2 # SPDX-License-Identifier: GPL-2.0
4 # This test is for checking IPv4 and IPv6 FIB behavior in response to
8 # Kselftest framework requirement - SKIP code is 4.
11 # all tests in this script. Can be overridden with -t option
12 TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric"
24 if [ ${rc} -eq ${expected} ]; then
25 printf " TEST: %-60s [ OK ]\n" "${msg}"
26 nsuccess=$((nsuccess+1))
30 printf " TEST: %-60s [FAIL]\n" "${msg}"
31 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
33 echo "hit enter to continue, 'q' to quit"
35 [ "$a" = "q" ] && exit 1
39 if [ "${PAUSE}" = "yes" ]; then
41 echo "hit enter to continue, 'q' to quit"
43 [ "$a" = "q" ] && exit 1
51 $IP link set dev lo up
53 $IP link add dummy0 type dummy
54 $IP link set dev dummy0 up
55 $IP address add 198.51.100.1/24 dev dummy0
56 $IP -6 address add 2001:db8:1::1/64 dev dummy0
63 $IP link del dev dummy0 &> /dev/null
72 addr=$($IP -6 -br addr show dev ${dev} | \
74 for (i = 3; i <= NF; ++i) {
82 [ -z "$addr" ] && return 1
89 fib_unreg_unicast_test()
92 echo "Single path route test"
97 $IP route get fibmatch 198.51.100.2 &> /dev/null
98 log_test $? 0 "IPv4 fibmatch"
99 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
100 log_test $? 0 "IPv6 fibmatch"
103 $IP link del dev dummy0
106 echo " Nexthop device deleted"
107 $IP route get fibmatch 198.51.100.2 &> /dev/null
108 log_test $? 2 "IPv4 fibmatch - no route"
109 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
110 log_test $? 2 "IPv6 fibmatch - no route"
115 fib_unreg_multipath_test()
119 echo "Multipath route test"
124 $IP link add dummy1 type dummy
125 $IP link set dev dummy1 up
126 $IP address add 192.0.2.1/24 dev dummy1
127 $IP -6 address add 2001:db8:2::1/64 dev dummy1
129 $IP route add 203.0.113.0/24 \
130 nexthop via 198.51.100.2 dev dummy0 \
131 nexthop via 192.0.2.2 dev dummy1
132 $IP -6 route add 2001:db8:3::/64 \
133 nexthop via 2001:db8:1::2 dev dummy0 \
134 nexthop via 2001:db8:2::2 dev dummy1
138 $IP route get fibmatch 203.0.113.1 &> /dev/null
139 log_test $? 0 "IPv4 fibmatch"
140 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
141 log_test $? 0 "IPv6 fibmatch"
144 $IP link del dev dummy0
147 echo " One nexthop device deleted"
148 $IP route get fibmatch 203.0.113.1 &> /dev/null
149 log_test $? 2 "IPv4 - multipath route removed on delete"
151 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
152 # In IPv6 we do not flush the entire multipath route.
153 log_test $? 0 "IPv6 - multipath down to single path"
156 $IP link del dev dummy1
159 echo " Second nexthop device deleted"
160 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
161 log_test $? 2 "IPv6 - no route"
168 fib_unreg_unicast_test
169 fib_unreg_multipath_test
172 fib_down_unicast_test()
175 echo "Single path, admin down"
180 $IP route get fibmatch 198.51.100.2 &> /dev/null
181 log_test $? 0 "IPv4 fibmatch"
182 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
183 log_test $? 0 "IPv6 fibmatch"
186 $IP link set dev dummy0 down
189 echo " Route deleted on down"
190 $IP route get fibmatch 198.51.100.2 &> /dev/null
191 log_test $? 2 "IPv4 fibmatch"
192 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
193 log_test $? 2 "IPv6 fibmatch"
198 fib_down_multipath_test_do()
203 $IP route get fibmatch 203.0.113.1 \
204 oif $down_dev &> /dev/null
205 log_test $? 2 "IPv4 fibmatch on down device"
206 $IP -6 route get fibmatch 2001:db8:3::1 \
207 oif $down_dev &> /dev/null
208 log_test $? 2 "IPv6 fibmatch on down device"
210 $IP route get fibmatch 203.0.113.1 \
211 oif $up_dev &> /dev/null
212 log_test $? 0 "IPv4 fibmatch on up device"
213 $IP -6 route get fibmatch 2001:db8:3::1 \
214 oif $up_dev &> /dev/null
215 log_test $? 0 "IPv6 fibmatch on up device"
217 $IP route get fibmatch 203.0.113.1 | \
218 grep $down_dev | grep -q "dead linkdown"
