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 ipv4_compat_mode ipv4_fdb_grp_fcnal"
23 IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode ipv6_fdb_grp_fcnal"
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
149 BRIDGE="bridge -netns me"
151 $IP li add veth1 type veth peer name veth2
153 $IP addr add 172.16.1.1/24 dev veth1
154 $IP -6 addr add 2001:db8:91::1/64 dev veth1 nodad
156 $IP li add veth3 type veth peer name veth4
158 $IP addr add 172.16.2.1/24 dev veth3
159 $IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad
161 $IP li set veth2 netns peer up
162 ip -netns peer addr add 172.16.1.2/24 dev veth2
163 ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad
165 $IP li set veth4 netns peer up
166 ip -netns peer addr add 172.16.2.2/24 dev veth4
167 ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad
169 ip -netns remote li add veth5 type veth peer name veth6
170 ip -netns remote li set veth5 up
171 ip -netns remote addr add dev veth5 172.16.101.1/24
172 ip -netns remote -6 addr add dev veth5 2001:db8:101::1/64 nodad
173 ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
174 ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
176 ip -netns remote li set veth6 netns peer up
177 ip -netns peer addr add dev veth6 172.16.101.2/24
178 ip -netns peer -6 addr add dev veth6 2001:db8:101::2/64 nodad
186 for ns in me peer remote; do
187 ip netns del ${ns} 2>/dev/null
197 [ "${out}" = "${expected}" ] && return 0
199 if [ -z "${out}" ]; then
200 if [ "$VERBOSE" = "1" ]; then
201 printf "\nNo entry found\n"
203 printf " ${expected}\n"
209 if [ "${out}" != "${expected}" ]; then
211 if [ "${VERBOSE}" = "1" ]; then
212 printf " Unexpected entry. Have:\n"
214 printf " Expected:\n"
215 printf " ${expected}\n\n"
217 echo " WARNING: Unexpected route entry"
230 out=$($IP nexthop ls ${nharg} 2>/dev/null)
232 check_output "${out}" "${expected}"
241 out=$($IP route ls match ${pfx} 2>/dev/null)
243 check_output "${out}" "${expected}"
252 out=$($IP -6 route ls match ${pfx} 2>/dev/null | sed -e 's/pref medium//')
254 check_output "${out}" "${expected}"
261 # start the monitor in the background
262 tmpfile=`mktemp /var/run/nexthoptestXXX`
263 mpid=`($IP monitor $mtype > $tmpfile & echo $!) 2>/dev/null`
265 echo "$mpid $tmpfile"
274 # check the monitor results
276 lines=`wc -l $tmpfile | cut "-d " -f1`
284 check_nexthop_fdb_support()
286 $IP nexthop help 2>&1 | grep -q fdb
287 if [ $? -ne 0 ]; then
288 echo "SKIP: iproute2 too old, missing fdb nexthop support"
298 echo "IPv6 fdb groups functional"
299 echo "--------------------------"
301 check_nexthop_fdb_support
302 if [ $? -eq $ksft_skip ]; then
306 # create group with multiple nexthops
307 run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb"
308 run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb"
309 run_cmd "$IP nexthop add id 102 group 61/62 fdb"
310 check_nexthop "id 102" "id 102 group 61/62 fdb"
311 log_test $? 0 "Fdb Nexthop group with multiple nexthops"
314 run_cmd "$IP nexthop get id 102"
315 check_nexthop "id 102" "id 102 group 61/62 fdb"
316 log_test $? 0 "Get Fdb nexthop group by id"
318 # fdb nexthop group can only contain fdb nexthops
319 run_cmd "$IP nexthop add id 63 via 2001:db8:91::4"
320 run_cmd "$IP nexthop add id 64 via 2001:db8:91::5"
321 run_cmd "$IP nexthop add id 103 group 63/64 fdb"
322 log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
324 # Non fdb nexthop group can not contain fdb nexthops
325 run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb"
326 run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb"
327 run_cmd "$IP nexthop add id 104 group 65/66"
328 log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
330 # fdb nexthop cannot have blackhole
331 run_cmd "$IP nexthop add id 67 blackhole fdb"
332 log_test $? 2 "Fdb Nexthop with blackhole"
334 # fdb nexthop with oif
335 run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb"
336 log_test $? 2 "Fdb Nexthop with oif"
338 # fdb nexthop with onlink
339 run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb"
340 log_test $? 2 "Fdb Nexthop with onlink"
342 # fdb nexthop with encap
343 run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb"
344 log_test $? 2 "Fdb Nexthop with encap"
346 run_cmd "$IP link add name vx10 type vxlan id 1010 local 2001:db8:91::9 remote 2001:db8:91::10 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
347 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
348 log_test $? 0 "Fdb mac add with nexthop group"
350 ## fdb nexthops can only reference nexthop groups and not nexthops
351 run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self"
352 log_test $? 255 "Fdb mac add with nexthop"
354 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66"
355 log_test $? 2 "Route add with fdb nexthop"
