2 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 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.
22 #include <sys/socket.h>
32 #include "byte-order.h"
33 #include "classifier.h"
34 #include "command-line.h"
38 #include "dynamic-string.h"
39 #include "fatal-signal.h"
42 #include "ofp-actions.h"
43 #include "ofp-errors.h"
45 #include "ofp-parse.h"
46 #include "ofp-print.h"
48 #include "ofp-version-opt.h"
50 #include "ofproto/ofproto.h"
51 #include "openflow/nicira-ext.h"
52 #include "openflow/openflow.h"
54 #include "pcap-file.h"
55 #include "poll-loop.h"
57 #include "stream-ssl.h"
58 #include "socket-util.h"
64 #include "meta-flow.h"
67 VLOG_DEFINE_THIS_MODULE(ofctl);
69 /* --strict: Use strict matching for flow mod commands? Additionally governs
70 * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
74 /* --readd: If true, on replace-flows, re-add even flows that have not changed
75 * (to reset flow counters). */
78 /* -F, --flow-format: Allowed protocols. By default, any protocol is
80 static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY;
82 /* -P, --packet-in-format: Packet IN format to use in monitor and snoop
83 * commands. Either one of NXPIF_* to force a particular packet_in format, or
84 * -1 to let ovs-ofctl choose the default. */
85 static int preferred_packet_in_format = -1;
87 /* -m, --more: Additional verbosity for ofp-print functions. */
90 /* --timestamp: Print a timestamp before each received packet on "monitor" and
92 static bool timestamp;
94 /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop"
96 static char *unixctl_path;
98 /* --sort, --rsort: Sort order. */
99 enum sort_order { SORT_ASC, SORT_DESC };
100 struct sort_criterion {
101 const struct mf_field *field; /* NULL means to sort by priority. */
102 enum sort_order order;
104 static struct sort_criterion *criteria;
105 static size_t n_criteria, allocated_criteria;
107 static const struct command *get_all_commands(void);
109 static void usage(void) NO_RETURN;
110 static void parse_options(int argc, char *argv[]);
112 static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid,
113 struct ofpbuf **replyp,
114 struct ofputil_flow_stats *,
115 struct ofpbuf *ofpacts);
117 main(int argc, char *argv[])
119 set_program_name(argv[0]);
120 service_start(&argc, &argv);
121 parse_options(argc, argv);
122 fatal_ignore_sigpipe();
123 run_command(argc - optind, argv + optind, get_all_commands());
128 add_sort_criterion(enum sort_order order, const char *field)
130 struct sort_criterion *sc;
132 if (n_criteria >= allocated_criteria) {
133 criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria);
136 sc = &criteria[n_criteria++];
137 if (!field || !strcasecmp(field, "priority")) {
140 sc->field = mf_from_name(field);
142 ovs_fatal(0, "%s: unknown field name", field);
149 parse_options(int argc, char *argv[])
152 OPT_STRICT = UCHAR_MAX + 1,
159 OFP_VERSION_OPTION_ENUMS,
162 static const struct option long_options[] = {
163 {"timeout", required_argument, NULL, 't'},
164 {"strict", no_argument, NULL, OPT_STRICT},
165 {"readd", no_argument, NULL, OPT_READD},
166 {"flow-format", required_argument, NULL, 'F'},
167 {"packet-in-format", required_argument, NULL, 'P'},
168 {"more", no_argument, NULL, 'm'},
169 {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
170 {"sort", optional_argument, NULL, OPT_SORT},
171 {"rsort", optional_argument, NULL, OPT_RSORT},
172 {"unixctl", required_argument, NULL, OPT_UNIXCTL},
173 {"help", no_argument, NULL, 'h'},
175 OFP_VERSION_LONG_OPTIONS,
177 STREAM_SSL_LONG_OPTIONS,
180 char *short_options = long_options_to_short_options(long_options);
182 enum ofputil_protocol version_protocols;
184 /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is
185 * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow
186 * requests, but those requests have subtly different semantics in
187 * different OpenFlow versions. For example:
189 * - In OpenFlow 1.0, a "mod-flow" operation that does not find any
190 * existing flow to modify adds a new flow.
192 * - In OpenFlow 1.1, a "mod-flow" operation that does not find any
193 * existing flow to modify adds a new flow, but only if the mod-flow
194 * did not match on the flow cookie.
196 * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a
199 set_allowed_ofp_versions("OpenFlow10");
202 unsigned long int timeout;
205 c = getopt_long(argc, argv, short_options, long_options, NULL);
212 timeout = strtoul(optarg, NULL, 10);
214 ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
222 allowed_protocols = ofputil_protocols_from_string(optarg);
223 if (!allowed_protocols) {
224 ovs_fatal(0, "%s: invalid flow format(s)", optarg);
229 preferred_packet_in_format =
230 ofputil_packet_in_format_from_string(optarg);
231 if (preferred_packet_in_format < 0) {
232 ovs_fatal(0, "unknown packet-in format `%s'", optarg);
256 add_sort_criterion(SORT_ASC, optarg);
260 add_sort_criterion(SORT_DESC, optarg);
264 unixctl_path = optarg;
267 DAEMON_OPTION_HANDLERS
268 OFP_VERSION_OPTION_HANDLERS
270 STREAM_SSL_OPTION_HANDLERS
281 /* Always do a final sort pass based on priority. */
282 add_sort_criterion(SORT_DESC, "priority");
287 versions = get_allowed_ofp_versions();
288 version_protocols = ofputil_protocols_from_version_bitmap(versions);
289 if (!(allowed_protocols & version_protocols)) {
290 char *protocols = ofputil_protocols_to_string(allowed_protocols);
291 struct ds version_s = DS_EMPTY_INITIALIZER;
293 ofputil_format_version_bitmap_names(&version_s, versions);
294 ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports "
295 "any of the enabled flow formats (%s). (Use -O to enable "
296 "additional OpenFlow versions or -F to enable additional "
297 "flow formats.)", ds_cstr(&version_s), protocols);
299 allowed_protocols &= version_protocols;
300 mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap(
307 printf("%s: OpenFlow switch management utility\n"
308 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
309 "\nFor OpenFlow switches:\n"
310 " show SWITCH show OpenFlow information\n"
311 " dump-desc SWITCH print switch description\n"
312 " dump-tables SWITCH print table stats\n"
313 " dump-table-features SWITCH print table features\n"
314 " mod-port SWITCH IFACE ACT modify port behavior\n"
315 " mod-table SWITCH MOD modify flow table behavior\n"
316 " get-frags SWITCH print fragment handling behavior\n"
317 " set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
318 " dump-ports SWITCH [PORT] print port statistics\n"
319 " dump-ports-desc SWITCH [PORT] print port descriptions\n"
320 " dump-flows SWITCH print all flow entries\n"
321 " dump-flows SWITCH FLOW print matching FLOWs\n"
322 " dump-aggregate SWITCH print aggregate flow statistics\n"
323 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
324 " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n"
325 " add-flow SWITCH FLOW add flow described by FLOW\n"
326 " add-flows SWITCH FILE add flows from FILE\n"
327 " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
328 " del-flows SWITCH [FLOW] delete matching FLOWs\n"
329 " replace-flows SWITCH FILE replace flows with those in FILE\n"
330 " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n"
331 " packet-out SWITCH IN_PORT ACTIONS PACKET...\n"
332 " execute ACTIONS on PACKET\n"
333 " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n"
334 " print packets received from SWITCH\n"
335 " snoop SWITCH snoop on SWITCH and its controller\n"
336 " add-group SWITCH GROUP add group described by GROUP\n"
337 " add-group SWITCH FILE add group from FILE\n"
338 " mod-group SWITCH GROUP modify specific group\n"
339 " del-groups SWITCH [GROUP] delete matching GROUPs\n"
340 " dump-group-features SWITCH print group features\n"
341 " dump-groups SWITCH [GROUP] print group description\n"
342 " dump-group-stats SWITCH [GROUP] print group statistics\n"
343 " queue-get-config SWITCH PORT print queue information for port\n"
344 " add-meter SWITCH METER add meter described by METER\n"
345 " mod-meter SWITCH METER modify specific METER\n"
346 " del-meter SWITCH METER delete METER\n"
347 " del-meters SWITCH delete all meters\n"
348 " dump-meter SWITCH METER print METER configuration\n"
349 " dump-meters SWITCH print all meter configuration\n"
350 " meter-stats SWITCH [METER] print meter statistics\n"
351 " meter-features SWITCH print meter features\n"
352 "\nFor OpenFlow switches and controllers:\n"
353 " probe TARGET probe whether TARGET is up\n"
354 " ping TARGET [N] latency of N-byte echos\n"
355 " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n"
356 "SWITCH or TARGET is an active OpenFlow connection method.\n"
357 "\nOther commands:\n"
358 " ofp-parse FILE print messages read from FILE\n"
359 " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n",
360 program_name, program_name);
361 vconn_usage(true, false, false);
365 printf("\nOther options:\n"
366 " --strict use strict match for flow commands\n"
367 " --readd replace flows that haven't changed\n"
368 " -F, --flow-format=FORMAT force particular flow format\n"
369 " -P, --packet-in-format=FRMT force particular packet in format\n"
370 " -m, --more be more verbose printing OpenFlow\n"
371 " --timestamp (monitor, snoop) print timestamps\n"
372 " -t, --timeout=SECS give up after SECS seconds\n"
373 " --sort[=field] sort in ascending order\n"
374 " --rsort[=field] sort in descending order\n"
375 " --unixctl=SOCKET set control socket name\n"
376 " -h, --help display this help message\n"
377 " -V, --version display version information\n");
382 ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
383 const char *argv[] OVS_UNUSED, void *exiting_)
385 bool *exiting = exiting_;
387 unixctl_command_reply(conn, NULL);
390 static void run(int retval, const char *message, ...)
394 run(int retval, const char *message, ...)
