1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0-only
3
4VNI_GEN=$RANDOM
5NSIM_ID=$((RANDOM % 1024))
6NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID
7NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID
8NSIM_NETDEV=
9HAS_ETHTOOL=
10STATIC_ENTRIES=
11EXIT_STATUS=0
12num_cases=0
13num_errors=0
14
15clean_up_devs=( )
16
17function err_cnt {
18    echo "ERROR:" $@
19    EXIT_STATUS=1
20    ((num_errors++))
21    ((num_cases++))
22}
23
24function pass_cnt {
25    ((num_cases++))
26}
27
28function cleanup_tuns {
29    for dev in "${clean_up_devs[@]}"; do
30	[ -e /sys/class/net/$dev ] && ip link del dev $dev
31    done
32    clean_up_devs=( )
33}
34
35function cleanup_nsim {
36    if [ -e $NSIM_DEV_SYS ]; then
37	echo $NSIM_ID > /sys/bus/netdevsim/del_device
38    fi
39}
40
41function cleanup {
42    cleanup_tuns
43    cleanup_nsim
44}
45
46trap cleanup EXIT
47
48function 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
75function 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
100function 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
108function mke {
109    local port=$1
110    local type=$2
111
112    echo $((port << 16 | type))
113}
114
115function pre {
116    local val=$1
117
118    echo -e "port: $((val >> 16))\ttype: $((val & 0xffff))"
119}
120
121function 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, $type_name"
142}
143
144function check_table {
145    local path=$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
185function 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	[ $fail == 0 ] && pass_cnt
211    fi
212}
213
214function print_table {
215    local path=$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
228function print_tables {
229    print_table 0
230    print_table 1
231}
232
233function 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 $netdev
246	    break
247	fi
248    done
249}
250
251###
252### Code start
253###
254
255# Probe ethtool support
256ethtool -h | grep show-tunnels 2>&1 >/dev/null && HAS_ETHTOOL=y
257
258modprobe netdevsim
259
260# Basic test
261pfx="basic"
262
263for port in 0 1; do
264    old_netdevs=$(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_SYS/new_port
270    fi
271    NSIM_NETDEV=`get_netdev_name old_netdevs`
272    ip link set dev $NSIM_NETDEV up
273
274    msg="new NIC device created"
275    exp0=( 0 0 0 0 )
276    exp1=( 0 0 0 0 )
277    check_tables
278
279    msg="VxLAN v4 devices"
280    exp0=( `mke 4789 1` 0 0 0 )
281    new_vxlan vxlan0 4789 $NSIM_NETDEV
282    new_vxlan vxlan1 4789 $NSIM_NETDEV
283
284    msg="VxLAN v4 devices go down"
285    exp0=( 0 0 0 0 )
286    ip link set dev vxlan1 down
287    ip link set dev vxlan0 down
288    check_tables
289
290    msg="VxLAN v6 devices"
291    exp0=( `mke 4789 1` 0 0 0 )
292    new_vxlan vxlanA 4789 $NSIM_NETDEV 6
293
294    for ifc in vxlan0 vxlan1; do
295	ip link set dev $ifc up
296    done
297
298    new_vxlan vxlanB 4789 $NSIM_NETDEV 6
299
300    msg="another VxLAN v6 devices"
301    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
302    new_vxlan vxlanC 4790 $NSIM_NETDEV 6
303
304    msg="Geneve device"
305    exp1=( `mke 6081 2` 0 0 0 )
306    new_geneve gnv0 6081
307
308    msg="NIC device goes down"
309    ip link set dev $NSIM_NETDEV down
310    if [ $port -eq 1 ]; then
311	exp0=( 0 0 0 0 )
312	exp1=( 0 0 0 0 )
313    fi
314    check_tables
315    msg="NIC device goes up again"
316    ip link set dev $NSIM_NETDEV up
317    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
318    exp1=( `mke 6081 2` 0 0 0 )
319    check_tables
320
321    cleanup_tuns
322
323    msg="tunnels destroyed"
324    exp0=( 0 0 0 0 )
325    exp1=( 0 0 0 0 )
326    check_tables
327
328    modprobe -r geneve
329    modprobe -r vxlan
330    modprobe -r udp_tunnel
331
332    check_tables
333done
334
335modprobe -r netdevsim
336
337# Module tests
