2 # SPDX-License-Identifier: GPL-2.0
4 # This test is for checking IPv4 and IPv6 FIB behavior in response to
8 # Kselftest framework requirement - SKIP code is 4.
12 PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
21 if [ ${rc} -eq ${expected} ]; then
22 printf " TEST: %-60s [ OK ]\n" "${msg}"
25 printf " TEST: %-60s [FAIL]\n" "${msg}"
26 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
28 echo "hit enter to continue, 'q' to quit"
30 [ "$a" = "q" ] && exit 1
39 $IP link set dev lo up
41 $IP link add dummy0 type dummy
42 $IP link set dev dummy0 up
43 $IP address add 198.51.100.1/24 dev dummy0
44 $IP -6 address add 2001:db8:1::1/64 dev dummy0
51 $IP link del dev dummy0 &> /dev/null
60 addr=$($IP -6 -br addr show dev ${dev} | \
62 for (i = 3; i <= NF; ++i) {
70 [ -z "$addr" ] && return 1
77 fib_unreg_unicast_test()
80 echo "Single path route test"
85 $IP route get fibmatch 198.51.100.2 &> /dev/null
86 log_test $? 0 "IPv4 fibmatch"
87 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
88 log_test $? 0 "IPv6 fibmatch"
91 $IP link del dev dummy0
94 echo " Nexthop device deleted"
95 $IP route get fibmatch 198.51.100.2 &> /dev/null
96 log_test $? 2 "IPv4 fibmatch - no route"
97 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
98 log_test $? 2 "IPv6 fibmatch - no route"
103 fib_unreg_multipath_test()
107 echo "Multipath route test"
112 $IP link add dummy1 type dummy
113 $IP link set dev dummy1 up
114 $IP address add 192.0.2.1/24 dev dummy1
115 $IP -6 address add 2001:db8:2::1/64 dev dummy1
117 $IP route add 203.0.113.0/24 \
118 nexthop via 198.51.100.2 dev dummy0 \
119 nexthop via 192.0.2.2 dev dummy1
120 $IP -6 route add 2001:db8:3::/64 \
121 nexthop via 2001:db8:1::2 dev dummy0 \
122 nexthop via 2001:db8:2::2 dev dummy1
126 $IP route get fibmatch 203.0.113.1 &> /dev/null
127 log_test $? 0 "IPv4 fibmatch"
128 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
129 log_test $? 0 "IPv6 fibmatch"
132 $IP link del dev dummy0
135 echo " One nexthop device deleted"
136 $IP route get fibmatch 203.0.113.1 &> /dev/null
137 log_test $? 2 "IPv4 - multipath route removed on delete"
139 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
140 # In IPv6 we do not flush the entire multipath route.
141 log_test $? 0 "IPv6 - multipath down to single path"
144 $IP link del dev dummy1
147 echo " Second nexthop device deleted"
148 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
149 log_test $? 2 "IPv6 - no route"
156 fib_unreg_unicast_test
157 fib_unreg_multipath_test
160 fib_down_unicast_test()
163 echo "Single path, admin down"
168 $IP route get fibmatch 198.51.100.2 &> /dev/null
169 log_test $? 0 "IPv4 fibmatch"
170 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
171 log_test $? 0 "IPv6 fibmatch"
174 $IP link set dev dummy0 down
177 echo " Route deleted on down"
178 $IP route get fibmatch 198.51.100.2 &> /dev/null
179 log_test $? 2 "IPv4 fibmatch"
180 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
181 log_test $? 2 "IPv6 fibmatch"
186 fib_down_multipath_test_do()
191 $IP route get fibmatch 203.0.113.1 \
192 oif $down_dev &> /dev/null
193 log_test $? 2 "IPv4 fibmatch on down device"
194 $IP -6 route get fibmatch 2001:db8:3::1 \
195 oif $down_dev &> /dev/null
196 log_test $? 2 "IPv6 fibmatch on down device"
198 $IP route get fibmatch 203.0.113.1 \
199 oif $up_dev &> /dev/null
200 log_test $? 0 "IPv4 fibmatch on up device"
201 $IP -6 route get fibmatch 2001:db8:3::1 \
202 oif $up_dev &> /dev/null
203 log_test $? 0 "IPv6 fibmatch on up device"
205 $IP route get fibmatch 203.0.113.1 | \
206 grep $down_dev | grep -q "dead linkdown"
207 log_test $? 0 "IPv4 flags on down device"
208 $IP -6 route get fibmatch 2001:db8:3::1 | \
209 grep $down_dev | grep -q "dead linkdown"
210 log_test $? 0 "IPv6 flags on down device"
212 $IP route get fibmatch 203.0.113.1 | \
213 grep $up_dev | grep -q "dead linkdown"
214 log_test $? 1 "IPv4 flags on up device"
215 $IP -6 route get fibmatch 2001:db8:3::1 | \
216 grep $up_dev | grep -q "dead linkdown"