399 va_start(args, message);
400 ovs_fatal_valist(retval, message, args);
404 /* Generic commands. */
407 open_vconn_socket(const char *name, struct vconn **vconnp)
409 char *vconn_name = xasprintf("unix:%s", name);
412 error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT,
414 if (error && error != ENOENT) {
415 ovs_fatal(0, "%s: failed to open socket (%s)", name,
416 ovs_strerror(error));
423 enum open_target { MGMT, SNOOP };
425 static enum ofputil_protocol
426 open_vconn__(const char *name, enum open_target target,
427 struct vconn **vconnp)
429 const char *suffix = target == MGMT ? "mgmt" : "snoop";
430 char *datapath_name, *datapath_type, *socket_name;
431 enum ofputil_protocol protocol;
436 bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix);
438 ofproto_parse_name(name, &datapath_name, &datapath_type);
439 socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix);
443 if (strchr(name, ':')) {
444 run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp),
445 "connecting to %s", name);
446 } else if (!open_vconn_socket(name, vconnp)) {
448 } else if (!open_vconn_socket(bridge_path, vconnp)) {
450 } else if (!open_vconn_socket(socket_name, vconnp)) {
453 ovs_fatal(0, "%s is not a bridge or a socket", name);
456 if (target == SNOOP) {
457 vconn_set_recv_any_version(*vconnp);
463 VLOG_DBG("connecting to %s", vconn_get_name(*vconnp));
464 error = vconn_connect_block(*vconnp);
466 ovs_fatal(0, "%s: failed to connect to socket (%s)", name,
467 ovs_strerror(error));
470 ofp_version = vconn_get_version(*vconnp);
471 protocol = ofputil_protocol_from_ofp_version(ofp_version);
473 ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x",
479 static enum ofputil_protocol
480 open_vconn(const char *name, struct vconn **vconnp)
482 return open_vconn__(name, MGMT, vconnp);
486 send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
488 ofpmsg_update_length(buffer);
489 run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
493 dump_transaction(struct vconn *vconn, struct ofpbuf *request)
495 struct ofpbuf *reply;
497 ofpmsg_update_length(request);
498 run(vconn_transact(vconn, request, &reply), "talking to %s",
499 vconn_get_name(vconn));
500 ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
501 ofpbuf_delete(reply);
505 dump_trivial_transaction(const char *vconn_name, enum ofpraw raw)
507 struct ofpbuf *request;
510 open_vconn(vconn_name, &vconn);
511 request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
512 dump_transaction(vconn, request);
517 dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
519 const struct ofp_header *request_oh = ofpbuf_data(request);
520 ovs_be32 send_xid = request_oh->xid;
521 enum ofpraw request_raw;
522 enum ofpraw reply_raw;
525 ofpraw_decode_partial(&request_raw, ofpbuf_data(request), ofpbuf_size(request));
526 reply_raw = ofpraw_stats_request_to_reply(request_raw,
527 request_oh->version);
529 send_openflow_buffer(vconn, request);
532 struct ofpbuf *reply;
534 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
535 recv_xid = ((struct ofp_header *) ofpbuf_data(reply))->xid;
536 if (send_xid == recv_xid) {
539 ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
541 ofpraw_decode(&raw, ofpbuf_data(reply));
542 if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
544 } else if (raw == reply_raw) {
545 done = !ofpmp_more(ofpbuf_data(reply));
547 ovs_fatal(0, "received bad reply: %s",
548 ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
552 VLOG_DBG("received reply with xid %08"PRIx32" "
553 "!= expected %08"PRIx32, recv_xid, send_xid);
555 ofpbuf_delete(reply);
560 dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw)
562 struct ofpbuf *request;
565 open_vconn(vconn_name, &vconn);
566 request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
567 dump_stats_transaction(vconn, request);
571 /* Sends all of the 'requests', which should be requests that only have replies
572 * if an error occurs, and waits for them to succeed or fail. If an error does
573 * occur, prints it and exits with an error.
575 * Destroys all of the 'requests'. */
577 transact_multiple_noreply(struct vconn *vconn, struct list *requests)
579 struct ofpbuf *request, *reply;
581 LIST_FOR_EACH (request, list_node, requests) {
582 ofpmsg_update_length(request);
585 run(vconn_transact_multiple_noreply(vconn, requests, &reply),
586 "talking to %s", vconn_get_name(vconn));
588 ofp_print(stderr, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 2);
591 ofpbuf_delete(reply);
594 /* Sends 'request', which should be a request that only has a reply if an error
595 * occurs, and waits for it to succeed or fail. If an error does occur, prints
596 * it and exits with an error.
598 * Destroys 'request'. */
600 transact_noreply(struct vconn *vconn, struct ofpbuf *request)
602 struct list requests;
604 list_init(&requests);
605 list_push_back(&requests, &request->list_node);
606 transact_multiple_noreply(vconn, &requests);
610 fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
612 struct ofp_switch_config *config;
613 struct ofpbuf *request;
614 struct ofpbuf *reply;
617 request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST,
618 vconn_get_version(vconn), 0);
619 run(vconn_transact(vconn, request, &reply),
620 "talking to %s", vconn_get_name(vconn));
622 if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) {
623 ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
626 config = ofpbuf_pull(reply, sizeof *config);
629 ofpbuf_delete(reply);
633 set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config)
635 struct ofpbuf *request;
637 request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0);
638 ofpbuf_put(request, config, sizeof *config);
640 transact_noreply(vconn, request);
644 ofctl_show(int argc OVS_UNUSED, char *argv[])
646 const char *vconn_name = argv[1];
647 enum ofp_version version;
649 struct ofpbuf *request;
650 struct ofpbuf *reply;
653 open_vconn(vconn_name, &vconn);
654 version = vconn_get_version(vconn);
655 request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0);
656 run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
658 has_ports = ofputil_switch_features_has_ports(reply);
659 ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
660 ofpbuf_delete(reply);
663 request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY);
664 dump_stats_transaction(vconn, request);
666 dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST);
671 ofctl_dump_desc(int argc OVS_UNUSED, char *argv[])
673 dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST);
677 ofctl_dump_tables(int argc OVS_UNUSED, char *argv[])
679 dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST);
683 ofctl_dump_table_features(int argc OVS_UNUSED, char *argv[])
685 struct ofpbuf *request;
688 open_vconn(argv[1], &vconn);
689 request = ofputil_encode_table_features_request(vconn_get_version(vconn));
691 dump_stats_transaction(vconn, request);
697 static bool fetch_port_by_stats(struct vconn *,
698 const char *port_name, ofp_port_t port_no,
699 struct ofputil_phy_port *);
701 /* Uses OFPT_FEATURES_REQUEST to attempt to fetch information about the port
702 * named 'port_name' or numbered 'port_no' into '*pp'. Returns true if
703 * successful, false on failure.
705 * This is only appropriate for OpenFlow 1.0, 1.1, and 1.2, which include a
706 * list of ports in OFPT_FEATURES_REPLY. */
708 fetch_port_by_features(struct vconn *vconn,
709 const char *port_name, ofp_port_t port_no,
710 struct ofputil_phy_port *pp)
712 struct ofputil_switch_features features;
713 const struct ofp_header *oh;
714 struct ofpbuf *request, *reply;
720 /* Fetch the switch's ofp_switch_features. */
721 request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST,
722 vconn_get_version(vconn), 0);
723 run(vconn_transact(vconn, request, &reply),
724 "talking to %s", vconn_get_name(vconn));
726 oh = ofpbuf_data(reply);
727 if (ofptype_decode(&type, ofpbuf_data(reply))
728 || type != OFPTYPE_FEATURES_REPLY) {
729 ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn));
731 if (!ofputil_switch_features_has_ports(reply)) {
732 /* The switch features reply does not contain a complete list of ports.
733 * Probably, there are more ports than will fit into a single 64 kB
734 * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of
736 ofpbuf_delete(reply);
737 return fetch_port_by_stats(vconn, port_name, port_no, pp);
740 error = ofputil_decode_switch_features(oh, &features, &b);
742 ovs_fatal(0, "%s: failed to decode features reply (%s)",
743 vconn_get_name(vconn), ofperr_to_string(error));
746 while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
747 if (port_no != OFPP_NONE
748 ? port_no == pp->port_no
749 : !strcmp(pp->name, port_name)) {
754 ofpbuf_delete(reply);
758 /* Uses a OFPST_PORT_DESC request to attempt to fetch information about the
759 * port named 'port_name' or numbered 'port_no' into '*pp'. Returns true if
760 * successful, false on failure.
762 * This is most appropriate for OpenFlow 1.3 and later. Open vSwitch 1.7 and
763 * later also implements OFPST_PORT_DESC, as an extension, for OpenFlow 1.0,
764 * 1.1, and 1.2, so this can be used as a fallback in those versions when there
765 * are too many ports than fit in an OFPT_FEATURES_REPLY. */
767 fetch_port_by_stats(struct vconn *vconn,
768 const char *port_name, ofp_port_t port_no,
769 struct ofputil_phy_port *pp)
771 struct ofpbuf *request;
776 request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
778 send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
780 send_openflow_buffer(vconn, request);
783 struct ofpbuf *reply;
785 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
786 recv_xid = ((struct ofp_header *) ofpbuf_data(reply))->xid;
787 if (send_xid == recv_xid) {
788 struct ofp_header *oh = ofpbuf_data(reply);
793 ofpbuf_use_const(&b, oh, ntohs(oh->length));
794 if (ofptype_pull(&type, &b)
795 || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
796 ovs_fatal(0, "received bad reply: %s",
797 ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
801 flags = ofpmp_flags(oh);
802 done = !(flags & OFPSF_REPLY_MORE);
805 /* We've already found the port, but we need to drain
806 * the queue of any other replies for this request. */
810 while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
811 if (port_no != OFPP_NONE ? port_no == pp->port_no
812 : !strcmp(pp->name, port_name)) {
818 VLOG_DBG("received reply with xid %08"PRIx32" "
819 "!= expected %08"PRIx32, recv_xid, send_xid);
821 ofpbuf_delete(reply);
828 str_to_ofp(const char *s, ofp_port_t *ofp_port)
833 ret = str_to_uint(s, 10, &port_);
834 *ofp_port = u16_to_ofp(port_);
838 /* Opens a connection to 'vconn_name', fetches the port structure for
839 * 'port_name' (which may be a port name or number), and copies it into
842 fetch_ofputil_phy_port(const char *vconn_name, const char *port_name,
843 struct ofputil_phy_port *pp)
849 /* Try to interpret the argument as a port number. */
850 if (!str_to_ofp(port_name, &port_no)) {
854 /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the
855 * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it
856 * into the OFPST_PORT_DESC reply. Try it the correct way. */
857 open_vconn(vconn_name, &vconn);
858 found = (vconn_get_version(vconn) < OFP13_VERSION
859 ? fetch_port_by_features(vconn, port_name, port_no, pp)
860 : fetch_port_by_stats(vconn, port_name, port_no, pp));
864 ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name);
868 /* Returns the port number corresponding to 'port_name' (which may be a port
869 * name or number) within the switch 'vconn_name'. */
871 str_to_port_no(const char *vconn_name, const char *port_name)
875 if (ofputil_port_from_string(port_name, &port_no)) {
878 struct ofputil_phy_port pp;
880 fetch_ofputil_phy_port(vconn_name, port_name, &pp);