219 log_test $? 0 "IPv4 flags on down device"
220 $IP -6 route get fibmatch 2001:db8:3::1 | \
221 grep $down_dev | grep -q "dead linkdown"
222 log_test $? 0 "IPv6 flags on down device"
224 $IP route get fibmatch 203.0.113.1 | \
225 grep $up_dev | grep -q "dead linkdown"
226 log_test $? 1 "IPv4 flags on up device"
227 $IP -6 route get fibmatch 2001:db8:3::1 | \
228 grep $up_dev | grep -q "dead linkdown"
229 log_test $? 1 "IPv6 flags on up device"
232 fib_down_multipath_test()
235 echo "Admin down multipath"
240 $IP link add dummy1 type dummy
241 $IP link set dev dummy1 up
243 $IP address add 192.0.2.1/24 dev dummy1
244 $IP -6 address add 2001:db8:2::1/64 dev dummy1
246 $IP route add 203.0.113.0/24 \
247 nexthop via 198.51.100.2 dev dummy0 \
248 nexthop via 192.0.2.2 dev dummy1
249 $IP -6 route add 2001:db8:3::/64 \
250 nexthop via 2001:db8:1::2 dev dummy0 \
251 nexthop via 2001:db8:2::2 dev dummy1
254 echo " Verify start point"
255 $IP route get fibmatch 203.0.113.1 &> /dev/null
256 log_test $? 0 "IPv4 fibmatch"
258 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
259 log_test $? 0 "IPv6 fibmatch"
262 $IP link set dev dummy0 down
265 echo " One device down, one up"
266 fib_down_multipath_test_do "dummy0" "dummy1"
269 $IP link set dev dummy0 up
270 $IP link set dev dummy1 down
273 echo " Other device down and up"
274 fib_down_multipath_test_do "dummy1" "dummy0"
277 $IP link set dev dummy0 down
280 echo " Both devices down"
281 $IP route get fibmatch 203.0.113.1 &> /dev/null
282 log_test $? 2 "IPv4 fibmatch"
283 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
284 log_test $? 2 "IPv6 fibmatch"
286 $IP link del dev dummy1
292 fib_down_unicast_test
293 fib_down_multipath_test
296 # Local routes should not be affected when carrier changes.
297 fib_carrier_local_test()
300 echo "Local carrier tests - single path"
305 $IP link set dev dummy0 carrier on
309 $IP route get fibmatch 198.51.100.1 &> /dev/null
310 log_test $? 0 "IPv4 fibmatch"
311 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
312 log_test $? 0 "IPv6 fibmatch"
314 $IP route get fibmatch 198.51.100.1 | \
316 log_test $? 1 "IPv4 - no linkdown flag"
317 $IP -6 route get fibmatch 2001:db8:1::1 | \
319 log_test $? 1 "IPv6 - no linkdown flag"
322 $IP link set dev dummy0 carrier off
326 echo " Carrier off on nexthop"
327 $IP route get fibmatch 198.51.100.1 &> /dev/null
328 log_test $? 0 "IPv4 fibmatch"
329 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
330 log_test $? 0 "IPv6 fibmatch"
332 $IP route get fibmatch 198.51.100.1 | \
334 log_test $? 1 "IPv4 - linkdown flag set"
335 $IP -6 route get fibmatch 2001:db8:1::1 | \
337 log_test $? 1 "IPv6 - linkdown flag set"
340 $IP address add 192.0.2.1/24 dev dummy0
341 $IP -6 address add 2001:db8:2::1/64 dev dummy0
344 echo " Route to local address with carrier down"
345 $IP route get fibmatch 192.0.2.1 &> /dev/null
346 log_test $? 0 "IPv4 fibmatch"
347 $IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
348 log_test $? 0 "IPv6 fibmatch"
350 $IP route get fibmatch 192.0.2.1 | \
352 log_test $? 1 "IPv4 linkdown flag set"
353 $IP -6 route get fibmatch 2001:db8:2::1 | \
355 log_test $? 1 "IPv6 linkdown flag set"
360 fib_carrier_unicast_test()
365 echo "Single path route carrier test"
370 $IP link set dev dummy0 carrier on
374 $IP route get fibmatch 198.51.100.2 &> /dev/null
375 log_test $? 0 "IPv4 fibmatch"
376 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
377 log_test $? 0 "IPv6 fibmatch"
379 $IP route get fibmatch 198.51.100.2 | \
381 log_test $? 1 "IPv4 no linkdown flag"
382 $IP -6 route get fibmatch 2001:db8:1::2 | \
384 log_test $? 1 "IPv6 no linkdown flag"
387 $IP link set dev dummy0 carrier off
391 $IP route get fibmatch 198.51.100.2 &> /dev/null
392 log_test $? 0 "IPv4 fibmatch"
393 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
