo "Failed to get linklocal address for dummy0"
475 if [ -z "$llv1" ]; then
476 echo "Failed to get linklocal address for veth1"
481 echo "IPv6 nexthop tests"
483 add_rt "Directly connected nexthop, unicast address" 0 \
484 - 2001:db8:101::/64 2001:db8:1::2
485 add_rt "Directly connected nexthop, unicast address with device" 0 \
486 - 2001:db8:102::/64 2001:db8:1::2 "dummy0"
487 add_rt "Gateway is linklocal address" 0 \
488 - 2001:db8:103::1/64 $llv1 "veth0"
490 # fails because LL address requires a device
491 add_rt "Gateway is linklocal address, no device" 2 \
492 - 2001:db8:104::1/64 $llv1
494 # local address can not be a gateway
495 add_rt "Gateway can not be local unicast address" 2 \
496 - 2001:db8:105::/64 2001:db8:1::1
497 add_rt "Gateway can not be local unicast address, with device" 2 \
498 - 2001:db8:106::/64 2001:db8:1::1 "dummy0"
499 add_rt "Gateway can not be a local linklocal address" 2 \
500 - 2001:db8:107::1/64 $lldummy "dummy0"
503 add_rt "Gateway can be local address in a VRF" 0 \
504 - 2001:db8:108::/64 2001:db8:51::2
505 add_rt "Gateway can be local address in a VRF, with device" 0 \
506 - 2001:db8:109::/64 2001:db8:51::2 "veth0"
507 add_rt "Gateway can be local linklocal address in a VRF" 0 \
508 - 2001:db8:110::1/64 $llv1 "veth0"
510 add_rt "Redirect to VRF lookup" 0 \
511 - 2001:db8:111::/64 "" "red"
513 add_rt "VRF route, gateway can be local address in default VRF" 0 \
514 red 2001:db8:112::/64 2001:db8:51::1
516 # local address in same VRF fails
517 add_rt "VRF route, gateway can not be a local address" 2 \
518 red 2001:db8:113::1/64 2001:db8:2::1
519 add_rt "VRF route, gateway can not be a local addr with device" 2 \
520 red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
524 # dummy0 - 198.51.100.1/24 2001:db8:1::1/64
525 # veth0 - 192.0.2.1/24 2001:db8:51::1/64
528 # dummy1 - 192.168.2.1/24 2001:db8:2::1/64
529 # veth1 - 192.0.2.2/24 2001:db8:51::2/64
531 # [ dummy0 veth0 ]--[ veth1 dummy1 ]
539 $IP -4 rule add pref 32765 table local
540 $IP -4 rule del pref 0
541 $IP -6 rule add pref 32765 table local
542 $IP -6 rule del pref 0
544 $IP link add red type vrf table 1
546 $IP -4 route add vrf red unreachable default metric 4278198272
547 $IP -6 route add vrf red unreachable default metric 4278198272
549 $IP link add veth0 type veth peer name veth1
550 $IP link set dev veth0 up
551 $IP address add 192.0.2.1/24 dev veth0
552 $IP -6 address add 2001:db8:51::1/64 dev veth0
554 $IP link set dev veth1 vrf red up
555 $IP address add 192.0.2.2/24 dev veth1
556 $IP -6 address add 2001:db8:51::2/64 dev veth1
558 $IP link add dummy1 type dummy
559 $IP link set dev dummy1 vrf red up
560 $IP address add 192.168.2.1/24 dev dummy1
561 $IP -6 address add 2001:db8:2::1/64 dev dummy1
569 $IP link del dev dummy1
576 ################################################################################
577 # Tests on route add and replace
583 local stderr="2>/dev/null"
585 if [ "$VERBOSE" = "1" ]; then
586 printf " COMMAND: $cmd\n"
590 out=$(eval $cmd $stderr)
592 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
596 [ "$VERBOSE" = "1" ] && echo
601 # add route for a prefix, flushing any existing routes first
602 # expected to be the first step of a test
609 if [ "$VERBOSE" = "1" ]; then
611 echo " ##################################################"
615 run_cmd "$IP -6 ro flush ${pfx}"
616 [ $? -ne 0 ] && exit 1
618 out=$($IP -6 ro ls match ${pfx})
619 if [ -n "$out" ]; then
620 echo "Failed to flush routes for prefix used for tests."