338pfx="module tests"
339
340if modinfo netdevsim | grep udp_tunnel >/dev/null; then
341    err_cnt "netdevsim depends on udp_tunnel"
342else
343    pass_cnt
344fi
345
346modprobe netdevsim
347
348old_netdevs=$(ls /sys/class/net)
349port=0
350echo $NSIM_ID > /sys/bus/netdevsim/new_device
351echo 0 > $NSIM_DEV_SYS/del_port
352echo 0 > $NSIM_DEV_SYS/new_port
353NSIM_NETDEV=`get_netdev_name old_netdevs`
354
355msg="create VxLANs"
356exp0=( `mke 10000 1` 0 0 0 )
357new_vxlan vxlan0 10000 $NSIM_NETDEV
358
359exp0=( 0 0 0 0 )
360
361modprobe -r netdevsim
362modprobe netdevsim
363
364# Overflow the table
365
366function overflow_table0 {
367    local pfx=$1
368
369    msg="create VxLANs 1/5"
370    exp0=( `mke 10000 1` 0 0 0 )
371    new_vxlan vxlan0 10000 $NSIM_NETDEV
372
373    msg="create VxLANs 2/5"
374    exp0=( `mke 10000 1` `mke 10001 1` 0 0 )
375    new_vxlan vxlan1 10001 $NSIM_NETDEV
376
377    msg="create VxLANs 3/5"
378    exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` 0 )
379    new_vxlan vxlan2 10002 $NSIM_NETDEV
380
381    msg="create VxLANs 4/5"
382    exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` `mke 10003 1` )
383    new_vxlan vxlan3 10003 $NSIM_NETDEV
384
385    msg="create VxLANs 5/5"
386    new_vxlan vxlan4 10004 $NSIM_NETDEV
387}
388
389function overflow_table1 {
390    local pfx=$1
391
392    msg="create GENEVE 1/5"
393    exp1=( `mke 20000 2` 0 0 0 )
394    new_geneve gnv0 20000
395
396    msg="create GENEVE 2/5"
397    exp1=( `mke 20000 2` `mke 20001 2` 0 0 )
398    new_geneve gnv1 20001
399
400    msg="create GENEVE 3/5"
401    exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` 0 )
402    new_geneve gnv2 20002
403
404    msg="create GENEVE 4/5"
405    exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` `mke 20003 2` )
406    new_geneve gnv3 20003
407
408    msg="create GENEVE 5/5"
409    new_geneve gnv4 20004
410}
411
412echo $NSIM_ID > /sys/bus/netdevsim/new_device
413echo 0 > $NSIM_DEV_SYS/del_port
414
415for port in 0 1; do
416    if [ $port -ne 0 ]; then
417	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
418    fi
419
420    echo $port > $NSIM_DEV_SYS/new_port
421    NSIM_NETDEV=`get_netdev_name old_netdevs`
422    ip link set dev $NSIM_NETDEV up
423
424    overflow_table0 "overflow NIC table"
425    overflow_table1 "overflow NIC table"
426
427    msg="replace VxLAN in overflow table"
428    exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
429    del_dev vxlan1
430
431    msg="vacate VxLAN in overflow table"
432    exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
433    del_dev vxlan2
434
435    msg="replace GENEVE in overflow table"
436    exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
437    del_dev gnv1
438
439    msg="vacate GENEVE in overflow table"
440    exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
441    del_dev gnv2
442
443    msg="table sharing - share"
444    exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
445    new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
446
447    msg="table sharing - overflow"
448    new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
449    msg="table sharing - overflow v6"
450    new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
451
452    exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
453    del_dev gnv4
454
455    msg="destroy NIC"
456    echo $port > $NSIM_DEV_SYS/del_port
457
458    cleanup_tuns
459    exp0=( 0 0 0 0 )
460    exp1=( 0 0 0 0 )
461done
462
463cleanup_nsim
464
465# Sync all
466pfx="sync all"
467
468echo $NSIM_ID > /sys/bus/netdevsim/new_device
469echo 0 > $NSIM_DEV_SYS/del_port
470echo 1 > $NSIM_DEV_DFS/udp_ports_sync_all
471
472for port in 0 1; do
473    if [ $port -ne 0 ]; then
474	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
475    fi
476
477    echo $port > $NSIM_DEV_SYS/new_port
478    NSIM_NETDEV=`get_netdev_name old_netdevs`
