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_large_grp ipv4_compat_mode ipv4_fdb_grp_fcnal ipv4_torture"
23 IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_compat_mode ipv6_fdb_grp_fcnal ipv6_torture"
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}"
263 local grpidstart=1000
270 if [ $ipv -eq 4 ]; then
273 ipstr="2001:db8:91::"
277 # Create $grpnum groups with specified $ecmp and dump them
280 # create nexthops with different gateways
282 while [ $iter -le $(($ecmp + 1)) ]
284 nhidstr="$(($nhidstart + $iter))"
285 run_cmd "$IP nexthop add id $nhidstr via $ipstr$iter dev veth1"
286 check_nexthop "id $nhidstr" "id $nhidstr via $ipstr$iter dev veth1 scope link"
288 if [ $iter -le $ecmp ]; then
296 # create duplicate large ecmp groups
298 while [ $iter -le $grpnum ]
300 grpidstr="$(($grpidstart + $iter))"
301 run_cmd "$IP nexthop add id $grpidstr group $grpstr"
302 check_nexthop "id $grpidstr" "id $grpidstr group $grpstr"
307 run_cmd "$IP nexthop list"
308 log_test $? 0 "Dump large (x$ecmp) ecmp groups"
315 # start the monitor in the background
316 tmpfile=`mktemp /var/run/nexthoptestXXX`
317 mpid=`($IP monitor $mtype > $tmpfile & echo $!) 2>/dev/null`
319 echo "$mpid $tmpfile"
328 # check the monitor results
330 lines=`wc -l $tmpfile | cut "-d " -f1`
338 check_nexthop_fdb_support()
340 $IP nexthop help 2>&1 | grep -q fdb
341 if [ $? -ne 0 ]; then
342 echo "SKIP: iproute2 too old, missing fdb nexthop support"
352 echo "IPv6 fdb groups functional"
353 echo "--------------------------"
355 check_nexthop_fdb_support
356 if [ $? -eq $ksft_skip ]; then
360 # create group with multiple nexthops
361 run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb"
362 run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb"
363 run_cmd "$IP nexthop add id 102 group 61/62 fdb"
364 check_nexthop "id 102" "id 102 group 61/62 fdb"
365 log_test $? 0 "Fdb Nexthop group with multiple nexthops"
368 run_cmd "$IP nexthop get id 102"
369 check_nexthop "id 102" "id 102 group 61/62 fdb"
370 log_test $? 0 "Get Fdb nexthop group by id"
372 # fdb nexthop group can only contain fdb nexthops
373 run_cmd "$IP nexthop add id 63 via 2001:db8:91::4"
374 run_cmd "$IP nexthop add id 64 via 2001:db8:91::5"
375 run_cmd "$IP nexthop add id 103 group 63/64 fdb"
376 log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
378 # Non fdb nexthop group can not contain fdb nexthops
379 run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb"
380 run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb"
381 run_cmd "$IP nexthop add id 104 group 65/66"
382 log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
384 # fdb nexthop cannot have blackhole
385 run_cmd "$IP nexthop add id 67 blackhole fdb"
386 log_test $? 2 "Fdb Nexthop with blackhole"
388 # fdb nexthop with oif
389 run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb"
390 log_test $? 2 "Fdb Nexthop with oif"
392 # fdb nexthop with onlink
393 run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb"
394 log_test $? 2 "Fdb Nexthop with onlink"
396 # fdb nexthop with encap
397 run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb"
398 log_test $? 2 "Fdb Nexthop with encap"
400 run_cmd "$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"
401 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
402 log_test $? 0 "Fdb mac add with nexthop group"
404 ## fdb nexthops can only reference nexthop groups and not nexthops
405 run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self"
406 log_test $? 255 "Fdb mac add with nexthop"
408 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66"
409 log_test $? 2 "Route add with fdb nexthop"
411 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
412 log_test $? 2 "Route add with fdb nexthop group"
414 run_cmd "$IP nexthop del id 61"
415 run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
416 log_test $? 0 "Fdb entry after deleting a single nexthop"
418 run_cmd "$IP nexthop del id 102"
419 log_test $? 0 "Fdb nexthop delete"
421 run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
422 log_test $? 254 "Fdb entry after deleting a nexthop group"
424 $IP link del dev vx10
432 echo "IPv4 fdb groups functional"
433 echo "--------------------------"
435 check_nexthop_fdb_support
436 if [ $? -eq $ksft_skip ]; then
440 # create group with multiple nexthops
441 run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb"
442 run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb"
443 run_cmd "$IP nexthop add id 102 group 12/13 fdb"
444 check_nexthop "id 102" "id 102 group 12/13 fdb"
445 log_test $? 0 "Fdb Nexthop group with multiple nexthops"
448 run_cmd "$IP nexthop get id 102"
449 check_nexthop "id 102" "id 102 group 12/13 fdb"
450 log_test $? 0 "Get Fdb nexthop group by id"
452 # fdb nexthop group can only contain fdb nexthops
453 run_cmd "$IP nexthop add id 14 via 172.16.1.2"
454 run_cmd "$IP nexthop add id 15 via 172.16.1.3"
455 run_cmd "$IP nexthop add id 103 group 14/15 fdb"
456 log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
458 # Non fdb nexthop group can not contain fdb nexthops
459 run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb"
460 run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb"
461 run_cmd "$IP nexthop add id 104 group 14/15"