624 run_cmd "$IP -6 ro add ${pfx} ${nh}"
625 if [ $? -ne 0 ]; then
626 echo "Failed to add initial route for test."
631 # add initial route - used in replace route tests
634 add_route6 "2001:db8:104::/64" "$1"
639 local pfx="2001:db8:104::/64"
644 out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
645 if [ -z "${out}" ]; then
646 if [ "$VERBOSE" = "1" ]; then
647 printf "\nNo route entry found\n"
649 printf " ${expected}\n"
654 # tricky way to convert output to 1-line without ip's
655 # messy '\'; this drops all extra white space
657 if [ "${out}" != "${expected}" ]; then
659 if [ "${VERBOSE}" = "1" ]; then
660 printf " Unexpected route entry. Have:\n"
662 printf " Expected:\n"
663 printf " ${expected}\n\n"
672 $IP li del red 2>/dev/null
673 $IP li del dummy1 2>/dev/null
674 $IP li del veth1 2>/dev/null
675 $IP li del veth3 2>/dev/null
685 [ "${VERBOSE}" = "1" ] && set -x
688 $IP li add red up type vrf table 101
689 $IP li add veth1 type veth peer name veth2
690 $IP li add veth3 type veth peer name veth4
694 $IP li set veth2 vrf red up
695 $IP li set veth4 vrf red up
696 $IP li add dummy1 type dummy
697 $IP li set dummy1 vrf red up
699 $IP -6 addr add 2001:db8:101::1/64 dev veth1
700 $IP -6 addr add 2001:db8:101::2/64 dev veth2
701 $IP -6 addr add 2001:db8:103::1/64 dev veth3
702 $IP -6 addr add 2001:db8:103::2/64 dev veth4
703 $IP -6 addr add 2001:db8:104::1/64 dev dummy1
708 # assumption is that basic add of a single path route works
709 # otherwise just adding an address on an interface is broken
715 echo "IPv6 route add / append tests"
717 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
718 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
719 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2"
720 log_test $? 2 "Attempt to add duplicate route - gw"
722 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
723 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
724 run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3"
725 log_test $? 2 "Attempt to add duplicate route - dev only"
727 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
728 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
729 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
730 log_test $? 2 "Attempt to add duplicate route - reject route"
732 # iproute2 prepend only sets NLM_F_CREATE
733 # - adds a new route; does NOT convert existing route to ECMP
734 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
735 run_cmd "$IP -6 ro prepend 2001:db8:104::/64 via 2001:db8:103::2"
736 check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024 2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
737 log_test $? 0 "Add new route for existing prefix (w/o NLM_F_EXCL)"
739 # route append with same prefix adds a new route
740 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
741 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
742 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
743 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"
744 log_test $? 0 "Append nexthop to existing route - gw"
746 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
747 run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
748 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop dev veth3 weight 1"
749 log_test $? 0 "Append nexthop to existing route - dev only"
751 # multipath route can not have a nexthop that is a reject route
752 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
753 run_cmd "$IP -6 ro append unreachable 2001:db8:104::/64"
754 log_test $? 2 "Append nexthop to existing route - reject route"
756 # reject route can not be converted to multipath route
757 run_cmd "$IP -6 ro flush 2001:db8:104::/64"
758 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
759 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
760 log_test $? 2 "Append nexthop to existing reject route - gw"
762 run_cmd "$IP -6 ro flush 2001:db8:104::/64"
763 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
764 run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
765 log_test $? 2 "Append nexthop to existing reject route - dev only"
767 # insert mpath directly
768 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
769 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"
770 log_test $? 0 "Add multipath route"
772 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
773 run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
774 log_test $? 2 "Attempt to add duplicate multipath route"
776 # insert of a second route without append but different metric
777 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
778 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512"
780 if [ $rc -eq 0 ]; then
781 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256"
784 log_test $rc 0 "Route add with different metrics"
786 run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512"
788 if [ $rc -eq 0 ]; then
789 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"
