2 * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
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>
30 #include "byte-order.h"
31 #include "classifier.h"
32 #include "command-line.h"
36 #include "dynamic-string.h"
40 #include "ofp-parse.h"
41 #include "ofp-print.h"
44 #include "ofproto/ofproto.h"
45 #include "openflow/nicira-ext.h"
46 #include "openflow/openflow.h"
47 #include "poll-loop.h"
49 #include "stream-ssl.h"
56 VLOG_DEFINE_THIS_MODULE(ofctl
);
58 /* --strict: Use strict matching for flow mod commands? Additionally governs
59 * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
63 /* --readd: If ture, on replace-flows, re-add even flows that have not changed
64 * (to reset flow counters). */
67 /* -F, --flow-format: Flow format to use. Either one of NXFF_* to force a
68 * particular flow format or -1 to let ovs-ofctl choose intelligently. */
69 static int preferred_flow_format
= -1;
71 /* -m, --more: Additional verbosity for ofp-print functions. */
74 static const struct command all_commands
[];
76 static void usage(void) NO_RETURN
;
77 static void parse_options(int argc
, char *argv
[]);
80 main(int argc
, char *argv
[])
82 set_program_name(argv
[0]);
83 parse_options(argc
, argv
);
84 signal(SIGPIPE
, SIG_IGN
);
85 run_command(argc
- optind
, argv
+ optind
, all_commands
);
90 parse_options(int argc
, char *argv
[])
93 OPT_STRICT
= UCHAR_MAX
+ 1,
98 static struct option long_options
[] = {
99 {"timeout", required_argument
, NULL
, 't'},
100 {"strict", no_argument
, NULL
, OPT_STRICT
},
101 {"readd", no_argument
, NULL
, OPT_READD
},
102 {"flow-format", required_argument
, NULL
, 'F'},
103 {"more", no_argument
, NULL
, 'm'},
104 {"help", no_argument
, NULL
, 'h'},
105 {"version", no_argument
, NULL
, 'V'},
108 STREAM_SSL_LONG_OPTIONS
,
111 char *short_options
= long_options_to_short_options(long_options
);
114 unsigned long int timeout
;
117 c
= getopt_long(argc
, argv
, short_options
, long_options
, NULL
);
124 timeout
= strtoul(optarg
, NULL
, 10);
126 ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
134 preferred_flow_format
= ofputil_flow_format_from_string(optarg
);
135 if (preferred_flow_format
< 0) {
136 ovs_fatal(0, "unknown flow format `%s'", optarg
);
148 ovs_print_version(OFP_VERSION
, OFP_VERSION
);
159 DAEMON_OPTION_HANDLERS
161 STREAM_SSL_OPTION_HANDLERS
176 printf("%s: OpenFlow switch management utility\n"
177 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
178 "\nFor OpenFlow switches:\n"
179 " show SWITCH show OpenFlow information\n"
180 " dump-desc SWITCH print switch description\n"
181 " dump-tables SWITCH print table stats\n"
182 " mod-port SWITCH IFACE ACT modify port behavior\n"
183 " get-frags SWITCH print fragment handling behavior\n"
184 " set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
185 " dump-ports SWITCH [PORT] print port statistics\n"
186 " dump-flows SWITCH print all flow entries\n"
187 " dump-flows SWITCH FLOW print matching FLOWs\n"
188 " dump-aggregate SWITCH print aggregate flow statistics\n"
189 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
190 " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n"
191 " add-flow SWITCH FLOW add flow described by FLOW\n"
192 " add-flows SWITCH FILE add flows from FILE\n"
193 " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
194 " del-flows SWITCH [FLOW] delete matching FLOWs\n"
195 " replace-flows SWITCH FILE replace flows with those in FILE\n"
196 " monitor SWITCH [MISSLEN] print packets received from SWITCH\n"
197 "\nFor OpenFlow switches and controllers:\n"
198 " probe TARGET probe whether TARGET is up\n"
199 " ping TARGET [N] latency of N-byte echos\n"
200 " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n"
201 "where SWITCH or TARGET is an active OpenFlow connection method.\n",
202 program_name
, program_name
);
203 vconn_usage(true, false, false);
206 printf("\nOther options:\n"
207 " --strict use strict match for flow commands\n"
208 " --readd replace flows that haven't changed\n"
209 " -F, --flow-format=FORMAT force particular flow format\n"
210 " -m, --more be more verbose printing OpenFlow\n"
211 " -t, --timeout=SECS give up after SECS seconds\n"
212 " -h, --help display this help message\n"
213 " -V, --version display version information\n");
218 ofctl_exit(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
219 const char *argv
[] OVS_UNUSED
, void *exiting_
)
221 bool *exiting
= exiting_
;
223 unixctl_command_reply(conn
, 200, "");
226 static void run(int retval
, const char *message
, ...)
229 static void run(int retval
, const char *message
, ...)
