2 # SPDX-License-Identifier: GPL-2.0
4 # ns: me | ns: peer | ns: remote
5 # 2001:db8:91::1 | 2001:db8:91::2 |
6 # 172.16.1.1 | 172.16.1.2 |
7 # veth1 <---|---> veth2 |
8 # | veth5 <--|--> veth6 172.16.101.1
9 # veth3 <---|---> veth4 | 2001:db8:101::1
10 # 172.16.2.1 | 172.16.2.2 |
11 # 2001:db8:92::1 | 2001:db8:92::2 |
13 # This test is for checking IPv4 and IPv6 FIB behavior with nexthop
14 # objects. Device reference counts and network namespace cleanup tested
15 # by use of network namespace for peer.
18 # Kselftest framework requirement - SKIP code is 4.
21 # all tests in this script. Can be overridden with -t option
22 IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime"
23 IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime"
25 ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
33 ################################################################################
42 if [ ${rc} -eq ${expected} ]; then
43 printf "TEST: %-60s [ OK ]\n" "${msg}"
44 nsuccess=$((nsuccess+1))
48 printf "TEST: %-60s [FAIL]\n" "${msg}"
49 if [ "$VERBOSE" = "1" ]; then
50 echo " rc=$rc, expected $expected"
53 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
55 echo "hit enter to continue, 'q' to quit"
57 [ "$a" = "q" ] && exit 1
61 if [ "${PAUSE}" = "yes" ]; then
63 echo "hit enter to continue, 'q' to quit"
65 [ "$a" = "q" ] && exit 1
68 [ "$VERBOSE" = "1" ] && echo
75 local stderr="2>/dev/null"
77 if [ "$VERBOSE" = "1" ]; then
78 printf "COMMAND: $cmd\n"
82 out=$(eval $cmd $stderr)
84 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
97 [ -n "$2" ] && ns="-netns $2"
98 addr=$(ip $ns -6 -br addr show dev ${dev} | \
100 for (i = 3; i <= NF; ++i) {
108 [ -z "$addr" ] && return 1
119 ip netns del ${n} 2>/dev/null
123 ip netns set ${n} $((nsid++))
124 ip -netns ${n} addr add 127.0.0.1/8 dev lo
125 ip -netns ${n} link set lo up
127 ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1
128 ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1
129 ip netns exec ${n} sysctl -qw net.ipv4.conf.default.ignore_routes_with_linkdown=1
130 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
131 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.forwarding=1
132 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.forwarding=1
133 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.ignore_routes_with_linkdown=1
134 ip netns exec ${n} sysctl -qw net.ipv6.conf.all.accept_dad=0
135 ip netns exec ${n} sysctl -qw net.ipv6.conf.default.accept_dad=0
150 $IP li add veth1 type veth peer name veth2
152 $IP addr add 172.16.1.1/24 dev veth1
153 $IP -6 addr add 2001:db8:91::1/64 dev veth1 nodad
155 $IP li add veth3 type veth peer name veth4
157 $IP addr add 172.16.2.1/24 dev veth3
158 $IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad
160 $IP li set veth2 netns peer up
161 ip -netns peer addr add 172.16.1.2/24 dev veth2
162 ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad
164 $IP li set veth4 netns peer up
165 ip -netns peer addr add 172.16.2.2/24 dev veth4
166 ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad
168 ip -netns remote li add veth5 type veth peer name veth6
169 ip -netns remote li set veth5 up
170 ip -netns remote addr add dev veth5 172.16.101.1/24
171 ip -netns remote -6 addr add dev veth5 2001:db8:101::1/64 nodad
172 ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
173 ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
175 ip -netns remote li set veth6 netns peer up
176 ip -netns peer addr add dev veth6 172.16.101.2/24
177 ip -netns peer -6 addr add dev veth6 2001:db8:101::2/64 nodad
185 for ns in me peer remote; do
186 ip netns del ${ns} 2>/dev/null
196 [ "${out}" = "${expected}" ] && return 0
198 if [ -z "${out}" ]; then
199 if [ "$VERBOSE" = "1" ]; then
200 printf "\nNo entry found\n"
202 printf " ${expected}\n"
208 if [ "${out}" != "${expected}" ]; then
210 if [ "${VERBOSE}" = "1" ]; then
211 printf " Unexpected entry. Have:\n"
213 printf " Expected:\n"
214 printf " ${expected}\n\n"
216 echo " WARNING: Unexpected route entry"
229 out=$($IP nexthop ls ${nharg} 2>/dev/null)
231 check_output "${out}" "${expected}"
240 out=$($IP route ls match ${pfx} 2>/dev/null)
242 check_output "${out}" "${expected}"
