1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0-only
3
4 VNI_GEN=$RANDOM
5 NSIM_ID=$((RANDOM % 1024))
6 NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID
7 NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID
8 NSIM_NETDEV=
9 HAS_ETHTOOL=
10 STATIC_ENTRIES=
11 EXIT_STATUS=0
12 num_cases=0
13 num_errors=0
14
15 clean_up_devs=( )
16
17 function err_cnt {
18 echo "ERROR:" $@
19 EXIT_STATUS=1
20 ((num_errors++))
21 ((num_cases++))
22 }
23
24 function pass_cnt {
25 ((num_cases++))
26 }
27
28 function cleanup_tuns {
29 for dev in "${clean_up_devs[@]}"; do
30 [ -e /sys/class/net/$dev ] && ip link del dev $dev
31 done
32 clean_up_devs=( )
33 }
34
35 function cleanup_nsim {
36 if [ -e $NSIM_DEV_SYS ]; then
37 echo $NSIM_ID > /sys/bus/netdevsim/del_device
38 fi
39 }
40
41 function cleanup {
42 cleanup_tuns
43 cleanup_nsim
44 }
45
46 trap cleanup EXIT
47
48 function new_vxlan {
49 local dev=$1
50 local dstport=$2
51 local lower=$3
52 local ipver=$4
53 local flags=$5
54
55 local group ipfl
56
57 [ "$ipver" != '6' ] && group=239.1.1.1 || group=fff1::1
58 [ "$ipver" != '6' ] || ipfl="-6"
59
60 [[ ! "$flags" =~ "external" ]] && flags="$flags id $((VNI_GEN++))"
61
62 ip $ipfl link add $dev type vxlan \
63 group $group \
64 dev $lower \
65 dstport $dstport \
66 $flags
67
68 ip link set dev $dev up
69
70 clean_up_devs=("${clean_up_devs[@]}" $dev)
71
72 check_tables
73 }
74
75 function new_geneve {
76 local dev=$1
77 local dstport=$2
78 local ipver=$3
79 local flags=$4
80
81 local group ipfl
82
83 [ "$ipver" != '6' ] && remote=1.1.1.2 || group=::2
84 [ "$ipver" != '6' ] || ipfl="-6"
85
86 [[ ! "$flags" =~ "external" ]] && flags="$flags vni $((VNI_GEN++))"
87
88 ip $ipfl link add $dev type geneve \
89 remote $remote \
90 dstport $dstport \
91 $flags
92
93 ip link set dev $dev up
94
95 clean_up_devs=("${clean_up_devs[@]}" $dev)
96
97 check_tables
98 }
99
100 function del_dev {
101 local dev=$1
102
103 ip link del dev $dev
104 check_tables
105 }
106
107 # Helpers for netdevsim port/type encoding
108 function mke {
109 local port=$1
110 local type=$2
111
112 echo $((port << 16 | type))
113 }
114
115 function pre {
116 local val=$1
117
118 echo -e "port: $((val >> 16))\ttype: $((val & 0xffff))"
119 }
120
121 function pre_ethtool {
122 local val=$1
123 local port=$((val >> 16))
124 local type=$((val & 0xffff))
125
126 case $type in
127 1)
128 type_name="vxlan"
129 ;;
130 2)
131 type_name="geneve"
132 ;;
133 4)
134 type_name="vxlan-gpe"
135 ;;
136 *)
137 type_name="bit X"
138 ;;
139 esac
140
141 echo "port $port, $type_name"
142 }
143
144 function check_table {
145 local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1
146 local -n expected=$2
147 local last=$3
148
149 read -a have < $path
150
151 if [ ${#expected[@]} -ne ${#have[@]} ]; then
152 echo "check_table: BAD NUMBER OF ITEMS"
153 return 0
154 fi
155
156 for i in "${!expected[@]}"; do
157 if [ -n "$HAS_ETHTOOL" -a ${expected[i]} -ne 0 ]; then
158 pp_expected=`pre_ethtool ${expected[i]}`
159 ethtool --show-tunnels $NSIM_NETDEV | grep "$pp_expected" >/dev/null
160 if [ $? -ne 0 -a $last -ne 0 ]; then
161 err_cnt "ethtool table $1 on port $port: $pfx - $msg"
162 echo " check_table: ethtool does not contain '$pp_expected'"
163 ethtool --show-tunnels $NSIM_NETDEV