462 log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
464 # fdb nexthop cannot have blackhole
465 run_cmd "$IP nexthop add id 18 blackhole fdb"
466 log_test $? 2 "Fdb Nexthop with blackhole"
468 # fdb nexthop with oif
469 run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb"
470 log_test $? 2 "Fdb Nexthop with oif"
472 # fdb nexthop with onlink
473 run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb"
474 log_test $? 2 "Fdb Nexthop with onlink"
476 # fdb nexthop with encap
477 run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb"
478 log_test $? 2 "Fdb Nexthop with encap"
480 run_cmd "$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"
481 run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
482 log_test $? 0 "Fdb mac add with nexthop group"
484 # fdb nexthops can only reference nexthop groups and not nexthops
485 run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self"
486 log_test $? 255 "Fdb mac add with nexthop"
488 run_cmd "$IP ro add 172.16.0.0/22 nhid 15"
489 log_test $? 2 "Route add with fdb nexthop"
491 run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
492 log_test $? 2 "Route add with fdb nexthop group"
494 run_cmd "$IP nexthop del id 12"
495 run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
496 log_test $? 0 "Fdb entry after deleting a single nexthop"
498 run_cmd "$IP nexthop del id 102"
499 log_test $? 0 "Fdb nexthop delete"
501 run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
502 log_test $? 254 "Fdb entry after deleting a nexthop group"
504 $IP link del dev vx10
507 ################################################################################
508 # basic operations (add, delete, replace) on nexthops and nexthop groups
518 echo "----------------------"
520 run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1"
522 log_test $rc 0 "Create nexthop with id, gw, dev"
523 if [ $rc -ne 0 ]; then
524 echo "Basic IPv6 create fails; can not continue"
528 run_cmd "$IP nexthop get id 52"
529 log_test $? 0 "Get nexthop by id"
530 check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1 scope link"
532 run_cmd "$IP nexthop del id 52"
533 log_test $? 0 "Delete nexthop by id"
534 check_nexthop "id 52" ""
539 # gw validation, no device - fails since dev required
540 run_cmd "$IP nexthop add id 52 via 2001:db8:92::3"
541 log_test $? 2 "Create nexthop - gw only"
543 # gw is not reachable throught given dev
544 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1"
545 log_test $? 2 "Create nexthop - invalid gw+dev combination"
547 # onlink arg overrides gw+dev lookup
548 run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink"
549 log_test $? 0 "Create nexthop - gw+dev and onlink"
551 # admin down should delete nexthops
553 run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1"
554 run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1"
555 run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1"
556 run_cmd "$IP li set dev veth1 down"
558 check_nexthop "dev veth1" ""
559 log_test $? 0 "Nexthops removed on admin down"
567 echo "IPv6 groups functional"
568 echo "----------------------"
570 # basic functionality: create a nexthop group, default weight
571 run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1"
572 run_cmd "$IP nexthop add id 101 group 61"
573 log_test $? 0 "Create nexthop group with single nexthop"
576 run_cmd "$IP nexthop get id 101"
577 log_test $? 0 "Get nexthop group by id"
578 check_nexthop "id 101" "id 101 group 61"
580 # delete nexthop group
581 run_cmd "$IP nexthop del id 101"
582 log_test $? 0 "Delete nexthop group by id"
583 check_nexthop "id 101" ""
585 $IP nexthop flush >/dev/null 2>&1
586 check_nexthop "id 101" ""
589 # create group with multiple nexthops - mix of gw and dev only
591 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
592 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
593 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
594 run_cmd "$IP nexthop add id 65 dev veth1"
595 run_cmd "$IP nexthop add id 102 group 62/63/64/65"
596 log_test $? 0 "Nexthop group with multiple nexthops"
597 check_nexthop "id 102" "id 102 group 62/63/64/65"
599 # Delete nexthop in a group and group is updated
600 run_cmd "$IP nexthop del id 63"
601 check_nexthop "id 102" "id 102 group 62/64/65"
602 log_test $? 0 "Nexthop group updated when entry is deleted"
604 # create group with multiple weighted nexthops
605 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
606 run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4"
607 log_test $? 0 "Nexthop group with weighted nexthops"
608 check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4"
610 # Delete nexthop in a weighted group and group is updated
611 run_cmd "$IP nexthop del id 63"
612 check_nexthop "id 103" "id 103 group 62/64,3/65,4"
613 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
615 # admin down - nexthop is removed from group
616 run_cmd "$IP li set dev veth1 down"
617 check_nexthop "dev veth1" ""
618 log_test $? 0 "Nexthops in groups removed on admin down"
620 # expect groups to have been deleted as well
623 run_cmd "$IP li set dev veth1 up"
625 $IP nexthop flush >/dev/null 2>&1
627 # group with nexthops using different devices
629 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