251 out=$($IP -6 route ls match ${pfx} 2>/dev/null | sed -e 's/pref medium//')
253 check_output "${out}" "${expected}"
256 ################################################################################
257 # basic operations (add, delete, replace) on nexthops and nexthop groups
267 echo "----------------------"
269 run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1"
271 log_test $rc 0 "Create nexthop with id, gw, dev"
272 if [ $rc -ne 0 ]; then
273 echo "Basic IPv6 create fails; can not continue"
277 run_cmd "$IP nexthop get id 52"
278 log_test $? 0 "Get nexthop by id"
279 check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1 scope link"
281 run_cmd "$IP nexthop del id 52"
282 log_test $? 0 "Delete nexthop by id"
283 check_nexthop "id 52" ""
288 # gw validation, no device - fails since dev required
289 run_cmd "$IP nexthop add id 52 via 2001:db8:92::3"
290 log_test $? 2 "Create nexthop - gw only"
292 # gw is not reachable throught given dev
293 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1"
294 log_test $? 2 "Create nexthop - invalid gw+dev combination"
296 # onlink arg overrides gw+dev lookup
297 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink"
298 log_test $? 0 "Create nexthop - gw+dev and onlink"
300 # admin down should delete nexthops
302 run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1"
303 run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1"
304 run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1"
305 run_cmd "$IP li set dev veth1 down"
307 check_nexthop "dev veth1" ""
308 log_test $? 0 "Nexthops removed on admin down"
316 echo "IPv6 groups functional"
317 echo "----------------------"
319 # basic functionality: create a nexthop group, default weight
320 run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1"
321 run_cmd "$IP nexthop add id 101 group 61"
322 log_test $? 0 "Create nexthop group with single nexthop"
325 run_cmd "$IP nexthop get id 101"
326 log_test $? 0 "Get nexthop group by id"
327 check_nexthop "id 101" "id 101 group 61"
329 # delete nexthop group
330 run_cmd "$IP nexthop del id 101"
331 log_test $? 0 "Delete nexthop group by id"
332 check_nexthop "id 101" ""
334 $IP nexthop flush >/dev/null 2>&1
335 check_nexthop "id 101" ""
338 # create group with multiple nexthops - mix of gw and dev only
340 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
341 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
342 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
343 run_cmd "$IP nexthop add id 65 dev veth1"
344 run_cmd "$IP nexthop add id 102 group 62/63/64/65"
345 log_test $? 0 "Nexthop group with multiple nexthops"
346 check_nexthop "id 102" "id 102 group 62/63/64/65"
348 # Delete nexthop in a group and group is updated
349 run_cmd "$IP nexthop del id 63"
350 check_nexthop "id 102" "id 102 group 62/64/65"
351 log_test $? 0 "Nexthop group updated when entry is deleted"
353 # create group with multiple weighted nexthops
354 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
355 run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4"
356 log_test $? 0 "Nexthop group with weighted nexthops"
357 check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4"
359 # Delete nexthop in a weighted group and group is updated
360 run_cmd "$IP nexthop del id 63"
361 check_nexthop "id 103" "id 103 group 62/64,3/65,4"
362 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
364 # admin down - nexthop is removed from group
365 run_cmd "$IP li set dev veth1 down"
366 check_nexthop "dev veth1" ""
367 log_test $? 0 "Nexthops in groups removed on admin down"
369 # expect groups to have been deleted as well
372 run_cmd "$IP li set dev veth1 up"
374 $IP nexthop flush >/dev/null 2>&1
376 # group with nexthops using different devices
378 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
379 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
380 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
381 run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
383 run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3"
384 run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3"
385 run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3"
386 run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3"