357 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
358 log_test $? 2 "Route add with fdb nexthop group"
360 run_cmd "$IP nexthop del id 102"
361 log_test $? 0 "Fdb nexthop delete"
363 $IP link del dev vx10
371 echo "IPv4 fdb groups functional"
372 echo "--------------------------"
374 check_nexthop_fdb_support
375 if [ $? -eq $ksft_skip ]; then
379 # create group with multiple nexthops
380 run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb"
381 run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb"
382 run_cmd "$IP nexthop add id 102 group 12/13 fdb"
383 check_nexthop "id 102" "id 102 group 12/13 fdb"
384 log_test $? 0 "Fdb Nexthop group with multiple nexthops"
387 run_cmd "$IP nexthop get id 102"
388 check_nexthop "id 102" "id 102 group 12/13 fdb"
389 log_test $? 0 "Get Fdb nexthop group by id"
391 # fdb nexthop group can only contain fdb nexthops
392 run_cmd "$IP nexthop add id 14 via 172.16.1.2"
393 run_cmd "$IP nexthop add id 15 via 172.16.1.3"
394 run_cmd "$IP nexthop add id 103 group 14/15 fdb"
395 log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
397 # Non fdb nexthop group can not contain fdb nexthops
398 run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb"
399 run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb"
400 run_cmd "$IP nexthop add id 104 group 14/15"
401 log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
403 # fdb nexthop cannot have blackhole
404 run_cmd "$IP nexthop add id 18 blackhole fdb"
405 log_test $? 2 "Fdb Nexthop with blackhole"
407 # fdb nexthop with oif
408 run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb"
409 log_test $? 2 "Fdb Nexthop with oif"
411 # fdb nexthop with onlink
412 run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb"
413 log_test $? 2 "Fdb Nexthop with onlink"
415 # fdb nexthop with encap
416 run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb"
417 log_test $? 2 "Fdb Nexthop with encap"
419 run_cmd "$IP link add name vx10 type vxlan id 1010 local 10.0.0.1 remote 10.0.0.2 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
420 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
421 log_test $? 0 "Fdb mac add with nexthop group"
423 # fdb nexthops can only reference nexthop groups and not nexthops
424 run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self"
425 log_test $? 255 "Fdb mac add with nexthop"
427 run_cmd "$IP ro add 172.16.0.0/22 nhid 15"
428 log_test $? 2 "Route add with fdb nexthop"
430 run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
431 log_test $? 2 "Route add with fdb nexthop group"
433 run_cmd "$IP nexthop del id 102"
434 log_test $? 0 "Fdb nexthop delete"
436 $IP link del dev vx10
439 ################################################################################
440 # basic operations (add, delete, replace) on nexthops and nexthop groups
450 echo "----------------------"
452 run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1"
454 log_test $rc 0 "Create nexthop with id, gw, dev"
455 if [ $rc -ne 0 ]; then
456 echo "Basic IPv6 create fails; can not continue"
460 run_cmd "$IP nexthop get id 52"
461 log_test $? 0 "Get nexthop by id"
462 check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1 scope link"
464 run_cmd "$IP nexthop del id 52"
465 log_test $? 0 "Delete nexthop by id"
466 check_nexthop "id 52" ""
471 # gw validation, no device - fails since dev required
472 run_cmd "$IP nexthop add id 52 via 2001:db8:92::3"
473 log_test $? 2 "Create nexthop - gw only"
475 # gw is not reachable throught given dev
476 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1"
477 log_test $? 2 "Create nexthop - invalid gw+dev combination"
479 # onlink arg overrides gw+dev lookup
480 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink"
481 log_test $? 0 "Create nexthop - gw+dev and onlink"
483 # admin down should delete nexthops
485 run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1"
486 run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1"
487 run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1"
488 run_cmd "$IP li set dev veth1 down"
490 check_nexthop "dev veth1" ""
491 log_test $? 0 "Nexthops removed on admin down"
499 echo "IPv6 groups functional"
500 echo "----------------------"
502 # basic functionality: create a nexthop group, default weight
503 run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1"
504 run_cmd "$IP nexthop add id 101 group 61"
505 log_test $? 0 "Create nexthop group with single nexthop"
508 run_cmd "$IP nexthop get id 101"
509 log_test $? 0 "Get nexthop group by id"
510 check_nexthop "id 101" "id 101 group 61"
512 # delete nexthop group
513 run_cmd "$IP nexthop del id 101"
514 log_test $? 0 "Delete nexthop group by id"
515 check_nexthop "id 101" ""
517 $IP nexthop flush >/dev/null 2>&1