394 log_test $? 0 "IPv6 fibmatch"
396 $IP route get fibmatch 198.51.100.2 | \
398 log_test $? 0 "IPv4 linkdown flag set"
399 $IP -6 route get fibmatch 2001:db8:1::2 | \
401 log_test $? 0 "IPv6 linkdown flag set"
404 $IP address add 192.0.2.1/24 dev dummy0
405 $IP -6 address add 2001:db8:2::1/64 dev dummy0
408 echo " Second address added with carrier down"
409 $IP route get fibmatch 192.0.2.2 &> /dev/null
410 log_test $? 0 "IPv4 fibmatch"
411 $IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
412 log_test $? 0 "IPv6 fibmatch"
414 $IP route get fibmatch 192.0.2.2 | \
416 log_test $? 0 "IPv4 linkdown flag set"
417 $IP -6 route get fibmatch 2001:db8:2::2 | \
419 log_test $? 0 "IPv6 linkdown flag set"
426 fib_carrier_local_test
427 fib_carrier_unicast_test
430 ################################################################################
431 # Tests on nexthop spec
433 # run 'ip route add' with given spec
444 [ "$vrf" = "-" ] && vrf="default"
445 [ -n "$gw" ] && gw="via $gw"
446 [ -n "$dev" ] && dev="dev $dev"
448 cmd="$IP route add vrf $vrf $pfx $gw $dev"
449 if [ "$VERBOSE" = "1" ]; then
450 printf "\n COMMAND: $cmd\n"
453 out=$(eval $cmd 2>&1)
455 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
458 log_test $rc $erc "$desc"
464 echo "IPv4 nexthop tests"
466 echo "<<< write me >>>"
471 local lldummy=$(get_linklocal dummy0)
472 local llv1=$(get_linklocal dummy0)
474 if [ -z "$lldummy" ]; then
475 echo "Failed to get linklocal address for dummy0"
478 if [ -z "$llv1" ]; then
479 echo "Failed to get linklocal address for veth1"
484 echo "IPv6 nexthop tests"
486 add_rt "Directly connected nexthop, unicast address" 0 \
487 - 2001:db8:101::/64 2001:db8:1::2
488 add_rt "Directly connected nexthop, unicast address with device" 0 \
489 - 2001:db8:102::/64 2001:db8:1::2 "dummy0"
490 add_rt "Gateway is linklocal address" 0 \
491 - 2001:db8:103::1/64 $llv1 "veth0"
493 # fails because LL address requires a device
494 add_rt "Gateway is linklocal address, no device" 2 \
495 - 2001:db8:104::1/64 $llv1
497 # local address can not be a gateway
498 add_rt "Gateway can not be local unicast address" 2 \
499 - 2001:db8:105::/64 2001:db8:1::1
500 add_rt "Gateway can not be local unicast address, with device" 2 \
501 - 2001:db8:106::/64 2001:db8:1::1 "dummy0"
502 add_rt "Gateway can not be a local linklocal address" 2 \
503 - 2001:db8:107::1/64 $lldummy "dummy0"
506 add_rt "Gateway can be local address in a VRF" 0 \
507 - 2001:db8:108::/64 2001:db8:51::2
508 add_rt "Gateway can be local address in a VRF, with device" 0 \
509 - 2001:db8:109::/64 2001:db8:51::2 "veth0"
510 add_rt "Gateway can be local linklocal address in a VRF" 0 \
511 - 2001:db8:110::1/64 $llv1 "veth0"
513 add_rt "Redirect to VRF lookup" 0 \
514 - 2001:db8:111::/64 "" "red"
516 add_rt "VRF route, gateway can be local address in default VRF" 0 \
517 red 2001:db8:112::/64 2001:db8:51::1
519 # local address in same VRF fails
520 add_rt "VRF route, gateway can not be a local address" 2 \
521 red 2001:db8:113::1/64 2001:db8:2::1
522 add_rt "VRF route, gateway can not be a local addr with device" 2 \
523 red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
527 # dummy0 - 198.51.100.1/24 2001:db8:1::1/64
528 # veth0 - 192.0.2.1/24 2001:db8:51::1/64
531 # dummy1 - 192.168.2.1/24 2001:db8:2::1/64
532 # veth1 - 192.0.2.2/24 2001:db8:51::2/64
534 # [ dummy0 veth0 ]--[ veth1 dummy1 ]
542 $IP -4 rule add pref 32765 table local
543 $IP -4 rule del pref 0
544 $IP -6 rule add pref 32765 table local
545 $IP -6 rule del pref 0
547 $IP link add red type vrf table 1
549 $IP -4 route add vrf red unreachable default metric 4278198272
550 $IP -6 route add vrf red unreachable default metric 4278198272
552 $IP link add veth0 type veth peer name veth1
553 $IP link set dev veth0 up
554 $IP address add 192.0.2.1/24 dev veth0