389 # multiple groups with same nexthop
390 run_cmd "$IP nexthop add id 104 group 62"
391 run_cmd "$IP nexthop add id 105 group 62"
392 check_nexthop "group" "id 104 group 62 id 105 group 62"
393 log_test $? 0 "Multiple groups with same nexthop"
395 run_cmd "$IP nexthop flush groups"
396 [ $? -ne 0 ] && return 1
398 # on admin down of veth1, it should be removed from the group
399 run_cmd "$IP nexthop add id 105 group 62/63/72/73/64"
400 run_cmd "$IP li set veth1 down"
401 check_nexthop "id 105" "id 105 group 72/73"
402 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
404 run_cmd "$IP nexthop add id 106 group 105/74"
405 log_test $? 2 "Nexthop group can not have a group as an entry"
407 # a group can have a blackhole entry only if it is the only
408 # nexthop in the group. Needed for atomic replace with an
409 # actual nexthop group
410 run_cmd "$IP -6 nexthop add id 31 blackhole"
411 run_cmd "$IP nexthop add id 107 group 31"
412 log_test $? 0 "Nexthop group with a blackhole entry"
414 run_cmd "$IP nexthop add id 108 group 31/24"
415 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
423 echo "IPv6 functional runtime"
424 echo "-----------------------"
429 run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1"
430 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
431 log_test $? 0 "Route add"
433 run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81"
434 log_test $? 0 "Route delete"
436 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
437 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
438 log_test $? 0 "Ping with nexthop"
440 run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
441 run_cmd "$IP nexthop add id 122 group 81/82"
442 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
443 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
444 log_test $? 0 "Ping - multipath"
447 # IPv6 with blackhole nexthops
449 run_cmd "$IP -6 nexthop add id 83 blackhole"
450 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
451 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
452 log_test $? 2 "Ping - blackhole"
454 run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
455 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
456 log_test $? 0 "Ping - blackhole replaced with gateway"
458 run_cmd "$IP -6 nexthop replace id 83 blackhole"
459 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
460 log_test $? 2 "Ping - gateway replaced by blackhole"
462 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
463 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
464 if [ $? -eq 0 ]; then
465 run_cmd "$IP nexthop replace id 122 group 83"
466 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
467 log_test $? 2 "Ping - group with blackhole"
469 run_cmd "$IP nexthop replace id 122 group 81/82"
470 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
471 log_test $? 0 "Ping - group blackhole replaced with gateways"
473 log_test 2 0 "Ping - multipath failed"
477 # device only and gw + dev only mix
479 run_cmd "$IP -6 nexthop add id 85 dev veth1"
480 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
481 log_test $? 0 "IPv6 route with device only nexthop"
482 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024"
484 run_cmd "$IP nexthop add id 123 group 81/85"
485 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
486 log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
487 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1"
490 # IPv6 route with v4 nexthop - not allowed
492 run_cmd "$IP ro delete 2001:db8:101::1/128"
493 run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1"
494 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84"
495 log_test $? 2 "IPv6 route can not have a v4 gateway"
497 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81"
498 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
499 log_test $? 2 "Nexthop replace - v6 route, v4 nexthop"
501 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
502 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
503 log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop"
505 $IP nexthop flush >/dev/null 2>&1
510 run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
511 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
