2 * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
21 #include <sys/socket.h>
27 #include <sys/fcntl.h>
31 #include "byte-order.h"
32 #include "classifier.h"
33 #include "command-line.h"
37 #include "dynamic-string.h"
40 #include "ofp-actions.h"
41 #include "ofp-errors.h"
42 #include "ofp-parse.h"
43 #include "ofp-print.h"
46 #include "ofproto/ofproto.h"
47 #include "openflow/nicira-ext.h"
48 #include "openflow/openflow.h"
50 #include "poll-loop.h"
52 #include "stream-ssl.h"
59 VLOG_DEFINE_THIS_MODULE(ofctl
);
61 /* --strict: Use strict matching for flow mod commands? Additionally governs
62 * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
66 /* --readd: If true, on replace-flows, re-add even flows that have not changed
67 * (to reset flow counters). */
70 /* -F, --flow-format: Allowed protocols. By default, any protocol is
72 static enum ofputil_protocol allowed_protocols
= OFPUTIL_P_ANY
;
74 /* -P, --packet-in-format: Packet IN format to use in monitor and snoop
75 * commands. Either one of NXPIF_* to force a particular packet_in format, or
76 * -1 to let ovs-ofctl choose the default. */
77 static int preferred_packet_in_format
= -1;
79 /* -m, --more: Additional verbosity for ofp-print functions. */
82 /* --timestamp: Print a timestamp before each received packet on "monitor" and
84 static bool timestamp
;
86 static const struct command all_commands
[];
88 static void usage(void) NO_RETURN
;
89 static void parse_options(int argc
, char *argv
[]);
92 main(int argc
, char *argv
[])
94 set_program_name(argv
[0]);
95 parse_options(argc
, argv
);
96 signal(SIGPIPE
, SIG_IGN
);
97 run_command(argc
- optind
, argv
+ optind
, all_commands
);
102 parse_options(int argc
, char *argv
[])
105 OPT_STRICT
= UCHAR_MAX
+ 1,
111 static struct option long_options
[] = {
112 {"timeout", required_argument
, NULL
, 't'},
113 {"strict", no_argument
, NULL
, OPT_STRICT
},
114 {"readd", no_argument
, NULL
, OPT_READD
},
115 {"flow-format", required_argument
, NULL
, 'F'},
116 {"packet-in-format", required_argument
, NULL
, 'P'},
117 {"more", no_argument
, NULL
, 'm'},
118 {"timestamp", no_argument
, NULL
, OPT_TIMESTAMP
},
119 {"help", no_argument
, NULL
, 'h'},
120 {"version", no_argument
, NULL
, 'V'},
123 STREAM_SSL_LONG_OPTIONS
,
126 char *short_options
= long_options_to_short_options(long_options
);
129 unsigned long int timeout
;
132 c
= getopt_long(argc
, argv
, short_options
, long_options
, NULL
);
139 timeout
= strtoul(optarg
, NULL
, 10);
141 ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
149 allowed_protocols
= ofputil_protocols_from_string(optarg
);
150 if (!allowed_protocols
) {
151 ovs_fatal(0, "%s: invalid flow format(s)", optarg
);
156 preferred_packet_in_format
=
157 ofputil_packet_in_format_from_string(optarg
);
158 if (preferred_packet_in_format
< 0) {
159 ovs_fatal(0, "unknown packet-in format `%s'", optarg
);
171 ovs_print_version(OFP10_VERSION
, OFP10_VERSION
);
186 DAEMON_OPTION_HANDLERS
188 STREAM_SSL_OPTION_HANDLERS
203 printf("%s: OpenFlow switch management utility\n"
204 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
205 "\nFor OpenFlow switches:\n"
206 " show SWITCH show OpenFlow information\n"
207 " dump-desc SWITCH print switch description\n"
208 " dump-tables SWITCH print table stats\n"
209 " mod-port SWITCH IFACE ACT modify port behavior\n"
210 " get-frags SWITCH print fragment handling behavior\n"
211 " set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
212 " dump-ports SWITCH [PORT] print port statistics\n"
213 " dump-ports-desc SWITCH print port descriptions\n"
214 " dump-flows SWITCH print all flow entries\n"
215 " dump-flows SWITCH FLOW print matching FLOWs\n"
216 " dump-aggregate SWITCH print aggregate flow statistics\n"
217 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
218 " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n"
219 " add-flow SWITCH FLOW add flow described by FLOW\n"
220 " add-flows SWITCH FILE add flows from FILE\n"
221 " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
222 " del-flows SWITCH [FLOW] delete matching FLOWs\n"
223 " replace-flows SWITCH FILE replace flows with those in FILE\n"
224 " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n"
225 " packet-out SWITCH IN_PORT ACTIONS PACKET...\n"
226 " execute ACTIONS on PACKET\n"
227 " monitor SWITCH [MISSLEN] [invalid_ttl]\n"
228 " print packets received from SWITCH\n"
229 " snoop SWITCH snoop on SWITCH and its controller\n"
230 "\nFor OpenFlow switches and controllers:\n"
231 " probe TARGET probe whether TARGET is up\n"
232 " ping TARGET [N] latency of N-byte echos\n"
233 " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n"
234 "where SWITCH or TARGET is an active OpenFlow connection method.\n",
235 program_name
, program_name
);
236 vconn_usage(true, false, false);
239 printf("\nOther options:\n"
240 " --strict use strict match for flow commands\n"
241 " --readd replace flows that haven't changed\n"
242 " -F, --flow-format=FORMAT force particular flow format\n"
243 " -P, --packet-in-format=FRMT force particular packet in format\n"
244 " -m, --more be more verbose printing OpenFlow\n"
245 " --timestamp (monitor, snoop) print timestamps\n"
246 " -t, --timeout=SECS give up after SECS seconds\n"
247 " -h, --help display this help message\n"
248 " -V, --version display version information\n");
253 ofctl_exit(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
254 const char *argv
[] OVS_UNUSED
, void *exiting_
)
256 bool *exiting
= exiting_
;
258 unixctl_command_reply(conn
, NULL
);
261 static void run(int retval
, const char *message
, ...)
264 static void run(int retval
, const char *message
, ...)
269 va_start(args
, message
);
270 ovs_fatal_valist(retval
, message
, args
);
274 /* Generic commands. */
277 open_vconn_socket(const char *name
, struct vconn
**vconnp
)
279 char *vconn_name
= xasprintf("unix:%s", name
);
280 VLOG_DBG("connecting to %s", vconn_name
);
281 run(vconn_open_block(vconn_name
, OFP10_VERSION
, vconnp
),
282 "connecting to %s", vconn_name
);
286 static enum ofputil_protocol
287 open_vconn__(const char *name
, const char *default_suffix
,
288 struct vconn
**vconnp
)
290 char *datapath_name
, *datapath_type
, *socket_name
;
291 enum ofputil_protocol protocol
;
296 bridge_path
= xasprintf("%s/%s.%s", ovs_rundir(), name
, default_suffix
);
298 ofproto_parse_name(name
, &datapath_name
, &datapath_type
);
299 socket_name
= xasprintf("%s/%s.%s",
300 ovs_rundir(), datapath_name
, default_suffix
);
304 if (strchr(name
, ':')) {
305 run(vconn_open_block(name
, OFP10_VERSION
, vconnp
),
306 "connecting to %s", name
);
307 } else if (!stat(name
, &s
) && S_ISSOCK(s
.st_mode
)) {
308 open_vconn_socket(name
, vconnp
);
309 } else if (!stat(bridge_path
, &s
) && S_ISSOCK(s
.st_mode
)) {
310 open_vconn_socket(bridge_path
, vconnp
);
311 } else if (!stat(socket_name
, &s
)) {
312 if (!S_ISSOCK(s
.st_mode
)) {
313 ovs_fatal(0, "cannot connect to %s: %s is not a socket",
316 open_vconn_socket(socket_name
, vconnp
);
318 ovs_fatal(0, "%s is not a bridge or a socket", name
);
324 ofp_version
= vconn_get_version(*vconnp
);
325 protocol
= ofputil_protocol_from_ofp_version(ofp_version
);
327 ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x",
333 static enum ofputil_protocol
334 open_vconn(const char *name
, struct vconn
**vconnp
)
336 return open_vconn__(name
, "mgmt", vconnp
);
340 alloc_stats_request(size_t rq_len
, uint16_t type
, struct ofpbuf
**bufferp
)
342 struct ofp_stats_msg
*rq
;
344 rq
= make_openflow(rq_len
, OFPT10_STATS_REQUEST
, bufferp
);
345 rq
->type
= htons(type
);
346 rq
->flags
= htons(0);
351 send_openflow_buffer(struct vconn
*vconn
, struct ofpbuf
*buffer
)
353 update_openflow_length(buffer
);
354 run(vconn_send_block(vconn
, buffer
), "failed to send packet to switch");
358 dump_transaction(const char *vconn_name
, struct ofpbuf
*request
)
361 struct ofpbuf
*reply
;
363 update_openflow_length(request
);
364 open_vconn(vconn_name
, &vconn
);
365 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", vconn_name
);
366 ofp_print(stdout
, reply
->data
, reply
->size
, verbosity
+ 1);
367 ofpbuf_delete(reply
);
372 dump_trivial_transaction(const char *vconn_name
, uint8_t request_type
)
374 struct ofpbuf
*request
;
375 make_openflow(sizeof(struct ofp_header
), request_type
, &request
);
376 dump_transaction(vconn_name
, request
);
380 dump_stats_transaction(const char *vconn_name
, struct ofpbuf
*request
)
382 ovs_be32 send_xid
= ((struct ofp_header
*) request
->data
)->xid
;
383 ovs_be16 stats_type
= ((struct ofp_stats_msg
*) request
->data
)->type
;
387 open_vconn(vconn_name
, &vconn
);
388 send_openflow_buffer(vconn
, request
);
391 struct ofpbuf
*reply
;
393 run(vconn_recv_block(vconn
, &reply
), "OpenFlow packet receive failed");
394 recv_xid
= ((struct ofp_header
*) reply
->data
)->xid
;
395 if (send_xid
== recv_xid
) {
396 const struct ofp_stats_msg
*osm
= reply
->data
;
397 const struct ofp_header
*oh
= reply
->data
;
399 ofp_print(stdout
, reply
->data
, reply
->size
, verbosity
+ 1);
401 if (oh
->type
== OFPT_ERROR
) {
403 } else if (oh
->type
== OFPT10_STATS_REPLY
404 && osm
->type
== stats_type
) {
405 done
= !(ntohs(osm
->flags
) & OFPSF_REPLY_MORE
);
407 ovs_fatal(0, "received bad reply: %s",
408 ofp_to_string(reply
->data
, reply
->size
,
412 VLOG_DBG("received reply with xid %08"PRIx32
" "
413 "!= expected %08"PRIx32
, recv_xid
, send_xid
);
415 ofpbuf_delete(reply
);
421 dump_trivial_stats_transaction(const char *vconn_name
, uint8_t stats_type
)
423 struct ofpbuf
*request
;
424 alloc_stats_request(sizeof(struct ofp_stats_msg
), stats_type
, &request
);
425 dump_stats_transaction(vconn_name
, request
);
428 /* Sends 'request', which should be a request that only has a reply if an error
429 * occurs, and waits for it to succeed or fail. If an error does occur, prints
430 * it and exits with an error.