164 return 0
165
166 fi
167 fi
168
169 if [ ${expected[i]} != ${have[i]} ]; then
170 if [ $last -ne 0 ]; then
171 err_cnt "table $1 on port $port: $pfx - $msg"
172 echo " check_table: wrong entry $i"
173 echo " expected: `pre ${expected[i]}`"
174 echo " have: `pre ${have[i]}`"
175 return 0
176 fi
177 return 1
178 fi
179 done
180
181 pass_cnt
182 return 0
183 }
184
185 function check_tables {
186 # Need retries in case we have workqueue making the changes
187 local retries=10
188
189 while ! check_table 0 exp0 $((retries == 0)); do
190 sleep 0.02
191 ((retries--))
192 done
193 while ! check_table 1 exp1 $((retries == 0)); do
194 sleep 0.02
195 ((retries--))
196 done
197
198 if [ -n "$HAS_ETHTOOL" -a -n "${STATIC_ENTRIES[0]}" ]; then
199 fail=0
200 for i in "${!STATIC_ENTRIES[@]}"; do
201 pp_expected=`pre_ethtool ${STATIC_ENTRIES[i]}`
202 cnt=$(ethtool --show-tunnels $NSIM_NETDEV | grep -c "$pp_expected")
203 if [ $cnt -ne 1 ]; then
204 err_cnt "ethtool static entry: $pfx - $msg"
205 echo " check_table: ethtool does not contain '$pp_expected'"
206 ethtool --show-tunnels $NSIM_NETDEV
207 fail=1
208 fi
209 done
210 [ $fail == 0 ] && pass_cnt
211 fi
212 }
213
214 function print_table {
215 local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1
216 read -a have < $path
217
218 tree $NSIM_DEV_DFS/
219
220 echo "Port $port table $1:"
221
222 for i in "${!have[@]}"; do
223 echo " `pre ${have[i]}`"
224 done
225
226 }
227
228 function print_tables {
229 print_table 0
230 print_table 1
231 }
232
233 function get_netdev_name {
234 local -n old=$1
235
236 udevadm settle
237 new=$(ls /sys/class/net)
238
239 for netdev in $new; do
240 for check in $old; do
241 [ $netdev == $check ] && break
242 done
243
244 if [ $netdev != $check ]; then
245 echo $netdev
246 break
247 fi
248 done
249 }
250
251 ###
252 ### Code start
253 ###
254
255 # Probe ethtool support
256 ethtool -h | grep show-tunnels 2>&1 >/dev/null && HAS_ETHTOOL=y
257
258 modprobe netdevsim
259
260 # Basic test
261 pfx="basic"
262
263 for port in 0 1; do
264 old_netdevs=$(ls /sys/class/net)
265 if [ $port -eq 0 ]; then
266 echo $NSIM_ID > /sys/bus/netdevsim/new_device
267 else
268 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
269 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
270 echo 1 > $NSIM_DEV_SYS/new_port
271 fi
272 NSIM_NETDEV=`get_netdev_name old_netdevs`
273 ip link set dev $NSIM_NETDEV up
274
275 msg="new NIC device created"
276 exp0=( 0 0 0 0 )
277 exp1=( 0 0 0 0 )
278 check_tables
279
280 msg="VxLAN v4 devices"
281 exp0=( `mke 4789 1` 0 0 0 )
282 new_vxlan vxlan0 4789 $NSIM_NETDEV
283 new_vxlan vxlan1 4789 $NSIM_NETDEV
284
285 msg="VxLAN v4 devices go down"
286 exp0=( 0 0 0 0 )
287 ip link set dev vxlan1 down
288 ip link set dev vxlan0 down
289 check_tables
290
291 msg="VxLAN v6 devices"
292 exp0=( `mke 4789 1` 0 0 0 )
293 new_vxlan vxlanA 4789 $NSIM_NETDEV 6
294
295 for ifc in vxlan0 vxlan1; do
296 ip link set dev $ifc up
297 done
298
299 new_vxlan vxlanB 4789 $NSIM_NETDEV 6
300
301 msg="another VxLAN v6 devices"
302 exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
303 new_vxlan vxlanC 4790 $NSIM_NETDEV 6
304
305 msg="Geneve device"
306 exp1=( `mke 6081 2` 0 0 0 )
307 new_geneve gnv0 6081
308
309 msg="NIC device goes down"