630 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
631 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
632 run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
634 run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3"
635 run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3"
636 run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3"
637 run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3"
640 # multiple groups with same nexthop
641 run_cmd "$IP nexthop add id 104 group 62"
642 run_cmd "$IP nexthop add id 105 group 62"
643 check_nexthop "group" "id 104 group 62 id 105 group 62"
644 log_test $? 0 "Multiple groups with same nexthop"
646 run_cmd "$IP nexthop flush groups"
647 [ $? -ne 0 ] && return 1
649 # on admin down of veth1, it should be removed from the group
650 run_cmd "$IP nexthop add id 105 group 62/63/72/73/64"
651 run_cmd "$IP li set veth1 down"
652 check_nexthop "id 105" "id 105 group 72/73"
653 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
655 run_cmd "$IP nexthop add id 106 group 105/74"
656 log_test $? 2 "Nexthop group can not have a group as an entry"
658 # a group can have a blackhole entry only if it is the only
659 # nexthop in the group. Needed for atomic replace with an
660 # actual nexthop group
661 run_cmd "$IP -6 nexthop add id 31 blackhole"
662 run_cmd "$IP nexthop add id 107 group 31"
663 log_test $? 0 "Nexthop group with a blackhole entry"
665 run_cmd "$IP nexthop add id 108 group 31/24"
666 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
674 echo "IPv6 functional runtime"
675 echo "-----------------------"
680 run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1"
681 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
682 log_test $? 0 "Route add"
684 run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81"
685 log_test $? 0 "Route delete"
687 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
688 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
689 log_test $? 0 "Ping with nexthop"
691 run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
692 run_cmd "$IP nexthop add id 122 group 81/82"
693 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
694 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
695 log_test $? 0 "Ping - multipath"
698 # IPv6 with blackhole nexthops
700 run_cmd "$IP -6 nexthop add id 83 blackhole"
701 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
702 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
703 log_test $? 2 "Ping - blackhole"
705 run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
706 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
707 log_test $? 0 "Ping - blackhole replaced with gateway"
709 run_cmd "$IP -6 nexthop replace id 83 blackhole"
710 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
711 log_test $? 2 "Ping - gateway replaced by blackhole"
713 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
714 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
715 if [ $? -eq 0 ]; then
716 run_cmd "$IP nexthop replace id 122 group 83"
717 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
718 log_test $? 2 "Ping - group with blackhole"
720 run_cmd "$IP nexthop replace id 122 group 81/82"
721 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
722 log_test $? 0 "Ping - group blackhole replaced with gateways"
724 log_test 2 0 "Ping - multipath failed"
728 # device only and gw + dev only mix
730 run_cmd "$IP -6 nexthop add id 85 dev veth1"
731 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
732 log_test $? 0 "IPv6 route with device only nexthop"
733 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024"
735 run_cmd "$IP nexthop add id 123 group 81/85"
736 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
737 log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
738 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1"
741 # IPv6 route with v4 nexthop - not allowed
743 run_cmd "$IP ro delete 2001:db8:101::1/128"
744 run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1"
745 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84"
746 log_test $? 2 "IPv6 route can not have a v4 gateway"
748 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81"
749 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
750 log_test $? 2 "Nexthop replace - v6 route, v4 nexthop"
752 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
753 run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
754 log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop"
756 run_cmd "$IP nexthop add id 86 via 2001:db8:92::2 dev veth3"
757 run_cmd "$IP nexthop add id 87 via 172.16.1.1 dev veth1"
758 run_cmd "$IP nexthop add id 88 via 172.16.1.1 dev veth1"
759 run_cmd "$IP nexthop add id 124 group 86/87/88"
760 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
761 log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways"
763 run_cmd "$IP nexthop del id 88"
764 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
765 log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways"
767 run_cmd "$IP nexthop del id 87"
768 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
769 log_test $? 0 "IPv6 route using a group after removing v4 gateways"
771 run_cmd "$IP ro delete 2001:db8:101::1/128"
772 run_cmd "$IP nexthop add id 87 via 172.16.1.1 dev veth1"