432 * Destroys all of the 'requests'. */
434 transact_multiple_noreply(struct vconn
*vconn
, struct list
*requests
)
436 struct ofpbuf
*request
, *reply
;
438 LIST_FOR_EACH (request
, list_node
, requests
) {
439 update_openflow_length(request
);
442 run(vconn_transact_multiple_noreply(vconn
, requests
, &reply
),
443 "talking to %s", vconn_get_name(vconn
));
445 ofp_print(stderr
, reply
->data
, reply
->size
, verbosity
+ 2);
448 ofpbuf_delete(reply
);
451 /* Sends 'request', which should be a request that only has a reply if an error
452 * occurs, and waits for it to succeed or fail. If an error does occur, prints
453 * it and exits with an error.
455 * Destroys 'request'. */
457 transact_noreply(struct vconn
*vconn
, struct ofpbuf
*request
)
459 struct list requests
;
461 list_init(&requests
);
462 list_push_back(&requests
, &request
->list_node
);
463 transact_multiple_noreply(vconn
, &requests
);
467 fetch_switch_config(struct vconn
*vconn
, struct ofp_switch_config
*config_
)
469 struct ofp_switch_config
*config
;
470 struct ofp_header
*header
;
471 struct ofpbuf
*request
;
472 struct ofpbuf
*reply
;
474 make_openflow(sizeof(struct ofp_header
), OFPT_GET_CONFIG_REQUEST
,
476 run(vconn_transact(vconn
, request
, &reply
),
477 "talking to %s", vconn_get_name(vconn
));
479 header
= reply
->data
;
480 if (header
->type
!= OFPT_GET_CONFIG_REPLY
||
481 header
->length
!= htons(sizeof *config
)) {
482 ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn
));
485 config
= reply
->data
;
488 ofpbuf_delete(reply
);
492 set_switch_config(struct vconn
*vconn
, struct ofp_switch_config
*config_
)
494 struct ofp_switch_config
*config
;
495 struct ofp_header save_header
;
496 struct ofpbuf
*request
;
498 config
= make_openflow(sizeof *config
, OFPT_SET_CONFIG
, &request
);
499 save_header
= config
->header
;
501 config
->header
= save_header
;
503 transact_noreply(vconn
, request
);
507 ofctl_show(int argc OVS_UNUSED
, char *argv
[])
509 const char *vconn_name
= argv
[1];
511 struct ofpbuf
*request
;
512 struct ofpbuf
*reply
;
515 make_openflow(sizeof(struct ofp_header
), OFPT_FEATURES_REQUEST
,
517 open_vconn(vconn_name
, &vconn
);
518 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", vconn_name
);
520 trunc
= ofputil_switch_features_ports_trunc(reply
);
521 ofp_print(stdout
, reply
->data
, reply
->size
, verbosity
+ 1);
523 ofpbuf_delete(reply
);
527 /* The Features Reply may not contain all the ports, so send a
528 * Port Description stats request, which doesn't have size
530 dump_trivial_stats_transaction(vconn_name
, OFPST_PORT_DESC
);
532 dump_trivial_transaction(vconn_name
, OFPT_GET_CONFIG_REQUEST
);
536 ofctl_dump_desc(int argc OVS_UNUSED
, char *argv
[])
538 dump_trivial_stats_transaction(argv
[1], OFPST_DESC
);
542 ofctl_dump_tables(int argc OVS_UNUSED
, char *argv
[])
544 dump_trivial_stats_transaction(argv
[1], OFPST_TABLE
);
548 fetch_port_by_features(const char *vconn_name
,
549 const char *port_name
, unsigned int port_no
,
550 struct ofputil_phy_port
*pp
, bool *trunc
)
552 struct ofputil_switch_features features
;
553 const struct ofp_switch_features
*osf
;
554 struct ofpbuf
*request
, *reply
;
560 /* Fetch the switch's ofp_switch_features. */
561 make_openflow(sizeof(struct ofp_header
), OFPT_FEATURES_REQUEST
, &request
);
562 open_vconn(vconn_name
, &vconn
);
563 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", vconn_name
);
567 if (reply
->size
< sizeof *osf
) {
568 ovs_fatal(0, "%s: received too-short features reply (only %zu bytes)",
569 vconn_name
, reply
->size
);
573 if (ofputil_switch_features_ports_trunc(reply
)) {
578 error
= ofputil_decode_switch_features(osf
, &features
, &b
);
580 ovs_fatal(0, "%s: failed to decode features reply (%s)",
581 vconn_name
, ofperr_to_string(error
));
584 while (!ofputil_pull_phy_port(osf
->header
.version
, &b
, pp
)) {
585 if (port_no
!= UINT_MAX
586 ? port_no
== pp
->port_no
587 : !strcmp(pp
->name
, port_name
)) {
594 ofpbuf_delete(reply
);
599 fetch_port_by_stats(const char *vconn_name
,
600 const char *port_name
, unsigned int port_no
,
601 struct ofputil_phy_port
*pp
)
603 struct ofpbuf
*request
;
610 alloc_stats_request(sizeof(struct ofp_stats_msg
), OFPST_PORT_DESC
,
612 send_xid
= ((struct ofp_header
*) request
->data
)->xid
;
614 open_vconn(vconn_name
, &vconn
);
615 send_openflow_buffer(vconn
, request
);
618 struct ofpbuf
*reply
;
620 run(vconn_recv_block(vconn
, &reply
), "OpenFlow packet receive failed");
621 recv_xid
= ((struct ofp_header
*) reply
->data
)->xid
;
622 if (send_xid
== recv_xid
) {
623 const struct ofputil_msg_type
*type
;
624 struct ofp_stats_msg
*osm
;
626 ofputil_decode_msg_type(reply
->data
, &type
);
627 if (ofputil_msg_type_code(type
) != OFPUTIL_OFPST_PORT_DESC_REPLY
) {
628 ovs_fatal(0, "received bad reply: %s",
629 ofp_to_string(reply
->data
, reply
->size
,
633 osm
= ofpbuf_at_assert(reply
, 0, sizeof *osm
);
634 done
= !(ntohs(osm
->flags
) & OFPSF_REPLY_MORE
);
637 /* We've already found the port, but we need to drain
638 * the queue of any other replies for this request. */
642 ofpbuf_use_const(&b
, &osm
->header
, ntohs(osm
->header
.length
));
643 ofpbuf_pull(&b
, sizeof(struct ofp_stats_msg
));
645 while (!ofputil_pull_phy_port(osm
->header
.version
, &b
, pp
)) {
646 if (port_no
!= UINT_MAX
? port_no
== pp
->port_no
647 : !strcmp(pp
->name
, port_name
)) {
653 VLOG_DBG("received reply with xid %08"PRIx32
" "
654 "!= expected %08"PRIx32
, recv_xid
, send_xid
);
656 ofpbuf_delete(reply
);
664 /* Opens a connection to 'vconn_name', fetches the port structure for
665 * 'port_name' (which may be a port name or number), and copies it into
668 fetch_ofputil_phy_port(const char *vconn_name
, const char *port_name
,
669 struct ofputil_phy_port
*pp
)
671 unsigned int port_no
;
675 /* Try to interpret the argument as a port number. */
676 if (!str_to_uint(port_name
, 10, &port_no
)) {
680 /* Try to find the port based on the Features Reply. If it looks
681 * like the results may be truncated, then use the Port Description
682 * stats message introduced in OVS 1.7. */
683 found
= fetch_port_by_features(vconn_name
, port_name
, port_no
, pp
,
686 found
= fetch_port_by_stats(vconn_name
, port_name
, port_no
, pp
);
690 ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name
, port_name
);
694 /* Returns the port number corresponding to 'port_name' (which may be a port
695 * name or number) within the switch 'vconn_name'. */
697 str_to_port_no(const char *vconn_name
