3 AT_SETUP([ofproto - echo request])
5 AT_CHECK([ovs-ofctl -vANY:ANY:WARN probe br0])
9 AT_SETUP([ofproto - feature request, config request])
11 AT_CHECK([ovs-ofctl -vANY:ANY:WARN show br0], [0], [stdout])
12 AT_CHECK([STRIP_XIDS stdout], [0], [dnl
13 OFPT_FEATURES_REPLY: ver:0x1, dpid:fedcba9876543210
14 n_tables:255, n_buffers:256
15 features: capabilities:0xc7, actions:0xfff
16 LOCAL(br0): addr:aa:55:aa:55:00:00
19 OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
24 dnl This is really bare-bones.
25 dnl It at least checks request and reply serialization and deserialization.
26 AT_SETUP([ofproto - port stats])
28 AT_CHECK([ovs-ofctl -vANY:ANY:WARN dump-ports br0], [0], [stdout])
29 AT_CHECK([STRIP_XIDS stdout], [0], [dnl
30 OFPST_PORT reply: 1 ports
31 port 65534: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
32 tx pkts=0, bytes=0, drop=0, errs=0, coll=0
37 dnl This is really bare-bones.
38 dnl It at least checks request and reply serialization and deserialization.
39 AT_SETUP([ofproto - queue stats])
41 AT_CHECK([ovs-ofctl -vANY:ANY:WARN queue-stats br0], [0], [stdout])
42 AT_CHECK([STRIP_XIDS stdout], [0], [dnl
43 OFPST_QUEUE reply: 0 queues
48 AT_SETUP([ofproto - mod-port])
50 for command_config_state in \
52 'noflood NO_FLOOD 0' \
53 'down PORT_DOWN,NO_FLOOD LINK_DOWN' \
54 'flood PORT_DOWN LINK_DOWN'
56 set $command_config_state
57 command=$[1] config=`echo $[2] | sed 's/,/ /g'` state=$[3]
58 AT_CHECK([ovs-ofctl -vANY:ANY:WARN mod-port br0 br0 $command])
59 AT_CHECK([ovs-ofctl -vANY:ANY:WARN show br0], [0], [stdout])
60 AT_CHECK_UNQUOTED([STRIP_XIDS stdout], [0], [dnl
61 OFPT_FEATURES_REPLY: ver:0x1, dpid:fedcba9876543210
62 n_tables:255, n_buffers:256
63 features: capabilities:0xc7, actions:0xfff
64 LOCAL(br0): addr:aa:55:aa:55:00:00
67 OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
73 AT_SETUP([ofproto - basic flow_mod commands (NXM)])
75 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
77 AT_CHECK([echo 'in_port=1,actions=0' | ovs-ofctl add-flows br0 -])
78 AT_CHECK([ovs-ofctl add-flow br0 in_port=0,actions=1])
79 AT_CHECK([ovs-ofctl -F nxm add-flow br0 table=1,in_port=3,actions=2])
80 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
81 in_port=0 actions=output:1
82 in_port=1 actions=output:0
83 table=1, in_port=3 actions=output:2
86 AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
87 NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
89 AT_CHECK([ovs-ofctl del-flows br0])
90 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
95 AT_SETUP([ofproto - basic flow_mod commands (OpenFlow 1.0)])
97 AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
99 AT_CHECK([echo 'in_port=1,actions=0' | ovs-ofctl -F openflow10 add-flows br0 -])
100 AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 in_port=0,actions=1])
101 AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 table=1,in_port=3,actions=2])
102 AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip | sort], [0], [dnl
103 in_port=0 actions=output:1
104 in_port=1 actions=output:0
105 table=1, in_port=3 actions=output:2
108 AT_CHECK([ovs-ofctl -F openflow10 dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
109 OFPST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
111 AT_CHECK([ovs-ofctl -F openflow10 del-flows br0])
112 AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
117 AT_SETUP([ofproto - dump flows with cookie])
119 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
120 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
121 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
122 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
123 cookie=0x1, in_port=1 actions=output:0
124 cookie=0x2, in_port=2 actions=output:0
125 cookie=0x3, in_port=3 actions=output:0
128 AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
129 NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
131 AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3 | ofctl_strip | sort], [0], [dnl
132 cookie=0x3, in_port=3 actions=output:0
135 AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3 | STRIP_XIDS], [0], [dnl
136 NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=1
141 AT_SETUP([ofproto - dump flows with cookie mask])
143 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
144 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
145 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
146 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
147 cookie=0x1, in_port=1 actions=output:0
148 cookie=0x2, in_port=2 actions=output:0