886 try_set_protocol(struct vconn *vconn, enum ofputil_protocol want,
887 enum ofputil_protocol *cur)
890 struct ofpbuf *request, *reply;
891 enum ofputil_protocol next;
893 request = ofputil_encode_set_protocol(*cur, want, &next);
898 run(vconn_transact_noreply(vconn, request, &reply),
899 "talking to %s", vconn_get_name(vconn));
901 char *s = ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply), 2);
902 VLOG_DBG("%s: failed to set protocol, switch replied: %s",
903 vconn_get_name(vconn), s);
905 ofpbuf_delete(reply);
913 static enum ofputil_protocol
914 set_protocol_for_flow_dump(struct vconn *vconn,
915 enum ofputil_protocol cur_protocol,
916 enum ofputil_protocol usable_protocols)
921 for (i = 0; i < ofputil_n_flow_dump_protocols; i++) {
922 enum ofputil_protocol f = ofputil_flow_dump_protocols[i];
923 if (f & usable_protocols & allowed_protocols
924 && try_set_protocol(vconn, f, &cur_protocol)) {
929 usable_s = ofputil_protocols_to_string(usable_protocols);
930 if (usable_protocols & allowed_protocols) {
931 ovs_fatal(0, "switch does not support any of the usable flow "
932 "formats (%s)", usable_s);
934 char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
935 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
936 "allowed flow formats (%s)", usable_s, allowed_s);
940 static struct vconn *
941 prepare_dump_flows(int argc, char *argv[], bool aggregate,
942 struct ofpbuf **requestp)
944 enum ofputil_protocol usable_protocols, protocol;
945 struct ofputil_flow_stats_request fsr;
949 error = parse_ofp_flow_stats_request_str(&fsr, aggregate,
950 argc > 2 ? argv[2] : "",
953 ovs_fatal(0, "%s", error);
956 protocol = open_vconn(argv[1], &vconn);
957 protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
958 *requestp = ofputil_encode_flow_stats_request(&fsr, protocol);
963 ofctl_dump_flows__(int argc, char *argv[], bool aggregate)
965 struct ofpbuf *request;
968 vconn = prepare_dump_flows(argc, argv, aggregate, &request);
969 dump_stats_transaction(vconn, request);
974 compare_flows(const void *afs_, const void *bfs_)
976 const struct ofputil_flow_stats *afs = afs_;
977 const struct ofputil_flow_stats *bfs = bfs_;
978 const struct match *a = &afs->match;
979 const struct match *b = &bfs->match;
980 const struct sort_criterion *sc;
982 for (sc = criteria; sc < &criteria[n_criteria]; sc++) {
983 const struct mf_field *f = sc->field;
987 unsigned int a_pri = afs->priority;
988 unsigned int b_pri = bfs->priority;
989 ret = a_pri < b_pri ? -1 : a_pri > b_pri;
993 ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc);
994 inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc);
996 /* Skip the test for sc->order, so that missing fields always
997 * sort to the end whether we're sorting in ascending or
998 * descending order. */
1001 union mf_value aval, bval;
1003 mf_get_value(f, &a->flow, &aval);
1004 mf_get_value(f, &b->flow, &bval);
1005 ret = memcmp(&aval, &bval, f->n_bytes);
1010 return sc->order == SORT_ASC ? ret : -ret;
1018 ofctl_dump_flows(int argc, char *argv[])
1021 return ofctl_dump_flows__(argc, argv, false);
1023 struct ofputil_flow_stats *fses;
1024 size_t n_fses, allocated_fses;
1025 struct ofpbuf *request;
1026 struct ofpbuf ofpacts;
1027 struct ofpbuf *reply;
1028 struct vconn *vconn;
1033 vconn = prepare_dump_flows(argc, argv, false, &request);
1034 send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
1035 send_openflow_buffer(vconn, request);
1038 n_fses = allocated_fses = 0;
1040 ofpbuf_init(&ofpacts, 0);
1042 struct ofputil_flow_stats *fs;
1044 if (n_fses >= allocated_fses) {
1045 fses = x2nrealloc(fses, &allocated_fses, sizeof *fses);
1049 if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs,
1053 fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len);
1056 ofpbuf_uninit(&ofpacts);
1058 qsort(fses, n_fses, sizeof *fses, compare_flows);
1061 for (i = 0; i < n_fses; i++) {
1063 ofp_print_flow_stats(&s, &fses[i]);
1068 for (i = 0; i < n_fses; i++) {
1069 free(CONST_CAST(struct ofpact *, fses[i].ofpacts));
1078 ofctl_dump_aggregate(int argc, char *argv[])
1080 return ofctl_dump_flows__(argc, argv, true);
1084 ofctl_queue_stats(int argc, char *argv[])
1086 struct ofpbuf *request;
1087 struct vconn *vconn;
1088 struct ofputil_queue_stats_request oqs;
1090 open_vconn(argv[1], &vconn);
1092 if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) {
1093 oqs.port_no = str_to_port_no(argv[1], argv[2]);
1095 oqs.port_no = OFPP_ANY;
1097 if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) {
1098 oqs.queue_id = atoi(argv[3]);
1100 oqs.queue_id = OFPQ_ALL;
1103 request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs);
1104 dump_stats_transaction(vconn, request);
1109 ofctl_queue_get_config(int argc OVS_UNUSED, char *argv[])
1111 const char *vconn_name = argv[1];
1112 const char *port_name = argv[2];
1113 enum ofputil_protocol protocol;
1114 enum ofp_version version;
1115 struct ofpbuf *request;
1116 struct vconn *vconn;
1119 port = str_to_port_no(vconn_name, port_name);
1121 protocol = open_vconn(vconn_name, &vconn);
1122 version = ofputil_protocol_to_ofp_version(protocol);
1123 request = ofputil_encode_queue_get_config_request(version, port);
1124 dump_transaction(vconn, request);
1128 static enum ofputil_protocol
1129 open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp,
1130 enum ofputil_protocol usable_protocols)
1132 enum ofputil_protocol cur_protocol;
1136 if (!(usable_protocols & allowed_protocols)) {
1137 char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
1138 usable_s = ofputil_protocols_to_string(usable_protocols);
1139 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
1140 "allowed flow formats (%s)", usable_s, allowed_s);
1143 /* If the initial flow format is allowed and usable, keep it. */
1144 cur_protocol = open_vconn(remote, vconnp);
1145 if (usable_protocols & allowed_protocols & cur_protocol) {
1146 return cur_protocol;
1149 /* Otherwise try each flow format in turn. */
1150 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
1151 enum ofputil_protocol f = 1 << i;
1153 if (f != cur_protocol
1154 && f & usable_protocols & allowed_protocols
1155 && try_set_protocol(*vconnp, f, &cur_protocol)) {
1160 usable_s = ofputil_protocols_to_string(usable_protocols);
1161 ovs_fatal(0, "switch does not support any of the usable flow "
1162 "formats (%s)", usable_s);
1166 ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms,
1167 size_t n_fms, enum ofputil_protocol usable_protocols)
1169 enum ofputil_protocol protocol;
1170 struct vconn *vconn;
1173 protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
1175 for (i = 0; i < n_fms; i++) {
1176 struct ofputil_flow_mod *fm = &fms[i];
1178 transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol));
1179 free(CONST_CAST(struct ofpact *, fm->ofpacts));
1185 ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
1187 enum ofputil_protocol usable_protocols;
1188 struct ofputil_flow_mod *fms = NULL;
1192 error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms,
1195 ovs_fatal(0, "%s", error);
1197 ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols);
1202 ofctl_flow_mod(int argc, char *argv[], uint16_t command)
1204 if (argc > 2 && !strcmp(argv[2], "-")) {
1205 ofctl_flow_mod_file(argc, argv, command);
1207 struct ofputil_flow_mod fm;
1209 enum ofputil_protocol usable_protocols;
1211 error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command,
1214 ovs_fatal(0, "%s", error);
1216 ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols);
1221 ofctl_add_flow(int argc, char *argv[])
1223 ofctl_flow_mod(argc, argv, OFPFC_ADD);
1227 ofctl_add_flows(int argc, char *argv[])
1229 ofctl_flow_mod_file(argc, argv, OFPFC_ADD);
1233 ofctl_mod_flows(int argc, char *argv[])
1235 ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
1239 ofctl_del_flows(int argc, char *argv[])
1241 ofctl_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE);
1245 set_packet_in_format(struct vconn *vconn,
1246 enum nx_packet_in_format packet_in_format)
1248 struct ofpbuf *spif;
1250 spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
1252 transact_noreply(vconn, spif);
1253 VLOG_DBG("%s: using user-specified packet in format %s",
1254 vconn_get_name(vconn),
1255 ofputil_packet_in_format_to_string(packet_in_format));
1259 monitor_set_invalid_ttl_to_controller(struct vconn *vconn)
1261 struct ofp_switch_config config;
1262 enum ofp_config_flags flags;
1264 fetch_switch_config(vconn, &config);
1265 flags = ntohs(config.flags);
1266 if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
1267 /* Set the invalid ttl config. */
1268 flags |= OFPC_INVALID_TTL_TO_CONTROLLER;
1270 config.flags = htons(flags);
1271 set_switch_config(vconn, &config);
1273 /* Then retrieve the configuration to see if it really took. OpenFlow
1274 * doesn't define error reporting for bad modes, so this is all we can
1276 fetch_switch_config(vconn, &config);
1277 flags = ntohs(config.flags);
1278 if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
1279 ovs_fatal(0, "setting invalid_ttl_to_controller failed (this "
1280 "switch probably doesn't support mode)");
1287 /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The
1288 * caller must free '*msgp'. On success, returns NULL. On failure, returns
1289 * an error message and stores NULL in '*msgp'. */
1291 openflow_from_hex(const char *hex, struct ofpbuf **msgp)
1293 struct ofp_header *oh;
1296 msg = ofpbuf_new(strlen(hex) / 2);
1299 if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') {
1301 return "Trailing garbage in hex data";
1304 if (ofpbuf_size(msg) < sizeof(struct ofp_header)) {
1306 return "Message too short for OpenFlow";
1309 oh = ofpbuf_data(msg);
1310 if (ofpbuf_size(msg) != ntohs(oh->length)) {
1312 return "Message size does not match length in OpenFlow header";
1320 ofctl_send(struct unixctl_conn *conn, int argc,
1321 const char *argv[], void *vconn_)
1323 struct vconn *vconn = vconn_;
1330 for (i = 1; i < argc; i++) {
1331 const char *error_msg;
1335 error_msg = openflow_from_hex(argv[i], &msg);
1337 ds_put_format(&reply, "%s\n", error_msg);
1342 fprintf(stderr, "send: ");
1343 ofp_print(stderr, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
1345 error = vconn_send_block(vconn, msg);
1348 ds_put_format(&reply, "%s\n", ovs_strerror(error));
1351 ds_put_cstr(&reply, "sent\n");
1356 unixctl_command_reply(conn, ds_cstr(&reply));
1358 unixctl_command_reply_error(conn, ds_cstr(&reply));
1363 struct barrier_aux {
1364 struct vconn *vconn; /* OpenFlow connection for sending barrier. */
1365 struct unixctl_conn *conn; /* Connection waiting for barrier response. */
1369 ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED,
1370 const char *argv[] OVS_UNUSED, void *aux_)
1372 struct barrier_aux *aux = aux_;
1377 unixctl_command_reply_error(conn, "already waiting for barrier reply");
1381 msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn));
1382 error = vconn_send_block(aux->vconn, msg);
1385 unixctl_command_reply_error(conn, ovs_strerror(error));
1392 ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED,
1393 const char *argv[], void *aux OVS_UNUSED)
1397 fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666);
1399 unixctl_command_reply_error(conn, ovs_strerror(errno));
1404 dup2(fd, STDERR_FILENO);
1406 unixctl_command_reply(conn, NULL);
1410 ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
1411 const char *argv[] OVS_UNUSED, void *blocked_)
1413 bool *blocked = blocked_;
1417 unixctl_command_reply(conn, NULL);
1419 unixctl_command_reply(conn, "already blocking");
1424 ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
1425 const char *argv[] OVS_UNUSED, void *blocked_)
1427 bool *blocked = blocked_;
1431 unixctl_command_reply(conn, NULL);
1433 unixctl_command_reply(conn, "already unblocked");
1437 /* Prints to stdout all of the messages received on 'vconn'.