518 check_nexthop "id 101" ""
521 # create group with multiple nexthops - mix of gw and dev only
523 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
524 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
525 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
526 run_cmd "$IP nexthop add id 65 dev veth1"
527 run_cmd "$IP nexthop add id 102 group 62/63/64/65"
528 log_test $? 0 "Nexthop group with multiple nexthops"
529 check_nexthop "id 102" "id 102 group 62/63/64/65"
531 # Delete nexthop in a group and group is updated
532 run_cmd "$IP nexthop del id 63"
533 check_nexthop "id 102" "id 102 group 62/64/65"
534 log_test $? 0 "Nexthop group updated when entry is deleted"
536 # create group with multiple weighted nexthops
537 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
538 run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4"
539 log_test $? 0 "Nexthop group with weighted nexthops"
540 check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4"
542 # Delete nexthop in a weighted group and group is updated
543 run_cmd "$IP nexthop del id 63"
544 check_nexthop "id 103" "id 103 group 62/64,3/65,4"
545 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
547 # admin down - nexthop is removed from group
548 run_cmd "$IP li set dev veth1 down"
549 check_nexthop "dev veth1" ""
550 log_test $? 0 "Nexthops in groups removed on admin down"
552 # expect groups to have been deleted as well
555 run_cmd "$IP li set dev veth1 up"
557 $IP nexthop flush >/dev/null 2>&1
559 # group with nexthops using different devices
561 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
562 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
563 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
564 run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
566 run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3"
567 run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3"
568 run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3"
569 run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3"
572 # multiple groups with same nexthop
573 run_cmd "$IP nexthop add id 104 group 62"
574 run_cmd "$IP nexthop add id 105 group 62"
575 check_nexthop "group" "id 104 group 62 id 105 group 62"
576 log_test $? 0 "Multiple groups with same nexthop"
578 run_cmd "$IP nexthop flush groups"
579 [ $? -ne 0 ] && return 1
581 # on admin down of veth1, it should be removed from the group
582 run_cmd "$IP nexthop add id 105 group 62/63/72/73/64"
583 run_cmd "$IP li set veth1 down"
584 check_nexthop "id 105" "id 105 group 72/73"
585 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
587 run_cmd "$IP nexthop add id 106 group 105/74"
588 log_test $? 2 "Nexthop group can not have a group as an entry"
590 # a group can have a blackhole entry only if it is the only
591 # nexthop in the group. Needed for atomic replace with an
592 # actual nexthop group
593 run_cmd "$IP -6 nexthop add id 31 blackhole"
594 run_cmd "$IP nexthop add id 107 group 31"
595 log_test $? 0 "Nexthop group with a blackhole entry"
597 run_cmd "$IP nexthop add id 108 group 31/24"
598 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
606 echo "IPv6 functional runtime"
607 echo "-----------------------"
612 run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1"
613 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
614 log_test $? 0 "Route add"
616 run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81"
617 log_test $? 0 "Route delete"
619 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
620 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
621 log_test $? 0 "Ping with nexthop"
623 run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
624 run_cmd "$IP nexthop add id 122 group 81/82"
625 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
626 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
627 log_test $? 0 "Ping - multipath"
630 # IPv6 with blackhole nexthops
632 run_cmd "$IP -6 nexthop add id 83 blackhole"
633 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
634 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
635 log_test $? 2 "Ping - blackhole"
637 run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
638 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
639 log_test $? 0 "Ping - blackhole replaced with gateway"
641 run_cmd "$IP -6 nexthop replace id 83 blackhole"
642 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
643 log_test $? 2 "Ping - gateway replaced by blackhole"
645 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
646 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
647 if [ $? -eq 0 ]; then
648 run_cmd "$IP nexthop replace id 122 group 83"
649 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
650 log_test $? 2 "Ping - group with blackhole"