149 cookie=0x3, in_port=3 actions=output:0
152 AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
153 NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
155 AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3/0x1 | ofctl_strip | sort], [0], [dnl
156 cookie=0x1, in_port=1 actions=output:0
157 cookie=0x3, in_port=3 actions=output:0
160 AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3/0x1 | STRIP_XIDS], [0], [dnl
161 NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
166 AT_SETUP([ofproto - del flows with cookie])
168 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
169 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
170 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
171 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
172 cookie=0x1, in_port=1 actions=output:0
173 cookie=0x2, in_port=2 actions=output:0
174 cookie=0x3, in_port=3 actions=output:0
178 AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3])
179 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
180 cookie=0x1, in_port=1 actions=output:0
181 cookie=0x2, in_port=2 actions=output:0
187 AT_SETUP([ofproto - del flows with cookie mask])
189 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
190 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
191 AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
192 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
193 cookie=0x1, in_port=1 actions=output:0
194 cookie=0x2, in_port=2 actions=output:0
195 cookie=0x3, in_port=3 actions=output:0
198 AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3/0x1])
199 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
200 cookie=0x2, in_port=2 actions=output:0
206 AT_SETUP([ofproto - flow table configuration])
208 # Check the default configuration.
209 (echo "OFPST_TABLE reply (xid=0x1): 255 tables
210 0: classifier: wild=0x3fffff, max=1000000, active=0
213 while test $x -lt 255; do
214 printf " %d: %-8s: wild=0x3fffff, max=1000000, active=0
219 AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
220 # Change the configuration.
223 -- --id=@t0 create Flow_Table name=main \
224 -- --id=@t1 create Flow_Table flow-limit=1024 \
225 -- set bridge br0 'flow_tables={1=@t1,0=@t0}' \
226 | perl $srcdir/uuidfilt.pl],
230 # Check that the configuration was updated.
231 mv expout orig-expout
232 (echo "OFPST_TABLE reply (xid=0x1): 255 tables
233 0: main : wild=0x3fffff, max=1000000, active=0
235 1: table1 : wild=0x3fffff, max= 1024, active=0
237 tail -n +6 orig-expout) > expout
238 AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
242 AT_SETUP([ofproto - hard limits on flow table size])
244 # Configure a maximum of 4 flows.
247 -- --id=@t0 create Flow_Table flow-limit=4 \
248 -- set bridge br0 flow_tables:0=@t0 \
249 | perl $srcdir/uuidfilt.pl],
253 for in_port in 1 2 3 4; do
254 ovs-ofctl add-flow br0 in_port=$in_port,actions=drop
256 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
257 in_port=1 actions=drop
258 in_port=2 actions=drop
259 in_port=3 actions=drop
260 in_port=4 actions=drop
263 # Adding another flow will be refused.
264 AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop], [1], [], [stderr])
265 AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
266 [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
268 # Also a mod-flow that would add a flow will be refused.
269 AT_CHECK([ovs-ofctl mod-flows br0 in_port=5,actions=drop], [1], [], [stderr])
270 AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
271 [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
273 # Replacing or modifying an existing flow is allowed.
274 AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
275 AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
276 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
277 in_port=1 actions=drop
278 in_port=2 actions=drop
279 in_port=3 actions=output:1
280 in_port=4 actions=NORMAL
286 AT_SETUP([ofproto - eviction upon table overflow])
288 # Configure a maximum of 4 flows.
291 -- --id=@t0 create Flow_Table flow-limit=4 overflow-policy=evict \
292 -- set bridge br0 flow_tables:0=@t0 \
293 | perl $srcdir/uuidfilt.pl],
297 for in_port in 4 3 2 1; do
298 ovs-ofctl add-flow br0 idle_timeout=${in_port}0,in_port=$in_port,actions=drop
300 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
301 idle_timeout=10,in_port=1 actions=drop
302 idle_timeout=20,in_port=2 actions=drop
303 idle_timeout=30,in_port=3 actions=drop
304 idle_timeout=40,in_port=4 actions=drop
307 # Adding another flow will cause the one that expires soonest to be evicted.