479    ip link set dev $NSIM_NETDEV up
480
481    overflow_table0 "overflow NIC table"
482    overflow_table1 "overflow NIC table"
483
484    msg="replace VxLAN in overflow table"
485    exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
486    del_dev vxlan1
487
488    msg="vacate VxLAN in overflow table"
489    exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
490    del_dev vxlan2
491
492    msg="replace GENEVE in overflow table"
493    exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
494    del_dev gnv1
495
496    msg="vacate GENEVE in overflow table"
497    exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
498    del_dev gnv2
499
500    msg="table sharing - share"
501    exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
502    new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
503
504    msg="table sharing - overflow"
505    new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
506    msg="table sharing - overflow v6"
507    new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
508
509    exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
510    del_dev gnv4
511
512    msg="destroy NIC"
513    echo $port > $NSIM_DEV_SYS/del_port
514
515    cleanup_tuns
516    exp0=( 0 0 0 0 )
517    exp1=( 0 0 0 0 )
518done
519
520cleanup_nsim
521
522# Destroy full NIC
523pfx="destroy full"
524
525echo $NSIM_ID > /sys/bus/netdevsim/new_device
526echo 0 > $NSIM_DEV_SYS/del_port
527
528for port in 0 1; do
529    if [ $port -ne 0 ]; then
530	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
531    fi
532
533    echo $port > $NSIM_DEV_SYS/new_port
534    NSIM_NETDEV=`get_netdev_name old_netdevs`
535    ip link set dev $NSIM_NETDEV up
536
537    overflow_table0 "destroy NIC"
538    overflow_table1 "destroy NIC"
539
540    msg="destroy NIC"
541    echo $port > $NSIM_DEV_SYS/del_port
542
543    cleanup_tuns
544    exp0=( 0 0 0 0 )
545    exp1=( 0 0 0 0 )
546done
547
548cleanup_nsim
549
550# IPv4 only
551pfx="IPv4 only"
552
553echo $NSIM_ID > /sys/bus/netdevsim/new_device
554echo 0 > $NSIM_DEV_SYS/del_port
555echo 1 > $NSIM_DEV_DFS/udp_ports_ipv4_only
556
557for port in 0 1; do
558    if [ $port -ne 0 ]; then
559	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
560    fi
561
562    echo $port > $NSIM_DEV_SYS/new_port
563    NSIM_NETDEV=`get_netdev_name old_netdevs`
564    ip link set dev $NSIM_NETDEV up
565
566    msg="create VxLANs v6"
567    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
568
569    msg="create VxLANs v6"
570    new_vxlan vxlanA1 10000 $NSIM_NETDEV 6
571
572    ip link set dev vxlanA0 down
573    ip link set dev vxlanA0 up
574    check_tables
575
576    msg="create VxLANs v4"
577    exp0=( `mke 10000 1` 0 0 0 )
578    new_vxlan vxlan0 10000 $NSIM_NETDEV
579
580    msg="down VxLANs v4"
581    exp0=( 0 0 0 0 )
582    ip link set dev vxlan0 down
583    check_tables
584
585    msg="up VxLANs v4"
586    exp0=( `mke 10000 1` 0 0 0 )
587    ip link set dev vxlan0 up
588    check_tables
589
590    msg="destroy VxLANs v4"
591    exp0=( 0 0 0 0 )
592    del_dev vxlan0
593
594    msg="recreate VxLANs v4"
595    exp0=( `mke 10000 1` 0 0 0 )
596    new_vxlan vxlan0 10000 $NSIM_NETDEV
597
598    del_dev vxlanA0
599    del_dev vxlanA1
600
601    msg="destroy NIC"
602    echo $port > $NSIM_DEV_SYS/del_port
603
604    cleanup_tuns
605    exp0=( 0 0 0 0 )
606    exp1=( 0 0 0 0 )
607done
608
609cleanup_nsim
610
611# Failures
612pfx="error injection"
613
614echo $NSIM_ID > /sys/bus/netdevsim/new_device
615echo 0 > $NSIM_DEV_SYS/del_port
616
617for port in 0 1; do
618    if [ $port -ne 0 ]; then
619	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
620    fi
621
622    echo $port > $NSIM_DEV_SYS/new_port
623    NSIM_NETDEV=`get_netdev_name old_netdevs`
624    ip link set dev $NSIM_NETDEV up
625
626    echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports/inject_error