1439 * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request
1440 * received on 'vconn'. */
1442 monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests)
1444 struct barrier_aux barrier_aux = { vconn, NULL };
1445 struct unixctl_server *server;
1446 bool exiting = false;
1447 bool blocked = false;
1450 daemon_save_fd(STDERR_FILENO);
1452 error = unixctl_server_create(unixctl_path, &server);
1454 ovs_fatal(error, "failed to create unixctl server");
1456 unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting);
1457 unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX,
1459 unixctl_command_register("ofctl/barrier", "", 0, 0,
1460 ofctl_barrier, &barrier_aux);
1461 unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1,
1462 ofctl_set_output_file, NULL);
1464 unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked);
1465 unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock,
1468 daemonize_complete();
1474 unixctl_server_run(server);
1479 retval = vconn_recv(vconn, &b);
1480 if (retval == EAGAIN) {
1483 run(retval, "vconn_recv");
1486 char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ",
1487 time_wall_msec(), true);
1492 ofptype_decode(&type, ofpbuf_data(b));
1493 ofp_print(stderr, ofpbuf_data(b), ofpbuf_size(b), verbosity + 2);
1496 switch ((int) type) {
1497 case OFPTYPE_BARRIER_REPLY:
1498 if (barrier_aux.conn) {
1499 unixctl_command_reply(barrier_aux.conn, NULL);
1500 barrier_aux.conn = NULL;
1504 case OFPTYPE_ECHO_REQUEST:
1505 if (reply_to_echo_requests) {
1506 struct ofpbuf *reply;
1508 reply = make_echo_reply(ofpbuf_data(b));
1509 retval = vconn_send_block(vconn, reply);
1511 ovs_fatal(retval, "failed to send echo reply");
1524 vconn_run_wait(vconn);
1526 vconn_recv_wait(vconn);
1528 unixctl_server_wait(server);
1532 unixctl_server_destroy(server);
1536 ofctl_monitor(int argc, char *argv[])
1538 struct vconn *vconn;
1540 enum ofputil_protocol usable_protocols;
1542 open_vconn(argv[1], &vconn);
1543 for (i = 2; i < argc; i++) {
1544 const char *arg = argv[i];
1546 if (isdigit((unsigned char) *arg)) {
1547 struct ofp_switch_config config;
1549 fetch_switch_config(vconn, &config);
1550 config.miss_send_len = htons(atoi(arg));
1551 set_switch_config(vconn, &config);
1552 } else if (!strcmp(arg, "invalid_ttl")) {
1553 monitor_set_invalid_ttl_to_controller(vconn);
1554 } else if (!strncmp(arg, "watch:", 6)) {
1555 struct ofputil_flow_monitor_request fmr;
1559 error = parse_flow_monitor_request(&fmr, arg + 6,
1562 ovs_fatal(0, "%s", error);
1565 msg = ofpbuf_new(0);
1566 ofputil_append_flow_monitor_request(&fmr, msg);
1567 dump_stats_transaction(vconn, msg);
1570 ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg);
1574 if (preferred_packet_in_format >= 0) {
1575 set_packet_in_format(vconn, preferred_packet_in_format);
1577 enum ofp_version version = vconn_get_version(vconn);
1580 case OFP10_VERSION: {
1581 struct ofpbuf *spif, *reply;
1583 spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
1585 run(vconn_transact_noreply(vconn, spif, &reply),
1586 "talking to %s", vconn_get_name(vconn));
1588 char *s = ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply), 2);
1589 VLOG_DBG("%s: failed to set packet in format to nxm, controller"
1590 " replied: %s. Falling back to the switch default.",
1591 vconn_get_name(vconn), s);
1593 ofpbuf_delete(reply);
1608 monitor_vconn(vconn, true);
1612 ofctl_snoop(int argc OVS_UNUSED, char *argv[])
1614 struct vconn *vconn;
1616 open_vconn__(argv[1], SNOOP, &vconn);
1617 monitor_vconn(vconn, false);
1621 ofctl_dump_ports(int argc, char *argv[])
1623 struct ofpbuf *request;
1624 struct vconn *vconn;
1627 open_vconn(argv[1], &vconn);
1628 port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY;
1629 request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port);
1630 dump_stats_transaction(vconn, request);
1635 ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[])
1637 struct ofpbuf *request;
1638 struct vconn *vconn;
1641 open_vconn(argv[1], &vconn);
1642 port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY;
1643 request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
1645 dump_stats_transaction(vconn, request);
1650 ofctl_probe(int argc OVS_UNUSED, char *argv[])
1652 struct ofpbuf *request;
1653 struct vconn *vconn;
1654 struct ofpbuf *reply;
1656 open_vconn(argv[1], &vconn);
1657 request = make_echo_request(vconn_get_version(vconn));
1658 run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
1659 if (ofpbuf_size(reply) != sizeof(struct ofp_header)) {
1660 ovs_fatal(0, "reply does not match request");
1662 ofpbuf_delete(reply);
1667 ofctl_packet_out(int argc, char *argv[])
1669 enum ofputil_protocol protocol;
1670 struct ofputil_packet_out po;
1671 struct ofpbuf ofpacts;
1672 struct vconn *vconn;
1675 enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
1677 ofpbuf_init(&ofpacts, 64);
1678 error = parse_ofpacts(argv[3], &ofpacts, &usable_protocols);
1680 ovs_fatal(0, "%s", error);
1683 po.buffer_id = UINT32_MAX;
1684 po.in_port = str_to_port_no(argv[1], argv[2]);
1685 po.ofpacts = ofpbuf_data(&ofpacts);
1686 po.ofpacts_len = ofpbuf_size(&ofpacts);
1688 protocol = open_vconn(argv[1], &vconn);
1689 for (i = 4; i < argc; i++) {
1690 struct ofpbuf *packet, *opo;
1691 const char *error_msg;
1693 error_msg = eth_from_hex(argv[i], &packet);
1695 ovs_fatal(0, "%s", error_msg);
1698 po.packet = ofpbuf_data(packet);
1699 po.packet_len = ofpbuf_size(packet);
1700 opo = ofputil_encode_packet_out(&po, protocol);
1701 transact_noreply(vconn, opo);
1702 ofpbuf_delete(packet);
1705 ofpbuf_uninit(&ofpacts);
1709 ofctl_mod_port(int argc OVS_UNUSED, char *argv[])
1711 struct ofp_config_flag {
1712 const char *name; /* The flag's name. */
1713 enum ofputil_port_config bit; /* Bit to turn on or off. */
1714 bool on; /* Value to set the bit to. */
1716 static const struct ofp_config_flag flags[] = {
1717 { "up", OFPUTIL_PC_PORT_DOWN, false },
1718 { "down", OFPUTIL_PC_PORT_DOWN, true },
1719 { "stp", OFPUTIL_PC_NO_STP, false },
1720 { "receive", OFPUTIL_PC_NO_RECV, false },
1721 { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false },
1722 { "flood", OFPUTIL_PC_NO_FLOOD, false },
1723 { "forward", OFPUTIL_PC_NO_FWD, false },
1724 { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false },
1727 const struct ofp_config_flag *flag;
1728 enum ofputil_protocol protocol;
1729 struct ofputil_port_mod pm;
1730 struct ofputil_phy_port pp;
1731 struct vconn *vconn;
1732 const char *command;
1735 fetch_ofputil_phy_port(argv[1], argv[2], &pp);
1737 pm.port_no = pp.port_no;
1738 memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN);
1743 if (!strncasecmp(argv[3], "no-", 3)) {
1744 command = argv[3] + 3;
1746 } else if (!strncasecmp(argv[3], "no", 2)) {
1747 command = argv[3] + 2;
1753 for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) {
1754 if (!strcasecmp(command, flag->name)) {
1755 pm.mask = flag->bit;
1756 pm.config = flag->on ^ not ? flag->bit : 0;
1760 ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
1763 protocol = open_vconn(argv[1], &vconn);
1764 transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
1769 ofctl_mod_table(int argc OVS_UNUSED, char *argv[])
1771 enum ofputil_protocol protocol, usable_protocols;
1772 struct ofputil_table_mod tm;
1773 struct vconn *vconn;
1777 error = parse_ofp_table_mod(&tm, argv[2], argv[3], &usable_protocols);
1779 ovs_fatal(0, "%s", error);
1782 protocol = open_vconn(argv[1], &vconn);
1783 if (!(protocol & usable_protocols)) {
1784 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
1785 enum ofputil_protocol f = 1 << i;
1787 && f & usable_protocols
1788 && try_set_protocol(vconn, f, &protocol)) {
1795 if (!(protocol & usable_protocols)) {
1796 char *usable_s = ofputil_protocols_to_string(usable_protocols);
1797 ovs_fatal(0, "Switch does not support table mod message(%s)", usable_s);
1800 transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol));
1805 ofctl_get_frags(int argc OVS_UNUSED, char *argv[])
1807 struct ofp_switch_config config;
1808 struct vconn *vconn;
1810 open_vconn(argv[1], &vconn);
1811 fetch_switch_config(vconn, &config);
1812 puts(ofputil_frag_handling_to_string(ntohs(config.flags)));
1817 ofctl_set_frags(int argc OVS_UNUSED, char *argv[])
1819 struct ofp_switch_config config;
1820 enum ofp_config_flags mode;
1821 struct vconn *vconn;
1824 if (!ofputil_frag_handling_from_string(argv[2], &mode)) {
1825 ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]);
1828 open_vconn(argv[1], &vconn);
1829 fetch_switch_config(vconn, &config);
1830 flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK));
1831 if (flags != config.flags) {
1832 /* Set the configuration. */
1833 config.flags = flags;
1834 set_switch_config(vconn, &config);
1836 /* Then retrieve the configuration to see if it really took. OpenFlow
1837 * doesn't define error reporting for bad modes, so this is all we can
1839 fetch_switch_config(vconn, &config);
1840 if (flags != config.flags) {
1841 ovs_fatal(0, "%s: setting fragment handling mode failed (this "
1842 "switch probably doesn't support mode \"%s\")",
1843 argv[1], ofputil_frag_handling_to_string(mode));
1850 ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
1852 const char *filename = argv[1];
1856 file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
1858 ovs_fatal(errno, "%s: open", filename);
1861 ofpbuf_init(&b, 65536);
1863 struct ofp_header *oh;
1864 size_t length, tail_len;
1869 oh = ofpbuf_put_uninit(&b, sizeof *oh);
1870 n = fread(oh, 1, sizeof *oh, file);
1873 } else if (n < sizeof *oh) {
1874 ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
1877 length = ntohs(oh->length);
1878 if (length < sizeof *oh) {
1879 ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow",