308 AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop])
309 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
310 idle_timeout=20,in_port=2 actions=drop
311 idle_timeout=30,in_port=3 actions=drop
312 idle_timeout=40,in_port=4 actions=drop
313 in_port=5 actions=drop
316 # A mod-flow that adds a flow also causes eviction, but replacing or
317 # modifying an existing flow doesn't.
318 AT_CHECK([ovs-ofctl mod-flows br0 in_port=6,actions=drop])
319 AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
320 AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
321 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
322 idle_timeout=30,in_port=3 actions=output:1
323 in_port=4 actions=NORMAL
324 in_port=5 actions=drop
325 in_port=6 actions=drop
328 # Flows with no timeouts at all cannot be evicted.
329 AT_CHECK([ovs-ofctl add-flow br0 in_port=7,actions=normal])
330 AT_CHECK([ovs-ofctl add-flow br0 in_port=8,actions=drop], [1], [], [stderr])
331 AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
332 [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
334 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
335 in_port=4 actions=NORMAL
336 in_port=5 actions=drop
337 in_port=6 actions=drop
338 in_port=7 actions=NORMAL
344 AT_SETUP([ofproto - eviction upon table overflow, with fairness])
346 # Configure a maximum of 4 flows.
349 -- --id=@t0 create Flow_Table name=evict flow-limit=4 \
350 overflow-policy=evict \
351 groups='"NXM_OF_IN_PORT[[]]"' \
352 -- set bridge br0 flow_tables:0=@t0 \
353 | perl $srcdir/uuidfilt.pl],
357 ovs-ofctl add-flows br0 - <<EOF
358 idle_timeout=10 in_port=2 dl_src=00:44:55:66:77:88 actions=drop
359 idle_timeout=20 in_port=1 dl_src=00:11:22:33:44:55 actions=drop
360 idle_timeout=30 in_port=1 dl_src=00:22:33:44:55:66 actions=drop
361 idle_timeout=40 in_port=1 dl_src=00:33:44:55:66:77 actions=drop
363 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
364 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
365 idle_timeout=20,in_port=1,dl_src=00:11:22:33:44:55 actions=drop
366 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
367 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
370 # Adding another flow will cause the one that expires soonest within
371 # the largest group (those with in_port=1) to be evicted. In this
372 # case this is not the same as the one that expires soonest overall
373 # (which is what makes the test interesting):
374 AT_CHECK([ovs-ofctl add-flow br0 in_port=2,dl_src=00:55:66:77:88:99,actions=drop])
375 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
376 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
377 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
378 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
379 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
382 # Enlarge the flow limit, change the eviction policy back to strictly
383 # based on expiration, and and add some flows.
384 AT_CHECK([ovs-vsctl set Flow_Table evict groups='[[]]' flow-limit=7])
385 ovs-ofctl add-flows br0 - <<EOF
386 idle_timeout=50 in_port=2 dl_src=00:66:77:88:99:aa actions=drop
387 idle_timeout=60 in_port=2 dl_src=00:77:88:99:aa:bb actions=drop
388 idle_timeout=70 in_port=2 dl_src=00:88:99:aa:bb:cc actions=drop
390 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
391 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
392 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
393 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
394 idle_timeout=50,in_port=2,dl_src=00:66:77:88:99:aa actions=drop
395 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
396 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
397 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
400 # Adding another flow will cause the one that expires soonest overall
402 AT_CHECK([ovs-ofctl add-flow br0 'idle_timeout=80 in_port=2 dl_src=00:99:aa:bb:cc:dd actions=drop'])
403 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
404 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
405 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
406 idle_timeout=50,in_port=2,dl_src=00:66:77:88:99:aa actions=drop
407 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
408 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
409 idle_timeout=80,in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
410 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
413 # Reducing the flow limit also causes the flows that expire soonest
414 # overall to be evicted.