627
628    msg="1 - create VxLANs v6"
629    exp0=( 0 0 0 0 )
630    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
631
632    msg="1 - create VxLANs v4"
633    exp0=( `mke 10000 1` 0 0 0 )
634    new_vxlan vxlan0 10000 $NSIM_NETDEV
635
636    msg="1 - remove VxLANs v4"
637    del_dev vxlan0
638
639    msg="1 - remove VxLANs v6"
640    exp0=( 0 0 0 0 )
641    del_dev vxlanA0
642
643    msg="2 - create GENEVE"
644    exp1=( `mke 20000 2` 0 0 0 )
645    new_geneve gnv0 20000
646
647    msg="2 - destroy GENEVE"
648    echo 2 > $NSIM_DEV_DFS/ports/$port/udp_ports/inject_error
649    exp1=( `mke 20000 2` 0 0 0 )
650    del_dev gnv0
651
652    msg="2 - create second GENEVE"
653    exp1=( 0 `mke 20001 2` 0 0 )
654    new_geneve gnv0 20001
655
656    msg="destroy NIC"
657    echo $port > $NSIM_DEV_SYS/del_port
658
659    cleanup_tuns
660    exp0=( 0 0 0 0 )
661    exp1=( 0 0 0 0 )
662done
663
664cleanup_nsim
665
666# netdev flags
667pfx="netdev flags"
668
669echo $NSIM_ID > /sys/bus/netdevsim/new_device
670echo 0 > $NSIM_DEV_SYS/del_port
671
672for port in 0 1; do
673    if [ $port -ne 0 ]; then
674	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
675    fi
676
677    echo $port > $NSIM_DEV_SYS/new_port
678    NSIM_NETDEV=`get_netdev_name old_netdevs`
679    ip link set dev $NSIM_NETDEV up
680
681    msg="create VxLANs v6"
682    exp0=( `mke 10000 1` 0 0 0 )
683    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
684
685    msg="create VxLANs v4"
686    new_vxlan vxlan0 10000 $NSIM_NETDEV
687
688    msg="turn off"
689    exp0=( 0 0 0 0 )
690    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
691    check_tables
692
693    msg="turn on"
694    exp0=( `mke 10000 1` 0 0 0 )
695    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
696    check_tables
697
698    msg="remove both"
699    del_dev vxlanA0
700    exp0=( 0 0 0 0 )
701    del_dev vxlan0
702    check_tables
703
704    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
705
706    msg="create VxLANs v4 - off"
707    exp0=( 0 0 0 0 )
708    new_vxlan vxlan0 10000 $NSIM_NETDEV
709
710    msg="created off - turn on"
711    exp0=( `mke 10000 1` 0 0 0 )
712    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
713    check_tables
714
715    msg="destroy NIC"
716    echo $port > $NSIM_DEV_SYS/del_port
717
718    cleanup_tuns
719    exp0=( 0 0 0 0 )
720    exp1=( 0 0 0 0 )
721done
722
723cleanup_nsim
724
725# device initiated reset
726pfx="reset notification"
727
728echo $NSIM_ID > /sys/bus/netdevsim/new_device
729echo 0 > $NSIM_DEV_SYS/del_port
730
731for port in 0 1; do
732    if [ $port -ne 0 ]; then
733	echo 1 > $NSIM_DEV_DFS/udp_ports_open_only
734    fi
735
736    echo $port > $NSIM_DEV_SYS/new_port
737    NSIM_NETDEV=`get_netdev_name old_netdevs`
738    ip link set dev $NSIM_NETDEV up
739
740    msg="create VxLANs v6"
741    exp0=( `mke 10000 1` 0 0 0 )
742    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
743
744    msg="create VxLANs v4"
745    new_vxlan vxlan0 10000 $NSIM_NETDEV
746
747    echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset
748    check_tables
749
750    msg="NIC device goes down"
751    ip link set dev $NSIM_NETDEV down
752    if [ $port -eq 1 ]; then
753	exp0=( 0 0 0 0 )
754	exp1=( 0 0 0 0 )
755    fi
756    check_tables
757
758    echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset
759    check_tables
760
761    msg="NIC device goes up again"
762    ip link set dev $NSIM_NETDEV up
763    exp0=( `mke 10000 1` 0 0 0 )
764    check_tables
765
766    msg="remove both"
767    del_dev vxlanA0
768    exp0=( 0 0 0 0 )
769    del_dev vxlan0
770    check_tables
771
772    echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset
773    check_tables
774
775    msg="destroy NIC"
776    echo $port > $NSIM_DEV_SYS/del_port
777
778    cleanup_tuns
779    exp0=( 0 0 0 0 )