, const char *port_name
)
699 unsigned int port_no
;
701 if (str_to_uint(port_name
, 10, &port_no
)) {
704 struct ofputil_phy_port pp
;
706 fetch_ofputil_phy_port(vconn_name
, port_name
, &pp
);
712 try_set_protocol(struct vconn
*vconn
, enum ofputil_protocol want
,
713 enum ofputil_protocol
*cur
)
716 struct ofpbuf
*request
, *reply
;
717 enum ofputil_protocol next
;
719 request
= ofputil_encode_set_protocol(*cur
, want
, &next
);
724 run(vconn_transact_noreply(vconn
, request
, &reply
),
725 "talking to %s", vconn_get_name(vconn
));
727 char *s
= ofp_to_string(reply
->data
, reply
->size
, 2);
728 VLOG_DBG("%s: failed to set protocol, switch replied: %s",
729 vconn_get_name(vconn
), s
);
731 ofpbuf_delete(reply
);
739 static enum ofputil_protocol
740 set_protocol_for_flow_dump(struct vconn
*vconn
,
741 enum ofputil_protocol cur_protocol
,
742 enum ofputil_protocol usable_protocols
)
747 for (i
= 0; i
< ofputil_n_flow_dump_protocols
; i
++) {
748 enum ofputil_protocol f
= ofputil_flow_dump_protocols
[i
];
749 if (f
& usable_protocols
& allowed_protocols
750 && try_set_protocol(vconn
, f
, &cur_protocol
)) {
755 usable_s
= ofputil_protocols_to_string(usable_protocols
);
756 if (usable_protocols
& allowed_protocols
) {
757 ovs_fatal(0, "switch does not support any of the usable flow "
758 "formats (%s)", usable_s
);
760 char *allowed_s
= ofputil_protocols_to_string(allowed_protocols
);
761 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
762 "allowed flow formats (%s)", usable_s
, allowed_s
);
767 ofctl_dump_flows__(int argc
, char *argv
[], bool aggregate
)
769 enum ofputil_protocol usable_protocols
, protocol
;
770 struct ofputil_flow_stats_request fsr
;
771 struct ofpbuf
*request
;
774 parse_ofp_flow_stats_request_str(&fsr
, aggregate
, argc
> 2 ? argv
[2] : "");
775 usable_protocols
= ofputil_flow_stats_request_usable_protocols(&fsr
);
777 protocol
= open_vconn(argv
[1], &vconn
);
778 protocol
= set_protocol_for_flow_dump(vconn
, protocol
, usable_protocols
);
779 request
= ofputil_encode_flow_stats_request(&fsr
, protocol
);
780 dump_stats_transaction(argv
[1], request
);
785 ofctl_dump_flows(int argc
, char *argv
[])
787 return ofctl_dump_flows__(argc
, argv
, false);
791 ofctl_dump_aggregate(int argc
, char *argv
[])
793 return ofctl_dump_flows__(argc
, argv
, true);
797 ofctl_queue_stats(int argc
, char *argv
[])
799 struct ofp_queue_stats_request
*req
;
800 struct ofpbuf
*request
;
802 req
= alloc_stats_request(sizeof *req
, OFPST_QUEUE
, &request
);
804 if (argc
> 2 && argv
[2][0] && strcasecmp(argv
[2], "all")) {
805 req
->port_no
= htons(str_to_port_no(argv
[1], argv
[2]));
807 req
->port_no
= htons(OFPP_ALL
);
809 if (argc
> 3 && argv
[3][0] && strcasecmp(argv
[3], "all")) {
810 req
->queue_id
= htonl(atoi(argv
[3]));
812 req
->queue_id
= htonl(OFPQ_ALL
);
815 memset(req
->pad
, 0, sizeof req
->pad
);
817 dump_stats_transaction(argv
[1], request
);
820 static enum ofputil_protocol
821 open_vconn_for_flow_mod(const char *remote
,
822 const struct ofputil_flow_mod
*fms
, size_t n_fms
,
823 struct vconn
**vconnp
)
825 enum ofputil_protocol usable_protocols
;
826 enum ofputil_protocol cur_protocol
;
830 /* Figure out what flow formats will work. */
831 usable_protocols
= ofputil_flow_mod_usable_protocols(fms
, n_fms
);
832 if (!(usable_protocols
& allowed_protocols
)) {
833 char *allowed_s
= ofputil_protocols_to_string(allowed_protocols
);
834 usable_s
= ofputil_protocols_to_string(usable_protocols
);
835 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
836 "allowed flow formats (%s)", usable_s
, allowed_s
);
839 /* If the initial flow format is allowed and usable, keep it. */
840 cur_protocol
= open_vconn(remote
, vconnp
);
841 if (usable_protocols
& allowed_protocols
& cur_protocol
) {
845 /* Otherwise try each flow format in turn. */
846 for (i
= 0; i
< sizeof(enum ofputil_protocol
) * CHAR_BIT
; i
++) {
847 enum ofputil_protocol f
= 1 << i
;
849 if (f
!= cur_protocol
850 && f
& usable_protocols
& allowed_protocols
851 && try_set_protocol(*vconnp
, f
, &cur_protocol
)) {
856 usable_s
= ofputil_protocols_to_string(usable_protocols
);
857 ovs_fatal(0, "switch does not support any of the usable flow "
858 "formats (%s)", usable_s
);
862 ofctl_flow_mod__(const char *remote
, struct ofputil_flow_mod
*fms
,
865 enum ofputil_protocol protocol
;
869 protocol
= open_vconn_for_flow_mod(remote
, fms
, n_fms
, &vconn
);
871 for (i
= 0; i
< n_fms
; i
++) {
872 struct ofputil_flow_mod
*fm
= &fms
[i
];
874 transact_noreply(vconn
, ofputil_encode_flow_mod(fm
, protocol
));
881 ofctl_flow_mod_file(int argc OVS_UNUSED
, char *argv
[], uint16_t command
)
883 struct ofputil_flow_mod
*fms
= NULL
;
886 parse_ofp_flow_mod_file(argv
[2], command
, &fms
, &n_fms
);
887 ofctl_flow_mod__(argv
[1], fms
, n_fms
);
892 ofctl_flow_mod(int argc
, char *argv
[], uint16_t command
)
894 if (argc
> 2 && !strcmp(argv
[2], "-")) {
895 ofctl_flow_mod_file(argc
, argv
, command
);
897 struct ofputil_flow_mod fm
;
898 parse_ofp_flow_mod_str(&fm
, argc
> 2 ? argv
[2] : "", command
, false);
899 ofctl_flow_mod__(argv
[1], &fm
, 1);
904 ofctl_add_flow(int argc
, char *argv
[])
906 ofctl_flow_mod(argc
, argv
, OFPFC_ADD
);
910 ofctl_add_flows(int argc
, char *argv
[])
912 ofctl_flow_mod_file(argc
, argv
, OFPFC_ADD
);
916 ofctl_mod_flows(int argc
, char *argv
[])
918 ofctl_flow_mod(argc
, argv
, strict
? OFPFC_MODIFY_STRICT
: OFPFC_MODIFY
);
922 ofctl_del_flows(int argc
, char *argv
[])
924 ofctl_flow_mod(argc
, argv
, strict
? OFPFC_DELETE_STRICT
: OFPFC_DELETE
);
928 set_packet_in_format(struct vconn
*vconn
,
929 enum nx_packet_in_format packet_in_format
)
931 struct ofpbuf
*spif
= ofputil_make_set_packet_in_format(packet_in_format
);
932 transact_noreply(vconn
, spif
);
933 VLOG_DBG("%s: using user-specified packet in format %s",
934 vconn_get_name(vconn
),
935 ofputil_packet_in_format_to_string(packet_in_format
));
939 monitor_set_invalid_ttl_to_controller(struct vconn
*vconn
)
941 struct ofp_switch_config config
;
942 enum ofp_config_flags flags
;
944 fetch_switch_config(vconn
, &config
);
945 flags
= ntohs(config
.flags
);
946 if (!(flags
& OFPC_INVALID_TTL_TO_CONTROLLER
)) {
947 /* Set the invalid ttl config. */
948 flags
|= OFPC_INVALID_TTL_TO_CONTROLLER
;
950 config
.flags
= htons(flags
);
951 set_switch_config(vconn
, &config
);
953 /* Then retrieve the configuration to see if it really took. OpenFlow
954 * doesn't define error reporting for bad modes, so this is all we can