514 # existing route with old nexthop; append route with new nexthop
515 # existing route with old nexthop; replace route with new
516 # existing route with new nexthop; replace route with old
517 # route with src address and using nexthop - not allowed
525 echo "IPv4 functional"
526 echo "----------------------"
529 # basic IPv4 ops - add, get, delete
531 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
533 log_test $rc 0 "Create nexthop with id, gw, dev"
534 if [ $rc -ne 0 ]; then
535 echo "Basic IPv4 create fails; can not continue"
539 run_cmd "$IP nexthop get id 12"
540 log_test $? 0 "Get nexthop by id"
541 check_nexthop "id 12" "id 12 via 172.16.1.2 dev veth1 scope link"
543 run_cmd "$IP nexthop del id 12"
544 log_test $? 0 "Delete nexthop by id"
545 check_nexthop "id 52" ""
550 # gw validation, no device - fails since dev is required
551 run_cmd "$IP nexthop add id 12 via 172.16.2.3"
552 log_test $? 2 "Create nexthop - gw only"
554 # gw not reachable through given dev
555 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1"
556 log_test $? 2 "Create nexthop - invalid gw+dev combination"
558 # onlink flag overrides gw+dev lookup
559 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink"
560 log_test $? 0 "Create nexthop - gw+dev and onlink"
562 # admin down should delete nexthops
564 run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1"
565 run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1"
566 run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1"
567 run_cmd "$IP li set dev veth1 down"
569 check_nexthop "dev veth1" ""
570 log_test $? 0 "Nexthops removed on admin down"
578 echo "IPv4 groups functional"
579 echo "----------------------"
581 # basic functionality: create a nexthop group, default weight
582 run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1"
583 run_cmd "$IP nexthop add id 101 group 11"
584 log_test $? 0 "Create nexthop group with single nexthop"
587 run_cmd "$IP nexthop get id 101"
588 log_test $? 0 "Get nexthop group by id"
589 check_nexthop "id 101" "id 101 group 11"
591 # delete nexthop group
592 run_cmd "$IP nexthop del id 101"
593 log_test $? 0 "Delete nexthop group by id"
594 check_nexthop "id 101" ""
596 $IP nexthop flush >/dev/null 2>&1
599 # create group with multiple nexthops
600 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
601 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
602 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
603 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
604 run_cmd "$IP nexthop add id 102 group 12/13/14/15"
605 log_test $? 0 "Nexthop group with multiple nexthops"
606 check_nexthop "id 102" "id 102 group 12/13/14/15"
608 # Delete nexthop in a group and group is updated
609 run_cmd "$IP nexthop del id 13"
610 check_nexthop "id 102" "id 102 group 12/14/15"
611 log_test $? 0 "Nexthop group updated when entry is deleted"
613 # create group with multiple weighted nexthops
614 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
615 run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4"
616 log_test $? 0 "Nexthop group with weighted nexthops"
617 check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4"
619 # Delete nexthop in a weighted group and group is updated
620 run_cmd "$IP nexthop del id 13"
621 check_nexthop "id 103" "id 103 group 12/14,3/15,4"
622 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
624 # admin down - nexthop is removed from group
625 run_cmd "$IP li set dev veth1 down"
626 check_nexthop "dev veth1" ""
627 log_test $? 0 "Nexthops in groups removed on admin down"
629 # expect groups to have been deleted as well
632 run_cmd "$IP li set dev veth1 up"
634 $IP nexthop flush >/dev/null 2>&1
636 # group with nexthops using different devices
638 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
639 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
640 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
641 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
643 run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3"
644 run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3"
645 run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3"
646 run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3"
649 # multiple groups with same nexthop