1883 tail_len = length - sizeof *oh;
1884 tail = ofpbuf_put_uninit(&b, tail_len);
1885 n = fread(tail, 1, tail_len, file);
1887 ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
1890 ofp_print(stdout, ofpbuf_data(&b), ofpbuf_size(&b), verbosity + 2);
1894 if (file != stdin) {
1900 is_openflow_port(ovs_be16 port_, char *ports[])
1902 uint16_t port = ntohs(port_);
1906 for (i = 0; ports[i]; i++) {
1907 if (port == atoi(ports[i])) {
1913 return port == OFP_PORT || port == OFP_OLD_PORT;
1918 ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
1920 struct tcp_reader *reader;
1925 file = ovs_pcap_open(argv[1], "rb");
1927 ovs_fatal(errno, "%s: open failed", argv[1]);
1930 reader = tcp_reader_open();
1933 struct ofpbuf *packet;
1936 const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
1938 error = ovs_pcap_read(file, &packet, &when);
1942 flow_extract(packet, &md, &flow);
1943 if (flow.dl_type == htons(ETH_TYPE_IP)
1944 && flow.nw_proto == IPPROTO_TCP
1945 && (is_openflow_port(flow.tp_src, argv + 2) ||
1946 is_openflow_port(flow.tp_dst, argv + 2))) {
1947 struct ofpbuf *payload = tcp_reader_run(reader, &flow, packet);
1949 while (ofpbuf_size(payload) >= sizeof(struct ofp_header)) {
1950 const struct ofp_header *oh;
1951 void *data = ofpbuf_data(payload);
1954 /* Align OpenFlow on 8-byte boundary for safe access. */
1955 ofpbuf_shift(payload, -((intptr_t) data & 7));
1957 oh = ofpbuf_data(payload);
1958 length = ntohs(oh->length);
1959 if (ofpbuf_size(payload) < length) {
1969 char *s = xastrftime_msec("%H:%M:%S.### ", when, true);
1974 printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n",
1975 IP_ARGS(flow.nw_src), ntohs(flow.tp_src),
1976 IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst));
1977 ofp_print(stdout, ofpbuf_data(payload), length, verbosity + 1);
1978 ofpbuf_pull(payload, length);
1982 ofpbuf_delete(packet);
1984 tcp_reader_close(reader);
1988 ofctl_ping(int argc, char *argv[])
1990 size_t max_payload = 65535 - sizeof(struct ofp_header);
1991 unsigned int payload;
1992 struct vconn *vconn;
1995 payload = argc > 2 ? atoi(argv[2]) : 64;
1996 if (payload > max_payload) {
1997 ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
2000 open_vconn(argv[1], &vconn);
2001 for (i = 0; i < 10; i++) {
2002 struct timeval start, end;
2003 struct ofpbuf *request, *reply;
2004 const struct ofp_header *rpy_hdr;
2007 request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
2008 vconn_get_version(vconn), payload);
2009 random_bytes(ofpbuf_put_uninit(request, payload), payload);
2011 xgettimeofday(&start);
2012 run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
2013 xgettimeofday(&end);
2015 rpy_hdr = ofpbuf_data(reply);
2016 if (ofptype_pull(&type, reply)
2017 || type != OFPTYPE_ECHO_REPLY
2018 || ofpbuf_size(reply) != payload
2019 || memcmp(ofpbuf_l3(request), ofpbuf_l3(reply), payload)) {
2020 printf("Reply does not match request. Request:\n");
2021 ofp_print(stdout, request, ofpbuf_size(request), verbosity + 2);
2023 ofp_print(stdout, reply, ofpbuf_size(reply), verbosity + 2);
2025 printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
2026 ofpbuf_size(reply), argv[1], ntohl(rpy_hdr->xid),
2027 (1000*(double)(end.tv_sec - start.tv_sec))
2028 + (.001*(end.tv_usec - start.tv_usec)));
2029 ofpbuf_delete(request);
2030 ofpbuf_delete(reply);
2036 ofctl_benchmark(int argc OVS_UNUSED, char *argv[])
2038 size_t max_payload = 65535 - sizeof(struct ofp_header);
2039 struct timeval start, end;
2040 unsigned int payload_size, message_size;
2041 struct vconn *vconn;
2046 payload_size = atoi(argv[2]);
2047 if (payload_size > max_payload) {
2048 ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
2050 message_size = sizeof(struct ofp_header) + payload_size;
2052 count = atoi(argv[3]);
2054 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
2055 count, message_size, count * message_size);
2057 open_vconn(argv[1], &vconn);
2058 xgettimeofday(&start);
2059 for (i = 0; i < count; i++) {
2060 struct ofpbuf *request, *reply;
2062 request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
2063 vconn_get_version(vconn), payload_size);
2064 ofpbuf_put_zeros(request, payload_size);
2065 run(vconn_transact(vconn, request, &reply), "transact");
2066 ofpbuf_delete(reply);
2068 xgettimeofday(&end);
2071 duration = ((1000*(double)(end.tv_sec - start.tv_sec))
2072 + (.001*(end.tv_usec - start.tv_usec)));
2073 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
2074 duration, count / (duration / 1000.0),
2075 count * message_size / (duration / 1000.0));
2079 ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms,
2082 struct ofputil_group_mod *gm;
2083 struct ofpbuf *request;
2085 struct vconn *vconn;
2088 open_vconn(remote, &vconn);
2090 for (i = 0; i < n_gms; i++) {
2092 request = ofputil_encode_group_mod(vconn_get_version(vconn), gm);
2094 transact_noreply(vconn, request);
2104 ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
2106 struct ofputil_group_mod *gms = NULL;
2107 enum ofputil_protocol usable_protocols;
2111 error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms,
2114 ovs_fatal(0, "%s", error);
2116 ofctl_group_mod__(argv[1], gms, n_gms);
2121 ofctl_group_mod(int argc, char *argv[], uint16_t command)
2123 if (argc > 2 && !strcmp(argv[2], "-")) {
2124 ofctl_group_mod_file(argc, argv, command);
2126 enum ofputil_protocol usable_protocols;
2127 struct ofputil_group_mod gm;
2130 error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "",
2133 ovs_fatal(0, "%s", error);
2135 ofctl_group_mod__(argv[1], &gm, 1);
2140 ofctl_add_group(int argc, char *argv[])
2142 ofctl_group_mod(argc, argv, OFPGC11_ADD);
2146 ofctl_add_groups(int argc, char *argv[])
2148 ofctl_group_mod_file(argc, argv, OFPGC11_ADD);
2152 ofctl_mod_group(int argc, char *argv[])
2154 ofctl_group_mod(argc, argv, OFPGC11_MODIFY);
2158 ofctl_del_groups(int argc, char *argv[])
2160 ofctl_group_mod(argc, argv, OFPGC11_DELETE);
2164 ofctl_dump_group_stats(int argc, char *argv[])
2166 enum ofputil_protocol usable_protocols;
2167 struct ofputil_group_mod gm;
2168 struct ofpbuf *request;
2169 struct vconn *vconn;
2173 memset(&gm, 0, sizeof gm);
2175 error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE,
2176 argc > 2 ? argv[2] : "",
2179 ovs_fatal(0, "%s", error);
2182 group_id = gm.group_id;
2184 open_vconn(argv[1], &vconn);
2185 request = ofputil_encode_group_stats_request(vconn_get_version(vconn),
2188 dump_stats_transaction(vconn, request);
2195 ofctl_dump_group_desc(int argc OVS_UNUSED, char *argv[])
2197 struct ofpbuf *request;
2198 struct vconn *vconn;
2201 open_vconn(argv[1], &vconn);
2203 if (argc < 3 || !ofputil_group_from_string(argv[2], &group_id)) {
2204 group_id = OFPG11_ALL;
2207 request = ofputil_encode_group_desc_request(vconn_get_version(vconn),
2210 dump_stats_transaction(vconn, request);
2217 ofctl_dump_group_features(int argc OVS_UNUSED, char *argv[])
2219 struct ofpbuf *request;
2220 struct vconn *vconn;
2222 open_vconn(argv[1], &vconn);
2223 request = ofputil_encode_group_features_request(vconn_get_version(vconn));
2225 dump_stats_transaction(vconn, request);
2232 ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
2237 /* replace-flows and diff-flows commands. */
2239 /* A flow table entry, possibly with two different versions. */
2241 struct cls_rule rule; /* Within a "struct classifier". */
2242 struct fte_version *versions[2];
2245 /* One version of a Flow Table Entry. */
2246 struct fte_version {
2248 uint16_t idle_timeout;
2249 uint16_t hard_timeout;
2251 struct ofpact *ofpacts;
2255 /* Frees 'version' and the data that it owns. */
2257 fte_version_free(struct fte_version *version)
2260 free(CONST_CAST(struct ofpact *, version->ofpacts));
2265 /* Returns true if 'a' and 'b' are the same, false if they differ.
2267 * Ignores differences in 'flags' because there's no way to retrieve flags from
2268 * an OpenFlow switch. We have to assume that they are the same. */
2270 fte_version_equals(const struct fte_version *a, const struct fte_version *b)
2272 return (a->cookie == b->cookie
2273 && a->idle_timeout == b->idle_timeout
2274 && a->hard_timeout == b->hard_timeout
2275 && ofpacts_equal(a->ofpacts, a->ofpacts_len,
2276 b->ofpacts, b->ofpacts_len));
2279 /* Clears 's', then if 's' has a version 'index', formats 'fte' and version
2280 * 'index' into 's', followed by a new-line. */
2282 fte_version_format(const struct fte *fte, int index, struct ds *s)
2284 const struct fte_version *version = fte->versions[index];
2291 cls_rule_format(&fte->rule, s);
2292 if (version->cookie != htonll(0)) {
2293 ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie));
2295 if (version->idle_timeout != OFP_FLOW_PERMANENT) {
2296 ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout);
2298 if (version->hard_timeout != OFP_FLOW_PERMANENT) {
2299 ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout);
2302 ds_put_cstr(s, " actions=");
2303 ofpacts_format(version->ofpacts, version->ofpacts_len, s);
2305 ds_put_char(s, '\n');
2309 fte_from_cls_rule(const struct cls_rule *cls_rule)
2311 return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL;
2314 /* Frees 'fte' and its versions. */
2316 fte_free(struct fte *fte)
2319 fte_version_free(fte->versions[0]);
2320 fte_version_free(fte->versions[1]);
2321 cls_rule_destroy(&fte->rule);
2326 /* Frees all of the FTEs within 'cls'. */
2328 fte_free_all(struct classifier *cls)
2332 CLS_FOR_EACH_SAFE (fte, rule, cls) {
2333 classifier_remove(cls, &fte->rule);
2336 classifier_destroy(cls);
2339 /* Searches 'cls' for an FTE matching 'rule', inserting a new one if
2340 * necessary. Sets 'version' as the version of that rule with the given
2341 * 'index', replacing any existing version, if any.