956 fetch_switch_config(vconn
, &config
);
957 flags
= ntohs(config
.flags
);
958 if (!(flags
& OFPC_INVALID_TTL_TO_CONTROLLER
)) {
959 ovs_fatal(0, "setting invalid_ttl_to_controller failed (this "
960 "switch probably doesn't support mode)");
967 /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The
968 * caller must free '*msgp'. On success, returns NULL. On failure, returns
969 * an error message and stores NULL in '*msgp'. */
971 openflow_from_hex(const char *hex
, struct ofpbuf
**msgp
)
973 struct ofp_header
*oh
;
976 msg
= ofpbuf_new(strlen(hex
) / 2);
979 if (ofpbuf_put_hex(msg
, hex
, NULL
)[0] != '\0') {
981 return "Trailing garbage in hex data";
984 if (msg
->size
< sizeof(struct ofp_header
)) {
986 return "Message too short for OpenFlow";
990 if (msg
->size
!= ntohs(oh
->length
)) {
992 return "Message size does not match length in OpenFlow header";
1000 ofctl_send(struct unixctl_conn
*conn
, int argc
,
1001 const char *argv
[], void *vconn_
)
1003 struct vconn
*vconn
= vconn_
;
1010 for (i
= 1; i
< argc
; i
++) {
1011 const char *error_msg
;
1015 error_msg
= openflow_from_hex(argv
[i
], &msg
);
1017 ds_put_format(&reply
, "%s\n", error_msg
);
1022 fprintf(stderr
, "send: ");
1023 ofp_print(stderr
, msg
->data
, msg
->size
, verbosity
);
1025 error
= vconn_send_block(vconn
, msg
);
1028 ds_put_format(&reply
, "%s\n", strerror(error
));
1031 ds_put_cstr(&reply
, "sent\n");
1036 unixctl_command_reply(conn
, ds_cstr(&reply
));
1038 unixctl_command_reply_error(conn
, ds_cstr(&reply
));
1043 struct barrier_aux
{
1044 struct vconn
*vconn
; /* OpenFlow connection for sending barrier. */
1045 struct unixctl_conn
*conn
; /* Connection waiting for barrier response. */
1049 ofctl_barrier(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
1050 const char *argv
[] OVS_UNUSED
, void *aux_
)
1052 struct barrier_aux
*aux
= aux_
;
1057 unixctl_command_reply_error(conn
, "already waiting for barrier reply");
1061 msg
= ofputil_encode_barrier_request();
1062 error
= vconn_send_block(aux
->vconn
, msg
);
1065 unixctl_command_reply_error(conn
, strerror(error
));
1072 ofctl_set_output_file(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
1073 const char *argv
[], void *aux OVS_UNUSED
)
1077 fd
= open(argv
[1], O_CREAT
| O_TRUNC
| O_WRONLY
, 0666);
1079 unixctl_command_reply_error(conn
, strerror(errno
));
1084 dup2(fd
, STDERR_FILENO
);
1086 unixctl_command_reply(conn
, NULL
);
1090 monitor_vconn(struct vconn
*vconn
)
1092 struct barrier_aux barrier_aux
= { vconn
, NULL
};
1093 struct unixctl_server
*server
;
1094 bool exiting
= false;
1097 daemon_save_fd(STDERR_FILENO
);
1099 error
= unixctl_server_create(NULL
, &server
);
1101 ovs_fatal(error
, "failed to create unixctl server");
1103 unixctl_command_register("exit", "", 0, 0, ofctl_exit
, &exiting
);
1104 unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX
,
1106 unixctl_command_register("ofctl/barrier", "", 0, 0,
1107 ofctl_barrier
, &barrier_aux
);
1108 unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1,
1109 ofctl_set_output_file
, NULL
);
1110 daemonize_complete();
1116 unixctl_server_run(server
);
1121 retval
= vconn_recv(vconn
, &b
);
1122 if (retval
== EAGAIN
) {
1125 run(retval
, "vconn_recv");
1128 time_t now
= time_wall();
1131 strftime(s
, sizeof s
, "%Y-%m-%d %H:%M:%S: ", gmtime(&now
));
1135 msg_type
= ((const struct ofp_header
*) b
->data
)->type
;
1136 ofp_print(stderr
, b
->data
, b
->size
, verbosity
+ 2);
1139 if (barrier_aux
.conn
&& msg_type
== OFPT10_BARRIER_REPLY
) {
1140 unixctl_command_reply(barrier_aux
.conn
, NULL
);
1141 barrier_aux
.conn
= NULL
;
1150 vconn_run_wait(vconn
);
1151 vconn_recv_wait(vconn
);
1152 unixctl_server_wait(server
);
1156 unixctl_server_destroy(server
);
1160 ofctl_monitor(int argc
, char *argv
[])
1162 struct vconn
*vconn
;
1164 open_vconn(argv
[1], &vconn
);
1166 struct ofp_switch_config config
;
1168 fetch_switch_config(vconn
, &config
);
1169 config
.miss_send_len
= htons(atoi(argv
[2]));
1170 set_switch_config(vconn
, &config
);
1173 if (!strcmp(argv
[3], "invalid_ttl")) {
1174 monitor_set_invalid_ttl_to_controller(vconn
);
1177 if (preferred_packet_in_format
>= 0) {
1178 set_packet_in_format(vconn
, preferred_packet_in_format
);
1180 struct ofpbuf
*spif
, *reply
;
1182 spif
= ofputil_make_set_packet_in_format(NXPIF_NXM
);
1183 run(vconn_transact_noreply(vconn
, spif
, &reply
),
1184 "talking to %s", vconn_get_name(vconn
));
1186 char *s
= ofp_to_string(reply
->data
, reply
->size
, 2);
1187 VLOG_DBG("%s: failed to set packet in format to nxm, controller"
1188 " replied: %s. Falling back to the switch default.",
1189 vconn_get_name(vconn
), s
);
1191 ofpbuf_delete(reply
);
1195 monitor_vconn(vconn
);
1199 ofctl_snoop(int argc OVS_UNUSED
, char *argv
[])
1201 struct vconn
*vconn
;
1203 open_vconn__(argv
[1], "snoop", &vconn
);
1204 monitor_vconn(vconn
);
1208 ofctl_dump_ports(int argc
, char *argv
[])
1210 struct ofp_port_stats_request
*req
;
1211 struct ofpbuf
*request
;
1214 req
= alloc_stats_request(sizeof *req
, OFPST_PORT
, &request
);
1215 port
= argc
> 2 ? str_to_port_no(argv
[1], argv
[2]) : OFPP_NONE
;
1216 req
->port_no
= htons(port
);
1217 dump_stats_transaction(argv
[1], request
);
1221 ofctl_dump_ports_desc(int argc OVS_UNUSED
, char *argv
[])
1223 dump_trivial_stats_transaction(argv
[1], OFPST_PORT_DESC
);
1227 ofctl_probe(int argc OVS_UNUSED
, char *argv
[])
1229 struct ofpbuf
*request
;
1230 struct vconn
*vconn
;
1231 struct ofpbuf
*reply
;
1233 make_openflow(sizeof(struct ofp_header
), OFPT_ECHO_REQUEST
, &request
);
1234 open_vconn(argv
[1], &vconn
);
1235 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", argv
[1]);
1236 if (reply
->size
!= sizeof(struct ofp_header
)) {
1237 ovs_fatal(0, "reply does not match request");
1239 ofpbuf_delete(reply
);
1244 ofctl_packet_out(int argc
, char *argv
[])
1246 struct ofputil_packet_out po
;
1247 struct ofpbuf ofpacts
;
1248 struct vconn
*vconn
;
1251 ofpbuf_init(&ofpacts
, 64);
1252 parse_ofpacts(argv
[3], &ofpacts
);
1254 po
.buffer_id
= UINT32_MAX
;
1255 po
.in_port
= (!strcasecmp(argv
[2], "none") ? OFPP_NONE
1256 : !strcasecmp(argv
[2], "local") ? OFPP_LOCAL
1257 : str_to_port_no(argv
[1], argv
[2]));
1258 po
.ofpacts
= ofpacts
.data
;
1259 po
.ofpacts_len
= ofpacts
.size
;
1261 open_vconn(argv
[1], &vconn
);
1262 for (i
= 4; i
< argc
; i
++) {
1263 struct ofpbuf
*packet
, *opo
;
1264 const char *error_msg
;
1266 error_msg
= eth_from_hex(argv