234 va_start(args
, message
);
235 ovs_fatal_valist(retval
, message
, args
);
239 /* Generic commands. */
242 open_vconn_socket(const char *name
, struct vconn
**vconnp
)
244 char *vconn_name
= xasprintf("unix:%s", name
);
245 VLOG_DBG("connecting to %s", vconn_name
);
246 run(vconn_open_block(vconn_name
, OFP_VERSION
, vconnp
),
247 "connecting to %s", vconn_name
);
252 open_vconn__(const char *name
, const char *default_suffix
,
253 struct vconn
**vconnp
)
255 char *datapath_name
, *datapath_type
, *socket_name
;
259 bridge_path
= xasprintf("%s/%s.%s", ovs_rundir(), name
, default_suffix
);
261 ofproto_parse_name(name
, &datapath_name
, &datapath_type
);
262 socket_name
= xasprintf("%s/%s.%s",
263 ovs_rundir(), datapath_name
, default_suffix
);
267 if (strchr(name
, ':')) {
268 run(vconn_open_block(name
, OFP_VERSION
, vconnp
),
269 "connecting to %s", name
);
270 } else if (!stat(name
, &s
) && S_ISSOCK(s
.st_mode
)) {
271 open_vconn_socket(name
, vconnp
);
272 } else if (!stat(bridge_path
, &s
) && S_ISSOCK(s
.st_mode
)) {
273 open_vconn_socket(bridge_path
, vconnp
);
274 } else if (!stat(socket_name
, &s
)) {
275 if (!S_ISSOCK(s
.st_mode
)) {
276 ovs_fatal(0, "cannot connect to %s: %s is not a socket",
279 open_vconn_socket(socket_name
, vconnp
);
281 ovs_fatal(0, "%s is not a bridge or a socket", name
);
289 open_vconn(const char *name
, struct vconn
**vconnp
)
291 return open_vconn__(name
, "mgmt", vconnp
);
295 alloc_stats_request(size_t rq_len
, uint16_t type
, struct ofpbuf
**bufferp
)
297 struct ofp_stats_msg
*rq
;
299 rq
= make_openflow(rq_len
, OFPT_STATS_REQUEST
, bufferp
);
300 rq
->type
= htons(type
);
301 rq
->flags
= htons(0);
306 send_openflow_buffer(struct vconn
*vconn
, struct ofpbuf
*buffer
)
308 update_openflow_length(buffer
);
309 run(vconn_send_block(vconn
, buffer
), "failed to send packet to switch");
313 dump_transaction(const char *vconn_name
, struct ofpbuf
*request
)
316 struct ofpbuf
*reply
;
318 update_openflow_length(request
);
319 open_vconn(vconn_name
, &vconn
);
320 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", vconn_name
);
321 ofp_print(stdout
, reply
->data
, reply
->size
, verbosity
+ 1);
326 dump_trivial_transaction(const char *vconn_name
, uint8_t request_type
)
328 struct ofpbuf
*request
;
329 make_openflow(sizeof(struct ofp_header
), request_type
, &request
);
330 dump_transaction(vconn_name
, request
);
334 dump_stats_transaction(const char *vconn_name
, struct ofpbuf
*request
)
336 ovs_be32 send_xid
= ((struct ofp_header
*) request
->data
)->xid
;
340 open_vconn(vconn_name
, &vconn
);
341 send_openflow_buffer(vconn
, request
);
344 struct ofpbuf
*reply
;
346 run(vconn_recv_block(vconn
, &reply
), "OpenFlow packet receive failed");
347 recv_xid
= ((struct ofp_header
*) reply
->data
)->xid
;
348 if (send_xid
== recv_xid
) {
349 struct ofp_stats_msg
*osm
;
351 ofp_print(stdout
, reply
->data
, reply
->size
, verbosity
+ 1);
353 osm
= ofpbuf_at(reply
, 0, sizeof *osm
);
354 done
= !osm
|| !(ntohs(osm
->flags
) & OFPSF_REPLY_MORE
);
356 VLOG_DBG("received reply with xid %08"PRIx32
" "
357 "!= expected %08"PRIx32
, recv_xid
, send_xid
);
359 ofpbuf_delete(reply
);
365 dump_trivial_stats_transaction(const char *vconn_name
, uint8_t stats_type
)
367 struct ofpbuf
*request
;
368 alloc_stats_request(sizeof(struct ofp_stats_msg
), stats_type
, &request
);
369 dump_stats_transaction(vconn_name
, request
);
372 /* Sends 'request', which should be a request that only has a reply if an error
373 * occurs, and waits for it to succeed or fail. If an error does occur, prints
374 * it and exits with an error.
376 * Destroys all of the 'requests'. */
378 transact_multiple_noreply(struct vconn
*vconn
, struct list
*requests
)
380 struct ofpbuf
*request
, *reply
;
382 LIST_FOR_EACH (request
, list_node
, requests
) {
383 update_openflow_length(request
);
386 run(vconn_transact_multiple_noreply(vconn
, requests
, &reply
),
387 "talking to %s", vconn_get_name(vconn
));
389 ofp_print(stderr
, reply
->data
, reply
->size
, verbosity
+ 2);
392 ofpbuf_delete(reply
);
395 /* Sends 'request', which should be a request that only has a reply if an error
396 * occurs, and waits for it to succeed or fail. If an error does occur, prints
397 * it and exits with an error.
399 * Destroys 'request'. */
401 transact_noreply(struct vconn
*vconn
, struct ofpbuf
*request
)
403 struct list requests
;
405 list_init(&requests
);
406 list_push_back(&requests
, &request
->list_node
);
407 transact_multiple_noreply(vconn
, &requests
);
411 fetch_switch_config(struct vconn
*vconn
, struct ofp_switch_config
*config_
)
413 struct ofp_switch_config
*config
;
414 struct ofp_header
*header
;
415 struct ofpbuf
*request
;
416 struct ofpbuf
*reply
;
418 make_openflow(sizeof(struct ofp_header
), OFPT_GET_CONFIG_REQUEST
,
420 run(vconn_transact(vconn
, request
, &reply
),
421 "talking to %s", vconn_get_name(vconn
));
423 header
= reply
->data
;
424 if (header
->type
!= OFPT_GET_CONFIG_REPLY
||
425 header
->length
!= htons(sizeof *config
)) {
426 ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn
));
429 config
= reply
->data
;
434 set_switch_config(struct vconn
*vconn
, struct ofp_switch_config
*config_
)
436 struct ofp_switch_config
*config
;
437 struct ofp_header save_header
;
438 struct ofpbuf
*request
;
440 config
= make_openflow(sizeof *config
, OFPT_SET_CONFIG
, &request
);
441 save_header
= config
->header
;
443 config
->header
= save_header
;
445 transact_noreply(vconn
, request
);
449 do_show(int argc OVS_UNUSED
, char *argv
[])
451 dump_trivial_transaction(argv