652 run_cmd "$IP nexthop replace id 122 group 81/82"
653 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
654 log_test $? 0 "Ping - group blackhole replaced with gateways"
656 log_test 2 0 "Ping - multipath failed"
660 # device only and gw + dev only mix
662 run_cmd "$IP -6 nexthop add id 85 dev veth1"
663 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
664 log_test $? 0 "IPv6 route with device only nexthop"
665 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024"
667 run_cmd "$IP nexthop add id 123 group 81/85"
668 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
669 log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
670 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1"
673 # IPv6 route with v4 nexthop - not allowed
675 run_cmd "$IP ro delete 2001:db8:101::1/128"
676 run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1"
677 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84"
678 log_test $? 2 "IPv6 route can not have a v4 gateway"
680 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81"
681 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
682 log_test $? 2 "Nexthop replace - v6 route, v4 nexthop"
684 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
685 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
686 log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop"
688 $IP nexthop flush >/dev/null 2>&1
693 run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
694 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
697 # existing route with old nexthop; append route with new nexthop
698 # existing route with old nexthop; replace route with new
699 # existing route with new nexthop; replace route with old
700 # route with src address and using nexthop - not allowed
708 echo "IPv4 functional"
709 echo "----------------------"
712 # basic IPv4 ops - add, get, delete
714 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
716 log_test $rc 0 "Create nexthop with id, gw, dev"
717 if [ $rc -ne 0 ]; then
718 echo "Basic IPv4 create fails; can not continue"
722 run_cmd "$IP nexthop get id 12"
723 log_test $? 0 "Get nexthop by id"
724 check_nexthop "id 12" "id 12 via 172.16.1.2 dev veth1 scope link"
726 run_cmd "$IP nexthop del id 12"
727 log_test $? 0 "Delete nexthop by id"
728 check_nexthop "id 52" ""
733 # gw validation, no device - fails since dev is required
734 run_cmd "$IP nexthop add id 12 via 172.16.2.3"
735 log_test $? 2 "Create nexthop - gw only"
737 # gw not reachable through given dev
738 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1"
739 log_test $? 2 "Create nexthop - invalid gw+dev combination"
741 # onlink flag overrides gw+dev lookup
742 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink"
743 log_test $? 0 "Create nexthop - gw+dev and onlink"
745 # admin down should delete nexthops
747 run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1"
748 run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1"
749 run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1"
750 run_cmd "$IP li set dev veth1 down"
752 check_nexthop "dev veth1" ""
753 log_test $? 0 "Nexthops removed on admin down"
761 echo "IPv4 groups functional"
762 echo "----------------------"
764 # basic functionality: create a nexthop group, default weight
765 run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1"
766 run_cmd "$IP nexthop add id 101 group 11"
767 log_test $? 0 "Create nexthop group with single nexthop"
770 run_cmd "$IP nexthop get id 101"
771 log_test $? 0 "Get nexthop group by id"
772 check_nexthop "id 101" "id 101 group 11"
774 # delete nexthop group
775 run_cmd "$IP nexthop del id 101"
776 log_test $? 0 "Delete nexthop group by id"
777 check_nexthop "id 101" ""
779 $IP nexthop flush >/dev/null 2>&1
782 # create group with multiple nexthops
783 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
784 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
785 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
786 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
787 run_cmd "$IP nexthop add id 102 group 12/13/14/15"
788 log_test $? 0 "Nexthop group with multiple nexthops"
789 check_nexthop "id 102" "id 102 group 12/13/14/15"
791 # Delete nexthop in a group and group is updated
792 run_cmd "$IP nexthop del id 13"
793 check_nexthop "id 102" "id 102 group 12/14/15"
794 log_test $? 0 "Nexthop group updated when entry is deleted"
796 # create group with multiple weighted nexthops
797 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
798 run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4"
799 log_test $? 0 "Nexthop group with weighted nexthops"
800 check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4"
802 # Delete nexthop in a weighted group and group is updated
803 run_cmd "$IP nexthop del id 13"