780    exp1=( 0 0 0 0 )
781done
782
783cleanup_nsim
784
785# shared port tables
786pfx="table sharing"
787
788echo $NSIM_ID > /sys/bus/netdevsim/new_device
789echo 0 > $NSIM_DEV_SYS/del_port
790
791echo 0 > $NSIM_DEV_DFS/udp_ports_open_only
792echo 1 > $NSIM_DEV_DFS/udp_ports_shared
793
794old_netdevs=$(ls /sys/class/net)
795echo 1 > $NSIM_DEV_SYS/new_port
796NSIM_NETDEV=`get_netdev_name old_netdevs`
797old_netdevs=$(ls /sys/class/net)
798echo 2 > $NSIM_DEV_SYS/new_port
799NSIM_NETDEV2=`get_netdev_name old_netdevs`
800
801msg="VxLAN v4 devices"
802exp0=( `mke 4789 1` 0 0 0 )
803exp1=( 0 0 0 0 )
804new_vxlan vxlan0 4789 $NSIM_NETDEV
805new_vxlan vxlan1 4789 $NSIM_NETDEV2
806
807msg="VxLAN v4 devices go down"
808exp0=( 0 0 0 0 )
809ip link set dev vxlan1 down
810ip link set dev vxlan0 down
811check_tables
812
813for ifc in vxlan0 vxlan1; do
814    ip link set dev $ifc up
815done
816
817msg="VxLAN v6 device"
818exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
819new_vxlan vxlanC 4790 $NSIM_NETDEV 6
820
821msg="Geneve device"
822exp1=( `mke 6081 2` 0 0 0 )
823new_geneve gnv0 6081
824
825msg="NIC device goes down"
826ip link set dev $NSIM_NETDEV down
827check_tables
828
829msg="NIC device goes up again"
830ip link set dev $NSIM_NETDEV up
831check_tables
832
833for i in `seq 2`; do
834    msg="turn feature off - 1, rep $i"
835    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
836    check_tables
837
838    msg="turn feature off - 2, rep $i"
839    exp0=( 0 0 0 0 )
840    exp1=( 0 0 0 0 )
841    ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload off
842    check_tables
843
844    msg="turn feature on - 1, rep $i"
845    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
846    exp1=( `mke 6081 2` 0 0 0 )
847    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
848    check_tables
849
850    msg="turn feature on - 2, rep $i"
851    ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload on
852    check_tables
853done
854
855msg="tunnels destroyed 1"
856cleanup_tuns
857exp0=( 0 0 0 0 )
858exp1=( 0 0 0 0 )
859check_tables
860
861overflow_table0 "overflow NIC table"
862
863msg="re-add a port"
864
865echo 2 > $NSIM_DEV_SYS/del_port
866echo 2 > $NSIM_DEV_SYS/new_port
867NSIM_NETDEV=`get_netdev_name old_netdevs`
868check_tables
869
870msg="replace VxLAN in overflow table"
871exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
872del_dev vxlan1
873
874msg="vacate VxLAN in overflow table"
875exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
876del_dev vxlan2
877
878echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset
879check_tables
880
881msg="tunnels destroyed 2"
882cleanup_tuns
883exp0=( 0 0 0 0 )
884exp1=( 0 0 0 0 )
885check_tables
886
887echo 1 > $NSIM_DEV_SYS/del_port
888echo 2 > $NSIM_DEV_SYS/del_port
889
890cleanup_nsim
891
892# Static IANA port
893pfx="static IANA vxlan"
894
895echo $NSIM_ID > /sys/bus/netdevsim/new_device
896echo 0 > $NSIM_DEV_SYS/del_port
897
898echo 1 > $NSIM_DEV_DFS/udp_ports_static_iana_vxlan
899STATIC_ENTRIES=( `mke 4789 1` )
900
901port=1
902old_netdevs=$(ls /sys/class/net)
903echo $port > $NSIM_DEV_SYS/new_port
904NSIM_NETDEV=`get_netdev_name old_netdevs`
905
906msg="check empty"
907exp0=( 0 0 0 0 )
908exp1=( 0 0 0 0 )
909check_tables
910
911msg="add on static port"
912new_vxlan vxlan0 4789 $NSIM_NETDEV
913new_vxlan vxlan1 4789 $NSIM_NETDEV
914
915msg="add on different port"
916exp0=( `mke 4790 1` 0 0 0 )
917new_vxlan vxlan2 4790 $NSIM_NETDEV
918
919cleanup_tuns
920
921msg="tunnels destroyed"
922exp0=( 0 0 0 0 )
923exp1=( 0 0 0 0 )
924check_tables
925
926msg="different type"
927new_geneve gnv0	4789
928
929cleanup_tuns
930cleanup_nsim
931
932# END
933
934modprobe -r netdevsim
935
936if [ $num_errors -eq 0 ]; then
937    echo "PASSED all $num_cases checks"
938else
939    echo "FAILED $num_errors/$num_cases checks"
940fi
941
942exit $EXIT_STATUS
943