792 log_test $rc 0 "Route delete with metric"
795 ipv6_rt_replace_single()
797 # single path with single path
799 add_initial_route6 "via 2001:db8:101::2"
800 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2"
801 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
802 log_test $? 0 "Single path with single path"
804 # single path with multipath
806 add_initial_route6 "nexthop via 2001:db8:101::2"
807 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2"
808 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"
809 log_test $? 0 "Single path with multipath"
811 # single path with reject
813 add_initial_route6 "nexthop via 2001:db8:101::2"
814 run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
815 check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
816 log_test $? 0 "Single path with reject route"
818 # single path with single path using MULTIPATH attribute
820 add_initial_route6 "via 2001:db8:101::2"
821 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2"
822 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
823 log_test $? 0 "Single path with single path via multipath attribute"
825 # route replace fails - invalid nexthop
826 add_initial_route6 "via 2001:db8:101::2"
827 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2"
828 if [ $? -eq 0 ]; then
829 # previous command is expected to fail so if it returns 0
830 # that means the test failed.
831 log_test 0 1 "Invalid nexthop"
833 check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
834 log_test $? 0 "Invalid nexthop"
837 # replace non-existent route
838 # - note use of change versus replace since ip adds NLM_F_CREATE
840 add_initial_route6 "via 2001:db8:101::2"
841 run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2"
842 log_test $? 2 "Single path - replace of non-existent route"
845 ipv6_rt_replace_mpath()
847 # multipath with multipath
848 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
849 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
850 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"
851 log_test $? 0 "Multipath with multipath"
853 # multipath with single
854 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
855 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3"
856 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
857 log_test $? 0 "Multipath with single path"
859 # multipath with single
860 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
861 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3"
862 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
863 log_test $? 0 "Multipath with single path via multipath attribute"
865 # multipath with reject
866 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
867 run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
868 check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
869 log_test $? 0 "Multipath with reject route"
871 # route replace fails - invalid nexthop 1
872 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
873 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
874 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"
875 log_test $? 0 "Multipath - invalid first nexthop"
877 # route replace fails - invalid nexthop 2
878 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
879 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3"
880 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"
881 log_test $? 0 "Multipath - invalid second nexthop"
883 # multipath non-existent route
884 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
885 run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
886 log_test $? 2 "Multipath - replace of non-existent route"
892 echo "IPv6 route replace tests"
894 ipv6_rt_replace_single
895 ipv6_rt_replace_mpath
908 ################################################################################
916 -t <test> Test(s) to run (default: all)
919 -P Pause after each test before cleanup
920 -v verbose mode (show commands and output)
924 ################################################################################
927 while getopts :t:pPhv o
931 p) PAUSE_ON_FAIL=yes;;
933 v) VERBOSE=$(($VERBOSE + 1));;
939 PEER_CMD="ip netns exec ${PEER_NS}"
941 # make sure we don't pause twice
942 [ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
944 if [ "$(id -u)" -ne 0 ];then
945 echo "SKIP: Need root privileges"
949 if [ ! -x "$(command -v ip)" ]; then
950 echo "SKIP: Could not run test without ip tool"
954 ip route help 2>&1 | grep -q fibmatch
955 if [ $? -ne 0 ]; then
956 echo "SKIP: iproute2 too old, missing fibmatch"
966 fib_unreg_test|unregister) fib_unreg_test;;
967 fib_down_test|down) fib_down_test;;
968 fib_carrier_test|carrier) fib_carrier_test;;
969 fib_nexthop_test|nexthop) fib_nexthop_test;;
970 ipv6_route_test|ipv6_rt) ipv6_route_test;;
972 help) echo "Test names: $TESTS"; exit 0;;
976 if [ "$TESTS" != "none" ]; then
977 printf "\nTests passed: %3d\n" ${nsuccess}
978 printf "Tests failed: %3d\n" ${nfail}