804 check_nexthop "id 103" "id 103 group 12/14,3/15,4"
805 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
807 # admin down - nexthop is removed from group
808 run_cmd "$IP li set dev veth1 down"
809 check_nexthop "dev veth1" ""
810 log_test $? 0 "Nexthops in groups removed on admin down"
812 # expect groups to have been deleted as well
815 run_cmd "$IP li set dev veth1 up"
817 $IP nexthop flush >/dev/null 2>&1
819 # group with nexthops using different devices
821 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
822 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
823 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
824 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
826 run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3"
827 run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3"
828 run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3"
829 run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3"
832 # multiple groups with same nexthop
833 run_cmd "$IP nexthop add id 104 group 12"
834 run_cmd "$IP nexthop add id 105 group 12"
835 check_nexthop "group" "id 104 group 12 id 105 group 12"
836 log_test $? 0 "Multiple groups with same nexthop"
838 run_cmd "$IP nexthop flush groups"
839 [ $? -ne 0 ] && return 1
841 # on admin down of veth1, it should be removed from the group
842 run_cmd "$IP nexthop add id 105 group 12/13/22/23/14"
843 run_cmd "$IP li set veth1 down"
844 check_nexthop "id 105" "id 105 group 22/23"
845 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
847 run_cmd "$IP nexthop add id 106 group 105/24"
848 log_test $? 2 "Nexthop group can not have a group as an entry"
850 # a group can have a blackhole entry only if it is the only
851 # nexthop in the group. Needed for atomic replace with an
852 # actual nexthop group
853 run_cmd "$IP nexthop add id 31 blackhole"
854 run_cmd "$IP nexthop add id 107 group 31"
855 log_test $? 0 "Nexthop group with a blackhole entry"
857 run_cmd "$IP nexthop add id 108 group 31/24"
858 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
866 lladdr=$(get_linklocal veth2 peer)
867 run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
869 run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
870 log_test $? 0 "IPv6 nexthop with IPv4 route"
871 check_route "172.16.101.1" "172.16.101.1 nhid 11 via inet6 ${lladdr} dev veth1"
874 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
875 run_cmd "$IP nexthop add id 101 group 11/12"
877 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
878 log_test $? 0 "IPv6 nexthop with IPv4 route"
880 check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
882 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
883 log_test $? 0 "IPv4 route with IPv6 gateway"
884 check_route "172.16.101.1" "172.16.101.1 via inet6 ${lladdr} dev veth1"
886 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
887 log_test $? 2 "IPv4 route with invalid IPv6 gateway"
896 echo "IPv4 functional runtime"
897 echo "-----------------------"
899 run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
900 run_cmd "$IP ro add 172.16.101.1/32 nhid 21"
901 log_test $? 0 "Route add"
902 check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1"
904 run_cmd "$IP ro delete 172.16.101.1/32 nhid 21"
905 log_test $? 0 "Route delete"
910 run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
911 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
912 log_test $? 2 "Route add - scope conflict with nexthop"
914 run_cmd "$IP nexthop replace id 22 dev veth3"
915 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
916 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
917 log_test $? 2 "Nexthop replace with invalid scope for existing route"
920 # add route with nexthop and check traffic
922 run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
923 run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
924 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
925 log_test $? 0 "Basic ping"
927 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
928 run_cmd "$IP nexthop add id 122 group 21/22"
929 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
930 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
931 log_test $? 0 "Ping - multipath"
933 run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
936 # multiple default routes
937 # - tests fib_select_default
938 run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
939 run_cmd "$IP ro add default nhid 501"
940 run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
941 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
942 log_test $? 0 "Ping - multiple default routes, nh first"
945 run_cmd "$IP ro del default nhid 501"
946 run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20"
947 run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