310 ip link set dev $NSIM_NETDEV down
311 if [ $port -eq 1 ]; then
312 exp0=( 0 0 0 0 )
313 exp1=( 0 0 0 0 )
314 fi
315 check_tables
316 msg="NIC device goes up again"
317 ip link set dev $NSIM_NETDEV up
318 exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
319 exp1=( `mke 6081 2` 0 0 0 )
320 check_tables
321
322 cleanup_tuns
323
324 msg="tunnels destroyed"
325 exp0=( 0 0 0 0 )
326 exp1=( 0 0 0 0 )
327 check_tables
328
329 modprobe -r geneve
330 modprobe -r vxlan
331 modprobe -r udp_tunnel
332
333 check_tables
334 done
335
336 modprobe -r netdevsim
337
338 # Module tests
339 pfx="module tests"
340
341 if modinfo netdevsim | grep udp_tunnel >/dev/null; then
342 err_cnt "netdevsim depends on udp_tunnel"
343 else
344 pass_cnt
345 fi
346
347 modprobe netdevsim
348
349 old_netdevs=$(ls /sys/class/net)
350 port=0
351 echo $NSIM_ID > /sys/bus/netdevsim/new_device
352 echo 0 > $NSIM_DEV_SYS/del_port
353 echo 1000 > $NSIM_DEV_DFS/udp_ports_sleep
354 echo 0 > $NSIM_DEV_SYS/new_port
355 NSIM_NETDEV=`get_netdev_name old_netdevs`
356
357 msg="create VxLANs"
358 exp0=( 0 0 0 0 ) # sleep is longer than out wait
359 new_vxlan vxlan0 10000 $NSIM_NETDEV
360
361 modprobe -r vxlan
362 modprobe -r udp_tunnel
363
364 msg="remove tunnels"
365 exp0=( 0 0 0 0 )
366 check_tables
367
368 msg="create VxLANs"
369 exp0=( 0 0 0 0 ) # sleep is longer than out wait
370 new_vxlan vxlan0 10000 $NSIM_NETDEV
371
372 exp0=( 0 0 0 0 )
373
374 modprobe -r netdevsim
375 modprobe netdevsim
376
377 # Overflow the table
378
379 function overflow_table0 {
380 local pfx=$1
381
382 msg="create VxLANs 1/5"
383 exp0=( `mke 10000 1` 0 0 0 )
384 new_vxlan vxlan0 10000 $NSIM_NETDEV
385
386 msg="create VxLANs 2/5"
387 exp0=( `mke 10000 1` `mke 10001 1` 0 0 )
388 new_vxlan vxlan1 10001 $NSIM_NETDEV
389
390 msg="create VxLANs 3/5"
391 exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` 0 )
392 new_vxlan vxlan2 10002 $NSIM_NETDEV
393
394 msg="create VxLANs 4/5"
395 exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` `mke 10003 1` )
396 new_vxlan vxlan3 10003 $NSIM_NETDEV
397
398 msg="create VxLANs 5/5"
399 new_vxlan vxlan4 10004 $NSIM_NETDEV
400 }
401
402 function overflow_table1 {
403 local pfx=$1
404
405 msg="create GENEVE 1/5"
406 exp1=( `mke 20000 2` 0 0 0 )
407 new_geneve gnv0 20000
408
409 msg="create GENEVE 2/5"
410 exp1=( `mke 20000 2` `mke 20001 2` 0 0 )
411 new_geneve gnv1 20001
412
413 msg="create GENEVE 3/5"
414 exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` 0 )
415 new_geneve gnv2 20002
416
417 msg="create GENEVE 4/5"
418 exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` `mke 20003 2` )
419 new_geneve gnv3 20003
420
421 msg="create GENEVE 5/5"
422 new_geneve gnv4 20004
423 }
424
425 echo $NSIM_ID > /sys/bus/netdevsim/new_device
426 echo 0 > $NSIM_DEV_SYS/del_port
427
428 for port in 0 1; do
429 if [ $port -ne 0 ]; then
430 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
431 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
432 fi
433
434 echo $port > $NSIM_DEV_SYS/new_port
435 NSIM_NETDEV=`get_netdev_name old_netdevs`
436 ip link set dev $NSIM_NETDEV up
437
438 overflow_table0 "overflow NIC table"
439 overflow_table1 "overflow NIC table"
440
441 msg="replace VxLAN in overflow table"