773 run_cmd "$IP nexthop add id 88 via 172.16.1.1 dev veth1"
774 run_cmd "$IP nexthop replace id 124 group 86/87/88"
775 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
776 log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways"
778 run_cmd "$IP nexthop replace id 88 via 2001:db8:92::2 dev veth3"
779 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
780 log_test $? 2 "IPv6 route can not have a group with v4 and v6 gateways"
782 run_cmd "$IP nexthop replace id 87 via 2001:db8:92::2 dev veth3"
783 run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 124"
784 log_test $? 0 "IPv6 route using a group after replacing v4 gateways"
786 $IP nexthop flush >/dev/null 2>&1
791 run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
792 run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
794 # rpfilter and default route
795 $IP nexthop flush >/dev/null 2>&1
796 run_cmd "ip netns exec me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP"
797 run_cmd "$IP nexthop add id 91 via 2001:db8:91::2 dev veth1"
798 run_cmd "$IP nexthop add id 92 via 2001:db8:92::2 dev veth3"
799 run_cmd "$IP nexthop add id 93 group 91/92"
800 run_cmd "$IP -6 ro add default nhid 91"
801 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
802 log_test $? 0 "Nexthop with default route and rpfilter"
803 run_cmd "$IP -6 ro replace default nhid 93"
804 run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
805 log_test $? 0 "Nexthop with multipath default route and rpfilter"
808 # existing route with old nexthop; append route with new nexthop
809 # existing route with old nexthop; replace route with new
810 # existing route with new nexthop; replace route with old
811 # route with src address and using nexthop - not allowed
819 echo "IPv6 large groups (x$ecmp)"
820 echo "---------------------"
822 check_large_grp 6 $ecmp
824 $IP nexthop flush >/dev/null 2>&1
830 $IP nexthop del id 100
831 $IP nexthop add id 100 via 2001:db8:91::2 dev veth1
835 ipv6_grp_replace_loop()
838 $IP nexthop replace id 102 group 100/101
851 echo "IPv6 runtime torture"
852 echo "--------------------"
853 if [ ! -x "$(command -v mausezahn)" ]; then
854 echo "SKIP: Could not run test; need mausezahn tool"
858 run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1"
859 run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3"
860 run_cmd "$IP nexthop add id 102 group 100/101"
861 run_cmd "$IP route add 2001:db8:101::1 nhid 102"
862 run_cmd "$IP route add 2001:db8:101::2 nhid 102"
866 ipv6_grp_replace_loop &
868 ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
870 ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
872 ip netns exec me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
876 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
878 # if we did not crash, success
879 log_test 0 0 "IPv6 torture test"
888 echo "IPv4 functional"
889 echo "----------------------"
892 # basic IPv4 ops - add, get, delete
894 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
896 log_test $rc 0 "Create nexthop with id, gw, dev"
897 if [ $rc -ne 0 ]; then
898 echo "Basic IPv4 create fails; can not continue"
902 run_cmd "$IP nexthop get id 12"
903 log_test $? 0 "Get nexthop by id"
904 check_nexthop "id 12" "id 12 via 172.16.1.2 dev veth1 scope link"
906 run_cmd "$IP nexthop del id 12"
907 log_test $? 0 "Delete nexthop by id"
908 check_nexthop "id 52" ""
913 # gw validation, no device - fails since dev is required
914 run_cmd "$IP nexthop add id 12 via 172.16.2.3"
915 log_test $? 2 "Create nexthop - gw only"
917 # gw not reachable through given dev
918 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1"
919 log_test $? 2 "Create nexthop - invalid gw+dev combination"
921 # onlink flag overrides gw+dev lookup
922 run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink"
923 log_test $? 0 "Create nexthop - gw+dev and onlink"
925 # admin down should delete nexthops
927 run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1"
928 run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1"
929 run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1"
930 run_cmd "$IP li set dev veth1 down"
932 check_nexthop "dev veth1" ""
933 log_test $? 0 "Nexthops removed on admin down"
941 echo "IPv4 groups functional"
942 echo "----------------------"
944 # basic functionality: create a nexthop group, default weight
945 run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1"
946 run_cmd "$IP nexthop add id 101 group 11"
947 log_test $? 0 "Create nexthop group with single nexthop"
950 run_cmd "$IP nexthop get id 101"
951 log_test $? 0 "Get nexthop group by id"
952 check_nexthop "id 101" "id 101 group 11"
954 # delete nexthop group
955 run_cmd "$IP nexthop del id 101"
956 log_test $? 0 "Delete nexthop group by id"
957 check_nexthop "id 101" ""
959 $IP nexthop flush >/dev/null 2>&1
962 # create group with multiple nexthops
963 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
964 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
965 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
966 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
967 run_cmd "$IP nexthop add id 102 group 12/13/14/15"
968 log_test $? 0 "Nexthop group with multiple nexthops"
969 check_nexthop "id 102" "id 102 group 12/13/14/15"