[1], OFPT_FEATURES_REQUEST
);
452 dump_trivial_transaction(argv
[1], OFPT_GET_CONFIG_REQUEST
);
456 do_dump_desc(int argc OVS_UNUSED
, char *argv
[])
458 dump_trivial_stats_transaction(argv
[1], OFPST_DESC
);
462 do_dump_tables(int argc OVS_UNUSED
, char *argv
[])
464 dump_trivial_stats_transaction(argv
[1], OFPST_TABLE
);
467 /* Opens a connection to 'vconn_name', fetches the ofp_phy_port structure for
468 * 'port_name' (which may be a port name or number), and copies it into
471 fetch_ofp_phy_port(const char *vconn_name
, const char *port_name
,
472 struct ofp_phy_port
*oppp
)
474 struct ofpbuf
*request
, *reply
;
475 struct ofp_switch_features
*osf
;
476 unsigned int port_no
;
481 /* Try to interpret the argument as a port number. */
482 if (!str_to_uint(port_name
, 10, &port_no
)) {
486 /* Fetch the switch's ofp_switch_features. */
487 make_openflow(sizeof(struct ofp_header
), OFPT_FEATURES_REQUEST
, &request
);
488 open_vconn(vconn_name
, &vconn
);
489 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", vconn_name
);
492 if (reply
->size
< sizeof *osf
) {
493 ovs_fatal(0, "%s: received too-short features reply (only %zu bytes)",
494 vconn_name
, reply
->size
);
496 n_ports
= (reply
->size
- sizeof *osf
) / sizeof *osf
->ports
;
498 for (port_idx
= 0; port_idx
< n_ports
; port_idx
++) {
499 const struct ofp_phy_port
*opp
= &osf
->ports
[port_idx
];
501 if (port_no
!= UINT_MAX
502 ? htons(port_no
) == opp
->port_no
503 : !strncmp(opp
->name
, port_name
, sizeof opp
->name
)) {
505 ofpbuf_delete(reply
);
510 ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name
, port_name
);
513 /* Returns the port number corresponding to 'port_name' (which may be a port
514 * name or number) within the switch 'vconn_name'. */
516 str_to_port_no(const char *vconn_name
, const char *port_name
)
518 unsigned int port_no
;
520 if (str_to_uint(port_name
, 10, &port_no
)) {
523 struct ofp_phy_port opp
;
525 fetch_ofp_phy_port(vconn_name
, port_name
, &opp
);
526 return ntohs(opp
.port_no
);
531 try_set_flow_format(struct vconn
*vconn
, enum nx_flow_format flow_format
)
533 struct ofpbuf
*sff
, *reply
;
535 sff
= ofputil_make_set_flow_format(flow_format
);
536 run(vconn_transact_noreply(vconn
, sff
, &reply
),
537 "talking to %s", vconn_get_name(vconn
));
539 char *s
= ofp_to_string(reply
->data
, reply
->size
, 2);
540 VLOG_DBG("%s: failed to set flow format %s, controller replied: %s",
541 vconn_get_name(vconn
),
542 ofputil_flow_format_to_string(flow_format
),
545 ofpbuf_delete(reply
);
552 set_flow_format(struct vconn
*vconn
, enum nx_flow_format flow_format
)
554 struct ofpbuf
*sff
= ofputil_make_set_flow_format(flow_format
);
555 transact_noreply(vconn
, sff
);
556 VLOG_DBG("%s: using user-specified flow format %s",
557 vconn_get_name(vconn
),
558 ofputil_flow_format_to_string(flow_format
));
561 static enum nx_flow_format
562 negotiate_highest_flow_format(struct vconn
*vconn
,
563 enum nx_flow_format min_format
)
565 if (preferred_flow_format
!= -1) {
566 if (preferred_flow_format
< min_format
) {
567 ovs_fatal(0, "%s: cannot use requested flow format %s for "
568 "specified flow", vconn_get_name(vconn
),
569 ofputil_flow_format_to_string(min_format
));
572 set_flow_format(vconn
, preferred_flow_format
);
573 return preferred_flow_format
;
575 enum nx_flow_format flow_format
;
577 if (try_set_flow_format(vconn
, NXFF_NXM
)) {
578 flow_format
= NXFF_NXM
;
580 flow_format
= NXFF_OPENFLOW10
;
583 if (flow_format
< min_format
) {
584 ovs_fatal(0, "%s: cannot use switch's most advanced flow format "
585 "%s for specified flow", vconn_get_name(vconn
),
586 ofputil_flow_format_to_string(min_format
));
589 VLOG_DBG("%s: negotiated flow format %s", vconn_get_name(vconn
),
590 ofputil_flow_format_to_string(flow_format
));
596 do_dump_flows__(int argc
, char *argv
[], bool aggregate
)
598 enum nx_flow_format min_flow_format
, flow_format
;
599 struct ofputil_flow_stats_request fsr
;
600 struct ofpbuf
*request
;
603 parse_ofp_flow_stats_request_str(&fsr
, aggregate
, argc
> 2 ? argv
[2] : "");
605 open_vconn(argv
[1], &vconn
);
606 min_flow_format
= ofputil_min_flow_format(&fsr
.match
);
607 if (fsr
.cookie_mask
!= htonll(0)) {
608 min_flow_format
= NXFF_NXM
;
610 flow_format
= negotiate_highest_flow_format(vconn
, min_flow_format
);
611 request
= ofputil_encode_flow_stats_request(&fsr
, flow_format
);
612 dump_stats_transaction(argv
[1], request
);
617 do_dump_flows(int argc
, char *argv
[])
619 return do_dump_flows__(argc
, argv
, false);
623 do_dump_aggregate(int argc
, char *argv
[])
625 return do_dump_flows__(argc
, argv
, true);
629 do_queue_stats(int argc
, char *argv
[])
631 struct ofp_queue_stats_request
*req
;
632 struct ofpbuf
*request
;
634 req
= alloc_stats_request(sizeof *req
, OFPST_QUEUE
, &request
);
636 if (argc
> 2 && argv
[2][0] && strcasecmp(argv
[2], "all")) {
637 req
->port_no
= htons(str_to_port_no(argv
[1], argv
[2]));
639 req
->port_no
= htons(OFPP_ALL
);
641 if (argc
> 3 && argv
[3][0] && strcasecmp(argv
[3], "all")) {
642 req
->queue_id
= htonl(atoi(argv
[3]));
644 req
->queue_id
= htonl(OFPQ_ALL
);
647 memset(req
->pad
, 0, sizeof req
->pad
);
649 dump_stats_transaction(argv
[1], request
);
652 /* Sets up the flow format for a vconn that will be used to modify the flow
653 * table. Returns the flow format used, after possibly adding an OpenFlow
654 * request to 'requests'.
656 * If 'preferred_flow_format' is -1, returns NXFF_OPENFLOW10 without modifying
657 * 'requests', since NXFF_OPENFLOW10 is the default flow format for any
658 * OpenFlow connection.