442 exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
443 del_dev vxlan1
444
445 msg="vacate VxLAN in overflow table"
446 exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
447 del_dev vxlan2
448
449 msg="replace GENEVE in overflow table"
450 exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
451 del_dev gnv1
452
453 msg="vacate GENEVE in overflow table"
454 exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
455 del_dev gnv2
456
457 msg="table sharing - share"
458 exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
459 new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
460
461 msg="table sharing - overflow"
462 new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
463 msg="table sharing - overflow v6"
464 new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
465
466 exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
467 del_dev gnv4
468
469 msg="destroy NIC"
470 echo $port > $NSIM_DEV_SYS/del_port
471
472 cleanup_tuns
473 exp0=( 0 0 0 0 )
474 exp1=( 0 0 0 0 )
475 done
476
477 cleanup_nsim
478
479 # Sync all
480 pfx="sync all"
481
482 echo $NSIM_ID > /sys/bus/netdevsim/new_device
483 echo 0 > $NSIM_DEV_SYS/del_port
484 echo 1 > $NSIM_DEV_DFS/udp_ports_sync_all
485
486 for port in 0 1; do
487 if [ $port -ne 0 ]; then
488 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
489 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
490 fi
491
492 echo $port > $NSIM_DEV_SYS/new_port
493 NSIM_NETDEV=`get_netdev_name old_netdevs`
494 ip link set dev $NSIM_NETDEV up
495
496 overflow_table0 "overflow NIC table"
497 overflow_table1 "overflow NIC table"
498
499 msg="replace VxLAN in overflow table"
500 exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
501 del_dev vxlan1
502
503 msg="vacate VxLAN in overflow table"
504 exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
505 del_dev vxlan2
506
507 msg="replace GENEVE in overflow table"
508 exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
509 del_dev gnv1
510
511 msg="vacate GENEVE in overflow table"
512 exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
513 del_dev gnv2
514
515 msg="table sharing - share"
516 exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
517 new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
518
519 msg="table sharing - overflow"
520 new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
521 msg="table sharing - overflow v6"
522 new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
523
524 exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
525 del_dev gnv4
526
527 msg="destroy NIC"
528 echo $port > $NSIM_DEV_SYS/del_port
529
530 cleanup_tuns
531 exp0=( 0 0 0 0 )
532 exp1=( 0 0 0 0 )
533 done
534
535 cleanup_nsim
536
537 # Destroy full NIC
538 pfx="destroy full"
539
540 echo $NSIM_ID > /sys/bus/netdevsim/new_device
541 echo 0 > $NSIM_DEV_SYS/del_port
542
543 for port in 0 1; do
544 if [ $port -ne 0 ]; then
545 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
546 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
547 fi
548
549 echo $port > $NSIM_DEV_SYS/new_port
550 NSIM_NETDEV=`get_netdev_name old_netdevs`
551 ip link set dev $NSIM_NETDEV up
552
553 overflow_table0 "destroy NIC"
554 overflow_table1 "destroy NIC"
555
556 msg="destroy NIC"
557 echo $port > $NSIM_DEV_SYS/del_port