555 $IP -6 address add 2001:db8:51::1/64 dev veth0
557 $IP link set dev veth1 vrf red up
558 $IP address add 192.0.2.2/24 dev veth1
559 $IP -6 address add 2001:db8:51::2/64 dev veth1
561 $IP link add dummy1 type dummy
562 $IP link set dev dummy1 vrf red up
563 $IP address add 192.168.2.1/24 dev dummy1
564 $IP -6 address add 2001:db8:2::1/64 dev dummy1
572 $IP link del dev dummy1
579 ################################################################################
580 # Tests on route add and replace
586 local stderr="2>/dev/null"
588 if [ "$VERBOSE" = "1" ]; then
589 printf " COMMAND: $cmd\n"
593 out=$(eval $cmd $stderr)
595 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
599 [ "$VERBOSE" = "1" ] && echo
604 # add route for a prefix, flushing any existing routes first
605 # expected to be the first step of a test
612 if [ "$VERBOSE" = "1" ]; then
614 echo " ##################################################"
618 run_cmd "$IP -6 ro flush ${pfx}"
619 [ $? -ne 0 ] && exit 1
621 out=$($IP -6 ro ls match ${pfx})
622 if [ -n "$out" ]; then
623 echo "Failed to flush routes for prefix used for tests."
627 run_cmd "$IP -6 ro add ${pfx} ${nh}"
628 if [ $? -ne 0 ]; then
629 echo "Failed to add initial route for test."
634 # add initial route - used in replace route tests
637 add_route6 "2001:db8:104::/64" "$1"
642 local pfx="2001:db8:104::/64"
647 out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
648 [ "${out}" = "${expected}" ] && return 0
650 if [ -z "${out}" ]; then
651 if [ "$VERBOSE" = "1" ]; then
652 printf "\nNo route entry found\n"
654 printf " ${expected}\n"
659 # tricky way to convert output to 1-line without ip's
660 # messy '\'; this drops all extra white space
662 if [ "${out}" != "${expected}" ]; then
664 if [ "${VERBOSE}" = "1" ]; then
665 printf " Unexpected route entry. Have:\n"
667 printf " Expected:\n"
668 printf " ${expected}\n\n"
677 $IP li del red 2>/dev/null
678 $IP li del dummy1 2>/dev/null
679 $IP li del veth1 2>/dev/null
680 $IP li del veth3 2>/dev/null
690 [ "${VERBOSE}" = "1" ] && set -x
693 $IP li add red up type vrf table 101
694 $IP li add veth1 type veth peer name veth2
695 $IP li add veth3 type veth peer name veth4
699 $IP li set veth2 vrf red up
700 $IP li set veth4 vrf red up
701 $IP li add dummy1 type dummy
702 $IP li set dummy1 vrf red up
704 $IP -6 addr add 2001:db8:101::1/64 dev veth1
705 $IP -6 addr add 2001:db8:101::2/64 dev veth2
706 $IP -6 addr add 2001:db8:103::1/64 dev veth3
707 $IP -6 addr add 2001:db8:103::2/64 dev veth4
708 $IP -6 addr add 2001:db8:104::1/64 dev dummy1
710 $IP addr add 172.16.101.1/24 dev veth1
711 $IP addr add 172.16.101.2/24 dev veth2
712 $IP addr add 172.16.103.1/24 dev veth3
713 $IP addr add 172.16.103.2/24 dev veth4
714 $IP addr add 172.16.104.1/24 dev dummy1
719 # assumption is that basic add of a single path route works
720 # otherwise just adding an address on an interface is broken
726 echo "IPv6 route add / append tests"
728 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
729 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
730 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2"
731 log_test $? 2 "Attempt to add duplicate route - gw"
733 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
734 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
735 run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3"
736 log_test $? 2 "Attempt to add duplicate route - dev only"
738 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
739 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
740 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
741 log_test $? 2 "Attempt to add duplicate route - reject route"
743 # iproute2 prepend only sets NLM_F_CREATE
744 # - adds a new route; does NOT convert existing route to ECMP
745 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