660 * If 'preferred_flow_format' is a specific format, adds a request to set that
661 * format to 'requests' and returns the format. */
662 static enum nx_flow_format
663 set_initial_format_for_flow_mod(struct list
*requests
)
665 if (preferred_flow_format
< 0) {
666 return NXFF_OPENFLOW10
;
670 sff
= ofputil_make_set_flow_format(preferred_flow_format
);
671 list_push_back(requests
, &sff
->list_node
);
672 return preferred_flow_format
;
676 /* Checks that 'flow_format' is acceptable as a flow format after a flow_mod
677 * operation, given the global 'preferred_flow_format'. */
679 check_final_format_for_flow_mod(enum nx_flow_format flow_format
)
681 if (preferred_flow_format
>= 0 && flow_format
> preferred_flow_format
) {
682 ovs_fatal(0, "flow cannot be expressed in flow format %s "
683 "(flow format %s or better is required)",
684 ofputil_flow_format_to_string(preferred_flow_format
),
685 ofputil_flow_format_to_string(flow_format
));
690 do_flow_mod_file__(int argc OVS_UNUSED
, char *argv
[], uint16_t command
)
692 enum nx_flow_format flow_format
;
693 bool flow_mod_table_id
;
694 struct list requests
;
698 file
= !strcmp(argv
[2], "-") ? stdin
: fopen(argv
[2], "r");
700 ovs_fatal(errno
, "%s: open", argv
[2]);
703 list_init(&requests
);
704 flow_format
= set_initial_format_for_flow_mod(&requests
);
705 flow_mod_table_id
= false;
707 open_vconn(argv
[1], &vconn
);
708 while (parse_ofp_flow_mod_file(&requests
, &flow_format
, &flow_mod_table_id
,
710 check_final_format_for_flow_mod(flow_format
);
711 transact_multiple_noreply(vconn
, &requests
);
721 do_flow_mod__(int argc
, char *argv
[], uint16_t command
)
723 enum nx_flow_format flow_format
;
724 bool flow_mod_table_id
;
725 struct list requests
;
728 if (argc
> 2 && !strcmp(argv
[2], "-")) {
729 do_flow_mod_file__(argc
, argv
, command
);
733 list_init(&requests
);
734 flow_format
= set_initial_format_for_flow_mod(&requests
);
735 flow_mod_table_id
= false;
737 parse_ofp_flow_mod_str(&requests
, &flow_format
, &flow_mod_table_id
,
738 argc
> 2 ? argv
[2] : "", command
, false);
739 check_final_format_for_flow_mod(flow_format
);
741 open_vconn(argv
[1], &vconn
);
742 transact_multiple_noreply(vconn
, &requests
);
747 do_add_flow(int argc
, char *argv
[])
749 do_flow_mod__(argc
, argv
, OFPFC_ADD
);
753 do_add_flows(int argc
, char *argv
[])
755 do_flow_mod_file__(argc
, argv
, OFPFC_ADD
);
759 do_mod_flows(int argc
, char *argv
[])
761 do_flow_mod__(argc
, argv
, strict
? OFPFC_MODIFY_STRICT
: OFPFC_MODIFY
);
765 do_del_flows(int argc
, char *argv
[])
767 do_flow_mod__(argc
, argv
, strict
? OFPFC_DELETE_STRICT
: OFPFC_DELETE
);
771 monitor_vconn(struct vconn
*vconn
)
773 struct unixctl_server
*server
;
774 bool exiting
= false;
777 /* Daemonization will close stderr but we really want to keep it, so make a
779 fd
= dup(STDERR_FILENO
);
782 error
= unixctl_server_create(NULL
, &server
);
784 ovs_fatal(error
, "failed to create unixctl server");
786 unixctl_command_register("exit", "", 0, 0, ofctl_exit
, &exiting
);
787 daemonize_complete();
789 /* Now get stderr back. */
790 dup2(fd
, STDERR_FILENO
);
796 unixctl_server_run(server
);
799 retval
= vconn_recv(vconn
, &b
);
800 if (retval
== EAGAIN
) {
804 run(retval
, "vconn_recv");
805 ofp_print(stderr
, b
->data
, b
->size
, verbosity
+ 2);
814 vconn_run_wait(vconn
);
815 vconn_recv_wait(vconn
);
816 unixctl_server_wait(server
);
822 do_monitor(int argc
, char *argv
[])
826 open_vconn(argv
[1], &vconn
);
828 struct ofp_switch_config config
;
830 fetch_switch_config(vconn
, &config
);
831 config
.miss_send_len
= htons(atoi(argv
[2]));
832 set_switch_config(vconn
, &config
);
834 monitor_vconn(vconn
);
838 do_snoop(int argc OVS_UNUSED
, char *argv
[])
842 open_vconn__(argv
[1], "snoop", &vconn
);
843 monitor_vconn(vconn
);
847 do_dump_ports(int argc
, char *argv
[])
849 struct ofp_port_stats_request
*req
;
850 struct ofpbuf
*request
;
853 req
= alloc_stats_request(sizeof *req
, OFPST_PORT
, &request
);
854 port
= argc
> 2 ? str_to_port_no(argv
[1], argv
[2]) : OFPP_NONE
;
855 req
->port_no
= htons(port
);
856 dump_stats_transaction(argv
[1], request
);
860 do_probe(int argc OVS_UNUSED
, char *argv
[])
862 struct ofpbuf
*request
;
864 struct ofpbuf
*reply
;
866 make_openflow(sizeof(struct ofp_header
), OFPT_ECHO_REQUEST
, &request
);
867 open_vconn(argv
[1], &vconn
);
868 run(vconn_transact(vconn
, request
, &reply
), "talking to %s", argv
[1]);
869 if (reply
->size
!= sizeof(struct ofp_header
)) {
870 ovs_fatal(0, "reply does not match request");
872 ofpbuf_delete(reply
);
877 do_mod_port(int argc OVS_UNUSED
, char *argv
[])
879 struct ofp_port_mod
*opm
;
880 struct ofp_phy_port opp
;
881 struct ofpbuf
*request
;
884 fetch_ofp_phy_port(argv
[1], argv
[2], &opp
);
886 opm
= make_openflow(sizeof(struct ofp_port_mod
), OFPT_PORT_MOD
, &request
);
887 opm
->port_no
= opp
.port_no
;
888 memcpy(opm
->hw_addr
, opp
.hw_addr
, sizeof opm
->hw_addr
);
889 opm
->config
= htonl(0);
890 opm
->mask
= htonl(0);
891 opm
->advertise
= htonl(0);
893 if (!strcasecmp(argv
[3], "up")) {
894 opm
->mask
|= htonl(OFPPC_PORT_DOWN
);
895 } else if (!strcasecmp(argv
[3], "down")) {