971 # Delete nexthop in a group and group is updated
972 run_cmd "$IP nexthop del id 13"
973 check_nexthop "id 102" "id 102 group 12/14/15"
974 log_test $? 0 "Nexthop group updated when entry is deleted"
976 # create group with multiple weighted nexthops
977 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
978 run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4"
979 log_test $? 0 "Nexthop group with weighted nexthops"
980 check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4"
982 # Delete nexthop in a weighted group and group is updated
983 run_cmd "$IP nexthop del id 13"
984 check_nexthop "id 103" "id 103 group 12/14,3/15,4"
985 log_test $? 0 "Weighted nexthop group updated when entry is deleted"
987 # admin down - nexthop is removed from group
988 run_cmd "$IP li set dev veth1 down"
989 check_nexthop "dev veth1" ""
990 log_test $? 0 "Nexthops in groups removed on admin down"
992 # expect groups to have been deleted as well
995 run_cmd "$IP li set dev veth1 up"
997 $IP nexthop flush >/dev/null 2>&1
999 # group with nexthops using different devices
1001 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
1002 run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
1003 run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
1004 run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
1006 run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3"
1007 run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3"
1008 run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3"
1009 run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3"
1012 # multiple groups with same nexthop
1013 run_cmd "$IP nexthop add id 104 group 12"
1014 run_cmd "$IP nexthop add id 105 group 12"
1015 check_nexthop "group" "id 104 group 12 id 105 group 12"
1016 log_test $? 0 "Multiple groups with same nexthop"
1018 run_cmd "$IP nexthop flush groups"
1019 [ $? -ne 0 ] && return 1
1021 # on admin down of veth1, it should be removed from the group
1022 run_cmd "$IP nexthop add id 105 group 12/13/22/23/14"
1023 run_cmd "$IP li set veth1 down"
1024 check_nexthop "id 105" "id 105 group 22/23"
1025 log_test $? 0 "Nexthops in group removed on admin down - mixed group"
1027 run_cmd "$IP nexthop add id 106 group 105/24"
1028 log_test $? 2 "Nexthop group can not have a group as an entry"
1030 # a group can have a blackhole entry only if it is the only
1031 # nexthop in the group. Needed for atomic replace with an
1032 # actual nexthop group
1033 run_cmd "$IP nexthop add id 31 blackhole"
1034 run_cmd "$IP nexthop add id 107 group 31"
1035 log_test $? 0 "Nexthop group with a blackhole entry"
1037 run_cmd "$IP nexthop add id 108 group 31/24"
1038 log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
1046 lladdr=$(get_linklocal veth2 peer)
1047 run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
1049 run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
1050 log_test $? 0 "IPv6 nexthop with IPv4 route"
1051 check_route "172.16.101.1" "172.16.101.1 nhid 11 via inet6 ${lladdr} dev veth1"
1054 run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
1055 run_cmd "$IP nexthop add id 101 group 11/12"
1057 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
1058 log_test $? 0 "IPv6 nexthop with IPv4 route"
1060 check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
1062 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
1063 log_test $? 0 "IPv4 route with IPv6 gateway"
1064 check_route "172.16.101.1" "172.16.101.1 via inet6 ${lladdr} dev veth1"
1066 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
1067 log_test $? 2 "IPv4 route with invalid IPv6 gateway"
1070 ipv4_fcnal_runtime()
1076 echo "IPv4 functional runtime"
1077 echo "-----------------------"
1079 run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
1080 run_cmd "$IP ro add 172.16.101.1/32 nhid 21"
1081 log_test $? 0 "Route add"
1082 check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1"
1084 run_cmd "$IP ro delete 172.16.101.1/32 nhid 21"
1085 log_test $? 0 "Route delete"
1090 run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
1091 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
1092 log_test $? 2 "Route add - scope conflict with nexthop"
1094 run_cmd "$IP nexthop replace id 22 dev veth3"
1095 run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
1096 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
1097 log_test $? 2 "Nexthop replace with invalid scope for existing route"
1100 # add route with nexthop and check traffic
1102 run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
1103 run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
1104 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1105 log_test $? 0 "Basic ping"
1107 run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
1108 run_cmd "$IP nexthop add id 122 group 21/22"
1109 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
1110 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1111 log_test $? 0 "Ping - multipath"
1113 run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
1116 # multiple default routes
1117 # - tests fib_select_default
1118 run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
1119 run_cmd "$IP ro add default nhid 501"
1120 run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