2343 * Takes ownership of 'version'. */
2345 fte_insert(struct classifier *cls, const struct match *match,
2346 unsigned int priority, struct fte_version *version, int index)
2348 struct fte *old, *fte;
2350 fte = xzalloc(sizeof *fte);
2351 cls_rule_init(&fte->rule, match, priority);
2352 fte->versions[index] = version;
2354 old = fte_from_cls_rule(classifier_replace(cls, &fte->rule));
2356 fte_version_free(old->versions[index]);
2357 fte->versions[!index] = old->versions[!index];
2358 cls_rule_destroy(&old->rule);
2363 /* Reads the flows in 'filename' as flow table entries in 'cls' for the version
2364 * with the specified 'index'. Returns the flow formats able to represent the
2365 * flows that were read. */
2366 static enum ofputil_protocol
2367 read_flows_from_file(const char *filename, struct classifier *cls, int index)
2369 enum ofputil_protocol usable_protocols;
2374 file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
2376 ovs_fatal(errno, "%s: open", filename);
2380 usable_protocols = OFPUTIL_P_ANY;
2382 while (!ds_get_preprocessed_line(&s, file, &line_number)) {
2383 struct fte_version *version;
2384 struct ofputil_flow_mod fm;
2386 enum ofputil_protocol usable;
2388 error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable);
2390 ovs_fatal(0, "%s:%d: %s", filename, line_number, error);
2392 usable_protocols &= usable;
2394 version = xmalloc(sizeof *version);
2395 version->cookie = fm.new_cookie;
2396 version->idle_timeout = fm.idle_timeout;
2397 version->hard_timeout = fm.hard_timeout;
2398 version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM
2399 | OFPUTIL_FF_EMERG);
2400 version->ofpacts = fm.ofpacts;
2401 version->ofpacts_len = fm.ofpacts_len;
2403 fte_insert(cls, &fm.match, fm.priority, version, index);
2407 if (file != stdin) {
2411 return usable_protocols;
2415 recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
2416 struct ofpbuf **replyp,
2417 struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts)
2419 struct ofpbuf *reply = *replyp;
2425 /* Get a flow stats reply message, if we don't already have one. */
2431 run(vconn_recv_block(vconn, &reply),
2432 "OpenFlow packet receive failed");
2433 } while (((struct ofp_header *) ofpbuf_data(reply))->xid != send_xid);
2435 error = ofptype_decode(&type, ofpbuf_data(reply));
2436 if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
2437 ovs_fatal(0, "received bad reply: %s",
2438 ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
2443 /* Pull an individual flow stats reply out of the message. */
2444 retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts);
2451 more = ofpmp_more(reply->frame);
2452 ofpbuf_delete(reply);
2461 ovs_fatal(0, "parse error in reply (%s)",
2462 ofperr_to_string(retval));
2467 /* Reads the OpenFlow flow table from 'vconn', which has currently active flow
2468 * format 'protocol', and adds them as flow table entries in 'cls' for the
2469 * version with the specified 'index'. */
2471 read_flows_from_switch(struct vconn *vconn,
2472 enum ofputil_protocol protocol,
2473 struct classifier *cls, int index)
2475 struct ofputil_flow_stats_request fsr;
2476 struct ofputil_flow_stats fs;
2477 struct ofpbuf *request;
2478 struct ofpbuf ofpacts;
2479 struct ofpbuf *reply;
2482 fsr.aggregate = false;
2483 match_init_catchall(&fsr.match);
2484 fsr.out_port = OFPP_ANY;
2485 fsr.table_id = 0xff;
2486 fsr.cookie = fsr.cookie_mask = htonll(0);
2487 request = ofputil_encode_flow_stats_request(&fsr, protocol);
2488 send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
2489 send_openflow_buffer(vconn, request);
2492 ofpbuf_init(&ofpacts, 0);
2493 while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) {
2494 struct fte_version *version;
2496 version = xmalloc(sizeof *version);
2497 version->cookie = fs.cookie;
2498 version->idle_timeout = fs.idle_timeout;
2499 version->hard_timeout = fs.hard_timeout;
2501 version->ofpacts_len = fs.ofpacts_len;
2502 version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len);
2504 fte_insert(cls, &fs.match, fs.priority, version, index);
2506 ofpbuf_uninit(&ofpacts);
2510 fte_make_flow_mod(const struct fte *fte, int index, uint16_t command,
2511 enum ofputil_protocol protocol, struct list *packets)
2513 const struct fte_version *version = fte->versions[index];
2514 struct ofputil_flow_mod fm;
2517 minimatch_expand(&fte->rule.match, &fm.match);
2518 fm.priority = fte->rule.priority;
2519 fm.cookie = htonll(0);
2520 fm.cookie_mask = htonll(0);
2521 fm.new_cookie = version->cookie;
2522 fm.modify_cookie = true;
2524 fm.command = command;
2525 fm.idle_timeout = version->idle_timeout;
2526 fm.hard_timeout = version->hard_timeout;
2527 fm.buffer_id = UINT32_MAX;
2528 fm.out_port = OFPP_ANY;
2529 fm.flags = version->flags;
2530 if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
2531 command == OFPFC_MODIFY_STRICT) {
2532 fm.ofpacts = version->ofpacts;
2533 fm.ofpacts_len = version->ofpacts_len;
2538 fm.delete_reason = OFPRR_DELETE;
2540 ofm = ofputil_encode_flow_mod(&fm, protocol);
2541 list_push_back(packets, &ofm->list_node);
2545 ofctl_replace_flows(int argc OVS_UNUSED, char *argv[])
2547 enum { FILE_IDX = 0, SWITCH_IDX = 1 };
2548 enum ofputil_protocol usable_protocols, protocol;
2549 struct classifier cls;
2550 struct list requests;
2551 struct vconn *vconn;
2554 classifier_init(&cls, NULL);
2555 usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX);
2557 protocol = open_vconn(argv[1], &vconn);
2558 protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
2560 read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX);
2562 list_init(&requests);
2564 /* Delete flows that exist on the switch but not in the file. */
2565 CLS_FOR_EACH (fte, rule, &cls) {
2566 struct fte_version *file_ver = fte->versions[FILE_IDX];
2567 struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
2569 if (sw_ver && !file_ver) {
2570 fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT,
2571 protocol, &requests);
2575 /* Add flows that exist in the file but not on the switch.
2576 * Update flows that exist in both places but differ. */
2577 CLS_FOR_EACH (fte, rule, &cls) {
2578 struct fte_version *file_ver = fte->versions[FILE_IDX];
2579 struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
2582 && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
2583 fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests);
2586 transact_multiple_noreply(vconn, &requests);
2593 read_flows_from_source(const char *source, struct classifier *cls, int index)
2597 if (source[0] == '/' || source[0] == '.'
2598 || (!strchr(source, ':') && !stat(source, &s))) {
2599 read_flows_from_file(source, cls, index);
2601 enum ofputil_protocol protocol;
2602 struct vconn *vconn;
2604 protocol = open_vconn(source, &vconn);
2605 protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY);
2606 read_flows_from_switch(vconn, protocol, cls, index);
2612 ofctl_diff_flows(int argc OVS_UNUSED, char *argv[])
2614 bool differences = false;
2615 struct classifier cls;
2619 classifier_init(&cls, NULL);
2620 read_flows_from_source(argv[1], &cls, 0);
2621 read_flows_from_source(argv[2], &cls, 1);
2626 CLS_FOR_EACH (fte, rule, &cls) {
2627 struct fte_version *a = fte->versions[0];
2628 struct fte_version *b = fte->versions[1];
2630 if (!a || !b || !fte_version_equals(a, b)) {
2631 fte_version_format(fte, 0, &a_s);
2632 fte_version_format(fte, 1, &b_s);
2633 if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) {
2635 printf("-%s", ds_cstr(&a_s));
2638 printf("+%s", ds_cstr(&b_s));
2656 ofctl_meter_mod__(const char *bridge, const char *str, int command)
2658 struct ofputil_meter_mod mm;
2659 struct vconn *vconn;
2660 enum ofputil_protocol protocol;
2661 enum ofputil_protocol usable_protocols;
2662 enum ofp_version version;
2666 error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols);
2668 ovs_fatal(0, "%s", error);
2671 usable_protocols = OFPUTIL_P_OF13_UP;
2672 mm.command = command;
2673 mm.meter.meter_id = OFPM13_ALL;
2676 protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
2677 version = ofputil_protocol_to_ofp_version(protocol);
2678 transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm));
2683 ofctl_meter_request__(const char *bridge, const char *str,
2684 enum ofputil_meter_request_type type)
2686 struct ofputil_meter_mod mm;
2687 struct vconn *vconn;
2688 enum ofputil_protocol usable_protocols;
2689 enum ofputil_protocol protocol;
2690 enum ofp_version version;
2694 error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols);
2696 ovs_fatal(0, "%s", error);
2699 usable_protocols = OFPUTIL_P_OF13_UP;
2700 mm.meter.meter_id = OFPM13_ALL;
2703 protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
2704 version = ofputil_protocol_to_ofp_version(protocol);
2705 transact_noreply(vconn, ofputil_encode_meter_request(version,
2707 mm.meter.meter_id));
2713 ofctl_add_meter(int argc OVS_UNUSED, char *argv[])
2715 ofctl_meter_mod__(argv[1], argv[2], OFPMC13_ADD);
2719 ofctl_mod_meter(int argc OVS_UNUSED, char *argv[])
2721 ofctl_meter_mod__(argv[1], argv[2], OFPMC13_MODIFY);
2725 ofctl_del_meters(int argc, char *argv[])
2727 ofctl_meter_mod__(argv[1], argc > 2 ? argv[2] : NULL, OFPMC13_DELETE);
2731 ofctl_dump_meters(int argc, char *argv[])
2733 ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
2734 OFPUTIL_METER_CONFIG);
2738 ofctl_meter_stats(int argc, char *argv[])
2740 ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
2741 OFPUTIL_METER_STATS);
2745 ofctl_meter_features(int argc OVS_UNUSED, char *argv[])
2747 ofctl_meter_request__(argv[1], NULL, OFPUTIL_METER_FEATURES);
2751 /* Undocumented commands for unit testing. */
2754 ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms,
2755 enum ofputil_protocol usable_protocols)
2757 enum ofputil_protocol protocol = 0;
2761 usable_s = ofputil_protocols_to_string(usable_protocols);
2762 printf("usable protocols: %s\n", usable_s);
2765 if (!(usable_protocols & allowed_protocols)) {
2766 ovs_fatal(0, "no usable protocol");
2768 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
2770 if (protocol & usable_protocols & allowed_protocols) {
2774 ovs_assert(is_pow2(protocol));
2776 printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol));
2778 for (i = 0; i < n_fms; i++) {
2779 struct ofputil_flow_mod *fm = &fms[i];
2782 msg = ofputil_encode_flow_mod(fm, protocol);
2783 ofp_print(stdout, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
2786 free(CONST_CAST(struct ofpact *, fm->ofpacts));
2790 /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints
2791 * it back to stdout. */
2793 ofctl_parse_flow(int argc OVS_UNUSED, char *argv[])
2795 enum ofputil_protocol usable_protocols;
2796 struct ofputil_flow_mod fm;
2799 error = parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, &usable_protocols);
2801 ovs_fatal(0, "%s", error);
2803 ofctl_parse_flows__(&fm, 1, usable_protocols);
2806 /* "parse-flows FILENAME": reads the named file as a sequence of flows (like
2807 * add-flows) and prints each of the flows back to stdout. */