650 run_cmd "$IP nexthop add id 104 group 12"
651 run_cmd "$IP nexthop add id 105 group 12"
652 check_nexthop "group" "id 104 group 12 id 105 group 12"
653 log_test $? 0 "Multiple groups with same nexthop"
655 run_cmd "$IP nexthop flush groups"
656 [ $? -ne 0 ] && return 1
658 # on admin down of veth1, it should be removed from the group
659 run_cmd "$IP nexthop add id 105 group 12/13/22/23/14"
660 run_cmd "$IP li set veth1 down"
661 check_nexthop "id 105" "id 105 group 22/23"
662 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
664 run_cmd "$IP nexthop add id 106 group 105/24"
665 log_test $? 2 "Nexthop group can not have a group as an entry"
667 # a group can have a blackhole entry only if it is the only
668 # nexthop in the group. Needed for atomic replace with an
669 # actual nexthop group
670 run_cmd "$IP nexthop add id 31 blackhole"
671 run_cmd "$IP nexthop add id 107 group 31"
672 log_test $? 0 "Nexthop group with a blackhole entry"
674 run_cmd "$IP nexthop add id 108 group 31/24"
675 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
683 lladdr=$(get_linklocal veth2 peer)
684 run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
686 run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
687 log_test $? 0 "IPv6 nexthop with IPv4 route"
688 check_route "172.16.101.1" "172.16.101.1 nhid 11 via inet6 ${lladdr} dev veth1"
691 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
692 run_cmd "$IP nexthop add id 101 group 11/12"
694 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
695 log_test $? 0 "IPv6 nexthop with IPv4 route"
697 check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
699 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
700 log_test $? 0 "IPv4 route with IPv6 gateway"
701 check_route "172.16.101.1" "172.16.101.1 via inet6 ${lladdr} dev veth1"
703 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
704 log_test $? 2 "IPv4 route with invalid IPv6 gateway"
713 echo "IPv4 functional runtime"
714 echo "-----------------------"
716 run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
717 run_cmd "$IP ro add 172.16.101.1/32 nhid 21"
718 log_test $? 0 "Route add"
719 check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1"
721 run_cmd "$IP ro delete 172.16.101.1/32 nhid 21"
722 log_test $? 0 "Route delete"
727 run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
728 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
729 log_test $? 2 "Route add - scope conflict with nexthop"
731 run_cmd "$IP nexthop replace id 22 dev veth3"
732 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
733 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
734 log_test $? 2 "Nexthop replace with invalid scope for existing route"
737 # add route with nexthop and check traffic
739 run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
740 run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
741 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
742 log_test $? 0 "Basic ping"
744 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
745 run_cmd "$IP nexthop add id 122 group 21/22"
746 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
747 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
748 log_test $? 0 "Ping - multipath"
750 run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
753 # multiple default routes
754 # - tests fib_select_default
755 run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
756 run_cmd "$IP ro add default nhid 501"
757 run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
758 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
759 log_test $? 0 "Ping - multiple default routes, nh first"
762 run_cmd "$IP ro del default nhid 501"
763 run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20"
764 run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
765 run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
766 run_cmd "$IP ro add default nhid 501 metric 20"
767 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
768 log_test $? 0 "Ping - multiple default routes, nh second"
770 run_cmd "$IP nexthop delete nhid 501"
771 run_cmd "$IP ro del default"
774 # IPv4 with blackhole nexthops
776 run_cmd "$IP nexthop add id 23 blackhole"