896 opm
->mask
|= htonl(OFPPC_PORT_DOWN
);
897 opm
->config
|= htonl(OFPPC_PORT_DOWN
);
898 } else if (!strcasecmp(argv
[3], "flood")) {
899 opm
->mask
|= htonl(OFPPC_NO_FLOOD
);
900 } else if (!strcasecmp(argv
[3], "noflood")) {
901 opm
->mask
|= htonl(OFPPC_NO_FLOOD
);
902 opm
->config
|= htonl(OFPPC_NO_FLOOD
);
903 } else if (!strcasecmp(argv
[3], "forward")) {
904 opm
->mask
|= htonl(OFPPC_NO_FWD
);
905 } else if (!strcasecmp(argv
[3], "noforward")) {
906 opm
->mask
|= htonl(OFPPC_NO_FWD
);
907 opm
->config
|= htonl(OFPPC_NO_FWD
);
909 ovs_fatal(0, "unknown mod-port command '%s'", argv
[3]);
912 open_vconn(argv
[1], &vconn
);
913 transact_noreply(vconn
, request
);
918 do_get_frags(int argc OVS_UNUSED
, char *argv
[])
920 struct ofp_switch_config config
;
923 open_vconn(argv
[1], &vconn
);
924 fetch_switch_config(vconn
, &config
);
925 puts(ofputil_frag_handling_to_string(ntohs(config
.flags
)));
930 do_set_frags(int argc OVS_UNUSED
, char *argv
[])
932 struct ofp_switch_config config
;
933 enum ofp_config_flags mode
;
937 if (!ofputil_frag_handling_from_string(argv
[2], &mode
)) {
938 ovs_fatal(0, "%s: unknown fragment handling mode", argv
[2]);
941 open_vconn(argv
[1], &vconn
);
942 fetch_switch_config(vconn
, &config
);
943 flags
= htons(mode
) | (config
.flags
& htons(~OFPC_FRAG_MASK
));
944 if (flags
!= config
.flags
) {
945 /* Set the configuration. */
946 config
.flags
= flags
;
947 set_switch_config(vconn
, &config
);
949 /* Then retrieve the configuration to see if it really took. OpenFlow
950 * doesn't define error reporting for bad modes, so this is all we can
952 fetch_switch_config(vconn
, &config
);
953 if (flags
!= config
.flags
) {
954 ovs_fatal(0, "%s: setting fragment handling mode failed (this "
955 "switch probably doesn't support mode \"%s\")",
956 argv
[1], ofputil_frag_handling_to_string(mode
));
963 do_ping(int argc
, char *argv
[])
965 size_t max_payload
= 65535 - sizeof(struct ofp_header
);
966 unsigned int payload
;
970 payload
= argc
> 2 ? atoi(argv
[2]) : 64;
971 if (payload
> max_payload
) {
972 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload
);
975 open_vconn(argv
[1], &vconn
);
976 for (i
= 0; i
< 10; i
++) {
977 struct timeval start
, end
;
978 struct ofpbuf
*request
, *reply
;
979 struct ofp_header
*rq_hdr
, *rpy_hdr
;
981 rq_hdr
= make_openflow(sizeof(struct ofp_header
) + payload
,
982 OFPT_ECHO_REQUEST
, &request
);
983 random_bytes(rq_hdr
+ 1, payload
);
985 xgettimeofday(&start
);
986 run(vconn_transact(vconn
, ofpbuf_clone(request
), &reply
), "transact");
989 rpy_hdr
= reply
->data
;
990 if (reply
->size
!= request
->size
991 || memcmp(rpy_hdr
+ 1, rq_hdr
+ 1, payload
)
992 || rpy_hdr
->xid
!= rq_hdr
->xid
993 || rpy_hdr
->type
!= OFPT_ECHO_REPLY
) {
994 printf("Reply does not match request. Request:\n");
995 ofp_print(stdout
, request
, request
->size
, verbosity
+ 2);
997 ofp_print(stdout
, reply
, reply
->size
, verbosity
+ 2);
999 printf("%zu bytes from %s: xid=%08"PRIx32
" time=%.1f ms\n",
1000 reply
->size
- sizeof *rpy_hdr
, argv
[1], ntohl(rpy_hdr
->xid
),
1001 (1000*(double)(end
.tv_sec
- start
.tv_sec
))
1002 + (.001*(end
.tv_usec
- start
.tv_usec
)));
1003 ofpbuf_delete(request
);
1004 ofpbuf_delete(reply
);
1010 do_benchmark(int argc OVS_UNUSED
, char *argv
[])
1012 size_t max_payload
= 65535 - sizeof(struct ofp_header
);
1013 struct timeval start
, end
;
1014 unsigned int payload_size
, message_size
;
1015 struct vconn
*vconn
;
1020 payload_size
= atoi(argv
[2]);
1021 if (payload_size
> max_payload
) {
1022 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload
);
1024 message_size
= sizeof(struct ofp_header
) + payload_size
;
1026 count
= atoi(argv
[3]);
1028 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
1029 count
, message_size
, count
* message_size
);
1031 open_vconn(argv
[1], &vconn
);
1032 xgettimeofday(&start
);
1033 for (i
= 0; i
< count
; i
++) {
1034 struct ofpbuf
*request
, *reply
;
1035 struct ofp_header
*rq_hdr
;
1037 rq_hdr
= make_openflow(message_size
, OFPT_ECHO_REQUEST
, &request
);
1038 memset(rq_hdr
+ 1, 0, payload_size
);
1039 run(vconn_transact(vconn
, request
, &reply
), "transact");
1040 ofpbuf_delete(reply
);
1042 xgettimeofday(&end
);
1045 duration
= ((1000*(double)(end
.tv_sec
- start
.tv_sec
))
1046 + (.001*(end
.tv_usec
- start
.tv_usec
)));
1047 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
1048 duration
, count
/ (duration
/ 1000.0),
1049 count
* message_size
/ (duration
/ 1000.0));
1053 do_help(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
1058 /* replace-flows and diff-flows commands. */
1060 /* A flow table entry, possibly with two different versions. */
1062 struct cls_rule rule
; /* Within a "struct classifier". */
1063 struct fte_version
*versions
[2];
1066 /* One version of a Flow Table Entry. */
1067 struct fte_version
{
1069 uint16_t idle_timeout
;
1070 uint16_t hard_timeout
;
1072 union ofp_action
*actions
;
1076 /* Frees 'version' and the data that it owns. */
1078 fte_version_free(struct fte_version
*version
)
1081 free(version
->actions
);
1086 /* Returns true if 'a' and 'b' are the same, false if they differ.