558
559 cleanup_tuns
560 exp0=( 0 0 0 0 )
561 exp1=( 0 0 0 0 )
562 done
563
564 cleanup_nsim
565
566 # IPv4 only
567 pfx="IPv4 only"
568
569 echo $NSIM_ID > /sys/bus/netdevsim/new_device
570 echo 0 > $NSIM_DEV_SYS/del_port
571 echo 1 > $NSIM_DEV_DFS/udp_ports_ipv4_only
572
573 for port in 0 1; do
574 if [ $port -ne 0 ]; then
575 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
576 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
577 fi
578
579 echo $port > $NSIM_DEV_SYS/new_port
580 NSIM_NETDEV=`get_netdev_name old_netdevs`
581 ip link set dev $NSIM_NETDEV up
582
583 msg="create VxLANs v6"
584 new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
585
586 msg="create VxLANs v6"
587 new_vxlan vxlanA1 10000 $NSIM_NETDEV 6
588
589 ip link set dev vxlanA0 down
590 ip link set dev vxlanA0 up
591 check_tables
592
593 msg="create VxLANs v4"
594 exp0=( `mke 10000 1` 0 0 0 )
595 new_vxlan vxlan0 10000 $NSIM_NETDEV
596
597 msg="down VxLANs v4"
598 exp0=( 0 0 0 0 )
599 ip link set dev vxlan0 down
600 check_tables
601
602 msg="up VxLANs v4"
603 exp0=( `mke 10000 1` 0 0 0 )
604 ip link set dev vxlan0 up
605 check_tables
606
607 msg="destroy VxLANs v4"
608 exp0=( 0 0 0 0 )
609 del_dev vxlan0
610
611 msg="recreate VxLANs v4"
612 exp0=( `mke 10000 1` 0 0 0 )
613 new_vxlan vxlan0 10000 $NSIM_NETDEV
614
615 del_dev vxlanA0
616 del_dev vxlanA1
617
618 msg="destroy NIC"
619 echo $port > $NSIM_DEV_SYS/del_port
620
621 cleanup_tuns
622 exp0=( 0 0 0 0 )
623 exp1=( 0 0 0 0 )
624 done
625
626 cleanup_nsim
627
628 # Failures
629 pfx="error injection"
630
631 echo $NSIM_ID > /sys/bus/netdevsim/new_device
632 echo 0 > $NSIM_DEV_SYS/del_port
633
634 for port in 0 1; do
635 if [ $port -ne 0 ]; then
636 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
637 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
638 fi
639
640 echo $port > $NSIM_DEV_SYS/new_port
641 NSIM_NETDEV=`get_netdev_name old_netdevs`
642 ip link set dev $NSIM_NETDEV up
643
644 echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error
645
646 msg="1 - create VxLANs v6"
647 exp0=( 0 0 0 0 )
648 new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
649
650 msg="1 - create VxLANs v4"
651 exp0=( `mke 10000 1` 0 0 0 )
652 new_vxlan vxlan0 10000 $NSIM_NETDEV
653
654 msg="1 - remove VxLANs v4"
655 del_dev vxlan0
656
657 msg="1 - remove VxLANs v6"
658 exp0=( 0 0 0 0 )
659 del_dev vxlanA0
660
661 msg="2 - create GENEVE"
662 exp1=( `mke 20000 2` 0 0 0 )
663 new_geneve gnv0 20000
664
665 msg="2 - destroy GENEVE"
666 echo 2 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error
667 exp1=( `mke 20000 2` 0 0 0 )
668 del_dev gnv0
669
670 msg="2 - create second GENEVE"
671 exp1=( 0 `mke 20001 2` 0 0 )
672 new_geneve gnv0 20001
673
674 msg="destroy NIC"
675 echo $port > $NSIM_DEV_SYS/del_port
676
677 cleanup_tuns
678 exp0=( 0 0 0 0 )
679 exp1=( 0 0 0 0 )
680 done
681
682 cleanup_nsim
683
684 # netdev flags
685 pfx="netdev flags"
686
687 echo $NSIM_ID > /sys/bus/netdevsim/new_device
688 echo 0 > $NSIM_DEV_SYS/del_port
689
690 for port in 0 1; do
691 if [ $port -ne 0 ]; then
692 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
693 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
694 fi
695
696 echo $port > $NSIM_DEV_SYS/new_port