[i
], &packet
);
1268 ovs_fatal(0, "%s", error_msg
);
1271 po
.packet
= packet
->data
;
1272 po
.packet_len
= packet
->size
;
1273 opo
= ofputil_encode_packet_out(&po
);
1274 transact_noreply(vconn
, opo
);
1275 ofpbuf_delete(packet
);
1278 ofpbuf_uninit(&ofpacts
);
1282 ofctl_mod_port(int argc OVS_UNUSED
, char *argv
[])
1284 struct ofp_config_flag
{
1285 const char *name
; /* The flag's name. */
1286 enum ofputil_port_config bit
; /* Bit to turn on or off. */
1287 bool on
; /* Value to set the bit to. */
1289 static const struct ofp_config_flag flags
[] = {
1290 { "up", OFPUTIL_PC_PORT_DOWN
, false },
1291 { "down", OFPUTIL_PC_PORT_DOWN
, true },
1292 { "stp", OFPUTIL_PC_NO_STP
, false },
1293 { "receive", OFPUTIL_PC_NO_RECV
, false },
1294 { "receive-stp", OFPUTIL_PC_NO_RECV_STP
, false },
1295 { "flood", OFPUTIL_PC_NO_FLOOD
, false },
1296 { "forward", OFPUTIL_PC_NO_FWD
, false },
1297 { "packet-in", OFPUTIL_PC_NO_PACKET_IN
, false },
1300 const struct ofp_config_flag
*flag
;
1301 enum ofputil_protocol protocol
;
1302 struct ofputil_port_mod pm
;
1303 struct ofputil_phy_port pp
;
1304 struct vconn
*vconn
;
1305 const char *command
;
1308 fetch_ofputil_phy_port(argv
[1], argv
[2], &pp
);
1310 pm
.port_no
= pp
.port_no
;
1311 memcpy(pm
.hw_addr
, pp
.hw_addr
, ETH_ADDR_LEN
);
1316 if (!strncasecmp(argv
[3], "no-", 3)) {
1317 command
= argv
[3] + 3;
1319 } else if (!strncasecmp(argv
[3], "no", 2)) {
1320 command
= argv
[3] + 2;
1326 for (flag
= flags
; flag
< &flags
[ARRAY_SIZE(flags
)]; flag
++) {
1327 if (!strcasecmp(command
, flag
->name
)) {
1328 pm
.mask
= flag
->bit
;
1329 pm
.config
= flag
->on
^ not ? flag
->bit
: 0;
1333 ovs_fatal(0, "unknown mod-port command '%s'", argv
[3]);
1336 protocol
= open_vconn(argv
[1], &vconn
);
1337 transact_noreply(vconn
, ofputil_encode_port_mod(&pm
, protocol
));
1342 ofctl_get_frags(int argc OVS_UNUSED
, char *argv
[])
1344 struct ofp_switch_config config
;
1345 struct vconn
*vconn
;
1347 open_vconn(argv
[1], &vconn
);
1348 fetch_switch_config(vconn
, &config
);
1349 puts(ofputil_frag_handling_to_string(ntohs(config
.flags
)));
1354 ofctl_set_frags(int argc OVS_UNUSED
, char *argv
[])
1356 struct ofp_switch_config config
;
1357 enum ofp_config_flags mode
;
1358 struct vconn
*vconn
;
1361 if (!ofputil_frag_handling_from_string(argv
[2], &mode
)) {
1362 ovs_fatal(0, "%s: unknown fragment handling mode", argv
[2]);
1365 open_vconn(argv
[1], &vconn
);
1366 fetch_switch_config(vconn
, &config
);
1367 flags
= htons(mode
) | (config
.flags
& htons(~OFPC_FRAG_MASK
));
1368 if (flags
!= config
.flags
) {
1369 /* Set the configuration. */
1370 config
.flags
= flags
;
1371 set_switch_config(vconn
, &config
);
1373 /* Then retrieve the configuration to see if it really took. OpenFlow
1374 * doesn't define error reporting for bad modes, so this is all we can
1376 fetch_switch_config(vconn
, &config
);
1377 if (flags
!= config
.flags
) {
1378 ovs_fatal(0, "%s: setting fragment handling mode failed (this "
1379 "switch probably doesn't support mode \"%s\")",
1380 argv
[1], ofputil_frag_handling_to_string(mode
));
1387 ofctl_ping(int argc
, char *argv
[])
1389 size_t max_payload
= 65535 - sizeof(struct ofp_header
);
1390 unsigned int payload
;
1391 struct vconn
*vconn
;
1394 payload
= argc
> 2 ? atoi(argv
[2]) : 64;
1395 if (payload
> max_payload
) {
1396 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload
);
1399 open_vconn(argv
[1], &vconn
);
1400 for (i
= 0; i
< 10; i
++) {
1401 struct timeval start
, end
;
1402 struct ofpbuf
*request
, *reply
;
1403 struct ofp_header
*rq_hdr
, *rpy_hdr
;
1405 rq_hdr
= make_openflow(sizeof(struct ofp_header
) + payload
,
1406 OFPT_ECHO_REQUEST
, &request
);
1407 random_bytes(rq_hdr
+ 1, payload
);
1409 xgettimeofday(&start
);
1410 run(vconn_transact(vconn
, ofpbuf_clone(request
), &reply
), "transact");
1411 xgettimeofday(&end
);
1413 rpy_hdr
= reply
->data
;
1414 if (reply
->size
!= request
->size
1415 || memcmp(rpy_hdr
+ 1, rq_hdr
+ 1, payload
)
1416 || rpy_hdr
->xid
!= rq_hdr
->xid
1417 || rpy_hdr
->type
!= OFPT_ECHO_REPLY
) {
1418 printf("Reply does not match request. Request:\n");
1419 ofp_print(stdout
, request
, request
->size
, verbosity
+ 2);
1421 ofp_print(stdout
, reply
, reply
->size
, verbosity
+ 2);
1423 printf("%zu bytes from %s: xid=%08"PRIx32
" time=%.1f ms\n",
1424 reply
->size
- sizeof *rpy_hdr
, argv
[1], ntohl(rpy_hdr
->xid
),
1425 (1000*(double)(end
.tv_sec
- start
.tv_sec
))
1426 + (.001*(end
.tv_usec
- start
.tv_usec
)));
1427 ofpbuf_delete(request
);
1428 ofpbuf_delete(reply
);
1434 ofctl_benchmark(int argc OVS_UNUSED
, char *argv
[])
1436 size_t max_payload
= 65535 - sizeof(struct ofp_header
);
1437 struct timeval start
, end
;
1438 unsigned int payload_size
, message_size
;
1439 struct vconn
*vconn
;
1444 payload_size
= atoi(argv
[2]);
1445 if (payload_size
> max_payload
) {
1446 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload
);
1448 message_size
= sizeof(struct ofp_header
) + payload_size
;
1450 count
= atoi(argv
[3]);
1452 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
1453 count
, message_size
, count
* message_size
);
1455 open_vconn(argv
[1], &vconn
);
1456 xgettimeofday(&start
);
1457 for (i
= 0; i
< count
; i
++) {
1458 struct ofpbuf
*request
, *reply
;
1459 struct ofp_header
*rq_hdr
;
1461 rq_hdr
= make_openflow(message_size
, OFPT_ECHO_REQUEST
, &request
);
1462 memset(rq_hdr
+ 1, 0, payload_size
);
1463 run(vconn_transact(vconn
, request
, &reply
), "transact");
1464 ofpbuf_delete(reply
);
1466 xgettimeofday(&end
);
1469 duration
= ((1000*(double)(end
.tv_sec
- start
.tv_sec
))
1470 + (.001*(end
.tv_usec
- start
.tv_usec
)));
1471 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
1472 duration
, count
/ (duration
/ 1000.0),
1473 count
* message_size
/ (duration
/ 1000.0));
1477 ofctl_help(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
1482 /* replace-flows and diff-flows commands. */
1484 /* A flow table entry, possibly with two different versions. */
1486 struct cls_rule rule
; /* Within a "struct classifier". */
1487 struct fte_version
*versions
[2];
1490 /* One version of a Flow Table Entry. */
1491 struct fte_version
{
1493 uint16_t idle_timeout
;
1494 uint16_t hard_timeout
;
1496 struct ofpact
*ofpacts
;
1500 /* Frees 'version' and the data that it owns. */
1502 fte_version_free(struct fte_version
*version
)
1505 free(version
->ofpacts
);
1510 /* Returns true if 'a' and 'b' are the same, false if they differ.