746 run_cmd "$IP -6 ro prepend 2001:db8:104::/64 via 2001:db8:103::2"
747 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"
748 log_test $? 0 "Add new route for existing prefix (w/o NLM_F_EXCL)"
750 # route append with same prefix adds a new route
751 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
752 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
753 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
754 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"
755 log_test $? 0 "Append nexthop to existing route - gw"
757 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
758 run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
759 check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop dev veth3 weight 1"
760 log_test $? 0 "Append nexthop to existing route - dev only"
762 # multipath route can not have a nexthop that is a reject route
763 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
764 run_cmd "$IP -6 ro append unreachable 2001:db8:104::/64"
765 log_test $? 2 "Append nexthop to existing route - reject route"
767 # reject route can not be converted to multipath route
768 run_cmd "$IP -6 ro flush 2001:db8:104::/64"
769 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
770 run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
771 log_test $? 2 "Append nexthop to existing reject route - gw"
773 run_cmd "$IP -6 ro flush 2001:db8:104::/64"
774 run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
775 run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3"
776 log_test $? 2 "Append nexthop to existing reject route - dev only"
778 # insert mpath directly
779 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
780 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"
781 log_test $? 0 "Add multipath route"
783 add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
784 run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
785 log_test $? 2 "Attempt to add duplicate multipath route"
787 # insert of a second route without append but different metric
788 add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
789 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512"
791 if [ $rc -eq 0 ]; then
792 run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256"
795 log_test $rc 0 "Route add with different metrics"
797 run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512"
799 if [ $rc -eq 0 ]; then
800 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"
803 log_test $rc 0 "Route delete with metric"
806 ipv6_rt_replace_single()
808 # single path with single path
810 add_initial_route6 "via 2001:db8:101::2"
811 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2"
812 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
813 log_test $? 0 "Single path with single path"
815 # single path with multipath
817 add_initial_route6 "nexthop via 2001:db8:101::2"
818 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2"
819 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"
820 log_test $? 0 "Single path with multipath"
822 # single path with reject
824 add_initial_route6 "nexthop via 2001:db8:101::2"
825 run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
826 check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
827 log_test $? 0 "Single path with reject route"
829 # single path with single path using MULTIPATH attribute
831 add_initial_route6 "via 2001:db8:101::2"
832 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2"
833 check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
834 log_test $? 0 "Single path with single path via multipath attribute"
836 # route replace fails - invalid nexthop
837 add_initial_route6 "via 2001:db8:101::2"
838 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2"
839 if [ $? -eq 0 ]; then
840 # previous command is expected to fail so if it returns 0
841 # that means the test failed.