777 run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
778 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
779 log_test $? 2 "Ping - blackhole"
781 run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
782 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
783 log_test $? 0 "Ping - blackhole replaced with gateway"
785 run_cmd "$IP nexthop replace id 23 blackhole"
786 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
787 log_test $? 2 "Ping - gateway replaced by blackhole"
789 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
790 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
791 if [ $? -eq 0 ]; then
792 run_cmd "$IP nexthop replace id 122 group 23"
793 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
794 log_test $? 2 "Ping - group with blackhole"
796 run_cmd "$IP nexthop replace id 122 group 21/22"
797 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
798 log_test $? 0 "Ping - group blackhole replaced with gateways"
800 log_test 2 0 "Ping - multipath failed"
804 # device only and gw + dev only mix
806 run_cmd "$IP nexthop add id 85 dev veth1"
807 run_cmd "$IP ro replace 172.16.101.1/32 nhid 85"
808 log_test $? 0 "IPv4 route with device only nexthop"
809 check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
811 run_cmd "$IP nexthop add id 123 group 21/85"
812 run_cmd "$IP ro replace 172.16.101.1/32 nhid 123"
813 log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
814 check_route "172.16.101.1" "172.16.101.1 nhid 123 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop dev veth1 weight 1"
820 lladdr=$(get_linklocal veth2 peer)
821 run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
823 run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
824 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
825 log_test $? 0 "IPv6 nexthop with IPv4 route"
827 $IP neigh sh | grep -q "${lladdr} dev veth1"
828 if [ $? -eq 1 ]; then
829 echo " WARNING: Neigh entry missing for ${lladdr}"
830 $IP neigh sh | grep 'dev veth1'
833 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
834 if [ $? -eq 0 ]; then
835 echo " WARNING: Neigh entry exists for 172.16.101.1"
836 $IP neigh sh | grep 'dev veth1'
840 run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1"
841 run_cmd "$IP nexthop add id 101 group 24/25"
843 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
844 log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
846 check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
848 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
849 log_test $? 0 "IPv6 nexthop with IPv4 route"
851 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
852 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
853 log_test $? 0 "IPv4 route with IPv6 gateway"
855 $IP neigh sh | grep -q "${lladdr} dev veth1"
856 if [ $? -eq 1 ]; then
857 echo " WARNING: Neigh entry missing for ${lladdr}"
858 $IP neigh sh | grep 'dev veth1'
861 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
862 if [ $? -eq 0 ]; then
863 echo " WARNING: Neigh entry exists for 172.16.101.1"
864 $IP neigh sh | grep 'dev veth1'
867 run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
868 run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1"
869 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
870 log_test $? 0 "IPv4 default route with IPv6 gateway"
873 # MPLS as an example of LWT encap
875 run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1"
876 log_test $? 0 "IPv4 route with MPLS encap"
877 check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link"
878 log_test $? 0 "IPv4 route with MPLS encap - check"
880 run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1"
881 log_test $? 0 "IPv4 route with MPLS encap and v6 gateway"
882 check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope link"
883 log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
889 echo "Basic functional tests"
890 echo "----------------------"
891 run_cmd "$IP nexthop ls"
892 log_test $? 0 "List with nothing defined"
894 run_cmd "$IP nexthop get id 1"
895 log_test $? 2 "Nexthop get on non-existent id"
897 # attempt to create nh without a device or gw - fails
898 run_cmd "$IP nexthop add id 1"
899 log_test $? 2 "Nexthop with no device or gateway"
901 # attempt to create nh with down device - fails