1121 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1122 log_test $? 0 "Ping - multiple default routes, nh first"
1125 run_cmd "$IP ro del default nhid 501"
1126 run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20"
1127 run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
1128 run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
1129 run_cmd "$IP ro add default nhid 501 metric 20"
1130 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1131 log_test $? 0 "Ping - multiple default routes, nh second"
1133 run_cmd "$IP nexthop delete nhid 501"
1134 run_cmd "$IP ro del default"
1137 # IPv4 with blackhole nexthops
1139 run_cmd "$IP nexthop add id 23 blackhole"
1140 run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
1141 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1142 log_test $? 2 "Ping - blackhole"
1144 run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
1145 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1146 log_test $? 0 "Ping - blackhole replaced with gateway"
1148 run_cmd "$IP nexthop replace id 23 blackhole"
1149 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1150 log_test $? 2 "Ping - gateway replaced by blackhole"
1152 run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
1153 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1154 if [ $? -eq 0 ]; then
1155 run_cmd "$IP nexthop replace id 122 group 23"
1156 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1157 log_test $? 2 "Ping - group with blackhole"
1159 run_cmd "$IP nexthop replace id 122 group 21/22"
1160 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1161 log_test $? 0 "Ping - group blackhole replaced with gateways"
1163 log_test 2 0 "Ping - multipath failed"
1167 # device only and gw + dev only mix
1169 run_cmd "$IP nexthop add id 85 dev veth1"
1170 run_cmd "$IP ro replace 172.16.101.1/32 nhid 85"
1171 log_test $? 0 "IPv4 route with device only nexthop"
1172 check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
1174 run_cmd "$IP nexthop add id 123 group 21/85"
1175 run_cmd "$IP ro replace 172.16.101.1/32 nhid 123"
1176 log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
1177 check_route "172.16.101.1" "172.16.101.1 nhid 123 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop dev veth1 weight 1"
1183 lladdr=$(get_linklocal veth2 peer)
1184 run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
1186 run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
1187 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1188 log_test $? 0 "IPv6 nexthop with IPv4 route"
1190 $IP neigh sh | grep -q "${lladdr} dev veth1"
1191 if [ $? -eq 1 ]; then
1192 echo " WARNING: Neigh entry missing for ${lladdr}"
1193 $IP neigh sh | grep 'dev veth1'
1196 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
1197 if [ $? -eq 0 ]; then
1198 echo " WARNING: Neigh entry exists for 172.16.101.1"
1199 $IP neigh sh | grep 'dev veth1'
1203 run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1"
1204 run_cmd "$IP nexthop add id 101 group 24/25"
1206 run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
1207 log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
1209 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"
1211 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1212 log_test $? 0 "IPv6 nexthop with IPv4 route"
1214 run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
1215 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1216 log_test $? 0 "IPv4 route with IPv6 gateway"
1218 $IP neigh sh | grep -q "${lladdr} dev veth1"
1219 if [ $? -eq 1 ]; then
1220 echo " WARNING: Neigh entry missing for ${lladdr}"
1221 $IP neigh sh | grep 'dev veth1'
1224 $IP neigh sh | grep -q "172.16.101.1 dev eth1"
1225 if [ $? -eq 0 ]; then
1226 echo " WARNING: Neigh entry exists for 172.16.101.1"
1227 $IP neigh sh | grep 'dev veth1'
1230 run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
1231 run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1"
1232 run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
1233 log_test $? 0 "IPv4 default route with IPv6 gateway"
1236 # MPLS as an example of LWT encap
1238 run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1"
1239 log_test $? 0 "IPv4 route with MPLS encap"
1240 check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link"
1241 log_test $? 0 "IPv4 route with MPLS encap - check"
1243 run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1"
1244 log_test $? 0 "IPv4 route with MPLS encap and v6 gateway"
1245 check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope link"
1246 log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
1254 echo "IPv4 large groups (x$ecmp)"
1255 echo "---------------------"
1257 check_large_grp 4 $ecmp
1259 $IP nexthop flush >/dev/null 2>&1
1262 sysctl_nexthop_compat_mode_check()
1264 local sysctlname="net.ipv4.nexthop_compat_mode"
1267 IPE="ip netns exec me"
1269 $IPE sysctl -q $sysctlname 2>&1 >/dev/null
1270 if [ $? -ne 0 ]; then
1271 echo "SKIP: kernel lacks nexthop compat mode sysctl control"
1275 out=$($IPE sysctl $sysctlname 2>/dev/null)
1276 log_test $? 0 "$lprefix default nexthop compat mode check"
1277 check_output "${out}" "$sysctlname = 1"
1280 sysctl_nexthop_compat_mode_set()
1282 local sysctlname="net.ipv4.nexthop_compat_mode"
1286 IPE="ip netns exec me"