697 NSIM_NETDEV=`get_netdev_name old_netdevs`
698 ip link set dev $NSIM_NETDEV up
699
700 msg="create VxLANs v6"
701 exp0=( `mke 10000 1` 0 0 0 )
702 new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
703
704 msg="create VxLANs v4"
705 new_vxlan vxlan0 10000 $NSIM_NETDEV
706
707 msg="turn off"
708 exp0=( 0 0 0 0 )
709 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
710 check_tables
711
712 msg="turn on"
713 exp0=( `mke 10000 1` 0 0 0 )
714 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
715 check_tables
716
717 msg="remove both"
718 del_dev vxlanA0
719 exp0=( 0 0 0 0 )
720 del_dev vxlan0
721 check_tables
722
723 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
724
725 msg="create VxLANs v4 - off"
726 exp0=( 0 0 0 0 )
727 new_vxlan vxlan0 10000 $NSIM_NETDEV
728
729 msg="created off - turn on"
730 exp0=( `mke 10000 1` 0 0 0 )
731 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
732 check_tables
733
734 msg="destroy NIC"
735 echo $port > $NSIM_DEV_SYS/del_port
736
737 cleanup_tuns
738 exp0=( 0 0 0 0 )
739 exp1=( 0 0 0 0 )
740 done
741
742 cleanup_nsim
743
744 # device initiated reset
745 pfx="reset notification"
746
747 echo $NSIM_ID > /sys/bus/netdevsim/new_device
748 echo 0 > $NSIM_DEV_SYS/del_port
749
750 for port in 0 1; do
751 if [ $port -ne 0 ]; then
752 echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
753 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
754 fi
755
756 echo $port > $NSIM_DEV_SYS/new_port
757 NSIM_NETDEV=`get_netdev_name old_netdevs`
758 ip link set dev $NSIM_NETDEV up
759
760 msg="create VxLANs v6"
761 exp0=( `mke 10000 1` 0 0 0 )
762 new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
763
764 msg="create VxLANs v4"
765 new_vxlan vxlan0 10000 $NSIM_NETDEV
766
767 echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset
768 check_tables
769
770 msg="NIC device goes down"
771 ip link set dev $NSIM_NETDEV down
772 if [ $port -eq 1 ]; then
773 exp0=( 0 0 0 0 )
774 exp1=( 0 0 0 0 )
775 fi
776 check_tables
777
778 echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset
779 check_tables
780
781 msg="NIC device goes up again"
782 ip link set dev $NSIM_NETDEV up
783 exp0=( `mke 10000 1` 0 0 0 )
784 check_tables
785
786 msg="remove both"
787 del_dev vxlanA0
788 exp0=( 0 0 0 0 )
789 del_dev vxlan0
790 check_tables
791
792 echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset
793 check_tables
794
795 msg="destroy NIC"
796 echo $port > $NSIM_DEV_SYS/del_port
797
798 cleanup_tuns
799 exp0=( 0 0 0 0 )
800 exp1=( 0 0 0 0 )
801 done
802
803 cleanup_nsim
804
805 # shared port tables
806 pfx="table sharing"
807
808 echo $NSIM_ID > /sys/bus/netdevsim/new_device
809 echo 0 > $NSIM_DEV_SYS/del_port
810
811 echo 0 > $NSIM_DEV_DFS/udp_ports_open_only
812 echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
813 echo 1 > $NSIM_DEV_DFS/udp_ports_shared
814
815 old_netdevs=$(ls /sys/class/net)
816 echo 1 > $NSIM_DEV_SYS/new_port
817 NSIM_NETDEV=`get_netdev_name old_netdevs`
818 old_netdevs=$(ls /sys/class/net)
819 echo 2 > $NSIM_DEV_SYS/new_port
820 NSIM_NETDEV2=`get_netdev_name old_netdevs`
821
822 msg="VxLAN v4 devices"
823 exp0=( `mke 4789 1` 0 0 0 )
824 exp1=( 0 0 0 0 )
825 new_vxlan vxlan0 4789 $NSIM_NETDEV
826 new_vxlan vxlan1 4789 $NSIM_NETDEV2
827