948 run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
949 run_cmd "$IP ro add default nhid 501 metric 20"
950 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
951 log_test $? 0 "Ping - multiple default routes, nh second"
953 run_cmd "$IP nexthop delete nhid 501"
954 run_cmd "$IP ro del default"
957 # IPv4 with blackhole nexthops
959 run_cmd "$IP nexthop add id 23 blackhole"
960 run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
961 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
962 log_test $? 2 "Ping - blackhole"
964 run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
965 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
966 log_test $? 0 "Ping - blackhole replaced with gateway"
968 run_cmd "$IP nexthop replace id 23 blackhole"
969 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
970 log_test $? 2 "Ping - gateway replaced by blackhole"
972 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
973 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
974 if [ $? -eq 0 ]; then
975 run_cmd "$IP nexthop replace id 122 group 23"
976 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
977 log_test $? 2 "Ping - group with blackhole"
979 run_cmd "$IP nexthop replace id 122 group 21/22"
980 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
981 log_test $? 0 "Ping - group blackhole replaced with gateways"
983 log_test 2 0 "Ping - multipath failed"
987 # device only and gw + dev only mix
989 run_cmd "$IP nexthop add id 85 dev veth1"
990 run_cmd "$IP ro replace 172.16.101.1/32 nhid 85"
991 log_test $? 0 "IPv4 route with device only nexthop"
992 check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
994 run_cmd "$IP nexthop add id 123 group 21/85"
995 run_cmd "$IP ro replace 172.16.101.1/32 nhid 123"
996 log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
997 check_route "172.16.101.1" "172.16.101.1 nhid 123 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop dev veth1 weight 1"
1003 lladdr=$(get_linklocal veth2 peer)
1004 run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
1006 run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
1007 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1008 log_test $? 0 "IPv6 nexthop with IPv4 route"
1010 $IP neigh sh | grep -q "${lladdr} dev veth1"
1011 if [ $? -eq 1 ]; then
1012 echo " WARNING: Neigh entry missing for ${lladdr}"
1013 $IP neigh sh | grep 'dev veth1'
1016 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
1017 if [ $? -eq 0 ]; then
1018 echo " WARNING: Neigh entry exists for 172.16.101.1"
1019 $IP neigh sh | grep 'dev veth1'
1023 run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1"
1024 run_cmd "$IP nexthop add id 101 group 24/25"
1026 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
1027 log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
1029 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"
1031 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1032 log_test $? 0 "IPv6 nexthop with IPv4 route"
1034 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
1035 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1036 log_test $? 0 "IPv4 route with IPv6 gateway"
1038 $IP neigh sh | grep -q "${lladdr} dev veth1"
1039 if [ $? -eq 1 ]; then
1040 echo " WARNING: Neigh entry missing for ${lladdr}"
1041 $IP neigh sh | grep 'dev veth1'
1044 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
1045 if [ $? -eq 0 ]; then
1046 echo " WARNING: Neigh entry exists for 172.16.101.1"
1047 $IP neigh sh | grep 'dev veth1'
1050 run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
1051 run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1"
1052 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1053 log_test $? 0 "IPv4 default route with IPv6 gateway"
1056 # MPLS as an example of LWT encap
1058 run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1"
1059 log_test $? 0 "IPv4 route with MPLS encap"
1060 check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link"
1061 log_test $? 0 "IPv4 route with MPLS encap - check"
1063 run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1"
1064 log_test $? 0 "IPv4 route with MPLS encap and v6 gateway"
1065 check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope link"
1066 log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
1069 sysctl_nexthop_compat_mode_check()
1071 local sysctlname="net.ipv4.nexthop_compat_mode"
1074 IPE="ip netns exec me"
1076 $IPE sysctl -q $sysctlname 2>&1 >/dev/null
1077 if [ $? -ne 0 ]; then
1078 echo "SKIP: kernel lacks nexthop compat mode sysctl control"
1082 out=$($IPE sysctl $sysctlname 2>/dev/null)
1083 log_test $? 0 "$lprefix default nexthop compat mode check"
1084 check_output "${out}" "$sysctlname = 1"
1087 sysctl_nexthop_compat_mode_set()
1089 local sysctlname="net.ipv4.nexthop_compat_mode"