415 AT_CHECK([ovs-vsctl set Flow_Table evict flow-limit=4])
416 AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
417 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
418 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
419 idle_timeout=80,in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
420 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
426 AT_SETUP([ofproto - asynchronous message control])
428 AT_CHECK([ovs-ofctl -P openflow10 monitor br0 --detach --no-chdir --pidfile])
430 printf '\n\n--- check_async %d ---\n\n\n' $1
433 ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
436 # OFPT_PACKET_IN, OFPR_ACTION (controller_id=0)
437 ovs-ofctl -v packet-out br0 none controller '0001020304050010203040501234'
438 if test X"$1" = X"OFPR_ACTION"; then shift;
439 echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=NONE (via action) data_len=14 (unbuffered)
440 priority:0,tunnel:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
443 # OFPT_PACKET_IN, OFPR_NO_MATCH (controller_id=123)
444 ovs-ofctl -v packet-out br0 none 'controller(reason=no_match,id=123)' '0001020304050010203040501234'
445 if test X"$1" = X"OFPR_NO_MATCH"; then shift;
446 echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=NONE (via no_match) data_len=14 (unbuffered)
447 priority:0,tunnel:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
450 # OFPT_PACKET_IN, OFPR_INVALID_TTL (controller_id=0)
451 ovs-ofctl packet-out br0 none dec_ttl '002583dfb4000026b98cb0f908004500003fb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
452 if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
453 echo >>expout "OFPT_PACKET_IN: total_len=76 in_port=NONE (via invalid_ttl) data_len=76 (unbuffered)
454 priority:0,tunnel:0,in_port:0000,tci(0) mac(00:26:b9:8c:b0:f9->00:25:83:df:b4:00) type:0800 proto:17 tos:0 ttl:0 ip(172.17.55.13->172.16.0.2) port(55155->53) udp_csum:8f6d"
457 # OFPT_PORT_STATUS, OFPPR_ADD
458 ovs-vsctl add-port br0 test -- set Interface test type=dummy
459 if test X"$1" = X"OFPPR_ADD"; then shift;
460 echo >>expout "OFPT_PORT_STATUS: ADD: 1(test): addr:aa:55:aa:55:00:0x
465 # OFPT_PORT_STATUS, OFPPR_DELETE
466 ovs-vsctl del-port br0 test
467 if test X"$1" = X"OFPPR_DELETE"; then shift;
468 echo >>expout "OFPT_PORT_STATUS: DEL: 1(test): addr:aa:55:aa:55:00:0x
473 # OFPT_FLOW_REMOVED, OFPRR_DELETE
474 ovs-ofctl add-flow br0 send_flow_rem,actions=drop
475 ovs-ofctl --strict del-flows br0 ''
476 if test X"$1" = X"OFPRR_DELETE"; then shift;
477 echo >>expout "OFPT_FLOW_REMOVED: reason=delete"
479 AT_FAIL_IF([test X"$1" != X])
481 ovs-appctl -t ovs-ofctl ofctl/barrier
482 echo >>expout "send: OFPT_BARRIER_REQUEST:
487 s/ (xid=0x[0-9a-fA-F]*)//
489 s/00:0.$/00:0x/' < monitor.log]],
493 # It's a service connection so initially there should be no async messages.
496 # Set miss_send_len to 128, turning on packet-outs for our service connection.
497 ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700000080
498 check_async 2 OFPR_ACTION OFPPR_ADD OFPPR_DELETE OFPRR_DELETE
500 # Set miss_send_len to 128 and enable invalid_ttl.
501 ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700040080
502 check_async 3 OFPR_ACTION OFPR_INVALID_TTL OFPPR_ADD OFPPR_DELETE OFPRR_DELETE
504 # Become slave, which should disable everything except port status.
505 ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000002
506 check_async 4 OFPPR_ADD OFPPR_DELETE
508 # Use NXT_SET_ASYNC_CONFIG to enable a patchwork of asynchronous messages.
509 ovs-appctl -t ovs-ofctl ofctl/send 01040028000000020000232000000013000000020000000500000005000000020000000200000005
510 check_async 5 OFPR_INVALID_TTL OFPPR_DELETE OFPRR_DELETE
512 # Set controller ID 123.
513 ovs-appctl -t ovs-ofctl ofctl/send 01040018000000030000232000000014000000000000007b
514 check_async 6 OFPR_NO_MATCH OFPPR_DELETE OFPRR_DELETE
516 # Restore controller ID 0.
517 ovs-appctl -t ovs-ofctl ofctl/send 010400180000000300002320000000140000000000000000
520 ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000001
521 check_async 7 OFPR_ACTION OFPPR_ADD
523 ovs-appctl -t ovs-ofctl exit