2809 ofctl_parse_flows(int argc OVS_UNUSED, char *argv[])
2811 enum ofputil_protocol usable_protocols;
2812 struct ofputil_flow_mod *fms = NULL;
2816 error = parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms,
2819 ovs_fatal(0, "%s", error);
2821 ofctl_parse_flows__(fms, n_fms, usable_protocols);
2826 ofctl_parse_nxm__(bool oxm, enum ofp_version version)
2831 while (!ds_get_test_line(&in, stdin)) {
2832 struct ofpbuf nx_match;
2834 ovs_be64 cookie, cookie_mask;
2838 /* Convert string to nx_match. */
2839 ofpbuf_init(&nx_match, 0);
2841 match_len = oxm_match_from_string(ds_cstr(&in), &nx_match);
2843 match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
2846 /* Convert nx_match to match. */
2849 error = oxm_pull_match(&nx_match, &match);
2851 error = nx_pull_match(&nx_match, match_len, &match,
2852 &cookie, &cookie_mask);
2856 error = oxm_pull_match_loose(&nx_match, &match);
2858 error = nx_pull_match_loose(&nx_match, match_len, &match,
2859 &cookie, &cookie_mask);
2867 /* Convert match back to nx_match. */
2868 ofpbuf_uninit(&nx_match);
2869 ofpbuf_init(&nx_match, 0);
2871 match_len = oxm_put_match(&nx_match, &match, version);
2872 out = oxm_match_to_string(&nx_match, match_len);
2874 match_len = nx_put_match(&nx_match, &match,
2875 cookie, cookie_mask);
2876 out = nx_match_to_string(ofpbuf_data(&nx_match), match_len);
2882 printf("nx_pull_match() returned error %s\n",
2883 ofperr_get_name(error));
2886 ofpbuf_uninit(&nx_match);
2891 /* "parse-nxm": reads a series of NXM nx_match specifications as strings from
2892 * stdin, does some internal fussing with them, and then prints them back as
2893 * strings on stdout. */
2895 ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
2897 return ofctl_parse_nxm__(false, 0);
2900 /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as
2901 * strings from stdin, does some internal fussing with them, and then prints
2902 * them back as strings on stdout. VERSION must specify an OpenFlow version,
2903 * e.g. "OpenFlow12". */
2905 ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[])
2907 enum ofp_version version = ofputil_version_from_string(argv[1]);
2908 if (version < OFP12_VERSION) {
2909 ovs_fatal(0, "%s: not a valid version for OXM", argv[1]);
2912 return ofctl_parse_nxm__(true, version);
2916 print_differences(const char *prefix,
2917 const void *a_, size_t a_len,
2918 const void *b_, size_t b_len)
2920 const uint8_t *a = a_;
2921 const uint8_t *b = b_;
2924 for (i = 0; i < MIN(a_len, b_len); i++) {
2926 printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n",
2927 prefix, i, a[i], b[i]);
2930 for (i = a_len; i < b_len; i++) {
2931 printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]);
2933 for (i = b_len; i < a_len; i++) {
2934 printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]);
2939 ofctl_parse_ofp10_actions__(bool instructions)
2944 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
2945 struct ofpbuf of10_out;
2946 struct ofpbuf of10_in;
2947 struct ofpbuf ofpacts;
2952 /* Parse hex bytes. */
2953 ofpbuf_init(&of10_in, 0);
2954 if (ofpbuf_put_hex(&of10_in, ds_cstr(&in), NULL)[0] != '\0') {
2955 ovs_fatal(0, "Trailing garbage in hex data");
2958 /* Convert to ofpacts. */
2959 ofpbuf_init(&ofpacts, 0);
2960 size = ofpbuf_size(&of10_in);
2961 error = (instructions
2962 ? ofpacts_pull_openflow_instructions
2963 : ofpacts_pull_openflow_actions)(
2964 &of10_in, ofpbuf_size(&of10_in), OFP10_VERSION, &ofpacts);
2966 printf("bad OF1.0 actions: %s\n\n", ofperr_get_name(error));
2967 ofpbuf_uninit(&ofpacts);
2968 ofpbuf_uninit(&of10_in);
2971 ofpbuf_push_uninit(&of10_in, size);
2973 /* Print cls_rule. */
2975 ds_put_cstr(&s, "actions=");
2976 ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
2980 /* Convert back to ofp10 actions and print differences from input. */
2981 ofpbuf_init(&of10_out, 0);
2982 ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of10_out,
2985 print_differences("", ofpbuf_data(&of10_in), ofpbuf_size(&of10_in),
2986 ofpbuf_data(&of10_out), ofpbuf_size(&of10_out));
2989 ofpbuf_uninit(&ofpacts);
2990 ofpbuf_uninit(&of10_in);
2991 ofpbuf_uninit(&of10_out);
2996 /* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications
2997 * as hex bytes from stdin, converts them to ofpacts, prints them as strings
2998 * on stdout, and then converts them back to hex bytes and prints any
2999 * differences from the input. */
3001 ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3003 ofctl_parse_ofp10_actions__(false);
3006 /* "parse-ofp10-instructions": reads a series of OpenFlow 1.0 action
3007 * specifications as hex bytes from stdin, converts them to ofpacts, prints
3008 * them as strings on stdout, and then converts them back to hex bytes and
3009 * prints any differences from the input. */
3011 ofctl_parse_ofp10_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3013 ofctl_parse_ofp10_actions__(true);
3016 /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex
3017 * bytes from stdin, converts them to cls_rules, prints them as strings on
3018 * stdout, and then converts them back to hex bytes and prints any differences
3021 * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose
3022 * values are ignored in the input and will be set to zero when OVS converts
3023 * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when
3024 * it does the conversion to hex, to ensure that in fact they are ignored. */
3026 ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3033 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3034 struct ofpbuf match_in, match_expout;
3035 struct ofp10_match match_out;
3036 struct ofp10_match match_normal;
3040 /* Parse hex bytes to use for expected output. */
3042 ds_put_cstr(&expout, ds_cstr(&in));
3043 for (p = ds_cstr(&expout); *p; p++) {
3048 ofpbuf_init(&match_expout, 0);
3049 if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') {
3050 ovs_fatal(0, "Trailing garbage in hex data");
3052 if (ofpbuf_size(&match_expout) != sizeof(struct ofp10_match)) {
3053 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3054 ofpbuf_size(&match_expout), sizeof(struct ofp10_match));
3057 /* Parse hex bytes for input. */
3058 for (p = ds_cstr(&in); *p; p++) {
3060 *p = "0123456789abcdef"[random_uint32() & 0xf];
3063 ofpbuf_init(&match_in, 0);
3064 if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
3065 ovs_fatal(0, "Trailing garbage in hex data");
3067 if (ofpbuf_size(&match_in) != sizeof(struct ofp10_match)) {
3068 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3069 ofpbuf_size(&match_in), sizeof(struct ofp10_match));
3072 /* Convert to cls_rule and print. */
3073 ofputil_match_from_ofp10_match(ofpbuf_data(&match_in), &match);
3074 match_print(&match);
3076 /* Convert back to ofp10_match and print differences from input. */
3077 ofputil_match_to_ofp10_match(&match, &match_out);
3078 print_differences("", ofpbuf_data(&match_expout), ofpbuf_size(&match_expout),
3079 &match_out, sizeof match_out);
3081 /* Normalize, then convert and compare again. */
3082 ofputil_normalize_match(&match);
3083 ofputil_match_to_ofp10_match(&match, &match_normal);
3084 print_differences("normal: ", &match_out, sizeof match_out,
3085 &match_normal, sizeof match_normal);
3088 ofpbuf_uninit(&match_in);
3089 ofpbuf_uninit(&match_expout);
3092 ds_destroy(&expout);
3095 /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex
3096 * bytes from stdin, converts them to "struct match"es, prints them as strings
3097 * on stdout, and then converts them back to hex bytes and prints any
3098 * differences from the input. */
3100 ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3105 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3106 struct ofpbuf match_in;
3107 struct ofp11_match match_out;
3111 /* Parse hex bytes. */
3112 ofpbuf_init(&match_in, 0);
3113 if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
3114 ovs_fatal(0, "Trailing garbage in hex data");
3116 if (ofpbuf_size(&match_in) != sizeof(struct ofp11_match)) {
3117 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3118 ofpbuf_size(&match_in), sizeof(struct ofp11_match));
3121 /* Convert to match. */
3122 error = ofputil_match_from_ofp11_match(ofpbuf_data(&match_in), &match);
3124 printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
3125 ofpbuf_uninit(&match_in);
3130 match_print(&match);
3132 /* Convert back to ofp11_match and print differences from input. */
3133 ofputil_match_to_ofp11_match(&match, &match_out);
3135 print_differences("", ofpbuf_data(&match_in), ofpbuf_size(&match_in),
3136 &match_out, sizeof match_out);
3139 ofpbuf_uninit(&match_in);
3144 /* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications
3145 * as hex bytes from stdin, converts them to ofpacts, prints them as strings
3146 * on stdout, and then converts them back to hex bytes and prints any
3147 * differences from the input. */
3149 ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3154 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3155 struct ofpbuf of11_out;
3156 struct ofpbuf of11_in;
3157 struct ofpbuf ofpacts;
3162 /* Parse hex bytes. */
3163 ofpbuf_init(&of11_in, 0);
3164 if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') {
3165 ovs_fatal(0, "Trailing garbage in hex data");
3168 /* Convert to ofpacts. */
3169 ofpbuf_init(&ofpacts, 0);
3170 size = ofpbuf_size(&of11_in);
3171 error = ofpacts_pull_openflow_actions(&of11_in, ofpbuf_size(&of11_in),
3172 OFP11_VERSION, &ofpacts);
3174 printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
3175 ofpbuf_uninit(&ofpacts);
3176 ofpbuf_uninit(&of11_in);
3179 ofpbuf_push_uninit(&of11_in, size);
3181 /* Print cls_rule. */
3183 ds_put_cstr(&s, "actions=");
3184 ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
3188 /* Convert back to ofp11 actions and print differences from input. */
3189 ofpbuf_init(&of11_out, 0);
3190 ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of11_out,
3193 print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
3194 ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
3197 ofpbuf_uninit(&ofpacts);
3198 ofpbuf_uninit(&of11_in);
3199 ofpbuf_uninit(&of11_out);
3204 /* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction
3205 * specifications as hex bytes from stdin, converts them to ofpacts, prints
3206 * them as strings on stdout, and then converts them back to hex bytes and
3207 * prints any differences from the input. */
3209 ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3214 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3215 struct ofpbuf of11_out;
3216 struct ofpbuf of11_in;
3217 struct ofpbuf ofpacts;
3221 const char *table_id;
3224 /* Parse table_id separated with the follow-up instructions by ",", if
3226 instructions = ds_cstr(&in);
3228 if (strstr(instructions, ",")) {
3229 table_id = strsep(&instructions, ",");
3232 /* Parse hex bytes. */
3233 ofpbuf_init(&of11_in, 0);
3234 if (ofpbuf_put_hex(&of11_in, instructions, NULL)[0] != '\0') {
3235 ovs_fatal(0, "Trailing garbage in hex data");