217 log_test $? 1 "IPv6 flags on up device"
220 fib_down_multipath_test()
223 echo "Admin down multipath"
228 $IP link add dummy1 type dummy
229 $IP link set dev dummy1 up
231 $IP address add 192.0.2.1/24 dev dummy1
232 $IP -6 address add 2001:db8:2::1/64 dev dummy1
234 $IP route add 203.0.113.0/24 \
235 nexthop via 198.51.100.2 dev dummy0 \
236 nexthop via 192.0.2.2 dev dummy1
237 $IP -6 route add 2001:db8:3::/64 \
238 nexthop via 2001:db8:1::2 dev dummy0 \
239 nexthop via 2001:db8:2::2 dev dummy1
242 echo " Verify start point"
243 $IP route get fibmatch 203.0.113.1 &> /dev/null
244 log_test $? 0 "IPv4 fibmatch"
246 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
247 log_test $? 0 "IPv6 fibmatch"
250 $IP link set dev dummy0 down
253 echo " One device down, one up"
254 fib_down_multipath_test_do "dummy0" "dummy1"
257 $IP link set dev dummy0 up
258 $IP link set dev dummy1 down
261 echo " Other device down and up"
262 fib_down_multipath_test_do "dummy1" "dummy0"
265 $IP link set dev dummy0 down
268 echo " Both devices down"
269 $IP route get fibmatch 203.0.113.1 &> /dev/null
270 log_test $? 2 "IPv4 fibmatch"
271 $IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
272 log_test $? 2 "IPv6 fibmatch"
274 $IP link del dev dummy1
280 fib_down_unicast_test
281 fib_down_multipath_test
284 # Local routes should not be affected when carrier changes.
285 fib_carrier_local_test()
288 echo "Local carrier tests - single path"
293 $IP link set dev dummy0 carrier on
297 $IP route get fibmatch 198.51.100.1 &> /dev/null
298 log_test $? 0 "IPv4 fibmatch"
299 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
300 log_test $? 0 "IPv6 fibmatch"
302 $IP route get fibmatch 198.51.100.1 | \
304 log_test $? 1 "IPv4 - no linkdown flag"
305 $IP -6 route get fibmatch 2001:db8:1::1 | \
307 log_test $? 1 "IPv6 - no linkdown flag"
310 $IP link set dev dummy0 carrier off
314 echo " Carrier off on nexthop"
315 $IP route get fibmatch 198.51.100.1 &> /dev/null
316 log_test $? 0 "IPv4 fibmatch"
317 $IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
318 log_test $? 0 "IPv6 fibmatch"
320 $IP route get fibmatch 198.51.100.1 | \
322 log_test $? 1 "IPv4 - linkdown flag set"
323 $IP -6 route get fibmatch 2001:db8:1::1 | \
325 log_test $? 1 "IPv6 - linkdown flag set"
328 $IP address add 192.0.2.1/24 dev dummy0
329 $IP -6 address add 2001:db8:2::1/64 dev dummy0
332 echo " Route to local address with carrier down"
333 $IP route get fibmatch 192.0.2.1 &> /dev/null
334 log_test $? 0 "IPv4 fibmatch"
335 $IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
336 log_test $? 0 "IPv6 fibmatch"
338 $IP route get fibmatch 192.0.2.1 | \
340 log_test $? 1 "IPv4 linkdown flag set"
341 $IP -6 route get fibmatch 2001:db8:2::1 | \
343 log_test $? 1 "IPv6 linkdown flag set"
348 fib_carrier_unicast_test()
353 echo "Single path route carrier test"
358 $IP link set dev dummy0 carrier on
362 $IP route get fibmatch 198.51.100.2 &> /dev/null
363 log_test $? 0 "IPv4 fibmatch"
364 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
365 log_test $? 0 "IPv6 fibmatch"
367 $IP route get fibmatch 198.51.100.2 | \
369 log_test $? 1 "IPv4 no linkdown flag"
370 $IP -6 route get fibmatch 2001:db8:1::2 | \
372 log_test $? 1 "IPv6 no linkdown flag"
375 $IP link set dev dummy0 carrier off
379 $IP route get fibmatch 198.51.100.2 &> /dev/null
380 log_test $? 0 "IPv4 fibmatch"
381 $IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
382 log_test $? 0 "IPv6 fibmatch"
384 $IP route get fibmatch 198.51.100.2 | \
386 log_test $? 0 "IPv4 linkdown flag set"
387 $IP -6 route get fibmatch 2001:db8:1::2 | \
389 log_test $? 0 "IPv6 linkdown flag set"
392 $IP address add 192.0.2.1/24 dev dummy0
393 $IP -6 address add 2001:db8:2::1/64 dev dummy0
396 echo " Second address added with carrier down"
397 $IP route get fibmatch 192.0.2.2 &> /dev/null
398 log_test $? 0 "IPv4 fibmatch"
399 $IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
400 log_test $? 0 "IPv6 fibmatch"
402 $IP route get fibmatch 192.0.2.2 | \