842 log_test 0 1 "Invalid nexthop"
844 check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
845 log_test $? 0 "Invalid nexthop"
848 # replace non-existent route
849 # - note use of change versus replace since ip adds NLM_F_CREATE
851 add_initial_route6 "via 2001:db8:101::2"
852 run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2"
853 log_test $? 2 "Single path - replace of non-existent route"
856 ipv6_rt_replace_mpath()
858 # multipath with multipath
859 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
860 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
861 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"
862 log_test $? 0 "Multipath with multipath"
864 # multipath with single
865 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
866 run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3"
867 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
868 log_test $? 0 "Multipath with single path"
870 # multipath with single
871 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
872 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3"
873 check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
874 log_test $? 0 "Multipath with single path via multipath attribute"
876 # multipath with reject
877 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
878 run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64"
879 check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024"
880 log_test $? 0 "Multipath with reject route"
882 # route replace fails - invalid nexthop 1
883 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
884 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
885 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"
886 log_test $? 0 "Multipath - invalid first nexthop"
888 # route replace fails - invalid nexthop 2
889 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
890 run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3"
891 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"
892 log_test $? 0 "Multipath - invalid second nexthop"
894 # multipath non-existent route
895 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
896 run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
897 log_test $? 2 "Multipath - replace of non-existent route"
903 echo "IPv6 route replace tests"
905 ipv6_rt_replace_single
906 ipv6_rt_replace_mpath
919 ip_addr_metric_check()
921 ip addr help 2>&1 | grep -q metric
922 if [ $? -ne 0 ]; then
923 echo "iproute2 command does not support metric for addresses. Skipping test"
930 ipv6_addr_metric_test()
935 echo "IPv6 prefix route tests"
937 ip_addr_metric_check || return 1
942 $IP li add dummy1 type dummy
943 $IP li add dummy2 type dummy
947 # default entry is metric 256
948 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
949 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
952 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
953 log_test $? 0 "Default metric"
956 run_cmd "$IP -6 addr flush dev dummy1"
957 run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
960 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
961 log_test $? 0 "User specified metric on first device"
964 run_cmd "$IP -6 addr flush dev dummy2"
965 run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
968 check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
969 log_test $? 0 "User specified metric on second device"
971 run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
973 if [ $rc -eq 0 ]; then
974 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
977 log_test $rc 0 "Delete of address on first device"
979 run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
981 if [ $rc -eq 0 ]; then
982 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
985 log_test $rc 0 "Modify metric of address"
987 # verify prefix route removed on down
988 run_cmd "ip netns exec testns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
989 run_cmd "$IP li set dev dummy2 down"
991 if [ $rc -eq 0 ]; then
995 log_test $rc 0 "Prefix route removed on link down"
997 # verify prefix route re-inserted with assigned metric
998 run_cmd "$IP li set dev dummy2 up"
1000 if [ $rc -eq 0 ]; then
1001 check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
1004 log_test $rc 0 "Prefix route with metric on link up"
1011 # add route for a prefix, flushing any existing routes first
1012 # expected to be the first step of a test
1019 if [ "$VERBOSE" = "1" ]; then
1021 echo " ##################################################"
1025 run_cmd "$IP ro flush ${pfx}"
1026 [ $? -ne 0 ] && exit 1
1028 out=$($IP ro ls match ${pfx})
1029 if [ -n "$out" ]; then
1030 echo "Failed to flush routes for prefix used for tests."
1034 run_cmd "$IP ro add ${pfx} ${nh}"
1035 if [ $? -ne 0 ]; then
1036 echo "Failed to add initial route for test."