1512 * Ignores differences in 'flags' because there's no way to retrieve flags from
1513 * an OpenFlow switch. We have to assume that they are the same. */
1515 fte_version_equals(const struct fte_version
*a
, const struct fte_version
*b
)
1517 return (a
->cookie
== b
->cookie
1518 && a
->idle_timeout
== b
->idle_timeout
1519 && a
->hard_timeout
== b
->hard_timeout
1520 && ofpacts_equal(a
->ofpacts
, a
->ofpacts_len
,
1521 b
->ofpacts
, b
->ofpacts_len
));
1524 /* Prints 'version' on stdout. Expects the caller to have printed the rule
1525 * associated with the version. */
1527 fte_version_print(const struct fte_version
*version
)
1531 if (version
->cookie
!= htonll(0)) {
1532 printf(" cookie=0x%"PRIx64
, ntohll(version
->cookie
));
1534 if (version
->idle_timeout
!= OFP_FLOW_PERMANENT
) {
1535 printf(" idle_timeout=%"PRIu16
, version
->idle_timeout
);
1537 if (version
->hard_timeout
!= OFP_FLOW_PERMANENT
) {
1538 printf(" hard_timeout=%"PRIu16
, version
->hard_timeout
);
1542 ofpacts_format(version
->ofpacts
, version
->ofpacts_len
, &s
);
1543 printf(" %s\n", ds_cstr(&s
));
1548 fte_from_cls_rule(const struct cls_rule
*cls_rule
)
1550 return cls_rule
? CONTAINER_OF(cls_rule
, struct fte
, rule
) : NULL
;
1553 /* Frees 'fte' and its versions. */
1555 fte_free(struct fte
*fte
)
1558 fte_version_free(fte
->versions
[0]);
1559 fte_version_free(fte
->versions
[1]);
1564 /* Frees all of the FTEs within 'cls'. */
1566 fte_free_all(struct classifier
*cls
)
1568 struct cls_cursor cursor
;
1569 struct fte
*fte
, *next
;
1571 cls_cursor_init(&cursor
, cls
, NULL
);
1572 CLS_CURSOR_FOR_EACH_SAFE (fte
, next
, rule
, &cursor
) {
1573 classifier_remove(cls
, &fte
->rule
);
1576 classifier_destroy(cls
);
1579 /* Searches 'cls' for an FTE matching 'rule', inserting a new one if
1580 * necessary. Sets 'version' as the version of that rule with the given
1581 * 'index', replacing any existing version, if any.
1583 * Takes ownership of 'version'. */
1585 fte_insert(struct classifier
*cls
, const struct cls_rule
*rule
,
1586 struct fte_version
*version
, int index
)
1588 struct fte
*old
, *fte
;
1590 fte
= xzalloc(sizeof *fte
);
1592 fte
->versions
[index
] = version
;
1594 old
= fte_from_cls_rule(classifier_replace(cls
, &fte
->rule
));
1596 fte_version_free(old
->versions
[index
]);
1597 fte
->versions
[!index
] = old
->versions
[!index
];
1602 /* Reads the flows in 'filename' as flow table entries in 'cls' for the version
1603 * with the specified 'index'. Returns the flow formats able to represent the
1604 * flows that were read. */
1605 static enum ofputil_protocol
1606 read_flows_from_file(const char *filename
, struct classifier
*cls
, int index
)
1608 enum ofputil_protocol usable_protocols
;
1612 file
= !strcmp(filename
, "-") ? stdin
: fopen(filename
, "r");
1614 ovs_fatal(errno
, "%s: open", filename
);
1618 usable_protocols
= OFPUTIL_P_ANY
;
1619 while (!ds_get_preprocessed_line(&s
, file
)) {
1620 struct fte_version
*version
;
1621 struct ofputil_flow_mod fm
;
1623 parse_ofp_str(&fm
, OFPFC_ADD
, ds_cstr(&s
), true);
1625 version
= xmalloc(sizeof *version
);
1626 version
->cookie
= fm
.new_cookie
;
1627 version
->idle_timeout
= fm
.idle_timeout
;
1628 version
->hard_timeout
= fm
.hard_timeout
;
1629 version
->flags
= fm
.flags
& (OFPFF_SEND_FLOW_REM
| OFPFF_EMERG
);
1630 version
->ofpacts
= fm
.ofpacts
;
1631 version
->ofpacts_len
= fm
.ofpacts_len
;
1633 usable_protocols
&= ofputil_usable_protocols(&fm
.cr
);
1635 fte_insert(cls
, &fm
.cr
, version
, index
);
1639 if (file
!= stdin
) {
1643 return usable_protocols
;
1646 /* Reads the OpenFlow flow table from 'vconn', which has currently active flow
1647 * format 'protocol', and adds them as flow table entries in 'cls' for the
1648 * version with the specified 'index'. */
1650 read_flows_from_switch(struct vconn
*vconn
,
1651 enum ofputil_protocol protocol
,
1652 struct classifier
*cls
, int index
)
1654 struct ofputil_flow_stats_request fsr
;
1655 struct ofpbuf
*request
;
1659 fsr
.aggregate
= false;
1660 cls_rule_init_catchall(&fsr
.match
, 0);
1661 fsr
.out_port
= OFPP_NONE
;
1662 fsr
.table_id
= 0xff;
1663 fsr
.cookie
= fsr
.cookie_mask
= htonll(0);
1664 request
= ofputil_encode_flow_stats_request(&fsr
, protocol
);
1665 send_xid
= ((struct ofp_header
*) request
->data
)->xid
;
1666 send_openflow_buffer(vconn
, request
);
1671 struct ofpbuf
*reply
;
1673 run(vconn_recv_block(vconn
, &reply
), "OpenFlow packet receive failed");
1674 recv_xid
= ((struct ofp_header
*) reply
->data
)->xid
;
1675 if (send_xid
== recv_xid
) {
1676 const struct ofputil_msg_type
*type
;
1677 const struct ofp_stats_msg
*osm
;
1678 enum ofputil_msg_code code
;
1680 ofputil_decode_msg_type(reply
->data
, &type
);
1681 code
= ofputil_msg_type_code(type
);
1682 if (code
!= OFPUTIL_OFPST_FLOW_REPLY
&&
1683 code
!= OFPUTIL_NXST_FLOW_REPLY
) {
1684 ovs_fatal(0, "received bad reply: %s",
1685 ofp_to_string(reply
->data
, reply
->size
,
1690 if (!(osm
->flags
& htons(OFPSF_REPLY_MORE
))) {
1695 struct fte_version
*version
;
1696 struct ofputil_flow_stats fs
;
1697 struct ofpbuf ofpacts
;
1700 ofpbuf_init(&ofpacts
, 64);
1701 retval
= ofputil_decode_flow_stats_reply(&fs
, reply
, false,
1704 ofpbuf_uninit(&ofpacts
);
1705 if (retval
!= EOF
) {
1706 ovs_fatal(0, "parse error in reply");
1711 version
= xmalloc(sizeof *version
);
1712 version
->cookie
= fs
.cookie
;
1713 version
->idle_timeout
= fs
.idle_timeout
;
1714 version
->hard_timeout
= fs
.hard_timeout
;
1716 version
->ofpacts
= ofpbuf_steal_data(&ofpacts
);
1717 version
->ofpacts_len
= ofpacts
.size
;
1719 fte_insert(cls
, &fs
.rule
, version
, index
);
1722 VLOG_DBG("received reply with xid %08"PRIx32
" "
1723 "!= expected %08"PRIx32
, recv_xid
, send_xid
);
1725 ofpbuf_delete(reply
);
1730 fte_make_flow_mod(const struct fte
*fte
, int index
, uint16_t command
,
1731 enum ofputil_protocol protocol
, struct list
*packets
)
1733 const struct fte_version
*version
= fte
->versions
[index
];
1734 struct ofputil_flow_mod fm
;
1738 fm
.cookie
= htonll(0);
1739 fm
.cookie_mask
= htonll(0);
1740 fm
.new_cookie
= version
->cookie
;
1742 fm
.command
= command
;
1743 fm
.idle_timeout
= version
->idle_timeout
;
1744 fm
.hard_timeout
= version
->hard_timeout
;
1745 fm
.buffer_id
= UINT32_MAX
;
1746 fm
.out_port
= OFPP_NONE
;
1747 fm
.flags
= version
->flags
;
1748 if (command
== OFPFC_ADD
|| command
== OFPFC_MODIFY
||
1749 command
== OFPFC_MODIFY_STRICT
) {
1750 fm
.ofpacts
= version
->ofpacts
;
1751 fm
.ofpacts_len
= version
->ofpacts_len
;
1757 ofm
= ofputil_encode_flow_mod(&fm
, protocol
);
1758 list_push_back(packets
, &ofm
->list_node
);
1762 ofctl_replace_flows(int argc OVS_UNUSED
, char *argv
[])
1764 enum { FILE_IDX
= 0, SWITCH_IDX
= 1 };
1765 enum ofputil_protocol usable_protocols
, protocol
;
1766 struct cls_cursor cursor
;
1767 struct classifier cls
;
1768 struct list requests
;
1769 struct vconn
*vconn
;
1772 classifier_init(&cls
);
1773 usable_protocols
= read_flows_from_file(argv
[2], &cls
, FILE_IDX
);
1775 protocol
= open_vconn(argv
[1], &vconn
);
1776 protocol
= set_protocol_for_flow_dump(vconn
, protocol
, usable_protocols
);
1778 read_flows_from_switch(vconn
, protocol
, &cls
, SWITCH_IDX
);
1780 list_init(&requests
);
1782 /* Delete flows that exist on the switch but not in the file. */
1783 cls_cursor_init(&cursor
, &cls
, NULL
);
1784 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1785 struct fte_version
*file_ver
= fte
->versions
[FILE_IDX
];
1786 struct fte_version
*sw_ver
= fte
->versions
[SWITCH_IDX
];
1788 if (sw_ver
&& !file_ver
) {
1789 fte_make_flow_mod(fte
, SWITCH_IDX
, OFPFC_DELETE_STRICT
,
1790 protocol
, &requests
);
1794 /* Add flows that exist in the file but not on the switch.