404 log_test $? 0 "IPv4 linkdown flag set"
405 $IP -6 route get fibmatch 2001:db8:2::2 | \
407 log_test $? 0 "IPv6 linkdown flag set"
414 fib_carrier_local_test
415 fib_carrier_unicast_test
418 ################################################################################
419 # Tests on nexthop spec
421 # run 'ip route add' with given spec
432 [ "$vrf" = "-" ] && vrf="default"
433 [ -n "$gw" ] && gw="via $gw"
434 [ -n "$dev" ] && dev="dev $dev"
436 cmd="$IP route add vrf $vrf $pfx $gw $dev"
437 if [ "$VERBOSE" = "1" ]; then
438 printf "\n COMMAND: $cmd\n"
441 out=$(eval $cmd 2>&1)
443 if [ "$VERBOSE" = "1" -a -n "$out" ]; then
446 log_test $rc $erc "$desc"
452 echo "IPv4 nexthop tests"
454 echo "<<< write me >>>"
459 local lldummy=$(get_linklocal dummy0)
460 local llv1=$(get_linklocal dummy0)
462 if [ -z "$lldummy" ]; then
463 echo "Failed to get linklocal address for dummy0"
466 if [ -z "$llv1" ]; then
467 echo "Failed to get linklocal address for veth1"
472 echo "IPv6 nexthop tests"
474 add_rt "Directly connected nexthop, unicast address" 0 \
475 - 2001:db8:101::/64 2001:db8:1::2
476 add_rt "Directly connected nexthop, unicast address with device" 0 \
477 - 2001:db8:102::/64 2001:db8:1::2 "dummy0"
478 add_rt "Gateway is linklocal address" 0 \
479 - 2001:db8:103::1/64 $llv1 "veth0"
481 # fails because LL address requires a device
482 add_rt "Gateway is linklocal address, no device" 2 \
483 - 2001:db8:104::1/64 $llv1
485 # local address can not be a gateway
486 add_rt "Gateway can not be local unicast address" 2 \
487 - 2001:db8:105::/64 2001:db8:1::1
488 add_rt "Gateway can not be local unicast address, with device" 2 \
489 - 2001:db8:106::/64 2001:db8:1::1 "dummy0"
490 add_rt "Gateway can not be a local linklocal address" 2 \
491 - 2001:db8:107::1/64 $lldummy "dummy0"
494 add_rt "Gateway can be local address in a VRF" 0 \
495 - 2001:db8:108::/64 2001:db8:51::2
496 add_rt "Gateway can be local address in a VRF, with device" 0 \
497 - 2001:db8:109::/64 2001:db8:51::2 "veth0"
498 add_rt "Gateway can be local linklocal address in a VRF" 0 \
499 - 2001:db8:110::1/64 $llv1 "veth0"
501 add_rt "Redirect to VRF lookup" 0 \
502 - 2001:db8:111::/64 "" "red"
504 add_rt "VRF route, gateway can be local address in default VRF" 0 \
505 red 2001:db8:112::/64 2001:db8:51::1
507 # local address in same VRF fails
508 add_rt "VRF route, gateway can not be a local address" 2 \
509 red 2001:db8:113::1/64 2001:db8:2::1
510 add_rt "VRF route, gateway can not be a local addr with device" 2 \
511 red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
515 # dummy0 - 198.51.100.1/24 2001:db8:1::1/64
516 # veth0 - 192.0.2.1/24 2001:db8:51::1/64
519 # dummy1 - 192.168.2.1/24 2001:db8:2::1/64
520 # veth1 - 192.0.2.2/24 2001:db8:51::2/64
522 # [ dummy0 veth0 ]--[ veth1 dummy1 ]
530 $IP -4 rule add pref 32765 table local
531 $IP -4 rule del pref 0
532 $IP -6 rule add pref 32765 table local
533 $IP -6 rule del pref 0
535 $IP link add red type vrf table 1
537 $IP -4 route add vrf red unreachable default metric 4278198272
538 $IP -6 route add vrf red unreachable default metric 4278198272
540 $IP link add veth0 type veth peer name veth1
541 $IP link set dev veth0 up
542 $IP address add 192.0.2.1/24 dev veth0
543 $IP -6 address add 2001:db8:51::1/64 dev veth0
545 $IP link set dev veth1 vrf red up
546 $IP address add 192.0.2.2/24 dev veth1
547 $IP -6 address add 2001:db8:51::2/64 dev veth1
549 $IP link add dummy1 type dummy
550 $IP link set dev dummy1 vrf red up
551 $IP address add 192.168.2.1/24 dev dummy1
552 $IP -6 address add 2001:db8:2::1/64 dev dummy1
560 $IP link del dev dummy1
567 ################################################################################
572 if [ -n "$TEST" ]; then
582 if [ "$(id -u)" -ne 0 ];then
583 echo "SKIP: Need root privileges"
587 if [ ! -x "$(command -v ip)" ]; then
588 echo "SKIP: Could not run test without ip tool"
592 ip route help 2>&1 | grep -q fibmatch
593 if [ $? -ne 0 ]; then
594 echo "SKIP: iproute2 too old, missing fibmatch"