3238 /* Convert to ofpacts. */
3239 ofpbuf_init(&ofpacts, 0);
3240 size = ofpbuf_size(&of11_in);
3241 error = ofpacts_pull_openflow_instructions(&of11_in, ofpbuf_size(&of11_in),
3242 OFP11_VERSION, &ofpacts);
3244 /* Verify actions, enforce consistency. */
3246 memset(&flow, 0, sizeof flow);
3247 error = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
3249 table_id ? atoi(table_id) : 0,
3250 255, OFPUTIL_P_OF11_STD);
3253 printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error));
3254 ofpbuf_uninit(&ofpacts);
3255 ofpbuf_uninit(&of11_in);
3258 ofpbuf_push_uninit(&of11_in, size);
3260 /* Print cls_rule. */
3262 ds_put_cstr(&s, "actions=");
3263 ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
3267 /* Convert back to ofp11 instructions and print differences from
3269 ofpbuf_init(&of11_out, 0);
3270 ofpacts_put_openflow_instructions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
3271 &of11_out, OFP13_VERSION);
3273 print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
3274 ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
3277 ofpbuf_uninit(&ofpacts);
3278 ofpbuf_uninit(&of11_in);
3279 ofpbuf_uninit(&of11_out);
3284 /* "parse-pcap PCAP": read packets from PCAP and print their flows. */
3286 ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
3290 pcap = ovs_pcap_open(argv[1], "rb");
3292 ovs_fatal(errno, "%s: open failed", argv[1]);
3296 struct ofpbuf *packet;
3298 const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
3301 error = ovs_pcap_read(pcap, &packet, NULL);
3305 ovs_fatal(error, "%s: read failed", argv[1]);
3308 flow_extract(packet, &md, &flow);
3309 flow_print(stdout, &flow);
3311 ofpbuf_delete(packet);
3315 /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and
3316 * mask values to and from various formats and prints the results. */
3318 ofctl_check_vlan(int argc OVS_UNUSED, char *argv[])
3323 struct ofputil_flow_mod fm;
3326 struct match nxm_match;
3330 struct ofp10_match of10_raw;
3331 struct match of10_match;
3333 struct ofp11_match of11_raw;
3334 struct match of11_match;
3339 enum ofputil_protocol usable_protocols; /* Unused for now. */
3341 match_init_catchall(&match);
3342 match.flow.vlan_tci = htons(strtoul(argv[1], NULL, 16));
3343 match.wc.masks.vlan_tci = htons(strtoul(argv[2], NULL, 16));
3345 /* Convert to and from string. */
3346 string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY);
3347 printf("%s -> ", string_s);
3349 error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols);
3351 ovs_fatal(0, "%s", error_s);
3353 printf("%04"PRIx16"/%04"PRIx16"\n",
3354 ntohs(fm.match.flow.vlan_tci),
3355 ntohs(fm.match.wc.masks.vlan_tci));
3358 /* Convert to and from NXM. */
3359 ofpbuf_init(&nxm, 0);
3360 nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0));
3361 nxm_s = nx_match_to_string(ofpbuf_data(&nxm), nxm_match_len);
3362 error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL);
3363 printf("NXM: %s -> ", nxm_s);
3365 printf("%s\n", ofperr_to_string(error));
3367 printf("%04"PRIx16"/%04"PRIx16"\n",
3368 ntohs(nxm_match.flow.vlan_tci),
3369 ntohs(nxm_match.wc.masks.vlan_tci));
3372 ofpbuf_uninit(&nxm);
3374 /* Convert to and from OXM. */
3375 ofpbuf_init(&nxm, 0);
3376 nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION);
3377 nxm_s = oxm_match_to_string(&nxm, nxm_match_len);
3378 error = oxm_pull_match(&nxm, &nxm_match);
3379 printf("OXM: %s -> ", nxm_s);
3381 printf("%s\n", ofperr_to_string(error));
3383 uint16_t vid = ntohs(nxm_match.flow.vlan_tci) &
3384 (VLAN_VID_MASK | VLAN_CFI);
3385 uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) &
3386 (VLAN_VID_MASK | VLAN_CFI);
3388 printf("%04"PRIx16"/%04"PRIx16",", vid, mask);
3389 if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) {
3390 printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci));
3396 ofpbuf_uninit(&nxm);
3398 /* Convert to and from OpenFlow 1.0. */
3399 ofputil_match_to_ofp10_match(&match, &of10_raw);
3400 ofputil_match_from_ofp10_match(&of10_raw, &of10_match);
3401 printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
3402 ntohs(of10_raw.dl_vlan),
3403 (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0,
3404 of10_raw.dl_vlan_pcp,
3405 (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0,
3406 ntohs(of10_match.flow.vlan_tci),
3407 ntohs(of10_match.wc.masks.vlan_tci));
3409 /* Convert to and from OpenFlow 1.1. */
3410 ofputil_match_to_ofp11_match(&match, &of11_raw);
3411 ofputil_match_from_ofp11_match(&of11_raw, &of11_match);
3412 printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
3413 ntohs(of11_raw.dl_vlan),
3414 (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0,
3415 of11_raw.dl_vlan_pcp,
3416 (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0,
3417 ntohs(of11_match.flow.vlan_tci),
3418 ntohs(of11_match.wc.masks.vlan_tci));
3421 /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow
3424 ofctl_print_error(int argc OVS_UNUSED, char *argv[])
3429 error = ofperr_from_name(argv[1]);
3431 ovs_fatal(0, "unknown error \"%s\"", argv[1]);
3434 for (version = 0; version <= UINT8_MAX; version++) {
3435 const char *name = ofperr_domain_get_name(version);
3437 int vendor = ofperr_get_vendor(error, version);
3438 int type = ofperr_get_type(error, version);
3439 int code = ofperr_get_code(error, version);
3441 if (vendor != -1 || type != -1 || code != -1) {
3442 printf("%s: vendor %#x, type %d, code %d\n",
3443 name, vendor, type, code);
3449 /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the
3450 * error named ENUM and prints the error reply in hex. */
3452 ofctl_encode_error_reply(int argc OVS_UNUSED, char *argv[])
3454 const struct ofp_header *oh;
3455 struct ofpbuf request, *reply;
3458 error = ofperr_from_name(argv[1]);
3460 ovs_fatal(0, "unknown error \"%s\"", argv[1]);
3463 ofpbuf_init(&request, 0);
3464 if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') {
3465 ovs_fatal(0, "Trailing garbage in hex data");
3467 if (ofpbuf_size(&request) < sizeof(struct ofp_header)) {
3468 ovs_fatal(0, "Request too short");
3471 oh = ofpbuf_data(&request);
3472 if (ofpbuf_size(&request) != ntohs(oh->length)) {
3473 ovs_fatal(0, "Request size inconsistent");
3476 reply = ofperr_encode_reply(error, ofpbuf_data(&request));
3477 ofpbuf_uninit(&request);
3479 ovs_hex_dump(stdout, ofpbuf_data(reply), ofpbuf_size(reply), 0, false);
3480 ofpbuf_delete(reply);
3483 /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into
3484 * binary data, interpreting them as an OpenFlow message, and prints the
3485 * OpenFlow message on stdout, at VERBOSITY (level 2 by default).
3487 * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where
3488 * HEXSTRING_FILE contains the HEXSTRING. */
3490 ofctl_ofp_print(int argc, char *argv[])
3492 struct ofpbuf packet;
3499 if (!strcmp(argv[argc-1], "-")) {
3500 if (ds_get_line(&line, stdin)) {
3501 VLOG_FATAL("Failed to read stdin");
3504 buffer = line.string;
3505 verbosity = argc > 2 ? atoi(argv[1]) : verbosity;
3506 } else if (argc > 2) {
3508 verbosity = atoi(argv[2]);
3513 ofpbuf_init(&packet, strlen(buffer) / 2);
3514 if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') {
3515 ovs_fatal(0, "trailing garbage following hex bytes");
3517 ofp_print(stdout, ofpbuf_data(&packet), ofpbuf_size(&packet), verbosity);
3518 ofpbuf_uninit(&packet);
3522 /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message
3523 * and dumps each message in hex. */
3525 ofctl_encode_hello(int argc OVS_UNUSED, char *argv[])
3527 uint32_t bitmap = strtol(argv[1], NULL, 0);
3528 struct ofpbuf *hello;
3530 hello = ofputil_encode_hello(bitmap);
3531 ovs_hex_dump(stdout, ofpbuf_data(hello), ofpbuf_size(hello), 0, false);
3532 ofp_print(stdout, ofpbuf_data(hello), ofpbuf_size(hello), verbosity);
3533 ofpbuf_delete(hello);
3536 static const struct command all_commands[] = {
3537 { "show", 1, 1, ofctl_show },
3538 { "monitor", 1, 3, ofctl_monitor },
3539 { "snoop", 1, 1, ofctl_snoop },
3540 { "dump-desc", 1, 1, ofctl_dump_desc },
3541 { "dump-tables", 1, 1, ofctl_dump_tables },
3542 { "dump-table-features", 1, 1, ofctl_dump_table_features },
3543 { "dump-flows", 1, 2, ofctl_dump_flows },
3544 { "dump-aggregate", 1, 2, ofctl_dump_aggregate },
3545 { "queue-stats", 1, 3, ofctl_queue_stats },
3546 { "queue-get-config", 2, 2, ofctl_queue_get_config },
3547 { "add-flow", 2, 2, ofctl_add_flow },
3548 { "add-flows", 2, 2, ofctl_add_flows },
3549 { "mod-flows", 2, 2, ofctl_mod_flows },
3550 { "del-flows", 1, 2, ofctl_del_flows },
3551 { "replace-flows", 2, 2, ofctl_replace_flows },
3552 { "diff-flows", 2, 2, ofctl_diff_flows },
3553 { "add-meter", 2, 2, ofctl_add_meter },
3554 { "mod-meter", 2, 2, ofctl_mod_meter },
3555 { "del-meter", 2, 2, ofctl_del_meters },
3556 { "del-meters", 1, 1, ofctl_del_meters },
3557 { "dump-meter", 2, 2, ofctl_dump_meters },
3558 { "dump-meters", 1, 1, ofctl_dump_meters },
3559 { "meter-stats", 1, 2, ofctl_meter_stats },
3560 { "meter-features", 1, 1, ofctl_meter_features },
3561 { "packet-out", 4, INT_MAX, ofctl_packet_out },
3562 { "dump-ports", 1, 2, ofctl_dump_ports },
3563 { "dump-ports-desc", 1, 2, ofctl_dump_ports_desc },
3564 { "mod-port", 3, 3, ofctl_mod_port },
3565 { "mod-table", 3, 3, ofctl_mod_table },
3566 { "get-frags", 1, 1, ofctl_get_frags },
3567 { "set-frags", 2, 2, ofctl_set_frags },
3568 { "probe", 1, 1, ofctl_probe },
3569 { "ping", 1, 2, ofctl_ping },
3570 { "benchmark", 3, 3, ofctl_benchmark },
3572 { "ofp-parse", 1, 1, ofctl_ofp_parse },
3573 { "ofp-parse-pcap", 1, INT_MAX, ofctl_ofp_parse_pcap },
3575 { "add-group", 1, 2, ofctl_add_group },
3576 { "add-groups", 1, 2, ofctl_add_groups },
3577 { "mod-group", 1, 2, ofctl_mod_group },
3578 { "del-groups", 1, 2, ofctl_del_groups },
3579 { "dump-groups", 1, 2, ofctl_dump_group_desc },
3580 { "dump-group-stats", 1, 2, ofctl_dump_group_stats },
3581 { "dump-group-features", 1, 1, ofctl_dump_group_features },
3582 { "help", 0, INT_MAX, ofctl_help },
3584 /* Undocumented commands for testing. */
3585 { "parse-flow", 1, 1, ofctl_parse_flow },
3586 { "parse-flows", 1, 1, ofctl_parse_flows },
3587 { "parse-nx-match", 0, 0, ofctl_parse_nxm },
3588 { "parse-nxm", 0, 0, ofctl_parse_nxm },
3589 { "parse-oxm", 1, 1, ofctl_parse_oxm },
3590 { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions },
3591 { "parse-ofp10-instructions", 0, 0, ofctl_parse_ofp10_instructions },
3592 { "parse-ofp10-match", 0, 0, ofctl_parse_ofp10_match },
3593 { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match },
3594 { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions },
3595 { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions },
3596 { "parse-pcap", 1, 1, ofctl_parse_pcap },
3597 { "check-vlan", 2, 2, ofctl_check_vlan },
3598 { "print-error", 1, 1, ofctl_print_error },
3599 { "encode-error-reply", 2, 2, ofctl_encode_error_reply },
3600 { "ofp-print", 1, 2, ofctl_ofp_print },
3601 { "encode-hello", 1, 1, ofctl_encode_hello },
3603 { NULL, 0, 0, NULL },
3606 static const struct command *get_all_commands(void)
3608 return all_commands;