1795 * Update flows that exist in both places but differ. */
1796 cls_cursor_init(&cursor
, &cls
, NULL
);
1797 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1798 struct fte_version
*file_ver
= fte
->versions
[FILE_IDX
];
1799 struct fte_version
*sw_ver
= fte
->versions
[SWITCH_IDX
];
1802 && (readd
|| !sw_ver
|| !fte_version_equals(sw_ver
, file_ver
))) {
1803 fte_make_flow_mod(fte
, FILE_IDX
, OFPFC_ADD
, protocol
, &requests
);
1806 transact_multiple_noreply(vconn
, &requests
);
1813 read_flows_from_source(const char *source
, struct classifier
*cls
, int index
)
1817 if (source
[0] == '/' || source
[0] == '.'
1818 || (!strchr(source
, ':') && !stat(source
, &s
))) {
1819 read_flows_from_file(source
, cls
, index
);
1821 enum ofputil_protocol protocol
;
1822 struct vconn
*vconn
;
1824 protocol
= open_vconn(source
, &vconn
);
1825 protocol
= set_protocol_for_flow_dump(vconn
, protocol
, OFPUTIL_P_ANY
);
1826 read_flows_from_switch(vconn
, protocol
, cls
, index
);
1832 ofctl_diff_flows(int argc OVS_UNUSED
, char *argv
[])
1834 bool differences
= false;
1835 struct cls_cursor cursor
;
1836 struct classifier cls
;
1839 classifier_init(&cls
);
1840 read_flows_from_source(argv
[1], &cls
, 0);
1841 read_flows_from_source(argv
[2], &cls
, 1);
1843 cls_cursor_init(&cursor
, &cls
, NULL
);
1844 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1845 struct fte_version
*a
= fte
->versions
[0];
1846 struct fte_version
*b
= fte
->versions
[1];
1848 if (!a
|| !b
|| !fte_version_equals(a
, b
)) {
1849 char *rule_s
= cls_rule_to_string(&fte
->rule
);
1851 printf("-%s", rule_s
);
1852 fte_version_print(a
);
1855 printf("+%s", rule_s
);
1856 fte_version_print(b
);
1871 /* Undocumented commands for unit testing. */
1874 ofctl_parse_flows__(struct ofputil_flow_mod
*fms
, size_t n_fms
)
1876 enum ofputil_protocol usable_protocols
;
1877 enum ofputil_protocol protocol
= 0;
1881 usable_protocols
= ofputil_flow_mod_usable_protocols(fms
, n_fms
);
1882 usable_s
= ofputil_protocols_to_string(usable_protocols
);
1883 printf("usable protocols: %s\n", usable_s
);
1886 if (!(usable_protocols
& allowed_protocols
)) {
1887 ovs_fatal(0, "no usable protocol");
1889 for (i
= 0; i
< sizeof(enum ofputil_protocol
) * CHAR_BIT
; i
++) {
1891 if (protocol
& usable_protocols
& allowed_protocols
) {
1895 assert(IS_POW2(protocol
));
1897 printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol
));
1899 for (i
= 0; i
< n_fms
; i
++) {
1900 struct ofputil_flow_mod
*fm
= &fms
[i
];
1903 msg
= ofputil_encode_flow_mod(fm
, protocol
);
1904 ofp_print(stdout
, msg
->data
, msg
->size
, verbosity
);
1911 /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints
1912 * it back to stdout. */
1914 ofctl_parse_flow(int argc OVS_UNUSED
, char *argv
[])
1916 struct ofputil_flow_mod fm
;
1918 parse_ofp_flow_mod_str(&fm
, argv
[1], OFPFC_ADD
, false);
1919 ofctl_parse_flows__(&fm
, 1);
1922 /* "parse-flows FILENAME": reads the named file as a sequence of flows (like
1923 * add-flows) and prints each of the flows back to stdout. */
1925 ofctl_parse_flows(int argc OVS_UNUSED
, char *argv
[])
1927 struct ofputil_flow_mod
*fms
= NULL
;
1930 parse_ofp_flow_mod_file(argv
[1], OFPFC_ADD
, &fms
, &n_fms
);
1931 ofctl_parse_flows__(fms
, n_fms
);
1936 ofctl_parse_nxm__(bool oxm
)
1941 while (!ds_get_test_line(&in
, stdin
)) {
1942 struct ofpbuf nx_match
;
1943 struct cls_rule rule
;
1944 ovs_be64 cookie
, cookie_mask
;
1948 /* Convert string to nx_match. */
1949 ofpbuf_init(&nx_match
, 0);
1950 match_len
= nx_match_from_string(ds_cstr(&in
), &nx_match
);
1952 /* Convert nx_match to cls_rule. */
1954 error
= nx_pull_match(&nx_match
, match_len
, 0, &rule
,
1955 &cookie
, &cookie_mask
);
1957 error
= nx_pull_match_loose(&nx_match
, match_len
, 0, &rule
,
1958 &cookie
, &cookie_mask
);
1964 /* Convert cls_rule back to nx_match. */
1965 ofpbuf_uninit(&nx_match
);
1966 ofpbuf_init(&nx_match
, 0);
1967 match_len
= nx_put_match(&nx_match
, oxm
, &rule
,
1968 cookie
, cookie_mask
);
1970 /* Convert nx_match to string. */
1971 out
= nx_match_to_string(nx_match
.data
, match_len
);
1975 printf("nx_pull_match() returned error %s\n",
1976 ofperr_get_name(error
));
1979 ofpbuf_uninit(&nx_match
);
1984 /* "parse-nxm": reads a series of NXM nx_match specifications as strings from
1985 * stdin, does some internal fussing with them, and then prints them back as
1986 * strings on stdout. */
1988 ofctl_parse_nxm(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
1990 return ofctl_parse_nxm__(false);
1993 /* "parse-oxm": reads a series of OXM nx_match specifications as strings from
1994 * stdin, does some internal fussing with them, and then prints them back as
1995 * strings on stdout. */
1997 ofctl_parse_oxm(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
1999 return ofctl_parse_nxm__(true);
2003 print_differences(const void *a_
, size_t a_len
,
2004 const void *b_
, size_t b_len
)
2006 const uint8_t *a
= a_
;
2007 const uint8_t *b
= b_
;
2010 for (i
= 0; i
< MIN(a_len
, b_len
); i
++) {
2012 printf("%2zu: %02"PRIx8
" -> %02"PRIx8
"\n", i
, a
[i
], b
[i
]);
2015 for (i
= a_len
; i
< b_len
; i
++) {
2016 printf("%2zu: (none) -> %02"PRIx8
"\n", i
, b
[i
]);
2018 for (i
= b_len
; i
< a_len
; i
++) {
2019 printf("%2zu: %02"PRIx8
" -> (none)\n", i
, a
[i
]);
2023 /* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications
2024 * as hex bytes from stdin, converts them to ofpacts, prints them as strings
2025 * on stdout, and then converts them back to hex bytes and prints any
2026 * differences from the input. */
2028 ofctl_parse_ofp10_actions(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
2033 while (!ds_get_preprocessed_line(&in
, stdin
)) {
2034 struct ofpbuf of10_out
;
2035 struct ofpbuf of10_in
;
2036 struct ofpbuf ofpacts
;
2041 /* Parse hex bytes. */
2042 ofpbuf_init(&of10_in
, 0);
2043 if (ofpbuf_put_hex(&of10_in
, ds_cstr(&in
), NULL
)[0] != '\0') {
2044 ovs_fatal(0, "Trailing garbage in hex data");
2047 /* Convert to ofpacts. */
2048 ofpbuf_init(&ofpacts
, 0);
2049 size
= of10_in
.size
;
2050 error
= ofpacts_pull_openflow10(&of10_in
, of10_in
.size
, &ofpacts
);
2052 printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error
));
2053 ofpbuf_uninit(&ofpacts
);
2054 ofpbuf_uninit(&of10_in
);
2057 ofpbuf_push_uninit(&of10_in
, size
);
2059 /* Print cls_rule. */
2061 ofpacts_format(ofpacts
.data
, ofpacts
.size
, &s
);
2065 /* Convert back to ofp10 actions and print differences from input. */
2066 ofpbuf_init(&of10_out
, 0);
2067 ofpacts_put_openflow10(ofpacts
.data
, ofpacts
.size
, &of10_out
);
2069 print_differences(of10_in
.data
, of10_in
.size
,
2070 of10_out
.data
, of10_out
.size
);
2073 ofpbuf_uninit(&ofpacts
);
2074 ofpbuf_uninit(&of10_in
);
2075 ofpbuf_uninit(&of10_out
);
2080 /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex
2081 * bytes from stdin, converts them to cls_rules, prints them as strings on
2082 * stdout, and then converts them back to hex bytes and prints any differences