828 msg="VxLAN v4 devices go down"
829 exp0=( 0 0 0 0 )
830 ip link set dev vxlan1 down
831 ip link set dev vxlan0 down
832 check_tables
833
834 for ifc in vxlan0 vxlan1; do
835 ip link set dev $ifc up
836 done
837
838 msg="VxLAN v6 device"
839 exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
840 new_vxlan vxlanC 4790 $NSIM_NETDEV 6
841
842 msg="Geneve device"
843 exp1=( `mke 6081 2` 0 0 0 )
844 new_geneve gnv0 6081
845
846 msg="NIC device goes down"
847 ip link set dev $NSIM_NETDEV down
848 check_tables
849
850 msg="NIC device goes up again"
851 ip link set dev $NSIM_NETDEV up
852 check_tables
853
854 for i in `seq 2`; do
855 msg="turn feature off - 1, rep $i"
856 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
857 check_tables
858
859 msg="turn feature off - 2, rep $i"
860 exp0=( 0 0 0 0 )
861 exp1=( 0 0 0 0 )
862 ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload off
863 check_tables
864
865 msg="turn feature on - 1, rep $i"
866 exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
867 exp1=( `mke 6081 2` 0 0 0 )
868 ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
869 check_tables
870
871 msg="turn feature on - 2, rep $i"
872 ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload on
873 check_tables
874 done
875
876 msg="tunnels destroyed 1"
877 cleanup_tuns
878 exp0=( 0 0 0 0 )
879 exp1=( 0 0 0 0 )
880 check_tables
881
882 overflow_table0 "overflow NIC table"
883
884 msg="re-add a port"
885
886 echo 2 > $NSIM_DEV_SYS/del_port
887 echo 2 > $NSIM_DEV_SYS/new_port
888 NSIM_NETDEV=`get_netdev_name old_netdevs`
889 check_tables
890
891 msg="replace VxLAN in overflow table"
892 exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
893 del_dev vxlan1
894
895 msg="vacate VxLAN in overflow table"
896 exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
897 del_dev vxlan2
898
899 echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset
900 check_tables
901
902 msg="tunnels destroyed 2"
903 cleanup_tuns
904 exp0=( 0 0 0 0 )
905 exp1=( 0 0 0 0 )
906 check_tables
907
908 echo 1 > $NSIM_DEV_SYS/del_port
909 echo 2 > $NSIM_DEV_SYS/del_port
910
911 cleanup_nsim
912
913 # Static IANA port
914 pfx="static IANA vxlan"
915
916 echo $NSIM_ID > /sys/bus/netdevsim/new_device
917 echo 0 > $NSIM_DEV_SYS/del_port
918
919 echo 1 > $NSIM_DEV_DFS/udp_ports_static_iana_vxlan
920 STATIC_ENTRIES=( `mke 4789 1` )
921
922 port=1
923 old_netdevs=$(ls /sys/class/net)
924 echo $port > $NSIM_DEV_SYS/new_port
925 NSIM_NETDEV=`get_netdev_name old_netdevs`
926
927 msg="check empty"
928 exp0=( 0 0 0 0 )
929 exp1=( 0 0 0 0 )
930 check_tables
931
932 msg="add on static port"
933 new_vxlan vxlan0 4789 $NSIM_NETDEV
934 new_vxlan vxlan1 4789 $NSIM_NETDEV
935
936 msg="add on different port"
937 exp0=( `mke 4790 1` 0 0 0 )
938 new_vxlan vxlan2 4790 $NSIM_NETDEV
939
940 cleanup_tuns
941
942 msg="tunnels destroyed"
943 exp0=( 0 0 0 0 )
944 exp1=( 0 0 0 0 )
945 check_tables
946
947 msg="different type"
948 new_geneve gnv0 4789
949
950 cleanup_tuns
951 cleanup_nsim
952
953 # END
954
955 modprobe -r netdevsim
956
957 if [ $num_errors -eq 0 ]; then
958 echo "PASSED all $num_cases checks"
959 else
960 echo "FAILED $num_errors/$num_cases checks"
961 fi
962
963 exit $EXIT_STATUS
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