1288 out=$($IPE sysctl -w $sysctlname=$mode)
1289 log_test $? 0 "$lprefix set compat mode - $mode"
1290 check_output "${out}" "net.ipv4.nexthop_compat_mode = $mode"
1298 echo "IPv6 nexthop api compat mode test"
1299 echo "--------------------------------"
1301 sysctl_nexthop_compat_mode_check "IPv6"
1302 if [ $? -eq $ksft_skip ]; then
1306 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
1307 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
1308 run_cmd "$IP nexthop add id 122 group 62/63"
1309 ipmout=$(start_ip_monitor route)
1311 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
1312 # route add notification should contain expanded nexthops
1313 stop_ip_monitor $ipmout 3
1314 log_test $? 0 "IPv6 compat mode on - route add notification"
1316 # route dump should contain expanded nexthops
1317 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"
1318 log_test $? 0 "IPv6 compat mode on - route dump"
1320 # change in nexthop group should generate route notification
1321 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
1322 ipmout=$(start_ip_monitor route)
1323 run_cmd "$IP nexthop replace id 122 group 62/64"
1324 stop_ip_monitor $ipmout 3
1326 log_test $? 0 "IPv6 compat mode on - nexthop change"
1328 # set compat mode off
1329 sysctl_nexthop_compat_mode_set 0 "IPv6"
1331 run_cmd "$IP -6 ro del 2001:db8:101::1/128 nhid 122"
1333 run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
1334 run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
1335 run_cmd "$IP nexthop add id 122 group 62/63"
1336 ipmout=$(start_ip_monitor route)
1338 run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
1339 # route add notification should not contain expanded nexthops
1340 stop_ip_monitor $ipmout 1
1341 log_test $? 0 "IPv6 compat mode off - route add notification"
1343 # route dump should not contain expanded nexthops
1344 check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024"
1345 log_test $? 0 "IPv6 compat mode off - route dump"
1347 # change in nexthop group should not generate route notification
1348 run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
1349 ipmout=$(start_ip_monitor route)
1350 run_cmd "$IP nexthop replace id 122 group 62/64"
1351 stop_ip_monitor $ipmout 0
1352 log_test $? 0 "IPv6 compat mode off - nexthop change"
1354 # nexthop delete should not generate route notification
1355 ipmout=$(start_ip_monitor route)
1356 run_cmd "$IP nexthop del id 122"
1357 stop_ip_monitor $ipmout 0
1358 log_test $? 0 "IPv6 compat mode off - nexthop delete"
1360 # set compat mode back on
1361 sysctl_nexthop_compat_mode_set 1 "IPv6"
1369 echo "IPv4 nexthop api compat mode"
1370 echo "----------------------------"
1372 sysctl_nexthop_compat_mode_check "IPv4"
1373 if [ $? -eq $ksft_skip ]; then
1377 run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
1378 run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
1379 run_cmd "$IP nexthop add id 122 group 21/22"
1380 ipmout=$(start_ip_monitor route)
1382 run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
1383 stop_ip_monitor $ipmout 3
1385 # route add notification should contain expanded nexthops
1386 log_test $? 0 "IPv4 compat mode on - route add notification"
1388 # route dump should contain expanded nexthops
1389 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"
1390 log_test $? 0 "IPv4 compat mode on - route dump"
1392 # change in nexthop group should generate route notification
1393 run_cmd "$IP nexthop add id 23 via 172.16.1.3 dev veth1"
1394 ipmout=$(start_ip_monitor route)
1395 run_cmd "$IP nexthop replace id 122 group 21/23"
1396 stop_ip_monitor $ipmout 3
1397 log_test $? 0 "IPv4 compat mode on - nexthop change"
1399 sysctl_nexthop_compat_mode_set 0 "IPv4"
1402 run_cmd "$IP ro del 172.16.101.1/32 nhid 122"
1404 ipmout=$(start_ip_monitor route)
1405 run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
1406 stop_ip_monitor $ipmout 1
1407 # route add notification should not contain expanded nexthops
1408 log_test $? 0 "IPv4 compat mode off - route add notification"
1410 # route dump should not contain expanded nexthops
1411 check_route "172.16.101.1" "172.16.101.1 nhid 122"
1412 log_test $? 0 "IPv4 compat mode off - route dump"
1414 # change in nexthop group should not generate route notification
1415 ipmout=$(start_ip_monitor route)
1416 run_cmd "$IP nexthop replace id 122 group 21/22"
1417 stop_ip_monitor $ipmout 0
1418 log_test $? 0 "IPv4 compat mode off - nexthop change"
1420 # nexthop delete should not generate route notification
1421 ipmout=$(start_ip_monitor route)
1422 run_cmd "$IP nexthop del id 122"
1423 stop_ip_monitor $ipmout 0
1424 log_test $? 0 "IPv4 compat mode off - nexthop delete"
1426 sysctl_nexthop_compat_mode_set 1 "IPv4"
1429 ipv4_del_add_loop1()
1432 $IP nexthop del id 100
1433 $IP nexthop add id 100 via 172.16.1.2 dev veth1
1434 done >/dev/null 2>&1
1437 ipv4_grp_replace_loop()
1440 $IP nexthop replace id 102 group 100/101
1441 done >/dev/null 2>&1
1453 echo "IPv4 runtime torture"
1454 echo "--------------------"
1455 if [ ! -x "$(command -v mausezahn)" ]; then
1456 echo "SKIP: Could not run test; need mausezahn tool"
1460 run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1"
1461 run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3"