1088 * Ignores differences in 'flags' because there's no way to retrieve flags from
1089 * an OpenFlow switch. We have to assume that they are the same. */
1091 fte_version_equals(const struct fte_version
*a
, const struct fte_version
*b
)
1093 return (a
->cookie
== b
->cookie
1094 && a
->idle_timeout
== b
->idle_timeout
1095 && a
->hard_timeout
== b
->hard_timeout
1096 && a
->n_actions
== b
->n_actions
1097 && !memcmp(a
->actions
, b
->actions
,
1098 a
->n_actions
* sizeof *a
->actions
));
1101 /* Prints 'version' on stdout. Expects the caller to have printed the rule
1102 * associated with the version. */
1104 fte_version_print(const struct fte_version
*version
)
1108 if (version
->cookie
!= htonll(0)) {
1109 printf(" cookie=0x%"PRIx64
, ntohll(version
->cookie
));
1111 if (version
->idle_timeout
!= OFP_FLOW_PERMANENT
) {
1112 printf(" idle_timeout=%"PRIu16
, version
->idle_timeout
);
1114 if (version
->hard_timeout
!= OFP_FLOW_PERMANENT
) {
1115 printf(" hard_timeout=%"PRIu16
, version
->hard_timeout
);
1119 ofp_print_actions(&s
, version
->actions
, version
->n_actions
);
1120 printf(" %s\n", ds_cstr(&s
));
1125 fte_from_cls_rule(const struct cls_rule
*cls_rule
)
1127 return cls_rule
? CONTAINER_OF(cls_rule
, struct fte
, rule
) : NULL
;
1130 /* Frees 'fte' and its versions. */
1132 fte_free(struct fte
*fte
)
1135 fte_version_free(fte
->versions
[0]);
1136 fte_version_free(fte
->versions
[1]);
1141 /* Frees all of the FTEs within 'cls'. */
1143 fte_free_all(struct classifier
*cls
)
1145 struct cls_cursor cursor
;
1146 struct fte
*fte
, *next
;
1148 cls_cursor_init(&cursor
, cls
, NULL
);
1149 CLS_CURSOR_FOR_EACH_SAFE (fte
, next
, rule
, &cursor
) {
1150 classifier_remove(cls
, &fte
->rule
);
1155 /* Searches 'cls' for an FTE matching 'rule', inserting a new one if
1156 * necessary. Sets 'version' as the version of that rule with the given
1157 * 'index', replacing any existing version, if any.
1159 * Takes ownership of 'version'. */
1161 fte_insert(struct classifier
*cls
, const struct cls_rule
*rule
,
1162 struct fte_version
*version
, int index
)
1164 struct fte
*old
, *fte
;
1166 fte
= xzalloc(sizeof *fte
);
1168 fte
->versions
[index
] = version
;
1170 old
= fte_from_cls_rule(classifier_replace(cls
, &fte
->rule
));
1172 fte_version_free(old
->versions
[index
]);
1173 fte
->versions
[!index
] = old
->versions
[!index
];
1178 /* Reads the flows in 'filename' as flow table entries in 'cls' for the version
1179 * with the specified 'index'. Returns the minimum flow format required to
1180 * represent the flows that were read. */
1181 static enum nx_flow_format
1182 read_flows_from_file(const char *filename
, struct classifier
*cls
, int index
)
1184 enum nx_flow_format min_flow_format
;
1188 file
= !strcmp(filename
, "-") ? stdin
: fopen(filename
, "r");
1190 ovs_fatal(errno
, "%s: open", filename
);
1194 min_flow_format
= NXFF_OPENFLOW10
;
1195 while (!ds_get_preprocessed_line(&s
, file
)) {
1196 struct fte_version
*version
;
1197 struct ofputil_flow_mod fm
;
1198 enum nx_flow_format min_ff
;
1200 parse_ofp_str(&fm
, OFPFC_ADD
, ds_cstr(&s
), true);
1202 version
= xmalloc(sizeof *version
);
1203 version
->cookie
= fm
.cookie
;
1204 version
->idle_timeout
= fm
.idle_timeout
;
1205 version
->hard_timeout
= fm
.hard_timeout
;
1206 version
->flags
= fm
.flags
& (OFPFF_SEND_FLOW_REM
| OFPFF_EMERG
);
1207 version
->actions
= fm
.actions
;
1208 version
->n_actions
= fm
.n_actions
;
1210 min_ff
= ofputil_min_flow_format(&fm
.cr
);
1211 min_flow_format
= MAX(min_flow_format
, min_ff
);
1212 check_final_format_for_flow_mod(min_flow_format
);
1214 fte_insert(cls
, &fm
.cr
, version
, index
);
1218 if (file
!= stdin
) {
1222 return min_flow_format
;
1225 /* Reads the OpenFlow flow table from 'vconn', which has currently active flow
1226 * format 'flow_format', and adds them as flow table entries in 'cls' for the
1227 * version with the specified 'index'. */
1229 read_flows_from_switch(struct vconn
*vconn
, enum nx_flow_format flow_format
,
1230 struct classifier
*cls
, int index
)
1232 struct ofputil_flow_stats_request fsr
;
1233 struct ofpbuf
*request
;
1237 fsr
.aggregate
= false;