1093 IPE="ip netns exec me"
1095 out=$($IPE sysctl -w $sysctlname=$mode)
1096 log_test $? 0 "$lprefix set compat mode - $mode"
1097 check_output "${out}" "net.ipv4.nexthop_compat_mode = $mode"
1105 echo "IPv6 nexthop api compat mode test"
1106 echo "--------------------------------"
1108 sysctl_nexthop_compat_mode_check "IPv6"
1109 if [ $? -eq $ksft_skip ]; then
1113 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
1114 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
1115 run_cmd "$IP nexthop add id 122 group 62/63"
1116 ipmout=$(start_ip_monitor route)
1118 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
1119 # route add notification should contain expanded nexthops
1120 stop_ip_monitor $ipmout 3
1121 log_test $? 0 "IPv6 compat mode on - route add notification"
1123 # route dump should contain expanded nexthops
1124 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop via 2001:db8:91::3 dev veth1 weight 1"
1125 log_test $? 0 "IPv6 compat mode on - route dump"
1127 # change in nexthop group should generate route notification
1128 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
1129 ipmout=$(start_ip_monitor route)
1130 run_cmd "$IP nexthop replace id 122 group 62/64"
1131 stop_ip_monitor $ipmout 3
1133 log_test $? 0 "IPv6 compat mode on - nexthop change"
1135 # set compat mode off
1136 sysctl_nexthop_compat_mode_set 0 "IPv6"
1138 run_cmd "$IP -6 ro del 2001:db8:101::1/128 nhid 122"
1140 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
1141 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
1142 run_cmd "$IP nexthop add id 122 group 62/63"
1143 ipmout=$(start_ip_monitor route)
1145 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
1146 # route add notification should not contain expanded nexthops
1147 stop_ip_monitor $ipmout 1
1148 log_test $? 0 "IPv6 compat mode off - route add notification"
1150 # route dump should not contain expanded nexthops
1151 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024"
1152 log_test $? 0 "IPv6 compat mode off - route dump"
1154 # change in nexthop group should not generate route notification
1155 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
1156 ipmout=$(start_ip_monitor route)
1157 run_cmd "$IP nexthop replace id 122 group 62/64"
1158 stop_ip_monitor $ipmout 0
1159 log_test $? 0 "IPv6 compat mode off - nexthop change"
1161 # nexthop delete should not generate route notification
1162 ipmout=$(start_ip_monitor route)
1163 run_cmd "$IP nexthop del id 122"
1164 stop_ip_monitor $ipmout 0
1165 log_test $? 0 "IPv6 compat mode off - nexthop delete"
1167 # set compat mode back on
1168 sysctl_nexthop_compat_mode_set 1 "IPv6"
1176 echo "IPv4 nexthop api compat mode"
1177 echo "----------------------------"
1179 sysctl_nexthop_compat_mode_check "IPv4"
1180 if [ $? -eq $ksft_skip ]; then
1184 run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
1185 run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
1186 run_cmd "$IP nexthop add id 122 group 21/22"
1187 ipmout=$(start_ip_monitor route)
1189 run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
1190 stop_ip_monitor $ipmout 3
1192 # route add notification should contain expanded nexthops
1193 log_test $? 0 "IPv4 compat mode on - route add notification"
1195 # route dump should contain expanded nexthops
1196 check_route "172.16.101.1" "172.16.101.1 nhid 122 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
1197 log_test $? 0 "IPv4 compat mode on - route dump"
1199 # change in nexthop group should generate route notification
1200 run_cmd "$IP nexthop add id 23 via 172.16.1.3 dev veth1"
1201 ipmout=$(start_ip_monitor route)
1202 run_cmd "$IP nexthop replace id 122 group 21/23"
1203 stop_ip_monitor $ipmout 3
1204 log_test $? 0 "IPv4 compat mode on - nexthop change"
1206 sysctl_nexthop_compat_mode_set 0 "IPv4"
1209 run_cmd "$IP ro del 172.16.101.1/32 nhid 122"
1211 ipmout=$(start_ip_monitor route)
1212 run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
1213 stop_ip_monitor $ipmout 1
1214 # route add notification should not contain expanded nexthops
1215 log_test $? 0 "IPv4 compat mode off - route add notification"
1217 # route dump should not contain expanded nexthops
1218 check_route "172.16.101.1" "172.16.101.1 nhid 122"
1219 log_test $? 0 "IPv4 compat mode off - route dump"
1221 # change in nexthop group should not generate route notification
1222 ipmout=$(start_ip_monitor route)
1223 run_cmd "$IP nexthop replace id 122 group 21/22"
1224 stop_ip_monitor $ipmout 0
1225 log_test $? 0 "IPv4 compat mode off - nexthop change"
1227 # nexthop delete should not generate route notification
1228 ipmout=$(start_ip_monitor route)
1229 run_cmd "$IP nexthop del id 122"
1230 stop_ip_monitor $ipmout 0
1231 log_test $? 0 "IPv4 compat mode off - nexthop delete"