1041 # add initial route - used in replace route tests
1044 add_route "172.16.104.0/24" "$1"
1049 local pfx="172.16.104.0/24"
1054 out=$($IP ro ls match ${pfx})
1055 [ "${out}" = "${expected}" ] && return 0
1057 if [ -z "${out}" ]; then
1058 if [ "$VERBOSE" = "1" ]; then
1059 printf "\nNo route entry found\n"
1060 printf "Expected:\n"
1061 printf " ${expected}\n"
1066 # tricky way to convert output to 1-line without ip's
1067 # messy '\'; this drops all extra white space
1069 if [ "${out}" != "${expected}" ]; then
1071 if [ "${VERBOSE}" = "1" ]; then
1072 printf " Unexpected route entry. Have:\n"
1074 printf " Expected:\n"
1075 printf " ${expected}\n\n"
1082 # assumption is that basic add of a single path route works
1083 # otherwise just adding an address on an interface is broken
1089 echo "IPv4 route add / append tests"
1091 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
1092 add_route "172.16.104.0/24" "via 172.16.101.2"
1093 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2"
1094 log_test $? 2 "Attempt to add duplicate route - gw"
1096 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
1097 add_route "172.16.104.0/24" "via 172.16.101.2"
1098 run_cmd "$IP ro add 172.16.104.0/24 dev veth3"
1099 log_test $? 2 "Attempt to add duplicate route - dev only"
1101 # route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
1102 add_route "172.16.104.0/24" "via 172.16.101.2"
1103 run_cmd "$IP ro add unreachable 172.16.104.0/24"
1104 log_test $? 2 "Attempt to add duplicate route - reject route"
1106 # iproute2 prepend only sets NLM_F_CREATE
1107 # - adds a new route; does NOT convert existing route to ECMP
1108 add_route "172.16.104.0/24" "via 172.16.101.2"
1109 run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2"
1110 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"
1111 log_test $? 0 "Add new nexthop for existing prefix"
1113 # route append with same prefix adds a new route
1114 # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
1115 add_route "172.16.104.0/24" "via 172.16.101.2"
1116 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
1117 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"
1118 log_test $? 0 "Append nexthop to existing route - gw"
1120 add_route "172.16.104.0/24" "via 172.16.101.2"
1121 run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
1122 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link"
1123 log_test $? 0 "Append nexthop to existing route - dev only"
1125 add_route "172.16.104.0/24" "via 172.16.101.2"
1126 run_cmd "$IP ro append unreachable 172.16.104.0/24"
1127 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24"
1128 log_test $? 0 "Append nexthop to existing route - reject route"
1130 run_cmd "$IP ro flush 172.16.104.0/24"
1131 run_cmd "$IP ro add unreachable 172.16.104.0/24"
1132 run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
1133 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3"
1134 log_test $? 0 "Append nexthop to existing reject route - gw"
1136 run_cmd "$IP ro flush 172.16.104.0/24"
1137 run_cmd "$IP ro add unreachable 172.16.104.0/24"
1138 run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
1139 check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link"
1140 log_test $? 0 "Append nexthop to existing reject route - dev only"
1142 # insert mpath directly
1143 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1144 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"
1145 log_test $? 0 "add multipath route"
1147 add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1148 run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1149 log_test $? 2 "Attempt to add duplicate multipath route"
1151 # insert of a second route without append but different metric
1152 add_route "172.16.104.0/24" "via 172.16.101.2"
1153 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512"
1155 if [ $rc -eq 0 ]; then
1156 run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256"
1159 log_test $rc 0 "Route add with different metrics"
1161 run_cmd "$IP ro del 172.16.104.0/24 metric 512"
1163 if [ $rc -eq 0 ]; then
1164 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"
1167 log_test $rc 0 "Route delete with metric"
1170 ipv4_rt_replace_single()
1172 # single path with single path
1174 add_initial_route "via 172.16.101.2"
1175 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2"
1176 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
1177 log_test $? 0 "Single path with single path"
1179 # single path with multipath
1181 add_initial_route "nexthop via 172.16.101.2"
1182 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2"
1183 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"
1184 log_test $? 0 "Single path with multipath"
1186 # single path with reject
1188 add_initial_route "nexthop via 172.16.101.2"
1189 run_cmd "$IP ro replace unreachable 172.16.104.0/24"
1190 check_route "unreachable 172.16.104.0/24"
1191 log_test $? 0 "Single path with reject route"
1193 # single path with single path using MULTIPATH attribute
1195 add_initial_route "via 172.16.101.2"
1196 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2"
1197 check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
1198 log_test $? 0 "Single path with single path via multipath attribute"
1200 # route replace fails - invalid nexthop
1201 add_initial_route "via 172.16.101.2"
1202 run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2"
1203 if [ $? -eq 0 ]; then
1204 # previous command is expected to fail so if it returns 0
1205 # that means the test failed.