902 $IP li set veth1 down
903 run_cmd "$IP nexthop add id 1 dev veth1"
904 log_test $? 2 "Nexthop with down device"
906 # create nh with linkdown device - fails
908 ip -netns peer li set veth2 down
909 run_cmd "$IP nexthop add id 1 dev veth1"
910 log_test $? 2 "Nexthop with device that is linkdown"
911 ip -netns peer li set veth2 up
914 run_cmd "$IP nexthop add id 1 dev veth1"
915 log_test $? 0 "Nexthop with device only"
917 # create nh with duplicate id
918 run_cmd "$IP nexthop add id 1 dev veth3"
919 log_test $? 2 "Nexthop with duplicate id"
922 run_cmd "$IP nexthop add id 2 blackhole"
923 log_test $? 0 "Blackhole nexthop"
925 # blackhole nexthop can not have other specs
926 run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
927 log_test $? 2 "Blackhole nexthop with other attributes"
933 run_cmd "$IP nexthop add id 101 group 1"
934 log_test $? 0 "Create group"
936 run_cmd "$IP nexthop add id 102 group 2"
937 log_test $? 0 "Create group with blackhole nexthop"
939 # multipath group can not have a blackhole as 1 path
940 run_cmd "$IP nexthop add id 103 group 1/2"
941 log_test $? 2 "Create multipath group where 1 path is a blackhole"
943 # multipath group can not have a member replaced by a blackhole
944 run_cmd "$IP nexthop replace id 2 dev veth3"
945 run_cmd "$IP nexthop replace id 102 group 1/2"
946 run_cmd "$IP nexthop replace id 2 blackhole"
947 log_test $? 2 "Multipath group can not have a member replaced by blackhole"
949 # attempt to create group with non-existent nexthop
950 run_cmd "$IP nexthop add id 103 group 12"
951 log_test $? 2 "Create group with non-existent nexthop"
953 # attempt to create group with same nexthop
954 run_cmd "$IP nexthop add id 103 group 1/1"
955 log_test $? 2 "Create group with same nexthop multiple times"
957 # replace nexthop with a group - fails
958 run_cmd "$IP nexthop replace id 2 group 1"
959 log_test $? 2 "Replace nexthop with nexthop group"
961 # replace nexthop group with a nexthop - fails
962 run_cmd "$IP nexthop replace id 101 dev veth1"
963 log_test $? 2 "Replace nexthop group with nexthop"
965 # nexthop group with other attributes fail
966 run_cmd "$IP nexthop add id 104 group 1 dev veth1"
967 log_test $? 2 "Nexthop group and device"
969 # Tests to ensure that flushing works as expected.
970 run_cmd "$IP nexthop add id 105 blackhole proto 99"
971 run_cmd "$IP nexthop add id 106 blackhole proto 100"
972 run_cmd "$IP nexthop add id 107 blackhole proto 99"
973 run_cmd "$IP nexthop flush proto 99"
974 check_nexthop "id 105" ""
975 check_nexthop "id 106" "id 106 blackhole proto 100"
976 check_nexthop "id 107" ""
977 run_cmd "$IP nexthop flush proto 100"
978 check_nexthop "id 106" ""
980 run_cmd "$IP nexthop flush proto 100"
981 log_test $? 0 "Test proto flush"
983 run_cmd "$IP nexthop add id 104 group 1 blackhole"
984 log_test $? 2 "Nexthop group and blackhole"
986 $IP nexthop flush >/dev/null 2>&1
989 ################################################################################
997 -t <test> Test(s) to run (default: all)
998 (options: $ALL_TESTS)
1002 -P Pause after each test before cleanup
1003 -v verbose mode (show commands and output)
1006 -n num Number of nexthops to target
1007 -N Use new style to install routes in DUT
1013 ################################################################################
1016 while getopts :t:pP46hv o
1020 4) TESTS=${IPV4_TESTS};;
1021 6) TESTS=${IPV6_TESTS};;
1022 p) PAUSE_ON_FAIL=yes;;
1024 v) VERBOSE=$(($VERBOSE + 1));;
1030 # make sure we don't pause twice
1031 [ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
1033 if [ "$(id -u)" -ne 0 ];then
1034 echo "SKIP: Need root privileges"
1038 if [ ! -x "$(command -v ip)" ]; then
1039 echo "SKIP: Could not run test without ip tool"
1043 ip help 2>&1 | grep -q nexthop
1044 if [ $? -ne 0 ]; then
1045 echo "SKIP: iproute2 too old, missing nexthop command"
1049 out=$(ip nexthop ls 2>&1 | grep -q "Operation not supported")
1050 if [ $? -eq 0 ]; then
1051 echo "SKIP: kernel lacks nexthop support"
1058 none) IP="ip -netns peer"; setup; exit 0;;
1059 *) setup; $t; cleanup;;
1063 if [ "$TESTS" != "none" ]; then
1064 printf "\nTests passed: %3d\n" ${nsuccess}
1065 printf "Tests failed: %3d\n" ${nfail}