1233 sysctl_nexthop_compat_mode_set 1 "IPv4"
1239 echo "Basic functional tests"
1240 echo "----------------------"
1241 run_cmd "$IP nexthop ls"
1242 log_test $? 0 "List with nothing defined"
1244 run_cmd "$IP nexthop get id 1"
1245 log_test $? 2 "Nexthop get on non-existent id"
1247 # attempt to create nh without a device or gw - fails
1248 run_cmd "$IP nexthop add id 1"
1249 log_test $? 2 "Nexthop with no device or gateway"
1251 # attempt to create nh with down device - fails
1252 $IP li set veth1 down
1253 run_cmd "$IP nexthop add id 1 dev veth1"
1254 log_test $? 2 "Nexthop with down device"
1256 # create nh with linkdown device - fails
1258 ip -netns peer li set veth2 down
1259 run_cmd "$IP nexthop add id 1 dev veth1"
1260 log_test $? 2 "Nexthop with device that is linkdown"
1261 ip -netns peer li set veth2 up
1264 run_cmd "$IP nexthop add id 1 dev veth1"
1265 log_test $? 0 "Nexthop with device only"
1267 # create nh with duplicate id
1268 run_cmd "$IP nexthop add id 1 dev veth3"
1269 log_test $? 2 "Nexthop with duplicate id"
1272 run_cmd "$IP nexthop add id 2 blackhole"
1273 log_test $? 0 "Blackhole nexthop"
1275 # blackhole nexthop can not have other specs
1276 run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
1277 log_test $? 2 "Blackhole nexthop with other attributes"
1283 run_cmd "$IP nexthop add id 101 group 1"
1284 log_test $? 0 "Create group"
1286 run_cmd "$IP nexthop add id 102 group 2"
1287 log_test $? 0 "Create group with blackhole nexthop"
1289 # multipath group can not have a blackhole as 1 path
1290 run_cmd "$IP nexthop add id 103 group 1/2"
1291 log_test $? 2 "Create multipath group where 1 path is a blackhole"
1293 # multipath group can not have a member replaced by a blackhole
1294 run_cmd "$IP nexthop replace id 2 dev veth3"
1295 run_cmd "$IP nexthop replace id 102 group 1/2"
1296 run_cmd "$IP nexthop replace id 2 blackhole"
1297 log_test $? 2 "Multipath group can not have a member replaced by blackhole"
1299 # attempt to create group with non-existent nexthop
1300 run_cmd "$IP nexthop add id 103 group 12"
1301 log_test $? 2 "Create group with non-existent nexthop"
1303 # attempt to create group with same nexthop
1304 run_cmd "$IP nexthop add id 103 group 1/1"
1305 log_test $? 2 "Create group with same nexthop multiple times"
1307 # replace nexthop with a group - fails
1308 run_cmd "$IP nexthop replace id 2 group 1"
1309 log_test $? 2 "Replace nexthop with nexthop group"
1311 # replace nexthop group with a nexthop - fails
1312 run_cmd "$IP nexthop replace id 101 dev veth1"
1313 log_test $? 2 "Replace nexthop group with nexthop"
1315 # nexthop group with other attributes fail
1316 run_cmd "$IP nexthop add id 104 group 1 dev veth1"
1317 log_test $? 2 "Nexthop group and device"
1319 # Tests to ensure that flushing works as expected.
1320 run_cmd "$IP nexthop add id 105 blackhole proto 99"
1321 run_cmd "$IP nexthop add id 106 blackhole proto 100"
1322 run_cmd "$IP nexthop add id 107 blackhole proto 99"
1323 run_cmd "$IP nexthop flush proto 99"
1324 check_nexthop "id 105" ""
1325 check_nexthop "id 106" "id 106 blackhole proto 100"
1326 check_nexthop "id 107" ""
1327 run_cmd "$IP nexthop flush proto 100"
1328 check_nexthop "id 106" ""
1330 run_cmd "$IP nexthop flush proto 100"
1331 log_test $? 0 "Test proto flush"
1333 run_cmd "$IP nexthop add id 104 group 1 blackhole"
1334 log_test $? 2 "Nexthop group and blackhole"
1336 $IP nexthop flush >/dev/null 2>&1
1339 ################################################################################
1345 usage: ${0##*/} OPTS
1347 -t <test> Test(s) to run (default: all)
1348 (options: $ALL_TESTS)
1352 -P Pause after each test before cleanup
1353 -v verbose mode (show commands and output)
1356 -n num Number of nexthops to target
1357 -N Use new style to install routes in DUT
1363 ################################################################################
1366 while getopts :t:pP46hv o
1370 4) TESTS=${IPV4_TESTS};;
1371 6) TESTS=${IPV6_TESTS};;
1372 p) PAUSE_ON_FAIL=yes;;
1374 v) VERBOSE=$(($VERBOSE + 1));;
1380 # make sure we don't pause twice
1381 [ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
1383 if [ "$(id -u)" -ne 0 ];then
1384 echo "SKIP: Need root privileges"
1388 if [ ! -x "$(command -v ip)" ]; then
1389 echo "SKIP: Could not run test without ip tool"
1393 ip help 2>&1 | grep -q nexthop
1394 if [ $? -ne 0 ]; then
1395 echo "SKIP: iproute2 too old, missing nexthop command"
1399 out=$(ip nexthop ls 2>&1 | grep -q "Operation not supported")
1400 if [ $? -eq 0 ]; then
1401 echo "SKIP: kernel lacks nexthop support"
1408 none) IP="ip -netns peer"; setup; exit 0;;
1409 *) setup; $t; cleanup;;
1413 if [ "$TESTS" != "none" ]; then
1414 printf "\nTests passed: %3d\n" ${nsuccess}
1415 printf "Tests failed: %3d\n" ${nfail}