1206 log_test 0 1 "Invalid nexthop"
1208 check_route "172.16.104.0/24 via 172.16.101.2 dev veth1"
1209 log_test $? 0 "Invalid nexthop"
1212 # replace non-existent route
1213 # - note use of change versus replace since ip adds NLM_F_CREATE
1215 add_initial_route "via 172.16.101.2"
1216 run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2"
1217 log_test $? 2 "Single path - replace of non-existent route"
1220 ipv4_rt_replace_mpath()
1222 # multipath with multipath
1223 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1224 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
1225 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"
1226 log_test $? 0 "Multipath with multipath"
1228 # multipath with single
1229 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1230 run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3"
1231 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
1232 log_test $? 0 "Multipath with single path"
1234 # multipath with single
1235 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1236 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3"
1237 check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
1238 log_test $? 0 "Multipath with single path via multipath attribute"
1240 # multipath with reject
1241 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1242 run_cmd "$IP ro replace unreachable 172.16.104.0/24"
1243 check_route "unreachable 172.16.104.0/24"
1244 log_test $? 0 "Multipath with reject route"
1246 # route replace fails - invalid nexthop 1
1247 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1248 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3"
1249 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"
1250 log_test $? 0 "Multipath - invalid first nexthop"
1252 # route replace fails - invalid nexthop 2
1253 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1254 run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3"
1255 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"
1256 log_test $? 0 "Multipath - invalid second nexthop"
1258 # multipath non-existent route
1259 add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
1260 run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
1261 log_test $? 2 "Multipath - replace of non-existent route"
1267 echo "IPv4 route replace tests"
1269 ipv4_rt_replace_single
1270 ipv4_rt_replace_mpath
1283 ipv4_addr_metric_test()
1288 echo "IPv4 prefix route tests"
1290 ip_addr_metric_check || return 1
1295 $IP li add dummy1 type dummy
1296 $IP li add dummy2 type dummy
1297 $IP li set dummy1 up
1298 $IP li set dummy2 up
1300 # default entry is metric 256
1301 run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
1302 run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
1305 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"
1306 log_test $? 0 "Default metric"
1309 run_cmd "$IP addr flush dev dummy1"
1310 run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
1313 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"
1314 log_test $? 0 "User specified metric on first device"
1317 run_cmd "$IP addr flush dev dummy2"
1318 run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
1321 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"
1322 log_test $? 0 "User specified metric on second device"
1324 run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
1326 if [ $rc -eq 0 ]; then
1327 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
1330 log_test $rc 0 "Delete of address on first device"
1332 run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
1334 if [ $rc -eq 0 ]; then
1335 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
1338 log_test $rc 0 "Modify metric of address"
1340 # verify prefix route removed on down
1341 run_cmd "$IP li set dev dummy2 down"
1343 if [ $rc -eq 0 ]; then
1347 log_test $rc 0 "Prefix route removed on link down"
1349 # verify prefix route re-inserted with assigned metric
1350 run_cmd "$IP li set dev dummy2 up"
1352 if [ $rc -eq 0 ]; then
1353 check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
1356 log_test $rc 0 "Prefix route with metric on link up"
1363 ################################################################################
1369 usage: ${0##*/} OPTS
1371 -t <test> Test(s) to run (default: all)
1374 -P Pause after each test before cleanup
1375 -v verbose mode (show commands and output)
1379 ################################################################################
1382 while getopts :t:pPhv o
1386 p) PAUSE_ON_FAIL=yes;;
1388 v) VERBOSE=$(($VERBOSE + 1));;
1394 PEER_CMD="ip netns exec ${PEER_NS}"
1396 # make sure we don't pause twice
1397 [ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
1399 if [ "$(id -u)" -ne 0 ];then
1400 echo "SKIP: Need root privileges"
1404 if [ ! -x "$(command -v ip)" ]; then
1405 echo "SKIP: Could not run test without ip tool"
1409 ip route help 2>&1 | grep -q fibmatch
1410 if [ $? -ne 0 ]; then
1411 echo "SKIP: iproute2 too old, missing fibmatch"
1416 cleanup &> /dev/null
1421 fib_unreg_test|unregister) fib_unreg_test;;
1422 fib_down_test|down) fib_down_test;;
1423 fib_carrier_test|carrier) fib_carrier_test;;
1424 fib_nexthop_test|nexthop) fib_nexthop_test;;
1425 ipv6_route_test|ipv6_rt) ipv6_route_test;;
1426 ipv4_route_test|ipv4_rt) ipv4_route_test;;
1427 ipv6_addr_metric) ipv6_addr_metric_test;;
1428 ipv4_addr_metric) ipv4_addr_metric_test;;
1430 help) echo "Test names: $TESTS"; exit 0;;
1434 if [ "$TESTS" != "none" ]; then
1435 printf "\nTests passed: %3d\n" ${nsuccess}
1436 printf "Tests failed: %3d\n" ${nfail}