1238 cls_rule_init_catchall(&fsr
.match
, 0);
1239 fsr
.out_port
= OFPP_NONE
;
1240 fsr
.table_id
= 0xff;
1241 fsr
.cookie
= fsr
.cookie_mask
= htonll(0);
1242 request
= ofputil_encode_flow_stats_request(&fsr
, flow_format
);
1243 send_xid
= ((struct ofp_header
*) request
->data
)->xid
;
1244 send_openflow_buffer(vconn
, request
);
1249 struct ofpbuf
*reply
;
1251 run(vconn_recv_block(vconn
, &reply
), "OpenFlow packet receive failed");
1252 recv_xid
= ((struct ofp_header
*) reply
->data
)->xid
;
1253 if (send_xid
== recv_xid
) {
1254 const struct ofputil_msg_type
*type
;
1255 const struct ofp_stats_msg
*osm
;
1256 enum ofputil_msg_code code
;
1258 ofputil_decode_msg_type(reply
->data
, &type
);
1259 code
= ofputil_msg_type_code(type
);
1260 if (code
!= OFPUTIL_OFPST_FLOW_REPLY
&&
1261 code
!= OFPUTIL_NXST_FLOW_REPLY
) {
1262 ovs_fatal(0, "received bad reply: %s",
1263 ofp_to_string(reply
->data
, reply
->size
,
1268 if (!(osm
->flags
& htons(OFPSF_REPLY_MORE
))) {
1273 struct fte_version
*version
;
1274 struct ofputil_flow_stats fs
;
1277 retval
= ofputil_decode_flow_stats_reply(&fs
, reply
);
1279 if (retval
!= EOF
) {
1280 ovs_fatal(0, "parse error in reply");
1285 version
= xmalloc(sizeof *version
);
1286 version
->cookie
= fs
.cookie
;
1287 version
->idle_timeout
= fs
.idle_timeout
;
1288 version
->hard_timeout
= fs
.hard_timeout
;
1290 version
->n_actions
= fs
.n_actions
;
1291 version
->actions
= xmemdup(fs
.actions
,
1292 fs
.n_actions
* sizeof *fs
.actions
);
1294 fte_insert(cls
, &fs
.rule
, version
, index
);
1297 VLOG_DBG("received reply with xid %08"PRIx32
" "
1298 "!= expected %08"PRIx32
, recv_xid
, send_xid
);
1300 ofpbuf_delete(reply
);
1305 fte_make_flow_mod(const struct fte
*fte
, int index
, uint16_t command
,
1306 enum nx_flow_format flow_format
, struct list
*packets
)
1308 const struct fte_version
*version
= fte
->versions
[index
];
1309 struct ofputil_flow_mod fm
;
1313 fm
.cookie
= version
->cookie
;
1315 fm
.command
= command
;
1316 fm
.idle_timeout
= version
->idle_timeout
;
1317 fm
.hard_timeout
= version
->hard_timeout
;
1318 fm
.buffer_id
= UINT32_MAX
;
1319 fm
.out_port
= OFPP_NONE
;
1320 fm
.flags
= version
->flags
;
1321 if (command
== OFPFC_ADD
|| command
== OFPFC_MODIFY
||
1322 command
== OFPFC_MODIFY_STRICT
) {
1323 fm
.actions
= version
->actions
;
1324 fm
.n_actions
= version
->n_actions
;
1330 ofm
= ofputil_encode_flow_mod(&fm
, flow_format
, false);
1331 list_push_back(packets
, &ofm
->list_node
);
1335 do_replace_flows(int argc OVS_UNUSED
, char *argv
[])
1337 enum { FILE_IDX
= 0, SWITCH_IDX
= 1 };
1338 enum nx_flow_format min_flow_format
, flow_format
;
1339 struct cls_cursor cursor
;
1340 struct classifier cls
;
1341 struct list requests
;
1342 struct vconn
*vconn
;
1345 classifier_init(&cls
);
1346 min_flow_format
= read_flows_from_file(argv
[2], &cls
, FILE_IDX
);
1348 open_vconn(argv
[1], &vconn
);
1349 flow_format
= negotiate_highest_flow_format(vconn
, min_flow_format
);
1350 read_flows_from_switch(vconn
, flow_format
, &cls
, SWITCH_IDX
);
1352 list_init(&requests
);
1354 /* Delete flows that exist on the switch but not in the file. */
1355 cls_cursor_init(&cursor
, &cls
, NULL
);
1356 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1357 struct fte_version
*file_ver
= fte
->versions
[FILE_IDX
];
1358 struct fte_version
*sw_ver
= fte
->versions
[SWITCH_IDX
];
1360 if (sw_ver
&& !file_ver
) {
1361 fte_make_flow_mod(fte
, SWITCH_IDX
, OFPFC_DELETE_STRICT
,
1362 flow_format
, &requests
);
1366 /* Add flows that exist in the file but not on the switch.
1367 * Update flows that exist in both places but differ. */
1368 cls_cursor_init(&cursor
, &cls
, NULL
);
1369 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1370 struct fte_version
*file_ver
= fte
->versions
[FILE_IDX
];
1371 struct fte_version
*sw_ver
= fte
->versions
[SWITCH_IDX
];
1374 && (readd
|| !sw_ver
|| !fte_version_equals(sw_ver
, file_ver
))) {
1375 fte_make_flow_mod(fte
, FILE_IDX
, OFPFC_ADD
, flow_format
,
1379 transact_multiple_noreply(vconn
, &requests
);
1386 read_flows_from_source(const char *source
, struct classifier
*cls
, int index
)
1390 if (source
[0] == '/' || source
[0] == '.'