1462 run_cmd "$IP nexthop add id 102 group 100/101"
1463 run_cmd "$IP route add 172.16.101.1 nhid 102"
1464 run_cmd "$IP route add 172.16.101.2 nhid 102"
1466 ipv4_del_add_loop1 &
1468 ipv4_grp_replace_loop &
1470 ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
1472 ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
1474 ip netns exec me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
1478 kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
1480 # if we did not crash, success
1481 log_test 0 0 "IPv4 torture test"
1487 echo "Basic functional tests"
1488 echo "----------------------"
1489 run_cmd "$IP nexthop ls"
1490 log_test $? 0 "List with nothing defined"
1492 run_cmd "$IP nexthop get id 1"
1493 log_test $? 2 "Nexthop get on non-existent id"
1495 # attempt to create nh without a device or gw - fails
1496 run_cmd "$IP nexthop add id 1"
1497 log_test $? 2 "Nexthop with no device or gateway"
1499 # attempt to create nh with down device - fails
1500 $IP li set veth1 down
1501 run_cmd "$IP nexthop add id 1 dev veth1"
1502 log_test $? 2 "Nexthop with down device"
1504 # create nh with linkdown device - fails
1506 ip -netns peer li set veth2 down
1507 run_cmd "$IP nexthop add id 1 dev veth1"
1508 log_test $? 2 "Nexthop with device that is linkdown"
1509 ip -netns peer li set veth2 up
1512 run_cmd "$IP nexthop add id 1 dev veth1"
1513 log_test $? 0 "Nexthop with device only"
1515 # create nh with duplicate id
1516 run_cmd "$IP nexthop add id 1 dev veth3"
1517 log_test $? 2 "Nexthop with duplicate id"
1520 run_cmd "$IP nexthop add id 2 blackhole"
1521 log_test $? 0 "Blackhole nexthop"
1523 # blackhole nexthop can not have other specs
1524 run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
1525 log_test $? 2 "Blackhole nexthop with other attributes"
1531 run_cmd "$IP nexthop add id 101 group 1"
1532 log_test $? 0 "Create group"
1534 run_cmd "$IP nexthop add id 102 group 2"
1535 log_test $? 0 "Create group with blackhole nexthop"
1537 # multipath group can not have a blackhole as 1 path
1538 run_cmd "$IP nexthop add id 103 group 1/2"
1539 log_test $? 2 "Create multipath group where 1 path is a blackhole"
1541 # multipath group can not have a member replaced by a blackhole
1542 run_cmd "$IP nexthop replace id 2 dev veth3"
1543 run_cmd "$IP nexthop replace id 102 group 1/2"
1544 run_cmd "$IP nexthop replace id 2 blackhole"
1545 log_test $? 2 "Multipath group can not have a member replaced by blackhole"
1547 # attempt to create group with non-existent nexthop
1548 run_cmd "$IP nexthop add id 103 group 12"
1549 log_test $? 2 "Create group with non-existent nexthop"
1551 # attempt to create group with same nexthop
1552 run_cmd "$IP nexthop add id 103 group 1/1"
1553 log_test $? 2 "Create group with same nexthop multiple times"
1555 # replace nexthop with a group - fails
1556 run_cmd "$IP nexthop replace id 2 group 1"
1557 log_test $? 2 "Replace nexthop with nexthop group"
1559 # replace nexthop group with a nexthop - fails
1560 run_cmd "$IP nexthop replace id 101 dev veth1"
1561 log_test $? 2 "Replace nexthop group with nexthop"
1563 # nexthop group with other attributes fail
1564 run_cmd "$IP nexthop add id 104 group 1 dev veth1"
1565 log_test $? 2 "Nexthop group and device"
1567 # Tests to ensure that flushing works as expected.
1568 run_cmd "$IP nexthop add id 105 blackhole proto 99"
1569 run_cmd "$IP nexthop add id 106 blackhole proto 100"
1570 run_cmd "$IP nexthop add id 107 blackhole proto 99"
1571 run_cmd "$IP nexthop flush proto 99"
1572 check_nexthop "id 105" ""
1573 check_nexthop "id 106" "id 106 blackhole proto 100"
1574 check_nexthop "id 107" ""
1575 run_cmd "$IP nexthop flush proto 100"
1576 check_nexthop "id 106" ""
1578 run_cmd "$IP nexthop flush proto 100"
1579 log_test $? 0 "Test proto flush"
1581 run_cmd "$IP nexthop add id 104 group 1 blackhole"
1582 log_test $? 2 "Nexthop group and blackhole"
1584 $IP nexthop flush >/dev/null 2>&1
1587 ################################################################################
1593 usage: ${0##*/} OPTS
1595 -t <test> Test(s) to run (default: all)
1596 (options: $ALL_TESTS)
1600 -P Pause after each test before cleanup
1601 -v verbose mode (show commands and output)
1604 -n num Number of nexthops to target
1605 -N Use new style to install routes in DUT
1611 ################################################################################
1614 while getopts :t:pP46hv o
1618 4) TESTS=${IPV4_TESTS};;
1619 6) TESTS=${IPV6_TESTS};;
1620 p) PAUSE_ON_FAIL=yes;;
1622 v) VERBOSE=$(($VERBOSE + 1));;
1628 # make sure we don't pause twice
1629 [ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
1631 if [ "$(id -u)" -ne 0 ];then
1632 echo "SKIP: Need root privileges"
1636 if [ ! -x "$(command -v ip)" ]; then
1637 echo "SKIP: Could not run test without ip tool"
1641 ip help 2>&1 | grep -q nexthop
1642 if [ $? -ne 0 ]; then
1643 echo "SKIP: iproute2 too old, missing nexthop command"
1647 out=$(ip nexthop ls 2>&1 | grep -q "Operation not supported")
1648 if [ $? -eq 0 ]; then
1649 echo "SKIP: kernel lacks nexthop support"
1656 none) IP="ip -netns peer"; setup; exit 0;;
1657 *) setup; $t; cleanup;;
1661 if [ "$TESTS" != "none" ]; then
1662 printf "\nTests passed: %3d\n" ${nsuccess}
1663 printf "Tests failed: %3d\n" ${nfail}