2083 * from the input. */
2085 ofctl_parse_ofp11_match(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
2090 while (!ds_get_preprocessed_line(&in
, stdin
)) {
2091 struct ofpbuf match_in
;
2092 struct ofp11_match match_out
;
2093 struct cls_rule rule
;
2096 /* Parse hex bytes. */
2097 ofpbuf_init(&match_in
, 0);
2098 if (ofpbuf_put_hex(&match_in
, ds_cstr(&in
), NULL
)[0] != '\0') {
2099 ovs_fatal(0, "Trailing garbage in hex data");
2101 if (match_in
.size
!= sizeof(struct ofp11_match
)) {
2102 ovs_fatal(0, "Input is %zu bytes, expected %zu",
2103 match_in
.size
, sizeof(struct ofp11_match
));
2106 /* Convert to cls_rule. */
2107 error
= ofputil_cls_rule_from_ofp11_match(match_in
.data
,
2108 OFP_DEFAULT_PRIORITY
, &rule
);
2110 printf("bad ofp11_match: %s\n\n", ofperr_get_name(error
));
2111 ofpbuf_uninit(&match_in
);
2115 /* Print cls_rule. */
2116 cls_rule_print(&rule
);
2118 /* Convert back to ofp11_match and print differences from input. */
2119 ofputil_cls_rule_to_ofp11_match(&rule
, &match_out
);
2121 print_differences(match_in
.data
, match_in
.size
,
2122 &match_out
, sizeof match_out
);
2125 ofpbuf_uninit(&match_in
);
2130 /* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications
2131 * as hex bytes from stdin, converts them to ofpacts, prints them as strings
2132 * on stdout, and then converts them back to hex bytes and prints any
2133 * differences from the input. */
2135 ofctl_parse_ofp11_actions(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
2140 while (!ds_get_preprocessed_line(&in
, stdin
)) {
2141 struct ofpbuf of11_out
;
2142 struct ofpbuf of11_in
;
2143 struct ofpbuf ofpacts
;
2148 /* Parse hex bytes. */
2149 ofpbuf_init(&of11_in
, 0);
2150 if (ofpbuf_put_hex(&of11_in
, ds_cstr(&in
), NULL
)[0] != '\0') {
2151 ovs_fatal(0, "Trailing garbage in hex data");
2154 /* Convert to ofpacts. */
2155 ofpbuf_init(&ofpacts
, 0);
2156 size
= of11_in
.size
;
2157 error
= ofpacts_pull_openflow11_actions(&of11_in
, of11_in
.size
,
2160 printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error
));
2161 ofpbuf_uninit(&ofpacts
);
2162 ofpbuf_uninit(&of11_in
);
2165 ofpbuf_push_uninit(&of11_in
, size
);
2167 /* Print cls_rule. */
2169 ofpacts_format(ofpacts
.data
, ofpacts
.size
, &s
);
2173 /* Convert back to ofp11 actions and print differences from input. */
2174 ofpbuf_init(&of11_out
, 0);
2175 ofpacts_put_openflow11_actions(ofpacts
.data
, ofpacts
.size
, &of11_out
);
2177 print_differences(of11_in
.data
, of11_in
.size
,
2178 of11_out
.data
, of11_out
.size
);
2181 ofpbuf_uninit(&ofpacts
);
2182 ofpbuf_uninit(&of11_in
);
2183 ofpbuf_uninit(&of11_out
);
2188 /* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction
2189 * specifications as hex bytes from stdin, converts them to ofpacts, prints
2190 * them as strings on stdout, and then converts them back to hex bytes and
2191 * prints any differences from the input. */
2193 ofctl_parse_ofp11_instructions(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
2198 while (!ds_get_preprocessed_line(&in
, stdin
)) {
2199 struct ofpbuf of11_out
;
2200 struct ofpbuf of11_in
;
2201 struct ofpbuf ofpacts
;
2206 /* Parse hex bytes. */
2207 ofpbuf_init(&of11_in
, 0);
2208 if (ofpbuf_put_hex(&of11_in
, ds_cstr(&in
), NULL
)[0] != '\0') {
2209 ovs_fatal(0, "Trailing garbage in hex data");
2212 /* Convert to ofpacts. */
2213 ofpbuf_init(&ofpacts
, 0);
2214 size
= of11_in
.size
;
2215 error
= ofpacts_pull_openflow11_instructions(&of11_in
, of11_in
.size
,
2218 printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error
));
2219 ofpbuf_uninit(&ofpacts
);
2220 ofpbuf_uninit(&of11_in
);
2223 ofpbuf_push_uninit(&of11_in
, size
);
2225 /* Print cls_rule. */
2227 ofpacts_format(ofpacts
.data
, ofpacts
.size
, &s
);
2231 /* Convert back to ofp11 instructions and print differences from
2233 ofpbuf_init(&of11_out
, 0);
2234 ofpacts_put_openflow11_instructions(ofpacts
.data
, ofpacts
.size
,
2237 print_differences(of11_in
.data
, of11_in
.size
,
2238 of11_out
.data
, of11_out
.size
);
2241 ofpbuf_uninit(&ofpacts
);
2242 ofpbuf_uninit(&of11_in
);
2243 ofpbuf_uninit(&of11_out
);
2248 /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow
2251 ofctl_print_error(int argc OVS_UNUSED
, char *argv
[])
2256 error
= ofperr_from_name(argv
[1]);
2258 ovs_fatal(0, "unknown error \"%s\"", argv
[1]);
2261 for (version
= 0; version
<= UINT8_MAX
; version
++) {
2262 const struct ofperr_domain
*domain
;
2264 domain
= ofperr_domain_from_version(version
);
2269 printf("%s: %d,%d\n",
2270 ofperr_domain_get_name(domain
),
2271 ofperr_get_type(error
, domain
),
2272 ofperr_get_code(error
, domain
));
2276 /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into
2277 * binary data, interpreting them as an OpenFlow message, and prints the
2278 * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */
2280 ofctl_ofp_print(int argc
, char *argv
[])
2282 struct ofpbuf packet
;
2284 ofpbuf_init(&packet
, strlen(argv
[1]) / 2);
2285 if (ofpbuf_put_hex(&packet
, argv
[1], NULL
)[0] != '\0') {
2286 ovs_fatal(0, "trailing garbage following hex bytes");
2288 ofp_print(stdout
, packet
.data
, packet
.size
, argc
> 2 ? atoi(argv
[2]) : 2);
2289 ofpbuf_uninit(&packet
);
2292 static const struct command all_commands
[] = {
2293 { "show", 1, 1, ofctl_show
},
2294 { "monitor", 1, 3, ofctl_monitor
},
2295 { "snoop", 1, 1, ofctl_snoop
},
2296 { "dump-desc", 1, 1, ofctl_dump_desc
},
2297 { "dump-tables", 1, 1, ofctl_dump_tables
},
2298 { "dump-flows", 1, 2, ofctl_dump_flows
},
2299 { "dump-aggregate", 1, 2, ofctl_dump_aggregate
},
2300 { "queue-stats", 1, 3, ofctl_queue_stats
},
2301 { "add-flow", 2, 2, ofctl_add_flow
},
2302 { "add-flows", 2, 2, ofctl_add_flows
},
2303 { "mod-flows", 2, 2, ofctl_mod_flows
},
2304 { "del-flows", 1, 2, ofctl_del_flows
},
2305 { "replace-flows", 2, 2, ofctl_replace_flows
},
2306 { "diff-flows", 2, 2, ofctl_diff_flows
},
2307 { "packet-out", 4, INT_MAX
, ofctl_packet_out
},
2308 { "dump-ports", 1, 2, ofctl_dump_ports
},
2309 { "dump-ports-desc", 1, 1, ofctl_dump_ports_desc
},
2310 { "mod-port", 3, 3, ofctl_mod_port
},
2311 { "get-frags", 1, 1, ofctl_get_frags
},
2312 { "set-frags", 2, 2, ofctl_set_frags
},
2313 { "probe", 1, 1, ofctl_probe
},
2314 { "ping", 1, 2, ofctl_ping
},
2315 { "benchmark", 3, 3, ofctl_benchmark
},
2316 { "help", 0, INT_MAX
, ofctl_help
},
2318 /* Undocumented commands for testing. */
2319 { "parse-flow", 1, 1, ofctl_parse_flow
},
2320 { "parse-flows", 1, 1, ofctl_parse_flows
},
2321 { "parse-nx-match", 0, 0, ofctl_parse_nxm
},
2322 { "parse-nxm", 0, 0, ofctl_parse_nxm
},
2323 { "parse-oxm", 0, 0, ofctl_parse_oxm
},
2324 { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions
},
2325 { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match
},
2326 { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions
},
2327 { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions
},
2328 { "print-error", 1, 1, ofctl_print_error
},
2329 { "ofp-print", 1, 2, ofctl_ofp_print
},
2331 { NULL
, 0, 0, NULL
},