1391 || (!strchr(source
, ':') && !stat(source
, &s
))) {
1392 read_flows_from_file(source
, cls
, index
);
1394 enum nx_flow_format flow_format
;
1395 struct vconn
*vconn
;
1397 open_vconn(source
, &vconn
);
1398 flow_format
= negotiate_highest_flow_format(vconn
, NXFF_OPENFLOW10
);
1399 read_flows_from_switch(vconn
, flow_format
, cls
, index
);
1405 do_diff_flows(int argc OVS_UNUSED
, char *argv
[])
1407 bool differences
= false;
1408 struct cls_cursor cursor
;
1409 struct classifier cls
;
1412 classifier_init(&cls
);
1413 read_flows_from_source(argv
[1], &cls
, 0);
1414 read_flows_from_source(argv
[2], &cls
, 1);
1416 cls_cursor_init(&cursor
, &cls
, NULL
);
1417 CLS_CURSOR_FOR_EACH (fte
, rule
, &cursor
) {
1418 struct fte_version
*a
= fte
->versions
[0];
1419 struct fte_version
*b
= fte
->versions
[1];
1421 if (!a
|| !b
|| !fte_version_equals(a
, b
)) {
1422 char *rule_s
= cls_rule_to_string(&fte
->rule
);
1424 printf("-%s", rule_s
);
1425 fte_version_print(a
);
1428 printf("+%s", rule_s
);
1429 fte_version_print(b
);
1444 /* Undocumented commands for unit testing. */
1447 print_packet_list(struct list
*packets
)
1449 struct ofpbuf
*packet
, *next
;
1451 LIST_FOR_EACH_SAFE (packet
, next
, list_node
, packets
) {
1452 ofp_print(stdout
, packet
->data
, packet
->size
, verbosity
);
1453 list_remove(&packet
->list_node
);
1454 ofpbuf_delete(packet
);
1458 /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints
1459 * it back to stdout. */
1461 do_parse_flow(int argc OVS_UNUSED
, char *argv
[])
1463 enum nx_flow_format flow_format
;
1464 bool flow_mod_table_id
;
1465 struct list packets
;
1467 flow_format
= NXFF_OPENFLOW10
;
1468 if (preferred_flow_format
> 0) {
1469 flow_format
= preferred_flow_format
;
1471 flow_mod_table_id
= false;
1473 list_init(&packets
);
1474 parse_ofp_flow_mod_str(&packets
, &flow_format
, &flow_mod_table_id
,
1475 argv
[1], OFPFC_ADD
, false);
1476 print_packet_list(&packets
);
1479 /* "parse-flows FILENAME": reads the named file as a sequence of flows (like
1480 * add-flows) and prints each of the flows back to stdout. */
1482 do_parse_flows(int argc OVS_UNUSED
, char *argv
[])
1484 enum nx_flow_format flow_format
;
1485 bool flow_mod_table_id
;
1486 struct list packets
;
1489 file
= fopen(argv
[1], "r");
1491 ovs_fatal(errno
, "%s: open", argv
[1]);
1494 flow_format
= NXFF_OPENFLOW10
;
1495 if (preferred_flow_format
> 0) {
1496 flow_format
= preferred_flow_format
;
1498 flow_mod_table_id
= false;
1500 list_init(&packets
);
1501 while (parse_ofp_flow_mod_file(&packets
, &flow_format
, &flow_mod_table_id
,
1503 print_packet_list(&packets
);
1508 /* "parse-nx-match": reads a series of nx_match specifications as strings from
1509 * stdin, does some internal fussing with them, and then prints them back as
1510 * strings on stdout. */
1512 do_parse_nx_match(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
1517 while (!ds_get_line(&in
, stdin
)) {
1518 struct ofpbuf nx_match
;
1519 struct cls_rule rule
;
1520 ovs_be64 cookie
, cookie_mask
;
1525 /* Delete comments, skip blank lines. */
1531 if (strchr(s
, '#')) {
1532 *strchr(s
, '#') = '\0';
1534 if (s
[strspn(s
, " ")] == '\0') {
1539 /* Convert string to nx_match. */
1540 ofpbuf_init(&nx_match
, 0);
1541 match_len
= nx_match_from_string(ds_cstr(&in
), &nx_match
);
1543 /* Convert nx_match to cls_rule. */
1545 error
= nx_pull_match(&nx_match
, match_len
, 0, &rule
,
1546 &cookie
, &cookie_mask
);
1548 error
= nx_pull_match_loose(&nx_match
, match_len
, 0, &rule
,
1549 &cookie
, &cookie_mask
);
1555 /* Convert cls_rule back to nx_match. */
1556 ofpbuf_uninit(&nx_match
);
1557 ofpbuf_init(&nx_match
, 0);
1558 match_len
= nx_put_match(&nx_match
, &rule
, cookie
, cookie_mask
);
1560 /* Convert nx_match to string. */
1561 out
= nx_match_to_string(nx_match
.data
, match_len
);
1565 printf("nx_pull_match() returned error %x (%s)\n", error
,
1566 ofputil_error_to_string(error
));
1569 ofpbuf_uninit(&nx_match
);
1574 /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into
1575 * binary data, interpreting them as an OpenFlow message, and prints the
1576 * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */
1578 do_ofp_print(int argc
, char *argv
[])
1580 struct ofpbuf packet
;
1582 ofpbuf_init(&packet
, strlen(argv
[1]) / 2);
1583 if (ofpbuf_put_hex(&packet
, argv
[1], NULL
)[0] != '\0') {
1584 ovs_fatal(0, "trailing garbage following hex bytes");
1586 ofp_print(stdout
, packet
.data
, packet
.size
, argc
> 2 ? atoi(argv
[2]) : 2);
1587 ofpbuf_uninit(&packet
);
1590 static const struct command all_commands
[] = {
1591 { "show", 1, 1, do_show
},
1592 { "monitor", 1, 2, do_monitor
},
1593 { "snoop", 1, 1, do_snoop
},
1594 { "dump-desc", 1, 1, do_dump_desc
},
1595 { "dump-tables", 1, 1, do_dump_tables
},
1596 { "dump-flows", 1, 2, do_dump_flows
},
1597 { "dump-aggregate", 1, 2, do_dump_aggregate
},
1598 { "queue-stats", 1, 3, do_queue_stats
},
1599 { "add-flow", 2, 2, do_add_flow
},
1600 { "add-flows", 2, 2, do_add_flows
},
1601 { "mod-flows", 2, 2, do_mod_flows
},
1602 { "del-flows", 1, 2, do_del_flows
},
1603 { "replace-flows", 2, 2, do_replace_flows
},
1604 { "diff-flows", 2, 2, do_diff_flows
},
1605 { "dump-ports", 1, 2, do_dump_ports
},
1606 { "mod-port", 3, 3, do_mod_port
},
1607 { "get-frags", 1, 1, do_get_frags
},
1608 { "set-frags", 2, 2, do_set_frags
},
1609 { "probe", 1, 1, do_probe
},
1610 { "ping", 1, 2, do_ping
},
1611 { "benchmark", 3, 3, do_benchmark
},
1612 { "help", 0, INT_MAX
, do_help
},
1614 /* Undocumented commands for testing. */
1615 { "parse-flow", 1, 1, do_parse_flow
},
1616 { "parse-flows", 1, 1, do_parse_flows
},
1617 { "parse-nx-match", 0, 0, do_parse_nx_match
},
1618 { "ofp-print", 1, 2, do_ofp_print
},
1620 { NULL
, 0, 0, NULL
},